PackageManagerService.java revision 3621be71d0fe8a349ca468aca99a53a17f6575b3
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.SET_HARMFUL_APP_WARNINGS; 21import static android.Manifest.permission.INSTALL_PACKAGES; 22import static android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS; 23import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 24import static android.Manifest.permission.REQUEST_DELETE_PACKAGES; 25import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 26import static android.Manifest.permission.WRITE_MEDIA_STORAGE; 27import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 28import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 29import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 30import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 31import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 32import static android.content.pm.PackageManager.DELETE_KEEP_DATA; 33import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 34import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 35import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 36import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 37import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 38import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 39import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 40import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 41import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 42import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 43import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 44import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 45import static android.content.pm.PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID; 46import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 47import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 48import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 49import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 50import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 51import static android.content.pm.PackageManager.INSTALL_FAILED_NEWER_SDK; 52import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 53import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 54import static android.content.pm.PackageManager.INSTALL_FAILED_SANDBOX_VERSION_DOWNGRADE; 55import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 56import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 57import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 58import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 59import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 60import static android.content.pm.PackageManager.INSTALL_INTERNAL; 61import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 62import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 63import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 64import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 65import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 66import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 67import static android.content.pm.PackageManager.MATCH_ALL; 68import static android.content.pm.PackageManager.MATCH_ANY_USER; 69import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 70import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_AWARE; 71import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE; 72import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 73import static android.content.pm.PackageManager.MATCH_FACTORY_ONLY; 74import static android.content.pm.PackageManager.MATCH_KNOWN_PACKAGES; 75import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 76import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 77import static android.content.pm.PackageManager.MOVE_FAILED_3RD_PARTY_NOT_ALLOWED_ON_INTERNAL; 78import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 79import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 80import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 81import static android.content.pm.PackageManager.MOVE_FAILED_LOCKED_USER; 82import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 83import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 84import static android.content.pm.PackageManager.PERMISSION_DENIED; 85import static android.content.pm.PackageManager.PERMISSION_GRANTED; 86import static android.content.pm.PackageParser.isApkFile; 87import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 88import static android.os.storage.StorageManager.FLAG_STORAGE_CE; 89import static android.os.storage.StorageManager.FLAG_STORAGE_DE; 90import static android.system.OsConstants.O_CREAT; 91import static android.system.OsConstants.O_RDWR; 92import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 93import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 94import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 95import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 96import static com.android.internal.util.ArrayUtils.appendInt; 97import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 98import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 99import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 100import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 101import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 102import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason; 103import static com.android.server.pm.PackageManagerServiceCompilerMapping.getDefaultCompilerFilter; 104import static com.android.server.pm.PackageManagerServiceUtils.compareSignatures; 105import static com.android.server.pm.PackageManagerServiceUtils.compressedFileExists; 106import static com.android.server.pm.PackageManagerServiceUtils.decompressFile; 107import static com.android.server.pm.PackageManagerServiceUtils.deriveAbiOverride; 108import static com.android.server.pm.PackageManagerServiceUtils.dumpCriticalInfo; 109import static com.android.server.pm.PackageManagerServiceUtils.getCompressedFiles; 110import static com.android.server.pm.PackageManagerServiceUtils.getLastModifiedTime; 111import static com.android.server.pm.PackageManagerServiceUtils.logCriticalInfo; 112import static com.android.server.pm.PackageManagerServiceUtils.verifySignatures; 113import static com.android.server.pm.permission.PermissionsState.PERMISSION_OPERATION_FAILURE; 114import static com.android.server.pm.permission.PermissionsState.PERMISSION_OPERATION_SUCCESS; 115import static com.android.server.pm.permission.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 116 117import android.Manifest; 118import android.annotation.IntDef; 119import android.annotation.NonNull; 120import android.annotation.Nullable; 121import android.app.ActivityManager; 122import android.app.AppOpsManager; 123import android.app.IActivityManager; 124import android.app.ResourcesManager; 125import android.app.admin.IDevicePolicyManager; 126import android.app.admin.SecurityLog; 127import android.app.backup.IBackupManager; 128import android.content.BroadcastReceiver; 129import android.content.ComponentName; 130import android.content.ContentResolver; 131import android.content.Context; 132import android.content.IIntentReceiver; 133import android.content.Intent; 134import android.content.IntentFilter; 135import android.content.IntentSender; 136import android.content.IntentSender.SendIntentException; 137import android.content.ServiceConnection; 138import android.content.pm.ActivityInfo; 139import android.content.pm.ApplicationInfo; 140import android.content.pm.AppsQueryHelper; 141import android.content.pm.AuxiliaryResolveInfo; 142import android.content.pm.ChangedPackages; 143import android.content.pm.ComponentInfo; 144import android.content.pm.FallbackCategoryProvider; 145import android.content.pm.FeatureInfo; 146import android.content.pm.IDexModuleRegisterCallback; 147import android.content.pm.IOnPermissionsChangeListener; 148import android.content.pm.IPackageDataObserver; 149import android.content.pm.IPackageDeleteObserver; 150import android.content.pm.IPackageDeleteObserver2; 151import android.content.pm.IPackageInstallObserver2; 152import android.content.pm.IPackageInstaller; 153import android.content.pm.IPackageManager; 154import android.content.pm.IPackageManagerNative; 155import android.content.pm.IPackageMoveObserver; 156import android.content.pm.IPackageStatsObserver; 157import android.content.pm.InstantAppInfo; 158import android.content.pm.InstantAppRequest; 159import android.content.pm.InstantAppResolveInfo; 160import android.content.pm.InstrumentationInfo; 161import android.content.pm.IntentFilterVerificationInfo; 162import android.content.pm.KeySet; 163import android.content.pm.PackageCleanItem; 164import android.content.pm.PackageInfo; 165import android.content.pm.PackageInfoLite; 166import android.content.pm.PackageInstaller; 167import android.content.pm.PackageList; 168import android.content.pm.PackageManager; 169import android.content.pm.PackageManagerInternal; 170import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 171import android.content.pm.PackageManagerInternal.PackageListObserver; 172import android.content.pm.PackageParser; 173import android.content.pm.PackageParser.ActivityIntentInfo; 174import android.content.pm.PackageParser.Package; 175import android.content.pm.PackageParser.PackageLite; 176import android.content.pm.PackageParser.PackageParserException; 177import android.content.pm.PackageParser.ParseFlags; 178import android.content.pm.PackageParser.ServiceIntentInfo; 179import android.content.pm.PackageParser.SigningDetails.SignatureSchemeVersion; 180import android.content.pm.PackageStats; 181import android.content.pm.PackageUserState; 182import android.content.pm.ParceledListSlice; 183import android.content.pm.PermissionGroupInfo; 184import android.content.pm.PermissionInfo; 185import android.content.pm.ProviderInfo; 186import android.content.pm.ResolveInfo; 187import android.content.pm.ServiceInfo; 188import android.content.pm.SharedLibraryInfo; 189import android.content.pm.Signature; 190import android.content.pm.UserInfo; 191import android.content.pm.VerifierDeviceIdentity; 192import android.content.pm.VerifierInfo; 193import android.content.pm.VersionedPackage; 194import android.content.pm.dex.DexMetadataHelper; 195import android.content.pm.dex.IArtManager; 196import android.content.res.Resources; 197import android.database.ContentObserver; 198import android.graphics.Bitmap; 199import android.hardware.display.DisplayManager; 200import android.net.Uri; 201import android.os.Binder; 202import android.os.Build; 203import android.os.Bundle; 204import android.os.Debug; 205import android.os.Environment; 206import android.os.Environment.UserEnvironment; 207import android.os.FileUtils; 208import android.os.Handler; 209import android.os.IBinder; 210import android.os.Looper; 211import android.os.Message; 212import android.os.Parcel; 213import android.os.ParcelFileDescriptor; 214import android.os.PatternMatcher; 215import android.os.Process; 216import android.os.RemoteCallbackList; 217import android.os.RemoteException; 218import android.os.ResultReceiver; 219import android.os.SELinux; 220import android.os.ServiceManager; 221import android.os.ShellCallback; 222import android.os.SystemClock; 223import android.os.SystemProperties; 224import android.os.Trace; 225import android.os.UserHandle; 226import android.os.UserManager; 227import android.os.UserManagerInternal; 228import android.os.storage.IStorageManager; 229import android.os.storage.StorageEventListener; 230import android.os.storage.StorageManager; 231import android.os.storage.StorageManagerInternal; 232import android.os.storage.VolumeInfo; 233import android.os.storage.VolumeRecord; 234import android.provider.Settings.Global; 235import android.provider.Settings.Secure; 236import android.security.KeyStore; 237import android.security.SystemKeyStore; 238import android.service.pm.PackageServiceDumpProto; 239import android.system.ErrnoException; 240import android.system.Os; 241import android.text.TextUtils; 242import android.text.format.DateUtils; 243import android.util.ArrayMap; 244import android.util.ArraySet; 245import android.util.Base64; 246import android.util.DisplayMetrics; 247import android.util.EventLog; 248import android.util.ExceptionUtils; 249import android.util.Log; 250import android.util.LogPrinter; 251import android.util.LongSparseArray; 252import android.util.LongSparseLongArray; 253import android.util.MathUtils; 254import android.util.PackageUtils; 255import android.util.Pair; 256import android.util.PrintStreamPrinter; 257import android.util.Slog; 258import android.util.SparseArray; 259import android.util.SparseBooleanArray; 260import android.util.SparseIntArray; 261import android.util.TimingsTraceLog; 262import android.util.Xml; 263import android.util.jar.StrictJarFile; 264import android.util.proto.ProtoOutputStream; 265import android.view.Display; 266 267import com.android.internal.R; 268import com.android.internal.annotations.GuardedBy; 269import com.android.internal.app.IMediaContainerService; 270import com.android.internal.app.ResolverActivity; 271import com.android.internal.content.NativeLibraryHelper; 272import com.android.internal.content.PackageHelper; 273import com.android.internal.logging.MetricsLogger; 274import com.android.internal.os.IParcelFileDescriptorFactory; 275import com.android.internal.os.SomeArgs; 276import com.android.internal.os.Zygote; 277import com.android.internal.telephony.CarrierAppUtils; 278import com.android.internal.util.ArrayUtils; 279import com.android.internal.util.ConcurrentUtils; 280import com.android.internal.util.DumpUtils; 281import com.android.internal.util.FastXmlSerializer; 282import com.android.internal.util.IndentingPrintWriter; 283import com.android.internal.util.Preconditions; 284import com.android.internal.util.XmlUtils; 285import com.android.server.AttributeCache; 286import com.android.server.DeviceIdleController; 287import com.android.server.EventLogTags; 288import com.android.server.FgThread; 289import com.android.server.IntentResolver; 290import com.android.server.LocalServices; 291import com.android.server.LockGuard; 292import com.android.server.ServiceThread; 293import com.android.server.SystemConfig; 294import com.android.server.SystemServerInitThreadPool; 295import com.android.server.Watchdog; 296import com.android.server.net.NetworkPolicyManagerInternal; 297import com.android.server.pm.Installer.InstallerException; 298import com.android.server.pm.Settings.DatabaseVersion; 299import com.android.server.pm.Settings.VersionInfo; 300import com.android.server.pm.dex.ArtManagerService; 301import com.android.server.pm.dex.DexLogger; 302import com.android.server.pm.dex.DexManager; 303import com.android.server.pm.dex.DexoptOptions; 304import com.android.server.pm.dex.PackageDexUsage; 305import com.android.server.pm.permission.BasePermission; 306import com.android.server.pm.permission.DefaultPermissionGrantPolicy; 307import com.android.server.pm.permission.PermissionManagerService; 308import com.android.server.pm.permission.PermissionManagerInternal; 309import com.android.server.pm.permission.DefaultPermissionGrantPolicy.DefaultPermissionGrantedCallback; 310import com.android.server.pm.permission.PermissionManagerInternal.PermissionCallback; 311import com.android.server.pm.permission.PermissionsState; 312import com.android.server.pm.permission.PermissionsState.PermissionState; 313import com.android.server.storage.DeviceStorageMonitorInternal; 314 315import dalvik.system.CloseGuard; 316import dalvik.system.VMRuntime; 317 318import libcore.io.IoUtils; 319 320import org.xmlpull.v1.XmlPullParser; 321import org.xmlpull.v1.XmlPullParserException; 322import org.xmlpull.v1.XmlSerializer; 323 324import java.io.BufferedOutputStream; 325import java.io.ByteArrayInputStream; 326import java.io.ByteArrayOutputStream; 327import java.io.File; 328import java.io.FileDescriptor; 329import java.io.FileInputStream; 330import java.io.FileOutputStream; 331import java.io.FilenameFilter; 332import java.io.IOException; 333import java.io.PrintWriter; 334import java.lang.annotation.Retention; 335import java.lang.annotation.RetentionPolicy; 336import java.nio.charset.StandardCharsets; 337import java.security.DigestInputStream; 338import java.security.MessageDigest; 339import java.security.NoSuchAlgorithmException; 340import java.security.PublicKey; 341import java.security.SecureRandom; 342import java.security.cert.CertificateException; 343import java.util.ArrayList; 344import java.util.Arrays; 345import java.util.Collection; 346import java.util.Collections; 347import java.util.Comparator; 348import java.util.HashMap; 349import java.util.HashSet; 350import java.util.Iterator; 351import java.util.LinkedHashSet; 352import java.util.List; 353import java.util.Map; 354import java.util.Objects; 355import java.util.Set; 356import java.util.concurrent.CountDownLatch; 357import java.util.concurrent.Future; 358import java.util.concurrent.TimeUnit; 359import java.util.concurrent.atomic.AtomicBoolean; 360import java.util.concurrent.atomic.AtomicInteger; 361 362/** 363 * Keep track of all those APKs everywhere. 364 * <p> 365 * Internally there are two important locks: 366 * <ul> 367 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 368 * and other related state. It is a fine-grained lock that should only be held 369 * momentarily, as it's one of the most contended locks in the system. 370 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 371 * operations typically involve heavy lifting of application data on disk. Since 372 * {@code installd} is single-threaded, and it's operations can often be slow, 373 * this lock should never be acquired while already holding {@link #mPackages}. 374 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 375 * holding {@link #mInstallLock}. 376 * </ul> 377 * Many internal methods rely on the caller to hold the appropriate locks, and 378 * this contract is expressed through method name suffixes: 379 * <ul> 380 * <li>fooLI(): the caller must hold {@link #mInstallLock} 381 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 382 * being modified must be frozen 383 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 384 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 385 * </ul> 386 * <p> 387 * Because this class is very central to the platform's security; please run all 388 * CTS and unit tests whenever making modifications: 389 * 390 * <pre> 391 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 392 * $ cts-tradefed run commandAndExit cts -m CtsAppSecurityHostTestCases 393 * </pre> 394 */ 395public class PackageManagerService extends IPackageManager.Stub 396 implements PackageSender { 397 static final String TAG = "PackageManager"; 398 public static final boolean DEBUG_SETTINGS = false; 399 static final boolean DEBUG_PREFERRED = false; 400 static final boolean DEBUG_UPGRADE = false; 401 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 402 private static final boolean DEBUG_BACKUP = false; 403 public static final boolean DEBUG_INSTALL = false; 404 public static final boolean DEBUG_REMOVE = false; 405 private static final boolean DEBUG_BROADCASTS = false; 406 private static final boolean DEBUG_SHOW_INFO = false; 407 private static final boolean DEBUG_PACKAGE_INFO = false; 408 private static final boolean DEBUG_INTENT_MATCHING = false; 409 public static final boolean DEBUG_PACKAGE_SCANNING = false; 410 private static final boolean DEBUG_VERIFY = false; 411 private static final boolean DEBUG_FILTERS = false; 412 public static final boolean DEBUG_PERMISSIONS = false; 413 private static final boolean DEBUG_SHARED_LIBRARIES = false; 414 public static final boolean DEBUG_COMPRESSION = Build.IS_DEBUGGABLE; 415 416 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 417 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 418 // user, but by default initialize to this. 419 public static final boolean DEBUG_DEXOPT = false; 420 421 private static final boolean DEBUG_ABI_SELECTION = false; 422 private static final boolean DEBUG_EPHEMERAL = Build.IS_DEBUGGABLE; 423 private static final boolean DEBUG_TRIAGED_MISSING = false; 424 private static final boolean DEBUG_APP_DATA = false; 425 426 /** REMOVE. According to Svet, this was only used to reset permissions during development. */ 427 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 428 429 private static final boolean HIDE_EPHEMERAL_APIS = false; 430 431 private static final boolean ENABLE_FREE_CACHE_V2 = 432 SystemProperties.getBoolean("fw.free_cache_v2", true); 433 434 private static final int RADIO_UID = Process.PHONE_UID; 435 private static final int LOG_UID = Process.LOG_UID; 436 private static final int NFC_UID = Process.NFC_UID; 437 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 438 private static final int SHELL_UID = Process.SHELL_UID; 439 440 // Suffix used during package installation when copying/moving 441 // package apks to install directory. 442 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 443 444 static final int SCAN_NO_DEX = 1<<0; 445 static final int SCAN_UPDATE_SIGNATURE = 1<<1; 446 static final int SCAN_NEW_INSTALL = 1<<2; 447 static final int SCAN_UPDATE_TIME = 1<<3; 448 static final int SCAN_BOOTING = 1<<4; 449 static final int SCAN_TRUSTED_OVERLAY = 1<<5; 450 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<6; 451 static final int SCAN_REQUIRE_KNOWN = 1<<7; 452 static final int SCAN_MOVE = 1<<8; 453 static final int SCAN_INITIAL = 1<<9; 454 static final int SCAN_CHECK_ONLY = 1<<10; 455 static final int SCAN_DONT_KILL_APP = 1<<11; 456 static final int SCAN_IGNORE_FROZEN = 1<<12; 457 static final int SCAN_FIRST_BOOT_OR_UPGRADE = 1<<13; 458 static final int SCAN_AS_INSTANT_APP = 1<<14; 459 static final int SCAN_AS_FULL_APP = 1<<15; 460 static final int SCAN_AS_VIRTUAL_PRELOAD = 1<<16; 461 static final int SCAN_AS_SYSTEM = 1<<17; 462 static final int SCAN_AS_PRIVILEGED = 1<<18; 463 static final int SCAN_AS_OEM = 1<<19; 464 static final int SCAN_AS_VENDOR = 1<<20; 465 466 @IntDef(flag = true, prefix = { "SCAN_" }, value = { 467 SCAN_NO_DEX, 468 SCAN_UPDATE_SIGNATURE, 469 SCAN_NEW_INSTALL, 470 SCAN_UPDATE_TIME, 471 SCAN_BOOTING, 472 SCAN_TRUSTED_OVERLAY, 473 SCAN_DELETE_DATA_ON_FAILURES, 474 SCAN_REQUIRE_KNOWN, 475 SCAN_MOVE, 476 SCAN_INITIAL, 477 SCAN_CHECK_ONLY, 478 SCAN_DONT_KILL_APP, 479 SCAN_IGNORE_FROZEN, 480 SCAN_FIRST_BOOT_OR_UPGRADE, 481 SCAN_AS_INSTANT_APP, 482 SCAN_AS_FULL_APP, 483 SCAN_AS_VIRTUAL_PRELOAD, 484 }) 485 @Retention(RetentionPolicy.SOURCE) 486 public @interface ScanFlags {} 487 488 private static final String STATIC_SHARED_LIB_DELIMITER = "_"; 489 /** Extension of the compressed packages */ 490 public final static String COMPRESSED_EXTENSION = ".gz"; 491 /** Suffix of stub packages on the system partition */ 492 public final static String STUB_SUFFIX = "-Stub"; 493 494 private static final int[] EMPTY_INT_ARRAY = new int[0]; 495 496 private static final int TYPE_UNKNOWN = 0; 497 private static final int TYPE_ACTIVITY = 1; 498 private static final int TYPE_RECEIVER = 2; 499 private static final int TYPE_SERVICE = 3; 500 private static final int TYPE_PROVIDER = 4; 501 @IntDef(prefix = { "TYPE_" }, value = { 502 TYPE_UNKNOWN, 503 TYPE_ACTIVITY, 504 TYPE_RECEIVER, 505 TYPE_SERVICE, 506 TYPE_PROVIDER, 507 }) 508 @Retention(RetentionPolicy.SOURCE) 509 public @interface ComponentType {} 510 511 /** 512 * Timeout (in milliseconds) after which the watchdog should declare that 513 * our handler thread is wedged. The usual default for such things is one 514 * minute but we sometimes do very lengthy I/O operations on this thread, 515 * such as installing multi-gigabyte applications, so ours needs to be longer. 516 */ 517 static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 518 519 /** 520 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 521 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 522 * settings entry if available, otherwise we use the hardcoded default. If it's been 523 * more than this long since the last fstrim, we force one during the boot sequence. 524 * 525 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 526 * one gets run at the next available charging+idle time. This final mandatory 527 * no-fstrim check kicks in only of the other scheduling criteria is never met. 528 */ 529 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 530 531 /** 532 * Whether verification is enabled by default. 533 */ 534 private static final boolean DEFAULT_VERIFY_ENABLE = true; 535 536 /** 537 * The default maximum time to wait for the verification agent to return in 538 * milliseconds. 539 */ 540 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 541 542 /** 543 * The default response for package verification timeout. 544 * 545 * This can be either PackageManager.VERIFICATION_ALLOW or 546 * PackageManager.VERIFICATION_REJECT. 547 */ 548 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 549 550 public static final String PLATFORM_PACKAGE_NAME = "android"; 551 552 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 553 554 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 555 DEFAULT_CONTAINER_PACKAGE, 556 "com.android.defcontainer.DefaultContainerService"); 557 558 private static final String KILL_APP_REASON_GIDS_CHANGED = 559 "permission grant or revoke changed gids"; 560 561 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 562 "permissions revoked"; 563 564 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 565 566 private static final String PACKAGE_SCHEME = "package"; 567 568 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 569 570 private static final String PROPERTY_NAME_PM_DEXOPT_PRIV_APPS_OOB = "pm.dexopt.priv-apps-oob"; 571 572 /** Canonical intent used to identify what counts as a "web browser" app */ 573 private static final Intent sBrowserIntent; 574 static { 575 sBrowserIntent = new Intent(); 576 sBrowserIntent.setAction(Intent.ACTION_VIEW); 577 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 578 sBrowserIntent.setData(Uri.parse("http:")); 579 } 580 581 /** 582 * The set of all protected actions [i.e. those actions for which a high priority 583 * intent filter is disallowed]. 584 */ 585 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 586 static { 587 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 588 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 589 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 590 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 591 } 592 593 // Compilation reasons. 594 public static final int REASON_FIRST_BOOT = 0; 595 public static final int REASON_BOOT = 1; 596 public static final int REASON_INSTALL = 2; 597 public static final int REASON_BACKGROUND_DEXOPT = 3; 598 public static final int REASON_AB_OTA = 4; 599 public static final int REASON_INACTIVE_PACKAGE_DOWNGRADE = 5; 600 public static final int REASON_SHARED = 6; 601 602 public static final int REASON_LAST = REASON_SHARED; 603 604 /** 605 * Version number for the package parser cache. Increment this whenever the format or 606 * extent of cached data changes. See {@code PackageParser#setCacheDir}. 607 */ 608 private static final String PACKAGE_PARSER_CACHE_VERSION = "1"; 609 610 /** 611 * Whether the package parser cache is enabled. 612 */ 613 private static final boolean DEFAULT_PACKAGE_PARSER_CACHE_ENABLED = true; 614 615 /** 616 * Permissions required in order to receive instant application lifecycle broadcasts. 617 */ 618 private static final String[] INSTANT_APP_BROADCAST_PERMISSION = 619 new String[] { android.Manifest.permission.ACCESS_INSTANT_APPS }; 620 621 final ServiceThread mHandlerThread; 622 623 final PackageHandler mHandler; 624 625 private final ProcessLoggingHandler mProcessLoggingHandler; 626 627 /** 628 * Messages for {@link #mHandler} that need to wait for system ready before 629 * being dispatched. 630 */ 631 private ArrayList<Message> mPostSystemReadyMessages; 632 633 final int mSdkVersion = Build.VERSION.SDK_INT; 634 635 final Context mContext; 636 final boolean mFactoryTest; 637 final boolean mOnlyCore; 638 final DisplayMetrics mMetrics; 639 final int mDefParseFlags; 640 final String[] mSeparateProcesses; 641 final boolean mIsUpgrade; 642 final boolean mIsPreNUpgrade; 643 final boolean mIsPreNMR1Upgrade; 644 645 // Have we told the Activity Manager to whitelist the default container service by uid yet? 646 @GuardedBy("mPackages") 647 boolean mDefaultContainerWhitelisted = false; 648 649 @GuardedBy("mPackages") 650 private boolean mDexOptDialogShown; 651 652 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 653 // LOCK HELD. Can be called with mInstallLock held. 654 @GuardedBy("mInstallLock") 655 final Installer mInstaller; 656 657 /** Directory where installed applications are stored */ 658 private static final File sAppInstallDir = 659 new File(Environment.getDataDirectory(), "app"); 660 /** Directory where installed application's 32-bit native libraries are copied. */ 661 private static final File sAppLib32InstallDir = 662 new File(Environment.getDataDirectory(), "app-lib"); 663 /** Directory where code and non-resource assets of forward-locked applications are stored */ 664 private static final File sDrmAppPrivateInstallDir = 665 new File(Environment.getDataDirectory(), "app-private"); 666 667 // ---------------------------------------------------------------- 668 669 // Lock for state used when installing and doing other long running 670 // operations. Methods that must be called with this lock held have 671 // the suffix "LI". 672 final Object mInstallLock = new Object(); 673 674 // ---------------------------------------------------------------- 675 676 // Keys are String (package name), values are Package. This also serves 677 // as the lock for the global state. Methods that must be called with 678 // this lock held have the prefix "LP". 679 @GuardedBy("mPackages") 680 final ArrayMap<String, PackageParser.Package> mPackages = 681 new ArrayMap<String, PackageParser.Package>(); 682 683 final ArrayMap<String, Set<String>> mKnownCodebase = 684 new ArrayMap<String, Set<String>>(); 685 686 // Keys are isolated uids and values are the uid of the application 687 // that created the isolated proccess. 688 @GuardedBy("mPackages") 689 final SparseIntArray mIsolatedOwners = new SparseIntArray(); 690 691 /** 692 * Tracks new system packages [received in an OTA] that we expect to 693 * find updated user-installed versions. Keys are package name, values 694 * are package location. 695 */ 696 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 697 /** 698 * Tracks high priority intent filters for protected actions. During boot, certain 699 * filter actions are protected and should never be allowed to have a high priority 700 * intent filter for them. However, there is one, and only one exception -- the 701 * setup wizard. It must be able to define a high priority intent filter for these 702 * actions to ensure there are no escapes from the wizard. We need to delay processing 703 * of these during boot as we need to look at all of the system packages in order 704 * to know which component is the setup wizard. 705 */ 706 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 707 /** 708 * Whether or not processing protected filters should be deferred. 709 */ 710 private boolean mDeferProtectedFilters = true; 711 712 /** 713 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 714 */ 715 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 716 /** 717 * Whether or not system app permissions should be promoted from install to runtime. 718 */ 719 boolean mPromoteSystemApps; 720 721 @GuardedBy("mPackages") 722 final Settings mSettings; 723 724 /** 725 * Set of package names that are currently "frozen", which means active 726 * surgery is being done on the code/data for that package. The platform 727 * will refuse to launch frozen packages to avoid race conditions. 728 * 729 * @see PackageFreezer 730 */ 731 @GuardedBy("mPackages") 732 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 733 734 final ProtectedPackages mProtectedPackages; 735 736 @GuardedBy("mLoadedVolumes") 737 final ArraySet<String> mLoadedVolumes = new ArraySet<>(); 738 739 boolean mFirstBoot; 740 741 PackageManagerInternal.ExternalSourcesPolicy mExternalSourcesPolicy; 742 743 @GuardedBy("mAvailableFeatures") 744 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 745 746 private final InstantAppRegistry mInstantAppRegistry; 747 748 @GuardedBy("mPackages") 749 int mChangedPackagesSequenceNumber; 750 /** 751 * List of changed [installed, removed or updated] packages. 752 * mapping from user id -> sequence number -> package name 753 */ 754 @GuardedBy("mPackages") 755 final SparseArray<SparseArray<String>> mChangedPackages = new SparseArray<>(); 756 /** 757 * The sequence number of the last change to a package. 758 * mapping from user id -> package name -> sequence number 759 */ 760 @GuardedBy("mPackages") 761 final SparseArray<Map<String, Integer>> mChangedPackagesSequenceNumbers = new SparseArray<>(); 762 763 @GuardedBy("mPackages") 764 final private ArraySet<PackageListObserver> mPackageListObservers = new ArraySet<>(); 765 766 class PackageParserCallback implements PackageParser.Callback { 767 @Override public final boolean hasFeature(String feature) { 768 return PackageManagerService.this.hasSystemFeature(feature, 0); 769 } 770 771 final List<PackageParser.Package> getStaticOverlayPackagesLocked( 772 Collection<PackageParser.Package> allPackages, String targetPackageName) { 773 List<PackageParser.Package> overlayPackages = null; 774 for (PackageParser.Package p : allPackages) { 775 if (targetPackageName.equals(p.mOverlayTarget) && p.mIsStaticOverlay) { 776 if (overlayPackages == null) { 777 overlayPackages = new ArrayList<PackageParser.Package>(); 778 } 779 overlayPackages.add(p); 780 } 781 } 782 if (overlayPackages != null) { 783 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 784 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 785 return p1.mOverlayPriority - p2.mOverlayPriority; 786 } 787 }; 788 Collections.sort(overlayPackages, cmp); 789 } 790 return overlayPackages; 791 } 792 793 final String[] getStaticOverlayPathsLocked(Collection<PackageParser.Package> allPackages, 794 String targetPackageName, String targetPath) { 795 if ("android".equals(targetPackageName)) { 796 // Static RROs targeting to "android", ie framework-res.apk, are already applied by 797 // native AssetManager. 798 return null; 799 } 800 List<PackageParser.Package> overlayPackages = 801 getStaticOverlayPackagesLocked(allPackages, targetPackageName); 802 if (overlayPackages == null || overlayPackages.isEmpty()) { 803 return null; 804 } 805 List<String> overlayPathList = null; 806 for (PackageParser.Package overlayPackage : overlayPackages) { 807 if (targetPath == null) { 808 if (overlayPathList == null) { 809 overlayPathList = new ArrayList<String>(); 810 } 811 overlayPathList.add(overlayPackage.baseCodePath); 812 continue; 813 } 814 815 try { 816 // Creates idmaps for system to parse correctly the Android manifest of the 817 // target package. 818 // 819 // OverlayManagerService will update each of them with a correct gid from its 820 // target package app id. 821 mInstaller.idmap(targetPath, overlayPackage.baseCodePath, 822 UserHandle.getSharedAppGid( 823 UserHandle.getUserGid(UserHandle.USER_SYSTEM))); 824 if (overlayPathList == null) { 825 overlayPathList = new ArrayList<String>(); 826 } 827 overlayPathList.add(overlayPackage.baseCodePath); 828 } catch (InstallerException e) { 829 Slog.e(TAG, "Failed to generate idmap for " + targetPath + " and " + 830 overlayPackage.baseCodePath); 831 } 832 } 833 return overlayPathList == null ? null : overlayPathList.toArray(new String[0]); 834 } 835 836 String[] getStaticOverlayPaths(String targetPackageName, String targetPath) { 837 synchronized (mPackages) { 838 return getStaticOverlayPathsLocked( 839 mPackages.values(), targetPackageName, targetPath); 840 } 841 } 842 843 @Override public final String[] getOverlayApks(String targetPackageName) { 844 return getStaticOverlayPaths(targetPackageName, null); 845 } 846 847 @Override public final String[] getOverlayPaths(String targetPackageName, 848 String targetPath) { 849 return getStaticOverlayPaths(targetPackageName, targetPath); 850 } 851 } 852 853 class ParallelPackageParserCallback extends PackageParserCallback { 854 List<PackageParser.Package> mOverlayPackages = null; 855 856 void findStaticOverlayPackages() { 857 synchronized (mPackages) { 858 for (PackageParser.Package p : mPackages.values()) { 859 if (p.mIsStaticOverlay) { 860 if (mOverlayPackages == null) { 861 mOverlayPackages = new ArrayList<PackageParser.Package>(); 862 } 863 mOverlayPackages.add(p); 864 } 865 } 866 } 867 } 868 869 @Override 870 synchronized String[] getStaticOverlayPaths(String targetPackageName, String targetPath) { 871 // We can trust mOverlayPackages without holding mPackages because package uninstall 872 // can't happen while running parallel parsing. 873 // Moreover holding mPackages on each parsing thread causes dead-lock. 874 return mOverlayPackages == null ? null : 875 getStaticOverlayPathsLocked(mOverlayPackages, targetPackageName, targetPath); 876 } 877 } 878 879 final PackageParser.Callback mPackageParserCallback = new PackageParserCallback(); 880 final ParallelPackageParserCallback mParallelPackageParserCallback = 881 new ParallelPackageParserCallback(); 882 883 public static final class SharedLibraryEntry { 884 public final @Nullable String path; 885 public final @Nullable String apk; 886 public final @NonNull SharedLibraryInfo info; 887 888 SharedLibraryEntry(String _path, String _apk, String name, long version, int type, 889 String declaringPackageName, long declaringPackageVersionCode) { 890 path = _path; 891 apk = _apk; 892 info = new SharedLibraryInfo(name, version, type, new VersionedPackage( 893 declaringPackageName, declaringPackageVersionCode), null); 894 } 895 } 896 897 // Currently known shared libraries. 898 final ArrayMap<String, LongSparseArray<SharedLibraryEntry>> mSharedLibraries = new ArrayMap<>(); 899 final ArrayMap<String, LongSparseArray<SharedLibraryEntry>> mStaticLibsByDeclaringPackage = 900 new ArrayMap<>(); 901 902 // All available activities, for your resolving pleasure. 903 final ActivityIntentResolver mActivities = 904 new ActivityIntentResolver(); 905 906 // All available receivers, for your resolving pleasure. 907 final ActivityIntentResolver mReceivers = 908 new ActivityIntentResolver(); 909 910 // All available services, for your resolving pleasure. 911 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 912 913 // All available providers, for your resolving pleasure. 914 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 915 916 // Mapping from provider base names (first directory in content URI codePath) 917 // to the provider information. 918 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 919 new ArrayMap<String, PackageParser.Provider>(); 920 921 // Mapping from instrumentation class names to info about them. 922 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 923 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 924 925 // Packages whose data we have transfered into another package, thus 926 // should no longer exist. 927 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 928 929 // Broadcast actions that are only available to the system. 930 @GuardedBy("mProtectedBroadcasts") 931 final ArraySet<String> mProtectedBroadcasts = new ArraySet<>(); 932 933 /** List of packages waiting for verification. */ 934 final SparseArray<PackageVerificationState> mPendingVerification 935 = new SparseArray<PackageVerificationState>(); 936 937 final PackageInstallerService mInstallerService; 938 939 final ArtManagerService mArtManagerService; 940 941 private final PackageDexOptimizer mPackageDexOptimizer; 942 // DexManager handles the usage of dex files (e.g. secondary files, whether or not a package 943 // is used by other apps). 944 private final DexManager mDexManager; 945 946 private AtomicInteger mNextMoveId = new AtomicInteger(); 947 private final MoveCallbacks mMoveCallbacks; 948 949 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 950 951 // Cache of users who need badging. 952 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 953 954 /** Token for keys in mPendingVerification. */ 955 private int mPendingVerificationToken = 0; 956 957 volatile boolean mSystemReady; 958 volatile boolean mSafeMode; 959 volatile boolean mHasSystemUidErrors; 960 private volatile boolean mEphemeralAppsDisabled; 961 962 ApplicationInfo mAndroidApplication; 963 final ActivityInfo mResolveActivity = new ActivityInfo(); 964 final ResolveInfo mResolveInfo = new ResolveInfo(); 965 ComponentName mResolveComponentName; 966 PackageParser.Package mPlatformPackage; 967 ComponentName mCustomResolverComponentName; 968 969 boolean mResolverReplaced = false; 970 971 private final @Nullable ComponentName mIntentFilterVerifierComponent; 972 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 973 974 private int mIntentFilterVerificationToken = 0; 975 976 /** The service connection to the ephemeral resolver */ 977 final EphemeralResolverConnection mInstantAppResolverConnection; 978 /** Component used to show resolver settings for Instant Apps */ 979 final ComponentName mInstantAppResolverSettingsComponent; 980 981 /** Activity used to install instant applications */ 982 ActivityInfo mInstantAppInstallerActivity; 983 final ResolveInfo mInstantAppInstallerInfo = new ResolveInfo(); 984 985 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 986 = new SparseArray<IntentFilterVerificationState>(); 987 988 // TODO remove this and go through mPermissonManager directly 989 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy; 990 private final PermissionManagerInternal mPermissionManager; 991 992 // List of packages names to keep cached, even if they are uninstalled for all users 993 private List<String> mKeepUninstalledPackages; 994 995 private UserManagerInternal mUserManagerInternal; 996 997 private DeviceIdleController.LocalService mDeviceIdleController; 998 999 private File mCacheDir; 1000 1001 private Future<?> mPrepareAppDataFuture; 1002 1003 private static class IFVerificationParams { 1004 PackageParser.Package pkg; 1005 boolean replacing; 1006 int userId; 1007 int verifierUid; 1008 1009 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 1010 int _userId, int _verifierUid) { 1011 pkg = _pkg; 1012 replacing = _replacing; 1013 userId = _userId; 1014 replacing = _replacing; 1015 verifierUid = _verifierUid; 1016 } 1017 } 1018 1019 private interface IntentFilterVerifier<T extends IntentFilter> { 1020 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 1021 T filter, String packageName); 1022 void startVerifications(int userId); 1023 void receiveVerificationResponse(int verificationId); 1024 } 1025 1026 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 1027 private Context mContext; 1028 private ComponentName mIntentFilterVerifierComponent; 1029 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 1030 1031 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 1032 mContext = context; 1033 mIntentFilterVerifierComponent = verifierComponent; 1034 } 1035 1036 private String getDefaultScheme() { 1037 return IntentFilter.SCHEME_HTTPS; 1038 } 1039 1040 @Override 1041 public void startVerifications(int userId) { 1042 // Launch verifications requests 1043 int count = mCurrentIntentFilterVerifications.size(); 1044 for (int n=0; n<count; n++) { 1045 int verificationId = mCurrentIntentFilterVerifications.get(n); 1046 final IntentFilterVerificationState ivs = 1047 mIntentFilterVerificationStates.get(verificationId); 1048 1049 String packageName = ivs.getPackageName(); 1050 1051 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 1052 final int filterCount = filters.size(); 1053 ArraySet<String> domainsSet = new ArraySet<>(); 1054 for (int m=0; m<filterCount; m++) { 1055 PackageParser.ActivityIntentInfo filter = filters.get(m); 1056 domainsSet.addAll(filter.getHostsList()); 1057 } 1058 synchronized (mPackages) { 1059 if (mSettings.createIntentFilterVerificationIfNeededLPw( 1060 packageName, domainsSet) != null) { 1061 scheduleWriteSettingsLocked(); 1062 } 1063 } 1064 sendVerificationRequest(verificationId, ivs); 1065 } 1066 mCurrentIntentFilterVerifications.clear(); 1067 } 1068 1069 private void sendVerificationRequest(int verificationId, IntentFilterVerificationState ivs) { 1070 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 1071 verificationIntent.putExtra( 1072 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 1073 verificationId); 1074 verificationIntent.putExtra( 1075 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 1076 getDefaultScheme()); 1077 verificationIntent.putExtra( 1078 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 1079 ivs.getHostsString()); 1080 verificationIntent.putExtra( 1081 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 1082 ivs.getPackageName()); 1083 verificationIntent.setComponent(mIntentFilterVerifierComponent); 1084 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 1085 1086 DeviceIdleController.LocalService idleController = getDeviceIdleController(); 1087 idleController.addPowerSaveTempWhitelistApp(Process.myUid(), 1088 mIntentFilterVerifierComponent.getPackageName(), getVerificationTimeout(), 1089 UserHandle.USER_SYSTEM, true, "intent filter verifier"); 1090 1091 mContext.sendBroadcastAsUser(verificationIntent, UserHandle.SYSTEM); 1092 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1093 "Sending IntentFilter verification broadcast"); 1094 } 1095 1096 public void receiveVerificationResponse(int verificationId) { 1097 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 1098 1099 final boolean verified = ivs.isVerified(); 1100 1101 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 1102 final int count = filters.size(); 1103 if (DEBUG_DOMAIN_VERIFICATION) { 1104 Slog.i(TAG, "Received verification response " + verificationId 1105 + " for " + count + " filters, verified=" + verified); 1106 } 1107 for (int n=0; n<count; n++) { 1108 PackageParser.ActivityIntentInfo filter = filters.get(n); 1109 filter.setVerified(verified); 1110 1111 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 1112 + " verified with result:" + verified + " and hosts:" 1113 + ivs.getHostsString()); 1114 } 1115 1116 mIntentFilterVerificationStates.remove(verificationId); 1117 1118 final String packageName = ivs.getPackageName(); 1119 IntentFilterVerificationInfo ivi = null; 1120 1121 synchronized (mPackages) { 1122 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 1123 } 1124 if (ivi == null) { 1125 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 1126 + verificationId + " packageName:" + packageName); 1127 return; 1128 } 1129 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1130 "Updating IntentFilterVerificationInfo for package " + packageName 1131 +" verificationId:" + verificationId); 1132 1133 synchronized (mPackages) { 1134 if (verified) { 1135 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 1136 } else { 1137 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 1138 } 1139 scheduleWriteSettingsLocked(); 1140 1141 final int userId = ivs.getUserId(); 1142 if (userId != UserHandle.USER_ALL) { 1143 final int userStatus = 1144 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 1145 1146 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 1147 boolean needUpdate = false; 1148 1149 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 1150 // already been set by the User thru the Disambiguation dialog 1151 switch (userStatus) { 1152 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 1153 if (verified) { 1154 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 1155 } else { 1156 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 1157 } 1158 needUpdate = true; 1159 break; 1160 1161 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 1162 if (verified) { 1163 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 1164 needUpdate = true; 1165 } 1166 break; 1167 1168 default: 1169 // Nothing to do 1170 } 1171 1172 if (needUpdate) { 1173 mSettings.updateIntentFilterVerificationStatusLPw( 1174 packageName, updatedStatus, userId); 1175 scheduleWritePackageRestrictionsLocked(userId); 1176 } 1177 } 1178 } 1179 } 1180 1181 @Override 1182 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 1183 ActivityIntentInfo filter, String packageName) { 1184 if (!hasValidDomains(filter)) { 1185 return false; 1186 } 1187 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 1188 if (ivs == null) { 1189 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 1190 packageName); 1191 } 1192 if (DEBUG_DOMAIN_VERIFICATION) { 1193 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 1194 } 1195 ivs.addFilter(filter); 1196 return true; 1197 } 1198 1199 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 1200 int userId, int verificationId, String packageName) { 1201 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 1202 verifierUid, userId, packageName); 1203 ivs.setPendingState(); 1204 synchronized (mPackages) { 1205 mIntentFilterVerificationStates.append(verificationId, ivs); 1206 mCurrentIntentFilterVerifications.add(verificationId); 1207 } 1208 return ivs; 1209 } 1210 } 1211 1212 private static boolean hasValidDomains(ActivityIntentInfo filter) { 1213 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 1214 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 1215 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 1216 } 1217 1218 // Set of pending broadcasts for aggregating enable/disable of components. 1219 static class PendingPackageBroadcasts { 1220 // for each user id, a map of <package name -> components within that package> 1221 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 1222 1223 public PendingPackageBroadcasts() { 1224 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 1225 } 1226 1227 public ArrayList<String> get(int userId, String packageName) { 1228 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1229 return packages.get(packageName); 1230 } 1231 1232 public void put(int userId, String packageName, ArrayList<String> components) { 1233 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1234 packages.put(packageName, components); 1235 } 1236 1237 public void remove(int userId, String packageName) { 1238 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 1239 if (packages != null) { 1240 packages.remove(packageName); 1241 } 1242 } 1243 1244 public void remove(int userId) { 1245 mUidMap.remove(userId); 1246 } 1247 1248 public int userIdCount() { 1249 return mUidMap.size(); 1250 } 1251 1252 public int userIdAt(int n) { 1253 return mUidMap.keyAt(n); 1254 } 1255 1256 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1257 return mUidMap.get(userId); 1258 } 1259 1260 public int size() { 1261 // total number of pending broadcast entries across all userIds 1262 int num = 0; 1263 for (int i = 0; i< mUidMap.size(); i++) { 1264 num += mUidMap.valueAt(i).size(); 1265 } 1266 return num; 1267 } 1268 1269 public void clear() { 1270 mUidMap.clear(); 1271 } 1272 1273 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1274 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1275 if (map == null) { 1276 map = new ArrayMap<String, ArrayList<String>>(); 1277 mUidMap.put(userId, map); 1278 } 1279 return map; 1280 } 1281 } 1282 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1283 1284 // Service Connection to remote media container service to copy 1285 // package uri's from external media onto secure containers 1286 // or internal storage. 1287 private IMediaContainerService mContainerService = null; 1288 1289 static final int SEND_PENDING_BROADCAST = 1; 1290 static final int MCS_BOUND = 3; 1291 static final int END_COPY = 4; 1292 static final int INIT_COPY = 5; 1293 static final int MCS_UNBIND = 6; 1294 static final int START_CLEANING_PACKAGE = 7; 1295 static final int FIND_INSTALL_LOC = 8; 1296 static final int POST_INSTALL = 9; 1297 static final int MCS_RECONNECT = 10; 1298 static final int MCS_GIVE_UP = 11; 1299 static final int WRITE_SETTINGS = 13; 1300 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1301 static final int PACKAGE_VERIFIED = 15; 1302 static final int CHECK_PENDING_VERIFICATION = 16; 1303 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1304 static final int INTENT_FILTER_VERIFIED = 18; 1305 static final int WRITE_PACKAGE_LIST = 19; 1306 static final int INSTANT_APP_RESOLUTION_PHASE_TWO = 20; 1307 1308 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1309 1310 // Delay time in millisecs 1311 static final int BROADCAST_DELAY = 10 * 1000; 1312 1313 private static final long DEFAULT_UNUSED_STATIC_SHARED_LIB_MIN_CACHE_PERIOD = 1314 2 * 60 * 60 * 1000L; /* two hours */ 1315 1316 static UserManagerService sUserManager; 1317 1318 // Stores a list of users whose package restrictions file needs to be updated 1319 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1320 1321 final private DefaultContainerConnection mDefContainerConn = 1322 new DefaultContainerConnection(); 1323 class DefaultContainerConnection implements ServiceConnection { 1324 public void onServiceConnected(ComponentName name, IBinder service) { 1325 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1326 final IMediaContainerService imcs = IMediaContainerService.Stub 1327 .asInterface(Binder.allowBlocking(service)); 1328 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1329 } 1330 1331 public void onServiceDisconnected(ComponentName name) { 1332 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1333 } 1334 } 1335 1336 // Recordkeeping of restore-after-install operations that are currently in flight 1337 // between the Package Manager and the Backup Manager 1338 static class PostInstallData { 1339 public InstallArgs args; 1340 public PackageInstalledInfo res; 1341 1342 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1343 args = _a; 1344 res = _r; 1345 } 1346 } 1347 1348 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1349 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1350 1351 // XML tags for backup/restore of various bits of state 1352 private static final String TAG_PREFERRED_BACKUP = "pa"; 1353 private static final String TAG_DEFAULT_APPS = "da"; 1354 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1355 1356 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1357 private static final String TAG_ALL_GRANTS = "rt-grants"; 1358 private static final String TAG_GRANT = "grant"; 1359 private static final String ATTR_PACKAGE_NAME = "pkg"; 1360 1361 private static final String TAG_PERMISSION = "perm"; 1362 private static final String ATTR_PERMISSION_NAME = "name"; 1363 private static final String ATTR_IS_GRANTED = "g"; 1364 private static final String ATTR_USER_SET = "set"; 1365 private static final String ATTR_USER_FIXED = "fixed"; 1366 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1367 1368 // System/policy permission grants are not backed up 1369 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1370 FLAG_PERMISSION_POLICY_FIXED 1371 | FLAG_PERMISSION_SYSTEM_FIXED 1372 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1373 1374 // And we back up these user-adjusted states 1375 private static final int USER_RUNTIME_GRANT_MASK = 1376 FLAG_PERMISSION_USER_SET 1377 | FLAG_PERMISSION_USER_FIXED 1378 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1379 1380 final @Nullable String mRequiredVerifierPackage; 1381 final @NonNull String mRequiredInstallerPackage; 1382 final @NonNull String mRequiredUninstallerPackage; 1383 final @Nullable String mSetupWizardPackage; 1384 final @Nullable String mStorageManagerPackage; 1385 final @NonNull String mServicesSystemSharedLibraryPackageName; 1386 final @NonNull String mSharedSystemSharedLibraryPackageName; 1387 1388 private final PackageUsage mPackageUsage = new PackageUsage(); 1389 private final CompilerStats mCompilerStats = new CompilerStats(); 1390 1391 class PackageHandler extends Handler { 1392 private boolean mBound = false; 1393 final ArrayList<HandlerParams> mPendingInstalls = 1394 new ArrayList<HandlerParams>(); 1395 1396 private boolean connectToService() { 1397 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1398 " DefaultContainerService"); 1399 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1400 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1401 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1402 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1403 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1404 mBound = true; 1405 return true; 1406 } 1407 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1408 return false; 1409 } 1410 1411 private void disconnectService() { 1412 mContainerService = null; 1413 mBound = false; 1414 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1415 mContext.unbindService(mDefContainerConn); 1416 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1417 } 1418 1419 PackageHandler(Looper looper) { 1420 super(looper); 1421 } 1422 1423 public void handleMessage(Message msg) { 1424 try { 1425 doHandleMessage(msg); 1426 } finally { 1427 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1428 } 1429 } 1430 1431 void doHandleMessage(Message msg) { 1432 switch (msg.what) { 1433 case INIT_COPY: { 1434 HandlerParams params = (HandlerParams) msg.obj; 1435 int idx = mPendingInstalls.size(); 1436 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1437 // If a bind was already initiated we dont really 1438 // need to do anything. The pending install 1439 // will be processed later on. 1440 if (!mBound) { 1441 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1442 System.identityHashCode(mHandler)); 1443 // If this is the only one pending we might 1444 // have to bind to the service again. 1445 if (!connectToService()) { 1446 Slog.e(TAG, "Failed to bind to media container service"); 1447 params.serviceError(); 1448 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1449 System.identityHashCode(mHandler)); 1450 if (params.traceMethod != null) { 1451 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1452 params.traceCookie); 1453 } 1454 return; 1455 } else { 1456 // Once we bind to the service, the first 1457 // pending request will be processed. 1458 mPendingInstalls.add(idx, params); 1459 } 1460 } else { 1461 mPendingInstalls.add(idx, params); 1462 // Already bound to the service. Just make 1463 // sure we trigger off processing the first request. 1464 if (idx == 0) { 1465 mHandler.sendEmptyMessage(MCS_BOUND); 1466 } 1467 } 1468 break; 1469 } 1470 case MCS_BOUND: { 1471 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1472 if (msg.obj != null) { 1473 mContainerService = (IMediaContainerService) msg.obj; 1474 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1475 System.identityHashCode(mHandler)); 1476 } 1477 if (mContainerService == null) { 1478 if (!mBound) { 1479 // Something seriously wrong since we are not bound and we are not 1480 // waiting for connection. Bail out. 1481 Slog.e(TAG, "Cannot bind to media container service"); 1482 for (HandlerParams params : mPendingInstalls) { 1483 // Indicate service bind error 1484 params.serviceError(); 1485 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1486 System.identityHashCode(params)); 1487 if (params.traceMethod != null) { 1488 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1489 params.traceMethod, params.traceCookie); 1490 } 1491 return; 1492 } 1493 mPendingInstalls.clear(); 1494 } else { 1495 Slog.w(TAG, "Waiting to connect to media container service"); 1496 } 1497 } else if (mPendingInstalls.size() > 0) { 1498 HandlerParams params = mPendingInstalls.get(0); 1499 if (params != null) { 1500 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1501 System.identityHashCode(params)); 1502 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1503 if (params.startCopy()) { 1504 // We are done... look for more work or to 1505 // go idle. 1506 if (DEBUG_SD_INSTALL) Log.i(TAG, 1507 "Checking for more work or unbind..."); 1508 // Delete pending install 1509 if (mPendingInstalls.size() > 0) { 1510 mPendingInstalls.remove(0); 1511 } 1512 if (mPendingInstalls.size() == 0) { 1513 if (mBound) { 1514 if (DEBUG_SD_INSTALL) Log.i(TAG, 1515 "Posting delayed MCS_UNBIND"); 1516 removeMessages(MCS_UNBIND); 1517 Message ubmsg = obtainMessage(MCS_UNBIND); 1518 // Unbind after a little delay, to avoid 1519 // continual thrashing. 1520 sendMessageDelayed(ubmsg, 10000); 1521 } 1522 } else { 1523 // There are more pending requests in queue. 1524 // Just post MCS_BOUND message to trigger processing 1525 // of next pending install. 1526 if (DEBUG_SD_INSTALL) Log.i(TAG, 1527 "Posting MCS_BOUND for next work"); 1528 mHandler.sendEmptyMessage(MCS_BOUND); 1529 } 1530 } 1531 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1532 } 1533 } else { 1534 // Should never happen ideally. 1535 Slog.w(TAG, "Empty queue"); 1536 } 1537 break; 1538 } 1539 case MCS_RECONNECT: { 1540 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1541 if (mPendingInstalls.size() > 0) { 1542 if (mBound) { 1543 disconnectService(); 1544 } 1545 if (!connectToService()) { 1546 Slog.e(TAG, "Failed to bind to media container service"); 1547 for (HandlerParams params : mPendingInstalls) { 1548 // Indicate service bind error 1549 params.serviceError(); 1550 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1551 System.identityHashCode(params)); 1552 } 1553 mPendingInstalls.clear(); 1554 } 1555 } 1556 break; 1557 } 1558 case MCS_UNBIND: { 1559 // If there is no actual work left, then time to unbind. 1560 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1561 1562 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1563 if (mBound) { 1564 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1565 1566 disconnectService(); 1567 } 1568 } else if (mPendingInstalls.size() > 0) { 1569 // There are more pending requests in queue. 1570 // Just post MCS_BOUND message to trigger processing 1571 // of next pending install. 1572 mHandler.sendEmptyMessage(MCS_BOUND); 1573 } 1574 1575 break; 1576 } 1577 case MCS_GIVE_UP: { 1578 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1579 HandlerParams params = mPendingInstalls.remove(0); 1580 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1581 System.identityHashCode(params)); 1582 break; 1583 } 1584 case SEND_PENDING_BROADCAST: { 1585 String packages[]; 1586 ArrayList<String> components[]; 1587 int size = 0; 1588 int uids[]; 1589 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1590 synchronized (mPackages) { 1591 if (mPendingBroadcasts == null) { 1592 return; 1593 } 1594 size = mPendingBroadcasts.size(); 1595 if (size <= 0) { 1596 // Nothing to be done. Just return 1597 return; 1598 } 1599 packages = new String[size]; 1600 components = new ArrayList[size]; 1601 uids = new int[size]; 1602 int i = 0; // filling out the above arrays 1603 1604 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1605 int packageUserId = mPendingBroadcasts.userIdAt(n); 1606 Iterator<Map.Entry<String, ArrayList<String>>> it 1607 = mPendingBroadcasts.packagesForUserId(packageUserId) 1608 .entrySet().iterator(); 1609 while (it.hasNext() && i < size) { 1610 Map.Entry<String, ArrayList<String>> ent = it.next(); 1611 packages[i] = ent.getKey(); 1612 components[i] = ent.getValue(); 1613 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1614 uids[i] = (ps != null) 1615 ? UserHandle.getUid(packageUserId, ps.appId) 1616 : -1; 1617 i++; 1618 } 1619 } 1620 size = i; 1621 mPendingBroadcasts.clear(); 1622 } 1623 // Send broadcasts 1624 for (int i = 0; i < size; i++) { 1625 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1626 } 1627 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1628 break; 1629 } 1630 case START_CLEANING_PACKAGE: { 1631 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1632 final String packageName = (String)msg.obj; 1633 final int userId = msg.arg1; 1634 final boolean andCode = msg.arg2 != 0; 1635 synchronized (mPackages) { 1636 if (userId == UserHandle.USER_ALL) { 1637 int[] users = sUserManager.getUserIds(); 1638 for (int user : users) { 1639 mSettings.addPackageToCleanLPw( 1640 new PackageCleanItem(user, packageName, andCode)); 1641 } 1642 } else { 1643 mSettings.addPackageToCleanLPw( 1644 new PackageCleanItem(userId, packageName, andCode)); 1645 } 1646 } 1647 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1648 startCleaningPackages(); 1649 } break; 1650 case POST_INSTALL: { 1651 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1652 1653 PostInstallData data = mRunningInstalls.get(msg.arg1); 1654 final boolean didRestore = (msg.arg2 != 0); 1655 mRunningInstalls.delete(msg.arg1); 1656 1657 if (data != null) { 1658 InstallArgs args = data.args; 1659 PackageInstalledInfo parentRes = data.res; 1660 1661 final boolean grantPermissions = (args.installFlags 1662 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1663 final boolean killApp = (args.installFlags 1664 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1665 final boolean virtualPreload = ((args.installFlags 1666 & PackageManager.INSTALL_VIRTUAL_PRELOAD) != 0); 1667 final String[] grantedPermissions = args.installGrantPermissions; 1668 1669 // Handle the parent package 1670 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1671 virtualPreload, grantedPermissions, didRestore, 1672 args.installerPackageName, args.observer); 1673 1674 // Handle the child packages 1675 final int childCount = (parentRes.addedChildPackages != null) 1676 ? parentRes.addedChildPackages.size() : 0; 1677 for (int i = 0; i < childCount; i++) { 1678 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1679 handlePackagePostInstall(childRes, grantPermissions, killApp, 1680 virtualPreload, grantedPermissions, false /*didRestore*/, 1681 args.installerPackageName, args.observer); 1682 } 1683 1684 // Log tracing if needed 1685 if (args.traceMethod != null) { 1686 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1687 args.traceCookie); 1688 } 1689 } else { 1690 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1691 } 1692 1693 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1694 } break; 1695 case WRITE_SETTINGS: { 1696 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1697 synchronized (mPackages) { 1698 removeMessages(WRITE_SETTINGS); 1699 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1700 mSettings.writeLPr(); 1701 mDirtyUsers.clear(); 1702 } 1703 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1704 } break; 1705 case WRITE_PACKAGE_RESTRICTIONS: { 1706 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1707 synchronized (mPackages) { 1708 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1709 for (int userId : mDirtyUsers) { 1710 mSettings.writePackageRestrictionsLPr(userId); 1711 } 1712 mDirtyUsers.clear(); 1713 } 1714 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1715 } break; 1716 case WRITE_PACKAGE_LIST: { 1717 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1718 synchronized (mPackages) { 1719 removeMessages(WRITE_PACKAGE_LIST); 1720 mSettings.writePackageListLPr(msg.arg1); 1721 } 1722 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1723 } break; 1724 case CHECK_PENDING_VERIFICATION: { 1725 final int verificationId = msg.arg1; 1726 final PackageVerificationState state = mPendingVerification.get(verificationId); 1727 1728 if ((state != null) && !state.timeoutExtended()) { 1729 final InstallArgs args = state.getInstallArgs(); 1730 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1731 1732 Slog.i(TAG, "Verification timed out for " + originUri); 1733 mPendingVerification.remove(verificationId); 1734 1735 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1736 1737 final UserHandle user = args.getUser(); 1738 if (getDefaultVerificationResponse(user) 1739 == PackageManager.VERIFICATION_ALLOW) { 1740 Slog.i(TAG, "Continuing with installation of " + originUri); 1741 state.setVerifierResponse(Binder.getCallingUid(), 1742 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1743 broadcastPackageVerified(verificationId, originUri, 1744 PackageManager.VERIFICATION_ALLOW, user); 1745 try { 1746 ret = args.copyApk(mContainerService, true); 1747 } catch (RemoteException e) { 1748 Slog.e(TAG, "Could not contact the ContainerService"); 1749 } 1750 } else { 1751 broadcastPackageVerified(verificationId, originUri, 1752 PackageManager.VERIFICATION_REJECT, user); 1753 } 1754 1755 Trace.asyncTraceEnd( 1756 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1757 1758 processPendingInstall(args, ret); 1759 mHandler.sendEmptyMessage(MCS_UNBIND); 1760 } 1761 break; 1762 } 1763 case PACKAGE_VERIFIED: { 1764 final int verificationId = msg.arg1; 1765 1766 final PackageVerificationState state = mPendingVerification.get(verificationId); 1767 if (state == null) { 1768 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1769 break; 1770 } 1771 1772 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1773 1774 state.setVerifierResponse(response.callerUid, response.code); 1775 1776 if (state.isVerificationComplete()) { 1777 mPendingVerification.remove(verificationId); 1778 1779 final InstallArgs args = state.getInstallArgs(); 1780 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1781 1782 int ret; 1783 if (state.isInstallAllowed()) { 1784 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1785 broadcastPackageVerified(verificationId, originUri, 1786 response.code, state.getInstallArgs().getUser()); 1787 try { 1788 ret = args.copyApk(mContainerService, true); 1789 } catch (RemoteException e) { 1790 Slog.e(TAG, "Could not contact the ContainerService"); 1791 } 1792 } else { 1793 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1794 } 1795 1796 Trace.asyncTraceEnd( 1797 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1798 1799 processPendingInstall(args, ret); 1800 mHandler.sendEmptyMessage(MCS_UNBIND); 1801 } 1802 1803 break; 1804 } 1805 case START_INTENT_FILTER_VERIFICATIONS: { 1806 IFVerificationParams params = (IFVerificationParams) msg.obj; 1807 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1808 params.replacing, params.pkg); 1809 break; 1810 } 1811 case INTENT_FILTER_VERIFIED: { 1812 final int verificationId = msg.arg1; 1813 1814 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1815 verificationId); 1816 if (state == null) { 1817 Slog.w(TAG, "Invalid IntentFilter verification token " 1818 + verificationId + " received"); 1819 break; 1820 } 1821 1822 final int userId = state.getUserId(); 1823 1824 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1825 "Processing IntentFilter verification with token:" 1826 + verificationId + " and userId:" + userId); 1827 1828 final IntentFilterVerificationResponse response = 1829 (IntentFilterVerificationResponse) msg.obj; 1830 1831 state.setVerifierResponse(response.callerUid, response.code); 1832 1833 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1834 "IntentFilter verification with token:" + verificationId 1835 + " and userId:" + userId 1836 + " is settings verifier response with response code:" 1837 + response.code); 1838 1839 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1840 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1841 + response.getFailedDomainsString()); 1842 } 1843 1844 if (state.isVerificationComplete()) { 1845 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1846 } else { 1847 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1848 "IntentFilter verification with token:" + verificationId 1849 + " was not said to be complete"); 1850 } 1851 1852 break; 1853 } 1854 case INSTANT_APP_RESOLUTION_PHASE_TWO: { 1855 InstantAppResolver.doInstantAppResolutionPhaseTwo(mContext, 1856 mInstantAppResolverConnection, 1857 (InstantAppRequest) msg.obj, 1858 mInstantAppInstallerActivity, 1859 mHandler); 1860 } 1861 } 1862 } 1863 } 1864 1865 private PermissionCallback mPermissionCallback = new PermissionCallback() { 1866 @Override 1867 public void onGidsChanged(int appId, int userId) { 1868 mHandler.post(new Runnable() { 1869 @Override 1870 public void run() { 1871 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 1872 } 1873 }); 1874 } 1875 @Override 1876 public void onPermissionGranted(int uid, int userId) { 1877 mOnPermissionChangeListeners.onPermissionsChanged(uid); 1878 1879 // Not critical; if this is lost, the application has to request again. 1880 synchronized (mPackages) { 1881 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 1882 } 1883 } 1884 @Override 1885 public void onInstallPermissionGranted() { 1886 synchronized (mPackages) { 1887 scheduleWriteSettingsLocked(); 1888 } 1889 } 1890 @Override 1891 public void onPermissionRevoked(int uid, int userId) { 1892 mOnPermissionChangeListeners.onPermissionsChanged(uid); 1893 1894 synchronized (mPackages) { 1895 // Critical; after this call the application should never have the permission 1896 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 1897 } 1898 1899 final int appId = UserHandle.getAppId(uid); 1900 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 1901 } 1902 @Override 1903 public void onInstallPermissionRevoked() { 1904 synchronized (mPackages) { 1905 scheduleWriteSettingsLocked(); 1906 } 1907 } 1908 @Override 1909 public void onPermissionUpdated(int[] updatedUserIds, boolean sync) { 1910 synchronized (mPackages) { 1911 for (int userId : updatedUserIds) { 1912 mSettings.writeRuntimePermissionsForUserLPr(userId, sync); 1913 } 1914 } 1915 } 1916 @Override 1917 public void onInstallPermissionUpdated() { 1918 synchronized (mPackages) { 1919 scheduleWriteSettingsLocked(); 1920 } 1921 } 1922 @Override 1923 public void onPermissionRemoved() { 1924 synchronized (mPackages) { 1925 mSettings.writeLPr(); 1926 } 1927 } 1928 }; 1929 1930 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1931 boolean killApp, boolean virtualPreload, String[] grantedPermissions, 1932 boolean launchedForRestore, String installerPackage, 1933 IPackageInstallObserver2 installObserver) { 1934 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1935 // Send the removed broadcasts 1936 if (res.removedInfo != null) { 1937 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1938 } 1939 1940 // Now that we successfully installed the package, grant runtime 1941 // permissions if requested before broadcasting the install. Also 1942 // for legacy apps in permission review mode we clear the permission 1943 // review flag which is used to emulate runtime permissions for 1944 // legacy apps. 1945 if (grantPermissions) { 1946 final int callingUid = Binder.getCallingUid(); 1947 mPermissionManager.grantRequestedRuntimePermissions( 1948 res.pkg, res.newUsers, grantedPermissions, callingUid, 1949 mPermissionCallback); 1950 } 1951 1952 final boolean update = res.removedInfo != null 1953 && res.removedInfo.removedPackage != null; 1954 final String installerPackageName = 1955 res.installerPackageName != null 1956 ? res.installerPackageName 1957 : res.removedInfo != null 1958 ? res.removedInfo.installerPackageName 1959 : null; 1960 1961 // If this is the first time we have child packages for a disabled privileged 1962 // app that had no children, we grant requested runtime permissions to the new 1963 // children if the parent on the system image had them already granted. 1964 if (res.pkg.parentPackage != null) { 1965 final int callingUid = Binder.getCallingUid(); 1966 mPermissionManager.grantRuntimePermissionsGrantedToDisabledPackage( 1967 res.pkg, callingUid, mPermissionCallback); 1968 } 1969 1970 synchronized (mPackages) { 1971 mInstantAppRegistry.onPackageInstalledLPw(res.pkg, res.newUsers); 1972 } 1973 1974 final String packageName = res.pkg.applicationInfo.packageName; 1975 1976 // Determine the set of users who are adding this package for 1977 // the first time vs. those who are seeing an update. 1978 int[] firstUserIds = EMPTY_INT_ARRAY; 1979 int[] firstInstantUserIds = EMPTY_INT_ARRAY; 1980 int[] updateUserIds = EMPTY_INT_ARRAY; 1981 int[] instantUserIds = EMPTY_INT_ARRAY; 1982 final boolean allNewUsers = res.origUsers == null || res.origUsers.length == 0; 1983 final PackageSetting ps = (PackageSetting) res.pkg.mExtras; 1984 for (int newUser : res.newUsers) { 1985 final boolean isInstantApp = ps.getInstantApp(newUser); 1986 if (allNewUsers) { 1987 if (isInstantApp) { 1988 firstInstantUserIds = ArrayUtils.appendInt(firstInstantUserIds, newUser); 1989 } else { 1990 firstUserIds = ArrayUtils.appendInt(firstUserIds, newUser); 1991 } 1992 continue; 1993 } 1994 boolean isNew = true; 1995 for (int origUser : res.origUsers) { 1996 if (origUser == newUser) { 1997 isNew = false; 1998 break; 1999 } 2000 } 2001 if (isNew) { 2002 if (isInstantApp) { 2003 firstInstantUserIds = ArrayUtils.appendInt(firstInstantUserIds, newUser); 2004 } else { 2005 firstUserIds = ArrayUtils.appendInt(firstUserIds, newUser); 2006 } 2007 } else { 2008 if (isInstantApp) { 2009 instantUserIds = ArrayUtils.appendInt(instantUserIds, newUser); 2010 } else { 2011 updateUserIds = ArrayUtils.appendInt(updateUserIds, newUser); 2012 } 2013 } 2014 } 2015 2016 // Send installed broadcasts if the package is not a static shared lib. 2017 if (res.pkg.staticSharedLibName == null) { 2018 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 2019 2020 // Send added for users that see the package for the first time 2021 // sendPackageAddedForNewUsers also deals with system apps 2022 int appId = UserHandle.getAppId(res.uid); 2023 boolean isSystem = res.pkg.applicationInfo.isSystemApp(); 2024 sendPackageAddedForNewUsers(packageName, isSystem || virtualPreload, 2025 virtualPreload /*startReceiver*/, appId, firstUserIds, firstInstantUserIds); 2026 2027 // Send added for users that don't see the package for the first time 2028 Bundle extras = new Bundle(1); 2029 extras.putInt(Intent.EXTRA_UID, res.uid); 2030 if (update) { 2031 extras.putBoolean(Intent.EXTRA_REPLACING, true); 2032 } 2033 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 2034 extras, 0 /*flags*/, 2035 null /*targetPackage*/, null /*finishedReceiver*/, 2036 updateUserIds, instantUserIds); 2037 if (installerPackageName != null) { 2038 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 2039 extras, 0 /*flags*/, 2040 installerPackageName, null /*finishedReceiver*/, 2041 updateUserIds, instantUserIds); 2042 } 2043 2044 // Send replaced for users that don't see the package for the first time 2045 if (update) { 2046 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 2047 packageName, extras, 0 /*flags*/, 2048 null /*targetPackage*/, null /*finishedReceiver*/, 2049 updateUserIds, instantUserIds); 2050 if (installerPackageName != null) { 2051 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 2052 extras, 0 /*flags*/, 2053 installerPackageName, null /*finishedReceiver*/, 2054 updateUserIds, instantUserIds); 2055 } 2056 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 2057 null /*package*/, null /*extras*/, 0 /*flags*/, 2058 packageName /*targetPackage*/, 2059 null /*finishedReceiver*/, updateUserIds, instantUserIds); 2060 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 2061 // First-install and we did a restore, so we're responsible for the 2062 // first-launch broadcast. 2063 if (DEBUG_BACKUP) { 2064 Slog.i(TAG, "Post-restore of " + packageName 2065 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUserIds)); 2066 } 2067 sendFirstLaunchBroadcast(packageName, installerPackage, 2068 firstUserIds, firstInstantUserIds); 2069 } 2070 2071 // Send broadcast package appeared if forward locked/external for all users 2072 // treat asec-hosted packages like removable media on upgrade 2073 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 2074 if (DEBUG_INSTALL) { 2075 Slog.i(TAG, "upgrading pkg " + res.pkg 2076 + " is ASEC-hosted -> AVAILABLE"); 2077 } 2078 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 2079 ArrayList<String> pkgList = new ArrayList<>(1); 2080 pkgList.add(packageName); 2081 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 2082 } 2083 } 2084 2085 // Work that needs to happen on first install within each user 2086 if (firstUserIds != null && firstUserIds.length > 0) { 2087 synchronized (mPackages) { 2088 for (int userId : firstUserIds) { 2089 // If this app is a browser and it's newly-installed for some 2090 // users, clear any default-browser state in those users. The 2091 // app's nature doesn't depend on the user, so we can just check 2092 // its browser nature in any user and generalize. 2093 if (packageIsBrowser(packageName, userId)) { 2094 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 2095 } 2096 2097 // We may also need to apply pending (restored) runtime 2098 // permission grants within these users. 2099 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 2100 } 2101 } 2102 } 2103 2104 if (allNewUsers && !update) { 2105 notifyPackageAdded(packageName); 2106 } 2107 2108 // Log current value of "unknown sources" setting 2109 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 2110 getUnknownSourcesSettings()); 2111 2112 // Remove the replaced package's older resources safely now 2113 // We delete after a gc for applications on sdcard. 2114 if (res.removedInfo != null && res.removedInfo.args != null) { 2115 Runtime.getRuntime().gc(); 2116 synchronized (mInstallLock) { 2117 res.removedInfo.args.doPostDeleteLI(true); 2118 } 2119 } else { 2120 // Force a gc to clear up things. Ask for a background one, it's fine to go on 2121 // and not block here. 2122 VMRuntime.getRuntime().requestConcurrentGC(); 2123 } 2124 2125 // Notify DexManager that the package was installed for new users. 2126 // The updated users should already be indexed and the package code paths 2127 // should not change. 2128 // Don't notify the manager for ephemeral apps as they are not expected to 2129 // survive long enough to benefit of background optimizations. 2130 for (int userId : firstUserIds) { 2131 PackageInfo info = getPackageInfo(packageName, /*flags*/ 0, userId); 2132 // There's a race currently where some install events may interleave with an uninstall. 2133 // This can lead to package info being null (b/36642664). 2134 if (info != null) { 2135 mDexManager.notifyPackageInstalled(info, userId); 2136 } 2137 } 2138 } 2139 2140 // If someone is watching installs - notify them 2141 if (installObserver != null) { 2142 try { 2143 Bundle extras = extrasForInstallResult(res); 2144 installObserver.onPackageInstalled(res.name, res.returnCode, 2145 res.returnMsg, extras); 2146 } catch (RemoteException e) { 2147 Slog.i(TAG, "Observer no longer exists."); 2148 } 2149 } 2150 } 2151 2152 private StorageEventListener mStorageListener = new StorageEventListener() { 2153 @Override 2154 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 2155 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 2156 if (vol.state == VolumeInfo.STATE_MOUNTED) { 2157 final String volumeUuid = vol.getFsUuid(); 2158 2159 // Clean up any users or apps that were removed or recreated 2160 // while this volume was missing 2161 sUserManager.reconcileUsers(volumeUuid); 2162 reconcileApps(volumeUuid); 2163 2164 // Clean up any install sessions that expired or were 2165 // cancelled while this volume was missing 2166 mInstallerService.onPrivateVolumeMounted(volumeUuid); 2167 2168 loadPrivatePackages(vol); 2169 2170 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2171 unloadPrivatePackages(vol); 2172 } 2173 } 2174 } 2175 2176 @Override 2177 public void onVolumeForgotten(String fsUuid) { 2178 if (TextUtils.isEmpty(fsUuid)) { 2179 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 2180 return; 2181 } 2182 2183 // Remove any apps installed on the forgotten volume 2184 synchronized (mPackages) { 2185 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 2186 for (PackageSetting ps : packages) { 2187 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 2188 deletePackageVersioned(new VersionedPackage(ps.name, 2189 PackageManager.VERSION_CODE_HIGHEST), 2190 new LegacyPackageDeleteObserver(null).getBinder(), 2191 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 2192 // Try very hard to release any references to this package 2193 // so we don't risk the system server being killed due to 2194 // open FDs 2195 AttributeCache.instance().removePackage(ps.name); 2196 } 2197 2198 mSettings.onVolumeForgotten(fsUuid); 2199 mSettings.writeLPr(); 2200 } 2201 } 2202 }; 2203 2204 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2205 Bundle extras = null; 2206 switch (res.returnCode) { 2207 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2208 extras = new Bundle(); 2209 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2210 res.origPermission); 2211 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2212 res.origPackage); 2213 break; 2214 } 2215 case PackageManager.INSTALL_SUCCEEDED: { 2216 extras = new Bundle(); 2217 extras.putBoolean(Intent.EXTRA_REPLACING, 2218 res.removedInfo != null && res.removedInfo.removedPackage != null); 2219 break; 2220 } 2221 } 2222 return extras; 2223 } 2224 2225 void scheduleWriteSettingsLocked() { 2226 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2227 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2228 } 2229 } 2230 2231 void scheduleWritePackageListLocked(int userId) { 2232 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 2233 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 2234 msg.arg1 = userId; 2235 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 2236 } 2237 } 2238 2239 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2240 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2241 scheduleWritePackageRestrictionsLocked(userId); 2242 } 2243 2244 void scheduleWritePackageRestrictionsLocked(int userId) { 2245 final int[] userIds = (userId == UserHandle.USER_ALL) 2246 ? sUserManager.getUserIds() : new int[]{userId}; 2247 for (int nextUserId : userIds) { 2248 if (!sUserManager.exists(nextUserId)) return; 2249 mDirtyUsers.add(nextUserId); 2250 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2251 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2252 } 2253 } 2254 } 2255 2256 public static PackageManagerService main(Context context, Installer installer, 2257 boolean factoryTest, boolean onlyCore) { 2258 // Self-check for initial settings. 2259 PackageManagerServiceCompilerMapping.checkProperties(); 2260 2261 PackageManagerService m = new PackageManagerService(context, installer, 2262 factoryTest, onlyCore); 2263 m.enableSystemUserPackages(); 2264 ServiceManager.addService("package", m); 2265 final PackageManagerNative pmn = m.new PackageManagerNative(); 2266 ServiceManager.addService("package_native", pmn); 2267 return m; 2268 } 2269 2270 private void enableSystemUserPackages() { 2271 if (!UserManager.isSplitSystemUser()) { 2272 return; 2273 } 2274 // For system user, enable apps based on the following conditions: 2275 // - app is whitelisted or belong to one of these groups: 2276 // -- system app which has no launcher icons 2277 // -- system app which has INTERACT_ACROSS_USERS permission 2278 // -- system IME app 2279 // - app is not in the blacklist 2280 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2281 Set<String> enableApps = new ArraySet<>(); 2282 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2283 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2284 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2285 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2286 enableApps.addAll(wlApps); 2287 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2288 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2289 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2290 enableApps.removeAll(blApps); 2291 Log.i(TAG, "Applications installed for system user: " + enableApps); 2292 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2293 UserHandle.SYSTEM); 2294 final int allAppsSize = allAps.size(); 2295 synchronized (mPackages) { 2296 for (int i = 0; i < allAppsSize; i++) { 2297 String pName = allAps.get(i); 2298 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2299 // Should not happen, but we shouldn't be failing if it does 2300 if (pkgSetting == null) { 2301 continue; 2302 } 2303 boolean install = enableApps.contains(pName); 2304 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2305 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2306 + " for system user"); 2307 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2308 } 2309 } 2310 scheduleWritePackageRestrictionsLocked(UserHandle.USER_SYSTEM); 2311 } 2312 } 2313 2314 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2315 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2316 Context.DISPLAY_SERVICE); 2317 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2318 } 2319 2320 /** 2321 * Requests that files preopted on a secondary system partition be copied to the data partition 2322 * if possible. Note that the actual copying of the files is accomplished by init for security 2323 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2324 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2325 */ 2326 private static void requestCopyPreoptedFiles() { 2327 final int WAIT_TIME_MS = 100; 2328 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2329 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2330 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2331 // We will wait for up to 100 seconds. 2332 final long timeStart = SystemClock.uptimeMillis(); 2333 final long timeEnd = timeStart + 100 * 1000; 2334 long timeNow = timeStart; 2335 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2336 try { 2337 Thread.sleep(WAIT_TIME_MS); 2338 } catch (InterruptedException e) { 2339 // Do nothing 2340 } 2341 timeNow = SystemClock.uptimeMillis(); 2342 if (timeNow > timeEnd) { 2343 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2344 Slog.wtf(TAG, "cppreopt did not finish!"); 2345 break; 2346 } 2347 } 2348 2349 Slog.i(TAG, "cppreopts took " + (timeNow - timeStart) + " ms"); 2350 } 2351 } 2352 2353 public PackageManagerService(Context context, Installer installer, 2354 boolean factoryTest, boolean onlyCore) { 2355 LockGuard.installLock(mPackages, LockGuard.INDEX_PACKAGES); 2356 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "create package manager"); 2357 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2358 SystemClock.uptimeMillis()); 2359 2360 if (mSdkVersion <= 0) { 2361 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2362 } 2363 2364 mContext = context; 2365 2366 mFactoryTest = factoryTest; 2367 mOnlyCore = onlyCore; 2368 mMetrics = new DisplayMetrics(); 2369 mInstaller = installer; 2370 2371 // Create sub-components that provide services / data. Order here is important. 2372 synchronized (mInstallLock) { 2373 synchronized (mPackages) { 2374 // Expose private service for system components to use. 2375 LocalServices.addService( 2376 PackageManagerInternal.class, new PackageManagerInternalImpl()); 2377 sUserManager = new UserManagerService(context, this, 2378 new UserDataPreparer(mInstaller, mInstallLock, mContext, mOnlyCore), mPackages); 2379 mPermissionManager = PermissionManagerService.create(context, 2380 new DefaultPermissionGrantedCallback() { 2381 @Override 2382 public void onDefaultRuntimePermissionsGranted(int userId) { 2383 synchronized(mPackages) { 2384 mSettings.onDefaultRuntimePermissionsGrantedLPr(userId); 2385 } 2386 } 2387 }, mPackages /*externalLock*/); 2388 mDefaultPermissionPolicy = mPermissionManager.getDefaultPermissionGrantPolicy(); 2389 mSettings = new Settings(mPermissionManager.getPermissionSettings(), mPackages); 2390 } 2391 } 2392 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2393 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2394 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2395 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2396 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2397 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2398 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2399 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2400 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2401 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2402 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2403 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2404 2405 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2406 if (separateProcesses != null && separateProcesses.length() > 0) { 2407 if ("*".equals(separateProcesses)) { 2408 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2409 mSeparateProcesses = null; 2410 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2411 } else { 2412 mDefParseFlags = 0; 2413 mSeparateProcesses = separateProcesses.split(","); 2414 Slog.w(TAG, "Running with debug.separate_processes: " 2415 + separateProcesses); 2416 } 2417 } else { 2418 mDefParseFlags = 0; 2419 mSeparateProcesses = null; 2420 } 2421 2422 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2423 "*dexopt*"); 2424 DexManager.Listener dexManagerListener = DexLogger.getListener(this, 2425 installer, mInstallLock); 2426 mDexManager = new DexManager(this, mPackageDexOptimizer, installer, mInstallLock, 2427 dexManagerListener); 2428 mArtManagerService = new ArtManagerService(this, installer, mInstallLock); 2429 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2430 2431 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2432 FgThread.get().getLooper()); 2433 2434 getDefaultDisplayMetrics(context, mMetrics); 2435 2436 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "get system config"); 2437 SystemConfig systemConfig = SystemConfig.getInstance(); 2438 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2439 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2440 2441 mProtectedPackages = new ProtectedPackages(mContext); 2442 2443 synchronized (mInstallLock) { 2444 // writer 2445 synchronized (mPackages) { 2446 mHandlerThread = new ServiceThread(TAG, 2447 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2448 mHandlerThread.start(); 2449 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2450 mProcessLoggingHandler = new ProcessLoggingHandler(); 2451 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2452 mInstantAppRegistry = new InstantAppRegistry(this); 2453 2454 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2455 final int builtInLibCount = libConfig.size(); 2456 for (int i = 0; i < builtInLibCount; i++) { 2457 String name = libConfig.keyAt(i); 2458 String path = libConfig.valueAt(i); 2459 addSharedLibraryLPw(path, null, name, SharedLibraryInfo.VERSION_UNDEFINED, 2460 SharedLibraryInfo.TYPE_BUILTIN, PLATFORM_PACKAGE_NAME, 0); 2461 } 2462 2463 SELinuxMMAC.readInstallPolicy(); 2464 2465 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "read user settings"); 2466 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2467 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2468 2469 // Clean up orphaned packages for which the code path doesn't exist 2470 // and they are an update to a system app - caused by bug/32321269 2471 final int packageSettingCount = mSettings.mPackages.size(); 2472 for (int i = packageSettingCount - 1; i >= 0; i--) { 2473 PackageSetting ps = mSettings.mPackages.valueAt(i); 2474 if (!isExternal(ps) && (ps.codePath == null || !ps.codePath.exists()) 2475 && mSettings.getDisabledSystemPkgLPr(ps.name) != null) { 2476 mSettings.mPackages.removeAt(i); 2477 mSettings.enableSystemPackageLPw(ps.name); 2478 } 2479 } 2480 2481 if (mFirstBoot) { 2482 requestCopyPreoptedFiles(); 2483 } 2484 2485 String customResolverActivity = Resources.getSystem().getString( 2486 R.string.config_customResolverActivity); 2487 if (TextUtils.isEmpty(customResolverActivity)) { 2488 customResolverActivity = null; 2489 } else { 2490 mCustomResolverComponentName = ComponentName.unflattenFromString( 2491 customResolverActivity); 2492 } 2493 2494 long startTime = SystemClock.uptimeMillis(); 2495 2496 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2497 startTime); 2498 2499 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2500 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2501 2502 if (bootClassPath == null) { 2503 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2504 } 2505 2506 if (systemServerClassPath == null) { 2507 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2508 } 2509 2510 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2511 2512 final VersionInfo ver = mSettings.getInternalVersion(); 2513 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2514 if (mIsUpgrade) { 2515 logCriticalInfo(Log.INFO, 2516 "Upgrading from " + ver.fingerprint + " to " + Build.FINGERPRINT); 2517 } 2518 2519 // when upgrading from pre-M, promote system app permissions from install to runtime 2520 mPromoteSystemApps = 2521 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2522 2523 // When upgrading from pre-N, we need to handle package extraction like first boot, 2524 // as there is no profiling data available. 2525 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2526 2527 mIsPreNMR1Upgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N_MR1; 2528 2529 // save off the names of pre-existing system packages prior to scanning; we don't 2530 // want to automatically grant runtime permissions for new system apps 2531 if (mPromoteSystemApps) { 2532 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2533 while (pkgSettingIter.hasNext()) { 2534 PackageSetting ps = pkgSettingIter.next(); 2535 if (isSystemApp(ps)) { 2536 mExistingSystemPackages.add(ps.name); 2537 } 2538 } 2539 } 2540 2541 mCacheDir = preparePackageParserCache(mIsUpgrade); 2542 2543 // Set flag to monitor and not change apk file paths when 2544 // scanning install directories. 2545 int scanFlags = SCAN_BOOTING | SCAN_INITIAL; 2546 2547 if (mIsUpgrade || mFirstBoot) { 2548 scanFlags = scanFlags | SCAN_FIRST_BOOT_OR_UPGRADE; 2549 } 2550 2551 // Collect vendor overlay packages. (Do this before scanning any apps.) 2552 // For security and version matching reason, only consider 2553 // overlay packages if they reside in the right directory. 2554 scanDirTracedLI(new File(VENDOR_OVERLAY_DIR), 2555 mDefParseFlags 2556 | PackageParser.PARSE_IS_SYSTEM_DIR, 2557 scanFlags 2558 | SCAN_AS_SYSTEM 2559 | SCAN_TRUSTED_OVERLAY, 2560 0); 2561 2562 mParallelPackageParserCallback.findStaticOverlayPackages(); 2563 2564 // Find base frameworks (resource packages without code). 2565 scanDirTracedLI(frameworkDir, 2566 mDefParseFlags 2567 | PackageParser.PARSE_IS_SYSTEM_DIR, 2568 scanFlags 2569 | SCAN_NO_DEX 2570 | SCAN_AS_SYSTEM 2571 | SCAN_AS_PRIVILEGED, 2572 0); 2573 2574 // Collected privileged system packages. 2575 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2576 scanDirTracedLI(privilegedAppDir, 2577 mDefParseFlags 2578 | PackageParser.PARSE_IS_SYSTEM_DIR, 2579 scanFlags 2580 | SCAN_AS_SYSTEM 2581 | SCAN_AS_PRIVILEGED, 2582 0); 2583 2584 // Collect ordinary system packages. 2585 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2586 scanDirTracedLI(systemAppDir, 2587 mDefParseFlags 2588 | PackageParser.PARSE_IS_SYSTEM_DIR, 2589 scanFlags 2590 | SCAN_AS_SYSTEM, 2591 0); 2592 2593 // Collected privileged vendor packages. 2594 File privilegedVendorAppDir = new File(Environment.getVendorDirectory(), 2595 "priv-app"); 2596 try { 2597 privilegedVendorAppDir = privilegedVendorAppDir.getCanonicalFile(); 2598 } catch (IOException e) { 2599 // failed to look up canonical path, continue with original one 2600 } 2601 scanDirTracedLI(privilegedVendorAppDir, 2602 mDefParseFlags 2603 | PackageParser.PARSE_IS_SYSTEM_DIR, 2604 scanFlags 2605 | SCAN_AS_SYSTEM 2606 | SCAN_AS_VENDOR 2607 | SCAN_AS_PRIVILEGED, 2608 0); 2609 2610 // Collect ordinary vendor packages. 2611 File vendorAppDir = new File(Environment.getVendorDirectory(), "app"); 2612 try { 2613 vendorAppDir = vendorAppDir.getCanonicalFile(); 2614 } catch (IOException e) { 2615 // failed to look up canonical path, continue with original one 2616 } 2617 scanDirTracedLI(vendorAppDir, 2618 mDefParseFlags 2619 | PackageParser.PARSE_IS_SYSTEM_DIR, 2620 scanFlags 2621 | SCAN_AS_SYSTEM 2622 | SCAN_AS_VENDOR, 2623 0); 2624 2625 // Collect all OEM packages. 2626 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2627 scanDirTracedLI(oemAppDir, 2628 mDefParseFlags 2629 | PackageParser.PARSE_IS_SYSTEM_DIR, 2630 scanFlags 2631 | SCAN_AS_SYSTEM 2632 | SCAN_AS_OEM, 2633 0); 2634 2635 // Prune any system packages that no longer exist. 2636 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<>(); 2637 // Stub packages must either be replaced with full versions in the /data 2638 // partition or be disabled. 2639 final List<String> stubSystemApps = new ArrayList<>(); 2640 if (!mOnlyCore) { 2641 // do this first before mucking with mPackages for the "expecting better" case 2642 final Iterator<PackageParser.Package> pkgIterator = mPackages.values().iterator(); 2643 while (pkgIterator.hasNext()) { 2644 final PackageParser.Package pkg = pkgIterator.next(); 2645 if (pkg.isStub) { 2646 stubSystemApps.add(pkg.packageName); 2647 } 2648 } 2649 2650 final Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2651 while (psit.hasNext()) { 2652 PackageSetting ps = psit.next(); 2653 2654 /* 2655 * If this is not a system app, it can't be a 2656 * disable system app. 2657 */ 2658 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2659 continue; 2660 } 2661 2662 /* 2663 * If the package is scanned, it's not erased. 2664 */ 2665 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2666 if (scannedPkg != null) { 2667 /* 2668 * If the system app is both scanned and in the 2669 * disabled packages list, then it must have been 2670 * added via OTA. Remove it from the currently 2671 * scanned package so the previously user-installed 2672 * application can be scanned. 2673 */ 2674 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2675 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2676 + ps.name + "; removing system app. Last known codePath=" 2677 + ps.codePathString + ", installStatus=" + ps.installStatus 2678 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2679 + scannedPkg.getLongVersionCode()); 2680 removePackageLI(scannedPkg, true); 2681 mExpectingBetter.put(ps.name, ps.codePath); 2682 } 2683 2684 continue; 2685 } 2686 2687 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2688 psit.remove(); 2689 logCriticalInfo(Log.WARN, "System package " + ps.name 2690 + " no longer exists; it's data will be wiped"); 2691 // Actual deletion of code and data will be handled by later 2692 // reconciliation step 2693 } else { 2694 // we still have a disabled system package, but, it still might have 2695 // been removed. check the code path still exists and check there's 2696 // still a package. the latter can happen if an OTA keeps the same 2697 // code path, but, changes the package name. 2698 final PackageSetting disabledPs = 2699 mSettings.getDisabledSystemPkgLPr(ps.name); 2700 if (disabledPs.codePath == null || !disabledPs.codePath.exists() 2701 || disabledPs.pkg == null) { 2702if (REFACTOR_DEBUG) { 2703Slog.e("TODD", 2704 "Possibly deleted app: " + ps.dumpState_temp() 2705 + "; path: " + (disabledPs.codePath == null ? "<<NULL>>":disabledPs.codePath) 2706 + "; pkg: " + (disabledPs.pkg==null?"<<NULL>>":disabledPs.pkg.toString())); 2707} 2708 possiblyDeletedUpdatedSystemApps.add(ps.name); 2709 } 2710 } 2711 } 2712 } 2713 2714 //look for any incomplete package installations 2715 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2716 for (int i = 0; i < deletePkgsList.size(); i++) { 2717 // Actual deletion of code and data will be handled by later 2718 // reconciliation step 2719 final String packageName = deletePkgsList.get(i).name; 2720 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2721 synchronized (mPackages) { 2722 mSettings.removePackageLPw(packageName); 2723 } 2724 } 2725 2726 //delete tmp files 2727 deleteTempPackageFiles(); 2728 2729 final int cachedSystemApps = PackageParser.sCachedPackageReadCount.get(); 2730 2731 // Remove any shared userIDs that have no associated packages 2732 mSettings.pruneSharedUsersLPw(); 2733 final long systemScanTime = SystemClock.uptimeMillis() - startTime; 2734 final int systemPackagesCount = mPackages.size(); 2735 Slog.i(TAG, "Finished scanning system apps. Time: " + systemScanTime 2736 + " ms, packageCount: " + systemPackagesCount 2737 + " , timePerPackage: " 2738 + (systemPackagesCount == 0 ? 0 : systemScanTime / systemPackagesCount) 2739 + " , cached: " + cachedSystemApps); 2740 if (mIsUpgrade && systemPackagesCount > 0) { 2741 MetricsLogger.histogram(null, "ota_package_manager_system_app_avg_scan_time", 2742 ((int) systemScanTime) / systemPackagesCount); 2743 } 2744 if (!mOnlyCore) { 2745 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2746 SystemClock.uptimeMillis()); 2747 scanDirTracedLI(sAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2748 2749 scanDirTracedLI(sDrmAppPrivateInstallDir, mDefParseFlags 2750 | PackageParser.PARSE_FORWARD_LOCK, 2751 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2752 2753 // Remove disable package settings for updated system apps that were 2754 // removed via an OTA. If the update is no longer present, remove the 2755 // app completely. Otherwise, revoke their system privileges. 2756 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2757 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2758 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2759if (REFACTOR_DEBUG) { 2760Slog.e("TODD", 2761 "remove update; name: " + deletedAppName + ", exists? " + (deletedPkg != null)); 2762} 2763 final String msg; 2764 if (deletedPkg == null) { 2765 // should have found an update, but, we didn't; remove everything 2766 msg = "Updated system package " + deletedAppName 2767 + " no longer exists; removing its data"; 2768 // Actual deletion of code and data will be handled by later 2769 // reconciliation step 2770 } else { 2771 // found an update; revoke system privileges 2772 msg = "Updated system package + " + deletedAppName 2773 + " no longer exists; revoking system privileges"; 2774 2775 // Don't do anything if a stub is removed from the system image. If 2776 // we were to remove the uncompressed version from the /data partition, 2777 // this is where it'd be done. 2778 2779 final PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2780 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2781 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2782 } 2783 logCriticalInfo(Log.WARN, msg); 2784 } 2785 2786 /* 2787 * Make sure all system apps that we expected to appear on 2788 * the userdata partition actually showed up. If they never 2789 * appeared, crawl back and revive the system version. 2790 */ 2791 for (int i = 0; i < mExpectingBetter.size(); i++) { 2792 final String packageName = mExpectingBetter.keyAt(i); 2793 if (!mPackages.containsKey(packageName)) { 2794 final File scanFile = mExpectingBetter.valueAt(i); 2795 2796 logCriticalInfo(Log.WARN, "Expected better " + packageName 2797 + " but never showed up; reverting to system"); 2798 2799 final @ParseFlags int reparseFlags; 2800 final @ScanFlags int rescanFlags; 2801 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2802 reparseFlags = 2803 mDefParseFlags | 2804 PackageParser.PARSE_IS_SYSTEM_DIR; 2805 rescanFlags = 2806 scanFlags 2807 | SCAN_AS_SYSTEM 2808 | SCAN_AS_PRIVILEGED; 2809 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2810 reparseFlags = 2811 mDefParseFlags | 2812 PackageParser.PARSE_IS_SYSTEM_DIR; 2813 rescanFlags = 2814 scanFlags 2815 | SCAN_AS_SYSTEM; 2816 } else if (FileUtils.contains(privilegedVendorAppDir, scanFile)) { 2817 reparseFlags = 2818 mDefParseFlags | 2819 PackageParser.PARSE_IS_SYSTEM_DIR; 2820 rescanFlags = 2821 scanFlags 2822 | SCAN_AS_SYSTEM 2823 | SCAN_AS_VENDOR 2824 | SCAN_AS_PRIVILEGED; 2825 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2826 reparseFlags = 2827 mDefParseFlags | 2828 PackageParser.PARSE_IS_SYSTEM_DIR; 2829 rescanFlags = 2830 scanFlags 2831 | SCAN_AS_SYSTEM 2832 | SCAN_AS_VENDOR; 2833 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2834 reparseFlags = 2835 mDefParseFlags | 2836 PackageParser.PARSE_IS_SYSTEM_DIR; 2837 rescanFlags = 2838 scanFlags 2839 | SCAN_AS_SYSTEM 2840 | SCAN_AS_OEM; 2841 } else { 2842 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2843 continue; 2844 } 2845 2846 mSettings.enableSystemPackageLPw(packageName); 2847 2848 try { 2849 scanPackageTracedLI(scanFile, reparseFlags, rescanFlags, 0, null); 2850 } catch (PackageManagerException e) { 2851 Slog.e(TAG, "Failed to parse original system package: " 2852 + e.getMessage()); 2853 } 2854 } 2855 } 2856 2857 // Uncompress and install any stubbed system applications. 2858 // This must be done last to ensure all stubs are replaced or disabled. 2859 decompressSystemApplications(stubSystemApps, scanFlags); 2860 2861 final int cachedNonSystemApps = PackageParser.sCachedPackageReadCount.get() 2862 - cachedSystemApps; 2863 2864 final long dataScanTime = SystemClock.uptimeMillis() - systemScanTime - startTime; 2865 final int dataPackagesCount = mPackages.size() - systemPackagesCount; 2866 Slog.i(TAG, "Finished scanning non-system apps. Time: " + dataScanTime 2867 + " ms, packageCount: " + dataPackagesCount 2868 + " , timePerPackage: " 2869 + (dataPackagesCount == 0 ? 0 : dataScanTime / dataPackagesCount) 2870 + " , cached: " + cachedNonSystemApps); 2871 if (mIsUpgrade && dataPackagesCount > 0) { 2872 MetricsLogger.histogram(null, "ota_package_manager_data_app_avg_scan_time", 2873 ((int) dataScanTime) / dataPackagesCount); 2874 } 2875 } 2876 mExpectingBetter.clear(); 2877 2878 // Resolve the storage manager. 2879 mStorageManagerPackage = getStorageManagerPackageName(); 2880 2881 // Resolve protected action filters. Only the setup wizard is allowed to 2882 // have a high priority filter for these actions. 2883 mSetupWizardPackage = getSetupWizardPackageName(); 2884 if (mProtectedFilters.size() > 0) { 2885 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2886 Slog.i(TAG, "No setup wizard;" 2887 + " All protected intents capped to priority 0"); 2888 } 2889 for (ActivityIntentInfo filter : mProtectedFilters) { 2890 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2891 if (DEBUG_FILTERS) { 2892 Slog.i(TAG, "Found setup wizard;" 2893 + " allow priority " + filter.getPriority() + ";" 2894 + " package: " + filter.activity.info.packageName 2895 + " activity: " + filter.activity.className 2896 + " priority: " + filter.getPriority()); 2897 } 2898 // skip setup wizard; allow it to keep the high priority filter 2899 continue; 2900 } 2901 if (DEBUG_FILTERS) { 2902 Slog.i(TAG, "Protected action; cap priority to 0;" 2903 + " package: " + filter.activity.info.packageName 2904 + " activity: " + filter.activity.className 2905 + " origPrio: " + filter.getPriority()); 2906 } 2907 filter.setPriority(0); 2908 } 2909 } 2910 mDeferProtectedFilters = false; 2911 mProtectedFilters.clear(); 2912 2913 // Now that we know all of the shared libraries, update all clients to have 2914 // the correct library paths. 2915 updateAllSharedLibrariesLPw(null); 2916 2917 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2918 // NOTE: We ignore potential failures here during a system scan (like 2919 // the rest of the commands above) because there's precious little we 2920 // can do about it. A settings error is reported, though. 2921 final List<String> changedAbiCodePath = 2922 adjustCpuAbisForSharedUserLPw(setting.packages, null /*scannedPackage*/); 2923 if (changedAbiCodePath != null && changedAbiCodePath.size() > 0) { 2924 for (int i = changedAbiCodePath.size() - 1; i >= 0; --i) { 2925 final String codePathString = changedAbiCodePath.get(i); 2926 try { 2927 mInstaller.rmdex(codePathString, 2928 getDexCodeInstructionSet(getPreferredInstructionSet())); 2929 } catch (InstallerException ignored) { 2930 } 2931 } 2932 } 2933 } 2934 2935 // Now that we know all the packages we are keeping, 2936 // read and update their last usage times. 2937 mPackageUsage.read(mPackages); 2938 mCompilerStats.read(); 2939 2940 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2941 SystemClock.uptimeMillis()); 2942 Slog.i(TAG, "Time to scan packages: " 2943 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2944 + " seconds"); 2945 2946 // If the platform SDK has changed since the last time we booted, 2947 // we need to re-grant app permission to catch any new ones that 2948 // appear. This is really a hack, and means that apps can in some 2949 // cases get permissions that the user didn't initially explicitly 2950 // allow... it would be nice to have some better way to handle 2951 // this situation. 2952 final boolean sdkUpdated = (ver.sdkVersion != mSdkVersion); 2953 if (sdkUpdated) { 2954 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2955 + mSdkVersion + "; regranting permissions for internal storage"); 2956 } 2957 mPermissionManager.updateAllPermissions( 2958 StorageManager.UUID_PRIVATE_INTERNAL, sdkUpdated, mPackages.values(), 2959 mPermissionCallback); 2960 ver.sdkVersion = mSdkVersion; 2961 2962 // If this is the first boot or an update from pre-M, and it is a normal 2963 // boot, then we need to initialize the default preferred apps across 2964 // all defined users. 2965 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2966 for (UserInfo user : sUserManager.getUsers(true)) { 2967 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2968 applyFactoryDefaultBrowserLPw(user.id); 2969 primeDomainVerificationsLPw(user.id); 2970 } 2971 } 2972 2973 // Prepare storage for system user really early during boot, 2974 // since core system apps like SettingsProvider and SystemUI 2975 // can't wait for user to start 2976 final int storageFlags; 2977 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2978 storageFlags = StorageManager.FLAG_STORAGE_DE; 2979 } else { 2980 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2981 } 2982 List<String> deferPackages = reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, 2983 UserHandle.USER_SYSTEM, storageFlags, true /* migrateAppData */, 2984 true /* onlyCoreApps */); 2985 mPrepareAppDataFuture = SystemServerInitThreadPool.get().submit(() -> { 2986 TimingsTraceLog traceLog = new TimingsTraceLog("SystemServerTimingAsync", 2987 Trace.TRACE_TAG_PACKAGE_MANAGER); 2988 traceLog.traceBegin("AppDataFixup"); 2989 try { 2990 mInstaller.fixupAppData(StorageManager.UUID_PRIVATE_INTERNAL, 2991 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 2992 } catch (InstallerException e) { 2993 Slog.w(TAG, "Trouble fixing GIDs", e); 2994 } 2995 traceLog.traceEnd(); 2996 2997 traceLog.traceBegin("AppDataPrepare"); 2998 if (deferPackages == null || deferPackages.isEmpty()) { 2999 return; 3000 } 3001 int count = 0; 3002 for (String pkgName : deferPackages) { 3003 PackageParser.Package pkg = null; 3004 synchronized (mPackages) { 3005 PackageSetting ps = mSettings.getPackageLPr(pkgName); 3006 if (ps != null && ps.getInstalled(UserHandle.USER_SYSTEM)) { 3007 pkg = ps.pkg; 3008 } 3009 } 3010 if (pkg != null) { 3011 synchronized (mInstallLock) { 3012 prepareAppDataAndMigrateLIF(pkg, UserHandle.USER_SYSTEM, storageFlags, 3013 true /* maybeMigrateAppData */); 3014 } 3015 count++; 3016 } 3017 } 3018 traceLog.traceEnd(); 3019 Slog.i(TAG, "Deferred reconcileAppsData finished " + count + " packages"); 3020 }, "prepareAppData"); 3021 3022 // If this is first boot after an OTA, and a normal boot, then 3023 // we need to clear code cache directories. 3024 // Note that we do *not* clear the application profiles. These remain valid 3025 // across OTAs and are used to drive profile verification (post OTA) and 3026 // profile compilation (without waiting to collect a fresh set of profiles). 3027 if (mIsUpgrade && !onlyCore) { 3028 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 3029 for (int i = 0; i < mSettings.mPackages.size(); i++) { 3030 final PackageSetting ps = mSettings.mPackages.valueAt(i); 3031 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 3032 // No apps are running this early, so no need to freeze 3033 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 3034 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 3035 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 3036 } 3037 } 3038 ver.fingerprint = Build.FINGERPRINT; 3039 } 3040 3041 checkDefaultBrowser(); 3042 3043 // clear only after permissions and other defaults have been updated 3044 mExistingSystemPackages.clear(); 3045 mPromoteSystemApps = false; 3046 3047 // All the changes are done during package scanning. 3048 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 3049 3050 // can downgrade to reader 3051 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "write settings"); 3052 mSettings.writeLPr(); 3053 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 3054 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 3055 SystemClock.uptimeMillis()); 3056 3057 if (!mOnlyCore) { 3058 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 3059 mRequiredInstallerPackage = getRequiredInstallerLPr(); 3060 mRequiredUninstallerPackage = getRequiredUninstallerLPr(); 3061 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 3062 if (mIntentFilterVerifierComponent != null) { 3063 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 3064 mIntentFilterVerifierComponent); 3065 } else { 3066 mIntentFilterVerifier = null; 3067 } 3068 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 3069 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES, 3070 SharedLibraryInfo.VERSION_UNDEFINED); 3071 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 3072 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED, 3073 SharedLibraryInfo.VERSION_UNDEFINED); 3074 } else { 3075 mRequiredVerifierPackage = null; 3076 mRequiredInstallerPackage = null; 3077 mRequiredUninstallerPackage = null; 3078 mIntentFilterVerifierComponent = null; 3079 mIntentFilterVerifier = null; 3080 mServicesSystemSharedLibraryPackageName = null; 3081 mSharedSystemSharedLibraryPackageName = null; 3082 } 3083 3084 mInstallerService = new PackageInstallerService(context, this); 3085 final Pair<ComponentName, String> instantAppResolverComponent = 3086 getInstantAppResolverLPr(); 3087 if (instantAppResolverComponent != null) { 3088 if (DEBUG_EPHEMERAL) { 3089 Slog.d(TAG, "Set ephemeral resolver: " + instantAppResolverComponent); 3090 } 3091 mInstantAppResolverConnection = new EphemeralResolverConnection( 3092 mContext, instantAppResolverComponent.first, 3093 instantAppResolverComponent.second); 3094 mInstantAppResolverSettingsComponent = 3095 getInstantAppResolverSettingsLPr(instantAppResolverComponent.first); 3096 } else { 3097 mInstantAppResolverConnection = null; 3098 mInstantAppResolverSettingsComponent = null; 3099 } 3100 updateInstantAppInstallerLocked(null); 3101 3102 // Read and update the usage of dex files. 3103 // Do this at the end of PM init so that all the packages have their 3104 // data directory reconciled. 3105 // At this point we know the code paths of the packages, so we can validate 3106 // the disk file and build the internal cache. 3107 // The usage file is expected to be small so loading and verifying it 3108 // should take a fairly small time compare to the other activities (e.g. package 3109 // scanning). 3110 final Map<Integer, List<PackageInfo>> userPackages = new HashMap<>(); 3111 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 3112 for (int userId : currentUserIds) { 3113 userPackages.put(userId, getInstalledPackages(/*flags*/ 0, userId).getList()); 3114 } 3115 mDexManager.load(userPackages); 3116 if (mIsUpgrade) { 3117 MetricsLogger.histogram(null, "ota_package_manager_init_time", 3118 (int) (SystemClock.uptimeMillis() - startTime)); 3119 } 3120 } // synchronized (mPackages) 3121 } // synchronized (mInstallLock) 3122 3123 // Now after opening every single application zip, make sure they 3124 // are all flushed. Not really needed, but keeps things nice and 3125 // tidy. 3126 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "GC"); 3127 Runtime.getRuntime().gc(); 3128 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 3129 3130 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "loadFallbacks"); 3131 FallbackCategoryProvider.loadFallbacks(); 3132 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 3133 3134 // The initial scanning above does many calls into installd while 3135 // holding the mPackages lock, but we're mostly interested in yelling 3136 // once we have a booted system. 3137 mInstaller.setWarnIfHeld(mPackages); 3138 3139 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 3140 } 3141 3142 /** 3143 * Uncompress and install stub applications. 3144 * <p>In order to save space on the system partition, some applications are shipped in a 3145 * compressed form. In addition the compressed bits for the full application, the 3146 * system image contains a tiny stub comprised of only the Android manifest. 3147 * <p>During the first boot, attempt to uncompress and install the full application. If 3148 * the application can't be installed for any reason, disable the stub and prevent 3149 * uncompressing the full application during future boots. 3150 * <p>In order to forcefully attempt an installation of a full application, go to app 3151 * settings and enable the application. 3152 */ 3153 private void decompressSystemApplications(@NonNull List<String> stubSystemApps, int scanFlags) { 3154 for (int i = stubSystemApps.size() - 1; i >= 0; --i) { 3155 final String pkgName = stubSystemApps.get(i); 3156 // skip if the system package is already disabled 3157 if (mSettings.isDisabledSystemPackageLPr(pkgName)) { 3158 stubSystemApps.remove(i); 3159 continue; 3160 } 3161 // skip if the package isn't installed (?!); this should never happen 3162 final PackageParser.Package pkg = mPackages.get(pkgName); 3163 if (pkg == null) { 3164 stubSystemApps.remove(i); 3165 continue; 3166 } 3167 // skip if the package has been disabled by the user 3168 final PackageSetting ps = mSettings.mPackages.get(pkgName); 3169 if (ps != null) { 3170 final int enabledState = ps.getEnabled(UserHandle.USER_SYSTEM); 3171 if (enabledState == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER) { 3172 stubSystemApps.remove(i); 3173 continue; 3174 } 3175 } 3176 3177 if (DEBUG_COMPRESSION) { 3178 Slog.i(TAG, "Uncompressing system stub; pkg: " + pkgName); 3179 } 3180 3181 // uncompress the binary to its eventual destination on /data 3182 final File scanFile = decompressPackage(pkg); 3183 if (scanFile == null) { 3184 continue; 3185 } 3186 3187 // install the package to replace the stub on /system 3188 try { 3189 mSettings.disableSystemPackageLPw(pkgName, true /*replaced*/); 3190 removePackageLI(pkg, true /*chatty*/); 3191 scanPackageTracedLI(scanFile, 0 /*reparseFlags*/, scanFlags, 0, null); 3192 ps.setEnabled(PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 3193 UserHandle.USER_SYSTEM, "android"); 3194 stubSystemApps.remove(i); 3195 continue; 3196 } catch (PackageManagerException e) { 3197 Slog.e(TAG, "Failed to parse uncompressed system package: " + e.getMessage()); 3198 } 3199 3200 // any failed attempt to install the package will be cleaned up later 3201 } 3202 3203 // disable any stub still left; these failed to install the full application 3204 for (int i = stubSystemApps.size() - 1; i >= 0; --i) { 3205 final String pkgName = stubSystemApps.get(i); 3206 final PackageSetting ps = mSettings.mPackages.get(pkgName); 3207 ps.setEnabled(PackageManager.COMPONENT_ENABLED_STATE_DISABLED, 3208 UserHandle.USER_SYSTEM, "android"); 3209 logCriticalInfo(Log.ERROR, "Stub disabled; pkg: " + pkgName); 3210 } 3211 } 3212 3213 /** 3214 * Decompresses the given package on the system image onto 3215 * the /data partition. 3216 * @return The directory the package was decompressed into. Otherwise, {@code null}. 3217 */ 3218 private File decompressPackage(PackageParser.Package pkg) { 3219 final File[] compressedFiles = getCompressedFiles(pkg.codePath); 3220 if (compressedFiles == null || compressedFiles.length == 0) { 3221 if (DEBUG_COMPRESSION) { 3222 Slog.i(TAG, "No files to decompress: " + pkg.baseCodePath); 3223 } 3224 return null; 3225 } 3226 final File dstCodePath = 3227 getNextCodePath(Environment.getDataAppDirectory(null), pkg.packageName); 3228 int ret = PackageManager.INSTALL_SUCCEEDED; 3229 try { 3230 Os.mkdir(dstCodePath.getAbsolutePath(), 0755); 3231 Os.chmod(dstCodePath.getAbsolutePath(), 0755); 3232 for (File srcFile : compressedFiles) { 3233 final String srcFileName = srcFile.getName(); 3234 final String dstFileName = srcFileName.substring( 3235 0, srcFileName.length() - COMPRESSED_EXTENSION.length()); 3236 final File dstFile = new File(dstCodePath, dstFileName); 3237 ret = decompressFile(srcFile, dstFile); 3238 if (ret != PackageManager.INSTALL_SUCCEEDED) { 3239 logCriticalInfo(Log.ERROR, "Failed to decompress" 3240 + "; pkg: " + pkg.packageName 3241 + ", file: " + dstFileName); 3242 break; 3243 } 3244 } 3245 } catch (ErrnoException e) { 3246 logCriticalInfo(Log.ERROR, "Failed to decompress" 3247 + "; pkg: " + pkg.packageName 3248 + ", err: " + e.errno); 3249 } 3250 if (ret == PackageManager.INSTALL_SUCCEEDED) { 3251 final File libraryRoot = new File(dstCodePath, LIB_DIR_NAME); 3252 NativeLibraryHelper.Handle handle = null; 3253 try { 3254 handle = NativeLibraryHelper.Handle.create(dstCodePath); 3255 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 3256 null /*abiOverride*/); 3257 } catch (IOException e) { 3258 logCriticalInfo(Log.ERROR, "Failed to extract native libraries" 3259 + "; pkg: " + pkg.packageName); 3260 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 3261 } finally { 3262 IoUtils.closeQuietly(handle); 3263 } 3264 } 3265 if (ret != PackageManager.INSTALL_SUCCEEDED) { 3266 if (dstCodePath == null || !dstCodePath.exists()) { 3267 return null; 3268 } 3269 removeCodePathLI(dstCodePath); 3270 return null; 3271 } 3272 3273 return dstCodePath; 3274 } 3275 3276 private void updateInstantAppInstallerLocked(String modifiedPackage) { 3277 // we're only interested in updating the installer appliction when 1) it's not 3278 // already set or 2) the modified package is the installer 3279 if (mInstantAppInstallerActivity != null 3280 && !mInstantAppInstallerActivity.getComponentName().getPackageName() 3281 .equals(modifiedPackage)) { 3282 return; 3283 } 3284 setUpInstantAppInstallerActivityLP(getInstantAppInstallerLPr()); 3285 } 3286 3287 private static File preparePackageParserCache(boolean isUpgrade) { 3288 if (!DEFAULT_PACKAGE_PARSER_CACHE_ENABLED) { 3289 return null; 3290 } 3291 3292 // Disable package parsing on eng builds to allow for faster incremental development. 3293 if (Build.IS_ENG) { 3294 return null; 3295 } 3296 3297 if (SystemProperties.getBoolean("pm.boot.disable_package_cache", false)) { 3298 Slog.i(TAG, "Disabling package parser cache due to system property."); 3299 return null; 3300 } 3301 3302 // The base directory for the package parser cache lives under /data/system/. 3303 final File cacheBaseDir = FileUtils.createDir(Environment.getDataSystemDirectory(), 3304 "package_cache"); 3305 if (cacheBaseDir == null) { 3306 return null; 3307 } 3308 3309 // If this is a system upgrade scenario, delete the contents of the package cache dir. 3310 // This also serves to "GC" unused entries when the package cache version changes (which 3311 // can only happen during upgrades). 3312 if (isUpgrade) { 3313 FileUtils.deleteContents(cacheBaseDir); 3314 } 3315 3316 3317 // Return the versioned package cache directory. This is something like 3318 // "/data/system/package_cache/1" 3319 File cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 3320 3321 // The following is a workaround to aid development on non-numbered userdebug 3322 // builds or cases where "adb sync" is used on userdebug builds. If we detect that 3323 // the system partition is newer. 3324 // 3325 // NOTE: When no BUILD_NUMBER is set by the build system, it defaults to a build 3326 // that starts with "eng." to signify that this is an engineering build and not 3327 // destined for release. 3328 if (Build.IS_USERDEBUG && Build.VERSION.INCREMENTAL.startsWith("eng.")) { 3329 Slog.w(TAG, "Wiping cache directory because the system partition changed."); 3330 3331 // Heuristic: If the /system directory has been modified recently due to an "adb sync" 3332 // or a regular make, then blow away the cache. Note that mtimes are *NOT* reliable 3333 // in general and should not be used for production changes. In this specific case, 3334 // we know that they will work. 3335 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 3336 if (cacheDir.lastModified() < frameworkDir.lastModified()) { 3337 FileUtils.deleteContents(cacheBaseDir); 3338 cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 3339 } 3340 } 3341 3342 return cacheDir; 3343 } 3344 3345 @Override 3346 public boolean isFirstBoot() { 3347 // allow instant applications 3348 return mFirstBoot; 3349 } 3350 3351 @Override 3352 public boolean isOnlyCoreApps() { 3353 // allow instant applications 3354 return mOnlyCore; 3355 } 3356 3357 @Override 3358 public boolean isUpgrade() { 3359 // allow instant applications 3360 // The system property allows testing ota flow when upgraded to the same image. 3361 return mIsUpgrade || SystemProperties.getBoolean( 3362 "persist.pm.mock-upgrade", false /* default */); 3363 } 3364 3365 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 3366 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 3367 3368 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 3369 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3370 UserHandle.USER_SYSTEM, false /*allowDynamicSplits*/); 3371 if (matches.size() == 1) { 3372 return matches.get(0).getComponentInfo().packageName; 3373 } else if (matches.size() == 0) { 3374 Log.e(TAG, "There should probably be a verifier, but, none were found"); 3375 return null; 3376 } 3377 throw new RuntimeException("There must be exactly one verifier; found " + matches); 3378 } 3379 3380 private @NonNull String getRequiredSharedLibraryLPr(String name, int version) { 3381 synchronized (mPackages) { 3382 SharedLibraryEntry libraryEntry = getSharedLibraryEntryLPr(name, version); 3383 if (libraryEntry == null) { 3384 throw new IllegalStateException("Missing required shared library:" + name); 3385 } 3386 return libraryEntry.apk; 3387 } 3388 } 3389 3390 private @NonNull String getRequiredInstallerLPr() { 3391 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 3392 intent.addCategory(Intent.CATEGORY_DEFAULT); 3393 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3394 3395 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3396 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3397 UserHandle.USER_SYSTEM); 3398 if (matches.size() == 1) { 3399 ResolveInfo resolveInfo = matches.get(0); 3400 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 3401 throw new RuntimeException("The installer must be a privileged app"); 3402 } 3403 return matches.get(0).getComponentInfo().packageName; 3404 } else { 3405 throw new RuntimeException("There must be exactly one installer; found " + matches); 3406 } 3407 } 3408 3409 private @NonNull String getRequiredUninstallerLPr() { 3410 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 3411 intent.addCategory(Intent.CATEGORY_DEFAULT); 3412 intent.setData(Uri.fromParts(PACKAGE_SCHEME, "foo.bar", null)); 3413 3414 final ResolveInfo resolveInfo = resolveIntent(intent, null, 3415 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3416 UserHandle.USER_SYSTEM); 3417 if (resolveInfo == null || 3418 mResolveActivity.name.equals(resolveInfo.getComponentInfo().name)) { 3419 throw new RuntimeException("There must be exactly one uninstaller; found " 3420 + resolveInfo); 3421 } 3422 return resolveInfo.getComponentInfo().packageName; 3423 } 3424 3425 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 3426 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 3427 3428 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 3429 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3430 UserHandle.USER_SYSTEM, false /*allowDynamicSplits*/); 3431 ResolveInfo best = null; 3432 final int N = matches.size(); 3433 for (int i = 0; i < N; i++) { 3434 final ResolveInfo cur = matches.get(i); 3435 final String packageName = cur.getComponentInfo().packageName; 3436 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 3437 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 3438 continue; 3439 } 3440 3441 if (best == null || cur.priority > best.priority) { 3442 best = cur; 3443 } 3444 } 3445 3446 if (best != null) { 3447 return best.getComponentInfo().getComponentName(); 3448 } 3449 Slog.w(TAG, "Intent filter verifier not found"); 3450 return null; 3451 } 3452 3453 @Override 3454 public @Nullable ComponentName getInstantAppResolverComponent() { 3455 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 3456 return null; 3457 } 3458 synchronized (mPackages) { 3459 final Pair<ComponentName, String> instantAppResolver = getInstantAppResolverLPr(); 3460 if (instantAppResolver == null) { 3461 return null; 3462 } 3463 return instantAppResolver.first; 3464 } 3465 } 3466 3467 private @Nullable Pair<ComponentName, String> getInstantAppResolverLPr() { 3468 final String[] packageArray = 3469 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 3470 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 3471 if (DEBUG_EPHEMERAL) { 3472 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 3473 } 3474 return null; 3475 } 3476 3477 final int callingUid = Binder.getCallingUid(); 3478 final int resolveFlags = 3479 MATCH_DIRECT_BOOT_AWARE 3480 | MATCH_DIRECT_BOOT_UNAWARE 3481 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3482 String actionName = Intent.ACTION_RESOLVE_INSTANT_APP_PACKAGE; 3483 final Intent resolverIntent = new Intent(actionName); 3484 List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 3485 resolveFlags, UserHandle.USER_SYSTEM, callingUid, false /*includeInstantApps*/); 3486 // temporarily look for the old action 3487 if (resolvers.size() == 0) { 3488 if (DEBUG_EPHEMERAL) { 3489 Slog.d(TAG, "Ephemeral resolver not found with new action; try old one"); 3490 } 3491 actionName = Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE; 3492 resolverIntent.setAction(actionName); 3493 resolvers = queryIntentServicesInternal(resolverIntent, null, 3494 resolveFlags, UserHandle.USER_SYSTEM, callingUid, false /*includeInstantApps*/); 3495 } 3496 final int N = resolvers.size(); 3497 if (N == 0) { 3498 if (DEBUG_EPHEMERAL) { 3499 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 3500 } 3501 return null; 3502 } 3503 3504 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 3505 for (int i = 0; i < N; i++) { 3506 final ResolveInfo info = resolvers.get(i); 3507 3508 if (info.serviceInfo == null) { 3509 continue; 3510 } 3511 3512 final String packageName = info.serviceInfo.packageName; 3513 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 3514 if (DEBUG_EPHEMERAL) { 3515 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 3516 + " pkg: " + packageName + ", info:" + info); 3517 } 3518 continue; 3519 } 3520 3521 if (DEBUG_EPHEMERAL) { 3522 Slog.v(TAG, "Ephemeral resolver found;" 3523 + " pkg: " + packageName + ", info:" + info); 3524 } 3525 return new Pair<>(new ComponentName(packageName, info.serviceInfo.name), actionName); 3526 } 3527 if (DEBUG_EPHEMERAL) { 3528 Slog.v(TAG, "Ephemeral resolver NOT found"); 3529 } 3530 return null; 3531 } 3532 3533 private @Nullable ActivityInfo getInstantAppInstallerLPr() { 3534 final Intent intent = new Intent(Intent.ACTION_INSTALL_INSTANT_APP_PACKAGE); 3535 intent.addCategory(Intent.CATEGORY_DEFAULT); 3536 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3537 3538 final int resolveFlags = 3539 MATCH_DIRECT_BOOT_AWARE 3540 | MATCH_DIRECT_BOOT_UNAWARE 3541 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3542 List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3543 resolveFlags, UserHandle.USER_SYSTEM); 3544 // temporarily look for the old action 3545 if (matches.isEmpty()) { 3546 if (DEBUG_EPHEMERAL) { 3547 Slog.d(TAG, "Ephemeral installer not found with new action; try old one"); 3548 } 3549 intent.setAction(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 3550 matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3551 resolveFlags, UserHandle.USER_SYSTEM); 3552 } 3553 Iterator<ResolveInfo> iter = matches.iterator(); 3554 while (iter.hasNext()) { 3555 final ResolveInfo rInfo = iter.next(); 3556 final PackageSetting ps = mSettings.mPackages.get(rInfo.activityInfo.packageName); 3557 if (ps != null) { 3558 final PermissionsState permissionsState = ps.getPermissionsState(); 3559 if (permissionsState.hasPermission(Manifest.permission.INSTALL_PACKAGES, 0)) { 3560 continue; 3561 } 3562 } 3563 iter.remove(); 3564 } 3565 if (matches.size() == 0) { 3566 return null; 3567 } else if (matches.size() == 1) { 3568 return (ActivityInfo) matches.get(0).getComponentInfo(); 3569 } else { 3570 throw new RuntimeException( 3571 "There must be at most one ephemeral installer; found " + matches); 3572 } 3573 } 3574 3575 private @Nullable ComponentName getInstantAppResolverSettingsLPr( 3576 @NonNull ComponentName resolver) { 3577 final Intent intent = new Intent(Intent.ACTION_INSTANT_APP_RESOLVER_SETTINGS) 3578 .addCategory(Intent.CATEGORY_DEFAULT) 3579 .setPackage(resolver.getPackageName()); 3580 final int resolveFlags = MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3581 List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, resolveFlags, 3582 UserHandle.USER_SYSTEM); 3583 // temporarily look for the old action 3584 if (matches.isEmpty()) { 3585 if (DEBUG_EPHEMERAL) { 3586 Slog.d(TAG, "Ephemeral resolver settings not found with new action; try old one"); 3587 } 3588 intent.setAction(Intent.ACTION_EPHEMERAL_RESOLVER_SETTINGS); 3589 matches = queryIntentActivitiesInternal(intent, null, resolveFlags, 3590 UserHandle.USER_SYSTEM); 3591 } 3592 if (matches.isEmpty()) { 3593 return null; 3594 } 3595 return matches.get(0).getComponentInfo().getComponentName(); 3596 } 3597 3598 private void primeDomainVerificationsLPw(int userId) { 3599 if (DEBUG_DOMAIN_VERIFICATION) { 3600 Slog.d(TAG, "Priming domain verifications in user " + userId); 3601 } 3602 3603 SystemConfig systemConfig = SystemConfig.getInstance(); 3604 ArraySet<String> packages = systemConfig.getLinkedApps(); 3605 3606 for (String packageName : packages) { 3607 PackageParser.Package pkg = mPackages.get(packageName); 3608 if (pkg != null) { 3609 if (!pkg.isSystem()) { 3610 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 3611 continue; 3612 } 3613 3614 ArraySet<String> domains = null; 3615 for (PackageParser.Activity a : pkg.activities) { 3616 for (ActivityIntentInfo filter : a.intents) { 3617 if (hasValidDomains(filter)) { 3618 if (domains == null) { 3619 domains = new ArraySet<String>(); 3620 } 3621 domains.addAll(filter.getHostsList()); 3622 } 3623 } 3624 } 3625 3626 if (domains != null && domains.size() > 0) { 3627 if (DEBUG_DOMAIN_VERIFICATION) { 3628 Slog.v(TAG, " + " + packageName); 3629 } 3630 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 3631 // state w.r.t. the formal app-linkage "no verification attempted" state; 3632 // and then 'always' in the per-user state actually used for intent resolution. 3633 final IntentFilterVerificationInfo ivi; 3634 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, domains); 3635 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 3636 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 3637 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 3638 } else { 3639 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 3640 + "' does not handle web links"); 3641 } 3642 } else { 3643 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 3644 } 3645 } 3646 3647 scheduleWritePackageRestrictionsLocked(userId); 3648 scheduleWriteSettingsLocked(); 3649 } 3650 3651 private void applyFactoryDefaultBrowserLPw(int userId) { 3652 // The default browser app's package name is stored in a string resource, 3653 // with a product-specific overlay used for vendor customization. 3654 String browserPkg = mContext.getResources().getString( 3655 com.android.internal.R.string.default_browser); 3656 if (!TextUtils.isEmpty(browserPkg)) { 3657 // non-empty string => required to be a known package 3658 PackageSetting ps = mSettings.mPackages.get(browserPkg); 3659 if (ps == null) { 3660 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 3661 browserPkg = null; 3662 } else { 3663 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3664 } 3665 } 3666 3667 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3668 // default. If there's more than one, just leave everything alone. 3669 if (browserPkg == null) { 3670 calculateDefaultBrowserLPw(userId); 3671 } 3672 } 3673 3674 private void calculateDefaultBrowserLPw(int userId) { 3675 List<String> allBrowsers = resolveAllBrowserApps(userId); 3676 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3677 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3678 } 3679 3680 private List<String> resolveAllBrowserApps(int userId) { 3681 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3682 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3683 PackageManager.MATCH_ALL, userId); 3684 3685 final int count = list.size(); 3686 List<String> result = new ArrayList<String>(count); 3687 for (int i=0; i<count; i++) { 3688 ResolveInfo info = list.get(i); 3689 if (info.activityInfo == null 3690 || !info.handleAllWebDataURI 3691 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3692 || result.contains(info.activityInfo.packageName)) { 3693 continue; 3694 } 3695 result.add(info.activityInfo.packageName); 3696 } 3697 3698 return result; 3699 } 3700 3701 private boolean packageIsBrowser(String packageName, int userId) { 3702 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3703 PackageManager.MATCH_ALL, userId); 3704 final int N = list.size(); 3705 for (int i = 0; i < N; i++) { 3706 ResolveInfo info = list.get(i); 3707 if (info.priority >= 0 && packageName.equals(info.activityInfo.packageName)) { 3708 return true; 3709 } 3710 } 3711 return false; 3712 } 3713 3714 private void checkDefaultBrowser() { 3715 final int myUserId = UserHandle.myUserId(); 3716 final String packageName = getDefaultBrowserPackageName(myUserId); 3717 if (packageName != null) { 3718 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3719 if (info == null) { 3720 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3721 synchronized (mPackages) { 3722 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3723 } 3724 } 3725 } 3726 } 3727 3728 @Override 3729 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3730 throws RemoteException { 3731 try { 3732 return super.onTransact(code, data, reply, flags); 3733 } catch (RuntimeException e) { 3734 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3735 Slog.wtf(TAG, "Package Manager Crash", e); 3736 } 3737 throw e; 3738 } 3739 } 3740 3741 static int[] appendInts(int[] cur, int[] add) { 3742 if (add == null) return cur; 3743 if (cur == null) return add; 3744 final int N = add.length; 3745 for (int i=0; i<N; i++) { 3746 cur = appendInt(cur, add[i]); 3747 } 3748 return cur; 3749 } 3750 3751 /** 3752 * Returns whether or not a full application can see an instant application. 3753 * <p> 3754 * Currently, there are three cases in which this can occur: 3755 * <ol> 3756 * <li>The calling application is a "special" process. Special processes 3757 * are those with a UID < {@link Process#FIRST_APPLICATION_UID}.</li> 3758 * <li>The calling application has the permission 3759 * {@link android.Manifest.permission#ACCESS_INSTANT_APPS}.</li> 3760 * <li>The calling application is the default launcher on the 3761 * system partition.</li> 3762 * </ol> 3763 */ 3764 private boolean canViewInstantApps(int callingUid, int userId) { 3765 if (callingUid < Process.FIRST_APPLICATION_UID) { 3766 return true; 3767 } 3768 if (mContext.checkCallingOrSelfPermission( 3769 android.Manifest.permission.ACCESS_INSTANT_APPS) == PERMISSION_GRANTED) { 3770 return true; 3771 } 3772 if (mContext.checkCallingOrSelfPermission( 3773 android.Manifest.permission.VIEW_INSTANT_APPS) == PERMISSION_GRANTED) { 3774 final ComponentName homeComponent = getDefaultHomeActivity(userId); 3775 if (homeComponent != null 3776 && isCallerSameApp(homeComponent.getPackageName(), callingUid)) { 3777 return true; 3778 } 3779 } 3780 return false; 3781 } 3782 3783 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3784 if (!sUserManager.exists(userId)) return null; 3785 if (ps == null) { 3786 return null; 3787 } 3788 PackageParser.Package p = ps.pkg; 3789 if (p == null) { 3790 return null; 3791 } 3792 final int callingUid = Binder.getCallingUid(); 3793 // Filter out ephemeral app metadata: 3794 // * The system/shell/root can see metadata for any app 3795 // * An installed app can see metadata for 1) other installed apps 3796 // and 2) ephemeral apps that have explicitly interacted with it 3797 // * Ephemeral apps can only see their own data and exposed installed apps 3798 // * Holding a signature permission allows seeing instant apps 3799 if (filterAppAccessLPr(ps, callingUid, userId)) { 3800 return null; 3801 } 3802 3803 final PermissionsState permissionsState = ps.getPermissionsState(); 3804 3805 // Compute GIDs only if requested 3806 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3807 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3808 // Compute granted permissions only if package has requested permissions 3809 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3810 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3811 final PackageUserState state = ps.readUserState(userId); 3812 3813 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0 3814 && ps.isSystem()) { 3815 flags |= MATCH_ANY_USER; 3816 } 3817 3818 PackageInfo packageInfo = PackageParser.generatePackageInfo(p, gids, flags, 3819 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3820 3821 if (packageInfo == null) { 3822 return null; 3823 } 3824 3825 packageInfo.packageName = packageInfo.applicationInfo.packageName = 3826 resolveExternalPackageNameLPr(p); 3827 3828 return packageInfo; 3829 } 3830 3831 @Override 3832 public void checkPackageStartable(String packageName, int userId) { 3833 final int callingUid = Binder.getCallingUid(); 3834 if (getInstantAppPackageName(callingUid) != null) { 3835 throw new SecurityException("Instant applications don't have access to this method"); 3836 } 3837 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3838 synchronized (mPackages) { 3839 final PackageSetting ps = mSettings.mPackages.get(packageName); 3840 if (ps == null || filterAppAccessLPr(ps, callingUid, userId)) { 3841 throw new SecurityException("Package " + packageName + " was not found!"); 3842 } 3843 3844 if (!ps.getInstalled(userId)) { 3845 throw new SecurityException( 3846 "Package " + packageName + " was not installed for user " + userId + "!"); 3847 } 3848 3849 if (mSafeMode && !ps.isSystem()) { 3850 throw new SecurityException("Package " + packageName + " not a system app!"); 3851 } 3852 3853 if (mFrozenPackages.contains(packageName)) { 3854 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3855 } 3856 3857 if (!userKeyUnlocked && !ps.pkg.applicationInfo.isEncryptionAware()) { 3858 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3859 } 3860 } 3861 } 3862 3863 @Override 3864 public boolean isPackageAvailable(String packageName, int userId) { 3865 if (!sUserManager.exists(userId)) return false; 3866 final int callingUid = Binder.getCallingUid(); 3867 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 3868 false /*requireFullPermission*/, false /*checkShell*/, "is package available"); 3869 synchronized (mPackages) { 3870 PackageParser.Package p = mPackages.get(packageName); 3871 if (p != null) { 3872 final PackageSetting ps = (PackageSetting) p.mExtras; 3873 if (filterAppAccessLPr(ps, callingUid, userId)) { 3874 return false; 3875 } 3876 if (ps != null) { 3877 final PackageUserState state = ps.readUserState(userId); 3878 if (state != null) { 3879 return PackageParser.isAvailable(state); 3880 } 3881 } 3882 } 3883 } 3884 return false; 3885 } 3886 3887 @Override 3888 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3889 return getPackageInfoInternal(packageName, PackageManager.VERSION_CODE_HIGHEST, 3890 flags, Binder.getCallingUid(), userId); 3891 } 3892 3893 @Override 3894 public PackageInfo getPackageInfoVersioned(VersionedPackage versionedPackage, 3895 int flags, int userId) { 3896 return getPackageInfoInternal(versionedPackage.getPackageName(), 3897 versionedPackage.getLongVersionCode(), flags, Binder.getCallingUid(), userId); 3898 } 3899 3900 /** 3901 * Important: The provided filterCallingUid is used exclusively to filter out packages 3902 * that can be seen based on user state. It's typically the original caller uid prior 3903 * to clearing. Because it can only be provided by trusted code, it's value can be 3904 * trusted and will be used as-is; unlike userId which will be validated by this method. 3905 */ 3906 private PackageInfo getPackageInfoInternal(String packageName, long versionCode, 3907 int flags, int filterCallingUid, int userId) { 3908 if (!sUserManager.exists(userId)) return null; 3909 flags = updateFlagsForPackage(flags, userId, packageName); 3910 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 3911 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3912 3913 // reader 3914 synchronized (mPackages) { 3915 // Normalize package name to handle renamed packages and static libs 3916 packageName = resolveInternalPackageNameLPr(packageName, versionCode); 3917 3918 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3919 if (matchFactoryOnly) { 3920 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3921 if (ps != null) { 3922 if (filterSharedLibPackageLPr(ps, filterCallingUid, userId, flags)) { 3923 return null; 3924 } 3925 if (filterAppAccessLPr(ps, filterCallingUid, userId)) { 3926 return null; 3927 } 3928 return generatePackageInfo(ps, flags, userId); 3929 } 3930 } 3931 3932 PackageParser.Package p = mPackages.get(packageName); 3933 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3934 return null; 3935 } 3936 if (DEBUG_PACKAGE_INFO) 3937 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3938 if (p != null) { 3939 final PackageSetting ps = (PackageSetting) p.mExtras; 3940 if (filterSharedLibPackageLPr(ps, filterCallingUid, userId, flags)) { 3941 return null; 3942 } 3943 if (ps != null && filterAppAccessLPr(ps, filterCallingUid, userId)) { 3944 return null; 3945 } 3946 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3947 } 3948 if (!matchFactoryOnly && (flags & MATCH_KNOWN_PACKAGES) != 0) { 3949 final PackageSetting ps = mSettings.mPackages.get(packageName); 3950 if (ps == null) return null; 3951 if (filterSharedLibPackageLPr(ps, filterCallingUid, userId, flags)) { 3952 return null; 3953 } 3954 if (filterAppAccessLPr(ps, filterCallingUid, userId)) { 3955 return null; 3956 } 3957 return generatePackageInfo(ps, flags, userId); 3958 } 3959 } 3960 return null; 3961 } 3962 3963 private boolean isComponentVisibleToInstantApp(@Nullable ComponentName component) { 3964 if (isComponentVisibleToInstantApp(component, TYPE_ACTIVITY)) { 3965 return true; 3966 } 3967 if (isComponentVisibleToInstantApp(component, TYPE_SERVICE)) { 3968 return true; 3969 } 3970 if (isComponentVisibleToInstantApp(component, TYPE_PROVIDER)) { 3971 return true; 3972 } 3973 return false; 3974 } 3975 3976 private boolean isComponentVisibleToInstantApp( 3977 @Nullable ComponentName component, @ComponentType int type) { 3978 if (type == TYPE_ACTIVITY) { 3979 final PackageParser.Activity activity = mActivities.mActivities.get(component); 3980 return activity != null 3981 ? (activity.info.flags & ActivityInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0 3982 : false; 3983 } else if (type == TYPE_RECEIVER) { 3984 final PackageParser.Activity activity = mReceivers.mActivities.get(component); 3985 return activity != null 3986 ? (activity.info.flags & ActivityInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0 3987 : false; 3988 } else if (type == TYPE_SERVICE) { 3989 final PackageParser.Service service = mServices.mServices.get(component); 3990 return service != null 3991 ? (service.info.flags & ServiceInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0 3992 : false; 3993 } else if (type == TYPE_PROVIDER) { 3994 final PackageParser.Provider provider = mProviders.mProviders.get(component); 3995 return provider != null 3996 ? (provider.info.flags & ProviderInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0 3997 : false; 3998 } else if (type == TYPE_UNKNOWN) { 3999 return isComponentVisibleToInstantApp(component); 4000 } 4001 return false; 4002 } 4003 4004 /** 4005 * Returns whether or not access to the application should be filtered. 4006 * <p> 4007 * Access may be limited based upon whether the calling or target applications 4008 * are instant applications. 4009 * 4010 * @see #canAccessInstantApps(int) 4011 */ 4012 private boolean filterAppAccessLPr(@Nullable PackageSetting ps, int callingUid, 4013 @Nullable ComponentName component, @ComponentType int componentType, int userId) { 4014 // if we're in an isolated process, get the real calling UID 4015 if (Process.isIsolated(callingUid)) { 4016 callingUid = mIsolatedOwners.get(callingUid); 4017 } 4018 final String instantAppPkgName = getInstantAppPackageName(callingUid); 4019 final boolean callerIsInstantApp = instantAppPkgName != null; 4020 if (ps == null) { 4021 if (callerIsInstantApp) { 4022 // pretend the application exists, but, needs to be filtered 4023 return true; 4024 } 4025 return false; 4026 } 4027 // if the target and caller are the same application, don't filter 4028 if (isCallerSameApp(ps.name, callingUid)) { 4029 return false; 4030 } 4031 if (callerIsInstantApp) { 4032 // request for a specific component; if it hasn't been explicitly exposed, filter 4033 if (component != null) { 4034 return !isComponentVisibleToInstantApp(component, componentType); 4035 } 4036 // request for application; if no components have been explicitly exposed, filter 4037 return ps.getInstantApp(userId) || !ps.pkg.visibleToInstantApps; 4038 } 4039 if (ps.getInstantApp(userId)) { 4040 // caller can see all components of all instant applications, don't filter 4041 if (canViewInstantApps(callingUid, userId)) { 4042 return false; 4043 } 4044 // request for a specific instant application component, filter 4045 if (component != null) { 4046 return true; 4047 } 4048 // request for an instant application; if the caller hasn't been granted access, filter 4049 return !mInstantAppRegistry.isInstantAccessGranted( 4050 userId, UserHandle.getAppId(callingUid), ps.appId); 4051 } 4052 return false; 4053 } 4054 4055 /** 4056 * @see #filterAppAccessLPr(PackageSetting, int, ComponentName, boolean, int) 4057 */ 4058 private boolean filterAppAccessLPr(@Nullable PackageSetting ps, int callingUid, int userId) { 4059 return filterAppAccessLPr(ps, callingUid, null, TYPE_UNKNOWN, userId); 4060 } 4061 4062 private boolean filterSharedLibPackageLPr(@Nullable PackageSetting ps, int uid, int userId, 4063 int flags) { 4064 // Callers can access only the libs they depend on, otherwise they need to explicitly 4065 // ask for the shared libraries given the caller is allowed to access all static libs. 4066 if ((flags & PackageManager.MATCH_STATIC_SHARED_LIBRARIES) != 0) { 4067 // System/shell/root get to see all static libs 4068 final int appId = UserHandle.getAppId(uid); 4069 if (appId == Process.SYSTEM_UID || appId == Process.SHELL_UID 4070 || appId == Process.ROOT_UID) { 4071 return false; 4072 } 4073 } 4074 4075 // No package means no static lib as it is always on internal storage 4076 if (ps == null || ps.pkg == null || !ps.pkg.applicationInfo.isStaticSharedLibrary()) { 4077 return false; 4078 } 4079 4080 final SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(ps.pkg.staticSharedLibName, 4081 ps.pkg.staticSharedLibVersion); 4082 if (libEntry == null) { 4083 return false; 4084 } 4085 4086 final int resolvedUid = UserHandle.getUid(userId, UserHandle.getAppId(uid)); 4087 final String[] uidPackageNames = getPackagesForUid(resolvedUid); 4088 if (uidPackageNames == null) { 4089 return true; 4090 } 4091 4092 for (String uidPackageName : uidPackageNames) { 4093 if (ps.name.equals(uidPackageName)) { 4094 return false; 4095 } 4096 PackageSetting uidPs = mSettings.getPackageLPr(uidPackageName); 4097 if (uidPs != null) { 4098 final int index = ArrayUtils.indexOf(uidPs.usesStaticLibraries, 4099 libEntry.info.getName()); 4100 if (index < 0) { 4101 continue; 4102 } 4103 if (uidPs.pkg.usesStaticLibrariesVersions[index] == libEntry.info.getLongVersion()) { 4104 return false; 4105 } 4106 } 4107 } 4108 return true; 4109 } 4110 4111 @Override 4112 public String[] currentToCanonicalPackageNames(String[] names) { 4113 final int callingUid = Binder.getCallingUid(); 4114 if (getInstantAppPackageName(callingUid) != null) { 4115 return names; 4116 } 4117 final String[] out = new String[names.length]; 4118 // reader 4119 synchronized (mPackages) { 4120 final int callingUserId = UserHandle.getUserId(callingUid); 4121 final boolean canViewInstantApps = canViewInstantApps(callingUid, callingUserId); 4122 for (int i=names.length-1; i>=0; i--) { 4123 final PackageSetting ps = mSettings.mPackages.get(names[i]); 4124 boolean translateName = false; 4125 if (ps != null && ps.realName != null) { 4126 final boolean targetIsInstantApp = ps.getInstantApp(callingUserId); 4127 translateName = !targetIsInstantApp 4128 || canViewInstantApps 4129 || mInstantAppRegistry.isInstantAccessGranted(callingUserId, 4130 UserHandle.getAppId(callingUid), ps.appId); 4131 } 4132 out[i] = translateName ? ps.realName : names[i]; 4133 } 4134 } 4135 return out; 4136 } 4137 4138 @Override 4139 public String[] canonicalToCurrentPackageNames(String[] names) { 4140 final int callingUid = Binder.getCallingUid(); 4141 if (getInstantAppPackageName(callingUid) != null) { 4142 return names; 4143 } 4144 final String[] out = new String[names.length]; 4145 // reader 4146 synchronized (mPackages) { 4147 final int callingUserId = UserHandle.getUserId(callingUid); 4148 final boolean canViewInstantApps = canViewInstantApps(callingUid, callingUserId); 4149 for (int i=names.length-1; i>=0; i--) { 4150 final String cur = mSettings.getRenamedPackageLPr(names[i]); 4151 boolean translateName = false; 4152 if (cur != null) { 4153 final PackageSetting ps = mSettings.mPackages.get(names[i]); 4154 final boolean targetIsInstantApp = 4155 ps != null && ps.getInstantApp(callingUserId); 4156 translateName = !targetIsInstantApp 4157 || canViewInstantApps 4158 || mInstantAppRegistry.isInstantAccessGranted(callingUserId, 4159 UserHandle.getAppId(callingUid), ps.appId); 4160 } 4161 out[i] = translateName ? cur : names[i]; 4162 } 4163 } 4164 return out; 4165 } 4166 4167 @Override 4168 public int getPackageUid(String packageName, int flags, int userId) { 4169 if (!sUserManager.exists(userId)) return -1; 4170 final int callingUid = Binder.getCallingUid(); 4171 flags = updateFlagsForPackage(flags, userId, packageName); 4172 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 4173 false /*requireFullPermission*/, false /*checkShell*/, "getPackageUid"); 4174 4175 // reader 4176 synchronized (mPackages) { 4177 final PackageParser.Package p = mPackages.get(packageName); 4178 if (p != null && p.isMatch(flags)) { 4179 PackageSetting ps = (PackageSetting) p.mExtras; 4180 if (filterAppAccessLPr(ps, callingUid, userId)) { 4181 return -1; 4182 } 4183 return UserHandle.getUid(userId, p.applicationInfo.uid); 4184 } 4185 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 4186 final PackageSetting ps = mSettings.mPackages.get(packageName); 4187 if (ps != null && ps.isMatch(flags) 4188 && !filterAppAccessLPr(ps, callingUid, userId)) { 4189 return UserHandle.getUid(userId, ps.appId); 4190 } 4191 } 4192 } 4193 4194 return -1; 4195 } 4196 4197 @Override 4198 public int[] getPackageGids(String packageName, int flags, int userId) { 4199 if (!sUserManager.exists(userId)) return null; 4200 final int callingUid = Binder.getCallingUid(); 4201 flags = updateFlagsForPackage(flags, userId, packageName); 4202 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 4203 false /*requireFullPermission*/, false /*checkShell*/, "getPackageGids"); 4204 4205 // reader 4206 synchronized (mPackages) { 4207 final PackageParser.Package p = mPackages.get(packageName); 4208 if (p != null && p.isMatch(flags)) { 4209 PackageSetting ps = (PackageSetting) p.mExtras; 4210 if (filterAppAccessLPr(ps, callingUid, userId)) { 4211 return null; 4212 } 4213 // TODO: Shouldn't this be checking for package installed state for userId and 4214 // return null? 4215 return ps.getPermissionsState().computeGids(userId); 4216 } 4217 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 4218 final PackageSetting ps = mSettings.mPackages.get(packageName); 4219 if (ps != null && ps.isMatch(flags) 4220 && !filterAppAccessLPr(ps, callingUid, userId)) { 4221 return ps.getPermissionsState().computeGids(userId); 4222 } 4223 } 4224 } 4225 4226 return null; 4227 } 4228 4229 @Override 4230 public PermissionInfo getPermissionInfo(String name, String packageName, int flags) { 4231 return mPermissionManager.getPermissionInfo(name, packageName, flags, getCallingUid()); 4232 } 4233 4234 @Override 4235 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String groupName, 4236 int flags) { 4237 final List<PermissionInfo> permissionList = 4238 mPermissionManager.getPermissionInfoByGroup(groupName, flags, getCallingUid()); 4239 return (permissionList == null) ? null : new ParceledListSlice<>(permissionList); 4240 } 4241 4242 @Override 4243 public PermissionGroupInfo getPermissionGroupInfo(String groupName, int flags) { 4244 return mPermissionManager.getPermissionGroupInfo(groupName, flags, getCallingUid()); 4245 } 4246 4247 @Override 4248 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 4249 final List<PermissionGroupInfo> permissionList = 4250 mPermissionManager.getAllPermissionGroups(flags, getCallingUid()); 4251 return (permissionList == null) 4252 ? ParceledListSlice.emptyList() : new ParceledListSlice<>(permissionList); 4253 } 4254 4255 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 4256 int filterCallingUid, int userId) { 4257 if (!sUserManager.exists(userId)) return null; 4258 PackageSetting ps = mSettings.mPackages.get(packageName); 4259 if (ps != null) { 4260 if (filterSharedLibPackageLPr(ps, filterCallingUid, userId, flags)) { 4261 return null; 4262 } 4263 if (filterAppAccessLPr(ps, filterCallingUid, userId)) { 4264 return null; 4265 } 4266 if (ps.pkg == null) { 4267 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 4268 if (pInfo != null) { 4269 return pInfo.applicationInfo; 4270 } 4271 return null; 4272 } 4273 ApplicationInfo ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 4274 ps.readUserState(userId), userId); 4275 if (ai != null) { 4276 ai.packageName = resolveExternalPackageNameLPr(ps.pkg); 4277 } 4278 return ai; 4279 } 4280 return null; 4281 } 4282 4283 @Override 4284 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 4285 return getApplicationInfoInternal(packageName, flags, Binder.getCallingUid(), userId); 4286 } 4287 4288 /** 4289 * Important: The provided filterCallingUid is used exclusively to filter out applications 4290 * that can be seen based on user state. It's typically the original caller uid prior 4291 * to clearing. Because it can only be provided by trusted code, it's value can be 4292 * trusted and will be used as-is; unlike userId which will be validated by this method. 4293 */ 4294 private ApplicationInfo getApplicationInfoInternal(String packageName, int flags, 4295 int filterCallingUid, int userId) { 4296 if (!sUserManager.exists(userId)) return null; 4297 flags = updateFlagsForApplication(flags, userId, packageName); 4298 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 4299 false /* requireFullPermission */, false /* checkShell */, "get application info"); 4300 4301 // writer 4302 synchronized (mPackages) { 4303 // Normalize package name to handle renamed packages and static libs 4304 packageName = resolveInternalPackageNameLPr(packageName, 4305 PackageManager.VERSION_CODE_HIGHEST); 4306 4307 PackageParser.Package p = mPackages.get(packageName); 4308 if (DEBUG_PACKAGE_INFO) Log.v( 4309 TAG, "getApplicationInfo " + packageName 4310 + ": " + p); 4311 if (p != null) { 4312 PackageSetting ps = mSettings.mPackages.get(packageName); 4313 if (ps == null) return null; 4314 if (filterSharedLibPackageLPr(ps, filterCallingUid, userId, flags)) { 4315 return null; 4316 } 4317 if (filterAppAccessLPr(ps, filterCallingUid, userId)) { 4318 return null; 4319 } 4320 // Note: isEnabledLP() does not apply here - always return info 4321 ApplicationInfo ai = PackageParser.generateApplicationInfo( 4322 p, flags, ps.readUserState(userId), userId); 4323 if (ai != null) { 4324 ai.packageName = resolveExternalPackageNameLPr(p); 4325 } 4326 return ai; 4327 } 4328 if ("android".equals(packageName)||"system".equals(packageName)) { 4329 return mAndroidApplication; 4330 } 4331 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 4332 // Already generates the external package name 4333 return generateApplicationInfoFromSettingsLPw(packageName, 4334 flags, filterCallingUid, userId); 4335 } 4336 } 4337 return null; 4338 } 4339 4340 private String normalizePackageNameLPr(String packageName) { 4341 String normalizedPackageName = mSettings.getRenamedPackageLPr(packageName); 4342 return normalizedPackageName != null ? normalizedPackageName : packageName; 4343 } 4344 4345 @Override 4346 public void deletePreloadsFileCache() { 4347 if (!UserHandle.isSameApp(Binder.getCallingUid(), Process.SYSTEM_UID)) { 4348 throw new SecurityException("Only system or settings may call deletePreloadsFileCache"); 4349 } 4350 File dir = Environment.getDataPreloadsFileCacheDirectory(); 4351 Slog.i(TAG, "Deleting preloaded file cache " + dir); 4352 FileUtils.deleteContents(dir); 4353 } 4354 4355 @Override 4356 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 4357 final int storageFlags, final IPackageDataObserver observer) { 4358 mContext.enforceCallingOrSelfPermission( 4359 android.Manifest.permission.CLEAR_APP_CACHE, null); 4360 mHandler.post(() -> { 4361 boolean success = false; 4362 try { 4363 freeStorage(volumeUuid, freeStorageSize, storageFlags); 4364 success = true; 4365 } catch (IOException e) { 4366 Slog.w(TAG, e); 4367 } 4368 if (observer != null) { 4369 try { 4370 observer.onRemoveCompleted(null, success); 4371 } catch (RemoteException e) { 4372 Slog.w(TAG, e); 4373 } 4374 } 4375 }); 4376 } 4377 4378 @Override 4379 public void freeStorage(final String volumeUuid, final long freeStorageSize, 4380 final int storageFlags, final IntentSender pi) { 4381 mContext.enforceCallingOrSelfPermission( 4382 android.Manifest.permission.CLEAR_APP_CACHE, TAG); 4383 mHandler.post(() -> { 4384 boolean success = false; 4385 try { 4386 freeStorage(volumeUuid, freeStorageSize, storageFlags); 4387 success = true; 4388 } catch (IOException e) { 4389 Slog.w(TAG, e); 4390 } 4391 if (pi != null) { 4392 try { 4393 pi.sendIntent(null, success ? 1 : 0, null, null, null); 4394 } catch (SendIntentException e) { 4395 Slog.w(TAG, e); 4396 } 4397 } 4398 }); 4399 } 4400 4401 /** 4402 * Blocking call to clear various types of cached data across the system 4403 * until the requested bytes are available. 4404 */ 4405 public void freeStorage(String volumeUuid, long bytes, int storageFlags) throws IOException { 4406 final StorageManager storage = mContext.getSystemService(StorageManager.class); 4407 final File file = storage.findPathForUuid(volumeUuid); 4408 if (file.getUsableSpace() >= bytes) return; 4409 4410 if (ENABLE_FREE_CACHE_V2) { 4411 final boolean internalVolume = Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, 4412 volumeUuid); 4413 final boolean aggressive = (storageFlags 4414 & StorageManager.FLAG_ALLOCATE_AGGRESSIVE) != 0; 4415 final long reservedBytes = storage.getStorageCacheBytes(file, storageFlags); 4416 4417 // 1. Pre-flight to determine if we have any chance to succeed 4418 // 2. Consider preloaded data (after 1w honeymoon, unless aggressive) 4419 if (internalVolume && (aggressive || SystemProperties 4420 .getBoolean("persist.sys.preloads.file_cache_expired", false))) { 4421 deletePreloadsFileCache(); 4422 if (file.getUsableSpace() >= bytes) return; 4423 } 4424 4425 // 3. Consider parsed APK data (aggressive only) 4426 if (internalVolume && aggressive) { 4427 FileUtils.deleteContents(mCacheDir); 4428 if (file.getUsableSpace() >= bytes) return; 4429 } 4430 4431 // 4. Consider cached app data (above quotas) 4432 try { 4433 mInstaller.freeCache(volumeUuid, bytes, reservedBytes, 4434 Installer.FLAG_FREE_CACHE_V2); 4435 } catch (InstallerException ignored) { 4436 } 4437 if (file.getUsableSpace() >= bytes) return; 4438 4439 // 5. Consider shared libraries with refcount=0 and age>min cache period 4440 if (internalVolume && pruneUnusedStaticSharedLibraries(bytes, 4441 android.provider.Settings.Global.getLong(mContext.getContentResolver(), 4442 Global.UNUSED_STATIC_SHARED_LIB_MIN_CACHE_PERIOD, 4443 DEFAULT_UNUSED_STATIC_SHARED_LIB_MIN_CACHE_PERIOD))) { 4444 return; 4445 } 4446 4447 // 6. Consider dexopt output (aggressive only) 4448 // TODO: Implement 4449 4450 // 7. Consider installed instant apps unused longer than min cache period 4451 if (internalVolume && mInstantAppRegistry.pruneInstalledInstantApps(bytes, 4452 android.provider.Settings.Global.getLong(mContext.getContentResolver(), 4453 Global.INSTALLED_INSTANT_APP_MIN_CACHE_PERIOD, 4454 InstantAppRegistry.DEFAULT_INSTALLED_INSTANT_APP_MIN_CACHE_PERIOD))) { 4455 return; 4456 } 4457 4458 // 8. Consider cached app data (below quotas) 4459 try { 4460 mInstaller.freeCache(volumeUuid, bytes, reservedBytes, 4461 Installer.FLAG_FREE_CACHE_V2 | Installer.FLAG_FREE_CACHE_V2_DEFY_QUOTA); 4462 } catch (InstallerException ignored) { 4463 } 4464 if (file.getUsableSpace() >= bytes) return; 4465 4466 // 9. Consider DropBox entries 4467 // TODO: Implement 4468 4469 // 10. Consider instant meta-data (uninstalled apps) older that min cache period 4470 if (internalVolume && mInstantAppRegistry.pruneUninstalledInstantApps(bytes, 4471 android.provider.Settings.Global.getLong(mContext.getContentResolver(), 4472 Global.UNINSTALLED_INSTANT_APP_MIN_CACHE_PERIOD, 4473 InstantAppRegistry.DEFAULT_UNINSTALLED_INSTANT_APP_MIN_CACHE_PERIOD))) { 4474 return; 4475 } 4476 } else { 4477 try { 4478 mInstaller.freeCache(volumeUuid, bytes, 0, 0); 4479 } catch (InstallerException ignored) { 4480 } 4481 if (file.getUsableSpace() >= bytes) return; 4482 } 4483 4484 throw new IOException("Failed to free " + bytes + " on storage device at " + file); 4485 } 4486 4487 private boolean pruneUnusedStaticSharedLibraries(long neededSpace, long maxCachePeriod) 4488 throws IOException { 4489 final StorageManager storage = mContext.getSystemService(StorageManager.class); 4490 final File volume = storage.findPathForUuid(StorageManager.UUID_PRIVATE_INTERNAL); 4491 4492 List<VersionedPackage> packagesToDelete = null; 4493 final long now = System.currentTimeMillis(); 4494 4495 synchronized (mPackages) { 4496 final int[] allUsers = sUserManager.getUserIds(); 4497 final int libCount = mSharedLibraries.size(); 4498 for (int i = 0; i < libCount; i++) { 4499 final LongSparseArray<SharedLibraryEntry> versionedLib 4500 = mSharedLibraries.valueAt(i); 4501 if (versionedLib == null) { 4502 continue; 4503 } 4504 final int versionCount = versionedLib.size(); 4505 for (int j = 0; j < versionCount; j++) { 4506 SharedLibraryInfo libInfo = versionedLib.valueAt(j).info; 4507 // Skip packages that are not static shared libs. 4508 if (!libInfo.isStatic()) { 4509 break; 4510 } 4511 // Important: We skip static shared libs used for some user since 4512 // in such a case we need to keep the APK on the device. The check for 4513 // a lib being used for any user is performed by the uninstall call. 4514 final VersionedPackage declaringPackage = libInfo.getDeclaringPackage(); 4515 // Resolve the package name - we use synthetic package names internally 4516 final String internalPackageName = resolveInternalPackageNameLPr( 4517 declaringPackage.getPackageName(), 4518 declaringPackage.getLongVersionCode()); 4519 final PackageSetting ps = mSettings.getPackageLPr(internalPackageName); 4520 // Skip unused static shared libs cached less than the min period 4521 // to prevent pruning a lib needed by a subsequently installed package. 4522 if (ps == null || now - ps.lastUpdateTime < maxCachePeriod) { 4523 continue; 4524 } 4525 if (packagesToDelete == null) { 4526 packagesToDelete = new ArrayList<>(); 4527 } 4528 packagesToDelete.add(new VersionedPackage(internalPackageName, 4529 declaringPackage.getLongVersionCode())); 4530 } 4531 } 4532 } 4533 4534 if (packagesToDelete != null) { 4535 final int packageCount = packagesToDelete.size(); 4536 for (int i = 0; i < packageCount; i++) { 4537 final VersionedPackage pkgToDelete = packagesToDelete.get(i); 4538 // Delete the package synchronously (will fail of the lib used for any user). 4539 if (deletePackageX(pkgToDelete.getPackageName(), pkgToDelete.getLongVersionCode(), 4540 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS) 4541 == PackageManager.DELETE_SUCCEEDED) { 4542 if (volume.getUsableSpace() >= neededSpace) { 4543 return true; 4544 } 4545 } 4546 } 4547 } 4548 4549 return false; 4550 } 4551 4552 /** 4553 * Update given flags based on encryption status of current user. 4554 */ 4555 private int updateFlags(int flags, int userId) { 4556 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 4557 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 4558 // Caller expressed an explicit opinion about what encryption 4559 // aware/unaware components they want to see, so fall through and 4560 // give them what they want 4561 } else { 4562 // Caller expressed no opinion, so match based on user state 4563 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 4564 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 4565 } else { 4566 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 4567 } 4568 } 4569 return flags; 4570 } 4571 4572 private UserManagerInternal getUserManagerInternal() { 4573 if (mUserManagerInternal == null) { 4574 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 4575 } 4576 return mUserManagerInternal; 4577 } 4578 4579 private DeviceIdleController.LocalService getDeviceIdleController() { 4580 if (mDeviceIdleController == null) { 4581 mDeviceIdleController = 4582 LocalServices.getService(DeviceIdleController.LocalService.class); 4583 } 4584 return mDeviceIdleController; 4585 } 4586 4587 /** 4588 * Update given flags when being used to request {@link PackageInfo}. 4589 */ 4590 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 4591 final boolean isCallerSystemUser = UserHandle.getCallingUserId() == UserHandle.USER_SYSTEM; 4592 boolean triaged = true; 4593 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 4594 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 4595 // Caller is asking for component details, so they'd better be 4596 // asking for specific encryption matching behavior, or be triaged 4597 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 4598 | PackageManager.MATCH_DIRECT_BOOT_AWARE 4599 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 4600 triaged = false; 4601 } 4602 } 4603 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 4604 | PackageManager.MATCH_SYSTEM_ONLY 4605 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 4606 triaged = false; 4607 } 4608 if ((flags & PackageManager.MATCH_ANY_USER) != 0) { 4609 mPermissionManager.enforceCrossUserPermission( 4610 Binder.getCallingUid(), userId, false, false, 4611 "MATCH_ANY_USER flag requires INTERACT_ACROSS_USERS permission at " 4612 + Debug.getCallers(5)); 4613 } else if ((flags & PackageManager.MATCH_UNINSTALLED_PACKAGES) != 0 && isCallerSystemUser 4614 && sUserManager.hasManagedProfile(UserHandle.USER_SYSTEM)) { 4615 // If the caller wants all packages and has a restricted profile associated with it, 4616 // then match all users. This is to make sure that launchers that need to access work 4617 // profile apps don't start breaking. TODO: Remove this hack when launchers stop using 4618 // MATCH_UNINSTALLED_PACKAGES to query apps in other profiles. b/31000380 4619 flags |= PackageManager.MATCH_ANY_USER; 4620 } 4621 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 4622 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 4623 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 4624 } 4625 return updateFlags(flags, userId); 4626 } 4627 4628 /** 4629 * Update given flags when being used to request {@link ApplicationInfo}. 4630 */ 4631 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 4632 return updateFlagsForPackage(flags, userId, cookie); 4633 } 4634 4635 /** 4636 * Update given flags when being used to request {@link ComponentInfo}. 4637 */ 4638 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 4639 if (cookie instanceof Intent) { 4640 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 4641 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 4642 } 4643 } 4644 4645 boolean triaged = true; 4646 // Caller is asking for component details, so they'd better be 4647 // asking for specific encryption matching behavior, or be triaged 4648 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 4649 | PackageManager.MATCH_DIRECT_BOOT_AWARE 4650 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 4651 triaged = false; 4652 } 4653 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 4654 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 4655 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 4656 } 4657 4658 return updateFlags(flags, userId); 4659 } 4660 4661 /** 4662 * Update given intent when being used to request {@link ResolveInfo}. 4663 */ 4664 private Intent updateIntentForResolve(Intent intent) { 4665 if (intent.getSelector() != null) { 4666 intent = intent.getSelector(); 4667 } 4668 if (DEBUG_PREFERRED) { 4669 intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4670 } 4671 return intent; 4672 } 4673 4674 /** 4675 * Update given flags when being used to request {@link ResolveInfo}. 4676 * <p>Instant apps are resolved specially, depending upon context. Minimally, 4677 * {@code}flags{@code} must have the {@link PackageManager#MATCH_INSTANT} 4678 * flag set. However, this flag is only honoured in three circumstances: 4679 * <ul> 4680 * <li>when called from a system process</li> 4681 * <li>when the caller holds the permission {@code android.permission.ACCESS_INSTANT_APPS}</li> 4682 * <li>when resolution occurs to start an activity with a {@code android.intent.action.VIEW} 4683 * action and a {@code android.intent.category.BROWSABLE} category</li> 4684 * </ul> 4685 */ 4686 int updateFlagsForResolve(int flags, int userId, Intent intent, int callingUid) { 4687 return updateFlagsForResolve(flags, userId, intent, callingUid, 4688 false /*wantInstantApps*/, false /*onlyExposedExplicitly*/); 4689 } 4690 int updateFlagsForResolve(int flags, int userId, Intent intent, int callingUid, 4691 boolean wantInstantApps) { 4692 return updateFlagsForResolve(flags, userId, intent, callingUid, 4693 wantInstantApps, false /*onlyExposedExplicitly*/); 4694 } 4695 int updateFlagsForResolve(int flags, int userId, Intent intent, int callingUid, 4696 boolean wantInstantApps, boolean onlyExposedExplicitly) { 4697 // Safe mode means we shouldn't match any third-party components 4698 if (mSafeMode) { 4699 flags |= PackageManager.MATCH_SYSTEM_ONLY; 4700 } 4701 if (getInstantAppPackageName(callingUid) != null) { 4702 // But, ephemeral apps see both ephemeral and exposed, non-ephemeral components 4703 if (onlyExposedExplicitly) { 4704 flags |= PackageManager.MATCH_EXPLICITLY_VISIBLE_ONLY; 4705 } 4706 flags |= PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY; 4707 flags |= PackageManager.MATCH_INSTANT; 4708 } else { 4709 final boolean wantMatchInstant = (flags & PackageManager.MATCH_INSTANT) != 0; 4710 final boolean allowMatchInstant = 4711 (wantInstantApps 4712 && Intent.ACTION_VIEW.equals(intent.getAction()) 4713 && hasWebURI(intent)) 4714 || (wantMatchInstant && canViewInstantApps(callingUid, userId)); 4715 flags &= ~(PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY 4716 | PackageManager.MATCH_EXPLICITLY_VISIBLE_ONLY); 4717 if (!allowMatchInstant) { 4718 flags &= ~PackageManager.MATCH_INSTANT; 4719 } 4720 } 4721 return updateFlagsForComponent(flags, userId, intent /*cookie*/); 4722 } 4723 4724 @Override 4725 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 4726 return getActivityInfoInternal(component, flags, Binder.getCallingUid(), userId); 4727 } 4728 4729 /** 4730 * Important: The provided filterCallingUid is used exclusively to filter out activities 4731 * that can be seen based on user state. It's typically the original caller uid prior 4732 * to clearing. Because it can only be provided by trusted code, it's value can be 4733 * trusted and will be used as-is; unlike userId which will be validated by this method. 4734 */ 4735 private ActivityInfo getActivityInfoInternal(ComponentName component, int flags, 4736 int filterCallingUid, int userId) { 4737 if (!sUserManager.exists(userId)) return null; 4738 flags = updateFlagsForComponent(flags, userId, component); 4739 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 4740 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 4741 synchronized (mPackages) { 4742 PackageParser.Activity a = mActivities.mActivities.get(component); 4743 4744 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 4745 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 4746 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4747 if (ps == null) return null; 4748 if (filterAppAccessLPr(ps, filterCallingUid, component, TYPE_ACTIVITY, userId)) { 4749 return null; 4750 } 4751 return PackageParser.generateActivityInfo( 4752 a, flags, ps.readUserState(userId), userId); 4753 } 4754 if (mResolveComponentName.equals(component)) { 4755 return PackageParser.generateActivityInfo( 4756 mResolveActivity, flags, new PackageUserState(), userId); 4757 } 4758 } 4759 return null; 4760 } 4761 4762 @Override 4763 public boolean activitySupportsIntent(ComponentName component, Intent intent, 4764 String resolvedType) { 4765 synchronized (mPackages) { 4766 if (component.equals(mResolveComponentName)) { 4767 // The resolver supports EVERYTHING! 4768 return true; 4769 } 4770 final int callingUid = Binder.getCallingUid(); 4771 final int callingUserId = UserHandle.getUserId(callingUid); 4772 PackageParser.Activity a = mActivities.mActivities.get(component); 4773 if (a == null) { 4774 return false; 4775 } 4776 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4777 if (ps == null) { 4778 return false; 4779 } 4780 if (filterAppAccessLPr(ps, callingUid, component, TYPE_ACTIVITY, callingUserId)) { 4781 return false; 4782 } 4783 for (int i=0; i<a.intents.size(); i++) { 4784 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 4785 intent.getData(), intent.getCategories(), TAG) >= 0) { 4786 return true; 4787 } 4788 } 4789 return false; 4790 } 4791 } 4792 4793 @Override 4794 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 4795 if (!sUserManager.exists(userId)) return null; 4796 final int callingUid = Binder.getCallingUid(); 4797 flags = updateFlagsForComponent(flags, userId, component); 4798 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 4799 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 4800 synchronized (mPackages) { 4801 PackageParser.Activity a = mReceivers.mActivities.get(component); 4802 if (DEBUG_PACKAGE_INFO) Log.v( 4803 TAG, "getReceiverInfo " + component + ": " + a); 4804 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 4805 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4806 if (ps == null) return null; 4807 if (filterAppAccessLPr(ps, callingUid, component, TYPE_RECEIVER, userId)) { 4808 return null; 4809 } 4810 return PackageParser.generateActivityInfo( 4811 a, flags, ps.readUserState(userId), userId); 4812 } 4813 } 4814 return null; 4815 } 4816 4817 @Override 4818 public ParceledListSlice<SharedLibraryInfo> getSharedLibraries(String packageName, 4819 int flags, int userId) { 4820 if (!sUserManager.exists(userId)) return null; 4821 Preconditions.checkArgumentNonnegative(userId, "userId must be >= 0"); 4822 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 4823 return null; 4824 } 4825 4826 flags = updateFlagsForPackage(flags, userId, null); 4827 4828 final boolean canSeeStaticLibraries = 4829 mContext.checkCallingOrSelfPermission(INSTALL_PACKAGES) 4830 == PERMISSION_GRANTED 4831 || mContext.checkCallingOrSelfPermission(DELETE_PACKAGES) 4832 == PERMISSION_GRANTED 4833 || canRequestPackageInstallsInternal(packageName, 4834 PackageManager.MATCH_STATIC_SHARED_LIBRARIES, userId, 4835 false /* throwIfPermNotDeclared*/) 4836 || mContext.checkCallingOrSelfPermission(REQUEST_DELETE_PACKAGES) 4837 == PERMISSION_GRANTED; 4838 4839 synchronized (mPackages) { 4840 List<SharedLibraryInfo> result = null; 4841 4842 final int libCount = mSharedLibraries.size(); 4843 for (int i = 0; i < libCount; i++) { 4844 LongSparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 4845 if (versionedLib == null) { 4846 continue; 4847 } 4848 4849 final int versionCount = versionedLib.size(); 4850 for (int j = 0; j < versionCount; j++) { 4851 SharedLibraryInfo libInfo = versionedLib.valueAt(j).info; 4852 if (!canSeeStaticLibraries && libInfo.isStatic()) { 4853 break; 4854 } 4855 final long identity = Binder.clearCallingIdentity(); 4856 try { 4857 PackageInfo packageInfo = getPackageInfoVersioned( 4858 libInfo.getDeclaringPackage(), flags 4859 | PackageManager.MATCH_STATIC_SHARED_LIBRARIES, userId); 4860 if (packageInfo == null) { 4861 continue; 4862 } 4863 } finally { 4864 Binder.restoreCallingIdentity(identity); 4865 } 4866 4867 SharedLibraryInfo resLibInfo = new SharedLibraryInfo(libInfo.getName(), 4868 libInfo.getLongVersion(), libInfo.getType(), 4869 libInfo.getDeclaringPackage(), getPackagesUsingSharedLibraryLPr(libInfo, 4870 flags, userId)); 4871 4872 if (result == null) { 4873 result = new ArrayList<>(); 4874 } 4875 result.add(resLibInfo); 4876 } 4877 } 4878 4879 return result != null ? new ParceledListSlice<>(result) : null; 4880 } 4881 } 4882 4883 private List<VersionedPackage> getPackagesUsingSharedLibraryLPr( 4884 SharedLibraryInfo libInfo, int flags, int userId) { 4885 List<VersionedPackage> versionedPackages = null; 4886 final int packageCount = mSettings.mPackages.size(); 4887 for (int i = 0; i < packageCount; i++) { 4888 PackageSetting ps = mSettings.mPackages.valueAt(i); 4889 4890 if (ps == null) { 4891 continue; 4892 } 4893 4894 if (!ps.getUserState().get(userId).isAvailable(flags)) { 4895 continue; 4896 } 4897 4898 final String libName = libInfo.getName(); 4899 if (libInfo.isStatic()) { 4900 final int libIdx = ArrayUtils.indexOf(ps.usesStaticLibraries, libName); 4901 if (libIdx < 0) { 4902 continue; 4903 } 4904 if (ps.usesStaticLibrariesVersions[libIdx] != libInfo.getLongVersion()) { 4905 continue; 4906 } 4907 if (versionedPackages == null) { 4908 versionedPackages = new ArrayList<>(); 4909 } 4910 // If the dependent is a static shared lib, use the public package name 4911 String dependentPackageName = ps.name; 4912 if (ps.pkg != null && ps.pkg.applicationInfo.isStaticSharedLibrary()) { 4913 dependentPackageName = ps.pkg.manifestPackageName; 4914 } 4915 versionedPackages.add(new VersionedPackage(dependentPackageName, ps.versionCode)); 4916 } else if (ps.pkg != null) { 4917 if (ArrayUtils.contains(ps.pkg.usesLibraries, libName) 4918 || ArrayUtils.contains(ps.pkg.usesOptionalLibraries, libName)) { 4919 if (versionedPackages == null) { 4920 versionedPackages = new ArrayList<>(); 4921 } 4922 versionedPackages.add(new VersionedPackage(ps.name, ps.versionCode)); 4923 } 4924 } 4925 } 4926 4927 return versionedPackages; 4928 } 4929 4930 @Override 4931 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 4932 if (!sUserManager.exists(userId)) return null; 4933 final int callingUid = Binder.getCallingUid(); 4934 flags = updateFlagsForComponent(flags, userId, component); 4935 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 4936 false /* requireFullPermission */, false /* checkShell */, "get service info"); 4937 synchronized (mPackages) { 4938 PackageParser.Service s = mServices.mServices.get(component); 4939 if (DEBUG_PACKAGE_INFO) Log.v( 4940 TAG, "getServiceInfo " + component + ": " + s); 4941 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 4942 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4943 if (ps == null) return null; 4944 if (filterAppAccessLPr(ps, callingUid, component, TYPE_SERVICE, userId)) { 4945 return null; 4946 } 4947 return PackageParser.generateServiceInfo( 4948 s, flags, ps.readUserState(userId), userId); 4949 } 4950 } 4951 return null; 4952 } 4953 4954 @Override 4955 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 4956 if (!sUserManager.exists(userId)) return null; 4957 final int callingUid = Binder.getCallingUid(); 4958 flags = updateFlagsForComponent(flags, userId, component); 4959 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 4960 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 4961 synchronized (mPackages) { 4962 PackageParser.Provider p = mProviders.mProviders.get(component); 4963 if (DEBUG_PACKAGE_INFO) Log.v( 4964 TAG, "getProviderInfo " + component + ": " + p); 4965 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 4966 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4967 if (ps == null) return null; 4968 if (filterAppAccessLPr(ps, callingUid, component, TYPE_PROVIDER, userId)) { 4969 return null; 4970 } 4971 return PackageParser.generateProviderInfo( 4972 p, flags, ps.readUserState(userId), userId); 4973 } 4974 } 4975 return null; 4976 } 4977 4978 @Override 4979 public String[] getSystemSharedLibraryNames() { 4980 // allow instant applications 4981 synchronized (mPackages) { 4982 Set<String> libs = null; 4983 final int libCount = mSharedLibraries.size(); 4984 for (int i = 0; i < libCount; i++) { 4985 LongSparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 4986 if (versionedLib == null) { 4987 continue; 4988 } 4989 final int versionCount = versionedLib.size(); 4990 for (int j = 0; j < versionCount; j++) { 4991 SharedLibraryEntry libEntry = versionedLib.valueAt(j); 4992 if (!libEntry.info.isStatic()) { 4993 if (libs == null) { 4994 libs = new ArraySet<>(); 4995 } 4996 libs.add(libEntry.info.getName()); 4997 break; 4998 } 4999 PackageSetting ps = mSettings.getPackageLPr(libEntry.apk); 5000 if (ps != null && !filterSharedLibPackageLPr(ps, Binder.getCallingUid(), 5001 UserHandle.getUserId(Binder.getCallingUid()), 5002 PackageManager.MATCH_STATIC_SHARED_LIBRARIES)) { 5003 if (libs == null) { 5004 libs = new ArraySet<>(); 5005 } 5006 libs.add(libEntry.info.getName()); 5007 break; 5008 } 5009 } 5010 } 5011 5012 if (libs != null) { 5013 String[] libsArray = new String[libs.size()]; 5014 libs.toArray(libsArray); 5015 return libsArray; 5016 } 5017 5018 return null; 5019 } 5020 } 5021 5022 @Override 5023 public @NonNull String getServicesSystemSharedLibraryPackageName() { 5024 // allow instant applications 5025 synchronized (mPackages) { 5026 return mServicesSystemSharedLibraryPackageName; 5027 } 5028 } 5029 5030 @Override 5031 public @NonNull String getSharedSystemSharedLibraryPackageName() { 5032 // allow instant applications 5033 synchronized (mPackages) { 5034 return mSharedSystemSharedLibraryPackageName; 5035 } 5036 } 5037 5038 private void updateSequenceNumberLP(PackageSetting pkgSetting, int[] userList) { 5039 for (int i = userList.length - 1; i >= 0; --i) { 5040 final int userId = userList[i]; 5041 // don't add instant app to the list of updates 5042 if (pkgSetting.getInstantApp(userId)) { 5043 continue; 5044 } 5045 SparseArray<String> changedPackages = mChangedPackages.get(userId); 5046 if (changedPackages == null) { 5047 changedPackages = new SparseArray<>(); 5048 mChangedPackages.put(userId, changedPackages); 5049 } 5050 Map<String, Integer> sequenceNumbers = mChangedPackagesSequenceNumbers.get(userId); 5051 if (sequenceNumbers == null) { 5052 sequenceNumbers = new HashMap<>(); 5053 mChangedPackagesSequenceNumbers.put(userId, sequenceNumbers); 5054 } 5055 final Integer sequenceNumber = sequenceNumbers.get(pkgSetting.name); 5056 if (sequenceNumber != null) { 5057 changedPackages.remove(sequenceNumber); 5058 } 5059 changedPackages.put(mChangedPackagesSequenceNumber, pkgSetting.name); 5060 sequenceNumbers.put(pkgSetting.name, mChangedPackagesSequenceNumber); 5061 } 5062 mChangedPackagesSequenceNumber++; 5063 } 5064 5065 @Override 5066 public ChangedPackages getChangedPackages(int sequenceNumber, int userId) { 5067 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 5068 return null; 5069 } 5070 synchronized (mPackages) { 5071 if (sequenceNumber >= mChangedPackagesSequenceNumber) { 5072 return null; 5073 } 5074 final SparseArray<String> changedPackages = mChangedPackages.get(userId); 5075 if (changedPackages == null) { 5076 return null; 5077 } 5078 final List<String> packageNames = 5079 new ArrayList<>(mChangedPackagesSequenceNumber - sequenceNumber); 5080 for (int i = sequenceNumber; i < mChangedPackagesSequenceNumber; i++) { 5081 final String packageName = changedPackages.get(i); 5082 if (packageName != null) { 5083 packageNames.add(packageName); 5084 } 5085 } 5086 return packageNames.isEmpty() 5087 ? null : new ChangedPackages(mChangedPackagesSequenceNumber, packageNames); 5088 } 5089 } 5090 5091 @Override 5092 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 5093 // allow instant applications 5094 ArrayList<FeatureInfo> res; 5095 synchronized (mAvailableFeatures) { 5096 res = new ArrayList<>(mAvailableFeatures.size() + 1); 5097 res.addAll(mAvailableFeatures.values()); 5098 } 5099 final FeatureInfo fi = new FeatureInfo(); 5100 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 5101 FeatureInfo.GL_ES_VERSION_UNDEFINED); 5102 res.add(fi); 5103 5104 return new ParceledListSlice<>(res); 5105 } 5106 5107 @Override 5108 public boolean hasSystemFeature(String name, int version) { 5109 // allow instant applications 5110 synchronized (mAvailableFeatures) { 5111 final FeatureInfo feat = mAvailableFeatures.get(name); 5112 if (feat == null) { 5113 return false; 5114 } else { 5115 return feat.version >= version; 5116 } 5117 } 5118 } 5119 5120 @Override 5121 public int checkPermission(String permName, String pkgName, int userId) { 5122 return mPermissionManager.checkPermission(permName, pkgName, getCallingUid(), userId); 5123 } 5124 5125 @Override 5126 public int checkUidPermission(String permName, int uid) { 5127 return mPermissionManager.checkUidPermission(permName, uid, getCallingUid()); 5128 } 5129 5130 @Override 5131 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 5132 if (UserHandle.getCallingUserId() != userId) { 5133 mContext.enforceCallingPermission( 5134 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 5135 "isPermissionRevokedByPolicy for user " + userId); 5136 } 5137 5138 if (checkPermission(permission, packageName, userId) 5139 == PackageManager.PERMISSION_GRANTED) { 5140 return false; 5141 } 5142 5143 final int callingUid = Binder.getCallingUid(); 5144 if (getInstantAppPackageName(callingUid) != null) { 5145 if (!isCallerSameApp(packageName, callingUid)) { 5146 return false; 5147 } 5148 } else { 5149 if (isInstantApp(packageName, userId)) { 5150 return false; 5151 } 5152 } 5153 5154 final long identity = Binder.clearCallingIdentity(); 5155 try { 5156 final int flags = getPermissionFlags(permission, packageName, userId); 5157 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 5158 } finally { 5159 Binder.restoreCallingIdentity(identity); 5160 } 5161 } 5162 5163 @Override 5164 public String getPermissionControllerPackageName() { 5165 synchronized (mPackages) { 5166 return mRequiredInstallerPackage; 5167 } 5168 } 5169 5170 private boolean addDynamicPermission(PermissionInfo info, final boolean async) { 5171 return mPermissionManager.addDynamicPermission( 5172 info, async, getCallingUid(), new PermissionCallback() { 5173 @Override 5174 public void onPermissionChanged() { 5175 if (!async) { 5176 mSettings.writeLPr(); 5177 } else { 5178 scheduleWriteSettingsLocked(); 5179 } 5180 } 5181 }); 5182 } 5183 5184 @Override 5185 public boolean addPermission(PermissionInfo info) { 5186 synchronized (mPackages) { 5187 return addDynamicPermission(info, false); 5188 } 5189 } 5190 5191 @Override 5192 public boolean addPermissionAsync(PermissionInfo info) { 5193 synchronized (mPackages) { 5194 return addDynamicPermission(info, true); 5195 } 5196 } 5197 5198 @Override 5199 public void removePermission(String permName) { 5200 mPermissionManager.removeDynamicPermission(permName, getCallingUid(), mPermissionCallback); 5201 } 5202 5203 @Override 5204 public void grantRuntimePermission(String packageName, String permName, final int userId) { 5205 mPermissionManager.grantRuntimePermission(permName, packageName, false /*overridePolicy*/, 5206 getCallingUid(), userId, mPermissionCallback); 5207 } 5208 5209 @Override 5210 public void revokeRuntimePermission(String packageName, String permName, int userId) { 5211 mPermissionManager.revokeRuntimePermission(permName, packageName, false /*overridePolicy*/, 5212 getCallingUid(), userId, mPermissionCallback); 5213 } 5214 5215 @Override 5216 public void resetRuntimePermissions() { 5217 mContext.enforceCallingOrSelfPermission( 5218 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 5219 "revokeRuntimePermission"); 5220 5221 int callingUid = Binder.getCallingUid(); 5222 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 5223 mContext.enforceCallingOrSelfPermission( 5224 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 5225 "resetRuntimePermissions"); 5226 } 5227 5228 synchronized (mPackages) { 5229 mPermissionManager.updateAllPermissions( 5230 StorageManager.UUID_PRIVATE_INTERNAL, false, mPackages.values(), 5231 mPermissionCallback); 5232 for (int userId : UserManagerService.getInstance().getUserIds()) { 5233 final int packageCount = mPackages.size(); 5234 for (int i = 0; i < packageCount; i++) { 5235 PackageParser.Package pkg = mPackages.valueAt(i); 5236 if (!(pkg.mExtras instanceof PackageSetting)) { 5237 continue; 5238 } 5239 PackageSetting ps = (PackageSetting) pkg.mExtras; 5240 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 5241 } 5242 } 5243 } 5244 } 5245 5246 @Override 5247 public int getPermissionFlags(String permName, String packageName, int userId) { 5248 return mPermissionManager.getPermissionFlags( 5249 permName, packageName, getCallingUid(), userId); 5250 } 5251 5252 @Override 5253 public void updatePermissionFlags(String permName, String packageName, int flagMask, 5254 int flagValues, int userId) { 5255 mPermissionManager.updatePermissionFlags( 5256 permName, packageName, flagMask, flagValues, getCallingUid(), userId, 5257 mPermissionCallback); 5258 } 5259 5260 /** 5261 * Update the permission flags for all packages and runtime permissions of a user in order 5262 * to allow device or profile owner to remove POLICY_FIXED. 5263 */ 5264 @Override 5265 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 5266 synchronized (mPackages) { 5267 final boolean changed = mPermissionManager.updatePermissionFlagsForAllApps( 5268 flagMask, flagValues, getCallingUid(), userId, mPackages.values(), 5269 mPermissionCallback); 5270 if (changed) { 5271 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 5272 } 5273 } 5274 } 5275 5276 @Override 5277 public boolean shouldShowRequestPermissionRationale(String permissionName, 5278 String packageName, int userId) { 5279 if (UserHandle.getCallingUserId() != userId) { 5280 mContext.enforceCallingPermission( 5281 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 5282 "canShowRequestPermissionRationale for user " + userId); 5283 } 5284 5285 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 5286 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 5287 return false; 5288 } 5289 5290 if (checkPermission(permissionName, packageName, userId) 5291 == PackageManager.PERMISSION_GRANTED) { 5292 return false; 5293 } 5294 5295 final int flags; 5296 5297 final long identity = Binder.clearCallingIdentity(); 5298 try { 5299 flags = getPermissionFlags(permissionName, 5300 packageName, userId); 5301 } finally { 5302 Binder.restoreCallingIdentity(identity); 5303 } 5304 5305 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 5306 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 5307 | PackageManager.FLAG_PERMISSION_USER_FIXED; 5308 5309 if ((flags & fixedFlags) != 0) { 5310 return false; 5311 } 5312 5313 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 5314 } 5315 5316 @Override 5317 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 5318 mContext.enforceCallingOrSelfPermission( 5319 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 5320 "addOnPermissionsChangeListener"); 5321 5322 synchronized (mPackages) { 5323 mOnPermissionChangeListeners.addListenerLocked(listener); 5324 } 5325 } 5326 5327 @Override 5328 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 5329 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 5330 throw new SecurityException("Instant applications don't have access to this method"); 5331 } 5332 synchronized (mPackages) { 5333 mOnPermissionChangeListeners.removeListenerLocked(listener); 5334 } 5335 } 5336 5337 @Override 5338 public boolean isProtectedBroadcast(String actionName) { 5339 // allow instant applications 5340 synchronized (mProtectedBroadcasts) { 5341 if (mProtectedBroadcasts.contains(actionName)) { 5342 return true; 5343 } else if (actionName != null) { 5344 // TODO: remove these terrible hacks 5345 if (actionName.startsWith("android.net.netmon.lingerExpired") 5346 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 5347 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 5348 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 5349 return true; 5350 } 5351 } 5352 } 5353 return false; 5354 } 5355 5356 @Override 5357 public int checkSignatures(String pkg1, String pkg2) { 5358 synchronized (mPackages) { 5359 final PackageParser.Package p1 = mPackages.get(pkg1); 5360 final PackageParser.Package p2 = mPackages.get(pkg2); 5361 if (p1 == null || p1.mExtras == null 5362 || p2 == null || p2.mExtras == null) { 5363 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5364 } 5365 final int callingUid = Binder.getCallingUid(); 5366 final int callingUserId = UserHandle.getUserId(callingUid); 5367 final PackageSetting ps1 = (PackageSetting) p1.mExtras; 5368 final PackageSetting ps2 = (PackageSetting) p2.mExtras; 5369 if (filterAppAccessLPr(ps1, callingUid, callingUserId) 5370 || filterAppAccessLPr(ps2, callingUid, callingUserId)) { 5371 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5372 } 5373 return compareSignatures(p1.mSigningDetails.signatures, p2.mSigningDetails.signatures); 5374 } 5375 } 5376 5377 @Override 5378 public int checkUidSignatures(int uid1, int uid2) { 5379 final int callingUid = Binder.getCallingUid(); 5380 final int callingUserId = UserHandle.getUserId(callingUid); 5381 final boolean isCallerInstantApp = getInstantAppPackageName(callingUid) != null; 5382 // Map to base uids. 5383 uid1 = UserHandle.getAppId(uid1); 5384 uid2 = UserHandle.getAppId(uid2); 5385 // reader 5386 synchronized (mPackages) { 5387 Signature[] s1; 5388 Signature[] s2; 5389 Object obj = mSettings.getUserIdLPr(uid1); 5390 if (obj != null) { 5391 if (obj instanceof SharedUserSetting) { 5392 if (isCallerInstantApp) { 5393 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5394 } 5395 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 5396 } else if (obj instanceof PackageSetting) { 5397 final PackageSetting ps = (PackageSetting) obj; 5398 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 5399 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5400 } 5401 s1 = ps.signatures.mSignatures; 5402 } else { 5403 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5404 } 5405 } else { 5406 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5407 } 5408 obj = mSettings.getUserIdLPr(uid2); 5409 if (obj != null) { 5410 if (obj instanceof SharedUserSetting) { 5411 if (isCallerInstantApp) { 5412 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5413 } 5414 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 5415 } else if (obj instanceof PackageSetting) { 5416 final PackageSetting ps = (PackageSetting) obj; 5417 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 5418 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5419 } 5420 s2 = ps.signatures.mSignatures; 5421 } else { 5422 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5423 } 5424 } else { 5425 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5426 } 5427 return compareSignatures(s1, s2); 5428 } 5429 } 5430 5431 /** 5432 * This method should typically only be used when granting or revoking 5433 * permissions, since the app may immediately restart after this call. 5434 * <p> 5435 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 5436 * guard your work against the app being relaunched. 5437 */ 5438 private void killUid(int appId, int userId, String reason) { 5439 final long identity = Binder.clearCallingIdentity(); 5440 try { 5441 IActivityManager am = ActivityManager.getService(); 5442 if (am != null) { 5443 try { 5444 am.killUid(appId, userId, reason); 5445 } catch (RemoteException e) { 5446 /* ignore - same process */ 5447 } 5448 } 5449 } finally { 5450 Binder.restoreCallingIdentity(identity); 5451 } 5452 } 5453 5454 /** 5455 * If the database version for this type of package (internal storage or 5456 * external storage) is less than the version where package signatures 5457 * were updated, return true. 5458 */ 5459 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 5460 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 5461 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 5462 } 5463 5464 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 5465 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 5466 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 5467 } 5468 5469 @Override 5470 public List<String> getAllPackages() { 5471 final int callingUid = Binder.getCallingUid(); 5472 final int callingUserId = UserHandle.getUserId(callingUid); 5473 synchronized (mPackages) { 5474 if (canViewInstantApps(callingUid, callingUserId)) { 5475 return new ArrayList<String>(mPackages.keySet()); 5476 } 5477 final String instantAppPkgName = getInstantAppPackageName(callingUid); 5478 final List<String> result = new ArrayList<>(); 5479 if (instantAppPkgName != null) { 5480 // caller is an instant application; filter unexposed applications 5481 for (PackageParser.Package pkg : mPackages.values()) { 5482 if (!pkg.visibleToInstantApps) { 5483 continue; 5484 } 5485 result.add(pkg.packageName); 5486 } 5487 } else { 5488 // caller is a normal application; filter instant applications 5489 for (PackageParser.Package pkg : mPackages.values()) { 5490 final PackageSetting ps = 5491 pkg.mExtras != null ? (PackageSetting) pkg.mExtras : null; 5492 if (ps != null 5493 && ps.getInstantApp(callingUserId) 5494 && !mInstantAppRegistry.isInstantAccessGranted( 5495 callingUserId, UserHandle.getAppId(callingUid), ps.appId)) { 5496 continue; 5497 } 5498 result.add(pkg.packageName); 5499 } 5500 } 5501 return result; 5502 } 5503 } 5504 5505 @Override 5506 public String[] getPackagesForUid(int uid) { 5507 final int callingUid = Binder.getCallingUid(); 5508 final boolean isCallerInstantApp = getInstantAppPackageName(callingUid) != null; 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 if (isCallerInstantApp) { 5516 return null; 5517 } 5518 final SharedUserSetting sus = (SharedUserSetting) obj; 5519 final int N = sus.packages.size(); 5520 String[] res = new String[N]; 5521 final Iterator<PackageSetting> it = sus.packages.iterator(); 5522 int i = 0; 5523 while (it.hasNext()) { 5524 PackageSetting ps = it.next(); 5525 if (ps.getInstalled(userId)) { 5526 res[i++] = ps.name; 5527 } else { 5528 res = ArrayUtils.removeElement(String.class, res, res[i]); 5529 } 5530 } 5531 return res; 5532 } else if (obj instanceof PackageSetting) { 5533 final PackageSetting ps = (PackageSetting) obj; 5534 if (ps.getInstalled(userId) && !filterAppAccessLPr(ps, callingUid, userId)) { 5535 return new String[]{ps.name}; 5536 } 5537 } 5538 } 5539 return null; 5540 } 5541 5542 @Override 5543 public String getNameForUid(int uid) { 5544 final int callingUid = Binder.getCallingUid(); 5545 if (getInstantAppPackageName(callingUid) != null) { 5546 return null; 5547 } 5548 synchronized (mPackages) { 5549 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5550 if (obj instanceof SharedUserSetting) { 5551 final SharedUserSetting sus = (SharedUserSetting) obj; 5552 return sus.name + ":" + sus.userId; 5553 } else if (obj instanceof PackageSetting) { 5554 final PackageSetting ps = (PackageSetting) obj; 5555 if (filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 5556 return null; 5557 } 5558 return ps.name; 5559 } 5560 return null; 5561 } 5562 } 5563 5564 @Override 5565 public String[] getNamesForUids(int[] uids) { 5566 if (uids == null || uids.length == 0) { 5567 return null; 5568 } 5569 final int callingUid = Binder.getCallingUid(); 5570 if (getInstantAppPackageName(callingUid) != null) { 5571 return null; 5572 } 5573 final String[] names = new String[uids.length]; 5574 synchronized (mPackages) { 5575 for (int i = uids.length - 1; i >= 0; i--) { 5576 final int uid = uids[i]; 5577 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5578 if (obj instanceof SharedUserSetting) { 5579 final SharedUserSetting sus = (SharedUserSetting) obj; 5580 names[i] = "shared:" + sus.name; 5581 } else if (obj instanceof PackageSetting) { 5582 final PackageSetting ps = (PackageSetting) obj; 5583 if (filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 5584 names[i] = null; 5585 } else { 5586 names[i] = ps.name; 5587 } 5588 } else { 5589 names[i] = null; 5590 } 5591 } 5592 } 5593 return names; 5594 } 5595 5596 @Override 5597 public int getUidForSharedUser(String sharedUserName) { 5598 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 5599 return -1; 5600 } 5601 if (sharedUserName == null) { 5602 return -1; 5603 } 5604 // reader 5605 synchronized (mPackages) { 5606 SharedUserSetting suid; 5607 try { 5608 suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 5609 if (suid != null) { 5610 return suid.userId; 5611 } 5612 } catch (PackageManagerException ignore) { 5613 // can't happen, but, still need to catch it 5614 } 5615 return -1; 5616 } 5617 } 5618 5619 @Override 5620 public int getFlagsForUid(int uid) { 5621 final int callingUid = Binder.getCallingUid(); 5622 if (getInstantAppPackageName(callingUid) != null) { 5623 return 0; 5624 } 5625 synchronized (mPackages) { 5626 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5627 if (obj instanceof SharedUserSetting) { 5628 final SharedUserSetting sus = (SharedUserSetting) obj; 5629 return sus.pkgFlags; 5630 } else if (obj instanceof PackageSetting) { 5631 final PackageSetting ps = (PackageSetting) obj; 5632 if (filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 5633 return 0; 5634 } 5635 return ps.pkgFlags; 5636 } 5637 } 5638 return 0; 5639 } 5640 5641 @Override 5642 public int getPrivateFlagsForUid(int uid) { 5643 final int callingUid = Binder.getCallingUid(); 5644 if (getInstantAppPackageName(callingUid) != null) { 5645 return 0; 5646 } 5647 synchronized (mPackages) { 5648 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5649 if (obj instanceof SharedUserSetting) { 5650 final SharedUserSetting sus = (SharedUserSetting) obj; 5651 return sus.pkgPrivateFlags; 5652 } else if (obj instanceof PackageSetting) { 5653 final PackageSetting ps = (PackageSetting) obj; 5654 if (filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 5655 return 0; 5656 } 5657 return ps.pkgPrivateFlags; 5658 } 5659 } 5660 return 0; 5661 } 5662 5663 @Override 5664 public boolean isUidPrivileged(int uid) { 5665 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 5666 return false; 5667 } 5668 uid = UserHandle.getAppId(uid); 5669 // reader 5670 synchronized (mPackages) { 5671 Object obj = mSettings.getUserIdLPr(uid); 5672 if (obj instanceof SharedUserSetting) { 5673 final SharedUserSetting sus = (SharedUserSetting) obj; 5674 final Iterator<PackageSetting> it = sus.packages.iterator(); 5675 while (it.hasNext()) { 5676 if (it.next().isPrivileged()) { 5677 return true; 5678 } 5679 } 5680 } else if (obj instanceof PackageSetting) { 5681 final PackageSetting ps = (PackageSetting) obj; 5682 return ps.isPrivileged(); 5683 } 5684 } 5685 return false; 5686 } 5687 5688 @Override 5689 public String[] getAppOpPermissionPackages(String permName) { 5690 return mPermissionManager.getAppOpPermissionPackages(permName); 5691 } 5692 5693 @Override 5694 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 5695 int flags, int userId) { 5696 return resolveIntentInternal( 5697 intent, resolvedType, flags, userId, false /*resolveForStart*/); 5698 } 5699 5700 /** 5701 * Normally instant apps can only be resolved when they're visible to the caller. 5702 * However, if {@code resolveForStart} is {@code true}, all instant apps are visible 5703 * since we need to allow the system to start any installed application. 5704 */ 5705 private ResolveInfo resolveIntentInternal(Intent intent, String resolvedType, 5706 int flags, int userId, boolean resolveForStart) { 5707 try { 5708 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 5709 5710 if (!sUserManager.exists(userId)) return null; 5711 final int callingUid = Binder.getCallingUid(); 5712 flags = updateFlagsForResolve(flags, userId, intent, callingUid, resolveForStart); 5713 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 5714 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 5715 5716 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5717 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 5718 flags, callingUid, userId, resolveForStart, true /*allowDynamicSplits*/); 5719 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5720 5721 final ResolveInfo bestChoice = 5722 chooseBestActivity(intent, resolvedType, flags, query, userId); 5723 return bestChoice; 5724 } finally { 5725 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5726 } 5727 } 5728 5729 @Override 5730 public ResolveInfo findPersistentPreferredActivity(Intent intent, int userId) { 5731 if (!UserHandle.isSameApp(Binder.getCallingUid(), Process.SYSTEM_UID)) { 5732 throw new SecurityException( 5733 "findPersistentPreferredActivity can only be run by the system"); 5734 } 5735 if (!sUserManager.exists(userId)) { 5736 return null; 5737 } 5738 final int callingUid = Binder.getCallingUid(); 5739 intent = updateIntentForResolve(intent); 5740 final String resolvedType = intent.resolveTypeIfNeeded(mContext.getContentResolver()); 5741 final int flags = updateFlagsForResolve( 5742 0, userId, intent, callingUid, false /*includeInstantApps*/); 5743 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5744 userId); 5745 synchronized (mPackages) { 5746 return findPersistentPreferredActivityLP(intent, resolvedType, flags, query, false, 5747 userId); 5748 } 5749 } 5750 5751 @Override 5752 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 5753 IntentFilter filter, int match, ComponentName activity) { 5754 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 5755 return; 5756 } 5757 final int userId = UserHandle.getCallingUserId(); 5758 if (DEBUG_PREFERRED) { 5759 Log.v(TAG, "setLastChosenActivity intent=" + intent 5760 + " resolvedType=" + resolvedType 5761 + " flags=" + flags 5762 + " filter=" + filter 5763 + " match=" + match 5764 + " activity=" + activity); 5765 filter.dump(new PrintStreamPrinter(System.out), " "); 5766 } 5767 intent.setComponent(null); 5768 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5769 userId); 5770 // Find any earlier preferred or last chosen entries and nuke them 5771 findPreferredActivity(intent, resolvedType, 5772 flags, query, 0, false, true, false, userId); 5773 // Add the new activity as the last chosen for this filter 5774 addPreferredActivityInternal(filter, match, null, activity, false, userId, 5775 "Setting last chosen"); 5776 } 5777 5778 @Override 5779 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 5780 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 5781 return null; 5782 } 5783 final int userId = UserHandle.getCallingUserId(); 5784 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 5785 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5786 userId); 5787 return findPreferredActivity(intent, resolvedType, flags, query, 0, 5788 false, false, false, userId); 5789 } 5790 5791 /** 5792 * Returns whether or not instant apps have been disabled remotely. 5793 */ 5794 private boolean isEphemeralDisabled() { 5795 return mEphemeralAppsDisabled; 5796 } 5797 5798 private boolean isInstantAppAllowed( 5799 Intent intent, List<ResolveInfo> resolvedActivities, int userId, 5800 boolean skipPackageCheck) { 5801 if (mInstantAppResolverConnection == null) { 5802 return false; 5803 } 5804 if (mInstantAppInstallerActivity == null) { 5805 return false; 5806 } 5807 if (intent.getComponent() != null) { 5808 return false; 5809 } 5810 if ((intent.getFlags() & Intent.FLAG_IGNORE_EPHEMERAL) != 0) { 5811 return false; 5812 } 5813 if (!skipPackageCheck && intent.getPackage() != null) { 5814 return false; 5815 } 5816 final boolean isWebUri = hasWebURI(intent); 5817 if (!isWebUri || intent.getData().getHost() == null) { 5818 return false; 5819 } 5820 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 5821 // Or if there's already an ephemeral app installed that handles the action 5822 synchronized (mPackages) { 5823 final int count = (resolvedActivities == null ? 0 : resolvedActivities.size()); 5824 for (int n = 0; n < count; n++) { 5825 final ResolveInfo info = resolvedActivities.get(n); 5826 final String packageName = info.activityInfo.packageName; 5827 final PackageSetting ps = mSettings.mPackages.get(packageName); 5828 if (ps != null) { 5829 // only check domain verification status if the app is not a browser 5830 if (!info.handleAllWebDataURI) { 5831 // Try to get the status from User settings first 5832 final long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5833 final int status = (int) (packedStatus >> 32); 5834 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 5835 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5836 if (DEBUG_EPHEMERAL) { 5837 Slog.v(TAG, "DENY instant app;" 5838 + " pkg: " + packageName + ", status: " + status); 5839 } 5840 return false; 5841 } 5842 } 5843 if (ps.getInstantApp(userId)) { 5844 if (DEBUG_EPHEMERAL) { 5845 Slog.v(TAG, "DENY instant app installed;" 5846 + " pkg: " + packageName); 5847 } 5848 return false; 5849 } 5850 } 5851 } 5852 } 5853 // We've exhausted all ways to deny ephemeral application; let the system look for them. 5854 return true; 5855 } 5856 5857 private void requestInstantAppResolutionPhaseTwo(AuxiliaryResolveInfo responseObj, 5858 Intent origIntent, String resolvedType, String callingPackage, 5859 Bundle verificationBundle, int userId) { 5860 final Message msg = mHandler.obtainMessage(INSTANT_APP_RESOLUTION_PHASE_TWO, 5861 new InstantAppRequest(responseObj, origIntent, resolvedType, 5862 callingPackage, userId, verificationBundle, false /*resolveForStart*/)); 5863 mHandler.sendMessage(msg); 5864 } 5865 5866 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 5867 int flags, List<ResolveInfo> query, int userId) { 5868 if (query != null) { 5869 final int N = query.size(); 5870 if (N == 1) { 5871 return query.get(0); 5872 } else if (N > 1) { 5873 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 5874 // If there is more than one activity with the same priority, 5875 // then let the user decide between them. 5876 ResolveInfo r0 = query.get(0); 5877 ResolveInfo r1 = query.get(1); 5878 if (DEBUG_INTENT_MATCHING || debug) { 5879 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 5880 + r1.activityInfo.name + "=" + r1.priority); 5881 } 5882 // If the first activity has a higher priority, or a different 5883 // default, then it is always desirable to pick it. 5884 if (r0.priority != r1.priority 5885 || r0.preferredOrder != r1.preferredOrder 5886 || r0.isDefault != r1.isDefault) { 5887 return query.get(0); 5888 } 5889 // If we have saved a preference for a preferred activity for 5890 // this Intent, use that. 5891 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5892 flags, query, r0.priority, true, false, debug, userId); 5893 if (ri != null) { 5894 return ri; 5895 } 5896 // If we have an ephemeral app, use it 5897 for (int i = 0; i < N; i++) { 5898 ri = query.get(i); 5899 if (ri.activityInfo.applicationInfo.isInstantApp()) { 5900 final String packageName = ri.activityInfo.packageName; 5901 final PackageSetting ps = mSettings.mPackages.get(packageName); 5902 final long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5903 final int status = (int)(packedStatus >> 32); 5904 if (status != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5905 return ri; 5906 } 5907 } 5908 } 5909 ri = new ResolveInfo(mResolveInfo); 5910 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5911 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5912 // If all of the options come from the same package, show the application's 5913 // label and icon instead of the generic resolver's. 5914 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 5915 // and then throw away the ResolveInfo itself, meaning that the caller loses 5916 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 5917 // a fallback for this case; we only set the target package's resources on 5918 // the ResolveInfo, not the ActivityInfo. 5919 final String intentPackage = intent.getPackage(); 5920 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 5921 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 5922 ri.resolvePackageName = intentPackage; 5923 if (userNeedsBadging(userId)) { 5924 ri.noResourceId = true; 5925 } else { 5926 ri.icon = appi.icon; 5927 } 5928 ri.iconResourceId = appi.icon; 5929 ri.labelRes = appi.labelRes; 5930 } 5931 ri.activityInfo.applicationInfo = new ApplicationInfo( 5932 ri.activityInfo.applicationInfo); 5933 if (userId != 0) { 5934 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5935 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5936 } 5937 // Make sure that the resolver is displayable in car mode 5938 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5939 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5940 return ri; 5941 } 5942 } 5943 return null; 5944 } 5945 5946 /** 5947 * Return true if the given list is not empty and all of its contents have 5948 * an activityInfo with the given package name. 5949 */ 5950 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 5951 if (ArrayUtils.isEmpty(list)) { 5952 return false; 5953 } 5954 for (int i = 0, N = list.size(); i < N; i++) { 5955 final ResolveInfo ri = list.get(i); 5956 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 5957 if (ai == null || !packageName.equals(ai.packageName)) { 5958 return false; 5959 } 5960 } 5961 return true; 5962 } 5963 5964 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5965 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5966 final int N = query.size(); 5967 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5968 .get(userId); 5969 // Get the list of persistent preferred activities that handle the intent 5970 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5971 List<PersistentPreferredActivity> pprefs = ppir != null 5972 ? ppir.queryIntent(intent, resolvedType, 5973 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 5974 userId) 5975 : null; 5976 if (pprefs != null && pprefs.size() > 0) { 5977 final int M = pprefs.size(); 5978 for (int i=0; i<M; i++) { 5979 final PersistentPreferredActivity ppa = pprefs.get(i); 5980 if (DEBUG_PREFERRED || debug) { 5981 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5982 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5983 + "\n component=" + ppa.mComponent); 5984 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5985 } 5986 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5987 flags | MATCH_DISABLED_COMPONENTS, userId); 5988 if (DEBUG_PREFERRED || debug) { 5989 Slog.v(TAG, "Found persistent preferred activity:"); 5990 if (ai != null) { 5991 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5992 } else { 5993 Slog.v(TAG, " null"); 5994 } 5995 } 5996 if (ai == null) { 5997 // This previously registered persistent preferred activity 5998 // component is no longer known. Ignore it and do NOT remove it. 5999 continue; 6000 } 6001 for (int j=0; j<N; j++) { 6002 final ResolveInfo ri = query.get(j); 6003 if (!ri.activityInfo.applicationInfo.packageName 6004 .equals(ai.applicationInfo.packageName)) { 6005 continue; 6006 } 6007 if (!ri.activityInfo.name.equals(ai.name)) { 6008 continue; 6009 } 6010 // Found a persistent preference that can handle the intent. 6011 if (DEBUG_PREFERRED || debug) { 6012 Slog.v(TAG, "Returning persistent preferred activity: " + 6013 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 6014 } 6015 return ri; 6016 } 6017 } 6018 } 6019 return null; 6020 } 6021 6022 // TODO: handle preferred activities missing while user has amnesia 6023 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 6024 List<ResolveInfo> query, int priority, boolean always, 6025 boolean removeMatches, boolean debug, int userId) { 6026 if (!sUserManager.exists(userId)) return null; 6027 final int callingUid = Binder.getCallingUid(); 6028 flags = updateFlagsForResolve( 6029 flags, userId, intent, callingUid, false /*includeInstantApps*/); 6030 intent = updateIntentForResolve(intent); 6031 // writer 6032 synchronized (mPackages) { 6033 // Try to find a matching persistent preferred activity. 6034 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 6035 debug, userId); 6036 6037 // If a persistent preferred activity matched, use it. 6038 if (pri != null) { 6039 return pri; 6040 } 6041 6042 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 6043 // Get the list of preferred activities that handle the intent 6044 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 6045 List<PreferredActivity> prefs = pir != null 6046 ? pir.queryIntent(intent, resolvedType, 6047 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 6048 userId) 6049 : null; 6050 if (prefs != null && prefs.size() > 0) { 6051 boolean changed = false; 6052 try { 6053 // First figure out how good the original match set is. 6054 // We will only allow preferred activities that came 6055 // from the same match quality. 6056 int match = 0; 6057 6058 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 6059 6060 final int N = query.size(); 6061 for (int j=0; j<N; j++) { 6062 final ResolveInfo ri = query.get(j); 6063 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 6064 + ": 0x" + Integer.toHexString(match)); 6065 if (ri.match > match) { 6066 match = ri.match; 6067 } 6068 } 6069 6070 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 6071 + Integer.toHexString(match)); 6072 6073 match &= IntentFilter.MATCH_CATEGORY_MASK; 6074 final int M = prefs.size(); 6075 for (int i=0; i<M; i++) { 6076 final PreferredActivity pa = prefs.get(i); 6077 if (DEBUG_PREFERRED || debug) { 6078 Slog.v(TAG, "Checking PreferredActivity ds=" 6079 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 6080 + "\n component=" + pa.mPref.mComponent); 6081 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 6082 } 6083 if (pa.mPref.mMatch != match) { 6084 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 6085 + Integer.toHexString(pa.mPref.mMatch)); 6086 continue; 6087 } 6088 // If it's not an "always" type preferred activity and that's what we're 6089 // looking for, skip it. 6090 if (always && !pa.mPref.mAlways) { 6091 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 6092 continue; 6093 } 6094 final ActivityInfo ai = getActivityInfo( 6095 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 6096 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 6097 userId); 6098 if (DEBUG_PREFERRED || debug) { 6099 Slog.v(TAG, "Found preferred activity:"); 6100 if (ai != null) { 6101 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 6102 } else { 6103 Slog.v(TAG, " null"); 6104 } 6105 } 6106 if (ai == null) { 6107 // This previously registered preferred activity 6108 // component is no longer known. Most likely an update 6109 // to the app was installed and in the new version this 6110 // component no longer exists. Clean it up by removing 6111 // it from the preferred activities list, and skip it. 6112 Slog.w(TAG, "Removing dangling preferred activity: " 6113 + pa.mPref.mComponent); 6114 pir.removeFilter(pa); 6115 changed = true; 6116 continue; 6117 } 6118 for (int j=0; j<N; j++) { 6119 final ResolveInfo ri = query.get(j); 6120 if (!ri.activityInfo.applicationInfo.packageName 6121 .equals(ai.applicationInfo.packageName)) { 6122 continue; 6123 } 6124 if (!ri.activityInfo.name.equals(ai.name)) { 6125 continue; 6126 } 6127 6128 if (removeMatches) { 6129 pir.removeFilter(pa); 6130 changed = true; 6131 if (DEBUG_PREFERRED) { 6132 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 6133 } 6134 break; 6135 } 6136 6137 // Okay we found a previously set preferred or last chosen app. 6138 // If the result set is different from when this 6139 // was created, and is not a subset of the preferred set, we need to 6140 // clear it and re-ask the user their preference, if we're looking for 6141 // an "always" type entry. 6142 if (always && !pa.mPref.sameSet(query)) { 6143 if (pa.mPref.isSuperset(query)) { 6144 // some components of the set are no longer present in 6145 // the query, but the preferred activity can still be reused 6146 if (DEBUG_PREFERRED) { 6147 Slog.i(TAG, "Result set changed, but PreferredActivity is" 6148 + " still valid as only non-preferred components" 6149 + " were removed for " + intent + " type " 6150 + resolvedType); 6151 } 6152 // remove obsolete components and re-add the up-to-date filter 6153 PreferredActivity freshPa = new PreferredActivity(pa, 6154 pa.mPref.mMatch, 6155 pa.mPref.discardObsoleteComponents(query), 6156 pa.mPref.mComponent, 6157 pa.mPref.mAlways); 6158 pir.removeFilter(pa); 6159 pir.addFilter(freshPa); 6160 changed = true; 6161 } else { 6162 Slog.i(TAG, 6163 "Result set changed, dropping preferred activity for " 6164 + intent + " type " + resolvedType); 6165 if (DEBUG_PREFERRED) { 6166 Slog.v(TAG, "Removing preferred activity since set changed " 6167 + pa.mPref.mComponent); 6168 } 6169 pir.removeFilter(pa); 6170 // Re-add the filter as a "last chosen" entry (!always) 6171 PreferredActivity lastChosen = new PreferredActivity( 6172 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 6173 pir.addFilter(lastChosen); 6174 changed = true; 6175 return null; 6176 } 6177 } 6178 6179 // Yay! Either the set matched or we're looking for the last chosen 6180 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 6181 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 6182 return ri; 6183 } 6184 } 6185 } finally { 6186 if (changed) { 6187 if (DEBUG_PREFERRED) { 6188 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 6189 } 6190 scheduleWritePackageRestrictionsLocked(userId); 6191 } 6192 } 6193 } 6194 } 6195 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 6196 return null; 6197 } 6198 6199 /* 6200 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 6201 */ 6202 @Override 6203 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 6204 int targetUserId) { 6205 mContext.enforceCallingOrSelfPermission( 6206 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 6207 List<CrossProfileIntentFilter> matches = 6208 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 6209 if (matches != null) { 6210 int size = matches.size(); 6211 for (int i = 0; i < size; i++) { 6212 if (matches.get(i).getTargetUserId() == targetUserId) return true; 6213 } 6214 } 6215 if (hasWebURI(intent)) { 6216 // cross-profile app linking works only towards the parent. 6217 final int callingUid = Binder.getCallingUid(); 6218 final UserInfo parent = getProfileParent(sourceUserId); 6219 synchronized(mPackages) { 6220 int flags = updateFlagsForResolve(0, parent.id, intent, callingUid, 6221 false /*includeInstantApps*/); 6222 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 6223 intent, resolvedType, flags, sourceUserId, parent.id); 6224 return xpDomainInfo != null; 6225 } 6226 } 6227 return false; 6228 } 6229 6230 private UserInfo getProfileParent(int userId) { 6231 final long identity = Binder.clearCallingIdentity(); 6232 try { 6233 return sUserManager.getProfileParent(userId); 6234 } finally { 6235 Binder.restoreCallingIdentity(identity); 6236 } 6237 } 6238 6239 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 6240 String resolvedType, int userId) { 6241 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 6242 if (resolver != null) { 6243 return resolver.queryIntent(intent, resolvedType, false /*defaultOnly*/, userId); 6244 } 6245 return null; 6246 } 6247 6248 @Override 6249 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 6250 String resolvedType, int flags, int userId) { 6251 try { 6252 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 6253 6254 return new ParceledListSlice<>( 6255 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 6256 } finally { 6257 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6258 } 6259 } 6260 6261 /** 6262 * Returns the package name of the calling Uid if it's an instant app. If it isn't 6263 * instant, returns {@code null}. 6264 */ 6265 private String getInstantAppPackageName(int callingUid) { 6266 synchronized (mPackages) { 6267 // If the caller is an isolated app use the owner's uid for the lookup. 6268 if (Process.isIsolated(callingUid)) { 6269 callingUid = mIsolatedOwners.get(callingUid); 6270 } 6271 final int appId = UserHandle.getAppId(callingUid); 6272 final Object obj = mSettings.getUserIdLPr(appId); 6273 if (obj instanceof PackageSetting) { 6274 final PackageSetting ps = (PackageSetting) obj; 6275 final boolean isInstantApp = ps.getInstantApp(UserHandle.getUserId(callingUid)); 6276 return isInstantApp ? ps.pkg.packageName : null; 6277 } 6278 } 6279 return null; 6280 } 6281 6282 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 6283 String resolvedType, int flags, int userId) { 6284 return queryIntentActivitiesInternal( 6285 intent, resolvedType, flags, Binder.getCallingUid(), userId, 6286 false /*resolveForStart*/, true /*allowDynamicSplits*/); 6287 } 6288 6289 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 6290 String resolvedType, int flags, int filterCallingUid, int userId, 6291 boolean resolveForStart, boolean allowDynamicSplits) { 6292 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6293 final String instantAppPkgName = getInstantAppPackageName(filterCallingUid); 6294 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 6295 false /* requireFullPermission */, false /* checkShell */, 6296 "query intent activities"); 6297 final String pkgName = intent.getPackage(); 6298 ComponentName comp = intent.getComponent(); 6299 if (comp == null) { 6300 if (intent.getSelector() != null) { 6301 intent = intent.getSelector(); 6302 comp = intent.getComponent(); 6303 } 6304 } 6305 6306 flags = updateFlagsForResolve(flags, userId, intent, filterCallingUid, resolveForStart, 6307 comp != null || pkgName != null /*onlyExposedExplicitly*/); 6308 if (comp != null) { 6309 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6310 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 6311 if (ai != null) { 6312 // When specifying an explicit component, we prevent the activity from being 6313 // used when either 1) the calling package is normal and the activity is within 6314 // an ephemeral application or 2) the calling package is ephemeral and the 6315 // activity is not visible to ephemeral applications. 6316 final boolean matchInstantApp = 6317 (flags & PackageManager.MATCH_INSTANT) != 0; 6318 final boolean matchVisibleToInstantAppOnly = 6319 (flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 6320 final boolean matchExplicitlyVisibleOnly = 6321 (flags & PackageManager.MATCH_EXPLICITLY_VISIBLE_ONLY) != 0; 6322 final boolean isCallerInstantApp = 6323 instantAppPkgName != null; 6324 final boolean isTargetSameInstantApp = 6325 comp.getPackageName().equals(instantAppPkgName); 6326 final boolean isTargetInstantApp = 6327 (ai.applicationInfo.privateFlags 6328 & ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0; 6329 final boolean isTargetVisibleToInstantApp = 6330 (ai.flags & ActivityInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0; 6331 final boolean isTargetExplicitlyVisibleToInstantApp = 6332 isTargetVisibleToInstantApp 6333 && (ai.flags & ActivityInfo.FLAG_IMPLICITLY_VISIBLE_TO_INSTANT_APP) == 0; 6334 final boolean isTargetHiddenFromInstantApp = 6335 !isTargetVisibleToInstantApp 6336 || (matchExplicitlyVisibleOnly && !isTargetExplicitlyVisibleToInstantApp); 6337 final boolean blockResolution = 6338 !isTargetSameInstantApp 6339 && ((!matchInstantApp && !isCallerInstantApp && isTargetInstantApp) 6340 || (matchVisibleToInstantAppOnly && isCallerInstantApp 6341 && isTargetHiddenFromInstantApp)); 6342 if (!blockResolution) { 6343 final ResolveInfo ri = new ResolveInfo(); 6344 ri.activityInfo = ai; 6345 list.add(ri); 6346 } 6347 } 6348 return applyPostResolutionFilter( 6349 list, instantAppPkgName, allowDynamicSplits, filterCallingUid, userId); 6350 } 6351 6352 // reader 6353 boolean sortResult = false; 6354 boolean addEphemeral = false; 6355 List<ResolveInfo> result; 6356 final boolean ephemeralDisabled = isEphemeralDisabled(); 6357 synchronized (mPackages) { 6358 if (pkgName == null) { 6359 List<CrossProfileIntentFilter> matchingFilters = 6360 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 6361 // Check for results that need to skip the current profile. 6362 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 6363 resolvedType, flags, userId); 6364 if (xpResolveInfo != null) { 6365 List<ResolveInfo> xpResult = new ArrayList<ResolveInfo>(1); 6366 xpResult.add(xpResolveInfo); 6367 return applyPostResolutionFilter( 6368 filterIfNotSystemUser(xpResult, userId), instantAppPkgName, 6369 allowDynamicSplits, filterCallingUid, userId); 6370 } 6371 6372 // Check for results in the current profile. 6373 result = filterIfNotSystemUser(mActivities.queryIntent( 6374 intent, resolvedType, flags, userId), userId); 6375 addEphemeral = !ephemeralDisabled 6376 && isInstantAppAllowed(intent, result, userId, false /*skipPackageCheck*/); 6377 // Check for cross profile results. 6378 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 6379 xpResolveInfo = queryCrossProfileIntents( 6380 matchingFilters, intent, resolvedType, flags, userId, 6381 hasNonNegativePriorityResult); 6382 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 6383 boolean isVisibleToUser = filterIfNotSystemUser( 6384 Collections.singletonList(xpResolveInfo), userId).size() > 0; 6385 if (isVisibleToUser) { 6386 result.add(xpResolveInfo); 6387 sortResult = true; 6388 } 6389 } 6390 if (hasWebURI(intent)) { 6391 CrossProfileDomainInfo xpDomainInfo = null; 6392 final UserInfo parent = getProfileParent(userId); 6393 if (parent != null) { 6394 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 6395 flags, userId, parent.id); 6396 } 6397 if (xpDomainInfo != null) { 6398 if (xpResolveInfo != null) { 6399 // If we didn't remove it, the cross-profile ResolveInfo would be twice 6400 // in the result. 6401 result.remove(xpResolveInfo); 6402 } 6403 if (result.size() == 0 && !addEphemeral) { 6404 // No result in current profile, but found candidate in parent user. 6405 // And we are not going to add emphemeral app, so we can return the 6406 // result straight away. 6407 result.add(xpDomainInfo.resolveInfo); 6408 return applyPostResolutionFilter(result, instantAppPkgName, 6409 allowDynamicSplits, filterCallingUid, userId); 6410 } 6411 } else if (result.size() <= 1 && !addEphemeral) { 6412 // No result in parent user and <= 1 result in current profile, and we 6413 // are not going to add emphemeral app, so we can return the result without 6414 // further processing. 6415 return applyPostResolutionFilter(result, instantAppPkgName, 6416 allowDynamicSplits, filterCallingUid, userId); 6417 } 6418 // We have more than one candidate (combining results from current and parent 6419 // profile), so we need filtering and sorting. 6420 result = filterCandidatesWithDomainPreferredActivitiesLPr( 6421 intent, flags, result, xpDomainInfo, userId); 6422 sortResult = true; 6423 } 6424 } else { 6425 final PackageParser.Package pkg = mPackages.get(pkgName); 6426 result = null; 6427 if (pkg != null) { 6428 result = filterIfNotSystemUser( 6429 mActivities.queryIntentForPackage( 6430 intent, resolvedType, flags, pkg.activities, userId), 6431 userId); 6432 } 6433 if (result == null || result.size() == 0) { 6434 // the caller wants to resolve for a particular package; however, there 6435 // were no installed results, so, try to find an ephemeral result 6436 addEphemeral = !ephemeralDisabled 6437 && isInstantAppAllowed( 6438 intent, null /*result*/, userId, true /*skipPackageCheck*/); 6439 if (result == null) { 6440 result = new ArrayList<>(); 6441 } 6442 } 6443 } 6444 } 6445 if (addEphemeral) { 6446 result = maybeAddInstantAppInstaller( 6447 result, intent, resolvedType, flags, userId, resolveForStart); 6448 } 6449 if (sortResult) { 6450 Collections.sort(result, mResolvePrioritySorter); 6451 } 6452 return applyPostResolutionFilter( 6453 result, instantAppPkgName, allowDynamicSplits, filterCallingUid, userId); 6454 } 6455 6456 private List<ResolveInfo> maybeAddInstantAppInstaller(List<ResolveInfo> result, Intent intent, 6457 String resolvedType, int flags, int userId, boolean resolveForStart) { 6458 // first, check to see if we've got an instant app already installed 6459 final boolean alreadyResolvedLocally = (flags & PackageManager.MATCH_INSTANT) != 0; 6460 ResolveInfo localInstantApp = null; 6461 boolean blockResolution = false; 6462 if (!alreadyResolvedLocally) { 6463 final List<ResolveInfo> instantApps = mActivities.queryIntent(intent, resolvedType, 6464 flags 6465 | PackageManager.GET_RESOLVED_FILTER 6466 | PackageManager.MATCH_INSTANT 6467 | PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY, 6468 userId); 6469 for (int i = instantApps.size() - 1; i >= 0; --i) { 6470 final ResolveInfo info = instantApps.get(i); 6471 final String packageName = info.activityInfo.packageName; 6472 final PackageSetting ps = mSettings.mPackages.get(packageName); 6473 if (ps.getInstantApp(userId)) { 6474 final long packedStatus = getDomainVerificationStatusLPr(ps, userId); 6475 final int status = (int)(packedStatus >> 32); 6476 final int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 6477 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6478 // there's a local instant application installed, but, the user has 6479 // chosen to never use it; skip resolution and don't acknowledge 6480 // an instant application is even available 6481 if (DEBUG_EPHEMERAL) { 6482 Slog.v(TAG, "Instant app marked to never run; pkg: " + packageName); 6483 } 6484 blockResolution = true; 6485 break; 6486 } else { 6487 // we have a locally installed instant application; skip resolution 6488 // but acknowledge there's an instant application available 6489 if (DEBUG_EPHEMERAL) { 6490 Slog.v(TAG, "Found installed instant app; pkg: " + packageName); 6491 } 6492 localInstantApp = info; 6493 break; 6494 } 6495 } 6496 } 6497 } 6498 // no app installed, let's see if one's available 6499 AuxiliaryResolveInfo auxiliaryResponse = null; 6500 if (!blockResolution) { 6501 if (localInstantApp == null) { 6502 // we don't have an instant app locally, resolve externally 6503 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 6504 final InstantAppRequest requestObject = new InstantAppRequest( 6505 null /*responseObj*/, intent /*origIntent*/, resolvedType, 6506 null /*callingPackage*/, userId, null /*verificationBundle*/, 6507 resolveForStart); 6508 auxiliaryResponse = 6509 InstantAppResolver.doInstantAppResolutionPhaseOne( 6510 mContext, mInstantAppResolverConnection, requestObject); 6511 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6512 } else { 6513 // we have an instant application locally, but, we can't admit that since 6514 // callers shouldn't be able to determine prior browsing. create a dummy 6515 // auxiliary response so the downstream code behaves as if there's an 6516 // instant application available externally. when it comes time to start 6517 // the instant application, we'll do the right thing. 6518 final ApplicationInfo ai = localInstantApp.activityInfo.applicationInfo; 6519 auxiliaryResponse = new AuxiliaryResolveInfo( 6520 ai.packageName, null /*splitName*/, null /*failureActivity*/, 6521 ai.versionCode, null /*failureIntent*/); 6522 } 6523 } 6524 if (auxiliaryResponse != null) { 6525 if (DEBUG_EPHEMERAL) { 6526 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 6527 } 6528 final ResolveInfo ephemeralInstaller = new ResolveInfo(mInstantAppInstallerInfo); 6529 final PackageSetting ps = 6530 mSettings.mPackages.get(mInstantAppInstallerActivity.packageName); 6531 if (ps != null) { 6532 ephemeralInstaller.activityInfo = PackageParser.generateActivityInfo( 6533 mInstantAppInstallerActivity, 0, ps.readUserState(userId), userId); 6534 ephemeralInstaller.activityInfo.launchToken = auxiliaryResponse.token; 6535 ephemeralInstaller.auxiliaryInfo = auxiliaryResponse; 6536 // make sure this resolver is the default 6537 ephemeralInstaller.isDefault = true; 6538 ephemeralInstaller.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 6539 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 6540 // add a non-generic filter 6541 ephemeralInstaller.filter = new IntentFilter(intent.getAction()); 6542 ephemeralInstaller.filter.addDataPath( 6543 intent.getData().getPath(), PatternMatcher.PATTERN_LITERAL); 6544 ephemeralInstaller.isInstantAppAvailable = true; 6545 result.add(ephemeralInstaller); 6546 } 6547 } 6548 return result; 6549 } 6550 6551 private static class CrossProfileDomainInfo { 6552 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 6553 ResolveInfo resolveInfo; 6554 /* Best domain verification status of the activities found in the other profile */ 6555 int bestDomainVerificationStatus; 6556 } 6557 6558 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 6559 String resolvedType, int flags, int sourceUserId, int parentUserId) { 6560 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 6561 sourceUserId)) { 6562 return null; 6563 } 6564 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 6565 resolvedType, flags, parentUserId); 6566 6567 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 6568 return null; 6569 } 6570 CrossProfileDomainInfo result = null; 6571 int size = resultTargetUser.size(); 6572 for (int i = 0; i < size; i++) { 6573 ResolveInfo riTargetUser = resultTargetUser.get(i); 6574 // Intent filter verification is only for filters that specify a host. So don't return 6575 // those that handle all web uris. 6576 if (riTargetUser.handleAllWebDataURI) { 6577 continue; 6578 } 6579 String packageName = riTargetUser.activityInfo.packageName; 6580 PackageSetting ps = mSettings.mPackages.get(packageName); 6581 if (ps == null) { 6582 continue; 6583 } 6584 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 6585 int status = (int)(verificationState >> 32); 6586 if (result == null) { 6587 result = new CrossProfileDomainInfo(); 6588 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 6589 sourceUserId, parentUserId); 6590 result.bestDomainVerificationStatus = status; 6591 } else { 6592 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 6593 result.bestDomainVerificationStatus); 6594 } 6595 } 6596 // Don't consider matches with status NEVER across profiles. 6597 if (result != null && result.bestDomainVerificationStatus 6598 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6599 return null; 6600 } 6601 return result; 6602 } 6603 6604 /** 6605 * Verification statuses are ordered from the worse to the best, except for 6606 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 6607 */ 6608 private int bestDomainVerificationStatus(int status1, int status2) { 6609 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6610 return status2; 6611 } 6612 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6613 return status1; 6614 } 6615 return (int) MathUtils.max(status1, status2); 6616 } 6617 6618 private boolean isUserEnabled(int userId) { 6619 long callingId = Binder.clearCallingIdentity(); 6620 try { 6621 UserInfo userInfo = sUserManager.getUserInfo(userId); 6622 return userInfo != null && userInfo.isEnabled(); 6623 } finally { 6624 Binder.restoreCallingIdentity(callingId); 6625 } 6626 } 6627 6628 /** 6629 * Filter out activities with systemUserOnly flag set, when current user is not System. 6630 * 6631 * @return filtered list 6632 */ 6633 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 6634 if (userId == UserHandle.USER_SYSTEM) { 6635 return resolveInfos; 6636 } 6637 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 6638 ResolveInfo info = resolveInfos.get(i); 6639 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 6640 resolveInfos.remove(i); 6641 } 6642 } 6643 return resolveInfos; 6644 } 6645 6646 /** 6647 * Filters out ephemeral activities. 6648 * <p>When resolving for an ephemeral app, only activities that 1) are defined in the 6649 * ephemeral app or 2) marked with {@code visibleToEphemeral} are returned. 6650 * 6651 * @param resolveInfos The pre-filtered list of resolved activities 6652 * @param ephemeralPkgName The ephemeral package name. If {@code null}, no filtering 6653 * is performed. 6654 * @return A filtered list of resolved activities. 6655 */ 6656 private List<ResolveInfo> applyPostResolutionFilter(List<ResolveInfo> resolveInfos, 6657 String ephemeralPkgName, boolean allowDynamicSplits, int filterCallingUid, int userId) { 6658 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 6659 final ResolveInfo info = resolveInfos.get(i); 6660 // allow activities that are defined in the provided package 6661 if (allowDynamicSplits 6662 && info.activityInfo.splitName != null 6663 && !ArrayUtils.contains(info.activityInfo.applicationInfo.splitNames, 6664 info.activityInfo.splitName)) { 6665 if (mInstantAppInstallerInfo == null) { 6666 if (DEBUG_INSTALL) { 6667 Slog.v(TAG, "No installer - not adding it to the ResolveInfo list"); 6668 } 6669 resolveInfos.remove(i); 6670 continue; 6671 } 6672 // requested activity is defined in a split that hasn't been installed yet. 6673 // add the installer to the resolve list 6674 if (DEBUG_INSTALL) { 6675 Slog.v(TAG, "Adding installer to the ResolveInfo list"); 6676 } 6677 final ResolveInfo installerInfo = new ResolveInfo(mInstantAppInstallerInfo); 6678 final ComponentName installFailureActivity = findInstallFailureActivity( 6679 info.activityInfo.packageName, filterCallingUid, userId); 6680 installerInfo.auxiliaryInfo = new AuxiliaryResolveInfo( 6681 info.activityInfo.packageName, info.activityInfo.splitName, 6682 installFailureActivity, 6683 info.activityInfo.applicationInfo.versionCode, 6684 null /*failureIntent*/); 6685 installerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 6686 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 6687 // add a non-generic filter 6688 installerInfo.filter = new IntentFilter(); 6689 6690 // This resolve info may appear in the chooser UI, so let us make it 6691 // look as the one it replaces as far as the user is concerned which 6692 // requires loading the correct label and icon for the resolve info. 6693 installerInfo.resolvePackageName = info.getComponentInfo().packageName; 6694 installerInfo.labelRes = info.resolveLabelResId(); 6695 installerInfo.icon = info.resolveIconResId(); 6696 6697 // propagate priority/preferred order/default 6698 installerInfo.priority = info.priority; 6699 installerInfo.preferredOrder = info.preferredOrder; 6700 installerInfo.isDefault = info.isDefault; 6701 resolveInfos.set(i, installerInfo); 6702 continue; 6703 } 6704 // caller is a full app, don't need to apply any other filtering 6705 if (ephemeralPkgName == null) { 6706 continue; 6707 } else if (ephemeralPkgName.equals(info.activityInfo.packageName)) { 6708 // caller is same app; don't need to apply any other filtering 6709 continue; 6710 } 6711 // allow activities that have been explicitly exposed to ephemeral apps 6712 final boolean isEphemeralApp = info.activityInfo.applicationInfo.isInstantApp(); 6713 if (!isEphemeralApp 6714 && ((info.activityInfo.flags & ActivityInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0)) { 6715 continue; 6716 } 6717 resolveInfos.remove(i); 6718 } 6719 return resolveInfos; 6720 } 6721 6722 /** 6723 * Returns the activity component that can handle install failures. 6724 * <p>By default, the instant application installer handles failures. However, an 6725 * application may want to handle failures on its own. Applications do this by 6726 * creating an activity with an intent filter that handles the action 6727 * {@link Intent#ACTION_INSTALL_FAILURE}. 6728 */ 6729 private @Nullable ComponentName findInstallFailureActivity( 6730 String packageName, int filterCallingUid, int userId) { 6731 final Intent failureActivityIntent = new Intent(Intent.ACTION_INSTALL_FAILURE); 6732 failureActivityIntent.setPackage(packageName); 6733 // IMPORTANT: disallow dynamic splits to avoid an infinite loop 6734 final List<ResolveInfo> result = queryIntentActivitiesInternal( 6735 failureActivityIntent, null /*resolvedType*/, 0 /*flags*/, filterCallingUid, userId, 6736 false /*resolveForStart*/, false /*allowDynamicSplits*/); 6737 final int NR = result.size(); 6738 if (NR > 0) { 6739 for (int i = 0; i < NR; i++) { 6740 final ResolveInfo info = result.get(i); 6741 if (info.activityInfo.splitName != null) { 6742 continue; 6743 } 6744 return new ComponentName(packageName, info.activityInfo.name); 6745 } 6746 } 6747 return null; 6748 } 6749 6750 /** 6751 * @param resolveInfos list of resolve infos in descending priority order 6752 * @return if the list contains a resolve info with non-negative priority 6753 */ 6754 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 6755 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 6756 } 6757 6758 private static boolean hasWebURI(Intent intent) { 6759 if (intent.getData() == null) { 6760 return false; 6761 } 6762 final String scheme = intent.getScheme(); 6763 if (TextUtils.isEmpty(scheme)) { 6764 return false; 6765 } 6766 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 6767 } 6768 6769 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 6770 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 6771 int userId) { 6772 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 6773 6774 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 6775 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 6776 candidates.size()); 6777 } 6778 6779 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 6780 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 6781 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 6782 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 6783 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 6784 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 6785 6786 synchronized (mPackages) { 6787 final int count = candidates.size(); 6788 // First, try to use linked apps. Partition the candidates into four lists: 6789 // one for the final results, one for the "do not use ever", one for "undefined status" 6790 // and finally one for "browser app type". 6791 for (int n=0; n<count; n++) { 6792 ResolveInfo info = candidates.get(n); 6793 String packageName = info.activityInfo.packageName; 6794 PackageSetting ps = mSettings.mPackages.get(packageName); 6795 if (ps != null) { 6796 // Add to the special match all list (Browser use case) 6797 if (info.handleAllWebDataURI) { 6798 matchAllList.add(info); 6799 continue; 6800 } 6801 // Try to get the status from User settings first 6802 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 6803 int status = (int)(packedStatus >> 32); 6804 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 6805 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 6806 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6807 Slog.i(TAG, " + always: " + info.activityInfo.packageName 6808 + " : linkgen=" + linkGeneration); 6809 } 6810 // Use link-enabled generation as preferredOrder, i.e. 6811 // prefer newly-enabled over earlier-enabled. 6812 info.preferredOrder = linkGeneration; 6813 alwaysList.add(info); 6814 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6815 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6816 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 6817 } 6818 neverList.add(info); 6819 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 6820 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6821 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 6822 } 6823 alwaysAskList.add(info); 6824 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 6825 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 6826 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6827 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 6828 } 6829 undefinedList.add(info); 6830 } 6831 } 6832 } 6833 6834 // We'll want to include browser possibilities in a few cases 6835 boolean includeBrowser = false; 6836 6837 // First try to add the "always" resolution(s) for the current user, if any 6838 if (alwaysList.size() > 0) { 6839 result.addAll(alwaysList); 6840 } else { 6841 // Add all undefined apps as we want them to appear in the disambiguation dialog. 6842 result.addAll(undefinedList); 6843 // Maybe add one for the other profile. 6844 if (xpDomainInfo != null && ( 6845 xpDomainInfo.bestDomainVerificationStatus 6846 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 6847 result.add(xpDomainInfo.resolveInfo); 6848 } 6849 includeBrowser = true; 6850 } 6851 6852 // The presence of any 'always ask' alternatives means we'll also offer browsers. 6853 // If there were 'always' entries their preferred order has been set, so we also 6854 // back that off to make the alternatives equivalent 6855 if (alwaysAskList.size() > 0) { 6856 for (ResolveInfo i : result) { 6857 i.preferredOrder = 0; 6858 } 6859 result.addAll(alwaysAskList); 6860 includeBrowser = true; 6861 } 6862 6863 if (includeBrowser) { 6864 // Also add browsers (all of them or only the default one) 6865 if (DEBUG_DOMAIN_VERIFICATION) { 6866 Slog.v(TAG, " ...including browsers in candidate set"); 6867 } 6868 if ((matchFlags & MATCH_ALL) != 0) { 6869 result.addAll(matchAllList); 6870 } else { 6871 // Browser/generic handling case. If there's a default browser, go straight 6872 // to that (but only if there is no other higher-priority match). 6873 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 6874 int maxMatchPrio = 0; 6875 ResolveInfo defaultBrowserMatch = null; 6876 final int numCandidates = matchAllList.size(); 6877 for (int n = 0; n < numCandidates; n++) { 6878 ResolveInfo info = matchAllList.get(n); 6879 // track the highest overall match priority... 6880 if (info.priority > maxMatchPrio) { 6881 maxMatchPrio = info.priority; 6882 } 6883 // ...and the highest-priority default browser match 6884 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 6885 if (defaultBrowserMatch == null 6886 || (defaultBrowserMatch.priority < info.priority)) { 6887 if (debug) { 6888 Slog.v(TAG, "Considering default browser match " + info); 6889 } 6890 defaultBrowserMatch = info; 6891 } 6892 } 6893 } 6894 if (defaultBrowserMatch != null 6895 && defaultBrowserMatch.priority >= maxMatchPrio 6896 && !TextUtils.isEmpty(defaultBrowserPackageName)) 6897 { 6898 if (debug) { 6899 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 6900 } 6901 result.add(defaultBrowserMatch); 6902 } else { 6903 result.addAll(matchAllList); 6904 } 6905 } 6906 6907 // If there is nothing selected, add all candidates and remove the ones that the user 6908 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 6909 if (result.size() == 0) { 6910 result.addAll(candidates); 6911 result.removeAll(neverList); 6912 } 6913 } 6914 } 6915 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 6916 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 6917 result.size()); 6918 for (ResolveInfo info : result) { 6919 Slog.v(TAG, " + " + info.activityInfo); 6920 } 6921 } 6922 return result; 6923 } 6924 6925 // Returns a packed value as a long: 6926 // 6927 // high 'int'-sized word: link status: undefined/ask/never/always. 6928 // low 'int'-sized word: relative priority among 'always' results. 6929 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 6930 long result = ps.getDomainVerificationStatusForUser(userId); 6931 // if none available, get the master status 6932 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 6933 if (ps.getIntentFilterVerificationInfo() != null) { 6934 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 6935 } 6936 } 6937 return result; 6938 } 6939 6940 private ResolveInfo querySkipCurrentProfileIntents( 6941 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 6942 int flags, int sourceUserId) { 6943 if (matchingFilters != null) { 6944 int size = matchingFilters.size(); 6945 for (int i = 0; i < size; i ++) { 6946 CrossProfileIntentFilter filter = matchingFilters.get(i); 6947 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 6948 // Checking if there are activities in the target user that can handle the 6949 // intent. 6950 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 6951 resolvedType, flags, sourceUserId); 6952 if (resolveInfo != null) { 6953 return resolveInfo; 6954 } 6955 } 6956 } 6957 } 6958 return null; 6959 } 6960 6961 // Return matching ResolveInfo in target user if any. 6962 private ResolveInfo queryCrossProfileIntents( 6963 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 6964 int flags, int sourceUserId, boolean matchInCurrentProfile) { 6965 if (matchingFilters != null) { 6966 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 6967 // match the same intent. For performance reasons, it is better not to 6968 // run queryIntent twice for the same userId 6969 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 6970 int size = matchingFilters.size(); 6971 for (int i = 0; i < size; i++) { 6972 CrossProfileIntentFilter filter = matchingFilters.get(i); 6973 int targetUserId = filter.getTargetUserId(); 6974 boolean skipCurrentProfile = 6975 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 6976 boolean skipCurrentProfileIfNoMatchFound = 6977 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 6978 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 6979 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 6980 // Checking if there are activities in the target user that can handle the 6981 // intent. 6982 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 6983 resolvedType, flags, sourceUserId); 6984 if (resolveInfo != null) return resolveInfo; 6985 alreadyTriedUserIds.put(targetUserId, true); 6986 } 6987 } 6988 } 6989 return null; 6990 } 6991 6992 /** 6993 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 6994 * will forward the intent to the filter's target user. 6995 * Otherwise, returns null. 6996 */ 6997 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 6998 String resolvedType, int flags, int sourceUserId) { 6999 int targetUserId = filter.getTargetUserId(); 7000 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 7001 resolvedType, flags, targetUserId); 7002 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 7003 // If all the matches in the target profile are suspended, return null. 7004 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 7005 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 7006 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 7007 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 7008 targetUserId); 7009 } 7010 } 7011 } 7012 return null; 7013 } 7014 7015 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 7016 int sourceUserId, int targetUserId) { 7017 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 7018 long ident = Binder.clearCallingIdentity(); 7019 boolean targetIsProfile; 7020 try { 7021 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 7022 } finally { 7023 Binder.restoreCallingIdentity(ident); 7024 } 7025 String className; 7026 if (targetIsProfile) { 7027 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 7028 } else { 7029 className = FORWARD_INTENT_TO_PARENT; 7030 } 7031 ComponentName forwardingActivityComponentName = new ComponentName( 7032 mAndroidApplication.packageName, className); 7033 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 7034 sourceUserId); 7035 if (!targetIsProfile) { 7036 forwardingActivityInfo.showUserIcon = targetUserId; 7037 forwardingResolveInfo.noResourceId = true; 7038 } 7039 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 7040 forwardingResolveInfo.priority = 0; 7041 forwardingResolveInfo.preferredOrder = 0; 7042 forwardingResolveInfo.match = 0; 7043 forwardingResolveInfo.isDefault = true; 7044 forwardingResolveInfo.filter = filter; 7045 forwardingResolveInfo.targetUserId = targetUserId; 7046 return forwardingResolveInfo; 7047 } 7048 7049 @Override 7050 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 7051 Intent[] specifics, String[] specificTypes, Intent intent, 7052 String resolvedType, int flags, int userId) { 7053 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 7054 specificTypes, intent, resolvedType, flags, userId)); 7055 } 7056 7057 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 7058 Intent[] specifics, String[] specificTypes, Intent intent, 7059 String resolvedType, int flags, int userId) { 7060 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7061 final int callingUid = Binder.getCallingUid(); 7062 flags = updateFlagsForResolve(flags, userId, intent, callingUid, 7063 false /*includeInstantApps*/); 7064 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 7065 false /*requireFullPermission*/, false /*checkShell*/, 7066 "query intent activity options"); 7067 final String resultsAction = intent.getAction(); 7068 7069 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 7070 | PackageManager.GET_RESOLVED_FILTER, userId); 7071 7072 if (DEBUG_INTENT_MATCHING) { 7073 Log.v(TAG, "Query " + intent + ": " + results); 7074 } 7075 7076 int specificsPos = 0; 7077 int N; 7078 7079 // todo: note that the algorithm used here is O(N^2). This 7080 // isn't a problem in our current environment, but if we start running 7081 // into situations where we have more than 5 or 10 matches then this 7082 // should probably be changed to something smarter... 7083 7084 // First we go through and resolve each of the specific items 7085 // that were supplied, taking care of removing any corresponding 7086 // duplicate items in the generic resolve list. 7087 if (specifics != null) { 7088 for (int i=0; i<specifics.length; i++) { 7089 final Intent sintent = specifics[i]; 7090 if (sintent == null) { 7091 continue; 7092 } 7093 7094 if (DEBUG_INTENT_MATCHING) { 7095 Log.v(TAG, "Specific #" + i + ": " + sintent); 7096 } 7097 7098 String action = sintent.getAction(); 7099 if (resultsAction != null && resultsAction.equals(action)) { 7100 // If this action was explicitly requested, then don't 7101 // remove things that have it. 7102 action = null; 7103 } 7104 7105 ResolveInfo ri = null; 7106 ActivityInfo ai = null; 7107 7108 ComponentName comp = sintent.getComponent(); 7109 if (comp == null) { 7110 ri = resolveIntent( 7111 sintent, 7112 specificTypes != null ? specificTypes[i] : null, 7113 flags, userId); 7114 if (ri == null) { 7115 continue; 7116 } 7117 if (ri == mResolveInfo) { 7118 // ACK! Must do something better with this. 7119 } 7120 ai = ri.activityInfo; 7121 comp = new ComponentName(ai.applicationInfo.packageName, 7122 ai.name); 7123 } else { 7124 ai = getActivityInfo(comp, flags, userId); 7125 if (ai == null) { 7126 continue; 7127 } 7128 } 7129 7130 // Look for any generic query activities that are duplicates 7131 // of this specific one, and remove them from the results. 7132 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 7133 N = results.size(); 7134 int j; 7135 for (j=specificsPos; j<N; j++) { 7136 ResolveInfo sri = results.get(j); 7137 if ((sri.activityInfo.name.equals(comp.getClassName()) 7138 && sri.activityInfo.applicationInfo.packageName.equals( 7139 comp.getPackageName())) 7140 || (action != null && sri.filter.matchAction(action))) { 7141 results.remove(j); 7142 if (DEBUG_INTENT_MATCHING) Log.v( 7143 TAG, "Removing duplicate item from " + j 7144 + " due to specific " + specificsPos); 7145 if (ri == null) { 7146 ri = sri; 7147 } 7148 j--; 7149 N--; 7150 } 7151 } 7152 7153 // Add this specific item to its proper place. 7154 if (ri == null) { 7155 ri = new ResolveInfo(); 7156 ri.activityInfo = ai; 7157 } 7158 results.add(specificsPos, ri); 7159 ri.specificIndex = i; 7160 specificsPos++; 7161 } 7162 } 7163 7164 // Now we go through the remaining generic results and remove any 7165 // duplicate actions that are found here. 7166 N = results.size(); 7167 for (int i=specificsPos; i<N-1; i++) { 7168 final ResolveInfo rii = results.get(i); 7169 if (rii.filter == null) { 7170 continue; 7171 } 7172 7173 // Iterate over all of the actions of this result's intent 7174 // filter... typically this should be just one. 7175 final Iterator<String> it = rii.filter.actionsIterator(); 7176 if (it == null) { 7177 continue; 7178 } 7179 while (it.hasNext()) { 7180 final String action = it.next(); 7181 if (resultsAction != null && resultsAction.equals(action)) { 7182 // If this action was explicitly requested, then don't 7183 // remove things that have it. 7184 continue; 7185 } 7186 for (int j=i+1; j<N; j++) { 7187 final ResolveInfo rij = results.get(j); 7188 if (rij.filter != null && rij.filter.hasAction(action)) { 7189 results.remove(j); 7190 if (DEBUG_INTENT_MATCHING) Log.v( 7191 TAG, "Removing duplicate item from " + j 7192 + " due to action " + action + " at " + i); 7193 j--; 7194 N--; 7195 } 7196 } 7197 } 7198 7199 // If the caller didn't request filter information, drop it now 7200 // so we don't have to marshall/unmarshall it. 7201 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 7202 rii.filter = null; 7203 } 7204 } 7205 7206 // Filter out the caller activity if so requested. 7207 if (caller != null) { 7208 N = results.size(); 7209 for (int i=0; i<N; i++) { 7210 ActivityInfo ainfo = results.get(i).activityInfo; 7211 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 7212 && caller.getClassName().equals(ainfo.name)) { 7213 results.remove(i); 7214 break; 7215 } 7216 } 7217 } 7218 7219 // If the caller didn't request filter information, 7220 // drop them now so we don't have to 7221 // marshall/unmarshall it. 7222 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 7223 N = results.size(); 7224 for (int i=0; i<N; i++) { 7225 results.get(i).filter = null; 7226 } 7227 } 7228 7229 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 7230 return results; 7231 } 7232 7233 @Override 7234 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 7235 String resolvedType, int flags, int userId) { 7236 return new ParceledListSlice<>( 7237 queryIntentReceiversInternal(intent, resolvedType, flags, userId, 7238 false /*allowDynamicSplits*/)); 7239 } 7240 7241 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 7242 String resolvedType, int flags, int userId, boolean allowDynamicSplits) { 7243 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7244 final int callingUid = Binder.getCallingUid(); 7245 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 7246 false /*requireFullPermission*/, false /*checkShell*/, 7247 "query intent receivers"); 7248 final String instantAppPkgName = getInstantAppPackageName(callingUid); 7249 flags = updateFlagsForResolve(flags, userId, intent, callingUid, 7250 false /*includeInstantApps*/); 7251 ComponentName comp = intent.getComponent(); 7252 if (comp == null) { 7253 if (intent.getSelector() != null) { 7254 intent = intent.getSelector(); 7255 comp = intent.getComponent(); 7256 } 7257 } 7258 if (comp != null) { 7259 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 7260 final ActivityInfo ai = getReceiverInfo(comp, flags, userId); 7261 if (ai != null) { 7262 // When specifying an explicit component, we prevent the activity from being 7263 // used when either 1) the calling package is normal and the activity is within 7264 // an instant application or 2) the calling package is ephemeral and the 7265 // activity is not visible to instant applications. 7266 final boolean matchInstantApp = 7267 (flags & PackageManager.MATCH_INSTANT) != 0; 7268 final boolean matchVisibleToInstantAppOnly = 7269 (flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 7270 final boolean matchExplicitlyVisibleOnly = 7271 (flags & PackageManager.MATCH_EXPLICITLY_VISIBLE_ONLY) != 0; 7272 final boolean isCallerInstantApp = 7273 instantAppPkgName != null; 7274 final boolean isTargetSameInstantApp = 7275 comp.getPackageName().equals(instantAppPkgName); 7276 final boolean isTargetInstantApp = 7277 (ai.applicationInfo.privateFlags 7278 & ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0; 7279 final boolean isTargetVisibleToInstantApp = 7280 (ai.flags & ActivityInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0; 7281 final boolean isTargetExplicitlyVisibleToInstantApp = 7282 isTargetVisibleToInstantApp 7283 && (ai.flags & ActivityInfo.FLAG_IMPLICITLY_VISIBLE_TO_INSTANT_APP) == 0; 7284 final boolean isTargetHiddenFromInstantApp = 7285 !isTargetVisibleToInstantApp 7286 || (matchExplicitlyVisibleOnly && !isTargetExplicitlyVisibleToInstantApp); 7287 final boolean blockResolution = 7288 !isTargetSameInstantApp 7289 && ((!matchInstantApp && !isCallerInstantApp && isTargetInstantApp) 7290 || (matchVisibleToInstantAppOnly && isCallerInstantApp 7291 && isTargetHiddenFromInstantApp)); 7292 if (!blockResolution) { 7293 ResolveInfo ri = new ResolveInfo(); 7294 ri.activityInfo = ai; 7295 list.add(ri); 7296 } 7297 } 7298 return applyPostResolutionFilter( 7299 list, instantAppPkgName, allowDynamicSplits, callingUid, userId); 7300 } 7301 7302 // reader 7303 synchronized (mPackages) { 7304 String pkgName = intent.getPackage(); 7305 if (pkgName == null) { 7306 final List<ResolveInfo> result = 7307 mReceivers.queryIntent(intent, resolvedType, flags, userId); 7308 return applyPostResolutionFilter( 7309 result, instantAppPkgName, allowDynamicSplits, callingUid, userId); 7310 } 7311 final PackageParser.Package pkg = mPackages.get(pkgName); 7312 if (pkg != null) { 7313 final List<ResolveInfo> result = mReceivers.queryIntentForPackage( 7314 intent, resolvedType, flags, pkg.receivers, userId); 7315 return applyPostResolutionFilter( 7316 result, instantAppPkgName, allowDynamicSplits, callingUid, userId); 7317 } 7318 return Collections.emptyList(); 7319 } 7320 } 7321 7322 @Override 7323 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 7324 final int callingUid = Binder.getCallingUid(); 7325 return resolveServiceInternal(intent, resolvedType, flags, userId, callingUid); 7326 } 7327 7328 private ResolveInfo resolveServiceInternal(Intent intent, String resolvedType, int flags, 7329 int userId, int callingUid) { 7330 if (!sUserManager.exists(userId)) return null; 7331 flags = updateFlagsForResolve( 7332 flags, userId, intent, callingUid, false /*includeInstantApps*/); 7333 List<ResolveInfo> query = queryIntentServicesInternal( 7334 intent, resolvedType, flags, userId, callingUid, false /*includeInstantApps*/); 7335 if (query != null) { 7336 if (query.size() >= 1) { 7337 // If there is more than one service with the same priority, 7338 // just arbitrarily pick the first one. 7339 return query.get(0); 7340 } 7341 } 7342 return null; 7343 } 7344 7345 @Override 7346 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 7347 String resolvedType, int flags, int userId) { 7348 final int callingUid = Binder.getCallingUid(); 7349 return new ParceledListSlice<>(queryIntentServicesInternal( 7350 intent, resolvedType, flags, userId, callingUid, false /*includeInstantApps*/)); 7351 } 7352 7353 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 7354 String resolvedType, int flags, int userId, int callingUid, 7355 boolean includeInstantApps) { 7356 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7357 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 7358 false /*requireFullPermission*/, false /*checkShell*/, 7359 "query intent receivers"); 7360 final String instantAppPkgName = getInstantAppPackageName(callingUid); 7361 flags = updateFlagsForResolve(flags, userId, intent, callingUid, includeInstantApps); 7362 ComponentName comp = intent.getComponent(); 7363 if (comp == null) { 7364 if (intent.getSelector() != null) { 7365 intent = intent.getSelector(); 7366 comp = intent.getComponent(); 7367 } 7368 } 7369 if (comp != null) { 7370 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 7371 final ServiceInfo si = getServiceInfo(comp, flags, userId); 7372 if (si != null) { 7373 // When specifying an explicit component, we prevent the service from being 7374 // used when either 1) the service is in an instant application and the 7375 // caller is not the same instant application or 2) the calling package is 7376 // ephemeral and the activity is not visible to ephemeral applications. 7377 final boolean matchInstantApp = 7378 (flags & PackageManager.MATCH_INSTANT) != 0; 7379 final boolean matchVisibleToInstantAppOnly = 7380 (flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 7381 final boolean isCallerInstantApp = 7382 instantAppPkgName != null; 7383 final boolean isTargetSameInstantApp = 7384 comp.getPackageName().equals(instantAppPkgName); 7385 final boolean isTargetInstantApp = 7386 (si.applicationInfo.privateFlags 7387 & ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0; 7388 final boolean isTargetHiddenFromInstantApp = 7389 (si.flags & ServiceInfo.FLAG_VISIBLE_TO_INSTANT_APP) == 0; 7390 final boolean blockResolution = 7391 !isTargetSameInstantApp 7392 && ((!matchInstantApp && !isCallerInstantApp && isTargetInstantApp) 7393 || (matchVisibleToInstantAppOnly && isCallerInstantApp 7394 && isTargetHiddenFromInstantApp)); 7395 if (!blockResolution) { 7396 final ResolveInfo ri = new ResolveInfo(); 7397 ri.serviceInfo = si; 7398 list.add(ri); 7399 } 7400 } 7401 return list; 7402 } 7403 7404 // reader 7405 synchronized (mPackages) { 7406 String pkgName = intent.getPackage(); 7407 if (pkgName == null) { 7408 return applyPostServiceResolutionFilter( 7409 mServices.queryIntent(intent, resolvedType, flags, userId), 7410 instantAppPkgName); 7411 } 7412 final PackageParser.Package pkg = mPackages.get(pkgName); 7413 if (pkg != null) { 7414 return applyPostServiceResolutionFilter( 7415 mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 7416 userId), 7417 instantAppPkgName); 7418 } 7419 return Collections.emptyList(); 7420 } 7421 } 7422 7423 private List<ResolveInfo> applyPostServiceResolutionFilter(List<ResolveInfo> resolveInfos, 7424 String instantAppPkgName) { 7425 if (instantAppPkgName == null) { 7426 return resolveInfos; 7427 } 7428 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 7429 final ResolveInfo info = resolveInfos.get(i); 7430 final boolean isEphemeralApp = info.serviceInfo.applicationInfo.isInstantApp(); 7431 // allow services that are defined in the provided package 7432 if (isEphemeralApp && instantAppPkgName.equals(info.serviceInfo.packageName)) { 7433 if (info.serviceInfo.splitName != null 7434 && !ArrayUtils.contains(info.serviceInfo.applicationInfo.splitNames, 7435 info.serviceInfo.splitName)) { 7436 // requested service is defined in a split that hasn't been installed yet. 7437 // add the installer to the resolve list 7438 if (DEBUG_EPHEMERAL) { 7439 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 7440 } 7441 final ResolveInfo installerInfo = new ResolveInfo(mInstantAppInstallerInfo); 7442 installerInfo.auxiliaryInfo = new AuxiliaryResolveInfo( 7443 info.serviceInfo.packageName, info.serviceInfo.splitName, 7444 null /*failureActivity*/, info.serviceInfo.applicationInfo.versionCode, 7445 null /*failureIntent*/); 7446 // make sure this resolver is the default 7447 installerInfo.isDefault = true; 7448 installerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 7449 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 7450 // add a non-generic filter 7451 installerInfo.filter = new IntentFilter(); 7452 // load resources from the correct package 7453 installerInfo.resolvePackageName = info.getComponentInfo().packageName; 7454 resolveInfos.set(i, installerInfo); 7455 } 7456 continue; 7457 } 7458 // allow services that have been explicitly exposed to ephemeral apps 7459 if (!isEphemeralApp 7460 && ((info.serviceInfo.flags & ServiceInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0)) { 7461 continue; 7462 } 7463 resolveInfos.remove(i); 7464 } 7465 return resolveInfos; 7466 } 7467 7468 @Override 7469 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 7470 String resolvedType, int flags, int userId) { 7471 return new ParceledListSlice<>( 7472 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 7473 } 7474 7475 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 7476 Intent intent, String resolvedType, int flags, int userId) { 7477 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7478 final int callingUid = Binder.getCallingUid(); 7479 final String instantAppPkgName = getInstantAppPackageName(callingUid); 7480 flags = updateFlagsForResolve(flags, userId, intent, callingUid, 7481 false /*includeInstantApps*/); 7482 ComponentName comp = intent.getComponent(); 7483 if (comp == null) { 7484 if (intent.getSelector() != null) { 7485 intent = intent.getSelector(); 7486 comp = intent.getComponent(); 7487 } 7488 } 7489 if (comp != null) { 7490 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 7491 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 7492 if (pi != null) { 7493 // When specifying an explicit component, we prevent the provider from being 7494 // used when either 1) the provider is in an instant application and the 7495 // caller is not the same instant application or 2) the calling package is an 7496 // instant application and the provider is not visible to instant applications. 7497 final boolean matchInstantApp = 7498 (flags & PackageManager.MATCH_INSTANT) != 0; 7499 final boolean matchVisibleToInstantAppOnly = 7500 (flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 7501 final boolean isCallerInstantApp = 7502 instantAppPkgName != null; 7503 final boolean isTargetSameInstantApp = 7504 comp.getPackageName().equals(instantAppPkgName); 7505 final boolean isTargetInstantApp = 7506 (pi.applicationInfo.privateFlags 7507 & ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0; 7508 final boolean isTargetHiddenFromInstantApp = 7509 (pi.flags & ProviderInfo.FLAG_VISIBLE_TO_INSTANT_APP) == 0; 7510 final boolean blockResolution = 7511 !isTargetSameInstantApp 7512 && ((!matchInstantApp && !isCallerInstantApp && isTargetInstantApp) 7513 || (matchVisibleToInstantAppOnly && isCallerInstantApp 7514 && isTargetHiddenFromInstantApp)); 7515 if (!blockResolution) { 7516 final ResolveInfo ri = new ResolveInfo(); 7517 ri.providerInfo = pi; 7518 list.add(ri); 7519 } 7520 } 7521 return list; 7522 } 7523 7524 // reader 7525 synchronized (mPackages) { 7526 String pkgName = intent.getPackage(); 7527 if (pkgName == null) { 7528 return applyPostContentProviderResolutionFilter( 7529 mProviders.queryIntent(intent, resolvedType, flags, userId), 7530 instantAppPkgName); 7531 } 7532 final PackageParser.Package pkg = mPackages.get(pkgName); 7533 if (pkg != null) { 7534 return applyPostContentProviderResolutionFilter( 7535 mProviders.queryIntentForPackage( 7536 intent, resolvedType, flags, pkg.providers, userId), 7537 instantAppPkgName); 7538 } 7539 return Collections.emptyList(); 7540 } 7541 } 7542 7543 private List<ResolveInfo> applyPostContentProviderResolutionFilter( 7544 List<ResolveInfo> resolveInfos, String instantAppPkgName) { 7545 if (instantAppPkgName == null) { 7546 return resolveInfos; 7547 } 7548 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 7549 final ResolveInfo info = resolveInfos.get(i); 7550 final boolean isEphemeralApp = info.providerInfo.applicationInfo.isInstantApp(); 7551 // allow providers that are defined in the provided package 7552 if (isEphemeralApp && instantAppPkgName.equals(info.providerInfo.packageName)) { 7553 if (info.providerInfo.splitName != null 7554 && !ArrayUtils.contains(info.providerInfo.applicationInfo.splitNames, 7555 info.providerInfo.splitName)) { 7556 // requested provider is defined in a split that hasn't been installed yet. 7557 // add the installer to the resolve list 7558 if (DEBUG_EPHEMERAL) { 7559 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 7560 } 7561 final ResolveInfo installerInfo = new ResolveInfo(mInstantAppInstallerInfo); 7562 installerInfo.auxiliaryInfo = new AuxiliaryResolveInfo( 7563 info.providerInfo.packageName, info.providerInfo.splitName, 7564 null /*failureActivity*/, info.providerInfo.applicationInfo.versionCode, 7565 null /*failureIntent*/); 7566 // make sure this resolver is the default 7567 installerInfo.isDefault = true; 7568 installerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 7569 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 7570 // add a non-generic filter 7571 installerInfo.filter = new IntentFilter(); 7572 // load resources from the correct package 7573 installerInfo.resolvePackageName = info.getComponentInfo().packageName; 7574 resolveInfos.set(i, installerInfo); 7575 } 7576 continue; 7577 } 7578 // allow providers that have been explicitly exposed to instant applications 7579 if (!isEphemeralApp 7580 && ((info.providerInfo.flags & ProviderInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0)) { 7581 continue; 7582 } 7583 resolveInfos.remove(i); 7584 } 7585 return resolveInfos; 7586 } 7587 7588 @Override 7589 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 7590 final int callingUid = Binder.getCallingUid(); 7591 if (getInstantAppPackageName(callingUid) != null) { 7592 return ParceledListSlice.emptyList(); 7593 } 7594 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7595 flags = updateFlagsForPackage(flags, userId, null); 7596 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7597 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 7598 true /* requireFullPermission */, false /* checkShell */, 7599 "get installed packages"); 7600 7601 // writer 7602 synchronized (mPackages) { 7603 ArrayList<PackageInfo> list; 7604 if (listUninstalled) { 7605 list = new ArrayList<>(mSettings.mPackages.size()); 7606 for (PackageSetting ps : mSettings.mPackages.values()) { 7607 if (filterSharedLibPackageLPr(ps, callingUid, userId, flags)) { 7608 continue; 7609 } 7610 if (filterAppAccessLPr(ps, callingUid, userId)) { 7611 continue; 7612 } 7613 final PackageInfo pi = generatePackageInfo(ps, flags, userId); 7614 if (pi != null) { 7615 list.add(pi); 7616 } 7617 } 7618 } else { 7619 list = new ArrayList<>(mPackages.size()); 7620 for (PackageParser.Package p : mPackages.values()) { 7621 final PackageSetting ps = (PackageSetting) p.mExtras; 7622 if (filterSharedLibPackageLPr(ps, callingUid, userId, flags)) { 7623 continue; 7624 } 7625 if (filterAppAccessLPr(ps, callingUid, userId)) { 7626 continue; 7627 } 7628 final PackageInfo pi = generatePackageInfo((PackageSetting) 7629 p.mExtras, flags, userId); 7630 if (pi != null) { 7631 list.add(pi); 7632 } 7633 } 7634 } 7635 7636 return new ParceledListSlice<>(list); 7637 } 7638 } 7639 7640 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 7641 String[] permissions, boolean[] tmp, int flags, int userId) { 7642 int numMatch = 0; 7643 final PermissionsState permissionsState = ps.getPermissionsState(); 7644 for (int i=0; i<permissions.length; i++) { 7645 final String permission = permissions[i]; 7646 if (permissionsState.hasPermission(permission, userId)) { 7647 tmp[i] = true; 7648 numMatch++; 7649 } else { 7650 tmp[i] = false; 7651 } 7652 } 7653 if (numMatch == 0) { 7654 return; 7655 } 7656 final PackageInfo pi = generatePackageInfo(ps, flags, userId); 7657 7658 // The above might return null in cases of uninstalled apps or install-state 7659 // skew across users/profiles. 7660 if (pi != null) { 7661 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 7662 if (numMatch == permissions.length) { 7663 pi.requestedPermissions = permissions; 7664 } else { 7665 pi.requestedPermissions = new String[numMatch]; 7666 numMatch = 0; 7667 for (int i=0; i<permissions.length; i++) { 7668 if (tmp[i]) { 7669 pi.requestedPermissions[numMatch] = permissions[i]; 7670 numMatch++; 7671 } 7672 } 7673 } 7674 } 7675 list.add(pi); 7676 } 7677 } 7678 7679 @Override 7680 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 7681 String[] permissions, int flags, int userId) { 7682 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7683 flags = updateFlagsForPackage(flags, userId, permissions); 7684 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 7685 true /* requireFullPermission */, false /* checkShell */, 7686 "get packages holding permissions"); 7687 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7688 7689 // writer 7690 synchronized (mPackages) { 7691 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 7692 boolean[] tmpBools = new boolean[permissions.length]; 7693 if (listUninstalled) { 7694 for (PackageSetting ps : mSettings.mPackages.values()) { 7695 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 7696 userId); 7697 } 7698 } else { 7699 for (PackageParser.Package pkg : mPackages.values()) { 7700 PackageSetting ps = (PackageSetting)pkg.mExtras; 7701 if (ps != null) { 7702 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 7703 userId); 7704 } 7705 } 7706 } 7707 7708 return new ParceledListSlice<PackageInfo>(list); 7709 } 7710 } 7711 7712 @Override 7713 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 7714 final int callingUid = Binder.getCallingUid(); 7715 if (getInstantAppPackageName(callingUid) != null) { 7716 return ParceledListSlice.emptyList(); 7717 } 7718 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7719 flags = updateFlagsForApplication(flags, userId, null); 7720 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7721 7722 // writer 7723 synchronized (mPackages) { 7724 ArrayList<ApplicationInfo> list; 7725 if (listUninstalled) { 7726 list = new ArrayList<>(mSettings.mPackages.size()); 7727 for (PackageSetting ps : mSettings.mPackages.values()) { 7728 ApplicationInfo ai; 7729 int effectiveFlags = flags; 7730 if (ps.isSystem()) { 7731 effectiveFlags |= PackageManager.MATCH_ANY_USER; 7732 } 7733 if (ps.pkg != null) { 7734 if (filterSharedLibPackageLPr(ps, callingUid, userId, flags)) { 7735 continue; 7736 } 7737 if (filterAppAccessLPr(ps, callingUid, userId)) { 7738 continue; 7739 } 7740 ai = PackageParser.generateApplicationInfo(ps.pkg, effectiveFlags, 7741 ps.readUserState(userId), userId); 7742 if (ai != null) { 7743 ai.packageName = resolveExternalPackageNameLPr(ps.pkg); 7744 } 7745 } else { 7746 // Shared lib filtering done in generateApplicationInfoFromSettingsLPw 7747 // and already converts to externally visible package name 7748 ai = generateApplicationInfoFromSettingsLPw(ps.name, 7749 callingUid, effectiveFlags, userId); 7750 } 7751 if (ai != null) { 7752 list.add(ai); 7753 } 7754 } 7755 } else { 7756 list = new ArrayList<>(mPackages.size()); 7757 for (PackageParser.Package p : mPackages.values()) { 7758 if (p.mExtras != null) { 7759 PackageSetting ps = (PackageSetting) p.mExtras; 7760 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId, flags)) { 7761 continue; 7762 } 7763 if (filterAppAccessLPr(ps, callingUid, userId)) { 7764 continue; 7765 } 7766 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 7767 ps.readUserState(userId), userId); 7768 if (ai != null) { 7769 ai.packageName = resolveExternalPackageNameLPr(p); 7770 list.add(ai); 7771 } 7772 } 7773 } 7774 } 7775 7776 return new ParceledListSlice<>(list); 7777 } 7778 } 7779 7780 @Override 7781 public ParceledListSlice<InstantAppInfo> getInstantApps(int userId) { 7782 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7783 return null; 7784 } 7785 if (!canViewInstantApps(Binder.getCallingUid(), userId)) { 7786 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_INSTANT_APPS, 7787 "getEphemeralApplications"); 7788 } 7789 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 7790 true /* requireFullPermission */, false /* checkShell */, 7791 "getEphemeralApplications"); 7792 synchronized (mPackages) { 7793 List<InstantAppInfo> instantApps = mInstantAppRegistry 7794 .getInstantAppsLPr(userId); 7795 if (instantApps != null) { 7796 return new ParceledListSlice<>(instantApps); 7797 } 7798 } 7799 return null; 7800 } 7801 7802 @Override 7803 public boolean isInstantApp(String packageName, int userId) { 7804 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 7805 true /* requireFullPermission */, false /* checkShell */, 7806 "isInstantApp"); 7807 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7808 return false; 7809 } 7810 7811 synchronized (mPackages) { 7812 int callingUid = Binder.getCallingUid(); 7813 if (Process.isIsolated(callingUid)) { 7814 callingUid = mIsolatedOwners.get(callingUid); 7815 } 7816 final PackageSetting ps = mSettings.mPackages.get(packageName); 7817 PackageParser.Package pkg = mPackages.get(packageName); 7818 final boolean returnAllowed = 7819 ps != null 7820 && (isCallerSameApp(packageName, callingUid) 7821 || canViewInstantApps(callingUid, userId) 7822 || mInstantAppRegistry.isInstantAccessGranted( 7823 userId, UserHandle.getAppId(callingUid), ps.appId)); 7824 if (returnAllowed) { 7825 return ps.getInstantApp(userId); 7826 } 7827 } 7828 return false; 7829 } 7830 7831 @Override 7832 public byte[] getInstantAppCookie(String packageName, int userId) { 7833 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7834 return null; 7835 } 7836 7837 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 7838 true /* requireFullPermission */, false /* checkShell */, 7839 "getInstantAppCookie"); 7840 if (!isCallerSameApp(packageName, Binder.getCallingUid())) { 7841 return null; 7842 } 7843 synchronized (mPackages) { 7844 return mInstantAppRegistry.getInstantAppCookieLPw( 7845 packageName, userId); 7846 } 7847 } 7848 7849 @Override 7850 public boolean setInstantAppCookie(String packageName, byte[] cookie, int userId) { 7851 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7852 return true; 7853 } 7854 7855 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 7856 true /* requireFullPermission */, true /* checkShell */, 7857 "setInstantAppCookie"); 7858 if (!isCallerSameApp(packageName, Binder.getCallingUid())) { 7859 return false; 7860 } 7861 synchronized (mPackages) { 7862 return mInstantAppRegistry.setInstantAppCookieLPw( 7863 packageName, cookie, userId); 7864 } 7865 } 7866 7867 @Override 7868 public Bitmap getInstantAppIcon(String packageName, int userId) { 7869 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7870 return null; 7871 } 7872 7873 if (!canViewInstantApps(Binder.getCallingUid(), userId)) { 7874 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_INSTANT_APPS, 7875 "getInstantAppIcon"); 7876 } 7877 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 7878 true /* requireFullPermission */, false /* checkShell */, 7879 "getInstantAppIcon"); 7880 7881 synchronized (mPackages) { 7882 return mInstantAppRegistry.getInstantAppIconLPw( 7883 packageName, userId); 7884 } 7885 } 7886 7887 private boolean isCallerSameApp(String packageName, int uid) { 7888 PackageParser.Package pkg = mPackages.get(packageName); 7889 return pkg != null 7890 && UserHandle.getAppId(uid) == pkg.applicationInfo.uid; 7891 } 7892 7893 @Override 7894 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 7895 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 7896 return ParceledListSlice.emptyList(); 7897 } 7898 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 7899 } 7900 7901 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 7902 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 7903 7904 // reader 7905 synchronized (mPackages) { 7906 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 7907 final int userId = UserHandle.getCallingUserId(); 7908 while (i.hasNext()) { 7909 final PackageParser.Package p = i.next(); 7910 if (p.applicationInfo == null) continue; 7911 7912 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 7913 && !p.applicationInfo.isDirectBootAware(); 7914 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 7915 && p.applicationInfo.isDirectBootAware(); 7916 7917 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 7918 && (!mSafeMode || isSystemApp(p)) 7919 && (matchesUnaware || matchesAware)) { 7920 PackageSetting ps = mSettings.mPackages.get(p.packageName); 7921 if (ps != null) { 7922 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 7923 ps.readUserState(userId), userId); 7924 if (ai != null) { 7925 finalList.add(ai); 7926 } 7927 } 7928 } 7929 } 7930 } 7931 7932 return finalList; 7933 } 7934 7935 @Override 7936 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 7937 return resolveContentProviderInternal(name, flags, userId); 7938 } 7939 7940 private ProviderInfo resolveContentProviderInternal(String name, int flags, int userId) { 7941 if (!sUserManager.exists(userId)) return null; 7942 flags = updateFlagsForComponent(flags, userId, name); 7943 final String instantAppPkgName = getInstantAppPackageName(Binder.getCallingUid()); 7944 // reader 7945 synchronized (mPackages) { 7946 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 7947 PackageSetting ps = provider != null 7948 ? mSettings.mPackages.get(provider.owner.packageName) 7949 : null; 7950 if (ps != null) { 7951 final boolean isInstantApp = ps.getInstantApp(userId); 7952 // normal application; filter out instant application provider 7953 if (instantAppPkgName == null && isInstantApp) { 7954 return null; 7955 } 7956 // instant application; filter out other instant applications 7957 if (instantAppPkgName != null 7958 && isInstantApp 7959 && !provider.owner.packageName.equals(instantAppPkgName)) { 7960 return null; 7961 } 7962 // instant application; filter out non-exposed provider 7963 if (instantAppPkgName != null 7964 && !isInstantApp 7965 && (provider.info.flags & ProviderInfo.FLAG_VISIBLE_TO_INSTANT_APP) == 0) { 7966 return null; 7967 } 7968 // provider not enabled 7969 if (!mSettings.isEnabledAndMatchLPr(provider.info, flags, userId)) { 7970 return null; 7971 } 7972 return PackageParser.generateProviderInfo( 7973 provider, flags, ps.readUserState(userId), userId); 7974 } 7975 return null; 7976 } 7977 } 7978 7979 /** 7980 * @deprecated 7981 */ 7982 @Deprecated 7983 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 7984 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 7985 return; 7986 } 7987 // reader 7988 synchronized (mPackages) { 7989 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 7990 .entrySet().iterator(); 7991 final int userId = UserHandle.getCallingUserId(); 7992 while (i.hasNext()) { 7993 Map.Entry<String, PackageParser.Provider> entry = i.next(); 7994 PackageParser.Provider p = entry.getValue(); 7995 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 7996 7997 if (ps != null && p.syncable 7998 && (!mSafeMode || (p.info.applicationInfo.flags 7999 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 8000 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 8001 ps.readUserState(userId), userId); 8002 if (info != null) { 8003 outNames.add(entry.getKey()); 8004 outInfo.add(info); 8005 } 8006 } 8007 } 8008 } 8009 } 8010 8011 @Override 8012 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 8013 int uid, int flags, String metaDataKey) { 8014 final int callingUid = Binder.getCallingUid(); 8015 final int userId = processName != null ? UserHandle.getUserId(uid) 8016 : UserHandle.getCallingUserId(); 8017 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 8018 flags = updateFlagsForComponent(flags, userId, processName); 8019 ArrayList<ProviderInfo> finalList = null; 8020 // reader 8021 synchronized (mPackages) { 8022 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 8023 while (i.hasNext()) { 8024 final PackageParser.Provider p = i.next(); 8025 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 8026 if (ps != null && p.info.authority != null 8027 && (processName == null 8028 || (p.info.processName.equals(processName) 8029 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 8030 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 8031 8032 // See PM.queryContentProviders()'s javadoc for why we have the metaData 8033 // parameter. 8034 if (metaDataKey != null 8035 && (p.metaData == null || !p.metaData.containsKey(metaDataKey))) { 8036 continue; 8037 } 8038 final ComponentName component = 8039 new ComponentName(p.info.packageName, p.info.name); 8040 if (filterAppAccessLPr(ps, callingUid, component, TYPE_PROVIDER, userId)) { 8041 continue; 8042 } 8043 if (finalList == null) { 8044 finalList = new ArrayList<ProviderInfo>(3); 8045 } 8046 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 8047 ps.readUserState(userId), userId); 8048 if (info != null) { 8049 finalList.add(info); 8050 } 8051 } 8052 } 8053 } 8054 8055 if (finalList != null) { 8056 Collections.sort(finalList, mProviderInitOrderSorter); 8057 return new ParceledListSlice<ProviderInfo>(finalList); 8058 } 8059 8060 return ParceledListSlice.emptyList(); 8061 } 8062 8063 @Override 8064 public InstrumentationInfo getInstrumentationInfo(ComponentName component, int flags) { 8065 // reader 8066 synchronized (mPackages) { 8067 final int callingUid = Binder.getCallingUid(); 8068 final int callingUserId = UserHandle.getUserId(callingUid); 8069 final PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 8070 if (ps == null) return null; 8071 if (filterAppAccessLPr(ps, callingUid, component, TYPE_UNKNOWN, callingUserId)) { 8072 return null; 8073 } 8074 final PackageParser.Instrumentation i = mInstrumentation.get(component); 8075 return PackageParser.generateInstrumentationInfo(i, flags); 8076 } 8077 } 8078 8079 @Override 8080 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 8081 String targetPackage, int flags) { 8082 final int callingUid = Binder.getCallingUid(); 8083 final int callingUserId = UserHandle.getUserId(callingUid); 8084 final PackageSetting ps = mSettings.mPackages.get(targetPackage); 8085 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 8086 return ParceledListSlice.emptyList(); 8087 } 8088 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 8089 } 8090 8091 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 8092 int flags) { 8093 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 8094 8095 // reader 8096 synchronized (mPackages) { 8097 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 8098 while (i.hasNext()) { 8099 final PackageParser.Instrumentation p = i.next(); 8100 if (targetPackage == null 8101 || targetPackage.equals(p.info.targetPackage)) { 8102 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 8103 flags); 8104 if (ii != null) { 8105 finalList.add(ii); 8106 } 8107 } 8108 } 8109 } 8110 8111 return finalList; 8112 } 8113 8114 private void scanDirTracedLI(File scanDir, final int parseFlags, int scanFlags, long currentTime) { 8115 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir [" + scanDir.getAbsolutePath() + "]"); 8116 try { 8117 scanDirLI(scanDir, parseFlags, scanFlags, currentTime); 8118 } finally { 8119 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8120 } 8121 } 8122 8123 private void scanDirLI(File scanDir, int parseFlags, int scanFlags, long currentTime) { 8124 final File[] files = scanDir.listFiles(); 8125 if (ArrayUtils.isEmpty(files)) { 8126 Log.d(TAG, "No files in app dir " + scanDir); 8127 return; 8128 } 8129 8130 if (DEBUG_PACKAGE_SCANNING) { 8131 Log.d(TAG, "Scanning app dir " + scanDir + " scanFlags=" + scanFlags 8132 + " flags=0x" + Integer.toHexString(parseFlags)); 8133 } 8134 try (ParallelPackageParser parallelPackageParser = new ParallelPackageParser( 8135 mSeparateProcesses, mOnlyCore, mMetrics, mCacheDir, 8136 mParallelPackageParserCallback)) { 8137 // Submit files for parsing in parallel 8138 int fileCount = 0; 8139 for (File file : files) { 8140 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 8141 && !PackageInstallerService.isStageName(file.getName()); 8142 if (!isPackage) { 8143 // Ignore entries which are not packages 8144 continue; 8145 } 8146 parallelPackageParser.submit(file, parseFlags); 8147 fileCount++; 8148 } 8149 8150 // Process results one by one 8151 for (; fileCount > 0; fileCount--) { 8152 ParallelPackageParser.ParseResult parseResult = parallelPackageParser.take(); 8153 Throwable throwable = parseResult.throwable; 8154 int errorCode = PackageManager.INSTALL_SUCCEEDED; 8155 8156 if (throwable == null) { 8157 // TODO(toddke): move lower in the scan chain 8158 // Static shared libraries have synthetic package names 8159 if (parseResult.pkg.applicationInfo.isStaticSharedLibrary()) { 8160 renameStaticSharedLibraryPackage(parseResult.pkg); 8161 } 8162 try { 8163 if (errorCode == PackageManager.INSTALL_SUCCEEDED) { 8164 scanPackageChildLI(parseResult.pkg, parseFlags, scanFlags, 8165 currentTime, null); 8166 } 8167 } catch (PackageManagerException e) { 8168 errorCode = e.error; 8169 Slog.w(TAG, "Failed to scan " + parseResult.scanFile + ": " + e.getMessage()); 8170 } 8171 } else if (throwable instanceof PackageParser.PackageParserException) { 8172 PackageParser.PackageParserException e = (PackageParser.PackageParserException) 8173 throwable; 8174 errorCode = e.error; 8175 Slog.w(TAG, "Failed to parse " + parseResult.scanFile + ": " + e.getMessage()); 8176 } else { 8177 throw new IllegalStateException("Unexpected exception occurred while parsing " 8178 + parseResult.scanFile, throwable); 8179 } 8180 8181 // Delete invalid userdata apps 8182 if ((scanFlags & SCAN_AS_SYSTEM) == 0 && 8183 errorCode == PackageManager.INSTALL_FAILED_INVALID_APK) { 8184 logCriticalInfo(Log.WARN, 8185 "Deleting invalid package at " + parseResult.scanFile); 8186 removeCodePathLI(parseResult.scanFile); 8187 } 8188 } 8189 } 8190 } 8191 8192 public static void reportSettingsProblem(int priority, String msg) { 8193 logCriticalInfo(priority, msg); 8194 } 8195 8196 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, 8197 final @ParseFlags int parseFlags, boolean forceCollect) throws PackageManagerException { 8198 // When upgrading from pre-N MR1, verify the package time stamp using the package 8199 // directory and not the APK file. 8200 final long lastModifiedTime = mIsPreNMR1Upgrade 8201 ? new File(pkg.codePath).lastModified() : getLastModifiedTime(pkg); 8202 if (ps != null && !forceCollect 8203 && ps.codePathString.equals(pkg.codePath) 8204 && ps.timeStamp == lastModifiedTime 8205 && !isCompatSignatureUpdateNeeded(pkg) 8206 && !isRecoverSignatureUpdateNeeded(pkg)) { 8207 if (ps.signatures.mSignatures != null 8208 && ps.signatures.mSignatures.length != 0 8209 && ps.signatures.mSignatureSchemeVersion != SignatureSchemeVersion.UNKNOWN) { 8210 // Optimization: reuse the existing cached signing data 8211 // if the package appears to be unchanged. 8212 try { 8213 pkg.mSigningDetails = new PackageParser.SigningDetails(ps.signatures.mSignatures, 8214 ps.signatures.mSignatureSchemeVersion); 8215 return; 8216 } catch (CertificateException e) { 8217 Slog.e(TAG, "Attempt to read public keys from persisted signatures failed for " 8218 + ps.name, e); 8219 } 8220 } 8221 8222 Slog.w(TAG, "PackageSetting for " + ps.name 8223 + " is missing signatures. Collecting certs again to recover them."); 8224 } else { 8225 Slog.i(TAG, pkg.codePath + " changed; collecting certs" + 8226 (forceCollect ? " (forced)" : "")); 8227 } 8228 8229 try { 8230 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 8231 PackageParser.collectCertificates(pkg, parseFlags); 8232 } catch (PackageParserException e) { 8233 throw PackageManagerException.from(e); 8234 } finally { 8235 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8236 } 8237 } 8238 8239 /** 8240 * Traces a package scan. 8241 * @see #scanPackageLI(File, int, int, long, UserHandle) 8242 */ 8243 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 8244 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 8245 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage [" + scanFile.toString() + "]"); 8246 try { 8247 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 8248 } finally { 8249 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8250 } 8251 } 8252 8253 /** 8254 * Scans a package and returns the newly parsed package. 8255 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 8256 */ 8257 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 8258 long currentTime, UserHandle user) throws PackageManagerException { 8259 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 8260 PackageParser pp = new PackageParser(); 8261 pp.setSeparateProcesses(mSeparateProcesses); 8262 pp.setOnlyCoreApps(mOnlyCore); 8263 pp.setDisplayMetrics(mMetrics); 8264 pp.setCallback(mPackageParserCallback); 8265 8266 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 8267 final PackageParser.Package pkg; 8268 try { 8269 pkg = pp.parsePackage(scanFile, parseFlags); 8270 } catch (PackageParserException e) { 8271 throw PackageManagerException.from(e); 8272 } finally { 8273 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8274 } 8275 8276 // Static shared libraries have synthetic package names 8277 if (pkg.applicationInfo.isStaticSharedLibrary()) { 8278 renameStaticSharedLibraryPackage(pkg); 8279 } 8280 8281 return scanPackageChildLI(pkg, parseFlags, scanFlags, currentTime, user); 8282 } 8283 8284 /** 8285 * Scans a package and returns the newly parsed package. 8286 * @throws PackageManagerException on a parse error. 8287 */ 8288 private PackageParser.Package scanPackageChildLI(PackageParser.Package pkg, 8289 final @ParseFlags int parseFlags, @ScanFlags int scanFlags, long currentTime, 8290 @Nullable UserHandle user) 8291 throws PackageManagerException { 8292 // If the package has children and this is the first dive in the function 8293 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 8294 // packages (parent and children) would be successfully scanned before the 8295 // actual scan since scanning mutates internal state and we want to atomically 8296 // install the package and its children. 8297 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8298 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 8299 scanFlags |= SCAN_CHECK_ONLY; 8300 } 8301 } else { 8302 scanFlags &= ~SCAN_CHECK_ONLY; 8303 } 8304 8305 // Scan the parent 8306 PackageParser.Package scannedPkg = addForInitLI(pkg, parseFlags, 8307 scanFlags, currentTime, user); 8308 8309 // Scan the children 8310 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8311 for (int i = 0; i < childCount; i++) { 8312 PackageParser.Package childPackage = pkg.childPackages.get(i); 8313 addForInitLI(childPackage, parseFlags, scanFlags, 8314 currentTime, user); 8315 } 8316 8317 8318 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8319 return scanPackageChildLI(pkg, parseFlags, scanFlags, currentTime, user); 8320 } 8321 8322 return scannedPkg; 8323 } 8324 8325 // Temporary to catch potential issues with refactoring 8326 private static boolean REFACTOR_DEBUG = true; 8327 /** 8328 * Adds a new package to the internal data structures during platform initialization. 8329 * <p>After adding, the package is known to the system and available for querying. 8330 * <p>For packages located on the device ROM [eg. packages located in /system, /vendor, 8331 * etc...], additional checks are performed. Basic verification [such as ensuring 8332 * matching signatures, checking version codes, etc...] occurs if the package is 8333 * identical to a previously known package. If the package fails a signature check, 8334 * the version installed on /data will be removed. If the version of the new package 8335 * is less than or equal than the version on /data, it will be ignored. 8336 * <p>Regardless of the package location, the results are applied to the internal 8337 * structures and the package is made available to the rest of the system. 8338 * <p>NOTE: The return value should be removed. It's the passed in package object. 8339 */ 8340 private PackageParser.Package addForInitLI(PackageParser.Package pkg, 8341 @ParseFlags int parseFlags, @ScanFlags int scanFlags, long currentTime, 8342 @Nullable UserHandle user) 8343 throws PackageManagerException { 8344 final boolean scanSystemPartition = (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0; 8345 final String renamedPkgName; 8346 final PackageSetting disabledPkgSetting; 8347 final boolean isSystemPkgUpdated; 8348 final boolean pkgAlreadyExists; 8349 PackageSetting pkgSetting; 8350 8351 // NOTE: installPackageLI() has the same code to setup the package's 8352 // application info. This probably should be done lower in the call 8353 // stack [such as scanPackageOnly()]. However, we verify the application 8354 // info prior to that [in scanPackageNew()] and thus have to setup 8355 // the application info early. 8356 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 8357 pkg.setApplicationInfoCodePath(pkg.codePath); 8358 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 8359 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 8360 pkg.setApplicationInfoResourcePath(pkg.codePath); 8361 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 8362 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 8363 8364 synchronized (mPackages) { 8365 renamedPkgName = mSettings.getRenamedPackageLPr(pkg.mRealPackage); 8366 final String realPkgName = getRealPackageName(pkg, renamedPkgName); 8367if (REFACTOR_DEBUG) { 8368Slog.e("TODD", 8369 "Add pkg: " + pkg.packageName + (realPkgName==null?"":", realName: " + realPkgName)); 8370} 8371 if (realPkgName != null) { 8372 ensurePackageRenamed(pkg, renamedPkgName); 8373 } 8374 final PackageSetting originalPkgSetting = getOriginalPackageLocked(pkg, renamedPkgName); 8375 final PackageSetting installedPkgSetting = mSettings.getPackageLPr(pkg.packageName); 8376 pkgSetting = originalPkgSetting == null ? installedPkgSetting : originalPkgSetting; 8377 pkgAlreadyExists = pkgSetting != null; 8378 final String disabledPkgName = pkgAlreadyExists ? pkgSetting.name : pkg.packageName; 8379 disabledPkgSetting = mSettings.getDisabledSystemPkgLPr(disabledPkgName); 8380 isSystemPkgUpdated = disabledPkgSetting != null; 8381 8382 if (DEBUG_INSTALL && isSystemPkgUpdated) { 8383 Slog.d(TAG, "updatedPkg = " + disabledPkgSetting); 8384 } 8385if (REFACTOR_DEBUG) { 8386Slog.e("TODD", 8387 "SSP? " + scanSystemPartition 8388 + ", exists? " + pkgAlreadyExists + (pkgAlreadyExists?" "+pkgSetting.toString():"") 8389 + ", upgraded? " + isSystemPkgUpdated + (isSystemPkgUpdated?" "+disabledPkgSetting.toString():"")); 8390} 8391 8392 final SharedUserSetting sharedUserSetting = (pkg.mSharedUserId != null) 8393 ? mSettings.getSharedUserLPw(pkg.mSharedUserId, 8394 0 /*pkgFlags*/, 0 /*pkgPrivateFlags*/, true) 8395 : null; 8396 if (DEBUG_PACKAGE_SCANNING 8397 && (parseFlags & PackageParser.PARSE_CHATTY) != 0 8398 && sharedUserSetting != null) { 8399 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId 8400 + " (uid=" + sharedUserSetting.userId + "):" 8401 + " packages=" + sharedUserSetting.packages); 8402if (REFACTOR_DEBUG) { 8403Slog.e("TODD", 8404 "Shared UserID " + pkg.mSharedUserId 8405 + " (uid=" + sharedUserSetting.userId + "):" 8406 + " packages=" + sharedUserSetting.packages); 8407} 8408 } 8409 8410 if (scanSystemPartition) { 8411 // Potentially prune child packages. If the application on the /system 8412 // partition has been updated via OTA, but, is still disabled by a 8413 // version on /data, cycle through all of its children packages and 8414 // remove children that are no longer defined. 8415 if (isSystemPkgUpdated) { 8416if (REFACTOR_DEBUG) { 8417Slog.e("TODD", 8418 "Disable child packages"); 8419} 8420 final int scannedChildCount = (pkg.childPackages != null) 8421 ? pkg.childPackages.size() : 0; 8422 final int disabledChildCount = disabledPkgSetting.childPackageNames != null 8423 ? disabledPkgSetting.childPackageNames.size() : 0; 8424 for (int i = 0; i < disabledChildCount; i++) { 8425 String disabledChildPackageName = 8426 disabledPkgSetting.childPackageNames.get(i); 8427 boolean disabledPackageAvailable = false; 8428 for (int j = 0; j < scannedChildCount; j++) { 8429 PackageParser.Package childPkg = pkg.childPackages.get(j); 8430 if (childPkg.packageName.equals(disabledChildPackageName)) { 8431if (REFACTOR_DEBUG) { 8432Slog.e("TODD", 8433 "Ignore " + disabledChildPackageName); 8434} 8435 disabledPackageAvailable = true; 8436 break; 8437 } 8438 } 8439 if (!disabledPackageAvailable) { 8440if (REFACTOR_DEBUG) { 8441Slog.e("TODD", 8442 "Disable " + disabledChildPackageName); 8443} 8444 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 8445 } 8446 } 8447 // we're updating the disabled package, so, scan it as the package setting 8448 final ScanRequest request = new ScanRequest(pkg, sharedUserSetting, 8449 disabledPkgSetting /* pkgSetting */, null /* disabledPkgSetting */, 8450 null /* originalPkgSetting */, null, parseFlags, scanFlags, 8451 (pkg == mPlatformPackage), user); 8452if (REFACTOR_DEBUG) { 8453Slog.e("TODD", 8454 "Scan disabled system package"); 8455Slog.e("TODD", 8456 "Pre: " + request.pkgSetting.dumpState_temp()); 8457} 8458final ScanResult result = 8459 scanPackageOnlyLI(request, mFactoryTest, -1L); 8460if (REFACTOR_DEBUG) { 8461Slog.e("TODD", 8462 "Post: " + (result.success?result.pkgSetting.dumpState_temp():"FAILED scan")); 8463} 8464 } 8465 } 8466 } 8467 8468 final boolean newPkgChangedPaths = 8469 pkgAlreadyExists && !pkgSetting.codePathString.equals(pkg.codePath); 8470if (REFACTOR_DEBUG) { 8471Slog.e("TODD", 8472 "paths changed? " + newPkgChangedPaths 8473 + "; old: " + pkg.codePath 8474 + ", new: " + (pkgSetting==null?"<<NULL>>":pkgSetting.codePathString)); 8475} 8476 final boolean newPkgVersionGreater = 8477 pkgAlreadyExists && pkg.getLongVersionCode() > pkgSetting.versionCode; 8478if (REFACTOR_DEBUG) { 8479Slog.e("TODD", 8480 "version greater? " + newPkgVersionGreater 8481 + "; old: " + pkg.getLongVersionCode() 8482 + ", new: " + (pkgSetting==null?"<<NULL>>":pkgSetting.versionCode)); 8483} 8484 final boolean isSystemPkgBetter = scanSystemPartition && isSystemPkgUpdated 8485 && newPkgChangedPaths && newPkgVersionGreater; 8486if (REFACTOR_DEBUG) { 8487 Slog.e("TODD", 8488 "system better? " + isSystemPkgBetter); 8489} 8490 if (isSystemPkgBetter) { 8491 // The version of the application on /system is greater than the version on 8492 // /data. Switch back to the application on /system. 8493 // It's safe to assume the application on /system will correctly scan. If not, 8494 // there won't be a working copy of the application. 8495 synchronized (mPackages) { 8496 // just remove the loaded entries from package lists 8497 mPackages.remove(pkgSetting.name); 8498 } 8499 8500 logCriticalInfo(Log.WARN, 8501 "System package updated;" 8502 + " name: " + pkgSetting.name 8503 + "; " + pkgSetting.versionCode + " --> " + pkg.getLongVersionCode() 8504 + "; " + pkgSetting.codePathString + " --> " + pkg.codePath); 8505if (REFACTOR_DEBUG) { 8506Slog.e("TODD", 8507 "System package changed;" 8508 + " name: " + pkgSetting.name 8509 + "; " + pkgSetting.versionCode + " --> " + pkg.getLongVersionCode() 8510 + "; " + pkgSetting.codePathString + " --> " + pkg.codePath); 8511} 8512 8513 final InstallArgs args = createInstallArgsForExisting( 8514 packageFlagsToInstallFlags(pkgSetting), pkgSetting.codePathString, 8515 pkgSetting.resourcePathString, getAppDexInstructionSets(pkgSetting)); 8516 args.cleanUpResourcesLI(); 8517 synchronized (mPackages) { 8518 mSettings.enableSystemPackageLPw(pkgSetting.name); 8519 } 8520 } 8521 8522 if (scanSystemPartition && isSystemPkgUpdated && !isSystemPkgBetter) { 8523if (REFACTOR_DEBUG) { 8524Slog.e("TODD", 8525 "THROW exception; system pkg version not good enough"); 8526} 8527 // The version of the application on the /system partition is less than or 8528 // equal to the version on the /data partition. Throw an exception and use 8529 // the application already installed on the /data partition. 8530 throw new PackageManagerException(Log.WARN, "Package " + pkg.packageName + " at " 8531 + pkg.codePath + " ignored: updated version " + disabledPkgSetting.versionCode 8532 + " better than this " + pkg.getLongVersionCode()); 8533 } 8534 8535 // Verify certificates against what was last scanned. If it is an updated priv app, we will 8536 // force the verification. Full apk verification will happen unless apk verity is set up for 8537 // the file. In that case, only small part of the apk is verified upfront. 8538 collectCertificatesLI(pkgSetting, pkg, parseFlags, 8539 PackageManagerServiceUtils.isApkVerificationForced(disabledPkgSetting)); 8540 8541 boolean shouldHideSystemApp = false; 8542 // A new application appeared on /system, but, we already have a copy of 8543 // the application installed on /data. 8544 if (scanSystemPartition && !isSystemPkgUpdated && pkgAlreadyExists 8545 && !pkgSetting.isSystem()) { 8546 // if the signatures don't match, wipe the installed application and its data 8547 if (compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSigningDetails.signatures) 8548 != PackageManager.SIGNATURE_MATCH) { 8549 logCriticalInfo(Log.WARN, 8550 "System package signature mismatch;" 8551 + " name: " + pkgSetting.name); 8552if (REFACTOR_DEBUG) { 8553Slog.e("TODD", 8554 "System package signature mismatch;" 8555 + " name: " + pkgSetting.name); 8556} 8557 try (PackageFreezer freezer = freezePackage(pkg.packageName, 8558 "scanPackageInternalLI")) { 8559 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 8560 } 8561 pkgSetting = null; 8562 } else if (newPkgVersionGreater) { 8563 // The application on /system is newer than the application on /data. 8564 // Simply remove the application on /data [keeping application data] 8565 // and replace it with the version on /system. 8566 logCriticalInfo(Log.WARN, 8567 "System package enabled;" 8568 + " name: " + pkgSetting.name 8569 + "; " + pkgSetting.versionCode + " --> " + pkg.getLongVersionCode() 8570 + "; " + pkgSetting.codePathString + " --> " + pkg.codePath); 8571if (REFACTOR_DEBUG) { 8572Slog.e("TODD", 8573 "System package enabled;" 8574 + " name: " + pkgSetting.name 8575 + "; " + pkgSetting.versionCode + " --> " + pkg.getLongVersionCode() 8576 + "; " + pkgSetting.codePathString + " --> " + pkg.codePath); 8577} 8578 InstallArgs args = createInstallArgsForExisting( 8579 packageFlagsToInstallFlags(pkgSetting), pkgSetting.codePathString, 8580 pkgSetting.resourcePathString, getAppDexInstructionSets(pkgSetting)); 8581 synchronized (mInstallLock) { 8582 args.cleanUpResourcesLI(); 8583 } 8584 } else { 8585 // The application on /system is older than the application on /data. Hide 8586 // the application on /system and the version on /data will be scanned later 8587 // and re-added like an update. 8588 shouldHideSystemApp = true; 8589 logCriticalInfo(Log.INFO, 8590 "System package disabled;" 8591 + " name: " + pkgSetting.name 8592 + "; old: " + pkgSetting.codePathString + " @ " + pkgSetting.versionCode 8593 + "; new: " + pkg.codePath + " @ " + pkg.codePath); 8594if (REFACTOR_DEBUG) { 8595Slog.e("TODD", 8596 "System package disabled;" 8597 + " name: " + pkgSetting.name 8598 + "; old: " + pkgSetting.codePathString + " @ " + pkgSetting.versionCode 8599 + "; new: " + pkg.codePath + " @ " + pkg.codePath); 8600} 8601 } 8602 } 8603 8604if (REFACTOR_DEBUG) { 8605Slog.e("TODD", 8606 "Scan package"); 8607Slog.e("TODD", 8608 "Pre: " + (pkgSetting==null?"<<NONE>>":pkgSetting.dumpState_temp())); 8609} 8610 final PackageParser.Package scannedPkg = scanPackageNewLI(pkg, parseFlags, scanFlags 8611 | SCAN_UPDATE_SIGNATURE, currentTime, user); 8612if (REFACTOR_DEBUG) { 8613pkgSetting = mSettings.getPackageLPr(pkg.packageName); 8614Slog.e("TODD", 8615 "Post: " + (pkgSetting==null?"<<NONE>>":pkgSetting.dumpState_temp())); 8616} 8617 8618 if (shouldHideSystemApp) { 8619if (REFACTOR_DEBUG) { 8620Slog.e("TODD", 8621 "Disable package: " + pkg.packageName); 8622} 8623 synchronized (mPackages) { 8624 mSettings.disableSystemPackageLPw(pkg.packageName, true); 8625 } 8626 } 8627 return scannedPkg; 8628 } 8629 8630 private static void renameStaticSharedLibraryPackage(PackageParser.Package pkg) { 8631 // Derive the new package synthetic package name 8632 pkg.setPackageName(pkg.packageName + STATIC_SHARED_LIB_DELIMITER 8633 + pkg.staticSharedLibVersion); 8634 } 8635 8636 private static String fixProcessName(String defProcessName, 8637 String processName) { 8638 if (processName == null) { 8639 return defProcessName; 8640 } 8641 return processName; 8642 } 8643 8644 /** 8645 * Enforces that only the system UID or root's UID can call a method exposed 8646 * via Binder. 8647 * 8648 * @param message used as message if SecurityException is thrown 8649 * @throws SecurityException if the caller is not system or root 8650 */ 8651 private static final void enforceSystemOrRoot(String message) { 8652 final int uid = Binder.getCallingUid(); 8653 if (uid != Process.SYSTEM_UID && uid != Process.ROOT_UID) { 8654 throw new SecurityException(message); 8655 } 8656 } 8657 8658 @Override 8659 public void performFstrimIfNeeded() { 8660 enforceSystemOrRoot("Only the system can request fstrim"); 8661 8662 // Before everything else, see whether we need to fstrim. 8663 try { 8664 IStorageManager sm = PackageHelper.getStorageManager(); 8665 if (sm != null) { 8666 boolean doTrim = false; 8667 final long interval = android.provider.Settings.Global.getLong( 8668 mContext.getContentResolver(), 8669 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 8670 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 8671 if (interval > 0) { 8672 final long timeSinceLast = System.currentTimeMillis() - sm.lastMaintenance(); 8673 if (timeSinceLast > interval) { 8674 doTrim = true; 8675 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 8676 + "; running immediately"); 8677 } 8678 } 8679 if (doTrim) { 8680 final boolean dexOptDialogShown; 8681 synchronized (mPackages) { 8682 dexOptDialogShown = mDexOptDialogShown; 8683 } 8684 if (!isFirstBoot() && dexOptDialogShown) { 8685 try { 8686 ActivityManager.getService().showBootMessage( 8687 mContext.getResources().getString( 8688 R.string.android_upgrading_fstrim), true); 8689 } catch (RemoteException e) { 8690 } 8691 } 8692 sm.runMaintenance(); 8693 } 8694 } else { 8695 Slog.e(TAG, "storageManager service unavailable!"); 8696 } 8697 } catch (RemoteException e) { 8698 // Can't happen; StorageManagerService is local 8699 } 8700 } 8701 8702 @Override 8703 public void updatePackagesIfNeeded() { 8704 enforceSystemOrRoot("Only the system can request package update"); 8705 8706 // We need to re-extract after an OTA. 8707 boolean causeUpgrade = isUpgrade(); 8708 8709 // First boot or factory reset. 8710 // Note: we also handle devices that are upgrading to N right now as if it is their 8711 // first boot, as they do not have profile data. 8712 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 8713 8714 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 8715 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 8716 8717 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 8718 return; 8719 } 8720 8721 List<PackageParser.Package> pkgs; 8722 synchronized (mPackages) { 8723 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 8724 } 8725 8726 final long startTime = System.nanoTime(); 8727 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 8728 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT), 8729 false /* bootComplete */); 8730 8731 final int elapsedTimeSeconds = 8732 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 8733 8734 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 8735 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 8736 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 8737 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 8738 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 8739 } 8740 8741 /* 8742 * Return the prebuilt profile path given a package base code path. 8743 */ 8744 private static String getPrebuildProfilePath(PackageParser.Package pkg) { 8745 return pkg.baseCodePath + ".prof"; 8746 } 8747 8748 /** 8749 * Performs dexopt on the set of packages in {@code packages} and returns an int array 8750 * containing statistics about the invocation. The array consists of three elements, 8751 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 8752 * and {@code numberOfPackagesFailed}. 8753 */ 8754 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 8755 final String compilerFilter, boolean bootComplete) { 8756 8757 int numberOfPackagesVisited = 0; 8758 int numberOfPackagesOptimized = 0; 8759 int numberOfPackagesSkipped = 0; 8760 int numberOfPackagesFailed = 0; 8761 final int numberOfPackagesToDexopt = pkgs.size(); 8762 8763 for (PackageParser.Package pkg : pkgs) { 8764 numberOfPackagesVisited++; 8765 8766 boolean useProfileForDexopt = false; 8767 8768 if ((isFirstBoot() || isUpgrade()) && isSystemApp(pkg)) { 8769 // Copy over initial preopt profiles since we won't get any JIT samples for methods 8770 // that are already compiled. 8771 File profileFile = new File(getPrebuildProfilePath(pkg)); 8772 // Copy profile if it exists. 8773 if (profileFile.exists()) { 8774 try { 8775 // We could also do this lazily before calling dexopt in 8776 // PackageDexOptimizer to prevent this happening on first boot. The issue 8777 // is that we don't have a good way to say "do this only once". 8778 if (!mInstaller.copySystemProfile(profileFile.getAbsolutePath(), 8779 pkg.applicationInfo.uid, pkg.packageName)) { 8780 Log.e(TAG, "Installer failed to copy system profile!"); 8781 } else { 8782 // Disabled as this causes speed-profile compilation during first boot 8783 // even if things are already compiled. 8784 // useProfileForDexopt = true; 8785 } 8786 } catch (Exception e) { 8787 Log.e(TAG, "Failed to copy profile " + profileFile.getAbsolutePath() + " ", 8788 e); 8789 } 8790 } else { 8791 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 8792 // Handle compressed APKs in this path. Only do this for stubs with profiles to 8793 // minimize the number off apps being speed-profile compiled during first boot. 8794 // The other paths will not change the filter. 8795 if (disabledPs != null && disabledPs.pkg.isStub) { 8796 // The package is the stub one, remove the stub suffix to get the normal 8797 // package and APK names. 8798 String systemProfilePath = 8799 getPrebuildProfilePath(disabledPs.pkg).replace(STUB_SUFFIX, ""); 8800 profileFile = new File(systemProfilePath); 8801 // If we have a profile for a compressed APK, copy it to the reference 8802 // location. 8803 // Note that copying the profile here will cause it to override the 8804 // reference profile every OTA even though the existing reference profile 8805 // may have more data. We can't copy during decompression since the 8806 // directories are not set up at that point. 8807 if (profileFile.exists()) { 8808 try { 8809 // We could also do this lazily before calling dexopt in 8810 // PackageDexOptimizer to prevent this happening on first boot. The 8811 // issue is that we don't have a good way to say "do this only 8812 // once". 8813 if (!mInstaller.copySystemProfile(profileFile.getAbsolutePath(), 8814 pkg.applicationInfo.uid, pkg.packageName)) { 8815 Log.e(TAG, "Failed to copy system profile for stub package!"); 8816 } else { 8817 useProfileForDexopt = true; 8818 } 8819 } catch (Exception e) { 8820 Log.e(TAG, "Failed to copy profile " + 8821 profileFile.getAbsolutePath() + " ", e); 8822 } 8823 } 8824 } 8825 } 8826 } 8827 8828 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 8829 if (DEBUG_DEXOPT) { 8830 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 8831 } 8832 numberOfPackagesSkipped++; 8833 continue; 8834 } 8835 8836 if (DEBUG_DEXOPT) { 8837 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 8838 numberOfPackagesToDexopt + ": " + pkg.packageName); 8839 } 8840 8841 if (showDialog) { 8842 try { 8843 ActivityManager.getService().showBootMessage( 8844 mContext.getResources().getString(R.string.android_upgrading_apk, 8845 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 8846 } catch (RemoteException e) { 8847 } 8848 synchronized (mPackages) { 8849 mDexOptDialogShown = true; 8850 } 8851 } 8852 8853 String pkgCompilerFilter = compilerFilter; 8854 if (useProfileForDexopt) { 8855 // Use background dexopt mode to try and use the profile. Note that this does not 8856 // guarantee usage of the profile. 8857 pkgCompilerFilter = 8858 PackageManagerServiceCompilerMapping.getCompilerFilterForReason( 8859 PackageManagerService.REASON_BACKGROUND_DEXOPT); 8860 } 8861 8862 // checkProfiles is false to avoid merging profiles during boot which 8863 // might interfere with background compilation (b/28612421). 8864 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 8865 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 8866 // trade-off worth doing to save boot time work. 8867 int dexoptFlags = bootComplete ? DexoptOptions.DEXOPT_BOOT_COMPLETE : 0; 8868 int primaryDexOptStaus = performDexOptTraced(new DexoptOptions( 8869 pkg.packageName, 8870 pkgCompilerFilter, 8871 dexoptFlags)); 8872 8873 switch (primaryDexOptStaus) { 8874 case PackageDexOptimizer.DEX_OPT_PERFORMED: 8875 numberOfPackagesOptimized++; 8876 break; 8877 case PackageDexOptimizer.DEX_OPT_SKIPPED: 8878 numberOfPackagesSkipped++; 8879 break; 8880 case PackageDexOptimizer.DEX_OPT_FAILED: 8881 numberOfPackagesFailed++; 8882 break; 8883 default: 8884 Log.e(TAG, "Unexpected dexopt return code " + primaryDexOptStaus); 8885 break; 8886 } 8887 } 8888 8889 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 8890 numberOfPackagesFailed }; 8891 } 8892 8893 @Override 8894 public void notifyPackageUse(String packageName, int reason) { 8895 synchronized (mPackages) { 8896 final int callingUid = Binder.getCallingUid(); 8897 final int callingUserId = UserHandle.getUserId(callingUid); 8898 if (getInstantAppPackageName(callingUid) != null) { 8899 if (!isCallerSameApp(packageName, callingUid)) { 8900 return; 8901 } 8902 } else { 8903 if (isInstantApp(packageName, callingUserId)) { 8904 return; 8905 } 8906 } 8907 notifyPackageUseLocked(packageName, reason); 8908 } 8909 } 8910 8911 private void notifyPackageUseLocked(String packageName, int reason) { 8912 final PackageParser.Package p = mPackages.get(packageName); 8913 if (p == null) { 8914 return; 8915 } 8916 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 8917 } 8918 8919 @Override 8920 public void notifyDexLoad(String loadingPackageName, List<String> classLoaderNames, 8921 List<String> classPaths, String loaderIsa) { 8922 int userId = UserHandle.getCallingUserId(); 8923 ApplicationInfo ai = getApplicationInfo(loadingPackageName, /*flags*/ 0, userId); 8924 if (ai == null) { 8925 Slog.w(TAG, "Loading a package that does not exist for the calling user. package=" 8926 + loadingPackageName + ", user=" + userId); 8927 return; 8928 } 8929 mDexManager.notifyDexLoad(ai, classLoaderNames, classPaths, loaderIsa, userId); 8930 } 8931 8932 @Override 8933 public void registerDexModule(String packageName, String dexModulePath, boolean isSharedModule, 8934 IDexModuleRegisterCallback callback) { 8935 int userId = UserHandle.getCallingUserId(); 8936 ApplicationInfo ai = getApplicationInfo(packageName, /*flags*/ 0, userId); 8937 DexManager.RegisterDexModuleResult result; 8938 if (ai == null) { 8939 Slog.w(TAG, "Registering a dex module for a package that does not exist for the" + 8940 " calling user. package=" + packageName + ", user=" + userId); 8941 result = new DexManager.RegisterDexModuleResult(false, "Package not installed"); 8942 } else { 8943 result = mDexManager.registerDexModule(ai, dexModulePath, isSharedModule, userId); 8944 } 8945 8946 if (callback != null) { 8947 mHandler.post(() -> { 8948 try { 8949 callback.onDexModuleRegistered(dexModulePath, result.success, result.message); 8950 } catch (RemoteException e) { 8951 Slog.w(TAG, "Failed to callback after module registration " + dexModulePath, e); 8952 } 8953 }); 8954 } 8955 } 8956 8957 /** 8958 * Ask the package manager to perform a dex-opt with the given compiler filter. 8959 * 8960 * Note: exposed only for the shell command to allow moving packages explicitly to a 8961 * definite state. 8962 */ 8963 @Override 8964 public boolean performDexOptMode(String packageName, 8965 boolean checkProfiles, String targetCompilerFilter, boolean force, 8966 boolean bootComplete, String splitName) { 8967 int flags = (checkProfiles ? DexoptOptions.DEXOPT_CHECK_FOR_PROFILES_UPDATES : 0) | 8968 (force ? DexoptOptions.DEXOPT_FORCE : 0) | 8969 (bootComplete ? DexoptOptions.DEXOPT_BOOT_COMPLETE : 0); 8970 return performDexOpt(new DexoptOptions(packageName, targetCompilerFilter, 8971 splitName, flags)); 8972 } 8973 8974 /** 8975 * Ask the package manager to perform a dex-opt with the given compiler filter on the 8976 * secondary dex files belonging to the given package. 8977 * 8978 * Note: exposed only for the shell command to allow moving packages explicitly to a 8979 * definite state. 8980 */ 8981 @Override 8982 public boolean performDexOptSecondary(String packageName, String compilerFilter, 8983 boolean force) { 8984 int flags = DexoptOptions.DEXOPT_ONLY_SECONDARY_DEX | 8985 DexoptOptions.DEXOPT_CHECK_FOR_PROFILES_UPDATES | 8986 DexoptOptions.DEXOPT_BOOT_COMPLETE | 8987 (force ? DexoptOptions.DEXOPT_FORCE : 0); 8988 return performDexOpt(new DexoptOptions(packageName, compilerFilter, flags)); 8989 } 8990 8991 /*package*/ boolean performDexOpt(DexoptOptions options) { 8992 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 8993 return false; 8994 } else if (isInstantApp(options.getPackageName(), UserHandle.getCallingUserId())) { 8995 return false; 8996 } 8997 8998 if (options.isDexoptOnlySecondaryDex()) { 8999 return mDexManager.dexoptSecondaryDex(options); 9000 } else { 9001 int dexoptStatus = performDexOptWithStatus(options); 9002 return dexoptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 9003 } 9004 } 9005 9006 /** 9007 * Perform dexopt on the given package and return one of following result: 9008 * {@link PackageDexOptimizer#DEX_OPT_SKIPPED} 9009 * {@link PackageDexOptimizer#DEX_OPT_PERFORMED} 9010 * {@link PackageDexOptimizer#DEX_OPT_FAILED} 9011 */ 9012 /* package */ int performDexOptWithStatus(DexoptOptions options) { 9013 return performDexOptTraced(options); 9014 } 9015 9016 private int performDexOptTraced(DexoptOptions options) { 9017 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 9018 try { 9019 return performDexOptInternal(options); 9020 } finally { 9021 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9022 } 9023 } 9024 9025 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 9026 // if the package can now be considered up to date for the given filter. 9027 private int performDexOptInternal(DexoptOptions options) { 9028 PackageParser.Package p; 9029 synchronized (mPackages) { 9030 p = mPackages.get(options.getPackageName()); 9031 if (p == null) { 9032 // Package could not be found. Report failure. 9033 return PackageDexOptimizer.DEX_OPT_FAILED; 9034 } 9035 mPackageUsage.maybeWriteAsync(mPackages); 9036 mCompilerStats.maybeWriteAsync(); 9037 } 9038 long callingId = Binder.clearCallingIdentity(); 9039 try { 9040 synchronized (mInstallLock) { 9041 return performDexOptInternalWithDependenciesLI(p, options); 9042 } 9043 } finally { 9044 Binder.restoreCallingIdentity(callingId); 9045 } 9046 } 9047 9048 public ArraySet<String> getOptimizablePackages() { 9049 ArraySet<String> pkgs = new ArraySet<String>(); 9050 synchronized (mPackages) { 9051 for (PackageParser.Package p : mPackages.values()) { 9052 if (PackageDexOptimizer.canOptimizePackage(p)) { 9053 pkgs.add(p.packageName); 9054 } 9055 } 9056 } 9057 return pkgs; 9058 } 9059 9060 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 9061 DexoptOptions options) { 9062 // Select the dex optimizer based on the force parameter. 9063 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 9064 // allocate an object here. 9065 PackageDexOptimizer pdo = options.isForce() 9066 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 9067 : mPackageDexOptimizer; 9068 9069 // Dexopt all dependencies first. Note: we ignore the return value and march on 9070 // on errors. 9071 // Note that we are going to call performDexOpt on those libraries as many times as 9072 // they are referenced in packages. When we do a batch of performDexOpt (for example 9073 // at boot, or background job), the passed 'targetCompilerFilter' stays the same, 9074 // and the first package that uses the library will dexopt it. The 9075 // others will see that the compiled code for the library is up to date. 9076 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 9077 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 9078 if (!deps.isEmpty()) { 9079 DexoptOptions libraryOptions = new DexoptOptions(options.getPackageName(), 9080 options.getCompilerFilter(), options.getSplitName(), 9081 options.getFlags() | DexoptOptions.DEXOPT_AS_SHARED_LIBRARY); 9082 for (PackageParser.Package depPackage : deps) { 9083 // TODO: Analyze and investigate if we (should) profile libraries. 9084 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 9085 getOrCreateCompilerPackageStats(depPackage), 9086 mDexManager.getPackageUseInfoOrDefault(depPackage.packageName), libraryOptions); 9087 } 9088 } 9089 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, 9090 getOrCreateCompilerPackageStats(p), 9091 mDexManager.getPackageUseInfoOrDefault(p.packageName), options); 9092 } 9093 9094 /** 9095 * Reconcile the information we have about the secondary dex files belonging to 9096 * {@code packagName} and the actual dex files. For all dex files that were 9097 * deleted, update the internal records and delete the generated oat files. 9098 */ 9099 @Override 9100 public void reconcileSecondaryDexFiles(String packageName) { 9101 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 9102 return; 9103 } else if (isInstantApp(packageName, UserHandle.getCallingUserId())) { 9104 return; 9105 } 9106 mDexManager.reconcileSecondaryDexFiles(packageName); 9107 } 9108 9109 // TODO(calin): this is only needed for BackgroundDexOptService. Find a cleaner way to inject 9110 // a reference there. 9111 /*package*/ DexManager getDexManager() { 9112 return mDexManager; 9113 } 9114 9115 /** 9116 * Execute the background dexopt job immediately. 9117 */ 9118 @Override 9119 public boolean runBackgroundDexoptJob(@Nullable List<String> packageNames) { 9120 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 9121 return false; 9122 } 9123 return BackgroundDexOptService.runIdleOptimizationsNow(this, mContext, packageNames); 9124 } 9125 9126 List<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 9127 if (p.usesLibraries != null || p.usesOptionalLibraries != null 9128 || p.usesStaticLibraries != null) { 9129 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 9130 Set<String> collectedNames = new HashSet<>(); 9131 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 9132 9133 retValue.remove(p); 9134 9135 return retValue; 9136 } else { 9137 return Collections.emptyList(); 9138 } 9139 } 9140 9141 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 9142 ArrayList<PackageParser.Package> collected, Set<String> collectedNames) { 9143 if (!collectedNames.contains(p.packageName)) { 9144 collectedNames.add(p.packageName); 9145 collected.add(p); 9146 9147 if (p.usesLibraries != null) { 9148 findSharedNonSystemLibrariesRecursive(p.usesLibraries, 9149 null, collected, collectedNames); 9150 } 9151 if (p.usesOptionalLibraries != null) { 9152 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, 9153 null, collected, collectedNames); 9154 } 9155 if (p.usesStaticLibraries != null) { 9156 findSharedNonSystemLibrariesRecursive(p.usesStaticLibraries, 9157 p.usesStaticLibrariesVersions, collected, collectedNames); 9158 } 9159 } 9160 } 9161 9162 private void findSharedNonSystemLibrariesRecursive(ArrayList<String> libs, long[] versions, 9163 ArrayList<PackageParser.Package> collected, Set<String> collectedNames) { 9164 final int libNameCount = libs.size(); 9165 for (int i = 0; i < libNameCount; i++) { 9166 String libName = libs.get(i); 9167 long version = (versions != null && versions.length == libNameCount) 9168 ? versions[i] : PackageManager.VERSION_CODE_HIGHEST; 9169 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName, version); 9170 if (libPkg != null) { 9171 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 9172 } 9173 } 9174 } 9175 9176 private PackageParser.Package findSharedNonSystemLibrary(String name, long version) { 9177 synchronized (mPackages) { 9178 SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(name, version); 9179 if (libEntry != null) { 9180 return mPackages.get(libEntry.apk); 9181 } 9182 return null; 9183 } 9184 } 9185 9186 private SharedLibraryEntry getSharedLibraryEntryLPr(String name, long version) { 9187 LongSparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 9188 if (versionedLib == null) { 9189 return null; 9190 } 9191 return versionedLib.get(version); 9192 } 9193 9194 private SharedLibraryEntry getLatestSharedLibraVersionLPr(PackageParser.Package pkg) { 9195 LongSparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get( 9196 pkg.staticSharedLibName); 9197 if (versionedLib == null) { 9198 return null; 9199 } 9200 long previousLibVersion = -1; 9201 final int versionCount = versionedLib.size(); 9202 for (int i = 0; i < versionCount; i++) { 9203 final long libVersion = versionedLib.keyAt(i); 9204 if (libVersion < pkg.staticSharedLibVersion) { 9205 previousLibVersion = Math.max(previousLibVersion, libVersion); 9206 } 9207 } 9208 if (previousLibVersion >= 0) { 9209 return versionedLib.get(previousLibVersion); 9210 } 9211 return null; 9212 } 9213 9214 public void shutdown() { 9215 mPackageUsage.writeNow(mPackages); 9216 mCompilerStats.writeNow(); 9217 mDexManager.writePackageDexUsageNow(); 9218 } 9219 9220 @Override 9221 public void dumpProfiles(String packageName) { 9222 PackageParser.Package pkg; 9223 synchronized (mPackages) { 9224 pkg = mPackages.get(packageName); 9225 if (pkg == null) { 9226 throw new IllegalArgumentException("Unknown package: " + packageName); 9227 } 9228 } 9229 /* Only the shell, root, or the app user should be able to dump profiles. */ 9230 int callingUid = Binder.getCallingUid(); 9231 if (callingUid != Process.SHELL_UID && 9232 callingUid != Process.ROOT_UID && 9233 callingUid != pkg.applicationInfo.uid) { 9234 throw new SecurityException("dumpProfiles"); 9235 } 9236 9237 synchronized (mInstallLock) { 9238 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 9239 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 9240 try { 9241 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 9242 String codePaths = TextUtils.join(";", allCodePaths); 9243 mInstaller.dumpProfiles(sharedGid, packageName, codePaths); 9244 } catch (InstallerException e) { 9245 Slog.w(TAG, "Failed to dump profiles", e); 9246 } 9247 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9248 } 9249 } 9250 9251 @Override 9252 public void forceDexOpt(String packageName) { 9253 enforceSystemOrRoot("forceDexOpt"); 9254 9255 PackageParser.Package pkg; 9256 synchronized (mPackages) { 9257 pkg = mPackages.get(packageName); 9258 if (pkg == null) { 9259 throw new IllegalArgumentException("Unknown package: " + packageName); 9260 } 9261 } 9262 9263 synchronized (mInstallLock) { 9264 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 9265 9266 // Whoever is calling forceDexOpt wants a compiled package. 9267 // Don't use profiles since that may cause compilation to be skipped. 9268 final int res = performDexOptInternalWithDependenciesLI( 9269 pkg, 9270 new DexoptOptions(packageName, 9271 getDefaultCompilerFilter(), 9272 DexoptOptions.DEXOPT_FORCE | DexoptOptions.DEXOPT_BOOT_COMPLETE)); 9273 9274 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9275 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 9276 throw new IllegalStateException("Failed to dexopt: " + res); 9277 } 9278 } 9279 } 9280 9281 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 9282 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 9283 Slog.w(TAG, "Unable to update from " + oldPkg.name 9284 + " to " + newPkg.packageName 9285 + ": old package not in system partition"); 9286 return false; 9287 } else if (mPackages.get(oldPkg.name) != null) { 9288 Slog.w(TAG, "Unable to update from " + oldPkg.name 9289 + " to " + newPkg.packageName 9290 + ": old package still exists"); 9291 return false; 9292 } 9293 return true; 9294 } 9295 9296 void removeCodePathLI(File codePath) { 9297 if (codePath.isDirectory()) { 9298 try { 9299 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 9300 } catch (InstallerException e) { 9301 Slog.w(TAG, "Failed to remove code path", e); 9302 } 9303 } else { 9304 codePath.delete(); 9305 } 9306 } 9307 9308 private int[] resolveUserIds(int userId) { 9309 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 9310 } 9311 9312 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 9313 if (pkg == null) { 9314 Slog.wtf(TAG, "Package was null!", new Throwable()); 9315 return; 9316 } 9317 clearAppDataLeafLIF(pkg, userId, flags); 9318 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9319 for (int i = 0; i < childCount; i++) { 9320 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 9321 } 9322 } 9323 9324 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 9325 final PackageSetting ps; 9326 synchronized (mPackages) { 9327 ps = mSettings.mPackages.get(pkg.packageName); 9328 } 9329 for (int realUserId : resolveUserIds(userId)) { 9330 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 9331 try { 9332 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 9333 ceDataInode); 9334 } catch (InstallerException e) { 9335 Slog.w(TAG, String.valueOf(e)); 9336 } 9337 } 9338 } 9339 9340 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 9341 if (pkg == null) { 9342 Slog.wtf(TAG, "Package was null!", new Throwable()); 9343 return; 9344 } 9345 destroyAppDataLeafLIF(pkg, userId, flags); 9346 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9347 for (int i = 0; i < childCount; i++) { 9348 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 9349 } 9350 } 9351 9352 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 9353 final PackageSetting ps; 9354 synchronized (mPackages) { 9355 ps = mSettings.mPackages.get(pkg.packageName); 9356 } 9357 for (int realUserId : resolveUserIds(userId)) { 9358 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 9359 try { 9360 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 9361 ceDataInode); 9362 } catch (InstallerException e) { 9363 Slog.w(TAG, String.valueOf(e)); 9364 } 9365 mDexManager.notifyPackageDataDestroyed(pkg.packageName, userId); 9366 } 9367 } 9368 9369 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 9370 if (pkg == null) { 9371 Slog.wtf(TAG, "Package was null!", new Throwable()); 9372 return; 9373 } 9374 destroyAppProfilesLeafLIF(pkg); 9375 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9376 for (int i = 0; i < childCount; i++) { 9377 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 9378 } 9379 } 9380 9381 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 9382 try { 9383 mInstaller.destroyAppProfiles(pkg.packageName); 9384 } catch (InstallerException e) { 9385 Slog.w(TAG, String.valueOf(e)); 9386 } 9387 } 9388 9389 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 9390 if (pkg == null) { 9391 Slog.wtf(TAG, "Package was null!", new Throwable()); 9392 return; 9393 } 9394 clearAppProfilesLeafLIF(pkg); 9395 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9396 for (int i = 0; i < childCount; i++) { 9397 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 9398 } 9399 } 9400 9401 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 9402 try { 9403 mInstaller.clearAppProfiles(pkg.packageName); 9404 } catch (InstallerException e) { 9405 Slog.w(TAG, String.valueOf(e)); 9406 } 9407 } 9408 9409 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 9410 long lastUpdateTime) { 9411 // Set parent install/update time 9412 PackageSetting ps = (PackageSetting) pkg.mExtras; 9413 if (ps != null) { 9414 ps.firstInstallTime = firstInstallTime; 9415 ps.lastUpdateTime = lastUpdateTime; 9416 } 9417 // Set children install/update time 9418 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9419 for (int i = 0; i < childCount; i++) { 9420 PackageParser.Package childPkg = pkg.childPackages.get(i); 9421 ps = (PackageSetting) childPkg.mExtras; 9422 if (ps != null) { 9423 ps.firstInstallTime = firstInstallTime; 9424 ps.lastUpdateTime = lastUpdateTime; 9425 } 9426 } 9427 } 9428 9429 private void addSharedLibraryLPr(Set<String> usesLibraryFiles, 9430 SharedLibraryEntry file, 9431 PackageParser.Package changingLib) { 9432 if (file.path != null) { 9433 usesLibraryFiles.add(file.path); 9434 return; 9435 } 9436 PackageParser.Package p = mPackages.get(file.apk); 9437 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 9438 // If we are doing this while in the middle of updating a library apk, 9439 // then we need to make sure to use that new apk for determining the 9440 // dependencies here. (We haven't yet finished committing the new apk 9441 // to the package manager state.) 9442 if (p == null || p.packageName.equals(changingLib.packageName)) { 9443 p = changingLib; 9444 } 9445 } 9446 if (p != null) { 9447 usesLibraryFiles.addAll(p.getAllCodePaths()); 9448 if (p.usesLibraryFiles != null) { 9449 Collections.addAll(usesLibraryFiles, p.usesLibraryFiles); 9450 } 9451 } 9452 } 9453 9454 private void updateSharedLibrariesLPr(PackageParser.Package pkg, 9455 PackageParser.Package changingLib) throws PackageManagerException { 9456 if (pkg == null) { 9457 return; 9458 } 9459 // The collection used here must maintain the order of addition (so 9460 // that libraries are searched in the correct order) and must have no 9461 // duplicates. 9462 Set<String> usesLibraryFiles = null; 9463 if (pkg.usesLibraries != null) { 9464 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesLibraries, 9465 null, null, pkg.packageName, changingLib, true, 9466 pkg.applicationInfo.targetSdkVersion, null); 9467 } 9468 if (pkg.usesStaticLibraries != null) { 9469 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesStaticLibraries, 9470 pkg.usesStaticLibrariesVersions, pkg.usesStaticLibrariesCertDigests, 9471 pkg.packageName, changingLib, true, 9472 pkg.applicationInfo.targetSdkVersion, usesLibraryFiles); 9473 } 9474 if (pkg.usesOptionalLibraries != null) { 9475 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesOptionalLibraries, 9476 null, null, pkg.packageName, changingLib, false, 9477 pkg.applicationInfo.targetSdkVersion, usesLibraryFiles); 9478 } 9479 if (!ArrayUtils.isEmpty(usesLibraryFiles)) { 9480 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[usesLibraryFiles.size()]); 9481 } else { 9482 pkg.usesLibraryFiles = null; 9483 } 9484 } 9485 9486 private Set<String> addSharedLibrariesLPw(@NonNull List<String> requestedLibraries, 9487 @Nullable long[] requiredVersions, @Nullable String[][] requiredCertDigests, 9488 @NonNull String packageName, @Nullable PackageParser.Package changingLib, 9489 boolean required, int targetSdk, @Nullable Set<String> outUsedLibraries) 9490 throws PackageManagerException { 9491 final int libCount = requestedLibraries.size(); 9492 for (int i = 0; i < libCount; i++) { 9493 final String libName = requestedLibraries.get(i); 9494 final long libVersion = requiredVersions != null ? requiredVersions[i] 9495 : SharedLibraryInfo.VERSION_UNDEFINED; 9496 final SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(libName, libVersion); 9497 if (libEntry == null) { 9498 if (required) { 9499 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 9500 "Package " + packageName + " requires unavailable shared library " 9501 + libName + "; failing!"); 9502 } else if (DEBUG_SHARED_LIBRARIES) { 9503 Slog.i(TAG, "Package " + packageName 9504 + " desires unavailable shared library " 9505 + libName + "; ignoring!"); 9506 } 9507 } else { 9508 if (requiredVersions != null && requiredCertDigests != null) { 9509 if (libEntry.info.getLongVersion() != requiredVersions[i]) { 9510 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 9511 "Package " + packageName + " requires unavailable static shared" 9512 + " library " + libName + " version " 9513 + libEntry.info.getLongVersion() + "; failing!"); 9514 } 9515 9516 PackageParser.Package libPkg = mPackages.get(libEntry.apk); 9517 if (libPkg == null) { 9518 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 9519 "Package " + packageName + " requires unavailable static shared" 9520 + " library; failing!"); 9521 } 9522 9523 final String[] expectedCertDigests = requiredCertDigests[i]; 9524 // For apps targeting O MR1 we require explicit enumeration of all certs. 9525 final String[] libCertDigests = (targetSdk > Build.VERSION_CODES.O) 9526 ? PackageUtils.computeSignaturesSha256Digests( 9527 libPkg.mSigningDetails.signatures) 9528 : PackageUtils.computeSignaturesSha256Digests( 9529 new Signature[]{libPkg.mSigningDetails.signatures[0]}); 9530 9531 // Take a shortcut if sizes don't match. Note that if an app doesn't 9532 // target O we don't parse the "additional-certificate" tags similarly 9533 // how we only consider all certs only for apps targeting O (see above). 9534 // Therefore, the size check is safe to make. 9535 if (expectedCertDigests.length != libCertDigests.length) { 9536 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 9537 "Package " + packageName + " requires differently signed" + 9538 " static shared library; failing!"); 9539 } 9540 9541 // Use a predictable order as signature order may vary 9542 Arrays.sort(libCertDigests); 9543 Arrays.sort(expectedCertDigests); 9544 9545 final int certCount = libCertDigests.length; 9546 for (int j = 0; j < certCount; j++) { 9547 if (!libCertDigests[j].equalsIgnoreCase(expectedCertDigests[j])) { 9548 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 9549 "Package " + packageName + " requires differently signed" + 9550 " static shared library; failing!"); 9551 } 9552 } 9553 } 9554 9555 if (outUsedLibraries == null) { 9556 // Use LinkedHashSet to preserve the order of files added to 9557 // usesLibraryFiles while eliminating duplicates. 9558 outUsedLibraries = new LinkedHashSet<>(); 9559 } 9560 addSharedLibraryLPr(outUsedLibraries, libEntry, changingLib); 9561 } 9562 } 9563 return outUsedLibraries; 9564 } 9565 9566 private static boolean hasString(List<String> list, List<String> which) { 9567 if (list == null) { 9568 return false; 9569 } 9570 for (int i=list.size()-1; i>=0; i--) { 9571 for (int j=which.size()-1; j>=0; j--) { 9572 if (which.get(j).equals(list.get(i))) { 9573 return true; 9574 } 9575 } 9576 } 9577 return false; 9578 } 9579 9580 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 9581 PackageParser.Package changingPkg) { 9582 ArrayList<PackageParser.Package> res = null; 9583 for (PackageParser.Package pkg : mPackages.values()) { 9584 if (changingPkg != null 9585 && !hasString(pkg.usesLibraries, changingPkg.libraryNames) 9586 && !hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames) 9587 && !ArrayUtils.contains(pkg.usesStaticLibraries, 9588 changingPkg.staticSharedLibName)) { 9589 return null; 9590 } 9591 if (res == null) { 9592 res = new ArrayList<>(); 9593 } 9594 res.add(pkg); 9595 try { 9596 updateSharedLibrariesLPr(pkg, changingPkg); 9597 } catch (PackageManagerException e) { 9598 // If a system app update or an app and a required lib missing we 9599 // delete the package and for updated system apps keep the data as 9600 // it is better for the user to reinstall than to be in an limbo 9601 // state. Also libs disappearing under an app should never happen 9602 // - just in case. 9603 if (!pkg.isSystem() || pkg.isUpdatedSystemApp()) { 9604 final int flags = pkg.isUpdatedSystemApp() 9605 ? PackageManager.DELETE_KEEP_DATA : 0; 9606 deletePackageLIF(pkg.packageName, null, true, sUserManager.getUserIds(), 9607 flags , null, true, null); 9608 } 9609 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 9610 } 9611 } 9612 return res; 9613 } 9614 9615 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 9616 final @ParseFlags int parseFlags, @ScanFlags int scanFlags, long currentTime, 9617 @Nullable UserHandle user) throws PackageManagerException { 9618 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 9619 // If the package has children and this is the first dive in the function 9620 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 9621 // whether all packages (parent and children) would be successfully scanned 9622 // before the actual scan since scanning mutates internal state and we want 9623 // to atomically install the package and its children. 9624 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 9625 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 9626 scanFlags |= SCAN_CHECK_ONLY; 9627 } 9628 } else { 9629 scanFlags &= ~SCAN_CHECK_ONLY; 9630 } 9631 9632 final PackageParser.Package scannedPkg; 9633 try { 9634 // Scan the parent 9635 scannedPkg = scanPackageNewLI(pkg, parseFlags, scanFlags, currentTime, user); 9636 // Scan the children 9637 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9638 for (int i = 0; i < childCount; i++) { 9639 PackageParser.Package childPkg = pkg.childPackages.get(i); 9640 scanPackageNewLI(childPkg, parseFlags, 9641 scanFlags, currentTime, user); 9642 } 9643 } finally { 9644 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9645 } 9646 9647 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 9648 return scanPackageTracedLI(pkg, parseFlags, scanFlags, currentTime, user); 9649 } 9650 9651 return scannedPkg; 9652 } 9653 9654 /** The result of a package scan. */ 9655 private static class ScanResult { 9656 /** Whether or not the package scan was successful */ 9657 public final boolean success; 9658 /** 9659 * The final package settings. This may be the same object passed in 9660 * the {@link ScanRequest}, but, with modified values. 9661 */ 9662 @Nullable public final PackageSetting pkgSetting; 9663 /** ABI code paths that have changed in the package scan */ 9664 @Nullable public final List<String> changedAbiCodePath; 9665 public ScanResult( 9666 boolean success, 9667 @Nullable PackageSetting pkgSetting, 9668 @Nullable List<String> changedAbiCodePath) { 9669 this.success = success; 9670 this.pkgSetting = pkgSetting; 9671 this.changedAbiCodePath = changedAbiCodePath; 9672 } 9673 } 9674 9675 /** A package to be scanned */ 9676 private static class ScanRequest { 9677 /** The parsed package */ 9678 @NonNull public final PackageParser.Package pkg; 9679 /** Shared user settings, if the package has a shared user */ 9680 @Nullable public final SharedUserSetting sharedUserSetting; 9681 /** 9682 * Package settings of the currently installed version. 9683 * <p><em>IMPORTANT:</em> The contents of this object may be modified 9684 * during scan. 9685 */ 9686 @Nullable public final PackageSetting pkgSetting; 9687 /** A copy of the settings for the currently installed version */ 9688 @Nullable public final PackageSetting oldPkgSetting; 9689 /** Package settings for the disabled version on the /system partition */ 9690 @Nullable public final PackageSetting disabledPkgSetting; 9691 /** Package settings for the installed version under its original package name */ 9692 @Nullable public final PackageSetting originalPkgSetting; 9693 /** The real package name of a renamed application */ 9694 @Nullable public final String realPkgName; 9695 public final @ParseFlags int parseFlags; 9696 public final @ScanFlags int scanFlags; 9697 /** The user for which the package is being scanned */ 9698 @Nullable public final UserHandle user; 9699 /** Whether or not the platform package is being scanned */ 9700 public final boolean isPlatformPackage; 9701 public ScanRequest( 9702 @NonNull PackageParser.Package pkg, 9703 @Nullable SharedUserSetting sharedUserSetting, 9704 @Nullable PackageSetting pkgSetting, 9705 @Nullable PackageSetting disabledPkgSetting, 9706 @Nullable PackageSetting originalPkgSetting, 9707 @Nullable String realPkgName, 9708 @ParseFlags int parseFlags, 9709 @ScanFlags int scanFlags, 9710 boolean isPlatformPackage, 9711 @Nullable UserHandle user) { 9712 this.pkg = pkg; 9713 this.pkgSetting = pkgSetting; 9714 this.sharedUserSetting = sharedUserSetting; 9715 this.oldPkgSetting = pkgSetting == null ? null : new PackageSetting(pkgSetting); 9716 this.disabledPkgSetting = disabledPkgSetting; 9717 this.originalPkgSetting = originalPkgSetting; 9718 this.realPkgName = realPkgName; 9719 this.parseFlags = parseFlags; 9720 this.scanFlags = scanFlags; 9721 this.isPlatformPackage = isPlatformPackage; 9722 this.user = user; 9723 } 9724 } 9725 9726 /** 9727 * Returns the actual scan flags depending upon the state of the other settings. 9728 * <p>Updated system applications will not have the following flags set 9729 * by default and need to be adjusted after the fact: 9730 * <ul> 9731 * <li>{@link #SCAN_AS_SYSTEM}</li> 9732 * <li>{@link #SCAN_AS_PRIVILEGED}</li> 9733 * <li>{@link #SCAN_AS_OEM}</li> 9734 * <li>{@link #SCAN_AS_VENDOR}</li> 9735 * <li>{@link #SCAN_AS_INSTANT_APP}</li> 9736 * <li>{@link #SCAN_AS_VIRTUAL_PRELOAD}</li> 9737 * </ul> 9738 */ 9739 private static @ScanFlags int adjustScanFlags(@ScanFlags int scanFlags, 9740 PackageSetting pkgSetting, PackageSetting disabledPkgSetting, UserHandle user) { 9741 if (disabledPkgSetting != null) { 9742 // updated system application, must at least have SCAN_AS_SYSTEM 9743 scanFlags |= SCAN_AS_SYSTEM; 9744 if ((disabledPkgSetting.pkgPrivateFlags 9745 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 9746 scanFlags |= SCAN_AS_PRIVILEGED; 9747 } 9748 if ((disabledPkgSetting.pkgPrivateFlags 9749 & ApplicationInfo.PRIVATE_FLAG_OEM) != 0) { 9750 scanFlags |= SCAN_AS_OEM; 9751 } 9752 if ((disabledPkgSetting.pkgPrivateFlags 9753 & ApplicationInfo.PRIVATE_FLAG_VENDOR) != 0) { 9754 scanFlags |= SCAN_AS_VENDOR; 9755 } 9756 } 9757 if (pkgSetting != null) { 9758 final int userId = ((user == null) ? 0 : user.getIdentifier()); 9759 if (pkgSetting.getInstantApp(userId)) { 9760 scanFlags |= SCAN_AS_INSTANT_APP; 9761 } 9762 if (pkgSetting.getVirtulalPreload(userId)) { 9763 scanFlags |= SCAN_AS_VIRTUAL_PRELOAD; 9764 } 9765 } 9766 return scanFlags; 9767 } 9768 9769 @GuardedBy("mInstallLock") 9770 private PackageParser.Package scanPackageNewLI(@NonNull PackageParser.Package pkg, 9771 final @ParseFlags int parseFlags, @ScanFlags int scanFlags, long currentTime, 9772 @Nullable UserHandle user) throws PackageManagerException { 9773 9774 final String renamedPkgName = mSettings.getRenamedPackageLPr(pkg.mRealPackage); 9775 final String realPkgName = getRealPackageName(pkg, renamedPkgName); 9776 if (realPkgName != null) { 9777 ensurePackageRenamed(pkg, renamedPkgName); 9778 } 9779 final PackageSetting originalPkgSetting = getOriginalPackageLocked(pkg, renamedPkgName); 9780 final PackageSetting pkgSetting = mSettings.getPackageLPr(pkg.packageName); 9781 final PackageSetting disabledPkgSetting = 9782 mSettings.getDisabledSystemPkgLPr(pkg.packageName); 9783 9784 if (mTransferedPackages.contains(pkg.packageName)) { 9785 Slog.w(TAG, "Package " + pkg.packageName 9786 + " was transferred to another, but its .apk remains"); 9787 } 9788 9789 scanFlags = adjustScanFlags(scanFlags, pkgSetting, disabledPkgSetting, user); 9790 synchronized (mPackages) { 9791 applyPolicy(pkg, parseFlags, scanFlags); 9792 assertPackageIsValid(pkg, parseFlags, scanFlags); 9793 9794 SharedUserSetting sharedUserSetting = null; 9795 if (pkg.mSharedUserId != null) { 9796 // SIDE EFFECTS; may potentially allocate a new shared user 9797 sharedUserSetting = mSettings.getSharedUserLPw( 9798 pkg.mSharedUserId, 0 /*pkgFlags*/, 0 /*pkgPrivateFlags*/, true /*create*/); 9799 if (DEBUG_PACKAGE_SCANNING) { 9800 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 9801 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId 9802 + " (uid=" + sharedUserSetting.userId + "):" 9803 + " packages=" + sharedUserSetting.packages); 9804 } 9805 } 9806 9807 boolean scanSucceeded = false; 9808 try { 9809 final ScanRequest request = new ScanRequest(pkg, sharedUserSetting, pkgSetting, 9810 disabledPkgSetting, originalPkgSetting, realPkgName, parseFlags, scanFlags, 9811 (pkg == mPlatformPackage), user); 9812 final ScanResult result = scanPackageOnlyLI(request, mFactoryTest, currentTime); 9813 if (result.success) { 9814 commitScanResultsLocked(request, result); 9815 } 9816 scanSucceeded = true; 9817 } finally { 9818 if (!scanSucceeded && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 9819 // DELETE_DATA_ON_FAILURES is only used by frozen paths 9820 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 9821 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 9822 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 9823 } 9824 } 9825 } 9826 return pkg; 9827 } 9828 9829 /** 9830 * Commits the package scan and modifies system state. 9831 * <p><em>WARNING:</em> The method may throw an excpetion in the middle 9832 * of committing the package, leaving the system in an inconsistent state. 9833 * This needs to be fixed so, once we get to this point, no errors are 9834 * possible and the system is not left in an inconsistent state. 9835 */ 9836 @GuardedBy("mPackages") 9837 private void commitScanResultsLocked(@NonNull ScanRequest request, @NonNull ScanResult result) 9838 throws PackageManagerException { 9839 final PackageParser.Package pkg = request.pkg; 9840 final @ParseFlags int parseFlags = request.parseFlags; 9841 final @ScanFlags int scanFlags = request.scanFlags; 9842 final PackageSetting oldPkgSetting = request.oldPkgSetting; 9843 final PackageSetting originalPkgSetting = request.originalPkgSetting; 9844 final PackageSetting disabledPkgSetting = request.disabledPkgSetting; 9845 final UserHandle user = request.user; 9846 final String realPkgName = request.realPkgName; 9847 final PackageSetting pkgSetting = result.pkgSetting; 9848 final List<String> changedAbiCodePath = result.changedAbiCodePath; 9849 final boolean newPkgSettingCreated = (result.pkgSetting != request.pkgSetting); 9850 9851 if (newPkgSettingCreated) { 9852 if (originalPkgSetting != null) { 9853 mSettings.addRenamedPackageLPw(pkg.packageName, originalPkgSetting.name); 9854 } 9855 // THROWS: when we can't allocate a user id. add call to check if there's 9856 // enough space to ensure we won't throw; otherwise, don't modify state 9857 mSettings.addUserToSettingLPw(pkgSetting); 9858 9859 if (originalPkgSetting != null && (scanFlags & SCAN_CHECK_ONLY) == 0) { 9860 mTransferedPackages.add(originalPkgSetting.name); 9861 } 9862 } 9863 // TODO(toddke): Consider a method specifically for modifying the Package object 9864 // post scan; or, moving this stuff out of the Package object since it has nothing 9865 // to do with the package on disk. 9866 // We need to have this here because addUserToSettingLPw() is sometimes responsible 9867 // for creating the application ID. If we did this earlier, we would be saving the 9868 // correct ID. 9869 pkg.applicationInfo.uid = pkgSetting.appId; 9870 9871 mSettings.writeUserRestrictionsLPw(pkgSetting, oldPkgSetting); 9872 9873 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realPkgName != null) { 9874 mTransferedPackages.add(pkg.packageName); 9875 } 9876 9877 // THROWS: when requested libraries that can't be found. it only changes 9878 // the state of the passed in pkg object, so, move to the top of the method 9879 // and allow it to abort 9880 if ((scanFlags & SCAN_BOOTING) == 0 9881 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9882 // Check all shared libraries and map to their actual file path. 9883 // We only do this here for apps not on a system dir, because those 9884 // are the only ones that can fail an install due to this. We 9885 // will take care of the system apps by updating all of their 9886 // library paths after the scan is done. Also during the initial 9887 // scan don't update any libs as we do this wholesale after all 9888 // apps are scanned to avoid dependency based scanning. 9889 updateSharedLibrariesLPr(pkg, null); 9890 } 9891 9892 // All versions of a static shared library are referenced with the same 9893 // package name. Internally, we use a synthetic package name to allow 9894 // multiple versions of the same shared library to be installed. So, 9895 // we need to generate the synthetic package name of the latest shared 9896 // library in order to compare signatures. 9897 PackageSetting signatureCheckPs = pkgSetting; 9898 if (pkg.applicationInfo.isStaticSharedLibrary()) { 9899 SharedLibraryEntry libraryEntry = getLatestSharedLibraVersionLPr(pkg); 9900 if (libraryEntry != null) { 9901 signatureCheckPs = mSettings.getPackageLPr(libraryEntry.apk); 9902 } 9903 } 9904 9905 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 9906 if (ksms.shouldCheckUpgradeKeySetLocked(signatureCheckPs, scanFlags)) { 9907 if (ksms.checkUpgradeKeySetLocked(signatureCheckPs, pkg)) { 9908 // We just determined the app is signed correctly, so bring 9909 // over the latest parsed certs. 9910 pkgSetting.signatures.mSignatures = pkg.mSigningDetails.signatures; 9911 } else { 9912 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9913 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 9914 "Package " + pkg.packageName + " upgrade keys do not match the " 9915 + "previously installed version"); 9916 } else { 9917 pkgSetting.signatures.mSignatures = pkg.mSigningDetails.signatures; 9918 String msg = "System package " + pkg.packageName 9919 + " signature changed; retaining data."; 9920 reportSettingsProblem(Log.WARN, msg); 9921 } 9922 } 9923 } else { 9924 try { 9925 final boolean compareCompat = isCompatSignatureUpdateNeeded(pkg); 9926 final boolean compareRecover = isRecoverSignatureUpdateNeeded(pkg); 9927 final boolean compatMatch = verifySignatures(signatureCheckPs, disabledPkgSetting, 9928 pkg.mSigningDetails, compareCompat, compareRecover); 9929 // The new KeySets will be re-added later in the scanning process. 9930 if (compatMatch) { 9931 synchronized (mPackages) { 9932 ksms.removeAppKeySetDataLPw(pkg.packageName); 9933 } 9934 } 9935 // We just determined the app is signed correctly, so bring 9936 // over the latest parsed certs. 9937 pkgSetting.signatures.mSignatures = pkg.mSigningDetails.signatures; 9938 } catch (PackageManagerException e) { 9939 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9940 throw e; 9941 } 9942 // The signature has changed, but this package is in the system 9943 // image... let's recover! 9944 pkgSetting.signatures.mSignatures = pkg.mSigningDetails.signatures; 9945 // However... if this package is part of a shared user, but it 9946 // doesn't match the signature of the shared user, let's fail. 9947 // What this means is that you can't change the signatures 9948 // associated with an overall shared user, which doesn't seem all 9949 // that unreasonable. 9950 if (signatureCheckPs.sharedUser != null) { 9951 if (compareSignatures(signatureCheckPs.sharedUser.signatures.mSignatures, 9952 pkg.mSigningDetails.signatures) != PackageManager.SIGNATURE_MATCH) { 9953 throw new PackageManagerException( 9954 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 9955 "Signature mismatch for shared user: " 9956 + pkgSetting.sharedUser); 9957 } 9958 } 9959 // File a report about this. 9960 String msg = "System package " + pkg.packageName 9961 + " signature changed; retaining data."; 9962 reportSettingsProblem(Log.WARN, msg); 9963 } 9964 } 9965 9966 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 9967 // This package wants to adopt ownership of permissions from 9968 // another package. 9969 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 9970 final String origName = pkg.mAdoptPermissions.get(i); 9971 final PackageSetting orig = mSettings.getPackageLPr(origName); 9972 if (orig != null) { 9973 if (verifyPackageUpdateLPr(orig, pkg)) { 9974 Slog.i(TAG, "Adopting permissions from " + origName + " to " 9975 + pkg.packageName); 9976 mSettings.mPermissions.transferPermissions(origName, pkg.packageName); 9977 } 9978 } 9979 } 9980 } 9981 9982 if (changedAbiCodePath != null && changedAbiCodePath.size() > 0) { 9983 for (int i = changedAbiCodePath.size() - 1; i <= 0; --i) { 9984 final String codePathString = changedAbiCodePath.get(i); 9985 try { 9986 mInstaller.rmdex(codePathString, 9987 getDexCodeInstructionSet(getPreferredInstructionSet())); 9988 } catch (InstallerException ignored) { 9989 } 9990 } 9991 } 9992 9993 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 9994 if (oldPkgSetting != null) { 9995 synchronized (mPackages) { 9996 mSettings.mPackages.put(oldPkgSetting.name, oldPkgSetting); 9997 } 9998 } 9999 } else { 10000 final int userId = user == null ? 0 : user.getIdentifier(); 10001 // Modify state for the given package setting 10002 commitPackageSettings(pkg, pkgSetting, user, scanFlags, 10003 (parseFlags & PackageParser.PARSE_CHATTY) != 0 /*chatty*/); 10004 if (pkgSetting.getInstantApp(userId)) { 10005 mInstantAppRegistry.addInstantAppLPw(userId, pkgSetting.appId); 10006 } 10007 } 10008 } 10009 10010 /** 10011 * Returns the "real" name of the package. 10012 * <p>This may differ from the package's actual name if the application has already 10013 * been installed under one of this package's original names. 10014 */ 10015 private static @Nullable String getRealPackageName(@NonNull PackageParser.Package pkg, 10016 @Nullable String renamedPkgName) { 10017 if (isPackageRenamed(pkg, renamedPkgName)) { 10018 return pkg.mRealPackage; 10019 } 10020 return null; 10021 } 10022 10023 /** Returns {@code true} if the package has been renamed. Otherwise, {@code false}. */ 10024 private static boolean isPackageRenamed(@NonNull PackageParser.Package pkg, 10025 @Nullable String renamedPkgName) { 10026 return pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(renamedPkgName); 10027 } 10028 10029 /** 10030 * Returns the original package setting. 10031 * <p>A package can migrate its name during an update. In this scenario, a package 10032 * designates a set of names that it considers as one of its original names. 10033 * <p>An original package must be signed identically and it must have the same 10034 * shared user [if any]. 10035 */ 10036 @GuardedBy("mPackages") 10037 private @Nullable PackageSetting getOriginalPackageLocked(@NonNull PackageParser.Package pkg, 10038 @Nullable String renamedPkgName) { 10039 if (!isPackageRenamed(pkg, renamedPkgName)) { 10040 return null; 10041 } 10042 for (int i = pkg.mOriginalPackages.size() - 1; i >= 0; --i) { 10043 final PackageSetting originalPs = 10044 mSettings.getPackageLPr(pkg.mOriginalPackages.get(i)); 10045 if (originalPs != null) { 10046 // the package is already installed under its original name... 10047 // but, should we use it? 10048 if (!verifyPackageUpdateLPr(originalPs, pkg)) { 10049 // the new package is incompatible with the original 10050 continue; 10051 } else if (originalPs.sharedUser != null) { 10052 if (!originalPs.sharedUser.name.equals(pkg.mSharedUserId)) { 10053 // the shared user id is incompatible with the original 10054 Slog.w(TAG, "Unable to migrate data from " + originalPs.name 10055 + " to " + pkg.packageName + ": old uid " 10056 + originalPs.sharedUser.name 10057 + " differs from " + pkg.mSharedUserId); 10058 continue; 10059 } 10060 // TODO: Add case when shared user id is added [b/28144775] 10061 } else { 10062 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 10063 + pkg.packageName + " to old name " + originalPs.name); 10064 } 10065 return originalPs; 10066 } 10067 } 10068 return null; 10069 } 10070 10071 /** 10072 * Renames the package if it was installed under a different name. 10073 * <p>When we've already installed the package under an original name, update 10074 * the new package so we can continue to have the old name. 10075 */ 10076 private static void ensurePackageRenamed(@NonNull PackageParser.Package pkg, 10077 @NonNull String renamedPackageName) { 10078 if (pkg.mOriginalPackages == null 10079 || !pkg.mOriginalPackages.contains(renamedPackageName) 10080 || pkg.packageName.equals(renamedPackageName)) { 10081 return; 10082 } 10083 pkg.setPackageName(renamedPackageName); 10084 } 10085 10086 /** 10087 * Just scans the package without any side effects. 10088 * <p>Not entirely true at the moment. There is still one side effect -- this 10089 * method potentially modifies a live {@link PackageSetting} object representing 10090 * the package being scanned. This will be resolved in the future. 10091 * 10092 * @param request Information about the package to be scanned 10093 * @param isUnderFactoryTest Whether or not the device is under factory test 10094 * @param currentTime The current time, in millis 10095 * @return The results of the scan 10096 */ 10097 @GuardedBy("mInstallLock") 10098 private static @NonNull ScanResult scanPackageOnlyLI(@NonNull ScanRequest request, 10099 boolean isUnderFactoryTest, long currentTime) 10100 throws PackageManagerException { 10101 final PackageParser.Package pkg = request.pkg; 10102 PackageSetting pkgSetting = request.pkgSetting; 10103 final PackageSetting disabledPkgSetting = request.disabledPkgSetting; 10104 final PackageSetting originalPkgSetting = request.originalPkgSetting; 10105 final @ParseFlags int parseFlags = request.parseFlags; 10106 final @ScanFlags int scanFlags = request.scanFlags; 10107 final String realPkgName = request.realPkgName; 10108 final SharedUserSetting sharedUserSetting = request.sharedUserSetting; 10109 final UserHandle user = request.user; 10110 final boolean isPlatformPackage = request.isPlatformPackage; 10111 10112 List<String> changedAbiCodePath = null; 10113 10114 if (DEBUG_PACKAGE_SCANNING) { 10115 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 10116 Log.d(TAG, "Scanning package " + pkg.packageName); 10117 } 10118 10119 if (Build.IS_DEBUGGABLE && 10120 pkg.isPrivileged() && 10121 !SystemProperties.getBoolean("pm.dexopt.priv-apps", true)) { 10122 PackageManagerServiceUtils.logPackageHasUncompressedCode(pkg); 10123 } 10124 10125 // Initialize package source and resource directories 10126 final File scanFile = new File(pkg.codePath); 10127 final File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 10128 final File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 10129 10130 // We keep references to the derived CPU Abis from settings in oder to reuse 10131 // them in the case where we're not upgrading or booting for the first time. 10132 String primaryCpuAbiFromSettings = null; 10133 String secondaryCpuAbiFromSettings = null; 10134 boolean needToDeriveAbi = (scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) != 0; 10135 10136 if (!needToDeriveAbi) { 10137 if (pkgSetting != null) { 10138 primaryCpuAbiFromSettings = pkgSetting.primaryCpuAbiString; 10139 secondaryCpuAbiFromSettings = pkgSetting.secondaryCpuAbiString; 10140 } else { 10141 // Re-scanning a system package after uninstalling updates; need to derive ABI 10142 needToDeriveAbi = true; 10143 } 10144 } 10145 10146 if (pkgSetting != null && pkgSetting.sharedUser != sharedUserSetting) { 10147 PackageManagerService.reportSettingsProblem(Log.WARN, 10148 "Package " + pkg.packageName + " shared user changed from " 10149 + (pkgSetting.sharedUser != null 10150 ? pkgSetting.sharedUser.name : "<nothing>") 10151 + " to " 10152 + (sharedUserSetting != null ? sharedUserSetting.name : "<nothing>") 10153 + "; replacing with new"); 10154 pkgSetting = null; 10155 } 10156 10157 String[] usesStaticLibraries = null; 10158 if (pkg.usesStaticLibraries != null) { 10159 usesStaticLibraries = new String[pkg.usesStaticLibraries.size()]; 10160 pkg.usesStaticLibraries.toArray(usesStaticLibraries); 10161 } 10162 final boolean createNewPackage = (pkgSetting == null); 10163 if (createNewPackage) { 10164 final String parentPackageName = (pkg.parentPackage != null) 10165 ? pkg.parentPackage.packageName : null; 10166 final boolean instantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 10167 final boolean virtualPreload = (scanFlags & SCAN_AS_VIRTUAL_PRELOAD) != 0; 10168 // REMOVE SharedUserSetting from method; update in a separate call 10169 pkgSetting = Settings.createNewSetting(pkg.packageName, originalPkgSetting, 10170 disabledPkgSetting, realPkgName, sharedUserSetting, destCodeFile, 10171 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 10172 pkg.applicationInfo.primaryCpuAbi, pkg.applicationInfo.secondaryCpuAbi, 10173 pkg.mVersionCode, pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 10174 user, true /*allowInstall*/, instantApp, virtualPreload, 10175 parentPackageName, pkg.getChildPackageNames(), 10176 UserManagerService.getInstance(), usesStaticLibraries, 10177 pkg.usesStaticLibrariesVersions); 10178 } else { 10179 // REMOVE SharedUserSetting from method; update in a separate call. 10180 // 10181 // TODO(narayan): This update is bogus. nativeLibraryDir & primaryCpuAbi, 10182 // secondaryCpuAbi are not known at this point so we always update them 10183 // to null here, only to reset them at a later point. 10184 Settings.updatePackageSetting(pkgSetting, disabledPkgSetting, sharedUserSetting, 10185 destCodeFile, destResourceFile, pkg.applicationInfo.nativeLibraryDir, 10186 pkg.applicationInfo.primaryCpuAbi, pkg.applicationInfo.secondaryCpuAbi, 10187 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 10188 pkg.getChildPackageNames(), UserManagerService.getInstance(), 10189 usesStaticLibraries, pkg.usesStaticLibrariesVersions); 10190 } 10191 if (createNewPackage && originalPkgSetting != null) { 10192 // This is the initial transition from the original package, so, 10193 // fix up the new package's name now. We must do this after looking 10194 // up the package under its new name, so getPackageLP takes care of 10195 // fiddling things correctly. 10196 pkg.setPackageName(originalPkgSetting.name); 10197 10198 // File a report about this. 10199 String msg = "New package " + pkgSetting.realName 10200 + " renamed to replace old package " + pkgSetting.name; 10201 reportSettingsProblem(Log.WARN, msg); 10202 } 10203 10204 if (disabledPkgSetting != null) { 10205 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10206 } 10207 10208 SELinuxMMAC.assignSeInfoValue(pkg); 10209 10210 pkg.mExtras = pkgSetting; 10211 pkg.applicationInfo.processName = fixProcessName( 10212 pkg.applicationInfo.packageName, 10213 pkg.applicationInfo.processName); 10214 10215 if (!isPlatformPackage) { 10216 // Get all of our default paths setup 10217 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 10218 } 10219 10220 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 10221 10222 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 10223 if (needToDeriveAbi) { 10224 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "derivePackageAbi"); 10225 final boolean extractNativeLibs = !pkg.isLibrary(); 10226 derivePackageAbi(pkg, cpuAbiOverride, extractNativeLibs); 10227 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10228 10229 // Some system apps still use directory structure for native libraries 10230 // in which case we might end up not detecting abi solely based on apk 10231 // structure. Try to detect abi based on directory structure. 10232 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 10233 pkg.applicationInfo.primaryCpuAbi == null) { 10234 setBundledAppAbisAndRoots(pkg, pkgSetting); 10235 setNativeLibraryPaths(pkg, sAppLib32InstallDir); 10236 } 10237 } else { 10238 // This is not a first boot or an upgrade, don't bother deriving the 10239 // ABI during the scan. Instead, trust the value that was stored in the 10240 // package setting. 10241 pkg.applicationInfo.primaryCpuAbi = primaryCpuAbiFromSettings; 10242 pkg.applicationInfo.secondaryCpuAbi = secondaryCpuAbiFromSettings; 10243 10244 setNativeLibraryPaths(pkg, sAppLib32InstallDir); 10245 10246 if (DEBUG_ABI_SELECTION) { 10247 Slog.i(TAG, "Using ABIS and native lib paths from settings : " + 10248 pkg.packageName + " " + pkg.applicationInfo.primaryCpuAbi + ", " + 10249 pkg.applicationInfo.secondaryCpuAbi); 10250 } 10251 } 10252 } else { 10253 if ((scanFlags & SCAN_MOVE) != 0) { 10254 // We haven't run dex-opt for this move (since we've moved the compiled output too) 10255 // but we already have this packages package info in the PackageSetting. We just 10256 // use that and derive the native library path based on the new codepath. 10257 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 10258 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 10259 } 10260 10261 // Set native library paths again. For moves, the path will be updated based on the 10262 // ABIs we've determined above. For non-moves, the path will be updated based on the 10263 // ABIs we determined during compilation, but the path will depend on the final 10264 // package path (after the rename away from the stage path). 10265 setNativeLibraryPaths(pkg, sAppLib32InstallDir); 10266 } 10267 10268 // This is a special case for the "system" package, where the ABI is 10269 // dictated by the zygote configuration (and init.rc). We should keep track 10270 // of this ABI so that we can deal with "normal" applications that run under 10271 // the same UID correctly. 10272 if (isPlatformPackage) { 10273 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 10274 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 10275 } 10276 10277 // If there's a mismatch between the abi-override in the package setting 10278 // and the abiOverride specified for the install. Warn about this because we 10279 // would've already compiled the app without taking the package setting into 10280 // account. 10281 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 10282 if (cpuAbiOverride == null && pkg.packageName != null) { 10283 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 10284 " for package " + pkg.packageName); 10285 } 10286 } 10287 10288 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 10289 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 10290 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 10291 10292 // Copy the derived override back to the parsed package, so that we can 10293 // update the package settings accordingly. 10294 pkg.cpuAbiOverride = cpuAbiOverride; 10295 10296 if (DEBUG_ABI_SELECTION) { 10297 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.packageName 10298 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 10299 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 10300 } 10301 10302 // Push the derived path down into PackageSettings so we know what to 10303 // clean up at uninstall time. 10304 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 10305 10306 if (DEBUG_ABI_SELECTION) { 10307 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 10308 " primary=" + pkg.applicationInfo.primaryCpuAbi + 10309 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 10310 } 10311 10312 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 10313 // We don't do this here during boot because we can do it all 10314 // at once after scanning all existing packages. 10315 // 10316 // We also do this *before* we perform dexopt on this package, so that 10317 // we can avoid redundant dexopts, and also to make sure we've got the 10318 // code and package path correct. 10319 changedAbiCodePath = 10320 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, pkg); 10321 } 10322 10323 if (isUnderFactoryTest && pkg.requestedPermissions.contains( 10324 android.Manifest.permission.FACTORY_TEST)) { 10325 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 10326 } 10327 10328 if (isSystemApp(pkg)) { 10329 pkgSetting.isOrphaned = true; 10330 } 10331 10332 // Take care of first install / last update times. 10333 final long scanFileTime = getLastModifiedTime(pkg); 10334 if (currentTime != 0) { 10335 if (pkgSetting.firstInstallTime == 0) { 10336 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 10337 } else if ((scanFlags & SCAN_UPDATE_TIME) != 0) { 10338 pkgSetting.lastUpdateTime = currentTime; 10339 } 10340 } else if (pkgSetting.firstInstallTime == 0) { 10341 // We need *something*. Take time time stamp of the file. 10342 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 10343 } else if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 10344 if (scanFileTime != pkgSetting.timeStamp) { 10345 // A package on the system image has changed; consider this 10346 // to be an update. 10347 pkgSetting.lastUpdateTime = scanFileTime; 10348 } 10349 } 10350 pkgSetting.setTimeStamp(scanFileTime); 10351 10352 pkgSetting.pkg = pkg; 10353 pkgSetting.pkgFlags = pkg.applicationInfo.flags; 10354 if (pkg.getLongVersionCode() != pkgSetting.versionCode) { 10355 pkgSetting.versionCode = pkg.getLongVersionCode(); 10356 } 10357 // Update volume if needed 10358 final String volumeUuid = pkg.applicationInfo.volumeUuid; 10359 if (!Objects.equals(volumeUuid, pkgSetting.volumeUuid)) { 10360 Slog.i(PackageManagerService.TAG, 10361 "Update" + (pkgSetting.isSystem() ? " system" : "") 10362 + " package " + pkg.packageName 10363 + " volume from " + pkgSetting.volumeUuid 10364 + " to " + volumeUuid); 10365 pkgSetting.volumeUuid = volumeUuid; 10366 } 10367 10368 return new ScanResult(true, pkgSetting, changedAbiCodePath); 10369 } 10370 10371 /** 10372 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 10373 */ 10374 private static boolean apkHasCode(String fileName) { 10375 StrictJarFile jarFile = null; 10376 try { 10377 jarFile = new StrictJarFile(fileName, 10378 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 10379 return jarFile.findEntry("classes.dex") != null; 10380 } catch (IOException ignore) { 10381 } finally { 10382 try { 10383 if (jarFile != null) { 10384 jarFile.close(); 10385 } 10386 } catch (IOException ignore) {} 10387 } 10388 return false; 10389 } 10390 10391 /** 10392 * Enforces code policy for the package. This ensures that if an APK has 10393 * declared hasCode="true" in its manifest that the APK actually contains 10394 * code. 10395 * 10396 * @throws PackageManagerException If bytecode could not be found when it should exist 10397 */ 10398 private static void assertCodePolicy(PackageParser.Package pkg) 10399 throws PackageManagerException { 10400 final boolean shouldHaveCode = 10401 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 10402 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 10403 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 10404 "Package " + pkg.baseCodePath + " code is missing"); 10405 } 10406 10407 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 10408 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 10409 final boolean splitShouldHaveCode = 10410 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 10411 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 10412 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 10413 "Package " + pkg.splitCodePaths[i] + " code is missing"); 10414 } 10415 } 10416 } 10417 } 10418 10419 /** 10420 * Applies policy to the parsed package based upon the given policy flags. 10421 * Ensures the package is in a good state. 10422 * <p> 10423 * Implementation detail: This method must NOT have any side effect. It would 10424 * ideally be static, but, it requires locks to read system state. 10425 */ 10426 private static void applyPolicy(PackageParser.Package pkg, final @ParseFlags int parseFlags, 10427 final @ScanFlags int scanFlags) { 10428 if ((scanFlags & SCAN_AS_SYSTEM) != 0) { 10429 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 10430 if (pkg.applicationInfo.isDirectBootAware()) { 10431 // we're direct boot aware; set for all components 10432 for (PackageParser.Service s : pkg.services) { 10433 s.info.encryptionAware = s.info.directBootAware = true; 10434 } 10435 for (PackageParser.Provider p : pkg.providers) { 10436 p.info.encryptionAware = p.info.directBootAware = true; 10437 } 10438 for (PackageParser.Activity a : pkg.activities) { 10439 a.info.encryptionAware = a.info.directBootAware = true; 10440 } 10441 for (PackageParser.Activity r : pkg.receivers) { 10442 r.info.encryptionAware = r.info.directBootAware = true; 10443 } 10444 } 10445 if (compressedFileExists(pkg.codePath)) { 10446 pkg.isStub = true; 10447 } 10448 } else { 10449 // non system apps can't be flagged as core 10450 pkg.coreApp = false; 10451 // clear flags not applicable to regular apps 10452 pkg.applicationInfo.flags &= 10453 ~ApplicationInfo.FLAG_PERSISTENT; 10454 pkg.applicationInfo.privateFlags &= 10455 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 10456 pkg.applicationInfo.privateFlags &= 10457 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 10458 // clear protected broadcasts 10459 pkg.protectedBroadcasts = null; 10460 // cap permission priorities 10461 if (pkg.permissionGroups != null && pkg.permissionGroups.size() > 0) { 10462 for (int i = pkg.permissionGroups.size() - 1; i >= 0; --i) { 10463 pkg.permissionGroups.get(i).info.priority = 0; 10464 } 10465 } 10466 } 10467 if ((scanFlags & SCAN_AS_PRIVILEGED) == 0) { 10468 // ignore export request for single user receivers 10469 if (pkg.receivers != null) { 10470 for (int i = pkg.receivers.size() - 1; i >= 0; --i) { 10471 final PackageParser.Activity receiver = pkg.receivers.get(i); 10472 if ((receiver.info.flags & ActivityInfo.FLAG_SINGLE_USER) != 0) { 10473 receiver.info.exported = false; 10474 } 10475 } 10476 } 10477 // ignore export request for single user services 10478 if (pkg.services != null) { 10479 for (int i = pkg.services.size() - 1; i >= 0; --i) { 10480 final PackageParser.Service service = pkg.services.get(i); 10481 if ((service.info.flags & ServiceInfo.FLAG_SINGLE_USER) != 0) { 10482 service.info.exported = false; 10483 } 10484 } 10485 } 10486 // ignore export request for single user providers 10487 if (pkg.providers != null) { 10488 for (int i = pkg.providers.size() - 1; i >= 0; --i) { 10489 final PackageParser.Provider provider = pkg.providers.get(i); 10490 if ((provider.info.flags & ProviderInfo.FLAG_SINGLE_USER) != 0) { 10491 provider.info.exported = false; 10492 } 10493 } 10494 } 10495 } 10496 pkg.mTrustedOverlay = (scanFlags & SCAN_TRUSTED_OVERLAY) != 0; 10497 10498 if ((scanFlags & SCAN_AS_PRIVILEGED) != 0) { 10499 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 10500 } 10501 10502 if ((scanFlags & SCAN_AS_OEM) != 0) { 10503 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_OEM; 10504 } 10505 10506 if ((scanFlags & SCAN_AS_VENDOR) != 0) { 10507 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_VENDOR; 10508 } 10509 10510 if (!isSystemApp(pkg)) { 10511 // Only system apps can use these features. 10512 pkg.mOriginalPackages = null; 10513 pkg.mRealPackage = null; 10514 pkg.mAdoptPermissions = null; 10515 } 10516 } 10517 10518 /** 10519 * Asserts the parsed package is valid according to the given policy. If the 10520 * package is invalid, for whatever reason, throws {@link PackageManagerException}. 10521 * <p> 10522 * Implementation detail: This method must NOT have any side effects. It would 10523 * ideally be static, but, it requires locks to read system state. 10524 * 10525 * @throws PackageManagerException If the package fails any of the validation checks 10526 */ 10527 private void assertPackageIsValid(PackageParser.Package pkg, final @ParseFlags int parseFlags, 10528 final @ScanFlags int scanFlags) 10529 throws PackageManagerException { 10530 if ((parseFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 10531 assertCodePolicy(pkg); 10532 } 10533 10534 if (pkg.applicationInfo.getCodePath() == null || 10535 pkg.applicationInfo.getResourcePath() == null) { 10536 // Bail out. The resource and code paths haven't been set. 10537 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 10538 "Code and resource paths haven't been set correctly"); 10539 } 10540 10541 // Make sure we're not adding any bogus keyset info 10542 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 10543 ksms.assertScannedPackageValid(pkg); 10544 10545 synchronized (mPackages) { 10546 // The special "android" package can only be defined once 10547 if (pkg.packageName.equals("android")) { 10548 if (mAndroidApplication != null) { 10549 Slog.w(TAG, "*************************************************"); 10550 Slog.w(TAG, "Core android package being redefined. Skipping."); 10551 Slog.w(TAG, " codePath=" + pkg.codePath); 10552 Slog.w(TAG, "*************************************************"); 10553 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 10554 "Core android package being redefined. Skipping."); 10555 } 10556 } 10557 10558 // A package name must be unique; don't allow duplicates 10559 if (mPackages.containsKey(pkg.packageName)) { 10560 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 10561 "Application package " + pkg.packageName 10562 + " already installed. Skipping duplicate."); 10563 } 10564 10565 if (pkg.applicationInfo.isStaticSharedLibrary()) { 10566 // Static libs have a synthetic package name containing the version 10567 // but we still want the base name to be unique. 10568 if (mPackages.containsKey(pkg.manifestPackageName)) { 10569 throw new PackageManagerException( 10570 "Duplicate static shared lib provider package"); 10571 } 10572 10573 // Static shared libraries should have at least O target SDK 10574 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.O) { 10575 throw new PackageManagerException( 10576 "Packages declaring static-shared libs must target O SDK or higher"); 10577 } 10578 10579 // Package declaring static a shared lib cannot be instant apps 10580 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 10581 throw new PackageManagerException( 10582 "Packages declaring static-shared libs cannot be instant apps"); 10583 } 10584 10585 // Package declaring static a shared lib cannot be renamed since the package 10586 // name is synthetic and apps can't code around package manager internals. 10587 if (!ArrayUtils.isEmpty(pkg.mOriginalPackages)) { 10588 throw new PackageManagerException( 10589 "Packages declaring static-shared libs cannot be renamed"); 10590 } 10591 10592 // Package declaring static a shared lib cannot declare child packages 10593 if (!ArrayUtils.isEmpty(pkg.childPackages)) { 10594 throw new PackageManagerException( 10595 "Packages declaring static-shared libs cannot have child packages"); 10596 } 10597 10598 // Package declaring static a shared lib cannot declare dynamic libs 10599 if (!ArrayUtils.isEmpty(pkg.libraryNames)) { 10600 throw new PackageManagerException( 10601 "Packages declaring static-shared libs cannot declare dynamic libs"); 10602 } 10603 10604 // Package declaring static a shared lib cannot declare shared users 10605 if (pkg.mSharedUserId != null) { 10606 throw new PackageManagerException( 10607 "Packages declaring static-shared libs cannot declare shared users"); 10608 } 10609 10610 // Static shared libs cannot declare activities 10611 if (!pkg.activities.isEmpty()) { 10612 throw new PackageManagerException( 10613 "Static shared libs cannot declare activities"); 10614 } 10615 10616 // Static shared libs cannot declare services 10617 if (!pkg.services.isEmpty()) { 10618 throw new PackageManagerException( 10619 "Static shared libs cannot declare services"); 10620 } 10621 10622 // Static shared libs cannot declare providers 10623 if (!pkg.providers.isEmpty()) { 10624 throw new PackageManagerException( 10625 "Static shared libs cannot declare content providers"); 10626 } 10627 10628 // Static shared libs cannot declare receivers 10629 if (!pkg.receivers.isEmpty()) { 10630 throw new PackageManagerException( 10631 "Static shared libs cannot declare broadcast receivers"); 10632 } 10633 10634 // Static shared libs cannot declare permission groups 10635 if (!pkg.permissionGroups.isEmpty()) { 10636 throw new PackageManagerException( 10637 "Static shared libs cannot declare permission groups"); 10638 } 10639 10640 // Static shared libs cannot declare permissions 10641 if (!pkg.permissions.isEmpty()) { 10642 throw new PackageManagerException( 10643 "Static shared libs cannot declare permissions"); 10644 } 10645 10646 // Static shared libs cannot declare protected broadcasts 10647 if (pkg.protectedBroadcasts != null) { 10648 throw new PackageManagerException( 10649 "Static shared libs cannot declare protected broadcasts"); 10650 } 10651 10652 // Static shared libs cannot be overlay targets 10653 if (pkg.mOverlayTarget != null) { 10654 throw new PackageManagerException( 10655 "Static shared libs cannot be overlay targets"); 10656 } 10657 10658 // The version codes must be ordered as lib versions 10659 long minVersionCode = Long.MIN_VALUE; 10660 long maxVersionCode = Long.MAX_VALUE; 10661 10662 LongSparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get( 10663 pkg.staticSharedLibName); 10664 if (versionedLib != null) { 10665 final int versionCount = versionedLib.size(); 10666 for (int i = 0; i < versionCount; i++) { 10667 SharedLibraryInfo libInfo = versionedLib.valueAt(i).info; 10668 final long libVersionCode = libInfo.getDeclaringPackage() 10669 .getLongVersionCode(); 10670 if (libInfo.getLongVersion() < pkg.staticSharedLibVersion) { 10671 minVersionCode = Math.max(minVersionCode, libVersionCode + 1); 10672 } else if (libInfo.getLongVersion() > pkg.staticSharedLibVersion) { 10673 maxVersionCode = Math.min(maxVersionCode, libVersionCode - 1); 10674 } else { 10675 minVersionCode = maxVersionCode = libVersionCode; 10676 break; 10677 } 10678 } 10679 } 10680 if (pkg.getLongVersionCode() < minVersionCode 10681 || pkg.getLongVersionCode() > maxVersionCode) { 10682 throw new PackageManagerException("Static shared" 10683 + " lib version codes must be ordered as lib versions"); 10684 } 10685 } 10686 10687 // Only privileged apps and updated privileged apps can add child packages. 10688 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 10689 if ((scanFlags & SCAN_AS_PRIVILEGED) == 0) { 10690 throw new PackageManagerException("Only privileged apps can add child " 10691 + "packages. Ignoring package " + pkg.packageName); 10692 } 10693 final int childCount = pkg.childPackages.size(); 10694 for (int i = 0; i < childCount; i++) { 10695 PackageParser.Package childPkg = pkg.childPackages.get(i); 10696 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 10697 childPkg.packageName)) { 10698 throw new PackageManagerException("Can't override child of " 10699 + "another disabled app. Ignoring package " + pkg.packageName); 10700 } 10701 } 10702 } 10703 10704 // If we're only installing presumed-existing packages, require that the 10705 // scanned APK is both already known and at the path previously established 10706 // for it. Previously unknown packages we pick up normally, but if we have an 10707 // a priori expectation about this package's install presence, enforce it. 10708 // With a singular exception for new system packages. When an OTA contains 10709 // a new system package, we allow the codepath to change from a system location 10710 // to the user-installed location. If we don't allow this change, any newer, 10711 // user-installed version of the application will be ignored. 10712 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 10713 if (mExpectingBetter.containsKey(pkg.packageName)) { 10714 logCriticalInfo(Log.WARN, 10715 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 10716 } else { 10717 PackageSetting known = mSettings.getPackageLPr(pkg.packageName); 10718 if (known != null) { 10719 if (DEBUG_PACKAGE_SCANNING) { 10720 Log.d(TAG, "Examining " + pkg.codePath 10721 + " and requiring known paths " + known.codePathString 10722 + " & " + known.resourcePathString); 10723 } 10724 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 10725 || !pkg.applicationInfo.getResourcePath().equals( 10726 known.resourcePathString)) { 10727 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 10728 "Application package " + pkg.packageName 10729 + " found at " + pkg.applicationInfo.getCodePath() 10730 + " but expected at " + known.codePathString 10731 + "; ignoring."); 10732 } 10733 } else { 10734 throw new PackageManagerException(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 10735 "Application package " + pkg.packageName 10736 + " not found; ignoring."); 10737 } 10738 } 10739 } 10740 10741 // Verify that this new package doesn't have any content providers 10742 // that conflict with existing packages. Only do this if the 10743 // package isn't already installed, since we don't want to break 10744 // things that are installed. 10745 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 10746 final int N = pkg.providers.size(); 10747 int i; 10748 for (i=0; i<N; i++) { 10749 PackageParser.Provider p = pkg.providers.get(i); 10750 if (p.info.authority != null) { 10751 String names[] = p.info.authority.split(";"); 10752 for (int j = 0; j < names.length; j++) { 10753 if (mProvidersByAuthority.containsKey(names[j])) { 10754 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 10755 final String otherPackageName = 10756 ((other != null && other.getComponentName() != null) ? 10757 other.getComponentName().getPackageName() : "?"); 10758 throw new PackageManagerException( 10759 INSTALL_FAILED_CONFLICTING_PROVIDER, 10760 "Can't install because provider name " + names[j] 10761 + " (in package " + pkg.applicationInfo.packageName 10762 + ") is already used by " + otherPackageName); 10763 } 10764 } 10765 } 10766 } 10767 } 10768 10769 // Verify that packages sharing a user with a privileged app are marked as privileged. 10770 if (!pkg.isPrivileged() && (pkg.mSharedUserId != null)) { 10771 SharedUserSetting sharedUserSetting = null; 10772 try { 10773 sharedUserSetting = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, false); 10774 } catch (PackageManagerException ignore) {} 10775 if (sharedUserSetting != null && sharedUserSetting.isPrivileged()) { 10776 // Exempt SharedUsers signed with the platform key. 10777 PackageSetting platformPkgSetting = mSettings.mPackages.get("android"); 10778 if ((platformPkgSetting.signatures.mSignatures != null) && 10779 (compareSignatures(platformPkgSetting.signatures.mSignatures, 10780 pkg.mSigningDetails.signatures) != PackageManager.SIGNATURE_MATCH)) { 10781 throw new PackageManagerException("Apps that share a user with a " + 10782 "privileged app must themselves be marked as privileged. " + 10783 pkg.packageName + " shares privileged user " + 10784 pkg.mSharedUserId + "."); 10785 } 10786 } 10787 } 10788 } 10789 } 10790 10791 private boolean addSharedLibraryLPw(String path, String apk, String name, long version, 10792 int type, String declaringPackageName, long declaringVersionCode) { 10793 LongSparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 10794 if (versionedLib == null) { 10795 versionedLib = new LongSparseArray<>(); 10796 mSharedLibraries.put(name, versionedLib); 10797 if (type == SharedLibraryInfo.TYPE_STATIC) { 10798 mStaticLibsByDeclaringPackage.put(declaringPackageName, versionedLib); 10799 } 10800 } else if (versionedLib.indexOfKey(version) >= 0) { 10801 return false; 10802 } 10803 SharedLibraryEntry libEntry = new SharedLibraryEntry(path, apk, name, 10804 version, type, declaringPackageName, declaringVersionCode); 10805 versionedLib.put(version, libEntry); 10806 return true; 10807 } 10808 10809 private boolean removeSharedLibraryLPw(String name, long version) { 10810 LongSparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 10811 if (versionedLib == null) { 10812 return false; 10813 } 10814 final int libIdx = versionedLib.indexOfKey(version); 10815 if (libIdx < 0) { 10816 return false; 10817 } 10818 SharedLibraryEntry libEntry = versionedLib.valueAt(libIdx); 10819 versionedLib.remove(version); 10820 if (versionedLib.size() <= 0) { 10821 mSharedLibraries.remove(name); 10822 if (libEntry.info.getType() == SharedLibraryInfo.TYPE_STATIC) { 10823 mStaticLibsByDeclaringPackage.remove(libEntry.info.getDeclaringPackage() 10824 .getPackageName()); 10825 } 10826 } 10827 return true; 10828 } 10829 10830 /** 10831 * Adds a scanned package to the system. When this method is finished, the package will 10832 * be available for query, resolution, etc... 10833 */ 10834 private void commitPackageSettings(PackageParser.Package pkg, PackageSetting pkgSetting, 10835 UserHandle user, final @ScanFlags int scanFlags, boolean chatty) { 10836 final String pkgName = pkg.packageName; 10837 if (mCustomResolverComponentName != null && 10838 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 10839 setUpCustomResolverActivity(pkg); 10840 } 10841 10842 if (pkg.packageName.equals("android")) { 10843 synchronized (mPackages) { 10844 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 10845 // Set up information for our fall-back user intent resolution activity. 10846 mPlatformPackage = pkg; 10847 pkg.mVersionCode = mSdkVersion; 10848 pkg.mVersionCodeMajor = 0; 10849 mAndroidApplication = pkg.applicationInfo; 10850 if (!mResolverReplaced) { 10851 mResolveActivity.applicationInfo = mAndroidApplication; 10852 mResolveActivity.name = ResolverActivity.class.getName(); 10853 mResolveActivity.packageName = mAndroidApplication.packageName; 10854 mResolveActivity.processName = "system:ui"; 10855 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 10856 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 10857 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 10858 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 10859 mResolveActivity.exported = true; 10860 mResolveActivity.enabled = true; 10861 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 10862 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 10863 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 10864 | ActivityInfo.CONFIG_SCREEN_LAYOUT 10865 | ActivityInfo.CONFIG_ORIENTATION 10866 | ActivityInfo.CONFIG_KEYBOARD 10867 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 10868 mResolveInfo.activityInfo = mResolveActivity; 10869 mResolveInfo.priority = 0; 10870 mResolveInfo.preferredOrder = 0; 10871 mResolveInfo.match = 0; 10872 mResolveComponentName = new ComponentName( 10873 mAndroidApplication.packageName, mResolveActivity.name); 10874 } 10875 } 10876 } 10877 } 10878 10879 ArrayList<PackageParser.Package> clientLibPkgs = null; 10880 // writer 10881 synchronized (mPackages) { 10882 boolean hasStaticSharedLibs = false; 10883 10884 // Any app can add new static shared libraries 10885 if (pkg.staticSharedLibName != null) { 10886 // Static shared libs don't allow renaming as they have synthetic package 10887 // names to allow install of multiple versions, so use name from manifest. 10888 if (addSharedLibraryLPw(null, pkg.packageName, pkg.staticSharedLibName, 10889 pkg.staticSharedLibVersion, SharedLibraryInfo.TYPE_STATIC, 10890 pkg.manifestPackageName, pkg.getLongVersionCode())) { 10891 hasStaticSharedLibs = true; 10892 } else { 10893 Slog.w(TAG, "Package " + pkg.packageName + " library " 10894 + pkg.staticSharedLibName + " already exists; skipping"); 10895 } 10896 // Static shared libs cannot be updated once installed since they 10897 // use synthetic package name which includes the version code, so 10898 // not need to update other packages's shared lib dependencies. 10899 } 10900 10901 if (!hasStaticSharedLibs 10902 && (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 10903 // Only system apps can add new dynamic shared libraries. 10904 if (pkg.libraryNames != null) { 10905 for (int i = 0; i < pkg.libraryNames.size(); i++) { 10906 String name = pkg.libraryNames.get(i); 10907 boolean allowed = false; 10908 if (pkg.isUpdatedSystemApp()) { 10909 // New library entries can only be added through the 10910 // system image. This is important to get rid of a lot 10911 // of nasty edge cases: for example if we allowed a non- 10912 // system update of the app to add a library, then uninstalling 10913 // the update would make the library go away, and assumptions 10914 // we made such as through app install filtering would now 10915 // have allowed apps on the device which aren't compatible 10916 // with it. Better to just have the restriction here, be 10917 // conservative, and create many fewer cases that can negatively 10918 // impact the user experience. 10919 final PackageSetting sysPs = mSettings 10920 .getDisabledSystemPkgLPr(pkg.packageName); 10921 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 10922 for (int j = 0; j < sysPs.pkg.libraryNames.size(); j++) { 10923 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 10924 allowed = true; 10925 break; 10926 } 10927 } 10928 } 10929 } else { 10930 allowed = true; 10931 } 10932 if (allowed) { 10933 if (!addSharedLibraryLPw(null, pkg.packageName, name, 10934 SharedLibraryInfo.VERSION_UNDEFINED, 10935 SharedLibraryInfo.TYPE_DYNAMIC, 10936 pkg.packageName, pkg.getLongVersionCode())) { 10937 Slog.w(TAG, "Package " + pkg.packageName + " library " 10938 + name + " already exists; skipping"); 10939 } 10940 } else { 10941 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 10942 + name + " that is not declared on system image; skipping"); 10943 } 10944 } 10945 10946 if ((scanFlags & SCAN_BOOTING) == 0) { 10947 // If we are not booting, we need to update any applications 10948 // that are clients of our shared library. If we are booting, 10949 // this will all be done once the scan is complete. 10950 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 10951 } 10952 } 10953 } 10954 } 10955 10956 if ((scanFlags & SCAN_BOOTING) != 0) { 10957 // No apps can run during boot scan, so they don't need to be frozen 10958 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 10959 // Caller asked to not kill app, so it's probably not frozen 10960 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 10961 // Caller asked us to ignore frozen check for some reason; they 10962 // probably didn't know the package name 10963 } else { 10964 // We're doing major surgery on this package, so it better be frozen 10965 // right now to keep it from launching 10966 checkPackageFrozen(pkgName); 10967 } 10968 10969 // Also need to kill any apps that are dependent on the library. 10970 if (clientLibPkgs != null) { 10971 for (int i=0; i<clientLibPkgs.size(); i++) { 10972 PackageParser.Package clientPkg = clientLibPkgs.get(i); 10973 killApplication(clientPkg.applicationInfo.packageName, 10974 clientPkg.applicationInfo.uid, "update lib"); 10975 } 10976 } 10977 10978 // writer 10979 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 10980 10981 synchronized (mPackages) { 10982 // We don't expect installation to fail beyond this point 10983 10984 // Add the new setting to mSettings 10985 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 10986 // Add the new setting to mPackages 10987 mPackages.put(pkg.applicationInfo.packageName, pkg); 10988 // Make sure we don't accidentally delete its data. 10989 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 10990 while (iter.hasNext()) { 10991 PackageCleanItem item = iter.next(); 10992 if (pkgName.equals(item.packageName)) { 10993 iter.remove(); 10994 } 10995 } 10996 10997 // Add the package's KeySets to the global KeySetManagerService 10998 KeySetManagerService ksms = mSettings.mKeySetManagerService; 10999 ksms.addScannedPackageLPw(pkg); 11000 11001 int N = pkg.providers.size(); 11002 StringBuilder r = null; 11003 int i; 11004 for (i=0; i<N; i++) { 11005 PackageParser.Provider p = pkg.providers.get(i); 11006 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 11007 p.info.processName); 11008 mProviders.addProvider(p); 11009 p.syncable = p.info.isSyncable; 11010 if (p.info.authority != null) { 11011 String names[] = p.info.authority.split(";"); 11012 p.info.authority = null; 11013 for (int j = 0; j < names.length; j++) { 11014 if (j == 1 && p.syncable) { 11015 // We only want the first authority for a provider to possibly be 11016 // syncable, so if we already added this provider using a different 11017 // authority clear the syncable flag. We copy the provider before 11018 // changing it because the mProviders object contains a reference 11019 // to a provider that we don't want to change. 11020 // Only do this for the second authority since the resulting provider 11021 // object can be the same for all future authorities for this provider. 11022 p = new PackageParser.Provider(p); 11023 p.syncable = false; 11024 } 11025 if (!mProvidersByAuthority.containsKey(names[j])) { 11026 mProvidersByAuthority.put(names[j], p); 11027 if (p.info.authority == null) { 11028 p.info.authority = names[j]; 11029 } else { 11030 p.info.authority = p.info.authority + ";" + names[j]; 11031 } 11032 if (DEBUG_PACKAGE_SCANNING) { 11033 if (chatty) 11034 Log.d(TAG, "Registered content provider: " + names[j] 11035 + ", className = " + p.info.name + ", isSyncable = " 11036 + p.info.isSyncable); 11037 } 11038 } else { 11039 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 11040 Slog.w(TAG, "Skipping provider name " + names[j] + 11041 " (in package " + pkg.applicationInfo.packageName + 11042 "): name already used by " 11043 + ((other != null && other.getComponentName() != null) 11044 ? other.getComponentName().getPackageName() : "?")); 11045 } 11046 } 11047 } 11048 if (chatty) { 11049 if (r == null) { 11050 r = new StringBuilder(256); 11051 } else { 11052 r.append(' '); 11053 } 11054 r.append(p.info.name); 11055 } 11056 } 11057 if (r != null) { 11058 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 11059 } 11060 11061 N = pkg.services.size(); 11062 r = null; 11063 for (i=0; i<N; i++) { 11064 PackageParser.Service s = pkg.services.get(i); 11065 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 11066 s.info.processName); 11067 mServices.addService(s); 11068 if (chatty) { 11069 if (r == null) { 11070 r = new StringBuilder(256); 11071 } else { 11072 r.append(' '); 11073 } 11074 r.append(s.info.name); 11075 } 11076 } 11077 if (r != null) { 11078 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 11079 } 11080 11081 N = pkg.receivers.size(); 11082 r = null; 11083 for (i=0; i<N; i++) { 11084 PackageParser.Activity a = pkg.receivers.get(i); 11085 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 11086 a.info.processName); 11087 mReceivers.addActivity(a, "receiver"); 11088 if (chatty) { 11089 if (r == null) { 11090 r = new StringBuilder(256); 11091 } else { 11092 r.append(' '); 11093 } 11094 r.append(a.info.name); 11095 } 11096 } 11097 if (r != null) { 11098 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 11099 } 11100 11101 N = pkg.activities.size(); 11102 r = null; 11103 for (i=0; i<N; i++) { 11104 PackageParser.Activity a = pkg.activities.get(i); 11105 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 11106 a.info.processName); 11107 mActivities.addActivity(a, "activity"); 11108 if (chatty) { 11109 if (r == null) { 11110 r = new StringBuilder(256); 11111 } else { 11112 r.append(' '); 11113 } 11114 r.append(a.info.name); 11115 } 11116 } 11117 if (r != null) { 11118 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 11119 } 11120 11121 // Don't allow ephemeral applications to define new permissions groups. 11122 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 11123 Slog.w(TAG, "Permission groups from package " + pkg.packageName 11124 + " ignored: instant apps cannot define new permission groups."); 11125 } else { 11126 mPermissionManager.addAllPermissionGroups(pkg, chatty); 11127 } 11128 11129 // Don't allow ephemeral applications to define new permissions. 11130 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 11131 Slog.w(TAG, "Permissions from package " + pkg.packageName 11132 + " ignored: instant apps cannot define new permissions."); 11133 } else { 11134 mPermissionManager.addAllPermissions(pkg, chatty); 11135 } 11136 11137 N = pkg.instrumentation.size(); 11138 r = null; 11139 for (i=0; i<N; i++) { 11140 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 11141 a.info.packageName = pkg.applicationInfo.packageName; 11142 a.info.sourceDir = pkg.applicationInfo.sourceDir; 11143 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 11144 a.info.splitNames = pkg.splitNames; 11145 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 11146 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 11147 a.info.splitDependencies = pkg.applicationInfo.splitDependencies; 11148 a.info.dataDir = pkg.applicationInfo.dataDir; 11149 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 11150 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 11151 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 11152 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 11153 mInstrumentation.put(a.getComponentName(), a); 11154 if (chatty) { 11155 if (r == null) { 11156 r = new StringBuilder(256); 11157 } else { 11158 r.append(' '); 11159 } 11160 r.append(a.info.name); 11161 } 11162 } 11163 if (r != null) { 11164 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 11165 } 11166 11167 if (pkg.protectedBroadcasts != null) { 11168 N = pkg.protectedBroadcasts.size(); 11169 synchronized (mProtectedBroadcasts) { 11170 for (i = 0; i < N; i++) { 11171 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 11172 } 11173 } 11174 } 11175 } 11176 11177 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11178 } 11179 11180 /** 11181 * Derive the ABI of a non-system package located at {@code scanFile}. This information 11182 * is derived purely on the basis of the contents of {@code scanFile} and 11183 * {@code cpuAbiOverride}. 11184 * 11185 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 11186 */ 11187 private static void derivePackageAbi(PackageParser.Package pkg, String cpuAbiOverride, 11188 boolean extractLibs) 11189 throws PackageManagerException { 11190 // Give ourselves some initial paths; we'll come back for another 11191 // pass once we've determined ABI below. 11192 setNativeLibraryPaths(pkg, sAppLib32InstallDir); 11193 11194 // We would never need to extract libs for forward-locked and external packages, 11195 // since the container service will do it for us. We shouldn't attempt to 11196 // extract libs from system app when it was not updated. 11197 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 11198 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 11199 extractLibs = false; 11200 } 11201 11202 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 11203 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 11204 11205 NativeLibraryHelper.Handle handle = null; 11206 try { 11207 handle = NativeLibraryHelper.Handle.create(pkg); 11208 // TODO(multiArch): This can be null for apps that didn't go through the 11209 // usual installation process. We can calculate it again, like we 11210 // do during install time. 11211 // 11212 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 11213 // unnecessary. 11214 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 11215 11216 // Null out the abis so that they can be recalculated. 11217 pkg.applicationInfo.primaryCpuAbi = null; 11218 pkg.applicationInfo.secondaryCpuAbi = null; 11219 if (isMultiArch(pkg.applicationInfo)) { 11220 // Warn if we've set an abiOverride for multi-lib packages.. 11221 // By definition, we need to copy both 32 and 64 bit libraries for 11222 // such packages. 11223 if (pkg.cpuAbiOverride != null 11224 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 11225 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 11226 } 11227 11228 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 11229 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 11230 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 11231 if (extractLibs) { 11232 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 11233 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 11234 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 11235 useIsaSpecificSubdirs); 11236 } else { 11237 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 11238 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 11239 } 11240 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11241 } 11242 11243 // Shared library native code should be in the APK zip aligned 11244 if (abi32 >= 0 && pkg.isLibrary() && extractLibs) { 11245 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 11246 "Shared library native lib extraction not supported"); 11247 } 11248 11249 maybeThrowExceptionForMultiArchCopy( 11250 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 11251 11252 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 11253 if (extractLibs) { 11254 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 11255 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 11256 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 11257 useIsaSpecificSubdirs); 11258 } else { 11259 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 11260 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 11261 } 11262 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11263 } 11264 11265 maybeThrowExceptionForMultiArchCopy( 11266 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 11267 11268 if (abi64 >= 0) { 11269 // Shared library native libs should be in the APK zip aligned 11270 if (extractLibs && pkg.isLibrary()) { 11271 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 11272 "Shared library native lib extraction not supported"); 11273 } 11274 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 11275 } 11276 11277 if (abi32 >= 0) { 11278 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 11279 if (abi64 >= 0) { 11280 if (pkg.use32bitAbi) { 11281 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 11282 pkg.applicationInfo.primaryCpuAbi = abi; 11283 } else { 11284 pkg.applicationInfo.secondaryCpuAbi = abi; 11285 } 11286 } else { 11287 pkg.applicationInfo.primaryCpuAbi = abi; 11288 } 11289 } 11290 } else { 11291 String[] abiList = (cpuAbiOverride != null) ? 11292 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 11293 11294 // Enable gross and lame hacks for apps that are built with old 11295 // SDK tools. We must scan their APKs for renderscript bitcode and 11296 // not launch them if it's present. Don't bother checking on devices 11297 // that don't have 64 bit support. 11298 boolean needsRenderScriptOverride = false; 11299 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 11300 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 11301 abiList = Build.SUPPORTED_32_BIT_ABIS; 11302 needsRenderScriptOverride = true; 11303 } 11304 11305 final int copyRet; 11306 if (extractLibs) { 11307 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 11308 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 11309 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 11310 } else { 11311 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 11312 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 11313 } 11314 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11315 11316 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 11317 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 11318 "Error unpackaging native libs for app, errorCode=" + copyRet); 11319 } 11320 11321 if (copyRet >= 0) { 11322 // Shared libraries that have native libs must be multi-architecture 11323 if (pkg.isLibrary()) { 11324 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 11325 "Shared library with native libs must be multiarch"); 11326 } 11327 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 11328 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 11329 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 11330 } else if (needsRenderScriptOverride) { 11331 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 11332 } 11333 } 11334 } catch (IOException ioe) { 11335 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 11336 } finally { 11337 IoUtils.closeQuietly(handle); 11338 } 11339 11340 // Now that we've calculated the ABIs and determined if it's an internal app, 11341 // we will go ahead and populate the nativeLibraryPath. 11342 setNativeLibraryPaths(pkg, sAppLib32InstallDir); 11343 } 11344 11345 /** 11346 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 11347 * i.e, so that all packages can be run inside a single process if required. 11348 * 11349 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 11350 * this function will either try and make the ABI for all packages in {@code packagesForUser} 11351 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 11352 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 11353 * updating a package that belongs to a shared user. 11354 * 11355 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 11356 * adds unnecessary complexity. 11357 */ 11358 private static @Nullable List<String> adjustCpuAbisForSharedUserLPw( 11359 Set<PackageSetting> packagesForUser, PackageParser.Package scannedPackage) { 11360 List<String> changedAbiCodePath = null; 11361 String requiredInstructionSet = null; 11362 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 11363 requiredInstructionSet = VMRuntime.getInstructionSet( 11364 scannedPackage.applicationInfo.primaryCpuAbi); 11365 } 11366 11367 PackageSetting requirer = null; 11368 for (PackageSetting ps : packagesForUser) { 11369 // If packagesForUser contains scannedPackage, we skip it. This will happen 11370 // when scannedPackage is an update of an existing package. Without this check, 11371 // we will never be able to change the ABI of any package belonging to a shared 11372 // user, even if it's compatible with other packages. 11373 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 11374 if (ps.primaryCpuAbiString == null) { 11375 continue; 11376 } 11377 11378 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 11379 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 11380 // We have a mismatch between instruction sets (say arm vs arm64) warn about 11381 // this but there's not much we can do. 11382 String errorMessage = "Instruction set mismatch, " 11383 + ((requirer == null) ? "[caller]" : requirer) 11384 + " requires " + requiredInstructionSet + " whereas " + ps 11385 + " requires " + instructionSet; 11386 Slog.w(TAG, errorMessage); 11387 } 11388 11389 if (requiredInstructionSet == null) { 11390 requiredInstructionSet = instructionSet; 11391 requirer = ps; 11392 } 11393 } 11394 } 11395 11396 if (requiredInstructionSet != null) { 11397 String adjustedAbi; 11398 if (requirer != null) { 11399 // requirer != null implies that either scannedPackage was null or that scannedPackage 11400 // did not require an ABI, in which case we have to adjust scannedPackage to match 11401 // the ABI of the set (which is the same as requirer's ABI) 11402 adjustedAbi = requirer.primaryCpuAbiString; 11403 if (scannedPackage != null) { 11404 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 11405 } 11406 } else { 11407 // requirer == null implies that we're updating all ABIs in the set to 11408 // match scannedPackage. 11409 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 11410 } 11411 11412 for (PackageSetting ps : packagesForUser) { 11413 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 11414 if (ps.primaryCpuAbiString != null) { 11415 continue; 11416 } 11417 11418 ps.primaryCpuAbiString = adjustedAbi; 11419 if (ps.pkg != null && ps.pkg.applicationInfo != null && 11420 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 11421 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 11422 if (DEBUG_ABI_SELECTION) { 11423 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 11424 + " (requirer=" 11425 + (requirer != null ? requirer.pkg : "null") 11426 + ", scannedPackage=" 11427 + (scannedPackage != null ? scannedPackage : "null") 11428 + ")"); 11429 } 11430 if (changedAbiCodePath == null) { 11431 changedAbiCodePath = new ArrayList<>(); 11432 } 11433 changedAbiCodePath.add(ps.codePathString); 11434 } 11435 } 11436 } 11437 } 11438 return changedAbiCodePath; 11439 } 11440 11441 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 11442 synchronized (mPackages) { 11443 mResolverReplaced = true; 11444 // Set up information for custom user intent resolution activity. 11445 mResolveActivity.applicationInfo = pkg.applicationInfo; 11446 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 11447 mResolveActivity.packageName = pkg.applicationInfo.packageName; 11448 mResolveActivity.processName = pkg.applicationInfo.packageName; 11449 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 11450 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 11451 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 11452 mResolveActivity.theme = 0; 11453 mResolveActivity.exported = true; 11454 mResolveActivity.enabled = true; 11455 mResolveInfo.activityInfo = mResolveActivity; 11456 mResolveInfo.priority = 0; 11457 mResolveInfo.preferredOrder = 0; 11458 mResolveInfo.match = 0; 11459 mResolveComponentName = mCustomResolverComponentName; 11460 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 11461 mResolveComponentName); 11462 } 11463 } 11464 11465 private void setUpInstantAppInstallerActivityLP(ActivityInfo installerActivity) { 11466 if (installerActivity == null) { 11467 if (DEBUG_EPHEMERAL) { 11468 Slog.d(TAG, "Clear ephemeral installer activity"); 11469 } 11470 mInstantAppInstallerActivity = null; 11471 return; 11472 } 11473 11474 if (DEBUG_EPHEMERAL) { 11475 Slog.d(TAG, "Set ephemeral installer activity: " 11476 + installerActivity.getComponentName()); 11477 } 11478 // Set up information for ephemeral installer activity 11479 mInstantAppInstallerActivity = installerActivity; 11480 mInstantAppInstallerActivity.flags |= ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS 11481 | ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 11482 mInstantAppInstallerActivity.exported = true; 11483 mInstantAppInstallerActivity.enabled = true; 11484 mInstantAppInstallerInfo.activityInfo = mInstantAppInstallerActivity; 11485 mInstantAppInstallerInfo.priority = 0; 11486 mInstantAppInstallerInfo.preferredOrder = 1; 11487 mInstantAppInstallerInfo.isDefault = true; 11488 mInstantAppInstallerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 11489 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 11490 } 11491 11492 private static String calculateBundledApkRoot(final String codePathString) { 11493 final File codePath = new File(codePathString); 11494 final File codeRoot; 11495 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 11496 codeRoot = Environment.getRootDirectory(); 11497 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 11498 codeRoot = Environment.getOemDirectory(); 11499 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 11500 codeRoot = Environment.getVendorDirectory(); 11501 } else { 11502 // Unrecognized code path; take its top real segment as the apk root: 11503 // e.g. /something/app/blah.apk => /something 11504 try { 11505 File f = codePath.getCanonicalFile(); 11506 File parent = f.getParentFile(); // non-null because codePath is a file 11507 File tmp; 11508 while ((tmp = parent.getParentFile()) != null) { 11509 f = parent; 11510 parent = tmp; 11511 } 11512 codeRoot = f; 11513 Slog.w(TAG, "Unrecognized code path " 11514 + codePath + " - using " + codeRoot); 11515 } catch (IOException e) { 11516 // Can't canonicalize the code path -- shenanigans? 11517 Slog.w(TAG, "Can't canonicalize code path " + codePath); 11518 return Environment.getRootDirectory().getPath(); 11519 } 11520 } 11521 return codeRoot.getPath(); 11522 } 11523 11524 /** 11525 * Derive and set the location of native libraries for the given package, 11526 * which varies depending on where and how the package was installed. 11527 */ 11528 private static void setNativeLibraryPaths(PackageParser.Package pkg, File appLib32InstallDir) { 11529 final ApplicationInfo info = pkg.applicationInfo; 11530 final String codePath = pkg.codePath; 11531 final File codeFile = new File(codePath); 11532 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 11533 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 11534 11535 info.nativeLibraryRootDir = null; 11536 info.nativeLibraryRootRequiresIsa = false; 11537 info.nativeLibraryDir = null; 11538 info.secondaryNativeLibraryDir = null; 11539 11540 if (isApkFile(codeFile)) { 11541 // Monolithic install 11542 if (bundledApp) { 11543 // If "/system/lib64/apkname" exists, assume that is the per-package 11544 // native library directory to use; otherwise use "/system/lib/apkname". 11545 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 11546 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 11547 getPrimaryInstructionSet(info)); 11548 11549 // This is a bundled system app so choose the path based on the ABI. 11550 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 11551 // is just the default path. 11552 final String apkName = deriveCodePathName(codePath); 11553 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 11554 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 11555 apkName).getAbsolutePath(); 11556 11557 if (info.secondaryCpuAbi != null) { 11558 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 11559 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 11560 secondaryLibDir, apkName).getAbsolutePath(); 11561 } 11562 } else if (asecApp) { 11563 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 11564 .getAbsolutePath(); 11565 } else { 11566 final String apkName = deriveCodePathName(codePath); 11567 info.nativeLibraryRootDir = new File(appLib32InstallDir, apkName) 11568 .getAbsolutePath(); 11569 } 11570 11571 info.nativeLibraryRootRequiresIsa = false; 11572 info.nativeLibraryDir = info.nativeLibraryRootDir; 11573 } else { 11574 // Cluster install 11575 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 11576 info.nativeLibraryRootRequiresIsa = true; 11577 11578 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 11579 getPrimaryInstructionSet(info)).getAbsolutePath(); 11580 11581 if (info.secondaryCpuAbi != null) { 11582 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 11583 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 11584 } 11585 } 11586 } 11587 11588 /** 11589 * Calculate the abis and roots for a bundled app. These can uniquely 11590 * be determined from the contents of the system partition, i.e whether 11591 * it contains 64 or 32 bit shared libraries etc. We do not validate any 11592 * of this information, and instead assume that the system was built 11593 * sensibly. 11594 */ 11595 private static void setBundledAppAbisAndRoots(PackageParser.Package pkg, 11596 PackageSetting pkgSetting) { 11597 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 11598 11599 // If "/system/lib64/apkname" exists, assume that is the per-package 11600 // native library directory to use; otherwise use "/system/lib/apkname". 11601 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 11602 setBundledAppAbi(pkg, apkRoot, apkName); 11603 // pkgSetting might be null during rescan following uninstall of updates 11604 // to a bundled app, so accommodate that possibility. The settings in 11605 // that case will be established later from the parsed package. 11606 // 11607 // If the settings aren't null, sync them up with what we've just derived. 11608 // note that apkRoot isn't stored in the package settings. 11609 if (pkgSetting != null) { 11610 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 11611 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 11612 } 11613 } 11614 11615 /** 11616 * Deduces the ABI of a bundled app and sets the relevant fields on the 11617 * parsed pkg object. 11618 * 11619 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 11620 * under which system libraries are installed. 11621 * @param apkName the name of the installed package. 11622 */ 11623 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 11624 final File codeFile = new File(pkg.codePath); 11625 11626 final boolean has64BitLibs; 11627 final boolean has32BitLibs; 11628 if (isApkFile(codeFile)) { 11629 // Monolithic install 11630 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 11631 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 11632 } else { 11633 // Cluster install 11634 final File rootDir = new File(codeFile, LIB_DIR_NAME); 11635 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 11636 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 11637 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 11638 has64BitLibs = (new File(rootDir, isa)).exists(); 11639 } else { 11640 has64BitLibs = false; 11641 } 11642 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 11643 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 11644 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 11645 has32BitLibs = (new File(rootDir, isa)).exists(); 11646 } else { 11647 has32BitLibs = false; 11648 } 11649 } 11650 11651 if (has64BitLibs && !has32BitLibs) { 11652 // The package has 64 bit libs, but not 32 bit libs. Its primary 11653 // ABI should be 64 bit. We can safely assume here that the bundled 11654 // native libraries correspond to the most preferred ABI in the list. 11655 11656 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 11657 pkg.applicationInfo.secondaryCpuAbi = null; 11658 } else if (has32BitLibs && !has64BitLibs) { 11659 // The package has 32 bit libs but not 64 bit libs. Its primary 11660 // ABI should be 32 bit. 11661 11662 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 11663 pkg.applicationInfo.secondaryCpuAbi = null; 11664 } else if (has32BitLibs && has64BitLibs) { 11665 // The application has both 64 and 32 bit bundled libraries. We check 11666 // here that the app declares multiArch support, and warn if it doesn't. 11667 // 11668 // We will be lenient here and record both ABIs. The primary will be the 11669 // ABI that's higher on the list, i.e, a device that's configured to prefer 11670 // 64 bit apps will see a 64 bit primary ABI, 11671 11672 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 11673 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 11674 } 11675 11676 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 11677 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 11678 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 11679 } else { 11680 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 11681 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 11682 } 11683 } else { 11684 pkg.applicationInfo.primaryCpuAbi = null; 11685 pkg.applicationInfo.secondaryCpuAbi = null; 11686 } 11687 } 11688 11689 private void killApplication(String pkgName, int appId, String reason) { 11690 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 11691 } 11692 11693 private void killApplication(String pkgName, int appId, int userId, String reason) { 11694 // Request the ActivityManager to kill the process(only for existing packages) 11695 // so that we do not end up in a confused state while the user is still using the older 11696 // version of the application while the new one gets installed. 11697 final long token = Binder.clearCallingIdentity(); 11698 try { 11699 IActivityManager am = ActivityManager.getService(); 11700 if (am != null) { 11701 try { 11702 am.killApplication(pkgName, appId, userId, reason); 11703 } catch (RemoteException e) { 11704 } 11705 } 11706 } finally { 11707 Binder.restoreCallingIdentity(token); 11708 } 11709 } 11710 11711 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 11712 // Remove the parent package setting 11713 PackageSetting ps = (PackageSetting) pkg.mExtras; 11714 if (ps != null) { 11715 removePackageLI(ps, chatty); 11716 } 11717 // Remove the child package setting 11718 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 11719 for (int i = 0; i < childCount; i++) { 11720 PackageParser.Package childPkg = pkg.childPackages.get(i); 11721 ps = (PackageSetting) childPkg.mExtras; 11722 if (ps != null) { 11723 removePackageLI(ps, chatty); 11724 } 11725 } 11726 } 11727 11728 void removePackageLI(PackageSetting ps, boolean chatty) { 11729 if (DEBUG_INSTALL) { 11730 if (chatty) 11731 Log.d(TAG, "Removing package " + ps.name); 11732 } 11733 11734 // writer 11735 synchronized (mPackages) { 11736 mPackages.remove(ps.name); 11737 final PackageParser.Package pkg = ps.pkg; 11738 if (pkg != null) { 11739 cleanPackageDataStructuresLILPw(pkg, chatty); 11740 } 11741 } 11742 } 11743 11744 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 11745 if (DEBUG_INSTALL) { 11746 if (chatty) 11747 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 11748 } 11749 11750 // writer 11751 synchronized (mPackages) { 11752 // Remove the parent package 11753 mPackages.remove(pkg.applicationInfo.packageName); 11754 cleanPackageDataStructuresLILPw(pkg, chatty); 11755 11756 // Remove the child packages 11757 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 11758 for (int i = 0; i < childCount; i++) { 11759 PackageParser.Package childPkg = pkg.childPackages.get(i); 11760 mPackages.remove(childPkg.applicationInfo.packageName); 11761 cleanPackageDataStructuresLILPw(childPkg, chatty); 11762 } 11763 } 11764 } 11765 11766 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 11767 int N = pkg.providers.size(); 11768 StringBuilder r = null; 11769 int i; 11770 for (i=0; i<N; i++) { 11771 PackageParser.Provider p = pkg.providers.get(i); 11772 mProviders.removeProvider(p); 11773 if (p.info.authority == null) { 11774 11775 /* There was another ContentProvider with this authority when 11776 * this app was installed so this authority is null, 11777 * Ignore it as we don't have to unregister the provider. 11778 */ 11779 continue; 11780 } 11781 String names[] = p.info.authority.split(";"); 11782 for (int j = 0; j < names.length; j++) { 11783 if (mProvidersByAuthority.get(names[j]) == p) { 11784 mProvidersByAuthority.remove(names[j]); 11785 if (DEBUG_REMOVE) { 11786 if (chatty) 11787 Log.d(TAG, "Unregistered content provider: " + names[j] 11788 + ", className = " + p.info.name + ", isSyncable = " 11789 + p.info.isSyncable); 11790 } 11791 } 11792 } 11793 if (DEBUG_REMOVE && chatty) { 11794 if (r == null) { 11795 r = new StringBuilder(256); 11796 } else { 11797 r.append(' '); 11798 } 11799 r.append(p.info.name); 11800 } 11801 } 11802 if (r != null) { 11803 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 11804 } 11805 11806 N = pkg.services.size(); 11807 r = null; 11808 for (i=0; i<N; i++) { 11809 PackageParser.Service s = pkg.services.get(i); 11810 mServices.removeService(s); 11811 if (chatty) { 11812 if (r == null) { 11813 r = new StringBuilder(256); 11814 } else { 11815 r.append(' '); 11816 } 11817 r.append(s.info.name); 11818 } 11819 } 11820 if (r != null) { 11821 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 11822 } 11823 11824 N = pkg.receivers.size(); 11825 r = null; 11826 for (i=0; i<N; i++) { 11827 PackageParser.Activity a = pkg.receivers.get(i); 11828 mReceivers.removeActivity(a, "receiver"); 11829 if (DEBUG_REMOVE && chatty) { 11830 if (r == null) { 11831 r = new StringBuilder(256); 11832 } else { 11833 r.append(' '); 11834 } 11835 r.append(a.info.name); 11836 } 11837 } 11838 if (r != null) { 11839 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 11840 } 11841 11842 N = pkg.activities.size(); 11843 r = null; 11844 for (i=0; i<N; i++) { 11845 PackageParser.Activity a = pkg.activities.get(i); 11846 mActivities.removeActivity(a, "activity"); 11847 if (DEBUG_REMOVE && chatty) { 11848 if (r == null) { 11849 r = new StringBuilder(256); 11850 } else { 11851 r.append(' '); 11852 } 11853 r.append(a.info.name); 11854 } 11855 } 11856 if (r != null) { 11857 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 11858 } 11859 11860 mPermissionManager.removeAllPermissions(pkg, chatty); 11861 11862 N = pkg.instrumentation.size(); 11863 r = null; 11864 for (i=0; i<N; i++) { 11865 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 11866 mInstrumentation.remove(a.getComponentName()); 11867 if (DEBUG_REMOVE && chatty) { 11868 if (r == null) { 11869 r = new StringBuilder(256); 11870 } else { 11871 r.append(' '); 11872 } 11873 r.append(a.info.name); 11874 } 11875 } 11876 if (r != null) { 11877 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 11878 } 11879 11880 r = null; 11881 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 11882 // Only system apps can hold shared libraries. 11883 if (pkg.libraryNames != null) { 11884 for (i = 0; i < pkg.libraryNames.size(); i++) { 11885 String name = pkg.libraryNames.get(i); 11886 if (removeSharedLibraryLPw(name, 0)) { 11887 if (DEBUG_REMOVE && chatty) { 11888 if (r == null) { 11889 r = new StringBuilder(256); 11890 } else { 11891 r.append(' '); 11892 } 11893 r.append(name); 11894 } 11895 } 11896 } 11897 } 11898 } 11899 11900 r = null; 11901 11902 // Any package can hold static shared libraries. 11903 if (pkg.staticSharedLibName != null) { 11904 if (removeSharedLibraryLPw(pkg.staticSharedLibName, pkg.staticSharedLibVersion)) { 11905 if (DEBUG_REMOVE && chatty) { 11906 if (r == null) { 11907 r = new StringBuilder(256); 11908 } else { 11909 r.append(' '); 11910 } 11911 r.append(pkg.staticSharedLibName); 11912 } 11913 } 11914 } 11915 11916 if (r != null) { 11917 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 11918 } 11919 } 11920 11921 11922 final class ActivityIntentResolver 11923 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 11924 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11925 boolean defaultOnly, int userId) { 11926 if (!sUserManager.exists(userId)) return null; 11927 mFlags = (defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0); 11928 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11929 } 11930 11931 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11932 int userId) { 11933 if (!sUserManager.exists(userId)) return null; 11934 mFlags = flags; 11935 return super.queryIntent(intent, resolvedType, 11936 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 11937 userId); 11938 } 11939 11940 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11941 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 11942 if (!sUserManager.exists(userId)) return null; 11943 if (packageActivities == null) { 11944 return null; 11945 } 11946 mFlags = flags; 11947 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11948 final int N = packageActivities.size(); 11949 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 11950 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 11951 11952 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 11953 for (int i = 0; i < N; ++i) { 11954 intentFilters = packageActivities.get(i).intents; 11955 if (intentFilters != null && intentFilters.size() > 0) { 11956 PackageParser.ActivityIntentInfo[] array = 11957 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 11958 intentFilters.toArray(array); 11959 listCut.add(array); 11960 } 11961 } 11962 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11963 } 11964 11965 /** 11966 * Finds a privileged activity that matches the specified activity names. 11967 */ 11968 private PackageParser.Activity findMatchingActivity( 11969 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 11970 for (PackageParser.Activity sysActivity : activityList) { 11971 if (sysActivity.info.name.equals(activityInfo.name)) { 11972 return sysActivity; 11973 } 11974 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 11975 return sysActivity; 11976 } 11977 if (sysActivity.info.targetActivity != null) { 11978 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 11979 return sysActivity; 11980 } 11981 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 11982 return sysActivity; 11983 } 11984 } 11985 } 11986 return null; 11987 } 11988 11989 public class IterGenerator<E> { 11990 public Iterator<E> generate(ActivityIntentInfo info) { 11991 return null; 11992 } 11993 } 11994 11995 public class ActionIterGenerator extends IterGenerator<String> { 11996 @Override 11997 public Iterator<String> generate(ActivityIntentInfo info) { 11998 return info.actionsIterator(); 11999 } 12000 } 12001 12002 public class CategoriesIterGenerator extends IterGenerator<String> { 12003 @Override 12004 public Iterator<String> generate(ActivityIntentInfo info) { 12005 return info.categoriesIterator(); 12006 } 12007 } 12008 12009 public class SchemesIterGenerator extends IterGenerator<String> { 12010 @Override 12011 public Iterator<String> generate(ActivityIntentInfo info) { 12012 return info.schemesIterator(); 12013 } 12014 } 12015 12016 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 12017 @Override 12018 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 12019 return info.authoritiesIterator(); 12020 } 12021 } 12022 12023 /** 12024 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 12025 * MODIFIED. Do not pass in a list that should not be changed. 12026 */ 12027 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 12028 IterGenerator<T> generator, Iterator<T> searchIterator) { 12029 // loop through the set of actions; every one must be found in the intent filter 12030 while (searchIterator.hasNext()) { 12031 // we must have at least one filter in the list to consider a match 12032 if (intentList.size() == 0) { 12033 break; 12034 } 12035 12036 final T searchAction = searchIterator.next(); 12037 12038 // loop through the set of intent filters 12039 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 12040 while (intentIter.hasNext()) { 12041 final ActivityIntentInfo intentInfo = intentIter.next(); 12042 boolean selectionFound = false; 12043 12044 // loop through the intent filter's selection criteria; at least one 12045 // of them must match the searched criteria 12046 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 12047 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 12048 final T intentSelection = intentSelectionIter.next(); 12049 if (intentSelection != null && intentSelection.equals(searchAction)) { 12050 selectionFound = true; 12051 break; 12052 } 12053 } 12054 12055 // the selection criteria wasn't found in this filter's set; this filter 12056 // is not a potential match 12057 if (!selectionFound) { 12058 intentIter.remove(); 12059 } 12060 } 12061 } 12062 } 12063 12064 private boolean isProtectedAction(ActivityIntentInfo filter) { 12065 final Iterator<String> actionsIter = filter.actionsIterator(); 12066 while (actionsIter != null && actionsIter.hasNext()) { 12067 final String filterAction = actionsIter.next(); 12068 if (PROTECTED_ACTIONS.contains(filterAction)) { 12069 return true; 12070 } 12071 } 12072 return false; 12073 } 12074 12075 /** 12076 * Adjusts the priority of the given intent filter according to policy. 12077 * <p> 12078 * <ul> 12079 * <li>The priority for non privileged applications is capped to '0'</li> 12080 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 12081 * <li>The priority for unbundled updates to privileged applications is capped to the 12082 * priority defined on the system partition</li> 12083 * </ul> 12084 * <p> 12085 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 12086 * allowed to obtain any priority on any action. 12087 */ 12088 private void adjustPriority( 12089 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 12090 // nothing to do; priority is fine as-is 12091 if (intent.getPriority() <= 0) { 12092 return; 12093 } 12094 12095 final ActivityInfo activityInfo = intent.activity.info; 12096 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 12097 12098 final boolean privilegedApp = 12099 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 12100 if (!privilegedApp) { 12101 // non-privileged applications can never define a priority >0 12102 if (DEBUG_FILTERS) { 12103 Slog.i(TAG, "Non-privileged app; cap priority to 0;" 12104 + " package: " + applicationInfo.packageName 12105 + " activity: " + intent.activity.className 12106 + " origPrio: " + intent.getPriority()); 12107 } 12108 intent.setPriority(0); 12109 return; 12110 } 12111 12112 if (systemActivities == null) { 12113 // the system package is not disabled; we're parsing the system partition 12114 if (isProtectedAction(intent)) { 12115 if (mDeferProtectedFilters) { 12116 // We can't deal with these just yet. No component should ever obtain a 12117 // >0 priority for a protected actions, with ONE exception -- the setup 12118 // wizard. The setup wizard, however, cannot be known until we're able to 12119 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 12120 // until all intent filters have been processed. Chicken, meet egg. 12121 // Let the filter temporarily have a high priority and rectify the 12122 // priorities after all system packages have been scanned. 12123 mProtectedFilters.add(intent); 12124 if (DEBUG_FILTERS) { 12125 Slog.i(TAG, "Protected action; save for later;" 12126 + " package: " + applicationInfo.packageName 12127 + " activity: " + intent.activity.className 12128 + " origPrio: " + intent.getPriority()); 12129 } 12130 return; 12131 } else { 12132 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 12133 Slog.i(TAG, "No setup wizard;" 12134 + " All protected intents capped to priority 0"); 12135 } 12136 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 12137 if (DEBUG_FILTERS) { 12138 Slog.i(TAG, "Found setup wizard;" 12139 + " allow priority " + intent.getPriority() + ";" 12140 + " package: " + intent.activity.info.packageName 12141 + " activity: " + intent.activity.className 12142 + " priority: " + intent.getPriority()); 12143 } 12144 // setup wizard gets whatever it wants 12145 return; 12146 } 12147 if (DEBUG_FILTERS) { 12148 Slog.i(TAG, "Protected action; cap priority to 0;" 12149 + " package: " + intent.activity.info.packageName 12150 + " activity: " + intent.activity.className 12151 + " origPrio: " + intent.getPriority()); 12152 } 12153 intent.setPriority(0); 12154 return; 12155 } 12156 } 12157 // privileged apps on the system image get whatever priority they request 12158 return; 12159 } 12160 12161 // privileged app unbundled update ... try to find the same activity 12162 final PackageParser.Activity foundActivity = 12163 findMatchingActivity(systemActivities, activityInfo); 12164 if (foundActivity == null) { 12165 // this is a new activity; it cannot obtain >0 priority 12166 if (DEBUG_FILTERS) { 12167 Slog.i(TAG, "New activity; cap priority to 0;" 12168 + " package: " + applicationInfo.packageName 12169 + " activity: " + intent.activity.className 12170 + " origPrio: " + intent.getPriority()); 12171 } 12172 intent.setPriority(0); 12173 return; 12174 } 12175 12176 // found activity, now check for filter equivalence 12177 12178 // a shallow copy is enough; we modify the list, not its contents 12179 final List<ActivityIntentInfo> intentListCopy = 12180 new ArrayList<>(foundActivity.intents); 12181 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 12182 12183 // find matching action subsets 12184 final Iterator<String> actionsIterator = intent.actionsIterator(); 12185 if (actionsIterator != null) { 12186 getIntentListSubset( 12187 intentListCopy, new ActionIterGenerator(), actionsIterator); 12188 if (intentListCopy.size() == 0) { 12189 // no more intents to match; we're not equivalent 12190 if (DEBUG_FILTERS) { 12191 Slog.i(TAG, "Mismatched action; cap priority to 0;" 12192 + " package: " + applicationInfo.packageName 12193 + " activity: " + intent.activity.className 12194 + " origPrio: " + intent.getPriority()); 12195 } 12196 intent.setPriority(0); 12197 return; 12198 } 12199 } 12200 12201 // find matching category subsets 12202 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 12203 if (categoriesIterator != null) { 12204 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 12205 categoriesIterator); 12206 if (intentListCopy.size() == 0) { 12207 // no more intents to match; we're not equivalent 12208 if (DEBUG_FILTERS) { 12209 Slog.i(TAG, "Mismatched category; cap priority to 0;" 12210 + " package: " + applicationInfo.packageName 12211 + " activity: " + intent.activity.className 12212 + " origPrio: " + intent.getPriority()); 12213 } 12214 intent.setPriority(0); 12215 return; 12216 } 12217 } 12218 12219 // find matching schemes subsets 12220 final Iterator<String> schemesIterator = intent.schemesIterator(); 12221 if (schemesIterator != null) { 12222 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 12223 schemesIterator); 12224 if (intentListCopy.size() == 0) { 12225 // no more intents to match; we're not equivalent 12226 if (DEBUG_FILTERS) { 12227 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 12228 + " package: " + applicationInfo.packageName 12229 + " activity: " + intent.activity.className 12230 + " origPrio: " + intent.getPriority()); 12231 } 12232 intent.setPriority(0); 12233 return; 12234 } 12235 } 12236 12237 // find matching authorities subsets 12238 final Iterator<IntentFilter.AuthorityEntry> 12239 authoritiesIterator = intent.authoritiesIterator(); 12240 if (authoritiesIterator != null) { 12241 getIntentListSubset(intentListCopy, 12242 new AuthoritiesIterGenerator(), 12243 authoritiesIterator); 12244 if (intentListCopy.size() == 0) { 12245 // no more intents to match; we're not equivalent 12246 if (DEBUG_FILTERS) { 12247 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 12248 + " package: " + applicationInfo.packageName 12249 + " activity: " + intent.activity.className 12250 + " origPrio: " + intent.getPriority()); 12251 } 12252 intent.setPriority(0); 12253 return; 12254 } 12255 } 12256 12257 // we found matching filter(s); app gets the max priority of all intents 12258 int cappedPriority = 0; 12259 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 12260 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 12261 } 12262 if (intent.getPriority() > cappedPriority) { 12263 if (DEBUG_FILTERS) { 12264 Slog.i(TAG, "Found matching filter(s);" 12265 + " cap priority to " + cappedPriority + ";" 12266 + " package: " + applicationInfo.packageName 12267 + " activity: " + intent.activity.className 12268 + " origPrio: " + intent.getPriority()); 12269 } 12270 intent.setPriority(cappedPriority); 12271 return; 12272 } 12273 // all this for nothing; the requested priority was <= what was on the system 12274 } 12275 12276 public final void addActivity(PackageParser.Activity a, String type) { 12277 mActivities.put(a.getComponentName(), a); 12278 if (DEBUG_SHOW_INFO) 12279 Log.v( 12280 TAG, " " + type + " " + 12281 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 12282 if (DEBUG_SHOW_INFO) 12283 Log.v(TAG, " Class=" + a.info.name); 12284 final int NI = a.intents.size(); 12285 for (int j=0; j<NI; j++) { 12286 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 12287 if ("activity".equals(type)) { 12288 final PackageSetting ps = 12289 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 12290 final List<PackageParser.Activity> systemActivities = 12291 ps != null && ps.pkg != null ? ps.pkg.activities : null; 12292 adjustPriority(systemActivities, intent); 12293 } 12294 if (DEBUG_SHOW_INFO) { 12295 Log.v(TAG, " IntentFilter:"); 12296 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12297 } 12298 if (!intent.debugCheck()) { 12299 Log.w(TAG, "==> For Activity " + a.info.name); 12300 } 12301 addFilter(intent); 12302 } 12303 } 12304 12305 public final void removeActivity(PackageParser.Activity a, String type) { 12306 mActivities.remove(a.getComponentName()); 12307 if (DEBUG_SHOW_INFO) { 12308 Log.v(TAG, " " + type + " " 12309 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 12310 : a.info.name) + ":"); 12311 Log.v(TAG, " Class=" + a.info.name); 12312 } 12313 final int NI = a.intents.size(); 12314 for (int j=0; j<NI; j++) { 12315 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 12316 if (DEBUG_SHOW_INFO) { 12317 Log.v(TAG, " IntentFilter:"); 12318 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12319 } 12320 removeFilter(intent); 12321 } 12322 } 12323 12324 @Override 12325 protected boolean allowFilterResult( 12326 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 12327 ActivityInfo filterAi = filter.activity.info; 12328 for (int i=dest.size()-1; i>=0; i--) { 12329 ActivityInfo destAi = dest.get(i).activityInfo; 12330 if (destAi.name == filterAi.name 12331 && destAi.packageName == filterAi.packageName) { 12332 return false; 12333 } 12334 } 12335 return true; 12336 } 12337 12338 @Override 12339 protected ActivityIntentInfo[] newArray(int size) { 12340 return new ActivityIntentInfo[size]; 12341 } 12342 12343 @Override 12344 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 12345 if (!sUserManager.exists(userId)) return true; 12346 PackageParser.Package p = filter.activity.owner; 12347 if (p != null) { 12348 PackageSetting ps = (PackageSetting)p.mExtras; 12349 if (ps != null) { 12350 // System apps are never considered stopped for purposes of 12351 // filtering, because there may be no way for the user to 12352 // actually re-launch them. 12353 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 12354 && ps.getStopped(userId); 12355 } 12356 } 12357 return false; 12358 } 12359 12360 @Override 12361 protected boolean isPackageForFilter(String packageName, 12362 PackageParser.ActivityIntentInfo info) { 12363 return packageName.equals(info.activity.owner.packageName); 12364 } 12365 12366 @Override 12367 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 12368 int match, int userId) { 12369 if (!sUserManager.exists(userId)) return null; 12370 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 12371 return null; 12372 } 12373 final PackageParser.Activity activity = info.activity; 12374 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 12375 if (ps == null) { 12376 return null; 12377 } 12378 final PackageUserState userState = ps.readUserState(userId); 12379 ActivityInfo ai = 12380 PackageParser.generateActivityInfo(activity, mFlags, userState, userId); 12381 if (ai == null) { 12382 return null; 12383 } 12384 final boolean matchExplicitlyVisibleOnly = 12385 (mFlags & PackageManager.MATCH_EXPLICITLY_VISIBLE_ONLY) != 0; 12386 final boolean matchVisibleToInstantApp = 12387 (mFlags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 12388 final boolean componentVisible = 12389 matchVisibleToInstantApp 12390 && info.isVisibleToInstantApp() 12391 && (!matchExplicitlyVisibleOnly || info.isExplicitlyVisibleToInstantApp()); 12392 final boolean matchInstantApp = (mFlags & PackageManager.MATCH_INSTANT) != 0; 12393 // throw out filters that aren't visible to ephemeral apps 12394 if (matchVisibleToInstantApp && !(componentVisible || userState.instantApp)) { 12395 return null; 12396 } 12397 // throw out instant app filters if we're not explicitly requesting them 12398 if (!matchInstantApp && userState.instantApp) { 12399 return null; 12400 } 12401 // throw out instant app filters if updates are available; will trigger 12402 // instant app resolution 12403 if (userState.instantApp && ps.isUpdateAvailable()) { 12404 return null; 12405 } 12406 final ResolveInfo res = new ResolveInfo(); 12407 res.activityInfo = ai; 12408 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 12409 res.filter = info; 12410 } 12411 if (info != null) { 12412 res.handleAllWebDataURI = info.handleAllWebDataURI(); 12413 } 12414 res.priority = info.getPriority(); 12415 res.preferredOrder = activity.owner.mPreferredOrder; 12416 //System.out.println("Result: " + res.activityInfo.className + 12417 // " = " + res.priority); 12418 res.match = match; 12419 res.isDefault = info.hasDefault; 12420 res.labelRes = info.labelRes; 12421 res.nonLocalizedLabel = info.nonLocalizedLabel; 12422 if (userNeedsBadging(userId)) { 12423 res.noResourceId = true; 12424 } else { 12425 res.icon = info.icon; 12426 } 12427 res.iconResourceId = info.icon; 12428 res.system = res.activityInfo.applicationInfo.isSystemApp(); 12429 res.isInstantAppAvailable = userState.instantApp; 12430 return res; 12431 } 12432 12433 @Override 12434 protected void sortResults(List<ResolveInfo> results) { 12435 Collections.sort(results, mResolvePrioritySorter); 12436 } 12437 12438 @Override 12439 protected void dumpFilter(PrintWriter out, String prefix, 12440 PackageParser.ActivityIntentInfo filter) { 12441 out.print(prefix); out.print( 12442 Integer.toHexString(System.identityHashCode(filter.activity))); 12443 out.print(' '); 12444 filter.activity.printComponentShortName(out); 12445 out.print(" filter "); 12446 out.println(Integer.toHexString(System.identityHashCode(filter))); 12447 } 12448 12449 @Override 12450 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 12451 return filter.activity; 12452 } 12453 12454 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12455 PackageParser.Activity activity = (PackageParser.Activity)label; 12456 out.print(prefix); out.print( 12457 Integer.toHexString(System.identityHashCode(activity))); 12458 out.print(' '); 12459 activity.printComponentShortName(out); 12460 if (count > 1) { 12461 out.print(" ("); out.print(count); out.print(" filters)"); 12462 } 12463 out.println(); 12464 } 12465 12466 // Keys are String (activity class name), values are Activity. 12467 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 12468 = new ArrayMap<ComponentName, PackageParser.Activity>(); 12469 private int mFlags; 12470 } 12471 12472 private final class ServiceIntentResolver 12473 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 12474 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 12475 boolean defaultOnly, int userId) { 12476 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 12477 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 12478 } 12479 12480 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 12481 int userId) { 12482 if (!sUserManager.exists(userId)) return null; 12483 mFlags = flags; 12484 return super.queryIntent(intent, resolvedType, 12485 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 12486 userId); 12487 } 12488 12489 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 12490 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 12491 if (!sUserManager.exists(userId)) return null; 12492 if (packageServices == null) { 12493 return null; 12494 } 12495 mFlags = flags; 12496 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 12497 final int N = packageServices.size(); 12498 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 12499 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 12500 12501 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 12502 for (int i = 0; i < N; ++i) { 12503 intentFilters = packageServices.get(i).intents; 12504 if (intentFilters != null && intentFilters.size() > 0) { 12505 PackageParser.ServiceIntentInfo[] array = 12506 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 12507 intentFilters.toArray(array); 12508 listCut.add(array); 12509 } 12510 } 12511 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 12512 } 12513 12514 public final void addService(PackageParser.Service s) { 12515 mServices.put(s.getComponentName(), s); 12516 if (DEBUG_SHOW_INFO) { 12517 Log.v(TAG, " " 12518 + (s.info.nonLocalizedLabel != null 12519 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 12520 Log.v(TAG, " Class=" + s.info.name); 12521 } 12522 final int NI = s.intents.size(); 12523 int j; 12524 for (j=0; j<NI; j++) { 12525 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 12526 if (DEBUG_SHOW_INFO) { 12527 Log.v(TAG, " IntentFilter:"); 12528 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12529 } 12530 if (!intent.debugCheck()) { 12531 Log.w(TAG, "==> For Service " + s.info.name); 12532 } 12533 addFilter(intent); 12534 } 12535 } 12536 12537 public final void removeService(PackageParser.Service s) { 12538 mServices.remove(s.getComponentName()); 12539 if (DEBUG_SHOW_INFO) { 12540 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 12541 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 12542 Log.v(TAG, " Class=" + s.info.name); 12543 } 12544 final int NI = s.intents.size(); 12545 int j; 12546 for (j=0; j<NI; j++) { 12547 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 12548 if (DEBUG_SHOW_INFO) { 12549 Log.v(TAG, " IntentFilter:"); 12550 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12551 } 12552 removeFilter(intent); 12553 } 12554 } 12555 12556 @Override 12557 protected boolean allowFilterResult( 12558 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 12559 ServiceInfo filterSi = filter.service.info; 12560 for (int i=dest.size()-1; i>=0; i--) { 12561 ServiceInfo destAi = dest.get(i).serviceInfo; 12562 if (destAi.name == filterSi.name 12563 && destAi.packageName == filterSi.packageName) { 12564 return false; 12565 } 12566 } 12567 return true; 12568 } 12569 12570 @Override 12571 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 12572 return new PackageParser.ServiceIntentInfo[size]; 12573 } 12574 12575 @Override 12576 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 12577 if (!sUserManager.exists(userId)) return true; 12578 PackageParser.Package p = filter.service.owner; 12579 if (p != null) { 12580 PackageSetting ps = (PackageSetting)p.mExtras; 12581 if (ps != null) { 12582 // System apps are never considered stopped for purposes of 12583 // filtering, because there may be no way for the user to 12584 // actually re-launch them. 12585 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 12586 && ps.getStopped(userId); 12587 } 12588 } 12589 return false; 12590 } 12591 12592 @Override 12593 protected boolean isPackageForFilter(String packageName, 12594 PackageParser.ServiceIntentInfo info) { 12595 return packageName.equals(info.service.owner.packageName); 12596 } 12597 12598 @Override 12599 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 12600 int match, int userId) { 12601 if (!sUserManager.exists(userId)) return null; 12602 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 12603 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 12604 return null; 12605 } 12606 final PackageParser.Service service = info.service; 12607 PackageSetting ps = (PackageSetting) service.owner.mExtras; 12608 if (ps == null) { 12609 return null; 12610 } 12611 final PackageUserState userState = ps.readUserState(userId); 12612 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 12613 userState, userId); 12614 if (si == null) { 12615 return null; 12616 } 12617 final boolean matchVisibleToInstantApp = 12618 (mFlags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 12619 final boolean isInstantApp = (mFlags & PackageManager.MATCH_INSTANT) != 0; 12620 // throw out filters that aren't visible to ephemeral apps 12621 if (matchVisibleToInstantApp 12622 && !(info.isVisibleToInstantApp() || userState.instantApp)) { 12623 return null; 12624 } 12625 // throw out ephemeral filters if we're not explicitly requesting them 12626 if (!isInstantApp && userState.instantApp) { 12627 return null; 12628 } 12629 // throw out instant app filters if updates are available; will trigger 12630 // instant app resolution 12631 if (userState.instantApp && ps.isUpdateAvailable()) { 12632 return null; 12633 } 12634 final ResolveInfo res = new ResolveInfo(); 12635 res.serviceInfo = si; 12636 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 12637 res.filter = filter; 12638 } 12639 res.priority = info.getPriority(); 12640 res.preferredOrder = service.owner.mPreferredOrder; 12641 res.match = match; 12642 res.isDefault = info.hasDefault; 12643 res.labelRes = info.labelRes; 12644 res.nonLocalizedLabel = info.nonLocalizedLabel; 12645 res.icon = info.icon; 12646 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 12647 return res; 12648 } 12649 12650 @Override 12651 protected void sortResults(List<ResolveInfo> results) { 12652 Collections.sort(results, mResolvePrioritySorter); 12653 } 12654 12655 @Override 12656 protected void dumpFilter(PrintWriter out, String prefix, 12657 PackageParser.ServiceIntentInfo filter) { 12658 out.print(prefix); out.print( 12659 Integer.toHexString(System.identityHashCode(filter.service))); 12660 out.print(' '); 12661 filter.service.printComponentShortName(out); 12662 out.print(" filter "); 12663 out.print(Integer.toHexString(System.identityHashCode(filter))); 12664 if (filter.service.info.permission != null) { 12665 out.print(" permission "); out.println(filter.service.info.permission); 12666 } else { 12667 out.println(); 12668 } 12669 } 12670 12671 @Override 12672 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 12673 return filter.service; 12674 } 12675 12676 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12677 PackageParser.Service service = (PackageParser.Service)label; 12678 out.print(prefix); out.print( 12679 Integer.toHexString(System.identityHashCode(service))); 12680 out.print(' '); 12681 service.printComponentShortName(out); 12682 if (count > 1) { 12683 out.print(" ("); out.print(count); out.print(" filters)"); 12684 } 12685 out.println(); 12686 } 12687 12688// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 12689// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 12690// final List<ResolveInfo> retList = Lists.newArrayList(); 12691// while (i.hasNext()) { 12692// final ResolveInfo resolveInfo = (ResolveInfo) i; 12693// if (isEnabledLP(resolveInfo.serviceInfo)) { 12694// retList.add(resolveInfo); 12695// } 12696// } 12697// return retList; 12698// } 12699 12700 // Keys are String (activity class name), values are Activity. 12701 private final ArrayMap<ComponentName, PackageParser.Service> mServices 12702 = new ArrayMap<ComponentName, PackageParser.Service>(); 12703 private int mFlags; 12704 } 12705 12706 private final class ProviderIntentResolver 12707 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 12708 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 12709 boolean defaultOnly, int userId) { 12710 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 12711 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 12712 } 12713 12714 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 12715 int userId) { 12716 if (!sUserManager.exists(userId)) 12717 return null; 12718 mFlags = flags; 12719 return super.queryIntent(intent, resolvedType, 12720 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 12721 userId); 12722 } 12723 12724 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 12725 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 12726 if (!sUserManager.exists(userId)) 12727 return null; 12728 if (packageProviders == null) { 12729 return null; 12730 } 12731 mFlags = flags; 12732 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 12733 final int N = packageProviders.size(); 12734 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 12735 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 12736 12737 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 12738 for (int i = 0; i < N; ++i) { 12739 intentFilters = packageProviders.get(i).intents; 12740 if (intentFilters != null && intentFilters.size() > 0) { 12741 PackageParser.ProviderIntentInfo[] array = 12742 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 12743 intentFilters.toArray(array); 12744 listCut.add(array); 12745 } 12746 } 12747 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 12748 } 12749 12750 public final void addProvider(PackageParser.Provider p) { 12751 if (mProviders.containsKey(p.getComponentName())) { 12752 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 12753 return; 12754 } 12755 12756 mProviders.put(p.getComponentName(), p); 12757 if (DEBUG_SHOW_INFO) { 12758 Log.v(TAG, " " 12759 + (p.info.nonLocalizedLabel != null 12760 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 12761 Log.v(TAG, " Class=" + p.info.name); 12762 } 12763 final int NI = p.intents.size(); 12764 int j; 12765 for (j = 0; j < NI; j++) { 12766 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 12767 if (DEBUG_SHOW_INFO) { 12768 Log.v(TAG, " IntentFilter:"); 12769 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12770 } 12771 if (!intent.debugCheck()) { 12772 Log.w(TAG, "==> For Provider " + p.info.name); 12773 } 12774 addFilter(intent); 12775 } 12776 } 12777 12778 public final void removeProvider(PackageParser.Provider p) { 12779 mProviders.remove(p.getComponentName()); 12780 if (DEBUG_SHOW_INFO) { 12781 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 12782 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 12783 Log.v(TAG, " Class=" + p.info.name); 12784 } 12785 final int NI = p.intents.size(); 12786 int j; 12787 for (j = 0; j < NI; j++) { 12788 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 12789 if (DEBUG_SHOW_INFO) { 12790 Log.v(TAG, " IntentFilter:"); 12791 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12792 } 12793 removeFilter(intent); 12794 } 12795 } 12796 12797 @Override 12798 protected boolean allowFilterResult( 12799 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 12800 ProviderInfo filterPi = filter.provider.info; 12801 for (int i = dest.size() - 1; i >= 0; i--) { 12802 ProviderInfo destPi = dest.get(i).providerInfo; 12803 if (destPi.name == filterPi.name 12804 && destPi.packageName == filterPi.packageName) { 12805 return false; 12806 } 12807 } 12808 return true; 12809 } 12810 12811 @Override 12812 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 12813 return new PackageParser.ProviderIntentInfo[size]; 12814 } 12815 12816 @Override 12817 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 12818 if (!sUserManager.exists(userId)) 12819 return true; 12820 PackageParser.Package p = filter.provider.owner; 12821 if (p != null) { 12822 PackageSetting ps = (PackageSetting) p.mExtras; 12823 if (ps != null) { 12824 // System apps are never considered stopped for purposes of 12825 // filtering, because there may be no way for the user to 12826 // actually re-launch them. 12827 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 12828 && ps.getStopped(userId); 12829 } 12830 } 12831 return false; 12832 } 12833 12834 @Override 12835 protected boolean isPackageForFilter(String packageName, 12836 PackageParser.ProviderIntentInfo info) { 12837 return packageName.equals(info.provider.owner.packageName); 12838 } 12839 12840 @Override 12841 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 12842 int match, int userId) { 12843 if (!sUserManager.exists(userId)) 12844 return null; 12845 final PackageParser.ProviderIntentInfo info = filter; 12846 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 12847 return null; 12848 } 12849 final PackageParser.Provider provider = info.provider; 12850 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 12851 if (ps == null) { 12852 return null; 12853 } 12854 final PackageUserState userState = ps.readUserState(userId); 12855 final boolean matchVisibleToInstantApp = 12856 (mFlags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 12857 final boolean isInstantApp = (mFlags & PackageManager.MATCH_INSTANT) != 0; 12858 // throw out filters that aren't visible to instant applications 12859 if (matchVisibleToInstantApp 12860 && !(info.isVisibleToInstantApp() || userState.instantApp)) { 12861 return null; 12862 } 12863 // throw out instant application filters if we're not explicitly requesting them 12864 if (!isInstantApp && userState.instantApp) { 12865 return null; 12866 } 12867 // throw out instant application filters if updates are available; will trigger 12868 // instant application resolution 12869 if (userState.instantApp && ps.isUpdateAvailable()) { 12870 return null; 12871 } 12872 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 12873 userState, userId); 12874 if (pi == null) { 12875 return null; 12876 } 12877 final ResolveInfo res = new ResolveInfo(); 12878 res.providerInfo = pi; 12879 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 12880 res.filter = filter; 12881 } 12882 res.priority = info.getPriority(); 12883 res.preferredOrder = provider.owner.mPreferredOrder; 12884 res.match = match; 12885 res.isDefault = info.hasDefault; 12886 res.labelRes = info.labelRes; 12887 res.nonLocalizedLabel = info.nonLocalizedLabel; 12888 res.icon = info.icon; 12889 res.system = res.providerInfo.applicationInfo.isSystemApp(); 12890 return res; 12891 } 12892 12893 @Override 12894 protected void sortResults(List<ResolveInfo> results) { 12895 Collections.sort(results, mResolvePrioritySorter); 12896 } 12897 12898 @Override 12899 protected void dumpFilter(PrintWriter out, String prefix, 12900 PackageParser.ProviderIntentInfo filter) { 12901 out.print(prefix); 12902 out.print( 12903 Integer.toHexString(System.identityHashCode(filter.provider))); 12904 out.print(' '); 12905 filter.provider.printComponentShortName(out); 12906 out.print(" filter "); 12907 out.println(Integer.toHexString(System.identityHashCode(filter))); 12908 } 12909 12910 @Override 12911 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 12912 return filter.provider; 12913 } 12914 12915 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12916 PackageParser.Provider provider = (PackageParser.Provider)label; 12917 out.print(prefix); out.print( 12918 Integer.toHexString(System.identityHashCode(provider))); 12919 out.print(' '); 12920 provider.printComponentShortName(out); 12921 if (count > 1) { 12922 out.print(" ("); out.print(count); out.print(" filters)"); 12923 } 12924 out.println(); 12925 } 12926 12927 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 12928 = new ArrayMap<ComponentName, PackageParser.Provider>(); 12929 private int mFlags; 12930 } 12931 12932 static final class EphemeralIntentResolver 12933 extends IntentResolver<AuxiliaryResolveInfo, AuxiliaryResolveInfo> { 12934 /** 12935 * The result that has the highest defined order. Ordering applies on a 12936 * per-package basis. Mapping is from package name to Pair of order and 12937 * EphemeralResolveInfo. 12938 * <p> 12939 * NOTE: This is implemented as a field variable for convenience and efficiency. 12940 * By having a field variable, we're able to track filter ordering as soon as 12941 * a non-zero order is defined. Otherwise, multiple loops across the result set 12942 * would be needed to apply ordering. If the intent resolver becomes re-entrant, 12943 * this needs to be contained entirely within {@link #filterResults}. 12944 */ 12945 final ArrayMap<String, Pair<Integer, InstantAppResolveInfo>> mOrderResult = new ArrayMap<>(); 12946 12947 @Override 12948 protected AuxiliaryResolveInfo[] newArray(int size) { 12949 return new AuxiliaryResolveInfo[size]; 12950 } 12951 12952 @Override 12953 protected boolean isPackageForFilter(String packageName, AuxiliaryResolveInfo responseObj) { 12954 return true; 12955 } 12956 12957 @Override 12958 protected AuxiliaryResolveInfo newResult(AuxiliaryResolveInfo responseObj, int match, 12959 int userId) { 12960 if (!sUserManager.exists(userId)) { 12961 return null; 12962 } 12963 final String packageName = responseObj.resolveInfo.getPackageName(); 12964 final Integer order = responseObj.getOrder(); 12965 final Pair<Integer, InstantAppResolveInfo> lastOrderResult = 12966 mOrderResult.get(packageName); 12967 // ordering is enabled and this item's order isn't high enough 12968 if (lastOrderResult != null && lastOrderResult.first >= order) { 12969 return null; 12970 } 12971 final InstantAppResolveInfo res = responseObj.resolveInfo; 12972 if (order > 0) { 12973 // non-zero order, enable ordering 12974 mOrderResult.put(packageName, new Pair<>(order, res)); 12975 } 12976 return responseObj; 12977 } 12978 12979 @Override 12980 protected void filterResults(List<AuxiliaryResolveInfo> results) { 12981 // only do work if ordering is enabled [most of the time it won't be] 12982 if (mOrderResult.size() == 0) { 12983 return; 12984 } 12985 int resultSize = results.size(); 12986 for (int i = 0; i < resultSize; i++) { 12987 final InstantAppResolveInfo info = results.get(i).resolveInfo; 12988 final String packageName = info.getPackageName(); 12989 final Pair<Integer, InstantAppResolveInfo> savedInfo = mOrderResult.get(packageName); 12990 if (savedInfo == null) { 12991 // package doesn't having ordering 12992 continue; 12993 } 12994 if (savedInfo.second == info) { 12995 // circled back to the highest ordered item; remove from order list 12996 mOrderResult.remove(packageName); 12997 if (mOrderResult.size() == 0) { 12998 // no more ordered items 12999 break; 13000 } 13001 continue; 13002 } 13003 // item has a worse order, remove it from the result list 13004 results.remove(i); 13005 resultSize--; 13006 i--; 13007 } 13008 } 13009 } 13010 13011 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 13012 new Comparator<ResolveInfo>() { 13013 public int compare(ResolveInfo r1, ResolveInfo r2) { 13014 int v1 = r1.priority; 13015 int v2 = r2.priority; 13016 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 13017 if (v1 != v2) { 13018 return (v1 > v2) ? -1 : 1; 13019 } 13020 v1 = r1.preferredOrder; 13021 v2 = r2.preferredOrder; 13022 if (v1 != v2) { 13023 return (v1 > v2) ? -1 : 1; 13024 } 13025 if (r1.isDefault != r2.isDefault) { 13026 return r1.isDefault ? -1 : 1; 13027 } 13028 v1 = r1.match; 13029 v2 = r2.match; 13030 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 13031 if (v1 != v2) { 13032 return (v1 > v2) ? -1 : 1; 13033 } 13034 if (r1.system != r2.system) { 13035 return r1.system ? -1 : 1; 13036 } 13037 if (r1.activityInfo != null) { 13038 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 13039 } 13040 if (r1.serviceInfo != null) { 13041 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 13042 } 13043 if (r1.providerInfo != null) { 13044 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 13045 } 13046 return 0; 13047 } 13048 }; 13049 13050 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 13051 new Comparator<ProviderInfo>() { 13052 public int compare(ProviderInfo p1, ProviderInfo p2) { 13053 final int v1 = p1.initOrder; 13054 final int v2 = p2.initOrder; 13055 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 13056 } 13057 }; 13058 13059 @Override 13060 public void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 13061 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 13062 final int[] userIds, int[] instantUserIds) { 13063 mHandler.post(new Runnable() { 13064 @Override 13065 public void run() { 13066 try { 13067 final IActivityManager am = ActivityManager.getService(); 13068 if (am == null) return; 13069 final int[] resolvedUserIds; 13070 if (userIds == null) { 13071 resolvedUserIds = am.getRunningUserIds(); 13072 } else { 13073 resolvedUserIds = userIds; 13074 } 13075 doSendBroadcast(am, action, pkg, extras, flags, targetPkg, finishedReceiver, 13076 resolvedUserIds, false); 13077 if (instantUserIds != null && instantUserIds != EMPTY_INT_ARRAY) { 13078 doSendBroadcast(am, action, pkg, extras, flags, targetPkg, finishedReceiver, 13079 instantUserIds, true); 13080 } 13081 } catch (RemoteException ex) { 13082 } 13083 } 13084 }); 13085 } 13086 13087 @Override 13088 public void notifyPackageAdded(String packageName) { 13089 final PackageListObserver[] observers; 13090 synchronized (mPackages) { 13091 if (mPackageListObservers.size() == 0) { 13092 return; 13093 } 13094 observers = (PackageListObserver[]) mPackageListObservers.toArray(); 13095 } 13096 for (int i = observers.length - 1; i >= 0; --i) { 13097 observers[i].onPackageAdded(packageName); 13098 } 13099 } 13100 13101 @Override 13102 public void notifyPackageRemoved(String packageName) { 13103 final PackageListObserver[] observers; 13104 synchronized (mPackages) { 13105 if (mPackageListObservers.size() == 0) { 13106 return; 13107 } 13108 observers = (PackageListObserver[]) mPackageListObservers.toArray(); 13109 } 13110 for (int i = observers.length - 1; i >= 0; --i) { 13111 observers[i].onPackageRemoved(packageName); 13112 } 13113 } 13114 13115 /** 13116 * Sends a broadcast for the given action. 13117 * <p>If {@code isInstantApp} is {@code true}, then the broadcast is protected with 13118 * the {@link android.Manifest.permission#ACCESS_INSTANT_APPS} permission. This allows 13119 * the system and applications allowed to see instant applications to receive package 13120 * lifecycle events for instant applications. 13121 */ 13122 private void doSendBroadcast(IActivityManager am, String action, String pkg, Bundle extras, 13123 int flags, String targetPkg, IIntentReceiver finishedReceiver, 13124 int[] userIds, boolean isInstantApp) 13125 throws RemoteException { 13126 for (int id : userIds) { 13127 final Intent intent = new Intent(action, 13128 pkg != null ? Uri.fromParts(PACKAGE_SCHEME, pkg, null) : null); 13129 final String[] requiredPermissions = 13130 isInstantApp ? INSTANT_APP_BROADCAST_PERMISSION : null; 13131 if (extras != null) { 13132 intent.putExtras(extras); 13133 } 13134 if (targetPkg != null) { 13135 intent.setPackage(targetPkg); 13136 } 13137 // Modify the UID when posting to other users 13138 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 13139 if (uid > 0 && UserHandle.getUserId(uid) != id) { 13140 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 13141 intent.putExtra(Intent.EXTRA_UID, uid); 13142 } 13143 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 13144 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 13145 if (DEBUG_BROADCASTS) { 13146 RuntimeException here = new RuntimeException("here"); 13147 here.fillInStackTrace(); 13148 Slog.d(TAG, "Sending to user " + id + ": " 13149 + intent.toShortString(false, true, false, false) 13150 + " " + intent.getExtras(), here); 13151 } 13152 am.broadcastIntent(null, intent, null, finishedReceiver, 13153 0, null, null, requiredPermissions, android.app.AppOpsManager.OP_NONE, 13154 null, finishedReceiver != null, false, id); 13155 } 13156 } 13157 13158 /** 13159 * Check if the external storage media is available. This is true if there 13160 * is a mounted external storage medium or if the external storage is 13161 * emulated. 13162 */ 13163 private boolean isExternalMediaAvailable() { 13164 return mMediaMounted || Environment.isExternalStorageEmulated(); 13165 } 13166 13167 @Override 13168 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 13169 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 13170 return null; 13171 } 13172 if (!isExternalMediaAvailable()) { 13173 // If the external storage is no longer mounted at this point, 13174 // the caller may not have been able to delete all of this 13175 // packages files and can not delete any more. Bail. 13176 return null; 13177 } 13178 synchronized (mPackages) { 13179 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 13180 if (lastPackage != null) { 13181 pkgs.remove(lastPackage); 13182 } 13183 if (pkgs.size() > 0) { 13184 return pkgs.get(0); 13185 } 13186 } 13187 return null; 13188 } 13189 13190 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 13191 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 13192 userId, andCode ? 1 : 0, packageName); 13193 if (mSystemReady) { 13194 msg.sendToTarget(); 13195 } else { 13196 if (mPostSystemReadyMessages == null) { 13197 mPostSystemReadyMessages = new ArrayList<>(); 13198 } 13199 mPostSystemReadyMessages.add(msg); 13200 } 13201 } 13202 13203 void startCleaningPackages() { 13204 // reader 13205 if (!isExternalMediaAvailable()) { 13206 return; 13207 } 13208 synchronized (mPackages) { 13209 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 13210 return; 13211 } 13212 } 13213 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 13214 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 13215 IActivityManager am = ActivityManager.getService(); 13216 if (am != null) { 13217 int dcsUid = -1; 13218 synchronized (mPackages) { 13219 if (!mDefaultContainerWhitelisted) { 13220 mDefaultContainerWhitelisted = true; 13221 PackageSetting ps = mSettings.mPackages.get(DEFAULT_CONTAINER_PACKAGE); 13222 dcsUid = UserHandle.getUid(UserHandle.USER_SYSTEM, ps.appId); 13223 } 13224 } 13225 try { 13226 if (dcsUid > 0) { 13227 am.backgroundWhitelistUid(dcsUid); 13228 } 13229 am.startService(null, intent, null, false, mContext.getOpPackageName(), 13230 UserHandle.USER_SYSTEM); 13231 } catch (RemoteException e) { 13232 } 13233 } 13234 } 13235 13236 /** 13237 * Ensure that the install reason matches what we know about the package installer (e.g. whether 13238 * it is acting on behalf on an enterprise or the user). 13239 * 13240 * Note that the ordering of the conditionals in this method is important. The checks we perform 13241 * are as follows, in this order: 13242 * 13243 * 1) If the install is being performed by a system app, we can trust the app to have set the 13244 * install reason correctly. Thus, we pass through the install reason unchanged, no matter 13245 * what it is. 13246 * 2) If the install is being performed by a device or profile owner app, the install reason 13247 * should be enterprise policy. However, we cannot be sure that the device or profile owner 13248 * set the install reason correctly. If the app targets an older SDK version where install 13249 * reasons did not exist yet, or if the app author simply forgot, the install reason may be 13250 * unset or wrong. Thus, we force the install reason to be enterprise policy. 13251 * 3) In all other cases, the install is being performed by a regular app that is neither part 13252 * of the system nor a device or profile owner. We have no reason to believe that this app is 13253 * acting on behalf of the enterprise admin. Thus, we check whether the install reason was 13254 * set to enterprise policy and if so, change it to unknown instead. 13255 */ 13256 private int fixUpInstallReason(String installerPackageName, int installerUid, 13257 int installReason) { 13258 if (checkUidPermission(android.Manifest.permission.INSTALL_PACKAGES, installerUid) 13259 == PERMISSION_GRANTED) { 13260 // If the install is being performed by a system app, we trust that app to have set the 13261 // install reason correctly. 13262 return installReason; 13263 } 13264 13265 final IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 13266 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 13267 if (dpm != null) { 13268 ComponentName owner = null; 13269 try { 13270 owner = dpm.getDeviceOwnerComponent(true /* callingUserOnly */); 13271 if (owner == null) { 13272 owner = dpm.getProfileOwner(UserHandle.getUserId(installerUid)); 13273 } 13274 } catch (RemoteException e) { 13275 } 13276 if (owner != null && owner.getPackageName().equals(installerPackageName)) { 13277 // If the install is being performed by a device or profile owner, the install 13278 // reason should be enterprise policy. 13279 return PackageManager.INSTALL_REASON_POLICY; 13280 } 13281 } 13282 13283 if (installReason == PackageManager.INSTALL_REASON_POLICY) { 13284 // If the install is being performed by a regular app (i.e. neither system app nor 13285 // device or profile owner), we have no reason to believe that the app is acting on 13286 // behalf of an enterprise. If the app set the install reason to enterprise policy, 13287 // change it to unknown instead. 13288 return PackageManager.INSTALL_REASON_UNKNOWN; 13289 } 13290 13291 // If the install is being performed by a regular app and the install reason was set to any 13292 // value but enterprise policy, leave the install reason unchanged. 13293 return installReason; 13294 } 13295 13296 void installStage(String packageName, File stagedDir, 13297 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 13298 String installerPackageName, int installerUid, UserHandle user, 13299 PackageParser.SigningDetails signingDetails) { 13300 if (DEBUG_EPHEMERAL) { 13301 if ((sessionParams.installFlags & PackageManager.INSTALL_INSTANT_APP) != 0) { 13302 Slog.d(TAG, "Ephemeral install of " + packageName); 13303 } 13304 } 13305 final VerificationInfo verificationInfo = new VerificationInfo( 13306 sessionParams.originatingUri, sessionParams.referrerUri, 13307 sessionParams.originatingUid, installerUid); 13308 13309 final OriginInfo origin = OriginInfo.fromStagedFile(stagedDir); 13310 13311 final Message msg = mHandler.obtainMessage(INIT_COPY); 13312 final int installReason = fixUpInstallReason(installerPackageName, installerUid, 13313 sessionParams.installReason); 13314 final InstallParams params = new InstallParams(origin, null, observer, 13315 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 13316 verificationInfo, user, sessionParams.abiOverride, 13317 sessionParams.grantedRuntimePermissions, signingDetails, installReason); 13318 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 13319 msg.obj = params; 13320 13321 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 13322 System.identityHashCode(msg.obj)); 13323 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 13324 System.identityHashCode(msg.obj)); 13325 13326 mHandler.sendMessage(msg); 13327 } 13328 13329 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 13330 int userId) { 13331 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 13332 final boolean isInstantApp = pkgSetting.getInstantApp(userId); 13333 final int[] userIds = isInstantApp ? EMPTY_INT_ARRAY : new int[] { userId }; 13334 final int[] instantUserIds = isInstantApp ? new int[] { userId } : EMPTY_INT_ARRAY; 13335 sendPackageAddedForNewUsers(packageName, isSystem /*sendBootCompleted*/, 13336 false /*startReceiver*/, pkgSetting.appId, userIds, instantUserIds); 13337 13338 // Send a session commit broadcast 13339 final PackageInstaller.SessionInfo info = new PackageInstaller.SessionInfo(); 13340 info.installReason = pkgSetting.getInstallReason(userId); 13341 info.appPackageName = packageName; 13342 sendSessionCommitBroadcast(info, userId); 13343 } 13344 13345 @Override 13346 public void sendPackageAddedForNewUsers(String packageName, boolean sendBootCompleted, 13347 boolean includeStopped, int appId, int[] userIds, int[] instantUserIds) { 13348 if (ArrayUtils.isEmpty(userIds) && ArrayUtils.isEmpty(instantUserIds)) { 13349 return; 13350 } 13351 Bundle extras = new Bundle(1); 13352 // Set to UID of the first user, EXTRA_UID is automatically updated in sendPackageBroadcast 13353 final int uid = UserHandle.getUid( 13354 (ArrayUtils.isEmpty(userIds) ? instantUserIds[0] : userIds[0]), appId); 13355 extras.putInt(Intent.EXTRA_UID, uid); 13356 13357 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 13358 packageName, extras, 0, null, null, userIds, instantUserIds); 13359 if (sendBootCompleted && !ArrayUtils.isEmpty(userIds)) { 13360 mHandler.post(() -> { 13361 for (int userId : userIds) { 13362 sendBootCompletedBroadcastToSystemApp( 13363 packageName, includeStopped, userId); 13364 } 13365 } 13366 ); 13367 } 13368 } 13369 13370 /** 13371 * The just-installed/enabled app is bundled on the system, so presumed to be able to run 13372 * automatically without needing an explicit launch. 13373 * Send it a LOCKED_BOOT_COMPLETED/BOOT_COMPLETED if it would ordinarily have gotten ones. 13374 */ 13375 private void sendBootCompletedBroadcastToSystemApp(String packageName, boolean includeStopped, 13376 int userId) { 13377 // If user is not running, the app didn't miss any broadcast 13378 if (!mUserManagerInternal.isUserRunning(userId)) { 13379 return; 13380 } 13381 final IActivityManager am = ActivityManager.getService(); 13382 try { 13383 // Deliver LOCKED_BOOT_COMPLETED first 13384 Intent lockedBcIntent = new Intent(Intent.ACTION_LOCKED_BOOT_COMPLETED) 13385 .setPackage(packageName); 13386 if (includeStopped) { 13387 lockedBcIntent.addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES); 13388 } 13389 final String[] requiredPermissions = {Manifest.permission.RECEIVE_BOOT_COMPLETED}; 13390 am.broadcastIntent(null, lockedBcIntent, null, null, 0, null, null, requiredPermissions, 13391 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 13392 13393 // Deliver BOOT_COMPLETED only if user is unlocked 13394 if (mUserManagerInternal.isUserUnlockingOrUnlocked(userId)) { 13395 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED).setPackage(packageName); 13396 if (includeStopped) { 13397 bcIntent.addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES); 13398 } 13399 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, requiredPermissions, 13400 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 13401 } 13402 } catch (RemoteException e) { 13403 throw e.rethrowFromSystemServer(); 13404 } 13405 } 13406 13407 @Override 13408 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 13409 int userId) { 13410 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13411 PackageSetting pkgSetting; 13412 final int callingUid = Binder.getCallingUid(); 13413 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 13414 true /* requireFullPermission */, true /* checkShell */, 13415 "setApplicationHiddenSetting for user " + userId); 13416 13417 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 13418 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 13419 return false; 13420 } 13421 13422 long callingId = Binder.clearCallingIdentity(); 13423 try { 13424 boolean sendAdded = false; 13425 boolean sendRemoved = false; 13426 // writer 13427 synchronized (mPackages) { 13428 pkgSetting = mSettings.mPackages.get(packageName); 13429 if (pkgSetting == null) { 13430 return false; 13431 } 13432 if (filterAppAccessLPr(pkgSetting, callingUid, userId)) { 13433 return false; 13434 } 13435 // Do not allow "android" is being disabled 13436 if ("android".equals(packageName)) { 13437 Slog.w(TAG, "Cannot hide package: android"); 13438 return false; 13439 } 13440 // Cannot hide static shared libs as they are considered 13441 // a part of the using app (emulating static linking). Also 13442 // static libs are installed always on internal storage. 13443 PackageParser.Package pkg = mPackages.get(packageName); 13444 if (pkg != null && pkg.staticSharedLibName != null) { 13445 Slog.w(TAG, "Cannot hide package: " + packageName 13446 + " providing static shared library: " 13447 + pkg.staticSharedLibName); 13448 return false; 13449 } 13450 // Only allow protected packages to hide themselves. 13451 if (hidden && !UserHandle.isSameApp(callingUid, pkgSetting.appId) 13452 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 13453 Slog.w(TAG, "Not hiding protected package: " + packageName); 13454 return false; 13455 } 13456 13457 if (pkgSetting.getHidden(userId) != hidden) { 13458 pkgSetting.setHidden(hidden, userId); 13459 mSettings.writePackageRestrictionsLPr(userId); 13460 if (hidden) { 13461 sendRemoved = true; 13462 } else { 13463 sendAdded = true; 13464 } 13465 } 13466 } 13467 if (sendAdded) { 13468 sendPackageAddedForUser(packageName, pkgSetting, userId); 13469 return true; 13470 } 13471 if (sendRemoved) { 13472 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 13473 "hiding pkg"); 13474 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 13475 return true; 13476 } 13477 } finally { 13478 Binder.restoreCallingIdentity(callingId); 13479 } 13480 return false; 13481 } 13482 13483 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 13484 int userId) { 13485 final PackageRemovedInfo info = new PackageRemovedInfo(this); 13486 info.removedPackage = packageName; 13487 info.installerPackageName = pkgSetting.installerPackageName; 13488 info.removedUsers = new int[] {userId}; 13489 info.broadcastUsers = new int[] {userId}; 13490 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 13491 info.sendPackageRemovedBroadcasts(true /*killApp*/); 13492 } 13493 13494 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 13495 if (pkgList.length > 0) { 13496 Bundle extras = new Bundle(1); 13497 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 13498 13499 sendPackageBroadcast( 13500 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 13501 : Intent.ACTION_PACKAGES_UNSUSPENDED, 13502 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 13503 new int[] {userId}, null); 13504 } 13505 } 13506 13507 /** 13508 * Returns true if application is not found or there was an error. Otherwise it returns 13509 * the hidden state of the package for the given user. 13510 */ 13511 @Override 13512 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 13513 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13514 final int callingUid = Binder.getCallingUid(); 13515 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 13516 true /* requireFullPermission */, false /* checkShell */, 13517 "getApplicationHidden for user " + userId); 13518 PackageSetting ps; 13519 long callingId = Binder.clearCallingIdentity(); 13520 try { 13521 // writer 13522 synchronized (mPackages) { 13523 ps = mSettings.mPackages.get(packageName); 13524 if (ps == null) { 13525 return true; 13526 } 13527 if (filterAppAccessLPr(ps, callingUid, userId)) { 13528 return true; 13529 } 13530 return ps.getHidden(userId); 13531 } 13532 } finally { 13533 Binder.restoreCallingIdentity(callingId); 13534 } 13535 } 13536 13537 /** 13538 * @hide 13539 */ 13540 @Override 13541 public int installExistingPackageAsUser(String packageName, int userId, int installFlags, 13542 int installReason) { 13543 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 13544 null); 13545 PackageSetting pkgSetting; 13546 final int callingUid = Binder.getCallingUid(); 13547 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 13548 true /* requireFullPermission */, true /* checkShell */, 13549 "installExistingPackage for user " + userId); 13550 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 13551 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 13552 } 13553 13554 long callingId = Binder.clearCallingIdentity(); 13555 try { 13556 boolean installed = false; 13557 final boolean instantApp = 13558 (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 13559 final boolean fullApp = 13560 (installFlags & PackageManager.INSTALL_FULL_APP) != 0; 13561 13562 // writer 13563 synchronized (mPackages) { 13564 pkgSetting = mSettings.mPackages.get(packageName); 13565 if (pkgSetting == null) { 13566 return PackageManager.INSTALL_FAILED_INVALID_URI; 13567 } 13568 if (!canViewInstantApps(callingUid, UserHandle.getUserId(callingUid))) { 13569 // only allow the existing package to be used if it's installed as a full 13570 // application for at least one user 13571 boolean installAllowed = false; 13572 for (int checkUserId : sUserManager.getUserIds()) { 13573 installAllowed = !pkgSetting.getInstantApp(checkUserId); 13574 if (installAllowed) { 13575 break; 13576 } 13577 } 13578 if (!installAllowed) { 13579 return PackageManager.INSTALL_FAILED_INVALID_URI; 13580 } 13581 } 13582 if (!pkgSetting.getInstalled(userId)) { 13583 pkgSetting.setInstalled(true, userId); 13584 pkgSetting.setHidden(false, userId); 13585 pkgSetting.setInstallReason(installReason, userId); 13586 mSettings.writePackageRestrictionsLPr(userId); 13587 mSettings.writeKernelMappingLPr(pkgSetting); 13588 installed = true; 13589 } else if (fullApp && pkgSetting.getInstantApp(userId)) { 13590 // upgrade app from instant to full; we don't allow app downgrade 13591 installed = true; 13592 } 13593 setInstantAppForUser(pkgSetting, userId, instantApp, fullApp); 13594 } 13595 13596 if (installed) { 13597 if (pkgSetting.pkg != null) { 13598 synchronized (mInstallLock) { 13599 // We don't need to freeze for a brand new install 13600 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 13601 } 13602 } 13603 sendPackageAddedForUser(packageName, pkgSetting, userId); 13604 synchronized (mPackages) { 13605 updateSequenceNumberLP(pkgSetting, new int[]{ userId }); 13606 } 13607 } 13608 } finally { 13609 Binder.restoreCallingIdentity(callingId); 13610 } 13611 13612 return PackageManager.INSTALL_SUCCEEDED; 13613 } 13614 13615 void setInstantAppForUser(PackageSetting pkgSetting, int userId, 13616 boolean instantApp, boolean fullApp) { 13617 // no state specified; do nothing 13618 if (!instantApp && !fullApp) { 13619 return; 13620 } 13621 if (userId != UserHandle.USER_ALL) { 13622 if (instantApp && !pkgSetting.getInstantApp(userId)) { 13623 pkgSetting.setInstantApp(true /*instantApp*/, userId); 13624 } else if (fullApp && pkgSetting.getInstantApp(userId)) { 13625 pkgSetting.setInstantApp(false /*instantApp*/, userId); 13626 } 13627 } else { 13628 for (int currentUserId : sUserManager.getUserIds()) { 13629 if (instantApp && !pkgSetting.getInstantApp(currentUserId)) { 13630 pkgSetting.setInstantApp(true /*instantApp*/, currentUserId); 13631 } else if (fullApp && pkgSetting.getInstantApp(currentUserId)) { 13632 pkgSetting.setInstantApp(false /*instantApp*/, currentUserId); 13633 } 13634 } 13635 } 13636 } 13637 13638 boolean isUserRestricted(int userId, String restrictionKey) { 13639 Bundle restrictions = sUserManager.getUserRestrictions(userId); 13640 if (restrictions.getBoolean(restrictionKey, false)) { 13641 Log.w(TAG, "User is restricted: " + restrictionKey); 13642 return true; 13643 } 13644 return false; 13645 } 13646 13647 @Override 13648 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 13649 int userId) { 13650 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13651 final int callingUid = Binder.getCallingUid(); 13652 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 13653 true /* requireFullPermission */, true /* checkShell */, 13654 "setPackagesSuspended for user " + userId); 13655 13656 if (ArrayUtils.isEmpty(packageNames)) { 13657 return packageNames; 13658 } 13659 13660 // List of package names for whom the suspended state has changed. 13661 List<String> changedPackages = new ArrayList<>(packageNames.length); 13662 // List of package names for whom the suspended state is not set as requested in this 13663 // method. 13664 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 13665 long callingId = Binder.clearCallingIdentity(); 13666 try { 13667 for (int i = 0; i < packageNames.length; i++) { 13668 String packageName = packageNames[i]; 13669 boolean changed = false; 13670 final int appId; 13671 synchronized (mPackages) { 13672 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 13673 if (pkgSetting == null 13674 || filterAppAccessLPr(pkgSetting, callingUid, userId)) { 13675 Slog.w(TAG, "Could not find package setting for package \"" + packageName 13676 + "\". Skipping suspending/un-suspending."); 13677 unactionedPackages.add(packageName); 13678 continue; 13679 } 13680 appId = pkgSetting.appId; 13681 if (pkgSetting.getSuspended(userId) != suspended) { 13682 if (!canSuspendPackageForUserLocked(packageName, userId)) { 13683 unactionedPackages.add(packageName); 13684 continue; 13685 } 13686 pkgSetting.setSuspended(suspended, userId); 13687 mSettings.writePackageRestrictionsLPr(userId); 13688 changed = true; 13689 changedPackages.add(packageName); 13690 } 13691 } 13692 13693 if (changed && suspended) { 13694 killApplication(packageName, UserHandle.getUid(userId, appId), 13695 "suspending package"); 13696 } 13697 } 13698 } finally { 13699 Binder.restoreCallingIdentity(callingId); 13700 } 13701 13702 if (!changedPackages.isEmpty()) { 13703 sendPackagesSuspendedForUser(changedPackages.toArray( 13704 new String[changedPackages.size()]), userId, suspended); 13705 } 13706 13707 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 13708 } 13709 13710 @Override 13711 public boolean isPackageSuspendedForUser(String packageName, int userId) { 13712 final int callingUid = Binder.getCallingUid(); 13713 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 13714 true /* requireFullPermission */, false /* checkShell */, 13715 "isPackageSuspendedForUser for user " + userId); 13716 synchronized (mPackages) { 13717 final PackageSetting ps = mSettings.mPackages.get(packageName); 13718 if (ps == null || filterAppAccessLPr(ps, callingUid, userId)) { 13719 throw new IllegalArgumentException("Unknown target package: " + packageName); 13720 } 13721 return ps.getSuspended(userId); 13722 } 13723 } 13724 13725 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 13726 if (isPackageDeviceAdmin(packageName, userId)) { 13727 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13728 + "\": has an active device admin"); 13729 return false; 13730 } 13731 13732 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 13733 if (packageName.equals(activeLauncherPackageName)) { 13734 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13735 + "\": contains the active launcher"); 13736 return false; 13737 } 13738 13739 if (packageName.equals(mRequiredInstallerPackage)) { 13740 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13741 + "\": required for package installation"); 13742 return false; 13743 } 13744 13745 if (packageName.equals(mRequiredUninstallerPackage)) { 13746 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13747 + "\": required for package uninstallation"); 13748 return false; 13749 } 13750 13751 if (packageName.equals(mRequiredVerifierPackage)) { 13752 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13753 + "\": required for package verification"); 13754 return false; 13755 } 13756 13757 if (packageName.equals(getDefaultDialerPackageName(userId))) { 13758 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13759 + "\": is the default dialer"); 13760 return false; 13761 } 13762 13763 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 13764 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13765 + "\": protected package"); 13766 return false; 13767 } 13768 13769 // Cannot suspend static shared libs as they are considered 13770 // a part of the using app (emulating static linking). Also 13771 // static libs are installed always on internal storage. 13772 PackageParser.Package pkg = mPackages.get(packageName); 13773 if (pkg != null && pkg.applicationInfo.isStaticSharedLibrary()) { 13774 Slog.w(TAG, "Cannot suspend package: " + packageName 13775 + " providing static shared library: " 13776 + pkg.staticSharedLibName); 13777 return false; 13778 } 13779 13780 return true; 13781 } 13782 13783 private String getActiveLauncherPackageName(int userId) { 13784 Intent intent = new Intent(Intent.ACTION_MAIN); 13785 intent.addCategory(Intent.CATEGORY_HOME); 13786 ResolveInfo resolveInfo = resolveIntent( 13787 intent, 13788 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 13789 PackageManager.MATCH_DEFAULT_ONLY, 13790 userId); 13791 13792 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 13793 } 13794 13795 private String getDefaultDialerPackageName(int userId) { 13796 synchronized (mPackages) { 13797 return mSettings.getDefaultDialerPackageNameLPw(userId); 13798 } 13799 } 13800 13801 @Override 13802 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 13803 mContext.enforceCallingOrSelfPermission( 13804 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13805 "Only package verification agents can verify applications"); 13806 13807 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 13808 final PackageVerificationResponse response = new PackageVerificationResponse( 13809 verificationCode, Binder.getCallingUid()); 13810 msg.arg1 = id; 13811 msg.obj = response; 13812 mHandler.sendMessage(msg); 13813 } 13814 13815 @Override 13816 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 13817 long millisecondsToDelay) { 13818 mContext.enforceCallingOrSelfPermission( 13819 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13820 "Only package verification agents can extend verification timeouts"); 13821 13822 final PackageVerificationState state = mPendingVerification.get(id); 13823 final PackageVerificationResponse response = new PackageVerificationResponse( 13824 verificationCodeAtTimeout, Binder.getCallingUid()); 13825 13826 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 13827 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 13828 } 13829 if (millisecondsToDelay < 0) { 13830 millisecondsToDelay = 0; 13831 } 13832 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 13833 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 13834 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 13835 } 13836 13837 if ((state != null) && !state.timeoutExtended()) { 13838 state.extendTimeout(); 13839 13840 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 13841 msg.arg1 = id; 13842 msg.obj = response; 13843 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 13844 } 13845 } 13846 13847 private void broadcastPackageVerified(int verificationId, Uri packageUri, 13848 int verificationCode, UserHandle user) { 13849 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 13850 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 13851 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 13852 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 13853 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 13854 13855 mContext.sendBroadcastAsUser(intent, user, 13856 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 13857 } 13858 13859 private ComponentName matchComponentForVerifier(String packageName, 13860 List<ResolveInfo> receivers) { 13861 ActivityInfo targetReceiver = null; 13862 13863 final int NR = receivers.size(); 13864 for (int i = 0; i < NR; i++) { 13865 final ResolveInfo info = receivers.get(i); 13866 if (info.activityInfo == null) { 13867 continue; 13868 } 13869 13870 if (packageName.equals(info.activityInfo.packageName)) { 13871 targetReceiver = info.activityInfo; 13872 break; 13873 } 13874 } 13875 13876 if (targetReceiver == null) { 13877 return null; 13878 } 13879 13880 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 13881 } 13882 13883 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 13884 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 13885 if (pkgInfo.verifiers.length == 0) { 13886 return null; 13887 } 13888 13889 final int N = pkgInfo.verifiers.length; 13890 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 13891 for (int i = 0; i < N; i++) { 13892 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 13893 13894 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 13895 receivers); 13896 if (comp == null) { 13897 continue; 13898 } 13899 13900 final int verifierUid = getUidForVerifier(verifierInfo); 13901 if (verifierUid == -1) { 13902 continue; 13903 } 13904 13905 if (DEBUG_VERIFY) { 13906 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 13907 + " with the correct signature"); 13908 } 13909 sufficientVerifiers.add(comp); 13910 verificationState.addSufficientVerifier(verifierUid); 13911 } 13912 13913 return sufficientVerifiers; 13914 } 13915 13916 private int getUidForVerifier(VerifierInfo verifierInfo) { 13917 synchronized (mPackages) { 13918 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 13919 if (pkg == null) { 13920 return -1; 13921 } else if (pkg.mSigningDetails.signatures.length != 1) { 13922 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 13923 + " has more than one signature; ignoring"); 13924 return -1; 13925 } 13926 13927 /* 13928 * If the public key of the package's signature does not match 13929 * our expected public key, then this is a different package and 13930 * we should skip. 13931 */ 13932 13933 final byte[] expectedPublicKey; 13934 try { 13935 final Signature verifierSig = pkg.mSigningDetails.signatures[0]; 13936 final PublicKey publicKey = verifierSig.getPublicKey(); 13937 expectedPublicKey = publicKey.getEncoded(); 13938 } catch (CertificateException e) { 13939 return -1; 13940 } 13941 13942 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 13943 13944 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 13945 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 13946 + " does not have the expected public key; ignoring"); 13947 return -1; 13948 } 13949 13950 return pkg.applicationInfo.uid; 13951 } 13952 } 13953 13954 @Override 13955 public void finishPackageInstall(int token, boolean didLaunch) { 13956 enforceSystemOrRoot("Only the system is allowed to finish installs"); 13957 13958 if (DEBUG_INSTALL) { 13959 Slog.v(TAG, "BM finishing package install for " + token); 13960 } 13961 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 13962 13963 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 13964 mHandler.sendMessage(msg); 13965 } 13966 13967 /** 13968 * Get the verification agent timeout. Used for both the APK verifier and the 13969 * intent filter verifier. 13970 * 13971 * @return verification timeout in milliseconds 13972 */ 13973 private long getVerificationTimeout() { 13974 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 13975 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 13976 DEFAULT_VERIFICATION_TIMEOUT); 13977 } 13978 13979 /** 13980 * Get the default verification agent response code. 13981 * 13982 * @return default verification response code 13983 */ 13984 private int getDefaultVerificationResponse(UserHandle user) { 13985 if (sUserManager.hasUserRestriction(UserManager.ENSURE_VERIFY_APPS, user.getIdentifier())) { 13986 return PackageManager.VERIFICATION_REJECT; 13987 } 13988 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13989 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 13990 DEFAULT_VERIFICATION_RESPONSE); 13991 } 13992 13993 /** 13994 * Check whether or not package verification has been enabled. 13995 * 13996 * @return true if verification should be performed 13997 */ 13998 private boolean isVerificationEnabled(int userId, int installFlags, int installerUid) { 13999 if (!DEFAULT_VERIFY_ENABLE) { 14000 return false; 14001 } 14002 14003 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 14004 14005 // Check if installing from ADB 14006 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 14007 // Do not run verification in a test harness environment 14008 if (ActivityManager.isRunningInTestHarness()) { 14009 return false; 14010 } 14011 if (ensureVerifyAppsEnabled) { 14012 return true; 14013 } 14014 // Check if the developer does not want package verification for ADB installs 14015 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 14016 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 14017 return false; 14018 } 14019 } else { 14020 // only when not installed from ADB, skip verification for instant apps when 14021 // the installer and verifier are the same. 14022 if ((installFlags & PackageManager.INSTALL_INSTANT_APP) != 0) { 14023 if (mInstantAppInstallerActivity != null 14024 && mInstantAppInstallerActivity.packageName.equals( 14025 mRequiredVerifierPackage)) { 14026 try { 14027 mContext.getSystemService(AppOpsManager.class) 14028 .checkPackage(installerUid, mRequiredVerifierPackage); 14029 if (DEBUG_VERIFY) { 14030 Slog.i(TAG, "disable verification for instant app"); 14031 } 14032 return false; 14033 } catch (SecurityException ignore) { } 14034 } 14035 } 14036 } 14037 14038 if (ensureVerifyAppsEnabled) { 14039 return true; 14040 } 14041 14042 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 14043 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 14044 } 14045 14046 @Override 14047 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 14048 throws RemoteException { 14049 mContext.enforceCallingOrSelfPermission( 14050 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 14051 "Only intentfilter verification agents can verify applications"); 14052 14053 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 14054 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 14055 Binder.getCallingUid(), verificationCode, failedDomains); 14056 msg.arg1 = id; 14057 msg.obj = response; 14058 mHandler.sendMessage(msg); 14059 } 14060 14061 @Override 14062 public int getIntentVerificationStatus(String packageName, int userId) { 14063 final int callingUid = Binder.getCallingUid(); 14064 if (UserHandle.getUserId(callingUid) != userId) { 14065 mContext.enforceCallingOrSelfPermission( 14066 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 14067 "getIntentVerificationStatus" + userId); 14068 } 14069 if (getInstantAppPackageName(callingUid) != null) { 14070 return INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 14071 } 14072 synchronized (mPackages) { 14073 final PackageSetting ps = mSettings.mPackages.get(packageName); 14074 if (ps == null 14075 || filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 14076 return INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 14077 } 14078 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 14079 } 14080 } 14081 14082 @Override 14083 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 14084 mContext.enforceCallingOrSelfPermission( 14085 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14086 14087 boolean result = false; 14088 synchronized (mPackages) { 14089 final PackageSetting ps = mSettings.mPackages.get(packageName); 14090 if (filterAppAccessLPr(ps, Binder.getCallingUid(), UserHandle.getCallingUserId())) { 14091 return false; 14092 } 14093 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 14094 } 14095 if (result) { 14096 scheduleWritePackageRestrictionsLocked(userId); 14097 } 14098 return result; 14099 } 14100 14101 @Override 14102 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 14103 String packageName) { 14104 final int callingUid = Binder.getCallingUid(); 14105 if (getInstantAppPackageName(callingUid) != null) { 14106 return ParceledListSlice.emptyList(); 14107 } 14108 synchronized (mPackages) { 14109 final PackageSetting ps = mSettings.mPackages.get(packageName); 14110 if (filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 14111 return ParceledListSlice.emptyList(); 14112 } 14113 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 14114 } 14115 } 14116 14117 @Override 14118 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 14119 if (TextUtils.isEmpty(packageName)) { 14120 return ParceledListSlice.emptyList(); 14121 } 14122 final int callingUid = Binder.getCallingUid(); 14123 final int callingUserId = UserHandle.getUserId(callingUid); 14124 synchronized (mPackages) { 14125 PackageParser.Package pkg = mPackages.get(packageName); 14126 if (pkg == null || pkg.activities == null) { 14127 return ParceledListSlice.emptyList(); 14128 } 14129 if (pkg.mExtras == null) { 14130 return ParceledListSlice.emptyList(); 14131 } 14132 final PackageSetting ps = (PackageSetting) pkg.mExtras; 14133 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 14134 return ParceledListSlice.emptyList(); 14135 } 14136 final int count = pkg.activities.size(); 14137 ArrayList<IntentFilter> result = new ArrayList<>(); 14138 for (int n=0; n<count; n++) { 14139 PackageParser.Activity activity = pkg.activities.get(n); 14140 if (activity.intents != null && activity.intents.size() > 0) { 14141 result.addAll(activity.intents); 14142 } 14143 } 14144 return new ParceledListSlice<>(result); 14145 } 14146 } 14147 14148 @Override 14149 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 14150 mContext.enforceCallingOrSelfPermission( 14151 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14152 if (UserHandle.getCallingUserId() != userId) { 14153 mContext.enforceCallingOrSelfPermission( 14154 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 14155 } 14156 14157 synchronized (mPackages) { 14158 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 14159 if (packageName != null) { 14160 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowser( 14161 packageName, userId); 14162 } 14163 return result; 14164 } 14165 } 14166 14167 @Override 14168 public String getDefaultBrowserPackageName(int userId) { 14169 if (UserHandle.getCallingUserId() != userId) { 14170 mContext.enforceCallingOrSelfPermission( 14171 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 14172 } 14173 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 14174 return null; 14175 } 14176 synchronized (mPackages) { 14177 return mSettings.getDefaultBrowserPackageNameLPw(userId); 14178 } 14179 } 14180 14181 /** 14182 * Get the "allow unknown sources" setting. 14183 * 14184 * @return the current "allow unknown sources" setting 14185 */ 14186 private int getUnknownSourcesSettings() { 14187 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 14188 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 14189 -1); 14190 } 14191 14192 @Override 14193 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 14194 final int callingUid = Binder.getCallingUid(); 14195 if (getInstantAppPackageName(callingUid) != null) { 14196 return; 14197 } 14198 // writer 14199 synchronized (mPackages) { 14200 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 14201 if (targetPackageSetting == null 14202 || filterAppAccessLPr( 14203 targetPackageSetting, callingUid, UserHandle.getUserId(callingUid))) { 14204 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 14205 } 14206 14207 PackageSetting installerPackageSetting; 14208 if (installerPackageName != null) { 14209 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 14210 if (installerPackageSetting == null) { 14211 throw new IllegalArgumentException("Unknown installer package: " 14212 + installerPackageName); 14213 } 14214 } else { 14215 installerPackageSetting = null; 14216 } 14217 14218 Signature[] callerSignature; 14219 Object obj = mSettings.getUserIdLPr(callingUid); 14220 if (obj != null) { 14221 if (obj instanceof SharedUserSetting) { 14222 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 14223 } else if (obj instanceof PackageSetting) { 14224 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 14225 } else { 14226 throw new SecurityException("Bad object " + obj + " for uid " + callingUid); 14227 } 14228 } else { 14229 throw new SecurityException("Unknown calling UID: " + callingUid); 14230 } 14231 14232 // Verify: can't set installerPackageName to a package that is 14233 // not signed with the same cert as the caller. 14234 if (installerPackageSetting != null) { 14235 if (compareSignatures(callerSignature, 14236 installerPackageSetting.signatures.mSignatures) 14237 != PackageManager.SIGNATURE_MATCH) { 14238 throw new SecurityException( 14239 "Caller does not have same cert as new installer package " 14240 + installerPackageName); 14241 } 14242 } 14243 14244 // Verify: if target already has an installer package, it must 14245 // be signed with the same cert as the caller. 14246 if (targetPackageSetting.installerPackageName != null) { 14247 PackageSetting setting = mSettings.mPackages.get( 14248 targetPackageSetting.installerPackageName); 14249 // If the currently set package isn't valid, then it's always 14250 // okay to change it. 14251 if (setting != null) { 14252 if (compareSignatures(callerSignature, 14253 setting.signatures.mSignatures) 14254 != PackageManager.SIGNATURE_MATCH) { 14255 throw new SecurityException( 14256 "Caller does not have same cert as old installer package " 14257 + targetPackageSetting.installerPackageName); 14258 } 14259 } 14260 } 14261 14262 // Okay! 14263 targetPackageSetting.installerPackageName = installerPackageName; 14264 if (installerPackageName != null) { 14265 mSettings.mInstallerPackages.add(installerPackageName); 14266 } 14267 scheduleWriteSettingsLocked(); 14268 } 14269 } 14270 14271 @Override 14272 public void setApplicationCategoryHint(String packageName, int categoryHint, 14273 String callerPackageName) { 14274 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 14275 throw new SecurityException("Instant applications don't have access to this method"); 14276 } 14277 mContext.getSystemService(AppOpsManager.class).checkPackage(Binder.getCallingUid(), 14278 callerPackageName); 14279 synchronized (mPackages) { 14280 PackageSetting ps = mSettings.mPackages.get(packageName); 14281 if (ps == null) { 14282 throw new IllegalArgumentException("Unknown target package " + packageName); 14283 } 14284 if (filterAppAccessLPr(ps, Binder.getCallingUid(), UserHandle.getCallingUserId())) { 14285 throw new IllegalArgumentException("Unknown target package " + packageName); 14286 } 14287 if (!Objects.equals(callerPackageName, ps.installerPackageName)) { 14288 throw new IllegalArgumentException("Calling package " + callerPackageName 14289 + " is not installer for " + packageName); 14290 } 14291 14292 if (ps.categoryHint != categoryHint) { 14293 ps.categoryHint = categoryHint; 14294 scheduleWriteSettingsLocked(); 14295 } 14296 } 14297 } 14298 14299 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 14300 // Queue up an async operation since the package installation may take a little while. 14301 mHandler.post(new Runnable() { 14302 public void run() { 14303 mHandler.removeCallbacks(this); 14304 // Result object to be returned 14305 PackageInstalledInfo res = new PackageInstalledInfo(); 14306 res.setReturnCode(currentStatus); 14307 res.uid = -1; 14308 res.pkg = null; 14309 res.removedInfo = null; 14310 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14311 args.doPreInstall(res.returnCode); 14312 synchronized (mInstallLock) { 14313 installPackageTracedLI(args, res); 14314 } 14315 args.doPostInstall(res.returnCode, res.uid); 14316 } 14317 14318 // A restore should be performed at this point if (a) the install 14319 // succeeded, (b) the operation is not an update, and (c) the new 14320 // package has not opted out of backup participation. 14321 final boolean update = res.removedInfo != null 14322 && res.removedInfo.removedPackage != null; 14323 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 14324 boolean doRestore = !update 14325 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 14326 14327 // Set up the post-install work request bookkeeping. This will be used 14328 // and cleaned up by the post-install event handling regardless of whether 14329 // there's a restore pass performed. Token values are >= 1. 14330 int token; 14331 if (mNextInstallToken < 0) mNextInstallToken = 1; 14332 token = mNextInstallToken++; 14333 14334 PostInstallData data = new PostInstallData(args, res); 14335 mRunningInstalls.put(token, data); 14336 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 14337 14338 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 14339 // Pass responsibility to the Backup Manager. It will perform a 14340 // restore if appropriate, then pass responsibility back to the 14341 // Package Manager to run the post-install observer callbacks 14342 // and broadcasts. 14343 IBackupManager bm = IBackupManager.Stub.asInterface( 14344 ServiceManager.getService(Context.BACKUP_SERVICE)); 14345 if (bm != null) { 14346 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 14347 + " to BM for possible restore"); 14348 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 14349 try { 14350 // TODO: http://b/22388012 14351 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 14352 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 14353 } else { 14354 doRestore = false; 14355 } 14356 } catch (RemoteException e) { 14357 // can't happen; the backup manager is local 14358 } catch (Exception e) { 14359 Slog.e(TAG, "Exception trying to enqueue restore", e); 14360 doRestore = false; 14361 } 14362 } else { 14363 Slog.e(TAG, "Backup Manager not found!"); 14364 doRestore = false; 14365 } 14366 } 14367 14368 if (!doRestore) { 14369 // No restore possible, or the Backup Manager was mysteriously not 14370 // available -- just fire the post-install work request directly. 14371 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 14372 14373 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 14374 14375 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 14376 mHandler.sendMessage(msg); 14377 } 14378 } 14379 }); 14380 } 14381 14382 /** 14383 * Callback from PackageSettings whenever an app is first transitioned out of the 14384 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 14385 * the app was "launched" for a restoreAtInstall operation. Therefore we check 14386 * here whether the app is the target of an ongoing install, and only send the 14387 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 14388 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 14389 * handling. 14390 */ 14391 void notifyFirstLaunch(final String packageName, final String installerPackage, 14392 final int userId) { 14393 // Serialize this with the rest of the install-process message chain. In the 14394 // restore-at-install case, this Runnable will necessarily run before the 14395 // POST_INSTALL message is processed, so the contents of mRunningInstalls 14396 // are coherent. In the non-restore case, the app has already completed install 14397 // and been launched through some other means, so it is not in a problematic 14398 // state for observers to see the FIRST_LAUNCH signal. 14399 mHandler.post(new Runnable() { 14400 @Override 14401 public void run() { 14402 for (int i = 0; i < mRunningInstalls.size(); i++) { 14403 final PostInstallData data = mRunningInstalls.valueAt(i); 14404 if (data.res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14405 continue; 14406 } 14407 if (packageName.equals(data.res.pkg.applicationInfo.packageName)) { 14408 // right package; but is it for the right user? 14409 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 14410 if (userId == data.res.newUsers[uIndex]) { 14411 if (DEBUG_BACKUP) { 14412 Slog.i(TAG, "Package " + packageName 14413 + " being restored so deferring FIRST_LAUNCH"); 14414 } 14415 return; 14416 } 14417 } 14418 } 14419 } 14420 // didn't find it, so not being restored 14421 if (DEBUG_BACKUP) { 14422 Slog.i(TAG, "Package " + packageName + " sending normal FIRST_LAUNCH"); 14423 } 14424 final boolean isInstantApp = isInstantApp(packageName, userId); 14425 final int[] userIds = isInstantApp ? EMPTY_INT_ARRAY : new int[] { userId }; 14426 final int[] instantUserIds = isInstantApp ? new int[] { userId } : EMPTY_INT_ARRAY; 14427 sendFirstLaunchBroadcast(packageName, installerPackage, userIds, instantUserIds); 14428 } 14429 }); 14430 } 14431 14432 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, 14433 int[] userIds, int[] instantUserIds) { 14434 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 14435 installerPkg, null, userIds, instantUserIds); 14436 } 14437 14438 private abstract class HandlerParams { 14439 private static final int MAX_RETRIES = 4; 14440 14441 /** 14442 * Number of times startCopy() has been attempted and had a non-fatal 14443 * error. 14444 */ 14445 private int mRetries = 0; 14446 14447 /** User handle for the user requesting the information or installation. */ 14448 private final UserHandle mUser; 14449 String traceMethod; 14450 int traceCookie; 14451 14452 HandlerParams(UserHandle user) { 14453 mUser = user; 14454 } 14455 14456 UserHandle getUser() { 14457 return mUser; 14458 } 14459 14460 HandlerParams setTraceMethod(String traceMethod) { 14461 this.traceMethod = traceMethod; 14462 return this; 14463 } 14464 14465 HandlerParams setTraceCookie(int traceCookie) { 14466 this.traceCookie = traceCookie; 14467 return this; 14468 } 14469 14470 final boolean startCopy() { 14471 boolean res; 14472 try { 14473 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 14474 14475 if (++mRetries > MAX_RETRIES) { 14476 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 14477 mHandler.sendEmptyMessage(MCS_GIVE_UP); 14478 handleServiceError(); 14479 return false; 14480 } else { 14481 handleStartCopy(); 14482 res = true; 14483 } 14484 } catch (RemoteException e) { 14485 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 14486 mHandler.sendEmptyMessage(MCS_RECONNECT); 14487 res = false; 14488 } 14489 handleReturnCode(); 14490 return res; 14491 } 14492 14493 final void serviceError() { 14494 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 14495 handleServiceError(); 14496 handleReturnCode(); 14497 } 14498 14499 abstract void handleStartCopy() throws RemoteException; 14500 abstract void handleServiceError(); 14501 abstract void handleReturnCode(); 14502 } 14503 14504 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 14505 for (File path : paths) { 14506 try { 14507 mcs.clearDirectory(path.getAbsolutePath()); 14508 } catch (RemoteException e) { 14509 } 14510 } 14511 } 14512 14513 static class OriginInfo { 14514 /** 14515 * Location where install is coming from, before it has been 14516 * copied/renamed into place. This could be a single monolithic APK 14517 * file, or a cluster directory. This location may be untrusted. 14518 */ 14519 final File file; 14520 14521 /** 14522 * Flag indicating that {@link #file} or {@link #cid} has already been 14523 * staged, meaning downstream users don't need to defensively copy the 14524 * contents. 14525 */ 14526 final boolean staged; 14527 14528 /** 14529 * Flag indicating that {@link #file} or {@link #cid} is an already 14530 * installed app that is being moved. 14531 */ 14532 final boolean existing; 14533 14534 final String resolvedPath; 14535 final File resolvedFile; 14536 14537 static OriginInfo fromNothing() { 14538 return new OriginInfo(null, false, false); 14539 } 14540 14541 static OriginInfo fromUntrustedFile(File file) { 14542 return new OriginInfo(file, false, false); 14543 } 14544 14545 static OriginInfo fromExistingFile(File file) { 14546 return new OriginInfo(file, false, true); 14547 } 14548 14549 static OriginInfo fromStagedFile(File file) { 14550 return new OriginInfo(file, true, false); 14551 } 14552 14553 private OriginInfo(File file, boolean staged, boolean existing) { 14554 this.file = file; 14555 this.staged = staged; 14556 this.existing = existing; 14557 14558 if (file != null) { 14559 resolvedPath = file.getAbsolutePath(); 14560 resolvedFile = file; 14561 } else { 14562 resolvedPath = null; 14563 resolvedFile = null; 14564 } 14565 } 14566 } 14567 14568 static class MoveInfo { 14569 final int moveId; 14570 final String fromUuid; 14571 final String toUuid; 14572 final String packageName; 14573 final String dataAppName; 14574 final int appId; 14575 final String seinfo; 14576 final int targetSdkVersion; 14577 14578 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 14579 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 14580 this.moveId = moveId; 14581 this.fromUuid = fromUuid; 14582 this.toUuid = toUuid; 14583 this.packageName = packageName; 14584 this.dataAppName = dataAppName; 14585 this.appId = appId; 14586 this.seinfo = seinfo; 14587 this.targetSdkVersion = targetSdkVersion; 14588 } 14589 } 14590 14591 static class VerificationInfo { 14592 /** A constant used to indicate that a uid value is not present. */ 14593 public static final int NO_UID = -1; 14594 14595 /** URI referencing where the package was downloaded from. */ 14596 final Uri originatingUri; 14597 14598 /** HTTP referrer URI associated with the originatingURI. */ 14599 final Uri referrer; 14600 14601 /** UID of the application that the install request originated from. */ 14602 final int originatingUid; 14603 14604 /** UID of application requesting the install */ 14605 final int installerUid; 14606 14607 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 14608 this.originatingUri = originatingUri; 14609 this.referrer = referrer; 14610 this.originatingUid = originatingUid; 14611 this.installerUid = installerUid; 14612 } 14613 } 14614 14615 class InstallParams extends HandlerParams { 14616 final OriginInfo origin; 14617 final MoveInfo move; 14618 final IPackageInstallObserver2 observer; 14619 int installFlags; 14620 final String installerPackageName; 14621 final String volumeUuid; 14622 private InstallArgs mArgs; 14623 private int mRet; 14624 final String packageAbiOverride; 14625 final String[] grantedRuntimePermissions; 14626 final VerificationInfo verificationInfo; 14627 final PackageParser.SigningDetails signingDetails; 14628 final int installReason; 14629 14630 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 14631 int installFlags, String installerPackageName, String volumeUuid, 14632 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 14633 String[] grantedPermissions, PackageParser.SigningDetails signingDetails, int installReason) { 14634 super(user); 14635 this.origin = origin; 14636 this.move = move; 14637 this.observer = observer; 14638 this.installFlags = installFlags; 14639 this.installerPackageName = installerPackageName; 14640 this.volumeUuid = volumeUuid; 14641 this.verificationInfo = verificationInfo; 14642 this.packageAbiOverride = packageAbiOverride; 14643 this.grantedRuntimePermissions = grantedPermissions; 14644 this.signingDetails = signingDetails; 14645 this.installReason = installReason; 14646 } 14647 14648 @Override 14649 public String toString() { 14650 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 14651 + " file=" + origin.file + "}"; 14652 } 14653 14654 private int installLocationPolicy(PackageInfoLite pkgLite) { 14655 String packageName = pkgLite.packageName; 14656 int installLocation = pkgLite.installLocation; 14657 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14658 // reader 14659 synchronized (mPackages) { 14660 // Currently installed package which the new package is attempting to replace or 14661 // null if no such package is installed. 14662 PackageParser.Package installedPkg = mPackages.get(packageName); 14663 // Package which currently owns the data which the new package will own if installed. 14664 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 14665 // will be null whereas dataOwnerPkg will contain information about the package 14666 // which was uninstalled while keeping its data. 14667 PackageParser.Package dataOwnerPkg = installedPkg; 14668 if (dataOwnerPkg == null) { 14669 PackageSetting ps = mSettings.mPackages.get(packageName); 14670 if (ps != null) { 14671 dataOwnerPkg = ps.pkg; 14672 } 14673 } 14674 14675 if (dataOwnerPkg != null) { 14676 // If installed, the package will get access to data left on the device by its 14677 // predecessor. As a security measure, this is permited only if this is not a 14678 // version downgrade or if the predecessor package is marked as debuggable and 14679 // a downgrade is explicitly requested. 14680 // 14681 // On debuggable platform builds, downgrades are permitted even for 14682 // non-debuggable packages to make testing easier. Debuggable platform builds do 14683 // not offer security guarantees and thus it's OK to disable some security 14684 // mechanisms to make debugging/testing easier on those builds. However, even on 14685 // debuggable builds downgrades of packages are permitted only if requested via 14686 // installFlags. This is because we aim to keep the behavior of debuggable 14687 // platform builds as close as possible to the behavior of non-debuggable 14688 // platform builds. 14689 final boolean downgradeRequested = 14690 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 14691 final boolean packageDebuggable = 14692 (dataOwnerPkg.applicationInfo.flags 14693 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 14694 final boolean downgradePermitted = 14695 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 14696 if (!downgradePermitted) { 14697 try { 14698 checkDowngrade(dataOwnerPkg, pkgLite); 14699 } catch (PackageManagerException e) { 14700 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 14701 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 14702 } 14703 } 14704 } 14705 14706 if (installedPkg != null) { 14707 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14708 // Check for updated system application. 14709 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 14710 if (onSd) { 14711 Slog.w(TAG, "Cannot install update to system app on sdcard"); 14712 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 14713 } 14714 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14715 } else { 14716 if (onSd) { 14717 // Install flag overrides everything. 14718 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14719 } 14720 // If current upgrade specifies particular preference 14721 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 14722 // Application explicitly specified internal. 14723 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14724 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 14725 // App explictly prefers external. Let policy decide 14726 } else { 14727 // Prefer previous location 14728 if (isExternal(installedPkg)) { 14729 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14730 } 14731 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14732 } 14733 } 14734 } else { 14735 // Invalid install. Return error code 14736 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 14737 } 14738 } 14739 } 14740 // All the special cases have been taken care of. 14741 // Return result based on recommended install location. 14742 if (onSd) { 14743 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14744 } 14745 return pkgLite.recommendedInstallLocation; 14746 } 14747 14748 /* 14749 * Invoke remote method to get package information and install 14750 * location values. Override install location based on default 14751 * policy if needed and then create install arguments based 14752 * on the install location. 14753 */ 14754 public void handleStartCopy() throws RemoteException { 14755 int ret = PackageManager.INSTALL_SUCCEEDED; 14756 14757 // If we're already staged, we've firmly committed to an install location 14758 if (origin.staged) { 14759 if (origin.file != null) { 14760 installFlags |= PackageManager.INSTALL_INTERNAL; 14761 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 14762 } else { 14763 throw new IllegalStateException("Invalid stage location"); 14764 } 14765 } 14766 14767 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14768 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 14769 final boolean ephemeral = (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 14770 PackageInfoLite pkgLite = null; 14771 14772 if (onInt && onSd) { 14773 // Check if both bits are set. 14774 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 14775 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14776 } else if (onSd && ephemeral) { 14777 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 14778 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14779 } else { 14780 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 14781 packageAbiOverride); 14782 14783 if (DEBUG_EPHEMERAL && ephemeral) { 14784 Slog.v(TAG, "pkgLite for install: " + pkgLite); 14785 } 14786 14787 /* 14788 * If we have too little free space, try to free cache 14789 * before giving up. 14790 */ 14791 if (!origin.staged && pkgLite.recommendedInstallLocation 14792 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 14793 // TODO: focus freeing disk space on the target device 14794 final StorageManager storage = StorageManager.from(mContext); 14795 final long lowThreshold = storage.getStorageLowBytes( 14796 Environment.getDataDirectory()); 14797 14798 final long sizeBytes = mContainerService.calculateInstalledSize( 14799 origin.resolvedPath, packageAbiOverride); 14800 14801 try { 14802 mInstaller.freeCache(null, sizeBytes + lowThreshold, 0, 0); 14803 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 14804 installFlags, packageAbiOverride); 14805 } catch (InstallerException e) { 14806 Slog.w(TAG, "Failed to free cache", e); 14807 } 14808 14809 /* 14810 * The cache free must have deleted the file we 14811 * downloaded to install. 14812 * 14813 * TODO: fix the "freeCache" call to not delete 14814 * the file we care about. 14815 */ 14816 if (pkgLite.recommendedInstallLocation 14817 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 14818 pkgLite.recommendedInstallLocation 14819 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 14820 } 14821 } 14822 } 14823 14824 if (ret == PackageManager.INSTALL_SUCCEEDED) { 14825 int loc = pkgLite.recommendedInstallLocation; 14826 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 14827 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14828 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 14829 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 14830 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 14831 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 14832 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 14833 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 14834 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 14835 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 14836 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 14837 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 14838 } else { 14839 // Override with defaults if needed. 14840 loc = installLocationPolicy(pkgLite); 14841 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 14842 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 14843 } else if (!onSd && !onInt) { 14844 // Override install location with flags 14845 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 14846 // Set the flag to install on external media. 14847 installFlags |= PackageManager.INSTALL_EXTERNAL; 14848 installFlags &= ~PackageManager.INSTALL_INTERNAL; 14849 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 14850 if (DEBUG_EPHEMERAL) { 14851 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 14852 } 14853 installFlags |= PackageManager.INSTALL_INSTANT_APP; 14854 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 14855 |PackageManager.INSTALL_INTERNAL); 14856 } else { 14857 // Make sure the flag for installing on external 14858 // media is unset 14859 installFlags |= PackageManager.INSTALL_INTERNAL; 14860 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 14861 } 14862 } 14863 } 14864 } 14865 14866 final InstallArgs args = createInstallArgs(this); 14867 mArgs = args; 14868 14869 if (ret == PackageManager.INSTALL_SUCCEEDED) { 14870 // TODO: http://b/22976637 14871 // Apps installed for "all" users use the device owner to verify the app 14872 UserHandle verifierUser = getUser(); 14873 if (verifierUser == UserHandle.ALL) { 14874 verifierUser = UserHandle.SYSTEM; 14875 } 14876 14877 /* 14878 * Determine if we have any installed package verifiers. If we 14879 * do, then we'll defer to them to verify the packages. 14880 */ 14881 final int requiredUid = mRequiredVerifierPackage == null ? -1 14882 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 14883 verifierUser.getIdentifier()); 14884 final int installerUid = 14885 verificationInfo == null ? -1 : verificationInfo.installerUid; 14886 if (!origin.existing && requiredUid != -1 14887 && isVerificationEnabled( 14888 verifierUser.getIdentifier(), installFlags, installerUid)) { 14889 final Intent verification = new Intent( 14890 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 14891 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 14892 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 14893 PACKAGE_MIME_TYPE); 14894 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 14895 14896 // Query all live verifiers based on current user state 14897 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 14898 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier(), 14899 false /*allowDynamicSplits*/); 14900 14901 if (DEBUG_VERIFY) { 14902 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 14903 + verification.toString() + " with " + pkgLite.verifiers.length 14904 + " optional verifiers"); 14905 } 14906 14907 final int verificationId = mPendingVerificationToken++; 14908 14909 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 14910 14911 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 14912 installerPackageName); 14913 14914 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 14915 installFlags); 14916 14917 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 14918 pkgLite.packageName); 14919 14920 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 14921 pkgLite.versionCode); 14922 14923 verification.putExtra(PackageManager.EXTRA_VERIFICATION_LONG_VERSION_CODE, 14924 pkgLite.getLongVersionCode()); 14925 14926 if (verificationInfo != null) { 14927 if (verificationInfo.originatingUri != null) { 14928 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 14929 verificationInfo.originatingUri); 14930 } 14931 if (verificationInfo.referrer != null) { 14932 verification.putExtra(Intent.EXTRA_REFERRER, 14933 verificationInfo.referrer); 14934 } 14935 if (verificationInfo.originatingUid >= 0) { 14936 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 14937 verificationInfo.originatingUid); 14938 } 14939 if (verificationInfo.installerUid >= 0) { 14940 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 14941 verificationInfo.installerUid); 14942 } 14943 } 14944 14945 final PackageVerificationState verificationState = new PackageVerificationState( 14946 requiredUid, args); 14947 14948 mPendingVerification.append(verificationId, verificationState); 14949 14950 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 14951 receivers, verificationState); 14952 14953 DeviceIdleController.LocalService idleController = getDeviceIdleController(); 14954 final long idleDuration = getVerificationTimeout(); 14955 14956 /* 14957 * If any sufficient verifiers were listed in the package 14958 * manifest, attempt to ask them. 14959 */ 14960 if (sufficientVerifiers != null) { 14961 final int N = sufficientVerifiers.size(); 14962 if (N == 0) { 14963 Slog.i(TAG, "Additional verifiers required, but none installed."); 14964 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 14965 } else { 14966 for (int i = 0; i < N; i++) { 14967 final ComponentName verifierComponent = sufficientVerifiers.get(i); 14968 idleController.addPowerSaveTempWhitelistApp(Process.myUid(), 14969 verifierComponent.getPackageName(), idleDuration, 14970 verifierUser.getIdentifier(), false, "package verifier"); 14971 14972 final Intent sufficientIntent = new Intent(verification); 14973 sufficientIntent.setComponent(verifierComponent); 14974 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 14975 } 14976 } 14977 } 14978 14979 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 14980 mRequiredVerifierPackage, receivers); 14981 if (ret == PackageManager.INSTALL_SUCCEEDED 14982 && mRequiredVerifierPackage != null) { 14983 Trace.asyncTraceBegin( 14984 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 14985 /* 14986 * Send the intent to the required verification agent, 14987 * but only start the verification timeout after the 14988 * target BroadcastReceivers have run. 14989 */ 14990 verification.setComponent(requiredVerifierComponent); 14991 idleController.addPowerSaveTempWhitelistApp(Process.myUid(), 14992 mRequiredVerifierPackage, idleDuration, 14993 verifierUser.getIdentifier(), false, "package verifier"); 14994 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 14995 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 14996 new BroadcastReceiver() { 14997 @Override 14998 public void onReceive(Context context, Intent intent) { 14999 final Message msg = mHandler 15000 .obtainMessage(CHECK_PENDING_VERIFICATION); 15001 msg.arg1 = verificationId; 15002 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 15003 } 15004 }, null, 0, null, null); 15005 15006 /* 15007 * We don't want the copy to proceed until verification 15008 * succeeds, so null out this field. 15009 */ 15010 mArgs = null; 15011 } 15012 } else { 15013 /* 15014 * No package verification is enabled, so immediately start 15015 * the remote call to initiate copy using temporary file. 15016 */ 15017 ret = args.copyApk(mContainerService, true); 15018 } 15019 } 15020 15021 mRet = ret; 15022 } 15023 15024 @Override 15025 void handleReturnCode() { 15026 // If mArgs is null, then MCS couldn't be reached. When it 15027 // reconnects, it will try again to install. At that point, this 15028 // will succeed. 15029 if (mArgs != null) { 15030 processPendingInstall(mArgs, mRet); 15031 } 15032 } 15033 15034 @Override 15035 void handleServiceError() { 15036 mArgs = createInstallArgs(this); 15037 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 15038 } 15039 } 15040 15041 private InstallArgs createInstallArgs(InstallParams params) { 15042 if (params.move != null) { 15043 return new MoveInstallArgs(params); 15044 } else { 15045 return new FileInstallArgs(params); 15046 } 15047 } 15048 15049 /** 15050 * Create args that describe an existing installed package. Typically used 15051 * when cleaning up old installs, or used as a move source. 15052 */ 15053 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 15054 String resourcePath, String[] instructionSets) { 15055 return new FileInstallArgs(codePath, resourcePath, instructionSets); 15056 } 15057 15058 static abstract class InstallArgs { 15059 /** @see InstallParams#origin */ 15060 final OriginInfo origin; 15061 /** @see InstallParams#move */ 15062 final MoveInfo move; 15063 15064 final IPackageInstallObserver2 observer; 15065 // Always refers to PackageManager flags only 15066 final int installFlags; 15067 final String installerPackageName; 15068 final String volumeUuid; 15069 final UserHandle user; 15070 final String abiOverride; 15071 final String[] installGrantPermissions; 15072 /** If non-null, drop an async trace when the install completes */ 15073 final String traceMethod; 15074 final int traceCookie; 15075 final PackageParser.SigningDetails signingDetails; 15076 final int installReason; 15077 15078 // The list of instruction sets supported by this app. This is currently 15079 // only used during the rmdex() phase to clean up resources. We can get rid of this 15080 // if we move dex files under the common app path. 15081 /* nullable */ String[] instructionSets; 15082 15083 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 15084 int installFlags, String installerPackageName, String volumeUuid, 15085 UserHandle user, String[] instructionSets, 15086 String abiOverride, String[] installGrantPermissions, 15087 String traceMethod, int traceCookie, PackageParser.SigningDetails signingDetails, 15088 int installReason) { 15089 this.origin = origin; 15090 this.move = move; 15091 this.installFlags = installFlags; 15092 this.observer = observer; 15093 this.installerPackageName = installerPackageName; 15094 this.volumeUuid = volumeUuid; 15095 this.user = user; 15096 this.instructionSets = instructionSets; 15097 this.abiOverride = abiOverride; 15098 this.installGrantPermissions = installGrantPermissions; 15099 this.traceMethod = traceMethod; 15100 this.traceCookie = traceCookie; 15101 this.signingDetails = signingDetails; 15102 this.installReason = installReason; 15103 } 15104 15105 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 15106 abstract int doPreInstall(int status); 15107 15108 /** 15109 * Rename package into final resting place. All paths on the given 15110 * scanned package should be updated to reflect the rename. 15111 */ 15112 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 15113 abstract int doPostInstall(int status, int uid); 15114 15115 /** @see PackageSettingBase#codePathString */ 15116 abstract String getCodePath(); 15117 /** @see PackageSettingBase#resourcePathString */ 15118 abstract String getResourcePath(); 15119 15120 // Need installer lock especially for dex file removal. 15121 abstract void cleanUpResourcesLI(); 15122 abstract boolean doPostDeleteLI(boolean delete); 15123 15124 /** 15125 * Called before the source arguments are copied. This is used mostly 15126 * for MoveParams when it needs to read the source file to put it in the 15127 * destination. 15128 */ 15129 int doPreCopy() { 15130 return PackageManager.INSTALL_SUCCEEDED; 15131 } 15132 15133 /** 15134 * Called after the source arguments are copied. This is used mostly for 15135 * MoveParams when it needs to read the source file to put it in the 15136 * destination. 15137 */ 15138 int doPostCopy(int uid) { 15139 return PackageManager.INSTALL_SUCCEEDED; 15140 } 15141 15142 protected boolean isFwdLocked() { 15143 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 15144 } 15145 15146 protected boolean isExternalAsec() { 15147 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 15148 } 15149 15150 protected boolean isEphemeral() { 15151 return (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 15152 } 15153 15154 UserHandle getUser() { 15155 return user; 15156 } 15157 } 15158 15159 void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 15160 if (!allCodePaths.isEmpty()) { 15161 if (instructionSets == null) { 15162 throw new IllegalStateException("instructionSet == null"); 15163 } 15164 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 15165 for (String codePath : allCodePaths) { 15166 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 15167 try { 15168 mInstaller.rmdex(codePath, dexCodeInstructionSet); 15169 } catch (InstallerException ignored) { 15170 } 15171 } 15172 } 15173 } 15174 } 15175 15176 /** 15177 * Logic to handle installation of non-ASEC applications, including copying 15178 * and renaming logic. 15179 */ 15180 class FileInstallArgs extends InstallArgs { 15181 private File codeFile; 15182 private File resourceFile; 15183 15184 // Example topology: 15185 // /data/app/com.example/base.apk 15186 // /data/app/com.example/split_foo.apk 15187 // /data/app/com.example/lib/arm/libfoo.so 15188 // /data/app/com.example/lib/arm64/libfoo.so 15189 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 15190 15191 /** New install */ 15192 FileInstallArgs(InstallParams params) { 15193 super(params.origin, params.move, params.observer, params.installFlags, 15194 params.installerPackageName, params.volumeUuid, 15195 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 15196 params.grantedRuntimePermissions, 15197 params.traceMethod, params.traceCookie, params.signingDetails, 15198 params.installReason); 15199 if (isFwdLocked()) { 15200 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 15201 } 15202 } 15203 15204 /** Existing install */ 15205 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 15206 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 15207 null, null, null, 0, PackageParser.SigningDetails.UNKNOWN, 15208 PackageManager.INSTALL_REASON_UNKNOWN); 15209 this.codeFile = (codePath != null) ? new File(codePath) : null; 15210 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 15211 } 15212 15213 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 15214 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 15215 try { 15216 return doCopyApk(imcs, temp); 15217 } finally { 15218 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15219 } 15220 } 15221 15222 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 15223 if (origin.staged) { 15224 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 15225 codeFile = origin.file; 15226 resourceFile = origin.file; 15227 return PackageManager.INSTALL_SUCCEEDED; 15228 } 15229 15230 try { 15231 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 15232 final File tempDir = 15233 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 15234 codeFile = tempDir; 15235 resourceFile = tempDir; 15236 } catch (IOException e) { 15237 Slog.w(TAG, "Failed to create copy file: " + e); 15238 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 15239 } 15240 15241 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 15242 @Override 15243 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 15244 if (!FileUtils.isValidExtFilename(name)) { 15245 throw new IllegalArgumentException("Invalid filename: " + name); 15246 } 15247 try { 15248 final File file = new File(codeFile, name); 15249 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 15250 O_RDWR | O_CREAT, 0644); 15251 Os.chmod(file.getAbsolutePath(), 0644); 15252 return new ParcelFileDescriptor(fd); 15253 } catch (ErrnoException e) { 15254 throw new RemoteException("Failed to open: " + e.getMessage()); 15255 } 15256 } 15257 }; 15258 15259 int ret = PackageManager.INSTALL_SUCCEEDED; 15260 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 15261 if (ret != PackageManager.INSTALL_SUCCEEDED) { 15262 Slog.e(TAG, "Failed to copy package"); 15263 return ret; 15264 } 15265 15266 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 15267 NativeLibraryHelper.Handle handle = null; 15268 try { 15269 handle = NativeLibraryHelper.Handle.create(codeFile); 15270 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 15271 abiOverride); 15272 } catch (IOException e) { 15273 Slog.e(TAG, "Copying native libraries failed", e); 15274 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 15275 } finally { 15276 IoUtils.closeQuietly(handle); 15277 } 15278 15279 return ret; 15280 } 15281 15282 int doPreInstall(int status) { 15283 if (status != PackageManager.INSTALL_SUCCEEDED) { 15284 cleanUp(); 15285 } 15286 return status; 15287 } 15288 15289 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 15290 if (status != PackageManager.INSTALL_SUCCEEDED) { 15291 cleanUp(); 15292 return false; 15293 } 15294 15295 final File targetDir = codeFile.getParentFile(); 15296 final File beforeCodeFile = codeFile; 15297 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 15298 15299 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 15300 try { 15301 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 15302 } catch (ErrnoException e) { 15303 Slog.w(TAG, "Failed to rename", e); 15304 return false; 15305 } 15306 15307 if (!SELinux.restoreconRecursive(afterCodeFile)) { 15308 Slog.w(TAG, "Failed to restorecon"); 15309 return false; 15310 } 15311 15312 // Reflect the rename internally 15313 codeFile = afterCodeFile; 15314 resourceFile = afterCodeFile; 15315 15316 // Reflect the rename in scanned details 15317 try { 15318 pkg.setCodePath(afterCodeFile.getCanonicalPath()); 15319 } catch (IOException e) { 15320 Slog.e(TAG, "Failed to get path: " + afterCodeFile, e); 15321 return false; 15322 } 15323 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 15324 afterCodeFile, pkg.baseCodePath)); 15325 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 15326 afterCodeFile, pkg.splitCodePaths)); 15327 15328 // Reflect the rename in app info 15329 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15330 pkg.setApplicationInfoCodePath(pkg.codePath); 15331 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15332 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15333 pkg.setApplicationInfoResourcePath(pkg.codePath); 15334 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15335 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15336 15337 return true; 15338 } 15339 15340 int doPostInstall(int status, int uid) { 15341 if (status != PackageManager.INSTALL_SUCCEEDED) { 15342 cleanUp(); 15343 } 15344 return status; 15345 } 15346 15347 @Override 15348 String getCodePath() { 15349 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 15350 } 15351 15352 @Override 15353 String getResourcePath() { 15354 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 15355 } 15356 15357 private boolean cleanUp() { 15358 if (codeFile == null || !codeFile.exists()) { 15359 return false; 15360 } 15361 15362 removeCodePathLI(codeFile); 15363 15364 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 15365 resourceFile.delete(); 15366 } 15367 15368 return true; 15369 } 15370 15371 void cleanUpResourcesLI() { 15372 // Try enumerating all code paths before deleting 15373 List<String> allCodePaths = Collections.EMPTY_LIST; 15374 if (codeFile != null && codeFile.exists()) { 15375 try { 15376 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 15377 allCodePaths = pkg.getAllCodePaths(); 15378 } catch (PackageParserException e) { 15379 // Ignored; we tried our best 15380 } 15381 } 15382 15383 cleanUp(); 15384 removeDexFiles(allCodePaths, instructionSets); 15385 } 15386 15387 boolean doPostDeleteLI(boolean delete) { 15388 // XXX err, shouldn't we respect the delete flag? 15389 cleanUpResourcesLI(); 15390 return true; 15391 } 15392 } 15393 15394 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 15395 PackageManagerException { 15396 if (copyRet < 0) { 15397 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 15398 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 15399 throw new PackageManagerException(copyRet, message); 15400 } 15401 } 15402 } 15403 15404 /** 15405 * Extract the StorageManagerService "container ID" from the full code path of an 15406 * .apk. 15407 */ 15408 static String cidFromCodePath(String fullCodePath) { 15409 int eidx = fullCodePath.lastIndexOf("/"); 15410 String subStr1 = fullCodePath.substring(0, eidx); 15411 int sidx = subStr1.lastIndexOf("/"); 15412 return subStr1.substring(sidx+1, eidx); 15413 } 15414 15415 /** 15416 * Logic to handle movement of existing installed applications. 15417 */ 15418 class MoveInstallArgs extends InstallArgs { 15419 private File codeFile; 15420 private File resourceFile; 15421 15422 /** New install */ 15423 MoveInstallArgs(InstallParams params) { 15424 super(params.origin, params.move, params.observer, params.installFlags, 15425 params.installerPackageName, params.volumeUuid, 15426 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 15427 params.grantedRuntimePermissions, 15428 params.traceMethod, params.traceCookie, params.signingDetails, 15429 params.installReason); 15430 } 15431 15432 int copyApk(IMediaContainerService imcs, boolean temp) { 15433 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 15434 + move.fromUuid + " to " + move.toUuid); 15435 synchronized (mInstaller) { 15436 try { 15437 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 15438 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 15439 } catch (InstallerException e) { 15440 Slog.w(TAG, "Failed to move app", e); 15441 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 15442 } 15443 } 15444 15445 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 15446 resourceFile = codeFile; 15447 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 15448 15449 return PackageManager.INSTALL_SUCCEEDED; 15450 } 15451 15452 int doPreInstall(int status) { 15453 if (status != PackageManager.INSTALL_SUCCEEDED) { 15454 cleanUp(move.toUuid); 15455 } 15456 return status; 15457 } 15458 15459 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 15460 if (status != PackageManager.INSTALL_SUCCEEDED) { 15461 cleanUp(move.toUuid); 15462 return false; 15463 } 15464 15465 // Reflect the move in app info 15466 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15467 pkg.setApplicationInfoCodePath(pkg.codePath); 15468 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15469 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15470 pkg.setApplicationInfoResourcePath(pkg.codePath); 15471 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15472 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15473 15474 return true; 15475 } 15476 15477 int doPostInstall(int status, int uid) { 15478 if (status == PackageManager.INSTALL_SUCCEEDED) { 15479 cleanUp(move.fromUuid); 15480 } else { 15481 cleanUp(move.toUuid); 15482 } 15483 return status; 15484 } 15485 15486 @Override 15487 String getCodePath() { 15488 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 15489 } 15490 15491 @Override 15492 String getResourcePath() { 15493 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 15494 } 15495 15496 private boolean cleanUp(String volumeUuid) { 15497 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 15498 move.dataAppName); 15499 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 15500 final int[] userIds = sUserManager.getUserIds(); 15501 synchronized (mInstallLock) { 15502 // Clean up both app data and code 15503 // All package moves are frozen until finished 15504 for (int userId : userIds) { 15505 try { 15506 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 15507 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 15508 } catch (InstallerException e) { 15509 Slog.w(TAG, String.valueOf(e)); 15510 } 15511 } 15512 removeCodePathLI(codeFile); 15513 } 15514 return true; 15515 } 15516 15517 void cleanUpResourcesLI() { 15518 throw new UnsupportedOperationException(); 15519 } 15520 15521 boolean doPostDeleteLI(boolean delete) { 15522 throw new UnsupportedOperationException(); 15523 } 15524 } 15525 15526 static String getAsecPackageName(String packageCid) { 15527 int idx = packageCid.lastIndexOf("-"); 15528 if (idx == -1) { 15529 return packageCid; 15530 } 15531 return packageCid.substring(0, idx); 15532 } 15533 15534 // Utility method used to create code paths based on package name and available index. 15535 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 15536 String idxStr = ""; 15537 int idx = 1; 15538 // Fall back to default value of idx=1 if prefix is not 15539 // part of oldCodePath 15540 if (oldCodePath != null) { 15541 String subStr = oldCodePath; 15542 // Drop the suffix right away 15543 if (suffix != null && subStr.endsWith(suffix)) { 15544 subStr = subStr.substring(0, subStr.length() - suffix.length()); 15545 } 15546 // If oldCodePath already contains prefix find out the 15547 // ending index to either increment or decrement. 15548 int sidx = subStr.lastIndexOf(prefix); 15549 if (sidx != -1) { 15550 subStr = subStr.substring(sidx + prefix.length()); 15551 if (subStr != null) { 15552 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 15553 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 15554 } 15555 try { 15556 idx = Integer.parseInt(subStr); 15557 if (idx <= 1) { 15558 idx++; 15559 } else { 15560 idx--; 15561 } 15562 } catch(NumberFormatException e) { 15563 } 15564 } 15565 } 15566 } 15567 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 15568 return prefix + idxStr; 15569 } 15570 15571 private File getNextCodePath(File targetDir, String packageName) { 15572 File result; 15573 SecureRandom random = new SecureRandom(); 15574 byte[] bytes = new byte[16]; 15575 do { 15576 random.nextBytes(bytes); 15577 String suffix = Base64.encodeToString(bytes, Base64.URL_SAFE | Base64.NO_WRAP); 15578 result = new File(targetDir, packageName + "-" + suffix); 15579 } while (result.exists()); 15580 return result; 15581 } 15582 15583 // Utility method that returns the relative package path with respect 15584 // to the installation directory. Like say for /data/data/com.test-1.apk 15585 // string com.test-1 is returned. 15586 static String deriveCodePathName(String codePath) { 15587 if (codePath == null) { 15588 return null; 15589 } 15590 final File codeFile = new File(codePath); 15591 final String name = codeFile.getName(); 15592 if (codeFile.isDirectory()) { 15593 return name; 15594 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 15595 final int lastDot = name.lastIndexOf('.'); 15596 return name.substring(0, lastDot); 15597 } else { 15598 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 15599 return null; 15600 } 15601 } 15602 15603 static class PackageInstalledInfo { 15604 String name; 15605 int uid; 15606 // The set of users that originally had this package installed. 15607 int[] origUsers; 15608 // The set of users that now have this package installed. 15609 int[] newUsers; 15610 PackageParser.Package pkg; 15611 int returnCode; 15612 String returnMsg; 15613 String installerPackageName; 15614 PackageRemovedInfo removedInfo; 15615 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 15616 15617 public void setError(int code, String msg) { 15618 setReturnCode(code); 15619 setReturnMessage(msg); 15620 Slog.w(TAG, msg); 15621 } 15622 15623 public void setError(String msg, PackageParserException e) { 15624 setReturnCode(e.error); 15625 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 15626 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 15627 for (int i = 0; i < childCount; i++) { 15628 addedChildPackages.valueAt(i).setError(msg, e); 15629 } 15630 Slog.w(TAG, msg, e); 15631 } 15632 15633 public void setError(String msg, PackageManagerException e) { 15634 returnCode = e.error; 15635 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 15636 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 15637 for (int i = 0; i < childCount; i++) { 15638 addedChildPackages.valueAt(i).setError(msg, e); 15639 } 15640 Slog.w(TAG, msg, e); 15641 } 15642 15643 public void setReturnCode(int returnCode) { 15644 this.returnCode = returnCode; 15645 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 15646 for (int i = 0; i < childCount; i++) { 15647 addedChildPackages.valueAt(i).returnCode = returnCode; 15648 } 15649 } 15650 15651 private void setReturnMessage(String returnMsg) { 15652 this.returnMsg = returnMsg; 15653 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 15654 for (int i = 0; i < childCount; i++) { 15655 addedChildPackages.valueAt(i).returnMsg = returnMsg; 15656 } 15657 } 15658 15659 // In some error cases we want to convey more info back to the observer 15660 String origPackage; 15661 String origPermission; 15662 } 15663 15664 /* 15665 * Install a non-existing package. 15666 */ 15667 private void installNewPackageLIF(PackageParser.Package pkg, final @ParseFlags int parseFlags, 15668 final @ScanFlags int scanFlags, UserHandle user, String installerPackageName, 15669 String volumeUuid, PackageInstalledInfo res, int installReason) { 15670 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 15671 15672 // Remember this for later, in case we need to rollback this install 15673 String pkgName = pkg.packageName; 15674 15675 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 15676 15677 synchronized(mPackages) { 15678 final String renamedPackage = mSettings.getRenamedPackageLPr(pkgName); 15679 if (renamedPackage != null) { 15680 // A package with the same name is already installed, though 15681 // it has been renamed to an older name. The package we 15682 // are trying to install should be installed as an update to 15683 // the existing one, but that has not been requested, so bail. 15684 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 15685 + " without first uninstalling package running as " 15686 + renamedPackage); 15687 return; 15688 } 15689 if (mPackages.containsKey(pkgName)) { 15690 // Don't allow installation over an existing package with the same name. 15691 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 15692 + " without first uninstalling."); 15693 return; 15694 } 15695 } 15696 15697 try { 15698 PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 15699 System.currentTimeMillis(), user); 15700 15701 updateSettingsLI(newPackage, installerPackageName, null, res, user, installReason); 15702 15703 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 15704 prepareAppDataAfterInstallLIF(newPackage); 15705 15706 } else { 15707 // Remove package from internal structures, but keep around any 15708 // data that might have already existed 15709 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 15710 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 15711 } 15712 } catch (PackageManagerException e) { 15713 res.setError("Package couldn't be installed in " + pkg.codePath, e); 15714 } 15715 15716 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15717 } 15718 15719 private static void updateDigest(MessageDigest digest, File file) throws IOException { 15720 try (DigestInputStream digestStream = 15721 new DigestInputStream(new FileInputStream(file), digest)) { 15722 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 15723 } 15724 } 15725 15726 private void replacePackageLIF(PackageParser.Package pkg, final @ParseFlags int parseFlags, 15727 final @ScanFlags int scanFlags, UserHandle user, String installerPackageName, 15728 PackageInstalledInfo res, int installReason) { 15729 final boolean isInstantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 15730 15731 final PackageParser.Package oldPackage; 15732 final PackageSetting ps; 15733 final String pkgName = pkg.packageName; 15734 final int[] allUsers; 15735 final int[] installedUsers; 15736 15737 synchronized(mPackages) { 15738 oldPackage = mPackages.get(pkgName); 15739 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 15740 15741 // don't allow upgrade to target a release SDK from a pre-release SDK 15742 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 15743 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 15744 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 15745 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 15746 if (oldTargetsPreRelease 15747 && !newTargetsPreRelease 15748 && ((parseFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 15749 Slog.w(TAG, "Can't install package targeting released sdk"); 15750 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 15751 return; 15752 } 15753 15754 ps = mSettings.mPackages.get(pkgName); 15755 15756 // verify signatures are valid 15757 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 15758 if (ksms.shouldCheckUpgradeKeySetLocked(ps, scanFlags)) { 15759 if (!ksms.checkUpgradeKeySetLocked(ps, pkg)) { 15760 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 15761 "New package not signed by keys specified by upgrade-keysets: " 15762 + pkgName); 15763 return; 15764 } 15765 } else { 15766 // default to original signature matching 15767 if (compareSignatures(oldPackage.mSigningDetails.signatures, 15768 pkg.mSigningDetails.signatures) 15769 != PackageManager.SIGNATURE_MATCH) { 15770 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 15771 "New package has a different signature: " + pkgName); 15772 return; 15773 } 15774 } 15775 15776 // don't allow a system upgrade unless the upgrade hash matches 15777 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystem()) { 15778 byte[] digestBytes = null; 15779 try { 15780 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 15781 updateDigest(digest, new File(pkg.baseCodePath)); 15782 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 15783 for (String path : pkg.splitCodePaths) { 15784 updateDigest(digest, new File(path)); 15785 } 15786 } 15787 digestBytes = digest.digest(); 15788 } catch (NoSuchAlgorithmException | IOException e) { 15789 res.setError(INSTALL_FAILED_INVALID_APK, 15790 "Could not compute hash: " + pkgName); 15791 return; 15792 } 15793 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 15794 res.setError(INSTALL_FAILED_INVALID_APK, 15795 "New package fails restrict-update check: " + pkgName); 15796 return; 15797 } 15798 // retain upgrade restriction 15799 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 15800 } 15801 15802 // Check for shared user id changes 15803 String invalidPackageName = 15804 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 15805 if (invalidPackageName != null) { 15806 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 15807 "Package " + invalidPackageName + " tried to change user " 15808 + oldPackage.mSharedUserId); 15809 return; 15810 } 15811 15812 // check if the new package supports all of the abis which the old package supports 15813 boolean oldPkgSupportMultiArch = oldPackage.applicationInfo.secondaryCpuAbi != null; 15814 boolean newPkgSupportMultiArch = pkg.applicationInfo.secondaryCpuAbi != null; 15815 if (isSystemApp(oldPackage) && oldPkgSupportMultiArch && !newPkgSupportMultiArch) { 15816 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 15817 "Update to package " + pkgName + " doesn't support multi arch"); 15818 return; 15819 } 15820 15821 // In case of rollback, remember per-user/profile install state 15822 allUsers = sUserManager.getUserIds(); 15823 installedUsers = ps.queryInstalledUsers(allUsers, true); 15824 15825 // don't allow an upgrade from full to ephemeral 15826 if (isInstantApp) { 15827 if (user == null || user.getIdentifier() == UserHandle.USER_ALL) { 15828 for (int currentUser : allUsers) { 15829 if (!ps.getInstantApp(currentUser)) { 15830 // can't downgrade from full to instant 15831 Slog.w(TAG, "Can't replace full app with instant app: " + pkgName 15832 + " for user: " + currentUser); 15833 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 15834 return; 15835 } 15836 } 15837 } else if (!ps.getInstantApp(user.getIdentifier())) { 15838 // can't downgrade from full to instant 15839 Slog.w(TAG, "Can't replace full app with instant app: " + pkgName 15840 + " for user: " + user.getIdentifier()); 15841 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 15842 return; 15843 } 15844 } 15845 } 15846 15847 // Update what is removed 15848 res.removedInfo = new PackageRemovedInfo(this); 15849 res.removedInfo.uid = oldPackage.applicationInfo.uid; 15850 res.removedInfo.removedPackage = oldPackage.packageName; 15851 res.removedInfo.installerPackageName = ps.installerPackageName; 15852 res.removedInfo.isStaticSharedLib = pkg.staticSharedLibName != null; 15853 res.removedInfo.isUpdate = true; 15854 res.removedInfo.origUsers = installedUsers; 15855 res.removedInfo.installReasons = new SparseArray<>(installedUsers.length); 15856 for (int i = 0; i < installedUsers.length; i++) { 15857 final int userId = installedUsers[i]; 15858 res.removedInfo.installReasons.put(userId, ps.getInstallReason(userId)); 15859 } 15860 15861 final int childCount = (oldPackage.childPackages != null) 15862 ? oldPackage.childPackages.size() : 0; 15863 for (int i = 0; i < childCount; i++) { 15864 boolean childPackageUpdated = false; 15865 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 15866 final PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 15867 if (res.addedChildPackages != null) { 15868 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15869 if (childRes != null) { 15870 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 15871 childRes.removedInfo.removedPackage = childPkg.packageName; 15872 if (childPs != null) { 15873 childRes.removedInfo.installerPackageName = childPs.installerPackageName; 15874 } 15875 childRes.removedInfo.isUpdate = true; 15876 childRes.removedInfo.installReasons = res.removedInfo.installReasons; 15877 childPackageUpdated = true; 15878 } 15879 } 15880 if (!childPackageUpdated) { 15881 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(this); 15882 childRemovedRes.removedPackage = childPkg.packageName; 15883 if (childPs != null) { 15884 childRemovedRes.installerPackageName = childPs.installerPackageName; 15885 } 15886 childRemovedRes.isUpdate = false; 15887 childRemovedRes.dataRemoved = true; 15888 synchronized (mPackages) { 15889 if (childPs != null) { 15890 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 15891 } 15892 } 15893 if (res.removedInfo.removedChildPackages == null) { 15894 res.removedInfo.removedChildPackages = new ArrayMap<>(); 15895 } 15896 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 15897 } 15898 } 15899 15900 boolean sysPkg = (isSystemApp(oldPackage)); 15901 if (sysPkg) { 15902 // Set the system/privileged/oem/vendor flags as needed 15903 final boolean privileged = 15904 (oldPackage.applicationInfo.privateFlags 15905 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15906 final boolean oem = 15907 (oldPackage.applicationInfo.privateFlags 15908 & ApplicationInfo.PRIVATE_FLAG_OEM) != 0; 15909 final boolean vendor = 15910 (oldPackage.applicationInfo.privateFlags 15911 & ApplicationInfo.PRIVATE_FLAG_VENDOR) != 0; 15912 final @ParseFlags int systemParseFlags = parseFlags; 15913 final @ScanFlags int systemScanFlags = scanFlags 15914 | SCAN_AS_SYSTEM 15915 | (privileged ? SCAN_AS_PRIVILEGED : 0) 15916 | (oem ? SCAN_AS_OEM : 0) 15917 | (vendor ? SCAN_AS_VENDOR : 0); 15918 15919 replaceSystemPackageLIF(oldPackage, pkg, systemParseFlags, systemScanFlags, 15920 user, allUsers, installerPackageName, res, installReason); 15921 } else { 15922 replaceNonSystemPackageLIF(oldPackage, pkg, parseFlags, scanFlags, 15923 user, allUsers, installerPackageName, res, installReason); 15924 } 15925 } 15926 15927 @Override 15928 public List<String> getPreviousCodePaths(String packageName) { 15929 final int callingUid = Binder.getCallingUid(); 15930 final List<String> result = new ArrayList<>(); 15931 if (getInstantAppPackageName(callingUid) != null) { 15932 return result; 15933 } 15934 final PackageSetting ps = mSettings.mPackages.get(packageName); 15935 if (ps != null 15936 && ps.oldCodePaths != null 15937 && !filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 15938 result.addAll(ps.oldCodePaths); 15939 } 15940 return result; 15941 } 15942 15943 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 15944 PackageParser.Package pkg, final @ParseFlags int parseFlags, 15945 final @ScanFlags int scanFlags, UserHandle user, int[] allUsers, 15946 String installerPackageName, PackageInstalledInfo res, int installReason) { 15947 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 15948 + deletedPackage); 15949 15950 String pkgName = deletedPackage.packageName; 15951 boolean deletedPkg = true; 15952 boolean addedPkg = false; 15953 boolean updatedSettings = false; 15954 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 15955 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 15956 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 15957 15958 final long origUpdateTime = (pkg.mExtras != null) 15959 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 15960 15961 // First delete the existing package while retaining the data directory 15962 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 15963 res.removedInfo, true, pkg)) { 15964 // If the existing package wasn't successfully deleted 15965 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 15966 deletedPkg = false; 15967 } else { 15968 // Successfully deleted the old package; proceed with replace. 15969 15970 // If deleted package lived in a container, give users a chance to 15971 // relinquish resources before killing. 15972 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 15973 if (DEBUG_INSTALL) { 15974 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 15975 } 15976 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 15977 final ArrayList<String> pkgList = new ArrayList<String>(1); 15978 pkgList.add(deletedPackage.applicationInfo.packageName); 15979 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 15980 } 15981 15982 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 15983 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 15984 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 15985 15986 try { 15987 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, 15988 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 15989 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 15990 installReason); 15991 15992 // Update the in-memory copy of the previous code paths. 15993 PackageSetting ps = mSettings.mPackages.get(pkgName); 15994 if (!killApp) { 15995 if (ps.oldCodePaths == null) { 15996 ps.oldCodePaths = new ArraySet<>(); 15997 } 15998 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 15999 if (deletedPackage.splitCodePaths != null) { 16000 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 16001 } 16002 } else { 16003 ps.oldCodePaths = null; 16004 } 16005 if (ps.childPackageNames != null) { 16006 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 16007 final String childPkgName = ps.childPackageNames.get(i); 16008 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 16009 childPs.oldCodePaths = ps.oldCodePaths; 16010 } 16011 } 16012 // set instant app status, but, only if it's explicitly specified 16013 final boolean instantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 16014 final boolean fullApp = (scanFlags & SCAN_AS_FULL_APP) != 0; 16015 setInstantAppForUser(ps, user.getIdentifier(), instantApp, fullApp); 16016 prepareAppDataAfterInstallLIF(newPackage); 16017 addedPkg = true; 16018 mDexManager.notifyPackageUpdated(newPackage.packageName, 16019 newPackage.baseCodePath, newPackage.splitCodePaths); 16020 } catch (PackageManagerException e) { 16021 res.setError("Package couldn't be installed in " + pkg.codePath, e); 16022 } 16023 } 16024 16025 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 16026 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 16027 16028 // Revert all internal state mutations and added folders for the failed install 16029 if (addedPkg) { 16030 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 16031 res.removedInfo, true, null); 16032 } 16033 16034 // Restore the old package 16035 if (deletedPkg) { 16036 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 16037 File restoreFile = new File(deletedPackage.codePath); 16038 // Parse old package 16039 boolean oldExternal = isExternal(deletedPackage); 16040 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 16041 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 16042 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 16043 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 16044 try { 16045 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 16046 null); 16047 } catch (PackageManagerException e) { 16048 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 16049 + e.getMessage()); 16050 return; 16051 } 16052 16053 synchronized (mPackages) { 16054 // Ensure the installer package name up to date 16055 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 16056 16057 // Update permissions for restored package 16058 mPermissionManager.updatePermissions( 16059 deletedPackage.packageName, deletedPackage, false, mPackages.values(), 16060 mPermissionCallback); 16061 16062 mSettings.writeLPr(); 16063 } 16064 16065 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 16066 } 16067 } else { 16068 synchronized (mPackages) { 16069 PackageSetting ps = mSettings.getPackageLPr(pkg.packageName); 16070 if (ps != null) { 16071 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16072 if (res.removedInfo.removedChildPackages != null) { 16073 final int childCount = res.removedInfo.removedChildPackages.size(); 16074 // Iterate in reverse as we may modify the collection 16075 for (int i = childCount - 1; i >= 0; i--) { 16076 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 16077 if (res.addedChildPackages.containsKey(childPackageName)) { 16078 res.removedInfo.removedChildPackages.removeAt(i); 16079 } else { 16080 PackageRemovedInfo childInfo = res.removedInfo 16081 .removedChildPackages.valueAt(i); 16082 childInfo.removedForAllUsers = mPackages.get( 16083 childInfo.removedPackage) == null; 16084 } 16085 } 16086 } 16087 } 16088 } 16089 } 16090 } 16091 16092 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 16093 PackageParser.Package pkg, final @ParseFlags int parseFlags, 16094 final @ScanFlags int scanFlags, UserHandle user, 16095 int[] allUsers, String installerPackageName, PackageInstalledInfo res, 16096 int installReason) { 16097 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 16098 + ", old=" + deletedPackage); 16099 16100 final boolean disabledSystem; 16101 16102 // Remove existing system package 16103 removePackageLI(deletedPackage, true); 16104 16105 synchronized (mPackages) { 16106 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 16107 } 16108 if (!disabledSystem) { 16109 // We didn't need to disable the .apk as a current system package, 16110 // which means we are replacing another update that is already 16111 // installed. We need to make sure to delete the older one's .apk. 16112 res.removedInfo.args = createInstallArgsForExisting(0, 16113 deletedPackage.applicationInfo.getCodePath(), 16114 deletedPackage.applicationInfo.getResourcePath(), 16115 getAppDexInstructionSets(deletedPackage.applicationInfo)); 16116 } else { 16117 res.removedInfo.args = null; 16118 } 16119 16120 // Successfully disabled the old package. Now proceed with re-installation 16121 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 16122 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16123 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 16124 16125 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16126 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 16127 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 16128 16129 PackageParser.Package newPackage = null; 16130 try { 16131 // Add the package to the internal data structures 16132 newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 0, user); 16133 16134 // Set the update and install times 16135 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 16136 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 16137 System.currentTimeMillis()); 16138 16139 // Update the package dynamic state if succeeded 16140 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 16141 // Now that the install succeeded make sure we remove data 16142 // directories for any child package the update removed. 16143 final int deletedChildCount = (deletedPackage.childPackages != null) 16144 ? deletedPackage.childPackages.size() : 0; 16145 final int newChildCount = (newPackage.childPackages != null) 16146 ? newPackage.childPackages.size() : 0; 16147 for (int i = 0; i < deletedChildCount; i++) { 16148 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 16149 boolean childPackageDeleted = true; 16150 for (int j = 0; j < newChildCount; j++) { 16151 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 16152 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 16153 childPackageDeleted = false; 16154 break; 16155 } 16156 } 16157 if (childPackageDeleted) { 16158 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 16159 deletedChildPkg.packageName); 16160 if (ps != null && res.removedInfo.removedChildPackages != null) { 16161 PackageRemovedInfo removedChildRes = res.removedInfo 16162 .removedChildPackages.get(deletedChildPkg.packageName); 16163 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 16164 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 16165 } 16166 } 16167 } 16168 16169 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 16170 installReason); 16171 prepareAppDataAfterInstallLIF(newPackage); 16172 16173 mDexManager.notifyPackageUpdated(newPackage.packageName, 16174 newPackage.baseCodePath, newPackage.splitCodePaths); 16175 } 16176 } catch (PackageManagerException e) { 16177 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 16178 res.setError("Package couldn't be installed in " + pkg.codePath, e); 16179 } 16180 16181 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 16182 // Re installation failed. Restore old information 16183 // Remove new pkg information 16184 if (newPackage != null) { 16185 removeInstalledPackageLI(newPackage, true); 16186 } 16187 // Add back the old system package 16188 try { 16189 scanPackageTracedLI(deletedPackage, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 16190 } catch (PackageManagerException e) { 16191 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 16192 } 16193 16194 synchronized (mPackages) { 16195 if (disabledSystem) { 16196 enableSystemPackageLPw(deletedPackage); 16197 } 16198 16199 // Ensure the installer package name up to date 16200 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 16201 16202 // Update permissions for restored package 16203 mPermissionManager.updatePermissions( 16204 deletedPackage.packageName, deletedPackage, false, mPackages.values(), 16205 mPermissionCallback); 16206 16207 mSettings.writeLPr(); 16208 } 16209 16210 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 16211 + " after failed upgrade"); 16212 } 16213 } 16214 16215 /** 16216 * Checks whether the parent or any of the child packages have a change shared 16217 * user. For a package to be a valid update the shred users of the parent and 16218 * the children should match. We may later support changing child shared users. 16219 * @param oldPkg The updated package. 16220 * @param newPkg The update package. 16221 * @return The shared user that change between the versions. 16222 */ 16223 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 16224 PackageParser.Package newPkg) { 16225 // Check parent shared user 16226 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 16227 return newPkg.packageName; 16228 } 16229 // Check child shared users 16230 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 16231 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 16232 for (int i = 0; i < newChildCount; i++) { 16233 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 16234 // If this child was present, did it have the same shared user? 16235 for (int j = 0; j < oldChildCount; j++) { 16236 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 16237 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 16238 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 16239 return newChildPkg.packageName; 16240 } 16241 } 16242 } 16243 return null; 16244 } 16245 16246 private void removeNativeBinariesLI(PackageSetting ps) { 16247 // Remove the lib path for the parent package 16248 if (ps != null) { 16249 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 16250 // Remove the lib path for the child packages 16251 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 16252 for (int i = 0; i < childCount; i++) { 16253 PackageSetting childPs = null; 16254 synchronized (mPackages) { 16255 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 16256 } 16257 if (childPs != null) { 16258 NativeLibraryHelper.removeNativeBinariesLI(childPs 16259 .legacyNativeLibraryPathString); 16260 } 16261 } 16262 } 16263 } 16264 16265 private void enableSystemPackageLPw(PackageParser.Package pkg) { 16266 // Enable the parent package 16267 mSettings.enableSystemPackageLPw(pkg.packageName); 16268 // Enable the child packages 16269 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16270 for (int i = 0; i < childCount; i++) { 16271 PackageParser.Package childPkg = pkg.childPackages.get(i); 16272 mSettings.enableSystemPackageLPw(childPkg.packageName); 16273 } 16274 } 16275 16276 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 16277 PackageParser.Package newPkg) { 16278 // Disable the parent package (parent always replaced) 16279 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 16280 // Disable the child packages 16281 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 16282 for (int i = 0; i < childCount; i++) { 16283 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 16284 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 16285 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 16286 } 16287 return disabled; 16288 } 16289 16290 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 16291 String installerPackageName) { 16292 // Enable the parent package 16293 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 16294 // Enable the child packages 16295 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16296 for (int i = 0; i < childCount; i++) { 16297 PackageParser.Package childPkg = pkg.childPackages.get(i); 16298 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 16299 } 16300 } 16301 16302 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 16303 int[] allUsers, PackageInstalledInfo res, UserHandle user, int installReason) { 16304 // Update the parent package setting 16305 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 16306 res, user, installReason); 16307 // Update the child packages setting 16308 final int childCount = (newPackage.childPackages != null) 16309 ? newPackage.childPackages.size() : 0; 16310 for (int i = 0; i < childCount; i++) { 16311 PackageParser.Package childPackage = newPackage.childPackages.get(i); 16312 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 16313 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 16314 childRes.origUsers, childRes, user, installReason); 16315 } 16316 } 16317 16318 private void updateSettingsInternalLI(PackageParser.Package pkg, 16319 String installerPackageName, int[] allUsers, int[] installedForUsers, 16320 PackageInstalledInfo res, UserHandle user, int installReason) { 16321 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 16322 16323 String pkgName = pkg.packageName; 16324 synchronized (mPackages) { 16325 //write settings. the installStatus will be incomplete at this stage. 16326 //note that the new package setting would have already been 16327 //added to mPackages. It hasn't been persisted yet. 16328 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 16329 // TODO: Remove this write? It's also written at the end of this method 16330 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 16331 mSettings.writeLPr(); 16332 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16333 } 16334 16335 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + pkg.codePath); 16336 synchronized (mPackages) { 16337// NOTE: This changes slightly to include UPDATE_PERMISSIONS_ALL regardless of the size of pkg.permissions 16338 mPermissionManager.updatePermissions(pkg.packageName, pkg, true, mPackages.values(), 16339 mPermissionCallback); 16340 // For system-bundled packages, we assume that installing an upgraded version 16341 // of the package implies that the user actually wants to run that new code, 16342 // so we enable the package. 16343 PackageSetting ps = mSettings.mPackages.get(pkgName); 16344 final int userId = user.getIdentifier(); 16345 if (ps != null) { 16346 if (isSystemApp(pkg)) { 16347 if (DEBUG_INSTALL) { 16348 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 16349 } 16350 // Enable system package for requested users 16351 if (res.origUsers != null) { 16352 for (int origUserId : res.origUsers) { 16353 if (userId == UserHandle.USER_ALL || userId == origUserId) { 16354 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 16355 origUserId, installerPackageName); 16356 } 16357 } 16358 } 16359 // Also convey the prior install/uninstall state 16360 if (allUsers != null && installedForUsers != null) { 16361 for (int currentUserId : allUsers) { 16362 final boolean installed = ArrayUtils.contains( 16363 installedForUsers, currentUserId); 16364 if (DEBUG_INSTALL) { 16365 Slog.d(TAG, " user " + currentUserId + " => " + installed); 16366 } 16367 ps.setInstalled(installed, currentUserId); 16368 } 16369 // these install state changes will be persisted in the 16370 // upcoming call to mSettings.writeLPr(). 16371 } 16372 } 16373 // It's implied that when a user requests installation, they want the app to be 16374 // installed and enabled. 16375 if (userId != UserHandle.USER_ALL) { 16376 ps.setInstalled(true, userId); 16377 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 16378 } 16379 16380 // When replacing an existing package, preserve the original install reason for all 16381 // users that had the package installed before. 16382 final Set<Integer> previousUserIds = new ArraySet<>(); 16383 if (res.removedInfo != null && res.removedInfo.installReasons != null) { 16384 final int installReasonCount = res.removedInfo.installReasons.size(); 16385 for (int i = 0; i < installReasonCount; i++) { 16386 final int previousUserId = res.removedInfo.installReasons.keyAt(i); 16387 final int previousInstallReason = res.removedInfo.installReasons.valueAt(i); 16388 ps.setInstallReason(previousInstallReason, previousUserId); 16389 previousUserIds.add(previousUserId); 16390 } 16391 } 16392 16393 // Set install reason for users that are having the package newly installed. 16394 if (userId == UserHandle.USER_ALL) { 16395 for (int currentUserId : sUserManager.getUserIds()) { 16396 if (!previousUserIds.contains(currentUserId)) { 16397 ps.setInstallReason(installReason, currentUserId); 16398 } 16399 } 16400 } else if (!previousUserIds.contains(userId)) { 16401 ps.setInstallReason(installReason, userId); 16402 } 16403 mSettings.writeKernelMappingLPr(ps); 16404 } 16405 res.name = pkgName; 16406 res.uid = pkg.applicationInfo.uid; 16407 res.pkg = pkg; 16408 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 16409 mSettings.setInstallerPackageName(pkgName, installerPackageName); 16410 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16411 //to update install status 16412 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 16413 mSettings.writeLPr(); 16414 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16415 } 16416 16417 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16418 } 16419 16420 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 16421 try { 16422 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 16423 installPackageLI(args, res); 16424 } finally { 16425 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16426 } 16427 } 16428 16429 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 16430 final int installFlags = args.installFlags; 16431 final String installerPackageName = args.installerPackageName; 16432 final String volumeUuid = args.volumeUuid; 16433 final File tmpPackageFile = new File(args.getCodePath()); 16434 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 16435 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 16436 || (args.volumeUuid != null)); 16437 final boolean instantApp = ((installFlags & PackageManager.INSTALL_INSTANT_APP) != 0); 16438 final boolean fullApp = ((installFlags & PackageManager.INSTALL_FULL_APP) != 0); 16439 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 16440 final boolean virtualPreload = 16441 ((installFlags & PackageManager.INSTALL_VIRTUAL_PRELOAD) != 0); 16442 boolean replace = false; 16443 @ScanFlags int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 16444 if (args.move != null) { 16445 // moving a complete application; perform an initial scan on the new install location 16446 scanFlags |= SCAN_INITIAL; 16447 } 16448 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 16449 scanFlags |= SCAN_DONT_KILL_APP; 16450 } 16451 if (instantApp) { 16452 scanFlags |= SCAN_AS_INSTANT_APP; 16453 } 16454 if (fullApp) { 16455 scanFlags |= SCAN_AS_FULL_APP; 16456 } 16457 if (virtualPreload) { 16458 scanFlags |= SCAN_AS_VIRTUAL_PRELOAD; 16459 } 16460 16461 // Result object to be returned 16462 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16463 res.installerPackageName = installerPackageName; 16464 16465 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 16466 16467 // Sanity check 16468 if (instantApp && (forwardLocked || onExternal)) { 16469 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 16470 + " external=" + onExternal); 16471 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 16472 return; 16473 } 16474 16475 // Retrieve PackageSettings and parse package 16476 @ParseFlags final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 16477 | PackageParser.PARSE_ENFORCE_CODE 16478 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 16479 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 16480 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 16481 PackageParser pp = new PackageParser(); 16482 pp.setSeparateProcesses(mSeparateProcesses); 16483 pp.setDisplayMetrics(mMetrics); 16484 pp.setCallback(mPackageParserCallback); 16485 16486 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 16487 final PackageParser.Package pkg; 16488 try { 16489 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 16490 DexMetadataHelper.validatePackageDexMetadata(pkg); 16491 } catch (PackageParserException e) { 16492 res.setError("Failed parse during installPackageLI", e); 16493 return; 16494 } finally { 16495 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16496 } 16497 16498 // App targetSdkVersion is below min supported version 16499 if (!forceSdk && pkg.applicationInfo.isTargetingDeprecatedSdkVersion()) { 16500 Slog.w(TAG, "App " + pkg.packageName + " targets deprecated sdk"); 16501 16502 res.setError(INSTALL_FAILED_NEWER_SDK, 16503 "App is targeting deprecated sdk (targetSdkVersion should be at least " 16504 + Build.VERSION.MIN_SUPPORTED_TARGET_SDK_INT + ")."); 16505 return; 16506 } 16507 16508 // Instant apps have several additional install-time checks. 16509 if (instantApp) { 16510 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.O) { 16511 Slog.w(TAG, 16512 "Instant app package " + pkg.packageName + " does not target at least O"); 16513 res.setError(INSTALL_FAILED_INSTANT_APP_INVALID, 16514 "Instant app package must target at least O"); 16515 return; 16516 } 16517 if (pkg.applicationInfo.targetSandboxVersion != 2) { 16518 Slog.w(TAG, "Instant app package " + pkg.packageName 16519 + " does not target targetSandboxVersion 2"); 16520 res.setError(INSTALL_FAILED_INSTANT_APP_INVALID, 16521 "Instant app package must use targetSandboxVersion 2"); 16522 return; 16523 } 16524 if (pkg.mSharedUserId != null) { 16525 Slog.w(TAG, "Instant app package " + pkg.packageName 16526 + " may not declare sharedUserId."); 16527 res.setError(INSTALL_FAILED_INSTANT_APP_INVALID, 16528 "Instant app package may not declare a sharedUserId"); 16529 return; 16530 } 16531 } 16532 16533 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16534 // Static shared libraries have synthetic package names 16535 renameStaticSharedLibraryPackage(pkg); 16536 16537 // No static shared libs on external storage 16538 if (onExternal) { 16539 Slog.i(TAG, "Static shared libs can only be installed on internal storage."); 16540 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 16541 "Packages declaring static-shared libs cannot be updated"); 16542 return; 16543 } 16544 } 16545 16546 // If we are installing a clustered package add results for the children 16547 if (pkg.childPackages != null) { 16548 synchronized (mPackages) { 16549 final int childCount = pkg.childPackages.size(); 16550 for (int i = 0; i < childCount; i++) { 16551 PackageParser.Package childPkg = pkg.childPackages.get(i); 16552 PackageInstalledInfo childRes = new PackageInstalledInfo(); 16553 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16554 childRes.pkg = childPkg; 16555 childRes.name = childPkg.packageName; 16556 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 16557 if (childPs != null) { 16558 childRes.origUsers = childPs.queryInstalledUsers( 16559 sUserManager.getUserIds(), true); 16560 } 16561 if ((mPackages.containsKey(childPkg.packageName))) { 16562 childRes.removedInfo = new PackageRemovedInfo(this); 16563 childRes.removedInfo.removedPackage = childPkg.packageName; 16564 childRes.removedInfo.installerPackageName = childPs.installerPackageName; 16565 } 16566 if (res.addedChildPackages == null) { 16567 res.addedChildPackages = new ArrayMap<>(); 16568 } 16569 res.addedChildPackages.put(childPkg.packageName, childRes); 16570 } 16571 } 16572 } 16573 16574 // If package doesn't declare API override, mark that we have an install 16575 // time CPU ABI override. 16576 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 16577 pkg.cpuAbiOverride = args.abiOverride; 16578 } 16579 16580 String pkgName = res.name = pkg.packageName; 16581 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 16582 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 16583 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 16584 return; 16585 } 16586 } 16587 16588 try { 16589 // either use what we've been given or parse directly from the APK 16590 if (args.signingDetails != PackageParser.SigningDetails.UNKNOWN) { 16591 pkg.setSigningDetails(args.signingDetails); 16592 } else { 16593 PackageParser.collectCertificates(pkg, parseFlags); 16594 } 16595 } catch (PackageParserException e) { 16596 res.setError("Failed collect during installPackageLI", e); 16597 return; 16598 } 16599 16600 if (instantApp && pkg.mSigningDetails.signatureSchemeVersion 16601 < SignatureSchemeVersion.SIGNING_BLOCK_V2) { 16602 Slog.w(TAG, "Instant app package " + pkg.packageName 16603 + " is not signed with at least APK Signature Scheme v2"); 16604 res.setError(INSTALL_FAILED_INSTANT_APP_INVALID, 16605 "Instant app package must be signed with APK Signature Scheme v2 or greater"); 16606 return; 16607 } 16608 16609 // Get rid of all references to package scan path via parser. 16610 pp = null; 16611 String oldCodePath = null; 16612 boolean systemApp = false; 16613 synchronized (mPackages) { 16614 // Check if installing already existing package 16615 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 16616 String oldName = mSettings.getRenamedPackageLPr(pkgName); 16617 if (pkg.mOriginalPackages != null 16618 && pkg.mOriginalPackages.contains(oldName) 16619 && mPackages.containsKey(oldName)) { 16620 // This package is derived from an original package, 16621 // and this device has been updating from that original 16622 // name. We must continue using the original name, so 16623 // rename the new package here. 16624 pkg.setPackageName(oldName); 16625 pkgName = pkg.packageName; 16626 replace = true; 16627 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 16628 + oldName + " pkgName=" + pkgName); 16629 } else if (mPackages.containsKey(pkgName)) { 16630 // This package, under its official name, already exists 16631 // on the device; we should replace it. 16632 replace = true; 16633 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 16634 } 16635 16636 // Child packages are installed through the parent package 16637 if (pkg.parentPackage != null) { 16638 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 16639 "Package " + pkg.packageName + " is child of package " 16640 + pkg.parentPackage.parentPackage + ". Child packages " 16641 + "can be updated only through the parent package."); 16642 return; 16643 } 16644 16645 if (replace) { 16646 // Prevent apps opting out from runtime permissions 16647 PackageParser.Package oldPackage = mPackages.get(pkgName); 16648 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 16649 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 16650 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 16651 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 16652 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 16653 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 16654 + " doesn't support runtime permissions but the old" 16655 + " target SDK " + oldTargetSdk + " does."); 16656 return; 16657 } 16658 // Prevent persistent apps from being updated 16659 if ((oldPackage.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0) { 16660 res.setError(PackageManager.INSTALL_FAILED_INVALID_APK, 16661 "Package " + oldPackage.packageName + " is a persistent app. " 16662 + "Persistent apps are not updateable."); 16663 return; 16664 } 16665 // Prevent apps from downgrading their targetSandbox. 16666 final int oldTargetSandbox = oldPackage.applicationInfo.targetSandboxVersion; 16667 final int newTargetSandbox = pkg.applicationInfo.targetSandboxVersion; 16668 if (oldTargetSandbox == 2 && newTargetSandbox != 2) { 16669 res.setError(PackageManager.INSTALL_FAILED_SANDBOX_VERSION_DOWNGRADE, 16670 "Package " + pkg.packageName + " new target sandbox " 16671 + newTargetSandbox + " is incompatible with the previous value of" 16672 + oldTargetSandbox + "."); 16673 return; 16674 } 16675 16676 // Prevent installing of child packages 16677 if (oldPackage.parentPackage != null) { 16678 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 16679 "Package " + pkg.packageName + " is child of package " 16680 + oldPackage.parentPackage + ". Child packages " 16681 + "can be updated only through the parent package."); 16682 return; 16683 } 16684 } 16685 } 16686 16687 PackageSetting ps = mSettings.mPackages.get(pkgName); 16688 if (ps != null) { 16689 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 16690 16691 // Static shared libs have same package with different versions where 16692 // we internally use a synthetic package name to allow multiple versions 16693 // of the same package, therefore we need to compare signatures against 16694 // the package setting for the latest library version. 16695 PackageSetting signatureCheckPs = ps; 16696 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16697 SharedLibraryEntry libraryEntry = getLatestSharedLibraVersionLPr(pkg); 16698 if (libraryEntry != null) { 16699 signatureCheckPs = mSettings.getPackageLPr(libraryEntry.apk); 16700 } 16701 } 16702 16703 // Quick sanity check that we're signed correctly if updating; 16704 // we'll check this again later when scanning, but we want to 16705 // bail early here before tripping over redefined permissions. 16706 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 16707 if (ksms.shouldCheckUpgradeKeySetLocked(signatureCheckPs, scanFlags)) { 16708 if (!ksms.checkUpgradeKeySetLocked(signatureCheckPs, pkg)) { 16709 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 16710 + pkg.packageName + " upgrade keys do not match the " 16711 + "previously installed version"); 16712 return; 16713 } 16714 } else { 16715 try { 16716 final boolean compareCompat = isCompatSignatureUpdateNeeded(pkg); 16717 final boolean compareRecover = isRecoverSignatureUpdateNeeded(pkg); 16718 // We don't care about disabledPkgSetting on install for now. 16719 final boolean compatMatch = verifySignatures( 16720 signatureCheckPs, null, pkg.mSigningDetails, compareCompat, 16721 compareRecover); 16722 // The new KeySets will be re-added later in the scanning process. 16723 if (compatMatch) { 16724 synchronized (mPackages) { 16725 ksms.removeAppKeySetDataLPw(pkg.packageName); 16726 } 16727 } 16728 } catch (PackageManagerException e) { 16729 res.setError(e.error, e.getMessage()); 16730 return; 16731 } 16732 } 16733 16734 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 16735 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 16736 systemApp = (ps.pkg.applicationInfo.flags & 16737 ApplicationInfo.FLAG_SYSTEM) != 0; 16738 } 16739 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 16740 } 16741 16742 int N = pkg.permissions.size(); 16743 for (int i = N-1; i >= 0; i--) { 16744 final PackageParser.Permission perm = pkg.permissions.get(i); 16745 final BasePermission bp = 16746 (BasePermission) mPermissionManager.getPermissionTEMP(perm.info.name); 16747 16748 // Don't allow anyone but the system to define ephemeral permissions. 16749 if ((perm.info.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTANT) != 0 16750 && !systemApp) { 16751 Slog.w(TAG, "Non-System package " + pkg.packageName 16752 + " attempting to delcare ephemeral permission " 16753 + perm.info.name + "; Removing ephemeral."); 16754 perm.info.protectionLevel &= ~PermissionInfo.PROTECTION_FLAG_INSTANT; 16755 } 16756 16757 // Check whether the newly-scanned package wants to define an already-defined perm 16758 if (bp != null) { 16759 // If the defining package is signed with our cert, it's okay. This 16760 // also includes the "updating the same package" case, of course. 16761 // "updating same package" could also involve key-rotation. 16762 final boolean sigsOk; 16763 final String sourcePackageName = bp.getSourcePackageName(); 16764 final PackageSettingBase sourcePackageSetting = bp.getSourcePackageSetting(); 16765 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 16766 if (sourcePackageName.equals(pkg.packageName) 16767 && (ksms.shouldCheckUpgradeKeySetLocked( 16768 sourcePackageSetting, scanFlags))) { 16769 sigsOk = ksms.checkUpgradeKeySetLocked(sourcePackageSetting, pkg); 16770 } else { 16771 sigsOk = compareSignatures(sourcePackageSetting.signatures.mSignatures, 16772 pkg.mSigningDetails.signatures) == PackageManager.SIGNATURE_MATCH; 16773 } 16774 if (!sigsOk) { 16775 // If the owning package is the system itself, we log but allow 16776 // install to proceed; we fail the install on all other permission 16777 // redefinitions. 16778 if (!sourcePackageName.equals("android")) { 16779 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 16780 + pkg.packageName + " attempting to redeclare permission " 16781 + perm.info.name + " already owned by " + sourcePackageName); 16782 res.origPermission = perm.info.name; 16783 res.origPackage = sourcePackageName; 16784 return; 16785 } else { 16786 Slog.w(TAG, "Package " + pkg.packageName 16787 + " attempting to redeclare system permission " 16788 + perm.info.name + "; ignoring new declaration"); 16789 pkg.permissions.remove(i); 16790 } 16791 } else if (!PLATFORM_PACKAGE_NAME.equals(pkg.packageName)) { 16792 // Prevent apps to change protection level to dangerous from any other 16793 // type as this would allow a privilege escalation where an app adds a 16794 // normal/signature permission in other app's group and later redefines 16795 // it as dangerous leading to the group auto-grant. 16796 if ((perm.info.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE) 16797 == PermissionInfo.PROTECTION_DANGEROUS) { 16798 if (bp != null && !bp.isRuntime()) { 16799 Slog.w(TAG, "Package " + pkg.packageName + " trying to change a " 16800 + "non-runtime permission " + perm.info.name 16801 + " to runtime; keeping old protection level"); 16802 perm.info.protectionLevel = bp.getProtectionLevel(); 16803 } 16804 } 16805 } 16806 } 16807 } 16808 } 16809 16810 if (systemApp) { 16811 if (onExternal) { 16812 // Abort update; system app can't be replaced with app on sdcard 16813 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 16814 "Cannot install updates to system apps on sdcard"); 16815 return; 16816 } else if (instantApp) { 16817 // Abort update; system app can't be replaced with an instant app 16818 res.setError(INSTALL_FAILED_INSTANT_APP_INVALID, 16819 "Cannot update a system app with an instant app"); 16820 return; 16821 } 16822 } 16823 16824 if (args.move != null) { 16825 // We did an in-place move, so dex is ready to roll 16826 scanFlags |= SCAN_NO_DEX; 16827 scanFlags |= SCAN_MOVE; 16828 16829 synchronized (mPackages) { 16830 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16831 if (ps == null) { 16832 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 16833 "Missing settings for moved package " + pkgName); 16834 } 16835 16836 // We moved the entire application as-is, so bring over the 16837 // previously derived ABI information. 16838 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 16839 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 16840 } 16841 16842 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 16843 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 16844 scanFlags |= SCAN_NO_DEX; 16845 16846 try { 16847 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 16848 args.abiOverride : pkg.cpuAbiOverride); 16849 final boolean extractNativeLibs = !pkg.isLibrary(); 16850 derivePackageAbi(pkg, abiOverride, extractNativeLibs); 16851 } catch (PackageManagerException pme) { 16852 Slog.e(TAG, "Error deriving application ABI", pme); 16853 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 16854 return; 16855 } 16856 16857 // Shared libraries for the package need to be updated. 16858 synchronized (mPackages) { 16859 try { 16860 updateSharedLibrariesLPr(pkg, null); 16861 } catch (PackageManagerException e) { 16862 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 16863 } 16864 } 16865 } 16866 16867 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 16868 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 16869 return; 16870 } 16871 16872 if (!instantApp) { 16873 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 16874 } else { 16875 if (DEBUG_DOMAIN_VERIFICATION) { 16876 Slog.d(TAG, "Not verifying instant app install for app links: " + pkgName); 16877 } 16878 } 16879 16880 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 16881 "installPackageLI")) { 16882 if (replace) { 16883 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16884 // Static libs have a synthetic package name containing the version 16885 // and cannot be updated as an update would get a new package name, 16886 // unless this is the exact same version code which is useful for 16887 // development. 16888 PackageParser.Package existingPkg = mPackages.get(pkg.packageName); 16889 if (existingPkg != null && 16890 existingPkg.getLongVersionCode() != pkg.getLongVersionCode()) { 16891 res.setError(INSTALL_FAILED_DUPLICATE_PACKAGE, "Packages declaring " 16892 + "static-shared libs cannot be updated"); 16893 return; 16894 } 16895 } 16896 replacePackageLIF(pkg, parseFlags, scanFlags, args.user, 16897 installerPackageName, res, args.installReason); 16898 } else { 16899 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 16900 args.user, installerPackageName, volumeUuid, res, args.installReason); 16901 } 16902 } 16903 16904 // Prepare the application profiles for the new code paths. 16905 // This needs to be done before invoking dexopt so that any install-time profile 16906 // can be used for optimizations. 16907 mArtManagerService.prepareAppProfiles(pkg, args.user.getIdentifier()); 16908 16909 // Check whether we need to dexopt the app. 16910 // 16911 // NOTE: it is IMPORTANT to call dexopt: 16912 // - after doRename which will sync the package data from PackageParser.Package and its 16913 // corresponding ApplicationInfo. 16914 // - after installNewPackageLIF or replacePackageLIF which will update result with the 16915 // uid of the application (pkg.applicationInfo.uid). 16916 // This update happens in place! 16917 // 16918 // We only need to dexopt if the package meets ALL of the following conditions: 16919 // 1) it is not forward locked. 16920 // 2) it is not on on an external ASEC container. 16921 // 3) it is not an instant app or if it is then dexopt is enabled via gservices. 16922 // 16923 // Note that we do not dexopt instant apps by default. dexopt can take some time to 16924 // complete, so we skip this step during installation. Instead, we'll take extra time 16925 // the first time the instant app starts. It's preferred to do it this way to provide 16926 // continuous progress to the useur instead of mysteriously blocking somewhere in the 16927 // middle of running an instant app. The default behaviour can be overridden 16928 // via gservices. 16929 final boolean performDexopt = (res.returnCode == PackageManager.INSTALL_SUCCEEDED) 16930 && !forwardLocked 16931 && !pkg.applicationInfo.isExternalAsec() 16932 && (!instantApp || Global.getInt(mContext.getContentResolver(), 16933 Global.INSTANT_APP_DEXOPT_ENABLED, 0) != 0); 16934 16935 if (performDexopt) { 16936 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 16937 // Do not run PackageDexOptimizer through the local performDexOpt 16938 // method because `pkg` may not be in `mPackages` yet. 16939 // 16940 // Also, don't fail application installs if the dexopt step fails. 16941 DexoptOptions dexoptOptions = new DexoptOptions(pkg.packageName, 16942 REASON_INSTALL, 16943 DexoptOptions.DEXOPT_BOOT_COMPLETE); 16944 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 16945 null /* instructionSets */, 16946 getOrCreateCompilerPackageStats(pkg), 16947 mDexManager.getPackageUseInfoOrDefault(pkg.packageName), 16948 dexoptOptions); 16949 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16950 } 16951 16952 // Notify BackgroundDexOptService that the package has been changed. 16953 // If this is an update of a package which used to fail to compile, 16954 // BackgroundDexOptService will remove it from its blacklist. 16955 // TODO: Layering violation 16956 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 16957 16958 synchronized (mPackages) { 16959 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16960 if (ps != null) { 16961 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 16962 ps.setUpdateAvailable(false /*updateAvailable*/); 16963 } 16964 16965 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16966 for (int i = 0; i < childCount; i++) { 16967 PackageParser.Package childPkg = pkg.childPackages.get(i); 16968 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 16969 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 16970 if (childPs != null) { 16971 childRes.newUsers = childPs.queryInstalledUsers( 16972 sUserManager.getUserIds(), true); 16973 } 16974 } 16975 16976 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 16977 updateSequenceNumberLP(ps, res.newUsers); 16978 updateInstantAppInstallerLocked(pkgName); 16979 } 16980 } 16981 } 16982 16983 private void startIntentFilterVerifications(int userId, boolean replacing, 16984 PackageParser.Package pkg) { 16985 if (mIntentFilterVerifierComponent == null) { 16986 Slog.w(TAG, "No IntentFilter verification will not be done as " 16987 + "there is no IntentFilterVerifier available!"); 16988 return; 16989 } 16990 16991 final int verifierUid = getPackageUid( 16992 mIntentFilterVerifierComponent.getPackageName(), 16993 MATCH_DEBUG_TRIAGED_MISSING, 16994 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 16995 16996 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 16997 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 16998 mHandler.sendMessage(msg); 16999 17000 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 17001 for (int i = 0; i < childCount; i++) { 17002 PackageParser.Package childPkg = pkg.childPackages.get(i); 17003 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 17004 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 17005 mHandler.sendMessage(msg); 17006 } 17007 } 17008 17009 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 17010 PackageParser.Package pkg) { 17011 int size = pkg.activities.size(); 17012 if (size == 0) { 17013 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 17014 "No activity, so no need to verify any IntentFilter!"); 17015 return; 17016 } 17017 17018 final boolean hasDomainURLs = hasDomainURLs(pkg); 17019 if (!hasDomainURLs) { 17020 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 17021 "No domain URLs, so no need to verify any IntentFilter!"); 17022 return; 17023 } 17024 17025 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 17026 + " if any IntentFilter from the " + size 17027 + " Activities needs verification ..."); 17028 17029 int count = 0; 17030 final String packageName = pkg.packageName; 17031 17032 synchronized (mPackages) { 17033 // If this is a new install and we see that we've already run verification for this 17034 // package, we have nothing to do: it means the state was restored from backup. 17035 if (!replacing) { 17036 IntentFilterVerificationInfo ivi = 17037 mSettings.getIntentFilterVerificationLPr(packageName); 17038 if (ivi != null) { 17039 if (DEBUG_DOMAIN_VERIFICATION) { 17040 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 17041 + ivi.getStatusString()); 17042 } 17043 return; 17044 } 17045 } 17046 17047 // If any filters need to be verified, then all need to be. 17048 boolean needToVerify = false; 17049 for (PackageParser.Activity a : pkg.activities) { 17050 for (ActivityIntentInfo filter : a.intents) { 17051 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 17052 if (DEBUG_DOMAIN_VERIFICATION) { 17053 Slog.d(TAG, 17054 "Intent filter needs verification, so processing all filters"); 17055 } 17056 needToVerify = true; 17057 break; 17058 } 17059 } 17060 } 17061 17062 if (needToVerify) { 17063 final int verificationId = mIntentFilterVerificationToken++; 17064 for (PackageParser.Activity a : pkg.activities) { 17065 for (ActivityIntentInfo filter : a.intents) { 17066 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 17067 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 17068 "Verification needed for IntentFilter:" + filter.toString()); 17069 mIntentFilterVerifier.addOneIntentFilterVerification( 17070 verifierUid, userId, verificationId, filter, packageName); 17071 count++; 17072 } 17073 } 17074 } 17075 } 17076 } 17077 17078 if (count > 0) { 17079 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 17080 + " IntentFilter verification" + (count > 1 ? "s" : "") 17081 + " for userId:" + userId); 17082 mIntentFilterVerifier.startVerifications(userId); 17083 } else { 17084 if (DEBUG_DOMAIN_VERIFICATION) { 17085 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 17086 } 17087 } 17088 } 17089 17090 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 17091 final ComponentName cn = filter.activity.getComponentName(); 17092 final String packageName = cn.getPackageName(); 17093 17094 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 17095 packageName); 17096 if (ivi == null) { 17097 return true; 17098 } 17099 int status = ivi.getStatus(); 17100 switch (status) { 17101 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 17102 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 17103 return true; 17104 17105 default: 17106 // Nothing to do 17107 return false; 17108 } 17109 } 17110 17111 private static boolean isMultiArch(ApplicationInfo info) { 17112 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 17113 } 17114 17115 private static boolean isExternal(PackageParser.Package pkg) { 17116 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 17117 } 17118 17119 private static boolean isExternal(PackageSetting ps) { 17120 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 17121 } 17122 17123 private static boolean isSystemApp(PackageParser.Package pkg) { 17124 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 17125 } 17126 17127 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 17128 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 17129 } 17130 17131 private static boolean isOemApp(PackageParser.Package pkg) { 17132 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_OEM) != 0; 17133 } 17134 17135 private static boolean isVendorApp(PackageParser.Package pkg) { 17136 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_VENDOR) != 0; 17137 } 17138 17139 private static boolean hasDomainURLs(PackageParser.Package pkg) { 17140 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 17141 } 17142 17143 private static boolean isSystemApp(PackageSetting ps) { 17144 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 17145 } 17146 17147 private static boolean isUpdatedSystemApp(PackageSetting ps) { 17148 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 17149 } 17150 17151 private int packageFlagsToInstallFlags(PackageSetting ps) { 17152 int installFlags = 0; 17153 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 17154 // This existing package was an external ASEC install when we have 17155 // the external flag without a UUID 17156 installFlags |= PackageManager.INSTALL_EXTERNAL; 17157 } 17158 if (ps.isForwardLocked()) { 17159 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 17160 } 17161 return installFlags; 17162 } 17163 17164 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 17165 if (isExternal(pkg)) { 17166 if (TextUtils.isEmpty(pkg.volumeUuid)) { 17167 return mSettings.getExternalVersion(); 17168 } else { 17169 return mSettings.findOrCreateVersion(pkg.volumeUuid); 17170 } 17171 } else { 17172 return mSettings.getInternalVersion(); 17173 } 17174 } 17175 17176 private void deleteTempPackageFiles() { 17177 final FilenameFilter filter = new FilenameFilter() { 17178 public boolean accept(File dir, String name) { 17179 return name.startsWith("vmdl") && name.endsWith(".tmp"); 17180 } 17181 }; 17182 for (File file : sDrmAppPrivateInstallDir.listFiles(filter)) { 17183 file.delete(); 17184 } 17185 } 17186 17187 @Override 17188 public void deletePackageAsUser(String packageName, int versionCode, 17189 IPackageDeleteObserver observer, int userId, int flags) { 17190 deletePackageVersioned(new VersionedPackage(packageName, versionCode), 17191 new LegacyPackageDeleteObserver(observer).getBinder(), userId, flags); 17192 } 17193 17194 @Override 17195 public void deletePackageVersioned(VersionedPackage versionedPackage, 17196 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 17197 final int callingUid = Binder.getCallingUid(); 17198 mContext.enforceCallingOrSelfPermission( 17199 android.Manifest.permission.DELETE_PACKAGES, null); 17200 final boolean canViewInstantApps = canViewInstantApps(callingUid, userId); 17201 Preconditions.checkNotNull(versionedPackage); 17202 Preconditions.checkNotNull(observer); 17203 Preconditions.checkArgumentInRange(versionedPackage.getLongVersionCode(), 17204 PackageManager.VERSION_CODE_HIGHEST, 17205 Long.MAX_VALUE, "versionCode must be >= -1"); 17206 17207 final String packageName = versionedPackage.getPackageName(); 17208 final long versionCode = versionedPackage.getLongVersionCode(); 17209 final String internalPackageName; 17210 synchronized (mPackages) { 17211 // Normalize package name to handle renamed packages and static libs 17212 internalPackageName = resolveInternalPackageNameLPr(packageName, versionCode); 17213 } 17214 17215 final int uid = Binder.getCallingUid(); 17216 if (!isOrphaned(internalPackageName) 17217 && !isCallerAllowedToSilentlyUninstall(uid, internalPackageName)) { 17218 try { 17219 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 17220 intent.setData(Uri.fromParts(PACKAGE_SCHEME, packageName, null)); 17221 intent.putExtra(PackageInstaller.EXTRA_CALLBACK, observer.asBinder()); 17222 observer.onUserActionRequired(intent); 17223 } catch (RemoteException re) { 17224 } 17225 return; 17226 } 17227 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 17228 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 17229 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 17230 mContext.enforceCallingOrSelfPermission( 17231 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 17232 "deletePackage for user " + userId); 17233 } 17234 17235 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 17236 try { 17237 observer.onPackageDeleted(packageName, 17238 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 17239 } catch (RemoteException re) { 17240 } 17241 return; 17242 } 17243 17244 if (!deleteAllUsers && getBlockUninstallForUser(internalPackageName, userId)) { 17245 try { 17246 observer.onPackageDeleted(packageName, 17247 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 17248 } catch (RemoteException re) { 17249 } 17250 return; 17251 } 17252 17253 if (DEBUG_REMOVE) { 17254 Slog.d(TAG, "deletePackageAsUser: pkg=" + internalPackageName + " user=" + userId 17255 + " deleteAllUsers: " + deleteAllUsers + " version=" 17256 + (versionCode == PackageManager.VERSION_CODE_HIGHEST 17257 ? "VERSION_CODE_HIGHEST" : versionCode)); 17258 } 17259 // Queue up an async operation since the package deletion may take a little while. 17260 mHandler.post(new Runnable() { 17261 public void run() { 17262 mHandler.removeCallbacks(this); 17263 int returnCode; 17264 final PackageSetting ps = mSettings.mPackages.get(internalPackageName); 17265 boolean doDeletePackage = true; 17266 if (ps != null) { 17267 final boolean targetIsInstantApp = 17268 ps.getInstantApp(UserHandle.getUserId(callingUid)); 17269 doDeletePackage = !targetIsInstantApp 17270 || canViewInstantApps; 17271 } 17272 if (doDeletePackage) { 17273 if (!deleteAllUsers) { 17274 returnCode = deletePackageX(internalPackageName, versionCode, 17275 userId, deleteFlags); 17276 } else { 17277 int[] blockUninstallUserIds = getBlockUninstallForUsers( 17278 internalPackageName, users); 17279 // If nobody is blocking uninstall, proceed with delete for all users 17280 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 17281 returnCode = deletePackageX(internalPackageName, versionCode, 17282 userId, deleteFlags); 17283 } else { 17284 // Otherwise uninstall individually for users with blockUninstalls=false 17285 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 17286 for (int userId : users) { 17287 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 17288 returnCode = deletePackageX(internalPackageName, versionCode, 17289 userId, userFlags); 17290 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 17291 Slog.w(TAG, "Package delete failed for user " + userId 17292 + ", returnCode " + returnCode); 17293 } 17294 } 17295 } 17296 // The app has only been marked uninstalled for certain users. 17297 // We still need to report that delete was blocked 17298 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 17299 } 17300 } 17301 } else { 17302 returnCode = PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17303 } 17304 try { 17305 observer.onPackageDeleted(packageName, returnCode, null); 17306 } catch (RemoteException e) { 17307 Log.i(TAG, "Observer no longer exists."); 17308 } //end catch 17309 } //end run 17310 }); 17311 } 17312 17313 private String resolveExternalPackageNameLPr(PackageParser.Package pkg) { 17314 if (pkg.staticSharedLibName != null) { 17315 return pkg.manifestPackageName; 17316 } 17317 return pkg.packageName; 17318 } 17319 17320 private String resolveInternalPackageNameLPr(String packageName, long versionCode) { 17321 // Handle renamed packages 17322 String normalizedPackageName = mSettings.getRenamedPackageLPr(packageName); 17323 packageName = normalizedPackageName != null ? normalizedPackageName : packageName; 17324 17325 // Is this a static library? 17326 LongSparseArray<SharedLibraryEntry> versionedLib = 17327 mStaticLibsByDeclaringPackage.get(packageName); 17328 if (versionedLib == null || versionedLib.size() <= 0) { 17329 return packageName; 17330 } 17331 17332 // Figure out which lib versions the caller can see 17333 LongSparseLongArray versionsCallerCanSee = null; 17334 final int callingAppId = UserHandle.getAppId(Binder.getCallingUid()); 17335 if (callingAppId != Process.SYSTEM_UID && callingAppId != Process.SHELL_UID 17336 && callingAppId != Process.ROOT_UID) { 17337 versionsCallerCanSee = new LongSparseLongArray(); 17338 String libName = versionedLib.valueAt(0).info.getName(); 17339 String[] uidPackages = getPackagesForUid(Binder.getCallingUid()); 17340 if (uidPackages != null) { 17341 for (String uidPackage : uidPackages) { 17342 PackageSetting ps = mSettings.getPackageLPr(uidPackage); 17343 final int libIdx = ArrayUtils.indexOf(ps.usesStaticLibraries, libName); 17344 if (libIdx >= 0) { 17345 final long libVersion = ps.usesStaticLibrariesVersions[libIdx]; 17346 versionsCallerCanSee.append(libVersion, libVersion); 17347 } 17348 } 17349 } 17350 } 17351 17352 // Caller can see nothing - done 17353 if (versionsCallerCanSee != null && versionsCallerCanSee.size() <= 0) { 17354 return packageName; 17355 } 17356 17357 // Find the version the caller can see and the app version code 17358 SharedLibraryEntry highestVersion = null; 17359 final int versionCount = versionedLib.size(); 17360 for (int i = 0; i < versionCount; i++) { 17361 SharedLibraryEntry libEntry = versionedLib.valueAt(i); 17362 if (versionsCallerCanSee != null && versionsCallerCanSee.indexOfKey( 17363 libEntry.info.getLongVersion()) < 0) { 17364 continue; 17365 } 17366 final long libVersionCode = libEntry.info.getDeclaringPackage().getLongVersionCode(); 17367 if (versionCode != PackageManager.VERSION_CODE_HIGHEST) { 17368 if (libVersionCode == versionCode) { 17369 return libEntry.apk; 17370 } 17371 } else if (highestVersion == null) { 17372 highestVersion = libEntry; 17373 } else if (libVersionCode > highestVersion.info 17374 .getDeclaringPackage().getLongVersionCode()) { 17375 highestVersion = libEntry; 17376 } 17377 } 17378 17379 if (highestVersion != null) { 17380 return highestVersion.apk; 17381 } 17382 17383 return packageName; 17384 } 17385 17386 boolean isCallerVerifier(int callingUid) { 17387 final int callingUserId = UserHandle.getUserId(callingUid); 17388 return mRequiredVerifierPackage != null && 17389 callingUid == getPackageUid(mRequiredVerifierPackage, 0, callingUserId); 17390 } 17391 17392 private boolean isCallerAllowedToSilentlyUninstall(int callingUid, String pkgName) { 17393 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID 17394 || UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17395 return true; 17396 } 17397 final int callingUserId = UserHandle.getUserId(callingUid); 17398 // If the caller installed the pkgName, then allow it to silently uninstall. 17399 if (callingUid == getPackageUid(getInstallerPackageName(pkgName), 0, callingUserId)) { 17400 return true; 17401 } 17402 17403 // Allow package verifier to silently uninstall. 17404 if (mRequiredVerifierPackage != null && 17405 callingUid == getPackageUid(mRequiredVerifierPackage, 0, callingUserId)) { 17406 return true; 17407 } 17408 17409 // Allow package uninstaller to silently uninstall. 17410 if (mRequiredUninstallerPackage != null && 17411 callingUid == getPackageUid(mRequiredUninstallerPackage, 0, callingUserId)) { 17412 return true; 17413 } 17414 17415 // Allow storage manager to silently uninstall. 17416 if (mStorageManagerPackage != null && 17417 callingUid == getPackageUid(mStorageManagerPackage, 0, callingUserId)) { 17418 return true; 17419 } 17420 17421 // Allow caller having MANAGE_PROFILE_AND_DEVICE_OWNERS permission to silently 17422 // uninstall for device owner provisioning. 17423 if (checkUidPermission(MANAGE_PROFILE_AND_DEVICE_OWNERS, callingUid) 17424 == PERMISSION_GRANTED) { 17425 return true; 17426 } 17427 17428 return false; 17429 } 17430 17431 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 17432 int[] result = EMPTY_INT_ARRAY; 17433 for (int userId : userIds) { 17434 if (getBlockUninstallForUser(packageName, userId)) { 17435 result = ArrayUtils.appendInt(result, userId); 17436 } 17437 } 17438 return result; 17439 } 17440 17441 @Override 17442 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 17443 final int callingUid = Binder.getCallingUid(); 17444 if (getInstantAppPackageName(callingUid) != null 17445 && !isCallerSameApp(packageName, callingUid)) { 17446 return false; 17447 } 17448 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 17449 } 17450 17451 private boolean isPackageDeviceAdmin(String packageName, int userId) { 17452 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 17453 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 17454 try { 17455 if (dpm != null) { 17456 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 17457 /* callingUserOnly =*/ false); 17458 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 17459 : deviceOwnerComponentName.getPackageName(); 17460 // Does the package contains the device owner? 17461 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 17462 // this check is probably not needed, since DO should be registered as a device 17463 // admin on some user too. (Original bug for this: b/17657954) 17464 if (packageName.equals(deviceOwnerPackageName)) { 17465 return true; 17466 } 17467 // Does it contain a device admin for any user? 17468 int[] users; 17469 if (userId == UserHandle.USER_ALL) { 17470 users = sUserManager.getUserIds(); 17471 } else { 17472 users = new int[]{userId}; 17473 } 17474 for (int i = 0; i < users.length; ++i) { 17475 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 17476 return true; 17477 } 17478 } 17479 } 17480 } catch (RemoteException e) { 17481 } 17482 return false; 17483 } 17484 17485 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 17486 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 17487 } 17488 17489 /** 17490 * This method is an internal method that could be get invoked either 17491 * to delete an installed package or to clean up a failed installation. 17492 * After deleting an installed package, a broadcast is sent to notify any 17493 * listeners that the package has been removed. For cleaning up a failed 17494 * installation, the broadcast is not necessary since the package's 17495 * installation wouldn't have sent the initial broadcast either 17496 * The key steps in deleting a package are 17497 * deleting the package information in internal structures like mPackages, 17498 * deleting the packages base directories through installd 17499 * updating mSettings to reflect current status 17500 * persisting settings for later use 17501 * sending a broadcast if necessary 17502 */ 17503 int deletePackageX(String packageName, long versionCode, int userId, int deleteFlags) { 17504 final PackageRemovedInfo info = new PackageRemovedInfo(this); 17505 final boolean res; 17506 17507 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 17508 ? UserHandle.USER_ALL : userId; 17509 17510 if (isPackageDeviceAdmin(packageName, removeUser)) { 17511 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 17512 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 17513 } 17514 17515 PackageSetting uninstalledPs = null; 17516 PackageParser.Package pkg = null; 17517 17518 // for the uninstall-updates case and restricted profiles, remember the per- 17519 // user handle installed state 17520 int[] allUsers; 17521 synchronized (mPackages) { 17522 uninstalledPs = mSettings.mPackages.get(packageName); 17523 if (uninstalledPs == null) { 17524 Slog.w(TAG, "Not removing non-existent package " + packageName); 17525 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17526 } 17527 17528 if (versionCode != PackageManager.VERSION_CODE_HIGHEST 17529 && uninstalledPs.versionCode != versionCode) { 17530 Slog.w(TAG, "Not removing package " + packageName + " with versionCode " 17531 + uninstalledPs.versionCode + " != " + versionCode); 17532 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17533 } 17534 17535 // Static shared libs can be declared by any package, so let us not 17536 // allow removing a package if it provides a lib others depend on. 17537 pkg = mPackages.get(packageName); 17538 17539 allUsers = sUserManager.getUserIds(); 17540 17541 if (pkg != null && pkg.staticSharedLibName != null) { 17542 SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(pkg.staticSharedLibName, 17543 pkg.staticSharedLibVersion); 17544 if (libEntry != null) { 17545 for (int currUserId : allUsers) { 17546 if (removeUser != UserHandle.USER_ALL && removeUser != currUserId) { 17547 continue; 17548 } 17549 List<VersionedPackage> libClientPackages = getPackagesUsingSharedLibraryLPr( 17550 libEntry.info, 0, currUserId); 17551 if (!ArrayUtils.isEmpty(libClientPackages)) { 17552 Slog.w(TAG, "Not removing package " + pkg.manifestPackageName 17553 + " hosting lib " + libEntry.info.getName() + " version " 17554 + libEntry.info.getLongVersion() + " used by " + libClientPackages 17555 + " for user " + currUserId); 17556 return PackageManager.DELETE_FAILED_USED_SHARED_LIBRARY; 17557 } 17558 } 17559 } 17560 } 17561 17562 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 17563 } 17564 17565 final int freezeUser; 17566 if (isUpdatedSystemApp(uninstalledPs) 17567 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 17568 // We're downgrading a system app, which will apply to all users, so 17569 // freeze them all during the downgrade 17570 freezeUser = UserHandle.USER_ALL; 17571 } else { 17572 freezeUser = removeUser; 17573 } 17574 17575 synchronized (mInstallLock) { 17576 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 17577 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 17578 deleteFlags, "deletePackageX")) { 17579 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 17580 deleteFlags | PackageManager.DELETE_CHATTY, info, true, null); 17581 } 17582 synchronized (mPackages) { 17583 if (res) { 17584 if (pkg != null) { 17585 mInstantAppRegistry.onPackageUninstalledLPw(pkg, info.removedUsers); 17586 } 17587 updateSequenceNumberLP(uninstalledPs, info.removedUsers); 17588 updateInstantAppInstallerLocked(packageName); 17589 } 17590 } 17591 } 17592 17593 if (res) { 17594 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 17595 info.sendPackageRemovedBroadcasts(killApp); 17596 info.sendSystemPackageUpdatedBroadcasts(); 17597 info.sendSystemPackageAppearedBroadcasts(); 17598 } 17599 // Force a gc here. 17600 Runtime.getRuntime().gc(); 17601 // Delete the resources here after sending the broadcast to let 17602 // other processes clean up before deleting resources. 17603 if (info.args != null) { 17604 synchronized (mInstallLock) { 17605 info.args.doPostDeleteLI(true); 17606 } 17607 } 17608 17609 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17610 } 17611 17612 static class PackageRemovedInfo { 17613 final PackageSender packageSender; 17614 String removedPackage; 17615 String installerPackageName; 17616 int uid = -1; 17617 int removedAppId = -1; 17618 int[] origUsers; 17619 int[] removedUsers = null; 17620 int[] broadcastUsers = null; 17621 int[] instantUserIds = null; 17622 SparseArray<Integer> installReasons; 17623 boolean isRemovedPackageSystemUpdate = false; 17624 boolean isUpdate; 17625 boolean dataRemoved; 17626 boolean removedForAllUsers; 17627 boolean isStaticSharedLib; 17628 // Clean up resources deleted packages. 17629 InstallArgs args = null; 17630 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 17631 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 17632 17633 PackageRemovedInfo(PackageSender packageSender) { 17634 this.packageSender = packageSender; 17635 } 17636 17637 void sendPackageRemovedBroadcasts(boolean killApp) { 17638 sendPackageRemovedBroadcastInternal(killApp); 17639 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 17640 for (int i = 0; i < childCount; i++) { 17641 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 17642 childInfo.sendPackageRemovedBroadcastInternal(killApp); 17643 } 17644 } 17645 17646 void sendSystemPackageUpdatedBroadcasts() { 17647 if (isRemovedPackageSystemUpdate) { 17648 sendSystemPackageUpdatedBroadcastsInternal(); 17649 final int childCount = (removedChildPackages != null) 17650 ? removedChildPackages.size() : 0; 17651 for (int i = 0; i < childCount; i++) { 17652 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 17653 if (childInfo.isRemovedPackageSystemUpdate) { 17654 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 17655 } 17656 } 17657 } 17658 } 17659 17660 void sendSystemPackageAppearedBroadcasts() { 17661 final int packageCount = (appearedChildPackages != null) 17662 ? appearedChildPackages.size() : 0; 17663 for (int i = 0; i < packageCount; i++) { 17664 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 17665 packageSender.sendPackageAddedForNewUsers(installedInfo.name, 17666 true /*sendBootCompleted*/, false /*startReceiver*/, 17667 UserHandle.getAppId(installedInfo.uid), installedInfo.newUsers, null); 17668 } 17669 } 17670 17671 private void sendSystemPackageUpdatedBroadcastsInternal() { 17672 Bundle extras = new Bundle(2); 17673 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 17674 extras.putBoolean(Intent.EXTRA_REPLACING, true); 17675 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 17676 removedPackage, extras, 0, null /*targetPackage*/, null, null, null); 17677 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 17678 removedPackage, extras, 0, null /*targetPackage*/, null, null, null); 17679 packageSender.sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 17680 null, null, 0, removedPackage, null, null, null); 17681 if (installerPackageName != null) { 17682 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 17683 removedPackage, extras, 0 /*flags*/, 17684 installerPackageName, null, null, null); 17685 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 17686 removedPackage, extras, 0 /*flags*/, 17687 installerPackageName, null, null, null); 17688 } 17689 } 17690 17691 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 17692 // Don't send static shared library removal broadcasts as these 17693 // libs are visible only the the apps that depend on them an one 17694 // cannot remove the library if it has a dependency. 17695 if (isStaticSharedLib) { 17696 return; 17697 } 17698 Bundle extras = new Bundle(2); 17699 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 17700 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 17701 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 17702 if (isUpdate || isRemovedPackageSystemUpdate) { 17703 extras.putBoolean(Intent.EXTRA_REPLACING, true); 17704 } 17705 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 17706 if (removedPackage != null) { 17707 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, 17708 removedPackage, extras, 0, null /*targetPackage*/, null, 17709 broadcastUsers, instantUserIds); 17710 if (installerPackageName != null) { 17711 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, 17712 removedPackage, extras, 0 /*flags*/, 17713 installerPackageName, null, broadcastUsers, instantUserIds); 17714 } 17715 if (dataRemoved && !isRemovedPackageSystemUpdate) { 17716 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 17717 removedPackage, extras, 17718 Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND, 17719 null, null, broadcastUsers, instantUserIds); 17720 packageSender.notifyPackageRemoved(removedPackage); 17721 } 17722 } 17723 if (removedAppId >= 0) { 17724 packageSender.sendPackageBroadcast(Intent.ACTION_UID_REMOVED, 17725 null, extras, Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND, 17726 null, null, broadcastUsers, instantUserIds); 17727 } 17728 } 17729 17730 void populateUsers(int[] userIds, PackageSetting deletedPackageSetting) { 17731 removedUsers = userIds; 17732 if (removedUsers == null) { 17733 broadcastUsers = null; 17734 return; 17735 } 17736 17737 broadcastUsers = EMPTY_INT_ARRAY; 17738 instantUserIds = EMPTY_INT_ARRAY; 17739 for (int i = userIds.length - 1; i >= 0; --i) { 17740 final int userId = userIds[i]; 17741 if (deletedPackageSetting.getInstantApp(userId)) { 17742 instantUserIds = ArrayUtils.appendInt(instantUserIds, userId); 17743 } else { 17744 broadcastUsers = ArrayUtils.appendInt(broadcastUsers, userId); 17745 } 17746 } 17747 } 17748 } 17749 17750 /* 17751 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 17752 * flag is not set, the data directory is removed as well. 17753 * make sure this flag is set for partially installed apps. If not its meaningless to 17754 * delete a partially installed application. 17755 */ 17756 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 17757 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 17758 String packageName = ps.name; 17759 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 17760 // Retrieve object to delete permissions for shared user later on 17761 final PackageParser.Package deletedPkg; 17762 final PackageSetting deletedPs; 17763 // reader 17764 synchronized (mPackages) { 17765 deletedPkg = mPackages.get(packageName); 17766 deletedPs = mSettings.mPackages.get(packageName); 17767 if (outInfo != null) { 17768 outInfo.removedPackage = packageName; 17769 outInfo.installerPackageName = ps.installerPackageName; 17770 outInfo.isStaticSharedLib = deletedPkg != null 17771 && deletedPkg.staticSharedLibName != null; 17772 outInfo.populateUsers(deletedPs == null ? null 17773 : deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true), deletedPs); 17774 } 17775 } 17776 17777 removePackageLI(ps, (flags & PackageManager.DELETE_CHATTY) != 0); 17778 17779 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 17780 final PackageParser.Package resolvedPkg; 17781 if (deletedPkg != null) { 17782 resolvedPkg = deletedPkg; 17783 } else { 17784 // We don't have a parsed package when it lives on an ejected 17785 // adopted storage device, so fake something together 17786 resolvedPkg = new PackageParser.Package(ps.name); 17787 resolvedPkg.setVolumeUuid(ps.volumeUuid); 17788 } 17789 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 17790 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 17791 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 17792 if (outInfo != null) { 17793 outInfo.dataRemoved = true; 17794 } 17795 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 17796 } 17797 17798 int removedAppId = -1; 17799 17800 // writer 17801 synchronized (mPackages) { 17802 boolean installedStateChanged = false; 17803 if (deletedPs != null) { 17804 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 17805 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 17806 clearDefaultBrowserIfNeeded(packageName); 17807 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 17808 removedAppId = mSettings.removePackageLPw(packageName); 17809 if (outInfo != null) { 17810 outInfo.removedAppId = removedAppId; 17811 } 17812 mPermissionManager.updatePermissions( 17813 deletedPs.name, null, false, mPackages.values(), mPermissionCallback); 17814 if (deletedPs.sharedUser != null) { 17815 // Remove permissions associated with package. Since runtime 17816 // permissions are per user we have to kill the removed package 17817 // or packages running under the shared user of the removed 17818 // package if revoking the permissions requested only by the removed 17819 // package is successful and this causes a change in gids. 17820 for (int userId : UserManagerService.getInstance().getUserIds()) { 17821 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 17822 userId); 17823 if (userIdToKill == UserHandle.USER_ALL 17824 || userIdToKill >= UserHandle.USER_SYSTEM) { 17825 // If gids changed for this user, kill all affected packages. 17826 mHandler.post(new Runnable() { 17827 @Override 17828 public void run() { 17829 // This has to happen with no lock held. 17830 killApplication(deletedPs.name, deletedPs.appId, 17831 KILL_APP_REASON_GIDS_CHANGED); 17832 } 17833 }); 17834 break; 17835 } 17836 } 17837 } 17838 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 17839 } 17840 // make sure to preserve per-user disabled state if this removal was just 17841 // a downgrade of a system app to the factory package 17842 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 17843 if (DEBUG_REMOVE) { 17844 Slog.d(TAG, "Propagating install state across downgrade"); 17845 } 17846 for (int userId : allUserHandles) { 17847 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 17848 if (DEBUG_REMOVE) { 17849 Slog.d(TAG, " user " + userId + " => " + installed); 17850 } 17851 if (installed != ps.getInstalled(userId)) { 17852 installedStateChanged = true; 17853 } 17854 ps.setInstalled(installed, userId); 17855 } 17856 } 17857 } 17858 // can downgrade to reader 17859 if (writeSettings) { 17860 // Save settings now 17861 mSettings.writeLPr(); 17862 } 17863 if (installedStateChanged) { 17864 mSettings.writeKernelMappingLPr(ps); 17865 } 17866 } 17867 if (removedAppId != -1) { 17868 // A user ID was deleted here. Go through all users and remove it 17869 // from KeyStore. 17870 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, removedAppId); 17871 } 17872 } 17873 17874 static boolean locationIsPrivileged(String path) { 17875 try { 17876 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 17877 final File privilegedVendorAppDir = new File(Environment.getVendorDirectory(), "priv-app"); 17878 return path.startsWith(privilegedAppDir.getCanonicalPath()) 17879 || path.startsWith(privilegedVendorAppDir.getCanonicalPath()); 17880 } catch (IOException e) { 17881 Slog.e(TAG, "Unable to access code path " + path); 17882 } 17883 return false; 17884 } 17885 17886 static boolean locationIsOem(String path) { 17887 try { 17888 return path.startsWith(Environment.getOemDirectory().getCanonicalPath()); 17889 } catch (IOException e) { 17890 Slog.e(TAG, "Unable to access code path " + path); 17891 } 17892 return false; 17893 } 17894 17895 static boolean locationIsVendor(String path) { 17896 try { 17897 return path.startsWith(Environment.getVendorDirectory().getCanonicalPath()); 17898 } catch (IOException e) { 17899 Slog.e(TAG, "Unable to access code path " + path); 17900 } 17901 return false; 17902 } 17903 17904 /* 17905 * Tries to delete system package. 17906 */ 17907 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 17908 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 17909 boolean writeSettings) { 17910 if (deletedPs.parentPackageName != null) { 17911 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 17912 return false; 17913 } 17914 17915 final boolean applyUserRestrictions 17916 = (allUserHandles != null) && (outInfo.origUsers != null); 17917 final PackageSetting disabledPs; 17918 // Confirm if the system package has been updated 17919 // An updated system app can be deleted. This will also have to restore 17920 // the system pkg from system partition 17921 // reader 17922 synchronized (mPackages) { 17923 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 17924 } 17925 17926 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 17927 + " disabledPs=" + disabledPs); 17928 17929 if (disabledPs == null) { 17930 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 17931 return false; 17932 } else if (DEBUG_REMOVE) { 17933 Slog.d(TAG, "Deleting system pkg from data partition"); 17934 } 17935 17936 if (DEBUG_REMOVE) { 17937 if (applyUserRestrictions) { 17938 Slog.d(TAG, "Remembering install states:"); 17939 for (int userId : allUserHandles) { 17940 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 17941 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 17942 } 17943 } 17944 } 17945 17946 // Delete the updated package 17947 outInfo.isRemovedPackageSystemUpdate = true; 17948 if (outInfo.removedChildPackages != null) { 17949 final int childCount = (deletedPs.childPackageNames != null) 17950 ? deletedPs.childPackageNames.size() : 0; 17951 for (int i = 0; i < childCount; i++) { 17952 String childPackageName = deletedPs.childPackageNames.get(i); 17953 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 17954 .contains(childPackageName)) { 17955 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 17956 childPackageName); 17957 if (childInfo != null) { 17958 childInfo.isRemovedPackageSystemUpdate = true; 17959 } 17960 } 17961 } 17962 } 17963 17964 if (disabledPs.versionCode < deletedPs.versionCode) { 17965 // Delete data for downgrades 17966 flags &= ~PackageManager.DELETE_KEEP_DATA; 17967 } else { 17968 // Preserve data by setting flag 17969 flags |= PackageManager.DELETE_KEEP_DATA; 17970 } 17971 17972 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 17973 outInfo, writeSettings, disabledPs.pkg); 17974 if (!ret) { 17975 return false; 17976 } 17977 17978 // writer 17979 synchronized (mPackages) { 17980 // NOTE: The system package always needs to be enabled; even if it's for 17981 // a compressed stub. If we don't, installing the system package fails 17982 // during scan [scanning checks the disabled packages]. We will reverse 17983 // this later, after we've "installed" the stub. 17984 // Reinstate the old system package 17985 enableSystemPackageLPw(disabledPs.pkg); 17986 // Remove any native libraries from the upgraded package. 17987 removeNativeBinariesLI(deletedPs); 17988 } 17989 17990 // Install the system package 17991 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 17992 try { 17993 installPackageFromSystemLIF(disabledPs.codePathString, false, allUserHandles, 17994 outInfo.origUsers, deletedPs.getPermissionsState(), writeSettings); 17995 } catch (PackageManagerException e) { 17996 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 17997 + e.getMessage()); 17998 return false; 17999 } finally { 18000 if (disabledPs.pkg.isStub) { 18001 mSettings.disableSystemPackageLPw(disabledPs.name, true /*replaced*/); 18002 } 18003 } 18004 return true; 18005 } 18006 18007 /** 18008 * Installs a package that's already on the system partition. 18009 */ 18010 private PackageParser.Package installPackageFromSystemLIF(@NonNull String codePathString, 18011 boolean isPrivileged, @Nullable int[] allUserHandles, @Nullable int[] origUserHandles, 18012 @Nullable PermissionsState origPermissionState, boolean writeSettings) 18013 throws PackageManagerException { 18014 @ParseFlags int parseFlags = 18015 mDefParseFlags 18016 | PackageParser.PARSE_MUST_BE_APK 18017 | PackageParser.PARSE_IS_SYSTEM_DIR; 18018 @ScanFlags int scanFlags = SCAN_AS_SYSTEM; 18019 if (isPrivileged || locationIsPrivileged(codePathString)) { 18020 scanFlags |= SCAN_AS_PRIVILEGED; 18021 } 18022 if (locationIsOem(codePathString)) { 18023 scanFlags |= SCAN_AS_OEM; 18024 } 18025 if (locationIsVendor(codePathString)) { 18026 scanFlags |= SCAN_AS_VENDOR; 18027 } 18028 18029 final File codePath = new File(codePathString); 18030 final PackageParser.Package pkg = 18031 scanPackageTracedLI(codePath, parseFlags, scanFlags, 0 /*currentTime*/, null); 18032 18033 try { 18034 // update shared libraries for the newly re-installed system package 18035 updateSharedLibrariesLPr(pkg, null); 18036 } catch (PackageManagerException e) { 18037 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 18038 } 18039 18040 prepareAppDataAfterInstallLIF(pkg); 18041 18042 // writer 18043 synchronized (mPackages) { 18044 PackageSetting ps = mSettings.mPackages.get(pkg.packageName); 18045 18046 // Propagate the permissions state as we do not want to drop on the floor 18047 // runtime permissions. The update permissions method below will take 18048 // care of removing obsolete permissions and grant install permissions. 18049 if (origPermissionState != null) { 18050 ps.getPermissionsState().copyFrom(origPermissionState); 18051 } 18052 mPermissionManager.updatePermissions(pkg.packageName, pkg, true, mPackages.values(), 18053 mPermissionCallback); 18054 18055 final boolean applyUserRestrictions 18056 = (allUserHandles != null) && (origUserHandles != null); 18057 if (applyUserRestrictions) { 18058 boolean installedStateChanged = false; 18059 if (DEBUG_REMOVE) { 18060 Slog.d(TAG, "Propagating install state across reinstall"); 18061 } 18062 for (int userId : allUserHandles) { 18063 final boolean installed = ArrayUtils.contains(origUserHandles, userId); 18064 if (DEBUG_REMOVE) { 18065 Slog.d(TAG, " user " + userId + " => " + installed); 18066 } 18067 if (installed != ps.getInstalled(userId)) { 18068 installedStateChanged = true; 18069 } 18070 ps.setInstalled(installed, userId); 18071 18072 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 18073 } 18074 // Regardless of writeSettings we need to ensure that this restriction 18075 // state propagation is persisted 18076 mSettings.writeAllUsersPackageRestrictionsLPr(); 18077 if (installedStateChanged) { 18078 mSettings.writeKernelMappingLPr(ps); 18079 } 18080 } 18081 // can downgrade to reader here 18082 if (writeSettings) { 18083 mSettings.writeLPr(); 18084 } 18085 } 18086 return pkg; 18087 } 18088 18089 private boolean deleteInstalledPackageLIF(PackageSetting ps, 18090 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 18091 PackageRemovedInfo outInfo, boolean writeSettings, 18092 PackageParser.Package replacingPackage) { 18093 synchronized (mPackages) { 18094 if (outInfo != null) { 18095 outInfo.uid = ps.appId; 18096 } 18097 18098 if (outInfo != null && outInfo.removedChildPackages != null) { 18099 final int childCount = (ps.childPackageNames != null) 18100 ? ps.childPackageNames.size() : 0; 18101 for (int i = 0; i < childCount; i++) { 18102 String childPackageName = ps.childPackageNames.get(i); 18103 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 18104 if (childPs == null) { 18105 return false; 18106 } 18107 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 18108 childPackageName); 18109 if (childInfo != null) { 18110 childInfo.uid = childPs.appId; 18111 } 18112 } 18113 } 18114 } 18115 18116 // Delete package data from internal structures and also remove data if flag is set 18117 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 18118 18119 // Delete the child packages data 18120 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 18121 for (int i = 0; i < childCount; i++) { 18122 PackageSetting childPs; 18123 synchronized (mPackages) { 18124 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 18125 } 18126 if (childPs != null) { 18127 PackageRemovedInfo childOutInfo = (outInfo != null 18128 && outInfo.removedChildPackages != null) 18129 ? outInfo.removedChildPackages.get(childPs.name) : null; 18130 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 18131 && (replacingPackage != null 18132 && !replacingPackage.hasChildPackage(childPs.name)) 18133 ? flags & ~DELETE_KEEP_DATA : flags; 18134 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 18135 deleteFlags, writeSettings); 18136 } 18137 } 18138 18139 // Delete application code and resources only for parent packages 18140 if (ps.parentPackageName == null) { 18141 if (deleteCodeAndResources && (outInfo != null)) { 18142 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 18143 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 18144 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 18145 } 18146 } 18147 18148 return true; 18149 } 18150 18151 @Override 18152 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 18153 int userId) { 18154 mContext.enforceCallingOrSelfPermission( 18155 android.Manifest.permission.DELETE_PACKAGES, null); 18156 synchronized (mPackages) { 18157 // Cannot block uninstall of static shared libs as they are 18158 // considered a part of the using app (emulating static linking). 18159 // Also static libs are installed always on internal storage. 18160 PackageParser.Package pkg = mPackages.get(packageName); 18161 if (pkg != null && pkg.staticSharedLibName != null) { 18162 Slog.w(TAG, "Cannot block uninstall of package: " + packageName 18163 + " providing static shared library: " + pkg.staticSharedLibName); 18164 return false; 18165 } 18166 mSettings.setBlockUninstallLPw(userId, packageName, blockUninstall); 18167 mSettings.writePackageRestrictionsLPr(userId); 18168 } 18169 return true; 18170 } 18171 18172 @Override 18173 public boolean getBlockUninstallForUser(String packageName, int userId) { 18174 synchronized (mPackages) { 18175 final PackageSetting ps = mSettings.mPackages.get(packageName); 18176 if (ps == null || filterAppAccessLPr(ps, Binder.getCallingUid(), userId)) { 18177 return false; 18178 } 18179 return mSettings.getBlockUninstallLPr(userId, packageName); 18180 } 18181 } 18182 18183 @Override 18184 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 18185 enforceSystemOrRoot("setRequiredForSystemUser can only be run by the system or root"); 18186 synchronized (mPackages) { 18187 PackageSetting ps = mSettings.mPackages.get(packageName); 18188 if (ps == null) { 18189 Log.w(TAG, "Package doesn't exist: " + packageName); 18190 return false; 18191 } 18192 if (systemUserApp) { 18193 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 18194 } else { 18195 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 18196 } 18197 mSettings.writeLPr(); 18198 } 18199 return true; 18200 } 18201 18202 /* 18203 * This method handles package deletion in general 18204 */ 18205 private boolean deletePackageLIF(String packageName, UserHandle user, 18206 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 18207 PackageRemovedInfo outInfo, boolean writeSettings, 18208 PackageParser.Package replacingPackage) { 18209 if (packageName == null) { 18210 Slog.w(TAG, "Attempt to delete null packageName."); 18211 return false; 18212 } 18213 18214 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 18215 18216 PackageSetting ps; 18217 synchronized (mPackages) { 18218 ps = mSettings.mPackages.get(packageName); 18219 if (ps == null) { 18220 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 18221 return false; 18222 } 18223 18224 if (ps.parentPackageName != null && (!isSystemApp(ps) 18225 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 18226 if (DEBUG_REMOVE) { 18227 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 18228 + ((user == null) ? UserHandle.USER_ALL : user)); 18229 } 18230 final int removedUserId = (user != null) ? user.getIdentifier() 18231 : UserHandle.USER_ALL; 18232 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 18233 return false; 18234 } 18235 markPackageUninstalledForUserLPw(ps, user); 18236 scheduleWritePackageRestrictionsLocked(user); 18237 return true; 18238 } 18239 } 18240 18241 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 18242 && user.getIdentifier() != UserHandle.USER_ALL)) { 18243 // The caller is asking that the package only be deleted for a single 18244 // user. To do this, we just mark its uninstalled state and delete 18245 // its data. If this is a system app, we only allow this to happen if 18246 // they have set the special DELETE_SYSTEM_APP which requests different 18247 // semantics than normal for uninstalling system apps. 18248 markPackageUninstalledForUserLPw(ps, user); 18249 18250 if (!isSystemApp(ps)) { 18251 // Do not uninstall the APK if an app should be cached 18252 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 18253 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 18254 // Other user still have this package installed, so all 18255 // we need to do is clear this user's data and save that 18256 // it is uninstalled. 18257 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 18258 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 18259 return false; 18260 } 18261 scheduleWritePackageRestrictionsLocked(user); 18262 return true; 18263 } else { 18264 // We need to set it back to 'installed' so the uninstall 18265 // broadcasts will be sent correctly. 18266 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 18267 ps.setInstalled(true, user.getIdentifier()); 18268 mSettings.writeKernelMappingLPr(ps); 18269 } 18270 } else { 18271 // This is a system app, so we assume that the 18272 // other users still have this package installed, so all 18273 // we need to do is clear this user's data and save that 18274 // it is uninstalled. 18275 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 18276 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 18277 return false; 18278 } 18279 scheduleWritePackageRestrictionsLocked(user); 18280 return true; 18281 } 18282 } 18283 18284 // If we are deleting a composite package for all users, keep track 18285 // of result for each child. 18286 if (ps.childPackageNames != null && outInfo != null) { 18287 synchronized (mPackages) { 18288 final int childCount = ps.childPackageNames.size(); 18289 outInfo.removedChildPackages = new ArrayMap<>(childCount); 18290 for (int i = 0; i < childCount; i++) { 18291 String childPackageName = ps.childPackageNames.get(i); 18292 PackageRemovedInfo childInfo = new PackageRemovedInfo(this); 18293 childInfo.removedPackage = childPackageName; 18294 childInfo.installerPackageName = ps.installerPackageName; 18295 outInfo.removedChildPackages.put(childPackageName, childInfo); 18296 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 18297 if (childPs != null) { 18298 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 18299 } 18300 } 18301 } 18302 } 18303 18304 boolean ret = false; 18305 if (isSystemApp(ps)) { 18306 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 18307 // When an updated system application is deleted we delete the existing resources 18308 // as well and fall back to existing code in system partition 18309 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 18310 } else { 18311 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 18312 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 18313 outInfo, writeSettings, replacingPackage); 18314 } 18315 18316 // Take a note whether we deleted the package for all users 18317 if (outInfo != null) { 18318 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 18319 if (outInfo.removedChildPackages != null) { 18320 synchronized (mPackages) { 18321 final int childCount = outInfo.removedChildPackages.size(); 18322 for (int i = 0; i < childCount; i++) { 18323 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 18324 if (childInfo != null) { 18325 childInfo.removedForAllUsers = mPackages.get( 18326 childInfo.removedPackage) == null; 18327 } 18328 } 18329 } 18330 } 18331 // If we uninstalled an update to a system app there may be some 18332 // child packages that appeared as they are declared in the system 18333 // app but were not declared in the update. 18334 if (isSystemApp(ps)) { 18335 synchronized (mPackages) { 18336 PackageSetting updatedPs = mSettings.getPackageLPr(ps.name); 18337 final int childCount = (updatedPs.childPackageNames != null) 18338 ? updatedPs.childPackageNames.size() : 0; 18339 for (int i = 0; i < childCount; i++) { 18340 String childPackageName = updatedPs.childPackageNames.get(i); 18341 if (outInfo.removedChildPackages == null 18342 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 18343 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 18344 if (childPs == null) { 18345 continue; 18346 } 18347 PackageInstalledInfo installRes = new PackageInstalledInfo(); 18348 installRes.name = childPackageName; 18349 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 18350 installRes.pkg = mPackages.get(childPackageName); 18351 installRes.uid = childPs.pkg.applicationInfo.uid; 18352 if (outInfo.appearedChildPackages == null) { 18353 outInfo.appearedChildPackages = new ArrayMap<>(); 18354 } 18355 outInfo.appearedChildPackages.put(childPackageName, installRes); 18356 } 18357 } 18358 } 18359 } 18360 } 18361 18362 return ret; 18363 } 18364 18365 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 18366 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 18367 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 18368 for (int nextUserId : userIds) { 18369 if (DEBUG_REMOVE) { 18370 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 18371 } 18372 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 18373 false /*installed*/, 18374 true /*stopped*/, 18375 true /*notLaunched*/, 18376 false /*hidden*/, 18377 false /*suspended*/, 18378 false /*instantApp*/, 18379 false /*virtualPreload*/, 18380 null /*lastDisableAppCaller*/, 18381 null /*enabledComponents*/, 18382 null /*disabledComponents*/, 18383 ps.readUserState(nextUserId).domainVerificationStatus, 18384 0, PackageManager.INSTALL_REASON_UNKNOWN, 18385 null /*harmfulAppWarning*/); 18386 } 18387 mSettings.writeKernelMappingLPr(ps); 18388 } 18389 18390 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 18391 PackageRemovedInfo outInfo) { 18392 final PackageParser.Package pkg; 18393 synchronized (mPackages) { 18394 pkg = mPackages.get(ps.name); 18395 } 18396 18397 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 18398 : new int[] {userId}; 18399 for (int nextUserId : userIds) { 18400 if (DEBUG_REMOVE) { 18401 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 18402 + nextUserId); 18403 } 18404 18405 destroyAppDataLIF(pkg, userId, 18406 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18407 destroyAppProfilesLIF(pkg, userId); 18408 clearDefaultBrowserIfNeededForUser(ps.name, userId); 18409 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 18410 schedulePackageCleaning(ps.name, nextUserId, false); 18411 synchronized (mPackages) { 18412 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 18413 scheduleWritePackageRestrictionsLocked(nextUserId); 18414 } 18415 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 18416 } 18417 } 18418 18419 if (outInfo != null) { 18420 outInfo.removedPackage = ps.name; 18421 outInfo.installerPackageName = ps.installerPackageName; 18422 outInfo.isStaticSharedLib = pkg != null && pkg.staticSharedLibName != null; 18423 outInfo.removedAppId = ps.appId; 18424 outInfo.removedUsers = userIds; 18425 outInfo.broadcastUsers = userIds; 18426 } 18427 18428 return true; 18429 } 18430 18431 private final class ClearStorageConnection implements ServiceConnection { 18432 IMediaContainerService mContainerService; 18433 18434 @Override 18435 public void onServiceConnected(ComponentName name, IBinder service) { 18436 synchronized (this) { 18437 mContainerService = IMediaContainerService.Stub 18438 .asInterface(Binder.allowBlocking(service)); 18439 notifyAll(); 18440 } 18441 } 18442 18443 @Override 18444 public void onServiceDisconnected(ComponentName name) { 18445 } 18446 } 18447 18448 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 18449 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 18450 18451 final boolean mounted; 18452 if (Environment.isExternalStorageEmulated()) { 18453 mounted = true; 18454 } else { 18455 final String status = Environment.getExternalStorageState(); 18456 18457 mounted = status.equals(Environment.MEDIA_MOUNTED) 18458 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 18459 } 18460 18461 if (!mounted) { 18462 return; 18463 } 18464 18465 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 18466 int[] users; 18467 if (userId == UserHandle.USER_ALL) { 18468 users = sUserManager.getUserIds(); 18469 } else { 18470 users = new int[] { userId }; 18471 } 18472 final ClearStorageConnection conn = new ClearStorageConnection(); 18473 if (mContext.bindServiceAsUser( 18474 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 18475 try { 18476 for (int curUser : users) { 18477 long timeout = SystemClock.uptimeMillis() + 5000; 18478 synchronized (conn) { 18479 long now; 18480 while (conn.mContainerService == null && 18481 (now = SystemClock.uptimeMillis()) < timeout) { 18482 try { 18483 conn.wait(timeout - now); 18484 } catch (InterruptedException e) { 18485 } 18486 } 18487 } 18488 if (conn.mContainerService == null) { 18489 return; 18490 } 18491 18492 final UserEnvironment userEnv = new UserEnvironment(curUser); 18493 clearDirectory(conn.mContainerService, 18494 userEnv.buildExternalStorageAppCacheDirs(packageName)); 18495 if (allData) { 18496 clearDirectory(conn.mContainerService, 18497 userEnv.buildExternalStorageAppDataDirs(packageName)); 18498 clearDirectory(conn.mContainerService, 18499 userEnv.buildExternalStorageAppMediaDirs(packageName)); 18500 } 18501 } 18502 } finally { 18503 mContext.unbindService(conn); 18504 } 18505 } 18506 } 18507 18508 @Override 18509 public void clearApplicationProfileData(String packageName) { 18510 enforceSystemOrRoot("Only the system can clear all profile data"); 18511 18512 final PackageParser.Package pkg; 18513 synchronized (mPackages) { 18514 pkg = mPackages.get(packageName); 18515 } 18516 18517 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 18518 synchronized (mInstallLock) { 18519 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 18520 } 18521 } 18522 } 18523 18524 @Override 18525 public void clearApplicationUserData(final String packageName, 18526 final IPackageDataObserver observer, final int userId) { 18527 mContext.enforceCallingOrSelfPermission( 18528 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 18529 18530 final int callingUid = Binder.getCallingUid(); 18531 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 18532 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 18533 18534 final PackageSetting ps = mSettings.getPackageLPr(packageName); 18535 final boolean filterApp = (ps != null && filterAppAccessLPr(ps, callingUid, userId)); 18536 if (!filterApp && mProtectedPackages.isPackageDataProtected(userId, packageName)) { 18537 throw new SecurityException("Cannot clear data for a protected package: " 18538 + packageName); 18539 } 18540 // Queue up an async operation since the package deletion may take a little while. 18541 mHandler.post(new Runnable() { 18542 public void run() { 18543 mHandler.removeCallbacks(this); 18544 final boolean succeeded; 18545 if (!filterApp) { 18546 try (PackageFreezer freezer = freezePackage(packageName, 18547 "clearApplicationUserData")) { 18548 synchronized (mInstallLock) { 18549 succeeded = clearApplicationUserDataLIF(packageName, userId); 18550 } 18551 clearExternalStorageDataSync(packageName, userId, true); 18552 synchronized (mPackages) { 18553 mInstantAppRegistry.deleteInstantApplicationMetadataLPw( 18554 packageName, userId); 18555 } 18556 } 18557 if (succeeded) { 18558 // invoke DeviceStorageMonitor's update method to clear any notifications 18559 DeviceStorageMonitorInternal dsm = LocalServices 18560 .getService(DeviceStorageMonitorInternal.class); 18561 if (dsm != null) { 18562 dsm.checkMemory(); 18563 } 18564 } 18565 } else { 18566 succeeded = false; 18567 } 18568 if (observer != null) { 18569 try { 18570 observer.onRemoveCompleted(packageName, succeeded); 18571 } catch (RemoteException e) { 18572 Log.i(TAG, "Observer no longer exists."); 18573 } 18574 } //end if observer 18575 } //end run 18576 }); 18577 } 18578 18579 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 18580 if (packageName == null) { 18581 Slog.w(TAG, "Attempt to delete null packageName."); 18582 return false; 18583 } 18584 18585 // Try finding details about the requested package 18586 PackageParser.Package pkg; 18587 synchronized (mPackages) { 18588 pkg = mPackages.get(packageName); 18589 if (pkg == null) { 18590 final PackageSetting ps = mSettings.mPackages.get(packageName); 18591 if (ps != null) { 18592 pkg = ps.pkg; 18593 } 18594 } 18595 18596 if (pkg == null) { 18597 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 18598 return false; 18599 } 18600 18601 PackageSetting ps = (PackageSetting) pkg.mExtras; 18602 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 18603 } 18604 18605 clearAppDataLIF(pkg, userId, 18606 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18607 18608 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 18609 removeKeystoreDataIfNeeded(userId, appId); 18610 18611 UserManagerInternal umInternal = getUserManagerInternal(); 18612 final int flags; 18613 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 18614 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18615 } else if (umInternal.isUserRunning(userId)) { 18616 flags = StorageManager.FLAG_STORAGE_DE; 18617 } else { 18618 flags = 0; 18619 } 18620 prepareAppDataContentsLIF(pkg, userId, flags); 18621 18622 return true; 18623 } 18624 18625 /** 18626 * Reverts user permission state changes (permissions and flags) in 18627 * all packages for a given user. 18628 * 18629 * @param userId The device user for which to do a reset. 18630 */ 18631 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 18632 final int packageCount = mPackages.size(); 18633 for (int i = 0; i < packageCount; i++) { 18634 PackageParser.Package pkg = mPackages.valueAt(i); 18635 PackageSetting ps = (PackageSetting) pkg.mExtras; 18636 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 18637 } 18638 } 18639 18640 private void resetNetworkPolicies(int userId) { 18641 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 18642 } 18643 18644 /** 18645 * Reverts user permission state changes (permissions and flags). 18646 * 18647 * @param ps The package for which to reset. 18648 * @param userId The device user for which to do a reset. 18649 */ 18650 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 18651 final PackageSetting ps, final int userId) { 18652 if (ps.pkg == null) { 18653 return; 18654 } 18655 18656 // These are flags that can change base on user actions. 18657 final int userSettableMask = FLAG_PERMISSION_USER_SET 18658 | FLAG_PERMISSION_USER_FIXED 18659 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 18660 | FLAG_PERMISSION_REVIEW_REQUIRED; 18661 18662 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 18663 | FLAG_PERMISSION_POLICY_FIXED; 18664 18665 boolean writeInstallPermissions = false; 18666 boolean writeRuntimePermissions = false; 18667 18668 final int permissionCount = ps.pkg.requestedPermissions.size(); 18669 for (int i = 0; i < permissionCount; i++) { 18670 final String permName = ps.pkg.requestedPermissions.get(i); 18671 final BasePermission bp = 18672 (BasePermission) mPermissionManager.getPermissionTEMP(permName); 18673 if (bp == null) { 18674 continue; 18675 } 18676 18677 // If shared user we just reset the state to which only this app contributed. 18678 if (ps.sharedUser != null) { 18679 boolean used = false; 18680 final int packageCount = ps.sharedUser.packages.size(); 18681 for (int j = 0; j < packageCount; j++) { 18682 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 18683 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 18684 && pkg.pkg.requestedPermissions.contains(permName)) { 18685 used = true; 18686 break; 18687 } 18688 } 18689 if (used) { 18690 continue; 18691 } 18692 } 18693 18694 final PermissionsState permissionsState = ps.getPermissionsState(); 18695 18696 final int oldFlags = permissionsState.getPermissionFlags(permName, userId); 18697 18698 // Always clear the user settable flags. 18699 final boolean hasInstallState = 18700 permissionsState.getInstallPermissionState(permName) != null; 18701 // If permission review is enabled and this is a legacy app, mark the 18702 // permission as requiring a review as this is the initial state. 18703 int flags = 0; 18704 if (mSettings.mPermissions.mPermissionReviewRequired 18705 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 18706 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 18707 } 18708 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 18709 if (hasInstallState) { 18710 writeInstallPermissions = true; 18711 } else { 18712 writeRuntimePermissions = true; 18713 } 18714 } 18715 18716 // Below is only runtime permission handling. 18717 if (!bp.isRuntime()) { 18718 continue; 18719 } 18720 18721 // Never clobber system or policy. 18722 if ((oldFlags & policyOrSystemFlags) != 0) { 18723 continue; 18724 } 18725 18726 // If this permission was granted by default, make sure it is. 18727 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 18728 if (permissionsState.grantRuntimePermission(bp, userId) 18729 != PERMISSION_OPERATION_FAILURE) { 18730 writeRuntimePermissions = true; 18731 } 18732 // If permission review is enabled the permissions for a legacy apps 18733 // are represented as constantly granted runtime ones, so don't revoke. 18734 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 18735 // Otherwise, reset the permission. 18736 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 18737 switch (revokeResult) { 18738 case PERMISSION_OPERATION_SUCCESS: 18739 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 18740 writeRuntimePermissions = true; 18741 final int appId = ps.appId; 18742 mHandler.post(new Runnable() { 18743 @Override 18744 public void run() { 18745 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 18746 } 18747 }); 18748 } break; 18749 } 18750 } 18751 } 18752 18753 // Synchronously write as we are taking permissions away. 18754 if (writeRuntimePermissions) { 18755 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 18756 } 18757 18758 // Synchronously write as we are taking permissions away. 18759 if (writeInstallPermissions) { 18760 mSettings.writeLPr(); 18761 } 18762 } 18763 18764 /** 18765 * Remove entries from the keystore daemon. Will only remove it if the 18766 * {@code appId} is valid. 18767 */ 18768 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 18769 if (appId < 0) { 18770 return; 18771 } 18772 18773 final KeyStore keyStore = KeyStore.getInstance(); 18774 if (keyStore != null) { 18775 if (userId == UserHandle.USER_ALL) { 18776 for (final int individual : sUserManager.getUserIds()) { 18777 keyStore.clearUid(UserHandle.getUid(individual, appId)); 18778 } 18779 } else { 18780 keyStore.clearUid(UserHandle.getUid(userId, appId)); 18781 } 18782 } else { 18783 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 18784 } 18785 } 18786 18787 @Override 18788 public void deleteApplicationCacheFiles(final String packageName, 18789 final IPackageDataObserver observer) { 18790 final int userId = UserHandle.getCallingUserId(); 18791 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 18792 } 18793 18794 @Override 18795 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 18796 final IPackageDataObserver observer) { 18797 final int callingUid = Binder.getCallingUid(); 18798 mContext.enforceCallingOrSelfPermission( 18799 android.Manifest.permission.DELETE_CACHE_FILES, null); 18800 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 18801 /* requireFullPermission= */ true, /* checkShell= */ false, 18802 "delete application cache files"); 18803 final int hasAccessInstantApps = mContext.checkCallingOrSelfPermission( 18804 android.Manifest.permission.ACCESS_INSTANT_APPS); 18805 18806 final PackageParser.Package pkg; 18807 synchronized (mPackages) { 18808 pkg = mPackages.get(packageName); 18809 } 18810 18811 // Queue up an async operation since the package deletion may take a little while. 18812 mHandler.post(new Runnable() { 18813 public void run() { 18814 final PackageSetting ps = pkg == null ? null : (PackageSetting) pkg.mExtras; 18815 boolean doClearData = true; 18816 if (ps != null) { 18817 final boolean targetIsInstantApp = 18818 ps.getInstantApp(UserHandle.getUserId(callingUid)); 18819 doClearData = !targetIsInstantApp 18820 || hasAccessInstantApps == PackageManager.PERMISSION_GRANTED; 18821 } 18822 if (doClearData) { 18823 synchronized (mInstallLock) { 18824 final int flags = StorageManager.FLAG_STORAGE_DE 18825 | StorageManager.FLAG_STORAGE_CE; 18826 // We're only clearing cache files, so we don't care if the 18827 // app is unfrozen and still able to run 18828 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 18829 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 18830 } 18831 clearExternalStorageDataSync(packageName, userId, false); 18832 } 18833 if (observer != null) { 18834 try { 18835 observer.onRemoveCompleted(packageName, true); 18836 } catch (RemoteException e) { 18837 Log.i(TAG, "Observer no longer exists."); 18838 } 18839 } 18840 } 18841 }); 18842 } 18843 18844 @Override 18845 public void getPackageSizeInfo(final String packageName, int userHandle, 18846 final IPackageStatsObserver observer) { 18847 throw new UnsupportedOperationException( 18848 "Shame on you for calling the hidden API getPackageSizeInfo(). Shame!"); 18849 } 18850 18851 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 18852 final PackageSetting ps; 18853 synchronized (mPackages) { 18854 ps = mSettings.mPackages.get(packageName); 18855 if (ps == null) { 18856 Slog.w(TAG, "Failed to find settings for " + packageName); 18857 return false; 18858 } 18859 } 18860 18861 final String[] packageNames = { packageName }; 18862 final long[] ceDataInodes = { ps.getCeDataInode(userId) }; 18863 final String[] codePaths = { ps.codePathString }; 18864 18865 try { 18866 mInstaller.getAppSize(ps.volumeUuid, packageNames, userId, 0, 18867 ps.appId, ceDataInodes, codePaths, stats); 18868 18869 // For now, ignore code size of packages on system partition 18870 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 18871 stats.codeSize = 0; 18872 } 18873 18874 // External clients expect these to be tracked separately 18875 stats.dataSize -= stats.cacheSize; 18876 18877 } catch (InstallerException e) { 18878 Slog.w(TAG, String.valueOf(e)); 18879 return false; 18880 } 18881 18882 return true; 18883 } 18884 18885 private int getUidTargetSdkVersionLockedLPr(int uid) { 18886 Object obj = mSettings.getUserIdLPr(uid); 18887 if (obj instanceof SharedUserSetting) { 18888 final SharedUserSetting sus = (SharedUserSetting) obj; 18889 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 18890 final Iterator<PackageSetting> it = sus.packages.iterator(); 18891 while (it.hasNext()) { 18892 final PackageSetting ps = it.next(); 18893 if (ps.pkg != null) { 18894 int v = ps.pkg.applicationInfo.targetSdkVersion; 18895 if (v < vers) vers = v; 18896 } 18897 } 18898 return vers; 18899 } else if (obj instanceof PackageSetting) { 18900 final PackageSetting ps = (PackageSetting) obj; 18901 if (ps.pkg != null) { 18902 return ps.pkg.applicationInfo.targetSdkVersion; 18903 } 18904 } 18905 return Build.VERSION_CODES.CUR_DEVELOPMENT; 18906 } 18907 18908 private int getPackageTargetSdkVersionLockedLPr(String packageName) { 18909 final PackageParser.Package p = mPackages.get(packageName); 18910 if (p != null) { 18911 return p.applicationInfo.targetSdkVersion; 18912 } 18913 return Build.VERSION_CODES.CUR_DEVELOPMENT; 18914 } 18915 18916 @Override 18917 public void addPreferredActivity(IntentFilter filter, int match, 18918 ComponentName[] set, ComponentName activity, int userId) { 18919 addPreferredActivityInternal(filter, match, set, activity, true, userId, 18920 "Adding preferred"); 18921 } 18922 18923 private void addPreferredActivityInternal(IntentFilter filter, int match, 18924 ComponentName[] set, ComponentName activity, boolean always, int userId, 18925 String opname) { 18926 // writer 18927 int callingUid = Binder.getCallingUid(); 18928 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 18929 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 18930 if (filter.countActions() == 0) { 18931 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 18932 return; 18933 } 18934 synchronized (mPackages) { 18935 if (mContext.checkCallingOrSelfPermission( 18936 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 18937 != PackageManager.PERMISSION_GRANTED) { 18938 if (getUidTargetSdkVersionLockedLPr(callingUid) 18939 < Build.VERSION_CODES.FROYO) { 18940 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 18941 + callingUid); 18942 return; 18943 } 18944 mContext.enforceCallingOrSelfPermission( 18945 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18946 } 18947 18948 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 18949 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 18950 + userId + ":"); 18951 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18952 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 18953 scheduleWritePackageRestrictionsLocked(userId); 18954 postPreferredActivityChangedBroadcast(userId); 18955 } 18956 } 18957 18958 private void postPreferredActivityChangedBroadcast(int userId) { 18959 mHandler.post(() -> { 18960 final IActivityManager am = ActivityManager.getService(); 18961 if (am == null) { 18962 return; 18963 } 18964 18965 final Intent intent = new Intent(Intent.ACTION_PREFERRED_ACTIVITY_CHANGED); 18966 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 18967 try { 18968 am.broadcastIntent(null, intent, null, null, 18969 0, null, null, null, android.app.AppOpsManager.OP_NONE, 18970 null, false, false, userId); 18971 } catch (RemoteException e) { 18972 } 18973 }); 18974 } 18975 18976 @Override 18977 public void replacePreferredActivity(IntentFilter filter, int match, 18978 ComponentName[] set, ComponentName activity, int userId) { 18979 if (filter.countActions() != 1) { 18980 throw new IllegalArgumentException( 18981 "replacePreferredActivity expects filter to have only 1 action."); 18982 } 18983 if (filter.countDataAuthorities() != 0 18984 || filter.countDataPaths() != 0 18985 || filter.countDataSchemes() > 1 18986 || filter.countDataTypes() != 0) { 18987 throw new IllegalArgumentException( 18988 "replacePreferredActivity expects filter to have no data authorities, " + 18989 "paths, or types; and at most one scheme."); 18990 } 18991 18992 final int callingUid = Binder.getCallingUid(); 18993 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 18994 true /* requireFullPermission */, false /* checkShell */, 18995 "replace preferred activity"); 18996 synchronized (mPackages) { 18997 if (mContext.checkCallingOrSelfPermission( 18998 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 18999 != PackageManager.PERMISSION_GRANTED) { 19000 if (getUidTargetSdkVersionLockedLPr(callingUid) 19001 < Build.VERSION_CODES.FROYO) { 19002 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 19003 + Binder.getCallingUid()); 19004 return; 19005 } 19006 mContext.enforceCallingOrSelfPermission( 19007 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 19008 } 19009 19010 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 19011 if (pir != null) { 19012 // Get all of the existing entries that exactly match this filter. 19013 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 19014 if (existing != null && existing.size() == 1) { 19015 PreferredActivity cur = existing.get(0); 19016 if (DEBUG_PREFERRED) { 19017 Slog.i(TAG, "Checking replace of preferred:"); 19018 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 19019 if (!cur.mPref.mAlways) { 19020 Slog.i(TAG, " -- CUR; not mAlways!"); 19021 } else { 19022 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 19023 Slog.i(TAG, " -- CUR: mSet=" 19024 + Arrays.toString(cur.mPref.mSetComponents)); 19025 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 19026 Slog.i(TAG, " -- NEW: mMatch=" 19027 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 19028 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 19029 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 19030 } 19031 } 19032 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 19033 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 19034 && cur.mPref.sameSet(set)) { 19035 // Setting the preferred activity to what it happens to be already 19036 if (DEBUG_PREFERRED) { 19037 Slog.i(TAG, "Replacing with same preferred activity " 19038 + cur.mPref.mShortComponent + " for user " 19039 + userId + ":"); 19040 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 19041 } 19042 return; 19043 } 19044 } 19045 19046 if (existing != null) { 19047 if (DEBUG_PREFERRED) { 19048 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 19049 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 19050 } 19051 for (int i = 0; i < existing.size(); i++) { 19052 PreferredActivity pa = existing.get(i); 19053 if (DEBUG_PREFERRED) { 19054 Slog.i(TAG, "Removing existing preferred activity " 19055 + pa.mPref.mComponent + ":"); 19056 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 19057 } 19058 pir.removeFilter(pa); 19059 } 19060 } 19061 } 19062 addPreferredActivityInternal(filter, match, set, activity, true, userId, 19063 "Replacing preferred"); 19064 } 19065 } 19066 19067 @Override 19068 public void clearPackagePreferredActivities(String packageName) { 19069 final int callingUid = Binder.getCallingUid(); 19070 if (getInstantAppPackageName(callingUid) != null) { 19071 return; 19072 } 19073 // writer 19074 synchronized (mPackages) { 19075 PackageParser.Package pkg = mPackages.get(packageName); 19076 if (pkg == null || pkg.applicationInfo.uid != callingUid) { 19077 if (mContext.checkCallingOrSelfPermission( 19078 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 19079 != PackageManager.PERMISSION_GRANTED) { 19080 if (getUidTargetSdkVersionLockedLPr(callingUid) 19081 < Build.VERSION_CODES.FROYO) { 19082 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 19083 + callingUid); 19084 return; 19085 } 19086 mContext.enforceCallingOrSelfPermission( 19087 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 19088 } 19089 } 19090 final PackageSetting ps = mSettings.getPackageLPr(packageName); 19091 if (ps != null 19092 && filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 19093 return; 19094 } 19095 int user = UserHandle.getCallingUserId(); 19096 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 19097 scheduleWritePackageRestrictionsLocked(user); 19098 } 19099 } 19100 } 19101 19102 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 19103 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 19104 ArrayList<PreferredActivity> removed = null; 19105 boolean changed = false; 19106 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 19107 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 19108 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 19109 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 19110 continue; 19111 } 19112 Iterator<PreferredActivity> it = pir.filterIterator(); 19113 while (it.hasNext()) { 19114 PreferredActivity pa = it.next(); 19115 // Mark entry for removal only if it matches the package name 19116 // and the entry is of type "always". 19117 if (packageName == null || 19118 (pa.mPref.mComponent.getPackageName().equals(packageName) 19119 && pa.mPref.mAlways)) { 19120 if (removed == null) { 19121 removed = new ArrayList<PreferredActivity>(); 19122 } 19123 removed.add(pa); 19124 } 19125 } 19126 if (removed != null) { 19127 for (int j=0; j<removed.size(); j++) { 19128 PreferredActivity pa = removed.get(j); 19129 pir.removeFilter(pa); 19130 } 19131 changed = true; 19132 } 19133 } 19134 if (changed) { 19135 postPreferredActivityChangedBroadcast(userId); 19136 } 19137 return changed; 19138 } 19139 19140 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 19141 private void clearIntentFilterVerificationsLPw(int userId) { 19142 final int packageCount = mPackages.size(); 19143 for (int i = 0; i < packageCount; i++) { 19144 PackageParser.Package pkg = mPackages.valueAt(i); 19145 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 19146 } 19147 } 19148 19149 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 19150 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 19151 if (userId == UserHandle.USER_ALL) { 19152 if (mSettings.removeIntentFilterVerificationLPw(packageName, 19153 sUserManager.getUserIds())) { 19154 for (int oneUserId : sUserManager.getUserIds()) { 19155 scheduleWritePackageRestrictionsLocked(oneUserId); 19156 } 19157 } 19158 } else { 19159 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 19160 scheduleWritePackageRestrictionsLocked(userId); 19161 } 19162 } 19163 } 19164 19165 /** Clears state for all users, and touches intent filter verification policy */ 19166 void clearDefaultBrowserIfNeeded(String packageName) { 19167 for (int oneUserId : sUserManager.getUserIds()) { 19168 clearDefaultBrowserIfNeededForUser(packageName, oneUserId); 19169 } 19170 } 19171 19172 private void clearDefaultBrowserIfNeededForUser(String packageName, int userId) { 19173 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 19174 if (!TextUtils.isEmpty(defaultBrowserPackageName)) { 19175 if (packageName.equals(defaultBrowserPackageName)) { 19176 setDefaultBrowserPackageName(null, userId); 19177 } 19178 } 19179 } 19180 19181 @Override 19182 public void resetApplicationPreferences(int userId) { 19183 mContext.enforceCallingOrSelfPermission( 19184 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 19185 final long identity = Binder.clearCallingIdentity(); 19186 // writer 19187 try { 19188 synchronized (mPackages) { 19189 clearPackagePreferredActivitiesLPw(null, userId); 19190 mSettings.applyDefaultPreferredAppsLPw(this, userId); 19191 // TODO: We have to reset the default SMS and Phone. This requires 19192 // significant refactoring to keep all default apps in the package 19193 // manager (cleaner but more work) or have the services provide 19194 // callbacks to the package manager to request a default app reset. 19195 applyFactoryDefaultBrowserLPw(userId); 19196 clearIntentFilterVerificationsLPw(userId); 19197 primeDomainVerificationsLPw(userId); 19198 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 19199 scheduleWritePackageRestrictionsLocked(userId); 19200 } 19201 resetNetworkPolicies(userId); 19202 } finally { 19203 Binder.restoreCallingIdentity(identity); 19204 } 19205 } 19206 19207 @Override 19208 public int getPreferredActivities(List<IntentFilter> outFilters, 19209 List<ComponentName> outActivities, String packageName) { 19210 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 19211 return 0; 19212 } 19213 int num = 0; 19214 final int userId = UserHandle.getCallingUserId(); 19215 // reader 19216 synchronized (mPackages) { 19217 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 19218 if (pir != null) { 19219 final Iterator<PreferredActivity> it = pir.filterIterator(); 19220 while (it.hasNext()) { 19221 final PreferredActivity pa = it.next(); 19222 if (packageName == null 19223 || (pa.mPref.mComponent.getPackageName().equals(packageName) 19224 && pa.mPref.mAlways)) { 19225 if (outFilters != null) { 19226 outFilters.add(new IntentFilter(pa)); 19227 } 19228 if (outActivities != null) { 19229 outActivities.add(pa.mPref.mComponent); 19230 } 19231 } 19232 } 19233 } 19234 } 19235 19236 return num; 19237 } 19238 19239 @Override 19240 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 19241 int userId) { 19242 int callingUid = Binder.getCallingUid(); 19243 if (callingUid != Process.SYSTEM_UID) { 19244 throw new SecurityException( 19245 "addPersistentPreferredActivity can only be run by the system"); 19246 } 19247 if (filter.countActions() == 0) { 19248 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 19249 return; 19250 } 19251 synchronized (mPackages) { 19252 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 19253 ":"); 19254 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 19255 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 19256 new PersistentPreferredActivity(filter, activity)); 19257 scheduleWritePackageRestrictionsLocked(userId); 19258 postPreferredActivityChangedBroadcast(userId); 19259 } 19260 } 19261 19262 @Override 19263 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 19264 int callingUid = Binder.getCallingUid(); 19265 if (callingUid != Process.SYSTEM_UID) { 19266 throw new SecurityException( 19267 "clearPackagePersistentPreferredActivities can only be run by the system"); 19268 } 19269 ArrayList<PersistentPreferredActivity> removed = null; 19270 boolean changed = false; 19271 synchronized (mPackages) { 19272 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 19273 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 19274 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 19275 .valueAt(i); 19276 if (userId != thisUserId) { 19277 continue; 19278 } 19279 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 19280 while (it.hasNext()) { 19281 PersistentPreferredActivity ppa = it.next(); 19282 // Mark entry for removal only if it matches the package name. 19283 if (ppa.mComponent.getPackageName().equals(packageName)) { 19284 if (removed == null) { 19285 removed = new ArrayList<PersistentPreferredActivity>(); 19286 } 19287 removed.add(ppa); 19288 } 19289 } 19290 if (removed != null) { 19291 for (int j=0; j<removed.size(); j++) { 19292 PersistentPreferredActivity ppa = removed.get(j); 19293 ppir.removeFilter(ppa); 19294 } 19295 changed = true; 19296 } 19297 } 19298 19299 if (changed) { 19300 scheduleWritePackageRestrictionsLocked(userId); 19301 postPreferredActivityChangedBroadcast(userId); 19302 } 19303 } 19304 } 19305 19306 /** 19307 * Common machinery for picking apart a restored XML blob and passing 19308 * it to a caller-supplied functor to be applied to the running system. 19309 */ 19310 private void restoreFromXml(XmlPullParser parser, int userId, 19311 String expectedStartTag, BlobXmlRestorer functor) 19312 throws IOException, XmlPullParserException { 19313 int type; 19314 while ((type = parser.next()) != XmlPullParser.START_TAG 19315 && type != XmlPullParser.END_DOCUMENT) { 19316 } 19317 if (type != XmlPullParser.START_TAG) { 19318 // oops didn't find a start tag?! 19319 if (DEBUG_BACKUP) { 19320 Slog.e(TAG, "Didn't find start tag during restore"); 19321 } 19322 return; 19323 } 19324Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 19325 // this is supposed to be TAG_PREFERRED_BACKUP 19326 if (!expectedStartTag.equals(parser.getName())) { 19327 if (DEBUG_BACKUP) { 19328 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 19329 } 19330 return; 19331 } 19332 19333 // skip interfering stuff, then we're aligned with the backing implementation 19334 while ((type = parser.next()) == XmlPullParser.TEXT) { } 19335Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 19336 functor.apply(parser, userId); 19337 } 19338 19339 private interface BlobXmlRestorer { 19340 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 19341 } 19342 19343 /** 19344 * Non-Binder method, support for the backup/restore mechanism: write the 19345 * full set of preferred activities in its canonical XML format. Returns the 19346 * XML output as a byte array, or null if there is none. 19347 */ 19348 @Override 19349 public byte[] getPreferredActivityBackup(int userId) { 19350 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19351 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 19352 } 19353 19354 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19355 try { 19356 final XmlSerializer serializer = new FastXmlSerializer(); 19357 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19358 serializer.startDocument(null, true); 19359 serializer.startTag(null, TAG_PREFERRED_BACKUP); 19360 19361 synchronized (mPackages) { 19362 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 19363 } 19364 19365 serializer.endTag(null, TAG_PREFERRED_BACKUP); 19366 serializer.endDocument(); 19367 serializer.flush(); 19368 } catch (Exception e) { 19369 if (DEBUG_BACKUP) { 19370 Slog.e(TAG, "Unable to write preferred activities for backup", e); 19371 } 19372 return null; 19373 } 19374 19375 return dataStream.toByteArray(); 19376 } 19377 19378 @Override 19379 public void restorePreferredActivities(byte[] backup, int userId) { 19380 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19381 throw new SecurityException("Only the system may call restorePreferredActivities()"); 19382 } 19383 19384 try { 19385 final XmlPullParser parser = Xml.newPullParser(); 19386 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19387 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 19388 new BlobXmlRestorer() { 19389 @Override 19390 public void apply(XmlPullParser parser, int userId) 19391 throws XmlPullParserException, IOException { 19392 synchronized (mPackages) { 19393 mSettings.readPreferredActivitiesLPw(parser, userId); 19394 } 19395 } 19396 } ); 19397 } catch (Exception e) { 19398 if (DEBUG_BACKUP) { 19399 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19400 } 19401 } 19402 } 19403 19404 /** 19405 * Non-Binder method, support for the backup/restore mechanism: write the 19406 * default browser (etc) settings in its canonical XML format. Returns the default 19407 * browser XML representation as a byte array, or null if there is none. 19408 */ 19409 @Override 19410 public byte[] getDefaultAppsBackup(int userId) { 19411 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19412 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 19413 } 19414 19415 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19416 try { 19417 final XmlSerializer serializer = new FastXmlSerializer(); 19418 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19419 serializer.startDocument(null, true); 19420 serializer.startTag(null, TAG_DEFAULT_APPS); 19421 19422 synchronized (mPackages) { 19423 mSettings.writeDefaultAppsLPr(serializer, userId); 19424 } 19425 19426 serializer.endTag(null, TAG_DEFAULT_APPS); 19427 serializer.endDocument(); 19428 serializer.flush(); 19429 } catch (Exception e) { 19430 if (DEBUG_BACKUP) { 19431 Slog.e(TAG, "Unable to write default apps for backup", e); 19432 } 19433 return null; 19434 } 19435 19436 return dataStream.toByteArray(); 19437 } 19438 19439 @Override 19440 public void restoreDefaultApps(byte[] backup, int userId) { 19441 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19442 throw new SecurityException("Only the system may call restoreDefaultApps()"); 19443 } 19444 19445 try { 19446 final XmlPullParser parser = Xml.newPullParser(); 19447 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19448 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 19449 new BlobXmlRestorer() { 19450 @Override 19451 public void apply(XmlPullParser parser, int userId) 19452 throws XmlPullParserException, IOException { 19453 synchronized (mPackages) { 19454 mSettings.readDefaultAppsLPw(parser, userId); 19455 } 19456 } 19457 } ); 19458 } catch (Exception e) { 19459 if (DEBUG_BACKUP) { 19460 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 19461 } 19462 } 19463 } 19464 19465 @Override 19466 public byte[] getIntentFilterVerificationBackup(int userId) { 19467 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19468 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 19469 } 19470 19471 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19472 try { 19473 final XmlSerializer serializer = new FastXmlSerializer(); 19474 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19475 serializer.startDocument(null, true); 19476 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 19477 19478 synchronized (mPackages) { 19479 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 19480 } 19481 19482 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 19483 serializer.endDocument(); 19484 serializer.flush(); 19485 } catch (Exception e) { 19486 if (DEBUG_BACKUP) { 19487 Slog.e(TAG, "Unable to write default apps for backup", e); 19488 } 19489 return null; 19490 } 19491 19492 return dataStream.toByteArray(); 19493 } 19494 19495 @Override 19496 public void restoreIntentFilterVerification(byte[] backup, int userId) { 19497 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19498 throw new SecurityException("Only the system may call restorePreferredActivities()"); 19499 } 19500 19501 try { 19502 final XmlPullParser parser = Xml.newPullParser(); 19503 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19504 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 19505 new BlobXmlRestorer() { 19506 @Override 19507 public void apply(XmlPullParser parser, int userId) 19508 throws XmlPullParserException, IOException { 19509 synchronized (mPackages) { 19510 mSettings.readAllDomainVerificationsLPr(parser, userId); 19511 mSettings.writeLPr(); 19512 } 19513 } 19514 } ); 19515 } catch (Exception e) { 19516 if (DEBUG_BACKUP) { 19517 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19518 } 19519 } 19520 } 19521 19522 @Override 19523 public byte[] getPermissionGrantBackup(int userId) { 19524 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19525 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 19526 } 19527 19528 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19529 try { 19530 final XmlSerializer serializer = new FastXmlSerializer(); 19531 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19532 serializer.startDocument(null, true); 19533 serializer.startTag(null, TAG_PERMISSION_BACKUP); 19534 19535 synchronized (mPackages) { 19536 serializeRuntimePermissionGrantsLPr(serializer, userId); 19537 } 19538 19539 serializer.endTag(null, TAG_PERMISSION_BACKUP); 19540 serializer.endDocument(); 19541 serializer.flush(); 19542 } catch (Exception e) { 19543 if (DEBUG_BACKUP) { 19544 Slog.e(TAG, "Unable to write default apps for backup", e); 19545 } 19546 return null; 19547 } 19548 19549 return dataStream.toByteArray(); 19550 } 19551 19552 @Override 19553 public void restorePermissionGrants(byte[] backup, int userId) { 19554 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19555 throw new SecurityException("Only the system may call restorePermissionGrants()"); 19556 } 19557 19558 try { 19559 final XmlPullParser parser = Xml.newPullParser(); 19560 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19561 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 19562 new BlobXmlRestorer() { 19563 @Override 19564 public void apply(XmlPullParser parser, int userId) 19565 throws XmlPullParserException, IOException { 19566 synchronized (mPackages) { 19567 processRestoredPermissionGrantsLPr(parser, userId); 19568 } 19569 } 19570 } ); 19571 } catch (Exception e) { 19572 if (DEBUG_BACKUP) { 19573 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19574 } 19575 } 19576 } 19577 19578 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 19579 throws IOException { 19580 serializer.startTag(null, TAG_ALL_GRANTS); 19581 19582 final int N = mSettings.mPackages.size(); 19583 for (int i = 0; i < N; i++) { 19584 final PackageSetting ps = mSettings.mPackages.valueAt(i); 19585 boolean pkgGrantsKnown = false; 19586 19587 PermissionsState packagePerms = ps.getPermissionsState(); 19588 19589 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 19590 final int grantFlags = state.getFlags(); 19591 // only look at grants that are not system/policy fixed 19592 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 19593 final boolean isGranted = state.isGranted(); 19594 // And only back up the user-twiddled state bits 19595 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 19596 final String packageName = mSettings.mPackages.keyAt(i); 19597 if (!pkgGrantsKnown) { 19598 serializer.startTag(null, TAG_GRANT); 19599 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 19600 pkgGrantsKnown = true; 19601 } 19602 19603 final boolean userSet = 19604 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 19605 final boolean userFixed = 19606 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 19607 final boolean revoke = 19608 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 19609 19610 serializer.startTag(null, TAG_PERMISSION); 19611 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 19612 if (isGranted) { 19613 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 19614 } 19615 if (userSet) { 19616 serializer.attribute(null, ATTR_USER_SET, "true"); 19617 } 19618 if (userFixed) { 19619 serializer.attribute(null, ATTR_USER_FIXED, "true"); 19620 } 19621 if (revoke) { 19622 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 19623 } 19624 serializer.endTag(null, TAG_PERMISSION); 19625 } 19626 } 19627 } 19628 19629 if (pkgGrantsKnown) { 19630 serializer.endTag(null, TAG_GRANT); 19631 } 19632 } 19633 19634 serializer.endTag(null, TAG_ALL_GRANTS); 19635 } 19636 19637 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 19638 throws XmlPullParserException, IOException { 19639 String pkgName = null; 19640 int outerDepth = parser.getDepth(); 19641 int type; 19642 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 19643 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 19644 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 19645 continue; 19646 } 19647 19648 final String tagName = parser.getName(); 19649 if (tagName.equals(TAG_GRANT)) { 19650 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 19651 if (DEBUG_BACKUP) { 19652 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 19653 } 19654 } else if (tagName.equals(TAG_PERMISSION)) { 19655 19656 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 19657 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 19658 19659 int newFlagSet = 0; 19660 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 19661 newFlagSet |= FLAG_PERMISSION_USER_SET; 19662 } 19663 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 19664 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 19665 } 19666 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 19667 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 19668 } 19669 if (DEBUG_BACKUP) { 19670 Slog.v(TAG, " + Restoring grant:" 19671 + " pkg=" + pkgName 19672 + " perm=" + permName 19673 + " granted=" + isGranted 19674 + " bits=0x" + Integer.toHexString(newFlagSet)); 19675 } 19676 final PackageSetting ps = mSettings.mPackages.get(pkgName); 19677 if (ps != null) { 19678 // Already installed so we apply the grant immediately 19679 if (DEBUG_BACKUP) { 19680 Slog.v(TAG, " + already installed; applying"); 19681 } 19682 PermissionsState perms = ps.getPermissionsState(); 19683 BasePermission bp = 19684 (BasePermission) mPermissionManager.getPermissionTEMP(permName); 19685 if (bp != null) { 19686 if (isGranted) { 19687 perms.grantRuntimePermission(bp, userId); 19688 } 19689 if (newFlagSet != 0) { 19690 perms.updatePermissionFlags( 19691 bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 19692 } 19693 } 19694 } else { 19695 // Need to wait for post-restore install to apply the grant 19696 if (DEBUG_BACKUP) { 19697 Slog.v(TAG, " - not yet installed; saving for later"); 19698 } 19699 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 19700 isGranted, newFlagSet, userId); 19701 } 19702 } else { 19703 PackageManagerService.reportSettingsProblem(Log.WARN, 19704 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 19705 XmlUtils.skipCurrentTag(parser); 19706 } 19707 } 19708 19709 scheduleWriteSettingsLocked(); 19710 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 19711 } 19712 19713 @Override 19714 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 19715 int sourceUserId, int targetUserId, int flags) { 19716 mContext.enforceCallingOrSelfPermission( 19717 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 19718 int callingUid = Binder.getCallingUid(); 19719 enforceOwnerRights(ownerPackage, callingUid); 19720 PackageManagerServiceUtils.enforceShellRestriction( 19721 UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 19722 if (intentFilter.countActions() == 0) { 19723 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 19724 return; 19725 } 19726 synchronized (mPackages) { 19727 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 19728 ownerPackage, targetUserId, flags); 19729 CrossProfileIntentResolver resolver = 19730 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 19731 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 19732 // We have all those whose filter is equal. Now checking if the rest is equal as well. 19733 if (existing != null) { 19734 int size = existing.size(); 19735 for (int i = 0; i < size; i++) { 19736 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 19737 return; 19738 } 19739 } 19740 } 19741 resolver.addFilter(newFilter); 19742 scheduleWritePackageRestrictionsLocked(sourceUserId); 19743 } 19744 } 19745 19746 @Override 19747 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 19748 mContext.enforceCallingOrSelfPermission( 19749 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 19750 final int callingUid = Binder.getCallingUid(); 19751 enforceOwnerRights(ownerPackage, callingUid); 19752 PackageManagerServiceUtils.enforceShellRestriction( 19753 UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 19754 synchronized (mPackages) { 19755 CrossProfileIntentResolver resolver = 19756 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 19757 ArraySet<CrossProfileIntentFilter> set = 19758 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 19759 for (CrossProfileIntentFilter filter : set) { 19760 if (filter.getOwnerPackage().equals(ownerPackage)) { 19761 resolver.removeFilter(filter); 19762 } 19763 } 19764 scheduleWritePackageRestrictionsLocked(sourceUserId); 19765 } 19766 } 19767 19768 // Enforcing that callingUid is owning pkg on userId 19769 private void enforceOwnerRights(String pkg, int callingUid) { 19770 // The system owns everything. 19771 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 19772 return; 19773 } 19774 final int callingUserId = UserHandle.getUserId(callingUid); 19775 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 19776 if (pi == null) { 19777 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 19778 + callingUserId); 19779 } 19780 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 19781 throw new SecurityException("Calling uid " + callingUid 19782 + " does not own package " + pkg); 19783 } 19784 } 19785 19786 @Override 19787 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 19788 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 19789 return null; 19790 } 19791 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 19792 } 19793 19794 public void sendSessionCommitBroadcast(PackageInstaller.SessionInfo sessionInfo, int userId) { 19795 UserManagerService ums = UserManagerService.getInstance(); 19796 if (ums != null) { 19797 final UserInfo parent = ums.getProfileParent(userId); 19798 final int launcherUid = (parent != null) ? parent.id : userId; 19799 final ComponentName launcherComponent = getDefaultHomeActivity(launcherUid); 19800 if (launcherComponent != null) { 19801 Intent launcherIntent = new Intent(PackageInstaller.ACTION_SESSION_COMMITTED) 19802 .putExtra(PackageInstaller.EXTRA_SESSION, sessionInfo) 19803 .putExtra(Intent.EXTRA_USER, UserHandle.of(userId)) 19804 .setPackage(launcherComponent.getPackageName()); 19805 mContext.sendBroadcastAsUser(launcherIntent, UserHandle.of(launcherUid)); 19806 } 19807 } 19808 } 19809 19810 /** 19811 * Report the 'Home' activity which is currently set as "always use this one". If non is set 19812 * then reports the most likely home activity or null if there are more than one. 19813 */ 19814 private ComponentName getDefaultHomeActivity(int userId) { 19815 List<ResolveInfo> allHomeCandidates = new ArrayList<>(); 19816 ComponentName cn = getHomeActivitiesAsUser(allHomeCandidates, userId); 19817 if (cn != null) { 19818 return cn; 19819 } 19820 19821 // Find the launcher with the highest priority and return that component if there are no 19822 // other home activity with the same priority. 19823 int lastPriority = Integer.MIN_VALUE; 19824 ComponentName lastComponent = null; 19825 final int size = allHomeCandidates.size(); 19826 for (int i = 0; i < size; i++) { 19827 final ResolveInfo ri = allHomeCandidates.get(i); 19828 if (ri.priority > lastPriority) { 19829 lastComponent = ri.activityInfo.getComponentName(); 19830 lastPriority = ri.priority; 19831 } else if (ri.priority == lastPriority) { 19832 // Two components found with same priority. 19833 lastComponent = null; 19834 } 19835 } 19836 return lastComponent; 19837 } 19838 19839 private Intent getHomeIntent() { 19840 Intent intent = new Intent(Intent.ACTION_MAIN); 19841 intent.addCategory(Intent.CATEGORY_HOME); 19842 intent.addCategory(Intent.CATEGORY_DEFAULT); 19843 return intent; 19844 } 19845 19846 private IntentFilter getHomeFilter() { 19847 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 19848 filter.addCategory(Intent.CATEGORY_HOME); 19849 filter.addCategory(Intent.CATEGORY_DEFAULT); 19850 return filter; 19851 } 19852 19853 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 19854 int userId) { 19855 Intent intent = getHomeIntent(); 19856 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 19857 PackageManager.GET_META_DATA, userId); 19858 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 19859 true, false, false, userId); 19860 19861 allHomeCandidates.clear(); 19862 if (list != null) { 19863 for (ResolveInfo ri : list) { 19864 allHomeCandidates.add(ri); 19865 } 19866 } 19867 return (preferred == null || preferred.activityInfo == null) 19868 ? null 19869 : new ComponentName(preferred.activityInfo.packageName, 19870 preferred.activityInfo.name); 19871 } 19872 19873 @Override 19874 public void setHomeActivity(ComponentName comp, int userId) { 19875 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 19876 return; 19877 } 19878 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 19879 getHomeActivitiesAsUser(homeActivities, userId); 19880 19881 boolean found = false; 19882 19883 final int size = homeActivities.size(); 19884 final ComponentName[] set = new ComponentName[size]; 19885 for (int i = 0; i < size; i++) { 19886 final ResolveInfo candidate = homeActivities.get(i); 19887 final ActivityInfo info = candidate.activityInfo; 19888 final ComponentName activityName = new ComponentName(info.packageName, info.name); 19889 set[i] = activityName; 19890 if (!found && activityName.equals(comp)) { 19891 found = true; 19892 } 19893 } 19894 if (!found) { 19895 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 19896 + userId); 19897 } 19898 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 19899 set, comp, userId); 19900 } 19901 19902 private @Nullable String getSetupWizardPackageName() { 19903 final Intent intent = new Intent(Intent.ACTION_MAIN); 19904 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 19905 19906 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 19907 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 19908 | MATCH_DISABLED_COMPONENTS, 19909 UserHandle.myUserId()); 19910 if (matches.size() == 1) { 19911 return matches.get(0).getComponentInfo().packageName; 19912 } else { 19913 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 19914 + ": matches=" + matches); 19915 return null; 19916 } 19917 } 19918 19919 private @Nullable String getStorageManagerPackageName() { 19920 final Intent intent = new Intent(StorageManager.ACTION_MANAGE_STORAGE); 19921 19922 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 19923 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 19924 | MATCH_DISABLED_COMPONENTS, 19925 UserHandle.myUserId()); 19926 if (matches.size() == 1) { 19927 return matches.get(0).getComponentInfo().packageName; 19928 } else { 19929 Slog.e(TAG, "There should probably be exactly one storage manager; found " 19930 + matches.size() + ": matches=" + matches); 19931 return null; 19932 } 19933 } 19934 19935 @Override 19936 public void setApplicationEnabledSetting(String appPackageName, 19937 int newState, int flags, int userId, String callingPackage) { 19938 if (!sUserManager.exists(userId)) return; 19939 if (callingPackage == null) { 19940 callingPackage = Integer.toString(Binder.getCallingUid()); 19941 } 19942 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 19943 } 19944 19945 @Override 19946 public void setUpdateAvailable(String packageName, boolean updateAvailable) { 19947 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 19948 synchronized (mPackages) { 19949 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 19950 if (pkgSetting != null) { 19951 pkgSetting.setUpdateAvailable(updateAvailable); 19952 } 19953 } 19954 } 19955 19956 @Override 19957 public void setComponentEnabledSetting(ComponentName componentName, 19958 int newState, int flags, int userId) { 19959 if (!sUserManager.exists(userId)) return; 19960 setEnabledSetting(componentName.getPackageName(), 19961 componentName.getClassName(), newState, flags, userId, null); 19962 } 19963 19964 private void setEnabledSetting(final String packageName, String className, int newState, 19965 final int flags, int userId, String callingPackage) { 19966 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 19967 || newState == COMPONENT_ENABLED_STATE_ENABLED 19968 || newState == COMPONENT_ENABLED_STATE_DISABLED 19969 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 19970 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 19971 throw new IllegalArgumentException("Invalid new component state: " 19972 + newState); 19973 } 19974 PackageSetting pkgSetting; 19975 final int callingUid = Binder.getCallingUid(); 19976 final int permission; 19977 if (callingUid == Process.SYSTEM_UID) { 19978 permission = PackageManager.PERMISSION_GRANTED; 19979 } else { 19980 permission = mContext.checkCallingOrSelfPermission( 19981 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 19982 } 19983 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 19984 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 19985 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 19986 boolean sendNow = false; 19987 boolean isApp = (className == null); 19988 final boolean isCallerInstantApp = (getInstantAppPackageName(callingUid) != null); 19989 String componentName = isApp ? packageName : className; 19990 int packageUid = -1; 19991 ArrayList<String> components; 19992 19993 // reader 19994 synchronized (mPackages) { 19995 pkgSetting = mSettings.mPackages.get(packageName); 19996 if (pkgSetting == null) { 19997 if (!isCallerInstantApp) { 19998 if (className == null) { 19999 throw new IllegalArgumentException("Unknown package: " + packageName); 20000 } 20001 throw new IllegalArgumentException( 20002 "Unknown component: " + packageName + "/" + className); 20003 } else { 20004 // throw SecurityException to prevent leaking package information 20005 throw new SecurityException( 20006 "Attempt to change component state; " 20007 + "pid=" + Binder.getCallingPid() 20008 + ", uid=" + callingUid 20009 + (className == null 20010 ? ", package=" + packageName 20011 : ", component=" + packageName + "/" + className)); 20012 } 20013 } 20014 } 20015 20016 // Limit who can change which apps 20017 if (!UserHandle.isSameApp(callingUid, pkgSetting.appId)) { 20018 // Don't allow apps that don't have permission to modify other apps 20019 if (!allowedByPermission 20020 || filterAppAccessLPr(pkgSetting, callingUid, userId)) { 20021 throw new SecurityException( 20022 "Attempt to change component state; " 20023 + "pid=" + Binder.getCallingPid() 20024 + ", uid=" + callingUid 20025 + (className == null 20026 ? ", package=" + packageName 20027 : ", component=" + packageName + "/" + className)); 20028 } 20029 // Don't allow changing protected packages. 20030 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 20031 throw new SecurityException("Cannot disable a protected package: " + packageName); 20032 } 20033 } 20034 20035 synchronized (mPackages) { 20036 if (callingUid == Process.SHELL_UID 20037 && (pkgSetting.pkgFlags & ApplicationInfo.FLAG_TEST_ONLY) == 0) { 20038 // Shell can only change whole packages between ENABLED and DISABLED_USER states 20039 // unless it is a test package. 20040 int oldState = pkgSetting.getEnabled(userId); 20041 if (className == null 20042 && 20043 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 20044 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 20045 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 20046 && 20047 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 20048 || newState == COMPONENT_ENABLED_STATE_DEFAULT 20049 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 20050 // ok 20051 } else { 20052 throw new SecurityException( 20053 "Shell cannot change component state for " + packageName + "/" 20054 + className + " to " + newState); 20055 } 20056 } 20057 } 20058 if (className == null) { 20059 // We're dealing with an application/package level state change 20060 synchronized (mPackages) { 20061 if (pkgSetting.getEnabled(userId) == newState) { 20062 // Nothing to do 20063 return; 20064 } 20065 } 20066 // If we're enabling a system stub, there's a little more work to do. 20067 // Prior to enabling the package, we need to decompress the APK(s) to the 20068 // data partition and then replace the version on the system partition. 20069 final PackageParser.Package deletedPkg = pkgSetting.pkg; 20070 final boolean isSystemStub = deletedPkg.isStub 20071 && deletedPkg.isSystem(); 20072 if (isSystemStub 20073 && (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 20074 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED)) { 20075 final File codePath = decompressPackage(deletedPkg); 20076 if (codePath == null) { 20077 Slog.e(TAG, "couldn't decompress pkg: " + pkgSetting.name); 20078 return; 20079 } 20080 // TODO remove direct parsing of the package object during internal cleanup 20081 // of scan package 20082 // We need to call parse directly here for no other reason than we need 20083 // the new package in order to disable the old one [we use the information 20084 // for some internal optimization to optionally create a new package setting 20085 // object on replace]. However, we can't get the package from the scan 20086 // because the scan modifies live structures and we need to remove the 20087 // old [system] package from the system before a scan can be attempted. 20088 // Once scan is indempotent we can remove this parse and use the package 20089 // object we scanned, prior to adding it to package settings. 20090 final PackageParser pp = new PackageParser(); 20091 pp.setSeparateProcesses(mSeparateProcesses); 20092 pp.setDisplayMetrics(mMetrics); 20093 pp.setCallback(mPackageParserCallback); 20094 final PackageParser.Package tmpPkg; 20095 try { 20096 final @ParseFlags int parseFlags = mDefParseFlags 20097 | PackageParser.PARSE_MUST_BE_APK 20098 | PackageParser.PARSE_IS_SYSTEM_DIR; 20099 tmpPkg = pp.parsePackage(codePath, parseFlags); 20100 } catch (PackageParserException e) { 20101 Slog.w(TAG, "Failed to parse compressed system package:" + pkgSetting.name, e); 20102 return; 20103 } 20104 synchronized (mInstallLock) { 20105 // Disable the stub and remove any package entries 20106 removePackageLI(deletedPkg, true); 20107 synchronized (mPackages) { 20108 disableSystemPackageLPw(deletedPkg, tmpPkg); 20109 } 20110 final PackageParser.Package pkg; 20111 try (PackageFreezer freezer = 20112 freezePackage(deletedPkg.packageName, "setEnabledSetting")) { 20113 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 20114 | PackageParser.PARSE_ENFORCE_CODE; 20115 pkg = scanPackageTracedLI(codePath, parseFlags, 0 /*scanFlags*/, 20116 0 /*currentTime*/, null /*user*/); 20117 prepareAppDataAfterInstallLIF(pkg); 20118 synchronized (mPackages) { 20119 try { 20120 updateSharedLibrariesLPr(pkg, null); 20121 } catch (PackageManagerException e) { 20122 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: ", e); 20123 } 20124 mPermissionManager.updatePermissions( 20125 pkg.packageName, pkg, true, mPackages.values(), 20126 mPermissionCallback); 20127 mSettings.writeLPr(); 20128 } 20129 } catch (PackageManagerException e) { 20130 // Whoops! Something went wrong; try to roll back to the stub 20131 Slog.w(TAG, "Failed to install compressed system package:" 20132 + pkgSetting.name, e); 20133 // Remove the failed install 20134 removeCodePathLI(codePath); 20135 20136 // Install the system package 20137 try (PackageFreezer freezer = 20138 freezePackage(deletedPkg.packageName, "setEnabledSetting")) { 20139 synchronized (mPackages) { 20140 // NOTE: The system package always needs to be enabled; even 20141 // if it's for a compressed stub. If we don't, installing the 20142 // system package fails during scan [scanning checks the disabled 20143 // packages]. We will reverse this later, after we've "installed" 20144 // the stub. 20145 // This leaves us in a fragile state; the stub should never be 20146 // enabled, so, cross your fingers and hope nothing goes wrong 20147 // until we can disable the package later. 20148 enableSystemPackageLPw(deletedPkg); 20149 } 20150 installPackageFromSystemLIF(deletedPkg.codePath, 20151 false /*isPrivileged*/, null /*allUserHandles*/, 20152 null /*origUserHandles*/, null /*origPermissionsState*/, 20153 true /*writeSettings*/); 20154 } catch (PackageManagerException pme) { 20155 Slog.w(TAG, "Failed to restore system package:" 20156 + deletedPkg.packageName, pme); 20157 } finally { 20158 synchronized (mPackages) { 20159 mSettings.disableSystemPackageLPw( 20160 deletedPkg.packageName, true /*replaced*/); 20161 mSettings.writeLPr(); 20162 } 20163 } 20164 return; 20165 } 20166 clearAppDataLIF(pkg, UserHandle.USER_ALL, FLAG_STORAGE_DE 20167 | FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 20168 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 20169 mDexManager.notifyPackageUpdated(pkg.packageName, 20170 pkg.baseCodePath, pkg.splitCodePaths); 20171 } 20172 } 20173 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 20174 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 20175 // Don't care about who enables an app. 20176 callingPackage = null; 20177 } 20178 synchronized (mPackages) { 20179 pkgSetting.setEnabled(newState, userId, callingPackage); 20180 } 20181 } else { 20182 synchronized (mPackages) { 20183 // We're dealing with a component level state change 20184 // First, verify that this is a valid class name. 20185 PackageParser.Package pkg = pkgSetting.pkg; 20186 if (pkg == null || !pkg.hasComponentClassName(className)) { 20187 if (pkg != null && 20188 pkg.applicationInfo.targetSdkVersion >= 20189 Build.VERSION_CODES.JELLY_BEAN) { 20190 throw new IllegalArgumentException("Component class " + className 20191 + " does not exist in " + packageName); 20192 } else { 20193 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 20194 + className + " does not exist in " + packageName); 20195 } 20196 } 20197 switch (newState) { 20198 case COMPONENT_ENABLED_STATE_ENABLED: 20199 if (!pkgSetting.enableComponentLPw(className, userId)) { 20200 return; 20201 } 20202 break; 20203 case COMPONENT_ENABLED_STATE_DISABLED: 20204 if (!pkgSetting.disableComponentLPw(className, userId)) { 20205 return; 20206 } 20207 break; 20208 case COMPONENT_ENABLED_STATE_DEFAULT: 20209 if (!pkgSetting.restoreComponentLPw(className, userId)) { 20210 return; 20211 } 20212 break; 20213 default: 20214 Slog.e(TAG, "Invalid new component state: " + newState); 20215 return; 20216 } 20217 } 20218 } 20219 synchronized (mPackages) { 20220 scheduleWritePackageRestrictionsLocked(userId); 20221 updateSequenceNumberLP(pkgSetting, new int[] { userId }); 20222 final long callingId = Binder.clearCallingIdentity(); 20223 try { 20224 updateInstantAppInstallerLocked(packageName); 20225 } finally { 20226 Binder.restoreCallingIdentity(callingId); 20227 } 20228 components = mPendingBroadcasts.get(userId, packageName); 20229 final boolean newPackage = components == null; 20230 if (newPackage) { 20231 components = new ArrayList<String>(); 20232 } 20233 if (!components.contains(componentName)) { 20234 components.add(componentName); 20235 } 20236 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 20237 sendNow = true; 20238 // Purge entry from pending broadcast list if another one exists already 20239 // since we are sending one right away. 20240 mPendingBroadcasts.remove(userId, packageName); 20241 } else { 20242 if (newPackage) { 20243 mPendingBroadcasts.put(userId, packageName, components); 20244 } 20245 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 20246 // Schedule a message 20247 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 20248 } 20249 } 20250 } 20251 20252 long callingId = Binder.clearCallingIdentity(); 20253 try { 20254 if (sendNow) { 20255 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 20256 sendPackageChangedBroadcast(packageName, 20257 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 20258 } 20259 } finally { 20260 Binder.restoreCallingIdentity(callingId); 20261 } 20262 } 20263 20264 @Override 20265 public void flushPackageRestrictionsAsUser(int userId) { 20266 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 20267 return; 20268 } 20269 if (!sUserManager.exists(userId)) { 20270 return; 20271 } 20272 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 20273 false /* checkShell */, "flushPackageRestrictions"); 20274 synchronized (mPackages) { 20275 mSettings.writePackageRestrictionsLPr(userId); 20276 mDirtyUsers.remove(userId); 20277 if (mDirtyUsers.isEmpty()) { 20278 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 20279 } 20280 } 20281 } 20282 20283 private void sendPackageChangedBroadcast(String packageName, 20284 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 20285 if (DEBUG_INSTALL) 20286 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 20287 + componentNames); 20288 Bundle extras = new Bundle(4); 20289 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 20290 String nameList[] = new String[componentNames.size()]; 20291 componentNames.toArray(nameList); 20292 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 20293 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 20294 extras.putInt(Intent.EXTRA_UID, packageUid); 20295 // If this is not reporting a change of the overall package, then only send it 20296 // to registered receivers. We don't want to launch a swath of apps for every 20297 // little component state change. 20298 final int flags = !componentNames.contains(packageName) 20299 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 20300 final int userId = UserHandle.getUserId(packageUid); 20301 final boolean isInstantApp = isInstantApp(packageName, userId); 20302 final int[] userIds = isInstantApp ? EMPTY_INT_ARRAY : new int[] { userId }; 20303 final int[] instantUserIds = isInstantApp ? new int[] { userId } : EMPTY_INT_ARRAY; 20304 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 20305 userIds, instantUserIds); 20306 } 20307 20308 @Override 20309 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 20310 if (!sUserManager.exists(userId)) return; 20311 final int callingUid = Binder.getCallingUid(); 20312 if (getInstantAppPackageName(callingUid) != null) { 20313 return; 20314 } 20315 final int permission = mContext.checkCallingOrSelfPermission( 20316 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 20317 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 20318 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 20319 true /* requireFullPermission */, true /* checkShell */, "stop package"); 20320 // writer 20321 synchronized (mPackages) { 20322 final PackageSetting ps = mSettings.mPackages.get(packageName); 20323 if (!filterAppAccessLPr(ps, callingUid, userId) 20324 && mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 20325 allowedByPermission, callingUid, userId)) { 20326 scheduleWritePackageRestrictionsLocked(userId); 20327 } 20328 } 20329 } 20330 20331 @Override 20332 public String getInstallerPackageName(String packageName) { 20333 final int callingUid = Binder.getCallingUid(); 20334 if (getInstantAppPackageName(callingUid) != null) { 20335 return null; 20336 } 20337 // reader 20338 synchronized (mPackages) { 20339 final PackageSetting ps = mSettings.mPackages.get(packageName); 20340 if (filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 20341 return null; 20342 } 20343 return mSettings.getInstallerPackageNameLPr(packageName); 20344 } 20345 } 20346 20347 public boolean isOrphaned(String packageName) { 20348 // reader 20349 synchronized (mPackages) { 20350 return mSettings.isOrphaned(packageName); 20351 } 20352 } 20353 20354 @Override 20355 public int getApplicationEnabledSetting(String packageName, int userId) { 20356 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 20357 int callingUid = Binder.getCallingUid(); 20358 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 20359 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 20360 // reader 20361 synchronized (mPackages) { 20362 if (filterAppAccessLPr(mSettings.getPackageLPr(packageName), callingUid, userId)) { 20363 return COMPONENT_ENABLED_STATE_DISABLED; 20364 } 20365 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 20366 } 20367 } 20368 20369 @Override 20370 public int getComponentEnabledSetting(ComponentName component, int userId) { 20371 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 20372 int callingUid = Binder.getCallingUid(); 20373 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 20374 false /*requireFullPermission*/, false /*checkShell*/, "getComponentEnabled"); 20375 synchronized (mPackages) { 20376 if (filterAppAccessLPr(mSettings.getPackageLPr(component.getPackageName()), callingUid, 20377 component, TYPE_UNKNOWN, userId)) { 20378 return COMPONENT_ENABLED_STATE_DISABLED; 20379 } 20380 return mSettings.getComponentEnabledSettingLPr(component, userId); 20381 } 20382 } 20383 20384 @Override 20385 public void enterSafeMode() { 20386 enforceSystemOrRoot("Only the system can request entering safe mode"); 20387 20388 if (!mSystemReady) { 20389 mSafeMode = true; 20390 } 20391 } 20392 20393 @Override 20394 public void systemReady() { 20395 enforceSystemOrRoot("Only the system can claim the system is ready"); 20396 20397 mSystemReady = true; 20398 final ContentResolver resolver = mContext.getContentResolver(); 20399 ContentObserver co = new ContentObserver(mHandler) { 20400 @Override 20401 public void onChange(boolean selfChange) { 20402 mEphemeralAppsDisabled = 20403 (Global.getInt(resolver, Global.ENABLE_EPHEMERAL_FEATURE, 1) == 0) || 20404 (Secure.getInt(resolver, Secure.INSTANT_APPS_ENABLED, 1) == 0); 20405 } 20406 }; 20407 mContext.getContentResolver().registerContentObserver(android.provider.Settings.Global 20408 .getUriFor(Global.ENABLE_EPHEMERAL_FEATURE), 20409 false, co, UserHandle.USER_SYSTEM); 20410 mContext.getContentResolver().registerContentObserver(android.provider.Settings.Global 20411 .getUriFor(Secure.INSTANT_APPS_ENABLED), false, co, UserHandle.USER_SYSTEM); 20412 co.onChange(true); 20413 20414 // This observer provides an one directional mapping from Global.PRIV_APP_OOB_ENABLED to 20415 // pm.dexopt.priv-apps-oob property. This is only for experiment and should be removed once 20416 // it is done. 20417 ContentObserver privAppOobObserver = new ContentObserver(mHandler) { 20418 @Override 20419 public void onChange(boolean selfChange) { 20420 int oobEnabled = Global.getInt(resolver, Global.PRIV_APP_OOB_ENABLED, 0); 20421 SystemProperties.set(PROPERTY_NAME_PM_DEXOPT_PRIV_APPS_OOB, 20422 oobEnabled == 1 ? "true" : "false"); 20423 } 20424 }; 20425 mContext.getContentResolver().registerContentObserver( 20426 Global.getUriFor(Global.PRIV_APP_OOB_ENABLED), false, privAppOobObserver, 20427 UserHandle.USER_SYSTEM); 20428 // At boot, restore the value from the setting, which persists across reboot. 20429 privAppOobObserver.onChange(true); 20430 20431 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 20432 // disabled after already being started. 20433 CarrierAppUtils.disableCarrierAppsUntilPrivileged(mContext.getOpPackageName(), this, 20434 mContext.getContentResolver(), UserHandle.USER_SYSTEM); 20435 20436 // Read the compatibilty setting when the system is ready. 20437 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 20438 mContext.getContentResolver(), 20439 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 20440 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 20441 if (DEBUG_SETTINGS) { 20442 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 20443 } 20444 20445 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 20446 20447 synchronized (mPackages) { 20448 // Verify that all of the preferred activity components actually 20449 // exist. It is possible for applications to be updated and at 20450 // that point remove a previously declared activity component that 20451 // had been set as a preferred activity. We try to clean this up 20452 // the next time we encounter that preferred activity, but it is 20453 // possible for the user flow to never be able to return to that 20454 // situation so here we do a sanity check to make sure we haven't 20455 // left any junk around. 20456 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 20457 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 20458 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 20459 removed.clear(); 20460 for (PreferredActivity pa : pir.filterSet()) { 20461 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 20462 removed.add(pa); 20463 } 20464 } 20465 if (removed.size() > 0) { 20466 for (int r=0; r<removed.size(); r++) { 20467 PreferredActivity pa = removed.get(r); 20468 Slog.w(TAG, "Removing dangling preferred activity: " 20469 + pa.mPref.mComponent); 20470 pir.removeFilter(pa); 20471 } 20472 mSettings.writePackageRestrictionsLPr( 20473 mSettings.mPreferredActivities.keyAt(i)); 20474 } 20475 } 20476 20477 for (int userId : UserManagerService.getInstance().getUserIds()) { 20478 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 20479 grantPermissionsUserIds = ArrayUtils.appendInt( 20480 grantPermissionsUserIds, userId); 20481 } 20482 } 20483 } 20484 sUserManager.systemReady(); 20485 // If we upgraded grant all default permissions before kicking off. 20486 for (int userId : grantPermissionsUserIds) { 20487 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20488 } 20489 20490 if (grantPermissionsUserIds == EMPTY_INT_ARRAY) { 20491 // If we did not grant default permissions, we preload from this the 20492 // default permission exceptions lazily to ensure we don't hit the 20493 // disk on a new user creation. 20494 mDefaultPermissionPolicy.scheduleReadDefaultPermissionExceptions(); 20495 } 20496 20497 // Now that we've scanned all packages, and granted any default 20498 // permissions, ensure permissions are updated. Beware of dragons if you 20499 // try optimizing this. 20500 synchronized (mPackages) { 20501 mPermissionManager.updateAllPermissions( 20502 StorageManager.UUID_PRIVATE_INTERNAL, false, mPackages.values(), 20503 mPermissionCallback); 20504 } 20505 20506 // Kick off any messages waiting for system ready 20507 if (mPostSystemReadyMessages != null) { 20508 for (Message msg : mPostSystemReadyMessages) { 20509 msg.sendToTarget(); 20510 } 20511 mPostSystemReadyMessages = null; 20512 } 20513 20514 // Watch for external volumes that come and go over time 20515 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20516 storage.registerListener(mStorageListener); 20517 20518 mInstallerService.systemReady(); 20519 mPackageDexOptimizer.systemReady(); 20520 20521 StorageManagerInternal StorageManagerInternal = LocalServices.getService( 20522 StorageManagerInternal.class); 20523 StorageManagerInternal.addExternalStoragePolicy( 20524 new StorageManagerInternal.ExternalStorageMountPolicy() { 20525 @Override 20526 public int getMountMode(int uid, String packageName) { 20527 if (Process.isIsolated(uid)) { 20528 return Zygote.MOUNT_EXTERNAL_NONE; 20529 } 20530 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 20531 return Zygote.MOUNT_EXTERNAL_DEFAULT; 20532 } 20533 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 20534 return Zygote.MOUNT_EXTERNAL_DEFAULT; 20535 } 20536 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 20537 return Zygote.MOUNT_EXTERNAL_READ; 20538 } 20539 return Zygote.MOUNT_EXTERNAL_WRITE; 20540 } 20541 20542 @Override 20543 public boolean hasExternalStorage(int uid, String packageName) { 20544 return true; 20545 } 20546 }); 20547 20548 // Now that we're mostly running, clean up stale users and apps 20549 sUserManager.reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 20550 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 20551 20552 mPermissionManager.systemReady(); 20553 } 20554 20555 public void waitForAppDataPrepared() { 20556 if (mPrepareAppDataFuture == null) { 20557 return; 20558 } 20559 ConcurrentUtils.waitForFutureNoInterrupt(mPrepareAppDataFuture, "wait for prepareAppData"); 20560 mPrepareAppDataFuture = null; 20561 } 20562 20563 @Override 20564 public boolean isSafeMode() { 20565 // allow instant applications 20566 return mSafeMode; 20567 } 20568 20569 @Override 20570 public boolean hasSystemUidErrors() { 20571 // allow instant applications 20572 return mHasSystemUidErrors; 20573 } 20574 20575 static String arrayToString(int[] array) { 20576 StringBuffer buf = new StringBuffer(128); 20577 buf.append('['); 20578 if (array != null) { 20579 for (int i=0; i<array.length; i++) { 20580 if (i > 0) buf.append(", "); 20581 buf.append(array[i]); 20582 } 20583 } 20584 buf.append(']'); 20585 return buf.toString(); 20586 } 20587 20588 @Override 20589 public void onShellCommand(FileDescriptor in, FileDescriptor out, 20590 FileDescriptor err, String[] args, ShellCallback callback, 20591 ResultReceiver resultReceiver) { 20592 (new PackageManagerShellCommand(this)).exec( 20593 this, in, out, err, args, callback, resultReceiver); 20594 } 20595 20596 @Override 20597 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 20598 if (!DumpUtils.checkDumpAndUsageStatsPermission(mContext, TAG, pw)) return; 20599 20600 DumpState dumpState = new DumpState(); 20601 boolean fullPreferred = false; 20602 boolean checkin = false; 20603 20604 String packageName = null; 20605 ArraySet<String> permissionNames = null; 20606 20607 int opti = 0; 20608 while (opti < args.length) { 20609 String opt = args[opti]; 20610 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 20611 break; 20612 } 20613 opti++; 20614 20615 if ("-a".equals(opt)) { 20616 // Right now we only know how to print all. 20617 } else if ("-h".equals(opt)) { 20618 pw.println("Package manager dump options:"); 20619 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 20620 pw.println(" --checkin: dump for a checkin"); 20621 pw.println(" -f: print details of intent filters"); 20622 pw.println(" -h: print this help"); 20623 pw.println(" cmd may be one of:"); 20624 pw.println(" l[ibraries]: list known shared libraries"); 20625 pw.println(" f[eatures]: list device features"); 20626 pw.println(" k[eysets]: print known keysets"); 20627 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 20628 pw.println(" perm[issions]: dump permissions"); 20629 pw.println(" permission [name ...]: dump declaration and use of given permission"); 20630 pw.println(" pref[erred]: print preferred package settings"); 20631 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 20632 pw.println(" prov[iders]: dump content providers"); 20633 pw.println(" p[ackages]: dump installed packages"); 20634 pw.println(" s[hared-users]: dump shared user IDs"); 20635 pw.println(" m[essages]: print collected runtime messages"); 20636 pw.println(" v[erifiers]: print package verifier info"); 20637 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 20638 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 20639 pw.println(" version: print database version info"); 20640 pw.println(" write: write current settings now"); 20641 pw.println(" installs: details about install sessions"); 20642 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 20643 pw.println(" dexopt: dump dexopt state"); 20644 pw.println(" compiler-stats: dump compiler statistics"); 20645 pw.println(" enabled-overlays: dump list of enabled overlay packages"); 20646 pw.println(" service-permissions: dump permissions required by services"); 20647 pw.println(" <package.name>: info about given package"); 20648 return; 20649 } else if ("--checkin".equals(opt)) { 20650 checkin = true; 20651 } else if ("-f".equals(opt)) { 20652 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 20653 } else if ("--proto".equals(opt)) { 20654 dumpProto(fd); 20655 return; 20656 } else { 20657 pw.println("Unknown argument: " + opt + "; use -h for help"); 20658 } 20659 } 20660 20661 // Is the caller requesting to dump a particular piece of data? 20662 if (opti < args.length) { 20663 String cmd = args[opti]; 20664 opti++; 20665 // Is this a package name? 20666 if ("android".equals(cmd) || cmd.contains(".")) { 20667 packageName = cmd; 20668 // When dumping a single package, we always dump all of its 20669 // filter information since the amount of data will be reasonable. 20670 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 20671 } else if ("check-permission".equals(cmd)) { 20672 if (opti >= args.length) { 20673 pw.println("Error: check-permission missing permission argument"); 20674 return; 20675 } 20676 String perm = args[opti]; 20677 opti++; 20678 if (opti >= args.length) { 20679 pw.println("Error: check-permission missing package argument"); 20680 return; 20681 } 20682 20683 String pkg = args[opti]; 20684 opti++; 20685 int user = UserHandle.getUserId(Binder.getCallingUid()); 20686 if (opti < args.length) { 20687 try { 20688 user = Integer.parseInt(args[opti]); 20689 } catch (NumberFormatException e) { 20690 pw.println("Error: check-permission user argument is not a number: " 20691 + args[opti]); 20692 return; 20693 } 20694 } 20695 20696 // Normalize package name to handle renamed packages and static libs 20697 pkg = resolveInternalPackageNameLPr(pkg, PackageManager.VERSION_CODE_HIGHEST); 20698 20699 pw.println(checkPermission(perm, pkg, user)); 20700 return; 20701 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 20702 dumpState.setDump(DumpState.DUMP_LIBS); 20703 } else if ("f".equals(cmd) || "features".equals(cmd)) { 20704 dumpState.setDump(DumpState.DUMP_FEATURES); 20705 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 20706 if (opti >= args.length) { 20707 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 20708 | DumpState.DUMP_SERVICE_RESOLVERS 20709 | DumpState.DUMP_RECEIVER_RESOLVERS 20710 | DumpState.DUMP_CONTENT_RESOLVERS); 20711 } else { 20712 while (opti < args.length) { 20713 String name = args[opti]; 20714 if ("a".equals(name) || "activity".equals(name)) { 20715 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 20716 } else if ("s".equals(name) || "service".equals(name)) { 20717 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 20718 } else if ("r".equals(name) || "receiver".equals(name)) { 20719 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 20720 } else if ("c".equals(name) || "content".equals(name)) { 20721 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 20722 } else { 20723 pw.println("Error: unknown resolver table type: " + name); 20724 return; 20725 } 20726 opti++; 20727 } 20728 } 20729 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 20730 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 20731 } else if ("permission".equals(cmd)) { 20732 if (opti >= args.length) { 20733 pw.println("Error: permission requires permission name"); 20734 return; 20735 } 20736 permissionNames = new ArraySet<>(); 20737 while (opti < args.length) { 20738 permissionNames.add(args[opti]); 20739 opti++; 20740 } 20741 dumpState.setDump(DumpState.DUMP_PERMISSIONS 20742 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 20743 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 20744 dumpState.setDump(DumpState.DUMP_PREFERRED); 20745 } else if ("preferred-xml".equals(cmd)) { 20746 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 20747 if (opti < args.length && "--full".equals(args[opti])) { 20748 fullPreferred = true; 20749 opti++; 20750 } 20751 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 20752 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 20753 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 20754 dumpState.setDump(DumpState.DUMP_PACKAGES); 20755 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 20756 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 20757 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 20758 dumpState.setDump(DumpState.DUMP_PROVIDERS); 20759 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 20760 dumpState.setDump(DumpState.DUMP_MESSAGES); 20761 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 20762 dumpState.setDump(DumpState.DUMP_VERIFIERS); 20763 } else if ("i".equals(cmd) || "ifv".equals(cmd) 20764 || "intent-filter-verifiers".equals(cmd)) { 20765 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 20766 } else if ("version".equals(cmd)) { 20767 dumpState.setDump(DumpState.DUMP_VERSION); 20768 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 20769 dumpState.setDump(DumpState.DUMP_KEYSETS); 20770 } else if ("installs".equals(cmd)) { 20771 dumpState.setDump(DumpState.DUMP_INSTALLS); 20772 } else if ("frozen".equals(cmd)) { 20773 dumpState.setDump(DumpState.DUMP_FROZEN); 20774 } else if ("volumes".equals(cmd)) { 20775 dumpState.setDump(DumpState.DUMP_VOLUMES); 20776 } else if ("dexopt".equals(cmd)) { 20777 dumpState.setDump(DumpState.DUMP_DEXOPT); 20778 } else if ("compiler-stats".equals(cmd)) { 20779 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 20780 } else if ("changes".equals(cmd)) { 20781 dumpState.setDump(DumpState.DUMP_CHANGES); 20782 } else if ("service-permissions".equals(cmd)) { 20783 dumpState.setDump(DumpState.DUMP_SERVICE_PERMISSIONS); 20784 } else if ("write".equals(cmd)) { 20785 synchronized (mPackages) { 20786 mSettings.writeLPr(); 20787 pw.println("Settings written."); 20788 return; 20789 } 20790 } 20791 } 20792 20793 if (checkin) { 20794 pw.println("vers,1"); 20795 } 20796 20797 // reader 20798 synchronized (mPackages) { 20799 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 20800 if (!checkin) { 20801 if (dumpState.onTitlePrinted()) 20802 pw.println(); 20803 pw.println("Database versions:"); 20804 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 20805 } 20806 } 20807 20808 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 20809 if (!checkin) { 20810 if (dumpState.onTitlePrinted()) 20811 pw.println(); 20812 pw.println("Verifiers:"); 20813 pw.print(" Required: "); 20814 pw.print(mRequiredVerifierPackage); 20815 pw.print(" (uid="); 20816 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 20817 UserHandle.USER_SYSTEM)); 20818 pw.println(")"); 20819 } else if (mRequiredVerifierPackage != null) { 20820 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 20821 pw.print(","); 20822 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 20823 UserHandle.USER_SYSTEM)); 20824 } 20825 } 20826 20827 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 20828 packageName == null) { 20829 if (mIntentFilterVerifierComponent != null) { 20830 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 20831 if (!checkin) { 20832 if (dumpState.onTitlePrinted()) 20833 pw.println(); 20834 pw.println("Intent Filter Verifier:"); 20835 pw.print(" Using: "); 20836 pw.print(verifierPackageName); 20837 pw.print(" (uid="); 20838 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 20839 UserHandle.USER_SYSTEM)); 20840 pw.println(")"); 20841 } else if (verifierPackageName != null) { 20842 pw.print("ifv,"); pw.print(verifierPackageName); 20843 pw.print(","); 20844 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 20845 UserHandle.USER_SYSTEM)); 20846 } 20847 } else { 20848 pw.println(); 20849 pw.println("No Intent Filter Verifier available!"); 20850 } 20851 } 20852 20853 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 20854 boolean printedHeader = false; 20855 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 20856 while (it.hasNext()) { 20857 String libName = it.next(); 20858 LongSparseArray<SharedLibraryEntry> versionedLib 20859 = mSharedLibraries.get(libName); 20860 if (versionedLib == null) { 20861 continue; 20862 } 20863 final int versionCount = versionedLib.size(); 20864 for (int i = 0; i < versionCount; i++) { 20865 SharedLibraryEntry libEntry = versionedLib.valueAt(i); 20866 if (!checkin) { 20867 if (!printedHeader) { 20868 if (dumpState.onTitlePrinted()) 20869 pw.println(); 20870 pw.println("Libraries:"); 20871 printedHeader = true; 20872 } 20873 pw.print(" "); 20874 } else { 20875 pw.print("lib,"); 20876 } 20877 pw.print(libEntry.info.getName()); 20878 if (libEntry.info.isStatic()) { 20879 pw.print(" version=" + libEntry.info.getLongVersion()); 20880 } 20881 if (!checkin) { 20882 pw.print(" -> "); 20883 } 20884 if (libEntry.path != null) { 20885 pw.print(" (jar) "); 20886 pw.print(libEntry.path); 20887 } else { 20888 pw.print(" (apk) "); 20889 pw.print(libEntry.apk); 20890 } 20891 pw.println(); 20892 } 20893 } 20894 } 20895 20896 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 20897 if (dumpState.onTitlePrinted()) 20898 pw.println(); 20899 if (!checkin) { 20900 pw.println("Features:"); 20901 } 20902 20903 synchronized (mAvailableFeatures) { 20904 for (FeatureInfo feat : mAvailableFeatures.values()) { 20905 if (checkin) { 20906 pw.print("feat,"); 20907 pw.print(feat.name); 20908 pw.print(","); 20909 pw.println(feat.version); 20910 } else { 20911 pw.print(" "); 20912 pw.print(feat.name); 20913 if (feat.version > 0) { 20914 pw.print(" version="); 20915 pw.print(feat.version); 20916 } 20917 pw.println(); 20918 } 20919 } 20920 } 20921 } 20922 20923 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 20924 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 20925 : "Activity Resolver Table:", " ", packageName, 20926 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20927 dumpState.setTitlePrinted(true); 20928 } 20929 } 20930 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 20931 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 20932 : "Receiver Resolver Table:", " ", packageName, 20933 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20934 dumpState.setTitlePrinted(true); 20935 } 20936 } 20937 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 20938 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 20939 : "Service Resolver Table:", " ", packageName, 20940 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20941 dumpState.setTitlePrinted(true); 20942 } 20943 } 20944 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 20945 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 20946 : "Provider Resolver Table:", " ", packageName, 20947 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20948 dumpState.setTitlePrinted(true); 20949 } 20950 } 20951 20952 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 20953 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 20954 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 20955 int user = mSettings.mPreferredActivities.keyAt(i); 20956 if (pir.dump(pw, 20957 dumpState.getTitlePrinted() 20958 ? "\nPreferred Activities User " + user + ":" 20959 : "Preferred Activities User " + user + ":", " ", 20960 packageName, true, false)) { 20961 dumpState.setTitlePrinted(true); 20962 } 20963 } 20964 } 20965 20966 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 20967 pw.flush(); 20968 FileOutputStream fout = new FileOutputStream(fd); 20969 BufferedOutputStream str = new BufferedOutputStream(fout); 20970 XmlSerializer serializer = new FastXmlSerializer(); 20971 try { 20972 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 20973 serializer.startDocument(null, true); 20974 serializer.setFeature( 20975 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 20976 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 20977 serializer.endDocument(); 20978 serializer.flush(); 20979 } catch (IllegalArgumentException e) { 20980 pw.println("Failed writing: " + e); 20981 } catch (IllegalStateException e) { 20982 pw.println("Failed writing: " + e); 20983 } catch (IOException e) { 20984 pw.println("Failed writing: " + e); 20985 } 20986 } 20987 20988 if (!checkin 20989 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 20990 && packageName == null) { 20991 pw.println(); 20992 int count = mSettings.mPackages.size(); 20993 if (count == 0) { 20994 pw.println("No applications!"); 20995 pw.println(); 20996 } else { 20997 final String prefix = " "; 20998 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 20999 if (allPackageSettings.size() == 0) { 21000 pw.println("No domain preferred apps!"); 21001 pw.println(); 21002 } else { 21003 pw.println("App verification status:"); 21004 pw.println(); 21005 count = 0; 21006 for (PackageSetting ps : allPackageSettings) { 21007 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 21008 if (ivi == null || ivi.getPackageName() == null) continue; 21009 pw.println(prefix + "Package: " + ivi.getPackageName()); 21010 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 21011 pw.println(prefix + "Status: " + ivi.getStatusString()); 21012 pw.println(); 21013 count++; 21014 } 21015 if (count == 0) { 21016 pw.println(prefix + "No app verification established."); 21017 pw.println(); 21018 } 21019 for (int userId : sUserManager.getUserIds()) { 21020 pw.println("App linkages for user " + userId + ":"); 21021 pw.println(); 21022 count = 0; 21023 for (PackageSetting ps : allPackageSettings) { 21024 final long status = ps.getDomainVerificationStatusForUser(userId); 21025 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED 21026 && !DEBUG_DOMAIN_VERIFICATION) { 21027 continue; 21028 } 21029 pw.println(prefix + "Package: " + ps.name); 21030 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 21031 String statusStr = IntentFilterVerificationInfo. 21032 getStatusStringFromValue(status); 21033 pw.println(prefix + "Status: " + statusStr); 21034 pw.println(); 21035 count++; 21036 } 21037 if (count == 0) { 21038 pw.println(prefix + "No configured app linkages."); 21039 pw.println(); 21040 } 21041 } 21042 } 21043 } 21044 } 21045 21046 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 21047 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 21048 } 21049 21050 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 21051 boolean printedSomething = false; 21052 for (PackageParser.Provider p : mProviders.mProviders.values()) { 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("Registered ContentProviders:"); 21060 printedSomething = true; 21061 } 21062 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 21063 pw.print(" "); pw.println(p.toString()); 21064 } 21065 printedSomething = false; 21066 for (Map.Entry<String, PackageParser.Provider> entry : 21067 mProvidersByAuthority.entrySet()) { 21068 PackageParser.Provider p = entry.getValue(); 21069 if (packageName != null && !packageName.equals(p.info.packageName)) { 21070 continue; 21071 } 21072 if (!printedSomething) { 21073 if (dumpState.onTitlePrinted()) 21074 pw.println(); 21075 pw.println("ContentProvider Authorities:"); 21076 printedSomething = true; 21077 } 21078 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 21079 pw.print(" "); pw.println(p.toString()); 21080 if (p.info != null && p.info.applicationInfo != null) { 21081 final String appInfo = p.info.applicationInfo.toString(); 21082 pw.print(" applicationInfo="); pw.println(appInfo); 21083 } 21084 } 21085 } 21086 21087 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 21088 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 21089 } 21090 21091 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 21092 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 21093 } 21094 21095 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 21096 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 21097 } 21098 21099 if (dumpState.isDumping(DumpState.DUMP_CHANGES)) { 21100 if (dumpState.onTitlePrinted()) pw.println(); 21101 pw.println("Package Changes:"); 21102 pw.print(" Sequence number="); pw.println(mChangedPackagesSequenceNumber); 21103 final int K = mChangedPackages.size(); 21104 for (int i = 0; i < K; i++) { 21105 final SparseArray<String> changes = mChangedPackages.valueAt(i); 21106 pw.print(" User "); pw.print(mChangedPackages.keyAt(i)); pw.println(":"); 21107 final int N = changes.size(); 21108 if (N == 0) { 21109 pw.print(" "); pw.println("No packages changed"); 21110 } else { 21111 for (int j = 0; j < N; j++) { 21112 final String pkgName = changes.valueAt(j); 21113 final int sequenceNumber = changes.keyAt(j); 21114 pw.print(" "); 21115 pw.print("seq="); 21116 pw.print(sequenceNumber); 21117 pw.print(", package="); 21118 pw.println(pkgName); 21119 } 21120 } 21121 } 21122 } 21123 21124 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 21125 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 21126 } 21127 21128 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 21129 // XXX should handle packageName != null by dumping only install data that 21130 // the given package is involved with. 21131 if (dumpState.onTitlePrinted()) pw.println(); 21132 21133 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 21134 ipw.println(); 21135 ipw.println("Frozen packages:"); 21136 ipw.increaseIndent(); 21137 if (mFrozenPackages.size() == 0) { 21138 ipw.println("(none)"); 21139 } else { 21140 for (int i = 0; i < mFrozenPackages.size(); i++) { 21141 ipw.println(mFrozenPackages.valueAt(i)); 21142 } 21143 } 21144 ipw.decreaseIndent(); 21145 } 21146 21147 if (!checkin && dumpState.isDumping(DumpState.DUMP_VOLUMES) && packageName == null) { 21148 if (dumpState.onTitlePrinted()) pw.println(); 21149 21150 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 21151 ipw.println(); 21152 ipw.println("Loaded volumes:"); 21153 ipw.increaseIndent(); 21154 if (mLoadedVolumes.size() == 0) { 21155 ipw.println("(none)"); 21156 } else { 21157 for (int i = 0; i < mLoadedVolumes.size(); i++) { 21158 ipw.println(mLoadedVolumes.valueAt(i)); 21159 } 21160 } 21161 ipw.decreaseIndent(); 21162 } 21163 21164 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_PERMISSIONS) 21165 && packageName == null) { 21166 if (dumpState.onTitlePrinted()) pw.println(); 21167 pw.println("Service permissions:"); 21168 21169 final Iterator<ServiceIntentInfo> filterIterator = mServices.filterIterator(); 21170 while (filterIterator.hasNext()) { 21171 final ServiceIntentInfo info = filterIterator.next(); 21172 final ServiceInfo serviceInfo = info.service.info; 21173 final String permission = serviceInfo.permission; 21174 if (permission != null) { 21175 pw.print(" "); 21176 pw.print(serviceInfo.getComponentName().flattenToShortString()); 21177 pw.print(": "); 21178 pw.println(permission); 21179 } 21180 } 21181 } 21182 21183 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 21184 if (dumpState.onTitlePrinted()) pw.println(); 21185 dumpDexoptStateLPr(pw, packageName); 21186 } 21187 21188 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 21189 if (dumpState.onTitlePrinted()) pw.println(); 21190 dumpCompilerStatsLPr(pw, packageName); 21191 } 21192 21193 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 21194 if (dumpState.onTitlePrinted()) pw.println(); 21195 mSettings.dumpReadMessagesLPr(pw, dumpState); 21196 21197 pw.println(); 21198 pw.println("Package warning messages:"); 21199 dumpCriticalInfo(pw, null); 21200 } 21201 21202 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 21203 dumpCriticalInfo(pw, "msg,"); 21204 } 21205 } 21206 21207 // PackageInstaller should be called outside of mPackages lock 21208 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 21209 // XXX should handle packageName != null by dumping only install data that 21210 // the given package is involved with. 21211 if (dumpState.onTitlePrinted()) pw.println(); 21212 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 21213 } 21214 } 21215 21216 private void dumpProto(FileDescriptor fd) { 21217 final ProtoOutputStream proto = new ProtoOutputStream(fd); 21218 21219 synchronized (mPackages) { 21220 final long requiredVerifierPackageToken = 21221 proto.start(PackageServiceDumpProto.REQUIRED_VERIFIER_PACKAGE); 21222 proto.write(PackageServiceDumpProto.PackageShortProto.NAME, mRequiredVerifierPackage); 21223 proto.write( 21224 PackageServiceDumpProto.PackageShortProto.UID, 21225 getPackageUid( 21226 mRequiredVerifierPackage, 21227 MATCH_DEBUG_TRIAGED_MISSING, 21228 UserHandle.USER_SYSTEM)); 21229 proto.end(requiredVerifierPackageToken); 21230 21231 if (mIntentFilterVerifierComponent != null) { 21232 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 21233 final long verifierPackageToken = 21234 proto.start(PackageServiceDumpProto.VERIFIER_PACKAGE); 21235 proto.write(PackageServiceDumpProto.PackageShortProto.NAME, verifierPackageName); 21236 proto.write( 21237 PackageServiceDumpProto.PackageShortProto.UID, 21238 getPackageUid( 21239 verifierPackageName, 21240 MATCH_DEBUG_TRIAGED_MISSING, 21241 UserHandle.USER_SYSTEM)); 21242 proto.end(verifierPackageToken); 21243 } 21244 21245 dumpSharedLibrariesProto(proto); 21246 dumpFeaturesProto(proto); 21247 mSettings.dumpPackagesProto(proto); 21248 mSettings.dumpSharedUsersProto(proto); 21249 dumpCriticalInfo(proto); 21250 } 21251 proto.flush(); 21252 } 21253 21254 private void dumpFeaturesProto(ProtoOutputStream proto) { 21255 synchronized (mAvailableFeatures) { 21256 final int count = mAvailableFeatures.size(); 21257 for (int i = 0; i < count; i++) { 21258 mAvailableFeatures.valueAt(i).writeToProto(proto, PackageServiceDumpProto.FEATURES); 21259 } 21260 } 21261 } 21262 21263 private void dumpSharedLibrariesProto(ProtoOutputStream proto) { 21264 final int count = mSharedLibraries.size(); 21265 for (int i = 0; i < count; i++) { 21266 final String libName = mSharedLibraries.keyAt(i); 21267 LongSparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(libName); 21268 if (versionedLib == null) { 21269 continue; 21270 } 21271 final int versionCount = versionedLib.size(); 21272 for (int j = 0; j < versionCount; j++) { 21273 final SharedLibraryEntry libEntry = versionedLib.valueAt(j); 21274 final long sharedLibraryToken = 21275 proto.start(PackageServiceDumpProto.SHARED_LIBRARIES); 21276 proto.write(PackageServiceDumpProto.SharedLibraryProto.NAME, libEntry.info.getName()); 21277 final boolean isJar = (libEntry.path != null); 21278 proto.write(PackageServiceDumpProto.SharedLibraryProto.IS_JAR, isJar); 21279 if (isJar) { 21280 proto.write(PackageServiceDumpProto.SharedLibraryProto.PATH, libEntry.path); 21281 } else { 21282 proto.write(PackageServiceDumpProto.SharedLibraryProto.APK, libEntry.apk); 21283 } 21284 proto.end(sharedLibraryToken); 21285 } 21286 } 21287 } 21288 21289 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 21290 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " "); 21291 ipw.println(); 21292 ipw.println("Dexopt state:"); 21293 ipw.increaseIndent(); 21294 Collection<PackageParser.Package> packages = null; 21295 if (packageName != null) { 21296 PackageParser.Package targetPackage = mPackages.get(packageName); 21297 if (targetPackage != null) { 21298 packages = Collections.singletonList(targetPackage); 21299 } else { 21300 ipw.println("Unable to find package: " + packageName); 21301 return; 21302 } 21303 } else { 21304 packages = mPackages.values(); 21305 } 21306 21307 for (PackageParser.Package pkg : packages) { 21308 ipw.println("[" + pkg.packageName + "]"); 21309 ipw.increaseIndent(); 21310 mPackageDexOptimizer.dumpDexoptState(ipw, pkg, 21311 mDexManager.getPackageUseInfoOrDefault(pkg.packageName)); 21312 ipw.decreaseIndent(); 21313 } 21314 } 21315 21316 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 21317 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " "); 21318 ipw.println(); 21319 ipw.println("Compiler stats:"); 21320 ipw.increaseIndent(); 21321 Collection<PackageParser.Package> packages = null; 21322 if (packageName != null) { 21323 PackageParser.Package targetPackage = mPackages.get(packageName); 21324 if (targetPackage != null) { 21325 packages = Collections.singletonList(targetPackage); 21326 } else { 21327 ipw.println("Unable to find package: " + packageName); 21328 return; 21329 } 21330 } else { 21331 packages = mPackages.values(); 21332 } 21333 21334 for (PackageParser.Package pkg : packages) { 21335 ipw.println("[" + pkg.packageName + "]"); 21336 ipw.increaseIndent(); 21337 21338 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 21339 if (stats == null) { 21340 ipw.println("(No recorded stats)"); 21341 } else { 21342 stats.dump(ipw); 21343 } 21344 ipw.decreaseIndent(); 21345 } 21346 } 21347 21348 private String dumpDomainString(String packageName) { 21349 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 21350 .getList(); 21351 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 21352 21353 ArraySet<String> result = new ArraySet<>(); 21354 if (iviList.size() > 0) { 21355 for (IntentFilterVerificationInfo ivi : iviList) { 21356 for (String host : ivi.getDomains()) { 21357 result.add(host); 21358 } 21359 } 21360 } 21361 if (filters != null && filters.size() > 0) { 21362 for (IntentFilter filter : filters) { 21363 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 21364 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 21365 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 21366 result.addAll(filter.getHostsList()); 21367 } 21368 } 21369 } 21370 21371 StringBuilder sb = new StringBuilder(result.size() * 16); 21372 for (String domain : result) { 21373 if (sb.length() > 0) sb.append(" "); 21374 sb.append(domain); 21375 } 21376 return sb.toString(); 21377 } 21378 21379 // ------- apps on sdcard specific code ------- 21380 static final boolean DEBUG_SD_INSTALL = false; 21381 21382 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 21383 21384 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 21385 21386 private boolean mMediaMounted = false; 21387 21388 static String getEncryptKey() { 21389 try { 21390 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 21391 SD_ENCRYPTION_KEYSTORE_NAME); 21392 if (sdEncKey == null) { 21393 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 21394 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 21395 if (sdEncKey == null) { 21396 Slog.e(TAG, "Failed to create encryption keys"); 21397 return null; 21398 } 21399 } 21400 return sdEncKey; 21401 } catch (NoSuchAlgorithmException nsae) { 21402 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 21403 return null; 21404 } catch (IOException ioe) { 21405 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 21406 return null; 21407 } 21408 } 21409 21410 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 21411 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 21412 final int size = infos.size(); 21413 final String[] packageNames = new String[size]; 21414 final int[] packageUids = new int[size]; 21415 for (int i = 0; i < size; i++) { 21416 final ApplicationInfo info = infos.get(i); 21417 packageNames[i] = info.packageName; 21418 packageUids[i] = info.uid; 21419 } 21420 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 21421 finishedReceiver); 21422 } 21423 21424 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 21425 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 21426 sendResourcesChangedBroadcast(mediaStatus, replacing, 21427 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 21428 } 21429 21430 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 21431 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 21432 int size = pkgList.length; 21433 if (size > 0) { 21434 // Send broadcasts here 21435 Bundle extras = new Bundle(); 21436 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 21437 if (uidArr != null) { 21438 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 21439 } 21440 if (replacing) { 21441 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 21442 } 21443 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 21444 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 21445 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null, null); 21446 } 21447 } 21448 21449 private void loadPrivatePackages(final VolumeInfo vol) { 21450 mHandler.post(new Runnable() { 21451 @Override 21452 public void run() { 21453 loadPrivatePackagesInner(vol); 21454 } 21455 }); 21456 } 21457 21458 private void loadPrivatePackagesInner(VolumeInfo vol) { 21459 final String volumeUuid = vol.fsUuid; 21460 if (TextUtils.isEmpty(volumeUuid)) { 21461 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 21462 return; 21463 } 21464 21465 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 21466 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 21467 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 21468 21469 final VersionInfo ver; 21470 final List<PackageSetting> packages; 21471 synchronized (mPackages) { 21472 ver = mSettings.findOrCreateVersion(volumeUuid); 21473 packages = mSettings.getVolumePackagesLPr(volumeUuid); 21474 } 21475 21476 for (PackageSetting ps : packages) { 21477 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 21478 synchronized (mInstallLock) { 21479 final PackageParser.Package pkg; 21480 try { 21481 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 21482 loaded.add(pkg.applicationInfo); 21483 21484 } catch (PackageManagerException e) { 21485 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 21486 } 21487 21488 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 21489 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 21490 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 21491 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 21492 } 21493 } 21494 } 21495 21496 // Reconcile app data for all started/unlocked users 21497 final StorageManager sm = mContext.getSystemService(StorageManager.class); 21498 final UserManager um = mContext.getSystemService(UserManager.class); 21499 UserManagerInternal umInternal = getUserManagerInternal(); 21500 for (UserInfo user : um.getUsers()) { 21501 final int flags; 21502 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 21503 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 21504 } else if (umInternal.isUserRunning(user.id)) { 21505 flags = StorageManager.FLAG_STORAGE_DE; 21506 } else { 21507 continue; 21508 } 21509 21510 try { 21511 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 21512 synchronized (mInstallLock) { 21513 reconcileAppsDataLI(volumeUuid, user.id, flags, true /* migrateAppData */); 21514 } 21515 } catch (IllegalStateException e) { 21516 // Device was probably ejected, and we'll process that event momentarily 21517 Slog.w(TAG, "Failed to prepare storage: " + e); 21518 } 21519 } 21520 21521 synchronized (mPackages) { 21522 final boolean sdkUpdated = (ver.sdkVersion != mSdkVersion); 21523 if (sdkUpdated) { 21524 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 21525 + mSdkVersion + "; regranting permissions for " + volumeUuid); 21526 } 21527 mPermissionManager.updateAllPermissions(volumeUuid, sdkUpdated, mPackages.values(), 21528 mPermissionCallback); 21529 21530 // Yay, everything is now upgraded 21531 ver.forceCurrent(); 21532 21533 mSettings.writeLPr(); 21534 } 21535 21536 for (PackageFreezer freezer : freezers) { 21537 freezer.close(); 21538 } 21539 21540 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 21541 sendResourcesChangedBroadcast(true, false, loaded, null); 21542 mLoadedVolumes.add(vol.getId()); 21543 } 21544 21545 private void unloadPrivatePackages(final VolumeInfo vol) { 21546 mHandler.post(new Runnable() { 21547 @Override 21548 public void run() { 21549 unloadPrivatePackagesInner(vol); 21550 } 21551 }); 21552 } 21553 21554 private void unloadPrivatePackagesInner(VolumeInfo vol) { 21555 final String volumeUuid = vol.fsUuid; 21556 if (TextUtils.isEmpty(volumeUuid)) { 21557 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 21558 return; 21559 } 21560 21561 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 21562 synchronized (mInstallLock) { 21563 synchronized (mPackages) { 21564 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 21565 for (PackageSetting ps : packages) { 21566 if (ps.pkg == null) continue; 21567 21568 final ApplicationInfo info = ps.pkg.applicationInfo; 21569 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 21570 final PackageRemovedInfo outInfo = new PackageRemovedInfo(this); 21571 21572 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 21573 "unloadPrivatePackagesInner")) { 21574 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 21575 false, null)) { 21576 unloaded.add(info); 21577 } else { 21578 Slog.w(TAG, "Failed to unload " + ps.codePath); 21579 } 21580 } 21581 21582 // Try very hard to release any references to this package 21583 // so we don't risk the system server being killed due to 21584 // open FDs 21585 AttributeCache.instance().removePackage(ps.name); 21586 } 21587 21588 mSettings.writeLPr(); 21589 } 21590 } 21591 21592 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 21593 sendResourcesChangedBroadcast(false, false, unloaded, null); 21594 mLoadedVolumes.remove(vol.getId()); 21595 21596 // Try very hard to release any references to this path so we don't risk 21597 // the system server being killed due to open FDs 21598 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 21599 21600 for (int i = 0; i < 3; i++) { 21601 System.gc(); 21602 System.runFinalization(); 21603 } 21604 } 21605 21606 private void assertPackageKnown(String volumeUuid, String packageName) 21607 throws PackageManagerException { 21608 synchronized (mPackages) { 21609 // Normalize package name to handle renamed packages 21610 packageName = normalizePackageNameLPr(packageName); 21611 21612 final PackageSetting ps = mSettings.mPackages.get(packageName); 21613 if (ps == null) { 21614 throw new PackageManagerException("Package " + packageName + " is unknown"); 21615 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 21616 throw new PackageManagerException( 21617 "Package " + packageName + " found on unknown volume " + volumeUuid 21618 + "; expected volume " + ps.volumeUuid); 21619 } 21620 } 21621 } 21622 21623 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 21624 throws PackageManagerException { 21625 synchronized (mPackages) { 21626 // Normalize package name to handle renamed packages 21627 packageName = normalizePackageNameLPr(packageName); 21628 21629 final PackageSetting ps = mSettings.mPackages.get(packageName); 21630 if (ps == null) { 21631 throw new PackageManagerException("Package " + packageName + " is unknown"); 21632 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 21633 throw new PackageManagerException( 21634 "Package " + packageName + " found on unknown volume " + volumeUuid 21635 + "; expected volume " + ps.volumeUuid); 21636 } else if (!ps.getInstalled(userId)) { 21637 throw new PackageManagerException( 21638 "Package " + packageName + " not installed for user " + userId); 21639 } 21640 } 21641 } 21642 21643 private List<String> collectAbsoluteCodePaths() { 21644 synchronized (mPackages) { 21645 List<String> codePaths = new ArrayList<>(); 21646 final int packageCount = mSettings.mPackages.size(); 21647 for (int i = 0; i < packageCount; i++) { 21648 final PackageSetting ps = mSettings.mPackages.valueAt(i); 21649 codePaths.add(ps.codePath.getAbsolutePath()); 21650 } 21651 return codePaths; 21652 } 21653 } 21654 21655 /** 21656 * Examine all apps present on given mounted volume, and destroy apps that 21657 * aren't expected, either due to uninstallation or reinstallation on 21658 * another volume. 21659 */ 21660 private void reconcileApps(String volumeUuid) { 21661 List<String> absoluteCodePaths = collectAbsoluteCodePaths(); 21662 List<File> filesToDelete = null; 21663 21664 final File[] files = FileUtils.listFilesOrEmpty( 21665 Environment.getDataAppDirectory(volumeUuid)); 21666 for (File file : files) { 21667 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 21668 && !PackageInstallerService.isStageName(file.getName()); 21669 if (!isPackage) { 21670 // Ignore entries which are not packages 21671 continue; 21672 } 21673 21674 String absolutePath = file.getAbsolutePath(); 21675 21676 boolean pathValid = false; 21677 final int absoluteCodePathCount = absoluteCodePaths.size(); 21678 for (int i = 0; i < absoluteCodePathCount; i++) { 21679 String absoluteCodePath = absoluteCodePaths.get(i); 21680 if (absolutePath.startsWith(absoluteCodePath)) { 21681 pathValid = true; 21682 break; 21683 } 21684 } 21685 21686 if (!pathValid) { 21687 if (filesToDelete == null) { 21688 filesToDelete = new ArrayList<>(); 21689 } 21690 filesToDelete.add(file); 21691 } 21692 } 21693 21694 if (filesToDelete != null) { 21695 final int fileToDeleteCount = filesToDelete.size(); 21696 for (int i = 0; i < fileToDeleteCount; i++) { 21697 File fileToDelete = filesToDelete.get(i); 21698 logCriticalInfo(Log.WARN, "Destroying orphaned" + fileToDelete); 21699 synchronized (mInstallLock) { 21700 removeCodePathLI(fileToDelete); 21701 } 21702 } 21703 } 21704 } 21705 21706 /** 21707 * Reconcile all app data for the given user. 21708 * <p> 21709 * Verifies that directories exist and that ownership and labeling is 21710 * correct for all installed apps on all mounted volumes. 21711 */ 21712 void reconcileAppsData(int userId, int flags, boolean migrateAppsData) { 21713 final StorageManager storage = mContext.getSystemService(StorageManager.class); 21714 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 21715 final String volumeUuid = vol.getFsUuid(); 21716 synchronized (mInstallLock) { 21717 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppsData); 21718 } 21719 } 21720 } 21721 21722 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags, 21723 boolean migrateAppData) { 21724 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppData, false /* onlyCoreApps */); 21725 } 21726 21727 /** 21728 * Reconcile all app data on given mounted volume. 21729 * <p> 21730 * Destroys app data that isn't expected, either due to uninstallation or 21731 * reinstallation on another volume. 21732 * <p> 21733 * Verifies that directories exist and that ownership and labeling is 21734 * correct for all installed apps. 21735 * @returns list of skipped non-core packages (if {@code onlyCoreApps} is true) 21736 */ 21737 private List<String> reconcileAppsDataLI(String volumeUuid, int userId, int flags, 21738 boolean migrateAppData, boolean onlyCoreApps) { 21739 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 21740 + Integer.toHexString(flags) + " migrateAppData=" + migrateAppData); 21741 List<String> result = onlyCoreApps ? new ArrayList<>() : null; 21742 21743 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 21744 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 21745 21746 // First look for stale data that doesn't belong, and check if things 21747 // have changed since we did our last restorecon 21748 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 21749 if (StorageManager.isFileEncryptedNativeOrEmulated() 21750 && !StorageManager.isUserKeyUnlocked(userId)) { 21751 throw new RuntimeException( 21752 "Yikes, someone asked us to reconcile CE storage while " + userId 21753 + " was still locked; this would have caused massive data loss!"); 21754 } 21755 21756 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 21757 for (File file : files) { 21758 final String packageName = file.getName(); 21759 try { 21760 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 21761 } catch (PackageManagerException e) { 21762 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 21763 try { 21764 mInstaller.destroyAppData(volumeUuid, packageName, userId, 21765 StorageManager.FLAG_STORAGE_CE, 0); 21766 } catch (InstallerException e2) { 21767 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 21768 } 21769 } 21770 } 21771 } 21772 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 21773 final File[] files = FileUtils.listFilesOrEmpty(deDir); 21774 for (File file : files) { 21775 final String packageName = file.getName(); 21776 try { 21777 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 21778 } catch (PackageManagerException e) { 21779 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 21780 try { 21781 mInstaller.destroyAppData(volumeUuid, packageName, userId, 21782 StorageManager.FLAG_STORAGE_DE, 0); 21783 } catch (InstallerException e2) { 21784 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 21785 } 21786 } 21787 } 21788 } 21789 21790 // Ensure that data directories are ready to roll for all packages 21791 // installed for this volume and user 21792 final List<PackageSetting> packages; 21793 synchronized (mPackages) { 21794 packages = mSettings.getVolumePackagesLPr(volumeUuid); 21795 } 21796 int preparedCount = 0; 21797 for (PackageSetting ps : packages) { 21798 final String packageName = ps.name; 21799 if (ps.pkg == null) { 21800 Slog.w(TAG, "Odd, missing scanned package " + packageName); 21801 // TODO: might be due to legacy ASEC apps; we should circle back 21802 // and reconcile again once they're scanned 21803 continue; 21804 } 21805 // Skip non-core apps if requested 21806 if (onlyCoreApps && !ps.pkg.coreApp) { 21807 result.add(packageName); 21808 continue; 21809 } 21810 21811 if (ps.getInstalled(userId)) { 21812 prepareAppDataAndMigrateLIF(ps.pkg, userId, flags, migrateAppData); 21813 preparedCount++; 21814 } 21815 } 21816 21817 Slog.v(TAG, "reconcileAppsData finished " + preparedCount + " packages"); 21818 return result; 21819 } 21820 21821 /** 21822 * Prepare app data for the given app just after it was installed or 21823 * upgraded. This method carefully only touches users that it's installed 21824 * for, and it forces a restorecon to handle any seinfo changes. 21825 * <p> 21826 * Verifies that directories exist and that ownership and labeling is 21827 * correct for all installed apps. If there is an ownership mismatch, it 21828 * will try recovering system apps by wiping data; third-party app data is 21829 * left intact. 21830 * <p> 21831 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 21832 */ 21833 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 21834 final PackageSetting ps; 21835 synchronized (mPackages) { 21836 ps = mSettings.mPackages.get(pkg.packageName); 21837 mSettings.writeKernelMappingLPr(ps); 21838 } 21839 21840 final UserManager um = mContext.getSystemService(UserManager.class); 21841 UserManagerInternal umInternal = getUserManagerInternal(); 21842 for (UserInfo user : um.getUsers()) { 21843 final int flags; 21844 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 21845 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 21846 } else if (umInternal.isUserRunning(user.id)) { 21847 flags = StorageManager.FLAG_STORAGE_DE; 21848 } else { 21849 continue; 21850 } 21851 21852 if (ps.getInstalled(user.id)) { 21853 // TODO: when user data is locked, mark that we're still dirty 21854 prepareAppDataLIF(pkg, user.id, flags); 21855 } 21856 } 21857 } 21858 21859 /** 21860 * Prepare app data for the given app. 21861 * <p> 21862 * Verifies that directories exist and that ownership and labeling is 21863 * correct for all installed apps. If there is an ownership mismatch, this 21864 * will try recovering system apps by wiping data; third-party app data is 21865 * left intact. 21866 */ 21867 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 21868 if (pkg == null) { 21869 Slog.wtf(TAG, "Package was null!", new Throwable()); 21870 return; 21871 } 21872 prepareAppDataLeafLIF(pkg, userId, flags); 21873 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 21874 for (int i = 0; i < childCount; i++) { 21875 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 21876 } 21877 } 21878 21879 private void prepareAppDataAndMigrateLIF(PackageParser.Package pkg, int userId, int flags, 21880 boolean maybeMigrateAppData) { 21881 prepareAppDataLIF(pkg, userId, flags); 21882 21883 if (maybeMigrateAppData && maybeMigrateAppDataLIF(pkg, userId)) { 21884 // We may have just shuffled around app data directories, so 21885 // prepare them one more time 21886 prepareAppDataLIF(pkg, userId, flags); 21887 } 21888 } 21889 21890 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 21891 if (DEBUG_APP_DATA) { 21892 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 21893 + Integer.toHexString(flags)); 21894 } 21895 21896 final String volumeUuid = pkg.volumeUuid; 21897 final String packageName = pkg.packageName; 21898 final ApplicationInfo app = pkg.applicationInfo; 21899 final int appId = UserHandle.getAppId(app.uid); 21900 21901 Preconditions.checkNotNull(app.seInfo); 21902 21903 long ceDataInode = -1; 21904 try { 21905 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 21906 appId, app.seInfo, app.targetSdkVersion); 21907 } catch (InstallerException e) { 21908 if (app.isSystemApp()) { 21909 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 21910 + ", but trying to recover: " + e); 21911 destroyAppDataLeafLIF(pkg, userId, flags); 21912 try { 21913 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 21914 appId, app.seInfo, app.targetSdkVersion); 21915 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 21916 } catch (InstallerException e2) { 21917 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 21918 } 21919 } else { 21920 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 21921 } 21922 } 21923 // Prepare the application profiles. 21924 mArtManagerService.prepareAppProfiles(pkg, userId); 21925 21926 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && ceDataInode != -1) { 21927 // TODO: mark this structure as dirty so we persist it! 21928 synchronized (mPackages) { 21929 final PackageSetting ps = mSettings.mPackages.get(packageName); 21930 if (ps != null) { 21931 ps.setCeDataInode(ceDataInode, userId); 21932 } 21933 } 21934 } 21935 21936 prepareAppDataContentsLeafLIF(pkg, userId, flags); 21937 } 21938 21939 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 21940 if (pkg == null) { 21941 Slog.wtf(TAG, "Package was null!", new Throwable()); 21942 return; 21943 } 21944 prepareAppDataContentsLeafLIF(pkg, userId, flags); 21945 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 21946 for (int i = 0; i < childCount; i++) { 21947 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 21948 } 21949 } 21950 21951 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 21952 final String volumeUuid = pkg.volumeUuid; 21953 final String packageName = pkg.packageName; 21954 final ApplicationInfo app = pkg.applicationInfo; 21955 21956 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 21957 // Create a native library symlink only if we have native libraries 21958 // and if the native libraries are 32 bit libraries. We do not provide 21959 // this symlink for 64 bit libraries. 21960 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 21961 final String nativeLibPath = app.nativeLibraryDir; 21962 try { 21963 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 21964 nativeLibPath, userId); 21965 } catch (InstallerException e) { 21966 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 21967 } 21968 } 21969 } 21970 } 21971 21972 /** 21973 * For system apps on non-FBE devices, this method migrates any existing 21974 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 21975 * requested by the app. 21976 */ 21977 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 21978 if (pkg.isSystem() && !StorageManager.isFileEncryptedNativeOrEmulated() 21979 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 21980 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 21981 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 21982 try { 21983 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 21984 storageTarget); 21985 } catch (InstallerException e) { 21986 logCriticalInfo(Log.WARN, 21987 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 21988 } 21989 return true; 21990 } else { 21991 return false; 21992 } 21993 } 21994 21995 public PackageFreezer freezePackage(String packageName, String killReason) { 21996 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 21997 } 21998 21999 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 22000 return new PackageFreezer(packageName, userId, killReason); 22001 } 22002 22003 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 22004 String killReason) { 22005 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 22006 } 22007 22008 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 22009 String killReason) { 22010 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 22011 return new PackageFreezer(); 22012 } else { 22013 return freezePackage(packageName, userId, killReason); 22014 } 22015 } 22016 22017 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 22018 String killReason) { 22019 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 22020 } 22021 22022 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 22023 String killReason) { 22024 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 22025 return new PackageFreezer(); 22026 } else { 22027 return freezePackage(packageName, userId, killReason); 22028 } 22029 } 22030 22031 /** 22032 * Class that freezes and kills the given package upon creation, and 22033 * unfreezes it upon closing. This is typically used when doing surgery on 22034 * app code/data to prevent the app from running while you're working. 22035 */ 22036 private class PackageFreezer implements AutoCloseable { 22037 private final String mPackageName; 22038 private final PackageFreezer[] mChildren; 22039 22040 private final boolean mWeFroze; 22041 22042 private final AtomicBoolean mClosed = new AtomicBoolean(); 22043 private final CloseGuard mCloseGuard = CloseGuard.get(); 22044 22045 /** 22046 * Create and return a stub freezer that doesn't actually do anything, 22047 * typically used when someone requested 22048 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 22049 * {@link PackageManager#DELETE_DONT_KILL_APP}. 22050 */ 22051 public PackageFreezer() { 22052 mPackageName = null; 22053 mChildren = null; 22054 mWeFroze = false; 22055 mCloseGuard.open("close"); 22056 } 22057 22058 public PackageFreezer(String packageName, int userId, String killReason) { 22059 synchronized (mPackages) { 22060 mPackageName = packageName; 22061 mWeFroze = mFrozenPackages.add(mPackageName); 22062 22063 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 22064 if (ps != null) { 22065 killApplication(ps.name, ps.appId, userId, killReason); 22066 } 22067 22068 final PackageParser.Package p = mPackages.get(packageName); 22069 if (p != null && p.childPackages != null) { 22070 final int N = p.childPackages.size(); 22071 mChildren = new PackageFreezer[N]; 22072 for (int i = 0; i < N; i++) { 22073 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 22074 userId, killReason); 22075 } 22076 } else { 22077 mChildren = null; 22078 } 22079 } 22080 mCloseGuard.open("close"); 22081 } 22082 22083 @Override 22084 protected void finalize() throws Throwable { 22085 try { 22086 if (mCloseGuard != null) { 22087 mCloseGuard.warnIfOpen(); 22088 } 22089 22090 close(); 22091 } finally { 22092 super.finalize(); 22093 } 22094 } 22095 22096 @Override 22097 public void close() { 22098 mCloseGuard.close(); 22099 if (mClosed.compareAndSet(false, true)) { 22100 synchronized (mPackages) { 22101 if (mWeFroze) { 22102 mFrozenPackages.remove(mPackageName); 22103 } 22104 22105 if (mChildren != null) { 22106 for (PackageFreezer freezer : mChildren) { 22107 freezer.close(); 22108 } 22109 } 22110 } 22111 } 22112 } 22113 } 22114 22115 /** 22116 * Verify that given package is currently frozen. 22117 */ 22118 private void checkPackageFrozen(String packageName) { 22119 synchronized (mPackages) { 22120 if (!mFrozenPackages.contains(packageName)) { 22121 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 22122 } 22123 } 22124 } 22125 22126 @Override 22127 public int movePackage(final String packageName, final String volumeUuid) { 22128 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 22129 22130 final int callingUid = Binder.getCallingUid(); 22131 final UserHandle user = new UserHandle(UserHandle.getUserId(callingUid)); 22132 final int moveId = mNextMoveId.getAndIncrement(); 22133 mHandler.post(new Runnable() { 22134 @Override 22135 public void run() { 22136 try { 22137 movePackageInternal(packageName, volumeUuid, moveId, callingUid, user); 22138 } catch (PackageManagerException e) { 22139 Slog.w(TAG, "Failed to move " + packageName, e); 22140 mMoveCallbacks.notifyStatusChanged(moveId, e.error); 22141 } 22142 } 22143 }); 22144 return moveId; 22145 } 22146 22147 private void movePackageInternal(final String packageName, final String volumeUuid, 22148 final int moveId, final int callingUid, UserHandle user) 22149 throws PackageManagerException { 22150 final StorageManager storage = mContext.getSystemService(StorageManager.class); 22151 final PackageManager pm = mContext.getPackageManager(); 22152 22153 final boolean currentAsec; 22154 final String currentVolumeUuid; 22155 final File codeFile; 22156 final String installerPackageName; 22157 final String packageAbiOverride; 22158 final int appId; 22159 final String seinfo; 22160 final String label; 22161 final int targetSdkVersion; 22162 final PackageFreezer freezer; 22163 final int[] installedUserIds; 22164 22165 // reader 22166 synchronized (mPackages) { 22167 final PackageParser.Package pkg = mPackages.get(packageName); 22168 final PackageSetting ps = mSettings.mPackages.get(packageName); 22169 if (pkg == null 22170 || ps == null 22171 || filterAppAccessLPr(ps, callingUid, user.getIdentifier())) { 22172 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 22173 } 22174 if (pkg.applicationInfo.isSystemApp()) { 22175 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 22176 "Cannot move system application"); 22177 } 22178 22179 final boolean isInternalStorage = VolumeInfo.ID_PRIVATE_INTERNAL.equals(volumeUuid); 22180 final boolean allow3rdPartyOnInternal = mContext.getResources().getBoolean( 22181 com.android.internal.R.bool.config_allow3rdPartyAppOnInternal); 22182 if (isInternalStorage && !allow3rdPartyOnInternal) { 22183 throw new PackageManagerException(MOVE_FAILED_3RD_PARTY_NOT_ALLOWED_ON_INTERNAL, 22184 "3rd party apps are not allowed on internal storage"); 22185 } 22186 22187 if (pkg.applicationInfo.isExternalAsec()) { 22188 currentAsec = true; 22189 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 22190 } else if (pkg.applicationInfo.isForwardLocked()) { 22191 currentAsec = true; 22192 currentVolumeUuid = "forward_locked"; 22193 } else { 22194 currentAsec = false; 22195 currentVolumeUuid = ps.volumeUuid; 22196 22197 final File probe = new File(pkg.codePath); 22198 final File probeOat = new File(probe, "oat"); 22199 if (!probe.isDirectory() || !probeOat.isDirectory()) { 22200 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22201 "Move only supported for modern cluster style installs"); 22202 } 22203 } 22204 22205 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 22206 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22207 "Package already moved to " + volumeUuid); 22208 } 22209 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 22210 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 22211 "Device admin cannot be moved"); 22212 } 22213 22214 if (mFrozenPackages.contains(packageName)) { 22215 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 22216 "Failed to move already frozen package"); 22217 } 22218 22219 codeFile = new File(pkg.codePath); 22220 installerPackageName = ps.installerPackageName; 22221 packageAbiOverride = ps.cpuAbiOverrideString; 22222 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 22223 seinfo = pkg.applicationInfo.seInfo; 22224 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 22225 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 22226 freezer = freezePackage(packageName, "movePackageInternal"); 22227 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 22228 } 22229 22230 final Bundle extras = new Bundle(); 22231 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 22232 extras.putString(Intent.EXTRA_TITLE, label); 22233 mMoveCallbacks.notifyCreated(moveId, extras); 22234 22235 int installFlags; 22236 final boolean moveCompleteApp; 22237 final File measurePath; 22238 22239 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 22240 installFlags = INSTALL_INTERNAL; 22241 moveCompleteApp = !currentAsec; 22242 measurePath = Environment.getDataAppDirectory(volumeUuid); 22243 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 22244 installFlags = INSTALL_EXTERNAL; 22245 moveCompleteApp = false; 22246 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 22247 } else { 22248 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 22249 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 22250 || !volume.isMountedWritable()) { 22251 freezer.close(); 22252 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22253 "Move location not mounted private volume"); 22254 } 22255 22256 Preconditions.checkState(!currentAsec); 22257 22258 installFlags = INSTALL_INTERNAL; 22259 moveCompleteApp = true; 22260 measurePath = Environment.getDataAppDirectory(volumeUuid); 22261 } 22262 22263 // If we're moving app data around, we need all the users unlocked 22264 if (moveCompleteApp) { 22265 for (int userId : installedUserIds) { 22266 if (StorageManager.isFileEncryptedNativeOrEmulated() 22267 && !StorageManager.isUserKeyUnlocked(userId)) { 22268 throw new PackageManagerException(MOVE_FAILED_LOCKED_USER, 22269 "User " + userId + " must be unlocked"); 22270 } 22271 } 22272 } 22273 22274 final PackageStats stats = new PackageStats(null, -1); 22275 synchronized (mInstaller) { 22276 for (int userId : installedUserIds) { 22277 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 22278 freezer.close(); 22279 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22280 "Failed to measure package size"); 22281 } 22282 } 22283 } 22284 22285 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 22286 + stats.dataSize); 22287 22288 final long startFreeBytes = measurePath.getUsableSpace(); 22289 final long sizeBytes; 22290 if (moveCompleteApp) { 22291 sizeBytes = stats.codeSize + stats.dataSize; 22292 } else { 22293 sizeBytes = stats.codeSize; 22294 } 22295 22296 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 22297 freezer.close(); 22298 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22299 "Not enough free space to move"); 22300 } 22301 22302 mMoveCallbacks.notifyStatusChanged(moveId, 10); 22303 22304 final CountDownLatch installedLatch = new CountDownLatch(1); 22305 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 22306 @Override 22307 public void onUserActionRequired(Intent intent) throws RemoteException { 22308 throw new IllegalStateException(); 22309 } 22310 22311 @Override 22312 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 22313 Bundle extras) throws RemoteException { 22314 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 22315 + PackageManager.installStatusToString(returnCode, msg)); 22316 22317 installedLatch.countDown(); 22318 freezer.close(); 22319 22320 final int status = PackageManager.installStatusToPublicStatus(returnCode); 22321 switch (status) { 22322 case PackageInstaller.STATUS_SUCCESS: 22323 mMoveCallbacks.notifyStatusChanged(moveId, 22324 PackageManager.MOVE_SUCCEEDED); 22325 break; 22326 case PackageInstaller.STATUS_FAILURE_STORAGE: 22327 mMoveCallbacks.notifyStatusChanged(moveId, 22328 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 22329 break; 22330 default: 22331 mMoveCallbacks.notifyStatusChanged(moveId, 22332 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 22333 break; 22334 } 22335 } 22336 }; 22337 22338 final MoveInfo move; 22339 if (moveCompleteApp) { 22340 // Kick off a thread to report progress estimates 22341 new Thread() { 22342 @Override 22343 public void run() { 22344 while (true) { 22345 try { 22346 if (installedLatch.await(1, TimeUnit.SECONDS)) { 22347 break; 22348 } 22349 } catch (InterruptedException ignored) { 22350 } 22351 22352 final long deltaFreeBytes = startFreeBytes - measurePath.getUsableSpace(); 22353 final int progress = 10 + (int) MathUtils.constrain( 22354 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 22355 mMoveCallbacks.notifyStatusChanged(moveId, progress); 22356 } 22357 } 22358 }.start(); 22359 22360 final String dataAppName = codeFile.getName(); 22361 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 22362 dataAppName, appId, seinfo, targetSdkVersion); 22363 } else { 22364 move = null; 22365 } 22366 22367 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 22368 22369 final Message msg = mHandler.obtainMessage(INIT_COPY); 22370 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 22371 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 22372 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 22373 packageAbiOverride, null /*grantedPermissions*/, 22374 PackageParser.SigningDetails.UNKNOWN, PackageManager.INSTALL_REASON_UNKNOWN); 22375 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 22376 msg.obj = params; 22377 22378 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 22379 System.identityHashCode(msg.obj)); 22380 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 22381 System.identityHashCode(msg.obj)); 22382 22383 mHandler.sendMessage(msg); 22384 } 22385 22386 @Override 22387 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 22388 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 22389 22390 final int realMoveId = mNextMoveId.getAndIncrement(); 22391 final Bundle extras = new Bundle(); 22392 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 22393 mMoveCallbacks.notifyCreated(realMoveId, extras); 22394 22395 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 22396 @Override 22397 public void onCreated(int moveId, Bundle extras) { 22398 // Ignored 22399 } 22400 22401 @Override 22402 public void onStatusChanged(int moveId, int status, long estMillis) { 22403 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 22404 } 22405 }; 22406 22407 final StorageManager storage = mContext.getSystemService(StorageManager.class); 22408 storage.setPrimaryStorageUuid(volumeUuid, callback); 22409 return realMoveId; 22410 } 22411 22412 @Override 22413 public int getMoveStatus(int moveId) { 22414 mContext.enforceCallingOrSelfPermission( 22415 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22416 return mMoveCallbacks.mLastStatus.get(moveId); 22417 } 22418 22419 @Override 22420 public void registerMoveCallback(IPackageMoveObserver callback) { 22421 mContext.enforceCallingOrSelfPermission( 22422 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22423 mMoveCallbacks.register(callback); 22424 } 22425 22426 @Override 22427 public void unregisterMoveCallback(IPackageMoveObserver callback) { 22428 mContext.enforceCallingOrSelfPermission( 22429 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22430 mMoveCallbacks.unregister(callback); 22431 } 22432 22433 @Override 22434 public boolean setInstallLocation(int loc) { 22435 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 22436 null); 22437 if (getInstallLocation() == loc) { 22438 return true; 22439 } 22440 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 22441 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 22442 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 22443 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 22444 return true; 22445 } 22446 return false; 22447 } 22448 22449 @Override 22450 public int getInstallLocation() { 22451 // allow instant app access 22452 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 22453 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 22454 PackageHelper.APP_INSTALL_AUTO); 22455 } 22456 22457 /** Called by UserManagerService */ 22458 void cleanUpUser(UserManagerService userManager, int userHandle) { 22459 synchronized (mPackages) { 22460 mDirtyUsers.remove(userHandle); 22461 mUserNeedsBadging.delete(userHandle); 22462 mSettings.removeUserLPw(userHandle); 22463 mPendingBroadcasts.remove(userHandle); 22464 mInstantAppRegistry.onUserRemovedLPw(userHandle); 22465 removeUnusedPackagesLPw(userManager, userHandle); 22466 } 22467 } 22468 22469 /** 22470 * We're removing userHandle and would like to remove any downloaded packages 22471 * that are no longer in use by any other user. 22472 * @param userHandle the user being removed 22473 */ 22474 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 22475 final boolean DEBUG_CLEAN_APKS = false; 22476 int [] users = userManager.getUserIds(); 22477 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 22478 while (psit.hasNext()) { 22479 PackageSetting ps = psit.next(); 22480 if (ps.pkg == null) { 22481 continue; 22482 } 22483 final String packageName = ps.pkg.packageName; 22484 // Skip over if system app 22485 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 22486 continue; 22487 } 22488 if (DEBUG_CLEAN_APKS) { 22489 Slog.i(TAG, "Checking package " + packageName); 22490 } 22491 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 22492 if (keep) { 22493 if (DEBUG_CLEAN_APKS) { 22494 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 22495 } 22496 } else { 22497 for (int i = 0; i < users.length; i++) { 22498 if (users[i] != userHandle && ps.getInstalled(users[i])) { 22499 keep = true; 22500 if (DEBUG_CLEAN_APKS) { 22501 Slog.i(TAG, " Keeping package " + packageName + " for user " 22502 + users[i]); 22503 } 22504 break; 22505 } 22506 } 22507 } 22508 if (!keep) { 22509 if (DEBUG_CLEAN_APKS) { 22510 Slog.i(TAG, " Removing package " + packageName); 22511 } 22512 mHandler.post(new Runnable() { 22513 public void run() { 22514 deletePackageX(packageName, PackageManager.VERSION_CODE_HIGHEST, 22515 userHandle, 0); 22516 } //end run 22517 }); 22518 } 22519 } 22520 } 22521 22522 /** Called by UserManagerService */ 22523 void createNewUser(int userId, String[] disallowedPackages) { 22524 synchronized (mInstallLock) { 22525 mSettings.createNewUserLI(this, mInstaller, userId, disallowedPackages); 22526 } 22527 synchronized (mPackages) { 22528 scheduleWritePackageRestrictionsLocked(userId); 22529 scheduleWritePackageListLocked(userId); 22530 applyFactoryDefaultBrowserLPw(userId); 22531 primeDomainVerificationsLPw(userId); 22532 } 22533 } 22534 22535 void onNewUserCreated(final int userId) { 22536 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 22537 synchronized(mPackages) { 22538 // If permission review for legacy apps is required, we represent 22539 // dagerous permissions for such apps as always granted runtime 22540 // permissions to keep per user flag state whether review is needed. 22541 // Hence, if a new user is added we have to propagate dangerous 22542 // permission grants for these legacy apps. 22543 if (mSettings.mPermissions.mPermissionReviewRequired) { 22544// NOTE: This adds UPDATE_PERMISSIONS_REPLACE_PKG 22545 mPermissionManager.updateAllPermissions( 22546 StorageManager.UUID_PRIVATE_INTERNAL, true, mPackages.values(), 22547 mPermissionCallback); 22548 } 22549 } 22550 } 22551 22552 @Override 22553 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 22554 mContext.enforceCallingOrSelfPermission( 22555 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 22556 "Only package verification agents can read the verifier device identity"); 22557 22558 synchronized (mPackages) { 22559 return mSettings.getVerifierDeviceIdentityLPw(); 22560 } 22561 } 22562 22563 @Override 22564 public void setPermissionEnforced(String permission, boolean enforced) { 22565 // TODO: Now that we no longer change GID for storage, this should to away. 22566 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 22567 "setPermissionEnforced"); 22568 if (READ_EXTERNAL_STORAGE.equals(permission)) { 22569 synchronized (mPackages) { 22570 if (mSettings.mReadExternalStorageEnforced == null 22571 || mSettings.mReadExternalStorageEnforced != enforced) { 22572 mSettings.mReadExternalStorageEnforced = 22573 enforced ? Boolean.TRUE : Boolean.FALSE; 22574 mSettings.writeLPr(); 22575 } 22576 } 22577 // kill any non-foreground processes so we restart them and 22578 // grant/revoke the GID. 22579 final IActivityManager am = ActivityManager.getService(); 22580 if (am != null) { 22581 final long token = Binder.clearCallingIdentity(); 22582 try { 22583 am.killProcessesBelowForeground("setPermissionEnforcement"); 22584 } catch (RemoteException e) { 22585 } finally { 22586 Binder.restoreCallingIdentity(token); 22587 } 22588 } 22589 } else { 22590 throw new IllegalArgumentException("No selective enforcement for " + permission); 22591 } 22592 } 22593 22594 @Override 22595 @Deprecated 22596 public boolean isPermissionEnforced(String permission) { 22597 // allow instant applications 22598 return true; 22599 } 22600 22601 @Override 22602 public boolean isStorageLow() { 22603 // allow instant applications 22604 final long token = Binder.clearCallingIdentity(); 22605 try { 22606 final DeviceStorageMonitorInternal 22607 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 22608 if (dsm != null) { 22609 return dsm.isMemoryLow(); 22610 } else { 22611 return false; 22612 } 22613 } finally { 22614 Binder.restoreCallingIdentity(token); 22615 } 22616 } 22617 22618 @Override 22619 public IPackageInstaller getPackageInstaller() { 22620 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 22621 return null; 22622 } 22623 return mInstallerService; 22624 } 22625 22626 @Override 22627 public IArtManager getArtManager() { 22628 return mArtManagerService; 22629 } 22630 22631 private boolean userNeedsBadging(int userId) { 22632 int index = mUserNeedsBadging.indexOfKey(userId); 22633 if (index < 0) { 22634 final UserInfo userInfo; 22635 final long token = Binder.clearCallingIdentity(); 22636 try { 22637 userInfo = sUserManager.getUserInfo(userId); 22638 } finally { 22639 Binder.restoreCallingIdentity(token); 22640 } 22641 final boolean b; 22642 if (userInfo != null && userInfo.isManagedProfile()) { 22643 b = true; 22644 } else { 22645 b = false; 22646 } 22647 mUserNeedsBadging.put(userId, b); 22648 return b; 22649 } 22650 return mUserNeedsBadging.valueAt(index); 22651 } 22652 22653 @Override 22654 public KeySet getKeySetByAlias(String packageName, String alias) { 22655 if (packageName == null || alias == null) { 22656 return null; 22657 } 22658 synchronized(mPackages) { 22659 final PackageParser.Package pkg = mPackages.get(packageName); 22660 if (pkg == null) { 22661 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22662 throw new IllegalArgumentException("Unknown package: " + packageName); 22663 } 22664 final PackageSetting ps = (PackageSetting) pkg.mExtras; 22665 if (filterAppAccessLPr(ps, Binder.getCallingUid(), UserHandle.getCallingUserId())) { 22666 Slog.w(TAG, "KeySet requested for filtered package: " + packageName); 22667 throw new IllegalArgumentException("Unknown package: " + packageName); 22668 } 22669 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 22670 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 22671 } 22672 } 22673 22674 @Override 22675 public KeySet getSigningKeySet(String packageName) { 22676 if (packageName == null) { 22677 return null; 22678 } 22679 synchronized(mPackages) { 22680 final int callingUid = Binder.getCallingUid(); 22681 final int callingUserId = UserHandle.getUserId(callingUid); 22682 final PackageParser.Package pkg = mPackages.get(packageName); 22683 if (pkg == null) { 22684 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22685 throw new IllegalArgumentException("Unknown package: " + packageName); 22686 } 22687 final PackageSetting ps = (PackageSetting) pkg.mExtras; 22688 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 22689 // filter and pretend the package doesn't exist 22690 Slog.w(TAG, "KeySet requested for filtered package: " + packageName 22691 + ", uid:" + callingUid); 22692 throw new IllegalArgumentException("Unknown package: " + packageName); 22693 } 22694 if (pkg.applicationInfo.uid != callingUid 22695 && Process.SYSTEM_UID != callingUid) { 22696 throw new SecurityException("May not access signing KeySet of other apps."); 22697 } 22698 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 22699 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 22700 } 22701 } 22702 22703 @Override 22704 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 22705 final int callingUid = Binder.getCallingUid(); 22706 if (getInstantAppPackageName(callingUid) != null) { 22707 return false; 22708 } 22709 if (packageName == null || ks == null) { 22710 return false; 22711 } 22712 synchronized(mPackages) { 22713 final PackageParser.Package pkg = mPackages.get(packageName); 22714 if (pkg == null 22715 || filterAppAccessLPr((PackageSetting) pkg.mExtras, callingUid, 22716 UserHandle.getUserId(callingUid))) { 22717 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22718 throw new IllegalArgumentException("Unknown package: " + packageName); 22719 } 22720 IBinder ksh = ks.getToken(); 22721 if (ksh instanceof KeySetHandle) { 22722 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 22723 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 22724 } 22725 return false; 22726 } 22727 } 22728 22729 @Override 22730 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 22731 final int callingUid = Binder.getCallingUid(); 22732 if (getInstantAppPackageName(callingUid) != null) { 22733 return false; 22734 } 22735 if (packageName == null || ks == null) { 22736 return false; 22737 } 22738 synchronized(mPackages) { 22739 final PackageParser.Package pkg = mPackages.get(packageName); 22740 if (pkg == null 22741 || filterAppAccessLPr((PackageSetting) pkg.mExtras, callingUid, 22742 UserHandle.getUserId(callingUid))) { 22743 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22744 throw new IllegalArgumentException("Unknown package: " + packageName); 22745 } 22746 IBinder ksh = ks.getToken(); 22747 if (ksh instanceof KeySetHandle) { 22748 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 22749 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 22750 } 22751 return false; 22752 } 22753 } 22754 22755 private void deletePackageIfUnusedLPr(final String packageName) { 22756 PackageSetting ps = mSettings.mPackages.get(packageName); 22757 if (ps == null) { 22758 return; 22759 } 22760 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 22761 // TODO Implement atomic delete if package is unused 22762 // It is currently possible that the package will be deleted even if it is installed 22763 // after this method returns. 22764 mHandler.post(new Runnable() { 22765 public void run() { 22766 deletePackageX(packageName, PackageManager.VERSION_CODE_HIGHEST, 22767 0, PackageManager.DELETE_ALL_USERS); 22768 } 22769 }); 22770 } 22771 } 22772 22773 /** 22774 * Check and throw if the given before/after packages would be considered a 22775 * downgrade. 22776 */ 22777 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 22778 throws PackageManagerException { 22779 if (after.getLongVersionCode() < before.getLongVersionCode()) { 22780 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22781 "Update version code " + after.versionCode + " is older than current " 22782 + before.getLongVersionCode()); 22783 } else if (after.getLongVersionCode() == before.getLongVersionCode()) { 22784 if (after.baseRevisionCode < before.baseRevisionCode) { 22785 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22786 "Update base revision code " + after.baseRevisionCode 22787 + " is older than current " + before.baseRevisionCode); 22788 } 22789 22790 if (!ArrayUtils.isEmpty(after.splitNames)) { 22791 for (int i = 0; i < after.splitNames.length; i++) { 22792 final String splitName = after.splitNames[i]; 22793 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 22794 if (j != -1) { 22795 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 22796 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22797 "Update split " + splitName + " revision code " 22798 + after.splitRevisionCodes[i] + " is older than current " 22799 + before.splitRevisionCodes[j]); 22800 } 22801 } 22802 } 22803 } 22804 } 22805 } 22806 22807 private static class MoveCallbacks extends Handler { 22808 private static final int MSG_CREATED = 1; 22809 private static final int MSG_STATUS_CHANGED = 2; 22810 22811 private final RemoteCallbackList<IPackageMoveObserver> 22812 mCallbacks = new RemoteCallbackList<>(); 22813 22814 private final SparseIntArray mLastStatus = new SparseIntArray(); 22815 22816 public MoveCallbacks(Looper looper) { 22817 super(looper); 22818 } 22819 22820 public void register(IPackageMoveObserver callback) { 22821 mCallbacks.register(callback); 22822 } 22823 22824 public void unregister(IPackageMoveObserver callback) { 22825 mCallbacks.unregister(callback); 22826 } 22827 22828 @Override 22829 public void handleMessage(Message msg) { 22830 final SomeArgs args = (SomeArgs) msg.obj; 22831 final int n = mCallbacks.beginBroadcast(); 22832 for (int i = 0; i < n; i++) { 22833 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 22834 try { 22835 invokeCallback(callback, msg.what, args); 22836 } catch (RemoteException ignored) { 22837 } 22838 } 22839 mCallbacks.finishBroadcast(); 22840 args.recycle(); 22841 } 22842 22843 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 22844 throws RemoteException { 22845 switch (what) { 22846 case MSG_CREATED: { 22847 callback.onCreated(args.argi1, (Bundle) args.arg2); 22848 break; 22849 } 22850 case MSG_STATUS_CHANGED: { 22851 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 22852 break; 22853 } 22854 } 22855 } 22856 22857 private void notifyCreated(int moveId, Bundle extras) { 22858 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 22859 22860 final SomeArgs args = SomeArgs.obtain(); 22861 args.argi1 = moveId; 22862 args.arg2 = extras; 22863 obtainMessage(MSG_CREATED, args).sendToTarget(); 22864 } 22865 22866 private void notifyStatusChanged(int moveId, int status) { 22867 notifyStatusChanged(moveId, status, -1); 22868 } 22869 22870 private void notifyStatusChanged(int moveId, int status, long estMillis) { 22871 Slog.v(TAG, "Move " + moveId + " status " + status); 22872 22873 final SomeArgs args = SomeArgs.obtain(); 22874 args.argi1 = moveId; 22875 args.argi2 = status; 22876 args.arg3 = estMillis; 22877 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 22878 22879 synchronized (mLastStatus) { 22880 mLastStatus.put(moveId, status); 22881 } 22882 } 22883 } 22884 22885 private final static class OnPermissionChangeListeners extends Handler { 22886 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 22887 22888 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 22889 new RemoteCallbackList<>(); 22890 22891 public OnPermissionChangeListeners(Looper looper) { 22892 super(looper); 22893 } 22894 22895 @Override 22896 public void handleMessage(Message msg) { 22897 switch (msg.what) { 22898 case MSG_ON_PERMISSIONS_CHANGED: { 22899 final int uid = msg.arg1; 22900 handleOnPermissionsChanged(uid); 22901 } break; 22902 } 22903 } 22904 22905 public void addListenerLocked(IOnPermissionsChangeListener listener) { 22906 mPermissionListeners.register(listener); 22907 22908 } 22909 22910 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 22911 mPermissionListeners.unregister(listener); 22912 } 22913 22914 public void onPermissionsChanged(int uid) { 22915 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 22916 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 22917 } 22918 } 22919 22920 private void handleOnPermissionsChanged(int uid) { 22921 final int count = mPermissionListeners.beginBroadcast(); 22922 try { 22923 for (int i = 0; i < count; i++) { 22924 IOnPermissionsChangeListener callback = mPermissionListeners 22925 .getBroadcastItem(i); 22926 try { 22927 callback.onPermissionsChanged(uid); 22928 } catch (RemoteException e) { 22929 Log.e(TAG, "Permission listener is dead", e); 22930 } 22931 } 22932 } finally { 22933 mPermissionListeners.finishBroadcast(); 22934 } 22935 } 22936 } 22937 22938 private class PackageManagerNative extends IPackageManagerNative.Stub { 22939 @Override 22940 public String[] getNamesForUids(int[] uids) throws RemoteException { 22941 final String[] results = PackageManagerService.this.getNamesForUids(uids); 22942 // massage results so they can be parsed by the native binder 22943 for (int i = results.length - 1; i >= 0; --i) { 22944 if (results[i] == null) { 22945 results[i] = ""; 22946 } 22947 } 22948 return results; 22949 } 22950 22951 // NB: this differentiates between preloads and sideloads 22952 @Override 22953 public String getInstallerForPackage(String packageName) throws RemoteException { 22954 final String installerName = getInstallerPackageName(packageName); 22955 if (!TextUtils.isEmpty(installerName)) { 22956 return installerName; 22957 } 22958 // differentiate between preload and sideload 22959 int callingUser = UserHandle.getUserId(Binder.getCallingUid()); 22960 ApplicationInfo appInfo = getApplicationInfo(packageName, 22961 /*flags*/ 0, 22962 /*userId*/ callingUser); 22963 if (appInfo != null && (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 22964 return "preload"; 22965 } 22966 return ""; 22967 } 22968 22969 @Override 22970 public long getVersionCodeForPackage(String packageName) throws RemoteException { 22971 try { 22972 int callingUser = UserHandle.getUserId(Binder.getCallingUid()); 22973 PackageInfo pInfo = getPackageInfo(packageName, 0, callingUser); 22974 if (pInfo != null) { 22975 return pInfo.getLongVersionCode(); 22976 } 22977 } catch (Exception e) { 22978 } 22979 return 0; 22980 } 22981 } 22982 22983 private class PackageManagerInternalImpl extends PackageManagerInternal { 22984 @Override 22985 public void updatePermissionFlagsTEMP(String permName, String packageName, int flagMask, 22986 int flagValues, int userId) { 22987 PackageManagerService.this.updatePermissionFlags( 22988 permName, packageName, flagMask, flagValues, userId); 22989 } 22990 22991 @Override 22992 public int getPermissionFlagsTEMP(String permName, String packageName, int userId) { 22993 return PackageManagerService.this.getPermissionFlags(permName, packageName, userId); 22994 } 22995 22996 @Override 22997 public boolean isInstantApp(String packageName, int userId) { 22998 return PackageManagerService.this.isInstantApp(packageName, userId); 22999 } 23000 23001 @Override 23002 public String getInstantAppPackageName(int uid) { 23003 return PackageManagerService.this.getInstantAppPackageName(uid); 23004 } 23005 23006 @Override 23007 public boolean filterAppAccess(PackageParser.Package pkg, int callingUid, int userId) { 23008 synchronized (mPackages) { 23009 return PackageManagerService.this.filterAppAccessLPr( 23010 (PackageSetting) pkg.mExtras, callingUid, userId); 23011 } 23012 } 23013 23014 @Override 23015 public PackageParser.Package getPackage(String packageName) { 23016 synchronized (mPackages) { 23017 packageName = resolveInternalPackageNameLPr( 23018 packageName, PackageManager.VERSION_CODE_HIGHEST); 23019 return mPackages.get(packageName); 23020 } 23021 } 23022 23023 @Override 23024 public PackageList getPackageList(PackageListObserver observer) { 23025 synchronized (mPackages) { 23026 final int N = mPackages.size(); 23027 final ArrayList<String> list = new ArrayList<>(N); 23028 for (int i = 0; i < N; i++) { 23029 list.add(mPackages.keyAt(i)); 23030 } 23031 final PackageList packageList = new PackageList(list, observer); 23032 if (observer != null) { 23033 mPackageListObservers.add(packageList); 23034 } 23035 return packageList; 23036 } 23037 } 23038 23039 @Override 23040 public void removePackageListObserver(PackageListObserver observer) { 23041 synchronized (mPackages) { 23042 mPackageListObservers.remove(observer); 23043 } 23044 } 23045 23046 @Override 23047 public PackageParser.Package getDisabledPackage(String packageName) { 23048 synchronized (mPackages) { 23049 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 23050 return (ps != null) ? ps.pkg : null; 23051 } 23052 } 23053 23054 @Override 23055 public String getKnownPackageName(int knownPackage, int userId) { 23056 switch(knownPackage) { 23057 case PackageManagerInternal.PACKAGE_BROWSER: 23058 return getDefaultBrowserPackageName(userId); 23059 case PackageManagerInternal.PACKAGE_INSTALLER: 23060 return mRequiredInstallerPackage; 23061 case PackageManagerInternal.PACKAGE_SETUP_WIZARD: 23062 return mSetupWizardPackage; 23063 case PackageManagerInternal.PACKAGE_SYSTEM: 23064 return "android"; 23065 case PackageManagerInternal.PACKAGE_VERIFIER: 23066 return mRequiredVerifierPackage; 23067 } 23068 return null; 23069 } 23070 23071 @Override 23072 public boolean isResolveActivityComponent(ComponentInfo component) { 23073 return mResolveActivity.packageName.equals(component.packageName) 23074 && mResolveActivity.name.equals(component.name); 23075 } 23076 23077 @Override 23078 public void setLocationPackagesProvider(PackagesProvider provider) { 23079 mDefaultPermissionPolicy.setLocationPackagesProvider(provider); 23080 } 23081 23082 @Override 23083 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 23084 mDefaultPermissionPolicy.setVoiceInteractionPackagesProvider(provider); 23085 } 23086 23087 @Override 23088 public void setSmsAppPackagesProvider(PackagesProvider provider) { 23089 mDefaultPermissionPolicy.setSmsAppPackagesProvider(provider); 23090 } 23091 23092 @Override 23093 public void setDialerAppPackagesProvider(PackagesProvider provider) { 23094 mDefaultPermissionPolicy.setDialerAppPackagesProvider(provider); 23095 } 23096 23097 @Override 23098 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 23099 mDefaultPermissionPolicy.setSimCallManagerPackagesProvider(provider); 23100 } 23101 23102 @Override 23103 public void setUseOpenWifiAppPackagesProvider(PackagesProvider provider) { 23104 mDefaultPermissionPolicy.setUseOpenWifiAppPackagesProvider(provider); 23105 } 23106 23107 @Override 23108 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 23109 mDefaultPermissionPolicy.setSyncAdapterPackagesProvider(provider); 23110 } 23111 23112 @Override 23113 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 23114 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsApp(packageName, userId); 23115 } 23116 23117 @Override 23118 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 23119 synchronized (mPackages) { 23120 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 23121 } 23122 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerApp(packageName, userId); 23123 } 23124 23125 @Override 23126 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 23127 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManager( 23128 packageName, userId); 23129 } 23130 23131 @Override 23132 public void grantDefaultPermissionsToDefaultUseOpenWifiApp(String packageName, int userId) { 23133 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultUseOpenWifiApp( 23134 packageName, userId); 23135 } 23136 23137 @Override 23138 public void setKeepUninstalledPackages(final List<String> packageList) { 23139 Preconditions.checkNotNull(packageList); 23140 List<String> removedFromList = null; 23141 synchronized (mPackages) { 23142 if (mKeepUninstalledPackages != null) { 23143 final int packagesCount = mKeepUninstalledPackages.size(); 23144 for (int i = 0; i < packagesCount; i++) { 23145 String oldPackage = mKeepUninstalledPackages.get(i); 23146 if (packageList != null && packageList.contains(oldPackage)) { 23147 continue; 23148 } 23149 if (removedFromList == null) { 23150 removedFromList = new ArrayList<>(); 23151 } 23152 removedFromList.add(oldPackage); 23153 } 23154 } 23155 mKeepUninstalledPackages = new ArrayList<>(packageList); 23156 if (removedFromList != null) { 23157 final int removedCount = removedFromList.size(); 23158 for (int i = 0; i < removedCount; i++) { 23159 deletePackageIfUnusedLPr(removedFromList.get(i)); 23160 } 23161 } 23162 } 23163 } 23164 23165 @Override 23166 public boolean isPermissionsReviewRequired(String packageName, int userId) { 23167 synchronized (mPackages) { 23168 return mPermissionManager.isPermissionsReviewRequired( 23169 mPackages.get(packageName), userId); 23170 } 23171 } 23172 23173 @Override 23174 public PackageInfo getPackageInfo( 23175 String packageName, int flags, int filterCallingUid, int userId) { 23176 return PackageManagerService.this 23177 .getPackageInfoInternal(packageName, PackageManager.VERSION_CODE_HIGHEST, 23178 flags, filterCallingUid, userId); 23179 } 23180 23181 @Override 23182 public int getPackageUid(String packageName, int flags, int userId) { 23183 return PackageManagerService.this 23184 .getPackageUid(packageName, flags, userId); 23185 } 23186 23187 @Override 23188 public ApplicationInfo getApplicationInfo( 23189 String packageName, int flags, int filterCallingUid, int userId) { 23190 return PackageManagerService.this 23191 .getApplicationInfoInternal(packageName, flags, filterCallingUid, userId); 23192 } 23193 23194 @Override 23195 public ActivityInfo getActivityInfo( 23196 ComponentName component, int flags, int filterCallingUid, int userId) { 23197 return PackageManagerService.this 23198 .getActivityInfoInternal(component, flags, filterCallingUid, userId); 23199 } 23200 23201 @Override 23202 public List<ResolveInfo> queryIntentActivities( 23203 Intent intent, int flags, int filterCallingUid, int userId) { 23204 final String resolvedType = intent.resolveTypeIfNeeded(mContext.getContentResolver()); 23205 return PackageManagerService.this 23206 .queryIntentActivitiesInternal(intent, resolvedType, flags, filterCallingUid, 23207 userId, false /*resolveForStart*/, true /*allowDynamicSplits*/); 23208 } 23209 23210 @Override 23211 public List<ResolveInfo> queryIntentServices( 23212 Intent intent, int flags, int callingUid, int userId) { 23213 final String resolvedType = intent.resolveTypeIfNeeded(mContext.getContentResolver()); 23214 return PackageManagerService.this 23215 .queryIntentServicesInternal(intent, resolvedType, flags, userId, callingUid, 23216 false); 23217 } 23218 23219 @Override 23220 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 23221 int userId) { 23222 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 23223 } 23224 23225 @Override 23226 public void setDeviceAndProfileOwnerPackages( 23227 int deviceOwnerUserId, String deviceOwnerPackage, 23228 SparseArray<String> profileOwnerPackages) { 23229 mProtectedPackages.setDeviceAndProfileOwnerPackages( 23230 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 23231 } 23232 23233 @Override 23234 public boolean isPackageDataProtected(int userId, String packageName) { 23235 return mProtectedPackages.isPackageDataProtected(userId, packageName); 23236 } 23237 23238 @Override 23239 public boolean isPackageEphemeral(int userId, String packageName) { 23240 synchronized (mPackages) { 23241 final PackageSetting ps = mSettings.mPackages.get(packageName); 23242 return ps != null ? ps.getInstantApp(userId) : false; 23243 } 23244 } 23245 23246 @Override 23247 public boolean wasPackageEverLaunched(String packageName, int userId) { 23248 synchronized (mPackages) { 23249 return mSettings.wasPackageEverLaunchedLPr(packageName, userId); 23250 } 23251 } 23252 23253 @Override 23254 public void grantRuntimePermission(String packageName, String permName, int userId, 23255 boolean overridePolicy) { 23256 PackageManagerService.this.mPermissionManager.grantRuntimePermission( 23257 permName, packageName, overridePolicy, getCallingUid(), userId, 23258 mPermissionCallback); 23259 } 23260 23261 @Override 23262 public void revokeRuntimePermission(String packageName, String permName, int userId, 23263 boolean overridePolicy) { 23264 mPermissionManager.revokeRuntimePermission( 23265 permName, packageName, overridePolicy, getCallingUid(), userId, 23266 mPermissionCallback); 23267 } 23268 23269 @Override 23270 public String getNameForUid(int uid) { 23271 return PackageManagerService.this.getNameForUid(uid); 23272 } 23273 23274 @Override 23275 public void requestInstantAppResolutionPhaseTwo(AuxiliaryResolveInfo responseObj, 23276 Intent origIntent, String resolvedType, String callingPackage, 23277 Bundle verificationBundle, int userId) { 23278 PackageManagerService.this.requestInstantAppResolutionPhaseTwo( 23279 responseObj, origIntent, resolvedType, callingPackage, verificationBundle, 23280 userId); 23281 } 23282 23283 @Override 23284 public void grantEphemeralAccess(int userId, Intent intent, 23285 int targetAppId, int ephemeralAppId) { 23286 synchronized (mPackages) { 23287 mInstantAppRegistry.grantInstantAccessLPw(userId, intent, 23288 targetAppId, ephemeralAppId); 23289 } 23290 } 23291 23292 @Override 23293 public boolean isInstantAppInstallerComponent(ComponentName component) { 23294 synchronized (mPackages) { 23295 return mInstantAppInstallerActivity != null 23296 && mInstantAppInstallerActivity.getComponentName().equals(component); 23297 } 23298 } 23299 23300 @Override 23301 public void pruneInstantApps() { 23302 mInstantAppRegistry.pruneInstantApps(); 23303 } 23304 23305 @Override 23306 public String getSetupWizardPackageName() { 23307 return mSetupWizardPackage; 23308 } 23309 23310 public void setExternalSourcesPolicy(ExternalSourcesPolicy policy) { 23311 if (policy != null) { 23312 mExternalSourcesPolicy = policy; 23313 } 23314 } 23315 23316 @Override 23317 public boolean isPackagePersistent(String packageName) { 23318 synchronized (mPackages) { 23319 PackageParser.Package pkg = mPackages.get(packageName); 23320 return pkg != null 23321 ? ((pkg.applicationInfo.flags&(ApplicationInfo.FLAG_SYSTEM 23322 | ApplicationInfo.FLAG_PERSISTENT)) == 23323 (ApplicationInfo.FLAG_SYSTEM | ApplicationInfo.FLAG_PERSISTENT)) 23324 : false; 23325 } 23326 } 23327 23328 @Override 23329 public boolean isLegacySystemApp(Package pkg) { 23330 synchronized (mPackages) { 23331 final PackageSetting ps = (PackageSetting) pkg.mExtras; 23332 return mPromoteSystemApps 23333 && ps.isSystem() 23334 && mExistingSystemPackages.contains(ps.name); 23335 } 23336 } 23337 23338 @Override 23339 public List<PackageInfo> getOverlayPackages(int userId) { 23340 final ArrayList<PackageInfo> overlayPackages = new ArrayList<PackageInfo>(); 23341 synchronized (mPackages) { 23342 for (PackageParser.Package p : mPackages.values()) { 23343 if (p.mOverlayTarget != null) { 23344 PackageInfo pkg = generatePackageInfo((PackageSetting)p.mExtras, 0, userId); 23345 if (pkg != null) { 23346 overlayPackages.add(pkg); 23347 } 23348 } 23349 } 23350 } 23351 return overlayPackages; 23352 } 23353 23354 @Override 23355 public List<String> getTargetPackageNames(int userId) { 23356 List<String> targetPackages = new ArrayList<>(); 23357 synchronized (mPackages) { 23358 for (PackageParser.Package p : mPackages.values()) { 23359 if (p.mOverlayTarget == null) { 23360 targetPackages.add(p.packageName); 23361 } 23362 } 23363 } 23364 return targetPackages; 23365 } 23366 23367 @Override 23368 public boolean setEnabledOverlayPackages(int userId, @NonNull String targetPackageName, 23369 @Nullable List<String> overlayPackageNames) { 23370 synchronized (mPackages) { 23371 if (targetPackageName == null || mPackages.get(targetPackageName) == null) { 23372 Slog.e(TAG, "failed to find package " + targetPackageName); 23373 return false; 23374 } 23375 ArrayList<String> overlayPaths = null; 23376 if (overlayPackageNames != null && overlayPackageNames.size() > 0) { 23377 final int N = overlayPackageNames.size(); 23378 overlayPaths = new ArrayList<>(N); 23379 for (int i = 0; i < N; i++) { 23380 final String packageName = overlayPackageNames.get(i); 23381 final PackageParser.Package pkg = mPackages.get(packageName); 23382 if (pkg == null) { 23383 Slog.e(TAG, "failed to find package " + packageName); 23384 return false; 23385 } 23386 overlayPaths.add(pkg.baseCodePath); 23387 } 23388 } 23389 23390 final PackageSetting ps = mSettings.mPackages.get(targetPackageName); 23391 ps.setOverlayPaths(overlayPaths, userId); 23392 return true; 23393 } 23394 } 23395 23396 @Override 23397 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 23398 int flags, int userId, boolean resolveForStart) { 23399 return resolveIntentInternal( 23400 intent, resolvedType, flags, userId, resolveForStart); 23401 } 23402 23403 @Override 23404 public ResolveInfo resolveService(Intent intent, String resolvedType, 23405 int flags, int userId, int callingUid) { 23406 return resolveServiceInternal(intent, resolvedType, flags, userId, callingUid); 23407 } 23408 23409 @Override 23410 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 23411 return PackageManagerService.this.resolveContentProviderInternal( 23412 name, flags, userId); 23413 } 23414 23415 @Override 23416 public void addIsolatedUid(int isolatedUid, int ownerUid) { 23417 synchronized (mPackages) { 23418 mIsolatedOwners.put(isolatedUid, ownerUid); 23419 } 23420 } 23421 23422 @Override 23423 public void removeIsolatedUid(int isolatedUid) { 23424 synchronized (mPackages) { 23425 mIsolatedOwners.delete(isolatedUid); 23426 } 23427 } 23428 23429 @Override 23430 public int getUidTargetSdkVersion(int uid) { 23431 synchronized (mPackages) { 23432 return getUidTargetSdkVersionLockedLPr(uid); 23433 } 23434 } 23435 23436 @Override 23437 public int getPackageTargetSdkVersion(String packageName) { 23438 synchronized (mPackages) { 23439 return getPackageTargetSdkVersionLockedLPr(packageName); 23440 } 23441 } 23442 23443 @Override 23444 public boolean canAccessInstantApps(int callingUid, int userId) { 23445 return PackageManagerService.this.canViewInstantApps(callingUid, userId); 23446 } 23447 23448 @Override 23449 public boolean hasInstantApplicationMetadata(String packageName, int userId) { 23450 synchronized (mPackages) { 23451 return mInstantAppRegistry.hasInstantApplicationMetadataLPr(packageName, userId); 23452 } 23453 } 23454 23455 @Override 23456 public void notifyPackageUse(String packageName, int reason) { 23457 synchronized (mPackages) { 23458 PackageManagerService.this.notifyPackageUseLocked(packageName, reason); 23459 } 23460 } 23461 } 23462 23463 @Override 23464 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 23465 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 23466 synchronized (mPackages) { 23467 final long identity = Binder.clearCallingIdentity(); 23468 try { 23469 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierApps( 23470 packageNames, userId); 23471 } finally { 23472 Binder.restoreCallingIdentity(identity); 23473 } 23474 } 23475 } 23476 23477 @Override 23478 public void grantDefaultPermissionsToEnabledImsServices(String[] packageNames, int userId) { 23479 enforceSystemOrPhoneCaller("grantDefaultPermissionsToEnabledImsServices"); 23480 synchronized (mPackages) { 23481 final long identity = Binder.clearCallingIdentity(); 23482 try { 23483 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledImsServices( 23484 packageNames, userId); 23485 } finally { 23486 Binder.restoreCallingIdentity(identity); 23487 } 23488 } 23489 } 23490 23491 private static void enforceSystemOrPhoneCaller(String tag) { 23492 int callingUid = Binder.getCallingUid(); 23493 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 23494 throw new SecurityException( 23495 "Cannot call " + tag + " from UID " + callingUid); 23496 } 23497 } 23498 23499 boolean isHistoricalPackageUsageAvailable() { 23500 return mPackageUsage.isHistoricalPackageUsageAvailable(); 23501 } 23502 23503 /** 23504 * Return a <b>copy</b> of the collection of packages known to the package manager. 23505 * @return A copy of the values of mPackages. 23506 */ 23507 Collection<PackageParser.Package> getPackages() { 23508 synchronized (mPackages) { 23509 return new ArrayList<>(mPackages.values()); 23510 } 23511 } 23512 23513 /** 23514 * Logs process start information (including base APK hash) to the security log. 23515 * @hide 23516 */ 23517 @Override 23518 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 23519 String apkFile, int pid) { 23520 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 23521 return; 23522 } 23523 if (!SecurityLog.isLoggingEnabled()) { 23524 return; 23525 } 23526 Bundle data = new Bundle(); 23527 data.putLong("startTimestamp", System.currentTimeMillis()); 23528 data.putString("processName", processName); 23529 data.putInt("uid", uid); 23530 data.putString("seinfo", seinfo); 23531 data.putString("apkFile", apkFile); 23532 data.putInt("pid", pid); 23533 Message msg = mProcessLoggingHandler.obtainMessage( 23534 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 23535 msg.setData(data); 23536 mProcessLoggingHandler.sendMessage(msg); 23537 } 23538 23539 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 23540 return mCompilerStats.getPackageStats(pkgName); 23541 } 23542 23543 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 23544 return getOrCreateCompilerPackageStats(pkg.packageName); 23545 } 23546 23547 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 23548 return mCompilerStats.getOrCreatePackageStats(pkgName); 23549 } 23550 23551 public void deleteCompilerPackageStats(String pkgName) { 23552 mCompilerStats.deletePackageStats(pkgName); 23553 } 23554 23555 @Override 23556 public int getInstallReason(String packageName, int userId) { 23557 final int callingUid = Binder.getCallingUid(); 23558 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 23559 true /* requireFullPermission */, false /* checkShell */, 23560 "get install reason"); 23561 synchronized (mPackages) { 23562 final PackageSetting ps = mSettings.mPackages.get(packageName); 23563 if (filterAppAccessLPr(ps, callingUid, userId)) { 23564 return PackageManager.INSTALL_REASON_UNKNOWN; 23565 } 23566 if (ps != null) { 23567 return ps.getInstallReason(userId); 23568 } 23569 } 23570 return PackageManager.INSTALL_REASON_UNKNOWN; 23571 } 23572 23573 @Override 23574 public boolean canRequestPackageInstalls(String packageName, int userId) { 23575 return canRequestPackageInstallsInternal(packageName, 0, userId, 23576 true /* throwIfPermNotDeclared*/); 23577 } 23578 23579 private boolean canRequestPackageInstallsInternal(String packageName, int flags, int userId, 23580 boolean throwIfPermNotDeclared) { 23581 int callingUid = Binder.getCallingUid(); 23582 int uid = getPackageUid(packageName, 0, userId); 23583 if (callingUid != uid && callingUid != Process.ROOT_UID 23584 && callingUid != Process.SYSTEM_UID) { 23585 throw new SecurityException( 23586 "Caller uid " + callingUid + " does not own package " + packageName); 23587 } 23588 ApplicationInfo info = getApplicationInfo(packageName, flags, userId); 23589 if (info == null) { 23590 return false; 23591 } 23592 if (info.targetSdkVersion < Build.VERSION_CODES.O) { 23593 return false; 23594 } 23595 String appOpPermission = Manifest.permission.REQUEST_INSTALL_PACKAGES; 23596 String[] packagesDeclaringPermission = getAppOpPermissionPackages(appOpPermission); 23597 if (!ArrayUtils.contains(packagesDeclaringPermission, packageName)) { 23598 if (throwIfPermNotDeclared) { 23599 throw new SecurityException("Need to declare " + appOpPermission 23600 + " to call this api"); 23601 } else { 23602 Slog.e(TAG, "Need to declare " + appOpPermission + " to call this api"); 23603 return false; 23604 } 23605 } 23606 if (sUserManager.hasUserRestriction(UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES, userId)) { 23607 return false; 23608 } 23609 if (mExternalSourcesPolicy != null) { 23610 int isTrusted = mExternalSourcesPolicy.getPackageTrustedToInstallApps(packageName, uid); 23611 if (isTrusted != PackageManagerInternal.ExternalSourcesPolicy.USER_DEFAULT) { 23612 return isTrusted == PackageManagerInternal.ExternalSourcesPolicy.USER_TRUSTED; 23613 } 23614 } 23615 return checkUidPermission(appOpPermission, uid) == PERMISSION_GRANTED; 23616 } 23617 23618 @Override 23619 public ComponentName getInstantAppResolverSettingsComponent() { 23620 return mInstantAppResolverSettingsComponent; 23621 } 23622 23623 @Override 23624 public ComponentName getInstantAppInstallerComponent() { 23625 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 23626 return null; 23627 } 23628 return mInstantAppInstallerActivity == null 23629 ? null : mInstantAppInstallerActivity.getComponentName(); 23630 } 23631 23632 @Override 23633 public String getInstantAppAndroidId(String packageName, int userId) { 23634 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.ACCESS_INSTANT_APPS, 23635 "getInstantAppAndroidId"); 23636 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 23637 true /* requireFullPermission */, false /* checkShell */, 23638 "getInstantAppAndroidId"); 23639 // Make sure the target is an Instant App. 23640 if (!isInstantApp(packageName, userId)) { 23641 return null; 23642 } 23643 synchronized (mPackages) { 23644 return mInstantAppRegistry.getInstantAppAndroidIdLPw(packageName, userId); 23645 } 23646 } 23647 23648 boolean canHaveOatDir(String packageName) { 23649 synchronized (mPackages) { 23650 PackageParser.Package p = mPackages.get(packageName); 23651 if (p == null) { 23652 return false; 23653 } 23654 return p.canHaveOatDir(); 23655 } 23656 } 23657 23658 private String getOatDir(PackageParser.Package pkg) { 23659 if (!pkg.canHaveOatDir()) { 23660 return null; 23661 } 23662 File codePath = new File(pkg.codePath); 23663 if (codePath.isDirectory()) { 23664 return PackageDexOptimizer.getOatDir(codePath).getAbsolutePath(); 23665 } 23666 return null; 23667 } 23668 23669 void deleteOatArtifactsOfPackage(String packageName) { 23670 final String[] instructionSets; 23671 final List<String> codePaths; 23672 final String oatDir; 23673 final PackageParser.Package pkg; 23674 synchronized (mPackages) { 23675 pkg = mPackages.get(packageName); 23676 } 23677 instructionSets = getAppDexInstructionSets(pkg.applicationInfo); 23678 codePaths = pkg.getAllCodePaths(); 23679 oatDir = getOatDir(pkg); 23680 23681 for (String codePath : codePaths) { 23682 for (String isa : instructionSets) { 23683 try { 23684 mInstaller.deleteOdex(codePath, isa, oatDir); 23685 } catch (InstallerException e) { 23686 Log.e(TAG, "Failed deleting oat files for " + codePath, e); 23687 } 23688 } 23689 } 23690 } 23691 23692 Set<String> getUnusedPackages(long downgradeTimeThresholdMillis) { 23693 Set<String> unusedPackages = new HashSet<>(); 23694 long currentTimeInMillis = System.currentTimeMillis(); 23695 synchronized (mPackages) { 23696 for (PackageParser.Package pkg : mPackages.values()) { 23697 PackageSetting ps = mSettings.mPackages.get(pkg.packageName); 23698 if (ps == null) { 23699 continue; 23700 } 23701 PackageDexUsage.PackageUseInfo packageUseInfo = 23702 getDexManager().getPackageUseInfoOrDefault(pkg.packageName); 23703 if (PackageManagerServiceUtils 23704 .isUnusedSinceTimeInMillis(ps.firstInstallTime, currentTimeInMillis, 23705 downgradeTimeThresholdMillis, packageUseInfo, 23706 pkg.getLatestPackageUseTimeInMills(), 23707 pkg.getLatestForegroundPackageUseTimeInMills())) { 23708 unusedPackages.add(pkg.packageName); 23709 } 23710 } 23711 } 23712 return unusedPackages; 23713 } 23714 23715 @Override 23716 public void setHarmfulAppWarning(@NonNull String packageName, @Nullable CharSequence warning, 23717 int userId) { 23718 final int callingUid = Binder.getCallingUid(); 23719 final int callingAppId = UserHandle.getAppId(callingUid); 23720 23721 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 23722 true /*requireFullPermission*/, true /*checkShell*/, "setHarmfulAppInfo"); 23723 23724 if (callingAppId != Process.SYSTEM_UID && callingAppId != Process.ROOT_UID && 23725 checkUidPermission(SET_HARMFUL_APP_WARNINGS, callingUid) != PERMISSION_GRANTED) { 23726 throw new SecurityException("Caller must have the " 23727 + SET_HARMFUL_APP_WARNINGS + " permission."); 23728 } 23729 23730 synchronized(mPackages) { 23731 mSettings.setHarmfulAppWarningLPw(packageName, warning, userId); 23732 scheduleWritePackageRestrictionsLocked(userId); 23733 } 23734 } 23735 23736 @Nullable 23737 @Override 23738 public CharSequence getHarmfulAppWarning(@NonNull String packageName, int userId) { 23739 final int callingUid = Binder.getCallingUid(); 23740 final int callingAppId = UserHandle.getAppId(callingUid); 23741 23742 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 23743 true /*requireFullPermission*/, true /*checkShell*/, "getHarmfulAppInfo"); 23744 23745 if (callingAppId != Process.SYSTEM_UID && callingAppId != Process.ROOT_UID && 23746 checkUidPermission(SET_HARMFUL_APP_WARNINGS, callingUid) != PERMISSION_GRANTED) { 23747 throw new SecurityException("Caller must have the " 23748 + SET_HARMFUL_APP_WARNINGS + " permission."); 23749 } 23750 23751 synchronized(mPackages) { 23752 return mSettings.getHarmfulAppWarningLPr(packageName, userId); 23753 } 23754 } 23755} 23756 23757interface PackageSender { 23758 /** 23759 * @param userIds User IDs where the action occurred on a full application 23760 * @param instantUserIds User IDs where the action occurred on an instant application 23761 */ 23762 void sendPackageBroadcast(final String action, final String pkg, 23763 final Bundle extras, final int flags, final String targetPkg, 23764 final IIntentReceiver finishedReceiver, final int[] userIds, int[] instantUserIds); 23765 void sendPackageAddedForNewUsers(String packageName, boolean sendBootCompleted, 23766 boolean includeStopped, int appId, int[] userIds, int[] instantUserIds); 23767 void notifyPackageAdded(String packageName); 23768 void notifyPackageRemoved(String packageName); 23769} 23770