PackageManagerService.java revision 03f85fef7f80e2faa8ee8f452195d42158d3376e
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.READ_EXTERNAL_STORAGE; 22import static android.Manifest.permission.REQUEST_DELETE_PACKAGES; 23import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 24import static android.Manifest.permission.WRITE_MEDIA_STORAGE; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 27import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 28import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 29import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 30import static android.content.pm.PackageManager.DELETE_KEEP_DATA; 31import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 33import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 34import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 35import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 36import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 37import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 38import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 39import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 40import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 41import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 42import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 43import static android.content.pm.PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID; 44import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 45import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 46import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 47import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 48import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 49import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 50import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 51import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 52import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 53import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 54import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 55import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 56import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 57import static android.content.pm.PackageManager.INSTALL_INTERNAL; 58import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 60import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 61import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 62import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 63import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 64import static android.content.pm.PackageManager.MATCH_ALL; 65import static android.content.pm.PackageManager.MATCH_ANY_USER; 66import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 67import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_AWARE; 68import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE; 69import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 70import static android.content.pm.PackageManager.MATCH_FACTORY_ONLY; 71import static android.content.pm.PackageManager.MATCH_KNOWN_PACKAGES; 72import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 73import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 74import static android.content.pm.PackageManager.MOVE_FAILED_3RD_PARTY_NOT_ALLOWED_ON_INTERNAL; 75import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 76import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 77import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 78import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 79import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 80import static android.content.pm.PackageManager.PERMISSION_DENIED; 81import static android.content.pm.PackageManager.PERMISSION_GRANTED; 82import static android.content.pm.PackageParser.PARSE_IS_PRIVILEGED; 83import static android.content.pm.PackageParser.isApkFile; 84import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 85import static android.system.OsConstants.O_CREAT; 86import static android.system.OsConstants.O_RDWR; 87import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 88import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 89import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 90import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 91import static com.android.internal.util.ArrayUtils.appendInt; 92import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 93import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 94import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 95import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 96import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 97import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason; 98import static com.android.server.pm.PackageManagerServiceCompilerMapping.getDefaultCompilerFilter; 99import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 100import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 101import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 102import static dalvik.system.DexFile.getNonProfileGuidedCompilerFilter; 103 104import android.Manifest; 105import android.annotation.IntDef; 106import android.annotation.NonNull; 107import android.annotation.Nullable; 108import android.app.ActivityManager; 109import android.app.AppOpsManager; 110import android.app.IActivityManager; 111import android.app.ResourcesManager; 112import android.app.admin.IDevicePolicyManager; 113import android.app.admin.SecurityLog; 114import android.app.backup.IBackupManager; 115import android.content.BroadcastReceiver; 116import android.content.ComponentName; 117import android.content.ContentResolver; 118import android.content.Context; 119import android.content.IIntentReceiver; 120import android.content.Intent; 121import android.content.IntentFilter; 122import android.content.IntentSender; 123import android.content.IntentSender.SendIntentException; 124import android.content.ServiceConnection; 125import android.content.pm.ActivityInfo; 126import android.content.pm.ApplicationInfo; 127import android.content.pm.AppsQueryHelper; 128import android.content.pm.AuxiliaryResolveInfo; 129import android.content.pm.ChangedPackages; 130import android.content.pm.FallbackCategoryProvider; 131import android.content.pm.FeatureInfo; 132import android.content.pm.IOnPermissionsChangeListener; 133import android.content.pm.IPackageDataObserver; 134import android.content.pm.IPackageDeleteObserver; 135import android.content.pm.IPackageDeleteObserver2; 136import android.content.pm.IPackageInstallObserver2; 137import android.content.pm.IPackageInstaller; 138import android.content.pm.IPackageManager; 139import android.content.pm.IPackageMoveObserver; 140import android.content.pm.IPackageStatsObserver; 141import android.content.pm.InstantAppInfo; 142import android.content.pm.InstantAppRequest; 143import android.content.pm.InstantAppResolveInfo; 144import android.content.pm.InstrumentationInfo; 145import android.content.pm.IntentFilterVerificationInfo; 146import android.content.pm.KeySet; 147import android.content.pm.PackageCleanItem; 148import android.content.pm.PackageInfo; 149import android.content.pm.PackageInfoLite; 150import android.content.pm.PackageInstaller; 151import android.content.pm.PackageManager; 152import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 153import android.content.pm.PackageManagerInternal; 154import android.content.pm.PackageParser; 155import android.content.pm.PackageParser.ActivityIntentInfo; 156import android.content.pm.PackageParser.PackageLite; 157import android.content.pm.PackageParser.PackageParserException; 158import android.content.pm.PackageStats; 159import android.content.pm.PackageUserState; 160import android.content.pm.ParceledListSlice; 161import android.content.pm.PermissionGroupInfo; 162import android.content.pm.PermissionInfo; 163import android.content.pm.ProviderInfo; 164import android.content.pm.ResolveInfo; 165import android.content.pm.ServiceInfo; 166import android.content.pm.SharedLibraryInfo; 167import android.content.pm.Signature; 168import android.content.pm.UserInfo; 169import android.content.pm.VerifierDeviceIdentity; 170import android.content.pm.VerifierInfo; 171import android.content.pm.VersionedPackage; 172import android.content.res.Resources; 173import android.database.ContentObserver; 174import android.graphics.Bitmap; 175import android.hardware.display.DisplayManager; 176import android.net.Uri; 177import android.os.Binder; 178import android.os.Build; 179import android.os.Bundle; 180import android.os.Debug; 181import android.os.Environment; 182import android.os.Environment.UserEnvironment; 183import android.os.FileUtils; 184import android.os.Handler; 185import android.os.IBinder; 186import android.os.Looper; 187import android.os.Message; 188import android.os.Parcel; 189import android.os.ParcelFileDescriptor; 190import android.os.PatternMatcher; 191import android.os.Process; 192import android.os.RemoteCallbackList; 193import android.os.RemoteException; 194import android.os.ResultReceiver; 195import android.os.SELinux; 196import android.os.ServiceManager; 197import android.os.ShellCallback; 198import android.os.SystemClock; 199import android.os.SystemProperties; 200import android.os.Trace; 201import android.os.UserHandle; 202import android.os.UserManager; 203import android.os.UserManagerInternal; 204import android.os.storage.IStorageManager; 205import android.os.storage.StorageEventListener; 206import android.os.storage.StorageManager; 207import android.os.storage.StorageManagerInternal; 208import android.os.storage.VolumeInfo; 209import android.os.storage.VolumeRecord; 210import android.provider.Settings.Global; 211import android.provider.Settings.Secure; 212import android.security.KeyStore; 213import android.security.SystemKeyStore; 214import android.service.pm.PackageServiceDumpProto; 215import android.system.ErrnoException; 216import android.system.Os; 217import android.text.TextUtils; 218import android.text.format.DateUtils; 219import android.util.ArrayMap; 220import android.util.ArraySet; 221import android.util.Base64; 222import android.util.BootTimingsTraceLog; 223import android.util.DisplayMetrics; 224import android.util.EventLog; 225import android.util.ExceptionUtils; 226import android.util.Log; 227import android.util.LogPrinter; 228import android.util.MathUtils; 229import android.util.PackageUtils; 230import android.util.Pair; 231import android.util.PrintStreamPrinter; 232import android.util.Slog; 233import android.util.SparseArray; 234import android.util.SparseBooleanArray; 235import android.util.SparseIntArray; 236import android.util.Xml; 237import android.util.jar.StrictJarFile; 238import android.util.proto.ProtoOutputStream; 239import android.view.Display; 240 241import com.android.internal.R; 242import com.android.internal.annotations.GuardedBy; 243import com.android.internal.app.IMediaContainerService; 244import com.android.internal.app.ResolverActivity; 245import com.android.internal.content.NativeLibraryHelper; 246import com.android.internal.content.PackageHelper; 247import com.android.internal.logging.MetricsLogger; 248import com.android.internal.logging.nano.MetricsProto.MetricsEvent; 249import com.android.internal.os.IParcelFileDescriptorFactory; 250import com.android.internal.os.RoSystemProperties; 251import com.android.internal.os.SomeArgs; 252import com.android.internal.os.Zygote; 253import com.android.internal.telephony.CarrierAppUtils; 254import com.android.internal.util.ArrayUtils; 255import com.android.internal.util.ConcurrentUtils; 256import com.android.internal.util.DumpUtils; 257import com.android.internal.util.FastPrintWriter; 258import com.android.internal.util.FastXmlSerializer; 259import com.android.internal.util.IndentingPrintWriter; 260import com.android.internal.util.Preconditions; 261import com.android.internal.util.XmlUtils; 262import com.android.server.AttributeCache; 263import com.android.server.DeviceIdleController; 264import com.android.server.EventLogTags; 265import com.android.server.FgThread; 266import com.android.server.IntentResolver; 267import com.android.server.LocalServices; 268import com.android.server.LockGuard; 269import com.android.server.ServiceThread; 270import com.android.server.SystemConfig; 271import com.android.server.SystemServerInitThreadPool; 272import com.android.server.Watchdog; 273import com.android.server.net.NetworkPolicyManagerInternal; 274import com.android.server.pm.Installer.InstallerException; 275import com.android.server.pm.PermissionsState.PermissionState; 276import com.android.server.pm.Settings.DatabaseVersion; 277import com.android.server.pm.Settings.VersionInfo; 278import com.android.server.pm.dex.DexManager; 279import com.android.server.storage.DeviceStorageMonitorInternal; 280 281import dalvik.system.CloseGuard; 282import dalvik.system.DexFile; 283import dalvik.system.VMRuntime; 284 285import libcore.io.IoUtils; 286import libcore.util.EmptyArray; 287 288import org.xmlpull.v1.XmlPullParser; 289import org.xmlpull.v1.XmlPullParserException; 290import org.xmlpull.v1.XmlSerializer; 291 292import java.io.BufferedOutputStream; 293import java.io.BufferedReader; 294import java.io.ByteArrayInputStream; 295import java.io.ByteArrayOutputStream; 296import java.io.File; 297import java.io.FileDescriptor; 298import java.io.FileInputStream; 299import java.io.FileOutputStream; 300import java.io.FileReader; 301import java.io.FilenameFilter; 302import java.io.IOException; 303import java.io.PrintWriter; 304import java.lang.annotation.Retention; 305import java.lang.annotation.RetentionPolicy; 306import java.nio.charset.StandardCharsets; 307import java.security.DigestInputStream; 308import java.security.MessageDigest; 309import java.security.NoSuchAlgorithmException; 310import java.security.PublicKey; 311import java.security.SecureRandom; 312import java.security.cert.Certificate; 313import java.security.cert.CertificateEncodingException; 314import java.security.cert.CertificateException; 315import java.text.SimpleDateFormat; 316import java.util.ArrayList; 317import java.util.Arrays; 318import java.util.Collection; 319import java.util.Collections; 320import java.util.Comparator; 321import java.util.Date; 322import java.util.HashMap; 323import java.util.HashSet; 324import java.util.Iterator; 325import java.util.List; 326import java.util.Map; 327import java.util.Objects; 328import java.util.Set; 329import java.util.concurrent.CountDownLatch; 330import java.util.concurrent.Future; 331import java.util.concurrent.TimeUnit; 332import java.util.concurrent.atomic.AtomicBoolean; 333import java.util.concurrent.atomic.AtomicInteger; 334 335/** 336 * Keep track of all those APKs everywhere. 337 * <p> 338 * Internally there are two important locks: 339 * <ul> 340 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 341 * and other related state. It is a fine-grained lock that should only be held 342 * momentarily, as it's one of the most contended locks in the system. 343 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 344 * operations typically involve heavy lifting of application data on disk. Since 345 * {@code installd} is single-threaded, and it's operations can often be slow, 346 * this lock should never be acquired while already holding {@link #mPackages}. 347 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 348 * holding {@link #mInstallLock}. 349 * </ul> 350 * Many internal methods rely on the caller to hold the appropriate locks, and 351 * this contract is expressed through method name suffixes: 352 * <ul> 353 * <li>fooLI(): the caller must hold {@link #mInstallLock} 354 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 355 * being modified must be frozen 356 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 357 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 358 * </ul> 359 * <p> 360 * Because this class is very central to the platform's security; please run all 361 * CTS and unit tests whenever making modifications: 362 * 363 * <pre> 364 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 365 * $ cts-tradefed run commandAndExit cts -m CtsAppSecurityHostTestCases 366 * </pre> 367 */ 368public class PackageManagerService extends IPackageManager.Stub 369 implements PackageSender { 370 static final String TAG = "PackageManager"; 371 static final boolean DEBUG_SETTINGS = false; 372 static final boolean DEBUG_PREFERRED = false; 373 static final boolean DEBUG_UPGRADE = false; 374 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 375 private static final boolean DEBUG_BACKUP = false; 376 private static final boolean DEBUG_INSTALL = false; 377 private static final boolean DEBUG_REMOVE = false; 378 private static final boolean DEBUG_BROADCASTS = false; 379 private static final boolean DEBUG_SHOW_INFO = false; 380 private static final boolean DEBUG_PACKAGE_INFO = false; 381 private static final boolean DEBUG_INTENT_MATCHING = false; 382 private static final boolean DEBUG_PACKAGE_SCANNING = false; 383 private static final boolean DEBUG_VERIFY = false; 384 private static final boolean DEBUG_FILTERS = false; 385 private static final boolean DEBUG_PERMISSIONS = false; 386 private static final boolean DEBUG_SHARED_LIBRARIES = false; 387 388 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 389 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 390 // user, but by default initialize to this. 391 public static final boolean DEBUG_DEXOPT = false; 392 393 private static final boolean DEBUG_ABI_SELECTION = false; 394 private static final boolean DEBUG_EPHEMERAL = Build.IS_DEBUGGABLE; 395 private static final boolean DEBUG_TRIAGED_MISSING = false; 396 private static final boolean DEBUG_APP_DATA = false; 397 398 /** REMOVE. According to Svet, this was only used to reset permissions during development. */ 399 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 400 401 private static final boolean HIDE_EPHEMERAL_APIS = false; 402 403 private static final boolean ENABLE_FREE_CACHE_V2 = 404 SystemProperties.getBoolean("fw.free_cache_v2", true); 405 406 private static final int RADIO_UID = Process.PHONE_UID; 407 private static final int LOG_UID = Process.LOG_UID; 408 private static final int NFC_UID = Process.NFC_UID; 409 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 410 private static final int SHELL_UID = Process.SHELL_UID; 411 412 // Cap the size of permission trees that 3rd party apps can define 413 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 414 415 // Suffix used during package installation when copying/moving 416 // package apks to install directory. 417 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 418 419 static final int SCAN_NO_DEX = 1<<1; 420 static final int SCAN_FORCE_DEX = 1<<2; 421 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 422 static final int SCAN_NEW_INSTALL = 1<<4; 423 static final int SCAN_UPDATE_TIME = 1<<5; 424 static final int SCAN_BOOTING = 1<<6; 425 static final int SCAN_TRUSTED_OVERLAY = 1<<7; 426 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<8; 427 static final int SCAN_REPLACING = 1<<9; 428 static final int SCAN_REQUIRE_KNOWN = 1<<10; 429 static final int SCAN_MOVE = 1<<11; 430 static final int SCAN_INITIAL = 1<<12; 431 static final int SCAN_CHECK_ONLY = 1<<13; 432 static final int SCAN_DONT_KILL_APP = 1<<14; 433 static final int SCAN_IGNORE_FROZEN = 1<<15; 434 static final int SCAN_FIRST_BOOT_OR_UPGRADE = 1<<16; 435 static final int SCAN_AS_INSTANT_APP = 1<<17; 436 static final int SCAN_AS_FULL_APP = 1<<18; 437 /** Should not be with the scan flags */ 438 static final int FLAGS_REMOVE_CHATTY = 1<<31; 439 440 private static final String STATIC_SHARED_LIB_DELIMITER = "_"; 441 442 private static final int[] EMPTY_INT_ARRAY = new int[0]; 443 444 private static final int TYPE_UNKNOWN = 0; 445 private static final int TYPE_ACTIVITY = 1; 446 private static final int TYPE_RECEIVER = 2; 447 private static final int TYPE_SERVICE = 3; 448 private static final int TYPE_PROVIDER = 4; 449 @IntDef(prefix = { "TYPE_" }, value = { 450 TYPE_UNKNOWN, 451 TYPE_ACTIVITY, 452 TYPE_RECEIVER, 453 TYPE_SERVICE, 454 TYPE_PROVIDER, 455 }) 456 @Retention(RetentionPolicy.SOURCE) 457 public @interface ComponentType {} 458 459 /** 460 * Timeout (in milliseconds) after which the watchdog should declare that 461 * our handler thread is wedged. The usual default for such things is one 462 * minute but we sometimes do very lengthy I/O operations on this thread, 463 * such as installing multi-gigabyte applications, so ours needs to be longer. 464 */ 465 static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 466 467 /** 468 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 469 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 470 * settings entry if available, otherwise we use the hardcoded default. If it's been 471 * more than this long since the last fstrim, we force one during the boot sequence. 472 * 473 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 474 * one gets run at the next available charging+idle time. This final mandatory 475 * no-fstrim check kicks in only of the other scheduling criteria is never met. 476 */ 477 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 478 479 /** 480 * Whether verification is enabled by default. 481 */ 482 private static final boolean DEFAULT_VERIFY_ENABLE = true; 483 484 /** 485 * The default maximum time to wait for the verification agent to return in 486 * milliseconds. 487 */ 488 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 489 490 /** 491 * The default response for package verification timeout. 492 * 493 * This can be either PackageManager.VERIFICATION_ALLOW or 494 * PackageManager.VERIFICATION_REJECT. 495 */ 496 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 497 498 static final String PLATFORM_PACKAGE_NAME = "android"; 499 500 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 501 502 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 503 DEFAULT_CONTAINER_PACKAGE, 504 "com.android.defcontainer.DefaultContainerService"); 505 506 private static final String KILL_APP_REASON_GIDS_CHANGED = 507 "permission grant or revoke changed gids"; 508 509 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 510 "permissions revoked"; 511 512 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 513 514 private static final String PACKAGE_SCHEME = "package"; 515 516 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 517 518 /** Permission grant: not grant the permission. */ 519 private static final int GRANT_DENIED = 1; 520 521 /** Permission grant: grant the permission as an install permission. */ 522 private static final int GRANT_INSTALL = 2; 523 524 /** Permission grant: grant the permission as a runtime one. */ 525 private static final int GRANT_RUNTIME = 3; 526 527 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 528 private static final int GRANT_UPGRADE = 4; 529 530 /** Canonical intent used to identify what counts as a "web browser" app */ 531 private static final Intent sBrowserIntent; 532 static { 533 sBrowserIntent = new Intent(); 534 sBrowserIntent.setAction(Intent.ACTION_VIEW); 535 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 536 sBrowserIntent.setData(Uri.parse("http:")); 537 } 538 539 /** 540 * The set of all protected actions [i.e. those actions for which a high priority 541 * intent filter is disallowed]. 542 */ 543 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 544 static { 545 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 546 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 547 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 548 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 549 } 550 551 // Compilation reasons. 552 public static final int REASON_FIRST_BOOT = 0; 553 public static final int REASON_BOOT = 1; 554 public static final int REASON_INSTALL = 2; 555 public static final int REASON_BACKGROUND_DEXOPT = 3; 556 public static final int REASON_AB_OTA = 4; 557 558 public static final int REASON_LAST = REASON_AB_OTA; 559 560 /** All dangerous permission names in the same order as the events in MetricsEvent */ 561 private static final List<String> ALL_DANGEROUS_PERMISSIONS = Arrays.asList( 562 Manifest.permission.READ_CALENDAR, 563 Manifest.permission.WRITE_CALENDAR, 564 Manifest.permission.CAMERA, 565 Manifest.permission.READ_CONTACTS, 566 Manifest.permission.WRITE_CONTACTS, 567 Manifest.permission.GET_ACCOUNTS, 568 Manifest.permission.ACCESS_FINE_LOCATION, 569 Manifest.permission.ACCESS_COARSE_LOCATION, 570 Manifest.permission.RECORD_AUDIO, 571 Manifest.permission.READ_PHONE_STATE, 572 Manifest.permission.CALL_PHONE, 573 Manifest.permission.READ_CALL_LOG, 574 Manifest.permission.WRITE_CALL_LOG, 575 Manifest.permission.ADD_VOICEMAIL, 576 Manifest.permission.USE_SIP, 577 Manifest.permission.PROCESS_OUTGOING_CALLS, 578 Manifest.permission.READ_CELL_BROADCASTS, 579 Manifest.permission.BODY_SENSORS, 580 Manifest.permission.SEND_SMS, 581 Manifest.permission.RECEIVE_SMS, 582 Manifest.permission.READ_SMS, 583 Manifest.permission.RECEIVE_WAP_PUSH, 584 Manifest.permission.RECEIVE_MMS, 585 Manifest.permission.READ_EXTERNAL_STORAGE, 586 Manifest.permission.WRITE_EXTERNAL_STORAGE, 587 Manifest.permission.READ_PHONE_NUMBERS, 588 Manifest.permission.ANSWER_PHONE_CALLS); 589 590 591 /** 592 * Version number for the package parser cache. Increment this whenever the format or 593 * extent of cached data changes. See {@code PackageParser#setCacheDir}. 594 */ 595 private static final String PACKAGE_PARSER_CACHE_VERSION = "1"; 596 597 /** 598 * Whether the package parser cache is enabled. 599 */ 600 private static final boolean DEFAULT_PACKAGE_PARSER_CACHE_ENABLED = true; 601 602 final ServiceThread mHandlerThread; 603 604 final PackageHandler mHandler; 605 606 private final ProcessLoggingHandler mProcessLoggingHandler; 607 608 /** 609 * Messages for {@link #mHandler} that need to wait for system ready before 610 * being dispatched. 611 */ 612 private ArrayList<Message> mPostSystemReadyMessages; 613 614 final int mSdkVersion = Build.VERSION.SDK_INT; 615 616 final Context mContext; 617 final boolean mFactoryTest; 618 final boolean mOnlyCore; 619 final DisplayMetrics mMetrics; 620 final int mDefParseFlags; 621 final String[] mSeparateProcesses; 622 final boolean mIsUpgrade; 623 final boolean mIsPreNUpgrade; 624 final boolean mIsPreNMR1Upgrade; 625 626 // Have we told the Activity Manager to whitelist the default container service by uid yet? 627 @GuardedBy("mPackages") 628 boolean mDefaultContainerWhitelisted = false; 629 630 @GuardedBy("mPackages") 631 private boolean mDexOptDialogShown; 632 633 /** The location for ASEC container files on internal storage. */ 634 final String mAsecInternalPath; 635 636 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 637 // LOCK HELD. Can be called with mInstallLock held. 638 @GuardedBy("mInstallLock") 639 final Installer mInstaller; 640 641 /** Directory where installed third-party apps stored */ 642 final File mAppInstallDir; 643 644 /** 645 * Directory to which applications installed internally have their 646 * 32 bit native libraries copied. 647 */ 648 private File mAppLib32InstallDir; 649 650 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 651 // apps. 652 final File mDrmAppPrivateInstallDir; 653 654 // ---------------------------------------------------------------- 655 656 // Lock for state used when installing and doing other long running 657 // operations. Methods that must be called with this lock held have 658 // the suffix "LI". 659 final Object mInstallLock = new Object(); 660 661 // ---------------------------------------------------------------- 662 663 // Keys are String (package name), values are Package. This also serves 664 // as the lock for the global state. Methods that must be called with 665 // this lock held have the prefix "LP". 666 @GuardedBy("mPackages") 667 final ArrayMap<String, PackageParser.Package> mPackages = 668 new ArrayMap<String, PackageParser.Package>(); 669 670 final ArrayMap<String, Set<String>> mKnownCodebase = 671 new ArrayMap<String, Set<String>>(); 672 673 // Keys are isolated uids and values are the uid of the application 674 // that created the isolated proccess. 675 @GuardedBy("mPackages") 676 final SparseIntArray mIsolatedOwners = new SparseIntArray(); 677 678 // List of APK paths to load for each user and package. This data is never 679 // persisted by the package manager. Instead, the overlay manager will 680 // ensure the data is up-to-date in runtime. 681 @GuardedBy("mPackages") 682 final SparseArray<ArrayMap<String, ArrayList<String>>> mEnabledOverlayPaths = 683 new SparseArray<ArrayMap<String, ArrayList<String>>>(); 684 685 /** 686 * Tracks new system packages [received in an OTA] that we expect to 687 * find updated user-installed versions. Keys are package name, values 688 * are package location. 689 */ 690 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 691 /** 692 * Tracks high priority intent filters for protected actions. During boot, certain 693 * filter actions are protected and should never be allowed to have a high priority 694 * intent filter for them. However, there is one, and only one exception -- the 695 * setup wizard. It must be able to define a high priority intent filter for these 696 * actions to ensure there are no escapes from the wizard. We need to delay processing 697 * of these during boot as we need to look at all of the system packages in order 698 * to know which component is the setup wizard. 699 */ 700 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 701 /** 702 * Whether or not processing protected filters should be deferred. 703 */ 704 private boolean mDeferProtectedFilters = true; 705 706 /** 707 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 708 */ 709 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 710 /** 711 * Whether or not system app permissions should be promoted from install to runtime. 712 */ 713 boolean mPromoteSystemApps; 714 715 @GuardedBy("mPackages") 716 final Settings mSettings; 717 718 /** 719 * Set of package names that are currently "frozen", which means active 720 * surgery is being done on the code/data for that package. The platform 721 * will refuse to launch frozen packages to avoid race conditions. 722 * 723 * @see PackageFreezer 724 */ 725 @GuardedBy("mPackages") 726 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 727 728 final ProtectedPackages mProtectedPackages; 729 730 boolean mFirstBoot; 731 732 PackageManagerInternal.ExternalSourcesPolicy mExternalSourcesPolicy; 733 734 // System configuration read by SystemConfig. 735 final int[] mGlobalGids; 736 final SparseArray<ArraySet<String>> mSystemPermissions; 737 @GuardedBy("mAvailableFeatures") 738 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 739 740 // If mac_permissions.xml was found for seinfo labeling. 741 boolean mFoundPolicyFile; 742 743 private final InstantAppRegistry mInstantAppRegistry; 744 745 @GuardedBy("mPackages") 746 int mChangedPackagesSequenceNumber; 747 /** 748 * List of changed [installed, removed or updated] packages. 749 * mapping from user id -> sequence number -> package name 750 */ 751 @GuardedBy("mPackages") 752 final SparseArray<SparseArray<String>> mChangedPackages = new SparseArray<>(); 753 /** 754 * The sequence number of the last change to a package. 755 * mapping from user id -> package name -> sequence number 756 */ 757 @GuardedBy("mPackages") 758 final SparseArray<Map<String, Integer>> mChangedPackagesSequenceNumbers = new SparseArray<>(); 759 760 class PackageParserCallback implements PackageParser.Callback { 761 @Override public final boolean hasFeature(String feature) { 762 return PackageManagerService.this.hasSystemFeature(feature, 0); 763 } 764 765 final List<PackageParser.Package> getStaticOverlayPackagesLocked( 766 Collection<PackageParser.Package> allPackages, String targetPackageName) { 767 List<PackageParser.Package> overlayPackages = null; 768 for (PackageParser.Package p : allPackages) { 769 if (targetPackageName.equals(p.mOverlayTarget) && p.mIsStaticOverlay) { 770 if (overlayPackages == null) { 771 overlayPackages = new ArrayList<PackageParser.Package>(); 772 } 773 overlayPackages.add(p); 774 } 775 } 776 if (overlayPackages != null) { 777 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 778 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 779 return p1.mOverlayPriority - p2.mOverlayPriority; 780 } 781 }; 782 Collections.sort(overlayPackages, cmp); 783 } 784 return overlayPackages; 785 } 786 787 final String[] getStaticOverlayPathsLocked(Collection<PackageParser.Package> allPackages, 788 String targetPackageName, String targetPath) { 789 if ("android".equals(targetPackageName)) { 790 // Static RROs targeting to "android", ie framework-res.apk, are already applied by 791 // native AssetManager. 792 return null; 793 } 794 List<PackageParser.Package> overlayPackages = 795 getStaticOverlayPackagesLocked(allPackages, targetPackageName); 796 if (overlayPackages == null || overlayPackages.isEmpty()) { 797 return null; 798 } 799 List<String> overlayPathList = null; 800 for (PackageParser.Package overlayPackage : overlayPackages) { 801 if (targetPath == null) { 802 if (overlayPathList == null) { 803 overlayPathList = new ArrayList<String>(); 804 } 805 overlayPathList.add(overlayPackage.baseCodePath); 806 continue; 807 } 808 809 try { 810 // Creates idmaps for system to parse correctly the Android manifest of the 811 // target package. 812 // 813 // OverlayManagerService will update each of them with a correct gid from its 814 // target package app id. 815 mInstaller.idmap(targetPath, overlayPackage.baseCodePath, 816 UserHandle.getSharedAppGid( 817 UserHandle.getUserGid(UserHandle.USER_SYSTEM))); 818 if (overlayPathList == null) { 819 overlayPathList = new ArrayList<String>(); 820 } 821 overlayPathList.add(overlayPackage.baseCodePath); 822 } catch (InstallerException e) { 823 Slog.e(TAG, "Failed to generate idmap for " + targetPath + " and " + 824 overlayPackage.baseCodePath); 825 } 826 } 827 return overlayPathList == null ? null : overlayPathList.toArray(new String[0]); 828 } 829 830 String[] getStaticOverlayPaths(String targetPackageName, String targetPath) { 831 synchronized (mPackages) { 832 return getStaticOverlayPathsLocked( 833 mPackages.values(), targetPackageName, targetPath); 834 } 835 } 836 837 @Override public final String[] getOverlayApks(String targetPackageName) { 838 return getStaticOverlayPaths(targetPackageName, null); 839 } 840 841 @Override public final String[] getOverlayPaths(String targetPackageName, 842 String targetPath) { 843 return getStaticOverlayPaths(targetPackageName, targetPath); 844 } 845 }; 846 847 class ParallelPackageParserCallback extends PackageParserCallback { 848 List<PackageParser.Package> mOverlayPackages = null; 849 850 void findStaticOverlayPackages() { 851 synchronized (mPackages) { 852 for (PackageParser.Package p : mPackages.values()) { 853 if (p.mIsStaticOverlay) { 854 if (mOverlayPackages == null) { 855 mOverlayPackages = new ArrayList<PackageParser.Package>(); 856 } 857 mOverlayPackages.add(p); 858 } 859 } 860 } 861 } 862 863 @Override 864 synchronized String[] getStaticOverlayPaths(String targetPackageName, String targetPath) { 865 // We can trust mOverlayPackages without holding mPackages because package uninstall 866 // can't happen while running parallel parsing. 867 // Moreover holding mPackages on each parsing thread causes dead-lock. 868 return mOverlayPackages == null ? null : 869 getStaticOverlayPathsLocked(mOverlayPackages, targetPackageName, targetPath); 870 } 871 } 872 873 final PackageParser.Callback mPackageParserCallback = new PackageParserCallback(); 874 final ParallelPackageParserCallback mParallelPackageParserCallback = 875 new ParallelPackageParserCallback(); 876 877 public static final class SharedLibraryEntry { 878 public final String path; 879 public final String apk; 880 public final SharedLibraryInfo info; 881 882 SharedLibraryEntry(String _path, String _apk, String name, int version, int type, 883 String declaringPackageName, int declaringPackageVersionCode) { 884 path = _path; 885 apk = _apk; 886 info = new SharedLibraryInfo(name, version, type, new VersionedPackage( 887 declaringPackageName, declaringPackageVersionCode), null); 888 } 889 } 890 891 // Currently known shared libraries. 892 final ArrayMap<String, SparseArray<SharedLibraryEntry>> mSharedLibraries = new ArrayMap<>(); 893 final ArrayMap<String, SparseArray<SharedLibraryEntry>> mStaticLibsByDeclaringPackage = 894 new ArrayMap<>(); 895 896 // All available activities, for your resolving pleasure. 897 final ActivityIntentResolver mActivities = 898 new ActivityIntentResolver(); 899 900 // All available receivers, for your resolving pleasure. 901 final ActivityIntentResolver mReceivers = 902 new ActivityIntentResolver(); 903 904 // All available services, for your resolving pleasure. 905 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 906 907 // All available providers, for your resolving pleasure. 908 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 909 910 // Mapping from provider base names (first directory in content URI codePath) 911 // to the provider information. 912 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 913 new ArrayMap<String, PackageParser.Provider>(); 914 915 // Mapping from instrumentation class names to info about them. 916 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 917 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 918 919 // Mapping from permission names to info about them. 920 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 921 new ArrayMap<String, PackageParser.PermissionGroup>(); 922 923 // Packages whose data we have transfered into another package, thus 924 // should no longer exist. 925 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 926 927 // Broadcast actions that are only available to the system. 928 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 929 930 /** List of packages waiting for verification. */ 931 final SparseArray<PackageVerificationState> mPendingVerification 932 = new SparseArray<PackageVerificationState>(); 933 934 /** Set of packages associated with each app op permission. */ 935 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 936 937 final PackageInstallerService mInstallerService; 938 939 private final PackageDexOptimizer mPackageDexOptimizer; 940 // DexManager handles the usage of dex files (e.g. secondary files, whether or not a package 941 // is used by other apps). 942 private final DexManager mDexManager; 943 944 private AtomicInteger mNextMoveId = new AtomicInteger(); 945 private final MoveCallbacks mMoveCallbacks; 946 947 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 948 949 // Cache of users who need badging. 950 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 951 952 /** Token for keys in mPendingVerification. */ 953 private int mPendingVerificationToken = 0; 954 955 volatile boolean mSystemReady; 956 volatile boolean mSafeMode; 957 volatile boolean mHasSystemUidErrors; 958 private volatile boolean mEphemeralAppsDisabled; 959 960 ApplicationInfo mAndroidApplication; 961 final ActivityInfo mResolveActivity = new ActivityInfo(); 962 final ResolveInfo mResolveInfo = new ResolveInfo(); 963 ComponentName mResolveComponentName; 964 PackageParser.Package mPlatformPackage; 965 ComponentName mCustomResolverComponentName; 966 967 boolean mResolverReplaced = false; 968 969 private final @Nullable ComponentName mIntentFilterVerifierComponent; 970 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 971 972 private int mIntentFilterVerificationToken = 0; 973 974 /** The service connection to the ephemeral resolver */ 975 final EphemeralResolverConnection mInstantAppResolverConnection; 976 /** Component used to show resolver settings for Instant Apps */ 977 final ComponentName mInstantAppResolverSettingsComponent; 978 979 /** Activity used to install instant applications */ 980 ActivityInfo mInstantAppInstallerActivity; 981 final ResolveInfo mInstantAppInstallerInfo = new ResolveInfo(); 982 983 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 984 = new SparseArray<IntentFilterVerificationState>(); 985 986 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy; 987 988 // List of packages names to keep cached, even if they are uninstalled for all users 989 private List<String> mKeepUninstalledPackages; 990 991 private UserManagerInternal mUserManagerInternal; 992 993 private DeviceIdleController.LocalService mDeviceIdleController; 994 995 private File mCacheDir; 996 997 private ArraySet<String> mPrivappPermissionsViolations; 998 999 private Future<?> mPrepareAppDataFuture; 1000 1001 private static class IFVerificationParams { 1002 PackageParser.Package pkg; 1003 boolean replacing; 1004 int userId; 1005 int verifierUid; 1006 1007 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 1008 int _userId, int _verifierUid) { 1009 pkg = _pkg; 1010 replacing = _replacing; 1011 userId = _userId; 1012 replacing = _replacing; 1013 verifierUid = _verifierUid; 1014 } 1015 } 1016 1017 private interface IntentFilterVerifier<T extends IntentFilter> { 1018 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 1019 T filter, String packageName); 1020 void startVerifications(int userId); 1021 void receiveVerificationResponse(int verificationId); 1022 } 1023 1024 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 1025 private Context mContext; 1026 private ComponentName mIntentFilterVerifierComponent; 1027 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 1028 1029 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 1030 mContext = context; 1031 mIntentFilterVerifierComponent = verifierComponent; 1032 } 1033 1034 private String getDefaultScheme() { 1035 return IntentFilter.SCHEME_HTTPS; 1036 } 1037 1038 @Override 1039 public void startVerifications(int userId) { 1040 // Launch verifications requests 1041 int count = mCurrentIntentFilterVerifications.size(); 1042 for (int n=0; n<count; n++) { 1043 int verificationId = mCurrentIntentFilterVerifications.get(n); 1044 final IntentFilterVerificationState ivs = 1045 mIntentFilterVerificationStates.get(verificationId); 1046 1047 String packageName = ivs.getPackageName(); 1048 1049 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 1050 final int filterCount = filters.size(); 1051 ArraySet<String> domainsSet = new ArraySet<>(); 1052 for (int m=0; m<filterCount; m++) { 1053 PackageParser.ActivityIntentInfo filter = filters.get(m); 1054 domainsSet.addAll(filter.getHostsList()); 1055 } 1056 synchronized (mPackages) { 1057 if (mSettings.createIntentFilterVerificationIfNeededLPw( 1058 packageName, domainsSet) != null) { 1059 scheduleWriteSettingsLocked(); 1060 } 1061 } 1062 sendVerificationRequest(userId, verificationId, ivs); 1063 } 1064 mCurrentIntentFilterVerifications.clear(); 1065 } 1066 1067 private void sendVerificationRequest(int userId, int verificationId, 1068 IntentFilterVerificationState ivs) { 1069 1070 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 1071 verificationIntent.putExtra( 1072 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 1073 verificationId); 1074 verificationIntent.putExtra( 1075 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 1076 getDefaultScheme()); 1077 verificationIntent.putExtra( 1078 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 1079 ivs.getHostsString()); 1080 verificationIntent.putExtra( 1081 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 1082 ivs.getPackageName()); 1083 verificationIntent.setComponent(mIntentFilterVerifierComponent); 1084 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 1085 1086 DeviceIdleController.LocalService idleController = getDeviceIdleController(); 1087 idleController.addPowerSaveTempWhitelistApp(Process.myUid(), 1088 mIntentFilterVerifierComponent.getPackageName(), getVerificationTimeout(), 1089 userId, false, "intent filter verifier"); 1090 1091 UserHandle user = new UserHandle(userId); 1092 mContext.sendBroadcastAsUser(verificationIntent, user); 1093 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1094 "Sending IntentFilter verification broadcast"); 1095 } 1096 1097 public void receiveVerificationResponse(int verificationId) { 1098 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 1099 1100 final boolean verified = ivs.isVerified(); 1101 1102 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 1103 final int count = filters.size(); 1104 if (DEBUG_DOMAIN_VERIFICATION) { 1105 Slog.i(TAG, "Received verification response " + verificationId 1106 + " for " + count + " filters, verified=" + verified); 1107 } 1108 for (int n=0; n<count; n++) { 1109 PackageParser.ActivityIntentInfo filter = filters.get(n); 1110 filter.setVerified(verified); 1111 1112 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 1113 + " verified with result:" + verified + " and hosts:" 1114 + ivs.getHostsString()); 1115 } 1116 1117 mIntentFilterVerificationStates.remove(verificationId); 1118 1119 final String packageName = ivs.getPackageName(); 1120 IntentFilterVerificationInfo ivi = null; 1121 1122 synchronized (mPackages) { 1123 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 1124 } 1125 if (ivi == null) { 1126 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 1127 + verificationId + " packageName:" + packageName); 1128 return; 1129 } 1130 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1131 "Updating IntentFilterVerificationInfo for package " + packageName 1132 +" verificationId:" + verificationId); 1133 1134 synchronized (mPackages) { 1135 if (verified) { 1136 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 1137 } else { 1138 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 1139 } 1140 scheduleWriteSettingsLocked(); 1141 1142 final int userId = ivs.getUserId(); 1143 if (userId != UserHandle.USER_ALL) { 1144 final int userStatus = 1145 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 1146 1147 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 1148 boolean needUpdate = false; 1149 1150 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 1151 // already been set by the User thru the Disambiguation dialog 1152 switch (userStatus) { 1153 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 1154 if (verified) { 1155 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 1156 } else { 1157 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 1158 } 1159 needUpdate = true; 1160 break; 1161 1162 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 1163 if (verified) { 1164 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 1165 needUpdate = true; 1166 } 1167 break; 1168 1169 default: 1170 // Nothing to do 1171 } 1172 1173 if (needUpdate) { 1174 mSettings.updateIntentFilterVerificationStatusLPw( 1175 packageName, updatedStatus, userId); 1176 scheduleWritePackageRestrictionsLocked(userId); 1177 } 1178 } 1179 } 1180 } 1181 1182 @Override 1183 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 1184 ActivityIntentInfo filter, String packageName) { 1185 if (!hasValidDomains(filter)) { 1186 return false; 1187 } 1188 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 1189 if (ivs == null) { 1190 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 1191 packageName); 1192 } 1193 if (DEBUG_DOMAIN_VERIFICATION) { 1194 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 1195 } 1196 ivs.addFilter(filter); 1197 return true; 1198 } 1199 1200 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 1201 int userId, int verificationId, String packageName) { 1202 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 1203 verifierUid, userId, packageName); 1204 ivs.setPendingState(); 1205 synchronized (mPackages) { 1206 mIntentFilterVerificationStates.append(verificationId, ivs); 1207 mCurrentIntentFilterVerifications.add(verificationId); 1208 } 1209 return ivs; 1210 } 1211 } 1212 1213 private static boolean hasValidDomains(ActivityIntentInfo filter) { 1214 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 1215 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 1216 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 1217 } 1218 1219 // Set of pending broadcasts for aggregating enable/disable of components. 1220 static class PendingPackageBroadcasts { 1221 // for each user id, a map of <package name -> components within that package> 1222 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 1223 1224 public PendingPackageBroadcasts() { 1225 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 1226 } 1227 1228 public ArrayList<String> get(int userId, String packageName) { 1229 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1230 return packages.get(packageName); 1231 } 1232 1233 public void put(int userId, String packageName, ArrayList<String> components) { 1234 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1235 packages.put(packageName, components); 1236 } 1237 1238 public void remove(int userId, String packageName) { 1239 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 1240 if (packages != null) { 1241 packages.remove(packageName); 1242 } 1243 } 1244 1245 public void remove(int userId) { 1246 mUidMap.remove(userId); 1247 } 1248 1249 public int userIdCount() { 1250 return mUidMap.size(); 1251 } 1252 1253 public int userIdAt(int n) { 1254 return mUidMap.keyAt(n); 1255 } 1256 1257 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1258 return mUidMap.get(userId); 1259 } 1260 1261 public int size() { 1262 // total number of pending broadcast entries across all userIds 1263 int num = 0; 1264 for (int i = 0; i< mUidMap.size(); i++) { 1265 num += mUidMap.valueAt(i).size(); 1266 } 1267 return num; 1268 } 1269 1270 public void clear() { 1271 mUidMap.clear(); 1272 } 1273 1274 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1275 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1276 if (map == null) { 1277 map = new ArrayMap<String, ArrayList<String>>(); 1278 mUidMap.put(userId, map); 1279 } 1280 return map; 1281 } 1282 } 1283 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1284 1285 // Service Connection to remote media container service to copy 1286 // package uri's from external media onto secure containers 1287 // or internal storage. 1288 private IMediaContainerService mContainerService = null; 1289 1290 static final int SEND_PENDING_BROADCAST = 1; 1291 static final int MCS_BOUND = 3; 1292 static final int END_COPY = 4; 1293 static final int INIT_COPY = 5; 1294 static final int MCS_UNBIND = 6; 1295 static final int START_CLEANING_PACKAGE = 7; 1296 static final int FIND_INSTALL_LOC = 8; 1297 static final int POST_INSTALL = 9; 1298 static final int MCS_RECONNECT = 10; 1299 static final int MCS_GIVE_UP = 11; 1300 static final int UPDATED_MEDIA_STATUS = 12; 1301 static final int WRITE_SETTINGS = 13; 1302 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1303 static final int PACKAGE_VERIFIED = 15; 1304 static final int CHECK_PENDING_VERIFICATION = 16; 1305 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1306 static final int INTENT_FILTER_VERIFIED = 18; 1307 static final int WRITE_PACKAGE_LIST = 19; 1308 static final int INSTANT_APP_RESOLUTION_PHASE_TWO = 20; 1309 1310 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1311 1312 // Delay time in millisecs 1313 static final int BROADCAST_DELAY = 10 * 1000; 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 SettingBase sb = (SettingBase) pkg.mExtras; 2187 if (sb == null) { 2188 return; 2189 } 2190 2191 PermissionsState permissionsState = sb.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 2947 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2948 SystemClock.uptimeMillis()); 2949 2950 if (!mOnlyCore) { 2951 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2952 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2953 mRequiredUninstallerPackage = getRequiredUninstallerLPr(); 2954 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2955 if (mIntentFilterVerifierComponent != null) { 2956 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2957 mIntentFilterVerifierComponent); 2958 } else { 2959 mIntentFilterVerifier = null; 2960 } 2961 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2962 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES, 2963 SharedLibraryInfo.VERSION_UNDEFINED); 2964 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2965 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED, 2966 SharedLibraryInfo.VERSION_UNDEFINED); 2967 } else { 2968 mRequiredVerifierPackage = null; 2969 mRequiredInstallerPackage = null; 2970 mRequiredUninstallerPackage = null; 2971 mIntentFilterVerifierComponent = null; 2972 mIntentFilterVerifier = null; 2973 mServicesSystemSharedLibraryPackageName = null; 2974 mSharedSystemSharedLibraryPackageName = null; 2975 } 2976 2977 mInstallerService = new PackageInstallerService(context, this); 2978 final Pair<ComponentName, String> instantAppResolverComponent = 2979 getInstantAppResolverLPr(); 2980 if (instantAppResolverComponent != null) { 2981 if (DEBUG_EPHEMERAL) { 2982 Slog.d(TAG, "Set ephemeral resolver: " + instantAppResolverComponent); 2983 } 2984 mInstantAppResolverConnection = new EphemeralResolverConnection( 2985 mContext, instantAppResolverComponent.first, 2986 instantAppResolverComponent.second); 2987 mInstantAppResolverSettingsComponent = 2988 getInstantAppResolverSettingsLPr(instantAppResolverComponent.first); 2989 } else { 2990 mInstantAppResolverConnection = null; 2991 mInstantAppResolverSettingsComponent = null; 2992 } 2993 updateInstantAppInstallerLocked(null); 2994 2995 // Read and update the usage of dex files. 2996 // Do this at the end of PM init so that all the packages have their 2997 // data directory reconciled. 2998 // At this point we know the code paths of the packages, so we can validate 2999 // the disk file and build the internal cache. 3000 // The usage file is expected to be small so loading and verifying it 3001 // should take a fairly small time compare to the other activities (e.g. package 3002 // scanning). 3003 final Map<Integer, List<PackageInfo>> userPackages = new HashMap<>(); 3004 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 3005 for (int userId : currentUserIds) { 3006 userPackages.put(userId, getInstalledPackages(/*flags*/ 0, userId).getList()); 3007 } 3008 mDexManager.load(userPackages); 3009 } // synchronized (mPackages) 3010 } // synchronized (mInstallLock) 3011 3012 // Now after opening every single application zip, make sure they 3013 // are all flushed. Not really needed, but keeps things nice and 3014 // tidy. 3015 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "GC"); 3016 Runtime.getRuntime().gc(); 3017 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 3018 3019 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "loadFallbacks"); 3020 FallbackCategoryProvider.loadFallbacks(); 3021 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 3022 3023 // The initial scanning above does many calls into installd while 3024 // holding the mPackages lock, but we're mostly interested in yelling 3025 // once we have a booted system. 3026 mInstaller.setWarnIfHeld(mPackages); 3027 3028 // Expose private service for system components to use. 3029 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 3030 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 3031 } 3032 3033 private void updateInstantAppInstallerLocked(String modifiedPackage) { 3034 // we're only interested in updating the installer appliction when 1) it's not 3035 // already set or 2) the modified package is the installer 3036 if (mInstantAppInstallerActivity != null 3037 && !mInstantAppInstallerActivity.getComponentName().getPackageName() 3038 .equals(modifiedPackage)) { 3039 return; 3040 } 3041 setUpInstantAppInstallerActivityLP(getInstantAppInstallerLPr()); 3042 } 3043 3044 private static File preparePackageParserCache(boolean isUpgrade) { 3045 if (!DEFAULT_PACKAGE_PARSER_CACHE_ENABLED) { 3046 return null; 3047 } 3048 3049 // Disable package parsing on eng builds to allow for faster incremental development. 3050 if ("eng".equals(Build.TYPE)) { 3051 return null; 3052 } 3053 3054 if (SystemProperties.getBoolean("pm.boot.disable_package_cache", false)) { 3055 Slog.i(TAG, "Disabling package parser cache due to system property."); 3056 return null; 3057 } 3058 3059 // The base directory for the package parser cache lives under /data/system/. 3060 final File cacheBaseDir = FileUtils.createDir(Environment.getDataSystemDirectory(), 3061 "package_cache"); 3062 if (cacheBaseDir == null) { 3063 return null; 3064 } 3065 3066 // If this is a system upgrade scenario, delete the contents of the package cache dir. 3067 // This also serves to "GC" unused entries when the package cache version changes (which 3068 // can only happen during upgrades). 3069 if (isUpgrade) { 3070 FileUtils.deleteContents(cacheBaseDir); 3071 } 3072 3073 3074 // Return the versioned package cache directory. This is something like 3075 // "/data/system/package_cache/1" 3076 File cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 3077 3078 // The following is a workaround to aid development on non-numbered userdebug 3079 // builds or cases where "adb sync" is used on userdebug builds. If we detect that 3080 // the system partition is newer. 3081 // 3082 // NOTE: When no BUILD_NUMBER is set by the build system, it defaults to a build 3083 // that starts with "eng." to signify that this is an engineering build and not 3084 // destined for release. 3085 if ("userdebug".equals(Build.TYPE) && Build.VERSION.INCREMENTAL.startsWith("eng.")) { 3086 Slog.w(TAG, "Wiping cache directory because the system partition changed."); 3087 3088 // Heuristic: If the /system directory has been modified recently due to an "adb sync" 3089 // or a regular make, then blow away the cache. Note that mtimes are *NOT* reliable 3090 // in general and should not be used for production changes. In this specific case, 3091 // we know that they will work. 3092 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 3093 if (cacheDir.lastModified() < frameworkDir.lastModified()) { 3094 FileUtils.deleteContents(cacheBaseDir); 3095 cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 3096 } 3097 } 3098 3099 return cacheDir; 3100 } 3101 3102 @Override 3103 public boolean isFirstBoot() { 3104 // allow instant applications 3105 return mFirstBoot; 3106 } 3107 3108 @Override 3109 public boolean isOnlyCoreApps() { 3110 // allow instant applications 3111 return mOnlyCore; 3112 } 3113 3114 @Override 3115 public boolean isUpgrade() { 3116 // allow instant applications 3117 return mIsUpgrade; 3118 } 3119 3120 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 3121 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 3122 3123 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 3124 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3125 UserHandle.USER_SYSTEM); 3126 if (matches.size() == 1) { 3127 return matches.get(0).getComponentInfo().packageName; 3128 } else if (matches.size() == 0) { 3129 Log.e(TAG, "There should probably be a verifier, but, none were found"); 3130 return null; 3131 } 3132 throw new RuntimeException("There must be exactly one verifier; found " + matches); 3133 } 3134 3135 private @NonNull String getRequiredSharedLibraryLPr(String name, int version) { 3136 synchronized (mPackages) { 3137 SharedLibraryEntry libraryEntry = getSharedLibraryEntryLPr(name, version); 3138 if (libraryEntry == null) { 3139 throw new IllegalStateException("Missing required shared library:" + name); 3140 } 3141 return libraryEntry.apk; 3142 } 3143 } 3144 3145 private @NonNull String getRequiredInstallerLPr() { 3146 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 3147 intent.addCategory(Intent.CATEGORY_DEFAULT); 3148 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3149 3150 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3151 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3152 UserHandle.USER_SYSTEM); 3153 if (matches.size() == 1) { 3154 ResolveInfo resolveInfo = matches.get(0); 3155 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 3156 throw new RuntimeException("The installer must be a privileged app"); 3157 } 3158 return matches.get(0).getComponentInfo().packageName; 3159 } else { 3160 throw new RuntimeException("There must be exactly one installer; found " + matches); 3161 } 3162 } 3163 3164 private @NonNull String getRequiredUninstallerLPr() { 3165 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 3166 intent.addCategory(Intent.CATEGORY_DEFAULT); 3167 intent.setData(Uri.fromParts(PACKAGE_SCHEME, "foo.bar", null)); 3168 3169 final ResolveInfo resolveInfo = resolveIntent(intent, null, 3170 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3171 UserHandle.USER_SYSTEM); 3172 if (resolveInfo == null || 3173 mResolveActivity.name.equals(resolveInfo.getComponentInfo().name)) { 3174 throw new RuntimeException("There must be exactly one uninstaller; found " 3175 + resolveInfo); 3176 } 3177 return resolveInfo.getComponentInfo().packageName; 3178 } 3179 3180 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 3181 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 3182 3183 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 3184 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3185 UserHandle.USER_SYSTEM); 3186 ResolveInfo best = null; 3187 final int N = matches.size(); 3188 for (int i = 0; i < N; i++) { 3189 final ResolveInfo cur = matches.get(i); 3190 final String packageName = cur.getComponentInfo().packageName; 3191 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 3192 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 3193 continue; 3194 } 3195 3196 if (best == null || cur.priority > best.priority) { 3197 best = cur; 3198 } 3199 } 3200 3201 if (best != null) { 3202 return best.getComponentInfo().getComponentName(); 3203 } 3204 Slog.w(TAG, "Intent filter verifier not found"); 3205 return null; 3206 } 3207 3208 @Override 3209 public @Nullable ComponentName getInstantAppResolverComponent() { 3210 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 3211 return null; 3212 } 3213 synchronized (mPackages) { 3214 final Pair<ComponentName, String> instantAppResolver = getInstantAppResolverLPr(); 3215 if (instantAppResolver == null) { 3216 return null; 3217 } 3218 return instantAppResolver.first; 3219 } 3220 } 3221 3222 private @Nullable Pair<ComponentName, String> getInstantAppResolverLPr() { 3223 final String[] packageArray = 3224 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 3225 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 3226 if (DEBUG_EPHEMERAL) { 3227 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 3228 } 3229 return null; 3230 } 3231 3232 final int callingUid = Binder.getCallingUid(); 3233 final int resolveFlags = 3234 MATCH_DIRECT_BOOT_AWARE 3235 | MATCH_DIRECT_BOOT_UNAWARE 3236 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3237 String actionName = Intent.ACTION_RESOLVE_INSTANT_APP_PACKAGE; 3238 final Intent resolverIntent = new Intent(actionName); 3239 List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 3240 resolveFlags, UserHandle.USER_SYSTEM, callingUid, false /*includeInstantApps*/); 3241 // temporarily look for the old action 3242 if (resolvers.size() == 0) { 3243 if (DEBUG_EPHEMERAL) { 3244 Slog.d(TAG, "Ephemeral resolver not found with new action; try old one"); 3245 } 3246 actionName = Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE; 3247 resolverIntent.setAction(actionName); 3248 resolvers = queryIntentServicesInternal(resolverIntent, null, 3249 resolveFlags, UserHandle.USER_SYSTEM, callingUid, false /*includeInstantApps*/); 3250 } 3251 final int N = resolvers.size(); 3252 if (N == 0) { 3253 if (DEBUG_EPHEMERAL) { 3254 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 3255 } 3256 return null; 3257 } 3258 3259 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 3260 for (int i = 0; i < N; i++) { 3261 final ResolveInfo info = resolvers.get(i); 3262 3263 if (info.serviceInfo == null) { 3264 continue; 3265 } 3266 3267 final String packageName = info.serviceInfo.packageName; 3268 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 3269 if (DEBUG_EPHEMERAL) { 3270 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 3271 + " pkg: " + packageName + ", info:" + info); 3272 } 3273 continue; 3274 } 3275 3276 if (DEBUG_EPHEMERAL) { 3277 Slog.v(TAG, "Ephemeral resolver found;" 3278 + " pkg: " + packageName + ", info:" + info); 3279 } 3280 return new Pair<>(new ComponentName(packageName, info.serviceInfo.name), actionName); 3281 } 3282 if (DEBUG_EPHEMERAL) { 3283 Slog.v(TAG, "Ephemeral resolver NOT found"); 3284 } 3285 return null; 3286 } 3287 3288 private @Nullable ActivityInfo getInstantAppInstallerLPr() { 3289 final Intent intent = new Intent(Intent.ACTION_INSTALL_INSTANT_APP_PACKAGE); 3290 intent.addCategory(Intent.CATEGORY_DEFAULT); 3291 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3292 3293 final int resolveFlags = 3294 MATCH_DIRECT_BOOT_AWARE 3295 | MATCH_DIRECT_BOOT_UNAWARE 3296 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3297 List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3298 resolveFlags, UserHandle.USER_SYSTEM); 3299 // temporarily look for the old action 3300 if (matches.isEmpty()) { 3301 if (DEBUG_EPHEMERAL) { 3302 Slog.d(TAG, "Ephemeral installer not found with new action; try old one"); 3303 } 3304 intent.setAction(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 3305 matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3306 resolveFlags, UserHandle.USER_SYSTEM); 3307 } 3308 Iterator<ResolveInfo> iter = matches.iterator(); 3309 while (iter.hasNext()) { 3310 final ResolveInfo rInfo = iter.next(); 3311 final PackageSetting ps = mSettings.mPackages.get(rInfo.activityInfo.packageName); 3312 if (ps != null) { 3313 final PermissionsState permissionsState = ps.getPermissionsState(); 3314 if (permissionsState.hasPermission(Manifest.permission.INSTALL_PACKAGES, 0)) { 3315 continue; 3316 } 3317 } 3318 iter.remove(); 3319 } 3320 if (matches.size() == 0) { 3321 return null; 3322 } else if (matches.size() == 1) { 3323 return (ActivityInfo) matches.get(0).getComponentInfo(); 3324 } else { 3325 throw new RuntimeException( 3326 "There must be at most one ephemeral installer; found " + matches); 3327 } 3328 } 3329 3330 private @Nullable ComponentName getInstantAppResolverSettingsLPr( 3331 @NonNull ComponentName resolver) { 3332 final Intent intent = new Intent(Intent.ACTION_INSTANT_APP_RESOLVER_SETTINGS) 3333 .addCategory(Intent.CATEGORY_DEFAULT) 3334 .setPackage(resolver.getPackageName()); 3335 final int resolveFlags = MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3336 List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, resolveFlags, 3337 UserHandle.USER_SYSTEM); 3338 // temporarily look for the old action 3339 if (matches.isEmpty()) { 3340 if (DEBUG_EPHEMERAL) { 3341 Slog.d(TAG, "Ephemeral resolver settings not found with new action; try old one"); 3342 } 3343 intent.setAction(Intent.ACTION_EPHEMERAL_RESOLVER_SETTINGS); 3344 matches = queryIntentActivitiesInternal(intent, null, resolveFlags, 3345 UserHandle.USER_SYSTEM); 3346 } 3347 if (matches.isEmpty()) { 3348 return null; 3349 } 3350 return matches.get(0).getComponentInfo().getComponentName(); 3351 } 3352 3353 private void primeDomainVerificationsLPw(int userId) { 3354 if (DEBUG_DOMAIN_VERIFICATION) { 3355 Slog.d(TAG, "Priming domain verifications in user " + userId); 3356 } 3357 3358 SystemConfig systemConfig = SystemConfig.getInstance(); 3359 ArraySet<String> packages = systemConfig.getLinkedApps(); 3360 3361 for (String packageName : packages) { 3362 PackageParser.Package pkg = mPackages.get(packageName); 3363 if (pkg != null) { 3364 if (!pkg.isSystemApp()) { 3365 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 3366 continue; 3367 } 3368 3369 ArraySet<String> domains = null; 3370 for (PackageParser.Activity a : pkg.activities) { 3371 for (ActivityIntentInfo filter : a.intents) { 3372 if (hasValidDomains(filter)) { 3373 if (domains == null) { 3374 domains = new ArraySet<String>(); 3375 } 3376 domains.addAll(filter.getHostsList()); 3377 } 3378 } 3379 } 3380 3381 if (domains != null && domains.size() > 0) { 3382 if (DEBUG_DOMAIN_VERIFICATION) { 3383 Slog.v(TAG, " + " + packageName); 3384 } 3385 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 3386 // state w.r.t. the formal app-linkage "no verification attempted" state; 3387 // and then 'always' in the per-user state actually used for intent resolution. 3388 final IntentFilterVerificationInfo ivi; 3389 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, domains); 3390 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 3391 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 3392 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 3393 } else { 3394 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 3395 + "' does not handle web links"); 3396 } 3397 } else { 3398 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 3399 } 3400 } 3401 3402 scheduleWritePackageRestrictionsLocked(userId); 3403 scheduleWriteSettingsLocked(); 3404 } 3405 3406 private void applyFactoryDefaultBrowserLPw(int userId) { 3407 // The default browser app's package name is stored in a string resource, 3408 // with a product-specific overlay used for vendor customization. 3409 String browserPkg = mContext.getResources().getString( 3410 com.android.internal.R.string.default_browser); 3411 if (!TextUtils.isEmpty(browserPkg)) { 3412 // non-empty string => required to be a known package 3413 PackageSetting ps = mSettings.mPackages.get(browserPkg); 3414 if (ps == null) { 3415 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 3416 browserPkg = null; 3417 } else { 3418 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3419 } 3420 } 3421 3422 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3423 // default. If there's more than one, just leave everything alone. 3424 if (browserPkg == null) { 3425 calculateDefaultBrowserLPw(userId); 3426 } 3427 } 3428 3429 private void calculateDefaultBrowserLPw(int userId) { 3430 List<String> allBrowsers = resolveAllBrowserApps(userId); 3431 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3432 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3433 } 3434 3435 private List<String> resolveAllBrowserApps(int userId) { 3436 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3437 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3438 PackageManager.MATCH_ALL, userId); 3439 3440 final int count = list.size(); 3441 List<String> result = new ArrayList<String>(count); 3442 for (int i=0; i<count; i++) { 3443 ResolveInfo info = list.get(i); 3444 if (info.activityInfo == null 3445 || !info.handleAllWebDataURI 3446 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3447 || result.contains(info.activityInfo.packageName)) { 3448 continue; 3449 } 3450 result.add(info.activityInfo.packageName); 3451 } 3452 3453 return result; 3454 } 3455 3456 private boolean packageIsBrowser(String packageName, int userId) { 3457 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3458 PackageManager.MATCH_ALL, userId); 3459 final int N = list.size(); 3460 for (int i = 0; i < N; i++) { 3461 ResolveInfo info = list.get(i); 3462 if (packageName.equals(info.activityInfo.packageName)) { 3463 return true; 3464 } 3465 } 3466 return false; 3467 } 3468 3469 private void checkDefaultBrowser() { 3470 final int myUserId = UserHandle.myUserId(); 3471 final String packageName = getDefaultBrowserPackageName(myUserId); 3472 if (packageName != null) { 3473 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3474 if (info == null) { 3475 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3476 synchronized (mPackages) { 3477 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3478 } 3479 } 3480 } 3481 } 3482 3483 @Override 3484 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3485 throws RemoteException { 3486 try { 3487 return super.onTransact(code, data, reply, flags); 3488 } catch (RuntimeException e) { 3489 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3490 Slog.wtf(TAG, "Package Manager Crash", e); 3491 } 3492 throw e; 3493 } 3494 } 3495 3496 static int[] appendInts(int[] cur, int[] add) { 3497 if (add == null) return cur; 3498 if (cur == null) return add; 3499 final int N = add.length; 3500 for (int i=0; i<N; i++) { 3501 cur = appendInt(cur, add[i]); 3502 } 3503 return cur; 3504 } 3505 3506 /** 3507 * Returns whether or not a full application can see an instant application. 3508 * <p> 3509 * Currently, there are three cases in which this can occur: 3510 * <ol> 3511 * <li>The calling application is a "special" process. The special 3512 * processes are {@link Process#SYSTEM_UID}, {@link Process#SHELL_UID} 3513 * and {@code 0}</li> 3514 * <li>The calling application has the permission 3515 * {@link android.Manifest.permission#ACCESS_INSTANT_APPS}</li> 3516 * <li>[TODO] The calling application is the default launcher on the 3517 * system partition.</li> 3518 * </ol> 3519 */ 3520 private boolean canViewInstantApps(int callingUid, int userId) { 3521 if (callingUid == Process.SYSTEM_UID 3522 || callingUid == Process.SHELL_UID 3523 || callingUid == Process.ROOT_UID) { 3524 return true; 3525 } 3526 if (mContext.checkCallingOrSelfPermission( 3527 android.Manifest.permission.ACCESS_INSTANT_APPS) == PERMISSION_GRANTED) { 3528 return true; 3529 } 3530 if (mContext.checkCallingOrSelfPermission( 3531 android.Manifest.permission.VIEW_INSTANT_APPS) == PERMISSION_GRANTED) { 3532 final ComponentName homeComponent = getDefaultHomeActivity(userId); 3533 if (homeComponent != null 3534 && isCallerSameApp(homeComponent.getPackageName(), callingUid)) { 3535 return true; 3536 } 3537 } 3538 return false; 3539 } 3540 3541 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3542 if (!sUserManager.exists(userId)) return null; 3543 if (ps == null) { 3544 return null; 3545 } 3546 PackageParser.Package p = ps.pkg; 3547 if (p == null) { 3548 return null; 3549 } 3550 final int callingUid = Binder.getCallingUid(); 3551 // Filter out ephemeral app metadata: 3552 // * The system/shell/root can see metadata for any app 3553 // * An installed app can see metadata for 1) other installed apps 3554 // and 2) ephemeral apps that have explicitly interacted with it 3555 // * Ephemeral apps can only see their own data and exposed installed apps 3556 // * Holding a signature permission allows seeing instant apps 3557 if (filterAppAccessLPr(ps, callingUid, userId)) { 3558 return null; 3559 } 3560 3561 final PermissionsState permissionsState = ps.getPermissionsState(); 3562 3563 // Compute GIDs only if requested 3564 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3565 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3566 // Compute granted permissions only if package has requested permissions 3567 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3568 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3569 final PackageUserState state = ps.readUserState(userId); 3570 3571 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0 3572 && ps.isSystem()) { 3573 flags |= MATCH_ANY_USER; 3574 } 3575 3576 PackageInfo packageInfo = PackageParser.generatePackageInfo(p, gids, flags, 3577 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3578 3579 if (packageInfo == null) { 3580 return null; 3581 } 3582 3583 rebaseEnabledOverlays(packageInfo.applicationInfo, userId); 3584 3585 packageInfo.packageName = packageInfo.applicationInfo.packageName = 3586 resolveExternalPackageNameLPr(p); 3587 3588 return packageInfo; 3589 } 3590 3591 @Override 3592 public void checkPackageStartable(String packageName, int userId) { 3593 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 3594 throw new SecurityException("Instant applications don't have access to this method"); 3595 } 3596 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3597 synchronized (mPackages) { 3598 final PackageSetting ps = mSettings.mPackages.get(packageName); 3599 if (ps == null) { 3600 throw new SecurityException("Package " + packageName + " was not found!"); 3601 } 3602 3603 if (!ps.getInstalled(userId)) { 3604 throw new SecurityException( 3605 "Package " + packageName + " was not installed for user " + userId + "!"); 3606 } 3607 3608 if (mSafeMode && !ps.isSystem()) { 3609 throw new SecurityException("Package " + packageName + " not a system app!"); 3610 } 3611 3612 if (mFrozenPackages.contains(packageName)) { 3613 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3614 } 3615 3616 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3617 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3618 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3619 } 3620 } 3621 } 3622 3623 @Override 3624 public boolean isPackageAvailable(String packageName, int userId) { 3625 if (!sUserManager.exists(userId)) return false; 3626 final int callingUid = Binder.getCallingUid(); 3627 enforceCrossUserPermission(callingUid, userId, 3628 false /*requireFullPermission*/, false /*checkShell*/, "is package available"); 3629 synchronized (mPackages) { 3630 PackageParser.Package p = mPackages.get(packageName); 3631 if (p != null) { 3632 final PackageSetting ps = (PackageSetting) p.mExtras; 3633 if (filterAppAccessLPr(ps, callingUid, userId)) { 3634 return false; 3635 } 3636 if (ps != null) { 3637 final PackageUserState state = ps.readUserState(userId); 3638 if (state != null) { 3639 return PackageParser.isAvailable(state); 3640 } 3641 } 3642 } 3643 } 3644 return false; 3645 } 3646 3647 @Override 3648 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3649 return getPackageInfoInternal(packageName, PackageManager.VERSION_CODE_HIGHEST, 3650 flags, userId); 3651 } 3652 3653 @Override 3654 public PackageInfo getPackageInfoVersioned(VersionedPackage versionedPackage, 3655 int flags, int userId) { 3656 return getPackageInfoInternal(versionedPackage.getPackageName(), 3657 versionedPackage.getVersionCode(), flags, userId); 3658 } 3659 3660 private PackageInfo getPackageInfoInternal(String packageName, int versionCode, 3661 int flags, int userId) { 3662 if (!sUserManager.exists(userId)) return null; 3663 final int callingUid = Binder.getCallingUid(); 3664 flags = updateFlagsForPackage(flags, userId, packageName); 3665 enforceCrossUserPermission(callingUid, userId, 3666 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3667 3668 // reader 3669 synchronized (mPackages) { 3670 // Normalize package name to handle renamed packages and static libs 3671 packageName = resolveInternalPackageNameLPr(packageName, versionCode); 3672 3673 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3674 if (matchFactoryOnly) { 3675 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3676 if (ps != null) { 3677 if (filterSharedLibPackageLPr(ps, callingUid, userId, flags)) { 3678 return null; 3679 } 3680 if (filterAppAccessLPr(ps, callingUid, userId)) { 3681 return null; 3682 } 3683 return generatePackageInfo(ps, flags, userId); 3684 } 3685 } 3686 3687 PackageParser.Package p = mPackages.get(packageName); 3688 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3689 return null; 3690 } 3691 if (DEBUG_PACKAGE_INFO) 3692 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3693 if (p != null) { 3694 final PackageSetting ps = (PackageSetting) p.mExtras; 3695 if (filterSharedLibPackageLPr(ps, callingUid, userId, flags)) { 3696 return null; 3697 } 3698 if (ps != null && filterAppAccessLPr(ps, callingUid, userId)) { 3699 return null; 3700 } 3701 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3702 } 3703 if (!matchFactoryOnly && (flags & MATCH_KNOWN_PACKAGES) != 0) { 3704 final PackageSetting ps = mSettings.mPackages.get(packageName); 3705 if (ps == null) return null; 3706 if (filterSharedLibPackageLPr(ps, callingUid, userId, flags)) { 3707 return null; 3708 } 3709 if (filterAppAccessLPr(ps, callingUid, userId)) { 3710 return null; 3711 } 3712 return generatePackageInfo(ps, flags, userId); 3713 } 3714 } 3715 return null; 3716 } 3717 3718 private boolean isComponentVisibleToInstantApp(@Nullable ComponentName component) { 3719 if (isComponentVisibleToInstantApp(component, TYPE_ACTIVITY)) { 3720 return true; 3721 } 3722 if (isComponentVisibleToInstantApp(component, TYPE_SERVICE)) { 3723 return true; 3724 } 3725 if (isComponentVisibleToInstantApp(component, TYPE_PROVIDER)) { 3726 return true; 3727 } 3728 return false; 3729 } 3730 3731 private boolean isComponentVisibleToInstantApp( 3732 @Nullable ComponentName component, @ComponentType int type) { 3733 if (type == TYPE_ACTIVITY) { 3734 final PackageParser.Activity activity = mActivities.mActivities.get(component); 3735 return activity != null 3736 ? (activity.info.flags & ActivityInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0 3737 : false; 3738 } else if (type == TYPE_RECEIVER) { 3739 final PackageParser.Activity activity = mReceivers.mActivities.get(component); 3740 return activity != null 3741 ? (activity.info.flags & ActivityInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0 3742 : false; 3743 } else if (type == TYPE_SERVICE) { 3744 final PackageParser.Service service = mServices.mServices.get(component); 3745 return service != null 3746 ? (service.info.flags & ServiceInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0 3747 : false; 3748 } else if (type == TYPE_PROVIDER) { 3749 final PackageParser.Provider provider = mProviders.mProviders.get(component); 3750 return provider != null 3751 ? (provider.info.flags & ProviderInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0 3752 : false; 3753 } else if (type == TYPE_UNKNOWN) { 3754 return isComponentVisibleToInstantApp(component); 3755 } 3756 return false; 3757 } 3758 3759 /** 3760 * Returns whether or not access to the application should be filtered. 3761 * <p> 3762 * Access may be limited based upon whether the calling or target applications 3763 * are instant applications. 3764 * 3765 * @see #canAccessInstantApps(int) 3766 */ 3767 private boolean filterAppAccessLPr(@Nullable PackageSetting ps, int callingUid, 3768 @Nullable ComponentName component, @ComponentType int componentType, int userId) { 3769 // if we're in an isolated process, get the real calling UID 3770 if (Process.isIsolated(callingUid)) { 3771 callingUid = mIsolatedOwners.get(callingUid); 3772 } 3773 final String instantAppPkgName = getInstantAppPackageName(callingUid); 3774 final boolean callerIsInstantApp = instantAppPkgName != null; 3775 if (ps == null) { 3776 if (callerIsInstantApp) { 3777 // pretend the application exists, but, needs to be filtered 3778 return true; 3779 } 3780 return false; 3781 } 3782 // if the target and caller are the same application, don't filter 3783 if (isCallerSameApp(ps.name, callingUid)) { 3784 return false; 3785 } 3786 if (callerIsInstantApp) { 3787 // request for a specific component; if it hasn't been explicitly exposed, filter 3788 if (component != null) { 3789 return !isComponentVisibleToInstantApp(component, componentType); 3790 } 3791 // request for application; if no components have been explicitly exposed, filter 3792 return ps.getInstantApp(userId) || !ps.pkg.visibleToInstantApps; 3793 } 3794 if (ps.getInstantApp(userId)) { 3795 // caller can see all components of all instant applications, don't filter 3796 if (canViewInstantApps(callingUid, userId)) { 3797 return false; 3798 } 3799 // request for a specific instant application component, filter 3800 if (component != null) { 3801 return true; 3802 } 3803 // request for an instant application; if the caller hasn't been granted access, filter 3804 return !mInstantAppRegistry.isInstantAccessGranted( 3805 userId, UserHandle.getAppId(callingUid), ps.appId); 3806 } 3807 return false; 3808 } 3809 3810 /** 3811 * @see #filterAppAccessLPr(PackageSetting, int, ComponentName, boolean, int) 3812 */ 3813 private boolean filterAppAccessLPr(@Nullable PackageSetting ps, int callingUid, int userId) { 3814 return filterAppAccessLPr(ps, callingUid, null, TYPE_UNKNOWN, userId); 3815 } 3816 3817 private boolean filterSharedLibPackageLPr(@Nullable PackageSetting ps, int uid, int userId, 3818 int flags) { 3819 // Callers can access only the libs they depend on, otherwise they need to explicitly 3820 // ask for the shared libraries given the caller is allowed to access all static libs. 3821 if ((flags & PackageManager.MATCH_STATIC_SHARED_LIBRARIES) != 0) { 3822 // System/shell/root get to see all static libs 3823 final int appId = UserHandle.getAppId(uid); 3824 if (appId == Process.SYSTEM_UID || appId == Process.SHELL_UID 3825 || appId == Process.ROOT_UID) { 3826 return false; 3827 } 3828 } 3829 3830 // No package means no static lib as it is always on internal storage 3831 if (ps == null || ps.pkg == null || !ps.pkg.applicationInfo.isStaticSharedLibrary()) { 3832 return false; 3833 } 3834 3835 final SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(ps.pkg.staticSharedLibName, 3836 ps.pkg.staticSharedLibVersion); 3837 if (libEntry == null) { 3838 return false; 3839 } 3840 3841 final int resolvedUid = UserHandle.getUid(userId, UserHandle.getAppId(uid)); 3842 final String[] uidPackageNames = getPackagesForUid(resolvedUid); 3843 if (uidPackageNames == null) { 3844 return true; 3845 } 3846 3847 for (String uidPackageName : uidPackageNames) { 3848 if (ps.name.equals(uidPackageName)) { 3849 return false; 3850 } 3851 PackageSetting uidPs = mSettings.getPackageLPr(uidPackageName); 3852 if (uidPs != null) { 3853 final int index = ArrayUtils.indexOf(uidPs.usesStaticLibraries, 3854 libEntry.info.getName()); 3855 if (index < 0) { 3856 continue; 3857 } 3858 if (uidPs.pkg.usesStaticLibrariesVersions[index] == libEntry.info.getVersion()) { 3859 return false; 3860 } 3861 } 3862 } 3863 return true; 3864 } 3865 3866 @Override 3867 public String[] currentToCanonicalPackageNames(String[] names) { 3868 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 3869 return names; 3870 } 3871 String[] out = new String[names.length]; 3872 // reader 3873 synchronized (mPackages) { 3874 for (int i=names.length-1; i>=0; i--) { 3875 PackageSetting ps = mSettings.mPackages.get(names[i]); 3876 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3877 } 3878 } 3879 return out; 3880 } 3881 3882 @Override 3883 public String[] canonicalToCurrentPackageNames(String[] names) { 3884 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 3885 return names; 3886 } 3887 String[] out = new String[names.length]; 3888 // reader 3889 synchronized (mPackages) { 3890 for (int i=names.length-1; i>=0; i--) { 3891 String cur = mSettings.getRenamedPackageLPr(names[i]); 3892 out[i] = cur != null ? cur : names[i]; 3893 } 3894 } 3895 return out; 3896 } 3897 3898 @Override 3899 public int getPackageUid(String packageName, int flags, int userId) { 3900 if (!sUserManager.exists(userId)) return -1; 3901 final int callingUid = Binder.getCallingUid(); 3902 flags = updateFlagsForPackage(flags, userId, packageName); 3903 enforceCrossUserPermission(callingUid, userId, 3904 false /*requireFullPermission*/, false /*checkShell*/, "getPackageUid"); 3905 3906 // reader 3907 synchronized (mPackages) { 3908 final PackageParser.Package p = mPackages.get(packageName); 3909 if (p != null && p.isMatch(flags)) { 3910 PackageSetting ps = (PackageSetting) p.mExtras; 3911 if (filterAppAccessLPr(ps, callingUid, userId)) { 3912 return -1; 3913 } 3914 return UserHandle.getUid(userId, p.applicationInfo.uid); 3915 } 3916 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3917 final PackageSetting ps = mSettings.mPackages.get(packageName); 3918 if (ps != null && ps.isMatch(flags) 3919 && !filterAppAccessLPr(ps, callingUid, userId)) { 3920 return UserHandle.getUid(userId, ps.appId); 3921 } 3922 } 3923 } 3924 3925 return -1; 3926 } 3927 3928 @Override 3929 public int[] getPackageGids(String packageName, int flags, int userId) { 3930 if (!sUserManager.exists(userId)) return null; 3931 final int callingUid = Binder.getCallingUid(); 3932 flags = updateFlagsForPackage(flags, userId, packageName); 3933 enforceCrossUserPermission(callingUid, userId, 3934 false /*requireFullPermission*/, false /*checkShell*/, "getPackageGids"); 3935 3936 // reader 3937 synchronized (mPackages) { 3938 final PackageParser.Package p = mPackages.get(packageName); 3939 if (p != null && p.isMatch(flags)) { 3940 PackageSetting ps = (PackageSetting) p.mExtras; 3941 if (filterAppAccessLPr(ps, callingUid, userId)) { 3942 return null; 3943 } 3944 // TODO: Shouldn't this be checking for package installed state for userId and 3945 // return null? 3946 return ps.getPermissionsState().computeGids(userId); 3947 } 3948 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3949 final PackageSetting ps = mSettings.mPackages.get(packageName); 3950 if (ps != null && ps.isMatch(flags) 3951 && !filterAppAccessLPr(ps, callingUid, userId)) { 3952 return ps.getPermissionsState().computeGids(userId); 3953 } 3954 } 3955 } 3956 3957 return null; 3958 } 3959 3960 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3961 if (bp.perm != null) { 3962 return PackageParser.generatePermissionInfo(bp.perm, flags); 3963 } 3964 PermissionInfo pi = new PermissionInfo(); 3965 pi.name = bp.name; 3966 pi.packageName = bp.sourcePackage; 3967 pi.nonLocalizedLabel = bp.name; 3968 pi.protectionLevel = bp.protectionLevel; 3969 return pi; 3970 } 3971 3972 @Override 3973 public PermissionInfo getPermissionInfo(String name, int flags) { 3974 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 3975 return null; 3976 } 3977 // reader 3978 synchronized (mPackages) { 3979 final BasePermission p = mSettings.mPermissions.get(name); 3980 if (p != null) { 3981 return generatePermissionInfo(p, flags); 3982 } 3983 return null; 3984 } 3985 } 3986 3987 @Override 3988 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3989 int flags) { 3990 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 3991 return null; 3992 } 3993 // reader 3994 synchronized (mPackages) { 3995 if (group != null && !mPermissionGroups.containsKey(group)) { 3996 // This is thrown as NameNotFoundException 3997 return null; 3998 } 3999 4000 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 4001 for (BasePermission p : mSettings.mPermissions.values()) { 4002 if (group == null) { 4003 if (p.perm == null || p.perm.info.group == null) { 4004 out.add(generatePermissionInfo(p, flags)); 4005 } 4006 } else { 4007 if (p.perm != null && group.equals(p.perm.info.group)) { 4008 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 4009 } 4010 } 4011 } 4012 return new ParceledListSlice<>(out); 4013 } 4014 } 4015 4016 @Override 4017 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 4018 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 4019 return null; 4020 } 4021 // reader 4022 synchronized (mPackages) { 4023 return PackageParser.generatePermissionGroupInfo( 4024 mPermissionGroups.get(name), flags); 4025 } 4026 } 4027 4028 @Override 4029 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 4030 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 4031 return ParceledListSlice.emptyList(); 4032 } 4033 // reader 4034 synchronized (mPackages) { 4035 final int N = mPermissionGroups.size(); 4036 ArrayList<PermissionGroupInfo> out 4037 = new ArrayList<PermissionGroupInfo>(N); 4038 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 4039 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 4040 } 4041 return new ParceledListSlice<>(out); 4042 } 4043 } 4044 4045 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 4046 int uid, int userId) { 4047 if (!sUserManager.exists(userId)) return null; 4048 PackageSetting ps = mSettings.mPackages.get(packageName); 4049 if (ps != null) { 4050 if (filterSharedLibPackageLPr(ps, uid, userId, flags)) { 4051 return null; 4052 } 4053 if (filterAppAccessLPr(ps, uid, userId)) { 4054 return null; 4055 } 4056 if (ps.pkg == null) { 4057 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 4058 if (pInfo != null) { 4059 return pInfo.applicationInfo; 4060 } 4061 return null; 4062 } 4063 ApplicationInfo ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 4064 ps.readUserState(userId), userId); 4065 if (ai != null) { 4066 rebaseEnabledOverlays(ai, userId); 4067 ai.packageName = resolveExternalPackageNameLPr(ps.pkg); 4068 } 4069 return ai; 4070 } 4071 return null; 4072 } 4073 4074 @Override 4075 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 4076 if (!sUserManager.exists(userId)) return null; 4077 flags = updateFlagsForApplication(flags, userId, packageName); 4078 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4079 false /* requireFullPermission */, false /* checkShell */, "get application info"); 4080 4081 // writer 4082 synchronized (mPackages) { 4083 // Normalize package name to handle renamed packages and static libs 4084 packageName = resolveInternalPackageNameLPr(packageName, 4085 PackageManager.VERSION_CODE_HIGHEST); 4086 4087 PackageParser.Package p = mPackages.get(packageName); 4088 if (DEBUG_PACKAGE_INFO) Log.v( 4089 TAG, "getApplicationInfo " + packageName 4090 + ": " + p); 4091 if (p != null) { 4092 PackageSetting ps = mSettings.mPackages.get(packageName); 4093 if (ps == null) return null; 4094 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId, flags)) { 4095 return null; 4096 } 4097 if (filterAppAccessLPr(ps, Binder.getCallingUid(), userId)) { 4098 return null; 4099 } 4100 // Note: isEnabledLP() does not apply here - always return info 4101 ApplicationInfo ai = PackageParser.generateApplicationInfo( 4102 p, flags, ps.readUserState(userId), userId); 4103 if (ai != null) { 4104 rebaseEnabledOverlays(ai, userId); 4105 ai.packageName = resolveExternalPackageNameLPr(p); 4106 } 4107 return ai; 4108 } 4109 if ("android".equals(packageName)||"system".equals(packageName)) { 4110 return mAndroidApplication; 4111 } 4112 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 4113 // Already generates the external package name 4114 return generateApplicationInfoFromSettingsLPw(packageName, 4115 Binder.getCallingUid(), flags, userId); 4116 } 4117 } 4118 return null; 4119 } 4120 4121 private void rebaseEnabledOverlays(@NonNull ApplicationInfo ai, int userId) { 4122 List<String> paths = new ArrayList<>(); 4123 ArrayMap<String, ArrayList<String>> userSpecificOverlays = 4124 mEnabledOverlayPaths.get(userId); 4125 if (userSpecificOverlays != null) { 4126 if (!"android".equals(ai.packageName)) { 4127 ArrayList<String> frameworkOverlays = userSpecificOverlays.get("android"); 4128 if (frameworkOverlays != null) { 4129 paths.addAll(frameworkOverlays); 4130 } 4131 } 4132 4133 ArrayList<String> appOverlays = userSpecificOverlays.get(ai.packageName); 4134 if (appOverlays != null) { 4135 paths.addAll(appOverlays); 4136 } 4137 } 4138 ai.resourceDirs = paths.size() > 0 ? paths.toArray(new String[paths.size()]) : null; 4139 } 4140 4141 private String normalizePackageNameLPr(String packageName) { 4142 String normalizedPackageName = mSettings.getRenamedPackageLPr(packageName); 4143 return normalizedPackageName != null ? normalizedPackageName : packageName; 4144 } 4145 4146 @Override 4147 public void deletePreloadsFileCache() { 4148 if (!UserHandle.isSameApp(Binder.getCallingUid(), Process.SYSTEM_UID)) { 4149 throw new SecurityException("Only system or settings may call deletePreloadsFileCache"); 4150 } 4151 File dir = Environment.getDataPreloadsFileCacheDirectory(); 4152 Slog.i(TAG, "Deleting preloaded file cache " + dir); 4153 FileUtils.deleteContents(dir); 4154 } 4155 4156 @Override 4157 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 4158 final IPackageDataObserver observer) { 4159 mContext.enforceCallingOrSelfPermission( 4160 android.Manifest.permission.CLEAR_APP_CACHE, null); 4161 mHandler.post(() -> { 4162 boolean success = false; 4163 try { 4164 freeStorage(volumeUuid, freeStorageSize, 0); 4165 success = true; 4166 } catch (IOException e) { 4167 Slog.w(TAG, e); 4168 } 4169 if (observer != null) { 4170 try { 4171 observer.onRemoveCompleted(null, success); 4172 } catch (RemoteException e) { 4173 Slog.w(TAG, e); 4174 } 4175 } 4176 }); 4177 } 4178 4179 @Override 4180 public void freeStorage(final String volumeUuid, final long freeStorageSize, 4181 final IntentSender pi) { 4182 mContext.enforceCallingOrSelfPermission( 4183 android.Manifest.permission.CLEAR_APP_CACHE, TAG); 4184 mHandler.post(() -> { 4185 boolean success = false; 4186 try { 4187 freeStorage(volumeUuid, freeStorageSize, 0); 4188 success = true; 4189 } catch (IOException e) { 4190 Slog.w(TAG, e); 4191 } 4192 if (pi != null) { 4193 try { 4194 pi.sendIntent(null, success ? 1 : 0, null, null, null); 4195 } catch (SendIntentException e) { 4196 Slog.w(TAG, e); 4197 } 4198 } 4199 }); 4200 } 4201 4202 /** 4203 * Blocking call to clear various types of cached data across the system 4204 * until the requested bytes are available. 4205 */ 4206 public void freeStorage(String volumeUuid, long bytes, int storageFlags) throws IOException { 4207 final StorageManager storage = mContext.getSystemService(StorageManager.class); 4208 final File file = storage.findPathForUuid(volumeUuid); 4209 if (file.getUsableSpace() >= bytes) return; 4210 4211 if (ENABLE_FREE_CACHE_V2) { 4212 final boolean aggressive = (storageFlags 4213 & StorageManager.FLAG_ALLOCATE_AGGRESSIVE) != 0; 4214 final boolean internalVolume = Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, 4215 volumeUuid); 4216 4217 // 1. Pre-flight to determine if we have any chance to succeed 4218 // 2. Consider preloaded data (after 1w honeymoon, unless aggressive) 4219 if (internalVolume && (aggressive || SystemProperties 4220 .getBoolean("persist.sys.preloads.file_cache_expired", false))) { 4221 deletePreloadsFileCache(); 4222 if (file.getUsableSpace() >= bytes) return; 4223 } 4224 4225 // 3. Consider parsed APK data (aggressive only) 4226 if (internalVolume && aggressive) { 4227 FileUtils.deleteContents(mCacheDir); 4228 if (file.getUsableSpace() >= bytes) return; 4229 } 4230 4231 // 4. Consider cached app data (above quotas) 4232 try { 4233 mInstaller.freeCache(volumeUuid, bytes, Installer.FLAG_FREE_CACHE_V2); 4234 } catch (InstallerException ignored) { 4235 } 4236 if (file.getUsableSpace() >= bytes) return; 4237 4238 // 5. Consider shared libraries with refcount=0 and age>2h 4239 // 6. Consider dexopt output (aggressive only) 4240 // 7. Consider ephemeral apps not used in last week 4241 4242 // 8. Consider cached app data (below quotas) 4243 try { 4244 mInstaller.freeCache(volumeUuid, bytes, Installer.FLAG_FREE_CACHE_V2 4245 | Installer.FLAG_FREE_CACHE_V2_DEFY_QUOTA); 4246 } catch (InstallerException ignored) { 4247 } 4248 if (file.getUsableSpace() >= bytes) return; 4249 4250 // 9. Consider DropBox entries 4251 // 10. Consider ephemeral cookies 4252 4253 } else { 4254 try { 4255 mInstaller.freeCache(volumeUuid, bytes, 0); 4256 } catch (InstallerException ignored) { 4257 } 4258 if (file.getUsableSpace() >= bytes) return; 4259 } 4260 4261 throw new IOException("Failed to free " + bytes + " on storage device at " + file); 4262 } 4263 4264 /** 4265 * Update given flags based on encryption status of current user. 4266 */ 4267 private int updateFlags(int flags, int userId) { 4268 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 4269 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 4270 // Caller expressed an explicit opinion about what encryption 4271 // aware/unaware components they want to see, so fall through and 4272 // give them what they want 4273 } else { 4274 // Caller expressed no opinion, so match based on user state 4275 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 4276 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 4277 } else { 4278 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 4279 } 4280 } 4281 return flags; 4282 } 4283 4284 private UserManagerInternal getUserManagerInternal() { 4285 if (mUserManagerInternal == null) { 4286 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 4287 } 4288 return mUserManagerInternal; 4289 } 4290 4291 private DeviceIdleController.LocalService getDeviceIdleController() { 4292 if (mDeviceIdleController == null) { 4293 mDeviceIdleController = 4294 LocalServices.getService(DeviceIdleController.LocalService.class); 4295 } 4296 return mDeviceIdleController; 4297 } 4298 4299 /** 4300 * Update given flags when being used to request {@link PackageInfo}. 4301 */ 4302 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 4303 final boolean isCallerSystemUser = UserHandle.getCallingUserId() == UserHandle.USER_SYSTEM; 4304 boolean triaged = true; 4305 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 4306 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 4307 // Caller is asking for component details, so they'd better be 4308 // asking for specific encryption matching behavior, or be triaged 4309 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 4310 | PackageManager.MATCH_DIRECT_BOOT_AWARE 4311 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 4312 triaged = false; 4313 } 4314 } 4315 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 4316 | PackageManager.MATCH_SYSTEM_ONLY 4317 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 4318 triaged = false; 4319 } 4320 if ((flags & PackageManager.MATCH_ANY_USER) != 0) { 4321 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 4322 "MATCH_ANY_USER flag requires INTERACT_ACROSS_USERS permission at " 4323 + Debug.getCallers(5)); 4324 } else if ((flags & PackageManager.MATCH_UNINSTALLED_PACKAGES) != 0 && isCallerSystemUser 4325 && sUserManager.hasManagedProfile(UserHandle.USER_SYSTEM)) { 4326 // If the caller wants all packages and has a restricted profile associated with it, 4327 // then match all users. This is to make sure that launchers that need to access work 4328 // profile apps don't start breaking. TODO: Remove this hack when launchers stop using 4329 // MATCH_UNINSTALLED_PACKAGES to query apps in other profiles. b/31000380 4330 flags |= PackageManager.MATCH_ANY_USER; 4331 } 4332 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 4333 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 4334 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 4335 } 4336 return updateFlags(flags, userId); 4337 } 4338 4339 /** 4340 * Update given flags when being used to request {@link ApplicationInfo}. 4341 */ 4342 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 4343 return updateFlagsForPackage(flags, userId, cookie); 4344 } 4345 4346 /** 4347 * Update given flags when being used to request {@link ComponentInfo}. 4348 */ 4349 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 4350 if (cookie instanceof Intent) { 4351 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 4352 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 4353 } 4354 } 4355 4356 boolean triaged = true; 4357 // Caller is asking for component details, so they'd better be 4358 // asking for specific encryption matching behavior, or be triaged 4359 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 4360 | PackageManager.MATCH_DIRECT_BOOT_AWARE 4361 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 4362 triaged = false; 4363 } 4364 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 4365 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 4366 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 4367 } 4368 4369 return updateFlags(flags, userId); 4370 } 4371 4372 /** 4373 * Update given intent when being used to request {@link ResolveInfo}. 4374 */ 4375 private Intent updateIntentForResolve(Intent intent) { 4376 if (intent.getSelector() != null) { 4377 intent = intent.getSelector(); 4378 } 4379 if (DEBUG_PREFERRED) { 4380 intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4381 } 4382 return intent; 4383 } 4384 4385 /** 4386 * Update given flags when being used to request {@link ResolveInfo}. 4387 * <p>Instant apps are resolved specially, depending upon context. Minimally, 4388 * {@code}flags{@code} must have the {@link PackageManager#MATCH_INSTANT} 4389 * flag set. However, this flag is only honoured in three circumstances: 4390 * <ul> 4391 * <li>when called from a system process</li> 4392 * <li>when the caller holds the permission {@code android.permission.ACCESS_INSTANT_APPS}</li> 4393 * <li>when resolution occurs to start an activity with a {@code android.intent.action.VIEW} 4394 * action and a {@code android.intent.category.BROWSABLE} category</li> 4395 * </ul> 4396 */ 4397 int updateFlagsForResolve(int flags, int userId, Intent intent, int callingUid) { 4398 return updateFlagsForResolve(flags, userId, intent, callingUid, 4399 false /*wantInstantApps*/, false /*onlyExposedExplicitly*/); 4400 } 4401 int updateFlagsForResolve(int flags, int userId, Intent intent, int callingUid, 4402 boolean wantInstantApps) { 4403 return updateFlagsForResolve(flags, userId, intent, callingUid, 4404 wantInstantApps, false /*onlyExposedExplicitly*/); 4405 } 4406 int updateFlagsForResolve(int flags, int userId, Intent intent, int callingUid, 4407 boolean wantInstantApps, boolean onlyExposedExplicitly) { 4408 // Safe mode means we shouldn't match any third-party components 4409 if (mSafeMode) { 4410 flags |= PackageManager.MATCH_SYSTEM_ONLY; 4411 } 4412 if (getInstantAppPackageName(callingUid) != null) { 4413 // But, ephemeral apps see both ephemeral and exposed, non-ephemeral components 4414 if (onlyExposedExplicitly) { 4415 flags |= PackageManager.MATCH_EXPLICITLY_VISIBLE_ONLY; 4416 } 4417 flags |= PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY; 4418 flags |= PackageManager.MATCH_INSTANT; 4419 } else { 4420 final boolean wantMatchInstant = (flags & PackageManager.MATCH_INSTANT) != 0; 4421 final boolean allowMatchInstant = 4422 (wantInstantApps 4423 && Intent.ACTION_VIEW.equals(intent.getAction()) 4424 && hasWebURI(intent)) 4425 || (wantMatchInstant && canViewInstantApps(callingUid, userId)); 4426 flags &= ~(PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY 4427 | PackageManager.MATCH_EXPLICITLY_VISIBLE_ONLY); 4428 if (!allowMatchInstant) { 4429 flags &= ~PackageManager.MATCH_INSTANT; 4430 } 4431 } 4432 return updateFlagsForComponent(flags, userId, intent /*cookie*/); 4433 } 4434 4435 private ActivityInfo generateActivityInfo(ActivityInfo ai, int flags, PackageUserState state, 4436 int userId) { 4437 ActivityInfo ret = PackageParser.generateActivityInfo(ai, flags, state, userId); 4438 if (ret != null) { 4439 rebaseEnabledOverlays(ret.applicationInfo, userId); 4440 } 4441 return ret; 4442 } 4443 4444 private ActivityInfo generateActivityInfo(PackageParser.Activity a, int flags, 4445 PackageUserState state, int userId) { 4446 ActivityInfo ai = PackageParser.generateActivityInfo(a, flags, state, userId); 4447 if (ai != null) { 4448 rebaseEnabledOverlays(ai.applicationInfo, userId); 4449 } 4450 return ai; 4451 } 4452 4453 @Override 4454 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 4455 if (!sUserManager.exists(userId)) return null; 4456 final int callingUid = Binder.getCallingUid(); 4457 flags = updateFlagsForComponent(flags, userId, component); 4458 enforceCrossUserPermission(callingUid, userId, 4459 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 4460 synchronized (mPackages) { 4461 PackageParser.Activity a = mActivities.mActivities.get(component); 4462 4463 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 4464 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 4465 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4466 if (ps == null) return null; 4467 if (filterAppAccessLPr(ps, callingUid, component, TYPE_ACTIVITY, userId)) { 4468 return null; 4469 } 4470 return generateActivityInfo(a, flags, ps.readUserState(userId), userId); 4471 } 4472 if (mResolveComponentName.equals(component)) { 4473 return generateActivityInfo(mResolveActivity, flags, new PackageUserState(), 4474 userId); 4475 } 4476 } 4477 return null; 4478 } 4479 4480 @Override 4481 public boolean activitySupportsIntent(ComponentName component, Intent intent, 4482 String resolvedType) { 4483 synchronized (mPackages) { 4484 if (component.equals(mResolveComponentName)) { 4485 // The resolver supports EVERYTHING! 4486 return true; 4487 } 4488 final int callingUid = Binder.getCallingUid(); 4489 final int callingUserId = UserHandle.getUserId(callingUid); 4490 PackageParser.Activity a = mActivities.mActivities.get(component); 4491 if (a == null) { 4492 return false; 4493 } 4494 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4495 if (ps == null) { 4496 return false; 4497 } 4498 if (filterAppAccessLPr(ps, callingUid, component, TYPE_ACTIVITY, callingUserId)) { 4499 return false; 4500 } 4501 for (int i=0; i<a.intents.size(); i++) { 4502 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 4503 intent.getData(), intent.getCategories(), TAG) >= 0) { 4504 return true; 4505 } 4506 } 4507 return false; 4508 } 4509 } 4510 4511 @Override 4512 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 4513 if (!sUserManager.exists(userId)) return null; 4514 final int callingUid = Binder.getCallingUid(); 4515 flags = updateFlagsForComponent(flags, userId, component); 4516 enforceCrossUserPermission(callingUid, userId, 4517 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 4518 synchronized (mPackages) { 4519 PackageParser.Activity a = mReceivers.mActivities.get(component); 4520 if (DEBUG_PACKAGE_INFO) Log.v( 4521 TAG, "getReceiverInfo " + component + ": " + a); 4522 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 4523 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4524 if (ps == null) return null; 4525 if (filterAppAccessLPr(ps, callingUid, component, TYPE_RECEIVER, userId)) { 4526 return null; 4527 } 4528 return generateActivityInfo(a, flags, ps.readUserState(userId), userId); 4529 } 4530 } 4531 return null; 4532 } 4533 4534 @Override 4535 public ParceledListSlice<SharedLibraryInfo> getSharedLibraries(String packageName, 4536 int flags, int userId) { 4537 if (!sUserManager.exists(userId)) return null; 4538 Preconditions.checkArgumentNonnegative(userId, "userId must be >= 0"); 4539 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 4540 return null; 4541 } 4542 4543 flags = updateFlagsForPackage(flags, userId, null); 4544 4545 final boolean canSeeStaticLibraries = 4546 mContext.checkCallingOrSelfPermission(INSTALL_PACKAGES) 4547 == PERMISSION_GRANTED 4548 || mContext.checkCallingOrSelfPermission(DELETE_PACKAGES) 4549 == PERMISSION_GRANTED 4550 || canRequestPackageInstallsInternal(packageName, 4551 PackageManager.MATCH_STATIC_SHARED_LIBRARIES, userId, 4552 false /* throwIfPermNotDeclared*/) 4553 || mContext.checkCallingOrSelfPermission(REQUEST_DELETE_PACKAGES) 4554 == PERMISSION_GRANTED; 4555 4556 synchronized (mPackages) { 4557 List<SharedLibraryInfo> result = null; 4558 4559 final int libCount = mSharedLibraries.size(); 4560 for (int i = 0; i < libCount; i++) { 4561 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 4562 if (versionedLib == null) { 4563 continue; 4564 } 4565 4566 final int versionCount = versionedLib.size(); 4567 for (int j = 0; j < versionCount; j++) { 4568 SharedLibraryInfo libInfo = versionedLib.valueAt(j).info; 4569 if (!canSeeStaticLibraries && libInfo.isStatic()) { 4570 break; 4571 } 4572 final long identity = Binder.clearCallingIdentity(); 4573 try { 4574 PackageInfo packageInfo = getPackageInfoVersioned( 4575 libInfo.getDeclaringPackage(), flags 4576 | PackageManager.MATCH_STATIC_SHARED_LIBRARIES, userId); 4577 if (packageInfo == null) { 4578 continue; 4579 } 4580 } finally { 4581 Binder.restoreCallingIdentity(identity); 4582 } 4583 4584 SharedLibraryInfo resLibInfo = new SharedLibraryInfo(libInfo.getName(), 4585 libInfo.getVersion(), libInfo.getType(), 4586 libInfo.getDeclaringPackage(), getPackagesUsingSharedLibraryLPr(libInfo, 4587 flags, userId)); 4588 4589 if (result == null) { 4590 result = new ArrayList<>(); 4591 } 4592 result.add(resLibInfo); 4593 } 4594 } 4595 4596 return result != null ? new ParceledListSlice<>(result) : null; 4597 } 4598 } 4599 4600 private List<VersionedPackage> getPackagesUsingSharedLibraryLPr( 4601 SharedLibraryInfo libInfo, int flags, int userId) { 4602 List<VersionedPackage> versionedPackages = null; 4603 final int packageCount = mSettings.mPackages.size(); 4604 for (int i = 0; i < packageCount; i++) { 4605 PackageSetting ps = mSettings.mPackages.valueAt(i); 4606 4607 if (ps == null) { 4608 continue; 4609 } 4610 4611 if (!ps.getUserState().get(userId).isAvailable(flags)) { 4612 continue; 4613 } 4614 4615 final String libName = libInfo.getName(); 4616 if (libInfo.isStatic()) { 4617 final int libIdx = ArrayUtils.indexOf(ps.usesStaticLibraries, libName); 4618 if (libIdx < 0) { 4619 continue; 4620 } 4621 if (ps.usesStaticLibrariesVersions[libIdx] != libInfo.getVersion()) { 4622 continue; 4623 } 4624 if (versionedPackages == null) { 4625 versionedPackages = new ArrayList<>(); 4626 } 4627 // If the dependent is a static shared lib, use the public package name 4628 String dependentPackageName = ps.name; 4629 if (ps.pkg != null && ps.pkg.applicationInfo.isStaticSharedLibrary()) { 4630 dependentPackageName = ps.pkg.manifestPackageName; 4631 } 4632 versionedPackages.add(new VersionedPackage(dependentPackageName, ps.versionCode)); 4633 } else if (ps.pkg != null) { 4634 if (ArrayUtils.contains(ps.pkg.usesLibraries, libName) 4635 || ArrayUtils.contains(ps.pkg.usesOptionalLibraries, libName)) { 4636 if (versionedPackages == null) { 4637 versionedPackages = new ArrayList<>(); 4638 } 4639 versionedPackages.add(new VersionedPackage(ps.name, ps.versionCode)); 4640 } 4641 } 4642 } 4643 4644 return versionedPackages; 4645 } 4646 4647 @Override 4648 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 4649 if (!sUserManager.exists(userId)) return null; 4650 final int callingUid = Binder.getCallingUid(); 4651 flags = updateFlagsForComponent(flags, userId, component); 4652 enforceCrossUserPermission(callingUid, userId, 4653 false /* requireFullPermission */, false /* checkShell */, "get service info"); 4654 synchronized (mPackages) { 4655 PackageParser.Service s = mServices.mServices.get(component); 4656 if (DEBUG_PACKAGE_INFO) Log.v( 4657 TAG, "getServiceInfo " + component + ": " + s); 4658 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 4659 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4660 if (ps == null) return null; 4661 if (filterAppAccessLPr(ps, callingUid, component, TYPE_SERVICE, userId)) { 4662 return null; 4663 } 4664 ServiceInfo si = PackageParser.generateServiceInfo(s, flags, 4665 ps.readUserState(userId), userId); 4666 if (si != null) { 4667 rebaseEnabledOverlays(si.applicationInfo, userId); 4668 } 4669 return si; 4670 } 4671 } 4672 return null; 4673 } 4674 4675 @Override 4676 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 4677 if (!sUserManager.exists(userId)) return null; 4678 final int callingUid = Binder.getCallingUid(); 4679 flags = updateFlagsForComponent(flags, userId, component); 4680 enforceCrossUserPermission(callingUid, userId, 4681 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 4682 synchronized (mPackages) { 4683 PackageParser.Provider p = mProviders.mProviders.get(component); 4684 if (DEBUG_PACKAGE_INFO) Log.v( 4685 TAG, "getProviderInfo " + component + ": " + p); 4686 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 4687 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4688 if (ps == null) return null; 4689 if (filterAppAccessLPr(ps, callingUid, component, TYPE_PROVIDER, userId)) { 4690 return null; 4691 } 4692 ProviderInfo pi = PackageParser.generateProviderInfo(p, flags, 4693 ps.readUserState(userId), userId); 4694 if (pi != null) { 4695 rebaseEnabledOverlays(pi.applicationInfo, userId); 4696 } 4697 return pi; 4698 } 4699 } 4700 return null; 4701 } 4702 4703 @Override 4704 public String[] getSystemSharedLibraryNames() { 4705 // allow instant applications 4706 synchronized (mPackages) { 4707 Set<String> libs = null; 4708 final int libCount = mSharedLibraries.size(); 4709 for (int i = 0; i < libCount; i++) { 4710 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 4711 if (versionedLib == null) { 4712 continue; 4713 } 4714 final int versionCount = versionedLib.size(); 4715 for (int j = 0; j < versionCount; j++) { 4716 SharedLibraryEntry libEntry = versionedLib.valueAt(j); 4717 if (!libEntry.info.isStatic()) { 4718 if (libs == null) { 4719 libs = new ArraySet<>(); 4720 } 4721 libs.add(libEntry.info.getName()); 4722 break; 4723 } 4724 PackageSetting ps = mSettings.getPackageLPr(libEntry.apk); 4725 if (ps != null && !filterSharedLibPackageLPr(ps, Binder.getCallingUid(), 4726 UserHandle.getUserId(Binder.getCallingUid()), 4727 PackageManager.MATCH_STATIC_SHARED_LIBRARIES)) { 4728 if (libs == null) { 4729 libs = new ArraySet<>(); 4730 } 4731 libs.add(libEntry.info.getName()); 4732 break; 4733 } 4734 } 4735 } 4736 4737 if (libs != null) { 4738 String[] libsArray = new String[libs.size()]; 4739 libs.toArray(libsArray); 4740 return libsArray; 4741 } 4742 4743 return null; 4744 } 4745 } 4746 4747 @Override 4748 public @NonNull String getServicesSystemSharedLibraryPackageName() { 4749 // allow instant applications 4750 synchronized (mPackages) { 4751 return mServicesSystemSharedLibraryPackageName; 4752 } 4753 } 4754 4755 @Override 4756 public @NonNull String getSharedSystemSharedLibraryPackageName() { 4757 // allow instant applications 4758 synchronized (mPackages) { 4759 return mSharedSystemSharedLibraryPackageName; 4760 } 4761 } 4762 4763 private void updateSequenceNumberLP(String packageName, int[] userList) { 4764 for (int i = userList.length - 1; i >= 0; --i) { 4765 final int userId = userList[i]; 4766 SparseArray<String> changedPackages = mChangedPackages.get(userId); 4767 if (changedPackages == null) { 4768 changedPackages = new SparseArray<>(); 4769 mChangedPackages.put(userId, changedPackages); 4770 } 4771 Map<String, Integer> sequenceNumbers = mChangedPackagesSequenceNumbers.get(userId); 4772 if (sequenceNumbers == null) { 4773 sequenceNumbers = new HashMap<>(); 4774 mChangedPackagesSequenceNumbers.put(userId, sequenceNumbers); 4775 } 4776 final Integer sequenceNumber = sequenceNumbers.get(packageName); 4777 if (sequenceNumber != null) { 4778 changedPackages.remove(sequenceNumber); 4779 } 4780 changedPackages.put(mChangedPackagesSequenceNumber, packageName); 4781 sequenceNumbers.put(packageName, mChangedPackagesSequenceNumber); 4782 } 4783 mChangedPackagesSequenceNumber++; 4784 } 4785 4786 @Override 4787 public ChangedPackages getChangedPackages(int sequenceNumber, int userId) { 4788 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 4789 return null; 4790 } 4791 synchronized (mPackages) { 4792 if (sequenceNumber >= mChangedPackagesSequenceNumber) { 4793 return null; 4794 } 4795 final SparseArray<String> changedPackages = mChangedPackages.get(userId); 4796 if (changedPackages == null) { 4797 return null; 4798 } 4799 final List<String> packageNames = 4800 new ArrayList<>(mChangedPackagesSequenceNumber - sequenceNumber); 4801 for (int i = sequenceNumber; i < mChangedPackagesSequenceNumber; i++) { 4802 final String packageName = changedPackages.get(i); 4803 if (packageName != null) { 4804 packageNames.add(packageName); 4805 } 4806 } 4807 return packageNames.isEmpty() 4808 ? null : new ChangedPackages(mChangedPackagesSequenceNumber, packageNames); 4809 } 4810 } 4811 4812 @Override 4813 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 4814 // allow instant applications 4815 ArrayList<FeatureInfo> res; 4816 synchronized (mAvailableFeatures) { 4817 res = new ArrayList<>(mAvailableFeatures.size() + 1); 4818 res.addAll(mAvailableFeatures.values()); 4819 } 4820 final FeatureInfo fi = new FeatureInfo(); 4821 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 4822 FeatureInfo.GL_ES_VERSION_UNDEFINED); 4823 res.add(fi); 4824 4825 return new ParceledListSlice<>(res); 4826 } 4827 4828 @Override 4829 public boolean hasSystemFeature(String name, int version) { 4830 // allow instant applications 4831 synchronized (mAvailableFeatures) { 4832 final FeatureInfo feat = mAvailableFeatures.get(name); 4833 if (feat == null) { 4834 return false; 4835 } else { 4836 return feat.version >= version; 4837 } 4838 } 4839 } 4840 4841 @Override 4842 public int checkPermission(String permName, String pkgName, int userId) { 4843 if (!sUserManager.exists(userId)) { 4844 return PackageManager.PERMISSION_DENIED; 4845 } 4846 final int callingUid = Binder.getCallingUid(); 4847 4848 synchronized (mPackages) { 4849 final PackageParser.Package p = mPackages.get(pkgName); 4850 if (p != null && p.mExtras != null) { 4851 final PackageSetting ps = (PackageSetting) p.mExtras; 4852 if (filterAppAccessLPr(ps, callingUid, userId)) { 4853 return PackageManager.PERMISSION_DENIED; 4854 } 4855 final boolean instantApp = ps.getInstantApp(userId); 4856 final PermissionsState permissionsState = ps.getPermissionsState(); 4857 if (permissionsState.hasPermission(permName, userId)) { 4858 if (instantApp) { 4859 BasePermission bp = mSettings.mPermissions.get(permName); 4860 if (bp != null && bp.isInstant()) { 4861 return PackageManager.PERMISSION_GRANTED; 4862 } 4863 } else { 4864 return PackageManager.PERMISSION_GRANTED; 4865 } 4866 } 4867 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 4868 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 4869 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 4870 return PackageManager.PERMISSION_GRANTED; 4871 } 4872 } 4873 } 4874 4875 return PackageManager.PERMISSION_DENIED; 4876 } 4877 4878 @Override 4879 public int checkUidPermission(String permName, int uid) { 4880 final int callingUid = Binder.getCallingUid(); 4881 final int callingUserId = UserHandle.getUserId(callingUid); 4882 final boolean isCallerInstantApp = getInstantAppPackageName(callingUid) != null; 4883 final boolean isUidInstantApp = getInstantAppPackageName(uid) != null; 4884 final int userId = UserHandle.getUserId(uid); 4885 if (!sUserManager.exists(userId)) { 4886 return PackageManager.PERMISSION_DENIED; 4887 } 4888 4889 synchronized (mPackages) { 4890 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4891 if (obj != null) { 4892 if (obj instanceof SharedUserSetting) { 4893 if (isCallerInstantApp) { 4894 return PackageManager.PERMISSION_DENIED; 4895 } 4896 } else if (obj instanceof PackageSetting) { 4897 final PackageSetting ps = (PackageSetting) obj; 4898 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 4899 return PackageManager.PERMISSION_DENIED; 4900 } 4901 } 4902 final SettingBase settingBase = (SettingBase) obj; 4903 final PermissionsState permissionsState = settingBase.getPermissionsState(); 4904 if (permissionsState.hasPermission(permName, userId)) { 4905 if (isUidInstantApp) { 4906 BasePermission bp = mSettings.mPermissions.get(permName); 4907 if (bp != null && bp.isInstant()) { 4908 return PackageManager.PERMISSION_GRANTED; 4909 } 4910 } else { 4911 return PackageManager.PERMISSION_GRANTED; 4912 } 4913 } 4914 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 4915 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 4916 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 4917 return PackageManager.PERMISSION_GRANTED; 4918 } 4919 } else { 4920 ArraySet<String> perms = mSystemPermissions.get(uid); 4921 if (perms != null) { 4922 if (perms.contains(permName)) { 4923 return PackageManager.PERMISSION_GRANTED; 4924 } 4925 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 4926 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 4927 return PackageManager.PERMISSION_GRANTED; 4928 } 4929 } 4930 } 4931 } 4932 4933 return PackageManager.PERMISSION_DENIED; 4934 } 4935 4936 @Override 4937 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 4938 if (UserHandle.getCallingUserId() != userId) { 4939 mContext.enforceCallingPermission( 4940 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4941 "isPermissionRevokedByPolicy for user " + userId); 4942 } 4943 4944 if (checkPermission(permission, packageName, userId) 4945 == PackageManager.PERMISSION_GRANTED) { 4946 return false; 4947 } 4948 4949 final int callingUid = Binder.getCallingUid(); 4950 if (getInstantAppPackageName(callingUid) != null) { 4951 if (!isCallerSameApp(packageName, callingUid)) { 4952 return false; 4953 } 4954 } else { 4955 if (isInstantApp(packageName, userId)) { 4956 return false; 4957 } 4958 } 4959 4960 final long identity = Binder.clearCallingIdentity(); 4961 try { 4962 final int flags = getPermissionFlags(permission, packageName, userId); 4963 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 4964 } finally { 4965 Binder.restoreCallingIdentity(identity); 4966 } 4967 } 4968 4969 @Override 4970 public String getPermissionControllerPackageName() { 4971 synchronized (mPackages) { 4972 return mRequiredInstallerPackage; 4973 } 4974 } 4975 4976 /** 4977 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 4978 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 4979 * @param checkShell whether to prevent shell from access if there's a debugging restriction 4980 * @param message the message to log on security exception 4981 */ 4982 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 4983 boolean checkShell, String message) { 4984 if (userId < 0) { 4985 throw new IllegalArgumentException("Invalid userId " + userId); 4986 } 4987 if (checkShell) { 4988 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 4989 } 4990 if (userId == UserHandle.getUserId(callingUid)) return; 4991 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4992 if (requireFullPermission) { 4993 mContext.enforceCallingOrSelfPermission( 4994 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 4995 } else { 4996 try { 4997 mContext.enforceCallingOrSelfPermission( 4998 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 4999 } catch (SecurityException se) { 5000 mContext.enforceCallingOrSelfPermission( 5001 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 5002 } 5003 } 5004 } 5005 } 5006 5007 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 5008 if (callingUid == Process.SHELL_UID) { 5009 if (userHandle >= 0 5010 && sUserManager.hasUserRestriction(restriction, userHandle)) { 5011 throw new SecurityException("Shell does not have permission to access user " 5012 + userHandle); 5013 } else if (userHandle < 0) { 5014 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 5015 + Debug.getCallers(3)); 5016 } 5017 } 5018 } 5019 5020 private BasePermission findPermissionTreeLP(String permName) { 5021 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 5022 if (permName.startsWith(bp.name) && 5023 permName.length() > bp.name.length() && 5024 permName.charAt(bp.name.length()) == '.') { 5025 return bp; 5026 } 5027 } 5028 return null; 5029 } 5030 5031 private BasePermission checkPermissionTreeLP(String permName) { 5032 if (permName != null) { 5033 BasePermission bp = findPermissionTreeLP(permName); 5034 if (bp != null) { 5035 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 5036 return bp; 5037 } 5038 throw new SecurityException("Calling uid " 5039 + Binder.getCallingUid() 5040 + " is not allowed to add to permission tree " 5041 + bp.name + " owned by uid " + bp.uid); 5042 } 5043 } 5044 throw new SecurityException("No permission tree found for " + permName); 5045 } 5046 5047 static boolean compareStrings(CharSequence s1, CharSequence s2) { 5048 if (s1 == null) { 5049 return s2 == null; 5050 } 5051 if (s2 == null) { 5052 return false; 5053 } 5054 if (s1.getClass() != s2.getClass()) { 5055 return false; 5056 } 5057 return s1.equals(s2); 5058 } 5059 5060 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 5061 if (pi1.icon != pi2.icon) return false; 5062 if (pi1.logo != pi2.logo) return false; 5063 if (pi1.protectionLevel != pi2.protectionLevel) return false; 5064 if (!compareStrings(pi1.name, pi2.name)) return false; 5065 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 5066 // We'll take care of setting this one. 5067 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 5068 // These are not currently stored in settings. 5069 //if (!compareStrings(pi1.group, pi2.group)) return false; 5070 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 5071 //if (pi1.labelRes != pi2.labelRes) return false; 5072 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 5073 return true; 5074 } 5075 5076 int permissionInfoFootprint(PermissionInfo info) { 5077 int size = info.name.length(); 5078 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 5079 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 5080 return size; 5081 } 5082 5083 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 5084 int size = 0; 5085 for (BasePermission perm : mSettings.mPermissions.values()) { 5086 if (perm.uid == tree.uid) { 5087 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 5088 } 5089 } 5090 return size; 5091 } 5092 5093 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 5094 // We calculate the max size of permissions defined by this uid and throw 5095 // if that plus the size of 'info' would exceed our stated maximum. 5096 if (tree.uid != Process.SYSTEM_UID) { 5097 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 5098 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 5099 throw new SecurityException("Permission tree size cap exceeded"); 5100 } 5101 } 5102 } 5103 5104 boolean addPermissionLocked(PermissionInfo info, boolean async) { 5105 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 5106 throw new SecurityException("Instant apps can't add permissions"); 5107 } 5108 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 5109 throw new SecurityException("Label must be specified in permission"); 5110 } 5111 BasePermission tree = checkPermissionTreeLP(info.name); 5112 BasePermission bp = mSettings.mPermissions.get(info.name); 5113 boolean added = bp == null; 5114 boolean changed = true; 5115 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 5116 if (added) { 5117 enforcePermissionCapLocked(info, tree); 5118 bp = new BasePermission(info.name, tree.sourcePackage, 5119 BasePermission.TYPE_DYNAMIC); 5120 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 5121 throw new SecurityException( 5122 "Not allowed to modify non-dynamic permission " 5123 + info.name); 5124 } else { 5125 if (bp.protectionLevel == fixedLevel 5126 && bp.perm.owner.equals(tree.perm.owner) 5127 && bp.uid == tree.uid 5128 && comparePermissionInfos(bp.perm.info, info)) { 5129 changed = false; 5130 } 5131 } 5132 bp.protectionLevel = fixedLevel; 5133 info = new PermissionInfo(info); 5134 info.protectionLevel = fixedLevel; 5135 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 5136 bp.perm.info.packageName = tree.perm.info.packageName; 5137 bp.uid = tree.uid; 5138 if (added) { 5139 mSettings.mPermissions.put(info.name, bp); 5140 } 5141 if (changed) { 5142 if (!async) { 5143 mSettings.writeLPr(); 5144 } else { 5145 scheduleWriteSettingsLocked(); 5146 } 5147 } 5148 return added; 5149 } 5150 5151 @Override 5152 public boolean addPermission(PermissionInfo info) { 5153 synchronized (mPackages) { 5154 return addPermissionLocked(info, false); 5155 } 5156 } 5157 5158 @Override 5159 public boolean addPermissionAsync(PermissionInfo info) { 5160 synchronized (mPackages) { 5161 return addPermissionLocked(info, true); 5162 } 5163 } 5164 5165 @Override 5166 public void removePermission(String name) { 5167 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 5168 throw new SecurityException("Instant applications don't have access to this method"); 5169 } 5170 synchronized (mPackages) { 5171 checkPermissionTreeLP(name); 5172 BasePermission bp = mSettings.mPermissions.get(name); 5173 if (bp != null) { 5174 if (bp.type != BasePermission.TYPE_DYNAMIC) { 5175 throw new SecurityException( 5176 "Not allowed to modify non-dynamic permission " 5177 + name); 5178 } 5179 mSettings.mPermissions.remove(name); 5180 mSettings.writeLPr(); 5181 } 5182 } 5183 } 5184 5185 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission( 5186 PackageParser.Package pkg, BasePermission bp) { 5187 int index = pkg.requestedPermissions.indexOf(bp.name); 5188 if (index == -1) { 5189 throw new SecurityException("Package " + pkg.packageName 5190 + " has not requested permission " + bp.name); 5191 } 5192 if (!bp.isRuntime() && !bp.isDevelopment()) { 5193 throw new SecurityException("Permission " + bp.name 5194 + " is not a changeable permission type"); 5195 } 5196 } 5197 5198 @Override 5199 public void grantRuntimePermission(String packageName, String name, final int userId) { 5200 grantRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 5201 } 5202 5203 private void grantRuntimePermission(String packageName, String name, final int userId, 5204 boolean overridePolicy) { 5205 if (!sUserManager.exists(userId)) { 5206 Log.e(TAG, "No such user:" + userId); 5207 return; 5208 } 5209 5210 mContext.enforceCallingOrSelfPermission( 5211 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 5212 "grantRuntimePermission"); 5213 5214 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5215 true /* requireFullPermission */, true /* checkShell */, 5216 "grantRuntimePermission"); 5217 5218 final int uid; 5219 final SettingBase sb; 5220 5221 synchronized (mPackages) { 5222 final PackageParser.Package pkg = mPackages.get(packageName); 5223 if (pkg == null) { 5224 throw new IllegalArgumentException("Unknown package: " + packageName); 5225 } 5226 5227 final BasePermission bp = mSettings.mPermissions.get(name); 5228 if (bp == null) { 5229 throw new IllegalArgumentException("Unknown permission: " + name); 5230 } 5231 5232 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 5233 5234 // If a permission review is required for legacy apps we represent 5235 // their permissions as always granted runtime ones since we need 5236 // to keep the review required permission flag per user while an 5237 // install permission's state is shared across all users. 5238 if (mPermissionReviewRequired 5239 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 5240 && bp.isRuntime()) { 5241 return; 5242 } 5243 5244 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 5245 sb = (SettingBase) pkg.mExtras; 5246 if (sb == null) { 5247 throw new IllegalArgumentException("Unknown package: " + packageName); 5248 } 5249 5250 final PermissionsState permissionsState = sb.getPermissionsState(); 5251 5252 final int flags = permissionsState.getPermissionFlags(name, userId); 5253 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 5254 throw new SecurityException("Cannot grant system fixed permission " 5255 + name + " for package " + packageName); 5256 } 5257 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 5258 throw new SecurityException("Cannot grant policy fixed permission " 5259 + name + " for package " + packageName); 5260 } 5261 5262 if (bp.isDevelopment()) { 5263 // Development permissions must be handled specially, since they are not 5264 // normal runtime permissions. For now they apply to all users. 5265 if (permissionsState.grantInstallPermission(bp) != 5266 PermissionsState.PERMISSION_OPERATION_FAILURE) { 5267 scheduleWriteSettingsLocked(); 5268 } 5269 return; 5270 } 5271 5272 final PackageSetting ps = mSettings.mPackages.get(packageName); 5273 if (ps.getInstantApp(userId) && !bp.isInstant()) { 5274 throw new SecurityException("Cannot grant non-ephemeral permission" 5275 + name + " for package " + packageName); 5276 } 5277 5278 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 5279 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 5280 return; 5281 } 5282 5283 final int result = permissionsState.grantRuntimePermission(bp, userId); 5284 switch (result) { 5285 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 5286 return; 5287 } 5288 5289 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 5290 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 5291 mHandler.post(new Runnable() { 5292 @Override 5293 public void run() { 5294 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 5295 } 5296 }); 5297 } 5298 break; 5299 } 5300 5301 if (bp.isRuntime()) { 5302 logPermissionGranted(mContext, name, packageName); 5303 } 5304 5305 mOnPermissionChangeListeners.onPermissionsChanged(uid); 5306 5307 // Not critical if that is lost - app has to request again. 5308 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 5309 } 5310 5311 // Only need to do this if user is initialized. Otherwise it's a new user 5312 // and there are no processes running as the user yet and there's no need 5313 // to make an expensive call to remount processes for the changed permissions. 5314 if (READ_EXTERNAL_STORAGE.equals(name) 5315 || WRITE_EXTERNAL_STORAGE.equals(name)) { 5316 final long token = Binder.clearCallingIdentity(); 5317 try { 5318 if (sUserManager.isInitialized(userId)) { 5319 StorageManagerInternal storageManagerInternal = LocalServices.getService( 5320 StorageManagerInternal.class); 5321 storageManagerInternal.onExternalStoragePolicyChanged(uid, packageName); 5322 } 5323 } finally { 5324 Binder.restoreCallingIdentity(token); 5325 } 5326 } 5327 } 5328 5329 @Override 5330 public void revokeRuntimePermission(String packageName, String name, int userId) { 5331 revokeRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 5332 } 5333 5334 private void revokeRuntimePermission(String packageName, String name, int userId, 5335 boolean overridePolicy) { 5336 if (!sUserManager.exists(userId)) { 5337 Log.e(TAG, "No such user:" + userId); 5338 return; 5339 } 5340 5341 mContext.enforceCallingOrSelfPermission( 5342 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 5343 "revokeRuntimePermission"); 5344 5345 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5346 true /* requireFullPermission */, true /* checkShell */, 5347 "revokeRuntimePermission"); 5348 5349 final int appId; 5350 5351 synchronized (mPackages) { 5352 final PackageParser.Package pkg = mPackages.get(packageName); 5353 if (pkg == null) { 5354 throw new IllegalArgumentException("Unknown package: " + packageName); 5355 } 5356 5357 final BasePermission bp = mSettings.mPermissions.get(name); 5358 if (bp == null) { 5359 throw new IllegalArgumentException("Unknown permission: " + name); 5360 } 5361 5362 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 5363 5364 // If a permission review is required for legacy apps we represent 5365 // their permissions as always granted runtime ones since we need 5366 // to keep the review required permission flag per user while an 5367 // install permission's state is shared across all users. 5368 if (mPermissionReviewRequired 5369 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 5370 && bp.isRuntime()) { 5371 return; 5372 } 5373 5374 SettingBase sb = (SettingBase) pkg.mExtras; 5375 if (sb == null) { 5376 throw new IllegalArgumentException("Unknown package: " + packageName); 5377 } 5378 5379 final PermissionsState permissionsState = sb.getPermissionsState(); 5380 5381 final int flags = permissionsState.getPermissionFlags(name, userId); 5382 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 5383 throw new SecurityException("Cannot revoke system fixed permission " 5384 + name + " for package " + packageName); 5385 } 5386 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 5387 throw new SecurityException("Cannot revoke policy fixed permission " 5388 + name + " for package " + packageName); 5389 } 5390 5391 if (bp.isDevelopment()) { 5392 // Development permissions must be handled specially, since they are not 5393 // normal runtime permissions. For now they apply to all users. 5394 if (permissionsState.revokeInstallPermission(bp) != 5395 PermissionsState.PERMISSION_OPERATION_FAILURE) { 5396 scheduleWriteSettingsLocked(); 5397 } 5398 return; 5399 } 5400 5401 if (permissionsState.revokeRuntimePermission(bp, userId) == 5402 PermissionsState.PERMISSION_OPERATION_FAILURE) { 5403 return; 5404 } 5405 5406 if (bp.isRuntime()) { 5407 logPermissionRevoked(mContext, name, packageName); 5408 } 5409 5410 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 5411 5412 // Critical, after this call app should never have the permission. 5413 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 5414 5415 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 5416 } 5417 5418 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 5419 } 5420 5421 /** 5422 * Get the first event id for the permission. 5423 * 5424 * <p>There are four events for each permission: <ul> 5425 * <li>Request permission: first id + 0</li> 5426 * <li>Grant permission: first id + 1</li> 5427 * <li>Request for permission denied: first id + 2</li> 5428 * <li>Revoke permission: first id + 3</li> 5429 * </ul></p> 5430 * 5431 * @param name name of the permission 5432 * 5433 * @return The first event id for the permission 5434 */ 5435 private static int getBaseEventId(@NonNull String name) { 5436 int eventIdIndex = ALL_DANGEROUS_PERMISSIONS.indexOf(name); 5437 5438 if (eventIdIndex == -1) { 5439 if (AppOpsManager.permissionToOpCode(name) == AppOpsManager.OP_NONE 5440 || "user".equals(Build.TYPE)) { 5441 Log.i(TAG, "Unknown permission " + name); 5442 5443 return MetricsEvent.ACTION_PERMISSION_REQUEST_UNKNOWN; 5444 } else { 5445 // Most likely #ALL_DANGEROUS_PERMISSIONS needs to be updated. 5446 // 5447 // Also update 5448 // - EventLogger#ALL_DANGEROUS_PERMISSIONS 5449 // - metrics_constants.proto 5450 throw new IllegalStateException("Unknown permission " + name); 5451 } 5452 } 5453 5454 return MetricsEvent.ACTION_PERMISSION_REQUEST_READ_CALENDAR + eventIdIndex * 4; 5455 } 5456 5457 /** 5458 * Log that a permission was revoked. 5459 * 5460 * @param context Context of the caller 5461 * @param name name of the permission 5462 * @param packageName package permission if for 5463 */ 5464 private static void logPermissionRevoked(@NonNull Context context, @NonNull String name, 5465 @NonNull String packageName) { 5466 MetricsLogger.action(context, getBaseEventId(name) + 3, packageName); 5467 } 5468 5469 /** 5470 * Log that a permission request was granted. 5471 * 5472 * @param context Context of the caller 5473 * @param name name of the permission 5474 * @param packageName package permission if for 5475 */ 5476 private static void logPermissionGranted(@NonNull Context context, @NonNull String name, 5477 @NonNull String packageName) { 5478 MetricsLogger.action(context, getBaseEventId(name) + 1, packageName); 5479 } 5480 5481 @Override 5482 public void resetRuntimePermissions() { 5483 mContext.enforceCallingOrSelfPermission( 5484 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 5485 "revokeRuntimePermission"); 5486 5487 int callingUid = Binder.getCallingUid(); 5488 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 5489 mContext.enforceCallingOrSelfPermission( 5490 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 5491 "resetRuntimePermissions"); 5492 } 5493 5494 synchronized (mPackages) { 5495 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 5496 for (int userId : UserManagerService.getInstance().getUserIds()) { 5497 final int packageCount = mPackages.size(); 5498 for (int i = 0; i < packageCount; i++) { 5499 PackageParser.Package pkg = mPackages.valueAt(i); 5500 if (!(pkg.mExtras instanceof PackageSetting)) { 5501 continue; 5502 } 5503 PackageSetting ps = (PackageSetting) pkg.mExtras; 5504 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 5505 } 5506 } 5507 } 5508 } 5509 5510 @Override 5511 public int getPermissionFlags(String name, String packageName, int userId) { 5512 if (!sUserManager.exists(userId)) { 5513 return 0; 5514 } 5515 5516 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 5517 5518 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5519 true /* requireFullPermission */, false /* checkShell */, 5520 "getPermissionFlags"); 5521 5522 synchronized (mPackages) { 5523 final PackageParser.Package pkg = mPackages.get(packageName); 5524 if (pkg == null) { 5525 return 0; 5526 } 5527 5528 final BasePermission bp = mSettings.mPermissions.get(name); 5529 if (bp == null) { 5530 return 0; 5531 } 5532 5533 SettingBase sb = (SettingBase) pkg.mExtras; 5534 if (sb == null) { 5535 return 0; 5536 } 5537 5538 PermissionsState permissionsState = sb.getPermissionsState(); 5539 return permissionsState.getPermissionFlags(name, userId); 5540 } 5541 } 5542 5543 @Override 5544 public void updatePermissionFlags(String name, String packageName, int flagMask, 5545 int flagValues, int userId) { 5546 if (!sUserManager.exists(userId)) { 5547 return; 5548 } 5549 5550 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 5551 5552 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5553 true /* requireFullPermission */, true /* checkShell */, 5554 "updatePermissionFlags"); 5555 5556 // Only the system can change these flags and nothing else. 5557 if (getCallingUid() != Process.SYSTEM_UID) { 5558 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5559 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5560 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 5561 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 5562 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 5563 } 5564 5565 synchronized (mPackages) { 5566 final PackageParser.Package pkg = mPackages.get(packageName); 5567 if (pkg == null) { 5568 throw new IllegalArgumentException("Unknown package: " + packageName); 5569 } 5570 5571 final BasePermission bp = mSettings.mPermissions.get(name); 5572 if (bp == null) { 5573 throw new IllegalArgumentException("Unknown permission: " + name); 5574 } 5575 5576 SettingBase sb = (SettingBase) pkg.mExtras; 5577 if (sb == null) { 5578 throw new IllegalArgumentException("Unknown package: " + packageName); 5579 } 5580 5581 PermissionsState permissionsState = sb.getPermissionsState(); 5582 5583 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 5584 5585 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 5586 // Install and runtime permissions are stored in different places, 5587 // so figure out what permission changed and persist the change. 5588 if (permissionsState.getInstallPermissionState(name) != null) { 5589 scheduleWriteSettingsLocked(); 5590 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 5591 || hadState) { 5592 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 5593 } 5594 } 5595 } 5596 } 5597 5598 /** 5599 * Update the permission flags for all packages and runtime permissions of a user in order 5600 * to allow device or profile owner to remove POLICY_FIXED. 5601 */ 5602 @Override 5603 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 5604 if (!sUserManager.exists(userId)) { 5605 return; 5606 } 5607 5608 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 5609 5610 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5611 true /* requireFullPermission */, true /* checkShell */, 5612 "updatePermissionFlagsForAllApps"); 5613 5614 // Only the system can change system fixed flags. 5615 if (getCallingUid() != Process.SYSTEM_UID) { 5616 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5617 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5618 } 5619 5620 synchronized (mPackages) { 5621 boolean changed = false; 5622 final int packageCount = mPackages.size(); 5623 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 5624 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 5625 SettingBase sb = (SettingBase) pkg.mExtras; 5626 if (sb == null) { 5627 continue; 5628 } 5629 PermissionsState permissionsState = sb.getPermissionsState(); 5630 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 5631 userId, flagMask, flagValues); 5632 } 5633 if (changed) { 5634 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 5635 } 5636 } 5637 } 5638 5639 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 5640 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 5641 != PackageManager.PERMISSION_GRANTED 5642 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 5643 != PackageManager.PERMISSION_GRANTED) { 5644 throw new SecurityException(message + " requires " 5645 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 5646 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 5647 } 5648 } 5649 5650 @Override 5651 public boolean shouldShowRequestPermissionRationale(String permissionName, 5652 String packageName, int userId) { 5653 if (UserHandle.getCallingUserId() != userId) { 5654 mContext.enforceCallingPermission( 5655 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 5656 "canShowRequestPermissionRationale for user " + userId); 5657 } 5658 5659 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 5660 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 5661 return false; 5662 } 5663 5664 if (checkPermission(permissionName, packageName, userId) 5665 == PackageManager.PERMISSION_GRANTED) { 5666 return false; 5667 } 5668 5669 final int flags; 5670 5671 final long identity = Binder.clearCallingIdentity(); 5672 try { 5673 flags = getPermissionFlags(permissionName, 5674 packageName, userId); 5675 } finally { 5676 Binder.restoreCallingIdentity(identity); 5677 } 5678 5679 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 5680 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 5681 | PackageManager.FLAG_PERMISSION_USER_FIXED; 5682 5683 if ((flags & fixedFlags) != 0) { 5684 return false; 5685 } 5686 5687 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 5688 } 5689 5690 @Override 5691 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 5692 mContext.enforceCallingOrSelfPermission( 5693 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 5694 "addOnPermissionsChangeListener"); 5695 5696 synchronized (mPackages) { 5697 mOnPermissionChangeListeners.addListenerLocked(listener); 5698 } 5699 } 5700 5701 @Override 5702 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 5703 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 5704 throw new SecurityException("Instant applications don't have access to this method"); 5705 } 5706 synchronized (mPackages) { 5707 mOnPermissionChangeListeners.removeListenerLocked(listener); 5708 } 5709 } 5710 5711 @Override 5712 public boolean isProtectedBroadcast(String actionName) { 5713 // allow instant applications 5714 synchronized (mPackages) { 5715 if (mProtectedBroadcasts.contains(actionName)) { 5716 return true; 5717 } else if (actionName != null) { 5718 // TODO: remove these terrible hacks 5719 if (actionName.startsWith("android.net.netmon.lingerExpired") 5720 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 5721 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 5722 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 5723 return true; 5724 } 5725 } 5726 } 5727 return false; 5728 } 5729 5730 @Override 5731 public int checkSignatures(String pkg1, String pkg2) { 5732 synchronized (mPackages) { 5733 final PackageParser.Package p1 = mPackages.get(pkg1); 5734 final PackageParser.Package p2 = mPackages.get(pkg2); 5735 if (p1 == null || p1.mExtras == null 5736 || p2 == null || p2.mExtras == null) { 5737 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5738 } 5739 final int callingUid = Binder.getCallingUid(); 5740 final int callingUserId = UserHandle.getUserId(callingUid); 5741 final PackageSetting ps1 = (PackageSetting) p1.mExtras; 5742 final PackageSetting ps2 = (PackageSetting) p2.mExtras; 5743 if (filterAppAccessLPr(ps1, callingUid, callingUserId) 5744 || filterAppAccessLPr(ps2, callingUid, callingUserId)) { 5745 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5746 } 5747 return compareSignatures(p1.mSignatures, p2.mSignatures); 5748 } 5749 } 5750 5751 @Override 5752 public int checkUidSignatures(int uid1, int uid2) { 5753 final int callingUid = Binder.getCallingUid(); 5754 final int callingUserId = UserHandle.getUserId(callingUid); 5755 final boolean isCallerInstantApp = getInstantAppPackageName(callingUid) != null; 5756 // Map to base uids. 5757 uid1 = UserHandle.getAppId(uid1); 5758 uid2 = UserHandle.getAppId(uid2); 5759 // reader 5760 synchronized (mPackages) { 5761 Signature[] s1; 5762 Signature[] s2; 5763 Object obj = mSettings.getUserIdLPr(uid1); 5764 if (obj != null) { 5765 if (obj instanceof SharedUserSetting) { 5766 if (isCallerInstantApp) { 5767 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5768 } 5769 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 5770 } else if (obj instanceof PackageSetting) { 5771 final PackageSetting ps = (PackageSetting) obj; 5772 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 5773 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5774 } 5775 s1 = ps.signatures.mSignatures; 5776 } else { 5777 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5778 } 5779 } else { 5780 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5781 } 5782 obj = mSettings.getUserIdLPr(uid2); 5783 if (obj != null) { 5784 if (obj instanceof SharedUserSetting) { 5785 if (isCallerInstantApp) { 5786 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5787 } 5788 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 5789 } else if (obj instanceof PackageSetting) { 5790 final PackageSetting ps = (PackageSetting) obj; 5791 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 5792 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5793 } 5794 s2 = ps.signatures.mSignatures; 5795 } else { 5796 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5797 } 5798 } else { 5799 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5800 } 5801 return compareSignatures(s1, s2); 5802 } 5803 } 5804 5805 /** 5806 * This method should typically only be used when granting or revoking 5807 * permissions, since the app may immediately restart after this call. 5808 * <p> 5809 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 5810 * guard your work against the app being relaunched. 5811 */ 5812 private void killUid(int appId, int userId, String reason) { 5813 final long identity = Binder.clearCallingIdentity(); 5814 try { 5815 IActivityManager am = ActivityManager.getService(); 5816 if (am != null) { 5817 try { 5818 am.killUid(appId, userId, reason); 5819 } catch (RemoteException e) { 5820 /* ignore - same process */ 5821 } 5822 } 5823 } finally { 5824 Binder.restoreCallingIdentity(identity); 5825 } 5826 } 5827 5828 /** 5829 * Compares two sets of signatures. Returns: 5830 * <br /> 5831 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 5832 * <br /> 5833 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 5834 * <br /> 5835 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 5836 * <br /> 5837 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 5838 * <br /> 5839 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 5840 */ 5841 static int compareSignatures(Signature[] s1, Signature[] s2) { 5842 if (s1 == null) { 5843 return s2 == null 5844 ? PackageManager.SIGNATURE_NEITHER_SIGNED 5845 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 5846 } 5847 5848 if (s2 == null) { 5849 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 5850 } 5851 5852 if (s1.length != s2.length) { 5853 return PackageManager.SIGNATURE_NO_MATCH; 5854 } 5855 5856 // Since both signature sets are of size 1, we can compare without HashSets. 5857 if (s1.length == 1) { 5858 return s1[0].equals(s2[0]) ? 5859 PackageManager.SIGNATURE_MATCH : 5860 PackageManager.SIGNATURE_NO_MATCH; 5861 } 5862 5863 ArraySet<Signature> set1 = new ArraySet<Signature>(); 5864 for (Signature sig : s1) { 5865 set1.add(sig); 5866 } 5867 ArraySet<Signature> set2 = new ArraySet<Signature>(); 5868 for (Signature sig : s2) { 5869 set2.add(sig); 5870 } 5871 // Make sure s2 contains all signatures in s1. 5872 if (set1.equals(set2)) { 5873 return PackageManager.SIGNATURE_MATCH; 5874 } 5875 return PackageManager.SIGNATURE_NO_MATCH; 5876 } 5877 5878 /** 5879 * If the database version for this type of package (internal storage or 5880 * external storage) is less than the version where package signatures 5881 * were updated, return true. 5882 */ 5883 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 5884 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 5885 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 5886 } 5887 5888 /** 5889 * Used for backward compatibility to make sure any packages with 5890 * certificate chains get upgraded to the new style. {@code existingSigs} 5891 * will be in the old format (since they were stored on disk from before the 5892 * system upgrade) and {@code scannedSigs} will be in the newer format. 5893 */ 5894 private int compareSignaturesCompat(PackageSignatures existingSigs, 5895 PackageParser.Package scannedPkg) { 5896 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 5897 return PackageManager.SIGNATURE_NO_MATCH; 5898 } 5899 5900 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 5901 for (Signature sig : existingSigs.mSignatures) { 5902 existingSet.add(sig); 5903 } 5904 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 5905 for (Signature sig : scannedPkg.mSignatures) { 5906 try { 5907 Signature[] chainSignatures = sig.getChainSignatures(); 5908 for (Signature chainSig : chainSignatures) { 5909 scannedCompatSet.add(chainSig); 5910 } 5911 } catch (CertificateEncodingException e) { 5912 scannedCompatSet.add(sig); 5913 } 5914 } 5915 /* 5916 * Make sure the expanded scanned set contains all signatures in the 5917 * existing one. 5918 */ 5919 if (scannedCompatSet.equals(existingSet)) { 5920 // Migrate the old signatures to the new scheme. 5921 existingSigs.assignSignatures(scannedPkg.mSignatures); 5922 // The new KeySets will be re-added later in the scanning process. 5923 synchronized (mPackages) { 5924 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 5925 } 5926 return PackageManager.SIGNATURE_MATCH; 5927 } 5928 return PackageManager.SIGNATURE_NO_MATCH; 5929 } 5930 5931 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 5932 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 5933 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 5934 } 5935 5936 private int compareSignaturesRecover(PackageSignatures existingSigs, 5937 PackageParser.Package scannedPkg) { 5938 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 5939 return PackageManager.SIGNATURE_NO_MATCH; 5940 } 5941 5942 String msg = null; 5943 try { 5944 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 5945 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 5946 + scannedPkg.packageName); 5947 return PackageManager.SIGNATURE_MATCH; 5948 } 5949 } catch (CertificateException e) { 5950 msg = e.getMessage(); 5951 } 5952 5953 logCriticalInfo(Log.INFO, 5954 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 5955 return PackageManager.SIGNATURE_NO_MATCH; 5956 } 5957 5958 @Override 5959 public List<String> getAllPackages() { 5960 final int callingUid = Binder.getCallingUid(); 5961 final int callingUserId = UserHandle.getUserId(callingUid); 5962 synchronized (mPackages) { 5963 if (canViewInstantApps(callingUid, callingUserId)) { 5964 return new ArrayList<String>(mPackages.keySet()); 5965 } 5966 final String instantAppPkgName = getInstantAppPackageName(callingUid); 5967 final List<String> result = new ArrayList<>(); 5968 if (instantAppPkgName != null) { 5969 // caller is an instant application; filter unexposed applications 5970 for (PackageParser.Package pkg : mPackages.values()) { 5971 if (!pkg.visibleToInstantApps) { 5972 continue; 5973 } 5974 result.add(pkg.packageName); 5975 } 5976 } else { 5977 // caller is a normal application; filter instant applications 5978 for (PackageParser.Package pkg : mPackages.values()) { 5979 final PackageSetting ps = 5980 pkg.mExtras != null ? (PackageSetting) pkg.mExtras : null; 5981 if (ps != null 5982 && ps.getInstantApp(callingUserId) 5983 && !mInstantAppRegistry.isInstantAccessGranted( 5984 callingUserId, UserHandle.getAppId(callingUid), ps.appId)) { 5985 continue; 5986 } 5987 result.add(pkg.packageName); 5988 } 5989 } 5990 return result; 5991 } 5992 } 5993 5994 @Override 5995 public String[] getPackagesForUid(int uid) { 5996 final int callingUid = Binder.getCallingUid(); 5997 final boolean isCallerInstantApp = getInstantAppPackageName(callingUid) != null; 5998 final int userId = UserHandle.getUserId(uid); 5999 uid = UserHandle.getAppId(uid); 6000 // reader 6001 synchronized (mPackages) { 6002 Object obj = mSettings.getUserIdLPr(uid); 6003 if (obj instanceof SharedUserSetting) { 6004 if (isCallerInstantApp) { 6005 return null; 6006 } 6007 final SharedUserSetting sus = (SharedUserSetting) obj; 6008 final int N = sus.packages.size(); 6009 String[] res = new String[N]; 6010 final Iterator<PackageSetting> it = sus.packages.iterator(); 6011 int i = 0; 6012 while (it.hasNext()) { 6013 PackageSetting ps = it.next(); 6014 if (ps.getInstalled(userId)) { 6015 res[i++] = ps.name; 6016 } else { 6017 res = ArrayUtils.removeElement(String.class, res, res[i]); 6018 } 6019 } 6020 return res; 6021 } else if (obj instanceof PackageSetting) { 6022 final PackageSetting ps = (PackageSetting) obj; 6023 if (ps.getInstalled(userId) && !filterAppAccessLPr(ps, callingUid, userId)) { 6024 return new String[]{ps.name}; 6025 } 6026 } 6027 } 6028 return null; 6029 } 6030 6031 @Override 6032 public String getNameForUid(int uid) { 6033 final int callingUid = Binder.getCallingUid(); 6034 if (getInstantAppPackageName(callingUid) != null) { 6035 return null; 6036 } 6037 synchronized (mPackages) { 6038 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 6039 if (obj instanceof SharedUserSetting) { 6040 final SharedUserSetting sus = (SharedUserSetting) obj; 6041 return sus.name + ":" + sus.userId; 6042 } else if (obj instanceof PackageSetting) { 6043 final PackageSetting ps = (PackageSetting) obj; 6044 if (filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 6045 return null; 6046 } 6047 return ps.name; 6048 } 6049 } 6050 return null; 6051 } 6052 6053 @Override 6054 public int getUidForSharedUser(String sharedUserName) { 6055 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 6056 return -1; 6057 } 6058 if (sharedUserName == null) { 6059 return -1; 6060 } 6061 // reader 6062 synchronized (mPackages) { 6063 SharedUserSetting suid; 6064 try { 6065 suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 6066 if (suid != null) { 6067 return suid.userId; 6068 } 6069 } catch (PackageManagerException ignore) { 6070 // can't happen, but, still need to catch it 6071 } 6072 return -1; 6073 } 6074 } 6075 6076 @Override 6077 public int getFlagsForUid(int uid) { 6078 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 6079 return 0; 6080 } 6081 synchronized (mPackages) { 6082 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 6083 if (obj instanceof SharedUserSetting) { 6084 final SharedUserSetting sus = (SharedUserSetting) obj; 6085 return sus.pkgFlags; 6086 } else if (obj instanceof PackageSetting) { 6087 final PackageSetting ps = (PackageSetting) obj; 6088 return ps.pkgFlags; 6089 } 6090 } 6091 return 0; 6092 } 6093 6094 @Override 6095 public int getPrivateFlagsForUid(int uid) { 6096 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 6097 return 0; 6098 } 6099 synchronized (mPackages) { 6100 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 6101 if (obj instanceof SharedUserSetting) { 6102 final SharedUserSetting sus = (SharedUserSetting) obj; 6103 return sus.pkgPrivateFlags; 6104 } else if (obj instanceof PackageSetting) { 6105 final PackageSetting ps = (PackageSetting) obj; 6106 return ps.pkgPrivateFlags; 6107 } 6108 } 6109 return 0; 6110 } 6111 6112 @Override 6113 public boolean isUidPrivileged(int uid) { 6114 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 6115 return false; 6116 } 6117 uid = UserHandle.getAppId(uid); 6118 // reader 6119 synchronized (mPackages) { 6120 Object obj = mSettings.getUserIdLPr(uid); 6121 if (obj instanceof SharedUserSetting) { 6122 final SharedUserSetting sus = (SharedUserSetting) obj; 6123 final Iterator<PackageSetting> it = sus.packages.iterator(); 6124 while (it.hasNext()) { 6125 if (it.next().isPrivileged()) { 6126 return true; 6127 } 6128 } 6129 } else if (obj instanceof PackageSetting) { 6130 final PackageSetting ps = (PackageSetting) obj; 6131 return ps.isPrivileged(); 6132 } 6133 } 6134 return false; 6135 } 6136 6137 @Override 6138 public String[] getAppOpPermissionPackages(String permissionName) { 6139 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 6140 return null; 6141 } 6142 synchronized (mPackages) { 6143 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 6144 if (pkgs == null) { 6145 return null; 6146 } 6147 return pkgs.toArray(new String[pkgs.size()]); 6148 } 6149 } 6150 6151 @Override 6152 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 6153 int flags, int userId) { 6154 return resolveIntentInternal( 6155 intent, resolvedType, flags, userId, false /*includeInstantApps*/); 6156 } 6157 6158 private ResolveInfo resolveIntentInternal(Intent intent, String resolvedType, 6159 int flags, int userId, boolean resolveForStart) { 6160 try { 6161 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 6162 6163 if (!sUserManager.exists(userId)) return null; 6164 final int callingUid = Binder.getCallingUid(); 6165 flags = updateFlagsForResolve(flags, userId, intent, callingUid, resolveForStart); 6166 enforceCrossUserPermission(callingUid, userId, 6167 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 6168 6169 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 6170 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 6171 flags, userId, resolveForStart); 6172 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6173 6174 final ResolveInfo bestChoice = 6175 chooseBestActivity(intent, resolvedType, flags, query, userId); 6176 return bestChoice; 6177 } finally { 6178 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6179 } 6180 } 6181 6182 @Override 6183 public ResolveInfo findPersistentPreferredActivity(Intent intent, int userId) { 6184 if (!UserHandle.isSameApp(Binder.getCallingUid(), Process.SYSTEM_UID)) { 6185 throw new SecurityException( 6186 "findPersistentPreferredActivity can only be run by the system"); 6187 } 6188 if (!sUserManager.exists(userId)) { 6189 return null; 6190 } 6191 final int callingUid = Binder.getCallingUid(); 6192 intent = updateIntentForResolve(intent); 6193 final String resolvedType = intent.resolveTypeIfNeeded(mContext.getContentResolver()); 6194 final int flags = updateFlagsForResolve( 6195 0, userId, intent, callingUid, false /*includeInstantApps*/); 6196 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 6197 userId); 6198 synchronized (mPackages) { 6199 return findPersistentPreferredActivityLP(intent, resolvedType, flags, query, false, 6200 userId); 6201 } 6202 } 6203 6204 @Override 6205 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 6206 IntentFilter filter, int match, ComponentName activity) { 6207 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 6208 return; 6209 } 6210 final int userId = UserHandle.getCallingUserId(); 6211 if (DEBUG_PREFERRED) { 6212 Log.v(TAG, "setLastChosenActivity intent=" + intent 6213 + " resolvedType=" + resolvedType 6214 + " flags=" + flags 6215 + " filter=" + filter 6216 + " match=" + match 6217 + " activity=" + activity); 6218 filter.dump(new PrintStreamPrinter(System.out), " "); 6219 } 6220 intent.setComponent(null); 6221 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 6222 userId); 6223 // Find any earlier preferred or last chosen entries and nuke them 6224 findPreferredActivity(intent, resolvedType, 6225 flags, query, 0, false, true, false, userId); 6226 // Add the new activity as the last chosen for this filter 6227 addPreferredActivityInternal(filter, match, null, activity, false, userId, 6228 "Setting last chosen"); 6229 } 6230 6231 @Override 6232 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 6233 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 6234 return null; 6235 } 6236 final int userId = UserHandle.getCallingUserId(); 6237 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 6238 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 6239 userId); 6240 return findPreferredActivity(intent, resolvedType, flags, query, 0, 6241 false, false, false, userId); 6242 } 6243 6244 /** 6245 * Returns whether or not instant apps have been disabled remotely. 6246 */ 6247 private boolean isEphemeralDisabled() { 6248 return mEphemeralAppsDisabled; 6249 } 6250 6251 private boolean isInstantAppAllowed( 6252 Intent intent, List<ResolveInfo> resolvedActivities, int userId, 6253 boolean skipPackageCheck) { 6254 if (mInstantAppResolverConnection == null) { 6255 return false; 6256 } 6257 if (mInstantAppInstallerActivity == null) { 6258 return false; 6259 } 6260 if (intent.getComponent() != null) { 6261 return false; 6262 } 6263 if ((intent.getFlags() & Intent.FLAG_IGNORE_EPHEMERAL) != 0) { 6264 return false; 6265 } 6266 if (!skipPackageCheck && intent.getPackage() != null) { 6267 return false; 6268 } 6269 final boolean isWebUri = hasWebURI(intent); 6270 if (!isWebUri || intent.getData().getHost() == null) { 6271 return false; 6272 } 6273 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 6274 // Or if there's already an ephemeral app installed that handles the action 6275 synchronized (mPackages) { 6276 final int count = (resolvedActivities == null ? 0 : resolvedActivities.size()); 6277 for (int n = 0; n < count; n++) { 6278 final ResolveInfo info = resolvedActivities.get(n); 6279 final String packageName = info.activityInfo.packageName; 6280 final PackageSetting ps = mSettings.mPackages.get(packageName); 6281 if (ps != null) { 6282 // only check domain verification status if the app is not a browser 6283 if (!info.handleAllWebDataURI) { 6284 // Try to get the status from User settings first 6285 final long packedStatus = getDomainVerificationStatusLPr(ps, userId); 6286 final int status = (int) (packedStatus >> 32); 6287 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 6288 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 6289 if (DEBUG_EPHEMERAL) { 6290 Slog.v(TAG, "DENY instant app;" 6291 + " pkg: " + packageName + ", status: " + status); 6292 } 6293 return false; 6294 } 6295 } 6296 if (ps.getInstantApp(userId)) { 6297 if (DEBUG_EPHEMERAL) { 6298 Slog.v(TAG, "DENY instant app installed;" 6299 + " pkg: " + packageName); 6300 } 6301 return false; 6302 } 6303 } 6304 } 6305 } 6306 // We've exhausted all ways to deny ephemeral application; let the system look for them. 6307 return true; 6308 } 6309 6310 private void requestInstantAppResolutionPhaseTwo(AuxiliaryResolveInfo responseObj, 6311 Intent origIntent, String resolvedType, String callingPackage, 6312 Bundle verificationBundle, int userId) { 6313 final Message msg = mHandler.obtainMessage(INSTANT_APP_RESOLUTION_PHASE_TWO, 6314 new InstantAppRequest(responseObj, origIntent, resolvedType, 6315 callingPackage, userId, verificationBundle)); 6316 mHandler.sendMessage(msg); 6317 } 6318 6319 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 6320 int flags, List<ResolveInfo> query, int userId) { 6321 if (query != null) { 6322 final int N = query.size(); 6323 if (N == 1) { 6324 return query.get(0); 6325 } else if (N > 1) { 6326 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 6327 // If there is more than one activity with the same priority, 6328 // then let the user decide between them. 6329 ResolveInfo r0 = query.get(0); 6330 ResolveInfo r1 = query.get(1); 6331 if (DEBUG_INTENT_MATCHING || debug) { 6332 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 6333 + r1.activityInfo.name + "=" + r1.priority); 6334 } 6335 // If the first activity has a higher priority, or a different 6336 // default, then it is always desirable to pick it. 6337 if (r0.priority != r1.priority 6338 || r0.preferredOrder != r1.preferredOrder 6339 || r0.isDefault != r1.isDefault) { 6340 return query.get(0); 6341 } 6342 // If we have saved a preference for a preferred activity for 6343 // this Intent, use that. 6344 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 6345 flags, query, r0.priority, true, false, debug, userId); 6346 if (ri != null) { 6347 return ri; 6348 } 6349 // If we have an ephemeral app, use it 6350 for (int i = 0; i < N; i++) { 6351 ri = query.get(i); 6352 if (ri.activityInfo.applicationInfo.isInstantApp()) { 6353 final String packageName = ri.activityInfo.packageName; 6354 final PackageSetting ps = mSettings.mPackages.get(packageName); 6355 final long packedStatus = getDomainVerificationStatusLPr(ps, userId); 6356 final int status = (int)(packedStatus >> 32); 6357 if (status != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 6358 return ri; 6359 } 6360 } 6361 } 6362 ri = new ResolveInfo(mResolveInfo); 6363 ri.activityInfo = new ActivityInfo(ri.activityInfo); 6364 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 6365 // If all of the options come from the same package, show the application's 6366 // label and icon instead of the generic resolver's. 6367 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 6368 // and then throw away the ResolveInfo itself, meaning that the caller loses 6369 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 6370 // a fallback for this case; we only set the target package's resources on 6371 // the ResolveInfo, not the ActivityInfo. 6372 final String intentPackage = intent.getPackage(); 6373 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 6374 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 6375 ri.resolvePackageName = intentPackage; 6376 if (userNeedsBadging(userId)) { 6377 ri.noResourceId = true; 6378 } else { 6379 ri.icon = appi.icon; 6380 } 6381 ri.iconResourceId = appi.icon; 6382 ri.labelRes = appi.labelRes; 6383 } 6384 ri.activityInfo.applicationInfo = new ApplicationInfo( 6385 ri.activityInfo.applicationInfo); 6386 if (userId != 0) { 6387 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 6388 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 6389 } 6390 // Make sure that the resolver is displayable in car mode 6391 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 6392 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 6393 return ri; 6394 } 6395 } 6396 return null; 6397 } 6398 6399 /** 6400 * Return true if the given list is not empty and all of its contents have 6401 * an activityInfo with the given package name. 6402 */ 6403 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 6404 if (ArrayUtils.isEmpty(list)) { 6405 return false; 6406 } 6407 for (int i = 0, N = list.size(); i < N; i++) { 6408 final ResolveInfo ri = list.get(i); 6409 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 6410 if (ai == null || !packageName.equals(ai.packageName)) { 6411 return false; 6412 } 6413 } 6414 return true; 6415 } 6416 6417 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 6418 int flags, List<ResolveInfo> query, boolean debug, int userId) { 6419 final int N = query.size(); 6420 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 6421 .get(userId); 6422 // Get the list of persistent preferred activities that handle the intent 6423 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 6424 List<PersistentPreferredActivity> pprefs = ppir != null 6425 ? ppir.queryIntent(intent, resolvedType, 6426 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 6427 userId) 6428 : null; 6429 if (pprefs != null && pprefs.size() > 0) { 6430 final int M = pprefs.size(); 6431 for (int i=0; i<M; i++) { 6432 final PersistentPreferredActivity ppa = pprefs.get(i); 6433 if (DEBUG_PREFERRED || debug) { 6434 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 6435 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 6436 + "\n component=" + ppa.mComponent); 6437 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 6438 } 6439 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 6440 flags | MATCH_DISABLED_COMPONENTS, userId); 6441 if (DEBUG_PREFERRED || debug) { 6442 Slog.v(TAG, "Found persistent preferred activity:"); 6443 if (ai != null) { 6444 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 6445 } else { 6446 Slog.v(TAG, " null"); 6447 } 6448 } 6449 if (ai == null) { 6450 // This previously registered persistent preferred activity 6451 // component is no longer known. Ignore it and do NOT remove it. 6452 continue; 6453 } 6454 for (int j=0; j<N; j++) { 6455 final ResolveInfo ri = query.get(j); 6456 if (!ri.activityInfo.applicationInfo.packageName 6457 .equals(ai.applicationInfo.packageName)) { 6458 continue; 6459 } 6460 if (!ri.activityInfo.name.equals(ai.name)) { 6461 continue; 6462 } 6463 // Found a persistent preference that can handle the intent. 6464 if (DEBUG_PREFERRED || debug) { 6465 Slog.v(TAG, "Returning persistent preferred activity: " + 6466 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 6467 } 6468 return ri; 6469 } 6470 } 6471 } 6472 return null; 6473 } 6474 6475 // TODO: handle preferred activities missing while user has amnesia 6476 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 6477 List<ResolveInfo> query, int priority, boolean always, 6478 boolean removeMatches, boolean debug, int userId) { 6479 if (!sUserManager.exists(userId)) return null; 6480 final int callingUid = Binder.getCallingUid(); 6481 flags = updateFlagsForResolve( 6482 flags, userId, intent, callingUid, false /*includeInstantApps*/); 6483 intent = updateIntentForResolve(intent); 6484 // writer 6485 synchronized (mPackages) { 6486 // Try to find a matching persistent preferred activity. 6487 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 6488 debug, userId); 6489 6490 // If a persistent preferred activity matched, use it. 6491 if (pri != null) { 6492 return pri; 6493 } 6494 6495 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 6496 // Get the list of preferred activities that handle the intent 6497 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 6498 List<PreferredActivity> prefs = pir != null 6499 ? pir.queryIntent(intent, resolvedType, 6500 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 6501 userId) 6502 : null; 6503 if (prefs != null && prefs.size() > 0) { 6504 boolean changed = false; 6505 try { 6506 // First figure out how good the original match set is. 6507 // We will only allow preferred activities that came 6508 // from the same match quality. 6509 int match = 0; 6510 6511 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 6512 6513 final int N = query.size(); 6514 for (int j=0; j<N; j++) { 6515 final ResolveInfo ri = query.get(j); 6516 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 6517 + ": 0x" + Integer.toHexString(match)); 6518 if (ri.match > match) { 6519 match = ri.match; 6520 } 6521 } 6522 6523 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 6524 + Integer.toHexString(match)); 6525 6526 match &= IntentFilter.MATCH_CATEGORY_MASK; 6527 final int M = prefs.size(); 6528 for (int i=0; i<M; i++) { 6529 final PreferredActivity pa = prefs.get(i); 6530 if (DEBUG_PREFERRED || debug) { 6531 Slog.v(TAG, "Checking PreferredActivity ds=" 6532 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 6533 + "\n component=" + pa.mPref.mComponent); 6534 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 6535 } 6536 if (pa.mPref.mMatch != match) { 6537 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 6538 + Integer.toHexString(pa.mPref.mMatch)); 6539 continue; 6540 } 6541 // If it's not an "always" type preferred activity and that's what we're 6542 // looking for, skip it. 6543 if (always && !pa.mPref.mAlways) { 6544 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 6545 continue; 6546 } 6547 final ActivityInfo ai = getActivityInfo( 6548 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 6549 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 6550 userId); 6551 if (DEBUG_PREFERRED || debug) { 6552 Slog.v(TAG, "Found preferred activity:"); 6553 if (ai != null) { 6554 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 6555 } else { 6556 Slog.v(TAG, " null"); 6557 } 6558 } 6559 if (ai == null) { 6560 // This previously registered preferred activity 6561 // component is no longer known. Most likely an update 6562 // to the app was installed and in the new version this 6563 // component no longer exists. Clean it up by removing 6564 // it from the preferred activities list, and skip it. 6565 Slog.w(TAG, "Removing dangling preferred activity: " 6566 + pa.mPref.mComponent); 6567 pir.removeFilter(pa); 6568 changed = true; 6569 continue; 6570 } 6571 for (int j=0; j<N; j++) { 6572 final ResolveInfo ri = query.get(j); 6573 if (!ri.activityInfo.applicationInfo.packageName 6574 .equals(ai.applicationInfo.packageName)) { 6575 continue; 6576 } 6577 if (!ri.activityInfo.name.equals(ai.name)) { 6578 continue; 6579 } 6580 6581 if (removeMatches) { 6582 pir.removeFilter(pa); 6583 changed = true; 6584 if (DEBUG_PREFERRED) { 6585 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 6586 } 6587 break; 6588 } 6589 6590 // Okay we found a previously set preferred or last chosen app. 6591 // If the result set is different from when this 6592 // was created, we need to clear it and re-ask the 6593 // user their preference, if we're looking for an "always" type entry. 6594 if (always && !pa.mPref.sameSet(query)) { 6595 Slog.i(TAG, "Result set changed, dropping preferred activity for " 6596 + intent + " type " + resolvedType); 6597 if (DEBUG_PREFERRED) { 6598 Slog.v(TAG, "Removing preferred activity since set changed " 6599 + pa.mPref.mComponent); 6600 } 6601 pir.removeFilter(pa); 6602 // Re-add the filter as a "last chosen" entry (!always) 6603 PreferredActivity lastChosen = new PreferredActivity( 6604 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 6605 pir.addFilter(lastChosen); 6606 changed = true; 6607 return null; 6608 } 6609 6610 // Yay! Either the set matched or we're looking for the last chosen 6611 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 6612 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 6613 return ri; 6614 } 6615 } 6616 } finally { 6617 if (changed) { 6618 if (DEBUG_PREFERRED) { 6619 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 6620 } 6621 scheduleWritePackageRestrictionsLocked(userId); 6622 } 6623 } 6624 } 6625 } 6626 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 6627 return null; 6628 } 6629 6630 /* 6631 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 6632 */ 6633 @Override 6634 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 6635 int targetUserId) { 6636 mContext.enforceCallingOrSelfPermission( 6637 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 6638 List<CrossProfileIntentFilter> matches = 6639 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 6640 if (matches != null) { 6641 int size = matches.size(); 6642 for (int i = 0; i < size; i++) { 6643 if (matches.get(i).getTargetUserId() == targetUserId) return true; 6644 } 6645 } 6646 if (hasWebURI(intent)) { 6647 // cross-profile app linking works only towards the parent. 6648 final int callingUid = Binder.getCallingUid(); 6649 final UserInfo parent = getProfileParent(sourceUserId); 6650 synchronized(mPackages) { 6651 int flags = updateFlagsForResolve(0, parent.id, intent, callingUid, 6652 false /*includeInstantApps*/); 6653 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 6654 intent, resolvedType, flags, sourceUserId, parent.id); 6655 return xpDomainInfo != null; 6656 } 6657 } 6658 return false; 6659 } 6660 6661 private UserInfo getProfileParent(int userId) { 6662 final long identity = Binder.clearCallingIdentity(); 6663 try { 6664 return sUserManager.getProfileParent(userId); 6665 } finally { 6666 Binder.restoreCallingIdentity(identity); 6667 } 6668 } 6669 6670 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 6671 String resolvedType, int userId) { 6672 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 6673 if (resolver != null) { 6674 return resolver.queryIntent(intent, resolvedType, false /*defaultOnly*/, userId); 6675 } 6676 return null; 6677 } 6678 6679 @Override 6680 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 6681 String resolvedType, int flags, int userId) { 6682 try { 6683 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 6684 6685 return new ParceledListSlice<>( 6686 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 6687 } finally { 6688 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6689 } 6690 } 6691 6692 /** 6693 * Returns the package name of the calling Uid if it's an instant app. If it isn't 6694 * instant, returns {@code null}. 6695 */ 6696 private String getInstantAppPackageName(int callingUid) { 6697 synchronized (mPackages) { 6698 // If the caller is an isolated app use the owner's uid for the lookup. 6699 if (Process.isIsolated(callingUid)) { 6700 callingUid = mIsolatedOwners.get(callingUid); 6701 } 6702 final int appId = UserHandle.getAppId(callingUid); 6703 final Object obj = mSettings.getUserIdLPr(appId); 6704 if (obj instanceof PackageSetting) { 6705 final PackageSetting ps = (PackageSetting) obj; 6706 final boolean isInstantApp = ps.getInstantApp(UserHandle.getUserId(callingUid)); 6707 return isInstantApp ? ps.pkg.packageName : null; 6708 } 6709 } 6710 return null; 6711 } 6712 6713 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 6714 String resolvedType, int flags, int userId) { 6715 return queryIntentActivitiesInternal(intent, resolvedType, flags, userId, false); 6716 } 6717 6718 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 6719 String resolvedType, int flags, int userId, boolean resolveForStart) { 6720 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6721 final int callingUid = Binder.getCallingUid(); 6722 final String instantAppPkgName = getInstantAppPackageName(callingUid); 6723 enforceCrossUserPermission(callingUid, userId, 6724 false /* requireFullPermission */, false /* checkShell */, 6725 "query intent activities"); 6726 final String pkgName = intent.getPackage(); 6727 ComponentName comp = intent.getComponent(); 6728 if (comp == null) { 6729 if (intent.getSelector() != null) { 6730 intent = intent.getSelector(); 6731 comp = intent.getComponent(); 6732 } 6733 } 6734 6735 flags = updateFlagsForResolve(flags, userId, intent, callingUid, resolveForStart, 6736 comp != null || pkgName != null /*onlyExposedExplicitly*/); 6737 if (comp != null) { 6738 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6739 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 6740 if (ai != null) { 6741 // When specifying an explicit component, we prevent the activity from being 6742 // used when either 1) the calling package is normal and the activity is within 6743 // an ephemeral application or 2) the calling package is ephemeral and the 6744 // activity is not visible to ephemeral applications. 6745 final boolean matchInstantApp = 6746 (flags & PackageManager.MATCH_INSTANT) != 0; 6747 final boolean matchVisibleToInstantAppOnly = 6748 (flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 6749 final boolean matchExplicitlyVisibleOnly = 6750 (flags & PackageManager.MATCH_EXPLICITLY_VISIBLE_ONLY) != 0; 6751 final boolean isCallerInstantApp = 6752 instantAppPkgName != null; 6753 final boolean isTargetSameInstantApp = 6754 comp.getPackageName().equals(instantAppPkgName); 6755 final boolean isTargetInstantApp = 6756 (ai.applicationInfo.privateFlags 6757 & ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0; 6758 final boolean isTargetVisibleToInstantApp = 6759 (ai.flags & ActivityInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0; 6760 final boolean isTargetExplicitlyVisibleToInstantApp = 6761 isTargetVisibleToInstantApp 6762 && (ai.flags & ActivityInfo.FLAG_IMPLICITLY_VISIBLE_TO_INSTANT_APP) == 0; 6763 final boolean isTargetHiddenFromInstantApp = 6764 !isTargetVisibleToInstantApp 6765 || (matchExplicitlyVisibleOnly && !isTargetExplicitlyVisibleToInstantApp); 6766 final boolean blockResolution = 6767 !isTargetSameInstantApp 6768 && ((!matchInstantApp && !isCallerInstantApp && isTargetInstantApp) 6769 || (matchVisibleToInstantAppOnly && isCallerInstantApp 6770 && isTargetHiddenFromInstantApp)); 6771 if (!blockResolution) { 6772 final ResolveInfo ri = new ResolveInfo(); 6773 ri.activityInfo = ai; 6774 list.add(ri); 6775 } 6776 } 6777 return applyPostResolutionFilter(list, instantAppPkgName); 6778 } 6779 6780 // reader 6781 boolean sortResult = false; 6782 boolean addEphemeral = false; 6783 List<ResolveInfo> result; 6784 final boolean ephemeralDisabled = isEphemeralDisabled(); 6785 synchronized (mPackages) { 6786 if (pkgName == null) { 6787 List<CrossProfileIntentFilter> matchingFilters = 6788 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 6789 // Check for results that need to skip the current profile. 6790 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 6791 resolvedType, flags, userId); 6792 if (xpResolveInfo != null) { 6793 List<ResolveInfo> xpResult = new ArrayList<ResolveInfo>(1); 6794 xpResult.add(xpResolveInfo); 6795 return applyPostResolutionFilter( 6796 filterIfNotSystemUser(xpResult, userId), instantAppPkgName); 6797 } 6798 6799 // Check for results in the current profile. 6800 result = filterIfNotSystemUser(mActivities.queryIntent( 6801 intent, resolvedType, flags, userId), userId); 6802 addEphemeral = !ephemeralDisabled 6803 && isInstantAppAllowed(intent, result, userId, false /*skipPackageCheck*/); 6804 // Check for cross profile results. 6805 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 6806 xpResolveInfo = queryCrossProfileIntents( 6807 matchingFilters, intent, resolvedType, flags, userId, 6808 hasNonNegativePriorityResult); 6809 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 6810 boolean isVisibleToUser = filterIfNotSystemUser( 6811 Collections.singletonList(xpResolveInfo), userId).size() > 0; 6812 if (isVisibleToUser) { 6813 result.add(xpResolveInfo); 6814 sortResult = true; 6815 } 6816 } 6817 if (hasWebURI(intent)) { 6818 CrossProfileDomainInfo xpDomainInfo = null; 6819 final UserInfo parent = getProfileParent(userId); 6820 if (parent != null) { 6821 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 6822 flags, userId, parent.id); 6823 } 6824 if (xpDomainInfo != null) { 6825 if (xpResolveInfo != null) { 6826 // If we didn't remove it, the cross-profile ResolveInfo would be twice 6827 // in the result. 6828 result.remove(xpResolveInfo); 6829 } 6830 if (result.size() == 0 && !addEphemeral) { 6831 // No result in current profile, but found candidate in parent user. 6832 // And we are not going to add emphemeral app, so we can return the 6833 // result straight away. 6834 result.add(xpDomainInfo.resolveInfo); 6835 return applyPostResolutionFilter(result, instantAppPkgName); 6836 } 6837 } else if (result.size() <= 1 && !addEphemeral) { 6838 // No result in parent user and <= 1 result in current profile, and we 6839 // are not going to add emphemeral app, so we can return the result without 6840 // further processing. 6841 return applyPostResolutionFilter(result, instantAppPkgName); 6842 } 6843 // We have more than one candidate (combining results from current and parent 6844 // profile), so we need filtering and sorting. 6845 result = filterCandidatesWithDomainPreferredActivitiesLPr( 6846 intent, flags, result, xpDomainInfo, userId); 6847 sortResult = true; 6848 } 6849 } else { 6850 final PackageParser.Package pkg = mPackages.get(pkgName); 6851 result = null; 6852 if (pkg != null) { 6853 result = filterIfNotSystemUser( 6854 mActivities.queryIntentForPackage( 6855 intent, resolvedType, flags, pkg.activities, userId), 6856 userId); 6857 } 6858 if (result == null || result.size() == 0) { 6859 // the caller wants to resolve for a particular package; however, there 6860 // were no installed results, so, try to find an ephemeral result 6861 addEphemeral = !ephemeralDisabled 6862 && isInstantAppAllowed( 6863 intent, null /*result*/, userId, true /*skipPackageCheck*/); 6864 if (result == null) { 6865 result = new ArrayList<>(); 6866 } 6867 } 6868 } 6869 } 6870 if (addEphemeral) { 6871 result = maybeAddInstantAppInstaller(result, intent, resolvedType, flags, userId); 6872 } 6873 if (sortResult) { 6874 Collections.sort(result, mResolvePrioritySorter); 6875 } 6876 return applyPostResolutionFilter(result, instantAppPkgName); 6877 } 6878 6879 private List<ResolveInfo> maybeAddInstantAppInstaller(List<ResolveInfo> result, Intent intent, 6880 String resolvedType, int flags, int userId) { 6881 // first, check to see if we've got an instant app already installed 6882 final boolean alreadyResolvedLocally = (flags & PackageManager.MATCH_INSTANT) != 0; 6883 ResolveInfo localInstantApp = null; 6884 boolean blockResolution = false; 6885 if (!alreadyResolvedLocally) { 6886 final List<ResolveInfo> instantApps = mActivities.queryIntent(intent, resolvedType, 6887 flags 6888 | PackageManager.GET_RESOLVED_FILTER 6889 | PackageManager.MATCH_INSTANT 6890 | PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY, 6891 userId); 6892 for (int i = instantApps.size() - 1; i >= 0; --i) { 6893 final ResolveInfo info = instantApps.get(i); 6894 final String packageName = info.activityInfo.packageName; 6895 final PackageSetting ps = mSettings.mPackages.get(packageName); 6896 if (ps.getInstantApp(userId)) { 6897 final long packedStatus = getDomainVerificationStatusLPr(ps, userId); 6898 final int status = (int)(packedStatus >> 32); 6899 final int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 6900 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6901 // there's a local instant application installed, but, the user has 6902 // chosen to never use it; skip resolution and don't acknowledge 6903 // an instant application is even available 6904 if (DEBUG_EPHEMERAL) { 6905 Slog.v(TAG, "Instant app marked to never run; pkg: " + packageName); 6906 } 6907 blockResolution = true; 6908 break; 6909 } else { 6910 // we have a locally installed instant application; skip resolution 6911 // but acknowledge there's an instant application available 6912 if (DEBUG_EPHEMERAL) { 6913 Slog.v(TAG, "Found installed instant app; pkg: " + packageName); 6914 } 6915 localInstantApp = info; 6916 break; 6917 } 6918 } 6919 } 6920 } 6921 // no app installed, let's see if one's available 6922 AuxiliaryResolveInfo auxiliaryResponse = null; 6923 if (!blockResolution) { 6924 if (localInstantApp == null) { 6925 // we don't have an instant app locally, resolve externally 6926 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 6927 final InstantAppRequest requestObject = new InstantAppRequest( 6928 null /*responseObj*/, intent /*origIntent*/, resolvedType, 6929 null /*callingPackage*/, userId, null /*verificationBundle*/); 6930 auxiliaryResponse = 6931 InstantAppResolver.doInstantAppResolutionPhaseOne( 6932 mContext, mInstantAppResolverConnection, requestObject); 6933 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6934 } else { 6935 // we have an instant application locally, but, we can't admit that since 6936 // callers shouldn't be able to determine prior browsing. create a dummy 6937 // auxiliary response so the downstream code behaves as if there's an 6938 // instant application available externally. when it comes time to start 6939 // the instant application, we'll do the right thing. 6940 final ApplicationInfo ai = localInstantApp.activityInfo.applicationInfo; 6941 auxiliaryResponse = new AuxiliaryResolveInfo( 6942 ai.packageName, null /*splitName*/, ai.versionCode, null /*failureIntent*/); 6943 } 6944 } 6945 if (auxiliaryResponse != null) { 6946 if (DEBUG_EPHEMERAL) { 6947 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 6948 } 6949 final ResolveInfo ephemeralInstaller = new ResolveInfo(mInstantAppInstallerInfo); 6950 final PackageSetting ps = 6951 mSettings.mPackages.get(mInstantAppInstallerActivity.packageName); 6952 if (ps != null) { 6953 ephemeralInstaller.activityInfo = PackageParser.generateActivityInfo( 6954 mInstantAppInstallerActivity, 0, ps.readUserState(userId), userId); 6955 ephemeralInstaller.activityInfo.launchToken = auxiliaryResponse.token; 6956 ephemeralInstaller.auxiliaryInfo = auxiliaryResponse; 6957 // make sure this resolver is the default 6958 ephemeralInstaller.isDefault = true; 6959 ephemeralInstaller.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 6960 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 6961 // add a non-generic filter 6962 ephemeralInstaller.filter = new IntentFilter(intent.getAction()); 6963 ephemeralInstaller.filter.addDataPath( 6964 intent.getData().getPath(), PatternMatcher.PATTERN_LITERAL); 6965 ephemeralInstaller.isInstantAppAvailable = true; 6966 result.add(ephemeralInstaller); 6967 } 6968 } 6969 return result; 6970 } 6971 6972 private static class CrossProfileDomainInfo { 6973 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 6974 ResolveInfo resolveInfo; 6975 /* Best domain verification status of the activities found in the other profile */ 6976 int bestDomainVerificationStatus; 6977 } 6978 6979 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 6980 String resolvedType, int flags, int sourceUserId, int parentUserId) { 6981 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 6982 sourceUserId)) { 6983 return null; 6984 } 6985 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 6986 resolvedType, flags, parentUserId); 6987 6988 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 6989 return null; 6990 } 6991 CrossProfileDomainInfo result = null; 6992 int size = resultTargetUser.size(); 6993 for (int i = 0; i < size; i++) { 6994 ResolveInfo riTargetUser = resultTargetUser.get(i); 6995 // Intent filter verification is only for filters that specify a host. So don't return 6996 // those that handle all web uris. 6997 if (riTargetUser.handleAllWebDataURI) { 6998 continue; 6999 } 7000 String packageName = riTargetUser.activityInfo.packageName; 7001 PackageSetting ps = mSettings.mPackages.get(packageName); 7002 if (ps == null) { 7003 continue; 7004 } 7005 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 7006 int status = (int)(verificationState >> 32); 7007 if (result == null) { 7008 result = new CrossProfileDomainInfo(); 7009 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 7010 sourceUserId, parentUserId); 7011 result.bestDomainVerificationStatus = status; 7012 } else { 7013 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 7014 result.bestDomainVerificationStatus); 7015 } 7016 } 7017 // Don't consider matches with status NEVER across profiles. 7018 if (result != null && result.bestDomainVerificationStatus 7019 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 7020 return null; 7021 } 7022 return result; 7023 } 7024 7025 /** 7026 * Verification statuses are ordered from the worse to the best, except for 7027 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 7028 */ 7029 private int bestDomainVerificationStatus(int status1, int status2) { 7030 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 7031 return status2; 7032 } 7033 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 7034 return status1; 7035 } 7036 return (int) MathUtils.max(status1, status2); 7037 } 7038 7039 private boolean isUserEnabled(int userId) { 7040 long callingId = Binder.clearCallingIdentity(); 7041 try { 7042 UserInfo userInfo = sUserManager.getUserInfo(userId); 7043 return userInfo != null && userInfo.isEnabled(); 7044 } finally { 7045 Binder.restoreCallingIdentity(callingId); 7046 } 7047 } 7048 7049 /** 7050 * Filter out activities with systemUserOnly flag set, when current user is not System. 7051 * 7052 * @return filtered list 7053 */ 7054 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 7055 if (userId == UserHandle.USER_SYSTEM) { 7056 return resolveInfos; 7057 } 7058 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 7059 ResolveInfo info = resolveInfos.get(i); 7060 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 7061 resolveInfos.remove(i); 7062 } 7063 } 7064 return resolveInfos; 7065 } 7066 7067 /** 7068 * Filters out ephemeral activities. 7069 * <p>When resolving for an ephemeral app, only activities that 1) are defined in the 7070 * ephemeral app or 2) marked with {@code visibleToEphemeral} are returned. 7071 * 7072 * @param resolveInfos The pre-filtered list of resolved activities 7073 * @param ephemeralPkgName The ephemeral package name. If {@code null}, no filtering 7074 * is performed. 7075 * @return A filtered list of resolved activities. 7076 */ 7077 private List<ResolveInfo> applyPostResolutionFilter(List<ResolveInfo> resolveInfos, 7078 String ephemeralPkgName) { 7079 // TODO: When adding on-demand split support for non-instant apps, remove this check 7080 // and always apply post filtering 7081 if (ephemeralPkgName == null) { 7082 return resolveInfos; 7083 } 7084 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 7085 final ResolveInfo info = resolveInfos.get(i); 7086 final boolean isEphemeralApp = info.activityInfo.applicationInfo.isInstantApp(); 7087 // allow activities that are defined in the provided package 7088 if (isEphemeralApp && ephemeralPkgName.equals(info.activityInfo.packageName)) { 7089 if (info.activityInfo.splitName != null 7090 && !ArrayUtils.contains(info.activityInfo.applicationInfo.splitNames, 7091 info.activityInfo.splitName)) { 7092 // requested activity is defined in a split that hasn't been installed yet. 7093 // add the installer to the resolve list 7094 if (DEBUG_EPHEMERAL) { 7095 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 7096 } 7097 final ResolveInfo installerInfo = new ResolveInfo(mInstantAppInstallerInfo); 7098 installerInfo.auxiliaryInfo = new AuxiliaryResolveInfo( 7099 info.activityInfo.packageName, info.activityInfo.splitName, 7100 info.activityInfo.applicationInfo.versionCode, null /*failureIntent*/); 7101 // make sure this resolver is the default 7102 installerInfo.isDefault = true; 7103 installerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 7104 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 7105 // add a non-generic filter 7106 installerInfo.filter = new IntentFilter(); 7107 // load resources from the correct package 7108 installerInfo.resolvePackageName = info.getComponentInfo().packageName; 7109 resolveInfos.set(i, installerInfo); 7110 } 7111 continue; 7112 } 7113 // allow activities that have been explicitly exposed to ephemeral apps 7114 if (!isEphemeralApp 7115 && ((info.activityInfo.flags & ActivityInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0)) { 7116 continue; 7117 } 7118 resolveInfos.remove(i); 7119 } 7120 return resolveInfos; 7121 } 7122 7123 /** 7124 * @param resolveInfos list of resolve infos in descending priority order 7125 * @return if the list contains a resolve info with non-negative priority 7126 */ 7127 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 7128 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 7129 } 7130 7131 private static boolean hasWebURI(Intent intent) { 7132 if (intent.getData() == null) { 7133 return false; 7134 } 7135 final String scheme = intent.getScheme(); 7136 if (TextUtils.isEmpty(scheme)) { 7137 return false; 7138 } 7139 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 7140 } 7141 7142 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 7143 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 7144 int userId) { 7145 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 7146 7147 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 7148 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 7149 candidates.size()); 7150 } 7151 7152 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 7153 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 7154 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 7155 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 7156 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 7157 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 7158 7159 synchronized (mPackages) { 7160 final int count = candidates.size(); 7161 // First, try to use linked apps. Partition the candidates into four lists: 7162 // one for the final results, one for the "do not use ever", one for "undefined status" 7163 // and finally one for "browser app type". 7164 for (int n=0; n<count; n++) { 7165 ResolveInfo info = candidates.get(n); 7166 String packageName = info.activityInfo.packageName; 7167 PackageSetting ps = mSettings.mPackages.get(packageName); 7168 if (ps != null) { 7169 // Add to the special match all list (Browser use case) 7170 if (info.handleAllWebDataURI) { 7171 matchAllList.add(info); 7172 continue; 7173 } 7174 // Try to get the status from User settings first 7175 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 7176 int status = (int)(packedStatus >> 32); 7177 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 7178 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 7179 if (DEBUG_DOMAIN_VERIFICATION || debug) { 7180 Slog.i(TAG, " + always: " + info.activityInfo.packageName 7181 + " : linkgen=" + linkGeneration); 7182 } 7183 // Use link-enabled generation as preferredOrder, i.e. 7184 // prefer newly-enabled over earlier-enabled. 7185 info.preferredOrder = linkGeneration; 7186 alwaysList.add(info); 7187 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 7188 if (DEBUG_DOMAIN_VERIFICATION || debug) { 7189 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 7190 } 7191 neverList.add(info); 7192 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 7193 if (DEBUG_DOMAIN_VERIFICATION || debug) { 7194 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 7195 } 7196 alwaysAskList.add(info); 7197 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 7198 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 7199 if (DEBUG_DOMAIN_VERIFICATION || debug) { 7200 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 7201 } 7202 undefinedList.add(info); 7203 } 7204 } 7205 } 7206 7207 // We'll want to include browser possibilities in a few cases 7208 boolean includeBrowser = false; 7209 7210 // First try to add the "always" resolution(s) for the current user, if any 7211 if (alwaysList.size() > 0) { 7212 result.addAll(alwaysList); 7213 } else { 7214 // Add all undefined apps as we want them to appear in the disambiguation dialog. 7215 result.addAll(undefinedList); 7216 // Maybe add one for the other profile. 7217 if (xpDomainInfo != null && ( 7218 xpDomainInfo.bestDomainVerificationStatus 7219 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 7220 result.add(xpDomainInfo.resolveInfo); 7221 } 7222 includeBrowser = true; 7223 } 7224 7225 // The presence of any 'always ask' alternatives means we'll also offer browsers. 7226 // If there were 'always' entries their preferred order has been set, so we also 7227 // back that off to make the alternatives equivalent 7228 if (alwaysAskList.size() > 0) { 7229 for (ResolveInfo i : result) { 7230 i.preferredOrder = 0; 7231 } 7232 result.addAll(alwaysAskList); 7233 includeBrowser = true; 7234 } 7235 7236 if (includeBrowser) { 7237 // Also add browsers (all of them or only the default one) 7238 if (DEBUG_DOMAIN_VERIFICATION) { 7239 Slog.v(TAG, " ...including browsers in candidate set"); 7240 } 7241 if ((matchFlags & MATCH_ALL) != 0) { 7242 result.addAll(matchAllList); 7243 } else { 7244 // Browser/generic handling case. If there's a default browser, go straight 7245 // to that (but only if there is no other higher-priority match). 7246 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 7247 int maxMatchPrio = 0; 7248 ResolveInfo defaultBrowserMatch = null; 7249 final int numCandidates = matchAllList.size(); 7250 for (int n = 0; n < numCandidates; n++) { 7251 ResolveInfo info = matchAllList.get(n); 7252 // track the highest overall match priority... 7253 if (info.priority > maxMatchPrio) { 7254 maxMatchPrio = info.priority; 7255 } 7256 // ...and the highest-priority default browser match 7257 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 7258 if (defaultBrowserMatch == null 7259 || (defaultBrowserMatch.priority < info.priority)) { 7260 if (debug) { 7261 Slog.v(TAG, "Considering default browser match " + info); 7262 } 7263 defaultBrowserMatch = info; 7264 } 7265 } 7266 } 7267 if (defaultBrowserMatch != null 7268 && defaultBrowserMatch.priority >= maxMatchPrio 7269 && !TextUtils.isEmpty(defaultBrowserPackageName)) 7270 { 7271 if (debug) { 7272 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 7273 } 7274 result.add(defaultBrowserMatch); 7275 } else { 7276 result.addAll(matchAllList); 7277 } 7278 } 7279 7280 // If there is nothing selected, add all candidates and remove the ones that the user 7281 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 7282 if (result.size() == 0) { 7283 result.addAll(candidates); 7284 result.removeAll(neverList); 7285 } 7286 } 7287 } 7288 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 7289 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 7290 result.size()); 7291 for (ResolveInfo info : result) { 7292 Slog.v(TAG, " + " + info.activityInfo); 7293 } 7294 } 7295 return result; 7296 } 7297 7298 // Returns a packed value as a long: 7299 // 7300 // high 'int'-sized word: link status: undefined/ask/never/always. 7301 // low 'int'-sized word: relative priority among 'always' results. 7302 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 7303 long result = ps.getDomainVerificationStatusForUser(userId); 7304 // if none available, get the master status 7305 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 7306 if (ps.getIntentFilterVerificationInfo() != null) { 7307 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 7308 } 7309 } 7310 return result; 7311 } 7312 7313 private ResolveInfo querySkipCurrentProfileIntents( 7314 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 7315 int flags, int sourceUserId) { 7316 if (matchingFilters != null) { 7317 int size = matchingFilters.size(); 7318 for (int i = 0; i < size; i ++) { 7319 CrossProfileIntentFilter filter = matchingFilters.get(i); 7320 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 7321 // Checking if there are activities in the target user that can handle the 7322 // intent. 7323 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 7324 resolvedType, flags, sourceUserId); 7325 if (resolveInfo != null) { 7326 return resolveInfo; 7327 } 7328 } 7329 } 7330 } 7331 return null; 7332 } 7333 7334 // Return matching ResolveInfo in target user if any. 7335 private ResolveInfo queryCrossProfileIntents( 7336 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 7337 int flags, int sourceUserId, boolean matchInCurrentProfile) { 7338 if (matchingFilters != null) { 7339 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 7340 // match the same intent. For performance reasons, it is better not to 7341 // run queryIntent twice for the same userId 7342 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 7343 int size = matchingFilters.size(); 7344 for (int i = 0; i < size; i++) { 7345 CrossProfileIntentFilter filter = matchingFilters.get(i); 7346 int targetUserId = filter.getTargetUserId(); 7347 boolean skipCurrentProfile = 7348 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 7349 boolean skipCurrentProfileIfNoMatchFound = 7350 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 7351 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 7352 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 7353 // Checking if there are activities in the target user that can handle the 7354 // intent. 7355 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 7356 resolvedType, flags, sourceUserId); 7357 if (resolveInfo != null) return resolveInfo; 7358 alreadyTriedUserIds.put(targetUserId, true); 7359 } 7360 } 7361 } 7362 return null; 7363 } 7364 7365 /** 7366 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 7367 * will forward the intent to the filter's target user. 7368 * Otherwise, returns null. 7369 */ 7370 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 7371 String resolvedType, int flags, int sourceUserId) { 7372 int targetUserId = filter.getTargetUserId(); 7373 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 7374 resolvedType, flags, targetUserId); 7375 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 7376 // If all the matches in the target profile are suspended, return null. 7377 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 7378 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 7379 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 7380 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 7381 targetUserId); 7382 } 7383 } 7384 } 7385 return null; 7386 } 7387 7388 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 7389 int sourceUserId, int targetUserId) { 7390 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 7391 long ident = Binder.clearCallingIdentity(); 7392 boolean targetIsProfile; 7393 try { 7394 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 7395 } finally { 7396 Binder.restoreCallingIdentity(ident); 7397 } 7398 String className; 7399 if (targetIsProfile) { 7400 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 7401 } else { 7402 className = FORWARD_INTENT_TO_PARENT; 7403 } 7404 ComponentName forwardingActivityComponentName = new ComponentName( 7405 mAndroidApplication.packageName, className); 7406 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 7407 sourceUserId); 7408 if (!targetIsProfile) { 7409 forwardingActivityInfo.showUserIcon = targetUserId; 7410 forwardingResolveInfo.noResourceId = true; 7411 } 7412 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 7413 forwardingResolveInfo.priority = 0; 7414 forwardingResolveInfo.preferredOrder = 0; 7415 forwardingResolveInfo.match = 0; 7416 forwardingResolveInfo.isDefault = true; 7417 forwardingResolveInfo.filter = filter; 7418 forwardingResolveInfo.targetUserId = targetUserId; 7419 return forwardingResolveInfo; 7420 } 7421 7422 @Override 7423 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 7424 Intent[] specifics, String[] specificTypes, Intent intent, 7425 String resolvedType, int flags, int userId) { 7426 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 7427 specificTypes, intent, resolvedType, flags, userId)); 7428 } 7429 7430 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 7431 Intent[] specifics, String[] specificTypes, Intent intent, 7432 String resolvedType, int flags, int userId) { 7433 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7434 final int callingUid = Binder.getCallingUid(); 7435 flags = updateFlagsForResolve(flags, userId, intent, callingUid, 7436 false /*includeInstantApps*/); 7437 enforceCrossUserPermission(callingUid, userId, 7438 false /*requireFullPermission*/, false /*checkShell*/, 7439 "query intent activity options"); 7440 final String resultsAction = intent.getAction(); 7441 7442 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 7443 | PackageManager.GET_RESOLVED_FILTER, userId); 7444 7445 if (DEBUG_INTENT_MATCHING) { 7446 Log.v(TAG, "Query " + intent + ": " + results); 7447 } 7448 7449 int specificsPos = 0; 7450 int N; 7451 7452 // todo: note that the algorithm used here is O(N^2). This 7453 // isn't a problem in our current environment, but if we start running 7454 // into situations where we have more than 5 or 10 matches then this 7455 // should probably be changed to something smarter... 7456 7457 // First we go through and resolve each of the specific items 7458 // that were supplied, taking care of removing any corresponding 7459 // duplicate items in the generic resolve list. 7460 if (specifics != null) { 7461 for (int i=0; i<specifics.length; i++) { 7462 final Intent sintent = specifics[i]; 7463 if (sintent == null) { 7464 continue; 7465 } 7466 7467 if (DEBUG_INTENT_MATCHING) { 7468 Log.v(TAG, "Specific #" + i + ": " + sintent); 7469 } 7470 7471 String action = sintent.getAction(); 7472 if (resultsAction != null && resultsAction.equals(action)) { 7473 // If this action was explicitly requested, then don't 7474 // remove things that have it. 7475 action = null; 7476 } 7477 7478 ResolveInfo ri = null; 7479 ActivityInfo ai = null; 7480 7481 ComponentName comp = sintent.getComponent(); 7482 if (comp == null) { 7483 ri = resolveIntent( 7484 sintent, 7485 specificTypes != null ? specificTypes[i] : null, 7486 flags, userId); 7487 if (ri == null) { 7488 continue; 7489 } 7490 if (ri == mResolveInfo) { 7491 // ACK! Must do something better with this. 7492 } 7493 ai = ri.activityInfo; 7494 comp = new ComponentName(ai.applicationInfo.packageName, 7495 ai.name); 7496 } else { 7497 ai = getActivityInfo(comp, flags, userId); 7498 if (ai == null) { 7499 continue; 7500 } 7501 } 7502 7503 // Look for any generic query activities that are duplicates 7504 // of this specific one, and remove them from the results. 7505 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 7506 N = results.size(); 7507 int j; 7508 for (j=specificsPos; j<N; j++) { 7509 ResolveInfo sri = results.get(j); 7510 if ((sri.activityInfo.name.equals(comp.getClassName()) 7511 && sri.activityInfo.applicationInfo.packageName.equals( 7512 comp.getPackageName())) 7513 || (action != null && sri.filter.matchAction(action))) { 7514 results.remove(j); 7515 if (DEBUG_INTENT_MATCHING) Log.v( 7516 TAG, "Removing duplicate item from " + j 7517 + " due to specific " + specificsPos); 7518 if (ri == null) { 7519 ri = sri; 7520 } 7521 j--; 7522 N--; 7523 } 7524 } 7525 7526 // Add this specific item to its proper place. 7527 if (ri == null) { 7528 ri = new ResolveInfo(); 7529 ri.activityInfo = ai; 7530 } 7531 results.add(specificsPos, ri); 7532 ri.specificIndex = i; 7533 specificsPos++; 7534 } 7535 } 7536 7537 // Now we go through the remaining generic results and remove any 7538 // duplicate actions that are found here. 7539 N = results.size(); 7540 for (int i=specificsPos; i<N-1; i++) { 7541 final ResolveInfo rii = results.get(i); 7542 if (rii.filter == null) { 7543 continue; 7544 } 7545 7546 // Iterate over all of the actions of this result's intent 7547 // filter... typically this should be just one. 7548 final Iterator<String> it = rii.filter.actionsIterator(); 7549 if (it == null) { 7550 continue; 7551 } 7552 while (it.hasNext()) { 7553 final String action = it.next(); 7554 if (resultsAction != null && resultsAction.equals(action)) { 7555 // If this action was explicitly requested, then don't 7556 // remove things that have it. 7557 continue; 7558 } 7559 for (int j=i+1; j<N; j++) { 7560 final ResolveInfo rij = results.get(j); 7561 if (rij.filter != null && rij.filter.hasAction(action)) { 7562 results.remove(j); 7563 if (DEBUG_INTENT_MATCHING) Log.v( 7564 TAG, "Removing duplicate item from " + j 7565 + " due to action " + action + " at " + i); 7566 j--; 7567 N--; 7568 } 7569 } 7570 } 7571 7572 // If the caller didn't request filter information, drop it now 7573 // so we don't have to marshall/unmarshall it. 7574 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 7575 rii.filter = null; 7576 } 7577 } 7578 7579 // Filter out the caller activity if so requested. 7580 if (caller != null) { 7581 N = results.size(); 7582 for (int i=0; i<N; i++) { 7583 ActivityInfo ainfo = results.get(i).activityInfo; 7584 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 7585 && caller.getClassName().equals(ainfo.name)) { 7586 results.remove(i); 7587 break; 7588 } 7589 } 7590 } 7591 7592 // If the caller didn't request filter information, 7593 // drop them now so we don't have to 7594 // marshall/unmarshall it. 7595 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 7596 N = results.size(); 7597 for (int i=0; i<N; i++) { 7598 results.get(i).filter = null; 7599 } 7600 } 7601 7602 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 7603 return results; 7604 } 7605 7606 @Override 7607 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 7608 String resolvedType, int flags, int userId) { 7609 return new ParceledListSlice<>( 7610 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 7611 } 7612 7613 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 7614 String resolvedType, int flags, int userId) { 7615 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7616 final int callingUid = Binder.getCallingUid(); 7617 final String instantAppPkgName = getInstantAppPackageName(callingUid); 7618 flags = updateFlagsForResolve(flags, userId, intent, callingUid, 7619 false /*includeInstantApps*/); 7620 ComponentName comp = intent.getComponent(); 7621 if (comp == null) { 7622 if (intent.getSelector() != null) { 7623 intent = intent.getSelector(); 7624 comp = intent.getComponent(); 7625 } 7626 } 7627 if (comp != null) { 7628 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 7629 final ActivityInfo ai = getReceiverInfo(comp, flags, userId); 7630 if (ai != null) { 7631 // When specifying an explicit component, we prevent the activity from being 7632 // used when either 1) the calling package is normal and the activity is within 7633 // an instant application or 2) the calling package is ephemeral and the 7634 // activity is not visible to instant applications. 7635 final boolean matchInstantApp = 7636 (flags & PackageManager.MATCH_INSTANT) != 0; 7637 final boolean matchVisibleToInstantAppOnly = 7638 (flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 7639 final boolean matchExplicitlyVisibleOnly = 7640 (flags & PackageManager.MATCH_EXPLICITLY_VISIBLE_ONLY) != 0; 7641 final boolean isCallerInstantApp = 7642 instantAppPkgName != null; 7643 final boolean isTargetSameInstantApp = 7644 comp.getPackageName().equals(instantAppPkgName); 7645 final boolean isTargetInstantApp = 7646 (ai.applicationInfo.privateFlags 7647 & ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0; 7648 final boolean isTargetVisibleToInstantApp = 7649 (ai.flags & ActivityInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0; 7650 final boolean isTargetExplicitlyVisibleToInstantApp = 7651 isTargetVisibleToInstantApp 7652 && (ai.flags & ActivityInfo.FLAG_IMPLICITLY_VISIBLE_TO_INSTANT_APP) == 0; 7653 final boolean isTargetHiddenFromInstantApp = 7654 !isTargetVisibleToInstantApp 7655 || (matchExplicitlyVisibleOnly && !isTargetExplicitlyVisibleToInstantApp); 7656 final boolean blockResolution = 7657 !isTargetSameInstantApp 7658 && ((!matchInstantApp && !isCallerInstantApp && isTargetInstantApp) 7659 || (matchVisibleToInstantAppOnly && isCallerInstantApp 7660 && isTargetHiddenFromInstantApp)); 7661 if (!blockResolution) { 7662 ResolveInfo ri = new ResolveInfo(); 7663 ri.activityInfo = ai; 7664 list.add(ri); 7665 } 7666 } 7667 return applyPostResolutionFilter(list, instantAppPkgName); 7668 } 7669 7670 // reader 7671 synchronized (mPackages) { 7672 String pkgName = intent.getPackage(); 7673 if (pkgName == null) { 7674 final List<ResolveInfo> result = 7675 mReceivers.queryIntent(intent, resolvedType, flags, userId); 7676 return applyPostResolutionFilter(result, instantAppPkgName); 7677 } 7678 final PackageParser.Package pkg = mPackages.get(pkgName); 7679 if (pkg != null) { 7680 final List<ResolveInfo> result = mReceivers.queryIntentForPackage( 7681 intent, resolvedType, flags, pkg.receivers, userId); 7682 return applyPostResolutionFilter(result, instantAppPkgName); 7683 } 7684 return Collections.emptyList(); 7685 } 7686 } 7687 7688 @Override 7689 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 7690 final int callingUid = Binder.getCallingUid(); 7691 return resolveServiceInternal(intent, resolvedType, flags, userId, callingUid); 7692 } 7693 7694 private ResolveInfo resolveServiceInternal(Intent intent, String resolvedType, int flags, 7695 int userId, int callingUid) { 7696 if (!sUserManager.exists(userId)) return null; 7697 flags = updateFlagsForResolve( 7698 flags, userId, intent, callingUid, false /*includeInstantApps*/); 7699 List<ResolveInfo> query = queryIntentServicesInternal( 7700 intent, resolvedType, flags, userId, callingUid, false /*includeInstantApps*/); 7701 if (query != null) { 7702 if (query.size() >= 1) { 7703 // If there is more than one service with the same priority, 7704 // just arbitrarily pick the first one. 7705 return query.get(0); 7706 } 7707 } 7708 return null; 7709 } 7710 7711 @Override 7712 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 7713 String resolvedType, int flags, int userId) { 7714 final int callingUid = Binder.getCallingUid(); 7715 return new ParceledListSlice<>(queryIntentServicesInternal( 7716 intent, resolvedType, flags, userId, callingUid, false /*includeInstantApps*/)); 7717 } 7718 7719 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 7720 String resolvedType, int flags, int userId, int callingUid, 7721 boolean includeInstantApps) { 7722 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7723 final String instantAppPkgName = getInstantAppPackageName(callingUid); 7724 flags = updateFlagsForResolve(flags, userId, intent, callingUid, includeInstantApps); 7725 ComponentName comp = intent.getComponent(); 7726 if (comp == null) { 7727 if (intent.getSelector() != null) { 7728 intent = intent.getSelector(); 7729 comp = intent.getComponent(); 7730 } 7731 } 7732 if (comp != null) { 7733 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 7734 final ServiceInfo si = getServiceInfo(comp, flags, userId); 7735 if (si != null) { 7736 // When specifying an explicit component, we prevent the service from being 7737 // used when either 1) the service is in an instant application and the 7738 // caller is not the same instant application or 2) the calling package is 7739 // ephemeral and the activity is not visible to ephemeral applications. 7740 final boolean matchInstantApp = 7741 (flags & PackageManager.MATCH_INSTANT) != 0; 7742 final boolean matchVisibleToInstantAppOnly = 7743 (flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 7744 final boolean isCallerInstantApp = 7745 instantAppPkgName != null; 7746 final boolean isTargetSameInstantApp = 7747 comp.getPackageName().equals(instantAppPkgName); 7748 final boolean isTargetInstantApp = 7749 (si.applicationInfo.privateFlags 7750 & ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0; 7751 final boolean isTargetHiddenFromInstantApp = 7752 (si.flags & ServiceInfo.FLAG_VISIBLE_TO_INSTANT_APP) == 0; 7753 final boolean blockResolution = 7754 !isTargetSameInstantApp 7755 && ((!matchInstantApp && !isCallerInstantApp && isTargetInstantApp) 7756 || (matchVisibleToInstantAppOnly && isCallerInstantApp 7757 && isTargetHiddenFromInstantApp)); 7758 if (!blockResolution) { 7759 final ResolveInfo ri = new ResolveInfo(); 7760 ri.serviceInfo = si; 7761 list.add(ri); 7762 } 7763 } 7764 return list; 7765 } 7766 7767 // reader 7768 synchronized (mPackages) { 7769 String pkgName = intent.getPackage(); 7770 if (pkgName == null) { 7771 return applyPostServiceResolutionFilter( 7772 mServices.queryIntent(intent, resolvedType, flags, userId), 7773 instantAppPkgName); 7774 } 7775 final PackageParser.Package pkg = mPackages.get(pkgName); 7776 if (pkg != null) { 7777 return applyPostServiceResolutionFilter( 7778 mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 7779 userId), 7780 instantAppPkgName); 7781 } 7782 return Collections.emptyList(); 7783 } 7784 } 7785 7786 private List<ResolveInfo> applyPostServiceResolutionFilter(List<ResolveInfo> resolveInfos, 7787 String instantAppPkgName) { 7788 // TODO: When adding on-demand split support for non-instant apps, remove this check 7789 // and always apply post filtering 7790 if (instantAppPkgName == null) { 7791 return resolveInfos; 7792 } 7793 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 7794 final ResolveInfo info = resolveInfos.get(i); 7795 final boolean isEphemeralApp = info.serviceInfo.applicationInfo.isInstantApp(); 7796 // allow services that are defined in the provided package 7797 if (isEphemeralApp && instantAppPkgName.equals(info.serviceInfo.packageName)) { 7798 if (info.serviceInfo.splitName != null 7799 && !ArrayUtils.contains(info.serviceInfo.applicationInfo.splitNames, 7800 info.serviceInfo.splitName)) { 7801 // requested service is defined in a split that hasn't been installed yet. 7802 // add the installer to the resolve list 7803 if (DEBUG_EPHEMERAL) { 7804 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 7805 } 7806 final ResolveInfo installerInfo = new ResolveInfo(mInstantAppInstallerInfo); 7807 installerInfo.auxiliaryInfo = new AuxiliaryResolveInfo( 7808 info.serviceInfo.packageName, info.serviceInfo.splitName, 7809 info.serviceInfo.applicationInfo.versionCode, null /*failureIntent*/); 7810 // make sure this resolver is the default 7811 installerInfo.isDefault = true; 7812 installerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 7813 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 7814 // add a non-generic filter 7815 installerInfo.filter = new IntentFilter(); 7816 // load resources from the correct package 7817 installerInfo.resolvePackageName = info.getComponentInfo().packageName; 7818 resolveInfos.set(i, installerInfo); 7819 } 7820 continue; 7821 } 7822 // allow services that have been explicitly exposed to ephemeral apps 7823 if (!isEphemeralApp 7824 && ((info.serviceInfo.flags & ServiceInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0)) { 7825 continue; 7826 } 7827 resolveInfos.remove(i); 7828 } 7829 return resolveInfos; 7830 } 7831 7832 @Override 7833 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 7834 String resolvedType, int flags, int userId) { 7835 return new ParceledListSlice<>( 7836 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 7837 } 7838 7839 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 7840 Intent intent, String resolvedType, int flags, int userId) { 7841 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7842 final int callingUid = Binder.getCallingUid(); 7843 final String instantAppPkgName = getInstantAppPackageName(callingUid); 7844 flags = updateFlagsForResolve(flags, userId, intent, callingUid, 7845 false /*includeInstantApps*/); 7846 ComponentName comp = intent.getComponent(); 7847 if (comp == null) { 7848 if (intent.getSelector() != null) { 7849 intent = intent.getSelector(); 7850 comp = intent.getComponent(); 7851 } 7852 } 7853 if (comp != null) { 7854 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 7855 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 7856 if (pi != null) { 7857 // When specifying an explicit component, we prevent the provider from being 7858 // used when either 1) the provider is in an instant application and the 7859 // caller is not the same instant application or 2) the calling package is an 7860 // instant application and the provider is not visible to instant applications. 7861 final boolean matchInstantApp = 7862 (flags & PackageManager.MATCH_INSTANT) != 0; 7863 final boolean matchVisibleToInstantAppOnly = 7864 (flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 7865 final boolean isCallerInstantApp = 7866 instantAppPkgName != null; 7867 final boolean isTargetSameInstantApp = 7868 comp.getPackageName().equals(instantAppPkgName); 7869 final boolean isTargetInstantApp = 7870 (pi.applicationInfo.privateFlags 7871 & ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0; 7872 final boolean isTargetHiddenFromInstantApp = 7873 (pi.flags & ProviderInfo.FLAG_VISIBLE_TO_INSTANT_APP) == 0; 7874 final boolean blockResolution = 7875 !isTargetSameInstantApp 7876 && ((!matchInstantApp && !isCallerInstantApp && isTargetInstantApp) 7877 || (matchVisibleToInstantAppOnly && isCallerInstantApp 7878 && isTargetHiddenFromInstantApp)); 7879 if (!blockResolution) { 7880 final ResolveInfo ri = new ResolveInfo(); 7881 ri.providerInfo = pi; 7882 list.add(ri); 7883 } 7884 } 7885 return list; 7886 } 7887 7888 // reader 7889 synchronized (mPackages) { 7890 String pkgName = intent.getPackage(); 7891 if (pkgName == null) { 7892 return applyPostContentProviderResolutionFilter( 7893 mProviders.queryIntent(intent, resolvedType, flags, userId), 7894 instantAppPkgName); 7895 } 7896 final PackageParser.Package pkg = mPackages.get(pkgName); 7897 if (pkg != null) { 7898 return applyPostContentProviderResolutionFilter( 7899 mProviders.queryIntentForPackage( 7900 intent, resolvedType, flags, pkg.providers, userId), 7901 instantAppPkgName); 7902 } 7903 return Collections.emptyList(); 7904 } 7905 } 7906 7907 private List<ResolveInfo> applyPostContentProviderResolutionFilter( 7908 List<ResolveInfo> resolveInfos, String instantAppPkgName) { 7909 // TODO: When adding on-demand split support for non-instant applications, remove 7910 // this check and always apply post filtering 7911 if (instantAppPkgName == null) { 7912 return resolveInfos; 7913 } 7914 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 7915 final ResolveInfo info = resolveInfos.get(i); 7916 final boolean isEphemeralApp = info.providerInfo.applicationInfo.isInstantApp(); 7917 // allow providers that are defined in the provided package 7918 if (isEphemeralApp && instantAppPkgName.equals(info.providerInfo.packageName)) { 7919 if (info.providerInfo.splitName != null 7920 && !ArrayUtils.contains(info.providerInfo.applicationInfo.splitNames, 7921 info.providerInfo.splitName)) { 7922 // requested provider is defined in a split that hasn't been installed yet. 7923 // add the installer to the resolve list 7924 if (DEBUG_EPHEMERAL) { 7925 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 7926 } 7927 final ResolveInfo installerInfo = new ResolveInfo(mInstantAppInstallerInfo); 7928 installerInfo.auxiliaryInfo = new AuxiliaryResolveInfo( 7929 info.providerInfo.packageName, info.providerInfo.splitName, 7930 info.providerInfo.applicationInfo.versionCode, null /*failureIntent*/); 7931 // make sure this resolver is the default 7932 installerInfo.isDefault = true; 7933 installerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 7934 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 7935 // add a non-generic filter 7936 installerInfo.filter = new IntentFilter(); 7937 // load resources from the correct package 7938 installerInfo.resolvePackageName = info.getComponentInfo().packageName; 7939 resolveInfos.set(i, installerInfo); 7940 } 7941 continue; 7942 } 7943 // allow providers that have been explicitly exposed to instant applications 7944 if (!isEphemeralApp 7945 && ((info.providerInfo.flags & ProviderInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0)) { 7946 continue; 7947 } 7948 resolveInfos.remove(i); 7949 } 7950 return resolveInfos; 7951 } 7952 7953 @Override 7954 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 7955 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 7956 return ParceledListSlice.emptyList(); 7957 } 7958 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7959 flags = updateFlagsForPackage(flags, userId, null); 7960 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7961 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7962 true /* requireFullPermission */, false /* checkShell */, 7963 "get installed packages"); 7964 7965 // writer 7966 synchronized (mPackages) { 7967 ArrayList<PackageInfo> list; 7968 if (listUninstalled) { 7969 list = new ArrayList<>(mSettings.mPackages.size()); 7970 for (PackageSetting ps : mSettings.mPackages.values()) { 7971 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId, flags)) { 7972 continue; 7973 } 7974 final PackageInfo pi = generatePackageInfo(ps, flags, userId); 7975 if (pi != null) { 7976 list.add(pi); 7977 } 7978 } 7979 } else { 7980 list = new ArrayList<>(mPackages.size()); 7981 for (PackageParser.Package p : mPackages.values()) { 7982 if (filterSharedLibPackageLPr((PackageSetting) p.mExtras, 7983 Binder.getCallingUid(), userId, flags)) { 7984 continue; 7985 } 7986 final PackageInfo pi = generatePackageInfo((PackageSetting) 7987 p.mExtras, flags, userId); 7988 if (pi != null) { 7989 list.add(pi); 7990 } 7991 } 7992 } 7993 7994 return new ParceledListSlice<>(list); 7995 } 7996 } 7997 7998 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 7999 String[] permissions, boolean[] tmp, int flags, int userId) { 8000 int numMatch = 0; 8001 final PermissionsState permissionsState = ps.getPermissionsState(); 8002 for (int i=0; i<permissions.length; i++) { 8003 final String permission = permissions[i]; 8004 if (permissionsState.hasPermission(permission, userId)) { 8005 tmp[i] = true; 8006 numMatch++; 8007 } else { 8008 tmp[i] = false; 8009 } 8010 } 8011 if (numMatch == 0) { 8012 return; 8013 } 8014 final PackageInfo pi = generatePackageInfo(ps, flags, userId); 8015 8016 // The above might return null in cases of uninstalled apps or install-state 8017 // skew across users/profiles. 8018 if (pi != null) { 8019 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 8020 if (numMatch == permissions.length) { 8021 pi.requestedPermissions = permissions; 8022 } else { 8023 pi.requestedPermissions = new String[numMatch]; 8024 numMatch = 0; 8025 for (int i=0; i<permissions.length; i++) { 8026 if (tmp[i]) { 8027 pi.requestedPermissions[numMatch] = permissions[i]; 8028 numMatch++; 8029 } 8030 } 8031 } 8032 } 8033 list.add(pi); 8034 } 8035 } 8036 8037 @Override 8038 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 8039 String[] permissions, int flags, int userId) { 8040 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 8041 flags = updateFlagsForPackage(flags, userId, permissions); 8042 enforceCrossUserPermission(Binder.getCallingUid(), userId, 8043 true /* requireFullPermission */, false /* checkShell */, 8044 "get packages holding permissions"); 8045 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 8046 8047 // writer 8048 synchronized (mPackages) { 8049 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 8050 boolean[] tmpBools = new boolean[permissions.length]; 8051 if (listUninstalled) { 8052 for (PackageSetting ps : mSettings.mPackages.values()) { 8053 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 8054 userId); 8055 } 8056 } else { 8057 for (PackageParser.Package pkg : mPackages.values()) { 8058 PackageSetting ps = (PackageSetting)pkg.mExtras; 8059 if (ps != null) { 8060 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 8061 userId); 8062 } 8063 } 8064 } 8065 8066 return new ParceledListSlice<PackageInfo>(list); 8067 } 8068 } 8069 8070 @Override 8071 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 8072 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 8073 return ParceledListSlice.emptyList(); 8074 } 8075 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 8076 flags = updateFlagsForApplication(flags, userId, null); 8077 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 8078 8079 // writer 8080 synchronized (mPackages) { 8081 ArrayList<ApplicationInfo> list; 8082 if (listUninstalled) { 8083 list = new ArrayList<>(mSettings.mPackages.size()); 8084 for (PackageSetting ps : mSettings.mPackages.values()) { 8085 ApplicationInfo ai; 8086 int effectiveFlags = flags; 8087 if (ps.isSystem()) { 8088 effectiveFlags |= PackageManager.MATCH_ANY_USER; 8089 } 8090 if (ps.pkg != null) { 8091 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId, flags)) { 8092 continue; 8093 } 8094 ai = PackageParser.generateApplicationInfo(ps.pkg, effectiveFlags, 8095 ps.readUserState(userId), userId); 8096 if (ai != null) { 8097 rebaseEnabledOverlays(ai, userId); 8098 ai.packageName = resolveExternalPackageNameLPr(ps.pkg); 8099 } 8100 } else { 8101 // Shared lib filtering done in generateApplicationInfoFromSettingsLPw 8102 // and already converts to externally visible package name 8103 ai = generateApplicationInfoFromSettingsLPw(ps.name, 8104 Binder.getCallingUid(), effectiveFlags, userId); 8105 } 8106 if (ai != null) { 8107 list.add(ai); 8108 } 8109 } 8110 } else { 8111 list = new ArrayList<>(mPackages.size()); 8112 for (PackageParser.Package p : mPackages.values()) { 8113 if (p.mExtras != null) { 8114 PackageSetting ps = (PackageSetting) p.mExtras; 8115 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId, flags)) { 8116 continue; 8117 } 8118 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 8119 ps.readUserState(userId), userId); 8120 if (ai != null) { 8121 rebaseEnabledOverlays(ai, userId); 8122 ai.packageName = resolveExternalPackageNameLPr(p); 8123 list.add(ai); 8124 } 8125 } 8126 } 8127 } 8128 8129 return new ParceledListSlice<>(list); 8130 } 8131 } 8132 8133 @Override 8134 public ParceledListSlice<InstantAppInfo> getInstantApps(int userId) { 8135 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 8136 return null; 8137 } 8138 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_INSTANT_APPS, 8139 "getEphemeralApplications"); 8140 enforceCrossUserPermission(Binder.getCallingUid(), userId, 8141 true /* requireFullPermission */, false /* checkShell */, 8142 "getEphemeralApplications"); 8143 synchronized (mPackages) { 8144 List<InstantAppInfo> instantApps = mInstantAppRegistry 8145 .getInstantAppsLPr(userId); 8146 if (instantApps != null) { 8147 return new ParceledListSlice<>(instantApps); 8148 } 8149 } 8150 return null; 8151 } 8152 8153 @Override 8154 public boolean isInstantApp(String packageName, int userId) { 8155 enforceCrossUserPermission(Binder.getCallingUid(), userId, 8156 true /* requireFullPermission */, false /* checkShell */, 8157 "isInstantApp"); 8158 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 8159 return false; 8160 } 8161 int callingUid = Binder.getCallingUid(); 8162 if (Process.isIsolated(callingUid)) { 8163 callingUid = mIsolatedOwners.get(callingUid); 8164 } 8165 8166 synchronized (mPackages) { 8167 final PackageSetting ps = mSettings.mPackages.get(packageName); 8168 PackageParser.Package pkg = mPackages.get(packageName); 8169 final boolean returnAllowed = 8170 ps != null 8171 && (isCallerSameApp(packageName, callingUid) 8172 || canViewInstantApps(callingUid, userId) 8173 || mInstantAppRegistry.isInstantAccessGranted( 8174 userId, UserHandle.getAppId(callingUid), ps.appId)); 8175 if (returnAllowed) { 8176 return ps.getInstantApp(userId); 8177 } 8178 } 8179 return false; 8180 } 8181 8182 @Override 8183 public byte[] getInstantAppCookie(String packageName, int userId) { 8184 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 8185 return null; 8186 } 8187 8188 enforceCrossUserPermission(Binder.getCallingUid(), userId, 8189 true /* requireFullPermission */, false /* checkShell */, 8190 "getInstantAppCookie"); 8191 if (!isCallerSameApp(packageName, Binder.getCallingUid())) { 8192 return null; 8193 } 8194 synchronized (mPackages) { 8195 return mInstantAppRegistry.getInstantAppCookieLPw( 8196 packageName, userId); 8197 } 8198 } 8199 8200 @Override 8201 public boolean setInstantAppCookie(String packageName, byte[] cookie, int userId) { 8202 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 8203 return true; 8204 } 8205 8206 enforceCrossUserPermission(Binder.getCallingUid(), userId, 8207 true /* requireFullPermission */, true /* checkShell */, 8208 "setInstantAppCookie"); 8209 if (!isCallerSameApp(packageName, Binder.getCallingUid())) { 8210 return false; 8211 } 8212 synchronized (mPackages) { 8213 return mInstantAppRegistry.setInstantAppCookieLPw( 8214 packageName, cookie, userId); 8215 } 8216 } 8217 8218 @Override 8219 public Bitmap getInstantAppIcon(String packageName, int userId) { 8220 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 8221 return null; 8222 } 8223 8224 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_INSTANT_APPS, 8225 "getInstantAppIcon"); 8226 8227 enforceCrossUserPermission(Binder.getCallingUid(), userId, 8228 true /* requireFullPermission */, false /* checkShell */, 8229 "getInstantAppIcon"); 8230 8231 synchronized (mPackages) { 8232 return mInstantAppRegistry.getInstantAppIconLPw( 8233 packageName, userId); 8234 } 8235 } 8236 8237 private boolean isCallerSameApp(String packageName, int uid) { 8238 PackageParser.Package pkg = mPackages.get(packageName); 8239 return pkg != null 8240 && UserHandle.getAppId(uid) == pkg.applicationInfo.uid; 8241 } 8242 8243 @Override 8244 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 8245 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 8246 return ParceledListSlice.emptyList(); 8247 } 8248 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 8249 } 8250 8251 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 8252 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 8253 8254 // reader 8255 synchronized (mPackages) { 8256 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 8257 final int userId = UserHandle.getCallingUserId(); 8258 while (i.hasNext()) { 8259 final PackageParser.Package p = i.next(); 8260 if (p.applicationInfo == null) continue; 8261 8262 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 8263 && !p.applicationInfo.isDirectBootAware(); 8264 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 8265 && p.applicationInfo.isDirectBootAware(); 8266 8267 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 8268 && (!mSafeMode || isSystemApp(p)) 8269 && (matchesUnaware || matchesAware)) { 8270 PackageSetting ps = mSettings.mPackages.get(p.packageName); 8271 if (ps != null) { 8272 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 8273 ps.readUserState(userId), userId); 8274 if (ai != null) { 8275 rebaseEnabledOverlays(ai, userId); 8276 finalList.add(ai); 8277 } 8278 } 8279 } 8280 } 8281 } 8282 8283 return finalList; 8284 } 8285 8286 @Override 8287 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 8288 if (!sUserManager.exists(userId)) return null; 8289 flags = updateFlagsForComponent(flags, userId, name); 8290 final String instantAppPkgName = getInstantAppPackageName(Binder.getCallingUid()); 8291 // reader 8292 synchronized (mPackages) { 8293 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 8294 PackageSetting ps = provider != null 8295 ? mSettings.mPackages.get(provider.owner.packageName) 8296 : null; 8297 if (ps != null) { 8298 final boolean isInstantApp = ps.getInstantApp(userId); 8299 // normal application; filter out instant application provider 8300 if (instantAppPkgName == null && isInstantApp) { 8301 return null; 8302 } 8303 // instant application; filter out other instant applications 8304 if (instantAppPkgName != null 8305 && isInstantApp 8306 && !provider.owner.packageName.equals(instantAppPkgName)) { 8307 return null; 8308 } 8309 // instant application; filter out non-exposed provider 8310 if (instantAppPkgName != null 8311 && !isInstantApp 8312 && (provider.info.flags & ProviderInfo.FLAG_VISIBLE_TO_INSTANT_APP) == 0) { 8313 return null; 8314 } 8315 // provider not enabled 8316 if (!mSettings.isEnabledAndMatchLPr(provider.info, flags, userId)) { 8317 return null; 8318 } 8319 return PackageParser.generateProviderInfo( 8320 provider, flags, ps.readUserState(userId), userId); 8321 } 8322 return null; 8323 } 8324 } 8325 8326 /** 8327 * @deprecated 8328 */ 8329 @Deprecated 8330 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 8331 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 8332 return; 8333 } 8334 // reader 8335 synchronized (mPackages) { 8336 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 8337 .entrySet().iterator(); 8338 final int userId = UserHandle.getCallingUserId(); 8339 while (i.hasNext()) { 8340 Map.Entry<String, PackageParser.Provider> entry = i.next(); 8341 PackageParser.Provider p = entry.getValue(); 8342 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 8343 8344 if (ps != null && p.syncable 8345 && (!mSafeMode || (p.info.applicationInfo.flags 8346 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 8347 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 8348 ps.readUserState(userId), userId); 8349 if (info != null) { 8350 outNames.add(entry.getKey()); 8351 outInfo.add(info); 8352 } 8353 } 8354 } 8355 } 8356 } 8357 8358 @Override 8359 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 8360 int uid, int flags, String metaDataKey) { 8361 final int callingUid = Binder.getCallingUid(); 8362 final int userId = processName != null ? UserHandle.getUserId(uid) 8363 : UserHandle.getCallingUserId(); 8364 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 8365 flags = updateFlagsForComponent(flags, userId, processName); 8366 ArrayList<ProviderInfo> finalList = null; 8367 // reader 8368 synchronized (mPackages) { 8369 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 8370 while (i.hasNext()) { 8371 final PackageParser.Provider p = i.next(); 8372 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 8373 if (ps != null && p.info.authority != null 8374 && (processName == null 8375 || (p.info.processName.equals(processName) 8376 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 8377 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 8378 8379 // See PM.queryContentProviders()'s javadoc for why we have the metaData 8380 // parameter. 8381 if (metaDataKey != null 8382 && (p.metaData == null || !p.metaData.containsKey(metaDataKey))) { 8383 continue; 8384 } 8385 final ComponentName component = 8386 new ComponentName(p.info.packageName, p.info.name); 8387 if (filterAppAccessLPr(ps, callingUid, component, TYPE_PROVIDER, userId)) { 8388 continue; 8389 } 8390 if (finalList == null) { 8391 finalList = new ArrayList<ProviderInfo>(3); 8392 } 8393 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 8394 ps.readUserState(userId), userId); 8395 if (info != null) { 8396 finalList.add(info); 8397 } 8398 } 8399 } 8400 } 8401 8402 if (finalList != null) { 8403 Collections.sort(finalList, mProviderInitOrderSorter); 8404 return new ParceledListSlice<ProviderInfo>(finalList); 8405 } 8406 8407 return ParceledListSlice.emptyList(); 8408 } 8409 8410 @Override 8411 public InstrumentationInfo getInstrumentationInfo(ComponentName component, int flags) { 8412 // reader 8413 synchronized (mPackages) { 8414 final int callingUid = Binder.getCallingUid(); 8415 final int callingUserId = UserHandle.getUserId(callingUid); 8416 final PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 8417 if (ps == null) return null; 8418 if (filterAppAccessLPr(ps, callingUid, component, TYPE_UNKNOWN, callingUserId)) { 8419 return null; 8420 } 8421 final PackageParser.Instrumentation i = mInstrumentation.get(component); 8422 return PackageParser.generateInstrumentationInfo(i, flags); 8423 } 8424 } 8425 8426 @Override 8427 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 8428 String targetPackage, int flags) { 8429 final int callingUid = Binder.getCallingUid(); 8430 final int callingUserId = UserHandle.getUserId(callingUid); 8431 final PackageSetting ps = mSettings.mPackages.get(targetPackage); 8432 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 8433 return ParceledListSlice.emptyList(); 8434 } 8435 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 8436 } 8437 8438 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 8439 int flags) { 8440 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 8441 8442 // reader 8443 synchronized (mPackages) { 8444 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 8445 while (i.hasNext()) { 8446 final PackageParser.Instrumentation p = i.next(); 8447 if (targetPackage == null 8448 || targetPackage.equals(p.info.targetPackage)) { 8449 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 8450 flags); 8451 if (ii != null) { 8452 finalList.add(ii); 8453 } 8454 } 8455 } 8456 } 8457 8458 return finalList; 8459 } 8460 8461 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 8462 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir [" + dir.getAbsolutePath() + "]"); 8463 try { 8464 scanDirLI(dir, parseFlags, scanFlags, currentTime); 8465 } finally { 8466 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8467 } 8468 } 8469 8470 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 8471 final File[] files = dir.listFiles(); 8472 if (ArrayUtils.isEmpty(files)) { 8473 Log.d(TAG, "No files in app dir " + dir); 8474 return; 8475 } 8476 8477 if (DEBUG_PACKAGE_SCANNING) { 8478 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 8479 + " flags=0x" + Integer.toHexString(parseFlags)); 8480 } 8481 ParallelPackageParser parallelPackageParser = new ParallelPackageParser( 8482 mSeparateProcesses, mOnlyCore, mMetrics, mCacheDir, 8483 mParallelPackageParserCallback); 8484 8485 // Submit files for parsing in parallel 8486 int fileCount = 0; 8487 for (File file : files) { 8488 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 8489 && !PackageInstallerService.isStageName(file.getName()); 8490 if (!isPackage) { 8491 // Ignore entries which are not packages 8492 continue; 8493 } 8494 parallelPackageParser.submit(file, parseFlags); 8495 fileCount++; 8496 } 8497 8498 // Process results one by one 8499 for (; fileCount > 0; fileCount--) { 8500 ParallelPackageParser.ParseResult parseResult = parallelPackageParser.take(); 8501 Throwable throwable = parseResult.throwable; 8502 int errorCode = PackageManager.INSTALL_SUCCEEDED; 8503 8504 if (throwable == null) { 8505 // Static shared libraries have synthetic package names 8506 if (parseResult.pkg.applicationInfo.isStaticSharedLibrary()) { 8507 renameStaticSharedLibraryPackage(parseResult.pkg); 8508 } 8509 try { 8510 if (errorCode == PackageManager.INSTALL_SUCCEEDED) { 8511 scanPackageLI(parseResult.pkg, parseResult.scanFile, parseFlags, scanFlags, 8512 currentTime, null); 8513 } 8514 } catch (PackageManagerException e) { 8515 errorCode = e.error; 8516 Slog.w(TAG, "Failed to scan " + parseResult.scanFile + ": " + e.getMessage()); 8517 } 8518 } else if (throwable instanceof PackageParser.PackageParserException) { 8519 PackageParser.PackageParserException e = (PackageParser.PackageParserException) 8520 throwable; 8521 errorCode = e.error; 8522 Slog.w(TAG, "Failed to parse " + parseResult.scanFile + ": " + e.getMessage()); 8523 } else { 8524 throw new IllegalStateException("Unexpected exception occurred while parsing " 8525 + parseResult.scanFile, throwable); 8526 } 8527 8528 // Delete invalid userdata apps 8529 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 8530 errorCode == PackageManager.INSTALL_FAILED_INVALID_APK) { 8531 logCriticalInfo(Log.WARN, 8532 "Deleting invalid package at " + parseResult.scanFile); 8533 removeCodePathLI(parseResult.scanFile); 8534 } 8535 } 8536 parallelPackageParser.close(); 8537 } 8538 8539 private static File getSettingsProblemFile() { 8540 File dataDir = Environment.getDataDirectory(); 8541 File systemDir = new File(dataDir, "system"); 8542 File fname = new File(systemDir, "uiderrors.txt"); 8543 return fname; 8544 } 8545 8546 static void reportSettingsProblem(int priority, String msg) { 8547 logCriticalInfo(priority, msg); 8548 } 8549 8550 public static void logCriticalInfo(int priority, String msg) { 8551 Slog.println(priority, TAG, msg); 8552 EventLogTags.writePmCriticalInfo(msg); 8553 try { 8554 File fname = getSettingsProblemFile(); 8555 FileOutputStream out = new FileOutputStream(fname, true); 8556 PrintWriter pw = new FastPrintWriter(out); 8557 SimpleDateFormat formatter = new SimpleDateFormat(); 8558 String dateString = formatter.format(new Date(System.currentTimeMillis())); 8559 pw.println(dateString + ": " + msg); 8560 pw.close(); 8561 FileUtils.setPermissions( 8562 fname.toString(), 8563 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 8564 -1, -1); 8565 } catch (java.io.IOException e) { 8566 } 8567 } 8568 8569 private long getLastModifiedTime(PackageParser.Package pkg, File srcFile) { 8570 if (srcFile.isDirectory()) { 8571 final File baseFile = new File(pkg.baseCodePath); 8572 long maxModifiedTime = baseFile.lastModified(); 8573 if (pkg.splitCodePaths != null) { 8574 for (int i = pkg.splitCodePaths.length - 1; i >=0; --i) { 8575 final File splitFile = new File(pkg.splitCodePaths[i]); 8576 maxModifiedTime = Math.max(maxModifiedTime, splitFile.lastModified()); 8577 } 8578 } 8579 return maxModifiedTime; 8580 } 8581 return srcFile.lastModified(); 8582 } 8583 8584 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 8585 final int policyFlags) throws PackageManagerException { 8586 // When upgrading from pre-N MR1, verify the package time stamp using the package 8587 // directory and not the APK file. 8588 final long lastModifiedTime = mIsPreNMR1Upgrade 8589 ? new File(pkg.codePath).lastModified() : getLastModifiedTime(pkg, srcFile); 8590 if (ps != null 8591 && ps.codePath.equals(srcFile) 8592 && ps.timeStamp == lastModifiedTime 8593 && !isCompatSignatureUpdateNeeded(pkg) 8594 && !isRecoverSignatureUpdateNeeded(pkg)) { 8595 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 8596 KeySetManagerService ksms = mSettings.mKeySetManagerService; 8597 ArraySet<PublicKey> signingKs; 8598 synchronized (mPackages) { 8599 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 8600 } 8601 if (ps.signatures.mSignatures != null 8602 && ps.signatures.mSignatures.length != 0 8603 && signingKs != null) { 8604 // Optimization: reuse the existing cached certificates 8605 // if the package appears to be unchanged. 8606 pkg.mSignatures = ps.signatures.mSignatures; 8607 pkg.mSigningKeys = signingKs; 8608 return; 8609 } 8610 8611 Slog.w(TAG, "PackageSetting for " + ps.name 8612 + " is missing signatures. Collecting certs again to recover them."); 8613 } else { 8614 Slog.i(TAG, srcFile.toString() + " changed; collecting certs"); 8615 } 8616 8617 try { 8618 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 8619 PackageParser.collectCertificates(pkg, policyFlags); 8620 } catch (PackageParserException e) { 8621 throw PackageManagerException.from(e); 8622 } finally { 8623 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8624 } 8625 } 8626 8627 /** 8628 * Traces a package scan. 8629 * @see #scanPackageLI(File, int, int, long, UserHandle) 8630 */ 8631 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 8632 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 8633 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage [" + scanFile.toString() + "]"); 8634 try { 8635 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 8636 } finally { 8637 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8638 } 8639 } 8640 8641 /** 8642 * Scans a package and returns the newly parsed package. 8643 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 8644 */ 8645 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 8646 long currentTime, UserHandle user) throws PackageManagerException { 8647 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 8648 PackageParser pp = new PackageParser(); 8649 pp.setSeparateProcesses(mSeparateProcesses); 8650 pp.setOnlyCoreApps(mOnlyCore); 8651 pp.setDisplayMetrics(mMetrics); 8652 pp.setCallback(mPackageParserCallback); 8653 8654 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 8655 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 8656 } 8657 8658 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 8659 final PackageParser.Package pkg; 8660 try { 8661 pkg = pp.parsePackage(scanFile, parseFlags); 8662 } catch (PackageParserException e) { 8663 throw PackageManagerException.from(e); 8664 } finally { 8665 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8666 } 8667 8668 // Static shared libraries have synthetic package names 8669 if (pkg.applicationInfo.isStaticSharedLibrary()) { 8670 renameStaticSharedLibraryPackage(pkg); 8671 } 8672 8673 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 8674 } 8675 8676 /** 8677 * Scans a package and returns the newly parsed package. 8678 * @throws PackageManagerException on a parse error. 8679 */ 8680 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 8681 final int policyFlags, int scanFlags, long currentTime, @Nullable UserHandle user) 8682 throws PackageManagerException { 8683 // If the package has children and this is the first dive in the function 8684 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 8685 // packages (parent and children) would be successfully scanned before the 8686 // actual scan since scanning mutates internal state and we want to atomically 8687 // install the package and its children. 8688 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8689 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 8690 scanFlags |= SCAN_CHECK_ONLY; 8691 } 8692 } else { 8693 scanFlags &= ~SCAN_CHECK_ONLY; 8694 } 8695 8696 // Scan the parent 8697 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 8698 scanFlags, currentTime, user); 8699 8700 // Scan the children 8701 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8702 for (int i = 0; i < childCount; i++) { 8703 PackageParser.Package childPackage = pkg.childPackages.get(i); 8704 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 8705 currentTime, user); 8706 } 8707 8708 8709 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8710 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 8711 } 8712 8713 return scannedPkg; 8714 } 8715 8716 /** 8717 * Scans a package and returns the newly parsed package. 8718 * @throws PackageManagerException on a parse error. 8719 */ 8720 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 8721 int policyFlags, int scanFlags, long currentTime, @Nullable UserHandle user) 8722 throws PackageManagerException { 8723 PackageSetting ps = null; 8724 PackageSetting updatedPkg; 8725 // reader 8726 synchronized (mPackages) { 8727 // Look to see if we already know about this package. 8728 String oldName = mSettings.getRenamedPackageLPr(pkg.packageName); 8729 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 8730 // This package has been renamed to its original name. Let's 8731 // use that. 8732 ps = mSettings.getPackageLPr(oldName); 8733 } 8734 // If there was no original package, see one for the real package name. 8735 if (ps == null) { 8736 ps = mSettings.getPackageLPr(pkg.packageName); 8737 } 8738 // Check to see if this package could be hiding/updating a system 8739 // package. Must look for it either under the original or real 8740 // package name depending on our state. 8741 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 8742 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 8743 8744 // If this is a package we don't know about on the system partition, we 8745 // may need to remove disabled child packages on the system partition 8746 // or may need to not add child packages if the parent apk is updated 8747 // on the data partition and no longer defines this child package. 8748 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 8749 // If this is a parent package for an updated system app and this system 8750 // app got an OTA update which no longer defines some of the child packages 8751 // we have to prune them from the disabled system packages. 8752 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 8753 if (disabledPs != null) { 8754 final int scannedChildCount = (pkg.childPackages != null) 8755 ? pkg.childPackages.size() : 0; 8756 final int disabledChildCount = disabledPs.childPackageNames != null 8757 ? disabledPs.childPackageNames.size() : 0; 8758 for (int i = 0; i < disabledChildCount; i++) { 8759 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 8760 boolean disabledPackageAvailable = false; 8761 for (int j = 0; j < scannedChildCount; j++) { 8762 PackageParser.Package childPkg = pkg.childPackages.get(j); 8763 if (childPkg.packageName.equals(disabledChildPackageName)) { 8764 disabledPackageAvailable = true; 8765 break; 8766 } 8767 } 8768 if (!disabledPackageAvailable) { 8769 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 8770 } 8771 } 8772 } 8773 } 8774 } 8775 8776 boolean updatedPkgBetter = false; 8777 // First check if this is a system package that may involve an update 8778 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 8779 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 8780 // it needs to drop FLAG_PRIVILEGED. 8781 if (locationIsPrivileged(scanFile)) { 8782 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 8783 } else { 8784 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 8785 } 8786 8787 if (ps != null && !ps.codePath.equals(scanFile)) { 8788 // The path has changed from what was last scanned... check the 8789 // version of the new path against what we have stored to determine 8790 // what to do. 8791 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 8792 if (pkg.mVersionCode <= ps.versionCode) { 8793 // The system package has been updated and the code path does not match 8794 // Ignore entry. Skip it. 8795 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 8796 + " ignored: updated version " + ps.versionCode 8797 + " better than this " + pkg.mVersionCode); 8798 if (!updatedPkg.codePath.equals(scanFile)) { 8799 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 8800 + ps.name + " changing from " + updatedPkg.codePathString 8801 + " to " + scanFile); 8802 updatedPkg.codePath = scanFile; 8803 updatedPkg.codePathString = scanFile.toString(); 8804 updatedPkg.resourcePath = scanFile; 8805 updatedPkg.resourcePathString = scanFile.toString(); 8806 } 8807 updatedPkg.pkg = pkg; 8808 updatedPkg.versionCode = pkg.mVersionCode; 8809 8810 // Update the disabled system child packages to point to the package too. 8811 final int childCount = updatedPkg.childPackageNames != null 8812 ? updatedPkg.childPackageNames.size() : 0; 8813 for (int i = 0; i < childCount; i++) { 8814 String childPackageName = updatedPkg.childPackageNames.get(i); 8815 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 8816 childPackageName); 8817 if (updatedChildPkg != null) { 8818 updatedChildPkg.pkg = pkg; 8819 updatedChildPkg.versionCode = pkg.mVersionCode; 8820 } 8821 } 8822 8823 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 8824 + scanFile + " ignored: updated version " + ps.versionCode 8825 + " better than this " + pkg.mVersionCode); 8826 } else { 8827 // The current app on the system partition is better than 8828 // what we have updated to on the data partition; switch 8829 // back to the system partition version. 8830 // At this point, its safely assumed that package installation for 8831 // apps in system partition will go through. If not there won't be a working 8832 // version of the app 8833 // writer 8834 synchronized (mPackages) { 8835 // Just remove the loaded entries from package lists. 8836 mPackages.remove(ps.name); 8837 } 8838 8839 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 8840 + " reverting from " + ps.codePathString 8841 + ": new version " + pkg.mVersionCode 8842 + " better than installed " + ps.versionCode); 8843 8844 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 8845 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 8846 synchronized (mInstallLock) { 8847 args.cleanUpResourcesLI(); 8848 } 8849 synchronized (mPackages) { 8850 mSettings.enableSystemPackageLPw(ps.name); 8851 } 8852 updatedPkgBetter = true; 8853 } 8854 } 8855 } 8856 8857 if (updatedPkg != null) { 8858 // An updated system app will not have the PARSE_IS_SYSTEM flag set 8859 // initially 8860 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 8861 8862 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 8863 // flag set initially 8864 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 8865 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 8866 } 8867 } 8868 8869 // Verify certificates against what was last scanned 8870 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 8871 8872 /* 8873 * A new system app appeared, but we already had a non-system one of the 8874 * same name installed earlier. 8875 */ 8876 boolean shouldHideSystemApp = false; 8877 if (updatedPkg == null && ps != null 8878 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 8879 /* 8880 * Check to make sure the signatures match first. If they don't, 8881 * wipe the installed application and its data. 8882 */ 8883 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 8884 != PackageManager.SIGNATURE_MATCH) { 8885 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 8886 + " signatures don't match existing userdata copy; removing"); 8887 try (PackageFreezer freezer = freezePackage(pkg.packageName, 8888 "scanPackageInternalLI")) { 8889 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 8890 } 8891 ps = null; 8892 } else { 8893 /* 8894 * If the newly-added system app is an older version than the 8895 * already installed version, hide it. It will be scanned later 8896 * and re-added like an update. 8897 */ 8898 if (pkg.mVersionCode <= ps.versionCode) { 8899 shouldHideSystemApp = true; 8900 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 8901 + " but new version " + pkg.mVersionCode + " better than installed " 8902 + ps.versionCode + "; hiding system"); 8903 } else { 8904 /* 8905 * The newly found system app is a newer version that the 8906 * one previously installed. Simply remove the 8907 * already-installed application and replace it with our own 8908 * while keeping the application data. 8909 */ 8910 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 8911 + " reverting from " + ps.codePathString + ": new version " 8912 + pkg.mVersionCode + " better than installed " + ps.versionCode); 8913 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 8914 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 8915 synchronized (mInstallLock) { 8916 args.cleanUpResourcesLI(); 8917 } 8918 } 8919 } 8920 } 8921 8922 // The apk is forward locked (not public) if its code and resources 8923 // are kept in different files. (except for app in either system or 8924 // vendor path). 8925 // TODO grab this value from PackageSettings 8926 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8927 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 8928 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 8929 } 8930 } 8931 8932 // TODO: extend to support forward-locked splits 8933 String resourcePath = null; 8934 String baseResourcePath = null; 8935 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 8936 if (ps != null && ps.resourcePathString != null) { 8937 resourcePath = ps.resourcePathString; 8938 baseResourcePath = ps.resourcePathString; 8939 } else { 8940 // Should not happen at all. Just log an error. 8941 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 8942 } 8943 } else { 8944 resourcePath = pkg.codePath; 8945 baseResourcePath = pkg.baseCodePath; 8946 } 8947 8948 // Set application objects path explicitly. 8949 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 8950 pkg.setApplicationInfoCodePath(pkg.codePath); 8951 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 8952 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 8953 pkg.setApplicationInfoResourcePath(resourcePath); 8954 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 8955 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 8956 8957 final int userId = ((user == null) ? 0 : user.getIdentifier()); 8958 if (ps != null && ps.getInstantApp(userId)) { 8959 scanFlags |= SCAN_AS_INSTANT_APP; 8960 } 8961 8962 // Note that we invoke the following method only if we are about to unpack an application 8963 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 8964 | SCAN_UPDATE_SIGNATURE, currentTime, user); 8965 8966 /* 8967 * If the system app should be overridden by a previously installed 8968 * data, hide the system app now and let the /data/app scan pick it up 8969 * again. 8970 */ 8971 if (shouldHideSystemApp) { 8972 synchronized (mPackages) { 8973 mSettings.disableSystemPackageLPw(pkg.packageName, true); 8974 } 8975 } 8976 8977 return scannedPkg; 8978 } 8979 8980 private void renameStaticSharedLibraryPackage(PackageParser.Package pkg) { 8981 // Derive the new package synthetic package name 8982 pkg.setPackageName(pkg.packageName + STATIC_SHARED_LIB_DELIMITER 8983 + pkg.staticSharedLibVersion); 8984 } 8985 8986 private static String fixProcessName(String defProcessName, 8987 String processName) { 8988 if (processName == null) { 8989 return defProcessName; 8990 } 8991 return processName; 8992 } 8993 8994 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 8995 throws PackageManagerException { 8996 if (pkgSetting.signatures.mSignatures != null) { 8997 // Already existing package. Make sure signatures match 8998 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 8999 == PackageManager.SIGNATURE_MATCH; 9000 if (!match) { 9001 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 9002 == PackageManager.SIGNATURE_MATCH; 9003 } 9004 if (!match) { 9005 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 9006 == PackageManager.SIGNATURE_MATCH; 9007 } 9008 if (!match) { 9009 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 9010 + pkg.packageName + " signatures do not match the " 9011 + "previously installed version; ignoring!"); 9012 } 9013 } 9014 9015 // Check for shared user signatures 9016 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 9017 // Already existing package. Make sure signatures match 9018 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 9019 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 9020 if (!match) { 9021 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 9022 == PackageManager.SIGNATURE_MATCH; 9023 } 9024 if (!match) { 9025 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 9026 == PackageManager.SIGNATURE_MATCH; 9027 } 9028 if (!match) { 9029 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 9030 "Package " + pkg.packageName 9031 + " has no signatures that match those in shared user " 9032 + pkgSetting.sharedUser.name + "; ignoring!"); 9033 } 9034 } 9035 } 9036 9037 /** 9038 * Enforces that only the system UID or root's UID can call a method exposed 9039 * via Binder. 9040 * 9041 * @param message used as message if SecurityException is thrown 9042 * @throws SecurityException if the caller is not system or root 9043 */ 9044 private static final void enforceSystemOrRoot(String message) { 9045 final int uid = Binder.getCallingUid(); 9046 if (uid != Process.SYSTEM_UID && uid != Process.ROOT_UID) { 9047 throw new SecurityException(message); 9048 } 9049 } 9050 9051 @Override 9052 public void performFstrimIfNeeded() { 9053 enforceSystemOrRoot("Only the system can request fstrim"); 9054 9055 // Before everything else, see whether we need to fstrim. 9056 try { 9057 IStorageManager sm = PackageHelper.getStorageManager(); 9058 if (sm != null) { 9059 boolean doTrim = false; 9060 final long interval = android.provider.Settings.Global.getLong( 9061 mContext.getContentResolver(), 9062 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 9063 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 9064 if (interval > 0) { 9065 final long timeSinceLast = System.currentTimeMillis() - sm.lastMaintenance(); 9066 if (timeSinceLast > interval) { 9067 doTrim = true; 9068 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 9069 + "; running immediately"); 9070 } 9071 } 9072 if (doTrim) { 9073 final boolean dexOptDialogShown; 9074 synchronized (mPackages) { 9075 dexOptDialogShown = mDexOptDialogShown; 9076 } 9077 if (!isFirstBoot() && dexOptDialogShown) { 9078 try { 9079 ActivityManager.getService().showBootMessage( 9080 mContext.getResources().getString( 9081 R.string.android_upgrading_fstrim), true); 9082 } catch (RemoteException e) { 9083 } 9084 } 9085 sm.runMaintenance(); 9086 } 9087 } else { 9088 Slog.e(TAG, "storageManager service unavailable!"); 9089 } 9090 } catch (RemoteException e) { 9091 // Can't happen; StorageManagerService is local 9092 } 9093 } 9094 9095 @Override 9096 public void updatePackagesIfNeeded() { 9097 enforceSystemOrRoot("Only the system can request package update"); 9098 9099 // We need to re-extract after an OTA. 9100 boolean causeUpgrade = isUpgrade(); 9101 9102 // First boot or factory reset. 9103 // Note: we also handle devices that are upgrading to N right now as if it is their 9104 // first boot, as they do not have profile data. 9105 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 9106 9107 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 9108 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 9109 9110 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 9111 return; 9112 } 9113 9114 List<PackageParser.Package> pkgs; 9115 synchronized (mPackages) { 9116 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 9117 } 9118 9119 final long startTime = System.nanoTime(); 9120 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 9121 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 9122 9123 final int elapsedTimeSeconds = 9124 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 9125 9126 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 9127 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 9128 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 9129 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 9130 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 9131 } 9132 9133 /** 9134 * Performs dexopt on the set of packages in {@code packages} and returns an int array 9135 * containing statistics about the invocation. The array consists of three elements, 9136 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 9137 * and {@code numberOfPackagesFailed}. 9138 */ 9139 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 9140 String compilerFilter) { 9141 9142 int numberOfPackagesVisited = 0; 9143 int numberOfPackagesOptimized = 0; 9144 int numberOfPackagesSkipped = 0; 9145 int numberOfPackagesFailed = 0; 9146 final int numberOfPackagesToDexopt = pkgs.size(); 9147 9148 for (PackageParser.Package pkg : pkgs) { 9149 numberOfPackagesVisited++; 9150 9151 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 9152 if (DEBUG_DEXOPT) { 9153 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 9154 } 9155 numberOfPackagesSkipped++; 9156 continue; 9157 } 9158 9159 if (DEBUG_DEXOPT) { 9160 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 9161 numberOfPackagesToDexopt + ": " + pkg.packageName); 9162 } 9163 9164 if (showDialog) { 9165 try { 9166 ActivityManager.getService().showBootMessage( 9167 mContext.getResources().getString(R.string.android_upgrading_apk, 9168 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 9169 } catch (RemoteException e) { 9170 } 9171 synchronized (mPackages) { 9172 mDexOptDialogShown = true; 9173 } 9174 } 9175 9176 // If the OTA updates a system app which was previously preopted to a non-preopted state 9177 // the app might end up being verified at runtime. That's because by default the apps 9178 // are verify-profile but for preopted apps there's no profile. 9179 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 9180 // that before the OTA the app was preopted) the app gets compiled with a non-profile 9181 // filter (by default 'quicken'). 9182 // Note that at this stage unused apps are already filtered. 9183 if (isSystemApp(pkg) && 9184 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 9185 !Environment.getReferenceProfile(pkg.packageName).exists()) { 9186 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 9187 } 9188 9189 // checkProfiles is false to avoid merging profiles during boot which 9190 // might interfere with background compilation (b/28612421). 9191 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 9192 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 9193 // trade-off worth doing to save boot time work. 9194 int dexOptStatus = performDexOptTraced(pkg.packageName, 9195 false /* checkProfiles */, 9196 compilerFilter, 9197 false /* force */); 9198 switch (dexOptStatus) { 9199 case PackageDexOptimizer.DEX_OPT_PERFORMED: 9200 numberOfPackagesOptimized++; 9201 break; 9202 case PackageDexOptimizer.DEX_OPT_SKIPPED: 9203 numberOfPackagesSkipped++; 9204 break; 9205 case PackageDexOptimizer.DEX_OPT_FAILED: 9206 numberOfPackagesFailed++; 9207 break; 9208 default: 9209 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 9210 break; 9211 } 9212 } 9213 9214 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 9215 numberOfPackagesFailed }; 9216 } 9217 9218 @Override 9219 public void notifyPackageUse(String packageName, int reason) { 9220 synchronized (mPackages) { 9221 final int callingUid = Binder.getCallingUid(); 9222 final int callingUserId = UserHandle.getUserId(callingUid); 9223 if (getInstantAppPackageName(callingUid) != null) { 9224 if (!isCallerSameApp(packageName, callingUid)) { 9225 return; 9226 } 9227 } else { 9228 if (isInstantApp(packageName, callingUserId)) { 9229 return; 9230 } 9231 } 9232 final PackageParser.Package p = mPackages.get(packageName); 9233 if (p == null) { 9234 return; 9235 } 9236 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 9237 } 9238 } 9239 9240 @Override 9241 public void notifyDexLoad(String loadingPackageName, List<String> dexPaths, String loaderIsa) { 9242 int userId = UserHandle.getCallingUserId(); 9243 ApplicationInfo ai = getApplicationInfo(loadingPackageName, /*flags*/ 0, userId); 9244 if (ai == null) { 9245 Slog.w(TAG, "Loading a package that does not exist for the calling user. package=" 9246 + loadingPackageName + ", user=" + userId); 9247 return; 9248 } 9249 mDexManager.notifyDexLoad(ai, dexPaths, loaderIsa, userId); 9250 } 9251 9252 @Override 9253 public boolean performDexOpt(String packageName, 9254 boolean checkProfiles, int compileReason, boolean force) { 9255 return performDexOptWithStatus(packageName, checkProfiles, compileReason, force) != 9256 PackageDexOptimizer.DEX_OPT_FAILED; 9257 } 9258 9259 /** 9260 * Perform dexopt on the given package and return one of following result: 9261 * {@link PackageDexOptimizer#DEX_OPT_SKIPPED} 9262 * {@link PackageDexOptimizer#DEX_OPT_PERFORMED} 9263 * {@link PackageDexOptimizer#DEX_OPT_FAILED} 9264 */ 9265 /* package */ int performDexOptWithStatus(String packageName, 9266 boolean checkProfiles, int compileReason, boolean force) { 9267 return performDexOptTraced(packageName, checkProfiles, 9268 getCompilerFilterForReason(compileReason), force); 9269 } 9270 9271 @Override 9272 public boolean performDexOptMode(String packageName, 9273 boolean checkProfiles, String targetCompilerFilter, boolean force) { 9274 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 9275 return false; 9276 } 9277 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 9278 targetCompilerFilter, force); 9279 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 9280 } 9281 9282 private int performDexOptTraced(String packageName, 9283 boolean checkProfiles, String targetCompilerFilter, boolean force) { 9284 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 9285 try { 9286 return performDexOptInternal(packageName, checkProfiles, 9287 targetCompilerFilter, force); 9288 } finally { 9289 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9290 } 9291 } 9292 9293 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 9294 // if the package can now be considered up to date for the given filter. 9295 private int performDexOptInternal(String packageName, 9296 boolean checkProfiles, String targetCompilerFilter, boolean force) { 9297 PackageParser.Package p; 9298 synchronized (mPackages) { 9299 p = mPackages.get(packageName); 9300 if (p == null) { 9301 // Package could not be found. Report failure. 9302 return PackageDexOptimizer.DEX_OPT_FAILED; 9303 } 9304 mPackageUsage.maybeWriteAsync(mPackages); 9305 mCompilerStats.maybeWriteAsync(); 9306 } 9307 long callingId = Binder.clearCallingIdentity(); 9308 try { 9309 synchronized (mInstallLock) { 9310 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 9311 targetCompilerFilter, force); 9312 } 9313 } finally { 9314 Binder.restoreCallingIdentity(callingId); 9315 } 9316 } 9317 9318 public ArraySet<String> getOptimizablePackages() { 9319 ArraySet<String> pkgs = new ArraySet<String>(); 9320 synchronized (mPackages) { 9321 for (PackageParser.Package p : mPackages.values()) { 9322 if (PackageDexOptimizer.canOptimizePackage(p)) { 9323 pkgs.add(p.packageName); 9324 } 9325 } 9326 } 9327 return pkgs; 9328 } 9329 9330 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 9331 boolean checkProfiles, String targetCompilerFilter, 9332 boolean force) { 9333 // Select the dex optimizer based on the force parameter. 9334 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 9335 // allocate an object here. 9336 PackageDexOptimizer pdo = force 9337 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 9338 : mPackageDexOptimizer; 9339 9340 // Dexopt all dependencies first. Note: we ignore the return value and march on 9341 // on errors. 9342 // Note that we are going to call performDexOpt on those libraries as many times as 9343 // they are referenced in packages. When we do a batch of performDexOpt (for example 9344 // at boot, or background job), the passed 'targetCompilerFilter' stays the same, 9345 // and the first package that uses the library will dexopt it. The 9346 // others will see that the compiled code for the library is up to date. 9347 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 9348 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 9349 if (!deps.isEmpty()) { 9350 for (PackageParser.Package depPackage : deps) { 9351 // TODO: Analyze and investigate if we (should) profile libraries. 9352 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 9353 false /* checkProfiles */, 9354 targetCompilerFilter, 9355 getOrCreateCompilerPackageStats(depPackage), 9356 true /* isUsedByOtherApps */); 9357 } 9358 } 9359 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 9360 targetCompilerFilter, getOrCreateCompilerPackageStats(p), 9361 mDexManager.isUsedByOtherApps(p.packageName)); 9362 } 9363 9364 // Performs dexopt on the used secondary dex files belonging to the given package. 9365 // Returns true if all dex files were process successfully (which could mean either dexopt or 9366 // skip). Returns false if any of the files caused errors. 9367 @Override 9368 public boolean performDexOptSecondary(String packageName, String compilerFilter, 9369 boolean force) { 9370 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 9371 return false; 9372 } 9373 mDexManager.reconcileSecondaryDexFiles(packageName); 9374 return mDexManager.dexoptSecondaryDex(packageName, compilerFilter, force); 9375 } 9376 9377 public boolean performDexOptSecondary(String packageName, int compileReason, 9378 boolean force) { 9379 return mDexManager.dexoptSecondaryDex(packageName, compileReason, force); 9380 } 9381 9382 /** 9383 * Reconcile the information we have about the secondary dex files belonging to 9384 * {@code packagName} and the actual dex files. For all dex files that were 9385 * deleted, update the internal records and delete the generated oat files. 9386 */ 9387 @Override 9388 public void reconcileSecondaryDexFiles(String packageName) { 9389 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 9390 return; 9391 } 9392 mDexManager.reconcileSecondaryDexFiles(packageName); 9393 } 9394 9395 // TODO(calin): this is only needed for BackgroundDexOptService. Find a cleaner way to inject 9396 // a reference there. 9397 /*package*/ DexManager getDexManager() { 9398 return mDexManager; 9399 } 9400 9401 /** 9402 * Execute the background dexopt job immediately. 9403 */ 9404 @Override 9405 public boolean runBackgroundDexoptJob() { 9406 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 9407 return false; 9408 } 9409 return BackgroundDexOptService.runIdleOptimizationsNow(this, mContext); 9410 } 9411 9412 List<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 9413 if (p.usesLibraries != null || p.usesOptionalLibraries != null 9414 || p.usesStaticLibraries != null) { 9415 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 9416 Set<String> collectedNames = new HashSet<>(); 9417 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 9418 9419 retValue.remove(p); 9420 9421 return retValue; 9422 } else { 9423 return Collections.emptyList(); 9424 } 9425 } 9426 9427 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 9428 ArrayList<PackageParser.Package> collected, Set<String> collectedNames) { 9429 if (!collectedNames.contains(p.packageName)) { 9430 collectedNames.add(p.packageName); 9431 collected.add(p); 9432 9433 if (p.usesLibraries != null) { 9434 findSharedNonSystemLibrariesRecursive(p.usesLibraries, 9435 null, collected, collectedNames); 9436 } 9437 if (p.usesOptionalLibraries != null) { 9438 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, 9439 null, collected, collectedNames); 9440 } 9441 if (p.usesStaticLibraries != null) { 9442 findSharedNonSystemLibrariesRecursive(p.usesStaticLibraries, 9443 p.usesStaticLibrariesVersions, collected, collectedNames); 9444 } 9445 } 9446 } 9447 9448 private void findSharedNonSystemLibrariesRecursive(ArrayList<String> libs, int[] versions, 9449 ArrayList<PackageParser.Package> collected, Set<String> collectedNames) { 9450 final int libNameCount = libs.size(); 9451 for (int i = 0; i < libNameCount; i++) { 9452 String libName = libs.get(i); 9453 int version = (versions != null && versions.length == libNameCount) 9454 ? versions[i] : PackageManager.VERSION_CODE_HIGHEST; 9455 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName, version); 9456 if (libPkg != null) { 9457 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 9458 } 9459 } 9460 } 9461 9462 private PackageParser.Package findSharedNonSystemLibrary(String name, int version) { 9463 synchronized (mPackages) { 9464 SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(name, version); 9465 if (libEntry != null) { 9466 return mPackages.get(libEntry.apk); 9467 } 9468 return null; 9469 } 9470 } 9471 9472 private SharedLibraryEntry getSharedLibraryEntryLPr(String name, int version) { 9473 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 9474 if (versionedLib == null) { 9475 return null; 9476 } 9477 return versionedLib.get(version); 9478 } 9479 9480 private SharedLibraryEntry getLatestSharedLibraVersionLPr(PackageParser.Package pkg) { 9481 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get( 9482 pkg.staticSharedLibName); 9483 if (versionedLib == null) { 9484 return null; 9485 } 9486 int previousLibVersion = -1; 9487 final int versionCount = versionedLib.size(); 9488 for (int i = 0; i < versionCount; i++) { 9489 final int libVersion = versionedLib.keyAt(i); 9490 if (libVersion < pkg.staticSharedLibVersion) { 9491 previousLibVersion = Math.max(previousLibVersion, libVersion); 9492 } 9493 } 9494 if (previousLibVersion >= 0) { 9495 return versionedLib.get(previousLibVersion); 9496 } 9497 return null; 9498 } 9499 9500 public void shutdown() { 9501 mPackageUsage.writeNow(mPackages); 9502 mCompilerStats.writeNow(); 9503 } 9504 9505 @Override 9506 public void dumpProfiles(String packageName) { 9507 PackageParser.Package pkg; 9508 synchronized (mPackages) { 9509 pkg = mPackages.get(packageName); 9510 if (pkg == null) { 9511 throw new IllegalArgumentException("Unknown package: " + packageName); 9512 } 9513 } 9514 /* Only the shell, root, or the app user should be able to dump profiles. */ 9515 int callingUid = Binder.getCallingUid(); 9516 if (callingUid != Process.SHELL_UID && 9517 callingUid != Process.ROOT_UID && 9518 callingUid != pkg.applicationInfo.uid) { 9519 throw new SecurityException("dumpProfiles"); 9520 } 9521 9522 synchronized (mInstallLock) { 9523 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 9524 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 9525 try { 9526 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 9527 String codePaths = TextUtils.join(";", allCodePaths); 9528 mInstaller.dumpProfiles(sharedGid, packageName, codePaths); 9529 } catch (InstallerException e) { 9530 Slog.w(TAG, "Failed to dump profiles", e); 9531 } 9532 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9533 } 9534 } 9535 9536 @Override 9537 public void forceDexOpt(String packageName) { 9538 enforceSystemOrRoot("forceDexOpt"); 9539 9540 PackageParser.Package pkg; 9541 synchronized (mPackages) { 9542 pkg = mPackages.get(packageName); 9543 if (pkg == null) { 9544 throw new IllegalArgumentException("Unknown package: " + packageName); 9545 } 9546 } 9547 9548 synchronized (mInstallLock) { 9549 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 9550 9551 // Whoever is calling forceDexOpt wants a compiled package. 9552 // Don't use profiles since that may cause compilation to be skipped. 9553 final int res = performDexOptInternalWithDependenciesLI(pkg, 9554 false /* checkProfiles */, getDefaultCompilerFilter(), 9555 true /* force */); 9556 9557 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9558 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 9559 throw new IllegalStateException("Failed to dexopt: " + res); 9560 } 9561 } 9562 } 9563 9564 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 9565 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 9566 Slog.w(TAG, "Unable to update from " + oldPkg.name 9567 + " to " + newPkg.packageName 9568 + ": old package not in system partition"); 9569 return false; 9570 } else if (mPackages.get(oldPkg.name) != null) { 9571 Slog.w(TAG, "Unable to update from " + oldPkg.name 9572 + " to " + newPkg.packageName 9573 + ": old package still exists"); 9574 return false; 9575 } 9576 return true; 9577 } 9578 9579 void removeCodePathLI(File codePath) { 9580 if (codePath.isDirectory()) { 9581 try { 9582 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 9583 } catch (InstallerException e) { 9584 Slog.w(TAG, "Failed to remove code path", e); 9585 } 9586 } else { 9587 codePath.delete(); 9588 } 9589 } 9590 9591 private int[] resolveUserIds(int userId) { 9592 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 9593 } 9594 9595 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 9596 if (pkg == null) { 9597 Slog.wtf(TAG, "Package was null!", new Throwable()); 9598 return; 9599 } 9600 clearAppDataLeafLIF(pkg, userId, flags); 9601 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9602 for (int i = 0; i < childCount; i++) { 9603 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 9604 } 9605 } 9606 9607 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 9608 final PackageSetting ps; 9609 synchronized (mPackages) { 9610 ps = mSettings.mPackages.get(pkg.packageName); 9611 } 9612 for (int realUserId : resolveUserIds(userId)) { 9613 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 9614 try { 9615 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 9616 ceDataInode); 9617 } catch (InstallerException e) { 9618 Slog.w(TAG, String.valueOf(e)); 9619 } 9620 } 9621 } 9622 9623 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 9624 if (pkg == null) { 9625 Slog.wtf(TAG, "Package was null!", new Throwable()); 9626 return; 9627 } 9628 destroyAppDataLeafLIF(pkg, userId, flags); 9629 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9630 for (int i = 0; i < childCount; i++) { 9631 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 9632 } 9633 } 9634 9635 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 9636 final PackageSetting ps; 9637 synchronized (mPackages) { 9638 ps = mSettings.mPackages.get(pkg.packageName); 9639 } 9640 for (int realUserId : resolveUserIds(userId)) { 9641 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 9642 try { 9643 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 9644 ceDataInode); 9645 } catch (InstallerException e) { 9646 Slog.w(TAG, String.valueOf(e)); 9647 } 9648 mDexManager.notifyPackageDataDestroyed(pkg.packageName, userId); 9649 } 9650 } 9651 9652 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 9653 if (pkg == null) { 9654 Slog.wtf(TAG, "Package was null!", new Throwable()); 9655 return; 9656 } 9657 destroyAppProfilesLeafLIF(pkg); 9658 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9659 for (int i = 0; i < childCount; i++) { 9660 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 9661 } 9662 } 9663 9664 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 9665 try { 9666 mInstaller.destroyAppProfiles(pkg.packageName); 9667 } catch (InstallerException e) { 9668 Slog.w(TAG, String.valueOf(e)); 9669 } 9670 } 9671 9672 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 9673 if (pkg == null) { 9674 Slog.wtf(TAG, "Package was null!", new Throwable()); 9675 return; 9676 } 9677 clearAppProfilesLeafLIF(pkg); 9678 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9679 for (int i = 0; i < childCount; i++) { 9680 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 9681 } 9682 } 9683 9684 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 9685 try { 9686 mInstaller.clearAppProfiles(pkg.packageName); 9687 } catch (InstallerException e) { 9688 Slog.w(TAG, String.valueOf(e)); 9689 } 9690 } 9691 9692 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 9693 long lastUpdateTime) { 9694 // Set parent install/update time 9695 PackageSetting ps = (PackageSetting) pkg.mExtras; 9696 if (ps != null) { 9697 ps.firstInstallTime = firstInstallTime; 9698 ps.lastUpdateTime = lastUpdateTime; 9699 } 9700 // Set children install/update time 9701 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9702 for (int i = 0; i < childCount; i++) { 9703 PackageParser.Package childPkg = pkg.childPackages.get(i); 9704 ps = (PackageSetting) childPkg.mExtras; 9705 if (ps != null) { 9706 ps.firstInstallTime = firstInstallTime; 9707 ps.lastUpdateTime = lastUpdateTime; 9708 } 9709 } 9710 } 9711 9712 private void addSharedLibraryLPr(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 9713 PackageParser.Package changingLib) { 9714 if (file.path != null) { 9715 usesLibraryFiles.add(file.path); 9716 return; 9717 } 9718 PackageParser.Package p = mPackages.get(file.apk); 9719 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 9720 // If we are doing this while in the middle of updating a library apk, 9721 // then we need to make sure to use that new apk for determining the 9722 // dependencies here. (We haven't yet finished committing the new apk 9723 // to the package manager state.) 9724 if (p == null || p.packageName.equals(changingLib.packageName)) { 9725 p = changingLib; 9726 } 9727 } 9728 if (p != null) { 9729 usesLibraryFiles.addAll(p.getAllCodePaths()); 9730 if (p.usesLibraryFiles != null) { 9731 Collections.addAll(usesLibraryFiles, p.usesLibraryFiles); 9732 } 9733 } 9734 } 9735 9736 private void updateSharedLibrariesLPr(PackageParser.Package pkg, 9737 PackageParser.Package changingLib) throws PackageManagerException { 9738 if (pkg == null) { 9739 return; 9740 } 9741 ArraySet<String> usesLibraryFiles = null; 9742 if (pkg.usesLibraries != null) { 9743 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesLibraries, 9744 null, null, pkg.packageName, changingLib, true, null); 9745 } 9746 if (pkg.usesStaticLibraries != null) { 9747 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesStaticLibraries, 9748 pkg.usesStaticLibrariesVersions, pkg.usesStaticLibrariesCertDigests, 9749 pkg.packageName, changingLib, true, usesLibraryFiles); 9750 } 9751 if (pkg.usesOptionalLibraries != null) { 9752 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesOptionalLibraries, 9753 null, null, pkg.packageName, changingLib, false, usesLibraryFiles); 9754 } 9755 if (!ArrayUtils.isEmpty(usesLibraryFiles)) { 9756 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[usesLibraryFiles.size()]); 9757 } else { 9758 pkg.usesLibraryFiles = null; 9759 } 9760 } 9761 9762 private ArraySet<String> addSharedLibrariesLPw(@NonNull List<String> requestedLibraries, 9763 @Nullable int[] requiredVersions, @Nullable String[] requiredCertDigests, 9764 @NonNull String packageName, @Nullable PackageParser.Package changingLib, 9765 boolean required, @Nullable ArraySet<String> outUsedLibraries) 9766 throws PackageManagerException { 9767 final int libCount = requestedLibraries.size(); 9768 for (int i = 0; i < libCount; i++) { 9769 final String libName = requestedLibraries.get(i); 9770 final int libVersion = requiredVersions != null ? requiredVersions[i] 9771 : SharedLibraryInfo.VERSION_UNDEFINED; 9772 final SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(libName, libVersion); 9773 if (libEntry == null) { 9774 if (required) { 9775 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 9776 "Package " + packageName + " requires unavailable shared library " 9777 + libName + "; failing!"); 9778 } else if (DEBUG_SHARED_LIBRARIES) { 9779 Slog.i(TAG, "Package " + packageName 9780 + " desires unavailable shared library " 9781 + libName + "; ignoring!"); 9782 } 9783 } else { 9784 if (requiredVersions != null && requiredCertDigests != null) { 9785 if (libEntry.info.getVersion() != requiredVersions[i]) { 9786 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 9787 "Package " + packageName + " requires unavailable static shared" 9788 + " library " + libName + " version " 9789 + libEntry.info.getVersion() + "; failing!"); 9790 } 9791 9792 PackageParser.Package libPkg = mPackages.get(libEntry.apk); 9793 if (libPkg == null) { 9794 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 9795 "Package " + packageName + " requires unavailable static shared" 9796 + " library; failing!"); 9797 } 9798 9799 String expectedCertDigest = requiredCertDigests[i]; 9800 String libCertDigest = PackageUtils.computeCertSha256Digest( 9801 libPkg.mSignatures[0]); 9802 if (!libCertDigest.equalsIgnoreCase(expectedCertDigest)) { 9803 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 9804 "Package " + packageName + " requires differently signed" + 9805 " static shared library; failing!"); 9806 } 9807 } 9808 9809 if (outUsedLibraries == null) { 9810 outUsedLibraries = new ArraySet<>(); 9811 } 9812 addSharedLibraryLPr(outUsedLibraries, libEntry, changingLib); 9813 } 9814 } 9815 return outUsedLibraries; 9816 } 9817 9818 private static boolean hasString(List<String> list, List<String> which) { 9819 if (list == null) { 9820 return false; 9821 } 9822 for (int i=list.size()-1; i>=0; i--) { 9823 for (int j=which.size()-1; j>=0; j--) { 9824 if (which.get(j).equals(list.get(i))) { 9825 return true; 9826 } 9827 } 9828 } 9829 return false; 9830 } 9831 9832 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 9833 PackageParser.Package changingPkg) { 9834 ArrayList<PackageParser.Package> res = null; 9835 for (PackageParser.Package pkg : mPackages.values()) { 9836 if (changingPkg != null 9837 && !hasString(pkg.usesLibraries, changingPkg.libraryNames) 9838 && !hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames) 9839 && !ArrayUtils.contains(pkg.usesStaticLibraries, 9840 changingPkg.staticSharedLibName)) { 9841 return null; 9842 } 9843 if (res == null) { 9844 res = new ArrayList<>(); 9845 } 9846 res.add(pkg); 9847 try { 9848 updateSharedLibrariesLPr(pkg, changingPkg); 9849 } catch (PackageManagerException e) { 9850 // If a system app update or an app and a required lib missing we 9851 // delete the package and for updated system apps keep the data as 9852 // it is better for the user to reinstall than to be in an limbo 9853 // state. Also libs disappearing under an app should never happen 9854 // - just in case. 9855 if (!pkg.isSystemApp() || pkg.isUpdatedSystemApp()) { 9856 final int flags = pkg.isUpdatedSystemApp() 9857 ? PackageManager.DELETE_KEEP_DATA : 0; 9858 deletePackageLIF(pkg.packageName, null, true, sUserManager.getUserIds(), 9859 flags , null, true, null); 9860 } 9861 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 9862 } 9863 } 9864 return res; 9865 } 9866 9867 /** 9868 * Derive the value of the {@code cpuAbiOverride} based on the provided 9869 * value and an optional stored value from the package settings. 9870 */ 9871 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 9872 String cpuAbiOverride = null; 9873 9874 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 9875 cpuAbiOverride = null; 9876 } else if (abiOverride != null) { 9877 cpuAbiOverride = abiOverride; 9878 } else if (settings != null) { 9879 cpuAbiOverride = settings.cpuAbiOverrideString; 9880 } 9881 9882 return cpuAbiOverride; 9883 } 9884 9885 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 9886 final int policyFlags, int scanFlags, long currentTime, @Nullable UserHandle user) 9887 throws PackageManagerException { 9888 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 9889 // If the package has children and this is the first dive in the function 9890 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 9891 // whether all packages (parent and children) would be successfully scanned 9892 // before the actual scan since scanning mutates internal state and we want 9893 // to atomically install the package and its children. 9894 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 9895 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 9896 scanFlags |= SCAN_CHECK_ONLY; 9897 } 9898 } else { 9899 scanFlags &= ~SCAN_CHECK_ONLY; 9900 } 9901 9902 final PackageParser.Package scannedPkg; 9903 try { 9904 // Scan the parent 9905 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 9906 // Scan the children 9907 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9908 for (int i = 0; i < childCount; i++) { 9909 PackageParser.Package childPkg = pkg.childPackages.get(i); 9910 scanPackageLI(childPkg, policyFlags, 9911 scanFlags, currentTime, user); 9912 } 9913 } finally { 9914 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9915 } 9916 9917 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 9918 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 9919 } 9920 9921 return scannedPkg; 9922 } 9923 9924 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 9925 int scanFlags, long currentTime, @Nullable UserHandle user) 9926 throws PackageManagerException { 9927 boolean success = false; 9928 try { 9929 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 9930 currentTime, user); 9931 success = true; 9932 return res; 9933 } finally { 9934 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 9935 // DELETE_DATA_ON_FAILURES is only used by frozen paths 9936 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 9937 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 9938 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 9939 } 9940 } 9941 } 9942 9943 /** 9944 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 9945 */ 9946 private static boolean apkHasCode(String fileName) { 9947 StrictJarFile jarFile = null; 9948 try { 9949 jarFile = new StrictJarFile(fileName, 9950 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 9951 return jarFile.findEntry("classes.dex") != null; 9952 } catch (IOException ignore) { 9953 } finally { 9954 try { 9955 if (jarFile != null) { 9956 jarFile.close(); 9957 } 9958 } catch (IOException ignore) {} 9959 } 9960 return false; 9961 } 9962 9963 /** 9964 * Enforces code policy for the package. This ensures that if an APK has 9965 * declared hasCode="true" in its manifest that the APK actually contains 9966 * code. 9967 * 9968 * @throws PackageManagerException If bytecode could not be found when it should exist 9969 */ 9970 private static void assertCodePolicy(PackageParser.Package pkg) 9971 throws PackageManagerException { 9972 final boolean shouldHaveCode = 9973 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 9974 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 9975 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 9976 "Package " + pkg.baseCodePath + " code is missing"); 9977 } 9978 9979 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 9980 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 9981 final boolean splitShouldHaveCode = 9982 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 9983 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 9984 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 9985 "Package " + pkg.splitCodePaths[i] + " code is missing"); 9986 } 9987 } 9988 } 9989 } 9990 9991 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 9992 final int policyFlags, final int scanFlags, long currentTime, @Nullable UserHandle user) 9993 throws PackageManagerException { 9994 if (DEBUG_PACKAGE_SCANNING) { 9995 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 9996 Log.d(TAG, "Scanning package " + pkg.packageName); 9997 } 9998 9999 applyPolicy(pkg, policyFlags); 10000 10001 assertPackageIsValid(pkg, policyFlags, scanFlags); 10002 10003 // Initialize package source and resource directories 10004 final File scanFile = new File(pkg.codePath); 10005 final File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 10006 final File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 10007 10008 SharedUserSetting suid = null; 10009 PackageSetting pkgSetting = null; 10010 10011 // Getting the package setting may have a side-effect, so if we 10012 // are only checking if scan would succeed, stash a copy of the 10013 // old setting to restore at the end. 10014 PackageSetting nonMutatedPs = null; 10015 10016 // We keep references to the derived CPU Abis from settings in oder to reuse 10017 // them in the case where we're not upgrading or booting for the first time. 10018 String primaryCpuAbiFromSettings = null; 10019 String secondaryCpuAbiFromSettings = null; 10020 10021 // writer 10022 synchronized (mPackages) { 10023 if (pkg.mSharedUserId != null) { 10024 // SIDE EFFECTS; may potentially allocate a new shared user 10025 suid = mSettings.getSharedUserLPw( 10026 pkg.mSharedUserId, 0 /*pkgFlags*/, 0 /*pkgPrivateFlags*/, true /*create*/); 10027 if (DEBUG_PACKAGE_SCANNING) { 10028 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 10029 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 10030 + "): packages=" + suid.packages); 10031 } 10032 } 10033 10034 // Check if we are renaming from an original package name. 10035 PackageSetting origPackage = null; 10036 String realName = null; 10037 if (pkg.mOriginalPackages != null) { 10038 // This package may need to be renamed to a previously 10039 // installed name. Let's check on that... 10040 final String renamed = mSettings.getRenamedPackageLPr(pkg.mRealPackage); 10041 if (pkg.mOriginalPackages.contains(renamed)) { 10042 // This package had originally been installed as the 10043 // original name, and we have already taken care of 10044 // transitioning to the new one. Just update the new 10045 // one to continue using the old name. 10046 realName = pkg.mRealPackage; 10047 if (!pkg.packageName.equals(renamed)) { 10048 // Callers into this function may have already taken 10049 // care of renaming the package; only do it here if 10050 // it is not already done. 10051 pkg.setPackageName(renamed); 10052 } 10053 } else { 10054 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 10055 if ((origPackage = mSettings.getPackageLPr( 10056 pkg.mOriginalPackages.get(i))) != null) { 10057 // We do have the package already installed under its 10058 // original name... should we use it? 10059 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 10060 // New package is not compatible with original. 10061 origPackage = null; 10062 continue; 10063 } else if (origPackage.sharedUser != null) { 10064 // Make sure uid is compatible between packages. 10065 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 10066 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 10067 + " to " + pkg.packageName + ": old uid " 10068 + origPackage.sharedUser.name 10069 + " differs from " + pkg.mSharedUserId); 10070 origPackage = null; 10071 continue; 10072 } 10073 // TODO: Add case when shared user id is added [b/28144775] 10074 } else { 10075 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 10076 + pkg.packageName + " to old name " + origPackage.name); 10077 } 10078 break; 10079 } 10080 } 10081 } 10082 } 10083 10084 if (mTransferedPackages.contains(pkg.packageName)) { 10085 Slog.w(TAG, "Package " + pkg.packageName 10086 + " was transferred to another, but its .apk remains"); 10087 } 10088 10089 // See comments in nonMutatedPs declaration 10090 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 10091 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 10092 if (foundPs != null) { 10093 nonMutatedPs = new PackageSetting(foundPs); 10094 } 10095 } 10096 10097 if ((scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) == 0) { 10098 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 10099 if (foundPs != null) { 10100 primaryCpuAbiFromSettings = foundPs.primaryCpuAbiString; 10101 secondaryCpuAbiFromSettings = foundPs.secondaryCpuAbiString; 10102 } 10103 } 10104 10105 pkgSetting = mSettings.getPackageLPr(pkg.packageName); 10106 if (pkgSetting != null && pkgSetting.sharedUser != suid) { 10107 PackageManagerService.reportSettingsProblem(Log.WARN, 10108 "Package " + pkg.packageName + " shared user changed from " 10109 + (pkgSetting.sharedUser != null 10110 ? pkgSetting.sharedUser.name : "<nothing>") 10111 + " to " 10112 + (suid != null ? suid.name : "<nothing>") 10113 + "; replacing with new"); 10114 pkgSetting = null; 10115 } 10116 final PackageSetting oldPkgSetting = 10117 pkgSetting == null ? null : new PackageSetting(pkgSetting); 10118 final PackageSetting disabledPkgSetting = 10119 mSettings.getDisabledSystemPkgLPr(pkg.packageName); 10120 10121 String[] usesStaticLibraries = null; 10122 if (pkg.usesStaticLibraries != null) { 10123 usesStaticLibraries = new String[pkg.usesStaticLibraries.size()]; 10124 pkg.usesStaticLibraries.toArray(usesStaticLibraries); 10125 } 10126 10127 if (pkgSetting == null) { 10128 final String parentPackageName = (pkg.parentPackage != null) 10129 ? pkg.parentPackage.packageName : null; 10130 final boolean instantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 10131 // REMOVE SharedUserSetting from method; update in a separate call 10132 pkgSetting = Settings.createNewSetting(pkg.packageName, origPackage, 10133 disabledPkgSetting, realName, suid, destCodeFile, destResourceFile, 10134 pkg.applicationInfo.nativeLibraryRootDir, pkg.applicationInfo.primaryCpuAbi, 10135 pkg.applicationInfo.secondaryCpuAbi, pkg.mVersionCode, 10136 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, user, 10137 true /*allowInstall*/, instantApp, parentPackageName, 10138 pkg.getChildPackageNames(), UserManagerService.getInstance(), 10139 usesStaticLibraries, pkg.usesStaticLibrariesVersions); 10140 // SIDE EFFECTS; updates system state; move elsewhere 10141 if (origPackage != null) { 10142 mSettings.addRenamedPackageLPw(pkg.packageName, origPackage.name); 10143 } 10144 mSettings.addUserToSettingLPw(pkgSetting); 10145 } else { 10146 // REMOVE SharedUserSetting from method; update in a separate call. 10147 // 10148 // TODO(narayan): This update is bogus. nativeLibraryDir & primaryCpuAbi, 10149 // secondaryCpuAbi are not known at this point so we always update them 10150 // to null here, only to reset them at a later point. 10151 Settings.updatePackageSetting(pkgSetting, disabledPkgSetting, suid, destCodeFile, 10152 pkg.applicationInfo.nativeLibraryDir, pkg.applicationInfo.primaryCpuAbi, 10153 pkg.applicationInfo.secondaryCpuAbi, pkg.applicationInfo.flags, 10154 pkg.applicationInfo.privateFlags, pkg.getChildPackageNames(), 10155 UserManagerService.getInstance(), usesStaticLibraries, 10156 pkg.usesStaticLibrariesVersions); 10157 } 10158 // SIDE EFFECTS; persists system state to files on disk; move elsewhere 10159 mSettings.writeUserRestrictionsLPw(pkgSetting, oldPkgSetting); 10160 10161 // SIDE EFFECTS; modifies system state; move elsewhere 10162 if (pkgSetting.origPackage != null) { 10163 // If we are first transitioning from an original package, 10164 // fix up the new package's name now. We need to do this after 10165 // looking up the package under its new name, so getPackageLP 10166 // can take care of fiddling things correctly. 10167 pkg.setPackageName(origPackage.name); 10168 10169 // File a report about this. 10170 String msg = "New package " + pkgSetting.realName 10171 + " renamed to replace old package " + pkgSetting.name; 10172 reportSettingsProblem(Log.WARN, msg); 10173 10174 // Make a note of it. 10175 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 10176 mTransferedPackages.add(origPackage.name); 10177 } 10178 10179 // No longer need to retain this. 10180 pkgSetting.origPackage = null; 10181 } 10182 10183 // SIDE EFFECTS; modifies system state; move elsewhere 10184 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 10185 // Make a note of it. 10186 mTransferedPackages.add(pkg.packageName); 10187 } 10188 10189 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 10190 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10191 } 10192 10193 if ((scanFlags & SCAN_BOOTING) == 0 10194 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 10195 // Check all shared libraries and map to their actual file path. 10196 // We only do this here for apps not on a system dir, because those 10197 // are the only ones that can fail an install due to this. We 10198 // will take care of the system apps by updating all of their 10199 // library paths after the scan is done. Also during the initial 10200 // scan don't update any libs as we do this wholesale after all 10201 // apps are scanned to avoid dependency based scanning. 10202 updateSharedLibrariesLPr(pkg, null); 10203 } 10204 10205 if (mFoundPolicyFile) { 10206 SELinuxMMAC.assignSeInfoValue(pkg); 10207 } 10208 pkg.applicationInfo.uid = pkgSetting.appId; 10209 pkg.mExtras = pkgSetting; 10210 10211 10212 // Static shared libs have same package with different versions where 10213 // we internally use a synthetic package name to allow multiple versions 10214 // of the same package, therefore we need to compare signatures against 10215 // the package setting for the latest library version. 10216 PackageSetting signatureCheckPs = pkgSetting; 10217 if (pkg.applicationInfo.isStaticSharedLibrary()) { 10218 SharedLibraryEntry libraryEntry = getLatestSharedLibraVersionLPr(pkg); 10219 if (libraryEntry != null) { 10220 signatureCheckPs = mSettings.getPackageLPr(libraryEntry.apk); 10221 } 10222 } 10223 10224 if (shouldCheckUpgradeKeySetLP(signatureCheckPs, scanFlags)) { 10225 if (checkUpgradeKeySetLP(signatureCheckPs, pkg)) { 10226 // We just determined the app is signed correctly, so bring 10227 // over the latest parsed certs. 10228 pkgSetting.signatures.mSignatures = pkg.mSignatures; 10229 } else { 10230 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 10231 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 10232 "Package " + pkg.packageName + " upgrade keys do not match the " 10233 + "previously installed version"); 10234 } else { 10235 pkgSetting.signatures.mSignatures = pkg.mSignatures; 10236 String msg = "System package " + pkg.packageName 10237 + " signature changed; retaining data."; 10238 reportSettingsProblem(Log.WARN, msg); 10239 } 10240 } 10241 } else { 10242 try { 10243 // SIDE EFFECTS; compareSignaturesCompat() changes KeysetManagerService 10244 verifySignaturesLP(signatureCheckPs, pkg); 10245 // We just determined the app is signed correctly, so bring 10246 // over the latest parsed certs. 10247 pkgSetting.signatures.mSignatures = pkg.mSignatures; 10248 } catch (PackageManagerException e) { 10249 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 10250 throw e; 10251 } 10252 // The signature has changed, but this package is in the system 10253 // image... let's recover! 10254 pkgSetting.signatures.mSignatures = pkg.mSignatures; 10255 // However... if this package is part of a shared user, but it 10256 // doesn't match the signature of the shared user, let's fail. 10257 // What this means is that you can't change the signatures 10258 // associated with an overall shared user, which doesn't seem all 10259 // that unreasonable. 10260 if (signatureCheckPs.sharedUser != null) { 10261 if (compareSignatures(signatureCheckPs.sharedUser.signatures.mSignatures, 10262 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 10263 throw new PackageManagerException( 10264 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 10265 "Signature mismatch for shared user: " 10266 + pkgSetting.sharedUser); 10267 } 10268 } 10269 // File a report about this. 10270 String msg = "System package " + pkg.packageName 10271 + " signature changed; retaining data."; 10272 reportSettingsProblem(Log.WARN, msg); 10273 } 10274 } 10275 10276 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 10277 // This package wants to adopt ownership of permissions from 10278 // another package. 10279 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 10280 final String origName = pkg.mAdoptPermissions.get(i); 10281 final PackageSetting orig = mSettings.getPackageLPr(origName); 10282 if (orig != null) { 10283 if (verifyPackageUpdateLPr(orig, pkg)) { 10284 Slog.i(TAG, "Adopting permissions from " + origName + " to " 10285 + pkg.packageName); 10286 // SIDE EFFECTS; updates permissions system state; move elsewhere 10287 mSettings.transferPermissionsLPw(origName, pkg.packageName); 10288 } 10289 } 10290 } 10291 } 10292 } 10293 10294 pkg.applicationInfo.processName = fixProcessName( 10295 pkg.applicationInfo.packageName, 10296 pkg.applicationInfo.processName); 10297 10298 if (pkg != mPlatformPackage) { 10299 // Get all of our default paths setup 10300 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 10301 } 10302 10303 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 10304 10305 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 10306 if ((scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) != 0) { 10307 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "derivePackageAbi"); 10308 derivePackageAbi( 10309 pkg, scanFile, cpuAbiOverride, true /*extractLibs*/, mAppLib32InstallDir); 10310 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10311 10312 // Some system apps still use directory structure for native libraries 10313 // in which case we might end up not detecting abi solely based on apk 10314 // structure. Try to detect abi based on directory structure. 10315 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 10316 pkg.applicationInfo.primaryCpuAbi == null) { 10317 setBundledAppAbisAndRoots(pkg, pkgSetting); 10318 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 10319 } 10320 } else { 10321 // This is not a first boot or an upgrade, don't bother deriving the 10322 // ABI during the scan. Instead, trust the value that was stored in the 10323 // package setting. 10324 pkg.applicationInfo.primaryCpuAbi = primaryCpuAbiFromSettings; 10325 pkg.applicationInfo.secondaryCpuAbi = secondaryCpuAbiFromSettings; 10326 10327 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 10328 10329 if (DEBUG_ABI_SELECTION) { 10330 Slog.i(TAG, "Using ABIS and native lib paths from settings : " + 10331 pkg.packageName + " " + pkg.applicationInfo.primaryCpuAbi + ", " + 10332 pkg.applicationInfo.secondaryCpuAbi); 10333 } 10334 } 10335 } else { 10336 if ((scanFlags & SCAN_MOVE) != 0) { 10337 // We haven't run dex-opt for this move (since we've moved the compiled output too) 10338 // but we already have this packages package info in the PackageSetting. We just 10339 // use that and derive the native library path based on the new codepath. 10340 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 10341 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 10342 } 10343 10344 // Set native library paths again. For moves, the path will be updated based on the 10345 // ABIs we've determined above. For non-moves, the path will be updated based on the 10346 // ABIs we determined during compilation, but the path will depend on the final 10347 // package path (after the rename away from the stage path). 10348 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 10349 } 10350 10351 // This is a special case for the "system" package, where the ABI is 10352 // dictated by the zygote configuration (and init.rc). We should keep track 10353 // of this ABI so that we can deal with "normal" applications that run under 10354 // the same UID correctly. 10355 if (mPlatformPackage == pkg) { 10356 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 10357 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 10358 } 10359 10360 // If there's a mismatch between the abi-override in the package setting 10361 // and the abiOverride specified for the install. Warn about this because we 10362 // would've already compiled the app without taking the package setting into 10363 // account. 10364 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 10365 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 10366 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 10367 " for package " + pkg.packageName); 10368 } 10369 } 10370 10371 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 10372 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 10373 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 10374 10375 // Copy the derived override back to the parsed package, so that we can 10376 // update the package settings accordingly. 10377 pkg.cpuAbiOverride = cpuAbiOverride; 10378 10379 if (DEBUG_ABI_SELECTION) { 10380 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 10381 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 10382 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 10383 } 10384 10385 // Push the derived path down into PackageSettings so we know what to 10386 // clean up at uninstall time. 10387 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 10388 10389 if (DEBUG_ABI_SELECTION) { 10390 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 10391 " primary=" + pkg.applicationInfo.primaryCpuAbi + 10392 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 10393 } 10394 10395 // SIDE EFFECTS; removes DEX files from disk; move elsewhere 10396 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 10397 // We don't do this here during boot because we can do it all 10398 // at once after scanning all existing packages. 10399 // 10400 // We also do this *before* we perform dexopt on this package, so that 10401 // we can avoid redundant dexopts, and also to make sure we've got the 10402 // code and package path correct. 10403 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, pkg); 10404 } 10405 10406 if (mFactoryTest && pkg.requestedPermissions.contains( 10407 android.Manifest.permission.FACTORY_TEST)) { 10408 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 10409 } 10410 10411 if (isSystemApp(pkg)) { 10412 pkgSetting.isOrphaned = true; 10413 } 10414 10415 // Take care of first install / last update times. 10416 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 10417 if (currentTime != 0) { 10418 if (pkgSetting.firstInstallTime == 0) { 10419 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 10420 } else if ((scanFlags & SCAN_UPDATE_TIME) != 0) { 10421 pkgSetting.lastUpdateTime = currentTime; 10422 } 10423 } else if (pkgSetting.firstInstallTime == 0) { 10424 // We need *something*. Take time time stamp of the file. 10425 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 10426 } else if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 10427 if (scanFileTime != pkgSetting.timeStamp) { 10428 // A package on the system image has changed; consider this 10429 // to be an update. 10430 pkgSetting.lastUpdateTime = scanFileTime; 10431 } 10432 } 10433 pkgSetting.setTimeStamp(scanFileTime); 10434 10435 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 10436 if (nonMutatedPs != null) { 10437 synchronized (mPackages) { 10438 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 10439 } 10440 } 10441 } else { 10442 final int userId = user == null ? 0 : user.getIdentifier(); 10443 // Modify state for the given package setting 10444 commitPackageSettings(pkg, pkgSetting, user, scanFlags, 10445 (policyFlags & PackageParser.PARSE_CHATTY) != 0 /*chatty*/); 10446 if (pkgSetting.getInstantApp(userId)) { 10447 mInstantAppRegistry.addInstantAppLPw(userId, pkgSetting.appId); 10448 } 10449 } 10450 return pkg; 10451 } 10452 10453 /** 10454 * Applies policy to the parsed package based upon the given policy flags. 10455 * Ensures the package is in a good state. 10456 * <p> 10457 * Implementation detail: This method must NOT have any side effect. It would 10458 * ideally be static, but, it requires locks to read system state. 10459 */ 10460 private void applyPolicy(PackageParser.Package pkg, int policyFlags) { 10461 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 10462 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 10463 if (pkg.applicationInfo.isDirectBootAware()) { 10464 // we're direct boot aware; set for all components 10465 for (PackageParser.Service s : pkg.services) { 10466 s.info.encryptionAware = s.info.directBootAware = true; 10467 } 10468 for (PackageParser.Provider p : pkg.providers) { 10469 p.info.encryptionAware = p.info.directBootAware = true; 10470 } 10471 for (PackageParser.Activity a : pkg.activities) { 10472 a.info.encryptionAware = a.info.directBootAware = true; 10473 } 10474 for (PackageParser.Activity r : pkg.receivers) { 10475 r.info.encryptionAware = r.info.directBootAware = true; 10476 } 10477 } 10478 } else { 10479 // Only allow system apps to be flagged as core apps. 10480 pkg.coreApp = false; 10481 // clear flags not applicable to regular apps 10482 pkg.applicationInfo.privateFlags &= 10483 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 10484 pkg.applicationInfo.privateFlags &= 10485 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 10486 } 10487 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 10488 10489 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 10490 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 10491 } 10492 10493 if (!isSystemApp(pkg)) { 10494 // Only system apps can use these features. 10495 pkg.mOriginalPackages = null; 10496 pkg.mRealPackage = null; 10497 pkg.mAdoptPermissions = null; 10498 } 10499 } 10500 10501 /** 10502 * Asserts the parsed package is valid according to the given policy. If the 10503 * package is invalid, for whatever reason, throws {@link PackageManagerException}. 10504 * <p> 10505 * Implementation detail: This method must NOT have any side effects. It would 10506 * ideally be static, but, it requires locks to read system state. 10507 * 10508 * @throws PackageManagerException If the package fails any of the validation checks 10509 */ 10510 private void assertPackageIsValid(PackageParser.Package pkg, int policyFlags, int scanFlags) 10511 throws PackageManagerException { 10512 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 10513 assertCodePolicy(pkg); 10514 } 10515 10516 if (pkg.applicationInfo.getCodePath() == null || 10517 pkg.applicationInfo.getResourcePath() == null) { 10518 // Bail out. The resource and code paths haven't been set. 10519 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 10520 "Code and resource paths haven't been set correctly"); 10521 } 10522 10523 // Make sure we're not adding any bogus keyset info 10524 KeySetManagerService ksms = mSettings.mKeySetManagerService; 10525 ksms.assertScannedPackageValid(pkg); 10526 10527 synchronized (mPackages) { 10528 // The special "android" package can only be defined once 10529 if (pkg.packageName.equals("android")) { 10530 if (mAndroidApplication != null) { 10531 Slog.w(TAG, "*************************************************"); 10532 Slog.w(TAG, "Core android package being redefined. Skipping."); 10533 Slog.w(TAG, " codePath=" + pkg.codePath); 10534 Slog.w(TAG, "*************************************************"); 10535 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 10536 "Core android package being redefined. Skipping."); 10537 } 10538 } 10539 10540 // A package name must be unique; don't allow duplicates 10541 if (mPackages.containsKey(pkg.packageName)) { 10542 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 10543 "Application package " + pkg.packageName 10544 + " already installed. Skipping duplicate."); 10545 } 10546 10547 if (pkg.applicationInfo.isStaticSharedLibrary()) { 10548 // Static libs have a synthetic package name containing the version 10549 // but we still want the base name to be unique. 10550 if (mPackages.containsKey(pkg.manifestPackageName)) { 10551 throw new PackageManagerException( 10552 "Duplicate static shared lib provider package"); 10553 } 10554 10555 // Static shared libraries should have at least O target SDK 10556 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.O) { 10557 throw new PackageManagerException( 10558 "Packages declaring static-shared libs must target O SDK or higher"); 10559 } 10560 10561 // Package declaring static a shared lib cannot be instant apps 10562 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 10563 throw new PackageManagerException( 10564 "Packages declaring static-shared libs cannot be instant apps"); 10565 } 10566 10567 // Package declaring static a shared lib cannot be renamed since the package 10568 // name is synthetic and apps can't code around package manager internals. 10569 if (!ArrayUtils.isEmpty(pkg.mOriginalPackages)) { 10570 throw new PackageManagerException( 10571 "Packages declaring static-shared libs cannot be renamed"); 10572 } 10573 10574 // Package declaring static a shared lib cannot declare child packages 10575 if (!ArrayUtils.isEmpty(pkg.childPackages)) { 10576 throw new PackageManagerException( 10577 "Packages declaring static-shared libs cannot have child packages"); 10578 } 10579 10580 // Package declaring static a shared lib cannot declare dynamic libs 10581 if (!ArrayUtils.isEmpty(pkg.libraryNames)) { 10582 throw new PackageManagerException( 10583 "Packages declaring static-shared libs cannot declare dynamic libs"); 10584 } 10585 10586 // Package declaring static a shared lib cannot declare shared users 10587 if (pkg.mSharedUserId != null) { 10588 throw new PackageManagerException( 10589 "Packages declaring static-shared libs cannot declare shared users"); 10590 } 10591 10592 // Static shared libs cannot declare activities 10593 if (!pkg.activities.isEmpty()) { 10594 throw new PackageManagerException( 10595 "Static shared libs cannot declare activities"); 10596 } 10597 10598 // Static shared libs cannot declare services 10599 if (!pkg.services.isEmpty()) { 10600 throw new PackageManagerException( 10601 "Static shared libs cannot declare services"); 10602 } 10603 10604 // Static shared libs cannot declare providers 10605 if (!pkg.providers.isEmpty()) { 10606 throw new PackageManagerException( 10607 "Static shared libs cannot declare content providers"); 10608 } 10609 10610 // Static shared libs cannot declare receivers 10611 if (!pkg.receivers.isEmpty()) { 10612 throw new PackageManagerException( 10613 "Static shared libs cannot declare broadcast receivers"); 10614 } 10615 10616 // Static shared libs cannot declare permission groups 10617 if (!pkg.permissionGroups.isEmpty()) { 10618 throw new PackageManagerException( 10619 "Static shared libs cannot declare permission groups"); 10620 } 10621 10622 // Static shared libs cannot declare permissions 10623 if (!pkg.permissions.isEmpty()) { 10624 throw new PackageManagerException( 10625 "Static shared libs cannot declare permissions"); 10626 } 10627 10628 // Static shared libs cannot declare protected broadcasts 10629 if (pkg.protectedBroadcasts != null) { 10630 throw new PackageManagerException( 10631 "Static shared libs cannot declare protected broadcasts"); 10632 } 10633 10634 // Static shared libs cannot be overlay targets 10635 if (pkg.mOverlayTarget != null) { 10636 throw new PackageManagerException( 10637 "Static shared libs cannot be overlay targets"); 10638 } 10639 10640 // The version codes must be ordered as lib versions 10641 int minVersionCode = Integer.MIN_VALUE; 10642 int maxVersionCode = Integer.MAX_VALUE; 10643 10644 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get( 10645 pkg.staticSharedLibName); 10646 if (versionedLib != null) { 10647 final int versionCount = versionedLib.size(); 10648 for (int i = 0; i < versionCount; i++) { 10649 SharedLibraryInfo libInfo = versionedLib.valueAt(i).info; 10650 // TODO: We will change version code to long, so in the new API it is long 10651 final int libVersionCode = (int) libInfo.getDeclaringPackage() 10652 .getVersionCode(); 10653 if (libInfo.getVersion() < pkg.staticSharedLibVersion) { 10654 minVersionCode = Math.max(minVersionCode, libVersionCode + 1); 10655 } else if (libInfo.getVersion() > pkg.staticSharedLibVersion) { 10656 maxVersionCode = Math.min(maxVersionCode, libVersionCode - 1); 10657 } else { 10658 minVersionCode = maxVersionCode = libVersionCode; 10659 break; 10660 } 10661 } 10662 } 10663 if (pkg.mVersionCode < minVersionCode || pkg.mVersionCode > maxVersionCode) { 10664 throw new PackageManagerException("Static shared" 10665 + " lib version codes must be ordered as lib versions"); 10666 } 10667 } 10668 10669 // Only privileged apps and updated privileged apps can add child packages. 10670 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 10671 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 10672 throw new PackageManagerException("Only privileged apps can add child " 10673 + "packages. Ignoring package " + pkg.packageName); 10674 } 10675 final int childCount = pkg.childPackages.size(); 10676 for (int i = 0; i < childCount; i++) { 10677 PackageParser.Package childPkg = pkg.childPackages.get(i); 10678 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 10679 childPkg.packageName)) { 10680 throw new PackageManagerException("Can't override child of " 10681 + "another disabled app. Ignoring package " + pkg.packageName); 10682 } 10683 } 10684 } 10685 10686 // If we're only installing presumed-existing packages, require that the 10687 // scanned APK is both already known and at the path previously established 10688 // for it. Previously unknown packages we pick up normally, but if we have an 10689 // a priori expectation about this package's install presence, enforce it. 10690 // With a singular exception for new system packages. When an OTA contains 10691 // a new system package, we allow the codepath to change from a system location 10692 // to the user-installed location. If we don't allow this change, any newer, 10693 // user-installed version of the application will be ignored. 10694 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 10695 if (mExpectingBetter.containsKey(pkg.packageName)) { 10696 logCriticalInfo(Log.WARN, 10697 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 10698 } else { 10699 PackageSetting known = mSettings.getPackageLPr(pkg.packageName); 10700 if (known != null) { 10701 if (DEBUG_PACKAGE_SCANNING) { 10702 Log.d(TAG, "Examining " + pkg.codePath 10703 + " and requiring known paths " + known.codePathString 10704 + " & " + known.resourcePathString); 10705 } 10706 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 10707 || !pkg.applicationInfo.getResourcePath().equals( 10708 known.resourcePathString)) { 10709 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 10710 "Application package " + pkg.packageName 10711 + " found at " + pkg.applicationInfo.getCodePath() 10712 + " but expected at " + known.codePathString 10713 + "; ignoring."); 10714 } 10715 } 10716 } 10717 } 10718 10719 // Verify that this new package doesn't have any content providers 10720 // that conflict with existing packages. Only do this if the 10721 // package isn't already installed, since we don't want to break 10722 // things that are installed. 10723 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 10724 final int N = pkg.providers.size(); 10725 int i; 10726 for (i=0; i<N; i++) { 10727 PackageParser.Provider p = pkg.providers.get(i); 10728 if (p.info.authority != null) { 10729 String names[] = p.info.authority.split(";"); 10730 for (int j = 0; j < names.length; j++) { 10731 if (mProvidersByAuthority.containsKey(names[j])) { 10732 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 10733 final String otherPackageName = 10734 ((other != null && other.getComponentName() != null) ? 10735 other.getComponentName().getPackageName() : "?"); 10736 throw new PackageManagerException( 10737 INSTALL_FAILED_CONFLICTING_PROVIDER, 10738 "Can't install because provider name " + names[j] 10739 + " (in package " + pkg.applicationInfo.packageName 10740 + ") is already used by " + otherPackageName); 10741 } 10742 } 10743 } 10744 } 10745 } 10746 } 10747 } 10748 10749 private boolean addSharedLibraryLPw(String path, String apk, String name, int version, 10750 int type, String declaringPackageName, int declaringVersionCode) { 10751 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 10752 if (versionedLib == null) { 10753 versionedLib = new SparseArray<>(); 10754 mSharedLibraries.put(name, versionedLib); 10755 if (type == SharedLibraryInfo.TYPE_STATIC) { 10756 mStaticLibsByDeclaringPackage.put(declaringPackageName, versionedLib); 10757 } 10758 } else if (versionedLib.indexOfKey(version) >= 0) { 10759 return false; 10760 } 10761 SharedLibraryEntry libEntry = new SharedLibraryEntry(path, apk, name, 10762 version, type, declaringPackageName, declaringVersionCode); 10763 versionedLib.put(version, libEntry); 10764 return true; 10765 } 10766 10767 private boolean removeSharedLibraryLPw(String name, int version) { 10768 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 10769 if (versionedLib == null) { 10770 return false; 10771 } 10772 final int libIdx = versionedLib.indexOfKey(version); 10773 if (libIdx < 0) { 10774 return false; 10775 } 10776 SharedLibraryEntry libEntry = versionedLib.valueAt(libIdx); 10777 versionedLib.remove(version); 10778 if (versionedLib.size() <= 0) { 10779 mSharedLibraries.remove(name); 10780 if (libEntry.info.getType() == SharedLibraryInfo.TYPE_STATIC) { 10781 mStaticLibsByDeclaringPackage.remove(libEntry.info.getDeclaringPackage() 10782 .getPackageName()); 10783 } 10784 } 10785 return true; 10786 } 10787 10788 /** 10789 * Adds a scanned package to the system. When this method is finished, the package will 10790 * be available for query, resolution, etc... 10791 */ 10792 private void commitPackageSettings(PackageParser.Package pkg, PackageSetting pkgSetting, 10793 UserHandle user, int scanFlags, boolean chatty) throws PackageManagerException { 10794 final String pkgName = pkg.packageName; 10795 if (mCustomResolverComponentName != null && 10796 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 10797 setUpCustomResolverActivity(pkg); 10798 } 10799 10800 if (pkg.packageName.equals("android")) { 10801 synchronized (mPackages) { 10802 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 10803 // Set up information for our fall-back user intent resolution activity. 10804 mPlatformPackage = pkg; 10805 pkg.mVersionCode = mSdkVersion; 10806 mAndroidApplication = pkg.applicationInfo; 10807 if (!mResolverReplaced) { 10808 mResolveActivity.applicationInfo = mAndroidApplication; 10809 mResolveActivity.name = ResolverActivity.class.getName(); 10810 mResolveActivity.packageName = mAndroidApplication.packageName; 10811 mResolveActivity.processName = "system:ui"; 10812 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 10813 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 10814 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 10815 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 10816 mResolveActivity.exported = true; 10817 mResolveActivity.enabled = true; 10818 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 10819 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 10820 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 10821 | ActivityInfo.CONFIG_SCREEN_LAYOUT 10822 | ActivityInfo.CONFIG_ORIENTATION 10823 | ActivityInfo.CONFIG_KEYBOARD 10824 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 10825 mResolveInfo.activityInfo = mResolveActivity; 10826 mResolveInfo.priority = 0; 10827 mResolveInfo.preferredOrder = 0; 10828 mResolveInfo.match = 0; 10829 mResolveComponentName = new ComponentName( 10830 mAndroidApplication.packageName, mResolveActivity.name); 10831 } 10832 } 10833 } 10834 } 10835 10836 ArrayList<PackageParser.Package> clientLibPkgs = null; 10837 // writer 10838 synchronized (mPackages) { 10839 boolean hasStaticSharedLibs = false; 10840 10841 // Any app can add new static shared libraries 10842 if (pkg.staticSharedLibName != null) { 10843 // Static shared libs don't allow renaming as they have synthetic package 10844 // names to allow install of multiple versions, so use name from manifest. 10845 if (addSharedLibraryLPw(null, pkg.packageName, pkg.staticSharedLibName, 10846 pkg.staticSharedLibVersion, SharedLibraryInfo.TYPE_STATIC, 10847 pkg.manifestPackageName, pkg.mVersionCode)) { 10848 hasStaticSharedLibs = true; 10849 } else { 10850 Slog.w(TAG, "Package " + pkg.packageName + " library " 10851 + pkg.staticSharedLibName + " already exists; skipping"); 10852 } 10853 // Static shared libs cannot be updated once installed since they 10854 // use synthetic package name which includes the version code, so 10855 // not need to update other packages's shared lib dependencies. 10856 } 10857 10858 if (!hasStaticSharedLibs 10859 && (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 10860 // Only system apps can add new dynamic shared libraries. 10861 if (pkg.libraryNames != null) { 10862 for (int i = 0; i < pkg.libraryNames.size(); i++) { 10863 String name = pkg.libraryNames.get(i); 10864 boolean allowed = false; 10865 if (pkg.isUpdatedSystemApp()) { 10866 // New library entries can only be added through the 10867 // system image. This is important to get rid of a lot 10868 // of nasty edge cases: for example if we allowed a non- 10869 // system update of the app to add a library, then uninstalling 10870 // the update would make the library go away, and assumptions 10871 // we made such as through app install filtering would now 10872 // have allowed apps on the device which aren't compatible 10873 // with it. Better to just have the restriction here, be 10874 // conservative, and create many fewer cases that can negatively 10875 // impact the user experience. 10876 final PackageSetting sysPs = mSettings 10877 .getDisabledSystemPkgLPr(pkg.packageName); 10878 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 10879 for (int j = 0; j < sysPs.pkg.libraryNames.size(); j++) { 10880 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 10881 allowed = true; 10882 break; 10883 } 10884 } 10885 } 10886 } else { 10887 allowed = true; 10888 } 10889 if (allowed) { 10890 if (!addSharedLibraryLPw(null, pkg.packageName, name, 10891 SharedLibraryInfo.VERSION_UNDEFINED, 10892 SharedLibraryInfo.TYPE_DYNAMIC, 10893 pkg.packageName, pkg.mVersionCode)) { 10894 Slog.w(TAG, "Package " + pkg.packageName + " library " 10895 + name + " already exists; skipping"); 10896 } 10897 } else { 10898 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 10899 + name + " that is not declared on system image; skipping"); 10900 } 10901 } 10902 10903 if ((scanFlags & SCAN_BOOTING) == 0) { 10904 // If we are not booting, we need to update any applications 10905 // that are clients of our shared library. If we are booting, 10906 // this will all be done once the scan is complete. 10907 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 10908 } 10909 } 10910 } 10911 } 10912 10913 if ((scanFlags & SCAN_BOOTING) != 0) { 10914 // No apps can run during boot scan, so they don't need to be frozen 10915 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 10916 // Caller asked to not kill app, so it's probably not frozen 10917 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 10918 // Caller asked us to ignore frozen check for some reason; they 10919 // probably didn't know the package name 10920 } else { 10921 // We're doing major surgery on this package, so it better be frozen 10922 // right now to keep it from launching 10923 checkPackageFrozen(pkgName); 10924 } 10925 10926 // Also need to kill any apps that are dependent on the library. 10927 if (clientLibPkgs != null) { 10928 for (int i=0; i<clientLibPkgs.size(); i++) { 10929 PackageParser.Package clientPkg = clientLibPkgs.get(i); 10930 killApplication(clientPkg.applicationInfo.packageName, 10931 clientPkg.applicationInfo.uid, "update lib"); 10932 } 10933 } 10934 10935 // writer 10936 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 10937 10938 synchronized (mPackages) { 10939 // We don't expect installation to fail beyond this point 10940 10941 // Add the new setting to mSettings 10942 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 10943 // Add the new setting to mPackages 10944 mPackages.put(pkg.applicationInfo.packageName, pkg); 10945 // Make sure we don't accidentally delete its data. 10946 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 10947 while (iter.hasNext()) { 10948 PackageCleanItem item = iter.next(); 10949 if (pkgName.equals(item.packageName)) { 10950 iter.remove(); 10951 } 10952 } 10953 10954 // Add the package's KeySets to the global KeySetManagerService 10955 KeySetManagerService ksms = mSettings.mKeySetManagerService; 10956 ksms.addScannedPackageLPw(pkg); 10957 10958 int N = pkg.providers.size(); 10959 StringBuilder r = null; 10960 int i; 10961 for (i=0; i<N; i++) { 10962 PackageParser.Provider p = pkg.providers.get(i); 10963 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 10964 p.info.processName); 10965 mProviders.addProvider(p); 10966 p.syncable = p.info.isSyncable; 10967 if (p.info.authority != null) { 10968 String names[] = p.info.authority.split(";"); 10969 p.info.authority = null; 10970 for (int j = 0; j < names.length; j++) { 10971 if (j == 1 && p.syncable) { 10972 // We only want the first authority for a provider to possibly be 10973 // syncable, so if we already added this provider using a different 10974 // authority clear the syncable flag. We copy the provider before 10975 // changing it because the mProviders object contains a reference 10976 // to a provider that we don't want to change. 10977 // Only do this for the second authority since the resulting provider 10978 // object can be the same for all future authorities for this provider. 10979 p = new PackageParser.Provider(p); 10980 p.syncable = false; 10981 } 10982 if (!mProvidersByAuthority.containsKey(names[j])) { 10983 mProvidersByAuthority.put(names[j], p); 10984 if (p.info.authority == null) { 10985 p.info.authority = names[j]; 10986 } else { 10987 p.info.authority = p.info.authority + ";" + names[j]; 10988 } 10989 if (DEBUG_PACKAGE_SCANNING) { 10990 if (chatty) 10991 Log.d(TAG, "Registered content provider: " + names[j] 10992 + ", className = " + p.info.name + ", isSyncable = " 10993 + p.info.isSyncable); 10994 } 10995 } else { 10996 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 10997 Slog.w(TAG, "Skipping provider name " + names[j] + 10998 " (in package " + pkg.applicationInfo.packageName + 10999 "): name already used by " 11000 + ((other != null && other.getComponentName() != null) 11001 ? other.getComponentName().getPackageName() : "?")); 11002 } 11003 } 11004 } 11005 if (chatty) { 11006 if (r == null) { 11007 r = new StringBuilder(256); 11008 } else { 11009 r.append(' '); 11010 } 11011 r.append(p.info.name); 11012 } 11013 } 11014 if (r != null) { 11015 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 11016 } 11017 11018 N = pkg.services.size(); 11019 r = null; 11020 for (i=0; i<N; i++) { 11021 PackageParser.Service s = pkg.services.get(i); 11022 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 11023 s.info.processName); 11024 mServices.addService(s); 11025 if (chatty) { 11026 if (r == null) { 11027 r = new StringBuilder(256); 11028 } else { 11029 r.append(' '); 11030 } 11031 r.append(s.info.name); 11032 } 11033 } 11034 if (r != null) { 11035 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 11036 } 11037 11038 N = pkg.receivers.size(); 11039 r = null; 11040 for (i=0; i<N; i++) { 11041 PackageParser.Activity a = pkg.receivers.get(i); 11042 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 11043 a.info.processName); 11044 mReceivers.addActivity(a, "receiver"); 11045 if (chatty) { 11046 if (r == null) { 11047 r = new StringBuilder(256); 11048 } else { 11049 r.append(' '); 11050 } 11051 r.append(a.info.name); 11052 } 11053 } 11054 if (r != null) { 11055 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 11056 } 11057 11058 N = pkg.activities.size(); 11059 r = null; 11060 for (i=0; i<N; i++) { 11061 PackageParser.Activity a = pkg.activities.get(i); 11062 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 11063 a.info.processName); 11064 mActivities.addActivity(a, "activity"); 11065 if (chatty) { 11066 if (r == null) { 11067 r = new StringBuilder(256); 11068 } else { 11069 r.append(' '); 11070 } 11071 r.append(a.info.name); 11072 } 11073 } 11074 if (r != null) { 11075 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 11076 } 11077 11078 N = pkg.permissionGroups.size(); 11079 r = null; 11080 for (i=0; i<N; i++) { 11081 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 11082 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 11083 final String curPackageName = cur == null ? null : cur.info.packageName; 11084 // Dont allow ephemeral apps to define new permission groups. 11085 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 11086 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 11087 + pg.info.packageName 11088 + " ignored: instant apps cannot define new permission groups."); 11089 continue; 11090 } 11091 final boolean isPackageUpdate = pg.info.packageName.equals(curPackageName); 11092 if (cur == null || isPackageUpdate) { 11093 mPermissionGroups.put(pg.info.name, pg); 11094 if (chatty) { 11095 if (r == null) { 11096 r = new StringBuilder(256); 11097 } else { 11098 r.append(' '); 11099 } 11100 if (isPackageUpdate) { 11101 r.append("UPD:"); 11102 } 11103 r.append(pg.info.name); 11104 } 11105 } else { 11106 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 11107 + pg.info.packageName + " ignored: original from " 11108 + cur.info.packageName); 11109 if (chatty) { 11110 if (r == null) { 11111 r = new StringBuilder(256); 11112 } else { 11113 r.append(' '); 11114 } 11115 r.append("DUP:"); 11116 r.append(pg.info.name); 11117 } 11118 } 11119 } 11120 if (r != null) { 11121 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 11122 } 11123 11124 N = pkg.permissions.size(); 11125 r = null; 11126 for (i=0; i<N; i++) { 11127 PackageParser.Permission p = pkg.permissions.get(i); 11128 11129 // Dont allow ephemeral apps to define new permissions. 11130 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 11131 Slog.w(TAG, "Permission " + p.info.name + " from package " 11132 + p.info.packageName 11133 + " ignored: instant apps cannot define new permissions."); 11134 continue; 11135 } 11136 11137 // Assume by default that we did not install this permission into the system. 11138 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 11139 11140 // Now that permission groups have a special meaning, we ignore permission 11141 // groups for legacy apps to prevent unexpected behavior. In particular, 11142 // permissions for one app being granted to someone just because they happen 11143 // to be in a group defined by another app (before this had no implications). 11144 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 11145 p.group = mPermissionGroups.get(p.info.group); 11146 // Warn for a permission in an unknown group. 11147 if (DEBUG_PERMISSIONS && p.info.group != null && p.group == null) { 11148 Slog.i(TAG, "Permission " + p.info.name + " from package " 11149 + p.info.packageName + " in an unknown group " + p.info.group); 11150 } 11151 } 11152 11153 ArrayMap<String, BasePermission> permissionMap = 11154 p.tree ? mSettings.mPermissionTrees 11155 : mSettings.mPermissions; 11156 BasePermission bp = permissionMap.get(p.info.name); 11157 11158 // Allow system apps to redefine non-system permissions 11159 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 11160 final boolean currentOwnerIsSystem = (bp.perm != null 11161 && isSystemApp(bp.perm.owner)); 11162 if (isSystemApp(p.owner)) { 11163 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 11164 // It's a built-in permission and no owner, take ownership now 11165 bp.packageSetting = pkgSetting; 11166 bp.perm = p; 11167 bp.uid = pkg.applicationInfo.uid; 11168 bp.sourcePackage = p.info.packageName; 11169 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 11170 } else if (!currentOwnerIsSystem) { 11171 String msg = "New decl " + p.owner + " of permission " 11172 + p.info.name + " is system; overriding " + bp.sourcePackage; 11173 reportSettingsProblem(Log.WARN, msg); 11174 bp = null; 11175 } 11176 } 11177 } 11178 11179 if (bp == null) { 11180 bp = new BasePermission(p.info.name, p.info.packageName, 11181 BasePermission.TYPE_NORMAL); 11182 permissionMap.put(p.info.name, bp); 11183 } 11184 11185 if (bp.perm == null) { 11186 if (bp.sourcePackage == null 11187 || bp.sourcePackage.equals(p.info.packageName)) { 11188 BasePermission tree = findPermissionTreeLP(p.info.name); 11189 if (tree == null 11190 || tree.sourcePackage.equals(p.info.packageName)) { 11191 bp.packageSetting = pkgSetting; 11192 bp.perm = p; 11193 bp.uid = pkg.applicationInfo.uid; 11194 bp.sourcePackage = p.info.packageName; 11195 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 11196 if (chatty) { 11197 if (r == null) { 11198 r = new StringBuilder(256); 11199 } else { 11200 r.append(' '); 11201 } 11202 r.append(p.info.name); 11203 } 11204 } else { 11205 Slog.w(TAG, "Permission " + p.info.name + " from package " 11206 + p.info.packageName + " ignored: base tree " 11207 + tree.name + " is from package " 11208 + tree.sourcePackage); 11209 } 11210 } else { 11211 Slog.w(TAG, "Permission " + p.info.name + " from package " 11212 + p.info.packageName + " ignored: original from " 11213 + bp.sourcePackage); 11214 } 11215 } else if (chatty) { 11216 if (r == null) { 11217 r = new StringBuilder(256); 11218 } else { 11219 r.append(' '); 11220 } 11221 r.append("DUP:"); 11222 r.append(p.info.name); 11223 } 11224 if (bp.perm == p) { 11225 bp.protectionLevel = p.info.protectionLevel; 11226 } 11227 } 11228 11229 if (r != null) { 11230 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 11231 } 11232 11233 N = pkg.instrumentation.size(); 11234 r = null; 11235 for (i=0; i<N; i++) { 11236 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 11237 a.info.packageName = pkg.applicationInfo.packageName; 11238 a.info.sourceDir = pkg.applicationInfo.sourceDir; 11239 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 11240 a.info.splitNames = pkg.splitNames; 11241 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 11242 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 11243 a.info.splitDependencies = pkg.applicationInfo.splitDependencies; 11244 a.info.dataDir = pkg.applicationInfo.dataDir; 11245 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 11246 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 11247 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 11248 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 11249 mInstrumentation.put(a.getComponentName(), a); 11250 if (chatty) { 11251 if (r == null) { 11252 r = new StringBuilder(256); 11253 } else { 11254 r.append(' '); 11255 } 11256 r.append(a.info.name); 11257 } 11258 } 11259 if (r != null) { 11260 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 11261 } 11262 11263 if (pkg.protectedBroadcasts != null) { 11264 N = pkg.protectedBroadcasts.size(); 11265 for (i=0; i<N; i++) { 11266 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 11267 } 11268 } 11269 } 11270 11271 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11272 } 11273 11274 /** 11275 * Derive the ABI of a non-system package located at {@code scanFile}. This information 11276 * is derived purely on the basis of the contents of {@code scanFile} and 11277 * {@code cpuAbiOverride}. 11278 * 11279 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 11280 */ 11281 private static void derivePackageAbi(PackageParser.Package pkg, File scanFile, 11282 String cpuAbiOverride, boolean extractLibs, 11283 File appLib32InstallDir) 11284 throws PackageManagerException { 11285 // Give ourselves some initial paths; we'll come back for another 11286 // pass once we've determined ABI below. 11287 setNativeLibraryPaths(pkg, appLib32InstallDir); 11288 11289 // We would never need to extract libs for forward-locked and external packages, 11290 // since the container service will do it for us. We shouldn't attempt to 11291 // extract libs from system app when it was not updated. 11292 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 11293 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 11294 extractLibs = false; 11295 } 11296 11297 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 11298 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 11299 11300 NativeLibraryHelper.Handle handle = null; 11301 try { 11302 handle = NativeLibraryHelper.Handle.create(pkg); 11303 // TODO(multiArch): This can be null for apps that didn't go through the 11304 // usual installation process. We can calculate it again, like we 11305 // do during install time. 11306 // 11307 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 11308 // unnecessary. 11309 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 11310 11311 // Null out the abis so that they can be recalculated. 11312 pkg.applicationInfo.primaryCpuAbi = null; 11313 pkg.applicationInfo.secondaryCpuAbi = null; 11314 if (isMultiArch(pkg.applicationInfo)) { 11315 // Warn if we've set an abiOverride for multi-lib packages.. 11316 // By definition, we need to copy both 32 and 64 bit libraries for 11317 // such packages. 11318 if (pkg.cpuAbiOverride != null 11319 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 11320 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 11321 } 11322 11323 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 11324 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 11325 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 11326 if (extractLibs) { 11327 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 11328 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 11329 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 11330 useIsaSpecificSubdirs); 11331 } else { 11332 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 11333 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 11334 } 11335 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11336 } 11337 11338 maybeThrowExceptionForMultiArchCopy( 11339 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 11340 11341 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 11342 if (extractLibs) { 11343 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 11344 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 11345 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 11346 useIsaSpecificSubdirs); 11347 } else { 11348 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 11349 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 11350 } 11351 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11352 } 11353 11354 maybeThrowExceptionForMultiArchCopy( 11355 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 11356 11357 if (abi64 >= 0) { 11358 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 11359 } 11360 11361 if (abi32 >= 0) { 11362 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 11363 if (abi64 >= 0) { 11364 if (pkg.use32bitAbi) { 11365 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 11366 pkg.applicationInfo.primaryCpuAbi = abi; 11367 } else { 11368 pkg.applicationInfo.secondaryCpuAbi = abi; 11369 } 11370 } else { 11371 pkg.applicationInfo.primaryCpuAbi = abi; 11372 } 11373 } 11374 11375 } else { 11376 String[] abiList = (cpuAbiOverride != null) ? 11377 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 11378 11379 // Enable gross and lame hacks for apps that are built with old 11380 // SDK tools. We must scan their APKs for renderscript bitcode and 11381 // not launch them if it's present. Don't bother checking on devices 11382 // that don't have 64 bit support. 11383 boolean needsRenderScriptOverride = false; 11384 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 11385 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 11386 abiList = Build.SUPPORTED_32_BIT_ABIS; 11387 needsRenderScriptOverride = true; 11388 } 11389 11390 final int copyRet; 11391 if (extractLibs) { 11392 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 11393 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 11394 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 11395 } else { 11396 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 11397 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 11398 } 11399 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11400 11401 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 11402 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 11403 "Error unpackaging native libs for app, errorCode=" + copyRet); 11404 } 11405 11406 if (copyRet >= 0) { 11407 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 11408 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 11409 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 11410 } else if (needsRenderScriptOverride) { 11411 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 11412 } 11413 } 11414 } catch (IOException ioe) { 11415 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 11416 } finally { 11417 IoUtils.closeQuietly(handle); 11418 } 11419 11420 // Now that we've calculated the ABIs and determined if it's an internal app, 11421 // we will go ahead and populate the nativeLibraryPath. 11422 setNativeLibraryPaths(pkg, appLib32InstallDir); 11423 } 11424 11425 /** 11426 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 11427 * i.e, so that all packages can be run inside a single process if required. 11428 * 11429 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 11430 * this function will either try and make the ABI for all packages in {@code packagesForUser} 11431 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 11432 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 11433 * updating a package that belongs to a shared user. 11434 * 11435 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 11436 * adds unnecessary complexity. 11437 */ 11438 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 11439 PackageParser.Package scannedPackage) { 11440 String requiredInstructionSet = null; 11441 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 11442 requiredInstructionSet = VMRuntime.getInstructionSet( 11443 scannedPackage.applicationInfo.primaryCpuAbi); 11444 } 11445 11446 PackageSetting requirer = null; 11447 for (PackageSetting ps : packagesForUser) { 11448 // If packagesForUser contains scannedPackage, we skip it. This will happen 11449 // when scannedPackage is an update of an existing package. Without this check, 11450 // we will never be able to change the ABI of any package belonging to a shared 11451 // user, even if it's compatible with other packages. 11452 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 11453 if (ps.primaryCpuAbiString == null) { 11454 continue; 11455 } 11456 11457 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 11458 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 11459 // We have a mismatch between instruction sets (say arm vs arm64) warn about 11460 // this but there's not much we can do. 11461 String errorMessage = "Instruction set mismatch, " 11462 + ((requirer == null) ? "[caller]" : requirer) 11463 + " requires " + requiredInstructionSet + " whereas " + ps 11464 + " requires " + instructionSet; 11465 Slog.w(TAG, errorMessage); 11466 } 11467 11468 if (requiredInstructionSet == null) { 11469 requiredInstructionSet = instructionSet; 11470 requirer = ps; 11471 } 11472 } 11473 } 11474 11475 if (requiredInstructionSet != null) { 11476 String adjustedAbi; 11477 if (requirer != null) { 11478 // requirer != null implies that either scannedPackage was null or that scannedPackage 11479 // did not require an ABI, in which case we have to adjust scannedPackage to match 11480 // the ABI of the set (which is the same as requirer's ABI) 11481 adjustedAbi = requirer.primaryCpuAbiString; 11482 if (scannedPackage != null) { 11483 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 11484 } 11485 } else { 11486 // requirer == null implies that we're updating all ABIs in the set to 11487 // match scannedPackage. 11488 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 11489 } 11490 11491 for (PackageSetting ps : packagesForUser) { 11492 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 11493 if (ps.primaryCpuAbiString != null) { 11494 continue; 11495 } 11496 11497 ps.primaryCpuAbiString = adjustedAbi; 11498 if (ps.pkg != null && ps.pkg.applicationInfo != null && 11499 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 11500 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 11501 if (DEBUG_ABI_SELECTION) { 11502 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 11503 + " (requirer=" 11504 + (requirer != null ? requirer.pkg : "null") 11505 + ", scannedPackage=" 11506 + (scannedPackage != null ? scannedPackage : "null") 11507 + ")"); 11508 } 11509 try { 11510 mInstaller.rmdex(ps.codePathString, 11511 getDexCodeInstructionSet(getPreferredInstructionSet())); 11512 } catch (InstallerException ignored) { 11513 } 11514 } 11515 } 11516 } 11517 } 11518 } 11519 11520 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 11521 synchronized (mPackages) { 11522 mResolverReplaced = true; 11523 // Set up information for custom user intent resolution activity. 11524 mResolveActivity.applicationInfo = pkg.applicationInfo; 11525 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 11526 mResolveActivity.packageName = pkg.applicationInfo.packageName; 11527 mResolveActivity.processName = pkg.applicationInfo.packageName; 11528 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 11529 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 11530 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 11531 mResolveActivity.theme = 0; 11532 mResolveActivity.exported = true; 11533 mResolveActivity.enabled = true; 11534 mResolveInfo.activityInfo = mResolveActivity; 11535 mResolveInfo.priority = 0; 11536 mResolveInfo.preferredOrder = 0; 11537 mResolveInfo.match = 0; 11538 mResolveComponentName = mCustomResolverComponentName; 11539 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 11540 mResolveComponentName); 11541 } 11542 } 11543 11544 private void setUpInstantAppInstallerActivityLP(ActivityInfo installerActivity) { 11545 if (installerActivity == null) { 11546 if (DEBUG_EPHEMERAL) { 11547 Slog.d(TAG, "Clear ephemeral installer activity"); 11548 } 11549 mInstantAppInstallerActivity = null; 11550 return; 11551 } 11552 11553 if (DEBUG_EPHEMERAL) { 11554 Slog.d(TAG, "Set ephemeral installer activity: " 11555 + installerActivity.getComponentName()); 11556 } 11557 // Set up information for ephemeral installer activity 11558 mInstantAppInstallerActivity = installerActivity; 11559 mInstantAppInstallerActivity.flags |= ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS 11560 | ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 11561 mInstantAppInstallerActivity.exported = true; 11562 mInstantAppInstallerActivity.enabled = true; 11563 mInstantAppInstallerInfo.activityInfo = mInstantAppInstallerActivity; 11564 mInstantAppInstallerInfo.priority = 0; 11565 mInstantAppInstallerInfo.preferredOrder = 1; 11566 mInstantAppInstallerInfo.isDefault = true; 11567 mInstantAppInstallerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 11568 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 11569 } 11570 11571 private static String calculateBundledApkRoot(final String codePathString) { 11572 final File codePath = new File(codePathString); 11573 final File codeRoot; 11574 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 11575 codeRoot = Environment.getRootDirectory(); 11576 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 11577 codeRoot = Environment.getOemDirectory(); 11578 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 11579 codeRoot = Environment.getVendorDirectory(); 11580 } else { 11581 // Unrecognized code path; take its top real segment as the apk root: 11582 // e.g. /something/app/blah.apk => /something 11583 try { 11584 File f = codePath.getCanonicalFile(); 11585 File parent = f.getParentFile(); // non-null because codePath is a file 11586 File tmp; 11587 while ((tmp = parent.getParentFile()) != null) { 11588 f = parent; 11589 parent = tmp; 11590 } 11591 codeRoot = f; 11592 Slog.w(TAG, "Unrecognized code path " 11593 + codePath + " - using " + codeRoot); 11594 } catch (IOException e) { 11595 // Can't canonicalize the code path -- shenanigans? 11596 Slog.w(TAG, "Can't canonicalize code path " + codePath); 11597 return Environment.getRootDirectory().getPath(); 11598 } 11599 } 11600 return codeRoot.getPath(); 11601 } 11602 11603 /** 11604 * Derive and set the location of native libraries for the given package, 11605 * which varies depending on where and how the package was installed. 11606 */ 11607 private static void setNativeLibraryPaths(PackageParser.Package pkg, File appLib32InstallDir) { 11608 final ApplicationInfo info = pkg.applicationInfo; 11609 final String codePath = pkg.codePath; 11610 final File codeFile = new File(codePath); 11611 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 11612 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 11613 11614 info.nativeLibraryRootDir = null; 11615 info.nativeLibraryRootRequiresIsa = false; 11616 info.nativeLibraryDir = null; 11617 info.secondaryNativeLibraryDir = null; 11618 11619 if (isApkFile(codeFile)) { 11620 // Monolithic install 11621 if (bundledApp) { 11622 // If "/system/lib64/apkname" exists, assume that is the per-package 11623 // native library directory to use; otherwise use "/system/lib/apkname". 11624 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 11625 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 11626 getPrimaryInstructionSet(info)); 11627 11628 // This is a bundled system app so choose the path based on the ABI. 11629 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 11630 // is just the default path. 11631 final String apkName = deriveCodePathName(codePath); 11632 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 11633 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 11634 apkName).getAbsolutePath(); 11635 11636 if (info.secondaryCpuAbi != null) { 11637 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 11638 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 11639 secondaryLibDir, apkName).getAbsolutePath(); 11640 } 11641 } else if (asecApp) { 11642 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 11643 .getAbsolutePath(); 11644 } else { 11645 final String apkName = deriveCodePathName(codePath); 11646 info.nativeLibraryRootDir = new File(appLib32InstallDir, apkName) 11647 .getAbsolutePath(); 11648 } 11649 11650 info.nativeLibraryRootRequiresIsa = false; 11651 info.nativeLibraryDir = info.nativeLibraryRootDir; 11652 } else { 11653 // Cluster install 11654 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 11655 info.nativeLibraryRootRequiresIsa = true; 11656 11657 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 11658 getPrimaryInstructionSet(info)).getAbsolutePath(); 11659 11660 if (info.secondaryCpuAbi != null) { 11661 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 11662 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 11663 } 11664 } 11665 } 11666 11667 /** 11668 * Calculate the abis and roots for a bundled app. These can uniquely 11669 * be determined from the contents of the system partition, i.e whether 11670 * it contains 64 or 32 bit shared libraries etc. We do not validate any 11671 * of this information, and instead assume that the system was built 11672 * sensibly. 11673 */ 11674 private static void setBundledAppAbisAndRoots(PackageParser.Package pkg, 11675 PackageSetting pkgSetting) { 11676 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 11677 11678 // If "/system/lib64/apkname" exists, assume that is the per-package 11679 // native library directory to use; otherwise use "/system/lib/apkname". 11680 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 11681 setBundledAppAbi(pkg, apkRoot, apkName); 11682 // pkgSetting might be null during rescan following uninstall of updates 11683 // to a bundled app, so accommodate that possibility. The settings in 11684 // that case will be established later from the parsed package. 11685 // 11686 // If the settings aren't null, sync them up with what we've just derived. 11687 // note that apkRoot isn't stored in the package settings. 11688 if (pkgSetting != null) { 11689 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 11690 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 11691 } 11692 } 11693 11694 /** 11695 * Deduces the ABI of a bundled app and sets the relevant fields on the 11696 * parsed pkg object. 11697 * 11698 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 11699 * under which system libraries are installed. 11700 * @param apkName the name of the installed package. 11701 */ 11702 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 11703 final File codeFile = new File(pkg.codePath); 11704 11705 final boolean has64BitLibs; 11706 final boolean has32BitLibs; 11707 if (isApkFile(codeFile)) { 11708 // Monolithic install 11709 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 11710 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 11711 } else { 11712 // Cluster install 11713 final File rootDir = new File(codeFile, LIB_DIR_NAME); 11714 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 11715 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 11716 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 11717 has64BitLibs = (new File(rootDir, isa)).exists(); 11718 } else { 11719 has64BitLibs = false; 11720 } 11721 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 11722 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 11723 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 11724 has32BitLibs = (new File(rootDir, isa)).exists(); 11725 } else { 11726 has32BitLibs = false; 11727 } 11728 } 11729 11730 if (has64BitLibs && !has32BitLibs) { 11731 // The package has 64 bit libs, but not 32 bit libs. Its primary 11732 // ABI should be 64 bit. We can safely assume here that the bundled 11733 // native libraries correspond to the most preferred ABI in the list. 11734 11735 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 11736 pkg.applicationInfo.secondaryCpuAbi = null; 11737 } else if (has32BitLibs && !has64BitLibs) { 11738 // The package has 32 bit libs but not 64 bit libs. Its primary 11739 // ABI should be 32 bit. 11740 11741 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 11742 pkg.applicationInfo.secondaryCpuAbi = null; 11743 } else if (has32BitLibs && has64BitLibs) { 11744 // The application has both 64 and 32 bit bundled libraries. We check 11745 // here that the app declares multiArch support, and warn if it doesn't. 11746 // 11747 // We will be lenient here and record both ABIs. The primary will be the 11748 // ABI that's higher on the list, i.e, a device that's configured to prefer 11749 // 64 bit apps will see a 64 bit primary ABI, 11750 11751 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 11752 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 11753 } 11754 11755 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 11756 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 11757 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 11758 } else { 11759 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 11760 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 11761 } 11762 } else { 11763 pkg.applicationInfo.primaryCpuAbi = null; 11764 pkg.applicationInfo.secondaryCpuAbi = null; 11765 } 11766 } 11767 11768 private void killApplication(String pkgName, int appId, String reason) { 11769 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 11770 } 11771 11772 private void killApplication(String pkgName, int appId, int userId, String reason) { 11773 // Request the ActivityManager to kill the process(only for existing packages) 11774 // so that we do not end up in a confused state while the user is still using the older 11775 // version of the application while the new one gets installed. 11776 final long token = Binder.clearCallingIdentity(); 11777 try { 11778 IActivityManager am = ActivityManager.getService(); 11779 if (am != null) { 11780 try { 11781 am.killApplication(pkgName, appId, userId, reason); 11782 } catch (RemoteException e) { 11783 } 11784 } 11785 } finally { 11786 Binder.restoreCallingIdentity(token); 11787 } 11788 } 11789 11790 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 11791 // Remove the parent package setting 11792 PackageSetting ps = (PackageSetting) pkg.mExtras; 11793 if (ps != null) { 11794 removePackageLI(ps, chatty); 11795 } 11796 // Remove the child package setting 11797 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 11798 for (int i = 0; i < childCount; i++) { 11799 PackageParser.Package childPkg = pkg.childPackages.get(i); 11800 ps = (PackageSetting) childPkg.mExtras; 11801 if (ps != null) { 11802 removePackageLI(ps, chatty); 11803 } 11804 } 11805 } 11806 11807 void removePackageLI(PackageSetting ps, boolean chatty) { 11808 if (DEBUG_INSTALL) { 11809 if (chatty) 11810 Log.d(TAG, "Removing package " + ps.name); 11811 } 11812 11813 // writer 11814 synchronized (mPackages) { 11815 mPackages.remove(ps.name); 11816 final PackageParser.Package pkg = ps.pkg; 11817 if (pkg != null) { 11818 cleanPackageDataStructuresLILPw(pkg, chatty); 11819 } 11820 } 11821 } 11822 11823 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 11824 if (DEBUG_INSTALL) { 11825 if (chatty) 11826 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 11827 } 11828 11829 // writer 11830 synchronized (mPackages) { 11831 // Remove the parent package 11832 mPackages.remove(pkg.applicationInfo.packageName); 11833 cleanPackageDataStructuresLILPw(pkg, chatty); 11834 11835 // Remove the child packages 11836 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 11837 for (int i = 0; i < childCount; i++) { 11838 PackageParser.Package childPkg = pkg.childPackages.get(i); 11839 mPackages.remove(childPkg.applicationInfo.packageName); 11840 cleanPackageDataStructuresLILPw(childPkg, chatty); 11841 } 11842 } 11843 } 11844 11845 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 11846 int N = pkg.providers.size(); 11847 StringBuilder r = null; 11848 int i; 11849 for (i=0; i<N; i++) { 11850 PackageParser.Provider p = pkg.providers.get(i); 11851 mProviders.removeProvider(p); 11852 if (p.info.authority == null) { 11853 11854 /* There was another ContentProvider with this authority when 11855 * this app was installed so this authority is null, 11856 * Ignore it as we don't have to unregister the provider. 11857 */ 11858 continue; 11859 } 11860 String names[] = p.info.authority.split(";"); 11861 for (int j = 0; j < names.length; j++) { 11862 if (mProvidersByAuthority.get(names[j]) == p) { 11863 mProvidersByAuthority.remove(names[j]); 11864 if (DEBUG_REMOVE) { 11865 if (chatty) 11866 Log.d(TAG, "Unregistered content provider: " + names[j] 11867 + ", className = " + p.info.name + ", isSyncable = " 11868 + p.info.isSyncable); 11869 } 11870 } 11871 } 11872 if (DEBUG_REMOVE && chatty) { 11873 if (r == null) { 11874 r = new StringBuilder(256); 11875 } else { 11876 r.append(' '); 11877 } 11878 r.append(p.info.name); 11879 } 11880 } 11881 if (r != null) { 11882 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 11883 } 11884 11885 N = pkg.services.size(); 11886 r = null; 11887 for (i=0; i<N; i++) { 11888 PackageParser.Service s = pkg.services.get(i); 11889 mServices.removeService(s); 11890 if (chatty) { 11891 if (r == null) { 11892 r = new StringBuilder(256); 11893 } else { 11894 r.append(' '); 11895 } 11896 r.append(s.info.name); 11897 } 11898 } 11899 if (r != null) { 11900 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 11901 } 11902 11903 N = pkg.receivers.size(); 11904 r = null; 11905 for (i=0; i<N; i++) { 11906 PackageParser.Activity a = pkg.receivers.get(i); 11907 mReceivers.removeActivity(a, "receiver"); 11908 if (DEBUG_REMOVE && chatty) { 11909 if (r == null) { 11910 r = new StringBuilder(256); 11911 } else { 11912 r.append(' '); 11913 } 11914 r.append(a.info.name); 11915 } 11916 } 11917 if (r != null) { 11918 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 11919 } 11920 11921 N = pkg.activities.size(); 11922 r = null; 11923 for (i=0; i<N; i++) { 11924 PackageParser.Activity a = pkg.activities.get(i); 11925 mActivities.removeActivity(a, "activity"); 11926 if (DEBUG_REMOVE && chatty) { 11927 if (r == null) { 11928 r = new StringBuilder(256); 11929 } else { 11930 r.append(' '); 11931 } 11932 r.append(a.info.name); 11933 } 11934 } 11935 if (r != null) { 11936 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 11937 } 11938 11939 N = pkg.permissions.size(); 11940 r = null; 11941 for (i=0; i<N; i++) { 11942 PackageParser.Permission p = pkg.permissions.get(i); 11943 BasePermission bp = mSettings.mPermissions.get(p.info.name); 11944 if (bp == null) { 11945 bp = mSettings.mPermissionTrees.get(p.info.name); 11946 } 11947 if (bp != null && bp.perm == p) { 11948 bp.perm = null; 11949 if (DEBUG_REMOVE && chatty) { 11950 if (r == null) { 11951 r = new StringBuilder(256); 11952 } else { 11953 r.append(' '); 11954 } 11955 r.append(p.info.name); 11956 } 11957 } 11958 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 11959 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 11960 if (appOpPkgs != null) { 11961 appOpPkgs.remove(pkg.packageName); 11962 } 11963 } 11964 } 11965 if (r != null) { 11966 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 11967 } 11968 11969 N = pkg.requestedPermissions.size(); 11970 r = null; 11971 for (i=0; i<N; i++) { 11972 String perm = pkg.requestedPermissions.get(i); 11973 BasePermission bp = mSettings.mPermissions.get(perm); 11974 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 11975 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 11976 if (appOpPkgs != null) { 11977 appOpPkgs.remove(pkg.packageName); 11978 if (appOpPkgs.isEmpty()) { 11979 mAppOpPermissionPackages.remove(perm); 11980 } 11981 } 11982 } 11983 } 11984 if (r != null) { 11985 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 11986 } 11987 11988 N = pkg.instrumentation.size(); 11989 r = null; 11990 for (i=0; i<N; i++) { 11991 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 11992 mInstrumentation.remove(a.getComponentName()); 11993 if (DEBUG_REMOVE && chatty) { 11994 if (r == null) { 11995 r = new StringBuilder(256); 11996 } else { 11997 r.append(' '); 11998 } 11999 r.append(a.info.name); 12000 } 12001 } 12002 if (r != null) { 12003 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 12004 } 12005 12006 r = null; 12007 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 12008 // Only system apps can hold shared libraries. 12009 if (pkg.libraryNames != null) { 12010 for (i = 0; i < pkg.libraryNames.size(); i++) { 12011 String name = pkg.libraryNames.get(i); 12012 if (removeSharedLibraryLPw(name, 0)) { 12013 if (DEBUG_REMOVE && chatty) { 12014 if (r == null) { 12015 r = new StringBuilder(256); 12016 } else { 12017 r.append(' '); 12018 } 12019 r.append(name); 12020 } 12021 } 12022 } 12023 } 12024 } 12025 12026 r = null; 12027 12028 // Any package can hold static shared libraries. 12029 if (pkg.staticSharedLibName != null) { 12030 if (removeSharedLibraryLPw(pkg.staticSharedLibName, pkg.staticSharedLibVersion)) { 12031 if (DEBUG_REMOVE && chatty) { 12032 if (r == null) { 12033 r = new StringBuilder(256); 12034 } else { 12035 r.append(' '); 12036 } 12037 r.append(pkg.staticSharedLibName); 12038 } 12039 } 12040 } 12041 12042 if (r != null) { 12043 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 12044 } 12045 } 12046 12047 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 12048 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 12049 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 12050 return true; 12051 } 12052 } 12053 return false; 12054 } 12055 12056 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 12057 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 12058 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 12059 12060 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 12061 // Update the parent permissions 12062 updatePermissionsLPw(pkg.packageName, pkg, flags); 12063 // Update the child permissions 12064 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 12065 for (int i = 0; i < childCount; i++) { 12066 PackageParser.Package childPkg = pkg.childPackages.get(i); 12067 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 12068 } 12069 } 12070 12071 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 12072 int flags) { 12073 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 12074 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 12075 } 12076 12077 private void updatePermissionsLPw(String changingPkg, 12078 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 12079 // Make sure there are no dangling permission trees. 12080 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 12081 while (it.hasNext()) { 12082 final BasePermission bp = it.next(); 12083 if (bp.packageSetting == null) { 12084 // We may not yet have parsed the package, so just see if 12085 // we still know about its settings. 12086 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 12087 } 12088 if (bp.packageSetting == null) { 12089 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 12090 + " from package " + bp.sourcePackage); 12091 it.remove(); 12092 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 12093 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 12094 Slog.i(TAG, "Removing old permission tree: " + bp.name 12095 + " from package " + bp.sourcePackage); 12096 flags |= UPDATE_PERMISSIONS_ALL; 12097 it.remove(); 12098 } 12099 } 12100 } 12101 12102 // Make sure all dynamic permissions have been assigned to a package, 12103 // and make sure there are no dangling permissions. 12104 it = mSettings.mPermissions.values().iterator(); 12105 while (it.hasNext()) { 12106 final BasePermission bp = it.next(); 12107 if (bp.type == BasePermission.TYPE_DYNAMIC) { 12108 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 12109 + bp.name + " pkg=" + bp.sourcePackage 12110 + " info=" + bp.pendingInfo); 12111 if (bp.packageSetting == null && bp.pendingInfo != null) { 12112 final BasePermission tree = findPermissionTreeLP(bp.name); 12113 if (tree != null && tree.perm != null) { 12114 bp.packageSetting = tree.packageSetting; 12115 bp.perm = new PackageParser.Permission(tree.perm.owner, 12116 new PermissionInfo(bp.pendingInfo)); 12117 bp.perm.info.packageName = tree.perm.info.packageName; 12118 bp.perm.info.name = bp.name; 12119 bp.uid = tree.uid; 12120 } 12121 } 12122 } 12123 if (bp.packageSetting == null) { 12124 // We may not yet have parsed the package, so just see if 12125 // we still know about its settings. 12126 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 12127 } 12128 if (bp.packageSetting == null) { 12129 Slog.w(TAG, "Removing dangling permission: " + bp.name 12130 + " from package " + bp.sourcePackage); 12131 it.remove(); 12132 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 12133 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 12134 Slog.i(TAG, "Removing old permission: " + bp.name 12135 + " from package " + bp.sourcePackage); 12136 flags |= UPDATE_PERMISSIONS_ALL; 12137 it.remove(); 12138 } 12139 } 12140 } 12141 12142 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 12143 // Now update the permissions for all packages, in particular 12144 // replace the granted permissions of the system packages. 12145 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 12146 for (PackageParser.Package pkg : mPackages.values()) { 12147 if (pkg != pkgInfo) { 12148 // Only replace for packages on requested volume 12149 final String volumeUuid = getVolumeUuidForPackage(pkg); 12150 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 12151 && Objects.equals(replaceVolumeUuid, volumeUuid); 12152 grantPermissionsLPw(pkg, replace, changingPkg); 12153 } 12154 } 12155 } 12156 12157 if (pkgInfo != null) { 12158 // Only replace for packages on requested volume 12159 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 12160 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 12161 && Objects.equals(replaceVolumeUuid, volumeUuid); 12162 grantPermissionsLPw(pkgInfo, replace, changingPkg); 12163 } 12164 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12165 } 12166 12167 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 12168 String packageOfInterest) { 12169 // IMPORTANT: There are two types of permissions: install and runtime. 12170 // Install time permissions are granted when the app is installed to 12171 // all device users and users added in the future. Runtime permissions 12172 // are granted at runtime explicitly to specific users. Normal and signature 12173 // protected permissions are install time permissions. Dangerous permissions 12174 // are install permissions if the app's target SDK is Lollipop MR1 or older, 12175 // otherwise they are runtime permissions. This function does not manage 12176 // runtime permissions except for the case an app targeting Lollipop MR1 12177 // being upgraded to target a newer SDK, in which case dangerous permissions 12178 // are transformed from install time to runtime ones. 12179 12180 final PackageSetting ps = (PackageSetting) pkg.mExtras; 12181 if (ps == null) { 12182 return; 12183 } 12184 12185 PermissionsState permissionsState = ps.getPermissionsState(); 12186 PermissionsState origPermissions = permissionsState; 12187 12188 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 12189 12190 boolean runtimePermissionsRevoked = false; 12191 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 12192 12193 boolean changedInstallPermission = false; 12194 12195 if (replace) { 12196 ps.installPermissionsFixed = false; 12197 if (!ps.isSharedUser()) { 12198 origPermissions = new PermissionsState(permissionsState); 12199 permissionsState.reset(); 12200 } else { 12201 // We need to know only about runtime permission changes since the 12202 // calling code always writes the install permissions state but 12203 // the runtime ones are written only if changed. The only cases of 12204 // changed runtime permissions here are promotion of an install to 12205 // runtime and revocation of a runtime from a shared user. 12206 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 12207 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 12208 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 12209 runtimePermissionsRevoked = true; 12210 } 12211 } 12212 } 12213 12214 permissionsState.setGlobalGids(mGlobalGids); 12215 12216 final int N = pkg.requestedPermissions.size(); 12217 for (int i=0; i<N; i++) { 12218 final String name = pkg.requestedPermissions.get(i); 12219 final BasePermission bp = mSettings.mPermissions.get(name); 12220 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 12221 >= Build.VERSION_CODES.M; 12222 12223 if (DEBUG_INSTALL) { 12224 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 12225 } 12226 12227 if (bp == null || bp.packageSetting == null) { 12228 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 12229 if (DEBUG_PERMISSIONS) { 12230 Slog.i(TAG, "Unknown permission " + name 12231 + " in package " + pkg.packageName); 12232 } 12233 } 12234 continue; 12235 } 12236 12237 12238 // Limit ephemeral apps to ephemeral allowed permissions. 12239 if (pkg.applicationInfo.isInstantApp() && !bp.isInstant()) { 12240 if (DEBUG_PERMISSIONS) { 12241 Log.i(TAG, "Denying non-ephemeral permission " + bp.name + " for package " 12242 + pkg.packageName); 12243 } 12244 continue; 12245 } 12246 12247 if (bp.isRuntimeOnly() && !appSupportsRuntimePermissions) { 12248 if (DEBUG_PERMISSIONS) { 12249 Log.i(TAG, "Denying runtime-only permission " + bp.name + " for package " 12250 + pkg.packageName); 12251 } 12252 continue; 12253 } 12254 12255 final String perm = bp.name; 12256 boolean allowedSig = false; 12257 int grant = GRANT_DENIED; 12258 12259 // Keep track of app op permissions. 12260 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 12261 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 12262 if (pkgs == null) { 12263 pkgs = new ArraySet<>(); 12264 mAppOpPermissionPackages.put(bp.name, pkgs); 12265 } 12266 pkgs.add(pkg.packageName); 12267 } 12268 12269 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 12270 switch (level) { 12271 case PermissionInfo.PROTECTION_NORMAL: { 12272 // For all apps normal permissions are install time ones. 12273 grant = GRANT_INSTALL; 12274 } break; 12275 12276 case PermissionInfo.PROTECTION_DANGEROUS: { 12277 // If a permission review is required for legacy apps we represent 12278 // their permissions as always granted runtime ones since we need 12279 // to keep the review required permission flag per user while an 12280 // install permission's state is shared across all users. 12281 if (!appSupportsRuntimePermissions && !mPermissionReviewRequired) { 12282 // For legacy apps dangerous permissions are install time ones. 12283 grant = GRANT_INSTALL; 12284 } else if (origPermissions.hasInstallPermission(bp.name)) { 12285 // For legacy apps that became modern, install becomes runtime. 12286 grant = GRANT_UPGRADE; 12287 } else if (mPromoteSystemApps 12288 && isSystemApp(ps) 12289 && mExistingSystemPackages.contains(ps.name)) { 12290 // For legacy system apps, install becomes runtime. 12291 // We cannot check hasInstallPermission() for system apps since those 12292 // permissions were granted implicitly and not persisted pre-M. 12293 grant = GRANT_UPGRADE; 12294 } else { 12295 // For modern apps keep runtime permissions unchanged. 12296 grant = GRANT_RUNTIME; 12297 } 12298 } break; 12299 12300 case PermissionInfo.PROTECTION_SIGNATURE: { 12301 // For all apps signature permissions are install time ones. 12302 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 12303 if (allowedSig) { 12304 grant = GRANT_INSTALL; 12305 } 12306 } break; 12307 } 12308 12309 if (DEBUG_PERMISSIONS) { 12310 Slog.i(TAG, "Granting permission " + perm + " to package " + pkg.packageName); 12311 } 12312 12313 if (grant != GRANT_DENIED) { 12314 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 12315 // If this is an existing, non-system package, then 12316 // we can't add any new permissions to it. 12317 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 12318 // Except... if this is a permission that was added 12319 // to the platform (note: need to only do this when 12320 // updating the platform). 12321 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 12322 grant = GRANT_DENIED; 12323 } 12324 } 12325 } 12326 12327 switch (grant) { 12328 case GRANT_INSTALL: { 12329 // Revoke this as runtime permission to handle the case of 12330 // a runtime permission being downgraded to an install one. 12331 // Also in permission review mode we keep dangerous permissions 12332 // for legacy apps 12333 for (int userId : UserManagerService.getInstance().getUserIds()) { 12334 if (origPermissions.getRuntimePermissionState( 12335 bp.name, userId) != null) { 12336 // Revoke the runtime permission and clear the flags. 12337 origPermissions.revokeRuntimePermission(bp, userId); 12338 origPermissions.updatePermissionFlags(bp, userId, 12339 PackageManager.MASK_PERMISSION_FLAGS, 0); 12340 // If we revoked a permission permission, we have to write. 12341 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 12342 changedRuntimePermissionUserIds, userId); 12343 } 12344 } 12345 // Grant an install permission. 12346 if (permissionsState.grantInstallPermission(bp) != 12347 PermissionsState.PERMISSION_OPERATION_FAILURE) { 12348 changedInstallPermission = true; 12349 } 12350 } break; 12351 12352 case GRANT_RUNTIME: { 12353 // Grant previously granted runtime permissions. 12354 for (int userId : UserManagerService.getInstance().getUserIds()) { 12355 PermissionState permissionState = origPermissions 12356 .getRuntimePermissionState(bp.name, userId); 12357 int flags = permissionState != null 12358 ? permissionState.getFlags() : 0; 12359 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 12360 // Don't propagate the permission in a permission review mode if 12361 // the former was revoked, i.e. marked to not propagate on upgrade. 12362 // Note that in a permission review mode install permissions are 12363 // represented as constantly granted runtime ones since we need to 12364 // keep a per user state associated with the permission. Also the 12365 // revoke on upgrade flag is no longer applicable and is reset. 12366 final boolean revokeOnUpgrade = (flags & PackageManager 12367 .FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 12368 if (revokeOnUpgrade) { 12369 flags &= ~PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 12370 // Since we changed the flags, we have to write. 12371 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 12372 changedRuntimePermissionUserIds, userId); 12373 } 12374 if (!mPermissionReviewRequired || !revokeOnUpgrade) { 12375 if (permissionsState.grantRuntimePermission(bp, userId) == 12376 PermissionsState.PERMISSION_OPERATION_FAILURE) { 12377 // If we cannot put the permission as it was, 12378 // we have to write. 12379 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 12380 changedRuntimePermissionUserIds, userId); 12381 } 12382 } 12383 12384 // If the app supports runtime permissions no need for a review. 12385 if (mPermissionReviewRequired 12386 && appSupportsRuntimePermissions 12387 && (flags & PackageManager 12388 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 12389 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 12390 // Since we changed the flags, we have to write. 12391 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 12392 changedRuntimePermissionUserIds, userId); 12393 } 12394 } else if (mPermissionReviewRequired 12395 && !appSupportsRuntimePermissions) { 12396 // For legacy apps that need a permission review, every new 12397 // runtime permission is granted but it is pending a review. 12398 // We also need to review only platform defined runtime 12399 // permissions as these are the only ones the platform knows 12400 // how to disable the API to simulate revocation as legacy 12401 // apps don't expect to run with revoked permissions. 12402 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 12403 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 12404 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 12405 // We changed the flags, hence have to write. 12406 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 12407 changedRuntimePermissionUserIds, userId); 12408 } 12409 } 12410 if (permissionsState.grantRuntimePermission(bp, userId) 12411 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 12412 // We changed the permission, hence have to write. 12413 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 12414 changedRuntimePermissionUserIds, userId); 12415 } 12416 } 12417 // Propagate the permission flags. 12418 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 12419 } 12420 } break; 12421 12422 case GRANT_UPGRADE: { 12423 // Grant runtime permissions for a previously held install permission. 12424 PermissionState permissionState = origPermissions 12425 .getInstallPermissionState(bp.name); 12426 final int flags = permissionState != null ? permissionState.getFlags() : 0; 12427 12428 if (origPermissions.revokeInstallPermission(bp) 12429 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 12430 // We will be transferring the permission flags, so clear them. 12431 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 12432 PackageManager.MASK_PERMISSION_FLAGS, 0); 12433 changedInstallPermission = true; 12434 } 12435 12436 // If the permission is not to be promoted to runtime we ignore it and 12437 // also its other flags as they are not applicable to install permissions. 12438 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 12439 for (int userId : currentUserIds) { 12440 if (permissionsState.grantRuntimePermission(bp, userId) != 12441 PermissionsState.PERMISSION_OPERATION_FAILURE) { 12442 // Transfer the permission flags. 12443 permissionsState.updatePermissionFlags(bp, userId, 12444 flags, flags); 12445 // If we granted the permission, we have to write. 12446 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 12447 changedRuntimePermissionUserIds, userId); 12448 } 12449 } 12450 } 12451 } break; 12452 12453 default: { 12454 if (packageOfInterest == null 12455 || packageOfInterest.equals(pkg.packageName)) { 12456 if (DEBUG_PERMISSIONS) { 12457 Slog.i(TAG, "Not granting permission " + perm 12458 + " to package " + pkg.packageName 12459 + " because it was previously installed without"); 12460 } 12461 } 12462 } break; 12463 } 12464 } else { 12465 if (permissionsState.revokeInstallPermission(bp) != 12466 PermissionsState.PERMISSION_OPERATION_FAILURE) { 12467 // Also drop the permission flags. 12468 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 12469 PackageManager.MASK_PERMISSION_FLAGS, 0); 12470 changedInstallPermission = true; 12471 Slog.i(TAG, "Un-granting permission " + perm 12472 + " from package " + pkg.packageName 12473 + " (protectionLevel=" + bp.protectionLevel 12474 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 12475 + ")"); 12476 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 12477 // Don't print warning for app op permissions, since it is fine for them 12478 // not to be granted, there is a UI for the user to decide. 12479 if (DEBUG_PERMISSIONS 12480 && (packageOfInterest == null 12481 || packageOfInterest.equals(pkg.packageName))) { 12482 Slog.i(TAG, "Not granting permission " + perm 12483 + " to package " + pkg.packageName 12484 + " (protectionLevel=" + bp.protectionLevel 12485 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 12486 + ")"); 12487 } 12488 } 12489 } 12490 } 12491 12492 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 12493 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 12494 // This is the first that we have heard about this package, so the 12495 // permissions we have now selected are fixed until explicitly 12496 // changed. 12497 ps.installPermissionsFixed = true; 12498 } 12499 12500 // Persist the runtime permissions state for users with changes. If permissions 12501 // were revoked because no app in the shared user declares them we have to 12502 // write synchronously to avoid losing runtime permissions state. 12503 for (int userId : changedRuntimePermissionUserIds) { 12504 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 12505 } 12506 } 12507 12508 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 12509 boolean allowed = false; 12510 final int NP = PackageParser.NEW_PERMISSIONS.length; 12511 for (int ip=0; ip<NP; ip++) { 12512 final PackageParser.NewPermissionInfo npi 12513 = PackageParser.NEW_PERMISSIONS[ip]; 12514 if (npi.name.equals(perm) 12515 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 12516 allowed = true; 12517 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 12518 + pkg.packageName); 12519 break; 12520 } 12521 } 12522 return allowed; 12523 } 12524 12525 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 12526 BasePermission bp, PermissionsState origPermissions) { 12527 boolean privilegedPermission = (bp.protectionLevel 12528 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0; 12529 boolean privappPermissionsDisable = 12530 RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_DISABLE; 12531 boolean platformPermission = PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage); 12532 boolean platformPackage = PLATFORM_PACKAGE_NAME.equals(pkg.packageName); 12533 if (!privappPermissionsDisable && privilegedPermission && pkg.isPrivilegedApp() 12534 && !platformPackage && platformPermission) { 12535 ArraySet<String> wlPermissions = SystemConfig.getInstance() 12536 .getPrivAppPermissions(pkg.packageName); 12537 boolean whitelisted = wlPermissions != null && wlPermissions.contains(perm); 12538 if (!whitelisted) { 12539 Slog.w(TAG, "Privileged permission " + perm + " for package " 12540 + pkg.packageName + " - not in privapp-permissions whitelist"); 12541 // Only report violations for apps on system image 12542 if (!mSystemReady && !pkg.isUpdatedSystemApp()) { 12543 if (mPrivappPermissionsViolations == null) { 12544 mPrivappPermissionsViolations = new ArraySet<>(); 12545 } 12546 mPrivappPermissionsViolations.add(pkg.packageName + ": " + perm); 12547 } 12548 if (RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_ENFORCE) { 12549 return false; 12550 } 12551 } 12552 } 12553 boolean allowed = (compareSignatures( 12554 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 12555 == PackageManager.SIGNATURE_MATCH) 12556 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 12557 == PackageManager.SIGNATURE_MATCH); 12558 if (!allowed && privilegedPermission) { 12559 if (isSystemApp(pkg)) { 12560 // For updated system applications, a system permission 12561 // is granted only if it had been defined by the original application. 12562 if (pkg.isUpdatedSystemApp()) { 12563 final PackageSetting sysPs = mSettings 12564 .getDisabledSystemPkgLPr(pkg.packageName); 12565 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 12566 // If the original was granted this permission, we take 12567 // that grant decision as read and propagate it to the 12568 // update. 12569 if (sysPs.isPrivileged()) { 12570 allowed = true; 12571 } 12572 } else { 12573 // The system apk may have been updated with an older 12574 // version of the one on the data partition, but which 12575 // granted a new system permission that it didn't have 12576 // before. In this case we do want to allow the app to 12577 // now get the new permission if the ancestral apk is 12578 // privileged to get it. 12579 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 12580 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 12581 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 12582 allowed = true; 12583 break; 12584 } 12585 } 12586 } 12587 // Also if a privileged parent package on the system image or any of 12588 // its children requested a privileged permission, the updated child 12589 // packages can also get the permission. 12590 if (pkg.parentPackage != null) { 12591 final PackageSetting disabledSysParentPs = mSettings 12592 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 12593 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 12594 && disabledSysParentPs.isPrivileged()) { 12595 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 12596 allowed = true; 12597 } else if (disabledSysParentPs.pkg.childPackages != null) { 12598 final int count = disabledSysParentPs.pkg.childPackages.size(); 12599 for (int i = 0; i < count; i++) { 12600 PackageParser.Package disabledSysChildPkg = 12601 disabledSysParentPs.pkg.childPackages.get(i); 12602 if (isPackageRequestingPermission(disabledSysChildPkg, 12603 perm)) { 12604 allowed = true; 12605 break; 12606 } 12607 } 12608 } 12609 } 12610 } 12611 } 12612 } else { 12613 allowed = isPrivilegedApp(pkg); 12614 } 12615 } 12616 } 12617 if (!allowed) { 12618 if (!allowed && (bp.protectionLevel 12619 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 12620 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 12621 // If this was a previously normal/dangerous permission that got moved 12622 // to a system permission as part of the runtime permission redesign, then 12623 // we still want to blindly grant it to old apps. 12624 allowed = true; 12625 } 12626 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 12627 && pkg.packageName.equals(mRequiredInstallerPackage)) { 12628 // If this permission is to be granted to the system installer and 12629 // this app is an installer, then it gets the permission. 12630 allowed = true; 12631 } 12632 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 12633 && pkg.packageName.equals(mRequiredVerifierPackage)) { 12634 // If this permission is to be granted to the system verifier and 12635 // this app is a verifier, then it gets the permission. 12636 allowed = true; 12637 } 12638 if (!allowed && (bp.protectionLevel 12639 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 12640 && isSystemApp(pkg)) { 12641 // Any pre-installed system app is allowed to get this permission. 12642 allowed = true; 12643 } 12644 if (!allowed && (bp.protectionLevel 12645 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 12646 // For development permissions, a development permission 12647 // is granted only if it was already granted. 12648 allowed = origPermissions.hasInstallPermission(perm); 12649 } 12650 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 12651 && pkg.packageName.equals(mSetupWizardPackage)) { 12652 // If this permission is to be granted to the system setup wizard and 12653 // this app is a setup wizard, then it gets the permission. 12654 allowed = true; 12655 } 12656 } 12657 return allowed; 12658 } 12659 12660 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 12661 final int permCount = pkg.requestedPermissions.size(); 12662 for (int j = 0; j < permCount; j++) { 12663 String requestedPermission = pkg.requestedPermissions.get(j); 12664 if (permission.equals(requestedPermission)) { 12665 return true; 12666 } 12667 } 12668 return false; 12669 } 12670 12671 final class ActivityIntentResolver 12672 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 12673 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 12674 boolean defaultOnly, int userId) { 12675 if (!sUserManager.exists(userId)) return null; 12676 mFlags = (defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0); 12677 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 12678 } 12679 12680 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 12681 int userId) { 12682 if (!sUserManager.exists(userId)) return null; 12683 mFlags = flags; 12684 return super.queryIntent(intent, resolvedType, 12685 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 12686 userId); 12687 } 12688 12689 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 12690 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 12691 if (!sUserManager.exists(userId)) return null; 12692 if (packageActivities == null) { 12693 return null; 12694 } 12695 mFlags = flags; 12696 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 12697 final int N = packageActivities.size(); 12698 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 12699 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 12700 12701 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 12702 for (int i = 0; i < N; ++i) { 12703 intentFilters = packageActivities.get(i).intents; 12704 if (intentFilters != null && intentFilters.size() > 0) { 12705 PackageParser.ActivityIntentInfo[] array = 12706 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 12707 intentFilters.toArray(array); 12708 listCut.add(array); 12709 } 12710 } 12711 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 12712 } 12713 12714 /** 12715 * Finds a privileged activity that matches the specified activity names. 12716 */ 12717 private PackageParser.Activity findMatchingActivity( 12718 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 12719 for (PackageParser.Activity sysActivity : activityList) { 12720 if (sysActivity.info.name.equals(activityInfo.name)) { 12721 return sysActivity; 12722 } 12723 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 12724 return sysActivity; 12725 } 12726 if (sysActivity.info.targetActivity != null) { 12727 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 12728 return sysActivity; 12729 } 12730 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 12731 return sysActivity; 12732 } 12733 } 12734 } 12735 return null; 12736 } 12737 12738 public class IterGenerator<E> { 12739 public Iterator<E> generate(ActivityIntentInfo info) { 12740 return null; 12741 } 12742 } 12743 12744 public class ActionIterGenerator extends IterGenerator<String> { 12745 @Override 12746 public Iterator<String> generate(ActivityIntentInfo info) { 12747 return info.actionsIterator(); 12748 } 12749 } 12750 12751 public class CategoriesIterGenerator extends IterGenerator<String> { 12752 @Override 12753 public Iterator<String> generate(ActivityIntentInfo info) { 12754 return info.categoriesIterator(); 12755 } 12756 } 12757 12758 public class SchemesIterGenerator extends IterGenerator<String> { 12759 @Override 12760 public Iterator<String> generate(ActivityIntentInfo info) { 12761 return info.schemesIterator(); 12762 } 12763 } 12764 12765 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 12766 @Override 12767 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 12768 return info.authoritiesIterator(); 12769 } 12770 } 12771 12772 /** 12773 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 12774 * MODIFIED. Do not pass in a list that should not be changed. 12775 */ 12776 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 12777 IterGenerator<T> generator, Iterator<T> searchIterator) { 12778 // loop through the set of actions; every one must be found in the intent filter 12779 while (searchIterator.hasNext()) { 12780 // we must have at least one filter in the list to consider a match 12781 if (intentList.size() == 0) { 12782 break; 12783 } 12784 12785 final T searchAction = searchIterator.next(); 12786 12787 // loop through the set of intent filters 12788 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 12789 while (intentIter.hasNext()) { 12790 final ActivityIntentInfo intentInfo = intentIter.next(); 12791 boolean selectionFound = false; 12792 12793 // loop through the intent filter's selection criteria; at least one 12794 // of them must match the searched criteria 12795 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 12796 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 12797 final T intentSelection = intentSelectionIter.next(); 12798 if (intentSelection != null && intentSelection.equals(searchAction)) { 12799 selectionFound = true; 12800 break; 12801 } 12802 } 12803 12804 // the selection criteria wasn't found in this filter's set; this filter 12805 // is not a potential match 12806 if (!selectionFound) { 12807 intentIter.remove(); 12808 } 12809 } 12810 } 12811 } 12812 12813 private boolean isProtectedAction(ActivityIntentInfo filter) { 12814 final Iterator<String> actionsIter = filter.actionsIterator(); 12815 while (actionsIter != null && actionsIter.hasNext()) { 12816 final String filterAction = actionsIter.next(); 12817 if (PROTECTED_ACTIONS.contains(filterAction)) { 12818 return true; 12819 } 12820 } 12821 return false; 12822 } 12823 12824 /** 12825 * Adjusts the priority of the given intent filter according to policy. 12826 * <p> 12827 * <ul> 12828 * <li>The priority for non privileged applications is capped to '0'</li> 12829 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 12830 * <li>The priority for unbundled updates to privileged applications is capped to the 12831 * priority defined on the system partition</li> 12832 * </ul> 12833 * <p> 12834 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 12835 * allowed to obtain any priority on any action. 12836 */ 12837 private void adjustPriority( 12838 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 12839 // nothing to do; priority is fine as-is 12840 if (intent.getPriority() <= 0) { 12841 return; 12842 } 12843 12844 final ActivityInfo activityInfo = intent.activity.info; 12845 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 12846 12847 final boolean privilegedApp = 12848 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 12849 if (!privilegedApp) { 12850 // non-privileged applications can never define a priority >0 12851 if (DEBUG_FILTERS) { 12852 Slog.i(TAG, "Non-privileged app; cap priority to 0;" 12853 + " package: " + applicationInfo.packageName 12854 + " activity: " + intent.activity.className 12855 + " origPrio: " + intent.getPriority()); 12856 } 12857 intent.setPriority(0); 12858 return; 12859 } 12860 12861 if (systemActivities == null) { 12862 // the system package is not disabled; we're parsing the system partition 12863 if (isProtectedAction(intent)) { 12864 if (mDeferProtectedFilters) { 12865 // We can't deal with these just yet. No component should ever obtain a 12866 // >0 priority for a protected actions, with ONE exception -- the setup 12867 // wizard. The setup wizard, however, cannot be known until we're able to 12868 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 12869 // until all intent filters have been processed. Chicken, meet egg. 12870 // Let the filter temporarily have a high priority and rectify the 12871 // priorities after all system packages have been scanned. 12872 mProtectedFilters.add(intent); 12873 if (DEBUG_FILTERS) { 12874 Slog.i(TAG, "Protected action; save for later;" 12875 + " package: " + applicationInfo.packageName 12876 + " activity: " + intent.activity.className 12877 + " origPrio: " + intent.getPriority()); 12878 } 12879 return; 12880 } else { 12881 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 12882 Slog.i(TAG, "No setup wizard;" 12883 + " All protected intents capped to priority 0"); 12884 } 12885 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 12886 if (DEBUG_FILTERS) { 12887 Slog.i(TAG, "Found setup wizard;" 12888 + " allow priority " + intent.getPriority() + ";" 12889 + " package: " + intent.activity.info.packageName 12890 + " activity: " + intent.activity.className 12891 + " priority: " + intent.getPriority()); 12892 } 12893 // setup wizard gets whatever it wants 12894 return; 12895 } 12896 if (DEBUG_FILTERS) { 12897 Slog.i(TAG, "Protected action; cap priority to 0;" 12898 + " package: " + intent.activity.info.packageName 12899 + " activity: " + intent.activity.className 12900 + " origPrio: " + intent.getPriority()); 12901 } 12902 intent.setPriority(0); 12903 return; 12904 } 12905 } 12906 // privileged apps on the system image get whatever priority they request 12907 return; 12908 } 12909 12910 // privileged app unbundled update ... try to find the same activity 12911 final PackageParser.Activity foundActivity = 12912 findMatchingActivity(systemActivities, activityInfo); 12913 if (foundActivity == null) { 12914 // this is a new activity; it cannot obtain >0 priority 12915 if (DEBUG_FILTERS) { 12916 Slog.i(TAG, "New activity; cap priority to 0;" 12917 + " package: " + applicationInfo.packageName 12918 + " activity: " + intent.activity.className 12919 + " origPrio: " + intent.getPriority()); 12920 } 12921 intent.setPriority(0); 12922 return; 12923 } 12924 12925 // found activity, now check for filter equivalence 12926 12927 // a shallow copy is enough; we modify the list, not its contents 12928 final List<ActivityIntentInfo> intentListCopy = 12929 new ArrayList<>(foundActivity.intents); 12930 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 12931 12932 // find matching action subsets 12933 final Iterator<String> actionsIterator = intent.actionsIterator(); 12934 if (actionsIterator != null) { 12935 getIntentListSubset( 12936 intentListCopy, new ActionIterGenerator(), actionsIterator); 12937 if (intentListCopy.size() == 0) { 12938 // no more intents to match; we're not equivalent 12939 if (DEBUG_FILTERS) { 12940 Slog.i(TAG, "Mismatched action; cap priority to 0;" 12941 + " package: " + applicationInfo.packageName 12942 + " activity: " + intent.activity.className 12943 + " origPrio: " + intent.getPriority()); 12944 } 12945 intent.setPriority(0); 12946 return; 12947 } 12948 } 12949 12950 // find matching category subsets 12951 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 12952 if (categoriesIterator != null) { 12953 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 12954 categoriesIterator); 12955 if (intentListCopy.size() == 0) { 12956 // no more intents to match; we're not equivalent 12957 if (DEBUG_FILTERS) { 12958 Slog.i(TAG, "Mismatched category; cap priority to 0;" 12959 + " package: " + applicationInfo.packageName 12960 + " activity: " + intent.activity.className 12961 + " origPrio: " + intent.getPriority()); 12962 } 12963 intent.setPriority(0); 12964 return; 12965 } 12966 } 12967 12968 // find matching schemes subsets 12969 final Iterator<String> schemesIterator = intent.schemesIterator(); 12970 if (schemesIterator != null) { 12971 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 12972 schemesIterator); 12973 if (intentListCopy.size() == 0) { 12974 // no more intents to match; we're not equivalent 12975 if (DEBUG_FILTERS) { 12976 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 12977 + " package: " + applicationInfo.packageName 12978 + " activity: " + intent.activity.className 12979 + " origPrio: " + intent.getPriority()); 12980 } 12981 intent.setPriority(0); 12982 return; 12983 } 12984 } 12985 12986 // find matching authorities subsets 12987 final Iterator<IntentFilter.AuthorityEntry> 12988 authoritiesIterator = intent.authoritiesIterator(); 12989 if (authoritiesIterator != null) { 12990 getIntentListSubset(intentListCopy, 12991 new AuthoritiesIterGenerator(), 12992 authoritiesIterator); 12993 if (intentListCopy.size() == 0) { 12994 // no more intents to match; we're not equivalent 12995 if (DEBUG_FILTERS) { 12996 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 12997 + " package: " + applicationInfo.packageName 12998 + " activity: " + intent.activity.className 12999 + " origPrio: " + intent.getPriority()); 13000 } 13001 intent.setPriority(0); 13002 return; 13003 } 13004 } 13005 13006 // we found matching filter(s); app gets the max priority of all intents 13007 int cappedPriority = 0; 13008 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 13009 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 13010 } 13011 if (intent.getPriority() > cappedPriority) { 13012 if (DEBUG_FILTERS) { 13013 Slog.i(TAG, "Found matching filter(s);" 13014 + " cap priority to " + cappedPriority + ";" 13015 + " package: " + applicationInfo.packageName 13016 + " activity: " + intent.activity.className 13017 + " origPrio: " + intent.getPriority()); 13018 } 13019 intent.setPriority(cappedPriority); 13020 return; 13021 } 13022 // all this for nothing; the requested priority was <= what was on the system 13023 } 13024 13025 public final void addActivity(PackageParser.Activity a, String type) { 13026 mActivities.put(a.getComponentName(), a); 13027 if (DEBUG_SHOW_INFO) 13028 Log.v( 13029 TAG, " " + type + " " + 13030 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 13031 if (DEBUG_SHOW_INFO) 13032 Log.v(TAG, " Class=" + a.info.name); 13033 final int NI = a.intents.size(); 13034 for (int j=0; j<NI; j++) { 13035 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 13036 if ("activity".equals(type)) { 13037 final PackageSetting ps = 13038 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 13039 final List<PackageParser.Activity> systemActivities = 13040 ps != null && ps.pkg != null ? ps.pkg.activities : null; 13041 adjustPriority(systemActivities, intent); 13042 } 13043 if (DEBUG_SHOW_INFO) { 13044 Log.v(TAG, " IntentFilter:"); 13045 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 13046 } 13047 if (!intent.debugCheck()) { 13048 Log.w(TAG, "==> For Activity " + a.info.name); 13049 } 13050 addFilter(intent); 13051 } 13052 } 13053 13054 public final void removeActivity(PackageParser.Activity a, String type) { 13055 mActivities.remove(a.getComponentName()); 13056 if (DEBUG_SHOW_INFO) { 13057 Log.v(TAG, " " + type + " " 13058 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 13059 : a.info.name) + ":"); 13060 Log.v(TAG, " Class=" + a.info.name); 13061 } 13062 final int NI = a.intents.size(); 13063 for (int j=0; j<NI; j++) { 13064 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 13065 if (DEBUG_SHOW_INFO) { 13066 Log.v(TAG, " IntentFilter:"); 13067 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 13068 } 13069 removeFilter(intent); 13070 } 13071 } 13072 13073 @Override 13074 protected boolean allowFilterResult( 13075 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 13076 ActivityInfo filterAi = filter.activity.info; 13077 for (int i=dest.size()-1; i>=0; i--) { 13078 ActivityInfo destAi = dest.get(i).activityInfo; 13079 if (destAi.name == filterAi.name 13080 && destAi.packageName == filterAi.packageName) { 13081 return false; 13082 } 13083 } 13084 return true; 13085 } 13086 13087 @Override 13088 protected ActivityIntentInfo[] newArray(int size) { 13089 return new ActivityIntentInfo[size]; 13090 } 13091 13092 @Override 13093 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 13094 if (!sUserManager.exists(userId)) return true; 13095 PackageParser.Package p = filter.activity.owner; 13096 if (p != null) { 13097 PackageSetting ps = (PackageSetting)p.mExtras; 13098 if (ps != null) { 13099 // System apps are never considered stopped for purposes of 13100 // filtering, because there may be no way for the user to 13101 // actually re-launch them. 13102 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 13103 && ps.getStopped(userId); 13104 } 13105 } 13106 return false; 13107 } 13108 13109 @Override 13110 protected boolean isPackageForFilter(String packageName, 13111 PackageParser.ActivityIntentInfo info) { 13112 return packageName.equals(info.activity.owner.packageName); 13113 } 13114 13115 @Override 13116 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 13117 int match, int userId) { 13118 if (!sUserManager.exists(userId)) return null; 13119 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 13120 return null; 13121 } 13122 final PackageParser.Activity activity = info.activity; 13123 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 13124 if (ps == null) { 13125 return null; 13126 } 13127 final PackageUserState userState = ps.readUserState(userId); 13128 ActivityInfo ai = generateActivityInfo(activity, mFlags, userState, userId); 13129 if (ai == null) { 13130 return null; 13131 } 13132 final boolean matchExplicitlyVisibleOnly = 13133 (mFlags & PackageManager.MATCH_EXPLICITLY_VISIBLE_ONLY) != 0; 13134 final boolean matchVisibleToInstantApp = 13135 (mFlags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 13136 final boolean componentVisible = 13137 matchVisibleToInstantApp 13138 && info.isVisibleToInstantApp() 13139 && (!matchExplicitlyVisibleOnly || info.isExplicitlyVisibleToInstantApp()); 13140 final boolean matchInstantApp = (mFlags & PackageManager.MATCH_INSTANT) != 0; 13141 // throw out filters that aren't visible to ephemeral apps 13142 if (matchVisibleToInstantApp && !(componentVisible || userState.instantApp)) { 13143 return null; 13144 } 13145 // throw out instant app filters if we're not explicitly requesting them 13146 if (!matchInstantApp && userState.instantApp) { 13147 return null; 13148 } 13149 // throw out instant app filters if updates are available; will trigger 13150 // instant app resolution 13151 if (userState.instantApp && ps.isUpdateAvailable()) { 13152 return null; 13153 } 13154 final ResolveInfo res = new ResolveInfo(); 13155 res.activityInfo = ai; 13156 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 13157 res.filter = info; 13158 } 13159 if (info != null) { 13160 res.handleAllWebDataURI = info.handleAllWebDataURI(); 13161 } 13162 res.priority = info.getPriority(); 13163 res.preferredOrder = activity.owner.mPreferredOrder; 13164 //System.out.println("Result: " + res.activityInfo.className + 13165 // " = " + res.priority); 13166 res.match = match; 13167 res.isDefault = info.hasDefault; 13168 res.labelRes = info.labelRes; 13169 res.nonLocalizedLabel = info.nonLocalizedLabel; 13170 if (userNeedsBadging(userId)) { 13171 res.noResourceId = true; 13172 } else { 13173 res.icon = info.icon; 13174 } 13175 res.iconResourceId = info.icon; 13176 res.system = res.activityInfo.applicationInfo.isSystemApp(); 13177 res.isInstantAppAvailable = userState.instantApp; 13178 return res; 13179 } 13180 13181 @Override 13182 protected void sortResults(List<ResolveInfo> results) { 13183 Collections.sort(results, mResolvePrioritySorter); 13184 } 13185 13186 @Override 13187 protected void dumpFilter(PrintWriter out, String prefix, 13188 PackageParser.ActivityIntentInfo filter) { 13189 out.print(prefix); out.print( 13190 Integer.toHexString(System.identityHashCode(filter.activity))); 13191 out.print(' '); 13192 filter.activity.printComponentShortName(out); 13193 out.print(" filter "); 13194 out.println(Integer.toHexString(System.identityHashCode(filter))); 13195 } 13196 13197 @Override 13198 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 13199 return filter.activity; 13200 } 13201 13202 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 13203 PackageParser.Activity activity = (PackageParser.Activity)label; 13204 out.print(prefix); out.print( 13205 Integer.toHexString(System.identityHashCode(activity))); 13206 out.print(' '); 13207 activity.printComponentShortName(out); 13208 if (count > 1) { 13209 out.print(" ("); out.print(count); out.print(" filters)"); 13210 } 13211 out.println(); 13212 } 13213 13214 // Keys are String (activity class name), values are Activity. 13215 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 13216 = new ArrayMap<ComponentName, PackageParser.Activity>(); 13217 private int mFlags; 13218 } 13219 13220 private final class ServiceIntentResolver 13221 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 13222 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 13223 boolean defaultOnly, int userId) { 13224 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 13225 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 13226 } 13227 13228 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 13229 int userId) { 13230 if (!sUserManager.exists(userId)) return null; 13231 mFlags = flags; 13232 return super.queryIntent(intent, resolvedType, 13233 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 13234 userId); 13235 } 13236 13237 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 13238 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 13239 if (!sUserManager.exists(userId)) return null; 13240 if (packageServices == null) { 13241 return null; 13242 } 13243 mFlags = flags; 13244 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 13245 final int N = packageServices.size(); 13246 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 13247 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 13248 13249 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 13250 for (int i = 0; i < N; ++i) { 13251 intentFilters = packageServices.get(i).intents; 13252 if (intentFilters != null && intentFilters.size() > 0) { 13253 PackageParser.ServiceIntentInfo[] array = 13254 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 13255 intentFilters.toArray(array); 13256 listCut.add(array); 13257 } 13258 } 13259 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 13260 } 13261 13262 public final void addService(PackageParser.Service s) { 13263 mServices.put(s.getComponentName(), s); 13264 if (DEBUG_SHOW_INFO) { 13265 Log.v(TAG, " " 13266 + (s.info.nonLocalizedLabel != null 13267 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 13268 Log.v(TAG, " Class=" + s.info.name); 13269 } 13270 final int NI = s.intents.size(); 13271 int j; 13272 for (j=0; j<NI; j++) { 13273 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 13274 if (DEBUG_SHOW_INFO) { 13275 Log.v(TAG, " IntentFilter:"); 13276 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 13277 } 13278 if (!intent.debugCheck()) { 13279 Log.w(TAG, "==> For Service " + s.info.name); 13280 } 13281 addFilter(intent); 13282 } 13283 } 13284 13285 public final void removeService(PackageParser.Service s) { 13286 mServices.remove(s.getComponentName()); 13287 if (DEBUG_SHOW_INFO) { 13288 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 13289 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 13290 Log.v(TAG, " Class=" + s.info.name); 13291 } 13292 final int NI = s.intents.size(); 13293 int j; 13294 for (j=0; j<NI; j++) { 13295 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 13296 if (DEBUG_SHOW_INFO) { 13297 Log.v(TAG, " IntentFilter:"); 13298 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 13299 } 13300 removeFilter(intent); 13301 } 13302 } 13303 13304 @Override 13305 protected boolean allowFilterResult( 13306 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 13307 ServiceInfo filterSi = filter.service.info; 13308 for (int i=dest.size()-1; i>=0; i--) { 13309 ServiceInfo destAi = dest.get(i).serviceInfo; 13310 if (destAi.name == filterSi.name 13311 && destAi.packageName == filterSi.packageName) { 13312 return false; 13313 } 13314 } 13315 return true; 13316 } 13317 13318 @Override 13319 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 13320 return new PackageParser.ServiceIntentInfo[size]; 13321 } 13322 13323 @Override 13324 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 13325 if (!sUserManager.exists(userId)) return true; 13326 PackageParser.Package p = filter.service.owner; 13327 if (p != null) { 13328 PackageSetting ps = (PackageSetting)p.mExtras; 13329 if (ps != null) { 13330 // System apps are never considered stopped for purposes of 13331 // filtering, because there may be no way for the user to 13332 // actually re-launch them. 13333 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 13334 && ps.getStopped(userId); 13335 } 13336 } 13337 return false; 13338 } 13339 13340 @Override 13341 protected boolean isPackageForFilter(String packageName, 13342 PackageParser.ServiceIntentInfo info) { 13343 return packageName.equals(info.service.owner.packageName); 13344 } 13345 13346 @Override 13347 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 13348 int match, int userId) { 13349 if (!sUserManager.exists(userId)) return null; 13350 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 13351 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 13352 return null; 13353 } 13354 final PackageParser.Service service = info.service; 13355 PackageSetting ps = (PackageSetting) service.owner.mExtras; 13356 if (ps == null) { 13357 return null; 13358 } 13359 final PackageUserState userState = ps.readUserState(userId); 13360 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 13361 userState, userId); 13362 if (si == null) { 13363 return null; 13364 } 13365 final boolean matchVisibleToInstantApp = 13366 (mFlags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 13367 final boolean isInstantApp = (mFlags & PackageManager.MATCH_INSTANT) != 0; 13368 // throw out filters that aren't visible to ephemeral apps 13369 if (matchVisibleToInstantApp 13370 && !(info.isVisibleToInstantApp() || userState.instantApp)) { 13371 return null; 13372 } 13373 // throw out ephemeral filters if we're not explicitly requesting them 13374 if (!isInstantApp && userState.instantApp) { 13375 return null; 13376 } 13377 // throw out instant app filters if updates are available; will trigger 13378 // instant app resolution 13379 if (userState.instantApp && ps.isUpdateAvailable()) { 13380 return null; 13381 } 13382 final ResolveInfo res = new ResolveInfo(); 13383 res.serviceInfo = si; 13384 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 13385 res.filter = filter; 13386 } 13387 res.priority = info.getPriority(); 13388 res.preferredOrder = service.owner.mPreferredOrder; 13389 res.match = match; 13390 res.isDefault = info.hasDefault; 13391 res.labelRes = info.labelRes; 13392 res.nonLocalizedLabel = info.nonLocalizedLabel; 13393 res.icon = info.icon; 13394 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 13395 return res; 13396 } 13397 13398 @Override 13399 protected void sortResults(List<ResolveInfo> results) { 13400 Collections.sort(results, mResolvePrioritySorter); 13401 } 13402 13403 @Override 13404 protected void dumpFilter(PrintWriter out, String prefix, 13405 PackageParser.ServiceIntentInfo filter) { 13406 out.print(prefix); out.print( 13407 Integer.toHexString(System.identityHashCode(filter.service))); 13408 out.print(' '); 13409 filter.service.printComponentShortName(out); 13410 out.print(" filter "); 13411 out.println(Integer.toHexString(System.identityHashCode(filter))); 13412 } 13413 13414 @Override 13415 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 13416 return filter.service; 13417 } 13418 13419 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 13420 PackageParser.Service service = (PackageParser.Service)label; 13421 out.print(prefix); out.print( 13422 Integer.toHexString(System.identityHashCode(service))); 13423 out.print(' '); 13424 service.printComponentShortName(out); 13425 if (count > 1) { 13426 out.print(" ("); out.print(count); out.print(" filters)"); 13427 } 13428 out.println(); 13429 } 13430 13431// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 13432// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 13433// final List<ResolveInfo> retList = Lists.newArrayList(); 13434// while (i.hasNext()) { 13435// final ResolveInfo resolveInfo = (ResolveInfo) i; 13436// if (isEnabledLP(resolveInfo.serviceInfo)) { 13437// retList.add(resolveInfo); 13438// } 13439// } 13440// return retList; 13441// } 13442 13443 // Keys are String (activity class name), values are Activity. 13444 private final ArrayMap<ComponentName, PackageParser.Service> mServices 13445 = new ArrayMap<ComponentName, PackageParser.Service>(); 13446 private int mFlags; 13447 } 13448 13449 private final class ProviderIntentResolver 13450 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 13451 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 13452 boolean defaultOnly, int userId) { 13453 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 13454 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 13455 } 13456 13457 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 13458 int userId) { 13459 if (!sUserManager.exists(userId)) 13460 return null; 13461 mFlags = flags; 13462 return super.queryIntent(intent, resolvedType, 13463 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 13464 userId); 13465 } 13466 13467 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 13468 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 13469 if (!sUserManager.exists(userId)) 13470 return null; 13471 if (packageProviders == null) { 13472 return null; 13473 } 13474 mFlags = flags; 13475 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 13476 final int N = packageProviders.size(); 13477 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 13478 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 13479 13480 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 13481 for (int i = 0; i < N; ++i) { 13482 intentFilters = packageProviders.get(i).intents; 13483 if (intentFilters != null && intentFilters.size() > 0) { 13484 PackageParser.ProviderIntentInfo[] array = 13485 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 13486 intentFilters.toArray(array); 13487 listCut.add(array); 13488 } 13489 } 13490 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 13491 } 13492 13493 public final void addProvider(PackageParser.Provider p) { 13494 if (mProviders.containsKey(p.getComponentName())) { 13495 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 13496 return; 13497 } 13498 13499 mProviders.put(p.getComponentName(), p); 13500 if (DEBUG_SHOW_INFO) { 13501 Log.v(TAG, " " 13502 + (p.info.nonLocalizedLabel != null 13503 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 13504 Log.v(TAG, " Class=" + p.info.name); 13505 } 13506 final int NI = p.intents.size(); 13507 int j; 13508 for (j = 0; j < NI; j++) { 13509 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 13510 if (DEBUG_SHOW_INFO) { 13511 Log.v(TAG, " IntentFilter:"); 13512 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 13513 } 13514 if (!intent.debugCheck()) { 13515 Log.w(TAG, "==> For Provider " + p.info.name); 13516 } 13517 addFilter(intent); 13518 } 13519 } 13520 13521 public final void removeProvider(PackageParser.Provider p) { 13522 mProviders.remove(p.getComponentName()); 13523 if (DEBUG_SHOW_INFO) { 13524 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 13525 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 13526 Log.v(TAG, " Class=" + p.info.name); 13527 } 13528 final int NI = p.intents.size(); 13529 int j; 13530 for (j = 0; j < NI; j++) { 13531 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 13532 if (DEBUG_SHOW_INFO) { 13533 Log.v(TAG, " IntentFilter:"); 13534 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 13535 } 13536 removeFilter(intent); 13537 } 13538 } 13539 13540 @Override 13541 protected boolean allowFilterResult( 13542 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 13543 ProviderInfo filterPi = filter.provider.info; 13544 for (int i = dest.size() - 1; i >= 0; i--) { 13545 ProviderInfo destPi = dest.get(i).providerInfo; 13546 if (destPi.name == filterPi.name 13547 && destPi.packageName == filterPi.packageName) { 13548 return false; 13549 } 13550 } 13551 return true; 13552 } 13553 13554 @Override 13555 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 13556 return new PackageParser.ProviderIntentInfo[size]; 13557 } 13558 13559 @Override 13560 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 13561 if (!sUserManager.exists(userId)) 13562 return true; 13563 PackageParser.Package p = filter.provider.owner; 13564 if (p != null) { 13565 PackageSetting ps = (PackageSetting) p.mExtras; 13566 if (ps != null) { 13567 // System apps are never considered stopped for purposes of 13568 // filtering, because there may be no way for the user to 13569 // actually re-launch them. 13570 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 13571 && ps.getStopped(userId); 13572 } 13573 } 13574 return false; 13575 } 13576 13577 @Override 13578 protected boolean isPackageForFilter(String packageName, 13579 PackageParser.ProviderIntentInfo info) { 13580 return packageName.equals(info.provider.owner.packageName); 13581 } 13582 13583 @Override 13584 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 13585 int match, int userId) { 13586 if (!sUserManager.exists(userId)) 13587 return null; 13588 final PackageParser.ProviderIntentInfo info = filter; 13589 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 13590 return null; 13591 } 13592 final PackageParser.Provider provider = info.provider; 13593 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 13594 if (ps == null) { 13595 return null; 13596 } 13597 final PackageUserState userState = ps.readUserState(userId); 13598 final boolean matchVisibleToInstantApp = 13599 (mFlags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 13600 final boolean isInstantApp = (mFlags & PackageManager.MATCH_INSTANT) != 0; 13601 // throw out filters that aren't visible to instant applications 13602 if (matchVisibleToInstantApp 13603 && !(info.isVisibleToInstantApp() || userState.instantApp)) { 13604 return null; 13605 } 13606 // throw out instant application filters if we're not explicitly requesting them 13607 if (!isInstantApp && userState.instantApp) { 13608 return null; 13609 } 13610 // throw out instant application filters if updates are available; will trigger 13611 // instant application resolution 13612 if (userState.instantApp && ps.isUpdateAvailable()) { 13613 return null; 13614 } 13615 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 13616 userState, userId); 13617 if (pi == null) { 13618 return null; 13619 } 13620 final ResolveInfo res = new ResolveInfo(); 13621 res.providerInfo = pi; 13622 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 13623 res.filter = filter; 13624 } 13625 res.priority = info.getPriority(); 13626 res.preferredOrder = provider.owner.mPreferredOrder; 13627 res.match = match; 13628 res.isDefault = info.hasDefault; 13629 res.labelRes = info.labelRes; 13630 res.nonLocalizedLabel = info.nonLocalizedLabel; 13631 res.icon = info.icon; 13632 res.system = res.providerInfo.applicationInfo.isSystemApp(); 13633 return res; 13634 } 13635 13636 @Override 13637 protected void sortResults(List<ResolveInfo> results) { 13638 Collections.sort(results, mResolvePrioritySorter); 13639 } 13640 13641 @Override 13642 protected void dumpFilter(PrintWriter out, String prefix, 13643 PackageParser.ProviderIntentInfo filter) { 13644 out.print(prefix); 13645 out.print( 13646 Integer.toHexString(System.identityHashCode(filter.provider))); 13647 out.print(' '); 13648 filter.provider.printComponentShortName(out); 13649 out.print(" filter "); 13650 out.println(Integer.toHexString(System.identityHashCode(filter))); 13651 } 13652 13653 @Override 13654 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 13655 return filter.provider; 13656 } 13657 13658 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 13659 PackageParser.Provider provider = (PackageParser.Provider)label; 13660 out.print(prefix); out.print( 13661 Integer.toHexString(System.identityHashCode(provider))); 13662 out.print(' '); 13663 provider.printComponentShortName(out); 13664 if (count > 1) { 13665 out.print(" ("); out.print(count); out.print(" filters)"); 13666 } 13667 out.println(); 13668 } 13669 13670 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 13671 = new ArrayMap<ComponentName, PackageParser.Provider>(); 13672 private int mFlags; 13673 } 13674 13675 static final class EphemeralIntentResolver 13676 extends IntentResolver<AuxiliaryResolveInfo, AuxiliaryResolveInfo> { 13677 /** 13678 * The result that has the highest defined order. Ordering applies on a 13679 * per-package basis. Mapping is from package name to Pair of order and 13680 * EphemeralResolveInfo. 13681 * <p> 13682 * NOTE: This is implemented as a field variable for convenience and efficiency. 13683 * By having a field variable, we're able to track filter ordering as soon as 13684 * a non-zero order is defined. Otherwise, multiple loops across the result set 13685 * would be needed to apply ordering. If the intent resolver becomes re-entrant, 13686 * this needs to be contained entirely within {@link #filterResults}. 13687 */ 13688 final ArrayMap<String, Pair<Integer, InstantAppResolveInfo>> mOrderResult = new ArrayMap<>(); 13689 13690 @Override 13691 protected AuxiliaryResolveInfo[] newArray(int size) { 13692 return new AuxiliaryResolveInfo[size]; 13693 } 13694 13695 @Override 13696 protected boolean isPackageForFilter(String packageName, AuxiliaryResolveInfo responseObj) { 13697 return true; 13698 } 13699 13700 @Override 13701 protected AuxiliaryResolveInfo newResult(AuxiliaryResolveInfo responseObj, int match, 13702 int userId) { 13703 if (!sUserManager.exists(userId)) { 13704 return null; 13705 } 13706 final String packageName = responseObj.resolveInfo.getPackageName(); 13707 final Integer order = responseObj.getOrder(); 13708 final Pair<Integer, InstantAppResolveInfo> lastOrderResult = 13709 mOrderResult.get(packageName); 13710 // ordering is enabled and this item's order isn't high enough 13711 if (lastOrderResult != null && lastOrderResult.first >= order) { 13712 return null; 13713 } 13714 final InstantAppResolveInfo res = responseObj.resolveInfo; 13715 if (order > 0) { 13716 // non-zero order, enable ordering 13717 mOrderResult.put(packageName, new Pair<>(order, res)); 13718 } 13719 return responseObj; 13720 } 13721 13722 @Override 13723 protected void filterResults(List<AuxiliaryResolveInfo> results) { 13724 // only do work if ordering is enabled [most of the time it won't be] 13725 if (mOrderResult.size() == 0) { 13726 return; 13727 } 13728 int resultSize = results.size(); 13729 for (int i = 0; i < resultSize; i++) { 13730 final InstantAppResolveInfo info = results.get(i).resolveInfo; 13731 final String packageName = info.getPackageName(); 13732 final Pair<Integer, InstantAppResolveInfo> savedInfo = mOrderResult.get(packageName); 13733 if (savedInfo == null) { 13734 // package doesn't having ordering 13735 continue; 13736 } 13737 if (savedInfo.second == info) { 13738 // circled back to the highest ordered item; remove from order list 13739 mOrderResult.remove(savedInfo); 13740 if (mOrderResult.size() == 0) { 13741 // no more ordered items 13742 break; 13743 } 13744 continue; 13745 } 13746 // item has a worse order, remove it from the result list 13747 results.remove(i); 13748 resultSize--; 13749 i--; 13750 } 13751 } 13752 } 13753 13754 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 13755 new Comparator<ResolveInfo>() { 13756 public int compare(ResolveInfo r1, ResolveInfo r2) { 13757 int v1 = r1.priority; 13758 int v2 = r2.priority; 13759 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 13760 if (v1 != v2) { 13761 return (v1 > v2) ? -1 : 1; 13762 } 13763 v1 = r1.preferredOrder; 13764 v2 = r2.preferredOrder; 13765 if (v1 != v2) { 13766 return (v1 > v2) ? -1 : 1; 13767 } 13768 if (r1.isDefault != r2.isDefault) { 13769 return r1.isDefault ? -1 : 1; 13770 } 13771 v1 = r1.match; 13772 v2 = r2.match; 13773 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 13774 if (v1 != v2) { 13775 return (v1 > v2) ? -1 : 1; 13776 } 13777 if (r1.system != r2.system) { 13778 return r1.system ? -1 : 1; 13779 } 13780 if (r1.activityInfo != null) { 13781 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 13782 } 13783 if (r1.serviceInfo != null) { 13784 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 13785 } 13786 if (r1.providerInfo != null) { 13787 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 13788 } 13789 return 0; 13790 } 13791 }; 13792 13793 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 13794 new Comparator<ProviderInfo>() { 13795 public int compare(ProviderInfo p1, ProviderInfo p2) { 13796 final int v1 = p1.initOrder; 13797 final int v2 = p2.initOrder; 13798 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 13799 } 13800 }; 13801 13802 public void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 13803 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 13804 final int[] userIds) { 13805 mHandler.post(new Runnable() { 13806 @Override 13807 public void run() { 13808 try { 13809 final IActivityManager am = ActivityManager.getService(); 13810 if (am == null) return; 13811 final int[] resolvedUserIds; 13812 if (userIds == null) { 13813 resolvedUserIds = am.getRunningUserIds(); 13814 } else { 13815 resolvedUserIds = userIds; 13816 } 13817 for (int id : resolvedUserIds) { 13818 final Intent intent = new Intent(action, 13819 pkg != null ? Uri.fromParts(PACKAGE_SCHEME, pkg, null) : null); 13820 if (extras != null) { 13821 intent.putExtras(extras); 13822 } 13823 if (targetPkg != null) { 13824 intent.setPackage(targetPkg); 13825 } 13826 // Modify the UID when posting to other users 13827 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 13828 if (uid > 0 && UserHandle.getUserId(uid) != id) { 13829 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 13830 intent.putExtra(Intent.EXTRA_UID, uid); 13831 } 13832 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 13833 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 13834 if (DEBUG_BROADCASTS) { 13835 RuntimeException here = new RuntimeException("here"); 13836 here.fillInStackTrace(); 13837 Slog.d(TAG, "Sending to user " + id + ": " 13838 + intent.toShortString(false, true, false, false) 13839 + " " + intent.getExtras(), here); 13840 } 13841 am.broadcastIntent(null, intent, null, finishedReceiver, 13842 0, null, null, null, android.app.AppOpsManager.OP_NONE, 13843 null, finishedReceiver != null, false, id); 13844 } 13845 } catch (RemoteException ex) { 13846 } 13847 } 13848 }); 13849 } 13850 13851 /** 13852 * Check if the external storage media is available. This is true if there 13853 * is a mounted external storage medium or if the external storage is 13854 * emulated. 13855 */ 13856 private boolean isExternalMediaAvailable() { 13857 return mMediaMounted || Environment.isExternalStorageEmulated(); 13858 } 13859 13860 @Override 13861 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 13862 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 13863 return null; 13864 } 13865 // writer 13866 synchronized (mPackages) { 13867 if (!isExternalMediaAvailable()) { 13868 // If the external storage is no longer mounted at this point, 13869 // the caller may not have been able to delete all of this 13870 // packages files and can not delete any more. Bail. 13871 return null; 13872 } 13873 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 13874 if (lastPackage != null) { 13875 pkgs.remove(lastPackage); 13876 } 13877 if (pkgs.size() > 0) { 13878 return pkgs.get(0); 13879 } 13880 } 13881 return null; 13882 } 13883 13884 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 13885 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 13886 userId, andCode ? 1 : 0, packageName); 13887 if (mSystemReady) { 13888 msg.sendToTarget(); 13889 } else { 13890 if (mPostSystemReadyMessages == null) { 13891 mPostSystemReadyMessages = new ArrayList<>(); 13892 } 13893 mPostSystemReadyMessages.add(msg); 13894 } 13895 } 13896 13897 void startCleaningPackages() { 13898 // reader 13899 if (!isExternalMediaAvailable()) { 13900 return; 13901 } 13902 synchronized (mPackages) { 13903 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 13904 return; 13905 } 13906 } 13907 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 13908 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 13909 IActivityManager am = ActivityManager.getService(); 13910 if (am != null) { 13911 int dcsUid = -1; 13912 synchronized (mPackages) { 13913 if (!mDefaultContainerWhitelisted) { 13914 mDefaultContainerWhitelisted = true; 13915 PackageSetting ps = mSettings.mPackages.get(DEFAULT_CONTAINER_PACKAGE); 13916 dcsUid = UserHandle.getUid(UserHandle.USER_SYSTEM, ps.appId); 13917 } 13918 } 13919 try { 13920 if (dcsUid > 0) { 13921 am.backgroundWhitelistUid(dcsUid); 13922 } 13923 am.startService(null, intent, null, false, mContext.getOpPackageName(), 13924 UserHandle.USER_SYSTEM); 13925 } catch (RemoteException e) { 13926 } 13927 } 13928 } 13929 13930 @Override 13931 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 13932 int installFlags, String installerPackageName, int userId) { 13933 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 13934 13935 final int callingUid = Binder.getCallingUid(); 13936 enforceCrossUserPermission(callingUid, userId, 13937 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 13938 13939 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 13940 try { 13941 if (observer != null) { 13942 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 13943 } 13944 } catch (RemoteException re) { 13945 } 13946 return; 13947 } 13948 13949 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 13950 installFlags |= PackageManager.INSTALL_FROM_ADB; 13951 13952 } else { 13953 // Caller holds INSTALL_PACKAGES permission, so we're less strict 13954 // about installerPackageName. 13955 13956 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 13957 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 13958 } 13959 13960 UserHandle user; 13961 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 13962 user = UserHandle.ALL; 13963 } else { 13964 user = new UserHandle(userId); 13965 } 13966 13967 // Only system components can circumvent runtime permissions when installing. 13968 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 13969 && mContext.checkCallingOrSelfPermission(Manifest.permission 13970 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 13971 throw new SecurityException("You need the " 13972 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 13973 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 13974 } 13975 13976 if ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0 13977 || (installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 13978 throw new IllegalArgumentException( 13979 "New installs into ASEC containers no longer supported"); 13980 } 13981 13982 final File originFile = new File(originPath); 13983 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 13984 13985 final Message msg = mHandler.obtainMessage(INIT_COPY); 13986 final VerificationInfo verificationInfo = new VerificationInfo( 13987 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 13988 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 13989 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 13990 null /*packageAbiOverride*/, null /*grantedPermissions*/, 13991 null /*certificates*/, PackageManager.INSTALL_REASON_UNKNOWN); 13992 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 13993 msg.obj = params; 13994 13995 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 13996 System.identityHashCode(msg.obj)); 13997 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 13998 System.identityHashCode(msg.obj)); 13999 14000 mHandler.sendMessage(msg); 14001 } 14002 14003 14004 /** 14005 * Ensure that the install reason matches what we know about the package installer (e.g. whether 14006 * it is acting on behalf on an enterprise or the user). 14007 * 14008 * Note that the ordering of the conditionals in this method is important. The checks we perform 14009 * are as follows, in this order: 14010 * 14011 * 1) If the install is being performed by a system app, we can trust the app to have set the 14012 * install reason correctly. Thus, we pass through the install reason unchanged, no matter 14013 * what it is. 14014 * 2) If the install is being performed by a device or profile owner app, the install reason 14015 * should be enterprise policy. However, we cannot be sure that the device or profile owner 14016 * set the install reason correctly. If the app targets an older SDK version where install 14017 * reasons did not exist yet, or if the app author simply forgot, the install reason may be 14018 * unset or wrong. Thus, we force the install reason to be enterprise policy. 14019 * 3) In all other cases, the install is being performed by a regular app that is neither part 14020 * of the system nor a device or profile owner. We have no reason to believe that this app is 14021 * acting on behalf of the enterprise admin. Thus, we check whether the install reason was 14022 * set to enterprise policy and if so, change it to unknown instead. 14023 */ 14024 private int fixUpInstallReason(String installerPackageName, int installerUid, 14025 int installReason) { 14026 if (checkUidPermission(android.Manifest.permission.INSTALL_PACKAGES, installerUid) 14027 == PERMISSION_GRANTED) { 14028 // If the install is being performed by a system app, we trust that app to have set the 14029 // install reason correctly. 14030 return installReason; 14031 } 14032 14033 final IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 14034 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 14035 if (dpm != null) { 14036 ComponentName owner = null; 14037 try { 14038 owner = dpm.getDeviceOwnerComponent(true /* callingUserOnly */); 14039 if (owner == null) { 14040 owner = dpm.getProfileOwner(UserHandle.getUserId(installerUid)); 14041 } 14042 } catch (RemoteException e) { 14043 } 14044 if (owner != null && owner.getPackageName().equals(installerPackageName)) { 14045 // If the install is being performed by a device or profile owner, the install 14046 // reason should be enterprise policy. 14047 return PackageManager.INSTALL_REASON_POLICY; 14048 } 14049 } 14050 14051 if (installReason == PackageManager.INSTALL_REASON_POLICY) { 14052 // If the install is being performed by a regular app (i.e. neither system app nor 14053 // device or profile owner), we have no reason to believe that the app is acting on 14054 // behalf of an enterprise. If the app set the install reason to enterprise policy, 14055 // change it to unknown instead. 14056 return PackageManager.INSTALL_REASON_UNKNOWN; 14057 } 14058 14059 // If the install is being performed by a regular app and the install reason was set to any 14060 // value but enterprise policy, leave the install reason unchanged. 14061 return installReason; 14062 } 14063 14064 void installStage(String packageName, File stagedDir, String stagedCid, 14065 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 14066 String installerPackageName, int installerUid, UserHandle user, 14067 Certificate[][] certificates) { 14068 if (DEBUG_EPHEMERAL) { 14069 if ((sessionParams.installFlags & PackageManager.INSTALL_INSTANT_APP) != 0) { 14070 Slog.d(TAG, "Ephemeral install of " + packageName); 14071 } 14072 } 14073 final VerificationInfo verificationInfo = new VerificationInfo( 14074 sessionParams.originatingUri, sessionParams.referrerUri, 14075 sessionParams.originatingUid, installerUid); 14076 14077 final OriginInfo origin; 14078 if (stagedDir != null) { 14079 origin = OriginInfo.fromStagedFile(stagedDir); 14080 } else { 14081 origin = OriginInfo.fromStagedContainer(stagedCid); 14082 } 14083 14084 final Message msg = mHandler.obtainMessage(INIT_COPY); 14085 final int installReason = fixUpInstallReason(installerPackageName, installerUid, 14086 sessionParams.installReason); 14087 final InstallParams params = new InstallParams(origin, null, observer, 14088 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 14089 verificationInfo, user, sessionParams.abiOverride, 14090 sessionParams.grantedRuntimePermissions, certificates, installReason); 14091 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 14092 msg.obj = params; 14093 14094 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 14095 System.identityHashCode(msg.obj)); 14096 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 14097 System.identityHashCode(msg.obj)); 14098 14099 mHandler.sendMessage(msg); 14100 } 14101 14102 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 14103 int userId) { 14104 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 14105 sendPackageAddedForNewUsers(packageName, isSystem, pkgSetting.appId, userId); 14106 14107 // Send a session commit broadcast 14108 final PackageInstaller.SessionInfo info = new PackageInstaller.SessionInfo(); 14109 info.installReason = pkgSetting.getInstallReason(userId); 14110 info.appPackageName = packageName; 14111 sendSessionCommitBroadcast(info, userId); 14112 } 14113 14114 public void sendPackageAddedForNewUsers(String packageName, boolean isSystem, int appId, int... userIds) { 14115 if (ArrayUtils.isEmpty(userIds)) { 14116 return; 14117 } 14118 Bundle extras = new Bundle(1); 14119 // Set to UID of the first user, EXTRA_UID is automatically updated in sendPackageBroadcast 14120 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userIds[0], appId)); 14121 14122 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 14123 packageName, extras, 0, null, null, userIds); 14124 if (isSystem) { 14125 mHandler.post(() -> { 14126 for (int userId : userIds) { 14127 sendBootCompletedBroadcastToSystemApp(packageName, userId); 14128 } 14129 } 14130 ); 14131 } 14132 } 14133 14134 /** 14135 * The just-installed/enabled app is bundled on the system, so presumed to be able to run 14136 * automatically without needing an explicit launch. 14137 * Send it a LOCKED_BOOT_COMPLETED/BOOT_COMPLETED if it would ordinarily have gotten ones. 14138 */ 14139 private void sendBootCompletedBroadcastToSystemApp(String packageName, int userId) { 14140 // If user is not running, the app didn't miss any broadcast 14141 if (!mUserManagerInternal.isUserRunning(userId)) { 14142 return; 14143 } 14144 final IActivityManager am = ActivityManager.getService(); 14145 try { 14146 // Deliver LOCKED_BOOT_COMPLETED first 14147 Intent lockedBcIntent = new Intent(Intent.ACTION_LOCKED_BOOT_COMPLETED) 14148 .setPackage(packageName); 14149 final String[] requiredPermissions = {Manifest.permission.RECEIVE_BOOT_COMPLETED}; 14150 am.broadcastIntent(null, lockedBcIntent, null, null, 0, null, null, requiredPermissions, 14151 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 14152 14153 // Deliver BOOT_COMPLETED only if user is unlocked 14154 if (mUserManagerInternal.isUserUnlockingOrUnlocked(userId)) { 14155 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED).setPackage(packageName); 14156 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, requiredPermissions, 14157 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 14158 } 14159 } catch (RemoteException e) { 14160 throw e.rethrowFromSystemServer(); 14161 } 14162 } 14163 14164 @Override 14165 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 14166 int userId) { 14167 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 14168 PackageSetting pkgSetting; 14169 final int uid = Binder.getCallingUid(); 14170 enforceCrossUserPermission(uid, userId, 14171 true /* requireFullPermission */, true /* checkShell */, 14172 "setApplicationHiddenSetting for user " + userId); 14173 14174 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 14175 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 14176 return false; 14177 } 14178 14179 long callingId = Binder.clearCallingIdentity(); 14180 try { 14181 boolean sendAdded = false; 14182 boolean sendRemoved = false; 14183 // writer 14184 synchronized (mPackages) { 14185 pkgSetting = mSettings.mPackages.get(packageName); 14186 if (pkgSetting == null) { 14187 return false; 14188 } 14189 // Do not allow "android" is being disabled 14190 if ("android".equals(packageName)) { 14191 Slog.w(TAG, "Cannot hide package: android"); 14192 return false; 14193 } 14194 // Cannot hide static shared libs as they are considered 14195 // a part of the using app (emulating static linking). Also 14196 // static libs are installed always on internal storage. 14197 PackageParser.Package pkg = mPackages.get(packageName); 14198 if (pkg != null && pkg.staticSharedLibName != null) { 14199 Slog.w(TAG, "Cannot hide package: " + packageName 14200 + " providing static shared library: " 14201 + pkg.staticSharedLibName); 14202 return false; 14203 } 14204 // Only allow protected packages to hide themselves. 14205 if (hidden && !UserHandle.isSameApp(uid, pkgSetting.appId) 14206 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 14207 Slog.w(TAG, "Not hiding protected package: " + packageName); 14208 return false; 14209 } 14210 14211 if (pkgSetting.getHidden(userId) != hidden) { 14212 pkgSetting.setHidden(hidden, userId); 14213 mSettings.writePackageRestrictionsLPr(userId); 14214 if (hidden) { 14215 sendRemoved = true; 14216 } else { 14217 sendAdded = true; 14218 } 14219 } 14220 } 14221 if (sendAdded) { 14222 sendPackageAddedForUser(packageName, pkgSetting, userId); 14223 return true; 14224 } 14225 if (sendRemoved) { 14226 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 14227 "hiding pkg"); 14228 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 14229 return true; 14230 } 14231 } finally { 14232 Binder.restoreCallingIdentity(callingId); 14233 } 14234 return false; 14235 } 14236 14237 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 14238 int userId) { 14239 final PackageRemovedInfo info = new PackageRemovedInfo(this); 14240 info.removedPackage = packageName; 14241 info.installerPackageName = pkgSetting.installerPackageName; 14242 info.removedUsers = new int[] {userId}; 14243 info.broadcastUsers = new int[] {userId}; 14244 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 14245 info.sendPackageRemovedBroadcasts(true /*killApp*/); 14246 } 14247 14248 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 14249 if (pkgList.length > 0) { 14250 Bundle extras = new Bundle(1); 14251 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 14252 14253 sendPackageBroadcast( 14254 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 14255 : Intent.ACTION_PACKAGES_UNSUSPENDED, 14256 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 14257 new int[] {userId}); 14258 } 14259 } 14260 14261 /** 14262 * Returns true if application is not found or there was an error. Otherwise it returns 14263 * the hidden state of the package for the given user. 14264 */ 14265 @Override 14266 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 14267 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 14268 enforceCrossUserPermission(Binder.getCallingUid(), userId, 14269 true /* requireFullPermission */, false /* checkShell */, 14270 "getApplicationHidden for user " + userId); 14271 PackageSetting pkgSetting; 14272 long callingId = Binder.clearCallingIdentity(); 14273 try { 14274 // writer 14275 synchronized (mPackages) { 14276 pkgSetting = mSettings.mPackages.get(packageName); 14277 if (pkgSetting == null) { 14278 return true; 14279 } 14280 return pkgSetting.getHidden(userId); 14281 } 14282 } finally { 14283 Binder.restoreCallingIdentity(callingId); 14284 } 14285 } 14286 14287 /** 14288 * @hide 14289 */ 14290 @Override 14291 public int installExistingPackageAsUser(String packageName, int userId, int installFlags, 14292 int installReason) { 14293 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 14294 null); 14295 PackageSetting pkgSetting; 14296 final int uid = Binder.getCallingUid(); 14297 enforceCrossUserPermission(uid, userId, 14298 true /* requireFullPermission */, true /* checkShell */, 14299 "installExistingPackage for user " + userId); 14300 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 14301 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 14302 } 14303 14304 long callingId = Binder.clearCallingIdentity(); 14305 try { 14306 boolean installed = false; 14307 final boolean instantApp = 14308 (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 14309 final boolean fullApp = 14310 (installFlags & PackageManager.INSTALL_FULL_APP) != 0; 14311 14312 // writer 14313 synchronized (mPackages) { 14314 pkgSetting = mSettings.mPackages.get(packageName); 14315 if (pkgSetting == null) { 14316 return PackageManager.INSTALL_FAILED_INVALID_URI; 14317 } 14318 if (!pkgSetting.getInstalled(userId)) { 14319 pkgSetting.setInstalled(true, userId); 14320 pkgSetting.setHidden(false, userId); 14321 pkgSetting.setInstallReason(installReason, userId); 14322 mSettings.writePackageRestrictionsLPr(userId); 14323 mSettings.writeKernelMappingLPr(pkgSetting); 14324 installed = true; 14325 } else if (fullApp && pkgSetting.getInstantApp(userId)) { 14326 // upgrade app from instant to full; we don't allow app downgrade 14327 installed = true; 14328 } 14329 setInstantAppForUser(pkgSetting, userId, instantApp, fullApp); 14330 } 14331 14332 if (installed) { 14333 if (pkgSetting.pkg != null) { 14334 synchronized (mInstallLock) { 14335 // We don't need to freeze for a brand new install 14336 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 14337 } 14338 } 14339 sendPackageAddedForUser(packageName, pkgSetting, userId); 14340 synchronized (mPackages) { 14341 updateSequenceNumberLP(packageName, new int[]{ userId }); 14342 } 14343 } 14344 } finally { 14345 Binder.restoreCallingIdentity(callingId); 14346 } 14347 14348 return PackageManager.INSTALL_SUCCEEDED; 14349 } 14350 14351 void setInstantAppForUser(PackageSetting pkgSetting, int userId, 14352 boolean instantApp, boolean fullApp) { 14353 // no state specified; do nothing 14354 if (!instantApp && !fullApp) { 14355 return; 14356 } 14357 if (userId != UserHandle.USER_ALL) { 14358 if (instantApp && !pkgSetting.getInstantApp(userId)) { 14359 pkgSetting.setInstantApp(true /*instantApp*/, userId); 14360 } else if (fullApp && pkgSetting.getInstantApp(userId)) { 14361 pkgSetting.setInstantApp(false /*instantApp*/, userId); 14362 } 14363 } else { 14364 for (int currentUserId : sUserManager.getUserIds()) { 14365 if (instantApp && !pkgSetting.getInstantApp(currentUserId)) { 14366 pkgSetting.setInstantApp(true /*instantApp*/, currentUserId); 14367 } else if (fullApp && pkgSetting.getInstantApp(currentUserId)) { 14368 pkgSetting.setInstantApp(false /*instantApp*/, currentUserId); 14369 } 14370 } 14371 } 14372 } 14373 14374 boolean isUserRestricted(int userId, String restrictionKey) { 14375 Bundle restrictions = sUserManager.getUserRestrictions(userId); 14376 if (restrictions.getBoolean(restrictionKey, false)) { 14377 Log.w(TAG, "User is restricted: " + restrictionKey); 14378 return true; 14379 } 14380 return false; 14381 } 14382 14383 @Override 14384 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 14385 int userId) { 14386 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 14387 enforceCrossUserPermission(Binder.getCallingUid(), userId, 14388 true /* requireFullPermission */, true /* checkShell */, 14389 "setPackagesSuspended for user " + userId); 14390 14391 if (ArrayUtils.isEmpty(packageNames)) { 14392 return packageNames; 14393 } 14394 14395 // List of package names for whom the suspended state has changed. 14396 List<String> changedPackages = new ArrayList<>(packageNames.length); 14397 // List of package names for whom the suspended state is not set as requested in this 14398 // method. 14399 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 14400 long callingId = Binder.clearCallingIdentity(); 14401 try { 14402 for (int i = 0; i < packageNames.length; i++) { 14403 String packageName = packageNames[i]; 14404 boolean changed = false; 14405 final int appId; 14406 synchronized (mPackages) { 14407 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 14408 if (pkgSetting == null) { 14409 Slog.w(TAG, "Could not find package setting for package \"" + packageName 14410 + "\". Skipping suspending/un-suspending."); 14411 unactionedPackages.add(packageName); 14412 continue; 14413 } 14414 appId = pkgSetting.appId; 14415 if (pkgSetting.getSuspended(userId) != suspended) { 14416 if (!canSuspendPackageForUserLocked(packageName, userId)) { 14417 unactionedPackages.add(packageName); 14418 continue; 14419 } 14420 pkgSetting.setSuspended(suspended, userId); 14421 mSettings.writePackageRestrictionsLPr(userId); 14422 changed = true; 14423 changedPackages.add(packageName); 14424 } 14425 } 14426 14427 if (changed && suspended) { 14428 killApplication(packageName, UserHandle.getUid(userId, appId), 14429 "suspending package"); 14430 } 14431 } 14432 } finally { 14433 Binder.restoreCallingIdentity(callingId); 14434 } 14435 14436 if (!changedPackages.isEmpty()) { 14437 sendPackagesSuspendedForUser(changedPackages.toArray( 14438 new String[changedPackages.size()]), userId, suspended); 14439 } 14440 14441 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 14442 } 14443 14444 @Override 14445 public boolean isPackageSuspendedForUser(String packageName, int userId) { 14446 final int callingUid = Binder.getCallingUid(); 14447 enforceCrossUserPermission(callingUid, userId, 14448 true /* requireFullPermission */, false /* checkShell */, 14449 "isPackageSuspendedForUser for user " + userId); 14450 synchronized (mPackages) { 14451 final PackageSetting ps = mSettings.mPackages.get(packageName); 14452 if (ps == null || filterAppAccessLPr(ps, callingUid, userId)) { 14453 throw new IllegalArgumentException("Unknown target package: " + packageName); 14454 } 14455 return ps.getSuspended(userId); 14456 } 14457 } 14458 14459 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 14460 if (isPackageDeviceAdmin(packageName, userId)) { 14461 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 14462 + "\": has an active device admin"); 14463 return false; 14464 } 14465 14466 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 14467 if (packageName.equals(activeLauncherPackageName)) { 14468 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 14469 + "\": contains the active launcher"); 14470 return false; 14471 } 14472 14473 if (packageName.equals(mRequiredInstallerPackage)) { 14474 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 14475 + "\": required for package installation"); 14476 return false; 14477 } 14478 14479 if (packageName.equals(mRequiredUninstallerPackage)) { 14480 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 14481 + "\": required for package uninstallation"); 14482 return false; 14483 } 14484 14485 if (packageName.equals(mRequiredVerifierPackage)) { 14486 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 14487 + "\": required for package verification"); 14488 return false; 14489 } 14490 14491 if (packageName.equals(getDefaultDialerPackageName(userId))) { 14492 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 14493 + "\": is the default dialer"); 14494 return false; 14495 } 14496 14497 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 14498 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 14499 + "\": protected package"); 14500 return false; 14501 } 14502 14503 // Cannot suspend static shared libs as they are considered 14504 // a part of the using app (emulating static linking). Also 14505 // static libs are installed always on internal storage. 14506 PackageParser.Package pkg = mPackages.get(packageName); 14507 if (pkg != null && pkg.applicationInfo.isStaticSharedLibrary()) { 14508 Slog.w(TAG, "Cannot suspend package: " + packageName 14509 + " providing static shared library: " 14510 + pkg.staticSharedLibName); 14511 return false; 14512 } 14513 14514 return true; 14515 } 14516 14517 private String getActiveLauncherPackageName(int userId) { 14518 Intent intent = new Intent(Intent.ACTION_MAIN); 14519 intent.addCategory(Intent.CATEGORY_HOME); 14520 ResolveInfo resolveInfo = resolveIntent( 14521 intent, 14522 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 14523 PackageManager.MATCH_DEFAULT_ONLY, 14524 userId); 14525 14526 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 14527 } 14528 14529 private String getDefaultDialerPackageName(int userId) { 14530 synchronized (mPackages) { 14531 return mSettings.getDefaultDialerPackageNameLPw(userId); 14532 } 14533 } 14534 14535 @Override 14536 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 14537 mContext.enforceCallingOrSelfPermission( 14538 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 14539 "Only package verification agents can verify applications"); 14540 14541 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 14542 final PackageVerificationResponse response = new PackageVerificationResponse( 14543 verificationCode, Binder.getCallingUid()); 14544 msg.arg1 = id; 14545 msg.obj = response; 14546 mHandler.sendMessage(msg); 14547 } 14548 14549 @Override 14550 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 14551 long millisecondsToDelay) { 14552 mContext.enforceCallingOrSelfPermission( 14553 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 14554 "Only package verification agents can extend verification timeouts"); 14555 14556 final PackageVerificationState state = mPendingVerification.get(id); 14557 final PackageVerificationResponse response = new PackageVerificationResponse( 14558 verificationCodeAtTimeout, Binder.getCallingUid()); 14559 14560 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 14561 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 14562 } 14563 if (millisecondsToDelay < 0) { 14564 millisecondsToDelay = 0; 14565 } 14566 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 14567 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 14568 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 14569 } 14570 14571 if ((state != null) && !state.timeoutExtended()) { 14572 state.extendTimeout(); 14573 14574 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 14575 msg.arg1 = id; 14576 msg.obj = response; 14577 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 14578 } 14579 } 14580 14581 private void broadcastPackageVerified(int verificationId, Uri packageUri, 14582 int verificationCode, UserHandle user) { 14583 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 14584 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 14585 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 14586 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 14587 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 14588 14589 mContext.sendBroadcastAsUser(intent, user, 14590 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 14591 } 14592 14593 private ComponentName matchComponentForVerifier(String packageName, 14594 List<ResolveInfo> receivers) { 14595 ActivityInfo targetReceiver = null; 14596 14597 final int NR = receivers.size(); 14598 for (int i = 0; i < NR; i++) { 14599 final ResolveInfo info = receivers.get(i); 14600 if (info.activityInfo == null) { 14601 continue; 14602 } 14603 14604 if (packageName.equals(info.activityInfo.packageName)) { 14605 targetReceiver = info.activityInfo; 14606 break; 14607 } 14608 } 14609 14610 if (targetReceiver == null) { 14611 return null; 14612 } 14613 14614 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 14615 } 14616 14617 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 14618 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 14619 if (pkgInfo.verifiers.length == 0) { 14620 return null; 14621 } 14622 14623 final int N = pkgInfo.verifiers.length; 14624 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 14625 for (int i = 0; i < N; i++) { 14626 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 14627 14628 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 14629 receivers); 14630 if (comp == null) { 14631 continue; 14632 } 14633 14634 final int verifierUid = getUidForVerifier(verifierInfo); 14635 if (verifierUid == -1) { 14636 continue; 14637 } 14638 14639 if (DEBUG_VERIFY) { 14640 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 14641 + " with the correct signature"); 14642 } 14643 sufficientVerifiers.add(comp); 14644 verificationState.addSufficientVerifier(verifierUid); 14645 } 14646 14647 return sufficientVerifiers; 14648 } 14649 14650 private int getUidForVerifier(VerifierInfo verifierInfo) { 14651 synchronized (mPackages) { 14652 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 14653 if (pkg == null) { 14654 return -1; 14655 } else if (pkg.mSignatures.length != 1) { 14656 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 14657 + " has more than one signature; ignoring"); 14658 return -1; 14659 } 14660 14661 /* 14662 * If the public key of the package's signature does not match 14663 * our expected public key, then this is a different package and 14664 * we should skip. 14665 */ 14666 14667 final byte[] expectedPublicKey; 14668 try { 14669 final Signature verifierSig = pkg.mSignatures[0]; 14670 final PublicKey publicKey = verifierSig.getPublicKey(); 14671 expectedPublicKey = publicKey.getEncoded(); 14672 } catch (CertificateException e) { 14673 return -1; 14674 } 14675 14676 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 14677 14678 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 14679 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 14680 + " does not have the expected public key; ignoring"); 14681 return -1; 14682 } 14683 14684 return pkg.applicationInfo.uid; 14685 } 14686 } 14687 14688 @Override 14689 public void finishPackageInstall(int token, boolean didLaunch) { 14690 enforceSystemOrRoot("Only the system is allowed to finish installs"); 14691 14692 if (DEBUG_INSTALL) { 14693 Slog.v(TAG, "BM finishing package install for " + token); 14694 } 14695 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 14696 14697 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 14698 mHandler.sendMessage(msg); 14699 } 14700 14701 /** 14702 * Get the verification agent timeout. Used for both the APK verifier and the 14703 * intent filter verifier. 14704 * 14705 * @return verification timeout in milliseconds 14706 */ 14707 private long getVerificationTimeout() { 14708 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 14709 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 14710 DEFAULT_VERIFICATION_TIMEOUT); 14711 } 14712 14713 /** 14714 * Get the default verification agent response code. 14715 * 14716 * @return default verification response code 14717 */ 14718 private int getDefaultVerificationResponse(UserHandle user) { 14719 if (sUserManager.hasUserRestriction(UserManager.ENSURE_VERIFY_APPS, user.getIdentifier())) { 14720 return PackageManager.VERIFICATION_REJECT; 14721 } 14722 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 14723 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 14724 DEFAULT_VERIFICATION_RESPONSE); 14725 } 14726 14727 /** 14728 * Check whether or not package verification has been enabled. 14729 * 14730 * @return true if verification should be performed 14731 */ 14732 private boolean isVerificationEnabled(int userId, int installFlags) { 14733 if (!DEFAULT_VERIFY_ENABLE) { 14734 return false; 14735 } 14736 14737 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 14738 14739 // Check if installing from ADB 14740 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 14741 // Do not run verification in a test harness environment 14742 if (ActivityManager.isRunningInTestHarness()) { 14743 return false; 14744 } 14745 if (ensureVerifyAppsEnabled) { 14746 return true; 14747 } 14748 // Check if the developer does not want package verification for ADB installs 14749 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 14750 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 14751 return false; 14752 } 14753 } 14754 14755 if (ensureVerifyAppsEnabled) { 14756 return true; 14757 } 14758 14759 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 14760 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 14761 } 14762 14763 @Override 14764 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 14765 throws RemoteException { 14766 mContext.enforceCallingOrSelfPermission( 14767 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 14768 "Only intentfilter verification agents can verify applications"); 14769 14770 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 14771 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 14772 Binder.getCallingUid(), verificationCode, failedDomains); 14773 msg.arg1 = id; 14774 msg.obj = response; 14775 mHandler.sendMessage(msg); 14776 } 14777 14778 @Override 14779 public int getIntentVerificationStatus(String packageName, int userId) { 14780 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 14781 return INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 14782 } 14783 synchronized (mPackages) { 14784 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 14785 } 14786 } 14787 14788 @Override 14789 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 14790 mContext.enforceCallingOrSelfPermission( 14791 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14792 14793 boolean result = false; 14794 synchronized (mPackages) { 14795 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 14796 } 14797 if (result) { 14798 scheduleWritePackageRestrictionsLocked(userId); 14799 } 14800 return result; 14801 } 14802 14803 @Override 14804 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 14805 String packageName) { 14806 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 14807 return ParceledListSlice.emptyList(); 14808 } 14809 synchronized (mPackages) { 14810 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 14811 } 14812 } 14813 14814 @Override 14815 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 14816 if (TextUtils.isEmpty(packageName)) { 14817 return ParceledListSlice.emptyList(); 14818 } 14819 final int callingUid = Binder.getCallingUid(); 14820 final int callingUserId = UserHandle.getUserId(callingUid); 14821 synchronized (mPackages) { 14822 PackageParser.Package pkg = mPackages.get(packageName); 14823 if (pkg == null || pkg.activities == null) { 14824 return ParceledListSlice.emptyList(); 14825 } 14826 if (pkg.mExtras == null) { 14827 return ParceledListSlice.emptyList(); 14828 } 14829 final PackageSetting ps = (PackageSetting) pkg.mExtras; 14830 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 14831 return ParceledListSlice.emptyList(); 14832 } 14833 final int count = pkg.activities.size(); 14834 ArrayList<IntentFilter> result = new ArrayList<>(); 14835 for (int n=0; n<count; n++) { 14836 PackageParser.Activity activity = pkg.activities.get(n); 14837 if (activity.intents != null && activity.intents.size() > 0) { 14838 result.addAll(activity.intents); 14839 } 14840 } 14841 return new ParceledListSlice<>(result); 14842 } 14843 } 14844 14845 @Override 14846 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 14847 mContext.enforceCallingOrSelfPermission( 14848 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14849 14850 synchronized (mPackages) { 14851 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 14852 if (packageName != null) { 14853 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 14854 packageName, userId); 14855 } 14856 return result; 14857 } 14858 } 14859 14860 @Override 14861 public String getDefaultBrowserPackageName(int userId) { 14862 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 14863 return null; 14864 } 14865 synchronized (mPackages) { 14866 return mSettings.getDefaultBrowserPackageNameLPw(userId); 14867 } 14868 } 14869 14870 /** 14871 * Get the "allow unknown sources" setting. 14872 * 14873 * @return the current "allow unknown sources" setting 14874 */ 14875 private int getUnknownSourcesSettings() { 14876 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 14877 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 14878 -1); 14879 } 14880 14881 @Override 14882 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 14883 final int callingUid = Binder.getCallingUid(); 14884 if (getInstantAppPackageName(callingUid) != null) { 14885 return; 14886 } 14887 // writer 14888 synchronized (mPackages) { 14889 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 14890 if (targetPackageSetting == null) { 14891 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 14892 } 14893 14894 PackageSetting installerPackageSetting; 14895 if (installerPackageName != null) { 14896 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 14897 if (installerPackageSetting == null) { 14898 throw new IllegalArgumentException("Unknown installer package: " 14899 + installerPackageName); 14900 } 14901 } else { 14902 installerPackageSetting = null; 14903 } 14904 14905 Signature[] callerSignature; 14906 Object obj = mSettings.getUserIdLPr(callingUid); 14907 if (obj != null) { 14908 if (obj instanceof SharedUserSetting) { 14909 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 14910 } else if (obj instanceof PackageSetting) { 14911 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 14912 } else { 14913 throw new SecurityException("Bad object " + obj + " for uid " + callingUid); 14914 } 14915 } else { 14916 throw new SecurityException("Unknown calling UID: " + callingUid); 14917 } 14918 14919 // Verify: can't set installerPackageName to a package that is 14920 // not signed with the same cert as the caller. 14921 if (installerPackageSetting != null) { 14922 if (compareSignatures(callerSignature, 14923 installerPackageSetting.signatures.mSignatures) 14924 != PackageManager.SIGNATURE_MATCH) { 14925 throw new SecurityException( 14926 "Caller does not have same cert as new installer package " 14927 + installerPackageName); 14928 } 14929 } 14930 14931 // Verify: if target already has an installer package, it must 14932 // be signed with the same cert as the caller. 14933 if (targetPackageSetting.installerPackageName != null) { 14934 PackageSetting setting = mSettings.mPackages.get( 14935 targetPackageSetting.installerPackageName); 14936 // If the currently set package isn't valid, then it's always 14937 // okay to change it. 14938 if (setting != null) { 14939 if (compareSignatures(callerSignature, 14940 setting.signatures.mSignatures) 14941 != PackageManager.SIGNATURE_MATCH) { 14942 throw new SecurityException( 14943 "Caller does not have same cert as old installer package " 14944 + targetPackageSetting.installerPackageName); 14945 } 14946 } 14947 } 14948 14949 // Okay! 14950 targetPackageSetting.installerPackageName = installerPackageName; 14951 if (installerPackageName != null) { 14952 mSettings.mInstallerPackages.add(installerPackageName); 14953 } 14954 scheduleWriteSettingsLocked(); 14955 } 14956 } 14957 14958 @Override 14959 public void setApplicationCategoryHint(String packageName, int categoryHint, 14960 String callerPackageName) { 14961 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 14962 throw new SecurityException("Instant applications don't have access to this method"); 14963 } 14964 mContext.getSystemService(AppOpsManager.class).checkPackage(Binder.getCallingUid(), 14965 callerPackageName); 14966 synchronized (mPackages) { 14967 PackageSetting ps = mSettings.mPackages.get(packageName); 14968 if (ps == null) { 14969 throw new IllegalArgumentException("Unknown target package " + packageName); 14970 } 14971 14972 if (!Objects.equals(callerPackageName, ps.installerPackageName)) { 14973 throw new IllegalArgumentException("Calling package " + callerPackageName 14974 + " is not installer for " + packageName); 14975 } 14976 14977 if (ps.categoryHint != categoryHint) { 14978 ps.categoryHint = categoryHint; 14979 scheduleWriteSettingsLocked(); 14980 } 14981 } 14982 } 14983 14984 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 14985 // Queue up an async operation since the package installation may take a little while. 14986 mHandler.post(new Runnable() { 14987 public void run() { 14988 mHandler.removeCallbacks(this); 14989 // Result object to be returned 14990 PackageInstalledInfo res = new PackageInstalledInfo(); 14991 res.setReturnCode(currentStatus); 14992 res.uid = -1; 14993 res.pkg = null; 14994 res.removedInfo = null; 14995 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14996 args.doPreInstall(res.returnCode); 14997 synchronized (mInstallLock) { 14998 installPackageTracedLI(args, res); 14999 } 15000 args.doPostInstall(res.returnCode, res.uid); 15001 } 15002 15003 // A restore should be performed at this point if (a) the install 15004 // succeeded, (b) the operation is not an update, and (c) the new 15005 // package has not opted out of backup participation. 15006 final boolean update = res.removedInfo != null 15007 && res.removedInfo.removedPackage != null; 15008 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 15009 boolean doRestore = !update 15010 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 15011 15012 // Set up the post-install work request bookkeeping. This will be used 15013 // and cleaned up by the post-install event handling regardless of whether 15014 // there's a restore pass performed. Token values are >= 1. 15015 int token; 15016 if (mNextInstallToken < 0) mNextInstallToken = 1; 15017 token = mNextInstallToken++; 15018 15019 PostInstallData data = new PostInstallData(args, res); 15020 mRunningInstalls.put(token, data); 15021 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 15022 15023 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 15024 // Pass responsibility to the Backup Manager. It will perform a 15025 // restore if appropriate, then pass responsibility back to the 15026 // Package Manager to run the post-install observer callbacks 15027 // and broadcasts. 15028 IBackupManager bm = IBackupManager.Stub.asInterface( 15029 ServiceManager.getService(Context.BACKUP_SERVICE)); 15030 if (bm != null) { 15031 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 15032 + " to BM for possible restore"); 15033 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 15034 try { 15035 // TODO: http://b/22388012 15036 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 15037 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 15038 } else { 15039 doRestore = false; 15040 } 15041 } catch (RemoteException e) { 15042 // can't happen; the backup manager is local 15043 } catch (Exception e) { 15044 Slog.e(TAG, "Exception trying to enqueue restore", e); 15045 doRestore = false; 15046 } 15047 } else { 15048 Slog.e(TAG, "Backup Manager not found!"); 15049 doRestore = false; 15050 } 15051 } 15052 15053 if (!doRestore) { 15054 // No restore possible, or the Backup Manager was mysteriously not 15055 // available -- just fire the post-install work request directly. 15056 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 15057 15058 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 15059 15060 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 15061 mHandler.sendMessage(msg); 15062 } 15063 } 15064 }); 15065 } 15066 15067 /** 15068 * Callback from PackageSettings whenever an app is first transitioned out of the 15069 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 15070 * the app was "launched" for a restoreAtInstall operation. Therefore we check 15071 * here whether the app is the target of an ongoing install, and only send the 15072 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 15073 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 15074 * handling. 15075 */ 15076 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 15077 // Serialize this with the rest of the install-process message chain. In the 15078 // restore-at-install case, this Runnable will necessarily run before the 15079 // POST_INSTALL message is processed, so the contents of mRunningInstalls 15080 // are coherent. In the non-restore case, the app has already completed install 15081 // and been launched through some other means, so it is not in a problematic 15082 // state for observers to see the FIRST_LAUNCH signal. 15083 mHandler.post(new Runnable() { 15084 @Override 15085 public void run() { 15086 for (int i = 0; i < mRunningInstalls.size(); i++) { 15087 final PostInstallData data = mRunningInstalls.valueAt(i); 15088 if (data.res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 15089 continue; 15090 } 15091 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 15092 // right package; but is it for the right user? 15093 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 15094 if (userId == data.res.newUsers[uIndex]) { 15095 if (DEBUG_BACKUP) { 15096 Slog.i(TAG, "Package " + pkgName 15097 + " being restored so deferring FIRST_LAUNCH"); 15098 } 15099 return; 15100 } 15101 } 15102 } 15103 } 15104 // didn't find it, so not being restored 15105 if (DEBUG_BACKUP) { 15106 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 15107 } 15108 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 15109 } 15110 }); 15111 } 15112 15113 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 15114 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 15115 installerPkg, null, userIds); 15116 } 15117 15118 private abstract class HandlerParams { 15119 private static final int MAX_RETRIES = 4; 15120 15121 /** 15122 * Number of times startCopy() has been attempted and had a non-fatal 15123 * error. 15124 */ 15125 private int mRetries = 0; 15126 15127 /** User handle for the user requesting the information or installation. */ 15128 private final UserHandle mUser; 15129 String traceMethod; 15130 int traceCookie; 15131 15132 HandlerParams(UserHandle user) { 15133 mUser = user; 15134 } 15135 15136 UserHandle getUser() { 15137 return mUser; 15138 } 15139 15140 HandlerParams setTraceMethod(String traceMethod) { 15141 this.traceMethod = traceMethod; 15142 return this; 15143 } 15144 15145 HandlerParams setTraceCookie(int traceCookie) { 15146 this.traceCookie = traceCookie; 15147 return this; 15148 } 15149 15150 final boolean startCopy() { 15151 boolean res; 15152 try { 15153 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 15154 15155 if (++mRetries > MAX_RETRIES) { 15156 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 15157 mHandler.sendEmptyMessage(MCS_GIVE_UP); 15158 handleServiceError(); 15159 return false; 15160 } else { 15161 handleStartCopy(); 15162 res = true; 15163 } 15164 } catch (RemoteException e) { 15165 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 15166 mHandler.sendEmptyMessage(MCS_RECONNECT); 15167 res = false; 15168 } 15169 handleReturnCode(); 15170 return res; 15171 } 15172 15173 final void serviceError() { 15174 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 15175 handleServiceError(); 15176 handleReturnCode(); 15177 } 15178 15179 abstract void handleStartCopy() throws RemoteException; 15180 abstract void handleServiceError(); 15181 abstract void handleReturnCode(); 15182 } 15183 15184 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 15185 for (File path : paths) { 15186 try { 15187 mcs.clearDirectory(path.getAbsolutePath()); 15188 } catch (RemoteException e) { 15189 } 15190 } 15191 } 15192 15193 static class OriginInfo { 15194 /** 15195 * Location where install is coming from, before it has been 15196 * copied/renamed into place. This could be a single monolithic APK 15197 * file, or a cluster directory. This location may be untrusted. 15198 */ 15199 final File file; 15200 final String cid; 15201 15202 /** 15203 * Flag indicating that {@link #file} or {@link #cid} has already been 15204 * staged, meaning downstream users don't need to defensively copy the 15205 * contents. 15206 */ 15207 final boolean staged; 15208 15209 /** 15210 * Flag indicating that {@link #file} or {@link #cid} is an already 15211 * installed app that is being moved. 15212 */ 15213 final boolean existing; 15214 15215 final String resolvedPath; 15216 final File resolvedFile; 15217 15218 static OriginInfo fromNothing() { 15219 return new OriginInfo(null, null, false, false); 15220 } 15221 15222 static OriginInfo fromUntrustedFile(File file) { 15223 return new OriginInfo(file, null, false, false); 15224 } 15225 15226 static OriginInfo fromExistingFile(File file) { 15227 return new OriginInfo(file, null, false, true); 15228 } 15229 15230 static OriginInfo fromStagedFile(File file) { 15231 return new OriginInfo(file, null, true, false); 15232 } 15233 15234 static OriginInfo fromStagedContainer(String cid) { 15235 return new OriginInfo(null, cid, true, false); 15236 } 15237 15238 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 15239 this.file = file; 15240 this.cid = cid; 15241 this.staged = staged; 15242 this.existing = existing; 15243 15244 if (cid != null) { 15245 resolvedPath = PackageHelper.getSdDir(cid); 15246 resolvedFile = new File(resolvedPath); 15247 } else if (file != null) { 15248 resolvedPath = file.getAbsolutePath(); 15249 resolvedFile = file; 15250 } else { 15251 resolvedPath = null; 15252 resolvedFile = null; 15253 } 15254 } 15255 } 15256 15257 static class MoveInfo { 15258 final int moveId; 15259 final String fromUuid; 15260 final String toUuid; 15261 final String packageName; 15262 final String dataAppName; 15263 final int appId; 15264 final String seinfo; 15265 final int targetSdkVersion; 15266 15267 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 15268 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 15269 this.moveId = moveId; 15270 this.fromUuid = fromUuid; 15271 this.toUuid = toUuid; 15272 this.packageName = packageName; 15273 this.dataAppName = dataAppName; 15274 this.appId = appId; 15275 this.seinfo = seinfo; 15276 this.targetSdkVersion = targetSdkVersion; 15277 } 15278 } 15279 15280 static class VerificationInfo { 15281 /** A constant used to indicate that a uid value is not present. */ 15282 public static final int NO_UID = -1; 15283 15284 /** URI referencing where the package was downloaded from. */ 15285 final Uri originatingUri; 15286 15287 /** HTTP referrer URI associated with the originatingURI. */ 15288 final Uri referrer; 15289 15290 /** UID of the application that the install request originated from. */ 15291 final int originatingUid; 15292 15293 /** UID of application requesting the install */ 15294 final int installerUid; 15295 15296 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 15297 this.originatingUri = originatingUri; 15298 this.referrer = referrer; 15299 this.originatingUid = originatingUid; 15300 this.installerUid = installerUid; 15301 } 15302 } 15303 15304 class InstallParams extends HandlerParams { 15305 final OriginInfo origin; 15306 final MoveInfo move; 15307 final IPackageInstallObserver2 observer; 15308 int installFlags; 15309 final String installerPackageName; 15310 final String volumeUuid; 15311 private InstallArgs mArgs; 15312 private int mRet; 15313 final String packageAbiOverride; 15314 final String[] grantedRuntimePermissions; 15315 final VerificationInfo verificationInfo; 15316 final Certificate[][] certificates; 15317 final int installReason; 15318 15319 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 15320 int installFlags, String installerPackageName, String volumeUuid, 15321 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 15322 String[] grantedPermissions, Certificate[][] certificates, int installReason) { 15323 super(user); 15324 this.origin = origin; 15325 this.move = move; 15326 this.observer = observer; 15327 this.installFlags = installFlags; 15328 this.installerPackageName = installerPackageName; 15329 this.volumeUuid = volumeUuid; 15330 this.verificationInfo = verificationInfo; 15331 this.packageAbiOverride = packageAbiOverride; 15332 this.grantedRuntimePermissions = grantedPermissions; 15333 this.certificates = certificates; 15334 this.installReason = installReason; 15335 } 15336 15337 @Override 15338 public String toString() { 15339 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 15340 + " file=" + origin.file + " cid=" + origin.cid + "}"; 15341 } 15342 15343 private int installLocationPolicy(PackageInfoLite pkgLite) { 15344 String packageName = pkgLite.packageName; 15345 int installLocation = pkgLite.installLocation; 15346 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 15347 // reader 15348 synchronized (mPackages) { 15349 // Currently installed package which the new package is attempting to replace or 15350 // null if no such package is installed. 15351 PackageParser.Package installedPkg = mPackages.get(packageName); 15352 // Package which currently owns the data which the new package will own if installed. 15353 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 15354 // will be null whereas dataOwnerPkg will contain information about the package 15355 // which was uninstalled while keeping its data. 15356 PackageParser.Package dataOwnerPkg = installedPkg; 15357 if (dataOwnerPkg == null) { 15358 PackageSetting ps = mSettings.mPackages.get(packageName); 15359 if (ps != null) { 15360 dataOwnerPkg = ps.pkg; 15361 } 15362 } 15363 15364 if (dataOwnerPkg != null) { 15365 // If installed, the package will get access to data left on the device by its 15366 // predecessor. As a security measure, this is permited only if this is not a 15367 // version downgrade or if the predecessor package is marked as debuggable and 15368 // a downgrade is explicitly requested. 15369 // 15370 // On debuggable platform builds, downgrades are permitted even for 15371 // non-debuggable packages to make testing easier. Debuggable platform builds do 15372 // not offer security guarantees and thus it's OK to disable some security 15373 // mechanisms to make debugging/testing easier on those builds. However, even on 15374 // debuggable builds downgrades of packages are permitted only if requested via 15375 // installFlags. This is because we aim to keep the behavior of debuggable 15376 // platform builds as close as possible to the behavior of non-debuggable 15377 // platform builds. 15378 final boolean downgradeRequested = 15379 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 15380 final boolean packageDebuggable = 15381 (dataOwnerPkg.applicationInfo.flags 15382 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 15383 final boolean downgradePermitted = 15384 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 15385 if (!downgradePermitted) { 15386 try { 15387 checkDowngrade(dataOwnerPkg, pkgLite); 15388 } catch (PackageManagerException e) { 15389 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 15390 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 15391 } 15392 } 15393 } 15394 15395 if (installedPkg != null) { 15396 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 15397 // Check for updated system application. 15398 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 15399 if (onSd) { 15400 Slog.w(TAG, "Cannot install update to system app on sdcard"); 15401 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 15402 } 15403 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 15404 } else { 15405 if (onSd) { 15406 // Install flag overrides everything. 15407 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 15408 } 15409 // If current upgrade specifies particular preference 15410 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 15411 // Application explicitly specified internal. 15412 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 15413 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 15414 // App explictly prefers external. Let policy decide 15415 } else { 15416 // Prefer previous location 15417 if (isExternal(installedPkg)) { 15418 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 15419 } 15420 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 15421 } 15422 } 15423 } else { 15424 // Invalid install. Return error code 15425 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 15426 } 15427 } 15428 } 15429 // All the special cases have been taken care of. 15430 // Return result based on recommended install location. 15431 if (onSd) { 15432 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 15433 } 15434 return pkgLite.recommendedInstallLocation; 15435 } 15436 15437 /* 15438 * Invoke remote method to get package information and install 15439 * location values. Override install location based on default 15440 * policy if needed and then create install arguments based 15441 * on the install location. 15442 */ 15443 public void handleStartCopy() throws RemoteException { 15444 int ret = PackageManager.INSTALL_SUCCEEDED; 15445 15446 // If we're already staged, we've firmly committed to an install location 15447 if (origin.staged) { 15448 if (origin.file != null) { 15449 installFlags |= PackageManager.INSTALL_INTERNAL; 15450 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 15451 } else if (origin.cid != null) { 15452 installFlags |= PackageManager.INSTALL_EXTERNAL; 15453 installFlags &= ~PackageManager.INSTALL_INTERNAL; 15454 } else { 15455 throw new IllegalStateException("Invalid stage location"); 15456 } 15457 } 15458 15459 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 15460 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 15461 final boolean ephemeral = (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 15462 PackageInfoLite pkgLite = null; 15463 15464 if (onInt && onSd) { 15465 // Check if both bits are set. 15466 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 15467 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 15468 } else if (onSd && ephemeral) { 15469 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 15470 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 15471 } else { 15472 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 15473 packageAbiOverride); 15474 15475 if (DEBUG_EPHEMERAL && ephemeral) { 15476 Slog.v(TAG, "pkgLite for install: " + pkgLite); 15477 } 15478 15479 /* 15480 * If we have too little free space, try to free cache 15481 * before giving up. 15482 */ 15483 if (!origin.staged && pkgLite.recommendedInstallLocation 15484 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 15485 // TODO: focus freeing disk space on the target device 15486 final StorageManager storage = StorageManager.from(mContext); 15487 final long lowThreshold = storage.getStorageLowBytes( 15488 Environment.getDataDirectory()); 15489 15490 final long sizeBytes = mContainerService.calculateInstalledSize( 15491 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 15492 15493 try { 15494 mInstaller.freeCache(null, sizeBytes + lowThreshold, 0); 15495 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 15496 installFlags, packageAbiOverride); 15497 } catch (InstallerException e) { 15498 Slog.w(TAG, "Failed to free cache", e); 15499 } 15500 15501 /* 15502 * The cache free must have deleted the file we 15503 * downloaded to install. 15504 * 15505 * TODO: fix the "freeCache" call to not delete 15506 * the file we care about. 15507 */ 15508 if (pkgLite.recommendedInstallLocation 15509 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 15510 pkgLite.recommendedInstallLocation 15511 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 15512 } 15513 } 15514 } 15515 15516 if (ret == PackageManager.INSTALL_SUCCEEDED) { 15517 int loc = pkgLite.recommendedInstallLocation; 15518 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 15519 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 15520 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 15521 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 15522 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 15523 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 15524 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 15525 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 15526 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 15527 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 15528 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 15529 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 15530 } else { 15531 // Override with defaults if needed. 15532 loc = installLocationPolicy(pkgLite); 15533 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 15534 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 15535 } else if (!onSd && !onInt) { 15536 // Override install location with flags 15537 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 15538 // Set the flag to install on external media. 15539 installFlags |= PackageManager.INSTALL_EXTERNAL; 15540 installFlags &= ~PackageManager.INSTALL_INTERNAL; 15541 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 15542 if (DEBUG_EPHEMERAL) { 15543 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 15544 } 15545 installFlags |= PackageManager.INSTALL_INSTANT_APP; 15546 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 15547 |PackageManager.INSTALL_INTERNAL); 15548 } else { 15549 // Make sure the flag for installing on external 15550 // media is unset 15551 installFlags |= PackageManager.INSTALL_INTERNAL; 15552 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 15553 } 15554 } 15555 } 15556 } 15557 15558 final InstallArgs args = createInstallArgs(this); 15559 mArgs = args; 15560 15561 if (ret == PackageManager.INSTALL_SUCCEEDED) { 15562 // TODO: http://b/22976637 15563 // Apps installed for "all" users use the device owner to verify the app 15564 UserHandle verifierUser = getUser(); 15565 if (verifierUser == UserHandle.ALL) { 15566 verifierUser = UserHandle.SYSTEM; 15567 } 15568 15569 /* 15570 * Determine if we have any installed package verifiers. If we 15571 * do, then we'll defer to them to verify the packages. 15572 */ 15573 final int requiredUid = mRequiredVerifierPackage == null ? -1 15574 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 15575 verifierUser.getIdentifier()); 15576 if (!origin.existing && requiredUid != -1 15577 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 15578 final Intent verification = new Intent( 15579 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 15580 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 15581 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 15582 PACKAGE_MIME_TYPE); 15583 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 15584 15585 // Query all live verifiers based on current user state 15586 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 15587 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 15588 15589 if (DEBUG_VERIFY) { 15590 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 15591 + verification.toString() + " with " + pkgLite.verifiers.length 15592 + " optional verifiers"); 15593 } 15594 15595 final int verificationId = mPendingVerificationToken++; 15596 15597 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 15598 15599 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 15600 installerPackageName); 15601 15602 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 15603 installFlags); 15604 15605 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 15606 pkgLite.packageName); 15607 15608 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 15609 pkgLite.versionCode); 15610 15611 if (verificationInfo != null) { 15612 if (verificationInfo.originatingUri != null) { 15613 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 15614 verificationInfo.originatingUri); 15615 } 15616 if (verificationInfo.referrer != null) { 15617 verification.putExtra(Intent.EXTRA_REFERRER, 15618 verificationInfo.referrer); 15619 } 15620 if (verificationInfo.originatingUid >= 0) { 15621 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 15622 verificationInfo.originatingUid); 15623 } 15624 if (verificationInfo.installerUid >= 0) { 15625 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 15626 verificationInfo.installerUid); 15627 } 15628 } 15629 15630 final PackageVerificationState verificationState = new PackageVerificationState( 15631 requiredUid, args); 15632 15633 mPendingVerification.append(verificationId, verificationState); 15634 15635 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 15636 receivers, verificationState); 15637 15638 DeviceIdleController.LocalService idleController = getDeviceIdleController(); 15639 final long idleDuration = getVerificationTimeout(); 15640 15641 /* 15642 * If any sufficient verifiers were listed in the package 15643 * manifest, attempt to ask them. 15644 */ 15645 if (sufficientVerifiers != null) { 15646 final int N = sufficientVerifiers.size(); 15647 if (N == 0) { 15648 Slog.i(TAG, "Additional verifiers required, but none installed."); 15649 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 15650 } else { 15651 for (int i = 0; i < N; i++) { 15652 final ComponentName verifierComponent = sufficientVerifiers.get(i); 15653 idleController.addPowerSaveTempWhitelistApp(Process.myUid(), 15654 verifierComponent.getPackageName(), idleDuration, 15655 verifierUser.getIdentifier(), false, "package verifier"); 15656 15657 final Intent sufficientIntent = new Intent(verification); 15658 sufficientIntent.setComponent(verifierComponent); 15659 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 15660 } 15661 } 15662 } 15663 15664 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 15665 mRequiredVerifierPackage, receivers); 15666 if (ret == PackageManager.INSTALL_SUCCEEDED 15667 && mRequiredVerifierPackage != null) { 15668 Trace.asyncTraceBegin( 15669 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 15670 /* 15671 * Send the intent to the required verification agent, 15672 * but only start the verification timeout after the 15673 * target BroadcastReceivers have run. 15674 */ 15675 verification.setComponent(requiredVerifierComponent); 15676 idleController.addPowerSaveTempWhitelistApp(Process.myUid(), 15677 mRequiredVerifierPackage, idleDuration, 15678 verifierUser.getIdentifier(), false, "package verifier"); 15679 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 15680 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 15681 new BroadcastReceiver() { 15682 @Override 15683 public void onReceive(Context context, Intent intent) { 15684 final Message msg = mHandler 15685 .obtainMessage(CHECK_PENDING_VERIFICATION); 15686 msg.arg1 = verificationId; 15687 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 15688 } 15689 }, null, 0, null, null); 15690 15691 /* 15692 * We don't want the copy to proceed until verification 15693 * succeeds, so null out this field. 15694 */ 15695 mArgs = null; 15696 } 15697 } else { 15698 /* 15699 * No package verification is enabled, so immediately start 15700 * the remote call to initiate copy using temporary file. 15701 */ 15702 ret = args.copyApk(mContainerService, true); 15703 } 15704 } 15705 15706 mRet = ret; 15707 } 15708 15709 @Override 15710 void handleReturnCode() { 15711 // If mArgs is null, then MCS couldn't be reached. When it 15712 // reconnects, it will try again to install. At that point, this 15713 // will succeed. 15714 if (mArgs != null) { 15715 processPendingInstall(mArgs, mRet); 15716 } 15717 } 15718 15719 @Override 15720 void handleServiceError() { 15721 mArgs = createInstallArgs(this); 15722 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 15723 } 15724 15725 public boolean isForwardLocked() { 15726 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 15727 } 15728 } 15729 15730 /** 15731 * Used during creation of InstallArgs 15732 * 15733 * @param installFlags package installation flags 15734 * @return true if should be installed on external storage 15735 */ 15736 private static boolean installOnExternalAsec(int installFlags) { 15737 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 15738 return false; 15739 } 15740 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 15741 return true; 15742 } 15743 return false; 15744 } 15745 15746 /** 15747 * Used during creation of InstallArgs 15748 * 15749 * @param installFlags package installation flags 15750 * @return true if should be installed as forward locked 15751 */ 15752 private static boolean installForwardLocked(int installFlags) { 15753 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 15754 } 15755 15756 private InstallArgs createInstallArgs(InstallParams params) { 15757 if (params.move != null) { 15758 return new MoveInstallArgs(params); 15759 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 15760 return new AsecInstallArgs(params); 15761 } else { 15762 return new FileInstallArgs(params); 15763 } 15764 } 15765 15766 /** 15767 * Create args that describe an existing installed package. Typically used 15768 * when cleaning up old installs, or used as a move source. 15769 */ 15770 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 15771 String resourcePath, String[] instructionSets) { 15772 final boolean isInAsec; 15773 if (installOnExternalAsec(installFlags)) { 15774 /* Apps on SD card are always in ASEC containers. */ 15775 isInAsec = true; 15776 } else if (installForwardLocked(installFlags) 15777 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 15778 /* 15779 * Forward-locked apps are only in ASEC containers if they're the 15780 * new style 15781 */ 15782 isInAsec = true; 15783 } else { 15784 isInAsec = false; 15785 } 15786 15787 if (isInAsec) { 15788 return new AsecInstallArgs(codePath, instructionSets, 15789 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 15790 } else { 15791 return new FileInstallArgs(codePath, resourcePath, instructionSets); 15792 } 15793 } 15794 15795 static abstract class InstallArgs { 15796 /** @see InstallParams#origin */ 15797 final OriginInfo origin; 15798 /** @see InstallParams#move */ 15799 final MoveInfo move; 15800 15801 final IPackageInstallObserver2 observer; 15802 // Always refers to PackageManager flags only 15803 final int installFlags; 15804 final String installerPackageName; 15805 final String volumeUuid; 15806 final UserHandle user; 15807 final String abiOverride; 15808 final String[] installGrantPermissions; 15809 /** If non-null, drop an async trace when the install completes */ 15810 final String traceMethod; 15811 final int traceCookie; 15812 final Certificate[][] certificates; 15813 final int installReason; 15814 15815 // The list of instruction sets supported by this app. This is currently 15816 // only used during the rmdex() phase to clean up resources. We can get rid of this 15817 // if we move dex files under the common app path. 15818 /* nullable */ String[] instructionSets; 15819 15820 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 15821 int installFlags, String installerPackageName, String volumeUuid, 15822 UserHandle user, String[] instructionSets, 15823 String abiOverride, String[] installGrantPermissions, 15824 String traceMethod, int traceCookie, Certificate[][] certificates, 15825 int installReason) { 15826 this.origin = origin; 15827 this.move = move; 15828 this.installFlags = installFlags; 15829 this.observer = observer; 15830 this.installerPackageName = installerPackageName; 15831 this.volumeUuid = volumeUuid; 15832 this.user = user; 15833 this.instructionSets = instructionSets; 15834 this.abiOverride = abiOverride; 15835 this.installGrantPermissions = installGrantPermissions; 15836 this.traceMethod = traceMethod; 15837 this.traceCookie = traceCookie; 15838 this.certificates = certificates; 15839 this.installReason = installReason; 15840 } 15841 15842 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 15843 abstract int doPreInstall(int status); 15844 15845 /** 15846 * Rename package into final resting place. All paths on the given 15847 * scanned package should be updated to reflect the rename. 15848 */ 15849 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 15850 abstract int doPostInstall(int status, int uid); 15851 15852 /** @see PackageSettingBase#codePathString */ 15853 abstract String getCodePath(); 15854 /** @see PackageSettingBase#resourcePathString */ 15855 abstract String getResourcePath(); 15856 15857 // Need installer lock especially for dex file removal. 15858 abstract void cleanUpResourcesLI(); 15859 abstract boolean doPostDeleteLI(boolean delete); 15860 15861 /** 15862 * Called before the source arguments are copied. This is used mostly 15863 * for MoveParams when it needs to read the source file to put it in the 15864 * destination. 15865 */ 15866 int doPreCopy() { 15867 return PackageManager.INSTALL_SUCCEEDED; 15868 } 15869 15870 /** 15871 * Called after the source arguments are copied. This is used mostly for 15872 * MoveParams when it needs to read the source file to put it in the 15873 * destination. 15874 */ 15875 int doPostCopy(int uid) { 15876 return PackageManager.INSTALL_SUCCEEDED; 15877 } 15878 15879 protected boolean isFwdLocked() { 15880 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 15881 } 15882 15883 protected boolean isExternalAsec() { 15884 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 15885 } 15886 15887 protected boolean isEphemeral() { 15888 return (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 15889 } 15890 15891 UserHandle getUser() { 15892 return user; 15893 } 15894 } 15895 15896 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 15897 if (!allCodePaths.isEmpty()) { 15898 if (instructionSets == null) { 15899 throw new IllegalStateException("instructionSet == null"); 15900 } 15901 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 15902 for (String codePath : allCodePaths) { 15903 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 15904 try { 15905 mInstaller.rmdex(codePath, dexCodeInstructionSet); 15906 } catch (InstallerException ignored) { 15907 } 15908 } 15909 } 15910 } 15911 } 15912 15913 /** 15914 * Logic to handle installation of non-ASEC applications, including copying 15915 * and renaming logic. 15916 */ 15917 class FileInstallArgs extends InstallArgs { 15918 private File codeFile; 15919 private File resourceFile; 15920 15921 // Example topology: 15922 // /data/app/com.example/base.apk 15923 // /data/app/com.example/split_foo.apk 15924 // /data/app/com.example/lib/arm/libfoo.so 15925 // /data/app/com.example/lib/arm64/libfoo.so 15926 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 15927 15928 /** New install */ 15929 FileInstallArgs(InstallParams params) { 15930 super(params.origin, params.move, params.observer, params.installFlags, 15931 params.installerPackageName, params.volumeUuid, 15932 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 15933 params.grantedRuntimePermissions, 15934 params.traceMethod, params.traceCookie, params.certificates, 15935 params.installReason); 15936 if (isFwdLocked()) { 15937 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 15938 } 15939 } 15940 15941 /** Existing install */ 15942 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 15943 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 15944 null, null, null, 0, null /*certificates*/, 15945 PackageManager.INSTALL_REASON_UNKNOWN); 15946 this.codeFile = (codePath != null) ? new File(codePath) : null; 15947 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 15948 } 15949 15950 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 15951 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 15952 try { 15953 return doCopyApk(imcs, temp); 15954 } finally { 15955 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15956 } 15957 } 15958 15959 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 15960 if (origin.staged) { 15961 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 15962 codeFile = origin.file; 15963 resourceFile = origin.file; 15964 return PackageManager.INSTALL_SUCCEEDED; 15965 } 15966 15967 try { 15968 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 15969 final File tempDir = 15970 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 15971 codeFile = tempDir; 15972 resourceFile = tempDir; 15973 } catch (IOException e) { 15974 Slog.w(TAG, "Failed to create copy file: " + e); 15975 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 15976 } 15977 15978 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 15979 @Override 15980 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 15981 if (!FileUtils.isValidExtFilename(name)) { 15982 throw new IllegalArgumentException("Invalid filename: " + name); 15983 } 15984 try { 15985 final File file = new File(codeFile, name); 15986 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 15987 O_RDWR | O_CREAT, 0644); 15988 Os.chmod(file.getAbsolutePath(), 0644); 15989 return new ParcelFileDescriptor(fd); 15990 } catch (ErrnoException e) { 15991 throw new RemoteException("Failed to open: " + e.getMessage()); 15992 } 15993 } 15994 }; 15995 15996 int ret = PackageManager.INSTALL_SUCCEEDED; 15997 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 15998 if (ret != PackageManager.INSTALL_SUCCEEDED) { 15999 Slog.e(TAG, "Failed to copy package"); 16000 return ret; 16001 } 16002 16003 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 16004 NativeLibraryHelper.Handle handle = null; 16005 try { 16006 handle = NativeLibraryHelper.Handle.create(codeFile); 16007 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 16008 abiOverride); 16009 } catch (IOException e) { 16010 Slog.e(TAG, "Copying native libraries failed", e); 16011 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 16012 } finally { 16013 IoUtils.closeQuietly(handle); 16014 } 16015 16016 return ret; 16017 } 16018 16019 int doPreInstall(int status) { 16020 if (status != PackageManager.INSTALL_SUCCEEDED) { 16021 cleanUp(); 16022 } 16023 return status; 16024 } 16025 16026 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 16027 if (status != PackageManager.INSTALL_SUCCEEDED) { 16028 cleanUp(); 16029 return false; 16030 } 16031 16032 final File targetDir = codeFile.getParentFile(); 16033 final File beforeCodeFile = codeFile; 16034 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 16035 16036 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 16037 try { 16038 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 16039 } catch (ErrnoException e) { 16040 Slog.w(TAG, "Failed to rename", e); 16041 return false; 16042 } 16043 16044 if (!SELinux.restoreconRecursive(afterCodeFile)) { 16045 Slog.w(TAG, "Failed to restorecon"); 16046 return false; 16047 } 16048 16049 // Reflect the rename internally 16050 codeFile = afterCodeFile; 16051 resourceFile = afterCodeFile; 16052 16053 // Reflect the rename in scanned details 16054 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 16055 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 16056 afterCodeFile, pkg.baseCodePath)); 16057 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 16058 afterCodeFile, pkg.splitCodePaths)); 16059 16060 // Reflect the rename in app info 16061 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 16062 pkg.setApplicationInfoCodePath(pkg.codePath); 16063 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 16064 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 16065 pkg.setApplicationInfoResourcePath(pkg.codePath); 16066 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 16067 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 16068 16069 return true; 16070 } 16071 16072 int doPostInstall(int status, int uid) { 16073 if (status != PackageManager.INSTALL_SUCCEEDED) { 16074 cleanUp(); 16075 } 16076 return status; 16077 } 16078 16079 @Override 16080 String getCodePath() { 16081 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 16082 } 16083 16084 @Override 16085 String getResourcePath() { 16086 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 16087 } 16088 16089 private boolean cleanUp() { 16090 if (codeFile == null || !codeFile.exists()) { 16091 return false; 16092 } 16093 16094 removeCodePathLI(codeFile); 16095 16096 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 16097 resourceFile.delete(); 16098 } 16099 16100 return true; 16101 } 16102 16103 void cleanUpResourcesLI() { 16104 // Try enumerating all code paths before deleting 16105 List<String> allCodePaths = Collections.EMPTY_LIST; 16106 if (codeFile != null && codeFile.exists()) { 16107 try { 16108 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 16109 allCodePaths = pkg.getAllCodePaths(); 16110 } catch (PackageParserException e) { 16111 // Ignored; we tried our best 16112 } 16113 } 16114 16115 cleanUp(); 16116 removeDexFiles(allCodePaths, instructionSets); 16117 } 16118 16119 boolean doPostDeleteLI(boolean delete) { 16120 // XXX err, shouldn't we respect the delete flag? 16121 cleanUpResourcesLI(); 16122 return true; 16123 } 16124 } 16125 16126 private boolean isAsecExternal(String cid) { 16127 final String asecPath = PackageHelper.getSdFilesystem(cid); 16128 return !asecPath.startsWith(mAsecInternalPath); 16129 } 16130 16131 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 16132 PackageManagerException { 16133 if (copyRet < 0) { 16134 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 16135 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 16136 throw new PackageManagerException(copyRet, message); 16137 } 16138 } 16139 } 16140 16141 /** 16142 * Extract the StorageManagerService "container ID" from the full code path of an 16143 * .apk. 16144 */ 16145 static String cidFromCodePath(String fullCodePath) { 16146 int eidx = fullCodePath.lastIndexOf("/"); 16147 String subStr1 = fullCodePath.substring(0, eidx); 16148 int sidx = subStr1.lastIndexOf("/"); 16149 return subStr1.substring(sidx+1, eidx); 16150 } 16151 16152 /** 16153 * Logic to handle installation of ASEC applications, including copying and 16154 * renaming logic. 16155 */ 16156 class AsecInstallArgs extends InstallArgs { 16157 static final String RES_FILE_NAME = "pkg.apk"; 16158 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 16159 16160 String cid; 16161 String packagePath; 16162 String resourcePath; 16163 16164 /** New install */ 16165 AsecInstallArgs(InstallParams params) { 16166 super(params.origin, params.move, params.observer, params.installFlags, 16167 params.installerPackageName, params.volumeUuid, 16168 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 16169 params.grantedRuntimePermissions, 16170 params.traceMethod, params.traceCookie, params.certificates, 16171 params.installReason); 16172 } 16173 16174 /** Existing install */ 16175 AsecInstallArgs(String fullCodePath, String[] instructionSets, 16176 boolean isExternal, boolean isForwardLocked) { 16177 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 16178 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 16179 instructionSets, null, null, null, 0, null /*certificates*/, 16180 PackageManager.INSTALL_REASON_UNKNOWN); 16181 // Hackily pretend we're still looking at a full code path 16182 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 16183 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 16184 } 16185 16186 // Extract cid from fullCodePath 16187 int eidx = fullCodePath.lastIndexOf("/"); 16188 String subStr1 = fullCodePath.substring(0, eidx); 16189 int sidx = subStr1.lastIndexOf("/"); 16190 cid = subStr1.substring(sidx+1, eidx); 16191 setMountPath(subStr1); 16192 } 16193 16194 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 16195 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 16196 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 16197 instructionSets, null, null, null, 0, null /*certificates*/, 16198 PackageManager.INSTALL_REASON_UNKNOWN); 16199 this.cid = cid; 16200 setMountPath(PackageHelper.getSdDir(cid)); 16201 } 16202 16203 void createCopyFile() { 16204 cid = mInstallerService.allocateExternalStageCidLegacy(); 16205 } 16206 16207 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 16208 if (origin.staged && origin.cid != null) { 16209 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 16210 cid = origin.cid; 16211 setMountPath(PackageHelper.getSdDir(cid)); 16212 return PackageManager.INSTALL_SUCCEEDED; 16213 } 16214 16215 if (temp) { 16216 createCopyFile(); 16217 } else { 16218 /* 16219 * Pre-emptively destroy the container since it's destroyed if 16220 * copying fails due to it existing anyway. 16221 */ 16222 PackageHelper.destroySdDir(cid); 16223 } 16224 16225 final String newMountPath = imcs.copyPackageToContainer( 16226 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 16227 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 16228 16229 if (newMountPath != null) { 16230 setMountPath(newMountPath); 16231 return PackageManager.INSTALL_SUCCEEDED; 16232 } else { 16233 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 16234 } 16235 } 16236 16237 @Override 16238 String getCodePath() { 16239 return packagePath; 16240 } 16241 16242 @Override 16243 String getResourcePath() { 16244 return resourcePath; 16245 } 16246 16247 int doPreInstall(int status) { 16248 if (status != PackageManager.INSTALL_SUCCEEDED) { 16249 // Destroy container 16250 PackageHelper.destroySdDir(cid); 16251 } else { 16252 boolean mounted = PackageHelper.isContainerMounted(cid); 16253 if (!mounted) { 16254 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 16255 Process.SYSTEM_UID); 16256 if (newMountPath != null) { 16257 setMountPath(newMountPath); 16258 } else { 16259 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 16260 } 16261 } 16262 } 16263 return status; 16264 } 16265 16266 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 16267 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 16268 String newMountPath = null; 16269 if (PackageHelper.isContainerMounted(cid)) { 16270 // Unmount the container 16271 if (!PackageHelper.unMountSdDir(cid)) { 16272 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 16273 return false; 16274 } 16275 } 16276 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 16277 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 16278 " which might be stale. Will try to clean up."); 16279 // Clean up the stale container and proceed to recreate. 16280 if (!PackageHelper.destroySdDir(newCacheId)) { 16281 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 16282 return false; 16283 } 16284 // Successfully cleaned up stale container. Try to rename again. 16285 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 16286 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 16287 + " inspite of cleaning it up."); 16288 return false; 16289 } 16290 } 16291 if (!PackageHelper.isContainerMounted(newCacheId)) { 16292 Slog.w(TAG, "Mounting container " + newCacheId); 16293 newMountPath = PackageHelper.mountSdDir(newCacheId, 16294 getEncryptKey(), Process.SYSTEM_UID); 16295 } else { 16296 newMountPath = PackageHelper.getSdDir(newCacheId); 16297 } 16298 if (newMountPath == null) { 16299 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 16300 return false; 16301 } 16302 Log.i(TAG, "Succesfully renamed " + cid + 16303 " to " + newCacheId + 16304 " at new path: " + newMountPath); 16305 cid = newCacheId; 16306 16307 final File beforeCodeFile = new File(packagePath); 16308 setMountPath(newMountPath); 16309 final File afterCodeFile = new File(packagePath); 16310 16311 // Reflect the rename in scanned details 16312 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 16313 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 16314 afterCodeFile, pkg.baseCodePath)); 16315 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 16316 afterCodeFile, pkg.splitCodePaths)); 16317 16318 // Reflect the rename in app info 16319 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 16320 pkg.setApplicationInfoCodePath(pkg.codePath); 16321 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 16322 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 16323 pkg.setApplicationInfoResourcePath(pkg.codePath); 16324 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 16325 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 16326 16327 return true; 16328 } 16329 16330 private void setMountPath(String mountPath) { 16331 final File mountFile = new File(mountPath); 16332 16333 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 16334 if (monolithicFile.exists()) { 16335 packagePath = monolithicFile.getAbsolutePath(); 16336 if (isFwdLocked()) { 16337 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 16338 } else { 16339 resourcePath = packagePath; 16340 } 16341 } else { 16342 packagePath = mountFile.getAbsolutePath(); 16343 resourcePath = packagePath; 16344 } 16345 } 16346 16347 int doPostInstall(int status, int uid) { 16348 if (status != PackageManager.INSTALL_SUCCEEDED) { 16349 cleanUp(); 16350 } else { 16351 final int groupOwner; 16352 final String protectedFile; 16353 if (isFwdLocked()) { 16354 groupOwner = UserHandle.getSharedAppGid(uid); 16355 protectedFile = RES_FILE_NAME; 16356 } else { 16357 groupOwner = -1; 16358 protectedFile = null; 16359 } 16360 16361 if (uid < Process.FIRST_APPLICATION_UID 16362 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 16363 Slog.e(TAG, "Failed to finalize " + cid); 16364 PackageHelper.destroySdDir(cid); 16365 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 16366 } 16367 16368 boolean mounted = PackageHelper.isContainerMounted(cid); 16369 if (!mounted) { 16370 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 16371 } 16372 } 16373 return status; 16374 } 16375 16376 private void cleanUp() { 16377 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 16378 16379 // Destroy secure container 16380 PackageHelper.destroySdDir(cid); 16381 } 16382 16383 private List<String> getAllCodePaths() { 16384 final File codeFile = new File(getCodePath()); 16385 if (codeFile != null && codeFile.exists()) { 16386 try { 16387 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 16388 return pkg.getAllCodePaths(); 16389 } catch (PackageParserException e) { 16390 // Ignored; we tried our best 16391 } 16392 } 16393 return Collections.EMPTY_LIST; 16394 } 16395 16396 void cleanUpResourcesLI() { 16397 // Enumerate all code paths before deleting 16398 cleanUpResourcesLI(getAllCodePaths()); 16399 } 16400 16401 private void cleanUpResourcesLI(List<String> allCodePaths) { 16402 cleanUp(); 16403 removeDexFiles(allCodePaths, instructionSets); 16404 } 16405 16406 String getPackageName() { 16407 return getAsecPackageName(cid); 16408 } 16409 16410 boolean doPostDeleteLI(boolean delete) { 16411 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 16412 final List<String> allCodePaths = getAllCodePaths(); 16413 boolean mounted = PackageHelper.isContainerMounted(cid); 16414 if (mounted) { 16415 // Unmount first 16416 if (PackageHelper.unMountSdDir(cid)) { 16417 mounted = false; 16418 } 16419 } 16420 if (!mounted && delete) { 16421 cleanUpResourcesLI(allCodePaths); 16422 } 16423 return !mounted; 16424 } 16425 16426 @Override 16427 int doPreCopy() { 16428 if (isFwdLocked()) { 16429 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 16430 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 16431 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 16432 } 16433 } 16434 16435 return PackageManager.INSTALL_SUCCEEDED; 16436 } 16437 16438 @Override 16439 int doPostCopy(int uid) { 16440 if (isFwdLocked()) { 16441 if (uid < Process.FIRST_APPLICATION_UID 16442 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 16443 RES_FILE_NAME)) { 16444 Slog.e(TAG, "Failed to finalize " + cid); 16445 PackageHelper.destroySdDir(cid); 16446 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 16447 } 16448 } 16449 16450 return PackageManager.INSTALL_SUCCEEDED; 16451 } 16452 } 16453 16454 /** 16455 * Logic to handle movement of existing installed applications. 16456 */ 16457 class MoveInstallArgs extends InstallArgs { 16458 private File codeFile; 16459 private File resourceFile; 16460 16461 /** New install */ 16462 MoveInstallArgs(InstallParams params) { 16463 super(params.origin, params.move, params.observer, params.installFlags, 16464 params.installerPackageName, params.volumeUuid, 16465 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 16466 params.grantedRuntimePermissions, 16467 params.traceMethod, params.traceCookie, params.certificates, 16468 params.installReason); 16469 } 16470 16471 int copyApk(IMediaContainerService imcs, boolean temp) { 16472 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 16473 + move.fromUuid + " to " + move.toUuid); 16474 synchronized (mInstaller) { 16475 try { 16476 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 16477 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 16478 } catch (InstallerException e) { 16479 Slog.w(TAG, "Failed to move app", e); 16480 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 16481 } 16482 } 16483 16484 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 16485 resourceFile = codeFile; 16486 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 16487 16488 return PackageManager.INSTALL_SUCCEEDED; 16489 } 16490 16491 int doPreInstall(int status) { 16492 if (status != PackageManager.INSTALL_SUCCEEDED) { 16493 cleanUp(move.toUuid); 16494 } 16495 return status; 16496 } 16497 16498 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 16499 if (status != PackageManager.INSTALL_SUCCEEDED) { 16500 cleanUp(move.toUuid); 16501 return false; 16502 } 16503 16504 // Reflect the move in app info 16505 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 16506 pkg.setApplicationInfoCodePath(pkg.codePath); 16507 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 16508 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 16509 pkg.setApplicationInfoResourcePath(pkg.codePath); 16510 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 16511 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 16512 16513 return true; 16514 } 16515 16516 int doPostInstall(int status, int uid) { 16517 if (status == PackageManager.INSTALL_SUCCEEDED) { 16518 cleanUp(move.fromUuid); 16519 } else { 16520 cleanUp(move.toUuid); 16521 } 16522 return status; 16523 } 16524 16525 @Override 16526 String getCodePath() { 16527 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 16528 } 16529 16530 @Override 16531 String getResourcePath() { 16532 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 16533 } 16534 16535 private boolean cleanUp(String volumeUuid) { 16536 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 16537 move.dataAppName); 16538 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 16539 final int[] userIds = sUserManager.getUserIds(); 16540 synchronized (mInstallLock) { 16541 // Clean up both app data and code 16542 // All package moves are frozen until finished 16543 for (int userId : userIds) { 16544 try { 16545 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 16546 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 16547 } catch (InstallerException e) { 16548 Slog.w(TAG, String.valueOf(e)); 16549 } 16550 } 16551 removeCodePathLI(codeFile); 16552 } 16553 return true; 16554 } 16555 16556 void cleanUpResourcesLI() { 16557 throw new UnsupportedOperationException(); 16558 } 16559 16560 boolean doPostDeleteLI(boolean delete) { 16561 throw new UnsupportedOperationException(); 16562 } 16563 } 16564 16565 static String getAsecPackageName(String packageCid) { 16566 int idx = packageCid.lastIndexOf("-"); 16567 if (idx == -1) { 16568 return packageCid; 16569 } 16570 return packageCid.substring(0, idx); 16571 } 16572 16573 // Utility method used to create code paths based on package name and available index. 16574 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 16575 String idxStr = ""; 16576 int idx = 1; 16577 // Fall back to default value of idx=1 if prefix is not 16578 // part of oldCodePath 16579 if (oldCodePath != null) { 16580 String subStr = oldCodePath; 16581 // Drop the suffix right away 16582 if (suffix != null && subStr.endsWith(suffix)) { 16583 subStr = subStr.substring(0, subStr.length() - suffix.length()); 16584 } 16585 // If oldCodePath already contains prefix find out the 16586 // ending index to either increment or decrement. 16587 int sidx = subStr.lastIndexOf(prefix); 16588 if (sidx != -1) { 16589 subStr = subStr.substring(sidx + prefix.length()); 16590 if (subStr != null) { 16591 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 16592 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 16593 } 16594 try { 16595 idx = Integer.parseInt(subStr); 16596 if (idx <= 1) { 16597 idx++; 16598 } else { 16599 idx--; 16600 } 16601 } catch(NumberFormatException e) { 16602 } 16603 } 16604 } 16605 } 16606 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 16607 return prefix + idxStr; 16608 } 16609 16610 private File getNextCodePath(File targetDir, String packageName) { 16611 File result; 16612 SecureRandom random = new SecureRandom(); 16613 byte[] bytes = new byte[16]; 16614 do { 16615 random.nextBytes(bytes); 16616 String suffix = Base64.encodeToString(bytes, Base64.URL_SAFE | Base64.NO_WRAP); 16617 result = new File(targetDir, packageName + "-" + suffix); 16618 } while (result.exists()); 16619 return result; 16620 } 16621 16622 // Utility method that returns the relative package path with respect 16623 // to the installation directory. Like say for /data/data/com.test-1.apk 16624 // string com.test-1 is returned. 16625 static String deriveCodePathName(String codePath) { 16626 if (codePath == null) { 16627 return null; 16628 } 16629 final File codeFile = new File(codePath); 16630 final String name = codeFile.getName(); 16631 if (codeFile.isDirectory()) { 16632 return name; 16633 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 16634 final int lastDot = name.lastIndexOf('.'); 16635 return name.substring(0, lastDot); 16636 } else { 16637 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 16638 return null; 16639 } 16640 } 16641 16642 static class PackageInstalledInfo { 16643 String name; 16644 int uid; 16645 // The set of users that originally had this package installed. 16646 int[] origUsers; 16647 // The set of users that now have this package installed. 16648 int[] newUsers; 16649 PackageParser.Package pkg; 16650 int returnCode; 16651 String returnMsg; 16652 PackageRemovedInfo removedInfo; 16653 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 16654 16655 public void setError(int code, String msg) { 16656 setReturnCode(code); 16657 setReturnMessage(msg); 16658 Slog.w(TAG, msg); 16659 } 16660 16661 public void setError(String msg, PackageParserException e) { 16662 setReturnCode(e.error); 16663 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 16664 Slog.w(TAG, msg, e); 16665 } 16666 16667 public void setError(String msg, PackageManagerException e) { 16668 returnCode = e.error; 16669 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 16670 Slog.w(TAG, msg, e); 16671 } 16672 16673 public void setReturnCode(int returnCode) { 16674 this.returnCode = returnCode; 16675 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 16676 for (int i = 0; i < childCount; i++) { 16677 addedChildPackages.valueAt(i).returnCode = returnCode; 16678 } 16679 } 16680 16681 private void setReturnMessage(String returnMsg) { 16682 this.returnMsg = returnMsg; 16683 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 16684 for (int i = 0; i < childCount; i++) { 16685 addedChildPackages.valueAt(i).returnMsg = returnMsg; 16686 } 16687 } 16688 16689 // In some error cases we want to convey more info back to the observer 16690 String origPackage; 16691 String origPermission; 16692 } 16693 16694 /* 16695 * Install a non-existing package. 16696 */ 16697 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 16698 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 16699 PackageInstalledInfo res, int installReason) { 16700 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 16701 16702 // Remember this for later, in case we need to rollback this install 16703 String pkgName = pkg.packageName; 16704 16705 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 16706 16707 synchronized(mPackages) { 16708 final String renamedPackage = mSettings.getRenamedPackageLPr(pkgName); 16709 if (renamedPackage != null) { 16710 // A package with the same name is already installed, though 16711 // it has been renamed to an older name. The package we 16712 // are trying to install should be installed as an update to 16713 // the existing one, but that has not been requested, so bail. 16714 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 16715 + " without first uninstalling package running as " 16716 + renamedPackage); 16717 return; 16718 } 16719 if (mPackages.containsKey(pkgName)) { 16720 // Don't allow installation over an existing package with the same name. 16721 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 16722 + " without first uninstalling."); 16723 return; 16724 } 16725 } 16726 16727 try { 16728 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 16729 System.currentTimeMillis(), user); 16730 16731 updateSettingsLI(newPackage, installerPackageName, null, res, user, installReason); 16732 16733 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 16734 prepareAppDataAfterInstallLIF(newPackage); 16735 16736 } else { 16737 // Remove package from internal structures, but keep around any 16738 // data that might have already existed 16739 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 16740 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 16741 } 16742 } catch (PackageManagerException e) { 16743 res.setError("Package couldn't be installed in " + pkg.codePath, e); 16744 } 16745 16746 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16747 } 16748 16749 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 16750 // Can't rotate keys during boot or if sharedUser. 16751 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 16752 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 16753 return false; 16754 } 16755 // app is using upgradeKeySets; make sure all are valid 16756 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16757 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 16758 for (int i = 0; i < upgradeKeySets.length; i++) { 16759 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 16760 Slog.wtf(TAG, "Package " 16761 + (oldPs.name != null ? oldPs.name : "<null>") 16762 + " contains upgrade-key-set reference to unknown key-set: " 16763 + upgradeKeySets[i] 16764 + " reverting to signatures check."); 16765 return false; 16766 } 16767 } 16768 return true; 16769 } 16770 16771 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 16772 // Upgrade keysets are being used. Determine if new package has a superset of the 16773 // required keys. 16774 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 16775 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16776 for (int i = 0; i < upgradeKeySets.length; i++) { 16777 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 16778 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 16779 return true; 16780 } 16781 } 16782 return false; 16783 } 16784 16785 private static void updateDigest(MessageDigest digest, File file) throws IOException { 16786 try (DigestInputStream digestStream = 16787 new DigestInputStream(new FileInputStream(file), digest)) { 16788 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 16789 } 16790 } 16791 16792 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 16793 UserHandle user, String installerPackageName, PackageInstalledInfo res, 16794 int installReason) { 16795 final boolean isInstantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 16796 16797 final PackageParser.Package oldPackage; 16798 final PackageSetting ps; 16799 final String pkgName = pkg.packageName; 16800 final int[] allUsers; 16801 final int[] installedUsers; 16802 16803 synchronized(mPackages) { 16804 oldPackage = mPackages.get(pkgName); 16805 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 16806 16807 // don't allow upgrade to target a release SDK from a pre-release SDK 16808 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 16809 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 16810 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 16811 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 16812 if (oldTargetsPreRelease 16813 && !newTargetsPreRelease 16814 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 16815 Slog.w(TAG, "Can't install package targeting released sdk"); 16816 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 16817 return; 16818 } 16819 16820 ps = mSettings.mPackages.get(pkgName); 16821 16822 // verify signatures are valid 16823 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 16824 if (!checkUpgradeKeySetLP(ps, pkg)) { 16825 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 16826 "New package not signed by keys specified by upgrade-keysets: " 16827 + pkgName); 16828 return; 16829 } 16830 } else { 16831 // default to original signature matching 16832 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 16833 != PackageManager.SIGNATURE_MATCH) { 16834 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 16835 "New package has a different signature: " + pkgName); 16836 return; 16837 } 16838 } 16839 16840 // don't allow a system upgrade unless the upgrade hash matches 16841 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 16842 byte[] digestBytes = null; 16843 try { 16844 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 16845 updateDigest(digest, new File(pkg.baseCodePath)); 16846 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 16847 for (String path : pkg.splitCodePaths) { 16848 updateDigest(digest, new File(path)); 16849 } 16850 } 16851 digestBytes = digest.digest(); 16852 } catch (NoSuchAlgorithmException | IOException e) { 16853 res.setError(INSTALL_FAILED_INVALID_APK, 16854 "Could not compute hash: " + pkgName); 16855 return; 16856 } 16857 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 16858 res.setError(INSTALL_FAILED_INVALID_APK, 16859 "New package fails restrict-update check: " + pkgName); 16860 return; 16861 } 16862 // retain upgrade restriction 16863 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 16864 } 16865 16866 // Check for shared user id changes 16867 String invalidPackageName = 16868 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 16869 if (invalidPackageName != null) { 16870 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 16871 "Package " + invalidPackageName + " tried to change user " 16872 + oldPackage.mSharedUserId); 16873 return; 16874 } 16875 16876 // In case of rollback, remember per-user/profile install state 16877 allUsers = sUserManager.getUserIds(); 16878 installedUsers = ps.queryInstalledUsers(allUsers, true); 16879 16880 // don't allow an upgrade from full to ephemeral 16881 if (isInstantApp) { 16882 if (user == null || user.getIdentifier() == UserHandle.USER_ALL) { 16883 for (int currentUser : allUsers) { 16884 if (!ps.getInstantApp(currentUser)) { 16885 // can't downgrade from full to instant 16886 Slog.w(TAG, "Can't replace full app with instant app: " + pkgName 16887 + " for user: " + currentUser); 16888 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 16889 return; 16890 } 16891 } 16892 } else if (!ps.getInstantApp(user.getIdentifier())) { 16893 // can't downgrade from full to instant 16894 Slog.w(TAG, "Can't replace full app with instant app: " + pkgName 16895 + " for user: " + user.getIdentifier()); 16896 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 16897 return; 16898 } 16899 } 16900 } 16901 16902 // Update what is removed 16903 res.removedInfo = new PackageRemovedInfo(this); 16904 res.removedInfo.uid = oldPackage.applicationInfo.uid; 16905 res.removedInfo.removedPackage = oldPackage.packageName; 16906 res.removedInfo.installerPackageName = ps.installerPackageName; 16907 res.removedInfo.isStaticSharedLib = pkg.staticSharedLibName != null; 16908 res.removedInfo.isUpdate = true; 16909 res.removedInfo.origUsers = installedUsers; 16910 res.removedInfo.installReasons = new SparseArray<>(installedUsers.length); 16911 for (int i = 0; i < installedUsers.length; i++) { 16912 final int userId = installedUsers[i]; 16913 res.removedInfo.installReasons.put(userId, ps.getInstallReason(userId)); 16914 } 16915 16916 final int childCount = (oldPackage.childPackages != null) 16917 ? oldPackage.childPackages.size() : 0; 16918 for (int i = 0; i < childCount; i++) { 16919 boolean childPackageUpdated = false; 16920 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 16921 final PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 16922 if (res.addedChildPackages != null) { 16923 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 16924 if (childRes != null) { 16925 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 16926 childRes.removedInfo.removedPackage = childPkg.packageName; 16927 if (childPs != null) { 16928 childRes.removedInfo.installerPackageName = childPs.installerPackageName; 16929 } 16930 childRes.removedInfo.isUpdate = true; 16931 childRes.removedInfo.installReasons = res.removedInfo.installReasons; 16932 childPackageUpdated = true; 16933 } 16934 } 16935 if (!childPackageUpdated) { 16936 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(this); 16937 childRemovedRes.removedPackage = childPkg.packageName; 16938 if (childPs != null) { 16939 childRemovedRes.installerPackageName = childPs.installerPackageName; 16940 } 16941 childRemovedRes.isUpdate = false; 16942 childRemovedRes.dataRemoved = true; 16943 synchronized (mPackages) { 16944 if (childPs != null) { 16945 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 16946 } 16947 } 16948 if (res.removedInfo.removedChildPackages == null) { 16949 res.removedInfo.removedChildPackages = new ArrayMap<>(); 16950 } 16951 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 16952 } 16953 } 16954 16955 boolean sysPkg = (isSystemApp(oldPackage)); 16956 if (sysPkg) { 16957 // Set the system/privileged flags as needed 16958 final boolean privileged = 16959 (oldPackage.applicationInfo.privateFlags 16960 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 16961 final int systemPolicyFlags = policyFlags 16962 | PackageParser.PARSE_IS_SYSTEM 16963 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 16964 16965 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 16966 user, allUsers, installerPackageName, res, installReason); 16967 } else { 16968 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 16969 user, allUsers, installerPackageName, res, installReason); 16970 } 16971 } 16972 16973 @Override 16974 public List<String> getPreviousCodePaths(String packageName) { 16975 final List<String> result = new ArrayList<>(); 16976 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 16977 return result; 16978 } 16979 final PackageSetting ps = mSettings.mPackages.get(packageName); 16980 if (ps != null && ps.oldCodePaths != null) { 16981 result.addAll(ps.oldCodePaths); 16982 } 16983 return result; 16984 } 16985 16986 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 16987 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 16988 int[] allUsers, String installerPackageName, PackageInstalledInfo res, 16989 int installReason) { 16990 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 16991 + deletedPackage); 16992 16993 String pkgName = deletedPackage.packageName; 16994 boolean deletedPkg = true; 16995 boolean addedPkg = false; 16996 boolean updatedSettings = false; 16997 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 16998 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 16999 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 17000 17001 final long origUpdateTime = (pkg.mExtras != null) 17002 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 17003 17004 // First delete the existing package while retaining the data directory 17005 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 17006 res.removedInfo, true, pkg)) { 17007 // If the existing package wasn't successfully deleted 17008 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 17009 deletedPkg = false; 17010 } else { 17011 // Successfully deleted the old package; proceed with replace. 17012 17013 // If deleted package lived in a container, give users a chance to 17014 // relinquish resources before killing. 17015 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 17016 if (DEBUG_INSTALL) { 17017 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 17018 } 17019 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 17020 final ArrayList<String> pkgList = new ArrayList<String>(1); 17021 pkgList.add(deletedPackage.applicationInfo.packageName); 17022 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 17023 } 17024 17025 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 17026 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 17027 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 17028 17029 try { 17030 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 17031 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 17032 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 17033 installReason); 17034 17035 // Update the in-memory copy of the previous code paths. 17036 PackageSetting ps = mSettings.mPackages.get(pkgName); 17037 if (!killApp) { 17038 if (ps.oldCodePaths == null) { 17039 ps.oldCodePaths = new ArraySet<>(); 17040 } 17041 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 17042 if (deletedPackage.splitCodePaths != null) { 17043 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 17044 } 17045 } else { 17046 ps.oldCodePaths = null; 17047 } 17048 if (ps.childPackageNames != null) { 17049 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 17050 final String childPkgName = ps.childPackageNames.get(i); 17051 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 17052 childPs.oldCodePaths = ps.oldCodePaths; 17053 } 17054 } 17055 // set instant app status, but, only if it's explicitly specified 17056 final boolean instantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 17057 final boolean fullApp = (scanFlags & SCAN_AS_FULL_APP) != 0; 17058 setInstantAppForUser(ps, user.getIdentifier(), instantApp, fullApp); 17059 prepareAppDataAfterInstallLIF(newPackage); 17060 addedPkg = true; 17061 mDexManager.notifyPackageUpdated(newPackage.packageName, 17062 newPackage.baseCodePath, newPackage.splitCodePaths); 17063 } catch (PackageManagerException e) { 17064 res.setError("Package couldn't be installed in " + pkg.codePath, e); 17065 } 17066 } 17067 17068 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 17069 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 17070 17071 // Revert all internal state mutations and added folders for the failed install 17072 if (addedPkg) { 17073 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 17074 res.removedInfo, true, null); 17075 } 17076 17077 // Restore the old package 17078 if (deletedPkg) { 17079 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 17080 File restoreFile = new File(deletedPackage.codePath); 17081 // Parse old package 17082 boolean oldExternal = isExternal(deletedPackage); 17083 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 17084 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 17085 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 17086 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 17087 try { 17088 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 17089 null); 17090 } catch (PackageManagerException e) { 17091 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 17092 + e.getMessage()); 17093 return; 17094 } 17095 17096 synchronized (mPackages) { 17097 // Ensure the installer package name up to date 17098 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 17099 17100 // Update permissions for restored package 17101 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 17102 17103 mSettings.writeLPr(); 17104 } 17105 17106 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 17107 } 17108 } else { 17109 synchronized (mPackages) { 17110 PackageSetting ps = mSettings.getPackageLPr(pkg.packageName); 17111 if (ps != null) { 17112 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 17113 if (res.removedInfo.removedChildPackages != null) { 17114 final int childCount = res.removedInfo.removedChildPackages.size(); 17115 // Iterate in reverse as we may modify the collection 17116 for (int i = childCount - 1; i >= 0; i--) { 17117 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 17118 if (res.addedChildPackages.containsKey(childPackageName)) { 17119 res.removedInfo.removedChildPackages.removeAt(i); 17120 } else { 17121 PackageRemovedInfo childInfo = res.removedInfo 17122 .removedChildPackages.valueAt(i); 17123 childInfo.removedForAllUsers = mPackages.get( 17124 childInfo.removedPackage) == null; 17125 } 17126 } 17127 } 17128 } 17129 } 17130 } 17131 } 17132 17133 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 17134 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 17135 int[] allUsers, String installerPackageName, PackageInstalledInfo res, 17136 int installReason) { 17137 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 17138 + ", old=" + deletedPackage); 17139 17140 final boolean disabledSystem; 17141 17142 // Remove existing system package 17143 removePackageLI(deletedPackage, true); 17144 17145 synchronized (mPackages) { 17146 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 17147 } 17148 if (!disabledSystem) { 17149 // We didn't need to disable the .apk as a current system package, 17150 // which means we are replacing another update that is already 17151 // installed. We need to make sure to delete the older one's .apk. 17152 res.removedInfo.args = createInstallArgsForExisting(0, 17153 deletedPackage.applicationInfo.getCodePath(), 17154 deletedPackage.applicationInfo.getResourcePath(), 17155 getAppDexInstructionSets(deletedPackage.applicationInfo)); 17156 } else { 17157 res.removedInfo.args = null; 17158 } 17159 17160 // Successfully disabled the old package. Now proceed with re-installation 17161 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 17162 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 17163 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 17164 17165 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 17166 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 17167 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 17168 17169 PackageParser.Package newPackage = null; 17170 try { 17171 // Add the package to the internal data structures 17172 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 17173 17174 // Set the update and install times 17175 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 17176 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 17177 System.currentTimeMillis()); 17178 17179 // Update the package dynamic state if succeeded 17180 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 17181 // Now that the install succeeded make sure we remove data 17182 // directories for any child package the update removed. 17183 final int deletedChildCount = (deletedPackage.childPackages != null) 17184 ? deletedPackage.childPackages.size() : 0; 17185 final int newChildCount = (newPackage.childPackages != null) 17186 ? newPackage.childPackages.size() : 0; 17187 for (int i = 0; i < deletedChildCount; i++) { 17188 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 17189 boolean childPackageDeleted = true; 17190 for (int j = 0; j < newChildCount; j++) { 17191 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 17192 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 17193 childPackageDeleted = false; 17194 break; 17195 } 17196 } 17197 if (childPackageDeleted) { 17198 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 17199 deletedChildPkg.packageName); 17200 if (ps != null && res.removedInfo.removedChildPackages != null) { 17201 PackageRemovedInfo removedChildRes = res.removedInfo 17202 .removedChildPackages.get(deletedChildPkg.packageName); 17203 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 17204 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 17205 } 17206 } 17207 } 17208 17209 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 17210 installReason); 17211 prepareAppDataAfterInstallLIF(newPackage); 17212 17213 mDexManager.notifyPackageUpdated(newPackage.packageName, 17214 newPackage.baseCodePath, newPackage.splitCodePaths); 17215 } 17216 } catch (PackageManagerException e) { 17217 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 17218 res.setError("Package couldn't be installed in " + pkg.codePath, e); 17219 } 17220 17221 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 17222 // Re installation failed. Restore old information 17223 // Remove new pkg information 17224 if (newPackage != null) { 17225 removeInstalledPackageLI(newPackage, true); 17226 } 17227 // Add back the old system package 17228 try { 17229 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 17230 } catch (PackageManagerException e) { 17231 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 17232 } 17233 17234 synchronized (mPackages) { 17235 if (disabledSystem) { 17236 enableSystemPackageLPw(deletedPackage); 17237 } 17238 17239 // Ensure the installer package name up to date 17240 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 17241 17242 // Update permissions for restored package 17243 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 17244 17245 mSettings.writeLPr(); 17246 } 17247 17248 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 17249 + " after failed upgrade"); 17250 } 17251 } 17252 17253 /** 17254 * Checks whether the parent or any of the child packages have a change shared 17255 * user. For a package to be a valid update the shred users of the parent and 17256 * the children should match. We may later support changing child shared users. 17257 * @param oldPkg The updated package. 17258 * @param newPkg The update package. 17259 * @return The shared user that change between the versions. 17260 */ 17261 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 17262 PackageParser.Package newPkg) { 17263 // Check parent shared user 17264 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 17265 return newPkg.packageName; 17266 } 17267 // Check child shared users 17268 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 17269 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 17270 for (int i = 0; i < newChildCount; i++) { 17271 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 17272 // If this child was present, did it have the same shared user? 17273 for (int j = 0; j < oldChildCount; j++) { 17274 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 17275 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 17276 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 17277 return newChildPkg.packageName; 17278 } 17279 } 17280 } 17281 return null; 17282 } 17283 17284 private void removeNativeBinariesLI(PackageSetting ps) { 17285 // Remove the lib path for the parent package 17286 if (ps != null) { 17287 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 17288 // Remove the lib path for the child packages 17289 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 17290 for (int i = 0; i < childCount; i++) { 17291 PackageSetting childPs = null; 17292 synchronized (mPackages) { 17293 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 17294 } 17295 if (childPs != null) { 17296 NativeLibraryHelper.removeNativeBinariesLI(childPs 17297 .legacyNativeLibraryPathString); 17298 } 17299 } 17300 } 17301 } 17302 17303 private void enableSystemPackageLPw(PackageParser.Package pkg) { 17304 // Enable the parent package 17305 mSettings.enableSystemPackageLPw(pkg.packageName); 17306 // Enable the child packages 17307 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 17308 for (int i = 0; i < childCount; i++) { 17309 PackageParser.Package childPkg = pkg.childPackages.get(i); 17310 mSettings.enableSystemPackageLPw(childPkg.packageName); 17311 } 17312 } 17313 17314 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 17315 PackageParser.Package newPkg) { 17316 // Disable the parent package (parent always replaced) 17317 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 17318 // Disable the child packages 17319 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 17320 for (int i = 0; i < childCount; i++) { 17321 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 17322 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 17323 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 17324 } 17325 return disabled; 17326 } 17327 17328 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 17329 String installerPackageName) { 17330 // Enable the parent package 17331 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 17332 // Enable the child packages 17333 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 17334 for (int i = 0; i < childCount; i++) { 17335 PackageParser.Package childPkg = pkg.childPackages.get(i); 17336 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 17337 } 17338 } 17339 17340 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 17341 // Collect all used permissions in the UID 17342 ArraySet<String> usedPermissions = new ArraySet<>(); 17343 final int packageCount = su.packages.size(); 17344 for (int i = 0; i < packageCount; i++) { 17345 PackageSetting ps = su.packages.valueAt(i); 17346 if (ps.pkg == null) { 17347 continue; 17348 } 17349 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 17350 for (int j = 0; j < requestedPermCount; j++) { 17351 String permission = ps.pkg.requestedPermissions.get(j); 17352 BasePermission bp = mSettings.mPermissions.get(permission); 17353 if (bp != null) { 17354 usedPermissions.add(permission); 17355 } 17356 } 17357 } 17358 17359 PermissionsState permissionsState = su.getPermissionsState(); 17360 // Prune install permissions 17361 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 17362 final int installPermCount = installPermStates.size(); 17363 for (int i = installPermCount - 1; i >= 0; i--) { 17364 PermissionState permissionState = installPermStates.get(i); 17365 if (!usedPermissions.contains(permissionState.getName())) { 17366 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 17367 if (bp != null) { 17368 permissionsState.revokeInstallPermission(bp); 17369 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 17370 PackageManager.MASK_PERMISSION_FLAGS, 0); 17371 } 17372 } 17373 } 17374 17375 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 17376 17377 // Prune runtime permissions 17378 for (int userId : allUserIds) { 17379 List<PermissionState> runtimePermStates = permissionsState 17380 .getRuntimePermissionStates(userId); 17381 final int runtimePermCount = runtimePermStates.size(); 17382 for (int i = runtimePermCount - 1; i >= 0; i--) { 17383 PermissionState permissionState = runtimePermStates.get(i); 17384 if (!usedPermissions.contains(permissionState.getName())) { 17385 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 17386 if (bp != null) { 17387 permissionsState.revokeRuntimePermission(bp, userId); 17388 permissionsState.updatePermissionFlags(bp, userId, 17389 PackageManager.MASK_PERMISSION_FLAGS, 0); 17390 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 17391 runtimePermissionChangedUserIds, userId); 17392 } 17393 } 17394 } 17395 } 17396 17397 return runtimePermissionChangedUserIds; 17398 } 17399 17400 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 17401 int[] allUsers, PackageInstalledInfo res, UserHandle user, int installReason) { 17402 // Update the parent package setting 17403 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 17404 res, user, installReason); 17405 // Update the child packages setting 17406 final int childCount = (newPackage.childPackages != null) 17407 ? newPackage.childPackages.size() : 0; 17408 for (int i = 0; i < childCount; i++) { 17409 PackageParser.Package childPackage = newPackage.childPackages.get(i); 17410 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 17411 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 17412 childRes.origUsers, childRes, user, installReason); 17413 } 17414 } 17415 17416 private void updateSettingsInternalLI(PackageParser.Package newPackage, 17417 String installerPackageName, int[] allUsers, int[] installedForUsers, 17418 PackageInstalledInfo res, UserHandle user, int installReason) { 17419 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 17420 17421 String pkgName = newPackage.packageName; 17422 synchronized (mPackages) { 17423 //write settings. the installStatus will be incomplete at this stage. 17424 //note that the new package setting would have already been 17425 //added to mPackages. It hasn't been persisted yet. 17426 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 17427 // TODO: Remove this write? It's also written at the end of this method 17428 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 17429 mSettings.writeLPr(); 17430 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 17431 } 17432 17433 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 17434 synchronized (mPackages) { 17435 updatePermissionsLPw(newPackage.packageName, newPackage, 17436 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 17437 ? UPDATE_PERMISSIONS_ALL : 0)); 17438 // For system-bundled packages, we assume that installing an upgraded version 17439 // of the package implies that the user actually wants to run that new code, 17440 // so we enable the package. 17441 PackageSetting ps = mSettings.mPackages.get(pkgName); 17442 final int userId = user.getIdentifier(); 17443 if (ps != null) { 17444 if (isSystemApp(newPackage)) { 17445 if (DEBUG_INSTALL) { 17446 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 17447 } 17448 // Enable system package for requested users 17449 if (res.origUsers != null) { 17450 for (int origUserId : res.origUsers) { 17451 if (userId == UserHandle.USER_ALL || userId == origUserId) { 17452 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 17453 origUserId, installerPackageName); 17454 } 17455 } 17456 } 17457 // Also convey the prior install/uninstall state 17458 if (allUsers != null && installedForUsers != null) { 17459 for (int currentUserId : allUsers) { 17460 final boolean installed = ArrayUtils.contains( 17461 installedForUsers, currentUserId); 17462 if (DEBUG_INSTALL) { 17463 Slog.d(TAG, " user " + currentUserId + " => " + installed); 17464 } 17465 ps.setInstalled(installed, currentUserId); 17466 } 17467 // these install state changes will be persisted in the 17468 // upcoming call to mSettings.writeLPr(). 17469 } 17470 } 17471 // It's implied that when a user requests installation, they want the app to be 17472 // installed and enabled. 17473 if (userId != UserHandle.USER_ALL) { 17474 ps.setInstalled(true, userId); 17475 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 17476 } 17477 17478 // When replacing an existing package, preserve the original install reason for all 17479 // users that had the package installed before. 17480 final Set<Integer> previousUserIds = new ArraySet<>(); 17481 if (res.removedInfo != null && res.removedInfo.installReasons != null) { 17482 final int installReasonCount = res.removedInfo.installReasons.size(); 17483 for (int i = 0; i < installReasonCount; i++) { 17484 final int previousUserId = res.removedInfo.installReasons.keyAt(i); 17485 final int previousInstallReason = res.removedInfo.installReasons.valueAt(i); 17486 ps.setInstallReason(previousInstallReason, previousUserId); 17487 previousUserIds.add(previousUserId); 17488 } 17489 } 17490 17491 // Set install reason for users that are having the package newly installed. 17492 if (userId == UserHandle.USER_ALL) { 17493 for (int currentUserId : sUserManager.getUserIds()) { 17494 if (!previousUserIds.contains(currentUserId)) { 17495 ps.setInstallReason(installReason, currentUserId); 17496 } 17497 } 17498 } else if (!previousUserIds.contains(userId)) { 17499 ps.setInstallReason(installReason, userId); 17500 } 17501 mSettings.writeKernelMappingLPr(ps); 17502 } 17503 res.name = pkgName; 17504 res.uid = newPackage.applicationInfo.uid; 17505 res.pkg = newPackage; 17506 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 17507 mSettings.setInstallerPackageName(pkgName, installerPackageName); 17508 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 17509 //to update install status 17510 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 17511 mSettings.writeLPr(); 17512 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 17513 } 17514 17515 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 17516 } 17517 17518 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 17519 try { 17520 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 17521 installPackageLI(args, res); 17522 } finally { 17523 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 17524 } 17525 } 17526 17527 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 17528 final int installFlags = args.installFlags; 17529 final String installerPackageName = args.installerPackageName; 17530 final String volumeUuid = args.volumeUuid; 17531 final File tmpPackageFile = new File(args.getCodePath()); 17532 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 17533 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 17534 || (args.volumeUuid != null)); 17535 final boolean instantApp = ((installFlags & PackageManager.INSTALL_INSTANT_APP) != 0); 17536 final boolean fullApp = ((installFlags & PackageManager.INSTALL_FULL_APP) != 0); 17537 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 17538 boolean replace = false; 17539 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 17540 if (args.move != null) { 17541 // moving a complete application; perform an initial scan on the new install location 17542 scanFlags |= SCAN_INITIAL; 17543 } 17544 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 17545 scanFlags |= SCAN_DONT_KILL_APP; 17546 } 17547 if (instantApp) { 17548 scanFlags |= SCAN_AS_INSTANT_APP; 17549 } 17550 if (fullApp) { 17551 scanFlags |= SCAN_AS_FULL_APP; 17552 } 17553 17554 // Result object to be returned 17555 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 17556 17557 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 17558 17559 // Sanity check 17560 if (instantApp && (forwardLocked || onExternal)) { 17561 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 17562 + " external=" + onExternal); 17563 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 17564 return; 17565 } 17566 17567 // Retrieve PackageSettings and parse package 17568 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 17569 | PackageParser.PARSE_ENFORCE_CODE 17570 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 17571 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 17572 | (instantApp ? PackageParser.PARSE_IS_EPHEMERAL : 0) 17573 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 17574 PackageParser pp = new PackageParser(); 17575 pp.setSeparateProcesses(mSeparateProcesses); 17576 pp.setDisplayMetrics(mMetrics); 17577 pp.setCallback(mPackageParserCallback); 17578 17579 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 17580 final PackageParser.Package pkg; 17581 try { 17582 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 17583 } catch (PackageParserException e) { 17584 res.setError("Failed parse during installPackageLI", e); 17585 return; 17586 } finally { 17587 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 17588 } 17589 17590 // Instant apps must have target SDK >= O and have targetSanboxVersion >= 2 17591 if (instantApp && pkg.applicationInfo.targetSdkVersion <= Build.VERSION_CODES.N_MR1) { 17592 Slog.w(TAG, "Instant app package " + pkg.packageName 17593 + " does not target O, this will be a fatal error."); 17594 // STOPSHIP: Make this a fatal error 17595 pkg.applicationInfo.targetSdkVersion = Build.VERSION_CODES.O; 17596 } 17597 if (instantApp && pkg.applicationInfo.targetSandboxVersion != 2) { 17598 Slog.w(TAG, "Instant app package " + pkg.packageName 17599 + " does not target targetSandboxVersion 2, this will be a fatal error."); 17600 // STOPSHIP: Make this a fatal error 17601 pkg.applicationInfo.targetSandboxVersion = 2; 17602 } 17603 17604 if (pkg.applicationInfo.isStaticSharedLibrary()) { 17605 // Static shared libraries have synthetic package names 17606 renameStaticSharedLibraryPackage(pkg); 17607 17608 // No static shared libs on external storage 17609 if (onExternal) { 17610 Slog.i(TAG, "Static shared libs can only be installed on internal storage."); 17611 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 17612 "Packages declaring static-shared libs cannot be updated"); 17613 return; 17614 } 17615 } 17616 17617 // If we are installing a clustered package add results for the children 17618 if (pkg.childPackages != null) { 17619 synchronized (mPackages) { 17620 final int childCount = pkg.childPackages.size(); 17621 for (int i = 0; i < childCount; i++) { 17622 PackageParser.Package childPkg = pkg.childPackages.get(i); 17623 PackageInstalledInfo childRes = new PackageInstalledInfo(); 17624 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 17625 childRes.pkg = childPkg; 17626 childRes.name = childPkg.packageName; 17627 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 17628 if (childPs != null) { 17629 childRes.origUsers = childPs.queryInstalledUsers( 17630 sUserManager.getUserIds(), true); 17631 } 17632 if ((mPackages.containsKey(childPkg.packageName))) { 17633 childRes.removedInfo = new PackageRemovedInfo(this); 17634 childRes.removedInfo.removedPackage = childPkg.packageName; 17635 childRes.removedInfo.installerPackageName = childPs.installerPackageName; 17636 } 17637 if (res.addedChildPackages == null) { 17638 res.addedChildPackages = new ArrayMap<>(); 17639 } 17640 res.addedChildPackages.put(childPkg.packageName, childRes); 17641 } 17642 } 17643 } 17644 17645 // If package doesn't declare API override, mark that we have an install 17646 // time CPU ABI override. 17647 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 17648 pkg.cpuAbiOverride = args.abiOverride; 17649 } 17650 17651 String pkgName = res.name = pkg.packageName; 17652 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 17653 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 17654 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 17655 return; 17656 } 17657 } 17658 17659 try { 17660 // either use what we've been given or parse directly from the APK 17661 if (args.certificates != null) { 17662 try { 17663 PackageParser.populateCertificates(pkg, args.certificates); 17664 } catch (PackageParserException e) { 17665 // there was something wrong with the certificates we were given; 17666 // try to pull them from the APK 17667 PackageParser.collectCertificates(pkg, parseFlags); 17668 } 17669 } else { 17670 PackageParser.collectCertificates(pkg, parseFlags); 17671 } 17672 } catch (PackageParserException e) { 17673 res.setError("Failed collect during installPackageLI", e); 17674 return; 17675 } 17676 17677 // Get rid of all references to package scan path via parser. 17678 pp = null; 17679 String oldCodePath = null; 17680 boolean systemApp = false; 17681 synchronized (mPackages) { 17682 // Check if installing already existing package 17683 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 17684 String oldName = mSettings.getRenamedPackageLPr(pkgName); 17685 if (pkg.mOriginalPackages != null 17686 && pkg.mOriginalPackages.contains(oldName) 17687 && mPackages.containsKey(oldName)) { 17688 // This package is derived from an original package, 17689 // and this device has been updating from that original 17690 // name. We must continue using the original name, so 17691 // rename the new package here. 17692 pkg.setPackageName(oldName); 17693 pkgName = pkg.packageName; 17694 replace = true; 17695 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 17696 + oldName + " pkgName=" + pkgName); 17697 } else if (mPackages.containsKey(pkgName)) { 17698 // This package, under its official name, already exists 17699 // on the device; we should replace it. 17700 replace = true; 17701 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 17702 } 17703 17704 // Child packages are installed through the parent package 17705 if (pkg.parentPackage != null) { 17706 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 17707 "Package " + pkg.packageName + " is child of package " 17708 + pkg.parentPackage.parentPackage + ". Child packages " 17709 + "can be updated only through the parent package."); 17710 return; 17711 } 17712 17713 if (replace) { 17714 // Prevent apps opting out from runtime permissions 17715 PackageParser.Package oldPackage = mPackages.get(pkgName); 17716 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 17717 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 17718 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 17719 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 17720 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 17721 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 17722 + " doesn't support runtime permissions but the old" 17723 + " target SDK " + oldTargetSdk + " does."); 17724 return; 17725 } 17726 // Prevent apps from downgrading their targetSandbox. 17727 final int oldTargetSandbox = oldPackage.applicationInfo.targetSandboxVersion; 17728 final int newTargetSandbox = pkg.applicationInfo.targetSandboxVersion; 17729 if (oldTargetSandbox == 2 && newTargetSandbox != 2) { 17730 res.setError(PackageManager.INSTALL_FAILED_SANDBOX_VERSION_DOWNGRADE, 17731 "Package " + pkg.packageName + " new target sandbox " 17732 + newTargetSandbox + " is incompatible with the previous value of" 17733 + oldTargetSandbox + "."); 17734 return; 17735 } 17736 17737 // Prevent installing of child packages 17738 if (oldPackage.parentPackage != null) { 17739 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 17740 "Package " + pkg.packageName + " is child of package " 17741 + oldPackage.parentPackage + ". Child packages " 17742 + "can be updated only through the parent package."); 17743 return; 17744 } 17745 } 17746 } 17747 17748 PackageSetting ps = mSettings.mPackages.get(pkgName); 17749 if (ps != null) { 17750 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 17751 17752 // Static shared libs have same package with different versions where 17753 // we internally use a synthetic package name to allow multiple versions 17754 // of the same package, therefore we need to compare signatures against 17755 // the package setting for the latest library version. 17756 PackageSetting signatureCheckPs = ps; 17757 if (pkg.applicationInfo.isStaticSharedLibrary()) { 17758 SharedLibraryEntry libraryEntry = getLatestSharedLibraVersionLPr(pkg); 17759 if (libraryEntry != null) { 17760 signatureCheckPs = mSettings.getPackageLPr(libraryEntry.apk); 17761 } 17762 } 17763 17764 // Quick sanity check that we're signed correctly if updating; 17765 // we'll check this again later when scanning, but we want to 17766 // bail early here before tripping over redefined permissions. 17767 if (shouldCheckUpgradeKeySetLP(signatureCheckPs, scanFlags)) { 17768 if (!checkUpgradeKeySetLP(signatureCheckPs, pkg)) { 17769 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 17770 + pkg.packageName + " upgrade keys do not match the " 17771 + "previously installed version"); 17772 return; 17773 } 17774 } else { 17775 try { 17776 verifySignaturesLP(signatureCheckPs, pkg); 17777 } catch (PackageManagerException e) { 17778 res.setError(e.error, e.getMessage()); 17779 return; 17780 } 17781 } 17782 17783 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 17784 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 17785 systemApp = (ps.pkg.applicationInfo.flags & 17786 ApplicationInfo.FLAG_SYSTEM) != 0; 17787 } 17788 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 17789 } 17790 17791 int N = pkg.permissions.size(); 17792 for (int i = N-1; i >= 0; i--) { 17793 PackageParser.Permission perm = pkg.permissions.get(i); 17794 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 17795 17796 // Don't allow anyone but the system to define ephemeral permissions. 17797 if ((perm.info.protectionLevel & PermissionInfo.PROTECTION_FLAG_EPHEMERAL) != 0 17798 && !systemApp) { 17799 Slog.w(TAG, "Non-System package " + pkg.packageName 17800 + " attempting to delcare ephemeral permission " 17801 + perm.info.name + "; Removing ephemeral."); 17802 perm.info.protectionLevel &= ~PermissionInfo.PROTECTION_FLAG_EPHEMERAL; 17803 } 17804 // Check whether the newly-scanned package wants to define an already-defined perm 17805 if (bp != null) { 17806 // If the defining package is signed with our cert, it's okay. This 17807 // also includes the "updating the same package" case, of course. 17808 // "updating same package" could also involve key-rotation. 17809 final boolean sigsOk; 17810 if (bp.sourcePackage.equals(pkg.packageName) 17811 && (bp.packageSetting instanceof PackageSetting) 17812 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 17813 scanFlags))) { 17814 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 17815 } else { 17816 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 17817 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 17818 } 17819 if (!sigsOk) { 17820 // If the owning package is the system itself, we log but allow 17821 // install to proceed; we fail the install on all other permission 17822 // redefinitions. 17823 if (!bp.sourcePackage.equals("android")) { 17824 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 17825 + pkg.packageName + " attempting to redeclare permission " 17826 + perm.info.name + " already owned by " + bp.sourcePackage); 17827 res.origPermission = perm.info.name; 17828 res.origPackage = bp.sourcePackage; 17829 return; 17830 } else { 17831 Slog.w(TAG, "Package " + pkg.packageName 17832 + " attempting to redeclare system permission " 17833 + perm.info.name + "; ignoring new declaration"); 17834 pkg.permissions.remove(i); 17835 } 17836 } else if (!PLATFORM_PACKAGE_NAME.equals(pkg.packageName)) { 17837 // Prevent apps to change protection level to dangerous from any other 17838 // type as this would allow a privilege escalation where an app adds a 17839 // normal/signature permission in other app's group and later redefines 17840 // it as dangerous leading to the group auto-grant. 17841 if ((perm.info.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE) 17842 == PermissionInfo.PROTECTION_DANGEROUS) { 17843 if (bp != null && !bp.isRuntime()) { 17844 Slog.w(TAG, "Package " + pkg.packageName + " trying to change a " 17845 + "non-runtime permission " + perm.info.name 17846 + " to runtime; keeping old protection level"); 17847 perm.info.protectionLevel = bp.protectionLevel; 17848 } 17849 } 17850 } 17851 } 17852 } 17853 } 17854 17855 if (systemApp) { 17856 if (onExternal) { 17857 // Abort update; system app can't be replaced with app on sdcard 17858 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 17859 "Cannot install updates to system apps on sdcard"); 17860 return; 17861 } else if (instantApp) { 17862 // Abort update; system app can't be replaced with an instant app 17863 res.setError(INSTALL_FAILED_INSTANT_APP_INVALID, 17864 "Cannot update a system app with an instant app"); 17865 return; 17866 } 17867 } 17868 17869 if (args.move != null) { 17870 // We did an in-place move, so dex is ready to roll 17871 scanFlags |= SCAN_NO_DEX; 17872 scanFlags |= SCAN_MOVE; 17873 17874 synchronized (mPackages) { 17875 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17876 if (ps == null) { 17877 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 17878 "Missing settings for moved package " + pkgName); 17879 } 17880 17881 // We moved the entire application as-is, so bring over the 17882 // previously derived ABI information. 17883 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 17884 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 17885 } 17886 17887 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 17888 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 17889 scanFlags |= SCAN_NO_DEX; 17890 17891 try { 17892 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 17893 args.abiOverride : pkg.cpuAbiOverride); 17894 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 17895 true /*extractLibs*/, mAppLib32InstallDir); 17896 } catch (PackageManagerException pme) { 17897 Slog.e(TAG, "Error deriving application ABI", pme); 17898 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 17899 return; 17900 } 17901 17902 // Shared libraries for the package need to be updated. 17903 synchronized (mPackages) { 17904 try { 17905 updateSharedLibrariesLPr(pkg, null); 17906 } catch (PackageManagerException e) { 17907 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 17908 } 17909 } 17910 17911 // dexopt can take some time to complete, so, for instant apps, we skip this 17912 // step during installation. Instead, we'll take extra time the first time the 17913 // instant app starts. It's preferred to do it this way to provide continuous 17914 // progress to the user instead of mysteriously blocking somewhere in the 17915 // middle of running an instant app. 17916 if (!instantApp) { 17917 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 17918 // Do not run PackageDexOptimizer through the local performDexOpt 17919 // method because `pkg` may not be in `mPackages` yet. 17920 // 17921 // Also, don't fail application installs if the dexopt step fails. 17922 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 17923 null /* instructionSets */, false /* checkProfiles */, 17924 getCompilerFilterForReason(REASON_INSTALL), 17925 getOrCreateCompilerPackageStats(pkg), 17926 mDexManager.isUsedByOtherApps(pkg.packageName)); 17927 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 17928 } 17929 17930 // Notify BackgroundDexOptService that the package has been changed. 17931 // If this is an update of a package which used to fail to compile, 17932 // BDOS will remove it from its blacklist. 17933 // TODO: Layering violation 17934 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 17935 } 17936 17937 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 17938 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 17939 return; 17940 } 17941 17942 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 17943 17944 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 17945 "installPackageLI")) { 17946 if (replace) { 17947 if (pkg.applicationInfo.isStaticSharedLibrary()) { 17948 // Static libs have a synthetic package name containing the version 17949 // and cannot be updated as an update would get a new package name, 17950 // unless this is the exact same version code which is useful for 17951 // development. 17952 PackageParser.Package existingPkg = mPackages.get(pkg.packageName); 17953 if (existingPkg != null && existingPkg.mVersionCode != pkg.mVersionCode) { 17954 res.setError(INSTALL_FAILED_DUPLICATE_PACKAGE, "Packages declaring " 17955 + "static-shared libs cannot be updated"); 17956 return; 17957 } 17958 } 17959 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 17960 installerPackageName, res, args.installReason); 17961 } else { 17962 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 17963 args.user, installerPackageName, volumeUuid, res, args.installReason); 17964 } 17965 } 17966 17967 synchronized (mPackages) { 17968 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17969 if (ps != null) { 17970 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 17971 ps.setUpdateAvailable(false /*updateAvailable*/); 17972 } 17973 17974 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 17975 for (int i = 0; i < childCount; i++) { 17976 PackageParser.Package childPkg = pkg.childPackages.get(i); 17977 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 17978 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 17979 if (childPs != null) { 17980 childRes.newUsers = childPs.queryInstalledUsers( 17981 sUserManager.getUserIds(), true); 17982 } 17983 } 17984 17985 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 17986 updateSequenceNumberLP(pkgName, res.newUsers); 17987 updateInstantAppInstallerLocked(pkgName); 17988 } 17989 } 17990 } 17991 17992 private void startIntentFilterVerifications(int userId, boolean replacing, 17993 PackageParser.Package pkg) { 17994 if (mIntentFilterVerifierComponent == null) { 17995 Slog.w(TAG, "No IntentFilter verification will not be done as " 17996 + "there is no IntentFilterVerifier available!"); 17997 return; 17998 } 17999 18000 final int verifierUid = getPackageUid( 18001 mIntentFilterVerifierComponent.getPackageName(), 18002 MATCH_DEBUG_TRIAGED_MISSING, 18003 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 18004 18005 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 18006 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 18007 mHandler.sendMessage(msg); 18008 18009 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 18010 for (int i = 0; i < childCount; i++) { 18011 PackageParser.Package childPkg = pkg.childPackages.get(i); 18012 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 18013 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 18014 mHandler.sendMessage(msg); 18015 } 18016 } 18017 18018 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 18019 PackageParser.Package pkg) { 18020 int size = pkg.activities.size(); 18021 if (size == 0) { 18022 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 18023 "No activity, so no need to verify any IntentFilter!"); 18024 return; 18025 } 18026 18027 final boolean hasDomainURLs = hasDomainURLs(pkg); 18028 if (!hasDomainURLs) { 18029 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 18030 "No domain URLs, so no need to verify any IntentFilter!"); 18031 return; 18032 } 18033 18034 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 18035 + " if any IntentFilter from the " + size 18036 + " Activities needs verification ..."); 18037 18038 int count = 0; 18039 final String packageName = pkg.packageName; 18040 18041 synchronized (mPackages) { 18042 // If this is a new install and we see that we've already run verification for this 18043 // package, we have nothing to do: it means the state was restored from backup. 18044 if (!replacing) { 18045 IntentFilterVerificationInfo ivi = 18046 mSettings.getIntentFilterVerificationLPr(packageName); 18047 if (ivi != null) { 18048 if (DEBUG_DOMAIN_VERIFICATION) { 18049 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 18050 + ivi.getStatusString()); 18051 } 18052 return; 18053 } 18054 } 18055 18056 // If any filters need to be verified, then all need to be. 18057 boolean needToVerify = false; 18058 for (PackageParser.Activity a : pkg.activities) { 18059 for (ActivityIntentInfo filter : a.intents) { 18060 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 18061 if (DEBUG_DOMAIN_VERIFICATION) { 18062 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 18063 } 18064 needToVerify = true; 18065 break; 18066 } 18067 } 18068 } 18069 18070 if (needToVerify) { 18071 final int verificationId = mIntentFilterVerificationToken++; 18072 for (PackageParser.Activity a : pkg.activities) { 18073 for (ActivityIntentInfo filter : a.intents) { 18074 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 18075 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 18076 "Verification needed for IntentFilter:" + filter.toString()); 18077 mIntentFilterVerifier.addOneIntentFilterVerification( 18078 verifierUid, userId, verificationId, filter, packageName); 18079 count++; 18080 } 18081 } 18082 } 18083 } 18084 } 18085 18086 if (count > 0) { 18087 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 18088 + " IntentFilter verification" + (count > 1 ? "s" : "") 18089 + " for userId:" + userId); 18090 mIntentFilterVerifier.startVerifications(userId); 18091 } else { 18092 if (DEBUG_DOMAIN_VERIFICATION) { 18093 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 18094 } 18095 } 18096 } 18097 18098 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 18099 final ComponentName cn = filter.activity.getComponentName(); 18100 final String packageName = cn.getPackageName(); 18101 18102 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 18103 packageName); 18104 if (ivi == null) { 18105 return true; 18106 } 18107 int status = ivi.getStatus(); 18108 switch (status) { 18109 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 18110 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 18111 return true; 18112 18113 default: 18114 // Nothing to do 18115 return false; 18116 } 18117 } 18118 18119 private static boolean isMultiArch(ApplicationInfo info) { 18120 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 18121 } 18122 18123 private static boolean isExternal(PackageParser.Package pkg) { 18124 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 18125 } 18126 18127 private static boolean isExternal(PackageSetting ps) { 18128 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 18129 } 18130 18131 private static boolean isSystemApp(PackageParser.Package pkg) { 18132 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 18133 } 18134 18135 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 18136 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 18137 } 18138 18139 private static boolean hasDomainURLs(PackageParser.Package pkg) { 18140 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 18141 } 18142 18143 private static boolean isSystemApp(PackageSetting ps) { 18144 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 18145 } 18146 18147 private static boolean isUpdatedSystemApp(PackageSetting ps) { 18148 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 18149 } 18150 18151 private int packageFlagsToInstallFlags(PackageSetting ps) { 18152 int installFlags = 0; 18153 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 18154 // This existing package was an external ASEC install when we have 18155 // the external flag without a UUID 18156 installFlags |= PackageManager.INSTALL_EXTERNAL; 18157 } 18158 if (ps.isForwardLocked()) { 18159 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 18160 } 18161 return installFlags; 18162 } 18163 18164 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 18165 if (isExternal(pkg)) { 18166 if (TextUtils.isEmpty(pkg.volumeUuid)) { 18167 return StorageManager.UUID_PRIMARY_PHYSICAL; 18168 } else { 18169 return pkg.volumeUuid; 18170 } 18171 } else { 18172 return StorageManager.UUID_PRIVATE_INTERNAL; 18173 } 18174 } 18175 18176 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 18177 if (isExternal(pkg)) { 18178 if (TextUtils.isEmpty(pkg.volumeUuid)) { 18179 return mSettings.getExternalVersion(); 18180 } else { 18181 return mSettings.findOrCreateVersion(pkg.volumeUuid); 18182 } 18183 } else { 18184 return mSettings.getInternalVersion(); 18185 } 18186 } 18187 18188 private void deleteTempPackageFiles() { 18189 final FilenameFilter filter = new FilenameFilter() { 18190 public boolean accept(File dir, String name) { 18191 return name.startsWith("vmdl") && name.endsWith(".tmp"); 18192 } 18193 }; 18194 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 18195 file.delete(); 18196 } 18197 } 18198 18199 @Override 18200 public void deletePackageAsUser(String packageName, int versionCode, 18201 IPackageDeleteObserver observer, int userId, int flags) { 18202 deletePackageVersioned(new VersionedPackage(packageName, versionCode), 18203 new LegacyPackageDeleteObserver(observer).getBinder(), userId, flags); 18204 } 18205 18206 @Override 18207 public void deletePackageVersioned(VersionedPackage versionedPackage, 18208 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 18209 mContext.enforceCallingOrSelfPermission( 18210 android.Manifest.permission.DELETE_PACKAGES, null); 18211 Preconditions.checkNotNull(versionedPackage); 18212 Preconditions.checkNotNull(observer); 18213 Preconditions.checkArgumentInRange(versionedPackage.getVersionCode(), 18214 PackageManager.VERSION_CODE_HIGHEST, 18215 Integer.MAX_VALUE, "versionCode must be >= -1"); 18216 18217 final String packageName = versionedPackage.getPackageName(); 18218 final int versionCode = versionedPackage.getVersionCode(); 18219 final String internalPackageName; 18220 synchronized (mPackages) { 18221 // Normalize package name to handle renamed packages and static libs 18222 internalPackageName = resolveInternalPackageNameLPr(versionedPackage.getPackageName(), 18223 versionedPackage.getVersionCode()); 18224 } 18225 18226 final int uid = Binder.getCallingUid(); 18227 if (!isOrphaned(internalPackageName) 18228 && !isCallerAllowedToSilentlyUninstall(uid, internalPackageName)) { 18229 try { 18230 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 18231 intent.setData(Uri.fromParts(PACKAGE_SCHEME, packageName, null)); 18232 intent.putExtra(PackageInstaller.EXTRA_CALLBACK, observer.asBinder()); 18233 observer.onUserActionRequired(intent); 18234 } catch (RemoteException re) { 18235 } 18236 return; 18237 } 18238 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 18239 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 18240 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 18241 mContext.enforceCallingOrSelfPermission( 18242 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 18243 "deletePackage for user " + userId); 18244 } 18245 18246 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 18247 try { 18248 observer.onPackageDeleted(packageName, 18249 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 18250 } catch (RemoteException re) { 18251 } 18252 return; 18253 } 18254 18255 if (!deleteAllUsers && getBlockUninstallForUser(internalPackageName, userId)) { 18256 try { 18257 observer.onPackageDeleted(packageName, 18258 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 18259 } catch (RemoteException re) { 18260 } 18261 return; 18262 } 18263 18264 if (DEBUG_REMOVE) { 18265 Slog.d(TAG, "deletePackageAsUser: pkg=" + internalPackageName + " user=" + userId 18266 + " deleteAllUsers: " + deleteAllUsers + " version=" 18267 + (versionCode == PackageManager.VERSION_CODE_HIGHEST 18268 ? "VERSION_CODE_HIGHEST" : versionCode)); 18269 } 18270 // Queue up an async operation since the package deletion may take a little while. 18271 mHandler.post(new Runnable() { 18272 public void run() { 18273 mHandler.removeCallbacks(this); 18274 int returnCode; 18275 if (!deleteAllUsers) { 18276 returnCode = deletePackageX(internalPackageName, versionCode, 18277 userId, deleteFlags); 18278 } else { 18279 int[] blockUninstallUserIds = getBlockUninstallForUsers( 18280 internalPackageName, users); 18281 // If nobody is blocking uninstall, proceed with delete for all users 18282 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 18283 returnCode = deletePackageX(internalPackageName, versionCode, 18284 userId, deleteFlags); 18285 } else { 18286 // Otherwise uninstall individually for users with blockUninstalls=false 18287 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 18288 for (int userId : users) { 18289 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 18290 returnCode = deletePackageX(internalPackageName, versionCode, 18291 userId, userFlags); 18292 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 18293 Slog.w(TAG, "Package delete failed for user " + userId 18294 + ", returnCode " + returnCode); 18295 } 18296 } 18297 } 18298 // The app has only been marked uninstalled for certain users. 18299 // We still need to report that delete was blocked 18300 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 18301 } 18302 } 18303 try { 18304 observer.onPackageDeleted(packageName, returnCode, null); 18305 } catch (RemoteException e) { 18306 Log.i(TAG, "Observer no longer exists."); 18307 } //end catch 18308 } //end run 18309 }); 18310 } 18311 18312 private String resolveExternalPackageNameLPr(PackageParser.Package pkg) { 18313 if (pkg.staticSharedLibName != null) { 18314 return pkg.manifestPackageName; 18315 } 18316 return pkg.packageName; 18317 } 18318 18319 private String resolveInternalPackageNameLPr(String packageName, int versionCode) { 18320 // Handle renamed packages 18321 String normalizedPackageName = mSettings.getRenamedPackageLPr(packageName); 18322 packageName = normalizedPackageName != null ? normalizedPackageName : packageName; 18323 18324 // Is this a static library? 18325 SparseArray<SharedLibraryEntry> versionedLib = 18326 mStaticLibsByDeclaringPackage.get(packageName); 18327 if (versionedLib == null || versionedLib.size() <= 0) { 18328 return packageName; 18329 } 18330 18331 // Figure out which lib versions the caller can see 18332 SparseIntArray versionsCallerCanSee = null; 18333 final int callingAppId = UserHandle.getAppId(Binder.getCallingUid()); 18334 if (callingAppId != Process.SYSTEM_UID && callingAppId != Process.SHELL_UID 18335 && callingAppId != Process.ROOT_UID) { 18336 versionsCallerCanSee = new SparseIntArray(); 18337 String libName = versionedLib.valueAt(0).info.getName(); 18338 String[] uidPackages = getPackagesForUid(Binder.getCallingUid()); 18339 if (uidPackages != null) { 18340 for (String uidPackage : uidPackages) { 18341 PackageSetting ps = mSettings.getPackageLPr(uidPackage); 18342 final int libIdx = ArrayUtils.indexOf(ps.usesStaticLibraries, libName); 18343 if (libIdx >= 0) { 18344 final int libVersion = ps.usesStaticLibrariesVersions[libIdx]; 18345 versionsCallerCanSee.append(libVersion, libVersion); 18346 } 18347 } 18348 } 18349 } 18350 18351 // Caller can see nothing - done 18352 if (versionsCallerCanSee != null && versionsCallerCanSee.size() <= 0) { 18353 return packageName; 18354 } 18355 18356 // Find the version the caller can see and the app version code 18357 SharedLibraryEntry highestVersion = null; 18358 final int versionCount = versionedLib.size(); 18359 for (int i = 0; i < versionCount; i++) { 18360 SharedLibraryEntry libEntry = versionedLib.valueAt(i); 18361 if (versionsCallerCanSee != null && versionsCallerCanSee.indexOfKey( 18362 libEntry.info.getVersion()) < 0) { 18363 continue; 18364 } 18365 final int libVersionCode = libEntry.info.getDeclaringPackage().getVersionCode(); 18366 if (versionCode != PackageManager.VERSION_CODE_HIGHEST) { 18367 if (libVersionCode == versionCode) { 18368 return libEntry.apk; 18369 } 18370 } else if (highestVersion == null) { 18371 highestVersion = libEntry; 18372 } else if (libVersionCode > highestVersion.info 18373 .getDeclaringPackage().getVersionCode()) { 18374 highestVersion = libEntry; 18375 } 18376 } 18377 18378 if (highestVersion != null) { 18379 return highestVersion.apk; 18380 } 18381 18382 return packageName; 18383 } 18384 18385 private boolean isCallerAllowedToSilentlyUninstall(int callingUid, String pkgName) { 18386 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID 18387 || UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 18388 return true; 18389 } 18390 final int callingUserId = UserHandle.getUserId(callingUid); 18391 // If the caller installed the pkgName, then allow it to silently uninstall. 18392 if (callingUid == getPackageUid(getInstallerPackageName(pkgName), 0, callingUserId)) { 18393 return true; 18394 } 18395 18396 // Allow package verifier to silently uninstall. 18397 if (mRequiredVerifierPackage != null && 18398 callingUid == getPackageUid(mRequiredVerifierPackage, 0, callingUserId)) { 18399 return true; 18400 } 18401 18402 // Allow package uninstaller to silently uninstall. 18403 if (mRequiredUninstallerPackage != null && 18404 callingUid == getPackageUid(mRequiredUninstallerPackage, 0, callingUserId)) { 18405 return true; 18406 } 18407 18408 // Allow storage manager to silently uninstall. 18409 if (mStorageManagerPackage != null && 18410 callingUid == getPackageUid(mStorageManagerPackage, 0, callingUserId)) { 18411 return true; 18412 } 18413 return false; 18414 } 18415 18416 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 18417 int[] result = EMPTY_INT_ARRAY; 18418 for (int userId : userIds) { 18419 if (getBlockUninstallForUser(packageName, userId)) { 18420 result = ArrayUtils.appendInt(result, userId); 18421 } 18422 } 18423 return result; 18424 } 18425 18426 @Override 18427 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 18428 final int callingUid = Binder.getCallingUid(); 18429 if (getInstantAppPackageName(callingUid) != null 18430 && !isCallerSameApp(packageName, callingUid)) { 18431 return false; 18432 } 18433 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 18434 } 18435 18436 private boolean isPackageDeviceAdmin(String packageName, int userId) { 18437 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 18438 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 18439 try { 18440 if (dpm != null) { 18441 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 18442 /* callingUserOnly =*/ false); 18443 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 18444 : deviceOwnerComponentName.getPackageName(); 18445 // Does the package contains the device owner? 18446 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 18447 // this check is probably not needed, since DO should be registered as a device 18448 // admin on some user too. (Original bug for this: b/17657954) 18449 if (packageName.equals(deviceOwnerPackageName)) { 18450 return true; 18451 } 18452 // Does it contain a device admin for any user? 18453 int[] users; 18454 if (userId == UserHandle.USER_ALL) { 18455 users = sUserManager.getUserIds(); 18456 } else { 18457 users = new int[]{userId}; 18458 } 18459 for (int i = 0; i < users.length; ++i) { 18460 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 18461 return true; 18462 } 18463 } 18464 } 18465 } catch (RemoteException e) { 18466 } 18467 return false; 18468 } 18469 18470 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 18471 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 18472 } 18473 18474 /** 18475 * This method is an internal method that could be get invoked either 18476 * to delete an installed package or to clean up a failed installation. 18477 * After deleting an installed package, a broadcast is sent to notify any 18478 * listeners that the package has been removed. For cleaning up a failed 18479 * installation, the broadcast is not necessary since the package's 18480 * installation wouldn't have sent the initial broadcast either 18481 * The key steps in deleting a package are 18482 * deleting the package information in internal structures like mPackages, 18483 * deleting the packages base directories through installd 18484 * updating mSettings to reflect current status 18485 * persisting settings for later use 18486 * sending a broadcast if necessary 18487 */ 18488 private int deletePackageX(String packageName, int versionCode, int userId, int deleteFlags) { 18489 final PackageRemovedInfo info = new PackageRemovedInfo(this); 18490 final boolean res; 18491 18492 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 18493 ? UserHandle.USER_ALL : userId; 18494 18495 if (isPackageDeviceAdmin(packageName, removeUser)) { 18496 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 18497 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 18498 } 18499 18500 PackageSetting uninstalledPs = null; 18501 PackageParser.Package pkg = null; 18502 18503 // for the uninstall-updates case and restricted profiles, remember the per- 18504 // user handle installed state 18505 int[] allUsers; 18506 synchronized (mPackages) { 18507 uninstalledPs = mSettings.mPackages.get(packageName); 18508 if (uninstalledPs == null) { 18509 Slog.w(TAG, "Not removing non-existent package " + packageName); 18510 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 18511 } 18512 18513 if (versionCode != PackageManager.VERSION_CODE_HIGHEST 18514 && uninstalledPs.versionCode != versionCode) { 18515 Slog.w(TAG, "Not removing package " + packageName + " with versionCode " 18516 + uninstalledPs.versionCode + " != " + versionCode); 18517 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 18518 } 18519 18520 // Static shared libs can be declared by any package, so let us not 18521 // allow removing a package if it provides a lib others depend on. 18522 pkg = mPackages.get(packageName); 18523 18524 allUsers = sUserManager.getUserIds(); 18525 18526 if (pkg != null && pkg.staticSharedLibName != null) { 18527 SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(pkg.staticSharedLibName, 18528 pkg.staticSharedLibVersion); 18529 if (libEntry != null) { 18530 for (int currUserId : allUsers) { 18531 if (userId != UserHandle.USER_ALL && userId != currUserId) { 18532 continue; 18533 } 18534 List<VersionedPackage> libClientPackages = getPackagesUsingSharedLibraryLPr( 18535 libEntry.info, 0, currUserId); 18536 if (!ArrayUtils.isEmpty(libClientPackages)) { 18537 Slog.w(TAG, "Not removing package " + pkg.manifestPackageName 18538 + " hosting lib " + libEntry.info.getName() + " version " 18539 + libEntry.info.getVersion() + " used by " + libClientPackages 18540 + " for user " + currUserId); 18541 return PackageManager.DELETE_FAILED_USED_SHARED_LIBRARY; 18542 } 18543 } 18544 } 18545 } 18546 18547 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 18548 } 18549 18550 final int freezeUser; 18551 if (isUpdatedSystemApp(uninstalledPs) 18552 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 18553 // We're downgrading a system app, which will apply to all users, so 18554 // freeze them all during the downgrade 18555 freezeUser = UserHandle.USER_ALL; 18556 } else { 18557 freezeUser = removeUser; 18558 } 18559 18560 synchronized (mInstallLock) { 18561 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 18562 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 18563 deleteFlags, "deletePackageX")) { 18564 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 18565 deleteFlags | FLAGS_REMOVE_CHATTY, info, true, null); 18566 } 18567 synchronized (mPackages) { 18568 if (res) { 18569 if (pkg != null) { 18570 mInstantAppRegistry.onPackageUninstalledLPw(pkg, info.removedUsers); 18571 } 18572 updateSequenceNumberLP(packageName, info.removedUsers); 18573 updateInstantAppInstallerLocked(packageName); 18574 } 18575 } 18576 } 18577 18578 if (res) { 18579 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 18580 info.sendPackageRemovedBroadcasts(killApp); 18581 info.sendSystemPackageUpdatedBroadcasts(); 18582 info.sendSystemPackageAppearedBroadcasts(); 18583 } 18584 // Force a gc here. 18585 Runtime.getRuntime().gc(); 18586 // Delete the resources here after sending the broadcast to let 18587 // other processes clean up before deleting resources. 18588 if (info.args != null) { 18589 synchronized (mInstallLock) { 18590 info.args.doPostDeleteLI(true); 18591 } 18592 } 18593 18594 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 18595 } 18596 18597 static class PackageRemovedInfo { 18598 final PackageSender packageSender; 18599 String removedPackage; 18600 String installerPackageName; 18601 int uid = -1; 18602 int removedAppId = -1; 18603 int[] origUsers; 18604 int[] removedUsers = null; 18605 int[] broadcastUsers = null; 18606 SparseArray<Integer> installReasons; 18607 boolean isRemovedPackageSystemUpdate = false; 18608 boolean isUpdate; 18609 boolean dataRemoved; 18610 boolean removedForAllUsers; 18611 boolean isStaticSharedLib; 18612 // Clean up resources deleted packages. 18613 InstallArgs args = null; 18614 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 18615 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 18616 18617 PackageRemovedInfo(PackageSender packageSender) { 18618 this.packageSender = packageSender; 18619 } 18620 18621 void sendPackageRemovedBroadcasts(boolean killApp) { 18622 sendPackageRemovedBroadcastInternal(killApp); 18623 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 18624 for (int i = 0; i < childCount; i++) { 18625 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 18626 childInfo.sendPackageRemovedBroadcastInternal(killApp); 18627 } 18628 } 18629 18630 void sendSystemPackageUpdatedBroadcasts() { 18631 if (isRemovedPackageSystemUpdate) { 18632 sendSystemPackageUpdatedBroadcastsInternal(); 18633 final int childCount = (removedChildPackages != null) 18634 ? removedChildPackages.size() : 0; 18635 for (int i = 0; i < childCount; i++) { 18636 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 18637 if (childInfo.isRemovedPackageSystemUpdate) { 18638 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 18639 } 18640 } 18641 } 18642 } 18643 18644 void sendSystemPackageAppearedBroadcasts() { 18645 final int packageCount = (appearedChildPackages != null) 18646 ? appearedChildPackages.size() : 0; 18647 for (int i = 0; i < packageCount; i++) { 18648 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 18649 packageSender.sendPackageAddedForNewUsers(installedInfo.name, 18650 true, UserHandle.getAppId(installedInfo.uid), 18651 installedInfo.newUsers); 18652 } 18653 } 18654 18655 private void sendSystemPackageUpdatedBroadcastsInternal() { 18656 Bundle extras = new Bundle(2); 18657 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 18658 extras.putBoolean(Intent.EXTRA_REPLACING, true); 18659 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 18660 removedPackage, extras, 0, null /*targetPackage*/, null, null); 18661 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 18662 removedPackage, extras, 0, null /*targetPackage*/, null, null); 18663 packageSender.sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 18664 null, null, 0, removedPackage, null, null); 18665 if (installerPackageName != null) { 18666 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 18667 removedPackage, extras, 0 /*flags*/, 18668 installerPackageName, null, null); 18669 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 18670 removedPackage, extras, 0 /*flags*/, 18671 installerPackageName, null, null); 18672 } 18673 } 18674 18675 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 18676 // Don't send static shared library removal broadcasts as these 18677 // libs are visible only the the apps that depend on them an one 18678 // cannot remove the library if it has a dependency. 18679 if (isStaticSharedLib) { 18680 return; 18681 } 18682 Bundle extras = new Bundle(2); 18683 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 18684 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 18685 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 18686 if (isUpdate || isRemovedPackageSystemUpdate) { 18687 extras.putBoolean(Intent.EXTRA_REPLACING, true); 18688 } 18689 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 18690 if (removedPackage != null) { 18691 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, 18692 removedPackage, extras, 0, null /*targetPackage*/, null, broadcastUsers); 18693 if (installerPackageName != null) { 18694 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, 18695 removedPackage, extras, 0 /*flags*/, 18696 installerPackageName, null, broadcastUsers); 18697 } 18698 if (dataRemoved && !isRemovedPackageSystemUpdate) { 18699 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 18700 removedPackage, extras, 18701 Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND, 18702 null, null, broadcastUsers); 18703 } 18704 } 18705 if (removedAppId >= 0) { 18706 packageSender.sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 18707 Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND, null, null, broadcastUsers); 18708 } 18709 } 18710 18711 void populateUsers(int[] userIds, PackageSetting deletedPackageSetting) { 18712 removedUsers = userIds; 18713 if (removedUsers == null) { 18714 broadcastUsers = null; 18715 return; 18716 } 18717 18718 broadcastUsers = EMPTY_INT_ARRAY; 18719 for (int i = userIds.length - 1; i >= 0; --i) { 18720 final int userId = userIds[i]; 18721 if (deletedPackageSetting.getInstantApp(userId)) { 18722 continue; 18723 } 18724 broadcastUsers = ArrayUtils.appendInt(broadcastUsers, userId); 18725 } 18726 } 18727 } 18728 18729 /* 18730 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 18731 * flag is not set, the data directory is removed as well. 18732 * make sure this flag is set for partially installed apps. If not its meaningless to 18733 * delete a partially installed application. 18734 */ 18735 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 18736 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 18737 String packageName = ps.name; 18738 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 18739 // Retrieve object to delete permissions for shared user later on 18740 final PackageParser.Package deletedPkg; 18741 final PackageSetting deletedPs; 18742 // reader 18743 synchronized (mPackages) { 18744 deletedPkg = mPackages.get(packageName); 18745 deletedPs = mSettings.mPackages.get(packageName); 18746 if (outInfo != null) { 18747 outInfo.removedPackage = packageName; 18748 outInfo.installerPackageName = ps.installerPackageName; 18749 outInfo.isStaticSharedLib = deletedPkg != null 18750 && deletedPkg.staticSharedLibName != null; 18751 outInfo.populateUsers(deletedPs == null ? null 18752 : deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true), deletedPs); 18753 } 18754 } 18755 18756 removePackageLI(ps, (flags & FLAGS_REMOVE_CHATTY) != 0); 18757 18758 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 18759 final PackageParser.Package resolvedPkg; 18760 if (deletedPkg != null) { 18761 resolvedPkg = deletedPkg; 18762 } else { 18763 // We don't have a parsed package when it lives on an ejected 18764 // adopted storage device, so fake something together 18765 resolvedPkg = new PackageParser.Package(ps.name); 18766 resolvedPkg.setVolumeUuid(ps.volumeUuid); 18767 } 18768 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 18769 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18770 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 18771 if (outInfo != null) { 18772 outInfo.dataRemoved = true; 18773 } 18774 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 18775 } 18776 18777 int removedAppId = -1; 18778 18779 // writer 18780 synchronized (mPackages) { 18781 boolean installedStateChanged = false; 18782 if (deletedPs != null) { 18783 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 18784 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 18785 clearDefaultBrowserIfNeeded(packageName); 18786 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 18787 removedAppId = mSettings.removePackageLPw(packageName); 18788 if (outInfo != null) { 18789 outInfo.removedAppId = removedAppId; 18790 } 18791 updatePermissionsLPw(deletedPs.name, null, 0); 18792 if (deletedPs.sharedUser != null) { 18793 // Remove permissions associated with package. Since runtime 18794 // permissions are per user we have to kill the removed package 18795 // or packages running under the shared user of the removed 18796 // package if revoking the permissions requested only by the removed 18797 // package is successful and this causes a change in gids. 18798 for (int userId : UserManagerService.getInstance().getUserIds()) { 18799 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 18800 userId); 18801 if (userIdToKill == UserHandle.USER_ALL 18802 || userIdToKill >= UserHandle.USER_SYSTEM) { 18803 // If gids changed for this user, kill all affected packages. 18804 mHandler.post(new Runnable() { 18805 @Override 18806 public void run() { 18807 // This has to happen with no lock held. 18808 killApplication(deletedPs.name, deletedPs.appId, 18809 KILL_APP_REASON_GIDS_CHANGED); 18810 } 18811 }); 18812 break; 18813 } 18814 } 18815 } 18816 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 18817 } 18818 // make sure to preserve per-user disabled state if this removal was just 18819 // a downgrade of a system app to the factory package 18820 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 18821 if (DEBUG_REMOVE) { 18822 Slog.d(TAG, "Propagating install state across downgrade"); 18823 } 18824 for (int userId : allUserHandles) { 18825 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 18826 if (DEBUG_REMOVE) { 18827 Slog.d(TAG, " user " + userId + " => " + installed); 18828 } 18829 if (installed != ps.getInstalled(userId)) { 18830 installedStateChanged = true; 18831 } 18832 ps.setInstalled(installed, userId); 18833 } 18834 } 18835 } 18836 // can downgrade to reader 18837 if (writeSettings) { 18838 // Save settings now 18839 mSettings.writeLPr(); 18840 } 18841 if (installedStateChanged) { 18842 mSettings.writeKernelMappingLPr(ps); 18843 } 18844 } 18845 if (removedAppId != -1) { 18846 // A user ID was deleted here. Go through all users and remove it 18847 // from KeyStore. 18848 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, removedAppId); 18849 } 18850 } 18851 18852 static boolean locationIsPrivileged(File path) { 18853 try { 18854 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 18855 .getCanonicalPath(); 18856 return path.getCanonicalPath().startsWith(privilegedAppDir); 18857 } catch (IOException e) { 18858 Slog.e(TAG, "Unable to access code path " + path); 18859 } 18860 return false; 18861 } 18862 18863 /* 18864 * Tries to delete system package. 18865 */ 18866 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 18867 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 18868 boolean writeSettings) { 18869 if (deletedPs.parentPackageName != null) { 18870 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 18871 return false; 18872 } 18873 18874 final boolean applyUserRestrictions 18875 = (allUserHandles != null) && (outInfo.origUsers != null); 18876 final PackageSetting disabledPs; 18877 // Confirm if the system package has been updated 18878 // An updated system app can be deleted. This will also have to restore 18879 // the system pkg from system partition 18880 // reader 18881 synchronized (mPackages) { 18882 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 18883 } 18884 18885 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 18886 + " disabledPs=" + disabledPs); 18887 18888 if (disabledPs == null) { 18889 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 18890 return false; 18891 } else if (DEBUG_REMOVE) { 18892 Slog.d(TAG, "Deleting system pkg from data partition"); 18893 } 18894 18895 if (DEBUG_REMOVE) { 18896 if (applyUserRestrictions) { 18897 Slog.d(TAG, "Remembering install states:"); 18898 for (int userId : allUserHandles) { 18899 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 18900 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 18901 } 18902 } 18903 } 18904 18905 // Delete the updated package 18906 outInfo.isRemovedPackageSystemUpdate = true; 18907 if (outInfo.removedChildPackages != null) { 18908 final int childCount = (deletedPs.childPackageNames != null) 18909 ? deletedPs.childPackageNames.size() : 0; 18910 for (int i = 0; i < childCount; i++) { 18911 String childPackageName = deletedPs.childPackageNames.get(i); 18912 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 18913 .contains(childPackageName)) { 18914 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 18915 childPackageName); 18916 if (childInfo != null) { 18917 childInfo.isRemovedPackageSystemUpdate = true; 18918 } 18919 } 18920 } 18921 } 18922 18923 if (disabledPs.versionCode < deletedPs.versionCode) { 18924 // Delete data for downgrades 18925 flags &= ~PackageManager.DELETE_KEEP_DATA; 18926 } else { 18927 // Preserve data by setting flag 18928 flags |= PackageManager.DELETE_KEEP_DATA; 18929 } 18930 18931 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 18932 outInfo, writeSettings, disabledPs.pkg); 18933 if (!ret) { 18934 return false; 18935 } 18936 18937 // writer 18938 synchronized (mPackages) { 18939 // Reinstate the old system package 18940 enableSystemPackageLPw(disabledPs.pkg); 18941 // Remove any native libraries from the upgraded package. 18942 removeNativeBinariesLI(deletedPs); 18943 } 18944 18945 // Install the system package 18946 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 18947 int parseFlags = mDefParseFlags 18948 | PackageParser.PARSE_MUST_BE_APK 18949 | PackageParser.PARSE_IS_SYSTEM 18950 | PackageParser.PARSE_IS_SYSTEM_DIR; 18951 if (locationIsPrivileged(disabledPs.codePath)) { 18952 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 18953 } 18954 18955 final PackageParser.Package newPkg; 18956 try { 18957 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, 0 /* scanFlags */, 18958 0 /* currentTime */, null); 18959 } catch (PackageManagerException e) { 18960 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 18961 + e.getMessage()); 18962 return false; 18963 } 18964 18965 try { 18966 // update shared libraries for the newly re-installed system package 18967 updateSharedLibrariesLPr(newPkg, null); 18968 } catch (PackageManagerException e) { 18969 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 18970 } 18971 18972 prepareAppDataAfterInstallLIF(newPkg); 18973 18974 // writer 18975 synchronized (mPackages) { 18976 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 18977 18978 // Propagate the permissions state as we do not want to drop on the floor 18979 // runtime permissions. The update permissions method below will take 18980 // care of removing obsolete permissions and grant install permissions. 18981 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 18982 updatePermissionsLPw(newPkg.packageName, newPkg, 18983 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 18984 18985 if (applyUserRestrictions) { 18986 boolean installedStateChanged = false; 18987 if (DEBUG_REMOVE) { 18988 Slog.d(TAG, "Propagating install state across reinstall"); 18989 } 18990 for (int userId : allUserHandles) { 18991 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 18992 if (DEBUG_REMOVE) { 18993 Slog.d(TAG, " user " + userId + " => " + installed); 18994 } 18995 if (installed != ps.getInstalled(userId)) { 18996 installedStateChanged = true; 18997 } 18998 ps.setInstalled(installed, userId); 18999 19000 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 19001 } 19002 // Regardless of writeSettings we need to ensure that this restriction 19003 // state propagation is persisted 19004 mSettings.writeAllUsersPackageRestrictionsLPr(); 19005 if (installedStateChanged) { 19006 mSettings.writeKernelMappingLPr(ps); 19007 } 19008 } 19009 // can downgrade to reader here 19010 if (writeSettings) { 19011 mSettings.writeLPr(); 19012 } 19013 } 19014 return true; 19015 } 19016 19017 private boolean deleteInstalledPackageLIF(PackageSetting ps, 19018 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 19019 PackageRemovedInfo outInfo, boolean writeSettings, 19020 PackageParser.Package replacingPackage) { 19021 synchronized (mPackages) { 19022 if (outInfo != null) { 19023 outInfo.uid = ps.appId; 19024 } 19025 19026 if (outInfo != null && outInfo.removedChildPackages != null) { 19027 final int childCount = (ps.childPackageNames != null) 19028 ? ps.childPackageNames.size() : 0; 19029 for (int i = 0; i < childCount; i++) { 19030 String childPackageName = ps.childPackageNames.get(i); 19031 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 19032 if (childPs == null) { 19033 return false; 19034 } 19035 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 19036 childPackageName); 19037 if (childInfo != null) { 19038 childInfo.uid = childPs.appId; 19039 } 19040 } 19041 } 19042 } 19043 19044 // Delete package data from internal structures and also remove data if flag is set 19045 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 19046 19047 // Delete the child packages data 19048 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 19049 for (int i = 0; i < childCount; i++) { 19050 PackageSetting childPs; 19051 synchronized (mPackages) { 19052 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 19053 } 19054 if (childPs != null) { 19055 PackageRemovedInfo childOutInfo = (outInfo != null 19056 && outInfo.removedChildPackages != null) 19057 ? outInfo.removedChildPackages.get(childPs.name) : null; 19058 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 19059 && (replacingPackage != null 19060 && !replacingPackage.hasChildPackage(childPs.name)) 19061 ? flags & ~DELETE_KEEP_DATA : flags; 19062 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 19063 deleteFlags, writeSettings); 19064 } 19065 } 19066 19067 // Delete application code and resources only for parent packages 19068 if (ps.parentPackageName == null) { 19069 if (deleteCodeAndResources && (outInfo != null)) { 19070 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 19071 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 19072 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 19073 } 19074 } 19075 19076 return true; 19077 } 19078 19079 @Override 19080 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 19081 int userId) { 19082 mContext.enforceCallingOrSelfPermission( 19083 android.Manifest.permission.DELETE_PACKAGES, null); 19084 synchronized (mPackages) { 19085 // Cannot block uninstall of static shared libs as they are 19086 // considered a part of the using app (emulating static linking). 19087 // Also static libs are installed always on internal storage. 19088 PackageParser.Package pkg = mPackages.get(packageName); 19089 if (pkg != null && pkg.staticSharedLibName != null) { 19090 Slog.w(TAG, "Cannot block uninstall of package: " + packageName 19091 + " providing static shared library: " + pkg.staticSharedLibName); 19092 return false; 19093 } 19094 mSettings.setBlockUninstallLPw(userId, packageName, blockUninstall); 19095 mSettings.writePackageRestrictionsLPr(userId); 19096 } 19097 return true; 19098 } 19099 19100 @Override 19101 public boolean getBlockUninstallForUser(String packageName, int userId) { 19102 synchronized (mPackages) { 19103 return mSettings.getBlockUninstallLPr(userId, packageName); 19104 } 19105 } 19106 19107 @Override 19108 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 19109 enforceSystemOrRoot("setRequiredForSystemUser can only be run by the system or root"); 19110 synchronized (mPackages) { 19111 PackageSetting ps = mSettings.mPackages.get(packageName); 19112 if (ps == null) { 19113 Log.w(TAG, "Package doesn't exist: " + packageName); 19114 return false; 19115 } 19116 if (systemUserApp) { 19117 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 19118 } else { 19119 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 19120 } 19121 mSettings.writeLPr(); 19122 } 19123 return true; 19124 } 19125 19126 /* 19127 * This method handles package deletion in general 19128 */ 19129 private boolean deletePackageLIF(String packageName, UserHandle user, 19130 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 19131 PackageRemovedInfo outInfo, boolean writeSettings, 19132 PackageParser.Package replacingPackage) { 19133 if (packageName == null) { 19134 Slog.w(TAG, "Attempt to delete null packageName."); 19135 return false; 19136 } 19137 19138 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 19139 19140 PackageSetting ps; 19141 synchronized (mPackages) { 19142 ps = mSettings.mPackages.get(packageName); 19143 if (ps == null) { 19144 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 19145 return false; 19146 } 19147 19148 if (ps.parentPackageName != null && (!isSystemApp(ps) 19149 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 19150 if (DEBUG_REMOVE) { 19151 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 19152 + ((user == null) ? UserHandle.USER_ALL : user)); 19153 } 19154 final int removedUserId = (user != null) ? user.getIdentifier() 19155 : UserHandle.USER_ALL; 19156 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 19157 return false; 19158 } 19159 markPackageUninstalledForUserLPw(ps, user); 19160 scheduleWritePackageRestrictionsLocked(user); 19161 return true; 19162 } 19163 } 19164 19165 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 19166 && user.getIdentifier() != UserHandle.USER_ALL)) { 19167 // The caller is asking that the package only be deleted for a single 19168 // user. To do this, we just mark its uninstalled state and delete 19169 // its data. If this is a system app, we only allow this to happen if 19170 // they have set the special DELETE_SYSTEM_APP which requests different 19171 // semantics than normal for uninstalling system apps. 19172 markPackageUninstalledForUserLPw(ps, user); 19173 19174 if (!isSystemApp(ps)) { 19175 // Do not uninstall the APK if an app should be cached 19176 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 19177 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 19178 // Other user still have this package installed, so all 19179 // we need to do is clear this user's data and save that 19180 // it is uninstalled. 19181 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 19182 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 19183 return false; 19184 } 19185 scheduleWritePackageRestrictionsLocked(user); 19186 return true; 19187 } else { 19188 // We need to set it back to 'installed' so the uninstall 19189 // broadcasts will be sent correctly. 19190 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 19191 ps.setInstalled(true, user.getIdentifier()); 19192 mSettings.writeKernelMappingLPr(ps); 19193 } 19194 } else { 19195 // This is a system app, so we assume that the 19196 // other users still have this package installed, so all 19197 // we need to do is clear this user's data and save that 19198 // it is uninstalled. 19199 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 19200 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 19201 return false; 19202 } 19203 scheduleWritePackageRestrictionsLocked(user); 19204 return true; 19205 } 19206 } 19207 19208 // If we are deleting a composite package for all users, keep track 19209 // of result for each child. 19210 if (ps.childPackageNames != null && outInfo != null) { 19211 synchronized (mPackages) { 19212 final int childCount = ps.childPackageNames.size(); 19213 outInfo.removedChildPackages = new ArrayMap<>(childCount); 19214 for (int i = 0; i < childCount; i++) { 19215 String childPackageName = ps.childPackageNames.get(i); 19216 PackageRemovedInfo childInfo = new PackageRemovedInfo(this); 19217 childInfo.removedPackage = childPackageName; 19218 childInfo.installerPackageName = ps.installerPackageName; 19219 outInfo.removedChildPackages.put(childPackageName, childInfo); 19220 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 19221 if (childPs != null) { 19222 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 19223 } 19224 } 19225 } 19226 } 19227 19228 boolean ret = false; 19229 if (isSystemApp(ps)) { 19230 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 19231 // When an updated system application is deleted we delete the existing resources 19232 // as well and fall back to existing code in system partition 19233 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 19234 } else { 19235 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 19236 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 19237 outInfo, writeSettings, replacingPackage); 19238 } 19239 19240 // Take a note whether we deleted the package for all users 19241 if (outInfo != null) { 19242 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 19243 if (outInfo.removedChildPackages != null) { 19244 synchronized (mPackages) { 19245 final int childCount = outInfo.removedChildPackages.size(); 19246 for (int i = 0; i < childCount; i++) { 19247 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 19248 if (childInfo != null) { 19249 childInfo.removedForAllUsers = mPackages.get( 19250 childInfo.removedPackage) == null; 19251 } 19252 } 19253 } 19254 } 19255 // If we uninstalled an update to a system app there may be some 19256 // child packages that appeared as they are declared in the system 19257 // app but were not declared in the update. 19258 if (isSystemApp(ps)) { 19259 synchronized (mPackages) { 19260 PackageSetting updatedPs = mSettings.getPackageLPr(ps.name); 19261 final int childCount = (updatedPs.childPackageNames != null) 19262 ? updatedPs.childPackageNames.size() : 0; 19263 for (int i = 0; i < childCount; i++) { 19264 String childPackageName = updatedPs.childPackageNames.get(i); 19265 if (outInfo.removedChildPackages == null 19266 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 19267 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 19268 if (childPs == null) { 19269 continue; 19270 } 19271 PackageInstalledInfo installRes = new PackageInstalledInfo(); 19272 installRes.name = childPackageName; 19273 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 19274 installRes.pkg = mPackages.get(childPackageName); 19275 installRes.uid = childPs.pkg.applicationInfo.uid; 19276 if (outInfo.appearedChildPackages == null) { 19277 outInfo.appearedChildPackages = new ArrayMap<>(); 19278 } 19279 outInfo.appearedChildPackages.put(childPackageName, installRes); 19280 } 19281 } 19282 } 19283 } 19284 } 19285 19286 return ret; 19287 } 19288 19289 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 19290 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 19291 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 19292 for (int nextUserId : userIds) { 19293 if (DEBUG_REMOVE) { 19294 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 19295 } 19296 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 19297 false /*installed*/, 19298 true /*stopped*/, 19299 true /*notLaunched*/, 19300 false /*hidden*/, 19301 false /*suspended*/, 19302 false /*instantApp*/, 19303 null /*lastDisableAppCaller*/, 19304 null /*enabledComponents*/, 19305 null /*disabledComponents*/, 19306 ps.readUserState(nextUserId).domainVerificationStatus, 19307 0, PackageManager.INSTALL_REASON_UNKNOWN); 19308 } 19309 mSettings.writeKernelMappingLPr(ps); 19310 } 19311 19312 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 19313 PackageRemovedInfo outInfo) { 19314 final PackageParser.Package pkg; 19315 synchronized (mPackages) { 19316 pkg = mPackages.get(ps.name); 19317 } 19318 19319 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 19320 : new int[] {userId}; 19321 for (int nextUserId : userIds) { 19322 if (DEBUG_REMOVE) { 19323 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 19324 + nextUserId); 19325 } 19326 19327 destroyAppDataLIF(pkg, userId, 19328 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19329 destroyAppProfilesLIF(pkg, userId); 19330 clearDefaultBrowserIfNeededForUser(ps.name, userId); 19331 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 19332 schedulePackageCleaning(ps.name, nextUserId, false); 19333 synchronized (mPackages) { 19334 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 19335 scheduleWritePackageRestrictionsLocked(nextUserId); 19336 } 19337 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 19338 } 19339 } 19340 19341 if (outInfo != null) { 19342 outInfo.removedPackage = ps.name; 19343 outInfo.installerPackageName = ps.installerPackageName; 19344 outInfo.isStaticSharedLib = pkg != null && pkg.staticSharedLibName != null; 19345 outInfo.removedAppId = ps.appId; 19346 outInfo.removedUsers = userIds; 19347 outInfo.broadcastUsers = userIds; 19348 } 19349 19350 return true; 19351 } 19352 19353 private final class ClearStorageConnection implements ServiceConnection { 19354 IMediaContainerService mContainerService; 19355 19356 @Override 19357 public void onServiceConnected(ComponentName name, IBinder service) { 19358 synchronized (this) { 19359 mContainerService = IMediaContainerService.Stub 19360 .asInterface(Binder.allowBlocking(service)); 19361 notifyAll(); 19362 } 19363 } 19364 19365 @Override 19366 public void onServiceDisconnected(ComponentName name) { 19367 } 19368 } 19369 19370 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 19371 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 19372 19373 final boolean mounted; 19374 if (Environment.isExternalStorageEmulated()) { 19375 mounted = true; 19376 } else { 19377 final String status = Environment.getExternalStorageState(); 19378 19379 mounted = status.equals(Environment.MEDIA_MOUNTED) 19380 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 19381 } 19382 19383 if (!mounted) { 19384 return; 19385 } 19386 19387 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 19388 int[] users; 19389 if (userId == UserHandle.USER_ALL) { 19390 users = sUserManager.getUserIds(); 19391 } else { 19392 users = new int[] { userId }; 19393 } 19394 final ClearStorageConnection conn = new ClearStorageConnection(); 19395 if (mContext.bindServiceAsUser( 19396 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 19397 try { 19398 for (int curUser : users) { 19399 long timeout = SystemClock.uptimeMillis() + 5000; 19400 synchronized (conn) { 19401 long now; 19402 while (conn.mContainerService == null && 19403 (now = SystemClock.uptimeMillis()) < timeout) { 19404 try { 19405 conn.wait(timeout - now); 19406 } catch (InterruptedException e) { 19407 } 19408 } 19409 } 19410 if (conn.mContainerService == null) { 19411 return; 19412 } 19413 19414 final UserEnvironment userEnv = new UserEnvironment(curUser); 19415 clearDirectory(conn.mContainerService, 19416 userEnv.buildExternalStorageAppCacheDirs(packageName)); 19417 if (allData) { 19418 clearDirectory(conn.mContainerService, 19419 userEnv.buildExternalStorageAppDataDirs(packageName)); 19420 clearDirectory(conn.mContainerService, 19421 userEnv.buildExternalStorageAppMediaDirs(packageName)); 19422 } 19423 } 19424 } finally { 19425 mContext.unbindService(conn); 19426 } 19427 } 19428 } 19429 19430 @Override 19431 public void clearApplicationProfileData(String packageName) { 19432 enforceSystemOrRoot("Only the system can clear all profile data"); 19433 19434 final PackageParser.Package pkg; 19435 synchronized (mPackages) { 19436 pkg = mPackages.get(packageName); 19437 } 19438 19439 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 19440 synchronized (mInstallLock) { 19441 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 19442 } 19443 } 19444 } 19445 19446 @Override 19447 public void clearApplicationUserData(final String packageName, 19448 final IPackageDataObserver observer, final int userId) { 19449 mContext.enforceCallingOrSelfPermission( 19450 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 19451 19452 enforceCrossUserPermission(Binder.getCallingUid(), userId, 19453 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 19454 19455 if (mProtectedPackages.isPackageDataProtected(userId, packageName)) { 19456 throw new SecurityException("Cannot clear data for a protected package: " 19457 + packageName); 19458 } 19459 // Queue up an async operation since the package deletion may take a little while. 19460 mHandler.post(new Runnable() { 19461 public void run() { 19462 mHandler.removeCallbacks(this); 19463 final boolean succeeded; 19464 try (PackageFreezer freezer = freezePackage(packageName, 19465 "clearApplicationUserData")) { 19466 synchronized (mInstallLock) { 19467 succeeded = clearApplicationUserDataLIF(packageName, userId); 19468 } 19469 clearExternalStorageDataSync(packageName, userId, true); 19470 synchronized (mPackages) { 19471 mInstantAppRegistry.deleteInstantApplicationMetadataLPw( 19472 packageName, userId); 19473 } 19474 } 19475 if (succeeded) { 19476 // invoke DeviceStorageMonitor's update method to clear any notifications 19477 DeviceStorageMonitorInternal dsm = LocalServices 19478 .getService(DeviceStorageMonitorInternal.class); 19479 if (dsm != null) { 19480 dsm.checkMemory(); 19481 } 19482 } 19483 if(observer != null) { 19484 try { 19485 observer.onRemoveCompleted(packageName, succeeded); 19486 } catch (RemoteException e) { 19487 Log.i(TAG, "Observer no longer exists."); 19488 } 19489 } //end if observer 19490 } //end run 19491 }); 19492 } 19493 19494 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 19495 if (packageName == null) { 19496 Slog.w(TAG, "Attempt to delete null packageName."); 19497 return false; 19498 } 19499 19500 // Try finding details about the requested package 19501 PackageParser.Package pkg; 19502 synchronized (mPackages) { 19503 pkg = mPackages.get(packageName); 19504 if (pkg == null) { 19505 final PackageSetting ps = mSettings.mPackages.get(packageName); 19506 if (ps != null) { 19507 pkg = ps.pkg; 19508 } 19509 } 19510 19511 if (pkg == null) { 19512 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 19513 return false; 19514 } 19515 19516 PackageSetting ps = (PackageSetting) pkg.mExtras; 19517 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 19518 } 19519 19520 clearAppDataLIF(pkg, userId, 19521 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19522 19523 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 19524 removeKeystoreDataIfNeeded(userId, appId); 19525 19526 UserManagerInternal umInternal = getUserManagerInternal(); 19527 final int flags; 19528 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 19529 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19530 } else if (umInternal.isUserRunning(userId)) { 19531 flags = StorageManager.FLAG_STORAGE_DE; 19532 } else { 19533 flags = 0; 19534 } 19535 prepareAppDataContentsLIF(pkg, userId, flags); 19536 19537 return true; 19538 } 19539 19540 /** 19541 * Reverts user permission state changes (permissions and flags) in 19542 * all packages for a given user. 19543 * 19544 * @param userId The device user for which to do a reset. 19545 */ 19546 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 19547 final int packageCount = mPackages.size(); 19548 for (int i = 0; i < packageCount; i++) { 19549 PackageParser.Package pkg = mPackages.valueAt(i); 19550 PackageSetting ps = (PackageSetting) pkg.mExtras; 19551 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 19552 } 19553 } 19554 19555 private void resetNetworkPolicies(int userId) { 19556 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 19557 } 19558 19559 /** 19560 * Reverts user permission state changes (permissions and flags). 19561 * 19562 * @param ps The package for which to reset. 19563 * @param userId The device user for which to do a reset. 19564 */ 19565 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 19566 final PackageSetting ps, final int userId) { 19567 if (ps.pkg == null) { 19568 return; 19569 } 19570 19571 // These are flags that can change base on user actions. 19572 final int userSettableMask = FLAG_PERMISSION_USER_SET 19573 | FLAG_PERMISSION_USER_FIXED 19574 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 19575 | FLAG_PERMISSION_REVIEW_REQUIRED; 19576 19577 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 19578 | FLAG_PERMISSION_POLICY_FIXED; 19579 19580 boolean writeInstallPermissions = false; 19581 boolean writeRuntimePermissions = false; 19582 19583 final int permissionCount = ps.pkg.requestedPermissions.size(); 19584 for (int i = 0; i < permissionCount; i++) { 19585 String permission = ps.pkg.requestedPermissions.get(i); 19586 19587 BasePermission bp = mSettings.mPermissions.get(permission); 19588 if (bp == null) { 19589 continue; 19590 } 19591 19592 // If shared user we just reset the state to which only this app contributed. 19593 if (ps.sharedUser != null) { 19594 boolean used = false; 19595 final int packageCount = ps.sharedUser.packages.size(); 19596 for (int j = 0; j < packageCount; j++) { 19597 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 19598 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 19599 && pkg.pkg.requestedPermissions.contains(permission)) { 19600 used = true; 19601 break; 19602 } 19603 } 19604 if (used) { 19605 continue; 19606 } 19607 } 19608 19609 PermissionsState permissionsState = ps.getPermissionsState(); 19610 19611 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 19612 19613 // Always clear the user settable flags. 19614 final boolean hasInstallState = permissionsState.getInstallPermissionState( 19615 bp.name) != null; 19616 // If permission review is enabled and this is a legacy app, mark the 19617 // permission as requiring a review as this is the initial state. 19618 int flags = 0; 19619 if (mPermissionReviewRequired 19620 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 19621 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 19622 } 19623 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 19624 if (hasInstallState) { 19625 writeInstallPermissions = true; 19626 } else { 19627 writeRuntimePermissions = true; 19628 } 19629 } 19630 19631 // Below is only runtime permission handling. 19632 if (!bp.isRuntime()) { 19633 continue; 19634 } 19635 19636 // Never clobber system or policy. 19637 if ((oldFlags & policyOrSystemFlags) != 0) { 19638 continue; 19639 } 19640 19641 // If this permission was granted by default, make sure it is. 19642 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 19643 if (permissionsState.grantRuntimePermission(bp, userId) 19644 != PERMISSION_OPERATION_FAILURE) { 19645 writeRuntimePermissions = true; 19646 } 19647 // If permission review is enabled the permissions for a legacy apps 19648 // are represented as constantly granted runtime ones, so don't revoke. 19649 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 19650 // Otherwise, reset the permission. 19651 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 19652 switch (revokeResult) { 19653 case PERMISSION_OPERATION_SUCCESS: 19654 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 19655 writeRuntimePermissions = true; 19656 final int appId = ps.appId; 19657 mHandler.post(new Runnable() { 19658 @Override 19659 public void run() { 19660 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 19661 } 19662 }); 19663 } break; 19664 } 19665 } 19666 } 19667 19668 // Synchronously write as we are taking permissions away. 19669 if (writeRuntimePermissions) { 19670 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 19671 } 19672 19673 // Synchronously write as we are taking permissions away. 19674 if (writeInstallPermissions) { 19675 mSettings.writeLPr(); 19676 } 19677 } 19678 19679 /** 19680 * Remove entries from the keystore daemon. Will only remove it if the 19681 * {@code appId} is valid. 19682 */ 19683 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 19684 if (appId < 0) { 19685 return; 19686 } 19687 19688 final KeyStore keyStore = KeyStore.getInstance(); 19689 if (keyStore != null) { 19690 if (userId == UserHandle.USER_ALL) { 19691 for (final int individual : sUserManager.getUserIds()) { 19692 keyStore.clearUid(UserHandle.getUid(individual, appId)); 19693 } 19694 } else { 19695 keyStore.clearUid(UserHandle.getUid(userId, appId)); 19696 } 19697 } else { 19698 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 19699 } 19700 } 19701 19702 @Override 19703 public void deleteApplicationCacheFiles(final String packageName, 19704 final IPackageDataObserver observer) { 19705 final int userId = UserHandle.getCallingUserId(); 19706 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 19707 } 19708 19709 @Override 19710 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 19711 final IPackageDataObserver observer) { 19712 mContext.enforceCallingOrSelfPermission( 19713 android.Manifest.permission.DELETE_CACHE_FILES, null); 19714 enforceCrossUserPermission(Binder.getCallingUid(), userId, 19715 /* requireFullPermission= */ true, /* checkShell= */ false, 19716 "delete application cache files"); 19717 19718 final PackageParser.Package pkg; 19719 synchronized (mPackages) { 19720 pkg = mPackages.get(packageName); 19721 } 19722 19723 // Queue up an async operation since the package deletion may take a little while. 19724 mHandler.post(new Runnable() { 19725 public void run() { 19726 synchronized (mInstallLock) { 19727 final int flags = StorageManager.FLAG_STORAGE_DE 19728 | StorageManager.FLAG_STORAGE_CE; 19729 // We're only clearing cache files, so we don't care if the 19730 // app is unfrozen and still able to run 19731 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 19732 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 19733 } 19734 clearExternalStorageDataSync(packageName, userId, false); 19735 if (observer != null) { 19736 try { 19737 observer.onRemoveCompleted(packageName, true); 19738 } catch (RemoteException e) { 19739 Log.i(TAG, "Observer no longer exists."); 19740 } 19741 } 19742 } 19743 }); 19744 } 19745 19746 @Override 19747 public void getPackageSizeInfo(final String packageName, int userHandle, 19748 final IPackageStatsObserver observer) { 19749 throw new UnsupportedOperationException( 19750 "Shame on you for calling the hidden API getPackageSizeInfo(). Shame!"); 19751 } 19752 19753 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 19754 final PackageSetting ps; 19755 synchronized (mPackages) { 19756 ps = mSettings.mPackages.get(packageName); 19757 if (ps == null) { 19758 Slog.w(TAG, "Failed to find settings for " + packageName); 19759 return false; 19760 } 19761 } 19762 19763 final String[] packageNames = { packageName }; 19764 final long[] ceDataInodes = { ps.getCeDataInode(userId) }; 19765 final String[] codePaths = { ps.codePathString }; 19766 19767 try { 19768 mInstaller.getAppSize(ps.volumeUuid, packageNames, userId, 0, 19769 ps.appId, ceDataInodes, codePaths, stats); 19770 19771 // For now, ignore code size of packages on system partition 19772 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 19773 stats.codeSize = 0; 19774 } 19775 19776 // External clients expect these to be tracked separately 19777 stats.dataSize -= stats.cacheSize; 19778 19779 } catch (InstallerException e) { 19780 Slog.w(TAG, String.valueOf(e)); 19781 return false; 19782 } 19783 19784 return true; 19785 } 19786 19787 private int getUidTargetSdkVersionLockedLPr(int uid) { 19788 Object obj = mSettings.getUserIdLPr(uid); 19789 if (obj instanceof SharedUserSetting) { 19790 final SharedUserSetting sus = (SharedUserSetting) obj; 19791 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 19792 final Iterator<PackageSetting> it = sus.packages.iterator(); 19793 while (it.hasNext()) { 19794 final PackageSetting ps = it.next(); 19795 if (ps.pkg != null) { 19796 int v = ps.pkg.applicationInfo.targetSdkVersion; 19797 if (v < vers) vers = v; 19798 } 19799 } 19800 return vers; 19801 } else if (obj instanceof PackageSetting) { 19802 final PackageSetting ps = (PackageSetting) obj; 19803 if (ps.pkg != null) { 19804 return ps.pkg.applicationInfo.targetSdkVersion; 19805 } 19806 } 19807 return Build.VERSION_CODES.CUR_DEVELOPMENT; 19808 } 19809 19810 @Override 19811 public void addPreferredActivity(IntentFilter filter, int match, 19812 ComponentName[] set, ComponentName activity, int userId) { 19813 addPreferredActivityInternal(filter, match, set, activity, true, userId, 19814 "Adding preferred"); 19815 } 19816 19817 private void addPreferredActivityInternal(IntentFilter filter, int match, 19818 ComponentName[] set, ComponentName activity, boolean always, int userId, 19819 String opname) { 19820 // writer 19821 int callingUid = Binder.getCallingUid(); 19822 enforceCrossUserPermission(callingUid, userId, 19823 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 19824 if (filter.countActions() == 0) { 19825 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 19826 return; 19827 } 19828 synchronized (mPackages) { 19829 if (mContext.checkCallingOrSelfPermission( 19830 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 19831 != PackageManager.PERMISSION_GRANTED) { 19832 if (getUidTargetSdkVersionLockedLPr(callingUid) 19833 < Build.VERSION_CODES.FROYO) { 19834 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 19835 + callingUid); 19836 return; 19837 } 19838 mContext.enforceCallingOrSelfPermission( 19839 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 19840 } 19841 19842 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 19843 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 19844 + userId + ":"); 19845 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 19846 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 19847 scheduleWritePackageRestrictionsLocked(userId); 19848 postPreferredActivityChangedBroadcast(userId); 19849 } 19850 } 19851 19852 private void postPreferredActivityChangedBroadcast(int userId) { 19853 mHandler.post(() -> { 19854 final IActivityManager am = ActivityManager.getService(); 19855 if (am == null) { 19856 return; 19857 } 19858 19859 final Intent intent = new Intent(Intent.ACTION_PREFERRED_ACTIVITY_CHANGED); 19860 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 19861 try { 19862 am.broadcastIntent(null, intent, null, null, 19863 0, null, null, null, android.app.AppOpsManager.OP_NONE, 19864 null, false, false, userId); 19865 } catch (RemoteException e) { 19866 } 19867 }); 19868 } 19869 19870 @Override 19871 public void replacePreferredActivity(IntentFilter filter, int match, 19872 ComponentName[] set, ComponentName activity, int userId) { 19873 if (filter.countActions() != 1) { 19874 throw new IllegalArgumentException( 19875 "replacePreferredActivity expects filter to have only 1 action."); 19876 } 19877 if (filter.countDataAuthorities() != 0 19878 || filter.countDataPaths() != 0 19879 || filter.countDataSchemes() > 1 19880 || filter.countDataTypes() != 0) { 19881 throw new IllegalArgumentException( 19882 "replacePreferredActivity expects filter to have no data authorities, " + 19883 "paths, or types; and at most one scheme."); 19884 } 19885 19886 final int callingUid = Binder.getCallingUid(); 19887 enforceCrossUserPermission(callingUid, userId, 19888 true /* requireFullPermission */, false /* checkShell */, 19889 "replace preferred activity"); 19890 synchronized (mPackages) { 19891 if (mContext.checkCallingOrSelfPermission( 19892 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 19893 != PackageManager.PERMISSION_GRANTED) { 19894 if (getUidTargetSdkVersionLockedLPr(callingUid) 19895 < Build.VERSION_CODES.FROYO) { 19896 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 19897 + Binder.getCallingUid()); 19898 return; 19899 } 19900 mContext.enforceCallingOrSelfPermission( 19901 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 19902 } 19903 19904 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 19905 if (pir != null) { 19906 // Get all of the existing entries that exactly match this filter. 19907 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 19908 if (existing != null && existing.size() == 1) { 19909 PreferredActivity cur = existing.get(0); 19910 if (DEBUG_PREFERRED) { 19911 Slog.i(TAG, "Checking replace of preferred:"); 19912 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 19913 if (!cur.mPref.mAlways) { 19914 Slog.i(TAG, " -- CUR; not mAlways!"); 19915 } else { 19916 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 19917 Slog.i(TAG, " -- CUR: mSet=" 19918 + Arrays.toString(cur.mPref.mSetComponents)); 19919 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 19920 Slog.i(TAG, " -- NEW: mMatch=" 19921 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 19922 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 19923 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 19924 } 19925 } 19926 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 19927 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 19928 && cur.mPref.sameSet(set)) { 19929 // Setting the preferred activity to what it happens to be already 19930 if (DEBUG_PREFERRED) { 19931 Slog.i(TAG, "Replacing with same preferred activity " 19932 + cur.mPref.mShortComponent + " for user " 19933 + userId + ":"); 19934 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 19935 } 19936 return; 19937 } 19938 } 19939 19940 if (existing != null) { 19941 if (DEBUG_PREFERRED) { 19942 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 19943 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 19944 } 19945 for (int i = 0; i < existing.size(); i++) { 19946 PreferredActivity pa = existing.get(i); 19947 if (DEBUG_PREFERRED) { 19948 Slog.i(TAG, "Removing existing preferred activity " 19949 + pa.mPref.mComponent + ":"); 19950 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 19951 } 19952 pir.removeFilter(pa); 19953 } 19954 } 19955 } 19956 addPreferredActivityInternal(filter, match, set, activity, true, userId, 19957 "Replacing preferred"); 19958 } 19959 } 19960 19961 @Override 19962 public void clearPackagePreferredActivities(String packageName) { 19963 final int callingUid = Binder.getCallingUid(); 19964 if (getInstantAppPackageName(callingUid) != null) { 19965 return; 19966 } 19967 // writer 19968 synchronized (mPackages) { 19969 PackageParser.Package pkg = mPackages.get(packageName); 19970 if (pkg == null || pkg.applicationInfo.uid != callingUid) { 19971 if (mContext.checkCallingOrSelfPermission( 19972 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 19973 != PackageManager.PERMISSION_GRANTED) { 19974 if (getUidTargetSdkVersionLockedLPr(callingUid) 19975 < Build.VERSION_CODES.FROYO) { 19976 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 19977 + callingUid); 19978 return; 19979 } 19980 mContext.enforceCallingOrSelfPermission( 19981 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 19982 } 19983 } 19984 19985 int user = UserHandle.getCallingUserId(); 19986 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 19987 scheduleWritePackageRestrictionsLocked(user); 19988 } 19989 } 19990 } 19991 19992 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 19993 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 19994 ArrayList<PreferredActivity> removed = null; 19995 boolean changed = false; 19996 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 19997 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 19998 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 19999 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 20000 continue; 20001 } 20002 Iterator<PreferredActivity> it = pir.filterIterator(); 20003 while (it.hasNext()) { 20004 PreferredActivity pa = it.next(); 20005 // Mark entry for removal only if it matches the package name 20006 // and the entry is of type "always". 20007 if (packageName == null || 20008 (pa.mPref.mComponent.getPackageName().equals(packageName) 20009 && pa.mPref.mAlways)) { 20010 if (removed == null) { 20011 removed = new ArrayList<PreferredActivity>(); 20012 } 20013 removed.add(pa); 20014 } 20015 } 20016 if (removed != null) { 20017 for (int j=0; j<removed.size(); j++) { 20018 PreferredActivity pa = removed.get(j); 20019 pir.removeFilter(pa); 20020 } 20021 changed = true; 20022 } 20023 } 20024 if (changed) { 20025 postPreferredActivityChangedBroadcast(userId); 20026 } 20027 return changed; 20028 } 20029 20030 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 20031 private void clearIntentFilterVerificationsLPw(int userId) { 20032 final int packageCount = mPackages.size(); 20033 for (int i = 0; i < packageCount; i++) { 20034 PackageParser.Package pkg = mPackages.valueAt(i); 20035 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 20036 } 20037 } 20038 20039 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 20040 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 20041 if (userId == UserHandle.USER_ALL) { 20042 if (mSettings.removeIntentFilterVerificationLPw(packageName, 20043 sUserManager.getUserIds())) { 20044 for (int oneUserId : sUserManager.getUserIds()) { 20045 scheduleWritePackageRestrictionsLocked(oneUserId); 20046 } 20047 } 20048 } else { 20049 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 20050 scheduleWritePackageRestrictionsLocked(userId); 20051 } 20052 } 20053 } 20054 20055 /** Clears state for all users, and touches intent filter verification policy */ 20056 void clearDefaultBrowserIfNeeded(String packageName) { 20057 for (int oneUserId : sUserManager.getUserIds()) { 20058 clearDefaultBrowserIfNeededForUser(packageName, oneUserId); 20059 } 20060 } 20061 20062 private void clearDefaultBrowserIfNeededForUser(String packageName, int userId) { 20063 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 20064 if (!TextUtils.isEmpty(defaultBrowserPackageName)) { 20065 if (packageName.equals(defaultBrowserPackageName)) { 20066 setDefaultBrowserPackageName(null, userId); 20067 } 20068 } 20069 } 20070 20071 @Override 20072 public void resetApplicationPreferences(int userId) { 20073 mContext.enforceCallingOrSelfPermission( 20074 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 20075 final long identity = Binder.clearCallingIdentity(); 20076 // writer 20077 try { 20078 synchronized (mPackages) { 20079 clearPackagePreferredActivitiesLPw(null, userId); 20080 mSettings.applyDefaultPreferredAppsLPw(this, userId); 20081 // TODO: We have to reset the default SMS and Phone. This requires 20082 // significant refactoring to keep all default apps in the package 20083 // manager (cleaner but more work) or have the services provide 20084 // callbacks to the package manager to request a default app reset. 20085 applyFactoryDefaultBrowserLPw(userId); 20086 clearIntentFilterVerificationsLPw(userId); 20087 primeDomainVerificationsLPw(userId); 20088 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 20089 scheduleWritePackageRestrictionsLocked(userId); 20090 } 20091 resetNetworkPolicies(userId); 20092 } finally { 20093 Binder.restoreCallingIdentity(identity); 20094 } 20095 } 20096 20097 @Override 20098 public int getPreferredActivities(List<IntentFilter> outFilters, 20099 List<ComponentName> outActivities, String packageName) { 20100 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 20101 return 0; 20102 } 20103 int num = 0; 20104 final int userId = UserHandle.getCallingUserId(); 20105 // reader 20106 synchronized (mPackages) { 20107 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 20108 if (pir != null) { 20109 final Iterator<PreferredActivity> it = pir.filterIterator(); 20110 while (it.hasNext()) { 20111 final PreferredActivity pa = it.next(); 20112 if (packageName == null 20113 || (pa.mPref.mComponent.getPackageName().equals(packageName) 20114 && pa.mPref.mAlways)) { 20115 if (outFilters != null) { 20116 outFilters.add(new IntentFilter(pa)); 20117 } 20118 if (outActivities != null) { 20119 outActivities.add(pa.mPref.mComponent); 20120 } 20121 } 20122 } 20123 } 20124 } 20125 20126 return num; 20127 } 20128 20129 @Override 20130 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 20131 int userId) { 20132 int callingUid = Binder.getCallingUid(); 20133 if (callingUid != Process.SYSTEM_UID) { 20134 throw new SecurityException( 20135 "addPersistentPreferredActivity can only be run by the system"); 20136 } 20137 if (filter.countActions() == 0) { 20138 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 20139 return; 20140 } 20141 synchronized (mPackages) { 20142 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 20143 ":"); 20144 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 20145 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 20146 new PersistentPreferredActivity(filter, activity)); 20147 scheduleWritePackageRestrictionsLocked(userId); 20148 postPreferredActivityChangedBroadcast(userId); 20149 } 20150 } 20151 20152 @Override 20153 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 20154 int callingUid = Binder.getCallingUid(); 20155 if (callingUid != Process.SYSTEM_UID) { 20156 throw new SecurityException( 20157 "clearPackagePersistentPreferredActivities can only be run by the system"); 20158 } 20159 ArrayList<PersistentPreferredActivity> removed = null; 20160 boolean changed = false; 20161 synchronized (mPackages) { 20162 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 20163 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 20164 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 20165 .valueAt(i); 20166 if (userId != thisUserId) { 20167 continue; 20168 } 20169 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 20170 while (it.hasNext()) { 20171 PersistentPreferredActivity ppa = it.next(); 20172 // Mark entry for removal only if it matches the package name. 20173 if (ppa.mComponent.getPackageName().equals(packageName)) { 20174 if (removed == null) { 20175 removed = new ArrayList<PersistentPreferredActivity>(); 20176 } 20177 removed.add(ppa); 20178 } 20179 } 20180 if (removed != null) { 20181 for (int j=0; j<removed.size(); j++) { 20182 PersistentPreferredActivity ppa = removed.get(j); 20183 ppir.removeFilter(ppa); 20184 } 20185 changed = true; 20186 } 20187 } 20188 20189 if (changed) { 20190 scheduleWritePackageRestrictionsLocked(userId); 20191 postPreferredActivityChangedBroadcast(userId); 20192 } 20193 } 20194 } 20195 20196 /** 20197 * Common machinery for picking apart a restored XML blob and passing 20198 * it to a caller-supplied functor to be applied to the running system. 20199 */ 20200 private void restoreFromXml(XmlPullParser parser, int userId, 20201 String expectedStartTag, BlobXmlRestorer functor) 20202 throws IOException, XmlPullParserException { 20203 int type; 20204 while ((type = parser.next()) != XmlPullParser.START_TAG 20205 && type != XmlPullParser.END_DOCUMENT) { 20206 } 20207 if (type != XmlPullParser.START_TAG) { 20208 // oops didn't find a start tag?! 20209 if (DEBUG_BACKUP) { 20210 Slog.e(TAG, "Didn't find start tag during restore"); 20211 } 20212 return; 20213 } 20214Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 20215 // this is supposed to be TAG_PREFERRED_BACKUP 20216 if (!expectedStartTag.equals(parser.getName())) { 20217 if (DEBUG_BACKUP) { 20218 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 20219 } 20220 return; 20221 } 20222 20223 // skip interfering stuff, then we're aligned with the backing implementation 20224 while ((type = parser.next()) == XmlPullParser.TEXT) { } 20225Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 20226 functor.apply(parser, userId); 20227 } 20228 20229 private interface BlobXmlRestorer { 20230 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 20231 } 20232 20233 /** 20234 * Non-Binder method, support for the backup/restore mechanism: write the 20235 * full set of preferred activities in its canonical XML format. Returns the 20236 * XML output as a byte array, or null if there is none. 20237 */ 20238 @Override 20239 public byte[] getPreferredActivityBackup(int userId) { 20240 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 20241 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 20242 } 20243 20244 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 20245 try { 20246 final XmlSerializer serializer = new FastXmlSerializer(); 20247 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 20248 serializer.startDocument(null, true); 20249 serializer.startTag(null, TAG_PREFERRED_BACKUP); 20250 20251 synchronized (mPackages) { 20252 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 20253 } 20254 20255 serializer.endTag(null, TAG_PREFERRED_BACKUP); 20256 serializer.endDocument(); 20257 serializer.flush(); 20258 } catch (Exception e) { 20259 if (DEBUG_BACKUP) { 20260 Slog.e(TAG, "Unable to write preferred activities for backup", e); 20261 } 20262 return null; 20263 } 20264 20265 return dataStream.toByteArray(); 20266 } 20267 20268 @Override 20269 public void restorePreferredActivities(byte[] backup, int userId) { 20270 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 20271 throw new SecurityException("Only the system may call restorePreferredActivities()"); 20272 } 20273 20274 try { 20275 final XmlPullParser parser = Xml.newPullParser(); 20276 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 20277 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 20278 new BlobXmlRestorer() { 20279 @Override 20280 public void apply(XmlPullParser parser, int userId) 20281 throws XmlPullParserException, IOException { 20282 synchronized (mPackages) { 20283 mSettings.readPreferredActivitiesLPw(parser, userId); 20284 } 20285 } 20286 } ); 20287 } catch (Exception e) { 20288 if (DEBUG_BACKUP) { 20289 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 20290 } 20291 } 20292 } 20293 20294 /** 20295 * Non-Binder method, support for the backup/restore mechanism: write the 20296 * default browser (etc) settings in its canonical XML format. Returns the default 20297 * browser XML representation as a byte array, or null if there is none. 20298 */ 20299 @Override 20300 public byte[] getDefaultAppsBackup(int userId) { 20301 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 20302 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 20303 } 20304 20305 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 20306 try { 20307 final XmlSerializer serializer = new FastXmlSerializer(); 20308 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 20309 serializer.startDocument(null, true); 20310 serializer.startTag(null, TAG_DEFAULT_APPS); 20311 20312 synchronized (mPackages) { 20313 mSettings.writeDefaultAppsLPr(serializer, userId); 20314 } 20315 20316 serializer.endTag(null, TAG_DEFAULT_APPS); 20317 serializer.endDocument(); 20318 serializer.flush(); 20319 } catch (Exception e) { 20320 if (DEBUG_BACKUP) { 20321 Slog.e(TAG, "Unable to write default apps for backup", e); 20322 } 20323 return null; 20324 } 20325 20326 return dataStream.toByteArray(); 20327 } 20328 20329 @Override 20330 public void restoreDefaultApps(byte[] backup, int userId) { 20331 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 20332 throw new SecurityException("Only the system may call restoreDefaultApps()"); 20333 } 20334 20335 try { 20336 final XmlPullParser parser = Xml.newPullParser(); 20337 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 20338 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 20339 new BlobXmlRestorer() { 20340 @Override 20341 public void apply(XmlPullParser parser, int userId) 20342 throws XmlPullParserException, IOException { 20343 synchronized (mPackages) { 20344 mSettings.readDefaultAppsLPw(parser, userId); 20345 } 20346 } 20347 } ); 20348 } catch (Exception e) { 20349 if (DEBUG_BACKUP) { 20350 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 20351 } 20352 } 20353 } 20354 20355 @Override 20356 public byte[] getIntentFilterVerificationBackup(int userId) { 20357 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 20358 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 20359 } 20360 20361 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 20362 try { 20363 final XmlSerializer serializer = new FastXmlSerializer(); 20364 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 20365 serializer.startDocument(null, true); 20366 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 20367 20368 synchronized (mPackages) { 20369 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 20370 } 20371 20372 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 20373 serializer.endDocument(); 20374 serializer.flush(); 20375 } catch (Exception e) { 20376 if (DEBUG_BACKUP) { 20377 Slog.e(TAG, "Unable to write default apps for backup", e); 20378 } 20379 return null; 20380 } 20381 20382 return dataStream.toByteArray(); 20383 } 20384 20385 @Override 20386 public void restoreIntentFilterVerification(byte[] backup, int userId) { 20387 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 20388 throw new SecurityException("Only the system may call restorePreferredActivities()"); 20389 } 20390 20391 try { 20392 final XmlPullParser parser = Xml.newPullParser(); 20393 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 20394 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 20395 new BlobXmlRestorer() { 20396 @Override 20397 public void apply(XmlPullParser parser, int userId) 20398 throws XmlPullParserException, IOException { 20399 synchronized (mPackages) { 20400 mSettings.readAllDomainVerificationsLPr(parser, userId); 20401 mSettings.writeLPr(); 20402 } 20403 } 20404 } ); 20405 } catch (Exception e) { 20406 if (DEBUG_BACKUP) { 20407 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 20408 } 20409 } 20410 } 20411 20412 @Override 20413 public byte[] getPermissionGrantBackup(int userId) { 20414 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 20415 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 20416 } 20417 20418 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 20419 try { 20420 final XmlSerializer serializer = new FastXmlSerializer(); 20421 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 20422 serializer.startDocument(null, true); 20423 serializer.startTag(null, TAG_PERMISSION_BACKUP); 20424 20425 synchronized (mPackages) { 20426 serializeRuntimePermissionGrantsLPr(serializer, userId); 20427 } 20428 20429 serializer.endTag(null, TAG_PERMISSION_BACKUP); 20430 serializer.endDocument(); 20431 serializer.flush(); 20432 } catch (Exception e) { 20433 if (DEBUG_BACKUP) { 20434 Slog.e(TAG, "Unable to write default apps for backup", e); 20435 } 20436 return null; 20437 } 20438 20439 return dataStream.toByteArray(); 20440 } 20441 20442 @Override 20443 public void restorePermissionGrants(byte[] backup, int userId) { 20444 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 20445 throw new SecurityException("Only the system may call restorePermissionGrants()"); 20446 } 20447 20448 try { 20449 final XmlPullParser parser = Xml.newPullParser(); 20450 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 20451 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 20452 new BlobXmlRestorer() { 20453 @Override 20454 public void apply(XmlPullParser parser, int userId) 20455 throws XmlPullParserException, IOException { 20456 synchronized (mPackages) { 20457 processRestoredPermissionGrantsLPr(parser, userId); 20458 } 20459 } 20460 } ); 20461 } catch (Exception e) { 20462 if (DEBUG_BACKUP) { 20463 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 20464 } 20465 } 20466 } 20467 20468 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 20469 throws IOException { 20470 serializer.startTag(null, TAG_ALL_GRANTS); 20471 20472 final int N = mSettings.mPackages.size(); 20473 for (int i = 0; i < N; i++) { 20474 final PackageSetting ps = mSettings.mPackages.valueAt(i); 20475 boolean pkgGrantsKnown = false; 20476 20477 PermissionsState packagePerms = ps.getPermissionsState(); 20478 20479 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 20480 final int grantFlags = state.getFlags(); 20481 // only look at grants that are not system/policy fixed 20482 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 20483 final boolean isGranted = state.isGranted(); 20484 // And only back up the user-twiddled state bits 20485 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 20486 final String packageName = mSettings.mPackages.keyAt(i); 20487 if (!pkgGrantsKnown) { 20488 serializer.startTag(null, TAG_GRANT); 20489 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 20490 pkgGrantsKnown = true; 20491 } 20492 20493 final boolean userSet = 20494 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 20495 final boolean userFixed = 20496 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 20497 final boolean revoke = 20498 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 20499 20500 serializer.startTag(null, TAG_PERMISSION); 20501 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 20502 if (isGranted) { 20503 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 20504 } 20505 if (userSet) { 20506 serializer.attribute(null, ATTR_USER_SET, "true"); 20507 } 20508 if (userFixed) { 20509 serializer.attribute(null, ATTR_USER_FIXED, "true"); 20510 } 20511 if (revoke) { 20512 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 20513 } 20514 serializer.endTag(null, TAG_PERMISSION); 20515 } 20516 } 20517 } 20518 20519 if (pkgGrantsKnown) { 20520 serializer.endTag(null, TAG_GRANT); 20521 } 20522 } 20523 20524 serializer.endTag(null, TAG_ALL_GRANTS); 20525 } 20526 20527 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 20528 throws XmlPullParserException, IOException { 20529 String pkgName = null; 20530 int outerDepth = parser.getDepth(); 20531 int type; 20532 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 20533 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 20534 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 20535 continue; 20536 } 20537 20538 final String tagName = parser.getName(); 20539 if (tagName.equals(TAG_GRANT)) { 20540 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 20541 if (DEBUG_BACKUP) { 20542 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 20543 } 20544 } else if (tagName.equals(TAG_PERMISSION)) { 20545 20546 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 20547 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 20548 20549 int newFlagSet = 0; 20550 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 20551 newFlagSet |= FLAG_PERMISSION_USER_SET; 20552 } 20553 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 20554 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 20555 } 20556 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 20557 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 20558 } 20559 if (DEBUG_BACKUP) { 20560 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 20561 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 20562 } 20563 final PackageSetting ps = mSettings.mPackages.get(pkgName); 20564 if (ps != null) { 20565 // Already installed so we apply the grant immediately 20566 if (DEBUG_BACKUP) { 20567 Slog.v(TAG, " + already installed; applying"); 20568 } 20569 PermissionsState perms = ps.getPermissionsState(); 20570 BasePermission bp = mSettings.mPermissions.get(permName); 20571 if (bp != null) { 20572 if (isGranted) { 20573 perms.grantRuntimePermission(bp, userId); 20574 } 20575 if (newFlagSet != 0) { 20576 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 20577 } 20578 } 20579 } else { 20580 // Need to wait for post-restore install to apply the grant 20581 if (DEBUG_BACKUP) { 20582 Slog.v(TAG, " - not yet installed; saving for later"); 20583 } 20584 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 20585 isGranted, newFlagSet, userId); 20586 } 20587 } else { 20588 PackageManagerService.reportSettingsProblem(Log.WARN, 20589 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 20590 XmlUtils.skipCurrentTag(parser); 20591 } 20592 } 20593 20594 scheduleWriteSettingsLocked(); 20595 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 20596 } 20597 20598 @Override 20599 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 20600 int sourceUserId, int targetUserId, int flags) { 20601 mContext.enforceCallingOrSelfPermission( 20602 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 20603 int callingUid = Binder.getCallingUid(); 20604 enforceOwnerRights(ownerPackage, callingUid); 20605 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 20606 if (intentFilter.countActions() == 0) { 20607 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 20608 return; 20609 } 20610 synchronized (mPackages) { 20611 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 20612 ownerPackage, targetUserId, flags); 20613 CrossProfileIntentResolver resolver = 20614 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 20615 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 20616 // We have all those whose filter is equal. Now checking if the rest is equal as well. 20617 if (existing != null) { 20618 int size = existing.size(); 20619 for (int i = 0; i < size; i++) { 20620 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 20621 return; 20622 } 20623 } 20624 } 20625 resolver.addFilter(newFilter); 20626 scheduleWritePackageRestrictionsLocked(sourceUserId); 20627 } 20628 } 20629 20630 @Override 20631 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 20632 mContext.enforceCallingOrSelfPermission( 20633 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 20634 int callingUid = Binder.getCallingUid(); 20635 enforceOwnerRights(ownerPackage, callingUid); 20636 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 20637 synchronized (mPackages) { 20638 CrossProfileIntentResolver resolver = 20639 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 20640 ArraySet<CrossProfileIntentFilter> set = 20641 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 20642 for (CrossProfileIntentFilter filter : set) { 20643 if (filter.getOwnerPackage().equals(ownerPackage)) { 20644 resolver.removeFilter(filter); 20645 } 20646 } 20647 scheduleWritePackageRestrictionsLocked(sourceUserId); 20648 } 20649 } 20650 20651 // Enforcing that callingUid is owning pkg on userId 20652 private void enforceOwnerRights(String pkg, int callingUid) { 20653 // The system owns everything. 20654 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 20655 return; 20656 } 20657 int callingUserId = UserHandle.getUserId(callingUid); 20658 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 20659 if (pi == null) { 20660 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 20661 + callingUserId); 20662 } 20663 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 20664 throw new SecurityException("Calling uid " + callingUid 20665 + " does not own package " + pkg); 20666 } 20667 } 20668 20669 @Override 20670 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 20671 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 20672 return null; 20673 } 20674 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 20675 } 20676 20677 public void sendSessionCommitBroadcast(PackageInstaller.SessionInfo sessionInfo, int userId) { 20678 UserManagerService ums = UserManagerService.getInstance(); 20679 if (ums != null) { 20680 final UserInfo parent = ums.getProfileParent(userId); 20681 final int launcherUid = (parent != null) ? parent.id : userId; 20682 final ComponentName launcherComponent = getDefaultHomeActivity(launcherUid); 20683 if (launcherComponent != null) { 20684 Intent launcherIntent = new Intent(PackageInstaller.ACTION_SESSION_COMMITTED) 20685 .putExtra(PackageInstaller.EXTRA_SESSION, sessionInfo) 20686 .putExtra(Intent.EXTRA_USER, UserHandle.of(userId)) 20687 .setPackage(launcherComponent.getPackageName()); 20688 mContext.sendBroadcastAsUser(launcherIntent, UserHandle.of(launcherUid)); 20689 } 20690 } 20691 } 20692 20693 /** 20694 * Report the 'Home' activity which is currently set as "always use this one". If non is set 20695 * then reports the most likely home activity or null if there are more than one. 20696 */ 20697 private ComponentName getDefaultHomeActivity(int userId) { 20698 List<ResolveInfo> allHomeCandidates = new ArrayList<>(); 20699 ComponentName cn = getHomeActivitiesAsUser(allHomeCandidates, userId); 20700 if (cn != null) { 20701 return cn; 20702 } 20703 20704 // Find the launcher with the highest priority and return that component if there are no 20705 // other home activity with the same priority. 20706 int lastPriority = Integer.MIN_VALUE; 20707 ComponentName lastComponent = null; 20708 final int size = allHomeCandidates.size(); 20709 for (int i = 0; i < size; i++) { 20710 final ResolveInfo ri = allHomeCandidates.get(i); 20711 if (ri.priority > lastPriority) { 20712 lastComponent = ri.activityInfo.getComponentName(); 20713 lastPriority = ri.priority; 20714 } else if (ri.priority == lastPriority) { 20715 // Two components found with same priority. 20716 lastComponent = null; 20717 } 20718 } 20719 return lastComponent; 20720 } 20721 20722 private Intent getHomeIntent() { 20723 Intent intent = new Intent(Intent.ACTION_MAIN); 20724 intent.addCategory(Intent.CATEGORY_HOME); 20725 intent.addCategory(Intent.CATEGORY_DEFAULT); 20726 return intent; 20727 } 20728 20729 private IntentFilter getHomeFilter() { 20730 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 20731 filter.addCategory(Intent.CATEGORY_HOME); 20732 filter.addCategory(Intent.CATEGORY_DEFAULT); 20733 return filter; 20734 } 20735 20736 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 20737 int userId) { 20738 Intent intent = getHomeIntent(); 20739 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 20740 PackageManager.GET_META_DATA, userId); 20741 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 20742 true, false, false, userId); 20743 20744 allHomeCandidates.clear(); 20745 if (list != null) { 20746 for (ResolveInfo ri : list) { 20747 allHomeCandidates.add(ri); 20748 } 20749 } 20750 return (preferred == null || preferred.activityInfo == null) 20751 ? null 20752 : new ComponentName(preferred.activityInfo.packageName, 20753 preferred.activityInfo.name); 20754 } 20755 20756 @Override 20757 public void setHomeActivity(ComponentName comp, int userId) { 20758 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 20759 return; 20760 } 20761 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 20762 getHomeActivitiesAsUser(homeActivities, userId); 20763 20764 boolean found = false; 20765 20766 final int size = homeActivities.size(); 20767 final ComponentName[] set = new ComponentName[size]; 20768 for (int i = 0; i < size; i++) { 20769 final ResolveInfo candidate = homeActivities.get(i); 20770 final ActivityInfo info = candidate.activityInfo; 20771 final ComponentName activityName = new ComponentName(info.packageName, info.name); 20772 set[i] = activityName; 20773 if (!found && activityName.equals(comp)) { 20774 found = true; 20775 } 20776 } 20777 if (!found) { 20778 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 20779 + userId); 20780 } 20781 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 20782 set, comp, userId); 20783 } 20784 20785 private @Nullable String getSetupWizardPackageName() { 20786 final Intent intent = new Intent(Intent.ACTION_MAIN); 20787 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 20788 20789 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 20790 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 20791 | MATCH_DISABLED_COMPONENTS, 20792 UserHandle.myUserId()); 20793 if (matches.size() == 1) { 20794 return matches.get(0).getComponentInfo().packageName; 20795 } else { 20796 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 20797 + ": matches=" + matches); 20798 return null; 20799 } 20800 } 20801 20802 private @Nullable String getStorageManagerPackageName() { 20803 final Intent intent = new Intent(StorageManager.ACTION_MANAGE_STORAGE); 20804 20805 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 20806 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 20807 | MATCH_DISABLED_COMPONENTS, 20808 UserHandle.myUserId()); 20809 if (matches.size() == 1) { 20810 return matches.get(0).getComponentInfo().packageName; 20811 } else { 20812 Slog.e(TAG, "There should probably be exactly one storage manager; found " 20813 + matches.size() + ": matches=" + matches); 20814 return null; 20815 } 20816 } 20817 20818 @Override 20819 public void setApplicationEnabledSetting(String appPackageName, 20820 int newState, int flags, int userId, String callingPackage) { 20821 if (!sUserManager.exists(userId)) return; 20822 if (callingPackage == null) { 20823 callingPackage = Integer.toString(Binder.getCallingUid()); 20824 } 20825 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 20826 } 20827 20828 @Override 20829 public void setUpdateAvailable(String packageName, boolean updateAvailable) { 20830 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 20831 synchronized (mPackages) { 20832 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 20833 if (pkgSetting != null) { 20834 pkgSetting.setUpdateAvailable(updateAvailable); 20835 } 20836 } 20837 } 20838 20839 @Override 20840 public void setComponentEnabledSetting(ComponentName componentName, 20841 int newState, int flags, int userId) { 20842 if (!sUserManager.exists(userId)) return; 20843 setEnabledSetting(componentName.getPackageName(), 20844 componentName.getClassName(), newState, flags, userId, null); 20845 } 20846 20847 private void setEnabledSetting(final String packageName, String className, int newState, 20848 final int flags, int userId, String callingPackage) { 20849 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 20850 || newState == COMPONENT_ENABLED_STATE_ENABLED 20851 || newState == COMPONENT_ENABLED_STATE_DISABLED 20852 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 20853 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 20854 throw new IllegalArgumentException("Invalid new component state: " 20855 + newState); 20856 } 20857 PackageSetting pkgSetting; 20858 final int callingUid = Binder.getCallingUid(); 20859 final int permission; 20860 if (callingUid == Process.SYSTEM_UID) { 20861 permission = PackageManager.PERMISSION_GRANTED; 20862 } else { 20863 permission = mContext.checkCallingOrSelfPermission( 20864 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 20865 } 20866 enforceCrossUserPermission(callingUid, userId, 20867 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 20868 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 20869 boolean sendNow = false; 20870 boolean isApp = (className == null); 20871 final boolean isCallerInstantApp = (getInstantAppPackageName(callingUid) != null); 20872 String componentName = isApp ? packageName : className; 20873 int packageUid = -1; 20874 ArrayList<String> components; 20875 20876 // reader 20877 synchronized (mPackages) { 20878 pkgSetting = mSettings.mPackages.get(packageName); 20879 if (pkgSetting == null) { 20880 if (!isCallerInstantApp) { 20881 if (className == null) { 20882 throw new IllegalArgumentException("Unknown package: " + packageName); 20883 } 20884 throw new IllegalArgumentException( 20885 "Unknown component: " + packageName + "/" + className); 20886 } else { 20887 // throw SecurityException to prevent leaking package information 20888 throw new SecurityException( 20889 "Attempt to change component state; " 20890 + "pid=" + Binder.getCallingPid() 20891 + ", uid=" + callingUid 20892 + (className == null 20893 ? ", package=" + packageName 20894 : ", component=" + packageName + "/" + className)); 20895 } 20896 } 20897 } 20898 20899 // Limit who can change which apps 20900 if (!UserHandle.isSameApp(callingUid, pkgSetting.appId)) { 20901 // Don't allow apps that don't have permission to modify other apps 20902 if (!allowedByPermission) { 20903 throw new SecurityException( 20904 "Attempt to change component state; " 20905 + "pid=" + Binder.getCallingPid() 20906 + ", uid=" + callingUid 20907 + (className == null 20908 ? ", package=" + packageName 20909 : ", component=" + packageName + "/" + className)); 20910 } 20911 // Don't allow changing protected packages. 20912 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 20913 throw new SecurityException("Cannot disable a protected package: " + packageName); 20914 } 20915 } 20916 20917 synchronized (mPackages) { 20918 if (callingUid == Process.SHELL_UID 20919 && (pkgSetting.pkgFlags & ApplicationInfo.FLAG_TEST_ONLY) == 0) { 20920 // Shell can only change whole packages between ENABLED and DISABLED_USER states 20921 // unless it is a test package. 20922 int oldState = pkgSetting.getEnabled(userId); 20923 if (className == null 20924 && 20925 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 20926 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 20927 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 20928 && 20929 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 20930 || newState == COMPONENT_ENABLED_STATE_DEFAULT 20931 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 20932 // ok 20933 } else { 20934 throw new SecurityException( 20935 "Shell cannot change component state for " + packageName + "/" 20936 + className + " to " + newState); 20937 } 20938 } 20939 if (className == null) { 20940 // We're dealing with an application/package level state change 20941 if (pkgSetting.getEnabled(userId) == newState) { 20942 // Nothing to do 20943 return; 20944 } 20945 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 20946 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 20947 // Don't care about who enables an app. 20948 callingPackage = null; 20949 } 20950 pkgSetting.setEnabled(newState, userId, callingPackage); 20951 // pkgSetting.pkg.mSetEnabled = newState; 20952 } else { 20953 // We're dealing with a component level state change 20954 // First, verify that this is a valid class name. 20955 PackageParser.Package pkg = pkgSetting.pkg; 20956 if (pkg == null || !pkg.hasComponentClassName(className)) { 20957 if (pkg != null && 20958 pkg.applicationInfo.targetSdkVersion >= 20959 Build.VERSION_CODES.JELLY_BEAN) { 20960 throw new IllegalArgumentException("Component class " + className 20961 + " does not exist in " + packageName); 20962 } else { 20963 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 20964 + className + " does not exist in " + packageName); 20965 } 20966 } 20967 switch (newState) { 20968 case COMPONENT_ENABLED_STATE_ENABLED: 20969 if (!pkgSetting.enableComponentLPw(className, userId)) { 20970 return; 20971 } 20972 break; 20973 case COMPONENT_ENABLED_STATE_DISABLED: 20974 if (!pkgSetting.disableComponentLPw(className, userId)) { 20975 return; 20976 } 20977 break; 20978 case COMPONENT_ENABLED_STATE_DEFAULT: 20979 if (!pkgSetting.restoreComponentLPw(className, userId)) { 20980 return; 20981 } 20982 break; 20983 default: 20984 Slog.e(TAG, "Invalid new component state: " + newState); 20985 return; 20986 } 20987 } 20988 scheduleWritePackageRestrictionsLocked(userId); 20989 updateSequenceNumberLP(packageName, new int[] { userId }); 20990 final long callingId = Binder.clearCallingIdentity(); 20991 try { 20992 updateInstantAppInstallerLocked(packageName); 20993 } finally { 20994 Binder.restoreCallingIdentity(callingId); 20995 } 20996 components = mPendingBroadcasts.get(userId, packageName); 20997 final boolean newPackage = components == null; 20998 if (newPackage) { 20999 components = new ArrayList<String>(); 21000 } 21001 if (!components.contains(componentName)) { 21002 components.add(componentName); 21003 } 21004 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 21005 sendNow = true; 21006 // Purge entry from pending broadcast list if another one exists already 21007 // since we are sending one right away. 21008 mPendingBroadcasts.remove(userId, packageName); 21009 } else { 21010 if (newPackage) { 21011 mPendingBroadcasts.put(userId, packageName, components); 21012 } 21013 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 21014 // Schedule a message 21015 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 21016 } 21017 } 21018 } 21019 21020 long callingId = Binder.clearCallingIdentity(); 21021 try { 21022 if (sendNow) { 21023 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 21024 sendPackageChangedBroadcast(packageName, 21025 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 21026 } 21027 } finally { 21028 Binder.restoreCallingIdentity(callingId); 21029 } 21030 } 21031 21032 @Override 21033 public void flushPackageRestrictionsAsUser(int userId) { 21034 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 21035 return; 21036 } 21037 if (!sUserManager.exists(userId)) { 21038 return; 21039 } 21040 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 21041 false /* checkShell */, "flushPackageRestrictions"); 21042 synchronized (mPackages) { 21043 mSettings.writePackageRestrictionsLPr(userId); 21044 mDirtyUsers.remove(userId); 21045 if (mDirtyUsers.isEmpty()) { 21046 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 21047 } 21048 } 21049 } 21050 21051 private void sendPackageChangedBroadcast(String packageName, 21052 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 21053 if (DEBUG_INSTALL) 21054 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 21055 + componentNames); 21056 Bundle extras = new Bundle(4); 21057 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 21058 String nameList[] = new String[componentNames.size()]; 21059 componentNames.toArray(nameList); 21060 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 21061 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 21062 extras.putInt(Intent.EXTRA_UID, packageUid); 21063 // If this is not reporting a change of the overall package, then only send it 21064 // to registered receivers. We don't want to launch a swath of apps for every 21065 // little component state change. 21066 final int flags = !componentNames.contains(packageName) 21067 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 21068 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 21069 new int[] {UserHandle.getUserId(packageUid)}); 21070 } 21071 21072 @Override 21073 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 21074 if (!sUserManager.exists(userId)) return; 21075 final int callingUid = Binder.getCallingUid(); 21076 if (getInstantAppPackageName(callingUid) != null) { 21077 return; 21078 } 21079 final int permission = mContext.checkCallingOrSelfPermission( 21080 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 21081 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 21082 enforceCrossUserPermission(callingUid, userId, 21083 true /* requireFullPermission */, true /* checkShell */, "stop package"); 21084 // writer 21085 synchronized (mPackages) { 21086 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 21087 allowedByPermission, callingUid, userId)) { 21088 scheduleWritePackageRestrictionsLocked(userId); 21089 } 21090 } 21091 } 21092 21093 @Override 21094 public String getInstallerPackageName(String packageName) { 21095 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 21096 return null; 21097 } 21098 // reader 21099 synchronized (mPackages) { 21100 return mSettings.getInstallerPackageNameLPr(packageName); 21101 } 21102 } 21103 21104 public boolean isOrphaned(String packageName) { 21105 // reader 21106 synchronized (mPackages) { 21107 return mSettings.isOrphaned(packageName); 21108 } 21109 } 21110 21111 @Override 21112 public int getApplicationEnabledSetting(String packageName, int userId) { 21113 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 21114 int callingUid = Binder.getCallingUid(); 21115 enforceCrossUserPermission(callingUid, userId, 21116 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 21117 // reader 21118 synchronized (mPackages) { 21119 if (filterAppAccessLPr(mSettings.getPackageLPr(packageName), callingUid, userId)) { 21120 return COMPONENT_ENABLED_STATE_DISABLED; 21121 } 21122 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 21123 } 21124 } 21125 21126 @Override 21127 public int getComponentEnabledSetting(ComponentName component, int userId) { 21128 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 21129 int callingUid = Binder.getCallingUid(); 21130 enforceCrossUserPermission(callingUid, userId, 21131 false /*requireFullPermission*/, false /*checkShell*/, "getComponentEnabled"); 21132 synchronized (mPackages) { 21133 if (filterAppAccessLPr(mSettings.getPackageLPr(component.getPackageName()), callingUid, 21134 component, TYPE_UNKNOWN, userId)) { 21135 return COMPONENT_ENABLED_STATE_DISABLED; 21136 } 21137 return mSettings.getComponentEnabledSettingLPr(component, userId); 21138 } 21139 } 21140 21141 @Override 21142 public void enterSafeMode() { 21143 enforceSystemOrRoot("Only the system can request entering safe mode"); 21144 21145 if (!mSystemReady) { 21146 mSafeMode = true; 21147 } 21148 } 21149 21150 @Override 21151 public void systemReady() { 21152 enforceSystemOrRoot("Only the system can claim the system is ready"); 21153 21154 mSystemReady = true; 21155 final ContentResolver resolver = mContext.getContentResolver(); 21156 ContentObserver co = new ContentObserver(mHandler) { 21157 @Override 21158 public void onChange(boolean selfChange) { 21159 mEphemeralAppsDisabled = 21160 (Global.getInt(resolver, Global.ENABLE_EPHEMERAL_FEATURE, 1) == 0) || 21161 (Secure.getInt(resolver, Secure.INSTANT_APPS_ENABLED, 1) == 0); 21162 } 21163 }; 21164 mContext.getContentResolver().registerContentObserver(android.provider.Settings.Global 21165 .getUriFor(Global.ENABLE_EPHEMERAL_FEATURE), 21166 false, co, UserHandle.USER_SYSTEM); 21167 mContext.getContentResolver().registerContentObserver(android.provider.Settings.Global 21168 .getUriFor(Secure.INSTANT_APPS_ENABLED), false, co, UserHandle.USER_SYSTEM); 21169 co.onChange(true); 21170 21171 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 21172 // disabled after already being started. 21173 CarrierAppUtils.disableCarrierAppsUntilPrivileged(mContext.getOpPackageName(), this, 21174 mContext.getContentResolver(), UserHandle.USER_SYSTEM); 21175 21176 // Read the compatibilty setting when the system is ready. 21177 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 21178 mContext.getContentResolver(), 21179 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 21180 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 21181 if (DEBUG_SETTINGS) { 21182 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 21183 } 21184 21185 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 21186 21187 synchronized (mPackages) { 21188 // Verify that all of the preferred activity components actually 21189 // exist. It is possible for applications to be updated and at 21190 // that point remove a previously declared activity component that 21191 // had been set as a preferred activity. We try to clean this up 21192 // the next time we encounter that preferred activity, but it is 21193 // possible for the user flow to never be able to return to that 21194 // situation so here we do a sanity check to make sure we haven't 21195 // left any junk around. 21196 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 21197 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 21198 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 21199 removed.clear(); 21200 for (PreferredActivity pa : pir.filterSet()) { 21201 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 21202 removed.add(pa); 21203 } 21204 } 21205 if (removed.size() > 0) { 21206 for (int r=0; r<removed.size(); r++) { 21207 PreferredActivity pa = removed.get(r); 21208 Slog.w(TAG, "Removing dangling preferred activity: " 21209 + pa.mPref.mComponent); 21210 pir.removeFilter(pa); 21211 } 21212 mSettings.writePackageRestrictionsLPr( 21213 mSettings.mPreferredActivities.keyAt(i)); 21214 } 21215 } 21216 21217 for (int userId : UserManagerService.getInstance().getUserIds()) { 21218 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 21219 grantPermissionsUserIds = ArrayUtils.appendInt( 21220 grantPermissionsUserIds, userId); 21221 } 21222 } 21223 } 21224 sUserManager.systemReady(); 21225 21226 // If we upgraded grant all default permissions before kicking off. 21227 for (int userId : grantPermissionsUserIds) { 21228 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 21229 } 21230 21231 // If we did not grant default permissions, we preload from this the 21232 // default permission exceptions lazily to ensure we don't hit the 21233 // disk on a new user creation. 21234 if (grantPermissionsUserIds == EMPTY_INT_ARRAY) { 21235 mDefaultPermissionPolicy.scheduleReadDefaultPermissionExceptions(); 21236 } 21237 21238 // Kick off any messages waiting for system ready 21239 if (mPostSystemReadyMessages != null) { 21240 for (Message msg : mPostSystemReadyMessages) { 21241 msg.sendToTarget(); 21242 } 21243 mPostSystemReadyMessages = null; 21244 } 21245 21246 // Watch for external volumes that come and go over time 21247 final StorageManager storage = mContext.getSystemService(StorageManager.class); 21248 storage.registerListener(mStorageListener); 21249 21250 mInstallerService.systemReady(); 21251 mPackageDexOptimizer.systemReady(); 21252 21253 StorageManagerInternal StorageManagerInternal = LocalServices.getService( 21254 StorageManagerInternal.class); 21255 StorageManagerInternal.addExternalStoragePolicy( 21256 new StorageManagerInternal.ExternalStorageMountPolicy() { 21257 @Override 21258 public int getMountMode(int uid, String packageName) { 21259 if (Process.isIsolated(uid)) { 21260 return Zygote.MOUNT_EXTERNAL_NONE; 21261 } 21262 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 21263 return Zygote.MOUNT_EXTERNAL_DEFAULT; 21264 } 21265 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 21266 return Zygote.MOUNT_EXTERNAL_DEFAULT; 21267 } 21268 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 21269 return Zygote.MOUNT_EXTERNAL_READ; 21270 } 21271 return Zygote.MOUNT_EXTERNAL_WRITE; 21272 } 21273 21274 @Override 21275 public boolean hasExternalStorage(int uid, String packageName) { 21276 return true; 21277 } 21278 }); 21279 21280 // Now that we're mostly running, clean up stale users and apps 21281 sUserManager.reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 21282 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 21283 21284 if (mPrivappPermissionsViolations != null) { 21285 Slog.wtf(TAG,"Signature|privileged permissions not in " 21286 + "privapp-permissions whitelist: " + mPrivappPermissionsViolations); 21287 mPrivappPermissionsViolations = null; 21288 } 21289 } 21290 21291 public void waitForAppDataPrepared() { 21292 if (mPrepareAppDataFuture == null) { 21293 return; 21294 } 21295 ConcurrentUtils.waitForFutureNoInterrupt(mPrepareAppDataFuture, "wait for prepareAppData"); 21296 mPrepareAppDataFuture = null; 21297 } 21298 21299 @Override 21300 public boolean isSafeMode() { 21301 // allow instant applications 21302 return mSafeMode; 21303 } 21304 21305 @Override 21306 public boolean hasSystemUidErrors() { 21307 // allow instant applications 21308 return mHasSystemUidErrors; 21309 } 21310 21311 static String arrayToString(int[] array) { 21312 StringBuffer buf = new StringBuffer(128); 21313 buf.append('['); 21314 if (array != null) { 21315 for (int i=0; i<array.length; i++) { 21316 if (i > 0) buf.append(", "); 21317 buf.append(array[i]); 21318 } 21319 } 21320 buf.append(']'); 21321 return buf.toString(); 21322 } 21323 21324 static class DumpState { 21325 public static final int DUMP_LIBS = 1 << 0; 21326 public static final int DUMP_FEATURES = 1 << 1; 21327 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 21328 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 21329 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 21330 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 21331 public static final int DUMP_PERMISSIONS = 1 << 6; 21332 public static final int DUMP_PACKAGES = 1 << 7; 21333 public static final int DUMP_SHARED_USERS = 1 << 8; 21334 public static final int DUMP_MESSAGES = 1 << 9; 21335 public static final int DUMP_PROVIDERS = 1 << 10; 21336 public static final int DUMP_VERIFIERS = 1 << 11; 21337 public static final int DUMP_PREFERRED = 1 << 12; 21338 public static final int DUMP_PREFERRED_XML = 1 << 13; 21339 public static final int DUMP_KEYSETS = 1 << 14; 21340 public static final int DUMP_VERSION = 1 << 15; 21341 public static final int DUMP_INSTALLS = 1 << 16; 21342 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 21343 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 21344 public static final int DUMP_FROZEN = 1 << 19; 21345 public static final int DUMP_DEXOPT = 1 << 20; 21346 public static final int DUMP_COMPILER_STATS = 1 << 21; 21347 public static final int DUMP_ENABLED_OVERLAYS = 1 << 22; 21348 public static final int DUMP_CHANGES = 1 << 23; 21349 21350 public static final int OPTION_SHOW_FILTERS = 1 << 0; 21351 21352 private int mTypes; 21353 21354 private int mOptions; 21355 21356 private boolean mTitlePrinted; 21357 21358 private SharedUserSetting mSharedUser; 21359 21360 public boolean isDumping(int type) { 21361 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 21362 return true; 21363 } 21364 21365 return (mTypes & type) != 0; 21366 } 21367 21368 public void setDump(int type) { 21369 mTypes |= type; 21370 } 21371 21372 public boolean isOptionEnabled(int option) { 21373 return (mOptions & option) != 0; 21374 } 21375 21376 public void setOptionEnabled(int option) { 21377 mOptions |= option; 21378 } 21379 21380 public boolean onTitlePrinted() { 21381 final boolean printed = mTitlePrinted; 21382 mTitlePrinted = true; 21383 return printed; 21384 } 21385 21386 public boolean getTitlePrinted() { 21387 return mTitlePrinted; 21388 } 21389 21390 public void setTitlePrinted(boolean enabled) { 21391 mTitlePrinted = enabled; 21392 } 21393 21394 public SharedUserSetting getSharedUser() { 21395 return mSharedUser; 21396 } 21397 21398 public void setSharedUser(SharedUserSetting user) { 21399 mSharedUser = user; 21400 } 21401 } 21402 21403 @Override 21404 public void onShellCommand(FileDescriptor in, FileDescriptor out, 21405 FileDescriptor err, String[] args, ShellCallback callback, 21406 ResultReceiver resultReceiver) { 21407 (new PackageManagerShellCommand(this)).exec( 21408 this, in, out, err, args, callback, resultReceiver); 21409 } 21410 21411 @Override 21412 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 21413 if (!DumpUtils.checkDumpAndUsageStatsPermission(mContext, TAG, pw)) return; 21414 21415 DumpState dumpState = new DumpState(); 21416 boolean fullPreferred = false; 21417 boolean checkin = false; 21418 21419 String packageName = null; 21420 ArraySet<String> permissionNames = null; 21421 21422 int opti = 0; 21423 while (opti < args.length) { 21424 String opt = args[opti]; 21425 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 21426 break; 21427 } 21428 opti++; 21429 21430 if ("-a".equals(opt)) { 21431 // Right now we only know how to print all. 21432 } else if ("-h".equals(opt)) { 21433 pw.println("Package manager dump options:"); 21434 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 21435 pw.println(" --checkin: dump for a checkin"); 21436 pw.println(" -f: print details of intent filters"); 21437 pw.println(" -h: print this help"); 21438 pw.println(" cmd may be one of:"); 21439 pw.println(" l[ibraries]: list known shared libraries"); 21440 pw.println(" f[eatures]: list device features"); 21441 pw.println(" k[eysets]: print known keysets"); 21442 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 21443 pw.println(" perm[issions]: dump permissions"); 21444 pw.println(" permission [name ...]: dump declaration and use of given permission"); 21445 pw.println(" pref[erred]: print preferred package settings"); 21446 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 21447 pw.println(" prov[iders]: dump content providers"); 21448 pw.println(" p[ackages]: dump installed packages"); 21449 pw.println(" s[hared-users]: dump shared user IDs"); 21450 pw.println(" m[essages]: print collected runtime messages"); 21451 pw.println(" v[erifiers]: print package verifier info"); 21452 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 21453 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 21454 pw.println(" version: print database version info"); 21455 pw.println(" write: write current settings now"); 21456 pw.println(" installs: details about install sessions"); 21457 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 21458 pw.println(" dexopt: dump dexopt state"); 21459 pw.println(" compiler-stats: dump compiler statistics"); 21460 pw.println(" enabled-overlays: dump list of enabled overlay packages"); 21461 pw.println(" <package.name>: info about given package"); 21462 return; 21463 } else if ("--checkin".equals(opt)) { 21464 checkin = true; 21465 } else if ("-f".equals(opt)) { 21466 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 21467 } else if ("--proto".equals(opt)) { 21468 dumpProto(fd); 21469 return; 21470 } else { 21471 pw.println("Unknown argument: " + opt + "; use -h for help"); 21472 } 21473 } 21474 21475 // Is the caller requesting to dump a particular piece of data? 21476 if (opti < args.length) { 21477 String cmd = args[opti]; 21478 opti++; 21479 // Is this a package name? 21480 if ("android".equals(cmd) || cmd.contains(".")) { 21481 packageName = cmd; 21482 // When dumping a single package, we always dump all of its 21483 // filter information since the amount of data will be reasonable. 21484 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 21485 } else if ("check-permission".equals(cmd)) { 21486 if (opti >= args.length) { 21487 pw.println("Error: check-permission missing permission argument"); 21488 return; 21489 } 21490 String perm = args[opti]; 21491 opti++; 21492 if (opti >= args.length) { 21493 pw.println("Error: check-permission missing package argument"); 21494 return; 21495 } 21496 21497 String pkg = args[opti]; 21498 opti++; 21499 int user = UserHandle.getUserId(Binder.getCallingUid()); 21500 if (opti < args.length) { 21501 try { 21502 user = Integer.parseInt(args[opti]); 21503 } catch (NumberFormatException e) { 21504 pw.println("Error: check-permission user argument is not a number: " 21505 + args[opti]); 21506 return; 21507 } 21508 } 21509 21510 // Normalize package name to handle renamed packages and static libs 21511 pkg = resolveInternalPackageNameLPr(pkg, PackageManager.VERSION_CODE_HIGHEST); 21512 21513 pw.println(checkPermission(perm, pkg, user)); 21514 return; 21515 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 21516 dumpState.setDump(DumpState.DUMP_LIBS); 21517 } else if ("f".equals(cmd) || "features".equals(cmd)) { 21518 dumpState.setDump(DumpState.DUMP_FEATURES); 21519 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 21520 if (opti >= args.length) { 21521 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 21522 | DumpState.DUMP_SERVICE_RESOLVERS 21523 | DumpState.DUMP_RECEIVER_RESOLVERS 21524 | DumpState.DUMP_CONTENT_RESOLVERS); 21525 } else { 21526 while (opti < args.length) { 21527 String name = args[opti]; 21528 if ("a".equals(name) || "activity".equals(name)) { 21529 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 21530 } else if ("s".equals(name) || "service".equals(name)) { 21531 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 21532 } else if ("r".equals(name) || "receiver".equals(name)) { 21533 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 21534 } else if ("c".equals(name) || "content".equals(name)) { 21535 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 21536 } else { 21537 pw.println("Error: unknown resolver table type: " + name); 21538 return; 21539 } 21540 opti++; 21541 } 21542 } 21543 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 21544 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 21545 } else if ("permission".equals(cmd)) { 21546 if (opti >= args.length) { 21547 pw.println("Error: permission requires permission name"); 21548 return; 21549 } 21550 permissionNames = new ArraySet<>(); 21551 while (opti < args.length) { 21552 permissionNames.add(args[opti]); 21553 opti++; 21554 } 21555 dumpState.setDump(DumpState.DUMP_PERMISSIONS 21556 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 21557 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 21558 dumpState.setDump(DumpState.DUMP_PREFERRED); 21559 } else if ("preferred-xml".equals(cmd)) { 21560 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 21561 if (opti < args.length && "--full".equals(args[opti])) { 21562 fullPreferred = true; 21563 opti++; 21564 } 21565 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 21566 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 21567 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 21568 dumpState.setDump(DumpState.DUMP_PACKAGES); 21569 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 21570 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 21571 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 21572 dumpState.setDump(DumpState.DUMP_PROVIDERS); 21573 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 21574 dumpState.setDump(DumpState.DUMP_MESSAGES); 21575 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 21576 dumpState.setDump(DumpState.DUMP_VERIFIERS); 21577 } else if ("i".equals(cmd) || "ifv".equals(cmd) 21578 || "intent-filter-verifiers".equals(cmd)) { 21579 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 21580 } else if ("version".equals(cmd)) { 21581 dumpState.setDump(DumpState.DUMP_VERSION); 21582 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 21583 dumpState.setDump(DumpState.DUMP_KEYSETS); 21584 } else if ("installs".equals(cmd)) { 21585 dumpState.setDump(DumpState.DUMP_INSTALLS); 21586 } else if ("frozen".equals(cmd)) { 21587 dumpState.setDump(DumpState.DUMP_FROZEN); 21588 } else if ("dexopt".equals(cmd)) { 21589 dumpState.setDump(DumpState.DUMP_DEXOPT); 21590 } else if ("compiler-stats".equals(cmd)) { 21591 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 21592 } else if ("enabled-overlays".equals(cmd)) { 21593 dumpState.setDump(DumpState.DUMP_ENABLED_OVERLAYS); 21594 } else if ("changes".equals(cmd)) { 21595 dumpState.setDump(DumpState.DUMP_CHANGES); 21596 } else if ("write".equals(cmd)) { 21597 synchronized (mPackages) { 21598 mSettings.writeLPr(); 21599 pw.println("Settings written."); 21600 return; 21601 } 21602 } 21603 } 21604 21605 if (checkin) { 21606 pw.println("vers,1"); 21607 } 21608 21609 // reader 21610 synchronized (mPackages) { 21611 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 21612 if (!checkin) { 21613 if (dumpState.onTitlePrinted()) 21614 pw.println(); 21615 pw.println("Database versions:"); 21616 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 21617 } 21618 } 21619 21620 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 21621 if (!checkin) { 21622 if (dumpState.onTitlePrinted()) 21623 pw.println(); 21624 pw.println("Verifiers:"); 21625 pw.print(" Required: "); 21626 pw.print(mRequiredVerifierPackage); 21627 pw.print(" (uid="); 21628 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 21629 UserHandle.USER_SYSTEM)); 21630 pw.println(")"); 21631 } else if (mRequiredVerifierPackage != null) { 21632 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 21633 pw.print(","); 21634 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 21635 UserHandle.USER_SYSTEM)); 21636 } 21637 } 21638 21639 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 21640 packageName == null) { 21641 if (mIntentFilterVerifierComponent != null) { 21642 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 21643 if (!checkin) { 21644 if (dumpState.onTitlePrinted()) 21645 pw.println(); 21646 pw.println("Intent Filter Verifier:"); 21647 pw.print(" Using: "); 21648 pw.print(verifierPackageName); 21649 pw.print(" (uid="); 21650 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 21651 UserHandle.USER_SYSTEM)); 21652 pw.println(")"); 21653 } else if (verifierPackageName != null) { 21654 pw.print("ifv,"); pw.print(verifierPackageName); 21655 pw.print(","); 21656 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 21657 UserHandle.USER_SYSTEM)); 21658 } 21659 } else { 21660 pw.println(); 21661 pw.println("No Intent Filter Verifier available!"); 21662 } 21663 } 21664 21665 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 21666 boolean printedHeader = false; 21667 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 21668 while (it.hasNext()) { 21669 String libName = it.next(); 21670 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(libName); 21671 if (versionedLib == null) { 21672 continue; 21673 } 21674 final int versionCount = versionedLib.size(); 21675 for (int i = 0; i < versionCount; i++) { 21676 SharedLibraryEntry libEntry = versionedLib.valueAt(i); 21677 if (!checkin) { 21678 if (!printedHeader) { 21679 if (dumpState.onTitlePrinted()) 21680 pw.println(); 21681 pw.println("Libraries:"); 21682 printedHeader = true; 21683 } 21684 pw.print(" "); 21685 } else { 21686 pw.print("lib,"); 21687 } 21688 pw.print(libEntry.info.getName()); 21689 if (libEntry.info.isStatic()) { 21690 pw.print(" version=" + libEntry.info.getVersion()); 21691 } 21692 if (!checkin) { 21693 pw.print(" -> "); 21694 } 21695 if (libEntry.path != null) { 21696 pw.print(" (jar) "); 21697 pw.print(libEntry.path); 21698 } else { 21699 pw.print(" (apk) "); 21700 pw.print(libEntry.apk); 21701 } 21702 pw.println(); 21703 } 21704 } 21705 } 21706 21707 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 21708 if (dumpState.onTitlePrinted()) 21709 pw.println(); 21710 if (!checkin) { 21711 pw.println("Features:"); 21712 } 21713 21714 synchronized (mAvailableFeatures) { 21715 for (FeatureInfo feat : mAvailableFeatures.values()) { 21716 if (checkin) { 21717 pw.print("feat,"); 21718 pw.print(feat.name); 21719 pw.print(","); 21720 pw.println(feat.version); 21721 } else { 21722 pw.print(" "); 21723 pw.print(feat.name); 21724 if (feat.version > 0) { 21725 pw.print(" version="); 21726 pw.print(feat.version); 21727 } 21728 pw.println(); 21729 } 21730 } 21731 } 21732 } 21733 21734 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 21735 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 21736 : "Activity Resolver Table:", " ", packageName, 21737 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 21738 dumpState.setTitlePrinted(true); 21739 } 21740 } 21741 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 21742 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 21743 : "Receiver Resolver Table:", " ", packageName, 21744 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 21745 dumpState.setTitlePrinted(true); 21746 } 21747 } 21748 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 21749 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 21750 : "Service Resolver Table:", " ", packageName, 21751 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 21752 dumpState.setTitlePrinted(true); 21753 } 21754 } 21755 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 21756 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 21757 : "Provider Resolver Table:", " ", packageName, 21758 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 21759 dumpState.setTitlePrinted(true); 21760 } 21761 } 21762 21763 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 21764 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 21765 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 21766 int user = mSettings.mPreferredActivities.keyAt(i); 21767 if (pir.dump(pw, 21768 dumpState.getTitlePrinted() 21769 ? "\nPreferred Activities User " + user + ":" 21770 : "Preferred Activities User " + user + ":", " ", 21771 packageName, true, false)) { 21772 dumpState.setTitlePrinted(true); 21773 } 21774 } 21775 } 21776 21777 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 21778 pw.flush(); 21779 FileOutputStream fout = new FileOutputStream(fd); 21780 BufferedOutputStream str = new BufferedOutputStream(fout); 21781 XmlSerializer serializer = new FastXmlSerializer(); 21782 try { 21783 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 21784 serializer.startDocument(null, true); 21785 serializer.setFeature( 21786 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 21787 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 21788 serializer.endDocument(); 21789 serializer.flush(); 21790 } catch (IllegalArgumentException e) { 21791 pw.println("Failed writing: " + e); 21792 } catch (IllegalStateException e) { 21793 pw.println("Failed writing: " + e); 21794 } catch (IOException e) { 21795 pw.println("Failed writing: " + e); 21796 } 21797 } 21798 21799 if (!checkin 21800 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 21801 && packageName == null) { 21802 pw.println(); 21803 int count = mSettings.mPackages.size(); 21804 if (count == 0) { 21805 pw.println("No applications!"); 21806 pw.println(); 21807 } else { 21808 final String prefix = " "; 21809 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 21810 if (allPackageSettings.size() == 0) { 21811 pw.println("No domain preferred apps!"); 21812 pw.println(); 21813 } else { 21814 pw.println("App verification status:"); 21815 pw.println(); 21816 count = 0; 21817 for (PackageSetting ps : allPackageSettings) { 21818 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 21819 if (ivi == null || ivi.getPackageName() == null) continue; 21820 pw.println(prefix + "Package: " + ivi.getPackageName()); 21821 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 21822 pw.println(prefix + "Status: " + ivi.getStatusString()); 21823 pw.println(); 21824 count++; 21825 } 21826 if (count == 0) { 21827 pw.println(prefix + "No app verification established."); 21828 pw.println(); 21829 } 21830 for (int userId : sUserManager.getUserIds()) { 21831 pw.println("App linkages for user " + userId + ":"); 21832 pw.println(); 21833 count = 0; 21834 for (PackageSetting ps : allPackageSettings) { 21835 final long status = ps.getDomainVerificationStatusForUser(userId); 21836 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED 21837 && !DEBUG_DOMAIN_VERIFICATION) { 21838 continue; 21839 } 21840 pw.println(prefix + "Package: " + ps.name); 21841 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 21842 String statusStr = IntentFilterVerificationInfo. 21843 getStatusStringFromValue(status); 21844 pw.println(prefix + "Status: " + statusStr); 21845 pw.println(); 21846 count++; 21847 } 21848 if (count == 0) { 21849 pw.println(prefix + "No configured app linkages."); 21850 pw.println(); 21851 } 21852 } 21853 } 21854 } 21855 } 21856 21857 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 21858 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 21859 if (packageName == null && permissionNames == null) { 21860 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 21861 if (iperm == 0) { 21862 if (dumpState.onTitlePrinted()) 21863 pw.println(); 21864 pw.println("AppOp Permissions:"); 21865 } 21866 pw.print(" AppOp Permission "); 21867 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 21868 pw.println(":"); 21869 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 21870 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 21871 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 21872 } 21873 } 21874 } 21875 } 21876 21877 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 21878 boolean printedSomething = false; 21879 for (PackageParser.Provider p : mProviders.mProviders.values()) { 21880 if (packageName != null && !packageName.equals(p.info.packageName)) { 21881 continue; 21882 } 21883 if (!printedSomething) { 21884 if (dumpState.onTitlePrinted()) 21885 pw.println(); 21886 pw.println("Registered ContentProviders:"); 21887 printedSomething = true; 21888 } 21889 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 21890 pw.print(" "); pw.println(p.toString()); 21891 } 21892 printedSomething = false; 21893 for (Map.Entry<String, PackageParser.Provider> entry : 21894 mProvidersByAuthority.entrySet()) { 21895 PackageParser.Provider p = entry.getValue(); 21896 if (packageName != null && !packageName.equals(p.info.packageName)) { 21897 continue; 21898 } 21899 if (!printedSomething) { 21900 if (dumpState.onTitlePrinted()) 21901 pw.println(); 21902 pw.println("ContentProvider Authorities:"); 21903 printedSomething = true; 21904 } 21905 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 21906 pw.print(" "); pw.println(p.toString()); 21907 if (p.info != null && p.info.applicationInfo != null) { 21908 final String appInfo = p.info.applicationInfo.toString(); 21909 pw.print(" applicationInfo="); pw.println(appInfo); 21910 } 21911 } 21912 } 21913 21914 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 21915 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 21916 } 21917 21918 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 21919 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 21920 } 21921 21922 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 21923 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 21924 } 21925 21926 if (dumpState.isDumping(DumpState.DUMP_CHANGES)) { 21927 if (dumpState.onTitlePrinted()) pw.println(); 21928 pw.println("Package Changes:"); 21929 pw.print(" Sequence number="); pw.println(mChangedPackagesSequenceNumber); 21930 final int K = mChangedPackages.size(); 21931 for (int i = 0; i < K; i++) { 21932 final SparseArray<String> changes = mChangedPackages.valueAt(i); 21933 pw.print(" User "); pw.print(mChangedPackages.keyAt(i)); pw.println(":"); 21934 final int N = changes.size(); 21935 if (N == 0) { 21936 pw.print(" "); pw.println("No packages changed"); 21937 } else { 21938 for (int j = 0; j < N; j++) { 21939 final String pkgName = changes.valueAt(j); 21940 final int sequenceNumber = changes.keyAt(j); 21941 pw.print(" "); 21942 pw.print("seq="); 21943 pw.print(sequenceNumber); 21944 pw.print(", package="); 21945 pw.println(pkgName); 21946 } 21947 } 21948 } 21949 } 21950 21951 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 21952 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 21953 } 21954 21955 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 21956 // XXX should handle packageName != null by dumping only install data that 21957 // the given package is involved with. 21958 if (dumpState.onTitlePrinted()) pw.println(); 21959 21960 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 21961 ipw.println(); 21962 ipw.println("Frozen packages:"); 21963 ipw.increaseIndent(); 21964 if (mFrozenPackages.size() == 0) { 21965 ipw.println("(none)"); 21966 } else { 21967 for (int i = 0; i < mFrozenPackages.size(); i++) { 21968 ipw.println(mFrozenPackages.valueAt(i)); 21969 } 21970 } 21971 ipw.decreaseIndent(); 21972 } 21973 21974 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 21975 if (dumpState.onTitlePrinted()) pw.println(); 21976 dumpDexoptStateLPr(pw, packageName); 21977 } 21978 21979 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 21980 if (dumpState.onTitlePrinted()) pw.println(); 21981 dumpCompilerStatsLPr(pw, packageName); 21982 } 21983 21984 if (!checkin && dumpState.isDumping(DumpState.DUMP_ENABLED_OVERLAYS)) { 21985 if (dumpState.onTitlePrinted()) pw.println(); 21986 dumpEnabledOverlaysLPr(pw); 21987 } 21988 21989 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 21990 if (dumpState.onTitlePrinted()) pw.println(); 21991 mSettings.dumpReadMessagesLPr(pw, dumpState); 21992 21993 pw.println(); 21994 pw.println("Package warning messages:"); 21995 BufferedReader in = null; 21996 String line = null; 21997 try { 21998 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 21999 while ((line = in.readLine()) != null) { 22000 if (line.contains("ignored: updated version")) continue; 22001 pw.println(line); 22002 } 22003 } catch (IOException ignored) { 22004 } finally { 22005 IoUtils.closeQuietly(in); 22006 } 22007 } 22008 22009 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 22010 BufferedReader in = null; 22011 String line = null; 22012 try { 22013 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 22014 while ((line = in.readLine()) != null) { 22015 if (line.contains("ignored: updated version")) continue; 22016 pw.print("msg,"); 22017 pw.println(line); 22018 } 22019 } catch (IOException ignored) { 22020 } finally { 22021 IoUtils.closeQuietly(in); 22022 } 22023 } 22024 } 22025 22026 // PackageInstaller should be called outside of mPackages lock 22027 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 22028 // XXX should handle packageName != null by dumping only install data that 22029 // the given package is involved with. 22030 if (dumpState.onTitlePrinted()) pw.println(); 22031 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 22032 } 22033 } 22034 22035 private void dumpProto(FileDescriptor fd) { 22036 final ProtoOutputStream proto = new ProtoOutputStream(fd); 22037 22038 synchronized (mPackages) { 22039 final long requiredVerifierPackageToken = 22040 proto.start(PackageServiceDumpProto.REQUIRED_VERIFIER_PACKAGE); 22041 proto.write(PackageServiceDumpProto.PackageShortProto.NAME, mRequiredVerifierPackage); 22042 proto.write( 22043 PackageServiceDumpProto.PackageShortProto.UID, 22044 getPackageUid( 22045 mRequiredVerifierPackage, 22046 MATCH_DEBUG_TRIAGED_MISSING, 22047 UserHandle.USER_SYSTEM)); 22048 proto.end(requiredVerifierPackageToken); 22049 22050 if (mIntentFilterVerifierComponent != null) { 22051 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 22052 final long verifierPackageToken = 22053 proto.start(PackageServiceDumpProto.VERIFIER_PACKAGE); 22054 proto.write(PackageServiceDumpProto.PackageShortProto.NAME, verifierPackageName); 22055 proto.write( 22056 PackageServiceDumpProto.PackageShortProto.UID, 22057 getPackageUid( 22058 verifierPackageName, 22059 MATCH_DEBUG_TRIAGED_MISSING, 22060 UserHandle.USER_SYSTEM)); 22061 proto.end(verifierPackageToken); 22062 } 22063 22064 dumpSharedLibrariesProto(proto); 22065 dumpFeaturesProto(proto); 22066 mSettings.dumpPackagesProto(proto); 22067 mSettings.dumpSharedUsersProto(proto); 22068 dumpMessagesProto(proto); 22069 } 22070 proto.flush(); 22071 } 22072 22073 private void dumpMessagesProto(ProtoOutputStream proto) { 22074 BufferedReader in = null; 22075 String line = null; 22076 try { 22077 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 22078 while ((line = in.readLine()) != null) { 22079 if (line.contains("ignored: updated version")) continue; 22080 proto.write(PackageServiceDumpProto.MESSAGES, line); 22081 } 22082 } catch (IOException ignored) { 22083 } finally { 22084 IoUtils.closeQuietly(in); 22085 } 22086 } 22087 22088 private void dumpFeaturesProto(ProtoOutputStream proto) { 22089 synchronized (mAvailableFeatures) { 22090 final int count = mAvailableFeatures.size(); 22091 for (int i = 0; i < count; i++) { 22092 final FeatureInfo feat = mAvailableFeatures.valueAt(i); 22093 final long featureToken = proto.start(PackageServiceDumpProto.FEATURES); 22094 proto.write(PackageServiceDumpProto.FeatureProto.NAME, feat.name); 22095 proto.write(PackageServiceDumpProto.FeatureProto.VERSION, feat.version); 22096 proto.end(featureToken); 22097 } 22098 } 22099 } 22100 22101 private void dumpSharedLibrariesProto(ProtoOutputStream proto) { 22102 final int count = mSharedLibraries.size(); 22103 for (int i = 0; i < count; i++) { 22104 final String libName = mSharedLibraries.keyAt(i); 22105 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(libName); 22106 if (versionedLib == null) { 22107 continue; 22108 } 22109 final int versionCount = versionedLib.size(); 22110 for (int j = 0; j < versionCount; j++) { 22111 final SharedLibraryEntry libEntry = versionedLib.valueAt(j); 22112 final long sharedLibraryToken = 22113 proto.start(PackageServiceDumpProto.SHARED_LIBRARIES); 22114 proto.write(PackageServiceDumpProto.SharedLibraryProto.NAME, libEntry.info.getName()); 22115 final boolean isJar = (libEntry.path != null); 22116 proto.write(PackageServiceDumpProto.SharedLibraryProto.IS_JAR, isJar); 22117 if (isJar) { 22118 proto.write(PackageServiceDumpProto.SharedLibraryProto.PATH, libEntry.path); 22119 } else { 22120 proto.write(PackageServiceDumpProto.SharedLibraryProto.APK, libEntry.apk); 22121 } 22122 proto.end(sharedLibraryToken); 22123 } 22124 } 22125 } 22126 22127 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 22128 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 22129 ipw.println(); 22130 ipw.println("Dexopt state:"); 22131 ipw.increaseIndent(); 22132 Collection<PackageParser.Package> packages = null; 22133 if (packageName != null) { 22134 PackageParser.Package targetPackage = mPackages.get(packageName); 22135 if (targetPackage != null) { 22136 packages = Collections.singletonList(targetPackage); 22137 } else { 22138 ipw.println("Unable to find package: " + packageName); 22139 return; 22140 } 22141 } else { 22142 packages = mPackages.values(); 22143 } 22144 22145 for (PackageParser.Package pkg : packages) { 22146 ipw.println("[" + pkg.packageName + "]"); 22147 ipw.increaseIndent(); 22148 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 22149 ipw.decreaseIndent(); 22150 } 22151 } 22152 22153 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 22154 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 22155 ipw.println(); 22156 ipw.println("Compiler stats:"); 22157 ipw.increaseIndent(); 22158 Collection<PackageParser.Package> packages = null; 22159 if (packageName != null) { 22160 PackageParser.Package targetPackage = mPackages.get(packageName); 22161 if (targetPackage != null) { 22162 packages = Collections.singletonList(targetPackage); 22163 } else { 22164 ipw.println("Unable to find package: " + packageName); 22165 return; 22166 } 22167 } else { 22168 packages = mPackages.values(); 22169 } 22170 22171 for (PackageParser.Package pkg : packages) { 22172 ipw.println("[" + pkg.packageName + "]"); 22173 ipw.increaseIndent(); 22174 22175 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 22176 if (stats == null) { 22177 ipw.println("(No recorded stats)"); 22178 } else { 22179 stats.dump(ipw); 22180 } 22181 ipw.decreaseIndent(); 22182 } 22183 } 22184 22185 private void dumpEnabledOverlaysLPr(PrintWriter pw) { 22186 pw.println("Enabled overlay paths:"); 22187 final int N = mEnabledOverlayPaths.size(); 22188 for (int i = 0; i < N; i++) { 22189 final int userId = mEnabledOverlayPaths.keyAt(i); 22190 pw.println(String.format(" User %d:", userId)); 22191 final ArrayMap<String, ArrayList<String>> userSpecificOverlays = 22192 mEnabledOverlayPaths.valueAt(i); 22193 final int M = userSpecificOverlays.size(); 22194 for (int j = 0; j < M; j++) { 22195 final String targetPackageName = userSpecificOverlays.keyAt(j); 22196 final ArrayList<String> overlayPackagePaths = userSpecificOverlays.valueAt(j); 22197 pw.println(String.format(" %s: %s", targetPackageName, overlayPackagePaths)); 22198 } 22199 } 22200 } 22201 22202 private String dumpDomainString(String packageName) { 22203 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 22204 .getList(); 22205 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 22206 22207 ArraySet<String> result = new ArraySet<>(); 22208 if (iviList.size() > 0) { 22209 for (IntentFilterVerificationInfo ivi : iviList) { 22210 for (String host : ivi.getDomains()) { 22211 result.add(host); 22212 } 22213 } 22214 } 22215 if (filters != null && filters.size() > 0) { 22216 for (IntentFilter filter : filters) { 22217 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 22218 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 22219 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 22220 result.addAll(filter.getHostsList()); 22221 } 22222 } 22223 } 22224 22225 StringBuilder sb = new StringBuilder(result.size() * 16); 22226 for (String domain : result) { 22227 if (sb.length() > 0) sb.append(" "); 22228 sb.append(domain); 22229 } 22230 return sb.toString(); 22231 } 22232 22233 // ------- apps on sdcard specific code ------- 22234 static final boolean DEBUG_SD_INSTALL = false; 22235 22236 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 22237 22238 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 22239 22240 private boolean mMediaMounted = false; 22241 22242 static String getEncryptKey() { 22243 try { 22244 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 22245 SD_ENCRYPTION_KEYSTORE_NAME); 22246 if (sdEncKey == null) { 22247 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 22248 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 22249 if (sdEncKey == null) { 22250 Slog.e(TAG, "Failed to create encryption keys"); 22251 return null; 22252 } 22253 } 22254 return sdEncKey; 22255 } catch (NoSuchAlgorithmException nsae) { 22256 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 22257 return null; 22258 } catch (IOException ioe) { 22259 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 22260 return null; 22261 } 22262 } 22263 22264 /* 22265 * Update media status on PackageManager. 22266 */ 22267 @Override 22268 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 22269 enforceSystemOrRoot("Media status can only be updated by the system"); 22270 // reader; this apparently protects mMediaMounted, but should probably 22271 // be a different lock in that case. 22272 synchronized (mPackages) { 22273 Log.i(TAG, "Updating external media status from " 22274 + (mMediaMounted ? "mounted" : "unmounted") + " to " 22275 + (mediaStatus ? "mounted" : "unmounted")); 22276 if (DEBUG_SD_INSTALL) 22277 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 22278 + ", mMediaMounted=" + mMediaMounted); 22279 if (mediaStatus == mMediaMounted) { 22280 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 22281 : 0, -1); 22282 mHandler.sendMessage(msg); 22283 return; 22284 } 22285 mMediaMounted = mediaStatus; 22286 } 22287 // Queue up an async operation since the package installation may take a 22288 // little while. 22289 mHandler.post(new Runnable() { 22290 public void run() { 22291 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 22292 } 22293 }); 22294 } 22295 22296 /** 22297 * Called by StorageManagerService when the initial ASECs to scan are available. 22298 * Should block until all the ASEC containers are finished being scanned. 22299 */ 22300 public void scanAvailableAsecs() { 22301 updateExternalMediaStatusInner(true, false, false); 22302 } 22303 22304 /* 22305 * Collect information of applications on external media, map them against 22306 * existing containers and update information based on current mount status. 22307 * Please note that we always have to report status if reportStatus has been 22308 * set to true especially when unloading packages. 22309 */ 22310 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 22311 boolean externalStorage) { 22312 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 22313 int[] uidArr = EmptyArray.INT; 22314 22315 final String[] list = PackageHelper.getSecureContainerList(); 22316 if (ArrayUtils.isEmpty(list)) { 22317 Log.i(TAG, "No secure containers found"); 22318 } else { 22319 // Process list of secure containers and categorize them 22320 // as active or stale based on their package internal state. 22321 22322 // reader 22323 synchronized (mPackages) { 22324 for (String cid : list) { 22325 // Leave stages untouched for now; installer service owns them 22326 if (PackageInstallerService.isStageName(cid)) continue; 22327 22328 if (DEBUG_SD_INSTALL) 22329 Log.i(TAG, "Processing container " + cid); 22330 String pkgName = getAsecPackageName(cid); 22331 if (pkgName == null) { 22332 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 22333 continue; 22334 } 22335 if (DEBUG_SD_INSTALL) 22336 Log.i(TAG, "Looking for pkg : " + pkgName); 22337 22338 final PackageSetting ps = mSettings.mPackages.get(pkgName); 22339 if (ps == null) { 22340 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 22341 continue; 22342 } 22343 22344 /* 22345 * Skip packages that are not external if we're unmounting 22346 * external storage. 22347 */ 22348 if (externalStorage && !isMounted && !isExternal(ps)) { 22349 continue; 22350 } 22351 22352 final AsecInstallArgs args = new AsecInstallArgs(cid, 22353 getAppDexInstructionSets(ps), ps.isForwardLocked()); 22354 // The package status is changed only if the code path 22355 // matches between settings and the container id. 22356 if (ps.codePathString != null 22357 && ps.codePathString.startsWith(args.getCodePath())) { 22358 if (DEBUG_SD_INSTALL) { 22359 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 22360 + " at code path: " + ps.codePathString); 22361 } 22362 22363 // We do have a valid package installed on sdcard 22364 processCids.put(args, ps.codePathString); 22365 final int uid = ps.appId; 22366 if (uid != -1) { 22367 uidArr = ArrayUtils.appendInt(uidArr, uid); 22368 } 22369 } else { 22370 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 22371 + ps.codePathString); 22372 } 22373 } 22374 } 22375 22376 Arrays.sort(uidArr); 22377 } 22378 22379 // Process packages with valid entries. 22380 if (isMounted) { 22381 if (DEBUG_SD_INSTALL) 22382 Log.i(TAG, "Loading packages"); 22383 loadMediaPackages(processCids, uidArr, externalStorage); 22384 startCleaningPackages(); 22385 mInstallerService.onSecureContainersAvailable(); 22386 } else { 22387 if (DEBUG_SD_INSTALL) 22388 Log.i(TAG, "Unloading packages"); 22389 unloadMediaPackages(processCids, uidArr, reportStatus); 22390 } 22391 } 22392 22393 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 22394 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 22395 final int size = infos.size(); 22396 final String[] packageNames = new String[size]; 22397 final int[] packageUids = new int[size]; 22398 for (int i = 0; i < size; i++) { 22399 final ApplicationInfo info = infos.get(i); 22400 packageNames[i] = info.packageName; 22401 packageUids[i] = info.uid; 22402 } 22403 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 22404 finishedReceiver); 22405 } 22406 22407 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 22408 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 22409 sendResourcesChangedBroadcast(mediaStatus, replacing, 22410 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 22411 } 22412 22413 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 22414 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 22415 int size = pkgList.length; 22416 if (size > 0) { 22417 // Send broadcasts here 22418 Bundle extras = new Bundle(); 22419 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 22420 if (uidArr != null) { 22421 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 22422 } 22423 if (replacing) { 22424 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 22425 } 22426 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 22427 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 22428 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 22429 } 22430 } 22431 22432 /* 22433 * Look at potentially valid container ids from processCids If package 22434 * information doesn't match the one on record or package scanning fails, 22435 * the cid is added to list of removeCids. We currently don't delete stale 22436 * containers. 22437 */ 22438 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 22439 boolean externalStorage) { 22440 ArrayList<String> pkgList = new ArrayList<String>(); 22441 Set<AsecInstallArgs> keys = processCids.keySet(); 22442 22443 for (AsecInstallArgs args : keys) { 22444 String codePath = processCids.get(args); 22445 if (DEBUG_SD_INSTALL) 22446 Log.i(TAG, "Loading container : " + args.cid); 22447 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 22448 try { 22449 // Make sure there are no container errors first. 22450 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 22451 Slog.e(TAG, "Failed to mount cid : " + args.cid 22452 + " when installing from sdcard"); 22453 continue; 22454 } 22455 // Check code path here. 22456 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 22457 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 22458 + " does not match one in settings " + codePath); 22459 continue; 22460 } 22461 // Parse package 22462 int parseFlags = mDefParseFlags; 22463 if (args.isExternalAsec()) { 22464 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 22465 } 22466 if (args.isFwdLocked()) { 22467 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 22468 } 22469 22470 synchronized (mInstallLock) { 22471 PackageParser.Package pkg = null; 22472 try { 22473 // Sadly we don't know the package name yet to freeze it 22474 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 22475 SCAN_IGNORE_FROZEN, 0, null); 22476 } catch (PackageManagerException e) { 22477 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 22478 } 22479 // Scan the package 22480 if (pkg != null) { 22481 /* 22482 * TODO why is the lock being held? doPostInstall is 22483 * called in other places without the lock. This needs 22484 * to be straightened out. 22485 */ 22486 // writer 22487 synchronized (mPackages) { 22488 retCode = PackageManager.INSTALL_SUCCEEDED; 22489 pkgList.add(pkg.packageName); 22490 // Post process args 22491 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 22492 pkg.applicationInfo.uid); 22493 } 22494 } else { 22495 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 22496 } 22497 } 22498 22499 } finally { 22500 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 22501 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 22502 } 22503 } 22504 } 22505 // writer 22506 synchronized (mPackages) { 22507 // If the platform SDK has changed since the last time we booted, 22508 // we need to re-grant app permission to catch any new ones that 22509 // appear. This is really a hack, and means that apps can in some 22510 // cases get permissions that the user didn't initially explicitly 22511 // allow... it would be nice to have some better way to handle 22512 // this situation. 22513 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 22514 : mSettings.getInternalVersion(); 22515 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 22516 : StorageManager.UUID_PRIVATE_INTERNAL; 22517 22518 int updateFlags = UPDATE_PERMISSIONS_ALL; 22519 if (ver.sdkVersion != mSdkVersion) { 22520 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 22521 + mSdkVersion + "; regranting permissions for external"); 22522 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 22523 } 22524 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 22525 22526 // Yay, everything is now upgraded 22527 ver.forceCurrent(); 22528 22529 // can downgrade to reader 22530 // Persist settings 22531 mSettings.writeLPr(); 22532 } 22533 // Send a broadcast to let everyone know we are done processing 22534 if (pkgList.size() > 0) { 22535 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 22536 } 22537 } 22538 22539 /* 22540 * Utility method to unload a list of specified containers 22541 */ 22542 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 22543 // Just unmount all valid containers. 22544 for (AsecInstallArgs arg : cidArgs) { 22545 synchronized (mInstallLock) { 22546 arg.doPostDeleteLI(false); 22547 } 22548 } 22549 } 22550 22551 /* 22552 * Unload packages mounted on external media. This involves deleting package 22553 * data from internal structures, sending broadcasts about disabled packages, 22554 * gc'ing to free up references, unmounting all secure containers 22555 * corresponding to packages on external media, and posting a 22556 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 22557 * that we always have to post this message if status has been requested no 22558 * matter what. 22559 */ 22560 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 22561 final boolean reportStatus) { 22562 if (DEBUG_SD_INSTALL) 22563 Log.i(TAG, "unloading media packages"); 22564 ArrayList<String> pkgList = new ArrayList<String>(); 22565 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 22566 final Set<AsecInstallArgs> keys = processCids.keySet(); 22567 for (AsecInstallArgs args : keys) { 22568 String pkgName = args.getPackageName(); 22569 if (DEBUG_SD_INSTALL) 22570 Log.i(TAG, "Trying to unload pkg : " + pkgName); 22571 // Delete package internally 22572 PackageRemovedInfo outInfo = new PackageRemovedInfo(this); 22573 synchronized (mInstallLock) { 22574 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 22575 final boolean res; 22576 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 22577 "unloadMediaPackages")) { 22578 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 22579 null); 22580 } 22581 if (res) { 22582 pkgList.add(pkgName); 22583 } else { 22584 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 22585 failedList.add(args); 22586 } 22587 } 22588 } 22589 22590 // reader 22591 synchronized (mPackages) { 22592 // We didn't update the settings after removing each package; 22593 // write them now for all packages. 22594 mSettings.writeLPr(); 22595 } 22596 22597 // We have to absolutely send UPDATED_MEDIA_STATUS only 22598 // after confirming that all the receivers processed the ordered 22599 // broadcast when packages get disabled, force a gc to clean things up. 22600 // and unload all the containers. 22601 if (pkgList.size() > 0) { 22602 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 22603 new IIntentReceiver.Stub() { 22604 public void performReceive(Intent intent, int resultCode, String data, 22605 Bundle extras, boolean ordered, boolean sticky, 22606 int sendingUser) throws RemoteException { 22607 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 22608 reportStatus ? 1 : 0, 1, keys); 22609 mHandler.sendMessage(msg); 22610 } 22611 }); 22612 } else { 22613 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 22614 keys); 22615 mHandler.sendMessage(msg); 22616 } 22617 } 22618 22619 private void loadPrivatePackages(final VolumeInfo vol) { 22620 mHandler.post(new Runnable() { 22621 @Override 22622 public void run() { 22623 loadPrivatePackagesInner(vol); 22624 } 22625 }); 22626 } 22627 22628 private void loadPrivatePackagesInner(VolumeInfo vol) { 22629 final String volumeUuid = vol.fsUuid; 22630 if (TextUtils.isEmpty(volumeUuid)) { 22631 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 22632 return; 22633 } 22634 22635 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 22636 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 22637 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 22638 22639 final VersionInfo ver; 22640 final List<PackageSetting> packages; 22641 synchronized (mPackages) { 22642 ver = mSettings.findOrCreateVersion(volumeUuid); 22643 packages = mSettings.getVolumePackagesLPr(volumeUuid); 22644 } 22645 22646 for (PackageSetting ps : packages) { 22647 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 22648 synchronized (mInstallLock) { 22649 final PackageParser.Package pkg; 22650 try { 22651 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 22652 loaded.add(pkg.applicationInfo); 22653 22654 } catch (PackageManagerException e) { 22655 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 22656 } 22657 22658 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 22659 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 22660 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 22661 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 22662 } 22663 } 22664 } 22665 22666 // Reconcile app data for all started/unlocked users 22667 final StorageManager sm = mContext.getSystemService(StorageManager.class); 22668 final UserManager um = mContext.getSystemService(UserManager.class); 22669 UserManagerInternal umInternal = getUserManagerInternal(); 22670 for (UserInfo user : um.getUsers()) { 22671 final int flags; 22672 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 22673 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 22674 } else if (umInternal.isUserRunning(user.id)) { 22675 flags = StorageManager.FLAG_STORAGE_DE; 22676 } else { 22677 continue; 22678 } 22679 22680 try { 22681 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 22682 synchronized (mInstallLock) { 22683 reconcileAppsDataLI(volumeUuid, user.id, flags, true /* migrateAppData */); 22684 } 22685 } catch (IllegalStateException e) { 22686 // Device was probably ejected, and we'll process that event momentarily 22687 Slog.w(TAG, "Failed to prepare storage: " + e); 22688 } 22689 } 22690 22691 synchronized (mPackages) { 22692 int updateFlags = UPDATE_PERMISSIONS_ALL; 22693 if (ver.sdkVersion != mSdkVersion) { 22694 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 22695 + mSdkVersion + "; regranting permissions for " + volumeUuid); 22696 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 22697 } 22698 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 22699 22700 // Yay, everything is now upgraded 22701 ver.forceCurrent(); 22702 22703 mSettings.writeLPr(); 22704 } 22705 22706 for (PackageFreezer freezer : freezers) { 22707 freezer.close(); 22708 } 22709 22710 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 22711 sendResourcesChangedBroadcast(true, false, loaded, null); 22712 } 22713 22714 private void unloadPrivatePackages(final VolumeInfo vol) { 22715 mHandler.post(new Runnable() { 22716 @Override 22717 public void run() { 22718 unloadPrivatePackagesInner(vol); 22719 } 22720 }); 22721 } 22722 22723 private void unloadPrivatePackagesInner(VolumeInfo vol) { 22724 final String volumeUuid = vol.fsUuid; 22725 if (TextUtils.isEmpty(volumeUuid)) { 22726 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 22727 return; 22728 } 22729 22730 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 22731 synchronized (mInstallLock) { 22732 synchronized (mPackages) { 22733 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 22734 for (PackageSetting ps : packages) { 22735 if (ps.pkg == null) continue; 22736 22737 final ApplicationInfo info = ps.pkg.applicationInfo; 22738 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 22739 final PackageRemovedInfo outInfo = new PackageRemovedInfo(this); 22740 22741 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 22742 "unloadPrivatePackagesInner")) { 22743 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 22744 false, null)) { 22745 unloaded.add(info); 22746 } else { 22747 Slog.w(TAG, "Failed to unload " + ps.codePath); 22748 } 22749 } 22750 22751 // Try very hard to release any references to this package 22752 // so we don't risk the system server being killed due to 22753 // open FDs 22754 AttributeCache.instance().removePackage(ps.name); 22755 } 22756 22757 mSettings.writeLPr(); 22758 } 22759 } 22760 22761 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 22762 sendResourcesChangedBroadcast(false, false, unloaded, null); 22763 22764 // Try very hard to release any references to this path so we don't risk 22765 // the system server being killed due to open FDs 22766 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 22767 22768 for (int i = 0; i < 3; i++) { 22769 System.gc(); 22770 System.runFinalization(); 22771 } 22772 } 22773 22774 private void assertPackageKnown(String volumeUuid, String packageName) 22775 throws PackageManagerException { 22776 synchronized (mPackages) { 22777 // Normalize package name to handle renamed packages 22778 packageName = normalizePackageNameLPr(packageName); 22779 22780 final PackageSetting ps = mSettings.mPackages.get(packageName); 22781 if (ps == null) { 22782 throw new PackageManagerException("Package " + packageName + " is unknown"); 22783 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 22784 throw new PackageManagerException( 22785 "Package " + packageName + " found on unknown volume " + volumeUuid 22786 + "; expected volume " + ps.volumeUuid); 22787 } 22788 } 22789 } 22790 22791 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 22792 throws PackageManagerException { 22793 synchronized (mPackages) { 22794 // Normalize package name to handle renamed packages 22795 packageName = normalizePackageNameLPr(packageName); 22796 22797 final PackageSetting ps = mSettings.mPackages.get(packageName); 22798 if (ps == null) { 22799 throw new PackageManagerException("Package " + packageName + " is unknown"); 22800 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 22801 throw new PackageManagerException( 22802 "Package " + packageName + " found on unknown volume " + volumeUuid 22803 + "; expected volume " + ps.volumeUuid); 22804 } else if (!ps.getInstalled(userId)) { 22805 throw new PackageManagerException( 22806 "Package " + packageName + " not installed for user " + userId); 22807 } 22808 } 22809 } 22810 22811 private List<String> collectAbsoluteCodePaths() { 22812 synchronized (mPackages) { 22813 List<String> codePaths = new ArrayList<>(); 22814 final int packageCount = mSettings.mPackages.size(); 22815 for (int i = 0; i < packageCount; i++) { 22816 final PackageSetting ps = mSettings.mPackages.valueAt(i); 22817 codePaths.add(ps.codePath.getAbsolutePath()); 22818 } 22819 return codePaths; 22820 } 22821 } 22822 22823 /** 22824 * Examine all apps present on given mounted volume, and destroy apps that 22825 * aren't expected, either due to uninstallation or reinstallation on 22826 * another volume. 22827 */ 22828 private void reconcileApps(String volumeUuid) { 22829 List<String> absoluteCodePaths = collectAbsoluteCodePaths(); 22830 List<File> filesToDelete = null; 22831 22832 final File[] files = FileUtils.listFilesOrEmpty( 22833 Environment.getDataAppDirectory(volumeUuid)); 22834 for (File file : files) { 22835 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 22836 && !PackageInstallerService.isStageName(file.getName()); 22837 if (!isPackage) { 22838 // Ignore entries which are not packages 22839 continue; 22840 } 22841 22842 String absolutePath = file.getAbsolutePath(); 22843 22844 boolean pathValid = false; 22845 final int absoluteCodePathCount = absoluteCodePaths.size(); 22846 for (int i = 0; i < absoluteCodePathCount; i++) { 22847 String absoluteCodePath = absoluteCodePaths.get(i); 22848 if (absolutePath.startsWith(absoluteCodePath)) { 22849 pathValid = true; 22850 break; 22851 } 22852 } 22853 22854 if (!pathValid) { 22855 if (filesToDelete == null) { 22856 filesToDelete = new ArrayList<>(); 22857 } 22858 filesToDelete.add(file); 22859 } 22860 } 22861 22862 if (filesToDelete != null) { 22863 final int fileToDeleteCount = filesToDelete.size(); 22864 for (int i = 0; i < fileToDeleteCount; i++) { 22865 File fileToDelete = filesToDelete.get(i); 22866 logCriticalInfo(Log.WARN, "Destroying orphaned" + fileToDelete); 22867 synchronized (mInstallLock) { 22868 removeCodePathLI(fileToDelete); 22869 } 22870 } 22871 } 22872 } 22873 22874 /** 22875 * Reconcile all app data for the given user. 22876 * <p> 22877 * Verifies that directories exist and that ownership and labeling is 22878 * correct for all installed apps on all mounted volumes. 22879 */ 22880 void reconcileAppsData(int userId, int flags, boolean migrateAppsData) { 22881 final StorageManager storage = mContext.getSystemService(StorageManager.class); 22882 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 22883 final String volumeUuid = vol.getFsUuid(); 22884 synchronized (mInstallLock) { 22885 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppsData); 22886 } 22887 } 22888 } 22889 22890 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags, 22891 boolean migrateAppData) { 22892 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppData, false /* onlyCoreApps */); 22893 } 22894 22895 /** 22896 * Reconcile all app data on given mounted volume. 22897 * <p> 22898 * Destroys app data that isn't expected, either due to uninstallation or 22899 * reinstallation on another volume. 22900 * <p> 22901 * Verifies that directories exist and that ownership and labeling is 22902 * correct for all installed apps. 22903 * @returns list of skipped non-core packages (if {@code onlyCoreApps} is true) 22904 */ 22905 private List<String> reconcileAppsDataLI(String volumeUuid, int userId, int flags, 22906 boolean migrateAppData, boolean onlyCoreApps) { 22907 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 22908 + Integer.toHexString(flags) + " migrateAppData=" + migrateAppData); 22909 List<String> result = onlyCoreApps ? new ArrayList<>() : null; 22910 22911 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 22912 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 22913 22914 // First look for stale data that doesn't belong, and check if things 22915 // have changed since we did our last restorecon 22916 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 22917 if (StorageManager.isFileEncryptedNativeOrEmulated() 22918 && !StorageManager.isUserKeyUnlocked(userId)) { 22919 throw new RuntimeException( 22920 "Yikes, someone asked us to reconcile CE storage while " + userId 22921 + " was still locked; this would have caused massive data loss!"); 22922 } 22923 22924 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 22925 for (File file : files) { 22926 final String packageName = file.getName(); 22927 try { 22928 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 22929 } catch (PackageManagerException e) { 22930 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 22931 try { 22932 mInstaller.destroyAppData(volumeUuid, packageName, userId, 22933 StorageManager.FLAG_STORAGE_CE, 0); 22934 } catch (InstallerException e2) { 22935 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 22936 } 22937 } 22938 } 22939 } 22940 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 22941 final File[] files = FileUtils.listFilesOrEmpty(deDir); 22942 for (File file : files) { 22943 final String packageName = file.getName(); 22944 try { 22945 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 22946 } catch (PackageManagerException e) { 22947 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 22948 try { 22949 mInstaller.destroyAppData(volumeUuid, packageName, userId, 22950 StorageManager.FLAG_STORAGE_DE, 0); 22951 } catch (InstallerException e2) { 22952 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 22953 } 22954 } 22955 } 22956 } 22957 22958 // Ensure that data directories are ready to roll for all packages 22959 // installed for this volume and user 22960 final List<PackageSetting> packages; 22961 synchronized (mPackages) { 22962 packages = mSettings.getVolumePackagesLPr(volumeUuid); 22963 } 22964 int preparedCount = 0; 22965 for (PackageSetting ps : packages) { 22966 final String packageName = ps.name; 22967 if (ps.pkg == null) { 22968 Slog.w(TAG, "Odd, missing scanned package " + packageName); 22969 // TODO: might be due to legacy ASEC apps; we should circle back 22970 // and reconcile again once they're scanned 22971 continue; 22972 } 22973 // Skip non-core apps if requested 22974 if (onlyCoreApps && !ps.pkg.coreApp) { 22975 result.add(packageName); 22976 continue; 22977 } 22978 22979 if (ps.getInstalled(userId)) { 22980 prepareAppDataAndMigrateLIF(ps.pkg, userId, flags, migrateAppData); 22981 preparedCount++; 22982 } 22983 } 22984 22985 Slog.v(TAG, "reconcileAppsData finished " + preparedCount + " packages"); 22986 return result; 22987 } 22988 22989 /** 22990 * Prepare app data for the given app just after it was installed or 22991 * upgraded. This method carefully only touches users that it's installed 22992 * for, and it forces a restorecon to handle any seinfo changes. 22993 * <p> 22994 * Verifies that directories exist and that ownership and labeling is 22995 * correct for all installed apps. If there is an ownership mismatch, it 22996 * will try recovering system apps by wiping data; third-party app data is 22997 * left intact. 22998 * <p> 22999 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 23000 */ 23001 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 23002 final PackageSetting ps; 23003 synchronized (mPackages) { 23004 ps = mSettings.mPackages.get(pkg.packageName); 23005 mSettings.writeKernelMappingLPr(ps); 23006 } 23007 23008 final UserManager um = mContext.getSystemService(UserManager.class); 23009 UserManagerInternal umInternal = getUserManagerInternal(); 23010 for (UserInfo user : um.getUsers()) { 23011 final int flags; 23012 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 23013 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 23014 } else if (umInternal.isUserRunning(user.id)) { 23015 flags = StorageManager.FLAG_STORAGE_DE; 23016 } else { 23017 continue; 23018 } 23019 23020 if (ps.getInstalled(user.id)) { 23021 // TODO: when user data is locked, mark that we're still dirty 23022 prepareAppDataLIF(pkg, user.id, flags); 23023 } 23024 } 23025 } 23026 23027 /** 23028 * Prepare app data for the given app. 23029 * <p> 23030 * Verifies that directories exist and that ownership and labeling is 23031 * correct for all installed apps. If there is an ownership mismatch, this 23032 * will try recovering system apps by wiping data; third-party app data is 23033 * left intact. 23034 */ 23035 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 23036 if (pkg == null) { 23037 Slog.wtf(TAG, "Package was null!", new Throwable()); 23038 return; 23039 } 23040 prepareAppDataLeafLIF(pkg, userId, flags); 23041 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 23042 for (int i = 0; i < childCount; i++) { 23043 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 23044 } 23045 } 23046 23047 private void prepareAppDataAndMigrateLIF(PackageParser.Package pkg, int userId, int flags, 23048 boolean maybeMigrateAppData) { 23049 prepareAppDataLIF(pkg, userId, flags); 23050 23051 if (maybeMigrateAppData && maybeMigrateAppDataLIF(pkg, userId)) { 23052 // We may have just shuffled around app data directories, so 23053 // prepare them one more time 23054 prepareAppDataLIF(pkg, userId, flags); 23055 } 23056 } 23057 23058 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 23059 if (DEBUG_APP_DATA) { 23060 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 23061 + Integer.toHexString(flags)); 23062 } 23063 23064 final String volumeUuid = pkg.volumeUuid; 23065 final String packageName = pkg.packageName; 23066 final ApplicationInfo app = pkg.applicationInfo; 23067 final int appId = UserHandle.getAppId(app.uid); 23068 23069 Preconditions.checkNotNull(app.seInfo); 23070 23071 long ceDataInode = -1; 23072 try { 23073 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 23074 appId, app.seInfo, app.targetSdkVersion); 23075 } catch (InstallerException e) { 23076 if (app.isSystemApp()) { 23077 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 23078 + ", but trying to recover: " + e); 23079 destroyAppDataLeafLIF(pkg, userId, flags); 23080 try { 23081 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 23082 appId, app.seInfo, app.targetSdkVersion); 23083 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 23084 } catch (InstallerException e2) { 23085 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 23086 } 23087 } else { 23088 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 23089 } 23090 } 23091 23092 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && ceDataInode != -1) { 23093 // TODO: mark this structure as dirty so we persist it! 23094 synchronized (mPackages) { 23095 final PackageSetting ps = mSettings.mPackages.get(packageName); 23096 if (ps != null) { 23097 ps.setCeDataInode(ceDataInode, userId); 23098 } 23099 } 23100 } 23101 23102 prepareAppDataContentsLeafLIF(pkg, userId, flags); 23103 } 23104 23105 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 23106 if (pkg == null) { 23107 Slog.wtf(TAG, "Package was null!", new Throwable()); 23108 return; 23109 } 23110 prepareAppDataContentsLeafLIF(pkg, userId, flags); 23111 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 23112 for (int i = 0; i < childCount; i++) { 23113 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 23114 } 23115 } 23116 23117 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 23118 final String volumeUuid = pkg.volumeUuid; 23119 final String packageName = pkg.packageName; 23120 final ApplicationInfo app = pkg.applicationInfo; 23121 23122 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 23123 // Create a native library symlink only if we have native libraries 23124 // and if the native libraries are 32 bit libraries. We do not provide 23125 // this symlink for 64 bit libraries. 23126 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 23127 final String nativeLibPath = app.nativeLibraryDir; 23128 try { 23129 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 23130 nativeLibPath, userId); 23131 } catch (InstallerException e) { 23132 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 23133 } 23134 } 23135 } 23136 } 23137 23138 /** 23139 * For system apps on non-FBE devices, this method migrates any existing 23140 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 23141 * requested by the app. 23142 */ 23143 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 23144 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 23145 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 23146 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 23147 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 23148 try { 23149 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 23150 storageTarget); 23151 } catch (InstallerException e) { 23152 logCriticalInfo(Log.WARN, 23153 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 23154 } 23155 return true; 23156 } else { 23157 return false; 23158 } 23159 } 23160 23161 public PackageFreezer freezePackage(String packageName, String killReason) { 23162 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 23163 } 23164 23165 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 23166 return new PackageFreezer(packageName, userId, killReason); 23167 } 23168 23169 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 23170 String killReason) { 23171 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 23172 } 23173 23174 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 23175 String killReason) { 23176 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 23177 return new PackageFreezer(); 23178 } else { 23179 return freezePackage(packageName, userId, killReason); 23180 } 23181 } 23182 23183 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 23184 String killReason) { 23185 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 23186 } 23187 23188 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 23189 String killReason) { 23190 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 23191 return new PackageFreezer(); 23192 } else { 23193 return freezePackage(packageName, userId, killReason); 23194 } 23195 } 23196 23197 /** 23198 * Class that freezes and kills the given package upon creation, and 23199 * unfreezes it upon closing. This is typically used when doing surgery on 23200 * app code/data to prevent the app from running while you're working. 23201 */ 23202 private class PackageFreezer implements AutoCloseable { 23203 private final String mPackageName; 23204 private final PackageFreezer[] mChildren; 23205 23206 private final boolean mWeFroze; 23207 23208 private final AtomicBoolean mClosed = new AtomicBoolean(); 23209 private final CloseGuard mCloseGuard = CloseGuard.get(); 23210 23211 /** 23212 * Create and return a stub freezer that doesn't actually do anything, 23213 * typically used when someone requested 23214 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 23215 * {@link PackageManager#DELETE_DONT_KILL_APP}. 23216 */ 23217 public PackageFreezer() { 23218 mPackageName = null; 23219 mChildren = null; 23220 mWeFroze = false; 23221 mCloseGuard.open("close"); 23222 } 23223 23224 public PackageFreezer(String packageName, int userId, String killReason) { 23225 synchronized (mPackages) { 23226 mPackageName = packageName; 23227 mWeFroze = mFrozenPackages.add(mPackageName); 23228 23229 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 23230 if (ps != null) { 23231 killApplication(ps.name, ps.appId, userId, killReason); 23232 } 23233 23234 final PackageParser.Package p = mPackages.get(packageName); 23235 if (p != null && p.childPackages != null) { 23236 final int N = p.childPackages.size(); 23237 mChildren = new PackageFreezer[N]; 23238 for (int i = 0; i < N; i++) { 23239 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 23240 userId, killReason); 23241 } 23242 } else { 23243 mChildren = null; 23244 } 23245 } 23246 mCloseGuard.open("close"); 23247 } 23248 23249 @Override 23250 protected void finalize() throws Throwable { 23251 try { 23252 mCloseGuard.warnIfOpen(); 23253 close(); 23254 } finally { 23255 super.finalize(); 23256 } 23257 } 23258 23259 @Override 23260 public void close() { 23261 mCloseGuard.close(); 23262 if (mClosed.compareAndSet(false, true)) { 23263 synchronized (mPackages) { 23264 if (mWeFroze) { 23265 mFrozenPackages.remove(mPackageName); 23266 } 23267 23268 if (mChildren != null) { 23269 for (PackageFreezer freezer : mChildren) { 23270 freezer.close(); 23271 } 23272 } 23273 } 23274 } 23275 } 23276 } 23277 23278 /** 23279 * Verify that given package is currently frozen. 23280 */ 23281 private void checkPackageFrozen(String packageName) { 23282 synchronized (mPackages) { 23283 if (!mFrozenPackages.contains(packageName)) { 23284 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 23285 } 23286 } 23287 } 23288 23289 @Override 23290 public int movePackage(final String packageName, final String volumeUuid) { 23291 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 23292 23293 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 23294 final int moveId = mNextMoveId.getAndIncrement(); 23295 mHandler.post(new Runnable() { 23296 @Override 23297 public void run() { 23298 try { 23299 movePackageInternal(packageName, volumeUuid, moveId, user); 23300 } catch (PackageManagerException e) { 23301 Slog.w(TAG, "Failed to move " + packageName, e); 23302 mMoveCallbacks.notifyStatusChanged(moveId, 23303 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 23304 } 23305 } 23306 }); 23307 return moveId; 23308 } 23309 23310 private void movePackageInternal(final String packageName, final String volumeUuid, 23311 final int moveId, UserHandle user) throws PackageManagerException { 23312 final StorageManager storage = mContext.getSystemService(StorageManager.class); 23313 final PackageManager pm = mContext.getPackageManager(); 23314 23315 final boolean currentAsec; 23316 final String currentVolumeUuid; 23317 final File codeFile; 23318 final String installerPackageName; 23319 final String packageAbiOverride; 23320 final int appId; 23321 final String seinfo; 23322 final String label; 23323 final int targetSdkVersion; 23324 final PackageFreezer freezer; 23325 final int[] installedUserIds; 23326 23327 // reader 23328 synchronized (mPackages) { 23329 final PackageParser.Package pkg = mPackages.get(packageName); 23330 final PackageSetting ps = mSettings.mPackages.get(packageName); 23331 if (pkg == null || ps == null) { 23332 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 23333 } 23334 23335 if (pkg.applicationInfo.isSystemApp()) { 23336 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 23337 "Cannot move system application"); 23338 } 23339 23340 final boolean isInternalStorage = VolumeInfo.ID_PRIVATE_INTERNAL.equals(volumeUuid); 23341 final boolean allow3rdPartyOnInternal = mContext.getResources().getBoolean( 23342 com.android.internal.R.bool.config_allow3rdPartyAppOnInternal); 23343 if (isInternalStorage && !allow3rdPartyOnInternal) { 23344 throw new PackageManagerException(MOVE_FAILED_3RD_PARTY_NOT_ALLOWED_ON_INTERNAL, 23345 "3rd party apps are not allowed on internal storage"); 23346 } 23347 23348 if (pkg.applicationInfo.isExternalAsec()) { 23349 currentAsec = true; 23350 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 23351 } else if (pkg.applicationInfo.isForwardLocked()) { 23352 currentAsec = true; 23353 currentVolumeUuid = "forward_locked"; 23354 } else { 23355 currentAsec = false; 23356 currentVolumeUuid = ps.volumeUuid; 23357 23358 final File probe = new File(pkg.codePath); 23359 final File probeOat = new File(probe, "oat"); 23360 if (!probe.isDirectory() || !probeOat.isDirectory()) { 23361 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 23362 "Move only supported for modern cluster style installs"); 23363 } 23364 } 23365 23366 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 23367 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 23368 "Package already moved to " + volumeUuid); 23369 } 23370 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 23371 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 23372 "Device admin cannot be moved"); 23373 } 23374 23375 if (mFrozenPackages.contains(packageName)) { 23376 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 23377 "Failed to move already frozen package"); 23378 } 23379 23380 codeFile = new File(pkg.codePath); 23381 installerPackageName = ps.installerPackageName; 23382 packageAbiOverride = ps.cpuAbiOverrideString; 23383 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 23384 seinfo = pkg.applicationInfo.seInfo; 23385 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 23386 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 23387 freezer = freezePackage(packageName, "movePackageInternal"); 23388 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 23389 } 23390 23391 final Bundle extras = new Bundle(); 23392 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 23393 extras.putString(Intent.EXTRA_TITLE, label); 23394 mMoveCallbacks.notifyCreated(moveId, extras); 23395 23396 int installFlags; 23397 final boolean moveCompleteApp; 23398 final File measurePath; 23399 23400 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 23401 installFlags = INSTALL_INTERNAL; 23402 moveCompleteApp = !currentAsec; 23403 measurePath = Environment.getDataAppDirectory(volumeUuid); 23404 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 23405 installFlags = INSTALL_EXTERNAL; 23406 moveCompleteApp = false; 23407 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 23408 } else { 23409 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 23410 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 23411 || !volume.isMountedWritable()) { 23412 freezer.close(); 23413 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 23414 "Move location not mounted private volume"); 23415 } 23416 23417 Preconditions.checkState(!currentAsec); 23418 23419 installFlags = INSTALL_INTERNAL; 23420 moveCompleteApp = true; 23421 measurePath = Environment.getDataAppDirectory(volumeUuid); 23422 } 23423 23424 final PackageStats stats = new PackageStats(null, -1); 23425 synchronized (mInstaller) { 23426 for (int userId : installedUserIds) { 23427 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 23428 freezer.close(); 23429 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 23430 "Failed to measure package size"); 23431 } 23432 } 23433 } 23434 23435 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 23436 + stats.dataSize); 23437 23438 final long startFreeBytes = measurePath.getUsableSpace(); 23439 final long sizeBytes; 23440 if (moveCompleteApp) { 23441 sizeBytes = stats.codeSize + stats.dataSize; 23442 } else { 23443 sizeBytes = stats.codeSize; 23444 } 23445 23446 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 23447 freezer.close(); 23448 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 23449 "Not enough free space to move"); 23450 } 23451 23452 mMoveCallbacks.notifyStatusChanged(moveId, 10); 23453 23454 final CountDownLatch installedLatch = new CountDownLatch(1); 23455 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 23456 @Override 23457 public void onUserActionRequired(Intent intent) throws RemoteException { 23458 throw new IllegalStateException(); 23459 } 23460 23461 @Override 23462 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 23463 Bundle extras) throws RemoteException { 23464 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 23465 + PackageManager.installStatusToString(returnCode, msg)); 23466 23467 installedLatch.countDown(); 23468 freezer.close(); 23469 23470 final int status = PackageManager.installStatusToPublicStatus(returnCode); 23471 switch (status) { 23472 case PackageInstaller.STATUS_SUCCESS: 23473 mMoveCallbacks.notifyStatusChanged(moveId, 23474 PackageManager.MOVE_SUCCEEDED); 23475 break; 23476 case PackageInstaller.STATUS_FAILURE_STORAGE: 23477 mMoveCallbacks.notifyStatusChanged(moveId, 23478 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 23479 break; 23480 default: 23481 mMoveCallbacks.notifyStatusChanged(moveId, 23482 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 23483 break; 23484 } 23485 } 23486 }; 23487 23488 final MoveInfo move; 23489 if (moveCompleteApp) { 23490 // Kick off a thread to report progress estimates 23491 new Thread() { 23492 @Override 23493 public void run() { 23494 while (true) { 23495 try { 23496 if (installedLatch.await(1, TimeUnit.SECONDS)) { 23497 break; 23498 } 23499 } catch (InterruptedException ignored) { 23500 } 23501 23502 final long deltaFreeBytes = startFreeBytes - measurePath.getUsableSpace(); 23503 final int progress = 10 + (int) MathUtils.constrain( 23504 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 23505 mMoveCallbacks.notifyStatusChanged(moveId, progress); 23506 } 23507 } 23508 }.start(); 23509 23510 final String dataAppName = codeFile.getName(); 23511 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 23512 dataAppName, appId, seinfo, targetSdkVersion); 23513 } else { 23514 move = null; 23515 } 23516 23517 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 23518 23519 final Message msg = mHandler.obtainMessage(INIT_COPY); 23520 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 23521 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 23522 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 23523 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/, 23524 PackageManager.INSTALL_REASON_UNKNOWN); 23525 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 23526 msg.obj = params; 23527 23528 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 23529 System.identityHashCode(msg.obj)); 23530 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 23531 System.identityHashCode(msg.obj)); 23532 23533 mHandler.sendMessage(msg); 23534 } 23535 23536 @Override 23537 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 23538 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 23539 23540 final int realMoveId = mNextMoveId.getAndIncrement(); 23541 final Bundle extras = new Bundle(); 23542 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 23543 mMoveCallbacks.notifyCreated(realMoveId, extras); 23544 23545 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 23546 @Override 23547 public void onCreated(int moveId, Bundle extras) { 23548 // Ignored 23549 } 23550 23551 @Override 23552 public void onStatusChanged(int moveId, int status, long estMillis) { 23553 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 23554 } 23555 }; 23556 23557 final StorageManager storage = mContext.getSystemService(StorageManager.class); 23558 storage.setPrimaryStorageUuid(volumeUuid, callback); 23559 return realMoveId; 23560 } 23561 23562 @Override 23563 public int getMoveStatus(int moveId) { 23564 mContext.enforceCallingOrSelfPermission( 23565 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 23566 return mMoveCallbacks.mLastStatus.get(moveId); 23567 } 23568 23569 @Override 23570 public void registerMoveCallback(IPackageMoveObserver callback) { 23571 mContext.enforceCallingOrSelfPermission( 23572 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 23573 mMoveCallbacks.register(callback); 23574 } 23575 23576 @Override 23577 public void unregisterMoveCallback(IPackageMoveObserver callback) { 23578 mContext.enforceCallingOrSelfPermission( 23579 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 23580 mMoveCallbacks.unregister(callback); 23581 } 23582 23583 @Override 23584 public boolean setInstallLocation(int loc) { 23585 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 23586 null); 23587 if (getInstallLocation() == loc) { 23588 return true; 23589 } 23590 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 23591 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 23592 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 23593 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 23594 return true; 23595 } 23596 return false; 23597 } 23598 23599 @Override 23600 public int getInstallLocation() { 23601 // allow instant app access 23602 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 23603 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 23604 PackageHelper.APP_INSTALL_AUTO); 23605 } 23606 23607 /** Called by UserManagerService */ 23608 void cleanUpUser(UserManagerService userManager, int userHandle) { 23609 synchronized (mPackages) { 23610 mDirtyUsers.remove(userHandle); 23611 mUserNeedsBadging.delete(userHandle); 23612 mSettings.removeUserLPw(userHandle); 23613 mPendingBroadcasts.remove(userHandle); 23614 mInstantAppRegistry.onUserRemovedLPw(userHandle); 23615 removeUnusedPackagesLPw(userManager, userHandle); 23616 } 23617 } 23618 23619 /** 23620 * We're removing userHandle and would like to remove any downloaded packages 23621 * that are no longer in use by any other user. 23622 * @param userHandle the user being removed 23623 */ 23624 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 23625 final boolean DEBUG_CLEAN_APKS = false; 23626 int [] users = userManager.getUserIds(); 23627 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 23628 while (psit.hasNext()) { 23629 PackageSetting ps = psit.next(); 23630 if (ps.pkg == null) { 23631 continue; 23632 } 23633 final String packageName = ps.pkg.packageName; 23634 // Skip over if system app 23635 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 23636 continue; 23637 } 23638 if (DEBUG_CLEAN_APKS) { 23639 Slog.i(TAG, "Checking package " + packageName); 23640 } 23641 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 23642 if (keep) { 23643 if (DEBUG_CLEAN_APKS) { 23644 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 23645 } 23646 } else { 23647 for (int i = 0; i < users.length; i++) { 23648 if (users[i] != userHandle && ps.getInstalled(users[i])) { 23649 keep = true; 23650 if (DEBUG_CLEAN_APKS) { 23651 Slog.i(TAG, " Keeping package " + packageName + " for user " 23652 + users[i]); 23653 } 23654 break; 23655 } 23656 } 23657 } 23658 if (!keep) { 23659 if (DEBUG_CLEAN_APKS) { 23660 Slog.i(TAG, " Removing package " + packageName); 23661 } 23662 mHandler.post(new Runnable() { 23663 public void run() { 23664 deletePackageX(packageName, PackageManager.VERSION_CODE_HIGHEST, 23665 userHandle, 0); 23666 } //end run 23667 }); 23668 } 23669 } 23670 } 23671 23672 /** Called by UserManagerService */ 23673 void createNewUser(int userId, String[] disallowedPackages) { 23674 synchronized (mInstallLock) { 23675 mSettings.createNewUserLI(this, mInstaller, userId, disallowedPackages); 23676 } 23677 synchronized (mPackages) { 23678 scheduleWritePackageRestrictionsLocked(userId); 23679 scheduleWritePackageListLocked(userId); 23680 applyFactoryDefaultBrowserLPw(userId); 23681 primeDomainVerificationsLPw(userId); 23682 } 23683 } 23684 23685 void onNewUserCreated(final int userId) { 23686 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 23687 // If permission review for legacy apps is required, we represent 23688 // dagerous permissions for such apps as always granted runtime 23689 // permissions to keep per user flag state whether review is needed. 23690 // Hence, if a new user is added we have to propagate dangerous 23691 // permission grants for these legacy apps. 23692 if (mPermissionReviewRequired) { 23693 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 23694 | UPDATE_PERMISSIONS_REPLACE_ALL); 23695 } 23696 } 23697 23698 @Override 23699 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 23700 mContext.enforceCallingOrSelfPermission( 23701 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 23702 "Only package verification agents can read the verifier device identity"); 23703 23704 synchronized (mPackages) { 23705 return mSettings.getVerifierDeviceIdentityLPw(); 23706 } 23707 } 23708 23709 @Override 23710 public void setPermissionEnforced(String permission, boolean enforced) { 23711 // TODO: Now that we no longer change GID for storage, this should to away. 23712 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 23713 "setPermissionEnforced"); 23714 if (READ_EXTERNAL_STORAGE.equals(permission)) { 23715 synchronized (mPackages) { 23716 if (mSettings.mReadExternalStorageEnforced == null 23717 || mSettings.mReadExternalStorageEnforced != enforced) { 23718 mSettings.mReadExternalStorageEnforced = enforced; 23719 mSettings.writeLPr(); 23720 } 23721 } 23722 // kill any non-foreground processes so we restart them and 23723 // grant/revoke the GID. 23724 final IActivityManager am = ActivityManager.getService(); 23725 if (am != null) { 23726 final long token = Binder.clearCallingIdentity(); 23727 try { 23728 am.killProcessesBelowForeground("setPermissionEnforcement"); 23729 } catch (RemoteException e) { 23730 } finally { 23731 Binder.restoreCallingIdentity(token); 23732 } 23733 } 23734 } else { 23735 throw new IllegalArgumentException("No selective enforcement for " + permission); 23736 } 23737 } 23738 23739 @Override 23740 @Deprecated 23741 public boolean isPermissionEnforced(String permission) { 23742 // allow instant applications 23743 return true; 23744 } 23745 23746 @Override 23747 public boolean isStorageLow() { 23748 // allow instant applications 23749 final long token = Binder.clearCallingIdentity(); 23750 try { 23751 final DeviceStorageMonitorInternal 23752 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 23753 if (dsm != null) { 23754 return dsm.isMemoryLow(); 23755 } else { 23756 return false; 23757 } 23758 } finally { 23759 Binder.restoreCallingIdentity(token); 23760 } 23761 } 23762 23763 @Override 23764 public IPackageInstaller getPackageInstaller() { 23765 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 23766 return null; 23767 } 23768 return mInstallerService; 23769 } 23770 23771 private boolean userNeedsBadging(int userId) { 23772 int index = mUserNeedsBadging.indexOfKey(userId); 23773 if (index < 0) { 23774 final UserInfo userInfo; 23775 final long token = Binder.clearCallingIdentity(); 23776 try { 23777 userInfo = sUserManager.getUserInfo(userId); 23778 } finally { 23779 Binder.restoreCallingIdentity(token); 23780 } 23781 final boolean b; 23782 if (userInfo != null && userInfo.isManagedProfile()) { 23783 b = true; 23784 } else { 23785 b = false; 23786 } 23787 mUserNeedsBadging.put(userId, b); 23788 return b; 23789 } 23790 return mUserNeedsBadging.valueAt(index); 23791 } 23792 23793 @Override 23794 public KeySet getKeySetByAlias(String packageName, String alias) { 23795 if (packageName == null || alias == null) { 23796 return null; 23797 } 23798 synchronized(mPackages) { 23799 final PackageParser.Package pkg = mPackages.get(packageName); 23800 if (pkg == null) { 23801 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 23802 throw new IllegalArgumentException("Unknown package: " + packageName); 23803 } 23804 KeySetManagerService ksms = mSettings.mKeySetManagerService; 23805 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 23806 } 23807 } 23808 23809 @Override 23810 public KeySet getSigningKeySet(String packageName) { 23811 if (packageName == null) { 23812 return null; 23813 } 23814 synchronized(mPackages) { 23815 final int callingUid = Binder.getCallingUid(); 23816 final int callingUserId = UserHandle.getUserId(callingUid); 23817 final PackageParser.Package pkg = mPackages.get(packageName); 23818 if (pkg == null) { 23819 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 23820 throw new IllegalArgumentException("Unknown package: " + packageName); 23821 } 23822 final PackageSetting ps = (PackageSetting) pkg.mExtras; 23823 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 23824 // filter and pretend the package doesn't exist 23825 Slog.w(TAG, "KeySet requested for filtered package: " + packageName 23826 + ", uid:" + callingUid); 23827 throw new IllegalArgumentException("Unknown package: " + packageName); 23828 } 23829 if (pkg.applicationInfo.uid != callingUid 23830 && Process.SYSTEM_UID != callingUid) { 23831 throw new SecurityException("May not access signing KeySet of other apps."); 23832 } 23833 KeySetManagerService ksms = mSettings.mKeySetManagerService; 23834 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 23835 } 23836 } 23837 23838 @Override 23839 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 23840 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 23841 return false; 23842 } 23843 if (packageName == null || ks == null) { 23844 return false; 23845 } 23846 synchronized(mPackages) { 23847 final PackageParser.Package pkg = mPackages.get(packageName); 23848 if (pkg == null) { 23849 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 23850 throw new IllegalArgumentException("Unknown package: " + packageName); 23851 } 23852 IBinder ksh = ks.getToken(); 23853 if (ksh instanceof KeySetHandle) { 23854 KeySetManagerService ksms = mSettings.mKeySetManagerService; 23855 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 23856 } 23857 return false; 23858 } 23859 } 23860 23861 @Override 23862 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 23863 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 23864 return false; 23865 } 23866 if (packageName == null || ks == null) { 23867 return false; 23868 } 23869 synchronized(mPackages) { 23870 final PackageParser.Package pkg = mPackages.get(packageName); 23871 if (pkg == null) { 23872 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 23873 throw new IllegalArgumentException("Unknown package: " + packageName); 23874 } 23875 IBinder ksh = ks.getToken(); 23876 if (ksh instanceof KeySetHandle) { 23877 KeySetManagerService ksms = mSettings.mKeySetManagerService; 23878 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 23879 } 23880 return false; 23881 } 23882 } 23883 23884 private void deletePackageIfUnusedLPr(final String packageName) { 23885 PackageSetting ps = mSettings.mPackages.get(packageName); 23886 if (ps == null) { 23887 return; 23888 } 23889 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 23890 // TODO Implement atomic delete if package is unused 23891 // It is currently possible that the package will be deleted even if it is installed 23892 // after this method returns. 23893 mHandler.post(new Runnable() { 23894 public void run() { 23895 deletePackageX(packageName, PackageManager.VERSION_CODE_HIGHEST, 23896 0, PackageManager.DELETE_ALL_USERS); 23897 } 23898 }); 23899 } 23900 } 23901 23902 /** 23903 * Check and throw if the given before/after packages would be considered a 23904 * downgrade. 23905 */ 23906 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 23907 throws PackageManagerException { 23908 if (after.versionCode < before.mVersionCode) { 23909 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 23910 "Update version code " + after.versionCode + " is older than current " 23911 + before.mVersionCode); 23912 } else if (after.versionCode == before.mVersionCode) { 23913 if (after.baseRevisionCode < before.baseRevisionCode) { 23914 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 23915 "Update base revision code " + after.baseRevisionCode 23916 + " is older than current " + before.baseRevisionCode); 23917 } 23918 23919 if (!ArrayUtils.isEmpty(after.splitNames)) { 23920 for (int i = 0; i < after.splitNames.length; i++) { 23921 final String splitName = after.splitNames[i]; 23922 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 23923 if (j != -1) { 23924 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 23925 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 23926 "Update split " + splitName + " revision code " 23927 + after.splitRevisionCodes[i] + " is older than current " 23928 + before.splitRevisionCodes[j]); 23929 } 23930 } 23931 } 23932 } 23933 } 23934 } 23935 23936 private static class MoveCallbacks extends Handler { 23937 private static final int MSG_CREATED = 1; 23938 private static final int MSG_STATUS_CHANGED = 2; 23939 23940 private final RemoteCallbackList<IPackageMoveObserver> 23941 mCallbacks = new RemoteCallbackList<>(); 23942 23943 private final SparseIntArray mLastStatus = new SparseIntArray(); 23944 23945 public MoveCallbacks(Looper looper) { 23946 super(looper); 23947 } 23948 23949 public void register(IPackageMoveObserver callback) { 23950 mCallbacks.register(callback); 23951 } 23952 23953 public void unregister(IPackageMoveObserver callback) { 23954 mCallbacks.unregister(callback); 23955 } 23956 23957 @Override 23958 public void handleMessage(Message msg) { 23959 final SomeArgs args = (SomeArgs) msg.obj; 23960 final int n = mCallbacks.beginBroadcast(); 23961 for (int i = 0; i < n; i++) { 23962 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 23963 try { 23964 invokeCallback(callback, msg.what, args); 23965 } catch (RemoteException ignored) { 23966 } 23967 } 23968 mCallbacks.finishBroadcast(); 23969 args.recycle(); 23970 } 23971 23972 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 23973 throws RemoteException { 23974 switch (what) { 23975 case MSG_CREATED: { 23976 callback.onCreated(args.argi1, (Bundle) args.arg2); 23977 break; 23978 } 23979 case MSG_STATUS_CHANGED: { 23980 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 23981 break; 23982 } 23983 } 23984 } 23985 23986 private void notifyCreated(int moveId, Bundle extras) { 23987 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 23988 23989 final SomeArgs args = SomeArgs.obtain(); 23990 args.argi1 = moveId; 23991 args.arg2 = extras; 23992 obtainMessage(MSG_CREATED, args).sendToTarget(); 23993 } 23994 23995 private void notifyStatusChanged(int moveId, int status) { 23996 notifyStatusChanged(moveId, status, -1); 23997 } 23998 23999 private void notifyStatusChanged(int moveId, int status, long estMillis) { 24000 Slog.v(TAG, "Move " + moveId + " status " + status); 24001 24002 final SomeArgs args = SomeArgs.obtain(); 24003 args.argi1 = moveId; 24004 args.argi2 = status; 24005 args.arg3 = estMillis; 24006 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 24007 24008 synchronized (mLastStatus) { 24009 mLastStatus.put(moveId, status); 24010 } 24011 } 24012 } 24013 24014 private final static class OnPermissionChangeListeners extends Handler { 24015 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 24016 24017 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 24018 new RemoteCallbackList<>(); 24019 24020 public OnPermissionChangeListeners(Looper looper) { 24021 super(looper); 24022 } 24023 24024 @Override 24025 public void handleMessage(Message msg) { 24026 switch (msg.what) { 24027 case MSG_ON_PERMISSIONS_CHANGED: { 24028 final int uid = msg.arg1; 24029 handleOnPermissionsChanged(uid); 24030 } break; 24031 } 24032 } 24033 24034 public void addListenerLocked(IOnPermissionsChangeListener listener) { 24035 mPermissionListeners.register(listener); 24036 24037 } 24038 24039 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 24040 mPermissionListeners.unregister(listener); 24041 } 24042 24043 public void onPermissionsChanged(int uid) { 24044 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 24045 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 24046 } 24047 } 24048 24049 private void handleOnPermissionsChanged(int uid) { 24050 final int count = mPermissionListeners.beginBroadcast(); 24051 try { 24052 for (int i = 0; i < count; i++) { 24053 IOnPermissionsChangeListener callback = mPermissionListeners 24054 .getBroadcastItem(i); 24055 try { 24056 callback.onPermissionsChanged(uid); 24057 } catch (RemoteException e) { 24058 Log.e(TAG, "Permission listener is dead", e); 24059 } 24060 } 24061 } finally { 24062 mPermissionListeners.finishBroadcast(); 24063 } 24064 } 24065 } 24066 24067 private class PackageManagerInternalImpl extends PackageManagerInternal { 24068 @Override 24069 public void setLocationPackagesProvider(PackagesProvider provider) { 24070 synchronized (mPackages) { 24071 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 24072 } 24073 } 24074 24075 @Override 24076 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 24077 synchronized (mPackages) { 24078 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 24079 } 24080 } 24081 24082 @Override 24083 public void setSmsAppPackagesProvider(PackagesProvider provider) { 24084 synchronized (mPackages) { 24085 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 24086 } 24087 } 24088 24089 @Override 24090 public void setDialerAppPackagesProvider(PackagesProvider provider) { 24091 synchronized (mPackages) { 24092 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 24093 } 24094 } 24095 24096 @Override 24097 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 24098 synchronized (mPackages) { 24099 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 24100 } 24101 } 24102 24103 @Override 24104 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 24105 synchronized (mPackages) { 24106 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 24107 } 24108 } 24109 24110 @Override 24111 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 24112 synchronized (mPackages) { 24113 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 24114 packageName, userId); 24115 } 24116 } 24117 24118 @Override 24119 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 24120 synchronized (mPackages) { 24121 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 24122 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 24123 packageName, userId); 24124 } 24125 } 24126 24127 @Override 24128 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 24129 synchronized (mPackages) { 24130 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 24131 packageName, userId); 24132 } 24133 } 24134 24135 @Override 24136 public void setKeepUninstalledPackages(final List<String> packageList) { 24137 Preconditions.checkNotNull(packageList); 24138 List<String> removedFromList = null; 24139 synchronized (mPackages) { 24140 if (mKeepUninstalledPackages != null) { 24141 final int packagesCount = mKeepUninstalledPackages.size(); 24142 for (int i = 0; i < packagesCount; i++) { 24143 String oldPackage = mKeepUninstalledPackages.get(i); 24144 if (packageList != null && packageList.contains(oldPackage)) { 24145 continue; 24146 } 24147 if (removedFromList == null) { 24148 removedFromList = new ArrayList<>(); 24149 } 24150 removedFromList.add(oldPackage); 24151 } 24152 } 24153 mKeepUninstalledPackages = new ArrayList<>(packageList); 24154 if (removedFromList != null) { 24155 final int removedCount = removedFromList.size(); 24156 for (int i = 0; i < removedCount; i++) { 24157 deletePackageIfUnusedLPr(removedFromList.get(i)); 24158 } 24159 } 24160 } 24161 } 24162 24163 @Override 24164 public boolean isPermissionsReviewRequired(String packageName, int userId) { 24165 synchronized (mPackages) { 24166 // If we do not support permission review, done. 24167 if (!mPermissionReviewRequired) { 24168 return false; 24169 } 24170 24171 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 24172 if (packageSetting == null) { 24173 return false; 24174 } 24175 24176 // Permission review applies only to apps not supporting the new permission model. 24177 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 24178 return false; 24179 } 24180 24181 // Legacy apps have the permission and get user consent on launch. 24182 PermissionsState permissionsState = packageSetting.getPermissionsState(); 24183 return permissionsState.isPermissionReviewRequired(userId); 24184 } 24185 } 24186 24187 @Override 24188 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 24189 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 24190 } 24191 24192 @Override 24193 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 24194 int userId) { 24195 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 24196 } 24197 24198 @Override 24199 public void setDeviceAndProfileOwnerPackages( 24200 int deviceOwnerUserId, String deviceOwnerPackage, 24201 SparseArray<String> profileOwnerPackages) { 24202 mProtectedPackages.setDeviceAndProfileOwnerPackages( 24203 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 24204 } 24205 24206 @Override 24207 public boolean isPackageDataProtected(int userId, String packageName) { 24208 return mProtectedPackages.isPackageDataProtected(userId, packageName); 24209 } 24210 24211 @Override 24212 public boolean isPackageEphemeral(int userId, String packageName) { 24213 synchronized (mPackages) { 24214 final PackageSetting ps = mSettings.mPackages.get(packageName); 24215 return ps != null ? ps.getInstantApp(userId) : false; 24216 } 24217 } 24218 24219 @Override 24220 public boolean wasPackageEverLaunched(String packageName, int userId) { 24221 synchronized (mPackages) { 24222 return mSettings.wasPackageEverLaunchedLPr(packageName, userId); 24223 } 24224 } 24225 24226 @Override 24227 public void grantRuntimePermission(String packageName, String name, int userId, 24228 boolean overridePolicy) { 24229 PackageManagerService.this.grantRuntimePermission(packageName, name, userId, 24230 overridePolicy); 24231 } 24232 24233 @Override 24234 public void revokeRuntimePermission(String packageName, String name, int userId, 24235 boolean overridePolicy) { 24236 PackageManagerService.this.revokeRuntimePermission(packageName, name, userId, 24237 overridePolicy); 24238 } 24239 24240 @Override 24241 public String getNameForUid(int uid) { 24242 return PackageManagerService.this.getNameForUid(uid); 24243 } 24244 24245 @Override 24246 public void requestInstantAppResolutionPhaseTwo(AuxiliaryResolveInfo responseObj, 24247 Intent origIntent, String resolvedType, String callingPackage, 24248 Bundle verificationBundle, int userId) { 24249 PackageManagerService.this.requestInstantAppResolutionPhaseTwo( 24250 responseObj, origIntent, resolvedType, callingPackage, verificationBundle, 24251 userId); 24252 } 24253 24254 @Override 24255 public void grantEphemeralAccess(int userId, Intent intent, 24256 int targetAppId, int ephemeralAppId) { 24257 synchronized (mPackages) { 24258 mInstantAppRegistry.grantInstantAccessLPw(userId, intent, 24259 targetAppId, ephemeralAppId); 24260 } 24261 } 24262 24263 @Override 24264 public boolean isInstantAppInstallerComponent(ComponentName component) { 24265 synchronized (mPackages) { 24266 return mInstantAppInstallerActivity != null 24267 && mInstantAppInstallerActivity.getComponentName().equals(component); 24268 } 24269 } 24270 24271 @Override 24272 public void pruneInstantApps() { 24273 synchronized (mPackages) { 24274 mInstantAppRegistry.pruneInstantAppsLPw(); 24275 } 24276 } 24277 24278 @Override 24279 public String getSetupWizardPackageName() { 24280 return mSetupWizardPackage; 24281 } 24282 24283 public void setExternalSourcesPolicy(ExternalSourcesPolicy policy) { 24284 if (policy != null) { 24285 mExternalSourcesPolicy = policy; 24286 } 24287 } 24288 24289 @Override 24290 public boolean isPackagePersistent(String packageName) { 24291 synchronized (mPackages) { 24292 PackageParser.Package pkg = mPackages.get(packageName); 24293 return pkg != null 24294 ? ((pkg.applicationInfo.flags&(ApplicationInfo.FLAG_SYSTEM 24295 | ApplicationInfo.FLAG_PERSISTENT)) == 24296 (ApplicationInfo.FLAG_SYSTEM | ApplicationInfo.FLAG_PERSISTENT)) 24297 : false; 24298 } 24299 } 24300 24301 @Override 24302 public List<PackageInfo> getOverlayPackages(int userId) { 24303 final ArrayList<PackageInfo> overlayPackages = new ArrayList<PackageInfo>(); 24304 synchronized (mPackages) { 24305 for (PackageParser.Package p : mPackages.values()) { 24306 if (p.mOverlayTarget != null) { 24307 PackageInfo pkg = generatePackageInfo((PackageSetting)p.mExtras, 0, userId); 24308 if (pkg != null) { 24309 overlayPackages.add(pkg); 24310 } 24311 } 24312 } 24313 } 24314 return overlayPackages; 24315 } 24316 24317 @Override 24318 public List<String> getTargetPackageNames(int userId) { 24319 List<String> targetPackages = new ArrayList<>(); 24320 synchronized (mPackages) { 24321 for (PackageParser.Package p : mPackages.values()) { 24322 if (p.mOverlayTarget == null) { 24323 targetPackages.add(p.packageName); 24324 } 24325 } 24326 } 24327 return targetPackages; 24328 } 24329 24330 @Override 24331 public boolean setEnabledOverlayPackages(int userId, @NonNull String targetPackageName, 24332 @Nullable List<String> overlayPackageNames) { 24333 synchronized (mPackages) { 24334 if (targetPackageName == null || mPackages.get(targetPackageName) == null) { 24335 Slog.e(TAG, "failed to find package " + targetPackageName); 24336 return false; 24337 } 24338 24339 ArrayList<String> paths = null; 24340 if (overlayPackageNames != null) { 24341 final int N = overlayPackageNames.size(); 24342 paths = new ArrayList<>(N); 24343 for (int i = 0; i < N; i++) { 24344 final String packageName = overlayPackageNames.get(i); 24345 final PackageParser.Package pkg = mPackages.get(packageName); 24346 if (pkg == null) { 24347 Slog.e(TAG, "failed to find package " + packageName); 24348 return false; 24349 } 24350 paths.add(pkg.baseCodePath); 24351 } 24352 } 24353 24354 ArrayMap<String, ArrayList<String>> userSpecificOverlays = 24355 mEnabledOverlayPaths.get(userId); 24356 if (userSpecificOverlays == null) { 24357 userSpecificOverlays = new ArrayMap<>(); 24358 mEnabledOverlayPaths.put(userId, userSpecificOverlays); 24359 } 24360 24361 if (paths != null && paths.size() > 0) { 24362 userSpecificOverlays.put(targetPackageName, paths); 24363 } else { 24364 userSpecificOverlays.remove(targetPackageName); 24365 } 24366 return true; 24367 } 24368 } 24369 24370 @Override 24371 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 24372 int flags, int userId) { 24373 return resolveIntentInternal( 24374 intent, resolvedType, flags, userId, true /*resolveForStart*/); 24375 } 24376 24377 @Override 24378 public ResolveInfo resolveService(Intent intent, String resolvedType, 24379 int flags, int userId, int callingUid) { 24380 return resolveServiceInternal(intent, resolvedType, flags, userId, callingUid); 24381 } 24382 24383 @Override 24384 public void addIsolatedUid(int isolatedUid, int ownerUid) { 24385 synchronized (mPackages) { 24386 mIsolatedOwners.put(isolatedUid, ownerUid); 24387 } 24388 } 24389 24390 @Override 24391 public void removeIsolatedUid(int isolatedUid) { 24392 synchronized (mPackages) { 24393 mIsolatedOwners.delete(isolatedUid); 24394 } 24395 } 24396 24397 @Override 24398 public int getUidTargetSdkVersion(int uid) { 24399 synchronized (mPackages) { 24400 return getUidTargetSdkVersionLockedLPr(uid); 24401 } 24402 } 24403 24404 @Override 24405 public boolean canAccessInstantApps(int callingUid, int userId) { 24406 return PackageManagerService.this.canViewInstantApps(callingUid, userId); 24407 } 24408 } 24409 24410 @Override 24411 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 24412 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 24413 synchronized (mPackages) { 24414 final long identity = Binder.clearCallingIdentity(); 24415 try { 24416 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 24417 packageNames, userId); 24418 } finally { 24419 Binder.restoreCallingIdentity(identity); 24420 } 24421 } 24422 } 24423 24424 @Override 24425 public void grantDefaultPermissionsToEnabledImsServices(String[] packageNames, int userId) { 24426 enforceSystemOrPhoneCaller("grantDefaultPermissionsToEnabledImsServices"); 24427 synchronized (mPackages) { 24428 final long identity = Binder.clearCallingIdentity(); 24429 try { 24430 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledImsServicesLPr( 24431 packageNames, userId); 24432 } finally { 24433 Binder.restoreCallingIdentity(identity); 24434 } 24435 } 24436 } 24437 24438 private static void enforceSystemOrPhoneCaller(String tag) { 24439 int callingUid = Binder.getCallingUid(); 24440 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 24441 throw new SecurityException( 24442 "Cannot call " + tag + " from UID " + callingUid); 24443 } 24444 } 24445 24446 boolean isHistoricalPackageUsageAvailable() { 24447 return mPackageUsage.isHistoricalPackageUsageAvailable(); 24448 } 24449 24450 /** 24451 * Return a <b>copy</b> of the collection of packages known to the package manager. 24452 * @return A copy of the values of mPackages. 24453 */ 24454 Collection<PackageParser.Package> getPackages() { 24455 synchronized (mPackages) { 24456 return new ArrayList<>(mPackages.values()); 24457 } 24458 } 24459 24460 /** 24461 * Logs process start information (including base APK hash) to the security log. 24462 * @hide 24463 */ 24464 @Override 24465 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 24466 String apkFile, int pid) { 24467 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 24468 return; 24469 } 24470 if (!SecurityLog.isLoggingEnabled()) { 24471 return; 24472 } 24473 Bundle data = new Bundle(); 24474 data.putLong("startTimestamp", System.currentTimeMillis()); 24475 data.putString("processName", processName); 24476 data.putInt("uid", uid); 24477 data.putString("seinfo", seinfo); 24478 data.putString("apkFile", apkFile); 24479 data.putInt("pid", pid); 24480 Message msg = mProcessLoggingHandler.obtainMessage( 24481 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 24482 msg.setData(data); 24483 mProcessLoggingHandler.sendMessage(msg); 24484 } 24485 24486 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 24487 return mCompilerStats.getPackageStats(pkgName); 24488 } 24489 24490 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 24491 return getOrCreateCompilerPackageStats(pkg.packageName); 24492 } 24493 24494 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 24495 return mCompilerStats.getOrCreatePackageStats(pkgName); 24496 } 24497 24498 public void deleteCompilerPackageStats(String pkgName) { 24499 mCompilerStats.deletePackageStats(pkgName); 24500 } 24501 24502 @Override 24503 public int getInstallReason(String packageName, int userId) { 24504 final int callingUid = Binder.getCallingUid(); 24505 enforceCrossUserPermission(callingUid, userId, 24506 true /* requireFullPermission */, false /* checkShell */, 24507 "get install reason"); 24508 synchronized (mPackages) { 24509 final PackageSetting ps = mSettings.mPackages.get(packageName); 24510 if (filterAppAccessLPr(ps, callingUid, userId)) { 24511 return PackageManager.INSTALL_REASON_UNKNOWN; 24512 } 24513 if (ps != null) { 24514 return ps.getInstallReason(userId); 24515 } 24516 } 24517 return PackageManager.INSTALL_REASON_UNKNOWN; 24518 } 24519 24520 @Override 24521 public boolean canRequestPackageInstalls(String packageName, int userId) { 24522 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 24523 return false; 24524 } 24525 return canRequestPackageInstallsInternal(packageName, 0, userId, 24526 true /* throwIfPermNotDeclared*/); 24527 } 24528 24529 private boolean canRequestPackageInstallsInternal(String packageName, int flags, int userId, 24530 boolean throwIfPermNotDeclared) { 24531 int callingUid = Binder.getCallingUid(); 24532 int uid = getPackageUid(packageName, 0, userId); 24533 if (callingUid != uid && callingUid != Process.ROOT_UID 24534 && callingUid != Process.SYSTEM_UID) { 24535 throw new SecurityException( 24536 "Caller uid " + callingUid + " does not own package " + packageName); 24537 } 24538 ApplicationInfo info = getApplicationInfo(packageName, flags, userId); 24539 if (info == null) { 24540 return false; 24541 } 24542 if (info.targetSdkVersion < Build.VERSION_CODES.O) { 24543 return false; 24544 } 24545 String appOpPermission = Manifest.permission.REQUEST_INSTALL_PACKAGES; 24546 String[] packagesDeclaringPermission = getAppOpPermissionPackages(appOpPermission); 24547 if (!ArrayUtils.contains(packagesDeclaringPermission, packageName)) { 24548 if (throwIfPermNotDeclared) { 24549 throw new SecurityException("Need to declare " + appOpPermission 24550 + " to call this api"); 24551 } else { 24552 Slog.e(TAG, "Need to declare " + appOpPermission + " to call this api"); 24553 return false; 24554 } 24555 } 24556 if (sUserManager.hasUserRestriction(UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES, userId)) { 24557 return false; 24558 } 24559 if (mExternalSourcesPolicy != null) { 24560 int isTrusted = mExternalSourcesPolicy.getPackageTrustedToInstallApps(packageName, uid); 24561 if (isTrusted != PackageManagerInternal.ExternalSourcesPolicy.USER_DEFAULT) { 24562 return isTrusted == PackageManagerInternal.ExternalSourcesPolicy.USER_TRUSTED; 24563 } 24564 } 24565 return checkUidPermission(appOpPermission, uid) == PERMISSION_GRANTED; 24566 } 24567 24568 @Override 24569 public ComponentName getInstantAppResolverSettingsComponent() { 24570 return mInstantAppResolverSettingsComponent; 24571 } 24572 24573 @Override 24574 public ComponentName getInstantAppInstallerComponent() { 24575 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 24576 return null; 24577 } 24578 return mInstantAppInstallerActivity == null 24579 ? null : mInstantAppInstallerActivity.getComponentName(); 24580 } 24581 24582 @Override 24583 public String getInstantAppAndroidId(String packageName, int userId) { 24584 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.ACCESS_INSTANT_APPS, 24585 "getInstantAppAndroidId"); 24586 enforceCrossUserPermission(Binder.getCallingUid(), userId, 24587 true /* requireFullPermission */, false /* checkShell */, 24588 "getInstantAppAndroidId"); 24589 // Make sure the target is an Instant App. 24590 if (!isInstantApp(packageName, userId)) { 24591 return null; 24592 } 24593 synchronized (mPackages) { 24594 return mInstantAppRegistry.getInstantAppAndroidIdLPw(packageName, userId); 24595 } 24596 } 24597} 24598 24599interface PackageSender { 24600 void sendPackageBroadcast(final String action, final String pkg, 24601 final Bundle extras, final int flags, final String targetPkg, 24602 final IIntentReceiver finishedReceiver, final int[] userIds); 24603 void sendPackageAddedForNewUsers(String packageName, boolean isSystem, 24604 int appId, int... userIds); 24605} 24606