PackageManagerService.java revision 14062f2382388a3a15802bf8b8b24d1f41d548c6
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.DELETE_PACKAGES; 20import static android.Manifest.permission.INSTALL_PACKAGES; 21import static android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS; 22import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 23import static android.Manifest.permission.REQUEST_DELETE_PACKAGES; 24import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 25import static android.Manifest.permission.WRITE_MEDIA_STORAGE; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 27import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 28import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 29import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 30import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 31import static android.content.pm.PackageManager.DELETE_KEEP_DATA; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 33import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 34import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 35import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 36import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 37import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 38import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 39import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 40import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 41import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 42import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 43import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 44import static android.content.pm.PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID; 45import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 46import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 47import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 48import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 49import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 50import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 51import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 52import static android.content.pm.PackageManager.INSTALL_FAILED_SANDBOX_VERSION_DOWNGRADE; 53import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 54import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 55import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 56import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 57import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 58import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 59import static android.content.pm.PackageManager.INSTALL_INTERNAL; 60import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 61import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_MANIFEST_MALFORMED; 62import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 63import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 64import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 65import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 66import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 67import static android.content.pm.PackageManager.MATCH_ALL; 68import static android.content.pm.PackageManager.MATCH_ANY_USER; 69import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 70import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_AWARE; 71import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE; 72import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 73import static android.content.pm.PackageManager.MATCH_FACTORY_ONLY; 74import static android.content.pm.PackageManager.MATCH_KNOWN_PACKAGES; 75import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 76import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 77import static android.content.pm.PackageManager.MOVE_FAILED_3RD_PARTY_NOT_ALLOWED_ON_INTERNAL; 78import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 79import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 80import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 81import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 82import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 83import static android.content.pm.PackageManager.PERMISSION_DENIED; 84import static android.content.pm.PackageManager.PERMISSION_GRANTED; 85import static android.content.pm.PackageParser.PARSE_IS_PRIVILEGED; 86import static android.content.pm.PackageParser.isApkFile; 87import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 88import static android.system.OsConstants.O_CREAT; 89import static android.system.OsConstants.O_RDWR; 90import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 91import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 92import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 93import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 94import static com.android.internal.util.ArrayUtils.appendInt; 95import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 96import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 97import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 98import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 99import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 100import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason; 101import static com.android.server.pm.PackageManagerServiceCompilerMapping.getDefaultCompilerFilter; 102import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 103import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 104import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 105import static dalvik.system.DexFile.getNonProfileGuidedCompilerFilter; 106 107import android.Manifest; 108import android.annotation.IntDef; 109import android.annotation.NonNull; 110import android.annotation.Nullable; 111import android.app.ActivityManager; 112import android.app.AppOpsManager; 113import android.app.IActivityManager; 114import android.app.ResourcesManager; 115import android.app.admin.IDevicePolicyManager; 116import android.app.admin.SecurityLog; 117import android.app.backup.IBackupManager; 118import android.content.BroadcastReceiver; 119import android.content.ComponentName; 120import android.content.ContentResolver; 121import android.content.Context; 122import android.content.IIntentReceiver; 123import android.content.Intent; 124import android.content.IntentFilter; 125import android.content.IntentSender; 126import android.content.IntentSender.SendIntentException; 127import android.content.ServiceConnection; 128import android.content.pm.ActivityInfo; 129import android.content.pm.ApplicationInfo; 130import android.content.pm.AppsQueryHelper; 131import android.content.pm.AuxiliaryResolveInfo; 132import android.content.pm.ChangedPackages; 133import android.content.pm.FallbackCategoryProvider; 134import android.content.pm.FeatureInfo; 135import android.content.pm.IOnPermissionsChangeListener; 136import android.content.pm.IPackageDataObserver; 137import android.content.pm.IPackageDeleteObserver; 138import android.content.pm.IPackageDeleteObserver2; 139import android.content.pm.IPackageInstallObserver2; 140import android.content.pm.IPackageInstaller; 141import android.content.pm.IPackageManager; 142import android.content.pm.IPackageMoveObserver; 143import android.content.pm.IPackageStatsObserver; 144import android.content.pm.InstantAppInfo; 145import android.content.pm.InstantAppRequest; 146import android.content.pm.InstantAppResolveInfo; 147import android.content.pm.InstrumentationInfo; 148import android.content.pm.IntentFilterVerificationInfo; 149import android.content.pm.KeySet; 150import android.content.pm.PackageCleanItem; 151import android.content.pm.PackageInfo; 152import android.content.pm.PackageInfoLite; 153import android.content.pm.PackageInstaller; 154import android.content.pm.PackageManager; 155import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 156import android.content.pm.PackageManagerInternal; 157import android.content.pm.PackageParser; 158import android.content.pm.PackageParser.ActivityIntentInfo; 159import android.content.pm.PackageParser.PackageLite; 160import android.content.pm.PackageParser.PackageParserException; 161import android.content.pm.PackageStats; 162import android.content.pm.PackageUserState; 163import android.content.pm.ParceledListSlice; 164import android.content.pm.PermissionGroupInfo; 165import android.content.pm.PermissionInfo; 166import android.content.pm.ProviderInfo; 167import android.content.pm.ResolveInfo; 168import android.content.pm.ServiceInfo; 169import android.content.pm.SharedLibraryInfo; 170import android.content.pm.Signature; 171import android.content.pm.UserInfo; 172import android.content.pm.VerifierDeviceIdentity; 173import android.content.pm.VerifierInfo; 174import android.content.pm.VersionedPackage; 175import android.content.res.Resources; 176import android.database.ContentObserver; 177import android.graphics.Bitmap; 178import android.hardware.display.DisplayManager; 179import android.net.Uri; 180import android.os.Binder; 181import android.os.Build; 182import android.os.Bundle; 183import android.os.Debug; 184import android.os.Environment; 185import android.os.Environment.UserEnvironment; 186import android.os.FileUtils; 187import android.os.Handler; 188import android.os.IBinder; 189import android.os.Looper; 190import android.os.Message; 191import android.os.Parcel; 192import android.os.ParcelFileDescriptor; 193import android.os.PatternMatcher; 194import android.os.Process; 195import android.os.RemoteCallbackList; 196import android.os.RemoteException; 197import android.os.ResultReceiver; 198import android.os.SELinux; 199import android.os.ServiceManager; 200import android.os.ShellCallback; 201import android.os.SystemClock; 202import android.os.SystemProperties; 203import android.os.Trace; 204import android.os.UserHandle; 205import android.os.UserManager; 206import android.os.UserManagerInternal; 207import android.os.storage.IStorageManager; 208import android.os.storage.StorageEventListener; 209import android.os.storage.StorageManager; 210import android.os.storage.StorageManagerInternal; 211import android.os.storage.VolumeInfo; 212import android.os.storage.VolumeRecord; 213import android.provider.Settings.Global; 214import android.provider.Settings.Secure; 215import android.security.KeyStore; 216import android.security.SystemKeyStore; 217import android.service.pm.PackageServiceDumpProto; 218import android.system.ErrnoException; 219import android.system.Os; 220import android.text.TextUtils; 221import android.text.format.DateUtils; 222import android.util.ArrayMap; 223import android.util.ArraySet; 224import android.util.Base64; 225import android.util.BootTimingsTraceLog; 226import android.util.DisplayMetrics; 227import android.util.EventLog; 228import android.util.ExceptionUtils; 229import android.util.Log; 230import android.util.LogPrinter; 231import android.util.MathUtils; 232import android.util.PackageUtils; 233import android.util.Pair; 234import android.util.PrintStreamPrinter; 235import android.util.Slog; 236import android.util.SparseArray; 237import android.util.SparseBooleanArray; 238import android.util.SparseIntArray; 239import android.util.Xml; 240import android.util.jar.StrictJarFile; 241import android.util.proto.ProtoOutputStream; 242import android.view.Display; 243 244import com.android.internal.R; 245import com.android.internal.annotations.GuardedBy; 246import com.android.internal.app.IMediaContainerService; 247import com.android.internal.app.ResolverActivity; 248import com.android.internal.content.NativeLibraryHelper; 249import com.android.internal.content.PackageHelper; 250import com.android.internal.logging.MetricsLogger; 251import com.android.internal.logging.nano.MetricsProto.MetricsEvent; 252import com.android.internal.os.IParcelFileDescriptorFactory; 253import com.android.internal.os.RoSystemProperties; 254import com.android.internal.os.SomeArgs; 255import com.android.internal.os.Zygote; 256import com.android.internal.telephony.CarrierAppUtils; 257import com.android.internal.util.ArrayUtils; 258import com.android.internal.util.ConcurrentUtils; 259import com.android.internal.util.DumpUtils; 260import com.android.internal.util.FastPrintWriter; 261import com.android.internal.util.FastXmlSerializer; 262import com.android.internal.util.IndentingPrintWriter; 263import com.android.internal.util.Preconditions; 264import com.android.internal.util.XmlUtils; 265import com.android.server.AttributeCache; 266import com.android.server.DeviceIdleController; 267import com.android.server.EventLogTags; 268import com.android.server.FgThread; 269import com.android.server.IntentResolver; 270import com.android.server.LocalServices; 271import com.android.server.LockGuard; 272import com.android.server.ServiceThread; 273import com.android.server.SystemConfig; 274import com.android.server.SystemServerInitThreadPool; 275import com.android.server.Watchdog; 276import com.android.server.net.NetworkPolicyManagerInternal; 277import com.android.server.pm.Installer.InstallerException; 278import com.android.server.pm.PermissionsState.PermissionState; 279import com.android.server.pm.Settings.DatabaseVersion; 280import com.android.server.pm.Settings.VersionInfo; 281import com.android.server.pm.dex.DexManager; 282import com.android.server.storage.DeviceStorageMonitorInternal; 283 284import dalvik.system.CloseGuard; 285import dalvik.system.DexFile; 286import dalvik.system.VMRuntime; 287 288import libcore.io.IoUtils; 289import libcore.util.EmptyArray; 290 291import org.xmlpull.v1.XmlPullParser; 292import org.xmlpull.v1.XmlPullParserException; 293import org.xmlpull.v1.XmlSerializer; 294 295import java.io.BufferedOutputStream; 296import java.io.BufferedReader; 297import java.io.ByteArrayInputStream; 298import java.io.ByteArrayOutputStream; 299import java.io.File; 300import java.io.FileDescriptor; 301import java.io.FileInputStream; 302import java.io.FileOutputStream; 303import java.io.FileReader; 304import java.io.FilenameFilter; 305import java.io.IOException; 306import java.io.PrintWriter; 307import java.lang.annotation.Retention; 308import java.lang.annotation.RetentionPolicy; 309import java.nio.charset.StandardCharsets; 310import java.security.DigestInputStream; 311import java.security.MessageDigest; 312import java.security.NoSuchAlgorithmException; 313import java.security.PublicKey; 314import java.security.SecureRandom; 315import java.security.cert.Certificate; 316import java.security.cert.CertificateEncodingException; 317import java.security.cert.CertificateException; 318import java.text.SimpleDateFormat; 319import java.util.ArrayList; 320import java.util.Arrays; 321import java.util.Collection; 322import java.util.Collections; 323import java.util.Comparator; 324import java.util.Date; 325import java.util.HashMap; 326import java.util.HashSet; 327import java.util.Iterator; 328import java.util.LinkedHashSet; 329import java.util.List; 330import java.util.Map; 331import java.util.Objects; 332import java.util.Set; 333import java.util.concurrent.CountDownLatch; 334import java.util.concurrent.Future; 335import java.util.concurrent.TimeUnit; 336import java.util.concurrent.atomic.AtomicBoolean; 337import java.util.concurrent.atomic.AtomicInteger; 338 339/** 340 * Keep track of all those APKs everywhere. 341 * <p> 342 * Internally there are two important locks: 343 * <ul> 344 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 345 * and other related state. It is a fine-grained lock that should only be held 346 * momentarily, as it's one of the most contended locks in the system. 347 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 348 * operations typically involve heavy lifting of application data on disk. Since 349 * {@code installd} is single-threaded, and it's operations can often be slow, 350 * this lock should never be acquired while already holding {@link #mPackages}. 351 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 352 * holding {@link #mInstallLock}. 353 * </ul> 354 * Many internal methods rely on the caller to hold the appropriate locks, and 355 * this contract is expressed through method name suffixes: 356 * <ul> 357 * <li>fooLI(): the caller must hold {@link #mInstallLock} 358 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 359 * being modified must be frozen 360 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 361 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 362 * </ul> 363 * <p> 364 * Because this class is very central to the platform's security; please run all 365 * CTS and unit tests whenever making modifications: 366 * 367 * <pre> 368 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 369 * $ cts-tradefed run commandAndExit cts -m CtsAppSecurityHostTestCases 370 * </pre> 371 */ 372public class PackageManagerService extends IPackageManager.Stub 373 implements PackageSender { 374 static final String TAG = "PackageManager"; 375 static final boolean DEBUG_SETTINGS = false; 376 static final boolean DEBUG_PREFERRED = false; 377 static final boolean DEBUG_UPGRADE = false; 378 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 379 private static final boolean DEBUG_BACKUP = false; 380 private static final boolean DEBUG_INSTALL = false; 381 private static final boolean DEBUG_REMOVE = false; 382 private static final boolean DEBUG_BROADCASTS = false; 383 private static final boolean DEBUG_SHOW_INFO = false; 384 private static final boolean DEBUG_PACKAGE_INFO = false; 385 private static final boolean DEBUG_INTENT_MATCHING = false; 386 private static final boolean DEBUG_PACKAGE_SCANNING = false; 387 private static final boolean DEBUG_VERIFY = false; 388 private static final boolean DEBUG_FILTERS = false; 389 private static final boolean DEBUG_PERMISSIONS = false; 390 private static final boolean DEBUG_SHARED_LIBRARIES = false; 391 392 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 393 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 394 // user, but by default initialize to this. 395 public static final boolean DEBUG_DEXOPT = false; 396 397 private static final boolean DEBUG_ABI_SELECTION = false; 398 private static final boolean DEBUG_EPHEMERAL = Build.IS_DEBUGGABLE; 399 private static final boolean DEBUG_TRIAGED_MISSING = false; 400 private static final boolean DEBUG_APP_DATA = false; 401 402 /** REMOVE. According to Svet, this was only used to reset permissions during development. */ 403 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 404 405 private static final boolean HIDE_EPHEMERAL_APIS = false; 406 407 private static final boolean ENABLE_FREE_CACHE_V2 = 408 SystemProperties.getBoolean("fw.free_cache_v2", true); 409 410 private static final int RADIO_UID = Process.PHONE_UID; 411 private static final int LOG_UID = Process.LOG_UID; 412 private static final int NFC_UID = Process.NFC_UID; 413 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 414 private static final int SHELL_UID = Process.SHELL_UID; 415 416 // Cap the size of permission trees that 3rd party apps can define 417 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 418 419 // Suffix used during package installation when copying/moving 420 // package apks to install directory. 421 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 422 423 static final int SCAN_NO_DEX = 1<<1; 424 static final int SCAN_FORCE_DEX = 1<<2; 425 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 426 static final int SCAN_NEW_INSTALL = 1<<4; 427 static final int SCAN_UPDATE_TIME = 1<<5; 428 static final int SCAN_BOOTING = 1<<6; 429 static final int SCAN_TRUSTED_OVERLAY = 1<<7; 430 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<8; 431 static final int SCAN_REPLACING = 1<<9; 432 static final int SCAN_REQUIRE_KNOWN = 1<<10; 433 static final int SCAN_MOVE = 1<<11; 434 static final int SCAN_INITIAL = 1<<12; 435 static final int SCAN_CHECK_ONLY = 1<<13; 436 static final int SCAN_DONT_KILL_APP = 1<<14; 437 static final int SCAN_IGNORE_FROZEN = 1<<15; 438 static final int SCAN_FIRST_BOOT_OR_UPGRADE = 1<<16; 439 static final int SCAN_AS_INSTANT_APP = 1<<17; 440 static final int SCAN_AS_FULL_APP = 1<<18; 441 /** Should not be with the scan flags */ 442 static final int FLAGS_REMOVE_CHATTY = 1<<31; 443 444 private static final String STATIC_SHARED_LIB_DELIMITER = "_"; 445 446 private static final int[] EMPTY_INT_ARRAY = new int[0]; 447 448 private static final int TYPE_UNKNOWN = 0; 449 private static final int TYPE_ACTIVITY = 1; 450 private static final int TYPE_RECEIVER = 2; 451 private static final int TYPE_SERVICE = 3; 452 private static final int TYPE_PROVIDER = 4; 453 @IntDef(prefix = { "TYPE_" }, value = { 454 TYPE_UNKNOWN, 455 TYPE_ACTIVITY, 456 TYPE_RECEIVER, 457 TYPE_SERVICE, 458 TYPE_PROVIDER, 459 }) 460 @Retention(RetentionPolicy.SOURCE) 461 public @interface ComponentType {} 462 463 /** 464 * Timeout (in milliseconds) after which the watchdog should declare that 465 * our handler thread is wedged. The usual default for such things is one 466 * minute but we sometimes do very lengthy I/O operations on this thread, 467 * such as installing multi-gigabyte applications, so ours needs to be longer. 468 */ 469 static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 470 471 /** 472 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 473 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 474 * settings entry if available, otherwise we use the hardcoded default. If it's been 475 * more than this long since the last fstrim, we force one during the boot sequence. 476 * 477 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 478 * one gets run at the next available charging+idle time. This final mandatory 479 * no-fstrim check kicks in only of the other scheduling criteria is never met. 480 */ 481 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 482 483 /** 484 * Whether verification is enabled by default. 485 */ 486 private static final boolean DEFAULT_VERIFY_ENABLE = true; 487 488 /** 489 * The default maximum time to wait for the verification agent to return in 490 * milliseconds. 491 */ 492 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 493 494 /** 495 * The default response for package verification timeout. 496 * 497 * This can be either PackageManager.VERIFICATION_ALLOW or 498 * PackageManager.VERIFICATION_REJECT. 499 */ 500 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 501 502 static final String PLATFORM_PACKAGE_NAME = "android"; 503 504 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 505 506 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 507 DEFAULT_CONTAINER_PACKAGE, 508 "com.android.defcontainer.DefaultContainerService"); 509 510 private static final String KILL_APP_REASON_GIDS_CHANGED = 511 "permission grant or revoke changed gids"; 512 513 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 514 "permissions revoked"; 515 516 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 517 518 private static final String PACKAGE_SCHEME = "package"; 519 520 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 521 522 /** Permission grant: not grant the permission. */ 523 private static final int GRANT_DENIED = 1; 524 525 /** Permission grant: grant the permission as an install permission. */ 526 private static final int GRANT_INSTALL = 2; 527 528 /** Permission grant: grant the permission as a runtime one. */ 529 private static final int GRANT_RUNTIME = 3; 530 531 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 532 private static final int GRANT_UPGRADE = 4; 533 534 /** Canonical intent used to identify what counts as a "web browser" app */ 535 private static final Intent sBrowserIntent; 536 static { 537 sBrowserIntent = new Intent(); 538 sBrowserIntent.setAction(Intent.ACTION_VIEW); 539 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 540 sBrowserIntent.setData(Uri.parse("http:")); 541 } 542 543 /** 544 * The set of all protected actions [i.e. those actions for which a high priority 545 * intent filter is disallowed]. 546 */ 547 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 548 static { 549 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 550 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 551 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 552 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 553 } 554 555 // Compilation reasons. 556 public static final int REASON_FIRST_BOOT = 0; 557 public static final int REASON_BOOT = 1; 558 public static final int REASON_INSTALL = 2; 559 public static final int REASON_BACKGROUND_DEXOPT = 3; 560 public static final int REASON_AB_OTA = 4; 561 562 public static final int REASON_LAST = REASON_AB_OTA; 563 564 /** All dangerous permission names in the same order as the events in MetricsEvent */ 565 private static final List<String> ALL_DANGEROUS_PERMISSIONS = Arrays.asList( 566 Manifest.permission.READ_CALENDAR, 567 Manifest.permission.WRITE_CALENDAR, 568 Manifest.permission.CAMERA, 569 Manifest.permission.READ_CONTACTS, 570 Manifest.permission.WRITE_CONTACTS, 571 Manifest.permission.GET_ACCOUNTS, 572 Manifest.permission.ACCESS_FINE_LOCATION, 573 Manifest.permission.ACCESS_COARSE_LOCATION, 574 Manifest.permission.RECORD_AUDIO, 575 Manifest.permission.READ_PHONE_STATE, 576 Manifest.permission.CALL_PHONE, 577 Manifest.permission.READ_CALL_LOG, 578 Manifest.permission.WRITE_CALL_LOG, 579 Manifest.permission.ADD_VOICEMAIL, 580 Manifest.permission.USE_SIP, 581 Manifest.permission.PROCESS_OUTGOING_CALLS, 582 Manifest.permission.READ_CELL_BROADCASTS, 583 Manifest.permission.BODY_SENSORS, 584 Manifest.permission.SEND_SMS, 585 Manifest.permission.RECEIVE_SMS, 586 Manifest.permission.READ_SMS, 587 Manifest.permission.RECEIVE_WAP_PUSH, 588 Manifest.permission.RECEIVE_MMS, 589 Manifest.permission.READ_EXTERNAL_STORAGE, 590 Manifest.permission.WRITE_EXTERNAL_STORAGE, 591 Manifest.permission.READ_PHONE_NUMBERS, 592 Manifest.permission.ANSWER_PHONE_CALLS); 593 594 595 /** 596 * Version number for the package parser cache. Increment this whenever the format or 597 * extent of cached data changes. See {@code PackageParser#setCacheDir}. 598 */ 599 private static final String PACKAGE_PARSER_CACHE_VERSION = "1"; 600 601 /** 602 * Whether the package parser cache is enabled. 603 */ 604 private static final boolean DEFAULT_PACKAGE_PARSER_CACHE_ENABLED = true; 605 606 final ServiceThread mHandlerThread; 607 608 final PackageHandler mHandler; 609 610 private final ProcessLoggingHandler mProcessLoggingHandler; 611 612 /** 613 * Messages for {@link #mHandler} that need to wait for system ready before 614 * being dispatched. 615 */ 616 private ArrayList<Message> mPostSystemReadyMessages; 617 618 final int mSdkVersion = Build.VERSION.SDK_INT; 619 620 final Context mContext; 621 final boolean mFactoryTest; 622 final boolean mOnlyCore; 623 final DisplayMetrics mMetrics; 624 final int mDefParseFlags; 625 final String[] mSeparateProcesses; 626 final boolean mIsUpgrade; 627 final boolean mIsPreNUpgrade; 628 final boolean mIsPreNMR1Upgrade; 629 630 // Have we told the Activity Manager to whitelist the default container service by uid yet? 631 @GuardedBy("mPackages") 632 boolean mDefaultContainerWhitelisted = false; 633 634 @GuardedBy("mPackages") 635 private boolean mDexOptDialogShown; 636 637 /** The location for ASEC container files on internal storage. */ 638 final String mAsecInternalPath; 639 640 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 641 // LOCK HELD. Can be called with mInstallLock held. 642 @GuardedBy("mInstallLock") 643 final Installer mInstaller; 644 645 /** Directory where installed third-party apps stored */ 646 final File mAppInstallDir; 647 648 /** 649 * Directory to which applications installed internally have their 650 * 32 bit native libraries copied. 651 */ 652 private File mAppLib32InstallDir; 653 654 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 655 // apps. 656 final File mDrmAppPrivateInstallDir; 657 658 // ---------------------------------------------------------------- 659 660 // Lock for state used when installing and doing other long running 661 // operations. Methods that must be called with this lock held have 662 // the suffix "LI". 663 final Object mInstallLock = new Object(); 664 665 // ---------------------------------------------------------------- 666 667 // Keys are String (package name), values are Package. This also serves 668 // as the lock for the global state. Methods that must be called with 669 // this lock held have the prefix "LP". 670 @GuardedBy("mPackages") 671 final ArrayMap<String, PackageParser.Package> mPackages = 672 new ArrayMap<String, PackageParser.Package>(); 673 674 final ArrayMap<String, Set<String>> mKnownCodebase = 675 new ArrayMap<String, Set<String>>(); 676 677 // Keys are isolated uids and values are the uid of the application 678 // that created the isolated proccess. 679 @GuardedBy("mPackages") 680 final SparseIntArray mIsolatedOwners = new SparseIntArray(); 681 682 /** 683 * Tracks new system packages [received in an OTA] that we expect to 684 * find updated user-installed versions. Keys are package name, values 685 * are package location. 686 */ 687 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 688 /** 689 * Tracks high priority intent filters for protected actions. During boot, certain 690 * filter actions are protected and should never be allowed to have a high priority 691 * intent filter for them. However, there is one, and only one exception -- the 692 * setup wizard. It must be able to define a high priority intent filter for these 693 * actions to ensure there are no escapes from the wizard. We need to delay processing 694 * of these during boot as we need to look at all of the system packages in order 695 * to know which component is the setup wizard. 696 */ 697 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 698 /** 699 * Whether or not processing protected filters should be deferred. 700 */ 701 private boolean mDeferProtectedFilters = true; 702 703 /** 704 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 705 */ 706 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 707 /** 708 * Whether or not system app permissions should be promoted from install to runtime. 709 */ 710 boolean mPromoteSystemApps; 711 712 @GuardedBy("mPackages") 713 final Settings mSettings; 714 715 /** 716 * Set of package names that are currently "frozen", which means active 717 * surgery is being done on the code/data for that package. The platform 718 * will refuse to launch frozen packages to avoid race conditions. 719 * 720 * @see PackageFreezer 721 */ 722 @GuardedBy("mPackages") 723 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 724 725 final ProtectedPackages mProtectedPackages; 726 727 boolean mFirstBoot; 728 729 PackageManagerInternal.ExternalSourcesPolicy mExternalSourcesPolicy; 730 731 // System configuration read by SystemConfig. 732 final int[] mGlobalGids; 733 final SparseArray<ArraySet<String>> mSystemPermissions; 734 @GuardedBy("mAvailableFeatures") 735 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 736 737 // If mac_permissions.xml was found for seinfo labeling. 738 boolean mFoundPolicyFile; 739 740 private final InstantAppRegistry mInstantAppRegistry; 741 742 @GuardedBy("mPackages") 743 int mChangedPackagesSequenceNumber; 744 /** 745 * List of changed [installed, removed or updated] packages. 746 * mapping from user id -> sequence number -> package name 747 */ 748 @GuardedBy("mPackages") 749 final SparseArray<SparseArray<String>> mChangedPackages = new SparseArray<>(); 750 /** 751 * The sequence number of the last change to a package. 752 * mapping from user id -> package name -> sequence number 753 */ 754 @GuardedBy("mPackages") 755 final SparseArray<Map<String, Integer>> mChangedPackagesSequenceNumbers = new SparseArray<>(); 756 757 class PackageParserCallback implements PackageParser.Callback { 758 @Override public final boolean hasFeature(String feature) { 759 return PackageManagerService.this.hasSystemFeature(feature, 0); 760 } 761 762 final List<PackageParser.Package> getStaticOverlayPackagesLocked( 763 Collection<PackageParser.Package> allPackages, String targetPackageName) { 764 List<PackageParser.Package> overlayPackages = null; 765 for (PackageParser.Package p : allPackages) { 766 if (targetPackageName.equals(p.mOverlayTarget) && p.mIsStaticOverlay) { 767 if (overlayPackages == null) { 768 overlayPackages = new ArrayList<PackageParser.Package>(); 769 } 770 overlayPackages.add(p); 771 } 772 } 773 if (overlayPackages != null) { 774 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 775 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 776 return p1.mOverlayPriority - p2.mOverlayPriority; 777 } 778 }; 779 Collections.sort(overlayPackages, cmp); 780 } 781 return overlayPackages; 782 } 783 784 final String[] getStaticOverlayPathsLocked(Collection<PackageParser.Package> allPackages, 785 String targetPackageName, String targetPath) { 786 if ("android".equals(targetPackageName)) { 787 // Static RROs targeting to "android", ie framework-res.apk, are already applied by 788 // native AssetManager. 789 return null; 790 } 791 List<PackageParser.Package> overlayPackages = 792 getStaticOverlayPackagesLocked(allPackages, targetPackageName); 793 if (overlayPackages == null || overlayPackages.isEmpty()) { 794 return null; 795 } 796 List<String> overlayPathList = null; 797 for (PackageParser.Package overlayPackage : overlayPackages) { 798 if (targetPath == null) { 799 if (overlayPathList == null) { 800 overlayPathList = new ArrayList<String>(); 801 } 802 overlayPathList.add(overlayPackage.baseCodePath); 803 continue; 804 } 805 806 try { 807 // Creates idmaps for system to parse correctly the Android manifest of the 808 // target package. 809 // 810 // OverlayManagerService will update each of them with a correct gid from its 811 // target package app id. 812 mInstaller.idmap(targetPath, overlayPackage.baseCodePath, 813 UserHandle.getSharedAppGid( 814 UserHandle.getUserGid(UserHandle.USER_SYSTEM))); 815 if (overlayPathList == null) { 816 overlayPathList = new ArrayList<String>(); 817 } 818 overlayPathList.add(overlayPackage.baseCodePath); 819 } catch (InstallerException e) { 820 Slog.e(TAG, "Failed to generate idmap for " + targetPath + " and " + 821 overlayPackage.baseCodePath); 822 } 823 } 824 return overlayPathList == null ? null : overlayPathList.toArray(new String[0]); 825 } 826 827 String[] getStaticOverlayPaths(String targetPackageName, String targetPath) { 828 synchronized (mPackages) { 829 return getStaticOverlayPathsLocked( 830 mPackages.values(), targetPackageName, targetPath); 831 } 832 } 833 834 @Override public final String[] getOverlayApks(String targetPackageName) { 835 return getStaticOverlayPaths(targetPackageName, null); 836 } 837 838 @Override public final String[] getOverlayPaths(String targetPackageName, 839 String targetPath) { 840 return getStaticOverlayPaths(targetPackageName, targetPath); 841 } 842 }; 843 844 class ParallelPackageParserCallback extends PackageParserCallback { 845 List<PackageParser.Package> mOverlayPackages = null; 846 847 void findStaticOverlayPackages() { 848 synchronized (mPackages) { 849 for (PackageParser.Package p : mPackages.values()) { 850 if (p.mIsStaticOverlay) { 851 if (mOverlayPackages == null) { 852 mOverlayPackages = new ArrayList<PackageParser.Package>(); 853 } 854 mOverlayPackages.add(p); 855 } 856 } 857 } 858 } 859 860 @Override 861 synchronized String[] getStaticOverlayPaths(String targetPackageName, String targetPath) { 862 // We can trust mOverlayPackages without holding mPackages because package uninstall 863 // can't happen while running parallel parsing. 864 // Moreover holding mPackages on each parsing thread causes dead-lock. 865 return mOverlayPackages == null ? null : 866 getStaticOverlayPathsLocked(mOverlayPackages, targetPackageName, targetPath); 867 } 868 } 869 870 final PackageParser.Callback mPackageParserCallback = new PackageParserCallback(); 871 final ParallelPackageParserCallback mParallelPackageParserCallback = 872 new ParallelPackageParserCallback(); 873 874 public static final class SharedLibraryEntry { 875 public final @Nullable String path; 876 public final @Nullable String apk; 877 public final @NonNull SharedLibraryInfo info; 878 879 SharedLibraryEntry(String _path, String _apk, String name, int version, int type, 880 String declaringPackageName, int declaringPackageVersionCode) { 881 path = _path; 882 apk = _apk; 883 info = new SharedLibraryInfo(name, version, type, new VersionedPackage( 884 declaringPackageName, declaringPackageVersionCode), null); 885 } 886 } 887 888 // Currently known shared libraries. 889 final ArrayMap<String, SparseArray<SharedLibraryEntry>> mSharedLibraries = new ArrayMap<>(); 890 final ArrayMap<String, SparseArray<SharedLibraryEntry>> mStaticLibsByDeclaringPackage = 891 new ArrayMap<>(); 892 893 // All available activities, for your resolving pleasure. 894 final ActivityIntentResolver mActivities = 895 new ActivityIntentResolver(); 896 897 // All available receivers, for your resolving pleasure. 898 final ActivityIntentResolver mReceivers = 899 new ActivityIntentResolver(); 900 901 // All available services, for your resolving pleasure. 902 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 903 904 // All available providers, for your resolving pleasure. 905 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 906 907 // Mapping from provider base names (first directory in content URI codePath) 908 // to the provider information. 909 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 910 new ArrayMap<String, PackageParser.Provider>(); 911 912 // Mapping from instrumentation class names to info about them. 913 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 914 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 915 916 // Mapping from permission names to info about them. 917 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 918 new ArrayMap<String, PackageParser.PermissionGroup>(); 919 920 // Packages whose data we have transfered into another package, thus 921 // should no longer exist. 922 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 923 924 // Broadcast actions that are only available to the system. 925 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 926 927 /** List of packages waiting for verification. */ 928 final SparseArray<PackageVerificationState> mPendingVerification 929 = new SparseArray<PackageVerificationState>(); 930 931 /** Set of packages associated with each app op permission. */ 932 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 933 934 final PackageInstallerService mInstallerService; 935 936 private final PackageDexOptimizer mPackageDexOptimizer; 937 // DexManager handles the usage of dex files (e.g. secondary files, whether or not a package 938 // is used by other apps). 939 private final DexManager mDexManager; 940 941 private AtomicInteger mNextMoveId = new AtomicInteger(); 942 private final MoveCallbacks mMoveCallbacks; 943 944 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 945 946 // Cache of users who need badging. 947 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 948 949 /** Token for keys in mPendingVerification. */ 950 private int mPendingVerificationToken = 0; 951 952 volatile boolean mSystemReady; 953 volatile boolean mSafeMode; 954 volatile boolean mHasSystemUidErrors; 955 private volatile boolean mEphemeralAppsDisabled; 956 957 ApplicationInfo mAndroidApplication; 958 final ActivityInfo mResolveActivity = new ActivityInfo(); 959 final ResolveInfo mResolveInfo = new ResolveInfo(); 960 ComponentName mResolveComponentName; 961 PackageParser.Package mPlatformPackage; 962 ComponentName mCustomResolverComponentName; 963 964 boolean mResolverReplaced = false; 965 966 private final @Nullable ComponentName mIntentFilterVerifierComponent; 967 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 968 969 private int mIntentFilterVerificationToken = 0; 970 971 /** The service connection to the ephemeral resolver */ 972 final EphemeralResolverConnection mInstantAppResolverConnection; 973 /** Component used to show resolver settings for Instant Apps */ 974 final ComponentName mInstantAppResolverSettingsComponent; 975 976 /** Activity used to install instant applications */ 977 ActivityInfo mInstantAppInstallerActivity; 978 final ResolveInfo mInstantAppInstallerInfo = new ResolveInfo(); 979 980 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 981 = new SparseArray<IntentFilterVerificationState>(); 982 983 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy; 984 985 // List of packages names to keep cached, even if they are uninstalled for all users 986 private List<String> mKeepUninstalledPackages; 987 988 private UserManagerInternal mUserManagerInternal; 989 990 private DeviceIdleController.LocalService mDeviceIdleController; 991 992 private File mCacheDir; 993 994 private ArraySet<String> mPrivappPermissionsViolations; 995 996 private Future<?> mPrepareAppDataFuture; 997 998 private static class IFVerificationParams { 999 PackageParser.Package pkg; 1000 boolean replacing; 1001 int userId; 1002 int verifierUid; 1003 1004 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 1005 int _userId, int _verifierUid) { 1006 pkg = _pkg; 1007 replacing = _replacing; 1008 userId = _userId; 1009 replacing = _replacing; 1010 verifierUid = _verifierUid; 1011 } 1012 } 1013 1014 private interface IntentFilterVerifier<T extends IntentFilter> { 1015 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 1016 T filter, String packageName); 1017 void startVerifications(int userId); 1018 void receiveVerificationResponse(int verificationId); 1019 } 1020 1021 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 1022 private Context mContext; 1023 private ComponentName mIntentFilterVerifierComponent; 1024 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 1025 1026 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 1027 mContext = context; 1028 mIntentFilterVerifierComponent = verifierComponent; 1029 } 1030 1031 private String getDefaultScheme() { 1032 return IntentFilter.SCHEME_HTTPS; 1033 } 1034 1035 @Override 1036 public void startVerifications(int userId) { 1037 // Launch verifications requests 1038 int count = mCurrentIntentFilterVerifications.size(); 1039 for (int n=0; n<count; n++) { 1040 int verificationId = mCurrentIntentFilterVerifications.get(n); 1041 final IntentFilterVerificationState ivs = 1042 mIntentFilterVerificationStates.get(verificationId); 1043 1044 String packageName = ivs.getPackageName(); 1045 1046 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 1047 final int filterCount = filters.size(); 1048 ArraySet<String> domainsSet = new ArraySet<>(); 1049 for (int m=0; m<filterCount; m++) { 1050 PackageParser.ActivityIntentInfo filter = filters.get(m); 1051 domainsSet.addAll(filter.getHostsList()); 1052 } 1053 synchronized (mPackages) { 1054 if (mSettings.createIntentFilterVerificationIfNeededLPw( 1055 packageName, domainsSet) != null) { 1056 scheduleWriteSettingsLocked(); 1057 } 1058 } 1059 sendVerificationRequest(userId, verificationId, ivs); 1060 } 1061 mCurrentIntentFilterVerifications.clear(); 1062 } 1063 1064 private void sendVerificationRequest(int userId, int verificationId, 1065 IntentFilterVerificationState ivs) { 1066 1067 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 1068 verificationIntent.putExtra( 1069 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 1070 verificationId); 1071 verificationIntent.putExtra( 1072 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 1073 getDefaultScheme()); 1074 verificationIntent.putExtra( 1075 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 1076 ivs.getHostsString()); 1077 verificationIntent.putExtra( 1078 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 1079 ivs.getPackageName()); 1080 verificationIntent.setComponent(mIntentFilterVerifierComponent); 1081 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 1082 1083 DeviceIdleController.LocalService idleController = getDeviceIdleController(); 1084 idleController.addPowerSaveTempWhitelistApp(Process.myUid(), 1085 mIntentFilterVerifierComponent.getPackageName(), getVerificationTimeout(), 1086 userId, false, "intent filter verifier"); 1087 1088 UserHandle user = new UserHandle(userId); 1089 mContext.sendBroadcastAsUser(verificationIntent, user); 1090 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1091 "Sending IntentFilter verification broadcast"); 1092 } 1093 1094 public void receiveVerificationResponse(int verificationId) { 1095 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 1096 1097 final boolean verified = ivs.isVerified(); 1098 1099 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 1100 final int count = filters.size(); 1101 if (DEBUG_DOMAIN_VERIFICATION) { 1102 Slog.i(TAG, "Received verification response " + verificationId 1103 + " for " + count + " filters, verified=" + verified); 1104 } 1105 for (int n=0; n<count; n++) { 1106 PackageParser.ActivityIntentInfo filter = filters.get(n); 1107 filter.setVerified(verified); 1108 1109 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 1110 + " verified with result:" + verified + " and hosts:" 1111 + ivs.getHostsString()); 1112 } 1113 1114 mIntentFilterVerificationStates.remove(verificationId); 1115 1116 final String packageName = ivs.getPackageName(); 1117 IntentFilterVerificationInfo ivi = null; 1118 1119 synchronized (mPackages) { 1120 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 1121 } 1122 if (ivi == null) { 1123 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 1124 + verificationId + " packageName:" + packageName); 1125 return; 1126 } 1127 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1128 "Updating IntentFilterVerificationInfo for package " + packageName 1129 +" verificationId:" + verificationId); 1130 1131 synchronized (mPackages) { 1132 if (verified) { 1133 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 1134 } else { 1135 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 1136 } 1137 scheduleWriteSettingsLocked(); 1138 1139 final int userId = ivs.getUserId(); 1140 if (userId != UserHandle.USER_ALL) { 1141 final int userStatus = 1142 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 1143 1144 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 1145 boolean needUpdate = false; 1146 1147 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 1148 // already been set by the User thru the Disambiguation dialog 1149 switch (userStatus) { 1150 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 1151 if (verified) { 1152 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 1153 } else { 1154 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 1155 } 1156 needUpdate = true; 1157 break; 1158 1159 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 1160 if (verified) { 1161 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 1162 needUpdate = true; 1163 } 1164 break; 1165 1166 default: 1167 // Nothing to do 1168 } 1169 1170 if (needUpdate) { 1171 mSettings.updateIntentFilterVerificationStatusLPw( 1172 packageName, updatedStatus, userId); 1173 scheduleWritePackageRestrictionsLocked(userId); 1174 } 1175 } 1176 } 1177 } 1178 1179 @Override 1180 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 1181 ActivityIntentInfo filter, String packageName) { 1182 if (!hasValidDomains(filter)) { 1183 return false; 1184 } 1185 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 1186 if (ivs == null) { 1187 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 1188 packageName); 1189 } 1190 if (DEBUG_DOMAIN_VERIFICATION) { 1191 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 1192 } 1193 ivs.addFilter(filter); 1194 return true; 1195 } 1196 1197 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 1198 int userId, int verificationId, String packageName) { 1199 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 1200 verifierUid, userId, packageName); 1201 ivs.setPendingState(); 1202 synchronized (mPackages) { 1203 mIntentFilterVerificationStates.append(verificationId, ivs); 1204 mCurrentIntentFilterVerifications.add(verificationId); 1205 } 1206 return ivs; 1207 } 1208 } 1209 1210 private static boolean hasValidDomains(ActivityIntentInfo filter) { 1211 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 1212 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 1213 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 1214 } 1215 1216 // Set of pending broadcasts for aggregating enable/disable of components. 1217 static class PendingPackageBroadcasts { 1218 // for each user id, a map of <package name -> components within that package> 1219 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 1220 1221 public PendingPackageBroadcasts() { 1222 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 1223 } 1224 1225 public ArrayList<String> get(int userId, String packageName) { 1226 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1227 return packages.get(packageName); 1228 } 1229 1230 public void put(int userId, String packageName, ArrayList<String> components) { 1231 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1232 packages.put(packageName, components); 1233 } 1234 1235 public void remove(int userId, String packageName) { 1236 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 1237 if (packages != null) { 1238 packages.remove(packageName); 1239 } 1240 } 1241 1242 public void remove(int userId) { 1243 mUidMap.remove(userId); 1244 } 1245 1246 public int userIdCount() { 1247 return mUidMap.size(); 1248 } 1249 1250 public int userIdAt(int n) { 1251 return mUidMap.keyAt(n); 1252 } 1253 1254 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1255 return mUidMap.get(userId); 1256 } 1257 1258 public int size() { 1259 // total number of pending broadcast entries across all userIds 1260 int num = 0; 1261 for (int i = 0; i< mUidMap.size(); i++) { 1262 num += mUidMap.valueAt(i).size(); 1263 } 1264 return num; 1265 } 1266 1267 public void clear() { 1268 mUidMap.clear(); 1269 } 1270 1271 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1272 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1273 if (map == null) { 1274 map = new ArrayMap<String, ArrayList<String>>(); 1275 mUidMap.put(userId, map); 1276 } 1277 return map; 1278 } 1279 } 1280 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1281 1282 // Service Connection to remote media container service to copy 1283 // package uri's from external media onto secure containers 1284 // or internal storage. 1285 private IMediaContainerService mContainerService = null; 1286 1287 static final int SEND_PENDING_BROADCAST = 1; 1288 static final int MCS_BOUND = 3; 1289 static final int END_COPY = 4; 1290 static final int INIT_COPY = 5; 1291 static final int MCS_UNBIND = 6; 1292 static final int START_CLEANING_PACKAGE = 7; 1293 static final int FIND_INSTALL_LOC = 8; 1294 static final int POST_INSTALL = 9; 1295 static final int MCS_RECONNECT = 10; 1296 static final int MCS_GIVE_UP = 11; 1297 static final int UPDATED_MEDIA_STATUS = 12; 1298 static final int WRITE_SETTINGS = 13; 1299 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1300 static final int PACKAGE_VERIFIED = 15; 1301 static final int CHECK_PENDING_VERIFICATION = 16; 1302 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1303 static final int INTENT_FILTER_VERIFIED = 18; 1304 static final int WRITE_PACKAGE_LIST = 19; 1305 static final int INSTANT_APP_RESOLUTION_PHASE_TWO = 20; 1306 1307 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1308 1309 // Delay time in millisecs 1310 static final int BROADCAST_DELAY = 10 * 1000; 1311 1312 private static final long DEFAULT_UNUSED_STATIC_SHARED_LIB_MIN_CACHE_PERIOD = 1313 2 * 60 * 60 * 1000L; /* two hours */ 1314 1315 static UserManagerService sUserManager; 1316 1317 // Stores a list of users whose package restrictions file needs to be updated 1318 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1319 1320 final private DefaultContainerConnection mDefContainerConn = 1321 new DefaultContainerConnection(); 1322 class DefaultContainerConnection implements ServiceConnection { 1323 public void onServiceConnected(ComponentName name, IBinder service) { 1324 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1325 final IMediaContainerService imcs = IMediaContainerService.Stub 1326 .asInterface(Binder.allowBlocking(service)); 1327 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1328 } 1329 1330 public void onServiceDisconnected(ComponentName name) { 1331 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1332 } 1333 } 1334 1335 // Recordkeeping of restore-after-install operations that are currently in flight 1336 // between the Package Manager and the Backup Manager 1337 static class PostInstallData { 1338 public InstallArgs args; 1339 public PackageInstalledInfo res; 1340 1341 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1342 args = _a; 1343 res = _r; 1344 } 1345 } 1346 1347 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1348 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1349 1350 // XML tags for backup/restore of various bits of state 1351 private static final String TAG_PREFERRED_BACKUP = "pa"; 1352 private static final String TAG_DEFAULT_APPS = "da"; 1353 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1354 1355 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1356 private static final String TAG_ALL_GRANTS = "rt-grants"; 1357 private static final String TAG_GRANT = "grant"; 1358 private static final String ATTR_PACKAGE_NAME = "pkg"; 1359 1360 private static final String TAG_PERMISSION = "perm"; 1361 private static final String ATTR_PERMISSION_NAME = "name"; 1362 private static final String ATTR_IS_GRANTED = "g"; 1363 private static final String ATTR_USER_SET = "set"; 1364 private static final String ATTR_USER_FIXED = "fixed"; 1365 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1366 1367 // System/policy permission grants are not backed up 1368 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1369 FLAG_PERMISSION_POLICY_FIXED 1370 | FLAG_PERMISSION_SYSTEM_FIXED 1371 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1372 1373 // And we back up these user-adjusted states 1374 private static final int USER_RUNTIME_GRANT_MASK = 1375 FLAG_PERMISSION_USER_SET 1376 | FLAG_PERMISSION_USER_FIXED 1377 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1378 1379 final @Nullable String mRequiredVerifierPackage; 1380 final @NonNull String mRequiredInstallerPackage; 1381 final @NonNull String mRequiredUninstallerPackage; 1382 final @Nullable String mSetupWizardPackage; 1383 final @Nullable String mStorageManagerPackage; 1384 final @NonNull String mServicesSystemSharedLibraryPackageName; 1385 final @NonNull String mSharedSystemSharedLibraryPackageName; 1386 1387 final boolean mPermissionReviewRequired; 1388 1389 private final PackageUsage mPackageUsage = new PackageUsage(); 1390 private final CompilerStats mCompilerStats = new CompilerStats(); 1391 1392 class PackageHandler extends Handler { 1393 private boolean mBound = false; 1394 final ArrayList<HandlerParams> mPendingInstalls = 1395 new ArrayList<HandlerParams>(); 1396 1397 private boolean connectToService() { 1398 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1399 " DefaultContainerService"); 1400 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1401 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1402 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1403 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1404 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1405 mBound = true; 1406 return true; 1407 } 1408 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1409 return false; 1410 } 1411 1412 private void disconnectService() { 1413 mContainerService = null; 1414 mBound = false; 1415 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1416 mContext.unbindService(mDefContainerConn); 1417 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1418 } 1419 1420 PackageHandler(Looper looper) { 1421 super(looper); 1422 } 1423 1424 public void handleMessage(Message msg) { 1425 try { 1426 doHandleMessage(msg); 1427 } finally { 1428 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1429 } 1430 } 1431 1432 void doHandleMessage(Message msg) { 1433 switch (msg.what) { 1434 case INIT_COPY: { 1435 HandlerParams params = (HandlerParams) msg.obj; 1436 int idx = mPendingInstalls.size(); 1437 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1438 // If a bind was already initiated we dont really 1439 // need to do anything. The pending install 1440 // will be processed later on. 1441 if (!mBound) { 1442 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1443 System.identityHashCode(mHandler)); 1444 // If this is the only one pending we might 1445 // have to bind to the service again. 1446 if (!connectToService()) { 1447 Slog.e(TAG, "Failed to bind to media container service"); 1448 params.serviceError(); 1449 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1450 System.identityHashCode(mHandler)); 1451 if (params.traceMethod != null) { 1452 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1453 params.traceCookie); 1454 } 1455 return; 1456 } else { 1457 // Once we bind to the service, the first 1458 // pending request will be processed. 1459 mPendingInstalls.add(idx, params); 1460 } 1461 } else { 1462 mPendingInstalls.add(idx, params); 1463 // Already bound to the service. Just make 1464 // sure we trigger off processing the first request. 1465 if (idx == 0) { 1466 mHandler.sendEmptyMessage(MCS_BOUND); 1467 } 1468 } 1469 break; 1470 } 1471 case MCS_BOUND: { 1472 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1473 if (msg.obj != null) { 1474 mContainerService = (IMediaContainerService) msg.obj; 1475 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1476 System.identityHashCode(mHandler)); 1477 } 1478 if (mContainerService == null) { 1479 if (!mBound) { 1480 // Something seriously wrong since we are not bound and we are not 1481 // waiting for connection. Bail out. 1482 Slog.e(TAG, "Cannot bind to media container service"); 1483 for (HandlerParams params : mPendingInstalls) { 1484 // Indicate service bind error 1485 params.serviceError(); 1486 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1487 System.identityHashCode(params)); 1488 if (params.traceMethod != null) { 1489 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1490 params.traceMethod, params.traceCookie); 1491 } 1492 return; 1493 } 1494 mPendingInstalls.clear(); 1495 } else { 1496 Slog.w(TAG, "Waiting to connect to media container service"); 1497 } 1498 } else if (mPendingInstalls.size() > 0) { 1499 HandlerParams params = mPendingInstalls.get(0); 1500 if (params != null) { 1501 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1502 System.identityHashCode(params)); 1503 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1504 if (params.startCopy()) { 1505 // We are done... look for more work or to 1506 // go idle. 1507 if (DEBUG_SD_INSTALL) Log.i(TAG, 1508 "Checking for more work or unbind..."); 1509 // Delete pending install 1510 if (mPendingInstalls.size() > 0) { 1511 mPendingInstalls.remove(0); 1512 } 1513 if (mPendingInstalls.size() == 0) { 1514 if (mBound) { 1515 if (DEBUG_SD_INSTALL) Log.i(TAG, 1516 "Posting delayed MCS_UNBIND"); 1517 removeMessages(MCS_UNBIND); 1518 Message ubmsg = obtainMessage(MCS_UNBIND); 1519 // Unbind after a little delay, to avoid 1520 // continual thrashing. 1521 sendMessageDelayed(ubmsg, 10000); 1522 } 1523 } else { 1524 // There are more pending requests in queue. 1525 // Just post MCS_BOUND message to trigger processing 1526 // of next pending install. 1527 if (DEBUG_SD_INSTALL) Log.i(TAG, 1528 "Posting MCS_BOUND for next work"); 1529 mHandler.sendEmptyMessage(MCS_BOUND); 1530 } 1531 } 1532 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1533 } 1534 } else { 1535 // Should never happen ideally. 1536 Slog.w(TAG, "Empty queue"); 1537 } 1538 break; 1539 } 1540 case MCS_RECONNECT: { 1541 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1542 if (mPendingInstalls.size() > 0) { 1543 if (mBound) { 1544 disconnectService(); 1545 } 1546 if (!connectToService()) { 1547 Slog.e(TAG, "Failed to bind to media container service"); 1548 for (HandlerParams params : mPendingInstalls) { 1549 // Indicate service bind error 1550 params.serviceError(); 1551 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1552 System.identityHashCode(params)); 1553 } 1554 mPendingInstalls.clear(); 1555 } 1556 } 1557 break; 1558 } 1559 case MCS_UNBIND: { 1560 // If there is no actual work left, then time to unbind. 1561 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1562 1563 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1564 if (mBound) { 1565 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1566 1567 disconnectService(); 1568 } 1569 } else if (mPendingInstalls.size() > 0) { 1570 // There are more pending requests in queue. 1571 // Just post MCS_BOUND message to trigger processing 1572 // of next pending install. 1573 mHandler.sendEmptyMessage(MCS_BOUND); 1574 } 1575 1576 break; 1577 } 1578 case MCS_GIVE_UP: { 1579 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1580 HandlerParams params = mPendingInstalls.remove(0); 1581 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1582 System.identityHashCode(params)); 1583 break; 1584 } 1585 case SEND_PENDING_BROADCAST: { 1586 String packages[]; 1587 ArrayList<String> components[]; 1588 int size = 0; 1589 int uids[]; 1590 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1591 synchronized (mPackages) { 1592 if (mPendingBroadcasts == null) { 1593 return; 1594 } 1595 size = mPendingBroadcasts.size(); 1596 if (size <= 0) { 1597 // Nothing to be done. Just return 1598 return; 1599 } 1600 packages = new String[size]; 1601 components = new ArrayList[size]; 1602 uids = new int[size]; 1603 int i = 0; // filling out the above arrays 1604 1605 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1606 int packageUserId = mPendingBroadcasts.userIdAt(n); 1607 Iterator<Map.Entry<String, ArrayList<String>>> it 1608 = mPendingBroadcasts.packagesForUserId(packageUserId) 1609 .entrySet().iterator(); 1610 while (it.hasNext() && i < size) { 1611 Map.Entry<String, ArrayList<String>> ent = it.next(); 1612 packages[i] = ent.getKey(); 1613 components[i] = ent.getValue(); 1614 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1615 uids[i] = (ps != null) 1616 ? UserHandle.getUid(packageUserId, ps.appId) 1617 : -1; 1618 i++; 1619 } 1620 } 1621 size = i; 1622 mPendingBroadcasts.clear(); 1623 } 1624 // Send broadcasts 1625 for (int i = 0; i < size; i++) { 1626 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1627 } 1628 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1629 break; 1630 } 1631 case START_CLEANING_PACKAGE: { 1632 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1633 final String packageName = (String)msg.obj; 1634 final int userId = msg.arg1; 1635 final boolean andCode = msg.arg2 != 0; 1636 synchronized (mPackages) { 1637 if (userId == UserHandle.USER_ALL) { 1638 int[] users = sUserManager.getUserIds(); 1639 for (int user : users) { 1640 mSettings.addPackageToCleanLPw( 1641 new PackageCleanItem(user, packageName, andCode)); 1642 } 1643 } else { 1644 mSettings.addPackageToCleanLPw( 1645 new PackageCleanItem(userId, packageName, andCode)); 1646 } 1647 } 1648 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1649 startCleaningPackages(); 1650 } break; 1651 case POST_INSTALL: { 1652 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1653 1654 PostInstallData data = mRunningInstalls.get(msg.arg1); 1655 final boolean didRestore = (msg.arg2 != 0); 1656 mRunningInstalls.delete(msg.arg1); 1657 1658 if (data != null) { 1659 InstallArgs args = data.args; 1660 PackageInstalledInfo parentRes = data.res; 1661 1662 final boolean grantPermissions = (args.installFlags 1663 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1664 final boolean killApp = (args.installFlags 1665 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1666 final String[] grantedPermissions = args.installGrantPermissions; 1667 1668 // Handle the parent package 1669 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1670 grantedPermissions, didRestore, args.installerPackageName, 1671 args.observer); 1672 1673 // Handle the child packages 1674 final int childCount = (parentRes.addedChildPackages != null) 1675 ? parentRes.addedChildPackages.size() : 0; 1676 for (int i = 0; i < childCount; i++) { 1677 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1678 handlePackagePostInstall(childRes, grantPermissions, killApp, 1679 grantedPermissions, false, args.installerPackageName, 1680 args.observer); 1681 } 1682 1683 // Log tracing if needed 1684 if (args.traceMethod != null) { 1685 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1686 args.traceCookie); 1687 } 1688 } else { 1689 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1690 } 1691 1692 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1693 } break; 1694 case UPDATED_MEDIA_STATUS: { 1695 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1696 boolean reportStatus = msg.arg1 == 1; 1697 boolean doGc = msg.arg2 == 1; 1698 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1699 if (doGc) { 1700 // Force a gc to clear up stale containers. 1701 Runtime.getRuntime().gc(); 1702 } 1703 if (msg.obj != null) { 1704 @SuppressWarnings("unchecked") 1705 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1706 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1707 // Unload containers 1708 unloadAllContainers(args); 1709 } 1710 if (reportStatus) { 1711 try { 1712 if (DEBUG_SD_INSTALL) Log.i(TAG, 1713 "Invoking StorageManagerService call back"); 1714 PackageHelper.getStorageManager().finishMediaUpdate(); 1715 } catch (RemoteException e) { 1716 Log.e(TAG, "StorageManagerService not running?"); 1717 } 1718 } 1719 } break; 1720 case WRITE_SETTINGS: { 1721 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1722 synchronized (mPackages) { 1723 removeMessages(WRITE_SETTINGS); 1724 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1725 mSettings.writeLPr(); 1726 mDirtyUsers.clear(); 1727 } 1728 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1729 } break; 1730 case WRITE_PACKAGE_RESTRICTIONS: { 1731 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1732 synchronized (mPackages) { 1733 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1734 for (int userId : mDirtyUsers) { 1735 mSettings.writePackageRestrictionsLPr(userId); 1736 } 1737 mDirtyUsers.clear(); 1738 } 1739 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1740 } break; 1741 case WRITE_PACKAGE_LIST: { 1742 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1743 synchronized (mPackages) { 1744 removeMessages(WRITE_PACKAGE_LIST); 1745 mSettings.writePackageListLPr(msg.arg1); 1746 } 1747 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1748 } break; 1749 case CHECK_PENDING_VERIFICATION: { 1750 final int verificationId = msg.arg1; 1751 final PackageVerificationState state = mPendingVerification.get(verificationId); 1752 1753 if ((state != null) && !state.timeoutExtended()) { 1754 final InstallArgs args = state.getInstallArgs(); 1755 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1756 1757 Slog.i(TAG, "Verification timed out for " + originUri); 1758 mPendingVerification.remove(verificationId); 1759 1760 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1761 1762 final UserHandle user = args.getUser(); 1763 if (getDefaultVerificationResponse(user) 1764 == PackageManager.VERIFICATION_ALLOW) { 1765 Slog.i(TAG, "Continuing with installation of " + originUri); 1766 state.setVerifierResponse(Binder.getCallingUid(), 1767 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1768 broadcastPackageVerified(verificationId, originUri, 1769 PackageManager.VERIFICATION_ALLOW, user); 1770 try { 1771 ret = args.copyApk(mContainerService, true); 1772 } catch (RemoteException e) { 1773 Slog.e(TAG, "Could not contact the ContainerService"); 1774 } 1775 } else { 1776 broadcastPackageVerified(verificationId, originUri, 1777 PackageManager.VERIFICATION_REJECT, user); 1778 } 1779 1780 Trace.asyncTraceEnd( 1781 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1782 1783 processPendingInstall(args, ret); 1784 mHandler.sendEmptyMessage(MCS_UNBIND); 1785 } 1786 break; 1787 } 1788 case PACKAGE_VERIFIED: { 1789 final int verificationId = msg.arg1; 1790 1791 final PackageVerificationState state = mPendingVerification.get(verificationId); 1792 if (state == null) { 1793 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1794 break; 1795 } 1796 1797 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1798 1799 state.setVerifierResponse(response.callerUid, response.code); 1800 1801 if (state.isVerificationComplete()) { 1802 mPendingVerification.remove(verificationId); 1803 1804 final InstallArgs args = state.getInstallArgs(); 1805 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1806 1807 int ret; 1808 if (state.isInstallAllowed()) { 1809 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1810 broadcastPackageVerified(verificationId, originUri, 1811 response.code, state.getInstallArgs().getUser()); 1812 try { 1813 ret = args.copyApk(mContainerService, true); 1814 } catch (RemoteException e) { 1815 Slog.e(TAG, "Could not contact the ContainerService"); 1816 } 1817 } else { 1818 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1819 } 1820 1821 Trace.asyncTraceEnd( 1822 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1823 1824 processPendingInstall(args, ret); 1825 mHandler.sendEmptyMessage(MCS_UNBIND); 1826 } 1827 1828 break; 1829 } 1830 case START_INTENT_FILTER_VERIFICATIONS: { 1831 IFVerificationParams params = (IFVerificationParams) msg.obj; 1832 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1833 params.replacing, params.pkg); 1834 break; 1835 } 1836 case INTENT_FILTER_VERIFIED: { 1837 final int verificationId = msg.arg1; 1838 1839 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1840 verificationId); 1841 if (state == null) { 1842 Slog.w(TAG, "Invalid IntentFilter verification token " 1843 + verificationId + " received"); 1844 break; 1845 } 1846 1847 final int userId = state.getUserId(); 1848 1849 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1850 "Processing IntentFilter verification with token:" 1851 + verificationId + " and userId:" + userId); 1852 1853 final IntentFilterVerificationResponse response = 1854 (IntentFilterVerificationResponse) msg.obj; 1855 1856 state.setVerifierResponse(response.callerUid, response.code); 1857 1858 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1859 "IntentFilter verification with token:" + verificationId 1860 + " and userId:" + userId 1861 + " is settings verifier response with response code:" 1862 + response.code); 1863 1864 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1865 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1866 + response.getFailedDomainsString()); 1867 } 1868 1869 if (state.isVerificationComplete()) { 1870 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1871 } else { 1872 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1873 "IntentFilter verification with token:" + verificationId 1874 + " was not said to be complete"); 1875 } 1876 1877 break; 1878 } 1879 case INSTANT_APP_RESOLUTION_PHASE_TWO: { 1880 InstantAppResolver.doInstantAppResolutionPhaseTwo(mContext, 1881 mInstantAppResolverConnection, 1882 (InstantAppRequest) msg.obj, 1883 mInstantAppInstallerActivity, 1884 mHandler); 1885 } 1886 } 1887 } 1888 } 1889 1890 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1891 boolean killApp, String[] grantedPermissions, 1892 boolean launchedForRestore, String installerPackage, 1893 IPackageInstallObserver2 installObserver) { 1894 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1895 // Send the removed broadcasts 1896 if (res.removedInfo != null) { 1897 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1898 } 1899 1900 // Now that we successfully installed the package, grant runtime 1901 // permissions if requested before broadcasting the install. Also 1902 // for legacy apps in permission review mode we clear the permission 1903 // review flag which is used to emulate runtime permissions for 1904 // legacy apps. 1905 if (grantPermissions) { 1906 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1907 } 1908 1909 final boolean update = res.removedInfo != null 1910 && res.removedInfo.removedPackage != null; 1911 final String origInstallerPackageName = res.removedInfo != null 1912 ? res.removedInfo.installerPackageName : null; 1913 1914 // If this is the first time we have child packages for a disabled privileged 1915 // app that had no children, we grant requested runtime permissions to the new 1916 // children if the parent on the system image had them already granted. 1917 if (res.pkg.parentPackage != null) { 1918 synchronized (mPackages) { 1919 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1920 } 1921 } 1922 1923 synchronized (mPackages) { 1924 mInstantAppRegistry.onPackageInstalledLPw(res.pkg, res.newUsers); 1925 } 1926 1927 final String packageName = res.pkg.applicationInfo.packageName; 1928 1929 // Determine the set of users who are adding this package for 1930 // the first time vs. those who are seeing an update. 1931 int[] firstUsers = EMPTY_INT_ARRAY; 1932 int[] updateUsers = EMPTY_INT_ARRAY; 1933 final boolean allNewUsers = res.origUsers == null || res.origUsers.length == 0; 1934 final PackageSetting ps = (PackageSetting) res.pkg.mExtras; 1935 for (int newUser : res.newUsers) { 1936 if (ps.getInstantApp(newUser)) { 1937 continue; 1938 } 1939 if (allNewUsers) { 1940 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1941 continue; 1942 } 1943 boolean isNew = true; 1944 for (int origUser : res.origUsers) { 1945 if (origUser == newUser) { 1946 isNew = false; 1947 break; 1948 } 1949 } 1950 if (isNew) { 1951 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1952 } else { 1953 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1954 } 1955 } 1956 1957 // Send installed broadcasts if the package is not a static shared lib. 1958 if (res.pkg.staticSharedLibName == null) { 1959 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1960 1961 // Send added for users that see the package for the first time 1962 // sendPackageAddedForNewUsers also deals with system apps 1963 int appId = UserHandle.getAppId(res.uid); 1964 boolean isSystem = res.pkg.applicationInfo.isSystemApp(); 1965 sendPackageAddedForNewUsers(packageName, isSystem, appId, firstUsers); 1966 1967 // Send added for users that don't see the package for the first time 1968 Bundle extras = new Bundle(1); 1969 extras.putInt(Intent.EXTRA_UID, res.uid); 1970 if (update) { 1971 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1972 } 1973 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1974 extras, 0 /*flags*/, 1975 null /*targetPackage*/, null /*finishedReceiver*/, updateUsers); 1976 if (origInstallerPackageName != null) { 1977 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1978 extras, 0 /*flags*/, 1979 origInstallerPackageName, null /*finishedReceiver*/, updateUsers); 1980 } 1981 1982 // Send replaced for users that don't see the package for the first time 1983 if (update) { 1984 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1985 packageName, extras, 0 /*flags*/, 1986 null /*targetPackage*/, null /*finishedReceiver*/, 1987 updateUsers); 1988 if (origInstallerPackageName != null) { 1989 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 1990 extras, 0 /*flags*/, 1991 origInstallerPackageName, null /*finishedReceiver*/, updateUsers); 1992 } 1993 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1994 null /*package*/, null /*extras*/, 0 /*flags*/, 1995 packageName /*targetPackage*/, 1996 null /*finishedReceiver*/, updateUsers); 1997 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1998 // First-install and we did a restore, so we're responsible for the 1999 // first-launch broadcast. 2000 if (DEBUG_BACKUP) { 2001 Slog.i(TAG, "Post-restore of " + packageName 2002 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 2003 } 2004 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 2005 } 2006 2007 // Send broadcast package appeared if forward locked/external for all users 2008 // treat asec-hosted packages like removable media on upgrade 2009 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 2010 if (DEBUG_INSTALL) { 2011 Slog.i(TAG, "upgrading pkg " + res.pkg 2012 + " is ASEC-hosted -> AVAILABLE"); 2013 } 2014 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 2015 ArrayList<String> pkgList = new ArrayList<>(1); 2016 pkgList.add(packageName); 2017 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 2018 } 2019 } 2020 2021 // Work that needs to happen on first install within each user 2022 if (firstUsers != null && firstUsers.length > 0) { 2023 synchronized (mPackages) { 2024 for (int userId : firstUsers) { 2025 // If this app is a browser and it's newly-installed for some 2026 // users, clear any default-browser state in those users. The 2027 // app's nature doesn't depend on the user, so we can just check 2028 // its browser nature in any user and generalize. 2029 if (packageIsBrowser(packageName, userId)) { 2030 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 2031 } 2032 2033 // We may also need to apply pending (restored) runtime 2034 // permission grants within these users. 2035 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 2036 } 2037 } 2038 } 2039 2040 // Log current value of "unknown sources" setting 2041 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 2042 getUnknownSourcesSettings()); 2043 2044 // Remove the replaced package's older resources safely now 2045 // We delete after a gc for applications on sdcard. 2046 if (res.removedInfo != null && res.removedInfo.args != null) { 2047 Runtime.getRuntime().gc(); 2048 synchronized (mInstallLock) { 2049 res.removedInfo.args.doPostDeleteLI(true); 2050 } 2051 } else { 2052 // Force a gc to clear up things. Ask for a background one, it's fine to go on 2053 // and not block here. 2054 VMRuntime.getRuntime().requestConcurrentGC(); 2055 } 2056 2057 // Notify DexManager that the package was installed for new users. 2058 // The updated users should already be indexed and the package code paths 2059 // should not change. 2060 // Don't notify the manager for ephemeral apps as they are not expected to 2061 // survive long enough to benefit of background optimizations. 2062 for (int userId : firstUsers) { 2063 PackageInfo info = getPackageInfo(packageName, /*flags*/ 0, userId); 2064 // There's a race currently where some install events may interleave with an uninstall. 2065 // This can lead to package info being null (b/36642664). 2066 if (info != null) { 2067 mDexManager.notifyPackageInstalled(info, userId); 2068 } 2069 } 2070 } 2071 2072 // If someone is watching installs - notify them 2073 if (installObserver != null) { 2074 try { 2075 Bundle extras = extrasForInstallResult(res); 2076 installObserver.onPackageInstalled(res.name, res.returnCode, 2077 res.returnMsg, extras); 2078 } catch (RemoteException e) { 2079 Slog.i(TAG, "Observer no longer exists."); 2080 } 2081 } 2082 } 2083 2084 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 2085 PackageParser.Package pkg) { 2086 if (pkg.parentPackage == null) { 2087 return; 2088 } 2089 if (pkg.requestedPermissions == null) { 2090 return; 2091 } 2092 final PackageSetting disabledSysParentPs = mSettings 2093 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 2094 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 2095 || !disabledSysParentPs.isPrivileged() 2096 || (disabledSysParentPs.childPackageNames != null 2097 && !disabledSysParentPs.childPackageNames.isEmpty())) { 2098 return; 2099 } 2100 final int[] allUserIds = sUserManager.getUserIds(); 2101 final int permCount = pkg.requestedPermissions.size(); 2102 for (int i = 0; i < permCount; i++) { 2103 String permission = pkg.requestedPermissions.get(i); 2104 BasePermission bp = mSettings.mPermissions.get(permission); 2105 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 2106 continue; 2107 } 2108 for (int userId : allUserIds) { 2109 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 2110 permission, userId)) { 2111 grantRuntimePermission(pkg.packageName, permission, userId); 2112 } 2113 } 2114 } 2115 } 2116 2117 private StorageEventListener mStorageListener = new StorageEventListener() { 2118 @Override 2119 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 2120 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 2121 if (vol.state == VolumeInfo.STATE_MOUNTED) { 2122 final String volumeUuid = vol.getFsUuid(); 2123 2124 // Clean up any users or apps that were removed or recreated 2125 // while this volume was missing 2126 sUserManager.reconcileUsers(volumeUuid); 2127 reconcileApps(volumeUuid); 2128 2129 // Clean up any install sessions that expired or were 2130 // cancelled while this volume was missing 2131 mInstallerService.onPrivateVolumeMounted(volumeUuid); 2132 2133 loadPrivatePackages(vol); 2134 2135 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2136 unloadPrivatePackages(vol); 2137 } 2138 } 2139 2140 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 2141 if (vol.state == VolumeInfo.STATE_MOUNTED) { 2142 updateExternalMediaStatus(true, false); 2143 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2144 updateExternalMediaStatus(false, false); 2145 } 2146 } 2147 } 2148 2149 @Override 2150 public void onVolumeForgotten(String fsUuid) { 2151 if (TextUtils.isEmpty(fsUuid)) { 2152 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 2153 return; 2154 } 2155 2156 // Remove any apps installed on the forgotten volume 2157 synchronized (mPackages) { 2158 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 2159 for (PackageSetting ps : packages) { 2160 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 2161 deletePackageVersioned(new VersionedPackage(ps.name, 2162 PackageManager.VERSION_CODE_HIGHEST), 2163 new LegacyPackageDeleteObserver(null).getBinder(), 2164 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 2165 // Try very hard to release any references to this package 2166 // so we don't risk the system server being killed due to 2167 // open FDs 2168 AttributeCache.instance().removePackage(ps.name); 2169 } 2170 2171 mSettings.onVolumeForgotten(fsUuid); 2172 mSettings.writeLPr(); 2173 } 2174 } 2175 }; 2176 2177 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 2178 String[] grantedPermissions) { 2179 for (int userId : userIds) { 2180 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 2181 } 2182 } 2183 2184 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 2185 String[] grantedPermissions) { 2186 PackageSetting ps = (PackageSetting) pkg.mExtras; 2187 if (ps == null) { 2188 return; 2189 } 2190 2191 PermissionsState permissionsState = ps.getPermissionsState(); 2192 2193 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 2194 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 2195 2196 final boolean supportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 2197 >= Build.VERSION_CODES.M; 2198 2199 final boolean instantApp = isInstantApp(pkg.packageName, userId); 2200 2201 for (String permission : pkg.requestedPermissions) { 2202 final BasePermission bp; 2203 synchronized (mPackages) { 2204 bp = mSettings.mPermissions.get(permission); 2205 } 2206 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 2207 && (!instantApp || bp.isInstant()) 2208 && (supportsRuntimePermissions || !bp.isRuntimeOnly()) 2209 && (grantedPermissions == null 2210 || ArrayUtils.contains(grantedPermissions, permission))) { 2211 final int flags = permissionsState.getPermissionFlags(permission, userId); 2212 if (supportsRuntimePermissions) { 2213 // Installer cannot change immutable permissions. 2214 if ((flags & immutableFlags) == 0) { 2215 grantRuntimePermission(pkg.packageName, permission, userId); 2216 } 2217 } else if (mPermissionReviewRequired) { 2218 // In permission review mode we clear the review flag when we 2219 // are asked to install the app with all permissions granted. 2220 if ((flags & PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 2221 updatePermissionFlags(permission, pkg.packageName, 2222 PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED, 0, userId); 2223 } 2224 } 2225 } 2226 } 2227 } 2228 2229 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2230 Bundle extras = null; 2231 switch (res.returnCode) { 2232 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2233 extras = new Bundle(); 2234 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2235 res.origPermission); 2236 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2237 res.origPackage); 2238 break; 2239 } 2240 case PackageManager.INSTALL_SUCCEEDED: { 2241 extras = new Bundle(); 2242 extras.putBoolean(Intent.EXTRA_REPLACING, 2243 res.removedInfo != null && res.removedInfo.removedPackage != null); 2244 break; 2245 } 2246 } 2247 return extras; 2248 } 2249 2250 void scheduleWriteSettingsLocked() { 2251 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2252 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2253 } 2254 } 2255 2256 void scheduleWritePackageListLocked(int userId) { 2257 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 2258 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 2259 msg.arg1 = userId; 2260 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 2261 } 2262 } 2263 2264 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2265 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2266 scheduleWritePackageRestrictionsLocked(userId); 2267 } 2268 2269 void scheduleWritePackageRestrictionsLocked(int userId) { 2270 final int[] userIds = (userId == UserHandle.USER_ALL) 2271 ? sUserManager.getUserIds() : new int[]{userId}; 2272 for (int nextUserId : userIds) { 2273 if (!sUserManager.exists(nextUserId)) return; 2274 mDirtyUsers.add(nextUserId); 2275 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2276 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2277 } 2278 } 2279 } 2280 2281 public static PackageManagerService main(Context context, Installer installer, 2282 boolean factoryTest, boolean onlyCore) { 2283 // Self-check for initial settings. 2284 PackageManagerServiceCompilerMapping.checkProperties(); 2285 2286 PackageManagerService m = new PackageManagerService(context, installer, 2287 factoryTest, onlyCore); 2288 m.enableSystemUserPackages(); 2289 ServiceManager.addService("package", m); 2290 return m; 2291 } 2292 2293 private void enableSystemUserPackages() { 2294 if (!UserManager.isSplitSystemUser()) { 2295 return; 2296 } 2297 // For system user, enable apps based on the following conditions: 2298 // - app is whitelisted or belong to one of these groups: 2299 // -- system app which has no launcher icons 2300 // -- system app which has INTERACT_ACROSS_USERS permission 2301 // -- system IME app 2302 // - app is not in the blacklist 2303 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2304 Set<String> enableApps = new ArraySet<>(); 2305 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2306 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2307 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2308 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2309 enableApps.addAll(wlApps); 2310 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2311 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2312 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2313 enableApps.removeAll(blApps); 2314 Log.i(TAG, "Applications installed for system user: " + enableApps); 2315 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2316 UserHandle.SYSTEM); 2317 final int allAppsSize = allAps.size(); 2318 synchronized (mPackages) { 2319 for (int i = 0; i < allAppsSize; i++) { 2320 String pName = allAps.get(i); 2321 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2322 // Should not happen, but we shouldn't be failing if it does 2323 if (pkgSetting == null) { 2324 continue; 2325 } 2326 boolean install = enableApps.contains(pName); 2327 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2328 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2329 + " for system user"); 2330 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2331 } 2332 } 2333 scheduleWritePackageRestrictionsLocked(UserHandle.USER_SYSTEM); 2334 } 2335 } 2336 2337 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2338 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2339 Context.DISPLAY_SERVICE); 2340 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2341 } 2342 2343 /** 2344 * Requests that files preopted on a secondary system partition be copied to the data partition 2345 * if possible. Note that the actual copying of the files is accomplished by init for security 2346 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2347 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2348 */ 2349 private static void requestCopyPreoptedFiles() { 2350 final int WAIT_TIME_MS = 100; 2351 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2352 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2353 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2354 // We will wait for up to 100 seconds. 2355 final long timeStart = SystemClock.uptimeMillis(); 2356 final long timeEnd = timeStart + 100 * 1000; 2357 long timeNow = timeStart; 2358 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2359 try { 2360 Thread.sleep(WAIT_TIME_MS); 2361 } catch (InterruptedException e) { 2362 // Do nothing 2363 } 2364 timeNow = SystemClock.uptimeMillis(); 2365 if (timeNow > timeEnd) { 2366 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2367 Slog.wtf(TAG, "cppreopt did not finish!"); 2368 break; 2369 } 2370 } 2371 2372 Slog.i(TAG, "cppreopts took " + (timeNow - timeStart) + " ms"); 2373 } 2374 } 2375 2376 public PackageManagerService(Context context, Installer installer, 2377 boolean factoryTest, boolean onlyCore) { 2378 LockGuard.installLock(mPackages, LockGuard.INDEX_PACKAGES); 2379 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "create package manager"); 2380 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2381 SystemClock.uptimeMillis()); 2382 2383 if (mSdkVersion <= 0) { 2384 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2385 } 2386 2387 mContext = context; 2388 2389 mPermissionReviewRequired = context.getResources().getBoolean( 2390 R.bool.config_permissionReviewRequired); 2391 2392 mFactoryTest = factoryTest; 2393 mOnlyCore = onlyCore; 2394 mMetrics = new DisplayMetrics(); 2395 mSettings = new Settings(mPackages); 2396 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2397 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2398 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2399 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2400 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2401 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2402 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2403 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2404 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2405 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2406 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2407 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2408 2409 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2410 if (separateProcesses != null && separateProcesses.length() > 0) { 2411 if ("*".equals(separateProcesses)) { 2412 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2413 mSeparateProcesses = null; 2414 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2415 } else { 2416 mDefParseFlags = 0; 2417 mSeparateProcesses = separateProcesses.split(","); 2418 Slog.w(TAG, "Running with debug.separate_processes: " 2419 + separateProcesses); 2420 } 2421 } else { 2422 mDefParseFlags = 0; 2423 mSeparateProcesses = null; 2424 } 2425 2426 mInstaller = installer; 2427 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2428 "*dexopt*"); 2429 mDexManager = new DexManager(this, mPackageDexOptimizer, installer, mInstallLock); 2430 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2431 2432 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2433 FgThread.get().getLooper()); 2434 2435 getDefaultDisplayMetrics(context, mMetrics); 2436 2437 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "get system config"); 2438 SystemConfig systemConfig = SystemConfig.getInstance(); 2439 mGlobalGids = systemConfig.getGlobalGids(); 2440 mSystemPermissions = systemConfig.getSystemPermissions(); 2441 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2442 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2443 2444 mProtectedPackages = new ProtectedPackages(mContext); 2445 2446 synchronized (mInstallLock) { 2447 // writer 2448 synchronized (mPackages) { 2449 mHandlerThread = new ServiceThread(TAG, 2450 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2451 mHandlerThread.start(); 2452 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2453 mProcessLoggingHandler = new ProcessLoggingHandler(); 2454 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2455 2456 mDefaultPermissionPolicy = new DefaultPermissionGrantPolicy(this); 2457 mInstantAppRegistry = new InstantAppRegistry(this); 2458 2459 File dataDir = Environment.getDataDirectory(); 2460 mAppInstallDir = new File(dataDir, "app"); 2461 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2462 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2463 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2464 sUserManager = new UserManagerService(context, this, 2465 new UserDataPreparer(mInstaller, mInstallLock, mContext, mOnlyCore), mPackages); 2466 2467 // Propagate permission configuration in to package manager. 2468 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2469 = systemConfig.getPermissions(); 2470 for (int i=0; i<permConfig.size(); i++) { 2471 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2472 BasePermission bp = mSettings.mPermissions.get(perm.name); 2473 if (bp == null) { 2474 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2475 mSettings.mPermissions.put(perm.name, bp); 2476 } 2477 if (perm.gids != null) { 2478 bp.setGids(perm.gids, perm.perUser); 2479 } 2480 } 2481 2482 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2483 final int builtInLibCount = libConfig.size(); 2484 for (int i = 0; i < builtInLibCount; i++) { 2485 String name = libConfig.keyAt(i); 2486 String path = libConfig.valueAt(i); 2487 addSharedLibraryLPw(path, null, name, SharedLibraryInfo.VERSION_UNDEFINED, 2488 SharedLibraryInfo.TYPE_BUILTIN, PLATFORM_PACKAGE_NAME, 0); 2489 } 2490 2491 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2492 2493 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "read user settings"); 2494 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2495 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2496 2497 // Clean up orphaned packages for which the code path doesn't exist 2498 // and they are an update to a system app - caused by bug/32321269 2499 final int packageSettingCount = mSettings.mPackages.size(); 2500 for (int i = packageSettingCount - 1; i >= 0; i--) { 2501 PackageSetting ps = mSettings.mPackages.valueAt(i); 2502 if (!isExternal(ps) && (ps.codePath == null || !ps.codePath.exists()) 2503 && mSettings.getDisabledSystemPkgLPr(ps.name) != null) { 2504 mSettings.mPackages.removeAt(i); 2505 mSettings.enableSystemPackageLPw(ps.name); 2506 } 2507 } 2508 2509 if (mFirstBoot) { 2510 requestCopyPreoptedFiles(); 2511 } 2512 2513 String customResolverActivity = Resources.getSystem().getString( 2514 R.string.config_customResolverActivity); 2515 if (TextUtils.isEmpty(customResolverActivity)) { 2516 customResolverActivity = null; 2517 } else { 2518 mCustomResolverComponentName = ComponentName.unflattenFromString( 2519 customResolverActivity); 2520 } 2521 2522 long startTime = SystemClock.uptimeMillis(); 2523 2524 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2525 startTime); 2526 2527 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2528 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2529 2530 if (bootClassPath == null) { 2531 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2532 } 2533 2534 if (systemServerClassPath == null) { 2535 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2536 } 2537 2538 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2539 2540 final VersionInfo ver = mSettings.getInternalVersion(); 2541 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2542 if (mIsUpgrade) { 2543 logCriticalInfo(Log.INFO, 2544 "Upgrading from " + ver.fingerprint + " to " + Build.FINGERPRINT); 2545 } 2546 2547 // when upgrading from pre-M, promote system app permissions from install to runtime 2548 mPromoteSystemApps = 2549 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2550 2551 // When upgrading from pre-N, we need to handle package extraction like first boot, 2552 // as there is no profiling data available. 2553 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2554 2555 mIsPreNMR1Upgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N_MR1; 2556 2557 // save off the names of pre-existing system packages prior to scanning; we don't 2558 // want to automatically grant runtime permissions for new system apps 2559 if (mPromoteSystemApps) { 2560 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2561 while (pkgSettingIter.hasNext()) { 2562 PackageSetting ps = pkgSettingIter.next(); 2563 if (isSystemApp(ps)) { 2564 mExistingSystemPackages.add(ps.name); 2565 } 2566 } 2567 } 2568 2569 mCacheDir = preparePackageParserCache(mIsUpgrade); 2570 2571 // Set flag to monitor and not change apk file paths when 2572 // scanning install directories. 2573 int scanFlags = SCAN_BOOTING | SCAN_INITIAL; 2574 2575 if (mIsUpgrade || mFirstBoot) { 2576 scanFlags = scanFlags | SCAN_FIRST_BOOT_OR_UPGRADE; 2577 } 2578 2579 // Collect vendor overlay packages. (Do this before scanning any apps.) 2580 // For security and version matching reason, only consider 2581 // overlay packages if they reside in the right directory. 2582 scanDirTracedLI(new File(VENDOR_OVERLAY_DIR), mDefParseFlags 2583 | PackageParser.PARSE_IS_SYSTEM 2584 | PackageParser.PARSE_IS_SYSTEM_DIR 2585 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2586 2587 mParallelPackageParserCallback.findStaticOverlayPackages(); 2588 2589 // Find base frameworks (resource packages without code). 2590 scanDirTracedLI(frameworkDir, mDefParseFlags 2591 | PackageParser.PARSE_IS_SYSTEM 2592 | PackageParser.PARSE_IS_SYSTEM_DIR 2593 | PackageParser.PARSE_IS_PRIVILEGED, 2594 scanFlags | SCAN_NO_DEX, 0); 2595 2596 // Collected privileged system packages. 2597 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2598 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2599 | PackageParser.PARSE_IS_SYSTEM 2600 | PackageParser.PARSE_IS_SYSTEM_DIR 2601 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2602 2603 // Collect ordinary system packages. 2604 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2605 scanDirTracedLI(systemAppDir, mDefParseFlags 2606 | PackageParser.PARSE_IS_SYSTEM 2607 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2608 2609 // Collect all vendor packages. 2610 File vendorAppDir = new File("/vendor/app"); 2611 try { 2612 vendorAppDir = vendorAppDir.getCanonicalFile(); 2613 } catch (IOException e) { 2614 // failed to look up canonical path, continue with original one 2615 } 2616 scanDirTracedLI(vendorAppDir, mDefParseFlags 2617 | PackageParser.PARSE_IS_SYSTEM 2618 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2619 2620 // Collect all OEM packages. 2621 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2622 scanDirTracedLI(oemAppDir, mDefParseFlags 2623 | PackageParser.PARSE_IS_SYSTEM 2624 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2625 2626 // Prune any system packages that no longer exist. 2627 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2628 if (!mOnlyCore) { 2629 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2630 while (psit.hasNext()) { 2631 PackageSetting ps = psit.next(); 2632 2633 /* 2634 * If this is not a system app, it can't be a 2635 * disable system app. 2636 */ 2637 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2638 continue; 2639 } 2640 2641 /* 2642 * If the package is scanned, it's not erased. 2643 */ 2644 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2645 if (scannedPkg != null) { 2646 /* 2647 * If the system app is both scanned and in the 2648 * disabled packages list, then it must have been 2649 * added via OTA. Remove it from the currently 2650 * scanned package so the previously user-installed 2651 * application can be scanned. 2652 */ 2653 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2654 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2655 + ps.name + "; removing system app. Last known codePath=" 2656 + ps.codePathString + ", installStatus=" + ps.installStatus 2657 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2658 + scannedPkg.mVersionCode); 2659 removePackageLI(scannedPkg, true); 2660 mExpectingBetter.put(ps.name, ps.codePath); 2661 } 2662 2663 continue; 2664 } 2665 2666 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2667 psit.remove(); 2668 logCriticalInfo(Log.WARN, "System package " + ps.name 2669 + " no longer exists; it's data will be wiped"); 2670 // Actual deletion of code and data will be handled by later 2671 // reconciliation step 2672 } else { 2673 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2674 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2675 possiblyDeletedUpdatedSystemApps.add(ps.name); 2676 } 2677 } 2678 } 2679 } 2680 2681 //look for any incomplete package installations 2682 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2683 for (int i = 0; i < deletePkgsList.size(); i++) { 2684 // Actual deletion of code and data will be handled by later 2685 // reconciliation step 2686 final String packageName = deletePkgsList.get(i).name; 2687 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2688 synchronized (mPackages) { 2689 mSettings.removePackageLPw(packageName); 2690 } 2691 } 2692 2693 //delete tmp files 2694 deleteTempPackageFiles(); 2695 2696 // Remove any shared userIDs that have no associated packages 2697 mSettings.pruneSharedUsersLPw(); 2698 2699 if (!mOnlyCore) { 2700 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2701 SystemClock.uptimeMillis()); 2702 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2703 2704 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2705 | PackageParser.PARSE_FORWARD_LOCK, 2706 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2707 2708 /** 2709 * Remove disable package settings for any updated system 2710 * apps that were removed via an OTA. If they're not a 2711 * previously-updated app, remove them completely. 2712 * Otherwise, just revoke their system-level permissions. 2713 */ 2714 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2715 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2716 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2717 2718 String msg; 2719 if (deletedPkg == null) { 2720 msg = "Updated system package " + deletedAppName 2721 + " no longer exists; it's data will be wiped"; 2722 // Actual deletion of code and data will be handled by later 2723 // reconciliation step 2724 } else { 2725 msg = "Updated system app + " + deletedAppName 2726 + " no longer present; removing system privileges for " 2727 + deletedAppName; 2728 2729 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2730 2731 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2732 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2733 } 2734 logCriticalInfo(Log.WARN, msg); 2735 } 2736 2737 /** 2738 * Make sure all system apps that we expected to appear on 2739 * the userdata partition actually showed up. If they never 2740 * appeared, crawl back and revive the system version. 2741 */ 2742 for (int i = 0; i < mExpectingBetter.size(); i++) { 2743 final String packageName = mExpectingBetter.keyAt(i); 2744 if (!mPackages.containsKey(packageName)) { 2745 final File scanFile = mExpectingBetter.valueAt(i); 2746 2747 logCriticalInfo(Log.WARN, "Expected better " + packageName 2748 + " but never showed up; reverting to system"); 2749 2750 int reparseFlags = mDefParseFlags; 2751 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2752 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2753 | PackageParser.PARSE_IS_SYSTEM_DIR 2754 | PackageParser.PARSE_IS_PRIVILEGED; 2755 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2756 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2757 | PackageParser.PARSE_IS_SYSTEM_DIR; 2758 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2759 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2760 | PackageParser.PARSE_IS_SYSTEM_DIR; 2761 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2762 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2763 | PackageParser.PARSE_IS_SYSTEM_DIR; 2764 } else { 2765 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2766 continue; 2767 } 2768 2769 mSettings.enableSystemPackageLPw(packageName); 2770 2771 try { 2772 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2773 } catch (PackageManagerException e) { 2774 Slog.e(TAG, "Failed to parse original system package: " 2775 + e.getMessage()); 2776 } 2777 } 2778 } 2779 } 2780 mExpectingBetter.clear(); 2781 2782 // Resolve the storage manager. 2783 mStorageManagerPackage = getStorageManagerPackageName(); 2784 2785 // Resolve protected action filters. Only the setup wizard is allowed to 2786 // have a high priority filter for these actions. 2787 mSetupWizardPackage = getSetupWizardPackageName(); 2788 if (mProtectedFilters.size() > 0) { 2789 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2790 Slog.i(TAG, "No setup wizard;" 2791 + " All protected intents capped to priority 0"); 2792 } 2793 for (ActivityIntentInfo filter : mProtectedFilters) { 2794 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2795 if (DEBUG_FILTERS) { 2796 Slog.i(TAG, "Found setup wizard;" 2797 + " allow priority " + filter.getPriority() + ";" 2798 + " package: " + filter.activity.info.packageName 2799 + " activity: " + filter.activity.className 2800 + " priority: " + filter.getPriority()); 2801 } 2802 // skip setup wizard; allow it to keep the high priority filter 2803 continue; 2804 } 2805 if (DEBUG_FILTERS) { 2806 Slog.i(TAG, "Protected action; cap priority to 0;" 2807 + " package: " + filter.activity.info.packageName 2808 + " activity: " + filter.activity.className 2809 + " origPrio: " + filter.getPriority()); 2810 } 2811 filter.setPriority(0); 2812 } 2813 } 2814 mDeferProtectedFilters = false; 2815 mProtectedFilters.clear(); 2816 2817 // Now that we know all of the shared libraries, update all clients to have 2818 // the correct library paths. 2819 updateAllSharedLibrariesLPw(null); 2820 2821 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2822 // NOTE: We ignore potential failures here during a system scan (like 2823 // the rest of the commands above) because there's precious little we 2824 // can do about it. A settings error is reported, though. 2825 adjustCpuAbisForSharedUserLPw(setting.packages, null /*scannedPackage*/); 2826 } 2827 2828 // Now that we know all the packages we are keeping, 2829 // read and update their last usage times. 2830 mPackageUsage.read(mPackages); 2831 mCompilerStats.read(); 2832 2833 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2834 SystemClock.uptimeMillis()); 2835 Slog.i(TAG, "Time to scan packages: " 2836 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2837 + " seconds"); 2838 2839 // If the platform SDK has changed since the last time we booted, 2840 // we need to re-grant app permission to catch any new ones that 2841 // appear. This is really a hack, and means that apps can in some 2842 // cases get permissions that the user didn't initially explicitly 2843 // allow... it would be nice to have some better way to handle 2844 // this situation. 2845 int updateFlags = UPDATE_PERMISSIONS_ALL; 2846 if (ver.sdkVersion != mSdkVersion) { 2847 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2848 + mSdkVersion + "; regranting permissions for internal storage"); 2849 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2850 } 2851 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2852 ver.sdkVersion = mSdkVersion; 2853 2854 // If this is the first boot or an update from pre-M, and it is a normal 2855 // boot, then we need to initialize the default preferred apps across 2856 // all defined users. 2857 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2858 for (UserInfo user : sUserManager.getUsers(true)) { 2859 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2860 applyFactoryDefaultBrowserLPw(user.id); 2861 primeDomainVerificationsLPw(user.id); 2862 } 2863 } 2864 2865 // Prepare storage for system user really early during boot, 2866 // since core system apps like SettingsProvider and SystemUI 2867 // can't wait for user to start 2868 final int storageFlags; 2869 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2870 storageFlags = StorageManager.FLAG_STORAGE_DE; 2871 } else { 2872 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2873 } 2874 List<String> deferPackages = reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, 2875 UserHandle.USER_SYSTEM, storageFlags, true /* migrateAppData */, 2876 true /* onlyCoreApps */); 2877 mPrepareAppDataFuture = SystemServerInitThreadPool.get().submit(() -> { 2878 BootTimingsTraceLog traceLog = new BootTimingsTraceLog("SystemServerTimingAsync", 2879 Trace.TRACE_TAG_PACKAGE_MANAGER); 2880 traceLog.traceBegin("AppDataFixup"); 2881 try { 2882 mInstaller.fixupAppData(StorageManager.UUID_PRIVATE_INTERNAL, 2883 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 2884 } catch (InstallerException e) { 2885 Slog.w(TAG, "Trouble fixing GIDs", e); 2886 } 2887 traceLog.traceEnd(); 2888 2889 traceLog.traceBegin("AppDataPrepare"); 2890 if (deferPackages == null || deferPackages.isEmpty()) { 2891 return; 2892 } 2893 int count = 0; 2894 for (String pkgName : deferPackages) { 2895 PackageParser.Package pkg = null; 2896 synchronized (mPackages) { 2897 PackageSetting ps = mSettings.getPackageLPr(pkgName); 2898 if (ps != null && ps.getInstalled(UserHandle.USER_SYSTEM)) { 2899 pkg = ps.pkg; 2900 } 2901 } 2902 if (pkg != null) { 2903 synchronized (mInstallLock) { 2904 prepareAppDataAndMigrateLIF(pkg, UserHandle.USER_SYSTEM, storageFlags, 2905 true /* maybeMigrateAppData */); 2906 } 2907 count++; 2908 } 2909 } 2910 traceLog.traceEnd(); 2911 Slog.i(TAG, "Deferred reconcileAppsData finished " + count + " packages"); 2912 }, "prepareAppData"); 2913 2914 // If this is first boot after an OTA, and a normal boot, then 2915 // we need to clear code cache directories. 2916 // Note that we do *not* clear the application profiles. These remain valid 2917 // across OTAs and are used to drive profile verification (post OTA) and 2918 // profile compilation (without waiting to collect a fresh set of profiles). 2919 if (mIsUpgrade && !onlyCore) { 2920 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2921 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2922 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2923 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2924 // No apps are running this early, so no need to freeze 2925 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2926 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2927 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2928 } 2929 } 2930 ver.fingerprint = Build.FINGERPRINT; 2931 } 2932 2933 checkDefaultBrowser(); 2934 2935 // clear only after permissions and other defaults have been updated 2936 mExistingSystemPackages.clear(); 2937 mPromoteSystemApps = false; 2938 2939 // All the changes are done during package scanning. 2940 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2941 2942 // can downgrade to reader 2943 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "write settings"); 2944 mSettings.writeLPr(); 2945 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2946 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2947 SystemClock.uptimeMillis()); 2948 2949 if (!mOnlyCore) { 2950 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2951 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2952 mRequiredUninstallerPackage = getRequiredUninstallerLPr(); 2953 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2954 if (mIntentFilterVerifierComponent != null) { 2955 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2956 mIntentFilterVerifierComponent); 2957 } else { 2958 mIntentFilterVerifier = null; 2959 } 2960 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2961 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES, 2962 SharedLibraryInfo.VERSION_UNDEFINED); 2963 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2964 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED, 2965 SharedLibraryInfo.VERSION_UNDEFINED); 2966 } else { 2967 mRequiredVerifierPackage = null; 2968 mRequiredInstallerPackage = null; 2969 mRequiredUninstallerPackage = null; 2970 mIntentFilterVerifierComponent = null; 2971 mIntentFilterVerifier = null; 2972 mServicesSystemSharedLibraryPackageName = null; 2973 mSharedSystemSharedLibraryPackageName = null; 2974 } 2975 2976 mInstallerService = new PackageInstallerService(context, this); 2977 final Pair<ComponentName, String> instantAppResolverComponent = 2978 getInstantAppResolverLPr(); 2979 if (instantAppResolverComponent != null) { 2980 if (DEBUG_EPHEMERAL) { 2981 Slog.d(TAG, "Set ephemeral resolver: " + instantAppResolverComponent); 2982 } 2983 mInstantAppResolverConnection = new EphemeralResolverConnection( 2984 mContext, instantAppResolverComponent.first, 2985 instantAppResolverComponent.second); 2986 mInstantAppResolverSettingsComponent = 2987 getInstantAppResolverSettingsLPr(instantAppResolverComponent.first); 2988 } else { 2989 mInstantAppResolverConnection = null; 2990 mInstantAppResolverSettingsComponent = null; 2991 } 2992 updateInstantAppInstallerLocked(null); 2993 2994 // Read and update the usage of dex files. 2995 // Do this at the end of PM init so that all the packages have their 2996 // data directory reconciled. 2997 // At this point we know the code paths of the packages, so we can validate 2998 // the disk file and build the internal cache. 2999 // The usage file is expected to be small so loading and verifying it 3000 // should take a fairly small time compare to the other activities (e.g. package 3001 // scanning). 3002 final Map<Integer, List<PackageInfo>> userPackages = new HashMap<>(); 3003 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 3004 for (int userId : currentUserIds) { 3005 userPackages.put(userId, getInstalledPackages(/*flags*/ 0, userId).getList()); 3006 } 3007 mDexManager.load(userPackages); 3008 } // synchronized (mPackages) 3009 } // synchronized (mInstallLock) 3010 3011 // Now after opening every single application zip, make sure they 3012 // are all flushed. Not really needed, but keeps things nice and 3013 // tidy. 3014 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "GC"); 3015 Runtime.getRuntime().gc(); 3016 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 3017 3018 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "loadFallbacks"); 3019 FallbackCategoryProvider.loadFallbacks(); 3020 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 3021 3022 // The initial scanning above does many calls into installd while 3023 // holding the mPackages lock, but we're mostly interested in yelling 3024 // once we have a booted system. 3025 mInstaller.setWarnIfHeld(mPackages); 3026 3027 // Expose private service for system components to use. 3028 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 3029 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 3030 } 3031 3032 private void updateInstantAppInstallerLocked(String modifiedPackage) { 3033 // we're only interested in updating the installer appliction when 1) it's not 3034 // already set or 2) the modified package is the installer 3035 if (mInstantAppInstallerActivity != null 3036 && !mInstantAppInstallerActivity.getComponentName().getPackageName() 3037 .equals(modifiedPackage)) { 3038 return; 3039 } 3040 setUpInstantAppInstallerActivityLP(getInstantAppInstallerLPr()); 3041 } 3042 3043 private static File preparePackageParserCache(boolean isUpgrade) { 3044 if (!DEFAULT_PACKAGE_PARSER_CACHE_ENABLED) { 3045 return null; 3046 } 3047 3048 // Disable package parsing on eng builds to allow for faster incremental development. 3049 if ("eng".equals(Build.TYPE)) { 3050 return null; 3051 } 3052 3053 if (SystemProperties.getBoolean("pm.boot.disable_package_cache", false)) { 3054 Slog.i(TAG, "Disabling package parser cache due to system property."); 3055 return null; 3056 } 3057 3058 // The base directory for the package parser cache lives under /data/system/. 3059 final File cacheBaseDir = FileUtils.createDir(Environment.getDataSystemDirectory(), 3060 "package_cache"); 3061 if (cacheBaseDir == null) { 3062 return null; 3063 } 3064 3065 // If this is a system upgrade scenario, delete the contents of the package cache dir. 3066 // This also serves to "GC" unused entries when the package cache version changes (which 3067 // can only happen during upgrades). 3068 if (isUpgrade) { 3069 FileUtils.deleteContents(cacheBaseDir); 3070 } 3071 3072 3073 // Return the versioned package cache directory. This is something like 3074 // "/data/system/package_cache/1" 3075 File cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 3076 3077 // The following is a workaround to aid development on non-numbered userdebug 3078 // builds or cases where "adb sync" is used on userdebug builds. If we detect that 3079 // the system partition is newer. 3080 // 3081 // NOTE: When no BUILD_NUMBER is set by the build system, it defaults to a build 3082 // that starts with "eng." to signify that this is an engineering build and not 3083 // destined for release. 3084 if ("userdebug".equals(Build.TYPE) && Build.VERSION.INCREMENTAL.startsWith("eng.")) { 3085 Slog.w(TAG, "Wiping cache directory because the system partition changed."); 3086 3087 // Heuristic: If the /system directory has been modified recently due to an "adb sync" 3088 // or a regular make, then blow away the cache. Note that mtimes are *NOT* reliable 3089 // in general and should not be used for production changes. In this specific case, 3090 // we know that they will work. 3091 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 3092 if (cacheDir.lastModified() < frameworkDir.lastModified()) { 3093 FileUtils.deleteContents(cacheBaseDir); 3094 cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 3095 } 3096 } 3097 3098 return cacheDir; 3099 } 3100 3101 @Override 3102 public boolean isFirstBoot() { 3103 // allow instant applications 3104 return mFirstBoot; 3105 } 3106 3107 @Override 3108 public boolean isOnlyCoreApps() { 3109 // allow instant applications 3110 return mOnlyCore; 3111 } 3112 3113 @Override 3114 public boolean isUpgrade() { 3115 // allow instant applications 3116 return mIsUpgrade; 3117 } 3118 3119 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 3120 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 3121 3122 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 3123 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3124 UserHandle.USER_SYSTEM); 3125 if (matches.size() == 1) { 3126 return matches.get(0).getComponentInfo().packageName; 3127 } else if (matches.size() == 0) { 3128 Log.e(TAG, "There should probably be a verifier, but, none were found"); 3129 return null; 3130 } 3131 throw new RuntimeException("There must be exactly one verifier; found " + matches); 3132 } 3133 3134 private @NonNull String getRequiredSharedLibraryLPr(String name, int version) { 3135 synchronized (mPackages) { 3136 SharedLibraryEntry libraryEntry = getSharedLibraryEntryLPr(name, version); 3137 if (libraryEntry == null) { 3138 throw new IllegalStateException("Missing required shared library:" + name); 3139 } 3140 return libraryEntry.apk; 3141 } 3142 } 3143 3144 private @NonNull String getRequiredInstallerLPr() { 3145 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 3146 intent.addCategory(Intent.CATEGORY_DEFAULT); 3147 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3148 3149 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3150 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3151 UserHandle.USER_SYSTEM); 3152 if (matches.size() == 1) { 3153 ResolveInfo resolveInfo = matches.get(0); 3154 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 3155 throw new RuntimeException("The installer must be a privileged app"); 3156 } 3157 return matches.get(0).getComponentInfo().packageName; 3158 } else { 3159 throw new RuntimeException("There must be exactly one installer; found " + matches); 3160 } 3161 } 3162 3163 private @NonNull String getRequiredUninstallerLPr() { 3164 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 3165 intent.addCategory(Intent.CATEGORY_DEFAULT); 3166 intent.setData(Uri.fromParts(PACKAGE_SCHEME, "foo.bar", null)); 3167 3168 final ResolveInfo resolveInfo = resolveIntent(intent, null, 3169 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3170 UserHandle.USER_SYSTEM); 3171 if (resolveInfo == null || 3172 mResolveActivity.name.equals(resolveInfo.getComponentInfo().name)) { 3173 throw new RuntimeException("There must be exactly one uninstaller; found " 3174 + resolveInfo); 3175 } 3176 return resolveInfo.getComponentInfo().packageName; 3177 } 3178 3179 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 3180 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 3181 3182 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 3183 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3184 UserHandle.USER_SYSTEM); 3185 ResolveInfo best = null; 3186 final int N = matches.size(); 3187 for (int i = 0; i < N; i++) { 3188 final ResolveInfo cur = matches.get(i); 3189 final String packageName = cur.getComponentInfo().packageName; 3190 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 3191 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 3192 continue; 3193 } 3194 3195 if (best == null || cur.priority > best.priority) { 3196 best = cur; 3197 } 3198 } 3199 3200 if (best != null) { 3201 return best.getComponentInfo().getComponentName(); 3202 } 3203 Slog.w(TAG, "Intent filter verifier not found"); 3204 return null; 3205 } 3206 3207 @Override 3208 public @Nullable ComponentName getInstantAppResolverComponent() { 3209 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 3210 return null; 3211 } 3212 synchronized (mPackages) { 3213 final Pair<ComponentName, String> instantAppResolver = getInstantAppResolverLPr(); 3214 if (instantAppResolver == null) { 3215 return null; 3216 } 3217 return instantAppResolver.first; 3218 } 3219 } 3220 3221 private @Nullable Pair<ComponentName, String> getInstantAppResolverLPr() { 3222 final String[] packageArray = 3223 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 3224 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 3225 if (DEBUG_EPHEMERAL) { 3226 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 3227 } 3228 return null; 3229 } 3230 3231 final int callingUid = Binder.getCallingUid(); 3232 final int resolveFlags = 3233 MATCH_DIRECT_BOOT_AWARE 3234 | MATCH_DIRECT_BOOT_UNAWARE 3235 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3236 String actionName = Intent.ACTION_RESOLVE_INSTANT_APP_PACKAGE; 3237 final Intent resolverIntent = new Intent(actionName); 3238 List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 3239 resolveFlags, UserHandle.USER_SYSTEM, callingUid, false /*includeInstantApps*/); 3240 // temporarily look for the old action 3241 if (resolvers.size() == 0) { 3242 if (DEBUG_EPHEMERAL) { 3243 Slog.d(TAG, "Ephemeral resolver not found with new action; try old one"); 3244 } 3245 actionName = Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE; 3246 resolverIntent.setAction(actionName); 3247 resolvers = queryIntentServicesInternal(resolverIntent, null, 3248 resolveFlags, UserHandle.USER_SYSTEM, callingUid, false /*includeInstantApps*/); 3249 } 3250 final int N = resolvers.size(); 3251 if (N == 0) { 3252 if (DEBUG_EPHEMERAL) { 3253 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 3254 } 3255 return null; 3256 } 3257 3258 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 3259 for (int i = 0; i < N; i++) { 3260 final ResolveInfo info = resolvers.get(i); 3261 3262 if (info.serviceInfo == null) { 3263 continue; 3264 } 3265 3266 final String packageName = info.serviceInfo.packageName; 3267 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 3268 if (DEBUG_EPHEMERAL) { 3269 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 3270 + " pkg: " + packageName + ", info:" + info); 3271 } 3272 continue; 3273 } 3274 3275 if (DEBUG_EPHEMERAL) { 3276 Slog.v(TAG, "Ephemeral resolver found;" 3277 + " pkg: " + packageName + ", info:" + info); 3278 } 3279 return new Pair<>(new ComponentName(packageName, info.serviceInfo.name), actionName); 3280 } 3281 if (DEBUG_EPHEMERAL) { 3282 Slog.v(TAG, "Ephemeral resolver NOT found"); 3283 } 3284 return null; 3285 } 3286 3287 private @Nullable ActivityInfo getInstantAppInstallerLPr() { 3288 final Intent intent = new Intent(Intent.ACTION_INSTALL_INSTANT_APP_PACKAGE); 3289 intent.addCategory(Intent.CATEGORY_DEFAULT); 3290 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3291 3292 final int resolveFlags = 3293 MATCH_DIRECT_BOOT_AWARE 3294 | MATCH_DIRECT_BOOT_UNAWARE 3295 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3296 List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3297 resolveFlags, UserHandle.USER_SYSTEM); 3298 // temporarily look for the old action 3299 if (matches.isEmpty()) { 3300 if (DEBUG_EPHEMERAL) { 3301 Slog.d(TAG, "Ephemeral installer not found with new action; try old one"); 3302 } 3303 intent.setAction(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 3304 matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3305 resolveFlags, UserHandle.USER_SYSTEM); 3306 } 3307 Iterator<ResolveInfo> iter = matches.iterator(); 3308 while (iter.hasNext()) { 3309 final ResolveInfo rInfo = iter.next(); 3310 final PackageSetting ps = mSettings.mPackages.get(rInfo.activityInfo.packageName); 3311 if (ps != null) { 3312 final PermissionsState permissionsState = ps.getPermissionsState(); 3313 if (permissionsState.hasPermission(Manifest.permission.INSTALL_PACKAGES, 0)) { 3314 continue; 3315 } 3316 } 3317 iter.remove(); 3318 } 3319 if (matches.size() == 0) { 3320 return null; 3321 } else if (matches.size() == 1) { 3322 return (ActivityInfo) matches.get(0).getComponentInfo(); 3323 } else { 3324 throw new RuntimeException( 3325 "There must be at most one ephemeral installer; found " + matches); 3326 } 3327 } 3328 3329 private @Nullable ComponentName getInstantAppResolverSettingsLPr( 3330 @NonNull ComponentName resolver) { 3331 final Intent intent = new Intent(Intent.ACTION_INSTANT_APP_RESOLVER_SETTINGS) 3332 .addCategory(Intent.CATEGORY_DEFAULT) 3333 .setPackage(resolver.getPackageName()); 3334 final int resolveFlags = MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3335 List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, resolveFlags, 3336 UserHandle.USER_SYSTEM); 3337 // temporarily look for the old action 3338 if (matches.isEmpty()) { 3339 if (DEBUG_EPHEMERAL) { 3340 Slog.d(TAG, "Ephemeral resolver settings not found with new action; try old one"); 3341 } 3342 intent.setAction(Intent.ACTION_EPHEMERAL_RESOLVER_SETTINGS); 3343 matches = queryIntentActivitiesInternal(intent, null, resolveFlags, 3344 UserHandle.USER_SYSTEM); 3345 } 3346 if (matches.isEmpty()) { 3347 return null; 3348 } 3349 return matches.get(0).getComponentInfo().getComponentName(); 3350 } 3351 3352 private void primeDomainVerificationsLPw(int userId) { 3353 if (DEBUG_DOMAIN_VERIFICATION) { 3354 Slog.d(TAG, "Priming domain verifications in user " + userId); 3355 } 3356 3357 SystemConfig systemConfig = SystemConfig.getInstance(); 3358 ArraySet<String> packages = systemConfig.getLinkedApps(); 3359 3360 for (String packageName : packages) { 3361 PackageParser.Package pkg = mPackages.get(packageName); 3362 if (pkg != null) { 3363 if (!pkg.isSystemApp()) { 3364 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 3365 continue; 3366 } 3367 3368 ArraySet<String> domains = null; 3369 for (PackageParser.Activity a : pkg.activities) { 3370 for (ActivityIntentInfo filter : a.intents) { 3371 if (hasValidDomains(filter)) { 3372 if (domains == null) { 3373 domains = new ArraySet<String>(); 3374 } 3375 domains.addAll(filter.getHostsList()); 3376 } 3377 } 3378 } 3379 3380 if (domains != null && domains.size() > 0) { 3381 if (DEBUG_DOMAIN_VERIFICATION) { 3382 Slog.v(TAG, " + " + packageName); 3383 } 3384 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 3385 // state w.r.t. the formal app-linkage "no verification attempted" state; 3386 // and then 'always' in the per-user state actually used for intent resolution. 3387 final IntentFilterVerificationInfo ivi; 3388 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, domains); 3389 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 3390 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 3391 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 3392 } else { 3393 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 3394 + "' does not handle web links"); 3395 } 3396 } else { 3397 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 3398 } 3399 } 3400 3401 scheduleWritePackageRestrictionsLocked(userId); 3402 scheduleWriteSettingsLocked(); 3403 } 3404 3405 private void applyFactoryDefaultBrowserLPw(int userId) { 3406 // The default browser app's package name is stored in a string resource, 3407 // with a product-specific overlay used for vendor customization. 3408 String browserPkg = mContext.getResources().getString( 3409 com.android.internal.R.string.default_browser); 3410 if (!TextUtils.isEmpty(browserPkg)) { 3411 // non-empty string => required to be a known package 3412 PackageSetting ps = mSettings.mPackages.get(browserPkg); 3413 if (ps == null) { 3414 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 3415 browserPkg = null; 3416 } else { 3417 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3418 } 3419 } 3420 3421 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3422 // default. If there's more than one, just leave everything alone. 3423 if (browserPkg == null) { 3424 calculateDefaultBrowserLPw(userId); 3425 } 3426 } 3427 3428 private void calculateDefaultBrowserLPw(int userId) { 3429 List<String> allBrowsers = resolveAllBrowserApps(userId); 3430 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3431 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3432 } 3433 3434 private List<String> resolveAllBrowserApps(int userId) { 3435 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3436 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3437 PackageManager.MATCH_ALL, userId); 3438 3439 final int count = list.size(); 3440 List<String> result = new ArrayList<String>(count); 3441 for (int i=0; i<count; i++) { 3442 ResolveInfo info = list.get(i); 3443 if (info.activityInfo == null 3444 || !info.handleAllWebDataURI 3445 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3446 || result.contains(info.activityInfo.packageName)) { 3447 continue; 3448 } 3449 result.add(info.activityInfo.packageName); 3450 } 3451 3452 return result; 3453 } 3454 3455 private boolean packageIsBrowser(String packageName, int userId) { 3456 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3457 PackageManager.MATCH_ALL, userId); 3458 final int N = list.size(); 3459 for (int i = 0; i < N; i++) { 3460 ResolveInfo info = list.get(i); 3461 if (packageName.equals(info.activityInfo.packageName)) { 3462 return true; 3463 } 3464 } 3465 return false; 3466 } 3467 3468 private void checkDefaultBrowser() { 3469 final int myUserId = UserHandle.myUserId(); 3470 final String packageName = getDefaultBrowserPackageName(myUserId); 3471 if (packageName != null) { 3472 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3473 if (info == null) { 3474 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3475 synchronized (mPackages) { 3476 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3477 } 3478 } 3479 } 3480 } 3481 3482 @Override 3483 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3484 throws RemoteException { 3485 try { 3486 return super.onTransact(code, data, reply, flags); 3487 } catch (RuntimeException e) { 3488 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3489 Slog.wtf(TAG, "Package Manager Crash", e); 3490 } 3491 throw e; 3492 } 3493 } 3494 3495 static int[] appendInts(int[] cur, int[] add) { 3496 if (add == null) return cur; 3497 if (cur == null) return add; 3498 final int N = add.length; 3499 for (int i=0; i<N; i++) { 3500 cur = appendInt(cur, add[i]); 3501 } 3502 return cur; 3503 } 3504 3505 /** 3506 * Returns whether or not a full application can see an instant application. 3507 * <p> 3508 * Currently, there are three cases in which this can occur: 3509 * <ol> 3510 * <li>The calling application is a "special" process. The special 3511 * processes are {@link Process#SYSTEM_UID}, {@link Process#SHELL_UID} 3512 * and {@code 0}</li> 3513 * <li>The calling application has the permission 3514 * {@link android.Manifest.permission#ACCESS_INSTANT_APPS}</li> 3515 * <li>The calling application is the default launcher on the 3516 * system partition.</li> 3517 * </ol> 3518 */ 3519 private boolean canViewInstantApps(int callingUid, int userId) { 3520 if (callingUid == Process.SYSTEM_UID 3521 || callingUid == Process.SHELL_UID 3522 || callingUid == Process.ROOT_UID) { 3523 return true; 3524 } 3525 if (mContext.checkCallingOrSelfPermission( 3526 android.Manifest.permission.ACCESS_INSTANT_APPS) == PERMISSION_GRANTED) { 3527 return true; 3528 } 3529 if (mContext.checkCallingOrSelfPermission( 3530 android.Manifest.permission.VIEW_INSTANT_APPS) == PERMISSION_GRANTED) { 3531 final ComponentName homeComponent = getDefaultHomeActivity(userId); 3532 if (homeComponent != null 3533 && isCallerSameApp(homeComponent.getPackageName(), callingUid)) { 3534 return true; 3535 } 3536 } 3537 return false; 3538 } 3539 3540 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3541 if (!sUserManager.exists(userId)) return null; 3542 if (ps == null) { 3543 return null; 3544 } 3545 PackageParser.Package p = ps.pkg; 3546 if (p == null) { 3547 return null; 3548 } 3549 final int callingUid = Binder.getCallingUid(); 3550 // Filter out ephemeral app metadata: 3551 // * The system/shell/root can see metadata for any app 3552 // * An installed app can see metadata for 1) other installed apps 3553 // and 2) ephemeral apps that have explicitly interacted with it 3554 // * Ephemeral apps can only see their own data and exposed installed apps 3555 // * Holding a signature permission allows seeing instant apps 3556 if (filterAppAccessLPr(ps, callingUid, userId)) { 3557 return null; 3558 } 3559 3560 final PermissionsState permissionsState = ps.getPermissionsState(); 3561 3562 // Compute GIDs only if requested 3563 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3564 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3565 // Compute granted permissions only if package has requested permissions 3566 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3567 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3568 final PackageUserState state = ps.readUserState(userId); 3569 3570 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0 3571 && ps.isSystem()) { 3572 flags |= MATCH_ANY_USER; 3573 } 3574 3575 PackageInfo packageInfo = PackageParser.generatePackageInfo(p, gids, flags, 3576 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3577 3578 if (packageInfo == null) { 3579 return null; 3580 } 3581 3582 packageInfo.packageName = packageInfo.applicationInfo.packageName = 3583 resolveExternalPackageNameLPr(p); 3584 3585 return packageInfo; 3586 } 3587 3588 @Override 3589 public void checkPackageStartable(String packageName, int userId) { 3590 final int callingUid = Binder.getCallingUid(); 3591 if (getInstantAppPackageName(callingUid) != null) { 3592 throw new SecurityException("Instant applications don't have access to this method"); 3593 } 3594 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3595 synchronized (mPackages) { 3596 final PackageSetting ps = mSettings.mPackages.get(packageName); 3597 if (ps == null || filterAppAccessLPr(ps, callingUid, userId)) { 3598 throw new SecurityException("Package " + packageName + " was not found!"); 3599 } 3600 3601 if (!ps.getInstalled(userId)) { 3602 throw new SecurityException( 3603 "Package " + packageName + " was not installed for user " + userId + "!"); 3604 } 3605 3606 if (mSafeMode && !ps.isSystem()) { 3607 throw new SecurityException("Package " + packageName + " not a system app!"); 3608 } 3609 3610 if (mFrozenPackages.contains(packageName)) { 3611 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3612 } 3613 3614 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3615 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3616 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3617 } 3618 } 3619 } 3620 3621 @Override 3622 public boolean isPackageAvailable(String packageName, int userId) { 3623 if (!sUserManager.exists(userId)) return false; 3624 final int callingUid = Binder.getCallingUid(); 3625 enforceCrossUserPermission(callingUid, userId, 3626 false /*requireFullPermission*/, false /*checkShell*/, "is package available"); 3627 synchronized (mPackages) { 3628 PackageParser.Package p = mPackages.get(packageName); 3629 if (p != null) { 3630 final PackageSetting ps = (PackageSetting) p.mExtras; 3631 if (filterAppAccessLPr(ps, callingUid, userId)) { 3632 return false; 3633 } 3634 if (ps != null) { 3635 final PackageUserState state = ps.readUserState(userId); 3636 if (state != null) { 3637 return PackageParser.isAvailable(state); 3638 } 3639 } 3640 } 3641 } 3642 return false; 3643 } 3644 3645 @Override 3646 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3647 return getPackageInfoInternal(packageName, PackageManager.VERSION_CODE_HIGHEST, 3648 flags, Binder.getCallingUid(), userId); 3649 } 3650 3651 @Override 3652 public PackageInfo getPackageInfoVersioned(VersionedPackage versionedPackage, 3653 int flags, int userId) { 3654 return getPackageInfoInternal(versionedPackage.getPackageName(), 3655 versionedPackage.getVersionCode(), flags, Binder.getCallingUid(), userId); 3656 } 3657 3658 /** 3659 * Important: The provided filterCallingUid is used exclusively to filter out packages 3660 * that can be seen based on user state. It's typically the original caller uid prior 3661 * to clearing. Because it can only be provided by trusted code, it's value can be 3662 * trusted and will be used as-is; unlike userId which will be validated by this method. 3663 */ 3664 private PackageInfo getPackageInfoInternal(String packageName, int versionCode, 3665 int flags, int filterCallingUid, int userId) { 3666 if (!sUserManager.exists(userId)) return null; 3667 flags = updateFlagsForPackage(flags, userId, packageName); 3668 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3669 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3670 3671 // reader 3672 synchronized (mPackages) { 3673 // Normalize package name to handle renamed packages and static libs 3674 packageName = resolveInternalPackageNameLPr(packageName, versionCode); 3675 3676 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3677 if (matchFactoryOnly) { 3678 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3679 if (ps != null) { 3680 if (filterSharedLibPackageLPr(ps, filterCallingUid, userId, flags)) { 3681 return null; 3682 } 3683 if (filterAppAccessLPr(ps, filterCallingUid, userId)) { 3684 return null; 3685 } 3686 return generatePackageInfo(ps, flags, userId); 3687 } 3688 } 3689 3690 PackageParser.Package p = mPackages.get(packageName); 3691 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3692 return null; 3693 } 3694 if (DEBUG_PACKAGE_INFO) 3695 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3696 if (p != null) { 3697 final PackageSetting ps = (PackageSetting) p.mExtras; 3698 if (filterSharedLibPackageLPr(ps, filterCallingUid, userId, flags)) { 3699 return null; 3700 } 3701 if (ps != null && filterAppAccessLPr(ps, filterCallingUid, userId)) { 3702 return null; 3703 } 3704 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3705 } 3706 if (!matchFactoryOnly && (flags & MATCH_KNOWN_PACKAGES) != 0) { 3707 final PackageSetting ps = mSettings.mPackages.get(packageName); 3708 if (ps == null) return null; 3709 if (filterSharedLibPackageLPr(ps, filterCallingUid, userId, flags)) { 3710 return null; 3711 } 3712 if (filterAppAccessLPr(ps, filterCallingUid, userId)) { 3713 return null; 3714 } 3715 return generatePackageInfo(ps, flags, userId); 3716 } 3717 } 3718 return null; 3719 } 3720 3721 private boolean isComponentVisibleToInstantApp(@Nullable ComponentName component) { 3722 if (isComponentVisibleToInstantApp(component, TYPE_ACTIVITY)) { 3723 return true; 3724 } 3725 if (isComponentVisibleToInstantApp(component, TYPE_SERVICE)) { 3726 return true; 3727 } 3728 if (isComponentVisibleToInstantApp(component, TYPE_PROVIDER)) { 3729 return true; 3730 } 3731 return false; 3732 } 3733 3734 private boolean isComponentVisibleToInstantApp( 3735 @Nullable ComponentName component, @ComponentType int type) { 3736 if (type == TYPE_ACTIVITY) { 3737 final PackageParser.Activity activity = mActivities.mActivities.get(component); 3738 return activity != null 3739 ? (activity.info.flags & ActivityInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0 3740 : false; 3741 } else if (type == TYPE_RECEIVER) { 3742 final PackageParser.Activity activity = mReceivers.mActivities.get(component); 3743 return activity != null 3744 ? (activity.info.flags & ActivityInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0 3745 : false; 3746 } else if (type == TYPE_SERVICE) { 3747 final PackageParser.Service service = mServices.mServices.get(component); 3748 return service != null 3749 ? (service.info.flags & ServiceInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0 3750 : false; 3751 } else if (type == TYPE_PROVIDER) { 3752 final PackageParser.Provider provider = mProviders.mProviders.get(component); 3753 return provider != null 3754 ? (provider.info.flags & ProviderInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0 3755 : false; 3756 } else if (type == TYPE_UNKNOWN) { 3757 return isComponentVisibleToInstantApp(component); 3758 } 3759 return false; 3760 } 3761 3762 /** 3763 * Returns whether or not access to the application should be filtered. 3764 * <p> 3765 * Access may be limited based upon whether the calling or target applications 3766 * are instant applications. 3767 * 3768 * @see #canAccessInstantApps(int) 3769 */ 3770 private boolean filterAppAccessLPr(@Nullable PackageSetting ps, int callingUid, 3771 @Nullable ComponentName component, @ComponentType int componentType, int userId) { 3772 // if we're in an isolated process, get the real calling UID 3773 if (Process.isIsolated(callingUid)) { 3774 callingUid = mIsolatedOwners.get(callingUid); 3775 } 3776 final String instantAppPkgName = getInstantAppPackageName(callingUid); 3777 final boolean callerIsInstantApp = instantAppPkgName != null; 3778 if (ps == null) { 3779 if (callerIsInstantApp) { 3780 // pretend the application exists, but, needs to be filtered 3781 return true; 3782 } 3783 return false; 3784 } 3785 // if the target and caller are the same application, don't filter 3786 if (isCallerSameApp(ps.name, callingUid)) { 3787 return false; 3788 } 3789 if (callerIsInstantApp) { 3790 // request for a specific component; if it hasn't been explicitly exposed, filter 3791 if (component != null) { 3792 return !isComponentVisibleToInstantApp(component, componentType); 3793 } 3794 // request for application; if no components have been explicitly exposed, filter 3795 return ps.getInstantApp(userId) || !ps.pkg.visibleToInstantApps; 3796 } 3797 if (ps.getInstantApp(userId)) { 3798 // caller can see all components of all instant applications, don't filter 3799 if (canViewInstantApps(callingUid, userId)) { 3800 return false; 3801 } 3802 // request for a specific instant application component, filter 3803 if (component != null) { 3804 return true; 3805 } 3806 // request for an instant application; if the caller hasn't been granted access, filter 3807 return !mInstantAppRegistry.isInstantAccessGranted( 3808 userId, UserHandle.getAppId(callingUid), ps.appId); 3809 } 3810 return false; 3811 } 3812 3813 /** 3814 * @see #filterAppAccessLPr(PackageSetting, int, ComponentName, boolean, int) 3815 */ 3816 private boolean filterAppAccessLPr(@Nullable PackageSetting ps, int callingUid, int userId) { 3817 return filterAppAccessLPr(ps, callingUid, null, TYPE_UNKNOWN, userId); 3818 } 3819 3820 private boolean filterSharedLibPackageLPr(@Nullable PackageSetting ps, int uid, int userId, 3821 int flags) { 3822 // Callers can access only the libs they depend on, otherwise they need to explicitly 3823 // ask for the shared libraries given the caller is allowed to access all static libs. 3824 if ((flags & PackageManager.MATCH_STATIC_SHARED_LIBRARIES) != 0) { 3825 // System/shell/root get to see all static libs 3826 final int appId = UserHandle.getAppId(uid); 3827 if (appId == Process.SYSTEM_UID || appId == Process.SHELL_UID 3828 || appId == Process.ROOT_UID) { 3829 return false; 3830 } 3831 } 3832 3833 // No package means no static lib as it is always on internal storage 3834 if (ps == null || ps.pkg == null || !ps.pkg.applicationInfo.isStaticSharedLibrary()) { 3835 return false; 3836 } 3837 3838 final SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(ps.pkg.staticSharedLibName, 3839 ps.pkg.staticSharedLibVersion); 3840 if (libEntry == null) { 3841 return false; 3842 } 3843 3844 final int resolvedUid = UserHandle.getUid(userId, UserHandle.getAppId(uid)); 3845 final String[] uidPackageNames = getPackagesForUid(resolvedUid); 3846 if (uidPackageNames == null) { 3847 return true; 3848 } 3849 3850 for (String uidPackageName : uidPackageNames) { 3851 if (ps.name.equals(uidPackageName)) { 3852 return false; 3853 } 3854 PackageSetting uidPs = mSettings.getPackageLPr(uidPackageName); 3855 if (uidPs != null) { 3856 final int index = ArrayUtils.indexOf(uidPs.usesStaticLibraries, 3857 libEntry.info.getName()); 3858 if (index < 0) { 3859 continue; 3860 } 3861 if (uidPs.pkg.usesStaticLibrariesVersions[index] == libEntry.info.getVersion()) { 3862 return false; 3863 } 3864 } 3865 } 3866 return true; 3867 } 3868 3869 @Override 3870 public String[] currentToCanonicalPackageNames(String[] names) { 3871 final int callingUid = Binder.getCallingUid(); 3872 if (getInstantAppPackageName(callingUid) != null) { 3873 return names; 3874 } 3875 final String[] out = new String[names.length]; 3876 // reader 3877 synchronized (mPackages) { 3878 final int callingUserId = UserHandle.getUserId(callingUid); 3879 final boolean canViewInstantApps = canViewInstantApps(callingUid, callingUserId); 3880 for (int i=names.length-1; i>=0; i--) { 3881 final PackageSetting ps = mSettings.mPackages.get(names[i]); 3882 boolean translateName = false; 3883 if (ps != null && ps.realName != null) { 3884 final boolean targetIsInstantApp = ps.getInstantApp(callingUserId); 3885 translateName = !targetIsInstantApp 3886 || canViewInstantApps 3887 || mInstantAppRegistry.isInstantAccessGranted(callingUserId, 3888 UserHandle.getAppId(callingUid), ps.appId); 3889 } 3890 out[i] = translateName ? ps.realName : names[i]; 3891 } 3892 } 3893 return out; 3894 } 3895 3896 @Override 3897 public String[] canonicalToCurrentPackageNames(String[] names) { 3898 final int callingUid = Binder.getCallingUid(); 3899 if (getInstantAppPackageName(callingUid) != null) { 3900 return names; 3901 } 3902 final String[] out = new String[names.length]; 3903 // reader 3904 synchronized (mPackages) { 3905 final int callingUserId = UserHandle.getUserId(callingUid); 3906 final boolean canViewInstantApps = canViewInstantApps(callingUid, callingUserId); 3907 for (int i=names.length-1; i>=0; i--) { 3908 final String cur = mSettings.getRenamedPackageLPr(names[i]); 3909 boolean translateName = false; 3910 if (cur != null) { 3911 final PackageSetting ps = mSettings.mPackages.get(names[i]); 3912 final boolean targetIsInstantApp = 3913 ps != null && ps.getInstantApp(callingUserId); 3914 translateName = !targetIsInstantApp 3915 || canViewInstantApps 3916 || mInstantAppRegistry.isInstantAccessGranted(callingUserId, 3917 UserHandle.getAppId(callingUid), ps.appId); 3918 } 3919 out[i] = translateName ? cur : names[i]; 3920 } 3921 } 3922 return out; 3923 } 3924 3925 @Override 3926 public int getPackageUid(String packageName, int flags, int userId) { 3927 if (!sUserManager.exists(userId)) return -1; 3928 final int callingUid = Binder.getCallingUid(); 3929 flags = updateFlagsForPackage(flags, userId, packageName); 3930 enforceCrossUserPermission(callingUid, userId, 3931 false /*requireFullPermission*/, false /*checkShell*/, "getPackageUid"); 3932 3933 // reader 3934 synchronized (mPackages) { 3935 final PackageParser.Package p = mPackages.get(packageName); 3936 if (p != null && p.isMatch(flags)) { 3937 PackageSetting ps = (PackageSetting) p.mExtras; 3938 if (filterAppAccessLPr(ps, callingUid, userId)) { 3939 return -1; 3940 } 3941 return UserHandle.getUid(userId, p.applicationInfo.uid); 3942 } 3943 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3944 final PackageSetting ps = mSettings.mPackages.get(packageName); 3945 if (ps != null && ps.isMatch(flags) 3946 && !filterAppAccessLPr(ps, callingUid, userId)) { 3947 return UserHandle.getUid(userId, ps.appId); 3948 } 3949 } 3950 } 3951 3952 return -1; 3953 } 3954 3955 @Override 3956 public int[] getPackageGids(String packageName, int flags, int userId) { 3957 if (!sUserManager.exists(userId)) return null; 3958 final int callingUid = Binder.getCallingUid(); 3959 flags = updateFlagsForPackage(flags, userId, packageName); 3960 enforceCrossUserPermission(callingUid, userId, 3961 false /*requireFullPermission*/, false /*checkShell*/, "getPackageGids"); 3962 3963 // reader 3964 synchronized (mPackages) { 3965 final PackageParser.Package p = mPackages.get(packageName); 3966 if (p != null && p.isMatch(flags)) { 3967 PackageSetting ps = (PackageSetting) p.mExtras; 3968 if (filterAppAccessLPr(ps, callingUid, userId)) { 3969 return null; 3970 } 3971 // TODO: Shouldn't this be checking for package installed state for userId and 3972 // return null? 3973 return ps.getPermissionsState().computeGids(userId); 3974 } 3975 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3976 final PackageSetting ps = mSettings.mPackages.get(packageName); 3977 if (ps != null && ps.isMatch(flags) 3978 && !filterAppAccessLPr(ps, callingUid, userId)) { 3979 return ps.getPermissionsState().computeGids(userId); 3980 } 3981 } 3982 } 3983 3984 return null; 3985 } 3986 3987 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3988 if (bp.perm != null) { 3989 return PackageParser.generatePermissionInfo(bp.perm, flags); 3990 } 3991 PermissionInfo pi = new PermissionInfo(); 3992 pi.name = bp.name; 3993 pi.packageName = bp.sourcePackage; 3994 pi.nonLocalizedLabel = bp.name; 3995 pi.protectionLevel = bp.protectionLevel; 3996 return pi; 3997 } 3998 3999 @Override 4000 public PermissionInfo getPermissionInfo(String name, int flags) { 4001 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 4002 return null; 4003 } 4004 // reader 4005 synchronized (mPackages) { 4006 final BasePermission p = mSettings.mPermissions.get(name); 4007 if (p != null) { 4008 return generatePermissionInfo(p, flags); 4009 } 4010 return null; 4011 } 4012 } 4013 4014 @Override 4015 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 4016 int flags) { 4017 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 4018 return null; 4019 } 4020 // reader 4021 synchronized (mPackages) { 4022 if (group != null && !mPermissionGroups.containsKey(group)) { 4023 // This is thrown as NameNotFoundException 4024 return null; 4025 } 4026 4027 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 4028 for (BasePermission p : mSettings.mPermissions.values()) { 4029 if (group == null) { 4030 if (p.perm == null || p.perm.info.group == null) { 4031 out.add(generatePermissionInfo(p, flags)); 4032 } 4033 } else { 4034 if (p.perm != null && group.equals(p.perm.info.group)) { 4035 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 4036 } 4037 } 4038 } 4039 return new ParceledListSlice<>(out); 4040 } 4041 } 4042 4043 @Override 4044 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 4045 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 4046 return null; 4047 } 4048 // reader 4049 synchronized (mPackages) { 4050 return PackageParser.generatePermissionGroupInfo( 4051 mPermissionGroups.get(name), flags); 4052 } 4053 } 4054 4055 @Override 4056 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 4057 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 4058 return ParceledListSlice.emptyList(); 4059 } 4060 // reader 4061 synchronized (mPackages) { 4062 final int N = mPermissionGroups.size(); 4063 ArrayList<PermissionGroupInfo> out 4064 = new ArrayList<PermissionGroupInfo>(N); 4065 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 4066 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 4067 } 4068 return new ParceledListSlice<>(out); 4069 } 4070 } 4071 4072 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 4073 int filterCallingUid, int userId) { 4074 if (!sUserManager.exists(userId)) return null; 4075 PackageSetting ps = mSettings.mPackages.get(packageName); 4076 if (ps != null) { 4077 if (filterSharedLibPackageLPr(ps, filterCallingUid, userId, flags)) { 4078 return null; 4079 } 4080 if (filterAppAccessLPr(ps, filterCallingUid, userId)) { 4081 return null; 4082 } 4083 if (ps.pkg == null) { 4084 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 4085 if (pInfo != null) { 4086 return pInfo.applicationInfo; 4087 } 4088 return null; 4089 } 4090 ApplicationInfo ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 4091 ps.readUserState(userId), userId); 4092 if (ai != null) { 4093 ai.packageName = resolveExternalPackageNameLPr(ps.pkg); 4094 } 4095 return ai; 4096 } 4097 return null; 4098 } 4099 4100 @Override 4101 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 4102 return getApplicationInfoInternal(packageName, flags, Binder.getCallingUid(), userId); 4103 } 4104 4105 /** 4106 * Important: The provided filterCallingUid is used exclusively to filter out applications 4107 * that can be seen based on user state. It's typically the original caller uid prior 4108 * to clearing. Because it can only be provided by trusted code, it's value can be 4109 * trusted and will be used as-is; unlike userId which will be validated by this method. 4110 */ 4111 private ApplicationInfo getApplicationInfoInternal(String packageName, int flags, 4112 int filterCallingUid, int userId) { 4113 if (!sUserManager.exists(userId)) return null; 4114 flags = updateFlagsForApplication(flags, userId, packageName); 4115 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4116 false /* requireFullPermission */, false /* checkShell */, "get application info"); 4117 4118 // writer 4119 synchronized (mPackages) { 4120 // Normalize package name to handle renamed packages and static libs 4121 packageName = resolveInternalPackageNameLPr(packageName, 4122 PackageManager.VERSION_CODE_HIGHEST); 4123 4124 PackageParser.Package p = mPackages.get(packageName); 4125 if (DEBUG_PACKAGE_INFO) Log.v( 4126 TAG, "getApplicationInfo " + packageName 4127 + ": " + p); 4128 if (p != null) { 4129 PackageSetting ps = mSettings.mPackages.get(packageName); 4130 if (ps == null) return null; 4131 if (filterSharedLibPackageLPr(ps, filterCallingUid, userId, flags)) { 4132 return null; 4133 } 4134 if (filterAppAccessLPr(ps, filterCallingUid, userId)) { 4135 return null; 4136 } 4137 // Note: isEnabledLP() does not apply here - always return info 4138 ApplicationInfo ai = PackageParser.generateApplicationInfo( 4139 p, flags, ps.readUserState(userId), userId); 4140 if (ai != null) { 4141 ai.packageName = resolveExternalPackageNameLPr(p); 4142 } 4143 return ai; 4144 } 4145 if ("android".equals(packageName)||"system".equals(packageName)) { 4146 return mAndroidApplication; 4147 } 4148 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 4149 // Already generates the external package name 4150 return generateApplicationInfoFromSettingsLPw(packageName, 4151 flags, filterCallingUid, userId); 4152 } 4153 } 4154 return null; 4155 } 4156 4157 private String normalizePackageNameLPr(String packageName) { 4158 String normalizedPackageName = mSettings.getRenamedPackageLPr(packageName); 4159 return normalizedPackageName != null ? normalizedPackageName : packageName; 4160 } 4161 4162 @Override 4163 public void deletePreloadsFileCache() { 4164 if (!UserHandle.isSameApp(Binder.getCallingUid(), Process.SYSTEM_UID)) { 4165 throw new SecurityException("Only system or settings may call deletePreloadsFileCache"); 4166 } 4167 File dir = Environment.getDataPreloadsFileCacheDirectory(); 4168 Slog.i(TAG, "Deleting preloaded file cache " + dir); 4169 FileUtils.deleteContents(dir); 4170 } 4171 4172 @Override 4173 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 4174 final int storageFlags, final IPackageDataObserver observer) { 4175 mContext.enforceCallingOrSelfPermission( 4176 android.Manifest.permission.CLEAR_APP_CACHE, null); 4177 mHandler.post(() -> { 4178 boolean success = false; 4179 try { 4180 freeStorage(volumeUuid, freeStorageSize, storageFlags); 4181 success = true; 4182 } catch (IOException e) { 4183 Slog.w(TAG, e); 4184 } 4185 if (observer != null) { 4186 try { 4187 observer.onRemoveCompleted(null, success); 4188 } catch (RemoteException e) { 4189 Slog.w(TAG, e); 4190 } 4191 } 4192 }); 4193 } 4194 4195 @Override 4196 public void freeStorage(final String volumeUuid, final long freeStorageSize, 4197 final int storageFlags, final IntentSender pi) { 4198 mContext.enforceCallingOrSelfPermission( 4199 android.Manifest.permission.CLEAR_APP_CACHE, TAG); 4200 mHandler.post(() -> { 4201 boolean success = false; 4202 try { 4203 freeStorage(volumeUuid, freeStorageSize, storageFlags); 4204 success = true; 4205 } catch (IOException e) { 4206 Slog.w(TAG, e); 4207 } 4208 if (pi != null) { 4209 try { 4210 pi.sendIntent(null, success ? 1 : 0, null, null, null); 4211 } catch (SendIntentException e) { 4212 Slog.w(TAG, e); 4213 } 4214 } 4215 }); 4216 } 4217 4218 /** 4219 * Blocking call to clear various types of cached data across the system 4220 * until the requested bytes are available. 4221 */ 4222 public void freeStorage(String volumeUuid, long bytes, int storageFlags) throws IOException { 4223 final StorageManager storage = mContext.getSystemService(StorageManager.class); 4224 final File file = storage.findPathForUuid(volumeUuid); 4225 if (file.getUsableSpace() >= bytes) return; 4226 4227 if (ENABLE_FREE_CACHE_V2) { 4228 final boolean internalVolume = Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, 4229 volumeUuid); 4230 final boolean aggressive = (storageFlags 4231 & StorageManager.FLAG_ALLOCATE_AGGRESSIVE) != 0; 4232 final boolean defyReserved = (storageFlags 4233 & StorageManager.FLAG_ALLOCATE_DEFY_RESERVED) != 0; 4234 final long reservedBytes = (aggressive || defyReserved) ? 0 4235 : storage.getStorageCacheBytes(file); 4236 4237 // 1. Pre-flight to determine if we have any chance to succeed 4238 // 2. Consider preloaded data (after 1w honeymoon, unless aggressive) 4239 if (internalVolume && (aggressive || SystemProperties 4240 .getBoolean("persist.sys.preloads.file_cache_expired", false))) { 4241 deletePreloadsFileCache(); 4242 if (file.getUsableSpace() >= bytes) return; 4243 } 4244 4245 // 3. Consider parsed APK data (aggressive only) 4246 if (internalVolume && aggressive) { 4247 FileUtils.deleteContents(mCacheDir); 4248 if (file.getUsableSpace() >= bytes) return; 4249 } 4250 4251 // 4. Consider cached app data (above quotas) 4252 try { 4253 mInstaller.freeCache(volumeUuid, bytes, reservedBytes, 4254 Installer.FLAG_FREE_CACHE_V2); 4255 } catch (InstallerException ignored) { 4256 } 4257 if (file.getUsableSpace() >= bytes) return; 4258 4259 // 5. Consider shared libraries with refcount=0 and age>min cache period 4260 if (internalVolume && pruneUnusedStaticSharedLibraries(bytes, 4261 android.provider.Settings.Global.getLong(mContext.getContentResolver(), 4262 Global.UNUSED_STATIC_SHARED_LIB_MIN_CACHE_PERIOD, 4263 DEFAULT_UNUSED_STATIC_SHARED_LIB_MIN_CACHE_PERIOD))) { 4264 return; 4265 } 4266 4267 // 6. Consider dexopt output (aggressive only) 4268 // TODO: Implement 4269 4270 // 7. Consider installed instant apps unused longer than min cache period 4271 if (internalVolume && mInstantAppRegistry.pruneInstalledInstantApps(bytes, 4272 android.provider.Settings.Global.getLong(mContext.getContentResolver(), 4273 Global.INSTALLED_INSTANT_APP_MIN_CACHE_PERIOD, 4274 InstantAppRegistry.DEFAULT_INSTALLED_INSTANT_APP_MIN_CACHE_PERIOD))) { 4275 return; 4276 } 4277 4278 // 8. Consider cached app data (below quotas) 4279 try { 4280 mInstaller.freeCache(volumeUuid, bytes, reservedBytes, 4281 Installer.FLAG_FREE_CACHE_V2 | Installer.FLAG_FREE_CACHE_V2_DEFY_QUOTA); 4282 } catch (InstallerException ignored) { 4283 } 4284 if (file.getUsableSpace() >= bytes) return; 4285 4286 // 9. Consider DropBox entries 4287 // TODO: Implement 4288 4289 // 10. Consider instant meta-data (uninstalled apps) older that min cache period 4290 if (internalVolume && mInstantAppRegistry.pruneUninstalledInstantApps(bytes, 4291 android.provider.Settings.Global.getLong(mContext.getContentResolver(), 4292 Global.UNINSTALLED_INSTANT_APP_MIN_CACHE_PERIOD, 4293 InstantAppRegistry.DEFAULT_UNINSTALLED_INSTANT_APP_MIN_CACHE_PERIOD))) { 4294 return; 4295 } 4296 } else { 4297 try { 4298 mInstaller.freeCache(volumeUuid, bytes, 0, 0); 4299 } catch (InstallerException ignored) { 4300 } 4301 if (file.getUsableSpace() >= bytes) return; 4302 } 4303 4304 throw new IOException("Failed to free " + bytes + " on storage device at " + file); 4305 } 4306 4307 private boolean pruneUnusedStaticSharedLibraries(long neededSpace, long maxCachePeriod) 4308 throws IOException { 4309 final StorageManager storage = mContext.getSystemService(StorageManager.class); 4310 final File volume = storage.findPathForUuid(StorageManager.UUID_PRIVATE_INTERNAL); 4311 4312 List<VersionedPackage> packagesToDelete = null; 4313 final long now = System.currentTimeMillis(); 4314 4315 synchronized (mPackages) { 4316 final int[] allUsers = sUserManager.getUserIds(); 4317 final int libCount = mSharedLibraries.size(); 4318 for (int i = 0; i < libCount; i++) { 4319 final SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 4320 if (versionedLib == null) { 4321 continue; 4322 } 4323 final int versionCount = versionedLib.size(); 4324 for (int j = 0; j < versionCount; j++) { 4325 SharedLibraryInfo libInfo = versionedLib.valueAt(j).info; 4326 // Skip packages that are not static shared libs. 4327 if (!libInfo.isStatic()) { 4328 break; 4329 } 4330 // Important: We skip static shared libs used for some user since 4331 // in such a case we need to keep the APK on the device. The check for 4332 // a lib being used for any user is performed by the uninstall call. 4333 final VersionedPackage declaringPackage = libInfo.getDeclaringPackage(); 4334 // Resolve the package name - we use synthetic package names internally 4335 final String internalPackageName = resolveInternalPackageNameLPr( 4336 declaringPackage.getPackageName(), declaringPackage.getVersionCode()); 4337 final PackageSetting ps = mSettings.getPackageLPr(internalPackageName); 4338 // Skip unused static shared libs cached less than the min period 4339 // to prevent pruning a lib needed by a subsequently installed package. 4340 if (ps == null || now - ps.lastUpdateTime < maxCachePeriod) { 4341 continue; 4342 } 4343 if (packagesToDelete == null) { 4344 packagesToDelete = new ArrayList<>(); 4345 } 4346 packagesToDelete.add(new VersionedPackage(internalPackageName, 4347 declaringPackage.getVersionCode())); 4348 } 4349 } 4350 } 4351 4352 if (packagesToDelete != null) { 4353 final int packageCount = packagesToDelete.size(); 4354 for (int i = 0; i < packageCount; i++) { 4355 final VersionedPackage pkgToDelete = packagesToDelete.get(i); 4356 // Delete the package synchronously (will fail of the lib used for any user). 4357 if (deletePackageX(pkgToDelete.getPackageName(), pkgToDelete.getVersionCode(), 4358 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS) 4359 == PackageManager.DELETE_SUCCEEDED) { 4360 if (volume.getUsableSpace() >= neededSpace) { 4361 return true; 4362 } 4363 } 4364 } 4365 } 4366 4367 return false; 4368 } 4369 4370 /** 4371 * Update given flags based on encryption status of current user. 4372 */ 4373 private int updateFlags(int flags, int userId) { 4374 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 4375 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 4376 // Caller expressed an explicit opinion about what encryption 4377 // aware/unaware components they want to see, so fall through and 4378 // give them what they want 4379 } else { 4380 // Caller expressed no opinion, so match based on user state 4381 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 4382 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 4383 } else { 4384 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 4385 } 4386 } 4387 return flags; 4388 } 4389 4390 private UserManagerInternal getUserManagerInternal() { 4391 if (mUserManagerInternal == null) { 4392 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 4393 } 4394 return mUserManagerInternal; 4395 } 4396 4397 private DeviceIdleController.LocalService getDeviceIdleController() { 4398 if (mDeviceIdleController == null) { 4399 mDeviceIdleController = 4400 LocalServices.getService(DeviceIdleController.LocalService.class); 4401 } 4402 return mDeviceIdleController; 4403 } 4404 4405 /** 4406 * Update given flags when being used to request {@link PackageInfo}. 4407 */ 4408 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 4409 final boolean isCallerSystemUser = UserHandle.getCallingUserId() == UserHandle.USER_SYSTEM; 4410 boolean triaged = true; 4411 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 4412 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 4413 // Caller is asking for component details, so they'd better be 4414 // asking for specific encryption matching behavior, or be triaged 4415 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 4416 | PackageManager.MATCH_DIRECT_BOOT_AWARE 4417 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 4418 triaged = false; 4419 } 4420 } 4421 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 4422 | PackageManager.MATCH_SYSTEM_ONLY 4423 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 4424 triaged = false; 4425 } 4426 if ((flags & PackageManager.MATCH_ANY_USER) != 0) { 4427 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 4428 "MATCH_ANY_USER flag requires INTERACT_ACROSS_USERS permission at " 4429 + Debug.getCallers(5)); 4430 } else if ((flags & PackageManager.MATCH_UNINSTALLED_PACKAGES) != 0 && isCallerSystemUser 4431 && sUserManager.hasManagedProfile(UserHandle.USER_SYSTEM)) { 4432 // If the caller wants all packages and has a restricted profile associated with it, 4433 // then match all users. This is to make sure that launchers that need to access work 4434 // profile apps don't start breaking. TODO: Remove this hack when launchers stop using 4435 // MATCH_UNINSTALLED_PACKAGES to query apps in other profiles. b/31000380 4436 flags |= PackageManager.MATCH_ANY_USER; 4437 } 4438 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 4439 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 4440 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 4441 } 4442 return updateFlags(flags, userId); 4443 } 4444 4445 /** 4446 * Update given flags when being used to request {@link ApplicationInfo}. 4447 */ 4448 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 4449 return updateFlagsForPackage(flags, userId, cookie); 4450 } 4451 4452 /** 4453 * Update given flags when being used to request {@link ComponentInfo}. 4454 */ 4455 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 4456 if (cookie instanceof Intent) { 4457 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 4458 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 4459 } 4460 } 4461 4462 boolean triaged = true; 4463 // Caller is asking for component details, so they'd better be 4464 // asking for specific encryption matching behavior, or be triaged 4465 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 4466 | PackageManager.MATCH_DIRECT_BOOT_AWARE 4467 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 4468 triaged = false; 4469 } 4470 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 4471 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 4472 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 4473 } 4474 4475 return updateFlags(flags, userId); 4476 } 4477 4478 /** 4479 * Update given intent when being used to request {@link ResolveInfo}. 4480 */ 4481 private Intent updateIntentForResolve(Intent intent) { 4482 if (intent.getSelector() != null) { 4483 intent = intent.getSelector(); 4484 } 4485 if (DEBUG_PREFERRED) { 4486 intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4487 } 4488 return intent; 4489 } 4490 4491 /** 4492 * Update given flags when being used to request {@link ResolveInfo}. 4493 * <p>Instant apps are resolved specially, depending upon context. Minimally, 4494 * {@code}flags{@code} must have the {@link PackageManager#MATCH_INSTANT} 4495 * flag set. However, this flag is only honoured in three circumstances: 4496 * <ul> 4497 * <li>when called from a system process</li> 4498 * <li>when the caller holds the permission {@code android.permission.ACCESS_INSTANT_APPS}</li> 4499 * <li>when resolution occurs to start an activity with a {@code android.intent.action.VIEW} 4500 * action and a {@code android.intent.category.BROWSABLE} category</li> 4501 * </ul> 4502 */ 4503 int updateFlagsForResolve(int flags, int userId, Intent intent, int callingUid) { 4504 return updateFlagsForResolve(flags, userId, intent, callingUid, 4505 false /*wantInstantApps*/, false /*onlyExposedExplicitly*/); 4506 } 4507 int updateFlagsForResolve(int flags, int userId, Intent intent, int callingUid, 4508 boolean wantInstantApps) { 4509 return updateFlagsForResolve(flags, userId, intent, callingUid, 4510 wantInstantApps, false /*onlyExposedExplicitly*/); 4511 } 4512 int updateFlagsForResolve(int flags, int userId, Intent intent, int callingUid, 4513 boolean wantInstantApps, boolean onlyExposedExplicitly) { 4514 // Safe mode means we shouldn't match any third-party components 4515 if (mSafeMode) { 4516 flags |= PackageManager.MATCH_SYSTEM_ONLY; 4517 } 4518 if (getInstantAppPackageName(callingUid) != null) { 4519 // But, ephemeral apps see both ephemeral and exposed, non-ephemeral components 4520 if (onlyExposedExplicitly) { 4521 flags |= PackageManager.MATCH_EXPLICITLY_VISIBLE_ONLY; 4522 } 4523 flags |= PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY; 4524 flags |= PackageManager.MATCH_INSTANT; 4525 } else { 4526 final boolean wantMatchInstant = (flags & PackageManager.MATCH_INSTANT) != 0; 4527 final boolean allowMatchInstant = 4528 (wantInstantApps 4529 && Intent.ACTION_VIEW.equals(intent.getAction()) 4530 && hasWebURI(intent)) 4531 || (wantMatchInstant && canViewInstantApps(callingUid, userId)); 4532 flags &= ~(PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY 4533 | PackageManager.MATCH_EXPLICITLY_VISIBLE_ONLY); 4534 if (!allowMatchInstant) { 4535 flags &= ~PackageManager.MATCH_INSTANT; 4536 } 4537 } 4538 return updateFlagsForComponent(flags, userId, intent /*cookie*/); 4539 } 4540 4541 @Override 4542 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 4543 return getActivityInfoInternal(component, flags, Binder.getCallingUid(), userId); 4544 } 4545 4546 /** 4547 * Important: The provided filterCallingUid is used exclusively to filter out activities 4548 * that can be seen based on user state. It's typically the original caller uid prior 4549 * to clearing. Because it can only be provided by trusted code, it's value can be 4550 * trusted and will be used as-is; unlike userId which will be validated by this method. 4551 */ 4552 private ActivityInfo getActivityInfoInternal(ComponentName component, int flags, 4553 int filterCallingUid, int userId) { 4554 if (!sUserManager.exists(userId)) return null; 4555 flags = updateFlagsForComponent(flags, userId, component); 4556 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4557 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 4558 synchronized (mPackages) { 4559 PackageParser.Activity a = mActivities.mActivities.get(component); 4560 4561 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 4562 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 4563 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4564 if (ps == null) return null; 4565 if (filterAppAccessLPr(ps, filterCallingUid, component, TYPE_ACTIVITY, userId)) { 4566 return null; 4567 } 4568 return PackageParser.generateActivityInfo( 4569 a, flags, ps.readUserState(userId), userId); 4570 } 4571 if (mResolveComponentName.equals(component)) { 4572 return PackageParser.generateActivityInfo( 4573 mResolveActivity, flags, new PackageUserState(), userId); 4574 } 4575 } 4576 return null; 4577 } 4578 4579 @Override 4580 public boolean activitySupportsIntent(ComponentName component, Intent intent, 4581 String resolvedType) { 4582 synchronized (mPackages) { 4583 if (component.equals(mResolveComponentName)) { 4584 // The resolver supports EVERYTHING! 4585 return true; 4586 } 4587 final int callingUid = Binder.getCallingUid(); 4588 final int callingUserId = UserHandle.getUserId(callingUid); 4589 PackageParser.Activity a = mActivities.mActivities.get(component); 4590 if (a == null) { 4591 return false; 4592 } 4593 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4594 if (ps == null) { 4595 return false; 4596 } 4597 if (filterAppAccessLPr(ps, callingUid, component, TYPE_ACTIVITY, callingUserId)) { 4598 return false; 4599 } 4600 for (int i=0; i<a.intents.size(); i++) { 4601 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 4602 intent.getData(), intent.getCategories(), TAG) >= 0) { 4603 return true; 4604 } 4605 } 4606 return false; 4607 } 4608 } 4609 4610 @Override 4611 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 4612 if (!sUserManager.exists(userId)) return null; 4613 final int callingUid = Binder.getCallingUid(); 4614 flags = updateFlagsForComponent(flags, userId, component); 4615 enforceCrossUserPermission(callingUid, userId, 4616 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 4617 synchronized (mPackages) { 4618 PackageParser.Activity a = mReceivers.mActivities.get(component); 4619 if (DEBUG_PACKAGE_INFO) Log.v( 4620 TAG, "getReceiverInfo " + component + ": " + a); 4621 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 4622 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4623 if (ps == null) return null; 4624 if (filterAppAccessLPr(ps, callingUid, component, TYPE_RECEIVER, userId)) { 4625 return null; 4626 } 4627 return PackageParser.generateActivityInfo( 4628 a, flags, ps.readUserState(userId), userId); 4629 } 4630 } 4631 return null; 4632 } 4633 4634 @Override 4635 public ParceledListSlice<SharedLibraryInfo> getSharedLibraries(String packageName, 4636 int flags, int userId) { 4637 if (!sUserManager.exists(userId)) return null; 4638 Preconditions.checkArgumentNonnegative(userId, "userId must be >= 0"); 4639 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 4640 return null; 4641 } 4642 4643 flags = updateFlagsForPackage(flags, userId, null); 4644 4645 final boolean canSeeStaticLibraries = 4646 mContext.checkCallingOrSelfPermission(INSTALL_PACKAGES) 4647 == PERMISSION_GRANTED 4648 || mContext.checkCallingOrSelfPermission(DELETE_PACKAGES) 4649 == PERMISSION_GRANTED 4650 || canRequestPackageInstallsInternal(packageName, 4651 PackageManager.MATCH_STATIC_SHARED_LIBRARIES, userId, 4652 false /* throwIfPermNotDeclared*/) 4653 || mContext.checkCallingOrSelfPermission(REQUEST_DELETE_PACKAGES) 4654 == PERMISSION_GRANTED; 4655 4656 synchronized (mPackages) { 4657 List<SharedLibraryInfo> result = null; 4658 4659 final int libCount = mSharedLibraries.size(); 4660 for (int i = 0; i < libCount; i++) { 4661 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 4662 if (versionedLib == null) { 4663 continue; 4664 } 4665 4666 final int versionCount = versionedLib.size(); 4667 for (int j = 0; j < versionCount; j++) { 4668 SharedLibraryInfo libInfo = versionedLib.valueAt(j).info; 4669 if (!canSeeStaticLibraries && libInfo.isStatic()) { 4670 break; 4671 } 4672 final long identity = Binder.clearCallingIdentity(); 4673 try { 4674 PackageInfo packageInfo = getPackageInfoVersioned( 4675 libInfo.getDeclaringPackage(), flags 4676 | PackageManager.MATCH_STATIC_SHARED_LIBRARIES, userId); 4677 if (packageInfo == null) { 4678 continue; 4679 } 4680 } finally { 4681 Binder.restoreCallingIdentity(identity); 4682 } 4683 4684 SharedLibraryInfo resLibInfo = new SharedLibraryInfo(libInfo.getName(), 4685 libInfo.getVersion(), libInfo.getType(), 4686 libInfo.getDeclaringPackage(), getPackagesUsingSharedLibraryLPr(libInfo, 4687 flags, userId)); 4688 4689 if (result == null) { 4690 result = new ArrayList<>(); 4691 } 4692 result.add(resLibInfo); 4693 } 4694 } 4695 4696 return result != null ? new ParceledListSlice<>(result) : null; 4697 } 4698 } 4699 4700 private List<VersionedPackage> getPackagesUsingSharedLibraryLPr( 4701 SharedLibraryInfo libInfo, int flags, int userId) { 4702 List<VersionedPackage> versionedPackages = null; 4703 final int packageCount = mSettings.mPackages.size(); 4704 for (int i = 0; i < packageCount; i++) { 4705 PackageSetting ps = mSettings.mPackages.valueAt(i); 4706 4707 if (ps == null) { 4708 continue; 4709 } 4710 4711 if (!ps.getUserState().get(userId).isAvailable(flags)) { 4712 continue; 4713 } 4714 4715 final String libName = libInfo.getName(); 4716 if (libInfo.isStatic()) { 4717 final int libIdx = ArrayUtils.indexOf(ps.usesStaticLibraries, libName); 4718 if (libIdx < 0) { 4719 continue; 4720 } 4721 if (ps.usesStaticLibrariesVersions[libIdx] != libInfo.getVersion()) { 4722 continue; 4723 } 4724 if (versionedPackages == null) { 4725 versionedPackages = new ArrayList<>(); 4726 } 4727 // If the dependent is a static shared lib, use the public package name 4728 String dependentPackageName = ps.name; 4729 if (ps.pkg != null && ps.pkg.applicationInfo.isStaticSharedLibrary()) { 4730 dependentPackageName = ps.pkg.manifestPackageName; 4731 } 4732 versionedPackages.add(new VersionedPackage(dependentPackageName, ps.versionCode)); 4733 } else if (ps.pkg != null) { 4734 if (ArrayUtils.contains(ps.pkg.usesLibraries, libName) 4735 || ArrayUtils.contains(ps.pkg.usesOptionalLibraries, libName)) { 4736 if (versionedPackages == null) { 4737 versionedPackages = new ArrayList<>(); 4738 } 4739 versionedPackages.add(new VersionedPackage(ps.name, ps.versionCode)); 4740 } 4741 } 4742 } 4743 4744 return versionedPackages; 4745 } 4746 4747 @Override 4748 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 4749 if (!sUserManager.exists(userId)) return null; 4750 final int callingUid = Binder.getCallingUid(); 4751 flags = updateFlagsForComponent(flags, userId, component); 4752 enforceCrossUserPermission(callingUid, userId, 4753 false /* requireFullPermission */, false /* checkShell */, "get service info"); 4754 synchronized (mPackages) { 4755 PackageParser.Service s = mServices.mServices.get(component); 4756 if (DEBUG_PACKAGE_INFO) Log.v( 4757 TAG, "getServiceInfo " + component + ": " + s); 4758 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 4759 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4760 if (ps == null) return null; 4761 if (filterAppAccessLPr(ps, callingUid, component, TYPE_SERVICE, userId)) { 4762 return null; 4763 } 4764 return PackageParser.generateServiceInfo( 4765 s, flags, ps.readUserState(userId), userId); 4766 } 4767 } 4768 return null; 4769 } 4770 4771 @Override 4772 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 4773 if (!sUserManager.exists(userId)) return null; 4774 final int callingUid = Binder.getCallingUid(); 4775 flags = updateFlagsForComponent(flags, userId, component); 4776 enforceCrossUserPermission(callingUid, userId, 4777 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 4778 synchronized (mPackages) { 4779 PackageParser.Provider p = mProviders.mProviders.get(component); 4780 if (DEBUG_PACKAGE_INFO) Log.v( 4781 TAG, "getProviderInfo " + component + ": " + p); 4782 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 4783 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4784 if (ps == null) return null; 4785 if (filterAppAccessLPr(ps, callingUid, component, TYPE_PROVIDER, userId)) { 4786 return null; 4787 } 4788 return PackageParser.generateProviderInfo( 4789 p, flags, ps.readUserState(userId), userId); 4790 } 4791 } 4792 return null; 4793 } 4794 4795 @Override 4796 public String[] getSystemSharedLibraryNames() { 4797 // allow instant applications 4798 synchronized (mPackages) { 4799 Set<String> libs = null; 4800 final int libCount = mSharedLibraries.size(); 4801 for (int i = 0; i < libCount; i++) { 4802 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 4803 if (versionedLib == null) { 4804 continue; 4805 } 4806 final int versionCount = versionedLib.size(); 4807 for (int j = 0; j < versionCount; j++) { 4808 SharedLibraryEntry libEntry = versionedLib.valueAt(j); 4809 if (!libEntry.info.isStatic()) { 4810 if (libs == null) { 4811 libs = new ArraySet<>(); 4812 } 4813 libs.add(libEntry.info.getName()); 4814 break; 4815 } 4816 PackageSetting ps = mSettings.getPackageLPr(libEntry.apk); 4817 if (ps != null && !filterSharedLibPackageLPr(ps, Binder.getCallingUid(), 4818 UserHandle.getUserId(Binder.getCallingUid()), 4819 PackageManager.MATCH_STATIC_SHARED_LIBRARIES)) { 4820 if (libs == null) { 4821 libs = new ArraySet<>(); 4822 } 4823 libs.add(libEntry.info.getName()); 4824 break; 4825 } 4826 } 4827 } 4828 4829 if (libs != null) { 4830 String[] libsArray = new String[libs.size()]; 4831 libs.toArray(libsArray); 4832 return libsArray; 4833 } 4834 4835 return null; 4836 } 4837 } 4838 4839 @Override 4840 public @NonNull String getServicesSystemSharedLibraryPackageName() { 4841 // allow instant applications 4842 synchronized (mPackages) { 4843 return mServicesSystemSharedLibraryPackageName; 4844 } 4845 } 4846 4847 @Override 4848 public @NonNull String getSharedSystemSharedLibraryPackageName() { 4849 // allow instant applications 4850 synchronized (mPackages) { 4851 return mSharedSystemSharedLibraryPackageName; 4852 } 4853 } 4854 4855 private void updateSequenceNumberLP(PackageSetting pkgSetting, int[] userList) { 4856 for (int i = userList.length - 1; i >= 0; --i) { 4857 final int userId = userList[i]; 4858 // don't add instant app to the list of updates 4859 if (pkgSetting.getInstantApp(userId)) { 4860 continue; 4861 } 4862 SparseArray<String> changedPackages = mChangedPackages.get(userId); 4863 if (changedPackages == null) { 4864 changedPackages = new SparseArray<>(); 4865 mChangedPackages.put(userId, changedPackages); 4866 } 4867 Map<String, Integer> sequenceNumbers = mChangedPackagesSequenceNumbers.get(userId); 4868 if (sequenceNumbers == null) { 4869 sequenceNumbers = new HashMap<>(); 4870 mChangedPackagesSequenceNumbers.put(userId, sequenceNumbers); 4871 } 4872 final Integer sequenceNumber = sequenceNumbers.get(pkgSetting.name); 4873 if (sequenceNumber != null) { 4874 changedPackages.remove(sequenceNumber); 4875 } 4876 changedPackages.put(mChangedPackagesSequenceNumber, pkgSetting.name); 4877 sequenceNumbers.put(pkgSetting.name, mChangedPackagesSequenceNumber); 4878 } 4879 mChangedPackagesSequenceNumber++; 4880 } 4881 4882 @Override 4883 public ChangedPackages getChangedPackages(int sequenceNumber, int userId) { 4884 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 4885 return null; 4886 } 4887 synchronized (mPackages) { 4888 if (sequenceNumber >= mChangedPackagesSequenceNumber) { 4889 return null; 4890 } 4891 final SparseArray<String> changedPackages = mChangedPackages.get(userId); 4892 if (changedPackages == null) { 4893 return null; 4894 } 4895 final List<String> packageNames = 4896 new ArrayList<>(mChangedPackagesSequenceNumber - sequenceNumber); 4897 for (int i = sequenceNumber; i < mChangedPackagesSequenceNumber; i++) { 4898 final String packageName = changedPackages.get(i); 4899 if (packageName != null) { 4900 packageNames.add(packageName); 4901 } 4902 } 4903 return packageNames.isEmpty() 4904 ? null : new ChangedPackages(mChangedPackagesSequenceNumber, packageNames); 4905 } 4906 } 4907 4908 @Override 4909 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 4910 // allow instant applications 4911 ArrayList<FeatureInfo> res; 4912 synchronized (mAvailableFeatures) { 4913 res = new ArrayList<>(mAvailableFeatures.size() + 1); 4914 res.addAll(mAvailableFeatures.values()); 4915 } 4916 final FeatureInfo fi = new FeatureInfo(); 4917 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 4918 FeatureInfo.GL_ES_VERSION_UNDEFINED); 4919 res.add(fi); 4920 4921 return new ParceledListSlice<>(res); 4922 } 4923 4924 @Override 4925 public boolean hasSystemFeature(String name, int version) { 4926 // allow instant applications 4927 synchronized (mAvailableFeatures) { 4928 final FeatureInfo feat = mAvailableFeatures.get(name); 4929 if (feat == null) { 4930 return false; 4931 } else { 4932 return feat.version >= version; 4933 } 4934 } 4935 } 4936 4937 @Override 4938 public int checkPermission(String permName, String pkgName, int userId) { 4939 if (!sUserManager.exists(userId)) { 4940 return PackageManager.PERMISSION_DENIED; 4941 } 4942 final int callingUid = Binder.getCallingUid(); 4943 4944 synchronized (mPackages) { 4945 final PackageParser.Package p = mPackages.get(pkgName); 4946 if (p != null && p.mExtras != null) { 4947 final PackageSetting ps = (PackageSetting) p.mExtras; 4948 if (filterAppAccessLPr(ps, callingUid, userId)) { 4949 return PackageManager.PERMISSION_DENIED; 4950 } 4951 final boolean instantApp = ps.getInstantApp(userId); 4952 final PermissionsState permissionsState = ps.getPermissionsState(); 4953 if (permissionsState.hasPermission(permName, userId)) { 4954 if (instantApp) { 4955 BasePermission bp = mSettings.mPermissions.get(permName); 4956 if (bp != null && bp.isInstant()) { 4957 return PackageManager.PERMISSION_GRANTED; 4958 } 4959 } else { 4960 return PackageManager.PERMISSION_GRANTED; 4961 } 4962 } 4963 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 4964 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 4965 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 4966 return PackageManager.PERMISSION_GRANTED; 4967 } 4968 } 4969 } 4970 4971 return PackageManager.PERMISSION_DENIED; 4972 } 4973 4974 @Override 4975 public int checkUidPermission(String permName, int uid) { 4976 final int callingUid = Binder.getCallingUid(); 4977 final int callingUserId = UserHandle.getUserId(callingUid); 4978 final boolean isCallerInstantApp = getInstantAppPackageName(callingUid) != null; 4979 final boolean isUidInstantApp = getInstantAppPackageName(uid) != null; 4980 final int userId = UserHandle.getUserId(uid); 4981 if (!sUserManager.exists(userId)) { 4982 return PackageManager.PERMISSION_DENIED; 4983 } 4984 4985 synchronized (mPackages) { 4986 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4987 if (obj != null) { 4988 if (obj instanceof SharedUserSetting) { 4989 if (isCallerInstantApp) { 4990 return PackageManager.PERMISSION_DENIED; 4991 } 4992 } else if (obj instanceof PackageSetting) { 4993 final PackageSetting ps = (PackageSetting) obj; 4994 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 4995 return PackageManager.PERMISSION_DENIED; 4996 } 4997 } 4998 final SettingBase settingBase = (SettingBase) obj; 4999 final PermissionsState permissionsState = settingBase.getPermissionsState(); 5000 if (permissionsState.hasPermission(permName, userId)) { 5001 if (isUidInstantApp) { 5002 BasePermission bp = mSettings.mPermissions.get(permName); 5003 if (bp != null && bp.isInstant()) { 5004 return PackageManager.PERMISSION_GRANTED; 5005 } 5006 } else { 5007 return PackageManager.PERMISSION_GRANTED; 5008 } 5009 } 5010 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 5011 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 5012 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 5013 return PackageManager.PERMISSION_GRANTED; 5014 } 5015 } else { 5016 ArraySet<String> perms = mSystemPermissions.get(uid); 5017 if (perms != null) { 5018 if (perms.contains(permName)) { 5019 return PackageManager.PERMISSION_GRANTED; 5020 } 5021 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 5022 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 5023 return PackageManager.PERMISSION_GRANTED; 5024 } 5025 } 5026 } 5027 } 5028 5029 return PackageManager.PERMISSION_DENIED; 5030 } 5031 5032 @Override 5033 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 5034 if (UserHandle.getCallingUserId() != userId) { 5035 mContext.enforceCallingPermission( 5036 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 5037 "isPermissionRevokedByPolicy for user " + userId); 5038 } 5039 5040 if (checkPermission(permission, packageName, userId) 5041 == PackageManager.PERMISSION_GRANTED) { 5042 return false; 5043 } 5044 5045 final int callingUid = Binder.getCallingUid(); 5046 if (getInstantAppPackageName(callingUid) != null) { 5047 if (!isCallerSameApp(packageName, callingUid)) { 5048 return false; 5049 } 5050 } else { 5051 if (isInstantApp(packageName, userId)) { 5052 return false; 5053 } 5054 } 5055 5056 final long identity = Binder.clearCallingIdentity(); 5057 try { 5058 final int flags = getPermissionFlags(permission, packageName, userId); 5059 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 5060 } finally { 5061 Binder.restoreCallingIdentity(identity); 5062 } 5063 } 5064 5065 @Override 5066 public String getPermissionControllerPackageName() { 5067 synchronized (mPackages) { 5068 return mRequiredInstallerPackage; 5069 } 5070 } 5071 5072 /** 5073 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 5074 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 5075 * @param checkShell whether to prevent shell from access if there's a debugging restriction 5076 * @param message the message to log on security exception 5077 */ 5078 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 5079 boolean checkShell, String message) { 5080 if (userId < 0) { 5081 throw new IllegalArgumentException("Invalid userId " + userId); 5082 } 5083 if (checkShell) { 5084 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 5085 } 5086 if (userId == UserHandle.getUserId(callingUid)) return; 5087 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 5088 if (requireFullPermission) { 5089 mContext.enforceCallingOrSelfPermission( 5090 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 5091 } else { 5092 try { 5093 mContext.enforceCallingOrSelfPermission( 5094 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 5095 } catch (SecurityException se) { 5096 mContext.enforceCallingOrSelfPermission( 5097 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 5098 } 5099 } 5100 } 5101 } 5102 5103 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 5104 if (callingUid == Process.SHELL_UID) { 5105 if (userHandle >= 0 5106 && sUserManager.hasUserRestriction(restriction, userHandle)) { 5107 throw new SecurityException("Shell does not have permission to access user " 5108 + userHandle); 5109 } else if (userHandle < 0) { 5110 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 5111 + Debug.getCallers(3)); 5112 } 5113 } 5114 } 5115 5116 private BasePermission findPermissionTreeLP(String permName) { 5117 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 5118 if (permName.startsWith(bp.name) && 5119 permName.length() > bp.name.length() && 5120 permName.charAt(bp.name.length()) == '.') { 5121 return bp; 5122 } 5123 } 5124 return null; 5125 } 5126 5127 private BasePermission checkPermissionTreeLP(String permName) { 5128 if (permName != null) { 5129 BasePermission bp = findPermissionTreeLP(permName); 5130 if (bp != null) { 5131 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 5132 return bp; 5133 } 5134 throw new SecurityException("Calling uid " 5135 + Binder.getCallingUid() 5136 + " is not allowed to add to permission tree " 5137 + bp.name + " owned by uid " + bp.uid); 5138 } 5139 } 5140 throw new SecurityException("No permission tree found for " + permName); 5141 } 5142 5143 static boolean compareStrings(CharSequence s1, CharSequence s2) { 5144 if (s1 == null) { 5145 return s2 == null; 5146 } 5147 if (s2 == null) { 5148 return false; 5149 } 5150 if (s1.getClass() != s2.getClass()) { 5151 return false; 5152 } 5153 return s1.equals(s2); 5154 } 5155 5156 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 5157 if (pi1.icon != pi2.icon) return false; 5158 if (pi1.logo != pi2.logo) return false; 5159 if (pi1.protectionLevel != pi2.protectionLevel) return false; 5160 if (!compareStrings(pi1.name, pi2.name)) return false; 5161 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 5162 // We'll take care of setting this one. 5163 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 5164 // These are not currently stored in settings. 5165 //if (!compareStrings(pi1.group, pi2.group)) return false; 5166 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 5167 //if (pi1.labelRes != pi2.labelRes) return false; 5168 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 5169 return true; 5170 } 5171 5172 int permissionInfoFootprint(PermissionInfo info) { 5173 int size = info.name.length(); 5174 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 5175 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 5176 return size; 5177 } 5178 5179 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 5180 int size = 0; 5181 for (BasePermission perm : mSettings.mPermissions.values()) { 5182 if (perm.uid == tree.uid) { 5183 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 5184 } 5185 } 5186 return size; 5187 } 5188 5189 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 5190 // We calculate the max size of permissions defined by this uid and throw 5191 // if that plus the size of 'info' would exceed our stated maximum. 5192 if (tree.uid != Process.SYSTEM_UID) { 5193 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 5194 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 5195 throw new SecurityException("Permission tree size cap exceeded"); 5196 } 5197 } 5198 } 5199 5200 boolean addPermissionLocked(PermissionInfo info, boolean async) { 5201 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 5202 throw new SecurityException("Instant apps can't add permissions"); 5203 } 5204 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 5205 throw new SecurityException("Label must be specified in permission"); 5206 } 5207 BasePermission tree = checkPermissionTreeLP(info.name); 5208 BasePermission bp = mSettings.mPermissions.get(info.name); 5209 boolean added = bp == null; 5210 boolean changed = true; 5211 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 5212 if (added) { 5213 enforcePermissionCapLocked(info, tree); 5214 bp = new BasePermission(info.name, tree.sourcePackage, 5215 BasePermission.TYPE_DYNAMIC); 5216 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 5217 throw new SecurityException( 5218 "Not allowed to modify non-dynamic permission " 5219 + info.name); 5220 } else { 5221 if (bp.protectionLevel == fixedLevel 5222 && bp.perm.owner.equals(tree.perm.owner) 5223 && bp.uid == tree.uid 5224 && comparePermissionInfos(bp.perm.info, info)) { 5225 changed = false; 5226 } 5227 } 5228 bp.protectionLevel = fixedLevel; 5229 info = new PermissionInfo(info); 5230 info.protectionLevel = fixedLevel; 5231 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 5232 bp.perm.info.packageName = tree.perm.info.packageName; 5233 bp.uid = tree.uid; 5234 if (added) { 5235 mSettings.mPermissions.put(info.name, bp); 5236 } 5237 if (changed) { 5238 if (!async) { 5239 mSettings.writeLPr(); 5240 } else { 5241 scheduleWriteSettingsLocked(); 5242 } 5243 } 5244 return added; 5245 } 5246 5247 @Override 5248 public boolean addPermission(PermissionInfo info) { 5249 synchronized (mPackages) { 5250 return addPermissionLocked(info, false); 5251 } 5252 } 5253 5254 @Override 5255 public boolean addPermissionAsync(PermissionInfo info) { 5256 synchronized (mPackages) { 5257 return addPermissionLocked(info, true); 5258 } 5259 } 5260 5261 @Override 5262 public void removePermission(String name) { 5263 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 5264 throw new SecurityException("Instant applications don't have access to this method"); 5265 } 5266 synchronized (mPackages) { 5267 checkPermissionTreeLP(name); 5268 BasePermission bp = mSettings.mPermissions.get(name); 5269 if (bp != null) { 5270 if (bp.type != BasePermission.TYPE_DYNAMIC) { 5271 throw new SecurityException( 5272 "Not allowed to modify non-dynamic permission " 5273 + name); 5274 } 5275 mSettings.mPermissions.remove(name); 5276 mSettings.writeLPr(); 5277 } 5278 } 5279 } 5280 5281 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission( 5282 PackageParser.Package pkg, BasePermission bp) { 5283 int index = pkg.requestedPermissions.indexOf(bp.name); 5284 if (index == -1) { 5285 throw new SecurityException("Package " + pkg.packageName 5286 + " has not requested permission " + bp.name); 5287 } 5288 if (!bp.isRuntime() && !bp.isDevelopment()) { 5289 throw new SecurityException("Permission " + bp.name 5290 + " is not a changeable permission type"); 5291 } 5292 } 5293 5294 @Override 5295 public void grantRuntimePermission(String packageName, String name, final int userId) { 5296 grantRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 5297 } 5298 5299 private void grantRuntimePermission(String packageName, String name, final int userId, 5300 boolean overridePolicy) { 5301 if (!sUserManager.exists(userId)) { 5302 Log.e(TAG, "No such user:" + userId); 5303 return; 5304 } 5305 final int callingUid = Binder.getCallingUid(); 5306 5307 mContext.enforceCallingOrSelfPermission( 5308 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 5309 "grantRuntimePermission"); 5310 5311 enforceCrossUserPermission(callingUid, userId, 5312 true /* requireFullPermission */, true /* checkShell */, 5313 "grantRuntimePermission"); 5314 5315 final int uid; 5316 final PackageSetting ps; 5317 5318 synchronized (mPackages) { 5319 final PackageParser.Package pkg = mPackages.get(packageName); 5320 if (pkg == null) { 5321 throw new IllegalArgumentException("Unknown package: " + packageName); 5322 } 5323 final BasePermission bp = mSettings.mPermissions.get(name); 5324 if (bp == null) { 5325 throw new IllegalArgumentException("Unknown permission: " + name); 5326 } 5327 ps = (PackageSetting) pkg.mExtras; 5328 if (ps == null 5329 || filterAppAccessLPr(ps, callingUid, userId)) { 5330 throw new IllegalArgumentException("Unknown package: " + packageName); 5331 } 5332 5333 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 5334 5335 // If a permission review is required for legacy apps we represent 5336 // their permissions as always granted runtime ones since we need 5337 // to keep the review required permission flag per user while an 5338 // install permission's state is shared across all users. 5339 if (mPermissionReviewRequired 5340 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 5341 && bp.isRuntime()) { 5342 return; 5343 } 5344 5345 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 5346 5347 final PermissionsState permissionsState = ps.getPermissionsState(); 5348 5349 final int flags = permissionsState.getPermissionFlags(name, userId); 5350 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 5351 throw new SecurityException("Cannot grant system fixed permission " 5352 + name + " for package " + packageName); 5353 } 5354 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 5355 throw new SecurityException("Cannot grant policy fixed permission " 5356 + name + " for package " + packageName); 5357 } 5358 5359 if (bp.isDevelopment()) { 5360 // Development permissions must be handled specially, since they are not 5361 // normal runtime permissions. For now they apply to all users. 5362 if (permissionsState.grantInstallPermission(bp) != 5363 PermissionsState.PERMISSION_OPERATION_FAILURE) { 5364 scheduleWriteSettingsLocked(); 5365 } 5366 return; 5367 } 5368 5369 if (ps.getInstantApp(userId) && !bp.isInstant()) { 5370 throw new SecurityException("Cannot grant non-ephemeral permission" 5371 + name + " for package " + packageName); 5372 } 5373 5374 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 5375 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 5376 return; 5377 } 5378 5379 final int result = permissionsState.grantRuntimePermission(bp, userId); 5380 switch (result) { 5381 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 5382 return; 5383 } 5384 5385 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 5386 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 5387 mHandler.post(new Runnable() { 5388 @Override 5389 public void run() { 5390 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 5391 } 5392 }); 5393 } 5394 break; 5395 } 5396 5397 if (bp.isRuntime()) { 5398 logPermissionGranted(mContext, name, packageName); 5399 } 5400 5401 mOnPermissionChangeListeners.onPermissionsChanged(uid); 5402 5403 // Not critical if that is lost - app has to request again. 5404 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 5405 } 5406 5407 // Only need to do this if user is initialized. Otherwise it's a new user 5408 // and there are no processes running as the user yet and there's no need 5409 // to make an expensive call to remount processes for the changed permissions. 5410 if (READ_EXTERNAL_STORAGE.equals(name) 5411 || WRITE_EXTERNAL_STORAGE.equals(name)) { 5412 final long token = Binder.clearCallingIdentity(); 5413 try { 5414 if (sUserManager.isInitialized(userId)) { 5415 StorageManagerInternal storageManagerInternal = LocalServices.getService( 5416 StorageManagerInternal.class); 5417 storageManagerInternal.onExternalStoragePolicyChanged(uid, packageName); 5418 } 5419 } finally { 5420 Binder.restoreCallingIdentity(token); 5421 } 5422 } 5423 } 5424 5425 @Override 5426 public void revokeRuntimePermission(String packageName, String name, int userId) { 5427 revokeRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 5428 } 5429 5430 private void revokeRuntimePermission(String packageName, String name, int userId, 5431 boolean overridePolicy) { 5432 if (!sUserManager.exists(userId)) { 5433 Log.e(TAG, "No such user:" + userId); 5434 return; 5435 } 5436 5437 mContext.enforceCallingOrSelfPermission( 5438 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 5439 "revokeRuntimePermission"); 5440 5441 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5442 true /* requireFullPermission */, true /* checkShell */, 5443 "revokeRuntimePermission"); 5444 5445 final int appId; 5446 5447 synchronized (mPackages) { 5448 final PackageParser.Package pkg = mPackages.get(packageName); 5449 if (pkg == null) { 5450 throw new IllegalArgumentException("Unknown package: " + packageName); 5451 } 5452 final PackageSetting ps = (PackageSetting) pkg.mExtras; 5453 if (ps == null 5454 || filterAppAccessLPr(ps, Binder.getCallingUid(), userId)) { 5455 throw new IllegalArgumentException("Unknown package: " + packageName); 5456 } 5457 final BasePermission bp = mSettings.mPermissions.get(name); 5458 if (bp == null) { 5459 throw new IllegalArgumentException("Unknown permission: " + name); 5460 } 5461 5462 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 5463 5464 // If a permission review is required for legacy apps we represent 5465 // their permissions as always granted runtime ones since we need 5466 // to keep the review required permission flag per user while an 5467 // install permission's state is shared across all users. 5468 if (mPermissionReviewRequired 5469 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 5470 && bp.isRuntime()) { 5471 return; 5472 } 5473 5474 final PermissionsState permissionsState = ps.getPermissionsState(); 5475 5476 final int flags = permissionsState.getPermissionFlags(name, userId); 5477 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 5478 throw new SecurityException("Cannot revoke system fixed permission " 5479 + name + " for package " + packageName); 5480 } 5481 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 5482 throw new SecurityException("Cannot revoke policy fixed permission " 5483 + name + " for package " + packageName); 5484 } 5485 5486 if (bp.isDevelopment()) { 5487 // Development permissions must be handled specially, since they are not 5488 // normal runtime permissions. For now they apply to all users. 5489 if (permissionsState.revokeInstallPermission(bp) != 5490 PermissionsState.PERMISSION_OPERATION_FAILURE) { 5491 scheduleWriteSettingsLocked(); 5492 } 5493 return; 5494 } 5495 5496 if (permissionsState.revokeRuntimePermission(bp, userId) == 5497 PermissionsState.PERMISSION_OPERATION_FAILURE) { 5498 return; 5499 } 5500 5501 if (bp.isRuntime()) { 5502 logPermissionRevoked(mContext, name, packageName); 5503 } 5504 5505 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 5506 5507 // Critical, after this call app should never have the permission. 5508 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 5509 5510 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 5511 } 5512 5513 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 5514 } 5515 5516 /** 5517 * Get the first event id for the permission. 5518 * 5519 * <p>There are four events for each permission: <ul> 5520 * <li>Request permission: first id + 0</li> 5521 * <li>Grant permission: first id + 1</li> 5522 * <li>Request for permission denied: first id + 2</li> 5523 * <li>Revoke permission: first id + 3</li> 5524 * </ul></p> 5525 * 5526 * @param name name of the permission 5527 * 5528 * @return The first event id for the permission 5529 */ 5530 private static int getBaseEventId(@NonNull String name) { 5531 int eventIdIndex = ALL_DANGEROUS_PERMISSIONS.indexOf(name); 5532 5533 if (eventIdIndex == -1) { 5534 if (AppOpsManager.permissionToOpCode(name) == AppOpsManager.OP_NONE 5535 || "user".equals(Build.TYPE)) { 5536 Log.i(TAG, "Unknown permission " + name); 5537 5538 return MetricsEvent.ACTION_PERMISSION_REQUEST_UNKNOWN; 5539 } else { 5540 // Most likely #ALL_DANGEROUS_PERMISSIONS needs to be updated. 5541 // 5542 // Also update 5543 // - EventLogger#ALL_DANGEROUS_PERMISSIONS 5544 // - metrics_constants.proto 5545 throw new IllegalStateException("Unknown permission " + name); 5546 } 5547 } 5548 5549 return MetricsEvent.ACTION_PERMISSION_REQUEST_READ_CALENDAR + eventIdIndex * 4; 5550 } 5551 5552 /** 5553 * Log that a permission was revoked. 5554 * 5555 * @param context Context of the caller 5556 * @param name name of the permission 5557 * @param packageName package permission if for 5558 */ 5559 private static void logPermissionRevoked(@NonNull Context context, @NonNull String name, 5560 @NonNull String packageName) { 5561 MetricsLogger.action(context, getBaseEventId(name) + 3, packageName); 5562 } 5563 5564 /** 5565 * Log that a permission request was granted. 5566 * 5567 * @param context Context of the caller 5568 * @param name name of the permission 5569 * @param packageName package permission if for 5570 */ 5571 private static void logPermissionGranted(@NonNull Context context, @NonNull String name, 5572 @NonNull String packageName) { 5573 MetricsLogger.action(context, getBaseEventId(name) + 1, packageName); 5574 } 5575 5576 @Override 5577 public void resetRuntimePermissions() { 5578 mContext.enforceCallingOrSelfPermission( 5579 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 5580 "revokeRuntimePermission"); 5581 5582 int callingUid = Binder.getCallingUid(); 5583 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 5584 mContext.enforceCallingOrSelfPermission( 5585 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 5586 "resetRuntimePermissions"); 5587 } 5588 5589 synchronized (mPackages) { 5590 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 5591 for (int userId : UserManagerService.getInstance().getUserIds()) { 5592 final int packageCount = mPackages.size(); 5593 for (int i = 0; i < packageCount; i++) { 5594 PackageParser.Package pkg = mPackages.valueAt(i); 5595 if (!(pkg.mExtras instanceof PackageSetting)) { 5596 continue; 5597 } 5598 PackageSetting ps = (PackageSetting) pkg.mExtras; 5599 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 5600 } 5601 } 5602 } 5603 } 5604 5605 @Override 5606 public int getPermissionFlags(String name, String packageName, int userId) { 5607 if (!sUserManager.exists(userId)) { 5608 return 0; 5609 } 5610 5611 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 5612 5613 final int callingUid = Binder.getCallingUid(); 5614 enforceCrossUserPermission(callingUid, userId, 5615 true /* requireFullPermission */, false /* checkShell */, 5616 "getPermissionFlags"); 5617 5618 synchronized (mPackages) { 5619 final PackageParser.Package pkg = mPackages.get(packageName); 5620 if (pkg == null) { 5621 return 0; 5622 } 5623 final BasePermission bp = mSettings.mPermissions.get(name); 5624 if (bp == null) { 5625 return 0; 5626 } 5627 final PackageSetting ps = (PackageSetting) pkg.mExtras; 5628 if (ps == null 5629 || filterAppAccessLPr(ps, callingUid, userId)) { 5630 return 0; 5631 } 5632 PermissionsState permissionsState = ps.getPermissionsState(); 5633 return permissionsState.getPermissionFlags(name, userId); 5634 } 5635 } 5636 5637 @Override 5638 public void updatePermissionFlags(String name, String packageName, int flagMask, 5639 int flagValues, int userId) { 5640 if (!sUserManager.exists(userId)) { 5641 return; 5642 } 5643 5644 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 5645 5646 final int callingUid = Binder.getCallingUid(); 5647 enforceCrossUserPermission(callingUid, userId, 5648 true /* requireFullPermission */, true /* checkShell */, 5649 "updatePermissionFlags"); 5650 5651 // Only the system can change these flags and nothing else. 5652 if (getCallingUid() != Process.SYSTEM_UID) { 5653 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5654 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5655 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 5656 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 5657 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 5658 } 5659 5660 synchronized (mPackages) { 5661 final PackageParser.Package pkg = mPackages.get(packageName); 5662 if (pkg == null) { 5663 throw new IllegalArgumentException("Unknown package: " + packageName); 5664 } 5665 final PackageSetting ps = (PackageSetting) pkg.mExtras; 5666 if (ps == null 5667 || filterAppAccessLPr(ps, callingUid, userId)) { 5668 throw new IllegalArgumentException("Unknown package: " + packageName); 5669 } 5670 5671 final BasePermission bp = mSettings.mPermissions.get(name); 5672 if (bp == null) { 5673 throw new IllegalArgumentException("Unknown permission: " + name); 5674 } 5675 5676 PermissionsState permissionsState = ps.getPermissionsState(); 5677 5678 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 5679 5680 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 5681 // Install and runtime permissions are stored in different places, 5682 // so figure out what permission changed and persist the change. 5683 if (permissionsState.getInstallPermissionState(name) != null) { 5684 scheduleWriteSettingsLocked(); 5685 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 5686 || hadState) { 5687 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 5688 } 5689 } 5690 } 5691 } 5692 5693 /** 5694 * Update the permission flags for all packages and runtime permissions of a user in order 5695 * to allow device or profile owner to remove POLICY_FIXED. 5696 */ 5697 @Override 5698 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 5699 if (!sUserManager.exists(userId)) { 5700 return; 5701 } 5702 5703 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 5704 5705 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5706 true /* requireFullPermission */, true /* checkShell */, 5707 "updatePermissionFlagsForAllApps"); 5708 5709 // Only the system can change system fixed flags. 5710 if (getCallingUid() != Process.SYSTEM_UID) { 5711 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5712 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5713 } 5714 5715 synchronized (mPackages) { 5716 boolean changed = false; 5717 final int packageCount = mPackages.size(); 5718 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 5719 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 5720 final PackageSetting ps = (PackageSetting) pkg.mExtras; 5721 if (ps == null) { 5722 continue; 5723 } 5724 PermissionsState permissionsState = ps.getPermissionsState(); 5725 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 5726 userId, flagMask, flagValues); 5727 } 5728 if (changed) { 5729 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 5730 } 5731 } 5732 } 5733 5734 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 5735 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 5736 != PackageManager.PERMISSION_GRANTED 5737 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 5738 != PackageManager.PERMISSION_GRANTED) { 5739 throw new SecurityException(message + " requires " 5740 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 5741 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 5742 } 5743 } 5744 5745 @Override 5746 public boolean shouldShowRequestPermissionRationale(String permissionName, 5747 String packageName, int userId) { 5748 if (UserHandle.getCallingUserId() != userId) { 5749 mContext.enforceCallingPermission( 5750 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 5751 "canShowRequestPermissionRationale for user " + userId); 5752 } 5753 5754 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 5755 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 5756 return false; 5757 } 5758 5759 if (checkPermission(permissionName, packageName, userId) 5760 == PackageManager.PERMISSION_GRANTED) { 5761 return false; 5762 } 5763 5764 final int flags; 5765 5766 final long identity = Binder.clearCallingIdentity(); 5767 try { 5768 flags = getPermissionFlags(permissionName, 5769 packageName, userId); 5770 } finally { 5771 Binder.restoreCallingIdentity(identity); 5772 } 5773 5774 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 5775 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 5776 | PackageManager.FLAG_PERMISSION_USER_FIXED; 5777 5778 if ((flags & fixedFlags) != 0) { 5779 return false; 5780 } 5781 5782 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 5783 } 5784 5785 @Override 5786 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 5787 mContext.enforceCallingOrSelfPermission( 5788 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 5789 "addOnPermissionsChangeListener"); 5790 5791 synchronized (mPackages) { 5792 mOnPermissionChangeListeners.addListenerLocked(listener); 5793 } 5794 } 5795 5796 @Override 5797 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 5798 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 5799 throw new SecurityException("Instant applications don't have access to this method"); 5800 } 5801 synchronized (mPackages) { 5802 mOnPermissionChangeListeners.removeListenerLocked(listener); 5803 } 5804 } 5805 5806 @Override 5807 public boolean isProtectedBroadcast(String actionName) { 5808 // allow instant applications 5809 synchronized (mPackages) { 5810 if (mProtectedBroadcasts.contains(actionName)) { 5811 return true; 5812 } else if (actionName != null) { 5813 // TODO: remove these terrible hacks 5814 if (actionName.startsWith("android.net.netmon.lingerExpired") 5815 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 5816 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 5817 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 5818 return true; 5819 } 5820 } 5821 } 5822 return false; 5823 } 5824 5825 @Override 5826 public int checkSignatures(String pkg1, String pkg2) { 5827 synchronized (mPackages) { 5828 final PackageParser.Package p1 = mPackages.get(pkg1); 5829 final PackageParser.Package p2 = mPackages.get(pkg2); 5830 if (p1 == null || p1.mExtras == null 5831 || p2 == null || p2.mExtras == null) { 5832 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5833 } 5834 final int callingUid = Binder.getCallingUid(); 5835 final int callingUserId = UserHandle.getUserId(callingUid); 5836 final PackageSetting ps1 = (PackageSetting) p1.mExtras; 5837 final PackageSetting ps2 = (PackageSetting) p2.mExtras; 5838 if (filterAppAccessLPr(ps1, callingUid, callingUserId) 5839 || filterAppAccessLPr(ps2, callingUid, callingUserId)) { 5840 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5841 } 5842 return compareSignatures(p1.mSignatures, p2.mSignatures); 5843 } 5844 } 5845 5846 @Override 5847 public int checkUidSignatures(int uid1, int uid2) { 5848 final int callingUid = Binder.getCallingUid(); 5849 final int callingUserId = UserHandle.getUserId(callingUid); 5850 final boolean isCallerInstantApp = getInstantAppPackageName(callingUid) != null; 5851 // Map to base uids. 5852 uid1 = UserHandle.getAppId(uid1); 5853 uid2 = UserHandle.getAppId(uid2); 5854 // reader 5855 synchronized (mPackages) { 5856 Signature[] s1; 5857 Signature[] s2; 5858 Object obj = mSettings.getUserIdLPr(uid1); 5859 if (obj != null) { 5860 if (obj instanceof SharedUserSetting) { 5861 if (isCallerInstantApp) { 5862 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5863 } 5864 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 5865 } else if (obj instanceof PackageSetting) { 5866 final PackageSetting ps = (PackageSetting) obj; 5867 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 5868 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5869 } 5870 s1 = ps.signatures.mSignatures; 5871 } else { 5872 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5873 } 5874 } else { 5875 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5876 } 5877 obj = mSettings.getUserIdLPr(uid2); 5878 if (obj != null) { 5879 if (obj instanceof SharedUserSetting) { 5880 if (isCallerInstantApp) { 5881 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5882 } 5883 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 5884 } else if (obj instanceof PackageSetting) { 5885 final PackageSetting ps = (PackageSetting) obj; 5886 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 5887 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5888 } 5889 s2 = ps.signatures.mSignatures; 5890 } else { 5891 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5892 } 5893 } else { 5894 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5895 } 5896 return compareSignatures(s1, s2); 5897 } 5898 } 5899 5900 /** 5901 * This method should typically only be used when granting or revoking 5902 * permissions, since the app may immediately restart after this call. 5903 * <p> 5904 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 5905 * guard your work against the app being relaunched. 5906 */ 5907 private void killUid(int appId, int userId, String reason) { 5908 final long identity = Binder.clearCallingIdentity(); 5909 try { 5910 IActivityManager am = ActivityManager.getService(); 5911 if (am != null) { 5912 try { 5913 am.killUid(appId, userId, reason); 5914 } catch (RemoteException e) { 5915 /* ignore - same process */ 5916 } 5917 } 5918 } finally { 5919 Binder.restoreCallingIdentity(identity); 5920 } 5921 } 5922 5923 /** 5924 * Compares two sets of signatures. Returns: 5925 * <br /> 5926 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 5927 * <br /> 5928 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 5929 * <br /> 5930 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 5931 * <br /> 5932 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 5933 * <br /> 5934 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 5935 */ 5936 static int compareSignatures(Signature[] s1, Signature[] s2) { 5937 if (s1 == null) { 5938 return s2 == null 5939 ? PackageManager.SIGNATURE_NEITHER_SIGNED 5940 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 5941 } 5942 5943 if (s2 == null) { 5944 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 5945 } 5946 5947 if (s1.length != s2.length) { 5948 return PackageManager.SIGNATURE_NO_MATCH; 5949 } 5950 5951 // Since both signature sets are of size 1, we can compare without HashSets. 5952 if (s1.length == 1) { 5953 return s1[0].equals(s2[0]) ? 5954 PackageManager.SIGNATURE_MATCH : 5955 PackageManager.SIGNATURE_NO_MATCH; 5956 } 5957 5958 ArraySet<Signature> set1 = new ArraySet<Signature>(); 5959 for (Signature sig : s1) { 5960 set1.add(sig); 5961 } 5962 ArraySet<Signature> set2 = new ArraySet<Signature>(); 5963 for (Signature sig : s2) { 5964 set2.add(sig); 5965 } 5966 // Make sure s2 contains all signatures in s1. 5967 if (set1.equals(set2)) { 5968 return PackageManager.SIGNATURE_MATCH; 5969 } 5970 return PackageManager.SIGNATURE_NO_MATCH; 5971 } 5972 5973 /** 5974 * If the database version for this type of package (internal storage or 5975 * external storage) is less than the version where package signatures 5976 * were updated, return true. 5977 */ 5978 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 5979 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 5980 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 5981 } 5982 5983 /** 5984 * Used for backward compatibility to make sure any packages with 5985 * certificate chains get upgraded to the new style. {@code existingSigs} 5986 * will be in the old format (since they were stored on disk from before the 5987 * system upgrade) and {@code scannedSigs} will be in the newer format. 5988 */ 5989 private int compareSignaturesCompat(PackageSignatures existingSigs, 5990 PackageParser.Package scannedPkg) { 5991 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 5992 return PackageManager.SIGNATURE_NO_MATCH; 5993 } 5994 5995 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 5996 for (Signature sig : existingSigs.mSignatures) { 5997 existingSet.add(sig); 5998 } 5999 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 6000 for (Signature sig : scannedPkg.mSignatures) { 6001 try { 6002 Signature[] chainSignatures = sig.getChainSignatures(); 6003 for (Signature chainSig : chainSignatures) { 6004 scannedCompatSet.add(chainSig); 6005 } 6006 } catch (CertificateEncodingException e) { 6007 scannedCompatSet.add(sig); 6008 } 6009 } 6010 /* 6011 * Make sure the expanded scanned set contains all signatures in the 6012 * existing one. 6013 */ 6014 if (scannedCompatSet.equals(existingSet)) { 6015 // Migrate the old signatures to the new scheme. 6016 existingSigs.assignSignatures(scannedPkg.mSignatures); 6017 // The new KeySets will be re-added later in the scanning process. 6018 synchronized (mPackages) { 6019 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 6020 } 6021 return PackageManager.SIGNATURE_MATCH; 6022 } 6023 return PackageManager.SIGNATURE_NO_MATCH; 6024 } 6025 6026 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 6027 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 6028 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 6029 } 6030 6031 private int compareSignaturesRecover(PackageSignatures existingSigs, 6032 PackageParser.Package scannedPkg) { 6033 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 6034 return PackageManager.SIGNATURE_NO_MATCH; 6035 } 6036 6037 String msg = null; 6038 try { 6039 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 6040 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 6041 + scannedPkg.packageName); 6042 return PackageManager.SIGNATURE_MATCH; 6043 } 6044 } catch (CertificateException e) { 6045 msg = e.getMessage(); 6046 } 6047 6048 logCriticalInfo(Log.INFO, 6049 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 6050 return PackageManager.SIGNATURE_NO_MATCH; 6051 } 6052 6053 @Override 6054 public List<String> getAllPackages() { 6055 final int callingUid = Binder.getCallingUid(); 6056 final int callingUserId = UserHandle.getUserId(callingUid); 6057 synchronized (mPackages) { 6058 if (canViewInstantApps(callingUid, callingUserId)) { 6059 return new ArrayList<String>(mPackages.keySet()); 6060 } 6061 final String instantAppPkgName = getInstantAppPackageName(callingUid); 6062 final List<String> result = new ArrayList<>(); 6063 if (instantAppPkgName != null) { 6064 // caller is an instant application; filter unexposed applications 6065 for (PackageParser.Package pkg : mPackages.values()) { 6066 if (!pkg.visibleToInstantApps) { 6067 continue; 6068 } 6069 result.add(pkg.packageName); 6070 } 6071 } else { 6072 // caller is a normal application; filter instant applications 6073 for (PackageParser.Package pkg : mPackages.values()) { 6074 final PackageSetting ps = 6075 pkg.mExtras != null ? (PackageSetting) pkg.mExtras : null; 6076 if (ps != null 6077 && ps.getInstantApp(callingUserId) 6078 && !mInstantAppRegistry.isInstantAccessGranted( 6079 callingUserId, UserHandle.getAppId(callingUid), ps.appId)) { 6080 continue; 6081 } 6082 result.add(pkg.packageName); 6083 } 6084 } 6085 return result; 6086 } 6087 } 6088 6089 @Override 6090 public String[] getPackagesForUid(int uid) { 6091 final int callingUid = Binder.getCallingUid(); 6092 final boolean isCallerInstantApp = getInstantAppPackageName(callingUid) != null; 6093 final int userId = UserHandle.getUserId(uid); 6094 uid = UserHandle.getAppId(uid); 6095 // reader 6096 synchronized (mPackages) { 6097 Object obj = mSettings.getUserIdLPr(uid); 6098 if (obj instanceof SharedUserSetting) { 6099 if (isCallerInstantApp) { 6100 return null; 6101 } 6102 final SharedUserSetting sus = (SharedUserSetting) obj; 6103 final int N = sus.packages.size(); 6104 String[] res = new String[N]; 6105 final Iterator<PackageSetting> it = sus.packages.iterator(); 6106 int i = 0; 6107 while (it.hasNext()) { 6108 PackageSetting ps = it.next(); 6109 if (ps.getInstalled(userId)) { 6110 res[i++] = ps.name; 6111 } else { 6112 res = ArrayUtils.removeElement(String.class, res, res[i]); 6113 } 6114 } 6115 return res; 6116 } else if (obj instanceof PackageSetting) { 6117 final PackageSetting ps = (PackageSetting) obj; 6118 if (ps.getInstalled(userId) && !filterAppAccessLPr(ps, callingUid, userId)) { 6119 return new String[]{ps.name}; 6120 } 6121 } 6122 } 6123 return null; 6124 } 6125 6126 @Override 6127 public String getNameForUid(int uid) { 6128 final int callingUid = Binder.getCallingUid(); 6129 if (getInstantAppPackageName(callingUid) != null) { 6130 return null; 6131 } 6132 synchronized (mPackages) { 6133 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 6134 if (obj instanceof SharedUserSetting) { 6135 final SharedUserSetting sus = (SharedUserSetting) obj; 6136 return sus.name + ":" + sus.userId; 6137 } else if (obj instanceof PackageSetting) { 6138 final PackageSetting ps = (PackageSetting) obj; 6139 if (filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 6140 return null; 6141 } 6142 return ps.name; 6143 } 6144 } 6145 return null; 6146 } 6147 6148 @Override 6149 public int getUidForSharedUser(String sharedUserName) { 6150 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 6151 return -1; 6152 } 6153 if (sharedUserName == null) { 6154 return -1; 6155 } 6156 // reader 6157 synchronized (mPackages) { 6158 SharedUserSetting suid; 6159 try { 6160 suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 6161 if (suid != null) { 6162 return suid.userId; 6163 } 6164 } catch (PackageManagerException ignore) { 6165 // can't happen, but, still need to catch it 6166 } 6167 return -1; 6168 } 6169 } 6170 6171 @Override 6172 public int getFlagsForUid(int uid) { 6173 final int callingUid = Binder.getCallingUid(); 6174 if (getInstantAppPackageName(callingUid) != null) { 6175 return 0; 6176 } 6177 synchronized (mPackages) { 6178 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 6179 if (obj instanceof SharedUserSetting) { 6180 final SharedUserSetting sus = (SharedUserSetting) obj; 6181 return sus.pkgFlags; 6182 } else if (obj instanceof PackageSetting) { 6183 final PackageSetting ps = (PackageSetting) obj; 6184 if (filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 6185 return 0; 6186 } 6187 return ps.pkgFlags; 6188 } 6189 } 6190 return 0; 6191 } 6192 6193 @Override 6194 public int getPrivateFlagsForUid(int uid) { 6195 final int callingUid = Binder.getCallingUid(); 6196 if (getInstantAppPackageName(callingUid) != null) { 6197 return 0; 6198 } 6199 synchronized (mPackages) { 6200 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 6201 if (obj instanceof SharedUserSetting) { 6202 final SharedUserSetting sus = (SharedUserSetting) obj; 6203 return sus.pkgPrivateFlags; 6204 } else if (obj instanceof PackageSetting) { 6205 final PackageSetting ps = (PackageSetting) obj; 6206 if (filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 6207 return 0; 6208 } 6209 return ps.pkgPrivateFlags; 6210 } 6211 } 6212 return 0; 6213 } 6214 6215 @Override 6216 public boolean isUidPrivileged(int uid) { 6217 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 6218 return false; 6219 } 6220 uid = UserHandle.getAppId(uid); 6221 // reader 6222 synchronized (mPackages) { 6223 Object obj = mSettings.getUserIdLPr(uid); 6224 if (obj instanceof SharedUserSetting) { 6225 final SharedUserSetting sus = (SharedUserSetting) obj; 6226 final Iterator<PackageSetting> it = sus.packages.iterator(); 6227 while (it.hasNext()) { 6228 if (it.next().isPrivileged()) { 6229 return true; 6230 } 6231 } 6232 } else if (obj instanceof PackageSetting) { 6233 final PackageSetting ps = (PackageSetting) obj; 6234 return ps.isPrivileged(); 6235 } 6236 } 6237 return false; 6238 } 6239 6240 @Override 6241 public String[] getAppOpPermissionPackages(String permissionName) { 6242 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 6243 return null; 6244 } 6245 synchronized (mPackages) { 6246 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 6247 if (pkgs == null) { 6248 return null; 6249 } 6250 return pkgs.toArray(new String[pkgs.size()]); 6251 } 6252 } 6253 6254 @Override 6255 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 6256 int flags, int userId) { 6257 return resolveIntentInternal( 6258 intent, resolvedType, flags, userId, false /*includeInstantApps*/); 6259 } 6260 6261 private ResolveInfo resolveIntentInternal(Intent intent, String resolvedType, 6262 int flags, int userId, boolean resolveForStart) { 6263 try { 6264 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 6265 6266 if (!sUserManager.exists(userId)) return null; 6267 final int callingUid = Binder.getCallingUid(); 6268 flags = updateFlagsForResolve(flags, userId, intent, callingUid, resolveForStart); 6269 enforceCrossUserPermission(callingUid, userId, 6270 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 6271 6272 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 6273 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 6274 flags, callingUid, userId, resolveForStart); 6275 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6276 6277 final ResolveInfo bestChoice = 6278 chooseBestActivity(intent, resolvedType, flags, query, userId); 6279 return bestChoice; 6280 } finally { 6281 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6282 } 6283 } 6284 6285 @Override 6286 public ResolveInfo findPersistentPreferredActivity(Intent intent, int userId) { 6287 if (!UserHandle.isSameApp(Binder.getCallingUid(), Process.SYSTEM_UID)) { 6288 throw new SecurityException( 6289 "findPersistentPreferredActivity can only be run by the system"); 6290 } 6291 if (!sUserManager.exists(userId)) { 6292 return null; 6293 } 6294 final int callingUid = Binder.getCallingUid(); 6295 intent = updateIntentForResolve(intent); 6296 final String resolvedType = intent.resolveTypeIfNeeded(mContext.getContentResolver()); 6297 final int flags = updateFlagsForResolve( 6298 0, userId, intent, callingUid, false /*includeInstantApps*/); 6299 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 6300 userId); 6301 synchronized (mPackages) { 6302 return findPersistentPreferredActivityLP(intent, resolvedType, flags, query, false, 6303 userId); 6304 } 6305 } 6306 6307 @Override 6308 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 6309 IntentFilter filter, int match, ComponentName activity) { 6310 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 6311 return; 6312 } 6313 final int userId = UserHandle.getCallingUserId(); 6314 if (DEBUG_PREFERRED) { 6315 Log.v(TAG, "setLastChosenActivity intent=" + intent 6316 + " resolvedType=" + resolvedType 6317 + " flags=" + flags 6318 + " filter=" + filter 6319 + " match=" + match 6320 + " activity=" + activity); 6321 filter.dump(new PrintStreamPrinter(System.out), " "); 6322 } 6323 intent.setComponent(null); 6324 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 6325 userId); 6326 // Find any earlier preferred or last chosen entries and nuke them 6327 findPreferredActivity(intent, resolvedType, 6328 flags, query, 0, false, true, false, userId); 6329 // Add the new activity as the last chosen for this filter 6330 addPreferredActivityInternal(filter, match, null, activity, false, userId, 6331 "Setting last chosen"); 6332 } 6333 6334 @Override 6335 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 6336 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 6337 return null; 6338 } 6339 final int userId = UserHandle.getCallingUserId(); 6340 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 6341 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 6342 userId); 6343 return findPreferredActivity(intent, resolvedType, flags, query, 0, 6344 false, false, false, userId); 6345 } 6346 6347 /** 6348 * Returns whether or not instant apps have been disabled remotely. 6349 */ 6350 private boolean isEphemeralDisabled() { 6351 return mEphemeralAppsDisabled; 6352 } 6353 6354 private boolean isInstantAppAllowed( 6355 Intent intent, List<ResolveInfo> resolvedActivities, int userId, 6356 boolean skipPackageCheck) { 6357 if (mInstantAppResolverConnection == null) { 6358 return false; 6359 } 6360 if (mInstantAppInstallerActivity == null) { 6361 return false; 6362 } 6363 if (intent.getComponent() != null) { 6364 return false; 6365 } 6366 if ((intent.getFlags() & Intent.FLAG_IGNORE_EPHEMERAL) != 0) { 6367 return false; 6368 } 6369 if (!skipPackageCheck && intent.getPackage() != null) { 6370 return false; 6371 } 6372 final boolean isWebUri = hasWebURI(intent); 6373 if (!isWebUri || intent.getData().getHost() == null) { 6374 return false; 6375 } 6376 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 6377 // Or if there's already an ephemeral app installed that handles the action 6378 synchronized (mPackages) { 6379 final int count = (resolvedActivities == null ? 0 : resolvedActivities.size()); 6380 for (int n = 0; n < count; n++) { 6381 final ResolveInfo info = resolvedActivities.get(n); 6382 final String packageName = info.activityInfo.packageName; 6383 final PackageSetting ps = mSettings.mPackages.get(packageName); 6384 if (ps != null) { 6385 // only check domain verification status if the app is not a browser 6386 if (!info.handleAllWebDataURI) { 6387 // Try to get the status from User settings first 6388 final long packedStatus = getDomainVerificationStatusLPr(ps, userId); 6389 final int status = (int) (packedStatus >> 32); 6390 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 6391 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 6392 if (DEBUG_EPHEMERAL) { 6393 Slog.v(TAG, "DENY instant app;" 6394 + " pkg: " + packageName + ", status: " + status); 6395 } 6396 return false; 6397 } 6398 } 6399 if (ps.getInstantApp(userId)) { 6400 if (DEBUG_EPHEMERAL) { 6401 Slog.v(TAG, "DENY instant app installed;" 6402 + " pkg: " + packageName); 6403 } 6404 return false; 6405 } 6406 } 6407 } 6408 } 6409 // We've exhausted all ways to deny ephemeral application; let the system look for them. 6410 return true; 6411 } 6412 6413 private void requestInstantAppResolutionPhaseTwo(AuxiliaryResolveInfo responseObj, 6414 Intent origIntent, String resolvedType, String callingPackage, 6415 Bundle verificationBundle, int userId) { 6416 final Message msg = mHandler.obtainMessage(INSTANT_APP_RESOLUTION_PHASE_TWO, 6417 new InstantAppRequest(responseObj, origIntent, resolvedType, 6418 callingPackage, userId, verificationBundle)); 6419 mHandler.sendMessage(msg); 6420 } 6421 6422 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 6423 int flags, List<ResolveInfo> query, int userId) { 6424 if (query != null) { 6425 final int N = query.size(); 6426 if (N == 1) { 6427 return query.get(0); 6428 } else if (N > 1) { 6429 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 6430 // If there is more than one activity with the same priority, 6431 // then let the user decide between them. 6432 ResolveInfo r0 = query.get(0); 6433 ResolveInfo r1 = query.get(1); 6434 if (DEBUG_INTENT_MATCHING || debug) { 6435 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 6436 + r1.activityInfo.name + "=" + r1.priority); 6437 } 6438 // If the first activity has a higher priority, or a different 6439 // default, then it is always desirable to pick it. 6440 if (r0.priority != r1.priority 6441 || r0.preferredOrder != r1.preferredOrder 6442 || r0.isDefault != r1.isDefault) { 6443 return query.get(0); 6444 } 6445 // If we have saved a preference for a preferred activity for 6446 // this Intent, use that. 6447 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 6448 flags, query, r0.priority, true, false, debug, userId); 6449 if (ri != null) { 6450 return ri; 6451 } 6452 // If we have an ephemeral app, use it 6453 for (int i = 0; i < N; i++) { 6454 ri = query.get(i); 6455 if (ri.activityInfo.applicationInfo.isInstantApp()) { 6456 final String packageName = ri.activityInfo.packageName; 6457 final PackageSetting ps = mSettings.mPackages.get(packageName); 6458 final long packedStatus = getDomainVerificationStatusLPr(ps, userId); 6459 final int status = (int)(packedStatus >> 32); 6460 if (status != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 6461 return ri; 6462 } 6463 } 6464 } 6465 ri = new ResolveInfo(mResolveInfo); 6466 ri.activityInfo = new ActivityInfo(ri.activityInfo); 6467 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 6468 // If all of the options come from the same package, show the application's 6469 // label and icon instead of the generic resolver's. 6470 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 6471 // and then throw away the ResolveInfo itself, meaning that the caller loses 6472 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 6473 // a fallback for this case; we only set the target package's resources on 6474 // the ResolveInfo, not the ActivityInfo. 6475 final String intentPackage = intent.getPackage(); 6476 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 6477 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 6478 ri.resolvePackageName = intentPackage; 6479 if (userNeedsBadging(userId)) { 6480 ri.noResourceId = true; 6481 } else { 6482 ri.icon = appi.icon; 6483 } 6484 ri.iconResourceId = appi.icon; 6485 ri.labelRes = appi.labelRes; 6486 } 6487 ri.activityInfo.applicationInfo = new ApplicationInfo( 6488 ri.activityInfo.applicationInfo); 6489 if (userId != 0) { 6490 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 6491 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 6492 } 6493 // Make sure that the resolver is displayable in car mode 6494 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 6495 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 6496 return ri; 6497 } 6498 } 6499 return null; 6500 } 6501 6502 /** 6503 * Return true if the given list is not empty and all of its contents have 6504 * an activityInfo with the given package name. 6505 */ 6506 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 6507 if (ArrayUtils.isEmpty(list)) { 6508 return false; 6509 } 6510 for (int i = 0, N = list.size(); i < N; i++) { 6511 final ResolveInfo ri = list.get(i); 6512 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 6513 if (ai == null || !packageName.equals(ai.packageName)) { 6514 return false; 6515 } 6516 } 6517 return true; 6518 } 6519 6520 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 6521 int flags, List<ResolveInfo> query, boolean debug, int userId) { 6522 final int N = query.size(); 6523 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 6524 .get(userId); 6525 // Get the list of persistent preferred activities that handle the intent 6526 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 6527 List<PersistentPreferredActivity> pprefs = ppir != null 6528 ? ppir.queryIntent(intent, resolvedType, 6529 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 6530 userId) 6531 : null; 6532 if (pprefs != null && pprefs.size() > 0) { 6533 final int M = pprefs.size(); 6534 for (int i=0; i<M; i++) { 6535 final PersistentPreferredActivity ppa = pprefs.get(i); 6536 if (DEBUG_PREFERRED || debug) { 6537 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 6538 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 6539 + "\n component=" + ppa.mComponent); 6540 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 6541 } 6542 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 6543 flags | MATCH_DISABLED_COMPONENTS, userId); 6544 if (DEBUG_PREFERRED || debug) { 6545 Slog.v(TAG, "Found persistent preferred activity:"); 6546 if (ai != null) { 6547 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 6548 } else { 6549 Slog.v(TAG, " null"); 6550 } 6551 } 6552 if (ai == null) { 6553 // This previously registered persistent preferred activity 6554 // component is no longer known. Ignore it and do NOT remove it. 6555 continue; 6556 } 6557 for (int j=0; j<N; j++) { 6558 final ResolveInfo ri = query.get(j); 6559 if (!ri.activityInfo.applicationInfo.packageName 6560 .equals(ai.applicationInfo.packageName)) { 6561 continue; 6562 } 6563 if (!ri.activityInfo.name.equals(ai.name)) { 6564 continue; 6565 } 6566 // Found a persistent preference that can handle the intent. 6567 if (DEBUG_PREFERRED || debug) { 6568 Slog.v(TAG, "Returning persistent preferred activity: " + 6569 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 6570 } 6571 return ri; 6572 } 6573 } 6574 } 6575 return null; 6576 } 6577 6578 // TODO: handle preferred activities missing while user has amnesia 6579 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 6580 List<ResolveInfo> query, int priority, boolean always, 6581 boolean removeMatches, boolean debug, int userId) { 6582 if (!sUserManager.exists(userId)) return null; 6583 final int callingUid = Binder.getCallingUid(); 6584 flags = updateFlagsForResolve( 6585 flags, userId, intent, callingUid, false /*includeInstantApps*/); 6586 intent = updateIntentForResolve(intent); 6587 // writer 6588 synchronized (mPackages) { 6589 // Try to find a matching persistent preferred activity. 6590 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 6591 debug, userId); 6592 6593 // If a persistent preferred activity matched, use it. 6594 if (pri != null) { 6595 return pri; 6596 } 6597 6598 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 6599 // Get the list of preferred activities that handle the intent 6600 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 6601 List<PreferredActivity> prefs = pir != null 6602 ? pir.queryIntent(intent, resolvedType, 6603 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 6604 userId) 6605 : null; 6606 if (prefs != null && prefs.size() > 0) { 6607 boolean changed = false; 6608 try { 6609 // First figure out how good the original match set is. 6610 // We will only allow preferred activities that came 6611 // from the same match quality. 6612 int match = 0; 6613 6614 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 6615 6616 final int N = query.size(); 6617 for (int j=0; j<N; j++) { 6618 final ResolveInfo ri = query.get(j); 6619 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 6620 + ": 0x" + Integer.toHexString(match)); 6621 if (ri.match > match) { 6622 match = ri.match; 6623 } 6624 } 6625 6626 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 6627 + Integer.toHexString(match)); 6628 6629 match &= IntentFilter.MATCH_CATEGORY_MASK; 6630 final int M = prefs.size(); 6631 for (int i=0; i<M; i++) { 6632 final PreferredActivity pa = prefs.get(i); 6633 if (DEBUG_PREFERRED || debug) { 6634 Slog.v(TAG, "Checking PreferredActivity ds=" 6635 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 6636 + "\n component=" + pa.mPref.mComponent); 6637 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 6638 } 6639 if (pa.mPref.mMatch != match) { 6640 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 6641 + Integer.toHexString(pa.mPref.mMatch)); 6642 continue; 6643 } 6644 // If it's not an "always" type preferred activity and that's what we're 6645 // looking for, skip it. 6646 if (always && !pa.mPref.mAlways) { 6647 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 6648 continue; 6649 } 6650 final ActivityInfo ai = getActivityInfo( 6651 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 6652 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 6653 userId); 6654 if (DEBUG_PREFERRED || debug) { 6655 Slog.v(TAG, "Found preferred activity:"); 6656 if (ai != null) { 6657 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 6658 } else { 6659 Slog.v(TAG, " null"); 6660 } 6661 } 6662 if (ai == null) { 6663 // This previously registered preferred activity 6664 // component is no longer known. Most likely an update 6665 // to the app was installed and in the new version this 6666 // component no longer exists. Clean it up by removing 6667 // it from the preferred activities list, and skip it. 6668 Slog.w(TAG, "Removing dangling preferred activity: " 6669 + pa.mPref.mComponent); 6670 pir.removeFilter(pa); 6671 changed = true; 6672 continue; 6673 } 6674 for (int j=0; j<N; j++) { 6675 final ResolveInfo ri = query.get(j); 6676 if (!ri.activityInfo.applicationInfo.packageName 6677 .equals(ai.applicationInfo.packageName)) { 6678 continue; 6679 } 6680 if (!ri.activityInfo.name.equals(ai.name)) { 6681 continue; 6682 } 6683 6684 if (removeMatches) { 6685 pir.removeFilter(pa); 6686 changed = true; 6687 if (DEBUG_PREFERRED) { 6688 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 6689 } 6690 break; 6691 } 6692 6693 // Okay we found a previously set preferred or last chosen app. 6694 // If the result set is different from when this 6695 // was created, we need to clear it and re-ask the 6696 // user their preference, if we're looking for an "always" type entry. 6697 if (always && !pa.mPref.sameSet(query)) { 6698 Slog.i(TAG, "Result set changed, dropping preferred activity for " 6699 + intent + " type " + resolvedType); 6700 if (DEBUG_PREFERRED) { 6701 Slog.v(TAG, "Removing preferred activity since set changed " 6702 + pa.mPref.mComponent); 6703 } 6704 pir.removeFilter(pa); 6705 // Re-add the filter as a "last chosen" entry (!always) 6706 PreferredActivity lastChosen = new PreferredActivity( 6707 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 6708 pir.addFilter(lastChosen); 6709 changed = true; 6710 return null; 6711 } 6712 6713 // Yay! Either the set matched or we're looking for the last chosen 6714 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 6715 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 6716 return ri; 6717 } 6718 } 6719 } finally { 6720 if (changed) { 6721 if (DEBUG_PREFERRED) { 6722 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 6723 } 6724 scheduleWritePackageRestrictionsLocked(userId); 6725 } 6726 } 6727 } 6728 } 6729 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 6730 return null; 6731 } 6732 6733 /* 6734 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 6735 */ 6736 @Override 6737 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 6738 int targetUserId) { 6739 mContext.enforceCallingOrSelfPermission( 6740 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 6741 List<CrossProfileIntentFilter> matches = 6742 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 6743 if (matches != null) { 6744 int size = matches.size(); 6745 for (int i = 0; i < size; i++) { 6746 if (matches.get(i).getTargetUserId() == targetUserId) return true; 6747 } 6748 } 6749 if (hasWebURI(intent)) { 6750 // cross-profile app linking works only towards the parent. 6751 final int callingUid = Binder.getCallingUid(); 6752 final UserInfo parent = getProfileParent(sourceUserId); 6753 synchronized(mPackages) { 6754 int flags = updateFlagsForResolve(0, parent.id, intent, callingUid, 6755 false /*includeInstantApps*/); 6756 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 6757 intent, resolvedType, flags, sourceUserId, parent.id); 6758 return xpDomainInfo != null; 6759 } 6760 } 6761 return false; 6762 } 6763 6764 private UserInfo getProfileParent(int userId) { 6765 final long identity = Binder.clearCallingIdentity(); 6766 try { 6767 return sUserManager.getProfileParent(userId); 6768 } finally { 6769 Binder.restoreCallingIdentity(identity); 6770 } 6771 } 6772 6773 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 6774 String resolvedType, int userId) { 6775 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 6776 if (resolver != null) { 6777 return resolver.queryIntent(intent, resolvedType, false /*defaultOnly*/, userId); 6778 } 6779 return null; 6780 } 6781 6782 @Override 6783 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 6784 String resolvedType, int flags, int userId) { 6785 try { 6786 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 6787 6788 return new ParceledListSlice<>( 6789 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 6790 } finally { 6791 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6792 } 6793 } 6794 6795 /** 6796 * Returns the package name of the calling Uid if it's an instant app. If it isn't 6797 * instant, returns {@code null}. 6798 */ 6799 private String getInstantAppPackageName(int callingUid) { 6800 synchronized (mPackages) { 6801 // If the caller is an isolated app use the owner's uid for the lookup. 6802 if (Process.isIsolated(callingUid)) { 6803 callingUid = mIsolatedOwners.get(callingUid); 6804 } 6805 final int appId = UserHandle.getAppId(callingUid); 6806 final Object obj = mSettings.getUserIdLPr(appId); 6807 if (obj instanceof PackageSetting) { 6808 final PackageSetting ps = (PackageSetting) obj; 6809 final boolean isInstantApp = ps.getInstantApp(UserHandle.getUserId(callingUid)); 6810 return isInstantApp ? ps.pkg.packageName : null; 6811 } 6812 } 6813 return null; 6814 } 6815 6816 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 6817 String resolvedType, int flags, int userId) { 6818 return queryIntentActivitiesInternal( 6819 intent, resolvedType, flags, Binder.getCallingUid(), userId, false); 6820 } 6821 6822 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 6823 String resolvedType, int flags, int filterCallingUid, int userId, 6824 boolean resolveForStart) { 6825 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6826 final String instantAppPkgName = getInstantAppPackageName(filterCallingUid); 6827 enforceCrossUserPermission(Binder.getCallingUid(), userId, 6828 false /* requireFullPermission */, false /* checkShell */, 6829 "query intent activities"); 6830 final String pkgName = intent.getPackage(); 6831 ComponentName comp = intent.getComponent(); 6832 if (comp == null) { 6833 if (intent.getSelector() != null) { 6834 intent = intent.getSelector(); 6835 comp = intent.getComponent(); 6836 } 6837 } 6838 6839 flags = updateFlagsForResolve(flags, userId, intent, filterCallingUid, resolveForStart, 6840 comp != null || pkgName != null /*onlyExposedExplicitly*/); 6841 if (comp != null) { 6842 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6843 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 6844 if (ai != null) { 6845 // When specifying an explicit component, we prevent the activity from being 6846 // used when either 1) the calling package is normal and the activity is within 6847 // an ephemeral application or 2) the calling package is ephemeral and the 6848 // activity is not visible to ephemeral applications. 6849 final boolean matchInstantApp = 6850 (flags & PackageManager.MATCH_INSTANT) != 0; 6851 final boolean matchVisibleToInstantAppOnly = 6852 (flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 6853 final boolean matchExplicitlyVisibleOnly = 6854 (flags & PackageManager.MATCH_EXPLICITLY_VISIBLE_ONLY) != 0; 6855 final boolean isCallerInstantApp = 6856 instantAppPkgName != null; 6857 final boolean isTargetSameInstantApp = 6858 comp.getPackageName().equals(instantAppPkgName); 6859 final boolean isTargetInstantApp = 6860 (ai.applicationInfo.privateFlags 6861 & ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0; 6862 final boolean isTargetVisibleToInstantApp = 6863 (ai.flags & ActivityInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0; 6864 final boolean isTargetExplicitlyVisibleToInstantApp = 6865 isTargetVisibleToInstantApp 6866 && (ai.flags & ActivityInfo.FLAG_IMPLICITLY_VISIBLE_TO_INSTANT_APP) == 0; 6867 final boolean isTargetHiddenFromInstantApp = 6868 !isTargetVisibleToInstantApp 6869 || (matchExplicitlyVisibleOnly && !isTargetExplicitlyVisibleToInstantApp); 6870 final boolean blockResolution = 6871 !isTargetSameInstantApp 6872 && ((!matchInstantApp && !isCallerInstantApp && isTargetInstantApp) 6873 || (matchVisibleToInstantAppOnly && isCallerInstantApp 6874 && isTargetHiddenFromInstantApp)); 6875 if (!blockResolution) { 6876 final ResolveInfo ri = new ResolveInfo(); 6877 ri.activityInfo = ai; 6878 list.add(ri); 6879 } 6880 } 6881 return applyPostResolutionFilter(list, instantAppPkgName); 6882 } 6883 6884 // reader 6885 boolean sortResult = false; 6886 boolean addEphemeral = false; 6887 List<ResolveInfo> result; 6888 final boolean ephemeralDisabled = isEphemeralDisabled(); 6889 synchronized (mPackages) { 6890 if (pkgName == null) { 6891 List<CrossProfileIntentFilter> matchingFilters = 6892 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 6893 // Check for results that need to skip the current profile. 6894 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 6895 resolvedType, flags, userId); 6896 if (xpResolveInfo != null) { 6897 List<ResolveInfo> xpResult = new ArrayList<ResolveInfo>(1); 6898 xpResult.add(xpResolveInfo); 6899 return applyPostResolutionFilter( 6900 filterIfNotSystemUser(xpResult, userId), instantAppPkgName); 6901 } 6902 6903 // Check for results in the current profile. 6904 result = filterIfNotSystemUser(mActivities.queryIntent( 6905 intent, resolvedType, flags, userId), userId); 6906 addEphemeral = !ephemeralDisabled 6907 && isInstantAppAllowed(intent, result, userId, false /*skipPackageCheck*/); 6908 // Check for cross profile results. 6909 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 6910 xpResolveInfo = queryCrossProfileIntents( 6911 matchingFilters, intent, resolvedType, flags, userId, 6912 hasNonNegativePriorityResult); 6913 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 6914 boolean isVisibleToUser = filterIfNotSystemUser( 6915 Collections.singletonList(xpResolveInfo), userId).size() > 0; 6916 if (isVisibleToUser) { 6917 result.add(xpResolveInfo); 6918 sortResult = true; 6919 } 6920 } 6921 if (hasWebURI(intent)) { 6922 CrossProfileDomainInfo xpDomainInfo = null; 6923 final UserInfo parent = getProfileParent(userId); 6924 if (parent != null) { 6925 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 6926 flags, userId, parent.id); 6927 } 6928 if (xpDomainInfo != null) { 6929 if (xpResolveInfo != null) { 6930 // If we didn't remove it, the cross-profile ResolveInfo would be twice 6931 // in the result. 6932 result.remove(xpResolveInfo); 6933 } 6934 if (result.size() == 0 && !addEphemeral) { 6935 // No result in current profile, but found candidate in parent user. 6936 // And we are not going to add emphemeral app, so we can return the 6937 // result straight away. 6938 result.add(xpDomainInfo.resolveInfo); 6939 return applyPostResolutionFilter(result, instantAppPkgName); 6940 } 6941 } else if (result.size() <= 1 && !addEphemeral) { 6942 // No result in parent user and <= 1 result in current profile, and we 6943 // are not going to add emphemeral app, so we can return the result without 6944 // further processing. 6945 return applyPostResolutionFilter(result, instantAppPkgName); 6946 } 6947 // We have more than one candidate (combining results from current and parent 6948 // profile), so we need filtering and sorting. 6949 result = filterCandidatesWithDomainPreferredActivitiesLPr( 6950 intent, flags, result, xpDomainInfo, userId); 6951 sortResult = true; 6952 } 6953 } else { 6954 final PackageParser.Package pkg = mPackages.get(pkgName); 6955 result = null; 6956 if (pkg != null) { 6957 result = filterIfNotSystemUser( 6958 mActivities.queryIntentForPackage( 6959 intent, resolvedType, flags, pkg.activities, userId), 6960 userId); 6961 } 6962 if (result == null || result.size() == 0) { 6963 // the caller wants to resolve for a particular package; however, there 6964 // were no installed results, so, try to find an ephemeral result 6965 addEphemeral = !ephemeralDisabled 6966 && isInstantAppAllowed( 6967 intent, null /*result*/, userId, true /*skipPackageCheck*/); 6968 if (result == null) { 6969 result = new ArrayList<>(); 6970 } 6971 } 6972 } 6973 } 6974 if (addEphemeral) { 6975 result = maybeAddInstantAppInstaller(result, intent, resolvedType, flags, userId); 6976 } 6977 if (sortResult) { 6978 Collections.sort(result, mResolvePrioritySorter); 6979 } 6980 return applyPostResolutionFilter(result, instantAppPkgName); 6981 } 6982 6983 private List<ResolveInfo> maybeAddInstantAppInstaller(List<ResolveInfo> result, Intent intent, 6984 String resolvedType, int flags, int userId) { 6985 // first, check to see if we've got an instant app already installed 6986 final boolean alreadyResolvedLocally = (flags & PackageManager.MATCH_INSTANT) != 0; 6987 ResolveInfo localInstantApp = null; 6988 boolean blockResolution = false; 6989 if (!alreadyResolvedLocally) { 6990 final List<ResolveInfo> instantApps = mActivities.queryIntent(intent, resolvedType, 6991 flags 6992 | PackageManager.GET_RESOLVED_FILTER 6993 | PackageManager.MATCH_INSTANT 6994 | PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY, 6995 userId); 6996 for (int i = instantApps.size() - 1; i >= 0; --i) { 6997 final ResolveInfo info = instantApps.get(i); 6998 final String packageName = info.activityInfo.packageName; 6999 final PackageSetting ps = mSettings.mPackages.get(packageName); 7000 if (ps.getInstantApp(userId)) { 7001 final long packedStatus = getDomainVerificationStatusLPr(ps, userId); 7002 final int status = (int)(packedStatus >> 32); 7003 final int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 7004 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 7005 // there's a local instant application installed, but, the user has 7006 // chosen to never use it; skip resolution and don't acknowledge 7007 // an instant application is even available 7008 if (DEBUG_EPHEMERAL) { 7009 Slog.v(TAG, "Instant app marked to never run; pkg: " + packageName); 7010 } 7011 blockResolution = true; 7012 break; 7013 } else { 7014 // we have a locally installed instant application; skip resolution 7015 // but acknowledge there's an instant application available 7016 if (DEBUG_EPHEMERAL) { 7017 Slog.v(TAG, "Found installed instant app; pkg: " + packageName); 7018 } 7019 localInstantApp = info; 7020 break; 7021 } 7022 } 7023 } 7024 } 7025 // no app installed, let's see if one's available 7026 AuxiliaryResolveInfo auxiliaryResponse = null; 7027 if (!blockResolution) { 7028 if (localInstantApp == null) { 7029 // we don't have an instant app locally, resolve externally 7030 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 7031 final InstantAppRequest requestObject = new InstantAppRequest( 7032 null /*responseObj*/, intent /*origIntent*/, resolvedType, 7033 null /*callingPackage*/, userId, null /*verificationBundle*/); 7034 auxiliaryResponse = 7035 InstantAppResolver.doInstantAppResolutionPhaseOne( 7036 mContext, mInstantAppResolverConnection, requestObject); 7037 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7038 } else { 7039 // we have an instant application locally, but, we can't admit that since 7040 // callers shouldn't be able to determine prior browsing. create a dummy 7041 // auxiliary response so the downstream code behaves as if there's an 7042 // instant application available externally. when it comes time to start 7043 // the instant application, we'll do the right thing. 7044 final ApplicationInfo ai = localInstantApp.activityInfo.applicationInfo; 7045 auxiliaryResponse = new AuxiliaryResolveInfo( 7046 ai.packageName, null /*splitName*/, ai.versionCode, null /*failureIntent*/); 7047 } 7048 } 7049 if (auxiliaryResponse != null) { 7050 if (DEBUG_EPHEMERAL) { 7051 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 7052 } 7053 final ResolveInfo ephemeralInstaller = new ResolveInfo(mInstantAppInstallerInfo); 7054 final PackageSetting ps = 7055 mSettings.mPackages.get(mInstantAppInstallerActivity.packageName); 7056 if (ps != null) { 7057 ephemeralInstaller.activityInfo = PackageParser.generateActivityInfo( 7058 mInstantAppInstallerActivity, 0, ps.readUserState(userId), userId); 7059 ephemeralInstaller.activityInfo.launchToken = auxiliaryResponse.token; 7060 ephemeralInstaller.auxiliaryInfo = auxiliaryResponse; 7061 // make sure this resolver is the default 7062 ephemeralInstaller.isDefault = true; 7063 ephemeralInstaller.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 7064 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 7065 // add a non-generic filter 7066 ephemeralInstaller.filter = new IntentFilter(intent.getAction()); 7067 ephemeralInstaller.filter.addDataPath( 7068 intent.getData().getPath(), PatternMatcher.PATTERN_LITERAL); 7069 ephemeralInstaller.isInstantAppAvailable = true; 7070 result.add(ephemeralInstaller); 7071 } 7072 } 7073 return result; 7074 } 7075 7076 private static class CrossProfileDomainInfo { 7077 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 7078 ResolveInfo resolveInfo; 7079 /* Best domain verification status of the activities found in the other profile */ 7080 int bestDomainVerificationStatus; 7081 } 7082 7083 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 7084 String resolvedType, int flags, int sourceUserId, int parentUserId) { 7085 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 7086 sourceUserId)) { 7087 return null; 7088 } 7089 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 7090 resolvedType, flags, parentUserId); 7091 7092 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 7093 return null; 7094 } 7095 CrossProfileDomainInfo result = null; 7096 int size = resultTargetUser.size(); 7097 for (int i = 0; i < size; i++) { 7098 ResolveInfo riTargetUser = resultTargetUser.get(i); 7099 // Intent filter verification is only for filters that specify a host. So don't return 7100 // those that handle all web uris. 7101 if (riTargetUser.handleAllWebDataURI) { 7102 continue; 7103 } 7104 String packageName = riTargetUser.activityInfo.packageName; 7105 PackageSetting ps = mSettings.mPackages.get(packageName); 7106 if (ps == null) { 7107 continue; 7108 } 7109 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 7110 int status = (int)(verificationState >> 32); 7111 if (result == null) { 7112 result = new CrossProfileDomainInfo(); 7113 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 7114 sourceUserId, parentUserId); 7115 result.bestDomainVerificationStatus = status; 7116 } else { 7117 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 7118 result.bestDomainVerificationStatus); 7119 } 7120 } 7121 // Don't consider matches with status NEVER across profiles. 7122 if (result != null && result.bestDomainVerificationStatus 7123 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 7124 return null; 7125 } 7126 return result; 7127 } 7128 7129 /** 7130 * Verification statuses are ordered from the worse to the best, except for 7131 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 7132 */ 7133 private int bestDomainVerificationStatus(int status1, int status2) { 7134 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 7135 return status2; 7136 } 7137 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 7138 return status1; 7139 } 7140 return (int) MathUtils.max(status1, status2); 7141 } 7142 7143 private boolean isUserEnabled(int userId) { 7144 long callingId = Binder.clearCallingIdentity(); 7145 try { 7146 UserInfo userInfo = sUserManager.getUserInfo(userId); 7147 return userInfo != null && userInfo.isEnabled(); 7148 } finally { 7149 Binder.restoreCallingIdentity(callingId); 7150 } 7151 } 7152 7153 /** 7154 * Filter out activities with systemUserOnly flag set, when current user is not System. 7155 * 7156 * @return filtered list 7157 */ 7158 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 7159 if (userId == UserHandle.USER_SYSTEM) { 7160 return resolveInfos; 7161 } 7162 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 7163 ResolveInfo info = resolveInfos.get(i); 7164 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 7165 resolveInfos.remove(i); 7166 } 7167 } 7168 return resolveInfos; 7169 } 7170 7171 /** 7172 * Filters out ephemeral activities. 7173 * <p>When resolving for an ephemeral app, only activities that 1) are defined in the 7174 * ephemeral app or 2) marked with {@code visibleToEphemeral} are returned. 7175 * 7176 * @param resolveInfos The pre-filtered list of resolved activities 7177 * @param ephemeralPkgName The ephemeral package name. If {@code null}, no filtering 7178 * is performed. 7179 * @return A filtered list of resolved activities. 7180 */ 7181 private List<ResolveInfo> applyPostResolutionFilter(List<ResolveInfo> resolveInfos, 7182 String ephemeralPkgName) { 7183 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 7184 final ResolveInfo info = resolveInfos.get(i); 7185 final boolean isEphemeralApp = info.activityInfo.applicationInfo.isInstantApp(); 7186 // TODO: When adding on-demand split support for non-instant apps, remove this check 7187 // and always apply post filtering 7188 // allow activities that are defined in the provided package 7189 if (isEphemeralApp) { 7190 if (info.activityInfo.splitName != null 7191 && !ArrayUtils.contains(info.activityInfo.applicationInfo.splitNames, 7192 info.activityInfo.splitName)) { 7193 // requested activity is defined in a split that hasn't been installed yet. 7194 // add the installer to the resolve list 7195 if (DEBUG_EPHEMERAL) { 7196 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 7197 } 7198 final ResolveInfo installerInfo = new ResolveInfo(mInstantAppInstallerInfo); 7199 installerInfo.auxiliaryInfo = new AuxiliaryResolveInfo( 7200 info.activityInfo.packageName, info.activityInfo.splitName, 7201 info.activityInfo.applicationInfo.versionCode, null /*failureIntent*/); 7202 // make sure this resolver is the default 7203 installerInfo.isDefault = true; 7204 installerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 7205 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 7206 // add a non-generic filter 7207 installerInfo.filter = new IntentFilter(); 7208 // load resources from the correct package 7209 installerInfo.resolvePackageName = info.getComponentInfo().packageName; 7210 resolveInfos.set(i, installerInfo); 7211 continue; 7212 } 7213 } 7214 // caller is a full app, don't need to apply any other filtering 7215 if (ephemeralPkgName == null) { 7216 continue; 7217 } else if (ephemeralPkgName.equals(info.activityInfo.packageName)) { 7218 // caller is same app; don't need to apply any other filtering 7219 continue; 7220 } 7221 // allow activities that have been explicitly exposed to ephemeral apps 7222 if (!isEphemeralApp 7223 && ((info.activityInfo.flags & ActivityInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0)) { 7224 continue; 7225 } 7226 resolveInfos.remove(i); 7227 } 7228 return resolveInfos; 7229 } 7230 7231 /** 7232 * @param resolveInfos list of resolve infos in descending priority order 7233 * @return if the list contains a resolve info with non-negative priority 7234 */ 7235 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 7236 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 7237 } 7238 7239 private static boolean hasWebURI(Intent intent) { 7240 if (intent.getData() == null) { 7241 return false; 7242 } 7243 final String scheme = intent.getScheme(); 7244 if (TextUtils.isEmpty(scheme)) { 7245 return false; 7246 } 7247 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 7248 } 7249 7250 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 7251 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 7252 int userId) { 7253 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 7254 7255 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 7256 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 7257 candidates.size()); 7258 } 7259 7260 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 7261 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 7262 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 7263 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 7264 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 7265 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 7266 7267 synchronized (mPackages) { 7268 final int count = candidates.size(); 7269 // First, try to use linked apps. Partition the candidates into four lists: 7270 // one for the final results, one for the "do not use ever", one for "undefined status" 7271 // and finally one for "browser app type". 7272 for (int n=0; n<count; n++) { 7273 ResolveInfo info = candidates.get(n); 7274 String packageName = info.activityInfo.packageName; 7275 PackageSetting ps = mSettings.mPackages.get(packageName); 7276 if (ps != null) { 7277 // Add to the special match all list (Browser use case) 7278 if (info.handleAllWebDataURI) { 7279 matchAllList.add(info); 7280 continue; 7281 } 7282 // Try to get the status from User settings first 7283 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 7284 int status = (int)(packedStatus >> 32); 7285 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 7286 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 7287 if (DEBUG_DOMAIN_VERIFICATION || debug) { 7288 Slog.i(TAG, " + always: " + info.activityInfo.packageName 7289 + " : linkgen=" + linkGeneration); 7290 } 7291 // Use link-enabled generation as preferredOrder, i.e. 7292 // prefer newly-enabled over earlier-enabled. 7293 info.preferredOrder = linkGeneration; 7294 alwaysList.add(info); 7295 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 7296 if (DEBUG_DOMAIN_VERIFICATION || debug) { 7297 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 7298 } 7299 neverList.add(info); 7300 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 7301 if (DEBUG_DOMAIN_VERIFICATION || debug) { 7302 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 7303 } 7304 alwaysAskList.add(info); 7305 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 7306 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 7307 if (DEBUG_DOMAIN_VERIFICATION || debug) { 7308 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 7309 } 7310 undefinedList.add(info); 7311 } 7312 } 7313 } 7314 7315 // We'll want to include browser possibilities in a few cases 7316 boolean includeBrowser = false; 7317 7318 // First try to add the "always" resolution(s) for the current user, if any 7319 if (alwaysList.size() > 0) { 7320 result.addAll(alwaysList); 7321 } else { 7322 // Add all undefined apps as we want them to appear in the disambiguation dialog. 7323 result.addAll(undefinedList); 7324 // Maybe add one for the other profile. 7325 if (xpDomainInfo != null && ( 7326 xpDomainInfo.bestDomainVerificationStatus 7327 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 7328 result.add(xpDomainInfo.resolveInfo); 7329 } 7330 includeBrowser = true; 7331 } 7332 7333 // The presence of any 'always ask' alternatives means we'll also offer browsers. 7334 // If there were 'always' entries their preferred order has been set, so we also 7335 // back that off to make the alternatives equivalent 7336 if (alwaysAskList.size() > 0) { 7337 for (ResolveInfo i : result) { 7338 i.preferredOrder = 0; 7339 } 7340 result.addAll(alwaysAskList); 7341 includeBrowser = true; 7342 } 7343 7344 if (includeBrowser) { 7345 // Also add browsers (all of them or only the default one) 7346 if (DEBUG_DOMAIN_VERIFICATION) { 7347 Slog.v(TAG, " ...including browsers in candidate set"); 7348 } 7349 if ((matchFlags & MATCH_ALL) != 0) { 7350 result.addAll(matchAllList); 7351 } else { 7352 // Browser/generic handling case. If there's a default browser, go straight 7353 // to that (but only if there is no other higher-priority match). 7354 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 7355 int maxMatchPrio = 0; 7356 ResolveInfo defaultBrowserMatch = null; 7357 final int numCandidates = matchAllList.size(); 7358 for (int n = 0; n < numCandidates; n++) { 7359 ResolveInfo info = matchAllList.get(n); 7360 // track the highest overall match priority... 7361 if (info.priority > maxMatchPrio) { 7362 maxMatchPrio = info.priority; 7363 } 7364 // ...and the highest-priority default browser match 7365 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 7366 if (defaultBrowserMatch == null 7367 || (defaultBrowserMatch.priority < info.priority)) { 7368 if (debug) { 7369 Slog.v(TAG, "Considering default browser match " + info); 7370 } 7371 defaultBrowserMatch = info; 7372 } 7373 } 7374 } 7375 if (defaultBrowserMatch != null 7376 && defaultBrowserMatch.priority >= maxMatchPrio 7377 && !TextUtils.isEmpty(defaultBrowserPackageName)) 7378 { 7379 if (debug) { 7380 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 7381 } 7382 result.add(defaultBrowserMatch); 7383 } else { 7384 result.addAll(matchAllList); 7385 } 7386 } 7387 7388 // If there is nothing selected, add all candidates and remove the ones that the user 7389 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 7390 if (result.size() == 0) { 7391 result.addAll(candidates); 7392 result.removeAll(neverList); 7393 } 7394 } 7395 } 7396 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 7397 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 7398 result.size()); 7399 for (ResolveInfo info : result) { 7400 Slog.v(TAG, " + " + info.activityInfo); 7401 } 7402 } 7403 return result; 7404 } 7405 7406 // Returns a packed value as a long: 7407 // 7408 // high 'int'-sized word: link status: undefined/ask/never/always. 7409 // low 'int'-sized word: relative priority among 'always' results. 7410 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 7411 long result = ps.getDomainVerificationStatusForUser(userId); 7412 // if none available, get the master status 7413 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 7414 if (ps.getIntentFilterVerificationInfo() != null) { 7415 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 7416 } 7417 } 7418 return result; 7419 } 7420 7421 private ResolveInfo querySkipCurrentProfileIntents( 7422 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 7423 int flags, int sourceUserId) { 7424 if (matchingFilters != null) { 7425 int size = matchingFilters.size(); 7426 for (int i = 0; i < size; i ++) { 7427 CrossProfileIntentFilter filter = matchingFilters.get(i); 7428 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 7429 // Checking if there are activities in the target user that can handle the 7430 // intent. 7431 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 7432 resolvedType, flags, sourceUserId); 7433 if (resolveInfo != null) { 7434 return resolveInfo; 7435 } 7436 } 7437 } 7438 } 7439 return null; 7440 } 7441 7442 // Return matching ResolveInfo in target user if any. 7443 private ResolveInfo queryCrossProfileIntents( 7444 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 7445 int flags, int sourceUserId, boolean matchInCurrentProfile) { 7446 if (matchingFilters != null) { 7447 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 7448 // match the same intent. For performance reasons, it is better not to 7449 // run queryIntent twice for the same userId 7450 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 7451 int size = matchingFilters.size(); 7452 for (int i = 0; i < size; i++) { 7453 CrossProfileIntentFilter filter = matchingFilters.get(i); 7454 int targetUserId = filter.getTargetUserId(); 7455 boolean skipCurrentProfile = 7456 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 7457 boolean skipCurrentProfileIfNoMatchFound = 7458 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 7459 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 7460 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 7461 // Checking if there are activities in the target user that can handle the 7462 // intent. 7463 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 7464 resolvedType, flags, sourceUserId); 7465 if (resolveInfo != null) return resolveInfo; 7466 alreadyTriedUserIds.put(targetUserId, true); 7467 } 7468 } 7469 } 7470 return null; 7471 } 7472 7473 /** 7474 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 7475 * will forward the intent to the filter's target user. 7476 * Otherwise, returns null. 7477 */ 7478 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 7479 String resolvedType, int flags, int sourceUserId) { 7480 int targetUserId = filter.getTargetUserId(); 7481 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 7482 resolvedType, flags, targetUserId); 7483 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 7484 // If all the matches in the target profile are suspended, return null. 7485 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 7486 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 7487 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 7488 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 7489 targetUserId); 7490 } 7491 } 7492 } 7493 return null; 7494 } 7495 7496 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 7497 int sourceUserId, int targetUserId) { 7498 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 7499 long ident = Binder.clearCallingIdentity(); 7500 boolean targetIsProfile; 7501 try { 7502 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 7503 } finally { 7504 Binder.restoreCallingIdentity(ident); 7505 } 7506 String className; 7507 if (targetIsProfile) { 7508 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 7509 } else { 7510 className = FORWARD_INTENT_TO_PARENT; 7511 } 7512 ComponentName forwardingActivityComponentName = new ComponentName( 7513 mAndroidApplication.packageName, className); 7514 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 7515 sourceUserId); 7516 if (!targetIsProfile) { 7517 forwardingActivityInfo.showUserIcon = targetUserId; 7518 forwardingResolveInfo.noResourceId = true; 7519 } 7520 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 7521 forwardingResolveInfo.priority = 0; 7522 forwardingResolveInfo.preferredOrder = 0; 7523 forwardingResolveInfo.match = 0; 7524 forwardingResolveInfo.isDefault = true; 7525 forwardingResolveInfo.filter = filter; 7526 forwardingResolveInfo.targetUserId = targetUserId; 7527 return forwardingResolveInfo; 7528 } 7529 7530 @Override 7531 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 7532 Intent[] specifics, String[] specificTypes, Intent intent, 7533 String resolvedType, int flags, int userId) { 7534 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 7535 specificTypes, intent, resolvedType, flags, userId)); 7536 } 7537 7538 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 7539 Intent[] specifics, String[] specificTypes, Intent intent, 7540 String resolvedType, int flags, int userId) { 7541 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7542 final int callingUid = Binder.getCallingUid(); 7543 flags = updateFlagsForResolve(flags, userId, intent, callingUid, 7544 false /*includeInstantApps*/); 7545 enforceCrossUserPermission(callingUid, userId, 7546 false /*requireFullPermission*/, false /*checkShell*/, 7547 "query intent activity options"); 7548 final String resultsAction = intent.getAction(); 7549 7550 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 7551 | PackageManager.GET_RESOLVED_FILTER, userId); 7552 7553 if (DEBUG_INTENT_MATCHING) { 7554 Log.v(TAG, "Query " + intent + ": " + results); 7555 } 7556 7557 int specificsPos = 0; 7558 int N; 7559 7560 // todo: note that the algorithm used here is O(N^2). This 7561 // isn't a problem in our current environment, but if we start running 7562 // into situations where we have more than 5 or 10 matches then this 7563 // should probably be changed to something smarter... 7564 7565 // First we go through and resolve each of the specific items 7566 // that were supplied, taking care of removing any corresponding 7567 // duplicate items in the generic resolve list. 7568 if (specifics != null) { 7569 for (int i=0; i<specifics.length; i++) { 7570 final Intent sintent = specifics[i]; 7571 if (sintent == null) { 7572 continue; 7573 } 7574 7575 if (DEBUG_INTENT_MATCHING) { 7576 Log.v(TAG, "Specific #" + i + ": " + sintent); 7577 } 7578 7579 String action = sintent.getAction(); 7580 if (resultsAction != null && resultsAction.equals(action)) { 7581 // If this action was explicitly requested, then don't 7582 // remove things that have it. 7583 action = null; 7584 } 7585 7586 ResolveInfo ri = null; 7587 ActivityInfo ai = null; 7588 7589 ComponentName comp = sintent.getComponent(); 7590 if (comp == null) { 7591 ri = resolveIntent( 7592 sintent, 7593 specificTypes != null ? specificTypes[i] : null, 7594 flags, userId); 7595 if (ri == null) { 7596 continue; 7597 } 7598 if (ri == mResolveInfo) { 7599 // ACK! Must do something better with this. 7600 } 7601 ai = ri.activityInfo; 7602 comp = new ComponentName(ai.applicationInfo.packageName, 7603 ai.name); 7604 } else { 7605 ai = getActivityInfo(comp, flags, userId); 7606 if (ai == null) { 7607 continue; 7608 } 7609 } 7610 7611 // Look for any generic query activities that are duplicates 7612 // of this specific one, and remove them from the results. 7613 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 7614 N = results.size(); 7615 int j; 7616 for (j=specificsPos; j<N; j++) { 7617 ResolveInfo sri = results.get(j); 7618 if ((sri.activityInfo.name.equals(comp.getClassName()) 7619 && sri.activityInfo.applicationInfo.packageName.equals( 7620 comp.getPackageName())) 7621 || (action != null && sri.filter.matchAction(action))) { 7622 results.remove(j); 7623 if (DEBUG_INTENT_MATCHING) Log.v( 7624 TAG, "Removing duplicate item from " + j 7625 + " due to specific " + specificsPos); 7626 if (ri == null) { 7627 ri = sri; 7628 } 7629 j--; 7630 N--; 7631 } 7632 } 7633 7634 // Add this specific item to its proper place. 7635 if (ri == null) { 7636 ri = new ResolveInfo(); 7637 ri.activityInfo = ai; 7638 } 7639 results.add(specificsPos, ri); 7640 ri.specificIndex = i; 7641 specificsPos++; 7642 } 7643 } 7644 7645 // Now we go through the remaining generic results and remove any 7646 // duplicate actions that are found here. 7647 N = results.size(); 7648 for (int i=specificsPos; i<N-1; i++) { 7649 final ResolveInfo rii = results.get(i); 7650 if (rii.filter == null) { 7651 continue; 7652 } 7653 7654 // Iterate over all of the actions of this result's intent 7655 // filter... typically this should be just one. 7656 final Iterator<String> it = rii.filter.actionsIterator(); 7657 if (it == null) { 7658 continue; 7659 } 7660 while (it.hasNext()) { 7661 final String action = it.next(); 7662 if (resultsAction != null && resultsAction.equals(action)) { 7663 // If this action was explicitly requested, then don't 7664 // remove things that have it. 7665 continue; 7666 } 7667 for (int j=i+1; j<N; j++) { 7668 final ResolveInfo rij = results.get(j); 7669 if (rij.filter != null && rij.filter.hasAction(action)) { 7670 results.remove(j); 7671 if (DEBUG_INTENT_MATCHING) Log.v( 7672 TAG, "Removing duplicate item from " + j 7673 + " due to action " + action + " at " + i); 7674 j--; 7675 N--; 7676 } 7677 } 7678 } 7679 7680 // If the caller didn't request filter information, drop it now 7681 // so we don't have to marshall/unmarshall it. 7682 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 7683 rii.filter = null; 7684 } 7685 } 7686 7687 // Filter out the caller activity if so requested. 7688 if (caller != null) { 7689 N = results.size(); 7690 for (int i=0; i<N; i++) { 7691 ActivityInfo ainfo = results.get(i).activityInfo; 7692 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 7693 && caller.getClassName().equals(ainfo.name)) { 7694 results.remove(i); 7695 break; 7696 } 7697 } 7698 } 7699 7700 // If the caller didn't request filter information, 7701 // drop them now so we don't have to 7702 // marshall/unmarshall it. 7703 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 7704 N = results.size(); 7705 for (int i=0; i<N; i++) { 7706 results.get(i).filter = null; 7707 } 7708 } 7709 7710 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 7711 return results; 7712 } 7713 7714 @Override 7715 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 7716 String resolvedType, int flags, int userId) { 7717 return new ParceledListSlice<>( 7718 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 7719 } 7720 7721 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 7722 String resolvedType, int flags, int userId) { 7723 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7724 final int callingUid = Binder.getCallingUid(); 7725 final String instantAppPkgName = getInstantAppPackageName(callingUid); 7726 flags = updateFlagsForResolve(flags, userId, intent, callingUid, 7727 false /*includeInstantApps*/); 7728 ComponentName comp = intent.getComponent(); 7729 if (comp == null) { 7730 if (intent.getSelector() != null) { 7731 intent = intent.getSelector(); 7732 comp = intent.getComponent(); 7733 } 7734 } 7735 if (comp != null) { 7736 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 7737 final ActivityInfo ai = getReceiverInfo(comp, flags, userId); 7738 if (ai != null) { 7739 // When specifying an explicit component, we prevent the activity from being 7740 // used when either 1) the calling package is normal and the activity is within 7741 // an instant application or 2) the calling package is ephemeral and the 7742 // activity is not visible to instant applications. 7743 final boolean matchInstantApp = 7744 (flags & PackageManager.MATCH_INSTANT) != 0; 7745 final boolean matchVisibleToInstantAppOnly = 7746 (flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 7747 final boolean matchExplicitlyVisibleOnly = 7748 (flags & PackageManager.MATCH_EXPLICITLY_VISIBLE_ONLY) != 0; 7749 final boolean isCallerInstantApp = 7750 instantAppPkgName != null; 7751 final boolean isTargetSameInstantApp = 7752 comp.getPackageName().equals(instantAppPkgName); 7753 final boolean isTargetInstantApp = 7754 (ai.applicationInfo.privateFlags 7755 & ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0; 7756 final boolean isTargetVisibleToInstantApp = 7757 (ai.flags & ActivityInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0; 7758 final boolean isTargetExplicitlyVisibleToInstantApp = 7759 isTargetVisibleToInstantApp 7760 && (ai.flags & ActivityInfo.FLAG_IMPLICITLY_VISIBLE_TO_INSTANT_APP) == 0; 7761 final boolean isTargetHiddenFromInstantApp = 7762 !isTargetVisibleToInstantApp 7763 || (matchExplicitlyVisibleOnly && !isTargetExplicitlyVisibleToInstantApp); 7764 final boolean blockResolution = 7765 !isTargetSameInstantApp 7766 && ((!matchInstantApp && !isCallerInstantApp && isTargetInstantApp) 7767 || (matchVisibleToInstantAppOnly && isCallerInstantApp 7768 && isTargetHiddenFromInstantApp)); 7769 if (!blockResolution) { 7770 ResolveInfo ri = new ResolveInfo(); 7771 ri.activityInfo = ai; 7772 list.add(ri); 7773 } 7774 } 7775 return applyPostResolutionFilter(list, instantAppPkgName); 7776 } 7777 7778 // reader 7779 synchronized (mPackages) { 7780 String pkgName = intent.getPackage(); 7781 if (pkgName == null) { 7782 final List<ResolveInfo> result = 7783 mReceivers.queryIntent(intent, resolvedType, flags, userId); 7784 return applyPostResolutionFilter(result, instantAppPkgName); 7785 } 7786 final PackageParser.Package pkg = mPackages.get(pkgName); 7787 if (pkg != null) { 7788 final List<ResolveInfo> result = mReceivers.queryIntentForPackage( 7789 intent, resolvedType, flags, pkg.receivers, userId); 7790 return applyPostResolutionFilter(result, instantAppPkgName); 7791 } 7792 return Collections.emptyList(); 7793 } 7794 } 7795 7796 @Override 7797 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 7798 final int callingUid = Binder.getCallingUid(); 7799 return resolveServiceInternal(intent, resolvedType, flags, userId, callingUid); 7800 } 7801 7802 private ResolveInfo resolveServiceInternal(Intent intent, String resolvedType, int flags, 7803 int userId, int callingUid) { 7804 if (!sUserManager.exists(userId)) return null; 7805 flags = updateFlagsForResolve( 7806 flags, userId, intent, callingUid, false /*includeInstantApps*/); 7807 List<ResolveInfo> query = queryIntentServicesInternal( 7808 intent, resolvedType, flags, userId, callingUid, false /*includeInstantApps*/); 7809 if (query != null) { 7810 if (query.size() >= 1) { 7811 // If there is more than one service with the same priority, 7812 // just arbitrarily pick the first one. 7813 return query.get(0); 7814 } 7815 } 7816 return null; 7817 } 7818 7819 @Override 7820 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 7821 String resolvedType, int flags, int userId) { 7822 final int callingUid = Binder.getCallingUid(); 7823 return new ParceledListSlice<>(queryIntentServicesInternal( 7824 intent, resolvedType, flags, userId, callingUid, false /*includeInstantApps*/)); 7825 } 7826 7827 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 7828 String resolvedType, int flags, int userId, int callingUid, 7829 boolean includeInstantApps) { 7830 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7831 final String instantAppPkgName = getInstantAppPackageName(callingUid); 7832 flags = updateFlagsForResolve(flags, userId, intent, callingUid, includeInstantApps); 7833 ComponentName comp = intent.getComponent(); 7834 if (comp == null) { 7835 if (intent.getSelector() != null) { 7836 intent = intent.getSelector(); 7837 comp = intent.getComponent(); 7838 } 7839 } 7840 if (comp != null) { 7841 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 7842 final ServiceInfo si = getServiceInfo(comp, flags, userId); 7843 if (si != null) { 7844 // When specifying an explicit component, we prevent the service from being 7845 // used when either 1) the service is in an instant application and the 7846 // caller is not the same instant application or 2) the calling package is 7847 // ephemeral and the activity is not visible to ephemeral applications. 7848 final boolean matchInstantApp = 7849 (flags & PackageManager.MATCH_INSTANT) != 0; 7850 final boolean matchVisibleToInstantAppOnly = 7851 (flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 7852 final boolean isCallerInstantApp = 7853 instantAppPkgName != null; 7854 final boolean isTargetSameInstantApp = 7855 comp.getPackageName().equals(instantAppPkgName); 7856 final boolean isTargetInstantApp = 7857 (si.applicationInfo.privateFlags 7858 & ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0; 7859 final boolean isTargetHiddenFromInstantApp = 7860 (si.flags & ServiceInfo.FLAG_VISIBLE_TO_INSTANT_APP) == 0; 7861 final boolean blockResolution = 7862 !isTargetSameInstantApp 7863 && ((!matchInstantApp && !isCallerInstantApp && isTargetInstantApp) 7864 || (matchVisibleToInstantAppOnly && isCallerInstantApp 7865 && isTargetHiddenFromInstantApp)); 7866 if (!blockResolution) { 7867 final ResolveInfo ri = new ResolveInfo(); 7868 ri.serviceInfo = si; 7869 list.add(ri); 7870 } 7871 } 7872 return list; 7873 } 7874 7875 // reader 7876 synchronized (mPackages) { 7877 String pkgName = intent.getPackage(); 7878 if (pkgName == null) { 7879 return applyPostServiceResolutionFilter( 7880 mServices.queryIntent(intent, resolvedType, flags, userId), 7881 instantAppPkgName); 7882 } 7883 final PackageParser.Package pkg = mPackages.get(pkgName); 7884 if (pkg != null) { 7885 return applyPostServiceResolutionFilter( 7886 mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 7887 userId), 7888 instantAppPkgName); 7889 } 7890 return Collections.emptyList(); 7891 } 7892 } 7893 7894 private List<ResolveInfo> applyPostServiceResolutionFilter(List<ResolveInfo> resolveInfos, 7895 String instantAppPkgName) { 7896 // TODO: When adding on-demand split support for non-instant apps, remove this check 7897 // and always apply post filtering 7898 if (instantAppPkgName == null) { 7899 return resolveInfos; 7900 } 7901 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 7902 final ResolveInfo info = resolveInfos.get(i); 7903 final boolean isEphemeralApp = info.serviceInfo.applicationInfo.isInstantApp(); 7904 // allow services that are defined in the provided package 7905 if (isEphemeralApp && instantAppPkgName.equals(info.serviceInfo.packageName)) { 7906 if (info.serviceInfo.splitName != null 7907 && !ArrayUtils.contains(info.serviceInfo.applicationInfo.splitNames, 7908 info.serviceInfo.splitName)) { 7909 // requested service is defined in a split that hasn't been installed yet. 7910 // add the installer to the resolve list 7911 if (DEBUG_EPHEMERAL) { 7912 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 7913 } 7914 final ResolveInfo installerInfo = new ResolveInfo(mInstantAppInstallerInfo); 7915 installerInfo.auxiliaryInfo = new AuxiliaryResolveInfo( 7916 info.serviceInfo.packageName, info.serviceInfo.splitName, 7917 info.serviceInfo.applicationInfo.versionCode, null /*failureIntent*/); 7918 // make sure this resolver is the default 7919 installerInfo.isDefault = true; 7920 installerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 7921 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 7922 // add a non-generic filter 7923 installerInfo.filter = new IntentFilter(); 7924 // load resources from the correct package 7925 installerInfo.resolvePackageName = info.getComponentInfo().packageName; 7926 resolveInfos.set(i, installerInfo); 7927 } 7928 continue; 7929 } 7930 // allow services that have been explicitly exposed to ephemeral apps 7931 if (!isEphemeralApp 7932 && ((info.serviceInfo.flags & ServiceInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0)) { 7933 continue; 7934 } 7935 resolveInfos.remove(i); 7936 } 7937 return resolveInfos; 7938 } 7939 7940 @Override 7941 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 7942 String resolvedType, int flags, int userId) { 7943 return new ParceledListSlice<>( 7944 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 7945 } 7946 7947 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 7948 Intent intent, String resolvedType, int flags, int userId) { 7949 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7950 final int callingUid = Binder.getCallingUid(); 7951 final String instantAppPkgName = getInstantAppPackageName(callingUid); 7952 flags = updateFlagsForResolve(flags, userId, intent, callingUid, 7953 false /*includeInstantApps*/); 7954 ComponentName comp = intent.getComponent(); 7955 if (comp == null) { 7956 if (intent.getSelector() != null) { 7957 intent = intent.getSelector(); 7958 comp = intent.getComponent(); 7959 } 7960 } 7961 if (comp != null) { 7962 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 7963 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 7964 if (pi != null) { 7965 // When specifying an explicit component, we prevent the provider from being 7966 // used when either 1) the provider is in an instant application and the 7967 // caller is not the same instant application or 2) the calling package is an 7968 // instant application and the provider is not visible to instant applications. 7969 final boolean matchInstantApp = 7970 (flags & PackageManager.MATCH_INSTANT) != 0; 7971 final boolean matchVisibleToInstantAppOnly = 7972 (flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 7973 final boolean isCallerInstantApp = 7974 instantAppPkgName != null; 7975 final boolean isTargetSameInstantApp = 7976 comp.getPackageName().equals(instantAppPkgName); 7977 final boolean isTargetInstantApp = 7978 (pi.applicationInfo.privateFlags 7979 & ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0; 7980 final boolean isTargetHiddenFromInstantApp = 7981 (pi.flags & ProviderInfo.FLAG_VISIBLE_TO_INSTANT_APP) == 0; 7982 final boolean blockResolution = 7983 !isTargetSameInstantApp 7984 && ((!matchInstantApp && !isCallerInstantApp && isTargetInstantApp) 7985 || (matchVisibleToInstantAppOnly && isCallerInstantApp 7986 && isTargetHiddenFromInstantApp)); 7987 if (!blockResolution) { 7988 final ResolveInfo ri = new ResolveInfo(); 7989 ri.providerInfo = pi; 7990 list.add(ri); 7991 } 7992 } 7993 return list; 7994 } 7995 7996 // reader 7997 synchronized (mPackages) { 7998 String pkgName = intent.getPackage(); 7999 if (pkgName == null) { 8000 return applyPostContentProviderResolutionFilter( 8001 mProviders.queryIntent(intent, resolvedType, flags, userId), 8002 instantAppPkgName); 8003 } 8004 final PackageParser.Package pkg = mPackages.get(pkgName); 8005 if (pkg != null) { 8006 return applyPostContentProviderResolutionFilter( 8007 mProviders.queryIntentForPackage( 8008 intent, resolvedType, flags, pkg.providers, userId), 8009 instantAppPkgName); 8010 } 8011 return Collections.emptyList(); 8012 } 8013 } 8014 8015 private List<ResolveInfo> applyPostContentProviderResolutionFilter( 8016 List<ResolveInfo> resolveInfos, String instantAppPkgName) { 8017 // TODO: When adding on-demand split support for non-instant applications, remove 8018 // this check and always apply post filtering 8019 if (instantAppPkgName == null) { 8020 return resolveInfos; 8021 } 8022 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 8023 final ResolveInfo info = resolveInfos.get(i); 8024 final boolean isEphemeralApp = info.providerInfo.applicationInfo.isInstantApp(); 8025 // allow providers that are defined in the provided package 8026 if (isEphemeralApp && instantAppPkgName.equals(info.providerInfo.packageName)) { 8027 if (info.providerInfo.splitName != null 8028 && !ArrayUtils.contains(info.providerInfo.applicationInfo.splitNames, 8029 info.providerInfo.splitName)) { 8030 // requested provider is defined in a split that hasn't been installed yet. 8031 // add the installer to the resolve list 8032 if (DEBUG_EPHEMERAL) { 8033 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 8034 } 8035 final ResolveInfo installerInfo = new ResolveInfo(mInstantAppInstallerInfo); 8036 installerInfo.auxiliaryInfo = new AuxiliaryResolveInfo( 8037 info.providerInfo.packageName, info.providerInfo.splitName, 8038 info.providerInfo.applicationInfo.versionCode, null /*failureIntent*/); 8039 // make sure this resolver is the default 8040 installerInfo.isDefault = true; 8041 installerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 8042 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 8043 // add a non-generic filter 8044 installerInfo.filter = new IntentFilter(); 8045 // load resources from the correct package 8046 installerInfo.resolvePackageName = info.getComponentInfo().packageName; 8047 resolveInfos.set(i, installerInfo); 8048 } 8049 continue; 8050 } 8051 // allow providers that have been explicitly exposed to instant applications 8052 if (!isEphemeralApp 8053 && ((info.providerInfo.flags & ProviderInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0)) { 8054 continue; 8055 } 8056 resolveInfos.remove(i); 8057 } 8058 return resolveInfos; 8059 } 8060 8061 @Override 8062 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 8063 final int callingUid = Binder.getCallingUid(); 8064 if (getInstantAppPackageName(callingUid) != null) { 8065 return ParceledListSlice.emptyList(); 8066 } 8067 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 8068 flags = updateFlagsForPackage(flags, userId, null); 8069 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 8070 enforceCrossUserPermission(callingUid, userId, 8071 true /* requireFullPermission */, false /* checkShell */, 8072 "get installed packages"); 8073 8074 // writer 8075 synchronized (mPackages) { 8076 ArrayList<PackageInfo> list; 8077 if (listUninstalled) { 8078 list = new ArrayList<>(mSettings.mPackages.size()); 8079 for (PackageSetting ps : mSettings.mPackages.values()) { 8080 if (filterSharedLibPackageLPr(ps, callingUid, userId, flags)) { 8081 continue; 8082 } 8083 if (filterAppAccessLPr(ps, callingUid, userId)) { 8084 return null; 8085 } 8086 final PackageInfo pi = generatePackageInfo(ps, flags, userId); 8087 if (pi != null) { 8088 list.add(pi); 8089 } 8090 } 8091 } else { 8092 list = new ArrayList<>(mPackages.size()); 8093 for (PackageParser.Package p : mPackages.values()) { 8094 final PackageSetting ps = (PackageSetting) p.mExtras; 8095 if (filterSharedLibPackageLPr(ps, callingUid, userId, flags)) { 8096 continue; 8097 } 8098 if (filterAppAccessLPr(ps, callingUid, userId)) { 8099 return null; 8100 } 8101 final PackageInfo pi = generatePackageInfo((PackageSetting) 8102 p.mExtras, flags, userId); 8103 if (pi != null) { 8104 list.add(pi); 8105 } 8106 } 8107 } 8108 8109 return new ParceledListSlice<>(list); 8110 } 8111 } 8112 8113 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 8114 String[] permissions, boolean[] tmp, int flags, int userId) { 8115 int numMatch = 0; 8116 final PermissionsState permissionsState = ps.getPermissionsState(); 8117 for (int i=0; i<permissions.length; i++) { 8118 final String permission = permissions[i]; 8119 if (permissionsState.hasPermission(permission, userId)) { 8120 tmp[i] = true; 8121 numMatch++; 8122 } else { 8123 tmp[i] = false; 8124 } 8125 } 8126 if (numMatch == 0) { 8127 return; 8128 } 8129 final PackageInfo pi = generatePackageInfo(ps, flags, userId); 8130 8131 // The above might return null in cases of uninstalled apps or install-state 8132 // skew across users/profiles. 8133 if (pi != null) { 8134 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 8135 if (numMatch == permissions.length) { 8136 pi.requestedPermissions = permissions; 8137 } else { 8138 pi.requestedPermissions = new String[numMatch]; 8139 numMatch = 0; 8140 for (int i=0; i<permissions.length; i++) { 8141 if (tmp[i]) { 8142 pi.requestedPermissions[numMatch] = permissions[i]; 8143 numMatch++; 8144 } 8145 } 8146 } 8147 } 8148 list.add(pi); 8149 } 8150 } 8151 8152 @Override 8153 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 8154 String[] permissions, int flags, int userId) { 8155 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 8156 flags = updateFlagsForPackage(flags, userId, permissions); 8157 enforceCrossUserPermission(Binder.getCallingUid(), userId, 8158 true /* requireFullPermission */, false /* checkShell */, 8159 "get packages holding permissions"); 8160 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 8161 8162 // writer 8163 synchronized (mPackages) { 8164 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 8165 boolean[] tmpBools = new boolean[permissions.length]; 8166 if (listUninstalled) { 8167 for (PackageSetting ps : mSettings.mPackages.values()) { 8168 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 8169 userId); 8170 } 8171 } else { 8172 for (PackageParser.Package pkg : mPackages.values()) { 8173 PackageSetting ps = (PackageSetting)pkg.mExtras; 8174 if (ps != null) { 8175 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 8176 userId); 8177 } 8178 } 8179 } 8180 8181 return new ParceledListSlice<PackageInfo>(list); 8182 } 8183 } 8184 8185 @Override 8186 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 8187 final int callingUid = Binder.getCallingUid(); 8188 if (getInstantAppPackageName(callingUid) != null) { 8189 return ParceledListSlice.emptyList(); 8190 } 8191 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 8192 flags = updateFlagsForApplication(flags, userId, null); 8193 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 8194 8195 // writer 8196 synchronized (mPackages) { 8197 ArrayList<ApplicationInfo> list; 8198 if (listUninstalled) { 8199 list = new ArrayList<>(mSettings.mPackages.size()); 8200 for (PackageSetting ps : mSettings.mPackages.values()) { 8201 ApplicationInfo ai; 8202 int effectiveFlags = flags; 8203 if (ps.isSystem()) { 8204 effectiveFlags |= PackageManager.MATCH_ANY_USER; 8205 } 8206 if (ps.pkg != null) { 8207 if (filterSharedLibPackageLPr(ps, callingUid, userId, flags)) { 8208 continue; 8209 } 8210 if (filterAppAccessLPr(ps, callingUid, userId)) { 8211 return null; 8212 } 8213 ai = PackageParser.generateApplicationInfo(ps.pkg, effectiveFlags, 8214 ps.readUserState(userId), userId); 8215 if (ai != null) { 8216 ai.packageName = resolveExternalPackageNameLPr(ps.pkg); 8217 } 8218 } else { 8219 // Shared lib filtering done in generateApplicationInfoFromSettingsLPw 8220 // and already converts to externally visible package name 8221 ai = generateApplicationInfoFromSettingsLPw(ps.name, 8222 callingUid, effectiveFlags, userId); 8223 } 8224 if (ai != null) { 8225 list.add(ai); 8226 } 8227 } 8228 } else { 8229 list = new ArrayList<>(mPackages.size()); 8230 for (PackageParser.Package p : mPackages.values()) { 8231 if (p.mExtras != null) { 8232 PackageSetting ps = (PackageSetting) p.mExtras; 8233 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId, flags)) { 8234 continue; 8235 } 8236 if (filterAppAccessLPr(ps, callingUid, userId)) { 8237 return null; 8238 } 8239 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 8240 ps.readUserState(userId), userId); 8241 if (ai != null) { 8242 ai.packageName = resolveExternalPackageNameLPr(p); 8243 list.add(ai); 8244 } 8245 } 8246 } 8247 } 8248 8249 return new ParceledListSlice<>(list); 8250 } 8251 } 8252 8253 @Override 8254 public ParceledListSlice<InstantAppInfo> getInstantApps(int userId) { 8255 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 8256 return null; 8257 } 8258 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_INSTANT_APPS, 8259 "getEphemeralApplications"); 8260 enforceCrossUserPermission(Binder.getCallingUid(), userId, 8261 true /* requireFullPermission */, false /* checkShell */, 8262 "getEphemeralApplications"); 8263 synchronized (mPackages) { 8264 List<InstantAppInfo> instantApps = mInstantAppRegistry 8265 .getInstantAppsLPr(userId); 8266 if (instantApps != null) { 8267 return new ParceledListSlice<>(instantApps); 8268 } 8269 } 8270 return null; 8271 } 8272 8273 @Override 8274 public boolean isInstantApp(String packageName, int userId) { 8275 enforceCrossUserPermission(Binder.getCallingUid(), userId, 8276 true /* requireFullPermission */, false /* checkShell */, 8277 "isInstantApp"); 8278 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 8279 return false; 8280 } 8281 int callingUid = Binder.getCallingUid(); 8282 if (Process.isIsolated(callingUid)) { 8283 callingUid = mIsolatedOwners.get(callingUid); 8284 } 8285 8286 synchronized (mPackages) { 8287 final PackageSetting ps = mSettings.mPackages.get(packageName); 8288 PackageParser.Package pkg = mPackages.get(packageName); 8289 final boolean returnAllowed = 8290 ps != null 8291 && (isCallerSameApp(packageName, callingUid) 8292 || canViewInstantApps(callingUid, userId) 8293 || mInstantAppRegistry.isInstantAccessGranted( 8294 userId, UserHandle.getAppId(callingUid), ps.appId)); 8295 if (returnAllowed) { 8296 return ps.getInstantApp(userId); 8297 } 8298 } 8299 return false; 8300 } 8301 8302 @Override 8303 public byte[] getInstantAppCookie(String packageName, int userId) { 8304 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 8305 return null; 8306 } 8307 8308 enforceCrossUserPermission(Binder.getCallingUid(), userId, 8309 true /* requireFullPermission */, false /* checkShell */, 8310 "getInstantAppCookie"); 8311 if (!isCallerSameApp(packageName, Binder.getCallingUid())) { 8312 return null; 8313 } 8314 synchronized (mPackages) { 8315 return mInstantAppRegistry.getInstantAppCookieLPw( 8316 packageName, userId); 8317 } 8318 } 8319 8320 @Override 8321 public boolean setInstantAppCookie(String packageName, byte[] cookie, int userId) { 8322 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 8323 return true; 8324 } 8325 8326 enforceCrossUserPermission(Binder.getCallingUid(), userId, 8327 true /* requireFullPermission */, true /* checkShell */, 8328 "setInstantAppCookie"); 8329 if (!isCallerSameApp(packageName, Binder.getCallingUid())) { 8330 return false; 8331 } 8332 synchronized (mPackages) { 8333 return mInstantAppRegistry.setInstantAppCookieLPw( 8334 packageName, cookie, userId); 8335 } 8336 } 8337 8338 @Override 8339 public Bitmap getInstantAppIcon(String packageName, int userId) { 8340 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 8341 return null; 8342 } 8343 8344 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_INSTANT_APPS, 8345 "getInstantAppIcon"); 8346 8347 enforceCrossUserPermission(Binder.getCallingUid(), userId, 8348 true /* requireFullPermission */, false /* checkShell */, 8349 "getInstantAppIcon"); 8350 8351 synchronized (mPackages) { 8352 return mInstantAppRegistry.getInstantAppIconLPw( 8353 packageName, userId); 8354 } 8355 } 8356 8357 private boolean isCallerSameApp(String packageName, int uid) { 8358 PackageParser.Package pkg = mPackages.get(packageName); 8359 return pkg != null 8360 && UserHandle.getAppId(uid) == pkg.applicationInfo.uid; 8361 } 8362 8363 @Override 8364 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 8365 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 8366 return ParceledListSlice.emptyList(); 8367 } 8368 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 8369 } 8370 8371 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 8372 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 8373 8374 // reader 8375 synchronized (mPackages) { 8376 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 8377 final int userId = UserHandle.getCallingUserId(); 8378 while (i.hasNext()) { 8379 final PackageParser.Package p = i.next(); 8380 if (p.applicationInfo == null) continue; 8381 8382 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 8383 && !p.applicationInfo.isDirectBootAware(); 8384 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 8385 && p.applicationInfo.isDirectBootAware(); 8386 8387 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 8388 && (!mSafeMode || isSystemApp(p)) 8389 && (matchesUnaware || matchesAware)) { 8390 PackageSetting ps = mSettings.mPackages.get(p.packageName); 8391 if (ps != null) { 8392 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 8393 ps.readUserState(userId), userId); 8394 if (ai != null) { 8395 finalList.add(ai); 8396 } 8397 } 8398 } 8399 } 8400 } 8401 8402 return finalList; 8403 } 8404 8405 @Override 8406 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 8407 if (!sUserManager.exists(userId)) return null; 8408 flags = updateFlagsForComponent(flags, userId, name); 8409 final String instantAppPkgName = getInstantAppPackageName(Binder.getCallingUid()); 8410 // reader 8411 synchronized (mPackages) { 8412 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 8413 PackageSetting ps = provider != null 8414 ? mSettings.mPackages.get(provider.owner.packageName) 8415 : null; 8416 if (ps != null) { 8417 final boolean isInstantApp = ps.getInstantApp(userId); 8418 // normal application; filter out instant application provider 8419 if (instantAppPkgName == null && isInstantApp) { 8420 return null; 8421 } 8422 // instant application; filter out other instant applications 8423 if (instantAppPkgName != null 8424 && isInstantApp 8425 && !provider.owner.packageName.equals(instantAppPkgName)) { 8426 return null; 8427 } 8428 // instant application; filter out non-exposed provider 8429 if (instantAppPkgName != null 8430 && !isInstantApp 8431 && (provider.info.flags & ProviderInfo.FLAG_VISIBLE_TO_INSTANT_APP) == 0) { 8432 return null; 8433 } 8434 // provider not enabled 8435 if (!mSettings.isEnabledAndMatchLPr(provider.info, flags, userId)) { 8436 return null; 8437 } 8438 return PackageParser.generateProviderInfo( 8439 provider, flags, ps.readUserState(userId), userId); 8440 } 8441 return null; 8442 } 8443 } 8444 8445 /** 8446 * @deprecated 8447 */ 8448 @Deprecated 8449 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 8450 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 8451 return; 8452 } 8453 // reader 8454 synchronized (mPackages) { 8455 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 8456 .entrySet().iterator(); 8457 final int userId = UserHandle.getCallingUserId(); 8458 while (i.hasNext()) { 8459 Map.Entry<String, PackageParser.Provider> entry = i.next(); 8460 PackageParser.Provider p = entry.getValue(); 8461 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 8462 8463 if (ps != null && p.syncable 8464 && (!mSafeMode || (p.info.applicationInfo.flags 8465 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 8466 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 8467 ps.readUserState(userId), userId); 8468 if (info != null) { 8469 outNames.add(entry.getKey()); 8470 outInfo.add(info); 8471 } 8472 } 8473 } 8474 } 8475 } 8476 8477 @Override 8478 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 8479 int uid, int flags, String metaDataKey) { 8480 final int callingUid = Binder.getCallingUid(); 8481 final int userId = processName != null ? UserHandle.getUserId(uid) 8482 : UserHandle.getCallingUserId(); 8483 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 8484 flags = updateFlagsForComponent(flags, userId, processName); 8485 ArrayList<ProviderInfo> finalList = null; 8486 // reader 8487 synchronized (mPackages) { 8488 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 8489 while (i.hasNext()) { 8490 final PackageParser.Provider p = i.next(); 8491 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 8492 if (ps != null && p.info.authority != null 8493 && (processName == null 8494 || (p.info.processName.equals(processName) 8495 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 8496 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 8497 8498 // See PM.queryContentProviders()'s javadoc for why we have the metaData 8499 // parameter. 8500 if (metaDataKey != null 8501 && (p.metaData == null || !p.metaData.containsKey(metaDataKey))) { 8502 continue; 8503 } 8504 final ComponentName component = 8505 new ComponentName(p.info.packageName, p.info.name); 8506 if (filterAppAccessLPr(ps, callingUid, component, TYPE_PROVIDER, userId)) { 8507 continue; 8508 } 8509 if (finalList == null) { 8510 finalList = new ArrayList<ProviderInfo>(3); 8511 } 8512 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 8513 ps.readUserState(userId), userId); 8514 if (info != null) { 8515 finalList.add(info); 8516 } 8517 } 8518 } 8519 } 8520 8521 if (finalList != null) { 8522 Collections.sort(finalList, mProviderInitOrderSorter); 8523 return new ParceledListSlice<ProviderInfo>(finalList); 8524 } 8525 8526 return ParceledListSlice.emptyList(); 8527 } 8528 8529 @Override 8530 public InstrumentationInfo getInstrumentationInfo(ComponentName component, int flags) { 8531 // reader 8532 synchronized (mPackages) { 8533 final int callingUid = Binder.getCallingUid(); 8534 final int callingUserId = UserHandle.getUserId(callingUid); 8535 final PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 8536 if (ps == null) return null; 8537 if (filterAppAccessLPr(ps, callingUid, component, TYPE_UNKNOWN, callingUserId)) { 8538 return null; 8539 } 8540 final PackageParser.Instrumentation i = mInstrumentation.get(component); 8541 return PackageParser.generateInstrumentationInfo(i, flags); 8542 } 8543 } 8544 8545 @Override 8546 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 8547 String targetPackage, int flags) { 8548 final int callingUid = Binder.getCallingUid(); 8549 final int callingUserId = UserHandle.getUserId(callingUid); 8550 final PackageSetting ps = mSettings.mPackages.get(targetPackage); 8551 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 8552 return ParceledListSlice.emptyList(); 8553 } 8554 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 8555 } 8556 8557 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 8558 int flags) { 8559 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 8560 8561 // reader 8562 synchronized (mPackages) { 8563 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 8564 while (i.hasNext()) { 8565 final PackageParser.Instrumentation p = i.next(); 8566 if (targetPackage == null 8567 || targetPackage.equals(p.info.targetPackage)) { 8568 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 8569 flags); 8570 if (ii != null) { 8571 finalList.add(ii); 8572 } 8573 } 8574 } 8575 } 8576 8577 return finalList; 8578 } 8579 8580 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 8581 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir [" + dir.getAbsolutePath() + "]"); 8582 try { 8583 scanDirLI(dir, parseFlags, scanFlags, currentTime); 8584 } finally { 8585 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8586 } 8587 } 8588 8589 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 8590 final File[] files = dir.listFiles(); 8591 if (ArrayUtils.isEmpty(files)) { 8592 Log.d(TAG, "No files in app dir " + dir); 8593 return; 8594 } 8595 8596 if (DEBUG_PACKAGE_SCANNING) { 8597 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 8598 + " flags=0x" + Integer.toHexString(parseFlags)); 8599 } 8600 ParallelPackageParser parallelPackageParser = new ParallelPackageParser( 8601 mSeparateProcesses, mOnlyCore, mMetrics, mCacheDir, 8602 mParallelPackageParserCallback); 8603 8604 // Submit files for parsing in parallel 8605 int fileCount = 0; 8606 for (File file : files) { 8607 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 8608 && !PackageInstallerService.isStageName(file.getName()); 8609 if (!isPackage) { 8610 // Ignore entries which are not packages 8611 continue; 8612 } 8613 parallelPackageParser.submit(file, parseFlags); 8614 fileCount++; 8615 } 8616 8617 // Process results one by one 8618 for (; fileCount > 0; fileCount--) { 8619 ParallelPackageParser.ParseResult parseResult = parallelPackageParser.take(); 8620 Throwable throwable = parseResult.throwable; 8621 int errorCode = PackageManager.INSTALL_SUCCEEDED; 8622 8623 if (throwable == null) { 8624 // Static shared libraries have synthetic package names 8625 if (parseResult.pkg.applicationInfo.isStaticSharedLibrary()) { 8626 renameStaticSharedLibraryPackage(parseResult.pkg); 8627 } 8628 try { 8629 if (errorCode == PackageManager.INSTALL_SUCCEEDED) { 8630 scanPackageLI(parseResult.pkg, parseResult.scanFile, parseFlags, scanFlags, 8631 currentTime, null); 8632 } 8633 } catch (PackageManagerException e) { 8634 errorCode = e.error; 8635 Slog.w(TAG, "Failed to scan " + parseResult.scanFile + ": " + e.getMessage()); 8636 } 8637 } else if (throwable instanceof PackageParser.PackageParserException) { 8638 PackageParser.PackageParserException e = (PackageParser.PackageParserException) 8639 throwable; 8640 errorCode = e.error; 8641 Slog.w(TAG, "Failed to parse " + parseResult.scanFile + ": " + e.getMessage()); 8642 } else { 8643 throw new IllegalStateException("Unexpected exception occurred while parsing " 8644 + parseResult.scanFile, throwable); 8645 } 8646 8647 // Delete invalid userdata apps 8648 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 8649 errorCode == PackageManager.INSTALL_FAILED_INVALID_APK) { 8650 logCriticalInfo(Log.WARN, 8651 "Deleting invalid package at " + parseResult.scanFile); 8652 removeCodePathLI(parseResult.scanFile); 8653 } 8654 } 8655 parallelPackageParser.close(); 8656 } 8657 8658 private static File getSettingsProblemFile() { 8659 File dataDir = Environment.getDataDirectory(); 8660 File systemDir = new File(dataDir, "system"); 8661 File fname = new File(systemDir, "uiderrors.txt"); 8662 return fname; 8663 } 8664 8665 static void reportSettingsProblem(int priority, String msg) { 8666 logCriticalInfo(priority, msg); 8667 } 8668 8669 public static void logCriticalInfo(int priority, String msg) { 8670 Slog.println(priority, TAG, msg); 8671 EventLogTags.writePmCriticalInfo(msg); 8672 try { 8673 File fname = getSettingsProblemFile(); 8674 FileOutputStream out = new FileOutputStream(fname, true); 8675 PrintWriter pw = new FastPrintWriter(out); 8676 SimpleDateFormat formatter = new SimpleDateFormat(); 8677 String dateString = formatter.format(new Date(System.currentTimeMillis())); 8678 pw.println(dateString + ": " + msg); 8679 pw.close(); 8680 FileUtils.setPermissions( 8681 fname.toString(), 8682 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 8683 -1, -1); 8684 } catch (java.io.IOException e) { 8685 } 8686 } 8687 8688 private long getLastModifiedTime(PackageParser.Package pkg, File srcFile) { 8689 if (srcFile.isDirectory()) { 8690 final File baseFile = new File(pkg.baseCodePath); 8691 long maxModifiedTime = baseFile.lastModified(); 8692 if (pkg.splitCodePaths != null) { 8693 for (int i = pkg.splitCodePaths.length - 1; i >=0; --i) { 8694 final File splitFile = new File(pkg.splitCodePaths[i]); 8695 maxModifiedTime = Math.max(maxModifiedTime, splitFile.lastModified()); 8696 } 8697 } 8698 return maxModifiedTime; 8699 } 8700 return srcFile.lastModified(); 8701 } 8702 8703 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 8704 final int policyFlags) throws PackageManagerException { 8705 // When upgrading from pre-N MR1, verify the package time stamp using the package 8706 // directory and not the APK file. 8707 final long lastModifiedTime = mIsPreNMR1Upgrade 8708 ? new File(pkg.codePath).lastModified() : getLastModifiedTime(pkg, srcFile); 8709 if (ps != null 8710 && ps.codePath.equals(srcFile) 8711 && ps.timeStamp == lastModifiedTime 8712 && !isCompatSignatureUpdateNeeded(pkg) 8713 && !isRecoverSignatureUpdateNeeded(pkg)) { 8714 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 8715 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8716 ArraySet<PublicKey> signingKs; 8717 synchronized (mPackages) { 8718 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 8719 } 8720 if (ps.signatures.mSignatures != null 8721 && ps.signatures.mSignatures.length != 0 8722 && signingKs != null) { 8723 // Optimization: reuse the existing cached certificates 8724 // if the package appears to be unchanged. 8725 pkg.mSignatures = ps.signatures.mSignatures; 8726 pkg.mSigningKeys = signingKs; 8727 return; 8728 } 8729 8730 Slog.w(TAG, "PackageSetting for " + ps.name 8731 + " is missing signatures. Collecting certs again to recover them."); 8732 } else { 8733 Slog.i(TAG, srcFile.toString() + " changed; collecting certs"); 8734 } 8735 8736 try { 8737 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 8738 PackageParser.collectCertificates(pkg, policyFlags); 8739 } catch (PackageParserException e) { 8740 throw PackageManagerException.from(e); 8741 } finally { 8742 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8743 } 8744 } 8745 8746 /** 8747 * Traces a package scan. 8748 * @see #scanPackageLI(File, int, int, long, UserHandle) 8749 */ 8750 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 8751 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 8752 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage [" + scanFile.toString() + "]"); 8753 try { 8754 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 8755 } finally { 8756 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8757 } 8758 } 8759 8760 /** 8761 * Scans a package and returns the newly parsed package. 8762 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 8763 */ 8764 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 8765 long currentTime, UserHandle user) throws PackageManagerException { 8766 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 8767 PackageParser pp = new PackageParser(); 8768 pp.setSeparateProcesses(mSeparateProcesses); 8769 pp.setOnlyCoreApps(mOnlyCore); 8770 pp.setDisplayMetrics(mMetrics); 8771 pp.setCallback(mPackageParserCallback); 8772 8773 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 8774 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 8775 } 8776 8777 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 8778 final PackageParser.Package pkg; 8779 try { 8780 pkg = pp.parsePackage(scanFile, parseFlags); 8781 } catch (PackageParserException e) { 8782 throw PackageManagerException.from(e); 8783 } finally { 8784 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8785 } 8786 8787 // Static shared libraries have synthetic package names 8788 if (pkg.applicationInfo.isStaticSharedLibrary()) { 8789 renameStaticSharedLibraryPackage(pkg); 8790 } 8791 8792 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 8793 } 8794 8795 /** 8796 * Scans a package and returns the newly parsed package. 8797 * @throws PackageManagerException on a parse error. 8798 */ 8799 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 8800 final int policyFlags, int scanFlags, long currentTime, @Nullable UserHandle user) 8801 throws PackageManagerException { 8802 // If the package has children and this is the first dive in the function 8803 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 8804 // packages (parent and children) would be successfully scanned before the 8805 // actual scan since scanning mutates internal state and we want to atomically 8806 // install the package and its children. 8807 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8808 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 8809 scanFlags |= SCAN_CHECK_ONLY; 8810 } 8811 } else { 8812 scanFlags &= ~SCAN_CHECK_ONLY; 8813 } 8814 8815 // Scan the parent 8816 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 8817 scanFlags, currentTime, user); 8818 8819 // Scan the children 8820 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8821 for (int i = 0; i < childCount; i++) { 8822 PackageParser.Package childPackage = pkg.childPackages.get(i); 8823 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 8824 currentTime, user); 8825 } 8826 8827 8828 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8829 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 8830 } 8831 8832 return scannedPkg; 8833 } 8834 8835 /** 8836 * Scans a package and returns the newly parsed package. 8837 * @throws PackageManagerException on a parse error. 8838 */ 8839 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 8840 int policyFlags, int scanFlags, long currentTime, @Nullable UserHandle user) 8841 throws PackageManagerException { 8842 PackageSetting ps = null; 8843 PackageSetting updatedPkg; 8844 // reader 8845 synchronized (mPackages) { 8846 // Look to see if we already know about this package. 8847 String oldName = mSettings.getRenamedPackageLPr(pkg.packageName); 8848 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 8849 // This package has been renamed to its original name. Let's 8850 // use that. 8851 ps = mSettings.getPackageLPr(oldName); 8852 } 8853 // If there was no original package, see one for the real package name. 8854 if (ps == null) { 8855 ps = mSettings.getPackageLPr(pkg.packageName); 8856 } 8857 // Check to see if this package could be hiding/updating a system 8858 // package. Must look for it either under the original or real 8859 // package name depending on our state. 8860 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 8861 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 8862 8863 // If this is a package we don't know about on the system partition, we 8864 // may need to remove disabled child packages on the system partition 8865 // or may need to not add child packages if the parent apk is updated 8866 // on the data partition and no longer defines this child package. 8867 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 8868 // If this is a parent package for an updated system app and this system 8869 // app got an OTA update which no longer defines some of the child packages 8870 // we have to prune them from the disabled system packages. 8871 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 8872 if (disabledPs != null) { 8873 final int scannedChildCount = (pkg.childPackages != null) 8874 ? pkg.childPackages.size() : 0; 8875 final int disabledChildCount = disabledPs.childPackageNames != null 8876 ? disabledPs.childPackageNames.size() : 0; 8877 for (int i = 0; i < disabledChildCount; i++) { 8878 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 8879 boolean disabledPackageAvailable = false; 8880 for (int j = 0; j < scannedChildCount; j++) { 8881 PackageParser.Package childPkg = pkg.childPackages.get(j); 8882 if (childPkg.packageName.equals(disabledChildPackageName)) { 8883 disabledPackageAvailable = true; 8884 break; 8885 } 8886 } 8887 if (!disabledPackageAvailable) { 8888 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 8889 } 8890 } 8891 } 8892 } 8893 } 8894 8895 boolean updatedPkgBetter = false; 8896 // First check if this is a system package that may involve an update 8897 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 8898 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 8899 // it needs to drop FLAG_PRIVILEGED. 8900 if (locationIsPrivileged(scanFile)) { 8901 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 8902 } else { 8903 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 8904 } 8905 8906 if (ps != null && !ps.codePath.equals(scanFile)) { 8907 // The path has changed from what was last scanned... check the 8908 // version of the new path against what we have stored to determine 8909 // what to do. 8910 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 8911 if (pkg.mVersionCode <= ps.versionCode) { 8912 // The system package has been updated and the code path does not match 8913 // Ignore entry. Skip it. 8914 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 8915 + " ignored: updated version " + ps.versionCode 8916 + " better than this " + pkg.mVersionCode); 8917 if (!updatedPkg.codePath.equals(scanFile)) { 8918 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 8919 + ps.name + " changing from " + updatedPkg.codePathString 8920 + " to " + scanFile); 8921 updatedPkg.codePath = scanFile; 8922 updatedPkg.codePathString = scanFile.toString(); 8923 updatedPkg.resourcePath = scanFile; 8924 updatedPkg.resourcePathString = scanFile.toString(); 8925 } 8926 updatedPkg.pkg = pkg; 8927 updatedPkg.versionCode = pkg.mVersionCode; 8928 8929 // Update the disabled system child packages to point to the package too. 8930 final int childCount = updatedPkg.childPackageNames != null 8931 ? updatedPkg.childPackageNames.size() : 0; 8932 for (int i = 0; i < childCount; i++) { 8933 String childPackageName = updatedPkg.childPackageNames.get(i); 8934 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 8935 childPackageName); 8936 if (updatedChildPkg != null) { 8937 updatedChildPkg.pkg = pkg; 8938 updatedChildPkg.versionCode = pkg.mVersionCode; 8939 } 8940 } 8941 8942 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 8943 + scanFile + " ignored: updated version " + ps.versionCode 8944 + " better than this " + pkg.mVersionCode); 8945 } else { 8946 // The current app on the system partition is better than 8947 // what we have updated to on the data partition; switch 8948 // back to the system partition version. 8949 // At this point, its safely assumed that package installation for 8950 // apps in system partition will go through. If not there won't be a working 8951 // version of the app 8952 // writer 8953 synchronized (mPackages) { 8954 // Just remove the loaded entries from package lists. 8955 mPackages.remove(ps.name); 8956 } 8957 8958 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 8959 + " reverting from " + ps.codePathString 8960 + ": new version " + pkg.mVersionCode 8961 + " better than installed " + ps.versionCode); 8962 8963 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 8964 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 8965 synchronized (mInstallLock) { 8966 args.cleanUpResourcesLI(); 8967 } 8968 synchronized (mPackages) { 8969 mSettings.enableSystemPackageLPw(ps.name); 8970 } 8971 updatedPkgBetter = true; 8972 } 8973 } 8974 } 8975 8976 if (updatedPkg != null) { 8977 // An updated system app will not have the PARSE_IS_SYSTEM flag set 8978 // initially 8979 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 8980 8981 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 8982 // flag set initially 8983 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 8984 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 8985 } 8986 } 8987 8988 // Verify certificates against what was last scanned 8989 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 8990 8991 /* 8992 * A new system app appeared, but we already had a non-system one of the 8993 * same name installed earlier. 8994 */ 8995 boolean shouldHideSystemApp = false; 8996 if (updatedPkg == null && ps != null 8997 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 8998 /* 8999 * Check to make sure the signatures match first. If they don't, 9000 * wipe the installed application and its data. 9001 */ 9002 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 9003 != PackageManager.SIGNATURE_MATCH) { 9004 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 9005 + " signatures don't match existing userdata copy; removing"); 9006 try (PackageFreezer freezer = freezePackage(pkg.packageName, 9007 "scanPackageInternalLI")) { 9008 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 9009 } 9010 ps = null; 9011 } else { 9012 /* 9013 * If the newly-added system app is an older version than the 9014 * already installed version, hide it. It will be scanned later 9015 * and re-added like an update. 9016 */ 9017 if (pkg.mVersionCode <= ps.versionCode) { 9018 shouldHideSystemApp = true; 9019 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 9020 + " but new version " + pkg.mVersionCode + " better than installed " 9021 + ps.versionCode + "; hiding system"); 9022 } else { 9023 /* 9024 * The newly found system app is a newer version that the 9025 * one previously installed. Simply remove the 9026 * already-installed application and replace it with our own 9027 * while keeping the application data. 9028 */ 9029 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 9030 + " reverting from " + ps.codePathString + ": new version " 9031 + pkg.mVersionCode + " better than installed " + ps.versionCode); 9032 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 9033 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 9034 synchronized (mInstallLock) { 9035 args.cleanUpResourcesLI(); 9036 } 9037 } 9038 } 9039 } 9040 9041 // The apk is forward locked (not public) if its code and resources 9042 // are kept in different files. (except for app in either system or 9043 // vendor path). 9044 // TODO grab this value from PackageSettings 9045 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9046 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 9047 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 9048 } 9049 } 9050 9051 // TODO: extend to support forward-locked splits 9052 String resourcePath = null; 9053 String baseResourcePath = null; 9054 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 9055 if (ps != null && ps.resourcePathString != null) { 9056 resourcePath = ps.resourcePathString; 9057 baseResourcePath = ps.resourcePathString; 9058 } else { 9059 // Should not happen at all. Just log an error. 9060 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 9061 } 9062 } else { 9063 resourcePath = pkg.codePath; 9064 baseResourcePath = pkg.baseCodePath; 9065 } 9066 9067 // Set application objects path explicitly. 9068 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 9069 pkg.setApplicationInfoCodePath(pkg.codePath); 9070 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 9071 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 9072 pkg.setApplicationInfoResourcePath(resourcePath); 9073 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 9074 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 9075 9076 final int userId = ((user == null) ? 0 : user.getIdentifier()); 9077 if (ps != null && ps.getInstantApp(userId)) { 9078 scanFlags |= SCAN_AS_INSTANT_APP; 9079 } 9080 9081 // Note that we invoke the following method only if we are about to unpack an application 9082 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 9083 | SCAN_UPDATE_SIGNATURE, currentTime, user); 9084 9085 /* 9086 * If the system app should be overridden by a previously installed 9087 * data, hide the system app now and let the /data/app scan pick it up 9088 * again. 9089 */ 9090 if (shouldHideSystemApp) { 9091 synchronized (mPackages) { 9092 mSettings.disableSystemPackageLPw(pkg.packageName, true); 9093 } 9094 } 9095 9096 return scannedPkg; 9097 } 9098 9099 private void renameStaticSharedLibraryPackage(PackageParser.Package pkg) { 9100 // Derive the new package synthetic package name 9101 pkg.setPackageName(pkg.packageName + STATIC_SHARED_LIB_DELIMITER 9102 + pkg.staticSharedLibVersion); 9103 } 9104 9105 private static String fixProcessName(String defProcessName, 9106 String processName) { 9107 if (processName == null) { 9108 return defProcessName; 9109 } 9110 return processName; 9111 } 9112 9113 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 9114 throws PackageManagerException { 9115 if (pkgSetting.signatures.mSignatures != null) { 9116 // Already existing package. Make sure signatures match 9117 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 9118 == PackageManager.SIGNATURE_MATCH; 9119 if (!match) { 9120 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 9121 == PackageManager.SIGNATURE_MATCH; 9122 } 9123 if (!match) { 9124 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 9125 == PackageManager.SIGNATURE_MATCH; 9126 } 9127 if (!match) { 9128 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 9129 + pkg.packageName + " signatures do not match the " 9130 + "previously installed version; ignoring!"); 9131 } 9132 } 9133 9134 // Check for shared user signatures 9135 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 9136 // Already existing package. Make sure signatures match 9137 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 9138 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 9139 if (!match) { 9140 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 9141 == PackageManager.SIGNATURE_MATCH; 9142 } 9143 if (!match) { 9144 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 9145 == PackageManager.SIGNATURE_MATCH; 9146 } 9147 if (!match) { 9148 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 9149 "Package " + pkg.packageName 9150 + " has no signatures that match those in shared user " 9151 + pkgSetting.sharedUser.name + "; ignoring!"); 9152 } 9153 } 9154 } 9155 9156 /** 9157 * Enforces that only the system UID or root's UID can call a method exposed 9158 * via Binder. 9159 * 9160 * @param message used as message if SecurityException is thrown 9161 * @throws SecurityException if the caller is not system or root 9162 */ 9163 private static final void enforceSystemOrRoot(String message) { 9164 final int uid = Binder.getCallingUid(); 9165 if (uid != Process.SYSTEM_UID && uid != Process.ROOT_UID) { 9166 throw new SecurityException(message); 9167 } 9168 } 9169 9170 @Override 9171 public void performFstrimIfNeeded() { 9172 enforceSystemOrRoot("Only the system can request fstrim"); 9173 9174 // Before everything else, see whether we need to fstrim. 9175 try { 9176 IStorageManager sm = PackageHelper.getStorageManager(); 9177 if (sm != null) { 9178 boolean doTrim = false; 9179 final long interval = android.provider.Settings.Global.getLong( 9180 mContext.getContentResolver(), 9181 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 9182 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 9183 if (interval > 0) { 9184 final long timeSinceLast = System.currentTimeMillis() - sm.lastMaintenance(); 9185 if (timeSinceLast > interval) { 9186 doTrim = true; 9187 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 9188 + "; running immediately"); 9189 } 9190 } 9191 if (doTrim) { 9192 final boolean dexOptDialogShown; 9193 synchronized (mPackages) { 9194 dexOptDialogShown = mDexOptDialogShown; 9195 } 9196 if (!isFirstBoot() && dexOptDialogShown) { 9197 try { 9198 ActivityManager.getService().showBootMessage( 9199 mContext.getResources().getString( 9200 R.string.android_upgrading_fstrim), true); 9201 } catch (RemoteException e) { 9202 } 9203 } 9204 sm.runMaintenance(); 9205 } 9206 } else { 9207 Slog.e(TAG, "storageManager service unavailable!"); 9208 } 9209 } catch (RemoteException e) { 9210 // Can't happen; StorageManagerService is local 9211 } 9212 } 9213 9214 @Override 9215 public void updatePackagesIfNeeded() { 9216 enforceSystemOrRoot("Only the system can request package update"); 9217 9218 // We need to re-extract after an OTA. 9219 boolean causeUpgrade = isUpgrade(); 9220 9221 // First boot or factory reset. 9222 // Note: we also handle devices that are upgrading to N right now as if it is their 9223 // first boot, as they do not have profile data. 9224 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 9225 9226 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 9227 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 9228 9229 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 9230 return; 9231 } 9232 9233 List<PackageParser.Package> pkgs; 9234 synchronized (mPackages) { 9235 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 9236 } 9237 9238 final long startTime = System.nanoTime(); 9239 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 9240 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT), 9241 false /* bootComplete */); 9242 9243 final int elapsedTimeSeconds = 9244 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 9245 9246 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 9247 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 9248 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 9249 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 9250 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 9251 } 9252 9253 /** 9254 * Performs dexopt on the set of packages in {@code packages} and returns an int array 9255 * containing statistics about the invocation. The array consists of three elements, 9256 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 9257 * and {@code numberOfPackagesFailed}. 9258 */ 9259 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 9260 String compilerFilter, boolean bootComplete) { 9261 9262 int numberOfPackagesVisited = 0; 9263 int numberOfPackagesOptimized = 0; 9264 int numberOfPackagesSkipped = 0; 9265 int numberOfPackagesFailed = 0; 9266 final int numberOfPackagesToDexopt = pkgs.size(); 9267 9268 for (PackageParser.Package pkg : pkgs) { 9269 numberOfPackagesVisited++; 9270 9271 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 9272 if (DEBUG_DEXOPT) { 9273 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 9274 } 9275 numberOfPackagesSkipped++; 9276 continue; 9277 } 9278 9279 if (DEBUG_DEXOPT) { 9280 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 9281 numberOfPackagesToDexopt + ": " + pkg.packageName); 9282 } 9283 9284 if (showDialog) { 9285 try { 9286 ActivityManager.getService().showBootMessage( 9287 mContext.getResources().getString(R.string.android_upgrading_apk, 9288 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 9289 } catch (RemoteException e) { 9290 } 9291 synchronized (mPackages) { 9292 mDexOptDialogShown = true; 9293 } 9294 } 9295 9296 // If the OTA updates a system app which was previously preopted to a non-preopted state 9297 // the app might end up being verified at runtime. That's because by default the apps 9298 // are verify-profile but for preopted apps there's no profile. 9299 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 9300 // that before the OTA the app was preopted) the app gets compiled with a non-profile 9301 // filter (by default 'quicken'). 9302 // Note that at this stage unused apps are already filtered. 9303 if (isSystemApp(pkg) && 9304 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 9305 !Environment.getReferenceProfile(pkg.packageName).exists()) { 9306 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 9307 } 9308 9309 // checkProfiles is false to avoid merging profiles during boot which 9310 // might interfere with background compilation (b/28612421). 9311 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 9312 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 9313 // trade-off worth doing to save boot time work. 9314 int dexOptStatus = performDexOptTraced(pkg.packageName, 9315 false /* checkProfiles */, 9316 compilerFilter, 9317 false /* force */, 9318 bootComplete); 9319 switch (dexOptStatus) { 9320 case PackageDexOptimizer.DEX_OPT_PERFORMED: 9321 numberOfPackagesOptimized++; 9322 break; 9323 case PackageDexOptimizer.DEX_OPT_SKIPPED: 9324 numberOfPackagesSkipped++; 9325 break; 9326 case PackageDexOptimizer.DEX_OPT_FAILED: 9327 numberOfPackagesFailed++; 9328 break; 9329 default: 9330 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 9331 break; 9332 } 9333 } 9334 9335 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 9336 numberOfPackagesFailed }; 9337 } 9338 9339 @Override 9340 public void notifyPackageUse(String packageName, int reason) { 9341 synchronized (mPackages) { 9342 final int callingUid = Binder.getCallingUid(); 9343 final int callingUserId = UserHandle.getUserId(callingUid); 9344 if (getInstantAppPackageName(callingUid) != null) { 9345 if (!isCallerSameApp(packageName, callingUid)) { 9346 return; 9347 } 9348 } else { 9349 if (isInstantApp(packageName, callingUserId)) { 9350 return; 9351 } 9352 } 9353 final PackageParser.Package p = mPackages.get(packageName); 9354 if (p == null) { 9355 return; 9356 } 9357 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 9358 } 9359 } 9360 9361 @Override 9362 public void notifyDexLoad(String loadingPackageName, List<String> dexPaths, String loaderIsa) { 9363 int userId = UserHandle.getCallingUserId(); 9364 ApplicationInfo ai = getApplicationInfo(loadingPackageName, /*flags*/ 0, userId); 9365 if (ai == null) { 9366 Slog.w(TAG, "Loading a package that does not exist for the calling user. package=" 9367 + loadingPackageName + ", user=" + userId); 9368 return; 9369 } 9370 mDexManager.notifyDexLoad(ai, dexPaths, loaderIsa, userId); 9371 } 9372 9373 @Override 9374 public boolean performDexOpt(String packageName, 9375 boolean checkProfiles, int compileReason, boolean force, boolean bootComplete) { 9376 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 9377 return false; 9378 } else if (isInstantApp(packageName, UserHandle.getCallingUserId())) { 9379 return false; 9380 } 9381 int dexoptStatus = performDexOptWithStatus( 9382 packageName, checkProfiles, compileReason, force, bootComplete); 9383 return dexoptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 9384 } 9385 9386 /** 9387 * Perform dexopt on the given package and return one of following result: 9388 * {@link PackageDexOptimizer#DEX_OPT_SKIPPED} 9389 * {@link PackageDexOptimizer#DEX_OPT_PERFORMED} 9390 * {@link PackageDexOptimizer#DEX_OPT_FAILED} 9391 */ 9392 /* package */ int performDexOptWithStatus(String packageName, 9393 boolean checkProfiles, int compileReason, boolean force, boolean bootComplete) { 9394 return performDexOptTraced(packageName, checkProfiles, 9395 getCompilerFilterForReason(compileReason), force, bootComplete); 9396 } 9397 9398 @Override 9399 public boolean performDexOptMode(String packageName, 9400 boolean checkProfiles, String targetCompilerFilter, boolean force, 9401 boolean bootComplete) { 9402 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 9403 return false; 9404 } else if (isInstantApp(packageName, UserHandle.getCallingUserId())) { 9405 return false; 9406 } 9407 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 9408 targetCompilerFilter, force, bootComplete); 9409 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 9410 } 9411 9412 private int performDexOptTraced(String packageName, 9413 boolean checkProfiles, String targetCompilerFilter, boolean force, 9414 boolean bootComplete) { 9415 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 9416 try { 9417 return performDexOptInternal(packageName, checkProfiles, 9418 targetCompilerFilter, force, bootComplete); 9419 } finally { 9420 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9421 } 9422 } 9423 9424 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 9425 // if the package can now be considered up to date for the given filter. 9426 private int performDexOptInternal(String packageName, 9427 boolean checkProfiles, String targetCompilerFilter, boolean force, 9428 boolean bootComplete) { 9429 PackageParser.Package p; 9430 synchronized (mPackages) { 9431 p = mPackages.get(packageName); 9432 if (p == null) { 9433 // Package could not be found. Report failure. 9434 return PackageDexOptimizer.DEX_OPT_FAILED; 9435 } 9436 mPackageUsage.maybeWriteAsync(mPackages); 9437 mCompilerStats.maybeWriteAsync(); 9438 } 9439 long callingId = Binder.clearCallingIdentity(); 9440 try { 9441 synchronized (mInstallLock) { 9442 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 9443 targetCompilerFilter, force, bootComplete); 9444 } 9445 } finally { 9446 Binder.restoreCallingIdentity(callingId); 9447 } 9448 } 9449 9450 public ArraySet<String> getOptimizablePackages() { 9451 ArraySet<String> pkgs = new ArraySet<String>(); 9452 synchronized (mPackages) { 9453 for (PackageParser.Package p : mPackages.values()) { 9454 if (PackageDexOptimizer.canOptimizePackage(p)) { 9455 pkgs.add(p.packageName); 9456 } 9457 } 9458 } 9459 return pkgs; 9460 } 9461 9462 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 9463 boolean checkProfiles, String targetCompilerFilter, 9464 boolean force, boolean bootComplete) { 9465 // Select the dex optimizer based on the force parameter. 9466 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 9467 // allocate an object here. 9468 PackageDexOptimizer pdo = force 9469 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 9470 : mPackageDexOptimizer; 9471 9472 // Dexopt all dependencies first. Note: we ignore the return value and march on 9473 // on errors. 9474 // Note that we are going to call performDexOpt on those libraries as many times as 9475 // they are referenced in packages. When we do a batch of performDexOpt (for example 9476 // at boot, or background job), the passed 'targetCompilerFilter' stays the same, 9477 // and the first package that uses the library will dexopt it. The 9478 // others will see that the compiled code for the library is up to date. 9479 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 9480 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 9481 if (!deps.isEmpty()) { 9482 for (PackageParser.Package depPackage : deps) { 9483 // TODO: Analyze and investigate if we (should) profile libraries. 9484 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 9485 false /* checkProfiles */, 9486 targetCompilerFilter, 9487 getOrCreateCompilerPackageStats(depPackage), 9488 true /* isUsedByOtherApps */, 9489 bootComplete); 9490 } 9491 } 9492 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 9493 targetCompilerFilter, getOrCreateCompilerPackageStats(p), 9494 mDexManager.isUsedByOtherApps(p.packageName), bootComplete); 9495 } 9496 9497 // Performs dexopt on the used secondary dex files belonging to the given package. 9498 // Returns true if all dex files were process successfully (which could mean either dexopt or 9499 // skip). Returns false if any of the files caused errors. 9500 @Override 9501 public boolean performDexOptSecondary(String packageName, String compilerFilter, 9502 boolean force) { 9503 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 9504 return false; 9505 } else if (isInstantApp(packageName, UserHandle.getCallingUserId())) { 9506 return false; 9507 } 9508 mDexManager.reconcileSecondaryDexFiles(packageName); 9509 return mDexManager.dexoptSecondaryDex(packageName, compilerFilter, force); 9510 } 9511 9512 public boolean performDexOptSecondary(String packageName, int compileReason, 9513 boolean force) { 9514 return mDexManager.dexoptSecondaryDex(packageName, compileReason, force); 9515 } 9516 9517 /** 9518 * Reconcile the information we have about the secondary dex files belonging to 9519 * {@code packagName} and the actual dex files. For all dex files that were 9520 * deleted, update the internal records and delete the generated oat files. 9521 */ 9522 @Override 9523 public void reconcileSecondaryDexFiles(String packageName) { 9524 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 9525 return; 9526 } else if (isInstantApp(packageName, UserHandle.getCallingUserId())) { 9527 return; 9528 } 9529 mDexManager.reconcileSecondaryDexFiles(packageName); 9530 } 9531 9532 // TODO(calin): this is only needed for BackgroundDexOptService. Find a cleaner way to inject 9533 // a reference there. 9534 /*package*/ DexManager getDexManager() { 9535 return mDexManager; 9536 } 9537 9538 /** 9539 * Execute the background dexopt job immediately. 9540 */ 9541 @Override 9542 public boolean runBackgroundDexoptJob() { 9543 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 9544 return false; 9545 } 9546 return BackgroundDexOptService.runIdleOptimizationsNow(this, mContext); 9547 } 9548 9549 List<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 9550 if (p.usesLibraries != null || p.usesOptionalLibraries != null 9551 || p.usesStaticLibraries != null) { 9552 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 9553 Set<String> collectedNames = new HashSet<>(); 9554 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 9555 9556 retValue.remove(p); 9557 9558 return retValue; 9559 } else { 9560 return Collections.emptyList(); 9561 } 9562 } 9563 9564 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 9565 ArrayList<PackageParser.Package> collected, Set<String> collectedNames) { 9566 if (!collectedNames.contains(p.packageName)) { 9567 collectedNames.add(p.packageName); 9568 collected.add(p); 9569 9570 if (p.usesLibraries != null) { 9571 findSharedNonSystemLibrariesRecursive(p.usesLibraries, 9572 null, collected, collectedNames); 9573 } 9574 if (p.usesOptionalLibraries != null) { 9575 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, 9576 null, collected, collectedNames); 9577 } 9578 if (p.usesStaticLibraries != null) { 9579 findSharedNonSystemLibrariesRecursive(p.usesStaticLibraries, 9580 p.usesStaticLibrariesVersions, collected, collectedNames); 9581 } 9582 } 9583 } 9584 9585 private void findSharedNonSystemLibrariesRecursive(ArrayList<String> libs, int[] versions, 9586 ArrayList<PackageParser.Package> collected, Set<String> collectedNames) { 9587 final int libNameCount = libs.size(); 9588 for (int i = 0; i < libNameCount; i++) { 9589 String libName = libs.get(i); 9590 int version = (versions != null && versions.length == libNameCount) 9591 ? versions[i] : PackageManager.VERSION_CODE_HIGHEST; 9592 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName, version); 9593 if (libPkg != null) { 9594 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 9595 } 9596 } 9597 } 9598 9599 private PackageParser.Package findSharedNonSystemLibrary(String name, int version) { 9600 synchronized (mPackages) { 9601 SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(name, version); 9602 if (libEntry != null) { 9603 return mPackages.get(libEntry.apk); 9604 } 9605 return null; 9606 } 9607 } 9608 9609 private SharedLibraryEntry getSharedLibraryEntryLPr(String name, int version) { 9610 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 9611 if (versionedLib == null) { 9612 return null; 9613 } 9614 return versionedLib.get(version); 9615 } 9616 9617 private SharedLibraryEntry getLatestSharedLibraVersionLPr(PackageParser.Package pkg) { 9618 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get( 9619 pkg.staticSharedLibName); 9620 if (versionedLib == null) { 9621 return null; 9622 } 9623 int previousLibVersion = -1; 9624 final int versionCount = versionedLib.size(); 9625 for (int i = 0; i < versionCount; i++) { 9626 final int libVersion = versionedLib.keyAt(i); 9627 if (libVersion < pkg.staticSharedLibVersion) { 9628 previousLibVersion = Math.max(previousLibVersion, libVersion); 9629 } 9630 } 9631 if (previousLibVersion >= 0) { 9632 return versionedLib.get(previousLibVersion); 9633 } 9634 return null; 9635 } 9636 9637 public void shutdown() { 9638 mPackageUsage.writeNow(mPackages); 9639 mCompilerStats.writeNow(); 9640 } 9641 9642 @Override 9643 public void dumpProfiles(String packageName) { 9644 PackageParser.Package pkg; 9645 synchronized (mPackages) { 9646 pkg = mPackages.get(packageName); 9647 if (pkg == null) { 9648 throw new IllegalArgumentException("Unknown package: " + packageName); 9649 } 9650 } 9651 /* Only the shell, root, or the app user should be able to dump profiles. */ 9652 int callingUid = Binder.getCallingUid(); 9653 if (callingUid != Process.SHELL_UID && 9654 callingUid != Process.ROOT_UID && 9655 callingUid != pkg.applicationInfo.uid) { 9656 throw new SecurityException("dumpProfiles"); 9657 } 9658 9659 synchronized (mInstallLock) { 9660 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 9661 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 9662 try { 9663 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 9664 String codePaths = TextUtils.join(";", allCodePaths); 9665 mInstaller.dumpProfiles(sharedGid, packageName, codePaths); 9666 } catch (InstallerException e) { 9667 Slog.w(TAG, "Failed to dump profiles", e); 9668 } 9669 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9670 } 9671 } 9672 9673 @Override 9674 public void forceDexOpt(String packageName) { 9675 enforceSystemOrRoot("forceDexOpt"); 9676 9677 PackageParser.Package pkg; 9678 synchronized (mPackages) { 9679 pkg = mPackages.get(packageName); 9680 if (pkg == null) { 9681 throw new IllegalArgumentException("Unknown package: " + packageName); 9682 } 9683 } 9684 9685 synchronized (mInstallLock) { 9686 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 9687 9688 // Whoever is calling forceDexOpt wants a compiled package. 9689 // Don't use profiles since that may cause compilation to be skipped. 9690 final int res = performDexOptInternalWithDependenciesLI(pkg, 9691 false /* checkProfiles */, getDefaultCompilerFilter(), 9692 true /* force */, 9693 true /* bootComplete */); 9694 9695 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9696 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 9697 throw new IllegalStateException("Failed to dexopt: " + res); 9698 } 9699 } 9700 } 9701 9702 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 9703 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 9704 Slog.w(TAG, "Unable to update from " + oldPkg.name 9705 + " to " + newPkg.packageName 9706 + ": old package not in system partition"); 9707 return false; 9708 } else if (mPackages.get(oldPkg.name) != null) { 9709 Slog.w(TAG, "Unable to update from " + oldPkg.name 9710 + " to " + newPkg.packageName 9711 + ": old package still exists"); 9712 return false; 9713 } 9714 return true; 9715 } 9716 9717 void removeCodePathLI(File codePath) { 9718 if (codePath.isDirectory()) { 9719 try { 9720 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 9721 } catch (InstallerException e) { 9722 Slog.w(TAG, "Failed to remove code path", e); 9723 } 9724 } else { 9725 codePath.delete(); 9726 } 9727 } 9728 9729 private int[] resolveUserIds(int userId) { 9730 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 9731 } 9732 9733 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 9734 if (pkg == null) { 9735 Slog.wtf(TAG, "Package was null!", new Throwable()); 9736 return; 9737 } 9738 clearAppDataLeafLIF(pkg, userId, flags); 9739 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9740 for (int i = 0; i < childCount; i++) { 9741 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 9742 } 9743 } 9744 9745 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 9746 final PackageSetting ps; 9747 synchronized (mPackages) { 9748 ps = mSettings.mPackages.get(pkg.packageName); 9749 } 9750 for (int realUserId : resolveUserIds(userId)) { 9751 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 9752 try { 9753 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 9754 ceDataInode); 9755 } catch (InstallerException e) { 9756 Slog.w(TAG, String.valueOf(e)); 9757 } 9758 } 9759 } 9760 9761 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 9762 if (pkg == null) { 9763 Slog.wtf(TAG, "Package was null!", new Throwable()); 9764 return; 9765 } 9766 destroyAppDataLeafLIF(pkg, userId, flags); 9767 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9768 for (int i = 0; i < childCount; i++) { 9769 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 9770 } 9771 } 9772 9773 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 9774 final PackageSetting ps; 9775 synchronized (mPackages) { 9776 ps = mSettings.mPackages.get(pkg.packageName); 9777 } 9778 for (int realUserId : resolveUserIds(userId)) { 9779 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 9780 try { 9781 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 9782 ceDataInode); 9783 } catch (InstallerException e) { 9784 Slog.w(TAG, String.valueOf(e)); 9785 } 9786 mDexManager.notifyPackageDataDestroyed(pkg.packageName, userId); 9787 } 9788 } 9789 9790 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 9791 if (pkg == null) { 9792 Slog.wtf(TAG, "Package was null!", new Throwable()); 9793 return; 9794 } 9795 destroyAppProfilesLeafLIF(pkg); 9796 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9797 for (int i = 0; i < childCount; i++) { 9798 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 9799 } 9800 } 9801 9802 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 9803 try { 9804 mInstaller.destroyAppProfiles(pkg.packageName); 9805 } catch (InstallerException e) { 9806 Slog.w(TAG, String.valueOf(e)); 9807 } 9808 } 9809 9810 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 9811 if (pkg == null) { 9812 Slog.wtf(TAG, "Package was null!", new Throwable()); 9813 return; 9814 } 9815 clearAppProfilesLeafLIF(pkg); 9816 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9817 for (int i = 0; i < childCount; i++) { 9818 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 9819 } 9820 } 9821 9822 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 9823 try { 9824 mInstaller.clearAppProfiles(pkg.packageName); 9825 } catch (InstallerException e) { 9826 Slog.w(TAG, String.valueOf(e)); 9827 } 9828 } 9829 9830 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 9831 long lastUpdateTime) { 9832 // Set parent install/update time 9833 PackageSetting ps = (PackageSetting) pkg.mExtras; 9834 if (ps != null) { 9835 ps.firstInstallTime = firstInstallTime; 9836 ps.lastUpdateTime = lastUpdateTime; 9837 } 9838 // Set children install/update time 9839 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9840 for (int i = 0; i < childCount; i++) { 9841 PackageParser.Package childPkg = pkg.childPackages.get(i); 9842 ps = (PackageSetting) childPkg.mExtras; 9843 if (ps != null) { 9844 ps.firstInstallTime = firstInstallTime; 9845 ps.lastUpdateTime = lastUpdateTime; 9846 } 9847 } 9848 } 9849 9850 private void addSharedLibraryLPr(Set<String> usesLibraryFiles, 9851 SharedLibraryEntry file, 9852 PackageParser.Package changingLib) { 9853 if (file.path != null) { 9854 usesLibraryFiles.add(file.path); 9855 return; 9856 } 9857 PackageParser.Package p = mPackages.get(file.apk); 9858 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 9859 // If we are doing this while in the middle of updating a library apk, 9860 // then we need to make sure to use that new apk for determining the 9861 // dependencies here. (We haven't yet finished committing the new apk 9862 // to the package manager state.) 9863 if (p == null || p.packageName.equals(changingLib.packageName)) { 9864 p = changingLib; 9865 } 9866 } 9867 if (p != null) { 9868 usesLibraryFiles.addAll(p.getAllCodePaths()); 9869 if (p.usesLibraryFiles != null) { 9870 Collections.addAll(usesLibraryFiles, p.usesLibraryFiles); 9871 } 9872 } 9873 } 9874 9875 private void updateSharedLibrariesLPr(PackageParser.Package pkg, 9876 PackageParser.Package changingLib) throws PackageManagerException { 9877 if (pkg == null) { 9878 return; 9879 } 9880 // The collection used here must maintain the order of addition (so 9881 // that libraries are searched in the correct order) and must have no 9882 // duplicates. 9883 Set<String> usesLibraryFiles = null; 9884 if (pkg.usesLibraries != null) { 9885 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesLibraries, 9886 null, null, pkg.packageName, changingLib, true, null); 9887 } 9888 if (pkg.usesStaticLibraries != null) { 9889 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesStaticLibraries, 9890 pkg.usesStaticLibrariesVersions, pkg.usesStaticLibrariesCertDigests, 9891 pkg.packageName, changingLib, true, usesLibraryFiles); 9892 } 9893 if (pkg.usesOptionalLibraries != null) { 9894 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesOptionalLibraries, 9895 null, null, pkg.packageName, changingLib, false, usesLibraryFiles); 9896 } 9897 if (!ArrayUtils.isEmpty(usesLibraryFiles)) { 9898 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[usesLibraryFiles.size()]); 9899 } else { 9900 pkg.usesLibraryFiles = null; 9901 } 9902 } 9903 9904 private Set<String> addSharedLibrariesLPw(@NonNull List<String> requestedLibraries, 9905 @Nullable int[] requiredVersions, @Nullable String[] requiredCertDigests, 9906 @NonNull String packageName, @Nullable PackageParser.Package changingLib, 9907 boolean required, @Nullable Set<String> outUsedLibraries) 9908 throws PackageManagerException { 9909 final int libCount = requestedLibraries.size(); 9910 for (int i = 0; i < libCount; i++) { 9911 final String libName = requestedLibraries.get(i); 9912 final int libVersion = requiredVersions != null ? requiredVersions[i] 9913 : SharedLibraryInfo.VERSION_UNDEFINED; 9914 final SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(libName, libVersion); 9915 if (libEntry == null) { 9916 if (required) { 9917 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 9918 "Package " + packageName + " requires unavailable shared library " 9919 + libName + "; failing!"); 9920 } else if (DEBUG_SHARED_LIBRARIES) { 9921 Slog.i(TAG, "Package " + packageName 9922 + " desires unavailable shared library " 9923 + libName + "; ignoring!"); 9924 } 9925 } else { 9926 if (requiredVersions != null && requiredCertDigests != null) { 9927 if (libEntry.info.getVersion() != requiredVersions[i]) { 9928 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 9929 "Package " + packageName + " requires unavailable static shared" 9930 + " library " + libName + " version " 9931 + libEntry.info.getVersion() + "; failing!"); 9932 } 9933 9934 PackageParser.Package libPkg = mPackages.get(libEntry.apk); 9935 if (libPkg == null) { 9936 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 9937 "Package " + packageName + " requires unavailable static shared" 9938 + " library; failing!"); 9939 } 9940 9941 String expectedCertDigest = requiredCertDigests[i]; 9942 String libCertDigest = PackageUtils.computeCertSha256Digest( 9943 libPkg.mSignatures[0]); 9944 if (!libCertDigest.equalsIgnoreCase(expectedCertDigest)) { 9945 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 9946 "Package " + packageName + " requires differently signed" + 9947 " static shared library; failing!"); 9948 } 9949 } 9950 9951 if (outUsedLibraries == null) { 9952 // Use LinkedHashSet to preserve the order of files added to 9953 // usesLibraryFiles while eliminating duplicates. 9954 outUsedLibraries = new LinkedHashSet<>(); 9955 } 9956 addSharedLibraryLPr(outUsedLibraries, libEntry, changingLib); 9957 } 9958 } 9959 return outUsedLibraries; 9960 } 9961 9962 private static boolean hasString(List<String> list, List<String> which) { 9963 if (list == null) { 9964 return false; 9965 } 9966 for (int i=list.size()-1; i>=0; i--) { 9967 for (int j=which.size()-1; j>=0; j--) { 9968 if (which.get(j).equals(list.get(i))) { 9969 return true; 9970 } 9971 } 9972 } 9973 return false; 9974 } 9975 9976 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 9977 PackageParser.Package changingPkg) { 9978 ArrayList<PackageParser.Package> res = null; 9979 for (PackageParser.Package pkg : mPackages.values()) { 9980 if (changingPkg != null 9981 && !hasString(pkg.usesLibraries, changingPkg.libraryNames) 9982 && !hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames) 9983 && !ArrayUtils.contains(pkg.usesStaticLibraries, 9984 changingPkg.staticSharedLibName)) { 9985 return null; 9986 } 9987 if (res == null) { 9988 res = new ArrayList<>(); 9989 } 9990 res.add(pkg); 9991 try { 9992 updateSharedLibrariesLPr(pkg, changingPkg); 9993 } catch (PackageManagerException e) { 9994 // If a system app update or an app and a required lib missing we 9995 // delete the package and for updated system apps keep the data as 9996 // it is better for the user to reinstall than to be in an limbo 9997 // state. Also libs disappearing under an app should never happen 9998 // - just in case. 9999 if (!pkg.isSystemApp() || pkg.isUpdatedSystemApp()) { 10000 final int flags = pkg.isUpdatedSystemApp() 10001 ? PackageManager.DELETE_KEEP_DATA : 0; 10002 deletePackageLIF(pkg.packageName, null, true, sUserManager.getUserIds(), 10003 flags , null, true, null); 10004 } 10005 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 10006 } 10007 } 10008 return res; 10009 } 10010 10011 /** 10012 * Derive the value of the {@code cpuAbiOverride} based on the provided 10013 * value and an optional stored value from the package settings. 10014 */ 10015 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 10016 String cpuAbiOverride = null; 10017 10018 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 10019 cpuAbiOverride = null; 10020 } else if (abiOverride != null) { 10021 cpuAbiOverride = abiOverride; 10022 } else if (settings != null) { 10023 cpuAbiOverride = settings.cpuAbiOverrideString; 10024 } 10025 10026 return cpuAbiOverride; 10027 } 10028 10029 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 10030 final int policyFlags, int scanFlags, long currentTime, @Nullable UserHandle user) 10031 throws PackageManagerException { 10032 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 10033 // If the package has children and this is the first dive in the function 10034 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 10035 // whether all packages (parent and children) would be successfully scanned 10036 // before the actual scan since scanning mutates internal state and we want 10037 // to atomically install the package and its children. 10038 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 10039 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 10040 scanFlags |= SCAN_CHECK_ONLY; 10041 } 10042 } else { 10043 scanFlags &= ~SCAN_CHECK_ONLY; 10044 } 10045 10046 final PackageParser.Package scannedPkg; 10047 try { 10048 // Scan the parent 10049 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 10050 // Scan the children 10051 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 10052 for (int i = 0; i < childCount; i++) { 10053 PackageParser.Package childPkg = pkg.childPackages.get(i); 10054 scanPackageLI(childPkg, policyFlags, 10055 scanFlags, currentTime, user); 10056 } 10057 } finally { 10058 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10059 } 10060 10061 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 10062 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 10063 } 10064 10065 return scannedPkg; 10066 } 10067 10068 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 10069 int scanFlags, long currentTime, @Nullable UserHandle user) 10070 throws PackageManagerException { 10071 boolean success = false; 10072 try { 10073 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 10074 currentTime, user); 10075 success = true; 10076 return res; 10077 } finally { 10078 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 10079 // DELETE_DATA_ON_FAILURES is only used by frozen paths 10080 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 10081 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 10082 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 10083 } 10084 } 10085 } 10086 10087 /** 10088 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 10089 */ 10090 private static boolean apkHasCode(String fileName) { 10091 StrictJarFile jarFile = null; 10092 try { 10093 jarFile = new StrictJarFile(fileName, 10094 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 10095 return jarFile.findEntry("classes.dex") != null; 10096 } catch (IOException ignore) { 10097 } finally { 10098 try { 10099 if (jarFile != null) { 10100 jarFile.close(); 10101 } 10102 } catch (IOException ignore) {} 10103 } 10104 return false; 10105 } 10106 10107 /** 10108 * Enforces code policy for the package. This ensures that if an APK has 10109 * declared hasCode="true" in its manifest that the APK actually contains 10110 * code. 10111 * 10112 * @throws PackageManagerException If bytecode could not be found when it should exist 10113 */ 10114 private static void assertCodePolicy(PackageParser.Package pkg) 10115 throws PackageManagerException { 10116 final boolean shouldHaveCode = 10117 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 10118 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 10119 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 10120 "Package " + pkg.baseCodePath + " code is missing"); 10121 } 10122 10123 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 10124 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 10125 final boolean splitShouldHaveCode = 10126 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 10127 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 10128 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 10129 "Package " + pkg.splitCodePaths[i] + " code is missing"); 10130 } 10131 } 10132 } 10133 } 10134 10135 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 10136 final int policyFlags, final int scanFlags, long currentTime, @Nullable UserHandle user) 10137 throws PackageManagerException { 10138 if (DEBUG_PACKAGE_SCANNING) { 10139 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 10140 Log.d(TAG, "Scanning package " + pkg.packageName); 10141 } 10142 10143 applyPolicy(pkg, policyFlags); 10144 10145 assertPackageIsValid(pkg, policyFlags, scanFlags); 10146 10147 if (Build.IS_DEBUGGABLE && 10148 pkg.isPrivilegedApp() && 10149 !SystemProperties.getBoolean("pm.dexopt.priv-apps", true)) { 10150 PackageManagerServiceUtils.logPackageHasUncompressedCode(pkg); 10151 } 10152 10153 // Initialize package source and resource directories 10154 final File scanFile = new File(pkg.codePath); 10155 final File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 10156 final File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 10157 10158 SharedUserSetting suid = null; 10159 PackageSetting pkgSetting = null; 10160 10161 // Getting the package setting may have a side-effect, so if we 10162 // are only checking if scan would succeed, stash a copy of the 10163 // old setting to restore at the end. 10164 PackageSetting nonMutatedPs = null; 10165 10166 // We keep references to the derived CPU Abis from settings in oder to reuse 10167 // them in the case where we're not upgrading or booting for the first time. 10168 String primaryCpuAbiFromSettings = null; 10169 String secondaryCpuAbiFromSettings = null; 10170 10171 // writer 10172 synchronized (mPackages) { 10173 if (pkg.mSharedUserId != null) { 10174 // SIDE EFFECTS; may potentially allocate a new shared user 10175 suid = mSettings.getSharedUserLPw( 10176 pkg.mSharedUserId, 0 /*pkgFlags*/, 0 /*pkgPrivateFlags*/, true /*create*/); 10177 if (DEBUG_PACKAGE_SCANNING) { 10178 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 10179 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 10180 + "): packages=" + suid.packages); 10181 } 10182 } 10183 10184 // Check if we are renaming from an original package name. 10185 PackageSetting origPackage = null; 10186 String realName = null; 10187 if (pkg.mOriginalPackages != null) { 10188 // This package may need to be renamed to a previously 10189 // installed name. Let's check on that... 10190 final String renamed = mSettings.getRenamedPackageLPr(pkg.mRealPackage); 10191 if (pkg.mOriginalPackages.contains(renamed)) { 10192 // This package had originally been installed as the 10193 // original name, and we have already taken care of 10194 // transitioning to the new one. Just update the new 10195 // one to continue using the old name. 10196 realName = pkg.mRealPackage; 10197 if (!pkg.packageName.equals(renamed)) { 10198 // Callers into this function may have already taken 10199 // care of renaming the package; only do it here if 10200 // it is not already done. 10201 pkg.setPackageName(renamed); 10202 } 10203 } else { 10204 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 10205 if ((origPackage = mSettings.getPackageLPr( 10206 pkg.mOriginalPackages.get(i))) != null) { 10207 // We do have the package already installed under its 10208 // original name... should we use it? 10209 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 10210 // New package is not compatible with original. 10211 origPackage = null; 10212 continue; 10213 } else if (origPackage.sharedUser != null) { 10214 // Make sure uid is compatible between packages. 10215 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 10216 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 10217 + " to " + pkg.packageName + ": old uid " 10218 + origPackage.sharedUser.name 10219 + " differs from " + pkg.mSharedUserId); 10220 origPackage = null; 10221 continue; 10222 } 10223 // TODO: Add case when shared user id is added [b/28144775] 10224 } else { 10225 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 10226 + pkg.packageName + " to old name " + origPackage.name); 10227 } 10228 break; 10229 } 10230 } 10231 } 10232 } 10233 10234 if (mTransferedPackages.contains(pkg.packageName)) { 10235 Slog.w(TAG, "Package " + pkg.packageName 10236 + " was transferred to another, but its .apk remains"); 10237 } 10238 10239 // See comments in nonMutatedPs declaration 10240 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 10241 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 10242 if (foundPs != null) { 10243 nonMutatedPs = new PackageSetting(foundPs); 10244 } 10245 } 10246 10247 if ((scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) == 0) { 10248 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 10249 if (foundPs != null) { 10250 primaryCpuAbiFromSettings = foundPs.primaryCpuAbiString; 10251 secondaryCpuAbiFromSettings = foundPs.secondaryCpuAbiString; 10252 } 10253 } 10254 10255 pkgSetting = mSettings.getPackageLPr(pkg.packageName); 10256 if (pkgSetting != null && pkgSetting.sharedUser != suid) { 10257 PackageManagerService.reportSettingsProblem(Log.WARN, 10258 "Package " + pkg.packageName + " shared user changed from " 10259 + (pkgSetting.sharedUser != null 10260 ? pkgSetting.sharedUser.name : "<nothing>") 10261 + " to " 10262 + (suid != null ? suid.name : "<nothing>") 10263 + "; replacing with new"); 10264 pkgSetting = null; 10265 } 10266 final PackageSetting oldPkgSetting = 10267 pkgSetting == null ? null : new PackageSetting(pkgSetting); 10268 final PackageSetting disabledPkgSetting = 10269 mSettings.getDisabledSystemPkgLPr(pkg.packageName); 10270 10271 String[] usesStaticLibraries = null; 10272 if (pkg.usesStaticLibraries != null) { 10273 usesStaticLibraries = new String[pkg.usesStaticLibraries.size()]; 10274 pkg.usesStaticLibraries.toArray(usesStaticLibraries); 10275 } 10276 10277 if (pkgSetting == null) { 10278 final String parentPackageName = (pkg.parentPackage != null) 10279 ? pkg.parentPackage.packageName : null; 10280 final boolean instantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 10281 // REMOVE SharedUserSetting from method; update in a separate call 10282 pkgSetting = Settings.createNewSetting(pkg.packageName, origPackage, 10283 disabledPkgSetting, realName, suid, destCodeFile, destResourceFile, 10284 pkg.applicationInfo.nativeLibraryRootDir, pkg.applicationInfo.primaryCpuAbi, 10285 pkg.applicationInfo.secondaryCpuAbi, pkg.mVersionCode, 10286 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, user, 10287 true /*allowInstall*/, instantApp, parentPackageName, 10288 pkg.getChildPackageNames(), UserManagerService.getInstance(), 10289 usesStaticLibraries, pkg.usesStaticLibrariesVersions); 10290 // SIDE EFFECTS; updates system state; move elsewhere 10291 if (origPackage != null) { 10292 mSettings.addRenamedPackageLPw(pkg.packageName, origPackage.name); 10293 } 10294 mSettings.addUserToSettingLPw(pkgSetting); 10295 } else { 10296 // REMOVE SharedUserSetting from method; update in a separate call. 10297 // 10298 // TODO(narayan): This update is bogus. nativeLibraryDir & primaryCpuAbi, 10299 // secondaryCpuAbi are not known at this point so we always update them 10300 // to null here, only to reset them at a later point. 10301 Settings.updatePackageSetting(pkgSetting, disabledPkgSetting, suid, destCodeFile, 10302 pkg.applicationInfo.nativeLibraryDir, pkg.applicationInfo.primaryCpuAbi, 10303 pkg.applicationInfo.secondaryCpuAbi, pkg.applicationInfo.flags, 10304 pkg.applicationInfo.privateFlags, pkg.getChildPackageNames(), 10305 UserManagerService.getInstance(), usesStaticLibraries, 10306 pkg.usesStaticLibrariesVersions); 10307 } 10308 // SIDE EFFECTS; persists system state to files on disk; move elsewhere 10309 mSettings.writeUserRestrictionsLPw(pkgSetting, oldPkgSetting); 10310 10311 // SIDE EFFECTS; modifies system state; move elsewhere 10312 if (pkgSetting.origPackage != null) { 10313 // If we are first transitioning from an original package, 10314 // fix up the new package's name now. We need to do this after 10315 // looking up the package under its new name, so getPackageLP 10316 // can take care of fiddling things correctly. 10317 pkg.setPackageName(origPackage.name); 10318 10319 // File a report about this. 10320 String msg = "New package " + pkgSetting.realName 10321 + " renamed to replace old package " + pkgSetting.name; 10322 reportSettingsProblem(Log.WARN, msg); 10323 10324 // Make a note of it. 10325 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 10326 mTransferedPackages.add(origPackage.name); 10327 } 10328 10329 // No longer need to retain this. 10330 pkgSetting.origPackage = null; 10331 } 10332 10333 // SIDE EFFECTS; modifies system state; move elsewhere 10334 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 10335 // Make a note of it. 10336 mTransferedPackages.add(pkg.packageName); 10337 } 10338 10339 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 10340 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10341 } 10342 10343 if ((scanFlags & SCAN_BOOTING) == 0 10344 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 10345 // Check all shared libraries and map to their actual file path. 10346 // We only do this here for apps not on a system dir, because those 10347 // are the only ones that can fail an install due to this. We 10348 // will take care of the system apps by updating all of their 10349 // library paths after the scan is done. Also during the initial 10350 // scan don't update any libs as we do this wholesale after all 10351 // apps are scanned to avoid dependency based scanning. 10352 updateSharedLibrariesLPr(pkg, null); 10353 } 10354 10355 if (mFoundPolicyFile) { 10356 SELinuxMMAC.assignSeInfoValue(pkg); 10357 } 10358 pkg.applicationInfo.uid = pkgSetting.appId; 10359 pkg.mExtras = pkgSetting; 10360 10361 10362 // Static shared libs have same package with different versions where 10363 // we internally use a synthetic package name to allow multiple versions 10364 // of the same package, therefore we need to compare signatures against 10365 // the package setting for the latest library version. 10366 PackageSetting signatureCheckPs = pkgSetting; 10367 if (pkg.applicationInfo.isStaticSharedLibrary()) { 10368 SharedLibraryEntry libraryEntry = getLatestSharedLibraVersionLPr(pkg); 10369 if (libraryEntry != null) { 10370 signatureCheckPs = mSettings.getPackageLPr(libraryEntry.apk); 10371 } 10372 } 10373 10374 if (shouldCheckUpgradeKeySetLP(signatureCheckPs, scanFlags)) { 10375 if (checkUpgradeKeySetLP(signatureCheckPs, pkg)) { 10376 // We just determined the app is signed correctly, so bring 10377 // over the latest parsed certs. 10378 pkgSetting.signatures.mSignatures = pkg.mSignatures; 10379 } else { 10380 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 10381 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 10382 "Package " + pkg.packageName + " upgrade keys do not match the " 10383 + "previously installed version"); 10384 } else { 10385 pkgSetting.signatures.mSignatures = pkg.mSignatures; 10386 String msg = "System package " + pkg.packageName 10387 + " signature changed; retaining data."; 10388 reportSettingsProblem(Log.WARN, msg); 10389 } 10390 } 10391 } else { 10392 try { 10393 // SIDE EFFECTS; compareSignaturesCompat() changes KeysetManagerService 10394 verifySignaturesLP(signatureCheckPs, pkg); 10395 // We just determined the app is signed correctly, so bring 10396 // over the latest parsed certs. 10397 pkgSetting.signatures.mSignatures = pkg.mSignatures; 10398 } catch (PackageManagerException e) { 10399 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 10400 throw e; 10401 } 10402 // The signature has changed, but this package is in the system 10403 // image... let's recover! 10404 pkgSetting.signatures.mSignatures = pkg.mSignatures; 10405 // However... if this package is part of a shared user, but it 10406 // doesn't match the signature of the shared user, let's fail. 10407 // What this means is that you can't change the signatures 10408 // associated with an overall shared user, which doesn't seem all 10409 // that unreasonable. 10410 if (signatureCheckPs.sharedUser != null) { 10411 if (compareSignatures(signatureCheckPs.sharedUser.signatures.mSignatures, 10412 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 10413 throw new PackageManagerException( 10414 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 10415 "Signature mismatch for shared user: " 10416 + pkgSetting.sharedUser); 10417 } 10418 } 10419 // File a report about this. 10420 String msg = "System package " + pkg.packageName 10421 + " signature changed; retaining data."; 10422 reportSettingsProblem(Log.WARN, msg); 10423 } 10424 } 10425 10426 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 10427 // This package wants to adopt ownership of permissions from 10428 // another package. 10429 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 10430 final String origName = pkg.mAdoptPermissions.get(i); 10431 final PackageSetting orig = mSettings.getPackageLPr(origName); 10432 if (orig != null) { 10433 if (verifyPackageUpdateLPr(orig, pkg)) { 10434 Slog.i(TAG, "Adopting permissions from " + origName + " to " 10435 + pkg.packageName); 10436 // SIDE EFFECTS; updates permissions system state; move elsewhere 10437 mSettings.transferPermissionsLPw(origName, pkg.packageName); 10438 } 10439 } 10440 } 10441 } 10442 } 10443 10444 pkg.applicationInfo.processName = fixProcessName( 10445 pkg.applicationInfo.packageName, 10446 pkg.applicationInfo.processName); 10447 10448 if (pkg != mPlatformPackage) { 10449 // Get all of our default paths setup 10450 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 10451 } 10452 10453 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 10454 10455 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 10456 if ((scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) != 0) { 10457 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "derivePackageAbi"); 10458 final boolean extractNativeLibs = !pkg.isLibrary(); 10459 derivePackageAbi(pkg, scanFile, cpuAbiOverride, extractNativeLibs, 10460 mAppLib32InstallDir); 10461 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10462 10463 // Some system apps still use directory structure for native libraries 10464 // in which case we might end up not detecting abi solely based on apk 10465 // structure. Try to detect abi based on directory structure. 10466 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 10467 pkg.applicationInfo.primaryCpuAbi == null) { 10468 setBundledAppAbisAndRoots(pkg, pkgSetting); 10469 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 10470 } 10471 } else { 10472 // This is not a first boot or an upgrade, don't bother deriving the 10473 // ABI during the scan. Instead, trust the value that was stored in the 10474 // package setting. 10475 pkg.applicationInfo.primaryCpuAbi = primaryCpuAbiFromSettings; 10476 pkg.applicationInfo.secondaryCpuAbi = secondaryCpuAbiFromSettings; 10477 10478 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 10479 10480 if (DEBUG_ABI_SELECTION) { 10481 Slog.i(TAG, "Using ABIS and native lib paths from settings : " + 10482 pkg.packageName + " " + pkg.applicationInfo.primaryCpuAbi + ", " + 10483 pkg.applicationInfo.secondaryCpuAbi); 10484 } 10485 } 10486 } else { 10487 if ((scanFlags & SCAN_MOVE) != 0) { 10488 // We haven't run dex-opt for this move (since we've moved the compiled output too) 10489 // but we already have this packages package info in the PackageSetting. We just 10490 // use that and derive the native library path based on the new codepath. 10491 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 10492 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 10493 } 10494 10495 // Set native library paths again. For moves, the path will be updated based on the 10496 // ABIs we've determined above. For non-moves, the path will be updated based on the 10497 // ABIs we determined during compilation, but the path will depend on the final 10498 // package path (after the rename away from the stage path). 10499 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 10500 } 10501 10502 // This is a special case for the "system" package, where the ABI is 10503 // dictated by the zygote configuration (and init.rc). We should keep track 10504 // of this ABI so that we can deal with "normal" applications that run under 10505 // the same UID correctly. 10506 if (mPlatformPackage == pkg) { 10507 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 10508 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 10509 } 10510 10511 // If there's a mismatch between the abi-override in the package setting 10512 // and the abiOverride specified for the install. Warn about this because we 10513 // would've already compiled the app without taking the package setting into 10514 // account. 10515 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 10516 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 10517 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 10518 " for package " + pkg.packageName); 10519 } 10520 } 10521 10522 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 10523 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 10524 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 10525 10526 // Copy the derived override back to the parsed package, so that we can 10527 // update the package settings accordingly. 10528 pkg.cpuAbiOverride = cpuAbiOverride; 10529 10530 if (DEBUG_ABI_SELECTION) { 10531 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 10532 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 10533 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 10534 } 10535 10536 // Push the derived path down into PackageSettings so we know what to 10537 // clean up at uninstall time. 10538 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 10539 10540 if (DEBUG_ABI_SELECTION) { 10541 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 10542 " primary=" + pkg.applicationInfo.primaryCpuAbi + 10543 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 10544 } 10545 10546 // SIDE EFFECTS; removes DEX files from disk; move elsewhere 10547 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 10548 // We don't do this here during boot because we can do it all 10549 // at once after scanning all existing packages. 10550 // 10551 // We also do this *before* we perform dexopt on this package, so that 10552 // we can avoid redundant dexopts, and also to make sure we've got the 10553 // code and package path correct. 10554 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, pkg); 10555 } 10556 10557 if (mFactoryTest && pkg.requestedPermissions.contains( 10558 android.Manifest.permission.FACTORY_TEST)) { 10559 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 10560 } 10561 10562 if (isSystemApp(pkg)) { 10563 pkgSetting.isOrphaned = true; 10564 } 10565 10566 // Take care of first install / last update times. 10567 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 10568 if (currentTime != 0) { 10569 if (pkgSetting.firstInstallTime == 0) { 10570 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 10571 } else if ((scanFlags & SCAN_UPDATE_TIME) != 0) { 10572 pkgSetting.lastUpdateTime = currentTime; 10573 } 10574 } else if (pkgSetting.firstInstallTime == 0) { 10575 // We need *something*. Take time time stamp of the file. 10576 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 10577 } else if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 10578 if (scanFileTime != pkgSetting.timeStamp) { 10579 // A package on the system image has changed; consider this 10580 // to be an update. 10581 pkgSetting.lastUpdateTime = scanFileTime; 10582 } 10583 } 10584 pkgSetting.setTimeStamp(scanFileTime); 10585 10586 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 10587 if (nonMutatedPs != null) { 10588 synchronized (mPackages) { 10589 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 10590 } 10591 } 10592 } else { 10593 final int userId = user == null ? 0 : user.getIdentifier(); 10594 // Modify state for the given package setting 10595 commitPackageSettings(pkg, pkgSetting, user, scanFlags, 10596 (policyFlags & PackageParser.PARSE_CHATTY) != 0 /*chatty*/); 10597 if (pkgSetting.getInstantApp(userId)) { 10598 mInstantAppRegistry.addInstantAppLPw(userId, pkgSetting.appId); 10599 } 10600 } 10601 return pkg; 10602 } 10603 10604 /** 10605 * Applies policy to the parsed package based upon the given policy flags. 10606 * Ensures the package is in a good state. 10607 * <p> 10608 * Implementation detail: This method must NOT have any side effect. It would 10609 * ideally be static, but, it requires locks to read system state. 10610 */ 10611 private void applyPolicy(PackageParser.Package pkg, int policyFlags) { 10612 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 10613 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 10614 if (pkg.applicationInfo.isDirectBootAware()) { 10615 // we're direct boot aware; set for all components 10616 for (PackageParser.Service s : pkg.services) { 10617 s.info.encryptionAware = s.info.directBootAware = true; 10618 } 10619 for (PackageParser.Provider p : pkg.providers) { 10620 p.info.encryptionAware = p.info.directBootAware = true; 10621 } 10622 for (PackageParser.Activity a : pkg.activities) { 10623 a.info.encryptionAware = a.info.directBootAware = true; 10624 } 10625 for (PackageParser.Activity r : pkg.receivers) { 10626 r.info.encryptionAware = r.info.directBootAware = true; 10627 } 10628 } 10629 } else { 10630 // Only allow system apps to be flagged as core apps. 10631 pkg.coreApp = false; 10632 // clear flags not applicable to regular apps 10633 pkg.applicationInfo.privateFlags &= 10634 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 10635 pkg.applicationInfo.privateFlags &= 10636 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 10637 } 10638 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 10639 10640 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 10641 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 10642 } 10643 10644 if (!isSystemApp(pkg)) { 10645 // Only system apps can use these features. 10646 pkg.mOriginalPackages = null; 10647 pkg.mRealPackage = null; 10648 pkg.mAdoptPermissions = null; 10649 } 10650 } 10651 10652 /** 10653 * Asserts the parsed package is valid according to the given policy. If the 10654 * package is invalid, for whatever reason, throws {@link PackageManagerException}. 10655 * <p> 10656 * Implementation detail: This method must NOT have any side effects. It would 10657 * ideally be static, but, it requires locks to read system state. 10658 * 10659 * @throws PackageManagerException If the package fails any of the validation checks 10660 */ 10661 private void assertPackageIsValid(PackageParser.Package pkg, int policyFlags, int scanFlags) 10662 throws PackageManagerException { 10663 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 10664 assertCodePolicy(pkg); 10665 } 10666 10667 if (pkg.applicationInfo.getCodePath() == null || 10668 pkg.applicationInfo.getResourcePath() == null) { 10669 // Bail out. The resource and code paths haven't been set. 10670 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 10671 "Code and resource paths haven't been set correctly"); 10672 } 10673 10674 // Make sure we're not adding any bogus keyset info 10675 KeySetManagerService ksms = mSettings.mKeySetManagerService; 10676 ksms.assertScannedPackageValid(pkg); 10677 10678 synchronized (mPackages) { 10679 // The special "android" package can only be defined once 10680 if (pkg.packageName.equals("android")) { 10681 if (mAndroidApplication != null) { 10682 Slog.w(TAG, "*************************************************"); 10683 Slog.w(TAG, "Core android package being redefined. Skipping."); 10684 Slog.w(TAG, " codePath=" + pkg.codePath); 10685 Slog.w(TAG, "*************************************************"); 10686 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 10687 "Core android package being redefined. Skipping."); 10688 } 10689 } 10690 10691 // A package name must be unique; don't allow duplicates 10692 if (mPackages.containsKey(pkg.packageName)) { 10693 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 10694 "Application package " + pkg.packageName 10695 + " already installed. Skipping duplicate."); 10696 } 10697 10698 if (pkg.applicationInfo.isStaticSharedLibrary()) { 10699 // Static libs have a synthetic package name containing the version 10700 // but we still want the base name to be unique. 10701 if (mPackages.containsKey(pkg.manifestPackageName)) { 10702 throw new PackageManagerException( 10703 "Duplicate static shared lib provider package"); 10704 } 10705 10706 // Static shared libraries should have at least O target SDK 10707 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.O) { 10708 throw new PackageManagerException( 10709 "Packages declaring static-shared libs must target O SDK or higher"); 10710 } 10711 10712 // Package declaring static a shared lib cannot be instant apps 10713 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 10714 throw new PackageManagerException( 10715 "Packages declaring static-shared libs cannot be instant apps"); 10716 } 10717 10718 // Package declaring static a shared lib cannot be renamed since the package 10719 // name is synthetic and apps can't code around package manager internals. 10720 if (!ArrayUtils.isEmpty(pkg.mOriginalPackages)) { 10721 throw new PackageManagerException( 10722 "Packages declaring static-shared libs cannot be renamed"); 10723 } 10724 10725 // Package declaring static a shared lib cannot declare child packages 10726 if (!ArrayUtils.isEmpty(pkg.childPackages)) { 10727 throw new PackageManagerException( 10728 "Packages declaring static-shared libs cannot have child packages"); 10729 } 10730 10731 // Package declaring static a shared lib cannot declare dynamic libs 10732 if (!ArrayUtils.isEmpty(pkg.libraryNames)) { 10733 throw new PackageManagerException( 10734 "Packages declaring static-shared libs cannot declare dynamic libs"); 10735 } 10736 10737 // Package declaring static a shared lib cannot declare shared users 10738 if (pkg.mSharedUserId != null) { 10739 throw new PackageManagerException( 10740 "Packages declaring static-shared libs cannot declare shared users"); 10741 } 10742 10743 // Static shared libs cannot declare activities 10744 if (!pkg.activities.isEmpty()) { 10745 throw new PackageManagerException( 10746 "Static shared libs cannot declare activities"); 10747 } 10748 10749 // Static shared libs cannot declare services 10750 if (!pkg.services.isEmpty()) { 10751 throw new PackageManagerException( 10752 "Static shared libs cannot declare services"); 10753 } 10754 10755 // Static shared libs cannot declare providers 10756 if (!pkg.providers.isEmpty()) { 10757 throw new PackageManagerException( 10758 "Static shared libs cannot declare content providers"); 10759 } 10760 10761 // Static shared libs cannot declare receivers 10762 if (!pkg.receivers.isEmpty()) { 10763 throw new PackageManagerException( 10764 "Static shared libs cannot declare broadcast receivers"); 10765 } 10766 10767 // Static shared libs cannot declare permission groups 10768 if (!pkg.permissionGroups.isEmpty()) { 10769 throw new PackageManagerException( 10770 "Static shared libs cannot declare permission groups"); 10771 } 10772 10773 // Static shared libs cannot declare permissions 10774 if (!pkg.permissions.isEmpty()) { 10775 throw new PackageManagerException( 10776 "Static shared libs cannot declare permissions"); 10777 } 10778 10779 // Static shared libs cannot declare protected broadcasts 10780 if (pkg.protectedBroadcasts != null) { 10781 throw new PackageManagerException( 10782 "Static shared libs cannot declare protected broadcasts"); 10783 } 10784 10785 // Static shared libs cannot be overlay targets 10786 if (pkg.mOverlayTarget != null) { 10787 throw new PackageManagerException( 10788 "Static shared libs cannot be overlay targets"); 10789 } 10790 10791 // The version codes must be ordered as lib versions 10792 int minVersionCode = Integer.MIN_VALUE; 10793 int maxVersionCode = Integer.MAX_VALUE; 10794 10795 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get( 10796 pkg.staticSharedLibName); 10797 if (versionedLib != null) { 10798 final int versionCount = versionedLib.size(); 10799 for (int i = 0; i < versionCount; i++) { 10800 SharedLibraryInfo libInfo = versionedLib.valueAt(i).info; 10801 final int libVersionCode = libInfo.getDeclaringPackage() 10802 .getVersionCode(); 10803 if (libInfo.getVersion() < pkg.staticSharedLibVersion) { 10804 minVersionCode = Math.max(minVersionCode, libVersionCode + 1); 10805 } else if (libInfo.getVersion() > pkg.staticSharedLibVersion) { 10806 maxVersionCode = Math.min(maxVersionCode, libVersionCode - 1); 10807 } else { 10808 minVersionCode = maxVersionCode = libVersionCode; 10809 break; 10810 } 10811 } 10812 } 10813 if (pkg.mVersionCode < minVersionCode || pkg.mVersionCode > maxVersionCode) { 10814 throw new PackageManagerException("Static shared" 10815 + " lib version codes must be ordered as lib versions"); 10816 } 10817 } 10818 10819 // Only privileged apps and updated privileged apps can add child packages. 10820 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 10821 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 10822 throw new PackageManagerException("Only privileged apps can add child " 10823 + "packages. Ignoring package " + pkg.packageName); 10824 } 10825 final int childCount = pkg.childPackages.size(); 10826 for (int i = 0; i < childCount; i++) { 10827 PackageParser.Package childPkg = pkg.childPackages.get(i); 10828 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 10829 childPkg.packageName)) { 10830 throw new PackageManagerException("Can't override child of " 10831 + "another disabled app. Ignoring package " + pkg.packageName); 10832 } 10833 } 10834 } 10835 10836 // If we're only installing presumed-existing packages, require that the 10837 // scanned APK is both already known and at the path previously established 10838 // for it. Previously unknown packages we pick up normally, but if we have an 10839 // a priori expectation about this package's install presence, enforce it. 10840 // With a singular exception for new system packages. When an OTA contains 10841 // a new system package, we allow the codepath to change from a system location 10842 // to the user-installed location. If we don't allow this change, any newer, 10843 // user-installed version of the application will be ignored. 10844 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 10845 if (mExpectingBetter.containsKey(pkg.packageName)) { 10846 logCriticalInfo(Log.WARN, 10847 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 10848 } else { 10849 PackageSetting known = mSettings.getPackageLPr(pkg.packageName); 10850 if (known != null) { 10851 if (DEBUG_PACKAGE_SCANNING) { 10852 Log.d(TAG, "Examining " + pkg.codePath 10853 + " and requiring known paths " + known.codePathString 10854 + " & " + known.resourcePathString); 10855 } 10856 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 10857 || !pkg.applicationInfo.getResourcePath().equals( 10858 known.resourcePathString)) { 10859 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 10860 "Application package " + pkg.packageName 10861 + " found at " + pkg.applicationInfo.getCodePath() 10862 + " but expected at " + known.codePathString 10863 + "; ignoring."); 10864 } 10865 } 10866 } 10867 } 10868 10869 // Verify that this new package doesn't have any content providers 10870 // that conflict with existing packages. Only do this if the 10871 // package isn't already installed, since we don't want to break 10872 // things that are installed. 10873 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 10874 final int N = pkg.providers.size(); 10875 int i; 10876 for (i=0; i<N; i++) { 10877 PackageParser.Provider p = pkg.providers.get(i); 10878 if (p.info.authority != null) { 10879 String names[] = p.info.authority.split(";"); 10880 for (int j = 0; j < names.length; j++) { 10881 if (mProvidersByAuthority.containsKey(names[j])) { 10882 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 10883 final String otherPackageName = 10884 ((other != null && other.getComponentName() != null) ? 10885 other.getComponentName().getPackageName() : "?"); 10886 throw new PackageManagerException( 10887 INSTALL_FAILED_CONFLICTING_PROVIDER, 10888 "Can't install because provider name " + names[j] 10889 + " (in package " + pkg.applicationInfo.packageName 10890 + ") is already used by " + otherPackageName); 10891 } 10892 } 10893 } 10894 } 10895 } 10896 } 10897 } 10898 10899 private boolean addSharedLibraryLPw(String path, String apk, String name, int version, 10900 int type, String declaringPackageName, int declaringVersionCode) { 10901 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 10902 if (versionedLib == null) { 10903 versionedLib = new SparseArray<>(); 10904 mSharedLibraries.put(name, versionedLib); 10905 if (type == SharedLibraryInfo.TYPE_STATIC) { 10906 mStaticLibsByDeclaringPackage.put(declaringPackageName, versionedLib); 10907 } 10908 } else if (versionedLib.indexOfKey(version) >= 0) { 10909 return false; 10910 } 10911 SharedLibraryEntry libEntry = new SharedLibraryEntry(path, apk, name, 10912 version, type, declaringPackageName, declaringVersionCode); 10913 versionedLib.put(version, libEntry); 10914 return true; 10915 } 10916 10917 private boolean removeSharedLibraryLPw(String name, int version) { 10918 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 10919 if (versionedLib == null) { 10920 return false; 10921 } 10922 final int libIdx = versionedLib.indexOfKey(version); 10923 if (libIdx < 0) { 10924 return false; 10925 } 10926 SharedLibraryEntry libEntry = versionedLib.valueAt(libIdx); 10927 versionedLib.remove(version); 10928 if (versionedLib.size() <= 0) { 10929 mSharedLibraries.remove(name); 10930 if (libEntry.info.getType() == SharedLibraryInfo.TYPE_STATIC) { 10931 mStaticLibsByDeclaringPackage.remove(libEntry.info.getDeclaringPackage() 10932 .getPackageName()); 10933 } 10934 } 10935 return true; 10936 } 10937 10938 /** 10939 * Adds a scanned package to the system. When this method is finished, the package will 10940 * be available for query, resolution, etc... 10941 */ 10942 private void commitPackageSettings(PackageParser.Package pkg, PackageSetting pkgSetting, 10943 UserHandle user, int scanFlags, boolean chatty) throws PackageManagerException { 10944 final String pkgName = pkg.packageName; 10945 if (mCustomResolverComponentName != null && 10946 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 10947 setUpCustomResolverActivity(pkg); 10948 } 10949 10950 if (pkg.packageName.equals("android")) { 10951 synchronized (mPackages) { 10952 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 10953 // Set up information for our fall-back user intent resolution activity. 10954 mPlatformPackage = pkg; 10955 pkg.mVersionCode = mSdkVersion; 10956 mAndroidApplication = pkg.applicationInfo; 10957 if (!mResolverReplaced) { 10958 mResolveActivity.applicationInfo = mAndroidApplication; 10959 mResolveActivity.name = ResolverActivity.class.getName(); 10960 mResolveActivity.packageName = mAndroidApplication.packageName; 10961 mResolveActivity.processName = "system:ui"; 10962 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 10963 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 10964 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 10965 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 10966 mResolveActivity.exported = true; 10967 mResolveActivity.enabled = true; 10968 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 10969 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 10970 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 10971 | ActivityInfo.CONFIG_SCREEN_LAYOUT 10972 | ActivityInfo.CONFIG_ORIENTATION 10973 | ActivityInfo.CONFIG_KEYBOARD 10974 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 10975 mResolveInfo.activityInfo = mResolveActivity; 10976 mResolveInfo.priority = 0; 10977 mResolveInfo.preferredOrder = 0; 10978 mResolveInfo.match = 0; 10979 mResolveComponentName = new ComponentName( 10980 mAndroidApplication.packageName, mResolveActivity.name); 10981 } 10982 } 10983 } 10984 } 10985 10986 ArrayList<PackageParser.Package> clientLibPkgs = null; 10987 // writer 10988 synchronized (mPackages) { 10989 boolean hasStaticSharedLibs = false; 10990 10991 // Any app can add new static shared libraries 10992 if (pkg.staticSharedLibName != null) { 10993 // Static shared libs don't allow renaming as they have synthetic package 10994 // names to allow install of multiple versions, so use name from manifest. 10995 if (addSharedLibraryLPw(null, pkg.packageName, pkg.staticSharedLibName, 10996 pkg.staticSharedLibVersion, SharedLibraryInfo.TYPE_STATIC, 10997 pkg.manifestPackageName, pkg.mVersionCode)) { 10998 hasStaticSharedLibs = true; 10999 } else { 11000 Slog.w(TAG, "Package " + pkg.packageName + " library " 11001 + pkg.staticSharedLibName + " already exists; skipping"); 11002 } 11003 // Static shared libs cannot be updated once installed since they 11004 // use synthetic package name which includes the version code, so 11005 // not need to update other packages's shared lib dependencies. 11006 } 11007 11008 if (!hasStaticSharedLibs 11009 && (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 11010 // Only system apps can add new dynamic shared libraries. 11011 if (pkg.libraryNames != null) { 11012 for (int i = 0; i < pkg.libraryNames.size(); i++) { 11013 String name = pkg.libraryNames.get(i); 11014 boolean allowed = false; 11015 if (pkg.isUpdatedSystemApp()) { 11016 // New library entries can only be added through the 11017 // system image. This is important to get rid of a lot 11018 // of nasty edge cases: for example if we allowed a non- 11019 // system update of the app to add a library, then uninstalling 11020 // the update would make the library go away, and assumptions 11021 // we made such as through app install filtering would now 11022 // have allowed apps on the device which aren't compatible 11023 // with it. Better to just have the restriction here, be 11024 // conservative, and create many fewer cases that can negatively 11025 // impact the user experience. 11026 final PackageSetting sysPs = mSettings 11027 .getDisabledSystemPkgLPr(pkg.packageName); 11028 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 11029 for (int j = 0; j < sysPs.pkg.libraryNames.size(); j++) { 11030 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 11031 allowed = true; 11032 break; 11033 } 11034 } 11035 } 11036 } else { 11037 allowed = true; 11038 } 11039 if (allowed) { 11040 if (!addSharedLibraryLPw(null, pkg.packageName, name, 11041 SharedLibraryInfo.VERSION_UNDEFINED, 11042 SharedLibraryInfo.TYPE_DYNAMIC, 11043 pkg.packageName, pkg.mVersionCode)) { 11044 Slog.w(TAG, "Package " + pkg.packageName + " library " 11045 + name + " already exists; skipping"); 11046 } 11047 } else { 11048 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 11049 + name + " that is not declared on system image; skipping"); 11050 } 11051 } 11052 11053 if ((scanFlags & SCAN_BOOTING) == 0) { 11054 // If we are not booting, we need to update any applications 11055 // that are clients of our shared library. If we are booting, 11056 // this will all be done once the scan is complete. 11057 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 11058 } 11059 } 11060 } 11061 } 11062 11063 if ((scanFlags & SCAN_BOOTING) != 0) { 11064 // No apps can run during boot scan, so they don't need to be frozen 11065 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 11066 // Caller asked to not kill app, so it's probably not frozen 11067 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 11068 // Caller asked us to ignore frozen check for some reason; they 11069 // probably didn't know the package name 11070 } else { 11071 // We're doing major surgery on this package, so it better be frozen 11072 // right now to keep it from launching 11073 checkPackageFrozen(pkgName); 11074 } 11075 11076 // Also need to kill any apps that are dependent on the library. 11077 if (clientLibPkgs != null) { 11078 for (int i=0; i<clientLibPkgs.size(); i++) { 11079 PackageParser.Package clientPkg = clientLibPkgs.get(i); 11080 killApplication(clientPkg.applicationInfo.packageName, 11081 clientPkg.applicationInfo.uid, "update lib"); 11082 } 11083 } 11084 11085 // writer 11086 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 11087 11088 synchronized (mPackages) { 11089 // We don't expect installation to fail beyond this point 11090 11091 // Add the new setting to mSettings 11092 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 11093 // Add the new setting to mPackages 11094 mPackages.put(pkg.applicationInfo.packageName, pkg); 11095 // Make sure we don't accidentally delete its data. 11096 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 11097 while (iter.hasNext()) { 11098 PackageCleanItem item = iter.next(); 11099 if (pkgName.equals(item.packageName)) { 11100 iter.remove(); 11101 } 11102 } 11103 11104 // Add the package's KeySets to the global KeySetManagerService 11105 KeySetManagerService ksms = mSettings.mKeySetManagerService; 11106 ksms.addScannedPackageLPw(pkg); 11107 11108 int N = pkg.providers.size(); 11109 StringBuilder r = null; 11110 int i; 11111 for (i=0; i<N; i++) { 11112 PackageParser.Provider p = pkg.providers.get(i); 11113 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 11114 p.info.processName); 11115 mProviders.addProvider(p); 11116 p.syncable = p.info.isSyncable; 11117 if (p.info.authority != null) { 11118 String names[] = p.info.authority.split(";"); 11119 p.info.authority = null; 11120 for (int j = 0; j < names.length; j++) { 11121 if (j == 1 && p.syncable) { 11122 // We only want the first authority for a provider to possibly be 11123 // syncable, so if we already added this provider using a different 11124 // authority clear the syncable flag. We copy the provider before 11125 // changing it because the mProviders object contains a reference 11126 // to a provider that we don't want to change. 11127 // Only do this for the second authority since the resulting provider 11128 // object can be the same for all future authorities for this provider. 11129 p = new PackageParser.Provider(p); 11130 p.syncable = false; 11131 } 11132 if (!mProvidersByAuthority.containsKey(names[j])) { 11133 mProvidersByAuthority.put(names[j], p); 11134 if (p.info.authority == null) { 11135 p.info.authority = names[j]; 11136 } else { 11137 p.info.authority = p.info.authority + ";" + names[j]; 11138 } 11139 if (DEBUG_PACKAGE_SCANNING) { 11140 if (chatty) 11141 Log.d(TAG, "Registered content provider: " + names[j] 11142 + ", className = " + p.info.name + ", isSyncable = " 11143 + p.info.isSyncable); 11144 } 11145 } else { 11146 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 11147 Slog.w(TAG, "Skipping provider name " + names[j] + 11148 " (in package " + pkg.applicationInfo.packageName + 11149 "): name already used by " 11150 + ((other != null && other.getComponentName() != null) 11151 ? other.getComponentName().getPackageName() : "?")); 11152 } 11153 } 11154 } 11155 if (chatty) { 11156 if (r == null) { 11157 r = new StringBuilder(256); 11158 } else { 11159 r.append(' '); 11160 } 11161 r.append(p.info.name); 11162 } 11163 } 11164 if (r != null) { 11165 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 11166 } 11167 11168 N = pkg.services.size(); 11169 r = null; 11170 for (i=0; i<N; i++) { 11171 PackageParser.Service s = pkg.services.get(i); 11172 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 11173 s.info.processName); 11174 mServices.addService(s); 11175 if (chatty) { 11176 if (r == null) { 11177 r = new StringBuilder(256); 11178 } else { 11179 r.append(' '); 11180 } 11181 r.append(s.info.name); 11182 } 11183 } 11184 if (r != null) { 11185 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 11186 } 11187 11188 N = pkg.receivers.size(); 11189 r = null; 11190 for (i=0; i<N; i++) { 11191 PackageParser.Activity a = pkg.receivers.get(i); 11192 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 11193 a.info.processName); 11194 mReceivers.addActivity(a, "receiver"); 11195 if (chatty) { 11196 if (r == null) { 11197 r = new StringBuilder(256); 11198 } else { 11199 r.append(' '); 11200 } 11201 r.append(a.info.name); 11202 } 11203 } 11204 if (r != null) { 11205 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 11206 } 11207 11208 N = pkg.activities.size(); 11209 r = null; 11210 for (i=0; i<N; i++) { 11211 PackageParser.Activity a = pkg.activities.get(i); 11212 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 11213 a.info.processName); 11214 mActivities.addActivity(a, "activity"); 11215 if (chatty) { 11216 if (r == null) { 11217 r = new StringBuilder(256); 11218 } else { 11219 r.append(' '); 11220 } 11221 r.append(a.info.name); 11222 } 11223 } 11224 if (r != null) { 11225 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 11226 } 11227 11228 N = pkg.permissionGroups.size(); 11229 r = null; 11230 for (i=0; i<N; i++) { 11231 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 11232 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 11233 final String curPackageName = cur == null ? null : cur.info.packageName; 11234 // Dont allow ephemeral apps to define new permission groups. 11235 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 11236 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 11237 + pg.info.packageName 11238 + " ignored: instant apps cannot define new permission groups."); 11239 continue; 11240 } 11241 final boolean isPackageUpdate = pg.info.packageName.equals(curPackageName); 11242 if (cur == null || isPackageUpdate) { 11243 mPermissionGroups.put(pg.info.name, pg); 11244 if (chatty) { 11245 if (r == null) { 11246 r = new StringBuilder(256); 11247 } else { 11248 r.append(' '); 11249 } 11250 if (isPackageUpdate) { 11251 r.append("UPD:"); 11252 } 11253 r.append(pg.info.name); 11254 } 11255 } else { 11256 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 11257 + pg.info.packageName + " ignored: original from " 11258 + cur.info.packageName); 11259 if (chatty) { 11260 if (r == null) { 11261 r = new StringBuilder(256); 11262 } else { 11263 r.append(' '); 11264 } 11265 r.append("DUP:"); 11266 r.append(pg.info.name); 11267 } 11268 } 11269 } 11270 if (r != null) { 11271 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 11272 } 11273 11274 N = pkg.permissions.size(); 11275 r = null; 11276 for (i=0; i<N; i++) { 11277 PackageParser.Permission p = pkg.permissions.get(i); 11278 11279 // Dont allow ephemeral apps to define new permissions. 11280 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 11281 Slog.w(TAG, "Permission " + p.info.name + " from package " 11282 + p.info.packageName 11283 + " ignored: instant apps cannot define new permissions."); 11284 continue; 11285 } 11286 11287 // Assume by default that we did not install this permission into the system. 11288 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 11289 11290 // Now that permission groups have a special meaning, we ignore permission 11291 // groups for legacy apps to prevent unexpected behavior. In particular, 11292 // permissions for one app being granted to someone just because they happen 11293 // to be in a group defined by another app (before this had no implications). 11294 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 11295 p.group = mPermissionGroups.get(p.info.group); 11296 // Warn for a permission in an unknown group. 11297 if (DEBUG_PERMISSIONS && p.info.group != null && p.group == null) { 11298 Slog.i(TAG, "Permission " + p.info.name + " from package " 11299 + p.info.packageName + " in an unknown group " + p.info.group); 11300 } 11301 } 11302 11303 ArrayMap<String, BasePermission> permissionMap = 11304 p.tree ? mSettings.mPermissionTrees 11305 : mSettings.mPermissions; 11306 BasePermission bp = permissionMap.get(p.info.name); 11307 11308 // Allow system apps to redefine non-system permissions 11309 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 11310 final boolean currentOwnerIsSystem = (bp.perm != null 11311 && isSystemApp(bp.perm.owner)); 11312 if (isSystemApp(p.owner)) { 11313 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 11314 // It's a built-in permission and no owner, take ownership now 11315 bp.packageSetting = pkgSetting; 11316 bp.perm = p; 11317 bp.uid = pkg.applicationInfo.uid; 11318 bp.sourcePackage = p.info.packageName; 11319 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 11320 } else if (!currentOwnerIsSystem) { 11321 String msg = "New decl " + p.owner + " of permission " 11322 + p.info.name + " is system; overriding " + bp.sourcePackage; 11323 reportSettingsProblem(Log.WARN, msg); 11324 bp = null; 11325 } 11326 } 11327 } 11328 11329 if (bp == null) { 11330 bp = new BasePermission(p.info.name, p.info.packageName, 11331 BasePermission.TYPE_NORMAL); 11332 permissionMap.put(p.info.name, bp); 11333 } 11334 11335 if (bp.perm == null) { 11336 if (bp.sourcePackage == null 11337 || bp.sourcePackage.equals(p.info.packageName)) { 11338 BasePermission tree = findPermissionTreeLP(p.info.name); 11339 if (tree == null 11340 || tree.sourcePackage.equals(p.info.packageName)) { 11341 bp.packageSetting = pkgSetting; 11342 bp.perm = p; 11343 bp.uid = pkg.applicationInfo.uid; 11344 bp.sourcePackage = p.info.packageName; 11345 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 11346 if (chatty) { 11347 if (r == null) { 11348 r = new StringBuilder(256); 11349 } else { 11350 r.append(' '); 11351 } 11352 r.append(p.info.name); 11353 } 11354 } else { 11355 Slog.w(TAG, "Permission " + p.info.name + " from package " 11356 + p.info.packageName + " ignored: base tree " 11357 + tree.name + " is from package " 11358 + tree.sourcePackage); 11359 } 11360 } else { 11361 Slog.w(TAG, "Permission " + p.info.name + " from package " 11362 + p.info.packageName + " ignored: original from " 11363 + bp.sourcePackage); 11364 } 11365 } else if (chatty) { 11366 if (r == null) { 11367 r = new StringBuilder(256); 11368 } else { 11369 r.append(' '); 11370 } 11371 r.append("DUP:"); 11372 r.append(p.info.name); 11373 } 11374 if (bp.perm == p) { 11375 bp.protectionLevel = p.info.protectionLevel; 11376 } 11377 } 11378 11379 if (r != null) { 11380 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 11381 } 11382 11383 N = pkg.instrumentation.size(); 11384 r = null; 11385 for (i=0; i<N; i++) { 11386 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 11387 a.info.packageName = pkg.applicationInfo.packageName; 11388 a.info.sourceDir = pkg.applicationInfo.sourceDir; 11389 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 11390 a.info.splitNames = pkg.splitNames; 11391 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 11392 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 11393 a.info.splitDependencies = pkg.applicationInfo.splitDependencies; 11394 a.info.dataDir = pkg.applicationInfo.dataDir; 11395 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 11396 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 11397 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 11398 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 11399 mInstrumentation.put(a.getComponentName(), a); 11400 if (chatty) { 11401 if (r == null) { 11402 r = new StringBuilder(256); 11403 } else { 11404 r.append(' '); 11405 } 11406 r.append(a.info.name); 11407 } 11408 } 11409 if (r != null) { 11410 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 11411 } 11412 11413 if (pkg.protectedBroadcasts != null) { 11414 N = pkg.protectedBroadcasts.size(); 11415 for (i=0; i<N; i++) { 11416 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 11417 } 11418 } 11419 } 11420 11421 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11422 } 11423 11424 /** 11425 * Derive the ABI of a non-system package located at {@code scanFile}. This information 11426 * is derived purely on the basis of the contents of {@code scanFile} and 11427 * {@code cpuAbiOverride}. 11428 * 11429 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 11430 */ 11431 private static void derivePackageAbi(PackageParser.Package pkg, File scanFile, 11432 String cpuAbiOverride, boolean extractLibs, 11433 File appLib32InstallDir) 11434 throws PackageManagerException { 11435 // Give ourselves some initial paths; we'll come back for another 11436 // pass once we've determined ABI below. 11437 setNativeLibraryPaths(pkg, appLib32InstallDir); 11438 11439 // We would never need to extract libs for forward-locked and external packages, 11440 // since the container service will do it for us. We shouldn't attempt to 11441 // extract libs from system app when it was not updated. 11442 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 11443 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 11444 extractLibs = false; 11445 } 11446 11447 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 11448 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 11449 11450 NativeLibraryHelper.Handle handle = null; 11451 try { 11452 handle = NativeLibraryHelper.Handle.create(pkg); 11453 // TODO(multiArch): This can be null for apps that didn't go through the 11454 // usual installation process. We can calculate it again, like we 11455 // do during install time. 11456 // 11457 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 11458 // unnecessary. 11459 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 11460 11461 // Null out the abis so that they can be recalculated. 11462 pkg.applicationInfo.primaryCpuAbi = null; 11463 pkg.applicationInfo.secondaryCpuAbi = null; 11464 if (isMultiArch(pkg.applicationInfo)) { 11465 // Warn if we've set an abiOverride for multi-lib packages.. 11466 // By definition, we need to copy both 32 and 64 bit libraries for 11467 // such packages. 11468 if (pkg.cpuAbiOverride != null 11469 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 11470 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 11471 } 11472 11473 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 11474 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 11475 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 11476 if (extractLibs) { 11477 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 11478 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 11479 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 11480 useIsaSpecificSubdirs); 11481 } else { 11482 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 11483 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 11484 } 11485 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11486 } 11487 11488 // Shared library native code should be in the APK zip aligned 11489 if (abi32 >= 0 && pkg.isLibrary() && extractLibs) { 11490 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 11491 "Shared library native lib extraction not supported"); 11492 } 11493 11494 maybeThrowExceptionForMultiArchCopy( 11495 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 11496 11497 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 11498 if (extractLibs) { 11499 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 11500 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 11501 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 11502 useIsaSpecificSubdirs); 11503 } else { 11504 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 11505 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 11506 } 11507 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11508 } 11509 11510 maybeThrowExceptionForMultiArchCopy( 11511 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 11512 11513 if (abi64 >= 0) { 11514 // Shared library native libs should be in the APK zip aligned 11515 if (extractLibs && pkg.isLibrary()) { 11516 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 11517 "Shared library native lib extraction not supported"); 11518 } 11519 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 11520 } 11521 11522 if (abi32 >= 0) { 11523 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 11524 if (abi64 >= 0) { 11525 if (pkg.use32bitAbi) { 11526 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 11527 pkg.applicationInfo.primaryCpuAbi = abi; 11528 } else { 11529 pkg.applicationInfo.secondaryCpuAbi = abi; 11530 } 11531 } else { 11532 pkg.applicationInfo.primaryCpuAbi = abi; 11533 } 11534 } 11535 } else { 11536 String[] abiList = (cpuAbiOverride != null) ? 11537 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 11538 11539 // Enable gross and lame hacks for apps that are built with old 11540 // SDK tools. We must scan their APKs for renderscript bitcode and 11541 // not launch them if it's present. Don't bother checking on devices 11542 // that don't have 64 bit support. 11543 boolean needsRenderScriptOverride = false; 11544 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 11545 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 11546 abiList = Build.SUPPORTED_32_BIT_ABIS; 11547 needsRenderScriptOverride = true; 11548 } 11549 11550 final int copyRet; 11551 if (extractLibs) { 11552 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 11553 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 11554 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 11555 } else { 11556 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 11557 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 11558 } 11559 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11560 11561 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 11562 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 11563 "Error unpackaging native libs for app, errorCode=" + copyRet); 11564 } 11565 11566 if (copyRet >= 0) { 11567 // Shared libraries that have native libs must be multi-architecture 11568 if (pkg.isLibrary()) { 11569 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 11570 "Shared library with native libs must be multiarch"); 11571 } 11572 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 11573 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 11574 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 11575 } else if (needsRenderScriptOverride) { 11576 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 11577 } 11578 } 11579 } catch (IOException ioe) { 11580 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 11581 } finally { 11582 IoUtils.closeQuietly(handle); 11583 } 11584 11585 // Now that we've calculated the ABIs and determined if it's an internal app, 11586 // we will go ahead and populate the nativeLibraryPath. 11587 setNativeLibraryPaths(pkg, appLib32InstallDir); 11588 } 11589 11590 /** 11591 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 11592 * i.e, so that all packages can be run inside a single process if required. 11593 * 11594 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 11595 * this function will either try and make the ABI for all packages in {@code packagesForUser} 11596 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 11597 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 11598 * updating a package that belongs to a shared user. 11599 * 11600 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 11601 * adds unnecessary complexity. 11602 */ 11603 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 11604 PackageParser.Package scannedPackage) { 11605 String requiredInstructionSet = null; 11606 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 11607 requiredInstructionSet = VMRuntime.getInstructionSet( 11608 scannedPackage.applicationInfo.primaryCpuAbi); 11609 } 11610 11611 PackageSetting requirer = null; 11612 for (PackageSetting ps : packagesForUser) { 11613 // If packagesForUser contains scannedPackage, we skip it. This will happen 11614 // when scannedPackage is an update of an existing package. Without this check, 11615 // we will never be able to change the ABI of any package belonging to a shared 11616 // user, even if it's compatible with other packages. 11617 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 11618 if (ps.primaryCpuAbiString == null) { 11619 continue; 11620 } 11621 11622 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 11623 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 11624 // We have a mismatch between instruction sets (say arm vs arm64) warn about 11625 // this but there's not much we can do. 11626 String errorMessage = "Instruction set mismatch, " 11627 + ((requirer == null) ? "[caller]" : requirer) 11628 + " requires " + requiredInstructionSet + " whereas " + ps 11629 + " requires " + instructionSet; 11630 Slog.w(TAG, errorMessage); 11631 } 11632 11633 if (requiredInstructionSet == null) { 11634 requiredInstructionSet = instructionSet; 11635 requirer = ps; 11636 } 11637 } 11638 } 11639 11640 if (requiredInstructionSet != null) { 11641 String adjustedAbi; 11642 if (requirer != null) { 11643 // requirer != null implies that either scannedPackage was null or that scannedPackage 11644 // did not require an ABI, in which case we have to adjust scannedPackage to match 11645 // the ABI of the set (which is the same as requirer's ABI) 11646 adjustedAbi = requirer.primaryCpuAbiString; 11647 if (scannedPackage != null) { 11648 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 11649 } 11650 } else { 11651 // requirer == null implies that we're updating all ABIs in the set to 11652 // match scannedPackage. 11653 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 11654 } 11655 11656 for (PackageSetting ps : packagesForUser) { 11657 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 11658 if (ps.primaryCpuAbiString != null) { 11659 continue; 11660 } 11661 11662 ps.primaryCpuAbiString = adjustedAbi; 11663 if (ps.pkg != null && ps.pkg.applicationInfo != null && 11664 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 11665 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 11666 if (DEBUG_ABI_SELECTION) { 11667 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 11668 + " (requirer=" 11669 + (requirer != null ? requirer.pkg : "null") 11670 + ", scannedPackage=" 11671 + (scannedPackage != null ? scannedPackage : "null") 11672 + ")"); 11673 } 11674 try { 11675 mInstaller.rmdex(ps.codePathString, 11676 getDexCodeInstructionSet(getPreferredInstructionSet())); 11677 } catch (InstallerException ignored) { 11678 } 11679 } 11680 } 11681 } 11682 } 11683 } 11684 11685 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 11686 synchronized (mPackages) { 11687 mResolverReplaced = true; 11688 // Set up information for custom user intent resolution activity. 11689 mResolveActivity.applicationInfo = pkg.applicationInfo; 11690 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 11691 mResolveActivity.packageName = pkg.applicationInfo.packageName; 11692 mResolveActivity.processName = pkg.applicationInfo.packageName; 11693 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 11694 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 11695 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 11696 mResolveActivity.theme = 0; 11697 mResolveActivity.exported = true; 11698 mResolveActivity.enabled = true; 11699 mResolveInfo.activityInfo = mResolveActivity; 11700 mResolveInfo.priority = 0; 11701 mResolveInfo.preferredOrder = 0; 11702 mResolveInfo.match = 0; 11703 mResolveComponentName = mCustomResolverComponentName; 11704 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 11705 mResolveComponentName); 11706 } 11707 } 11708 11709 private void setUpInstantAppInstallerActivityLP(ActivityInfo installerActivity) { 11710 if (installerActivity == null) { 11711 if (DEBUG_EPHEMERAL) { 11712 Slog.d(TAG, "Clear ephemeral installer activity"); 11713 } 11714 mInstantAppInstallerActivity = null; 11715 return; 11716 } 11717 11718 if (DEBUG_EPHEMERAL) { 11719 Slog.d(TAG, "Set ephemeral installer activity: " 11720 + installerActivity.getComponentName()); 11721 } 11722 // Set up information for ephemeral installer activity 11723 mInstantAppInstallerActivity = installerActivity; 11724 mInstantAppInstallerActivity.flags |= ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS 11725 | ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 11726 mInstantAppInstallerActivity.exported = true; 11727 mInstantAppInstallerActivity.enabled = true; 11728 mInstantAppInstallerInfo.activityInfo = mInstantAppInstallerActivity; 11729 mInstantAppInstallerInfo.priority = 0; 11730 mInstantAppInstallerInfo.preferredOrder = 1; 11731 mInstantAppInstallerInfo.isDefault = true; 11732 mInstantAppInstallerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 11733 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 11734 } 11735 11736 private static String calculateBundledApkRoot(final String codePathString) { 11737 final File codePath = new File(codePathString); 11738 final File codeRoot; 11739 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 11740 codeRoot = Environment.getRootDirectory(); 11741 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 11742 codeRoot = Environment.getOemDirectory(); 11743 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 11744 codeRoot = Environment.getVendorDirectory(); 11745 } else { 11746 // Unrecognized code path; take its top real segment as the apk root: 11747 // e.g. /something/app/blah.apk => /something 11748 try { 11749 File f = codePath.getCanonicalFile(); 11750 File parent = f.getParentFile(); // non-null because codePath is a file 11751 File tmp; 11752 while ((tmp = parent.getParentFile()) != null) { 11753 f = parent; 11754 parent = tmp; 11755 } 11756 codeRoot = f; 11757 Slog.w(TAG, "Unrecognized code path " 11758 + codePath + " - using " + codeRoot); 11759 } catch (IOException e) { 11760 // Can't canonicalize the code path -- shenanigans? 11761 Slog.w(TAG, "Can't canonicalize code path " + codePath); 11762 return Environment.getRootDirectory().getPath(); 11763 } 11764 } 11765 return codeRoot.getPath(); 11766 } 11767 11768 /** 11769 * Derive and set the location of native libraries for the given package, 11770 * which varies depending on where and how the package was installed. 11771 */ 11772 private static void setNativeLibraryPaths(PackageParser.Package pkg, File appLib32InstallDir) { 11773 final ApplicationInfo info = pkg.applicationInfo; 11774 final String codePath = pkg.codePath; 11775 final File codeFile = new File(codePath); 11776 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 11777 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 11778 11779 info.nativeLibraryRootDir = null; 11780 info.nativeLibraryRootRequiresIsa = false; 11781 info.nativeLibraryDir = null; 11782 info.secondaryNativeLibraryDir = null; 11783 11784 if (isApkFile(codeFile)) { 11785 // Monolithic install 11786 if (bundledApp) { 11787 // If "/system/lib64/apkname" exists, assume that is the per-package 11788 // native library directory to use; otherwise use "/system/lib/apkname". 11789 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 11790 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 11791 getPrimaryInstructionSet(info)); 11792 11793 // This is a bundled system app so choose the path based on the ABI. 11794 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 11795 // is just the default path. 11796 final String apkName = deriveCodePathName(codePath); 11797 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 11798 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 11799 apkName).getAbsolutePath(); 11800 11801 if (info.secondaryCpuAbi != null) { 11802 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 11803 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 11804 secondaryLibDir, apkName).getAbsolutePath(); 11805 } 11806 } else if (asecApp) { 11807 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 11808 .getAbsolutePath(); 11809 } else { 11810 final String apkName = deriveCodePathName(codePath); 11811 info.nativeLibraryRootDir = new File(appLib32InstallDir, apkName) 11812 .getAbsolutePath(); 11813 } 11814 11815 info.nativeLibraryRootRequiresIsa = false; 11816 info.nativeLibraryDir = info.nativeLibraryRootDir; 11817 } else { 11818 // Cluster install 11819 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 11820 info.nativeLibraryRootRequiresIsa = true; 11821 11822 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 11823 getPrimaryInstructionSet(info)).getAbsolutePath(); 11824 11825 if (info.secondaryCpuAbi != null) { 11826 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 11827 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 11828 } 11829 } 11830 } 11831 11832 /** 11833 * Calculate the abis and roots for a bundled app. These can uniquely 11834 * be determined from the contents of the system partition, i.e whether 11835 * it contains 64 or 32 bit shared libraries etc. We do not validate any 11836 * of this information, and instead assume that the system was built 11837 * sensibly. 11838 */ 11839 private static void setBundledAppAbisAndRoots(PackageParser.Package pkg, 11840 PackageSetting pkgSetting) { 11841 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 11842 11843 // If "/system/lib64/apkname" exists, assume that is the per-package 11844 // native library directory to use; otherwise use "/system/lib/apkname". 11845 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 11846 setBundledAppAbi(pkg, apkRoot, apkName); 11847 // pkgSetting might be null during rescan following uninstall of updates 11848 // to a bundled app, so accommodate that possibility. The settings in 11849 // that case will be established later from the parsed package. 11850 // 11851 // If the settings aren't null, sync them up with what we've just derived. 11852 // note that apkRoot isn't stored in the package settings. 11853 if (pkgSetting != null) { 11854 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 11855 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 11856 } 11857 } 11858 11859 /** 11860 * Deduces the ABI of a bundled app and sets the relevant fields on the 11861 * parsed pkg object. 11862 * 11863 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 11864 * under which system libraries are installed. 11865 * @param apkName the name of the installed package. 11866 */ 11867 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 11868 final File codeFile = new File(pkg.codePath); 11869 11870 final boolean has64BitLibs; 11871 final boolean has32BitLibs; 11872 if (isApkFile(codeFile)) { 11873 // Monolithic install 11874 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 11875 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 11876 } else { 11877 // Cluster install 11878 final File rootDir = new File(codeFile, LIB_DIR_NAME); 11879 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 11880 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 11881 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 11882 has64BitLibs = (new File(rootDir, isa)).exists(); 11883 } else { 11884 has64BitLibs = false; 11885 } 11886 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 11887 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 11888 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 11889 has32BitLibs = (new File(rootDir, isa)).exists(); 11890 } else { 11891 has32BitLibs = false; 11892 } 11893 } 11894 11895 if (has64BitLibs && !has32BitLibs) { 11896 // The package has 64 bit libs, but not 32 bit libs. Its primary 11897 // ABI should be 64 bit. We can safely assume here that the bundled 11898 // native libraries correspond to the most preferred ABI in the list. 11899 11900 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 11901 pkg.applicationInfo.secondaryCpuAbi = null; 11902 } else if (has32BitLibs && !has64BitLibs) { 11903 // The package has 32 bit libs but not 64 bit libs. Its primary 11904 // ABI should be 32 bit. 11905 11906 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 11907 pkg.applicationInfo.secondaryCpuAbi = null; 11908 } else if (has32BitLibs && has64BitLibs) { 11909 // The application has both 64 and 32 bit bundled libraries. We check 11910 // here that the app declares multiArch support, and warn if it doesn't. 11911 // 11912 // We will be lenient here and record both ABIs. The primary will be the 11913 // ABI that's higher on the list, i.e, a device that's configured to prefer 11914 // 64 bit apps will see a 64 bit primary ABI, 11915 11916 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 11917 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 11918 } 11919 11920 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 11921 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 11922 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 11923 } else { 11924 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 11925 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 11926 } 11927 } else { 11928 pkg.applicationInfo.primaryCpuAbi = null; 11929 pkg.applicationInfo.secondaryCpuAbi = null; 11930 } 11931 } 11932 11933 private void killApplication(String pkgName, int appId, String reason) { 11934 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 11935 } 11936 11937 private void killApplication(String pkgName, int appId, int userId, String reason) { 11938 // Request the ActivityManager to kill the process(only for existing packages) 11939 // so that we do not end up in a confused state while the user is still using the older 11940 // version of the application while the new one gets installed. 11941 final long token = Binder.clearCallingIdentity(); 11942 try { 11943 IActivityManager am = ActivityManager.getService(); 11944 if (am != null) { 11945 try { 11946 am.killApplication(pkgName, appId, userId, reason); 11947 } catch (RemoteException e) { 11948 } 11949 } 11950 } finally { 11951 Binder.restoreCallingIdentity(token); 11952 } 11953 } 11954 11955 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 11956 // Remove the parent package setting 11957 PackageSetting ps = (PackageSetting) pkg.mExtras; 11958 if (ps != null) { 11959 removePackageLI(ps, chatty); 11960 } 11961 // Remove the child package setting 11962 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 11963 for (int i = 0; i < childCount; i++) { 11964 PackageParser.Package childPkg = pkg.childPackages.get(i); 11965 ps = (PackageSetting) childPkg.mExtras; 11966 if (ps != null) { 11967 removePackageLI(ps, chatty); 11968 } 11969 } 11970 } 11971 11972 void removePackageLI(PackageSetting ps, boolean chatty) { 11973 if (DEBUG_INSTALL) { 11974 if (chatty) 11975 Log.d(TAG, "Removing package " + ps.name); 11976 } 11977 11978 // writer 11979 synchronized (mPackages) { 11980 mPackages.remove(ps.name); 11981 final PackageParser.Package pkg = ps.pkg; 11982 if (pkg != null) { 11983 cleanPackageDataStructuresLILPw(pkg, chatty); 11984 } 11985 } 11986 } 11987 11988 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 11989 if (DEBUG_INSTALL) { 11990 if (chatty) 11991 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 11992 } 11993 11994 // writer 11995 synchronized (mPackages) { 11996 // Remove the parent package 11997 mPackages.remove(pkg.applicationInfo.packageName); 11998 cleanPackageDataStructuresLILPw(pkg, chatty); 11999 12000 // Remove the child packages 12001 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 12002 for (int i = 0; i < childCount; i++) { 12003 PackageParser.Package childPkg = pkg.childPackages.get(i); 12004 mPackages.remove(childPkg.applicationInfo.packageName); 12005 cleanPackageDataStructuresLILPw(childPkg, chatty); 12006 } 12007 } 12008 } 12009 12010 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 12011 int N = pkg.providers.size(); 12012 StringBuilder r = null; 12013 int i; 12014 for (i=0; i<N; i++) { 12015 PackageParser.Provider p = pkg.providers.get(i); 12016 mProviders.removeProvider(p); 12017 if (p.info.authority == null) { 12018 12019 /* There was another ContentProvider with this authority when 12020 * this app was installed so this authority is null, 12021 * Ignore it as we don't have to unregister the provider. 12022 */ 12023 continue; 12024 } 12025 String names[] = p.info.authority.split(";"); 12026 for (int j = 0; j < names.length; j++) { 12027 if (mProvidersByAuthority.get(names[j]) == p) { 12028 mProvidersByAuthority.remove(names[j]); 12029 if (DEBUG_REMOVE) { 12030 if (chatty) 12031 Log.d(TAG, "Unregistered content provider: " + names[j] 12032 + ", className = " + p.info.name + ", isSyncable = " 12033 + p.info.isSyncable); 12034 } 12035 } 12036 } 12037 if (DEBUG_REMOVE && chatty) { 12038 if (r == null) { 12039 r = new StringBuilder(256); 12040 } else { 12041 r.append(' '); 12042 } 12043 r.append(p.info.name); 12044 } 12045 } 12046 if (r != null) { 12047 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 12048 } 12049 12050 N = pkg.services.size(); 12051 r = null; 12052 for (i=0; i<N; i++) { 12053 PackageParser.Service s = pkg.services.get(i); 12054 mServices.removeService(s); 12055 if (chatty) { 12056 if (r == null) { 12057 r = new StringBuilder(256); 12058 } else { 12059 r.append(' '); 12060 } 12061 r.append(s.info.name); 12062 } 12063 } 12064 if (r != null) { 12065 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 12066 } 12067 12068 N = pkg.receivers.size(); 12069 r = null; 12070 for (i=0; i<N; i++) { 12071 PackageParser.Activity a = pkg.receivers.get(i); 12072 mReceivers.removeActivity(a, "receiver"); 12073 if (DEBUG_REMOVE && chatty) { 12074 if (r == null) { 12075 r = new StringBuilder(256); 12076 } else { 12077 r.append(' '); 12078 } 12079 r.append(a.info.name); 12080 } 12081 } 12082 if (r != null) { 12083 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 12084 } 12085 12086 N = pkg.activities.size(); 12087 r = null; 12088 for (i=0; i<N; i++) { 12089 PackageParser.Activity a = pkg.activities.get(i); 12090 mActivities.removeActivity(a, "activity"); 12091 if (DEBUG_REMOVE && chatty) { 12092 if (r == null) { 12093 r = new StringBuilder(256); 12094 } else { 12095 r.append(' '); 12096 } 12097 r.append(a.info.name); 12098 } 12099 } 12100 if (r != null) { 12101 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 12102 } 12103 12104 N = pkg.permissions.size(); 12105 r = null; 12106 for (i=0; i<N; i++) { 12107 PackageParser.Permission p = pkg.permissions.get(i); 12108 BasePermission bp = mSettings.mPermissions.get(p.info.name); 12109 if (bp == null) { 12110 bp = mSettings.mPermissionTrees.get(p.info.name); 12111 } 12112 if (bp != null && bp.perm == p) { 12113 bp.perm = null; 12114 if (DEBUG_REMOVE && chatty) { 12115 if (r == null) { 12116 r = new StringBuilder(256); 12117 } else { 12118 r.append(' '); 12119 } 12120 r.append(p.info.name); 12121 } 12122 } 12123 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 12124 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 12125 if (appOpPkgs != null) { 12126 appOpPkgs.remove(pkg.packageName); 12127 } 12128 } 12129 } 12130 if (r != null) { 12131 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 12132 } 12133 12134 N = pkg.requestedPermissions.size(); 12135 r = null; 12136 for (i=0; i<N; i++) { 12137 String perm = pkg.requestedPermissions.get(i); 12138 BasePermission bp = mSettings.mPermissions.get(perm); 12139 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 12140 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 12141 if (appOpPkgs != null) { 12142 appOpPkgs.remove(pkg.packageName); 12143 if (appOpPkgs.isEmpty()) { 12144 mAppOpPermissionPackages.remove(perm); 12145 } 12146 } 12147 } 12148 } 12149 if (r != null) { 12150 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 12151 } 12152 12153 N = pkg.instrumentation.size(); 12154 r = null; 12155 for (i=0; i<N; i++) { 12156 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 12157 mInstrumentation.remove(a.getComponentName()); 12158 if (DEBUG_REMOVE && chatty) { 12159 if (r == null) { 12160 r = new StringBuilder(256); 12161 } else { 12162 r.append(' '); 12163 } 12164 r.append(a.info.name); 12165 } 12166 } 12167 if (r != null) { 12168 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 12169 } 12170 12171 r = null; 12172 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 12173 // Only system apps can hold shared libraries. 12174 if (pkg.libraryNames != null) { 12175 for (i = 0; i < pkg.libraryNames.size(); i++) { 12176 String name = pkg.libraryNames.get(i); 12177 if (removeSharedLibraryLPw(name, 0)) { 12178 if (DEBUG_REMOVE && chatty) { 12179 if (r == null) { 12180 r = new StringBuilder(256); 12181 } else { 12182 r.append(' '); 12183 } 12184 r.append(name); 12185 } 12186 } 12187 } 12188 } 12189 } 12190 12191 r = null; 12192 12193 // Any package can hold static shared libraries. 12194 if (pkg.staticSharedLibName != null) { 12195 if (removeSharedLibraryLPw(pkg.staticSharedLibName, pkg.staticSharedLibVersion)) { 12196 if (DEBUG_REMOVE && chatty) { 12197 if (r == null) { 12198 r = new StringBuilder(256); 12199 } else { 12200 r.append(' '); 12201 } 12202 r.append(pkg.staticSharedLibName); 12203 } 12204 } 12205 } 12206 12207 if (r != null) { 12208 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 12209 } 12210 } 12211 12212 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 12213 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 12214 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 12215 return true; 12216 } 12217 } 12218 return false; 12219 } 12220 12221 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 12222 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 12223 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 12224 12225 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 12226 // Update the parent permissions 12227 updatePermissionsLPw(pkg.packageName, pkg, flags); 12228 // Update the child permissions 12229 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 12230 for (int i = 0; i < childCount; i++) { 12231 PackageParser.Package childPkg = pkg.childPackages.get(i); 12232 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 12233 } 12234 } 12235 12236 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 12237 int flags) { 12238 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 12239 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 12240 } 12241 12242 private void updatePermissionsLPw(String changingPkg, 12243 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 12244 // Make sure there are no dangling permission trees. 12245 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 12246 while (it.hasNext()) { 12247 final BasePermission bp = it.next(); 12248 if (bp.packageSetting == null) { 12249 // We may not yet have parsed the package, so just see if 12250 // we still know about its settings. 12251 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 12252 } 12253 if (bp.packageSetting == null) { 12254 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 12255 + " from package " + bp.sourcePackage); 12256 it.remove(); 12257 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 12258 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 12259 Slog.i(TAG, "Removing old permission tree: " + bp.name 12260 + " from package " + bp.sourcePackage); 12261 flags |= UPDATE_PERMISSIONS_ALL; 12262 it.remove(); 12263 } 12264 } 12265 } 12266 12267 // Make sure all dynamic permissions have been assigned to a package, 12268 // and make sure there are no dangling permissions. 12269 it = mSettings.mPermissions.values().iterator(); 12270 while (it.hasNext()) { 12271 final BasePermission bp = it.next(); 12272 if (bp.type == BasePermission.TYPE_DYNAMIC) { 12273 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 12274 + bp.name + " pkg=" + bp.sourcePackage 12275 + " info=" + bp.pendingInfo); 12276 if (bp.packageSetting == null && bp.pendingInfo != null) { 12277 final BasePermission tree = findPermissionTreeLP(bp.name); 12278 if (tree != null && tree.perm != null) { 12279 bp.packageSetting = tree.packageSetting; 12280 bp.perm = new PackageParser.Permission(tree.perm.owner, 12281 new PermissionInfo(bp.pendingInfo)); 12282 bp.perm.info.packageName = tree.perm.info.packageName; 12283 bp.perm.info.name = bp.name; 12284 bp.uid = tree.uid; 12285 } 12286 } 12287 } 12288 if (bp.packageSetting == null) { 12289 // We may not yet have parsed the package, so just see if 12290 // we still know about its settings. 12291 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 12292 } 12293 if (bp.packageSetting == null) { 12294 Slog.w(TAG, "Removing dangling permission: " + bp.name 12295 + " from package " + bp.sourcePackage); 12296 it.remove(); 12297 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 12298 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 12299 Slog.i(TAG, "Removing old permission: " + bp.name 12300 + " from package " + bp.sourcePackage); 12301 flags |= UPDATE_PERMISSIONS_ALL; 12302 it.remove(); 12303 } 12304 } 12305 } 12306 12307 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 12308 // Now update the permissions for all packages, in particular 12309 // replace the granted permissions of the system packages. 12310 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 12311 for (PackageParser.Package pkg : mPackages.values()) { 12312 if (pkg != pkgInfo) { 12313 // Only replace for packages on requested volume 12314 final String volumeUuid = getVolumeUuidForPackage(pkg); 12315 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 12316 && Objects.equals(replaceVolumeUuid, volumeUuid); 12317 grantPermissionsLPw(pkg, replace, changingPkg); 12318 } 12319 } 12320 } 12321 12322 if (pkgInfo != null) { 12323 // Only replace for packages on requested volume 12324 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 12325 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 12326 && Objects.equals(replaceVolumeUuid, volumeUuid); 12327 grantPermissionsLPw(pkgInfo, replace, changingPkg); 12328 } 12329 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12330 } 12331 12332 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 12333 String packageOfInterest) { 12334 // IMPORTANT: There are two types of permissions: install and runtime. 12335 // Install time permissions are granted when the app is installed to 12336 // all device users and users added in the future. Runtime permissions 12337 // are granted at runtime explicitly to specific users. Normal and signature 12338 // protected permissions are install time permissions. Dangerous permissions 12339 // are install permissions if the app's target SDK is Lollipop MR1 or older, 12340 // otherwise they are runtime permissions. This function does not manage 12341 // runtime permissions except for the case an app targeting Lollipop MR1 12342 // being upgraded to target a newer SDK, in which case dangerous permissions 12343 // are transformed from install time to runtime ones. 12344 12345 final PackageSetting ps = (PackageSetting) pkg.mExtras; 12346 if (ps == null) { 12347 return; 12348 } 12349 12350 PermissionsState permissionsState = ps.getPermissionsState(); 12351 PermissionsState origPermissions = permissionsState; 12352 12353 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 12354 12355 boolean runtimePermissionsRevoked = false; 12356 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 12357 12358 boolean changedInstallPermission = false; 12359 12360 if (replace) { 12361 ps.installPermissionsFixed = false; 12362 if (!ps.isSharedUser()) { 12363 origPermissions = new PermissionsState(permissionsState); 12364 permissionsState.reset(); 12365 } else { 12366 // We need to know only about runtime permission changes since the 12367 // calling code always writes the install permissions state but 12368 // the runtime ones are written only if changed. The only cases of 12369 // changed runtime permissions here are promotion of an install to 12370 // runtime and revocation of a runtime from a shared user. 12371 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 12372 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 12373 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 12374 runtimePermissionsRevoked = true; 12375 } 12376 } 12377 } 12378 12379 permissionsState.setGlobalGids(mGlobalGids); 12380 12381 final int N = pkg.requestedPermissions.size(); 12382 for (int i=0; i<N; i++) { 12383 final String name = pkg.requestedPermissions.get(i); 12384 final BasePermission bp = mSettings.mPermissions.get(name); 12385 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 12386 >= Build.VERSION_CODES.M; 12387 12388 if (DEBUG_INSTALL) { 12389 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 12390 } 12391 12392 if (bp == null || bp.packageSetting == null) { 12393 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 12394 if (DEBUG_PERMISSIONS) { 12395 Slog.i(TAG, "Unknown permission " + name 12396 + " in package " + pkg.packageName); 12397 } 12398 } 12399 continue; 12400 } 12401 12402 12403 // Limit ephemeral apps to ephemeral allowed permissions. 12404 if (pkg.applicationInfo.isInstantApp() && !bp.isInstant()) { 12405 if (DEBUG_PERMISSIONS) { 12406 Log.i(TAG, "Denying non-ephemeral permission " + bp.name + " for package " 12407 + pkg.packageName); 12408 } 12409 continue; 12410 } 12411 12412 if (bp.isRuntimeOnly() && !appSupportsRuntimePermissions) { 12413 if (DEBUG_PERMISSIONS) { 12414 Log.i(TAG, "Denying runtime-only permission " + bp.name + " for package " 12415 + pkg.packageName); 12416 } 12417 continue; 12418 } 12419 12420 final String perm = bp.name; 12421 boolean allowedSig = false; 12422 int grant = GRANT_DENIED; 12423 12424 // Keep track of app op permissions. 12425 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 12426 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 12427 if (pkgs == null) { 12428 pkgs = new ArraySet<>(); 12429 mAppOpPermissionPackages.put(bp.name, pkgs); 12430 } 12431 pkgs.add(pkg.packageName); 12432 } 12433 12434 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 12435 switch (level) { 12436 case PermissionInfo.PROTECTION_NORMAL: { 12437 // For all apps normal permissions are install time ones. 12438 grant = GRANT_INSTALL; 12439 } break; 12440 12441 case PermissionInfo.PROTECTION_DANGEROUS: { 12442 // If a permission review is required for legacy apps we represent 12443 // their permissions as always granted runtime ones since we need 12444 // to keep the review required permission flag per user while an 12445 // install permission's state is shared across all users. 12446 if (!appSupportsRuntimePermissions && !mPermissionReviewRequired) { 12447 // For legacy apps dangerous permissions are install time ones. 12448 grant = GRANT_INSTALL; 12449 } else if (origPermissions.hasInstallPermission(bp.name)) { 12450 // For legacy apps that became modern, install becomes runtime. 12451 grant = GRANT_UPGRADE; 12452 } else if (mPromoteSystemApps 12453 && isSystemApp(ps) 12454 && mExistingSystemPackages.contains(ps.name)) { 12455 // For legacy system apps, install becomes runtime. 12456 // We cannot check hasInstallPermission() for system apps since those 12457 // permissions were granted implicitly and not persisted pre-M. 12458 grant = GRANT_UPGRADE; 12459 } else { 12460 // For modern apps keep runtime permissions unchanged. 12461 grant = GRANT_RUNTIME; 12462 } 12463 } break; 12464 12465 case PermissionInfo.PROTECTION_SIGNATURE: { 12466 // For all apps signature permissions are install time ones. 12467 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 12468 if (allowedSig) { 12469 grant = GRANT_INSTALL; 12470 } 12471 } break; 12472 } 12473 12474 if (DEBUG_PERMISSIONS) { 12475 Slog.i(TAG, "Granting permission " + perm + " to package " + pkg.packageName); 12476 } 12477 12478 if (grant != GRANT_DENIED) { 12479 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 12480 // If this is an existing, non-system package, then 12481 // we can't add any new permissions to it. 12482 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 12483 // Except... if this is a permission that was added 12484 // to the platform (note: need to only do this when 12485 // updating the platform). 12486 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 12487 grant = GRANT_DENIED; 12488 } 12489 } 12490 } 12491 12492 switch (grant) { 12493 case GRANT_INSTALL: { 12494 // Revoke this as runtime permission to handle the case of 12495 // a runtime permission being downgraded to an install one. 12496 // Also in permission review mode we keep dangerous permissions 12497 // for legacy apps 12498 for (int userId : UserManagerService.getInstance().getUserIds()) { 12499 if (origPermissions.getRuntimePermissionState( 12500 bp.name, userId) != null) { 12501 // Revoke the runtime permission and clear the flags. 12502 origPermissions.revokeRuntimePermission(bp, userId); 12503 origPermissions.updatePermissionFlags(bp, userId, 12504 PackageManager.MASK_PERMISSION_FLAGS, 0); 12505 // If we revoked a permission permission, we have to write. 12506 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 12507 changedRuntimePermissionUserIds, userId); 12508 } 12509 } 12510 // Grant an install permission. 12511 if (permissionsState.grantInstallPermission(bp) != 12512 PermissionsState.PERMISSION_OPERATION_FAILURE) { 12513 changedInstallPermission = true; 12514 } 12515 } break; 12516 12517 case GRANT_RUNTIME: { 12518 // Grant previously granted runtime permissions. 12519 for (int userId : UserManagerService.getInstance().getUserIds()) { 12520 PermissionState permissionState = origPermissions 12521 .getRuntimePermissionState(bp.name, userId); 12522 int flags = permissionState != null 12523 ? permissionState.getFlags() : 0; 12524 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 12525 // Don't propagate the permission in a permission review mode if 12526 // the former was revoked, i.e. marked to not propagate on upgrade. 12527 // Note that in a permission review mode install permissions are 12528 // represented as constantly granted runtime ones since we need to 12529 // keep a per user state associated with the permission. Also the 12530 // revoke on upgrade flag is no longer applicable and is reset. 12531 final boolean revokeOnUpgrade = (flags & PackageManager 12532 .FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 12533 if (revokeOnUpgrade) { 12534 flags &= ~PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 12535 // Since we changed the flags, we have to write. 12536 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 12537 changedRuntimePermissionUserIds, userId); 12538 } 12539 if (!mPermissionReviewRequired || !revokeOnUpgrade) { 12540 if (permissionsState.grantRuntimePermission(bp, userId) == 12541 PermissionsState.PERMISSION_OPERATION_FAILURE) { 12542 // If we cannot put the permission as it was, 12543 // we have to write. 12544 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 12545 changedRuntimePermissionUserIds, userId); 12546 } 12547 } 12548 12549 // If the app supports runtime permissions no need for a review. 12550 if (mPermissionReviewRequired 12551 && appSupportsRuntimePermissions 12552 && (flags & PackageManager 12553 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 12554 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 12555 // Since we changed the flags, we have to write. 12556 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 12557 changedRuntimePermissionUserIds, userId); 12558 } 12559 } else if (mPermissionReviewRequired 12560 && !appSupportsRuntimePermissions) { 12561 // For legacy apps that need a permission review, every new 12562 // runtime permission is granted but it is pending a review. 12563 // We also need to review only platform defined runtime 12564 // permissions as these are the only ones the platform knows 12565 // how to disable the API to simulate revocation as legacy 12566 // apps don't expect to run with revoked permissions. 12567 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 12568 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 12569 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 12570 // We changed the flags, hence have to write. 12571 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 12572 changedRuntimePermissionUserIds, userId); 12573 } 12574 } 12575 if (permissionsState.grantRuntimePermission(bp, userId) 12576 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 12577 // We changed the permission, hence have to write. 12578 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 12579 changedRuntimePermissionUserIds, userId); 12580 } 12581 } 12582 // Propagate the permission flags. 12583 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 12584 } 12585 } break; 12586 12587 case GRANT_UPGRADE: { 12588 // Grant runtime permissions for a previously held install permission. 12589 PermissionState permissionState = origPermissions 12590 .getInstallPermissionState(bp.name); 12591 final int flags = permissionState != null ? permissionState.getFlags() : 0; 12592 12593 if (origPermissions.revokeInstallPermission(bp) 12594 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 12595 // We will be transferring the permission flags, so clear them. 12596 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 12597 PackageManager.MASK_PERMISSION_FLAGS, 0); 12598 changedInstallPermission = true; 12599 } 12600 12601 // If the permission is not to be promoted to runtime we ignore it and 12602 // also its other flags as they are not applicable to install permissions. 12603 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 12604 for (int userId : currentUserIds) { 12605 if (permissionsState.grantRuntimePermission(bp, userId) != 12606 PermissionsState.PERMISSION_OPERATION_FAILURE) { 12607 // Transfer the permission flags. 12608 permissionsState.updatePermissionFlags(bp, userId, 12609 flags, flags); 12610 // If we granted the permission, we have to write. 12611 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 12612 changedRuntimePermissionUserIds, userId); 12613 } 12614 } 12615 } 12616 } break; 12617 12618 default: { 12619 if (packageOfInterest == null 12620 || packageOfInterest.equals(pkg.packageName)) { 12621 if (DEBUG_PERMISSIONS) { 12622 Slog.i(TAG, "Not granting permission " + perm 12623 + " to package " + pkg.packageName 12624 + " because it was previously installed without"); 12625 } 12626 } 12627 } break; 12628 } 12629 } else { 12630 if (permissionsState.revokeInstallPermission(bp) != 12631 PermissionsState.PERMISSION_OPERATION_FAILURE) { 12632 // Also drop the permission flags. 12633 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 12634 PackageManager.MASK_PERMISSION_FLAGS, 0); 12635 changedInstallPermission = true; 12636 Slog.i(TAG, "Un-granting permission " + perm 12637 + " from package " + pkg.packageName 12638 + " (protectionLevel=" + bp.protectionLevel 12639 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 12640 + ")"); 12641 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 12642 // Don't print warning for app op permissions, since it is fine for them 12643 // not to be granted, there is a UI for the user to decide. 12644 if (DEBUG_PERMISSIONS 12645 && (packageOfInterest == null 12646 || packageOfInterest.equals(pkg.packageName))) { 12647 Slog.i(TAG, "Not granting permission " + perm 12648 + " to package " + pkg.packageName 12649 + " (protectionLevel=" + bp.protectionLevel 12650 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 12651 + ")"); 12652 } 12653 } 12654 } 12655 } 12656 12657 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 12658 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 12659 // This is the first that we have heard about this package, so the 12660 // permissions we have now selected are fixed until explicitly 12661 // changed. 12662 ps.installPermissionsFixed = true; 12663 } 12664 12665 // Persist the runtime permissions state for users with changes. If permissions 12666 // were revoked because no app in the shared user declares them we have to 12667 // write synchronously to avoid losing runtime permissions state. 12668 for (int userId : changedRuntimePermissionUserIds) { 12669 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 12670 } 12671 } 12672 12673 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 12674 boolean allowed = false; 12675 final int NP = PackageParser.NEW_PERMISSIONS.length; 12676 for (int ip=0; ip<NP; ip++) { 12677 final PackageParser.NewPermissionInfo npi 12678 = PackageParser.NEW_PERMISSIONS[ip]; 12679 if (npi.name.equals(perm) 12680 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 12681 allowed = true; 12682 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 12683 + pkg.packageName); 12684 break; 12685 } 12686 } 12687 return allowed; 12688 } 12689 12690 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 12691 BasePermission bp, PermissionsState origPermissions) { 12692 boolean privilegedPermission = (bp.protectionLevel 12693 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0; 12694 boolean privappPermissionsDisable = 12695 RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_DISABLE; 12696 boolean platformPermission = PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage); 12697 boolean platformPackage = PLATFORM_PACKAGE_NAME.equals(pkg.packageName); 12698 if (!privappPermissionsDisable && privilegedPermission && pkg.isPrivilegedApp() 12699 && !platformPackage && platformPermission) { 12700 ArraySet<String> wlPermissions = SystemConfig.getInstance() 12701 .getPrivAppPermissions(pkg.packageName); 12702 boolean whitelisted = wlPermissions != null && wlPermissions.contains(perm); 12703 if (!whitelisted) { 12704 Slog.w(TAG, "Privileged permission " + perm + " for package " 12705 + pkg.packageName + " - not in privapp-permissions whitelist"); 12706 // Only report violations for apps on system image 12707 if (!mSystemReady && !pkg.isUpdatedSystemApp()) { 12708 if (mPrivappPermissionsViolations == null) { 12709 mPrivappPermissionsViolations = new ArraySet<>(); 12710 } 12711 mPrivappPermissionsViolations.add(pkg.packageName + ": " + perm); 12712 } 12713 if (RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_ENFORCE) { 12714 return false; 12715 } 12716 } 12717 } 12718 boolean allowed = (compareSignatures( 12719 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 12720 == PackageManager.SIGNATURE_MATCH) 12721 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 12722 == PackageManager.SIGNATURE_MATCH); 12723 if (!allowed && privilegedPermission) { 12724 if (isSystemApp(pkg)) { 12725 // For updated system applications, a system permission 12726 // is granted only if it had been defined by the original application. 12727 if (pkg.isUpdatedSystemApp()) { 12728 final PackageSetting sysPs = mSettings 12729 .getDisabledSystemPkgLPr(pkg.packageName); 12730 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 12731 // If the original was granted this permission, we take 12732 // that grant decision as read and propagate it to the 12733 // update. 12734 if (sysPs.isPrivileged()) { 12735 allowed = true; 12736 } 12737 } else { 12738 // The system apk may have been updated with an older 12739 // version of the one on the data partition, but which 12740 // granted a new system permission that it didn't have 12741 // before. In this case we do want to allow the app to 12742 // now get the new permission if the ancestral apk is 12743 // privileged to get it. 12744 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 12745 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 12746 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 12747 allowed = true; 12748 break; 12749 } 12750 } 12751 } 12752 // Also if a privileged parent package on the system image or any of 12753 // its children requested a privileged permission, the updated child 12754 // packages can also get the permission. 12755 if (pkg.parentPackage != null) { 12756 final PackageSetting disabledSysParentPs = mSettings 12757 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 12758 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 12759 && disabledSysParentPs.isPrivileged()) { 12760 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 12761 allowed = true; 12762 } else if (disabledSysParentPs.pkg.childPackages != null) { 12763 final int count = disabledSysParentPs.pkg.childPackages.size(); 12764 for (int i = 0; i < count; i++) { 12765 PackageParser.Package disabledSysChildPkg = 12766 disabledSysParentPs.pkg.childPackages.get(i); 12767 if (isPackageRequestingPermission(disabledSysChildPkg, 12768 perm)) { 12769 allowed = true; 12770 break; 12771 } 12772 } 12773 } 12774 } 12775 } 12776 } 12777 } else { 12778 allowed = isPrivilegedApp(pkg); 12779 } 12780 } 12781 } 12782 if (!allowed) { 12783 if (!allowed && (bp.protectionLevel 12784 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 12785 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 12786 // If this was a previously normal/dangerous permission that got moved 12787 // to a system permission as part of the runtime permission redesign, then 12788 // we still want to blindly grant it to old apps. 12789 allowed = true; 12790 } 12791 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 12792 && pkg.packageName.equals(mRequiredInstallerPackage)) { 12793 // If this permission is to be granted to the system installer and 12794 // this app is an installer, then it gets the permission. 12795 allowed = true; 12796 } 12797 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 12798 && pkg.packageName.equals(mRequiredVerifierPackage)) { 12799 // If this permission is to be granted to the system verifier and 12800 // this app is a verifier, then it gets the permission. 12801 allowed = true; 12802 } 12803 if (!allowed && (bp.protectionLevel 12804 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 12805 && isSystemApp(pkg)) { 12806 // Any pre-installed system app is allowed to get this permission. 12807 allowed = true; 12808 } 12809 if (!allowed && (bp.protectionLevel 12810 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 12811 // For development permissions, a development permission 12812 // is granted only if it was already granted. 12813 allowed = origPermissions.hasInstallPermission(perm); 12814 } 12815 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 12816 && pkg.packageName.equals(mSetupWizardPackage)) { 12817 // If this permission is to be granted to the system setup wizard and 12818 // this app is a setup wizard, then it gets the permission. 12819 allowed = true; 12820 } 12821 } 12822 return allowed; 12823 } 12824 12825 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 12826 final int permCount = pkg.requestedPermissions.size(); 12827 for (int j = 0; j < permCount; j++) { 12828 String requestedPermission = pkg.requestedPermissions.get(j); 12829 if (permission.equals(requestedPermission)) { 12830 return true; 12831 } 12832 } 12833 return false; 12834 } 12835 12836 final class ActivityIntentResolver 12837 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 12838 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 12839 boolean defaultOnly, int userId) { 12840 if (!sUserManager.exists(userId)) return null; 12841 mFlags = (defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0); 12842 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 12843 } 12844 12845 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 12846 int userId) { 12847 if (!sUserManager.exists(userId)) return null; 12848 mFlags = flags; 12849 return super.queryIntent(intent, resolvedType, 12850 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 12851 userId); 12852 } 12853 12854 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 12855 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 12856 if (!sUserManager.exists(userId)) return null; 12857 if (packageActivities == null) { 12858 return null; 12859 } 12860 mFlags = flags; 12861 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 12862 final int N = packageActivities.size(); 12863 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 12864 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 12865 12866 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 12867 for (int i = 0; i < N; ++i) { 12868 intentFilters = packageActivities.get(i).intents; 12869 if (intentFilters != null && intentFilters.size() > 0) { 12870 PackageParser.ActivityIntentInfo[] array = 12871 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 12872 intentFilters.toArray(array); 12873 listCut.add(array); 12874 } 12875 } 12876 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 12877 } 12878 12879 /** 12880 * Finds a privileged activity that matches the specified activity names. 12881 */ 12882 private PackageParser.Activity findMatchingActivity( 12883 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 12884 for (PackageParser.Activity sysActivity : activityList) { 12885 if (sysActivity.info.name.equals(activityInfo.name)) { 12886 return sysActivity; 12887 } 12888 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 12889 return sysActivity; 12890 } 12891 if (sysActivity.info.targetActivity != null) { 12892 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 12893 return sysActivity; 12894 } 12895 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 12896 return sysActivity; 12897 } 12898 } 12899 } 12900 return null; 12901 } 12902 12903 public class IterGenerator<E> { 12904 public Iterator<E> generate(ActivityIntentInfo info) { 12905 return null; 12906 } 12907 } 12908 12909 public class ActionIterGenerator extends IterGenerator<String> { 12910 @Override 12911 public Iterator<String> generate(ActivityIntentInfo info) { 12912 return info.actionsIterator(); 12913 } 12914 } 12915 12916 public class CategoriesIterGenerator extends IterGenerator<String> { 12917 @Override 12918 public Iterator<String> generate(ActivityIntentInfo info) { 12919 return info.categoriesIterator(); 12920 } 12921 } 12922 12923 public class SchemesIterGenerator extends IterGenerator<String> { 12924 @Override 12925 public Iterator<String> generate(ActivityIntentInfo info) { 12926 return info.schemesIterator(); 12927 } 12928 } 12929 12930 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 12931 @Override 12932 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 12933 return info.authoritiesIterator(); 12934 } 12935 } 12936 12937 /** 12938 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 12939 * MODIFIED. Do not pass in a list that should not be changed. 12940 */ 12941 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 12942 IterGenerator<T> generator, Iterator<T> searchIterator) { 12943 // loop through the set of actions; every one must be found in the intent filter 12944 while (searchIterator.hasNext()) { 12945 // we must have at least one filter in the list to consider a match 12946 if (intentList.size() == 0) { 12947 break; 12948 } 12949 12950 final T searchAction = searchIterator.next(); 12951 12952 // loop through the set of intent filters 12953 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 12954 while (intentIter.hasNext()) { 12955 final ActivityIntentInfo intentInfo = intentIter.next(); 12956 boolean selectionFound = false; 12957 12958 // loop through the intent filter's selection criteria; at least one 12959 // of them must match the searched criteria 12960 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 12961 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 12962 final T intentSelection = intentSelectionIter.next(); 12963 if (intentSelection != null && intentSelection.equals(searchAction)) { 12964 selectionFound = true; 12965 break; 12966 } 12967 } 12968 12969 // the selection criteria wasn't found in this filter's set; this filter 12970 // is not a potential match 12971 if (!selectionFound) { 12972 intentIter.remove(); 12973 } 12974 } 12975 } 12976 } 12977 12978 private boolean isProtectedAction(ActivityIntentInfo filter) { 12979 final Iterator<String> actionsIter = filter.actionsIterator(); 12980 while (actionsIter != null && actionsIter.hasNext()) { 12981 final String filterAction = actionsIter.next(); 12982 if (PROTECTED_ACTIONS.contains(filterAction)) { 12983 return true; 12984 } 12985 } 12986 return false; 12987 } 12988 12989 /** 12990 * Adjusts the priority of the given intent filter according to policy. 12991 * <p> 12992 * <ul> 12993 * <li>The priority for non privileged applications is capped to '0'</li> 12994 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 12995 * <li>The priority for unbundled updates to privileged applications is capped to the 12996 * priority defined on the system partition</li> 12997 * </ul> 12998 * <p> 12999 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 13000 * allowed to obtain any priority on any action. 13001 */ 13002 private void adjustPriority( 13003 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 13004 // nothing to do; priority is fine as-is 13005 if (intent.getPriority() <= 0) { 13006 return; 13007 } 13008 13009 final ActivityInfo activityInfo = intent.activity.info; 13010 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 13011 13012 final boolean privilegedApp = 13013 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 13014 if (!privilegedApp) { 13015 // non-privileged applications can never define a priority >0 13016 if (DEBUG_FILTERS) { 13017 Slog.i(TAG, "Non-privileged app; cap priority to 0;" 13018 + " package: " + applicationInfo.packageName 13019 + " activity: " + intent.activity.className 13020 + " origPrio: " + intent.getPriority()); 13021 } 13022 intent.setPriority(0); 13023 return; 13024 } 13025 13026 if (systemActivities == null) { 13027 // the system package is not disabled; we're parsing the system partition 13028 if (isProtectedAction(intent)) { 13029 if (mDeferProtectedFilters) { 13030 // We can't deal with these just yet. No component should ever obtain a 13031 // >0 priority for a protected actions, with ONE exception -- the setup 13032 // wizard. The setup wizard, however, cannot be known until we're able to 13033 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 13034 // until all intent filters have been processed. Chicken, meet egg. 13035 // Let the filter temporarily have a high priority and rectify the 13036 // priorities after all system packages have been scanned. 13037 mProtectedFilters.add(intent); 13038 if (DEBUG_FILTERS) { 13039 Slog.i(TAG, "Protected action; save for later;" 13040 + " package: " + applicationInfo.packageName 13041 + " activity: " + intent.activity.className 13042 + " origPrio: " + intent.getPriority()); 13043 } 13044 return; 13045 } else { 13046 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 13047 Slog.i(TAG, "No setup wizard;" 13048 + " All protected intents capped to priority 0"); 13049 } 13050 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 13051 if (DEBUG_FILTERS) { 13052 Slog.i(TAG, "Found setup wizard;" 13053 + " allow priority " + intent.getPriority() + ";" 13054 + " package: " + intent.activity.info.packageName 13055 + " activity: " + intent.activity.className 13056 + " priority: " + intent.getPriority()); 13057 } 13058 // setup wizard gets whatever it wants 13059 return; 13060 } 13061 if (DEBUG_FILTERS) { 13062 Slog.i(TAG, "Protected action; cap priority to 0;" 13063 + " package: " + intent.activity.info.packageName 13064 + " activity: " + intent.activity.className 13065 + " origPrio: " + intent.getPriority()); 13066 } 13067 intent.setPriority(0); 13068 return; 13069 } 13070 } 13071 // privileged apps on the system image get whatever priority they request 13072 return; 13073 } 13074 13075 // privileged app unbundled update ... try to find the same activity 13076 final PackageParser.Activity foundActivity = 13077 findMatchingActivity(systemActivities, activityInfo); 13078 if (foundActivity == null) { 13079 // this is a new activity; it cannot obtain >0 priority 13080 if (DEBUG_FILTERS) { 13081 Slog.i(TAG, "New activity; cap priority to 0;" 13082 + " package: " + applicationInfo.packageName 13083 + " activity: " + intent.activity.className 13084 + " origPrio: " + intent.getPriority()); 13085 } 13086 intent.setPriority(0); 13087 return; 13088 } 13089 13090 // found activity, now check for filter equivalence 13091 13092 // a shallow copy is enough; we modify the list, not its contents 13093 final List<ActivityIntentInfo> intentListCopy = 13094 new ArrayList<>(foundActivity.intents); 13095 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 13096 13097 // find matching action subsets 13098 final Iterator<String> actionsIterator = intent.actionsIterator(); 13099 if (actionsIterator != null) { 13100 getIntentListSubset( 13101 intentListCopy, new ActionIterGenerator(), actionsIterator); 13102 if (intentListCopy.size() == 0) { 13103 // no more intents to match; we're not equivalent 13104 if (DEBUG_FILTERS) { 13105 Slog.i(TAG, "Mismatched action; cap priority to 0;" 13106 + " package: " + applicationInfo.packageName 13107 + " activity: " + intent.activity.className 13108 + " origPrio: " + intent.getPriority()); 13109 } 13110 intent.setPriority(0); 13111 return; 13112 } 13113 } 13114 13115 // find matching category subsets 13116 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 13117 if (categoriesIterator != null) { 13118 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 13119 categoriesIterator); 13120 if (intentListCopy.size() == 0) { 13121 // no more intents to match; we're not equivalent 13122 if (DEBUG_FILTERS) { 13123 Slog.i(TAG, "Mismatched category; cap priority to 0;" 13124 + " package: " + applicationInfo.packageName 13125 + " activity: " + intent.activity.className 13126 + " origPrio: " + intent.getPriority()); 13127 } 13128 intent.setPriority(0); 13129 return; 13130 } 13131 } 13132 13133 // find matching schemes subsets 13134 final Iterator<String> schemesIterator = intent.schemesIterator(); 13135 if (schemesIterator != null) { 13136 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 13137 schemesIterator); 13138 if (intentListCopy.size() == 0) { 13139 // no more intents to match; we're not equivalent 13140 if (DEBUG_FILTERS) { 13141 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 13142 + " package: " + applicationInfo.packageName 13143 + " activity: " + intent.activity.className 13144 + " origPrio: " + intent.getPriority()); 13145 } 13146 intent.setPriority(0); 13147 return; 13148 } 13149 } 13150 13151 // find matching authorities subsets 13152 final Iterator<IntentFilter.AuthorityEntry> 13153 authoritiesIterator = intent.authoritiesIterator(); 13154 if (authoritiesIterator != null) { 13155 getIntentListSubset(intentListCopy, 13156 new AuthoritiesIterGenerator(), 13157 authoritiesIterator); 13158 if (intentListCopy.size() == 0) { 13159 // no more intents to match; we're not equivalent 13160 if (DEBUG_FILTERS) { 13161 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 13162 + " package: " + applicationInfo.packageName 13163 + " activity: " + intent.activity.className 13164 + " origPrio: " + intent.getPriority()); 13165 } 13166 intent.setPriority(0); 13167 return; 13168 } 13169 } 13170 13171 // we found matching filter(s); app gets the max priority of all intents 13172 int cappedPriority = 0; 13173 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 13174 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 13175 } 13176 if (intent.getPriority() > cappedPriority) { 13177 if (DEBUG_FILTERS) { 13178 Slog.i(TAG, "Found matching filter(s);" 13179 + " cap priority to " + cappedPriority + ";" 13180 + " package: " + applicationInfo.packageName 13181 + " activity: " + intent.activity.className 13182 + " origPrio: " + intent.getPriority()); 13183 } 13184 intent.setPriority(cappedPriority); 13185 return; 13186 } 13187 // all this for nothing; the requested priority was <= what was on the system 13188 } 13189 13190 public final void addActivity(PackageParser.Activity a, String type) { 13191 mActivities.put(a.getComponentName(), a); 13192 if (DEBUG_SHOW_INFO) 13193 Log.v( 13194 TAG, " " + type + " " + 13195 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 13196 if (DEBUG_SHOW_INFO) 13197 Log.v(TAG, " Class=" + a.info.name); 13198 final int NI = a.intents.size(); 13199 for (int j=0; j<NI; j++) { 13200 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 13201 if ("activity".equals(type)) { 13202 final PackageSetting ps = 13203 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 13204 final List<PackageParser.Activity> systemActivities = 13205 ps != null && ps.pkg != null ? ps.pkg.activities : null; 13206 adjustPriority(systemActivities, intent); 13207 } 13208 if (DEBUG_SHOW_INFO) { 13209 Log.v(TAG, " IntentFilter:"); 13210 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 13211 } 13212 if (!intent.debugCheck()) { 13213 Log.w(TAG, "==> For Activity " + a.info.name); 13214 } 13215 addFilter(intent); 13216 } 13217 } 13218 13219 public final void removeActivity(PackageParser.Activity a, String type) { 13220 mActivities.remove(a.getComponentName()); 13221 if (DEBUG_SHOW_INFO) { 13222 Log.v(TAG, " " + type + " " 13223 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 13224 : a.info.name) + ":"); 13225 Log.v(TAG, " Class=" + a.info.name); 13226 } 13227 final int NI = a.intents.size(); 13228 for (int j=0; j<NI; j++) { 13229 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 13230 if (DEBUG_SHOW_INFO) { 13231 Log.v(TAG, " IntentFilter:"); 13232 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 13233 } 13234 removeFilter(intent); 13235 } 13236 } 13237 13238 @Override 13239 protected boolean allowFilterResult( 13240 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 13241 ActivityInfo filterAi = filter.activity.info; 13242 for (int i=dest.size()-1; i>=0; i--) { 13243 ActivityInfo destAi = dest.get(i).activityInfo; 13244 if (destAi.name == filterAi.name 13245 && destAi.packageName == filterAi.packageName) { 13246 return false; 13247 } 13248 } 13249 return true; 13250 } 13251 13252 @Override 13253 protected ActivityIntentInfo[] newArray(int size) { 13254 return new ActivityIntentInfo[size]; 13255 } 13256 13257 @Override 13258 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 13259 if (!sUserManager.exists(userId)) return true; 13260 PackageParser.Package p = filter.activity.owner; 13261 if (p != null) { 13262 PackageSetting ps = (PackageSetting)p.mExtras; 13263 if (ps != null) { 13264 // System apps are never considered stopped for purposes of 13265 // filtering, because there may be no way for the user to 13266 // actually re-launch them. 13267 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 13268 && ps.getStopped(userId); 13269 } 13270 } 13271 return false; 13272 } 13273 13274 @Override 13275 protected boolean isPackageForFilter(String packageName, 13276 PackageParser.ActivityIntentInfo info) { 13277 return packageName.equals(info.activity.owner.packageName); 13278 } 13279 13280 @Override 13281 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 13282 int match, int userId) { 13283 if (!sUserManager.exists(userId)) return null; 13284 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 13285 return null; 13286 } 13287 final PackageParser.Activity activity = info.activity; 13288 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 13289 if (ps == null) { 13290 return null; 13291 } 13292 final PackageUserState userState = ps.readUserState(userId); 13293 ActivityInfo ai = 13294 PackageParser.generateActivityInfo(activity, mFlags, userState, userId); 13295 if (ai == null) { 13296 return null; 13297 } 13298 final boolean matchExplicitlyVisibleOnly = 13299 (mFlags & PackageManager.MATCH_EXPLICITLY_VISIBLE_ONLY) != 0; 13300 final boolean matchVisibleToInstantApp = 13301 (mFlags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 13302 final boolean componentVisible = 13303 matchVisibleToInstantApp 13304 && info.isVisibleToInstantApp() 13305 && (!matchExplicitlyVisibleOnly || info.isExplicitlyVisibleToInstantApp()); 13306 final boolean matchInstantApp = (mFlags & PackageManager.MATCH_INSTANT) != 0; 13307 // throw out filters that aren't visible to ephemeral apps 13308 if (matchVisibleToInstantApp && !(componentVisible || userState.instantApp)) { 13309 return null; 13310 } 13311 // throw out instant app filters if we're not explicitly requesting them 13312 if (!matchInstantApp && userState.instantApp) { 13313 return null; 13314 } 13315 // throw out instant app filters if updates are available; will trigger 13316 // instant app resolution 13317 if (userState.instantApp && ps.isUpdateAvailable()) { 13318 return null; 13319 } 13320 final ResolveInfo res = new ResolveInfo(); 13321 res.activityInfo = ai; 13322 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 13323 res.filter = info; 13324 } 13325 if (info != null) { 13326 res.handleAllWebDataURI = info.handleAllWebDataURI(); 13327 } 13328 res.priority = info.getPriority(); 13329 res.preferredOrder = activity.owner.mPreferredOrder; 13330 //System.out.println("Result: " + res.activityInfo.className + 13331 // " = " + res.priority); 13332 res.match = match; 13333 res.isDefault = info.hasDefault; 13334 res.labelRes = info.labelRes; 13335 res.nonLocalizedLabel = info.nonLocalizedLabel; 13336 if (userNeedsBadging(userId)) { 13337 res.noResourceId = true; 13338 } else { 13339 res.icon = info.icon; 13340 } 13341 res.iconResourceId = info.icon; 13342 res.system = res.activityInfo.applicationInfo.isSystemApp(); 13343 res.isInstantAppAvailable = userState.instantApp; 13344 return res; 13345 } 13346 13347 @Override 13348 protected void sortResults(List<ResolveInfo> results) { 13349 Collections.sort(results, mResolvePrioritySorter); 13350 } 13351 13352 @Override 13353 protected void dumpFilter(PrintWriter out, String prefix, 13354 PackageParser.ActivityIntentInfo filter) { 13355 out.print(prefix); out.print( 13356 Integer.toHexString(System.identityHashCode(filter.activity))); 13357 out.print(' '); 13358 filter.activity.printComponentShortName(out); 13359 out.print(" filter "); 13360 out.println(Integer.toHexString(System.identityHashCode(filter))); 13361 } 13362 13363 @Override 13364 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 13365 return filter.activity; 13366 } 13367 13368 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 13369 PackageParser.Activity activity = (PackageParser.Activity)label; 13370 out.print(prefix); out.print( 13371 Integer.toHexString(System.identityHashCode(activity))); 13372 out.print(' '); 13373 activity.printComponentShortName(out); 13374 if (count > 1) { 13375 out.print(" ("); out.print(count); out.print(" filters)"); 13376 } 13377 out.println(); 13378 } 13379 13380 // Keys are String (activity class name), values are Activity. 13381 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 13382 = new ArrayMap<ComponentName, PackageParser.Activity>(); 13383 private int mFlags; 13384 } 13385 13386 private final class ServiceIntentResolver 13387 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 13388 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 13389 boolean defaultOnly, int userId) { 13390 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 13391 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 13392 } 13393 13394 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 13395 int userId) { 13396 if (!sUserManager.exists(userId)) return null; 13397 mFlags = flags; 13398 return super.queryIntent(intent, resolvedType, 13399 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 13400 userId); 13401 } 13402 13403 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 13404 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 13405 if (!sUserManager.exists(userId)) return null; 13406 if (packageServices == null) { 13407 return null; 13408 } 13409 mFlags = flags; 13410 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 13411 final int N = packageServices.size(); 13412 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 13413 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 13414 13415 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 13416 for (int i = 0; i < N; ++i) { 13417 intentFilters = packageServices.get(i).intents; 13418 if (intentFilters != null && intentFilters.size() > 0) { 13419 PackageParser.ServiceIntentInfo[] array = 13420 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 13421 intentFilters.toArray(array); 13422 listCut.add(array); 13423 } 13424 } 13425 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 13426 } 13427 13428 public final void addService(PackageParser.Service s) { 13429 mServices.put(s.getComponentName(), s); 13430 if (DEBUG_SHOW_INFO) { 13431 Log.v(TAG, " " 13432 + (s.info.nonLocalizedLabel != null 13433 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 13434 Log.v(TAG, " Class=" + s.info.name); 13435 } 13436 final int NI = s.intents.size(); 13437 int j; 13438 for (j=0; j<NI; j++) { 13439 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 13440 if (DEBUG_SHOW_INFO) { 13441 Log.v(TAG, " IntentFilter:"); 13442 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 13443 } 13444 if (!intent.debugCheck()) { 13445 Log.w(TAG, "==> For Service " + s.info.name); 13446 } 13447 addFilter(intent); 13448 } 13449 } 13450 13451 public final void removeService(PackageParser.Service s) { 13452 mServices.remove(s.getComponentName()); 13453 if (DEBUG_SHOW_INFO) { 13454 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 13455 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 13456 Log.v(TAG, " Class=" + s.info.name); 13457 } 13458 final int NI = s.intents.size(); 13459 int j; 13460 for (j=0; j<NI; j++) { 13461 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 13462 if (DEBUG_SHOW_INFO) { 13463 Log.v(TAG, " IntentFilter:"); 13464 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 13465 } 13466 removeFilter(intent); 13467 } 13468 } 13469 13470 @Override 13471 protected boolean allowFilterResult( 13472 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 13473 ServiceInfo filterSi = filter.service.info; 13474 for (int i=dest.size()-1; i>=0; i--) { 13475 ServiceInfo destAi = dest.get(i).serviceInfo; 13476 if (destAi.name == filterSi.name 13477 && destAi.packageName == filterSi.packageName) { 13478 return false; 13479 } 13480 } 13481 return true; 13482 } 13483 13484 @Override 13485 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 13486 return new PackageParser.ServiceIntentInfo[size]; 13487 } 13488 13489 @Override 13490 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 13491 if (!sUserManager.exists(userId)) return true; 13492 PackageParser.Package p = filter.service.owner; 13493 if (p != null) { 13494 PackageSetting ps = (PackageSetting)p.mExtras; 13495 if (ps != null) { 13496 // System apps are never considered stopped for purposes of 13497 // filtering, because there may be no way for the user to 13498 // actually re-launch them. 13499 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 13500 && ps.getStopped(userId); 13501 } 13502 } 13503 return false; 13504 } 13505 13506 @Override 13507 protected boolean isPackageForFilter(String packageName, 13508 PackageParser.ServiceIntentInfo info) { 13509 return packageName.equals(info.service.owner.packageName); 13510 } 13511 13512 @Override 13513 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 13514 int match, int userId) { 13515 if (!sUserManager.exists(userId)) return null; 13516 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 13517 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 13518 return null; 13519 } 13520 final PackageParser.Service service = info.service; 13521 PackageSetting ps = (PackageSetting) service.owner.mExtras; 13522 if (ps == null) { 13523 return null; 13524 } 13525 final PackageUserState userState = ps.readUserState(userId); 13526 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 13527 userState, userId); 13528 if (si == null) { 13529 return null; 13530 } 13531 final boolean matchVisibleToInstantApp = 13532 (mFlags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 13533 final boolean isInstantApp = (mFlags & PackageManager.MATCH_INSTANT) != 0; 13534 // throw out filters that aren't visible to ephemeral apps 13535 if (matchVisibleToInstantApp 13536 && !(info.isVisibleToInstantApp() || userState.instantApp)) { 13537 return null; 13538 } 13539 // throw out ephemeral filters if we're not explicitly requesting them 13540 if (!isInstantApp && userState.instantApp) { 13541 return null; 13542 } 13543 // throw out instant app filters if updates are available; will trigger 13544 // instant app resolution 13545 if (userState.instantApp && ps.isUpdateAvailable()) { 13546 return null; 13547 } 13548 final ResolveInfo res = new ResolveInfo(); 13549 res.serviceInfo = si; 13550 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 13551 res.filter = filter; 13552 } 13553 res.priority = info.getPriority(); 13554 res.preferredOrder = service.owner.mPreferredOrder; 13555 res.match = match; 13556 res.isDefault = info.hasDefault; 13557 res.labelRes = info.labelRes; 13558 res.nonLocalizedLabel = info.nonLocalizedLabel; 13559 res.icon = info.icon; 13560 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 13561 return res; 13562 } 13563 13564 @Override 13565 protected void sortResults(List<ResolveInfo> results) { 13566 Collections.sort(results, mResolvePrioritySorter); 13567 } 13568 13569 @Override 13570 protected void dumpFilter(PrintWriter out, String prefix, 13571 PackageParser.ServiceIntentInfo filter) { 13572 out.print(prefix); out.print( 13573 Integer.toHexString(System.identityHashCode(filter.service))); 13574 out.print(' '); 13575 filter.service.printComponentShortName(out); 13576 out.print(" filter "); 13577 out.println(Integer.toHexString(System.identityHashCode(filter))); 13578 } 13579 13580 @Override 13581 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 13582 return filter.service; 13583 } 13584 13585 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 13586 PackageParser.Service service = (PackageParser.Service)label; 13587 out.print(prefix); out.print( 13588 Integer.toHexString(System.identityHashCode(service))); 13589 out.print(' '); 13590 service.printComponentShortName(out); 13591 if (count > 1) { 13592 out.print(" ("); out.print(count); out.print(" filters)"); 13593 } 13594 out.println(); 13595 } 13596 13597// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 13598// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 13599// final List<ResolveInfo> retList = Lists.newArrayList(); 13600// while (i.hasNext()) { 13601// final ResolveInfo resolveInfo = (ResolveInfo) i; 13602// if (isEnabledLP(resolveInfo.serviceInfo)) { 13603// retList.add(resolveInfo); 13604// } 13605// } 13606// return retList; 13607// } 13608 13609 // Keys are String (activity class name), values are Activity. 13610 private final ArrayMap<ComponentName, PackageParser.Service> mServices 13611 = new ArrayMap<ComponentName, PackageParser.Service>(); 13612 private int mFlags; 13613 } 13614 13615 private final class ProviderIntentResolver 13616 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 13617 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 13618 boolean defaultOnly, int userId) { 13619 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 13620 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 13621 } 13622 13623 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 13624 int userId) { 13625 if (!sUserManager.exists(userId)) 13626 return null; 13627 mFlags = flags; 13628 return super.queryIntent(intent, resolvedType, 13629 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 13630 userId); 13631 } 13632 13633 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 13634 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 13635 if (!sUserManager.exists(userId)) 13636 return null; 13637 if (packageProviders == null) { 13638 return null; 13639 } 13640 mFlags = flags; 13641 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 13642 final int N = packageProviders.size(); 13643 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 13644 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 13645 13646 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 13647 for (int i = 0; i < N; ++i) { 13648 intentFilters = packageProviders.get(i).intents; 13649 if (intentFilters != null && intentFilters.size() > 0) { 13650 PackageParser.ProviderIntentInfo[] array = 13651 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 13652 intentFilters.toArray(array); 13653 listCut.add(array); 13654 } 13655 } 13656 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 13657 } 13658 13659 public final void addProvider(PackageParser.Provider p) { 13660 if (mProviders.containsKey(p.getComponentName())) { 13661 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 13662 return; 13663 } 13664 13665 mProviders.put(p.getComponentName(), p); 13666 if (DEBUG_SHOW_INFO) { 13667 Log.v(TAG, " " 13668 + (p.info.nonLocalizedLabel != null 13669 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 13670 Log.v(TAG, " Class=" + p.info.name); 13671 } 13672 final int NI = p.intents.size(); 13673 int j; 13674 for (j = 0; j < NI; j++) { 13675 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 13676 if (DEBUG_SHOW_INFO) { 13677 Log.v(TAG, " IntentFilter:"); 13678 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 13679 } 13680 if (!intent.debugCheck()) { 13681 Log.w(TAG, "==> For Provider " + p.info.name); 13682 } 13683 addFilter(intent); 13684 } 13685 } 13686 13687 public final void removeProvider(PackageParser.Provider p) { 13688 mProviders.remove(p.getComponentName()); 13689 if (DEBUG_SHOW_INFO) { 13690 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 13691 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 13692 Log.v(TAG, " Class=" + p.info.name); 13693 } 13694 final int NI = p.intents.size(); 13695 int j; 13696 for (j = 0; j < NI; j++) { 13697 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 13698 if (DEBUG_SHOW_INFO) { 13699 Log.v(TAG, " IntentFilter:"); 13700 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 13701 } 13702 removeFilter(intent); 13703 } 13704 } 13705 13706 @Override 13707 protected boolean allowFilterResult( 13708 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 13709 ProviderInfo filterPi = filter.provider.info; 13710 for (int i = dest.size() - 1; i >= 0; i--) { 13711 ProviderInfo destPi = dest.get(i).providerInfo; 13712 if (destPi.name == filterPi.name 13713 && destPi.packageName == filterPi.packageName) { 13714 return false; 13715 } 13716 } 13717 return true; 13718 } 13719 13720 @Override 13721 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 13722 return new PackageParser.ProviderIntentInfo[size]; 13723 } 13724 13725 @Override 13726 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 13727 if (!sUserManager.exists(userId)) 13728 return true; 13729 PackageParser.Package p = filter.provider.owner; 13730 if (p != null) { 13731 PackageSetting ps = (PackageSetting) p.mExtras; 13732 if (ps != null) { 13733 // System apps are never considered stopped for purposes of 13734 // filtering, because there may be no way for the user to 13735 // actually re-launch them. 13736 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 13737 && ps.getStopped(userId); 13738 } 13739 } 13740 return false; 13741 } 13742 13743 @Override 13744 protected boolean isPackageForFilter(String packageName, 13745 PackageParser.ProviderIntentInfo info) { 13746 return packageName.equals(info.provider.owner.packageName); 13747 } 13748 13749 @Override 13750 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 13751 int match, int userId) { 13752 if (!sUserManager.exists(userId)) 13753 return null; 13754 final PackageParser.ProviderIntentInfo info = filter; 13755 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 13756 return null; 13757 } 13758 final PackageParser.Provider provider = info.provider; 13759 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 13760 if (ps == null) { 13761 return null; 13762 } 13763 final PackageUserState userState = ps.readUserState(userId); 13764 final boolean matchVisibleToInstantApp = 13765 (mFlags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 13766 final boolean isInstantApp = (mFlags & PackageManager.MATCH_INSTANT) != 0; 13767 // throw out filters that aren't visible to instant applications 13768 if (matchVisibleToInstantApp 13769 && !(info.isVisibleToInstantApp() || userState.instantApp)) { 13770 return null; 13771 } 13772 // throw out instant application filters if we're not explicitly requesting them 13773 if (!isInstantApp && userState.instantApp) { 13774 return null; 13775 } 13776 // throw out instant application filters if updates are available; will trigger 13777 // instant application resolution 13778 if (userState.instantApp && ps.isUpdateAvailable()) { 13779 return null; 13780 } 13781 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 13782 userState, userId); 13783 if (pi == null) { 13784 return null; 13785 } 13786 final ResolveInfo res = new ResolveInfo(); 13787 res.providerInfo = pi; 13788 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 13789 res.filter = filter; 13790 } 13791 res.priority = info.getPriority(); 13792 res.preferredOrder = provider.owner.mPreferredOrder; 13793 res.match = match; 13794 res.isDefault = info.hasDefault; 13795 res.labelRes = info.labelRes; 13796 res.nonLocalizedLabel = info.nonLocalizedLabel; 13797 res.icon = info.icon; 13798 res.system = res.providerInfo.applicationInfo.isSystemApp(); 13799 return res; 13800 } 13801 13802 @Override 13803 protected void sortResults(List<ResolveInfo> results) { 13804 Collections.sort(results, mResolvePrioritySorter); 13805 } 13806 13807 @Override 13808 protected void dumpFilter(PrintWriter out, String prefix, 13809 PackageParser.ProviderIntentInfo filter) { 13810 out.print(prefix); 13811 out.print( 13812 Integer.toHexString(System.identityHashCode(filter.provider))); 13813 out.print(' '); 13814 filter.provider.printComponentShortName(out); 13815 out.print(" filter "); 13816 out.println(Integer.toHexString(System.identityHashCode(filter))); 13817 } 13818 13819 @Override 13820 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 13821 return filter.provider; 13822 } 13823 13824 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 13825 PackageParser.Provider provider = (PackageParser.Provider)label; 13826 out.print(prefix); out.print( 13827 Integer.toHexString(System.identityHashCode(provider))); 13828 out.print(' '); 13829 provider.printComponentShortName(out); 13830 if (count > 1) { 13831 out.print(" ("); out.print(count); out.print(" filters)"); 13832 } 13833 out.println(); 13834 } 13835 13836 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 13837 = new ArrayMap<ComponentName, PackageParser.Provider>(); 13838 private int mFlags; 13839 } 13840 13841 static final class EphemeralIntentResolver 13842 extends IntentResolver<AuxiliaryResolveInfo, AuxiliaryResolveInfo> { 13843 /** 13844 * The result that has the highest defined order. Ordering applies on a 13845 * per-package basis. Mapping is from package name to Pair of order and 13846 * EphemeralResolveInfo. 13847 * <p> 13848 * NOTE: This is implemented as a field variable for convenience and efficiency. 13849 * By having a field variable, we're able to track filter ordering as soon as 13850 * a non-zero order is defined. Otherwise, multiple loops across the result set 13851 * would be needed to apply ordering. If the intent resolver becomes re-entrant, 13852 * this needs to be contained entirely within {@link #filterResults}. 13853 */ 13854 final ArrayMap<String, Pair<Integer, InstantAppResolveInfo>> mOrderResult = new ArrayMap<>(); 13855 13856 @Override 13857 protected AuxiliaryResolveInfo[] newArray(int size) { 13858 return new AuxiliaryResolveInfo[size]; 13859 } 13860 13861 @Override 13862 protected boolean isPackageForFilter(String packageName, AuxiliaryResolveInfo responseObj) { 13863 return true; 13864 } 13865 13866 @Override 13867 protected AuxiliaryResolveInfo newResult(AuxiliaryResolveInfo responseObj, int match, 13868 int userId) { 13869 if (!sUserManager.exists(userId)) { 13870 return null; 13871 } 13872 final String packageName = responseObj.resolveInfo.getPackageName(); 13873 final Integer order = responseObj.getOrder(); 13874 final Pair<Integer, InstantAppResolveInfo> lastOrderResult = 13875 mOrderResult.get(packageName); 13876 // ordering is enabled and this item's order isn't high enough 13877 if (lastOrderResult != null && lastOrderResult.first >= order) { 13878 return null; 13879 } 13880 final InstantAppResolveInfo res = responseObj.resolveInfo; 13881 if (order > 0) { 13882 // non-zero order, enable ordering 13883 mOrderResult.put(packageName, new Pair<>(order, res)); 13884 } 13885 return responseObj; 13886 } 13887 13888 @Override 13889 protected void filterResults(List<AuxiliaryResolveInfo> results) { 13890 // only do work if ordering is enabled [most of the time it won't be] 13891 if (mOrderResult.size() == 0) { 13892 return; 13893 } 13894 int resultSize = results.size(); 13895 for (int i = 0; i < resultSize; i++) { 13896 final InstantAppResolveInfo info = results.get(i).resolveInfo; 13897 final String packageName = info.getPackageName(); 13898 final Pair<Integer, InstantAppResolveInfo> savedInfo = mOrderResult.get(packageName); 13899 if (savedInfo == null) { 13900 // package doesn't having ordering 13901 continue; 13902 } 13903 if (savedInfo.second == info) { 13904 // circled back to the highest ordered item; remove from order list 13905 mOrderResult.remove(savedInfo); 13906 if (mOrderResult.size() == 0) { 13907 // no more ordered items 13908 break; 13909 } 13910 continue; 13911 } 13912 // item has a worse order, remove it from the result list 13913 results.remove(i); 13914 resultSize--; 13915 i--; 13916 } 13917 } 13918 } 13919 13920 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 13921 new Comparator<ResolveInfo>() { 13922 public int compare(ResolveInfo r1, ResolveInfo r2) { 13923 int v1 = r1.priority; 13924 int v2 = r2.priority; 13925 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 13926 if (v1 != v2) { 13927 return (v1 > v2) ? -1 : 1; 13928 } 13929 v1 = r1.preferredOrder; 13930 v2 = r2.preferredOrder; 13931 if (v1 != v2) { 13932 return (v1 > v2) ? -1 : 1; 13933 } 13934 if (r1.isDefault != r2.isDefault) { 13935 return r1.isDefault ? -1 : 1; 13936 } 13937 v1 = r1.match; 13938 v2 = r2.match; 13939 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 13940 if (v1 != v2) { 13941 return (v1 > v2) ? -1 : 1; 13942 } 13943 if (r1.system != r2.system) { 13944 return r1.system ? -1 : 1; 13945 } 13946 if (r1.activityInfo != null) { 13947 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 13948 } 13949 if (r1.serviceInfo != null) { 13950 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 13951 } 13952 if (r1.providerInfo != null) { 13953 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 13954 } 13955 return 0; 13956 } 13957 }; 13958 13959 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 13960 new Comparator<ProviderInfo>() { 13961 public int compare(ProviderInfo p1, ProviderInfo p2) { 13962 final int v1 = p1.initOrder; 13963 final int v2 = p2.initOrder; 13964 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 13965 } 13966 }; 13967 13968 public void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 13969 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 13970 final int[] userIds) { 13971 mHandler.post(new Runnable() { 13972 @Override 13973 public void run() { 13974 try { 13975 final IActivityManager am = ActivityManager.getService(); 13976 if (am == null) return; 13977 final int[] resolvedUserIds; 13978 if (userIds == null) { 13979 resolvedUserIds = am.getRunningUserIds(); 13980 } else { 13981 resolvedUserIds = userIds; 13982 } 13983 for (int id : resolvedUserIds) { 13984 final Intent intent = new Intent(action, 13985 pkg != null ? Uri.fromParts(PACKAGE_SCHEME, pkg, null) : null); 13986 if (extras != null) { 13987 intent.putExtras(extras); 13988 } 13989 if (targetPkg != null) { 13990 intent.setPackage(targetPkg); 13991 } 13992 // Modify the UID when posting to other users 13993 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 13994 if (uid > 0 && UserHandle.getUserId(uid) != id) { 13995 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 13996 intent.putExtra(Intent.EXTRA_UID, uid); 13997 } 13998 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 13999 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 14000 if (DEBUG_BROADCASTS) { 14001 RuntimeException here = new RuntimeException("here"); 14002 here.fillInStackTrace(); 14003 Slog.d(TAG, "Sending to user " + id + ": " 14004 + intent.toShortString(false, true, false, false) 14005 + " " + intent.getExtras(), here); 14006 } 14007 am.broadcastIntent(null, intent, null, finishedReceiver, 14008 0, null, null, null, android.app.AppOpsManager.OP_NONE, 14009 null, finishedReceiver != null, false, id); 14010 } 14011 } catch (RemoteException ex) { 14012 } 14013 } 14014 }); 14015 } 14016 14017 /** 14018 * Check if the external storage media is available. This is true if there 14019 * is a mounted external storage medium or if the external storage is 14020 * emulated. 14021 */ 14022 private boolean isExternalMediaAvailable() { 14023 return mMediaMounted || Environment.isExternalStorageEmulated(); 14024 } 14025 14026 @Override 14027 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 14028 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 14029 return null; 14030 } 14031 // writer 14032 synchronized (mPackages) { 14033 if (!isExternalMediaAvailable()) { 14034 // If the external storage is no longer mounted at this point, 14035 // the caller may not have been able to delete all of this 14036 // packages files and can not delete any more. Bail. 14037 return null; 14038 } 14039 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 14040 if (lastPackage != null) { 14041 pkgs.remove(lastPackage); 14042 } 14043 if (pkgs.size() > 0) { 14044 return pkgs.get(0); 14045 } 14046 } 14047 return null; 14048 } 14049 14050 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 14051 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 14052 userId, andCode ? 1 : 0, packageName); 14053 if (mSystemReady) { 14054 msg.sendToTarget(); 14055 } else { 14056 if (mPostSystemReadyMessages == null) { 14057 mPostSystemReadyMessages = new ArrayList<>(); 14058 } 14059 mPostSystemReadyMessages.add(msg); 14060 } 14061 } 14062 14063 void startCleaningPackages() { 14064 // reader 14065 if (!isExternalMediaAvailable()) { 14066 return; 14067 } 14068 synchronized (mPackages) { 14069 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 14070 return; 14071 } 14072 } 14073 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 14074 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 14075 IActivityManager am = ActivityManager.getService(); 14076 if (am != null) { 14077 int dcsUid = -1; 14078 synchronized (mPackages) { 14079 if (!mDefaultContainerWhitelisted) { 14080 mDefaultContainerWhitelisted = true; 14081 PackageSetting ps = mSettings.mPackages.get(DEFAULT_CONTAINER_PACKAGE); 14082 dcsUid = UserHandle.getUid(UserHandle.USER_SYSTEM, ps.appId); 14083 } 14084 } 14085 try { 14086 if (dcsUid > 0) { 14087 am.backgroundWhitelistUid(dcsUid); 14088 } 14089 am.startService(null, intent, null, false, mContext.getOpPackageName(), 14090 UserHandle.USER_SYSTEM); 14091 } catch (RemoteException e) { 14092 } 14093 } 14094 } 14095 14096 @Override 14097 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 14098 int installFlags, String installerPackageName, int userId) { 14099 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 14100 14101 final int callingUid = Binder.getCallingUid(); 14102 enforceCrossUserPermission(callingUid, userId, 14103 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 14104 14105 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 14106 try { 14107 if (observer != null) { 14108 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 14109 } 14110 } catch (RemoteException re) { 14111 } 14112 return; 14113 } 14114 14115 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 14116 installFlags |= PackageManager.INSTALL_FROM_ADB; 14117 14118 } else { 14119 // Caller holds INSTALL_PACKAGES permission, so we're less strict 14120 // about installerPackageName. 14121 14122 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 14123 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 14124 } 14125 14126 UserHandle user; 14127 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 14128 user = UserHandle.ALL; 14129 } else { 14130 user = new UserHandle(userId); 14131 } 14132 14133 // Only system components can circumvent runtime permissions when installing. 14134 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 14135 && mContext.checkCallingOrSelfPermission(Manifest.permission 14136 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 14137 throw new SecurityException("You need the " 14138 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 14139 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 14140 } 14141 14142 if ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0 14143 || (installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 14144 throw new IllegalArgumentException( 14145 "New installs into ASEC containers no longer supported"); 14146 } 14147 14148 final File originFile = new File(originPath); 14149 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 14150 14151 final Message msg = mHandler.obtainMessage(INIT_COPY); 14152 final VerificationInfo verificationInfo = new VerificationInfo( 14153 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 14154 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 14155 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 14156 null /*packageAbiOverride*/, null /*grantedPermissions*/, 14157 null /*certificates*/, PackageManager.INSTALL_REASON_UNKNOWN); 14158 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 14159 msg.obj = params; 14160 14161 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 14162 System.identityHashCode(msg.obj)); 14163 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 14164 System.identityHashCode(msg.obj)); 14165 14166 mHandler.sendMessage(msg); 14167 } 14168 14169 14170 /** 14171 * Ensure that the install reason matches what we know about the package installer (e.g. whether 14172 * it is acting on behalf on an enterprise or the user). 14173 * 14174 * Note that the ordering of the conditionals in this method is important. The checks we perform 14175 * are as follows, in this order: 14176 * 14177 * 1) If the install is being performed by a system app, we can trust the app to have set the 14178 * install reason correctly. Thus, we pass through the install reason unchanged, no matter 14179 * what it is. 14180 * 2) If the install is being performed by a device or profile owner app, the install reason 14181 * should be enterprise policy. However, we cannot be sure that the device or profile owner 14182 * set the install reason correctly. If the app targets an older SDK version where install 14183 * reasons did not exist yet, or if the app author simply forgot, the install reason may be 14184 * unset or wrong. Thus, we force the install reason to be enterprise policy. 14185 * 3) In all other cases, the install is being performed by a regular app that is neither part 14186 * of the system nor a device or profile owner. We have no reason to believe that this app is 14187 * acting on behalf of the enterprise admin. Thus, we check whether the install reason was 14188 * set to enterprise policy and if so, change it to unknown instead. 14189 */ 14190 private int fixUpInstallReason(String installerPackageName, int installerUid, 14191 int installReason) { 14192 if (checkUidPermission(android.Manifest.permission.INSTALL_PACKAGES, installerUid) 14193 == PERMISSION_GRANTED) { 14194 // If the install is being performed by a system app, we trust that app to have set the 14195 // install reason correctly. 14196 return installReason; 14197 } 14198 14199 final IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 14200 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 14201 if (dpm != null) { 14202 ComponentName owner = null; 14203 try { 14204 owner = dpm.getDeviceOwnerComponent(true /* callingUserOnly */); 14205 if (owner == null) { 14206 owner = dpm.getProfileOwner(UserHandle.getUserId(installerUid)); 14207 } 14208 } catch (RemoteException e) { 14209 } 14210 if (owner != null && owner.getPackageName().equals(installerPackageName)) { 14211 // If the install is being performed by a device or profile owner, the install 14212 // reason should be enterprise policy. 14213 return PackageManager.INSTALL_REASON_POLICY; 14214 } 14215 } 14216 14217 if (installReason == PackageManager.INSTALL_REASON_POLICY) { 14218 // If the install is being performed by a regular app (i.e. neither system app nor 14219 // device or profile owner), we have no reason to believe that the app is acting on 14220 // behalf of an enterprise. If the app set the install reason to enterprise policy, 14221 // change it to unknown instead. 14222 return PackageManager.INSTALL_REASON_UNKNOWN; 14223 } 14224 14225 // If the install is being performed by a regular app and the install reason was set to any 14226 // value but enterprise policy, leave the install reason unchanged. 14227 return installReason; 14228 } 14229 14230 void installStage(String packageName, File stagedDir, String stagedCid, 14231 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 14232 String installerPackageName, int installerUid, UserHandle user, 14233 Certificate[][] certificates) { 14234 if (DEBUG_EPHEMERAL) { 14235 if ((sessionParams.installFlags & PackageManager.INSTALL_INSTANT_APP) != 0) { 14236 Slog.d(TAG, "Ephemeral install of " + packageName); 14237 } 14238 } 14239 final VerificationInfo verificationInfo = new VerificationInfo( 14240 sessionParams.originatingUri, sessionParams.referrerUri, 14241 sessionParams.originatingUid, installerUid); 14242 14243 final OriginInfo origin; 14244 if (stagedDir != null) { 14245 origin = OriginInfo.fromStagedFile(stagedDir); 14246 } else { 14247 origin = OriginInfo.fromStagedContainer(stagedCid); 14248 } 14249 14250 final Message msg = mHandler.obtainMessage(INIT_COPY); 14251 final int installReason = fixUpInstallReason(installerPackageName, installerUid, 14252 sessionParams.installReason); 14253 final InstallParams params = new InstallParams(origin, null, observer, 14254 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 14255 verificationInfo, user, sessionParams.abiOverride, 14256 sessionParams.grantedRuntimePermissions, certificates, installReason); 14257 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 14258 msg.obj = params; 14259 14260 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 14261 System.identityHashCode(msg.obj)); 14262 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 14263 System.identityHashCode(msg.obj)); 14264 14265 mHandler.sendMessage(msg); 14266 } 14267 14268 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 14269 int userId) { 14270 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 14271 sendPackageAddedForNewUsers(packageName, isSystem, pkgSetting.appId, userId); 14272 14273 // Send a session commit broadcast 14274 final PackageInstaller.SessionInfo info = new PackageInstaller.SessionInfo(); 14275 info.installReason = pkgSetting.getInstallReason(userId); 14276 info.appPackageName = packageName; 14277 sendSessionCommitBroadcast(info, userId); 14278 } 14279 14280 public void sendPackageAddedForNewUsers(String packageName, boolean isSystem, int appId, int... userIds) { 14281 if (ArrayUtils.isEmpty(userIds)) { 14282 return; 14283 } 14284 Bundle extras = new Bundle(1); 14285 // Set to UID of the first user, EXTRA_UID is automatically updated in sendPackageBroadcast 14286 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userIds[0], appId)); 14287 14288 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 14289 packageName, extras, 0, null, null, userIds); 14290 if (isSystem) { 14291 mHandler.post(() -> { 14292 for (int userId : userIds) { 14293 sendBootCompletedBroadcastToSystemApp(packageName, userId); 14294 } 14295 } 14296 ); 14297 } 14298 } 14299 14300 /** 14301 * The just-installed/enabled app is bundled on the system, so presumed to be able to run 14302 * automatically without needing an explicit launch. 14303 * Send it a LOCKED_BOOT_COMPLETED/BOOT_COMPLETED if it would ordinarily have gotten ones. 14304 */ 14305 private void sendBootCompletedBroadcastToSystemApp(String packageName, int userId) { 14306 // If user is not running, the app didn't miss any broadcast 14307 if (!mUserManagerInternal.isUserRunning(userId)) { 14308 return; 14309 } 14310 final IActivityManager am = ActivityManager.getService(); 14311 try { 14312 // Deliver LOCKED_BOOT_COMPLETED first 14313 Intent lockedBcIntent = new Intent(Intent.ACTION_LOCKED_BOOT_COMPLETED) 14314 .setPackage(packageName); 14315 final String[] requiredPermissions = {Manifest.permission.RECEIVE_BOOT_COMPLETED}; 14316 am.broadcastIntent(null, lockedBcIntent, null, null, 0, null, null, requiredPermissions, 14317 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 14318 14319 // Deliver BOOT_COMPLETED only if user is unlocked 14320 if (mUserManagerInternal.isUserUnlockingOrUnlocked(userId)) { 14321 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED).setPackage(packageName); 14322 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, requiredPermissions, 14323 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 14324 } 14325 } catch (RemoteException e) { 14326 throw e.rethrowFromSystemServer(); 14327 } 14328 } 14329 14330 @Override 14331 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 14332 int userId) { 14333 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 14334 PackageSetting pkgSetting; 14335 final int callingUid = Binder.getCallingUid(); 14336 enforceCrossUserPermission(callingUid, userId, 14337 true /* requireFullPermission */, true /* checkShell */, 14338 "setApplicationHiddenSetting for user " + userId); 14339 14340 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 14341 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 14342 return false; 14343 } 14344 14345 long callingId = Binder.clearCallingIdentity(); 14346 try { 14347 boolean sendAdded = false; 14348 boolean sendRemoved = false; 14349 // writer 14350 synchronized (mPackages) { 14351 pkgSetting = mSettings.mPackages.get(packageName); 14352 if (pkgSetting == null) { 14353 return false; 14354 } 14355 if (filterAppAccessLPr(pkgSetting, callingUid, userId)) { 14356 return false; 14357 } 14358 // Do not allow "android" is being disabled 14359 if ("android".equals(packageName)) { 14360 Slog.w(TAG, "Cannot hide package: android"); 14361 return false; 14362 } 14363 // Cannot hide static shared libs as they are considered 14364 // a part of the using app (emulating static linking). Also 14365 // static libs are installed always on internal storage. 14366 PackageParser.Package pkg = mPackages.get(packageName); 14367 if (pkg != null && pkg.staticSharedLibName != null) { 14368 Slog.w(TAG, "Cannot hide package: " + packageName 14369 + " providing static shared library: " 14370 + pkg.staticSharedLibName); 14371 return false; 14372 } 14373 // Only allow protected packages to hide themselves. 14374 if (hidden && !UserHandle.isSameApp(callingUid, pkgSetting.appId) 14375 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 14376 Slog.w(TAG, "Not hiding protected package: " + packageName); 14377 return false; 14378 } 14379 14380 if (pkgSetting.getHidden(userId) != hidden) { 14381 pkgSetting.setHidden(hidden, userId); 14382 mSettings.writePackageRestrictionsLPr(userId); 14383 if (hidden) { 14384 sendRemoved = true; 14385 } else { 14386 sendAdded = true; 14387 } 14388 } 14389 } 14390 if (sendAdded) { 14391 sendPackageAddedForUser(packageName, pkgSetting, userId); 14392 return true; 14393 } 14394 if (sendRemoved) { 14395 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 14396 "hiding pkg"); 14397 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 14398 return true; 14399 } 14400 } finally { 14401 Binder.restoreCallingIdentity(callingId); 14402 } 14403 return false; 14404 } 14405 14406 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 14407 int userId) { 14408 final PackageRemovedInfo info = new PackageRemovedInfo(this); 14409 info.removedPackage = packageName; 14410 info.installerPackageName = pkgSetting.installerPackageName; 14411 info.removedUsers = new int[] {userId}; 14412 info.broadcastUsers = new int[] {userId}; 14413 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 14414 info.sendPackageRemovedBroadcasts(true /*killApp*/); 14415 } 14416 14417 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 14418 if (pkgList.length > 0) { 14419 Bundle extras = new Bundle(1); 14420 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 14421 14422 sendPackageBroadcast( 14423 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 14424 : Intent.ACTION_PACKAGES_UNSUSPENDED, 14425 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 14426 new int[] {userId}); 14427 } 14428 } 14429 14430 /** 14431 * Returns true if application is not found or there was an error. Otherwise it returns 14432 * the hidden state of the package for the given user. 14433 */ 14434 @Override 14435 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 14436 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 14437 final int callingUid = Binder.getCallingUid(); 14438 enforceCrossUserPermission(callingUid, userId, 14439 true /* requireFullPermission */, false /* checkShell */, 14440 "getApplicationHidden for user " + userId); 14441 PackageSetting ps; 14442 long callingId = Binder.clearCallingIdentity(); 14443 try { 14444 // writer 14445 synchronized (mPackages) { 14446 ps = mSettings.mPackages.get(packageName); 14447 if (ps == null) { 14448 return true; 14449 } 14450 if (filterAppAccessLPr(ps, callingUid, userId)) { 14451 return true; 14452 } 14453 return ps.getHidden(userId); 14454 } 14455 } finally { 14456 Binder.restoreCallingIdentity(callingId); 14457 } 14458 } 14459 14460 /** 14461 * @hide 14462 */ 14463 @Override 14464 public int installExistingPackageAsUser(String packageName, int userId, int installFlags, 14465 int installReason) { 14466 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 14467 null); 14468 PackageSetting pkgSetting; 14469 final int callingUid = Binder.getCallingUid(); 14470 enforceCrossUserPermission(callingUid, userId, 14471 true /* requireFullPermission */, true /* checkShell */, 14472 "installExistingPackage for user " + userId); 14473 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 14474 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 14475 } 14476 14477 long callingId = Binder.clearCallingIdentity(); 14478 try { 14479 boolean installed = false; 14480 final boolean instantApp = 14481 (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 14482 final boolean fullApp = 14483 (installFlags & PackageManager.INSTALL_FULL_APP) != 0; 14484 14485 // writer 14486 synchronized (mPackages) { 14487 pkgSetting = mSettings.mPackages.get(packageName); 14488 if (pkgSetting == null) { 14489 return PackageManager.INSTALL_FAILED_INVALID_URI; 14490 } 14491 if (!canViewInstantApps(callingUid, UserHandle.getUserId(callingUid))) { 14492 // only allow the existing package to be used if it's installed as a full 14493 // application for at least one user 14494 boolean installAllowed = false; 14495 for (int checkUserId : sUserManager.getUserIds()) { 14496 installAllowed = !pkgSetting.getInstantApp(checkUserId); 14497 if (installAllowed) { 14498 break; 14499 } 14500 } 14501 if (!installAllowed) { 14502 return PackageManager.INSTALL_FAILED_INVALID_URI; 14503 } 14504 } 14505 if (!pkgSetting.getInstalled(userId)) { 14506 pkgSetting.setInstalled(true, userId); 14507 pkgSetting.setHidden(false, userId); 14508 pkgSetting.setInstallReason(installReason, userId); 14509 mSettings.writePackageRestrictionsLPr(userId); 14510 mSettings.writeKernelMappingLPr(pkgSetting); 14511 installed = true; 14512 } else if (fullApp && pkgSetting.getInstantApp(userId)) { 14513 // upgrade app from instant to full; we don't allow app downgrade 14514 installed = true; 14515 } 14516 setInstantAppForUser(pkgSetting, userId, instantApp, fullApp); 14517 } 14518 14519 if (installed) { 14520 if (pkgSetting.pkg != null) { 14521 synchronized (mInstallLock) { 14522 // We don't need to freeze for a brand new install 14523 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 14524 } 14525 } 14526 sendPackageAddedForUser(packageName, pkgSetting, userId); 14527 synchronized (mPackages) { 14528 updateSequenceNumberLP(pkgSetting, new int[]{ userId }); 14529 } 14530 } 14531 } finally { 14532 Binder.restoreCallingIdentity(callingId); 14533 } 14534 14535 return PackageManager.INSTALL_SUCCEEDED; 14536 } 14537 14538 void setInstantAppForUser(PackageSetting pkgSetting, int userId, 14539 boolean instantApp, boolean fullApp) { 14540 // no state specified; do nothing 14541 if (!instantApp && !fullApp) { 14542 return; 14543 } 14544 if (userId != UserHandle.USER_ALL) { 14545 if (instantApp && !pkgSetting.getInstantApp(userId)) { 14546 pkgSetting.setInstantApp(true /*instantApp*/, userId); 14547 } else if (fullApp && pkgSetting.getInstantApp(userId)) { 14548 pkgSetting.setInstantApp(false /*instantApp*/, userId); 14549 } 14550 } else { 14551 for (int currentUserId : sUserManager.getUserIds()) { 14552 if (instantApp && !pkgSetting.getInstantApp(currentUserId)) { 14553 pkgSetting.setInstantApp(true /*instantApp*/, currentUserId); 14554 } else if (fullApp && pkgSetting.getInstantApp(currentUserId)) { 14555 pkgSetting.setInstantApp(false /*instantApp*/, currentUserId); 14556 } 14557 } 14558 } 14559 } 14560 14561 boolean isUserRestricted(int userId, String restrictionKey) { 14562 Bundle restrictions = sUserManager.getUserRestrictions(userId); 14563 if (restrictions.getBoolean(restrictionKey, false)) { 14564 Log.w(TAG, "User is restricted: " + restrictionKey); 14565 return true; 14566 } 14567 return false; 14568 } 14569 14570 @Override 14571 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 14572 int userId) { 14573 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 14574 final int callingUid = Binder.getCallingUid(); 14575 enforceCrossUserPermission(callingUid, userId, 14576 true /* requireFullPermission */, true /* checkShell */, 14577 "setPackagesSuspended for user " + userId); 14578 14579 if (ArrayUtils.isEmpty(packageNames)) { 14580 return packageNames; 14581 } 14582 14583 // List of package names for whom the suspended state has changed. 14584 List<String> changedPackages = new ArrayList<>(packageNames.length); 14585 // List of package names for whom the suspended state is not set as requested in this 14586 // method. 14587 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 14588 long callingId = Binder.clearCallingIdentity(); 14589 try { 14590 for (int i = 0; i < packageNames.length; i++) { 14591 String packageName = packageNames[i]; 14592 boolean changed = false; 14593 final int appId; 14594 synchronized (mPackages) { 14595 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 14596 if (pkgSetting == null 14597 || filterAppAccessLPr(pkgSetting, callingUid, userId)) { 14598 Slog.w(TAG, "Could not find package setting for package \"" + packageName 14599 + "\". Skipping suspending/un-suspending."); 14600 unactionedPackages.add(packageName); 14601 continue; 14602 } 14603 appId = pkgSetting.appId; 14604 if (pkgSetting.getSuspended(userId) != suspended) { 14605 if (!canSuspendPackageForUserLocked(packageName, userId)) { 14606 unactionedPackages.add(packageName); 14607 continue; 14608 } 14609 pkgSetting.setSuspended(suspended, userId); 14610 mSettings.writePackageRestrictionsLPr(userId); 14611 changed = true; 14612 changedPackages.add(packageName); 14613 } 14614 } 14615 14616 if (changed && suspended) { 14617 killApplication(packageName, UserHandle.getUid(userId, appId), 14618 "suspending package"); 14619 } 14620 } 14621 } finally { 14622 Binder.restoreCallingIdentity(callingId); 14623 } 14624 14625 if (!changedPackages.isEmpty()) { 14626 sendPackagesSuspendedForUser(changedPackages.toArray( 14627 new String[changedPackages.size()]), userId, suspended); 14628 } 14629 14630 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 14631 } 14632 14633 @Override 14634 public boolean isPackageSuspendedForUser(String packageName, int userId) { 14635 final int callingUid = Binder.getCallingUid(); 14636 enforceCrossUserPermission(callingUid, userId, 14637 true /* requireFullPermission */, false /* checkShell */, 14638 "isPackageSuspendedForUser for user " + userId); 14639 synchronized (mPackages) { 14640 final PackageSetting ps = mSettings.mPackages.get(packageName); 14641 if (ps == null || filterAppAccessLPr(ps, callingUid, userId)) { 14642 throw new IllegalArgumentException("Unknown target package: " + packageName); 14643 } 14644 return ps.getSuspended(userId); 14645 } 14646 } 14647 14648 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 14649 if (isPackageDeviceAdmin(packageName, userId)) { 14650 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 14651 + "\": has an active device admin"); 14652 return false; 14653 } 14654 14655 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 14656 if (packageName.equals(activeLauncherPackageName)) { 14657 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 14658 + "\": contains the active launcher"); 14659 return false; 14660 } 14661 14662 if (packageName.equals(mRequiredInstallerPackage)) { 14663 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 14664 + "\": required for package installation"); 14665 return false; 14666 } 14667 14668 if (packageName.equals(mRequiredUninstallerPackage)) { 14669 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 14670 + "\": required for package uninstallation"); 14671 return false; 14672 } 14673 14674 if (packageName.equals(mRequiredVerifierPackage)) { 14675 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 14676 + "\": required for package verification"); 14677 return false; 14678 } 14679 14680 if (packageName.equals(getDefaultDialerPackageName(userId))) { 14681 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 14682 + "\": is the default dialer"); 14683 return false; 14684 } 14685 14686 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 14687 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 14688 + "\": protected package"); 14689 return false; 14690 } 14691 14692 // Cannot suspend static shared libs as they are considered 14693 // a part of the using app (emulating static linking). Also 14694 // static libs are installed always on internal storage. 14695 PackageParser.Package pkg = mPackages.get(packageName); 14696 if (pkg != null && pkg.applicationInfo.isStaticSharedLibrary()) { 14697 Slog.w(TAG, "Cannot suspend package: " + packageName 14698 + " providing static shared library: " 14699 + pkg.staticSharedLibName); 14700 return false; 14701 } 14702 14703 return true; 14704 } 14705 14706 private String getActiveLauncherPackageName(int userId) { 14707 Intent intent = new Intent(Intent.ACTION_MAIN); 14708 intent.addCategory(Intent.CATEGORY_HOME); 14709 ResolveInfo resolveInfo = resolveIntent( 14710 intent, 14711 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 14712 PackageManager.MATCH_DEFAULT_ONLY, 14713 userId); 14714 14715 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 14716 } 14717 14718 private String getDefaultDialerPackageName(int userId) { 14719 synchronized (mPackages) { 14720 return mSettings.getDefaultDialerPackageNameLPw(userId); 14721 } 14722 } 14723 14724 @Override 14725 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 14726 mContext.enforceCallingOrSelfPermission( 14727 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 14728 "Only package verification agents can verify applications"); 14729 14730 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 14731 final PackageVerificationResponse response = new PackageVerificationResponse( 14732 verificationCode, Binder.getCallingUid()); 14733 msg.arg1 = id; 14734 msg.obj = response; 14735 mHandler.sendMessage(msg); 14736 } 14737 14738 @Override 14739 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 14740 long millisecondsToDelay) { 14741 mContext.enforceCallingOrSelfPermission( 14742 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 14743 "Only package verification agents can extend verification timeouts"); 14744 14745 final PackageVerificationState state = mPendingVerification.get(id); 14746 final PackageVerificationResponse response = new PackageVerificationResponse( 14747 verificationCodeAtTimeout, Binder.getCallingUid()); 14748 14749 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 14750 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 14751 } 14752 if (millisecondsToDelay < 0) { 14753 millisecondsToDelay = 0; 14754 } 14755 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 14756 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 14757 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 14758 } 14759 14760 if ((state != null) && !state.timeoutExtended()) { 14761 state.extendTimeout(); 14762 14763 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 14764 msg.arg1 = id; 14765 msg.obj = response; 14766 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 14767 } 14768 } 14769 14770 private void broadcastPackageVerified(int verificationId, Uri packageUri, 14771 int verificationCode, UserHandle user) { 14772 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 14773 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 14774 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 14775 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 14776 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 14777 14778 mContext.sendBroadcastAsUser(intent, user, 14779 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 14780 } 14781 14782 private ComponentName matchComponentForVerifier(String packageName, 14783 List<ResolveInfo> receivers) { 14784 ActivityInfo targetReceiver = null; 14785 14786 final int NR = receivers.size(); 14787 for (int i = 0; i < NR; i++) { 14788 final ResolveInfo info = receivers.get(i); 14789 if (info.activityInfo == null) { 14790 continue; 14791 } 14792 14793 if (packageName.equals(info.activityInfo.packageName)) { 14794 targetReceiver = info.activityInfo; 14795 break; 14796 } 14797 } 14798 14799 if (targetReceiver == null) { 14800 return null; 14801 } 14802 14803 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 14804 } 14805 14806 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 14807 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 14808 if (pkgInfo.verifiers.length == 0) { 14809 return null; 14810 } 14811 14812 final int N = pkgInfo.verifiers.length; 14813 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 14814 for (int i = 0; i < N; i++) { 14815 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 14816 14817 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 14818 receivers); 14819 if (comp == null) { 14820 continue; 14821 } 14822 14823 final int verifierUid = getUidForVerifier(verifierInfo); 14824 if (verifierUid == -1) { 14825 continue; 14826 } 14827 14828 if (DEBUG_VERIFY) { 14829 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 14830 + " with the correct signature"); 14831 } 14832 sufficientVerifiers.add(comp); 14833 verificationState.addSufficientVerifier(verifierUid); 14834 } 14835 14836 return sufficientVerifiers; 14837 } 14838 14839 private int getUidForVerifier(VerifierInfo verifierInfo) { 14840 synchronized (mPackages) { 14841 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 14842 if (pkg == null) { 14843 return -1; 14844 } else if (pkg.mSignatures.length != 1) { 14845 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 14846 + " has more than one signature; ignoring"); 14847 return -1; 14848 } 14849 14850 /* 14851 * If the public key of the package's signature does not match 14852 * our expected public key, then this is a different package and 14853 * we should skip. 14854 */ 14855 14856 final byte[] expectedPublicKey; 14857 try { 14858 final Signature verifierSig = pkg.mSignatures[0]; 14859 final PublicKey publicKey = verifierSig.getPublicKey(); 14860 expectedPublicKey = publicKey.getEncoded(); 14861 } catch (CertificateException e) { 14862 return -1; 14863 } 14864 14865 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 14866 14867 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 14868 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 14869 + " does not have the expected public key; ignoring"); 14870 return -1; 14871 } 14872 14873 return pkg.applicationInfo.uid; 14874 } 14875 } 14876 14877 @Override 14878 public void finishPackageInstall(int token, boolean didLaunch) { 14879 enforceSystemOrRoot("Only the system is allowed to finish installs"); 14880 14881 if (DEBUG_INSTALL) { 14882 Slog.v(TAG, "BM finishing package install for " + token); 14883 } 14884 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 14885 14886 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 14887 mHandler.sendMessage(msg); 14888 } 14889 14890 /** 14891 * Get the verification agent timeout. Used for both the APK verifier and the 14892 * intent filter verifier. 14893 * 14894 * @return verification timeout in milliseconds 14895 */ 14896 private long getVerificationTimeout() { 14897 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 14898 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 14899 DEFAULT_VERIFICATION_TIMEOUT); 14900 } 14901 14902 /** 14903 * Get the default verification agent response code. 14904 * 14905 * @return default verification response code 14906 */ 14907 private int getDefaultVerificationResponse(UserHandle user) { 14908 if (sUserManager.hasUserRestriction(UserManager.ENSURE_VERIFY_APPS, user.getIdentifier())) { 14909 return PackageManager.VERIFICATION_REJECT; 14910 } 14911 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 14912 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 14913 DEFAULT_VERIFICATION_RESPONSE); 14914 } 14915 14916 /** 14917 * Check whether or not package verification has been enabled. 14918 * 14919 * @return true if verification should be performed 14920 */ 14921 private boolean isVerificationEnabled(int userId, int installFlags, int installerUid) { 14922 if (!DEFAULT_VERIFY_ENABLE) { 14923 return false; 14924 } 14925 14926 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 14927 14928 // Check if installing from ADB 14929 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 14930 // Do not run verification in a test harness environment 14931 if (ActivityManager.isRunningInTestHarness()) { 14932 return false; 14933 } 14934 if (ensureVerifyAppsEnabled) { 14935 return true; 14936 } 14937 // Check if the developer does not want package verification for ADB installs 14938 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 14939 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 14940 return false; 14941 } 14942 } else { 14943 // only when not installed from ADB, skip verification for instant apps when 14944 // the installer and verifier are the same. 14945 if ((installFlags & PackageManager.INSTALL_INSTANT_APP) != 0) { 14946 if (mInstantAppInstallerActivity != null 14947 && mInstantAppInstallerActivity.packageName.equals( 14948 mRequiredVerifierPackage)) { 14949 try { 14950 mContext.getSystemService(AppOpsManager.class) 14951 .checkPackage(installerUid, mRequiredVerifierPackage); 14952 if (DEBUG_VERIFY) { 14953 Slog.i(TAG, "disable verification for instant app"); 14954 } 14955 return false; 14956 } catch (SecurityException ignore) { } 14957 } 14958 } 14959 } 14960 14961 if (ensureVerifyAppsEnabled) { 14962 return true; 14963 } 14964 14965 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 14966 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 14967 } 14968 14969 @Override 14970 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 14971 throws RemoteException { 14972 mContext.enforceCallingOrSelfPermission( 14973 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 14974 "Only intentfilter verification agents can verify applications"); 14975 14976 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 14977 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 14978 Binder.getCallingUid(), verificationCode, failedDomains); 14979 msg.arg1 = id; 14980 msg.obj = response; 14981 mHandler.sendMessage(msg); 14982 } 14983 14984 @Override 14985 public int getIntentVerificationStatus(String packageName, int userId) { 14986 final int callingUid = Binder.getCallingUid(); 14987 if (getInstantAppPackageName(callingUid) != null) { 14988 return INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 14989 } 14990 synchronized (mPackages) { 14991 final PackageSetting ps = mSettings.mPackages.get(packageName); 14992 if (ps == null 14993 || filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 14994 return INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 14995 } 14996 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 14997 } 14998 } 14999 15000 @Override 15001 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 15002 mContext.enforceCallingOrSelfPermission( 15003 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15004 15005 boolean result = false; 15006 synchronized (mPackages) { 15007 final PackageSetting ps = mSettings.mPackages.get(packageName); 15008 if (filterAppAccessLPr(ps, Binder.getCallingUid(), UserHandle.getCallingUserId())) { 15009 return false; 15010 } 15011 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 15012 } 15013 if (result) { 15014 scheduleWritePackageRestrictionsLocked(userId); 15015 } 15016 return result; 15017 } 15018 15019 @Override 15020 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 15021 String packageName) { 15022 final int callingUid = Binder.getCallingUid(); 15023 if (getInstantAppPackageName(callingUid) != null) { 15024 return ParceledListSlice.emptyList(); 15025 } 15026 synchronized (mPackages) { 15027 final PackageSetting ps = mSettings.mPackages.get(packageName); 15028 if (filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 15029 return ParceledListSlice.emptyList(); 15030 } 15031 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 15032 } 15033 } 15034 15035 @Override 15036 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 15037 if (TextUtils.isEmpty(packageName)) { 15038 return ParceledListSlice.emptyList(); 15039 } 15040 final int callingUid = Binder.getCallingUid(); 15041 final int callingUserId = UserHandle.getUserId(callingUid); 15042 synchronized (mPackages) { 15043 PackageParser.Package pkg = mPackages.get(packageName); 15044 if (pkg == null || pkg.activities == null) { 15045 return ParceledListSlice.emptyList(); 15046 } 15047 if (pkg.mExtras == null) { 15048 return ParceledListSlice.emptyList(); 15049 } 15050 final PackageSetting ps = (PackageSetting) pkg.mExtras; 15051 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 15052 return ParceledListSlice.emptyList(); 15053 } 15054 final int count = pkg.activities.size(); 15055 ArrayList<IntentFilter> result = new ArrayList<>(); 15056 for (int n=0; n<count; n++) { 15057 PackageParser.Activity activity = pkg.activities.get(n); 15058 if (activity.intents != null && activity.intents.size() > 0) { 15059 result.addAll(activity.intents); 15060 } 15061 } 15062 return new ParceledListSlice<>(result); 15063 } 15064 } 15065 15066 @Override 15067 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 15068 mContext.enforceCallingOrSelfPermission( 15069 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 15070 15071 synchronized (mPackages) { 15072 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 15073 if (packageName != null) { 15074 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 15075 packageName, userId); 15076 } 15077 return result; 15078 } 15079 } 15080 15081 @Override 15082 public String getDefaultBrowserPackageName(int userId) { 15083 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 15084 return null; 15085 } 15086 synchronized (mPackages) { 15087 return mSettings.getDefaultBrowserPackageNameLPw(userId); 15088 } 15089 } 15090 15091 /** 15092 * Get the "allow unknown sources" setting. 15093 * 15094 * @return the current "allow unknown sources" setting 15095 */ 15096 private int getUnknownSourcesSettings() { 15097 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 15098 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 15099 -1); 15100 } 15101 15102 @Override 15103 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 15104 final int callingUid = Binder.getCallingUid(); 15105 if (getInstantAppPackageName(callingUid) != null) { 15106 return; 15107 } 15108 // writer 15109 synchronized (mPackages) { 15110 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 15111 if (targetPackageSetting == null 15112 || filterAppAccessLPr( 15113 targetPackageSetting, callingUid, UserHandle.getUserId(callingUid))) { 15114 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 15115 } 15116 15117 PackageSetting installerPackageSetting; 15118 if (installerPackageName != null) { 15119 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 15120 if (installerPackageSetting == null) { 15121 throw new IllegalArgumentException("Unknown installer package: " 15122 + installerPackageName); 15123 } 15124 } else { 15125 installerPackageSetting = null; 15126 } 15127 15128 Signature[] callerSignature; 15129 Object obj = mSettings.getUserIdLPr(callingUid); 15130 if (obj != null) { 15131 if (obj instanceof SharedUserSetting) { 15132 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 15133 } else if (obj instanceof PackageSetting) { 15134 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 15135 } else { 15136 throw new SecurityException("Bad object " + obj + " for uid " + callingUid); 15137 } 15138 } else { 15139 throw new SecurityException("Unknown calling UID: " + callingUid); 15140 } 15141 15142 // Verify: can't set installerPackageName to a package that is 15143 // not signed with the same cert as the caller. 15144 if (installerPackageSetting != null) { 15145 if (compareSignatures(callerSignature, 15146 installerPackageSetting.signatures.mSignatures) 15147 != PackageManager.SIGNATURE_MATCH) { 15148 throw new SecurityException( 15149 "Caller does not have same cert as new installer package " 15150 + installerPackageName); 15151 } 15152 } 15153 15154 // Verify: if target already has an installer package, it must 15155 // be signed with the same cert as the caller. 15156 if (targetPackageSetting.installerPackageName != null) { 15157 PackageSetting setting = mSettings.mPackages.get( 15158 targetPackageSetting.installerPackageName); 15159 // If the currently set package isn't valid, then it's always 15160 // okay to change it. 15161 if (setting != null) { 15162 if (compareSignatures(callerSignature, 15163 setting.signatures.mSignatures) 15164 != PackageManager.SIGNATURE_MATCH) { 15165 throw new SecurityException( 15166 "Caller does not have same cert as old installer package " 15167 + targetPackageSetting.installerPackageName); 15168 } 15169 } 15170 } 15171 15172 // Okay! 15173 targetPackageSetting.installerPackageName = installerPackageName; 15174 if (installerPackageName != null) { 15175 mSettings.mInstallerPackages.add(installerPackageName); 15176 } 15177 scheduleWriteSettingsLocked(); 15178 } 15179 } 15180 15181 @Override 15182 public void setApplicationCategoryHint(String packageName, int categoryHint, 15183 String callerPackageName) { 15184 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 15185 throw new SecurityException("Instant applications don't have access to this method"); 15186 } 15187 mContext.getSystemService(AppOpsManager.class).checkPackage(Binder.getCallingUid(), 15188 callerPackageName); 15189 synchronized (mPackages) { 15190 PackageSetting ps = mSettings.mPackages.get(packageName); 15191 if (ps == null) { 15192 throw new IllegalArgumentException("Unknown target package " + packageName); 15193 } 15194 if (filterAppAccessLPr(ps, Binder.getCallingUid(), UserHandle.getCallingUserId())) { 15195 throw new IllegalArgumentException("Unknown target package " + packageName); 15196 } 15197 if (!Objects.equals(callerPackageName, ps.installerPackageName)) { 15198 throw new IllegalArgumentException("Calling package " + callerPackageName 15199 + " is not installer for " + packageName); 15200 } 15201 15202 if (ps.categoryHint != categoryHint) { 15203 ps.categoryHint = categoryHint; 15204 scheduleWriteSettingsLocked(); 15205 } 15206 } 15207 } 15208 15209 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 15210 // Queue up an async operation since the package installation may take a little while. 15211 mHandler.post(new Runnable() { 15212 public void run() { 15213 mHandler.removeCallbacks(this); 15214 // Result object to be returned 15215 PackageInstalledInfo res = new PackageInstalledInfo(); 15216 res.setReturnCode(currentStatus); 15217 res.uid = -1; 15218 res.pkg = null; 15219 res.removedInfo = null; 15220 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 15221 args.doPreInstall(res.returnCode); 15222 synchronized (mInstallLock) { 15223 installPackageTracedLI(args, res); 15224 } 15225 args.doPostInstall(res.returnCode, res.uid); 15226 } 15227 15228 // A restore should be performed at this point if (a) the install 15229 // succeeded, (b) the operation is not an update, and (c) the new 15230 // package has not opted out of backup participation. 15231 final boolean update = res.removedInfo != null 15232 && res.removedInfo.removedPackage != null; 15233 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 15234 boolean doRestore = !update 15235 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 15236 15237 // Set up the post-install work request bookkeeping. This will be used 15238 // and cleaned up by the post-install event handling regardless of whether 15239 // there's a restore pass performed. Token values are >= 1. 15240 int token; 15241 if (mNextInstallToken < 0) mNextInstallToken = 1; 15242 token = mNextInstallToken++; 15243 15244 PostInstallData data = new PostInstallData(args, res); 15245 mRunningInstalls.put(token, data); 15246 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 15247 15248 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 15249 // Pass responsibility to the Backup Manager. It will perform a 15250 // restore if appropriate, then pass responsibility back to the 15251 // Package Manager to run the post-install observer callbacks 15252 // and broadcasts. 15253 IBackupManager bm = IBackupManager.Stub.asInterface( 15254 ServiceManager.getService(Context.BACKUP_SERVICE)); 15255 if (bm != null) { 15256 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 15257 + " to BM for possible restore"); 15258 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 15259 try { 15260 // TODO: http://b/22388012 15261 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 15262 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 15263 } else { 15264 doRestore = false; 15265 } 15266 } catch (RemoteException e) { 15267 // can't happen; the backup manager is local 15268 } catch (Exception e) { 15269 Slog.e(TAG, "Exception trying to enqueue restore", e); 15270 doRestore = false; 15271 } 15272 } else { 15273 Slog.e(TAG, "Backup Manager not found!"); 15274 doRestore = false; 15275 } 15276 } 15277 15278 if (!doRestore) { 15279 // No restore possible, or the Backup Manager was mysteriously not 15280 // available -- just fire the post-install work request directly. 15281 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 15282 15283 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 15284 15285 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 15286 mHandler.sendMessage(msg); 15287 } 15288 } 15289 }); 15290 } 15291 15292 /** 15293 * Callback from PackageSettings whenever an app is first transitioned out of the 15294 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 15295 * the app was "launched" for a restoreAtInstall operation. Therefore we check 15296 * here whether the app is the target of an ongoing install, and only send the 15297 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 15298 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 15299 * handling. 15300 */ 15301 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 15302 // Serialize this with the rest of the install-process message chain. In the 15303 // restore-at-install case, this Runnable will necessarily run before the 15304 // POST_INSTALL message is processed, so the contents of mRunningInstalls 15305 // are coherent. In the non-restore case, the app has already completed install 15306 // and been launched through some other means, so it is not in a problematic 15307 // state for observers to see the FIRST_LAUNCH signal. 15308 mHandler.post(new Runnable() { 15309 @Override 15310 public void run() { 15311 for (int i = 0; i < mRunningInstalls.size(); i++) { 15312 final PostInstallData data = mRunningInstalls.valueAt(i); 15313 if (data.res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 15314 continue; 15315 } 15316 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 15317 // right package; but is it for the right user? 15318 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 15319 if (userId == data.res.newUsers[uIndex]) { 15320 if (DEBUG_BACKUP) { 15321 Slog.i(TAG, "Package " + pkgName 15322 + " being restored so deferring FIRST_LAUNCH"); 15323 } 15324 return; 15325 } 15326 } 15327 } 15328 } 15329 // didn't find it, so not being restored 15330 if (DEBUG_BACKUP) { 15331 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 15332 } 15333 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 15334 } 15335 }); 15336 } 15337 15338 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 15339 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 15340 installerPkg, null, userIds); 15341 } 15342 15343 private abstract class HandlerParams { 15344 private static final int MAX_RETRIES = 4; 15345 15346 /** 15347 * Number of times startCopy() has been attempted and had a non-fatal 15348 * error. 15349 */ 15350 private int mRetries = 0; 15351 15352 /** User handle for the user requesting the information or installation. */ 15353 private final UserHandle mUser; 15354 String traceMethod; 15355 int traceCookie; 15356 15357 HandlerParams(UserHandle user) { 15358 mUser = user; 15359 } 15360 15361 UserHandle getUser() { 15362 return mUser; 15363 } 15364 15365 HandlerParams setTraceMethod(String traceMethod) { 15366 this.traceMethod = traceMethod; 15367 return this; 15368 } 15369 15370 HandlerParams setTraceCookie(int traceCookie) { 15371 this.traceCookie = traceCookie; 15372 return this; 15373 } 15374 15375 final boolean startCopy() { 15376 boolean res; 15377 try { 15378 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 15379 15380 if (++mRetries > MAX_RETRIES) { 15381 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 15382 mHandler.sendEmptyMessage(MCS_GIVE_UP); 15383 handleServiceError(); 15384 return false; 15385 } else { 15386 handleStartCopy(); 15387 res = true; 15388 } 15389 } catch (RemoteException e) { 15390 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 15391 mHandler.sendEmptyMessage(MCS_RECONNECT); 15392 res = false; 15393 } 15394 handleReturnCode(); 15395 return res; 15396 } 15397 15398 final void serviceError() { 15399 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 15400 handleServiceError(); 15401 handleReturnCode(); 15402 } 15403 15404 abstract void handleStartCopy() throws RemoteException; 15405 abstract void handleServiceError(); 15406 abstract void handleReturnCode(); 15407 } 15408 15409 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 15410 for (File path : paths) { 15411 try { 15412 mcs.clearDirectory(path.getAbsolutePath()); 15413 } catch (RemoteException e) { 15414 } 15415 } 15416 } 15417 15418 static class OriginInfo { 15419 /** 15420 * Location where install is coming from, before it has been 15421 * copied/renamed into place. This could be a single monolithic APK 15422 * file, or a cluster directory. This location may be untrusted. 15423 */ 15424 final File file; 15425 final String cid; 15426 15427 /** 15428 * Flag indicating that {@link #file} or {@link #cid} has already been 15429 * staged, meaning downstream users don't need to defensively copy the 15430 * contents. 15431 */ 15432 final boolean staged; 15433 15434 /** 15435 * Flag indicating that {@link #file} or {@link #cid} is an already 15436 * installed app that is being moved. 15437 */ 15438 final boolean existing; 15439 15440 final String resolvedPath; 15441 final File resolvedFile; 15442 15443 static OriginInfo fromNothing() { 15444 return new OriginInfo(null, null, false, false); 15445 } 15446 15447 static OriginInfo fromUntrustedFile(File file) { 15448 return new OriginInfo(file, null, false, false); 15449 } 15450 15451 static OriginInfo fromExistingFile(File file) { 15452 return new OriginInfo(file, null, false, true); 15453 } 15454 15455 static OriginInfo fromStagedFile(File file) { 15456 return new OriginInfo(file, null, true, false); 15457 } 15458 15459 static OriginInfo fromStagedContainer(String cid) { 15460 return new OriginInfo(null, cid, true, false); 15461 } 15462 15463 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 15464 this.file = file; 15465 this.cid = cid; 15466 this.staged = staged; 15467 this.existing = existing; 15468 15469 if (cid != null) { 15470 resolvedPath = PackageHelper.getSdDir(cid); 15471 resolvedFile = new File(resolvedPath); 15472 } else if (file != null) { 15473 resolvedPath = file.getAbsolutePath(); 15474 resolvedFile = file; 15475 } else { 15476 resolvedPath = null; 15477 resolvedFile = null; 15478 } 15479 } 15480 } 15481 15482 static class MoveInfo { 15483 final int moveId; 15484 final String fromUuid; 15485 final String toUuid; 15486 final String packageName; 15487 final String dataAppName; 15488 final int appId; 15489 final String seinfo; 15490 final int targetSdkVersion; 15491 15492 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 15493 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 15494 this.moveId = moveId; 15495 this.fromUuid = fromUuid; 15496 this.toUuid = toUuid; 15497 this.packageName = packageName; 15498 this.dataAppName = dataAppName; 15499 this.appId = appId; 15500 this.seinfo = seinfo; 15501 this.targetSdkVersion = targetSdkVersion; 15502 } 15503 } 15504 15505 static class VerificationInfo { 15506 /** A constant used to indicate that a uid value is not present. */ 15507 public static final int NO_UID = -1; 15508 15509 /** URI referencing where the package was downloaded from. */ 15510 final Uri originatingUri; 15511 15512 /** HTTP referrer URI associated with the originatingURI. */ 15513 final Uri referrer; 15514 15515 /** UID of the application that the install request originated from. */ 15516 final int originatingUid; 15517 15518 /** UID of application requesting the install */ 15519 final int installerUid; 15520 15521 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 15522 this.originatingUri = originatingUri; 15523 this.referrer = referrer; 15524 this.originatingUid = originatingUid; 15525 this.installerUid = installerUid; 15526 } 15527 } 15528 15529 class InstallParams extends HandlerParams { 15530 final OriginInfo origin; 15531 final MoveInfo move; 15532 final IPackageInstallObserver2 observer; 15533 int installFlags; 15534 final String installerPackageName; 15535 final String volumeUuid; 15536 private InstallArgs mArgs; 15537 private int mRet; 15538 final String packageAbiOverride; 15539 final String[] grantedRuntimePermissions; 15540 final VerificationInfo verificationInfo; 15541 final Certificate[][] certificates; 15542 final int installReason; 15543 15544 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 15545 int installFlags, String installerPackageName, String volumeUuid, 15546 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 15547 String[] grantedPermissions, Certificate[][] certificates, int installReason) { 15548 super(user); 15549 this.origin = origin; 15550 this.move = move; 15551 this.observer = observer; 15552 this.installFlags = installFlags; 15553 this.installerPackageName = installerPackageName; 15554 this.volumeUuid = volumeUuid; 15555 this.verificationInfo = verificationInfo; 15556 this.packageAbiOverride = packageAbiOverride; 15557 this.grantedRuntimePermissions = grantedPermissions; 15558 this.certificates = certificates; 15559 this.installReason = installReason; 15560 } 15561 15562 @Override 15563 public String toString() { 15564 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 15565 + " file=" + origin.file + " cid=" + origin.cid + "}"; 15566 } 15567 15568 private int installLocationPolicy(PackageInfoLite pkgLite) { 15569 String packageName = pkgLite.packageName; 15570 int installLocation = pkgLite.installLocation; 15571 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 15572 // reader 15573 synchronized (mPackages) { 15574 // Currently installed package which the new package is attempting to replace or 15575 // null if no such package is installed. 15576 PackageParser.Package installedPkg = mPackages.get(packageName); 15577 // Package which currently owns the data which the new package will own if installed. 15578 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 15579 // will be null whereas dataOwnerPkg will contain information about the package 15580 // which was uninstalled while keeping its data. 15581 PackageParser.Package dataOwnerPkg = installedPkg; 15582 if (dataOwnerPkg == null) { 15583 PackageSetting ps = mSettings.mPackages.get(packageName); 15584 if (ps != null) { 15585 dataOwnerPkg = ps.pkg; 15586 } 15587 } 15588 15589 if (dataOwnerPkg != null) { 15590 // If installed, the package will get access to data left on the device by its 15591 // predecessor. As a security measure, this is permited only if this is not a 15592 // version downgrade or if the predecessor package is marked as debuggable and 15593 // a downgrade is explicitly requested. 15594 // 15595 // On debuggable platform builds, downgrades are permitted even for 15596 // non-debuggable packages to make testing easier. Debuggable platform builds do 15597 // not offer security guarantees and thus it's OK to disable some security 15598 // mechanisms to make debugging/testing easier on those builds. However, even on 15599 // debuggable builds downgrades of packages are permitted only if requested via 15600 // installFlags. This is because we aim to keep the behavior of debuggable 15601 // platform builds as close as possible to the behavior of non-debuggable 15602 // platform builds. 15603 final boolean downgradeRequested = 15604 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 15605 final boolean packageDebuggable = 15606 (dataOwnerPkg.applicationInfo.flags 15607 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 15608 final boolean downgradePermitted = 15609 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 15610 if (!downgradePermitted) { 15611 try { 15612 checkDowngrade(dataOwnerPkg, pkgLite); 15613 } catch (PackageManagerException e) { 15614 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 15615 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 15616 } 15617 } 15618 } 15619 15620 if (installedPkg != null) { 15621 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 15622 // Check for updated system application. 15623 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 15624 if (onSd) { 15625 Slog.w(TAG, "Cannot install update to system app on sdcard"); 15626 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 15627 } 15628 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 15629 } else { 15630 if (onSd) { 15631 // Install flag overrides everything. 15632 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 15633 } 15634 // If current upgrade specifies particular preference 15635 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 15636 // Application explicitly specified internal. 15637 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 15638 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 15639 // App explictly prefers external. Let policy decide 15640 } else { 15641 // Prefer previous location 15642 if (isExternal(installedPkg)) { 15643 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 15644 } 15645 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 15646 } 15647 } 15648 } else { 15649 // Invalid install. Return error code 15650 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 15651 } 15652 } 15653 } 15654 // All the special cases have been taken care of. 15655 // Return result based on recommended install location. 15656 if (onSd) { 15657 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 15658 } 15659 return pkgLite.recommendedInstallLocation; 15660 } 15661 15662 /* 15663 * Invoke remote method to get package information and install 15664 * location values. Override install location based on default 15665 * policy if needed and then create install arguments based 15666 * on the install location. 15667 */ 15668 public void handleStartCopy() throws RemoteException { 15669 int ret = PackageManager.INSTALL_SUCCEEDED; 15670 15671 // If we're already staged, we've firmly committed to an install location 15672 if (origin.staged) { 15673 if (origin.file != null) { 15674 installFlags |= PackageManager.INSTALL_INTERNAL; 15675 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 15676 } else if (origin.cid != null) { 15677 installFlags |= PackageManager.INSTALL_EXTERNAL; 15678 installFlags &= ~PackageManager.INSTALL_INTERNAL; 15679 } else { 15680 throw new IllegalStateException("Invalid stage location"); 15681 } 15682 } 15683 15684 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 15685 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 15686 final boolean ephemeral = (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 15687 PackageInfoLite pkgLite = null; 15688 15689 if (onInt && onSd) { 15690 // Check if both bits are set. 15691 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 15692 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 15693 } else if (onSd && ephemeral) { 15694 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 15695 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 15696 } else { 15697 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 15698 packageAbiOverride); 15699 15700 if (DEBUG_EPHEMERAL && ephemeral) { 15701 Slog.v(TAG, "pkgLite for install: " + pkgLite); 15702 } 15703 15704 /* 15705 * If we have too little free space, try to free cache 15706 * before giving up. 15707 */ 15708 if (!origin.staged && pkgLite.recommendedInstallLocation 15709 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 15710 // TODO: focus freeing disk space on the target device 15711 final StorageManager storage = StorageManager.from(mContext); 15712 final long lowThreshold = storage.getStorageLowBytes( 15713 Environment.getDataDirectory()); 15714 15715 final long sizeBytes = mContainerService.calculateInstalledSize( 15716 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 15717 15718 try { 15719 mInstaller.freeCache(null, sizeBytes + lowThreshold, 0, 0); 15720 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 15721 installFlags, packageAbiOverride); 15722 } catch (InstallerException e) { 15723 Slog.w(TAG, "Failed to free cache", e); 15724 } 15725 15726 /* 15727 * The cache free must have deleted the file we 15728 * downloaded to install. 15729 * 15730 * TODO: fix the "freeCache" call to not delete 15731 * the file we care about. 15732 */ 15733 if (pkgLite.recommendedInstallLocation 15734 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 15735 pkgLite.recommendedInstallLocation 15736 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 15737 } 15738 } 15739 } 15740 15741 if (ret == PackageManager.INSTALL_SUCCEEDED) { 15742 int loc = pkgLite.recommendedInstallLocation; 15743 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 15744 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 15745 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 15746 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 15747 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 15748 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 15749 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 15750 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 15751 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 15752 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 15753 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 15754 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 15755 } else { 15756 // Override with defaults if needed. 15757 loc = installLocationPolicy(pkgLite); 15758 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 15759 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 15760 } else if (!onSd && !onInt) { 15761 // Override install location with flags 15762 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 15763 // Set the flag to install on external media. 15764 installFlags |= PackageManager.INSTALL_EXTERNAL; 15765 installFlags &= ~PackageManager.INSTALL_INTERNAL; 15766 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 15767 if (DEBUG_EPHEMERAL) { 15768 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 15769 } 15770 installFlags |= PackageManager.INSTALL_INSTANT_APP; 15771 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 15772 |PackageManager.INSTALL_INTERNAL); 15773 } else { 15774 // Make sure the flag for installing on external 15775 // media is unset 15776 installFlags |= PackageManager.INSTALL_INTERNAL; 15777 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 15778 } 15779 } 15780 } 15781 } 15782 15783 final InstallArgs args = createInstallArgs(this); 15784 mArgs = args; 15785 15786 if (ret == PackageManager.INSTALL_SUCCEEDED) { 15787 // TODO: http://b/22976637 15788 // Apps installed for "all" users use the device owner to verify the app 15789 UserHandle verifierUser = getUser(); 15790 if (verifierUser == UserHandle.ALL) { 15791 verifierUser = UserHandle.SYSTEM; 15792 } 15793 15794 /* 15795 * Determine if we have any installed package verifiers. If we 15796 * do, then we'll defer to them to verify the packages. 15797 */ 15798 final int requiredUid = mRequiredVerifierPackage == null ? -1 15799 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 15800 verifierUser.getIdentifier()); 15801 final int installerUid = 15802 verificationInfo == null ? -1 : verificationInfo.installerUid; 15803 if (!origin.existing && requiredUid != -1 15804 && isVerificationEnabled( 15805 verifierUser.getIdentifier(), installFlags, installerUid)) { 15806 final Intent verification = new Intent( 15807 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 15808 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 15809 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 15810 PACKAGE_MIME_TYPE); 15811 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 15812 15813 // Query all live verifiers based on current user state 15814 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 15815 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 15816 15817 if (DEBUG_VERIFY) { 15818 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 15819 + verification.toString() + " with " + pkgLite.verifiers.length 15820 + " optional verifiers"); 15821 } 15822 15823 final int verificationId = mPendingVerificationToken++; 15824 15825 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 15826 15827 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 15828 installerPackageName); 15829 15830 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 15831 installFlags); 15832 15833 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 15834 pkgLite.packageName); 15835 15836 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 15837 pkgLite.versionCode); 15838 15839 if (verificationInfo != null) { 15840 if (verificationInfo.originatingUri != null) { 15841 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 15842 verificationInfo.originatingUri); 15843 } 15844 if (verificationInfo.referrer != null) { 15845 verification.putExtra(Intent.EXTRA_REFERRER, 15846 verificationInfo.referrer); 15847 } 15848 if (verificationInfo.originatingUid >= 0) { 15849 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 15850 verificationInfo.originatingUid); 15851 } 15852 if (verificationInfo.installerUid >= 0) { 15853 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 15854 verificationInfo.installerUid); 15855 } 15856 } 15857 15858 final PackageVerificationState verificationState = new PackageVerificationState( 15859 requiredUid, args); 15860 15861 mPendingVerification.append(verificationId, verificationState); 15862 15863 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 15864 receivers, verificationState); 15865 15866 DeviceIdleController.LocalService idleController = getDeviceIdleController(); 15867 final long idleDuration = getVerificationTimeout(); 15868 15869 /* 15870 * If any sufficient verifiers were listed in the package 15871 * manifest, attempt to ask them. 15872 */ 15873 if (sufficientVerifiers != null) { 15874 final int N = sufficientVerifiers.size(); 15875 if (N == 0) { 15876 Slog.i(TAG, "Additional verifiers required, but none installed."); 15877 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 15878 } else { 15879 for (int i = 0; i < N; i++) { 15880 final ComponentName verifierComponent = sufficientVerifiers.get(i); 15881 idleController.addPowerSaveTempWhitelistApp(Process.myUid(), 15882 verifierComponent.getPackageName(), idleDuration, 15883 verifierUser.getIdentifier(), false, "package verifier"); 15884 15885 final Intent sufficientIntent = new Intent(verification); 15886 sufficientIntent.setComponent(verifierComponent); 15887 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 15888 } 15889 } 15890 } 15891 15892 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 15893 mRequiredVerifierPackage, receivers); 15894 if (ret == PackageManager.INSTALL_SUCCEEDED 15895 && mRequiredVerifierPackage != null) { 15896 Trace.asyncTraceBegin( 15897 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 15898 /* 15899 * Send the intent to the required verification agent, 15900 * but only start the verification timeout after the 15901 * target BroadcastReceivers have run. 15902 */ 15903 verification.setComponent(requiredVerifierComponent); 15904 idleController.addPowerSaveTempWhitelistApp(Process.myUid(), 15905 mRequiredVerifierPackage, idleDuration, 15906 verifierUser.getIdentifier(), false, "package verifier"); 15907 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 15908 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 15909 new BroadcastReceiver() { 15910 @Override 15911 public void onReceive(Context context, Intent intent) { 15912 final Message msg = mHandler 15913 .obtainMessage(CHECK_PENDING_VERIFICATION); 15914 msg.arg1 = verificationId; 15915 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 15916 } 15917 }, null, 0, null, null); 15918 15919 /* 15920 * We don't want the copy to proceed until verification 15921 * succeeds, so null out this field. 15922 */ 15923 mArgs = null; 15924 } 15925 } else { 15926 /* 15927 * No package verification is enabled, so immediately start 15928 * the remote call to initiate copy using temporary file. 15929 */ 15930 ret = args.copyApk(mContainerService, true); 15931 } 15932 } 15933 15934 mRet = ret; 15935 } 15936 15937 @Override 15938 void handleReturnCode() { 15939 // If mArgs is null, then MCS couldn't be reached. When it 15940 // reconnects, it will try again to install. At that point, this 15941 // will succeed. 15942 if (mArgs != null) { 15943 processPendingInstall(mArgs, mRet); 15944 } 15945 } 15946 15947 @Override 15948 void handleServiceError() { 15949 mArgs = createInstallArgs(this); 15950 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 15951 } 15952 15953 public boolean isForwardLocked() { 15954 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 15955 } 15956 } 15957 15958 /** 15959 * Used during creation of InstallArgs 15960 * 15961 * @param installFlags package installation flags 15962 * @return true if should be installed on external storage 15963 */ 15964 private static boolean installOnExternalAsec(int installFlags) { 15965 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 15966 return false; 15967 } 15968 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 15969 return true; 15970 } 15971 return false; 15972 } 15973 15974 /** 15975 * Used during creation of InstallArgs 15976 * 15977 * @param installFlags package installation flags 15978 * @return true if should be installed as forward locked 15979 */ 15980 private static boolean installForwardLocked(int installFlags) { 15981 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 15982 } 15983 15984 private InstallArgs createInstallArgs(InstallParams params) { 15985 if (params.move != null) { 15986 return new MoveInstallArgs(params); 15987 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 15988 return new AsecInstallArgs(params); 15989 } else { 15990 return new FileInstallArgs(params); 15991 } 15992 } 15993 15994 /** 15995 * Create args that describe an existing installed package. Typically used 15996 * when cleaning up old installs, or used as a move source. 15997 */ 15998 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 15999 String resourcePath, String[] instructionSets) { 16000 final boolean isInAsec; 16001 if (installOnExternalAsec(installFlags)) { 16002 /* Apps on SD card are always in ASEC containers. */ 16003 isInAsec = true; 16004 } else if (installForwardLocked(installFlags) 16005 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 16006 /* 16007 * Forward-locked apps are only in ASEC containers if they're the 16008 * new style 16009 */ 16010 isInAsec = true; 16011 } else { 16012 isInAsec = false; 16013 } 16014 16015 if (isInAsec) { 16016 return new AsecInstallArgs(codePath, instructionSets, 16017 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 16018 } else { 16019 return new FileInstallArgs(codePath, resourcePath, instructionSets); 16020 } 16021 } 16022 16023 static abstract class InstallArgs { 16024 /** @see InstallParams#origin */ 16025 final OriginInfo origin; 16026 /** @see InstallParams#move */ 16027 final MoveInfo move; 16028 16029 final IPackageInstallObserver2 observer; 16030 // Always refers to PackageManager flags only 16031 final int installFlags; 16032 final String installerPackageName; 16033 final String volumeUuid; 16034 final UserHandle user; 16035 final String abiOverride; 16036 final String[] installGrantPermissions; 16037 /** If non-null, drop an async trace when the install completes */ 16038 final String traceMethod; 16039 final int traceCookie; 16040 final Certificate[][] certificates; 16041 final int installReason; 16042 16043 // The list of instruction sets supported by this app. This is currently 16044 // only used during the rmdex() phase to clean up resources. We can get rid of this 16045 // if we move dex files under the common app path. 16046 /* nullable */ String[] instructionSets; 16047 16048 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 16049 int installFlags, String installerPackageName, String volumeUuid, 16050 UserHandle user, String[] instructionSets, 16051 String abiOverride, String[] installGrantPermissions, 16052 String traceMethod, int traceCookie, Certificate[][] certificates, 16053 int installReason) { 16054 this.origin = origin; 16055 this.move = move; 16056 this.installFlags = installFlags; 16057 this.observer = observer; 16058 this.installerPackageName = installerPackageName; 16059 this.volumeUuid = volumeUuid; 16060 this.user = user; 16061 this.instructionSets = instructionSets; 16062 this.abiOverride = abiOverride; 16063 this.installGrantPermissions = installGrantPermissions; 16064 this.traceMethod = traceMethod; 16065 this.traceCookie = traceCookie; 16066 this.certificates = certificates; 16067 this.installReason = installReason; 16068 } 16069 16070 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 16071 abstract int doPreInstall(int status); 16072 16073 /** 16074 * Rename package into final resting place. All paths on the given 16075 * scanned package should be updated to reflect the rename. 16076 */ 16077 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 16078 abstract int doPostInstall(int status, int uid); 16079 16080 /** @see PackageSettingBase#codePathString */ 16081 abstract String getCodePath(); 16082 /** @see PackageSettingBase#resourcePathString */ 16083 abstract String getResourcePath(); 16084 16085 // Need installer lock especially for dex file removal. 16086 abstract void cleanUpResourcesLI(); 16087 abstract boolean doPostDeleteLI(boolean delete); 16088 16089 /** 16090 * Called before the source arguments are copied. This is used mostly 16091 * for MoveParams when it needs to read the source file to put it in the 16092 * destination. 16093 */ 16094 int doPreCopy() { 16095 return PackageManager.INSTALL_SUCCEEDED; 16096 } 16097 16098 /** 16099 * Called after the source arguments are copied. This is used mostly for 16100 * MoveParams when it needs to read the source file to put it in the 16101 * destination. 16102 */ 16103 int doPostCopy(int uid) { 16104 return PackageManager.INSTALL_SUCCEEDED; 16105 } 16106 16107 protected boolean isFwdLocked() { 16108 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 16109 } 16110 16111 protected boolean isExternalAsec() { 16112 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 16113 } 16114 16115 protected boolean isEphemeral() { 16116 return (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 16117 } 16118 16119 UserHandle getUser() { 16120 return user; 16121 } 16122 } 16123 16124 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 16125 if (!allCodePaths.isEmpty()) { 16126 if (instructionSets == null) { 16127 throw new IllegalStateException("instructionSet == null"); 16128 } 16129 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 16130 for (String codePath : allCodePaths) { 16131 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 16132 try { 16133 mInstaller.rmdex(codePath, dexCodeInstructionSet); 16134 } catch (InstallerException ignored) { 16135 } 16136 } 16137 } 16138 } 16139 } 16140 16141 /** 16142 * Logic to handle installation of non-ASEC applications, including copying 16143 * and renaming logic. 16144 */ 16145 class FileInstallArgs extends InstallArgs { 16146 private File codeFile; 16147 private File resourceFile; 16148 16149 // Example topology: 16150 // /data/app/com.example/base.apk 16151 // /data/app/com.example/split_foo.apk 16152 // /data/app/com.example/lib/arm/libfoo.so 16153 // /data/app/com.example/lib/arm64/libfoo.so 16154 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 16155 16156 /** New install */ 16157 FileInstallArgs(InstallParams params) { 16158 super(params.origin, params.move, params.observer, params.installFlags, 16159 params.installerPackageName, params.volumeUuid, 16160 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 16161 params.grantedRuntimePermissions, 16162 params.traceMethod, params.traceCookie, params.certificates, 16163 params.installReason); 16164 if (isFwdLocked()) { 16165 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 16166 } 16167 } 16168 16169 /** Existing install */ 16170 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 16171 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 16172 null, null, null, 0, null /*certificates*/, 16173 PackageManager.INSTALL_REASON_UNKNOWN); 16174 this.codeFile = (codePath != null) ? new File(codePath) : null; 16175 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 16176 } 16177 16178 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 16179 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 16180 try { 16181 return doCopyApk(imcs, temp); 16182 } finally { 16183 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16184 } 16185 } 16186 16187 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 16188 if (origin.staged) { 16189 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 16190 codeFile = origin.file; 16191 resourceFile = origin.file; 16192 return PackageManager.INSTALL_SUCCEEDED; 16193 } 16194 16195 try { 16196 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 16197 final File tempDir = 16198 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 16199 codeFile = tempDir; 16200 resourceFile = tempDir; 16201 } catch (IOException e) { 16202 Slog.w(TAG, "Failed to create copy file: " + e); 16203 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 16204 } 16205 16206 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 16207 @Override 16208 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 16209 if (!FileUtils.isValidExtFilename(name)) { 16210 throw new IllegalArgumentException("Invalid filename: " + name); 16211 } 16212 try { 16213 final File file = new File(codeFile, name); 16214 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 16215 O_RDWR | O_CREAT, 0644); 16216 Os.chmod(file.getAbsolutePath(), 0644); 16217 return new ParcelFileDescriptor(fd); 16218 } catch (ErrnoException e) { 16219 throw new RemoteException("Failed to open: " + e.getMessage()); 16220 } 16221 } 16222 }; 16223 16224 int ret = PackageManager.INSTALL_SUCCEEDED; 16225 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 16226 if (ret != PackageManager.INSTALL_SUCCEEDED) { 16227 Slog.e(TAG, "Failed to copy package"); 16228 return ret; 16229 } 16230 16231 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 16232 NativeLibraryHelper.Handle handle = null; 16233 try { 16234 handle = NativeLibraryHelper.Handle.create(codeFile); 16235 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 16236 abiOverride); 16237 } catch (IOException e) { 16238 Slog.e(TAG, "Copying native libraries failed", e); 16239 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 16240 } finally { 16241 IoUtils.closeQuietly(handle); 16242 } 16243 16244 return ret; 16245 } 16246 16247 int doPreInstall(int status) { 16248 if (status != PackageManager.INSTALL_SUCCEEDED) { 16249 cleanUp(); 16250 } 16251 return status; 16252 } 16253 16254 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 16255 if (status != PackageManager.INSTALL_SUCCEEDED) { 16256 cleanUp(); 16257 return false; 16258 } 16259 16260 final File targetDir = codeFile.getParentFile(); 16261 final File beforeCodeFile = codeFile; 16262 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 16263 16264 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 16265 try { 16266 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 16267 } catch (ErrnoException e) { 16268 Slog.w(TAG, "Failed to rename", e); 16269 return false; 16270 } 16271 16272 if (!SELinux.restoreconRecursive(afterCodeFile)) { 16273 Slog.w(TAG, "Failed to restorecon"); 16274 return false; 16275 } 16276 16277 // Reflect the rename internally 16278 codeFile = afterCodeFile; 16279 resourceFile = afterCodeFile; 16280 16281 // Reflect the rename in scanned details 16282 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 16283 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 16284 afterCodeFile, pkg.baseCodePath)); 16285 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 16286 afterCodeFile, pkg.splitCodePaths)); 16287 16288 // Reflect the rename in app info 16289 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 16290 pkg.setApplicationInfoCodePath(pkg.codePath); 16291 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 16292 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 16293 pkg.setApplicationInfoResourcePath(pkg.codePath); 16294 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 16295 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 16296 16297 return true; 16298 } 16299 16300 int doPostInstall(int status, int uid) { 16301 if (status != PackageManager.INSTALL_SUCCEEDED) { 16302 cleanUp(); 16303 } 16304 return status; 16305 } 16306 16307 @Override 16308 String getCodePath() { 16309 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 16310 } 16311 16312 @Override 16313 String getResourcePath() { 16314 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 16315 } 16316 16317 private boolean cleanUp() { 16318 if (codeFile == null || !codeFile.exists()) { 16319 return false; 16320 } 16321 16322 removeCodePathLI(codeFile); 16323 16324 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 16325 resourceFile.delete(); 16326 } 16327 16328 return true; 16329 } 16330 16331 void cleanUpResourcesLI() { 16332 // Try enumerating all code paths before deleting 16333 List<String> allCodePaths = Collections.EMPTY_LIST; 16334 if (codeFile != null && codeFile.exists()) { 16335 try { 16336 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 16337 allCodePaths = pkg.getAllCodePaths(); 16338 } catch (PackageParserException e) { 16339 // Ignored; we tried our best 16340 } 16341 } 16342 16343 cleanUp(); 16344 removeDexFiles(allCodePaths, instructionSets); 16345 } 16346 16347 boolean doPostDeleteLI(boolean delete) { 16348 // XXX err, shouldn't we respect the delete flag? 16349 cleanUpResourcesLI(); 16350 return true; 16351 } 16352 } 16353 16354 private boolean isAsecExternal(String cid) { 16355 final String asecPath = PackageHelper.getSdFilesystem(cid); 16356 return !asecPath.startsWith(mAsecInternalPath); 16357 } 16358 16359 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 16360 PackageManagerException { 16361 if (copyRet < 0) { 16362 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 16363 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 16364 throw new PackageManagerException(copyRet, message); 16365 } 16366 } 16367 } 16368 16369 /** 16370 * Extract the StorageManagerService "container ID" from the full code path of an 16371 * .apk. 16372 */ 16373 static String cidFromCodePath(String fullCodePath) { 16374 int eidx = fullCodePath.lastIndexOf("/"); 16375 String subStr1 = fullCodePath.substring(0, eidx); 16376 int sidx = subStr1.lastIndexOf("/"); 16377 return subStr1.substring(sidx+1, eidx); 16378 } 16379 16380 /** 16381 * Logic to handle installation of ASEC applications, including copying and 16382 * renaming logic. 16383 */ 16384 class AsecInstallArgs extends InstallArgs { 16385 static final String RES_FILE_NAME = "pkg.apk"; 16386 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 16387 16388 String cid; 16389 String packagePath; 16390 String resourcePath; 16391 16392 /** New install */ 16393 AsecInstallArgs(InstallParams params) { 16394 super(params.origin, params.move, params.observer, params.installFlags, 16395 params.installerPackageName, params.volumeUuid, 16396 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 16397 params.grantedRuntimePermissions, 16398 params.traceMethod, params.traceCookie, params.certificates, 16399 params.installReason); 16400 } 16401 16402 /** Existing install */ 16403 AsecInstallArgs(String fullCodePath, String[] instructionSets, 16404 boolean isExternal, boolean isForwardLocked) { 16405 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 16406 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 16407 instructionSets, null, null, null, 0, null /*certificates*/, 16408 PackageManager.INSTALL_REASON_UNKNOWN); 16409 // Hackily pretend we're still looking at a full code path 16410 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 16411 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 16412 } 16413 16414 // Extract cid from fullCodePath 16415 int eidx = fullCodePath.lastIndexOf("/"); 16416 String subStr1 = fullCodePath.substring(0, eidx); 16417 int sidx = subStr1.lastIndexOf("/"); 16418 cid = subStr1.substring(sidx+1, eidx); 16419 setMountPath(subStr1); 16420 } 16421 16422 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 16423 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 16424 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 16425 instructionSets, null, null, null, 0, null /*certificates*/, 16426 PackageManager.INSTALL_REASON_UNKNOWN); 16427 this.cid = cid; 16428 setMountPath(PackageHelper.getSdDir(cid)); 16429 } 16430 16431 void createCopyFile() { 16432 cid = mInstallerService.allocateExternalStageCidLegacy(); 16433 } 16434 16435 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 16436 if (origin.staged && origin.cid != null) { 16437 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 16438 cid = origin.cid; 16439 setMountPath(PackageHelper.getSdDir(cid)); 16440 return PackageManager.INSTALL_SUCCEEDED; 16441 } 16442 16443 if (temp) { 16444 createCopyFile(); 16445 } else { 16446 /* 16447 * Pre-emptively destroy the container since it's destroyed if 16448 * copying fails due to it existing anyway. 16449 */ 16450 PackageHelper.destroySdDir(cid); 16451 } 16452 16453 final String newMountPath = imcs.copyPackageToContainer( 16454 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 16455 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 16456 16457 if (newMountPath != null) { 16458 setMountPath(newMountPath); 16459 return PackageManager.INSTALL_SUCCEEDED; 16460 } else { 16461 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 16462 } 16463 } 16464 16465 @Override 16466 String getCodePath() { 16467 return packagePath; 16468 } 16469 16470 @Override 16471 String getResourcePath() { 16472 return resourcePath; 16473 } 16474 16475 int doPreInstall(int status) { 16476 if (status != PackageManager.INSTALL_SUCCEEDED) { 16477 // Destroy container 16478 PackageHelper.destroySdDir(cid); 16479 } else { 16480 boolean mounted = PackageHelper.isContainerMounted(cid); 16481 if (!mounted) { 16482 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 16483 Process.SYSTEM_UID); 16484 if (newMountPath != null) { 16485 setMountPath(newMountPath); 16486 } else { 16487 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 16488 } 16489 } 16490 } 16491 return status; 16492 } 16493 16494 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 16495 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 16496 String newMountPath = null; 16497 if (PackageHelper.isContainerMounted(cid)) { 16498 // Unmount the container 16499 if (!PackageHelper.unMountSdDir(cid)) { 16500 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 16501 return false; 16502 } 16503 } 16504 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 16505 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 16506 " which might be stale. Will try to clean up."); 16507 // Clean up the stale container and proceed to recreate. 16508 if (!PackageHelper.destroySdDir(newCacheId)) { 16509 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 16510 return false; 16511 } 16512 // Successfully cleaned up stale container. Try to rename again. 16513 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 16514 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 16515 + " inspite of cleaning it up."); 16516 return false; 16517 } 16518 } 16519 if (!PackageHelper.isContainerMounted(newCacheId)) { 16520 Slog.w(TAG, "Mounting container " + newCacheId); 16521 newMountPath = PackageHelper.mountSdDir(newCacheId, 16522 getEncryptKey(), Process.SYSTEM_UID); 16523 } else { 16524 newMountPath = PackageHelper.getSdDir(newCacheId); 16525 } 16526 if (newMountPath == null) { 16527 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 16528 return false; 16529 } 16530 Log.i(TAG, "Succesfully renamed " + cid + 16531 " to " + newCacheId + 16532 " at new path: " + newMountPath); 16533 cid = newCacheId; 16534 16535 final File beforeCodeFile = new File(packagePath); 16536 setMountPath(newMountPath); 16537 final File afterCodeFile = new File(packagePath); 16538 16539 // Reflect the rename in scanned details 16540 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 16541 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 16542 afterCodeFile, pkg.baseCodePath)); 16543 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 16544 afterCodeFile, pkg.splitCodePaths)); 16545 16546 // Reflect the rename in app info 16547 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 16548 pkg.setApplicationInfoCodePath(pkg.codePath); 16549 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 16550 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 16551 pkg.setApplicationInfoResourcePath(pkg.codePath); 16552 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 16553 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 16554 16555 return true; 16556 } 16557 16558 private void setMountPath(String mountPath) { 16559 final File mountFile = new File(mountPath); 16560 16561 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 16562 if (monolithicFile.exists()) { 16563 packagePath = monolithicFile.getAbsolutePath(); 16564 if (isFwdLocked()) { 16565 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 16566 } else { 16567 resourcePath = packagePath; 16568 } 16569 } else { 16570 packagePath = mountFile.getAbsolutePath(); 16571 resourcePath = packagePath; 16572 } 16573 } 16574 16575 int doPostInstall(int status, int uid) { 16576 if (status != PackageManager.INSTALL_SUCCEEDED) { 16577 cleanUp(); 16578 } else { 16579 final int groupOwner; 16580 final String protectedFile; 16581 if (isFwdLocked()) { 16582 groupOwner = UserHandle.getSharedAppGid(uid); 16583 protectedFile = RES_FILE_NAME; 16584 } else { 16585 groupOwner = -1; 16586 protectedFile = null; 16587 } 16588 16589 if (uid < Process.FIRST_APPLICATION_UID 16590 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 16591 Slog.e(TAG, "Failed to finalize " + cid); 16592 PackageHelper.destroySdDir(cid); 16593 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 16594 } 16595 16596 boolean mounted = PackageHelper.isContainerMounted(cid); 16597 if (!mounted) { 16598 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 16599 } 16600 } 16601 return status; 16602 } 16603 16604 private void cleanUp() { 16605 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 16606 16607 // Destroy secure container 16608 PackageHelper.destroySdDir(cid); 16609 } 16610 16611 private List<String> getAllCodePaths() { 16612 final File codeFile = new File(getCodePath()); 16613 if (codeFile != null && codeFile.exists()) { 16614 try { 16615 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 16616 return pkg.getAllCodePaths(); 16617 } catch (PackageParserException e) { 16618 // Ignored; we tried our best 16619 } 16620 } 16621 return Collections.EMPTY_LIST; 16622 } 16623 16624 void cleanUpResourcesLI() { 16625 // Enumerate all code paths before deleting 16626 cleanUpResourcesLI(getAllCodePaths()); 16627 } 16628 16629 private void cleanUpResourcesLI(List<String> allCodePaths) { 16630 cleanUp(); 16631 removeDexFiles(allCodePaths, instructionSets); 16632 } 16633 16634 String getPackageName() { 16635 return getAsecPackageName(cid); 16636 } 16637 16638 boolean doPostDeleteLI(boolean delete) { 16639 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 16640 final List<String> allCodePaths = getAllCodePaths(); 16641 boolean mounted = PackageHelper.isContainerMounted(cid); 16642 if (mounted) { 16643 // Unmount first 16644 if (PackageHelper.unMountSdDir(cid)) { 16645 mounted = false; 16646 } 16647 } 16648 if (!mounted && delete) { 16649 cleanUpResourcesLI(allCodePaths); 16650 } 16651 return !mounted; 16652 } 16653 16654 @Override 16655 int doPreCopy() { 16656 if (isFwdLocked()) { 16657 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 16658 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 16659 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 16660 } 16661 } 16662 16663 return PackageManager.INSTALL_SUCCEEDED; 16664 } 16665 16666 @Override 16667 int doPostCopy(int uid) { 16668 if (isFwdLocked()) { 16669 if (uid < Process.FIRST_APPLICATION_UID 16670 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 16671 RES_FILE_NAME)) { 16672 Slog.e(TAG, "Failed to finalize " + cid); 16673 PackageHelper.destroySdDir(cid); 16674 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 16675 } 16676 } 16677 16678 return PackageManager.INSTALL_SUCCEEDED; 16679 } 16680 } 16681 16682 /** 16683 * Logic to handle movement of existing installed applications. 16684 */ 16685 class MoveInstallArgs extends InstallArgs { 16686 private File codeFile; 16687 private File resourceFile; 16688 16689 /** New install */ 16690 MoveInstallArgs(InstallParams params) { 16691 super(params.origin, params.move, params.observer, params.installFlags, 16692 params.installerPackageName, params.volumeUuid, 16693 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 16694 params.grantedRuntimePermissions, 16695 params.traceMethod, params.traceCookie, params.certificates, 16696 params.installReason); 16697 } 16698 16699 int copyApk(IMediaContainerService imcs, boolean temp) { 16700 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 16701 + move.fromUuid + " to " + move.toUuid); 16702 synchronized (mInstaller) { 16703 try { 16704 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 16705 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 16706 } catch (InstallerException e) { 16707 Slog.w(TAG, "Failed to move app", e); 16708 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 16709 } 16710 } 16711 16712 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 16713 resourceFile = codeFile; 16714 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 16715 16716 return PackageManager.INSTALL_SUCCEEDED; 16717 } 16718 16719 int doPreInstall(int status) { 16720 if (status != PackageManager.INSTALL_SUCCEEDED) { 16721 cleanUp(move.toUuid); 16722 } 16723 return status; 16724 } 16725 16726 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 16727 if (status != PackageManager.INSTALL_SUCCEEDED) { 16728 cleanUp(move.toUuid); 16729 return false; 16730 } 16731 16732 // Reflect the move in app info 16733 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 16734 pkg.setApplicationInfoCodePath(pkg.codePath); 16735 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 16736 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 16737 pkg.setApplicationInfoResourcePath(pkg.codePath); 16738 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 16739 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 16740 16741 return true; 16742 } 16743 16744 int doPostInstall(int status, int uid) { 16745 if (status == PackageManager.INSTALL_SUCCEEDED) { 16746 cleanUp(move.fromUuid); 16747 } else { 16748 cleanUp(move.toUuid); 16749 } 16750 return status; 16751 } 16752 16753 @Override 16754 String getCodePath() { 16755 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 16756 } 16757 16758 @Override 16759 String getResourcePath() { 16760 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 16761 } 16762 16763 private boolean cleanUp(String volumeUuid) { 16764 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 16765 move.dataAppName); 16766 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 16767 final int[] userIds = sUserManager.getUserIds(); 16768 synchronized (mInstallLock) { 16769 // Clean up both app data and code 16770 // All package moves are frozen until finished 16771 for (int userId : userIds) { 16772 try { 16773 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 16774 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 16775 } catch (InstallerException e) { 16776 Slog.w(TAG, String.valueOf(e)); 16777 } 16778 } 16779 removeCodePathLI(codeFile); 16780 } 16781 return true; 16782 } 16783 16784 void cleanUpResourcesLI() { 16785 throw new UnsupportedOperationException(); 16786 } 16787 16788 boolean doPostDeleteLI(boolean delete) { 16789 throw new UnsupportedOperationException(); 16790 } 16791 } 16792 16793 static String getAsecPackageName(String packageCid) { 16794 int idx = packageCid.lastIndexOf("-"); 16795 if (idx == -1) { 16796 return packageCid; 16797 } 16798 return packageCid.substring(0, idx); 16799 } 16800 16801 // Utility method used to create code paths based on package name and available index. 16802 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 16803 String idxStr = ""; 16804 int idx = 1; 16805 // Fall back to default value of idx=1 if prefix is not 16806 // part of oldCodePath 16807 if (oldCodePath != null) { 16808 String subStr = oldCodePath; 16809 // Drop the suffix right away 16810 if (suffix != null && subStr.endsWith(suffix)) { 16811 subStr = subStr.substring(0, subStr.length() - suffix.length()); 16812 } 16813 // If oldCodePath already contains prefix find out the 16814 // ending index to either increment or decrement. 16815 int sidx = subStr.lastIndexOf(prefix); 16816 if (sidx != -1) { 16817 subStr = subStr.substring(sidx + prefix.length()); 16818 if (subStr != null) { 16819 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 16820 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 16821 } 16822 try { 16823 idx = Integer.parseInt(subStr); 16824 if (idx <= 1) { 16825 idx++; 16826 } else { 16827 idx--; 16828 } 16829 } catch(NumberFormatException e) { 16830 } 16831 } 16832 } 16833 } 16834 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 16835 return prefix + idxStr; 16836 } 16837 16838 private File getNextCodePath(File targetDir, String packageName) { 16839 File result; 16840 SecureRandom random = new SecureRandom(); 16841 byte[] bytes = new byte[16]; 16842 do { 16843 random.nextBytes(bytes); 16844 String suffix = Base64.encodeToString(bytes, Base64.URL_SAFE | Base64.NO_WRAP); 16845 result = new File(targetDir, packageName + "-" + suffix); 16846 } while (result.exists()); 16847 return result; 16848 } 16849 16850 // Utility method that returns the relative package path with respect 16851 // to the installation directory. Like say for /data/data/com.test-1.apk 16852 // string com.test-1 is returned. 16853 static String deriveCodePathName(String codePath) { 16854 if (codePath == null) { 16855 return null; 16856 } 16857 final File codeFile = new File(codePath); 16858 final String name = codeFile.getName(); 16859 if (codeFile.isDirectory()) { 16860 return name; 16861 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 16862 final int lastDot = name.lastIndexOf('.'); 16863 return name.substring(0, lastDot); 16864 } else { 16865 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 16866 return null; 16867 } 16868 } 16869 16870 static class PackageInstalledInfo { 16871 String name; 16872 int uid; 16873 // The set of users that originally had this package installed. 16874 int[] origUsers; 16875 // The set of users that now have this package installed. 16876 int[] newUsers; 16877 PackageParser.Package pkg; 16878 int returnCode; 16879 String returnMsg; 16880 PackageRemovedInfo removedInfo; 16881 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 16882 16883 public void setError(int code, String msg) { 16884 setReturnCode(code); 16885 setReturnMessage(msg); 16886 Slog.w(TAG, msg); 16887 } 16888 16889 public void setError(String msg, PackageParserException e) { 16890 setReturnCode(e.error); 16891 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 16892 Slog.w(TAG, msg, e); 16893 } 16894 16895 public void setError(String msg, PackageManagerException e) { 16896 returnCode = e.error; 16897 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 16898 Slog.w(TAG, msg, e); 16899 } 16900 16901 public void setReturnCode(int returnCode) { 16902 this.returnCode = returnCode; 16903 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 16904 for (int i = 0; i < childCount; i++) { 16905 addedChildPackages.valueAt(i).returnCode = returnCode; 16906 } 16907 } 16908 16909 private void setReturnMessage(String returnMsg) { 16910 this.returnMsg = returnMsg; 16911 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 16912 for (int i = 0; i < childCount; i++) { 16913 addedChildPackages.valueAt(i).returnMsg = returnMsg; 16914 } 16915 } 16916 16917 // In some error cases we want to convey more info back to the observer 16918 String origPackage; 16919 String origPermission; 16920 } 16921 16922 /* 16923 * Install a non-existing package. 16924 */ 16925 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 16926 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 16927 PackageInstalledInfo res, int installReason) { 16928 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 16929 16930 // Remember this for later, in case we need to rollback this install 16931 String pkgName = pkg.packageName; 16932 16933 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 16934 16935 synchronized(mPackages) { 16936 final String renamedPackage = mSettings.getRenamedPackageLPr(pkgName); 16937 if (renamedPackage != null) { 16938 // A package with the same name is already installed, though 16939 // it has been renamed to an older name. The package we 16940 // are trying to install should be installed as an update to 16941 // the existing one, but that has not been requested, so bail. 16942 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 16943 + " without first uninstalling package running as " 16944 + renamedPackage); 16945 return; 16946 } 16947 if (mPackages.containsKey(pkgName)) { 16948 // Don't allow installation over an existing package with the same name. 16949 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 16950 + " without first uninstalling."); 16951 return; 16952 } 16953 } 16954 16955 try { 16956 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 16957 System.currentTimeMillis(), user); 16958 16959 updateSettingsLI(newPackage, installerPackageName, null, res, user, installReason); 16960 16961 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 16962 prepareAppDataAfterInstallLIF(newPackage); 16963 16964 } else { 16965 // Remove package from internal structures, but keep around any 16966 // data that might have already existed 16967 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 16968 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 16969 } 16970 } catch (PackageManagerException e) { 16971 res.setError("Package couldn't be installed in " + pkg.codePath, e); 16972 } 16973 16974 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16975 } 16976 16977 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 16978 // Can't rotate keys during boot or if sharedUser. 16979 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 16980 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 16981 return false; 16982 } 16983 // app is using upgradeKeySets; make sure all are valid 16984 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16985 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 16986 for (int i = 0; i < upgradeKeySets.length; i++) { 16987 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 16988 Slog.wtf(TAG, "Package " 16989 + (oldPs.name != null ? oldPs.name : "<null>") 16990 + " contains upgrade-key-set reference to unknown key-set: " 16991 + upgradeKeySets[i] 16992 + " reverting to signatures check."); 16993 return false; 16994 } 16995 } 16996 return true; 16997 } 16998 16999 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 17000 // Upgrade keysets are being used. Determine if new package has a superset of the 17001 // required keys. 17002 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 17003 KeySetManagerService ksms = mSettings.mKeySetManagerService; 17004 for (int i = 0; i < upgradeKeySets.length; i++) { 17005 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 17006 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 17007 return true; 17008 } 17009 } 17010 return false; 17011 } 17012 17013 private static void updateDigest(MessageDigest digest, File file) throws IOException { 17014 try (DigestInputStream digestStream = 17015 new DigestInputStream(new FileInputStream(file), digest)) { 17016 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 17017 } 17018 } 17019 17020 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 17021 UserHandle user, String installerPackageName, PackageInstalledInfo res, 17022 int installReason) { 17023 final boolean isInstantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 17024 17025 final PackageParser.Package oldPackage; 17026 final PackageSetting ps; 17027 final String pkgName = pkg.packageName; 17028 final int[] allUsers; 17029 final int[] installedUsers; 17030 17031 synchronized(mPackages) { 17032 oldPackage = mPackages.get(pkgName); 17033 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 17034 17035 // don't allow upgrade to target a release SDK from a pre-release SDK 17036 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 17037 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 17038 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 17039 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 17040 if (oldTargetsPreRelease 17041 && !newTargetsPreRelease 17042 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 17043 Slog.w(TAG, "Can't install package targeting released sdk"); 17044 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 17045 return; 17046 } 17047 17048 ps = mSettings.mPackages.get(pkgName); 17049 17050 // verify signatures are valid 17051 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 17052 if (!checkUpgradeKeySetLP(ps, pkg)) { 17053 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 17054 "New package not signed by keys specified by upgrade-keysets: " 17055 + pkgName); 17056 return; 17057 } 17058 } else { 17059 // default to original signature matching 17060 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 17061 != PackageManager.SIGNATURE_MATCH) { 17062 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 17063 "New package has a different signature: " + pkgName); 17064 return; 17065 } 17066 } 17067 17068 // don't allow a system upgrade unless the upgrade hash matches 17069 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 17070 byte[] digestBytes = null; 17071 try { 17072 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 17073 updateDigest(digest, new File(pkg.baseCodePath)); 17074 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 17075 for (String path : pkg.splitCodePaths) { 17076 updateDigest(digest, new File(path)); 17077 } 17078 } 17079 digestBytes = digest.digest(); 17080 } catch (NoSuchAlgorithmException | IOException e) { 17081 res.setError(INSTALL_FAILED_INVALID_APK, 17082 "Could not compute hash: " + pkgName); 17083 return; 17084 } 17085 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 17086 res.setError(INSTALL_FAILED_INVALID_APK, 17087 "New package fails restrict-update check: " + pkgName); 17088 return; 17089 } 17090 // retain upgrade restriction 17091 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 17092 } 17093 17094 // Check for shared user id changes 17095 String invalidPackageName = 17096 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 17097 if (invalidPackageName != null) { 17098 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 17099 "Package " + invalidPackageName + " tried to change user " 17100 + oldPackage.mSharedUserId); 17101 return; 17102 } 17103 17104 // In case of rollback, remember per-user/profile install state 17105 allUsers = sUserManager.getUserIds(); 17106 installedUsers = ps.queryInstalledUsers(allUsers, true); 17107 17108 // don't allow an upgrade from full to ephemeral 17109 if (isInstantApp) { 17110 if (user == null || user.getIdentifier() == UserHandle.USER_ALL) { 17111 for (int currentUser : allUsers) { 17112 if (!ps.getInstantApp(currentUser)) { 17113 // can't downgrade from full to instant 17114 Slog.w(TAG, "Can't replace full app with instant app: " + pkgName 17115 + " for user: " + currentUser); 17116 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 17117 return; 17118 } 17119 } 17120 } else if (!ps.getInstantApp(user.getIdentifier())) { 17121 // can't downgrade from full to instant 17122 Slog.w(TAG, "Can't replace full app with instant app: " + pkgName 17123 + " for user: " + user.getIdentifier()); 17124 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 17125 return; 17126 } 17127 } 17128 } 17129 17130 // Update what is removed 17131 res.removedInfo = new PackageRemovedInfo(this); 17132 res.removedInfo.uid = oldPackage.applicationInfo.uid; 17133 res.removedInfo.removedPackage = oldPackage.packageName; 17134 res.removedInfo.installerPackageName = ps.installerPackageName; 17135 res.removedInfo.isStaticSharedLib = pkg.staticSharedLibName != null; 17136 res.removedInfo.isUpdate = true; 17137 res.removedInfo.origUsers = installedUsers; 17138 res.removedInfo.installReasons = new SparseArray<>(installedUsers.length); 17139 for (int i = 0; i < installedUsers.length; i++) { 17140 final int userId = installedUsers[i]; 17141 res.removedInfo.installReasons.put(userId, ps.getInstallReason(userId)); 17142 } 17143 17144 final int childCount = (oldPackage.childPackages != null) 17145 ? oldPackage.childPackages.size() : 0; 17146 for (int i = 0; i < childCount; i++) { 17147 boolean childPackageUpdated = false; 17148 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 17149 final PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 17150 if (res.addedChildPackages != null) { 17151 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 17152 if (childRes != null) { 17153 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 17154 childRes.removedInfo.removedPackage = childPkg.packageName; 17155 if (childPs != null) { 17156 childRes.removedInfo.installerPackageName = childPs.installerPackageName; 17157 } 17158 childRes.removedInfo.isUpdate = true; 17159 childRes.removedInfo.installReasons = res.removedInfo.installReasons; 17160 childPackageUpdated = true; 17161 } 17162 } 17163 if (!childPackageUpdated) { 17164 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(this); 17165 childRemovedRes.removedPackage = childPkg.packageName; 17166 if (childPs != null) { 17167 childRemovedRes.installerPackageName = childPs.installerPackageName; 17168 } 17169 childRemovedRes.isUpdate = false; 17170 childRemovedRes.dataRemoved = true; 17171 synchronized (mPackages) { 17172 if (childPs != null) { 17173 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 17174 } 17175 } 17176 if (res.removedInfo.removedChildPackages == null) { 17177 res.removedInfo.removedChildPackages = new ArrayMap<>(); 17178 } 17179 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 17180 } 17181 } 17182 17183 boolean sysPkg = (isSystemApp(oldPackage)); 17184 if (sysPkg) { 17185 // Set the system/privileged flags as needed 17186 final boolean privileged = 17187 (oldPackage.applicationInfo.privateFlags 17188 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 17189 final int systemPolicyFlags = policyFlags 17190 | PackageParser.PARSE_IS_SYSTEM 17191 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 17192 17193 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 17194 user, allUsers, installerPackageName, res, installReason); 17195 } else { 17196 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 17197 user, allUsers, installerPackageName, res, installReason); 17198 } 17199 } 17200 17201 @Override 17202 public List<String> getPreviousCodePaths(String packageName) { 17203 final int callingUid = Binder.getCallingUid(); 17204 final List<String> result = new ArrayList<>(); 17205 if (getInstantAppPackageName(callingUid) != null) { 17206 return result; 17207 } 17208 final PackageSetting ps = mSettings.mPackages.get(packageName); 17209 if (ps != null 17210 && ps.oldCodePaths != null 17211 && !filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 17212 result.addAll(ps.oldCodePaths); 17213 } 17214 return result; 17215 } 17216 17217 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 17218 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 17219 int[] allUsers, String installerPackageName, PackageInstalledInfo res, 17220 int installReason) { 17221 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 17222 + deletedPackage); 17223 17224 String pkgName = deletedPackage.packageName; 17225 boolean deletedPkg = true; 17226 boolean addedPkg = false; 17227 boolean updatedSettings = false; 17228 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 17229 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 17230 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 17231 17232 final long origUpdateTime = (pkg.mExtras != null) 17233 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 17234 17235 // First delete the existing package while retaining the data directory 17236 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 17237 res.removedInfo, true, pkg)) { 17238 // If the existing package wasn't successfully deleted 17239 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 17240 deletedPkg = false; 17241 } else { 17242 // Successfully deleted the old package; proceed with replace. 17243 17244 // If deleted package lived in a container, give users a chance to 17245 // relinquish resources before killing. 17246 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 17247 if (DEBUG_INSTALL) { 17248 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 17249 } 17250 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 17251 final ArrayList<String> pkgList = new ArrayList<String>(1); 17252 pkgList.add(deletedPackage.applicationInfo.packageName); 17253 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 17254 } 17255 17256 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 17257 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 17258 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 17259 17260 try { 17261 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 17262 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 17263 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 17264 installReason); 17265 17266 // Update the in-memory copy of the previous code paths. 17267 PackageSetting ps = mSettings.mPackages.get(pkgName); 17268 if (!killApp) { 17269 if (ps.oldCodePaths == null) { 17270 ps.oldCodePaths = new ArraySet<>(); 17271 } 17272 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 17273 if (deletedPackage.splitCodePaths != null) { 17274 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 17275 } 17276 } else { 17277 ps.oldCodePaths = null; 17278 } 17279 if (ps.childPackageNames != null) { 17280 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 17281 final String childPkgName = ps.childPackageNames.get(i); 17282 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 17283 childPs.oldCodePaths = ps.oldCodePaths; 17284 } 17285 } 17286 // set instant app status, but, only if it's explicitly specified 17287 final boolean instantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 17288 final boolean fullApp = (scanFlags & SCAN_AS_FULL_APP) != 0; 17289 setInstantAppForUser(ps, user.getIdentifier(), instantApp, fullApp); 17290 prepareAppDataAfterInstallLIF(newPackage); 17291 addedPkg = true; 17292 mDexManager.notifyPackageUpdated(newPackage.packageName, 17293 newPackage.baseCodePath, newPackage.splitCodePaths); 17294 } catch (PackageManagerException e) { 17295 res.setError("Package couldn't be installed in " + pkg.codePath, e); 17296 } 17297 } 17298 17299 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 17300 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 17301 17302 // Revert all internal state mutations and added folders for the failed install 17303 if (addedPkg) { 17304 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 17305 res.removedInfo, true, null); 17306 } 17307 17308 // Restore the old package 17309 if (deletedPkg) { 17310 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 17311 File restoreFile = new File(deletedPackage.codePath); 17312 // Parse old package 17313 boolean oldExternal = isExternal(deletedPackage); 17314 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 17315 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 17316 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 17317 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 17318 try { 17319 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 17320 null); 17321 } catch (PackageManagerException e) { 17322 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 17323 + e.getMessage()); 17324 return; 17325 } 17326 17327 synchronized (mPackages) { 17328 // Ensure the installer package name up to date 17329 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 17330 17331 // Update permissions for restored package 17332 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 17333 17334 mSettings.writeLPr(); 17335 } 17336 17337 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 17338 } 17339 } else { 17340 synchronized (mPackages) { 17341 PackageSetting ps = mSettings.getPackageLPr(pkg.packageName); 17342 if (ps != null) { 17343 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 17344 if (res.removedInfo.removedChildPackages != null) { 17345 final int childCount = res.removedInfo.removedChildPackages.size(); 17346 // Iterate in reverse as we may modify the collection 17347 for (int i = childCount - 1; i >= 0; i--) { 17348 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 17349 if (res.addedChildPackages.containsKey(childPackageName)) { 17350 res.removedInfo.removedChildPackages.removeAt(i); 17351 } else { 17352 PackageRemovedInfo childInfo = res.removedInfo 17353 .removedChildPackages.valueAt(i); 17354 childInfo.removedForAllUsers = mPackages.get( 17355 childInfo.removedPackage) == null; 17356 } 17357 } 17358 } 17359 } 17360 } 17361 } 17362 } 17363 17364 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 17365 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 17366 int[] allUsers, String installerPackageName, PackageInstalledInfo res, 17367 int installReason) { 17368 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 17369 + ", old=" + deletedPackage); 17370 17371 final boolean disabledSystem; 17372 17373 // Remove existing system package 17374 removePackageLI(deletedPackage, true); 17375 17376 synchronized (mPackages) { 17377 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 17378 } 17379 if (!disabledSystem) { 17380 // We didn't need to disable the .apk as a current system package, 17381 // which means we are replacing another update that is already 17382 // installed. We need to make sure to delete the older one's .apk. 17383 res.removedInfo.args = createInstallArgsForExisting(0, 17384 deletedPackage.applicationInfo.getCodePath(), 17385 deletedPackage.applicationInfo.getResourcePath(), 17386 getAppDexInstructionSets(deletedPackage.applicationInfo)); 17387 } else { 17388 res.removedInfo.args = null; 17389 } 17390 17391 // Successfully disabled the old package. Now proceed with re-installation 17392 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 17393 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 17394 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 17395 17396 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 17397 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 17398 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 17399 17400 PackageParser.Package newPackage = null; 17401 try { 17402 // Add the package to the internal data structures 17403 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 17404 17405 // Set the update and install times 17406 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 17407 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 17408 System.currentTimeMillis()); 17409 17410 // Update the package dynamic state if succeeded 17411 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 17412 // Now that the install succeeded make sure we remove data 17413 // directories for any child package the update removed. 17414 final int deletedChildCount = (deletedPackage.childPackages != null) 17415 ? deletedPackage.childPackages.size() : 0; 17416 final int newChildCount = (newPackage.childPackages != null) 17417 ? newPackage.childPackages.size() : 0; 17418 for (int i = 0; i < deletedChildCount; i++) { 17419 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 17420 boolean childPackageDeleted = true; 17421 for (int j = 0; j < newChildCount; j++) { 17422 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 17423 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 17424 childPackageDeleted = false; 17425 break; 17426 } 17427 } 17428 if (childPackageDeleted) { 17429 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 17430 deletedChildPkg.packageName); 17431 if (ps != null && res.removedInfo.removedChildPackages != null) { 17432 PackageRemovedInfo removedChildRes = res.removedInfo 17433 .removedChildPackages.get(deletedChildPkg.packageName); 17434 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 17435 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 17436 } 17437 } 17438 } 17439 17440 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 17441 installReason); 17442 prepareAppDataAfterInstallLIF(newPackage); 17443 17444 mDexManager.notifyPackageUpdated(newPackage.packageName, 17445 newPackage.baseCodePath, newPackage.splitCodePaths); 17446 } 17447 } catch (PackageManagerException e) { 17448 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 17449 res.setError("Package couldn't be installed in " + pkg.codePath, e); 17450 } 17451 17452 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 17453 // Re installation failed. Restore old information 17454 // Remove new pkg information 17455 if (newPackage != null) { 17456 removeInstalledPackageLI(newPackage, true); 17457 } 17458 // Add back the old system package 17459 try { 17460 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 17461 } catch (PackageManagerException e) { 17462 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 17463 } 17464 17465 synchronized (mPackages) { 17466 if (disabledSystem) { 17467 enableSystemPackageLPw(deletedPackage); 17468 } 17469 17470 // Ensure the installer package name up to date 17471 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 17472 17473 // Update permissions for restored package 17474 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 17475 17476 mSettings.writeLPr(); 17477 } 17478 17479 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 17480 + " after failed upgrade"); 17481 } 17482 } 17483 17484 /** 17485 * Checks whether the parent or any of the child packages have a change shared 17486 * user. For a package to be a valid update the shred users of the parent and 17487 * the children should match. We may later support changing child shared users. 17488 * @param oldPkg The updated package. 17489 * @param newPkg The update package. 17490 * @return The shared user that change between the versions. 17491 */ 17492 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 17493 PackageParser.Package newPkg) { 17494 // Check parent shared user 17495 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 17496 return newPkg.packageName; 17497 } 17498 // Check child shared users 17499 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 17500 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 17501 for (int i = 0; i < newChildCount; i++) { 17502 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 17503 // If this child was present, did it have the same shared user? 17504 for (int j = 0; j < oldChildCount; j++) { 17505 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 17506 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 17507 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 17508 return newChildPkg.packageName; 17509 } 17510 } 17511 } 17512 return null; 17513 } 17514 17515 private void removeNativeBinariesLI(PackageSetting ps) { 17516 // Remove the lib path for the parent package 17517 if (ps != null) { 17518 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 17519 // Remove the lib path for the child packages 17520 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 17521 for (int i = 0; i < childCount; i++) { 17522 PackageSetting childPs = null; 17523 synchronized (mPackages) { 17524 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 17525 } 17526 if (childPs != null) { 17527 NativeLibraryHelper.removeNativeBinariesLI(childPs 17528 .legacyNativeLibraryPathString); 17529 } 17530 } 17531 } 17532 } 17533 17534 private void enableSystemPackageLPw(PackageParser.Package pkg) { 17535 // Enable the parent package 17536 mSettings.enableSystemPackageLPw(pkg.packageName); 17537 // Enable the child packages 17538 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 17539 for (int i = 0; i < childCount; i++) { 17540 PackageParser.Package childPkg = pkg.childPackages.get(i); 17541 mSettings.enableSystemPackageLPw(childPkg.packageName); 17542 } 17543 } 17544 17545 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 17546 PackageParser.Package newPkg) { 17547 // Disable the parent package (parent always replaced) 17548 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 17549 // Disable the child packages 17550 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 17551 for (int i = 0; i < childCount; i++) { 17552 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 17553 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 17554 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 17555 } 17556 return disabled; 17557 } 17558 17559 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 17560 String installerPackageName) { 17561 // Enable the parent package 17562 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 17563 // Enable the child packages 17564 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 17565 for (int i = 0; i < childCount; i++) { 17566 PackageParser.Package childPkg = pkg.childPackages.get(i); 17567 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 17568 } 17569 } 17570 17571 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 17572 // Collect all used permissions in the UID 17573 ArraySet<String> usedPermissions = new ArraySet<>(); 17574 final int packageCount = su.packages.size(); 17575 for (int i = 0; i < packageCount; i++) { 17576 PackageSetting ps = su.packages.valueAt(i); 17577 if (ps.pkg == null) { 17578 continue; 17579 } 17580 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 17581 for (int j = 0; j < requestedPermCount; j++) { 17582 String permission = ps.pkg.requestedPermissions.get(j); 17583 BasePermission bp = mSettings.mPermissions.get(permission); 17584 if (bp != null) { 17585 usedPermissions.add(permission); 17586 } 17587 } 17588 } 17589 17590 PermissionsState permissionsState = su.getPermissionsState(); 17591 // Prune install permissions 17592 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 17593 final int installPermCount = installPermStates.size(); 17594 for (int i = installPermCount - 1; i >= 0; i--) { 17595 PermissionState permissionState = installPermStates.get(i); 17596 if (!usedPermissions.contains(permissionState.getName())) { 17597 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 17598 if (bp != null) { 17599 permissionsState.revokeInstallPermission(bp); 17600 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 17601 PackageManager.MASK_PERMISSION_FLAGS, 0); 17602 } 17603 } 17604 } 17605 17606 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 17607 17608 // Prune runtime permissions 17609 for (int userId : allUserIds) { 17610 List<PermissionState> runtimePermStates = permissionsState 17611 .getRuntimePermissionStates(userId); 17612 final int runtimePermCount = runtimePermStates.size(); 17613 for (int i = runtimePermCount - 1; i >= 0; i--) { 17614 PermissionState permissionState = runtimePermStates.get(i); 17615 if (!usedPermissions.contains(permissionState.getName())) { 17616 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 17617 if (bp != null) { 17618 permissionsState.revokeRuntimePermission(bp, userId); 17619 permissionsState.updatePermissionFlags(bp, userId, 17620 PackageManager.MASK_PERMISSION_FLAGS, 0); 17621 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 17622 runtimePermissionChangedUserIds, userId); 17623 } 17624 } 17625 } 17626 } 17627 17628 return runtimePermissionChangedUserIds; 17629 } 17630 17631 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 17632 int[] allUsers, PackageInstalledInfo res, UserHandle user, int installReason) { 17633 // Update the parent package setting 17634 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 17635 res, user, installReason); 17636 // Update the child packages setting 17637 final int childCount = (newPackage.childPackages != null) 17638 ? newPackage.childPackages.size() : 0; 17639 for (int i = 0; i < childCount; i++) { 17640 PackageParser.Package childPackage = newPackage.childPackages.get(i); 17641 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 17642 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 17643 childRes.origUsers, childRes, user, installReason); 17644 } 17645 } 17646 17647 private void updateSettingsInternalLI(PackageParser.Package newPackage, 17648 String installerPackageName, int[] allUsers, int[] installedForUsers, 17649 PackageInstalledInfo res, UserHandle user, int installReason) { 17650 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 17651 17652 String pkgName = newPackage.packageName; 17653 synchronized (mPackages) { 17654 //write settings. the installStatus will be incomplete at this stage. 17655 //note that the new package setting would have already been 17656 //added to mPackages. It hasn't been persisted yet. 17657 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 17658 // TODO: Remove this write? It's also written at the end of this method 17659 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 17660 mSettings.writeLPr(); 17661 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 17662 } 17663 17664 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 17665 synchronized (mPackages) { 17666 updatePermissionsLPw(newPackage.packageName, newPackage, 17667 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 17668 ? UPDATE_PERMISSIONS_ALL : 0)); 17669 // For system-bundled packages, we assume that installing an upgraded version 17670 // of the package implies that the user actually wants to run that new code, 17671 // so we enable the package. 17672 PackageSetting ps = mSettings.mPackages.get(pkgName); 17673 final int userId = user.getIdentifier(); 17674 if (ps != null) { 17675 if (isSystemApp(newPackage)) { 17676 if (DEBUG_INSTALL) { 17677 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 17678 } 17679 // Enable system package for requested users 17680 if (res.origUsers != null) { 17681 for (int origUserId : res.origUsers) { 17682 if (userId == UserHandle.USER_ALL || userId == origUserId) { 17683 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 17684 origUserId, installerPackageName); 17685 } 17686 } 17687 } 17688 // Also convey the prior install/uninstall state 17689 if (allUsers != null && installedForUsers != null) { 17690 for (int currentUserId : allUsers) { 17691 final boolean installed = ArrayUtils.contains( 17692 installedForUsers, currentUserId); 17693 if (DEBUG_INSTALL) { 17694 Slog.d(TAG, " user " + currentUserId + " => " + installed); 17695 } 17696 ps.setInstalled(installed, currentUserId); 17697 } 17698 // these install state changes will be persisted in the 17699 // upcoming call to mSettings.writeLPr(). 17700 } 17701 } 17702 // It's implied that when a user requests installation, they want the app to be 17703 // installed and enabled. 17704 if (userId != UserHandle.USER_ALL) { 17705 ps.setInstalled(true, userId); 17706 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 17707 } 17708 17709 // When replacing an existing package, preserve the original install reason for all 17710 // users that had the package installed before. 17711 final Set<Integer> previousUserIds = new ArraySet<>(); 17712 if (res.removedInfo != null && res.removedInfo.installReasons != null) { 17713 final int installReasonCount = res.removedInfo.installReasons.size(); 17714 for (int i = 0; i < installReasonCount; i++) { 17715 final int previousUserId = res.removedInfo.installReasons.keyAt(i); 17716 final int previousInstallReason = res.removedInfo.installReasons.valueAt(i); 17717 ps.setInstallReason(previousInstallReason, previousUserId); 17718 previousUserIds.add(previousUserId); 17719 } 17720 } 17721 17722 // Set install reason for users that are having the package newly installed. 17723 if (userId == UserHandle.USER_ALL) { 17724 for (int currentUserId : sUserManager.getUserIds()) { 17725 if (!previousUserIds.contains(currentUserId)) { 17726 ps.setInstallReason(installReason, currentUserId); 17727 } 17728 } 17729 } else if (!previousUserIds.contains(userId)) { 17730 ps.setInstallReason(installReason, userId); 17731 } 17732 mSettings.writeKernelMappingLPr(ps); 17733 } 17734 res.name = pkgName; 17735 res.uid = newPackage.applicationInfo.uid; 17736 res.pkg = newPackage; 17737 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 17738 mSettings.setInstallerPackageName(pkgName, installerPackageName); 17739 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 17740 //to update install status 17741 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 17742 mSettings.writeLPr(); 17743 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 17744 } 17745 17746 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 17747 } 17748 17749 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 17750 try { 17751 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 17752 installPackageLI(args, res); 17753 } finally { 17754 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 17755 } 17756 } 17757 17758 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 17759 final int installFlags = args.installFlags; 17760 final String installerPackageName = args.installerPackageName; 17761 final String volumeUuid = args.volumeUuid; 17762 final File tmpPackageFile = new File(args.getCodePath()); 17763 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 17764 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 17765 || (args.volumeUuid != null)); 17766 final boolean instantApp = ((installFlags & PackageManager.INSTALL_INSTANT_APP) != 0); 17767 final boolean fullApp = ((installFlags & PackageManager.INSTALL_FULL_APP) != 0); 17768 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 17769 boolean replace = false; 17770 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 17771 if (args.move != null) { 17772 // moving a complete application; perform an initial scan on the new install location 17773 scanFlags |= SCAN_INITIAL; 17774 } 17775 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 17776 scanFlags |= SCAN_DONT_KILL_APP; 17777 } 17778 if (instantApp) { 17779 scanFlags |= SCAN_AS_INSTANT_APP; 17780 } 17781 if (fullApp) { 17782 scanFlags |= SCAN_AS_FULL_APP; 17783 } 17784 17785 // Result object to be returned 17786 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 17787 17788 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 17789 17790 // Sanity check 17791 if (instantApp && (forwardLocked || onExternal)) { 17792 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 17793 + " external=" + onExternal); 17794 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 17795 return; 17796 } 17797 17798 // Retrieve PackageSettings and parse package 17799 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 17800 | PackageParser.PARSE_ENFORCE_CODE 17801 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 17802 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 17803 | (instantApp ? PackageParser.PARSE_IS_EPHEMERAL : 0) 17804 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 17805 PackageParser pp = new PackageParser(); 17806 pp.setSeparateProcesses(mSeparateProcesses); 17807 pp.setDisplayMetrics(mMetrics); 17808 pp.setCallback(mPackageParserCallback); 17809 17810 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 17811 final PackageParser.Package pkg; 17812 try { 17813 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 17814 } catch (PackageParserException e) { 17815 res.setError("Failed parse during installPackageLI", e); 17816 return; 17817 } finally { 17818 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 17819 } 17820 17821 // Instant apps must have target SDK >= O and have targetSanboxVersion >= 2 17822 if (instantApp && pkg.applicationInfo.targetSdkVersion <= Build.VERSION_CODES.N_MR1) { 17823 Slog.w(TAG, "Instant app package " + pkg.packageName + " does not target O"); 17824 res.setError(INSTALL_FAILED_SANDBOX_VERSION_DOWNGRADE, 17825 "Instant app package must target O"); 17826 return; 17827 } 17828 if (instantApp && pkg.applicationInfo.targetSandboxVersion != 2) { 17829 Slog.w(TAG, "Instant app package " + pkg.packageName 17830 + " does not target targetSandboxVersion 2"); 17831 res.setError(INSTALL_FAILED_SANDBOX_VERSION_DOWNGRADE, 17832 "Instant app package must use targetSanboxVersion 2"); 17833 return; 17834 } 17835 17836 if (pkg.applicationInfo.isStaticSharedLibrary()) { 17837 // Static shared libraries have synthetic package names 17838 renameStaticSharedLibraryPackage(pkg); 17839 17840 // No static shared libs on external storage 17841 if (onExternal) { 17842 Slog.i(TAG, "Static shared libs can only be installed on internal storage."); 17843 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 17844 "Packages declaring static-shared libs cannot be updated"); 17845 return; 17846 } 17847 } 17848 17849 // If we are installing a clustered package add results for the children 17850 if (pkg.childPackages != null) { 17851 synchronized (mPackages) { 17852 final int childCount = pkg.childPackages.size(); 17853 for (int i = 0; i < childCount; i++) { 17854 PackageParser.Package childPkg = pkg.childPackages.get(i); 17855 PackageInstalledInfo childRes = new PackageInstalledInfo(); 17856 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 17857 childRes.pkg = childPkg; 17858 childRes.name = childPkg.packageName; 17859 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 17860 if (childPs != null) { 17861 childRes.origUsers = childPs.queryInstalledUsers( 17862 sUserManager.getUserIds(), true); 17863 } 17864 if ((mPackages.containsKey(childPkg.packageName))) { 17865 childRes.removedInfo = new PackageRemovedInfo(this); 17866 childRes.removedInfo.removedPackage = childPkg.packageName; 17867 childRes.removedInfo.installerPackageName = childPs.installerPackageName; 17868 } 17869 if (res.addedChildPackages == null) { 17870 res.addedChildPackages = new ArrayMap<>(); 17871 } 17872 res.addedChildPackages.put(childPkg.packageName, childRes); 17873 } 17874 } 17875 } 17876 17877 // If package doesn't declare API override, mark that we have an install 17878 // time CPU ABI override. 17879 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 17880 pkg.cpuAbiOverride = args.abiOverride; 17881 } 17882 17883 String pkgName = res.name = pkg.packageName; 17884 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 17885 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 17886 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 17887 return; 17888 } 17889 } 17890 17891 try { 17892 // either use what we've been given or parse directly from the APK 17893 if (args.certificates != null) { 17894 try { 17895 PackageParser.populateCertificates(pkg, args.certificates); 17896 } catch (PackageParserException e) { 17897 // there was something wrong with the certificates we were given; 17898 // try to pull them from the APK 17899 PackageParser.collectCertificates(pkg, parseFlags); 17900 } 17901 } else { 17902 PackageParser.collectCertificates(pkg, parseFlags); 17903 } 17904 } catch (PackageParserException e) { 17905 res.setError("Failed collect during installPackageLI", e); 17906 return; 17907 } 17908 17909 // Get rid of all references to package scan path via parser. 17910 pp = null; 17911 String oldCodePath = null; 17912 boolean systemApp = false; 17913 synchronized (mPackages) { 17914 // Check if installing already existing package 17915 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 17916 String oldName = mSettings.getRenamedPackageLPr(pkgName); 17917 if (pkg.mOriginalPackages != null 17918 && pkg.mOriginalPackages.contains(oldName) 17919 && mPackages.containsKey(oldName)) { 17920 // This package is derived from an original package, 17921 // and this device has been updating from that original 17922 // name. We must continue using the original name, so 17923 // rename the new package here. 17924 pkg.setPackageName(oldName); 17925 pkgName = pkg.packageName; 17926 replace = true; 17927 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 17928 + oldName + " pkgName=" + pkgName); 17929 } else if (mPackages.containsKey(pkgName)) { 17930 // This package, under its official name, already exists 17931 // on the device; we should replace it. 17932 replace = true; 17933 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 17934 } 17935 17936 // Child packages are installed through the parent package 17937 if (pkg.parentPackage != null) { 17938 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 17939 "Package " + pkg.packageName + " is child of package " 17940 + pkg.parentPackage.parentPackage + ". Child packages " 17941 + "can be updated only through the parent package."); 17942 return; 17943 } 17944 17945 if (replace) { 17946 // Prevent apps opting out from runtime permissions 17947 PackageParser.Package oldPackage = mPackages.get(pkgName); 17948 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 17949 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 17950 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 17951 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 17952 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 17953 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 17954 + " doesn't support runtime permissions but the old" 17955 + " target SDK " + oldTargetSdk + " does."); 17956 return; 17957 } 17958 // Prevent apps from downgrading their targetSandbox. 17959 final int oldTargetSandbox = oldPackage.applicationInfo.targetSandboxVersion; 17960 final int newTargetSandbox = pkg.applicationInfo.targetSandboxVersion; 17961 if (oldTargetSandbox == 2 && newTargetSandbox != 2) { 17962 res.setError(PackageManager.INSTALL_FAILED_SANDBOX_VERSION_DOWNGRADE, 17963 "Package " + pkg.packageName + " new target sandbox " 17964 + newTargetSandbox + " is incompatible with the previous value of" 17965 + oldTargetSandbox + "."); 17966 return; 17967 } 17968 17969 // Prevent installing of child packages 17970 if (oldPackage.parentPackage != null) { 17971 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 17972 "Package " + pkg.packageName + " is child of package " 17973 + oldPackage.parentPackage + ". Child packages " 17974 + "can be updated only through the parent package."); 17975 return; 17976 } 17977 } 17978 } 17979 17980 PackageSetting ps = mSettings.mPackages.get(pkgName); 17981 if (ps != null) { 17982 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 17983 17984 // Static shared libs have same package with different versions where 17985 // we internally use a synthetic package name to allow multiple versions 17986 // of the same package, therefore we need to compare signatures against 17987 // the package setting for the latest library version. 17988 PackageSetting signatureCheckPs = ps; 17989 if (pkg.applicationInfo.isStaticSharedLibrary()) { 17990 SharedLibraryEntry libraryEntry = getLatestSharedLibraVersionLPr(pkg); 17991 if (libraryEntry != null) { 17992 signatureCheckPs = mSettings.getPackageLPr(libraryEntry.apk); 17993 } 17994 } 17995 17996 // Quick sanity check that we're signed correctly if updating; 17997 // we'll check this again later when scanning, but we want to 17998 // bail early here before tripping over redefined permissions. 17999 if (shouldCheckUpgradeKeySetLP(signatureCheckPs, scanFlags)) { 18000 if (!checkUpgradeKeySetLP(signatureCheckPs, pkg)) { 18001 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 18002 + pkg.packageName + " upgrade keys do not match the " 18003 + "previously installed version"); 18004 return; 18005 } 18006 } else { 18007 try { 18008 verifySignaturesLP(signatureCheckPs, pkg); 18009 } catch (PackageManagerException e) { 18010 res.setError(e.error, e.getMessage()); 18011 return; 18012 } 18013 } 18014 18015 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 18016 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 18017 systemApp = (ps.pkg.applicationInfo.flags & 18018 ApplicationInfo.FLAG_SYSTEM) != 0; 18019 } 18020 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 18021 } 18022 18023 int N = pkg.permissions.size(); 18024 for (int i = N-1; i >= 0; i--) { 18025 PackageParser.Permission perm = pkg.permissions.get(i); 18026 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 18027 18028 // Don't allow anyone but the system to define ephemeral permissions. 18029 if ((perm.info.protectionLevel & PermissionInfo.PROTECTION_FLAG_EPHEMERAL) != 0 18030 && !systemApp) { 18031 Slog.w(TAG, "Non-System package " + pkg.packageName 18032 + " attempting to delcare ephemeral permission " 18033 + perm.info.name + "; Removing ephemeral."); 18034 perm.info.protectionLevel &= ~PermissionInfo.PROTECTION_FLAG_EPHEMERAL; 18035 } 18036 // Check whether the newly-scanned package wants to define an already-defined perm 18037 if (bp != null) { 18038 // If the defining package is signed with our cert, it's okay. This 18039 // also includes the "updating the same package" case, of course. 18040 // "updating same package" could also involve key-rotation. 18041 final boolean sigsOk; 18042 if (bp.sourcePackage.equals(pkg.packageName) 18043 && (bp.packageSetting instanceof PackageSetting) 18044 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 18045 scanFlags))) { 18046 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 18047 } else { 18048 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 18049 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 18050 } 18051 if (!sigsOk) { 18052 // If the owning package is the system itself, we log but allow 18053 // install to proceed; we fail the install on all other permission 18054 // redefinitions. 18055 if (!bp.sourcePackage.equals("android")) { 18056 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 18057 + pkg.packageName + " attempting to redeclare permission " 18058 + perm.info.name + " already owned by " + bp.sourcePackage); 18059 res.origPermission = perm.info.name; 18060 res.origPackage = bp.sourcePackage; 18061 return; 18062 } else { 18063 Slog.w(TAG, "Package " + pkg.packageName 18064 + " attempting to redeclare system permission " 18065 + perm.info.name + "; ignoring new declaration"); 18066 pkg.permissions.remove(i); 18067 } 18068 } else if (!PLATFORM_PACKAGE_NAME.equals(pkg.packageName)) { 18069 // Prevent apps to change protection level to dangerous from any other 18070 // type as this would allow a privilege escalation where an app adds a 18071 // normal/signature permission in other app's group and later redefines 18072 // it as dangerous leading to the group auto-grant. 18073 if ((perm.info.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE) 18074 == PermissionInfo.PROTECTION_DANGEROUS) { 18075 if (bp != null && !bp.isRuntime()) { 18076 Slog.w(TAG, "Package " + pkg.packageName + " trying to change a " 18077 + "non-runtime permission " + perm.info.name 18078 + " to runtime; keeping old protection level"); 18079 perm.info.protectionLevel = bp.protectionLevel; 18080 } 18081 } 18082 } 18083 } 18084 } 18085 } 18086 18087 if (systemApp) { 18088 if (onExternal) { 18089 // Abort update; system app can't be replaced with app on sdcard 18090 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 18091 "Cannot install updates to system apps on sdcard"); 18092 return; 18093 } else if (instantApp) { 18094 // Abort update; system app can't be replaced with an instant app 18095 res.setError(INSTALL_FAILED_INSTANT_APP_INVALID, 18096 "Cannot update a system app with an instant app"); 18097 return; 18098 } 18099 } 18100 18101 if (args.move != null) { 18102 // We did an in-place move, so dex is ready to roll 18103 scanFlags |= SCAN_NO_DEX; 18104 scanFlags |= SCAN_MOVE; 18105 18106 synchronized (mPackages) { 18107 final PackageSetting ps = mSettings.mPackages.get(pkgName); 18108 if (ps == null) { 18109 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 18110 "Missing settings for moved package " + pkgName); 18111 } 18112 18113 // We moved the entire application as-is, so bring over the 18114 // previously derived ABI information. 18115 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 18116 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 18117 } 18118 18119 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 18120 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 18121 scanFlags |= SCAN_NO_DEX; 18122 18123 try { 18124 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 18125 args.abiOverride : pkg.cpuAbiOverride); 18126 final boolean extractNativeLibs = !pkg.isLibrary(); 18127 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 18128 extractNativeLibs, mAppLib32InstallDir); 18129 } catch (PackageManagerException pme) { 18130 Slog.e(TAG, "Error deriving application ABI", pme); 18131 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 18132 return; 18133 } 18134 18135 // Shared libraries for the package need to be updated. 18136 synchronized (mPackages) { 18137 try { 18138 updateSharedLibrariesLPr(pkg, null); 18139 } catch (PackageManagerException e) { 18140 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 18141 } 18142 } 18143 18144 // dexopt can take some time to complete, so, for instant apps, we skip this 18145 // step during installation. Instead, we'll take extra time the first time the 18146 // instant app starts. It's preferred to do it this way to provide continuous 18147 // progress to the user instead of mysteriously blocking somewhere in the 18148 // middle of running an instant app. The default behaviour can be overridden 18149 // via gservices. 18150 if (!instantApp || Global.getInt( 18151 mContext.getContentResolver(), Global.INSTANT_APP_DEXOPT_ENABLED, 0) != 0) { 18152 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 18153 // Do not run PackageDexOptimizer through the local performDexOpt 18154 // method because `pkg` may not be in `mPackages` yet. 18155 // 18156 // Also, don't fail application installs if the dexopt step fails. 18157 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 18158 null /* instructionSets */, false /* checkProfiles */, 18159 getCompilerFilterForReason(REASON_INSTALL), 18160 getOrCreateCompilerPackageStats(pkg), 18161 mDexManager.isUsedByOtherApps(pkg.packageName), 18162 true /* bootComplete */); 18163 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 18164 } 18165 18166 // Notify BackgroundDexOptService that the package has been changed. 18167 // If this is an update of a package which used to fail to compile, 18168 // BDOS will remove it from its blacklist. 18169 // TODO: Layering violation 18170 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 18171 } 18172 18173 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 18174 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 18175 return; 18176 } 18177 18178 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 18179 18180 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 18181 "installPackageLI")) { 18182 if (replace) { 18183 if (pkg.applicationInfo.isStaticSharedLibrary()) { 18184 // Static libs have a synthetic package name containing the version 18185 // and cannot be updated as an update would get a new package name, 18186 // unless this is the exact same version code which is useful for 18187 // development. 18188 PackageParser.Package existingPkg = mPackages.get(pkg.packageName); 18189 if (existingPkg != null && existingPkg.mVersionCode != pkg.mVersionCode) { 18190 res.setError(INSTALL_FAILED_DUPLICATE_PACKAGE, "Packages declaring " 18191 + "static-shared libs cannot be updated"); 18192 return; 18193 } 18194 } 18195 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 18196 installerPackageName, res, args.installReason); 18197 } else { 18198 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 18199 args.user, installerPackageName, volumeUuid, res, args.installReason); 18200 } 18201 } 18202 18203 synchronized (mPackages) { 18204 final PackageSetting ps = mSettings.mPackages.get(pkgName); 18205 if (ps != null) { 18206 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 18207 ps.setUpdateAvailable(false /*updateAvailable*/); 18208 } 18209 18210 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 18211 for (int i = 0; i < childCount; i++) { 18212 PackageParser.Package childPkg = pkg.childPackages.get(i); 18213 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 18214 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 18215 if (childPs != null) { 18216 childRes.newUsers = childPs.queryInstalledUsers( 18217 sUserManager.getUserIds(), true); 18218 } 18219 } 18220 18221 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 18222 updateSequenceNumberLP(ps, res.newUsers); 18223 updateInstantAppInstallerLocked(pkgName); 18224 } 18225 } 18226 } 18227 18228 private void startIntentFilterVerifications(int userId, boolean replacing, 18229 PackageParser.Package pkg) { 18230 if (mIntentFilterVerifierComponent == null) { 18231 Slog.w(TAG, "No IntentFilter verification will not be done as " 18232 + "there is no IntentFilterVerifier available!"); 18233 return; 18234 } 18235 18236 final int verifierUid = getPackageUid( 18237 mIntentFilterVerifierComponent.getPackageName(), 18238 MATCH_DEBUG_TRIAGED_MISSING, 18239 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 18240 18241 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 18242 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 18243 mHandler.sendMessage(msg); 18244 18245 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 18246 for (int i = 0; i < childCount; i++) { 18247 PackageParser.Package childPkg = pkg.childPackages.get(i); 18248 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 18249 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 18250 mHandler.sendMessage(msg); 18251 } 18252 } 18253 18254 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 18255 PackageParser.Package pkg) { 18256 int size = pkg.activities.size(); 18257 if (size == 0) { 18258 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 18259 "No activity, so no need to verify any IntentFilter!"); 18260 return; 18261 } 18262 18263 final boolean hasDomainURLs = hasDomainURLs(pkg); 18264 if (!hasDomainURLs) { 18265 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 18266 "No domain URLs, so no need to verify any IntentFilter!"); 18267 return; 18268 } 18269 18270 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 18271 + " if any IntentFilter from the " + size 18272 + " Activities needs verification ..."); 18273 18274 int count = 0; 18275 final String packageName = pkg.packageName; 18276 18277 synchronized (mPackages) { 18278 // If this is a new install and we see that we've already run verification for this 18279 // package, we have nothing to do: it means the state was restored from backup. 18280 if (!replacing) { 18281 IntentFilterVerificationInfo ivi = 18282 mSettings.getIntentFilterVerificationLPr(packageName); 18283 if (ivi != null) { 18284 if (DEBUG_DOMAIN_VERIFICATION) { 18285 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 18286 + ivi.getStatusString()); 18287 } 18288 return; 18289 } 18290 } 18291 18292 // If any filters need to be verified, then all need to be. 18293 boolean needToVerify = false; 18294 for (PackageParser.Activity a : pkg.activities) { 18295 for (ActivityIntentInfo filter : a.intents) { 18296 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 18297 if (DEBUG_DOMAIN_VERIFICATION) { 18298 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 18299 } 18300 needToVerify = true; 18301 break; 18302 } 18303 } 18304 } 18305 18306 if (needToVerify) { 18307 final int verificationId = mIntentFilterVerificationToken++; 18308 for (PackageParser.Activity a : pkg.activities) { 18309 for (ActivityIntentInfo filter : a.intents) { 18310 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 18311 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 18312 "Verification needed for IntentFilter:" + filter.toString()); 18313 mIntentFilterVerifier.addOneIntentFilterVerification( 18314 verifierUid, userId, verificationId, filter, packageName); 18315 count++; 18316 } 18317 } 18318 } 18319 } 18320 } 18321 18322 if (count > 0) { 18323 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 18324 + " IntentFilter verification" + (count > 1 ? "s" : "") 18325 + " for userId:" + userId); 18326 mIntentFilterVerifier.startVerifications(userId); 18327 } else { 18328 if (DEBUG_DOMAIN_VERIFICATION) { 18329 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 18330 } 18331 } 18332 } 18333 18334 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 18335 final ComponentName cn = filter.activity.getComponentName(); 18336 final String packageName = cn.getPackageName(); 18337 18338 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 18339 packageName); 18340 if (ivi == null) { 18341 return true; 18342 } 18343 int status = ivi.getStatus(); 18344 switch (status) { 18345 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 18346 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 18347 return true; 18348 18349 default: 18350 // Nothing to do 18351 return false; 18352 } 18353 } 18354 18355 private static boolean isMultiArch(ApplicationInfo info) { 18356 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 18357 } 18358 18359 private static boolean isExternal(PackageParser.Package pkg) { 18360 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 18361 } 18362 18363 private static boolean isExternal(PackageSetting ps) { 18364 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 18365 } 18366 18367 private static boolean isSystemApp(PackageParser.Package pkg) { 18368 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 18369 } 18370 18371 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 18372 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 18373 } 18374 18375 private static boolean hasDomainURLs(PackageParser.Package pkg) { 18376 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 18377 } 18378 18379 private static boolean isSystemApp(PackageSetting ps) { 18380 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 18381 } 18382 18383 private static boolean isUpdatedSystemApp(PackageSetting ps) { 18384 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 18385 } 18386 18387 private int packageFlagsToInstallFlags(PackageSetting ps) { 18388 int installFlags = 0; 18389 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 18390 // This existing package was an external ASEC install when we have 18391 // the external flag without a UUID 18392 installFlags |= PackageManager.INSTALL_EXTERNAL; 18393 } 18394 if (ps.isForwardLocked()) { 18395 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 18396 } 18397 return installFlags; 18398 } 18399 18400 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 18401 if (isExternal(pkg)) { 18402 if (TextUtils.isEmpty(pkg.volumeUuid)) { 18403 return StorageManager.UUID_PRIMARY_PHYSICAL; 18404 } else { 18405 return pkg.volumeUuid; 18406 } 18407 } else { 18408 return StorageManager.UUID_PRIVATE_INTERNAL; 18409 } 18410 } 18411 18412 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 18413 if (isExternal(pkg)) { 18414 if (TextUtils.isEmpty(pkg.volumeUuid)) { 18415 return mSettings.getExternalVersion(); 18416 } else { 18417 return mSettings.findOrCreateVersion(pkg.volumeUuid); 18418 } 18419 } else { 18420 return mSettings.getInternalVersion(); 18421 } 18422 } 18423 18424 private void deleteTempPackageFiles() { 18425 final FilenameFilter filter = new FilenameFilter() { 18426 public boolean accept(File dir, String name) { 18427 return name.startsWith("vmdl") && name.endsWith(".tmp"); 18428 } 18429 }; 18430 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 18431 file.delete(); 18432 } 18433 } 18434 18435 @Override 18436 public void deletePackageAsUser(String packageName, int versionCode, 18437 IPackageDeleteObserver observer, int userId, int flags) { 18438 deletePackageVersioned(new VersionedPackage(packageName, versionCode), 18439 new LegacyPackageDeleteObserver(observer).getBinder(), userId, flags); 18440 } 18441 18442 @Override 18443 public void deletePackageVersioned(VersionedPackage versionedPackage, 18444 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 18445 final int callingUid = Binder.getCallingUid(); 18446 mContext.enforceCallingOrSelfPermission( 18447 android.Manifest.permission.DELETE_PACKAGES, null); 18448 final boolean canViewInstantApps = canViewInstantApps(callingUid, userId); 18449 Preconditions.checkNotNull(versionedPackage); 18450 Preconditions.checkNotNull(observer); 18451 Preconditions.checkArgumentInRange(versionedPackage.getVersionCode(), 18452 PackageManager.VERSION_CODE_HIGHEST, 18453 Integer.MAX_VALUE, "versionCode must be >= -1"); 18454 18455 final String packageName = versionedPackage.getPackageName(); 18456 final int versionCode = versionedPackage.getVersionCode(); 18457 final String internalPackageName; 18458 synchronized (mPackages) { 18459 // Normalize package name to handle renamed packages and static libs 18460 internalPackageName = resolveInternalPackageNameLPr(versionedPackage.getPackageName(), 18461 versionedPackage.getVersionCode()); 18462 } 18463 18464 final int uid = Binder.getCallingUid(); 18465 if (!isOrphaned(internalPackageName) 18466 && !isCallerAllowedToSilentlyUninstall(uid, internalPackageName)) { 18467 try { 18468 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 18469 intent.setData(Uri.fromParts(PACKAGE_SCHEME, packageName, null)); 18470 intent.putExtra(PackageInstaller.EXTRA_CALLBACK, observer.asBinder()); 18471 observer.onUserActionRequired(intent); 18472 } catch (RemoteException re) { 18473 } 18474 return; 18475 } 18476 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 18477 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 18478 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 18479 mContext.enforceCallingOrSelfPermission( 18480 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 18481 "deletePackage for user " + userId); 18482 } 18483 18484 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 18485 try { 18486 observer.onPackageDeleted(packageName, 18487 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 18488 } catch (RemoteException re) { 18489 } 18490 return; 18491 } 18492 18493 if (!deleteAllUsers && getBlockUninstallForUser(internalPackageName, userId)) { 18494 try { 18495 observer.onPackageDeleted(packageName, 18496 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 18497 } catch (RemoteException re) { 18498 } 18499 return; 18500 } 18501 18502 if (DEBUG_REMOVE) { 18503 Slog.d(TAG, "deletePackageAsUser: pkg=" + internalPackageName + " user=" + userId 18504 + " deleteAllUsers: " + deleteAllUsers + " version=" 18505 + (versionCode == PackageManager.VERSION_CODE_HIGHEST 18506 ? "VERSION_CODE_HIGHEST" : versionCode)); 18507 } 18508 // Queue up an async operation since the package deletion may take a little while. 18509 mHandler.post(new Runnable() { 18510 public void run() { 18511 mHandler.removeCallbacks(this); 18512 int returnCode; 18513 final PackageSetting ps = mSettings.mPackages.get(internalPackageName); 18514 boolean doDeletePackage = true; 18515 if (ps != null) { 18516 final boolean targetIsInstantApp = 18517 ps.getInstantApp(UserHandle.getUserId(callingUid)); 18518 doDeletePackage = !targetIsInstantApp 18519 || canViewInstantApps; 18520 } 18521 if (doDeletePackage) { 18522 if (!deleteAllUsers) { 18523 returnCode = deletePackageX(internalPackageName, versionCode, 18524 userId, deleteFlags); 18525 } else { 18526 int[] blockUninstallUserIds = getBlockUninstallForUsers( 18527 internalPackageName, users); 18528 // If nobody is blocking uninstall, proceed with delete for all users 18529 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 18530 returnCode = deletePackageX(internalPackageName, versionCode, 18531 userId, deleteFlags); 18532 } else { 18533 // Otherwise uninstall individually for users with blockUninstalls=false 18534 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 18535 for (int userId : users) { 18536 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 18537 returnCode = deletePackageX(internalPackageName, versionCode, 18538 userId, userFlags); 18539 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 18540 Slog.w(TAG, "Package delete failed for user " + userId 18541 + ", returnCode " + returnCode); 18542 } 18543 } 18544 } 18545 // The app has only been marked uninstalled for certain users. 18546 // We still need to report that delete was blocked 18547 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 18548 } 18549 } 18550 } else { 18551 returnCode = PackageManager.DELETE_FAILED_INTERNAL_ERROR; 18552 } 18553 try { 18554 observer.onPackageDeleted(packageName, returnCode, null); 18555 } catch (RemoteException e) { 18556 Log.i(TAG, "Observer no longer exists."); 18557 } //end catch 18558 } //end run 18559 }); 18560 } 18561 18562 private String resolveExternalPackageNameLPr(PackageParser.Package pkg) { 18563 if (pkg.staticSharedLibName != null) { 18564 return pkg.manifestPackageName; 18565 } 18566 return pkg.packageName; 18567 } 18568 18569 private String resolveInternalPackageNameLPr(String packageName, int versionCode) { 18570 // Handle renamed packages 18571 String normalizedPackageName = mSettings.getRenamedPackageLPr(packageName); 18572 packageName = normalizedPackageName != null ? normalizedPackageName : packageName; 18573 18574 // Is this a static library? 18575 SparseArray<SharedLibraryEntry> versionedLib = 18576 mStaticLibsByDeclaringPackage.get(packageName); 18577 if (versionedLib == null || versionedLib.size() <= 0) { 18578 return packageName; 18579 } 18580 18581 // Figure out which lib versions the caller can see 18582 SparseIntArray versionsCallerCanSee = null; 18583 final int callingAppId = UserHandle.getAppId(Binder.getCallingUid()); 18584 if (callingAppId != Process.SYSTEM_UID && callingAppId != Process.SHELL_UID 18585 && callingAppId != Process.ROOT_UID) { 18586 versionsCallerCanSee = new SparseIntArray(); 18587 String libName = versionedLib.valueAt(0).info.getName(); 18588 String[] uidPackages = getPackagesForUid(Binder.getCallingUid()); 18589 if (uidPackages != null) { 18590 for (String uidPackage : uidPackages) { 18591 PackageSetting ps = mSettings.getPackageLPr(uidPackage); 18592 final int libIdx = ArrayUtils.indexOf(ps.usesStaticLibraries, libName); 18593 if (libIdx >= 0) { 18594 final int libVersion = ps.usesStaticLibrariesVersions[libIdx]; 18595 versionsCallerCanSee.append(libVersion, libVersion); 18596 } 18597 } 18598 } 18599 } 18600 18601 // Caller can see nothing - done 18602 if (versionsCallerCanSee != null && versionsCallerCanSee.size() <= 0) { 18603 return packageName; 18604 } 18605 18606 // Find the version the caller can see and the app version code 18607 SharedLibraryEntry highestVersion = null; 18608 final int versionCount = versionedLib.size(); 18609 for (int i = 0; i < versionCount; i++) { 18610 SharedLibraryEntry libEntry = versionedLib.valueAt(i); 18611 if (versionsCallerCanSee != null && versionsCallerCanSee.indexOfKey( 18612 libEntry.info.getVersion()) < 0) { 18613 continue; 18614 } 18615 final int libVersionCode = libEntry.info.getDeclaringPackage().getVersionCode(); 18616 if (versionCode != PackageManager.VERSION_CODE_HIGHEST) { 18617 if (libVersionCode == versionCode) { 18618 return libEntry.apk; 18619 } 18620 } else if (highestVersion == null) { 18621 highestVersion = libEntry; 18622 } else if (libVersionCode > highestVersion.info 18623 .getDeclaringPackage().getVersionCode()) { 18624 highestVersion = libEntry; 18625 } 18626 } 18627 18628 if (highestVersion != null) { 18629 return highestVersion.apk; 18630 } 18631 18632 return packageName; 18633 } 18634 18635 private boolean isCallerAllowedToSilentlyUninstall(int callingUid, String pkgName) { 18636 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID 18637 || UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 18638 return true; 18639 } 18640 final int callingUserId = UserHandle.getUserId(callingUid); 18641 // If the caller installed the pkgName, then allow it to silently uninstall. 18642 if (callingUid == getPackageUid(getInstallerPackageName(pkgName), 0, callingUserId)) { 18643 return true; 18644 } 18645 18646 // Allow package verifier to silently uninstall. 18647 if (mRequiredVerifierPackage != null && 18648 callingUid == getPackageUid(mRequiredVerifierPackage, 0, callingUserId)) { 18649 return true; 18650 } 18651 18652 // Allow package uninstaller to silently uninstall. 18653 if (mRequiredUninstallerPackage != null && 18654 callingUid == getPackageUid(mRequiredUninstallerPackage, 0, callingUserId)) { 18655 return true; 18656 } 18657 18658 // Allow storage manager to silently uninstall. 18659 if (mStorageManagerPackage != null && 18660 callingUid == getPackageUid(mStorageManagerPackage, 0, callingUserId)) { 18661 return true; 18662 } 18663 18664 // Allow caller having MANAGE_PROFILE_AND_DEVICE_OWNERS permission to silently 18665 // uninstall for device owner provisioning. 18666 if (checkUidPermission(MANAGE_PROFILE_AND_DEVICE_OWNERS, callingUid) 18667 == PERMISSION_GRANTED) { 18668 return true; 18669 } 18670 18671 return false; 18672 } 18673 18674 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 18675 int[] result = EMPTY_INT_ARRAY; 18676 for (int userId : userIds) { 18677 if (getBlockUninstallForUser(packageName, userId)) { 18678 result = ArrayUtils.appendInt(result, userId); 18679 } 18680 } 18681 return result; 18682 } 18683 18684 @Override 18685 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 18686 final int callingUid = Binder.getCallingUid(); 18687 if (getInstantAppPackageName(callingUid) != null 18688 && !isCallerSameApp(packageName, callingUid)) { 18689 return false; 18690 } 18691 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 18692 } 18693 18694 private boolean isPackageDeviceAdmin(String packageName, int userId) { 18695 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 18696 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 18697 try { 18698 if (dpm != null) { 18699 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 18700 /* callingUserOnly =*/ false); 18701 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 18702 : deviceOwnerComponentName.getPackageName(); 18703 // Does the package contains the device owner? 18704 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 18705 // this check is probably not needed, since DO should be registered as a device 18706 // admin on some user too. (Original bug for this: b/17657954) 18707 if (packageName.equals(deviceOwnerPackageName)) { 18708 return true; 18709 } 18710 // Does it contain a device admin for any user? 18711 int[] users; 18712 if (userId == UserHandle.USER_ALL) { 18713 users = sUserManager.getUserIds(); 18714 } else { 18715 users = new int[]{userId}; 18716 } 18717 for (int i = 0; i < users.length; ++i) { 18718 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 18719 return true; 18720 } 18721 } 18722 } 18723 } catch (RemoteException e) { 18724 } 18725 return false; 18726 } 18727 18728 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 18729 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 18730 } 18731 18732 /** 18733 * This method is an internal method that could be get invoked either 18734 * to delete an installed package or to clean up a failed installation. 18735 * After deleting an installed package, a broadcast is sent to notify any 18736 * listeners that the package has been removed. For cleaning up a failed 18737 * installation, the broadcast is not necessary since the package's 18738 * installation wouldn't have sent the initial broadcast either 18739 * The key steps in deleting a package are 18740 * deleting the package information in internal structures like mPackages, 18741 * deleting the packages base directories through installd 18742 * updating mSettings to reflect current status 18743 * persisting settings for later use 18744 * sending a broadcast if necessary 18745 */ 18746 int deletePackageX(String packageName, int versionCode, int userId, int deleteFlags) { 18747 final PackageRemovedInfo info = new PackageRemovedInfo(this); 18748 final boolean res; 18749 18750 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 18751 ? UserHandle.USER_ALL : userId; 18752 18753 if (isPackageDeviceAdmin(packageName, removeUser)) { 18754 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 18755 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 18756 } 18757 18758 PackageSetting uninstalledPs = null; 18759 PackageParser.Package pkg = null; 18760 18761 // for the uninstall-updates case and restricted profiles, remember the per- 18762 // user handle installed state 18763 int[] allUsers; 18764 synchronized (mPackages) { 18765 uninstalledPs = mSettings.mPackages.get(packageName); 18766 if (uninstalledPs == null) { 18767 Slog.w(TAG, "Not removing non-existent package " + packageName); 18768 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 18769 } 18770 18771 if (versionCode != PackageManager.VERSION_CODE_HIGHEST 18772 && uninstalledPs.versionCode != versionCode) { 18773 Slog.w(TAG, "Not removing package " + packageName + " with versionCode " 18774 + uninstalledPs.versionCode + " != " + versionCode); 18775 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 18776 } 18777 18778 // Static shared libs can be declared by any package, so let us not 18779 // allow removing a package if it provides a lib others depend on. 18780 pkg = mPackages.get(packageName); 18781 18782 allUsers = sUserManager.getUserIds(); 18783 18784 if (pkg != null && pkg.staticSharedLibName != null) { 18785 SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(pkg.staticSharedLibName, 18786 pkg.staticSharedLibVersion); 18787 if (libEntry != null) { 18788 for (int currUserId : allUsers) { 18789 if (removeUser != UserHandle.USER_ALL && removeUser != currUserId) { 18790 continue; 18791 } 18792 List<VersionedPackage> libClientPackages = getPackagesUsingSharedLibraryLPr( 18793 libEntry.info, 0, currUserId); 18794 if (!ArrayUtils.isEmpty(libClientPackages)) { 18795 Slog.w(TAG, "Not removing package " + pkg.manifestPackageName 18796 + " hosting lib " + libEntry.info.getName() + " version " 18797 + libEntry.info.getVersion() + " used by " + libClientPackages 18798 + " for user " + currUserId); 18799 return PackageManager.DELETE_FAILED_USED_SHARED_LIBRARY; 18800 } 18801 } 18802 } 18803 } 18804 18805 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 18806 } 18807 18808 final int freezeUser; 18809 if (isUpdatedSystemApp(uninstalledPs) 18810 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 18811 // We're downgrading a system app, which will apply to all users, so 18812 // freeze them all during the downgrade 18813 freezeUser = UserHandle.USER_ALL; 18814 } else { 18815 freezeUser = removeUser; 18816 } 18817 18818 synchronized (mInstallLock) { 18819 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 18820 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 18821 deleteFlags, "deletePackageX")) { 18822 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 18823 deleteFlags | FLAGS_REMOVE_CHATTY, info, true, null); 18824 } 18825 synchronized (mPackages) { 18826 if (res) { 18827 if (pkg != null) { 18828 mInstantAppRegistry.onPackageUninstalledLPw(pkg, info.removedUsers); 18829 } 18830 updateSequenceNumberLP(uninstalledPs, info.removedUsers); 18831 updateInstantAppInstallerLocked(packageName); 18832 } 18833 } 18834 } 18835 18836 if (res) { 18837 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 18838 info.sendPackageRemovedBroadcasts(killApp); 18839 info.sendSystemPackageUpdatedBroadcasts(); 18840 info.sendSystemPackageAppearedBroadcasts(); 18841 } 18842 // Force a gc here. 18843 Runtime.getRuntime().gc(); 18844 // Delete the resources here after sending the broadcast to let 18845 // other processes clean up before deleting resources. 18846 if (info.args != null) { 18847 synchronized (mInstallLock) { 18848 info.args.doPostDeleteLI(true); 18849 } 18850 } 18851 18852 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 18853 } 18854 18855 static class PackageRemovedInfo { 18856 final PackageSender packageSender; 18857 String removedPackage; 18858 String installerPackageName; 18859 int uid = -1; 18860 int removedAppId = -1; 18861 int[] origUsers; 18862 int[] removedUsers = null; 18863 int[] broadcastUsers = null; 18864 SparseArray<Integer> installReasons; 18865 boolean isRemovedPackageSystemUpdate = false; 18866 boolean isUpdate; 18867 boolean dataRemoved; 18868 boolean removedForAllUsers; 18869 boolean isStaticSharedLib; 18870 // Clean up resources deleted packages. 18871 InstallArgs args = null; 18872 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 18873 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 18874 18875 PackageRemovedInfo(PackageSender packageSender) { 18876 this.packageSender = packageSender; 18877 } 18878 18879 void sendPackageRemovedBroadcasts(boolean killApp) { 18880 sendPackageRemovedBroadcastInternal(killApp); 18881 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 18882 for (int i = 0; i < childCount; i++) { 18883 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 18884 childInfo.sendPackageRemovedBroadcastInternal(killApp); 18885 } 18886 } 18887 18888 void sendSystemPackageUpdatedBroadcasts() { 18889 if (isRemovedPackageSystemUpdate) { 18890 sendSystemPackageUpdatedBroadcastsInternal(); 18891 final int childCount = (removedChildPackages != null) 18892 ? removedChildPackages.size() : 0; 18893 for (int i = 0; i < childCount; i++) { 18894 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 18895 if (childInfo.isRemovedPackageSystemUpdate) { 18896 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 18897 } 18898 } 18899 } 18900 } 18901 18902 void sendSystemPackageAppearedBroadcasts() { 18903 final int packageCount = (appearedChildPackages != null) 18904 ? appearedChildPackages.size() : 0; 18905 for (int i = 0; i < packageCount; i++) { 18906 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 18907 packageSender.sendPackageAddedForNewUsers(installedInfo.name, 18908 true, UserHandle.getAppId(installedInfo.uid), 18909 installedInfo.newUsers); 18910 } 18911 } 18912 18913 private void sendSystemPackageUpdatedBroadcastsInternal() { 18914 Bundle extras = new Bundle(2); 18915 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 18916 extras.putBoolean(Intent.EXTRA_REPLACING, true); 18917 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 18918 removedPackage, extras, 0, null /*targetPackage*/, null, null); 18919 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 18920 removedPackage, extras, 0, null /*targetPackage*/, null, null); 18921 packageSender.sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 18922 null, null, 0, removedPackage, null, null); 18923 if (installerPackageName != null) { 18924 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 18925 removedPackage, extras, 0 /*flags*/, 18926 installerPackageName, null, null); 18927 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 18928 removedPackage, extras, 0 /*flags*/, 18929 installerPackageName, null, null); 18930 } 18931 } 18932 18933 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 18934 // Don't send static shared library removal broadcasts as these 18935 // libs are visible only the the apps that depend on them an one 18936 // cannot remove the library if it has a dependency. 18937 if (isStaticSharedLib) { 18938 return; 18939 } 18940 Bundle extras = new Bundle(2); 18941 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 18942 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 18943 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 18944 if (isUpdate || isRemovedPackageSystemUpdate) { 18945 extras.putBoolean(Intent.EXTRA_REPLACING, true); 18946 } 18947 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 18948 if (removedPackage != null) { 18949 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, 18950 removedPackage, extras, 0, null /*targetPackage*/, null, broadcastUsers); 18951 if (installerPackageName != null) { 18952 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, 18953 removedPackage, extras, 0 /*flags*/, 18954 installerPackageName, null, broadcastUsers); 18955 } 18956 if (dataRemoved && !isRemovedPackageSystemUpdate) { 18957 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 18958 removedPackage, extras, 18959 Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND, 18960 null, null, broadcastUsers); 18961 } 18962 } 18963 if (removedAppId >= 0) { 18964 packageSender.sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 18965 Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND, null, null, broadcastUsers); 18966 } 18967 } 18968 18969 void populateUsers(int[] userIds, PackageSetting deletedPackageSetting) { 18970 removedUsers = userIds; 18971 if (removedUsers == null) { 18972 broadcastUsers = null; 18973 return; 18974 } 18975 18976 broadcastUsers = EMPTY_INT_ARRAY; 18977 for (int i = userIds.length - 1; i >= 0; --i) { 18978 final int userId = userIds[i]; 18979 if (deletedPackageSetting.getInstantApp(userId)) { 18980 continue; 18981 } 18982 broadcastUsers = ArrayUtils.appendInt(broadcastUsers, userId); 18983 } 18984 } 18985 } 18986 18987 /* 18988 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 18989 * flag is not set, the data directory is removed as well. 18990 * make sure this flag is set for partially installed apps. If not its meaningless to 18991 * delete a partially installed application. 18992 */ 18993 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 18994 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 18995 String packageName = ps.name; 18996 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 18997 // Retrieve object to delete permissions for shared user later on 18998 final PackageParser.Package deletedPkg; 18999 final PackageSetting deletedPs; 19000 // reader 19001 synchronized (mPackages) { 19002 deletedPkg = mPackages.get(packageName); 19003 deletedPs = mSettings.mPackages.get(packageName); 19004 if (outInfo != null) { 19005 outInfo.removedPackage = packageName; 19006 outInfo.installerPackageName = ps.installerPackageName; 19007 outInfo.isStaticSharedLib = deletedPkg != null 19008 && deletedPkg.staticSharedLibName != null; 19009 outInfo.populateUsers(deletedPs == null ? null 19010 : deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true), deletedPs); 19011 } 19012 } 19013 19014 removePackageLI(ps, (flags & FLAGS_REMOVE_CHATTY) != 0); 19015 19016 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 19017 final PackageParser.Package resolvedPkg; 19018 if (deletedPkg != null) { 19019 resolvedPkg = deletedPkg; 19020 } else { 19021 // We don't have a parsed package when it lives on an ejected 19022 // adopted storage device, so fake something together 19023 resolvedPkg = new PackageParser.Package(ps.name); 19024 resolvedPkg.setVolumeUuid(ps.volumeUuid); 19025 } 19026 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 19027 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19028 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 19029 if (outInfo != null) { 19030 outInfo.dataRemoved = true; 19031 } 19032 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 19033 } 19034 19035 int removedAppId = -1; 19036 19037 // writer 19038 synchronized (mPackages) { 19039 boolean installedStateChanged = false; 19040 if (deletedPs != null) { 19041 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 19042 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 19043 clearDefaultBrowserIfNeeded(packageName); 19044 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 19045 removedAppId = mSettings.removePackageLPw(packageName); 19046 if (outInfo != null) { 19047 outInfo.removedAppId = removedAppId; 19048 } 19049 updatePermissionsLPw(deletedPs.name, null, 0); 19050 if (deletedPs.sharedUser != null) { 19051 // Remove permissions associated with package. Since runtime 19052 // permissions are per user we have to kill the removed package 19053 // or packages running under the shared user of the removed 19054 // package if revoking the permissions requested only by the removed 19055 // package is successful and this causes a change in gids. 19056 for (int userId : UserManagerService.getInstance().getUserIds()) { 19057 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 19058 userId); 19059 if (userIdToKill == UserHandle.USER_ALL 19060 || userIdToKill >= UserHandle.USER_SYSTEM) { 19061 // If gids changed for this user, kill all affected packages. 19062 mHandler.post(new Runnable() { 19063 @Override 19064 public void run() { 19065 // This has to happen with no lock held. 19066 killApplication(deletedPs.name, deletedPs.appId, 19067 KILL_APP_REASON_GIDS_CHANGED); 19068 } 19069 }); 19070 break; 19071 } 19072 } 19073 } 19074 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 19075 } 19076 // make sure to preserve per-user disabled state if this removal was just 19077 // a downgrade of a system app to the factory package 19078 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 19079 if (DEBUG_REMOVE) { 19080 Slog.d(TAG, "Propagating install state across downgrade"); 19081 } 19082 for (int userId : allUserHandles) { 19083 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 19084 if (DEBUG_REMOVE) { 19085 Slog.d(TAG, " user " + userId + " => " + installed); 19086 } 19087 if (installed != ps.getInstalled(userId)) { 19088 installedStateChanged = true; 19089 } 19090 ps.setInstalled(installed, userId); 19091 } 19092 } 19093 } 19094 // can downgrade to reader 19095 if (writeSettings) { 19096 // Save settings now 19097 mSettings.writeLPr(); 19098 } 19099 if (installedStateChanged) { 19100 mSettings.writeKernelMappingLPr(ps); 19101 } 19102 } 19103 if (removedAppId != -1) { 19104 // A user ID was deleted here. Go through all users and remove it 19105 // from KeyStore. 19106 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, removedAppId); 19107 } 19108 } 19109 19110 static boolean locationIsPrivileged(File path) { 19111 try { 19112 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 19113 .getCanonicalPath(); 19114 return path.getCanonicalPath().startsWith(privilegedAppDir); 19115 } catch (IOException e) { 19116 Slog.e(TAG, "Unable to access code path " + path); 19117 } 19118 return false; 19119 } 19120 19121 /* 19122 * Tries to delete system package. 19123 */ 19124 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 19125 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 19126 boolean writeSettings) { 19127 if (deletedPs.parentPackageName != null) { 19128 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 19129 return false; 19130 } 19131 19132 final boolean applyUserRestrictions 19133 = (allUserHandles != null) && (outInfo.origUsers != null); 19134 final PackageSetting disabledPs; 19135 // Confirm if the system package has been updated 19136 // An updated system app can be deleted. This will also have to restore 19137 // the system pkg from system partition 19138 // reader 19139 synchronized (mPackages) { 19140 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 19141 } 19142 19143 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 19144 + " disabledPs=" + disabledPs); 19145 19146 if (disabledPs == null) { 19147 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 19148 return false; 19149 } else if (DEBUG_REMOVE) { 19150 Slog.d(TAG, "Deleting system pkg from data partition"); 19151 } 19152 19153 if (DEBUG_REMOVE) { 19154 if (applyUserRestrictions) { 19155 Slog.d(TAG, "Remembering install states:"); 19156 for (int userId : allUserHandles) { 19157 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 19158 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 19159 } 19160 } 19161 } 19162 19163 // Delete the updated package 19164 outInfo.isRemovedPackageSystemUpdate = true; 19165 if (outInfo.removedChildPackages != null) { 19166 final int childCount = (deletedPs.childPackageNames != null) 19167 ? deletedPs.childPackageNames.size() : 0; 19168 for (int i = 0; i < childCount; i++) { 19169 String childPackageName = deletedPs.childPackageNames.get(i); 19170 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 19171 .contains(childPackageName)) { 19172 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 19173 childPackageName); 19174 if (childInfo != null) { 19175 childInfo.isRemovedPackageSystemUpdate = true; 19176 } 19177 } 19178 } 19179 } 19180 19181 if (disabledPs.versionCode < deletedPs.versionCode) { 19182 // Delete data for downgrades 19183 flags &= ~PackageManager.DELETE_KEEP_DATA; 19184 } else { 19185 // Preserve data by setting flag 19186 flags |= PackageManager.DELETE_KEEP_DATA; 19187 } 19188 19189 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 19190 outInfo, writeSettings, disabledPs.pkg); 19191 if (!ret) { 19192 return false; 19193 } 19194 19195 // writer 19196 synchronized (mPackages) { 19197 // Reinstate the old system package 19198 enableSystemPackageLPw(disabledPs.pkg); 19199 // Remove any native libraries from the upgraded package. 19200 removeNativeBinariesLI(deletedPs); 19201 } 19202 19203 // Install the system package 19204 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 19205 int parseFlags = mDefParseFlags 19206 | PackageParser.PARSE_MUST_BE_APK 19207 | PackageParser.PARSE_IS_SYSTEM 19208 | PackageParser.PARSE_IS_SYSTEM_DIR; 19209 if (locationIsPrivileged(disabledPs.codePath)) { 19210 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 19211 } 19212 19213 final PackageParser.Package newPkg; 19214 try { 19215 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, 0 /* scanFlags */, 19216 0 /* currentTime */, null); 19217 } catch (PackageManagerException e) { 19218 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 19219 + e.getMessage()); 19220 return false; 19221 } 19222 19223 try { 19224 // update shared libraries for the newly re-installed system package 19225 updateSharedLibrariesLPr(newPkg, null); 19226 } catch (PackageManagerException e) { 19227 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 19228 } 19229 19230 prepareAppDataAfterInstallLIF(newPkg); 19231 19232 // writer 19233 synchronized (mPackages) { 19234 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 19235 19236 // Propagate the permissions state as we do not want to drop on the floor 19237 // runtime permissions. The update permissions method below will take 19238 // care of removing obsolete permissions and grant install permissions. 19239 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 19240 updatePermissionsLPw(newPkg.packageName, newPkg, 19241 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 19242 19243 if (applyUserRestrictions) { 19244 boolean installedStateChanged = false; 19245 if (DEBUG_REMOVE) { 19246 Slog.d(TAG, "Propagating install state across reinstall"); 19247 } 19248 for (int userId : allUserHandles) { 19249 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 19250 if (DEBUG_REMOVE) { 19251 Slog.d(TAG, " user " + userId + " => " + installed); 19252 } 19253 if (installed != ps.getInstalled(userId)) { 19254 installedStateChanged = true; 19255 } 19256 ps.setInstalled(installed, userId); 19257 19258 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 19259 } 19260 // Regardless of writeSettings we need to ensure that this restriction 19261 // state propagation is persisted 19262 mSettings.writeAllUsersPackageRestrictionsLPr(); 19263 if (installedStateChanged) { 19264 mSettings.writeKernelMappingLPr(ps); 19265 } 19266 } 19267 // can downgrade to reader here 19268 if (writeSettings) { 19269 mSettings.writeLPr(); 19270 } 19271 } 19272 return true; 19273 } 19274 19275 private boolean deleteInstalledPackageLIF(PackageSetting ps, 19276 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 19277 PackageRemovedInfo outInfo, boolean writeSettings, 19278 PackageParser.Package replacingPackage) { 19279 synchronized (mPackages) { 19280 if (outInfo != null) { 19281 outInfo.uid = ps.appId; 19282 } 19283 19284 if (outInfo != null && outInfo.removedChildPackages != null) { 19285 final int childCount = (ps.childPackageNames != null) 19286 ? ps.childPackageNames.size() : 0; 19287 for (int i = 0; i < childCount; i++) { 19288 String childPackageName = ps.childPackageNames.get(i); 19289 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 19290 if (childPs == null) { 19291 return false; 19292 } 19293 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 19294 childPackageName); 19295 if (childInfo != null) { 19296 childInfo.uid = childPs.appId; 19297 } 19298 } 19299 } 19300 } 19301 19302 // Delete package data from internal structures and also remove data if flag is set 19303 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 19304 19305 // Delete the child packages data 19306 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 19307 for (int i = 0; i < childCount; i++) { 19308 PackageSetting childPs; 19309 synchronized (mPackages) { 19310 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 19311 } 19312 if (childPs != null) { 19313 PackageRemovedInfo childOutInfo = (outInfo != null 19314 && outInfo.removedChildPackages != null) 19315 ? outInfo.removedChildPackages.get(childPs.name) : null; 19316 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 19317 && (replacingPackage != null 19318 && !replacingPackage.hasChildPackage(childPs.name)) 19319 ? flags & ~DELETE_KEEP_DATA : flags; 19320 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 19321 deleteFlags, writeSettings); 19322 } 19323 } 19324 19325 // Delete application code and resources only for parent packages 19326 if (ps.parentPackageName == null) { 19327 if (deleteCodeAndResources && (outInfo != null)) { 19328 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 19329 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 19330 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 19331 } 19332 } 19333 19334 return true; 19335 } 19336 19337 @Override 19338 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 19339 int userId) { 19340 mContext.enforceCallingOrSelfPermission( 19341 android.Manifest.permission.DELETE_PACKAGES, null); 19342 synchronized (mPackages) { 19343 // Cannot block uninstall of static shared libs as they are 19344 // considered a part of the using app (emulating static linking). 19345 // Also static libs are installed always on internal storage. 19346 PackageParser.Package pkg = mPackages.get(packageName); 19347 if (pkg != null && pkg.staticSharedLibName != null) { 19348 Slog.w(TAG, "Cannot block uninstall of package: " + packageName 19349 + " providing static shared library: " + pkg.staticSharedLibName); 19350 return false; 19351 } 19352 mSettings.setBlockUninstallLPw(userId, packageName, blockUninstall); 19353 mSettings.writePackageRestrictionsLPr(userId); 19354 } 19355 return true; 19356 } 19357 19358 @Override 19359 public boolean getBlockUninstallForUser(String packageName, int userId) { 19360 synchronized (mPackages) { 19361 final PackageSetting ps = mSettings.mPackages.get(packageName); 19362 if (ps == null || filterAppAccessLPr(ps, Binder.getCallingUid(), userId)) { 19363 return false; 19364 } 19365 return mSettings.getBlockUninstallLPr(userId, packageName); 19366 } 19367 } 19368 19369 @Override 19370 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 19371 enforceSystemOrRoot("setRequiredForSystemUser can only be run by the system or root"); 19372 synchronized (mPackages) { 19373 PackageSetting ps = mSettings.mPackages.get(packageName); 19374 if (ps == null) { 19375 Log.w(TAG, "Package doesn't exist: " + packageName); 19376 return false; 19377 } 19378 if (systemUserApp) { 19379 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 19380 } else { 19381 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 19382 } 19383 mSettings.writeLPr(); 19384 } 19385 return true; 19386 } 19387 19388 /* 19389 * This method handles package deletion in general 19390 */ 19391 private boolean deletePackageLIF(String packageName, UserHandle user, 19392 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 19393 PackageRemovedInfo outInfo, boolean writeSettings, 19394 PackageParser.Package replacingPackage) { 19395 if (packageName == null) { 19396 Slog.w(TAG, "Attempt to delete null packageName."); 19397 return false; 19398 } 19399 19400 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 19401 19402 PackageSetting ps; 19403 synchronized (mPackages) { 19404 ps = mSettings.mPackages.get(packageName); 19405 if (ps == null) { 19406 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 19407 return false; 19408 } 19409 19410 if (ps.parentPackageName != null && (!isSystemApp(ps) 19411 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 19412 if (DEBUG_REMOVE) { 19413 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 19414 + ((user == null) ? UserHandle.USER_ALL : user)); 19415 } 19416 final int removedUserId = (user != null) ? user.getIdentifier() 19417 : UserHandle.USER_ALL; 19418 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 19419 return false; 19420 } 19421 markPackageUninstalledForUserLPw(ps, user); 19422 scheduleWritePackageRestrictionsLocked(user); 19423 return true; 19424 } 19425 } 19426 19427 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 19428 && user.getIdentifier() != UserHandle.USER_ALL)) { 19429 // The caller is asking that the package only be deleted for a single 19430 // user. To do this, we just mark its uninstalled state and delete 19431 // its data. If this is a system app, we only allow this to happen if 19432 // they have set the special DELETE_SYSTEM_APP which requests different 19433 // semantics than normal for uninstalling system apps. 19434 markPackageUninstalledForUserLPw(ps, user); 19435 19436 if (!isSystemApp(ps)) { 19437 // Do not uninstall the APK if an app should be cached 19438 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 19439 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 19440 // Other user still have this package installed, so all 19441 // we need to do is clear this user's data and save that 19442 // it is uninstalled. 19443 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 19444 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 19445 return false; 19446 } 19447 scheduleWritePackageRestrictionsLocked(user); 19448 return true; 19449 } else { 19450 // We need to set it back to 'installed' so the uninstall 19451 // broadcasts will be sent correctly. 19452 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 19453 ps.setInstalled(true, user.getIdentifier()); 19454 mSettings.writeKernelMappingLPr(ps); 19455 } 19456 } else { 19457 // This is a system app, so we assume that the 19458 // other users still have this package installed, so all 19459 // we need to do is clear this user's data and save that 19460 // it is uninstalled. 19461 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 19462 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 19463 return false; 19464 } 19465 scheduleWritePackageRestrictionsLocked(user); 19466 return true; 19467 } 19468 } 19469 19470 // If we are deleting a composite package for all users, keep track 19471 // of result for each child. 19472 if (ps.childPackageNames != null && outInfo != null) { 19473 synchronized (mPackages) { 19474 final int childCount = ps.childPackageNames.size(); 19475 outInfo.removedChildPackages = new ArrayMap<>(childCount); 19476 for (int i = 0; i < childCount; i++) { 19477 String childPackageName = ps.childPackageNames.get(i); 19478 PackageRemovedInfo childInfo = new PackageRemovedInfo(this); 19479 childInfo.removedPackage = childPackageName; 19480 childInfo.installerPackageName = ps.installerPackageName; 19481 outInfo.removedChildPackages.put(childPackageName, childInfo); 19482 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 19483 if (childPs != null) { 19484 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 19485 } 19486 } 19487 } 19488 } 19489 19490 boolean ret = false; 19491 if (isSystemApp(ps)) { 19492 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 19493 // When an updated system application is deleted we delete the existing resources 19494 // as well and fall back to existing code in system partition 19495 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 19496 } else { 19497 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 19498 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 19499 outInfo, writeSettings, replacingPackage); 19500 } 19501 19502 // Take a note whether we deleted the package for all users 19503 if (outInfo != null) { 19504 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 19505 if (outInfo.removedChildPackages != null) { 19506 synchronized (mPackages) { 19507 final int childCount = outInfo.removedChildPackages.size(); 19508 for (int i = 0; i < childCount; i++) { 19509 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 19510 if (childInfo != null) { 19511 childInfo.removedForAllUsers = mPackages.get( 19512 childInfo.removedPackage) == null; 19513 } 19514 } 19515 } 19516 } 19517 // If we uninstalled an update to a system app there may be some 19518 // child packages that appeared as they are declared in the system 19519 // app but were not declared in the update. 19520 if (isSystemApp(ps)) { 19521 synchronized (mPackages) { 19522 PackageSetting updatedPs = mSettings.getPackageLPr(ps.name); 19523 final int childCount = (updatedPs.childPackageNames != null) 19524 ? updatedPs.childPackageNames.size() : 0; 19525 for (int i = 0; i < childCount; i++) { 19526 String childPackageName = updatedPs.childPackageNames.get(i); 19527 if (outInfo.removedChildPackages == null 19528 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 19529 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 19530 if (childPs == null) { 19531 continue; 19532 } 19533 PackageInstalledInfo installRes = new PackageInstalledInfo(); 19534 installRes.name = childPackageName; 19535 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 19536 installRes.pkg = mPackages.get(childPackageName); 19537 installRes.uid = childPs.pkg.applicationInfo.uid; 19538 if (outInfo.appearedChildPackages == null) { 19539 outInfo.appearedChildPackages = new ArrayMap<>(); 19540 } 19541 outInfo.appearedChildPackages.put(childPackageName, installRes); 19542 } 19543 } 19544 } 19545 } 19546 } 19547 19548 return ret; 19549 } 19550 19551 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 19552 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 19553 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 19554 for (int nextUserId : userIds) { 19555 if (DEBUG_REMOVE) { 19556 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 19557 } 19558 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 19559 false /*installed*/, 19560 true /*stopped*/, 19561 true /*notLaunched*/, 19562 false /*hidden*/, 19563 false /*suspended*/, 19564 false /*instantApp*/, 19565 null /*lastDisableAppCaller*/, 19566 null /*enabledComponents*/, 19567 null /*disabledComponents*/, 19568 ps.readUserState(nextUserId).domainVerificationStatus, 19569 0, PackageManager.INSTALL_REASON_UNKNOWN); 19570 } 19571 mSettings.writeKernelMappingLPr(ps); 19572 } 19573 19574 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 19575 PackageRemovedInfo outInfo) { 19576 final PackageParser.Package pkg; 19577 synchronized (mPackages) { 19578 pkg = mPackages.get(ps.name); 19579 } 19580 19581 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 19582 : new int[] {userId}; 19583 for (int nextUserId : userIds) { 19584 if (DEBUG_REMOVE) { 19585 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 19586 + nextUserId); 19587 } 19588 19589 destroyAppDataLIF(pkg, userId, 19590 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19591 destroyAppProfilesLIF(pkg, userId); 19592 clearDefaultBrowserIfNeededForUser(ps.name, userId); 19593 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 19594 schedulePackageCleaning(ps.name, nextUserId, false); 19595 synchronized (mPackages) { 19596 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 19597 scheduleWritePackageRestrictionsLocked(nextUserId); 19598 } 19599 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 19600 } 19601 } 19602 19603 if (outInfo != null) { 19604 outInfo.removedPackage = ps.name; 19605 outInfo.installerPackageName = ps.installerPackageName; 19606 outInfo.isStaticSharedLib = pkg != null && pkg.staticSharedLibName != null; 19607 outInfo.removedAppId = ps.appId; 19608 outInfo.removedUsers = userIds; 19609 outInfo.broadcastUsers = userIds; 19610 } 19611 19612 return true; 19613 } 19614 19615 private final class ClearStorageConnection implements ServiceConnection { 19616 IMediaContainerService mContainerService; 19617 19618 @Override 19619 public void onServiceConnected(ComponentName name, IBinder service) { 19620 synchronized (this) { 19621 mContainerService = IMediaContainerService.Stub 19622 .asInterface(Binder.allowBlocking(service)); 19623 notifyAll(); 19624 } 19625 } 19626 19627 @Override 19628 public void onServiceDisconnected(ComponentName name) { 19629 } 19630 } 19631 19632 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 19633 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 19634 19635 final boolean mounted; 19636 if (Environment.isExternalStorageEmulated()) { 19637 mounted = true; 19638 } else { 19639 final String status = Environment.getExternalStorageState(); 19640 19641 mounted = status.equals(Environment.MEDIA_MOUNTED) 19642 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 19643 } 19644 19645 if (!mounted) { 19646 return; 19647 } 19648 19649 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 19650 int[] users; 19651 if (userId == UserHandle.USER_ALL) { 19652 users = sUserManager.getUserIds(); 19653 } else { 19654 users = new int[] { userId }; 19655 } 19656 final ClearStorageConnection conn = new ClearStorageConnection(); 19657 if (mContext.bindServiceAsUser( 19658 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 19659 try { 19660 for (int curUser : users) { 19661 long timeout = SystemClock.uptimeMillis() + 5000; 19662 synchronized (conn) { 19663 long now; 19664 while (conn.mContainerService == null && 19665 (now = SystemClock.uptimeMillis()) < timeout) { 19666 try { 19667 conn.wait(timeout - now); 19668 } catch (InterruptedException e) { 19669 } 19670 } 19671 } 19672 if (conn.mContainerService == null) { 19673 return; 19674 } 19675 19676 final UserEnvironment userEnv = new UserEnvironment(curUser); 19677 clearDirectory(conn.mContainerService, 19678 userEnv.buildExternalStorageAppCacheDirs(packageName)); 19679 if (allData) { 19680 clearDirectory(conn.mContainerService, 19681 userEnv.buildExternalStorageAppDataDirs(packageName)); 19682 clearDirectory(conn.mContainerService, 19683 userEnv.buildExternalStorageAppMediaDirs(packageName)); 19684 } 19685 } 19686 } finally { 19687 mContext.unbindService(conn); 19688 } 19689 } 19690 } 19691 19692 @Override 19693 public void clearApplicationProfileData(String packageName) { 19694 enforceSystemOrRoot("Only the system can clear all profile data"); 19695 19696 final PackageParser.Package pkg; 19697 synchronized (mPackages) { 19698 pkg = mPackages.get(packageName); 19699 } 19700 19701 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 19702 synchronized (mInstallLock) { 19703 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 19704 } 19705 } 19706 } 19707 19708 @Override 19709 public void clearApplicationUserData(final String packageName, 19710 final IPackageDataObserver observer, final int userId) { 19711 mContext.enforceCallingOrSelfPermission( 19712 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 19713 19714 final int callingUid = Binder.getCallingUid(); 19715 enforceCrossUserPermission(callingUid, userId, 19716 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 19717 19718 final PackageSetting ps = mSettings.getPackageLPr(packageName); 19719 if (ps != null && filterAppAccessLPr(ps, callingUid, userId)) { 19720 return; 19721 } 19722 if (mProtectedPackages.isPackageDataProtected(userId, packageName)) { 19723 throw new SecurityException("Cannot clear data for a protected package: " 19724 + packageName); 19725 } 19726 // Queue up an async operation since the package deletion may take a little while. 19727 mHandler.post(new Runnable() { 19728 public void run() { 19729 mHandler.removeCallbacks(this); 19730 final boolean succeeded; 19731 try (PackageFreezer freezer = freezePackage(packageName, 19732 "clearApplicationUserData")) { 19733 synchronized (mInstallLock) { 19734 succeeded = clearApplicationUserDataLIF(packageName, userId); 19735 } 19736 clearExternalStorageDataSync(packageName, userId, true); 19737 synchronized (mPackages) { 19738 mInstantAppRegistry.deleteInstantApplicationMetadataLPw( 19739 packageName, userId); 19740 } 19741 } 19742 if (succeeded) { 19743 // invoke DeviceStorageMonitor's update method to clear any notifications 19744 DeviceStorageMonitorInternal dsm = LocalServices 19745 .getService(DeviceStorageMonitorInternal.class); 19746 if (dsm != null) { 19747 dsm.checkMemory(); 19748 } 19749 } 19750 if(observer != null) { 19751 try { 19752 observer.onRemoveCompleted(packageName, succeeded); 19753 } catch (RemoteException e) { 19754 Log.i(TAG, "Observer no longer exists."); 19755 } 19756 } //end if observer 19757 } //end run 19758 }); 19759 } 19760 19761 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 19762 if (packageName == null) { 19763 Slog.w(TAG, "Attempt to delete null packageName."); 19764 return false; 19765 } 19766 19767 // Try finding details about the requested package 19768 PackageParser.Package pkg; 19769 synchronized (mPackages) { 19770 pkg = mPackages.get(packageName); 19771 if (pkg == null) { 19772 final PackageSetting ps = mSettings.mPackages.get(packageName); 19773 if (ps != null) { 19774 pkg = ps.pkg; 19775 } 19776 } 19777 19778 if (pkg == null) { 19779 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 19780 return false; 19781 } 19782 19783 PackageSetting ps = (PackageSetting) pkg.mExtras; 19784 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 19785 } 19786 19787 clearAppDataLIF(pkg, userId, 19788 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19789 19790 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 19791 removeKeystoreDataIfNeeded(userId, appId); 19792 19793 UserManagerInternal umInternal = getUserManagerInternal(); 19794 final int flags; 19795 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 19796 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19797 } else if (umInternal.isUserRunning(userId)) { 19798 flags = StorageManager.FLAG_STORAGE_DE; 19799 } else { 19800 flags = 0; 19801 } 19802 prepareAppDataContentsLIF(pkg, userId, flags); 19803 19804 return true; 19805 } 19806 19807 /** 19808 * Reverts user permission state changes (permissions and flags) in 19809 * all packages for a given user. 19810 * 19811 * @param userId The device user for which to do a reset. 19812 */ 19813 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 19814 final int packageCount = mPackages.size(); 19815 for (int i = 0; i < packageCount; i++) { 19816 PackageParser.Package pkg = mPackages.valueAt(i); 19817 PackageSetting ps = (PackageSetting) pkg.mExtras; 19818 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 19819 } 19820 } 19821 19822 private void resetNetworkPolicies(int userId) { 19823 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 19824 } 19825 19826 /** 19827 * Reverts user permission state changes (permissions and flags). 19828 * 19829 * @param ps The package for which to reset. 19830 * @param userId The device user for which to do a reset. 19831 */ 19832 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 19833 final PackageSetting ps, final int userId) { 19834 if (ps.pkg == null) { 19835 return; 19836 } 19837 19838 // These are flags that can change base on user actions. 19839 final int userSettableMask = FLAG_PERMISSION_USER_SET 19840 | FLAG_PERMISSION_USER_FIXED 19841 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 19842 | FLAG_PERMISSION_REVIEW_REQUIRED; 19843 19844 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 19845 | FLAG_PERMISSION_POLICY_FIXED; 19846 19847 boolean writeInstallPermissions = false; 19848 boolean writeRuntimePermissions = false; 19849 19850 final int permissionCount = ps.pkg.requestedPermissions.size(); 19851 for (int i = 0; i < permissionCount; i++) { 19852 String permission = ps.pkg.requestedPermissions.get(i); 19853 19854 BasePermission bp = mSettings.mPermissions.get(permission); 19855 if (bp == null) { 19856 continue; 19857 } 19858 19859 // If shared user we just reset the state to which only this app contributed. 19860 if (ps.sharedUser != null) { 19861 boolean used = false; 19862 final int packageCount = ps.sharedUser.packages.size(); 19863 for (int j = 0; j < packageCount; j++) { 19864 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 19865 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 19866 && pkg.pkg.requestedPermissions.contains(permission)) { 19867 used = true; 19868 break; 19869 } 19870 } 19871 if (used) { 19872 continue; 19873 } 19874 } 19875 19876 PermissionsState permissionsState = ps.getPermissionsState(); 19877 19878 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 19879 19880 // Always clear the user settable flags. 19881 final boolean hasInstallState = permissionsState.getInstallPermissionState( 19882 bp.name) != null; 19883 // If permission review is enabled and this is a legacy app, mark the 19884 // permission as requiring a review as this is the initial state. 19885 int flags = 0; 19886 if (mPermissionReviewRequired 19887 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 19888 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 19889 } 19890 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 19891 if (hasInstallState) { 19892 writeInstallPermissions = true; 19893 } else { 19894 writeRuntimePermissions = true; 19895 } 19896 } 19897 19898 // Below is only runtime permission handling. 19899 if (!bp.isRuntime()) { 19900 continue; 19901 } 19902 19903 // Never clobber system or policy. 19904 if ((oldFlags & policyOrSystemFlags) != 0) { 19905 continue; 19906 } 19907 19908 // If this permission was granted by default, make sure it is. 19909 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 19910 if (permissionsState.grantRuntimePermission(bp, userId) 19911 != PERMISSION_OPERATION_FAILURE) { 19912 writeRuntimePermissions = true; 19913 } 19914 // If permission review is enabled the permissions for a legacy apps 19915 // are represented as constantly granted runtime ones, so don't revoke. 19916 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 19917 // Otherwise, reset the permission. 19918 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 19919 switch (revokeResult) { 19920 case PERMISSION_OPERATION_SUCCESS: 19921 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 19922 writeRuntimePermissions = true; 19923 final int appId = ps.appId; 19924 mHandler.post(new Runnable() { 19925 @Override 19926 public void run() { 19927 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 19928 } 19929 }); 19930 } break; 19931 } 19932 } 19933 } 19934 19935 // Synchronously write as we are taking permissions away. 19936 if (writeRuntimePermissions) { 19937 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 19938 } 19939 19940 // Synchronously write as we are taking permissions away. 19941 if (writeInstallPermissions) { 19942 mSettings.writeLPr(); 19943 } 19944 } 19945 19946 /** 19947 * Remove entries from the keystore daemon. Will only remove it if the 19948 * {@code appId} is valid. 19949 */ 19950 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 19951 if (appId < 0) { 19952 return; 19953 } 19954 19955 final KeyStore keyStore = KeyStore.getInstance(); 19956 if (keyStore != null) { 19957 if (userId == UserHandle.USER_ALL) { 19958 for (final int individual : sUserManager.getUserIds()) { 19959 keyStore.clearUid(UserHandle.getUid(individual, appId)); 19960 } 19961 } else { 19962 keyStore.clearUid(UserHandle.getUid(userId, appId)); 19963 } 19964 } else { 19965 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 19966 } 19967 } 19968 19969 @Override 19970 public void deleteApplicationCacheFiles(final String packageName, 19971 final IPackageDataObserver observer) { 19972 final int userId = UserHandle.getCallingUserId(); 19973 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 19974 } 19975 19976 @Override 19977 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 19978 final IPackageDataObserver observer) { 19979 final int callingUid = Binder.getCallingUid(); 19980 mContext.enforceCallingOrSelfPermission( 19981 android.Manifest.permission.DELETE_CACHE_FILES, null); 19982 enforceCrossUserPermission(callingUid, userId, 19983 /* requireFullPermission= */ true, /* checkShell= */ false, 19984 "delete application cache files"); 19985 final int hasAccessInstantApps = mContext.checkCallingOrSelfPermission( 19986 android.Manifest.permission.ACCESS_INSTANT_APPS); 19987 19988 final PackageParser.Package pkg; 19989 synchronized (mPackages) { 19990 pkg = mPackages.get(packageName); 19991 } 19992 19993 // Queue up an async operation since the package deletion may take a little while. 19994 mHandler.post(new Runnable() { 19995 public void run() { 19996 final PackageSetting ps = pkg == null ? null : (PackageSetting) pkg.mExtras; 19997 boolean doClearData = true; 19998 if (ps != null) { 19999 final boolean targetIsInstantApp = 20000 ps.getInstantApp(UserHandle.getUserId(callingUid)); 20001 doClearData = !targetIsInstantApp 20002 || hasAccessInstantApps == PackageManager.PERMISSION_GRANTED; 20003 } 20004 if (doClearData) { 20005 synchronized (mInstallLock) { 20006 final int flags = StorageManager.FLAG_STORAGE_DE 20007 | StorageManager.FLAG_STORAGE_CE; 20008 // We're only clearing cache files, so we don't care if the 20009 // app is unfrozen and still able to run 20010 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 20011 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 20012 } 20013 clearExternalStorageDataSync(packageName, userId, false); 20014 } 20015 if (observer != null) { 20016 try { 20017 observer.onRemoveCompleted(packageName, true); 20018 } catch (RemoteException e) { 20019 Log.i(TAG, "Observer no longer exists."); 20020 } 20021 } 20022 } 20023 }); 20024 } 20025 20026 @Override 20027 public void getPackageSizeInfo(final String packageName, int userHandle, 20028 final IPackageStatsObserver observer) { 20029 throw new UnsupportedOperationException( 20030 "Shame on you for calling the hidden API getPackageSizeInfo(). Shame!"); 20031 } 20032 20033 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 20034 final PackageSetting ps; 20035 synchronized (mPackages) { 20036 ps = mSettings.mPackages.get(packageName); 20037 if (ps == null) { 20038 Slog.w(TAG, "Failed to find settings for " + packageName); 20039 return false; 20040 } 20041 } 20042 20043 final String[] packageNames = { packageName }; 20044 final long[] ceDataInodes = { ps.getCeDataInode(userId) }; 20045 final String[] codePaths = { ps.codePathString }; 20046 20047 try { 20048 mInstaller.getAppSize(ps.volumeUuid, packageNames, userId, 0, 20049 ps.appId, ceDataInodes, codePaths, stats); 20050 20051 // For now, ignore code size of packages on system partition 20052 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 20053 stats.codeSize = 0; 20054 } 20055 20056 // External clients expect these to be tracked separately 20057 stats.dataSize -= stats.cacheSize; 20058 20059 } catch (InstallerException e) { 20060 Slog.w(TAG, String.valueOf(e)); 20061 return false; 20062 } 20063 20064 return true; 20065 } 20066 20067 private int getUidTargetSdkVersionLockedLPr(int uid) { 20068 Object obj = mSettings.getUserIdLPr(uid); 20069 if (obj instanceof SharedUserSetting) { 20070 final SharedUserSetting sus = (SharedUserSetting) obj; 20071 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 20072 final Iterator<PackageSetting> it = sus.packages.iterator(); 20073 while (it.hasNext()) { 20074 final PackageSetting ps = it.next(); 20075 if (ps.pkg != null) { 20076 int v = ps.pkg.applicationInfo.targetSdkVersion; 20077 if (v < vers) vers = v; 20078 } 20079 } 20080 return vers; 20081 } else if (obj instanceof PackageSetting) { 20082 final PackageSetting ps = (PackageSetting) obj; 20083 if (ps.pkg != null) { 20084 return ps.pkg.applicationInfo.targetSdkVersion; 20085 } 20086 } 20087 return Build.VERSION_CODES.CUR_DEVELOPMENT; 20088 } 20089 20090 @Override 20091 public void addPreferredActivity(IntentFilter filter, int match, 20092 ComponentName[] set, ComponentName activity, int userId) { 20093 addPreferredActivityInternal(filter, match, set, activity, true, userId, 20094 "Adding preferred"); 20095 } 20096 20097 private void addPreferredActivityInternal(IntentFilter filter, int match, 20098 ComponentName[] set, ComponentName activity, boolean always, int userId, 20099 String opname) { 20100 // writer 20101 int callingUid = Binder.getCallingUid(); 20102 enforceCrossUserPermission(callingUid, userId, 20103 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 20104 if (filter.countActions() == 0) { 20105 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 20106 return; 20107 } 20108 synchronized (mPackages) { 20109 if (mContext.checkCallingOrSelfPermission( 20110 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 20111 != PackageManager.PERMISSION_GRANTED) { 20112 if (getUidTargetSdkVersionLockedLPr(callingUid) 20113 < Build.VERSION_CODES.FROYO) { 20114 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 20115 + callingUid); 20116 return; 20117 } 20118 mContext.enforceCallingOrSelfPermission( 20119 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 20120 } 20121 20122 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 20123 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 20124 + userId + ":"); 20125 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 20126 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 20127 scheduleWritePackageRestrictionsLocked(userId); 20128 postPreferredActivityChangedBroadcast(userId); 20129 } 20130 } 20131 20132 private void postPreferredActivityChangedBroadcast(int userId) { 20133 mHandler.post(() -> { 20134 final IActivityManager am = ActivityManager.getService(); 20135 if (am == null) { 20136 return; 20137 } 20138 20139 final Intent intent = new Intent(Intent.ACTION_PREFERRED_ACTIVITY_CHANGED); 20140 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 20141 try { 20142 am.broadcastIntent(null, intent, null, null, 20143 0, null, null, null, android.app.AppOpsManager.OP_NONE, 20144 null, false, false, userId); 20145 } catch (RemoteException e) { 20146 } 20147 }); 20148 } 20149 20150 @Override 20151 public void replacePreferredActivity(IntentFilter filter, int match, 20152 ComponentName[] set, ComponentName activity, int userId) { 20153 if (filter.countActions() != 1) { 20154 throw new IllegalArgumentException( 20155 "replacePreferredActivity expects filter to have only 1 action."); 20156 } 20157 if (filter.countDataAuthorities() != 0 20158 || filter.countDataPaths() != 0 20159 || filter.countDataSchemes() > 1 20160 || filter.countDataTypes() != 0) { 20161 throw new IllegalArgumentException( 20162 "replacePreferredActivity expects filter to have no data authorities, " + 20163 "paths, or types; and at most one scheme."); 20164 } 20165 20166 final int callingUid = Binder.getCallingUid(); 20167 enforceCrossUserPermission(callingUid, userId, 20168 true /* requireFullPermission */, false /* checkShell */, 20169 "replace preferred activity"); 20170 synchronized (mPackages) { 20171 if (mContext.checkCallingOrSelfPermission( 20172 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 20173 != PackageManager.PERMISSION_GRANTED) { 20174 if (getUidTargetSdkVersionLockedLPr(callingUid) 20175 < Build.VERSION_CODES.FROYO) { 20176 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 20177 + Binder.getCallingUid()); 20178 return; 20179 } 20180 mContext.enforceCallingOrSelfPermission( 20181 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 20182 } 20183 20184 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 20185 if (pir != null) { 20186 // Get all of the existing entries that exactly match this filter. 20187 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 20188 if (existing != null && existing.size() == 1) { 20189 PreferredActivity cur = existing.get(0); 20190 if (DEBUG_PREFERRED) { 20191 Slog.i(TAG, "Checking replace of preferred:"); 20192 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 20193 if (!cur.mPref.mAlways) { 20194 Slog.i(TAG, " -- CUR; not mAlways!"); 20195 } else { 20196 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 20197 Slog.i(TAG, " -- CUR: mSet=" 20198 + Arrays.toString(cur.mPref.mSetComponents)); 20199 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 20200 Slog.i(TAG, " -- NEW: mMatch=" 20201 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 20202 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 20203 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 20204 } 20205 } 20206 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 20207 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 20208 && cur.mPref.sameSet(set)) { 20209 // Setting the preferred activity to what it happens to be already 20210 if (DEBUG_PREFERRED) { 20211 Slog.i(TAG, "Replacing with same preferred activity " 20212 + cur.mPref.mShortComponent + " for user " 20213 + userId + ":"); 20214 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 20215 } 20216 return; 20217 } 20218 } 20219 20220 if (existing != null) { 20221 if (DEBUG_PREFERRED) { 20222 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 20223 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 20224 } 20225 for (int i = 0; i < existing.size(); i++) { 20226 PreferredActivity pa = existing.get(i); 20227 if (DEBUG_PREFERRED) { 20228 Slog.i(TAG, "Removing existing preferred activity " 20229 + pa.mPref.mComponent + ":"); 20230 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 20231 } 20232 pir.removeFilter(pa); 20233 } 20234 } 20235 } 20236 addPreferredActivityInternal(filter, match, set, activity, true, userId, 20237 "Replacing preferred"); 20238 } 20239 } 20240 20241 @Override 20242 public void clearPackagePreferredActivities(String packageName) { 20243 final int callingUid = Binder.getCallingUid(); 20244 if (getInstantAppPackageName(callingUid) != null) { 20245 return; 20246 } 20247 // writer 20248 synchronized (mPackages) { 20249 PackageParser.Package pkg = mPackages.get(packageName); 20250 if (pkg == null || pkg.applicationInfo.uid != callingUid) { 20251 if (mContext.checkCallingOrSelfPermission( 20252 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 20253 != PackageManager.PERMISSION_GRANTED) { 20254 if (getUidTargetSdkVersionLockedLPr(callingUid) 20255 < Build.VERSION_CODES.FROYO) { 20256 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 20257 + callingUid); 20258 return; 20259 } 20260 mContext.enforceCallingOrSelfPermission( 20261 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 20262 } 20263 } 20264 final PackageSetting ps = mSettings.getPackageLPr(packageName); 20265 if (ps != null 20266 && filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 20267 return; 20268 } 20269 int user = UserHandle.getCallingUserId(); 20270 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 20271 scheduleWritePackageRestrictionsLocked(user); 20272 } 20273 } 20274 } 20275 20276 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 20277 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 20278 ArrayList<PreferredActivity> removed = null; 20279 boolean changed = false; 20280 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 20281 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 20282 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 20283 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 20284 continue; 20285 } 20286 Iterator<PreferredActivity> it = pir.filterIterator(); 20287 while (it.hasNext()) { 20288 PreferredActivity pa = it.next(); 20289 // Mark entry for removal only if it matches the package name 20290 // and the entry is of type "always". 20291 if (packageName == null || 20292 (pa.mPref.mComponent.getPackageName().equals(packageName) 20293 && pa.mPref.mAlways)) { 20294 if (removed == null) { 20295 removed = new ArrayList<PreferredActivity>(); 20296 } 20297 removed.add(pa); 20298 } 20299 } 20300 if (removed != null) { 20301 for (int j=0; j<removed.size(); j++) { 20302 PreferredActivity pa = removed.get(j); 20303 pir.removeFilter(pa); 20304 } 20305 changed = true; 20306 } 20307 } 20308 if (changed) { 20309 postPreferredActivityChangedBroadcast(userId); 20310 } 20311 return changed; 20312 } 20313 20314 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 20315 private void clearIntentFilterVerificationsLPw(int userId) { 20316 final int packageCount = mPackages.size(); 20317 for (int i = 0; i < packageCount; i++) { 20318 PackageParser.Package pkg = mPackages.valueAt(i); 20319 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 20320 } 20321 } 20322 20323 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 20324 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 20325 if (userId == UserHandle.USER_ALL) { 20326 if (mSettings.removeIntentFilterVerificationLPw(packageName, 20327 sUserManager.getUserIds())) { 20328 for (int oneUserId : sUserManager.getUserIds()) { 20329 scheduleWritePackageRestrictionsLocked(oneUserId); 20330 } 20331 } 20332 } else { 20333 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 20334 scheduleWritePackageRestrictionsLocked(userId); 20335 } 20336 } 20337 } 20338 20339 /** Clears state for all users, and touches intent filter verification policy */ 20340 void clearDefaultBrowserIfNeeded(String packageName) { 20341 for (int oneUserId : sUserManager.getUserIds()) { 20342 clearDefaultBrowserIfNeededForUser(packageName, oneUserId); 20343 } 20344 } 20345 20346 private void clearDefaultBrowserIfNeededForUser(String packageName, int userId) { 20347 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 20348 if (!TextUtils.isEmpty(defaultBrowserPackageName)) { 20349 if (packageName.equals(defaultBrowserPackageName)) { 20350 setDefaultBrowserPackageName(null, userId); 20351 } 20352 } 20353 } 20354 20355 @Override 20356 public void resetApplicationPreferences(int userId) { 20357 mContext.enforceCallingOrSelfPermission( 20358 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 20359 final long identity = Binder.clearCallingIdentity(); 20360 // writer 20361 try { 20362 synchronized (mPackages) { 20363 clearPackagePreferredActivitiesLPw(null, userId); 20364 mSettings.applyDefaultPreferredAppsLPw(this, userId); 20365 // TODO: We have to reset the default SMS and Phone. This requires 20366 // significant refactoring to keep all default apps in the package 20367 // manager (cleaner but more work) or have the services provide 20368 // callbacks to the package manager to request a default app reset. 20369 applyFactoryDefaultBrowserLPw(userId); 20370 clearIntentFilterVerificationsLPw(userId); 20371 primeDomainVerificationsLPw(userId); 20372 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 20373 scheduleWritePackageRestrictionsLocked(userId); 20374 } 20375 resetNetworkPolicies(userId); 20376 } finally { 20377 Binder.restoreCallingIdentity(identity); 20378 } 20379 } 20380 20381 @Override 20382 public int getPreferredActivities(List<IntentFilter> outFilters, 20383 List<ComponentName> outActivities, String packageName) { 20384 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 20385 return 0; 20386 } 20387 int num = 0; 20388 final int userId = UserHandle.getCallingUserId(); 20389 // reader 20390 synchronized (mPackages) { 20391 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 20392 if (pir != null) { 20393 final Iterator<PreferredActivity> it = pir.filterIterator(); 20394 while (it.hasNext()) { 20395 final PreferredActivity pa = it.next(); 20396 if (packageName == null 20397 || (pa.mPref.mComponent.getPackageName().equals(packageName) 20398 && pa.mPref.mAlways)) { 20399 if (outFilters != null) { 20400 outFilters.add(new IntentFilter(pa)); 20401 } 20402 if (outActivities != null) { 20403 outActivities.add(pa.mPref.mComponent); 20404 } 20405 } 20406 } 20407 } 20408 } 20409 20410 return num; 20411 } 20412 20413 @Override 20414 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 20415 int userId) { 20416 int callingUid = Binder.getCallingUid(); 20417 if (callingUid != Process.SYSTEM_UID) { 20418 throw new SecurityException( 20419 "addPersistentPreferredActivity can only be run by the system"); 20420 } 20421 if (filter.countActions() == 0) { 20422 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 20423 return; 20424 } 20425 synchronized (mPackages) { 20426 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 20427 ":"); 20428 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 20429 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 20430 new PersistentPreferredActivity(filter, activity)); 20431 scheduleWritePackageRestrictionsLocked(userId); 20432 postPreferredActivityChangedBroadcast(userId); 20433 } 20434 } 20435 20436 @Override 20437 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 20438 int callingUid = Binder.getCallingUid(); 20439 if (callingUid != Process.SYSTEM_UID) { 20440 throw new SecurityException( 20441 "clearPackagePersistentPreferredActivities can only be run by the system"); 20442 } 20443 ArrayList<PersistentPreferredActivity> removed = null; 20444 boolean changed = false; 20445 synchronized (mPackages) { 20446 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 20447 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 20448 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 20449 .valueAt(i); 20450 if (userId != thisUserId) { 20451 continue; 20452 } 20453 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 20454 while (it.hasNext()) { 20455 PersistentPreferredActivity ppa = it.next(); 20456 // Mark entry for removal only if it matches the package name. 20457 if (ppa.mComponent.getPackageName().equals(packageName)) { 20458 if (removed == null) { 20459 removed = new ArrayList<PersistentPreferredActivity>(); 20460 } 20461 removed.add(ppa); 20462 } 20463 } 20464 if (removed != null) { 20465 for (int j=0; j<removed.size(); j++) { 20466 PersistentPreferredActivity ppa = removed.get(j); 20467 ppir.removeFilter(ppa); 20468 } 20469 changed = true; 20470 } 20471 } 20472 20473 if (changed) { 20474 scheduleWritePackageRestrictionsLocked(userId); 20475 postPreferredActivityChangedBroadcast(userId); 20476 } 20477 } 20478 } 20479 20480 /** 20481 * Common machinery for picking apart a restored XML blob and passing 20482 * it to a caller-supplied functor to be applied to the running system. 20483 */ 20484 private void restoreFromXml(XmlPullParser parser, int userId, 20485 String expectedStartTag, BlobXmlRestorer functor) 20486 throws IOException, XmlPullParserException { 20487 int type; 20488 while ((type = parser.next()) != XmlPullParser.START_TAG 20489 && type != XmlPullParser.END_DOCUMENT) { 20490 } 20491 if (type != XmlPullParser.START_TAG) { 20492 // oops didn't find a start tag?! 20493 if (DEBUG_BACKUP) { 20494 Slog.e(TAG, "Didn't find start tag during restore"); 20495 } 20496 return; 20497 } 20498Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 20499 // this is supposed to be TAG_PREFERRED_BACKUP 20500 if (!expectedStartTag.equals(parser.getName())) { 20501 if (DEBUG_BACKUP) { 20502 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 20503 } 20504 return; 20505 } 20506 20507 // skip interfering stuff, then we're aligned with the backing implementation 20508 while ((type = parser.next()) == XmlPullParser.TEXT) { } 20509Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 20510 functor.apply(parser, userId); 20511 } 20512 20513 private interface BlobXmlRestorer { 20514 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 20515 } 20516 20517 /** 20518 * Non-Binder method, support for the backup/restore mechanism: write the 20519 * full set of preferred activities in its canonical XML format. Returns the 20520 * XML output as a byte array, or null if there is none. 20521 */ 20522 @Override 20523 public byte[] getPreferredActivityBackup(int userId) { 20524 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 20525 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 20526 } 20527 20528 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 20529 try { 20530 final XmlSerializer serializer = new FastXmlSerializer(); 20531 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 20532 serializer.startDocument(null, true); 20533 serializer.startTag(null, TAG_PREFERRED_BACKUP); 20534 20535 synchronized (mPackages) { 20536 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 20537 } 20538 20539 serializer.endTag(null, TAG_PREFERRED_BACKUP); 20540 serializer.endDocument(); 20541 serializer.flush(); 20542 } catch (Exception e) { 20543 if (DEBUG_BACKUP) { 20544 Slog.e(TAG, "Unable to write preferred activities for backup", e); 20545 } 20546 return null; 20547 } 20548 20549 return dataStream.toByteArray(); 20550 } 20551 20552 @Override 20553 public void restorePreferredActivities(byte[] backup, int userId) { 20554 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 20555 throw new SecurityException("Only the system may call restorePreferredActivities()"); 20556 } 20557 20558 try { 20559 final XmlPullParser parser = Xml.newPullParser(); 20560 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 20561 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 20562 new BlobXmlRestorer() { 20563 @Override 20564 public void apply(XmlPullParser parser, int userId) 20565 throws XmlPullParserException, IOException { 20566 synchronized (mPackages) { 20567 mSettings.readPreferredActivitiesLPw(parser, userId); 20568 } 20569 } 20570 } ); 20571 } catch (Exception e) { 20572 if (DEBUG_BACKUP) { 20573 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 20574 } 20575 } 20576 } 20577 20578 /** 20579 * Non-Binder method, support for the backup/restore mechanism: write the 20580 * default browser (etc) settings in its canonical XML format. Returns the default 20581 * browser XML representation as a byte array, or null if there is none. 20582 */ 20583 @Override 20584 public byte[] getDefaultAppsBackup(int userId) { 20585 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 20586 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 20587 } 20588 20589 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 20590 try { 20591 final XmlSerializer serializer = new FastXmlSerializer(); 20592 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 20593 serializer.startDocument(null, true); 20594 serializer.startTag(null, TAG_DEFAULT_APPS); 20595 20596 synchronized (mPackages) { 20597 mSettings.writeDefaultAppsLPr(serializer, userId); 20598 } 20599 20600 serializer.endTag(null, TAG_DEFAULT_APPS); 20601 serializer.endDocument(); 20602 serializer.flush(); 20603 } catch (Exception e) { 20604 if (DEBUG_BACKUP) { 20605 Slog.e(TAG, "Unable to write default apps for backup", e); 20606 } 20607 return null; 20608 } 20609 20610 return dataStream.toByteArray(); 20611 } 20612 20613 @Override 20614 public void restoreDefaultApps(byte[] backup, int userId) { 20615 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 20616 throw new SecurityException("Only the system may call restoreDefaultApps()"); 20617 } 20618 20619 try { 20620 final XmlPullParser parser = Xml.newPullParser(); 20621 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 20622 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 20623 new BlobXmlRestorer() { 20624 @Override 20625 public void apply(XmlPullParser parser, int userId) 20626 throws XmlPullParserException, IOException { 20627 synchronized (mPackages) { 20628 mSettings.readDefaultAppsLPw(parser, userId); 20629 } 20630 } 20631 } ); 20632 } catch (Exception e) { 20633 if (DEBUG_BACKUP) { 20634 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 20635 } 20636 } 20637 } 20638 20639 @Override 20640 public byte[] getIntentFilterVerificationBackup(int userId) { 20641 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 20642 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 20643 } 20644 20645 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 20646 try { 20647 final XmlSerializer serializer = new FastXmlSerializer(); 20648 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 20649 serializer.startDocument(null, true); 20650 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 20651 20652 synchronized (mPackages) { 20653 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 20654 } 20655 20656 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 20657 serializer.endDocument(); 20658 serializer.flush(); 20659 } catch (Exception e) { 20660 if (DEBUG_BACKUP) { 20661 Slog.e(TAG, "Unable to write default apps for backup", e); 20662 } 20663 return null; 20664 } 20665 20666 return dataStream.toByteArray(); 20667 } 20668 20669 @Override 20670 public void restoreIntentFilterVerification(byte[] backup, int userId) { 20671 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 20672 throw new SecurityException("Only the system may call restorePreferredActivities()"); 20673 } 20674 20675 try { 20676 final XmlPullParser parser = Xml.newPullParser(); 20677 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 20678 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 20679 new BlobXmlRestorer() { 20680 @Override 20681 public void apply(XmlPullParser parser, int userId) 20682 throws XmlPullParserException, IOException { 20683 synchronized (mPackages) { 20684 mSettings.readAllDomainVerificationsLPr(parser, userId); 20685 mSettings.writeLPr(); 20686 } 20687 } 20688 } ); 20689 } catch (Exception e) { 20690 if (DEBUG_BACKUP) { 20691 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 20692 } 20693 } 20694 } 20695 20696 @Override 20697 public byte[] getPermissionGrantBackup(int userId) { 20698 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 20699 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 20700 } 20701 20702 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 20703 try { 20704 final XmlSerializer serializer = new FastXmlSerializer(); 20705 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 20706 serializer.startDocument(null, true); 20707 serializer.startTag(null, TAG_PERMISSION_BACKUP); 20708 20709 synchronized (mPackages) { 20710 serializeRuntimePermissionGrantsLPr(serializer, userId); 20711 } 20712 20713 serializer.endTag(null, TAG_PERMISSION_BACKUP); 20714 serializer.endDocument(); 20715 serializer.flush(); 20716 } catch (Exception e) { 20717 if (DEBUG_BACKUP) { 20718 Slog.e(TAG, "Unable to write default apps for backup", e); 20719 } 20720 return null; 20721 } 20722 20723 return dataStream.toByteArray(); 20724 } 20725 20726 @Override 20727 public void restorePermissionGrants(byte[] backup, int userId) { 20728 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 20729 throw new SecurityException("Only the system may call restorePermissionGrants()"); 20730 } 20731 20732 try { 20733 final XmlPullParser parser = Xml.newPullParser(); 20734 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 20735 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 20736 new BlobXmlRestorer() { 20737 @Override 20738 public void apply(XmlPullParser parser, int userId) 20739 throws XmlPullParserException, IOException { 20740 synchronized (mPackages) { 20741 processRestoredPermissionGrantsLPr(parser, userId); 20742 } 20743 } 20744 } ); 20745 } catch (Exception e) { 20746 if (DEBUG_BACKUP) { 20747 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 20748 } 20749 } 20750 } 20751 20752 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 20753 throws IOException { 20754 serializer.startTag(null, TAG_ALL_GRANTS); 20755 20756 final int N = mSettings.mPackages.size(); 20757 for (int i = 0; i < N; i++) { 20758 final PackageSetting ps = mSettings.mPackages.valueAt(i); 20759 boolean pkgGrantsKnown = false; 20760 20761 PermissionsState packagePerms = ps.getPermissionsState(); 20762 20763 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 20764 final int grantFlags = state.getFlags(); 20765 // only look at grants that are not system/policy fixed 20766 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 20767 final boolean isGranted = state.isGranted(); 20768 // And only back up the user-twiddled state bits 20769 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 20770 final String packageName = mSettings.mPackages.keyAt(i); 20771 if (!pkgGrantsKnown) { 20772 serializer.startTag(null, TAG_GRANT); 20773 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 20774 pkgGrantsKnown = true; 20775 } 20776 20777 final boolean userSet = 20778 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 20779 final boolean userFixed = 20780 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 20781 final boolean revoke = 20782 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 20783 20784 serializer.startTag(null, TAG_PERMISSION); 20785 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 20786 if (isGranted) { 20787 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 20788 } 20789 if (userSet) { 20790 serializer.attribute(null, ATTR_USER_SET, "true"); 20791 } 20792 if (userFixed) { 20793 serializer.attribute(null, ATTR_USER_FIXED, "true"); 20794 } 20795 if (revoke) { 20796 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 20797 } 20798 serializer.endTag(null, TAG_PERMISSION); 20799 } 20800 } 20801 } 20802 20803 if (pkgGrantsKnown) { 20804 serializer.endTag(null, TAG_GRANT); 20805 } 20806 } 20807 20808 serializer.endTag(null, TAG_ALL_GRANTS); 20809 } 20810 20811 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 20812 throws XmlPullParserException, IOException { 20813 String pkgName = null; 20814 int outerDepth = parser.getDepth(); 20815 int type; 20816 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 20817 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 20818 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 20819 continue; 20820 } 20821 20822 final String tagName = parser.getName(); 20823 if (tagName.equals(TAG_GRANT)) { 20824 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 20825 if (DEBUG_BACKUP) { 20826 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 20827 } 20828 } else if (tagName.equals(TAG_PERMISSION)) { 20829 20830 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 20831 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 20832 20833 int newFlagSet = 0; 20834 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 20835 newFlagSet |= FLAG_PERMISSION_USER_SET; 20836 } 20837 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 20838 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 20839 } 20840 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 20841 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 20842 } 20843 if (DEBUG_BACKUP) { 20844 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 20845 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 20846 } 20847 final PackageSetting ps = mSettings.mPackages.get(pkgName); 20848 if (ps != null) { 20849 // Already installed so we apply the grant immediately 20850 if (DEBUG_BACKUP) { 20851 Slog.v(TAG, " + already installed; applying"); 20852 } 20853 PermissionsState perms = ps.getPermissionsState(); 20854 BasePermission bp = mSettings.mPermissions.get(permName); 20855 if (bp != null) { 20856 if (isGranted) { 20857 perms.grantRuntimePermission(bp, userId); 20858 } 20859 if (newFlagSet != 0) { 20860 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 20861 } 20862 } 20863 } else { 20864 // Need to wait for post-restore install to apply the grant 20865 if (DEBUG_BACKUP) { 20866 Slog.v(TAG, " - not yet installed; saving for later"); 20867 } 20868 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 20869 isGranted, newFlagSet, userId); 20870 } 20871 } else { 20872 PackageManagerService.reportSettingsProblem(Log.WARN, 20873 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 20874 XmlUtils.skipCurrentTag(parser); 20875 } 20876 } 20877 20878 scheduleWriteSettingsLocked(); 20879 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 20880 } 20881 20882 @Override 20883 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 20884 int sourceUserId, int targetUserId, int flags) { 20885 mContext.enforceCallingOrSelfPermission( 20886 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 20887 int callingUid = Binder.getCallingUid(); 20888 enforceOwnerRights(ownerPackage, callingUid); 20889 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 20890 if (intentFilter.countActions() == 0) { 20891 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 20892 return; 20893 } 20894 synchronized (mPackages) { 20895 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 20896 ownerPackage, targetUserId, flags); 20897 CrossProfileIntentResolver resolver = 20898 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 20899 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 20900 // We have all those whose filter is equal. Now checking if the rest is equal as well. 20901 if (existing != null) { 20902 int size = existing.size(); 20903 for (int i = 0; i < size; i++) { 20904 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 20905 return; 20906 } 20907 } 20908 } 20909 resolver.addFilter(newFilter); 20910 scheduleWritePackageRestrictionsLocked(sourceUserId); 20911 } 20912 } 20913 20914 @Override 20915 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 20916 mContext.enforceCallingOrSelfPermission( 20917 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 20918 final int callingUid = Binder.getCallingUid(); 20919 enforceOwnerRights(ownerPackage, callingUid); 20920 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 20921 synchronized (mPackages) { 20922 CrossProfileIntentResolver resolver = 20923 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 20924 ArraySet<CrossProfileIntentFilter> set = 20925 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 20926 for (CrossProfileIntentFilter filter : set) { 20927 if (filter.getOwnerPackage().equals(ownerPackage)) { 20928 resolver.removeFilter(filter); 20929 } 20930 } 20931 scheduleWritePackageRestrictionsLocked(sourceUserId); 20932 } 20933 } 20934 20935 // Enforcing that callingUid is owning pkg on userId 20936 private void enforceOwnerRights(String pkg, int callingUid) { 20937 // The system owns everything. 20938 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 20939 return; 20940 } 20941 final int callingUserId = UserHandle.getUserId(callingUid); 20942 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 20943 if (pi == null) { 20944 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 20945 + callingUserId); 20946 } 20947 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 20948 throw new SecurityException("Calling uid " + callingUid 20949 + " does not own package " + pkg); 20950 } 20951 } 20952 20953 @Override 20954 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 20955 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 20956 return null; 20957 } 20958 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 20959 } 20960 20961 public void sendSessionCommitBroadcast(PackageInstaller.SessionInfo sessionInfo, int userId) { 20962 UserManagerService ums = UserManagerService.getInstance(); 20963 if (ums != null) { 20964 final UserInfo parent = ums.getProfileParent(userId); 20965 final int launcherUid = (parent != null) ? parent.id : userId; 20966 final ComponentName launcherComponent = getDefaultHomeActivity(launcherUid); 20967 if (launcherComponent != null) { 20968 Intent launcherIntent = new Intent(PackageInstaller.ACTION_SESSION_COMMITTED) 20969 .putExtra(PackageInstaller.EXTRA_SESSION, sessionInfo) 20970 .putExtra(Intent.EXTRA_USER, UserHandle.of(userId)) 20971 .setPackage(launcherComponent.getPackageName()); 20972 mContext.sendBroadcastAsUser(launcherIntent, UserHandle.of(launcherUid)); 20973 } 20974 } 20975 } 20976 20977 /** 20978 * Report the 'Home' activity which is currently set as "always use this one". If non is set 20979 * then reports the most likely home activity or null if there are more than one. 20980 */ 20981 private ComponentName getDefaultHomeActivity(int userId) { 20982 List<ResolveInfo> allHomeCandidates = new ArrayList<>(); 20983 ComponentName cn = getHomeActivitiesAsUser(allHomeCandidates, userId); 20984 if (cn != null) { 20985 return cn; 20986 } 20987 20988 // Find the launcher with the highest priority and return that component if there are no 20989 // other home activity with the same priority. 20990 int lastPriority = Integer.MIN_VALUE; 20991 ComponentName lastComponent = null; 20992 final int size = allHomeCandidates.size(); 20993 for (int i = 0; i < size; i++) { 20994 final ResolveInfo ri = allHomeCandidates.get(i); 20995 if (ri.priority > lastPriority) { 20996 lastComponent = ri.activityInfo.getComponentName(); 20997 lastPriority = ri.priority; 20998 } else if (ri.priority == lastPriority) { 20999 // Two components found with same priority. 21000 lastComponent = null; 21001 } 21002 } 21003 return lastComponent; 21004 } 21005 21006 private Intent getHomeIntent() { 21007 Intent intent = new Intent(Intent.ACTION_MAIN); 21008 intent.addCategory(Intent.CATEGORY_HOME); 21009 intent.addCategory(Intent.CATEGORY_DEFAULT); 21010 return intent; 21011 } 21012 21013 private IntentFilter getHomeFilter() { 21014 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 21015 filter.addCategory(Intent.CATEGORY_HOME); 21016 filter.addCategory(Intent.CATEGORY_DEFAULT); 21017 return filter; 21018 } 21019 21020 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 21021 int userId) { 21022 Intent intent = getHomeIntent(); 21023 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 21024 PackageManager.GET_META_DATA, userId); 21025 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 21026 true, false, false, userId); 21027 21028 allHomeCandidates.clear(); 21029 if (list != null) { 21030 for (ResolveInfo ri : list) { 21031 allHomeCandidates.add(ri); 21032 } 21033 } 21034 return (preferred == null || preferred.activityInfo == null) 21035 ? null 21036 : new ComponentName(preferred.activityInfo.packageName, 21037 preferred.activityInfo.name); 21038 } 21039 21040 @Override 21041 public void setHomeActivity(ComponentName comp, int userId) { 21042 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 21043 return; 21044 } 21045 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 21046 getHomeActivitiesAsUser(homeActivities, userId); 21047 21048 boolean found = false; 21049 21050 final int size = homeActivities.size(); 21051 final ComponentName[] set = new ComponentName[size]; 21052 for (int i = 0; i < size; i++) { 21053 final ResolveInfo candidate = homeActivities.get(i); 21054 final ActivityInfo info = candidate.activityInfo; 21055 final ComponentName activityName = new ComponentName(info.packageName, info.name); 21056 set[i] = activityName; 21057 if (!found && activityName.equals(comp)) { 21058 found = true; 21059 } 21060 } 21061 if (!found) { 21062 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 21063 + userId); 21064 } 21065 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 21066 set, comp, userId); 21067 } 21068 21069 private @Nullable String getSetupWizardPackageName() { 21070 final Intent intent = new Intent(Intent.ACTION_MAIN); 21071 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 21072 21073 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 21074 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 21075 | MATCH_DISABLED_COMPONENTS, 21076 UserHandle.myUserId()); 21077 if (matches.size() == 1) { 21078 return matches.get(0).getComponentInfo().packageName; 21079 } else { 21080 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 21081 + ": matches=" + matches); 21082 return null; 21083 } 21084 } 21085 21086 private @Nullable String getStorageManagerPackageName() { 21087 final Intent intent = new Intent(StorageManager.ACTION_MANAGE_STORAGE); 21088 21089 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 21090 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 21091 | MATCH_DISABLED_COMPONENTS, 21092 UserHandle.myUserId()); 21093 if (matches.size() == 1) { 21094 return matches.get(0).getComponentInfo().packageName; 21095 } else { 21096 Slog.e(TAG, "There should probably be exactly one storage manager; found " 21097 + matches.size() + ": matches=" + matches); 21098 return null; 21099 } 21100 } 21101 21102 @Override 21103 public void setApplicationEnabledSetting(String appPackageName, 21104 int newState, int flags, int userId, String callingPackage) { 21105 if (!sUserManager.exists(userId)) return; 21106 if (callingPackage == null) { 21107 callingPackage = Integer.toString(Binder.getCallingUid()); 21108 } 21109 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 21110 } 21111 21112 @Override 21113 public void setUpdateAvailable(String packageName, boolean updateAvailable) { 21114 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 21115 synchronized (mPackages) { 21116 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 21117 if (pkgSetting != null) { 21118 pkgSetting.setUpdateAvailable(updateAvailable); 21119 } 21120 } 21121 } 21122 21123 @Override 21124 public void setComponentEnabledSetting(ComponentName componentName, 21125 int newState, int flags, int userId) { 21126 if (!sUserManager.exists(userId)) return; 21127 setEnabledSetting(componentName.getPackageName(), 21128 componentName.getClassName(), newState, flags, userId, null); 21129 } 21130 21131 private void setEnabledSetting(final String packageName, String className, int newState, 21132 final int flags, int userId, String callingPackage) { 21133 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 21134 || newState == COMPONENT_ENABLED_STATE_ENABLED 21135 || newState == COMPONENT_ENABLED_STATE_DISABLED 21136 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 21137 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 21138 throw new IllegalArgumentException("Invalid new component state: " 21139 + newState); 21140 } 21141 PackageSetting pkgSetting; 21142 final int callingUid = Binder.getCallingUid(); 21143 final int permission; 21144 if (callingUid == Process.SYSTEM_UID) { 21145 permission = PackageManager.PERMISSION_GRANTED; 21146 } else { 21147 permission = mContext.checkCallingOrSelfPermission( 21148 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 21149 } 21150 enforceCrossUserPermission(callingUid, userId, 21151 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 21152 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 21153 boolean sendNow = false; 21154 boolean isApp = (className == null); 21155 final boolean isCallerInstantApp = (getInstantAppPackageName(callingUid) != null); 21156 String componentName = isApp ? packageName : className; 21157 int packageUid = -1; 21158 ArrayList<String> components; 21159 21160 // reader 21161 synchronized (mPackages) { 21162 pkgSetting = mSettings.mPackages.get(packageName); 21163 if (pkgSetting == null) { 21164 if (!isCallerInstantApp) { 21165 if (className == null) { 21166 throw new IllegalArgumentException("Unknown package: " + packageName); 21167 } 21168 throw new IllegalArgumentException( 21169 "Unknown component: " + packageName + "/" + className); 21170 } else { 21171 // throw SecurityException to prevent leaking package information 21172 throw new SecurityException( 21173 "Attempt to change component state; " 21174 + "pid=" + Binder.getCallingPid() 21175 + ", uid=" + callingUid 21176 + (className == null 21177 ? ", package=" + packageName 21178 : ", component=" + packageName + "/" + className)); 21179 } 21180 } 21181 } 21182 21183 // Limit who can change which apps 21184 if (!UserHandle.isSameApp(callingUid, pkgSetting.appId)) { 21185 // Don't allow apps that don't have permission to modify other apps 21186 if (!allowedByPermission 21187 || filterAppAccessLPr(pkgSetting, callingUid, userId)) { 21188 throw new SecurityException( 21189 "Attempt to change component state; " 21190 + "pid=" + Binder.getCallingPid() 21191 + ", uid=" + callingUid 21192 + (className == null 21193 ? ", package=" + packageName 21194 : ", component=" + packageName + "/" + className)); 21195 } 21196 // Don't allow changing protected packages. 21197 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 21198 throw new SecurityException("Cannot disable a protected package: " + packageName); 21199 } 21200 } 21201 21202 synchronized (mPackages) { 21203 if (callingUid == Process.SHELL_UID 21204 && (pkgSetting.pkgFlags & ApplicationInfo.FLAG_TEST_ONLY) == 0) { 21205 // Shell can only change whole packages between ENABLED and DISABLED_USER states 21206 // unless it is a test package. 21207 int oldState = pkgSetting.getEnabled(userId); 21208 if (className == null 21209 && 21210 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 21211 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 21212 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 21213 && 21214 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 21215 || newState == COMPONENT_ENABLED_STATE_DEFAULT 21216 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 21217 // ok 21218 } else { 21219 throw new SecurityException( 21220 "Shell cannot change component state for " + packageName + "/" 21221 + className + " to " + newState); 21222 } 21223 } 21224 if (className == null) { 21225 // We're dealing with an application/package level state change 21226 if (pkgSetting.getEnabled(userId) == newState) { 21227 // Nothing to do 21228 return; 21229 } 21230 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 21231 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 21232 // Don't care about who enables an app. 21233 callingPackage = null; 21234 } 21235 pkgSetting.setEnabled(newState, userId, callingPackage); 21236 // pkgSetting.pkg.mSetEnabled = newState; 21237 } else { 21238 // We're dealing with a component level state change 21239 // First, verify that this is a valid class name. 21240 PackageParser.Package pkg = pkgSetting.pkg; 21241 if (pkg == null || !pkg.hasComponentClassName(className)) { 21242 if (pkg != null && 21243 pkg.applicationInfo.targetSdkVersion >= 21244 Build.VERSION_CODES.JELLY_BEAN) { 21245 throw new IllegalArgumentException("Component class " + className 21246 + " does not exist in " + packageName); 21247 } else { 21248 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 21249 + className + " does not exist in " + packageName); 21250 } 21251 } 21252 switch (newState) { 21253 case COMPONENT_ENABLED_STATE_ENABLED: 21254 if (!pkgSetting.enableComponentLPw(className, userId)) { 21255 return; 21256 } 21257 break; 21258 case COMPONENT_ENABLED_STATE_DISABLED: 21259 if (!pkgSetting.disableComponentLPw(className, userId)) { 21260 return; 21261 } 21262 break; 21263 case COMPONENT_ENABLED_STATE_DEFAULT: 21264 if (!pkgSetting.restoreComponentLPw(className, userId)) { 21265 return; 21266 } 21267 break; 21268 default: 21269 Slog.e(TAG, "Invalid new component state: " + newState); 21270 return; 21271 } 21272 } 21273 scheduleWritePackageRestrictionsLocked(userId); 21274 updateSequenceNumberLP(pkgSetting, new int[] { userId }); 21275 final long callingId = Binder.clearCallingIdentity(); 21276 try { 21277 updateInstantAppInstallerLocked(packageName); 21278 } finally { 21279 Binder.restoreCallingIdentity(callingId); 21280 } 21281 components = mPendingBroadcasts.get(userId, packageName); 21282 final boolean newPackage = components == null; 21283 if (newPackage) { 21284 components = new ArrayList<String>(); 21285 } 21286 if (!components.contains(componentName)) { 21287 components.add(componentName); 21288 } 21289 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 21290 sendNow = true; 21291 // Purge entry from pending broadcast list if another one exists already 21292 // since we are sending one right away. 21293 mPendingBroadcasts.remove(userId, packageName); 21294 } else { 21295 if (newPackage) { 21296 mPendingBroadcasts.put(userId, packageName, components); 21297 } 21298 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 21299 // Schedule a message 21300 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 21301 } 21302 } 21303 } 21304 21305 long callingId = Binder.clearCallingIdentity(); 21306 try { 21307 if (sendNow) { 21308 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 21309 sendPackageChangedBroadcast(packageName, 21310 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 21311 } 21312 } finally { 21313 Binder.restoreCallingIdentity(callingId); 21314 } 21315 } 21316 21317 @Override 21318 public void flushPackageRestrictionsAsUser(int userId) { 21319 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 21320 return; 21321 } 21322 if (!sUserManager.exists(userId)) { 21323 return; 21324 } 21325 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 21326 false /* checkShell */, "flushPackageRestrictions"); 21327 synchronized (mPackages) { 21328 mSettings.writePackageRestrictionsLPr(userId); 21329 mDirtyUsers.remove(userId); 21330 if (mDirtyUsers.isEmpty()) { 21331 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 21332 } 21333 } 21334 } 21335 21336 private void sendPackageChangedBroadcast(String packageName, 21337 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 21338 if (DEBUG_INSTALL) 21339 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 21340 + componentNames); 21341 Bundle extras = new Bundle(4); 21342 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 21343 String nameList[] = new String[componentNames.size()]; 21344 componentNames.toArray(nameList); 21345 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 21346 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 21347 extras.putInt(Intent.EXTRA_UID, packageUid); 21348 // If this is not reporting a change of the overall package, then only send it 21349 // to registered receivers. We don't want to launch a swath of apps for every 21350 // little component state change. 21351 final int flags = !componentNames.contains(packageName) 21352 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 21353 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 21354 new int[] {UserHandle.getUserId(packageUid)}); 21355 } 21356 21357 @Override 21358 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 21359 if (!sUserManager.exists(userId)) return; 21360 final int callingUid = Binder.getCallingUid(); 21361 if (getInstantAppPackageName(callingUid) != null) { 21362 return; 21363 } 21364 final int permission = mContext.checkCallingOrSelfPermission( 21365 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 21366 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 21367 enforceCrossUserPermission(callingUid, userId, 21368 true /* requireFullPermission */, true /* checkShell */, "stop package"); 21369 // writer 21370 synchronized (mPackages) { 21371 final PackageSetting ps = mSettings.mPackages.get(packageName); 21372 if (!filterAppAccessLPr(ps, callingUid, userId) 21373 && mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 21374 allowedByPermission, callingUid, userId)) { 21375 scheduleWritePackageRestrictionsLocked(userId); 21376 } 21377 } 21378 } 21379 21380 @Override 21381 public String getInstallerPackageName(String packageName) { 21382 final int callingUid = Binder.getCallingUid(); 21383 if (getInstantAppPackageName(callingUid) != null) { 21384 return null; 21385 } 21386 // reader 21387 synchronized (mPackages) { 21388 final PackageSetting ps = mSettings.mPackages.get(packageName); 21389 if (filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 21390 return null; 21391 } 21392 return mSettings.getInstallerPackageNameLPr(packageName); 21393 } 21394 } 21395 21396 public boolean isOrphaned(String packageName) { 21397 // reader 21398 synchronized (mPackages) { 21399 return mSettings.isOrphaned(packageName); 21400 } 21401 } 21402 21403 @Override 21404 public int getApplicationEnabledSetting(String packageName, int userId) { 21405 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 21406 int callingUid = Binder.getCallingUid(); 21407 enforceCrossUserPermission(callingUid, userId, 21408 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 21409 // reader 21410 synchronized (mPackages) { 21411 if (filterAppAccessLPr(mSettings.getPackageLPr(packageName), callingUid, userId)) { 21412 return COMPONENT_ENABLED_STATE_DISABLED; 21413 } 21414 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 21415 } 21416 } 21417 21418 @Override 21419 public int getComponentEnabledSetting(ComponentName component, int userId) { 21420 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 21421 int callingUid = Binder.getCallingUid(); 21422 enforceCrossUserPermission(callingUid, userId, 21423 false /*requireFullPermission*/, false /*checkShell*/, "getComponentEnabled"); 21424 synchronized (mPackages) { 21425 if (filterAppAccessLPr(mSettings.getPackageLPr(component.getPackageName()), callingUid, 21426 component, TYPE_UNKNOWN, userId)) { 21427 return COMPONENT_ENABLED_STATE_DISABLED; 21428 } 21429 return mSettings.getComponentEnabledSettingLPr(component, userId); 21430 } 21431 } 21432 21433 @Override 21434 public void enterSafeMode() { 21435 enforceSystemOrRoot("Only the system can request entering safe mode"); 21436 21437 if (!mSystemReady) { 21438 mSafeMode = true; 21439 } 21440 } 21441 21442 @Override 21443 public void systemReady() { 21444 enforceSystemOrRoot("Only the system can claim the system is ready"); 21445 21446 mSystemReady = true; 21447 final ContentResolver resolver = mContext.getContentResolver(); 21448 ContentObserver co = new ContentObserver(mHandler) { 21449 @Override 21450 public void onChange(boolean selfChange) { 21451 mEphemeralAppsDisabled = 21452 (Global.getInt(resolver, Global.ENABLE_EPHEMERAL_FEATURE, 1) == 0) || 21453 (Secure.getInt(resolver, Secure.INSTANT_APPS_ENABLED, 1) == 0); 21454 } 21455 }; 21456 mContext.getContentResolver().registerContentObserver(android.provider.Settings.Global 21457 .getUriFor(Global.ENABLE_EPHEMERAL_FEATURE), 21458 false, co, UserHandle.USER_SYSTEM); 21459 mContext.getContentResolver().registerContentObserver(android.provider.Settings.Global 21460 .getUriFor(Secure.INSTANT_APPS_ENABLED), false, co, UserHandle.USER_SYSTEM); 21461 co.onChange(true); 21462 21463 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 21464 // disabled after already being started. 21465 CarrierAppUtils.disableCarrierAppsUntilPrivileged(mContext.getOpPackageName(), this, 21466 mContext.getContentResolver(), UserHandle.USER_SYSTEM); 21467 21468 // Read the compatibilty setting when the system is ready. 21469 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 21470 mContext.getContentResolver(), 21471 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 21472 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 21473 if (DEBUG_SETTINGS) { 21474 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 21475 } 21476 21477 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 21478 21479 synchronized (mPackages) { 21480 // Verify that all of the preferred activity components actually 21481 // exist. It is possible for applications to be updated and at 21482 // that point remove a previously declared activity component that 21483 // had been set as a preferred activity. We try to clean this up 21484 // the next time we encounter that preferred activity, but it is 21485 // possible for the user flow to never be able to return to that 21486 // situation so here we do a sanity check to make sure we haven't 21487 // left any junk around. 21488 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 21489 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 21490 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 21491 removed.clear(); 21492 for (PreferredActivity pa : pir.filterSet()) { 21493 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 21494 removed.add(pa); 21495 } 21496 } 21497 if (removed.size() > 0) { 21498 for (int r=0; r<removed.size(); r++) { 21499 PreferredActivity pa = removed.get(r); 21500 Slog.w(TAG, "Removing dangling preferred activity: " 21501 + pa.mPref.mComponent); 21502 pir.removeFilter(pa); 21503 } 21504 mSettings.writePackageRestrictionsLPr( 21505 mSettings.mPreferredActivities.keyAt(i)); 21506 } 21507 } 21508 21509 for (int userId : UserManagerService.getInstance().getUserIds()) { 21510 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 21511 grantPermissionsUserIds = ArrayUtils.appendInt( 21512 grantPermissionsUserIds, userId); 21513 } 21514 } 21515 } 21516 sUserManager.systemReady(); 21517 21518 // If we upgraded grant all default permissions before kicking off. 21519 for (int userId : grantPermissionsUserIds) { 21520 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 21521 } 21522 21523 // If we did not grant default permissions, we preload from this the 21524 // default permission exceptions lazily to ensure we don't hit the 21525 // disk on a new user creation. 21526 if (grantPermissionsUserIds == EMPTY_INT_ARRAY) { 21527 mDefaultPermissionPolicy.scheduleReadDefaultPermissionExceptions(); 21528 } 21529 21530 // Kick off any messages waiting for system ready 21531 if (mPostSystemReadyMessages != null) { 21532 for (Message msg : mPostSystemReadyMessages) { 21533 msg.sendToTarget(); 21534 } 21535 mPostSystemReadyMessages = null; 21536 } 21537 21538 // Watch for external volumes that come and go over time 21539 final StorageManager storage = mContext.getSystemService(StorageManager.class); 21540 storage.registerListener(mStorageListener); 21541 21542 mInstallerService.systemReady(); 21543 mPackageDexOptimizer.systemReady(); 21544 21545 StorageManagerInternal StorageManagerInternal = LocalServices.getService( 21546 StorageManagerInternal.class); 21547 StorageManagerInternal.addExternalStoragePolicy( 21548 new StorageManagerInternal.ExternalStorageMountPolicy() { 21549 @Override 21550 public int getMountMode(int uid, String packageName) { 21551 if (Process.isIsolated(uid)) { 21552 return Zygote.MOUNT_EXTERNAL_NONE; 21553 } 21554 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 21555 return Zygote.MOUNT_EXTERNAL_DEFAULT; 21556 } 21557 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 21558 return Zygote.MOUNT_EXTERNAL_DEFAULT; 21559 } 21560 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 21561 return Zygote.MOUNT_EXTERNAL_READ; 21562 } 21563 return Zygote.MOUNT_EXTERNAL_WRITE; 21564 } 21565 21566 @Override 21567 public boolean hasExternalStorage(int uid, String packageName) { 21568 return true; 21569 } 21570 }); 21571 21572 // Now that we're mostly running, clean up stale users and apps 21573 sUserManager.reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 21574 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 21575 21576 if (mPrivappPermissionsViolations != null) { 21577 Slog.wtf(TAG,"Signature|privileged permissions not in " 21578 + "privapp-permissions whitelist: " + mPrivappPermissionsViolations); 21579 mPrivappPermissionsViolations = null; 21580 } 21581 } 21582 21583 public void waitForAppDataPrepared() { 21584 if (mPrepareAppDataFuture == null) { 21585 return; 21586 } 21587 ConcurrentUtils.waitForFutureNoInterrupt(mPrepareAppDataFuture, "wait for prepareAppData"); 21588 mPrepareAppDataFuture = null; 21589 } 21590 21591 @Override 21592 public boolean isSafeMode() { 21593 // allow instant applications 21594 return mSafeMode; 21595 } 21596 21597 @Override 21598 public boolean hasSystemUidErrors() { 21599 // allow instant applications 21600 return mHasSystemUidErrors; 21601 } 21602 21603 static String arrayToString(int[] array) { 21604 StringBuffer buf = new StringBuffer(128); 21605 buf.append('['); 21606 if (array != null) { 21607 for (int i=0; i<array.length; i++) { 21608 if (i > 0) buf.append(", "); 21609 buf.append(array[i]); 21610 } 21611 } 21612 buf.append(']'); 21613 return buf.toString(); 21614 } 21615 21616 static class DumpState { 21617 public static final int DUMP_LIBS = 1 << 0; 21618 public static final int DUMP_FEATURES = 1 << 1; 21619 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 21620 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 21621 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 21622 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 21623 public static final int DUMP_PERMISSIONS = 1 << 6; 21624 public static final int DUMP_PACKAGES = 1 << 7; 21625 public static final int DUMP_SHARED_USERS = 1 << 8; 21626 public static final int DUMP_MESSAGES = 1 << 9; 21627 public static final int DUMP_PROVIDERS = 1 << 10; 21628 public static final int DUMP_VERIFIERS = 1 << 11; 21629 public static final int DUMP_PREFERRED = 1 << 12; 21630 public static final int DUMP_PREFERRED_XML = 1 << 13; 21631 public static final int DUMP_KEYSETS = 1 << 14; 21632 public static final int DUMP_VERSION = 1 << 15; 21633 public static final int DUMP_INSTALLS = 1 << 16; 21634 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 21635 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 21636 public static final int DUMP_FROZEN = 1 << 19; 21637 public static final int DUMP_DEXOPT = 1 << 20; 21638 public static final int DUMP_COMPILER_STATS = 1 << 21; 21639 public static final int DUMP_CHANGES = 1 << 22; 21640 21641 public static final int OPTION_SHOW_FILTERS = 1 << 0; 21642 21643 private int mTypes; 21644 21645 private int mOptions; 21646 21647 private boolean mTitlePrinted; 21648 21649 private SharedUserSetting mSharedUser; 21650 21651 public boolean isDumping(int type) { 21652 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 21653 return true; 21654 } 21655 21656 return (mTypes & type) != 0; 21657 } 21658 21659 public void setDump(int type) { 21660 mTypes |= type; 21661 } 21662 21663 public boolean isOptionEnabled(int option) { 21664 return (mOptions & option) != 0; 21665 } 21666 21667 public void setOptionEnabled(int option) { 21668 mOptions |= option; 21669 } 21670 21671 public boolean onTitlePrinted() { 21672 final boolean printed = mTitlePrinted; 21673 mTitlePrinted = true; 21674 return printed; 21675 } 21676 21677 public boolean getTitlePrinted() { 21678 return mTitlePrinted; 21679 } 21680 21681 public void setTitlePrinted(boolean enabled) { 21682 mTitlePrinted = enabled; 21683 } 21684 21685 public SharedUserSetting getSharedUser() { 21686 return mSharedUser; 21687 } 21688 21689 public void setSharedUser(SharedUserSetting user) { 21690 mSharedUser = user; 21691 } 21692 } 21693 21694 @Override 21695 public void onShellCommand(FileDescriptor in, FileDescriptor out, 21696 FileDescriptor err, String[] args, ShellCallback callback, 21697 ResultReceiver resultReceiver) { 21698 (new PackageManagerShellCommand(this)).exec( 21699 this, in, out, err, args, callback, resultReceiver); 21700 } 21701 21702 @Override 21703 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 21704 if (!DumpUtils.checkDumpAndUsageStatsPermission(mContext, TAG, pw)) return; 21705 21706 DumpState dumpState = new DumpState(); 21707 boolean fullPreferred = false; 21708 boolean checkin = false; 21709 21710 String packageName = null; 21711 ArraySet<String> permissionNames = null; 21712 21713 int opti = 0; 21714 while (opti < args.length) { 21715 String opt = args[opti]; 21716 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 21717 break; 21718 } 21719 opti++; 21720 21721 if ("-a".equals(opt)) { 21722 // Right now we only know how to print all. 21723 } else if ("-h".equals(opt)) { 21724 pw.println("Package manager dump options:"); 21725 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 21726 pw.println(" --checkin: dump for a checkin"); 21727 pw.println(" -f: print details of intent filters"); 21728 pw.println(" -h: print this help"); 21729 pw.println(" cmd may be one of:"); 21730 pw.println(" l[ibraries]: list known shared libraries"); 21731 pw.println(" f[eatures]: list device features"); 21732 pw.println(" k[eysets]: print known keysets"); 21733 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 21734 pw.println(" perm[issions]: dump permissions"); 21735 pw.println(" permission [name ...]: dump declaration and use of given permission"); 21736 pw.println(" pref[erred]: print preferred package settings"); 21737 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 21738 pw.println(" prov[iders]: dump content providers"); 21739 pw.println(" p[ackages]: dump installed packages"); 21740 pw.println(" s[hared-users]: dump shared user IDs"); 21741 pw.println(" m[essages]: print collected runtime messages"); 21742 pw.println(" v[erifiers]: print package verifier info"); 21743 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 21744 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 21745 pw.println(" version: print database version info"); 21746 pw.println(" write: write current settings now"); 21747 pw.println(" installs: details about install sessions"); 21748 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 21749 pw.println(" dexopt: dump dexopt state"); 21750 pw.println(" compiler-stats: dump compiler statistics"); 21751 pw.println(" enabled-overlays: dump list of enabled overlay packages"); 21752 pw.println(" <package.name>: info about given package"); 21753 return; 21754 } else if ("--checkin".equals(opt)) { 21755 checkin = true; 21756 } else if ("-f".equals(opt)) { 21757 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 21758 } else if ("--proto".equals(opt)) { 21759 dumpProto(fd); 21760 return; 21761 } else { 21762 pw.println("Unknown argument: " + opt + "; use -h for help"); 21763 } 21764 } 21765 21766 // Is the caller requesting to dump a particular piece of data? 21767 if (opti < args.length) { 21768 String cmd = args[opti]; 21769 opti++; 21770 // Is this a package name? 21771 if ("android".equals(cmd) || cmd.contains(".")) { 21772 packageName = cmd; 21773 // When dumping a single package, we always dump all of its 21774 // filter information since the amount of data will be reasonable. 21775 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 21776 } else if ("check-permission".equals(cmd)) { 21777 if (opti >= args.length) { 21778 pw.println("Error: check-permission missing permission argument"); 21779 return; 21780 } 21781 String perm = args[opti]; 21782 opti++; 21783 if (opti >= args.length) { 21784 pw.println("Error: check-permission missing package argument"); 21785 return; 21786 } 21787 21788 String pkg = args[opti]; 21789 opti++; 21790 int user = UserHandle.getUserId(Binder.getCallingUid()); 21791 if (opti < args.length) { 21792 try { 21793 user = Integer.parseInt(args[opti]); 21794 } catch (NumberFormatException e) { 21795 pw.println("Error: check-permission user argument is not a number: " 21796 + args[opti]); 21797 return; 21798 } 21799 } 21800 21801 // Normalize package name to handle renamed packages and static libs 21802 pkg = resolveInternalPackageNameLPr(pkg, PackageManager.VERSION_CODE_HIGHEST); 21803 21804 pw.println(checkPermission(perm, pkg, user)); 21805 return; 21806 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 21807 dumpState.setDump(DumpState.DUMP_LIBS); 21808 } else if ("f".equals(cmd) || "features".equals(cmd)) { 21809 dumpState.setDump(DumpState.DUMP_FEATURES); 21810 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 21811 if (opti >= args.length) { 21812 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 21813 | DumpState.DUMP_SERVICE_RESOLVERS 21814 | DumpState.DUMP_RECEIVER_RESOLVERS 21815 | DumpState.DUMP_CONTENT_RESOLVERS); 21816 } else { 21817 while (opti < args.length) { 21818 String name = args[opti]; 21819 if ("a".equals(name) || "activity".equals(name)) { 21820 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 21821 } else if ("s".equals(name) || "service".equals(name)) { 21822 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 21823 } else if ("r".equals(name) || "receiver".equals(name)) { 21824 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 21825 } else if ("c".equals(name) || "content".equals(name)) { 21826 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 21827 } else { 21828 pw.println("Error: unknown resolver table type: " + name); 21829 return; 21830 } 21831 opti++; 21832 } 21833 } 21834 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 21835 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 21836 } else if ("permission".equals(cmd)) { 21837 if (opti >= args.length) { 21838 pw.println("Error: permission requires permission name"); 21839 return; 21840 } 21841 permissionNames = new ArraySet<>(); 21842 while (opti < args.length) { 21843 permissionNames.add(args[opti]); 21844 opti++; 21845 } 21846 dumpState.setDump(DumpState.DUMP_PERMISSIONS 21847 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 21848 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 21849 dumpState.setDump(DumpState.DUMP_PREFERRED); 21850 } else if ("preferred-xml".equals(cmd)) { 21851 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 21852 if (opti < args.length && "--full".equals(args[opti])) { 21853 fullPreferred = true; 21854 opti++; 21855 } 21856 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 21857 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 21858 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 21859 dumpState.setDump(DumpState.DUMP_PACKAGES); 21860 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 21861 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 21862 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 21863 dumpState.setDump(DumpState.DUMP_PROVIDERS); 21864 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 21865 dumpState.setDump(DumpState.DUMP_MESSAGES); 21866 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 21867 dumpState.setDump(DumpState.DUMP_VERIFIERS); 21868 } else if ("i".equals(cmd) || "ifv".equals(cmd) 21869 || "intent-filter-verifiers".equals(cmd)) { 21870 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 21871 } else if ("version".equals(cmd)) { 21872 dumpState.setDump(DumpState.DUMP_VERSION); 21873 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 21874 dumpState.setDump(DumpState.DUMP_KEYSETS); 21875 } else if ("installs".equals(cmd)) { 21876 dumpState.setDump(DumpState.DUMP_INSTALLS); 21877 } else if ("frozen".equals(cmd)) { 21878 dumpState.setDump(DumpState.DUMP_FROZEN); 21879 } else if ("dexopt".equals(cmd)) { 21880 dumpState.setDump(DumpState.DUMP_DEXOPT); 21881 } else if ("compiler-stats".equals(cmd)) { 21882 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 21883 } else if ("changes".equals(cmd)) { 21884 dumpState.setDump(DumpState.DUMP_CHANGES); 21885 } else if ("write".equals(cmd)) { 21886 synchronized (mPackages) { 21887 mSettings.writeLPr(); 21888 pw.println("Settings written."); 21889 return; 21890 } 21891 } 21892 } 21893 21894 if (checkin) { 21895 pw.println("vers,1"); 21896 } 21897 21898 // reader 21899 synchronized (mPackages) { 21900 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 21901 if (!checkin) { 21902 if (dumpState.onTitlePrinted()) 21903 pw.println(); 21904 pw.println("Database versions:"); 21905 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 21906 } 21907 } 21908 21909 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 21910 if (!checkin) { 21911 if (dumpState.onTitlePrinted()) 21912 pw.println(); 21913 pw.println("Verifiers:"); 21914 pw.print(" Required: "); 21915 pw.print(mRequiredVerifierPackage); 21916 pw.print(" (uid="); 21917 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 21918 UserHandle.USER_SYSTEM)); 21919 pw.println(")"); 21920 } else if (mRequiredVerifierPackage != null) { 21921 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 21922 pw.print(","); 21923 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 21924 UserHandle.USER_SYSTEM)); 21925 } 21926 } 21927 21928 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 21929 packageName == null) { 21930 if (mIntentFilterVerifierComponent != null) { 21931 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 21932 if (!checkin) { 21933 if (dumpState.onTitlePrinted()) 21934 pw.println(); 21935 pw.println("Intent Filter Verifier:"); 21936 pw.print(" Using: "); 21937 pw.print(verifierPackageName); 21938 pw.print(" (uid="); 21939 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 21940 UserHandle.USER_SYSTEM)); 21941 pw.println(")"); 21942 } else if (verifierPackageName != null) { 21943 pw.print("ifv,"); pw.print(verifierPackageName); 21944 pw.print(","); 21945 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 21946 UserHandle.USER_SYSTEM)); 21947 } 21948 } else { 21949 pw.println(); 21950 pw.println("No Intent Filter Verifier available!"); 21951 } 21952 } 21953 21954 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 21955 boolean printedHeader = false; 21956 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 21957 while (it.hasNext()) { 21958 String libName = it.next(); 21959 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(libName); 21960 if (versionedLib == null) { 21961 continue; 21962 } 21963 final int versionCount = versionedLib.size(); 21964 for (int i = 0; i < versionCount; i++) { 21965 SharedLibraryEntry libEntry = versionedLib.valueAt(i); 21966 if (!checkin) { 21967 if (!printedHeader) { 21968 if (dumpState.onTitlePrinted()) 21969 pw.println(); 21970 pw.println("Libraries:"); 21971 printedHeader = true; 21972 } 21973 pw.print(" "); 21974 } else { 21975 pw.print("lib,"); 21976 } 21977 pw.print(libEntry.info.getName()); 21978 if (libEntry.info.isStatic()) { 21979 pw.print(" version=" + libEntry.info.getVersion()); 21980 } 21981 if (!checkin) { 21982 pw.print(" -> "); 21983 } 21984 if (libEntry.path != null) { 21985 pw.print(" (jar) "); 21986 pw.print(libEntry.path); 21987 } else { 21988 pw.print(" (apk) "); 21989 pw.print(libEntry.apk); 21990 } 21991 pw.println(); 21992 } 21993 } 21994 } 21995 21996 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 21997 if (dumpState.onTitlePrinted()) 21998 pw.println(); 21999 if (!checkin) { 22000 pw.println("Features:"); 22001 } 22002 22003 synchronized (mAvailableFeatures) { 22004 for (FeatureInfo feat : mAvailableFeatures.values()) { 22005 if (checkin) { 22006 pw.print("feat,"); 22007 pw.print(feat.name); 22008 pw.print(","); 22009 pw.println(feat.version); 22010 } else { 22011 pw.print(" "); 22012 pw.print(feat.name); 22013 if (feat.version > 0) { 22014 pw.print(" version="); 22015 pw.print(feat.version); 22016 } 22017 pw.println(); 22018 } 22019 } 22020 } 22021 } 22022 22023 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 22024 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 22025 : "Activity Resolver Table:", " ", packageName, 22026 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 22027 dumpState.setTitlePrinted(true); 22028 } 22029 } 22030 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 22031 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 22032 : "Receiver Resolver Table:", " ", packageName, 22033 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 22034 dumpState.setTitlePrinted(true); 22035 } 22036 } 22037 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 22038 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 22039 : "Service Resolver Table:", " ", packageName, 22040 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 22041 dumpState.setTitlePrinted(true); 22042 } 22043 } 22044 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 22045 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 22046 : "Provider Resolver Table:", " ", packageName, 22047 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 22048 dumpState.setTitlePrinted(true); 22049 } 22050 } 22051 22052 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 22053 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 22054 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 22055 int user = mSettings.mPreferredActivities.keyAt(i); 22056 if (pir.dump(pw, 22057 dumpState.getTitlePrinted() 22058 ? "\nPreferred Activities User " + user + ":" 22059 : "Preferred Activities User " + user + ":", " ", 22060 packageName, true, false)) { 22061 dumpState.setTitlePrinted(true); 22062 } 22063 } 22064 } 22065 22066 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 22067 pw.flush(); 22068 FileOutputStream fout = new FileOutputStream(fd); 22069 BufferedOutputStream str = new BufferedOutputStream(fout); 22070 XmlSerializer serializer = new FastXmlSerializer(); 22071 try { 22072 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 22073 serializer.startDocument(null, true); 22074 serializer.setFeature( 22075 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 22076 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 22077 serializer.endDocument(); 22078 serializer.flush(); 22079 } catch (IllegalArgumentException e) { 22080 pw.println("Failed writing: " + e); 22081 } catch (IllegalStateException e) { 22082 pw.println("Failed writing: " + e); 22083 } catch (IOException e) { 22084 pw.println("Failed writing: " + e); 22085 } 22086 } 22087 22088 if (!checkin 22089 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 22090 && packageName == null) { 22091 pw.println(); 22092 int count = mSettings.mPackages.size(); 22093 if (count == 0) { 22094 pw.println("No applications!"); 22095 pw.println(); 22096 } else { 22097 final String prefix = " "; 22098 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 22099 if (allPackageSettings.size() == 0) { 22100 pw.println("No domain preferred apps!"); 22101 pw.println(); 22102 } else { 22103 pw.println("App verification status:"); 22104 pw.println(); 22105 count = 0; 22106 for (PackageSetting ps : allPackageSettings) { 22107 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 22108 if (ivi == null || ivi.getPackageName() == null) continue; 22109 pw.println(prefix + "Package: " + ivi.getPackageName()); 22110 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 22111 pw.println(prefix + "Status: " + ivi.getStatusString()); 22112 pw.println(); 22113 count++; 22114 } 22115 if (count == 0) { 22116 pw.println(prefix + "No app verification established."); 22117 pw.println(); 22118 } 22119 for (int userId : sUserManager.getUserIds()) { 22120 pw.println("App linkages for user " + userId + ":"); 22121 pw.println(); 22122 count = 0; 22123 for (PackageSetting ps : allPackageSettings) { 22124 final long status = ps.getDomainVerificationStatusForUser(userId); 22125 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED 22126 && !DEBUG_DOMAIN_VERIFICATION) { 22127 continue; 22128 } 22129 pw.println(prefix + "Package: " + ps.name); 22130 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 22131 String statusStr = IntentFilterVerificationInfo. 22132 getStatusStringFromValue(status); 22133 pw.println(prefix + "Status: " + statusStr); 22134 pw.println(); 22135 count++; 22136 } 22137 if (count == 0) { 22138 pw.println(prefix + "No configured app linkages."); 22139 pw.println(); 22140 } 22141 } 22142 } 22143 } 22144 } 22145 22146 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 22147 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 22148 if (packageName == null && permissionNames == null) { 22149 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 22150 if (iperm == 0) { 22151 if (dumpState.onTitlePrinted()) 22152 pw.println(); 22153 pw.println("AppOp Permissions:"); 22154 } 22155 pw.print(" AppOp Permission "); 22156 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 22157 pw.println(":"); 22158 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 22159 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 22160 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 22161 } 22162 } 22163 } 22164 } 22165 22166 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 22167 boolean printedSomething = false; 22168 for (PackageParser.Provider p : mProviders.mProviders.values()) { 22169 if (packageName != null && !packageName.equals(p.info.packageName)) { 22170 continue; 22171 } 22172 if (!printedSomething) { 22173 if (dumpState.onTitlePrinted()) 22174 pw.println(); 22175 pw.println("Registered ContentProviders:"); 22176 printedSomething = true; 22177 } 22178 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 22179 pw.print(" "); pw.println(p.toString()); 22180 } 22181 printedSomething = false; 22182 for (Map.Entry<String, PackageParser.Provider> entry : 22183 mProvidersByAuthority.entrySet()) { 22184 PackageParser.Provider p = entry.getValue(); 22185 if (packageName != null && !packageName.equals(p.info.packageName)) { 22186 continue; 22187 } 22188 if (!printedSomething) { 22189 if (dumpState.onTitlePrinted()) 22190 pw.println(); 22191 pw.println("ContentProvider Authorities:"); 22192 printedSomething = true; 22193 } 22194 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 22195 pw.print(" "); pw.println(p.toString()); 22196 if (p.info != null && p.info.applicationInfo != null) { 22197 final String appInfo = p.info.applicationInfo.toString(); 22198 pw.print(" applicationInfo="); pw.println(appInfo); 22199 } 22200 } 22201 } 22202 22203 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 22204 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 22205 } 22206 22207 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 22208 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 22209 } 22210 22211 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 22212 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 22213 } 22214 22215 if (dumpState.isDumping(DumpState.DUMP_CHANGES)) { 22216 if (dumpState.onTitlePrinted()) pw.println(); 22217 pw.println("Package Changes:"); 22218 pw.print(" Sequence number="); pw.println(mChangedPackagesSequenceNumber); 22219 final int K = mChangedPackages.size(); 22220 for (int i = 0; i < K; i++) { 22221 final SparseArray<String> changes = mChangedPackages.valueAt(i); 22222 pw.print(" User "); pw.print(mChangedPackages.keyAt(i)); pw.println(":"); 22223 final int N = changes.size(); 22224 if (N == 0) { 22225 pw.print(" "); pw.println("No packages changed"); 22226 } else { 22227 for (int j = 0; j < N; j++) { 22228 final String pkgName = changes.valueAt(j); 22229 final int sequenceNumber = changes.keyAt(j); 22230 pw.print(" "); 22231 pw.print("seq="); 22232 pw.print(sequenceNumber); 22233 pw.print(", package="); 22234 pw.println(pkgName); 22235 } 22236 } 22237 } 22238 } 22239 22240 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 22241 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 22242 } 22243 22244 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 22245 // XXX should handle packageName != null by dumping only install data that 22246 // the given package is involved with. 22247 if (dumpState.onTitlePrinted()) pw.println(); 22248 22249 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 22250 ipw.println(); 22251 ipw.println("Frozen packages:"); 22252 ipw.increaseIndent(); 22253 if (mFrozenPackages.size() == 0) { 22254 ipw.println("(none)"); 22255 } else { 22256 for (int i = 0; i < mFrozenPackages.size(); i++) { 22257 ipw.println(mFrozenPackages.valueAt(i)); 22258 } 22259 } 22260 ipw.decreaseIndent(); 22261 } 22262 22263 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 22264 if (dumpState.onTitlePrinted()) pw.println(); 22265 dumpDexoptStateLPr(pw, packageName); 22266 } 22267 22268 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 22269 if (dumpState.onTitlePrinted()) pw.println(); 22270 dumpCompilerStatsLPr(pw, packageName); 22271 } 22272 22273 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 22274 if (dumpState.onTitlePrinted()) pw.println(); 22275 mSettings.dumpReadMessagesLPr(pw, dumpState); 22276 22277 pw.println(); 22278 pw.println("Package warning messages:"); 22279 BufferedReader in = null; 22280 String line = null; 22281 try { 22282 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 22283 while ((line = in.readLine()) != null) { 22284 if (line.contains("ignored: updated version")) continue; 22285 pw.println(line); 22286 } 22287 } catch (IOException ignored) { 22288 } finally { 22289 IoUtils.closeQuietly(in); 22290 } 22291 } 22292 22293 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 22294 BufferedReader in = null; 22295 String line = null; 22296 try { 22297 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 22298 while ((line = in.readLine()) != null) { 22299 if (line.contains("ignored: updated version")) continue; 22300 pw.print("msg,"); 22301 pw.println(line); 22302 } 22303 } catch (IOException ignored) { 22304 } finally { 22305 IoUtils.closeQuietly(in); 22306 } 22307 } 22308 } 22309 22310 // PackageInstaller should be called outside of mPackages lock 22311 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 22312 // XXX should handle packageName != null by dumping only install data that 22313 // the given package is involved with. 22314 if (dumpState.onTitlePrinted()) pw.println(); 22315 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 22316 } 22317 } 22318 22319 private void dumpProto(FileDescriptor fd) { 22320 final ProtoOutputStream proto = new ProtoOutputStream(fd); 22321 22322 synchronized (mPackages) { 22323 final long requiredVerifierPackageToken = 22324 proto.start(PackageServiceDumpProto.REQUIRED_VERIFIER_PACKAGE); 22325 proto.write(PackageServiceDumpProto.PackageShortProto.NAME, mRequiredVerifierPackage); 22326 proto.write( 22327 PackageServiceDumpProto.PackageShortProto.UID, 22328 getPackageUid( 22329 mRequiredVerifierPackage, 22330 MATCH_DEBUG_TRIAGED_MISSING, 22331 UserHandle.USER_SYSTEM)); 22332 proto.end(requiredVerifierPackageToken); 22333 22334 if (mIntentFilterVerifierComponent != null) { 22335 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 22336 final long verifierPackageToken = 22337 proto.start(PackageServiceDumpProto.VERIFIER_PACKAGE); 22338 proto.write(PackageServiceDumpProto.PackageShortProto.NAME, verifierPackageName); 22339 proto.write( 22340 PackageServiceDumpProto.PackageShortProto.UID, 22341 getPackageUid( 22342 verifierPackageName, 22343 MATCH_DEBUG_TRIAGED_MISSING, 22344 UserHandle.USER_SYSTEM)); 22345 proto.end(verifierPackageToken); 22346 } 22347 22348 dumpSharedLibrariesProto(proto); 22349 dumpFeaturesProto(proto); 22350 mSettings.dumpPackagesProto(proto); 22351 mSettings.dumpSharedUsersProto(proto); 22352 dumpMessagesProto(proto); 22353 } 22354 proto.flush(); 22355 } 22356 22357 private void dumpMessagesProto(ProtoOutputStream proto) { 22358 BufferedReader in = null; 22359 String line = null; 22360 try { 22361 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 22362 while ((line = in.readLine()) != null) { 22363 if (line.contains("ignored: updated version")) continue; 22364 proto.write(PackageServiceDumpProto.MESSAGES, line); 22365 } 22366 } catch (IOException ignored) { 22367 } finally { 22368 IoUtils.closeQuietly(in); 22369 } 22370 } 22371 22372 private void dumpFeaturesProto(ProtoOutputStream proto) { 22373 synchronized (mAvailableFeatures) { 22374 final int count = mAvailableFeatures.size(); 22375 for (int i = 0; i < count; i++) { 22376 final FeatureInfo feat = mAvailableFeatures.valueAt(i); 22377 final long featureToken = proto.start(PackageServiceDumpProto.FEATURES); 22378 proto.write(PackageServiceDumpProto.FeatureProto.NAME, feat.name); 22379 proto.write(PackageServiceDumpProto.FeatureProto.VERSION, feat.version); 22380 proto.end(featureToken); 22381 } 22382 } 22383 } 22384 22385 private void dumpSharedLibrariesProto(ProtoOutputStream proto) { 22386 final int count = mSharedLibraries.size(); 22387 for (int i = 0; i < count; i++) { 22388 final String libName = mSharedLibraries.keyAt(i); 22389 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(libName); 22390 if (versionedLib == null) { 22391 continue; 22392 } 22393 final int versionCount = versionedLib.size(); 22394 for (int j = 0; j < versionCount; j++) { 22395 final SharedLibraryEntry libEntry = versionedLib.valueAt(j); 22396 final long sharedLibraryToken = 22397 proto.start(PackageServiceDumpProto.SHARED_LIBRARIES); 22398 proto.write(PackageServiceDumpProto.SharedLibraryProto.NAME, libEntry.info.getName()); 22399 final boolean isJar = (libEntry.path != null); 22400 proto.write(PackageServiceDumpProto.SharedLibraryProto.IS_JAR, isJar); 22401 if (isJar) { 22402 proto.write(PackageServiceDumpProto.SharedLibraryProto.PATH, libEntry.path); 22403 } else { 22404 proto.write(PackageServiceDumpProto.SharedLibraryProto.APK, libEntry.apk); 22405 } 22406 proto.end(sharedLibraryToken); 22407 } 22408 } 22409 } 22410 22411 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 22412 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 22413 ipw.println(); 22414 ipw.println("Dexopt state:"); 22415 ipw.increaseIndent(); 22416 Collection<PackageParser.Package> packages = null; 22417 if (packageName != null) { 22418 PackageParser.Package targetPackage = mPackages.get(packageName); 22419 if (targetPackage != null) { 22420 packages = Collections.singletonList(targetPackage); 22421 } else { 22422 ipw.println("Unable to find package: " + packageName); 22423 return; 22424 } 22425 } else { 22426 packages = mPackages.values(); 22427 } 22428 22429 for (PackageParser.Package pkg : packages) { 22430 ipw.println("[" + pkg.packageName + "]"); 22431 ipw.increaseIndent(); 22432 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 22433 ipw.decreaseIndent(); 22434 } 22435 } 22436 22437 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 22438 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 22439 ipw.println(); 22440 ipw.println("Compiler stats:"); 22441 ipw.increaseIndent(); 22442 Collection<PackageParser.Package> packages = null; 22443 if (packageName != null) { 22444 PackageParser.Package targetPackage = mPackages.get(packageName); 22445 if (targetPackage != null) { 22446 packages = Collections.singletonList(targetPackage); 22447 } else { 22448 ipw.println("Unable to find package: " + packageName); 22449 return; 22450 } 22451 } else { 22452 packages = mPackages.values(); 22453 } 22454 22455 for (PackageParser.Package pkg : packages) { 22456 ipw.println("[" + pkg.packageName + "]"); 22457 ipw.increaseIndent(); 22458 22459 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 22460 if (stats == null) { 22461 ipw.println("(No recorded stats)"); 22462 } else { 22463 stats.dump(ipw); 22464 } 22465 ipw.decreaseIndent(); 22466 } 22467 } 22468 22469 private String dumpDomainString(String packageName) { 22470 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 22471 .getList(); 22472 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 22473 22474 ArraySet<String> result = new ArraySet<>(); 22475 if (iviList.size() > 0) { 22476 for (IntentFilterVerificationInfo ivi : iviList) { 22477 for (String host : ivi.getDomains()) { 22478 result.add(host); 22479 } 22480 } 22481 } 22482 if (filters != null && filters.size() > 0) { 22483 for (IntentFilter filter : filters) { 22484 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 22485 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 22486 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 22487 result.addAll(filter.getHostsList()); 22488 } 22489 } 22490 } 22491 22492 StringBuilder sb = new StringBuilder(result.size() * 16); 22493 for (String domain : result) { 22494 if (sb.length() > 0) sb.append(" "); 22495 sb.append(domain); 22496 } 22497 return sb.toString(); 22498 } 22499 22500 // ------- apps on sdcard specific code ------- 22501 static final boolean DEBUG_SD_INSTALL = false; 22502 22503 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 22504 22505 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 22506 22507 private boolean mMediaMounted = false; 22508 22509 static String getEncryptKey() { 22510 try { 22511 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 22512 SD_ENCRYPTION_KEYSTORE_NAME); 22513 if (sdEncKey == null) { 22514 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 22515 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 22516 if (sdEncKey == null) { 22517 Slog.e(TAG, "Failed to create encryption keys"); 22518 return null; 22519 } 22520 } 22521 return sdEncKey; 22522 } catch (NoSuchAlgorithmException nsae) { 22523 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 22524 return null; 22525 } catch (IOException ioe) { 22526 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 22527 return null; 22528 } 22529 } 22530 22531 /* 22532 * Update media status on PackageManager. 22533 */ 22534 @Override 22535 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 22536 enforceSystemOrRoot("Media status can only be updated by the system"); 22537 // reader; this apparently protects mMediaMounted, but should probably 22538 // be a different lock in that case. 22539 synchronized (mPackages) { 22540 Log.i(TAG, "Updating external media status from " 22541 + (mMediaMounted ? "mounted" : "unmounted") + " to " 22542 + (mediaStatus ? "mounted" : "unmounted")); 22543 if (DEBUG_SD_INSTALL) 22544 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 22545 + ", mMediaMounted=" + mMediaMounted); 22546 if (mediaStatus == mMediaMounted) { 22547 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 22548 : 0, -1); 22549 mHandler.sendMessage(msg); 22550 return; 22551 } 22552 mMediaMounted = mediaStatus; 22553 } 22554 // Queue up an async operation since the package installation may take a 22555 // little while. 22556 mHandler.post(new Runnable() { 22557 public void run() { 22558 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 22559 } 22560 }); 22561 } 22562 22563 /** 22564 * Called by StorageManagerService when the initial ASECs to scan are available. 22565 * Should block until all the ASEC containers are finished being scanned. 22566 */ 22567 public void scanAvailableAsecs() { 22568 updateExternalMediaStatusInner(true, false, false); 22569 } 22570 22571 /* 22572 * Collect information of applications on external media, map them against 22573 * existing containers and update information based on current mount status. 22574 * Please note that we always have to report status if reportStatus has been 22575 * set to true especially when unloading packages. 22576 */ 22577 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 22578 boolean externalStorage) { 22579 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 22580 int[] uidArr = EmptyArray.INT; 22581 22582 final String[] list = PackageHelper.getSecureContainerList(); 22583 if (ArrayUtils.isEmpty(list)) { 22584 Log.i(TAG, "No secure containers found"); 22585 } else { 22586 // Process list of secure containers and categorize them 22587 // as active or stale based on their package internal state. 22588 22589 // reader 22590 synchronized (mPackages) { 22591 for (String cid : list) { 22592 // Leave stages untouched for now; installer service owns them 22593 if (PackageInstallerService.isStageName(cid)) continue; 22594 22595 if (DEBUG_SD_INSTALL) 22596 Log.i(TAG, "Processing container " + cid); 22597 String pkgName = getAsecPackageName(cid); 22598 if (pkgName == null) { 22599 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 22600 continue; 22601 } 22602 if (DEBUG_SD_INSTALL) 22603 Log.i(TAG, "Looking for pkg : " + pkgName); 22604 22605 final PackageSetting ps = mSettings.mPackages.get(pkgName); 22606 if (ps == null) { 22607 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 22608 continue; 22609 } 22610 22611 /* 22612 * Skip packages that are not external if we're unmounting 22613 * external storage. 22614 */ 22615 if (externalStorage && !isMounted && !isExternal(ps)) { 22616 continue; 22617 } 22618 22619 final AsecInstallArgs args = new AsecInstallArgs(cid, 22620 getAppDexInstructionSets(ps), ps.isForwardLocked()); 22621 // The package status is changed only if the code path 22622 // matches between settings and the container id. 22623 if (ps.codePathString != null 22624 && ps.codePathString.startsWith(args.getCodePath())) { 22625 if (DEBUG_SD_INSTALL) { 22626 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 22627 + " at code path: " + ps.codePathString); 22628 } 22629 22630 // We do have a valid package installed on sdcard 22631 processCids.put(args, ps.codePathString); 22632 final int uid = ps.appId; 22633 if (uid != -1) { 22634 uidArr = ArrayUtils.appendInt(uidArr, uid); 22635 } 22636 } else { 22637 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 22638 + ps.codePathString); 22639 } 22640 } 22641 } 22642 22643 Arrays.sort(uidArr); 22644 } 22645 22646 // Process packages with valid entries. 22647 if (isMounted) { 22648 if (DEBUG_SD_INSTALL) 22649 Log.i(TAG, "Loading packages"); 22650 loadMediaPackages(processCids, uidArr, externalStorage); 22651 startCleaningPackages(); 22652 mInstallerService.onSecureContainersAvailable(); 22653 } else { 22654 if (DEBUG_SD_INSTALL) 22655 Log.i(TAG, "Unloading packages"); 22656 unloadMediaPackages(processCids, uidArr, reportStatus); 22657 } 22658 } 22659 22660 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 22661 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 22662 final int size = infos.size(); 22663 final String[] packageNames = new String[size]; 22664 final int[] packageUids = new int[size]; 22665 for (int i = 0; i < size; i++) { 22666 final ApplicationInfo info = infos.get(i); 22667 packageNames[i] = info.packageName; 22668 packageUids[i] = info.uid; 22669 } 22670 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 22671 finishedReceiver); 22672 } 22673 22674 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 22675 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 22676 sendResourcesChangedBroadcast(mediaStatus, replacing, 22677 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 22678 } 22679 22680 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 22681 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 22682 int size = pkgList.length; 22683 if (size > 0) { 22684 // Send broadcasts here 22685 Bundle extras = new Bundle(); 22686 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 22687 if (uidArr != null) { 22688 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 22689 } 22690 if (replacing) { 22691 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 22692 } 22693 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 22694 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 22695 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 22696 } 22697 } 22698 22699 /* 22700 * Look at potentially valid container ids from processCids If package 22701 * information doesn't match the one on record or package scanning fails, 22702 * the cid is added to list of removeCids. We currently don't delete stale 22703 * containers. 22704 */ 22705 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 22706 boolean externalStorage) { 22707 ArrayList<String> pkgList = new ArrayList<String>(); 22708 Set<AsecInstallArgs> keys = processCids.keySet(); 22709 22710 for (AsecInstallArgs args : keys) { 22711 String codePath = processCids.get(args); 22712 if (DEBUG_SD_INSTALL) 22713 Log.i(TAG, "Loading container : " + args.cid); 22714 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 22715 try { 22716 // Make sure there are no container errors first. 22717 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 22718 Slog.e(TAG, "Failed to mount cid : " + args.cid 22719 + " when installing from sdcard"); 22720 continue; 22721 } 22722 // Check code path here. 22723 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 22724 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 22725 + " does not match one in settings " + codePath); 22726 continue; 22727 } 22728 // Parse package 22729 int parseFlags = mDefParseFlags; 22730 if (args.isExternalAsec()) { 22731 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 22732 } 22733 if (args.isFwdLocked()) { 22734 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 22735 } 22736 22737 synchronized (mInstallLock) { 22738 PackageParser.Package pkg = null; 22739 try { 22740 // Sadly we don't know the package name yet to freeze it 22741 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 22742 SCAN_IGNORE_FROZEN, 0, null); 22743 } catch (PackageManagerException e) { 22744 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 22745 } 22746 // Scan the package 22747 if (pkg != null) { 22748 /* 22749 * TODO why is the lock being held? doPostInstall is 22750 * called in other places without the lock. This needs 22751 * to be straightened out. 22752 */ 22753 // writer 22754 synchronized (mPackages) { 22755 retCode = PackageManager.INSTALL_SUCCEEDED; 22756 pkgList.add(pkg.packageName); 22757 // Post process args 22758 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 22759 pkg.applicationInfo.uid); 22760 } 22761 } else { 22762 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 22763 } 22764 } 22765 22766 } finally { 22767 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 22768 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 22769 } 22770 } 22771 } 22772 // writer 22773 synchronized (mPackages) { 22774 // If the platform SDK has changed since the last time we booted, 22775 // we need to re-grant app permission to catch any new ones that 22776 // appear. This is really a hack, and means that apps can in some 22777 // cases get permissions that the user didn't initially explicitly 22778 // allow... it would be nice to have some better way to handle 22779 // this situation. 22780 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 22781 : mSettings.getInternalVersion(); 22782 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 22783 : StorageManager.UUID_PRIVATE_INTERNAL; 22784 22785 int updateFlags = UPDATE_PERMISSIONS_ALL; 22786 if (ver.sdkVersion != mSdkVersion) { 22787 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 22788 + mSdkVersion + "; regranting permissions for external"); 22789 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 22790 } 22791 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 22792 22793 // Yay, everything is now upgraded 22794 ver.forceCurrent(); 22795 22796 // can downgrade to reader 22797 // Persist settings 22798 mSettings.writeLPr(); 22799 } 22800 // Send a broadcast to let everyone know we are done processing 22801 if (pkgList.size() > 0) { 22802 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 22803 } 22804 } 22805 22806 /* 22807 * Utility method to unload a list of specified containers 22808 */ 22809 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 22810 // Just unmount all valid containers. 22811 for (AsecInstallArgs arg : cidArgs) { 22812 synchronized (mInstallLock) { 22813 arg.doPostDeleteLI(false); 22814 } 22815 } 22816 } 22817 22818 /* 22819 * Unload packages mounted on external media. This involves deleting package 22820 * data from internal structures, sending broadcasts about disabled packages, 22821 * gc'ing to free up references, unmounting all secure containers 22822 * corresponding to packages on external media, and posting a 22823 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 22824 * that we always have to post this message if status has been requested no 22825 * matter what. 22826 */ 22827 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 22828 final boolean reportStatus) { 22829 if (DEBUG_SD_INSTALL) 22830 Log.i(TAG, "unloading media packages"); 22831 ArrayList<String> pkgList = new ArrayList<String>(); 22832 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 22833 final Set<AsecInstallArgs> keys = processCids.keySet(); 22834 for (AsecInstallArgs args : keys) { 22835 String pkgName = args.getPackageName(); 22836 if (DEBUG_SD_INSTALL) 22837 Log.i(TAG, "Trying to unload pkg : " + pkgName); 22838 // Delete package internally 22839 PackageRemovedInfo outInfo = new PackageRemovedInfo(this); 22840 synchronized (mInstallLock) { 22841 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 22842 final boolean res; 22843 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 22844 "unloadMediaPackages")) { 22845 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 22846 null); 22847 } 22848 if (res) { 22849 pkgList.add(pkgName); 22850 } else { 22851 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 22852 failedList.add(args); 22853 } 22854 } 22855 } 22856 22857 // reader 22858 synchronized (mPackages) { 22859 // We didn't update the settings after removing each package; 22860 // write them now for all packages. 22861 mSettings.writeLPr(); 22862 } 22863 22864 // We have to absolutely send UPDATED_MEDIA_STATUS only 22865 // after confirming that all the receivers processed the ordered 22866 // broadcast when packages get disabled, force a gc to clean things up. 22867 // and unload all the containers. 22868 if (pkgList.size() > 0) { 22869 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 22870 new IIntentReceiver.Stub() { 22871 public void performReceive(Intent intent, int resultCode, String data, 22872 Bundle extras, boolean ordered, boolean sticky, 22873 int sendingUser) throws RemoteException { 22874 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 22875 reportStatus ? 1 : 0, 1, keys); 22876 mHandler.sendMessage(msg); 22877 } 22878 }); 22879 } else { 22880 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 22881 keys); 22882 mHandler.sendMessage(msg); 22883 } 22884 } 22885 22886 private void loadPrivatePackages(final VolumeInfo vol) { 22887 mHandler.post(new Runnable() { 22888 @Override 22889 public void run() { 22890 loadPrivatePackagesInner(vol); 22891 } 22892 }); 22893 } 22894 22895 private void loadPrivatePackagesInner(VolumeInfo vol) { 22896 final String volumeUuid = vol.fsUuid; 22897 if (TextUtils.isEmpty(volumeUuid)) { 22898 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 22899 return; 22900 } 22901 22902 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 22903 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 22904 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 22905 22906 final VersionInfo ver; 22907 final List<PackageSetting> packages; 22908 synchronized (mPackages) { 22909 ver = mSettings.findOrCreateVersion(volumeUuid); 22910 packages = mSettings.getVolumePackagesLPr(volumeUuid); 22911 } 22912 22913 for (PackageSetting ps : packages) { 22914 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 22915 synchronized (mInstallLock) { 22916 final PackageParser.Package pkg; 22917 try { 22918 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 22919 loaded.add(pkg.applicationInfo); 22920 22921 } catch (PackageManagerException e) { 22922 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 22923 } 22924 22925 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 22926 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 22927 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 22928 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 22929 } 22930 } 22931 } 22932 22933 // Reconcile app data for all started/unlocked users 22934 final StorageManager sm = mContext.getSystemService(StorageManager.class); 22935 final UserManager um = mContext.getSystemService(UserManager.class); 22936 UserManagerInternal umInternal = getUserManagerInternal(); 22937 for (UserInfo user : um.getUsers()) { 22938 final int flags; 22939 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 22940 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 22941 } else if (umInternal.isUserRunning(user.id)) { 22942 flags = StorageManager.FLAG_STORAGE_DE; 22943 } else { 22944 continue; 22945 } 22946 22947 try { 22948 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 22949 synchronized (mInstallLock) { 22950 reconcileAppsDataLI(volumeUuid, user.id, flags, true /* migrateAppData */); 22951 } 22952 } catch (IllegalStateException e) { 22953 // Device was probably ejected, and we'll process that event momentarily 22954 Slog.w(TAG, "Failed to prepare storage: " + e); 22955 } 22956 } 22957 22958 synchronized (mPackages) { 22959 int updateFlags = UPDATE_PERMISSIONS_ALL; 22960 if (ver.sdkVersion != mSdkVersion) { 22961 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 22962 + mSdkVersion + "; regranting permissions for " + volumeUuid); 22963 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 22964 } 22965 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 22966 22967 // Yay, everything is now upgraded 22968 ver.forceCurrent(); 22969 22970 mSettings.writeLPr(); 22971 } 22972 22973 for (PackageFreezer freezer : freezers) { 22974 freezer.close(); 22975 } 22976 22977 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 22978 sendResourcesChangedBroadcast(true, false, loaded, null); 22979 } 22980 22981 private void unloadPrivatePackages(final VolumeInfo vol) { 22982 mHandler.post(new Runnable() { 22983 @Override 22984 public void run() { 22985 unloadPrivatePackagesInner(vol); 22986 } 22987 }); 22988 } 22989 22990 private void unloadPrivatePackagesInner(VolumeInfo vol) { 22991 final String volumeUuid = vol.fsUuid; 22992 if (TextUtils.isEmpty(volumeUuid)) { 22993 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 22994 return; 22995 } 22996 22997 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 22998 synchronized (mInstallLock) { 22999 synchronized (mPackages) { 23000 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 23001 for (PackageSetting ps : packages) { 23002 if (ps.pkg == null) continue; 23003 23004 final ApplicationInfo info = ps.pkg.applicationInfo; 23005 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 23006 final PackageRemovedInfo outInfo = new PackageRemovedInfo(this); 23007 23008 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 23009 "unloadPrivatePackagesInner")) { 23010 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 23011 false, null)) { 23012 unloaded.add(info); 23013 } else { 23014 Slog.w(TAG, "Failed to unload " + ps.codePath); 23015 } 23016 } 23017 23018 // Try very hard to release any references to this package 23019 // so we don't risk the system server being killed due to 23020 // open FDs 23021 AttributeCache.instance().removePackage(ps.name); 23022 } 23023 23024 mSettings.writeLPr(); 23025 } 23026 } 23027 23028 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 23029 sendResourcesChangedBroadcast(false, false, unloaded, null); 23030 23031 // Try very hard to release any references to this path so we don't risk 23032 // the system server being killed due to open FDs 23033 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 23034 23035 for (int i = 0; i < 3; i++) { 23036 System.gc(); 23037 System.runFinalization(); 23038 } 23039 } 23040 23041 private void assertPackageKnown(String volumeUuid, String packageName) 23042 throws PackageManagerException { 23043 synchronized (mPackages) { 23044 // Normalize package name to handle renamed packages 23045 packageName = normalizePackageNameLPr(packageName); 23046 23047 final PackageSetting ps = mSettings.mPackages.get(packageName); 23048 if (ps == null) { 23049 throw new PackageManagerException("Package " + packageName + " is unknown"); 23050 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 23051 throw new PackageManagerException( 23052 "Package " + packageName + " found on unknown volume " + volumeUuid 23053 + "; expected volume " + ps.volumeUuid); 23054 } 23055 } 23056 } 23057 23058 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 23059 throws PackageManagerException { 23060 synchronized (mPackages) { 23061 // Normalize package name to handle renamed packages 23062 packageName = normalizePackageNameLPr(packageName); 23063 23064 final PackageSetting ps = mSettings.mPackages.get(packageName); 23065 if (ps == null) { 23066 throw new PackageManagerException("Package " + packageName + " is unknown"); 23067 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 23068 throw new PackageManagerException( 23069 "Package " + packageName + " found on unknown volume " + volumeUuid 23070 + "; expected volume " + ps.volumeUuid); 23071 } else if (!ps.getInstalled(userId)) { 23072 throw new PackageManagerException( 23073 "Package " + packageName + " not installed for user " + userId); 23074 } 23075 } 23076 } 23077 23078 private List<String> collectAbsoluteCodePaths() { 23079 synchronized (mPackages) { 23080 List<String> codePaths = new ArrayList<>(); 23081 final int packageCount = mSettings.mPackages.size(); 23082 for (int i = 0; i < packageCount; i++) { 23083 final PackageSetting ps = mSettings.mPackages.valueAt(i); 23084 codePaths.add(ps.codePath.getAbsolutePath()); 23085 } 23086 return codePaths; 23087 } 23088 } 23089 23090 /** 23091 * Examine all apps present on given mounted volume, and destroy apps that 23092 * aren't expected, either due to uninstallation or reinstallation on 23093 * another volume. 23094 */ 23095 private void reconcileApps(String volumeUuid) { 23096 List<String> absoluteCodePaths = collectAbsoluteCodePaths(); 23097 List<File> filesToDelete = null; 23098 23099 final File[] files = FileUtils.listFilesOrEmpty( 23100 Environment.getDataAppDirectory(volumeUuid)); 23101 for (File file : files) { 23102 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 23103 && !PackageInstallerService.isStageName(file.getName()); 23104 if (!isPackage) { 23105 // Ignore entries which are not packages 23106 continue; 23107 } 23108 23109 String absolutePath = file.getAbsolutePath(); 23110 23111 boolean pathValid = false; 23112 final int absoluteCodePathCount = absoluteCodePaths.size(); 23113 for (int i = 0; i < absoluteCodePathCount; i++) { 23114 String absoluteCodePath = absoluteCodePaths.get(i); 23115 if (absolutePath.startsWith(absoluteCodePath)) { 23116 pathValid = true; 23117 break; 23118 } 23119 } 23120 23121 if (!pathValid) { 23122 if (filesToDelete == null) { 23123 filesToDelete = new ArrayList<>(); 23124 } 23125 filesToDelete.add(file); 23126 } 23127 } 23128 23129 if (filesToDelete != null) { 23130 final int fileToDeleteCount = filesToDelete.size(); 23131 for (int i = 0; i < fileToDeleteCount; i++) { 23132 File fileToDelete = filesToDelete.get(i); 23133 logCriticalInfo(Log.WARN, "Destroying orphaned" + fileToDelete); 23134 synchronized (mInstallLock) { 23135 removeCodePathLI(fileToDelete); 23136 } 23137 } 23138 } 23139 } 23140 23141 /** 23142 * Reconcile all app data for the given user. 23143 * <p> 23144 * Verifies that directories exist and that ownership and labeling is 23145 * correct for all installed apps on all mounted volumes. 23146 */ 23147 void reconcileAppsData(int userId, int flags, boolean migrateAppsData) { 23148 final StorageManager storage = mContext.getSystemService(StorageManager.class); 23149 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 23150 final String volumeUuid = vol.getFsUuid(); 23151 synchronized (mInstallLock) { 23152 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppsData); 23153 } 23154 } 23155 } 23156 23157 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags, 23158 boolean migrateAppData) { 23159 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppData, false /* onlyCoreApps */); 23160 } 23161 23162 /** 23163 * Reconcile all app data on given mounted volume. 23164 * <p> 23165 * Destroys app data that isn't expected, either due to uninstallation or 23166 * reinstallation on another volume. 23167 * <p> 23168 * Verifies that directories exist and that ownership and labeling is 23169 * correct for all installed apps. 23170 * @returns list of skipped non-core packages (if {@code onlyCoreApps} is true) 23171 */ 23172 private List<String> reconcileAppsDataLI(String volumeUuid, int userId, int flags, 23173 boolean migrateAppData, boolean onlyCoreApps) { 23174 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 23175 + Integer.toHexString(flags) + " migrateAppData=" + migrateAppData); 23176 List<String> result = onlyCoreApps ? new ArrayList<>() : null; 23177 23178 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 23179 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 23180 23181 // First look for stale data that doesn't belong, and check if things 23182 // have changed since we did our last restorecon 23183 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 23184 if (StorageManager.isFileEncryptedNativeOrEmulated() 23185 && !StorageManager.isUserKeyUnlocked(userId)) { 23186 throw new RuntimeException( 23187 "Yikes, someone asked us to reconcile CE storage while " + userId 23188 + " was still locked; this would have caused massive data loss!"); 23189 } 23190 23191 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 23192 for (File file : files) { 23193 final String packageName = file.getName(); 23194 try { 23195 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 23196 } catch (PackageManagerException e) { 23197 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 23198 try { 23199 mInstaller.destroyAppData(volumeUuid, packageName, userId, 23200 StorageManager.FLAG_STORAGE_CE, 0); 23201 } catch (InstallerException e2) { 23202 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 23203 } 23204 } 23205 } 23206 } 23207 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 23208 final File[] files = FileUtils.listFilesOrEmpty(deDir); 23209 for (File file : files) { 23210 final String packageName = file.getName(); 23211 try { 23212 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 23213 } catch (PackageManagerException e) { 23214 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 23215 try { 23216 mInstaller.destroyAppData(volumeUuid, packageName, userId, 23217 StorageManager.FLAG_STORAGE_DE, 0); 23218 } catch (InstallerException e2) { 23219 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 23220 } 23221 } 23222 } 23223 } 23224 23225 // Ensure that data directories are ready to roll for all packages 23226 // installed for this volume and user 23227 final List<PackageSetting> packages; 23228 synchronized (mPackages) { 23229 packages = mSettings.getVolumePackagesLPr(volumeUuid); 23230 } 23231 int preparedCount = 0; 23232 for (PackageSetting ps : packages) { 23233 final String packageName = ps.name; 23234 if (ps.pkg == null) { 23235 Slog.w(TAG, "Odd, missing scanned package " + packageName); 23236 // TODO: might be due to legacy ASEC apps; we should circle back 23237 // and reconcile again once they're scanned 23238 continue; 23239 } 23240 // Skip non-core apps if requested 23241 if (onlyCoreApps && !ps.pkg.coreApp) { 23242 result.add(packageName); 23243 continue; 23244 } 23245 23246 if (ps.getInstalled(userId)) { 23247 prepareAppDataAndMigrateLIF(ps.pkg, userId, flags, migrateAppData); 23248 preparedCount++; 23249 } 23250 } 23251 23252 Slog.v(TAG, "reconcileAppsData finished " + preparedCount + " packages"); 23253 return result; 23254 } 23255 23256 /** 23257 * Prepare app data for the given app just after it was installed or 23258 * upgraded. This method carefully only touches users that it's installed 23259 * for, and it forces a restorecon to handle any seinfo changes. 23260 * <p> 23261 * Verifies that directories exist and that ownership and labeling is 23262 * correct for all installed apps. If there is an ownership mismatch, it 23263 * will try recovering system apps by wiping data; third-party app data is 23264 * left intact. 23265 * <p> 23266 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 23267 */ 23268 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 23269 final PackageSetting ps; 23270 synchronized (mPackages) { 23271 ps = mSettings.mPackages.get(pkg.packageName); 23272 mSettings.writeKernelMappingLPr(ps); 23273 } 23274 23275 final UserManager um = mContext.getSystemService(UserManager.class); 23276 UserManagerInternal umInternal = getUserManagerInternal(); 23277 for (UserInfo user : um.getUsers()) { 23278 final int flags; 23279 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 23280 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 23281 } else if (umInternal.isUserRunning(user.id)) { 23282 flags = StorageManager.FLAG_STORAGE_DE; 23283 } else { 23284 continue; 23285 } 23286 23287 if (ps.getInstalled(user.id)) { 23288 // TODO: when user data is locked, mark that we're still dirty 23289 prepareAppDataLIF(pkg, user.id, flags); 23290 } 23291 } 23292 } 23293 23294 /** 23295 * Prepare app data for the given app. 23296 * <p> 23297 * Verifies that directories exist and that ownership and labeling is 23298 * correct for all installed apps. If there is an ownership mismatch, this 23299 * will try recovering system apps by wiping data; third-party app data is 23300 * left intact. 23301 */ 23302 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 23303 if (pkg == null) { 23304 Slog.wtf(TAG, "Package was null!", new Throwable()); 23305 return; 23306 } 23307 prepareAppDataLeafLIF(pkg, userId, flags); 23308 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 23309 for (int i = 0; i < childCount; i++) { 23310 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 23311 } 23312 } 23313 23314 private void prepareAppDataAndMigrateLIF(PackageParser.Package pkg, int userId, int flags, 23315 boolean maybeMigrateAppData) { 23316 prepareAppDataLIF(pkg, userId, flags); 23317 23318 if (maybeMigrateAppData && maybeMigrateAppDataLIF(pkg, userId)) { 23319 // We may have just shuffled around app data directories, so 23320 // prepare them one more time 23321 prepareAppDataLIF(pkg, userId, flags); 23322 } 23323 } 23324 23325 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 23326 if (DEBUG_APP_DATA) { 23327 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 23328 + Integer.toHexString(flags)); 23329 } 23330 23331 final String volumeUuid = pkg.volumeUuid; 23332 final String packageName = pkg.packageName; 23333 final ApplicationInfo app = pkg.applicationInfo; 23334 final int appId = UserHandle.getAppId(app.uid); 23335 23336 Preconditions.checkNotNull(app.seInfo); 23337 23338 long ceDataInode = -1; 23339 try { 23340 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 23341 appId, app.seInfo, app.targetSdkVersion); 23342 } catch (InstallerException e) { 23343 if (app.isSystemApp()) { 23344 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 23345 + ", but trying to recover: " + e); 23346 destroyAppDataLeafLIF(pkg, userId, flags); 23347 try { 23348 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 23349 appId, app.seInfo, app.targetSdkVersion); 23350 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 23351 } catch (InstallerException e2) { 23352 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 23353 } 23354 } else { 23355 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 23356 } 23357 } 23358 23359 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && ceDataInode != -1) { 23360 // TODO: mark this structure as dirty so we persist it! 23361 synchronized (mPackages) { 23362 final PackageSetting ps = mSettings.mPackages.get(packageName); 23363 if (ps != null) { 23364 ps.setCeDataInode(ceDataInode, userId); 23365 } 23366 } 23367 } 23368 23369 prepareAppDataContentsLeafLIF(pkg, userId, flags); 23370 } 23371 23372 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 23373 if (pkg == null) { 23374 Slog.wtf(TAG, "Package was null!", new Throwable()); 23375 return; 23376 } 23377 prepareAppDataContentsLeafLIF(pkg, userId, flags); 23378 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 23379 for (int i = 0; i < childCount; i++) { 23380 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 23381 } 23382 } 23383 23384 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 23385 final String volumeUuid = pkg.volumeUuid; 23386 final String packageName = pkg.packageName; 23387 final ApplicationInfo app = pkg.applicationInfo; 23388 23389 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 23390 // Create a native library symlink only if we have native libraries 23391 // and if the native libraries are 32 bit libraries. We do not provide 23392 // this symlink for 64 bit libraries. 23393 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 23394 final String nativeLibPath = app.nativeLibraryDir; 23395 try { 23396 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 23397 nativeLibPath, userId); 23398 } catch (InstallerException e) { 23399 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 23400 } 23401 } 23402 } 23403 } 23404 23405 /** 23406 * For system apps on non-FBE devices, this method migrates any existing 23407 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 23408 * requested by the app. 23409 */ 23410 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 23411 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 23412 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 23413 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 23414 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 23415 try { 23416 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 23417 storageTarget); 23418 } catch (InstallerException e) { 23419 logCriticalInfo(Log.WARN, 23420 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 23421 } 23422 return true; 23423 } else { 23424 return false; 23425 } 23426 } 23427 23428 public PackageFreezer freezePackage(String packageName, String killReason) { 23429 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 23430 } 23431 23432 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 23433 return new PackageFreezer(packageName, userId, killReason); 23434 } 23435 23436 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 23437 String killReason) { 23438 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 23439 } 23440 23441 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 23442 String killReason) { 23443 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 23444 return new PackageFreezer(); 23445 } else { 23446 return freezePackage(packageName, userId, killReason); 23447 } 23448 } 23449 23450 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 23451 String killReason) { 23452 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 23453 } 23454 23455 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 23456 String killReason) { 23457 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 23458 return new PackageFreezer(); 23459 } else { 23460 return freezePackage(packageName, userId, killReason); 23461 } 23462 } 23463 23464 /** 23465 * Class that freezes and kills the given package upon creation, and 23466 * unfreezes it upon closing. This is typically used when doing surgery on 23467 * app code/data to prevent the app from running while you're working. 23468 */ 23469 private class PackageFreezer implements AutoCloseable { 23470 private final String mPackageName; 23471 private final PackageFreezer[] mChildren; 23472 23473 private final boolean mWeFroze; 23474 23475 private final AtomicBoolean mClosed = new AtomicBoolean(); 23476 private final CloseGuard mCloseGuard = CloseGuard.get(); 23477 23478 /** 23479 * Create and return a stub freezer that doesn't actually do anything, 23480 * typically used when someone requested 23481 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 23482 * {@link PackageManager#DELETE_DONT_KILL_APP}. 23483 */ 23484 public PackageFreezer() { 23485 mPackageName = null; 23486 mChildren = null; 23487 mWeFroze = false; 23488 mCloseGuard.open("close"); 23489 } 23490 23491 public PackageFreezer(String packageName, int userId, String killReason) { 23492 synchronized (mPackages) { 23493 mPackageName = packageName; 23494 mWeFroze = mFrozenPackages.add(mPackageName); 23495 23496 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 23497 if (ps != null) { 23498 killApplication(ps.name, ps.appId, userId, killReason); 23499 } 23500 23501 final PackageParser.Package p = mPackages.get(packageName); 23502 if (p != null && p.childPackages != null) { 23503 final int N = p.childPackages.size(); 23504 mChildren = new PackageFreezer[N]; 23505 for (int i = 0; i < N; i++) { 23506 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 23507 userId, killReason); 23508 } 23509 } else { 23510 mChildren = null; 23511 } 23512 } 23513 mCloseGuard.open("close"); 23514 } 23515 23516 @Override 23517 protected void finalize() throws Throwable { 23518 try { 23519 mCloseGuard.warnIfOpen(); 23520 close(); 23521 } finally { 23522 super.finalize(); 23523 } 23524 } 23525 23526 @Override 23527 public void close() { 23528 mCloseGuard.close(); 23529 if (mClosed.compareAndSet(false, true)) { 23530 synchronized (mPackages) { 23531 if (mWeFroze) { 23532 mFrozenPackages.remove(mPackageName); 23533 } 23534 23535 if (mChildren != null) { 23536 for (PackageFreezer freezer : mChildren) { 23537 freezer.close(); 23538 } 23539 } 23540 } 23541 } 23542 } 23543 } 23544 23545 /** 23546 * Verify that given package is currently frozen. 23547 */ 23548 private void checkPackageFrozen(String packageName) { 23549 synchronized (mPackages) { 23550 if (!mFrozenPackages.contains(packageName)) { 23551 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 23552 } 23553 } 23554 } 23555 23556 @Override 23557 public int movePackage(final String packageName, final String volumeUuid) { 23558 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 23559 23560 final int callingUid = Binder.getCallingUid(); 23561 final UserHandle user = new UserHandle(UserHandle.getUserId(callingUid)); 23562 final int moveId = mNextMoveId.getAndIncrement(); 23563 mHandler.post(new Runnable() { 23564 @Override 23565 public void run() { 23566 try { 23567 movePackageInternal(packageName, volumeUuid, moveId, callingUid, user); 23568 } catch (PackageManagerException e) { 23569 Slog.w(TAG, "Failed to move " + packageName, e); 23570 mMoveCallbacks.notifyStatusChanged(moveId, 23571 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 23572 } 23573 } 23574 }); 23575 return moveId; 23576 } 23577 23578 private void movePackageInternal(final String packageName, final String volumeUuid, 23579 final int moveId, final int callingUid, UserHandle user) 23580 throws PackageManagerException { 23581 final StorageManager storage = mContext.getSystemService(StorageManager.class); 23582 final PackageManager pm = mContext.getPackageManager(); 23583 23584 final boolean currentAsec; 23585 final String currentVolumeUuid; 23586 final File codeFile; 23587 final String installerPackageName; 23588 final String packageAbiOverride; 23589 final int appId; 23590 final String seinfo; 23591 final String label; 23592 final int targetSdkVersion; 23593 final PackageFreezer freezer; 23594 final int[] installedUserIds; 23595 23596 // reader 23597 synchronized (mPackages) { 23598 final PackageParser.Package pkg = mPackages.get(packageName); 23599 final PackageSetting ps = mSettings.mPackages.get(packageName); 23600 if (pkg == null 23601 || ps == null 23602 || filterAppAccessLPr(ps, callingUid, user.getIdentifier())) { 23603 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 23604 } 23605 if (pkg.applicationInfo.isSystemApp()) { 23606 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 23607 "Cannot move system application"); 23608 } 23609 23610 final boolean isInternalStorage = VolumeInfo.ID_PRIVATE_INTERNAL.equals(volumeUuid); 23611 final boolean allow3rdPartyOnInternal = mContext.getResources().getBoolean( 23612 com.android.internal.R.bool.config_allow3rdPartyAppOnInternal); 23613 if (isInternalStorage && !allow3rdPartyOnInternal) { 23614 throw new PackageManagerException(MOVE_FAILED_3RD_PARTY_NOT_ALLOWED_ON_INTERNAL, 23615 "3rd party apps are not allowed on internal storage"); 23616 } 23617 23618 if (pkg.applicationInfo.isExternalAsec()) { 23619 currentAsec = true; 23620 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 23621 } else if (pkg.applicationInfo.isForwardLocked()) { 23622 currentAsec = true; 23623 currentVolumeUuid = "forward_locked"; 23624 } else { 23625 currentAsec = false; 23626 currentVolumeUuid = ps.volumeUuid; 23627 23628 final File probe = new File(pkg.codePath); 23629 final File probeOat = new File(probe, "oat"); 23630 if (!probe.isDirectory() || !probeOat.isDirectory()) { 23631 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 23632 "Move only supported for modern cluster style installs"); 23633 } 23634 } 23635 23636 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 23637 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 23638 "Package already moved to " + volumeUuid); 23639 } 23640 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 23641 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 23642 "Device admin cannot be moved"); 23643 } 23644 23645 if (mFrozenPackages.contains(packageName)) { 23646 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 23647 "Failed to move already frozen package"); 23648 } 23649 23650 codeFile = new File(pkg.codePath); 23651 installerPackageName = ps.installerPackageName; 23652 packageAbiOverride = ps.cpuAbiOverrideString; 23653 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 23654 seinfo = pkg.applicationInfo.seInfo; 23655 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 23656 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 23657 freezer = freezePackage(packageName, "movePackageInternal"); 23658 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 23659 } 23660 23661 final Bundle extras = new Bundle(); 23662 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 23663 extras.putString(Intent.EXTRA_TITLE, label); 23664 mMoveCallbacks.notifyCreated(moveId, extras); 23665 23666 int installFlags; 23667 final boolean moveCompleteApp; 23668 final File measurePath; 23669 23670 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 23671 installFlags = INSTALL_INTERNAL; 23672 moveCompleteApp = !currentAsec; 23673 measurePath = Environment.getDataAppDirectory(volumeUuid); 23674 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 23675 installFlags = INSTALL_EXTERNAL; 23676 moveCompleteApp = false; 23677 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 23678 } else { 23679 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 23680 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 23681 || !volume.isMountedWritable()) { 23682 freezer.close(); 23683 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 23684 "Move location not mounted private volume"); 23685 } 23686 23687 Preconditions.checkState(!currentAsec); 23688 23689 installFlags = INSTALL_INTERNAL; 23690 moveCompleteApp = true; 23691 measurePath = Environment.getDataAppDirectory(volumeUuid); 23692 } 23693 23694 final PackageStats stats = new PackageStats(null, -1); 23695 synchronized (mInstaller) { 23696 for (int userId : installedUserIds) { 23697 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 23698 freezer.close(); 23699 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 23700 "Failed to measure package size"); 23701 } 23702 } 23703 } 23704 23705 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 23706 + stats.dataSize); 23707 23708 final long startFreeBytes = measurePath.getUsableSpace(); 23709 final long sizeBytes; 23710 if (moveCompleteApp) { 23711 sizeBytes = stats.codeSize + stats.dataSize; 23712 } else { 23713 sizeBytes = stats.codeSize; 23714 } 23715 23716 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 23717 freezer.close(); 23718 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 23719 "Not enough free space to move"); 23720 } 23721 23722 mMoveCallbacks.notifyStatusChanged(moveId, 10); 23723 23724 final CountDownLatch installedLatch = new CountDownLatch(1); 23725 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 23726 @Override 23727 public void onUserActionRequired(Intent intent) throws RemoteException { 23728 throw new IllegalStateException(); 23729 } 23730 23731 @Override 23732 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 23733 Bundle extras) throws RemoteException { 23734 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 23735 + PackageManager.installStatusToString(returnCode, msg)); 23736 23737 installedLatch.countDown(); 23738 freezer.close(); 23739 23740 final int status = PackageManager.installStatusToPublicStatus(returnCode); 23741 switch (status) { 23742 case PackageInstaller.STATUS_SUCCESS: 23743 mMoveCallbacks.notifyStatusChanged(moveId, 23744 PackageManager.MOVE_SUCCEEDED); 23745 break; 23746 case PackageInstaller.STATUS_FAILURE_STORAGE: 23747 mMoveCallbacks.notifyStatusChanged(moveId, 23748 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 23749 break; 23750 default: 23751 mMoveCallbacks.notifyStatusChanged(moveId, 23752 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 23753 break; 23754 } 23755 } 23756 }; 23757 23758 final MoveInfo move; 23759 if (moveCompleteApp) { 23760 // Kick off a thread to report progress estimates 23761 new Thread() { 23762 @Override 23763 public void run() { 23764 while (true) { 23765 try { 23766 if (installedLatch.await(1, TimeUnit.SECONDS)) { 23767 break; 23768 } 23769 } catch (InterruptedException ignored) { 23770 } 23771 23772 final long deltaFreeBytes = startFreeBytes - measurePath.getUsableSpace(); 23773 final int progress = 10 + (int) MathUtils.constrain( 23774 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 23775 mMoveCallbacks.notifyStatusChanged(moveId, progress); 23776 } 23777 } 23778 }.start(); 23779 23780 final String dataAppName = codeFile.getName(); 23781 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 23782 dataAppName, appId, seinfo, targetSdkVersion); 23783 } else { 23784 move = null; 23785 } 23786 23787 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 23788 23789 final Message msg = mHandler.obtainMessage(INIT_COPY); 23790 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 23791 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 23792 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 23793 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/, 23794 PackageManager.INSTALL_REASON_UNKNOWN); 23795 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 23796 msg.obj = params; 23797 23798 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 23799 System.identityHashCode(msg.obj)); 23800 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 23801 System.identityHashCode(msg.obj)); 23802 23803 mHandler.sendMessage(msg); 23804 } 23805 23806 @Override 23807 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 23808 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 23809 23810 final int realMoveId = mNextMoveId.getAndIncrement(); 23811 final Bundle extras = new Bundle(); 23812 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 23813 mMoveCallbacks.notifyCreated(realMoveId, extras); 23814 23815 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 23816 @Override 23817 public void onCreated(int moveId, Bundle extras) { 23818 // Ignored 23819 } 23820 23821 @Override 23822 public void onStatusChanged(int moveId, int status, long estMillis) { 23823 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 23824 } 23825 }; 23826 23827 final StorageManager storage = mContext.getSystemService(StorageManager.class); 23828 storage.setPrimaryStorageUuid(volumeUuid, callback); 23829 return realMoveId; 23830 } 23831 23832 @Override 23833 public int getMoveStatus(int moveId) { 23834 mContext.enforceCallingOrSelfPermission( 23835 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 23836 return mMoveCallbacks.mLastStatus.get(moveId); 23837 } 23838 23839 @Override 23840 public void registerMoveCallback(IPackageMoveObserver callback) { 23841 mContext.enforceCallingOrSelfPermission( 23842 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 23843 mMoveCallbacks.register(callback); 23844 } 23845 23846 @Override 23847 public void unregisterMoveCallback(IPackageMoveObserver callback) { 23848 mContext.enforceCallingOrSelfPermission( 23849 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 23850 mMoveCallbacks.unregister(callback); 23851 } 23852 23853 @Override 23854 public boolean setInstallLocation(int loc) { 23855 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 23856 null); 23857 if (getInstallLocation() == loc) { 23858 return true; 23859 } 23860 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 23861 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 23862 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 23863 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 23864 return true; 23865 } 23866 return false; 23867 } 23868 23869 @Override 23870 public int getInstallLocation() { 23871 // allow instant app access 23872 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 23873 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 23874 PackageHelper.APP_INSTALL_AUTO); 23875 } 23876 23877 /** Called by UserManagerService */ 23878 void cleanUpUser(UserManagerService userManager, int userHandle) { 23879 synchronized (mPackages) { 23880 mDirtyUsers.remove(userHandle); 23881 mUserNeedsBadging.delete(userHandle); 23882 mSettings.removeUserLPw(userHandle); 23883 mPendingBroadcasts.remove(userHandle); 23884 mInstantAppRegistry.onUserRemovedLPw(userHandle); 23885 removeUnusedPackagesLPw(userManager, userHandle); 23886 } 23887 } 23888 23889 /** 23890 * We're removing userHandle and would like to remove any downloaded packages 23891 * that are no longer in use by any other user. 23892 * @param userHandle the user being removed 23893 */ 23894 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 23895 final boolean DEBUG_CLEAN_APKS = false; 23896 int [] users = userManager.getUserIds(); 23897 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 23898 while (psit.hasNext()) { 23899 PackageSetting ps = psit.next(); 23900 if (ps.pkg == null) { 23901 continue; 23902 } 23903 final String packageName = ps.pkg.packageName; 23904 // Skip over if system app 23905 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 23906 continue; 23907 } 23908 if (DEBUG_CLEAN_APKS) { 23909 Slog.i(TAG, "Checking package " + packageName); 23910 } 23911 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 23912 if (keep) { 23913 if (DEBUG_CLEAN_APKS) { 23914 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 23915 } 23916 } else { 23917 for (int i = 0; i < users.length; i++) { 23918 if (users[i] != userHandle && ps.getInstalled(users[i])) { 23919 keep = true; 23920 if (DEBUG_CLEAN_APKS) { 23921 Slog.i(TAG, " Keeping package " + packageName + " for user " 23922 + users[i]); 23923 } 23924 break; 23925 } 23926 } 23927 } 23928 if (!keep) { 23929 if (DEBUG_CLEAN_APKS) { 23930 Slog.i(TAG, " Removing package " + packageName); 23931 } 23932 mHandler.post(new Runnable() { 23933 public void run() { 23934 deletePackageX(packageName, PackageManager.VERSION_CODE_HIGHEST, 23935 userHandle, 0); 23936 } //end run 23937 }); 23938 } 23939 } 23940 } 23941 23942 /** Called by UserManagerService */ 23943 void createNewUser(int userId, String[] disallowedPackages) { 23944 synchronized (mInstallLock) { 23945 mSettings.createNewUserLI(this, mInstaller, userId, disallowedPackages); 23946 } 23947 synchronized (mPackages) { 23948 scheduleWritePackageRestrictionsLocked(userId); 23949 scheduleWritePackageListLocked(userId); 23950 applyFactoryDefaultBrowserLPw(userId); 23951 primeDomainVerificationsLPw(userId); 23952 } 23953 } 23954 23955 void onNewUserCreated(final int userId) { 23956 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 23957 // If permission review for legacy apps is required, we represent 23958 // dagerous permissions for such apps as always granted runtime 23959 // permissions to keep per user flag state whether review is needed. 23960 // Hence, if a new user is added we have to propagate dangerous 23961 // permission grants for these legacy apps. 23962 if (mPermissionReviewRequired) { 23963 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 23964 | UPDATE_PERMISSIONS_REPLACE_ALL); 23965 } 23966 } 23967 23968 @Override 23969 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 23970 mContext.enforceCallingOrSelfPermission( 23971 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 23972 "Only package verification agents can read the verifier device identity"); 23973 23974 synchronized (mPackages) { 23975 return mSettings.getVerifierDeviceIdentityLPw(); 23976 } 23977 } 23978 23979 @Override 23980 public void setPermissionEnforced(String permission, boolean enforced) { 23981 // TODO: Now that we no longer change GID for storage, this should to away. 23982 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 23983 "setPermissionEnforced"); 23984 if (READ_EXTERNAL_STORAGE.equals(permission)) { 23985 synchronized (mPackages) { 23986 if (mSettings.mReadExternalStorageEnforced == null 23987 || mSettings.mReadExternalStorageEnforced != enforced) { 23988 mSettings.mReadExternalStorageEnforced = enforced; 23989 mSettings.writeLPr(); 23990 } 23991 } 23992 // kill any non-foreground processes so we restart them and 23993 // grant/revoke the GID. 23994 final IActivityManager am = ActivityManager.getService(); 23995 if (am != null) { 23996 final long token = Binder.clearCallingIdentity(); 23997 try { 23998 am.killProcessesBelowForeground("setPermissionEnforcement"); 23999 } catch (RemoteException e) { 24000 } finally { 24001 Binder.restoreCallingIdentity(token); 24002 } 24003 } 24004 } else { 24005 throw new IllegalArgumentException("No selective enforcement for " + permission); 24006 } 24007 } 24008 24009 @Override 24010 @Deprecated 24011 public boolean isPermissionEnforced(String permission) { 24012 // allow instant applications 24013 return true; 24014 } 24015 24016 @Override 24017 public boolean isStorageLow() { 24018 // allow instant applications 24019 final long token = Binder.clearCallingIdentity(); 24020 try { 24021 final DeviceStorageMonitorInternal 24022 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 24023 if (dsm != null) { 24024 return dsm.isMemoryLow(); 24025 } else { 24026 return false; 24027 } 24028 } finally { 24029 Binder.restoreCallingIdentity(token); 24030 } 24031 } 24032 24033 @Override 24034 public IPackageInstaller getPackageInstaller() { 24035 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 24036 return null; 24037 } 24038 return mInstallerService; 24039 } 24040 24041 private boolean userNeedsBadging(int userId) { 24042 int index = mUserNeedsBadging.indexOfKey(userId); 24043 if (index < 0) { 24044 final UserInfo userInfo; 24045 final long token = Binder.clearCallingIdentity(); 24046 try { 24047 userInfo = sUserManager.getUserInfo(userId); 24048 } finally { 24049 Binder.restoreCallingIdentity(token); 24050 } 24051 final boolean b; 24052 if (userInfo != null && userInfo.isManagedProfile()) { 24053 b = true; 24054 } else { 24055 b = false; 24056 } 24057 mUserNeedsBadging.put(userId, b); 24058 return b; 24059 } 24060 return mUserNeedsBadging.valueAt(index); 24061 } 24062 24063 @Override 24064 public KeySet getKeySetByAlias(String packageName, String alias) { 24065 if (packageName == null || alias == null) { 24066 return null; 24067 } 24068 synchronized(mPackages) { 24069 final PackageParser.Package pkg = mPackages.get(packageName); 24070 if (pkg == null) { 24071 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 24072 throw new IllegalArgumentException("Unknown package: " + packageName); 24073 } 24074 final PackageSetting ps = (PackageSetting) pkg.mExtras; 24075 if (filterAppAccessLPr(ps, Binder.getCallingUid(), UserHandle.getCallingUserId())) { 24076 Slog.w(TAG, "KeySet requested for filtered package: " + packageName); 24077 throw new IllegalArgumentException("Unknown package: " + packageName); 24078 } 24079 KeySetManagerService ksms = mSettings.mKeySetManagerService; 24080 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 24081 } 24082 } 24083 24084 @Override 24085 public KeySet getSigningKeySet(String packageName) { 24086 if (packageName == null) { 24087 return null; 24088 } 24089 synchronized(mPackages) { 24090 final int callingUid = Binder.getCallingUid(); 24091 final int callingUserId = UserHandle.getUserId(callingUid); 24092 final PackageParser.Package pkg = mPackages.get(packageName); 24093 if (pkg == null) { 24094 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 24095 throw new IllegalArgumentException("Unknown package: " + packageName); 24096 } 24097 final PackageSetting ps = (PackageSetting) pkg.mExtras; 24098 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 24099 // filter and pretend the package doesn't exist 24100 Slog.w(TAG, "KeySet requested for filtered package: " + packageName 24101 + ", uid:" + callingUid); 24102 throw new IllegalArgumentException("Unknown package: " + packageName); 24103 } 24104 if (pkg.applicationInfo.uid != callingUid 24105 && Process.SYSTEM_UID != callingUid) { 24106 throw new SecurityException("May not access signing KeySet of other apps."); 24107 } 24108 KeySetManagerService ksms = mSettings.mKeySetManagerService; 24109 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 24110 } 24111 } 24112 24113 @Override 24114 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 24115 final int callingUid = Binder.getCallingUid(); 24116 if (getInstantAppPackageName(callingUid) != null) { 24117 return false; 24118 } 24119 if (packageName == null || ks == null) { 24120 return false; 24121 } 24122 synchronized(mPackages) { 24123 final PackageParser.Package pkg = mPackages.get(packageName); 24124 if (pkg == null 24125 || filterAppAccessLPr((PackageSetting) pkg.mExtras, callingUid, 24126 UserHandle.getUserId(callingUid))) { 24127 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 24128 throw new IllegalArgumentException("Unknown package: " + packageName); 24129 } 24130 IBinder ksh = ks.getToken(); 24131 if (ksh instanceof KeySetHandle) { 24132 KeySetManagerService ksms = mSettings.mKeySetManagerService; 24133 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 24134 } 24135 return false; 24136 } 24137 } 24138 24139 @Override 24140 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 24141 final int callingUid = Binder.getCallingUid(); 24142 if (getInstantAppPackageName(callingUid) != null) { 24143 return false; 24144 } 24145 if (packageName == null || ks == null) { 24146 return false; 24147 } 24148 synchronized(mPackages) { 24149 final PackageParser.Package pkg = mPackages.get(packageName); 24150 if (pkg == null 24151 || filterAppAccessLPr((PackageSetting) pkg.mExtras, callingUid, 24152 UserHandle.getUserId(callingUid))) { 24153 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 24154 throw new IllegalArgumentException("Unknown package: " + packageName); 24155 } 24156 IBinder ksh = ks.getToken(); 24157 if (ksh instanceof KeySetHandle) { 24158 KeySetManagerService ksms = mSettings.mKeySetManagerService; 24159 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 24160 } 24161 return false; 24162 } 24163 } 24164 24165 private void deletePackageIfUnusedLPr(final String packageName) { 24166 PackageSetting ps = mSettings.mPackages.get(packageName); 24167 if (ps == null) { 24168 return; 24169 } 24170 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 24171 // TODO Implement atomic delete if package is unused 24172 // It is currently possible that the package will be deleted even if it is installed 24173 // after this method returns. 24174 mHandler.post(new Runnable() { 24175 public void run() { 24176 deletePackageX(packageName, PackageManager.VERSION_CODE_HIGHEST, 24177 0, PackageManager.DELETE_ALL_USERS); 24178 } 24179 }); 24180 } 24181 } 24182 24183 /** 24184 * Check and throw if the given before/after packages would be considered a 24185 * downgrade. 24186 */ 24187 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 24188 throws PackageManagerException { 24189 if (after.versionCode < before.mVersionCode) { 24190 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 24191 "Update version code " + after.versionCode + " is older than current " 24192 + before.mVersionCode); 24193 } else if (after.versionCode == before.mVersionCode) { 24194 if (after.baseRevisionCode < before.baseRevisionCode) { 24195 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 24196 "Update base revision code " + after.baseRevisionCode 24197 + " is older than current " + before.baseRevisionCode); 24198 } 24199 24200 if (!ArrayUtils.isEmpty(after.splitNames)) { 24201 for (int i = 0; i < after.splitNames.length; i++) { 24202 final String splitName = after.splitNames[i]; 24203 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 24204 if (j != -1) { 24205 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 24206 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 24207 "Update split " + splitName + " revision code " 24208 + after.splitRevisionCodes[i] + " is older than current " 24209 + before.splitRevisionCodes[j]); 24210 } 24211 } 24212 } 24213 } 24214 } 24215 } 24216 24217 private static class MoveCallbacks extends Handler { 24218 private static final int MSG_CREATED = 1; 24219 private static final int MSG_STATUS_CHANGED = 2; 24220 24221 private final RemoteCallbackList<IPackageMoveObserver> 24222 mCallbacks = new RemoteCallbackList<>(); 24223 24224 private final SparseIntArray mLastStatus = new SparseIntArray(); 24225 24226 public MoveCallbacks(Looper looper) { 24227 super(looper); 24228 } 24229 24230 public void register(IPackageMoveObserver callback) { 24231 mCallbacks.register(callback); 24232 } 24233 24234 public void unregister(IPackageMoveObserver callback) { 24235 mCallbacks.unregister(callback); 24236 } 24237 24238 @Override 24239 public void handleMessage(Message msg) { 24240 final SomeArgs args = (SomeArgs) msg.obj; 24241 final int n = mCallbacks.beginBroadcast(); 24242 for (int i = 0; i < n; i++) { 24243 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 24244 try { 24245 invokeCallback(callback, msg.what, args); 24246 } catch (RemoteException ignored) { 24247 } 24248 } 24249 mCallbacks.finishBroadcast(); 24250 args.recycle(); 24251 } 24252 24253 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 24254 throws RemoteException { 24255 switch (what) { 24256 case MSG_CREATED: { 24257 callback.onCreated(args.argi1, (Bundle) args.arg2); 24258 break; 24259 } 24260 case MSG_STATUS_CHANGED: { 24261 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 24262 break; 24263 } 24264 } 24265 } 24266 24267 private void notifyCreated(int moveId, Bundle extras) { 24268 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 24269 24270 final SomeArgs args = SomeArgs.obtain(); 24271 args.argi1 = moveId; 24272 args.arg2 = extras; 24273 obtainMessage(MSG_CREATED, args).sendToTarget(); 24274 } 24275 24276 private void notifyStatusChanged(int moveId, int status) { 24277 notifyStatusChanged(moveId, status, -1); 24278 } 24279 24280 private void notifyStatusChanged(int moveId, int status, long estMillis) { 24281 Slog.v(TAG, "Move " + moveId + " status " + status); 24282 24283 final SomeArgs args = SomeArgs.obtain(); 24284 args.argi1 = moveId; 24285 args.argi2 = status; 24286 args.arg3 = estMillis; 24287 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 24288 24289 synchronized (mLastStatus) { 24290 mLastStatus.put(moveId, status); 24291 } 24292 } 24293 } 24294 24295 private final static class OnPermissionChangeListeners extends Handler { 24296 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 24297 24298 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 24299 new RemoteCallbackList<>(); 24300 24301 public OnPermissionChangeListeners(Looper looper) { 24302 super(looper); 24303 } 24304 24305 @Override 24306 public void handleMessage(Message msg) { 24307 switch (msg.what) { 24308 case MSG_ON_PERMISSIONS_CHANGED: { 24309 final int uid = msg.arg1; 24310 handleOnPermissionsChanged(uid); 24311 } break; 24312 } 24313 } 24314 24315 public void addListenerLocked(IOnPermissionsChangeListener listener) { 24316 mPermissionListeners.register(listener); 24317 24318 } 24319 24320 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 24321 mPermissionListeners.unregister(listener); 24322 } 24323 24324 public void onPermissionsChanged(int uid) { 24325 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 24326 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 24327 } 24328 } 24329 24330 private void handleOnPermissionsChanged(int uid) { 24331 final int count = mPermissionListeners.beginBroadcast(); 24332 try { 24333 for (int i = 0; i < count; i++) { 24334 IOnPermissionsChangeListener callback = mPermissionListeners 24335 .getBroadcastItem(i); 24336 try { 24337 callback.onPermissionsChanged(uid); 24338 } catch (RemoteException e) { 24339 Log.e(TAG, "Permission listener is dead", e); 24340 } 24341 } 24342 } finally { 24343 mPermissionListeners.finishBroadcast(); 24344 } 24345 } 24346 } 24347 24348 private class PackageManagerInternalImpl extends PackageManagerInternal { 24349 @Override 24350 public void setLocationPackagesProvider(PackagesProvider provider) { 24351 synchronized (mPackages) { 24352 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 24353 } 24354 } 24355 24356 @Override 24357 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 24358 synchronized (mPackages) { 24359 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 24360 } 24361 } 24362 24363 @Override 24364 public void setSmsAppPackagesProvider(PackagesProvider provider) { 24365 synchronized (mPackages) { 24366 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 24367 } 24368 } 24369 24370 @Override 24371 public void setDialerAppPackagesProvider(PackagesProvider provider) { 24372 synchronized (mPackages) { 24373 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 24374 } 24375 } 24376 24377 @Override 24378 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 24379 synchronized (mPackages) { 24380 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 24381 } 24382 } 24383 24384 @Override 24385 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 24386 synchronized (mPackages) { 24387 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 24388 } 24389 } 24390 24391 @Override 24392 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 24393 synchronized (mPackages) { 24394 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 24395 packageName, userId); 24396 } 24397 } 24398 24399 @Override 24400 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 24401 synchronized (mPackages) { 24402 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 24403 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 24404 packageName, userId); 24405 } 24406 } 24407 24408 @Override 24409 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 24410 synchronized (mPackages) { 24411 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 24412 packageName, userId); 24413 } 24414 } 24415 24416 @Override 24417 public void setKeepUninstalledPackages(final List<String> packageList) { 24418 Preconditions.checkNotNull(packageList); 24419 List<String> removedFromList = null; 24420 synchronized (mPackages) { 24421 if (mKeepUninstalledPackages != null) { 24422 final int packagesCount = mKeepUninstalledPackages.size(); 24423 for (int i = 0; i < packagesCount; i++) { 24424 String oldPackage = mKeepUninstalledPackages.get(i); 24425 if (packageList != null && packageList.contains(oldPackage)) { 24426 continue; 24427 } 24428 if (removedFromList == null) { 24429 removedFromList = new ArrayList<>(); 24430 } 24431 removedFromList.add(oldPackage); 24432 } 24433 } 24434 mKeepUninstalledPackages = new ArrayList<>(packageList); 24435 if (removedFromList != null) { 24436 final int removedCount = removedFromList.size(); 24437 for (int i = 0; i < removedCount; i++) { 24438 deletePackageIfUnusedLPr(removedFromList.get(i)); 24439 } 24440 } 24441 } 24442 } 24443 24444 @Override 24445 public boolean isPermissionsReviewRequired(String packageName, int userId) { 24446 synchronized (mPackages) { 24447 // If we do not support permission review, done. 24448 if (!mPermissionReviewRequired) { 24449 return false; 24450 } 24451 24452 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 24453 if (packageSetting == null) { 24454 return false; 24455 } 24456 24457 // Permission review applies only to apps not supporting the new permission model. 24458 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 24459 return false; 24460 } 24461 24462 // Legacy apps have the permission and get user consent on launch. 24463 PermissionsState permissionsState = packageSetting.getPermissionsState(); 24464 return permissionsState.isPermissionReviewRequired(userId); 24465 } 24466 } 24467 24468 @Override 24469 public PackageInfo getPackageInfo( 24470 String packageName, int flags, int filterCallingUid, int userId) { 24471 return PackageManagerService.this 24472 .getPackageInfoInternal(packageName, PackageManager.VERSION_CODE_HIGHEST, 24473 flags, filterCallingUid, userId); 24474 } 24475 24476 @Override 24477 public ApplicationInfo getApplicationInfo( 24478 String packageName, int flags, int filterCallingUid, int userId) { 24479 return PackageManagerService.this 24480 .getApplicationInfoInternal(packageName, flags, filterCallingUid, userId); 24481 } 24482 24483 @Override 24484 public ActivityInfo getActivityInfo( 24485 ComponentName component, int flags, int filterCallingUid, int userId) { 24486 return PackageManagerService.this 24487 .getActivityInfoInternal(component, flags, filterCallingUid, userId); 24488 } 24489 24490 @Override 24491 public List<ResolveInfo> queryIntentActivities( 24492 Intent intent, int flags, int filterCallingUid, int userId) { 24493 final String resolvedType = intent.resolveTypeIfNeeded(mContext.getContentResolver()); 24494 return PackageManagerService.this 24495 .queryIntentActivitiesInternal(intent, resolvedType, flags, filterCallingUid, 24496 userId, false /*resolveForStart*/); 24497 } 24498 24499 @Override 24500 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 24501 int userId) { 24502 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 24503 } 24504 24505 @Override 24506 public void setDeviceAndProfileOwnerPackages( 24507 int deviceOwnerUserId, String deviceOwnerPackage, 24508 SparseArray<String> profileOwnerPackages) { 24509 mProtectedPackages.setDeviceAndProfileOwnerPackages( 24510 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 24511 } 24512 24513 @Override 24514 public boolean isPackageDataProtected(int userId, String packageName) { 24515 return mProtectedPackages.isPackageDataProtected(userId, packageName); 24516 } 24517 24518 @Override 24519 public boolean isPackageEphemeral(int userId, String packageName) { 24520 synchronized (mPackages) { 24521 final PackageSetting ps = mSettings.mPackages.get(packageName); 24522 return ps != null ? ps.getInstantApp(userId) : false; 24523 } 24524 } 24525 24526 @Override 24527 public boolean wasPackageEverLaunched(String packageName, int userId) { 24528 synchronized (mPackages) { 24529 return mSettings.wasPackageEverLaunchedLPr(packageName, userId); 24530 } 24531 } 24532 24533 @Override 24534 public void grantRuntimePermission(String packageName, String name, int userId, 24535 boolean overridePolicy) { 24536 PackageManagerService.this.grantRuntimePermission(packageName, name, userId, 24537 overridePolicy); 24538 } 24539 24540 @Override 24541 public void revokeRuntimePermission(String packageName, String name, int userId, 24542 boolean overridePolicy) { 24543 PackageManagerService.this.revokeRuntimePermission(packageName, name, userId, 24544 overridePolicy); 24545 } 24546 24547 @Override 24548 public String getNameForUid(int uid) { 24549 return PackageManagerService.this.getNameForUid(uid); 24550 } 24551 24552 @Override 24553 public void requestInstantAppResolutionPhaseTwo(AuxiliaryResolveInfo responseObj, 24554 Intent origIntent, String resolvedType, String callingPackage, 24555 Bundle verificationBundle, int userId) { 24556 PackageManagerService.this.requestInstantAppResolutionPhaseTwo( 24557 responseObj, origIntent, resolvedType, callingPackage, verificationBundle, 24558 userId); 24559 } 24560 24561 @Override 24562 public void grantEphemeralAccess(int userId, Intent intent, 24563 int targetAppId, int ephemeralAppId) { 24564 synchronized (mPackages) { 24565 mInstantAppRegistry.grantInstantAccessLPw(userId, intent, 24566 targetAppId, ephemeralAppId); 24567 } 24568 } 24569 24570 @Override 24571 public boolean isInstantAppInstallerComponent(ComponentName component) { 24572 synchronized (mPackages) { 24573 return mInstantAppInstallerActivity != null 24574 && mInstantAppInstallerActivity.getComponentName().equals(component); 24575 } 24576 } 24577 24578 @Override 24579 public void pruneInstantApps() { 24580 mInstantAppRegistry.pruneInstantApps(); 24581 } 24582 24583 @Override 24584 public String getSetupWizardPackageName() { 24585 return mSetupWizardPackage; 24586 } 24587 24588 public void setExternalSourcesPolicy(ExternalSourcesPolicy policy) { 24589 if (policy != null) { 24590 mExternalSourcesPolicy = policy; 24591 } 24592 } 24593 24594 @Override 24595 public boolean isPackagePersistent(String packageName) { 24596 synchronized (mPackages) { 24597 PackageParser.Package pkg = mPackages.get(packageName); 24598 return pkg != null 24599 ? ((pkg.applicationInfo.flags&(ApplicationInfo.FLAG_SYSTEM 24600 | ApplicationInfo.FLAG_PERSISTENT)) == 24601 (ApplicationInfo.FLAG_SYSTEM | ApplicationInfo.FLAG_PERSISTENT)) 24602 : false; 24603 } 24604 } 24605 24606 @Override 24607 public List<PackageInfo> getOverlayPackages(int userId) { 24608 final ArrayList<PackageInfo> overlayPackages = new ArrayList<PackageInfo>(); 24609 synchronized (mPackages) { 24610 for (PackageParser.Package p : mPackages.values()) { 24611 if (p.mOverlayTarget != null) { 24612 PackageInfo pkg = generatePackageInfo((PackageSetting)p.mExtras, 0, userId); 24613 if (pkg != null) { 24614 overlayPackages.add(pkg); 24615 } 24616 } 24617 } 24618 } 24619 return overlayPackages; 24620 } 24621 24622 @Override 24623 public List<String> getTargetPackageNames(int userId) { 24624 List<String> targetPackages = new ArrayList<>(); 24625 synchronized (mPackages) { 24626 for (PackageParser.Package p : mPackages.values()) { 24627 if (p.mOverlayTarget == null) { 24628 targetPackages.add(p.packageName); 24629 } 24630 } 24631 } 24632 return targetPackages; 24633 } 24634 24635 @Override 24636 public boolean setEnabledOverlayPackages(int userId, @NonNull String targetPackageName, 24637 @Nullable List<String> overlayPackageNames) { 24638 synchronized (mPackages) { 24639 if (targetPackageName == null || mPackages.get(targetPackageName) == null) { 24640 Slog.e(TAG, "failed to find package " + targetPackageName); 24641 return false; 24642 } 24643 ArrayList<String> overlayPaths = null; 24644 if (overlayPackageNames != null && overlayPackageNames.size() > 0) { 24645 final int N = overlayPackageNames.size(); 24646 overlayPaths = new ArrayList<>(N); 24647 for (int i = 0; i < N; i++) { 24648 final String packageName = overlayPackageNames.get(i); 24649 final PackageParser.Package pkg = mPackages.get(packageName); 24650 if (pkg == null) { 24651 Slog.e(TAG, "failed to find package " + packageName); 24652 return false; 24653 } 24654 overlayPaths.add(pkg.baseCodePath); 24655 } 24656 } 24657 24658 final PackageSetting ps = mSettings.mPackages.get(targetPackageName); 24659 ps.setOverlayPaths(overlayPaths, userId); 24660 return true; 24661 } 24662 } 24663 24664 @Override 24665 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 24666 int flags, int userId) { 24667 return resolveIntentInternal( 24668 intent, resolvedType, flags, userId, true /*resolveForStart*/); 24669 } 24670 24671 @Override 24672 public ResolveInfo resolveService(Intent intent, String resolvedType, 24673 int flags, int userId, int callingUid) { 24674 return resolveServiceInternal(intent, resolvedType, flags, userId, callingUid); 24675 } 24676 24677 @Override 24678 public void addIsolatedUid(int isolatedUid, int ownerUid) { 24679 synchronized (mPackages) { 24680 mIsolatedOwners.put(isolatedUid, ownerUid); 24681 } 24682 } 24683 24684 @Override 24685 public void removeIsolatedUid(int isolatedUid) { 24686 synchronized (mPackages) { 24687 mIsolatedOwners.delete(isolatedUid); 24688 } 24689 } 24690 24691 @Override 24692 public int getUidTargetSdkVersion(int uid) { 24693 synchronized (mPackages) { 24694 return getUidTargetSdkVersionLockedLPr(uid); 24695 } 24696 } 24697 24698 @Override 24699 public boolean canAccessInstantApps(int callingUid, int userId) { 24700 return PackageManagerService.this.canViewInstantApps(callingUid, userId); 24701 } 24702 } 24703 24704 @Override 24705 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 24706 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 24707 synchronized (mPackages) { 24708 final long identity = Binder.clearCallingIdentity(); 24709 try { 24710 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 24711 packageNames, userId); 24712 } finally { 24713 Binder.restoreCallingIdentity(identity); 24714 } 24715 } 24716 } 24717 24718 @Override 24719 public void grantDefaultPermissionsToEnabledImsServices(String[] packageNames, int userId) { 24720 enforceSystemOrPhoneCaller("grantDefaultPermissionsToEnabledImsServices"); 24721 synchronized (mPackages) { 24722 final long identity = Binder.clearCallingIdentity(); 24723 try { 24724 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledImsServicesLPr( 24725 packageNames, userId); 24726 } finally { 24727 Binder.restoreCallingIdentity(identity); 24728 } 24729 } 24730 } 24731 24732 private static void enforceSystemOrPhoneCaller(String tag) { 24733 int callingUid = Binder.getCallingUid(); 24734 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 24735 throw new SecurityException( 24736 "Cannot call " + tag + " from UID " + callingUid); 24737 } 24738 } 24739 24740 boolean isHistoricalPackageUsageAvailable() { 24741 return mPackageUsage.isHistoricalPackageUsageAvailable(); 24742 } 24743 24744 /** 24745 * Return a <b>copy</b> of the collection of packages known to the package manager. 24746 * @return A copy of the values of mPackages. 24747 */ 24748 Collection<PackageParser.Package> getPackages() { 24749 synchronized (mPackages) { 24750 return new ArrayList<>(mPackages.values()); 24751 } 24752 } 24753 24754 /** 24755 * Logs process start information (including base APK hash) to the security log. 24756 * @hide 24757 */ 24758 @Override 24759 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 24760 String apkFile, int pid) { 24761 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 24762 return; 24763 } 24764 if (!SecurityLog.isLoggingEnabled()) { 24765 return; 24766 } 24767 Bundle data = new Bundle(); 24768 data.putLong("startTimestamp", System.currentTimeMillis()); 24769 data.putString("processName", processName); 24770 data.putInt("uid", uid); 24771 data.putString("seinfo", seinfo); 24772 data.putString("apkFile", apkFile); 24773 data.putInt("pid", pid); 24774 Message msg = mProcessLoggingHandler.obtainMessage( 24775 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 24776 msg.setData(data); 24777 mProcessLoggingHandler.sendMessage(msg); 24778 } 24779 24780 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 24781 return mCompilerStats.getPackageStats(pkgName); 24782 } 24783 24784 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 24785 return getOrCreateCompilerPackageStats(pkg.packageName); 24786 } 24787 24788 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 24789 return mCompilerStats.getOrCreatePackageStats(pkgName); 24790 } 24791 24792 public void deleteCompilerPackageStats(String pkgName) { 24793 mCompilerStats.deletePackageStats(pkgName); 24794 } 24795 24796 @Override 24797 public int getInstallReason(String packageName, int userId) { 24798 final int callingUid = Binder.getCallingUid(); 24799 enforceCrossUserPermission(callingUid, userId, 24800 true /* requireFullPermission */, false /* checkShell */, 24801 "get install reason"); 24802 synchronized (mPackages) { 24803 final PackageSetting ps = mSettings.mPackages.get(packageName); 24804 if (filterAppAccessLPr(ps, callingUid, userId)) { 24805 return PackageManager.INSTALL_REASON_UNKNOWN; 24806 } 24807 if (ps != null) { 24808 return ps.getInstallReason(userId); 24809 } 24810 } 24811 return PackageManager.INSTALL_REASON_UNKNOWN; 24812 } 24813 24814 @Override 24815 public boolean canRequestPackageInstalls(String packageName, int userId) { 24816 return canRequestPackageInstallsInternal(packageName, 0, userId, 24817 true /* throwIfPermNotDeclared*/); 24818 } 24819 24820 private boolean canRequestPackageInstallsInternal(String packageName, int flags, int userId, 24821 boolean throwIfPermNotDeclared) { 24822 int callingUid = Binder.getCallingUid(); 24823 int uid = getPackageUid(packageName, 0, userId); 24824 if (callingUid != uid && callingUid != Process.ROOT_UID 24825 && callingUid != Process.SYSTEM_UID) { 24826 throw new SecurityException( 24827 "Caller uid " + callingUid + " does not own package " + packageName); 24828 } 24829 ApplicationInfo info = getApplicationInfo(packageName, flags, userId); 24830 if (info == null) { 24831 return false; 24832 } 24833 if (info.targetSdkVersion < Build.VERSION_CODES.O) { 24834 return false; 24835 } 24836 String appOpPermission = Manifest.permission.REQUEST_INSTALL_PACKAGES; 24837 String[] packagesDeclaringPermission = getAppOpPermissionPackages(appOpPermission); 24838 if (!ArrayUtils.contains(packagesDeclaringPermission, packageName)) { 24839 if (throwIfPermNotDeclared) { 24840 throw new SecurityException("Need to declare " + appOpPermission 24841 + " to call this api"); 24842 } else { 24843 Slog.e(TAG, "Need to declare " + appOpPermission + " to call this api"); 24844 return false; 24845 } 24846 } 24847 if (sUserManager.hasUserRestriction(UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES, userId)) { 24848 return false; 24849 } 24850 if (mExternalSourcesPolicy != null) { 24851 int isTrusted = mExternalSourcesPolicy.getPackageTrustedToInstallApps(packageName, uid); 24852 if (isTrusted != PackageManagerInternal.ExternalSourcesPolicy.USER_DEFAULT) { 24853 return isTrusted == PackageManagerInternal.ExternalSourcesPolicy.USER_TRUSTED; 24854 } 24855 } 24856 return checkUidPermission(appOpPermission, uid) == PERMISSION_GRANTED; 24857 } 24858 24859 @Override 24860 public ComponentName getInstantAppResolverSettingsComponent() { 24861 return mInstantAppResolverSettingsComponent; 24862 } 24863 24864 @Override 24865 public ComponentName getInstantAppInstallerComponent() { 24866 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 24867 return null; 24868 } 24869 return mInstantAppInstallerActivity == null 24870 ? null : mInstantAppInstallerActivity.getComponentName(); 24871 } 24872 24873 @Override 24874 public String getInstantAppAndroidId(String packageName, int userId) { 24875 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.ACCESS_INSTANT_APPS, 24876 "getInstantAppAndroidId"); 24877 enforceCrossUserPermission(Binder.getCallingUid(), userId, 24878 true /* requireFullPermission */, false /* checkShell */, 24879 "getInstantAppAndroidId"); 24880 // Make sure the target is an Instant App. 24881 if (!isInstantApp(packageName, userId)) { 24882 return null; 24883 } 24884 synchronized (mPackages) { 24885 return mInstantAppRegistry.getInstantAppAndroidIdLPw(packageName, userId); 24886 } 24887 } 24888 24889 boolean canHaveOatDir(String packageName) { 24890 synchronized (mPackages) { 24891 PackageParser.Package p = mPackages.get(packageName); 24892 if (p == null) { 24893 return false; 24894 } 24895 return p.canHaveOatDir(); 24896 } 24897 } 24898 24899 private String getOatDir(PackageParser.Package pkg) { 24900 if (!pkg.canHaveOatDir()) { 24901 return null; 24902 } 24903 File codePath = new File(pkg.codePath); 24904 if (codePath.isDirectory()) { 24905 return PackageDexOptimizer.getOatDir(codePath).getAbsolutePath(); 24906 } 24907 return null; 24908 } 24909 24910 void deleteOatArtifactsOfPackage(String packageName) { 24911 final String[] instructionSets; 24912 final List<String> codePaths; 24913 final String oatDir; 24914 final PackageParser.Package pkg; 24915 synchronized (mPackages) { 24916 pkg = mPackages.get(packageName); 24917 } 24918 instructionSets = getAppDexInstructionSets(pkg.applicationInfo); 24919 codePaths = pkg.getAllCodePaths(); 24920 oatDir = getOatDir(pkg); 24921 24922 for (String codePath : codePaths) { 24923 for (String isa : instructionSets) { 24924 try { 24925 mInstaller.deleteOdex(codePath, isa, oatDir); 24926 } catch (InstallerException e) { 24927 Log.e(TAG, "Failed deleting oat files for " + codePath, e); 24928 } 24929 } 24930 } 24931 } 24932} 24933 24934interface PackageSender { 24935 void sendPackageBroadcast(final String action, final String pkg, 24936 final Bundle extras, final int flags, final String targetPkg, 24937 final IIntentReceiver finishedReceiver, final int[] userIds); 24938 void sendPackageAddedForNewUsers(String packageName, boolean isSystem, 24939 int appId, int... userIds); 24940} 24941