PackageManagerService.java revision 0d277a7b189c8807d142b69dd8d00b17978a49a5
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.REQUEST_INSTALL_PACKAGES; 24import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 25import static android.Manifest.permission.WRITE_MEDIA_STORAGE; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 27import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 28import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 29import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 30import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 31import static android.content.pm.PackageManager.DELETE_KEEP_DATA; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 33import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 34import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 35import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 36import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 37import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 38import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 39import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 40import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 41import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 42import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 43import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 44import static android.content.pm.PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID; 45import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 46import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 47import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 48import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 49import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 50import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 51import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 52import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 53import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 54import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 55import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 56import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 57import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 58import static android.content.pm.PackageManager.INSTALL_INTERNAL; 59import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 60import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 61import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 62import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 63import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 64import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 65import static android.content.pm.PackageManager.MATCH_ALL; 66import static android.content.pm.PackageManager.MATCH_ANY_USER; 67import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 68import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_AWARE; 69import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE; 70import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 71import static android.content.pm.PackageManager.MATCH_FACTORY_ONLY; 72import static android.content.pm.PackageManager.MATCH_KNOWN_PACKAGES; 73import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 74import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 75import static android.content.pm.PackageManager.MOVE_FAILED_3RD_PARTY_NOT_ALLOWED_ON_INTERNAL; 76import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 77import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 78import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 79import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 80import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 81import static android.content.pm.PackageManager.PERMISSION_DENIED; 82import static android.content.pm.PackageManager.PERMISSION_GRANTED; 83import static android.content.pm.PackageParser.PARSE_IS_PRIVILEGED; 84import static android.content.pm.PackageParser.isApkFile; 85import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 86import static android.system.OsConstants.O_CREAT; 87import static android.system.OsConstants.O_RDWR; 88import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 89import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 90import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 91import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 92import static com.android.internal.util.ArrayUtils.appendInt; 93import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 94import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 95import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 96import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 97import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 98import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason; 99import static com.android.server.pm.PackageManagerServiceCompilerMapping.getFullCompilerFilter; 100import static com.android.server.pm.PackageManagerServiceCompilerMapping.getNonProfileGuidedCompilerFilter; 101import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 102import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 103import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 104 105import android.Manifest; 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.ChangedPackages; 129import android.content.pm.ComponentInfo; 130import android.content.pm.InstantAppRequest; 131import android.content.pm.AuxiliaryResolveInfo; 132import android.content.pm.FallbackCategoryProvider; 133import android.content.pm.FeatureInfo; 134import android.content.pm.IOnPermissionsChangeListener; 135import android.content.pm.IPackageDataObserver; 136import android.content.pm.IPackageDeleteObserver; 137import android.content.pm.IPackageDeleteObserver2; 138import android.content.pm.IPackageInstallObserver2; 139import android.content.pm.IPackageInstaller; 140import android.content.pm.IPackageManager; 141import android.content.pm.IPackageMoveObserver; 142import android.content.pm.IPackageStatsObserver; 143import android.content.pm.InstantAppInfo; 144import android.content.pm.InstantAppResolveInfo; 145import android.content.pm.InstrumentationInfo; 146import android.content.pm.IntentFilterVerificationInfo; 147import android.content.pm.KeySet; 148import android.content.pm.PackageCleanItem; 149import android.content.pm.PackageInfo; 150import android.content.pm.PackageInfoLite; 151import android.content.pm.PackageInstaller; 152import android.content.pm.PackageManager; 153import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 154import android.content.pm.PackageManagerInternal; 155import android.content.pm.PackageParser; 156import android.content.pm.PackageParser.ActivityIntentInfo; 157import android.content.pm.PackageParser.PackageLite; 158import android.content.pm.PackageParser.PackageParserException; 159import android.content.pm.PackageStats; 160import android.content.pm.PackageUserState; 161import android.content.pm.ParceledListSlice; 162import android.content.pm.PermissionGroupInfo; 163import android.content.pm.PermissionInfo; 164import android.content.pm.ProviderInfo; 165import android.content.pm.ResolveInfo; 166import android.content.pm.ServiceInfo; 167import android.content.pm.SharedLibraryInfo; 168import android.content.pm.Signature; 169import android.content.pm.UserInfo; 170import android.content.pm.VerifierDeviceIdentity; 171import android.content.pm.VerifierInfo; 172import android.content.pm.VersionedPackage; 173import android.content.res.Resources; 174import android.database.ContentObserver; 175import android.graphics.Bitmap; 176import android.hardware.display.DisplayManager; 177import android.net.Uri; 178import android.os.Binder; 179import android.os.Build; 180import android.os.Bundle; 181import android.os.Debug; 182import android.os.Environment; 183import android.os.Environment.UserEnvironment; 184import android.os.FileUtils; 185import android.os.Handler; 186import android.os.IBinder; 187import android.os.Looper; 188import android.os.Message; 189import android.os.Parcel; 190import android.os.ParcelFileDescriptor; 191import android.os.PatternMatcher; 192import android.os.Process; 193import android.os.RemoteCallbackList; 194import android.os.RemoteException; 195import android.os.ResultReceiver; 196import android.os.SELinux; 197import android.os.ServiceManager; 198import android.os.ShellCallback; 199import android.os.SystemClock; 200import android.os.SystemProperties; 201import android.os.Trace; 202import android.os.UserHandle; 203import android.os.UserManager; 204import android.os.UserManagerInternal; 205import android.os.storage.IStorageManager; 206import android.os.storage.StorageEventListener; 207import android.os.storage.StorageManager; 208import android.os.storage.StorageManagerInternal; 209import android.os.storage.VolumeInfo; 210import android.os.storage.VolumeRecord; 211import android.provider.Settings.Global; 212import android.provider.Settings.Secure; 213import android.security.KeyStore; 214import android.security.SystemKeyStore; 215import android.service.pm.PackageServiceDumpProto; 216import android.system.ErrnoException; 217import android.system.Os; 218import android.text.TextUtils; 219import android.text.format.DateUtils; 220import android.util.ArrayMap; 221import android.util.ArraySet; 222import android.util.Base64; 223import android.util.BootTimingsTraceLog; 224import android.util.DisplayMetrics; 225import android.util.EventLog; 226import android.util.ExceptionUtils; 227import android.util.Log; 228import android.util.LogPrinter; 229import android.util.MathUtils; 230import android.util.PackageUtils; 231import android.util.Pair; 232import android.util.PrintStreamPrinter; 233import android.util.Slog; 234import android.util.SparseArray; 235import android.util.SparseBooleanArray; 236import android.util.SparseIntArray; 237import android.util.Xml; 238import android.util.jar.StrictJarFile; 239import android.util.proto.ProtoOutputStream; 240import android.view.Display; 241 242import com.android.internal.R; 243import com.android.internal.annotations.GuardedBy; 244import com.android.internal.app.IMediaContainerService; 245import com.android.internal.app.ResolverActivity; 246import com.android.internal.content.NativeLibraryHelper; 247import com.android.internal.content.PackageHelper; 248import com.android.internal.logging.MetricsLogger; 249import com.android.internal.logging.nano.MetricsProto.MetricsEvent; 250import com.android.internal.os.IParcelFileDescriptorFactory; 251import com.android.internal.os.RoSystemProperties; 252import com.android.internal.os.SomeArgs; 253import com.android.internal.os.Zygote; 254import com.android.internal.telephony.CarrierAppUtils; 255import com.android.internal.util.ArrayUtils; 256import com.android.internal.util.ConcurrentUtils; 257import com.android.internal.util.DumpUtils; 258import com.android.internal.util.FastPrintWriter; 259import com.android.internal.util.FastXmlSerializer; 260import com.android.internal.util.IndentingPrintWriter; 261import com.android.internal.util.Preconditions; 262import com.android.internal.util.XmlUtils; 263import com.android.server.AttributeCache; 264import com.android.server.DeviceIdleController; 265import com.android.server.EventLogTags; 266import com.android.server.FgThread; 267import com.android.server.IntentResolver; 268import com.android.server.LocalServices; 269import com.android.server.LockGuard; 270import com.android.server.ServiceThread; 271import com.android.server.SystemConfig; 272import com.android.server.SystemServerInitThreadPool; 273import com.android.server.Watchdog; 274import com.android.server.net.NetworkPolicyManagerInternal; 275import com.android.server.pm.Installer.InstallerException; 276import com.android.server.pm.PermissionsState.PermissionState; 277import com.android.server.pm.Settings.DatabaseVersion; 278import com.android.server.pm.Settings.VersionInfo; 279import com.android.server.pm.dex.DexManager; 280import com.android.server.storage.DeviceStorageMonitorInternal; 281 282import dalvik.system.CloseGuard; 283import dalvik.system.DexFile; 284import dalvik.system.VMRuntime; 285 286import libcore.io.IoUtils; 287import libcore.util.EmptyArray; 288 289import org.xmlpull.v1.XmlPullParser; 290import org.xmlpull.v1.XmlPullParserException; 291import org.xmlpull.v1.XmlSerializer; 292 293import java.io.BufferedOutputStream; 294import java.io.BufferedReader; 295import java.io.ByteArrayInputStream; 296import java.io.ByteArrayOutputStream; 297import java.io.File; 298import java.io.FileDescriptor; 299import java.io.FileInputStream; 300import java.io.FileOutputStream; 301import java.io.FileReader; 302import java.io.FilenameFilter; 303import java.io.IOException; 304import java.io.PrintWriter; 305import java.nio.charset.StandardCharsets; 306import java.security.DigestInputStream; 307import java.security.MessageDigest; 308import java.security.NoSuchAlgorithmException; 309import java.security.PublicKey; 310import java.security.SecureRandom; 311import java.security.cert.Certificate; 312import java.security.cert.CertificateEncodingException; 313import java.security.cert.CertificateException; 314import java.text.SimpleDateFormat; 315import java.util.ArrayList; 316import java.util.Arrays; 317import java.util.Collection; 318import java.util.Collections; 319import java.util.Comparator; 320import java.util.Date; 321import java.util.HashMap; 322import java.util.HashSet; 323import java.util.Iterator; 324import java.util.List; 325import java.util.Map; 326import java.util.Objects; 327import java.util.Set; 328import java.util.concurrent.CountDownLatch; 329import java.util.concurrent.Future; 330import java.util.concurrent.TimeUnit; 331import java.util.concurrent.atomic.AtomicBoolean; 332import java.util.concurrent.atomic.AtomicInteger; 333 334/** 335 * Keep track of all those APKs everywhere. 336 * <p> 337 * Internally there are two important locks: 338 * <ul> 339 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 340 * and other related state. It is a fine-grained lock that should only be held 341 * momentarily, as it's one of the most contended locks in the system. 342 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 343 * operations typically involve heavy lifting of application data on disk. Since 344 * {@code installd} is single-threaded, and it's operations can often be slow, 345 * this lock should never be acquired while already holding {@link #mPackages}. 346 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 347 * holding {@link #mInstallLock}. 348 * </ul> 349 * Many internal methods rely on the caller to hold the appropriate locks, and 350 * this contract is expressed through method name suffixes: 351 * <ul> 352 * <li>fooLI(): the caller must hold {@link #mInstallLock} 353 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 354 * being modified must be frozen 355 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 356 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 357 * </ul> 358 * <p> 359 * Because this class is very central to the platform's security; please run all 360 * CTS and unit tests whenever making modifications: 361 * 362 * <pre> 363 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 364 * $ cts-tradefed run commandAndExit cts -m CtsAppSecurityHostTestCases 365 * </pre> 366 */ 367public class PackageManagerService extends IPackageManager.Stub 368 implements PackageSender { 369 static final String TAG = "PackageManager"; 370 static final boolean DEBUG_SETTINGS = false; 371 static final boolean DEBUG_PREFERRED = false; 372 static final boolean DEBUG_UPGRADE = false; 373 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 374 private static final boolean DEBUG_BACKUP = false; 375 private static final boolean DEBUG_INSTALL = false; 376 private static final boolean DEBUG_REMOVE = false; 377 private static final boolean DEBUG_BROADCASTS = false; 378 private static final boolean DEBUG_SHOW_INFO = false; 379 private static final boolean DEBUG_PACKAGE_INFO = false; 380 private static final boolean DEBUG_INTENT_MATCHING = false; 381 private static final boolean DEBUG_PACKAGE_SCANNING = false; 382 private static final boolean DEBUG_VERIFY = false; 383 private static final boolean DEBUG_FILTERS = false; 384 385 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 386 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 387 // user, but by default initialize to this. 388 public static final boolean DEBUG_DEXOPT = false; 389 390 private static final boolean DEBUG_ABI_SELECTION = false; 391 private static final boolean DEBUG_EPHEMERAL = Build.IS_DEBUGGABLE; 392 private static final boolean DEBUG_TRIAGED_MISSING = false; 393 private static final boolean DEBUG_APP_DATA = false; 394 395 /** REMOVE. According to Svet, this was only used to reset permissions during development. */ 396 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 397 398 private static final boolean HIDE_EPHEMERAL_APIS = false; 399 400 private static final boolean ENABLE_FREE_CACHE_V2 = 401 SystemProperties.getBoolean("fw.free_cache_v2", true); 402 403 private static final int RADIO_UID = Process.PHONE_UID; 404 private static final int LOG_UID = Process.LOG_UID; 405 private static final int NFC_UID = Process.NFC_UID; 406 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 407 private static final int SHELL_UID = Process.SHELL_UID; 408 409 // Cap the size of permission trees that 3rd party apps can define 410 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 411 412 // Suffix used during package installation when copying/moving 413 // package apks to install directory. 414 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 415 416 static final int SCAN_NO_DEX = 1<<1; 417 static final int SCAN_FORCE_DEX = 1<<2; 418 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 419 static final int SCAN_NEW_INSTALL = 1<<4; 420 static final int SCAN_UPDATE_TIME = 1<<5; 421 static final int SCAN_BOOTING = 1<<6; 422 static final int SCAN_TRUSTED_OVERLAY = 1<<7; 423 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<8; 424 static final int SCAN_REPLACING = 1<<9; 425 static final int SCAN_REQUIRE_KNOWN = 1<<10; 426 static final int SCAN_MOVE = 1<<11; 427 static final int SCAN_INITIAL = 1<<12; 428 static final int SCAN_CHECK_ONLY = 1<<13; 429 static final int SCAN_DONT_KILL_APP = 1<<14; 430 static final int SCAN_IGNORE_FROZEN = 1<<15; 431 static final int SCAN_FIRST_BOOT_OR_UPGRADE = 1<<16; 432 static final int SCAN_AS_INSTANT_APP = 1<<17; 433 static final int SCAN_AS_FULL_APP = 1<<18; 434 /** Should not be with the scan flags */ 435 static final int FLAGS_REMOVE_CHATTY = 1<<31; 436 437 private static final String STATIC_SHARED_LIB_DELIMITER = "_"; 438 439 private static final int[] EMPTY_INT_ARRAY = new int[0]; 440 441 /** 442 * Timeout (in milliseconds) after which the watchdog should declare that 443 * our handler thread is wedged. The usual default for such things is one 444 * minute but we sometimes do very lengthy I/O operations on this thread, 445 * such as installing multi-gigabyte applications, so ours needs to be longer. 446 */ 447 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 448 449 /** 450 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 451 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 452 * settings entry if available, otherwise we use the hardcoded default. If it's been 453 * more than this long since the last fstrim, we force one during the boot sequence. 454 * 455 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 456 * one gets run at the next available charging+idle time. This final mandatory 457 * no-fstrim check kicks in only of the other scheduling criteria is never met. 458 */ 459 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 460 461 /** 462 * Whether verification is enabled by default. 463 */ 464 private static final boolean DEFAULT_VERIFY_ENABLE = true; 465 466 /** 467 * The default maximum time to wait for the verification agent to return in 468 * milliseconds. 469 */ 470 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 471 472 /** 473 * The default response for package verification timeout. 474 * 475 * This can be either PackageManager.VERIFICATION_ALLOW or 476 * PackageManager.VERIFICATION_REJECT. 477 */ 478 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 479 480 static final String PLATFORM_PACKAGE_NAME = "android"; 481 482 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 483 484 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 485 DEFAULT_CONTAINER_PACKAGE, 486 "com.android.defcontainer.DefaultContainerService"); 487 488 private static final String KILL_APP_REASON_GIDS_CHANGED = 489 "permission grant or revoke changed gids"; 490 491 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 492 "permissions revoked"; 493 494 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 495 496 private static final String PACKAGE_SCHEME = "package"; 497 498 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 499 500 /** Permission grant: not grant the permission. */ 501 private static final int GRANT_DENIED = 1; 502 503 /** Permission grant: grant the permission as an install permission. */ 504 private static final int GRANT_INSTALL = 2; 505 506 /** Permission grant: grant the permission as a runtime one. */ 507 private static final int GRANT_RUNTIME = 3; 508 509 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 510 private static final int GRANT_UPGRADE = 4; 511 512 /** Canonical intent used to identify what counts as a "web browser" app */ 513 private static final Intent sBrowserIntent; 514 static { 515 sBrowserIntent = new Intent(); 516 sBrowserIntent.setAction(Intent.ACTION_VIEW); 517 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 518 sBrowserIntent.setData(Uri.parse("http:")); 519 } 520 521 /** 522 * The set of all protected actions [i.e. those actions for which a high priority 523 * intent filter is disallowed]. 524 */ 525 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 526 static { 527 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 528 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 529 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 530 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 531 } 532 533 // Compilation reasons. 534 public static final int REASON_FIRST_BOOT = 0; 535 public static final int REASON_BOOT = 1; 536 public static final int REASON_INSTALL = 2; 537 public static final int REASON_BACKGROUND_DEXOPT = 3; 538 public static final int REASON_AB_OTA = 4; 539 public static final int REASON_FORCED_DEXOPT = 5; 540 541 public static final int REASON_LAST = REASON_FORCED_DEXOPT; 542 543 /** All dangerous permission names in the same order as the events in MetricsEvent */ 544 private static final List<String> ALL_DANGEROUS_PERMISSIONS = Arrays.asList( 545 Manifest.permission.READ_CALENDAR, 546 Manifest.permission.WRITE_CALENDAR, 547 Manifest.permission.CAMERA, 548 Manifest.permission.READ_CONTACTS, 549 Manifest.permission.WRITE_CONTACTS, 550 Manifest.permission.GET_ACCOUNTS, 551 Manifest.permission.ACCESS_FINE_LOCATION, 552 Manifest.permission.ACCESS_COARSE_LOCATION, 553 Manifest.permission.RECORD_AUDIO, 554 Manifest.permission.READ_PHONE_STATE, 555 Manifest.permission.CALL_PHONE, 556 Manifest.permission.READ_CALL_LOG, 557 Manifest.permission.WRITE_CALL_LOG, 558 Manifest.permission.ADD_VOICEMAIL, 559 Manifest.permission.USE_SIP, 560 Manifest.permission.PROCESS_OUTGOING_CALLS, 561 Manifest.permission.READ_CELL_BROADCASTS, 562 Manifest.permission.BODY_SENSORS, 563 Manifest.permission.SEND_SMS, 564 Manifest.permission.RECEIVE_SMS, 565 Manifest.permission.READ_SMS, 566 Manifest.permission.RECEIVE_WAP_PUSH, 567 Manifest.permission.RECEIVE_MMS, 568 Manifest.permission.READ_EXTERNAL_STORAGE, 569 Manifest.permission.WRITE_EXTERNAL_STORAGE, 570 Manifest.permission.READ_PHONE_NUMBERS, 571 Manifest.permission.ANSWER_PHONE_CALLS); 572 573 574 /** 575 * Version number for the package parser cache. Increment this whenever the format or 576 * extent of cached data changes. See {@code PackageParser#setCacheDir}. 577 */ 578 private static final String PACKAGE_PARSER_CACHE_VERSION = "1"; 579 580 /** 581 * Whether the package parser cache is enabled. 582 */ 583 private static final boolean DEFAULT_PACKAGE_PARSER_CACHE_ENABLED = true; 584 585 final ServiceThread mHandlerThread; 586 587 final PackageHandler mHandler; 588 589 private final ProcessLoggingHandler mProcessLoggingHandler; 590 591 /** 592 * Messages for {@link #mHandler} that need to wait for system ready before 593 * being dispatched. 594 */ 595 private ArrayList<Message> mPostSystemReadyMessages; 596 597 final int mSdkVersion = Build.VERSION.SDK_INT; 598 599 final Context mContext; 600 final boolean mFactoryTest; 601 final boolean mOnlyCore; 602 final DisplayMetrics mMetrics; 603 final int mDefParseFlags; 604 final String[] mSeparateProcesses; 605 final boolean mIsUpgrade; 606 final boolean mIsPreNUpgrade; 607 final boolean mIsPreNMR1Upgrade; 608 609 // Have we told the Activity Manager to whitelist the default container service by uid yet? 610 @GuardedBy("mPackages") 611 boolean mDefaultContainerWhitelisted = false; 612 613 @GuardedBy("mPackages") 614 private boolean mDexOptDialogShown; 615 616 /** The location for ASEC container files on internal storage. */ 617 final String mAsecInternalPath; 618 619 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 620 // LOCK HELD. Can be called with mInstallLock held. 621 @GuardedBy("mInstallLock") 622 final Installer mInstaller; 623 624 /** Directory where installed third-party apps stored */ 625 final File mAppInstallDir; 626 627 /** 628 * Directory to which applications installed internally have their 629 * 32 bit native libraries copied. 630 */ 631 private File mAppLib32InstallDir; 632 633 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 634 // apps. 635 final File mDrmAppPrivateInstallDir; 636 637 // ---------------------------------------------------------------- 638 639 // Lock for state used when installing and doing other long running 640 // operations. Methods that must be called with this lock held have 641 // the suffix "LI". 642 final Object mInstallLock = new Object(); 643 644 // ---------------------------------------------------------------- 645 646 // Keys are String (package name), values are Package. This also serves 647 // as the lock for the global state. Methods that must be called with 648 // this lock held have the prefix "LP". 649 @GuardedBy("mPackages") 650 final ArrayMap<String, PackageParser.Package> mPackages = 651 new ArrayMap<String, PackageParser.Package>(); 652 653 final ArrayMap<String, Set<String>> mKnownCodebase = 654 new ArrayMap<String, Set<String>>(); 655 656 // Keys are isolated uids and values are the uid of the application 657 // that created the isolated proccess. 658 @GuardedBy("mPackages") 659 final SparseIntArray mIsolatedOwners = new SparseIntArray(); 660 661 // List of APK paths to load for each user and package. This data is never 662 // persisted by the package manager. Instead, the overlay manager will 663 // ensure the data is up-to-date in runtime. 664 @GuardedBy("mPackages") 665 final SparseArray<ArrayMap<String, ArrayList<String>>> mEnabledOverlayPaths = 666 new SparseArray<ArrayMap<String, ArrayList<String>>>(); 667 668 /** 669 * Tracks new system packages [received in an OTA] that we expect to 670 * find updated user-installed versions. Keys are package name, values 671 * are package location. 672 */ 673 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 674 /** 675 * Tracks high priority intent filters for protected actions. During boot, certain 676 * filter actions are protected and should never be allowed to have a high priority 677 * intent filter for them. However, there is one, and only one exception -- the 678 * setup wizard. It must be able to define a high priority intent filter for these 679 * actions to ensure there are no escapes from the wizard. We need to delay processing 680 * of these during boot as we need to look at all of the system packages in order 681 * to know which component is the setup wizard. 682 */ 683 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 684 /** 685 * Whether or not processing protected filters should be deferred. 686 */ 687 private boolean mDeferProtectedFilters = true; 688 689 /** 690 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 691 */ 692 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 693 /** 694 * Whether or not system app permissions should be promoted from install to runtime. 695 */ 696 boolean mPromoteSystemApps; 697 698 @GuardedBy("mPackages") 699 final Settings mSettings; 700 701 /** 702 * Set of package names that are currently "frozen", which means active 703 * surgery is being done on the code/data for that package. The platform 704 * will refuse to launch frozen packages to avoid race conditions. 705 * 706 * @see PackageFreezer 707 */ 708 @GuardedBy("mPackages") 709 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 710 711 final ProtectedPackages mProtectedPackages; 712 713 boolean mFirstBoot; 714 715 PackageManagerInternal.ExternalSourcesPolicy mExternalSourcesPolicy; 716 717 // System configuration read by SystemConfig. 718 final int[] mGlobalGids; 719 final SparseArray<ArraySet<String>> mSystemPermissions; 720 @GuardedBy("mAvailableFeatures") 721 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 722 723 // If mac_permissions.xml was found for seinfo labeling. 724 boolean mFoundPolicyFile; 725 726 private final InstantAppRegistry mInstantAppRegistry; 727 728 @GuardedBy("mPackages") 729 int mChangedPackagesSequenceNumber; 730 /** 731 * List of changed [installed, removed or updated] packages. 732 * mapping from user id -> sequence number -> package name 733 */ 734 @GuardedBy("mPackages") 735 final SparseArray<SparseArray<String>> mChangedPackages = new SparseArray<>(); 736 /** 737 * The sequence number of the last change to a package. 738 * mapping from user id -> package name -> sequence number 739 */ 740 @GuardedBy("mPackages") 741 final SparseArray<Map<String, Integer>> mChangedPackagesSequenceNumbers = new SparseArray<>(); 742 743 final PackageParser.Callback mPackageParserCallback = new PackageParser.Callback() { 744 @Override public boolean hasFeature(String feature) { 745 return PackageManagerService.this.hasSystemFeature(feature, 0); 746 } 747 }; 748 749 public static final class SharedLibraryEntry { 750 public final String path; 751 public final String apk; 752 public final SharedLibraryInfo info; 753 754 SharedLibraryEntry(String _path, String _apk, String name, int version, int type, 755 String declaringPackageName, int declaringPackageVersionCode) { 756 path = _path; 757 apk = _apk; 758 info = new SharedLibraryInfo(name, version, type, new VersionedPackage( 759 declaringPackageName, declaringPackageVersionCode), null); 760 } 761 } 762 763 // Currently known shared libraries. 764 final ArrayMap<String, SparseArray<SharedLibraryEntry>> mSharedLibraries = new ArrayMap<>(); 765 final ArrayMap<String, SparseArray<SharedLibraryEntry>> mStaticLibsByDeclaringPackage = 766 new ArrayMap<>(); 767 768 // All available activities, for your resolving pleasure. 769 final ActivityIntentResolver mActivities = 770 new ActivityIntentResolver(); 771 772 // All available receivers, for your resolving pleasure. 773 final ActivityIntentResolver mReceivers = 774 new ActivityIntentResolver(); 775 776 // All available services, for your resolving pleasure. 777 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 778 779 // All available providers, for your resolving pleasure. 780 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 781 782 // Mapping from provider base names (first directory in content URI codePath) 783 // to the provider information. 784 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 785 new ArrayMap<String, PackageParser.Provider>(); 786 787 // Mapping from instrumentation class names to info about them. 788 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 789 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 790 791 // Mapping from permission names to info about them. 792 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 793 new ArrayMap<String, PackageParser.PermissionGroup>(); 794 795 // Packages whose data we have transfered into another package, thus 796 // should no longer exist. 797 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 798 799 // Broadcast actions that are only available to the system. 800 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 801 802 /** List of packages waiting for verification. */ 803 final SparseArray<PackageVerificationState> mPendingVerification 804 = new SparseArray<PackageVerificationState>(); 805 806 /** Set of packages associated with each app op permission. */ 807 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 808 809 final PackageInstallerService mInstallerService; 810 811 private final PackageDexOptimizer mPackageDexOptimizer; 812 // DexManager handles the usage of dex files (e.g. secondary files, whether or not a package 813 // is used by other apps). 814 private final DexManager mDexManager; 815 816 private AtomicInteger mNextMoveId = new AtomicInteger(); 817 private final MoveCallbacks mMoveCallbacks; 818 819 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 820 821 // Cache of users who need badging. 822 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 823 824 /** Token for keys in mPendingVerification. */ 825 private int mPendingVerificationToken = 0; 826 827 volatile boolean mSystemReady; 828 volatile boolean mSafeMode; 829 volatile boolean mHasSystemUidErrors; 830 private volatile boolean mEphemeralAppsDisabled; 831 832 ApplicationInfo mAndroidApplication; 833 final ActivityInfo mResolveActivity = new ActivityInfo(); 834 final ResolveInfo mResolveInfo = new ResolveInfo(); 835 ComponentName mResolveComponentName; 836 PackageParser.Package mPlatformPackage; 837 ComponentName mCustomResolverComponentName; 838 839 boolean mResolverReplaced = false; 840 841 private final @Nullable ComponentName mIntentFilterVerifierComponent; 842 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 843 844 private int mIntentFilterVerificationToken = 0; 845 846 /** The service connection to the ephemeral resolver */ 847 final EphemeralResolverConnection mInstantAppResolverConnection; 848 /** Component used to show resolver settings for Instant Apps */ 849 final ComponentName mInstantAppResolverSettingsComponent; 850 851 /** Activity used to install instant applications */ 852 ActivityInfo mInstantAppInstallerActivity; 853 final ResolveInfo mInstantAppInstallerInfo = new ResolveInfo(); 854 855 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 856 = new SparseArray<IntentFilterVerificationState>(); 857 858 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy; 859 860 // List of packages names to keep cached, even if they are uninstalled for all users 861 private List<String> mKeepUninstalledPackages; 862 863 private UserManagerInternal mUserManagerInternal; 864 865 private DeviceIdleController.LocalService mDeviceIdleController; 866 867 private File mCacheDir; 868 869 private ArraySet<String> mPrivappPermissionsViolations; 870 871 private Future<?> mPrepareAppDataFuture; 872 873 private static class IFVerificationParams { 874 PackageParser.Package pkg; 875 boolean replacing; 876 int userId; 877 int verifierUid; 878 879 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 880 int _userId, int _verifierUid) { 881 pkg = _pkg; 882 replacing = _replacing; 883 userId = _userId; 884 replacing = _replacing; 885 verifierUid = _verifierUid; 886 } 887 } 888 889 private interface IntentFilterVerifier<T extends IntentFilter> { 890 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 891 T filter, String packageName); 892 void startVerifications(int userId); 893 void receiveVerificationResponse(int verificationId); 894 } 895 896 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 897 private Context mContext; 898 private ComponentName mIntentFilterVerifierComponent; 899 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 900 901 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 902 mContext = context; 903 mIntentFilterVerifierComponent = verifierComponent; 904 } 905 906 private String getDefaultScheme() { 907 return IntentFilter.SCHEME_HTTPS; 908 } 909 910 @Override 911 public void startVerifications(int userId) { 912 // Launch verifications requests 913 int count = mCurrentIntentFilterVerifications.size(); 914 for (int n=0; n<count; n++) { 915 int verificationId = mCurrentIntentFilterVerifications.get(n); 916 final IntentFilterVerificationState ivs = 917 mIntentFilterVerificationStates.get(verificationId); 918 919 String packageName = ivs.getPackageName(); 920 921 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 922 final int filterCount = filters.size(); 923 ArraySet<String> domainsSet = new ArraySet<>(); 924 for (int m=0; m<filterCount; m++) { 925 PackageParser.ActivityIntentInfo filter = filters.get(m); 926 domainsSet.addAll(filter.getHostsList()); 927 } 928 synchronized (mPackages) { 929 if (mSettings.createIntentFilterVerificationIfNeededLPw( 930 packageName, domainsSet) != null) { 931 scheduleWriteSettingsLocked(); 932 } 933 } 934 sendVerificationRequest(userId, verificationId, ivs); 935 } 936 mCurrentIntentFilterVerifications.clear(); 937 } 938 939 private void sendVerificationRequest(int userId, int verificationId, 940 IntentFilterVerificationState ivs) { 941 942 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 943 verificationIntent.putExtra( 944 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 945 verificationId); 946 verificationIntent.putExtra( 947 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 948 getDefaultScheme()); 949 verificationIntent.putExtra( 950 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 951 ivs.getHostsString()); 952 verificationIntent.putExtra( 953 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 954 ivs.getPackageName()); 955 verificationIntent.setComponent(mIntentFilterVerifierComponent); 956 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 957 958 UserHandle user = new UserHandle(userId); 959 mContext.sendBroadcastAsUser(verificationIntent, user); 960 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 961 "Sending IntentFilter verification broadcast"); 962 } 963 964 public void receiveVerificationResponse(int verificationId) { 965 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 966 967 final boolean verified = ivs.isVerified(); 968 969 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 970 final int count = filters.size(); 971 if (DEBUG_DOMAIN_VERIFICATION) { 972 Slog.i(TAG, "Received verification response " + verificationId 973 + " for " + count + " filters, verified=" + verified); 974 } 975 for (int n=0; n<count; n++) { 976 PackageParser.ActivityIntentInfo filter = filters.get(n); 977 filter.setVerified(verified); 978 979 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 980 + " verified with result:" + verified + " and hosts:" 981 + ivs.getHostsString()); 982 } 983 984 mIntentFilterVerificationStates.remove(verificationId); 985 986 final String packageName = ivs.getPackageName(); 987 IntentFilterVerificationInfo ivi = null; 988 989 synchronized (mPackages) { 990 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 991 } 992 if (ivi == null) { 993 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 994 + verificationId + " packageName:" + packageName); 995 return; 996 } 997 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 998 "Updating IntentFilterVerificationInfo for package " + packageName 999 +" verificationId:" + verificationId); 1000 1001 synchronized (mPackages) { 1002 if (verified) { 1003 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 1004 } else { 1005 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 1006 } 1007 scheduleWriteSettingsLocked(); 1008 1009 final int userId = ivs.getUserId(); 1010 if (userId != UserHandle.USER_ALL) { 1011 final int userStatus = 1012 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 1013 1014 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 1015 boolean needUpdate = false; 1016 1017 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 1018 // already been set by the User thru the Disambiguation dialog 1019 switch (userStatus) { 1020 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 1021 if (verified) { 1022 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 1023 } else { 1024 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 1025 } 1026 needUpdate = true; 1027 break; 1028 1029 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 1030 if (verified) { 1031 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 1032 needUpdate = true; 1033 } 1034 break; 1035 1036 default: 1037 // Nothing to do 1038 } 1039 1040 if (needUpdate) { 1041 mSettings.updateIntentFilterVerificationStatusLPw( 1042 packageName, updatedStatus, userId); 1043 scheduleWritePackageRestrictionsLocked(userId); 1044 } 1045 } 1046 } 1047 } 1048 1049 @Override 1050 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 1051 ActivityIntentInfo filter, String packageName) { 1052 if (!hasValidDomains(filter)) { 1053 return false; 1054 } 1055 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 1056 if (ivs == null) { 1057 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 1058 packageName); 1059 } 1060 if (DEBUG_DOMAIN_VERIFICATION) { 1061 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 1062 } 1063 ivs.addFilter(filter); 1064 return true; 1065 } 1066 1067 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 1068 int userId, int verificationId, String packageName) { 1069 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 1070 verifierUid, userId, packageName); 1071 ivs.setPendingState(); 1072 synchronized (mPackages) { 1073 mIntentFilterVerificationStates.append(verificationId, ivs); 1074 mCurrentIntentFilterVerifications.add(verificationId); 1075 } 1076 return ivs; 1077 } 1078 } 1079 1080 private static boolean hasValidDomains(ActivityIntentInfo filter) { 1081 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 1082 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 1083 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 1084 } 1085 1086 // Set of pending broadcasts for aggregating enable/disable of components. 1087 static class PendingPackageBroadcasts { 1088 // for each user id, a map of <package name -> components within that package> 1089 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 1090 1091 public PendingPackageBroadcasts() { 1092 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 1093 } 1094 1095 public ArrayList<String> get(int userId, String packageName) { 1096 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1097 return packages.get(packageName); 1098 } 1099 1100 public void put(int userId, String packageName, ArrayList<String> components) { 1101 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1102 packages.put(packageName, components); 1103 } 1104 1105 public void remove(int userId, String packageName) { 1106 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 1107 if (packages != null) { 1108 packages.remove(packageName); 1109 } 1110 } 1111 1112 public void remove(int userId) { 1113 mUidMap.remove(userId); 1114 } 1115 1116 public int userIdCount() { 1117 return mUidMap.size(); 1118 } 1119 1120 public int userIdAt(int n) { 1121 return mUidMap.keyAt(n); 1122 } 1123 1124 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1125 return mUidMap.get(userId); 1126 } 1127 1128 public int size() { 1129 // total number of pending broadcast entries across all userIds 1130 int num = 0; 1131 for (int i = 0; i< mUidMap.size(); i++) { 1132 num += mUidMap.valueAt(i).size(); 1133 } 1134 return num; 1135 } 1136 1137 public void clear() { 1138 mUidMap.clear(); 1139 } 1140 1141 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1142 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1143 if (map == null) { 1144 map = new ArrayMap<String, ArrayList<String>>(); 1145 mUidMap.put(userId, map); 1146 } 1147 return map; 1148 } 1149 } 1150 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1151 1152 // Service Connection to remote media container service to copy 1153 // package uri's from external media onto secure containers 1154 // or internal storage. 1155 private IMediaContainerService mContainerService = null; 1156 1157 static final int SEND_PENDING_BROADCAST = 1; 1158 static final int MCS_BOUND = 3; 1159 static final int END_COPY = 4; 1160 static final int INIT_COPY = 5; 1161 static final int MCS_UNBIND = 6; 1162 static final int START_CLEANING_PACKAGE = 7; 1163 static final int FIND_INSTALL_LOC = 8; 1164 static final int POST_INSTALL = 9; 1165 static final int MCS_RECONNECT = 10; 1166 static final int MCS_GIVE_UP = 11; 1167 static final int UPDATED_MEDIA_STATUS = 12; 1168 static final int WRITE_SETTINGS = 13; 1169 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1170 static final int PACKAGE_VERIFIED = 15; 1171 static final int CHECK_PENDING_VERIFICATION = 16; 1172 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1173 static final int INTENT_FILTER_VERIFIED = 18; 1174 static final int WRITE_PACKAGE_LIST = 19; 1175 static final int INSTANT_APP_RESOLUTION_PHASE_TWO = 20; 1176 1177 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1178 1179 // Delay time in millisecs 1180 static final int BROADCAST_DELAY = 10 * 1000; 1181 1182 static UserManagerService sUserManager; 1183 1184 // Stores a list of users whose package restrictions file needs to be updated 1185 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1186 1187 final private DefaultContainerConnection mDefContainerConn = 1188 new DefaultContainerConnection(); 1189 class DefaultContainerConnection implements ServiceConnection { 1190 public void onServiceConnected(ComponentName name, IBinder service) { 1191 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1192 final IMediaContainerService imcs = IMediaContainerService.Stub 1193 .asInterface(Binder.allowBlocking(service)); 1194 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1195 } 1196 1197 public void onServiceDisconnected(ComponentName name) { 1198 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1199 } 1200 } 1201 1202 // Recordkeeping of restore-after-install operations that are currently in flight 1203 // between the Package Manager and the Backup Manager 1204 static class PostInstallData { 1205 public InstallArgs args; 1206 public PackageInstalledInfo res; 1207 1208 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1209 args = _a; 1210 res = _r; 1211 } 1212 } 1213 1214 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1215 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1216 1217 // XML tags for backup/restore of various bits of state 1218 private static final String TAG_PREFERRED_BACKUP = "pa"; 1219 private static final String TAG_DEFAULT_APPS = "da"; 1220 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1221 1222 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1223 private static final String TAG_ALL_GRANTS = "rt-grants"; 1224 private static final String TAG_GRANT = "grant"; 1225 private static final String ATTR_PACKAGE_NAME = "pkg"; 1226 1227 private static final String TAG_PERMISSION = "perm"; 1228 private static final String ATTR_PERMISSION_NAME = "name"; 1229 private static final String ATTR_IS_GRANTED = "g"; 1230 private static final String ATTR_USER_SET = "set"; 1231 private static final String ATTR_USER_FIXED = "fixed"; 1232 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1233 1234 // System/policy permission grants are not backed up 1235 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1236 FLAG_PERMISSION_POLICY_FIXED 1237 | FLAG_PERMISSION_SYSTEM_FIXED 1238 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1239 1240 // And we back up these user-adjusted states 1241 private static final int USER_RUNTIME_GRANT_MASK = 1242 FLAG_PERMISSION_USER_SET 1243 | FLAG_PERMISSION_USER_FIXED 1244 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1245 1246 final @Nullable String mRequiredVerifierPackage; 1247 final @NonNull String mRequiredInstallerPackage; 1248 final @NonNull String mRequiredUninstallerPackage; 1249 final @Nullable String mSetupWizardPackage; 1250 final @Nullable String mStorageManagerPackage; 1251 final @NonNull String mServicesSystemSharedLibraryPackageName; 1252 final @NonNull String mSharedSystemSharedLibraryPackageName; 1253 1254 final boolean mPermissionReviewRequired; 1255 1256 private final PackageUsage mPackageUsage = new PackageUsage(); 1257 private final CompilerStats mCompilerStats = new CompilerStats(); 1258 1259 class PackageHandler extends Handler { 1260 private boolean mBound = false; 1261 final ArrayList<HandlerParams> mPendingInstalls = 1262 new ArrayList<HandlerParams>(); 1263 1264 private boolean connectToService() { 1265 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1266 " DefaultContainerService"); 1267 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1268 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1269 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1270 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1271 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1272 mBound = true; 1273 return true; 1274 } 1275 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1276 return false; 1277 } 1278 1279 private void disconnectService() { 1280 mContainerService = null; 1281 mBound = false; 1282 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1283 mContext.unbindService(mDefContainerConn); 1284 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1285 } 1286 1287 PackageHandler(Looper looper) { 1288 super(looper); 1289 } 1290 1291 public void handleMessage(Message msg) { 1292 try { 1293 doHandleMessage(msg); 1294 } finally { 1295 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1296 } 1297 } 1298 1299 void doHandleMessage(Message msg) { 1300 switch (msg.what) { 1301 case INIT_COPY: { 1302 HandlerParams params = (HandlerParams) msg.obj; 1303 int idx = mPendingInstalls.size(); 1304 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1305 // If a bind was already initiated we dont really 1306 // need to do anything. The pending install 1307 // will be processed later on. 1308 if (!mBound) { 1309 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1310 System.identityHashCode(mHandler)); 1311 // If this is the only one pending we might 1312 // have to bind to the service again. 1313 if (!connectToService()) { 1314 Slog.e(TAG, "Failed to bind to media container service"); 1315 params.serviceError(); 1316 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1317 System.identityHashCode(mHandler)); 1318 if (params.traceMethod != null) { 1319 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1320 params.traceCookie); 1321 } 1322 return; 1323 } else { 1324 // Once we bind to the service, the first 1325 // pending request will be processed. 1326 mPendingInstalls.add(idx, params); 1327 } 1328 } else { 1329 mPendingInstalls.add(idx, params); 1330 // Already bound to the service. Just make 1331 // sure we trigger off processing the first request. 1332 if (idx == 0) { 1333 mHandler.sendEmptyMessage(MCS_BOUND); 1334 } 1335 } 1336 break; 1337 } 1338 case MCS_BOUND: { 1339 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1340 if (msg.obj != null) { 1341 mContainerService = (IMediaContainerService) msg.obj; 1342 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1343 System.identityHashCode(mHandler)); 1344 } 1345 if (mContainerService == null) { 1346 if (!mBound) { 1347 // Something seriously wrong since we are not bound and we are not 1348 // waiting for connection. Bail out. 1349 Slog.e(TAG, "Cannot bind to media container service"); 1350 for (HandlerParams params : mPendingInstalls) { 1351 // Indicate service bind error 1352 params.serviceError(); 1353 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1354 System.identityHashCode(params)); 1355 if (params.traceMethod != null) { 1356 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1357 params.traceMethod, params.traceCookie); 1358 } 1359 return; 1360 } 1361 mPendingInstalls.clear(); 1362 } else { 1363 Slog.w(TAG, "Waiting to connect to media container service"); 1364 } 1365 } else if (mPendingInstalls.size() > 0) { 1366 HandlerParams params = mPendingInstalls.get(0); 1367 if (params != null) { 1368 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1369 System.identityHashCode(params)); 1370 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1371 if (params.startCopy()) { 1372 // We are done... look for more work or to 1373 // go idle. 1374 if (DEBUG_SD_INSTALL) Log.i(TAG, 1375 "Checking for more work or unbind..."); 1376 // Delete pending install 1377 if (mPendingInstalls.size() > 0) { 1378 mPendingInstalls.remove(0); 1379 } 1380 if (mPendingInstalls.size() == 0) { 1381 if (mBound) { 1382 if (DEBUG_SD_INSTALL) Log.i(TAG, 1383 "Posting delayed MCS_UNBIND"); 1384 removeMessages(MCS_UNBIND); 1385 Message ubmsg = obtainMessage(MCS_UNBIND); 1386 // Unbind after a little delay, to avoid 1387 // continual thrashing. 1388 sendMessageDelayed(ubmsg, 10000); 1389 } 1390 } else { 1391 // There are more pending requests in queue. 1392 // Just post MCS_BOUND message to trigger processing 1393 // of next pending install. 1394 if (DEBUG_SD_INSTALL) Log.i(TAG, 1395 "Posting MCS_BOUND for next work"); 1396 mHandler.sendEmptyMessage(MCS_BOUND); 1397 } 1398 } 1399 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1400 } 1401 } else { 1402 // Should never happen ideally. 1403 Slog.w(TAG, "Empty queue"); 1404 } 1405 break; 1406 } 1407 case MCS_RECONNECT: { 1408 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1409 if (mPendingInstalls.size() > 0) { 1410 if (mBound) { 1411 disconnectService(); 1412 } 1413 if (!connectToService()) { 1414 Slog.e(TAG, "Failed to bind to media container service"); 1415 for (HandlerParams params : mPendingInstalls) { 1416 // Indicate service bind error 1417 params.serviceError(); 1418 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1419 System.identityHashCode(params)); 1420 } 1421 mPendingInstalls.clear(); 1422 } 1423 } 1424 break; 1425 } 1426 case MCS_UNBIND: { 1427 // If there is no actual work left, then time to unbind. 1428 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1429 1430 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1431 if (mBound) { 1432 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1433 1434 disconnectService(); 1435 } 1436 } else if (mPendingInstalls.size() > 0) { 1437 // There are more pending requests in queue. 1438 // Just post MCS_BOUND message to trigger processing 1439 // of next pending install. 1440 mHandler.sendEmptyMessage(MCS_BOUND); 1441 } 1442 1443 break; 1444 } 1445 case MCS_GIVE_UP: { 1446 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1447 HandlerParams params = mPendingInstalls.remove(0); 1448 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1449 System.identityHashCode(params)); 1450 break; 1451 } 1452 case SEND_PENDING_BROADCAST: { 1453 String packages[]; 1454 ArrayList<String> components[]; 1455 int size = 0; 1456 int uids[]; 1457 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1458 synchronized (mPackages) { 1459 if (mPendingBroadcasts == null) { 1460 return; 1461 } 1462 size = mPendingBroadcasts.size(); 1463 if (size <= 0) { 1464 // Nothing to be done. Just return 1465 return; 1466 } 1467 packages = new String[size]; 1468 components = new ArrayList[size]; 1469 uids = new int[size]; 1470 int i = 0; // filling out the above arrays 1471 1472 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1473 int packageUserId = mPendingBroadcasts.userIdAt(n); 1474 Iterator<Map.Entry<String, ArrayList<String>>> it 1475 = mPendingBroadcasts.packagesForUserId(packageUserId) 1476 .entrySet().iterator(); 1477 while (it.hasNext() && i < size) { 1478 Map.Entry<String, ArrayList<String>> ent = it.next(); 1479 packages[i] = ent.getKey(); 1480 components[i] = ent.getValue(); 1481 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1482 uids[i] = (ps != null) 1483 ? UserHandle.getUid(packageUserId, ps.appId) 1484 : -1; 1485 i++; 1486 } 1487 } 1488 size = i; 1489 mPendingBroadcasts.clear(); 1490 } 1491 // Send broadcasts 1492 for (int i = 0; i < size; i++) { 1493 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1494 } 1495 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1496 break; 1497 } 1498 case START_CLEANING_PACKAGE: { 1499 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1500 final String packageName = (String)msg.obj; 1501 final int userId = msg.arg1; 1502 final boolean andCode = msg.arg2 != 0; 1503 synchronized (mPackages) { 1504 if (userId == UserHandle.USER_ALL) { 1505 int[] users = sUserManager.getUserIds(); 1506 for (int user : users) { 1507 mSettings.addPackageToCleanLPw( 1508 new PackageCleanItem(user, packageName, andCode)); 1509 } 1510 } else { 1511 mSettings.addPackageToCleanLPw( 1512 new PackageCleanItem(userId, packageName, andCode)); 1513 } 1514 } 1515 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1516 startCleaningPackages(); 1517 } break; 1518 case POST_INSTALL: { 1519 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1520 1521 PostInstallData data = mRunningInstalls.get(msg.arg1); 1522 final boolean didRestore = (msg.arg2 != 0); 1523 mRunningInstalls.delete(msg.arg1); 1524 1525 if (data != null) { 1526 InstallArgs args = data.args; 1527 PackageInstalledInfo parentRes = data.res; 1528 1529 final boolean grantPermissions = (args.installFlags 1530 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1531 final boolean killApp = (args.installFlags 1532 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1533 final String[] grantedPermissions = args.installGrantPermissions; 1534 1535 // Handle the parent package 1536 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1537 grantedPermissions, didRestore, args.installerPackageName, 1538 args.observer); 1539 1540 // Handle the child packages 1541 final int childCount = (parentRes.addedChildPackages != null) 1542 ? parentRes.addedChildPackages.size() : 0; 1543 for (int i = 0; i < childCount; i++) { 1544 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1545 handlePackagePostInstall(childRes, grantPermissions, killApp, 1546 grantedPermissions, false, args.installerPackageName, 1547 args.observer); 1548 } 1549 1550 // Log tracing if needed 1551 if (args.traceMethod != null) { 1552 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1553 args.traceCookie); 1554 } 1555 } else { 1556 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1557 } 1558 1559 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1560 } break; 1561 case UPDATED_MEDIA_STATUS: { 1562 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1563 boolean reportStatus = msg.arg1 == 1; 1564 boolean doGc = msg.arg2 == 1; 1565 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1566 if (doGc) { 1567 // Force a gc to clear up stale containers. 1568 Runtime.getRuntime().gc(); 1569 } 1570 if (msg.obj != null) { 1571 @SuppressWarnings("unchecked") 1572 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1573 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1574 // Unload containers 1575 unloadAllContainers(args); 1576 } 1577 if (reportStatus) { 1578 try { 1579 if (DEBUG_SD_INSTALL) Log.i(TAG, 1580 "Invoking StorageManagerService call back"); 1581 PackageHelper.getStorageManager().finishMediaUpdate(); 1582 } catch (RemoteException e) { 1583 Log.e(TAG, "StorageManagerService not running?"); 1584 } 1585 } 1586 } break; 1587 case WRITE_SETTINGS: { 1588 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1589 synchronized (mPackages) { 1590 removeMessages(WRITE_SETTINGS); 1591 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1592 mSettings.writeLPr(); 1593 mDirtyUsers.clear(); 1594 } 1595 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1596 } break; 1597 case WRITE_PACKAGE_RESTRICTIONS: { 1598 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1599 synchronized (mPackages) { 1600 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1601 for (int userId : mDirtyUsers) { 1602 mSettings.writePackageRestrictionsLPr(userId); 1603 } 1604 mDirtyUsers.clear(); 1605 } 1606 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1607 } break; 1608 case WRITE_PACKAGE_LIST: { 1609 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1610 synchronized (mPackages) { 1611 removeMessages(WRITE_PACKAGE_LIST); 1612 mSettings.writePackageListLPr(msg.arg1); 1613 } 1614 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1615 } break; 1616 case CHECK_PENDING_VERIFICATION: { 1617 final int verificationId = msg.arg1; 1618 final PackageVerificationState state = mPendingVerification.get(verificationId); 1619 1620 if ((state != null) && !state.timeoutExtended()) { 1621 final InstallArgs args = state.getInstallArgs(); 1622 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1623 1624 Slog.i(TAG, "Verification timed out for " + originUri); 1625 mPendingVerification.remove(verificationId); 1626 1627 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1628 1629 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1630 Slog.i(TAG, "Continuing with installation of " + originUri); 1631 state.setVerifierResponse(Binder.getCallingUid(), 1632 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1633 broadcastPackageVerified(verificationId, originUri, 1634 PackageManager.VERIFICATION_ALLOW, 1635 state.getInstallArgs().getUser()); 1636 try { 1637 ret = args.copyApk(mContainerService, true); 1638 } catch (RemoteException e) { 1639 Slog.e(TAG, "Could not contact the ContainerService"); 1640 } 1641 } else { 1642 broadcastPackageVerified(verificationId, originUri, 1643 PackageManager.VERIFICATION_REJECT, 1644 state.getInstallArgs().getUser()); 1645 } 1646 1647 Trace.asyncTraceEnd( 1648 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1649 1650 processPendingInstall(args, ret); 1651 mHandler.sendEmptyMessage(MCS_UNBIND); 1652 } 1653 break; 1654 } 1655 case PACKAGE_VERIFIED: { 1656 final int verificationId = msg.arg1; 1657 1658 final PackageVerificationState state = mPendingVerification.get(verificationId); 1659 if (state == null) { 1660 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1661 break; 1662 } 1663 1664 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1665 1666 state.setVerifierResponse(response.callerUid, response.code); 1667 1668 if (state.isVerificationComplete()) { 1669 mPendingVerification.remove(verificationId); 1670 1671 final InstallArgs args = state.getInstallArgs(); 1672 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1673 1674 int ret; 1675 if (state.isInstallAllowed()) { 1676 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1677 broadcastPackageVerified(verificationId, originUri, 1678 response.code, state.getInstallArgs().getUser()); 1679 try { 1680 ret = args.copyApk(mContainerService, true); 1681 } catch (RemoteException e) { 1682 Slog.e(TAG, "Could not contact the ContainerService"); 1683 } 1684 } else { 1685 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1686 } 1687 1688 Trace.asyncTraceEnd( 1689 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1690 1691 processPendingInstall(args, ret); 1692 mHandler.sendEmptyMessage(MCS_UNBIND); 1693 } 1694 1695 break; 1696 } 1697 case START_INTENT_FILTER_VERIFICATIONS: { 1698 IFVerificationParams params = (IFVerificationParams) msg.obj; 1699 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1700 params.replacing, params.pkg); 1701 break; 1702 } 1703 case INTENT_FILTER_VERIFIED: { 1704 final int verificationId = msg.arg1; 1705 1706 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1707 verificationId); 1708 if (state == null) { 1709 Slog.w(TAG, "Invalid IntentFilter verification token " 1710 + verificationId + " received"); 1711 break; 1712 } 1713 1714 final int userId = state.getUserId(); 1715 1716 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1717 "Processing IntentFilter verification with token:" 1718 + verificationId + " and userId:" + userId); 1719 1720 final IntentFilterVerificationResponse response = 1721 (IntentFilterVerificationResponse) msg.obj; 1722 1723 state.setVerifierResponse(response.callerUid, response.code); 1724 1725 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1726 "IntentFilter verification with token:" + verificationId 1727 + " and userId:" + userId 1728 + " is settings verifier response with response code:" 1729 + response.code); 1730 1731 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1732 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1733 + response.getFailedDomainsString()); 1734 } 1735 1736 if (state.isVerificationComplete()) { 1737 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1738 } else { 1739 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1740 "IntentFilter verification with token:" + verificationId 1741 + " was not said to be complete"); 1742 } 1743 1744 break; 1745 } 1746 case INSTANT_APP_RESOLUTION_PHASE_TWO: { 1747 InstantAppResolver.doInstantAppResolutionPhaseTwo(mContext, 1748 mInstantAppResolverConnection, 1749 (InstantAppRequest) msg.obj, 1750 mInstantAppInstallerActivity, 1751 mHandler); 1752 } 1753 } 1754 } 1755 } 1756 1757 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1758 boolean killApp, String[] grantedPermissions, 1759 boolean launchedForRestore, String installerPackage, 1760 IPackageInstallObserver2 installObserver) { 1761 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1762 // Send the removed broadcasts 1763 if (res.removedInfo != null) { 1764 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1765 } 1766 1767 // Now that we successfully installed the package, grant runtime 1768 // permissions if requested before broadcasting the install. Also 1769 // for legacy apps in permission review mode we clear the permission 1770 // review flag which is used to emulate runtime permissions for 1771 // legacy apps. 1772 if (grantPermissions) { 1773 grantRequestedRuntimePermissions(res.pkg, res.newUsers, grantedPermissions); 1774 } 1775 1776 final boolean update = res.removedInfo != null 1777 && res.removedInfo.removedPackage != null; 1778 1779 // If this is the first time we have child packages for a disabled privileged 1780 // app that had no children, we grant requested runtime permissions to the new 1781 // children if the parent on the system image had them already granted. 1782 if (res.pkg.parentPackage != null) { 1783 synchronized (mPackages) { 1784 grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw(res.pkg); 1785 } 1786 } 1787 1788 synchronized (mPackages) { 1789 mInstantAppRegistry.onPackageInstalledLPw(res.pkg, res.newUsers); 1790 } 1791 1792 final String packageName = res.pkg.applicationInfo.packageName; 1793 1794 // Determine the set of users who are adding this package for 1795 // the first time vs. those who are seeing an update. 1796 int[] firstUsers = EMPTY_INT_ARRAY; 1797 int[] updateUsers = EMPTY_INT_ARRAY; 1798 final boolean allNewUsers = res.origUsers == null || res.origUsers.length == 0; 1799 final PackageSetting ps = (PackageSetting) res.pkg.mExtras; 1800 for (int newUser : res.newUsers) { 1801 if (ps.getInstantApp(newUser)) { 1802 continue; 1803 } 1804 if (allNewUsers) { 1805 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1806 continue; 1807 } 1808 boolean isNew = true; 1809 for (int origUser : res.origUsers) { 1810 if (origUser == newUser) { 1811 isNew = false; 1812 break; 1813 } 1814 } 1815 if (isNew) { 1816 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1817 } else { 1818 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1819 } 1820 } 1821 1822 // Send installed broadcasts if the package is not a static shared lib. 1823 if (res.pkg.staticSharedLibName == null) { 1824 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1825 1826 // Send added for users that see the package for the first time 1827 // sendPackageAddedForNewUsers also deals with system apps 1828 int appId = UserHandle.getAppId(res.uid); 1829 boolean isSystem = res.pkg.applicationInfo.isSystemApp(); 1830 sendPackageAddedForNewUsers(packageName, isSystem, appId, firstUsers); 1831 1832 // Send added for users that don't see the package for the first time 1833 Bundle extras = new Bundle(1); 1834 extras.putInt(Intent.EXTRA_UID, res.uid); 1835 if (update) { 1836 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1837 } else { 1838 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_ADDED, packageName, 1839 extras, Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND, 1840 null /*targetPackage*/, null /*finishedReceiver*/, updateUsers); 1841 } 1842 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1843 extras, 0 /*flags*/, null /*targetPackage*/, 1844 null /*finishedReceiver*/, updateUsers); 1845 1846 // Send replaced for users that don't see the package for the first time 1847 if (update) { 1848 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1849 packageName, extras, 0 /*flags*/, 1850 null /*targetPackage*/, null /*finishedReceiver*/, 1851 updateUsers); 1852 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1853 null /*package*/, null /*extras*/, 0 /*flags*/, 1854 packageName /*targetPackage*/, 1855 null /*finishedReceiver*/, updateUsers); 1856 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 1857 // First-install and we did a restore, so we're responsible for the 1858 // first-launch broadcast. 1859 if (DEBUG_BACKUP) { 1860 Slog.i(TAG, "Post-restore of " + packageName 1861 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 1862 } 1863 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 1864 } 1865 1866 // Send broadcast package appeared if forward locked/external for all users 1867 // treat asec-hosted packages like removable media on upgrade 1868 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1869 if (DEBUG_INSTALL) { 1870 Slog.i(TAG, "upgrading pkg " + res.pkg 1871 + " is ASEC-hosted -> AVAILABLE"); 1872 } 1873 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 1874 ArrayList<String> pkgList = new ArrayList<>(1); 1875 pkgList.add(packageName); 1876 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 1877 } 1878 } 1879 1880 // Work that needs to happen on first install within each user 1881 if (firstUsers != null && firstUsers.length > 0) { 1882 synchronized (mPackages) { 1883 for (int userId : firstUsers) { 1884 // If this app is a browser and it's newly-installed for some 1885 // users, clear any default-browser state in those users. The 1886 // app's nature doesn't depend on the user, so we can just check 1887 // its browser nature in any user and generalize. 1888 if (packageIsBrowser(packageName, userId)) { 1889 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1890 } 1891 1892 // We may also need to apply pending (restored) runtime 1893 // permission grants within these users. 1894 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 1895 } 1896 } 1897 } 1898 1899 // Log current value of "unknown sources" setting 1900 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1901 getUnknownSourcesSettings()); 1902 1903 // Force a gc to clear up things 1904 Runtime.getRuntime().gc(); 1905 1906 // Remove the replaced package's older resources safely now 1907 // We delete after a gc for applications on sdcard. 1908 if (res.removedInfo != null && res.removedInfo.args != null) { 1909 synchronized (mInstallLock) { 1910 res.removedInfo.args.doPostDeleteLI(true); 1911 } 1912 } 1913 1914 // Notify DexManager that the package was installed for new users. 1915 // The updated users should already be indexed and the package code paths 1916 // should not change. 1917 // Don't notify the manager for ephemeral apps as they are not expected to 1918 // survive long enough to benefit of background optimizations. 1919 for (int userId : firstUsers) { 1920 PackageInfo info = getPackageInfo(packageName, /*flags*/ 0, userId); 1921 // There's a race currently where some install events may interleave with an uninstall. 1922 // This can lead to package info being null (b/36642664). 1923 if (info != null) { 1924 mDexManager.notifyPackageInstalled(info, userId); 1925 } 1926 } 1927 } 1928 1929 // If someone is watching installs - notify them 1930 if (installObserver != null) { 1931 try { 1932 Bundle extras = extrasForInstallResult(res); 1933 installObserver.onPackageInstalled(res.name, res.returnCode, 1934 res.returnMsg, extras); 1935 } catch (RemoteException e) { 1936 Slog.i(TAG, "Observer no longer exists."); 1937 } 1938 } 1939 } 1940 1941 private void grantRuntimePermissionsGrantedToDisabledPrivSysPackageParentLPw( 1942 PackageParser.Package pkg) { 1943 if (pkg.parentPackage == null) { 1944 return; 1945 } 1946 if (pkg.requestedPermissions == null) { 1947 return; 1948 } 1949 final PackageSetting disabledSysParentPs = mSettings 1950 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 1951 if (disabledSysParentPs == null || disabledSysParentPs.pkg == null 1952 || !disabledSysParentPs.isPrivileged() 1953 || (disabledSysParentPs.childPackageNames != null 1954 && !disabledSysParentPs.childPackageNames.isEmpty())) { 1955 return; 1956 } 1957 final int[] allUserIds = sUserManager.getUserIds(); 1958 final int permCount = pkg.requestedPermissions.size(); 1959 for (int i = 0; i < permCount; i++) { 1960 String permission = pkg.requestedPermissions.get(i); 1961 BasePermission bp = mSettings.mPermissions.get(permission); 1962 if (bp == null || !(bp.isRuntime() || bp.isDevelopment())) { 1963 continue; 1964 } 1965 for (int userId : allUserIds) { 1966 if (disabledSysParentPs.getPermissionsState().hasRuntimePermission( 1967 permission, userId)) { 1968 grantRuntimePermission(pkg.packageName, permission, userId); 1969 } 1970 } 1971 } 1972 } 1973 1974 private StorageEventListener mStorageListener = new StorageEventListener() { 1975 @Override 1976 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1977 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1978 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1979 final String volumeUuid = vol.getFsUuid(); 1980 1981 // Clean up any users or apps that were removed or recreated 1982 // while this volume was missing 1983 sUserManager.reconcileUsers(volumeUuid); 1984 reconcileApps(volumeUuid); 1985 1986 // Clean up any install sessions that expired or were 1987 // cancelled while this volume was missing 1988 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1989 1990 loadPrivatePackages(vol); 1991 1992 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1993 unloadPrivatePackages(vol); 1994 } 1995 } 1996 1997 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1998 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1999 updateExternalMediaStatus(true, false); 2000 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2001 updateExternalMediaStatus(false, false); 2002 } 2003 } 2004 } 2005 2006 @Override 2007 public void onVolumeForgotten(String fsUuid) { 2008 if (TextUtils.isEmpty(fsUuid)) { 2009 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 2010 return; 2011 } 2012 2013 // Remove any apps installed on the forgotten volume 2014 synchronized (mPackages) { 2015 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 2016 for (PackageSetting ps : packages) { 2017 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 2018 deletePackageVersioned(new VersionedPackage(ps.name, 2019 PackageManager.VERSION_CODE_HIGHEST), 2020 new LegacyPackageDeleteObserver(null).getBinder(), 2021 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 2022 // Try very hard to release any references to this package 2023 // so we don't risk the system server being killed due to 2024 // open FDs 2025 AttributeCache.instance().removePackage(ps.name); 2026 } 2027 2028 mSettings.onVolumeForgotten(fsUuid); 2029 mSettings.writeLPr(); 2030 } 2031 } 2032 }; 2033 2034 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int[] userIds, 2035 String[] grantedPermissions) { 2036 for (int userId : userIds) { 2037 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 2038 } 2039 } 2040 2041 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 2042 String[] grantedPermissions) { 2043 SettingBase sb = (SettingBase) pkg.mExtras; 2044 if (sb == null) { 2045 return; 2046 } 2047 2048 PermissionsState permissionsState = sb.getPermissionsState(); 2049 2050 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 2051 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 2052 2053 final boolean supportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 2054 >= Build.VERSION_CODES.M; 2055 2056 final boolean instantApp = isInstantApp(pkg.packageName, userId); 2057 2058 for (String permission : pkg.requestedPermissions) { 2059 final BasePermission bp; 2060 synchronized (mPackages) { 2061 bp = mSettings.mPermissions.get(permission); 2062 } 2063 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 2064 && (!instantApp || bp.isInstant()) 2065 && (supportsRuntimePermissions || !bp.isRuntimeOnly()) 2066 && (grantedPermissions == null 2067 || ArrayUtils.contains(grantedPermissions, permission))) { 2068 final int flags = permissionsState.getPermissionFlags(permission, userId); 2069 if (supportsRuntimePermissions) { 2070 // Installer cannot change immutable permissions. 2071 if ((flags & immutableFlags) == 0) { 2072 grantRuntimePermission(pkg.packageName, permission, userId); 2073 } 2074 } else if (mPermissionReviewRequired) { 2075 // In permission review mode we clear the review flag when we 2076 // are asked to install the app with all permissions granted. 2077 if ((flags & PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 2078 updatePermissionFlags(permission, pkg.packageName, 2079 PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED, 0, userId); 2080 } 2081 } 2082 } 2083 } 2084 } 2085 2086 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2087 Bundle extras = null; 2088 switch (res.returnCode) { 2089 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2090 extras = new Bundle(); 2091 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2092 res.origPermission); 2093 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2094 res.origPackage); 2095 break; 2096 } 2097 case PackageManager.INSTALL_SUCCEEDED: { 2098 extras = new Bundle(); 2099 extras.putBoolean(Intent.EXTRA_REPLACING, 2100 res.removedInfo != null && res.removedInfo.removedPackage != null); 2101 break; 2102 } 2103 } 2104 return extras; 2105 } 2106 2107 void scheduleWriteSettingsLocked() { 2108 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2109 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2110 } 2111 } 2112 2113 void scheduleWritePackageListLocked(int userId) { 2114 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 2115 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 2116 msg.arg1 = userId; 2117 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 2118 } 2119 } 2120 2121 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2122 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2123 scheduleWritePackageRestrictionsLocked(userId); 2124 } 2125 2126 void scheduleWritePackageRestrictionsLocked(int userId) { 2127 final int[] userIds = (userId == UserHandle.USER_ALL) 2128 ? sUserManager.getUserIds() : new int[]{userId}; 2129 for (int nextUserId : userIds) { 2130 if (!sUserManager.exists(nextUserId)) return; 2131 mDirtyUsers.add(nextUserId); 2132 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2133 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2134 } 2135 } 2136 } 2137 2138 public static PackageManagerService main(Context context, Installer installer, 2139 boolean factoryTest, boolean onlyCore) { 2140 // Self-check for initial settings. 2141 PackageManagerServiceCompilerMapping.checkProperties(); 2142 2143 PackageManagerService m = new PackageManagerService(context, installer, 2144 factoryTest, onlyCore); 2145 m.enableSystemUserPackages(); 2146 ServiceManager.addService("package", m); 2147 return m; 2148 } 2149 2150 private void enableSystemUserPackages() { 2151 if (!UserManager.isSplitSystemUser()) { 2152 return; 2153 } 2154 // For system user, enable apps based on the following conditions: 2155 // - app is whitelisted or belong to one of these groups: 2156 // -- system app which has no launcher icons 2157 // -- system app which has INTERACT_ACROSS_USERS permission 2158 // -- system IME app 2159 // - app is not in the blacklist 2160 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2161 Set<String> enableApps = new ArraySet<>(); 2162 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2163 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2164 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2165 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2166 enableApps.addAll(wlApps); 2167 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2168 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2169 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2170 enableApps.removeAll(blApps); 2171 Log.i(TAG, "Applications installed for system user: " + enableApps); 2172 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2173 UserHandle.SYSTEM); 2174 final int allAppsSize = allAps.size(); 2175 synchronized (mPackages) { 2176 for (int i = 0; i < allAppsSize; i++) { 2177 String pName = allAps.get(i); 2178 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2179 // Should not happen, but we shouldn't be failing if it does 2180 if (pkgSetting == null) { 2181 continue; 2182 } 2183 boolean install = enableApps.contains(pName); 2184 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2185 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2186 + " for system user"); 2187 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2188 } 2189 } 2190 scheduleWritePackageRestrictionsLocked(UserHandle.USER_SYSTEM); 2191 } 2192 } 2193 2194 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2195 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2196 Context.DISPLAY_SERVICE); 2197 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2198 } 2199 2200 /** 2201 * Requests that files preopted on a secondary system partition be copied to the data partition 2202 * if possible. Note that the actual copying of the files is accomplished by init for security 2203 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2204 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2205 */ 2206 private static void requestCopyPreoptedFiles() { 2207 final int WAIT_TIME_MS = 100; 2208 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2209 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2210 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2211 // We will wait for up to 100 seconds. 2212 final long timeStart = SystemClock.uptimeMillis(); 2213 final long timeEnd = timeStart + 100 * 1000; 2214 long timeNow = timeStart; 2215 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2216 try { 2217 Thread.sleep(WAIT_TIME_MS); 2218 } catch (InterruptedException e) { 2219 // Do nothing 2220 } 2221 timeNow = SystemClock.uptimeMillis(); 2222 if (timeNow > timeEnd) { 2223 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2224 Slog.wtf(TAG, "cppreopt did not finish!"); 2225 break; 2226 } 2227 } 2228 2229 Slog.i(TAG, "cppreopts took " + (timeNow - timeStart) + " ms"); 2230 } 2231 } 2232 2233 public PackageManagerService(Context context, Installer installer, 2234 boolean factoryTest, boolean onlyCore) { 2235 LockGuard.installLock(mPackages, LockGuard.INDEX_PACKAGES); 2236 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "create package manager"); 2237 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2238 SystemClock.uptimeMillis()); 2239 2240 if (mSdkVersion <= 0) { 2241 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2242 } 2243 2244 mContext = context; 2245 2246 mPermissionReviewRequired = context.getResources().getBoolean( 2247 R.bool.config_permissionReviewRequired); 2248 2249 mFactoryTest = factoryTest; 2250 mOnlyCore = onlyCore; 2251 mMetrics = new DisplayMetrics(); 2252 mSettings = new Settings(mPackages); 2253 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2254 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2255 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2256 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2257 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2258 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2259 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2260 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2261 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2262 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2263 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2264 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2265 2266 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2267 if (separateProcesses != null && separateProcesses.length() > 0) { 2268 if ("*".equals(separateProcesses)) { 2269 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2270 mSeparateProcesses = null; 2271 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2272 } else { 2273 mDefParseFlags = 0; 2274 mSeparateProcesses = separateProcesses.split(","); 2275 Slog.w(TAG, "Running with debug.separate_processes: " 2276 + separateProcesses); 2277 } 2278 } else { 2279 mDefParseFlags = 0; 2280 mSeparateProcesses = null; 2281 } 2282 2283 mInstaller = installer; 2284 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2285 "*dexopt*"); 2286 mDexManager = new DexManager(this, mPackageDexOptimizer, installer, mInstallLock); 2287 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2288 2289 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2290 FgThread.get().getLooper()); 2291 2292 getDefaultDisplayMetrics(context, mMetrics); 2293 2294 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "get system config"); 2295 SystemConfig systemConfig = SystemConfig.getInstance(); 2296 mGlobalGids = systemConfig.getGlobalGids(); 2297 mSystemPermissions = systemConfig.getSystemPermissions(); 2298 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2299 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2300 2301 mProtectedPackages = new ProtectedPackages(mContext); 2302 2303 synchronized (mInstallLock) { 2304 // writer 2305 synchronized (mPackages) { 2306 mHandlerThread = new ServiceThread(TAG, 2307 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2308 mHandlerThread.start(); 2309 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2310 mProcessLoggingHandler = new ProcessLoggingHandler(); 2311 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2312 2313 mDefaultPermissionPolicy = new DefaultPermissionGrantPolicy(this); 2314 mInstantAppRegistry = new InstantAppRegistry(this); 2315 2316 File dataDir = Environment.getDataDirectory(); 2317 mAppInstallDir = new File(dataDir, "app"); 2318 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2319 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 2320 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2321 sUserManager = new UserManagerService(context, this, 2322 new UserDataPreparer(mInstaller, mInstallLock, mContext, mOnlyCore), mPackages); 2323 2324 // Propagate permission configuration in to package manager. 2325 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 2326 = systemConfig.getPermissions(); 2327 for (int i=0; i<permConfig.size(); i++) { 2328 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 2329 BasePermission bp = mSettings.mPermissions.get(perm.name); 2330 if (bp == null) { 2331 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 2332 mSettings.mPermissions.put(perm.name, bp); 2333 } 2334 if (perm.gids != null) { 2335 bp.setGids(perm.gids, perm.perUser); 2336 } 2337 } 2338 2339 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2340 final int builtInLibCount = libConfig.size(); 2341 for (int i = 0; i < builtInLibCount; i++) { 2342 String name = libConfig.keyAt(i); 2343 String path = libConfig.valueAt(i); 2344 addSharedLibraryLPw(path, null, name, SharedLibraryInfo.VERSION_UNDEFINED, 2345 SharedLibraryInfo.TYPE_BUILTIN, PLATFORM_PACKAGE_NAME, 0); 2346 } 2347 2348 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2349 2350 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "read user settings"); 2351 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2352 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2353 2354 // Clean up orphaned packages for which the code path doesn't exist 2355 // and they are an update to a system app - caused by bug/32321269 2356 final int packageSettingCount = mSettings.mPackages.size(); 2357 for (int i = packageSettingCount - 1; i >= 0; i--) { 2358 PackageSetting ps = mSettings.mPackages.valueAt(i); 2359 if (!isExternal(ps) && (ps.codePath == null || !ps.codePath.exists()) 2360 && mSettings.getDisabledSystemPkgLPr(ps.name) != null) { 2361 mSettings.mPackages.removeAt(i); 2362 mSettings.enableSystemPackageLPw(ps.name); 2363 } 2364 } 2365 2366 if (mFirstBoot) { 2367 requestCopyPreoptedFiles(); 2368 } 2369 2370 String customResolverActivity = Resources.getSystem().getString( 2371 R.string.config_customResolverActivity); 2372 if (TextUtils.isEmpty(customResolverActivity)) { 2373 customResolverActivity = null; 2374 } else { 2375 mCustomResolverComponentName = ComponentName.unflattenFromString( 2376 customResolverActivity); 2377 } 2378 2379 long startTime = SystemClock.uptimeMillis(); 2380 2381 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2382 startTime); 2383 2384 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2385 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2386 2387 if (bootClassPath == null) { 2388 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2389 } 2390 2391 if (systemServerClassPath == null) { 2392 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2393 } 2394 2395 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2396 2397 final VersionInfo ver = mSettings.getInternalVersion(); 2398 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2399 if (mIsUpgrade) { 2400 logCriticalInfo(Log.INFO, 2401 "Upgrading from " + ver.fingerprint + " to " + Build.FINGERPRINT); 2402 } 2403 2404 // when upgrading from pre-M, promote system app permissions from install to runtime 2405 mPromoteSystemApps = 2406 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2407 2408 // When upgrading from pre-N, we need to handle package extraction like first boot, 2409 // as there is no profiling data available. 2410 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2411 2412 mIsPreNMR1Upgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N_MR1; 2413 2414 // save off the names of pre-existing system packages prior to scanning; we don't 2415 // want to automatically grant runtime permissions for new system apps 2416 if (mPromoteSystemApps) { 2417 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2418 while (pkgSettingIter.hasNext()) { 2419 PackageSetting ps = pkgSettingIter.next(); 2420 if (isSystemApp(ps)) { 2421 mExistingSystemPackages.add(ps.name); 2422 } 2423 } 2424 } 2425 2426 mCacheDir = preparePackageParserCache(mIsUpgrade); 2427 2428 // Set flag to monitor and not change apk file paths when 2429 // scanning install directories. 2430 int scanFlags = SCAN_BOOTING | SCAN_INITIAL; 2431 2432 if (mIsUpgrade || mFirstBoot) { 2433 scanFlags = scanFlags | SCAN_FIRST_BOOT_OR_UPGRADE; 2434 } 2435 2436 // Collect vendor overlay packages. (Do this before scanning any apps.) 2437 // For security and version matching reason, only consider 2438 // overlay packages if they reside in the right directory. 2439 scanDirTracedLI(new File(VENDOR_OVERLAY_DIR), mDefParseFlags 2440 | PackageParser.PARSE_IS_SYSTEM 2441 | PackageParser.PARSE_IS_SYSTEM_DIR 2442 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2443 2444 // Find base frameworks (resource packages without code). 2445 scanDirTracedLI(frameworkDir, mDefParseFlags 2446 | PackageParser.PARSE_IS_SYSTEM 2447 | PackageParser.PARSE_IS_SYSTEM_DIR 2448 | PackageParser.PARSE_IS_PRIVILEGED, 2449 scanFlags | SCAN_NO_DEX, 0); 2450 2451 // Collected privileged system packages. 2452 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2453 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2454 | PackageParser.PARSE_IS_SYSTEM 2455 | PackageParser.PARSE_IS_SYSTEM_DIR 2456 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2457 2458 // Collect ordinary system packages. 2459 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2460 scanDirTracedLI(systemAppDir, mDefParseFlags 2461 | PackageParser.PARSE_IS_SYSTEM 2462 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2463 2464 // Collect all vendor packages. 2465 File vendorAppDir = new File("/vendor/app"); 2466 try { 2467 vendorAppDir = vendorAppDir.getCanonicalFile(); 2468 } catch (IOException e) { 2469 // failed to look up canonical path, continue with original one 2470 } 2471 scanDirTracedLI(vendorAppDir, mDefParseFlags 2472 | PackageParser.PARSE_IS_SYSTEM 2473 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2474 2475 // Collect all OEM packages. 2476 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2477 scanDirTracedLI(oemAppDir, mDefParseFlags 2478 | PackageParser.PARSE_IS_SYSTEM 2479 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2480 2481 // Prune any system packages that no longer exist. 2482 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2483 if (!mOnlyCore) { 2484 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2485 while (psit.hasNext()) { 2486 PackageSetting ps = psit.next(); 2487 2488 /* 2489 * If this is not a system app, it can't be a 2490 * disable system app. 2491 */ 2492 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2493 continue; 2494 } 2495 2496 /* 2497 * If the package is scanned, it's not erased. 2498 */ 2499 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2500 if (scannedPkg != null) { 2501 /* 2502 * If the system app is both scanned and in the 2503 * disabled packages list, then it must have been 2504 * added via OTA. Remove it from the currently 2505 * scanned package so the previously user-installed 2506 * application can be scanned. 2507 */ 2508 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2509 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2510 + ps.name + "; removing system app. Last known codePath=" 2511 + ps.codePathString + ", installStatus=" + ps.installStatus 2512 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2513 + scannedPkg.mVersionCode); 2514 removePackageLI(scannedPkg, true); 2515 mExpectingBetter.put(ps.name, ps.codePath); 2516 } 2517 2518 continue; 2519 } 2520 2521 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2522 psit.remove(); 2523 logCriticalInfo(Log.WARN, "System package " + ps.name 2524 + " no longer exists; it's data will be wiped"); 2525 // Actual deletion of code and data will be handled by later 2526 // reconciliation step 2527 } else { 2528 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2529 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2530 possiblyDeletedUpdatedSystemApps.add(ps.name); 2531 } 2532 } 2533 } 2534 } 2535 2536 //look for any incomplete package installations 2537 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2538 for (int i = 0; i < deletePkgsList.size(); i++) { 2539 // Actual deletion of code and data will be handled by later 2540 // reconciliation step 2541 final String packageName = deletePkgsList.get(i).name; 2542 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2543 synchronized (mPackages) { 2544 mSettings.removePackageLPw(packageName); 2545 } 2546 } 2547 2548 //delete tmp files 2549 deleteTempPackageFiles(); 2550 2551 // Remove any shared userIDs that have no associated packages 2552 mSettings.pruneSharedUsersLPw(); 2553 2554 if (!mOnlyCore) { 2555 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2556 SystemClock.uptimeMillis()); 2557 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2558 2559 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2560 | PackageParser.PARSE_FORWARD_LOCK, 2561 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2562 2563 /** 2564 * Remove disable package settings for any updated system 2565 * apps that were removed via an OTA. If they're not a 2566 * previously-updated app, remove them completely. 2567 * Otherwise, just revoke their system-level permissions. 2568 */ 2569 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2570 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2571 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2572 2573 String msg; 2574 if (deletedPkg == null) { 2575 msg = "Updated system package " + deletedAppName 2576 + " no longer exists; it's data will be wiped"; 2577 // Actual deletion of code and data will be handled by later 2578 // reconciliation step 2579 } else { 2580 msg = "Updated system app + " + deletedAppName 2581 + " no longer present; removing system privileges for " 2582 + deletedAppName; 2583 2584 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2585 2586 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2587 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2588 } 2589 logCriticalInfo(Log.WARN, msg); 2590 } 2591 2592 /** 2593 * Make sure all system apps that we expected to appear on 2594 * the userdata partition actually showed up. If they never 2595 * appeared, crawl back and revive the system version. 2596 */ 2597 for (int i = 0; i < mExpectingBetter.size(); i++) { 2598 final String packageName = mExpectingBetter.keyAt(i); 2599 if (!mPackages.containsKey(packageName)) { 2600 final File scanFile = mExpectingBetter.valueAt(i); 2601 2602 logCriticalInfo(Log.WARN, "Expected better " + packageName 2603 + " but never showed up; reverting to system"); 2604 2605 int reparseFlags = mDefParseFlags; 2606 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2607 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2608 | PackageParser.PARSE_IS_SYSTEM_DIR 2609 | PackageParser.PARSE_IS_PRIVILEGED; 2610 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2611 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2612 | PackageParser.PARSE_IS_SYSTEM_DIR; 2613 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2614 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2615 | PackageParser.PARSE_IS_SYSTEM_DIR; 2616 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2617 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2618 | PackageParser.PARSE_IS_SYSTEM_DIR; 2619 } else { 2620 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2621 continue; 2622 } 2623 2624 mSettings.enableSystemPackageLPw(packageName); 2625 2626 try { 2627 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2628 } catch (PackageManagerException e) { 2629 Slog.e(TAG, "Failed to parse original system package: " 2630 + e.getMessage()); 2631 } 2632 } 2633 } 2634 } 2635 mExpectingBetter.clear(); 2636 2637 // Resolve the storage manager. 2638 mStorageManagerPackage = getStorageManagerPackageName(); 2639 2640 // Resolve protected action filters. Only the setup wizard is allowed to 2641 // have a high priority filter for these actions. 2642 mSetupWizardPackage = getSetupWizardPackageName(); 2643 if (mProtectedFilters.size() > 0) { 2644 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2645 Slog.i(TAG, "No setup wizard;" 2646 + " All protected intents capped to priority 0"); 2647 } 2648 for (ActivityIntentInfo filter : mProtectedFilters) { 2649 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2650 if (DEBUG_FILTERS) { 2651 Slog.i(TAG, "Found setup wizard;" 2652 + " allow priority " + filter.getPriority() + ";" 2653 + " package: " + filter.activity.info.packageName 2654 + " activity: " + filter.activity.className 2655 + " priority: " + filter.getPriority()); 2656 } 2657 // skip setup wizard; allow it to keep the high priority filter 2658 continue; 2659 } 2660 Slog.w(TAG, "Protected action; cap priority to 0;" 2661 + " package: " + filter.activity.info.packageName 2662 + " activity: " + filter.activity.className 2663 + " origPrio: " + filter.getPriority()); 2664 filter.setPriority(0); 2665 } 2666 } 2667 mDeferProtectedFilters = false; 2668 mProtectedFilters.clear(); 2669 2670 // Now that we know all of the shared libraries, update all clients to have 2671 // the correct library paths. 2672 updateAllSharedLibrariesLPw(null); 2673 2674 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2675 // NOTE: We ignore potential failures here during a system scan (like 2676 // the rest of the commands above) because there's precious little we 2677 // can do about it. A settings error is reported, though. 2678 adjustCpuAbisForSharedUserLPw(setting.packages, null /*scannedPackage*/); 2679 } 2680 2681 // Now that we know all the packages we are keeping, 2682 // read and update their last usage times. 2683 mPackageUsage.read(mPackages); 2684 mCompilerStats.read(); 2685 2686 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2687 SystemClock.uptimeMillis()); 2688 Slog.i(TAG, "Time to scan packages: " 2689 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2690 + " seconds"); 2691 2692 // If the platform SDK has changed since the last time we booted, 2693 // we need to re-grant app permission to catch any new ones that 2694 // appear. This is really a hack, and means that apps can in some 2695 // cases get permissions that the user didn't initially explicitly 2696 // allow... it would be nice to have some better way to handle 2697 // this situation. 2698 int updateFlags = UPDATE_PERMISSIONS_ALL; 2699 if (ver.sdkVersion != mSdkVersion) { 2700 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2701 + mSdkVersion + "; regranting permissions for internal storage"); 2702 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2703 } 2704 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2705 ver.sdkVersion = mSdkVersion; 2706 2707 // If this is the first boot or an update from pre-M, and it is a normal 2708 // boot, then we need to initialize the default preferred apps across 2709 // all defined users. 2710 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2711 for (UserInfo user : sUserManager.getUsers(true)) { 2712 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2713 applyFactoryDefaultBrowserLPw(user.id); 2714 primeDomainVerificationsLPw(user.id); 2715 } 2716 } 2717 2718 // Prepare storage for system user really early during boot, 2719 // since core system apps like SettingsProvider and SystemUI 2720 // can't wait for user to start 2721 final int storageFlags; 2722 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2723 storageFlags = StorageManager.FLAG_STORAGE_DE; 2724 } else { 2725 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2726 } 2727 List<String> deferPackages = reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, 2728 UserHandle.USER_SYSTEM, storageFlags, true /* migrateAppData */, 2729 true /* onlyCoreApps */); 2730 mPrepareAppDataFuture = SystemServerInitThreadPool.get().submit(() -> { 2731 BootTimingsTraceLog traceLog = new BootTimingsTraceLog("SystemServerTimingAsync", 2732 Trace.TRACE_TAG_PACKAGE_MANAGER); 2733 traceLog.traceBegin("AppDataFixup"); 2734 try { 2735 mInstaller.fixupAppData(StorageManager.UUID_PRIVATE_INTERNAL, 2736 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 2737 } catch (InstallerException e) { 2738 Slog.w(TAG, "Trouble fixing GIDs", e); 2739 } 2740 traceLog.traceEnd(); 2741 2742 traceLog.traceBegin("AppDataPrepare"); 2743 if (deferPackages == null || deferPackages.isEmpty()) { 2744 return; 2745 } 2746 int count = 0; 2747 for (String pkgName : deferPackages) { 2748 PackageParser.Package pkg = null; 2749 synchronized (mPackages) { 2750 PackageSetting ps = mSettings.getPackageLPr(pkgName); 2751 if (ps != null && ps.getInstalled(UserHandle.USER_SYSTEM)) { 2752 pkg = ps.pkg; 2753 } 2754 } 2755 if (pkg != null) { 2756 synchronized (mInstallLock) { 2757 prepareAppDataAndMigrateLIF(pkg, UserHandle.USER_SYSTEM, storageFlags, 2758 true /* maybeMigrateAppData */); 2759 } 2760 count++; 2761 } 2762 } 2763 traceLog.traceEnd(); 2764 Slog.i(TAG, "Deferred reconcileAppsData finished " + count + " packages"); 2765 }, "prepareAppData"); 2766 2767 // If this is first boot after an OTA, and a normal boot, then 2768 // we need to clear code cache directories. 2769 // Note that we do *not* clear the application profiles. These remain valid 2770 // across OTAs and are used to drive profile verification (post OTA) and 2771 // profile compilation (without waiting to collect a fresh set of profiles). 2772 if (mIsUpgrade && !onlyCore) { 2773 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2774 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2775 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2776 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2777 // No apps are running this early, so no need to freeze 2778 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2779 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2780 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2781 } 2782 } 2783 ver.fingerprint = Build.FINGERPRINT; 2784 } 2785 2786 checkDefaultBrowser(); 2787 2788 // clear only after permissions and other defaults have been updated 2789 mExistingSystemPackages.clear(); 2790 mPromoteSystemApps = false; 2791 2792 // All the changes are done during package scanning. 2793 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2794 2795 // can downgrade to reader 2796 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "write settings"); 2797 mSettings.writeLPr(); 2798 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2799 2800 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2801 SystemClock.uptimeMillis()); 2802 2803 if (!mOnlyCore) { 2804 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2805 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2806 mRequiredUninstallerPackage = getRequiredUninstallerLPr(); 2807 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2808 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2809 mIntentFilterVerifierComponent); 2810 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2811 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES, 2812 SharedLibraryInfo.VERSION_UNDEFINED); 2813 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2814 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED, 2815 SharedLibraryInfo.VERSION_UNDEFINED); 2816 } else { 2817 mRequiredVerifierPackage = null; 2818 mRequiredInstallerPackage = null; 2819 mRequiredUninstallerPackage = null; 2820 mIntentFilterVerifierComponent = null; 2821 mIntentFilterVerifier = null; 2822 mServicesSystemSharedLibraryPackageName = null; 2823 mSharedSystemSharedLibraryPackageName = null; 2824 } 2825 2826 mInstallerService = new PackageInstallerService(context, this); 2827 final Pair<ComponentName, String> instantAppResolverComponent = 2828 getInstantAppResolverLPr(); 2829 if (instantAppResolverComponent != null) { 2830 if (DEBUG_EPHEMERAL) { 2831 Slog.d(TAG, "Set ephemeral resolver: " + instantAppResolverComponent); 2832 } 2833 mInstantAppResolverConnection = new EphemeralResolverConnection( 2834 mContext, instantAppResolverComponent.first, 2835 instantAppResolverComponent.second); 2836 mInstantAppResolverSettingsComponent = 2837 getInstantAppResolverSettingsLPr(instantAppResolverComponent.first); 2838 } else { 2839 mInstantAppResolverConnection = null; 2840 mInstantAppResolverSettingsComponent = null; 2841 } 2842 updateInstantAppInstallerLocked(null); 2843 2844 // Read and update the usage of dex files. 2845 // Do this at the end of PM init so that all the packages have their 2846 // data directory reconciled. 2847 // At this point we know the code paths of the packages, so we can validate 2848 // the disk file and build the internal cache. 2849 // The usage file is expected to be small so loading and verifying it 2850 // should take a fairly small time compare to the other activities (e.g. package 2851 // scanning). 2852 final Map<Integer, List<PackageInfo>> userPackages = new HashMap<>(); 2853 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 2854 for (int userId : currentUserIds) { 2855 userPackages.put(userId, getInstalledPackages(/*flags*/ 0, userId).getList()); 2856 } 2857 mDexManager.load(userPackages); 2858 } // synchronized (mPackages) 2859 } // synchronized (mInstallLock) 2860 2861 // Now after opening every single application zip, make sure they 2862 // are all flushed. Not really needed, but keeps things nice and 2863 // tidy. 2864 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "GC"); 2865 Runtime.getRuntime().gc(); 2866 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2867 2868 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "loadFallbacks"); 2869 FallbackCategoryProvider.loadFallbacks(); 2870 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2871 2872 // The initial scanning above does many calls into installd while 2873 // holding the mPackages lock, but we're mostly interested in yelling 2874 // once we have a booted system. 2875 mInstaller.setWarnIfHeld(mPackages); 2876 2877 // Expose private service for system components to use. 2878 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2879 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2880 } 2881 2882 private void updateInstantAppInstallerLocked(String modifiedPackage) { 2883 // we're only interested in updating the installer appliction when 1) it's not 2884 // already set or 2) the modified package is the installer 2885 if (mInstantAppInstallerActivity != null 2886 && !mInstantAppInstallerActivity.getComponentName().getPackageName() 2887 .equals(modifiedPackage)) { 2888 return; 2889 } 2890 setUpInstantAppInstallerActivityLP(getInstantAppInstallerLPr()); 2891 } 2892 2893 private static File preparePackageParserCache(boolean isUpgrade) { 2894 if (!DEFAULT_PACKAGE_PARSER_CACHE_ENABLED) { 2895 return null; 2896 } 2897 2898 // Disable package parsing on eng builds to allow for faster incremental development. 2899 if ("eng".equals(Build.TYPE)) { 2900 return null; 2901 } 2902 2903 if (SystemProperties.getBoolean("pm.boot.disable_package_cache", false)) { 2904 Slog.i(TAG, "Disabling package parser cache due to system property."); 2905 return null; 2906 } 2907 2908 // The base directory for the package parser cache lives under /data/system/. 2909 final File cacheBaseDir = FileUtils.createDir(Environment.getDataSystemDirectory(), 2910 "package_cache"); 2911 if (cacheBaseDir == null) { 2912 return null; 2913 } 2914 2915 // If this is a system upgrade scenario, delete the contents of the package cache dir. 2916 // This also serves to "GC" unused entries when the package cache version changes (which 2917 // can only happen during upgrades). 2918 if (isUpgrade) { 2919 FileUtils.deleteContents(cacheBaseDir); 2920 } 2921 2922 2923 // Return the versioned package cache directory. This is something like 2924 // "/data/system/package_cache/1" 2925 File cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 2926 2927 // The following is a workaround to aid development on non-numbered userdebug 2928 // builds or cases where "adb sync" is used on userdebug builds. If we detect that 2929 // the system partition is newer. 2930 // 2931 // NOTE: When no BUILD_NUMBER is set by the build system, it defaults to a build 2932 // that starts with "eng." to signify that this is an engineering build and not 2933 // destined for release. 2934 if ("userdebug".equals(Build.TYPE) && Build.VERSION.INCREMENTAL.startsWith("eng.")) { 2935 Slog.w(TAG, "Wiping cache directory because the system partition changed."); 2936 2937 // Heuristic: If the /system directory has been modified recently due to an "adb sync" 2938 // or a regular make, then blow away the cache. Note that mtimes are *NOT* reliable 2939 // in general and should not be used for production changes. In this specific case, 2940 // we know that they will work. 2941 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2942 if (cacheDir.lastModified() < frameworkDir.lastModified()) { 2943 FileUtils.deleteContents(cacheBaseDir); 2944 cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 2945 } 2946 } 2947 2948 return cacheDir; 2949 } 2950 2951 @Override 2952 public boolean isFirstBoot() { 2953 return mFirstBoot; 2954 } 2955 2956 @Override 2957 public boolean isOnlyCoreApps() { 2958 return mOnlyCore; 2959 } 2960 2961 @Override 2962 public boolean isUpgrade() { 2963 return mIsUpgrade; 2964 } 2965 2966 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2967 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2968 2969 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 2970 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2971 UserHandle.USER_SYSTEM); 2972 if (matches.size() == 1) { 2973 return matches.get(0).getComponentInfo().packageName; 2974 } else if (matches.size() == 0) { 2975 Log.e(TAG, "There should probably be a verifier, but, none were found"); 2976 return null; 2977 } 2978 throw new RuntimeException("There must be exactly one verifier; found " + matches); 2979 } 2980 2981 private @NonNull String getRequiredSharedLibraryLPr(String name, int version) { 2982 synchronized (mPackages) { 2983 SharedLibraryEntry libraryEntry = getSharedLibraryEntryLPr(name, version); 2984 if (libraryEntry == null) { 2985 throw new IllegalStateException("Missing required shared library:" + name); 2986 } 2987 return libraryEntry.apk; 2988 } 2989 } 2990 2991 private @NonNull String getRequiredInstallerLPr() { 2992 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2993 intent.addCategory(Intent.CATEGORY_DEFAULT); 2994 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2995 2996 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 2997 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 2998 UserHandle.USER_SYSTEM); 2999 if (matches.size() == 1) { 3000 ResolveInfo resolveInfo = matches.get(0); 3001 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 3002 throw new RuntimeException("The installer must be a privileged app"); 3003 } 3004 return matches.get(0).getComponentInfo().packageName; 3005 } else { 3006 throw new RuntimeException("There must be exactly one installer; found " + matches); 3007 } 3008 } 3009 3010 private @NonNull String getRequiredUninstallerLPr() { 3011 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 3012 intent.addCategory(Intent.CATEGORY_DEFAULT); 3013 intent.setData(Uri.fromParts(PACKAGE_SCHEME, "foo.bar", null)); 3014 3015 final ResolveInfo resolveInfo = resolveIntent(intent, null, 3016 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3017 UserHandle.USER_SYSTEM); 3018 if (resolveInfo == null || 3019 mResolveActivity.name.equals(resolveInfo.getComponentInfo().name)) { 3020 throw new RuntimeException("There must be exactly one uninstaller; found " 3021 + resolveInfo); 3022 } 3023 return resolveInfo.getComponentInfo().packageName; 3024 } 3025 3026 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 3027 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 3028 3029 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 3030 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3031 UserHandle.USER_SYSTEM); 3032 ResolveInfo best = null; 3033 final int N = matches.size(); 3034 for (int i = 0; i < N; i++) { 3035 final ResolveInfo cur = matches.get(i); 3036 final String packageName = cur.getComponentInfo().packageName; 3037 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 3038 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 3039 continue; 3040 } 3041 3042 if (best == null || cur.priority > best.priority) { 3043 best = cur; 3044 } 3045 } 3046 3047 if (best != null) { 3048 return best.getComponentInfo().getComponentName(); 3049 } else { 3050 throw new RuntimeException("There must be at least one intent filter verifier"); 3051 } 3052 } 3053 3054 private @Nullable Pair<ComponentName, String> getInstantAppResolverLPr() { 3055 final String[] packageArray = 3056 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 3057 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 3058 if (DEBUG_EPHEMERAL) { 3059 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 3060 } 3061 return null; 3062 } 3063 3064 final int callingUid = Binder.getCallingUid(); 3065 final int resolveFlags = 3066 MATCH_DIRECT_BOOT_AWARE 3067 | MATCH_DIRECT_BOOT_UNAWARE 3068 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3069 String actionName = Intent.ACTION_RESOLVE_INSTANT_APP_PACKAGE; 3070 final Intent resolverIntent = new Intent(actionName); 3071 List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 3072 resolveFlags, UserHandle.USER_SYSTEM, callingUid, false /*includeInstantApps*/); 3073 // temporarily look for the old action 3074 if (resolvers.size() == 0) { 3075 if (DEBUG_EPHEMERAL) { 3076 Slog.d(TAG, "Ephemeral resolver not found with new action; try old one"); 3077 } 3078 actionName = Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE; 3079 resolverIntent.setAction(actionName); 3080 resolvers = queryIntentServicesInternal(resolverIntent, null, 3081 resolveFlags, UserHandle.USER_SYSTEM, callingUid, false /*includeInstantApps*/); 3082 } 3083 final int N = resolvers.size(); 3084 if (N == 0) { 3085 if (DEBUG_EPHEMERAL) { 3086 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 3087 } 3088 return null; 3089 } 3090 3091 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 3092 for (int i = 0; i < N; i++) { 3093 final ResolveInfo info = resolvers.get(i); 3094 3095 if (info.serviceInfo == null) { 3096 continue; 3097 } 3098 3099 final String packageName = info.serviceInfo.packageName; 3100 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 3101 if (DEBUG_EPHEMERAL) { 3102 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 3103 + " pkg: " + packageName + ", info:" + info); 3104 } 3105 continue; 3106 } 3107 3108 if (DEBUG_EPHEMERAL) { 3109 Slog.v(TAG, "Ephemeral resolver found;" 3110 + " pkg: " + packageName + ", info:" + info); 3111 } 3112 return new Pair<>(new ComponentName(packageName, info.serviceInfo.name), actionName); 3113 } 3114 if (DEBUG_EPHEMERAL) { 3115 Slog.v(TAG, "Ephemeral resolver NOT found"); 3116 } 3117 return null; 3118 } 3119 3120 private @Nullable ActivityInfo getInstantAppInstallerLPr() { 3121 final Intent intent = new Intent(Intent.ACTION_INSTALL_INSTANT_APP_PACKAGE); 3122 intent.addCategory(Intent.CATEGORY_DEFAULT); 3123 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3124 3125 final int resolveFlags = 3126 MATCH_DIRECT_BOOT_AWARE 3127 | MATCH_DIRECT_BOOT_UNAWARE 3128 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3129 List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3130 resolveFlags, UserHandle.USER_SYSTEM); 3131 // temporarily look for the old action 3132 if (matches.isEmpty()) { 3133 if (DEBUG_EPHEMERAL) { 3134 Slog.d(TAG, "Ephemeral installer not found with new action; try old one"); 3135 } 3136 intent.setAction(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 3137 matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3138 resolveFlags, UserHandle.USER_SYSTEM); 3139 } 3140 Iterator<ResolveInfo> iter = matches.iterator(); 3141 while (iter.hasNext()) { 3142 final ResolveInfo rInfo = iter.next(); 3143 final PackageSetting ps = mSettings.mPackages.get(rInfo.activityInfo.packageName); 3144 if (ps != null) { 3145 final PermissionsState permissionsState = ps.getPermissionsState(); 3146 if (permissionsState.hasPermission(Manifest.permission.INSTALL_PACKAGES, 0)) { 3147 continue; 3148 } 3149 } 3150 iter.remove(); 3151 } 3152 if (matches.size() == 0) { 3153 return null; 3154 } else if (matches.size() == 1) { 3155 return (ActivityInfo) matches.get(0).getComponentInfo(); 3156 } else { 3157 throw new RuntimeException( 3158 "There must be at most one ephemeral installer; found " + matches); 3159 } 3160 } 3161 3162 private @Nullable ComponentName getInstantAppResolverSettingsLPr( 3163 @NonNull ComponentName resolver) { 3164 final Intent intent = new Intent(Intent.ACTION_INSTANT_APP_RESOLVER_SETTINGS) 3165 .addCategory(Intent.CATEGORY_DEFAULT) 3166 .setPackage(resolver.getPackageName()); 3167 final int resolveFlags = MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3168 List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, resolveFlags, 3169 UserHandle.USER_SYSTEM); 3170 // temporarily look for the old action 3171 if (matches.isEmpty()) { 3172 if (DEBUG_EPHEMERAL) { 3173 Slog.d(TAG, "Ephemeral resolver settings not found with new action; try old one"); 3174 } 3175 intent.setAction(Intent.ACTION_EPHEMERAL_RESOLVER_SETTINGS); 3176 matches = queryIntentActivitiesInternal(intent, null, resolveFlags, 3177 UserHandle.USER_SYSTEM); 3178 } 3179 if (matches.isEmpty()) { 3180 return null; 3181 } 3182 return matches.get(0).getComponentInfo().getComponentName(); 3183 } 3184 3185 private void primeDomainVerificationsLPw(int userId) { 3186 if (DEBUG_DOMAIN_VERIFICATION) { 3187 Slog.d(TAG, "Priming domain verifications in user " + userId); 3188 } 3189 3190 SystemConfig systemConfig = SystemConfig.getInstance(); 3191 ArraySet<String> packages = systemConfig.getLinkedApps(); 3192 3193 for (String packageName : packages) { 3194 PackageParser.Package pkg = mPackages.get(packageName); 3195 if (pkg != null) { 3196 if (!pkg.isSystemApp()) { 3197 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 3198 continue; 3199 } 3200 3201 ArraySet<String> domains = null; 3202 for (PackageParser.Activity a : pkg.activities) { 3203 for (ActivityIntentInfo filter : a.intents) { 3204 if (hasValidDomains(filter)) { 3205 if (domains == null) { 3206 domains = new ArraySet<String>(); 3207 } 3208 domains.addAll(filter.getHostsList()); 3209 } 3210 } 3211 } 3212 3213 if (domains != null && domains.size() > 0) { 3214 if (DEBUG_DOMAIN_VERIFICATION) { 3215 Slog.v(TAG, " + " + packageName); 3216 } 3217 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 3218 // state w.r.t. the formal app-linkage "no verification attempted" state; 3219 // and then 'always' in the per-user state actually used for intent resolution. 3220 final IntentFilterVerificationInfo ivi; 3221 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, domains); 3222 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 3223 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 3224 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 3225 } else { 3226 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 3227 + "' does not handle web links"); 3228 } 3229 } else { 3230 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 3231 } 3232 } 3233 3234 scheduleWritePackageRestrictionsLocked(userId); 3235 scheduleWriteSettingsLocked(); 3236 } 3237 3238 private void applyFactoryDefaultBrowserLPw(int userId) { 3239 // The default browser app's package name is stored in a string resource, 3240 // with a product-specific overlay used for vendor customization. 3241 String browserPkg = mContext.getResources().getString( 3242 com.android.internal.R.string.default_browser); 3243 if (!TextUtils.isEmpty(browserPkg)) { 3244 // non-empty string => required to be a known package 3245 PackageSetting ps = mSettings.mPackages.get(browserPkg); 3246 if (ps == null) { 3247 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 3248 browserPkg = null; 3249 } else { 3250 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3251 } 3252 } 3253 3254 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3255 // default. If there's more than one, just leave everything alone. 3256 if (browserPkg == null) { 3257 calculateDefaultBrowserLPw(userId); 3258 } 3259 } 3260 3261 private void calculateDefaultBrowserLPw(int userId) { 3262 List<String> allBrowsers = resolveAllBrowserApps(userId); 3263 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3264 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3265 } 3266 3267 private List<String> resolveAllBrowserApps(int userId) { 3268 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3269 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3270 PackageManager.MATCH_ALL, userId); 3271 3272 final int count = list.size(); 3273 List<String> result = new ArrayList<String>(count); 3274 for (int i=0; i<count; i++) { 3275 ResolveInfo info = list.get(i); 3276 if (info.activityInfo == null 3277 || !info.handleAllWebDataURI 3278 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3279 || result.contains(info.activityInfo.packageName)) { 3280 continue; 3281 } 3282 result.add(info.activityInfo.packageName); 3283 } 3284 3285 return result; 3286 } 3287 3288 private boolean packageIsBrowser(String packageName, int userId) { 3289 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3290 PackageManager.MATCH_ALL, userId); 3291 final int N = list.size(); 3292 for (int i = 0; i < N; i++) { 3293 ResolveInfo info = list.get(i); 3294 if (packageName.equals(info.activityInfo.packageName)) { 3295 return true; 3296 } 3297 } 3298 return false; 3299 } 3300 3301 private void checkDefaultBrowser() { 3302 final int myUserId = UserHandle.myUserId(); 3303 final String packageName = getDefaultBrowserPackageName(myUserId); 3304 if (packageName != null) { 3305 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3306 if (info == null) { 3307 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3308 synchronized (mPackages) { 3309 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3310 } 3311 } 3312 } 3313 } 3314 3315 @Override 3316 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3317 throws RemoteException { 3318 try { 3319 return super.onTransact(code, data, reply, flags); 3320 } catch (RuntimeException e) { 3321 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3322 Slog.wtf(TAG, "Package Manager Crash", e); 3323 } 3324 throw e; 3325 } 3326 } 3327 3328 static int[] appendInts(int[] cur, int[] add) { 3329 if (add == null) return cur; 3330 if (cur == null) return add; 3331 final int N = add.length; 3332 for (int i=0; i<N; i++) { 3333 cur = appendInt(cur, add[i]); 3334 } 3335 return cur; 3336 } 3337 3338 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3339 if (!sUserManager.exists(userId)) return null; 3340 if (ps == null) { 3341 return null; 3342 } 3343 final PackageParser.Package p = ps.pkg; 3344 if (p == null) { 3345 return null; 3346 } 3347 // Filter out ephemeral app metadata: 3348 // * The system/shell/root can see metadata for any app 3349 // * An installed app can see metadata for 1) other installed apps 3350 // and 2) ephemeral apps that have explicitly interacted with it 3351 // * Ephemeral apps can only see their own data and exposed installed apps 3352 // * Holding a signature permission allows seeing instant apps 3353 final int callingAppId = UserHandle.getAppId(Binder.getCallingUid()); 3354 if (callingAppId != Process.SYSTEM_UID 3355 && callingAppId != Process.SHELL_UID 3356 && callingAppId != Process.ROOT_UID 3357 && checkUidPermission(Manifest.permission.ACCESS_INSTANT_APPS, 3358 Binder.getCallingUid()) != PackageManager.PERMISSION_GRANTED) { 3359 final String instantAppPackageName = getInstantAppPackageName(Binder.getCallingUid()); 3360 if (instantAppPackageName != null) { 3361 // ephemeral apps can only get information on themselves or 3362 // installed apps that are exposed. 3363 if (!instantAppPackageName.equals(p.packageName) 3364 && (ps.getInstantApp(userId) || !p.visibleToInstantApps)) { 3365 return null; 3366 } 3367 } else { 3368 if (ps.getInstantApp(userId)) { 3369 // only get access to the ephemeral app if we've been granted access 3370 if (!mInstantAppRegistry.isInstantAccessGranted( 3371 userId, callingAppId, ps.appId)) { 3372 return null; 3373 } 3374 } 3375 } 3376 } 3377 3378 final PermissionsState permissionsState = ps.getPermissionsState(); 3379 3380 // Compute GIDs only if requested 3381 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3382 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3383 // Compute granted permissions only if package has requested permissions 3384 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3385 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3386 final PackageUserState state = ps.readUserState(userId); 3387 3388 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0 3389 && ps.isSystem()) { 3390 flags |= MATCH_ANY_USER; 3391 } 3392 3393 PackageInfo packageInfo = PackageParser.generatePackageInfo(p, gids, flags, 3394 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3395 3396 if (packageInfo == null) { 3397 return null; 3398 } 3399 3400 rebaseEnabledOverlays(packageInfo.applicationInfo, userId); 3401 3402 packageInfo.packageName = packageInfo.applicationInfo.packageName = 3403 resolveExternalPackageNameLPr(p); 3404 3405 return packageInfo; 3406 } 3407 3408 @Override 3409 public void checkPackageStartable(String packageName, int userId) { 3410 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3411 3412 synchronized (mPackages) { 3413 final PackageSetting ps = mSettings.mPackages.get(packageName); 3414 if (ps == null) { 3415 throw new SecurityException("Package " + packageName + " was not found!"); 3416 } 3417 3418 if (!ps.getInstalled(userId)) { 3419 throw new SecurityException( 3420 "Package " + packageName + " was not installed for user " + userId + "!"); 3421 } 3422 3423 if (mSafeMode && !ps.isSystem()) { 3424 throw new SecurityException("Package " + packageName + " not a system app!"); 3425 } 3426 3427 if (mFrozenPackages.contains(packageName)) { 3428 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3429 } 3430 3431 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isDirectBootAware() 3432 || ps.pkg.applicationInfo.isPartiallyDirectBootAware())) { 3433 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3434 } 3435 } 3436 } 3437 3438 @Override 3439 public boolean isPackageAvailable(String packageName, int userId) { 3440 if (!sUserManager.exists(userId)) return false; 3441 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3442 false /* requireFullPermission */, false /* checkShell */, "is package available"); 3443 synchronized (mPackages) { 3444 PackageParser.Package p = mPackages.get(packageName); 3445 if (p != null) { 3446 final PackageSetting ps = (PackageSetting) p.mExtras; 3447 if (ps != null) { 3448 final PackageUserState state = ps.readUserState(userId); 3449 if (state != null) { 3450 return PackageParser.isAvailable(state); 3451 } 3452 } 3453 } 3454 } 3455 return false; 3456 } 3457 3458 @Override 3459 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3460 return getPackageInfoInternal(packageName, PackageManager.VERSION_CODE_HIGHEST, 3461 flags, userId); 3462 } 3463 3464 @Override 3465 public PackageInfo getPackageInfoVersioned(VersionedPackage versionedPackage, 3466 int flags, int userId) { 3467 return getPackageInfoInternal(versionedPackage.getPackageName(), 3468 // TODO: We will change version code to long, so in the new API it is long 3469 (int) versionedPackage.getVersionCode(), flags, userId); 3470 } 3471 3472 private PackageInfo getPackageInfoInternal(String packageName, int versionCode, 3473 int flags, int userId) { 3474 if (!sUserManager.exists(userId)) return null; 3475 flags = updateFlagsForPackage(flags, userId, packageName); 3476 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3477 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3478 3479 // reader 3480 synchronized (mPackages) { 3481 // Normalize package name to handle renamed packages and static libs 3482 packageName = resolveInternalPackageNameLPr(packageName, versionCode); 3483 3484 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3485 if (matchFactoryOnly) { 3486 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3487 if (ps != null) { 3488 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 3489 return null; 3490 } 3491 return generatePackageInfo(ps, flags, userId); 3492 } 3493 } 3494 3495 PackageParser.Package p = mPackages.get(packageName); 3496 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3497 return null; 3498 } 3499 if (DEBUG_PACKAGE_INFO) 3500 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3501 if (p != null) { 3502 if (filterSharedLibPackageLPr((PackageSetting) p.mExtras, 3503 Binder.getCallingUid(), userId)) { 3504 return null; 3505 } 3506 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3507 } 3508 if (!matchFactoryOnly && (flags & MATCH_KNOWN_PACKAGES) != 0) { 3509 final PackageSetting ps = mSettings.mPackages.get(packageName); 3510 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 3511 return null; 3512 } 3513 return generatePackageInfo(ps, flags, userId); 3514 } 3515 } 3516 return null; 3517 } 3518 3519 3520 private boolean filterSharedLibPackageLPr(@Nullable PackageSetting ps, int uid, int userId) { 3521 // System/shell/root get to see all static libs 3522 final int appId = UserHandle.getAppId(uid); 3523 if (appId == Process.SYSTEM_UID || appId == Process.SHELL_UID 3524 || appId == Process.ROOT_UID) { 3525 return false; 3526 } 3527 3528 // No package means no static lib as it is always on internal storage 3529 if (ps == null || ps.pkg == null || !ps.pkg.applicationInfo.isStaticSharedLibrary()) { 3530 return false; 3531 } 3532 3533 final SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(ps.pkg.staticSharedLibName, 3534 ps.pkg.staticSharedLibVersion); 3535 if (libEntry == null) { 3536 return false; 3537 } 3538 3539 final int resolvedUid = UserHandle.getUid(userId, UserHandle.getAppId(uid)); 3540 final String[] uidPackageNames = getPackagesForUid(resolvedUid); 3541 if (uidPackageNames == null) { 3542 return true; 3543 } 3544 3545 for (String uidPackageName : uidPackageNames) { 3546 if (ps.name.equals(uidPackageName)) { 3547 return false; 3548 } 3549 PackageSetting uidPs = mSettings.getPackageLPr(uidPackageName); 3550 if (uidPs != null) { 3551 final int index = ArrayUtils.indexOf(uidPs.usesStaticLibraries, 3552 libEntry.info.getName()); 3553 if (index < 0) { 3554 continue; 3555 } 3556 if (uidPs.pkg.usesStaticLibrariesVersions[index] == libEntry.info.getVersion()) { 3557 return false; 3558 } 3559 } 3560 } 3561 return true; 3562 } 3563 3564 @Override 3565 public String[] currentToCanonicalPackageNames(String[] names) { 3566 String[] out = new String[names.length]; 3567 // reader 3568 synchronized (mPackages) { 3569 for (int i=names.length-1; i>=0; i--) { 3570 PackageSetting ps = mSettings.mPackages.get(names[i]); 3571 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 3572 } 3573 } 3574 return out; 3575 } 3576 3577 @Override 3578 public String[] canonicalToCurrentPackageNames(String[] names) { 3579 String[] out = new String[names.length]; 3580 // reader 3581 synchronized (mPackages) { 3582 for (int i=names.length-1; i>=0; i--) { 3583 String cur = mSettings.getRenamedPackageLPr(names[i]); 3584 out[i] = cur != null ? cur : names[i]; 3585 } 3586 } 3587 return out; 3588 } 3589 3590 @Override 3591 public int getPackageUid(String packageName, int flags, int userId) { 3592 if (!sUserManager.exists(userId)) return -1; 3593 flags = updateFlagsForPackage(flags, userId, packageName); 3594 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3595 false /* requireFullPermission */, false /* checkShell */, "get package uid"); 3596 3597 // reader 3598 synchronized (mPackages) { 3599 final PackageParser.Package p = mPackages.get(packageName); 3600 if (p != null && p.isMatch(flags)) { 3601 return UserHandle.getUid(userId, p.applicationInfo.uid); 3602 } 3603 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3604 final PackageSetting ps = mSettings.mPackages.get(packageName); 3605 if (ps != null && ps.isMatch(flags)) { 3606 return UserHandle.getUid(userId, ps.appId); 3607 } 3608 } 3609 } 3610 3611 return -1; 3612 } 3613 3614 @Override 3615 public int[] getPackageGids(String packageName, int flags, int userId) { 3616 if (!sUserManager.exists(userId)) return null; 3617 flags = updateFlagsForPackage(flags, userId, packageName); 3618 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3619 false /* requireFullPermission */, false /* checkShell */, 3620 "getPackageGids"); 3621 3622 // reader 3623 synchronized (mPackages) { 3624 final PackageParser.Package p = mPackages.get(packageName); 3625 if (p != null && p.isMatch(flags)) { 3626 PackageSetting ps = (PackageSetting) p.mExtras; 3627 // TODO: Shouldn't this be checking for package installed state for userId and 3628 // return null? 3629 return ps.getPermissionsState().computeGids(userId); 3630 } 3631 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3632 final PackageSetting ps = mSettings.mPackages.get(packageName); 3633 if (ps != null && ps.isMatch(flags)) { 3634 return ps.getPermissionsState().computeGids(userId); 3635 } 3636 } 3637 } 3638 3639 return null; 3640 } 3641 3642 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 3643 if (bp.perm != null) { 3644 return PackageParser.generatePermissionInfo(bp.perm, flags); 3645 } 3646 PermissionInfo pi = new PermissionInfo(); 3647 pi.name = bp.name; 3648 pi.packageName = bp.sourcePackage; 3649 pi.nonLocalizedLabel = bp.name; 3650 pi.protectionLevel = bp.protectionLevel; 3651 return pi; 3652 } 3653 3654 @Override 3655 public PermissionInfo getPermissionInfo(String name, int flags) { 3656 // reader 3657 synchronized (mPackages) { 3658 final BasePermission p = mSettings.mPermissions.get(name); 3659 if (p != null) { 3660 return generatePermissionInfo(p, flags); 3661 } 3662 return null; 3663 } 3664 } 3665 3666 @Override 3667 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String group, 3668 int flags) { 3669 // reader 3670 synchronized (mPackages) { 3671 if (group != null && !mPermissionGroups.containsKey(group)) { 3672 // This is thrown as NameNotFoundException 3673 return null; 3674 } 3675 3676 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 3677 for (BasePermission p : mSettings.mPermissions.values()) { 3678 if (group == null) { 3679 if (p.perm == null || p.perm.info.group == null) { 3680 out.add(generatePermissionInfo(p, flags)); 3681 } 3682 } else { 3683 if (p.perm != null && group.equals(p.perm.info.group)) { 3684 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 3685 } 3686 } 3687 } 3688 return new ParceledListSlice<>(out); 3689 } 3690 } 3691 3692 @Override 3693 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 3694 // reader 3695 synchronized (mPackages) { 3696 return PackageParser.generatePermissionGroupInfo( 3697 mPermissionGroups.get(name), flags); 3698 } 3699 } 3700 3701 @Override 3702 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 3703 // reader 3704 synchronized (mPackages) { 3705 final int N = mPermissionGroups.size(); 3706 ArrayList<PermissionGroupInfo> out 3707 = new ArrayList<PermissionGroupInfo>(N); 3708 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 3709 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 3710 } 3711 return new ParceledListSlice<>(out); 3712 } 3713 } 3714 3715 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 3716 int uid, int userId) { 3717 if (!sUserManager.exists(userId)) return null; 3718 PackageSetting ps = mSettings.mPackages.get(packageName); 3719 if (ps != null) { 3720 if (filterSharedLibPackageLPr(ps, uid, userId)) { 3721 return null; 3722 } 3723 if (ps.pkg == null) { 3724 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 3725 if (pInfo != null) { 3726 return pInfo.applicationInfo; 3727 } 3728 return null; 3729 } 3730 ApplicationInfo ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3731 ps.readUserState(userId), userId); 3732 if (ai != null) { 3733 rebaseEnabledOverlays(ai, userId); 3734 ai.packageName = resolveExternalPackageNameLPr(ps.pkg); 3735 } 3736 return ai; 3737 } 3738 return null; 3739 } 3740 3741 @Override 3742 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3743 if (!sUserManager.exists(userId)) return null; 3744 flags = updateFlagsForApplication(flags, userId, packageName); 3745 enforceCrossUserPermission(Binder.getCallingUid(), userId, 3746 false /* requireFullPermission */, false /* checkShell */, "get application info"); 3747 3748 // writer 3749 synchronized (mPackages) { 3750 // Normalize package name to handle renamed packages and static libs 3751 packageName = resolveInternalPackageNameLPr(packageName, 3752 PackageManager.VERSION_CODE_HIGHEST); 3753 3754 PackageParser.Package p = mPackages.get(packageName); 3755 if (DEBUG_PACKAGE_INFO) Log.v( 3756 TAG, "getApplicationInfo " + packageName 3757 + ": " + p); 3758 if (p != null) { 3759 PackageSetting ps = mSettings.mPackages.get(packageName); 3760 if (ps == null) return null; 3761 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 3762 return null; 3763 } 3764 // Note: isEnabledLP() does not apply here - always return info 3765 ApplicationInfo ai = PackageParser.generateApplicationInfo( 3766 p, flags, ps.readUserState(userId), userId); 3767 if (ai != null) { 3768 rebaseEnabledOverlays(ai, userId); 3769 ai.packageName = resolveExternalPackageNameLPr(p); 3770 } 3771 return ai; 3772 } 3773 if ("android".equals(packageName)||"system".equals(packageName)) { 3774 return mAndroidApplication; 3775 } 3776 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 3777 // Already generates the external package name 3778 return generateApplicationInfoFromSettingsLPw(packageName, 3779 Binder.getCallingUid(), flags, userId); 3780 } 3781 } 3782 return null; 3783 } 3784 3785 private void rebaseEnabledOverlays(@NonNull ApplicationInfo ai, int userId) { 3786 List<String> paths = new ArrayList<>(); 3787 ArrayMap<String, ArrayList<String>> userSpecificOverlays = 3788 mEnabledOverlayPaths.get(userId); 3789 if (userSpecificOverlays != null) { 3790 if (!"android".equals(ai.packageName)) { 3791 ArrayList<String> frameworkOverlays = userSpecificOverlays.get("android"); 3792 if (frameworkOverlays != null) { 3793 paths.addAll(frameworkOverlays); 3794 } 3795 } 3796 3797 ArrayList<String> appOverlays = userSpecificOverlays.get(ai.packageName); 3798 if (appOverlays != null) { 3799 paths.addAll(appOverlays); 3800 } 3801 } 3802 ai.resourceDirs = paths.size() > 0 ? paths.toArray(new String[paths.size()]) : null; 3803 } 3804 3805 private String normalizePackageNameLPr(String packageName) { 3806 String normalizedPackageName = mSettings.getRenamedPackageLPr(packageName); 3807 return normalizedPackageName != null ? normalizedPackageName : packageName; 3808 } 3809 3810 @Override 3811 public void deletePreloadsFileCache() { 3812 if (!UserHandle.isSameApp(Binder.getCallingUid(), Process.SYSTEM_UID)) { 3813 throw new SecurityException("Only system or settings may call deletePreloadsFileCache"); 3814 } 3815 File dir = Environment.getDataPreloadsFileCacheDirectory(); 3816 Slog.i(TAG, "Deleting preloaded file cache " + dir); 3817 FileUtils.deleteContents(dir); 3818 } 3819 3820 @Override 3821 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3822 final IPackageDataObserver observer) { 3823 mContext.enforceCallingOrSelfPermission( 3824 android.Manifest.permission.CLEAR_APP_CACHE, null); 3825 mHandler.post(() -> { 3826 boolean success = false; 3827 try { 3828 freeStorage(volumeUuid, freeStorageSize, 0); 3829 success = true; 3830 } catch (IOException e) { 3831 Slog.w(TAG, e); 3832 } 3833 if (observer != null) { 3834 try { 3835 observer.onRemoveCompleted(null, success); 3836 } catch (RemoteException e) { 3837 Slog.w(TAG, e); 3838 } 3839 } 3840 }); 3841 } 3842 3843 @Override 3844 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3845 final IntentSender pi) { 3846 mContext.enforceCallingOrSelfPermission( 3847 android.Manifest.permission.CLEAR_APP_CACHE, TAG); 3848 mHandler.post(() -> { 3849 boolean success = false; 3850 try { 3851 freeStorage(volumeUuid, freeStorageSize, 0); 3852 success = true; 3853 } catch (IOException e) { 3854 Slog.w(TAG, e); 3855 } 3856 if (pi != null) { 3857 try { 3858 pi.sendIntent(null, success ? 1 : 0, null, null, null); 3859 } catch (SendIntentException e) { 3860 Slog.w(TAG, e); 3861 } 3862 } 3863 }); 3864 } 3865 3866 /** 3867 * Blocking call to clear various types of cached data across the system 3868 * until the requested bytes are available. 3869 */ 3870 public void freeStorage(String volumeUuid, long bytes, int storageFlags) throws IOException { 3871 final StorageManager storage = mContext.getSystemService(StorageManager.class); 3872 final File file = storage.findPathForUuid(volumeUuid); 3873 if (file.getUsableSpace() >= bytes) return; 3874 3875 if (ENABLE_FREE_CACHE_V2) { 3876 final boolean aggressive = (storageFlags 3877 & StorageManager.FLAG_ALLOCATE_AGGRESSIVE) != 0; 3878 final boolean internalVolume = Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, 3879 volumeUuid); 3880 3881 // 1. Pre-flight to determine if we have any chance to succeed 3882 // 2. Consider preloaded data (after 1w honeymoon, unless aggressive) 3883 if (internalVolume && (aggressive || SystemProperties 3884 .getBoolean("persist.sys.preloads.file_cache_expired", false))) { 3885 deletePreloadsFileCache(); 3886 if (file.getUsableSpace() >= bytes) return; 3887 } 3888 3889 // 3. Consider parsed APK data (aggressive only) 3890 if (internalVolume && aggressive) { 3891 FileUtils.deleteContents(mCacheDir); 3892 if (file.getUsableSpace() >= bytes) return; 3893 } 3894 3895 // 4. Consider cached app data (above quotas) 3896 try { 3897 mInstaller.freeCache(volumeUuid, bytes, Installer.FLAG_FREE_CACHE_V2); 3898 } catch (InstallerException ignored) { 3899 } 3900 if (file.getUsableSpace() >= bytes) return; 3901 3902 // 5. Consider shared libraries with refcount=0 and age>2h 3903 // 6. Consider dexopt output (aggressive only) 3904 // 7. Consider ephemeral apps not used in last week 3905 3906 // 8. Consider cached app data (below quotas) 3907 try { 3908 mInstaller.freeCache(volumeUuid, bytes, Installer.FLAG_FREE_CACHE_V2 3909 | Installer.FLAG_FREE_CACHE_V2_DEFY_QUOTA); 3910 } catch (InstallerException ignored) { 3911 } 3912 if (file.getUsableSpace() >= bytes) return; 3913 3914 // 9. Consider DropBox entries 3915 // 10. Consider ephemeral cookies 3916 3917 } else { 3918 try { 3919 mInstaller.freeCache(volumeUuid, bytes, 0); 3920 } catch (InstallerException ignored) { 3921 } 3922 if (file.getUsableSpace() >= bytes) return; 3923 } 3924 3925 throw new IOException("Failed to free " + bytes + " on storage device at " + file); 3926 } 3927 3928 /** 3929 * Update given flags based on encryption status of current user. 3930 */ 3931 private int updateFlags(int flags, int userId) { 3932 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3933 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 3934 // Caller expressed an explicit opinion about what encryption 3935 // aware/unaware components they want to see, so fall through and 3936 // give them what they want 3937 } else { 3938 // Caller expressed no opinion, so match based on user state 3939 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 3940 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3941 } else { 3942 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 3943 } 3944 } 3945 return flags; 3946 } 3947 3948 private UserManagerInternal getUserManagerInternal() { 3949 if (mUserManagerInternal == null) { 3950 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 3951 } 3952 return mUserManagerInternal; 3953 } 3954 3955 private DeviceIdleController.LocalService getDeviceIdleController() { 3956 if (mDeviceIdleController == null) { 3957 mDeviceIdleController = 3958 LocalServices.getService(DeviceIdleController.LocalService.class); 3959 } 3960 return mDeviceIdleController; 3961 } 3962 3963 /** 3964 * Update given flags when being used to request {@link PackageInfo}. 3965 */ 3966 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3967 final boolean isCallerSystemUser = UserHandle.getCallingUserId() == UserHandle.USER_SYSTEM; 3968 boolean triaged = true; 3969 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3970 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3971 // Caller is asking for component details, so they'd better be 3972 // asking for specific encryption matching behavior, or be triaged 3973 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 3974 | PackageManager.MATCH_DIRECT_BOOT_AWARE 3975 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3976 triaged = false; 3977 } 3978 } 3979 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3980 | PackageManager.MATCH_SYSTEM_ONLY 3981 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3982 triaged = false; 3983 } 3984 if ((flags & PackageManager.MATCH_ANY_USER) != 0) { 3985 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 3986 "MATCH_ANY_USER flag requires INTERACT_ACROSS_USERS permission at " 3987 + Debug.getCallers(5)); 3988 } else if ((flags & PackageManager.MATCH_UNINSTALLED_PACKAGES) != 0 && isCallerSystemUser 3989 && sUserManager.hasManagedProfile(UserHandle.USER_SYSTEM)) { 3990 // If the caller wants all packages and has a restricted profile associated with it, 3991 // then match all users. This is to make sure that launchers that need to access work 3992 // profile apps don't start breaking. TODO: Remove this hack when launchers stop using 3993 // MATCH_UNINSTALLED_PACKAGES to query apps in other profiles. b/31000380 3994 flags |= PackageManager.MATCH_ANY_USER; 3995 } 3996 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3997 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3998 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3999 } 4000 return updateFlags(flags, userId); 4001 } 4002 4003 /** 4004 * Update given flags when being used to request {@link ApplicationInfo}. 4005 */ 4006 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 4007 return updateFlagsForPackage(flags, userId, cookie); 4008 } 4009 4010 /** 4011 * Update given flags when being used to request {@link ComponentInfo}. 4012 */ 4013 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 4014 if (cookie instanceof Intent) { 4015 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 4016 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 4017 } 4018 } 4019 4020 boolean triaged = true; 4021 // Caller is asking for component details, so they'd better be 4022 // asking for specific encryption matching behavior, or be triaged 4023 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 4024 | PackageManager.MATCH_DIRECT_BOOT_AWARE 4025 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 4026 triaged = false; 4027 } 4028 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 4029 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 4030 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 4031 } 4032 4033 return updateFlags(flags, userId); 4034 } 4035 4036 /** 4037 * Update given intent when being used to request {@link ResolveInfo}. 4038 */ 4039 private Intent updateIntentForResolve(Intent intent) { 4040 if (intent.getSelector() != null) { 4041 intent = intent.getSelector(); 4042 } 4043 if (DEBUG_PREFERRED) { 4044 intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4045 } 4046 return intent; 4047 } 4048 4049 /** 4050 * Update given flags when being used to request {@link ResolveInfo}. 4051 * <p>Instant apps are resolved specially, depending upon context. Minimally, 4052 * {@code}flags{@code} must have the {@link PackageManager#MATCH_INSTANT} 4053 * flag set. However, this flag is only honoured in three circumstances: 4054 * <ul> 4055 * <li>when called from a system process</li> 4056 * <li>when the caller holds the permission {@code android.permission.ACCESS_INSTANT_APPS}</li> 4057 * <li>when resolution occurs to start an activity with a {@code android.intent.action.VIEW} 4058 * action and a {@code android.intent.category.BROWSABLE} category</li> 4059 * </ul> 4060 */ 4061 int updateFlagsForResolve(int flags, int userId, Intent intent, int callingUid, 4062 boolean includeInstantApps) { 4063 // Safe mode means we shouldn't match any third-party components 4064 if (mSafeMode) { 4065 flags |= PackageManager.MATCH_SYSTEM_ONLY; 4066 } 4067 if (getInstantAppPackageName(callingUid) != null) { 4068 // But, ephemeral apps see both ephemeral and exposed, non-ephemeral components 4069 flags |= PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY; 4070 flags |= PackageManager.MATCH_INSTANT; 4071 } else { 4072 // Otherwise, prevent leaking ephemeral components 4073 final boolean isSpecialProcess = 4074 callingUid == Process.SYSTEM_UID 4075 || callingUid == Process.SHELL_UID 4076 || callingUid == 0; 4077 final boolean allowMatchInstant = 4078 (includeInstantApps 4079 && Intent.ACTION_VIEW.equals(intent.getAction()) 4080 && intent.hasCategory(Intent.CATEGORY_BROWSABLE) 4081 && hasWebURI(intent)) 4082 || isSpecialProcess 4083 || mContext.checkCallingOrSelfPermission( 4084 android.Manifest.permission.ACCESS_INSTANT_APPS) == PERMISSION_GRANTED; 4085 flags &= ~PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY; 4086 if (!allowMatchInstant) { 4087 flags &= ~PackageManager.MATCH_INSTANT; 4088 } 4089 } 4090 return updateFlagsForComponent(flags, userId, intent /*cookie*/); 4091 } 4092 4093 private ActivityInfo generateActivityInfo(ActivityInfo ai, int flags, PackageUserState state, 4094 int userId) { 4095 ActivityInfo ret = PackageParser.generateActivityInfo(ai, flags, state, userId); 4096 if (ret != null) { 4097 rebaseEnabledOverlays(ret.applicationInfo, userId); 4098 } 4099 return ret; 4100 } 4101 4102 private ActivityInfo generateActivityInfo(PackageParser.Activity a, int flags, 4103 PackageUserState state, int userId) { 4104 ActivityInfo ai = PackageParser.generateActivityInfo(a, flags, state, userId); 4105 if (ai != null) { 4106 rebaseEnabledOverlays(ai.applicationInfo, userId); 4107 } 4108 return ai; 4109 } 4110 4111 @Override 4112 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 4113 if (!sUserManager.exists(userId)) return null; 4114 flags = updateFlagsForComponent(flags, userId, component); 4115 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4116 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 4117 synchronized (mPackages) { 4118 PackageParser.Activity a = mActivities.mActivities.get(component); 4119 4120 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 4121 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 4122 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4123 if (ps == null) return null; 4124 return generateActivityInfo(a, flags, ps.readUserState(userId), userId); 4125 } 4126 if (mResolveComponentName.equals(component)) { 4127 return generateActivityInfo(mResolveActivity, flags, new PackageUserState(), 4128 userId); 4129 } 4130 } 4131 return null; 4132 } 4133 4134 @Override 4135 public boolean activitySupportsIntent(ComponentName component, Intent intent, 4136 String resolvedType) { 4137 synchronized (mPackages) { 4138 if (component.equals(mResolveComponentName)) { 4139 // The resolver supports EVERYTHING! 4140 return true; 4141 } 4142 PackageParser.Activity a = mActivities.mActivities.get(component); 4143 if (a == null) { 4144 return false; 4145 } 4146 for (int i=0; i<a.intents.size(); i++) { 4147 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 4148 intent.getData(), intent.getCategories(), TAG) >= 0) { 4149 return true; 4150 } 4151 } 4152 return false; 4153 } 4154 } 4155 4156 @Override 4157 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 4158 if (!sUserManager.exists(userId)) return null; 4159 flags = updateFlagsForComponent(flags, userId, component); 4160 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4161 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 4162 synchronized (mPackages) { 4163 PackageParser.Activity a = mReceivers.mActivities.get(component); 4164 if (DEBUG_PACKAGE_INFO) Log.v( 4165 TAG, "getReceiverInfo " + component + ": " + a); 4166 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 4167 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4168 if (ps == null) return null; 4169 return generateActivityInfo(a, flags, ps.readUserState(userId), userId); 4170 } 4171 } 4172 return null; 4173 } 4174 4175 @Override 4176 public ParceledListSlice<SharedLibraryInfo> getSharedLibraries(int flags, int userId) { 4177 if (!sUserManager.exists(userId)) return null; 4178 Preconditions.checkArgumentNonnegative(userId, "userId must be >= 0"); 4179 4180 flags = updateFlagsForPackage(flags, userId, null); 4181 4182 final boolean canSeeStaticLibraries = 4183 mContext.checkCallingOrSelfPermission(INSTALL_PACKAGES) 4184 == PERMISSION_GRANTED 4185 || mContext.checkCallingOrSelfPermission(DELETE_PACKAGES) 4186 == PERMISSION_GRANTED 4187 || mContext.checkCallingOrSelfPermission(REQUEST_INSTALL_PACKAGES) 4188 == PERMISSION_GRANTED 4189 || mContext.checkCallingOrSelfPermission(REQUEST_DELETE_PACKAGES) 4190 == PERMISSION_GRANTED; 4191 4192 synchronized (mPackages) { 4193 List<SharedLibraryInfo> result = null; 4194 4195 final int libCount = mSharedLibraries.size(); 4196 for (int i = 0; i < libCount; i++) { 4197 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 4198 if (versionedLib == null) { 4199 continue; 4200 } 4201 4202 final int versionCount = versionedLib.size(); 4203 for (int j = 0; j < versionCount; j++) { 4204 SharedLibraryInfo libInfo = versionedLib.valueAt(j).info; 4205 if (!canSeeStaticLibraries && libInfo.isStatic()) { 4206 break; 4207 } 4208 final long identity = Binder.clearCallingIdentity(); 4209 try { 4210 // TODO: We will change version code to long, so in the new API it is long 4211 PackageInfo packageInfo = getPackageInfoVersioned( 4212 libInfo.getDeclaringPackage(), flags, userId); 4213 if (packageInfo == null) { 4214 continue; 4215 } 4216 } finally { 4217 Binder.restoreCallingIdentity(identity); 4218 } 4219 4220 SharedLibraryInfo resLibInfo = new SharedLibraryInfo(libInfo.getName(), 4221 // TODO: Remove cast for lib version once internally we support longs. 4222 (int) libInfo.getVersion(), libInfo.getType(), 4223 libInfo.getDeclaringPackage(), getPackagesUsingSharedLibraryLPr(libInfo, 4224 flags, userId)); 4225 4226 if (result == null) { 4227 result = new ArrayList<>(); 4228 } 4229 result.add(resLibInfo); 4230 } 4231 } 4232 4233 return result != null ? new ParceledListSlice<>(result) : null; 4234 } 4235 } 4236 4237 private List<VersionedPackage> getPackagesUsingSharedLibraryLPr( 4238 SharedLibraryInfo libInfo, int flags, int userId) { 4239 List<VersionedPackage> versionedPackages = null; 4240 final int packageCount = mSettings.mPackages.size(); 4241 for (int i = 0; i < packageCount; i++) { 4242 PackageSetting ps = mSettings.mPackages.valueAt(i); 4243 4244 if (ps == null) { 4245 continue; 4246 } 4247 4248 if (!ps.getUserState().get(userId).isAvailable(flags)) { 4249 continue; 4250 } 4251 4252 final String libName = libInfo.getName(); 4253 if (libInfo.isStatic()) { 4254 final int libIdx = ArrayUtils.indexOf(ps.usesStaticLibraries, libName); 4255 if (libIdx < 0) { 4256 continue; 4257 } 4258 if (ps.usesStaticLibrariesVersions[libIdx] != libInfo.getVersion()) { 4259 continue; 4260 } 4261 if (versionedPackages == null) { 4262 versionedPackages = new ArrayList<>(); 4263 } 4264 // If the dependent is a static shared lib, use the public package name 4265 String dependentPackageName = ps.name; 4266 if (ps.pkg != null && ps.pkg.applicationInfo.isStaticSharedLibrary()) { 4267 dependentPackageName = ps.pkg.manifestPackageName; 4268 } 4269 versionedPackages.add(new VersionedPackage(dependentPackageName, ps.versionCode)); 4270 } else if (ps.pkg != null) { 4271 if (ArrayUtils.contains(ps.pkg.usesLibraries, libName) 4272 || ArrayUtils.contains(ps.pkg.usesOptionalLibraries, libName)) { 4273 if (versionedPackages == null) { 4274 versionedPackages = new ArrayList<>(); 4275 } 4276 versionedPackages.add(new VersionedPackage(ps.name, ps.versionCode)); 4277 } 4278 } 4279 } 4280 4281 return versionedPackages; 4282 } 4283 4284 @Override 4285 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 4286 if (!sUserManager.exists(userId)) return null; 4287 flags = updateFlagsForComponent(flags, userId, component); 4288 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4289 false /* requireFullPermission */, false /* checkShell */, "get service info"); 4290 synchronized (mPackages) { 4291 PackageParser.Service s = mServices.mServices.get(component); 4292 if (DEBUG_PACKAGE_INFO) Log.v( 4293 TAG, "getServiceInfo " + component + ": " + s); 4294 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 4295 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4296 if (ps == null) return null; 4297 ServiceInfo si = PackageParser.generateServiceInfo(s, flags, 4298 ps.readUserState(userId), userId); 4299 if (si != null) { 4300 rebaseEnabledOverlays(si.applicationInfo, userId); 4301 } 4302 return si; 4303 } 4304 } 4305 return null; 4306 } 4307 4308 @Override 4309 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 4310 if (!sUserManager.exists(userId)) return null; 4311 flags = updateFlagsForComponent(flags, userId, component); 4312 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4313 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 4314 synchronized (mPackages) { 4315 PackageParser.Provider p = mProviders.mProviders.get(component); 4316 if (DEBUG_PACKAGE_INFO) Log.v( 4317 TAG, "getProviderInfo " + component + ": " + p); 4318 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 4319 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4320 if (ps == null) return null; 4321 ProviderInfo pi = PackageParser.generateProviderInfo(p, flags, 4322 ps.readUserState(userId), userId); 4323 if (pi != null) { 4324 rebaseEnabledOverlays(pi.applicationInfo, userId); 4325 } 4326 return pi; 4327 } 4328 } 4329 return null; 4330 } 4331 4332 @Override 4333 public String[] getSystemSharedLibraryNames() { 4334 synchronized (mPackages) { 4335 Set<String> libs = null; 4336 final int libCount = mSharedLibraries.size(); 4337 for (int i = 0; i < libCount; i++) { 4338 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 4339 if (versionedLib == null) { 4340 continue; 4341 } 4342 final int versionCount = versionedLib.size(); 4343 for (int j = 0; j < versionCount; j++) { 4344 SharedLibraryEntry libEntry = versionedLib.valueAt(j); 4345 if (!libEntry.info.isStatic()) { 4346 if (libs == null) { 4347 libs = new ArraySet<>(); 4348 } 4349 libs.add(libEntry.info.getName()); 4350 break; 4351 } 4352 PackageSetting ps = mSettings.getPackageLPr(libEntry.apk); 4353 if (ps != null && !filterSharedLibPackageLPr(ps, Binder.getCallingUid(), 4354 UserHandle.getUserId(Binder.getCallingUid()))) { 4355 if (libs == null) { 4356 libs = new ArraySet<>(); 4357 } 4358 libs.add(libEntry.info.getName()); 4359 break; 4360 } 4361 } 4362 } 4363 4364 if (libs != null) { 4365 String[] libsArray = new String[libs.size()]; 4366 libs.toArray(libsArray); 4367 return libsArray; 4368 } 4369 4370 return null; 4371 } 4372 } 4373 4374 @Override 4375 public @NonNull String getServicesSystemSharedLibraryPackageName() { 4376 synchronized (mPackages) { 4377 return mServicesSystemSharedLibraryPackageName; 4378 } 4379 } 4380 4381 @Override 4382 public @NonNull String getSharedSystemSharedLibraryPackageName() { 4383 synchronized (mPackages) { 4384 return mSharedSystemSharedLibraryPackageName; 4385 } 4386 } 4387 4388 private void updateSequenceNumberLP(String packageName, int[] userList) { 4389 for (int i = userList.length - 1; i >= 0; --i) { 4390 final int userId = userList[i]; 4391 SparseArray<String> changedPackages = mChangedPackages.get(userId); 4392 if (changedPackages == null) { 4393 changedPackages = new SparseArray<>(); 4394 mChangedPackages.put(userId, changedPackages); 4395 } 4396 Map<String, Integer> sequenceNumbers = mChangedPackagesSequenceNumbers.get(userId); 4397 if (sequenceNumbers == null) { 4398 sequenceNumbers = new HashMap<>(); 4399 mChangedPackagesSequenceNumbers.put(userId, sequenceNumbers); 4400 } 4401 final Integer sequenceNumber = sequenceNumbers.get(packageName); 4402 if (sequenceNumber != null) { 4403 changedPackages.remove(sequenceNumber); 4404 } 4405 changedPackages.put(mChangedPackagesSequenceNumber, packageName); 4406 sequenceNumbers.put(packageName, mChangedPackagesSequenceNumber); 4407 } 4408 mChangedPackagesSequenceNumber++; 4409 } 4410 4411 @Override 4412 public ChangedPackages getChangedPackages(int sequenceNumber, int userId) { 4413 synchronized (mPackages) { 4414 if (sequenceNumber >= mChangedPackagesSequenceNumber) { 4415 return null; 4416 } 4417 final SparseArray<String> changedPackages = mChangedPackages.get(userId); 4418 if (changedPackages == null) { 4419 return null; 4420 } 4421 final List<String> packageNames = 4422 new ArrayList<>(mChangedPackagesSequenceNumber - sequenceNumber); 4423 for (int i = sequenceNumber; i < mChangedPackagesSequenceNumber; i++) { 4424 final String packageName = changedPackages.get(i); 4425 if (packageName != null) { 4426 packageNames.add(packageName); 4427 } 4428 } 4429 return packageNames.isEmpty() 4430 ? null : new ChangedPackages(mChangedPackagesSequenceNumber, packageNames); 4431 } 4432 } 4433 4434 @Override 4435 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 4436 ArrayList<FeatureInfo> res; 4437 synchronized (mAvailableFeatures) { 4438 res = new ArrayList<>(mAvailableFeatures.size() + 1); 4439 res.addAll(mAvailableFeatures.values()); 4440 } 4441 final FeatureInfo fi = new FeatureInfo(); 4442 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 4443 FeatureInfo.GL_ES_VERSION_UNDEFINED); 4444 res.add(fi); 4445 4446 return new ParceledListSlice<>(res); 4447 } 4448 4449 @Override 4450 public boolean hasSystemFeature(String name, int version) { 4451 synchronized (mAvailableFeatures) { 4452 final FeatureInfo feat = mAvailableFeatures.get(name); 4453 if (feat == null) { 4454 return false; 4455 } else { 4456 return feat.version >= version; 4457 } 4458 } 4459 } 4460 4461 @Override 4462 public int checkPermission(String permName, String pkgName, int userId) { 4463 if (!sUserManager.exists(userId)) { 4464 return PackageManager.PERMISSION_DENIED; 4465 } 4466 4467 synchronized (mPackages) { 4468 final PackageParser.Package p = mPackages.get(pkgName); 4469 if (p != null && p.mExtras != null) { 4470 final PackageSetting ps = (PackageSetting) p.mExtras; 4471 final PermissionsState permissionsState = ps.getPermissionsState(); 4472 if (permissionsState.hasPermission(permName, userId)) { 4473 return PackageManager.PERMISSION_GRANTED; 4474 } 4475 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 4476 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 4477 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 4478 return PackageManager.PERMISSION_GRANTED; 4479 } 4480 } 4481 } 4482 4483 return PackageManager.PERMISSION_DENIED; 4484 } 4485 4486 @Override 4487 public int checkUidPermission(String permName, int uid) { 4488 final int userId = UserHandle.getUserId(uid); 4489 4490 if (!sUserManager.exists(userId)) { 4491 return PackageManager.PERMISSION_DENIED; 4492 } 4493 4494 synchronized (mPackages) { 4495 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4496 if (obj != null) { 4497 final SettingBase ps = (SettingBase) obj; 4498 final PermissionsState permissionsState = ps.getPermissionsState(); 4499 if (permissionsState.hasPermission(permName, userId)) { 4500 return PackageManager.PERMISSION_GRANTED; 4501 } 4502 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 4503 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 4504 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 4505 return PackageManager.PERMISSION_GRANTED; 4506 } 4507 } else { 4508 ArraySet<String> perms = mSystemPermissions.get(uid); 4509 if (perms != null) { 4510 if (perms.contains(permName)) { 4511 return PackageManager.PERMISSION_GRANTED; 4512 } 4513 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 4514 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 4515 return PackageManager.PERMISSION_GRANTED; 4516 } 4517 } 4518 } 4519 } 4520 4521 return PackageManager.PERMISSION_DENIED; 4522 } 4523 4524 @Override 4525 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 4526 if (UserHandle.getCallingUserId() != userId) { 4527 mContext.enforceCallingPermission( 4528 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4529 "isPermissionRevokedByPolicy for user " + userId); 4530 } 4531 4532 if (checkPermission(permission, packageName, userId) 4533 == PackageManager.PERMISSION_GRANTED) { 4534 return false; 4535 } 4536 4537 final long identity = Binder.clearCallingIdentity(); 4538 try { 4539 final int flags = getPermissionFlags(permission, packageName, userId); 4540 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 4541 } finally { 4542 Binder.restoreCallingIdentity(identity); 4543 } 4544 } 4545 4546 @Override 4547 public String getPermissionControllerPackageName() { 4548 synchronized (mPackages) { 4549 return mRequiredInstallerPackage; 4550 } 4551 } 4552 4553 /** 4554 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 4555 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 4556 * @param checkShell whether to prevent shell from access if there's a debugging restriction 4557 * @param message the message to log on security exception 4558 */ 4559 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 4560 boolean checkShell, String message) { 4561 if (userId < 0) { 4562 throw new IllegalArgumentException("Invalid userId " + userId); 4563 } 4564 if (checkShell) { 4565 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 4566 } 4567 if (userId == UserHandle.getUserId(callingUid)) return; 4568 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 4569 if (requireFullPermission) { 4570 mContext.enforceCallingOrSelfPermission( 4571 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 4572 } else { 4573 try { 4574 mContext.enforceCallingOrSelfPermission( 4575 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 4576 } catch (SecurityException se) { 4577 mContext.enforceCallingOrSelfPermission( 4578 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 4579 } 4580 } 4581 } 4582 } 4583 4584 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 4585 if (callingUid == Process.SHELL_UID) { 4586 if (userHandle >= 0 4587 && sUserManager.hasUserRestriction(restriction, userHandle)) { 4588 throw new SecurityException("Shell does not have permission to access user " 4589 + userHandle); 4590 } else if (userHandle < 0) { 4591 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 4592 + Debug.getCallers(3)); 4593 } 4594 } 4595 } 4596 4597 private BasePermission findPermissionTreeLP(String permName) { 4598 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 4599 if (permName.startsWith(bp.name) && 4600 permName.length() > bp.name.length() && 4601 permName.charAt(bp.name.length()) == '.') { 4602 return bp; 4603 } 4604 } 4605 return null; 4606 } 4607 4608 private BasePermission checkPermissionTreeLP(String permName) { 4609 if (permName != null) { 4610 BasePermission bp = findPermissionTreeLP(permName); 4611 if (bp != null) { 4612 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 4613 return bp; 4614 } 4615 throw new SecurityException("Calling uid " 4616 + Binder.getCallingUid() 4617 + " is not allowed to add to permission tree " 4618 + bp.name + " owned by uid " + bp.uid); 4619 } 4620 } 4621 throw new SecurityException("No permission tree found for " + permName); 4622 } 4623 4624 static boolean compareStrings(CharSequence s1, CharSequence s2) { 4625 if (s1 == null) { 4626 return s2 == null; 4627 } 4628 if (s2 == null) { 4629 return false; 4630 } 4631 if (s1.getClass() != s2.getClass()) { 4632 return false; 4633 } 4634 return s1.equals(s2); 4635 } 4636 4637 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 4638 if (pi1.icon != pi2.icon) return false; 4639 if (pi1.logo != pi2.logo) return false; 4640 if (pi1.protectionLevel != pi2.protectionLevel) return false; 4641 if (!compareStrings(pi1.name, pi2.name)) return false; 4642 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 4643 // We'll take care of setting this one. 4644 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 4645 // These are not currently stored in settings. 4646 //if (!compareStrings(pi1.group, pi2.group)) return false; 4647 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 4648 //if (pi1.labelRes != pi2.labelRes) return false; 4649 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 4650 return true; 4651 } 4652 4653 int permissionInfoFootprint(PermissionInfo info) { 4654 int size = info.name.length(); 4655 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 4656 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 4657 return size; 4658 } 4659 4660 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 4661 int size = 0; 4662 for (BasePermission perm : mSettings.mPermissions.values()) { 4663 if (perm.uid == tree.uid) { 4664 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 4665 } 4666 } 4667 return size; 4668 } 4669 4670 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 4671 // We calculate the max size of permissions defined by this uid and throw 4672 // if that plus the size of 'info' would exceed our stated maximum. 4673 if (tree.uid != Process.SYSTEM_UID) { 4674 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 4675 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 4676 throw new SecurityException("Permission tree size cap exceeded"); 4677 } 4678 } 4679 } 4680 4681 boolean addPermissionLocked(PermissionInfo info, boolean async) { 4682 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 4683 throw new SecurityException("Label must be specified in permission"); 4684 } 4685 BasePermission tree = checkPermissionTreeLP(info.name); 4686 BasePermission bp = mSettings.mPermissions.get(info.name); 4687 boolean added = bp == null; 4688 boolean changed = true; 4689 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 4690 if (added) { 4691 enforcePermissionCapLocked(info, tree); 4692 bp = new BasePermission(info.name, tree.sourcePackage, 4693 BasePermission.TYPE_DYNAMIC); 4694 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 4695 throw new SecurityException( 4696 "Not allowed to modify non-dynamic permission " 4697 + info.name); 4698 } else { 4699 if (bp.protectionLevel == fixedLevel 4700 && bp.perm.owner.equals(tree.perm.owner) 4701 && bp.uid == tree.uid 4702 && comparePermissionInfos(bp.perm.info, info)) { 4703 changed = false; 4704 } 4705 } 4706 bp.protectionLevel = fixedLevel; 4707 info = new PermissionInfo(info); 4708 info.protectionLevel = fixedLevel; 4709 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 4710 bp.perm.info.packageName = tree.perm.info.packageName; 4711 bp.uid = tree.uid; 4712 if (added) { 4713 mSettings.mPermissions.put(info.name, bp); 4714 } 4715 if (changed) { 4716 if (!async) { 4717 mSettings.writeLPr(); 4718 } else { 4719 scheduleWriteSettingsLocked(); 4720 } 4721 } 4722 return added; 4723 } 4724 4725 @Override 4726 public boolean addPermission(PermissionInfo info) { 4727 synchronized (mPackages) { 4728 return addPermissionLocked(info, false); 4729 } 4730 } 4731 4732 @Override 4733 public boolean addPermissionAsync(PermissionInfo info) { 4734 synchronized (mPackages) { 4735 return addPermissionLocked(info, true); 4736 } 4737 } 4738 4739 @Override 4740 public void removePermission(String name) { 4741 synchronized (mPackages) { 4742 checkPermissionTreeLP(name); 4743 BasePermission bp = mSettings.mPermissions.get(name); 4744 if (bp != null) { 4745 if (bp.type != BasePermission.TYPE_DYNAMIC) { 4746 throw new SecurityException( 4747 "Not allowed to modify non-dynamic permission " 4748 + name); 4749 } 4750 mSettings.mPermissions.remove(name); 4751 mSettings.writeLPr(); 4752 } 4753 } 4754 } 4755 4756 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 4757 BasePermission bp) { 4758 int index = pkg.requestedPermissions.indexOf(bp.name); 4759 if (index == -1) { 4760 throw new SecurityException("Package " + pkg.packageName 4761 + " has not requested permission " + bp.name); 4762 } 4763 if (!bp.isRuntime() && !bp.isDevelopment()) { 4764 throw new SecurityException("Permission " + bp.name 4765 + " is not a changeable permission type"); 4766 } 4767 } 4768 4769 @Override 4770 public void grantRuntimePermission(String packageName, String name, final int userId) { 4771 grantRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 4772 } 4773 4774 private void grantRuntimePermission(String packageName, String name, final int userId, 4775 boolean overridePolicy) { 4776 if (!sUserManager.exists(userId)) { 4777 Log.e(TAG, "No such user:" + userId); 4778 return; 4779 } 4780 4781 mContext.enforceCallingOrSelfPermission( 4782 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 4783 "grantRuntimePermission"); 4784 4785 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4786 true /* requireFullPermission */, true /* checkShell */, 4787 "grantRuntimePermission"); 4788 4789 final int uid; 4790 final SettingBase sb; 4791 4792 synchronized (mPackages) { 4793 final PackageParser.Package pkg = mPackages.get(packageName); 4794 if (pkg == null) { 4795 throw new IllegalArgumentException("Unknown package: " + packageName); 4796 } 4797 4798 final BasePermission bp = mSettings.mPermissions.get(name); 4799 if (bp == null) { 4800 throw new IllegalArgumentException("Unknown permission: " + name); 4801 } 4802 4803 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4804 4805 // If a permission review is required for legacy apps we represent 4806 // their permissions as always granted runtime ones since we need 4807 // to keep the review required permission flag per user while an 4808 // install permission's state is shared across all users. 4809 if (mPermissionReviewRequired 4810 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4811 && bp.isRuntime()) { 4812 return; 4813 } 4814 4815 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 4816 sb = (SettingBase) pkg.mExtras; 4817 if (sb == null) { 4818 throw new IllegalArgumentException("Unknown package: " + packageName); 4819 } 4820 4821 final PermissionsState permissionsState = sb.getPermissionsState(); 4822 4823 final int flags = permissionsState.getPermissionFlags(name, userId); 4824 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4825 throw new SecurityException("Cannot grant system fixed permission " 4826 + name + " for package " + packageName); 4827 } 4828 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 4829 throw new SecurityException("Cannot grant policy fixed permission " 4830 + name + " for package " + packageName); 4831 } 4832 4833 if (bp.isDevelopment()) { 4834 // Development permissions must be handled specially, since they are not 4835 // normal runtime permissions. For now they apply to all users. 4836 if (permissionsState.grantInstallPermission(bp) != 4837 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4838 scheduleWriteSettingsLocked(); 4839 } 4840 return; 4841 } 4842 4843 final PackageSetting ps = mSettings.mPackages.get(packageName); 4844 if (ps.getInstantApp(userId) && !bp.isInstant()) { 4845 throw new SecurityException("Cannot grant non-ephemeral permission" 4846 + name + " for package " + packageName); 4847 } 4848 4849 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 4850 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 4851 return; 4852 } 4853 4854 final int result = permissionsState.grantRuntimePermission(bp, userId); 4855 switch (result) { 4856 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 4857 return; 4858 } 4859 4860 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 4861 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4862 mHandler.post(new Runnable() { 4863 @Override 4864 public void run() { 4865 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 4866 } 4867 }); 4868 } 4869 break; 4870 } 4871 4872 if (bp.isRuntime()) { 4873 logPermissionGranted(mContext, name, packageName); 4874 } 4875 4876 mOnPermissionChangeListeners.onPermissionsChanged(uid); 4877 4878 // Not critical if that is lost - app has to request again. 4879 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4880 } 4881 4882 // Only need to do this if user is initialized. Otherwise it's a new user 4883 // and there are no processes running as the user yet and there's no need 4884 // to make an expensive call to remount processes for the changed permissions. 4885 if (READ_EXTERNAL_STORAGE.equals(name) 4886 || WRITE_EXTERNAL_STORAGE.equals(name)) { 4887 final long token = Binder.clearCallingIdentity(); 4888 try { 4889 if (sUserManager.isInitialized(userId)) { 4890 StorageManagerInternal storageManagerInternal = LocalServices.getService( 4891 StorageManagerInternal.class); 4892 storageManagerInternal.onExternalStoragePolicyChanged(uid, packageName); 4893 } 4894 } finally { 4895 Binder.restoreCallingIdentity(token); 4896 } 4897 } 4898 } 4899 4900 @Override 4901 public void revokeRuntimePermission(String packageName, String name, int userId) { 4902 revokeRuntimePermission(packageName, name, userId, false /* Only if not fixed by policy */); 4903 } 4904 4905 private void revokeRuntimePermission(String packageName, String name, int userId, 4906 boolean overridePolicy) { 4907 if (!sUserManager.exists(userId)) { 4908 Log.e(TAG, "No such user:" + userId); 4909 return; 4910 } 4911 4912 mContext.enforceCallingOrSelfPermission( 4913 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 4914 "revokeRuntimePermission"); 4915 4916 enforceCrossUserPermission(Binder.getCallingUid(), userId, 4917 true /* requireFullPermission */, true /* checkShell */, 4918 "revokeRuntimePermission"); 4919 4920 final int appId; 4921 4922 synchronized (mPackages) { 4923 final PackageParser.Package pkg = mPackages.get(packageName); 4924 if (pkg == null) { 4925 throw new IllegalArgumentException("Unknown package: " + packageName); 4926 } 4927 4928 final BasePermission bp = mSettings.mPermissions.get(name); 4929 if (bp == null) { 4930 throw new IllegalArgumentException("Unknown permission: " + name); 4931 } 4932 4933 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 4934 4935 // If a permission review is required for legacy apps we represent 4936 // their permissions as always granted runtime ones since we need 4937 // to keep the review required permission flag per user while an 4938 // install permission's state is shared across all users. 4939 if (mPermissionReviewRequired 4940 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 4941 && bp.isRuntime()) { 4942 return; 4943 } 4944 4945 SettingBase sb = (SettingBase) pkg.mExtras; 4946 if (sb == null) { 4947 throw new IllegalArgumentException("Unknown package: " + packageName); 4948 } 4949 4950 final PermissionsState permissionsState = sb.getPermissionsState(); 4951 4952 final int flags = permissionsState.getPermissionFlags(name, userId); 4953 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 4954 throw new SecurityException("Cannot revoke system fixed permission " 4955 + name + " for package " + packageName); 4956 } 4957 if (!overridePolicy && (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0) { 4958 throw new SecurityException("Cannot revoke policy fixed permission " 4959 + name + " for package " + packageName); 4960 } 4961 4962 if (bp.isDevelopment()) { 4963 // Development permissions must be handled specially, since they are not 4964 // normal runtime permissions. For now they apply to all users. 4965 if (permissionsState.revokeInstallPermission(bp) != 4966 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4967 scheduleWriteSettingsLocked(); 4968 } 4969 return; 4970 } 4971 4972 if (permissionsState.revokeRuntimePermission(bp, userId) == 4973 PermissionsState.PERMISSION_OPERATION_FAILURE) { 4974 return; 4975 } 4976 4977 if (bp.isRuntime()) { 4978 logPermissionRevoked(mContext, name, packageName); 4979 } 4980 4981 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 4982 4983 // Critical, after this call app should never have the permission. 4984 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 4985 4986 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 4987 } 4988 4989 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 4990 } 4991 4992 /** 4993 * Get the first event id for the permission. 4994 * 4995 * <p>There are four events for each permission: <ul> 4996 * <li>Request permission: first id + 0</li> 4997 * <li>Grant permission: first id + 1</li> 4998 * <li>Request for permission denied: first id + 2</li> 4999 * <li>Revoke permission: first id + 3</li> 5000 * </ul></p> 5001 * 5002 * @param name name of the permission 5003 * 5004 * @return The first event id for the permission 5005 */ 5006 private static int getBaseEventId(@NonNull String name) { 5007 int eventIdIndex = ALL_DANGEROUS_PERMISSIONS.indexOf(name); 5008 5009 if (eventIdIndex == -1) { 5010 if (AppOpsManager.permissionToOpCode(name) == AppOpsManager.OP_NONE 5011 || "user".equals(Build.TYPE)) { 5012 Log.i(TAG, "Unknown permission " + name); 5013 5014 return MetricsEvent.ACTION_PERMISSION_REQUEST_UNKNOWN; 5015 } else { 5016 // Most likely #ALL_DANGEROUS_PERMISSIONS needs to be updated. 5017 // 5018 // Also update 5019 // - EventLogger#ALL_DANGEROUS_PERMISSIONS 5020 // - metrics_constants.proto 5021 throw new IllegalStateException("Unknown permission " + name); 5022 } 5023 } 5024 5025 return MetricsEvent.ACTION_PERMISSION_REQUEST_READ_CALENDAR + eventIdIndex * 4; 5026 } 5027 5028 /** 5029 * Log that a permission was revoked. 5030 * 5031 * @param context Context of the caller 5032 * @param name name of the permission 5033 * @param packageName package permission if for 5034 */ 5035 private static void logPermissionRevoked(@NonNull Context context, @NonNull String name, 5036 @NonNull String packageName) { 5037 MetricsLogger.action(context, getBaseEventId(name) + 3, packageName); 5038 } 5039 5040 /** 5041 * Log that a permission request was granted. 5042 * 5043 * @param context Context of the caller 5044 * @param name name of the permission 5045 * @param packageName package permission if for 5046 */ 5047 private static void logPermissionGranted(@NonNull Context context, @NonNull String name, 5048 @NonNull String packageName) { 5049 MetricsLogger.action(context, getBaseEventId(name) + 1, packageName); 5050 } 5051 5052 @Override 5053 public void resetRuntimePermissions() { 5054 mContext.enforceCallingOrSelfPermission( 5055 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 5056 "revokeRuntimePermission"); 5057 5058 int callingUid = Binder.getCallingUid(); 5059 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 5060 mContext.enforceCallingOrSelfPermission( 5061 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 5062 "resetRuntimePermissions"); 5063 } 5064 5065 synchronized (mPackages) { 5066 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 5067 for (int userId : UserManagerService.getInstance().getUserIds()) { 5068 final int packageCount = mPackages.size(); 5069 for (int i = 0; i < packageCount; i++) { 5070 PackageParser.Package pkg = mPackages.valueAt(i); 5071 if (!(pkg.mExtras instanceof PackageSetting)) { 5072 continue; 5073 } 5074 PackageSetting ps = (PackageSetting) pkg.mExtras; 5075 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 5076 } 5077 } 5078 } 5079 } 5080 5081 @Override 5082 public int getPermissionFlags(String name, String packageName, int userId) { 5083 if (!sUserManager.exists(userId)) { 5084 return 0; 5085 } 5086 5087 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 5088 5089 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5090 true /* requireFullPermission */, false /* checkShell */, 5091 "getPermissionFlags"); 5092 5093 synchronized (mPackages) { 5094 final PackageParser.Package pkg = mPackages.get(packageName); 5095 if (pkg == null) { 5096 return 0; 5097 } 5098 5099 final BasePermission bp = mSettings.mPermissions.get(name); 5100 if (bp == null) { 5101 return 0; 5102 } 5103 5104 SettingBase sb = (SettingBase) pkg.mExtras; 5105 if (sb == null) { 5106 return 0; 5107 } 5108 5109 PermissionsState permissionsState = sb.getPermissionsState(); 5110 return permissionsState.getPermissionFlags(name, userId); 5111 } 5112 } 5113 5114 @Override 5115 public void updatePermissionFlags(String name, String packageName, int flagMask, 5116 int flagValues, int userId) { 5117 if (!sUserManager.exists(userId)) { 5118 return; 5119 } 5120 5121 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 5122 5123 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5124 true /* requireFullPermission */, true /* checkShell */, 5125 "updatePermissionFlags"); 5126 5127 // Only the system can change these flags and nothing else. 5128 if (getCallingUid() != Process.SYSTEM_UID) { 5129 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5130 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5131 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 5132 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 5133 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 5134 } 5135 5136 synchronized (mPackages) { 5137 final PackageParser.Package pkg = mPackages.get(packageName); 5138 if (pkg == null) { 5139 throw new IllegalArgumentException("Unknown package: " + packageName); 5140 } 5141 5142 final BasePermission bp = mSettings.mPermissions.get(name); 5143 if (bp == null) { 5144 throw new IllegalArgumentException("Unknown permission: " + name); 5145 } 5146 5147 SettingBase sb = (SettingBase) pkg.mExtras; 5148 if (sb == null) { 5149 throw new IllegalArgumentException("Unknown package: " + packageName); 5150 } 5151 5152 PermissionsState permissionsState = sb.getPermissionsState(); 5153 5154 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 5155 5156 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 5157 // Install and runtime permissions are stored in different places, 5158 // so figure out what permission changed and persist the change. 5159 if (permissionsState.getInstallPermissionState(name) != null) { 5160 scheduleWriteSettingsLocked(); 5161 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 5162 || hadState) { 5163 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 5164 } 5165 } 5166 } 5167 } 5168 5169 /** 5170 * Update the permission flags for all packages and runtime permissions of a user in order 5171 * to allow device or profile owner to remove POLICY_FIXED. 5172 */ 5173 @Override 5174 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 5175 if (!sUserManager.exists(userId)) { 5176 return; 5177 } 5178 5179 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 5180 5181 enforceCrossUserPermission(Binder.getCallingUid(), userId, 5182 true /* requireFullPermission */, true /* checkShell */, 5183 "updatePermissionFlagsForAllApps"); 5184 5185 // Only the system can change system fixed flags. 5186 if (getCallingUid() != Process.SYSTEM_UID) { 5187 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5188 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 5189 } 5190 5191 synchronized (mPackages) { 5192 boolean changed = false; 5193 final int packageCount = mPackages.size(); 5194 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 5195 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 5196 SettingBase sb = (SettingBase) pkg.mExtras; 5197 if (sb == null) { 5198 continue; 5199 } 5200 PermissionsState permissionsState = sb.getPermissionsState(); 5201 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 5202 userId, flagMask, flagValues); 5203 } 5204 if (changed) { 5205 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 5206 } 5207 } 5208 } 5209 5210 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 5211 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 5212 != PackageManager.PERMISSION_GRANTED 5213 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 5214 != PackageManager.PERMISSION_GRANTED) { 5215 throw new SecurityException(message + " requires " 5216 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 5217 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 5218 } 5219 } 5220 5221 @Override 5222 public boolean shouldShowRequestPermissionRationale(String permissionName, 5223 String packageName, int userId) { 5224 if (UserHandle.getCallingUserId() != userId) { 5225 mContext.enforceCallingPermission( 5226 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 5227 "canShowRequestPermissionRationale for user " + userId); 5228 } 5229 5230 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 5231 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 5232 return false; 5233 } 5234 5235 if (checkPermission(permissionName, packageName, userId) 5236 == PackageManager.PERMISSION_GRANTED) { 5237 return false; 5238 } 5239 5240 final int flags; 5241 5242 final long identity = Binder.clearCallingIdentity(); 5243 try { 5244 flags = getPermissionFlags(permissionName, 5245 packageName, userId); 5246 } finally { 5247 Binder.restoreCallingIdentity(identity); 5248 } 5249 5250 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 5251 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 5252 | PackageManager.FLAG_PERMISSION_USER_FIXED; 5253 5254 if ((flags & fixedFlags) != 0) { 5255 return false; 5256 } 5257 5258 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 5259 } 5260 5261 @Override 5262 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 5263 mContext.enforceCallingOrSelfPermission( 5264 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 5265 "addOnPermissionsChangeListener"); 5266 5267 synchronized (mPackages) { 5268 mOnPermissionChangeListeners.addListenerLocked(listener); 5269 } 5270 } 5271 5272 @Override 5273 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 5274 synchronized (mPackages) { 5275 mOnPermissionChangeListeners.removeListenerLocked(listener); 5276 } 5277 } 5278 5279 @Override 5280 public boolean isProtectedBroadcast(String actionName) { 5281 synchronized (mPackages) { 5282 if (mProtectedBroadcasts.contains(actionName)) { 5283 return true; 5284 } else if (actionName != null) { 5285 // TODO: remove these terrible hacks 5286 if (actionName.startsWith("android.net.netmon.lingerExpired") 5287 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 5288 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 5289 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 5290 return true; 5291 } 5292 } 5293 } 5294 return false; 5295 } 5296 5297 @Override 5298 public int checkSignatures(String pkg1, String pkg2) { 5299 synchronized (mPackages) { 5300 final PackageParser.Package p1 = mPackages.get(pkg1); 5301 final PackageParser.Package p2 = mPackages.get(pkg2); 5302 if (p1 == null || p1.mExtras == null 5303 || p2 == null || p2.mExtras == null) { 5304 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5305 } 5306 return compareSignatures(p1.mSignatures, p2.mSignatures); 5307 } 5308 } 5309 5310 @Override 5311 public int checkUidSignatures(int uid1, int uid2) { 5312 // Map to base uids. 5313 uid1 = UserHandle.getAppId(uid1); 5314 uid2 = UserHandle.getAppId(uid2); 5315 // reader 5316 synchronized (mPackages) { 5317 Signature[] s1; 5318 Signature[] s2; 5319 Object obj = mSettings.getUserIdLPr(uid1); 5320 if (obj != null) { 5321 if (obj instanceof SharedUserSetting) { 5322 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 5323 } else if (obj instanceof PackageSetting) { 5324 s1 = ((PackageSetting)obj).signatures.mSignatures; 5325 } else { 5326 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5327 } 5328 } else { 5329 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5330 } 5331 obj = mSettings.getUserIdLPr(uid2); 5332 if (obj != null) { 5333 if (obj instanceof SharedUserSetting) { 5334 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 5335 } else if (obj instanceof PackageSetting) { 5336 s2 = ((PackageSetting)obj).signatures.mSignatures; 5337 } else { 5338 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5339 } 5340 } else { 5341 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5342 } 5343 return compareSignatures(s1, s2); 5344 } 5345 } 5346 5347 /** 5348 * This method should typically only be used when granting or revoking 5349 * permissions, since the app may immediately restart after this call. 5350 * <p> 5351 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 5352 * guard your work against the app being relaunched. 5353 */ 5354 private void killUid(int appId, int userId, String reason) { 5355 final long identity = Binder.clearCallingIdentity(); 5356 try { 5357 IActivityManager am = ActivityManager.getService(); 5358 if (am != null) { 5359 try { 5360 am.killUid(appId, userId, reason); 5361 } catch (RemoteException e) { 5362 /* ignore - same process */ 5363 } 5364 } 5365 } finally { 5366 Binder.restoreCallingIdentity(identity); 5367 } 5368 } 5369 5370 /** 5371 * Compares two sets of signatures. Returns: 5372 * <br /> 5373 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 5374 * <br /> 5375 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 5376 * <br /> 5377 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 5378 * <br /> 5379 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 5380 * <br /> 5381 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 5382 */ 5383 static int compareSignatures(Signature[] s1, Signature[] s2) { 5384 if (s1 == null) { 5385 return s2 == null 5386 ? PackageManager.SIGNATURE_NEITHER_SIGNED 5387 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 5388 } 5389 5390 if (s2 == null) { 5391 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 5392 } 5393 5394 if (s1.length != s2.length) { 5395 return PackageManager.SIGNATURE_NO_MATCH; 5396 } 5397 5398 // Since both signature sets are of size 1, we can compare without HashSets. 5399 if (s1.length == 1) { 5400 return s1[0].equals(s2[0]) ? 5401 PackageManager.SIGNATURE_MATCH : 5402 PackageManager.SIGNATURE_NO_MATCH; 5403 } 5404 5405 ArraySet<Signature> set1 = new ArraySet<Signature>(); 5406 for (Signature sig : s1) { 5407 set1.add(sig); 5408 } 5409 ArraySet<Signature> set2 = new ArraySet<Signature>(); 5410 for (Signature sig : s2) { 5411 set2.add(sig); 5412 } 5413 // Make sure s2 contains all signatures in s1. 5414 if (set1.equals(set2)) { 5415 return PackageManager.SIGNATURE_MATCH; 5416 } 5417 return PackageManager.SIGNATURE_NO_MATCH; 5418 } 5419 5420 /** 5421 * If the database version for this type of package (internal storage or 5422 * external storage) is less than the version where package signatures 5423 * were updated, return true. 5424 */ 5425 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 5426 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 5427 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 5428 } 5429 5430 /** 5431 * Used for backward compatibility to make sure any packages with 5432 * certificate chains get upgraded to the new style. {@code existingSigs} 5433 * will be in the old format (since they were stored on disk from before the 5434 * system upgrade) and {@code scannedSigs} will be in the newer format. 5435 */ 5436 private int compareSignaturesCompat(PackageSignatures existingSigs, 5437 PackageParser.Package scannedPkg) { 5438 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 5439 return PackageManager.SIGNATURE_NO_MATCH; 5440 } 5441 5442 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 5443 for (Signature sig : existingSigs.mSignatures) { 5444 existingSet.add(sig); 5445 } 5446 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 5447 for (Signature sig : scannedPkg.mSignatures) { 5448 try { 5449 Signature[] chainSignatures = sig.getChainSignatures(); 5450 for (Signature chainSig : chainSignatures) { 5451 scannedCompatSet.add(chainSig); 5452 } 5453 } catch (CertificateEncodingException e) { 5454 scannedCompatSet.add(sig); 5455 } 5456 } 5457 /* 5458 * Make sure the expanded scanned set contains all signatures in the 5459 * existing one. 5460 */ 5461 if (scannedCompatSet.equals(existingSet)) { 5462 // Migrate the old signatures to the new scheme. 5463 existingSigs.assignSignatures(scannedPkg.mSignatures); 5464 // The new KeySets will be re-added later in the scanning process. 5465 synchronized (mPackages) { 5466 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 5467 } 5468 return PackageManager.SIGNATURE_MATCH; 5469 } 5470 return PackageManager.SIGNATURE_NO_MATCH; 5471 } 5472 5473 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 5474 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 5475 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 5476 } 5477 5478 private int compareSignaturesRecover(PackageSignatures existingSigs, 5479 PackageParser.Package scannedPkg) { 5480 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 5481 return PackageManager.SIGNATURE_NO_MATCH; 5482 } 5483 5484 String msg = null; 5485 try { 5486 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 5487 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 5488 + scannedPkg.packageName); 5489 return PackageManager.SIGNATURE_MATCH; 5490 } 5491 } catch (CertificateException e) { 5492 msg = e.getMessage(); 5493 } 5494 5495 logCriticalInfo(Log.INFO, 5496 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 5497 return PackageManager.SIGNATURE_NO_MATCH; 5498 } 5499 5500 @Override 5501 public List<String> getAllPackages() { 5502 synchronized (mPackages) { 5503 return new ArrayList<String>(mPackages.keySet()); 5504 } 5505 } 5506 5507 @Override 5508 public String[] getPackagesForUid(int uid) { 5509 final int userId = UserHandle.getUserId(uid); 5510 uid = UserHandle.getAppId(uid); 5511 // reader 5512 synchronized (mPackages) { 5513 Object obj = mSettings.getUserIdLPr(uid); 5514 if (obj instanceof SharedUserSetting) { 5515 final SharedUserSetting sus = (SharedUserSetting) obj; 5516 final int N = sus.packages.size(); 5517 String[] res = new String[N]; 5518 final Iterator<PackageSetting> it = sus.packages.iterator(); 5519 int i = 0; 5520 while (it.hasNext()) { 5521 PackageSetting ps = it.next(); 5522 if (ps.getInstalled(userId)) { 5523 res[i++] = ps.name; 5524 } else { 5525 res = ArrayUtils.removeElement(String.class, res, res[i]); 5526 } 5527 } 5528 return res; 5529 } else if (obj instanceof PackageSetting) { 5530 final PackageSetting ps = (PackageSetting) obj; 5531 if (ps.getInstalled(userId)) { 5532 return new String[]{ps.name}; 5533 } 5534 } 5535 } 5536 return null; 5537 } 5538 5539 @Override 5540 public String getNameForUid(int uid) { 5541 // reader 5542 synchronized (mPackages) { 5543 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5544 if (obj instanceof SharedUserSetting) { 5545 final SharedUserSetting sus = (SharedUserSetting) obj; 5546 return sus.name + ":" + sus.userId; 5547 } else if (obj instanceof PackageSetting) { 5548 final PackageSetting ps = (PackageSetting) obj; 5549 return ps.name; 5550 } 5551 } 5552 return null; 5553 } 5554 5555 @Override 5556 public int getUidForSharedUser(String sharedUserName) { 5557 if(sharedUserName == null) { 5558 return -1; 5559 } 5560 // reader 5561 synchronized (mPackages) { 5562 SharedUserSetting suid; 5563 try { 5564 suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 5565 if (suid != null) { 5566 return suid.userId; 5567 } 5568 } catch (PackageManagerException ignore) { 5569 // can't happen, but, still need to catch it 5570 } 5571 return -1; 5572 } 5573 } 5574 5575 @Override 5576 public int getFlagsForUid(int uid) { 5577 synchronized (mPackages) { 5578 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5579 if (obj instanceof SharedUserSetting) { 5580 final SharedUserSetting sus = (SharedUserSetting) obj; 5581 return sus.pkgFlags; 5582 } else if (obj instanceof PackageSetting) { 5583 final PackageSetting ps = (PackageSetting) obj; 5584 return ps.pkgFlags; 5585 } 5586 } 5587 return 0; 5588 } 5589 5590 @Override 5591 public int getPrivateFlagsForUid(int uid) { 5592 synchronized (mPackages) { 5593 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5594 if (obj instanceof SharedUserSetting) { 5595 final SharedUserSetting sus = (SharedUserSetting) obj; 5596 return sus.pkgPrivateFlags; 5597 } else if (obj instanceof PackageSetting) { 5598 final PackageSetting ps = (PackageSetting) obj; 5599 return ps.pkgPrivateFlags; 5600 } 5601 } 5602 return 0; 5603 } 5604 5605 @Override 5606 public boolean isUidPrivileged(int uid) { 5607 uid = UserHandle.getAppId(uid); 5608 // reader 5609 synchronized (mPackages) { 5610 Object obj = mSettings.getUserIdLPr(uid); 5611 if (obj instanceof SharedUserSetting) { 5612 final SharedUserSetting sus = (SharedUserSetting) obj; 5613 final Iterator<PackageSetting> it = sus.packages.iterator(); 5614 while (it.hasNext()) { 5615 if (it.next().isPrivileged()) { 5616 return true; 5617 } 5618 } 5619 } else if (obj instanceof PackageSetting) { 5620 final PackageSetting ps = (PackageSetting) obj; 5621 return ps.isPrivileged(); 5622 } 5623 } 5624 return false; 5625 } 5626 5627 @Override 5628 public String[] getAppOpPermissionPackages(String permissionName) { 5629 synchronized (mPackages) { 5630 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 5631 if (pkgs == null) { 5632 return null; 5633 } 5634 return pkgs.toArray(new String[pkgs.size()]); 5635 } 5636 } 5637 5638 @Override 5639 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 5640 int flags, int userId) { 5641 return resolveIntentInternal( 5642 intent, resolvedType, flags, userId, false /*includeInstantApps*/); 5643 } 5644 5645 private ResolveInfo resolveIntentInternal(Intent intent, String resolvedType, 5646 int flags, int userId, boolean includeInstantApps) { 5647 try { 5648 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 5649 5650 if (!sUserManager.exists(userId)) return null; 5651 final int callingUid = Binder.getCallingUid(); 5652 flags = updateFlagsForResolve(flags, userId, intent, callingUid, includeInstantApps); 5653 enforceCrossUserPermission(callingUid, userId, 5654 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 5655 5656 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5657 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 5658 flags, userId, includeInstantApps); 5659 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5660 5661 final ResolveInfo bestChoice = 5662 chooseBestActivity(intent, resolvedType, flags, query, userId); 5663 return bestChoice; 5664 } finally { 5665 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5666 } 5667 } 5668 5669 @Override 5670 public ResolveInfo findPersistentPreferredActivity(Intent intent, int userId) { 5671 if (!UserHandle.isSameApp(Binder.getCallingUid(), Process.SYSTEM_UID)) { 5672 throw new SecurityException( 5673 "findPersistentPreferredActivity can only be run by the system"); 5674 } 5675 if (!sUserManager.exists(userId)) { 5676 return null; 5677 } 5678 final int callingUid = Binder.getCallingUid(); 5679 intent = updateIntentForResolve(intent); 5680 final String resolvedType = intent.resolveTypeIfNeeded(mContext.getContentResolver()); 5681 final int flags = updateFlagsForResolve( 5682 0, userId, intent, callingUid, false /*includeInstantApps*/); 5683 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5684 userId); 5685 synchronized (mPackages) { 5686 return findPersistentPreferredActivityLP(intent, resolvedType, flags, query, false, 5687 userId); 5688 } 5689 } 5690 5691 @Override 5692 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 5693 IntentFilter filter, int match, ComponentName activity) { 5694 final int userId = UserHandle.getCallingUserId(); 5695 if (DEBUG_PREFERRED) { 5696 Log.v(TAG, "setLastChosenActivity intent=" + intent 5697 + " resolvedType=" + resolvedType 5698 + " flags=" + flags 5699 + " filter=" + filter 5700 + " match=" + match 5701 + " activity=" + activity); 5702 filter.dump(new PrintStreamPrinter(System.out), " "); 5703 } 5704 intent.setComponent(null); 5705 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5706 userId); 5707 // Find any earlier preferred or last chosen entries and nuke them 5708 findPreferredActivity(intent, resolvedType, 5709 flags, query, 0, false, true, false, userId); 5710 // Add the new activity as the last chosen for this filter 5711 addPreferredActivityInternal(filter, match, null, activity, false, userId, 5712 "Setting last chosen"); 5713 } 5714 5715 @Override 5716 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 5717 final int userId = UserHandle.getCallingUserId(); 5718 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 5719 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5720 userId); 5721 return findPreferredActivity(intent, resolvedType, flags, query, 0, 5722 false, false, false, userId); 5723 } 5724 5725 /** 5726 * Returns whether or not instant apps have been disabled remotely. 5727 */ 5728 private boolean isEphemeralDisabled() { 5729 return mEphemeralAppsDisabled; 5730 } 5731 5732 private boolean isEphemeralAllowed( 5733 Intent intent, List<ResolveInfo> resolvedActivities, int userId, 5734 boolean skipPackageCheck) { 5735 final int callingUser = UserHandle.getCallingUserId(); 5736 if (mInstantAppResolverConnection == null) { 5737 return false; 5738 } 5739 if (mInstantAppInstallerActivity == null) { 5740 return false; 5741 } 5742 if (intent.getComponent() != null) { 5743 return false; 5744 } 5745 if ((intent.getFlags() & Intent.FLAG_IGNORE_EPHEMERAL) != 0) { 5746 return false; 5747 } 5748 if (!skipPackageCheck && intent.getPackage() != null) { 5749 return false; 5750 } 5751 final boolean isWebUri = hasWebURI(intent); 5752 if (!isWebUri || intent.getData().getHost() == null) { 5753 return false; 5754 } 5755 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 5756 // Or if there's already an ephemeral app installed that handles the action 5757 synchronized (mPackages) { 5758 final int count = (resolvedActivities == null ? 0 : resolvedActivities.size()); 5759 for (int n = 0; n < count; n++) { 5760 final ResolveInfo info = resolvedActivities.get(n); 5761 final String packageName = info.activityInfo.packageName; 5762 final PackageSetting ps = mSettings.mPackages.get(packageName); 5763 if (ps != null) { 5764 // only check domain verification status if the app is not a browser 5765 if (!info.handleAllWebDataURI) { 5766 // Try to get the status from User settings first 5767 final long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5768 final int status = (int) (packedStatus >> 32); 5769 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 5770 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5771 if (DEBUG_EPHEMERAL) { 5772 Slog.v(TAG, "DENY instant app;" 5773 + " pkg: " + packageName + ", status: " + status); 5774 } 5775 return false; 5776 } 5777 } 5778 if (ps.getInstantApp(userId)) { 5779 if (DEBUG_EPHEMERAL) { 5780 Slog.v(TAG, "DENY instant app installed;" 5781 + " pkg: " + packageName); 5782 } 5783 return false; 5784 } 5785 } 5786 } 5787 } 5788 // We've exhausted all ways to deny ephemeral application; let the system look for them. 5789 return true; 5790 } 5791 5792 private void requestInstantAppResolutionPhaseTwo(AuxiliaryResolveInfo responseObj, 5793 Intent origIntent, String resolvedType, String callingPackage, 5794 int userId) { 5795 final Message msg = mHandler.obtainMessage(INSTANT_APP_RESOLUTION_PHASE_TWO, 5796 new InstantAppRequest(responseObj, origIntent, resolvedType, 5797 callingPackage, userId)); 5798 mHandler.sendMessage(msg); 5799 } 5800 5801 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 5802 int flags, List<ResolveInfo> query, int userId) { 5803 if (query != null) { 5804 final int N = query.size(); 5805 if (N == 1) { 5806 return query.get(0); 5807 } else if (N > 1) { 5808 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 5809 // If there is more than one activity with the same priority, 5810 // then let the user decide between them. 5811 ResolveInfo r0 = query.get(0); 5812 ResolveInfo r1 = query.get(1); 5813 if (DEBUG_INTENT_MATCHING || debug) { 5814 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 5815 + r1.activityInfo.name + "=" + r1.priority); 5816 } 5817 // If the first activity has a higher priority, or a different 5818 // default, then it is always desirable to pick it. 5819 if (r0.priority != r1.priority 5820 || r0.preferredOrder != r1.preferredOrder 5821 || r0.isDefault != r1.isDefault) { 5822 return query.get(0); 5823 } 5824 // If we have saved a preference for a preferred activity for 5825 // this Intent, use that. 5826 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5827 flags, query, r0.priority, true, false, debug, userId); 5828 if (ri != null) { 5829 return ri; 5830 } 5831 // If we have an ephemeral app, use it 5832 for (int i = 0; i < N; i++) { 5833 ri = query.get(i); 5834 if (ri.activityInfo.applicationInfo.isInstantApp()) { 5835 return ri; 5836 } 5837 } 5838 ri = new ResolveInfo(mResolveInfo); 5839 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5840 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5841 // If all of the options come from the same package, show the application's 5842 // label and icon instead of the generic resolver's. 5843 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 5844 // and then throw away the ResolveInfo itself, meaning that the caller loses 5845 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 5846 // a fallback for this case; we only set the target package's resources on 5847 // the ResolveInfo, not the ActivityInfo. 5848 final String intentPackage = intent.getPackage(); 5849 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 5850 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 5851 ri.resolvePackageName = intentPackage; 5852 if (userNeedsBadging(userId)) { 5853 ri.noResourceId = true; 5854 } else { 5855 ri.icon = appi.icon; 5856 } 5857 ri.iconResourceId = appi.icon; 5858 ri.labelRes = appi.labelRes; 5859 } 5860 ri.activityInfo.applicationInfo = new ApplicationInfo( 5861 ri.activityInfo.applicationInfo); 5862 if (userId != 0) { 5863 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5864 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5865 } 5866 // Make sure that the resolver is displayable in car mode 5867 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5868 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5869 return ri; 5870 } 5871 } 5872 return null; 5873 } 5874 5875 /** 5876 * Return true if the given list is not empty and all of its contents have 5877 * an activityInfo with the given package name. 5878 */ 5879 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 5880 if (ArrayUtils.isEmpty(list)) { 5881 return false; 5882 } 5883 for (int i = 0, N = list.size(); i < N; i++) { 5884 final ResolveInfo ri = list.get(i); 5885 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 5886 if (ai == null || !packageName.equals(ai.packageName)) { 5887 return false; 5888 } 5889 } 5890 return true; 5891 } 5892 5893 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5894 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5895 final int N = query.size(); 5896 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5897 .get(userId); 5898 // Get the list of persistent preferred activities that handle the intent 5899 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5900 List<PersistentPreferredActivity> pprefs = ppir != null 5901 ? ppir.queryIntent(intent, resolvedType, 5902 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 5903 userId) 5904 : null; 5905 if (pprefs != null && pprefs.size() > 0) { 5906 final int M = pprefs.size(); 5907 for (int i=0; i<M; i++) { 5908 final PersistentPreferredActivity ppa = pprefs.get(i); 5909 if (DEBUG_PREFERRED || debug) { 5910 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5911 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5912 + "\n component=" + ppa.mComponent); 5913 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5914 } 5915 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5916 flags | MATCH_DISABLED_COMPONENTS, userId); 5917 if (DEBUG_PREFERRED || debug) { 5918 Slog.v(TAG, "Found persistent preferred activity:"); 5919 if (ai != null) { 5920 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5921 } else { 5922 Slog.v(TAG, " null"); 5923 } 5924 } 5925 if (ai == null) { 5926 // This previously registered persistent preferred activity 5927 // component is no longer known. Ignore it and do NOT remove it. 5928 continue; 5929 } 5930 for (int j=0; j<N; j++) { 5931 final ResolveInfo ri = query.get(j); 5932 if (!ri.activityInfo.applicationInfo.packageName 5933 .equals(ai.applicationInfo.packageName)) { 5934 continue; 5935 } 5936 if (!ri.activityInfo.name.equals(ai.name)) { 5937 continue; 5938 } 5939 // Found a persistent preference that can handle the intent. 5940 if (DEBUG_PREFERRED || debug) { 5941 Slog.v(TAG, "Returning persistent preferred activity: " + 5942 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5943 } 5944 return ri; 5945 } 5946 } 5947 } 5948 return null; 5949 } 5950 5951 // TODO: handle preferred activities missing while user has amnesia 5952 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5953 List<ResolveInfo> query, int priority, boolean always, 5954 boolean removeMatches, boolean debug, int userId) { 5955 if (!sUserManager.exists(userId)) return null; 5956 final int callingUid = Binder.getCallingUid(); 5957 flags = updateFlagsForResolve( 5958 flags, userId, intent, callingUid, false /*includeInstantApps*/); 5959 intent = updateIntentForResolve(intent); 5960 // writer 5961 synchronized (mPackages) { 5962 // Try to find a matching persistent preferred activity. 5963 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5964 debug, userId); 5965 5966 // If a persistent preferred activity matched, use it. 5967 if (pri != null) { 5968 return pri; 5969 } 5970 5971 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5972 // Get the list of preferred activities that handle the intent 5973 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5974 List<PreferredActivity> prefs = pir != null 5975 ? pir.queryIntent(intent, resolvedType, 5976 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 5977 userId) 5978 : null; 5979 if (prefs != null && prefs.size() > 0) { 5980 boolean changed = false; 5981 try { 5982 // First figure out how good the original match set is. 5983 // We will only allow preferred activities that came 5984 // from the same match quality. 5985 int match = 0; 5986 5987 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5988 5989 final int N = query.size(); 5990 for (int j=0; j<N; j++) { 5991 final ResolveInfo ri = query.get(j); 5992 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5993 + ": 0x" + Integer.toHexString(match)); 5994 if (ri.match > match) { 5995 match = ri.match; 5996 } 5997 } 5998 5999 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 6000 + Integer.toHexString(match)); 6001 6002 match &= IntentFilter.MATCH_CATEGORY_MASK; 6003 final int M = prefs.size(); 6004 for (int i=0; i<M; i++) { 6005 final PreferredActivity pa = prefs.get(i); 6006 if (DEBUG_PREFERRED || debug) { 6007 Slog.v(TAG, "Checking PreferredActivity ds=" 6008 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 6009 + "\n component=" + pa.mPref.mComponent); 6010 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 6011 } 6012 if (pa.mPref.mMatch != match) { 6013 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 6014 + Integer.toHexString(pa.mPref.mMatch)); 6015 continue; 6016 } 6017 // If it's not an "always" type preferred activity and that's what we're 6018 // looking for, skip it. 6019 if (always && !pa.mPref.mAlways) { 6020 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 6021 continue; 6022 } 6023 final ActivityInfo ai = getActivityInfo( 6024 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 6025 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 6026 userId); 6027 if (DEBUG_PREFERRED || debug) { 6028 Slog.v(TAG, "Found preferred activity:"); 6029 if (ai != null) { 6030 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 6031 } else { 6032 Slog.v(TAG, " null"); 6033 } 6034 } 6035 if (ai == null) { 6036 // This previously registered preferred activity 6037 // component is no longer known. Most likely an update 6038 // to the app was installed and in the new version this 6039 // component no longer exists. Clean it up by removing 6040 // it from the preferred activities list, and skip it. 6041 Slog.w(TAG, "Removing dangling preferred activity: " 6042 + pa.mPref.mComponent); 6043 pir.removeFilter(pa); 6044 changed = true; 6045 continue; 6046 } 6047 for (int j=0; j<N; j++) { 6048 final ResolveInfo ri = query.get(j); 6049 if (!ri.activityInfo.applicationInfo.packageName 6050 .equals(ai.applicationInfo.packageName)) { 6051 continue; 6052 } 6053 if (!ri.activityInfo.name.equals(ai.name)) { 6054 continue; 6055 } 6056 6057 if (removeMatches) { 6058 pir.removeFilter(pa); 6059 changed = true; 6060 if (DEBUG_PREFERRED) { 6061 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 6062 } 6063 break; 6064 } 6065 6066 // Okay we found a previously set preferred or last chosen app. 6067 // If the result set is different from when this 6068 // was created, we need to clear it and re-ask the 6069 // user their preference, if we're looking for an "always" type entry. 6070 if (always && !pa.mPref.sameSet(query)) { 6071 Slog.i(TAG, "Result set changed, dropping preferred activity for " 6072 + intent + " type " + resolvedType); 6073 if (DEBUG_PREFERRED) { 6074 Slog.v(TAG, "Removing preferred activity since set changed " 6075 + pa.mPref.mComponent); 6076 } 6077 pir.removeFilter(pa); 6078 // Re-add the filter as a "last chosen" entry (!always) 6079 PreferredActivity lastChosen = new PreferredActivity( 6080 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 6081 pir.addFilter(lastChosen); 6082 changed = true; 6083 return null; 6084 } 6085 6086 // Yay! Either the set matched or we're looking for the last chosen 6087 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 6088 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 6089 return ri; 6090 } 6091 } 6092 } finally { 6093 if (changed) { 6094 if (DEBUG_PREFERRED) { 6095 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 6096 } 6097 scheduleWritePackageRestrictionsLocked(userId); 6098 } 6099 } 6100 } 6101 } 6102 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 6103 return null; 6104 } 6105 6106 /* 6107 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 6108 */ 6109 @Override 6110 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 6111 int targetUserId) { 6112 mContext.enforceCallingOrSelfPermission( 6113 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 6114 List<CrossProfileIntentFilter> matches = 6115 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 6116 if (matches != null) { 6117 int size = matches.size(); 6118 for (int i = 0; i < size; i++) { 6119 if (matches.get(i).getTargetUserId() == targetUserId) return true; 6120 } 6121 } 6122 if (hasWebURI(intent)) { 6123 // cross-profile app linking works only towards the parent. 6124 final int callingUid = Binder.getCallingUid(); 6125 final UserInfo parent = getProfileParent(sourceUserId); 6126 synchronized(mPackages) { 6127 int flags = updateFlagsForResolve(0, parent.id, intent, callingUid, 6128 false /*includeInstantApps*/); 6129 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 6130 intent, resolvedType, flags, sourceUserId, parent.id); 6131 return xpDomainInfo != null; 6132 } 6133 } 6134 return false; 6135 } 6136 6137 private UserInfo getProfileParent(int userId) { 6138 final long identity = Binder.clearCallingIdentity(); 6139 try { 6140 return sUserManager.getProfileParent(userId); 6141 } finally { 6142 Binder.restoreCallingIdentity(identity); 6143 } 6144 } 6145 6146 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 6147 String resolvedType, int userId) { 6148 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 6149 if (resolver != null) { 6150 return resolver.queryIntent(intent, resolvedType, false /*defaultOnly*/, userId); 6151 } 6152 return null; 6153 } 6154 6155 @Override 6156 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 6157 String resolvedType, int flags, int userId) { 6158 try { 6159 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 6160 6161 return new ParceledListSlice<>( 6162 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 6163 } finally { 6164 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6165 } 6166 } 6167 6168 /** 6169 * Returns the package name of the calling Uid if it's an instant app. If it isn't 6170 * instant, returns {@code null}. 6171 */ 6172 private String getInstantAppPackageName(int callingUid) { 6173 // If the caller is an isolated app use the owner's uid for the lookup. 6174 if (Process.isIsolated(callingUid)) { 6175 callingUid = mIsolatedOwners.get(callingUid); 6176 } 6177 final int appId = UserHandle.getAppId(callingUid); 6178 synchronized (mPackages) { 6179 final Object obj = mSettings.getUserIdLPr(appId); 6180 if (obj instanceof PackageSetting) { 6181 final PackageSetting ps = (PackageSetting) obj; 6182 final boolean isInstantApp = ps.getInstantApp(UserHandle.getUserId(callingUid)); 6183 return isInstantApp ? ps.pkg.packageName : null; 6184 } 6185 } 6186 return null; 6187 } 6188 6189 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 6190 String resolvedType, int flags, int userId) { 6191 return queryIntentActivitiesInternal(intent, resolvedType, flags, userId, false); 6192 } 6193 6194 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 6195 String resolvedType, int flags, int userId, boolean includeInstantApps) { 6196 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6197 final int callingUid = Binder.getCallingUid(); 6198 final String instantAppPkgName = getInstantAppPackageName(callingUid); 6199 flags = updateFlagsForResolve(flags, userId, intent, callingUid, includeInstantApps); 6200 enforceCrossUserPermission(callingUid, userId, 6201 false /* requireFullPermission */, false /* checkShell */, 6202 "query intent activities"); 6203 ComponentName comp = intent.getComponent(); 6204 if (comp == null) { 6205 if (intent.getSelector() != null) { 6206 intent = intent.getSelector(); 6207 comp = intent.getComponent(); 6208 } 6209 } 6210 6211 if (comp != null) { 6212 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6213 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 6214 if (ai != null) { 6215 // When specifying an explicit component, we prevent the activity from being 6216 // used when either 1) the calling package is normal and the activity is within 6217 // an ephemeral application or 2) the calling package is ephemeral and the 6218 // activity is not visible to ephemeral applications. 6219 final boolean matchInstantApp = 6220 (flags & PackageManager.MATCH_INSTANT) != 0; 6221 final boolean matchVisibleToInstantAppOnly = 6222 (flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 6223 final boolean isCallerInstantApp = 6224 instantAppPkgName != null; 6225 final boolean isTargetSameInstantApp = 6226 comp.getPackageName().equals(instantAppPkgName); 6227 final boolean isTargetInstantApp = 6228 (ai.applicationInfo.privateFlags 6229 & ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0; 6230 final boolean isTargetHiddenFromInstantApp = 6231 (ai.flags & ActivityInfo.FLAG_VISIBLE_TO_EPHEMERAL) == 0; 6232 final boolean blockResolution = 6233 !isTargetSameInstantApp 6234 && ((!matchInstantApp && !isCallerInstantApp && isTargetInstantApp) 6235 || (matchVisibleToInstantAppOnly && isCallerInstantApp 6236 && isTargetHiddenFromInstantApp)); 6237 if (!blockResolution) { 6238 final ResolveInfo ri = new ResolveInfo(); 6239 ri.activityInfo = ai; 6240 list.add(ri); 6241 } 6242 } 6243 return applyPostResolutionFilter(list, instantAppPkgName); 6244 } 6245 6246 // reader 6247 boolean sortResult = false; 6248 boolean addEphemeral = false; 6249 List<ResolveInfo> result; 6250 final String pkgName = intent.getPackage(); 6251 final boolean ephemeralDisabled = isEphemeralDisabled(); 6252 synchronized (mPackages) { 6253 if (pkgName == null) { 6254 List<CrossProfileIntentFilter> matchingFilters = 6255 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 6256 // Check for results that need to skip the current profile. 6257 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 6258 resolvedType, flags, userId); 6259 if (xpResolveInfo != null) { 6260 List<ResolveInfo> xpResult = new ArrayList<ResolveInfo>(1); 6261 xpResult.add(xpResolveInfo); 6262 return applyPostResolutionFilter( 6263 filterIfNotSystemUser(xpResult, userId), instantAppPkgName); 6264 } 6265 6266 // Check for results in the current profile. 6267 result = filterIfNotSystemUser(mActivities.queryIntent( 6268 intent, resolvedType, flags, userId), userId); 6269 addEphemeral = !ephemeralDisabled 6270 && isEphemeralAllowed(intent, result, userId, false /*skipPackageCheck*/); 6271 // Check for cross profile results. 6272 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 6273 xpResolveInfo = queryCrossProfileIntents( 6274 matchingFilters, intent, resolvedType, flags, userId, 6275 hasNonNegativePriorityResult); 6276 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 6277 boolean isVisibleToUser = filterIfNotSystemUser( 6278 Collections.singletonList(xpResolveInfo), userId).size() > 0; 6279 if (isVisibleToUser) { 6280 result.add(xpResolveInfo); 6281 sortResult = true; 6282 } 6283 } 6284 if (hasWebURI(intent)) { 6285 CrossProfileDomainInfo xpDomainInfo = null; 6286 final UserInfo parent = getProfileParent(userId); 6287 if (parent != null) { 6288 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 6289 flags, userId, parent.id); 6290 } 6291 if (xpDomainInfo != null) { 6292 if (xpResolveInfo != null) { 6293 // If we didn't remove it, the cross-profile ResolveInfo would be twice 6294 // in the result. 6295 result.remove(xpResolveInfo); 6296 } 6297 if (result.size() == 0 && !addEphemeral) { 6298 // No result in current profile, but found candidate in parent user. 6299 // And we are not going to add emphemeral app, so we can return the 6300 // result straight away. 6301 result.add(xpDomainInfo.resolveInfo); 6302 return applyPostResolutionFilter(result, instantAppPkgName); 6303 } 6304 } else if (result.size() <= 1 && !addEphemeral) { 6305 // No result in parent user and <= 1 result in current profile, and we 6306 // are not going to add emphemeral app, so we can return the result without 6307 // further processing. 6308 return applyPostResolutionFilter(result, instantAppPkgName); 6309 } 6310 // We have more than one candidate (combining results from current and parent 6311 // profile), so we need filtering and sorting. 6312 result = filterCandidatesWithDomainPreferredActivitiesLPr( 6313 intent, flags, result, xpDomainInfo, userId); 6314 sortResult = true; 6315 } 6316 } else { 6317 final PackageParser.Package pkg = mPackages.get(pkgName); 6318 if (pkg != null) { 6319 return applyPostResolutionFilter(filterIfNotSystemUser( 6320 mActivities.queryIntentForPackage( 6321 intent, resolvedType, flags, pkg.activities, userId), 6322 userId), instantAppPkgName); 6323 } else { 6324 // the caller wants to resolve for a particular package; however, there 6325 // were no installed results, so, try to find an ephemeral result 6326 addEphemeral = !ephemeralDisabled 6327 && isEphemeralAllowed( 6328 intent, null /*result*/, userId, true /*skipPackageCheck*/); 6329 result = new ArrayList<ResolveInfo>(); 6330 } 6331 } 6332 } 6333 if (addEphemeral) { 6334 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 6335 final InstantAppRequest requestObject = new InstantAppRequest( 6336 null /*responseObj*/, intent /*origIntent*/, resolvedType, 6337 null /*callingPackage*/, userId); 6338 final AuxiliaryResolveInfo auxiliaryResponse = 6339 InstantAppResolver.doInstantAppResolutionPhaseOne( 6340 mContext, mInstantAppResolverConnection, requestObject); 6341 if (auxiliaryResponse != null) { 6342 if (DEBUG_EPHEMERAL) { 6343 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 6344 } 6345 final ResolveInfo ephemeralInstaller = new ResolveInfo(mInstantAppInstallerInfo); 6346 final PackageSetting ps = 6347 mSettings.mPackages.get(mInstantAppInstallerActivity.packageName); 6348 if (ps != null) { 6349 ephemeralInstaller.activityInfo = PackageParser.generateActivityInfo( 6350 mInstantAppInstallerActivity, 0, ps.readUserState(userId), userId); 6351 ephemeralInstaller.activityInfo.launchToken = auxiliaryResponse.token; 6352 ephemeralInstaller.auxiliaryInfo = auxiliaryResponse; 6353 // make sure this resolver is the default 6354 ephemeralInstaller.isDefault = true; 6355 ephemeralInstaller.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 6356 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 6357 // add a non-generic filter 6358 ephemeralInstaller.filter = new IntentFilter(intent.getAction()); 6359 ephemeralInstaller.filter.addDataPath( 6360 intent.getData().getPath(), PatternMatcher.PATTERN_LITERAL); 6361 ephemeralInstaller.instantAppAvailable = true; 6362 result.add(ephemeralInstaller); 6363 } 6364 } 6365 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6366 } 6367 if (sortResult) { 6368 Collections.sort(result, mResolvePrioritySorter); 6369 } 6370 return applyPostResolutionFilter(result, instantAppPkgName); 6371 } 6372 6373 private static class CrossProfileDomainInfo { 6374 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 6375 ResolveInfo resolveInfo; 6376 /* Best domain verification status of the activities found in the other profile */ 6377 int bestDomainVerificationStatus; 6378 } 6379 6380 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 6381 String resolvedType, int flags, int sourceUserId, int parentUserId) { 6382 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 6383 sourceUserId)) { 6384 return null; 6385 } 6386 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 6387 resolvedType, flags, parentUserId); 6388 6389 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 6390 return null; 6391 } 6392 CrossProfileDomainInfo result = null; 6393 int size = resultTargetUser.size(); 6394 for (int i = 0; i < size; i++) { 6395 ResolveInfo riTargetUser = resultTargetUser.get(i); 6396 // Intent filter verification is only for filters that specify a host. So don't return 6397 // those that handle all web uris. 6398 if (riTargetUser.handleAllWebDataURI) { 6399 continue; 6400 } 6401 String packageName = riTargetUser.activityInfo.packageName; 6402 PackageSetting ps = mSettings.mPackages.get(packageName); 6403 if (ps == null) { 6404 continue; 6405 } 6406 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 6407 int status = (int)(verificationState >> 32); 6408 if (result == null) { 6409 result = new CrossProfileDomainInfo(); 6410 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 6411 sourceUserId, parentUserId); 6412 result.bestDomainVerificationStatus = status; 6413 } else { 6414 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 6415 result.bestDomainVerificationStatus); 6416 } 6417 } 6418 // Don't consider matches with status NEVER across profiles. 6419 if (result != null && result.bestDomainVerificationStatus 6420 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6421 return null; 6422 } 6423 return result; 6424 } 6425 6426 /** 6427 * Verification statuses are ordered from the worse to the best, except for 6428 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 6429 */ 6430 private int bestDomainVerificationStatus(int status1, int status2) { 6431 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6432 return status2; 6433 } 6434 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6435 return status1; 6436 } 6437 return (int) MathUtils.max(status1, status2); 6438 } 6439 6440 private boolean isUserEnabled(int userId) { 6441 long callingId = Binder.clearCallingIdentity(); 6442 try { 6443 UserInfo userInfo = sUserManager.getUserInfo(userId); 6444 return userInfo != null && userInfo.isEnabled(); 6445 } finally { 6446 Binder.restoreCallingIdentity(callingId); 6447 } 6448 } 6449 6450 /** 6451 * Filter out activities with systemUserOnly flag set, when current user is not System. 6452 * 6453 * @return filtered list 6454 */ 6455 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 6456 if (userId == UserHandle.USER_SYSTEM) { 6457 return resolveInfos; 6458 } 6459 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 6460 ResolveInfo info = resolveInfos.get(i); 6461 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 6462 resolveInfos.remove(i); 6463 } 6464 } 6465 return resolveInfos; 6466 } 6467 6468 /** 6469 * Filters out ephemeral activities. 6470 * <p>When resolving for an ephemeral app, only activities that 1) are defined in the 6471 * ephemeral app or 2) marked with {@code visibleToEphemeral} are returned. 6472 * 6473 * @param resolveInfos The pre-filtered list of resolved activities 6474 * @param ephemeralPkgName The ephemeral package name. If {@code null}, no filtering 6475 * is performed. 6476 * @return A filtered list of resolved activities. 6477 */ 6478 private List<ResolveInfo> applyPostResolutionFilter(List<ResolveInfo> resolveInfos, 6479 String ephemeralPkgName) { 6480 // TODO: When adding on-demand split support for non-instant apps, remove this check 6481 // and always apply post filtering 6482 if (ephemeralPkgName == null) { 6483 return resolveInfos; 6484 } 6485 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 6486 final ResolveInfo info = resolveInfos.get(i); 6487 final boolean isEphemeralApp = info.activityInfo.applicationInfo.isInstantApp(); 6488 // allow activities that are defined in the provided package 6489 if (isEphemeralApp && ephemeralPkgName.equals(info.activityInfo.packageName)) { 6490 if (info.activityInfo.splitName != null 6491 && !ArrayUtils.contains(info.activityInfo.applicationInfo.splitNames, 6492 info.activityInfo.splitName)) { 6493 // requested activity is defined in a split that hasn't been installed yet. 6494 // add the installer to the resolve list 6495 if (DEBUG_EPHEMERAL) { 6496 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 6497 } 6498 final ResolveInfo installerInfo = new ResolveInfo(mInstantAppInstallerInfo); 6499 installerInfo.auxiliaryInfo = new AuxiliaryResolveInfo( 6500 info.activityInfo.packageName, info.activityInfo.splitName, 6501 info.activityInfo.applicationInfo.versionCode); 6502 // make sure this resolver is the default 6503 installerInfo.isDefault = true; 6504 installerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 6505 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 6506 // add a non-generic filter 6507 installerInfo.filter = new IntentFilter(); 6508 // load resources from the correct package 6509 installerInfo.resolvePackageName = info.getComponentInfo().packageName; 6510 resolveInfos.set(i, installerInfo); 6511 } 6512 continue; 6513 } 6514 // allow activities that have been explicitly exposed to ephemeral apps 6515 if (!isEphemeralApp 6516 && ((info.activityInfo.flags & ActivityInfo.FLAG_VISIBLE_TO_EPHEMERAL) != 0)) { 6517 continue; 6518 } 6519 resolveInfos.remove(i); 6520 } 6521 return resolveInfos; 6522 } 6523 6524 /** 6525 * @param resolveInfos list of resolve infos in descending priority order 6526 * @return if the list contains a resolve info with non-negative priority 6527 */ 6528 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 6529 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 6530 } 6531 6532 private static boolean hasWebURI(Intent intent) { 6533 if (intent.getData() == null) { 6534 return false; 6535 } 6536 final String scheme = intent.getScheme(); 6537 if (TextUtils.isEmpty(scheme)) { 6538 return false; 6539 } 6540 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 6541 } 6542 6543 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 6544 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 6545 int userId) { 6546 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 6547 6548 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 6549 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 6550 candidates.size()); 6551 } 6552 6553 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 6554 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 6555 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 6556 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 6557 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 6558 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 6559 6560 synchronized (mPackages) { 6561 final int count = candidates.size(); 6562 // First, try to use linked apps. Partition the candidates into four lists: 6563 // one for the final results, one for the "do not use ever", one for "undefined status" 6564 // and finally one for "browser app type". 6565 for (int n=0; n<count; n++) { 6566 ResolveInfo info = candidates.get(n); 6567 String packageName = info.activityInfo.packageName; 6568 PackageSetting ps = mSettings.mPackages.get(packageName); 6569 if (ps != null) { 6570 // Add to the special match all list (Browser use case) 6571 if (info.handleAllWebDataURI) { 6572 matchAllList.add(info); 6573 continue; 6574 } 6575 // Try to get the status from User settings first 6576 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 6577 int status = (int)(packedStatus >> 32); 6578 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 6579 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 6580 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6581 Slog.i(TAG, " + always: " + info.activityInfo.packageName 6582 + " : linkgen=" + linkGeneration); 6583 } 6584 // Use link-enabled generation as preferredOrder, i.e. 6585 // prefer newly-enabled over earlier-enabled. 6586 info.preferredOrder = linkGeneration; 6587 alwaysList.add(info); 6588 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6589 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6590 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 6591 } 6592 neverList.add(info); 6593 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 6594 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6595 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 6596 } 6597 alwaysAskList.add(info); 6598 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 6599 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 6600 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6601 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 6602 } 6603 undefinedList.add(info); 6604 } 6605 } 6606 } 6607 6608 // We'll want to include browser possibilities in a few cases 6609 boolean includeBrowser = false; 6610 6611 // First try to add the "always" resolution(s) for the current user, if any 6612 if (alwaysList.size() > 0) { 6613 result.addAll(alwaysList); 6614 } else { 6615 // Add all undefined apps as we want them to appear in the disambiguation dialog. 6616 result.addAll(undefinedList); 6617 // Maybe add one for the other profile. 6618 if (xpDomainInfo != null && ( 6619 xpDomainInfo.bestDomainVerificationStatus 6620 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 6621 result.add(xpDomainInfo.resolveInfo); 6622 } 6623 includeBrowser = true; 6624 } 6625 6626 // The presence of any 'always ask' alternatives means we'll also offer browsers. 6627 // If there were 'always' entries their preferred order has been set, so we also 6628 // back that off to make the alternatives equivalent 6629 if (alwaysAskList.size() > 0) { 6630 for (ResolveInfo i : result) { 6631 i.preferredOrder = 0; 6632 } 6633 result.addAll(alwaysAskList); 6634 includeBrowser = true; 6635 } 6636 6637 if (includeBrowser) { 6638 // Also add browsers (all of them or only the default one) 6639 if (DEBUG_DOMAIN_VERIFICATION) { 6640 Slog.v(TAG, " ...including browsers in candidate set"); 6641 } 6642 if ((matchFlags & MATCH_ALL) != 0) { 6643 result.addAll(matchAllList); 6644 } else { 6645 // Browser/generic handling case. If there's a default browser, go straight 6646 // to that (but only if there is no other higher-priority match). 6647 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 6648 int maxMatchPrio = 0; 6649 ResolveInfo defaultBrowserMatch = null; 6650 final int numCandidates = matchAllList.size(); 6651 for (int n = 0; n < numCandidates; n++) { 6652 ResolveInfo info = matchAllList.get(n); 6653 // track the highest overall match priority... 6654 if (info.priority > maxMatchPrio) { 6655 maxMatchPrio = info.priority; 6656 } 6657 // ...and the highest-priority default browser match 6658 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 6659 if (defaultBrowserMatch == null 6660 || (defaultBrowserMatch.priority < info.priority)) { 6661 if (debug) { 6662 Slog.v(TAG, "Considering default browser match " + info); 6663 } 6664 defaultBrowserMatch = info; 6665 } 6666 } 6667 } 6668 if (defaultBrowserMatch != null 6669 && defaultBrowserMatch.priority >= maxMatchPrio 6670 && !TextUtils.isEmpty(defaultBrowserPackageName)) 6671 { 6672 if (debug) { 6673 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 6674 } 6675 result.add(defaultBrowserMatch); 6676 } else { 6677 result.addAll(matchAllList); 6678 } 6679 } 6680 6681 // If there is nothing selected, add all candidates and remove the ones that the user 6682 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 6683 if (result.size() == 0) { 6684 result.addAll(candidates); 6685 result.removeAll(neverList); 6686 } 6687 } 6688 } 6689 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 6690 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 6691 result.size()); 6692 for (ResolveInfo info : result) { 6693 Slog.v(TAG, " + " + info.activityInfo); 6694 } 6695 } 6696 return result; 6697 } 6698 6699 // Returns a packed value as a long: 6700 // 6701 // high 'int'-sized word: link status: undefined/ask/never/always. 6702 // low 'int'-sized word: relative priority among 'always' results. 6703 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 6704 long result = ps.getDomainVerificationStatusForUser(userId); 6705 // if none available, get the master status 6706 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 6707 if (ps.getIntentFilterVerificationInfo() != null) { 6708 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 6709 } 6710 } 6711 return result; 6712 } 6713 6714 private ResolveInfo querySkipCurrentProfileIntents( 6715 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 6716 int flags, int sourceUserId) { 6717 if (matchingFilters != null) { 6718 int size = matchingFilters.size(); 6719 for (int i = 0; i < size; i ++) { 6720 CrossProfileIntentFilter filter = matchingFilters.get(i); 6721 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 6722 // Checking if there are activities in the target user that can handle the 6723 // intent. 6724 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 6725 resolvedType, flags, sourceUserId); 6726 if (resolveInfo != null) { 6727 return resolveInfo; 6728 } 6729 } 6730 } 6731 } 6732 return null; 6733 } 6734 6735 // Return matching ResolveInfo in target user if any. 6736 private ResolveInfo queryCrossProfileIntents( 6737 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 6738 int flags, int sourceUserId, boolean matchInCurrentProfile) { 6739 if (matchingFilters != null) { 6740 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 6741 // match the same intent. For performance reasons, it is better not to 6742 // run queryIntent twice for the same userId 6743 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 6744 int size = matchingFilters.size(); 6745 for (int i = 0; i < size; i++) { 6746 CrossProfileIntentFilter filter = matchingFilters.get(i); 6747 int targetUserId = filter.getTargetUserId(); 6748 boolean skipCurrentProfile = 6749 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 6750 boolean skipCurrentProfileIfNoMatchFound = 6751 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 6752 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 6753 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 6754 // Checking if there are activities in the target user that can handle the 6755 // intent. 6756 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 6757 resolvedType, flags, sourceUserId); 6758 if (resolveInfo != null) return resolveInfo; 6759 alreadyTriedUserIds.put(targetUserId, true); 6760 } 6761 } 6762 } 6763 return null; 6764 } 6765 6766 /** 6767 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 6768 * will forward the intent to the filter's target user. 6769 * Otherwise, returns null. 6770 */ 6771 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 6772 String resolvedType, int flags, int sourceUserId) { 6773 int targetUserId = filter.getTargetUserId(); 6774 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 6775 resolvedType, flags, targetUserId); 6776 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 6777 // If all the matches in the target profile are suspended, return null. 6778 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 6779 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 6780 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 6781 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 6782 targetUserId); 6783 } 6784 } 6785 } 6786 return null; 6787 } 6788 6789 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 6790 int sourceUserId, int targetUserId) { 6791 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 6792 long ident = Binder.clearCallingIdentity(); 6793 boolean targetIsProfile; 6794 try { 6795 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 6796 } finally { 6797 Binder.restoreCallingIdentity(ident); 6798 } 6799 String className; 6800 if (targetIsProfile) { 6801 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 6802 } else { 6803 className = FORWARD_INTENT_TO_PARENT; 6804 } 6805 ComponentName forwardingActivityComponentName = new ComponentName( 6806 mAndroidApplication.packageName, className); 6807 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 6808 sourceUserId); 6809 if (!targetIsProfile) { 6810 forwardingActivityInfo.showUserIcon = targetUserId; 6811 forwardingResolveInfo.noResourceId = true; 6812 } 6813 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 6814 forwardingResolveInfo.priority = 0; 6815 forwardingResolveInfo.preferredOrder = 0; 6816 forwardingResolveInfo.match = 0; 6817 forwardingResolveInfo.isDefault = true; 6818 forwardingResolveInfo.filter = filter; 6819 forwardingResolveInfo.targetUserId = targetUserId; 6820 return forwardingResolveInfo; 6821 } 6822 6823 @Override 6824 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 6825 Intent[] specifics, String[] specificTypes, Intent intent, 6826 String resolvedType, int flags, int userId) { 6827 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 6828 specificTypes, intent, resolvedType, flags, userId)); 6829 } 6830 6831 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 6832 Intent[] specifics, String[] specificTypes, Intent intent, 6833 String resolvedType, int flags, int userId) { 6834 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6835 final int callingUid = Binder.getCallingUid(); 6836 flags = updateFlagsForResolve(flags, userId, intent, callingUid, 6837 false /*includeInstantApps*/); 6838 enforceCrossUserPermission(callingUid, userId, 6839 false /*requireFullPermission*/, false /*checkShell*/, 6840 "query intent activity options"); 6841 final String resultsAction = intent.getAction(); 6842 6843 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 6844 | PackageManager.GET_RESOLVED_FILTER, userId); 6845 6846 if (DEBUG_INTENT_MATCHING) { 6847 Log.v(TAG, "Query " + intent + ": " + results); 6848 } 6849 6850 int specificsPos = 0; 6851 int N; 6852 6853 // todo: note that the algorithm used here is O(N^2). This 6854 // isn't a problem in our current environment, but if we start running 6855 // into situations where we have more than 5 or 10 matches then this 6856 // should probably be changed to something smarter... 6857 6858 // First we go through and resolve each of the specific items 6859 // that were supplied, taking care of removing any corresponding 6860 // duplicate items in the generic resolve list. 6861 if (specifics != null) { 6862 for (int i=0; i<specifics.length; i++) { 6863 final Intent sintent = specifics[i]; 6864 if (sintent == null) { 6865 continue; 6866 } 6867 6868 if (DEBUG_INTENT_MATCHING) { 6869 Log.v(TAG, "Specific #" + i + ": " + sintent); 6870 } 6871 6872 String action = sintent.getAction(); 6873 if (resultsAction != null && resultsAction.equals(action)) { 6874 // If this action was explicitly requested, then don't 6875 // remove things that have it. 6876 action = null; 6877 } 6878 6879 ResolveInfo ri = null; 6880 ActivityInfo ai = null; 6881 6882 ComponentName comp = sintent.getComponent(); 6883 if (comp == null) { 6884 ri = resolveIntent( 6885 sintent, 6886 specificTypes != null ? specificTypes[i] : null, 6887 flags, userId); 6888 if (ri == null) { 6889 continue; 6890 } 6891 if (ri == mResolveInfo) { 6892 // ACK! Must do something better with this. 6893 } 6894 ai = ri.activityInfo; 6895 comp = new ComponentName(ai.applicationInfo.packageName, 6896 ai.name); 6897 } else { 6898 ai = getActivityInfo(comp, flags, userId); 6899 if (ai == null) { 6900 continue; 6901 } 6902 } 6903 6904 // Look for any generic query activities that are duplicates 6905 // of this specific one, and remove them from the results. 6906 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 6907 N = results.size(); 6908 int j; 6909 for (j=specificsPos; j<N; j++) { 6910 ResolveInfo sri = results.get(j); 6911 if ((sri.activityInfo.name.equals(comp.getClassName()) 6912 && sri.activityInfo.applicationInfo.packageName.equals( 6913 comp.getPackageName())) 6914 || (action != null && sri.filter.matchAction(action))) { 6915 results.remove(j); 6916 if (DEBUG_INTENT_MATCHING) Log.v( 6917 TAG, "Removing duplicate item from " + j 6918 + " due to specific " + specificsPos); 6919 if (ri == null) { 6920 ri = sri; 6921 } 6922 j--; 6923 N--; 6924 } 6925 } 6926 6927 // Add this specific item to its proper place. 6928 if (ri == null) { 6929 ri = new ResolveInfo(); 6930 ri.activityInfo = ai; 6931 } 6932 results.add(specificsPos, ri); 6933 ri.specificIndex = i; 6934 specificsPos++; 6935 } 6936 } 6937 6938 // Now we go through the remaining generic results and remove any 6939 // duplicate actions that are found here. 6940 N = results.size(); 6941 for (int i=specificsPos; i<N-1; i++) { 6942 final ResolveInfo rii = results.get(i); 6943 if (rii.filter == null) { 6944 continue; 6945 } 6946 6947 // Iterate over all of the actions of this result's intent 6948 // filter... typically this should be just one. 6949 final Iterator<String> it = rii.filter.actionsIterator(); 6950 if (it == null) { 6951 continue; 6952 } 6953 while (it.hasNext()) { 6954 final String action = it.next(); 6955 if (resultsAction != null && resultsAction.equals(action)) { 6956 // If this action was explicitly requested, then don't 6957 // remove things that have it. 6958 continue; 6959 } 6960 for (int j=i+1; j<N; j++) { 6961 final ResolveInfo rij = results.get(j); 6962 if (rij.filter != null && rij.filter.hasAction(action)) { 6963 results.remove(j); 6964 if (DEBUG_INTENT_MATCHING) Log.v( 6965 TAG, "Removing duplicate item from " + j 6966 + " due to action " + action + " at " + i); 6967 j--; 6968 N--; 6969 } 6970 } 6971 } 6972 6973 // If the caller didn't request filter information, drop it now 6974 // so we don't have to marshall/unmarshall it. 6975 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6976 rii.filter = null; 6977 } 6978 } 6979 6980 // Filter out the caller activity if so requested. 6981 if (caller != null) { 6982 N = results.size(); 6983 for (int i=0; i<N; i++) { 6984 ActivityInfo ainfo = results.get(i).activityInfo; 6985 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 6986 && caller.getClassName().equals(ainfo.name)) { 6987 results.remove(i); 6988 break; 6989 } 6990 } 6991 } 6992 6993 // If the caller didn't request filter information, 6994 // drop them now so we don't have to 6995 // marshall/unmarshall it. 6996 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 6997 N = results.size(); 6998 for (int i=0; i<N; i++) { 6999 results.get(i).filter = null; 7000 } 7001 } 7002 7003 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 7004 return results; 7005 } 7006 7007 @Override 7008 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 7009 String resolvedType, int flags, int userId) { 7010 return new ParceledListSlice<>( 7011 queryIntentReceiversInternal(intent, resolvedType, flags, userId)); 7012 } 7013 7014 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 7015 String resolvedType, int flags, int userId) { 7016 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7017 final int callingUid = Binder.getCallingUid(); 7018 flags = updateFlagsForResolve(flags, userId, intent, callingUid, 7019 false /*includeInstantApps*/); 7020 ComponentName comp = intent.getComponent(); 7021 if (comp == null) { 7022 if (intent.getSelector() != null) { 7023 intent = intent.getSelector(); 7024 comp = intent.getComponent(); 7025 } 7026 } 7027 if (comp != null) { 7028 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 7029 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 7030 if (ai != null) { 7031 ResolveInfo ri = new ResolveInfo(); 7032 ri.activityInfo = ai; 7033 list.add(ri); 7034 } 7035 return list; 7036 } 7037 7038 // reader 7039 synchronized (mPackages) { 7040 String pkgName = intent.getPackage(); 7041 if (pkgName == null) { 7042 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 7043 } 7044 final PackageParser.Package pkg = mPackages.get(pkgName); 7045 if (pkg != null) { 7046 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 7047 userId); 7048 } 7049 return Collections.emptyList(); 7050 } 7051 } 7052 7053 @Override 7054 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 7055 final int callingUid = Binder.getCallingUid(); 7056 return resolveServiceInternal( 7057 intent, resolvedType, flags, userId, callingUid, false /*includeInstantApps*/); 7058 } 7059 7060 private ResolveInfo resolveServiceInternal(Intent intent, String resolvedType, int flags, 7061 int userId, int callingUid, boolean includeInstantApps) { 7062 if (!sUserManager.exists(userId)) return null; 7063 flags = updateFlagsForResolve(flags, userId, intent, callingUid, includeInstantApps); 7064 List<ResolveInfo> query = queryIntentServicesInternal( 7065 intent, resolvedType, flags, userId, callingUid, includeInstantApps); 7066 if (query != null) { 7067 if (query.size() >= 1) { 7068 // If there is more than one service with the same priority, 7069 // just arbitrarily pick the first one. 7070 return query.get(0); 7071 } 7072 } 7073 return null; 7074 } 7075 7076 @Override 7077 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 7078 String resolvedType, int flags, int userId) { 7079 final int callingUid = Binder.getCallingUid(); 7080 return new ParceledListSlice<>(queryIntentServicesInternal( 7081 intent, resolvedType, flags, userId, callingUid, false /*includeInstantApps*/)); 7082 } 7083 7084 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 7085 String resolvedType, int flags, int userId, int callingUid, 7086 boolean includeInstantApps) { 7087 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7088 final String instantAppPkgName = getInstantAppPackageName(callingUid); 7089 flags = updateFlagsForResolve(flags, userId, intent, callingUid, includeInstantApps); 7090 ComponentName comp = intent.getComponent(); 7091 if (comp == null) { 7092 if (intent.getSelector() != null) { 7093 intent = intent.getSelector(); 7094 comp = intent.getComponent(); 7095 } 7096 } 7097 if (comp != null) { 7098 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 7099 final ServiceInfo si = getServiceInfo(comp, flags, userId); 7100 if (si != null) { 7101 // When specifying an explicit component, we prevent the service from being 7102 // used when either 1) the service is in an instant application and the 7103 // caller is not the same instant application or 2) the calling package is 7104 // ephemeral and the activity is not visible to ephemeral applications. 7105 final boolean matchInstantApp = 7106 (flags & PackageManager.MATCH_INSTANT) != 0; 7107 final boolean matchVisibleToInstantAppOnly = 7108 (flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 7109 final boolean isCallerInstantApp = 7110 instantAppPkgName != null; 7111 final boolean isTargetSameInstantApp = 7112 comp.getPackageName().equals(instantAppPkgName); 7113 final boolean isTargetInstantApp = 7114 (si.applicationInfo.privateFlags 7115 & ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0; 7116 final boolean isTargetHiddenFromInstantApp = 7117 (si.flags & ServiceInfo.FLAG_VISIBLE_TO_EPHEMERAL) == 0; 7118 final boolean blockResolution = 7119 !isTargetSameInstantApp 7120 && ((!matchInstantApp && !isCallerInstantApp && isTargetInstantApp) 7121 || (matchVisibleToInstantAppOnly && isCallerInstantApp 7122 && isTargetHiddenFromInstantApp)); 7123 if (!blockResolution) { 7124 final ResolveInfo ri = new ResolveInfo(); 7125 ri.serviceInfo = si; 7126 list.add(ri); 7127 } 7128 } 7129 return list; 7130 } 7131 7132 // reader 7133 synchronized (mPackages) { 7134 String pkgName = intent.getPackage(); 7135 if (pkgName == null) { 7136 return applyPostServiceResolutionFilter( 7137 mServices.queryIntent(intent, resolvedType, flags, userId), 7138 instantAppPkgName); 7139 } 7140 final PackageParser.Package pkg = mPackages.get(pkgName); 7141 if (pkg != null) { 7142 return applyPostServiceResolutionFilter( 7143 mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 7144 userId), 7145 instantAppPkgName); 7146 } 7147 return Collections.emptyList(); 7148 } 7149 } 7150 7151 private List<ResolveInfo> applyPostServiceResolutionFilter(List<ResolveInfo> resolveInfos, 7152 String instantAppPkgName) { 7153 // TODO: When adding on-demand split support for non-instant apps, remove this check 7154 // and always apply post filtering 7155 if (instantAppPkgName == null) { 7156 return resolveInfos; 7157 } 7158 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 7159 final ResolveInfo info = resolveInfos.get(i); 7160 final boolean isEphemeralApp = info.serviceInfo.applicationInfo.isInstantApp(); 7161 // allow services that are defined in the provided package 7162 if (isEphemeralApp && instantAppPkgName.equals(info.serviceInfo.packageName)) { 7163 if (info.serviceInfo.splitName != null 7164 && !ArrayUtils.contains(info.serviceInfo.applicationInfo.splitNames, 7165 info.serviceInfo.splitName)) { 7166 // requested service is defined in a split that hasn't been installed yet. 7167 // add the installer to the resolve list 7168 if (DEBUG_EPHEMERAL) { 7169 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 7170 } 7171 final ResolveInfo installerInfo = new ResolveInfo(mInstantAppInstallerInfo); 7172 installerInfo.auxiliaryInfo = new AuxiliaryResolveInfo( 7173 info.serviceInfo.packageName, info.serviceInfo.splitName, 7174 info.serviceInfo.applicationInfo.versionCode); 7175 // make sure this resolver is the default 7176 installerInfo.isDefault = true; 7177 installerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 7178 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 7179 // add a non-generic filter 7180 installerInfo.filter = new IntentFilter(); 7181 // load resources from the correct package 7182 installerInfo.resolvePackageName = info.getComponentInfo().packageName; 7183 resolveInfos.set(i, installerInfo); 7184 } 7185 continue; 7186 } 7187 // allow services that have been explicitly exposed to ephemeral apps 7188 if (!isEphemeralApp 7189 && ((info.serviceInfo.flags & ActivityInfo.FLAG_VISIBLE_TO_EPHEMERAL) != 0)) { 7190 continue; 7191 } 7192 resolveInfos.remove(i); 7193 } 7194 return resolveInfos; 7195 } 7196 7197 @Override 7198 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 7199 String resolvedType, int flags, int userId) { 7200 return new ParceledListSlice<>( 7201 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 7202 } 7203 7204 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 7205 Intent intent, String resolvedType, int flags, int userId) { 7206 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7207 final int callingUid = Binder.getCallingUid(); 7208 final String instantAppPkgName = getInstantAppPackageName(callingUid); 7209 flags = updateFlagsForResolve(flags, userId, intent, callingUid, 7210 false /*includeInstantApps*/); 7211 ComponentName comp = intent.getComponent(); 7212 if (comp == null) { 7213 if (intent.getSelector() != null) { 7214 intent = intent.getSelector(); 7215 comp = intent.getComponent(); 7216 } 7217 } 7218 if (comp != null) { 7219 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 7220 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 7221 if (pi != null) { 7222 // When specifying an explicit component, we prevent the provider from being 7223 // used when either 1) the provider is in an instant application and the 7224 // caller is not the same instant application or 2) the calling package is an 7225 // instant application and the provider is not visible to instant applications. 7226 final boolean matchInstantApp = 7227 (flags & PackageManager.MATCH_INSTANT) != 0; 7228 final boolean matchVisibleToInstantAppOnly = 7229 (flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 7230 final boolean isCallerInstantApp = 7231 instantAppPkgName != null; 7232 final boolean isTargetSameInstantApp = 7233 comp.getPackageName().equals(instantAppPkgName); 7234 final boolean isTargetInstantApp = 7235 (pi.applicationInfo.privateFlags 7236 & ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0; 7237 final boolean isTargetHiddenFromInstantApp = 7238 (pi.flags & ProviderInfo.FLAG_VISIBLE_TO_EPHEMERAL) == 0; 7239 final boolean blockResolution = 7240 !isTargetSameInstantApp 7241 && ((!matchInstantApp && !isCallerInstantApp && isTargetInstantApp) 7242 || (matchVisibleToInstantAppOnly && isCallerInstantApp 7243 && isTargetHiddenFromInstantApp)); 7244 if (!blockResolution) { 7245 final ResolveInfo ri = new ResolveInfo(); 7246 ri.providerInfo = pi; 7247 list.add(ri); 7248 } 7249 } 7250 return list; 7251 } 7252 7253 // reader 7254 synchronized (mPackages) { 7255 String pkgName = intent.getPackage(); 7256 if (pkgName == null) { 7257 return applyPostContentProviderResolutionFilter( 7258 mProviders.queryIntent(intent, resolvedType, flags, userId), 7259 instantAppPkgName); 7260 } 7261 final PackageParser.Package pkg = mPackages.get(pkgName); 7262 if (pkg != null) { 7263 return applyPostContentProviderResolutionFilter( 7264 mProviders.queryIntentForPackage( 7265 intent, resolvedType, flags, pkg.providers, userId), 7266 instantAppPkgName); 7267 } 7268 return Collections.emptyList(); 7269 } 7270 } 7271 7272 private List<ResolveInfo> applyPostContentProviderResolutionFilter( 7273 List<ResolveInfo> resolveInfos, String instantAppPkgName) { 7274 // TODO: When adding on-demand split support for non-instant applications, remove 7275 // this check and always apply post filtering 7276 if (instantAppPkgName == null) { 7277 return resolveInfos; 7278 } 7279 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 7280 final ResolveInfo info = resolveInfos.get(i); 7281 final boolean isEphemeralApp = info.providerInfo.applicationInfo.isInstantApp(); 7282 // allow providers that are defined in the provided package 7283 if (isEphemeralApp && instantAppPkgName.equals(info.providerInfo.packageName)) { 7284 if (info.providerInfo.splitName != null 7285 && !ArrayUtils.contains(info.providerInfo.applicationInfo.splitNames, 7286 info.providerInfo.splitName)) { 7287 // requested provider is defined in a split that hasn't been installed yet. 7288 // add the installer to the resolve list 7289 if (DEBUG_EPHEMERAL) { 7290 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 7291 } 7292 final ResolveInfo installerInfo = new ResolveInfo(mInstantAppInstallerInfo); 7293 installerInfo.auxiliaryInfo = new AuxiliaryResolveInfo( 7294 info.providerInfo.packageName, info.providerInfo.splitName, 7295 info.providerInfo.applicationInfo.versionCode); 7296 // make sure this resolver is the default 7297 installerInfo.isDefault = true; 7298 installerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 7299 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 7300 // add a non-generic filter 7301 installerInfo.filter = new IntentFilter(); 7302 // load resources from the correct package 7303 installerInfo.resolvePackageName = info.getComponentInfo().packageName; 7304 resolveInfos.set(i, installerInfo); 7305 } 7306 continue; 7307 } 7308 // allow providers that have been explicitly exposed to instant applications 7309 if (!isEphemeralApp 7310 && ((info.providerInfo.flags & ActivityInfo.FLAG_VISIBLE_TO_EPHEMERAL) != 0)) { 7311 continue; 7312 } 7313 resolveInfos.remove(i); 7314 } 7315 return resolveInfos; 7316 } 7317 7318 @Override 7319 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 7320 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7321 flags = updateFlagsForPackage(flags, userId, null); 7322 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7323 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7324 true /* requireFullPermission */, false /* checkShell */, 7325 "get installed packages"); 7326 7327 // writer 7328 synchronized (mPackages) { 7329 ArrayList<PackageInfo> list; 7330 if (listUninstalled) { 7331 list = new ArrayList<>(mSettings.mPackages.size()); 7332 for (PackageSetting ps : mSettings.mPackages.values()) { 7333 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 7334 continue; 7335 } 7336 final PackageInfo pi = generatePackageInfo(ps, flags, userId); 7337 if (pi != null) { 7338 list.add(pi); 7339 } 7340 } 7341 } else { 7342 list = new ArrayList<>(mPackages.size()); 7343 for (PackageParser.Package p : mPackages.values()) { 7344 if (filterSharedLibPackageLPr((PackageSetting) p.mExtras, 7345 Binder.getCallingUid(), userId)) { 7346 continue; 7347 } 7348 final PackageInfo pi = generatePackageInfo((PackageSetting) 7349 p.mExtras, flags, userId); 7350 if (pi != null) { 7351 list.add(pi); 7352 } 7353 } 7354 } 7355 7356 return new ParceledListSlice<>(list); 7357 } 7358 } 7359 7360 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 7361 String[] permissions, boolean[] tmp, int flags, int userId) { 7362 int numMatch = 0; 7363 final PermissionsState permissionsState = ps.getPermissionsState(); 7364 for (int i=0; i<permissions.length; i++) { 7365 final String permission = permissions[i]; 7366 if (permissionsState.hasPermission(permission, userId)) { 7367 tmp[i] = true; 7368 numMatch++; 7369 } else { 7370 tmp[i] = false; 7371 } 7372 } 7373 if (numMatch == 0) { 7374 return; 7375 } 7376 final PackageInfo pi = generatePackageInfo(ps, flags, userId); 7377 7378 // The above might return null in cases of uninstalled apps or install-state 7379 // skew across users/profiles. 7380 if (pi != null) { 7381 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 7382 if (numMatch == permissions.length) { 7383 pi.requestedPermissions = permissions; 7384 } else { 7385 pi.requestedPermissions = new String[numMatch]; 7386 numMatch = 0; 7387 for (int i=0; i<permissions.length; i++) { 7388 if (tmp[i]) { 7389 pi.requestedPermissions[numMatch] = permissions[i]; 7390 numMatch++; 7391 } 7392 } 7393 } 7394 } 7395 list.add(pi); 7396 } 7397 } 7398 7399 @Override 7400 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 7401 String[] permissions, int flags, int userId) { 7402 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7403 flags = updateFlagsForPackage(flags, userId, permissions); 7404 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7405 true /* requireFullPermission */, false /* checkShell */, 7406 "get packages holding permissions"); 7407 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7408 7409 // writer 7410 synchronized (mPackages) { 7411 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 7412 boolean[] tmpBools = new boolean[permissions.length]; 7413 if (listUninstalled) { 7414 for (PackageSetting ps : mSettings.mPackages.values()) { 7415 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 7416 userId); 7417 } 7418 } else { 7419 for (PackageParser.Package pkg : mPackages.values()) { 7420 PackageSetting ps = (PackageSetting)pkg.mExtras; 7421 if (ps != null) { 7422 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 7423 userId); 7424 } 7425 } 7426 } 7427 7428 return new ParceledListSlice<PackageInfo>(list); 7429 } 7430 } 7431 7432 @Override 7433 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 7434 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7435 flags = updateFlagsForApplication(flags, userId, null); 7436 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7437 7438 // writer 7439 synchronized (mPackages) { 7440 ArrayList<ApplicationInfo> list; 7441 if (listUninstalled) { 7442 list = new ArrayList<>(mSettings.mPackages.size()); 7443 for (PackageSetting ps : mSettings.mPackages.values()) { 7444 ApplicationInfo ai; 7445 int effectiveFlags = flags; 7446 if (ps.isSystem()) { 7447 effectiveFlags |= PackageManager.MATCH_ANY_USER; 7448 } 7449 if (ps.pkg != null) { 7450 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 7451 continue; 7452 } 7453 ai = PackageParser.generateApplicationInfo(ps.pkg, effectiveFlags, 7454 ps.readUserState(userId), userId); 7455 if (ai != null) { 7456 rebaseEnabledOverlays(ai, userId); 7457 ai.packageName = resolveExternalPackageNameLPr(ps.pkg); 7458 } 7459 } else { 7460 // Shared lib filtering done in generateApplicationInfoFromSettingsLPw 7461 // and already converts to externally visible package name 7462 ai = generateApplicationInfoFromSettingsLPw(ps.name, 7463 Binder.getCallingUid(), effectiveFlags, userId); 7464 } 7465 if (ai != null) { 7466 list.add(ai); 7467 } 7468 } 7469 } else { 7470 list = new ArrayList<>(mPackages.size()); 7471 for (PackageParser.Package p : mPackages.values()) { 7472 if (p.mExtras != null) { 7473 PackageSetting ps = (PackageSetting) p.mExtras; 7474 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId)) { 7475 continue; 7476 } 7477 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 7478 ps.readUserState(userId), userId); 7479 if (ai != null) { 7480 rebaseEnabledOverlays(ai, userId); 7481 ai.packageName = resolveExternalPackageNameLPr(p); 7482 list.add(ai); 7483 } 7484 } 7485 } 7486 } 7487 7488 return new ParceledListSlice<>(list); 7489 } 7490 } 7491 7492 @Override 7493 public ParceledListSlice<InstantAppInfo> getInstantApps(int userId) { 7494 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7495 return null; 7496 } 7497 7498 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_INSTANT_APPS, 7499 "getEphemeralApplications"); 7500 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7501 true /* requireFullPermission */, false /* checkShell */, 7502 "getEphemeralApplications"); 7503 synchronized (mPackages) { 7504 List<InstantAppInfo> instantApps = mInstantAppRegistry 7505 .getInstantAppsLPr(userId); 7506 if (instantApps != null) { 7507 return new ParceledListSlice<>(instantApps); 7508 } 7509 } 7510 return null; 7511 } 7512 7513 @Override 7514 public boolean isInstantApp(String packageName, int userId) { 7515 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7516 true /* requireFullPermission */, false /* checkShell */, 7517 "isInstantApp"); 7518 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7519 return false; 7520 } 7521 int uid = Binder.getCallingUid(); 7522 if (Process.isIsolated(uid)) { 7523 uid = mIsolatedOwners.get(uid); 7524 } 7525 7526 synchronized (mPackages) { 7527 final PackageSetting ps = mSettings.mPackages.get(packageName); 7528 PackageParser.Package pkg = mPackages.get(packageName); 7529 final boolean returnAllowed = 7530 ps != null 7531 && (isCallerSameApp(packageName, uid) 7532 || mContext.checkCallingOrSelfPermission( 7533 android.Manifest.permission.ACCESS_INSTANT_APPS) 7534 == PERMISSION_GRANTED 7535 || mInstantAppRegistry.isInstantAccessGranted( 7536 userId, UserHandle.getAppId(uid), ps.appId)); 7537 if (returnAllowed) { 7538 return ps.getInstantApp(userId); 7539 } 7540 } 7541 return false; 7542 } 7543 7544 @Override 7545 public byte[] getInstantAppCookie(String packageName, int userId) { 7546 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7547 return null; 7548 } 7549 7550 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7551 true /* requireFullPermission */, false /* checkShell */, 7552 "getInstantAppCookie"); 7553 if (!isCallerSameApp(packageName, Binder.getCallingUid())) { 7554 return null; 7555 } 7556 synchronized (mPackages) { 7557 return mInstantAppRegistry.getInstantAppCookieLPw( 7558 packageName, userId); 7559 } 7560 } 7561 7562 @Override 7563 public boolean setInstantAppCookie(String packageName, byte[] cookie, int userId) { 7564 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7565 return true; 7566 } 7567 7568 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7569 true /* requireFullPermission */, true /* checkShell */, 7570 "setInstantAppCookie"); 7571 if (!isCallerSameApp(packageName, Binder.getCallingUid())) { 7572 return false; 7573 } 7574 synchronized (mPackages) { 7575 return mInstantAppRegistry.setInstantAppCookieLPw( 7576 packageName, cookie, userId); 7577 } 7578 } 7579 7580 @Override 7581 public Bitmap getInstantAppIcon(String packageName, int userId) { 7582 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7583 return null; 7584 } 7585 7586 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_INSTANT_APPS, 7587 "getInstantAppIcon"); 7588 7589 enforceCrossUserPermission(Binder.getCallingUid(), userId, 7590 true /* requireFullPermission */, false /* checkShell */, 7591 "getInstantAppIcon"); 7592 7593 synchronized (mPackages) { 7594 return mInstantAppRegistry.getInstantAppIconLPw( 7595 packageName, userId); 7596 } 7597 } 7598 7599 private boolean isCallerSameApp(String packageName, int uid) { 7600 PackageParser.Package pkg = mPackages.get(packageName); 7601 return pkg != null 7602 && UserHandle.getAppId(uid) == pkg.applicationInfo.uid; 7603 } 7604 7605 @Override 7606 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 7607 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 7608 } 7609 7610 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 7611 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 7612 7613 // reader 7614 synchronized (mPackages) { 7615 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 7616 final int userId = UserHandle.getCallingUserId(); 7617 while (i.hasNext()) { 7618 final PackageParser.Package p = i.next(); 7619 if (p.applicationInfo == null) continue; 7620 7621 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 7622 && !p.applicationInfo.isDirectBootAware(); 7623 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 7624 && p.applicationInfo.isDirectBootAware(); 7625 7626 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 7627 && (!mSafeMode || isSystemApp(p)) 7628 && (matchesUnaware || matchesAware)) { 7629 PackageSetting ps = mSettings.mPackages.get(p.packageName); 7630 if (ps != null) { 7631 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 7632 ps.readUserState(userId), userId); 7633 if (ai != null) { 7634 rebaseEnabledOverlays(ai, userId); 7635 finalList.add(ai); 7636 } 7637 } 7638 } 7639 } 7640 } 7641 7642 return finalList; 7643 } 7644 7645 @Override 7646 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 7647 if (!sUserManager.exists(userId)) return null; 7648 flags = updateFlagsForComponent(flags, userId, name); 7649 final String instantAppPkgName = getInstantAppPackageName(Binder.getCallingUid()); 7650 // reader 7651 synchronized (mPackages) { 7652 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 7653 PackageSetting ps = provider != null 7654 ? mSettings.mPackages.get(provider.owner.packageName) 7655 : null; 7656 if (ps != null) { 7657 final boolean isInstantApp = ps.getInstantApp(userId); 7658 // normal application; filter out instant application provider 7659 if (instantAppPkgName == null && isInstantApp) { 7660 return null; 7661 } 7662 // instant application; filter out other instant applications 7663 if (instantAppPkgName != null 7664 && isInstantApp 7665 && !provider.owner.packageName.equals(instantAppPkgName)) { 7666 return null; 7667 } 7668 // instant application; filter out non-exposed provider 7669 if (instantAppPkgName != null 7670 && (provider.info.flags & ProviderInfo.FLAG_VISIBLE_TO_EPHEMERAL) == 0) { 7671 return null; 7672 } 7673 // provider not enabled 7674 if (!mSettings.isEnabledAndMatchLPr(provider.info, flags, userId)) { 7675 return null; 7676 } 7677 return PackageParser.generateProviderInfo( 7678 provider, flags, ps.readUserState(userId), userId); 7679 } 7680 return null; 7681 } 7682 } 7683 7684 /** 7685 * @deprecated 7686 */ 7687 @Deprecated 7688 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 7689 // reader 7690 synchronized (mPackages) { 7691 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 7692 .entrySet().iterator(); 7693 final int userId = UserHandle.getCallingUserId(); 7694 while (i.hasNext()) { 7695 Map.Entry<String, PackageParser.Provider> entry = i.next(); 7696 PackageParser.Provider p = entry.getValue(); 7697 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 7698 7699 if (ps != null && p.syncable 7700 && (!mSafeMode || (p.info.applicationInfo.flags 7701 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 7702 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 7703 ps.readUserState(userId), userId); 7704 if (info != null) { 7705 outNames.add(entry.getKey()); 7706 outInfo.add(info); 7707 } 7708 } 7709 } 7710 } 7711 } 7712 7713 @Override 7714 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 7715 int uid, int flags, String metaDataKey) { 7716 final int userId = processName != null ? UserHandle.getUserId(uid) 7717 : UserHandle.getCallingUserId(); 7718 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7719 flags = updateFlagsForComponent(flags, userId, processName); 7720 7721 ArrayList<ProviderInfo> finalList = null; 7722 // reader 7723 synchronized (mPackages) { 7724 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 7725 while (i.hasNext()) { 7726 final PackageParser.Provider p = i.next(); 7727 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 7728 if (ps != null && p.info.authority != null 7729 && (processName == null 7730 || (p.info.processName.equals(processName) 7731 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 7732 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 7733 7734 // See PM.queryContentProviders()'s javadoc for why we have the metaData 7735 // parameter. 7736 if (metaDataKey != null 7737 && (p.metaData == null || !p.metaData.containsKey(metaDataKey))) { 7738 continue; 7739 } 7740 7741 if (finalList == null) { 7742 finalList = new ArrayList<ProviderInfo>(3); 7743 } 7744 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 7745 ps.readUserState(userId), userId); 7746 if (info != null) { 7747 finalList.add(info); 7748 } 7749 } 7750 } 7751 } 7752 7753 if (finalList != null) { 7754 Collections.sort(finalList, mProviderInitOrderSorter); 7755 return new ParceledListSlice<ProviderInfo>(finalList); 7756 } 7757 7758 return ParceledListSlice.emptyList(); 7759 } 7760 7761 @Override 7762 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 7763 // reader 7764 synchronized (mPackages) { 7765 final PackageParser.Instrumentation i = mInstrumentation.get(name); 7766 return PackageParser.generateInstrumentationInfo(i, flags); 7767 } 7768 } 7769 7770 @Override 7771 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 7772 String targetPackage, int flags) { 7773 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 7774 } 7775 7776 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 7777 int flags) { 7778 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 7779 7780 // reader 7781 synchronized (mPackages) { 7782 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 7783 while (i.hasNext()) { 7784 final PackageParser.Instrumentation p = i.next(); 7785 if (targetPackage == null 7786 || targetPackage.equals(p.info.targetPackage)) { 7787 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 7788 flags); 7789 if (ii != null) { 7790 finalList.add(ii); 7791 } 7792 } 7793 } 7794 } 7795 7796 return finalList; 7797 } 7798 7799 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 7800 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir [" + dir.getAbsolutePath() + "]"); 7801 try { 7802 scanDirLI(dir, parseFlags, scanFlags, currentTime); 7803 } finally { 7804 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7805 } 7806 } 7807 7808 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 7809 final File[] files = dir.listFiles(); 7810 if (ArrayUtils.isEmpty(files)) { 7811 Log.d(TAG, "No files in app dir " + dir); 7812 return; 7813 } 7814 7815 if (DEBUG_PACKAGE_SCANNING) { 7816 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 7817 + " flags=0x" + Integer.toHexString(parseFlags)); 7818 } 7819 ParallelPackageParser parallelPackageParser = new ParallelPackageParser( 7820 mSeparateProcesses, mOnlyCore, mMetrics, mCacheDir, mPackageParserCallback); 7821 7822 // Submit files for parsing in parallel 7823 int fileCount = 0; 7824 for (File file : files) { 7825 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 7826 && !PackageInstallerService.isStageName(file.getName()); 7827 if (!isPackage) { 7828 // Ignore entries which are not packages 7829 continue; 7830 } 7831 parallelPackageParser.submit(file, parseFlags); 7832 fileCount++; 7833 } 7834 7835 // Process results one by one 7836 for (; fileCount > 0; fileCount--) { 7837 ParallelPackageParser.ParseResult parseResult = parallelPackageParser.take(); 7838 Throwable throwable = parseResult.throwable; 7839 int errorCode = PackageManager.INSTALL_SUCCEEDED; 7840 7841 if (throwable == null) { 7842 // Static shared libraries have synthetic package names 7843 if (parseResult.pkg.applicationInfo.isStaticSharedLibrary()) { 7844 renameStaticSharedLibraryPackage(parseResult.pkg); 7845 } 7846 try { 7847 if (errorCode == PackageManager.INSTALL_SUCCEEDED) { 7848 scanPackageLI(parseResult.pkg, parseResult.scanFile, parseFlags, scanFlags, 7849 currentTime, null); 7850 } 7851 } catch (PackageManagerException e) { 7852 errorCode = e.error; 7853 Slog.w(TAG, "Failed to scan " + parseResult.scanFile + ": " + e.getMessage()); 7854 } 7855 } else if (throwable instanceof PackageParser.PackageParserException) { 7856 PackageParser.PackageParserException e = (PackageParser.PackageParserException) 7857 throwable; 7858 errorCode = e.error; 7859 Slog.w(TAG, "Failed to parse " + parseResult.scanFile + ": " + e.getMessage()); 7860 } else { 7861 throw new IllegalStateException("Unexpected exception occurred while parsing " 7862 + parseResult.scanFile, throwable); 7863 } 7864 7865 // Delete invalid userdata apps 7866 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 7867 errorCode == PackageManager.INSTALL_FAILED_INVALID_APK) { 7868 logCriticalInfo(Log.WARN, 7869 "Deleting invalid package at " + parseResult.scanFile); 7870 removeCodePathLI(parseResult.scanFile); 7871 } 7872 } 7873 parallelPackageParser.close(); 7874 } 7875 7876 private static File getSettingsProblemFile() { 7877 File dataDir = Environment.getDataDirectory(); 7878 File systemDir = new File(dataDir, "system"); 7879 File fname = new File(systemDir, "uiderrors.txt"); 7880 return fname; 7881 } 7882 7883 static void reportSettingsProblem(int priority, String msg) { 7884 logCriticalInfo(priority, msg); 7885 } 7886 7887 public static void logCriticalInfo(int priority, String msg) { 7888 Slog.println(priority, TAG, msg); 7889 EventLogTags.writePmCriticalInfo(msg); 7890 try { 7891 File fname = getSettingsProblemFile(); 7892 FileOutputStream out = new FileOutputStream(fname, true); 7893 PrintWriter pw = new FastPrintWriter(out); 7894 SimpleDateFormat formatter = new SimpleDateFormat(); 7895 String dateString = formatter.format(new Date(System.currentTimeMillis())); 7896 pw.println(dateString + ": " + msg); 7897 pw.close(); 7898 FileUtils.setPermissions( 7899 fname.toString(), 7900 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 7901 -1, -1); 7902 } catch (java.io.IOException e) { 7903 } 7904 } 7905 7906 private long getLastModifiedTime(PackageParser.Package pkg, File srcFile) { 7907 if (srcFile.isDirectory()) { 7908 final File baseFile = new File(pkg.baseCodePath); 7909 long maxModifiedTime = baseFile.lastModified(); 7910 if (pkg.splitCodePaths != null) { 7911 for (int i = pkg.splitCodePaths.length - 1; i >=0; --i) { 7912 final File splitFile = new File(pkg.splitCodePaths[i]); 7913 maxModifiedTime = Math.max(maxModifiedTime, splitFile.lastModified()); 7914 } 7915 } 7916 return maxModifiedTime; 7917 } 7918 return srcFile.lastModified(); 7919 } 7920 7921 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 7922 final int policyFlags) throws PackageManagerException { 7923 // When upgrading from pre-N MR1, verify the package time stamp using the package 7924 // directory and not the APK file. 7925 final long lastModifiedTime = mIsPreNMR1Upgrade 7926 ? new File(pkg.codePath).lastModified() : getLastModifiedTime(pkg, srcFile); 7927 if (ps != null 7928 && ps.codePath.equals(srcFile) 7929 && ps.timeStamp == lastModifiedTime 7930 && !isCompatSignatureUpdateNeeded(pkg) 7931 && !isRecoverSignatureUpdateNeeded(pkg)) { 7932 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 7933 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7934 ArraySet<PublicKey> signingKs; 7935 synchronized (mPackages) { 7936 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 7937 } 7938 if (ps.signatures.mSignatures != null 7939 && ps.signatures.mSignatures.length != 0 7940 && signingKs != null) { 7941 // Optimization: reuse the existing cached certificates 7942 // if the package appears to be unchanged. 7943 pkg.mSignatures = ps.signatures.mSignatures; 7944 pkg.mSigningKeys = signingKs; 7945 return; 7946 } 7947 7948 Slog.w(TAG, "PackageSetting for " + ps.name 7949 + " is missing signatures. Collecting certs again to recover them."); 7950 } else { 7951 Slog.i(TAG, srcFile.toString() + " changed; collecting certs"); 7952 } 7953 7954 try { 7955 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 7956 PackageParser.collectCertificates(pkg, policyFlags); 7957 } catch (PackageParserException e) { 7958 throw PackageManagerException.from(e); 7959 } finally { 7960 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7961 } 7962 } 7963 7964 /** 7965 * Traces a package scan. 7966 * @see #scanPackageLI(File, int, int, long, UserHandle) 7967 */ 7968 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 7969 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 7970 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage [" + scanFile.toString() + "]"); 7971 try { 7972 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 7973 } finally { 7974 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7975 } 7976 } 7977 7978 /** 7979 * Scans a package and returns the newly parsed package. 7980 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 7981 */ 7982 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 7983 long currentTime, UserHandle user) throws PackageManagerException { 7984 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 7985 PackageParser pp = new PackageParser(); 7986 pp.setSeparateProcesses(mSeparateProcesses); 7987 pp.setOnlyCoreApps(mOnlyCore); 7988 pp.setDisplayMetrics(mMetrics); 7989 pp.setCallback(mPackageParserCallback); 7990 7991 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 7992 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 7993 } 7994 7995 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 7996 final PackageParser.Package pkg; 7997 try { 7998 pkg = pp.parsePackage(scanFile, parseFlags); 7999 } catch (PackageParserException e) { 8000 throw PackageManagerException.from(e); 8001 } finally { 8002 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8003 } 8004 8005 // Static shared libraries have synthetic package names 8006 if (pkg.applicationInfo.isStaticSharedLibrary()) { 8007 renameStaticSharedLibraryPackage(pkg); 8008 } 8009 8010 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 8011 } 8012 8013 /** 8014 * Scans a package and returns the newly parsed package. 8015 * @throws PackageManagerException on a parse error. 8016 */ 8017 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 8018 final int policyFlags, int scanFlags, long currentTime, @Nullable UserHandle user) 8019 throws PackageManagerException { 8020 // If the package has children and this is the first dive in the function 8021 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 8022 // packages (parent and children) would be successfully scanned before the 8023 // actual scan since scanning mutates internal state and we want to atomically 8024 // install the package and its children. 8025 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8026 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 8027 scanFlags |= SCAN_CHECK_ONLY; 8028 } 8029 } else { 8030 scanFlags &= ~SCAN_CHECK_ONLY; 8031 } 8032 8033 // Scan the parent 8034 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 8035 scanFlags, currentTime, user); 8036 8037 // Scan the children 8038 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8039 for (int i = 0; i < childCount; i++) { 8040 PackageParser.Package childPackage = pkg.childPackages.get(i); 8041 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 8042 currentTime, user); 8043 } 8044 8045 8046 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8047 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 8048 } 8049 8050 return scannedPkg; 8051 } 8052 8053 /** 8054 * Scans a package and returns the newly parsed package. 8055 * @throws PackageManagerException on a parse error. 8056 */ 8057 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 8058 int policyFlags, int scanFlags, long currentTime, @Nullable UserHandle user) 8059 throws PackageManagerException { 8060 PackageSetting ps = null; 8061 PackageSetting updatedPkg; 8062 // reader 8063 synchronized (mPackages) { 8064 // Look to see if we already know about this package. 8065 String oldName = mSettings.getRenamedPackageLPr(pkg.packageName); 8066 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 8067 // This package has been renamed to its original name. Let's 8068 // use that. 8069 ps = mSettings.getPackageLPr(oldName); 8070 } 8071 // If there was no original package, see one for the real package name. 8072 if (ps == null) { 8073 ps = mSettings.getPackageLPr(pkg.packageName); 8074 } 8075 // Check to see if this package could be hiding/updating a system 8076 // package. Must look for it either under the original or real 8077 // package name depending on our state. 8078 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 8079 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 8080 8081 // If this is a package we don't know about on the system partition, we 8082 // may need to remove disabled child packages on the system partition 8083 // or may need to not add child packages if the parent apk is updated 8084 // on the data partition and no longer defines this child package. 8085 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 8086 // If this is a parent package for an updated system app and this system 8087 // app got an OTA update which no longer defines some of the child packages 8088 // we have to prune them from the disabled system packages. 8089 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 8090 if (disabledPs != null) { 8091 final int scannedChildCount = (pkg.childPackages != null) 8092 ? pkg.childPackages.size() : 0; 8093 final int disabledChildCount = disabledPs.childPackageNames != null 8094 ? disabledPs.childPackageNames.size() : 0; 8095 for (int i = 0; i < disabledChildCount; i++) { 8096 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 8097 boolean disabledPackageAvailable = false; 8098 for (int j = 0; j < scannedChildCount; j++) { 8099 PackageParser.Package childPkg = pkg.childPackages.get(j); 8100 if (childPkg.packageName.equals(disabledChildPackageName)) { 8101 disabledPackageAvailable = true; 8102 break; 8103 } 8104 } 8105 if (!disabledPackageAvailable) { 8106 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 8107 } 8108 } 8109 } 8110 } 8111 } 8112 8113 boolean updatedPkgBetter = false; 8114 // First check if this is a system package that may involve an update 8115 if (updatedPkg != null && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 8116 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 8117 // it needs to drop FLAG_PRIVILEGED. 8118 if (locationIsPrivileged(scanFile)) { 8119 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 8120 } else { 8121 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 8122 } 8123 8124 if (ps != null && !ps.codePath.equals(scanFile)) { 8125 // The path has changed from what was last scanned... check the 8126 // version of the new path against what we have stored to determine 8127 // what to do. 8128 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 8129 if (pkg.mVersionCode <= ps.versionCode) { 8130 // The system package has been updated and the code path does not match 8131 // Ignore entry. Skip it. 8132 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 8133 + " ignored: updated version " + ps.versionCode 8134 + " better than this " + pkg.mVersionCode); 8135 if (!updatedPkg.codePath.equals(scanFile)) { 8136 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 8137 + ps.name + " changing from " + updatedPkg.codePathString 8138 + " to " + scanFile); 8139 updatedPkg.codePath = scanFile; 8140 updatedPkg.codePathString = scanFile.toString(); 8141 updatedPkg.resourcePath = scanFile; 8142 updatedPkg.resourcePathString = scanFile.toString(); 8143 } 8144 updatedPkg.pkg = pkg; 8145 updatedPkg.versionCode = pkg.mVersionCode; 8146 8147 // Update the disabled system child packages to point to the package too. 8148 final int childCount = updatedPkg.childPackageNames != null 8149 ? updatedPkg.childPackageNames.size() : 0; 8150 for (int i = 0; i < childCount; i++) { 8151 String childPackageName = updatedPkg.childPackageNames.get(i); 8152 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 8153 childPackageName); 8154 if (updatedChildPkg != null) { 8155 updatedChildPkg.pkg = pkg; 8156 updatedChildPkg.versionCode = pkg.mVersionCode; 8157 } 8158 } 8159 8160 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 8161 + scanFile + " ignored: updated version " + ps.versionCode 8162 + " better than this " + pkg.mVersionCode); 8163 } else { 8164 // The current app on the system partition is better than 8165 // what we have updated to on the data partition; switch 8166 // back to the system partition version. 8167 // At this point, its safely assumed that package installation for 8168 // apps in system partition will go through. If not there won't be a working 8169 // version of the app 8170 // writer 8171 synchronized (mPackages) { 8172 // Just remove the loaded entries from package lists. 8173 mPackages.remove(ps.name); 8174 } 8175 8176 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 8177 + " reverting from " + ps.codePathString 8178 + ": new version " + pkg.mVersionCode 8179 + " better than installed " + ps.versionCode); 8180 8181 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 8182 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 8183 synchronized (mInstallLock) { 8184 args.cleanUpResourcesLI(); 8185 } 8186 synchronized (mPackages) { 8187 mSettings.enableSystemPackageLPw(ps.name); 8188 } 8189 updatedPkgBetter = true; 8190 } 8191 } 8192 } 8193 8194 if (updatedPkg != null) { 8195 // An updated system app will not have the PARSE_IS_SYSTEM flag set 8196 // initially 8197 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 8198 8199 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 8200 // flag set initially 8201 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 8202 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 8203 } 8204 } 8205 8206 // Verify certificates against what was last scanned 8207 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 8208 8209 /* 8210 * A new system app appeared, but we already had a non-system one of the 8211 * same name installed earlier. 8212 */ 8213 boolean shouldHideSystemApp = false; 8214 if (updatedPkg == null && ps != null 8215 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 8216 /* 8217 * Check to make sure the signatures match first. If they don't, 8218 * wipe the installed application and its data. 8219 */ 8220 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 8221 != PackageManager.SIGNATURE_MATCH) { 8222 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 8223 + " signatures don't match existing userdata copy; removing"); 8224 try (PackageFreezer freezer = freezePackage(pkg.packageName, 8225 "scanPackageInternalLI")) { 8226 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 8227 } 8228 ps = null; 8229 } else { 8230 /* 8231 * If the newly-added system app is an older version than the 8232 * already installed version, hide it. It will be scanned later 8233 * and re-added like an update. 8234 */ 8235 if (pkg.mVersionCode <= ps.versionCode) { 8236 shouldHideSystemApp = true; 8237 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 8238 + " but new version " + pkg.mVersionCode + " better than installed " 8239 + ps.versionCode + "; hiding system"); 8240 } else { 8241 /* 8242 * The newly found system app is a newer version that the 8243 * one previously installed. Simply remove the 8244 * already-installed application and replace it with our own 8245 * while keeping the application data. 8246 */ 8247 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 8248 + " reverting from " + ps.codePathString + ": new version " 8249 + pkg.mVersionCode + " better than installed " + ps.versionCode); 8250 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 8251 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 8252 synchronized (mInstallLock) { 8253 args.cleanUpResourcesLI(); 8254 } 8255 } 8256 } 8257 } 8258 8259 // The apk is forward locked (not public) if its code and resources 8260 // are kept in different files. (except for app in either system or 8261 // vendor path). 8262 // TODO grab this value from PackageSettings 8263 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8264 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 8265 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 8266 } 8267 } 8268 8269 // TODO: extend to support forward-locked splits 8270 String resourcePath = null; 8271 String baseResourcePath = null; 8272 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 8273 if (ps != null && ps.resourcePathString != null) { 8274 resourcePath = ps.resourcePathString; 8275 baseResourcePath = ps.resourcePathString; 8276 } else { 8277 // Should not happen at all. Just log an error. 8278 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 8279 } 8280 } else { 8281 resourcePath = pkg.codePath; 8282 baseResourcePath = pkg.baseCodePath; 8283 } 8284 8285 // Set application objects path explicitly. 8286 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 8287 pkg.setApplicationInfoCodePath(pkg.codePath); 8288 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 8289 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 8290 pkg.setApplicationInfoResourcePath(resourcePath); 8291 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 8292 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 8293 8294 final int userId = ((user == null) ? 0 : user.getIdentifier()); 8295 if (ps != null && ps.getInstantApp(userId)) { 8296 scanFlags |= SCAN_AS_INSTANT_APP; 8297 } 8298 8299 // Note that we invoke the following method only if we are about to unpack an application 8300 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 8301 | SCAN_UPDATE_SIGNATURE, currentTime, user); 8302 8303 /* 8304 * If the system app should be overridden by a previously installed 8305 * data, hide the system app now and let the /data/app scan pick it up 8306 * again. 8307 */ 8308 if (shouldHideSystemApp) { 8309 synchronized (mPackages) { 8310 mSettings.disableSystemPackageLPw(pkg.packageName, true); 8311 } 8312 } 8313 8314 return scannedPkg; 8315 } 8316 8317 private void renameStaticSharedLibraryPackage(PackageParser.Package pkg) { 8318 // Derive the new package synthetic package name 8319 pkg.setPackageName(pkg.packageName + STATIC_SHARED_LIB_DELIMITER 8320 + pkg.staticSharedLibVersion); 8321 } 8322 8323 private static String fixProcessName(String defProcessName, 8324 String processName) { 8325 if (processName == null) { 8326 return defProcessName; 8327 } 8328 return processName; 8329 } 8330 8331 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 8332 throws PackageManagerException { 8333 if (pkgSetting.signatures.mSignatures != null) { 8334 // Already existing package. Make sure signatures match 8335 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 8336 == PackageManager.SIGNATURE_MATCH; 8337 if (!match) { 8338 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 8339 == PackageManager.SIGNATURE_MATCH; 8340 } 8341 if (!match) { 8342 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 8343 == PackageManager.SIGNATURE_MATCH; 8344 } 8345 if (!match) { 8346 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 8347 + pkg.packageName + " signatures do not match the " 8348 + "previously installed version; ignoring!"); 8349 } 8350 } 8351 8352 // Check for shared user signatures 8353 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 8354 // Already existing package. Make sure signatures match 8355 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 8356 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 8357 if (!match) { 8358 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 8359 == PackageManager.SIGNATURE_MATCH; 8360 } 8361 if (!match) { 8362 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 8363 == PackageManager.SIGNATURE_MATCH; 8364 } 8365 if (!match) { 8366 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 8367 "Package " + pkg.packageName 8368 + " has no signatures that match those in shared user " 8369 + pkgSetting.sharedUser.name + "; ignoring!"); 8370 } 8371 } 8372 } 8373 8374 /** 8375 * Enforces that only the system UID or root's UID can call a method exposed 8376 * via Binder. 8377 * 8378 * @param message used as message if SecurityException is thrown 8379 * @throws SecurityException if the caller is not system or root 8380 */ 8381 private static final void enforceSystemOrRoot(String message) { 8382 final int uid = Binder.getCallingUid(); 8383 if (uid != Process.SYSTEM_UID && uid != 0) { 8384 throw new SecurityException(message); 8385 } 8386 } 8387 8388 @Override 8389 public void performFstrimIfNeeded() { 8390 enforceSystemOrRoot("Only the system can request fstrim"); 8391 8392 // Before everything else, see whether we need to fstrim. 8393 try { 8394 IStorageManager sm = PackageHelper.getStorageManager(); 8395 if (sm != null) { 8396 boolean doTrim = false; 8397 final long interval = android.provider.Settings.Global.getLong( 8398 mContext.getContentResolver(), 8399 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 8400 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 8401 if (interval > 0) { 8402 final long timeSinceLast = System.currentTimeMillis() - sm.lastMaintenance(); 8403 if (timeSinceLast > interval) { 8404 doTrim = true; 8405 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 8406 + "; running immediately"); 8407 } 8408 } 8409 if (doTrim) { 8410 final boolean dexOptDialogShown; 8411 synchronized (mPackages) { 8412 dexOptDialogShown = mDexOptDialogShown; 8413 } 8414 if (!isFirstBoot() && dexOptDialogShown) { 8415 try { 8416 ActivityManager.getService().showBootMessage( 8417 mContext.getResources().getString( 8418 R.string.android_upgrading_fstrim), true); 8419 } catch (RemoteException e) { 8420 } 8421 } 8422 sm.runMaintenance(); 8423 } 8424 } else { 8425 Slog.e(TAG, "storageManager service unavailable!"); 8426 } 8427 } catch (RemoteException e) { 8428 // Can't happen; StorageManagerService is local 8429 } 8430 } 8431 8432 @Override 8433 public void updatePackagesIfNeeded() { 8434 enforceSystemOrRoot("Only the system can request package update"); 8435 8436 // We need to re-extract after an OTA. 8437 boolean causeUpgrade = isUpgrade(); 8438 8439 // First boot or factory reset. 8440 // Note: we also handle devices that are upgrading to N right now as if it is their 8441 // first boot, as they do not have profile data. 8442 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 8443 8444 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 8445 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 8446 8447 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 8448 return; 8449 } 8450 8451 List<PackageParser.Package> pkgs; 8452 synchronized (mPackages) { 8453 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 8454 } 8455 8456 final long startTime = System.nanoTime(); 8457 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 8458 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT)); 8459 8460 final int elapsedTimeSeconds = 8461 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 8462 8463 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 8464 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 8465 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 8466 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 8467 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 8468 } 8469 8470 /** 8471 * Performs dexopt on the set of packages in {@code packages} and returns an int array 8472 * containing statistics about the invocation. The array consists of three elements, 8473 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 8474 * and {@code numberOfPackagesFailed}. 8475 */ 8476 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 8477 String compilerFilter) { 8478 8479 int numberOfPackagesVisited = 0; 8480 int numberOfPackagesOptimized = 0; 8481 int numberOfPackagesSkipped = 0; 8482 int numberOfPackagesFailed = 0; 8483 final int numberOfPackagesToDexopt = pkgs.size(); 8484 8485 for (PackageParser.Package pkg : pkgs) { 8486 numberOfPackagesVisited++; 8487 8488 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 8489 if (DEBUG_DEXOPT) { 8490 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 8491 } 8492 numberOfPackagesSkipped++; 8493 continue; 8494 } 8495 8496 if (DEBUG_DEXOPT) { 8497 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 8498 numberOfPackagesToDexopt + ": " + pkg.packageName); 8499 } 8500 8501 if (showDialog) { 8502 try { 8503 ActivityManager.getService().showBootMessage( 8504 mContext.getResources().getString(R.string.android_upgrading_apk, 8505 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 8506 } catch (RemoteException e) { 8507 } 8508 synchronized (mPackages) { 8509 mDexOptDialogShown = true; 8510 } 8511 } 8512 8513 // If the OTA updates a system app which was previously preopted to a non-preopted state 8514 // the app might end up being verified at runtime. That's because by default the apps 8515 // are verify-profile but for preopted apps there's no profile. 8516 // Do a hacky check to ensure that if we have no profiles (a reasonable indication 8517 // that before the OTA the app was preopted) the app gets compiled with a non-profile 8518 // filter (by default interpret-only). 8519 // Note that at this stage unused apps are already filtered. 8520 if (isSystemApp(pkg) && 8521 DexFile.isProfileGuidedCompilerFilter(compilerFilter) && 8522 !Environment.getReferenceProfile(pkg.packageName).exists()) { 8523 compilerFilter = getNonProfileGuidedCompilerFilter(compilerFilter); 8524 } 8525 8526 // checkProfiles is false to avoid merging profiles during boot which 8527 // might interfere with background compilation (b/28612421). 8528 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 8529 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 8530 // trade-off worth doing to save boot time work. 8531 int dexOptStatus = performDexOptTraced(pkg.packageName, 8532 false /* checkProfiles */, 8533 compilerFilter, 8534 false /* force */); 8535 switch (dexOptStatus) { 8536 case PackageDexOptimizer.DEX_OPT_PERFORMED: 8537 numberOfPackagesOptimized++; 8538 break; 8539 case PackageDexOptimizer.DEX_OPT_SKIPPED: 8540 numberOfPackagesSkipped++; 8541 break; 8542 case PackageDexOptimizer.DEX_OPT_FAILED: 8543 numberOfPackagesFailed++; 8544 break; 8545 default: 8546 Log.e(TAG, "Unexpected dexopt return code " + dexOptStatus); 8547 break; 8548 } 8549 } 8550 8551 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 8552 numberOfPackagesFailed }; 8553 } 8554 8555 @Override 8556 public void notifyPackageUse(String packageName, int reason) { 8557 synchronized (mPackages) { 8558 PackageParser.Package p = mPackages.get(packageName); 8559 if (p == null) { 8560 return; 8561 } 8562 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 8563 } 8564 } 8565 8566 @Override 8567 public void notifyDexLoad(String loadingPackageName, List<String> dexPaths, String loaderIsa) { 8568 int userId = UserHandle.getCallingUserId(); 8569 ApplicationInfo ai = getApplicationInfo(loadingPackageName, /*flags*/ 0, userId); 8570 if (ai == null) { 8571 Slog.w(TAG, "Loading a package that does not exist for the calling user. package=" 8572 + loadingPackageName + ", user=" + userId); 8573 return; 8574 } 8575 mDexManager.notifyDexLoad(ai, dexPaths, loaderIsa, userId); 8576 } 8577 8578 // TODO: this is not used nor needed. Delete it. 8579 @Override 8580 public boolean performDexOptIfNeeded(String packageName) { 8581 int dexOptStatus = performDexOptTraced(packageName, 8582 false /* checkProfiles */, getFullCompilerFilter(), false /* force */); 8583 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 8584 } 8585 8586 @Override 8587 public boolean performDexOpt(String packageName, 8588 boolean checkProfiles, int compileReason, boolean force) { 8589 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 8590 getCompilerFilterForReason(compileReason), force); 8591 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 8592 } 8593 8594 @Override 8595 public boolean performDexOptMode(String packageName, 8596 boolean checkProfiles, String targetCompilerFilter, boolean force) { 8597 int dexOptStatus = performDexOptTraced(packageName, checkProfiles, 8598 targetCompilerFilter, force); 8599 return dexOptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 8600 } 8601 8602 private int performDexOptTraced(String packageName, 8603 boolean checkProfiles, String targetCompilerFilter, boolean force) { 8604 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 8605 try { 8606 return performDexOptInternal(packageName, checkProfiles, 8607 targetCompilerFilter, force); 8608 } finally { 8609 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8610 } 8611 } 8612 8613 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 8614 // if the package can now be considered up to date for the given filter. 8615 private int performDexOptInternal(String packageName, 8616 boolean checkProfiles, String targetCompilerFilter, boolean force) { 8617 PackageParser.Package p; 8618 synchronized (mPackages) { 8619 p = mPackages.get(packageName); 8620 if (p == null) { 8621 // Package could not be found. Report failure. 8622 return PackageDexOptimizer.DEX_OPT_FAILED; 8623 } 8624 mPackageUsage.maybeWriteAsync(mPackages); 8625 mCompilerStats.maybeWriteAsync(); 8626 } 8627 long callingId = Binder.clearCallingIdentity(); 8628 try { 8629 synchronized (mInstallLock) { 8630 return performDexOptInternalWithDependenciesLI(p, checkProfiles, 8631 targetCompilerFilter, force); 8632 } 8633 } finally { 8634 Binder.restoreCallingIdentity(callingId); 8635 } 8636 } 8637 8638 public ArraySet<String> getOptimizablePackages() { 8639 ArraySet<String> pkgs = new ArraySet<String>(); 8640 synchronized (mPackages) { 8641 for (PackageParser.Package p : mPackages.values()) { 8642 if (PackageDexOptimizer.canOptimizePackage(p)) { 8643 pkgs.add(p.packageName); 8644 } 8645 } 8646 } 8647 return pkgs; 8648 } 8649 8650 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 8651 boolean checkProfiles, String targetCompilerFilter, 8652 boolean force) { 8653 // Select the dex optimizer based on the force parameter. 8654 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 8655 // allocate an object here. 8656 PackageDexOptimizer pdo = force 8657 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 8658 : mPackageDexOptimizer; 8659 8660 // Dexopt all dependencies first. Note: we ignore the return value and march on 8661 // on errors. 8662 // Note that we are going to call performDexOpt on those libraries as many times as 8663 // they are referenced in packages. When we do a batch of performDexOpt (for example 8664 // at boot, or background job), the passed 'targetCompilerFilter' stays the same, 8665 // and the first package that uses the library will dexopt it. The 8666 // others will see that the compiled code for the library is up to date. 8667 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 8668 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 8669 if (!deps.isEmpty()) { 8670 for (PackageParser.Package depPackage : deps) { 8671 // TODO: Analyze and investigate if we (should) profile libraries. 8672 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 8673 false /* checkProfiles */, 8674 targetCompilerFilter, 8675 getOrCreateCompilerPackageStats(depPackage), 8676 true /* isUsedByOtherApps */); 8677 } 8678 } 8679 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, checkProfiles, 8680 targetCompilerFilter, getOrCreateCompilerPackageStats(p), 8681 mDexManager.isUsedByOtherApps(p.packageName)); 8682 } 8683 8684 // Performs dexopt on the used secondary dex files belonging to the given package. 8685 // Returns true if all dex files were process successfully (which could mean either dexopt or 8686 // skip). Returns false if any of the files caused errors. 8687 @Override 8688 public boolean performDexOptSecondary(String packageName, String compilerFilter, 8689 boolean force) { 8690 mDexManager.reconcileSecondaryDexFiles(packageName); 8691 return mDexManager.dexoptSecondaryDex(packageName, compilerFilter, force); 8692 } 8693 8694 public boolean performDexOptSecondary(String packageName, int compileReason, 8695 boolean force) { 8696 return mDexManager.dexoptSecondaryDex(packageName, compileReason, force); 8697 } 8698 8699 /** 8700 * Reconcile the information we have about the secondary dex files belonging to 8701 * {@code packagName} and the actual dex files. For all dex files that were 8702 * deleted, update the internal records and delete the generated oat files. 8703 */ 8704 @Override 8705 public void reconcileSecondaryDexFiles(String packageName) { 8706 mDexManager.reconcileSecondaryDexFiles(packageName); 8707 } 8708 8709 // TODO(calin): this is only needed for BackgroundDexOptService. Find a cleaner way to inject 8710 // a reference there. 8711 /*package*/ DexManager getDexManager() { 8712 return mDexManager; 8713 } 8714 8715 /** 8716 * Execute the background dexopt job immediately. 8717 */ 8718 @Override 8719 public boolean runBackgroundDexoptJob() { 8720 return BackgroundDexOptService.runIdleOptimizationsNow(this, mContext); 8721 } 8722 8723 List<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 8724 if (p.usesLibraries != null || p.usesOptionalLibraries != null 8725 || p.usesStaticLibraries != null) { 8726 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 8727 Set<String> collectedNames = new HashSet<>(); 8728 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 8729 8730 retValue.remove(p); 8731 8732 return retValue; 8733 } else { 8734 return Collections.emptyList(); 8735 } 8736 } 8737 8738 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 8739 ArrayList<PackageParser.Package> collected, Set<String> collectedNames) { 8740 if (!collectedNames.contains(p.packageName)) { 8741 collectedNames.add(p.packageName); 8742 collected.add(p); 8743 8744 if (p.usesLibraries != null) { 8745 findSharedNonSystemLibrariesRecursive(p.usesLibraries, 8746 null, collected, collectedNames); 8747 } 8748 if (p.usesOptionalLibraries != null) { 8749 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, 8750 null, collected, collectedNames); 8751 } 8752 if (p.usesStaticLibraries != null) { 8753 findSharedNonSystemLibrariesRecursive(p.usesStaticLibraries, 8754 p.usesStaticLibrariesVersions, collected, collectedNames); 8755 } 8756 } 8757 } 8758 8759 private void findSharedNonSystemLibrariesRecursive(ArrayList<String> libs, int[] versions, 8760 ArrayList<PackageParser.Package> collected, Set<String> collectedNames) { 8761 final int libNameCount = libs.size(); 8762 for (int i = 0; i < libNameCount; i++) { 8763 String libName = libs.get(i); 8764 int version = (versions != null && versions.length == libNameCount) 8765 ? versions[i] : PackageManager.VERSION_CODE_HIGHEST; 8766 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName, version); 8767 if (libPkg != null) { 8768 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 8769 } 8770 } 8771 } 8772 8773 private PackageParser.Package findSharedNonSystemLibrary(String name, int version) { 8774 synchronized (mPackages) { 8775 SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(name, version); 8776 if (libEntry != null) { 8777 return mPackages.get(libEntry.apk); 8778 } 8779 return null; 8780 } 8781 } 8782 8783 private SharedLibraryEntry getSharedLibraryEntryLPr(String name, int version) { 8784 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 8785 if (versionedLib == null) { 8786 return null; 8787 } 8788 return versionedLib.get(version); 8789 } 8790 8791 private SharedLibraryEntry getLatestSharedLibraVersionLPr(PackageParser.Package pkg) { 8792 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get( 8793 pkg.staticSharedLibName); 8794 if (versionedLib == null) { 8795 return null; 8796 } 8797 int previousLibVersion = -1; 8798 final int versionCount = versionedLib.size(); 8799 for (int i = 0; i < versionCount; i++) { 8800 final int libVersion = versionedLib.keyAt(i); 8801 if (libVersion < pkg.staticSharedLibVersion) { 8802 previousLibVersion = Math.max(previousLibVersion, libVersion); 8803 } 8804 } 8805 if (previousLibVersion >= 0) { 8806 return versionedLib.get(previousLibVersion); 8807 } 8808 return null; 8809 } 8810 8811 public void shutdown() { 8812 mPackageUsage.writeNow(mPackages); 8813 mCompilerStats.writeNow(); 8814 } 8815 8816 @Override 8817 public void dumpProfiles(String packageName) { 8818 PackageParser.Package pkg; 8819 synchronized (mPackages) { 8820 pkg = mPackages.get(packageName); 8821 if (pkg == null) { 8822 throw new IllegalArgumentException("Unknown package: " + packageName); 8823 } 8824 } 8825 /* Only the shell, root, or the app user should be able to dump profiles. */ 8826 int callingUid = Binder.getCallingUid(); 8827 if (callingUid != Process.SHELL_UID && 8828 callingUid != Process.ROOT_UID && 8829 callingUid != pkg.applicationInfo.uid) { 8830 throw new SecurityException("dumpProfiles"); 8831 } 8832 8833 synchronized (mInstallLock) { 8834 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 8835 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 8836 try { 8837 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 8838 String codePaths = TextUtils.join(";", allCodePaths); 8839 mInstaller.dumpProfiles(sharedGid, packageName, codePaths); 8840 } catch (InstallerException e) { 8841 Slog.w(TAG, "Failed to dump profiles", e); 8842 } 8843 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8844 } 8845 } 8846 8847 @Override 8848 public void forceDexOpt(String packageName) { 8849 enforceSystemOrRoot("forceDexOpt"); 8850 8851 PackageParser.Package pkg; 8852 synchronized (mPackages) { 8853 pkg = mPackages.get(packageName); 8854 if (pkg == null) { 8855 throw new IllegalArgumentException("Unknown package: " + packageName); 8856 } 8857 } 8858 8859 synchronized (mInstallLock) { 8860 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 8861 8862 // Whoever is calling forceDexOpt wants a fully compiled package. 8863 // Don't use profiles since that may cause compilation to be skipped. 8864 final int res = performDexOptInternalWithDependenciesLI(pkg, 8865 false /* checkProfiles */, getCompilerFilterForReason(REASON_FORCED_DEXOPT), 8866 true /* force */); 8867 8868 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8869 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 8870 throw new IllegalStateException("Failed to dexopt: " + res); 8871 } 8872 } 8873 } 8874 8875 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 8876 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 8877 Slog.w(TAG, "Unable to update from " + oldPkg.name 8878 + " to " + newPkg.packageName 8879 + ": old package not in system partition"); 8880 return false; 8881 } else if (mPackages.get(oldPkg.name) != null) { 8882 Slog.w(TAG, "Unable to update from " + oldPkg.name 8883 + " to " + newPkg.packageName 8884 + ": old package still exists"); 8885 return false; 8886 } 8887 return true; 8888 } 8889 8890 void removeCodePathLI(File codePath) { 8891 if (codePath.isDirectory()) { 8892 try { 8893 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 8894 } catch (InstallerException e) { 8895 Slog.w(TAG, "Failed to remove code path", e); 8896 } 8897 } else { 8898 codePath.delete(); 8899 } 8900 } 8901 8902 private int[] resolveUserIds(int userId) { 8903 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 8904 } 8905 8906 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 8907 if (pkg == null) { 8908 Slog.wtf(TAG, "Package was null!", new Throwable()); 8909 return; 8910 } 8911 clearAppDataLeafLIF(pkg, userId, flags); 8912 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8913 for (int i = 0; i < childCount; i++) { 8914 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 8915 } 8916 } 8917 8918 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 8919 final PackageSetting ps; 8920 synchronized (mPackages) { 8921 ps = mSettings.mPackages.get(pkg.packageName); 8922 } 8923 for (int realUserId : resolveUserIds(userId)) { 8924 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 8925 try { 8926 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 8927 ceDataInode); 8928 } catch (InstallerException e) { 8929 Slog.w(TAG, String.valueOf(e)); 8930 } 8931 } 8932 } 8933 8934 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 8935 if (pkg == null) { 8936 Slog.wtf(TAG, "Package was null!", new Throwable()); 8937 return; 8938 } 8939 destroyAppDataLeafLIF(pkg, userId, flags); 8940 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8941 for (int i = 0; i < childCount; i++) { 8942 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 8943 } 8944 } 8945 8946 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 8947 final PackageSetting ps; 8948 synchronized (mPackages) { 8949 ps = mSettings.mPackages.get(pkg.packageName); 8950 } 8951 for (int realUserId : resolveUserIds(userId)) { 8952 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 8953 try { 8954 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 8955 ceDataInode); 8956 } catch (InstallerException e) { 8957 Slog.w(TAG, String.valueOf(e)); 8958 } 8959 mDexManager.notifyPackageDataDestroyed(pkg.packageName, userId); 8960 } 8961 } 8962 8963 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 8964 if (pkg == null) { 8965 Slog.wtf(TAG, "Package was null!", new Throwable()); 8966 return; 8967 } 8968 destroyAppProfilesLeafLIF(pkg); 8969 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8970 for (int i = 0; i < childCount; i++) { 8971 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 8972 } 8973 } 8974 8975 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 8976 try { 8977 mInstaller.destroyAppProfiles(pkg.packageName); 8978 } catch (InstallerException e) { 8979 Slog.w(TAG, String.valueOf(e)); 8980 } 8981 } 8982 8983 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 8984 if (pkg == null) { 8985 Slog.wtf(TAG, "Package was null!", new Throwable()); 8986 return; 8987 } 8988 clearAppProfilesLeafLIF(pkg); 8989 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8990 for (int i = 0; i < childCount; i++) { 8991 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 8992 } 8993 } 8994 8995 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 8996 try { 8997 mInstaller.clearAppProfiles(pkg.packageName); 8998 } catch (InstallerException e) { 8999 Slog.w(TAG, String.valueOf(e)); 9000 } 9001 } 9002 9003 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 9004 long lastUpdateTime) { 9005 // Set parent install/update time 9006 PackageSetting ps = (PackageSetting) pkg.mExtras; 9007 if (ps != null) { 9008 ps.firstInstallTime = firstInstallTime; 9009 ps.lastUpdateTime = lastUpdateTime; 9010 } 9011 // Set children install/update time 9012 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9013 for (int i = 0; i < childCount; i++) { 9014 PackageParser.Package childPkg = pkg.childPackages.get(i); 9015 ps = (PackageSetting) childPkg.mExtras; 9016 if (ps != null) { 9017 ps.firstInstallTime = firstInstallTime; 9018 ps.lastUpdateTime = lastUpdateTime; 9019 } 9020 } 9021 } 9022 9023 private void addSharedLibraryLPr(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 9024 PackageParser.Package changingLib) { 9025 if (file.path != null) { 9026 usesLibraryFiles.add(file.path); 9027 return; 9028 } 9029 PackageParser.Package p = mPackages.get(file.apk); 9030 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 9031 // If we are doing this while in the middle of updating a library apk, 9032 // then we need to make sure to use that new apk for determining the 9033 // dependencies here. (We haven't yet finished committing the new apk 9034 // to the package manager state.) 9035 if (p == null || p.packageName.equals(changingLib.packageName)) { 9036 p = changingLib; 9037 } 9038 } 9039 if (p != null) { 9040 usesLibraryFiles.addAll(p.getAllCodePaths()); 9041 } 9042 } 9043 9044 private void updateSharedLibrariesLPr(PackageParser.Package pkg, 9045 PackageParser.Package changingLib) throws PackageManagerException { 9046 if (pkg == null) { 9047 return; 9048 } 9049 ArraySet<String> usesLibraryFiles = null; 9050 if (pkg.usesLibraries != null) { 9051 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesLibraries, 9052 null, null, pkg.packageName, changingLib, true, null); 9053 } 9054 if (pkg.usesStaticLibraries != null) { 9055 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesStaticLibraries, 9056 pkg.usesStaticLibrariesVersions, pkg.usesStaticLibrariesCertDigests, 9057 pkg.packageName, changingLib, true, usesLibraryFiles); 9058 } 9059 if (pkg.usesOptionalLibraries != null) { 9060 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesOptionalLibraries, 9061 null, null, pkg.packageName, changingLib, false, usesLibraryFiles); 9062 } 9063 if (!ArrayUtils.isEmpty(usesLibraryFiles)) { 9064 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[usesLibraryFiles.size()]); 9065 } else { 9066 pkg.usesLibraryFiles = null; 9067 } 9068 } 9069 9070 private ArraySet<String> addSharedLibrariesLPw(@NonNull List<String> requestedLibraries, 9071 @Nullable int[] requiredVersions, @Nullable String[] requiredCertDigests, 9072 @NonNull String packageName, @Nullable PackageParser.Package changingLib, 9073 boolean required, @Nullable ArraySet<String> outUsedLibraries) 9074 throws PackageManagerException { 9075 final int libCount = requestedLibraries.size(); 9076 for (int i = 0; i < libCount; i++) { 9077 final String libName = requestedLibraries.get(i); 9078 final int libVersion = requiredVersions != null ? requiredVersions[i] 9079 : SharedLibraryInfo.VERSION_UNDEFINED; 9080 final SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(libName, libVersion); 9081 if (libEntry == null) { 9082 if (required) { 9083 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 9084 "Package " + packageName + " requires unavailable shared library " 9085 + libName + "; failing!"); 9086 } else { 9087 Slog.w(TAG, "Package " + packageName 9088 + " desires unavailable shared library " 9089 + libName + "; ignoring!"); 9090 } 9091 } else { 9092 if (requiredVersions != null && requiredCertDigests != null) { 9093 if (libEntry.info.getVersion() != requiredVersions[i]) { 9094 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 9095 "Package " + packageName + " requires unavailable static shared" 9096 + " library " + libName + " version " 9097 + libEntry.info.getVersion() + "; failing!"); 9098 } 9099 9100 PackageParser.Package libPkg = mPackages.get(libEntry.apk); 9101 if (libPkg == null) { 9102 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 9103 "Package " + packageName + " requires unavailable static shared" 9104 + " library; failing!"); 9105 } 9106 9107 String expectedCertDigest = requiredCertDigests[i]; 9108 String libCertDigest = PackageUtils.computeCertSha256Digest( 9109 libPkg.mSignatures[0]); 9110 if (!libCertDigest.equalsIgnoreCase(expectedCertDigest)) { 9111 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 9112 "Package " + packageName + " requires differently signed" + 9113 " static shared library; failing!"); 9114 } 9115 } 9116 9117 if (outUsedLibraries == null) { 9118 outUsedLibraries = new ArraySet<>(); 9119 } 9120 addSharedLibraryLPr(outUsedLibraries, libEntry, changingLib); 9121 } 9122 } 9123 return outUsedLibraries; 9124 } 9125 9126 private static boolean hasString(List<String> list, List<String> which) { 9127 if (list == null) { 9128 return false; 9129 } 9130 for (int i=list.size()-1; i>=0; i--) { 9131 for (int j=which.size()-1; j>=0; j--) { 9132 if (which.get(j).equals(list.get(i))) { 9133 return true; 9134 } 9135 } 9136 } 9137 return false; 9138 } 9139 9140 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 9141 PackageParser.Package changingPkg) { 9142 ArrayList<PackageParser.Package> res = null; 9143 for (PackageParser.Package pkg : mPackages.values()) { 9144 if (changingPkg != null 9145 && !hasString(pkg.usesLibraries, changingPkg.libraryNames) 9146 && !hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames) 9147 && !ArrayUtils.contains(pkg.usesStaticLibraries, 9148 changingPkg.staticSharedLibName)) { 9149 return null; 9150 } 9151 if (res == null) { 9152 res = new ArrayList<>(); 9153 } 9154 res.add(pkg); 9155 try { 9156 updateSharedLibrariesLPr(pkg, changingPkg); 9157 } catch (PackageManagerException e) { 9158 // If a system app update or an app and a required lib missing we 9159 // delete the package and for updated system apps keep the data as 9160 // it is better for the user to reinstall than to be in an limbo 9161 // state. Also libs disappearing under an app should never happen 9162 // - just in case. 9163 if (!pkg.isSystemApp() || pkg.isUpdatedSystemApp()) { 9164 final int flags = pkg.isUpdatedSystemApp() 9165 ? PackageManager.DELETE_KEEP_DATA : 0; 9166 deletePackageLIF(pkg.packageName, null, true, sUserManager.getUserIds(), 9167 flags , null, true, null); 9168 } 9169 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 9170 } 9171 } 9172 return res; 9173 } 9174 9175 /** 9176 * Derive the value of the {@code cpuAbiOverride} based on the provided 9177 * value and an optional stored value from the package settings. 9178 */ 9179 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 9180 String cpuAbiOverride = null; 9181 9182 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 9183 cpuAbiOverride = null; 9184 } else if (abiOverride != null) { 9185 cpuAbiOverride = abiOverride; 9186 } else if (settings != null) { 9187 cpuAbiOverride = settings.cpuAbiOverrideString; 9188 } 9189 9190 return cpuAbiOverride; 9191 } 9192 9193 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 9194 final int policyFlags, int scanFlags, long currentTime, @Nullable UserHandle user) 9195 throws PackageManagerException { 9196 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 9197 // If the package has children and this is the first dive in the function 9198 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 9199 // whether all packages (parent and children) would be successfully scanned 9200 // before the actual scan since scanning mutates internal state and we want 9201 // to atomically install the package and its children. 9202 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 9203 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 9204 scanFlags |= SCAN_CHECK_ONLY; 9205 } 9206 } else { 9207 scanFlags &= ~SCAN_CHECK_ONLY; 9208 } 9209 9210 final PackageParser.Package scannedPkg; 9211 try { 9212 // Scan the parent 9213 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 9214 // Scan the children 9215 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9216 for (int i = 0; i < childCount; i++) { 9217 PackageParser.Package childPkg = pkg.childPackages.get(i); 9218 scanPackageLI(childPkg, policyFlags, 9219 scanFlags, currentTime, user); 9220 } 9221 } finally { 9222 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9223 } 9224 9225 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 9226 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 9227 } 9228 9229 return scannedPkg; 9230 } 9231 9232 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 9233 int scanFlags, long currentTime, @Nullable UserHandle user) 9234 throws PackageManagerException { 9235 boolean success = false; 9236 try { 9237 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 9238 currentTime, user); 9239 success = true; 9240 return res; 9241 } finally { 9242 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 9243 // DELETE_DATA_ON_FAILURES is only used by frozen paths 9244 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 9245 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 9246 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 9247 } 9248 } 9249 } 9250 9251 /** 9252 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 9253 */ 9254 private static boolean apkHasCode(String fileName) { 9255 StrictJarFile jarFile = null; 9256 try { 9257 jarFile = new StrictJarFile(fileName, 9258 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 9259 return jarFile.findEntry("classes.dex") != null; 9260 } catch (IOException ignore) { 9261 } finally { 9262 try { 9263 if (jarFile != null) { 9264 jarFile.close(); 9265 } 9266 } catch (IOException ignore) {} 9267 } 9268 return false; 9269 } 9270 9271 /** 9272 * Enforces code policy for the package. This ensures that if an APK has 9273 * declared hasCode="true" in its manifest that the APK actually contains 9274 * code. 9275 * 9276 * @throws PackageManagerException If bytecode could not be found when it should exist 9277 */ 9278 private static void assertCodePolicy(PackageParser.Package pkg) 9279 throws PackageManagerException { 9280 final boolean shouldHaveCode = 9281 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 9282 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 9283 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 9284 "Package " + pkg.baseCodePath + " code is missing"); 9285 } 9286 9287 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 9288 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 9289 final boolean splitShouldHaveCode = 9290 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 9291 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 9292 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 9293 "Package " + pkg.splitCodePaths[i] + " code is missing"); 9294 } 9295 } 9296 } 9297 } 9298 9299 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 9300 final int policyFlags, final int scanFlags, long currentTime, @Nullable UserHandle user) 9301 throws PackageManagerException { 9302 if (DEBUG_PACKAGE_SCANNING) { 9303 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 9304 Log.d(TAG, "Scanning package " + pkg.packageName); 9305 } 9306 9307 applyPolicy(pkg, policyFlags); 9308 9309 assertPackageIsValid(pkg, policyFlags, scanFlags); 9310 9311 // Initialize package source and resource directories 9312 final File scanFile = new File(pkg.codePath); 9313 final File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 9314 final File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 9315 9316 SharedUserSetting suid = null; 9317 PackageSetting pkgSetting = null; 9318 9319 // Getting the package setting may have a side-effect, so if we 9320 // are only checking if scan would succeed, stash a copy of the 9321 // old setting to restore at the end. 9322 PackageSetting nonMutatedPs = null; 9323 9324 // We keep references to the derived CPU Abis from settings in oder to reuse 9325 // them in the case where we're not upgrading or booting for the first time. 9326 String primaryCpuAbiFromSettings = null; 9327 String secondaryCpuAbiFromSettings = null; 9328 9329 // writer 9330 synchronized (mPackages) { 9331 if (pkg.mSharedUserId != null) { 9332 // SIDE EFFECTS; may potentially allocate a new shared user 9333 suid = mSettings.getSharedUserLPw( 9334 pkg.mSharedUserId, 0 /*pkgFlags*/, 0 /*pkgPrivateFlags*/, true /*create*/); 9335 if (DEBUG_PACKAGE_SCANNING) { 9336 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 9337 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 9338 + "): packages=" + suid.packages); 9339 } 9340 } 9341 9342 // Check if we are renaming from an original package name. 9343 PackageSetting origPackage = null; 9344 String realName = null; 9345 if (pkg.mOriginalPackages != null) { 9346 // This package may need to be renamed to a previously 9347 // installed name. Let's check on that... 9348 final String renamed = mSettings.getRenamedPackageLPr(pkg.mRealPackage); 9349 if (pkg.mOriginalPackages.contains(renamed)) { 9350 // This package had originally been installed as the 9351 // original name, and we have already taken care of 9352 // transitioning to the new one. Just update the new 9353 // one to continue using the old name. 9354 realName = pkg.mRealPackage; 9355 if (!pkg.packageName.equals(renamed)) { 9356 // Callers into this function may have already taken 9357 // care of renaming the package; only do it here if 9358 // it is not already done. 9359 pkg.setPackageName(renamed); 9360 } 9361 } else { 9362 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 9363 if ((origPackage = mSettings.getPackageLPr( 9364 pkg.mOriginalPackages.get(i))) != null) { 9365 // We do have the package already installed under its 9366 // original name... should we use it? 9367 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 9368 // New package is not compatible with original. 9369 origPackage = null; 9370 continue; 9371 } else if (origPackage.sharedUser != null) { 9372 // Make sure uid is compatible between packages. 9373 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 9374 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 9375 + " to " + pkg.packageName + ": old uid " 9376 + origPackage.sharedUser.name 9377 + " differs from " + pkg.mSharedUserId); 9378 origPackage = null; 9379 continue; 9380 } 9381 // TODO: Add case when shared user id is added [b/28144775] 9382 } else { 9383 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 9384 + pkg.packageName + " to old name " + origPackage.name); 9385 } 9386 break; 9387 } 9388 } 9389 } 9390 } 9391 9392 if (mTransferedPackages.contains(pkg.packageName)) { 9393 Slog.w(TAG, "Package " + pkg.packageName 9394 + " was transferred to another, but its .apk remains"); 9395 } 9396 9397 // See comments in nonMutatedPs declaration 9398 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 9399 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 9400 if (foundPs != null) { 9401 nonMutatedPs = new PackageSetting(foundPs); 9402 } 9403 } 9404 9405 if ((scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) == 0) { 9406 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 9407 if (foundPs != null) { 9408 primaryCpuAbiFromSettings = foundPs.primaryCpuAbiString; 9409 secondaryCpuAbiFromSettings = foundPs.secondaryCpuAbiString; 9410 } 9411 } 9412 9413 pkgSetting = mSettings.getPackageLPr(pkg.packageName); 9414 if (pkgSetting != null && pkgSetting.sharedUser != suid) { 9415 PackageManagerService.reportSettingsProblem(Log.WARN, 9416 "Package " + pkg.packageName + " shared user changed from " 9417 + (pkgSetting.sharedUser != null 9418 ? pkgSetting.sharedUser.name : "<nothing>") 9419 + " to " 9420 + (suid != null ? suid.name : "<nothing>") 9421 + "; replacing with new"); 9422 pkgSetting = null; 9423 } 9424 final PackageSetting oldPkgSetting = 9425 pkgSetting == null ? null : new PackageSetting(pkgSetting); 9426 final PackageSetting disabledPkgSetting = 9427 mSettings.getDisabledSystemPkgLPr(pkg.packageName); 9428 9429 String[] usesStaticLibraries = null; 9430 if (pkg.usesStaticLibraries != null) { 9431 usesStaticLibraries = new String[pkg.usesStaticLibraries.size()]; 9432 pkg.usesStaticLibraries.toArray(usesStaticLibraries); 9433 } 9434 9435 if (pkgSetting == null) { 9436 final String parentPackageName = (pkg.parentPackage != null) 9437 ? pkg.parentPackage.packageName : null; 9438 final boolean instantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 9439 // REMOVE SharedUserSetting from method; update in a separate call 9440 pkgSetting = Settings.createNewSetting(pkg.packageName, origPackage, 9441 disabledPkgSetting, realName, suid, destCodeFile, destResourceFile, 9442 pkg.applicationInfo.nativeLibraryRootDir, pkg.applicationInfo.primaryCpuAbi, 9443 pkg.applicationInfo.secondaryCpuAbi, pkg.mVersionCode, 9444 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, user, 9445 true /*allowInstall*/, instantApp, parentPackageName, 9446 pkg.getChildPackageNames(), UserManagerService.getInstance(), 9447 usesStaticLibraries, pkg.usesStaticLibrariesVersions); 9448 // SIDE EFFECTS; updates system state; move elsewhere 9449 if (origPackage != null) { 9450 mSettings.addRenamedPackageLPw(pkg.packageName, origPackage.name); 9451 } 9452 mSettings.addUserToSettingLPw(pkgSetting); 9453 } else { 9454 // REMOVE SharedUserSetting from method; update in a separate call. 9455 // 9456 // TODO(narayan): This update is bogus. nativeLibraryDir & primaryCpuAbi, 9457 // secondaryCpuAbi are not known at this point so we always update them 9458 // to null here, only to reset them at a later point. 9459 Settings.updatePackageSetting(pkgSetting, disabledPkgSetting, suid, destCodeFile, 9460 pkg.applicationInfo.nativeLibraryDir, pkg.applicationInfo.primaryCpuAbi, 9461 pkg.applicationInfo.secondaryCpuAbi, pkg.applicationInfo.flags, 9462 pkg.applicationInfo.privateFlags, pkg.getChildPackageNames(), 9463 UserManagerService.getInstance(), usesStaticLibraries, 9464 pkg.usesStaticLibrariesVersions); 9465 } 9466 // SIDE EFFECTS; persists system state to files on disk; move elsewhere 9467 mSettings.writeUserRestrictionsLPw(pkgSetting, oldPkgSetting); 9468 9469 // SIDE EFFECTS; modifies system state; move elsewhere 9470 if (pkgSetting.origPackage != null) { 9471 // If we are first transitioning from an original package, 9472 // fix up the new package's name now. We need to do this after 9473 // looking up the package under its new name, so getPackageLP 9474 // can take care of fiddling things correctly. 9475 pkg.setPackageName(origPackage.name); 9476 9477 // File a report about this. 9478 String msg = "New package " + pkgSetting.realName 9479 + " renamed to replace old package " + pkgSetting.name; 9480 reportSettingsProblem(Log.WARN, msg); 9481 9482 // Make a note of it. 9483 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 9484 mTransferedPackages.add(origPackage.name); 9485 } 9486 9487 // No longer need to retain this. 9488 pkgSetting.origPackage = null; 9489 } 9490 9491 // SIDE EFFECTS; modifies system state; move elsewhere 9492 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 9493 // Make a note of it. 9494 mTransferedPackages.add(pkg.packageName); 9495 } 9496 9497 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 9498 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 9499 } 9500 9501 if ((scanFlags & SCAN_BOOTING) == 0 9502 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9503 // Check all shared libraries and map to their actual file path. 9504 // We only do this here for apps not on a system dir, because those 9505 // are the only ones that can fail an install due to this. We 9506 // will take care of the system apps by updating all of their 9507 // library paths after the scan is done. Also during the initial 9508 // scan don't update any libs as we do this wholesale after all 9509 // apps are scanned to avoid dependency based scanning. 9510 updateSharedLibrariesLPr(pkg, null); 9511 } 9512 9513 if (mFoundPolicyFile) { 9514 SELinuxMMAC.assignSeInfoValue(pkg); 9515 } 9516 pkg.applicationInfo.uid = pkgSetting.appId; 9517 pkg.mExtras = pkgSetting; 9518 9519 9520 // Static shared libs have same package with different versions where 9521 // we internally use a synthetic package name to allow multiple versions 9522 // of the same package, therefore we need to compare signatures against 9523 // the package setting for the latest library version. 9524 PackageSetting signatureCheckPs = pkgSetting; 9525 if (pkg.applicationInfo.isStaticSharedLibrary()) { 9526 SharedLibraryEntry libraryEntry = getLatestSharedLibraVersionLPr(pkg); 9527 if (libraryEntry != null) { 9528 signatureCheckPs = mSettings.getPackageLPr(libraryEntry.apk); 9529 } 9530 } 9531 9532 if (shouldCheckUpgradeKeySetLP(signatureCheckPs, scanFlags)) { 9533 if (checkUpgradeKeySetLP(signatureCheckPs, pkg)) { 9534 // We just determined the app is signed correctly, so bring 9535 // over the latest parsed certs. 9536 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9537 } else { 9538 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9539 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 9540 "Package " + pkg.packageName + " upgrade keys do not match the " 9541 + "previously installed version"); 9542 } else { 9543 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9544 String msg = "System package " + pkg.packageName 9545 + " signature changed; retaining data."; 9546 reportSettingsProblem(Log.WARN, msg); 9547 } 9548 } 9549 } else { 9550 try { 9551 // SIDE EFFECTS; compareSignaturesCompat() changes KeysetManagerService 9552 verifySignaturesLP(signatureCheckPs, pkg); 9553 // We just determined the app is signed correctly, so bring 9554 // over the latest parsed certs. 9555 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9556 } catch (PackageManagerException e) { 9557 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9558 throw e; 9559 } 9560 // The signature has changed, but this package is in the system 9561 // image... let's recover! 9562 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9563 // However... if this package is part of a shared user, but it 9564 // doesn't match the signature of the shared user, let's fail. 9565 // What this means is that you can't change the signatures 9566 // associated with an overall shared user, which doesn't seem all 9567 // that unreasonable. 9568 if (signatureCheckPs.sharedUser != null) { 9569 if (compareSignatures(signatureCheckPs.sharedUser.signatures.mSignatures, 9570 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 9571 throw new PackageManagerException( 9572 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 9573 "Signature mismatch for shared user: " 9574 + pkgSetting.sharedUser); 9575 } 9576 } 9577 // File a report about this. 9578 String msg = "System package " + pkg.packageName 9579 + " signature changed; retaining data."; 9580 reportSettingsProblem(Log.WARN, msg); 9581 } 9582 } 9583 9584 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 9585 // This package wants to adopt ownership of permissions from 9586 // another package. 9587 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 9588 final String origName = pkg.mAdoptPermissions.get(i); 9589 final PackageSetting orig = mSettings.getPackageLPr(origName); 9590 if (orig != null) { 9591 if (verifyPackageUpdateLPr(orig, pkg)) { 9592 Slog.i(TAG, "Adopting permissions from " + origName + " to " 9593 + pkg.packageName); 9594 // SIDE EFFECTS; updates permissions system state; move elsewhere 9595 mSettings.transferPermissionsLPw(origName, pkg.packageName); 9596 } 9597 } 9598 } 9599 } 9600 } 9601 9602 pkg.applicationInfo.processName = fixProcessName( 9603 pkg.applicationInfo.packageName, 9604 pkg.applicationInfo.processName); 9605 9606 if (pkg != mPlatformPackage) { 9607 // Get all of our default paths setup 9608 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 9609 } 9610 9611 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 9612 9613 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 9614 if ((scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) != 0) { 9615 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "derivePackageAbi"); 9616 derivePackageAbi( 9617 pkg, scanFile, cpuAbiOverride, true /*extractLibs*/, mAppLib32InstallDir); 9618 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9619 9620 // Some system apps still use directory structure for native libraries 9621 // in which case we might end up not detecting abi solely based on apk 9622 // structure. Try to detect abi based on directory structure. 9623 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 9624 pkg.applicationInfo.primaryCpuAbi == null) { 9625 setBundledAppAbisAndRoots(pkg, pkgSetting); 9626 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 9627 } 9628 } else { 9629 // This is not a first boot or an upgrade, don't bother deriving the 9630 // ABI during the scan. Instead, trust the value that was stored in the 9631 // package setting. 9632 pkg.applicationInfo.primaryCpuAbi = primaryCpuAbiFromSettings; 9633 pkg.applicationInfo.secondaryCpuAbi = secondaryCpuAbiFromSettings; 9634 9635 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 9636 9637 if (DEBUG_ABI_SELECTION) { 9638 Slog.i(TAG, "Using ABIS and native lib paths from settings : " + 9639 pkg.packageName + " " + pkg.applicationInfo.primaryCpuAbi + ", " + 9640 pkg.applicationInfo.secondaryCpuAbi); 9641 } 9642 } 9643 } else { 9644 if ((scanFlags & SCAN_MOVE) != 0) { 9645 // We haven't run dex-opt for this move (since we've moved the compiled output too) 9646 // but we already have this packages package info in the PackageSetting. We just 9647 // use that and derive the native library path based on the new codepath. 9648 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 9649 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 9650 } 9651 9652 // Set native library paths again. For moves, the path will be updated based on the 9653 // ABIs we've determined above. For non-moves, the path will be updated based on the 9654 // ABIs we determined during compilation, but the path will depend on the final 9655 // package path (after the rename away from the stage path). 9656 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 9657 } 9658 9659 // This is a special case for the "system" package, where the ABI is 9660 // dictated by the zygote configuration (and init.rc). We should keep track 9661 // of this ABI so that we can deal with "normal" applications that run under 9662 // the same UID correctly. 9663 if (mPlatformPackage == pkg) { 9664 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 9665 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 9666 } 9667 9668 // If there's a mismatch between the abi-override in the package setting 9669 // and the abiOverride specified for the install. Warn about this because we 9670 // would've already compiled the app without taking the package setting into 9671 // account. 9672 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 9673 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 9674 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 9675 " for package " + pkg.packageName); 9676 } 9677 } 9678 9679 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9680 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9681 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 9682 9683 // Copy the derived override back to the parsed package, so that we can 9684 // update the package settings accordingly. 9685 pkg.cpuAbiOverride = cpuAbiOverride; 9686 9687 if (DEBUG_ABI_SELECTION) { 9688 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 9689 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 9690 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 9691 } 9692 9693 // Push the derived path down into PackageSettings so we know what to 9694 // clean up at uninstall time. 9695 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 9696 9697 if (DEBUG_ABI_SELECTION) { 9698 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 9699 " primary=" + pkg.applicationInfo.primaryCpuAbi + 9700 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 9701 } 9702 9703 // SIDE EFFECTS; removes DEX files from disk; move elsewhere 9704 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 9705 // We don't do this here during boot because we can do it all 9706 // at once after scanning all existing packages. 9707 // 9708 // We also do this *before* we perform dexopt on this package, so that 9709 // we can avoid redundant dexopts, and also to make sure we've got the 9710 // code and package path correct. 9711 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, pkg); 9712 } 9713 9714 if (mFactoryTest && pkg.requestedPermissions.contains( 9715 android.Manifest.permission.FACTORY_TEST)) { 9716 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 9717 } 9718 9719 if (isSystemApp(pkg)) { 9720 pkgSetting.isOrphaned = true; 9721 } 9722 9723 // Take care of first install / last update times. 9724 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 9725 if (currentTime != 0) { 9726 if (pkgSetting.firstInstallTime == 0) { 9727 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 9728 } else if ((scanFlags & SCAN_UPDATE_TIME) != 0) { 9729 pkgSetting.lastUpdateTime = currentTime; 9730 } 9731 } else if (pkgSetting.firstInstallTime == 0) { 9732 // We need *something*. Take time time stamp of the file. 9733 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 9734 } else if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 9735 if (scanFileTime != pkgSetting.timeStamp) { 9736 // A package on the system image has changed; consider this 9737 // to be an update. 9738 pkgSetting.lastUpdateTime = scanFileTime; 9739 } 9740 } 9741 pkgSetting.setTimeStamp(scanFileTime); 9742 9743 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 9744 if (nonMutatedPs != null) { 9745 synchronized (mPackages) { 9746 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 9747 } 9748 } 9749 } else { 9750 final int userId = user == null ? 0 : user.getIdentifier(); 9751 // Modify state for the given package setting 9752 commitPackageSettings(pkg, pkgSetting, user, scanFlags, 9753 (policyFlags & PackageParser.PARSE_CHATTY) != 0 /*chatty*/); 9754 if (pkgSetting.getInstantApp(userId)) { 9755 mInstantAppRegistry.addInstantAppLPw(userId, pkgSetting.appId); 9756 } 9757 } 9758 return pkg; 9759 } 9760 9761 /** 9762 * Applies policy to the parsed package based upon the given policy flags. 9763 * Ensures the package is in a good state. 9764 * <p> 9765 * Implementation detail: This method must NOT have any side effect. It would 9766 * ideally be static, but, it requires locks to read system state. 9767 */ 9768 private void applyPolicy(PackageParser.Package pkg, int policyFlags) { 9769 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 9770 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 9771 if (pkg.applicationInfo.isDirectBootAware()) { 9772 // we're direct boot aware; set for all components 9773 for (PackageParser.Service s : pkg.services) { 9774 s.info.encryptionAware = s.info.directBootAware = true; 9775 } 9776 for (PackageParser.Provider p : pkg.providers) { 9777 p.info.encryptionAware = p.info.directBootAware = true; 9778 } 9779 for (PackageParser.Activity a : pkg.activities) { 9780 a.info.encryptionAware = a.info.directBootAware = true; 9781 } 9782 for (PackageParser.Activity r : pkg.receivers) { 9783 r.info.encryptionAware = r.info.directBootAware = true; 9784 } 9785 } 9786 } else { 9787 // Only allow system apps to be flagged as core apps. 9788 pkg.coreApp = false; 9789 // clear flags not applicable to regular apps 9790 pkg.applicationInfo.privateFlags &= 9791 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 9792 pkg.applicationInfo.privateFlags &= 9793 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 9794 } 9795 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 9796 9797 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 9798 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 9799 } 9800 9801 if (!isSystemApp(pkg)) { 9802 // Only system apps can use these features. 9803 pkg.mOriginalPackages = null; 9804 pkg.mRealPackage = null; 9805 pkg.mAdoptPermissions = null; 9806 } 9807 } 9808 9809 /** 9810 * Asserts the parsed package is valid according to the given policy. If the 9811 * package is invalid, for whatever reason, throws {@link PackageManagerException}. 9812 * <p> 9813 * Implementation detail: This method must NOT have any side effects. It would 9814 * ideally be static, but, it requires locks to read system state. 9815 * 9816 * @throws PackageManagerException If the package fails any of the validation checks 9817 */ 9818 private void assertPackageIsValid(PackageParser.Package pkg, int policyFlags, int scanFlags) 9819 throws PackageManagerException { 9820 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 9821 assertCodePolicy(pkg); 9822 } 9823 9824 if (pkg.applicationInfo.getCodePath() == null || 9825 pkg.applicationInfo.getResourcePath() == null) { 9826 // Bail out. The resource and code paths haven't been set. 9827 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 9828 "Code and resource paths haven't been set correctly"); 9829 } 9830 9831 // Make sure we're not adding any bogus keyset info 9832 KeySetManagerService ksms = mSettings.mKeySetManagerService; 9833 ksms.assertScannedPackageValid(pkg); 9834 9835 synchronized (mPackages) { 9836 // The special "android" package can only be defined once 9837 if (pkg.packageName.equals("android")) { 9838 if (mAndroidApplication != null) { 9839 Slog.w(TAG, "*************************************************"); 9840 Slog.w(TAG, "Core android package being redefined. Skipping."); 9841 Slog.w(TAG, " codePath=" + pkg.codePath); 9842 Slog.w(TAG, "*************************************************"); 9843 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 9844 "Core android package being redefined. Skipping."); 9845 } 9846 } 9847 9848 // A package name must be unique; don't allow duplicates 9849 if (mPackages.containsKey(pkg.packageName)) { 9850 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 9851 "Application package " + pkg.packageName 9852 + " already installed. Skipping duplicate."); 9853 } 9854 9855 if (pkg.applicationInfo.isStaticSharedLibrary()) { 9856 // Static libs have a synthetic package name containing the version 9857 // but we still want the base name to be unique. 9858 if (mPackages.containsKey(pkg.manifestPackageName)) { 9859 throw new PackageManagerException( 9860 "Duplicate static shared lib provider package"); 9861 } 9862 9863 // Static shared libraries should have at least O target SDK 9864 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.O) { 9865 throw new PackageManagerException( 9866 "Packages declaring static-shared libs must target O SDK or higher"); 9867 } 9868 9869 // Package declaring static a shared lib cannot be instant apps 9870 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 9871 throw new PackageManagerException( 9872 "Packages declaring static-shared libs cannot be instant apps"); 9873 } 9874 9875 // Package declaring static a shared lib cannot be renamed since the package 9876 // name is synthetic and apps can't code around package manager internals. 9877 if (!ArrayUtils.isEmpty(pkg.mOriginalPackages)) { 9878 throw new PackageManagerException( 9879 "Packages declaring static-shared libs cannot be renamed"); 9880 } 9881 9882 // Package declaring static a shared lib cannot declare child packages 9883 if (!ArrayUtils.isEmpty(pkg.childPackages)) { 9884 throw new PackageManagerException( 9885 "Packages declaring static-shared libs cannot have child packages"); 9886 } 9887 9888 // Package declaring static a shared lib cannot declare dynamic libs 9889 if (!ArrayUtils.isEmpty(pkg.libraryNames)) { 9890 throw new PackageManagerException( 9891 "Packages declaring static-shared libs cannot declare dynamic libs"); 9892 } 9893 9894 // Package declaring static a shared lib cannot declare shared users 9895 if (pkg.mSharedUserId != null) { 9896 throw new PackageManagerException( 9897 "Packages declaring static-shared libs cannot declare shared users"); 9898 } 9899 9900 // Static shared libs cannot declare activities 9901 if (!pkg.activities.isEmpty()) { 9902 throw new PackageManagerException( 9903 "Static shared libs cannot declare activities"); 9904 } 9905 9906 // Static shared libs cannot declare services 9907 if (!pkg.services.isEmpty()) { 9908 throw new PackageManagerException( 9909 "Static shared libs cannot declare services"); 9910 } 9911 9912 // Static shared libs cannot declare providers 9913 if (!pkg.providers.isEmpty()) { 9914 throw new PackageManagerException( 9915 "Static shared libs cannot declare content providers"); 9916 } 9917 9918 // Static shared libs cannot declare receivers 9919 if (!pkg.receivers.isEmpty()) { 9920 throw new PackageManagerException( 9921 "Static shared libs cannot declare broadcast receivers"); 9922 } 9923 9924 // Static shared libs cannot declare permission groups 9925 if (!pkg.permissionGroups.isEmpty()) { 9926 throw new PackageManagerException( 9927 "Static shared libs cannot declare permission groups"); 9928 } 9929 9930 // Static shared libs cannot declare permissions 9931 if (!pkg.permissions.isEmpty()) { 9932 throw new PackageManagerException( 9933 "Static shared libs cannot declare permissions"); 9934 } 9935 9936 // Static shared libs cannot declare protected broadcasts 9937 if (pkg.protectedBroadcasts != null) { 9938 throw new PackageManagerException( 9939 "Static shared libs cannot declare protected broadcasts"); 9940 } 9941 9942 // Static shared libs cannot be overlay targets 9943 if (pkg.mOverlayTarget != null) { 9944 throw new PackageManagerException( 9945 "Static shared libs cannot be overlay targets"); 9946 } 9947 9948 // The version codes must be ordered as lib versions 9949 int minVersionCode = Integer.MIN_VALUE; 9950 int maxVersionCode = Integer.MAX_VALUE; 9951 9952 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get( 9953 pkg.staticSharedLibName); 9954 if (versionedLib != null) { 9955 final int versionCount = versionedLib.size(); 9956 for (int i = 0; i < versionCount; i++) { 9957 SharedLibraryInfo libInfo = versionedLib.valueAt(i).info; 9958 // TODO: We will change version code to long, so in the new API it is long 9959 final int libVersionCode = (int) libInfo.getDeclaringPackage() 9960 .getVersionCode(); 9961 if (libInfo.getVersion() < pkg.staticSharedLibVersion) { 9962 minVersionCode = Math.max(minVersionCode, libVersionCode + 1); 9963 } else if (libInfo.getVersion() > pkg.staticSharedLibVersion) { 9964 maxVersionCode = Math.min(maxVersionCode, libVersionCode - 1); 9965 } else { 9966 minVersionCode = maxVersionCode = libVersionCode; 9967 break; 9968 } 9969 } 9970 } 9971 if (pkg.mVersionCode < minVersionCode || pkg.mVersionCode > maxVersionCode) { 9972 throw new PackageManagerException("Static shared" 9973 + " lib version codes must be ordered as lib versions"); 9974 } 9975 } 9976 9977 // Only privileged apps and updated privileged apps can add child packages. 9978 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 9979 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 9980 throw new PackageManagerException("Only privileged apps can add child " 9981 + "packages. Ignoring package " + pkg.packageName); 9982 } 9983 final int childCount = pkg.childPackages.size(); 9984 for (int i = 0; i < childCount; i++) { 9985 PackageParser.Package childPkg = pkg.childPackages.get(i); 9986 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 9987 childPkg.packageName)) { 9988 throw new PackageManagerException("Can't override child of " 9989 + "another disabled app. Ignoring package " + pkg.packageName); 9990 } 9991 } 9992 } 9993 9994 // If we're only installing presumed-existing packages, require that the 9995 // scanned APK is both already known and at the path previously established 9996 // for it. Previously unknown packages we pick up normally, but if we have an 9997 // a priori expectation about this package's install presence, enforce it. 9998 // With a singular exception for new system packages. When an OTA contains 9999 // a new system package, we allow the codepath to change from a system location 10000 // to the user-installed location. If we don't allow this change, any newer, 10001 // user-installed version of the application will be ignored. 10002 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 10003 if (mExpectingBetter.containsKey(pkg.packageName)) { 10004 logCriticalInfo(Log.WARN, 10005 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 10006 } else { 10007 PackageSetting known = mSettings.getPackageLPr(pkg.packageName); 10008 if (known != null) { 10009 if (DEBUG_PACKAGE_SCANNING) { 10010 Log.d(TAG, "Examining " + pkg.codePath 10011 + " and requiring known paths " + known.codePathString 10012 + " & " + known.resourcePathString); 10013 } 10014 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 10015 || !pkg.applicationInfo.getResourcePath().equals( 10016 known.resourcePathString)) { 10017 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 10018 "Application package " + pkg.packageName 10019 + " found at " + pkg.applicationInfo.getCodePath() 10020 + " but expected at " + known.codePathString 10021 + "; ignoring."); 10022 } 10023 } 10024 } 10025 } 10026 10027 // Verify that this new package doesn't have any content providers 10028 // that conflict with existing packages. Only do this if the 10029 // package isn't already installed, since we don't want to break 10030 // things that are installed. 10031 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 10032 final int N = pkg.providers.size(); 10033 int i; 10034 for (i=0; i<N; i++) { 10035 PackageParser.Provider p = pkg.providers.get(i); 10036 if (p.info.authority != null) { 10037 String names[] = p.info.authority.split(";"); 10038 for (int j = 0; j < names.length; j++) { 10039 if (mProvidersByAuthority.containsKey(names[j])) { 10040 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 10041 final String otherPackageName = 10042 ((other != null && other.getComponentName() != null) ? 10043 other.getComponentName().getPackageName() : "?"); 10044 throw new PackageManagerException( 10045 INSTALL_FAILED_CONFLICTING_PROVIDER, 10046 "Can't install because provider name " + names[j] 10047 + " (in package " + pkg.applicationInfo.packageName 10048 + ") is already used by " + otherPackageName); 10049 } 10050 } 10051 } 10052 } 10053 } 10054 } 10055 } 10056 10057 private boolean addSharedLibraryLPw(String path, String apk, String name, int version, 10058 int type, String declaringPackageName, int declaringVersionCode) { 10059 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 10060 if (versionedLib == null) { 10061 versionedLib = new SparseArray<>(); 10062 mSharedLibraries.put(name, versionedLib); 10063 if (type == SharedLibraryInfo.TYPE_STATIC) { 10064 mStaticLibsByDeclaringPackage.put(declaringPackageName, versionedLib); 10065 } 10066 } else if (versionedLib.indexOfKey(version) >= 0) { 10067 return false; 10068 } 10069 SharedLibraryEntry libEntry = new SharedLibraryEntry(path, apk, name, 10070 version, type, declaringPackageName, declaringVersionCode); 10071 versionedLib.put(version, libEntry); 10072 return true; 10073 } 10074 10075 private boolean removeSharedLibraryLPw(String name, int version) { 10076 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 10077 if (versionedLib == null) { 10078 return false; 10079 } 10080 final int libIdx = versionedLib.indexOfKey(version); 10081 if (libIdx < 0) { 10082 return false; 10083 } 10084 SharedLibraryEntry libEntry = versionedLib.valueAt(libIdx); 10085 versionedLib.remove(version); 10086 if (versionedLib.size() <= 0) { 10087 mSharedLibraries.remove(name); 10088 if (libEntry.info.getType() == SharedLibraryInfo.TYPE_STATIC) { 10089 mStaticLibsByDeclaringPackage.remove(libEntry.info.getDeclaringPackage() 10090 .getPackageName()); 10091 } 10092 } 10093 return true; 10094 } 10095 10096 /** 10097 * Adds a scanned package to the system. When this method is finished, the package will 10098 * be available for query, resolution, etc... 10099 */ 10100 private void commitPackageSettings(PackageParser.Package pkg, PackageSetting pkgSetting, 10101 UserHandle user, int scanFlags, boolean chatty) throws PackageManagerException { 10102 final String pkgName = pkg.packageName; 10103 if (mCustomResolverComponentName != null && 10104 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 10105 setUpCustomResolverActivity(pkg); 10106 } 10107 10108 if (pkg.packageName.equals("android")) { 10109 synchronized (mPackages) { 10110 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 10111 // Set up information for our fall-back user intent resolution activity. 10112 mPlatformPackage = pkg; 10113 pkg.mVersionCode = mSdkVersion; 10114 mAndroidApplication = pkg.applicationInfo; 10115 if (!mResolverReplaced) { 10116 mResolveActivity.applicationInfo = mAndroidApplication; 10117 mResolveActivity.name = ResolverActivity.class.getName(); 10118 mResolveActivity.packageName = mAndroidApplication.packageName; 10119 mResolveActivity.processName = "system:ui"; 10120 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 10121 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 10122 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 10123 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 10124 mResolveActivity.exported = true; 10125 mResolveActivity.enabled = true; 10126 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 10127 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 10128 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 10129 | ActivityInfo.CONFIG_SCREEN_LAYOUT 10130 | ActivityInfo.CONFIG_ORIENTATION 10131 | ActivityInfo.CONFIG_KEYBOARD 10132 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 10133 mResolveInfo.activityInfo = mResolveActivity; 10134 mResolveInfo.priority = 0; 10135 mResolveInfo.preferredOrder = 0; 10136 mResolveInfo.match = 0; 10137 mResolveComponentName = new ComponentName( 10138 mAndroidApplication.packageName, mResolveActivity.name); 10139 } 10140 } 10141 } 10142 } 10143 10144 ArrayList<PackageParser.Package> clientLibPkgs = null; 10145 // writer 10146 synchronized (mPackages) { 10147 boolean hasStaticSharedLibs = false; 10148 10149 // Any app can add new static shared libraries 10150 if (pkg.staticSharedLibName != null) { 10151 // Static shared libs don't allow renaming as they have synthetic package 10152 // names to allow install of multiple versions, so use name from manifest. 10153 if (addSharedLibraryLPw(null, pkg.packageName, pkg.staticSharedLibName, 10154 pkg.staticSharedLibVersion, SharedLibraryInfo.TYPE_STATIC, 10155 pkg.manifestPackageName, pkg.mVersionCode)) { 10156 hasStaticSharedLibs = true; 10157 } else { 10158 Slog.w(TAG, "Package " + pkg.packageName + " library " 10159 + pkg.staticSharedLibName + " already exists; skipping"); 10160 } 10161 // Static shared libs cannot be updated once installed since they 10162 // use synthetic package name which includes the version code, so 10163 // not need to update other packages's shared lib dependencies. 10164 } 10165 10166 if (!hasStaticSharedLibs 10167 && (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 10168 // Only system apps can add new dynamic shared libraries. 10169 if (pkg.libraryNames != null) { 10170 for (int i = 0; i < pkg.libraryNames.size(); i++) { 10171 String name = pkg.libraryNames.get(i); 10172 boolean allowed = false; 10173 if (pkg.isUpdatedSystemApp()) { 10174 // New library entries can only be added through the 10175 // system image. This is important to get rid of a lot 10176 // of nasty edge cases: for example if we allowed a non- 10177 // system update of the app to add a library, then uninstalling 10178 // the update would make the library go away, and assumptions 10179 // we made such as through app install filtering would now 10180 // have allowed apps on the device which aren't compatible 10181 // with it. Better to just have the restriction here, be 10182 // conservative, and create many fewer cases that can negatively 10183 // impact the user experience. 10184 final PackageSetting sysPs = mSettings 10185 .getDisabledSystemPkgLPr(pkg.packageName); 10186 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 10187 for (int j = 0; j < sysPs.pkg.libraryNames.size(); j++) { 10188 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 10189 allowed = true; 10190 break; 10191 } 10192 } 10193 } 10194 } else { 10195 allowed = true; 10196 } 10197 if (allowed) { 10198 if (!addSharedLibraryLPw(null, pkg.packageName, name, 10199 SharedLibraryInfo.VERSION_UNDEFINED, 10200 SharedLibraryInfo.TYPE_DYNAMIC, 10201 pkg.packageName, pkg.mVersionCode)) { 10202 Slog.w(TAG, "Package " + pkg.packageName + " library " 10203 + name + " already exists; skipping"); 10204 } 10205 } else { 10206 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 10207 + name + " that is not declared on system image; skipping"); 10208 } 10209 } 10210 10211 if ((scanFlags & SCAN_BOOTING) == 0) { 10212 // If we are not booting, we need to update any applications 10213 // that are clients of our shared library. If we are booting, 10214 // this will all be done once the scan is complete. 10215 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 10216 } 10217 } 10218 } 10219 } 10220 10221 if ((scanFlags & SCAN_BOOTING) != 0) { 10222 // No apps can run during boot scan, so they don't need to be frozen 10223 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 10224 // Caller asked to not kill app, so it's probably not frozen 10225 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 10226 // Caller asked us to ignore frozen check for some reason; they 10227 // probably didn't know the package name 10228 } else { 10229 // We're doing major surgery on this package, so it better be frozen 10230 // right now to keep it from launching 10231 checkPackageFrozen(pkgName); 10232 } 10233 10234 // Also need to kill any apps that are dependent on the library. 10235 if (clientLibPkgs != null) { 10236 for (int i=0; i<clientLibPkgs.size(); i++) { 10237 PackageParser.Package clientPkg = clientLibPkgs.get(i); 10238 killApplication(clientPkg.applicationInfo.packageName, 10239 clientPkg.applicationInfo.uid, "update lib"); 10240 } 10241 } 10242 10243 // writer 10244 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 10245 10246 synchronized (mPackages) { 10247 // We don't expect installation to fail beyond this point 10248 10249 // Add the new setting to mSettings 10250 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 10251 // Add the new setting to mPackages 10252 mPackages.put(pkg.applicationInfo.packageName, pkg); 10253 // Make sure we don't accidentally delete its data. 10254 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 10255 while (iter.hasNext()) { 10256 PackageCleanItem item = iter.next(); 10257 if (pkgName.equals(item.packageName)) { 10258 iter.remove(); 10259 } 10260 } 10261 10262 // Add the package's KeySets to the global KeySetManagerService 10263 KeySetManagerService ksms = mSettings.mKeySetManagerService; 10264 ksms.addScannedPackageLPw(pkg); 10265 10266 int N = pkg.providers.size(); 10267 StringBuilder r = null; 10268 int i; 10269 for (i=0; i<N; i++) { 10270 PackageParser.Provider p = pkg.providers.get(i); 10271 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 10272 p.info.processName); 10273 mProviders.addProvider(p); 10274 p.syncable = p.info.isSyncable; 10275 if (p.info.authority != null) { 10276 String names[] = p.info.authority.split(";"); 10277 p.info.authority = null; 10278 for (int j = 0; j < names.length; j++) { 10279 if (j == 1 && p.syncable) { 10280 // We only want the first authority for a provider to possibly be 10281 // syncable, so if we already added this provider using a different 10282 // authority clear the syncable flag. We copy the provider before 10283 // changing it because the mProviders object contains a reference 10284 // to a provider that we don't want to change. 10285 // Only do this for the second authority since the resulting provider 10286 // object can be the same for all future authorities for this provider. 10287 p = new PackageParser.Provider(p); 10288 p.syncable = false; 10289 } 10290 if (!mProvidersByAuthority.containsKey(names[j])) { 10291 mProvidersByAuthority.put(names[j], p); 10292 if (p.info.authority == null) { 10293 p.info.authority = names[j]; 10294 } else { 10295 p.info.authority = p.info.authority + ";" + names[j]; 10296 } 10297 if (DEBUG_PACKAGE_SCANNING) { 10298 if (chatty) 10299 Log.d(TAG, "Registered content provider: " + names[j] 10300 + ", className = " + p.info.name + ", isSyncable = " 10301 + p.info.isSyncable); 10302 } 10303 } else { 10304 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 10305 Slog.w(TAG, "Skipping provider name " + names[j] + 10306 " (in package " + pkg.applicationInfo.packageName + 10307 "): name already used by " 10308 + ((other != null && other.getComponentName() != null) 10309 ? other.getComponentName().getPackageName() : "?")); 10310 } 10311 } 10312 } 10313 if (chatty) { 10314 if (r == null) { 10315 r = new StringBuilder(256); 10316 } else { 10317 r.append(' '); 10318 } 10319 r.append(p.info.name); 10320 } 10321 } 10322 if (r != null) { 10323 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 10324 } 10325 10326 N = pkg.services.size(); 10327 r = null; 10328 for (i=0; i<N; i++) { 10329 PackageParser.Service s = pkg.services.get(i); 10330 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 10331 s.info.processName); 10332 mServices.addService(s); 10333 if (chatty) { 10334 if (r == null) { 10335 r = new StringBuilder(256); 10336 } else { 10337 r.append(' '); 10338 } 10339 r.append(s.info.name); 10340 } 10341 } 10342 if (r != null) { 10343 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 10344 } 10345 10346 N = pkg.receivers.size(); 10347 r = null; 10348 for (i=0; i<N; i++) { 10349 PackageParser.Activity a = pkg.receivers.get(i); 10350 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 10351 a.info.processName); 10352 mReceivers.addActivity(a, "receiver"); 10353 if (chatty) { 10354 if (r == null) { 10355 r = new StringBuilder(256); 10356 } else { 10357 r.append(' '); 10358 } 10359 r.append(a.info.name); 10360 } 10361 } 10362 if (r != null) { 10363 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 10364 } 10365 10366 N = pkg.activities.size(); 10367 r = null; 10368 for (i=0; i<N; i++) { 10369 PackageParser.Activity a = pkg.activities.get(i); 10370 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 10371 a.info.processName); 10372 mActivities.addActivity(a, "activity"); 10373 if (chatty) { 10374 if (r == null) { 10375 r = new StringBuilder(256); 10376 } else { 10377 r.append(' '); 10378 } 10379 r.append(a.info.name); 10380 } 10381 } 10382 if (r != null) { 10383 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 10384 } 10385 10386 N = pkg.permissionGroups.size(); 10387 r = null; 10388 for (i=0; i<N; i++) { 10389 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 10390 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 10391 final String curPackageName = cur == null ? null : cur.info.packageName; 10392 // Dont allow ephemeral apps to define new permission groups. 10393 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 10394 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 10395 + pg.info.packageName 10396 + " ignored: instant apps cannot define new permission groups."); 10397 continue; 10398 } 10399 final boolean isPackageUpdate = pg.info.packageName.equals(curPackageName); 10400 if (cur == null || isPackageUpdate) { 10401 mPermissionGroups.put(pg.info.name, pg); 10402 if (chatty) { 10403 if (r == null) { 10404 r = new StringBuilder(256); 10405 } else { 10406 r.append(' '); 10407 } 10408 if (isPackageUpdate) { 10409 r.append("UPD:"); 10410 } 10411 r.append(pg.info.name); 10412 } 10413 } else { 10414 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 10415 + pg.info.packageName + " ignored: original from " 10416 + cur.info.packageName); 10417 if (chatty) { 10418 if (r == null) { 10419 r = new StringBuilder(256); 10420 } else { 10421 r.append(' '); 10422 } 10423 r.append("DUP:"); 10424 r.append(pg.info.name); 10425 } 10426 } 10427 } 10428 if (r != null) { 10429 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 10430 } 10431 10432 N = pkg.permissions.size(); 10433 r = null; 10434 for (i=0; i<N; i++) { 10435 PackageParser.Permission p = pkg.permissions.get(i); 10436 10437 // Dont allow ephemeral apps to define new permissions. 10438 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 10439 Slog.w(TAG, "Permission " + p.info.name + " from package " 10440 + p.info.packageName 10441 + " ignored: instant apps cannot define new permissions."); 10442 continue; 10443 } 10444 10445 // Assume by default that we did not install this permission into the system. 10446 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 10447 10448 // Now that permission groups have a special meaning, we ignore permission 10449 // groups for legacy apps to prevent unexpected behavior. In particular, 10450 // permissions for one app being granted to someone just becase they happen 10451 // to be in a group defined by another app (before this had no implications). 10452 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 10453 p.group = mPermissionGroups.get(p.info.group); 10454 // Warn for a permission in an unknown group. 10455 if (p.info.group != null && p.group == null) { 10456 Slog.w(TAG, "Permission " + p.info.name + " from package " 10457 + p.info.packageName + " in an unknown group " + p.info.group); 10458 } 10459 } 10460 10461 ArrayMap<String, BasePermission> permissionMap = 10462 p.tree ? mSettings.mPermissionTrees 10463 : mSettings.mPermissions; 10464 BasePermission bp = permissionMap.get(p.info.name); 10465 10466 // Allow system apps to redefine non-system permissions 10467 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 10468 final boolean currentOwnerIsSystem = (bp.perm != null 10469 && isSystemApp(bp.perm.owner)); 10470 if (isSystemApp(p.owner)) { 10471 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 10472 // It's a built-in permission and no owner, take ownership now 10473 bp.packageSetting = pkgSetting; 10474 bp.perm = p; 10475 bp.uid = pkg.applicationInfo.uid; 10476 bp.sourcePackage = p.info.packageName; 10477 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 10478 } else if (!currentOwnerIsSystem) { 10479 String msg = "New decl " + p.owner + " of permission " 10480 + p.info.name + " is system; overriding " + bp.sourcePackage; 10481 reportSettingsProblem(Log.WARN, msg); 10482 bp = null; 10483 } 10484 } 10485 } 10486 10487 if (bp == null) { 10488 bp = new BasePermission(p.info.name, p.info.packageName, 10489 BasePermission.TYPE_NORMAL); 10490 permissionMap.put(p.info.name, bp); 10491 } 10492 10493 if (bp.perm == null) { 10494 if (bp.sourcePackage == null 10495 || bp.sourcePackage.equals(p.info.packageName)) { 10496 BasePermission tree = findPermissionTreeLP(p.info.name); 10497 if (tree == null 10498 || tree.sourcePackage.equals(p.info.packageName)) { 10499 bp.packageSetting = pkgSetting; 10500 bp.perm = p; 10501 bp.uid = pkg.applicationInfo.uid; 10502 bp.sourcePackage = p.info.packageName; 10503 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 10504 if (chatty) { 10505 if (r == null) { 10506 r = new StringBuilder(256); 10507 } else { 10508 r.append(' '); 10509 } 10510 r.append(p.info.name); 10511 } 10512 } else { 10513 Slog.w(TAG, "Permission " + p.info.name + " from package " 10514 + p.info.packageName + " ignored: base tree " 10515 + tree.name + " is from package " 10516 + tree.sourcePackage); 10517 } 10518 } else { 10519 Slog.w(TAG, "Permission " + p.info.name + " from package " 10520 + p.info.packageName + " ignored: original from " 10521 + bp.sourcePackage); 10522 } 10523 } else if (chatty) { 10524 if (r == null) { 10525 r = new StringBuilder(256); 10526 } else { 10527 r.append(' '); 10528 } 10529 r.append("DUP:"); 10530 r.append(p.info.name); 10531 } 10532 if (bp.perm == p) { 10533 bp.protectionLevel = p.info.protectionLevel; 10534 } 10535 } 10536 10537 if (r != null) { 10538 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 10539 } 10540 10541 N = pkg.instrumentation.size(); 10542 r = null; 10543 for (i=0; i<N; i++) { 10544 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 10545 a.info.packageName = pkg.applicationInfo.packageName; 10546 a.info.sourceDir = pkg.applicationInfo.sourceDir; 10547 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 10548 a.info.splitNames = pkg.splitNames; 10549 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 10550 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 10551 a.info.splitDependencies = pkg.applicationInfo.splitDependencies; 10552 a.info.dataDir = pkg.applicationInfo.dataDir; 10553 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 10554 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 10555 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 10556 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 10557 mInstrumentation.put(a.getComponentName(), a); 10558 if (chatty) { 10559 if (r == null) { 10560 r = new StringBuilder(256); 10561 } else { 10562 r.append(' '); 10563 } 10564 r.append(a.info.name); 10565 } 10566 } 10567 if (r != null) { 10568 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 10569 } 10570 10571 if (pkg.protectedBroadcasts != null) { 10572 N = pkg.protectedBroadcasts.size(); 10573 for (i=0; i<N; i++) { 10574 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 10575 } 10576 } 10577 } 10578 10579 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10580 } 10581 10582 /** 10583 * Derive the ABI of a non-system package located at {@code scanFile}. This information 10584 * is derived purely on the basis of the contents of {@code scanFile} and 10585 * {@code cpuAbiOverride}. 10586 * 10587 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 10588 */ 10589 private static void derivePackageAbi(PackageParser.Package pkg, File scanFile, 10590 String cpuAbiOverride, boolean extractLibs, 10591 File appLib32InstallDir) 10592 throws PackageManagerException { 10593 // Give ourselves some initial paths; we'll come back for another 10594 // pass once we've determined ABI below. 10595 setNativeLibraryPaths(pkg, appLib32InstallDir); 10596 10597 // We would never need to extract libs for forward-locked and external packages, 10598 // since the container service will do it for us. We shouldn't attempt to 10599 // extract libs from system app when it was not updated. 10600 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 10601 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 10602 extractLibs = false; 10603 } 10604 10605 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 10606 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 10607 10608 NativeLibraryHelper.Handle handle = null; 10609 try { 10610 handle = NativeLibraryHelper.Handle.create(pkg); 10611 // TODO(multiArch): This can be null for apps that didn't go through the 10612 // usual installation process. We can calculate it again, like we 10613 // do during install time. 10614 // 10615 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 10616 // unnecessary. 10617 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 10618 10619 // Null out the abis so that they can be recalculated. 10620 pkg.applicationInfo.primaryCpuAbi = null; 10621 pkg.applicationInfo.secondaryCpuAbi = null; 10622 if (isMultiArch(pkg.applicationInfo)) { 10623 // Warn if we've set an abiOverride for multi-lib packages.. 10624 // By definition, we need to copy both 32 and 64 bit libraries for 10625 // such packages. 10626 if (pkg.cpuAbiOverride != null 10627 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 10628 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 10629 } 10630 10631 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 10632 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 10633 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 10634 if (extractLibs) { 10635 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 10636 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 10637 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 10638 useIsaSpecificSubdirs); 10639 } else { 10640 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 10641 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 10642 } 10643 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10644 } 10645 10646 maybeThrowExceptionForMultiArchCopy( 10647 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 10648 10649 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 10650 if (extractLibs) { 10651 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 10652 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 10653 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 10654 useIsaSpecificSubdirs); 10655 } else { 10656 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 10657 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 10658 } 10659 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10660 } 10661 10662 maybeThrowExceptionForMultiArchCopy( 10663 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 10664 10665 if (abi64 >= 0) { 10666 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 10667 } 10668 10669 if (abi32 >= 0) { 10670 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 10671 if (abi64 >= 0) { 10672 if (pkg.use32bitAbi) { 10673 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 10674 pkg.applicationInfo.primaryCpuAbi = abi; 10675 } else { 10676 pkg.applicationInfo.secondaryCpuAbi = abi; 10677 } 10678 } else { 10679 pkg.applicationInfo.primaryCpuAbi = abi; 10680 } 10681 } 10682 10683 } else { 10684 String[] abiList = (cpuAbiOverride != null) ? 10685 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 10686 10687 // Enable gross and lame hacks for apps that are built with old 10688 // SDK tools. We must scan their APKs for renderscript bitcode and 10689 // not launch them if it's present. Don't bother checking on devices 10690 // that don't have 64 bit support. 10691 boolean needsRenderScriptOverride = false; 10692 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 10693 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 10694 abiList = Build.SUPPORTED_32_BIT_ABIS; 10695 needsRenderScriptOverride = true; 10696 } 10697 10698 final int copyRet; 10699 if (extractLibs) { 10700 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 10701 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 10702 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 10703 } else { 10704 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 10705 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 10706 } 10707 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10708 10709 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 10710 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 10711 "Error unpackaging native libs for app, errorCode=" + copyRet); 10712 } 10713 10714 if (copyRet >= 0) { 10715 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 10716 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 10717 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 10718 } else if (needsRenderScriptOverride) { 10719 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 10720 } 10721 } 10722 } catch (IOException ioe) { 10723 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 10724 } finally { 10725 IoUtils.closeQuietly(handle); 10726 } 10727 10728 // Now that we've calculated the ABIs and determined if it's an internal app, 10729 // we will go ahead and populate the nativeLibraryPath. 10730 setNativeLibraryPaths(pkg, appLib32InstallDir); 10731 } 10732 10733 /** 10734 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 10735 * i.e, so that all packages can be run inside a single process if required. 10736 * 10737 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 10738 * this function will either try and make the ABI for all packages in {@code packagesForUser} 10739 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 10740 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 10741 * updating a package that belongs to a shared user. 10742 * 10743 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 10744 * adds unnecessary complexity. 10745 */ 10746 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 10747 PackageParser.Package scannedPackage) { 10748 String requiredInstructionSet = null; 10749 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 10750 requiredInstructionSet = VMRuntime.getInstructionSet( 10751 scannedPackage.applicationInfo.primaryCpuAbi); 10752 } 10753 10754 PackageSetting requirer = null; 10755 for (PackageSetting ps : packagesForUser) { 10756 // If packagesForUser contains scannedPackage, we skip it. This will happen 10757 // when scannedPackage is an update of an existing package. Without this check, 10758 // we will never be able to change the ABI of any package belonging to a shared 10759 // user, even if it's compatible with other packages. 10760 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 10761 if (ps.primaryCpuAbiString == null) { 10762 continue; 10763 } 10764 10765 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 10766 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 10767 // We have a mismatch between instruction sets (say arm vs arm64) warn about 10768 // this but there's not much we can do. 10769 String errorMessage = "Instruction set mismatch, " 10770 + ((requirer == null) ? "[caller]" : requirer) 10771 + " requires " + requiredInstructionSet + " whereas " + ps 10772 + " requires " + instructionSet; 10773 Slog.w(TAG, errorMessage); 10774 } 10775 10776 if (requiredInstructionSet == null) { 10777 requiredInstructionSet = instructionSet; 10778 requirer = ps; 10779 } 10780 } 10781 } 10782 10783 if (requiredInstructionSet != null) { 10784 String adjustedAbi; 10785 if (requirer != null) { 10786 // requirer != null implies that either scannedPackage was null or that scannedPackage 10787 // did not require an ABI, in which case we have to adjust scannedPackage to match 10788 // the ABI of the set (which is the same as requirer's ABI) 10789 adjustedAbi = requirer.primaryCpuAbiString; 10790 if (scannedPackage != null) { 10791 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 10792 } 10793 } else { 10794 // requirer == null implies that we're updating all ABIs in the set to 10795 // match scannedPackage. 10796 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 10797 } 10798 10799 for (PackageSetting ps : packagesForUser) { 10800 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 10801 if (ps.primaryCpuAbiString != null) { 10802 continue; 10803 } 10804 10805 ps.primaryCpuAbiString = adjustedAbi; 10806 if (ps.pkg != null && ps.pkg.applicationInfo != null && 10807 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 10808 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 10809 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 10810 + " (requirer=" 10811 + (requirer != null ? requirer.pkg : "null") 10812 + ", scannedPackage=" 10813 + (scannedPackage != null ? scannedPackage : "null") 10814 + ")"); 10815 try { 10816 mInstaller.rmdex(ps.codePathString, 10817 getDexCodeInstructionSet(getPreferredInstructionSet())); 10818 } catch (InstallerException ignored) { 10819 } 10820 } 10821 } 10822 } 10823 } 10824 } 10825 10826 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 10827 synchronized (mPackages) { 10828 mResolverReplaced = true; 10829 // Set up information for custom user intent resolution activity. 10830 mResolveActivity.applicationInfo = pkg.applicationInfo; 10831 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 10832 mResolveActivity.packageName = pkg.applicationInfo.packageName; 10833 mResolveActivity.processName = pkg.applicationInfo.packageName; 10834 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 10835 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 10836 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 10837 mResolveActivity.theme = 0; 10838 mResolveActivity.exported = true; 10839 mResolveActivity.enabled = true; 10840 mResolveInfo.activityInfo = mResolveActivity; 10841 mResolveInfo.priority = 0; 10842 mResolveInfo.preferredOrder = 0; 10843 mResolveInfo.match = 0; 10844 mResolveComponentName = mCustomResolverComponentName; 10845 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 10846 mResolveComponentName); 10847 } 10848 } 10849 10850 private void setUpInstantAppInstallerActivityLP(ActivityInfo installerActivity) { 10851 if (installerActivity == null) { 10852 if (DEBUG_EPHEMERAL) { 10853 Slog.d(TAG, "Clear ephemeral installer activity"); 10854 } 10855 mInstantAppInstallerActivity = null; 10856 return; 10857 } 10858 10859 if (DEBUG_EPHEMERAL) { 10860 Slog.d(TAG, "Set ephemeral installer activity: " 10861 + installerActivity.getComponentName()); 10862 } 10863 // Set up information for ephemeral installer activity 10864 mInstantAppInstallerActivity = installerActivity; 10865 mInstantAppInstallerActivity.flags |= ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS 10866 | ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 10867 mInstantAppInstallerActivity.exported = true; 10868 mInstantAppInstallerActivity.enabled = true; 10869 mInstantAppInstallerInfo.activityInfo = mInstantAppInstallerActivity; 10870 mInstantAppInstallerInfo.priority = 0; 10871 mInstantAppInstallerInfo.preferredOrder = 1; 10872 mInstantAppInstallerInfo.isDefault = true; 10873 mInstantAppInstallerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 10874 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 10875 } 10876 10877 private static String calculateBundledApkRoot(final String codePathString) { 10878 final File codePath = new File(codePathString); 10879 final File codeRoot; 10880 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 10881 codeRoot = Environment.getRootDirectory(); 10882 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 10883 codeRoot = Environment.getOemDirectory(); 10884 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 10885 codeRoot = Environment.getVendorDirectory(); 10886 } else { 10887 // Unrecognized code path; take its top real segment as the apk root: 10888 // e.g. /something/app/blah.apk => /something 10889 try { 10890 File f = codePath.getCanonicalFile(); 10891 File parent = f.getParentFile(); // non-null because codePath is a file 10892 File tmp; 10893 while ((tmp = parent.getParentFile()) != null) { 10894 f = parent; 10895 parent = tmp; 10896 } 10897 codeRoot = f; 10898 Slog.w(TAG, "Unrecognized code path " 10899 + codePath + " - using " + codeRoot); 10900 } catch (IOException e) { 10901 // Can't canonicalize the code path -- shenanigans? 10902 Slog.w(TAG, "Can't canonicalize code path " + codePath); 10903 return Environment.getRootDirectory().getPath(); 10904 } 10905 } 10906 return codeRoot.getPath(); 10907 } 10908 10909 /** 10910 * Derive and set the location of native libraries for the given package, 10911 * which varies depending on where and how the package was installed. 10912 */ 10913 private static void setNativeLibraryPaths(PackageParser.Package pkg, File appLib32InstallDir) { 10914 final ApplicationInfo info = pkg.applicationInfo; 10915 final String codePath = pkg.codePath; 10916 final File codeFile = new File(codePath); 10917 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 10918 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 10919 10920 info.nativeLibraryRootDir = null; 10921 info.nativeLibraryRootRequiresIsa = false; 10922 info.nativeLibraryDir = null; 10923 info.secondaryNativeLibraryDir = null; 10924 10925 if (isApkFile(codeFile)) { 10926 // Monolithic install 10927 if (bundledApp) { 10928 // If "/system/lib64/apkname" exists, assume that is the per-package 10929 // native library directory to use; otherwise use "/system/lib/apkname". 10930 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 10931 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 10932 getPrimaryInstructionSet(info)); 10933 10934 // This is a bundled system app so choose the path based on the ABI. 10935 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 10936 // is just the default path. 10937 final String apkName = deriveCodePathName(codePath); 10938 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 10939 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 10940 apkName).getAbsolutePath(); 10941 10942 if (info.secondaryCpuAbi != null) { 10943 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 10944 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 10945 secondaryLibDir, apkName).getAbsolutePath(); 10946 } 10947 } else if (asecApp) { 10948 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 10949 .getAbsolutePath(); 10950 } else { 10951 final String apkName = deriveCodePathName(codePath); 10952 info.nativeLibraryRootDir = new File(appLib32InstallDir, apkName) 10953 .getAbsolutePath(); 10954 } 10955 10956 info.nativeLibraryRootRequiresIsa = false; 10957 info.nativeLibraryDir = info.nativeLibraryRootDir; 10958 } else { 10959 // Cluster install 10960 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 10961 info.nativeLibraryRootRequiresIsa = true; 10962 10963 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 10964 getPrimaryInstructionSet(info)).getAbsolutePath(); 10965 10966 if (info.secondaryCpuAbi != null) { 10967 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 10968 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 10969 } 10970 } 10971 } 10972 10973 /** 10974 * Calculate the abis and roots for a bundled app. These can uniquely 10975 * be determined from the contents of the system partition, i.e whether 10976 * it contains 64 or 32 bit shared libraries etc. We do not validate any 10977 * of this information, and instead assume that the system was built 10978 * sensibly. 10979 */ 10980 private static void setBundledAppAbisAndRoots(PackageParser.Package pkg, 10981 PackageSetting pkgSetting) { 10982 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 10983 10984 // If "/system/lib64/apkname" exists, assume that is the per-package 10985 // native library directory to use; otherwise use "/system/lib/apkname". 10986 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 10987 setBundledAppAbi(pkg, apkRoot, apkName); 10988 // pkgSetting might be null during rescan following uninstall of updates 10989 // to a bundled app, so accommodate that possibility. The settings in 10990 // that case will be established later from the parsed package. 10991 // 10992 // If the settings aren't null, sync them up with what we've just derived. 10993 // note that apkRoot isn't stored in the package settings. 10994 if (pkgSetting != null) { 10995 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 10996 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 10997 } 10998 } 10999 11000 /** 11001 * Deduces the ABI of a bundled app and sets the relevant fields on the 11002 * parsed pkg object. 11003 * 11004 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 11005 * under which system libraries are installed. 11006 * @param apkName the name of the installed package. 11007 */ 11008 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 11009 final File codeFile = new File(pkg.codePath); 11010 11011 final boolean has64BitLibs; 11012 final boolean has32BitLibs; 11013 if (isApkFile(codeFile)) { 11014 // Monolithic install 11015 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 11016 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 11017 } else { 11018 // Cluster install 11019 final File rootDir = new File(codeFile, LIB_DIR_NAME); 11020 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 11021 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 11022 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 11023 has64BitLibs = (new File(rootDir, isa)).exists(); 11024 } else { 11025 has64BitLibs = false; 11026 } 11027 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 11028 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 11029 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 11030 has32BitLibs = (new File(rootDir, isa)).exists(); 11031 } else { 11032 has32BitLibs = false; 11033 } 11034 } 11035 11036 if (has64BitLibs && !has32BitLibs) { 11037 // The package has 64 bit libs, but not 32 bit libs. Its primary 11038 // ABI should be 64 bit. We can safely assume here that the bundled 11039 // native libraries correspond to the most preferred ABI in the list. 11040 11041 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 11042 pkg.applicationInfo.secondaryCpuAbi = null; 11043 } else if (has32BitLibs && !has64BitLibs) { 11044 // The package has 32 bit libs but not 64 bit libs. Its primary 11045 // ABI should be 32 bit. 11046 11047 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 11048 pkg.applicationInfo.secondaryCpuAbi = null; 11049 } else if (has32BitLibs && has64BitLibs) { 11050 // The application has both 64 and 32 bit bundled libraries. We check 11051 // here that the app declares multiArch support, and warn if it doesn't. 11052 // 11053 // We will be lenient here and record both ABIs. The primary will be the 11054 // ABI that's higher on the list, i.e, a device that's configured to prefer 11055 // 64 bit apps will see a 64 bit primary ABI, 11056 11057 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 11058 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 11059 } 11060 11061 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 11062 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 11063 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 11064 } else { 11065 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 11066 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 11067 } 11068 } else { 11069 pkg.applicationInfo.primaryCpuAbi = null; 11070 pkg.applicationInfo.secondaryCpuAbi = null; 11071 } 11072 } 11073 11074 private void killApplication(String pkgName, int appId, String reason) { 11075 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 11076 } 11077 11078 private void killApplication(String pkgName, int appId, int userId, String reason) { 11079 // Request the ActivityManager to kill the process(only for existing packages) 11080 // so that we do not end up in a confused state while the user is still using the older 11081 // version of the application while the new one gets installed. 11082 final long token = Binder.clearCallingIdentity(); 11083 try { 11084 IActivityManager am = ActivityManager.getService(); 11085 if (am != null) { 11086 try { 11087 am.killApplication(pkgName, appId, userId, reason); 11088 } catch (RemoteException e) { 11089 } 11090 } 11091 } finally { 11092 Binder.restoreCallingIdentity(token); 11093 } 11094 } 11095 11096 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 11097 // Remove the parent package setting 11098 PackageSetting ps = (PackageSetting) pkg.mExtras; 11099 if (ps != null) { 11100 removePackageLI(ps, chatty); 11101 } 11102 // Remove the child package setting 11103 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 11104 for (int i = 0; i < childCount; i++) { 11105 PackageParser.Package childPkg = pkg.childPackages.get(i); 11106 ps = (PackageSetting) childPkg.mExtras; 11107 if (ps != null) { 11108 removePackageLI(ps, chatty); 11109 } 11110 } 11111 } 11112 11113 void removePackageLI(PackageSetting ps, boolean chatty) { 11114 if (DEBUG_INSTALL) { 11115 if (chatty) 11116 Log.d(TAG, "Removing package " + ps.name); 11117 } 11118 11119 // writer 11120 synchronized (mPackages) { 11121 mPackages.remove(ps.name); 11122 final PackageParser.Package pkg = ps.pkg; 11123 if (pkg != null) { 11124 cleanPackageDataStructuresLILPw(pkg, chatty); 11125 } 11126 } 11127 } 11128 11129 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 11130 if (DEBUG_INSTALL) { 11131 if (chatty) 11132 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 11133 } 11134 11135 // writer 11136 synchronized (mPackages) { 11137 // Remove the parent package 11138 mPackages.remove(pkg.applicationInfo.packageName); 11139 cleanPackageDataStructuresLILPw(pkg, chatty); 11140 11141 // Remove the child packages 11142 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 11143 for (int i = 0; i < childCount; i++) { 11144 PackageParser.Package childPkg = pkg.childPackages.get(i); 11145 mPackages.remove(childPkg.applicationInfo.packageName); 11146 cleanPackageDataStructuresLILPw(childPkg, chatty); 11147 } 11148 } 11149 } 11150 11151 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 11152 int N = pkg.providers.size(); 11153 StringBuilder r = null; 11154 int i; 11155 for (i=0; i<N; i++) { 11156 PackageParser.Provider p = pkg.providers.get(i); 11157 mProviders.removeProvider(p); 11158 if (p.info.authority == null) { 11159 11160 /* There was another ContentProvider with this authority when 11161 * this app was installed so this authority is null, 11162 * Ignore it as we don't have to unregister the provider. 11163 */ 11164 continue; 11165 } 11166 String names[] = p.info.authority.split(";"); 11167 for (int j = 0; j < names.length; j++) { 11168 if (mProvidersByAuthority.get(names[j]) == p) { 11169 mProvidersByAuthority.remove(names[j]); 11170 if (DEBUG_REMOVE) { 11171 if (chatty) 11172 Log.d(TAG, "Unregistered content provider: " + names[j] 11173 + ", className = " + p.info.name + ", isSyncable = " 11174 + p.info.isSyncable); 11175 } 11176 } 11177 } 11178 if (DEBUG_REMOVE && chatty) { 11179 if (r == null) { 11180 r = new StringBuilder(256); 11181 } else { 11182 r.append(' '); 11183 } 11184 r.append(p.info.name); 11185 } 11186 } 11187 if (r != null) { 11188 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 11189 } 11190 11191 N = pkg.services.size(); 11192 r = null; 11193 for (i=0; i<N; i++) { 11194 PackageParser.Service s = pkg.services.get(i); 11195 mServices.removeService(s); 11196 if (chatty) { 11197 if (r == null) { 11198 r = new StringBuilder(256); 11199 } else { 11200 r.append(' '); 11201 } 11202 r.append(s.info.name); 11203 } 11204 } 11205 if (r != null) { 11206 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 11207 } 11208 11209 N = pkg.receivers.size(); 11210 r = null; 11211 for (i=0; i<N; i++) { 11212 PackageParser.Activity a = pkg.receivers.get(i); 11213 mReceivers.removeActivity(a, "receiver"); 11214 if (DEBUG_REMOVE && chatty) { 11215 if (r == null) { 11216 r = new StringBuilder(256); 11217 } else { 11218 r.append(' '); 11219 } 11220 r.append(a.info.name); 11221 } 11222 } 11223 if (r != null) { 11224 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 11225 } 11226 11227 N = pkg.activities.size(); 11228 r = null; 11229 for (i=0; i<N; i++) { 11230 PackageParser.Activity a = pkg.activities.get(i); 11231 mActivities.removeActivity(a, "activity"); 11232 if (DEBUG_REMOVE && chatty) { 11233 if (r == null) { 11234 r = new StringBuilder(256); 11235 } else { 11236 r.append(' '); 11237 } 11238 r.append(a.info.name); 11239 } 11240 } 11241 if (r != null) { 11242 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 11243 } 11244 11245 N = pkg.permissions.size(); 11246 r = null; 11247 for (i=0; i<N; i++) { 11248 PackageParser.Permission p = pkg.permissions.get(i); 11249 BasePermission bp = mSettings.mPermissions.get(p.info.name); 11250 if (bp == null) { 11251 bp = mSettings.mPermissionTrees.get(p.info.name); 11252 } 11253 if (bp != null && bp.perm == p) { 11254 bp.perm = null; 11255 if (DEBUG_REMOVE && chatty) { 11256 if (r == null) { 11257 r = new StringBuilder(256); 11258 } else { 11259 r.append(' '); 11260 } 11261 r.append(p.info.name); 11262 } 11263 } 11264 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 11265 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 11266 if (appOpPkgs != null) { 11267 appOpPkgs.remove(pkg.packageName); 11268 } 11269 } 11270 } 11271 if (r != null) { 11272 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 11273 } 11274 11275 N = pkg.requestedPermissions.size(); 11276 r = null; 11277 for (i=0; i<N; i++) { 11278 String perm = pkg.requestedPermissions.get(i); 11279 BasePermission bp = mSettings.mPermissions.get(perm); 11280 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 11281 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 11282 if (appOpPkgs != null) { 11283 appOpPkgs.remove(pkg.packageName); 11284 if (appOpPkgs.isEmpty()) { 11285 mAppOpPermissionPackages.remove(perm); 11286 } 11287 } 11288 } 11289 } 11290 if (r != null) { 11291 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 11292 } 11293 11294 N = pkg.instrumentation.size(); 11295 r = null; 11296 for (i=0; i<N; i++) { 11297 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 11298 mInstrumentation.remove(a.getComponentName()); 11299 if (DEBUG_REMOVE && chatty) { 11300 if (r == null) { 11301 r = new StringBuilder(256); 11302 } else { 11303 r.append(' '); 11304 } 11305 r.append(a.info.name); 11306 } 11307 } 11308 if (r != null) { 11309 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 11310 } 11311 11312 r = null; 11313 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 11314 // Only system apps can hold shared libraries. 11315 if (pkg.libraryNames != null) { 11316 for (i = 0; i < pkg.libraryNames.size(); i++) { 11317 String name = pkg.libraryNames.get(i); 11318 if (removeSharedLibraryLPw(name, 0)) { 11319 if (DEBUG_REMOVE && chatty) { 11320 if (r == null) { 11321 r = new StringBuilder(256); 11322 } else { 11323 r.append(' '); 11324 } 11325 r.append(name); 11326 } 11327 } 11328 } 11329 } 11330 } 11331 11332 r = null; 11333 11334 // Any package can hold static shared libraries. 11335 if (pkg.staticSharedLibName != null) { 11336 if (removeSharedLibraryLPw(pkg.staticSharedLibName, pkg.staticSharedLibVersion)) { 11337 if (DEBUG_REMOVE && chatty) { 11338 if (r == null) { 11339 r = new StringBuilder(256); 11340 } else { 11341 r.append(' '); 11342 } 11343 r.append(pkg.staticSharedLibName); 11344 } 11345 } 11346 } 11347 11348 if (r != null) { 11349 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 11350 } 11351 } 11352 11353 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 11354 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 11355 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 11356 return true; 11357 } 11358 } 11359 return false; 11360 } 11361 11362 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 11363 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 11364 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 11365 11366 private void updatePermissionsLPw(PackageParser.Package pkg, int flags) { 11367 // Update the parent permissions 11368 updatePermissionsLPw(pkg.packageName, pkg, flags); 11369 // Update the child permissions 11370 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 11371 for (int i = 0; i < childCount; i++) { 11372 PackageParser.Package childPkg = pkg.childPackages.get(i); 11373 updatePermissionsLPw(childPkg.packageName, childPkg, flags); 11374 } 11375 } 11376 11377 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 11378 int flags) { 11379 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 11380 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 11381 } 11382 11383 private void updatePermissionsLPw(String changingPkg, 11384 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 11385 // Make sure there are no dangling permission trees. 11386 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 11387 while (it.hasNext()) { 11388 final BasePermission bp = it.next(); 11389 if (bp.packageSetting == null) { 11390 // We may not yet have parsed the package, so just see if 11391 // we still know about its settings. 11392 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 11393 } 11394 if (bp.packageSetting == null) { 11395 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 11396 + " from package " + bp.sourcePackage); 11397 it.remove(); 11398 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 11399 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 11400 Slog.i(TAG, "Removing old permission tree: " + bp.name 11401 + " from package " + bp.sourcePackage); 11402 flags |= UPDATE_PERMISSIONS_ALL; 11403 it.remove(); 11404 } 11405 } 11406 } 11407 11408 // Make sure all dynamic permissions have been assigned to a package, 11409 // and make sure there are no dangling permissions. 11410 it = mSettings.mPermissions.values().iterator(); 11411 while (it.hasNext()) { 11412 final BasePermission bp = it.next(); 11413 if (bp.type == BasePermission.TYPE_DYNAMIC) { 11414 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 11415 + bp.name + " pkg=" + bp.sourcePackage 11416 + " info=" + bp.pendingInfo); 11417 if (bp.packageSetting == null && bp.pendingInfo != null) { 11418 final BasePermission tree = findPermissionTreeLP(bp.name); 11419 if (tree != null && tree.perm != null) { 11420 bp.packageSetting = tree.packageSetting; 11421 bp.perm = new PackageParser.Permission(tree.perm.owner, 11422 new PermissionInfo(bp.pendingInfo)); 11423 bp.perm.info.packageName = tree.perm.info.packageName; 11424 bp.perm.info.name = bp.name; 11425 bp.uid = tree.uid; 11426 } 11427 } 11428 } 11429 if (bp.packageSetting == null) { 11430 // We may not yet have parsed the package, so just see if 11431 // we still know about its settings. 11432 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 11433 } 11434 if (bp.packageSetting == null) { 11435 Slog.w(TAG, "Removing dangling permission: " + bp.name 11436 + " from package " + bp.sourcePackage); 11437 it.remove(); 11438 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 11439 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 11440 Slog.i(TAG, "Removing old permission: " + bp.name 11441 + " from package " + bp.sourcePackage); 11442 flags |= UPDATE_PERMISSIONS_ALL; 11443 it.remove(); 11444 } 11445 } 11446 } 11447 11448 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 11449 // Now update the permissions for all packages, in particular 11450 // replace the granted permissions of the system packages. 11451 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 11452 for (PackageParser.Package pkg : mPackages.values()) { 11453 if (pkg != pkgInfo) { 11454 // Only replace for packages on requested volume 11455 final String volumeUuid = getVolumeUuidForPackage(pkg); 11456 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 11457 && Objects.equals(replaceVolumeUuid, volumeUuid); 11458 grantPermissionsLPw(pkg, replace, changingPkg); 11459 } 11460 } 11461 } 11462 11463 if (pkgInfo != null) { 11464 // Only replace for packages on requested volume 11465 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 11466 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 11467 && Objects.equals(replaceVolumeUuid, volumeUuid); 11468 grantPermissionsLPw(pkgInfo, replace, changingPkg); 11469 } 11470 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11471 } 11472 11473 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 11474 String packageOfInterest) { 11475 // IMPORTANT: There are two types of permissions: install and runtime. 11476 // Install time permissions are granted when the app is installed to 11477 // all device users and users added in the future. Runtime permissions 11478 // are granted at runtime explicitly to specific users. Normal and signature 11479 // protected permissions are install time permissions. Dangerous permissions 11480 // are install permissions if the app's target SDK is Lollipop MR1 or older, 11481 // otherwise they are runtime permissions. This function does not manage 11482 // runtime permissions except for the case an app targeting Lollipop MR1 11483 // being upgraded to target a newer SDK, in which case dangerous permissions 11484 // are transformed from install time to runtime ones. 11485 11486 final PackageSetting ps = (PackageSetting) pkg.mExtras; 11487 if (ps == null) { 11488 return; 11489 } 11490 11491 PermissionsState permissionsState = ps.getPermissionsState(); 11492 PermissionsState origPermissions = permissionsState; 11493 11494 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 11495 11496 boolean runtimePermissionsRevoked = false; 11497 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 11498 11499 boolean changedInstallPermission = false; 11500 11501 if (replace) { 11502 ps.installPermissionsFixed = false; 11503 if (!ps.isSharedUser()) { 11504 origPermissions = new PermissionsState(permissionsState); 11505 permissionsState.reset(); 11506 } else { 11507 // We need to know only about runtime permission changes since the 11508 // calling code always writes the install permissions state but 11509 // the runtime ones are written only if changed. The only cases of 11510 // changed runtime permissions here are promotion of an install to 11511 // runtime and revocation of a runtime from a shared user. 11512 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 11513 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 11514 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 11515 runtimePermissionsRevoked = true; 11516 } 11517 } 11518 } 11519 11520 permissionsState.setGlobalGids(mGlobalGids); 11521 11522 final int N = pkg.requestedPermissions.size(); 11523 for (int i=0; i<N; i++) { 11524 final String name = pkg.requestedPermissions.get(i); 11525 final BasePermission bp = mSettings.mPermissions.get(name); 11526 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 11527 >= Build.VERSION_CODES.M; 11528 11529 if (DEBUG_INSTALL) { 11530 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 11531 } 11532 11533 if (bp == null || bp.packageSetting == null) { 11534 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 11535 Slog.w(TAG, "Unknown permission " + name 11536 + " in package " + pkg.packageName); 11537 } 11538 continue; 11539 } 11540 11541 11542 // Limit ephemeral apps to ephemeral allowed permissions. 11543 if (pkg.applicationInfo.isInstantApp() && !bp.isInstant()) { 11544 Log.i(TAG, "Denying non-ephemeral permission " + bp.name + " for package " 11545 + pkg.packageName); 11546 continue; 11547 } 11548 11549 if (bp.isRuntimeOnly() && !appSupportsRuntimePermissions) { 11550 Log.i(TAG, "Denying runtime-only permission " + bp.name + " for package " 11551 + pkg.packageName); 11552 continue; 11553 } 11554 11555 final String perm = bp.name; 11556 boolean allowedSig = false; 11557 int grant = GRANT_DENIED; 11558 11559 // Keep track of app op permissions. 11560 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 11561 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 11562 if (pkgs == null) { 11563 pkgs = new ArraySet<>(); 11564 mAppOpPermissionPackages.put(bp.name, pkgs); 11565 } 11566 pkgs.add(pkg.packageName); 11567 } 11568 11569 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 11570 switch (level) { 11571 case PermissionInfo.PROTECTION_NORMAL: { 11572 // For all apps normal permissions are install time ones. 11573 grant = GRANT_INSTALL; 11574 } break; 11575 11576 case PermissionInfo.PROTECTION_DANGEROUS: { 11577 // If a permission review is required for legacy apps we represent 11578 // their permissions as always granted runtime ones since we need 11579 // to keep the review required permission flag per user while an 11580 // install permission's state is shared across all users. 11581 if (!appSupportsRuntimePermissions && !mPermissionReviewRequired) { 11582 // For legacy apps dangerous permissions are install time ones. 11583 grant = GRANT_INSTALL; 11584 } else if (origPermissions.hasInstallPermission(bp.name)) { 11585 // For legacy apps that became modern, install becomes runtime. 11586 grant = GRANT_UPGRADE; 11587 } else if (mPromoteSystemApps 11588 && isSystemApp(ps) 11589 && mExistingSystemPackages.contains(ps.name)) { 11590 // For legacy system apps, install becomes runtime. 11591 // We cannot check hasInstallPermission() for system apps since those 11592 // permissions were granted implicitly and not persisted pre-M. 11593 grant = GRANT_UPGRADE; 11594 } else { 11595 // For modern apps keep runtime permissions unchanged. 11596 grant = GRANT_RUNTIME; 11597 } 11598 } break; 11599 11600 case PermissionInfo.PROTECTION_SIGNATURE: { 11601 // For all apps signature permissions are install time ones. 11602 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 11603 if (allowedSig) { 11604 grant = GRANT_INSTALL; 11605 } 11606 } break; 11607 } 11608 11609 if (DEBUG_INSTALL) { 11610 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 11611 } 11612 11613 if (grant != GRANT_DENIED) { 11614 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 11615 // If this is an existing, non-system package, then 11616 // we can't add any new permissions to it. 11617 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 11618 // Except... if this is a permission that was added 11619 // to the platform (note: need to only do this when 11620 // updating the platform). 11621 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 11622 grant = GRANT_DENIED; 11623 } 11624 } 11625 } 11626 11627 switch (grant) { 11628 case GRANT_INSTALL: { 11629 // Revoke this as runtime permission to handle the case of 11630 // a runtime permission being downgraded to an install one. 11631 // Also in permission review mode we keep dangerous permissions 11632 // for legacy apps 11633 for (int userId : UserManagerService.getInstance().getUserIds()) { 11634 if (origPermissions.getRuntimePermissionState( 11635 bp.name, userId) != null) { 11636 // Revoke the runtime permission and clear the flags. 11637 origPermissions.revokeRuntimePermission(bp, userId); 11638 origPermissions.updatePermissionFlags(bp, userId, 11639 PackageManager.MASK_PERMISSION_FLAGS, 0); 11640 // If we revoked a permission permission, we have to write. 11641 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11642 changedRuntimePermissionUserIds, userId); 11643 } 11644 } 11645 // Grant an install permission. 11646 if (permissionsState.grantInstallPermission(bp) != 11647 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11648 changedInstallPermission = true; 11649 } 11650 } break; 11651 11652 case GRANT_RUNTIME: { 11653 // Grant previously granted runtime permissions. 11654 for (int userId : UserManagerService.getInstance().getUserIds()) { 11655 PermissionState permissionState = origPermissions 11656 .getRuntimePermissionState(bp.name, userId); 11657 int flags = permissionState != null 11658 ? permissionState.getFlags() : 0; 11659 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 11660 // Don't propagate the permission in a permission review mode if 11661 // the former was revoked, i.e. marked to not propagate on upgrade. 11662 // Note that in a permission review mode install permissions are 11663 // represented as constantly granted runtime ones since we need to 11664 // keep a per user state associated with the permission. Also the 11665 // revoke on upgrade flag is no longer applicable and is reset. 11666 final boolean revokeOnUpgrade = (flags & PackageManager 11667 .FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 11668 if (revokeOnUpgrade) { 11669 flags &= ~PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 11670 // Since we changed the flags, we have to write. 11671 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11672 changedRuntimePermissionUserIds, userId); 11673 } 11674 if (!mPermissionReviewRequired || !revokeOnUpgrade) { 11675 if (permissionsState.grantRuntimePermission(bp, userId) == 11676 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11677 // If we cannot put the permission as it was, 11678 // we have to write. 11679 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11680 changedRuntimePermissionUserIds, userId); 11681 } 11682 } 11683 11684 // If the app supports runtime permissions no need for a review. 11685 if (mPermissionReviewRequired 11686 && appSupportsRuntimePermissions 11687 && (flags & PackageManager 11688 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 11689 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 11690 // Since we changed the flags, we have to write. 11691 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11692 changedRuntimePermissionUserIds, userId); 11693 } 11694 } else if (mPermissionReviewRequired 11695 && !appSupportsRuntimePermissions) { 11696 // For legacy apps that need a permission review, every new 11697 // runtime permission is granted but it is pending a review. 11698 // We also need to review only platform defined runtime 11699 // permissions as these are the only ones the platform knows 11700 // how to disable the API to simulate revocation as legacy 11701 // apps don't expect to run with revoked permissions. 11702 if (PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage)) { 11703 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 11704 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 11705 // We changed the flags, hence have to write. 11706 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11707 changedRuntimePermissionUserIds, userId); 11708 } 11709 } 11710 if (permissionsState.grantRuntimePermission(bp, userId) 11711 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 11712 // We changed the permission, hence have to write. 11713 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11714 changedRuntimePermissionUserIds, userId); 11715 } 11716 } 11717 // Propagate the permission flags. 11718 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 11719 } 11720 } break; 11721 11722 case GRANT_UPGRADE: { 11723 // Grant runtime permissions for a previously held install permission. 11724 PermissionState permissionState = origPermissions 11725 .getInstallPermissionState(bp.name); 11726 final int flags = permissionState != null ? permissionState.getFlags() : 0; 11727 11728 if (origPermissions.revokeInstallPermission(bp) 11729 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 11730 // We will be transferring the permission flags, so clear them. 11731 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 11732 PackageManager.MASK_PERMISSION_FLAGS, 0); 11733 changedInstallPermission = true; 11734 } 11735 11736 // If the permission is not to be promoted to runtime we ignore it and 11737 // also its other flags as they are not applicable to install permissions. 11738 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 11739 for (int userId : currentUserIds) { 11740 if (permissionsState.grantRuntimePermission(bp, userId) != 11741 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11742 // Transfer the permission flags. 11743 permissionsState.updatePermissionFlags(bp, userId, 11744 flags, flags); 11745 // If we granted the permission, we have to write. 11746 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 11747 changedRuntimePermissionUserIds, userId); 11748 } 11749 } 11750 } 11751 } break; 11752 11753 default: { 11754 if (packageOfInterest == null 11755 || packageOfInterest.equals(pkg.packageName)) { 11756 Slog.w(TAG, "Not granting permission " + perm 11757 + " to package " + pkg.packageName 11758 + " because it was previously installed without"); 11759 } 11760 } break; 11761 } 11762 } else { 11763 if (permissionsState.revokeInstallPermission(bp) != 11764 PermissionsState.PERMISSION_OPERATION_FAILURE) { 11765 // Also drop the permission flags. 11766 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 11767 PackageManager.MASK_PERMISSION_FLAGS, 0); 11768 changedInstallPermission = true; 11769 Slog.i(TAG, "Un-granting permission " + perm 11770 + " from package " + pkg.packageName 11771 + " (protectionLevel=" + bp.protectionLevel 11772 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 11773 + ")"); 11774 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 11775 // Don't print warning for app op permissions, since it is fine for them 11776 // not to be granted, there is a UI for the user to decide. 11777 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 11778 Slog.w(TAG, "Not granting permission " + perm 11779 + " to package " + pkg.packageName 11780 + " (protectionLevel=" + bp.protectionLevel 11781 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 11782 + ")"); 11783 } 11784 } 11785 } 11786 } 11787 11788 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 11789 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 11790 // This is the first that we have heard about this package, so the 11791 // permissions we have now selected are fixed until explicitly 11792 // changed. 11793 ps.installPermissionsFixed = true; 11794 } 11795 11796 // Persist the runtime permissions state for users with changes. If permissions 11797 // were revoked because no app in the shared user declares them we have to 11798 // write synchronously to avoid losing runtime permissions state. 11799 for (int userId : changedRuntimePermissionUserIds) { 11800 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 11801 } 11802 } 11803 11804 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 11805 boolean allowed = false; 11806 final int NP = PackageParser.NEW_PERMISSIONS.length; 11807 for (int ip=0; ip<NP; ip++) { 11808 final PackageParser.NewPermissionInfo npi 11809 = PackageParser.NEW_PERMISSIONS[ip]; 11810 if (npi.name.equals(perm) 11811 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 11812 allowed = true; 11813 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 11814 + pkg.packageName); 11815 break; 11816 } 11817 } 11818 return allowed; 11819 } 11820 11821 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 11822 BasePermission bp, PermissionsState origPermissions) { 11823 boolean privilegedPermission = (bp.protectionLevel 11824 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0; 11825 boolean privappPermissionsDisable = 11826 RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_DISABLE; 11827 boolean platformPermission = PLATFORM_PACKAGE_NAME.equals(bp.sourcePackage); 11828 boolean platformPackage = PLATFORM_PACKAGE_NAME.equals(pkg.packageName); 11829 if (!privappPermissionsDisable && privilegedPermission && pkg.isPrivilegedApp() 11830 && !platformPackage && platformPermission) { 11831 ArraySet<String> wlPermissions = SystemConfig.getInstance() 11832 .getPrivAppPermissions(pkg.packageName); 11833 boolean whitelisted = wlPermissions != null && wlPermissions.contains(perm); 11834 if (!whitelisted) { 11835 Slog.w(TAG, "Privileged permission " + perm + " for package " 11836 + pkg.packageName + " - not in privapp-permissions whitelist"); 11837 // Only report violations for apps on system image 11838 if (!mSystemReady && !pkg.isUpdatedSystemApp()) { 11839 if (mPrivappPermissionsViolations == null) { 11840 mPrivappPermissionsViolations = new ArraySet<>(); 11841 } 11842 mPrivappPermissionsViolations.add(pkg.packageName + ": " + perm); 11843 } 11844 if (RoSystemProperties.CONTROL_PRIVAPP_PERMISSIONS_ENFORCE) { 11845 return false; 11846 } 11847 } 11848 } 11849 boolean allowed = (compareSignatures( 11850 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 11851 == PackageManager.SIGNATURE_MATCH) 11852 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 11853 == PackageManager.SIGNATURE_MATCH); 11854 if (!allowed && privilegedPermission) { 11855 if (isSystemApp(pkg)) { 11856 // For updated system applications, a system permission 11857 // is granted only if it had been defined by the original application. 11858 if (pkg.isUpdatedSystemApp()) { 11859 final PackageSetting sysPs = mSettings 11860 .getDisabledSystemPkgLPr(pkg.packageName); 11861 if (sysPs != null && sysPs.getPermissionsState().hasInstallPermission(perm)) { 11862 // If the original was granted this permission, we take 11863 // that grant decision as read and propagate it to the 11864 // update. 11865 if (sysPs.isPrivileged()) { 11866 allowed = true; 11867 } 11868 } else { 11869 // The system apk may have been updated with an older 11870 // version of the one on the data partition, but which 11871 // granted a new system permission that it didn't have 11872 // before. In this case we do want to allow the app to 11873 // now get the new permission if the ancestral apk is 11874 // privileged to get it. 11875 if (sysPs != null && sysPs.pkg != null && sysPs.isPrivileged()) { 11876 for (int j = 0; j < sysPs.pkg.requestedPermissions.size(); j++) { 11877 if (perm.equals(sysPs.pkg.requestedPermissions.get(j))) { 11878 allowed = true; 11879 break; 11880 } 11881 } 11882 } 11883 // Also if a privileged parent package on the system image or any of 11884 // its children requested a privileged permission, the updated child 11885 // packages can also get the permission. 11886 if (pkg.parentPackage != null) { 11887 final PackageSetting disabledSysParentPs = mSettings 11888 .getDisabledSystemPkgLPr(pkg.parentPackage.packageName); 11889 if (disabledSysParentPs != null && disabledSysParentPs.pkg != null 11890 && disabledSysParentPs.isPrivileged()) { 11891 if (isPackageRequestingPermission(disabledSysParentPs.pkg, perm)) { 11892 allowed = true; 11893 } else if (disabledSysParentPs.pkg.childPackages != null) { 11894 final int count = disabledSysParentPs.pkg.childPackages.size(); 11895 for (int i = 0; i < count; i++) { 11896 PackageParser.Package disabledSysChildPkg = 11897 disabledSysParentPs.pkg.childPackages.get(i); 11898 if (isPackageRequestingPermission(disabledSysChildPkg, 11899 perm)) { 11900 allowed = true; 11901 break; 11902 } 11903 } 11904 } 11905 } 11906 } 11907 } 11908 } else { 11909 allowed = isPrivilegedApp(pkg); 11910 } 11911 } 11912 } 11913 if (!allowed) { 11914 if (!allowed && (bp.protectionLevel 11915 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 11916 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 11917 // If this was a previously normal/dangerous permission that got moved 11918 // to a system permission as part of the runtime permission redesign, then 11919 // we still want to blindly grant it to old apps. 11920 allowed = true; 11921 } 11922 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 11923 && pkg.packageName.equals(mRequiredInstallerPackage)) { 11924 // If this permission is to be granted to the system installer and 11925 // this app is an installer, then it gets the permission. 11926 allowed = true; 11927 } 11928 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 11929 && pkg.packageName.equals(mRequiredVerifierPackage)) { 11930 // If this permission is to be granted to the system verifier and 11931 // this app is a verifier, then it gets the permission. 11932 allowed = true; 11933 } 11934 if (!allowed && (bp.protectionLevel 11935 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 11936 && isSystemApp(pkg)) { 11937 // Any pre-installed system app is allowed to get this permission. 11938 allowed = true; 11939 } 11940 if (!allowed && (bp.protectionLevel 11941 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 11942 // For development permissions, a development permission 11943 // is granted only if it was already granted. 11944 allowed = origPermissions.hasInstallPermission(perm); 11945 } 11946 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_SETUP) != 0 11947 && pkg.packageName.equals(mSetupWizardPackage)) { 11948 // If this permission is to be granted to the system setup wizard and 11949 // this app is a setup wizard, then it gets the permission. 11950 allowed = true; 11951 } 11952 } 11953 return allowed; 11954 } 11955 11956 private boolean isPackageRequestingPermission(PackageParser.Package pkg, String permission) { 11957 final int permCount = pkg.requestedPermissions.size(); 11958 for (int j = 0; j < permCount; j++) { 11959 String requestedPermission = pkg.requestedPermissions.get(j); 11960 if (permission.equals(requestedPermission)) { 11961 return true; 11962 } 11963 } 11964 return false; 11965 } 11966 11967 final class ActivityIntentResolver 11968 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 11969 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11970 boolean defaultOnly, int userId) { 11971 if (!sUserManager.exists(userId)) return null; 11972 mFlags = (defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0); 11973 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11974 } 11975 11976 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11977 int userId) { 11978 if (!sUserManager.exists(userId)) return null; 11979 mFlags = flags; 11980 return super.queryIntent(intent, resolvedType, 11981 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 11982 userId); 11983 } 11984 11985 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11986 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 11987 if (!sUserManager.exists(userId)) return null; 11988 if (packageActivities == null) { 11989 return null; 11990 } 11991 mFlags = flags; 11992 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11993 final int N = packageActivities.size(); 11994 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 11995 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 11996 11997 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 11998 for (int i = 0; i < N; ++i) { 11999 intentFilters = packageActivities.get(i).intents; 12000 if (intentFilters != null && intentFilters.size() > 0) { 12001 PackageParser.ActivityIntentInfo[] array = 12002 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 12003 intentFilters.toArray(array); 12004 listCut.add(array); 12005 } 12006 } 12007 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 12008 } 12009 12010 /** 12011 * Finds a privileged activity that matches the specified activity names. 12012 */ 12013 private PackageParser.Activity findMatchingActivity( 12014 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 12015 for (PackageParser.Activity sysActivity : activityList) { 12016 if (sysActivity.info.name.equals(activityInfo.name)) { 12017 return sysActivity; 12018 } 12019 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 12020 return sysActivity; 12021 } 12022 if (sysActivity.info.targetActivity != null) { 12023 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 12024 return sysActivity; 12025 } 12026 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 12027 return sysActivity; 12028 } 12029 } 12030 } 12031 return null; 12032 } 12033 12034 public class IterGenerator<E> { 12035 public Iterator<E> generate(ActivityIntentInfo info) { 12036 return null; 12037 } 12038 } 12039 12040 public class ActionIterGenerator extends IterGenerator<String> { 12041 @Override 12042 public Iterator<String> generate(ActivityIntentInfo info) { 12043 return info.actionsIterator(); 12044 } 12045 } 12046 12047 public class CategoriesIterGenerator extends IterGenerator<String> { 12048 @Override 12049 public Iterator<String> generate(ActivityIntentInfo info) { 12050 return info.categoriesIterator(); 12051 } 12052 } 12053 12054 public class SchemesIterGenerator extends IterGenerator<String> { 12055 @Override 12056 public Iterator<String> generate(ActivityIntentInfo info) { 12057 return info.schemesIterator(); 12058 } 12059 } 12060 12061 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 12062 @Override 12063 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 12064 return info.authoritiesIterator(); 12065 } 12066 } 12067 12068 /** 12069 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 12070 * MODIFIED. Do not pass in a list that should not be changed. 12071 */ 12072 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 12073 IterGenerator<T> generator, Iterator<T> searchIterator) { 12074 // loop through the set of actions; every one must be found in the intent filter 12075 while (searchIterator.hasNext()) { 12076 // we must have at least one filter in the list to consider a match 12077 if (intentList.size() == 0) { 12078 break; 12079 } 12080 12081 final T searchAction = searchIterator.next(); 12082 12083 // loop through the set of intent filters 12084 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 12085 while (intentIter.hasNext()) { 12086 final ActivityIntentInfo intentInfo = intentIter.next(); 12087 boolean selectionFound = false; 12088 12089 // loop through the intent filter's selection criteria; at least one 12090 // of them must match the searched criteria 12091 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 12092 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 12093 final T intentSelection = intentSelectionIter.next(); 12094 if (intentSelection != null && intentSelection.equals(searchAction)) { 12095 selectionFound = true; 12096 break; 12097 } 12098 } 12099 12100 // the selection criteria wasn't found in this filter's set; this filter 12101 // is not a potential match 12102 if (!selectionFound) { 12103 intentIter.remove(); 12104 } 12105 } 12106 } 12107 } 12108 12109 private boolean isProtectedAction(ActivityIntentInfo filter) { 12110 final Iterator<String> actionsIter = filter.actionsIterator(); 12111 while (actionsIter != null && actionsIter.hasNext()) { 12112 final String filterAction = actionsIter.next(); 12113 if (PROTECTED_ACTIONS.contains(filterAction)) { 12114 return true; 12115 } 12116 } 12117 return false; 12118 } 12119 12120 /** 12121 * Adjusts the priority of the given intent filter according to policy. 12122 * <p> 12123 * <ul> 12124 * <li>The priority for non privileged applications is capped to '0'</li> 12125 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 12126 * <li>The priority for unbundled updates to privileged applications is capped to the 12127 * priority defined on the system partition</li> 12128 * </ul> 12129 * <p> 12130 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 12131 * allowed to obtain any priority on any action. 12132 */ 12133 private void adjustPriority( 12134 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 12135 // nothing to do; priority is fine as-is 12136 if (intent.getPriority() <= 0) { 12137 return; 12138 } 12139 12140 final ActivityInfo activityInfo = intent.activity.info; 12141 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 12142 12143 final boolean privilegedApp = 12144 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 12145 if (!privilegedApp) { 12146 // non-privileged applications can never define a priority >0 12147 Slog.w(TAG, "Non-privileged app; cap priority to 0;" 12148 + " package: " + applicationInfo.packageName 12149 + " activity: " + intent.activity.className 12150 + " origPrio: " + intent.getPriority()); 12151 intent.setPriority(0); 12152 return; 12153 } 12154 12155 if (systemActivities == null) { 12156 // the system package is not disabled; we're parsing the system partition 12157 if (isProtectedAction(intent)) { 12158 if (mDeferProtectedFilters) { 12159 // We can't deal with these just yet. No component should ever obtain a 12160 // >0 priority for a protected actions, with ONE exception -- the setup 12161 // wizard. The setup wizard, however, cannot be known until we're able to 12162 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 12163 // until all intent filters have been processed. Chicken, meet egg. 12164 // Let the filter temporarily have a high priority and rectify the 12165 // priorities after all system packages have been scanned. 12166 mProtectedFilters.add(intent); 12167 if (DEBUG_FILTERS) { 12168 Slog.i(TAG, "Protected action; save for later;" 12169 + " package: " + applicationInfo.packageName 12170 + " activity: " + intent.activity.className 12171 + " origPrio: " + intent.getPriority()); 12172 } 12173 return; 12174 } else { 12175 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 12176 Slog.i(TAG, "No setup wizard;" 12177 + " All protected intents capped to priority 0"); 12178 } 12179 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 12180 if (DEBUG_FILTERS) { 12181 Slog.i(TAG, "Found setup wizard;" 12182 + " allow priority " + intent.getPriority() + ";" 12183 + " package: " + intent.activity.info.packageName 12184 + " activity: " + intent.activity.className 12185 + " priority: " + intent.getPriority()); 12186 } 12187 // setup wizard gets whatever it wants 12188 return; 12189 } 12190 Slog.w(TAG, "Protected action; cap priority to 0;" 12191 + " package: " + intent.activity.info.packageName 12192 + " activity: " + intent.activity.className 12193 + " origPrio: " + intent.getPriority()); 12194 intent.setPriority(0); 12195 return; 12196 } 12197 } 12198 // privileged apps on the system image get whatever priority they request 12199 return; 12200 } 12201 12202 // privileged app unbundled update ... try to find the same activity 12203 final PackageParser.Activity foundActivity = 12204 findMatchingActivity(systemActivities, activityInfo); 12205 if (foundActivity == null) { 12206 // this is a new activity; it cannot obtain >0 priority 12207 if (DEBUG_FILTERS) { 12208 Slog.i(TAG, "New activity; cap priority to 0;" 12209 + " package: " + applicationInfo.packageName 12210 + " activity: " + intent.activity.className 12211 + " origPrio: " + intent.getPriority()); 12212 } 12213 intent.setPriority(0); 12214 return; 12215 } 12216 12217 // found activity, now check for filter equivalence 12218 12219 // a shallow copy is enough; we modify the list, not its contents 12220 final List<ActivityIntentInfo> intentListCopy = 12221 new ArrayList<>(foundActivity.intents); 12222 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 12223 12224 // find matching action subsets 12225 final Iterator<String> actionsIterator = intent.actionsIterator(); 12226 if (actionsIterator != null) { 12227 getIntentListSubset( 12228 intentListCopy, new ActionIterGenerator(), actionsIterator); 12229 if (intentListCopy.size() == 0) { 12230 // no more intents to match; we're not equivalent 12231 if (DEBUG_FILTERS) { 12232 Slog.i(TAG, "Mismatched action; cap priority to 0;" 12233 + " package: " + applicationInfo.packageName 12234 + " activity: " + intent.activity.className 12235 + " origPrio: " + intent.getPriority()); 12236 } 12237 intent.setPriority(0); 12238 return; 12239 } 12240 } 12241 12242 // find matching category subsets 12243 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 12244 if (categoriesIterator != null) { 12245 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 12246 categoriesIterator); 12247 if (intentListCopy.size() == 0) { 12248 // no more intents to match; we're not equivalent 12249 if (DEBUG_FILTERS) { 12250 Slog.i(TAG, "Mismatched category; cap priority to 0;" 12251 + " package: " + applicationInfo.packageName 12252 + " activity: " + intent.activity.className 12253 + " origPrio: " + intent.getPriority()); 12254 } 12255 intent.setPriority(0); 12256 return; 12257 } 12258 } 12259 12260 // find matching schemes subsets 12261 final Iterator<String> schemesIterator = intent.schemesIterator(); 12262 if (schemesIterator != null) { 12263 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 12264 schemesIterator); 12265 if (intentListCopy.size() == 0) { 12266 // no more intents to match; we're not equivalent 12267 if (DEBUG_FILTERS) { 12268 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 12269 + " package: " + applicationInfo.packageName 12270 + " activity: " + intent.activity.className 12271 + " origPrio: " + intent.getPriority()); 12272 } 12273 intent.setPriority(0); 12274 return; 12275 } 12276 } 12277 12278 // find matching authorities subsets 12279 final Iterator<IntentFilter.AuthorityEntry> 12280 authoritiesIterator = intent.authoritiesIterator(); 12281 if (authoritiesIterator != null) { 12282 getIntentListSubset(intentListCopy, 12283 new AuthoritiesIterGenerator(), 12284 authoritiesIterator); 12285 if (intentListCopy.size() == 0) { 12286 // no more intents to match; we're not equivalent 12287 if (DEBUG_FILTERS) { 12288 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 12289 + " package: " + applicationInfo.packageName 12290 + " activity: " + intent.activity.className 12291 + " origPrio: " + intent.getPriority()); 12292 } 12293 intent.setPriority(0); 12294 return; 12295 } 12296 } 12297 12298 // we found matching filter(s); app gets the max priority of all intents 12299 int cappedPriority = 0; 12300 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 12301 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 12302 } 12303 if (intent.getPriority() > cappedPriority) { 12304 if (DEBUG_FILTERS) { 12305 Slog.i(TAG, "Found matching filter(s);" 12306 + " cap priority to " + cappedPriority + ";" 12307 + " package: " + applicationInfo.packageName 12308 + " activity: " + intent.activity.className 12309 + " origPrio: " + intent.getPriority()); 12310 } 12311 intent.setPriority(cappedPriority); 12312 return; 12313 } 12314 // all this for nothing; the requested priority was <= what was on the system 12315 } 12316 12317 public final void addActivity(PackageParser.Activity a, String type) { 12318 mActivities.put(a.getComponentName(), a); 12319 if (DEBUG_SHOW_INFO) 12320 Log.v( 12321 TAG, " " + type + " " + 12322 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 12323 if (DEBUG_SHOW_INFO) 12324 Log.v(TAG, " Class=" + a.info.name); 12325 final int NI = a.intents.size(); 12326 for (int j=0; j<NI; j++) { 12327 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 12328 if ("activity".equals(type)) { 12329 final PackageSetting ps = 12330 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 12331 final List<PackageParser.Activity> systemActivities = 12332 ps != null && ps.pkg != null ? ps.pkg.activities : null; 12333 adjustPriority(systemActivities, intent); 12334 } 12335 if (DEBUG_SHOW_INFO) { 12336 Log.v(TAG, " IntentFilter:"); 12337 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12338 } 12339 if (!intent.debugCheck()) { 12340 Log.w(TAG, "==> For Activity " + a.info.name); 12341 } 12342 addFilter(intent); 12343 } 12344 } 12345 12346 public final void removeActivity(PackageParser.Activity a, String type) { 12347 mActivities.remove(a.getComponentName()); 12348 if (DEBUG_SHOW_INFO) { 12349 Log.v(TAG, " " + type + " " 12350 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 12351 : a.info.name) + ":"); 12352 Log.v(TAG, " Class=" + a.info.name); 12353 } 12354 final int NI = a.intents.size(); 12355 for (int j=0; j<NI; j++) { 12356 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 12357 if (DEBUG_SHOW_INFO) { 12358 Log.v(TAG, " IntentFilter:"); 12359 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12360 } 12361 removeFilter(intent); 12362 } 12363 } 12364 12365 @Override 12366 protected boolean allowFilterResult( 12367 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 12368 ActivityInfo filterAi = filter.activity.info; 12369 for (int i=dest.size()-1; i>=0; i--) { 12370 ActivityInfo destAi = dest.get(i).activityInfo; 12371 if (destAi.name == filterAi.name 12372 && destAi.packageName == filterAi.packageName) { 12373 return false; 12374 } 12375 } 12376 return true; 12377 } 12378 12379 @Override 12380 protected ActivityIntentInfo[] newArray(int size) { 12381 return new ActivityIntentInfo[size]; 12382 } 12383 12384 @Override 12385 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 12386 if (!sUserManager.exists(userId)) return true; 12387 PackageParser.Package p = filter.activity.owner; 12388 if (p != null) { 12389 PackageSetting ps = (PackageSetting)p.mExtras; 12390 if (ps != null) { 12391 // System apps are never considered stopped for purposes of 12392 // filtering, because there may be no way for the user to 12393 // actually re-launch them. 12394 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 12395 && ps.getStopped(userId); 12396 } 12397 } 12398 return false; 12399 } 12400 12401 @Override 12402 protected boolean isPackageForFilter(String packageName, 12403 PackageParser.ActivityIntentInfo info) { 12404 return packageName.equals(info.activity.owner.packageName); 12405 } 12406 12407 @Override 12408 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 12409 int match, int userId) { 12410 if (!sUserManager.exists(userId)) return null; 12411 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 12412 return null; 12413 } 12414 final PackageParser.Activity activity = info.activity; 12415 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 12416 if (ps == null) { 12417 return null; 12418 } 12419 final PackageUserState userState = ps.readUserState(userId); 12420 ActivityInfo ai = generateActivityInfo(activity, mFlags, userState, userId); 12421 if (ai == null) { 12422 return null; 12423 } 12424 final boolean matchVisibleToInstantApp = 12425 (mFlags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 12426 final boolean isInstantApp = (mFlags & PackageManager.MATCH_INSTANT) != 0; 12427 // throw out filters that aren't visible to ephemeral apps 12428 if (matchVisibleToInstantApp 12429 && !(info.isVisibleToInstantApp() || userState.instantApp)) { 12430 return null; 12431 } 12432 // throw out ephemeral filters if we're not explicitly requesting them 12433 if (!isInstantApp && userState.instantApp) { 12434 return null; 12435 } 12436 // throw out instant app filters if updates are available; will trigger 12437 // instant app resolution 12438 if (userState.instantApp && ps.isUpdateAvailable()) { 12439 return null; 12440 } 12441 final ResolveInfo res = new ResolveInfo(); 12442 res.activityInfo = ai; 12443 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 12444 res.filter = info; 12445 } 12446 if (info != null) { 12447 res.handleAllWebDataURI = info.handleAllWebDataURI(); 12448 } 12449 res.priority = info.getPriority(); 12450 res.preferredOrder = activity.owner.mPreferredOrder; 12451 //System.out.println("Result: " + res.activityInfo.className + 12452 // " = " + res.priority); 12453 res.match = match; 12454 res.isDefault = info.hasDefault; 12455 res.labelRes = info.labelRes; 12456 res.nonLocalizedLabel = info.nonLocalizedLabel; 12457 if (userNeedsBadging(userId)) { 12458 res.noResourceId = true; 12459 } else { 12460 res.icon = info.icon; 12461 } 12462 res.iconResourceId = info.icon; 12463 res.system = res.activityInfo.applicationInfo.isSystemApp(); 12464 res.instantAppAvailable = userState.instantApp; 12465 return res; 12466 } 12467 12468 @Override 12469 protected void sortResults(List<ResolveInfo> results) { 12470 Collections.sort(results, mResolvePrioritySorter); 12471 } 12472 12473 @Override 12474 protected void dumpFilter(PrintWriter out, String prefix, 12475 PackageParser.ActivityIntentInfo filter) { 12476 out.print(prefix); out.print( 12477 Integer.toHexString(System.identityHashCode(filter.activity))); 12478 out.print(' '); 12479 filter.activity.printComponentShortName(out); 12480 out.print(" filter "); 12481 out.println(Integer.toHexString(System.identityHashCode(filter))); 12482 } 12483 12484 @Override 12485 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 12486 return filter.activity; 12487 } 12488 12489 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12490 PackageParser.Activity activity = (PackageParser.Activity)label; 12491 out.print(prefix); out.print( 12492 Integer.toHexString(System.identityHashCode(activity))); 12493 out.print(' '); 12494 activity.printComponentShortName(out); 12495 if (count > 1) { 12496 out.print(" ("); out.print(count); out.print(" filters)"); 12497 } 12498 out.println(); 12499 } 12500 12501 // Keys are String (activity class name), values are Activity. 12502 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 12503 = new ArrayMap<ComponentName, PackageParser.Activity>(); 12504 private int mFlags; 12505 } 12506 12507 private final class ServiceIntentResolver 12508 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 12509 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 12510 boolean defaultOnly, int userId) { 12511 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 12512 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 12513 } 12514 12515 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 12516 int userId) { 12517 if (!sUserManager.exists(userId)) return null; 12518 mFlags = flags; 12519 return super.queryIntent(intent, resolvedType, 12520 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 12521 userId); 12522 } 12523 12524 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 12525 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 12526 if (!sUserManager.exists(userId)) return null; 12527 if (packageServices == null) { 12528 return null; 12529 } 12530 mFlags = flags; 12531 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 12532 final int N = packageServices.size(); 12533 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 12534 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 12535 12536 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 12537 for (int i = 0; i < N; ++i) { 12538 intentFilters = packageServices.get(i).intents; 12539 if (intentFilters != null && intentFilters.size() > 0) { 12540 PackageParser.ServiceIntentInfo[] array = 12541 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 12542 intentFilters.toArray(array); 12543 listCut.add(array); 12544 } 12545 } 12546 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 12547 } 12548 12549 public final void addService(PackageParser.Service s) { 12550 mServices.put(s.getComponentName(), s); 12551 if (DEBUG_SHOW_INFO) { 12552 Log.v(TAG, " " 12553 + (s.info.nonLocalizedLabel != null 12554 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 12555 Log.v(TAG, " Class=" + s.info.name); 12556 } 12557 final int NI = s.intents.size(); 12558 int j; 12559 for (j=0; j<NI; j++) { 12560 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 12561 if (DEBUG_SHOW_INFO) { 12562 Log.v(TAG, " IntentFilter:"); 12563 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12564 } 12565 if (!intent.debugCheck()) { 12566 Log.w(TAG, "==> For Service " + s.info.name); 12567 } 12568 addFilter(intent); 12569 } 12570 } 12571 12572 public final void removeService(PackageParser.Service s) { 12573 mServices.remove(s.getComponentName()); 12574 if (DEBUG_SHOW_INFO) { 12575 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 12576 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 12577 Log.v(TAG, " Class=" + s.info.name); 12578 } 12579 final int NI = s.intents.size(); 12580 int j; 12581 for (j=0; j<NI; j++) { 12582 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 12583 if (DEBUG_SHOW_INFO) { 12584 Log.v(TAG, " IntentFilter:"); 12585 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12586 } 12587 removeFilter(intent); 12588 } 12589 } 12590 12591 @Override 12592 protected boolean allowFilterResult( 12593 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 12594 ServiceInfo filterSi = filter.service.info; 12595 for (int i=dest.size()-1; i>=0; i--) { 12596 ServiceInfo destAi = dest.get(i).serviceInfo; 12597 if (destAi.name == filterSi.name 12598 && destAi.packageName == filterSi.packageName) { 12599 return false; 12600 } 12601 } 12602 return true; 12603 } 12604 12605 @Override 12606 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 12607 return new PackageParser.ServiceIntentInfo[size]; 12608 } 12609 12610 @Override 12611 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 12612 if (!sUserManager.exists(userId)) return true; 12613 PackageParser.Package p = filter.service.owner; 12614 if (p != null) { 12615 PackageSetting ps = (PackageSetting)p.mExtras; 12616 if (ps != null) { 12617 // System apps are never considered stopped for purposes of 12618 // filtering, because there may be no way for the user to 12619 // actually re-launch them. 12620 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 12621 && ps.getStopped(userId); 12622 } 12623 } 12624 return false; 12625 } 12626 12627 @Override 12628 protected boolean isPackageForFilter(String packageName, 12629 PackageParser.ServiceIntentInfo info) { 12630 return packageName.equals(info.service.owner.packageName); 12631 } 12632 12633 @Override 12634 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 12635 int match, int userId) { 12636 if (!sUserManager.exists(userId)) return null; 12637 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 12638 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 12639 return null; 12640 } 12641 final PackageParser.Service service = info.service; 12642 PackageSetting ps = (PackageSetting) service.owner.mExtras; 12643 if (ps == null) { 12644 return null; 12645 } 12646 final PackageUserState userState = ps.readUserState(userId); 12647 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 12648 userState, userId); 12649 if (si == null) { 12650 return null; 12651 } 12652 final boolean matchVisibleToInstantApp = 12653 (mFlags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 12654 final boolean isInstantApp = (mFlags & PackageManager.MATCH_INSTANT) != 0; 12655 // throw out filters that aren't visible to ephemeral apps 12656 if (matchVisibleToInstantApp 12657 && !(info.isVisibleToInstantApp() || userState.instantApp)) { 12658 return null; 12659 } 12660 // throw out ephemeral filters if we're not explicitly requesting them 12661 if (!isInstantApp && userState.instantApp) { 12662 return null; 12663 } 12664 // throw out instant app filters if updates are available; will trigger 12665 // instant app resolution 12666 if (userState.instantApp && ps.isUpdateAvailable()) { 12667 return null; 12668 } 12669 final ResolveInfo res = new ResolveInfo(); 12670 res.serviceInfo = si; 12671 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 12672 res.filter = filter; 12673 } 12674 res.priority = info.getPriority(); 12675 res.preferredOrder = service.owner.mPreferredOrder; 12676 res.match = match; 12677 res.isDefault = info.hasDefault; 12678 res.labelRes = info.labelRes; 12679 res.nonLocalizedLabel = info.nonLocalizedLabel; 12680 res.icon = info.icon; 12681 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 12682 return res; 12683 } 12684 12685 @Override 12686 protected void sortResults(List<ResolveInfo> results) { 12687 Collections.sort(results, mResolvePrioritySorter); 12688 } 12689 12690 @Override 12691 protected void dumpFilter(PrintWriter out, String prefix, 12692 PackageParser.ServiceIntentInfo filter) { 12693 out.print(prefix); out.print( 12694 Integer.toHexString(System.identityHashCode(filter.service))); 12695 out.print(' '); 12696 filter.service.printComponentShortName(out); 12697 out.print(" filter "); 12698 out.println(Integer.toHexString(System.identityHashCode(filter))); 12699 } 12700 12701 @Override 12702 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 12703 return filter.service; 12704 } 12705 12706 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12707 PackageParser.Service service = (PackageParser.Service)label; 12708 out.print(prefix); out.print( 12709 Integer.toHexString(System.identityHashCode(service))); 12710 out.print(' '); 12711 service.printComponentShortName(out); 12712 if (count > 1) { 12713 out.print(" ("); out.print(count); out.print(" filters)"); 12714 } 12715 out.println(); 12716 } 12717 12718// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 12719// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 12720// final List<ResolveInfo> retList = Lists.newArrayList(); 12721// while (i.hasNext()) { 12722// final ResolveInfo resolveInfo = (ResolveInfo) i; 12723// if (isEnabledLP(resolveInfo.serviceInfo)) { 12724// retList.add(resolveInfo); 12725// } 12726// } 12727// return retList; 12728// } 12729 12730 // Keys are String (activity class name), values are Activity. 12731 private final ArrayMap<ComponentName, PackageParser.Service> mServices 12732 = new ArrayMap<ComponentName, PackageParser.Service>(); 12733 private int mFlags; 12734 } 12735 12736 private final class ProviderIntentResolver 12737 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 12738 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 12739 boolean defaultOnly, int userId) { 12740 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 12741 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 12742 } 12743 12744 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 12745 int userId) { 12746 if (!sUserManager.exists(userId)) 12747 return null; 12748 mFlags = flags; 12749 return super.queryIntent(intent, resolvedType, 12750 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 12751 userId); 12752 } 12753 12754 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 12755 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 12756 if (!sUserManager.exists(userId)) 12757 return null; 12758 if (packageProviders == null) { 12759 return null; 12760 } 12761 mFlags = flags; 12762 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 12763 final int N = packageProviders.size(); 12764 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 12765 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 12766 12767 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 12768 for (int i = 0; i < N; ++i) { 12769 intentFilters = packageProviders.get(i).intents; 12770 if (intentFilters != null && intentFilters.size() > 0) { 12771 PackageParser.ProviderIntentInfo[] array = 12772 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 12773 intentFilters.toArray(array); 12774 listCut.add(array); 12775 } 12776 } 12777 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 12778 } 12779 12780 public final void addProvider(PackageParser.Provider p) { 12781 if (mProviders.containsKey(p.getComponentName())) { 12782 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 12783 return; 12784 } 12785 12786 mProviders.put(p.getComponentName(), p); 12787 if (DEBUG_SHOW_INFO) { 12788 Log.v(TAG, " " 12789 + (p.info.nonLocalizedLabel != null 12790 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 12791 Log.v(TAG, " Class=" + p.info.name); 12792 } 12793 final int NI = p.intents.size(); 12794 int j; 12795 for (j = 0; j < NI; j++) { 12796 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 12797 if (DEBUG_SHOW_INFO) { 12798 Log.v(TAG, " IntentFilter:"); 12799 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12800 } 12801 if (!intent.debugCheck()) { 12802 Log.w(TAG, "==> For Provider " + p.info.name); 12803 } 12804 addFilter(intent); 12805 } 12806 } 12807 12808 public final void removeProvider(PackageParser.Provider p) { 12809 mProviders.remove(p.getComponentName()); 12810 if (DEBUG_SHOW_INFO) { 12811 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 12812 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 12813 Log.v(TAG, " Class=" + p.info.name); 12814 } 12815 final int NI = p.intents.size(); 12816 int j; 12817 for (j = 0; j < NI; j++) { 12818 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 12819 if (DEBUG_SHOW_INFO) { 12820 Log.v(TAG, " IntentFilter:"); 12821 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12822 } 12823 removeFilter(intent); 12824 } 12825 } 12826 12827 @Override 12828 protected boolean allowFilterResult( 12829 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 12830 ProviderInfo filterPi = filter.provider.info; 12831 for (int i = dest.size() - 1; i >= 0; i--) { 12832 ProviderInfo destPi = dest.get(i).providerInfo; 12833 if (destPi.name == filterPi.name 12834 && destPi.packageName == filterPi.packageName) { 12835 return false; 12836 } 12837 } 12838 return true; 12839 } 12840 12841 @Override 12842 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 12843 return new PackageParser.ProviderIntentInfo[size]; 12844 } 12845 12846 @Override 12847 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 12848 if (!sUserManager.exists(userId)) 12849 return true; 12850 PackageParser.Package p = filter.provider.owner; 12851 if (p != null) { 12852 PackageSetting ps = (PackageSetting) p.mExtras; 12853 if (ps != null) { 12854 // System apps are never considered stopped for purposes of 12855 // filtering, because there may be no way for the user to 12856 // actually re-launch them. 12857 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 12858 && ps.getStopped(userId); 12859 } 12860 } 12861 return false; 12862 } 12863 12864 @Override 12865 protected boolean isPackageForFilter(String packageName, 12866 PackageParser.ProviderIntentInfo info) { 12867 return packageName.equals(info.provider.owner.packageName); 12868 } 12869 12870 @Override 12871 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 12872 int match, int userId) { 12873 if (!sUserManager.exists(userId)) 12874 return null; 12875 final PackageParser.ProviderIntentInfo info = filter; 12876 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 12877 return null; 12878 } 12879 final PackageParser.Provider provider = info.provider; 12880 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 12881 if (ps == null) { 12882 return null; 12883 } 12884 final PackageUserState userState = ps.readUserState(userId); 12885 final boolean matchVisibleToInstantApp = 12886 (mFlags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 12887 final boolean isInstantApp = (mFlags & PackageManager.MATCH_INSTANT) != 0; 12888 // throw out filters that aren't visible to instant applications 12889 if (matchVisibleToInstantApp 12890 && !(info.isVisibleToInstantApp() || userState.instantApp)) { 12891 return null; 12892 } 12893 // throw out instant application filters if we're not explicitly requesting them 12894 if (!isInstantApp && userState.instantApp) { 12895 return null; 12896 } 12897 // throw out instant application filters if updates are available; will trigger 12898 // instant application resolution 12899 if (userState.instantApp && ps.isUpdateAvailable()) { 12900 return null; 12901 } 12902 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 12903 userState, userId); 12904 if (pi == null) { 12905 return null; 12906 } 12907 final ResolveInfo res = new ResolveInfo(); 12908 res.providerInfo = pi; 12909 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 12910 res.filter = filter; 12911 } 12912 res.priority = info.getPriority(); 12913 res.preferredOrder = provider.owner.mPreferredOrder; 12914 res.match = match; 12915 res.isDefault = info.hasDefault; 12916 res.labelRes = info.labelRes; 12917 res.nonLocalizedLabel = info.nonLocalizedLabel; 12918 res.icon = info.icon; 12919 res.system = res.providerInfo.applicationInfo.isSystemApp(); 12920 return res; 12921 } 12922 12923 @Override 12924 protected void sortResults(List<ResolveInfo> results) { 12925 Collections.sort(results, mResolvePrioritySorter); 12926 } 12927 12928 @Override 12929 protected void dumpFilter(PrintWriter out, String prefix, 12930 PackageParser.ProviderIntentInfo filter) { 12931 out.print(prefix); 12932 out.print( 12933 Integer.toHexString(System.identityHashCode(filter.provider))); 12934 out.print(' '); 12935 filter.provider.printComponentShortName(out); 12936 out.print(" filter "); 12937 out.println(Integer.toHexString(System.identityHashCode(filter))); 12938 } 12939 12940 @Override 12941 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 12942 return filter.provider; 12943 } 12944 12945 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12946 PackageParser.Provider provider = (PackageParser.Provider)label; 12947 out.print(prefix); out.print( 12948 Integer.toHexString(System.identityHashCode(provider))); 12949 out.print(' '); 12950 provider.printComponentShortName(out); 12951 if (count > 1) { 12952 out.print(" ("); out.print(count); out.print(" filters)"); 12953 } 12954 out.println(); 12955 } 12956 12957 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 12958 = new ArrayMap<ComponentName, PackageParser.Provider>(); 12959 private int mFlags; 12960 } 12961 12962 static final class EphemeralIntentResolver 12963 extends IntentResolver<AuxiliaryResolveInfo, AuxiliaryResolveInfo> { 12964 /** 12965 * The result that has the highest defined order. Ordering applies on a 12966 * per-package basis. Mapping is from package name to Pair of order and 12967 * EphemeralResolveInfo. 12968 * <p> 12969 * NOTE: This is implemented as a field variable for convenience and efficiency. 12970 * By having a field variable, we're able to track filter ordering as soon as 12971 * a non-zero order is defined. Otherwise, multiple loops across the result set 12972 * would be needed to apply ordering. If the intent resolver becomes re-entrant, 12973 * this needs to be contained entirely within {@link #filterResults}. 12974 */ 12975 final ArrayMap<String, Pair<Integer, InstantAppResolveInfo>> mOrderResult = new ArrayMap<>(); 12976 12977 @Override 12978 protected AuxiliaryResolveInfo[] newArray(int size) { 12979 return new AuxiliaryResolveInfo[size]; 12980 } 12981 12982 @Override 12983 protected boolean isPackageForFilter(String packageName, AuxiliaryResolveInfo responseObj) { 12984 return true; 12985 } 12986 12987 @Override 12988 protected AuxiliaryResolveInfo newResult(AuxiliaryResolveInfo responseObj, int match, 12989 int userId) { 12990 if (!sUserManager.exists(userId)) { 12991 return null; 12992 } 12993 final String packageName = responseObj.resolveInfo.getPackageName(); 12994 final Integer order = responseObj.getOrder(); 12995 final Pair<Integer, InstantAppResolveInfo> lastOrderResult = 12996 mOrderResult.get(packageName); 12997 // ordering is enabled and this item's order isn't high enough 12998 if (lastOrderResult != null && lastOrderResult.first >= order) { 12999 return null; 13000 } 13001 final InstantAppResolveInfo res = responseObj.resolveInfo; 13002 if (order > 0) { 13003 // non-zero order, enable ordering 13004 mOrderResult.put(packageName, new Pair<>(order, res)); 13005 } 13006 return responseObj; 13007 } 13008 13009 @Override 13010 protected void filterResults(List<AuxiliaryResolveInfo> results) { 13011 // only do work if ordering is enabled [most of the time it won't be] 13012 if (mOrderResult.size() == 0) { 13013 return; 13014 } 13015 int resultSize = results.size(); 13016 for (int i = 0; i < resultSize; i++) { 13017 final InstantAppResolveInfo info = results.get(i).resolveInfo; 13018 final String packageName = info.getPackageName(); 13019 final Pair<Integer, InstantAppResolveInfo> savedInfo = mOrderResult.get(packageName); 13020 if (savedInfo == null) { 13021 // package doesn't having ordering 13022 continue; 13023 } 13024 if (savedInfo.second == info) { 13025 // circled back to the highest ordered item; remove from order list 13026 mOrderResult.remove(savedInfo); 13027 if (mOrderResult.size() == 0) { 13028 // no more ordered items 13029 break; 13030 } 13031 continue; 13032 } 13033 // item has a worse order, remove it from the result list 13034 results.remove(i); 13035 resultSize--; 13036 i--; 13037 } 13038 } 13039 } 13040 13041 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 13042 new Comparator<ResolveInfo>() { 13043 public int compare(ResolveInfo r1, ResolveInfo r2) { 13044 int v1 = r1.priority; 13045 int v2 = r2.priority; 13046 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 13047 if (v1 != v2) { 13048 return (v1 > v2) ? -1 : 1; 13049 } 13050 v1 = r1.preferredOrder; 13051 v2 = r2.preferredOrder; 13052 if (v1 != v2) { 13053 return (v1 > v2) ? -1 : 1; 13054 } 13055 if (r1.isDefault != r2.isDefault) { 13056 return r1.isDefault ? -1 : 1; 13057 } 13058 v1 = r1.match; 13059 v2 = r2.match; 13060 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 13061 if (v1 != v2) { 13062 return (v1 > v2) ? -1 : 1; 13063 } 13064 if (r1.system != r2.system) { 13065 return r1.system ? -1 : 1; 13066 } 13067 if (r1.activityInfo != null) { 13068 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 13069 } 13070 if (r1.serviceInfo != null) { 13071 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 13072 } 13073 if (r1.providerInfo != null) { 13074 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 13075 } 13076 return 0; 13077 } 13078 }; 13079 13080 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 13081 new Comparator<ProviderInfo>() { 13082 public int compare(ProviderInfo p1, ProviderInfo p2) { 13083 final int v1 = p1.initOrder; 13084 final int v2 = p2.initOrder; 13085 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 13086 } 13087 }; 13088 13089 public void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 13090 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 13091 final int[] userIds) { 13092 mHandler.post(new Runnable() { 13093 @Override 13094 public void run() { 13095 try { 13096 final IActivityManager am = ActivityManager.getService(); 13097 if (am == null) return; 13098 final int[] resolvedUserIds; 13099 if (userIds == null) { 13100 resolvedUserIds = am.getRunningUserIds(); 13101 } else { 13102 resolvedUserIds = userIds; 13103 } 13104 for (int id : resolvedUserIds) { 13105 final Intent intent = new Intent(action, 13106 pkg != null ? Uri.fromParts(PACKAGE_SCHEME, pkg, null) : null); 13107 if (extras != null) { 13108 intent.putExtras(extras); 13109 } 13110 if (targetPkg != null) { 13111 intent.setPackage(targetPkg); 13112 } 13113 // Modify the UID when posting to other users 13114 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 13115 if (uid > 0 && UserHandle.getUserId(uid) != id) { 13116 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 13117 intent.putExtra(Intent.EXTRA_UID, uid); 13118 } 13119 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 13120 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 13121 if (DEBUG_BROADCASTS) { 13122 RuntimeException here = new RuntimeException("here"); 13123 here.fillInStackTrace(); 13124 Slog.d(TAG, "Sending to user " + id + ": " 13125 + intent.toShortString(false, true, false, false) 13126 + " " + intent.getExtras(), here); 13127 } 13128 am.broadcastIntent(null, intent, null, finishedReceiver, 13129 0, null, null, null, android.app.AppOpsManager.OP_NONE, 13130 null, finishedReceiver != null, false, id); 13131 } 13132 } catch (RemoteException ex) { 13133 } 13134 } 13135 }); 13136 } 13137 13138 /** 13139 * Check if the external storage media is available. This is true if there 13140 * is a mounted external storage medium or if the external storage is 13141 * emulated. 13142 */ 13143 private boolean isExternalMediaAvailable() { 13144 return mMediaMounted || Environment.isExternalStorageEmulated(); 13145 } 13146 13147 @Override 13148 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 13149 // writer 13150 synchronized (mPackages) { 13151 if (!isExternalMediaAvailable()) { 13152 // If the external storage is no longer mounted at this point, 13153 // the caller may not have been able to delete all of this 13154 // packages files and can not delete any more. Bail. 13155 return null; 13156 } 13157 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 13158 if (lastPackage != null) { 13159 pkgs.remove(lastPackage); 13160 } 13161 if (pkgs.size() > 0) { 13162 return pkgs.get(0); 13163 } 13164 } 13165 return null; 13166 } 13167 13168 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 13169 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 13170 userId, andCode ? 1 : 0, packageName); 13171 if (mSystemReady) { 13172 msg.sendToTarget(); 13173 } else { 13174 if (mPostSystemReadyMessages == null) { 13175 mPostSystemReadyMessages = new ArrayList<>(); 13176 } 13177 mPostSystemReadyMessages.add(msg); 13178 } 13179 } 13180 13181 void startCleaningPackages() { 13182 // reader 13183 if (!isExternalMediaAvailable()) { 13184 return; 13185 } 13186 synchronized (mPackages) { 13187 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 13188 return; 13189 } 13190 } 13191 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 13192 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 13193 IActivityManager am = ActivityManager.getService(); 13194 if (am != null) { 13195 int dcsUid = -1; 13196 synchronized (mPackages) { 13197 if (!mDefaultContainerWhitelisted) { 13198 mDefaultContainerWhitelisted = true; 13199 PackageSetting ps = mSettings.mPackages.get(DEFAULT_CONTAINER_PACKAGE); 13200 dcsUid = UserHandle.getUid(UserHandle.USER_SYSTEM, ps.appId); 13201 } 13202 } 13203 try { 13204 if (dcsUid > 0) { 13205 am.backgroundWhitelistUid(dcsUid); 13206 } 13207 am.startService(null, intent, null, false, mContext.getOpPackageName(), 13208 UserHandle.USER_SYSTEM); 13209 } catch (RemoteException e) { 13210 } 13211 } 13212 } 13213 13214 @Override 13215 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 13216 int installFlags, String installerPackageName, int userId) { 13217 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 13218 13219 final int callingUid = Binder.getCallingUid(); 13220 enforceCrossUserPermission(callingUid, userId, 13221 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 13222 13223 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 13224 try { 13225 if (observer != null) { 13226 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 13227 } 13228 } catch (RemoteException re) { 13229 } 13230 return; 13231 } 13232 13233 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 13234 installFlags |= PackageManager.INSTALL_FROM_ADB; 13235 13236 } else { 13237 // Caller holds INSTALL_PACKAGES permission, so we're less strict 13238 // about installerPackageName. 13239 13240 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 13241 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 13242 } 13243 13244 UserHandle user; 13245 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 13246 user = UserHandle.ALL; 13247 } else { 13248 user = new UserHandle(userId); 13249 } 13250 13251 // Only system components can circumvent runtime permissions when installing. 13252 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 13253 && mContext.checkCallingOrSelfPermission(Manifest.permission 13254 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 13255 throw new SecurityException("You need the " 13256 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 13257 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 13258 } 13259 13260 if ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0 13261 || (installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 13262 throw new IllegalArgumentException( 13263 "New installs into ASEC containers no longer supported"); 13264 } 13265 13266 final File originFile = new File(originPath); 13267 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 13268 13269 final Message msg = mHandler.obtainMessage(INIT_COPY); 13270 final VerificationInfo verificationInfo = new VerificationInfo( 13271 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 13272 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 13273 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 13274 null /*packageAbiOverride*/, null /*grantedPermissions*/, 13275 null /*certificates*/, PackageManager.INSTALL_REASON_UNKNOWN); 13276 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 13277 msg.obj = params; 13278 13279 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 13280 System.identityHashCode(msg.obj)); 13281 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 13282 System.identityHashCode(msg.obj)); 13283 13284 mHandler.sendMessage(msg); 13285 } 13286 13287 13288 /** 13289 * Ensure that the install reason matches what we know about the package installer (e.g. whether 13290 * it is acting on behalf on an enterprise or the user). 13291 * 13292 * Note that the ordering of the conditionals in this method is important. The checks we perform 13293 * are as follows, in this order: 13294 * 13295 * 1) If the install is being performed by a system app, we can trust the app to have set the 13296 * install reason correctly. Thus, we pass through the install reason unchanged, no matter 13297 * what it is. 13298 * 2) If the install is being performed by a device or profile owner app, the install reason 13299 * should be enterprise policy. However, we cannot be sure that the device or profile owner 13300 * set the install reason correctly. If the app targets an older SDK version where install 13301 * reasons did not exist yet, or if the app author simply forgot, the install reason may be 13302 * unset or wrong. Thus, we force the install reason to be enterprise policy. 13303 * 3) In all other cases, the install is being performed by a regular app that is neither part 13304 * of the system nor a device or profile owner. We have no reason to believe that this app is 13305 * acting on behalf of the enterprise admin. Thus, we check whether the install reason was 13306 * set to enterprise policy and if so, change it to unknown instead. 13307 */ 13308 private int fixUpInstallReason(String installerPackageName, int installerUid, 13309 int installReason) { 13310 if (checkUidPermission(android.Manifest.permission.INSTALL_PACKAGES, installerUid) 13311 == PERMISSION_GRANTED) { 13312 // If the install is being performed by a system app, we trust that app to have set the 13313 // install reason correctly. 13314 return installReason; 13315 } 13316 13317 final IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 13318 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 13319 if (dpm != null) { 13320 ComponentName owner = null; 13321 try { 13322 owner = dpm.getDeviceOwnerComponent(true /* callingUserOnly */); 13323 if (owner == null) { 13324 owner = dpm.getProfileOwner(UserHandle.getUserId(installerUid)); 13325 } 13326 } catch (RemoteException e) { 13327 } 13328 if (owner != null && owner.getPackageName().equals(installerPackageName)) { 13329 // If the install is being performed by a device or profile owner, the install 13330 // reason should be enterprise policy. 13331 return PackageManager.INSTALL_REASON_POLICY; 13332 } 13333 } 13334 13335 if (installReason == PackageManager.INSTALL_REASON_POLICY) { 13336 // If the install is being performed by a regular app (i.e. neither system app nor 13337 // device or profile owner), we have no reason to believe that the app is acting on 13338 // behalf of an enterprise. If the app set the install reason to enterprise policy, 13339 // change it to unknown instead. 13340 return PackageManager.INSTALL_REASON_UNKNOWN; 13341 } 13342 13343 // If the install is being performed by a regular app and the install reason was set to any 13344 // value but enterprise policy, leave the install reason unchanged. 13345 return installReason; 13346 } 13347 13348 void installStage(String packageName, File stagedDir, String stagedCid, 13349 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 13350 String installerPackageName, int installerUid, UserHandle user, 13351 Certificate[][] certificates) { 13352 if (DEBUG_EPHEMERAL) { 13353 if ((sessionParams.installFlags & PackageManager.INSTALL_INSTANT_APP) != 0) { 13354 Slog.d(TAG, "Ephemeral install of " + packageName); 13355 } 13356 } 13357 final VerificationInfo verificationInfo = new VerificationInfo( 13358 sessionParams.originatingUri, sessionParams.referrerUri, 13359 sessionParams.originatingUid, installerUid); 13360 13361 final OriginInfo origin; 13362 if (stagedDir != null) { 13363 origin = OriginInfo.fromStagedFile(stagedDir); 13364 } else { 13365 origin = OriginInfo.fromStagedContainer(stagedCid); 13366 } 13367 13368 final Message msg = mHandler.obtainMessage(INIT_COPY); 13369 final int installReason = fixUpInstallReason(installerPackageName, installerUid, 13370 sessionParams.installReason); 13371 final InstallParams params = new InstallParams(origin, null, observer, 13372 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 13373 verificationInfo, user, sessionParams.abiOverride, 13374 sessionParams.grantedRuntimePermissions, certificates, installReason); 13375 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 13376 msg.obj = params; 13377 13378 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 13379 System.identityHashCode(msg.obj)); 13380 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 13381 System.identityHashCode(msg.obj)); 13382 13383 mHandler.sendMessage(msg); 13384 } 13385 13386 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 13387 int userId) { 13388 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 13389 sendPackageAddedForNewUsers(packageName, isSystem, pkgSetting.appId, userId); 13390 } 13391 13392 public void sendPackageAddedForNewUsers(String packageName, boolean isSystem, int appId, int... userIds) { 13393 if (ArrayUtils.isEmpty(userIds)) { 13394 return; 13395 } 13396 Bundle extras = new Bundle(1); 13397 // Set to UID of the first user, EXTRA_UID is automatically updated in sendPackageBroadcast 13398 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userIds[0], appId)); 13399 13400 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_ADDED, packageName, 13401 extras, Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND, null, null, userIds); 13402 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 13403 extras, 0, null, null, userIds); 13404 if (isSystem) { 13405 mHandler.post(() -> { 13406 for (int userId : userIds) { 13407 sendBootCompletedBroadcastToSystemApp(packageName, userId); 13408 } 13409 } 13410 ); 13411 } 13412 } 13413 13414 /** 13415 * The just-installed/enabled app is bundled on the system, so presumed to be able to run 13416 * automatically without needing an explicit launch. 13417 * Send it a LOCKED_BOOT_COMPLETED/BOOT_COMPLETED if it would ordinarily have gotten ones. 13418 */ 13419 private void sendBootCompletedBroadcastToSystemApp(String packageName, int userId) { 13420 // If user is not running, the app didn't miss any broadcast 13421 if (!mUserManagerInternal.isUserRunning(userId)) { 13422 return; 13423 } 13424 final IActivityManager am = ActivityManager.getService(); 13425 try { 13426 // Deliver LOCKED_BOOT_COMPLETED first 13427 Intent lockedBcIntent = new Intent(Intent.ACTION_LOCKED_BOOT_COMPLETED) 13428 .setPackage(packageName); 13429 final String[] requiredPermissions = {Manifest.permission.RECEIVE_BOOT_COMPLETED}; 13430 am.broadcastIntent(null, lockedBcIntent, null, null, 0, null, null, requiredPermissions, 13431 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 13432 13433 // Deliver BOOT_COMPLETED only if user is unlocked 13434 if (mUserManagerInternal.isUserUnlockingOrUnlocked(userId)) { 13435 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED).setPackage(packageName); 13436 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, requiredPermissions, 13437 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 13438 } 13439 } catch (RemoteException e) { 13440 throw e.rethrowFromSystemServer(); 13441 } 13442 } 13443 13444 @Override 13445 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 13446 int userId) { 13447 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13448 PackageSetting pkgSetting; 13449 final int uid = Binder.getCallingUid(); 13450 enforceCrossUserPermission(uid, userId, 13451 true /* requireFullPermission */, true /* checkShell */, 13452 "setApplicationHiddenSetting for user " + userId); 13453 13454 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 13455 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 13456 return false; 13457 } 13458 13459 long callingId = Binder.clearCallingIdentity(); 13460 try { 13461 boolean sendAdded = false; 13462 boolean sendRemoved = false; 13463 // writer 13464 synchronized (mPackages) { 13465 pkgSetting = mSettings.mPackages.get(packageName); 13466 if (pkgSetting == null) { 13467 return false; 13468 } 13469 // Do not allow "android" is being disabled 13470 if ("android".equals(packageName)) { 13471 Slog.w(TAG, "Cannot hide package: android"); 13472 return false; 13473 } 13474 // Cannot hide static shared libs as they are considered 13475 // a part of the using app (emulating static linking). Also 13476 // static libs are installed always on internal storage. 13477 PackageParser.Package pkg = mPackages.get(packageName); 13478 if (pkg != null && pkg.staticSharedLibName != null) { 13479 Slog.w(TAG, "Cannot hide package: " + packageName 13480 + " providing static shared library: " 13481 + pkg.staticSharedLibName); 13482 return false; 13483 } 13484 // Only allow protected packages to hide themselves. 13485 if (hidden && !UserHandle.isSameApp(uid, pkgSetting.appId) 13486 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 13487 Slog.w(TAG, "Not hiding protected package: " + packageName); 13488 return false; 13489 } 13490 13491 if (pkgSetting.getHidden(userId) != hidden) { 13492 pkgSetting.setHidden(hidden, userId); 13493 mSettings.writePackageRestrictionsLPr(userId); 13494 if (hidden) { 13495 sendRemoved = true; 13496 } else { 13497 sendAdded = true; 13498 } 13499 } 13500 } 13501 if (sendAdded) { 13502 sendPackageAddedForUser(packageName, pkgSetting, userId); 13503 return true; 13504 } 13505 if (sendRemoved) { 13506 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 13507 "hiding pkg"); 13508 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 13509 return true; 13510 } 13511 } finally { 13512 Binder.restoreCallingIdentity(callingId); 13513 } 13514 return false; 13515 } 13516 13517 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 13518 int userId) { 13519 final PackageRemovedInfo info = new PackageRemovedInfo(this); 13520 info.removedPackage = packageName; 13521 info.removedUsers = new int[] {userId}; 13522 info.broadcastUsers = new int[] {userId}; 13523 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 13524 info.sendPackageRemovedBroadcasts(true /*killApp*/); 13525 } 13526 13527 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 13528 if (pkgList.length > 0) { 13529 Bundle extras = new Bundle(1); 13530 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 13531 13532 sendPackageBroadcast( 13533 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 13534 : Intent.ACTION_PACKAGES_UNSUSPENDED, 13535 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 13536 new int[] {userId}); 13537 } 13538 } 13539 13540 /** 13541 * Returns true if application is not found or there was an error. Otherwise it returns 13542 * the hidden state of the package for the given user. 13543 */ 13544 @Override 13545 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 13546 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13547 enforceCrossUserPermission(Binder.getCallingUid(), userId, 13548 true /* requireFullPermission */, false /* checkShell */, 13549 "getApplicationHidden for user " + userId); 13550 PackageSetting pkgSetting; 13551 long callingId = Binder.clearCallingIdentity(); 13552 try { 13553 // writer 13554 synchronized (mPackages) { 13555 pkgSetting = mSettings.mPackages.get(packageName); 13556 if (pkgSetting == null) { 13557 return true; 13558 } 13559 return pkgSetting.getHidden(userId); 13560 } 13561 } finally { 13562 Binder.restoreCallingIdentity(callingId); 13563 } 13564 } 13565 13566 /** 13567 * @hide 13568 */ 13569 @Override 13570 public int installExistingPackageAsUser(String packageName, int userId, int installFlags, 13571 int installReason) { 13572 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 13573 null); 13574 PackageSetting pkgSetting; 13575 final int uid = Binder.getCallingUid(); 13576 enforceCrossUserPermission(uid, userId, 13577 true /* requireFullPermission */, true /* checkShell */, 13578 "installExistingPackage for user " + userId); 13579 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 13580 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 13581 } 13582 13583 long callingId = Binder.clearCallingIdentity(); 13584 try { 13585 boolean installed = false; 13586 final boolean instantApp = 13587 (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 13588 final boolean fullApp = 13589 (installFlags & PackageManager.INSTALL_FULL_APP) != 0; 13590 13591 // writer 13592 synchronized (mPackages) { 13593 pkgSetting = mSettings.mPackages.get(packageName); 13594 if (pkgSetting == null) { 13595 return PackageManager.INSTALL_FAILED_INVALID_URI; 13596 } 13597 if (!pkgSetting.getInstalled(userId)) { 13598 pkgSetting.setInstalled(true, userId); 13599 pkgSetting.setHidden(false, userId); 13600 pkgSetting.setInstallReason(installReason, userId); 13601 mSettings.writePackageRestrictionsLPr(userId); 13602 mSettings.writeKernelMappingLPr(pkgSetting); 13603 installed = true; 13604 } else if (fullApp && pkgSetting.getInstantApp(userId)) { 13605 // upgrade app from instant to full; we don't allow app downgrade 13606 installed = true; 13607 } 13608 setInstantAppForUser(pkgSetting, userId, instantApp, fullApp); 13609 } 13610 13611 if (installed) { 13612 if (pkgSetting.pkg != null) { 13613 synchronized (mInstallLock) { 13614 // We don't need to freeze for a brand new install 13615 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 13616 } 13617 } 13618 sendPackageAddedForUser(packageName, pkgSetting, userId); 13619 synchronized (mPackages) { 13620 updateSequenceNumberLP(packageName, new int[]{ userId }); 13621 } 13622 } 13623 } finally { 13624 Binder.restoreCallingIdentity(callingId); 13625 } 13626 13627 return PackageManager.INSTALL_SUCCEEDED; 13628 } 13629 13630 void setInstantAppForUser(PackageSetting pkgSetting, int userId, 13631 boolean instantApp, boolean fullApp) { 13632 // no state specified; do nothing 13633 if (!instantApp && !fullApp) { 13634 return; 13635 } 13636 if (userId != UserHandle.USER_ALL) { 13637 if (instantApp && !pkgSetting.getInstantApp(userId)) { 13638 pkgSetting.setInstantApp(true /*instantApp*/, userId); 13639 } else if (fullApp && pkgSetting.getInstantApp(userId)) { 13640 pkgSetting.setInstantApp(false /*instantApp*/, userId); 13641 } 13642 } else { 13643 for (int currentUserId : sUserManager.getUserIds()) { 13644 if (instantApp && !pkgSetting.getInstantApp(currentUserId)) { 13645 pkgSetting.setInstantApp(true /*instantApp*/, currentUserId); 13646 } else if (fullApp && pkgSetting.getInstantApp(currentUserId)) { 13647 pkgSetting.setInstantApp(false /*instantApp*/, currentUserId); 13648 } 13649 } 13650 } 13651 } 13652 13653 boolean isUserRestricted(int userId, String restrictionKey) { 13654 Bundle restrictions = sUserManager.getUserRestrictions(userId); 13655 if (restrictions.getBoolean(restrictionKey, false)) { 13656 Log.w(TAG, "User is restricted: " + restrictionKey); 13657 return true; 13658 } 13659 return false; 13660 } 13661 13662 @Override 13663 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 13664 int userId) { 13665 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13666 enforceCrossUserPermission(Binder.getCallingUid(), userId, 13667 true /* requireFullPermission */, true /* checkShell */, 13668 "setPackagesSuspended for user " + userId); 13669 13670 if (ArrayUtils.isEmpty(packageNames)) { 13671 return packageNames; 13672 } 13673 13674 // List of package names for whom the suspended state has changed. 13675 List<String> changedPackages = new ArrayList<>(packageNames.length); 13676 // List of package names for whom the suspended state is not set as requested in this 13677 // method. 13678 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 13679 long callingId = Binder.clearCallingIdentity(); 13680 try { 13681 for (int i = 0; i < packageNames.length; i++) { 13682 String packageName = packageNames[i]; 13683 boolean changed = false; 13684 final int appId; 13685 synchronized (mPackages) { 13686 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 13687 if (pkgSetting == null) { 13688 Slog.w(TAG, "Could not find package setting for package \"" + packageName 13689 + "\". Skipping suspending/un-suspending."); 13690 unactionedPackages.add(packageName); 13691 continue; 13692 } 13693 appId = pkgSetting.appId; 13694 if (pkgSetting.getSuspended(userId) != suspended) { 13695 if (!canSuspendPackageForUserLocked(packageName, userId)) { 13696 unactionedPackages.add(packageName); 13697 continue; 13698 } 13699 pkgSetting.setSuspended(suspended, userId); 13700 mSettings.writePackageRestrictionsLPr(userId); 13701 changed = true; 13702 changedPackages.add(packageName); 13703 } 13704 } 13705 13706 if (changed && suspended) { 13707 killApplication(packageName, UserHandle.getUid(userId, appId), 13708 "suspending package"); 13709 } 13710 } 13711 } finally { 13712 Binder.restoreCallingIdentity(callingId); 13713 } 13714 13715 if (!changedPackages.isEmpty()) { 13716 sendPackagesSuspendedForUser(changedPackages.toArray( 13717 new String[changedPackages.size()]), userId, suspended); 13718 } 13719 13720 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 13721 } 13722 13723 @Override 13724 public boolean isPackageSuspendedForUser(String packageName, int userId) { 13725 enforceCrossUserPermission(Binder.getCallingUid(), userId, 13726 true /* requireFullPermission */, false /* checkShell */, 13727 "isPackageSuspendedForUser for user " + userId); 13728 synchronized (mPackages) { 13729 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 13730 if (pkgSetting == null) { 13731 throw new IllegalArgumentException("Unknown target package: " + packageName); 13732 } 13733 return pkgSetting.getSuspended(userId); 13734 } 13735 } 13736 13737 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 13738 if (isPackageDeviceAdmin(packageName, userId)) { 13739 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13740 + "\": has an active device admin"); 13741 return false; 13742 } 13743 13744 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 13745 if (packageName.equals(activeLauncherPackageName)) { 13746 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13747 + "\": contains the active launcher"); 13748 return false; 13749 } 13750 13751 if (packageName.equals(mRequiredInstallerPackage)) { 13752 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13753 + "\": required for package installation"); 13754 return false; 13755 } 13756 13757 if (packageName.equals(mRequiredUninstallerPackage)) { 13758 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13759 + "\": required for package uninstallation"); 13760 return false; 13761 } 13762 13763 if (packageName.equals(mRequiredVerifierPackage)) { 13764 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13765 + "\": required for package verification"); 13766 return false; 13767 } 13768 13769 if (packageName.equals(getDefaultDialerPackageName(userId))) { 13770 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13771 + "\": is the default dialer"); 13772 return false; 13773 } 13774 13775 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 13776 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13777 + "\": protected package"); 13778 return false; 13779 } 13780 13781 // Cannot suspend static shared libs as they are considered 13782 // a part of the using app (emulating static linking). Also 13783 // static libs are installed always on internal storage. 13784 PackageParser.Package pkg = mPackages.get(packageName); 13785 if (pkg != null && pkg.applicationInfo.isStaticSharedLibrary()) { 13786 Slog.w(TAG, "Cannot suspend package: " + packageName 13787 + " providing static shared library: " 13788 + pkg.staticSharedLibName); 13789 return false; 13790 } 13791 13792 return true; 13793 } 13794 13795 private String getActiveLauncherPackageName(int userId) { 13796 Intent intent = new Intent(Intent.ACTION_MAIN); 13797 intent.addCategory(Intent.CATEGORY_HOME); 13798 ResolveInfo resolveInfo = resolveIntent( 13799 intent, 13800 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 13801 PackageManager.MATCH_DEFAULT_ONLY, 13802 userId); 13803 13804 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 13805 } 13806 13807 private String getDefaultDialerPackageName(int userId) { 13808 synchronized (mPackages) { 13809 return mSettings.getDefaultDialerPackageNameLPw(userId); 13810 } 13811 } 13812 13813 @Override 13814 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 13815 mContext.enforceCallingOrSelfPermission( 13816 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13817 "Only package verification agents can verify applications"); 13818 13819 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 13820 final PackageVerificationResponse response = new PackageVerificationResponse( 13821 verificationCode, Binder.getCallingUid()); 13822 msg.arg1 = id; 13823 msg.obj = response; 13824 mHandler.sendMessage(msg); 13825 } 13826 13827 @Override 13828 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 13829 long millisecondsToDelay) { 13830 mContext.enforceCallingOrSelfPermission( 13831 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13832 "Only package verification agents can extend verification timeouts"); 13833 13834 final PackageVerificationState state = mPendingVerification.get(id); 13835 final PackageVerificationResponse response = new PackageVerificationResponse( 13836 verificationCodeAtTimeout, Binder.getCallingUid()); 13837 13838 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 13839 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 13840 } 13841 if (millisecondsToDelay < 0) { 13842 millisecondsToDelay = 0; 13843 } 13844 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 13845 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 13846 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 13847 } 13848 13849 if ((state != null) && !state.timeoutExtended()) { 13850 state.extendTimeout(); 13851 13852 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 13853 msg.arg1 = id; 13854 msg.obj = response; 13855 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 13856 } 13857 } 13858 13859 private void broadcastPackageVerified(int verificationId, Uri packageUri, 13860 int verificationCode, UserHandle user) { 13861 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 13862 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 13863 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 13864 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 13865 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 13866 13867 mContext.sendBroadcastAsUser(intent, user, 13868 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 13869 } 13870 13871 private ComponentName matchComponentForVerifier(String packageName, 13872 List<ResolveInfo> receivers) { 13873 ActivityInfo targetReceiver = null; 13874 13875 final int NR = receivers.size(); 13876 for (int i = 0; i < NR; i++) { 13877 final ResolveInfo info = receivers.get(i); 13878 if (info.activityInfo == null) { 13879 continue; 13880 } 13881 13882 if (packageName.equals(info.activityInfo.packageName)) { 13883 targetReceiver = info.activityInfo; 13884 break; 13885 } 13886 } 13887 13888 if (targetReceiver == null) { 13889 return null; 13890 } 13891 13892 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 13893 } 13894 13895 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 13896 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 13897 if (pkgInfo.verifiers.length == 0) { 13898 return null; 13899 } 13900 13901 final int N = pkgInfo.verifiers.length; 13902 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 13903 for (int i = 0; i < N; i++) { 13904 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 13905 13906 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 13907 receivers); 13908 if (comp == null) { 13909 continue; 13910 } 13911 13912 final int verifierUid = getUidForVerifier(verifierInfo); 13913 if (verifierUid == -1) { 13914 continue; 13915 } 13916 13917 if (DEBUG_VERIFY) { 13918 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 13919 + " with the correct signature"); 13920 } 13921 sufficientVerifiers.add(comp); 13922 verificationState.addSufficientVerifier(verifierUid); 13923 } 13924 13925 return sufficientVerifiers; 13926 } 13927 13928 private int getUidForVerifier(VerifierInfo verifierInfo) { 13929 synchronized (mPackages) { 13930 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 13931 if (pkg == null) { 13932 return -1; 13933 } else if (pkg.mSignatures.length != 1) { 13934 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 13935 + " has more than one signature; ignoring"); 13936 return -1; 13937 } 13938 13939 /* 13940 * If the public key of the package's signature does not match 13941 * our expected public key, then this is a different package and 13942 * we should skip. 13943 */ 13944 13945 final byte[] expectedPublicKey; 13946 try { 13947 final Signature verifierSig = pkg.mSignatures[0]; 13948 final PublicKey publicKey = verifierSig.getPublicKey(); 13949 expectedPublicKey = publicKey.getEncoded(); 13950 } catch (CertificateException e) { 13951 return -1; 13952 } 13953 13954 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 13955 13956 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 13957 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 13958 + " does not have the expected public key; ignoring"); 13959 return -1; 13960 } 13961 13962 return pkg.applicationInfo.uid; 13963 } 13964 } 13965 13966 @Override 13967 public void finishPackageInstall(int token, boolean didLaunch) { 13968 enforceSystemOrRoot("Only the system is allowed to finish installs"); 13969 13970 if (DEBUG_INSTALL) { 13971 Slog.v(TAG, "BM finishing package install for " + token); 13972 } 13973 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 13974 13975 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 13976 mHandler.sendMessage(msg); 13977 } 13978 13979 /** 13980 * Get the verification agent timeout. 13981 * 13982 * @return verification timeout in milliseconds 13983 */ 13984 private long getVerificationTimeout() { 13985 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 13986 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 13987 DEFAULT_VERIFICATION_TIMEOUT); 13988 } 13989 13990 /** 13991 * Get the default verification agent response code. 13992 * 13993 * @return default verification response code 13994 */ 13995 private int getDefaultVerificationResponse() { 13996 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13997 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 13998 DEFAULT_VERIFICATION_RESPONSE); 13999 } 14000 14001 /** 14002 * Check whether or not package verification has been enabled. 14003 * 14004 * @return true if verification should be performed 14005 */ 14006 private boolean isVerificationEnabled(int userId, int installFlags) { 14007 if (!DEFAULT_VERIFY_ENABLE) { 14008 return false; 14009 } 14010 14011 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 14012 14013 // Check if installing from ADB 14014 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 14015 // Do not run verification in a test harness environment 14016 if (ActivityManager.isRunningInTestHarness()) { 14017 return false; 14018 } 14019 if (ensureVerifyAppsEnabled) { 14020 return true; 14021 } 14022 // Check if the developer does not want package verification for ADB installs 14023 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 14024 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 14025 return false; 14026 } 14027 } 14028 14029 if (ensureVerifyAppsEnabled) { 14030 return true; 14031 } 14032 14033 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 14034 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 14035 } 14036 14037 @Override 14038 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 14039 throws RemoteException { 14040 mContext.enforceCallingOrSelfPermission( 14041 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 14042 "Only intentfilter verification agents can verify applications"); 14043 14044 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 14045 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 14046 Binder.getCallingUid(), verificationCode, failedDomains); 14047 msg.arg1 = id; 14048 msg.obj = response; 14049 mHandler.sendMessage(msg); 14050 } 14051 14052 @Override 14053 public int getIntentVerificationStatus(String packageName, int userId) { 14054 synchronized (mPackages) { 14055 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 14056 } 14057 } 14058 14059 @Override 14060 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 14061 mContext.enforceCallingOrSelfPermission( 14062 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14063 14064 boolean result = false; 14065 synchronized (mPackages) { 14066 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 14067 } 14068 if (result) { 14069 scheduleWritePackageRestrictionsLocked(userId); 14070 } 14071 return result; 14072 } 14073 14074 @Override 14075 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 14076 String packageName) { 14077 synchronized (mPackages) { 14078 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 14079 } 14080 } 14081 14082 @Override 14083 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 14084 if (TextUtils.isEmpty(packageName)) { 14085 return ParceledListSlice.emptyList(); 14086 } 14087 synchronized (mPackages) { 14088 PackageParser.Package pkg = mPackages.get(packageName); 14089 if (pkg == null || pkg.activities == null) { 14090 return ParceledListSlice.emptyList(); 14091 } 14092 final int count = pkg.activities.size(); 14093 ArrayList<IntentFilter> result = new ArrayList<>(); 14094 for (int n=0; n<count; n++) { 14095 PackageParser.Activity activity = pkg.activities.get(n); 14096 if (activity.intents != null && activity.intents.size() > 0) { 14097 result.addAll(activity.intents); 14098 } 14099 } 14100 return new ParceledListSlice<>(result); 14101 } 14102 } 14103 14104 @Override 14105 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 14106 mContext.enforceCallingOrSelfPermission( 14107 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14108 14109 synchronized (mPackages) { 14110 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 14111 if (packageName != null) { 14112 result |= updateIntentVerificationStatus(packageName, 14113 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 14114 userId); 14115 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 14116 packageName, userId); 14117 } 14118 return result; 14119 } 14120 } 14121 14122 @Override 14123 public String getDefaultBrowserPackageName(int userId) { 14124 synchronized (mPackages) { 14125 return mSettings.getDefaultBrowserPackageNameLPw(userId); 14126 } 14127 } 14128 14129 /** 14130 * Get the "allow unknown sources" setting. 14131 * 14132 * @return the current "allow unknown sources" setting 14133 */ 14134 private int getUnknownSourcesSettings() { 14135 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 14136 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 14137 -1); 14138 } 14139 14140 @Override 14141 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 14142 final int uid = Binder.getCallingUid(); 14143 // writer 14144 synchronized (mPackages) { 14145 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 14146 if (targetPackageSetting == null) { 14147 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 14148 } 14149 14150 PackageSetting installerPackageSetting; 14151 if (installerPackageName != null) { 14152 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 14153 if (installerPackageSetting == null) { 14154 throw new IllegalArgumentException("Unknown installer package: " 14155 + installerPackageName); 14156 } 14157 } else { 14158 installerPackageSetting = null; 14159 } 14160 14161 Signature[] callerSignature; 14162 Object obj = mSettings.getUserIdLPr(uid); 14163 if (obj != null) { 14164 if (obj instanceof SharedUserSetting) { 14165 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 14166 } else if (obj instanceof PackageSetting) { 14167 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 14168 } else { 14169 throw new SecurityException("Bad object " + obj + " for uid " + uid); 14170 } 14171 } else { 14172 throw new SecurityException("Unknown calling UID: " + uid); 14173 } 14174 14175 // Verify: can't set installerPackageName to a package that is 14176 // not signed with the same cert as the caller. 14177 if (installerPackageSetting != null) { 14178 if (compareSignatures(callerSignature, 14179 installerPackageSetting.signatures.mSignatures) 14180 != PackageManager.SIGNATURE_MATCH) { 14181 throw new SecurityException( 14182 "Caller does not have same cert as new installer package " 14183 + installerPackageName); 14184 } 14185 } 14186 14187 // Verify: if target already has an installer package, it must 14188 // be signed with the same cert as the caller. 14189 if (targetPackageSetting.installerPackageName != null) { 14190 PackageSetting setting = mSettings.mPackages.get( 14191 targetPackageSetting.installerPackageName); 14192 // If the currently set package isn't valid, then it's always 14193 // okay to change it. 14194 if (setting != null) { 14195 if (compareSignatures(callerSignature, 14196 setting.signatures.mSignatures) 14197 != PackageManager.SIGNATURE_MATCH) { 14198 throw new SecurityException( 14199 "Caller does not have same cert as old installer package " 14200 + targetPackageSetting.installerPackageName); 14201 } 14202 } 14203 } 14204 14205 // Okay! 14206 targetPackageSetting.installerPackageName = installerPackageName; 14207 if (installerPackageName != null) { 14208 mSettings.mInstallerPackages.add(installerPackageName); 14209 } 14210 scheduleWriteSettingsLocked(); 14211 } 14212 } 14213 14214 @Override 14215 public void setApplicationCategoryHint(String packageName, int categoryHint, 14216 String callerPackageName) { 14217 mContext.getSystemService(AppOpsManager.class).checkPackage(Binder.getCallingUid(), 14218 callerPackageName); 14219 synchronized (mPackages) { 14220 PackageSetting ps = mSettings.mPackages.get(packageName); 14221 if (ps == null) { 14222 throw new IllegalArgumentException("Unknown target package " + packageName); 14223 } 14224 14225 if (!Objects.equals(callerPackageName, ps.installerPackageName)) { 14226 throw new IllegalArgumentException("Calling package " + callerPackageName 14227 + " is not installer for " + packageName); 14228 } 14229 14230 if (ps.categoryHint != categoryHint) { 14231 ps.categoryHint = categoryHint; 14232 scheduleWriteSettingsLocked(); 14233 } 14234 } 14235 } 14236 14237 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 14238 // Queue up an async operation since the package installation may take a little while. 14239 mHandler.post(new Runnable() { 14240 public void run() { 14241 mHandler.removeCallbacks(this); 14242 // Result object to be returned 14243 PackageInstalledInfo res = new PackageInstalledInfo(); 14244 res.setReturnCode(currentStatus); 14245 res.uid = -1; 14246 res.pkg = null; 14247 res.removedInfo = null; 14248 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14249 args.doPreInstall(res.returnCode); 14250 synchronized (mInstallLock) { 14251 installPackageTracedLI(args, res); 14252 } 14253 args.doPostInstall(res.returnCode, res.uid); 14254 } 14255 14256 // A restore should be performed at this point if (a) the install 14257 // succeeded, (b) the operation is not an update, and (c) the new 14258 // package has not opted out of backup participation. 14259 final boolean update = res.removedInfo != null 14260 && res.removedInfo.removedPackage != null; 14261 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 14262 boolean doRestore = !update 14263 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 14264 14265 // Set up the post-install work request bookkeeping. This will be used 14266 // and cleaned up by the post-install event handling regardless of whether 14267 // there's a restore pass performed. Token values are >= 1. 14268 int token; 14269 if (mNextInstallToken < 0) mNextInstallToken = 1; 14270 token = mNextInstallToken++; 14271 14272 PostInstallData data = new PostInstallData(args, res); 14273 mRunningInstalls.put(token, data); 14274 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 14275 14276 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 14277 // Pass responsibility to the Backup Manager. It will perform a 14278 // restore if appropriate, then pass responsibility back to the 14279 // Package Manager to run the post-install observer callbacks 14280 // and broadcasts. 14281 IBackupManager bm = IBackupManager.Stub.asInterface( 14282 ServiceManager.getService(Context.BACKUP_SERVICE)); 14283 if (bm != null) { 14284 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 14285 + " to BM for possible restore"); 14286 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 14287 try { 14288 // TODO: http://b/22388012 14289 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 14290 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 14291 } else { 14292 doRestore = false; 14293 } 14294 } catch (RemoteException e) { 14295 // can't happen; the backup manager is local 14296 } catch (Exception e) { 14297 Slog.e(TAG, "Exception trying to enqueue restore", e); 14298 doRestore = false; 14299 } 14300 } else { 14301 Slog.e(TAG, "Backup Manager not found!"); 14302 doRestore = false; 14303 } 14304 } 14305 14306 if (!doRestore) { 14307 // No restore possible, or the Backup Manager was mysteriously not 14308 // available -- just fire the post-install work request directly. 14309 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 14310 14311 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 14312 14313 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 14314 mHandler.sendMessage(msg); 14315 } 14316 } 14317 }); 14318 } 14319 14320 /** 14321 * Callback from PackageSettings whenever an app is first transitioned out of the 14322 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 14323 * the app was "launched" for a restoreAtInstall operation. Therefore we check 14324 * here whether the app is the target of an ongoing install, and only send the 14325 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 14326 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 14327 * handling. 14328 */ 14329 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 14330 // Serialize this with the rest of the install-process message chain. In the 14331 // restore-at-install case, this Runnable will necessarily run before the 14332 // POST_INSTALL message is processed, so the contents of mRunningInstalls 14333 // are coherent. In the non-restore case, the app has already completed install 14334 // and been launched through some other means, so it is not in a problematic 14335 // state for observers to see the FIRST_LAUNCH signal. 14336 mHandler.post(new Runnable() { 14337 @Override 14338 public void run() { 14339 for (int i = 0; i < mRunningInstalls.size(); i++) { 14340 final PostInstallData data = mRunningInstalls.valueAt(i); 14341 if (data.res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14342 continue; 14343 } 14344 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 14345 // right package; but is it for the right user? 14346 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 14347 if (userId == data.res.newUsers[uIndex]) { 14348 if (DEBUG_BACKUP) { 14349 Slog.i(TAG, "Package " + pkgName 14350 + " being restored so deferring FIRST_LAUNCH"); 14351 } 14352 return; 14353 } 14354 } 14355 } 14356 } 14357 // didn't find it, so not being restored 14358 if (DEBUG_BACKUP) { 14359 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 14360 } 14361 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 14362 } 14363 }); 14364 } 14365 14366 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 14367 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 14368 installerPkg, null, userIds); 14369 } 14370 14371 private abstract class HandlerParams { 14372 private static final int MAX_RETRIES = 4; 14373 14374 /** 14375 * Number of times startCopy() has been attempted and had a non-fatal 14376 * error. 14377 */ 14378 private int mRetries = 0; 14379 14380 /** User handle for the user requesting the information or installation. */ 14381 private final UserHandle mUser; 14382 String traceMethod; 14383 int traceCookie; 14384 14385 HandlerParams(UserHandle user) { 14386 mUser = user; 14387 } 14388 14389 UserHandle getUser() { 14390 return mUser; 14391 } 14392 14393 HandlerParams setTraceMethod(String traceMethod) { 14394 this.traceMethod = traceMethod; 14395 return this; 14396 } 14397 14398 HandlerParams setTraceCookie(int traceCookie) { 14399 this.traceCookie = traceCookie; 14400 return this; 14401 } 14402 14403 final boolean startCopy() { 14404 boolean res; 14405 try { 14406 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 14407 14408 if (++mRetries > MAX_RETRIES) { 14409 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 14410 mHandler.sendEmptyMessage(MCS_GIVE_UP); 14411 handleServiceError(); 14412 return false; 14413 } else { 14414 handleStartCopy(); 14415 res = true; 14416 } 14417 } catch (RemoteException e) { 14418 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 14419 mHandler.sendEmptyMessage(MCS_RECONNECT); 14420 res = false; 14421 } 14422 handleReturnCode(); 14423 return res; 14424 } 14425 14426 final void serviceError() { 14427 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 14428 handleServiceError(); 14429 handleReturnCode(); 14430 } 14431 14432 abstract void handleStartCopy() throws RemoteException; 14433 abstract void handleServiceError(); 14434 abstract void handleReturnCode(); 14435 } 14436 14437 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 14438 for (File path : paths) { 14439 try { 14440 mcs.clearDirectory(path.getAbsolutePath()); 14441 } catch (RemoteException e) { 14442 } 14443 } 14444 } 14445 14446 static class OriginInfo { 14447 /** 14448 * Location where install is coming from, before it has been 14449 * copied/renamed into place. This could be a single monolithic APK 14450 * file, or a cluster directory. This location may be untrusted. 14451 */ 14452 final File file; 14453 final String cid; 14454 14455 /** 14456 * Flag indicating that {@link #file} or {@link #cid} has already been 14457 * staged, meaning downstream users don't need to defensively copy the 14458 * contents. 14459 */ 14460 final boolean staged; 14461 14462 /** 14463 * Flag indicating that {@link #file} or {@link #cid} is an already 14464 * installed app that is being moved. 14465 */ 14466 final boolean existing; 14467 14468 final String resolvedPath; 14469 final File resolvedFile; 14470 14471 static OriginInfo fromNothing() { 14472 return new OriginInfo(null, null, false, false); 14473 } 14474 14475 static OriginInfo fromUntrustedFile(File file) { 14476 return new OriginInfo(file, null, false, false); 14477 } 14478 14479 static OriginInfo fromExistingFile(File file) { 14480 return new OriginInfo(file, null, false, true); 14481 } 14482 14483 static OriginInfo fromStagedFile(File file) { 14484 return new OriginInfo(file, null, true, false); 14485 } 14486 14487 static OriginInfo fromStagedContainer(String cid) { 14488 return new OriginInfo(null, cid, true, false); 14489 } 14490 14491 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 14492 this.file = file; 14493 this.cid = cid; 14494 this.staged = staged; 14495 this.existing = existing; 14496 14497 if (cid != null) { 14498 resolvedPath = PackageHelper.getSdDir(cid); 14499 resolvedFile = new File(resolvedPath); 14500 } else if (file != null) { 14501 resolvedPath = file.getAbsolutePath(); 14502 resolvedFile = file; 14503 } else { 14504 resolvedPath = null; 14505 resolvedFile = null; 14506 } 14507 } 14508 } 14509 14510 static class MoveInfo { 14511 final int moveId; 14512 final String fromUuid; 14513 final String toUuid; 14514 final String packageName; 14515 final String dataAppName; 14516 final int appId; 14517 final String seinfo; 14518 final int targetSdkVersion; 14519 14520 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 14521 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 14522 this.moveId = moveId; 14523 this.fromUuid = fromUuid; 14524 this.toUuid = toUuid; 14525 this.packageName = packageName; 14526 this.dataAppName = dataAppName; 14527 this.appId = appId; 14528 this.seinfo = seinfo; 14529 this.targetSdkVersion = targetSdkVersion; 14530 } 14531 } 14532 14533 static class VerificationInfo { 14534 /** A constant used to indicate that a uid value is not present. */ 14535 public static final int NO_UID = -1; 14536 14537 /** URI referencing where the package was downloaded from. */ 14538 final Uri originatingUri; 14539 14540 /** HTTP referrer URI associated with the originatingURI. */ 14541 final Uri referrer; 14542 14543 /** UID of the application that the install request originated from. */ 14544 final int originatingUid; 14545 14546 /** UID of application requesting the install */ 14547 final int installerUid; 14548 14549 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 14550 this.originatingUri = originatingUri; 14551 this.referrer = referrer; 14552 this.originatingUid = originatingUid; 14553 this.installerUid = installerUid; 14554 } 14555 } 14556 14557 class InstallParams extends HandlerParams { 14558 final OriginInfo origin; 14559 final MoveInfo move; 14560 final IPackageInstallObserver2 observer; 14561 int installFlags; 14562 final String installerPackageName; 14563 final String volumeUuid; 14564 private InstallArgs mArgs; 14565 private int mRet; 14566 final String packageAbiOverride; 14567 final String[] grantedRuntimePermissions; 14568 final VerificationInfo verificationInfo; 14569 final Certificate[][] certificates; 14570 final int installReason; 14571 14572 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 14573 int installFlags, String installerPackageName, String volumeUuid, 14574 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 14575 String[] grantedPermissions, Certificate[][] certificates, int installReason) { 14576 super(user); 14577 this.origin = origin; 14578 this.move = move; 14579 this.observer = observer; 14580 this.installFlags = installFlags; 14581 this.installerPackageName = installerPackageName; 14582 this.volumeUuid = volumeUuid; 14583 this.verificationInfo = verificationInfo; 14584 this.packageAbiOverride = packageAbiOverride; 14585 this.grantedRuntimePermissions = grantedPermissions; 14586 this.certificates = certificates; 14587 this.installReason = installReason; 14588 } 14589 14590 @Override 14591 public String toString() { 14592 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 14593 + " file=" + origin.file + " cid=" + origin.cid + "}"; 14594 } 14595 14596 private int installLocationPolicy(PackageInfoLite pkgLite) { 14597 String packageName = pkgLite.packageName; 14598 int installLocation = pkgLite.installLocation; 14599 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14600 // reader 14601 synchronized (mPackages) { 14602 // Currently installed package which the new package is attempting to replace or 14603 // null if no such package is installed. 14604 PackageParser.Package installedPkg = mPackages.get(packageName); 14605 // Package which currently owns the data which the new package will own if installed. 14606 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 14607 // will be null whereas dataOwnerPkg will contain information about the package 14608 // which was uninstalled while keeping its data. 14609 PackageParser.Package dataOwnerPkg = installedPkg; 14610 if (dataOwnerPkg == null) { 14611 PackageSetting ps = mSettings.mPackages.get(packageName); 14612 if (ps != null) { 14613 dataOwnerPkg = ps.pkg; 14614 } 14615 } 14616 14617 if (dataOwnerPkg != null) { 14618 // If installed, the package will get access to data left on the device by its 14619 // predecessor. As a security measure, this is permited only if this is not a 14620 // version downgrade or if the predecessor package is marked as debuggable and 14621 // a downgrade is explicitly requested. 14622 // 14623 // On debuggable platform builds, downgrades are permitted even for 14624 // non-debuggable packages to make testing easier. Debuggable platform builds do 14625 // not offer security guarantees and thus it's OK to disable some security 14626 // mechanisms to make debugging/testing easier on those builds. However, even on 14627 // debuggable builds downgrades of packages are permitted only if requested via 14628 // installFlags. This is because we aim to keep the behavior of debuggable 14629 // platform builds as close as possible to the behavior of non-debuggable 14630 // platform builds. 14631 final boolean downgradeRequested = 14632 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 14633 final boolean packageDebuggable = 14634 (dataOwnerPkg.applicationInfo.flags 14635 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 14636 final boolean downgradePermitted = 14637 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 14638 if (!downgradePermitted) { 14639 try { 14640 checkDowngrade(dataOwnerPkg, pkgLite); 14641 } catch (PackageManagerException e) { 14642 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 14643 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 14644 } 14645 } 14646 } 14647 14648 if (installedPkg != null) { 14649 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14650 // Check for updated system application. 14651 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 14652 if (onSd) { 14653 Slog.w(TAG, "Cannot install update to system app on sdcard"); 14654 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 14655 } 14656 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14657 } else { 14658 if (onSd) { 14659 // Install flag overrides everything. 14660 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14661 } 14662 // If current upgrade specifies particular preference 14663 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 14664 // Application explicitly specified internal. 14665 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14666 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 14667 // App explictly prefers external. Let policy decide 14668 } else { 14669 // Prefer previous location 14670 if (isExternal(installedPkg)) { 14671 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14672 } 14673 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14674 } 14675 } 14676 } else { 14677 // Invalid install. Return error code 14678 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 14679 } 14680 } 14681 } 14682 // All the special cases have been taken care of. 14683 // Return result based on recommended install location. 14684 if (onSd) { 14685 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14686 } 14687 return pkgLite.recommendedInstallLocation; 14688 } 14689 14690 /* 14691 * Invoke remote method to get package information and install 14692 * location values. Override install location based on default 14693 * policy if needed and then create install arguments based 14694 * on the install location. 14695 */ 14696 public void handleStartCopy() throws RemoteException { 14697 int ret = PackageManager.INSTALL_SUCCEEDED; 14698 14699 // If we're already staged, we've firmly committed to an install location 14700 if (origin.staged) { 14701 if (origin.file != null) { 14702 installFlags |= PackageManager.INSTALL_INTERNAL; 14703 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 14704 } else if (origin.cid != null) { 14705 installFlags |= PackageManager.INSTALL_EXTERNAL; 14706 installFlags &= ~PackageManager.INSTALL_INTERNAL; 14707 } else { 14708 throw new IllegalStateException("Invalid stage location"); 14709 } 14710 } 14711 14712 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14713 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 14714 final boolean ephemeral = (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 14715 PackageInfoLite pkgLite = null; 14716 14717 if (onInt && onSd) { 14718 // Check if both bits are set. 14719 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 14720 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14721 } else if (onSd && ephemeral) { 14722 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 14723 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14724 } else { 14725 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 14726 packageAbiOverride); 14727 14728 if (DEBUG_EPHEMERAL && ephemeral) { 14729 Slog.v(TAG, "pkgLite for install: " + pkgLite); 14730 } 14731 14732 /* 14733 * If we have too little free space, try to free cache 14734 * before giving up. 14735 */ 14736 if (!origin.staged && pkgLite.recommendedInstallLocation 14737 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 14738 // TODO: focus freeing disk space on the target device 14739 final StorageManager storage = StorageManager.from(mContext); 14740 final long lowThreshold = storage.getStorageLowBytes( 14741 Environment.getDataDirectory()); 14742 14743 final long sizeBytes = mContainerService.calculateInstalledSize( 14744 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 14745 14746 try { 14747 mInstaller.freeCache(null, sizeBytes + lowThreshold, 0); 14748 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 14749 installFlags, packageAbiOverride); 14750 } catch (InstallerException e) { 14751 Slog.w(TAG, "Failed to free cache", e); 14752 } 14753 14754 /* 14755 * The cache free must have deleted the file we 14756 * downloaded to install. 14757 * 14758 * TODO: fix the "freeCache" call to not delete 14759 * the file we care about. 14760 */ 14761 if (pkgLite.recommendedInstallLocation 14762 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 14763 pkgLite.recommendedInstallLocation 14764 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 14765 } 14766 } 14767 } 14768 14769 if (ret == PackageManager.INSTALL_SUCCEEDED) { 14770 int loc = pkgLite.recommendedInstallLocation; 14771 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 14772 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14773 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 14774 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 14775 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 14776 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 14777 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 14778 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 14779 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 14780 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 14781 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 14782 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 14783 } else { 14784 // Override with defaults if needed. 14785 loc = installLocationPolicy(pkgLite); 14786 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 14787 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 14788 } else if (!onSd && !onInt) { 14789 // Override install location with flags 14790 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 14791 // Set the flag to install on external media. 14792 installFlags |= PackageManager.INSTALL_EXTERNAL; 14793 installFlags &= ~PackageManager.INSTALL_INTERNAL; 14794 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 14795 if (DEBUG_EPHEMERAL) { 14796 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 14797 } 14798 installFlags |= PackageManager.INSTALL_INSTANT_APP; 14799 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 14800 |PackageManager.INSTALL_INTERNAL); 14801 } else { 14802 // Make sure the flag for installing on external 14803 // media is unset 14804 installFlags |= PackageManager.INSTALL_INTERNAL; 14805 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 14806 } 14807 } 14808 } 14809 } 14810 14811 final InstallArgs args = createInstallArgs(this); 14812 mArgs = args; 14813 14814 if (ret == PackageManager.INSTALL_SUCCEEDED) { 14815 // TODO: http://b/22976637 14816 // Apps installed for "all" users use the device owner to verify the app 14817 UserHandle verifierUser = getUser(); 14818 if (verifierUser == UserHandle.ALL) { 14819 verifierUser = UserHandle.SYSTEM; 14820 } 14821 14822 /* 14823 * Determine if we have any installed package verifiers. If we 14824 * do, then we'll defer to them to verify the packages. 14825 */ 14826 final int requiredUid = mRequiredVerifierPackage == null ? -1 14827 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 14828 verifierUser.getIdentifier()); 14829 if (!origin.existing && requiredUid != -1 14830 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 14831 final Intent verification = new Intent( 14832 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 14833 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 14834 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 14835 PACKAGE_MIME_TYPE); 14836 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 14837 14838 // Query all live verifiers based on current user state 14839 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 14840 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 14841 14842 if (DEBUG_VERIFY) { 14843 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 14844 + verification.toString() + " with " + pkgLite.verifiers.length 14845 + " optional verifiers"); 14846 } 14847 14848 final int verificationId = mPendingVerificationToken++; 14849 14850 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 14851 14852 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 14853 installerPackageName); 14854 14855 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 14856 installFlags); 14857 14858 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 14859 pkgLite.packageName); 14860 14861 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 14862 pkgLite.versionCode); 14863 14864 if (verificationInfo != null) { 14865 if (verificationInfo.originatingUri != null) { 14866 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 14867 verificationInfo.originatingUri); 14868 } 14869 if (verificationInfo.referrer != null) { 14870 verification.putExtra(Intent.EXTRA_REFERRER, 14871 verificationInfo.referrer); 14872 } 14873 if (verificationInfo.originatingUid >= 0) { 14874 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 14875 verificationInfo.originatingUid); 14876 } 14877 if (verificationInfo.installerUid >= 0) { 14878 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 14879 verificationInfo.installerUid); 14880 } 14881 } 14882 14883 final PackageVerificationState verificationState = new PackageVerificationState( 14884 requiredUid, args); 14885 14886 mPendingVerification.append(verificationId, verificationState); 14887 14888 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 14889 receivers, verificationState); 14890 14891 DeviceIdleController.LocalService idleController = getDeviceIdleController(); 14892 final long idleDuration = getVerificationTimeout(); 14893 14894 /* 14895 * If any sufficient verifiers were listed in the package 14896 * manifest, attempt to ask them. 14897 */ 14898 if (sufficientVerifiers != null) { 14899 final int N = sufficientVerifiers.size(); 14900 if (N == 0) { 14901 Slog.i(TAG, "Additional verifiers required, but none installed."); 14902 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 14903 } else { 14904 for (int i = 0; i < N; i++) { 14905 final ComponentName verifierComponent = sufficientVerifiers.get(i); 14906 idleController.addPowerSaveTempWhitelistApp(Process.myUid(), 14907 verifierComponent.getPackageName(), idleDuration, 14908 verifierUser.getIdentifier(), false, "package verifier"); 14909 14910 final Intent sufficientIntent = new Intent(verification); 14911 sufficientIntent.setComponent(verifierComponent); 14912 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 14913 } 14914 } 14915 } 14916 14917 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 14918 mRequiredVerifierPackage, receivers); 14919 if (ret == PackageManager.INSTALL_SUCCEEDED 14920 && mRequiredVerifierPackage != null) { 14921 Trace.asyncTraceBegin( 14922 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 14923 /* 14924 * Send the intent to the required verification agent, 14925 * but only start the verification timeout after the 14926 * target BroadcastReceivers have run. 14927 */ 14928 verification.setComponent(requiredVerifierComponent); 14929 idleController.addPowerSaveTempWhitelistApp(Process.myUid(), 14930 mRequiredVerifierPackage, idleDuration, 14931 verifierUser.getIdentifier(), false, "package verifier"); 14932 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 14933 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 14934 new BroadcastReceiver() { 14935 @Override 14936 public void onReceive(Context context, Intent intent) { 14937 final Message msg = mHandler 14938 .obtainMessage(CHECK_PENDING_VERIFICATION); 14939 msg.arg1 = verificationId; 14940 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 14941 } 14942 }, null, 0, null, null); 14943 14944 /* 14945 * We don't want the copy to proceed until verification 14946 * succeeds, so null out this field. 14947 */ 14948 mArgs = null; 14949 } 14950 } else { 14951 /* 14952 * No package verification is enabled, so immediately start 14953 * the remote call to initiate copy using temporary file. 14954 */ 14955 ret = args.copyApk(mContainerService, true); 14956 } 14957 } 14958 14959 mRet = ret; 14960 } 14961 14962 @Override 14963 void handleReturnCode() { 14964 // If mArgs is null, then MCS couldn't be reached. When it 14965 // reconnects, it will try again to install. At that point, this 14966 // will succeed. 14967 if (mArgs != null) { 14968 processPendingInstall(mArgs, mRet); 14969 } 14970 } 14971 14972 @Override 14973 void handleServiceError() { 14974 mArgs = createInstallArgs(this); 14975 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 14976 } 14977 14978 public boolean isForwardLocked() { 14979 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 14980 } 14981 } 14982 14983 /** 14984 * Used during creation of InstallArgs 14985 * 14986 * @param installFlags package installation flags 14987 * @return true if should be installed on external storage 14988 */ 14989 private static boolean installOnExternalAsec(int installFlags) { 14990 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 14991 return false; 14992 } 14993 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 14994 return true; 14995 } 14996 return false; 14997 } 14998 14999 /** 15000 * Used during creation of InstallArgs 15001 * 15002 * @param installFlags package installation flags 15003 * @return true if should be installed as forward locked 15004 */ 15005 private static boolean installForwardLocked(int installFlags) { 15006 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 15007 } 15008 15009 private InstallArgs createInstallArgs(InstallParams params) { 15010 if (params.move != null) { 15011 return new MoveInstallArgs(params); 15012 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 15013 return new AsecInstallArgs(params); 15014 } else { 15015 return new FileInstallArgs(params); 15016 } 15017 } 15018 15019 /** 15020 * Create args that describe an existing installed package. Typically used 15021 * when cleaning up old installs, or used as a move source. 15022 */ 15023 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 15024 String resourcePath, String[] instructionSets) { 15025 final boolean isInAsec; 15026 if (installOnExternalAsec(installFlags)) { 15027 /* Apps on SD card are always in ASEC containers. */ 15028 isInAsec = true; 15029 } else if (installForwardLocked(installFlags) 15030 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 15031 /* 15032 * Forward-locked apps are only in ASEC containers if they're the 15033 * new style 15034 */ 15035 isInAsec = true; 15036 } else { 15037 isInAsec = false; 15038 } 15039 15040 if (isInAsec) { 15041 return new AsecInstallArgs(codePath, instructionSets, 15042 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 15043 } else { 15044 return new FileInstallArgs(codePath, resourcePath, instructionSets); 15045 } 15046 } 15047 15048 static abstract class InstallArgs { 15049 /** @see InstallParams#origin */ 15050 final OriginInfo origin; 15051 /** @see InstallParams#move */ 15052 final MoveInfo move; 15053 15054 final IPackageInstallObserver2 observer; 15055 // Always refers to PackageManager flags only 15056 final int installFlags; 15057 final String installerPackageName; 15058 final String volumeUuid; 15059 final UserHandle user; 15060 final String abiOverride; 15061 final String[] installGrantPermissions; 15062 /** If non-null, drop an async trace when the install completes */ 15063 final String traceMethod; 15064 final int traceCookie; 15065 final Certificate[][] certificates; 15066 final int installReason; 15067 15068 // The list of instruction sets supported by this app. This is currently 15069 // only used during the rmdex() phase to clean up resources. We can get rid of this 15070 // if we move dex files under the common app path. 15071 /* nullable */ String[] instructionSets; 15072 15073 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 15074 int installFlags, String installerPackageName, String volumeUuid, 15075 UserHandle user, String[] instructionSets, 15076 String abiOverride, String[] installGrantPermissions, 15077 String traceMethod, int traceCookie, Certificate[][] certificates, 15078 int installReason) { 15079 this.origin = origin; 15080 this.move = move; 15081 this.installFlags = installFlags; 15082 this.observer = observer; 15083 this.installerPackageName = installerPackageName; 15084 this.volumeUuid = volumeUuid; 15085 this.user = user; 15086 this.instructionSets = instructionSets; 15087 this.abiOverride = abiOverride; 15088 this.installGrantPermissions = installGrantPermissions; 15089 this.traceMethod = traceMethod; 15090 this.traceCookie = traceCookie; 15091 this.certificates = certificates; 15092 this.installReason = installReason; 15093 } 15094 15095 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 15096 abstract int doPreInstall(int status); 15097 15098 /** 15099 * Rename package into final resting place. All paths on the given 15100 * scanned package should be updated to reflect the rename. 15101 */ 15102 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 15103 abstract int doPostInstall(int status, int uid); 15104 15105 /** @see PackageSettingBase#codePathString */ 15106 abstract String getCodePath(); 15107 /** @see PackageSettingBase#resourcePathString */ 15108 abstract String getResourcePath(); 15109 15110 // Need installer lock especially for dex file removal. 15111 abstract void cleanUpResourcesLI(); 15112 abstract boolean doPostDeleteLI(boolean delete); 15113 15114 /** 15115 * Called before the source arguments are copied. This is used mostly 15116 * for MoveParams when it needs to read the source file to put it in the 15117 * destination. 15118 */ 15119 int doPreCopy() { 15120 return PackageManager.INSTALL_SUCCEEDED; 15121 } 15122 15123 /** 15124 * Called after the source arguments are copied. This is used mostly for 15125 * MoveParams when it needs to read the source file to put it in the 15126 * destination. 15127 */ 15128 int doPostCopy(int uid) { 15129 return PackageManager.INSTALL_SUCCEEDED; 15130 } 15131 15132 protected boolean isFwdLocked() { 15133 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 15134 } 15135 15136 protected boolean isExternalAsec() { 15137 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 15138 } 15139 15140 protected boolean isEphemeral() { 15141 return (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 15142 } 15143 15144 UserHandle getUser() { 15145 return user; 15146 } 15147 } 15148 15149 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 15150 if (!allCodePaths.isEmpty()) { 15151 if (instructionSets == null) { 15152 throw new IllegalStateException("instructionSet == null"); 15153 } 15154 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 15155 for (String codePath : allCodePaths) { 15156 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 15157 try { 15158 mInstaller.rmdex(codePath, dexCodeInstructionSet); 15159 } catch (InstallerException ignored) { 15160 } 15161 } 15162 } 15163 } 15164 } 15165 15166 /** 15167 * Logic to handle installation of non-ASEC applications, including copying 15168 * and renaming logic. 15169 */ 15170 class FileInstallArgs extends InstallArgs { 15171 private File codeFile; 15172 private File resourceFile; 15173 15174 // Example topology: 15175 // /data/app/com.example/base.apk 15176 // /data/app/com.example/split_foo.apk 15177 // /data/app/com.example/lib/arm/libfoo.so 15178 // /data/app/com.example/lib/arm64/libfoo.so 15179 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 15180 15181 /** New install */ 15182 FileInstallArgs(InstallParams params) { 15183 super(params.origin, params.move, params.observer, params.installFlags, 15184 params.installerPackageName, params.volumeUuid, 15185 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 15186 params.grantedRuntimePermissions, 15187 params.traceMethod, params.traceCookie, params.certificates, 15188 params.installReason); 15189 if (isFwdLocked()) { 15190 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 15191 } 15192 } 15193 15194 /** Existing install */ 15195 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 15196 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 15197 null, null, null, 0, null /*certificates*/, 15198 PackageManager.INSTALL_REASON_UNKNOWN); 15199 this.codeFile = (codePath != null) ? new File(codePath) : null; 15200 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 15201 } 15202 15203 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 15204 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 15205 try { 15206 return doCopyApk(imcs, temp); 15207 } finally { 15208 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15209 } 15210 } 15211 15212 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 15213 if (origin.staged) { 15214 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 15215 codeFile = origin.file; 15216 resourceFile = origin.file; 15217 return PackageManager.INSTALL_SUCCEEDED; 15218 } 15219 15220 try { 15221 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 15222 final File tempDir = 15223 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 15224 codeFile = tempDir; 15225 resourceFile = tempDir; 15226 } catch (IOException e) { 15227 Slog.w(TAG, "Failed to create copy file: " + e); 15228 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 15229 } 15230 15231 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 15232 @Override 15233 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 15234 if (!FileUtils.isValidExtFilename(name)) { 15235 throw new IllegalArgumentException("Invalid filename: " + name); 15236 } 15237 try { 15238 final File file = new File(codeFile, name); 15239 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 15240 O_RDWR | O_CREAT, 0644); 15241 Os.chmod(file.getAbsolutePath(), 0644); 15242 return new ParcelFileDescriptor(fd); 15243 } catch (ErrnoException e) { 15244 throw new RemoteException("Failed to open: " + e.getMessage()); 15245 } 15246 } 15247 }; 15248 15249 int ret = PackageManager.INSTALL_SUCCEEDED; 15250 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 15251 if (ret != PackageManager.INSTALL_SUCCEEDED) { 15252 Slog.e(TAG, "Failed to copy package"); 15253 return ret; 15254 } 15255 15256 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 15257 NativeLibraryHelper.Handle handle = null; 15258 try { 15259 handle = NativeLibraryHelper.Handle.create(codeFile); 15260 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 15261 abiOverride); 15262 } catch (IOException e) { 15263 Slog.e(TAG, "Copying native libraries failed", e); 15264 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 15265 } finally { 15266 IoUtils.closeQuietly(handle); 15267 } 15268 15269 return ret; 15270 } 15271 15272 int doPreInstall(int status) { 15273 if (status != PackageManager.INSTALL_SUCCEEDED) { 15274 cleanUp(); 15275 } 15276 return status; 15277 } 15278 15279 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 15280 if (status != PackageManager.INSTALL_SUCCEEDED) { 15281 cleanUp(); 15282 return false; 15283 } 15284 15285 final File targetDir = codeFile.getParentFile(); 15286 final File beforeCodeFile = codeFile; 15287 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 15288 15289 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 15290 try { 15291 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 15292 } catch (ErrnoException e) { 15293 Slog.w(TAG, "Failed to rename", e); 15294 return false; 15295 } 15296 15297 if (!SELinux.restoreconRecursive(afterCodeFile)) { 15298 Slog.w(TAG, "Failed to restorecon"); 15299 return false; 15300 } 15301 15302 // Reflect the rename internally 15303 codeFile = afterCodeFile; 15304 resourceFile = afterCodeFile; 15305 15306 // Reflect the rename in scanned details 15307 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 15308 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 15309 afterCodeFile, pkg.baseCodePath)); 15310 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 15311 afterCodeFile, pkg.splitCodePaths)); 15312 15313 // Reflect the rename in app info 15314 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15315 pkg.setApplicationInfoCodePath(pkg.codePath); 15316 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15317 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15318 pkg.setApplicationInfoResourcePath(pkg.codePath); 15319 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15320 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15321 15322 return true; 15323 } 15324 15325 int doPostInstall(int status, int uid) { 15326 if (status != PackageManager.INSTALL_SUCCEEDED) { 15327 cleanUp(); 15328 } 15329 return status; 15330 } 15331 15332 @Override 15333 String getCodePath() { 15334 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 15335 } 15336 15337 @Override 15338 String getResourcePath() { 15339 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 15340 } 15341 15342 private boolean cleanUp() { 15343 if (codeFile == null || !codeFile.exists()) { 15344 return false; 15345 } 15346 15347 removeCodePathLI(codeFile); 15348 15349 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 15350 resourceFile.delete(); 15351 } 15352 15353 return true; 15354 } 15355 15356 void cleanUpResourcesLI() { 15357 // Try enumerating all code paths before deleting 15358 List<String> allCodePaths = Collections.EMPTY_LIST; 15359 if (codeFile != null && codeFile.exists()) { 15360 try { 15361 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 15362 allCodePaths = pkg.getAllCodePaths(); 15363 } catch (PackageParserException e) { 15364 // Ignored; we tried our best 15365 } 15366 } 15367 15368 cleanUp(); 15369 removeDexFiles(allCodePaths, instructionSets); 15370 } 15371 15372 boolean doPostDeleteLI(boolean delete) { 15373 // XXX err, shouldn't we respect the delete flag? 15374 cleanUpResourcesLI(); 15375 return true; 15376 } 15377 } 15378 15379 private boolean isAsecExternal(String cid) { 15380 final String asecPath = PackageHelper.getSdFilesystem(cid); 15381 return !asecPath.startsWith(mAsecInternalPath); 15382 } 15383 15384 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 15385 PackageManagerException { 15386 if (copyRet < 0) { 15387 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 15388 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 15389 throw new PackageManagerException(copyRet, message); 15390 } 15391 } 15392 } 15393 15394 /** 15395 * Extract the StorageManagerService "container ID" from the full code path of an 15396 * .apk. 15397 */ 15398 static String cidFromCodePath(String fullCodePath) { 15399 int eidx = fullCodePath.lastIndexOf("/"); 15400 String subStr1 = fullCodePath.substring(0, eidx); 15401 int sidx = subStr1.lastIndexOf("/"); 15402 return subStr1.substring(sidx+1, eidx); 15403 } 15404 15405 /** 15406 * Logic to handle installation of ASEC applications, including copying and 15407 * renaming logic. 15408 */ 15409 class AsecInstallArgs extends InstallArgs { 15410 static final String RES_FILE_NAME = "pkg.apk"; 15411 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 15412 15413 String cid; 15414 String packagePath; 15415 String resourcePath; 15416 15417 /** New install */ 15418 AsecInstallArgs(InstallParams params) { 15419 super(params.origin, params.move, params.observer, params.installFlags, 15420 params.installerPackageName, params.volumeUuid, 15421 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 15422 params.grantedRuntimePermissions, 15423 params.traceMethod, params.traceCookie, params.certificates, 15424 params.installReason); 15425 } 15426 15427 /** Existing install */ 15428 AsecInstallArgs(String fullCodePath, String[] instructionSets, 15429 boolean isExternal, boolean isForwardLocked) { 15430 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 15431 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 15432 instructionSets, null, null, null, 0, null /*certificates*/, 15433 PackageManager.INSTALL_REASON_UNKNOWN); 15434 // Hackily pretend we're still looking at a full code path 15435 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 15436 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 15437 } 15438 15439 // Extract cid from fullCodePath 15440 int eidx = fullCodePath.lastIndexOf("/"); 15441 String subStr1 = fullCodePath.substring(0, eidx); 15442 int sidx = subStr1.lastIndexOf("/"); 15443 cid = subStr1.substring(sidx+1, eidx); 15444 setMountPath(subStr1); 15445 } 15446 15447 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 15448 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 15449 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 15450 instructionSets, null, null, null, 0, null /*certificates*/, 15451 PackageManager.INSTALL_REASON_UNKNOWN); 15452 this.cid = cid; 15453 setMountPath(PackageHelper.getSdDir(cid)); 15454 } 15455 15456 void createCopyFile() { 15457 cid = mInstallerService.allocateExternalStageCidLegacy(); 15458 } 15459 15460 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 15461 if (origin.staged && origin.cid != null) { 15462 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 15463 cid = origin.cid; 15464 setMountPath(PackageHelper.getSdDir(cid)); 15465 return PackageManager.INSTALL_SUCCEEDED; 15466 } 15467 15468 if (temp) { 15469 createCopyFile(); 15470 } else { 15471 /* 15472 * Pre-emptively destroy the container since it's destroyed if 15473 * copying fails due to it existing anyway. 15474 */ 15475 PackageHelper.destroySdDir(cid); 15476 } 15477 15478 final String newMountPath = imcs.copyPackageToContainer( 15479 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 15480 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 15481 15482 if (newMountPath != null) { 15483 setMountPath(newMountPath); 15484 return PackageManager.INSTALL_SUCCEEDED; 15485 } else { 15486 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15487 } 15488 } 15489 15490 @Override 15491 String getCodePath() { 15492 return packagePath; 15493 } 15494 15495 @Override 15496 String getResourcePath() { 15497 return resourcePath; 15498 } 15499 15500 int doPreInstall(int status) { 15501 if (status != PackageManager.INSTALL_SUCCEEDED) { 15502 // Destroy container 15503 PackageHelper.destroySdDir(cid); 15504 } else { 15505 boolean mounted = PackageHelper.isContainerMounted(cid); 15506 if (!mounted) { 15507 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 15508 Process.SYSTEM_UID); 15509 if (newMountPath != null) { 15510 setMountPath(newMountPath); 15511 } else { 15512 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15513 } 15514 } 15515 } 15516 return status; 15517 } 15518 15519 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 15520 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 15521 String newMountPath = null; 15522 if (PackageHelper.isContainerMounted(cid)) { 15523 // Unmount the container 15524 if (!PackageHelper.unMountSdDir(cid)) { 15525 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 15526 return false; 15527 } 15528 } 15529 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 15530 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 15531 " which might be stale. Will try to clean up."); 15532 // Clean up the stale container and proceed to recreate. 15533 if (!PackageHelper.destroySdDir(newCacheId)) { 15534 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 15535 return false; 15536 } 15537 // Successfully cleaned up stale container. Try to rename again. 15538 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 15539 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 15540 + " inspite of cleaning it up."); 15541 return false; 15542 } 15543 } 15544 if (!PackageHelper.isContainerMounted(newCacheId)) { 15545 Slog.w(TAG, "Mounting container " + newCacheId); 15546 newMountPath = PackageHelper.mountSdDir(newCacheId, 15547 getEncryptKey(), Process.SYSTEM_UID); 15548 } else { 15549 newMountPath = PackageHelper.getSdDir(newCacheId); 15550 } 15551 if (newMountPath == null) { 15552 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 15553 return false; 15554 } 15555 Log.i(TAG, "Succesfully renamed " + cid + 15556 " to " + newCacheId + 15557 " at new path: " + newMountPath); 15558 cid = newCacheId; 15559 15560 final File beforeCodeFile = new File(packagePath); 15561 setMountPath(newMountPath); 15562 final File afterCodeFile = new File(packagePath); 15563 15564 // Reflect the rename in scanned details 15565 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 15566 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 15567 afterCodeFile, pkg.baseCodePath)); 15568 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 15569 afterCodeFile, pkg.splitCodePaths)); 15570 15571 // Reflect the rename in app info 15572 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15573 pkg.setApplicationInfoCodePath(pkg.codePath); 15574 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15575 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15576 pkg.setApplicationInfoResourcePath(pkg.codePath); 15577 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15578 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15579 15580 return true; 15581 } 15582 15583 private void setMountPath(String mountPath) { 15584 final File mountFile = new File(mountPath); 15585 15586 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 15587 if (monolithicFile.exists()) { 15588 packagePath = monolithicFile.getAbsolutePath(); 15589 if (isFwdLocked()) { 15590 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 15591 } else { 15592 resourcePath = packagePath; 15593 } 15594 } else { 15595 packagePath = mountFile.getAbsolutePath(); 15596 resourcePath = packagePath; 15597 } 15598 } 15599 15600 int doPostInstall(int status, int uid) { 15601 if (status != PackageManager.INSTALL_SUCCEEDED) { 15602 cleanUp(); 15603 } else { 15604 final int groupOwner; 15605 final String protectedFile; 15606 if (isFwdLocked()) { 15607 groupOwner = UserHandle.getSharedAppGid(uid); 15608 protectedFile = RES_FILE_NAME; 15609 } else { 15610 groupOwner = -1; 15611 protectedFile = null; 15612 } 15613 15614 if (uid < Process.FIRST_APPLICATION_UID 15615 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 15616 Slog.e(TAG, "Failed to finalize " + cid); 15617 PackageHelper.destroySdDir(cid); 15618 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15619 } 15620 15621 boolean mounted = PackageHelper.isContainerMounted(cid); 15622 if (!mounted) { 15623 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 15624 } 15625 } 15626 return status; 15627 } 15628 15629 private void cleanUp() { 15630 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 15631 15632 // Destroy secure container 15633 PackageHelper.destroySdDir(cid); 15634 } 15635 15636 private List<String> getAllCodePaths() { 15637 final File codeFile = new File(getCodePath()); 15638 if (codeFile != null && codeFile.exists()) { 15639 try { 15640 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 15641 return pkg.getAllCodePaths(); 15642 } catch (PackageParserException e) { 15643 // Ignored; we tried our best 15644 } 15645 } 15646 return Collections.EMPTY_LIST; 15647 } 15648 15649 void cleanUpResourcesLI() { 15650 // Enumerate all code paths before deleting 15651 cleanUpResourcesLI(getAllCodePaths()); 15652 } 15653 15654 private void cleanUpResourcesLI(List<String> allCodePaths) { 15655 cleanUp(); 15656 removeDexFiles(allCodePaths, instructionSets); 15657 } 15658 15659 String getPackageName() { 15660 return getAsecPackageName(cid); 15661 } 15662 15663 boolean doPostDeleteLI(boolean delete) { 15664 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 15665 final List<String> allCodePaths = getAllCodePaths(); 15666 boolean mounted = PackageHelper.isContainerMounted(cid); 15667 if (mounted) { 15668 // Unmount first 15669 if (PackageHelper.unMountSdDir(cid)) { 15670 mounted = false; 15671 } 15672 } 15673 if (!mounted && delete) { 15674 cleanUpResourcesLI(allCodePaths); 15675 } 15676 return !mounted; 15677 } 15678 15679 @Override 15680 int doPreCopy() { 15681 if (isFwdLocked()) { 15682 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 15683 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 15684 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15685 } 15686 } 15687 15688 return PackageManager.INSTALL_SUCCEEDED; 15689 } 15690 15691 @Override 15692 int doPostCopy(int uid) { 15693 if (isFwdLocked()) { 15694 if (uid < Process.FIRST_APPLICATION_UID 15695 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 15696 RES_FILE_NAME)) { 15697 Slog.e(TAG, "Failed to finalize " + cid); 15698 PackageHelper.destroySdDir(cid); 15699 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 15700 } 15701 } 15702 15703 return PackageManager.INSTALL_SUCCEEDED; 15704 } 15705 } 15706 15707 /** 15708 * Logic to handle movement of existing installed applications. 15709 */ 15710 class MoveInstallArgs extends InstallArgs { 15711 private File codeFile; 15712 private File resourceFile; 15713 15714 /** New install */ 15715 MoveInstallArgs(InstallParams params) { 15716 super(params.origin, params.move, params.observer, params.installFlags, 15717 params.installerPackageName, params.volumeUuid, 15718 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 15719 params.grantedRuntimePermissions, 15720 params.traceMethod, params.traceCookie, params.certificates, 15721 params.installReason); 15722 } 15723 15724 int copyApk(IMediaContainerService imcs, boolean temp) { 15725 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 15726 + move.fromUuid + " to " + move.toUuid); 15727 synchronized (mInstaller) { 15728 try { 15729 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 15730 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 15731 } catch (InstallerException e) { 15732 Slog.w(TAG, "Failed to move app", e); 15733 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 15734 } 15735 } 15736 15737 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 15738 resourceFile = codeFile; 15739 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 15740 15741 return PackageManager.INSTALL_SUCCEEDED; 15742 } 15743 15744 int doPreInstall(int status) { 15745 if (status != PackageManager.INSTALL_SUCCEEDED) { 15746 cleanUp(move.toUuid); 15747 } 15748 return status; 15749 } 15750 15751 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 15752 if (status != PackageManager.INSTALL_SUCCEEDED) { 15753 cleanUp(move.toUuid); 15754 return false; 15755 } 15756 15757 // Reflect the move in app info 15758 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15759 pkg.setApplicationInfoCodePath(pkg.codePath); 15760 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15761 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15762 pkg.setApplicationInfoResourcePath(pkg.codePath); 15763 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15764 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15765 15766 return true; 15767 } 15768 15769 int doPostInstall(int status, int uid) { 15770 if (status == PackageManager.INSTALL_SUCCEEDED) { 15771 cleanUp(move.fromUuid); 15772 } else { 15773 cleanUp(move.toUuid); 15774 } 15775 return status; 15776 } 15777 15778 @Override 15779 String getCodePath() { 15780 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 15781 } 15782 15783 @Override 15784 String getResourcePath() { 15785 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 15786 } 15787 15788 private boolean cleanUp(String volumeUuid) { 15789 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 15790 move.dataAppName); 15791 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 15792 final int[] userIds = sUserManager.getUserIds(); 15793 synchronized (mInstallLock) { 15794 // Clean up both app data and code 15795 // All package moves are frozen until finished 15796 for (int userId : userIds) { 15797 try { 15798 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 15799 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 15800 } catch (InstallerException e) { 15801 Slog.w(TAG, String.valueOf(e)); 15802 } 15803 } 15804 removeCodePathLI(codeFile); 15805 } 15806 return true; 15807 } 15808 15809 void cleanUpResourcesLI() { 15810 throw new UnsupportedOperationException(); 15811 } 15812 15813 boolean doPostDeleteLI(boolean delete) { 15814 throw new UnsupportedOperationException(); 15815 } 15816 } 15817 15818 static String getAsecPackageName(String packageCid) { 15819 int idx = packageCid.lastIndexOf("-"); 15820 if (idx == -1) { 15821 return packageCid; 15822 } 15823 return packageCid.substring(0, idx); 15824 } 15825 15826 // Utility method used to create code paths based on package name and available index. 15827 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 15828 String idxStr = ""; 15829 int idx = 1; 15830 // Fall back to default value of idx=1 if prefix is not 15831 // part of oldCodePath 15832 if (oldCodePath != null) { 15833 String subStr = oldCodePath; 15834 // Drop the suffix right away 15835 if (suffix != null && subStr.endsWith(suffix)) { 15836 subStr = subStr.substring(0, subStr.length() - suffix.length()); 15837 } 15838 // If oldCodePath already contains prefix find out the 15839 // ending index to either increment or decrement. 15840 int sidx = subStr.lastIndexOf(prefix); 15841 if (sidx != -1) { 15842 subStr = subStr.substring(sidx + prefix.length()); 15843 if (subStr != null) { 15844 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 15845 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 15846 } 15847 try { 15848 idx = Integer.parseInt(subStr); 15849 if (idx <= 1) { 15850 idx++; 15851 } else { 15852 idx--; 15853 } 15854 } catch(NumberFormatException e) { 15855 } 15856 } 15857 } 15858 } 15859 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 15860 return prefix + idxStr; 15861 } 15862 15863 private File getNextCodePath(File targetDir, String packageName) { 15864 File result; 15865 SecureRandom random = new SecureRandom(); 15866 byte[] bytes = new byte[16]; 15867 do { 15868 random.nextBytes(bytes); 15869 String suffix = Base64.encodeToString(bytes, Base64.URL_SAFE | Base64.NO_WRAP); 15870 result = new File(targetDir, packageName + "-" + suffix); 15871 } while (result.exists()); 15872 return result; 15873 } 15874 15875 // Utility method that returns the relative package path with respect 15876 // to the installation directory. Like say for /data/data/com.test-1.apk 15877 // string com.test-1 is returned. 15878 static String deriveCodePathName(String codePath) { 15879 if (codePath == null) { 15880 return null; 15881 } 15882 final File codeFile = new File(codePath); 15883 final String name = codeFile.getName(); 15884 if (codeFile.isDirectory()) { 15885 return name; 15886 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 15887 final int lastDot = name.lastIndexOf('.'); 15888 return name.substring(0, lastDot); 15889 } else { 15890 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 15891 return null; 15892 } 15893 } 15894 15895 static class PackageInstalledInfo { 15896 String name; 15897 int uid; 15898 // The set of users that originally had this package installed. 15899 int[] origUsers; 15900 // The set of users that now have this package installed. 15901 int[] newUsers; 15902 PackageParser.Package pkg; 15903 int returnCode; 15904 String returnMsg; 15905 PackageRemovedInfo removedInfo; 15906 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 15907 15908 public void setError(int code, String msg) { 15909 setReturnCode(code); 15910 setReturnMessage(msg); 15911 Slog.w(TAG, msg); 15912 } 15913 15914 public void setError(String msg, PackageParserException e) { 15915 setReturnCode(e.error); 15916 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 15917 Slog.w(TAG, msg, e); 15918 } 15919 15920 public void setError(String msg, PackageManagerException e) { 15921 returnCode = e.error; 15922 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 15923 Slog.w(TAG, msg, e); 15924 } 15925 15926 public void setReturnCode(int returnCode) { 15927 this.returnCode = returnCode; 15928 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 15929 for (int i = 0; i < childCount; i++) { 15930 addedChildPackages.valueAt(i).returnCode = returnCode; 15931 } 15932 } 15933 15934 private void setReturnMessage(String returnMsg) { 15935 this.returnMsg = returnMsg; 15936 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 15937 for (int i = 0; i < childCount; i++) { 15938 addedChildPackages.valueAt(i).returnMsg = returnMsg; 15939 } 15940 } 15941 15942 // In some error cases we want to convey more info back to the observer 15943 String origPackage; 15944 String origPermission; 15945 } 15946 15947 /* 15948 * Install a non-existing package. 15949 */ 15950 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 15951 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 15952 PackageInstalledInfo res, int installReason) { 15953 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 15954 15955 // Remember this for later, in case we need to rollback this install 15956 String pkgName = pkg.packageName; 15957 15958 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 15959 15960 synchronized(mPackages) { 15961 final String renamedPackage = mSettings.getRenamedPackageLPr(pkgName); 15962 if (renamedPackage != null) { 15963 // A package with the same name is already installed, though 15964 // it has been renamed to an older name. The package we 15965 // are trying to install should be installed as an update to 15966 // the existing one, but that has not been requested, so bail. 15967 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 15968 + " without first uninstalling package running as " 15969 + renamedPackage); 15970 return; 15971 } 15972 if (mPackages.containsKey(pkgName)) { 15973 // Don't allow installation over an existing package with the same name. 15974 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 15975 + " without first uninstalling."); 15976 return; 15977 } 15978 } 15979 15980 try { 15981 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 15982 System.currentTimeMillis(), user); 15983 15984 updateSettingsLI(newPackage, installerPackageName, null, res, user, installReason); 15985 15986 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 15987 prepareAppDataAfterInstallLIF(newPackage); 15988 15989 } else { 15990 // Remove package from internal structures, but keep around any 15991 // data that might have already existed 15992 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 15993 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 15994 } 15995 } catch (PackageManagerException e) { 15996 res.setError("Package couldn't be installed in " + pkg.codePath, e); 15997 } 15998 15999 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16000 } 16001 16002 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 16003 // Can't rotate keys during boot or if sharedUser. 16004 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 16005 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 16006 return false; 16007 } 16008 // app is using upgradeKeySets; make sure all are valid 16009 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16010 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 16011 for (int i = 0; i < upgradeKeySets.length; i++) { 16012 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 16013 Slog.wtf(TAG, "Package " 16014 + (oldPs.name != null ? oldPs.name : "<null>") 16015 + " contains upgrade-key-set reference to unknown key-set: " 16016 + upgradeKeySets[i] 16017 + " reverting to signatures check."); 16018 return false; 16019 } 16020 } 16021 return true; 16022 } 16023 16024 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 16025 // Upgrade keysets are being used. Determine if new package has a superset of the 16026 // required keys. 16027 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 16028 KeySetManagerService ksms = mSettings.mKeySetManagerService; 16029 for (int i = 0; i < upgradeKeySets.length; i++) { 16030 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 16031 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 16032 return true; 16033 } 16034 } 16035 return false; 16036 } 16037 16038 private static void updateDigest(MessageDigest digest, File file) throws IOException { 16039 try (DigestInputStream digestStream = 16040 new DigestInputStream(new FileInputStream(file), digest)) { 16041 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 16042 } 16043 } 16044 16045 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 16046 UserHandle user, String installerPackageName, PackageInstalledInfo res, 16047 int installReason) { 16048 final boolean isInstantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 16049 16050 final PackageParser.Package oldPackage; 16051 final String pkgName = pkg.packageName; 16052 final int[] allUsers; 16053 final int[] installedUsers; 16054 16055 synchronized(mPackages) { 16056 oldPackage = mPackages.get(pkgName); 16057 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 16058 16059 // don't allow upgrade to target a release SDK from a pre-release SDK 16060 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 16061 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 16062 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 16063 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 16064 if (oldTargetsPreRelease 16065 && !newTargetsPreRelease 16066 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 16067 Slog.w(TAG, "Can't install package targeting released sdk"); 16068 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 16069 return; 16070 } 16071 16072 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16073 16074 // verify signatures are valid 16075 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 16076 if (!checkUpgradeKeySetLP(ps, pkg)) { 16077 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 16078 "New package not signed by keys specified by upgrade-keysets: " 16079 + pkgName); 16080 return; 16081 } 16082 } else { 16083 // default to original signature matching 16084 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 16085 != PackageManager.SIGNATURE_MATCH) { 16086 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 16087 "New package has a different signature: " + pkgName); 16088 return; 16089 } 16090 } 16091 16092 // don't allow a system upgrade unless the upgrade hash matches 16093 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystemApp()) { 16094 byte[] digestBytes = null; 16095 try { 16096 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 16097 updateDigest(digest, new File(pkg.baseCodePath)); 16098 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 16099 for (String path : pkg.splitCodePaths) { 16100 updateDigest(digest, new File(path)); 16101 } 16102 } 16103 digestBytes = digest.digest(); 16104 } catch (NoSuchAlgorithmException | IOException e) { 16105 res.setError(INSTALL_FAILED_INVALID_APK, 16106 "Could not compute hash: " + pkgName); 16107 return; 16108 } 16109 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 16110 res.setError(INSTALL_FAILED_INVALID_APK, 16111 "New package fails restrict-update check: " + pkgName); 16112 return; 16113 } 16114 // retain upgrade restriction 16115 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 16116 } 16117 16118 // Check for shared user id changes 16119 String invalidPackageName = 16120 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 16121 if (invalidPackageName != null) { 16122 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 16123 "Package " + invalidPackageName + " tried to change user " 16124 + oldPackage.mSharedUserId); 16125 return; 16126 } 16127 16128 // In case of rollback, remember per-user/profile install state 16129 allUsers = sUserManager.getUserIds(); 16130 installedUsers = ps.queryInstalledUsers(allUsers, true); 16131 16132 // don't allow an upgrade from full to ephemeral 16133 if (isInstantApp) { 16134 if (user == null || user.getIdentifier() == UserHandle.USER_ALL) { 16135 for (int currentUser : allUsers) { 16136 if (!ps.getInstantApp(currentUser)) { 16137 // can't downgrade from full to instant 16138 Slog.w(TAG, "Can't replace full app with instant app: " + pkgName 16139 + " for user: " + currentUser); 16140 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 16141 return; 16142 } 16143 } 16144 } else if (!ps.getInstantApp(user.getIdentifier())) { 16145 // can't downgrade from full to instant 16146 Slog.w(TAG, "Can't replace full app with instant app: " + pkgName 16147 + " for user: " + user.getIdentifier()); 16148 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 16149 return; 16150 } 16151 } 16152 } 16153 16154 // Update what is removed 16155 res.removedInfo = new PackageRemovedInfo(this); 16156 res.removedInfo.uid = oldPackage.applicationInfo.uid; 16157 res.removedInfo.removedPackage = oldPackage.packageName; 16158 res.removedInfo.isStaticSharedLib = pkg.staticSharedLibName != null; 16159 res.removedInfo.isUpdate = true; 16160 res.removedInfo.origUsers = installedUsers; 16161 final PackageSetting ps = mSettings.getPackageLPr(pkgName); 16162 res.removedInfo.installReasons = new SparseArray<>(installedUsers.length); 16163 for (int i = 0; i < installedUsers.length; i++) { 16164 final int userId = installedUsers[i]; 16165 res.removedInfo.installReasons.put(userId, ps.getInstallReason(userId)); 16166 } 16167 16168 final int childCount = (oldPackage.childPackages != null) 16169 ? oldPackage.childPackages.size() : 0; 16170 for (int i = 0; i < childCount; i++) { 16171 boolean childPackageUpdated = false; 16172 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 16173 final PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 16174 if (res.addedChildPackages != null) { 16175 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 16176 if (childRes != null) { 16177 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 16178 childRes.removedInfo.removedPackage = childPkg.packageName; 16179 childRes.removedInfo.isUpdate = true; 16180 childRes.removedInfo.installReasons = res.removedInfo.installReasons; 16181 childPackageUpdated = true; 16182 } 16183 } 16184 if (!childPackageUpdated) { 16185 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(this); 16186 childRemovedRes.removedPackage = childPkg.packageName; 16187 childRemovedRes.isUpdate = false; 16188 childRemovedRes.dataRemoved = true; 16189 synchronized (mPackages) { 16190 if (childPs != null) { 16191 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 16192 } 16193 } 16194 if (res.removedInfo.removedChildPackages == null) { 16195 res.removedInfo.removedChildPackages = new ArrayMap<>(); 16196 } 16197 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 16198 } 16199 } 16200 16201 boolean sysPkg = (isSystemApp(oldPackage)); 16202 if (sysPkg) { 16203 // Set the system/privileged flags as needed 16204 final boolean privileged = 16205 (oldPackage.applicationInfo.privateFlags 16206 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 16207 final int systemPolicyFlags = policyFlags 16208 | PackageParser.PARSE_IS_SYSTEM 16209 | (privileged ? PackageParser.PARSE_IS_PRIVILEGED : 0); 16210 16211 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 16212 user, allUsers, installerPackageName, res, installReason); 16213 } else { 16214 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 16215 user, allUsers, installerPackageName, res, installReason); 16216 } 16217 } 16218 16219 public List<String> getPreviousCodePaths(String packageName) { 16220 final PackageSetting ps = mSettings.mPackages.get(packageName); 16221 final List<String> result = new ArrayList<String>(); 16222 if (ps != null && ps.oldCodePaths != null) { 16223 result.addAll(ps.oldCodePaths); 16224 } 16225 return result; 16226 } 16227 16228 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 16229 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 16230 int[] allUsers, String installerPackageName, PackageInstalledInfo res, 16231 int installReason) { 16232 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 16233 + deletedPackage); 16234 16235 String pkgName = deletedPackage.packageName; 16236 boolean deletedPkg = true; 16237 boolean addedPkg = false; 16238 boolean updatedSettings = false; 16239 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 16240 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 16241 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 16242 16243 final long origUpdateTime = (pkg.mExtras != null) 16244 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 16245 16246 // First delete the existing package while retaining the data directory 16247 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 16248 res.removedInfo, true, pkg)) { 16249 // If the existing package wasn't successfully deleted 16250 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 16251 deletedPkg = false; 16252 } else { 16253 // Successfully deleted the old package; proceed with replace. 16254 16255 // If deleted package lived in a container, give users a chance to 16256 // relinquish resources before killing. 16257 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 16258 if (DEBUG_INSTALL) { 16259 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 16260 } 16261 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 16262 final ArrayList<String> pkgList = new ArrayList<String>(1); 16263 pkgList.add(deletedPackage.applicationInfo.packageName); 16264 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 16265 } 16266 16267 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 16268 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16269 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 16270 16271 try { 16272 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 16273 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 16274 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 16275 installReason); 16276 16277 // Update the in-memory copy of the previous code paths. 16278 PackageSetting ps = mSettings.mPackages.get(pkgName); 16279 if (!killApp) { 16280 if (ps.oldCodePaths == null) { 16281 ps.oldCodePaths = new ArraySet<>(); 16282 } 16283 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 16284 if (deletedPackage.splitCodePaths != null) { 16285 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 16286 } 16287 } else { 16288 ps.oldCodePaths = null; 16289 } 16290 if (ps.childPackageNames != null) { 16291 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 16292 final String childPkgName = ps.childPackageNames.get(i); 16293 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 16294 childPs.oldCodePaths = ps.oldCodePaths; 16295 } 16296 } 16297 // set instant app status, but, only if it's explicitly specified 16298 final boolean instantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 16299 final boolean fullApp = (scanFlags & SCAN_AS_FULL_APP) != 0; 16300 setInstantAppForUser(ps, user.getIdentifier(), instantApp, fullApp); 16301 prepareAppDataAfterInstallLIF(newPackage); 16302 addedPkg = true; 16303 mDexManager.notifyPackageUpdated(newPackage.packageName, 16304 newPackage.baseCodePath, newPackage.splitCodePaths); 16305 } catch (PackageManagerException e) { 16306 res.setError("Package couldn't be installed in " + pkg.codePath, e); 16307 } 16308 } 16309 16310 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 16311 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 16312 16313 // Revert all internal state mutations and added folders for the failed install 16314 if (addedPkg) { 16315 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 16316 res.removedInfo, true, null); 16317 } 16318 16319 // Restore the old package 16320 if (deletedPkg) { 16321 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 16322 File restoreFile = new File(deletedPackage.codePath); 16323 // Parse old package 16324 boolean oldExternal = isExternal(deletedPackage); 16325 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 16326 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 16327 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 16328 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 16329 try { 16330 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 16331 null); 16332 } catch (PackageManagerException e) { 16333 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 16334 + e.getMessage()); 16335 return; 16336 } 16337 16338 synchronized (mPackages) { 16339 // Ensure the installer package name up to date 16340 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 16341 16342 // Update permissions for restored package 16343 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 16344 16345 mSettings.writeLPr(); 16346 } 16347 16348 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 16349 } 16350 } else { 16351 synchronized (mPackages) { 16352 PackageSetting ps = mSettings.getPackageLPr(pkg.packageName); 16353 if (ps != null) { 16354 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16355 if (res.removedInfo.removedChildPackages != null) { 16356 final int childCount = res.removedInfo.removedChildPackages.size(); 16357 // Iterate in reverse as we may modify the collection 16358 for (int i = childCount - 1; i >= 0; i--) { 16359 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 16360 if (res.addedChildPackages.containsKey(childPackageName)) { 16361 res.removedInfo.removedChildPackages.removeAt(i); 16362 } else { 16363 PackageRemovedInfo childInfo = res.removedInfo 16364 .removedChildPackages.valueAt(i); 16365 childInfo.removedForAllUsers = mPackages.get( 16366 childInfo.removedPackage) == null; 16367 } 16368 } 16369 } 16370 } 16371 } 16372 } 16373 } 16374 16375 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 16376 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 16377 int[] allUsers, String installerPackageName, PackageInstalledInfo res, 16378 int installReason) { 16379 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 16380 + ", old=" + deletedPackage); 16381 16382 final boolean disabledSystem; 16383 16384 // Remove existing system package 16385 removePackageLI(deletedPackage, true); 16386 16387 synchronized (mPackages) { 16388 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 16389 } 16390 if (!disabledSystem) { 16391 // We didn't need to disable the .apk as a current system package, 16392 // which means we are replacing another update that is already 16393 // installed. We need to make sure to delete the older one's .apk. 16394 res.removedInfo.args = createInstallArgsForExisting(0, 16395 deletedPackage.applicationInfo.getCodePath(), 16396 deletedPackage.applicationInfo.getResourcePath(), 16397 getAppDexInstructionSets(deletedPackage.applicationInfo)); 16398 } else { 16399 res.removedInfo.args = null; 16400 } 16401 16402 // Successfully disabled the old package. Now proceed with re-installation 16403 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 16404 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16405 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 16406 16407 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16408 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 16409 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 16410 16411 PackageParser.Package newPackage = null; 16412 try { 16413 // Add the package to the internal data structures 16414 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 16415 16416 // Set the update and install times 16417 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 16418 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 16419 System.currentTimeMillis()); 16420 16421 // Update the package dynamic state if succeeded 16422 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 16423 // Now that the install succeeded make sure we remove data 16424 // directories for any child package the update removed. 16425 final int deletedChildCount = (deletedPackage.childPackages != null) 16426 ? deletedPackage.childPackages.size() : 0; 16427 final int newChildCount = (newPackage.childPackages != null) 16428 ? newPackage.childPackages.size() : 0; 16429 for (int i = 0; i < deletedChildCount; i++) { 16430 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 16431 boolean childPackageDeleted = true; 16432 for (int j = 0; j < newChildCount; j++) { 16433 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 16434 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 16435 childPackageDeleted = false; 16436 break; 16437 } 16438 } 16439 if (childPackageDeleted) { 16440 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 16441 deletedChildPkg.packageName); 16442 if (ps != null && res.removedInfo.removedChildPackages != null) { 16443 PackageRemovedInfo removedChildRes = res.removedInfo 16444 .removedChildPackages.get(deletedChildPkg.packageName); 16445 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 16446 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 16447 } 16448 } 16449 } 16450 16451 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 16452 installReason); 16453 prepareAppDataAfterInstallLIF(newPackage); 16454 16455 mDexManager.notifyPackageUpdated(newPackage.packageName, 16456 newPackage.baseCodePath, newPackage.splitCodePaths); 16457 } 16458 } catch (PackageManagerException e) { 16459 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 16460 res.setError("Package couldn't be installed in " + pkg.codePath, e); 16461 } 16462 16463 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 16464 // Re installation failed. Restore old information 16465 // Remove new pkg information 16466 if (newPackage != null) { 16467 removeInstalledPackageLI(newPackage, true); 16468 } 16469 // Add back the old system package 16470 try { 16471 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 16472 } catch (PackageManagerException e) { 16473 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 16474 } 16475 16476 synchronized (mPackages) { 16477 if (disabledSystem) { 16478 enableSystemPackageLPw(deletedPackage); 16479 } 16480 16481 // Ensure the installer package name up to date 16482 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 16483 16484 // Update permissions for restored package 16485 updatePermissionsLPw(deletedPackage, UPDATE_PERMISSIONS_ALL); 16486 16487 mSettings.writeLPr(); 16488 } 16489 16490 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 16491 + " after failed upgrade"); 16492 } 16493 } 16494 16495 /** 16496 * Checks whether the parent or any of the child packages have a change shared 16497 * user. For a package to be a valid update the shred users of the parent and 16498 * the children should match. We may later support changing child shared users. 16499 * @param oldPkg The updated package. 16500 * @param newPkg The update package. 16501 * @return The shared user that change between the versions. 16502 */ 16503 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 16504 PackageParser.Package newPkg) { 16505 // Check parent shared user 16506 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 16507 return newPkg.packageName; 16508 } 16509 // Check child shared users 16510 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 16511 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 16512 for (int i = 0; i < newChildCount; i++) { 16513 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 16514 // If this child was present, did it have the same shared user? 16515 for (int j = 0; j < oldChildCount; j++) { 16516 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 16517 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 16518 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 16519 return newChildPkg.packageName; 16520 } 16521 } 16522 } 16523 return null; 16524 } 16525 16526 private void removeNativeBinariesLI(PackageSetting ps) { 16527 // Remove the lib path for the parent package 16528 if (ps != null) { 16529 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 16530 // Remove the lib path for the child packages 16531 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 16532 for (int i = 0; i < childCount; i++) { 16533 PackageSetting childPs = null; 16534 synchronized (mPackages) { 16535 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 16536 } 16537 if (childPs != null) { 16538 NativeLibraryHelper.removeNativeBinariesLI(childPs 16539 .legacyNativeLibraryPathString); 16540 } 16541 } 16542 } 16543 } 16544 16545 private void enableSystemPackageLPw(PackageParser.Package pkg) { 16546 // Enable the parent package 16547 mSettings.enableSystemPackageLPw(pkg.packageName); 16548 // Enable the child packages 16549 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16550 for (int i = 0; i < childCount; i++) { 16551 PackageParser.Package childPkg = pkg.childPackages.get(i); 16552 mSettings.enableSystemPackageLPw(childPkg.packageName); 16553 } 16554 } 16555 16556 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 16557 PackageParser.Package newPkg) { 16558 // Disable the parent package (parent always replaced) 16559 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 16560 // Disable the child packages 16561 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 16562 for (int i = 0; i < childCount; i++) { 16563 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 16564 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 16565 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 16566 } 16567 return disabled; 16568 } 16569 16570 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 16571 String installerPackageName) { 16572 // Enable the parent package 16573 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 16574 // Enable the child packages 16575 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16576 for (int i = 0; i < childCount; i++) { 16577 PackageParser.Package childPkg = pkg.childPackages.get(i); 16578 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 16579 } 16580 } 16581 16582 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 16583 // Collect all used permissions in the UID 16584 ArraySet<String> usedPermissions = new ArraySet<>(); 16585 final int packageCount = su.packages.size(); 16586 for (int i = 0; i < packageCount; i++) { 16587 PackageSetting ps = su.packages.valueAt(i); 16588 if (ps.pkg == null) { 16589 continue; 16590 } 16591 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 16592 for (int j = 0; j < requestedPermCount; j++) { 16593 String permission = ps.pkg.requestedPermissions.get(j); 16594 BasePermission bp = mSettings.mPermissions.get(permission); 16595 if (bp != null) { 16596 usedPermissions.add(permission); 16597 } 16598 } 16599 } 16600 16601 PermissionsState permissionsState = su.getPermissionsState(); 16602 // Prune install permissions 16603 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 16604 final int installPermCount = installPermStates.size(); 16605 for (int i = installPermCount - 1; i >= 0; i--) { 16606 PermissionState permissionState = installPermStates.get(i); 16607 if (!usedPermissions.contains(permissionState.getName())) { 16608 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 16609 if (bp != null) { 16610 permissionsState.revokeInstallPermission(bp); 16611 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 16612 PackageManager.MASK_PERMISSION_FLAGS, 0); 16613 } 16614 } 16615 } 16616 16617 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 16618 16619 // Prune runtime permissions 16620 for (int userId : allUserIds) { 16621 List<PermissionState> runtimePermStates = permissionsState 16622 .getRuntimePermissionStates(userId); 16623 final int runtimePermCount = runtimePermStates.size(); 16624 for (int i = runtimePermCount - 1; i >= 0; i--) { 16625 PermissionState permissionState = runtimePermStates.get(i); 16626 if (!usedPermissions.contains(permissionState.getName())) { 16627 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 16628 if (bp != null) { 16629 permissionsState.revokeRuntimePermission(bp, userId); 16630 permissionsState.updatePermissionFlags(bp, userId, 16631 PackageManager.MASK_PERMISSION_FLAGS, 0); 16632 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 16633 runtimePermissionChangedUserIds, userId); 16634 } 16635 } 16636 } 16637 } 16638 16639 return runtimePermissionChangedUserIds; 16640 } 16641 16642 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 16643 int[] allUsers, PackageInstalledInfo res, UserHandle user, int installReason) { 16644 // Update the parent package setting 16645 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 16646 res, user, installReason); 16647 // Update the child packages setting 16648 final int childCount = (newPackage.childPackages != null) 16649 ? newPackage.childPackages.size() : 0; 16650 for (int i = 0; i < childCount; i++) { 16651 PackageParser.Package childPackage = newPackage.childPackages.get(i); 16652 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 16653 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 16654 childRes.origUsers, childRes, user, installReason); 16655 } 16656 } 16657 16658 private void updateSettingsInternalLI(PackageParser.Package newPackage, 16659 String installerPackageName, int[] allUsers, int[] installedForUsers, 16660 PackageInstalledInfo res, UserHandle user, int installReason) { 16661 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 16662 16663 String pkgName = newPackage.packageName; 16664 synchronized (mPackages) { 16665 //write settings. the installStatus will be incomplete at this stage. 16666 //note that the new package setting would have already been 16667 //added to mPackages. It hasn't been persisted yet. 16668 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 16669 // TODO: Remove this write? It's also written at the end of this method 16670 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 16671 mSettings.writeLPr(); 16672 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16673 } 16674 16675 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 16676 synchronized (mPackages) { 16677 updatePermissionsLPw(newPackage.packageName, newPackage, 16678 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 16679 ? UPDATE_PERMISSIONS_ALL : 0)); 16680 // For system-bundled packages, we assume that installing an upgraded version 16681 // of the package implies that the user actually wants to run that new code, 16682 // so we enable the package. 16683 PackageSetting ps = mSettings.mPackages.get(pkgName); 16684 final int userId = user.getIdentifier(); 16685 if (ps != null) { 16686 if (isSystemApp(newPackage)) { 16687 if (DEBUG_INSTALL) { 16688 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 16689 } 16690 // Enable system package for requested users 16691 if (res.origUsers != null) { 16692 for (int origUserId : res.origUsers) { 16693 if (userId == UserHandle.USER_ALL || userId == origUserId) { 16694 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 16695 origUserId, installerPackageName); 16696 } 16697 } 16698 } 16699 // Also convey the prior install/uninstall state 16700 if (allUsers != null && installedForUsers != null) { 16701 for (int currentUserId : allUsers) { 16702 final boolean installed = ArrayUtils.contains( 16703 installedForUsers, currentUserId); 16704 if (DEBUG_INSTALL) { 16705 Slog.d(TAG, " user " + currentUserId + " => " + installed); 16706 } 16707 ps.setInstalled(installed, currentUserId); 16708 } 16709 // these install state changes will be persisted in the 16710 // upcoming call to mSettings.writeLPr(). 16711 } 16712 } 16713 // It's implied that when a user requests installation, they want the app to be 16714 // installed and enabled. 16715 if (userId != UserHandle.USER_ALL) { 16716 ps.setInstalled(true, userId); 16717 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 16718 } 16719 16720 // When replacing an existing package, preserve the original install reason for all 16721 // users that had the package installed before. 16722 final Set<Integer> previousUserIds = new ArraySet<>(); 16723 if (res.removedInfo != null && res.removedInfo.installReasons != null) { 16724 final int installReasonCount = res.removedInfo.installReasons.size(); 16725 for (int i = 0; i < installReasonCount; i++) { 16726 final int previousUserId = res.removedInfo.installReasons.keyAt(i); 16727 final int previousInstallReason = res.removedInfo.installReasons.valueAt(i); 16728 ps.setInstallReason(previousInstallReason, previousUserId); 16729 previousUserIds.add(previousUserId); 16730 } 16731 } 16732 16733 // Set install reason for users that are having the package newly installed. 16734 if (userId == UserHandle.USER_ALL) { 16735 for (int currentUserId : sUserManager.getUserIds()) { 16736 if (!previousUserIds.contains(currentUserId)) { 16737 ps.setInstallReason(installReason, currentUserId); 16738 } 16739 } 16740 } else if (!previousUserIds.contains(userId)) { 16741 ps.setInstallReason(installReason, userId); 16742 } 16743 mSettings.writeKernelMappingLPr(ps); 16744 } 16745 res.name = pkgName; 16746 res.uid = newPackage.applicationInfo.uid; 16747 res.pkg = newPackage; 16748 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 16749 mSettings.setInstallerPackageName(pkgName, installerPackageName); 16750 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16751 //to update install status 16752 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 16753 mSettings.writeLPr(); 16754 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16755 } 16756 16757 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16758 } 16759 16760 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 16761 try { 16762 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 16763 installPackageLI(args, res); 16764 } finally { 16765 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16766 } 16767 } 16768 16769 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 16770 final int installFlags = args.installFlags; 16771 final String installerPackageName = args.installerPackageName; 16772 final String volumeUuid = args.volumeUuid; 16773 final File tmpPackageFile = new File(args.getCodePath()); 16774 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 16775 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 16776 || (args.volumeUuid != null)); 16777 final boolean instantApp = ((installFlags & PackageManager.INSTALL_INSTANT_APP) != 0); 16778 final boolean fullApp = ((installFlags & PackageManager.INSTALL_FULL_APP) != 0); 16779 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 16780 boolean replace = false; 16781 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 16782 if (args.move != null) { 16783 // moving a complete application; perform an initial scan on the new install location 16784 scanFlags |= SCAN_INITIAL; 16785 } 16786 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 16787 scanFlags |= SCAN_DONT_KILL_APP; 16788 } 16789 if (instantApp) { 16790 scanFlags |= SCAN_AS_INSTANT_APP; 16791 } 16792 if (fullApp) { 16793 scanFlags |= SCAN_AS_FULL_APP; 16794 } 16795 16796 // Result object to be returned 16797 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16798 16799 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 16800 16801 // Sanity check 16802 if (instantApp && (forwardLocked || onExternal)) { 16803 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 16804 + " external=" + onExternal); 16805 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 16806 return; 16807 } 16808 16809 // Retrieve PackageSettings and parse package 16810 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 16811 | PackageParser.PARSE_ENFORCE_CODE 16812 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 16813 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 16814 | (instantApp ? PackageParser.PARSE_IS_EPHEMERAL : 0) 16815 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 16816 PackageParser pp = new PackageParser(); 16817 pp.setSeparateProcesses(mSeparateProcesses); 16818 pp.setDisplayMetrics(mMetrics); 16819 pp.setCallback(mPackageParserCallback); 16820 16821 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 16822 final PackageParser.Package pkg; 16823 try { 16824 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 16825 } catch (PackageParserException e) { 16826 res.setError("Failed parse during installPackageLI", e); 16827 return; 16828 } finally { 16829 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16830 } 16831 16832 // Instant apps must have target SDK >= O and have targetSanboxVersion >= 2 16833 if (instantApp && pkg.applicationInfo.targetSdkVersion <= Build.VERSION_CODES.N_MR1) { 16834 Slog.w(TAG, "Instant app package " + pkg.packageName 16835 + " does not target O, this will be a fatal error."); 16836 // STOPSHIP: Make this a fatal error 16837 pkg.applicationInfo.targetSdkVersion = Build.VERSION_CODES.O; 16838 } 16839 if (instantApp && pkg.applicationInfo.targetSandboxVersion != 2) { 16840 Slog.w(TAG, "Instant app package " + pkg.packageName 16841 + " does not target targetSandboxVersion 2, this will be a fatal error."); 16842 // STOPSHIP: Make this a fatal error 16843 pkg.applicationInfo.targetSandboxVersion = 2; 16844 } 16845 16846 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16847 // Static shared libraries have synthetic package names 16848 renameStaticSharedLibraryPackage(pkg); 16849 16850 // No static shared libs on external storage 16851 if (onExternal) { 16852 Slog.i(TAG, "Static shared libs can only be installed on internal storage."); 16853 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 16854 "Packages declaring static-shared libs cannot be updated"); 16855 return; 16856 } 16857 } 16858 16859 // If we are installing a clustered package add results for the children 16860 if (pkg.childPackages != null) { 16861 synchronized (mPackages) { 16862 final int childCount = pkg.childPackages.size(); 16863 for (int i = 0; i < childCount; i++) { 16864 PackageParser.Package childPkg = pkg.childPackages.get(i); 16865 PackageInstalledInfo childRes = new PackageInstalledInfo(); 16866 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16867 childRes.pkg = childPkg; 16868 childRes.name = childPkg.packageName; 16869 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 16870 if (childPs != null) { 16871 childRes.origUsers = childPs.queryInstalledUsers( 16872 sUserManager.getUserIds(), true); 16873 } 16874 if ((mPackages.containsKey(childPkg.packageName))) { 16875 childRes.removedInfo = new PackageRemovedInfo(this); 16876 childRes.removedInfo.removedPackage = childPkg.packageName; 16877 } 16878 if (res.addedChildPackages == null) { 16879 res.addedChildPackages = new ArrayMap<>(); 16880 } 16881 res.addedChildPackages.put(childPkg.packageName, childRes); 16882 } 16883 } 16884 } 16885 16886 // If package doesn't declare API override, mark that we have an install 16887 // time CPU ABI override. 16888 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 16889 pkg.cpuAbiOverride = args.abiOverride; 16890 } 16891 16892 String pkgName = res.name = pkg.packageName; 16893 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 16894 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 16895 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 16896 return; 16897 } 16898 } 16899 16900 try { 16901 // either use what we've been given or parse directly from the APK 16902 if (args.certificates != null) { 16903 try { 16904 PackageParser.populateCertificates(pkg, args.certificates); 16905 } catch (PackageParserException e) { 16906 // there was something wrong with the certificates we were given; 16907 // try to pull them from the APK 16908 PackageParser.collectCertificates(pkg, parseFlags); 16909 } 16910 } else { 16911 PackageParser.collectCertificates(pkg, parseFlags); 16912 } 16913 } catch (PackageParserException e) { 16914 res.setError("Failed collect during installPackageLI", e); 16915 return; 16916 } 16917 16918 // Get rid of all references to package scan path via parser. 16919 pp = null; 16920 String oldCodePath = null; 16921 boolean systemApp = false; 16922 synchronized (mPackages) { 16923 // Check if installing already existing package 16924 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 16925 String oldName = mSettings.getRenamedPackageLPr(pkgName); 16926 if (pkg.mOriginalPackages != null 16927 && pkg.mOriginalPackages.contains(oldName) 16928 && mPackages.containsKey(oldName)) { 16929 // This package is derived from an original package, 16930 // and this device has been updating from that original 16931 // name. We must continue using the original name, so 16932 // rename the new package here. 16933 pkg.setPackageName(oldName); 16934 pkgName = pkg.packageName; 16935 replace = true; 16936 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 16937 + oldName + " pkgName=" + pkgName); 16938 } else if (mPackages.containsKey(pkgName)) { 16939 // This package, under its official name, already exists 16940 // on the device; we should replace it. 16941 replace = true; 16942 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 16943 } 16944 16945 // Child packages are installed through the parent package 16946 if (pkg.parentPackage != null) { 16947 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 16948 "Package " + pkg.packageName + " is child of package " 16949 + pkg.parentPackage.parentPackage + ". Child packages " 16950 + "can be updated only through the parent package."); 16951 return; 16952 } 16953 16954 if (replace) { 16955 // Prevent apps opting out from runtime permissions 16956 PackageParser.Package oldPackage = mPackages.get(pkgName); 16957 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 16958 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 16959 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 16960 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 16961 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 16962 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 16963 + " doesn't support runtime permissions but the old" 16964 + " target SDK " + oldTargetSdk + " does."); 16965 return; 16966 } 16967 // Prevent apps from downgrading their targetSandbox. 16968 final int oldTargetSandbox = oldPackage.applicationInfo.targetSandboxVersion; 16969 final int newTargetSandbox = pkg.applicationInfo.targetSandboxVersion; 16970 if (oldTargetSandbox == 2 && newTargetSandbox != 2) { 16971 res.setError(PackageManager.INSTALL_FAILED_SANDBOX_VERSION_DOWNGRADE, 16972 "Package " + pkg.packageName + " new target sandbox " 16973 + newTargetSandbox + " is incompatible with the previous value of" 16974 + oldTargetSandbox + "."); 16975 return; 16976 } 16977 16978 // Prevent installing of child packages 16979 if (oldPackage.parentPackage != null) { 16980 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 16981 "Package " + pkg.packageName + " is child of package " 16982 + oldPackage.parentPackage + ". Child packages " 16983 + "can be updated only through the parent package."); 16984 return; 16985 } 16986 } 16987 } 16988 16989 PackageSetting ps = mSettings.mPackages.get(pkgName); 16990 if (ps != null) { 16991 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 16992 16993 // Static shared libs have same package with different versions where 16994 // we internally use a synthetic package name to allow multiple versions 16995 // of the same package, therefore we need to compare signatures against 16996 // the package setting for the latest library version. 16997 PackageSetting signatureCheckPs = ps; 16998 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16999 SharedLibraryEntry libraryEntry = getLatestSharedLibraVersionLPr(pkg); 17000 if (libraryEntry != null) { 17001 signatureCheckPs = mSettings.getPackageLPr(libraryEntry.apk); 17002 } 17003 } 17004 17005 // Quick sanity check that we're signed correctly if updating; 17006 // we'll check this again later when scanning, but we want to 17007 // bail early here before tripping over redefined permissions. 17008 if (shouldCheckUpgradeKeySetLP(signatureCheckPs, scanFlags)) { 17009 if (!checkUpgradeKeySetLP(signatureCheckPs, pkg)) { 17010 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 17011 + pkg.packageName + " upgrade keys do not match the " 17012 + "previously installed version"); 17013 return; 17014 } 17015 } else { 17016 try { 17017 verifySignaturesLP(signatureCheckPs, pkg); 17018 } catch (PackageManagerException e) { 17019 res.setError(e.error, e.getMessage()); 17020 return; 17021 } 17022 } 17023 17024 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 17025 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 17026 systemApp = (ps.pkg.applicationInfo.flags & 17027 ApplicationInfo.FLAG_SYSTEM) != 0; 17028 } 17029 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 17030 } 17031 17032 int N = pkg.permissions.size(); 17033 for (int i = N-1; i >= 0; i--) { 17034 PackageParser.Permission perm = pkg.permissions.get(i); 17035 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 17036 17037 // Don't allow anyone but the platform to define ephemeral permissions. 17038 if ((perm.info.protectionLevel & PermissionInfo.PROTECTION_FLAG_EPHEMERAL) != 0 17039 && !PLATFORM_PACKAGE_NAME.equals(pkg.packageName)) { 17040 Slog.w(TAG, "Package " + pkg.packageName 17041 + " attempting to delcare ephemeral permission " 17042 + perm.info.name + "; Removing ephemeral."); 17043 perm.info.protectionLevel &= ~PermissionInfo.PROTECTION_FLAG_EPHEMERAL; 17044 } 17045 // Check whether the newly-scanned package wants to define an already-defined perm 17046 if (bp != null) { 17047 // If the defining package is signed with our cert, it's okay. This 17048 // also includes the "updating the same package" case, of course. 17049 // "updating same package" could also involve key-rotation. 17050 final boolean sigsOk; 17051 if (bp.sourcePackage.equals(pkg.packageName) 17052 && (bp.packageSetting instanceof PackageSetting) 17053 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 17054 scanFlags))) { 17055 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 17056 } else { 17057 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 17058 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 17059 } 17060 if (!sigsOk) { 17061 // If the owning package is the system itself, we log but allow 17062 // install to proceed; we fail the install on all other permission 17063 // redefinitions. 17064 if (!bp.sourcePackage.equals("android")) { 17065 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 17066 + pkg.packageName + " attempting to redeclare permission " 17067 + perm.info.name + " already owned by " + bp.sourcePackage); 17068 res.origPermission = perm.info.name; 17069 res.origPackage = bp.sourcePackage; 17070 return; 17071 } else { 17072 Slog.w(TAG, "Package " + pkg.packageName 17073 + " attempting to redeclare system permission " 17074 + perm.info.name + "; ignoring new declaration"); 17075 pkg.permissions.remove(i); 17076 } 17077 } else if (!PLATFORM_PACKAGE_NAME.equals(pkg.packageName)) { 17078 // Prevent apps to change protection level to dangerous from any other 17079 // type as this would allow a privilege escalation where an app adds a 17080 // normal/signature permission in other app's group and later redefines 17081 // it as dangerous leading to the group auto-grant. 17082 if ((perm.info.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE) 17083 == PermissionInfo.PROTECTION_DANGEROUS) { 17084 if (bp != null && !bp.isRuntime()) { 17085 Slog.w(TAG, "Package " + pkg.packageName + " trying to change a " 17086 + "non-runtime permission " + perm.info.name 17087 + " to runtime; keeping old protection level"); 17088 perm.info.protectionLevel = bp.protectionLevel; 17089 } 17090 } 17091 } 17092 } 17093 } 17094 } 17095 17096 if (systemApp) { 17097 if (onExternal) { 17098 // Abort update; system app can't be replaced with app on sdcard 17099 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 17100 "Cannot install updates to system apps on sdcard"); 17101 return; 17102 } else if (instantApp) { 17103 // Abort update; system app can't be replaced with an instant app 17104 res.setError(INSTALL_FAILED_INSTANT_APP_INVALID, 17105 "Cannot update a system app with an instant app"); 17106 return; 17107 } 17108 } 17109 17110 if (args.move != null) { 17111 // We did an in-place move, so dex is ready to roll 17112 scanFlags |= SCAN_NO_DEX; 17113 scanFlags |= SCAN_MOVE; 17114 17115 synchronized (mPackages) { 17116 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17117 if (ps == null) { 17118 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 17119 "Missing settings for moved package " + pkgName); 17120 } 17121 17122 // We moved the entire application as-is, so bring over the 17123 // previously derived ABI information. 17124 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 17125 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 17126 } 17127 17128 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 17129 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 17130 scanFlags |= SCAN_NO_DEX; 17131 17132 try { 17133 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 17134 args.abiOverride : pkg.cpuAbiOverride); 17135 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 17136 true /*extractLibs*/, mAppLib32InstallDir); 17137 } catch (PackageManagerException pme) { 17138 Slog.e(TAG, "Error deriving application ABI", pme); 17139 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 17140 return; 17141 } 17142 17143 // Shared libraries for the package need to be updated. 17144 synchronized (mPackages) { 17145 try { 17146 updateSharedLibrariesLPr(pkg, null); 17147 } catch (PackageManagerException e) { 17148 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 17149 } 17150 } 17151 17152 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 17153 // Do not run PackageDexOptimizer through the local performDexOpt 17154 // method because `pkg` may not be in `mPackages` yet. 17155 // 17156 // Also, don't fail application installs if the dexopt step fails. 17157 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 17158 null /* instructionSets */, false /* checkProfiles */, 17159 getCompilerFilterForReason(REASON_INSTALL), 17160 getOrCreateCompilerPackageStats(pkg), 17161 mDexManager.isUsedByOtherApps(pkg.packageName)); 17162 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 17163 17164 // Notify BackgroundDexOptService that the package has been changed. 17165 // If this is an update of a package which used to fail to compile, 17166 // BDOS will remove it from its blacklist. 17167 // TODO: Layering violation 17168 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 17169 } 17170 17171 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 17172 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 17173 return; 17174 } 17175 17176 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 17177 17178 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 17179 "installPackageLI")) { 17180 if (replace) { 17181 if (pkg.applicationInfo.isStaticSharedLibrary()) { 17182 // Static libs have a synthetic package name containing the version 17183 // and cannot be updated as an update would get a new package name, 17184 // unless this is the exact same version code which is useful for 17185 // development. 17186 PackageParser.Package existingPkg = mPackages.get(pkg.packageName); 17187 if (existingPkg != null && existingPkg.mVersionCode != pkg.mVersionCode) { 17188 res.setError(INSTALL_FAILED_DUPLICATE_PACKAGE, "Packages declaring " 17189 + "static-shared libs cannot be updated"); 17190 return; 17191 } 17192 } 17193 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 17194 installerPackageName, res, args.installReason); 17195 } else { 17196 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 17197 args.user, installerPackageName, volumeUuid, res, args.installReason); 17198 } 17199 } 17200 17201 synchronized (mPackages) { 17202 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17203 if (ps != null) { 17204 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 17205 ps.setUpdateAvailable(false /*updateAvailable*/); 17206 } 17207 17208 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 17209 for (int i = 0; i < childCount; i++) { 17210 PackageParser.Package childPkg = pkg.childPackages.get(i); 17211 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 17212 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 17213 if (childPs != null) { 17214 childRes.newUsers = childPs.queryInstalledUsers( 17215 sUserManager.getUserIds(), true); 17216 } 17217 } 17218 17219 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 17220 updateSequenceNumberLP(pkgName, res.newUsers); 17221 updateInstantAppInstallerLocked(pkgName); 17222 } 17223 } 17224 } 17225 17226 private void startIntentFilterVerifications(int userId, boolean replacing, 17227 PackageParser.Package pkg) { 17228 if (mIntentFilterVerifierComponent == null) { 17229 Slog.w(TAG, "No IntentFilter verification will not be done as " 17230 + "there is no IntentFilterVerifier available!"); 17231 return; 17232 } 17233 17234 final int verifierUid = getPackageUid( 17235 mIntentFilterVerifierComponent.getPackageName(), 17236 MATCH_DEBUG_TRIAGED_MISSING, 17237 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 17238 17239 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 17240 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 17241 mHandler.sendMessage(msg); 17242 17243 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 17244 for (int i = 0; i < childCount; i++) { 17245 PackageParser.Package childPkg = pkg.childPackages.get(i); 17246 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 17247 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 17248 mHandler.sendMessage(msg); 17249 } 17250 } 17251 17252 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 17253 PackageParser.Package pkg) { 17254 int size = pkg.activities.size(); 17255 if (size == 0) { 17256 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 17257 "No activity, so no need to verify any IntentFilter!"); 17258 return; 17259 } 17260 17261 final boolean hasDomainURLs = hasDomainURLs(pkg); 17262 if (!hasDomainURLs) { 17263 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 17264 "No domain URLs, so no need to verify any IntentFilter!"); 17265 return; 17266 } 17267 17268 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 17269 + " if any IntentFilter from the " + size 17270 + " Activities needs verification ..."); 17271 17272 int count = 0; 17273 final String packageName = pkg.packageName; 17274 17275 synchronized (mPackages) { 17276 // If this is a new install and we see that we've already run verification for this 17277 // package, we have nothing to do: it means the state was restored from backup. 17278 if (!replacing) { 17279 IntentFilterVerificationInfo ivi = 17280 mSettings.getIntentFilterVerificationLPr(packageName); 17281 if (ivi != null) { 17282 if (DEBUG_DOMAIN_VERIFICATION) { 17283 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 17284 + ivi.getStatusString()); 17285 } 17286 return; 17287 } 17288 } 17289 17290 // If any filters need to be verified, then all need to be. 17291 boolean needToVerify = false; 17292 for (PackageParser.Activity a : pkg.activities) { 17293 for (ActivityIntentInfo filter : a.intents) { 17294 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 17295 if (DEBUG_DOMAIN_VERIFICATION) { 17296 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 17297 } 17298 needToVerify = true; 17299 break; 17300 } 17301 } 17302 } 17303 17304 if (needToVerify) { 17305 final int verificationId = mIntentFilterVerificationToken++; 17306 for (PackageParser.Activity a : pkg.activities) { 17307 for (ActivityIntentInfo filter : a.intents) { 17308 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 17309 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 17310 "Verification needed for IntentFilter:" + filter.toString()); 17311 mIntentFilterVerifier.addOneIntentFilterVerification( 17312 verifierUid, userId, verificationId, filter, packageName); 17313 count++; 17314 } 17315 } 17316 } 17317 } 17318 } 17319 17320 if (count > 0) { 17321 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 17322 + " IntentFilter verification" + (count > 1 ? "s" : "") 17323 + " for userId:" + userId); 17324 mIntentFilterVerifier.startVerifications(userId); 17325 } else { 17326 if (DEBUG_DOMAIN_VERIFICATION) { 17327 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 17328 } 17329 } 17330 } 17331 17332 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 17333 final ComponentName cn = filter.activity.getComponentName(); 17334 final String packageName = cn.getPackageName(); 17335 17336 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 17337 packageName); 17338 if (ivi == null) { 17339 return true; 17340 } 17341 int status = ivi.getStatus(); 17342 switch (status) { 17343 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 17344 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 17345 return true; 17346 17347 default: 17348 // Nothing to do 17349 return false; 17350 } 17351 } 17352 17353 private static boolean isMultiArch(ApplicationInfo info) { 17354 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 17355 } 17356 17357 private static boolean isExternal(PackageParser.Package pkg) { 17358 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 17359 } 17360 17361 private static boolean isExternal(PackageSetting ps) { 17362 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 17363 } 17364 17365 private static boolean isSystemApp(PackageParser.Package pkg) { 17366 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 17367 } 17368 17369 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 17370 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 17371 } 17372 17373 private static boolean hasDomainURLs(PackageParser.Package pkg) { 17374 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 17375 } 17376 17377 private static boolean isSystemApp(PackageSetting ps) { 17378 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 17379 } 17380 17381 private static boolean isUpdatedSystemApp(PackageSetting ps) { 17382 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 17383 } 17384 17385 private int packageFlagsToInstallFlags(PackageSetting ps) { 17386 int installFlags = 0; 17387 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 17388 // This existing package was an external ASEC install when we have 17389 // the external flag without a UUID 17390 installFlags |= PackageManager.INSTALL_EXTERNAL; 17391 } 17392 if (ps.isForwardLocked()) { 17393 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 17394 } 17395 return installFlags; 17396 } 17397 17398 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 17399 if (isExternal(pkg)) { 17400 if (TextUtils.isEmpty(pkg.volumeUuid)) { 17401 return StorageManager.UUID_PRIMARY_PHYSICAL; 17402 } else { 17403 return pkg.volumeUuid; 17404 } 17405 } else { 17406 return StorageManager.UUID_PRIVATE_INTERNAL; 17407 } 17408 } 17409 17410 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 17411 if (isExternal(pkg)) { 17412 if (TextUtils.isEmpty(pkg.volumeUuid)) { 17413 return mSettings.getExternalVersion(); 17414 } else { 17415 return mSettings.findOrCreateVersion(pkg.volumeUuid); 17416 } 17417 } else { 17418 return mSettings.getInternalVersion(); 17419 } 17420 } 17421 17422 private void deleteTempPackageFiles() { 17423 final FilenameFilter filter = new FilenameFilter() { 17424 public boolean accept(File dir, String name) { 17425 return name.startsWith("vmdl") && name.endsWith(".tmp"); 17426 } 17427 }; 17428 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 17429 file.delete(); 17430 } 17431 } 17432 17433 @Override 17434 public void deletePackageAsUser(String packageName, int versionCode, 17435 IPackageDeleteObserver observer, int userId, int flags) { 17436 deletePackageVersioned(new VersionedPackage(packageName, versionCode), 17437 new LegacyPackageDeleteObserver(observer).getBinder(), userId, flags); 17438 } 17439 17440 @Override 17441 public void deletePackageVersioned(VersionedPackage versionedPackage, 17442 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 17443 mContext.enforceCallingOrSelfPermission( 17444 android.Manifest.permission.DELETE_PACKAGES, null); 17445 Preconditions.checkNotNull(versionedPackage); 17446 Preconditions.checkNotNull(observer); 17447 Preconditions.checkArgumentInRange(versionedPackage.getVersionCode(), 17448 PackageManager.VERSION_CODE_HIGHEST, 17449 Integer.MAX_VALUE, "versionCode must be >= -1"); 17450 17451 final String packageName = versionedPackage.getPackageName(); 17452 // TODO: We will change version code to long, so in the new API it is long 17453 final int versionCode = (int) versionedPackage.getVersionCode(); 17454 final String internalPackageName; 17455 synchronized (mPackages) { 17456 // Normalize package name to handle renamed packages and static libs 17457 internalPackageName = resolveInternalPackageNameLPr(versionedPackage.getPackageName(), 17458 // TODO: We will change version code to long, so in the new API it is long 17459 (int) versionedPackage.getVersionCode()); 17460 } 17461 17462 final int uid = Binder.getCallingUid(); 17463 if (!isOrphaned(internalPackageName) 17464 && !isCallerAllowedToSilentlyUninstall(uid, internalPackageName)) { 17465 try { 17466 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 17467 intent.setData(Uri.fromParts(PACKAGE_SCHEME, packageName, null)); 17468 intent.putExtra(PackageInstaller.EXTRA_CALLBACK, observer.asBinder()); 17469 observer.onUserActionRequired(intent); 17470 } catch (RemoteException re) { 17471 } 17472 return; 17473 } 17474 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 17475 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 17476 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 17477 mContext.enforceCallingOrSelfPermission( 17478 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 17479 "deletePackage for user " + userId); 17480 } 17481 17482 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 17483 try { 17484 observer.onPackageDeleted(packageName, 17485 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 17486 } catch (RemoteException re) { 17487 } 17488 return; 17489 } 17490 17491 if (!deleteAllUsers && getBlockUninstallForUser(internalPackageName, userId)) { 17492 try { 17493 observer.onPackageDeleted(packageName, 17494 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 17495 } catch (RemoteException re) { 17496 } 17497 return; 17498 } 17499 17500 if (DEBUG_REMOVE) { 17501 Slog.d(TAG, "deletePackageAsUser: pkg=" + internalPackageName + " user=" + userId 17502 + " deleteAllUsers: " + deleteAllUsers + " version=" 17503 + (versionCode == PackageManager.VERSION_CODE_HIGHEST 17504 ? "VERSION_CODE_HIGHEST" : versionCode)); 17505 } 17506 // Queue up an async operation since the package deletion may take a little while. 17507 mHandler.post(new Runnable() { 17508 public void run() { 17509 mHandler.removeCallbacks(this); 17510 int returnCode; 17511 if (!deleteAllUsers) { 17512 returnCode = deletePackageX(internalPackageName, versionCode, 17513 userId, deleteFlags); 17514 } else { 17515 int[] blockUninstallUserIds = getBlockUninstallForUsers( 17516 internalPackageName, users); 17517 // If nobody is blocking uninstall, proceed with delete for all users 17518 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 17519 returnCode = deletePackageX(internalPackageName, versionCode, 17520 userId, deleteFlags); 17521 } else { 17522 // Otherwise uninstall individually for users with blockUninstalls=false 17523 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 17524 for (int userId : users) { 17525 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 17526 returnCode = deletePackageX(internalPackageName, versionCode, 17527 userId, userFlags); 17528 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 17529 Slog.w(TAG, "Package delete failed for user " + userId 17530 + ", returnCode " + returnCode); 17531 } 17532 } 17533 } 17534 // The app has only been marked uninstalled for certain users. 17535 // We still need to report that delete was blocked 17536 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 17537 } 17538 } 17539 try { 17540 observer.onPackageDeleted(packageName, returnCode, null); 17541 } catch (RemoteException e) { 17542 Log.i(TAG, "Observer no longer exists."); 17543 } //end catch 17544 } //end run 17545 }); 17546 } 17547 17548 private String resolveExternalPackageNameLPr(PackageParser.Package pkg) { 17549 if (pkg.staticSharedLibName != null) { 17550 return pkg.manifestPackageName; 17551 } 17552 return pkg.packageName; 17553 } 17554 17555 private String resolveInternalPackageNameLPr(String packageName, int versionCode) { 17556 // Handle renamed packages 17557 String normalizedPackageName = mSettings.getRenamedPackageLPr(packageName); 17558 packageName = normalizedPackageName != null ? normalizedPackageName : packageName; 17559 17560 // Is this a static library? 17561 SparseArray<SharedLibraryEntry> versionedLib = 17562 mStaticLibsByDeclaringPackage.get(packageName); 17563 if (versionedLib == null || versionedLib.size() <= 0) { 17564 return packageName; 17565 } 17566 17567 // Figure out which lib versions the caller can see 17568 SparseIntArray versionsCallerCanSee = null; 17569 final int callingAppId = UserHandle.getAppId(Binder.getCallingUid()); 17570 if (callingAppId != Process.SYSTEM_UID && callingAppId != Process.SHELL_UID 17571 && callingAppId != Process.ROOT_UID) { 17572 versionsCallerCanSee = new SparseIntArray(); 17573 String libName = versionedLib.valueAt(0).info.getName(); 17574 String[] uidPackages = getPackagesForUid(Binder.getCallingUid()); 17575 if (uidPackages != null) { 17576 for (String uidPackage : uidPackages) { 17577 PackageSetting ps = mSettings.getPackageLPr(uidPackage); 17578 final int libIdx = ArrayUtils.indexOf(ps.usesStaticLibraries, libName); 17579 if (libIdx >= 0) { 17580 final int libVersion = ps.usesStaticLibrariesVersions[libIdx]; 17581 versionsCallerCanSee.append(libVersion, libVersion); 17582 } 17583 } 17584 } 17585 } 17586 17587 // Caller can see nothing - done 17588 if (versionsCallerCanSee != null && versionsCallerCanSee.size() <= 0) { 17589 return packageName; 17590 } 17591 17592 // Find the version the caller can see and the app version code 17593 SharedLibraryEntry highestVersion = null; 17594 final int versionCount = versionedLib.size(); 17595 for (int i = 0; i < versionCount; i++) { 17596 SharedLibraryEntry libEntry = versionedLib.valueAt(i); 17597 if (versionsCallerCanSee != null && versionsCallerCanSee.indexOfKey( 17598 // TODO: Remove cast for lib version once internally we support longs. 17599 (int) libEntry.info.getVersion()) < 0) { 17600 continue; 17601 } 17602 // TODO: We will change version code to long, so in the new API it is long 17603 final int libVersionCode = (int) libEntry.info.getDeclaringPackage().getVersionCode(); 17604 if (versionCode != PackageManager.VERSION_CODE_HIGHEST) { 17605 if (libVersionCode == versionCode) { 17606 return libEntry.apk; 17607 } 17608 } else if (highestVersion == null) { 17609 highestVersion = libEntry; 17610 } else if (libVersionCode > highestVersion.info 17611 .getDeclaringPackage().getVersionCode()) { 17612 highestVersion = libEntry; 17613 } 17614 } 17615 17616 if (highestVersion != null) { 17617 return highestVersion.apk; 17618 } 17619 17620 return packageName; 17621 } 17622 17623 private boolean isCallerAllowedToSilentlyUninstall(int callingUid, String pkgName) { 17624 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID 17625 || callingUid == Process.SYSTEM_UID) { 17626 return true; 17627 } 17628 final int callingUserId = UserHandle.getUserId(callingUid); 17629 // If the caller installed the pkgName, then allow it to silently uninstall. 17630 if (callingUid == getPackageUid(getInstallerPackageName(pkgName), 0, callingUserId)) { 17631 return true; 17632 } 17633 17634 // Allow package verifier to silently uninstall. 17635 if (mRequiredVerifierPackage != null && 17636 callingUid == getPackageUid(mRequiredVerifierPackage, 0, callingUserId)) { 17637 return true; 17638 } 17639 17640 // Allow package uninstaller to silently uninstall. 17641 if (mRequiredUninstallerPackage != null && 17642 callingUid == getPackageUid(mRequiredUninstallerPackage, 0, callingUserId)) { 17643 return true; 17644 } 17645 17646 // Allow storage manager to silently uninstall. 17647 if (mStorageManagerPackage != null && 17648 callingUid == getPackageUid(mStorageManagerPackage, 0, callingUserId)) { 17649 return true; 17650 } 17651 return false; 17652 } 17653 17654 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 17655 int[] result = EMPTY_INT_ARRAY; 17656 for (int userId : userIds) { 17657 if (getBlockUninstallForUser(packageName, userId)) { 17658 result = ArrayUtils.appendInt(result, userId); 17659 } 17660 } 17661 return result; 17662 } 17663 17664 @Override 17665 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 17666 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 17667 } 17668 17669 private boolean isPackageDeviceAdmin(String packageName, int userId) { 17670 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 17671 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 17672 try { 17673 if (dpm != null) { 17674 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 17675 /* callingUserOnly =*/ false); 17676 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 17677 : deviceOwnerComponentName.getPackageName(); 17678 // Does the package contains the device owner? 17679 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 17680 // this check is probably not needed, since DO should be registered as a device 17681 // admin on some user too. (Original bug for this: b/17657954) 17682 if (packageName.equals(deviceOwnerPackageName)) { 17683 return true; 17684 } 17685 // Does it contain a device admin for any user? 17686 int[] users; 17687 if (userId == UserHandle.USER_ALL) { 17688 users = sUserManager.getUserIds(); 17689 } else { 17690 users = new int[]{userId}; 17691 } 17692 for (int i = 0; i < users.length; ++i) { 17693 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 17694 return true; 17695 } 17696 } 17697 } 17698 } catch (RemoteException e) { 17699 } 17700 return false; 17701 } 17702 17703 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 17704 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 17705 } 17706 17707 /** 17708 * This method is an internal method that could be get invoked either 17709 * to delete an installed package or to clean up a failed installation. 17710 * After deleting an installed package, a broadcast is sent to notify any 17711 * listeners that the package has been removed. For cleaning up a failed 17712 * installation, the broadcast is not necessary since the package's 17713 * installation wouldn't have sent the initial broadcast either 17714 * The key steps in deleting a package are 17715 * deleting the package information in internal structures like mPackages, 17716 * deleting the packages base directories through installd 17717 * updating mSettings to reflect current status 17718 * persisting settings for later use 17719 * sending a broadcast if necessary 17720 */ 17721 private int deletePackageX(String packageName, int versionCode, int userId, int deleteFlags) { 17722 final PackageRemovedInfo info = new PackageRemovedInfo(this); 17723 final boolean res; 17724 17725 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 17726 ? UserHandle.USER_ALL : userId; 17727 17728 if (isPackageDeviceAdmin(packageName, removeUser)) { 17729 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 17730 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 17731 } 17732 17733 PackageSetting uninstalledPs = null; 17734 PackageParser.Package pkg = null; 17735 17736 // for the uninstall-updates case and restricted profiles, remember the per- 17737 // user handle installed state 17738 int[] allUsers; 17739 synchronized (mPackages) { 17740 uninstalledPs = mSettings.mPackages.get(packageName); 17741 if (uninstalledPs == null) { 17742 Slog.w(TAG, "Not removing non-existent package " + packageName); 17743 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17744 } 17745 17746 if (versionCode != PackageManager.VERSION_CODE_HIGHEST 17747 && uninstalledPs.versionCode != versionCode) { 17748 Slog.w(TAG, "Not removing package " + packageName + " with versionCode " 17749 + uninstalledPs.versionCode + " != " + versionCode); 17750 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17751 } 17752 17753 // Static shared libs can be declared by any package, so let us not 17754 // allow removing a package if it provides a lib others depend on. 17755 pkg = mPackages.get(packageName); 17756 if (pkg != null && pkg.staticSharedLibName != null) { 17757 SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(pkg.staticSharedLibName, 17758 pkg.staticSharedLibVersion); 17759 if (libEntry != null) { 17760 List<VersionedPackage> libClientPackages = getPackagesUsingSharedLibraryLPr( 17761 libEntry.info, 0, userId); 17762 if (!ArrayUtils.isEmpty(libClientPackages)) { 17763 Slog.w(TAG, "Not removing package " + pkg.manifestPackageName 17764 + " hosting lib " + libEntry.info.getName() + " version " 17765 + libEntry.info.getVersion() + " used by " + libClientPackages); 17766 return PackageManager.DELETE_FAILED_USED_SHARED_LIBRARY; 17767 } 17768 } 17769 } 17770 17771 allUsers = sUserManager.getUserIds(); 17772 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 17773 } 17774 17775 final int freezeUser; 17776 if (isUpdatedSystemApp(uninstalledPs) 17777 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 17778 // We're downgrading a system app, which will apply to all users, so 17779 // freeze them all during the downgrade 17780 freezeUser = UserHandle.USER_ALL; 17781 } else { 17782 freezeUser = removeUser; 17783 } 17784 17785 synchronized (mInstallLock) { 17786 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 17787 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 17788 deleteFlags, "deletePackageX")) { 17789 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 17790 deleteFlags | FLAGS_REMOVE_CHATTY, info, true, null); 17791 } 17792 synchronized (mPackages) { 17793 if (res) { 17794 if (pkg != null) { 17795 mInstantAppRegistry.onPackageUninstalledLPw(pkg, info.removedUsers); 17796 } 17797 updateSequenceNumberLP(packageName, info.removedUsers); 17798 updateInstantAppInstallerLocked(packageName); 17799 } 17800 } 17801 } 17802 17803 if (res) { 17804 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 17805 info.sendPackageRemovedBroadcasts(killApp); 17806 info.sendSystemPackageUpdatedBroadcasts(); 17807 info.sendSystemPackageAppearedBroadcasts(); 17808 } 17809 // Force a gc here. 17810 Runtime.getRuntime().gc(); 17811 // Delete the resources here after sending the broadcast to let 17812 // other processes clean up before deleting resources. 17813 if (info.args != null) { 17814 synchronized (mInstallLock) { 17815 info.args.doPostDeleteLI(true); 17816 } 17817 } 17818 17819 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17820 } 17821 17822 static class PackageRemovedInfo { 17823 final PackageSender packageSender; 17824 String removedPackage; 17825 int uid = -1; 17826 int removedAppId = -1; 17827 int[] origUsers; 17828 int[] removedUsers = null; 17829 int[] broadcastUsers = null; 17830 SparseArray<Integer> installReasons; 17831 boolean isRemovedPackageSystemUpdate = false; 17832 boolean isUpdate; 17833 boolean dataRemoved; 17834 boolean removedForAllUsers; 17835 boolean isStaticSharedLib; 17836 // Clean up resources deleted packages. 17837 InstallArgs args = null; 17838 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 17839 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 17840 17841 PackageRemovedInfo(PackageSender packageSender) { 17842 this.packageSender = packageSender; 17843 } 17844 17845 void sendPackageRemovedBroadcasts(boolean killApp) { 17846 sendPackageRemovedBroadcastInternal(killApp); 17847 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 17848 for (int i = 0; i < childCount; i++) { 17849 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 17850 childInfo.sendPackageRemovedBroadcastInternal(killApp); 17851 } 17852 } 17853 17854 void sendSystemPackageUpdatedBroadcasts() { 17855 if (isRemovedPackageSystemUpdate) { 17856 sendSystemPackageUpdatedBroadcastsInternal(); 17857 final int childCount = (removedChildPackages != null) 17858 ? removedChildPackages.size() : 0; 17859 for (int i = 0; i < childCount; i++) { 17860 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 17861 if (childInfo.isRemovedPackageSystemUpdate) { 17862 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 17863 } 17864 } 17865 } 17866 } 17867 17868 void sendSystemPackageAppearedBroadcasts() { 17869 final int packageCount = (appearedChildPackages != null) 17870 ? appearedChildPackages.size() : 0; 17871 for (int i = 0; i < packageCount; i++) { 17872 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 17873 packageSender.sendPackageAddedForNewUsers(installedInfo.name, 17874 true, UserHandle.getAppId(installedInfo.uid), 17875 installedInfo.newUsers); 17876 } 17877 } 17878 17879 private void sendSystemPackageUpdatedBroadcastsInternal() { 17880 Bundle extras = new Bundle(2); 17881 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 17882 extras.putBoolean(Intent.EXTRA_REPLACING, true); 17883 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 17884 removedPackage, extras, 0, null, null, null); 17885 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 17886 removedPackage, extras, 0, null, null, null); 17887 packageSender.sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 17888 null, null, 0, removedPackage, null, null); 17889 } 17890 17891 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 17892 // Don't send static shared library removal broadcasts as these 17893 // libs are visible only the the apps that depend on them an one 17894 // cannot remove the library if it has a dependency. 17895 if (isStaticSharedLib) { 17896 return; 17897 } 17898 Bundle extras = new Bundle(2); 17899 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 17900 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 17901 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 17902 if (isUpdate || isRemovedPackageSystemUpdate) { 17903 extras.putBoolean(Intent.EXTRA_REPLACING, true); 17904 } 17905 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 17906 if (removedPackage != null) { 17907 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, 17908 removedPackage, extras, 0, null, null, broadcastUsers); 17909 if (dataRemoved && !isRemovedPackageSystemUpdate) { 17910 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 17911 removedPackage, extras, 17912 Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND, 17913 null, null, broadcastUsers); 17914 } 17915 } 17916 if (removedAppId >= 0) { 17917 packageSender.sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 17918 Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND, null, null, broadcastUsers); 17919 } 17920 } 17921 17922 void populateUsers(int[] userIds, PackageSetting deletedPackageSetting) { 17923 removedUsers = userIds; 17924 if (removedUsers == null) { 17925 broadcastUsers = null; 17926 return; 17927 } 17928 17929 broadcastUsers = EMPTY_INT_ARRAY; 17930 for (int i = userIds.length - 1; i >= 0; --i) { 17931 final int userId = userIds[i]; 17932 if (deletedPackageSetting.getInstantApp(userId)) { 17933 continue; 17934 } 17935 broadcastUsers = ArrayUtils.appendInt(broadcastUsers, userId); 17936 } 17937 } 17938 } 17939 17940 /* 17941 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 17942 * flag is not set, the data directory is removed as well. 17943 * make sure this flag is set for partially installed apps. If not its meaningless to 17944 * delete a partially installed application. 17945 */ 17946 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 17947 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 17948 String packageName = ps.name; 17949 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 17950 // Retrieve object to delete permissions for shared user later on 17951 final PackageParser.Package deletedPkg; 17952 final PackageSetting deletedPs; 17953 // reader 17954 synchronized (mPackages) { 17955 deletedPkg = mPackages.get(packageName); 17956 deletedPs = mSettings.mPackages.get(packageName); 17957 if (outInfo != null) { 17958 outInfo.removedPackage = packageName; 17959 outInfo.isStaticSharedLib = deletedPkg != null 17960 && deletedPkg.staticSharedLibName != null; 17961 outInfo.populateUsers(deletedPs == null ? null 17962 : deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true), deletedPs); 17963 } 17964 } 17965 17966 removePackageLI(ps, (flags & FLAGS_REMOVE_CHATTY) != 0); 17967 17968 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 17969 final PackageParser.Package resolvedPkg; 17970 if (deletedPkg != null) { 17971 resolvedPkg = deletedPkg; 17972 } else { 17973 // We don't have a parsed package when it lives on an ejected 17974 // adopted storage device, so fake something together 17975 resolvedPkg = new PackageParser.Package(ps.name); 17976 resolvedPkg.setVolumeUuid(ps.volumeUuid); 17977 } 17978 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 17979 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 17980 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 17981 if (outInfo != null) { 17982 outInfo.dataRemoved = true; 17983 } 17984 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 17985 } 17986 17987 int removedAppId = -1; 17988 17989 // writer 17990 synchronized (mPackages) { 17991 boolean installedStateChanged = false; 17992 if (deletedPs != null) { 17993 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 17994 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 17995 clearDefaultBrowserIfNeeded(packageName); 17996 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 17997 removedAppId = mSettings.removePackageLPw(packageName); 17998 if (outInfo != null) { 17999 outInfo.removedAppId = removedAppId; 18000 } 18001 updatePermissionsLPw(deletedPs.name, null, 0); 18002 if (deletedPs.sharedUser != null) { 18003 // Remove permissions associated with package. Since runtime 18004 // permissions are per user we have to kill the removed package 18005 // or packages running under the shared user of the removed 18006 // package if revoking the permissions requested only by the removed 18007 // package is successful and this causes a change in gids. 18008 for (int userId : UserManagerService.getInstance().getUserIds()) { 18009 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 18010 userId); 18011 if (userIdToKill == UserHandle.USER_ALL 18012 || userIdToKill >= UserHandle.USER_SYSTEM) { 18013 // If gids changed for this user, kill all affected packages. 18014 mHandler.post(new Runnable() { 18015 @Override 18016 public void run() { 18017 // This has to happen with no lock held. 18018 killApplication(deletedPs.name, deletedPs.appId, 18019 KILL_APP_REASON_GIDS_CHANGED); 18020 } 18021 }); 18022 break; 18023 } 18024 } 18025 } 18026 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 18027 } 18028 // make sure to preserve per-user disabled state if this removal was just 18029 // a downgrade of a system app to the factory package 18030 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 18031 if (DEBUG_REMOVE) { 18032 Slog.d(TAG, "Propagating install state across downgrade"); 18033 } 18034 for (int userId : allUserHandles) { 18035 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 18036 if (DEBUG_REMOVE) { 18037 Slog.d(TAG, " user " + userId + " => " + installed); 18038 } 18039 if (installed != ps.getInstalled(userId)) { 18040 installedStateChanged = true; 18041 } 18042 ps.setInstalled(installed, userId); 18043 } 18044 } 18045 } 18046 // can downgrade to reader 18047 if (writeSettings) { 18048 // Save settings now 18049 mSettings.writeLPr(); 18050 } 18051 if (installedStateChanged) { 18052 mSettings.writeKernelMappingLPr(ps); 18053 } 18054 } 18055 if (removedAppId != -1) { 18056 // A user ID was deleted here. Go through all users and remove it 18057 // from KeyStore. 18058 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, removedAppId); 18059 } 18060 } 18061 18062 static boolean locationIsPrivileged(File path) { 18063 try { 18064 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 18065 .getCanonicalPath(); 18066 return path.getCanonicalPath().startsWith(privilegedAppDir); 18067 } catch (IOException e) { 18068 Slog.e(TAG, "Unable to access code path " + path); 18069 } 18070 return false; 18071 } 18072 18073 /* 18074 * Tries to delete system package. 18075 */ 18076 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 18077 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 18078 boolean writeSettings) { 18079 if (deletedPs.parentPackageName != null) { 18080 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 18081 return false; 18082 } 18083 18084 final boolean applyUserRestrictions 18085 = (allUserHandles != null) && (outInfo.origUsers != null); 18086 final PackageSetting disabledPs; 18087 // Confirm if the system package has been updated 18088 // An updated system app can be deleted. This will also have to restore 18089 // the system pkg from system partition 18090 // reader 18091 synchronized (mPackages) { 18092 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 18093 } 18094 18095 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 18096 + " disabledPs=" + disabledPs); 18097 18098 if (disabledPs == null) { 18099 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 18100 return false; 18101 } else if (DEBUG_REMOVE) { 18102 Slog.d(TAG, "Deleting system pkg from data partition"); 18103 } 18104 18105 if (DEBUG_REMOVE) { 18106 if (applyUserRestrictions) { 18107 Slog.d(TAG, "Remembering install states:"); 18108 for (int userId : allUserHandles) { 18109 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 18110 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 18111 } 18112 } 18113 } 18114 18115 // Delete the updated package 18116 outInfo.isRemovedPackageSystemUpdate = true; 18117 if (outInfo.removedChildPackages != null) { 18118 final int childCount = (deletedPs.childPackageNames != null) 18119 ? deletedPs.childPackageNames.size() : 0; 18120 for (int i = 0; i < childCount; i++) { 18121 String childPackageName = deletedPs.childPackageNames.get(i); 18122 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 18123 .contains(childPackageName)) { 18124 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 18125 childPackageName); 18126 if (childInfo != null) { 18127 childInfo.isRemovedPackageSystemUpdate = true; 18128 } 18129 } 18130 } 18131 } 18132 18133 if (disabledPs.versionCode < deletedPs.versionCode) { 18134 // Delete data for downgrades 18135 flags &= ~PackageManager.DELETE_KEEP_DATA; 18136 } else { 18137 // Preserve data by setting flag 18138 flags |= PackageManager.DELETE_KEEP_DATA; 18139 } 18140 18141 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 18142 outInfo, writeSettings, disabledPs.pkg); 18143 if (!ret) { 18144 return false; 18145 } 18146 18147 // writer 18148 synchronized (mPackages) { 18149 // Reinstate the old system package 18150 enableSystemPackageLPw(disabledPs.pkg); 18151 // Remove any native libraries from the upgraded package. 18152 removeNativeBinariesLI(deletedPs); 18153 } 18154 18155 // Install the system package 18156 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 18157 int parseFlags = mDefParseFlags 18158 | PackageParser.PARSE_MUST_BE_APK 18159 | PackageParser.PARSE_IS_SYSTEM 18160 | PackageParser.PARSE_IS_SYSTEM_DIR; 18161 if (locationIsPrivileged(disabledPs.codePath)) { 18162 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 18163 } 18164 18165 final PackageParser.Package newPkg; 18166 try { 18167 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, 0 /* scanFlags */, 18168 0 /* currentTime */, null); 18169 } catch (PackageManagerException e) { 18170 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 18171 + e.getMessage()); 18172 return false; 18173 } 18174 18175 try { 18176 // update shared libraries for the newly re-installed system package 18177 updateSharedLibrariesLPr(newPkg, null); 18178 } catch (PackageManagerException e) { 18179 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 18180 } 18181 18182 prepareAppDataAfterInstallLIF(newPkg); 18183 18184 // writer 18185 synchronized (mPackages) { 18186 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 18187 18188 // Propagate the permissions state as we do not want to drop on the floor 18189 // runtime permissions. The update permissions method below will take 18190 // care of removing obsolete permissions and grant install permissions. 18191 ps.getPermissionsState().copyFrom(deletedPs.getPermissionsState()); 18192 updatePermissionsLPw(newPkg.packageName, newPkg, 18193 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 18194 18195 if (applyUserRestrictions) { 18196 boolean installedStateChanged = false; 18197 if (DEBUG_REMOVE) { 18198 Slog.d(TAG, "Propagating install state across reinstall"); 18199 } 18200 for (int userId : allUserHandles) { 18201 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 18202 if (DEBUG_REMOVE) { 18203 Slog.d(TAG, " user " + userId + " => " + installed); 18204 } 18205 if (installed != ps.getInstalled(userId)) { 18206 installedStateChanged = true; 18207 } 18208 ps.setInstalled(installed, userId); 18209 18210 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 18211 } 18212 // Regardless of writeSettings we need to ensure that this restriction 18213 // state propagation is persisted 18214 mSettings.writeAllUsersPackageRestrictionsLPr(); 18215 if (installedStateChanged) { 18216 mSettings.writeKernelMappingLPr(ps); 18217 } 18218 } 18219 // can downgrade to reader here 18220 if (writeSettings) { 18221 mSettings.writeLPr(); 18222 } 18223 } 18224 return true; 18225 } 18226 18227 private boolean deleteInstalledPackageLIF(PackageSetting ps, 18228 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 18229 PackageRemovedInfo outInfo, boolean writeSettings, 18230 PackageParser.Package replacingPackage) { 18231 synchronized (mPackages) { 18232 if (outInfo != null) { 18233 outInfo.uid = ps.appId; 18234 } 18235 18236 if (outInfo != null && outInfo.removedChildPackages != null) { 18237 final int childCount = (ps.childPackageNames != null) 18238 ? ps.childPackageNames.size() : 0; 18239 for (int i = 0; i < childCount; i++) { 18240 String childPackageName = ps.childPackageNames.get(i); 18241 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 18242 if (childPs == null) { 18243 return false; 18244 } 18245 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 18246 childPackageName); 18247 if (childInfo != null) { 18248 childInfo.uid = childPs.appId; 18249 } 18250 } 18251 } 18252 } 18253 18254 // Delete package data from internal structures and also remove data if flag is set 18255 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 18256 18257 // Delete the child packages data 18258 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 18259 for (int i = 0; i < childCount; i++) { 18260 PackageSetting childPs; 18261 synchronized (mPackages) { 18262 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 18263 } 18264 if (childPs != null) { 18265 PackageRemovedInfo childOutInfo = (outInfo != null 18266 && outInfo.removedChildPackages != null) 18267 ? outInfo.removedChildPackages.get(childPs.name) : null; 18268 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 18269 && (replacingPackage != null 18270 && !replacingPackage.hasChildPackage(childPs.name)) 18271 ? flags & ~DELETE_KEEP_DATA : flags; 18272 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 18273 deleteFlags, writeSettings); 18274 } 18275 } 18276 18277 // Delete application code and resources only for parent packages 18278 if (ps.parentPackageName == null) { 18279 if (deleteCodeAndResources && (outInfo != null)) { 18280 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 18281 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 18282 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 18283 } 18284 } 18285 18286 return true; 18287 } 18288 18289 @Override 18290 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 18291 int userId) { 18292 mContext.enforceCallingOrSelfPermission( 18293 android.Manifest.permission.DELETE_PACKAGES, null); 18294 synchronized (mPackages) { 18295 PackageSetting ps = mSettings.mPackages.get(packageName); 18296 if (ps == null) { 18297 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 18298 return false; 18299 } 18300 // Cannot block uninstall of static shared libs as they are 18301 // considered a part of the using app (emulating static linking). 18302 // Also static libs are installed always on internal storage. 18303 PackageParser.Package pkg = mPackages.get(packageName); 18304 if (pkg != null && pkg.staticSharedLibName != null) { 18305 Slog.w(TAG, "Cannot block uninstall of package: " + packageName 18306 + " providing static shared library: " + pkg.staticSharedLibName); 18307 return false; 18308 } 18309 if (!ps.getInstalled(userId)) { 18310 // Can't block uninstall for an app that is not installed or enabled. 18311 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 18312 return false; 18313 } 18314 ps.setBlockUninstall(blockUninstall, userId); 18315 mSettings.writePackageRestrictionsLPr(userId); 18316 } 18317 return true; 18318 } 18319 18320 @Override 18321 public boolean getBlockUninstallForUser(String packageName, int userId) { 18322 synchronized (mPackages) { 18323 PackageSetting ps = mSettings.mPackages.get(packageName); 18324 if (ps == null) { 18325 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 18326 return false; 18327 } 18328 return ps.getBlockUninstall(userId); 18329 } 18330 } 18331 18332 @Override 18333 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 18334 int callingUid = Binder.getCallingUid(); 18335 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 18336 throw new SecurityException( 18337 "setRequiredForSystemUser can only be run by the system or root"); 18338 } 18339 synchronized (mPackages) { 18340 PackageSetting ps = mSettings.mPackages.get(packageName); 18341 if (ps == null) { 18342 Log.w(TAG, "Package doesn't exist: " + packageName); 18343 return false; 18344 } 18345 if (systemUserApp) { 18346 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 18347 } else { 18348 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 18349 } 18350 mSettings.writeLPr(); 18351 } 18352 return true; 18353 } 18354 18355 /* 18356 * This method handles package deletion in general 18357 */ 18358 private boolean deletePackageLIF(String packageName, UserHandle user, 18359 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 18360 PackageRemovedInfo outInfo, boolean writeSettings, 18361 PackageParser.Package replacingPackage) { 18362 if (packageName == null) { 18363 Slog.w(TAG, "Attempt to delete null packageName."); 18364 return false; 18365 } 18366 18367 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 18368 18369 PackageSetting ps; 18370 synchronized (mPackages) { 18371 ps = mSettings.mPackages.get(packageName); 18372 if (ps == null) { 18373 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 18374 return false; 18375 } 18376 18377 if (ps.parentPackageName != null && (!isSystemApp(ps) 18378 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 18379 if (DEBUG_REMOVE) { 18380 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 18381 + ((user == null) ? UserHandle.USER_ALL : user)); 18382 } 18383 final int removedUserId = (user != null) ? user.getIdentifier() 18384 : UserHandle.USER_ALL; 18385 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 18386 return false; 18387 } 18388 markPackageUninstalledForUserLPw(ps, user); 18389 scheduleWritePackageRestrictionsLocked(user); 18390 return true; 18391 } 18392 } 18393 18394 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 18395 && user.getIdentifier() != UserHandle.USER_ALL)) { 18396 // The caller is asking that the package only be deleted for a single 18397 // user. To do this, we just mark its uninstalled state and delete 18398 // its data. If this is a system app, we only allow this to happen if 18399 // they have set the special DELETE_SYSTEM_APP which requests different 18400 // semantics than normal for uninstalling system apps. 18401 markPackageUninstalledForUserLPw(ps, user); 18402 18403 if (!isSystemApp(ps)) { 18404 // Do not uninstall the APK if an app should be cached 18405 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 18406 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 18407 // Other user still have this package installed, so all 18408 // we need to do is clear this user's data and save that 18409 // it is uninstalled. 18410 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 18411 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 18412 return false; 18413 } 18414 scheduleWritePackageRestrictionsLocked(user); 18415 return true; 18416 } else { 18417 // We need to set it back to 'installed' so the uninstall 18418 // broadcasts will be sent correctly. 18419 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 18420 ps.setInstalled(true, user.getIdentifier()); 18421 mSettings.writeKernelMappingLPr(ps); 18422 } 18423 } else { 18424 // This is a system app, so we assume that the 18425 // other users still have this package installed, so all 18426 // we need to do is clear this user's data and save that 18427 // it is uninstalled. 18428 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 18429 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 18430 return false; 18431 } 18432 scheduleWritePackageRestrictionsLocked(user); 18433 return true; 18434 } 18435 } 18436 18437 // If we are deleting a composite package for all users, keep track 18438 // of result for each child. 18439 if (ps.childPackageNames != null && outInfo != null) { 18440 synchronized (mPackages) { 18441 final int childCount = ps.childPackageNames.size(); 18442 outInfo.removedChildPackages = new ArrayMap<>(childCount); 18443 for (int i = 0; i < childCount; i++) { 18444 String childPackageName = ps.childPackageNames.get(i); 18445 PackageRemovedInfo childInfo = new PackageRemovedInfo(this); 18446 childInfo.removedPackage = childPackageName; 18447 outInfo.removedChildPackages.put(childPackageName, childInfo); 18448 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 18449 if (childPs != null) { 18450 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 18451 } 18452 } 18453 } 18454 } 18455 18456 boolean ret = false; 18457 if (isSystemApp(ps)) { 18458 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 18459 // When an updated system application is deleted we delete the existing resources 18460 // as well and fall back to existing code in system partition 18461 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 18462 } else { 18463 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 18464 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 18465 outInfo, writeSettings, replacingPackage); 18466 } 18467 18468 // Take a note whether we deleted the package for all users 18469 if (outInfo != null) { 18470 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 18471 if (outInfo.removedChildPackages != null) { 18472 synchronized (mPackages) { 18473 final int childCount = outInfo.removedChildPackages.size(); 18474 for (int i = 0; i < childCount; i++) { 18475 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 18476 if (childInfo != null) { 18477 childInfo.removedForAllUsers = mPackages.get( 18478 childInfo.removedPackage) == null; 18479 } 18480 } 18481 } 18482 } 18483 // If we uninstalled an update to a system app there may be some 18484 // child packages that appeared as they are declared in the system 18485 // app but were not declared in the update. 18486 if (isSystemApp(ps)) { 18487 synchronized (mPackages) { 18488 PackageSetting updatedPs = mSettings.getPackageLPr(ps.name); 18489 final int childCount = (updatedPs.childPackageNames != null) 18490 ? updatedPs.childPackageNames.size() : 0; 18491 for (int i = 0; i < childCount; i++) { 18492 String childPackageName = updatedPs.childPackageNames.get(i); 18493 if (outInfo.removedChildPackages == null 18494 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 18495 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 18496 if (childPs == null) { 18497 continue; 18498 } 18499 PackageInstalledInfo installRes = new PackageInstalledInfo(); 18500 installRes.name = childPackageName; 18501 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 18502 installRes.pkg = mPackages.get(childPackageName); 18503 installRes.uid = childPs.pkg.applicationInfo.uid; 18504 if (outInfo.appearedChildPackages == null) { 18505 outInfo.appearedChildPackages = new ArrayMap<>(); 18506 } 18507 outInfo.appearedChildPackages.put(childPackageName, installRes); 18508 } 18509 } 18510 } 18511 } 18512 } 18513 18514 return ret; 18515 } 18516 18517 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 18518 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 18519 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 18520 for (int nextUserId : userIds) { 18521 if (DEBUG_REMOVE) { 18522 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 18523 } 18524 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 18525 false /*installed*/, 18526 true /*stopped*/, 18527 true /*notLaunched*/, 18528 false /*hidden*/, 18529 false /*suspended*/, 18530 false /*instantApp*/, 18531 null /*lastDisableAppCaller*/, 18532 null /*enabledComponents*/, 18533 null /*disabledComponents*/, 18534 false /*blockUninstall*/, 18535 ps.readUserState(nextUserId).domainVerificationStatus, 18536 0, PackageManager.INSTALL_REASON_UNKNOWN); 18537 } 18538 mSettings.writeKernelMappingLPr(ps); 18539 } 18540 18541 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 18542 PackageRemovedInfo outInfo) { 18543 final PackageParser.Package pkg; 18544 synchronized (mPackages) { 18545 pkg = mPackages.get(ps.name); 18546 } 18547 18548 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 18549 : new int[] {userId}; 18550 for (int nextUserId : userIds) { 18551 if (DEBUG_REMOVE) { 18552 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 18553 + nextUserId); 18554 } 18555 18556 destroyAppDataLIF(pkg, userId, 18557 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18558 destroyAppProfilesLIF(pkg, userId); 18559 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 18560 schedulePackageCleaning(ps.name, nextUserId, false); 18561 synchronized (mPackages) { 18562 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 18563 scheduleWritePackageRestrictionsLocked(nextUserId); 18564 } 18565 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 18566 } 18567 } 18568 18569 if (outInfo != null) { 18570 outInfo.removedPackage = ps.name; 18571 outInfo.isStaticSharedLib = pkg != null && pkg.staticSharedLibName != null; 18572 outInfo.removedAppId = ps.appId; 18573 outInfo.removedUsers = userIds; 18574 outInfo.broadcastUsers = userIds; 18575 } 18576 18577 return true; 18578 } 18579 18580 private final class ClearStorageConnection implements ServiceConnection { 18581 IMediaContainerService mContainerService; 18582 18583 @Override 18584 public void onServiceConnected(ComponentName name, IBinder service) { 18585 synchronized (this) { 18586 mContainerService = IMediaContainerService.Stub 18587 .asInterface(Binder.allowBlocking(service)); 18588 notifyAll(); 18589 } 18590 } 18591 18592 @Override 18593 public void onServiceDisconnected(ComponentName name) { 18594 } 18595 } 18596 18597 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 18598 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 18599 18600 final boolean mounted; 18601 if (Environment.isExternalStorageEmulated()) { 18602 mounted = true; 18603 } else { 18604 final String status = Environment.getExternalStorageState(); 18605 18606 mounted = status.equals(Environment.MEDIA_MOUNTED) 18607 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 18608 } 18609 18610 if (!mounted) { 18611 return; 18612 } 18613 18614 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 18615 int[] users; 18616 if (userId == UserHandle.USER_ALL) { 18617 users = sUserManager.getUserIds(); 18618 } else { 18619 users = new int[] { userId }; 18620 } 18621 final ClearStorageConnection conn = new ClearStorageConnection(); 18622 if (mContext.bindServiceAsUser( 18623 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 18624 try { 18625 for (int curUser : users) { 18626 long timeout = SystemClock.uptimeMillis() + 5000; 18627 synchronized (conn) { 18628 long now; 18629 while (conn.mContainerService == null && 18630 (now = SystemClock.uptimeMillis()) < timeout) { 18631 try { 18632 conn.wait(timeout - now); 18633 } catch (InterruptedException e) { 18634 } 18635 } 18636 } 18637 if (conn.mContainerService == null) { 18638 return; 18639 } 18640 18641 final UserEnvironment userEnv = new UserEnvironment(curUser); 18642 clearDirectory(conn.mContainerService, 18643 userEnv.buildExternalStorageAppCacheDirs(packageName)); 18644 if (allData) { 18645 clearDirectory(conn.mContainerService, 18646 userEnv.buildExternalStorageAppDataDirs(packageName)); 18647 clearDirectory(conn.mContainerService, 18648 userEnv.buildExternalStorageAppMediaDirs(packageName)); 18649 } 18650 } 18651 } finally { 18652 mContext.unbindService(conn); 18653 } 18654 } 18655 } 18656 18657 @Override 18658 public void clearApplicationProfileData(String packageName) { 18659 enforceSystemOrRoot("Only the system can clear all profile data"); 18660 18661 final PackageParser.Package pkg; 18662 synchronized (mPackages) { 18663 pkg = mPackages.get(packageName); 18664 } 18665 18666 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 18667 synchronized (mInstallLock) { 18668 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 18669 } 18670 } 18671 } 18672 18673 @Override 18674 public void clearApplicationUserData(final String packageName, 18675 final IPackageDataObserver observer, final int userId) { 18676 mContext.enforceCallingOrSelfPermission( 18677 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 18678 18679 enforceCrossUserPermission(Binder.getCallingUid(), userId, 18680 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 18681 18682 if (mProtectedPackages.isPackageDataProtected(userId, packageName)) { 18683 throw new SecurityException("Cannot clear data for a protected package: " 18684 + packageName); 18685 } 18686 // Queue up an async operation since the package deletion may take a little while. 18687 mHandler.post(new Runnable() { 18688 public void run() { 18689 mHandler.removeCallbacks(this); 18690 final boolean succeeded; 18691 try (PackageFreezer freezer = freezePackage(packageName, 18692 "clearApplicationUserData")) { 18693 synchronized (mInstallLock) { 18694 succeeded = clearApplicationUserDataLIF(packageName, userId); 18695 } 18696 clearExternalStorageDataSync(packageName, userId, true); 18697 synchronized (mPackages) { 18698 mInstantAppRegistry.deleteInstantApplicationMetadataLPw( 18699 packageName, userId); 18700 } 18701 } 18702 if (succeeded) { 18703 // invoke DeviceStorageMonitor's update method to clear any notifications 18704 DeviceStorageMonitorInternal dsm = LocalServices 18705 .getService(DeviceStorageMonitorInternal.class); 18706 if (dsm != null) { 18707 dsm.checkMemory(); 18708 } 18709 } 18710 if(observer != null) { 18711 try { 18712 observer.onRemoveCompleted(packageName, succeeded); 18713 } catch (RemoteException e) { 18714 Log.i(TAG, "Observer no longer exists."); 18715 } 18716 } //end if observer 18717 } //end run 18718 }); 18719 } 18720 18721 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 18722 if (packageName == null) { 18723 Slog.w(TAG, "Attempt to delete null packageName."); 18724 return false; 18725 } 18726 18727 // Try finding details about the requested package 18728 PackageParser.Package pkg; 18729 synchronized (mPackages) { 18730 pkg = mPackages.get(packageName); 18731 if (pkg == null) { 18732 final PackageSetting ps = mSettings.mPackages.get(packageName); 18733 if (ps != null) { 18734 pkg = ps.pkg; 18735 } 18736 } 18737 18738 if (pkg == null) { 18739 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 18740 return false; 18741 } 18742 18743 PackageSetting ps = (PackageSetting) pkg.mExtras; 18744 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 18745 } 18746 18747 clearAppDataLIF(pkg, userId, 18748 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18749 18750 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 18751 removeKeystoreDataIfNeeded(userId, appId); 18752 18753 UserManagerInternal umInternal = getUserManagerInternal(); 18754 final int flags; 18755 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 18756 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18757 } else if (umInternal.isUserRunning(userId)) { 18758 flags = StorageManager.FLAG_STORAGE_DE; 18759 } else { 18760 flags = 0; 18761 } 18762 prepareAppDataContentsLIF(pkg, userId, flags); 18763 18764 return true; 18765 } 18766 18767 /** 18768 * Reverts user permission state changes (permissions and flags) in 18769 * all packages for a given user. 18770 * 18771 * @param userId The device user for which to do a reset. 18772 */ 18773 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 18774 final int packageCount = mPackages.size(); 18775 for (int i = 0; i < packageCount; i++) { 18776 PackageParser.Package pkg = mPackages.valueAt(i); 18777 PackageSetting ps = (PackageSetting) pkg.mExtras; 18778 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 18779 } 18780 } 18781 18782 private void resetNetworkPolicies(int userId) { 18783 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 18784 } 18785 18786 /** 18787 * Reverts user permission state changes (permissions and flags). 18788 * 18789 * @param ps The package for which to reset. 18790 * @param userId The device user for which to do a reset. 18791 */ 18792 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 18793 final PackageSetting ps, final int userId) { 18794 if (ps.pkg == null) { 18795 return; 18796 } 18797 18798 // These are flags that can change base on user actions. 18799 final int userSettableMask = FLAG_PERMISSION_USER_SET 18800 | FLAG_PERMISSION_USER_FIXED 18801 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 18802 | FLAG_PERMISSION_REVIEW_REQUIRED; 18803 18804 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 18805 | FLAG_PERMISSION_POLICY_FIXED; 18806 18807 boolean writeInstallPermissions = false; 18808 boolean writeRuntimePermissions = false; 18809 18810 final int permissionCount = ps.pkg.requestedPermissions.size(); 18811 for (int i = 0; i < permissionCount; i++) { 18812 String permission = ps.pkg.requestedPermissions.get(i); 18813 18814 BasePermission bp = mSettings.mPermissions.get(permission); 18815 if (bp == null) { 18816 continue; 18817 } 18818 18819 // If shared user we just reset the state to which only this app contributed. 18820 if (ps.sharedUser != null) { 18821 boolean used = false; 18822 final int packageCount = ps.sharedUser.packages.size(); 18823 for (int j = 0; j < packageCount; j++) { 18824 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 18825 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 18826 && pkg.pkg.requestedPermissions.contains(permission)) { 18827 used = true; 18828 break; 18829 } 18830 } 18831 if (used) { 18832 continue; 18833 } 18834 } 18835 18836 PermissionsState permissionsState = ps.getPermissionsState(); 18837 18838 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 18839 18840 // Always clear the user settable flags. 18841 final boolean hasInstallState = permissionsState.getInstallPermissionState( 18842 bp.name) != null; 18843 // If permission review is enabled and this is a legacy app, mark the 18844 // permission as requiring a review as this is the initial state. 18845 int flags = 0; 18846 if (mPermissionReviewRequired 18847 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 18848 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 18849 } 18850 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 18851 if (hasInstallState) { 18852 writeInstallPermissions = true; 18853 } else { 18854 writeRuntimePermissions = true; 18855 } 18856 } 18857 18858 // Below is only runtime permission handling. 18859 if (!bp.isRuntime()) { 18860 continue; 18861 } 18862 18863 // Never clobber system or policy. 18864 if ((oldFlags & policyOrSystemFlags) != 0) { 18865 continue; 18866 } 18867 18868 // If this permission was granted by default, make sure it is. 18869 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 18870 if (permissionsState.grantRuntimePermission(bp, userId) 18871 != PERMISSION_OPERATION_FAILURE) { 18872 writeRuntimePermissions = true; 18873 } 18874 // If permission review is enabled the permissions for a legacy apps 18875 // are represented as constantly granted runtime ones, so don't revoke. 18876 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 18877 // Otherwise, reset the permission. 18878 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 18879 switch (revokeResult) { 18880 case PERMISSION_OPERATION_SUCCESS: 18881 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 18882 writeRuntimePermissions = true; 18883 final int appId = ps.appId; 18884 mHandler.post(new Runnable() { 18885 @Override 18886 public void run() { 18887 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 18888 } 18889 }); 18890 } break; 18891 } 18892 } 18893 } 18894 18895 // Synchronously write as we are taking permissions away. 18896 if (writeRuntimePermissions) { 18897 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 18898 } 18899 18900 // Synchronously write as we are taking permissions away. 18901 if (writeInstallPermissions) { 18902 mSettings.writeLPr(); 18903 } 18904 } 18905 18906 /** 18907 * Remove entries from the keystore daemon. Will only remove it if the 18908 * {@code appId} is valid. 18909 */ 18910 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 18911 if (appId < 0) { 18912 return; 18913 } 18914 18915 final KeyStore keyStore = KeyStore.getInstance(); 18916 if (keyStore != null) { 18917 if (userId == UserHandle.USER_ALL) { 18918 for (final int individual : sUserManager.getUserIds()) { 18919 keyStore.clearUid(UserHandle.getUid(individual, appId)); 18920 } 18921 } else { 18922 keyStore.clearUid(UserHandle.getUid(userId, appId)); 18923 } 18924 } else { 18925 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 18926 } 18927 } 18928 18929 @Override 18930 public void deleteApplicationCacheFiles(final String packageName, 18931 final IPackageDataObserver observer) { 18932 final int userId = UserHandle.getCallingUserId(); 18933 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 18934 } 18935 18936 @Override 18937 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 18938 final IPackageDataObserver observer) { 18939 mContext.enforceCallingOrSelfPermission( 18940 android.Manifest.permission.DELETE_CACHE_FILES, null); 18941 enforceCrossUserPermission(Binder.getCallingUid(), userId, 18942 /* requireFullPermission= */ true, /* checkShell= */ false, 18943 "delete application cache files"); 18944 18945 final PackageParser.Package pkg; 18946 synchronized (mPackages) { 18947 pkg = mPackages.get(packageName); 18948 } 18949 18950 // Queue up an async operation since the package deletion may take a little while. 18951 mHandler.post(new Runnable() { 18952 public void run() { 18953 synchronized (mInstallLock) { 18954 final int flags = StorageManager.FLAG_STORAGE_DE 18955 | StorageManager.FLAG_STORAGE_CE; 18956 // We're only clearing cache files, so we don't care if the 18957 // app is unfrozen and still able to run 18958 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 18959 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 18960 } 18961 clearExternalStorageDataSync(packageName, userId, false); 18962 if (observer != null) { 18963 try { 18964 observer.onRemoveCompleted(packageName, true); 18965 } catch (RemoteException e) { 18966 Log.i(TAG, "Observer no longer exists."); 18967 } 18968 } 18969 } 18970 }); 18971 } 18972 18973 @Override 18974 public void getPackageSizeInfo(final String packageName, int userHandle, 18975 final IPackageStatsObserver observer) { 18976 throw new UnsupportedOperationException( 18977 "Shame on you for calling the hidden API getPackageSizeInfo(). Shame!"); 18978 } 18979 18980 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 18981 final PackageSetting ps; 18982 synchronized (mPackages) { 18983 ps = mSettings.mPackages.get(packageName); 18984 if (ps == null) { 18985 Slog.w(TAG, "Failed to find settings for " + packageName); 18986 return false; 18987 } 18988 } 18989 18990 final String[] packageNames = { packageName }; 18991 final long[] ceDataInodes = { ps.getCeDataInode(userId) }; 18992 final String[] codePaths = { ps.codePathString }; 18993 18994 try { 18995 mInstaller.getAppSize(ps.volumeUuid, packageNames, userId, 0, 18996 ps.appId, ceDataInodes, codePaths, stats); 18997 18998 // For now, ignore code size of packages on system partition 18999 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 19000 stats.codeSize = 0; 19001 } 19002 19003 // External clients expect these to be tracked separately 19004 stats.dataSize -= stats.cacheSize; 19005 19006 } catch (InstallerException e) { 19007 Slog.w(TAG, String.valueOf(e)); 19008 return false; 19009 } 19010 19011 return true; 19012 } 19013 19014 private int getUidTargetSdkVersionLockedLPr(int uid) { 19015 Object obj = mSettings.getUserIdLPr(uid); 19016 if (obj instanceof SharedUserSetting) { 19017 final SharedUserSetting sus = (SharedUserSetting) obj; 19018 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 19019 final Iterator<PackageSetting> it = sus.packages.iterator(); 19020 while (it.hasNext()) { 19021 final PackageSetting ps = it.next(); 19022 if (ps.pkg != null) { 19023 int v = ps.pkg.applicationInfo.targetSdkVersion; 19024 if (v < vers) vers = v; 19025 } 19026 } 19027 return vers; 19028 } else if (obj instanceof PackageSetting) { 19029 final PackageSetting ps = (PackageSetting) obj; 19030 if (ps.pkg != null) { 19031 return ps.pkg.applicationInfo.targetSdkVersion; 19032 } 19033 } 19034 return Build.VERSION_CODES.CUR_DEVELOPMENT; 19035 } 19036 19037 @Override 19038 public void addPreferredActivity(IntentFilter filter, int match, 19039 ComponentName[] set, ComponentName activity, int userId) { 19040 addPreferredActivityInternal(filter, match, set, activity, true, userId, 19041 "Adding preferred"); 19042 } 19043 19044 private void addPreferredActivityInternal(IntentFilter filter, int match, 19045 ComponentName[] set, ComponentName activity, boolean always, int userId, 19046 String opname) { 19047 // writer 19048 int callingUid = Binder.getCallingUid(); 19049 enforceCrossUserPermission(callingUid, userId, 19050 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 19051 if (filter.countActions() == 0) { 19052 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 19053 return; 19054 } 19055 synchronized (mPackages) { 19056 if (mContext.checkCallingOrSelfPermission( 19057 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 19058 != PackageManager.PERMISSION_GRANTED) { 19059 if (getUidTargetSdkVersionLockedLPr(callingUid) 19060 < Build.VERSION_CODES.FROYO) { 19061 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 19062 + callingUid); 19063 return; 19064 } 19065 mContext.enforceCallingOrSelfPermission( 19066 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 19067 } 19068 19069 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 19070 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 19071 + userId + ":"); 19072 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 19073 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 19074 scheduleWritePackageRestrictionsLocked(userId); 19075 postPreferredActivityChangedBroadcast(userId); 19076 } 19077 } 19078 19079 private void postPreferredActivityChangedBroadcast(int userId) { 19080 mHandler.post(() -> { 19081 final IActivityManager am = ActivityManager.getService(); 19082 if (am == null) { 19083 return; 19084 } 19085 19086 final Intent intent = new Intent(Intent.ACTION_PREFERRED_ACTIVITY_CHANGED); 19087 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 19088 try { 19089 am.broadcastIntent(null, intent, null, null, 19090 0, null, null, null, android.app.AppOpsManager.OP_NONE, 19091 null, false, false, userId); 19092 } catch (RemoteException e) { 19093 } 19094 }); 19095 } 19096 19097 @Override 19098 public void replacePreferredActivity(IntentFilter filter, int match, 19099 ComponentName[] set, ComponentName activity, int userId) { 19100 if (filter.countActions() != 1) { 19101 throw new IllegalArgumentException( 19102 "replacePreferredActivity expects filter to have only 1 action."); 19103 } 19104 if (filter.countDataAuthorities() != 0 19105 || filter.countDataPaths() != 0 19106 || filter.countDataSchemes() > 1 19107 || filter.countDataTypes() != 0) { 19108 throw new IllegalArgumentException( 19109 "replacePreferredActivity expects filter to have no data authorities, " + 19110 "paths, or types; and at most one scheme."); 19111 } 19112 19113 final int callingUid = Binder.getCallingUid(); 19114 enforceCrossUserPermission(callingUid, userId, 19115 true /* requireFullPermission */, false /* checkShell */, 19116 "replace preferred activity"); 19117 synchronized (mPackages) { 19118 if (mContext.checkCallingOrSelfPermission( 19119 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 19120 != PackageManager.PERMISSION_GRANTED) { 19121 if (getUidTargetSdkVersionLockedLPr(callingUid) 19122 < Build.VERSION_CODES.FROYO) { 19123 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 19124 + Binder.getCallingUid()); 19125 return; 19126 } 19127 mContext.enforceCallingOrSelfPermission( 19128 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 19129 } 19130 19131 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 19132 if (pir != null) { 19133 // Get all of the existing entries that exactly match this filter. 19134 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 19135 if (existing != null && existing.size() == 1) { 19136 PreferredActivity cur = existing.get(0); 19137 if (DEBUG_PREFERRED) { 19138 Slog.i(TAG, "Checking replace of preferred:"); 19139 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 19140 if (!cur.mPref.mAlways) { 19141 Slog.i(TAG, " -- CUR; not mAlways!"); 19142 } else { 19143 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 19144 Slog.i(TAG, " -- CUR: mSet=" 19145 + Arrays.toString(cur.mPref.mSetComponents)); 19146 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 19147 Slog.i(TAG, " -- NEW: mMatch=" 19148 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 19149 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 19150 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 19151 } 19152 } 19153 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 19154 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 19155 && cur.mPref.sameSet(set)) { 19156 // Setting the preferred activity to what it happens to be already 19157 if (DEBUG_PREFERRED) { 19158 Slog.i(TAG, "Replacing with same preferred activity " 19159 + cur.mPref.mShortComponent + " for user " 19160 + userId + ":"); 19161 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 19162 } 19163 return; 19164 } 19165 } 19166 19167 if (existing != null) { 19168 if (DEBUG_PREFERRED) { 19169 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 19170 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 19171 } 19172 for (int i = 0; i < existing.size(); i++) { 19173 PreferredActivity pa = existing.get(i); 19174 if (DEBUG_PREFERRED) { 19175 Slog.i(TAG, "Removing existing preferred activity " 19176 + pa.mPref.mComponent + ":"); 19177 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 19178 } 19179 pir.removeFilter(pa); 19180 } 19181 } 19182 } 19183 addPreferredActivityInternal(filter, match, set, activity, true, userId, 19184 "Replacing preferred"); 19185 } 19186 } 19187 19188 @Override 19189 public void clearPackagePreferredActivities(String packageName) { 19190 final int uid = Binder.getCallingUid(); 19191 // writer 19192 synchronized (mPackages) { 19193 PackageParser.Package pkg = mPackages.get(packageName); 19194 if (pkg == null || pkg.applicationInfo.uid != uid) { 19195 if (mContext.checkCallingOrSelfPermission( 19196 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 19197 != PackageManager.PERMISSION_GRANTED) { 19198 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 19199 < Build.VERSION_CODES.FROYO) { 19200 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 19201 + Binder.getCallingUid()); 19202 return; 19203 } 19204 mContext.enforceCallingOrSelfPermission( 19205 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 19206 } 19207 } 19208 19209 int user = UserHandle.getCallingUserId(); 19210 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 19211 scheduleWritePackageRestrictionsLocked(user); 19212 } 19213 } 19214 } 19215 19216 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 19217 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 19218 ArrayList<PreferredActivity> removed = null; 19219 boolean changed = false; 19220 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 19221 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 19222 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 19223 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 19224 continue; 19225 } 19226 Iterator<PreferredActivity> it = pir.filterIterator(); 19227 while (it.hasNext()) { 19228 PreferredActivity pa = it.next(); 19229 // Mark entry for removal only if it matches the package name 19230 // and the entry is of type "always". 19231 if (packageName == null || 19232 (pa.mPref.mComponent.getPackageName().equals(packageName) 19233 && pa.mPref.mAlways)) { 19234 if (removed == null) { 19235 removed = new ArrayList<PreferredActivity>(); 19236 } 19237 removed.add(pa); 19238 } 19239 } 19240 if (removed != null) { 19241 for (int j=0; j<removed.size(); j++) { 19242 PreferredActivity pa = removed.get(j); 19243 pir.removeFilter(pa); 19244 } 19245 changed = true; 19246 } 19247 } 19248 if (changed) { 19249 postPreferredActivityChangedBroadcast(userId); 19250 } 19251 return changed; 19252 } 19253 19254 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 19255 private void clearIntentFilterVerificationsLPw(int userId) { 19256 final int packageCount = mPackages.size(); 19257 for (int i = 0; i < packageCount; i++) { 19258 PackageParser.Package pkg = mPackages.valueAt(i); 19259 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 19260 } 19261 } 19262 19263 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 19264 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 19265 if (userId == UserHandle.USER_ALL) { 19266 if (mSettings.removeIntentFilterVerificationLPw(packageName, 19267 sUserManager.getUserIds())) { 19268 for (int oneUserId : sUserManager.getUserIds()) { 19269 scheduleWritePackageRestrictionsLocked(oneUserId); 19270 } 19271 } 19272 } else { 19273 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 19274 scheduleWritePackageRestrictionsLocked(userId); 19275 } 19276 } 19277 } 19278 19279 void clearDefaultBrowserIfNeeded(String packageName) { 19280 for (int oneUserId : sUserManager.getUserIds()) { 19281 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 19282 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 19283 if (packageName.equals(defaultBrowserPackageName)) { 19284 setDefaultBrowserPackageName(null, oneUserId); 19285 } 19286 } 19287 } 19288 19289 @Override 19290 public void resetApplicationPreferences(int userId) { 19291 mContext.enforceCallingOrSelfPermission( 19292 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 19293 final long identity = Binder.clearCallingIdentity(); 19294 // writer 19295 try { 19296 synchronized (mPackages) { 19297 clearPackagePreferredActivitiesLPw(null, userId); 19298 mSettings.applyDefaultPreferredAppsLPw(this, userId); 19299 // TODO: We have to reset the default SMS and Phone. This requires 19300 // significant refactoring to keep all default apps in the package 19301 // manager (cleaner but more work) or have the services provide 19302 // callbacks to the package manager to request a default app reset. 19303 applyFactoryDefaultBrowserLPw(userId); 19304 clearIntentFilterVerificationsLPw(userId); 19305 primeDomainVerificationsLPw(userId); 19306 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 19307 scheduleWritePackageRestrictionsLocked(userId); 19308 } 19309 resetNetworkPolicies(userId); 19310 } finally { 19311 Binder.restoreCallingIdentity(identity); 19312 } 19313 } 19314 19315 @Override 19316 public int getPreferredActivities(List<IntentFilter> outFilters, 19317 List<ComponentName> outActivities, String packageName) { 19318 19319 int num = 0; 19320 final int userId = UserHandle.getCallingUserId(); 19321 // reader 19322 synchronized (mPackages) { 19323 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 19324 if (pir != null) { 19325 final Iterator<PreferredActivity> it = pir.filterIterator(); 19326 while (it.hasNext()) { 19327 final PreferredActivity pa = it.next(); 19328 if (packageName == null 19329 || (pa.mPref.mComponent.getPackageName().equals(packageName) 19330 && pa.mPref.mAlways)) { 19331 if (outFilters != null) { 19332 outFilters.add(new IntentFilter(pa)); 19333 } 19334 if (outActivities != null) { 19335 outActivities.add(pa.mPref.mComponent); 19336 } 19337 } 19338 } 19339 } 19340 } 19341 19342 return num; 19343 } 19344 19345 @Override 19346 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 19347 int userId) { 19348 int callingUid = Binder.getCallingUid(); 19349 if (callingUid != Process.SYSTEM_UID) { 19350 throw new SecurityException( 19351 "addPersistentPreferredActivity can only be run by the system"); 19352 } 19353 if (filter.countActions() == 0) { 19354 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 19355 return; 19356 } 19357 synchronized (mPackages) { 19358 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 19359 ":"); 19360 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 19361 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 19362 new PersistentPreferredActivity(filter, activity)); 19363 scheduleWritePackageRestrictionsLocked(userId); 19364 postPreferredActivityChangedBroadcast(userId); 19365 } 19366 } 19367 19368 @Override 19369 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 19370 int callingUid = Binder.getCallingUid(); 19371 if (callingUid != Process.SYSTEM_UID) { 19372 throw new SecurityException( 19373 "clearPackagePersistentPreferredActivities can only be run by the system"); 19374 } 19375 ArrayList<PersistentPreferredActivity> removed = null; 19376 boolean changed = false; 19377 synchronized (mPackages) { 19378 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 19379 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 19380 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 19381 .valueAt(i); 19382 if (userId != thisUserId) { 19383 continue; 19384 } 19385 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 19386 while (it.hasNext()) { 19387 PersistentPreferredActivity ppa = it.next(); 19388 // Mark entry for removal only if it matches the package name. 19389 if (ppa.mComponent.getPackageName().equals(packageName)) { 19390 if (removed == null) { 19391 removed = new ArrayList<PersistentPreferredActivity>(); 19392 } 19393 removed.add(ppa); 19394 } 19395 } 19396 if (removed != null) { 19397 for (int j=0; j<removed.size(); j++) { 19398 PersistentPreferredActivity ppa = removed.get(j); 19399 ppir.removeFilter(ppa); 19400 } 19401 changed = true; 19402 } 19403 } 19404 19405 if (changed) { 19406 scheduleWritePackageRestrictionsLocked(userId); 19407 postPreferredActivityChangedBroadcast(userId); 19408 } 19409 } 19410 } 19411 19412 /** 19413 * Common machinery for picking apart a restored XML blob and passing 19414 * it to a caller-supplied functor to be applied to the running system. 19415 */ 19416 private void restoreFromXml(XmlPullParser parser, int userId, 19417 String expectedStartTag, BlobXmlRestorer functor) 19418 throws IOException, XmlPullParserException { 19419 int type; 19420 while ((type = parser.next()) != XmlPullParser.START_TAG 19421 && type != XmlPullParser.END_DOCUMENT) { 19422 } 19423 if (type != XmlPullParser.START_TAG) { 19424 // oops didn't find a start tag?! 19425 if (DEBUG_BACKUP) { 19426 Slog.e(TAG, "Didn't find start tag during restore"); 19427 } 19428 return; 19429 } 19430Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 19431 // this is supposed to be TAG_PREFERRED_BACKUP 19432 if (!expectedStartTag.equals(parser.getName())) { 19433 if (DEBUG_BACKUP) { 19434 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 19435 } 19436 return; 19437 } 19438 19439 // skip interfering stuff, then we're aligned with the backing implementation 19440 while ((type = parser.next()) == XmlPullParser.TEXT) { } 19441Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 19442 functor.apply(parser, userId); 19443 } 19444 19445 private interface BlobXmlRestorer { 19446 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 19447 } 19448 19449 /** 19450 * Non-Binder method, support for the backup/restore mechanism: write the 19451 * full set of preferred activities in its canonical XML format. Returns the 19452 * XML output as a byte array, or null if there is none. 19453 */ 19454 @Override 19455 public byte[] getPreferredActivityBackup(int userId) { 19456 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19457 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 19458 } 19459 19460 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19461 try { 19462 final XmlSerializer serializer = new FastXmlSerializer(); 19463 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19464 serializer.startDocument(null, true); 19465 serializer.startTag(null, TAG_PREFERRED_BACKUP); 19466 19467 synchronized (mPackages) { 19468 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 19469 } 19470 19471 serializer.endTag(null, TAG_PREFERRED_BACKUP); 19472 serializer.endDocument(); 19473 serializer.flush(); 19474 } catch (Exception e) { 19475 if (DEBUG_BACKUP) { 19476 Slog.e(TAG, "Unable to write preferred activities for backup", e); 19477 } 19478 return null; 19479 } 19480 19481 return dataStream.toByteArray(); 19482 } 19483 19484 @Override 19485 public void restorePreferredActivities(byte[] backup, int userId) { 19486 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19487 throw new SecurityException("Only the system may call restorePreferredActivities()"); 19488 } 19489 19490 try { 19491 final XmlPullParser parser = Xml.newPullParser(); 19492 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19493 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 19494 new BlobXmlRestorer() { 19495 @Override 19496 public void apply(XmlPullParser parser, int userId) 19497 throws XmlPullParserException, IOException { 19498 synchronized (mPackages) { 19499 mSettings.readPreferredActivitiesLPw(parser, userId); 19500 } 19501 } 19502 } ); 19503 } catch (Exception e) { 19504 if (DEBUG_BACKUP) { 19505 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19506 } 19507 } 19508 } 19509 19510 /** 19511 * Non-Binder method, support for the backup/restore mechanism: write the 19512 * default browser (etc) settings in its canonical XML format. Returns the default 19513 * browser XML representation as a byte array, or null if there is none. 19514 */ 19515 @Override 19516 public byte[] getDefaultAppsBackup(int userId) { 19517 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19518 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 19519 } 19520 19521 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19522 try { 19523 final XmlSerializer serializer = new FastXmlSerializer(); 19524 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19525 serializer.startDocument(null, true); 19526 serializer.startTag(null, TAG_DEFAULT_APPS); 19527 19528 synchronized (mPackages) { 19529 mSettings.writeDefaultAppsLPr(serializer, userId); 19530 } 19531 19532 serializer.endTag(null, TAG_DEFAULT_APPS); 19533 serializer.endDocument(); 19534 serializer.flush(); 19535 } catch (Exception e) { 19536 if (DEBUG_BACKUP) { 19537 Slog.e(TAG, "Unable to write default apps for backup", e); 19538 } 19539 return null; 19540 } 19541 19542 return dataStream.toByteArray(); 19543 } 19544 19545 @Override 19546 public void restoreDefaultApps(byte[] backup, int userId) { 19547 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19548 throw new SecurityException("Only the system may call restoreDefaultApps()"); 19549 } 19550 19551 try { 19552 final XmlPullParser parser = Xml.newPullParser(); 19553 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19554 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 19555 new BlobXmlRestorer() { 19556 @Override 19557 public void apply(XmlPullParser parser, int userId) 19558 throws XmlPullParserException, IOException { 19559 synchronized (mPackages) { 19560 mSettings.readDefaultAppsLPw(parser, userId); 19561 } 19562 } 19563 } ); 19564 } catch (Exception e) { 19565 if (DEBUG_BACKUP) { 19566 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 19567 } 19568 } 19569 } 19570 19571 @Override 19572 public byte[] getIntentFilterVerificationBackup(int userId) { 19573 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19574 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 19575 } 19576 19577 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19578 try { 19579 final XmlSerializer serializer = new FastXmlSerializer(); 19580 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19581 serializer.startDocument(null, true); 19582 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 19583 19584 synchronized (mPackages) { 19585 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 19586 } 19587 19588 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 19589 serializer.endDocument(); 19590 serializer.flush(); 19591 } catch (Exception e) { 19592 if (DEBUG_BACKUP) { 19593 Slog.e(TAG, "Unable to write default apps for backup", e); 19594 } 19595 return null; 19596 } 19597 19598 return dataStream.toByteArray(); 19599 } 19600 19601 @Override 19602 public void restoreIntentFilterVerification(byte[] backup, int userId) { 19603 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19604 throw new SecurityException("Only the system may call restorePreferredActivities()"); 19605 } 19606 19607 try { 19608 final XmlPullParser parser = Xml.newPullParser(); 19609 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19610 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 19611 new BlobXmlRestorer() { 19612 @Override 19613 public void apply(XmlPullParser parser, int userId) 19614 throws XmlPullParserException, IOException { 19615 synchronized (mPackages) { 19616 mSettings.readAllDomainVerificationsLPr(parser, userId); 19617 mSettings.writeLPr(); 19618 } 19619 } 19620 } ); 19621 } catch (Exception e) { 19622 if (DEBUG_BACKUP) { 19623 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19624 } 19625 } 19626 } 19627 19628 @Override 19629 public byte[] getPermissionGrantBackup(int userId) { 19630 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19631 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 19632 } 19633 19634 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19635 try { 19636 final XmlSerializer serializer = new FastXmlSerializer(); 19637 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19638 serializer.startDocument(null, true); 19639 serializer.startTag(null, TAG_PERMISSION_BACKUP); 19640 19641 synchronized (mPackages) { 19642 serializeRuntimePermissionGrantsLPr(serializer, userId); 19643 } 19644 19645 serializer.endTag(null, TAG_PERMISSION_BACKUP); 19646 serializer.endDocument(); 19647 serializer.flush(); 19648 } catch (Exception e) { 19649 if (DEBUG_BACKUP) { 19650 Slog.e(TAG, "Unable to write default apps for backup", e); 19651 } 19652 return null; 19653 } 19654 19655 return dataStream.toByteArray(); 19656 } 19657 19658 @Override 19659 public void restorePermissionGrants(byte[] backup, int userId) { 19660 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19661 throw new SecurityException("Only the system may call restorePermissionGrants()"); 19662 } 19663 19664 try { 19665 final XmlPullParser parser = Xml.newPullParser(); 19666 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19667 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 19668 new BlobXmlRestorer() { 19669 @Override 19670 public void apply(XmlPullParser parser, int userId) 19671 throws XmlPullParserException, IOException { 19672 synchronized (mPackages) { 19673 processRestoredPermissionGrantsLPr(parser, userId); 19674 } 19675 } 19676 } ); 19677 } catch (Exception e) { 19678 if (DEBUG_BACKUP) { 19679 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19680 } 19681 } 19682 } 19683 19684 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 19685 throws IOException { 19686 serializer.startTag(null, TAG_ALL_GRANTS); 19687 19688 final int N = mSettings.mPackages.size(); 19689 for (int i = 0; i < N; i++) { 19690 final PackageSetting ps = mSettings.mPackages.valueAt(i); 19691 boolean pkgGrantsKnown = false; 19692 19693 PermissionsState packagePerms = ps.getPermissionsState(); 19694 19695 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 19696 final int grantFlags = state.getFlags(); 19697 // only look at grants that are not system/policy fixed 19698 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 19699 final boolean isGranted = state.isGranted(); 19700 // And only back up the user-twiddled state bits 19701 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 19702 final String packageName = mSettings.mPackages.keyAt(i); 19703 if (!pkgGrantsKnown) { 19704 serializer.startTag(null, TAG_GRANT); 19705 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 19706 pkgGrantsKnown = true; 19707 } 19708 19709 final boolean userSet = 19710 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 19711 final boolean userFixed = 19712 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 19713 final boolean revoke = 19714 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 19715 19716 serializer.startTag(null, TAG_PERMISSION); 19717 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 19718 if (isGranted) { 19719 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 19720 } 19721 if (userSet) { 19722 serializer.attribute(null, ATTR_USER_SET, "true"); 19723 } 19724 if (userFixed) { 19725 serializer.attribute(null, ATTR_USER_FIXED, "true"); 19726 } 19727 if (revoke) { 19728 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 19729 } 19730 serializer.endTag(null, TAG_PERMISSION); 19731 } 19732 } 19733 } 19734 19735 if (pkgGrantsKnown) { 19736 serializer.endTag(null, TAG_GRANT); 19737 } 19738 } 19739 19740 serializer.endTag(null, TAG_ALL_GRANTS); 19741 } 19742 19743 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 19744 throws XmlPullParserException, IOException { 19745 String pkgName = null; 19746 int outerDepth = parser.getDepth(); 19747 int type; 19748 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 19749 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 19750 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 19751 continue; 19752 } 19753 19754 final String tagName = parser.getName(); 19755 if (tagName.equals(TAG_GRANT)) { 19756 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 19757 if (DEBUG_BACKUP) { 19758 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 19759 } 19760 } else if (tagName.equals(TAG_PERMISSION)) { 19761 19762 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 19763 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 19764 19765 int newFlagSet = 0; 19766 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 19767 newFlagSet |= FLAG_PERMISSION_USER_SET; 19768 } 19769 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 19770 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 19771 } 19772 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 19773 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 19774 } 19775 if (DEBUG_BACKUP) { 19776 Slog.v(TAG, " + Restoring grant: pkg=" + pkgName + " perm=" + permName 19777 + " granted=" + isGranted + " bits=0x" + Integer.toHexString(newFlagSet)); 19778 } 19779 final PackageSetting ps = mSettings.mPackages.get(pkgName); 19780 if (ps != null) { 19781 // Already installed so we apply the grant immediately 19782 if (DEBUG_BACKUP) { 19783 Slog.v(TAG, " + already installed; applying"); 19784 } 19785 PermissionsState perms = ps.getPermissionsState(); 19786 BasePermission bp = mSettings.mPermissions.get(permName); 19787 if (bp != null) { 19788 if (isGranted) { 19789 perms.grantRuntimePermission(bp, userId); 19790 } 19791 if (newFlagSet != 0) { 19792 perms.updatePermissionFlags(bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 19793 } 19794 } 19795 } else { 19796 // Need to wait for post-restore install to apply the grant 19797 if (DEBUG_BACKUP) { 19798 Slog.v(TAG, " - not yet installed; saving for later"); 19799 } 19800 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 19801 isGranted, newFlagSet, userId); 19802 } 19803 } else { 19804 PackageManagerService.reportSettingsProblem(Log.WARN, 19805 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 19806 XmlUtils.skipCurrentTag(parser); 19807 } 19808 } 19809 19810 scheduleWriteSettingsLocked(); 19811 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 19812 } 19813 19814 @Override 19815 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 19816 int sourceUserId, int targetUserId, int flags) { 19817 mContext.enforceCallingOrSelfPermission( 19818 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 19819 int callingUid = Binder.getCallingUid(); 19820 enforceOwnerRights(ownerPackage, callingUid); 19821 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 19822 if (intentFilter.countActions() == 0) { 19823 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 19824 return; 19825 } 19826 synchronized (mPackages) { 19827 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 19828 ownerPackage, targetUserId, flags); 19829 CrossProfileIntentResolver resolver = 19830 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 19831 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 19832 // We have all those whose filter is equal. Now checking if the rest is equal as well. 19833 if (existing != null) { 19834 int size = existing.size(); 19835 for (int i = 0; i < size; i++) { 19836 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 19837 return; 19838 } 19839 } 19840 } 19841 resolver.addFilter(newFilter); 19842 scheduleWritePackageRestrictionsLocked(sourceUserId); 19843 } 19844 } 19845 19846 @Override 19847 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 19848 mContext.enforceCallingOrSelfPermission( 19849 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 19850 int callingUid = Binder.getCallingUid(); 19851 enforceOwnerRights(ownerPackage, callingUid); 19852 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 19853 synchronized (mPackages) { 19854 CrossProfileIntentResolver resolver = 19855 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 19856 ArraySet<CrossProfileIntentFilter> set = 19857 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 19858 for (CrossProfileIntentFilter filter : set) { 19859 if (filter.getOwnerPackage().equals(ownerPackage)) { 19860 resolver.removeFilter(filter); 19861 } 19862 } 19863 scheduleWritePackageRestrictionsLocked(sourceUserId); 19864 } 19865 } 19866 19867 // Enforcing that callingUid is owning pkg on userId 19868 private void enforceOwnerRights(String pkg, int callingUid) { 19869 // The system owns everything. 19870 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 19871 return; 19872 } 19873 int callingUserId = UserHandle.getUserId(callingUid); 19874 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 19875 if (pi == null) { 19876 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 19877 + callingUserId); 19878 } 19879 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 19880 throw new SecurityException("Calling uid " + callingUid 19881 + " does not own package " + pkg); 19882 } 19883 } 19884 19885 @Override 19886 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 19887 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 19888 } 19889 19890 /** 19891 * Report the 'Home' activity which is currently set as "always use this one". If non is set 19892 * then reports the most likely home activity or null if there are more than one. 19893 */ 19894 public ComponentName getDefaultHomeActivity(int userId) { 19895 List<ResolveInfo> allHomeCandidates = new ArrayList<>(); 19896 ComponentName cn = getHomeActivitiesAsUser(allHomeCandidates, userId); 19897 if (cn != null) { 19898 return cn; 19899 } 19900 19901 // Find the launcher with the highest priority and return that component if there are no 19902 // other home activity with the same priority. 19903 int lastPriority = Integer.MIN_VALUE; 19904 ComponentName lastComponent = null; 19905 final int size = allHomeCandidates.size(); 19906 for (int i = 0; i < size; i++) { 19907 final ResolveInfo ri = allHomeCandidates.get(i); 19908 if (ri.priority > lastPriority) { 19909 lastComponent = ri.activityInfo.getComponentName(); 19910 lastPriority = ri.priority; 19911 } else if (ri.priority == lastPriority) { 19912 // Two components found with same priority. 19913 lastComponent = null; 19914 } 19915 } 19916 return lastComponent; 19917 } 19918 19919 private Intent getHomeIntent() { 19920 Intent intent = new Intent(Intent.ACTION_MAIN); 19921 intent.addCategory(Intent.CATEGORY_HOME); 19922 intent.addCategory(Intent.CATEGORY_DEFAULT); 19923 return intent; 19924 } 19925 19926 private IntentFilter getHomeFilter() { 19927 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 19928 filter.addCategory(Intent.CATEGORY_HOME); 19929 filter.addCategory(Intent.CATEGORY_DEFAULT); 19930 return filter; 19931 } 19932 19933 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 19934 int userId) { 19935 Intent intent = getHomeIntent(); 19936 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 19937 PackageManager.GET_META_DATA, userId); 19938 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 19939 true, false, false, userId); 19940 19941 allHomeCandidates.clear(); 19942 if (list != null) { 19943 for (ResolveInfo ri : list) { 19944 allHomeCandidates.add(ri); 19945 } 19946 } 19947 return (preferred == null || preferred.activityInfo == null) 19948 ? null 19949 : new ComponentName(preferred.activityInfo.packageName, 19950 preferred.activityInfo.name); 19951 } 19952 19953 @Override 19954 public void setHomeActivity(ComponentName comp, int userId) { 19955 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 19956 getHomeActivitiesAsUser(homeActivities, userId); 19957 19958 boolean found = false; 19959 19960 final int size = homeActivities.size(); 19961 final ComponentName[] set = new ComponentName[size]; 19962 for (int i = 0; i < size; i++) { 19963 final ResolveInfo candidate = homeActivities.get(i); 19964 final ActivityInfo info = candidate.activityInfo; 19965 final ComponentName activityName = new ComponentName(info.packageName, info.name); 19966 set[i] = activityName; 19967 if (!found && activityName.equals(comp)) { 19968 found = true; 19969 } 19970 } 19971 if (!found) { 19972 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 19973 + userId); 19974 } 19975 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 19976 set, comp, userId); 19977 } 19978 19979 private @Nullable String getSetupWizardPackageName() { 19980 final Intent intent = new Intent(Intent.ACTION_MAIN); 19981 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 19982 19983 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 19984 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 19985 | MATCH_DISABLED_COMPONENTS, 19986 UserHandle.myUserId()); 19987 if (matches.size() == 1) { 19988 return matches.get(0).getComponentInfo().packageName; 19989 } else { 19990 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 19991 + ": matches=" + matches); 19992 return null; 19993 } 19994 } 19995 19996 private @Nullable String getStorageManagerPackageName() { 19997 final Intent intent = new Intent(StorageManager.ACTION_MANAGE_STORAGE); 19998 19999 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 20000 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 20001 | MATCH_DISABLED_COMPONENTS, 20002 UserHandle.myUserId()); 20003 if (matches.size() == 1) { 20004 return matches.get(0).getComponentInfo().packageName; 20005 } else { 20006 Slog.e(TAG, "There should probably be exactly one storage manager; found " 20007 + matches.size() + ": matches=" + matches); 20008 return null; 20009 } 20010 } 20011 20012 @Override 20013 public void setApplicationEnabledSetting(String appPackageName, 20014 int newState, int flags, int userId, String callingPackage) { 20015 if (!sUserManager.exists(userId)) return; 20016 if (callingPackage == null) { 20017 callingPackage = Integer.toString(Binder.getCallingUid()); 20018 } 20019 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 20020 } 20021 20022 @Override 20023 public void setUpdateAvailable(String packageName, boolean updateAvailable) { 20024 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 20025 synchronized (mPackages) { 20026 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 20027 if (pkgSetting != null) { 20028 pkgSetting.setUpdateAvailable(updateAvailable); 20029 } 20030 } 20031 } 20032 20033 @Override 20034 public void setComponentEnabledSetting(ComponentName componentName, 20035 int newState, int flags, int userId) { 20036 if (!sUserManager.exists(userId)) return; 20037 setEnabledSetting(componentName.getPackageName(), 20038 componentName.getClassName(), newState, flags, userId, null); 20039 } 20040 20041 private void setEnabledSetting(final String packageName, String className, int newState, 20042 final int flags, int userId, String callingPackage) { 20043 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 20044 || newState == COMPONENT_ENABLED_STATE_ENABLED 20045 || newState == COMPONENT_ENABLED_STATE_DISABLED 20046 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 20047 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 20048 throw new IllegalArgumentException("Invalid new component state: " 20049 + newState); 20050 } 20051 PackageSetting pkgSetting; 20052 final int uid = Binder.getCallingUid(); 20053 final int permission; 20054 if (uid == Process.SYSTEM_UID) { 20055 permission = PackageManager.PERMISSION_GRANTED; 20056 } else { 20057 permission = mContext.checkCallingOrSelfPermission( 20058 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 20059 } 20060 enforceCrossUserPermission(uid, userId, 20061 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 20062 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 20063 boolean sendNow = false; 20064 boolean isApp = (className == null); 20065 String componentName = isApp ? packageName : className; 20066 int packageUid = -1; 20067 ArrayList<String> components; 20068 20069 // writer 20070 synchronized (mPackages) { 20071 pkgSetting = mSettings.mPackages.get(packageName); 20072 if (pkgSetting == null) { 20073 if (className == null) { 20074 throw new IllegalArgumentException("Unknown package: " + packageName); 20075 } 20076 throw new IllegalArgumentException( 20077 "Unknown component: " + packageName + "/" + className); 20078 } 20079 } 20080 20081 // Limit who can change which apps 20082 if (!UserHandle.isSameApp(uid, pkgSetting.appId)) { 20083 // Don't allow apps that don't have permission to modify other apps 20084 if (!allowedByPermission) { 20085 throw new SecurityException( 20086 "Permission Denial: attempt to change component state from pid=" 20087 + Binder.getCallingPid() 20088 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 20089 } 20090 // Don't allow changing protected packages. 20091 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 20092 throw new SecurityException("Cannot disable a protected package: " + packageName); 20093 } 20094 } 20095 20096 synchronized (mPackages) { 20097 if (uid == Process.SHELL_UID 20098 && (pkgSetting.pkgFlags & ApplicationInfo.FLAG_TEST_ONLY) == 0) { 20099 // Shell can only change whole packages between ENABLED and DISABLED_USER states 20100 // unless it is a test package. 20101 int oldState = pkgSetting.getEnabled(userId); 20102 if (className == null 20103 && 20104 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 20105 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 20106 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 20107 && 20108 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 20109 || newState == COMPONENT_ENABLED_STATE_DEFAULT 20110 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 20111 // ok 20112 } else { 20113 throw new SecurityException( 20114 "Shell cannot change component state for " + packageName + "/" 20115 + className + " to " + newState); 20116 } 20117 } 20118 if (className == null) { 20119 // We're dealing with an application/package level state change 20120 if (pkgSetting.getEnabled(userId) == newState) { 20121 // Nothing to do 20122 return; 20123 } 20124 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 20125 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 20126 // Don't care about who enables an app. 20127 callingPackage = null; 20128 } 20129 pkgSetting.setEnabled(newState, userId, callingPackage); 20130 // pkgSetting.pkg.mSetEnabled = newState; 20131 } else { 20132 // We're dealing with a component level state change 20133 // First, verify that this is a valid class name. 20134 PackageParser.Package pkg = pkgSetting.pkg; 20135 if (pkg == null || !pkg.hasComponentClassName(className)) { 20136 if (pkg != null && 20137 pkg.applicationInfo.targetSdkVersion >= 20138 Build.VERSION_CODES.JELLY_BEAN) { 20139 throw new IllegalArgumentException("Component class " + className 20140 + " does not exist in " + packageName); 20141 } else { 20142 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 20143 + className + " does not exist in " + packageName); 20144 } 20145 } 20146 switch (newState) { 20147 case COMPONENT_ENABLED_STATE_ENABLED: 20148 if (!pkgSetting.enableComponentLPw(className, userId)) { 20149 return; 20150 } 20151 break; 20152 case COMPONENT_ENABLED_STATE_DISABLED: 20153 if (!pkgSetting.disableComponentLPw(className, userId)) { 20154 return; 20155 } 20156 break; 20157 case COMPONENT_ENABLED_STATE_DEFAULT: 20158 if (!pkgSetting.restoreComponentLPw(className, userId)) { 20159 return; 20160 } 20161 break; 20162 default: 20163 Slog.e(TAG, "Invalid new component state: " + newState); 20164 return; 20165 } 20166 } 20167 scheduleWritePackageRestrictionsLocked(userId); 20168 updateSequenceNumberLP(packageName, new int[] { userId }); 20169 final long callingId = Binder.clearCallingIdentity(); 20170 try { 20171 updateInstantAppInstallerLocked(packageName); 20172 } finally { 20173 Binder.restoreCallingIdentity(callingId); 20174 } 20175 components = mPendingBroadcasts.get(userId, packageName); 20176 final boolean newPackage = components == null; 20177 if (newPackage) { 20178 components = new ArrayList<String>(); 20179 } 20180 if (!components.contains(componentName)) { 20181 components.add(componentName); 20182 } 20183 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 20184 sendNow = true; 20185 // Purge entry from pending broadcast list if another one exists already 20186 // since we are sending one right away. 20187 mPendingBroadcasts.remove(userId, packageName); 20188 } else { 20189 if (newPackage) { 20190 mPendingBroadcasts.put(userId, packageName, components); 20191 } 20192 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 20193 // Schedule a message 20194 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 20195 } 20196 } 20197 } 20198 20199 long callingId = Binder.clearCallingIdentity(); 20200 try { 20201 if (sendNow) { 20202 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 20203 sendPackageChangedBroadcast(packageName, 20204 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 20205 } 20206 } finally { 20207 Binder.restoreCallingIdentity(callingId); 20208 } 20209 } 20210 20211 @Override 20212 public void flushPackageRestrictionsAsUser(int userId) { 20213 if (!sUserManager.exists(userId)) { 20214 return; 20215 } 20216 enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 20217 false /* checkShell */, "flushPackageRestrictions"); 20218 synchronized (mPackages) { 20219 mSettings.writePackageRestrictionsLPr(userId); 20220 mDirtyUsers.remove(userId); 20221 if (mDirtyUsers.isEmpty()) { 20222 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 20223 } 20224 } 20225 } 20226 20227 private void sendPackageChangedBroadcast(String packageName, 20228 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 20229 if (DEBUG_INSTALL) 20230 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 20231 + componentNames); 20232 Bundle extras = new Bundle(4); 20233 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 20234 String nameList[] = new String[componentNames.size()]; 20235 componentNames.toArray(nameList); 20236 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 20237 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 20238 extras.putInt(Intent.EXTRA_UID, packageUid); 20239 // If this is not reporting a change of the overall package, then only send it 20240 // to registered receivers. We don't want to launch a swath of apps for every 20241 // little component state change. 20242 final int flags = !componentNames.contains(packageName) 20243 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 20244 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 20245 new int[] {UserHandle.getUserId(packageUid)}); 20246 } 20247 20248 @Override 20249 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 20250 if (!sUserManager.exists(userId)) return; 20251 final int uid = Binder.getCallingUid(); 20252 final int permission = mContext.checkCallingOrSelfPermission( 20253 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 20254 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 20255 enforceCrossUserPermission(uid, userId, 20256 true /* requireFullPermission */, true /* checkShell */, "stop package"); 20257 // writer 20258 synchronized (mPackages) { 20259 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 20260 allowedByPermission, uid, userId)) { 20261 scheduleWritePackageRestrictionsLocked(userId); 20262 } 20263 } 20264 } 20265 20266 @Override 20267 public String getInstallerPackageName(String packageName) { 20268 // reader 20269 synchronized (mPackages) { 20270 return mSettings.getInstallerPackageNameLPr(packageName); 20271 } 20272 } 20273 20274 public boolean isOrphaned(String packageName) { 20275 // reader 20276 synchronized (mPackages) { 20277 return mSettings.isOrphaned(packageName); 20278 } 20279 } 20280 20281 @Override 20282 public int getApplicationEnabledSetting(String packageName, int userId) { 20283 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 20284 int uid = Binder.getCallingUid(); 20285 enforceCrossUserPermission(uid, userId, 20286 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 20287 // reader 20288 synchronized (mPackages) { 20289 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 20290 } 20291 } 20292 20293 @Override 20294 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 20295 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 20296 int uid = Binder.getCallingUid(); 20297 enforceCrossUserPermission(uid, userId, 20298 false /* requireFullPermission */, false /* checkShell */, "get component enabled"); 20299 // reader 20300 synchronized (mPackages) { 20301 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 20302 } 20303 } 20304 20305 @Override 20306 public void enterSafeMode() { 20307 enforceSystemOrRoot("Only the system can request entering safe mode"); 20308 20309 if (!mSystemReady) { 20310 mSafeMode = true; 20311 } 20312 } 20313 20314 @Override 20315 public void systemReady() { 20316 mSystemReady = true; 20317 final ContentResolver resolver = mContext.getContentResolver(); 20318 ContentObserver co = new ContentObserver(mHandler) { 20319 @Override 20320 public void onChange(boolean selfChange) { 20321 mEphemeralAppsDisabled = 20322 (Global.getInt(resolver, Global.ENABLE_EPHEMERAL_FEATURE, 1) == 0) || 20323 (Secure.getInt(resolver, Secure.INSTANT_APPS_ENABLED, 1) == 0); 20324 } 20325 }; 20326 mContext.getContentResolver().registerContentObserver(android.provider.Settings.Global 20327 .getUriFor(Global.ENABLE_EPHEMERAL_FEATURE), 20328 false, co, UserHandle.USER_SYSTEM); 20329 mContext.getContentResolver().registerContentObserver(android.provider.Settings.Global 20330 .getUriFor(Secure.INSTANT_APPS_ENABLED), false, co, UserHandle.USER_SYSTEM); 20331 co.onChange(true); 20332 20333 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 20334 // disabled after already being started. 20335 CarrierAppUtils.disableCarrierAppsUntilPrivileged(mContext.getOpPackageName(), this, 20336 mContext.getContentResolver(), UserHandle.USER_SYSTEM); 20337 20338 // Read the compatibilty setting when the system is ready. 20339 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 20340 mContext.getContentResolver(), 20341 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 20342 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 20343 if (DEBUG_SETTINGS) { 20344 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 20345 } 20346 20347 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 20348 20349 synchronized (mPackages) { 20350 // Verify that all of the preferred activity components actually 20351 // exist. It is possible for applications to be updated and at 20352 // that point remove a previously declared activity component that 20353 // had been set as a preferred activity. We try to clean this up 20354 // the next time we encounter that preferred activity, but it is 20355 // possible for the user flow to never be able to return to that 20356 // situation so here we do a sanity check to make sure we haven't 20357 // left any junk around. 20358 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 20359 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 20360 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 20361 removed.clear(); 20362 for (PreferredActivity pa : pir.filterSet()) { 20363 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 20364 removed.add(pa); 20365 } 20366 } 20367 if (removed.size() > 0) { 20368 for (int r=0; r<removed.size(); r++) { 20369 PreferredActivity pa = removed.get(r); 20370 Slog.w(TAG, "Removing dangling preferred activity: " 20371 + pa.mPref.mComponent); 20372 pir.removeFilter(pa); 20373 } 20374 mSettings.writePackageRestrictionsLPr( 20375 mSettings.mPreferredActivities.keyAt(i)); 20376 } 20377 } 20378 20379 for (int userId : UserManagerService.getInstance().getUserIds()) { 20380 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 20381 grantPermissionsUserIds = ArrayUtils.appendInt( 20382 grantPermissionsUserIds, userId); 20383 } 20384 } 20385 } 20386 sUserManager.systemReady(); 20387 20388 // If we upgraded grant all default permissions before kicking off. 20389 for (int userId : grantPermissionsUserIds) { 20390 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20391 } 20392 20393 // If we did not grant default permissions, we preload from this the 20394 // default permission exceptions lazily to ensure we don't hit the 20395 // disk on a new user creation. 20396 if (grantPermissionsUserIds == EMPTY_INT_ARRAY) { 20397 mDefaultPermissionPolicy.scheduleReadDefaultPermissionExceptions(); 20398 } 20399 20400 // Kick off any messages waiting for system ready 20401 if (mPostSystemReadyMessages != null) { 20402 for (Message msg : mPostSystemReadyMessages) { 20403 msg.sendToTarget(); 20404 } 20405 mPostSystemReadyMessages = null; 20406 } 20407 20408 // Watch for external volumes that come and go over time 20409 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20410 storage.registerListener(mStorageListener); 20411 20412 mInstallerService.systemReady(); 20413 mPackageDexOptimizer.systemReady(); 20414 20415 StorageManagerInternal StorageManagerInternal = LocalServices.getService( 20416 StorageManagerInternal.class); 20417 StorageManagerInternal.addExternalStoragePolicy( 20418 new StorageManagerInternal.ExternalStorageMountPolicy() { 20419 @Override 20420 public int getMountMode(int uid, String packageName) { 20421 if (Process.isIsolated(uid)) { 20422 return Zygote.MOUNT_EXTERNAL_NONE; 20423 } 20424 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 20425 return Zygote.MOUNT_EXTERNAL_DEFAULT; 20426 } 20427 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 20428 return Zygote.MOUNT_EXTERNAL_DEFAULT; 20429 } 20430 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 20431 return Zygote.MOUNT_EXTERNAL_READ; 20432 } 20433 return Zygote.MOUNT_EXTERNAL_WRITE; 20434 } 20435 20436 @Override 20437 public boolean hasExternalStorage(int uid, String packageName) { 20438 return true; 20439 } 20440 }); 20441 20442 // Now that we're mostly running, clean up stale users and apps 20443 sUserManager.reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 20444 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 20445 20446 if (mPrivappPermissionsViolations != null) { 20447 Slog.wtf(TAG,"Signature|privileged permissions not in " 20448 + "privapp-permissions whitelist: " + mPrivappPermissionsViolations); 20449 mPrivappPermissionsViolations = null; 20450 } 20451 } 20452 20453 public void waitForAppDataPrepared() { 20454 if (mPrepareAppDataFuture == null) { 20455 return; 20456 } 20457 ConcurrentUtils.waitForFutureNoInterrupt(mPrepareAppDataFuture, "wait for prepareAppData"); 20458 mPrepareAppDataFuture = null; 20459 } 20460 20461 @Override 20462 public boolean isSafeMode() { 20463 return mSafeMode; 20464 } 20465 20466 @Override 20467 public boolean hasSystemUidErrors() { 20468 return mHasSystemUidErrors; 20469 } 20470 20471 static String arrayToString(int[] array) { 20472 StringBuffer buf = new StringBuffer(128); 20473 buf.append('['); 20474 if (array != null) { 20475 for (int i=0; i<array.length; i++) { 20476 if (i > 0) buf.append(", "); 20477 buf.append(array[i]); 20478 } 20479 } 20480 buf.append(']'); 20481 return buf.toString(); 20482 } 20483 20484 static class DumpState { 20485 public static final int DUMP_LIBS = 1 << 0; 20486 public static final int DUMP_FEATURES = 1 << 1; 20487 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 20488 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 20489 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 20490 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 20491 public static final int DUMP_PERMISSIONS = 1 << 6; 20492 public static final int DUMP_PACKAGES = 1 << 7; 20493 public static final int DUMP_SHARED_USERS = 1 << 8; 20494 public static final int DUMP_MESSAGES = 1 << 9; 20495 public static final int DUMP_PROVIDERS = 1 << 10; 20496 public static final int DUMP_VERIFIERS = 1 << 11; 20497 public static final int DUMP_PREFERRED = 1 << 12; 20498 public static final int DUMP_PREFERRED_XML = 1 << 13; 20499 public static final int DUMP_KEYSETS = 1 << 14; 20500 public static final int DUMP_VERSION = 1 << 15; 20501 public static final int DUMP_INSTALLS = 1 << 16; 20502 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 20503 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 20504 public static final int DUMP_FROZEN = 1 << 19; 20505 public static final int DUMP_DEXOPT = 1 << 20; 20506 public static final int DUMP_COMPILER_STATS = 1 << 21; 20507 public static final int DUMP_ENABLED_OVERLAYS = 1 << 22; 20508 20509 public static final int OPTION_SHOW_FILTERS = 1 << 0; 20510 20511 private int mTypes; 20512 20513 private int mOptions; 20514 20515 private boolean mTitlePrinted; 20516 20517 private SharedUserSetting mSharedUser; 20518 20519 public boolean isDumping(int type) { 20520 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 20521 return true; 20522 } 20523 20524 return (mTypes & type) != 0; 20525 } 20526 20527 public void setDump(int type) { 20528 mTypes |= type; 20529 } 20530 20531 public boolean isOptionEnabled(int option) { 20532 return (mOptions & option) != 0; 20533 } 20534 20535 public void setOptionEnabled(int option) { 20536 mOptions |= option; 20537 } 20538 20539 public boolean onTitlePrinted() { 20540 final boolean printed = mTitlePrinted; 20541 mTitlePrinted = true; 20542 return printed; 20543 } 20544 20545 public boolean getTitlePrinted() { 20546 return mTitlePrinted; 20547 } 20548 20549 public void setTitlePrinted(boolean enabled) { 20550 mTitlePrinted = enabled; 20551 } 20552 20553 public SharedUserSetting getSharedUser() { 20554 return mSharedUser; 20555 } 20556 20557 public void setSharedUser(SharedUserSetting user) { 20558 mSharedUser = user; 20559 } 20560 } 20561 20562 @Override 20563 public void onShellCommand(FileDescriptor in, FileDescriptor out, 20564 FileDescriptor err, String[] args, ShellCallback callback, 20565 ResultReceiver resultReceiver) { 20566 (new PackageManagerShellCommand(this)).exec( 20567 this, in, out, err, args, callback, resultReceiver); 20568 } 20569 20570 @Override 20571 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 20572 if (!DumpUtils.checkDumpAndUsageStatsPermission(mContext, TAG, pw)) return; 20573 20574 DumpState dumpState = new DumpState(); 20575 boolean fullPreferred = false; 20576 boolean checkin = false; 20577 20578 String packageName = null; 20579 ArraySet<String> permissionNames = null; 20580 20581 int opti = 0; 20582 while (opti < args.length) { 20583 String opt = args[opti]; 20584 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 20585 break; 20586 } 20587 opti++; 20588 20589 if ("-a".equals(opt)) { 20590 // Right now we only know how to print all. 20591 } else if ("-h".equals(opt)) { 20592 pw.println("Package manager dump options:"); 20593 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 20594 pw.println(" --checkin: dump for a checkin"); 20595 pw.println(" -f: print details of intent filters"); 20596 pw.println(" -h: print this help"); 20597 pw.println(" cmd may be one of:"); 20598 pw.println(" l[ibraries]: list known shared libraries"); 20599 pw.println(" f[eatures]: list device features"); 20600 pw.println(" k[eysets]: print known keysets"); 20601 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 20602 pw.println(" perm[issions]: dump permissions"); 20603 pw.println(" permission [name ...]: dump declaration and use of given permission"); 20604 pw.println(" pref[erred]: print preferred package settings"); 20605 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 20606 pw.println(" prov[iders]: dump content providers"); 20607 pw.println(" p[ackages]: dump installed packages"); 20608 pw.println(" s[hared-users]: dump shared user IDs"); 20609 pw.println(" m[essages]: print collected runtime messages"); 20610 pw.println(" v[erifiers]: print package verifier info"); 20611 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 20612 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 20613 pw.println(" version: print database version info"); 20614 pw.println(" write: write current settings now"); 20615 pw.println(" installs: details about install sessions"); 20616 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 20617 pw.println(" dexopt: dump dexopt state"); 20618 pw.println(" compiler-stats: dump compiler statistics"); 20619 pw.println(" enabled-overlays: dump list of enabled overlay packages"); 20620 pw.println(" <package.name>: info about given package"); 20621 return; 20622 } else if ("--checkin".equals(opt)) { 20623 checkin = true; 20624 } else if ("-f".equals(opt)) { 20625 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 20626 } else if ("--proto".equals(opt)) { 20627 dumpProto(fd); 20628 return; 20629 } else { 20630 pw.println("Unknown argument: " + opt + "; use -h for help"); 20631 } 20632 } 20633 20634 // Is the caller requesting to dump a particular piece of data? 20635 if (opti < args.length) { 20636 String cmd = args[opti]; 20637 opti++; 20638 // Is this a package name? 20639 if ("android".equals(cmd) || cmd.contains(".")) { 20640 packageName = cmd; 20641 // When dumping a single package, we always dump all of its 20642 // filter information since the amount of data will be reasonable. 20643 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 20644 } else if ("check-permission".equals(cmd)) { 20645 if (opti >= args.length) { 20646 pw.println("Error: check-permission missing permission argument"); 20647 return; 20648 } 20649 String perm = args[opti]; 20650 opti++; 20651 if (opti >= args.length) { 20652 pw.println("Error: check-permission missing package argument"); 20653 return; 20654 } 20655 20656 String pkg = args[opti]; 20657 opti++; 20658 int user = UserHandle.getUserId(Binder.getCallingUid()); 20659 if (opti < args.length) { 20660 try { 20661 user = Integer.parseInt(args[opti]); 20662 } catch (NumberFormatException e) { 20663 pw.println("Error: check-permission user argument is not a number: " 20664 + args[opti]); 20665 return; 20666 } 20667 } 20668 20669 // Normalize package name to handle renamed packages and static libs 20670 pkg = resolveInternalPackageNameLPr(pkg, PackageManager.VERSION_CODE_HIGHEST); 20671 20672 pw.println(checkPermission(perm, pkg, user)); 20673 return; 20674 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 20675 dumpState.setDump(DumpState.DUMP_LIBS); 20676 } else if ("f".equals(cmd) || "features".equals(cmd)) { 20677 dumpState.setDump(DumpState.DUMP_FEATURES); 20678 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 20679 if (opti >= args.length) { 20680 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 20681 | DumpState.DUMP_SERVICE_RESOLVERS 20682 | DumpState.DUMP_RECEIVER_RESOLVERS 20683 | DumpState.DUMP_CONTENT_RESOLVERS); 20684 } else { 20685 while (opti < args.length) { 20686 String name = args[opti]; 20687 if ("a".equals(name) || "activity".equals(name)) { 20688 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 20689 } else if ("s".equals(name) || "service".equals(name)) { 20690 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 20691 } else if ("r".equals(name) || "receiver".equals(name)) { 20692 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 20693 } else if ("c".equals(name) || "content".equals(name)) { 20694 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 20695 } else { 20696 pw.println("Error: unknown resolver table type: " + name); 20697 return; 20698 } 20699 opti++; 20700 } 20701 } 20702 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 20703 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 20704 } else if ("permission".equals(cmd)) { 20705 if (opti >= args.length) { 20706 pw.println("Error: permission requires permission name"); 20707 return; 20708 } 20709 permissionNames = new ArraySet<>(); 20710 while (opti < args.length) { 20711 permissionNames.add(args[opti]); 20712 opti++; 20713 } 20714 dumpState.setDump(DumpState.DUMP_PERMISSIONS 20715 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 20716 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 20717 dumpState.setDump(DumpState.DUMP_PREFERRED); 20718 } else if ("preferred-xml".equals(cmd)) { 20719 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 20720 if (opti < args.length && "--full".equals(args[opti])) { 20721 fullPreferred = true; 20722 opti++; 20723 } 20724 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 20725 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 20726 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 20727 dumpState.setDump(DumpState.DUMP_PACKAGES); 20728 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 20729 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 20730 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 20731 dumpState.setDump(DumpState.DUMP_PROVIDERS); 20732 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 20733 dumpState.setDump(DumpState.DUMP_MESSAGES); 20734 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 20735 dumpState.setDump(DumpState.DUMP_VERIFIERS); 20736 } else if ("i".equals(cmd) || "ifv".equals(cmd) 20737 || "intent-filter-verifiers".equals(cmd)) { 20738 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 20739 } else if ("version".equals(cmd)) { 20740 dumpState.setDump(DumpState.DUMP_VERSION); 20741 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 20742 dumpState.setDump(DumpState.DUMP_KEYSETS); 20743 } else if ("installs".equals(cmd)) { 20744 dumpState.setDump(DumpState.DUMP_INSTALLS); 20745 } else if ("frozen".equals(cmd)) { 20746 dumpState.setDump(DumpState.DUMP_FROZEN); 20747 } else if ("dexopt".equals(cmd)) { 20748 dumpState.setDump(DumpState.DUMP_DEXOPT); 20749 } else if ("compiler-stats".equals(cmd)) { 20750 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 20751 } else if ("enabled-overlays".equals(cmd)) { 20752 dumpState.setDump(DumpState.DUMP_ENABLED_OVERLAYS); 20753 } else if ("write".equals(cmd)) { 20754 synchronized (mPackages) { 20755 mSettings.writeLPr(); 20756 pw.println("Settings written."); 20757 return; 20758 } 20759 } 20760 } 20761 20762 if (checkin) { 20763 pw.println("vers,1"); 20764 } 20765 20766 // reader 20767 synchronized (mPackages) { 20768 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 20769 if (!checkin) { 20770 if (dumpState.onTitlePrinted()) 20771 pw.println(); 20772 pw.println("Database versions:"); 20773 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 20774 } 20775 } 20776 20777 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 20778 if (!checkin) { 20779 if (dumpState.onTitlePrinted()) 20780 pw.println(); 20781 pw.println("Verifiers:"); 20782 pw.print(" Required: "); 20783 pw.print(mRequiredVerifierPackage); 20784 pw.print(" (uid="); 20785 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 20786 UserHandle.USER_SYSTEM)); 20787 pw.println(")"); 20788 } else if (mRequiredVerifierPackage != null) { 20789 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 20790 pw.print(","); 20791 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 20792 UserHandle.USER_SYSTEM)); 20793 } 20794 } 20795 20796 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 20797 packageName == null) { 20798 if (mIntentFilterVerifierComponent != null) { 20799 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 20800 if (!checkin) { 20801 if (dumpState.onTitlePrinted()) 20802 pw.println(); 20803 pw.println("Intent Filter Verifier:"); 20804 pw.print(" Using: "); 20805 pw.print(verifierPackageName); 20806 pw.print(" (uid="); 20807 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 20808 UserHandle.USER_SYSTEM)); 20809 pw.println(")"); 20810 } else if (verifierPackageName != null) { 20811 pw.print("ifv,"); pw.print(verifierPackageName); 20812 pw.print(","); 20813 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 20814 UserHandle.USER_SYSTEM)); 20815 } 20816 } else { 20817 pw.println(); 20818 pw.println("No Intent Filter Verifier available!"); 20819 } 20820 } 20821 20822 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 20823 boolean printedHeader = false; 20824 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 20825 while (it.hasNext()) { 20826 String libName = it.next(); 20827 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(libName); 20828 if (versionedLib == null) { 20829 continue; 20830 } 20831 final int versionCount = versionedLib.size(); 20832 for (int i = 0; i < versionCount; i++) { 20833 SharedLibraryEntry libEntry = versionedLib.valueAt(i); 20834 if (!checkin) { 20835 if (!printedHeader) { 20836 if (dumpState.onTitlePrinted()) 20837 pw.println(); 20838 pw.println("Libraries:"); 20839 printedHeader = true; 20840 } 20841 pw.print(" "); 20842 } else { 20843 pw.print("lib,"); 20844 } 20845 pw.print(libEntry.info.getName()); 20846 if (libEntry.info.isStatic()) { 20847 pw.print(" version=" + libEntry.info.getVersion()); 20848 } 20849 if (!checkin) { 20850 pw.print(" -> "); 20851 } 20852 if (libEntry.path != null) { 20853 pw.print(" (jar) "); 20854 pw.print(libEntry.path); 20855 } else { 20856 pw.print(" (apk) "); 20857 pw.print(libEntry.apk); 20858 } 20859 pw.println(); 20860 } 20861 } 20862 } 20863 20864 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 20865 if (dumpState.onTitlePrinted()) 20866 pw.println(); 20867 if (!checkin) { 20868 pw.println("Features:"); 20869 } 20870 20871 synchronized (mAvailableFeatures) { 20872 for (FeatureInfo feat : mAvailableFeatures.values()) { 20873 if (checkin) { 20874 pw.print("feat,"); 20875 pw.print(feat.name); 20876 pw.print(","); 20877 pw.println(feat.version); 20878 } else { 20879 pw.print(" "); 20880 pw.print(feat.name); 20881 if (feat.version > 0) { 20882 pw.print(" version="); 20883 pw.print(feat.version); 20884 } 20885 pw.println(); 20886 } 20887 } 20888 } 20889 } 20890 20891 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 20892 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 20893 : "Activity Resolver Table:", " ", packageName, 20894 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20895 dumpState.setTitlePrinted(true); 20896 } 20897 } 20898 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 20899 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 20900 : "Receiver Resolver Table:", " ", packageName, 20901 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20902 dumpState.setTitlePrinted(true); 20903 } 20904 } 20905 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 20906 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 20907 : "Service Resolver Table:", " ", packageName, 20908 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20909 dumpState.setTitlePrinted(true); 20910 } 20911 } 20912 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 20913 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 20914 : "Provider Resolver Table:", " ", packageName, 20915 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20916 dumpState.setTitlePrinted(true); 20917 } 20918 } 20919 20920 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 20921 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 20922 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 20923 int user = mSettings.mPreferredActivities.keyAt(i); 20924 if (pir.dump(pw, 20925 dumpState.getTitlePrinted() 20926 ? "\nPreferred Activities User " + user + ":" 20927 : "Preferred Activities User " + user + ":", " ", 20928 packageName, true, false)) { 20929 dumpState.setTitlePrinted(true); 20930 } 20931 } 20932 } 20933 20934 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 20935 pw.flush(); 20936 FileOutputStream fout = new FileOutputStream(fd); 20937 BufferedOutputStream str = new BufferedOutputStream(fout); 20938 XmlSerializer serializer = new FastXmlSerializer(); 20939 try { 20940 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 20941 serializer.startDocument(null, true); 20942 serializer.setFeature( 20943 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 20944 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 20945 serializer.endDocument(); 20946 serializer.flush(); 20947 } catch (IllegalArgumentException e) { 20948 pw.println("Failed writing: " + e); 20949 } catch (IllegalStateException e) { 20950 pw.println("Failed writing: " + e); 20951 } catch (IOException e) { 20952 pw.println("Failed writing: " + e); 20953 } 20954 } 20955 20956 if (!checkin 20957 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 20958 && packageName == null) { 20959 pw.println(); 20960 int count = mSettings.mPackages.size(); 20961 if (count == 0) { 20962 pw.println("No applications!"); 20963 pw.println(); 20964 } else { 20965 final String prefix = " "; 20966 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 20967 if (allPackageSettings.size() == 0) { 20968 pw.println("No domain preferred apps!"); 20969 pw.println(); 20970 } else { 20971 pw.println("App verification status:"); 20972 pw.println(); 20973 count = 0; 20974 for (PackageSetting ps : allPackageSettings) { 20975 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 20976 if (ivi == null || ivi.getPackageName() == null) continue; 20977 pw.println(prefix + "Package: " + ivi.getPackageName()); 20978 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 20979 pw.println(prefix + "Status: " + ivi.getStatusString()); 20980 pw.println(); 20981 count++; 20982 } 20983 if (count == 0) { 20984 pw.println(prefix + "No app verification established."); 20985 pw.println(); 20986 } 20987 for (int userId : sUserManager.getUserIds()) { 20988 pw.println("App linkages for user " + userId + ":"); 20989 pw.println(); 20990 count = 0; 20991 for (PackageSetting ps : allPackageSettings) { 20992 final long status = ps.getDomainVerificationStatusForUser(userId); 20993 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED 20994 && !DEBUG_DOMAIN_VERIFICATION) { 20995 continue; 20996 } 20997 pw.println(prefix + "Package: " + ps.name); 20998 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 20999 String statusStr = IntentFilterVerificationInfo. 21000 getStatusStringFromValue(status); 21001 pw.println(prefix + "Status: " + statusStr); 21002 pw.println(); 21003 count++; 21004 } 21005 if (count == 0) { 21006 pw.println(prefix + "No configured app linkages."); 21007 pw.println(); 21008 } 21009 } 21010 } 21011 } 21012 } 21013 21014 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 21015 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 21016 if (packageName == null && permissionNames == null) { 21017 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 21018 if (iperm == 0) { 21019 if (dumpState.onTitlePrinted()) 21020 pw.println(); 21021 pw.println("AppOp Permissions:"); 21022 } 21023 pw.print(" AppOp Permission "); 21024 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 21025 pw.println(":"); 21026 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 21027 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 21028 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 21029 } 21030 } 21031 } 21032 } 21033 21034 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 21035 boolean printedSomething = false; 21036 for (PackageParser.Provider p : mProviders.mProviders.values()) { 21037 if (packageName != null && !packageName.equals(p.info.packageName)) { 21038 continue; 21039 } 21040 if (!printedSomething) { 21041 if (dumpState.onTitlePrinted()) 21042 pw.println(); 21043 pw.println("Registered ContentProviders:"); 21044 printedSomething = true; 21045 } 21046 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 21047 pw.print(" "); pw.println(p.toString()); 21048 } 21049 printedSomething = false; 21050 for (Map.Entry<String, PackageParser.Provider> entry : 21051 mProvidersByAuthority.entrySet()) { 21052 PackageParser.Provider p = entry.getValue(); 21053 if (packageName != null && !packageName.equals(p.info.packageName)) { 21054 continue; 21055 } 21056 if (!printedSomething) { 21057 if (dumpState.onTitlePrinted()) 21058 pw.println(); 21059 pw.println("ContentProvider Authorities:"); 21060 printedSomething = true; 21061 } 21062 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 21063 pw.print(" "); pw.println(p.toString()); 21064 if (p.info != null && p.info.applicationInfo != null) { 21065 final String appInfo = p.info.applicationInfo.toString(); 21066 pw.print(" applicationInfo="); pw.println(appInfo); 21067 } 21068 } 21069 } 21070 21071 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 21072 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 21073 } 21074 21075 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 21076 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 21077 } 21078 21079 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 21080 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 21081 } 21082 21083 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 21084 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 21085 } 21086 21087 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 21088 // XXX should handle packageName != null by dumping only install data that 21089 // the given package is involved with. 21090 if (dumpState.onTitlePrinted()) pw.println(); 21091 21092 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 21093 ipw.println(); 21094 ipw.println("Frozen packages:"); 21095 ipw.increaseIndent(); 21096 if (mFrozenPackages.size() == 0) { 21097 ipw.println("(none)"); 21098 } else { 21099 for (int i = 0; i < mFrozenPackages.size(); i++) { 21100 ipw.println(mFrozenPackages.valueAt(i)); 21101 } 21102 } 21103 ipw.decreaseIndent(); 21104 } 21105 21106 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 21107 if (dumpState.onTitlePrinted()) pw.println(); 21108 dumpDexoptStateLPr(pw, packageName); 21109 } 21110 21111 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 21112 if (dumpState.onTitlePrinted()) pw.println(); 21113 dumpCompilerStatsLPr(pw, packageName); 21114 } 21115 21116 if (!checkin && dumpState.isDumping(DumpState.DUMP_ENABLED_OVERLAYS)) { 21117 if (dumpState.onTitlePrinted()) pw.println(); 21118 dumpEnabledOverlaysLPr(pw); 21119 } 21120 21121 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 21122 if (dumpState.onTitlePrinted()) pw.println(); 21123 mSettings.dumpReadMessagesLPr(pw, dumpState); 21124 21125 pw.println(); 21126 pw.println("Package warning messages:"); 21127 BufferedReader in = null; 21128 String line = null; 21129 try { 21130 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 21131 while ((line = in.readLine()) != null) { 21132 if (line.contains("ignored: updated version")) continue; 21133 pw.println(line); 21134 } 21135 } catch (IOException ignored) { 21136 } finally { 21137 IoUtils.closeQuietly(in); 21138 } 21139 } 21140 21141 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 21142 BufferedReader in = null; 21143 String line = null; 21144 try { 21145 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 21146 while ((line = in.readLine()) != null) { 21147 if (line.contains("ignored: updated version")) continue; 21148 pw.print("msg,"); 21149 pw.println(line); 21150 } 21151 } catch (IOException ignored) { 21152 } finally { 21153 IoUtils.closeQuietly(in); 21154 } 21155 } 21156 } 21157 21158 // PackageInstaller should be called outside of mPackages lock 21159 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 21160 // XXX should handle packageName != null by dumping only install data that 21161 // the given package is involved with. 21162 if (dumpState.onTitlePrinted()) pw.println(); 21163 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 21164 } 21165 } 21166 21167 private void dumpProto(FileDescriptor fd) { 21168 final ProtoOutputStream proto = new ProtoOutputStream(fd); 21169 21170 synchronized (mPackages) { 21171 final long requiredVerifierPackageToken = 21172 proto.start(PackageServiceDumpProto.REQUIRED_VERIFIER_PACKAGE); 21173 proto.write(PackageServiceDumpProto.PackageShortProto.NAME, mRequiredVerifierPackage); 21174 proto.write( 21175 PackageServiceDumpProto.PackageShortProto.UID, 21176 getPackageUid( 21177 mRequiredVerifierPackage, 21178 MATCH_DEBUG_TRIAGED_MISSING, 21179 UserHandle.USER_SYSTEM)); 21180 proto.end(requiredVerifierPackageToken); 21181 21182 if (mIntentFilterVerifierComponent != null) { 21183 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 21184 final long verifierPackageToken = 21185 proto.start(PackageServiceDumpProto.VERIFIER_PACKAGE); 21186 proto.write(PackageServiceDumpProto.PackageShortProto.NAME, verifierPackageName); 21187 proto.write( 21188 PackageServiceDumpProto.PackageShortProto.UID, 21189 getPackageUid( 21190 verifierPackageName, 21191 MATCH_DEBUG_TRIAGED_MISSING, 21192 UserHandle.USER_SYSTEM)); 21193 proto.end(verifierPackageToken); 21194 } 21195 21196 dumpSharedLibrariesProto(proto); 21197 dumpFeaturesProto(proto); 21198 mSettings.dumpPackagesProto(proto); 21199 mSettings.dumpSharedUsersProto(proto); 21200 dumpMessagesProto(proto); 21201 } 21202 proto.flush(); 21203 } 21204 21205 private void dumpMessagesProto(ProtoOutputStream proto) { 21206 BufferedReader in = null; 21207 String line = null; 21208 try { 21209 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 21210 while ((line = in.readLine()) != null) { 21211 if (line.contains("ignored: updated version")) continue; 21212 proto.write(PackageServiceDumpProto.MESSAGES, line); 21213 } 21214 } catch (IOException ignored) { 21215 } finally { 21216 IoUtils.closeQuietly(in); 21217 } 21218 } 21219 21220 private void dumpFeaturesProto(ProtoOutputStream proto) { 21221 synchronized (mAvailableFeatures) { 21222 final int count = mAvailableFeatures.size(); 21223 for (int i = 0; i < count; i++) { 21224 final FeatureInfo feat = mAvailableFeatures.valueAt(i); 21225 final long featureToken = proto.start(PackageServiceDumpProto.FEATURES); 21226 proto.write(PackageServiceDumpProto.FeatureProto.NAME, feat.name); 21227 proto.write(PackageServiceDumpProto.FeatureProto.VERSION, feat.version); 21228 proto.end(featureToken); 21229 } 21230 } 21231 } 21232 21233 private void dumpSharedLibrariesProto(ProtoOutputStream proto) { 21234 final int count = mSharedLibraries.size(); 21235 for (int i = 0; i < count; i++) { 21236 final String libName = mSharedLibraries.keyAt(i); 21237 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(libName); 21238 if (versionedLib == null) { 21239 continue; 21240 } 21241 final int versionCount = versionedLib.size(); 21242 for (int j = 0; j < versionCount; j++) { 21243 final SharedLibraryEntry libEntry = versionedLib.valueAt(j); 21244 final long sharedLibraryToken = 21245 proto.start(PackageServiceDumpProto.SHARED_LIBRARIES); 21246 proto.write(PackageServiceDumpProto.SharedLibraryProto.NAME, libEntry.info.getName()); 21247 final boolean isJar = (libEntry.path != null); 21248 proto.write(PackageServiceDumpProto.SharedLibraryProto.IS_JAR, isJar); 21249 if (isJar) { 21250 proto.write(PackageServiceDumpProto.SharedLibraryProto.PATH, libEntry.path); 21251 } else { 21252 proto.write(PackageServiceDumpProto.SharedLibraryProto.APK, libEntry.apk); 21253 } 21254 proto.end(sharedLibraryToken); 21255 } 21256 } 21257 } 21258 21259 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 21260 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 21261 ipw.println(); 21262 ipw.println("Dexopt state:"); 21263 ipw.increaseIndent(); 21264 Collection<PackageParser.Package> packages = null; 21265 if (packageName != null) { 21266 PackageParser.Package targetPackage = mPackages.get(packageName); 21267 if (targetPackage != null) { 21268 packages = Collections.singletonList(targetPackage); 21269 } else { 21270 ipw.println("Unable to find package: " + packageName); 21271 return; 21272 } 21273 } else { 21274 packages = mPackages.values(); 21275 } 21276 21277 for (PackageParser.Package pkg : packages) { 21278 ipw.println("[" + pkg.packageName + "]"); 21279 ipw.increaseIndent(); 21280 mPackageDexOptimizer.dumpDexoptState(ipw, pkg); 21281 ipw.decreaseIndent(); 21282 } 21283 } 21284 21285 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 21286 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 21287 ipw.println(); 21288 ipw.println("Compiler stats:"); 21289 ipw.increaseIndent(); 21290 Collection<PackageParser.Package> packages = null; 21291 if (packageName != null) { 21292 PackageParser.Package targetPackage = mPackages.get(packageName); 21293 if (targetPackage != null) { 21294 packages = Collections.singletonList(targetPackage); 21295 } else { 21296 ipw.println("Unable to find package: " + packageName); 21297 return; 21298 } 21299 } else { 21300 packages = mPackages.values(); 21301 } 21302 21303 for (PackageParser.Package pkg : packages) { 21304 ipw.println("[" + pkg.packageName + "]"); 21305 ipw.increaseIndent(); 21306 21307 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 21308 if (stats == null) { 21309 ipw.println("(No recorded stats)"); 21310 } else { 21311 stats.dump(ipw); 21312 } 21313 ipw.decreaseIndent(); 21314 } 21315 } 21316 21317 private void dumpEnabledOverlaysLPr(PrintWriter pw) { 21318 pw.println("Enabled overlay paths:"); 21319 final int N = mEnabledOverlayPaths.size(); 21320 for (int i = 0; i < N; i++) { 21321 final int userId = mEnabledOverlayPaths.keyAt(i); 21322 pw.println(String.format(" User %d:", userId)); 21323 final ArrayMap<String, ArrayList<String>> userSpecificOverlays = 21324 mEnabledOverlayPaths.valueAt(i); 21325 final int M = userSpecificOverlays.size(); 21326 for (int j = 0; j < M; j++) { 21327 final String targetPackageName = userSpecificOverlays.keyAt(j); 21328 final ArrayList<String> overlayPackagePaths = userSpecificOverlays.valueAt(j); 21329 pw.println(String.format(" %s: %s", targetPackageName, overlayPackagePaths)); 21330 } 21331 } 21332 } 21333 21334 private String dumpDomainString(String packageName) { 21335 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 21336 .getList(); 21337 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 21338 21339 ArraySet<String> result = new ArraySet<>(); 21340 if (iviList.size() > 0) { 21341 for (IntentFilterVerificationInfo ivi : iviList) { 21342 for (String host : ivi.getDomains()) { 21343 result.add(host); 21344 } 21345 } 21346 } 21347 if (filters != null && filters.size() > 0) { 21348 for (IntentFilter filter : filters) { 21349 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 21350 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 21351 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 21352 result.addAll(filter.getHostsList()); 21353 } 21354 } 21355 } 21356 21357 StringBuilder sb = new StringBuilder(result.size() * 16); 21358 for (String domain : result) { 21359 if (sb.length() > 0) sb.append(" "); 21360 sb.append(domain); 21361 } 21362 return sb.toString(); 21363 } 21364 21365 // ------- apps on sdcard specific code ------- 21366 static final boolean DEBUG_SD_INSTALL = false; 21367 21368 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 21369 21370 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 21371 21372 private boolean mMediaMounted = false; 21373 21374 static String getEncryptKey() { 21375 try { 21376 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 21377 SD_ENCRYPTION_KEYSTORE_NAME); 21378 if (sdEncKey == null) { 21379 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 21380 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 21381 if (sdEncKey == null) { 21382 Slog.e(TAG, "Failed to create encryption keys"); 21383 return null; 21384 } 21385 } 21386 return sdEncKey; 21387 } catch (NoSuchAlgorithmException nsae) { 21388 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 21389 return null; 21390 } catch (IOException ioe) { 21391 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 21392 return null; 21393 } 21394 } 21395 21396 /* 21397 * Update media status on PackageManager. 21398 */ 21399 @Override 21400 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 21401 int callingUid = Binder.getCallingUid(); 21402 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 21403 throw new SecurityException("Media status can only be updated by the system"); 21404 } 21405 // reader; this apparently protects mMediaMounted, but should probably 21406 // be a different lock in that case. 21407 synchronized (mPackages) { 21408 Log.i(TAG, "Updating external media status from " 21409 + (mMediaMounted ? "mounted" : "unmounted") + " to " 21410 + (mediaStatus ? "mounted" : "unmounted")); 21411 if (DEBUG_SD_INSTALL) 21412 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 21413 + ", mMediaMounted=" + mMediaMounted); 21414 if (mediaStatus == mMediaMounted) { 21415 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 21416 : 0, -1); 21417 mHandler.sendMessage(msg); 21418 return; 21419 } 21420 mMediaMounted = mediaStatus; 21421 } 21422 // Queue up an async operation since the package installation may take a 21423 // little while. 21424 mHandler.post(new Runnable() { 21425 public void run() { 21426 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 21427 } 21428 }); 21429 } 21430 21431 /** 21432 * Called by StorageManagerService when the initial ASECs to scan are available. 21433 * Should block until all the ASEC containers are finished being scanned. 21434 */ 21435 public void scanAvailableAsecs() { 21436 updateExternalMediaStatusInner(true, false, false); 21437 } 21438 21439 /* 21440 * Collect information of applications on external media, map them against 21441 * existing containers and update information based on current mount status. 21442 * Please note that we always have to report status if reportStatus has been 21443 * set to true especially when unloading packages. 21444 */ 21445 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 21446 boolean externalStorage) { 21447 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 21448 int[] uidArr = EmptyArray.INT; 21449 21450 final String[] list = PackageHelper.getSecureContainerList(); 21451 if (ArrayUtils.isEmpty(list)) { 21452 Log.i(TAG, "No secure containers found"); 21453 } else { 21454 // Process list of secure containers and categorize them 21455 // as active or stale based on their package internal state. 21456 21457 // reader 21458 synchronized (mPackages) { 21459 for (String cid : list) { 21460 // Leave stages untouched for now; installer service owns them 21461 if (PackageInstallerService.isStageName(cid)) continue; 21462 21463 if (DEBUG_SD_INSTALL) 21464 Log.i(TAG, "Processing container " + cid); 21465 String pkgName = getAsecPackageName(cid); 21466 if (pkgName == null) { 21467 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 21468 continue; 21469 } 21470 if (DEBUG_SD_INSTALL) 21471 Log.i(TAG, "Looking for pkg : " + pkgName); 21472 21473 final PackageSetting ps = mSettings.mPackages.get(pkgName); 21474 if (ps == null) { 21475 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 21476 continue; 21477 } 21478 21479 /* 21480 * Skip packages that are not external if we're unmounting 21481 * external storage. 21482 */ 21483 if (externalStorage && !isMounted && !isExternal(ps)) { 21484 continue; 21485 } 21486 21487 final AsecInstallArgs args = new AsecInstallArgs(cid, 21488 getAppDexInstructionSets(ps), ps.isForwardLocked()); 21489 // The package status is changed only if the code path 21490 // matches between settings and the container id. 21491 if (ps.codePathString != null 21492 && ps.codePathString.startsWith(args.getCodePath())) { 21493 if (DEBUG_SD_INSTALL) { 21494 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 21495 + " at code path: " + ps.codePathString); 21496 } 21497 21498 // We do have a valid package installed on sdcard 21499 processCids.put(args, ps.codePathString); 21500 final int uid = ps.appId; 21501 if (uid != -1) { 21502 uidArr = ArrayUtils.appendInt(uidArr, uid); 21503 } 21504 } else { 21505 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 21506 + ps.codePathString); 21507 } 21508 } 21509 } 21510 21511 Arrays.sort(uidArr); 21512 } 21513 21514 // Process packages with valid entries. 21515 if (isMounted) { 21516 if (DEBUG_SD_INSTALL) 21517 Log.i(TAG, "Loading packages"); 21518 loadMediaPackages(processCids, uidArr, externalStorage); 21519 startCleaningPackages(); 21520 mInstallerService.onSecureContainersAvailable(); 21521 } else { 21522 if (DEBUG_SD_INSTALL) 21523 Log.i(TAG, "Unloading packages"); 21524 unloadMediaPackages(processCids, uidArr, reportStatus); 21525 } 21526 } 21527 21528 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 21529 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 21530 final int size = infos.size(); 21531 final String[] packageNames = new String[size]; 21532 final int[] packageUids = new int[size]; 21533 for (int i = 0; i < size; i++) { 21534 final ApplicationInfo info = infos.get(i); 21535 packageNames[i] = info.packageName; 21536 packageUids[i] = info.uid; 21537 } 21538 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 21539 finishedReceiver); 21540 } 21541 21542 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 21543 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 21544 sendResourcesChangedBroadcast(mediaStatus, replacing, 21545 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 21546 } 21547 21548 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 21549 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 21550 int size = pkgList.length; 21551 if (size > 0) { 21552 // Send broadcasts here 21553 Bundle extras = new Bundle(); 21554 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 21555 if (uidArr != null) { 21556 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 21557 } 21558 if (replacing) { 21559 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 21560 } 21561 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 21562 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 21563 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 21564 } 21565 } 21566 21567 /* 21568 * Look at potentially valid container ids from processCids If package 21569 * information doesn't match the one on record or package scanning fails, 21570 * the cid is added to list of removeCids. We currently don't delete stale 21571 * containers. 21572 */ 21573 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 21574 boolean externalStorage) { 21575 ArrayList<String> pkgList = new ArrayList<String>(); 21576 Set<AsecInstallArgs> keys = processCids.keySet(); 21577 21578 for (AsecInstallArgs args : keys) { 21579 String codePath = processCids.get(args); 21580 if (DEBUG_SD_INSTALL) 21581 Log.i(TAG, "Loading container : " + args.cid); 21582 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 21583 try { 21584 // Make sure there are no container errors first. 21585 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 21586 Slog.e(TAG, "Failed to mount cid : " + args.cid 21587 + " when installing from sdcard"); 21588 continue; 21589 } 21590 // Check code path here. 21591 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 21592 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 21593 + " does not match one in settings " + codePath); 21594 continue; 21595 } 21596 // Parse package 21597 int parseFlags = mDefParseFlags; 21598 if (args.isExternalAsec()) { 21599 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 21600 } 21601 if (args.isFwdLocked()) { 21602 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 21603 } 21604 21605 synchronized (mInstallLock) { 21606 PackageParser.Package pkg = null; 21607 try { 21608 // Sadly we don't know the package name yet to freeze it 21609 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 21610 SCAN_IGNORE_FROZEN, 0, null); 21611 } catch (PackageManagerException e) { 21612 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 21613 } 21614 // Scan the package 21615 if (pkg != null) { 21616 /* 21617 * TODO why is the lock being held? doPostInstall is 21618 * called in other places without the lock. This needs 21619 * to be straightened out. 21620 */ 21621 // writer 21622 synchronized (mPackages) { 21623 retCode = PackageManager.INSTALL_SUCCEEDED; 21624 pkgList.add(pkg.packageName); 21625 // Post process args 21626 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 21627 pkg.applicationInfo.uid); 21628 } 21629 } else { 21630 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 21631 } 21632 } 21633 21634 } finally { 21635 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 21636 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 21637 } 21638 } 21639 } 21640 // writer 21641 synchronized (mPackages) { 21642 // If the platform SDK has changed since the last time we booted, 21643 // we need to re-grant app permission to catch any new ones that 21644 // appear. This is really a hack, and means that apps can in some 21645 // cases get permissions that the user didn't initially explicitly 21646 // allow... it would be nice to have some better way to handle 21647 // this situation. 21648 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 21649 : mSettings.getInternalVersion(); 21650 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 21651 : StorageManager.UUID_PRIVATE_INTERNAL; 21652 21653 int updateFlags = UPDATE_PERMISSIONS_ALL; 21654 if (ver.sdkVersion != mSdkVersion) { 21655 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 21656 + mSdkVersion + "; regranting permissions for external"); 21657 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 21658 } 21659 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 21660 21661 // Yay, everything is now upgraded 21662 ver.forceCurrent(); 21663 21664 // can downgrade to reader 21665 // Persist settings 21666 mSettings.writeLPr(); 21667 } 21668 // Send a broadcast to let everyone know we are done processing 21669 if (pkgList.size() > 0) { 21670 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 21671 } 21672 } 21673 21674 /* 21675 * Utility method to unload a list of specified containers 21676 */ 21677 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 21678 // Just unmount all valid containers. 21679 for (AsecInstallArgs arg : cidArgs) { 21680 synchronized (mInstallLock) { 21681 arg.doPostDeleteLI(false); 21682 } 21683 } 21684 } 21685 21686 /* 21687 * Unload packages mounted on external media. This involves deleting package 21688 * data from internal structures, sending broadcasts about disabled packages, 21689 * gc'ing to free up references, unmounting all secure containers 21690 * corresponding to packages on external media, and posting a 21691 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 21692 * that we always have to post this message if status has been requested no 21693 * matter what. 21694 */ 21695 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 21696 final boolean reportStatus) { 21697 if (DEBUG_SD_INSTALL) 21698 Log.i(TAG, "unloading media packages"); 21699 ArrayList<String> pkgList = new ArrayList<String>(); 21700 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 21701 final Set<AsecInstallArgs> keys = processCids.keySet(); 21702 for (AsecInstallArgs args : keys) { 21703 String pkgName = args.getPackageName(); 21704 if (DEBUG_SD_INSTALL) 21705 Log.i(TAG, "Trying to unload pkg : " + pkgName); 21706 // Delete package internally 21707 PackageRemovedInfo outInfo = new PackageRemovedInfo(this); 21708 synchronized (mInstallLock) { 21709 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 21710 final boolean res; 21711 try (PackageFreezer freezer = freezePackageForDelete(pkgName, deleteFlags, 21712 "unloadMediaPackages")) { 21713 res = deletePackageLIF(pkgName, null, false, null, deleteFlags, outInfo, false, 21714 null); 21715 } 21716 if (res) { 21717 pkgList.add(pkgName); 21718 } else { 21719 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 21720 failedList.add(args); 21721 } 21722 } 21723 } 21724 21725 // reader 21726 synchronized (mPackages) { 21727 // We didn't update the settings after removing each package; 21728 // write them now for all packages. 21729 mSettings.writeLPr(); 21730 } 21731 21732 // We have to absolutely send UPDATED_MEDIA_STATUS only 21733 // after confirming that all the receivers processed the ordered 21734 // broadcast when packages get disabled, force a gc to clean things up. 21735 // and unload all the containers. 21736 if (pkgList.size() > 0) { 21737 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 21738 new IIntentReceiver.Stub() { 21739 public void performReceive(Intent intent, int resultCode, String data, 21740 Bundle extras, boolean ordered, boolean sticky, 21741 int sendingUser) throws RemoteException { 21742 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 21743 reportStatus ? 1 : 0, 1, keys); 21744 mHandler.sendMessage(msg); 21745 } 21746 }); 21747 } else { 21748 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 21749 keys); 21750 mHandler.sendMessage(msg); 21751 } 21752 } 21753 21754 private void loadPrivatePackages(final VolumeInfo vol) { 21755 mHandler.post(new Runnable() { 21756 @Override 21757 public void run() { 21758 loadPrivatePackagesInner(vol); 21759 } 21760 }); 21761 } 21762 21763 private void loadPrivatePackagesInner(VolumeInfo vol) { 21764 final String volumeUuid = vol.fsUuid; 21765 if (TextUtils.isEmpty(volumeUuid)) { 21766 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 21767 return; 21768 } 21769 21770 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 21771 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 21772 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 21773 21774 final VersionInfo ver; 21775 final List<PackageSetting> packages; 21776 synchronized (mPackages) { 21777 ver = mSettings.findOrCreateVersion(volumeUuid); 21778 packages = mSettings.getVolumePackagesLPr(volumeUuid); 21779 } 21780 21781 for (PackageSetting ps : packages) { 21782 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 21783 synchronized (mInstallLock) { 21784 final PackageParser.Package pkg; 21785 try { 21786 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 21787 loaded.add(pkg.applicationInfo); 21788 21789 } catch (PackageManagerException e) { 21790 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 21791 } 21792 21793 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 21794 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 21795 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 21796 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 21797 } 21798 } 21799 } 21800 21801 // Reconcile app data for all started/unlocked users 21802 final StorageManager sm = mContext.getSystemService(StorageManager.class); 21803 final UserManager um = mContext.getSystemService(UserManager.class); 21804 UserManagerInternal umInternal = getUserManagerInternal(); 21805 for (UserInfo user : um.getUsers()) { 21806 final int flags; 21807 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 21808 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 21809 } else if (umInternal.isUserRunning(user.id)) { 21810 flags = StorageManager.FLAG_STORAGE_DE; 21811 } else { 21812 continue; 21813 } 21814 21815 try { 21816 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 21817 synchronized (mInstallLock) { 21818 reconcileAppsDataLI(volumeUuid, user.id, flags, true /* migrateAppData */); 21819 } 21820 } catch (IllegalStateException e) { 21821 // Device was probably ejected, and we'll process that event momentarily 21822 Slog.w(TAG, "Failed to prepare storage: " + e); 21823 } 21824 } 21825 21826 synchronized (mPackages) { 21827 int updateFlags = UPDATE_PERMISSIONS_ALL; 21828 if (ver.sdkVersion != mSdkVersion) { 21829 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 21830 + mSdkVersion + "; regranting permissions for " + volumeUuid); 21831 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 21832 } 21833 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 21834 21835 // Yay, everything is now upgraded 21836 ver.forceCurrent(); 21837 21838 mSettings.writeLPr(); 21839 } 21840 21841 for (PackageFreezer freezer : freezers) { 21842 freezer.close(); 21843 } 21844 21845 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 21846 sendResourcesChangedBroadcast(true, false, loaded, null); 21847 } 21848 21849 private void unloadPrivatePackages(final VolumeInfo vol) { 21850 mHandler.post(new Runnable() { 21851 @Override 21852 public void run() { 21853 unloadPrivatePackagesInner(vol); 21854 } 21855 }); 21856 } 21857 21858 private void unloadPrivatePackagesInner(VolumeInfo vol) { 21859 final String volumeUuid = vol.fsUuid; 21860 if (TextUtils.isEmpty(volumeUuid)) { 21861 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 21862 return; 21863 } 21864 21865 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 21866 synchronized (mInstallLock) { 21867 synchronized (mPackages) { 21868 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 21869 for (PackageSetting ps : packages) { 21870 if (ps.pkg == null) continue; 21871 21872 final ApplicationInfo info = ps.pkg.applicationInfo; 21873 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 21874 final PackageRemovedInfo outInfo = new PackageRemovedInfo(this); 21875 21876 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 21877 "unloadPrivatePackagesInner")) { 21878 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 21879 false, null)) { 21880 unloaded.add(info); 21881 } else { 21882 Slog.w(TAG, "Failed to unload " + ps.codePath); 21883 } 21884 } 21885 21886 // Try very hard to release any references to this package 21887 // so we don't risk the system server being killed due to 21888 // open FDs 21889 AttributeCache.instance().removePackage(ps.name); 21890 } 21891 21892 mSettings.writeLPr(); 21893 } 21894 } 21895 21896 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 21897 sendResourcesChangedBroadcast(false, false, unloaded, null); 21898 21899 // Try very hard to release any references to this path so we don't risk 21900 // the system server being killed due to open FDs 21901 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 21902 21903 for (int i = 0; i < 3; i++) { 21904 System.gc(); 21905 System.runFinalization(); 21906 } 21907 } 21908 21909 private void assertPackageKnown(String volumeUuid, String packageName) 21910 throws PackageManagerException { 21911 synchronized (mPackages) { 21912 // Normalize package name to handle renamed packages 21913 packageName = normalizePackageNameLPr(packageName); 21914 21915 final PackageSetting ps = mSettings.mPackages.get(packageName); 21916 if (ps == null) { 21917 throw new PackageManagerException("Package " + packageName + " is unknown"); 21918 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 21919 throw new PackageManagerException( 21920 "Package " + packageName + " found on unknown volume " + volumeUuid 21921 + "; expected volume " + ps.volumeUuid); 21922 } 21923 } 21924 } 21925 21926 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 21927 throws PackageManagerException { 21928 synchronized (mPackages) { 21929 // Normalize package name to handle renamed packages 21930 packageName = normalizePackageNameLPr(packageName); 21931 21932 final PackageSetting ps = mSettings.mPackages.get(packageName); 21933 if (ps == null) { 21934 throw new PackageManagerException("Package " + packageName + " is unknown"); 21935 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 21936 throw new PackageManagerException( 21937 "Package " + packageName + " found on unknown volume " + volumeUuid 21938 + "; expected volume " + ps.volumeUuid); 21939 } else if (!ps.getInstalled(userId)) { 21940 throw new PackageManagerException( 21941 "Package " + packageName + " not installed for user " + userId); 21942 } 21943 } 21944 } 21945 21946 private List<String> collectAbsoluteCodePaths() { 21947 synchronized (mPackages) { 21948 List<String> codePaths = new ArrayList<>(); 21949 final int packageCount = mSettings.mPackages.size(); 21950 for (int i = 0; i < packageCount; i++) { 21951 final PackageSetting ps = mSettings.mPackages.valueAt(i); 21952 codePaths.add(ps.codePath.getAbsolutePath()); 21953 } 21954 return codePaths; 21955 } 21956 } 21957 21958 /** 21959 * Examine all apps present on given mounted volume, and destroy apps that 21960 * aren't expected, either due to uninstallation or reinstallation on 21961 * another volume. 21962 */ 21963 private void reconcileApps(String volumeUuid) { 21964 List<String> absoluteCodePaths = collectAbsoluteCodePaths(); 21965 List<File> filesToDelete = null; 21966 21967 final File[] files = FileUtils.listFilesOrEmpty( 21968 Environment.getDataAppDirectory(volumeUuid)); 21969 for (File file : files) { 21970 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 21971 && !PackageInstallerService.isStageName(file.getName()); 21972 if (!isPackage) { 21973 // Ignore entries which are not packages 21974 continue; 21975 } 21976 21977 String absolutePath = file.getAbsolutePath(); 21978 21979 boolean pathValid = false; 21980 final int absoluteCodePathCount = absoluteCodePaths.size(); 21981 for (int i = 0; i < absoluteCodePathCount; i++) { 21982 String absoluteCodePath = absoluteCodePaths.get(i); 21983 if (absolutePath.startsWith(absoluteCodePath)) { 21984 pathValid = true; 21985 break; 21986 } 21987 } 21988 21989 if (!pathValid) { 21990 if (filesToDelete == null) { 21991 filesToDelete = new ArrayList<>(); 21992 } 21993 filesToDelete.add(file); 21994 } 21995 } 21996 21997 if (filesToDelete != null) { 21998 final int fileToDeleteCount = filesToDelete.size(); 21999 for (int i = 0; i < fileToDeleteCount; i++) { 22000 File fileToDelete = filesToDelete.get(i); 22001 logCriticalInfo(Log.WARN, "Destroying orphaned" + fileToDelete); 22002 synchronized (mInstallLock) { 22003 removeCodePathLI(fileToDelete); 22004 } 22005 } 22006 } 22007 } 22008 22009 /** 22010 * Reconcile all app data for the given user. 22011 * <p> 22012 * Verifies that directories exist and that ownership and labeling is 22013 * correct for all installed apps on all mounted volumes. 22014 */ 22015 void reconcileAppsData(int userId, int flags, boolean migrateAppsData) { 22016 final StorageManager storage = mContext.getSystemService(StorageManager.class); 22017 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 22018 final String volumeUuid = vol.getFsUuid(); 22019 synchronized (mInstallLock) { 22020 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppsData); 22021 } 22022 } 22023 } 22024 22025 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags, 22026 boolean migrateAppData) { 22027 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppData, false /* onlyCoreApps */); 22028 } 22029 22030 /** 22031 * Reconcile all app data on given mounted volume. 22032 * <p> 22033 * Destroys app data that isn't expected, either due to uninstallation or 22034 * reinstallation on another volume. 22035 * <p> 22036 * Verifies that directories exist and that ownership and labeling is 22037 * correct for all installed apps. 22038 * @returns list of skipped non-core packages (if {@code onlyCoreApps} is true) 22039 */ 22040 private List<String> reconcileAppsDataLI(String volumeUuid, int userId, int flags, 22041 boolean migrateAppData, boolean onlyCoreApps) { 22042 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 22043 + Integer.toHexString(flags) + " migrateAppData=" + migrateAppData); 22044 List<String> result = onlyCoreApps ? new ArrayList<>() : null; 22045 22046 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 22047 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 22048 22049 // First look for stale data that doesn't belong, and check if things 22050 // have changed since we did our last restorecon 22051 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 22052 if (StorageManager.isFileEncryptedNativeOrEmulated() 22053 && !StorageManager.isUserKeyUnlocked(userId)) { 22054 throw new RuntimeException( 22055 "Yikes, someone asked us to reconcile CE storage while " + userId 22056 + " was still locked; this would have caused massive data loss!"); 22057 } 22058 22059 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 22060 for (File file : files) { 22061 final String packageName = file.getName(); 22062 try { 22063 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 22064 } catch (PackageManagerException e) { 22065 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 22066 try { 22067 mInstaller.destroyAppData(volumeUuid, packageName, userId, 22068 StorageManager.FLAG_STORAGE_CE, 0); 22069 } catch (InstallerException e2) { 22070 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 22071 } 22072 } 22073 } 22074 } 22075 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 22076 final File[] files = FileUtils.listFilesOrEmpty(deDir); 22077 for (File file : files) { 22078 final String packageName = file.getName(); 22079 try { 22080 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 22081 } catch (PackageManagerException e) { 22082 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 22083 try { 22084 mInstaller.destroyAppData(volumeUuid, packageName, userId, 22085 StorageManager.FLAG_STORAGE_DE, 0); 22086 } catch (InstallerException e2) { 22087 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 22088 } 22089 } 22090 } 22091 } 22092 22093 // Ensure that data directories are ready to roll for all packages 22094 // installed for this volume and user 22095 final List<PackageSetting> packages; 22096 synchronized (mPackages) { 22097 packages = mSettings.getVolumePackagesLPr(volumeUuid); 22098 } 22099 int preparedCount = 0; 22100 for (PackageSetting ps : packages) { 22101 final String packageName = ps.name; 22102 if (ps.pkg == null) { 22103 Slog.w(TAG, "Odd, missing scanned package " + packageName); 22104 // TODO: might be due to legacy ASEC apps; we should circle back 22105 // and reconcile again once they're scanned 22106 continue; 22107 } 22108 // Skip non-core apps if requested 22109 if (onlyCoreApps && !ps.pkg.coreApp) { 22110 result.add(packageName); 22111 continue; 22112 } 22113 22114 if (ps.getInstalled(userId)) { 22115 prepareAppDataAndMigrateLIF(ps.pkg, userId, flags, migrateAppData); 22116 preparedCount++; 22117 } 22118 } 22119 22120 Slog.v(TAG, "reconcileAppsData finished " + preparedCount + " packages"); 22121 return result; 22122 } 22123 22124 /** 22125 * Prepare app data for the given app just after it was installed or 22126 * upgraded. This method carefully only touches users that it's installed 22127 * for, and it forces a restorecon to handle any seinfo changes. 22128 * <p> 22129 * Verifies that directories exist and that ownership and labeling is 22130 * correct for all installed apps. If there is an ownership mismatch, it 22131 * will try recovering system apps by wiping data; third-party app data is 22132 * left intact. 22133 * <p> 22134 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 22135 */ 22136 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 22137 final PackageSetting ps; 22138 synchronized (mPackages) { 22139 ps = mSettings.mPackages.get(pkg.packageName); 22140 mSettings.writeKernelMappingLPr(ps); 22141 } 22142 22143 final UserManager um = mContext.getSystemService(UserManager.class); 22144 UserManagerInternal umInternal = getUserManagerInternal(); 22145 for (UserInfo user : um.getUsers()) { 22146 final int flags; 22147 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 22148 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 22149 } else if (umInternal.isUserRunning(user.id)) { 22150 flags = StorageManager.FLAG_STORAGE_DE; 22151 } else { 22152 continue; 22153 } 22154 22155 if (ps.getInstalled(user.id)) { 22156 // TODO: when user data is locked, mark that we're still dirty 22157 prepareAppDataLIF(pkg, user.id, flags); 22158 } 22159 } 22160 } 22161 22162 /** 22163 * Prepare app data for the given app. 22164 * <p> 22165 * Verifies that directories exist and that ownership and labeling is 22166 * correct for all installed apps. If there is an ownership mismatch, this 22167 * will try recovering system apps by wiping data; third-party app data is 22168 * left intact. 22169 */ 22170 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 22171 if (pkg == null) { 22172 Slog.wtf(TAG, "Package was null!", new Throwable()); 22173 return; 22174 } 22175 prepareAppDataLeafLIF(pkg, userId, flags); 22176 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 22177 for (int i = 0; i < childCount; i++) { 22178 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 22179 } 22180 } 22181 22182 private void prepareAppDataAndMigrateLIF(PackageParser.Package pkg, int userId, int flags, 22183 boolean maybeMigrateAppData) { 22184 prepareAppDataLIF(pkg, userId, flags); 22185 22186 if (maybeMigrateAppData && maybeMigrateAppDataLIF(pkg, userId)) { 22187 // We may have just shuffled around app data directories, so 22188 // prepare them one more time 22189 prepareAppDataLIF(pkg, userId, flags); 22190 } 22191 } 22192 22193 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 22194 if (DEBUG_APP_DATA) { 22195 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 22196 + Integer.toHexString(flags)); 22197 } 22198 22199 final String volumeUuid = pkg.volumeUuid; 22200 final String packageName = pkg.packageName; 22201 final ApplicationInfo app = pkg.applicationInfo; 22202 final int appId = UserHandle.getAppId(app.uid); 22203 22204 Preconditions.checkNotNull(app.seInfo); 22205 22206 long ceDataInode = -1; 22207 try { 22208 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 22209 appId, app.seInfo, app.targetSdkVersion); 22210 } catch (InstallerException e) { 22211 if (app.isSystemApp()) { 22212 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 22213 + ", but trying to recover: " + e); 22214 destroyAppDataLeafLIF(pkg, userId, flags); 22215 try { 22216 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 22217 appId, app.seInfo, app.targetSdkVersion); 22218 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 22219 } catch (InstallerException e2) { 22220 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 22221 } 22222 } else { 22223 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 22224 } 22225 } 22226 22227 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && ceDataInode != -1) { 22228 // TODO: mark this structure as dirty so we persist it! 22229 synchronized (mPackages) { 22230 final PackageSetting ps = mSettings.mPackages.get(packageName); 22231 if (ps != null) { 22232 ps.setCeDataInode(ceDataInode, userId); 22233 } 22234 } 22235 } 22236 22237 prepareAppDataContentsLeafLIF(pkg, userId, flags); 22238 } 22239 22240 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 22241 if (pkg == null) { 22242 Slog.wtf(TAG, "Package was null!", new Throwable()); 22243 return; 22244 } 22245 prepareAppDataContentsLeafLIF(pkg, userId, flags); 22246 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 22247 for (int i = 0; i < childCount; i++) { 22248 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 22249 } 22250 } 22251 22252 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 22253 final String volumeUuid = pkg.volumeUuid; 22254 final String packageName = pkg.packageName; 22255 final ApplicationInfo app = pkg.applicationInfo; 22256 22257 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 22258 // Create a native library symlink only if we have native libraries 22259 // and if the native libraries are 32 bit libraries. We do not provide 22260 // this symlink for 64 bit libraries. 22261 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 22262 final String nativeLibPath = app.nativeLibraryDir; 22263 try { 22264 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 22265 nativeLibPath, userId); 22266 } catch (InstallerException e) { 22267 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 22268 } 22269 } 22270 } 22271 } 22272 22273 /** 22274 * For system apps on non-FBE devices, this method migrates any existing 22275 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 22276 * requested by the app. 22277 */ 22278 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 22279 if (pkg.isSystemApp() && !StorageManager.isFileEncryptedNativeOrEmulated() 22280 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 22281 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 22282 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 22283 try { 22284 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 22285 storageTarget); 22286 } catch (InstallerException e) { 22287 logCriticalInfo(Log.WARN, 22288 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 22289 } 22290 return true; 22291 } else { 22292 return false; 22293 } 22294 } 22295 22296 public PackageFreezer freezePackage(String packageName, String killReason) { 22297 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 22298 } 22299 22300 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 22301 return new PackageFreezer(packageName, userId, killReason); 22302 } 22303 22304 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 22305 String killReason) { 22306 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 22307 } 22308 22309 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 22310 String killReason) { 22311 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 22312 return new PackageFreezer(); 22313 } else { 22314 return freezePackage(packageName, userId, killReason); 22315 } 22316 } 22317 22318 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 22319 String killReason) { 22320 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 22321 } 22322 22323 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 22324 String killReason) { 22325 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 22326 return new PackageFreezer(); 22327 } else { 22328 return freezePackage(packageName, userId, killReason); 22329 } 22330 } 22331 22332 /** 22333 * Class that freezes and kills the given package upon creation, and 22334 * unfreezes it upon closing. This is typically used when doing surgery on 22335 * app code/data to prevent the app from running while you're working. 22336 */ 22337 private class PackageFreezer implements AutoCloseable { 22338 private final String mPackageName; 22339 private final PackageFreezer[] mChildren; 22340 22341 private final boolean mWeFroze; 22342 22343 private final AtomicBoolean mClosed = new AtomicBoolean(); 22344 private final CloseGuard mCloseGuard = CloseGuard.get(); 22345 22346 /** 22347 * Create and return a stub freezer that doesn't actually do anything, 22348 * typically used when someone requested 22349 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 22350 * {@link PackageManager#DELETE_DONT_KILL_APP}. 22351 */ 22352 public PackageFreezer() { 22353 mPackageName = null; 22354 mChildren = null; 22355 mWeFroze = false; 22356 mCloseGuard.open("close"); 22357 } 22358 22359 public PackageFreezer(String packageName, int userId, String killReason) { 22360 synchronized (mPackages) { 22361 mPackageName = packageName; 22362 mWeFroze = mFrozenPackages.add(mPackageName); 22363 22364 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 22365 if (ps != null) { 22366 killApplication(ps.name, ps.appId, userId, killReason); 22367 } 22368 22369 final PackageParser.Package p = mPackages.get(packageName); 22370 if (p != null && p.childPackages != null) { 22371 final int N = p.childPackages.size(); 22372 mChildren = new PackageFreezer[N]; 22373 for (int i = 0; i < N; i++) { 22374 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 22375 userId, killReason); 22376 } 22377 } else { 22378 mChildren = null; 22379 } 22380 } 22381 mCloseGuard.open("close"); 22382 } 22383 22384 @Override 22385 protected void finalize() throws Throwable { 22386 try { 22387 mCloseGuard.warnIfOpen(); 22388 close(); 22389 } finally { 22390 super.finalize(); 22391 } 22392 } 22393 22394 @Override 22395 public void close() { 22396 mCloseGuard.close(); 22397 if (mClosed.compareAndSet(false, true)) { 22398 synchronized (mPackages) { 22399 if (mWeFroze) { 22400 mFrozenPackages.remove(mPackageName); 22401 } 22402 22403 if (mChildren != null) { 22404 for (PackageFreezer freezer : mChildren) { 22405 freezer.close(); 22406 } 22407 } 22408 } 22409 } 22410 } 22411 } 22412 22413 /** 22414 * Verify that given package is currently frozen. 22415 */ 22416 private void checkPackageFrozen(String packageName) { 22417 synchronized (mPackages) { 22418 if (!mFrozenPackages.contains(packageName)) { 22419 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 22420 } 22421 } 22422 } 22423 22424 @Override 22425 public int movePackage(final String packageName, final String volumeUuid) { 22426 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 22427 22428 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 22429 final int moveId = mNextMoveId.getAndIncrement(); 22430 mHandler.post(new Runnable() { 22431 @Override 22432 public void run() { 22433 try { 22434 movePackageInternal(packageName, volumeUuid, moveId, user); 22435 } catch (PackageManagerException e) { 22436 Slog.w(TAG, "Failed to move " + packageName, e); 22437 mMoveCallbacks.notifyStatusChanged(moveId, 22438 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 22439 } 22440 } 22441 }); 22442 return moveId; 22443 } 22444 22445 private void movePackageInternal(final String packageName, final String volumeUuid, 22446 final int moveId, UserHandle user) throws PackageManagerException { 22447 final StorageManager storage = mContext.getSystemService(StorageManager.class); 22448 final PackageManager pm = mContext.getPackageManager(); 22449 22450 final boolean currentAsec; 22451 final String currentVolumeUuid; 22452 final File codeFile; 22453 final String installerPackageName; 22454 final String packageAbiOverride; 22455 final int appId; 22456 final String seinfo; 22457 final String label; 22458 final int targetSdkVersion; 22459 final PackageFreezer freezer; 22460 final int[] installedUserIds; 22461 22462 // reader 22463 synchronized (mPackages) { 22464 final PackageParser.Package pkg = mPackages.get(packageName); 22465 final PackageSetting ps = mSettings.mPackages.get(packageName); 22466 if (pkg == null || ps == null) { 22467 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 22468 } 22469 22470 if (pkg.applicationInfo.isSystemApp()) { 22471 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 22472 "Cannot move system application"); 22473 } 22474 22475 final boolean isInternalStorage = VolumeInfo.ID_PRIVATE_INTERNAL.equals(volumeUuid); 22476 final boolean allow3rdPartyOnInternal = mContext.getResources().getBoolean( 22477 com.android.internal.R.bool.config_allow3rdPartyAppOnInternal); 22478 if (isInternalStorage && !allow3rdPartyOnInternal) { 22479 throw new PackageManagerException(MOVE_FAILED_3RD_PARTY_NOT_ALLOWED_ON_INTERNAL, 22480 "3rd party apps are not allowed on internal storage"); 22481 } 22482 22483 if (pkg.applicationInfo.isExternalAsec()) { 22484 currentAsec = true; 22485 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 22486 } else if (pkg.applicationInfo.isForwardLocked()) { 22487 currentAsec = true; 22488 currentVolumeUuid = "forward_locked"; 22489 } else { 22490 currentAsec = false; 22491 currentVolumeUuid = ps.volumeUuid; 22492 22493 final File probe = new File(pkg.codePath); 22494 final File probeOat = new File(probe, "oat"); 22495 if (!probe.isDirectory() || !probeOat.isDirectory()) { 22496 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22497 "Move only supported for modern cluster style installs"); 22498 } 22499 } 22500 22501 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 22502 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22503 "Package already moved to " + volumeUuid); 22504 } 22505 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 22506 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 22507 "Device admin cannot be moved"); 22508 } 22509 22510 if (mFrozenPackages.contains(packageName)) { 22511 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 22512 "Failed to move already frozen package"); 22513 } 22514 22515 codeFile = new File(pkg.codePath); 22516 installerPackageName = ps.installerPackageName; 22517 packageAbiOverride = ps.cpuAbiOverrideString; 22518 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 22519 seinfo = pkg.applicationInfo.seInfo; 22520 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 22521 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 22522 freezer = freezePackage(packageName, "movePackageInternal"); 22523 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 22524 } 22525 22526 final Bundle extras = new Bundle(); 22527 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 22528 extras.putString(Intent.EXTRA_TITLE, label); 22529 mMoveCallbacks.notifyCreated(moveId, extras); 22530 22531 int installFlags; 22532 final boolean moveCompleteApp; 22533 final File measurePath; 22534 22535 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 22536 installFlags = INSTALL_INTERNAL; 22537 moveCompleteApp = !currentAsec; 22538 measurePath = Environment.getDataAppDirectory(volumeUuid); 22539 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 22540 installFlags = INSTALL_EXTERNAL; 22541 moveCompleteApp = false; 22542 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 22543 } else { 22544 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 22545 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 22546 || !volume.isMountedWritable()) { 22547 freezer.close(); 22548 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22549 "Move location not mounted private volume"); 22550 } 22551 22552 Preconditions.checkState(!currentAsec); 22553 22554 installFlags = INSTALL_INTERNAL; 22555 moveCompleteApp = true; 22556 measurePath = Environment.getDataAppDirectory(volumeUuid); 22557 } 22558 22559 final PackageStats stats = new PackageStats(null, -1); 22560 synchronized (mInstaller) { 22561 for (int userId : installedUserIds) { 22562 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 22563 freezer.close(); 22564 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22565 "Failed to measure package size"); 22566 } 22567 } 22568 } 22569 22570 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 22571 + stats.dataSize); 22572 22573 final long startFreeBytes = measurePath.getUsableSpace(); 22574 final long sizeBytes; 22575 if (moveCompleteApp) { 22576 sizeBytes = stats.codeSize + stats.dataSize; 22577 } else { 22578 sizeBytes = stats.codeSize; 22579 } 22580 22581 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 22582 freezer.close(); 22583 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22584 "Not enough free space to move"); 22585 } 22586 22587 mMoveCallbacks.notifyStatusChanged(moveId, 10); 22588 22589 final CountDownLatch installedLatch = new CountDownLatch(1); 22590 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 22591 @Override 22592 public void onUserActionRequired(Intent intent) throws RemoteException { 22593 throw new IllegalStateException(); 22594 } 22595 22596 @Override 22597 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 22598 Bundle extras) throws RemoteException { 22599 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 22600 + PackageManager.installStatusToString(returnCode, msg)); 22601 22602 installedLatch.countDown(); 22603 freezer.close(); 22604 22605 final int status = PackageManager.installStatusToPublicStatus(returnCode); 22606 switch (status) { 22607 case PackageInstaller.STATUS_SUCCESS: 22608 mMoveCallbacks.notifyStatusChanged(moveId, 22609 PackageManager.MOVE_SUCCEEDED); 22610 break; 22611 case PackageInstaller.STATUS_FAILURE_STORAGE: 22612 mMoveCallbacks.notifyStatusChanged(moveId, 22613 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 22614 break; 22615 default: 22616 mMoveCallbacks.notifyStatusChanged(moveId, 22617 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 22618 break; 22619 } 22620 } 22621 }; 22622 22623 final MoveInfo move; 22624 if (moveCompleteApp) { 22625 // Kick off a thread to report progress estimates 22626 new Thread() { 22627 @Override 22628 public void run() { 22629 while (true) { 22630 try { 22631 if (installedLatch.await(1, TimeUnit.SECONDS)) { 22632 break; 22633 } 22634 } catch (InterruptedException ignored) { 22635 } 22636 22637 final long deltaFreeBytes = startFreeBytes - measurePath.getUsableSpace(); 22638 final int progress = 10 + (int) MathUtils.constrain( 22639 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 22640 mMoveCallbacks.notifyStatusChanged(moveId, progress); 22641 } 22642 } 22643 }.start(); 22644 22645 final String dataAppName = codeFile.getName(); 22646 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 22647 dataAppName, appId, seinfo, targetSdkVersion); 22648 } else { 22649 move = null; 22650 } 22651 22652 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 22653 22654 final Message msg = mHandler.obtainMessage(INIT_COPY); 22655 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 22656 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 22657 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 22658 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/, 22659 PackageManager.INSTALL_REASON_UNKNOWN); 22660 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 22661 msg.obj = params; 22662 22663 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 22664 System.identityHashCode(msg.obj)); 22665 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 22666 System.identityHashCode(msg.obj)); 22667 22668 mHandler.sendMessage(msg); 22669 } 22670 22671 @Override 22672 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 22673 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 22674 22675 final int realMoveId = mNextMoveId.getAndIncrement(); 22676 final Bundle extras = new Bundle(); 22677 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 22678 mMoveCallbacks.notifyCreated(realMoveId, extras); 22679 22680 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 22681 @Override 22682 public void onCreated(int moveId, Bundle extras) { 22683 // Ignored 22684 } 22685 22686 @Override 22687 public void onStatusChanged(int moveId, int status, long estMillis) { 22688 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 22689 } 22690 }; 22691 22692 final StorageManager storage = mContext.getSystemService(StorageManager.class); 22693 storage.setPrimaryStorageUuid(volumeUuid, callback); 22694 return realMoveId; 22695 } 22696 22697 @Override 22698 public int getMoveStatus(int moveId) { 22699 mContext.enforceCallingOrSelfPermission( 22700 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22701 return mMoveCallbacks.mLastStatus.get(moveId); 22702 } 22703 22704 @Override 22705 public void registerMoveCallback(IPackageMoveObserver callback) { 22706 mContext.enforceCallingOrSelfPermission( 22707 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22708 mMoveCallbacks.register(callback); 22709 } 22710 22711 @Override 22712 public void unregisterMoveCallback(IPackageMoveObserver callback) { 22713 mContext.enforceCallingOrSelfPermission( 22714 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22715 mMoveCallbacks.unregister(callback); 22716 } 22717 22718 @Override 22719 public boolean setInstallLocation(int loc) { 22720 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 22721 null); 22722 if (getInstallLocation() == loc) { 22723 return true; 22724 } 22725 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 22726 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 22727 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 22728 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 22729 return true; 22730 } 22731 return false; 22732 } 22733 22734 @Override 22735 public int getInstallLocation() { 22736 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 22737 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 22738 PackageHelper.APP_INSTALL_AUTO); 22739 } 22740 22741 /** Called by UserManagerService */ 22742 void cleanUpUser(UserManagerService userManager, int userHandle) { 22743 synchronized (mPackages) { 22744 mDirtyUsers.remove(userHandle); 22745 mUserNeedsBadging.delete(userHandle); 22746 mSettings.removeUserLPw(userHandle); 22747 mPendingBroadcasts.remove(userHandle); 22748 mInstantAppRegistry.onUserRemovedLPw(userHandle); 22749 removeUnusedPackagesLPw(userManager, userHandle); 22750 } 22751 } 22752 22753 /** 22754 * We're removing userHandle and would like to remove any downloaded packages 22755 * that are no longer in use by any other user. 22756 * @param userHandle the user being removed 22757 */ 22758 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 22759 final boolean DEBUG_CLEAN_APKS = false; 22760 int [] users = userManager.getUserIds(); 22761 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 22762 while (psit.hasNext()) { 22763 PackageSetting ps = psit.next(); 22764 if (ps.pkg == null) { 22765 continue; 22766 } 22767 final String packageName = ps.pkg.packageName; 22768 // Skip over if system app 22769 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 22770 continue; 22771 } 22772 if (DEBUG_CLEAN_APKS) { 22773 Slog.i(TAG, "Checking package " + packageName); 22774 } 22775 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 22776 if (keep) { 22777 if (DEBUG_CLEAN_APKS) { 22778 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 22779 } 22780 } else { 22781 for (int i = 0; i < users.length; i++) { 22782 if (users[i] != userHandle && ps.getInstalled(users[i])) { 22783 keep = true; 22784 if (DEBUG_CLEAN_APKS) { 22785 Slog.i(TAG, " Keeping package " + packageName + " for user " 22786 + users[i]); 22787 } 22788 break; 22789 } 22790 } 22791 } 22792 if (!keep) { 22793 if (DEBUG_CLEAN_APKS) { 22794 Slog.i(TAG, " Removing package " + packageName); 22795 } 22796 mHandler.post(new Runnable() { 22797 public void run() { 22798 deletePackageX(packageName, PackageManager.VERSION_CODE_HIGHEST, 22799 userHandle, 0); 22800 } //end run 22801 }); 22802 } 22803 } 22804 } 22805 22806 /** Called by UserManagerService */ 22807 void createNewUser(int userId, String[] disallowedPackages) { 22808 synchronized (mInstallLock) { 22809 mSettings.createNewUserLI(this, mInstaller, userId, disallowedPackages); 22810 } 22811 synchronized (mPackages) { 22812 scheduleWritePackageRestrictionsLocked(userId); 22813 scheduleWritePackageListLocked(userId); 22814 applyFactoryDefaultBrowserLPw(userId); 22815 primeDomainVerificationsLPw(userId); 22816 } 22817 } 22818 22819 void onNewUserCreated(final int userId) { 22820 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 22821 // If permission review for legacy apps is required, we represent 22822 // dagerous permissions for such apps as always granted runtime 22823 // permissions to keep per user flag state whether review is needed. 22824 // Hence, if a new user is added we have to propagate dangerous 22825 // permission grants for these legacy apps. 22826 if (mPermissionReviewRequired) { 22827 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 22828 | UPDATE_PERMISSIONS_REPLACE_ALL); 22829 } 22830 } 22831 22832 @Override 22833 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 22834 mContext.enforceCallingOrSelfPermission( 22835 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 22836 "Only package verification agents can read the verifier device identity"); 22837 22838 synchronized (mPackages) { 22839 return mSettings.getVerifierDeviceIdentityLPw(); 22840 } 22841 } 22842 22843 @Override 22844 public void setPermissionEnforced(String permission, boolean enforced) { 22845 // TODO: Now that we no longer change GID for storage, this should to away. 22846 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 22847 "setPermissionEnforced"); 22848 if (READ_EXTERNAL_STORAGE.equals(permission)) { 22849 synchronized (mPackages) { 22850 if (mSettings.mReadExternalStorageEnforced == null 22851 || mSettings.mReadExternalStorageEnforced != enforced) { 22852 mSettings.mReadExternalStorageEnforced = enforced; 22853 mSettings.writeLPr(); 22854 } 22855 } 22856 // kill any non-foreground processes so we restart them and 22857 // grant/revoke the GID. 22858 final IActivityManager am = ActivityManager.getService(); 22859 if (am != null) { 22860 final long token = Binder.clearCallingIdentity(); 22861 try { 22862 am.killProcessesBelowForeground("setPermissionEnforcement"); 22863 } catch (RemoteException e) { 22864 } finally { 22865 Binder.restoreCallingIdentity(token); 22866 } 22867 } 22868 } else { 22869 throw new IllegalArgumentException("No selective enforcement for " + permission); 22870 } 22871 } 22872 22873 @Override 22874 @Deprecated 22875 public boolean isPermissionEnforced(String permission) { 22876 return true; 22877 } 22878 22879 @Override 22880 public boolean isStorageLow() { 22881 final long token = Binder.clearCallingIdentity(); 22882 try { 22883 final DeviceStorageMonitorInternal 22884 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 22885 if (dsm != null) { 22886 return dsm.isMemoryLow(); 22887 } else { 22888 return false; 22889 } 22890 } finally { 22891 Binder.restoreCallingIdentity(token); 22892 } 22893 } 22894 22895 @Override 22896 public IPackageInstaller getPackageInstaller() { 22897 return mInstallerService; 22898 } 22899 22900 private boolean userNeedsBadging(int userId) { 22901 int index = mUserNeedsBadging.indexOfKey(userId); 22902 if (index < 0) { 22903 final UserInfo userInfo; 22904 final long token = Binder.clearCallingIdentity(); 22905 try { 22906 userInfo = sUserManager.getUserInfo(userId); 22907 } finally { 22908 Binder.restoreCallingIdentity(token); 22909 } 22910 final boolean b; 22911 if (userInfo != null && userInfo.isManagedProfile()) { 22912 b = true; 22913 } else { 22914 b = false; 22915 } 22916 mUserNeedsBadging.put(userId, b); 22917 return b; 22918 } 22919 return mUserNeedsBadging.valueAt(index); 22920 } 22921 22922 @Override 22923 public KeySet getKeySetByAlias(String packageName, String alias) { 22924 if (packageName == null || alias == null) { 22925 return null; 22926 } 22927 synchronized(mPackages) { 22928 final PackageParser.Package pkg = mPackages.get(packageName); 22929 if (pkg == null) { 22930 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22931 throw new IllegalArgumentException("Unknown package: " + packageName); 22932 } 22933 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22934 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 22935 } 22936 } 22937 22938 @Override 22939 public KeySet getSigningKeySet(String packageName) { 22940 if (packageName == null) { 22941 return null; 22942 } 22943 synchronized(mPackages) { 22944 final PackageParser.Package pkg = mPackages.get(packageName); 22945 if (pkg == null) { 22946 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22947 throw new IllegalArgumentException("Unknown package: " + packageName); 22948 } 22949 if (pkg.applicationInfo.uid != Binder.getCallingUid() 22950 && Process.SYSTEM_UID != Binder.getCallingUid()) { 22951 throw new SecurityException("May not access signing KeySet of other apps."); 22952 } 22953 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22954 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 22955 } 22956 } 22957 22958 @Override 22959 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 22960 if (packageName == null || ks == null) { 22961 return false; 22962 } 22963 synchronized(mPackages) { 22964 final PackageParser.Package pkg = mPackages.get(packageName); 22965 if (pkg == null) { 22966 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22967 throw new IllegalArgumentException("Unknown package: " + packageName); 22968 } 22969 IBinder ksh = ks.getToken(); 22970 if (ksh instanceof KeySetHandle) { 22971 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22972 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 22973 } 22974 return false; 22975 } 22976 } 22977 22978 @Override 22979 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 22980 if (packageName == null || ks == null) { 22981 return false; 22982 } 22983 synchronized(mPackages) { 22984 final PackageParser.Package pkg = mPackages.get(packageName); 22985 if (pkg == null) { 22986 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22987 throw new IllegalArgumentException("Unknown package: " + packageName); 22988 } 22989 IBinder ksh = ks.getToken(); 22990 if (ksh instanceof KeySetHandle) { 22991 KeySetManagerService ksms = mSettings.mKeySetManagerService; 22992 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 22993 } 22994 return false; 22995 } 22996 } 22997 22998 private void deletePackageIfUnusedLPr(final String packageName) { 22999 PackageSetting ps = mSettings.mPackages.get(packageName); 23000 if (ps == null) { 23001 return; 23002 } 23003 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 23004 // TODO Implement atomic delete if package is unused 23005 // It is currently possible that the package will be deleted even if it is installed 23006 // after this method returns. 23007 mHandler.post(new Runnable() { 23008 public void run() { 23009 deletePackageX(packageName, PackageManager.VERSION_CODE_HIGHEST, 23010 0, PackageManager.DELETE_ALL_USERS); 23011 } 23012 }); 23013 } 23014 } 23015 23016 /** 23017 * Check and throw if the given before/after packages would be considered a 23018 * downgrade. 23019 */ 23020 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 23021 throws PackageManagerException { 23022 if (after.versionCode < before.mVersionCode) { 23023 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 23024 "Update version code " + after.versionCode + " is older than current " 23025 + before.mVersionCode); 23026 } else if (after.versionCode == before.mVersionCode) { 23027 if (after.baseRevisionCode < before.baseRevisionCode) { 23028 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 23029 "Update base revision code " + after.baseRevisionCode 23030 + " is older than current " + before.baseRevisionCode); 23031 } 23032 23033 if (!ArrayUtils.isEmpty(after.splitNames)) { 23034 for (int i = 0; i < after.splitNames.length; i++) { 23035 final String splitName = after.splitNames[i]; 23036 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 23037 if (j != -1) { 23038 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 23039 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 23040 "Update split " + splitName + " revision code " 23041 + after.splitRevisionCodes[i] + " is older than current " 23042 + before.splitRevisionCodes[j]); 23043 } 23044 } 23045 } 23046 } 23047 } 23048 } 23049 23050 private static class MoveCallbacks extends Handler { 23051 private static final int MSG_CREATED = 1; 23052 private static final int MSG_STATUS_CHANGED = 2; 23053 23054 private final RemoteCallbackList<IPackageMoveObserver> 23055 mCallbacks = new RemoteCallbackList<>(); 23056 23057 private final SparseIntArray mLastStatus = new SparseIntArray(); 23058 23059 public MoveCallbacks(Looper looper) { 23060 super(looper); 23061 } 23062 23063 public void register(IPackageMoveObserver callback) { 23064 mCallbacks.register(callback); 23065 } 23066 23067 public void unregister(IPackageMoveObserver callback) { 23068 mCallbacks.unregister(callback); 23069 } 23070 23071 @Override 23072 public void handleMessage(Message msg) { 23073 final SomeArgs args = (SomeArgs) msg.obj; 23074 final int n = mCallbacks.beginBroadcast(); 23075 for (int i = 0; i < n; i++) { 23076 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 23077 try { 23078 invokeCallback(callback, msg.what, args); 23079 } catch (RemoteException ignored) { 23080 } 23081 } 23082 mCallbacks.finishBroadcast(); 23083 args.recycle(); 23084 } 23085 23086 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 23087 throws RemoteException { 23088 switch (what) { 23089 case MSG_CREATED: { 23090 callback.onCreated(args.argi1, (Bundle) args.arg2); 23091 break; 23092 } 23093 case MSG_STATUS_CHANGED: { 23094 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 23095 break; 23096 } 23097 } 23098 } 23099 23100 private void notifyCreated(int moveId, Bundle extras) { 23101 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 23102 23103 final SomeArgs args = SomeArgs.obtain(); 23104 args.argi1 = moveId; 23105 args.arg2 = extras; 23106 obtainMessage(MSG_CREATED, args).sendToTarget(); 23107 } 23108 23109 private void notifyStatusChanged(int moveId, int status) { 23110 notifyStatusChanged(moveId, status, -1); 23111 } 23112 23113 private void notifyStatusChanged(int moveId, int status, long estMillis) { 23114 Slog.v(TAG, "Move " + moveId + " status " + status); 23115 23116 final SomeArgs args = SomeArgs.obtain(); 23117 args.argi1 = moveId; 23118 args.argi2 = status; 23119 args.arg3 = estMillis; 23120 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 23121 23122 synchronized (mLastStatus) { 23123 mLastStatus.put(moveId, status); 23124 } 23125 } 23126 } 23127 23128 private final static class OnPermissionChangeListeners extends Handler { 23129 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 23130 23131 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 23132 new RemoteCallbackList<>(); 23133 23134 public OnPermissionChangeListeners(Looper looper) { 23135 super(looper); 23136 } 23137 23138 @Override 23139 public void handleMessage(Message msg) { 23140 switch (msg.what) { 23141 case MSG_ON_PERMISSIONS_CHANGED: { 23142 final int uid = msg.arg1; 23143 handleOnPermissionsChanged(uid); 23144 } break; 23145 } 23146 } 23147 23148 public void addListenerLocked(IOnPermissionsChangeListener listener) { 23149 mPermissionListeners.register(listener); 23150 23151 } 23152 23153 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 23154 mPermissionListeners.unregister(listener); 23155 } 23156 23157 public void onPermissionsChanged(int uid) { 23158 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 23159 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 23160 } 23161 } 23162 23163 private void handleOnPermissionsChanged(int uid) { 23164 final int count = mPermissionListeners.beginBroadcast(); 23165 try { 23166 for (int i = 0; i < count; i++) { 23167 IOnPermissionsChangeListener callback = mPermissionListeners 23168 .getBroadcastItem(i); 23169 try { 23170 callback.onPermissionsChanged(uid); 23171 } catch (RemoteException e) { 23172 Log.e(TAG, "Permission listener is dead", e); 23173 } 23174 } 23175 } finally { 23176 mPermissionListeners.finishBroadcast(); 23177 } 23178 } 23179 } 23180 23181 private class PackageManagerInternalImpl extends PackageManagerInternal { 23182 @Override 23183 public void setLocationPackagesProvider(PackagesProvider provider) { 23184 synchronized (mPackages) { 23185 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 23186 } 23187 } 23188 23189 @Override 23190 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 23191 synchronized (mPackages) { 23192 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 23193 } 23194 } 23195 23196 @Override 23197 public void setSmsAppPackagesProvider(PackagesProvider provider) { 23198 synchronized (mPackages) { 23199 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 23200 } 23201 } 23202 23203 @Override 23204 public void setDialerAppPackagesProvider(PackagesProvider provider) { 23205 synchronized (mPackages) { 23206 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 23207 } 23208 } 23209 23210 @Override 23211 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 23212 synchronized (mPackages) { 23213 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 23214 } 23215 } 23216 23217 @Override 23218 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 23219 synchronized (mPackages) { 23220 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 23221 } 23222 } 23223 23224 @Override 23225 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 23226 synchronized (mPackages) { 23227 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 23228 packageName, userId); 23229 } 23230 } 23231 23232 @Override 23233 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 23234 synchronized (mPackages) { 23235 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 23236 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 23237 packageName, userId); 23238 } 23239 } 23240 23241 @Override 23242 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 23243 synchronized (mPackages) { 23244 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 23245 packageName, userId); 23246 } 23247 } 23248 23249 @Override 23250 public void setKeepUninstalledPackages(final List<String> packageList) { 23251 Preconditions.checkNotNull(packageList); 23252 List<String> removedFromList = null; 23253 synchronized (mPackages) { 23254 if (mKeepUninstalledPackages != null) { 23255 final int packagesCount = mKeepUninstalledPackages.size(); 23256 for (int i = 0; i < packagesCount; i++) { 23257 String oldPackage = mKeepUninstalledPackages.get(i); 23258 if (packageList != null && packageList.contains(oldPackage)) { 23259 continue; 23260 } 23261 if (removedFromList == null) { 23262 removedFromList = new ArrayList<>(); 23263 } 23264 removedFromList.add(oldPackage); 23265 } 23266 } 23267 mKeepUninstalledPackages = new ArrayList<>(packageList); 23268 if (removedFromList != null) { 23269 final int removedCount = removedFromList.size(); 23270 for (int i = 0; i < removedCount; i++) { 23271 deletePackageIfUnusedLPr(removedFromList.get(i)); 23272 } 23273 } 23274 } 23275 } 23276 23277 @Override 23278 public boolean isPermissionsReviewRequired(String packageName, int userId) { 23279 synchronized (mPackages) { 23280 // If we do not support permission review, done. 23281 if (!mPermissionReviewRequired) { 23282 return false; 23283 } 23284 23285 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 23286 if (packageSetting == null) { 23287 return false; 23288 } 23289 23290 // Permission review applies only to apps not supporting the new permission model. 23291 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 23292 return false; 23293 } 23294 23295 // Legacy apps have the permission and get user consent on launch. 23296 PermissionsState permissionsState = packageSetting.getPermissionsState(); 23297 return permissionsState.isPermissionReviewRequired(userId); 23298 } 23299 } 23300 23301 @Override 23302 public ApplicationInfo getApplicationInfo(String packageName, int userId) { 23303 return PackageManagerService.this.getApplicationInfo(packageName, 0 /*flags*/, userId); 23304 } 23305 23306 @Override 23307 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 23308 int userId) { 23309 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 23310 } 23311 23312 @Override 23313 public void setDeviceAndProfileOwnerPackages( 23314 int deviceOwnerUserId, String deviceOwnerPackage, 23315 SparseArray<String> profileOwnerPackages) { 23316 mProtectedPackages.setDeviceAndProfileOwnerPackages( 23317 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 23318 } 23319 23320 @Override 23321 public boolean isPackageDataProtected(int userId, String packageName) { 23322 return mProtectedPackages.isPackageDataProtected(userId, packageName); 23323 } 23324 23325 @Override 23326 public boolean isPackageEphemeral(int userId, String packageName) { 23327 synchronized (mPackages) { 23328 final PackageSetting ps = mSettings.mPackages.get(packageName); 23329 return ps != null ? ps.getInstantApp(userId) : false; 23330 } 23331 } 23332 23333 @Override 23334 public boolean wasPackageEverLaunched(String packageName, int userId) { 23335 synchronized (mPackages) { 23336 return mSettings.wasPackageEverLaunchedLPr(packageName, userId); 23337 } 23338 } 23339 23340 @Override 23341 public void grantRuntimePermission(String packageName, String name, int userId, 23342 boolean overridePolicy) { 23343 PackageManagerService.this.grantRuntimePermission(packageName, name, userId, 23344 overridePolicy); 23345 } 23346 23347 @Override 23348 public void revokeRuntimePermission(String packageName, String name, int userId, 23349 boolean overridePolicy) { 23350 PackageManagerService.this.revokeRuntimePermission(packageName, name, userId, 23351 overridePolicy); 23352 } 23353 23354 @Override 23355 public String getNameForUid(int uid) { 23356 return PackageManagerService.this.getNameForUid(uid); 23357 } 23358 23359 @Override 23360 public void requestInstantAppResolutionPhaseTwo(AuxiliaryResolveInfo responseObj, 23361 Intent origIntent, String resolvedType, String callingPackage, int userId) { 23362 PackageManagerService.this.requestInstantAppResolutionPhaseTwo( 23363 responseObj, origIntent, resolvedType, callingPackage, userId); 23364 } 23365 23366 @Override 23367 public void grantEphemeralAccess(int userId, Intent intent, 23368 int targetAppId, int ephemeralAppId) { 23369 synchronized (mPackages) { 23370 mInstantAppRegistry.grantInstantAccessLPw(userId, intent, 23371 targetAppId, ephemeralAppId); 23372 } 23373 } 23374 23375 @Override 23376 public boolean isInstantAppInstallerComponent(ComponentName component) { 23377 synchronized (mPackages) { 23378 return mInstantAppInstallerActivity != null 23379 && mInstantAppInstallerActivity.getComponentName().equals(component); 23380 } 23381 } 23382 23383 @Override 23384 public void pruneInstantApps() { 23385 synchronized (mPackages) { 23386 mInstantAppRegistry.pruneInstantAppsLPw(); 23387 } 23388 } 23389 23390 @Override 23391 public String getSetupWizardPackageName() { 23392 return mSetupWizardPackage; 23393 } 23394 23395 public void setExternalSourcesPolicy(ExternalSourcesPolicy policy) { 23396 if (policy != null) { 23397 mExternalSourcesPolicy = policy; 23398 } 23399 } 23400 23401 @Override 23402 public boolean isPackagePersistent(String packageName) { 23403 synchronized (mPackages) { 23404 PackageParser.Package pkg = mPackages.get(packageName); 23405 return pkg != null 23406 ? ((pkg.applicationInfo.flags&(ApplicationInfo.FLAG_SYSTEM 23407 | ApplicationInfo.FLAG_PERSISTENT)) == 23408 (ApplicationInfo.FLAG_SYSTEM | ApplicationInfo.FLAG_PERSISTENT)) 23409 : false; 23410 } 23411 } 23412 23413 @Override 23414 public List<PackageInfo> getOverlayPackages(int userId) { 23415 final ArrayList<PackageInfo> overlayPackages = new ArrayList<PackageInfo>(); 23416 synchronized (mPackages) { 23417 for (PackageParser.Package p : mPackages.values()) { 23418 if (p.mOverlayTarget != null) { 23419 PackageInfo pkg = generatePackageInfo((PackageSetting)p.mExtras, 0, userId); 23420 if (pkg != null) { 23421 overlayPackages.add(pkg); 23422 } 23423 } 23424 } 23425 } 23426 return overlayPackages; 23427 } 23428 23429 @Override 23430 public List<String> getTargetPackageNames(int userId) { 23431 List<String> targetPackages = new ArrayList<>(); 23432 synchronized (mPackages) { 23433 for (PackageParser.Package p : mPackages.values()) { 23434 if (p.mOverlayTarget == null) { 23435 targetPackages.add(p.packageName); 23436 } 23437 } 23438 } 23439 return targetPackages; 23440 } 23441 23442 @Override 23443 public boolean setEnabledOverlayPackages(int userId, @NonNull String targetPackageName, 23444 @Nullable List<String> overlayPackageNames) { 23445 synchronized (mPackages) { 23446 if (targetPackageName == null || mPackages.get(targetPackageName) == null) { 23447 Slog.e(TAG, "failed to find package " + targetPackageName); 23448 return false; 23449 } 23450 23451 ArrayList<String> paths = null; 23452 if (overlayPackageNames != null) { 23453 final int N = overlayPackageNames.size(); 23454 paths = new ArrayList<>(N); 23455 for (int i = 0; i < N; i++) { 23456 final String packageName = overlayPackageNames.get(i); 23457 final PackageParser.Package pkg = mPackages.get(packageName); 23458 if (pkg == null) { 23459 Slog.e(TAG, "failed to find package " + packageName); 23460 return false; 23461 } 23462 paths.add(pkg.baseCodePath); 23463 } 23464 } 23465 23466 ArrayMap<String, ArrayList<String>> userSpecificOverlays = 23467 mEnabledOverlayPaths.get(userId); 23468 if (userSpecificOverlays == null) { 23469 userSpecificOverlays = new ArrayMap<>(); 23470 mEnabledOverlayPaths.put(userId, userSpecificOverlays); 23471 } 23472 23473 if (paths != null && paths.size() > 0) { 23474 userSpecificOverlays.put(targetPackageName, paths); 23475 } else { 23476 userSpecificOverlays.remove(targetPackageName); 23477 } 23478 return true; 23479 } 23480 } 23481 23482 @Override 23483 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 23484 int flags, int userId) { 23485 return resolveIntentInternal( 23486 intent, resolvedType, flags, userId, true /*includeInstantApps*/); 23487 } 23488 23489 @Override 23490 public ResolveInfo resolveService(Intent intent, String resolvedType, 23491 int flags, int userId, int callingUid) { 23492 return resolveServiceInternal( 23493 intent, resolvedType, flags, userId, callingUid, true /*includeInstantApps*/); 23494 } 23495 23496 @Override 23497 public void addIsolatedUid(int isolatedUid, int ownerUid) { 23498 synchronized (mPackages) { 23499 mIsolatedOwners.put(isolatedUid, ownerUid); 23500 } 23501 } 23502 23503 @Override 23504 public void removeIsolatedUid(int isolatedUid) { 23505 synchronized (mPackages) { 23506 mIsolatedOwners.delete(isolatedUid); 23507 } 23508 } 23509 } 23510 23511 @Override 23512 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 23513 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 23514 synchronized (mPackages) { 23515 final long identity = Binder.clearCallingIdentity(); 23516 try { 23517 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 23518 packageNames, userId); 23519 } finally { 23520 Binder.restoreCallingIdentity(identity); 23521 } 23522 } 23523 } 23524 23525 @Override 23526 public void grantDefaultPermissionsToEnabledImsServices(String[] packageNames, int userId) { 23527 enforceSystemOrPhoneCaller("grantDefaultPermissionsToEnabledImsServices"); 23528 synchronized (mPackages) { 23529 final long identity = Binder.clearCallingIdentity(); 23530 try { 23531 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledImsServicesLPr( 23532 packageNames, userId); 23533 } finally { 23534 Binder.restoreCallingIdentity(identity); 23535 } 23536 } 23537 } 23538 23539 private static void enforceSystemOrPhoneCaller(String tag) { 23540 int callingUid = Binder.getCallingUid(); 23541 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 23542 throw new SecurityException( 23543 "Cannot call " + tag + " from UID " + callingUid); 23544 } 23545 } 23546 23547 boolean isHistoricalPackageUsageAvailable() { 23548 return mPackageUsage.isHistoricalPackageUsageAvailable(); 23549 } 23550 23551 /** 23552 * Return a <b>copy</b> of the collection of packages known to the package manager. 23553 * @return A copy of the values of mPackages. 23554 */ 23555 Collection<PackageParser.Package> getPackages() { 23556 synchronized (mPackages) { 23557 return new ArrayList<>(mPackages.values()); 23558 } 23559 } 23560 23561 /** 23562 * Logs process start information (including base APK hash) to the security log. 23563 * @hide 23564 */ 23565 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 23566 String apkFile, int pid) { 23567 if (!SecurityLog.isLoggingEnabled()) { 23568 return; 23569 } 23570 Bundle data = new Bundle(); 23571 data.putLong("startTimestamp", System.currentTimeMillis()); 23572 data.putString("processName", processName); 23573 data.putInt("uid", uid); 23574 data.putString("seinfo", seinfo); 23575 data.putString("apkFile", apkFile); 23576 data.putInt("pid", pid); 23577 Message msg = mProcessLoggingHandler.obtainMessage( 23578 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 23579 msg.setData(data); 23580 mProcessLoggingHandler.sendMessage(msg); 23581 } 23582 23583 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 23584 return mCompilerStats.getPackageStats(pkgName); 23585 } 23586 23587 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 23588 return getOrCreateCompilerPackageStats(pkg.packageName); 23589 } 23590 23591 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 23592 return mCompilerStats.getOrCreatePackageStats(pkgName); 23593 } 23594 23595 public void deleteCompilerPackageStats(String pkgName) { 23596 mCompilerStats.deletePackageStats(pkgName); 23597 } 23598 23599 @Override 23600 public int getInstallReason(String packageName, int userId) { 23601 enforceCrossUserPermission(Binder.getCallingUid(), userId, 23602 true /* requireFullPermission */, false /* checkShell */, 23603 "get install reason"); 23604 synchronized (mPackages) { 23605 final PackageSetting ps = mSettings.mPackages.get(packageName); 23606 if (ps != null) { 23607 return ps.getInstallReason(userId); 23608 } 23609 } 23610 return PackageManager.INSTALL_REASON_UNKNOWN; 23611 } 23612 23613 @Override 23614 public boolean canRequestPackageInstalls(String packageName, int userId) { 23615 int callingUid = Binder.getCallingUid(); 23616 int uid = getPackageUid(packageName, 0, userId); 23617 if (callingUid != uid && callingUid != Process.ROOT_UID 23618 && callingUid != Process.SYSTEM_UID) { 23619 throw new SecurityException( 23620 "Caller uid " + callingUid + " does not own package " + packageName); 23621 } 23622 ApplicationInfo info = getApplicationInfo(packageName, 0, userId); 23623 if (info == null) { 23624 return false; 23625 } 23626 if (info.targetSdkVersion < Build.VERSION_CODES.O) { 23627 throw new UnsupportedOperationException( 23628 "Operation only supported on apps targeting Android O or higher"); 23629 } 23630 String appOpPermission = Manifest.permission.REQUEST_INSTALL_PACKAGES; 23631 String[] packagesDeclaringPermission = getAppOpPermissionPackages(appOpPermission); 23632 if (!ArrayUtils.contains(packagesDeclaringPermission, packageName)) { 23633 throw new SecurityException("Need to declare " + appOpPermission + " to call this api"); 23634 } 23635 if (sUserManager.hasUserRestriction(UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES, userId)) { 23636 return false; 23637 } 23638 if (mExternalSourcesPolicy != null) { 23639 int isTrusted = mExternalSourcesPolicy.getPackageTrustedToInstallApps(packageName, uid); 23640 if (isTrusted != PackageManagerInternal.ExternalSourcesPolicy.USER_DEFAULT) { 23641 return isTrusted == PackageManagerInternal.ExternalSourcesPolicy.USER_TRUSTED; 23642 } 23643 } 23644 return checkUidPermission(appOpPermission, uid) == PERMISSION_GRANTED; 23645 } 23646 23647 @Override 23648 public ComponentName getInstantAppResolverSettingsComponent() { 23649 return mInstantAppResolverSettingsComponent; 23650 } 23651 23652 @Override 23653 public ComponentName getInstantAppInstallerComponent() { 23654 return mInstantAppInstallerActivity == null 23655 ? null : mInstantAppInstallerActivity.getComponentName(); 23656 } 23657 23658 @Override 23659 public String getInstantAppAndroidId(String packageName, int userId) { 23660 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.ACCESS_INSTANT_APPS, 23661 "getInstantAppAndroidId"); 23662 enforceCrossUserPermission(Binder.getCallingUid(), userId, 23663 true /* requireFullPermission */, false /* checkShell */, 23664 "getInstantAppAndroidId"); 23665 // Make sure the target is an Instant App. 23666 if (!isInstantApp(packageName, userId)) { 23667 return null; 23668 } 23669 synchronized (mPackages) { 23670 return mInstantAppRegistry.getInstantAppAndroidIdLPw(packageName, userId); 23671 } 23672 } 23673} 23674 23675interface PackageSender { 23676 void sendPackageBroadcast(final String action, final String pkg, 23677 final Bundle extras, final int flags, final String targetPkg, 23678 final IIntentReceiver finishedReceiver, final int[] userIds); 23679 void sendPackageAddedForNewUsers(String packageName, boolean isSystem, 23680 int appId, int... userIds); 23681} 23682