PackageManagerService.java revision e839d709c2e53ae11e568fc5ae93030fc11a1a59
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.ActivityManagerInternal; 123import android.app.AppOpsManager; 124import android.app.IActivityManager; 125import android.app.ResourcesManager; 126import android.app.admin.IDevicePolicyManager; 127import android.app.admin.SecurityLog; 128import android.app.backup.IBackupManager; 129import android.content.BroadcastReceiver; 130import android.content.ComponentName; 131import android.content.ContentResolver; 132import android.content.Context; 133import android.content.IIntentReceiver; 134import android.content.Intent; 135import android.content.IntentFilter; 136import android.content.IntentSender; 137import android.content.IntentSender.SendIntentException; 138import android.content.ServiceConnection; 139import android.content.pm.ActivityInfo; 140import android.content.pm.ApplicationInfo; 141import android.content.pm.AppsQueryHelper; 142import android.content.pm.AuxiliaryResolveInfo; 143import android.content.pm.ChangedPackages; 144import android.content.pm.ComponentInfo; 145import android.content.pm.FallbackCategoryProvider; 146import android.content.pm.FeatureInfo; 147import android.content.pm.IDexModuleRegisterCallback; 148import android.content.pm.IOnPermissionsChangeListener; 149import android.content.pm.IPackageDataObserver; 150import android.content.pm.IPackageDeleteObserver; 151import android.content.pm.IPackageDeleteObserver2; 152import android.content.pm.IPackageInstallObserver2; 153import android.content.pm.IPackageInstaller; 154import android.content.pm.IPackageManager; 155import android.content.pm.IPackageManagerNative; 156import android.content.pm.IPackageMoveObserver; 157import android.content.pm.IPackageStatsObserver; 158import android.content.pm.InstantAppInfo; 159import android.content.pm.InstantAppRequest; 160import android.content.pm.InstantAppResolveInfo; 161import android.content.pm.InstrumentationInfo; 162import android.content.pm.IntentFilterVerificationInfo; 163import android.content.pm.KeySet; 164import android.content.pm.PackageCleanItem; 165import android.content.pm.PackageInfo; 166import android.content.pm.PackageInfoLite; 167import android.content.pm.PackageInstaller; 168import android.content.pm.PackageList; 169import android.content.pm.PackageManager; 170import android.content.pm.PackageManagerInternal; 171import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 172import android.content.pm.PackageManagerInternal.PackageListObserver; 173import android.content.pm.PackageParser; 174import android.content.pm.PackageParser.ActivityIntentInfo; 175import android.content.pm.PackageParser.Package; 176import android.content.pm.PackageParser.PackageLite; 177import android.content.pm.PackageParser.PackageParserException; 178import android.content.pm.PackageParser.ParseFlags; 179import android.content.pm.PackageParser.ServiceIntentInfo; 180import android.content.pm.PackageParser.SigningDetails.SignatureSchemeVersion; 181import android.content.pm.PackageStats; 182import android.content.pm.PackageUserState; 183import android.content.pm.ParceledListSlice; 184import android.content.pm.PermissionGroupInfo; 185import android.content.pm.PermissionInfo; 186import android.content.pm.ProviderInfo; 187import android.content.pm.ResolveInfo; 188import android.content.pm.ServiceInfo; 189import android.content.pm.SharedLibraryInfo; 190import android.content.pm.Signature; 191import android.content.pm.UserInfo; 192import android.content.pm.VerifierDeviceIdentity; 193import android.content.pm.VerifierInfo; 194import android.content.pm.VersionedPackage; 195import android.content.pm.dex.DexMetadataHelper; 196import android.content.pm.dex.IArtManager; 197import android.content.res.Resources; 198import android.database.ContentObserver; 199import android.graphics.Bitmap; 200import android.hardware.display.DisplayManager; 201import android.net.Uri; 202import android.os.Binder; 203import android.os.Build; 204import android.os.Bundle; 205import android.os.Debug; 206import android.os.Environment; 207import android.os.Environment.UserEnvironment; 208import android.os.FileUtils; 209import android.os.Handler; 210import android.os.IBinder; 211import android.os.Looper; 212import android.os.Message; 213import android.os.Parcel; 214import android.os.ParcelFileDescriptor; 215import android.os.PatternMatcher; 216import android.os.Process; 217import android.os.RemoteCallbackList; 218import android.os.RemoteException; 219import android.os.ResultReceiver; 220import android.os.SELinux; 221import android.os.ServiceManager; 222import android.os.ShellCallback; 223import android.os.SystemClock; 224import android.os.SystemProperties; 225import android.os.Trace; 226import android.os.UserHandle; 227import android.os.UserManager; 228import android.os.UserManagerInternal; 229import android.os.storage.IStorageManager; 230import android.os.storage.StorageEventListener; 231import android.os.storage.StorageManager; 232import android.os.storage.StorageManagerInternal; 233import android.os.storage.VolumeInfo; 234import android.os.storage.VolumeRecord; 235import android.provider.Settings.Global; 236import android.provider.Settings.Secure; 237import android.security.KeyStore; 238import android.security.SystemKeyStore; 239import android.service.pm.PackageServiceDumpProto; 240import android.system.ErrnoException; 241import android.system.Os; 242import android.text.TextUtils; 243import android.text.format.DateUtils; 244import android.util.ArrayMap; 245import android.util.ArraySet; 246import android.util.Base64; 247import android.util.DisplayMetrics; 248import android.util.EventLog; 249import android.util.ExceptionUtils; 250import android.util.Log; 251import android.util.LogPrinter; 252import android.util.LongSparseArray; 253import android.util.LongSparseLongArray; 254import android.util.MathUtils; 255import android.util.PackageUtils; 256import android.util.Pair; 257import android.util.PrintStreamPrinter; 258import android.util.Slog; 259import android.util.SparseArray; 260import android.util.SparseBooleanArray; 261import android.util.SparseIntArray; 262import android.util.TimingsTraceLog; 263import android.util.Xml; 264import android.util.jar.StrictJarFile; 265import android.util.proto.ProtoOutputStream; 266import android.view.Display; 267 268import com.android.internal.R; 269import com.android.internal.annotations.GuardedBy; 270import com.android.internal.app.IMediaContainerService; 271import com.android.internal.app.ResolverActivity; 272import com.android.internal.content.NativeLibraryHelper; 273import com.android.internal.content.PackageHelper; 274import com.android.internal.logging.MetricsLogger; 275import com.android.internal.os.IParcelFileDescriptorFactory; 276import com.android.internal.os.SomeArgs; 277import com.android.internal.os.Zygote; 278import com.android.internal.telephony.CarrierAppUtils; 279import com.android.internal.util.ArrayUtils; 280import com.android.internal.util.ConcurrentUtils; 281import com.android.internal.util.DumpUtils; 282import com.android.internal.util.FastXmlSerializer; 283import com.android.internal.util.IndentingPrintWriter; 284import com.android.internal.util.Preconditions; 285import com.android.internal.util.XmlUtils; 286import com.android.server.AttributeCache; 287import com.android.server.DeviceIdleController; 288import com.android.server.EventLogTags; 289import com.android.server.FgThread; 290import com.android.server.IntentResolver; 291import com.android.server.LocalServices; 292import com.android.server.LockGuard; 293import com.android.server.ServiceThread; 294import com.android.server.SystemConfig; 295import com.android.server.SystemServerInitThreadPool; 296import com.android.server.Watchdog; 297import com.android.server.net.NetworkPolicyManagerInternal; 298import com.android.server.pm.Installer.InstallerException; 299import com.android.server.pm.Settings.DatabaseVersion; 300import com.android.server.pm.Settings.VersionInfo; 301import com.android.server.pm.dex.ArtManagerService; 302import com.android.server.pm.dex.DexLogger; 303import com.android.server.pm.dex.DexManager; 304import com.android.server.pm.dex.DexoptOptions; 305import com.android.server.pm.dex.PackageDexUsage; 306import com.android.server.pm.permission.BasePermission; 307import com.android.server.pm.permission.DefaultPermissionGrantPolicy; 308import com.android.server.pm.permission.PermissionManagerService; 309import com.android.server.pm.permission.PermissionManagerInternal; 310import com.android.server.pm.permission.DefaultPermissionGrantPolicy.DefaultPermissionGrantedCallback; 311import com.android.server.pm.permission.PermissionManagerInternal.PermissionCallback; 312import com.android.server.pm.permission.PermissionsState; 313import com.android.server.pm.permission.PermissionsState.PermissionState; 314import com.android.server.storage.DeviceStorageMonitorInternal; 315 316import dalvik.system.CloseGuard; 317import dalvik.system.VMRuntime; 318 319import libcore.io.IoUtils; 320 321import org.xmlpull.v1.XmlPullParser; 322import org.xmlpull.v1.XmlPullParserException; 323import org.xmlpull.v1.XmlSerializer; 324 325import java.io.BufferedOutputStream; 326import java.io.ByteArrayInputStream; 327import java.io.ByteArrayOutputStream; 328import java.io.File; 329import java.io.FileDescriptor; 330import java.io.FileInputStream; 331import java.io.FileOutputStream; 332import java.io.FilenameFilter; 333import java.io.IOException; 334import java.io.PrintWriter; 335import java.lang.annotation.Retention; 336import java.lang.annotation.RetentionPolicy; 337import java.nio.charset.StandardCharsets; 338import java.security.DigestInputStream; 339import java.security.MessageDigest; 340import java.security.NoSuchAlgorithmException; 341import java.security.PublicKey; 342import java.security.SecureRandom; 343import java.security.cert.CertificateException; 344import java.util.ArrayList; 345import java.util.Arrays; 346import java.util.Collection; 347import java.util.Collections; 348import java.util.Comparator; 349import java.util.HashMap; 350import java.util.HashSet; 351import java.util.Iterator; 352import java.util.LinkedHashSet; 353import java.util.List; 354import java.util.Map; 355import java.util.Objects; 356import java.util.Set; 357import java.util.concurrent.CountDownLatch; 358import java.util.concurrent.Future; 359import java.util.concurrent.TimeUnit; 360import java.util.concurrent.atomic.AtomicBoolean; 361import java.util.concurrent.atomic.AtomicInteger; 362 363/** 364 * Keep track of all those APKs everywhere. 365 * <p> 366 * Internally there are two important locks: 367 * <ul> 368 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 369 * and other related state. It is a fine-grained lock that should only be held 370 * momentarily, as it's one of the most contended locks in the system. 371 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 372 * operations typically involve heavy lifting of application data on disk. Since 373 * {@code installd} is single-threaded, and it's operations can often be slow, 374 * this lock should never be acquired while already holding {@link #mPackages}. 375 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 376 * holding {@link #mInstallLock}. 377 * </ul> 378 * Many internal methods rely on the caller to hold the appropriate locks, and 379 * this contract is expressed through method name suffixes: 380 * <ul> 381 * <li>fooLI(): the caller must hold {@link #mInstallLock} 382 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 383 * being modified must be frozen 384 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 385 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 386 * </ul> 387 * <p> 388 * Because this class is very central to the platform's security; please run all 389 * CTS and unit tests whenever making modifications: 390 * 391 * <pre> 392 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 393 * $ cts-tradefed run commandAndExit cts -m CtsAppSecurityHostTestCases 394 * </pre> 395 */ 396public class PackageManagerService extends IPackageManager.Stub 397 implements PackageSender { 398 static final String TAG = "PackageManager"; 399 public static final boolean DEBUG_SETTINGS = false; 400 static final boolean DEBUG_PREFERRED = false; 401 static final boolean DEBUG_UPGRADE = false; 402 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 403 private static final boolean DEBUG_BACKUP = false; 404 public static final boolean DEBUG_INSTALL = false; 405 public static final boolean DEBUG_REMOVE = false; 406 private static final boolean DEBUG_BROADCASTS = false; 407 private static final boolean DEBUG_SHOW_INFO = false; 408 private static final boolean DEBUG_PACKAGE_INFO = false; 409 private static final boolean DEBUG_INTENT_MATCHING = false; 410 public static final boolean DEBUG_PACKAGE_SCANNING = false; 411 private static final boolean DEBUG_VERIFY = false; 412 private static final boolean DEBUG_FILTERS = false; 413 public static final boolean DEBUG_PERMISSIONS = false; 414 private static final boolean DEBUG_SHARED_LIBRARIES = false; 415 public static final boolean DEBUG_COMPRESSION = Build.IS_DEBUGGABLE; 416 417 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 418 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 419 // user, but by default initialize to this. 420 public static final boolean DEBUG_DEXOPT = false; 421 422 private static final boolean DEBUG_ABI_SELECTION = false; 423 private static final boolean DEBUG_EPHEMERAL = Build.IS_DEBUGGABLE; 424 private static final boolean DEBUG_TRIAGED_MISSING = false; 425 private static final boolean DEBUG_APP_DATA = false; 426 427 /** REMOVE. According to Svet, this was only used to reset permissions during development. */ 428 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 429 430 private static final boolean HIDE_EPHEMERAL_APIS = false; 431 432 private static final boolean ENABLE_FREE_CACHE_V2 = 433 SystemProperties.getBoolean("fw.free_cache_v2", true); 434 435 private static final int RADIO_UID = Process.PHONE_UID; 436 private static final int LOG_UID = Process.LOG_UID; 437 private static final int NFC_UID = Process.NFC_UID; 438 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 439 private static final int SHELL_UID = Process.SHELL_UID; 440 441 // Suffix used during package installation when copying/moving 442 // package apks to install directory. 443 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 444 445 static final int SCAN_NO_DEX = 1<<0; 446 static final int SCAN_UPDATE_SIGNATURE = 1<<1; 447 static final int SCAN_NEW_INSTALL = 1<<2; 448 static final int SCAN_UPDATE_TIME = 1<<3; 449 static final int SCAN_BOOTING = 1<<4; 450 static final int SCAN_TRUSTED_OVERLAY = 1<<5; 451 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<6; 452 static final int SCAN_REQUIRE_KNOWN = 1<<7; 453 static final int SCAN_MOVE = 1<<8; 454 static final int SCAN_INITIAL = 1<<9; 455 static final int SCAN_CHECK_ONLY = 1<<10; 456 static final int SCAN_DONT_KILL_APP = 1<<11; 457 static final int SCAN_IGNORE_FROZEN = 1<<12; 458 static final int SCAN_FIRST_BOOT_OR_UPGRADE = 1<<13; 459 static final int SCAN_AS_INSTANT_APP = 1<<14; 460 static final int SCAN_AS_FULL_APP = 1<<15; 461 static final int SCAN_AS_VIRTUAL_PRELOAD = 1<<16; 462 static final int SCAN_AS_SYSTEM = 1<<17; 463 static final int SCAN_AS_PRIVILEGED = 1<<18; 464 static final int SCAN_AS_OEM = 1<<19; 465 static final int SCAN_AS_VENDOR = 1<<20; 466 467 @IntDef(flag = true, prefix = { "SCAN_" }, value = { 468 SCAN_NO_DEX, 469 SCAN_UPDATE_SIGNATURE, 470 SCAN_NEW_INSTALL, 471 SCAN_UPDATE_TIME, 472 SCAN_BOOTING, 473 SCAN_TRUSTED_OVERLAY, 474 SCAN_DELETE_DATA_ON_FAILURES, 475 SCAN_REQUIRE_KNOWN, 476 SCAN_MOVE, 477 SCAN_INITIAL, 478 SCAN_CHECK_ONLY, 479 SCAN_DONT_KILL_APP, 480 SCAN_IGNORE_FROZEN, 481 SCAN_FIRST_BOOT_OR_UPGRADE, 482 SCAN_AS_INSTANT_APP, 483 SCAN_AS_FULL_APP, 484 SCAN_AS_VIRTUAL_PRELOAD, 485 }) 486 @Retention(RetentionPolicy.SOURCE) 487 public @interface ScanFlags {} 488 489 private static final String STATIC_SHARED_LIB_DELIMITER = "_"; 490 /** Extension of the compressed packages */ 491 public final static String COMPRESSED_EXTENSION = ".gz"; 492 /** Suffix of stub packages on the system partition */ 493 public final static String STUB_SUFFIX = "-Stub"; 494 495 private static final int[] EMPTY_INT_ARRAY = new int[0]; 496 497 private static final int TYPE_UNKNOWN = 0; 498 private static final int TYPE_ACTIVITY = 1; 499 private static final int TYPE_RECEIVER = 2; 500 private static final int TYPE_SERVICE = 3; 501 private static final int TYPE_PROVIDER = 4; 502 @IntDef(prefix = { "TYPE_" }, value = { 503 TYPE_UNKNOWN, 504 TYPE_ACTIVITY, 505 TYPE_RECEIVER, 506 TYPE_SERVICE, 507 TYPE_PROVIDER, 508 }) 509 @Retention(RetentionPolicy.SOURCE) 510 public @interface ComponentType {} 511 512 /** 513 * Timeout (in milliseconds) after which the watchdog should declare that 514 * our handler thread is wedged. The usual default for such things is one 515 * minute but we sometimes do very lengthy I/O operations on this thread, 516 * such as installing multi-gigabyte applications, so ours needs to be longer. 517 */ 518 static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 519 520 /** 521 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 522 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 523 * settings entry if available, otherwise we use the hardcoded default. If it's been 524 * more than this long since the last fstrim, we force one during the boot sequence. 525 * 526 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 527 * one gets run at the next available charging+idle time. This final mandatory 528 * no-fstrim check kicks in only of the other scheduling criteria is never met. 529 */ 530 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 531 532 /** 533 * Whether verification is enabled by default. 534 */ 535 private static final boolean DEFAULT_VERIFY_ENABLE = true; 536 537 /** 538 * The default maximum time to wait for the verification agent to return in 539 * milliseconds. 540 */ 541 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 542 543 /** 544 * The default response for package verification timeout. 545 * 546 * This can be either PackageManager.VERIFICATION_ALLOW or 547 * PackageManager.VERIFICATION_REJECT. 548 */ 549 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 550 551 public static final String PLATFORM_PACKAGE_NAME = "android"; 552 553 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 554 555 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 556 DEFAULT_CONTAINER_PACKAGE, 557 "com.android.defcontainer.DefaultContainerService"); 558 559 private static final String KILL_APP_REASON_GIDS_CHANGED = 560 "permission grant or revoke changed gids"; 561 562 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 563 "permissions revoked"; 564 565 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 566 567 private static final String PACKAGE_SCHEME = "package"; 568 569 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 570 571 private static final String PROPERTY_NAME_PM_DEXOPT_PRIV_APPS_OOB = "pm.dexopt.priv-apps-oob"; 572 573 /** Canonical intent used to identify what counts as a "web browser" app */ 574 private static final Intent sBrowserIntent; 575 static { 576 sBrowserIntent = new Intent(); 577 sBrowserIntent.setAction(Intent.ACTION_VIEW); 578 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 579 sBrowserIntent.setData(Uri.parse("http:")); 580 } 581 582 /** 583 * The set of all protected actions [i.e. those actions for which a high priority 584 * intent filter is disallowed]. 585 */ 586 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 587 static { 588 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 589 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 590 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 591 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 592 } 593 594 // Compilation reasons. 595 public static final int REASON_FIRST_BOOT = 0; 596 public static final int REASON_BOOT = 1; 597 public static final int REASON_INSTALL = 2; 598 public static final int REASON_BACKGROUND_DEXOPT = 3; 599 public static final int REASON_AB_OTA = 4; 600 public static final int REASON_INACTIVE_PACKAGE_DOWNGRADE = 5; 601 public static final int REASON_SHARED = 6; 602 603 public static final int REASON_LAST = REASON_SHARED; 604 605 /** 606 * Version number for the package parser cache. Increment this whenever the format or 607 * extent of cached data changes. See {@code PackageParser#setCacheDir}. 608 */ 609 private static final String PACKAGE_PARSER_CACHE_VERSION = "1"; 610 611 /** 612 * Whether the package parser cache is enabled. 613 */ 614 private static final boolean DEFAULT_PACKAGE_PARSER_CACHE_ENABLED = true; 615 616 /** 617 * Permissions required in order to receive instant application lifecycle broadcasts. 618 */ 619 private static final String[] INSTANT_APP_BROADCAST_PERMISSION = 620 new String[] { android.Manifest.permission.ACCESS_INSTANT_APPS }; 621 622 final ServiceThread mHandlerThread; 623 624 final PackageHandler mHandler; 625 626 private final ProcessLoggingHandler mProcessLoggingHandler; 627 628 /** 629 * Messages for {@link #mHandler} that need to wait for system ready before 630 * being dispatched. 631 */ 632 private ArrayList<Message> mPostSystemReadyMessages; 633 634 final int mSdkVersion = Build.VERSION.SDK_INT; 635 636 final Context mContext; 637 final boolean mFactoryTest; 638 final boolean mOnlyCore; 639 final DisplayMetrics mMetrics; 640 final int mDefParseFlags; 641 final String[] mSeparateProcesses; 642 final boolean mIsUpgrade; 643 final boolean mIsPreNUpgrade; 644 final boolean mIsPreNMR1Upgrade; 645 646 // Have we told the Activity Manager to whitelist the default container service by uid yet? 647 @GuardedBy("mPackages") 648 boolean mDefaultContainerWhitelisted = false; 649 650 @GuardedBy("mPackages") 651 private boolean mDexOptDialogShown; 652 653 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 654 // LOCK HELD. Can be called with mInstallLock held. 655 @GuardedBy("mInstallLock") 656 final Installer mInstaller; 657 658 /** Directory where installed applications are stored */ 659 private static final File sAppInstallDir = 660 new File(Environment.getDataDirectory(), "app"); 661 /** Directory where installed application's 32-bit native libraries are copied. */ 662 private static final File sAppLib32InstallDir = 663 new File(Environment.getDataDirectory(), "app-lib"); 664 /** Directory where code and non-resource assets of forward-locked applications are stored */ 665 private static final File sDrmAppPrivateInstallDir = 666 new File(Environment.getDataDirectory(), "app-private"); 667 668 // ---------------------------------------------------------------- 669 670 // Lock for state used when installing and doing other long running 671 // operations. Methods that must be called with this lock held have 672 // the suffix "LI". 673 final Object mInstallLock = new Object(); 674 675 // ---------------------------------------------------------------- 676 677 // Keys are String (package name), values are Package. This also serves 678 // as the lock for the global state. Methods that must be called with 679 // this lock held have the prefix "LP". 680 @GuardedBy("mPackages") 681 final ArrayMap<String, PackageParser.Package> mPackages = 682 new ArrayMap<String, PackageParser.Package>(); 683 684 final ArrayMap<String, Set<String>> mKnownCodebase = 685 new ArrayMap<String, Set<String>>(); 686 687 // Keys are isolated uids and values are the uid of the application 688 // that created the isolated proccess. 689 @GuardedBy("mPackages") 690 final SparseIntArray mIsolatedOwners = new SparseIntArray(); 691 692 /** 693 * Tracks new system packages [received in an OTA] that we expect to 694 * find updated user-installed versions. Keys are package name, values 695 * are package location. 696 */ 697 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 698 /** 699 * Tracks high priority intent filters for protected actions. During boot, certain 700 * filter actions are protected and should never be allowed to have a high priority 701 * intent filter for them. However, there is one, and only one exception -- the 702 * setup wizard. It must be able to define a high priority intent filter for these 703 * actions to ensure there are no escapes from the wizard. We need to delay processing 704 * of these during boot as we need to look at all of the system packages in order 705 * to know which component is the setup wizard. 706 */ 707 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 708 /** 709 * Whether or not processing protected filters should be deferred. 710 */ 711 private boolean mDeferProtectedFilters = true; 712 713 /** 714 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 715 */ 716 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 717 /** 718 * Whether or not system app permissions should be promoted from install to runtime. 719 */ 720 boolean mPromoteSystemApps; 721 722 @GuardedBy("mPackages") 723 final Settings mSettings; 724 725 /** 726 * Set of package names that are currently "frozen", which means active 727 * surgery is being done on the code/data for that package. The platform 728 * will refuse to launch frozen packages to avoid race conditions. 729 * 730 * @see PackageFreezer 731 */ 732 @GuardedBy("mPackages") 733 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 734 735 final ProtectedPackages mProtectedPackages; 736 737 @GuardedBy("mLoadedVolumes") 738 final ArraySet<String> mLoadedVolumes = new ArraySet<>(); 739 740 boolean mFirstBoot; 741 742 PackageManagerInternal.ExternalSourcesPolicy mExternalSourcesPolicy; 743 744 @GuardedBy("mAvailableFeatures") 745 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 746 747 private final InstantAppRegistry mInstantAppRegistry; 748 749 @GuardedBy("mPackages") 750 int mChangedPackagesSequenceNumber; 751 /** 752 * List of changed [installed, removed or updated] packages. 753 * mapping from user id -> sequence number -> package name 754 */ 755 @GuardedBy("mPackages") 756 final SparseArray<SparseArray<String>> mChangedPackages = new SparseArray<>(); 757 /** 758 * The sequence number of the last change to a package. 759 * mapping from user id -> package name -> sequence number 760 */ 761 @GuardedBy("mPackages") 762 final SparseArray<Map<String, Integer>> mChangedPackagesSequenceNumbers = new SparseArray<>(); 763 764 @GuardedBy("mPackages") 765 final private ArraySet<PackageListObserver> mPackageListObservers = new ArraySet<>(); 766 767 class PackageParserCallback implements PackageParser.Callback { 768 @Override public final boolean hasFeature(String feature) { 769 return PackageManagerService.this.hasSystemFeature(feature, 0); 770 } 771 772 final List<PackageParser.Package> getStaticOverlayPackagesLocked( 773 Collection<PackageParser.Package> allPackages, String targetPackageName) { 774 List<PackageParser.Package> overlayPackages = null; 775 for (PackageParser.Package p : allPackages) { 776 if (targetPackageName.equals(p.mOverlayTarget) && p.mIsStaticOverlay) { 777 if (overlayPackages == null) { 778 overlayPackages = new ArrayList<PackageParser.Package>(); 779 } 780 overlayPackages.add(p); 781 } 782 } 783 if (overlayPackages != null) { 784 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 785 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 786 return p1.mOverlayPriority - p2.mOverlayPriority; 787 } 788 }; 789 Collections.sort(overlayPackages, cmp); 790 } 791 return overlayPackages; 792 } 793 794 final String[] getStaticOverlayPathsLocked(Collection<PackageParser.Package> allPackages, 795 String targetPackageName, String targetPath) { 796 if ("android".equals(targetPackageName)) { 797 // Static RROs targeting to "android", ie framework-res.apk, are already applied by 798 // native AssetManager. 799 return null; 800 } 801 List<PackageParser.Package> overlayPackages = 802 getStaticOverlayPackagesLocked(allPackages, targetPackageName); 803 if (overlayPackages == null || overlayPackages.isEmpty()) { 804 return null; 805 } 806 List<String> overlayPathList = null; 807 for (PackageParser.Package overlayPackage : overlayPackages) { 808 if (targetPath == null) { 809 if (overlayPathList == null) { 810 overlayPathList = new ArrayList<String>(); 811 } 812 overlayPathList.add(overlayPackage.baseCodePath); 813 continue; 814 } 815 816 try { 817 // Creates idmaps for system to parse correctly the Android manifest of the 818 // target package. 819 // 820 // OverlayManagerService will update each of them with a correct gid from its 821 // target package app id. 822 mInstaller.idmap(targetPath, overlayPackage.baseCodePath, 823 UserHandle.getSharedAppGid( 824 UserHandle.getUserGid(UserHandle.USER_SYSTEM))); 825 if (overlayPathList == null) { 826 overlayPathList = new ArrayList<String>(); 827 } 828 overlayPathList.add(overlayPackage.baseCodePath); 829 } catch (InstallerException e) { 830 Slog.e(TAG, "Failed to generate idmap for " + targetPath + " and " + 831 overlayPackage.baseCodePath); 832 } 833 } 834 return overlayPathList == null ? null : overlayPathList.toArray(new String[0]); 835 } 836 837 String[] getStaticOverlayPaths(String targetPackageName, String targetPath) { 838 synchronized (mPackages) { 839 return getStaticOverlayPathsLocked( 840 mPackages.values(), targetPackageName, targetPath); 841 } 842 } 843 844 @Override public final String[] getOverlayApks(String targetPackageName) { 845 return getStaticOverlayPaths(targetPackageName, null); 846 } 847 848 @Override public final String[] getOverlayPaths(String targetPackageName, 849 String targetPath) { 850 return getStaticOverlayPaths(targetPackageName, targetPath); 851 } 852 } 853 854 class ParallelPackageParserCallback extends PackageParserCallback { 855 List<PackageParser.Package> mOverlayPackages = null; 856 857 void findStaticOverlayPackages() { 858 synchronized (mPackages) { 859 for (PackageParser.Package p : mPackages.values()) { 860 if (p.mIsStaticOverlay) { 861 if (mOverlayPackages == null) { 862 mOverlayPackages = new ArrayList<PackageParser.Package>(); 863 } 864 mOverlayPackages.add(p); 865 } 866 } 867 } 868 } 869 870 @Override 871 synchronized String[] getStaticOverlayPaths(String targetPackageName, String targetPath) { 872 // We can trust mOverlayPackages without holding mPackages because package uninstall 873 // can't happen while running parallel parsing. 874 // Moreover holding mPackages on each parsing thread causes dead-lock. 875 return mOverlayPackages == null ? null : 876 getStaticOverlayPathsLocked(mOverlayPackages, targetPackageName, targetPath); 877 } 878 } 879 880 final PackageParser.Callback mPackageParserCallback = new PackageParserCallback(); 881 final ParallelPackageParserCallback mParallelPackageParserCallback = 882 new ParallelPackageParserCallback(); 883 884 public static final class SharedLibraryEntry { 885 public final @Nullable String path; 886 public final @Nullable String apk; 887 public final @NonNull SharedLibraryInfo info; 888 889 SharedLibraryEntry(String _path, String _apk, String name, long version, int type, 890 String declaringPackageName, long declaringPackageVersionCode) { 891 path = _path; 892 apk = _apk; 893 info = new SharedLibraryInfo(name, version, type, new VersionedPackage( 894 declaringPackageName, declaringPackageVersionCode), null); 895 } 896 } 897 898 // Currently known shared libraries. 899 final ArrayMap<String, LongSparseArray<SharedLibraryEntry>> mSharedLibraries = new ArrayMap<>(); 900 final ArrayMap<String, LongSparseArray<SharedLibraryEntry>> mStaticLibsByDeclaringPackage = 901 new ArrayMap<>(); 902 903 // All available activities, for your resolving pleasure. 904 final ActivityIntentResolver mActivities = 905 new ActivityIntentResolver(); 906 907 // All available receivers, for your resolving pleasure. 908 final ActivityIntentResolver mReceivers = 909 new ActivityIntentResolver(); 910 911 // All available services, for your resolving pleasure. 912 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 913 914 // All available providers, for your resolving pleasure. 915 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 916 917 // Mapping from provider base names (first directory in content URI codePath) 918 // to the provider information. 919 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 920 new ArrayMap<String, PackageParser.Provider>(); 921 922 // Mapping from instrumentation class names to info about them. 923 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 924 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 925 926 // Packages whose data we have transfered into another package, thus 927 // should no longer exist. 928 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 929 930 // Broadcast actions that are only available to the system. 931 @GuardedBy("mProtectedBroadcasts") 932 final ArraySet<String> mProtectedBroadcasts = new ArraySet<>(); 933 934 /** List of packages waiting for verification. */ 935 final SparseArray<PackageVerificationState> mPendingVerification 936 = new SparseArray<PackageVerificationState>(); 937 938 final PackageInstallerService mInstallerService; 939 940 final ArtManagerService mArtManagerService; 941 942 private final PackageDexOptimizer mPackageDexOptimizer; 943 // DexManager handles the usage of dex files (e.g. secondary files, whether or not a package 944 // is used by other apps). 945 private final DexManager mDexManager; 946 947 private AtomicInteger mNextMoveId = new AtomicInteger(); 948 private final MoveCallbacks mMoveCallbacks; 949 950 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 951 952 // Cache of users who need badging. 953 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 954 955 /** Token for keys in mPendingVerification. */ 956 private int mPendingVerificationToken = 0; 957 958 volatile boolean mSystemReady; 959 volatile boolean mSafeMode; 960 volatile boolean mHasSystemUidErrors; 961 private volatile boolean mEphemeralAppsDisabled; 962 963 ApplicationInfo mAndroidApplication; 964 final ActivityInfo mResolveActivity = new ActivityInfo(); 965 final ResolveInfo mResolveInfo = new ResolveInfo(); 966 ComponentName mResolveComponentName; 967 PackageParser.Package mPlatformPackage; 968 ComponentName mCustomResolverComponentName; 969 970 boolean mResolverReplaced = false; 971 972 private final @Nullable ComponentName mIntentFilterVerifierComponent; 973 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 974 975 private int mIntentFilterVerificationToken = 0; 976 977 /** The service connection to the ephemeral resolver */ 978 final EphemeralResolverConnection mInstantAppResolverConnection; 979 /** Component used to show resolver settings for Instant Apps */ 980 final ComponentName mInstantAppResolverSettingsComponent; 981 982 /** Activity used to install instant applications */ 983 ActivityInfo mInstantAppInstallerActivity; 984 final ResolveInfo mInstantAppInstallerInfo = new ResolveInfo(); 985 986 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 987 = new SparseArray<IntentFilterVerificationState>(); 988 989 // TODO remove this and go through mPermissonManager directly 990 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy; 991 private final PermissionManagerInternal mPermissionManager; 992 993 // List of packages names to keep cached, even if they are uninstalled for all users 994 private List<String> mKeepUninstalledPackages; 995 996 private UserManagerInternal mUserManagerInternal; 997 private ActivityManagerInternal mActivityManagerInternal; 998 999 private DeviceIdleController.LocalService mDeviceIdleController; 1000 1001 private File mCacheDir; 1002 1003 private Future<?> mPrepareAppDataFuture; 1004 1005 private static class IFVerificationParams { 1006 PackageParser.Package pkg; 1007 boolean replacing; 1008 int userId; 1009 int verifierUid; 1010 1011 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 1012 int _userId, int _verifierUid) { 1013 pkg = _pkg; 1014 replacing = _replacing; 1015 userId = _userId; 1016 replacing = _replacing; 1017 verifierUid = _verifierUid; 1018 } 1019 } 1020 1021 private interface IntentFilterVerifier<T extends IntentFilter> { 1022 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 1023 T filter, String packageName); 1024 void startVerifications(int userId); 1025 void receiveVerificationResponse(int verificationId); 1026 } 1027 1028 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 1029 private Context mContext; 1030 private ComponentName mIntentFilterVerifierComponent; 1031 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 1032 1033 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 1034 mContext = context; 1035 mIntentFilterVerifierComponent = verifierComponent; 1036 } 1037 1038 private String getDefaultScheme() { 1039 return IntentFilter.SCHEME_HTTPS; 1040 } 1041 1042 @Override 1043 public void startVerifications(int userId) { 1044 // Launch verifications requests 1045 int count = mCurrentIntentFilterVerifications.size(); 1046 for (int n=0; n<count; n++) { 1047 int verificationId = mCurrentIntentFilterVerifications.get(n); 1048 final IntentFilterVerificationState ivs = 1049 mIntentFilterVerificationStates.get(verificationId); 1050 1051 String packageName = ivs.getPackageName(); 1052 1053 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 1054 final int filterCount = filters.size(); 1055 ArraySet<String> domainsSet = new ArraySet<>(); 1056 for (int m=0; m<filterCount; m++) { 1057 PackageParser.ActivityIntentInfo filter = filters.get(m); 1058 domainsSet.addAll(filter.getHostsList()); 1059 } 1060 synchronized (mPackages) { 1061 if (mSettings.createIntentFilterVerificationIfNeededLPw( 1062 packageName, domainsSet) != null) { 1063 scheduleWriteSettingsLocked(); 1064 } 1065 } 1066 sendVerificationRequest(verificationId, ivs); 1067 } 1068 mCurrentIntentFilterVerifications.clear(); 1069 } 1070 1071 private void sendVerificationRequest(int verificationId, IntentFilterVerificationState ivs) { 1072 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 1073 verificationIntent.putExtra( 1074 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 1075 verificationId); 1076 verificationIntent.putExtra( 1077 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 1078 getDefaultScheme()); 1079 verificationIntent.putExtra( 1080 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 1081 ivs.getHostsString()); 1082 verificationIntent.putExtra( 1083 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 1084 ivs.getPackageName()); 1085 verificationIntent.setComponent(mIntentFilterVerifierComponent); 1086 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 1087 1088 DeviceIdleController.LocalService idleController = getDeviceIdleController(); 1089 idleController.addPowerSaveTempWhitelistApp(Process.myUid(), 1090 mIntentFilterVerifierComponent.getPackageName(), getVerificationTimeout(), 1091 UserHandle.USER_SYSTEM, true, "intent filter verifier"); 1092 1093 mContext.sendBroadcastAsUser(verificationIntent, UserHandle.SYSTEM); 1094 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1095 "Sending IntentFilter verification broadcast"); 1096 } 1097 1098 public void receiveVerificationResponse(int verificationId) { 1099 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 1100 1101 final boolean verified = ivs.isVerified(); 1102 1103 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 1104 final int count = filters.size(); 1105 if (DEBUG_DOMAIN_VERIFICATION) { 1106 Slog.i(TAG, "Received verification response " + verificationId 1107 + " for " + count + " filters, verified=" + verified); 1108 } 1109 for (int n=0; n<count; n++) { 1110 PackageParser.ActivityIntentInfo filter = filters.get(n); 1111 filter.setVerified(verified); 1112 1113 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 1114 + " verified with result:" + verified + " and hosts:" 1115 + ivs.getHostsString()); 1116 } 1117 1118 mIntentFilterVerificationStates.remove(verificationId); 1119 1120 final String packageName = ivs.getPackageName(); 1121 IntentFilterVerificationInfo ivi = null; 1122 1123 synchronized (mPackages) { 1124 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 1125 } 1126 if (ivi == null) { 1127 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 1128 + verificationId + " packageName:" + packageName); 1129 return; 1130 } 1131 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1132 "Updating IntentFilterVerificationInfo for package " + packageName 1133 +" verificationId:" + verificationId); 1134 1135 synchronized (mPackages) { 1136 if (verified) { 1137 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 1138 } else { 1139 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 1140 } 1141 scheduleWriteSettingsLocked(); 1142 1143 final int userId = ivs.getUserId(); 1144 if (userId != UserHandle.USER_ALL) { 1145 final int userStatus = 1146 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 1147 1148 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 1149 boolean needUpdate = false; 1150 1151 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 1152 // already been set by the User thru the Disambiguation dialog 1153 switch (userStatus) { 1154 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 1155 if (verified) { 1156 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 1157 } else { 1158 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 1159 } 1160 needUpdate = true; 1161 break; 1162 1163 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 1164 if (verified) { 1165 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 1166 needUpdate = true; 1167 } 1168 break; 1169 1170 default: 1171 // Nothing to do 1172 } 1173 1174 if (needUpdate) { 1175 mSettings.updateIntentFilterVerificationStatusLPw( 1176 packageName, updatedStatus, userId); 1177 scheduleWritePackageRestrictionsLocked(userId); 1178 } 1179 } 1180 } 1181 } 1182 1183 @Override 1184 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 1185 ActivityIntentInfo filter, String packageName) { 1186 if (!hasValidDomains(filter)) { 1187 return false; 1188 } 1189 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 1190 if (ivs == null) { 1191 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 1192 packageName); 1193 } 1194 if (DEBUG_DOMAIN_VERIFICATION) { 1195 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 1196 } 1197 ivs.addFilter(filter); 1198 return true; 1199 } 1200 1201 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 1202 int userId, int verificationId, String packageName) { 1203 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 1204 verifierUid, userId, packageName); 1205 ivs.setPendingState(); 1206 synchronized (mPackages) { 1207 mIntentFilterVerificationStates.append(verificationId, ivs); 1208 mCurrentIntentFilterVerifications.add(verificationId); 1209 } 1210 return ivs; 1211 } 1212 } 1213 1214 private static boolean hasValidDomains(ActivityIntentInfo filter) { 1215 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 1216 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 1217 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 1218 } 1219 1220 // Set of pending broadcasts for aggregating enable/disable of components. 1221 static class PendingPackageBroadcasts { 1222 // for each user id, a map of <package name -> components within that package> 1223 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 1224 1225 public PendingPackageBroadcasts() { 1226 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 1227 } 1228 1229 public ArrayList<String> get(int userId, String packageName) { 1230 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1231 return packages.get(packageName); 1232 } 1233 1234 public void put(int userId, String packageName, ArrayList<String> components) { 1235 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1236 packages.put(packageName, components); 1237 } 1238 1239 public void remove(int userId, String packageName) { 1240 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 1241 if (packages != null) { 1242 packages.remove(packageName); 1243 } 1244 } 1245 1246 public void remove(int userId) { 1247 mUidMap.remove(userId); 1248 } 1249 1250 public int userIdCount() { 1251 return mUidMap.size(); 1252 } 1253 1254 public int userIdAt(int n) { 1255 return mUidMap.keyAt(n); 1256 } 1257 1258 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1259 return mUidMap.get(userId); 1260 } 1261 1262 public int size() { 1263 // total number of pending broadcast entries across all userIds 1264 int num = 0; 1265 for (int i = 0; i< mUidMap.size(); i++) { 1266 num += mUidMap.valueAt(i).size(); 1267 } 1268 return num; 1269 } 1270 1271 public void clear() { 1272 mUidMap.clear(); 1273 } 1274 1275 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1276 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1277 if (map == null) { 1278 map = new ArrayMap<String, ArrayList<String>>(); 1279 mUidMap.put(userId, map); 1280 } 1281 return map; 1282 } 1283 } 1284 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1285 1286 // Service Connection to remote media container service to copy 1287 // package uri's from external media onto secure containers 1288 // or internal storage. 1289 private IMediaContainerService mContainerService = null; 1290 1291 static final int SEND_PENDING_BROADCAST = 1; 1292 static final int MCS_BOUND = 3; 1293 static final int END_COPY = 4; 1294 static final int INIT_COPY = 5; 1295 static final int MCS_UNBIND = 6; 1296 static final int START_CLEANING_PACKAGE = 7; 1297 static final int FIND_INSTALL_LOC = 8; 1298 static final int POST_INSTALL = 9; 1299 static final int MCS_RECONNECT = 10; 1300 static final int MCS_GIVE_UP = 11; 1301 static final int WRITE_SETTINGS = 13; 1302 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1303 static final int PACKAGE_VERIFIED = 15; 1304 static final int CHECK_PENDING_VERIFICATION = 16; 1305 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1306 static final int INTENT_FILTER_VERIFIED = 18; 1307 static final int WRITE_PACKAGE_LIST = 19; 1308 static final int INSTANT_APP_RESOLUTION_PHASE_TWO = 20; 1309 1310 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1311 1312 // Delay time in millisecs 1313 static final int BROADCAST_DELAY = 10 * 1000; 1314 1315 private static final long DEFAULT_UNUSED_STATIC_SHARED_LIB_MIN_CACHE_PERIOD = 1316 2 * 60 * 60 * 1000L; /* two hours */ 1317 1318 static UserManagerService sUserManager; 1319 1320 // Stores a list of users whose package restrictions file needs to be updated 1321 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1322 1323 final private DefaultContainerConnection mDefContainerConn = 1324 new DefaultContainerConnection(); 1325 class DefaultContainerConnection implements ServiceConnection { 1326 public void onServiceConnected(ComponentName name, IBinder service) { 1327 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1328 final IMediaContainerService imcs = IMediaContainerService.Stub 1329 .asInterface(Binder.allowBlocking(service)); 1330 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1331 } 1332 1333 public void onServiceDisconnected(ComponentName name) { 1334 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1335 } 1336 } 1337 1338 // Recordkeeping of restore-after-install operations that are currently in flight 1339 // between the Package Manager and the Backup Manager 1340 static class PostInstallData { 1341 public InstallArgs args; 1342 public PackageInstalledInfo res; 1343 1344 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1345 args = _a; 1346 res = _r; 1347 } 1348 } 1349 1350 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1351 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1352 1353 // XML tags for backup/restore of various bits of state 1354 private static final String TAG_PREFERRED_BACKUP = "pa"; 1355 private static final String TAG_DEFAULT_APPS = "da"; 1356 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1357 1358 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1359 private static final String TAG_ALL_GRANTS = "rt-grants"; 1360 private static final String TAG_GRANT = "grant"; 1361 private static final String ATTR_PACKAGE_NAME = "pkg"; 1362 1363 private static final String TAG_PERMISSION = "perm"; 1364 private static final String ATTR_PERMISSION_NAME = "name"; 1365 private static final String ATTR_IS_GRANTED = "g"; 1366 private static final String ATTR_USER_SET = "set"; 1367 private static final String ATTR_USER_FIXED = "fixed"; 1368 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1369 1370 // System/policy permission grants are not backed up 1371 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1372 FLAG_PERMISSION_POLICY_FIXED 1373 | FLAG_PERMISSION_SYSTEM_FIXED 1374 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1375 1376 // And we back up these user-adjusted states 1377 private static final int USER_RUNTIME_GRANT_MASK = 1378 FLAG_PERMISSION_USER_SET 1379 | FLAG_PERMISSION_USER_FIXED 1380 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1381 1382 final @Nullable String mRequiredVerifierPackage; 1383 final @NonNull String mRequiredInstallerPackage; 1384 final @NonNull String mRequiredUninstallerPackage; 1385 final @Nullable String mSetupWizardPackage; 1386 final @Nullable String mStorageManagerPackage; 1387 final @NonNull String mServicesSystemSharedLibraryPackageName; 1388 final @NonNull String mSharedSystemSharedLibraryPackageName; 1389 1390 private final PackageUsage mPackageUsage = new PackageUsage(); 1391 private final CompilerStats mCompilerStats = new CompilerStats(); 1392 1393 class PackageHandler extends Handler { 1394 private boolean mBound = false; 1395 final ArrayList<HandlerParams> mPendingInstalls = 1396 new ArrayList<HandlerParams>(); 1397 1398 private boolean connectToService() { 1399 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1400 " DefaultContainerService"); 1401 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1402 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1403 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1404 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1405 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1406 mBound = true; 1407 return true; 1408 } 1409 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1410 return false; 1411 } 1412 1413 private void disconnectService() { 1414 mContainerService = null; 1415 mBound = false; 1416 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1417 mContext.unbindService(mDefContainerConn); 1418 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1419 } 1420 1421 PackageHandler(Looper looper) { 1422 super(looper); 1423 } 1424 1425 public void handleMessage(Message msg) { 1426 try { 1427 doHandleMessage(msg); 1428 } finally { 1429 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1430 } 1431 } 1432 1433 void doHandleMessage(Message msg) { 1434 switch (msg.what) { 1435 case INIT_COPY: { 1436 HandlerParams params = (HandlerParams) msg.obj; 1437 int idx = mPendingInstalls.size(); 1438 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1439 // If a bind was already initiated we dont really 1440 // need to do anything. The pending install 1441 // will be processed later on. 1442 if (!mBound) { 1443 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1444 System.identityHashCode(mHandler)); 1445 // If this is the only one pending we might 1446 // have to bind to the service again. 1447 if (!connectToService()) { 1448 Slog.e(TAG, "Failed to bind to media container service"); 1449 params.serviceError(); 1450 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1451 System.identityHashCode(mHandler)); 1452 if (params.traceMethod != null) { 1453 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1454 params.traceCookie); 1455 } 1456 return; 1457 } else { 1458 // Once we bind to the service, the first 1459 // pending request will be processed. 1460 mPendingInstalls.add(idx, params); 1461 } 1462 } else { 1463 mPendingInstalls.add(idx, params); 1464 // Already bound to the service. Just make 1465 // sure we trigger off processing the first request. 1466 if (idx == 0) { 1467 mHandler.sendEmptyMessage(MCS_BOUND); 1468 } 1469 } 1470 break; 1471 } 1472 case MCS_BOUND: { 1473 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1474 if (msg.obj != null) { 1475 mContainerService = (IMediaContainerService) msg.obj; 1476 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1477 System.identityHashCode(mHandler)); 1478 } 1479 if (mContainerService == null) { 1480 if (!mBound) { 1481 // Something seriously wrong since we are not bound and we are not 1482 // waiting for connection. Bail out. 1483 Slog.e(TAG, "Cannot bind to media container service"); 1484 for (HandlerParams params : mPendingInstalls) { 1485 // Indicate service bind error 1486 params.serviceError(); 1487 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1488 System.identityHashCode(params)); 1489 if (params.traceMethod != null) { 1490 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1491 params.traceMethod, params.traceCookie); 1492 } 1493 return; 1494 } 1495 mPendingInstalls.clear(); 1496 } else { 1497 Slog.w(TAG, "Waiting to connect to media container service"); 1498 } 1499 } else if (mPendingInstalls.size() > 0) { 1500 HandlerParams params = mPendingInstalls.get(0); 1501 if (params != null) { 1502 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1503 System.identityHashCode(params)); 1504 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1505 if (params.startCopy()) { 1506 // We are done... look for more work or to 1507 // go idle. 1508 if (DEBUG_SD_INSTALL) Log.i(TAG, 1509 "Checking for more work or unbind..."); 1510 // Delete pending install 1511 if (mPendingInstalls.size() > 0) { 1512 mPendingInstalls.remove(0); 1513 } 1514 if (mPendingInstalls.size() == 0) { 1515 if (mBound) { 1516 if (DEBUG_SD_INSTALL) Log.i(TAG, 1517 "Posting delayed MCS_UNBIND"); 1518 removeMessages(MCS_UNBIND); 1519 Message ubmsg = obtainMessage(MCS_UNBIND); 1520 // Unbind after a little delay, to avoid 1521 // continual thrashing. 1522 sendMessageDelayed(ubmsg, 10000); 1523 } 1524 } else { 1525 // There are more pending requests in queue. 1526 // Just post MCS_BOUND message to trigger processing 1527 // of next pending install. 1528 if (DEBUG_SD_INSTALL) Log.i(TAG, 1529 "Posting MCS_BOUND for next work"); 1530 mHandler.sendEmptyMessage(MCS_BOUND); 1531 } 1532 } 1533 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1534 } 1535 } else { 1536 // Should never happen ideally. 1537 Slog.w(TAG, "Empty queue"); 1538 } 1539 break; 1540 } 1541 case MCS_RECONNECT: { 1542 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1543 if (mPendingInstalls.size() > 0) { 1544 if (mBound) { 1545 disconnectService(); 1546 } 1547 if (!connectToService()) { 1548 Slog.e(TAG, "Failed to bind to media container service"); 1549 for (HandlerParams params : mPendingInstalls) { 1550 // Indicate service bind error 1551 params.serviceError(); 1552 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1553 System.identityHashCode(params)); 1554 } 1555 mPendingInstalls.clear(); 1556 } 1557 } 1558 break; 1559 } 1560 case MCS_UNBIND: { 1561 // If there is no actual work left, then time to unbind. 1562 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1563 1564 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1565 if (mBound) { 1566 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1567 1568 disconnectService(); 1569 } 1570 } else if (mPendingInstalls.size() > 0) { 1571 // There are more pending requests in queue. 1572 // Just post MCS_BOUND message to trigger processing 1573 // of next pending install. 1574 mHandler.sendEmptyMessage(MCS_BOUND); 1575 } 1576 1577 break; 1578 } 1579 case MCS_GIVE_UP: { 1580 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1581 HandlerParams params = mPendingInstalls.remove(0); 1582 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1583 System.identityHashCode(params)); 1584 break; 1585 } 1586 case SEND_PENDING_BROADCAST: { 1587 String packages[]; 1588 ArrayList<String> components[]; 1589 int size = 0; 1590 int uids[]; 1591 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1592 synchronized (mPackages) { 1593 if (mPendingBroadcasts == null) { 1594 return; 1595 } 1596 size = mPendingBroadcasts.size(); 1597 if (size <= 0) { 1598 // Nothing to be done. Just return 1599 return; 1600 } 1601 packages = new String[size]; 1602 components = new ArrayList[size]; 1603 uids = new int[size]; 1604 int i = 0; // filling out the above arrays 1605 1606 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1607 int packageUserId = mPendingBroadcasts.userIdAt(n); 1608 Iterator<Map.Entry<String, ArrayList<String>>> it 1609 = mPendingBroadcasts.packagesForUserId(packageUserId) 1610 .entrySet().iterator(); 1611 while (it.hasNext() && i < size) { 1612 Map.Entry<String, ArrayList<String>> ent = it.next(); 1613 packages[i] = ent.getKey(); 1614 components[i] = ent.getValue(); 1615 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1616 uids[i] = (ps != null) 1617 ? UserHandle.getUid(packageUserId, ps.appId) 1618 : -1; 1619 i++; 1620 } 1621 } 1622 size = i; 1623 mPendingBroadcasts.clear(); 1624 } 1625 // Send broadcasts 1626 for (int i = 0; i < size; i++) { 1627 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1628 } 1629 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1630 break; 1631 } 1632 case START_CLEANING_PACKAGE: { 1633 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1634 final String packageName = (String)msg.obj; 1635 final int userId = msg.arg1; 1636 final boolean andCode = msg.arg2 != 0; 1637 synchronized (mPackages) { 1638 if (userId == UserHandle.USER_ALL) { 1639 int[] users = sUserManager.getUserIds(); 1640 for (int user : users) { 1641 mSettings.addPackageToCleanLPw( 1642 new PackageCleanItem(user, packageName, andCode)); 1643 } 1644 } else { 1645 mSettings.addPackageToCleanLPw( 1646 new PackageCleanItem(userId, packageName, andCode)); 1647 } 1648 } 1649 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1650 startCleaningPackages(); 1651 } break; 1652 case POST_INSTALL: { 1653 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1654 1655 PostInstallData data = mRunningInstalls.get(msg.arg1); 1656 final boolean didRestore = (msg.arg2 != 0); 1657 mRunningInstalls.delete(msg.arg1); 1658 1659 if (data != null) { 1660 InstallArgs args = data.args; 1661 PackageInstalledInfo parentRes = data.res; 1662 1663 final boolean grantPermissions = (args.installFlags 1664 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1665 final boolean killApp = (args.installFlags 1666 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1667 final boolean virtualPreload = ((args.installFlags 1668 & PackageManager.INSTALL_VIRTUAL_PRELOAD) != 0); 1669 final String[] grantedPermissions = args.installGrantPermissions; 1670 1671 // Handle the parent package 1672 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1673 virtualPreload, grantedPermissions, didRestore, 1674 args.installerPackageName, args.observer); 1675 1676 // Handle the child packages 1677 final int childCount = (parentRes.addedChildPackages != null) 1678 ? parentRes.addedChildPackages.size() : 0; 1679 for (int i = 0; i < childCount; i++) { 1680 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1681 handlePackagePostInstall(childRes, grantPermissions, killApp, 1682 virtualPreload, grantedPermissions, false /*didRestore*/, 1683 args.installerPackageName, args.observer); 1684 } 1685 1686 // Log tracing if needed 1687 if (args.traceMethod != null) { 1688 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1689 args.traceCookie); 1690 } 1691 } else { 1692 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1693 } 1694 1695 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1696 } break; 1697 case WRITE_SETTINGS: { 1698 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1699 synchronized (mPackages) { 1700 removeMessages(WRITE_SETTINGS); 1701 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1702 mSettings.writeLPr(); 1703 mDirtyUsers.clear(); 1704 } 1705 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1706 } break; 1707 case WRITE_PACKAGE_RESTRICTIONS: { 1708 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1709 synchronized (mPackages) { 1710 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1711 for (int userId : mDirtyUsers) { 1712 mSettings.writePackageRestrictionsLPr(userId); 1713 } 1714 mDirtyUsers.clear(); 1715 } 1716 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1717 } break; 1718 case WRITE_PACKAGE_LIST: { 1719 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1720 synchronized (mPackages) { 1721 removeMessages(WRITE_PACKAGE_LIST); 1722 mSettings.writePackageListLPr(msg.arg1); 1723 } 1724 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1725 } break; 1726 case CHECK_PENDING_VERIFICATION: { 1727 final int verificationId = msg.arg1; 1728 final PackageVerificationState state = mPendingVerification.get(verificationId); 1729 1730 if ((state != null) && !state.timeoutExtended()) { 1731 final InstallArgs args = state.getInstallArgs(); 1732 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1733 1734 Slog.i(TAG, "Verification timed out for " + originUri); 1735 mPendingVerification.remove(verificationId); 1736 1737 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1738 1739 final UserHandle user = args.getUser(); 1740 if (getDefaultVerificationResponse(user) 1741 == PackageManager.VERIFICATION_ALLOW) { 1742 Slog.i(TAG, "Continuing with installation of " + originUri); 1743 state.setVerifierResponse(Binder.getCallingUid(), 1744 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1745 broadcastPackageVerified(verificationId, originUri, 1746 PackageManager.VERIFICATION_ALLOW, user); 1747 try { 1748 ret = args.copyApk(mContainerService, true); 1749 } catch (RemoteException e) { 1750 Slog.e(TAG, "Could not contact the ContainerService"); 1751 } 1752 } else { 1753 broadcastPackageVerified(verificationId, originUri, 1754 PackageManager.VERIFICATION_REJECT, user); 1755 } 1756 1757 Trace.asyncTraceEnd( 1758 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1759 1760 processPendingInstall(args, ret); 1761 mHandler.sendEmptyMessage(MCS_UNBIND); 1762 } 1763 break; 1764 } 1765 case PACKAGE_VERIFIED: { 1766 final int verificationId = msg.arg1; 1767 1768 final PackageVerificationState state = mPendingVerification.get(verificationId); 1769 if (state == null) { 1770 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1771 break; 1772 } 1773 1774 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1775 1776 state.setVerifierResponse(response.callerUid, response.code); 1777 1778 if (state.isVerificationComplete()) { 1779 mPendingVerification.remove(verificationId); 1780 1781 final InstallArgs args = state.getInstallArgs(); 1782 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1783 1784 int ret; 1785 if (state.isInstallAllowed()) { 1786 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1787 broadcastPackageVerified(verificationId, originUri, 1788 response.code, state.getInstallArgs().getUser()); 1789 try { 1790 ret = args.copyApk(mContainerService, true); 1791 } catch (RemoteException e) { 1792 Slog.e(TAG, "Could not contact the ContainerService"); 1793 } 1794 } else { 1795 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1796 } 1797 1798 Trace.asyncTraceEnd( 1799 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1800 1801 processPendingInstall(args, ret); 1802 mHandler.sendEmptyMessage(MCS_UNBIND); 1803 } 1804 1805 break; 1806 } 1807 case START_INTENT_FILTER_VERIFICATIONS: { 1808 IFVerificationParams params = (IFVerificationParams) msg.obj; 1809 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1810 params.replacing, params.pkg); 1811 break; 1812 } 1813 case INTENT_FILTER_VERIFIED: { 1814 final int verificationId = msg.arg1; 1815 1816 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1817 verificationId); 1818 if (state == null) { 1819 Slog.w(TAG, "Invalid IntentFilter verification token " 1820 + verificationId + " received"); 1821 break; 1822 } 1823 1824 final int userId = state.getUserId(); 1825 1826 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1827 "Processing IntentFilter verification with token:" 1828 + verificationId + " and userId:" + userId); 1829 1830 final IntentFilterVerificationResponse response = 1831 (IntentFilterVerificationResponse) msg.obj; 1832 1833 state.setVerifierResponse(response.callerUid, response.code); 1834 1835 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1836 "IntentFilter verification with token:" + verificationId 1837 + " and userId:" + userId 1838 + " is settings verifier response with response code:" 1839 + response.code); 1840 1841 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1842 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1843 + response.getFailedDomainsString()); 1844 } 1845 1846 if (state.isVerificationComplete()) { 1847 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1848 } else { 1849 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1850 "IntentFilter verification with token:" + verificationId 1851 + " was not said to be complete"); 1852 } 1853 1854 break; 1855 } 1856 case INSTANT_APP_RESOLUTION_PHASE_TWO: { 1857 InstantAppResolver.doInstantAppResolutionPhaseTwo(mContext, 1858 mInstantAppResolverConnection, 1859 (InstantAppRequest) msg.obj, 1860 mInstantAppInstallerActivity, 1861 mHandler); 1862 } 1863 } 1864 } 1865 } 1866 1867 private PermissionCallback mPermissionCallback = new PermissionCallback() { 1868 @Override 1869 public void onGidsChanged(int appId, int userId) { 1870 mHandler.post(new Runnable() { 1871 @Override 1872 public void run() { 1873 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 1874 } 1875 }); 1876 } 1877 @Override 1878 public void onPermissionGranted(int uid, int userId) { 1879 mOnPermissionChangeListeners.onPermissionsChanged(uid); 1880 1881 // Not critical; if this is lost, the application has to request again. 1882 synchronized (mPackages) { 1883 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 1884 } 1885 } 1886 @Override 1887 public void onInstallPermissionGranted() { 1888 synchronized (mPackages) { 1889 scheduleWriteSettingsLocked(); 1890 } 1891 } 1892 @Override 1893 public void onPermissionRevoked(int uid, int userId) { 1894 mOnPermissionChangeListeners.onPermissionsChanged(uid); 1895 1896 synchronized (mPackages) { 1897 // Critical; after this call the application should never have the permission 1898 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 1899 } 1900 1901 final int appId = UserHandle.getAppId(uid); 1902 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 1903 } 1904 @Override 1905 public void onInstallPermissionRevoked() { 1906 synchronized (mPackages) { 1907 scheduleWriteSettingsLocked(); 1908 } 1909 } 1910 @Override 1911 public void onPermissionUpdated(int[] updatedUserIds, boolean sync) { 1912 synchronized (mPackages) { 1913 for (int userId : updatedUserIds) { 1914 mSettings.writeRuntimePermissionsForUserLPr(userId, sync); 1915 } 1916 } 1917 } 1918 @Override 1919 public void onInstallPermissionUpdated() { 1920 synchronized (mPackages) { 1921 scheduleWriteSettingsLocked(); 1922 } 1923 } 1924 @Override 1925 public void onPermissionRemoved() { 1926 synchronized (mPackages) { 1927 mSettings.writeLPr(); 1928 } 1929 } 1930 }; 1931 1932 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1933 boolean killApp, boolean virtualPreload, String[] grantedPermissions, 1934 boolean launchedForRestore, String installerPackage, 1935 IPackageInstallObserver2 installObserver) { 1936 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1937 // Send the removed broadcasts 1938 if (res.removedInfo != null) { 1939 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1940 } 1941 1942 // Now that we successfully installed the package, grant runtime 1943 // permissions if requested before broadcasting the install. Also 1944 // for legacy apps in permission review mode we clear the permission 1945 // review flag which is used to emulate runtime permissions for 1946 // legacy apps. 1947 if (grantPermissions) { 1948 final int callingUid = Binder.getCallingUid(); 1949 mPermissionManager.grantRequestedRuntimePermissions( 1950 res.pkg, res.newUsers, grantedPermissions, callingUid, 1951 mPermissionCallback); 1952 } 1953 1954 final boolean update = res.removedInfo != null 1955 && res.removedInfo.removedPackage != null; 1956 final String installerPackageName = 1957 res.installerPackageName != null 1958 ? res.installerPackageName 1959 : res.removedInfo != null 1960 ? res.removedInfo.installerPackageName 1961 : null; 1962 1963 // If this is the first time we have child packages for a disabled privileged 1964 // app that had no children, we grant requested runtime permissions to the new 1965 // children if the parent on the system image had them already granted. 1966 if (res.pkg.parentPackage != null) { 1967 final int callingUid = Binder.getCallingUid(); 1968 mPermissionManager.grantRuntimePermissionsGrantedToDisabledPackage( 1969 res.pkg, callingUid, mPermissionCallback); 1970 } 1971 1972 synchronized (mPackages) { 1973 mInstantAppRegistry.onPackageInstalledLPw(res.pkg, res.newUsers); 1974 } 1975 1976 final String packageName = res.pkg.applicationInfo.packageName; 1977 1978 // Determine the set of users who are adding this package for 1979 // the first time vs. those who are seeing an update. 1980 int[] firstUserIds = EMPTY_INT_ARRAY; 1981 int[] firstInstantUserIds = EMPTY_INT_ARRAY; 1982 int[] updateUserIds = EMPTY_INT_ARRAY; 1983 int[] instantUserIds = EMPTY_INT_ARRAY; 1984 final boolean allNewUsers = res.origUsers == null || res.origUsers.length == 0; 1985 final PackageSetting ps = (PackageSetting) res.pkg.mExtras; 1986 for (int newUser : res.newUsers) { 1987 final boolean isInstantApp = ps.getInstantApp(newUser); 1988 if (allNewUsers) { 1989 if (isInstantApp) { 1990 firstInstantUserIds = ArrayUtils.appendInt(firstInstantUserIds, newUser); 1991 } else { 1992 firstUserIds = ArrayUtils.appendInt(firstUserIds, newUser); 1993 } 1994 continue; 1995 } 1996 boolean isNew = true; 1997 for (int origUser : res.origUsers) { 1998 if (origUser == newUser) { 1999 isNew = false; 2000 break; 2001 } 2002 } 2003 if (isNew) { 2004 if (isInstantApp) { 2005 firstInstantUserIds = ArrayUtils.appendInt(firstInstantUserIds, newUser); 2006 } else { 2007 firstUserIds = ArrayUtils.appendInt(firstUserIds, newUser); 2008 } 2009 } else { 2010 if (isInstantApp) { 2011 instantUserIds = ArrayUtils.appendInt(instantUserIds, newUser); 2012 } else { 2013 updateUserIds = ArrayUtils.appendInt(updateUserIds, newUser); 2014 } 2015 } 2016 } 2017 2018 // Send installed broadcasts if the package is not a static shared lib. 2019 if (res.pkg.staticSharedLibName == null) { 2020 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 2021 2022 // Send added for users that see the package for the first time 2023 // sendPackageAddedForNewUsers also deals with system apps 2024 int appId = UserHandle.getAppId(res.uid); 2025 boolean isSystem = res.pkg.applicationInfo.isSystemApp(); 2026 sendPackageAddedForNewUsers(packageName, isSystem || virtualPreload, 2027 virtualPreload /*startReceiver*/, appId, firstUserIds, firstInstantUserIds); 2028 2029 // Send added for users that don't see the package for the first time 2030 Bundle extras = new Bundle(1); 2031 extras.putInt(Intent.EXTRA_UID, res.uid); 2032 if (update) { 2033 extras.putBoolean(Intent.EXTRA_REPLACING, true); 2034 } 2035 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 2036 extras, 0 /*flags*/, 2037 null /*targetPackage*/, null /*finishedReceiver*/, 2038 updateUserIds, instantUserIds); 2039 if (installerPackageName != null) { 2040 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 2041 extras, 0 /*flags*/, 2042 installerPackageName, null /*finishedReceiver*/, 2043 updateUserIds, instantUserIds); 2044 } 2045 2046 // Send replaced for users that don't see the package for the first time 2047 if (update) { 2048 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 2049 packageName, extras, 0 /*flags*/, 2050 null /*targetPackage*/, null /*finishedReceiver*/, 2051 updateUserIds, instantUserIds); 2052 if (installerPackageName != null) { 2053 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 2054 extras, 0 /*flags*/, 2055 installerPackageName, null /*finishedReceiver*/, 2056 updateUserIds, instantUserIds); 2057 } 2058 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 2059 null /*package*/, null /*extras*/, 0 /*flags*/, 2060 packageName /*targetPackage*/, 2061 null /*finishedReceiver*/, updateUserIds, instantUserIds); 2062 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 2063 // First-install and we did a restore, so we're responsible for the 2064 // first-launch broadcast. 2065 if (DEBUG_BACKUP) { 2066 Slog.i(TAG, "Post-restore of " + packageName 2067 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUserIds)); 2068 } 2069 sendFirstLaunchBroadcast(packageName, installerPackage, 2070 firstUserIds, firstInstantUserIds); 2071 } 2072 2073 // Send broadcast package appeared if forward locked/external for all users 2074 // treat asec-hosted packages like removable media on upgrade 2075 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 2076 if (DEBUG_INSTALL) { 2077 Slog.i(TAG, "upgrading pkg " + res.pkg 2078 + " is ASEC-hosted -> AVAILABLE"); 2079 } 2080 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 2081 ArrayList<String> pkgList = new ArrayList<>(1); 2082 pkgList.add(packageName); 2083 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 2084 } 2085 } 2086 2087 // Work that needs to happen on first install within each user 2088 if (firstUserIds != null && firstUserIds.length > 0) { 2089 synchronized (mPackages) { 2090 for (int userId : firstUserIds) { 2091 // If this app is a browser and it's newly-installed for some 2092 // users, clear any default-browser state in those users. The 2093 // app's nature doesn't depend on the user, so we can just check 2094 // its browser nature in any user and generalize. 2095 if (packageIsBrowser(packageName, userId)) { 2096 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 2097 } 2098 2099 // We may also need to apply pending (restored) runtime 2100 // permission grants within these users. 2101 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 2102 } 2103 } 2104 } 2105 2106 if (allNewUsers && !update) { 2107 notifyPackageAdded(packageName); 2108 } 2109 2110 // Log current value of "unknown sources" setting 2111 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 2112 getUnknownSourcesSettings()); 2113 2114 // Remove the replaced package's older resources safely now 2115 // We delete after a gc for applications on sdcard. 2116 if (res.removedInfo != null && res.removedInfo.args != null) { 2117 Runtime.getRuntime().gc(); 2118 synchronized (mInstallLock) { 2119 res.removedInfo.args.doPostDeleteLI(true); 2120 } 2121 } else { 2122 // Force a gc to clear up things. Ask for a background one, it's fine to go on 2123 // and not block here. 2124 VMRuntime.getRuntime().requestConcurrentGC(); 2125 } 2126 2127 // Notify DexManager that the package was installed for new users. 2128 // The updated users should already be indexed and the package code paths 2129 // should not change. 2130 // Don't notify the manager for ephemeral apps as they are not expected to 2131 // survive long enough to benefit of background optimizations. 2132 for (int userId : firstUserIds) { 2133 PackageInfo info = getPackageInfo(packageName, /*flags*/ 0, userId); 2134 // There's a race currently where some install events may interleave with an uninstall. 2135 // This can lead to package info being null (b/36642664). 2136 if (info != null) { 2137 mDexManager.notifyPackageInstalled(info, userId); 2138 } 2139 } 2140 } 2141 2142 // If someone is watching installs - notify them 2143 if (installObserver != null) { 2144 try { 2145 Bundle extras = extrasForInstallResult(res); 2146 installObserver.onPackageInstalled(res.name, res.returnCode, 2147 res.returnMsg, extras); 2148 } catch (RemoteException e) { 2149 Slog.i(TAG, "Observer no longer exists."); 2150 } 2151 } 2152 } 2153 2154 private StorageEventListener mStorageListener = new StorageEventListener() { 2155 @Override 2156 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 2157 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 2158 if (vol.state == VolumeInfo.STATE_MOUNTED) { 2159 final String volumeUuid = vol.getFsUuid(); 2160 2161 // Clean up any users or apps that were removed or recreated 2162 // while this volume was missing 2163 sUserManager.reconcileUsers(volumeUuid); 2164 reconcileApps(volumeUuid); 2165 2166 // Clean up any install sessions that expired or were 2167 // cancelled while this volume was missing 2168 mInstallerService.onPrivateVolumeMounted(volumeUuid); 2169 2170 loadPrivatePackages(vol); 2171 2172 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2173 unloadPrivatePackages(vol); 2174 } 2175 } 2176 } 2177 2178 @Override 2179 public void onVolumeForgotten(String fsUuid) { 2180 if (TextUtils.isEmpty(fsUuid)) { 2181 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 2182 return; 2183 } 2184 2185 // Remove any apps installed on the forgotten volume 2186 synchronized (mPackages) { 2187 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 2188 for (PackageSetting ps : packages) { 2189 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 2190 deletePackageVersioned(new VersionedPackage(ps.name, 2191 PackageManager.VERSION_CODE_HIGHEST), 2192 new LegacyPackageDeleteObserver(null).getBinder(), 2193 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 2194 // Try very hard to release any references to this package 2195 // so we don't risk the system server being killed due to 2196 // open FDs 2197 AttributeCache.instance().removePackage(ps.name); 2198 } 2199 2200 mSettings.onVolumeForgotten(fsUuid); 2201 mSettings.writeLPr(); 2202 } 2203 } 2204 }; 2205 2206 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2207 Bundle extras = null; 2208 switch (res.returnCode) { 2209 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2210 extras = new Bundle(); 2211 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2212 res.origPermission); 2213 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2214 res.origPackage); 2215 break; 2216 } 2217 case PackageManager.INSTALL_SUCCEEDED: { 2218 extras = new Bundle(); 2219 extras.putBoolean(Intent.EXTRA_REPLACING, 2220 res.removedInfo != null && res.removedInfo.removedPackage != null); 2221 break; 2222 } 2223 } 2224 return extras; 2225 } 2226 2227 void scheduleWriteSettingsLocked() { 2228 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2229 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2230 } 2231 } 2232 2233 void scheduleWritePackageListLocked(int userId) { 2234 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 2235 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 2236 msg.arg1 = userId; 2237 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 2238 } 2239 } 2240 2241 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2242 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2243 scheduleWritePackageRestrictionsLocked(userId); 2244 } 2245 2246 void scheduleWritePackageRestrictionsLocked(int userId) { 2247 final int[] userIds = (userId == UserHandle.USER_ALL) 2248 ? sUserManager.getUserIds() : new int[]{userId}; 2249 for (int nextUserId : userIds) { 2250 if (!sUserManager.exists(nextUserId)) return; 2251 mDirtyUsers.add(nextUserId); 2252 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2253 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2254 } 2255 } 2256 } 2257 2258 public static PackageManagerService main(Context context, Installer installer, 2259 boolean factoryTest, boolean onlyCore) { 2260 // Self-check for initial settings. 2261 PackageManagerServiceCompilerMapping.checkProperties(); 2262 2263 PackageManagerService m = new PackageManagerService(context, installer, 2264 factoryTest, onlyCore); 2265 m.enableSystemUserPackages(); 2266 ServiceManager.addService("package", m); 2267 final PackageManagerNative pmn = m.new PackageManagerNative(); 2268 ServiceManager.addService("package_native", pmn); 2269 return m; 2270 } 2271 2272 private void enableSystemUserPackages() { 2273 if (!UserManager.isSplitSystemUser()) { 2274 return; 2275 } 2276 // For system user, enable apps based on the following conditions: 2277 // - app is whitelisted or belong to one of these groups: 2278 // -- system app which has no launcher icons 2279 // -- system app which has INTERACT_ACROSS_USERS permission 2280 // -- system IME app 2281 // - app is not in the blacklist 2282 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2283 Set<String> enableApps = new ArraySet<>(); 2284 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2285 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2286 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2287 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2288 enableApps.addAll(wlApps); 2289 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2290 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2291 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2292 enableApps.removeAll(blApps); 2293 Log.i(TAG, "Applications installed for system user: " + enableApps); 2294 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2295 UserHandle.SYSTEM); 2296 final int allAppsSize = allAps.size(); 2297 synchronized (mPackages) { 2298 for (int i = 0; i < allAppsSize; i++) { 2299 String pName = allAps.get(i); 2300 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2301 // Should not happen, but we shouldn't be failing if it does 2302 if (pkgSetting == null) { 2303 continue; 2304 } 2305 boolean install = enableApps.contains(pName); 2306 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2307 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2308 + " for system user"); 2309 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2310 } 2311 } 2312 scheduleWritePackageRestrictionsLocked(UserHandle.USER_SYSTEM); 2313 } 2314 } 2315 2316 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2317 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2318 Context.DISPLAY_SERVICE); 2319 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2320 } 2321 2322 /** 2323 * Requests that files preopted on a secondary system partition be copied to the data partition 2324 * if possible. Note that the actual copying of the files is accomplished by init for security 2325 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2326 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2327 */ 2328 private static void requestCopyPreoptedFiles() { 2329 final int WAIT_TIME_MS = 100; 2330 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2331 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2332 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2333 // We will wait for up to 100 seconds. 2334 final long timeStart = SystemClock.uptimeMillis(); 2335 final long timeEnd = timeStart + 100 * 1000; 2336 long timeNow = timeStart; 2337 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2338 try { 2339 Thread.sleep(WAIT_TIME_MS); 2340 } catch (InterruptedException e) { 2341 // Do nothing 2342 } 2343 timeNow = SystemClock.uptimeMillis(); 2344 if (timeNow > timeEnd) { 2345 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2346 Slog.wtf(TAG, "cppreopt did not finish!"); 2347 break; 2348 } 2349 } 2350 2351 Slog.i(TAG, "cppreopts took " + (timeNow - timeStart) + " ms"); 2352 } 2353 } 2354 2355 public PackageManagerService(Context context, Installer installer, 2356 boolean factoryTest, boolean onlyCore) { 2357 LockGuard.installLock(mPackages, LockGuard.INDEX_PACKAGES); 2358 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "create package manager"); 2359 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2360 SystemClock.uptimeMillis()); 2361 2362 if (mSdkVersion <= 0) { 2363 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2364 } 2365 2366 mContext = context; 2367 2368 mFactoryTest = factoryTest; 2369 mOnlyCore = onlyCore; 2370 mMetrics = new DisplayMetrics(); 2371 mInstaller = installer; 2372 2373 // Create sub-components that provide services / data. Order here is important. 2374 synchronized (mInstallLock) { 2375 synchronized (mPackages) { 2376 // Expose private service for system components to use. 2377 LocalServices.addService( 2378 PackageManagerInternal.class, new PackageManagerInternalImpl()); 2379 sUserManager = new UserManagerService(context, this, 2380 new UserDataPreparer(mInstaller, mInstallLock, mContext, mOnlyCore), mPackages); 2381 mPermissionManager = PermissionManagerService.create(context, 2382 new DefaultPermissionGrantedCallback() { 2383 @Override 2384 public void onDefaultRuntimePermissionsGranted(int userId) { 2385 synchronized(mPackages) { 2386 mSettings.onDefaultRuntimePermissionsGrantedLPr(userId); 2387 } 2388 } 2389 }, mPackages /*externalLock*/); 2390 mDefaultPermissionPolicy = mPermissionManager.getDefaultPermissionGrantPolicy(); 2391 mSettings = new Settings(mPermissionManager.getPermissionSettings(), mPackages); 2392 } 2393 } 2394 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2395 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2396 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2397 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2398 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2399 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2400 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2401 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2402 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2403 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2404 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2405 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2406 2407 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2408 if (separateProcesses != null && separateProcesses.length() > 0) { 2409 if ("*".equals(separateProcesses)) { 2410 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2411 mSeparateProcesses = null; 2412 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2413 } else { 2414 mDefParseFlags = 0; 2415 mSeparateProcesses = separateProcesses.split(","); 2416 Slog.w(TAG, "Running with debug.separate_processes: " 2417 + separateProcesses); 2418 } 2419 } else { 2420 mDefParseFlags = 0; 2421 mSeparateProcesses = null; 2422 } 2423 2424 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2425 "*dexopt*"); 2426 DexManager.Listener dexManagerListener = DexLogger.getListener(this, 2427 installer, mInstallLock); 2428 mDexManager = new DexManager(this, mPackageDexOptimizer, installer, mInstallLock, 2429 dexManagerListener); 2430 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2431 2432 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2433 FgThread.get().getLooper()); 2434 2435 getDefaultDisplayMetrics(context, mMetrics); 2436 2437 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "get system config"); 2438 SystemConfig systemConfig = SystemConfig.getInstance(); 2439 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2440 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2441 2442 mProtectedPackages = new ProtectedPackages(mContext); 2443 2444 synchronized (mInstallLock) { 2445 // writer 2446 synchronized (mPackages) { 2447 mHandlerThread = new ServiceThread(TAG, 2448 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2449 mHandlerThread.start(); 2450 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2451 mProcessLoggingHandler = new ProcessLoggingHandler(); 2452 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2453 mInstantAppRegistry = new InstantAppRegistry(this); 2454 2455 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2456 final int builtInLibCount = libConfig.size(); 2457 for (int i = 0; i < builtInLibCount; i++) { 2458 String name = libConfig.keyAt(i); 2459 String path = libConfig.valueAt(i); 2460 addSharedLibraryLPw(path, null, name, SharedLibraryInfo.VERSION_UNDEFINED, 2461 SharedLibraryInfo.TYPE_BUILTIN, PLATFORM_PACKAGE_NAME, 0); 2462 } 2463 2464 SELinuxMMAC.readInstallPolicy(); 2465 2466 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "read user settings"); 2467 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2468 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2469 2470 // Clean up orphaned packages for which the code path doesn't exist 2471 // and they are an update to a system app - caused by bug/32321269 2472 final int packageSettingCount = mSettings.mPackages.size(); 2473 for (int i = packageSettingCount - 1; i >= 0; i--) { 2474 PackageSetting ps = mSettings.mPackages.valueAt(i); 2475 if (!isExternal(ps) && (ps.codePath == null || !ps.codePath.exists()) 2476 && mSettings.getDisabledSystemPkgLPr(ps.name) != null) { 2477 mSettings.mPackages.removeAt(i); 2478 mSettings.enableSystemPackageLPw(ps.name); 2479 } 2480 } 2481 2482 if (mFirstBoot) { 2483 requestCopyPreoptedFiles(); 2484 } 2485 2486 String customResolverActivity = Resources.getSystem().getString( 2487 R.string.config_customResolverActivity); 2488 if (TextUtils.isEmpty(customResolverActivity)) { 2489 customResolverActivity = null; 2490 } else { 2491 mCustomResolverComponentName = ComponentName.unflattenFromString( 2492 customResolverActivity); 2493 } 2494 2495 long startTime = SystemClock.uptimeMillis(); 2496 2497 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2498 startTime); 2499 2500 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2501 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2502 2503 if (bootClassPath == null) { 2504 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2505 } 2506 2507 if (systemServerClassPath == null) { 2508 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2509 } 2510 2511 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2512 2513 final VersionInfo ver = mSettings.getInternalVersion(); 2514 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2515 if (mIsUpgrade) { 2516 logCriticalInfo(Log.INFO, 2517 "Upgrading from " + ver.fingerprint + " to " + Build.FINGERPRINT); 2518 } 2519 2520 // when upgrading from pre-M, promote system app permissions from install to runtime 2521 mPromoteSystemApps = 2522 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2523 2524 // When upgrading from pre-N, we need to handle package extraction like first boot, 2525 // as there is no profiling data available. 2526 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2527 2528 mIsPreNMR1Upgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N_MR1; 2529 2530 // save off the names of pre-existing system packages prior to scanning; we don't 2531 // want to automatically grant runtime permissions for new system apps 2532 if (mPromoteSystemApps) { 2533 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2534 while (pkgSettingIter.hasNext()) { 2535 PackageSetting ps = pkgSettingIter.next(); 2536 if (isSystemApp(ps)) { 2537 mExistingSystemPackages.add(ps.name); 2538 } 2539 } 2540 } 2541 2542 mCacheDir = preparePackageParserCache(mIsUpgrade); 2543 2544 // Set flag to monitor and not change apk file paths when 2545 // scanning install directories. 2546 int scanFlags = SCAN_BOOTING | SCAN_INITIAL; 2547 2548 if (mIsUpgrade || mFirstBoot) { 2549 scanFlags = scanFlags | SCAN_FIRST_BOOT_OR_UPGRADE; 2550 } 2551 2552 // Collect vendor overlay packages. (Do this before scanning any apps.) 2553 // For security and version matching reason, only consider 2554 // overlay packages if they reside in the right directory. 2555 scanDirTracedLI(new File(VENDOR_OVERLAY_DIR), 2556 mDefParseFlags 2557 | PackageParser.PARSE_IS_SYSTEM_DIR, 2558 scanFlags 2559 | SCAN_AS_SYSTEM 2560 | SCAN_TRUSTED_OVERLAY, 2561 0); 2562 2563 mParallelPackageParserCallback.findStaticOverlayPackages(); 2564 2565 // Find base frameworks (resource packages without code). 2566 scanDirTracedLI(frameworkDir, 2567 mDefParseFlags 2568 | PackageParser.PARSE_IS_SYSTEM_DIR, 2569 scanFlags 2570 | SCAN_NO_DEX 2571 | SCAN_AS_SYSTEM 2572 | SCAN_AS_PRIVILEGED, 2573 0); 2574 2575 // Collected privileged system packages. 2576 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2577 scanDirTracedLI(privilegedAppDir, 2578 mDefParseFlags 2579 | PackageParser.PARSE_IS_SYSTEM_DIR, 2580 scanFlags 2581 | SCAN_AS_SYSTEM 2582 | SCAN_AS_PRIVILEGED, 2583 0); 2584 2585 // Collect ordinary system packages. 2586 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2587 scanDirTracedLI(systemAppDir, 2588 mDefParseFlags 2589 | PackageParser.PARSE_IS_SYSTEM_DIR, 2590 scanFlags 2591 | SCAN_AS_SYSTEM, 2592 0); 2593 2594 // Collected privileged vendor packages. 2595 File privilegedVendorAppDir = new File(Environment.getVendorDirectory(), 2596 "priv-app"); 2597 try { 2598 privilegedVendorAppDir = privilegedVendorAppDir.getCanonicalFile(); 2599 } catch (IOException e) { 2600 // failed to look up canonical path, continue with original one 2601 } 2602 scanDirTracedLI(privilegedVendorAppDir, 2603 mDefParseFlags 2604 | PackageParser.PARSE_IS_SYSTEM_DIR, 2605 scanFlags 2606 | SCAN_AS_SYSTEM 2607 | SCAN_AS_VENDOR 2608 | SCAN_AS_PRIVILEGED, 2609 0); 2610 2611 // Collect ordinary vendor packages. 2612 File vendorAppDir = new File(Environment.getVendorDirectory(), "app"); 2613 try { 2614 vendorAppDir = vendorAppDir.getCanonicalFile(); 2615 } catch (IOException e) { 2616 // failed to look up canonical path, continue with original one 2617 } 2618 scanDirTracedLI(vendorAppDir, 2619 mDefParseFlags 2620 | PackageParser.PARSE_IS_SYSTEM_DIR, 2621 scanFlags 2622 | SCAN_AS_SYSTEM 2623 | SCAN_AS_VENDOR, 2624 0); 2625 2626 // Collect all OEM packages. 2627 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2628 scanDirTracedLI(oemAppDir, 2629 mDefParseFlags 2630 | PackageParser.PARSE_IS_SYSTEM_DIR, 2631 scanFlags 2632 | SCAN_AS_SYSTEM 2633 | SCAN_AS_OEM, 2634 0); 2635 2636 // Prune any system packages that no longer exist. 2637 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<>(); 2638 // Stub packages must either be replaced with full versions in the /data 2639 // partition or be disabled. 2640 final List<String> stubSystemApps = new ArrayList<>(); 2641 if (!mOnlyCore) { 2642 // do this first before mucking with mPackages for the "expecting better" case 2643 final Iterator<PackageParser.Package> pkgIterator = mPackages.values().iterator(); 2644 while (pkgIterator.hasNext()) { 2645 final PackageParser.Package pkg = pkgIterator.next(); 2646 if (pkg.isStub) { 2647 stubSystemApps.add(pkg.packageName); 2648 } 2649 } 2650 2651 final Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2652 while (psit.hasNext()) { 2653 PackageSetting ps = psit.next(); 2654 2655 /* 2656 * If this is not a system app, it can't be a 2657 * disable system app. 2658 */ 2659 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2660 continue; 2661 } 2662 2663 /* 2664 * If the package is scanned, it's not erased. 2665 */ 2666 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2667 if (scannedPkg != null) { 2668 /* 2669 * If the system app is both scanned and in the 2670 * disabled packages list, then it must have been 2671 * added via OTA. Remove it from the currently 2672 * scanned package so the previously user-installed 2673 * application can be scanned. 2674 */ 2675 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2676 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2677 + ps.name + "; removing system app. Last known codePath=" 2678 + ps.codePathString + ", installStatus=" + ps.installStatus 2679 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2680 + scannedPkg.getLongVersionCode()); 2681 removePackageLI(scannedPkg, true); 2682 mExpectingBetter.put(ps.name, ps.codePath); 2683 } 2684 2685 continue; 2686 } 2687 2688 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2689 psit.remove(); 2690 logCriticalInfo(Log.WARN, "System package " + ps.name 2691 + " no longer exists; it's data will be wiped"); 2692 // Actual deletion of code and data will be handled by later 2693 // reconciliation step 2694 } else { 2695 // we still have a disabled system package, but, it still might have 2696 // been removed. check the code path still exists and check there's 2697 // still a package. the latter can happen if an OTA keeps the same 2698 // code path, but, changes the package name. 2699 final PackageSetting disabledPs = 2700 mSettings.getDisabledSystemPkgLPr(ps.name); 2701 if (disabledPs.codePath == null || !disabledPs.codePath.exists() 2702 || disabledPs.pkg == null) { 2703if (REFACTOR_DEBUG) { 2704Slog.e("TODD", 2705 "Possibly deleted app: " + ps.dumpState_temp() 2706 + "; path: " + (disabledPs.codePath == null ? "<<NULL>>":disabledPs.codePath) 2707 + "; pkg: " + (disabledPs.pkg==null?"<<NULL>>":disabledPs.pkg.toString())); 2708} 2709 possiblyDeletedUpdatedSystemApps.add(ps.name); 2710 } 2711 } 2712 } 2713 } 2714 2715 //look for any incomplete package installations 2716 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2717 for (int i = 0; i < deletePkgsList.size(); i++) { 2718 // Actual deletion of code and data will be handled by later 2719 // reconciliation step 2720 final String packageName = deletePkgsList.get(i).name; 2721 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2722 synchronized (mPackages) { 2723 mSettings.removePackageLPw(packageName); 2724 } 2725 } 2726 2727 //delete tmp files 2728 deleteTempPackageFiles(); 2729 2730 final int cachedSystemApps = PackageParser.sCachedPackageReadCount.get(); 2731 2732 // Remove any shared userIDs that have no associated packages 2733 mSettings.pruneSharedUsersLPw(); 2734 final long systemScanTime = SystemClock.uptimeMillis() - startTime; 2735 final int systemPackagesCount = mPackages.size(); 2736 Slog.i(TAG, "Finished scanning system apps. Time: " + systemScanTime 2737 + " ms, packageCount: " + systemPackagesCount 2738 + " , timePerPackage: " 2739 + (systemPackagesCount == 0 ? 0 : systemScanTime / systemPackagesCount) 2740 + " , cached: " + cachedSystemApps); 2741 if (mIsUpgrade && systemPackagesCount > 0) { 2742 MetricsLogger.histogram(null, "ota_package_manager_system_app_avg_scan_time", 2743 ((int) systemScanTime) / systemPackagesCount); 2744 } 2745 if (!mOnlyCore) { 2746 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2747 SystemClock.uptimeMillis()); 2748 scanDirTracedLI(sAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2749 2750 scanDirTracedLI(sDrmAppPrivateInstallDir, mDefParseFlags 2751 | PackageParser.PARSE_FORWARD_LOCK, 2752 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2753 2754 // Remove disable package settings for updated system apps that were 2755 // removed via an OTA. If the update is no longer present, remove the 2756 // app completely. Otherwise, revoke their system privileges. 2757 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2758 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2759 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2760if (REFACTOR_DEBUG) { 2761Slog.e("TODD", 2762 "remove update; name: " + deletedAppName + ", exists? " + (deletedPkg != null)); 2763} 2764 final String msg; 2765 if (deletedPkg == null) { 2766 // should have found an update, but, we didn't; remove everything 2767 msg = "Updated system package " + deletedAppName 2768 + " no longer exists; removing its data"; 2769 // Actual deletion of code and data will be handled by later 2770 // reconciliation step 2771 } else { 2772 // found an update; revoke system privileges 2773 msg = "Updated system package + " + deletedAppName 2774 + " no longer exists; revoking system privileges"; 2775 2776 // Don't do anything if a stub is removed from the system image. If 2777 // we were to remove the uncompressed version from the /data partition, 2778 // this is where it'd be done. 2779 2780 final PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2781 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2782 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2783 } 2784 logCriticalInfo(Log.WARN, msg); 2785 } 2786 2787 /* 2788 * Make sure all system apps that we expected to appear on 2789 * the userdata partition actually showed up. If they never 2790 * appeared, crawl back and revive the system version. 2791 */ 2792 for (int i = 0; i < mExpectingBetter.size(); i++) { 2793 final String packageName = mExpectingBetter.keyAt(i); 2794 if (!mPackages.containsKey(packageName)) { 2795 final File scanFile = mExpectingBetter.valueAt(i); 2796 2797 logCriticalInfo(Log.WARN, "Expected better " + packageName 2798 + " but never showed up; reverting to system"); 2799 2800 final @ParseFlags int reparseFlags; 2801 final @ScanFlags int rescanFlags; 2802 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2803 reparseFlags = 2804 mDefParseFlags | 2805 PackageParser.PARSE_IS_SYSTEM_DIR; 2806 rescanFlags = 2807 scanFlags 2808 | SCAN_AS_SYSTEM 2809 | SCAN_AS_PRIVILEGED; 2810 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2811 reparseFlags = 2812 mDefParseFlags | 2813 PackageParser.PARSE_IS_SYSTEM_DIR; 2814 rescanFlags = 2815 scanFlags 2816 | SCAN_AS_SYSTEM; 2817 } else if (FileUtils.contains(privilegedVendorAppDir, scanFile)) { 2818 reparseFlags = 2819 mDefParseFlags | 2820 PackageParser.PARSE_IS_SYSTEM_DIR; 2821 rescanFlags = 2822 scanFlags 2823 | SCAN_AS_SYSTEM 2824 | SCAN_AS_VENDOR 2825 | SCAN_AS_PRIVILEGED; 2826 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2827 reparseFlags = 2828 mDefParseFlags | 2829 PackageParser.PARSE_IS_SYSTEM_DIR; 2830 rescanFlags = 2831 scanFlags 2832 | SCAN_AS_SYSTEM 2833 | SCAN_AS_VENDOR; 2834 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2835 reparseFlags = 2836 mDefParseFlags | 2837 PackageParser.PARSE_IS_SYSTEM_DIR; 2838 rescanFlags = 2839 scanFlags 2840 | SCAN_AS_SYSTEM 2841 | SCAN_AS_OEM; 2842 } else { 2843 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2844 continue; 2845 } 2846 2847 mSettings.enableSystemPackageLPw(packageName); 2848 2849 try { 2850 scanPackageTracedLI(scanFile, reparseFlags, rescanFlags, 0, null); 2851 } catch (PackageManagerException e) { 2852 Slog.e(TAG, "Failed to parse original system package: " 2853 + e.getMessage()); 2854 } 2855 } 2856 } 2857 2858 // Uncompress and install any stubbed system applications. 2859 // This must be done last to ensure all stubs are replaced or disabled. 2860 decompressSystemApplications(stubSystemApps, scanFlags); 2861 2862 final int cachedNonSystemApps = PackageParser.sCachedPackageReadCount.get() 2863 - cachedSystemApps; 2864 2865 final long dataScanTime = SystemClock.uptimeMillis() - systemScanTime - startTime; 2866 final int dataPackagesCount = mPackages.size() - systemPackagesCount; 2867 Slog.i(TAG, "Finished scanning non-system apps. Time: " + dataScanTime 2868 + " ms, packageCount: " + dataPackagesCount 2869 + " , timePerPackage: " 2870 + (dataPackagesCount == 0 ? 0 : dataScanTime / dataPackagesCount) 2871 + " , cached: " + cachedNonSystemApps); 2872 if (mIsUpgrade && dataPackagesCount > 0) { 2873 MetricsLogger.histogram(null, "ota_package_manager_data_app_avg_scan_time", 2874 ((int) dataScanTime) / dataPackagesCount); 2875 } 2876 } 2877 mExpectingBetter.clear(); 2878 2879 // Resolve the storage manager. 2880 mStorageManagerPackage = getStorageManagerPackageName(); 2881 2882 // Resolve protected action filters. Only the setup wizard is allowed to 2883 // have a high priority filter for these actions. 2884 mSetupWizardPackage = getSetupWizardPackageName(); 2885 if (mProtectedFilters.size() > 0) { 2886 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2887 Slog.i(TAG, "No setup wizard;" 2888 + " All protected intents capped to priority 0"); 2889 } 2890 for (ActivityIntentInfo filter : mProtectedFilters) { 2891 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2892 if (DEBUG_FILTERS) { 2893 Slog.i(TAG, "Found setup wizard;" 2894 + " allow priority " + filter.getPriority() + ";" 2895 + " package: " + filter.activity.info.packageName 2896 + " activity: " + filter.activity.className 2897 + " priority: " + filter.getPriority()); 2898 } 2899 // skip setup wizard; allow it to keep the high priority filter 2900 continue; 2901 } 2902 if (DEBUG_FILTERS) { 2903 Slog.i(TAG, "Protected action; cap priority to 0;" 2904 + " package: " + filter.activity.info.packageName 2905 + " activity: " + filter.activity.className 2906 + " origPrio: " + filter.getPriority()); 2907 } 2908 filter.setPriority(0); 2909 } 2910 } 2911 mDeferProtectedFilters = false; 2912 mProtectedFilters.clear(); 2913 2914 // Now that we know all of the shared libraries, update all clients to have 2915 // the correct library paths. 2916 updateAllSharedLibrariesLPw(null); 2917 2918 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2919 // NOTE: We ignore potential failures here during a system scan (like 2920 // the rest of the commands above) because there's precious little we 2921 // can do about it. A settings error is reported, though. 2922 final List<String> changedAbiCodePath = 2923 adjustCpuAbisForSharedUserLPw(setting.packages, null /*scannedPackage*/); 2924 if (changedAbiCodePath != null && changedAbiCodePath.size() > 0) { 2925 for (int i = changedAbiCodePath.size() - 1; i >= 0; --i) { 2926 final String codePathString = changedAbiCodePath.get(i); 2927 try { 2928 mInstaller.rmdex(codePathString, 2929 getDexCodeInstructionSet(getPreferredInstructionSet())); 2930 } catch (InstallerException ignored) { 2931 } 2932 } 2933 } 2934 } 2935 2936 // Now that we know all the packages we are keeping, 2937 // read and update their last usage times. 2938 mPackageUsage.read(mPackages); 2939 mCompilerStats.read(); 2940 2941 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2942 SystemClock.uptimeMillis()); 2943 Slog.i(TAG, "Time to scan packages: " 2944 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2945 + " seconds"); 2946 2947 // If the platform SDK has changed since the last time we booted, 2948 // we need to re-grant app permission to catch any new ones that 2949 // appear. This is really a hack, and means that apps can in some 2950 // cases get permissions that the user didn't initially explicitly 2951 // allow... it would be nice to have some better way to handle 2952 // this situation. 2953 final boolean sdkUpdated = (ver.sdkVersion != mSdkVersion); 2954 if (sdkUpdated) { 2955 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2956 + mSdkVersion + "; regranting permissions for internal storage"); 2957 } 2958 mPermissionManager.updateAllPermissions( 2959 StorageManager.UUID_PRIVATE_INTERNAL, sdkUpdated, mPackages.values(), 2960 mPermissionCallback); 2961 ver.sdkVersion = mSdkVersion; 2962 2963 // If this is the first boot or an update from pre-M, and it is a normal 2964 // boot, then we need to initialize the default preferred apps across 2965 // all defined users. 2966 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2967 for (UserInfo user : sUserManager.getUsers(true)) { 2968 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2969 applyFactoryDefaultBrowserLPw(user.id); 2970 primeDomainVerificationsLPw(user.id); 2971 } 2972 } 2973 2974 // Prepare storage for system user really early during boot, 2975 // since core system apps like SettingsProvider and SystemUI 2976 // can't wait for user to start 2977 final int storageFlags; 2978 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2979 storageFlags = StorageManager.FLAG_STORAGE_DE; 2980 } else { 2981 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2982 } 2983 List<String> deferPackages = reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, 2984 UserHandle.USER_SYSTEM, storageFlags, true /* migrateAppData */, 2985 true /* onlyCoreApps */); 2986 mPrepareAppDataFuture = SystemServerInitThreadPool.get().submit(() -> { 2987 TimingsTraceLog traceLog = new TimingsTraceLog("SystemServerTimingAsync", 2988 Trace.TRACE_TAG_PACKAGE_MANAGER); 2989 traceLog.traceBegin("AppDataFixup"); 2990 try { 2991 mInstaller.fixupAppData(StorageManager.UUID_PRIVATE_INTERNAL, 2992 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 2993 } catch (InstallerException e) { 2994 Slog.w(TAG, "Trouble fixing GIDs", e); 2995 } 2996 traceLog.traceEnd(); 2997 2998 traceLog.traceBegin("AppDataPrepare"); 2999 if (deferPackages == null || deferPackages.isEmpty()) { 3000 return; 3001 } 3002 int count = 0; 3003 for (String pkgName : deferPackages) { 3004 PackageParser.Package pkg = null; 3005 synchronized (mPackages) { 3006 PackageSetting ps = mSettings.getPackageLPr(pkgName); 3007 if (ps != null && ps.getInstalled(UserHandle.USER_SYSTEM)) { 3008 pkg = ps.pkg; 3009 } 3010 } 3011 if (pkg != null) { 3012 synchronized (mInstallLock) { 3013 prepareAppDataAndMigrateLIF(pkg, UserHandle.USER_SYSTEM, storageFlags, 3014 true /* maybeMigrateAppData */); 3015 } 3016 count++; 3017 } 3018 } 3019 traceLog.traceEnd(); 3020 Slog.i(TAG, "Deferred reconcileAppsData finished " + count + " packages"); 3021 }, "prepareAppData"); 3022 3023 // If this is first boot after an OTA, and a normal boot, then 3024 // we need to clear code cache directories. 3025 // Note that we do *not* clear the application profiles. These remain valid 3026 // across OTAs and are used to drive profile verification (post OTA) and 3027 // profile compilation (without waiting to collect a fresh set of profiles). 3028 if (mIsUpgrade && !onlyCore) { 3029 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 3030 for (int i = 0; i < mSettings.mPackages.size(); i++) { 3031 final PackageSetting ps = mSettings.mPackages.valueAt(i); 3032 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 3033 // No apps are running this early, so no need to freeze 3034 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 3035 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 3036 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 3037 } 3038 } 3039 ver.fingerprint = Build.FINGERPRINT; 3040 } 3041 3042 checkDefaultBrowser(); 3043 3044 // clear only after permissions and other defaults have been updated 3045 mExistingSystemPackages.clear(); 3046 mPromoteSystemApps = false; 3047 3048 // All the changes are done during package scanning. 3049 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 3050 3051 // can downgrade to reader 3052 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "write settings"); 3053 mSettings.writeLPr(); 3054 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 3055 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 3056 SystemClock.uptimeMillis()); 3057 3058 if (!mOnlyCore) { 3059 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 3060 mRequiredInstallerPackage = getRequiredInstallerLPr(); 3061 mRequiredUninstallerPackage = getRequiredUninstallerLPr(); 3062 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 3063 if (mIntentFilterVerifierComponent != null) { 3064 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 3065 mIntentFilterVerifierComponent); 3066 } else { 3067 mIntentFilterVerifier = null; 3068 } 3069 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 3070 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES, 3071 SharedLibraryInfo.VERSION_UNDEFINED); 3072 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 3073 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED, 3074 SharedLibraryInfo.VERSION_UNDEFINED); 3075 } else { 3076 mRequiredVerifierPackage = null; 3077 mRequiredInstallerPackage = null; 3078 mRequiredUninstallerPackage = null; 3079 mIntentFilterVerifierComponent = null; 3080 mIntentFilterVerifier = null; 3081 mServicesSystemSharedLibraryPackageName = null; 3082 mSharedSystemSharedLibraryPackageName = null; 3083 } 3084 3085 mInstallerService = new PackageInstallerService(context, this); 3086 mArtManagerService = new ArtManagerService(this, mInstaller, mInstallLock); 3087 final Pair<ComponentName, String> instantAppResolverComponent = 3088 getInstantAppResolverLPr(); 3089 if (instantAppResolverComponent != null) { 3090 if (DEBUG_EPHEMERAL) { 3091 Slog.d(TAG, "Set ephemeral resolver: " + instantAppResolverComponent); 3092 } 3093 mInstantAppResolverConnection = new EphemeralResolverConnection( 3094 mContext, instantAppResolverComponent.first, 3095 instantAppResolverComponent.second); 3096 mInstantAppResolverSettingsComponent = 3097 getInstantAppResolverSettingsLPr(instantAppResolverComponent.first); 3098 } else { 3099 mInstantAppResolverConnection = null; 3100 mInstantAppResolverSettingsComponent = null; 3101 } 3102 updateInstantAppInstallerLocked(null); 3103 3104 // Read and update the usage of dex files. 3105 // Do this at the end of PM init so that all the packages have their 3106 // data directory reconciled. 3107 // At this point we know the code paths of the packages, so we can validate 3108 // the disk file and build the internal cache. 3109 // The usage file is expected to be small so loading and verifying it 3110 // should take a fairly small time compare to the other activities (e.g. package 3111 // scanning). 3112 final Map<Integer, List<PackageInfo>> userPackages = new HashMap<>(); 3113 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 3114 for (int userId : currentUserIds) { 3115 userPackages.put(userId, getInstalledPackages(/*flags*/ 0, userId).getList()); 3116 } 3117 mDexManager.load(userPackages); 3118 if (mIsUpgrade) { 3119 MetricsLogger.histogram(null, "ota_package_manager_init_time", 3120 (int) (SystemClock.uptimeMillis() - startTime)); 3121 } 3122 } // synchronized (mPackages) 3123 } // synchronized (mInstallLock) 3124 3125 // Now after opening every single application zip, make sure they 3126 // are all flushed. Not really needed, but keeps things nice and 3127 // tidy. 3128 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "GC"); 3129 Runtime.getRuntime().gc(); 3130 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 3131 3132 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "loadFallbacks"); 3133 FallbackCategoryProvider.loadFallbacks(); 3134 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 3135 3136 // The initial scanning above does many calls into installd while 3137 // holding the mPackages lock, but we're mostly interested in yelling 3138 // once we have a booted system. 3139 mInstaller.setWarnIfHeld(mPackages); 3140 3141 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 3142 } 3143 3144 /** 3145 * Uncompress and install stub applications. 3146 * <p>In order to save space on the system partition, some applications are shipped in a 3147 * compressed form. In addition the compressed bits for the full application, the 3148 * system image contains a tiny stub comprised of only the Android manifest. 3149 * <p>During the first boot, attempt to uncompress and install the full application. If 3150 * the application can't be installed for any reason, disable the stub and prevent 3151 * uncompressing the full application during future boots. 3152 * <p>In order to forcefully attempt an installation of a full application, go to app 3153 * settings and enable the application. 3154 */ 3155 private void decompressSystemApplications(@NonNull List<String> stubSystemApps, int scanFlags) { 3156 for (int i = stubSystemApps.size() - 1; i >= 0; --i) { 3157 final String pkgName = stubSystemApps.get(i); 3158 // skip if the system package is already disabled 3159 if (mSettings.isDisabledSystemPackageLPr(pkgName)) { 3160 stubSystemApps.remove(i); 3161 continue; 3162 } 3163 // skip if the package isn't installed (?!); this should never happen 3164 final PackageParser.Package pkg = mPackages.get(pkgName); 3165 if (pkg == null) { 3166 stubSystemApps.remove(i); 3167 continue; 3168 } 3169 // skip if the package has been disabled by the user 3170 final PackageSetting ps = mSettings.mPackages.get(pkgName); 3171 if (ps != null) { 3172 final int enabledState = ps.getEnabled(UserHandle.USER_SYSTEM); 3173 if (enabledState == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER) { 3174 stubSystemApps.remove(i); 3175 continue; 3176 } 3177 } 3178 3179 if (DEBUG_COMPRESSION) { 3180 Slog.i(TAG, "Uncompressing system stub; pkg: " + pkgName); 3181 } 3182 3183 // uncompress the binary to its eventual destination on /data 3184 final File scanFile = decompressPackage(pkg); 3185 if (scanFile == null) { 3186 continue; 3187 } 3188 3189 // install the package to replace the stub on /system 3190 try { 3191 mSettings.disableSystemPackageLPw(pkgName, true /*replaced*/); 3192 removePackageLI(pkg, true /*chatty*/); 3193 scanPackageTracedLI(scanFile, 0 /*reparseFlags*/, scanFlags, 0, null); 3194 ps.setEnabled(PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 3195 UserHandle.USER_SYSTEM, "android"); 3196 stubSystemApps.remove(i); 3197 continue; 3198 } catch (PackageManagerException e) { 3199 Slog.e(TAG, "Failed to parse uncompressed system package: " + e.getMessage()); 3200 } 3201 3202 // any failed attempt to install the package will be cleaned up later 3203 } 3204 3205 // disable any stub still left; these failed to install the full application 3206 for (int i = stubSystemApps.size() - 1; i >= 0; --i) { 3207 final String pkgName = stubSystemApps.get(i); 3208 final PackageSetting ps = mSettings.mPackages.get(pkgName); 3209 ps.setEnabled(PackageManager.COMPONENT_ENABLED_STATE_DISABLED, 3210 UserHandle.USER_SYSTEM, "android"); 3211 logCriticalInfo(Log.ERROR, "Stub disabled; pkg: " + pkgName); 3212 } 3213 } 3214 3215 /** 3216 * Decompresses the given package on the system image onto 3217 * the /data partition. 3218 * @return The directory the package was decompressed into. Otherwise, {@code null}. 3219 */ 3220 private File decompressPackage(PackageParser.Package pkg) { 3221 final File[] compressedFiles = getCompressedFiles(pkg.codePath); 3222 if (compressedFiles == null || compressedFiles.length == 0) { 3223 if (DEBUG_COMPRESSION) { 3224 Slog.i(TAG, "No files to decompress: " + pkg.baseCodePath); 3225 } 3226 return null; 3227 } 3228 final File dstCodePath = 3229 getNextCodePath(Environment.getDataAppDirectory(null), pkg.packageName); 3230 int ret = PackageManager.INSTALL_SUCCEEDED; 3231 try { 3232 Os.mkdir(dstCodePath.getAbsolutePath(), 0755); 3233 Os.chmod(dstCodePath.getAbsolutePath(), 0755); 3234 for (File srcFile : compressedFiles) { 3235 final String srcFileName = srcFile.getName(); 3236 final String dstFileName = srcFileName.substring( 3237 0, srcFileName.length() - COMPRESSED_EXTENSION.length()); 3238 final File dstFile = new File(dstCodePath, dstFileName); 3239 ret = decompressFile(srcFile, dstFile); 3240 if (ret != PackageManager.INSTALL_SUCCEEDED) { 3241 logCriticalInfo(Log.ERROR, "Failed to decompress" 3242 + "; pkg: " + pkg.packageName 3243 + ", file: " + dstFileName); 3244 break; 3245 } 3246 } 3247 } catch (ErrnoException e) { 3248 logCriticalInfo(Log.ERROR, "Failed to decompress" 3249 + "; pkg: " + pkg.packageName 3250 + ", err: " + e.errno); 3251 } 3252 if (ret == PackageManager.INSTALL_SUCCEEDED) { 3253 final File libraryRoot = new File(dstCodePath, LIB_DIR_NAME); 3254 NativeLibraryHelper.Handle handle = null; 3255 try { 3256 handle = NativeLibraryHelper.Handle.create(dstCodePath); 3257 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 3258 null /*abiOverride*/); 3259 } catch (IOException e) { 3260 logCriticalInfo(Log.ERROR, "Failed to extract native libraries" 3261 + "; pkg: " + pkg.packageName); 3262 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 3263 } finally { 3264 IoUtils.closeQuietly(handle); 3265 } 3266 } 3267 if (ret != PackageManager.INSTALL_SUCCEEDED) { 3268 if (dstCodePath == null || !dstCodePath.exists()) { 3269 return null; 3270 } 3271 removeCodePathLI(dstCodePath); 3272 return null; 3273 } 3274 3275 return dstCodePath; 3276 } 3277 3278 private void updateInstantAppInstallerLocked(String modifiedPackage) { 3279 // we're only interested in updating the installer appliction when 1) it's not 3280 // already set or 2) the modified package is the installer 3281 if (mInstantAppInstallerActivity != null 3282 && !mInstantAppInstallerActivity.getComponentName().getPackageName() 3283 .equals(modifiedPackage)) { 3284 return; 3285 } 3286 setUpInstantAppInstallerActivityLP(getInstantAppInstallerLPr()); 3287 } 3288 3289 private static File preparePackageParserCache(boolean isUpgrade) { 3290 if (!DEFAULT_PACKAGE_PARSER_CACHE_ENABLED) { 3291 return null; 3292 } 3293 3294 // Disable package parsing on eng builds to allow for faster incremental development. 3295 if (Build.IS_ENG) { 3296 return null; 3297 } 3298 3299 if (SystemProperties.getBoolean("pm.boot.disable_package_cache", false)) { 3300 Slog.i(TAG, "Disabling package parser cache due to system property."); 3301 return null; 3302 } 3303 3304 // The base directory for the package parser cache lives under /data/system/. 3305 final File cacheBaseDir = FileUtils.createDir(Environment.getDataSystemDirectory(), 3306 "package_cache"); 3307 if (cacheBaseDir == null) { 3308 return null; 3309 } 3310 3311 // If this is a system upgrade scenario, delete the contents of the package cache dir. 3312 // This also serves to "GC" unused entries when the package cache version changes (which 3313 // can only happen during upgrades). 3314 if (isUpgrade) { 3315 FileUtils.deleteContents(cacheBaseDir); 3316 } 3317 3318 3319 // Return the versioned package cache directory. This is something like 3320 // "/data/system/package_cache/1" 3321 File cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 3322 3323 // The following is a workaround to aid development on non-numbered userdebug 3324 // builds or cases where "adb sync" is used on userdebug builds. If we detect that 3325 // the system partition is newer. 3326 // 3327 // NOTE: When no BUILD_NUMBER is set by the build system, it defaults to a build 3328 // that starts with "eng." to signify that this is an engineering build and not 3329 // destined for release. 3330 if (Build.IS_USERDEBUG && Build.VERSION.INCREMENTAL.startsWith("eng.")) { 3331 Slog.w(TAG, "Wiping cache directory because the system partition changed."); 3332 3333 // Heuristic: If the /system directory has been modified recently due to an "adb sync" 3334 // or a regular make, then blow away the cache. Note that mtimes are *NOT* reliable 3335 // in general and should not be used for production changes. In this specific case, 3336 // we know that they will work. 3337 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 3338 if (cacheDir.lastModified() < frameworkDir.lastModified()) { 3339 FileUtils.deleteContents(cacheBaseDir); 3340 cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 3341 } 3342 } 3343 3344 return cacheDir; 3345 } 3346 3347 @Override 3348 public boolean isFirstBoot() { 3349 // allow instant applications 3350 return mFirstBoot; 3351 } 3352 3353 @Override 3354 public boolean isOnlyCoreApps() { 3355 // allow instant applications 3356 return mOnlyCore; 3357 } 3358 3359 @Override 3360 public boolean isUpgrade() { 3361 // allow instant applications 3362 // The system property allows testing ota flow when upgraded to the same image. 3363 return mIsUpgrade || SystemProperties.getBoolean( 3364 "persist.pm.mock-upgrade", false /* default */); 3365 } 3366 3367 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 3368 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 3369 3370 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 3371 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3372 UserHandle.USER_SYSTEM, false /*allowDynamicSplits*/); 3373 if (matches.size() == 1) { 3374 return matches.get(0).getComponentInfo().packageName; 3375 } else if (matches.size() == 0) { 3376 Log.e(TAG, "There should probably be a verifier, but, none were found"); 3377 return null; 3378 } 3379 throw new RuntimeException("There must be exactly one verifier; found " + matches); 3380 } 3381 3382 private @NonNull String getRequiredSharedLibraryLPr(String name, int version) { 3383 synchronized (mPackages) { 3384 SharedLibraryEntry libraryEntry = getSharedLibraryEntryLPr(name, version); 3385 if (libraryEntry == null) { 3386 throw new IllegalStateException("Missing required shared library:" + name); 3387 } 3388 return libraryEntry.apk; 3389 } 3390 } 3391 3392 private @NonNull String getRequiredInstallerLPr() { 3393 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 3394 intent.addCategory(Intent.CATEGORY_DEFAULT); 3395 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3396 3397 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3398 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3399 UserHandle.USER_SYSTEM); 3400 if (matches.size() == 1) { 3401 ResolveInfo resolveInfo = matches.get(0); 3402 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 3403 throw new RuntimeException("The installer must be a privileged app"); 3404 } 3405 return matches.get(0).getComponentInfo().packageName; 3406 } else { 3407 throw new RuntimeException("There must be exactly one installer; found " + matches); 3408 } 3409 } 3410 3411 private @NonNull String getRequiredUninstallerLPr() { 3412 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 3413 intent.addCategory(Intent.CATEGORY_DEFAULT); 3414 intent.setData(Uri.fromParts(PACKAGE_SCHEME, "foo.bar", null)); 3415 3416 final ResolveInfo resolveInfo = resolveIntent(intent, null, 3417 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3418 UserHandle.USER_SYSTEM); 3419 if (resolveInfo == null || 3420 mResolveActivity.name.equals(resolveInfo.getComponentInfo().name)) { 3421 throw new RuntimeException("There must be exactly one uninstaller; found " 3422 + resolveInfo); 3423 } 3424 return resolveInfo.getComponentInfo().packageName; 3425 } 3426 3427 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 3428 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 3429 3430 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 3431 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3432 UserHandle.USER_SYSTEM, false /*allowDynamicSplits*/); 3433 ResolveInfo best = null; 3434 final int N = matches.size(); 3435 for (int i = 0; i < N; i++) { 3436 final ResolveInfo cur = matches.get(i); 3437 final String packageName = cur.getComponentInfo().packageName; 3438 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 3439 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 3440 continue; 3441 } 3442 3443 if (best == null || cur.priority > best.priority) { 3444 best = cur; 3445 } 3446 } 3447 3448 if (best != null) { 3449 return best.getComponentInfo().getComponentName(); 3450 } 3451 Slog.w(TAG, "Intent filter verifier not found"); 3452 return null; 3453 } 3454 3455 @Override 3456 public @Nullable ComponentName getInstantAppResolverComponent() { 3457 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 3458 return null; 3459 } 3460 synchronized (mPackages) { 3461 final Pair<ComponentName, String> instantAppResolver = getInstantAppResolverLPr(); 3462 if (instantAppResolver == null) { 3463 return null; 3464 } 3465 return instantAppResolver.first; 3466 } 3467 } 3468 3469 private @Nullable Pair<ComponentName, String> getInstantAppResolverLPr() { 3470 final String[] packageArray = 3471 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 3472 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 3473 if (DEBUG_EPHEMERAL) { 3474 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 3475 } 3476 return null; 3477 } 3478 3479 final int callingUid = Binder.getCallingUid(); 3480 final int resolveFlags = 3481 MATCH_DIRECT_BOOT_AWARE 3482 | MATCH_DIRECT_BOOT_UNAWARE 3483 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3484 String actionName = Intent.ACTION_RESOLVE_INSTANT_APP_PACKAGE; 3485 final Intent resolverIntent = new Intent(actionName); 3486 List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 3487 resolveFlags, UserHandle.USER_SYSTEM, callingUid, false /*includeInstantApps*/); 3488 // temporarily look for the old action 3489 if (resolvers.size() == 0) { 3490 if (DEBUG_EPHEMERAL) { 3491 Slog.d(TAG, "Ephemeral resolver not found with new action; try old one"); 3492 } 3493 actionName = Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE; 3494 resolverIntent.setAction(actionName); 3495 resolvers = queryIntentServicesInternal(resolverIntent, null, 3496 resolveFlags, UserHandle.USER_SYSTEM, callingUid, false /*includeInstantApps*/); 3497 } 3498 final int N = resolvers.size(); 3499 if (N == 0) { 3500 if (DEBUG_EPHEMERAL) { 3501 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 3502 } 3503 return null; 3504 } 3505 3506 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 3507 for (int i = 0; i < N; i++) { 3508 final ResolveInfo info = resolvers.get(i); 3509 3510 if (info.serviceInfo == null) { 3511 continue; 3512 } 3513 3514 final String packageName = info.serviceInfo.packageName; 3515 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 3516 if (DEBUG_EPHEMERAL) { 3517 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 3518 + " pkg: " + packageName + ", info:" + info); 3519 } 3520 continue; 3521 } 3522 3523 if (DEBUG_EPHEMERAL) { 3524 Slog.v(TAG, "Ephemeral resolver found;" 3525 + " pkg: " + packageName + ", info:" + info); 3526 } 3527 return new Pair<>(new ComponentName(packageName, info.serviceInfo.name), actionName); 3528 } 3529 if (DEBUG_EPHEMERAL) { 3530 Slog.v(TAG, "Ephemeral resolver NOT found"); 3531 } 3532 return null; 3533 } 3534 3535 private @Nullable ActivityInfo getInstantAppInstallerLPr() { 3536 final Intent intent = new Intent(Intent.ACTION_INSTALL_INSTANT_APP_PACKAGE); 3537 intent.addCategory(Intent.CATEGORY_DEFAULT); 3538 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3539 3540 final int resolveFlags = 3541 MATCH_DIRECT_BOOT_AWARE 3542 | MATCH_DIRECT_BOOT_UNAWARE 3543 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3544 List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3545 resolveFlags, UserHandle.USER_SYSTEM); 3546 // temporarily look for the old action 3547 if (matches.isEmpty()) { 3548 if (DEBUG_EPHEMERAL) { 3549 Slog.d(TAG, "Ephemeral installer not found with new action; try old one"); 3550 } 3551 intent.setAction(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 3552 matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3553 resolveFlags, UserHandle.USER_SYSTEM); 3554 } 3555 Iterator<ResolveInfo> iter = matches.iterator(); 3556 while (iter.hasNext()) { 3557 final ResolveInfo rInfo = iter.next(); 3558 final PackageSetting ps = mSettings.mPackages.get(rInfo.activityInfo.packageName); 3559 if (ps != null) { 3560 final PermissionsState permissionsState = ps.getPermissionsState(); 3561 if (permissionsState.hasPermission(Manifest.permission.INSTALL_PACKAGES, 0)) { 3562 continue; 3563 } 3564 } 3565 iter.remove(); 3566 } 3567 if (matches.size() == 0) { 3568 return null; 3569 } else if (matches.size() == 1) { 3570 return (ActivityInfo) matches.get(0).getComponentInfo(); 3571 } else { 3572 throw new RuntimeException( 3573 "There must be at most one ephemeral installer; found " + matches); 3574 } 3575 } 3576 3577 private @Nullable ComponentName getInstantAppResolverSettingsLPr( 3578 @NonNull ComponentName resolver) { 3579 final Intent intent = new Intent(Intent.ACTION_INSTANT_APP_RESOLVER_SETTINGS) 3580 .addCategory(Intent.CATEGORY_DEFAULT) 3581 .setPackage(resolver.getPackageName()); 3582 final int resolveFlags = MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3583 List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, resolveFlags, 3584 UserHandle.USER_SYSTEM); 3585 // temporarily look for the old action 3586 if (matches.isEmpty()) { 3587 if (DEBUG_EPHEMERAL) { 3588 Slog.d(TAG, "Ephemeral resolver settings not found with new action; try old one"); 3589 } 3590 intent.setAction(Intent.ACTION_EPHEMERAL_RESOLVER_SETTINGS); 3591 matches = queryIntentActivitiesInternal(intent, null, resolveFlags, 3592 UserHandle.USER_SYSTEM); 3593 } 3594 if (matches.isEmpty()) { 3595 return null; 3596 } 3597 return matches.get(0).getComponentInfo().getComponentName(); 3598 } 3599 3600 private void primeDomainVerificationsLPw(int userId) { 3601 if (DEBUG_DOMAIN_VERIFICATION) { 3602 Slog.d(TAG, "Priming domain verifications in user " + userId); 3603 } 3604 3605 SystemConfig systemConfig = SystemConfig.getInstance(); 3606 ArraySet<String> packages = systemConfig.getLinkedApps(); 3607 3608 for (String packageName : packages) { 3609 PackageParser.Package pkg = mPackages.get(packageName); 3610 if (pkg != null) { 3611 if (!pkg.isSystem()) { 3612 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 3613 continue; 3614 } 3615 3616 ArraySet<String> domains = null; 3617 for (PackageParser.Activity a : pkg.activities) { 3618 for (ActivityIntentInfo filter : a.intents) { 3619 if (hasValidDomains(filter)) { 3620 if (domains == null) { 3621 domains = new ArraySet<String>(); 3622 } 3623 domains.addAll(filter.getHostsList()); 3624 } 3625 } 3626 } 3627 3628 if (domains != null && domains.size() > 0) { 3629 if (DEBUG_DOMAIN_VERIFICATION) { 3630 Slog.v(TAG, " + " + packageName); 3631 } 3632 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 3633 // state w.r.t. the formal app-linkage "no verification attempted" state; 3634 // and then 'always' in the per-user state actually used for intent resolution. 3635 final IntentFilterVerificationInfo ivi; 3636 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, domains); 3637 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 3638 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 3639 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 3640 } else { 3641 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 3642 + "' does not handle web links"); 3643 } 3644 } else { 3645 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 3646 } 3647 } 3648 3649 scheduleWritePackageRestrictionsLocked(userId); 3650 scheduleWriteSettingsLocked(); 3651 } 3652 3653 private void applyFactoryDefaultBrowserLPw(int userId) { 3654 // The default browser app's package name is stored in a string resource, 3655 // with a product-specific overlay used for vendor customization. 3656 String browserPkg = mContext.getResources().getString( 3657 com.android.internal.R.string.default_browser); 3658 if (!TextUtils.isEmpty(browserPkg)) { 3659 // non-empty string => required to be a known package 3660 PackageSetting ps = mSettings.mPackages.get(browserPkg); 3661 if (ps == null) { 3662 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 3663 browserPkg = null; 3664 } else { 3665 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3666 } 3667 } 3668 3669 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3670 // default. If there's more than one, just leave everything alone. 3671 if (browserPkg == null) { 3672 calculateDefaultBrowserLPw(userId); 3673 } 3674 } 3675 3676 private void calculateDefaultBrowserLPw(int userId) { 3677 List<String> allBrowsers = resolveAllBrowserApps(userId); 3678 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3679 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3680 } 3681 3682 private List<String> resolveAllBrowserApps(int userId) { 3683 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3684 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3685 PackageManager.MATCH_ALL, userId); 3686 3687 final int count = list.size(); 3688 List<String> result = new ArrayList<String>(count); 3689 for (int i=0; i<count; i++) { 3690 ResolveInfo info = list.get(i); 3691 if (info.activityInfo == null 3692 || !info.handleAllWebDataURI 3693 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3694 || result.contains(info.activityInfo.packageName)) { 3695 continue; 3696 } 3697 result.add(info.activityInfo.packageName); 3698 } 3699 3700 return result; 3701 } 3702 3703 private boolean packageIsBrowser(String packageName, int userId) { 3704 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3705 PackageManager.MATCH_ALL, userId); 3706 final int N = list.size(); 3707 for (int i = 0; i < N; i++) { 3708 ResolveInfo info = list.get(i); 3709 if (info.priority >= 0 && packageName.equals(info.activityInfo.packageName)) { 3710 return true; 3711 } 3712 } 3713 return false; 3714 } 3715 3716 private void checkDefaultBrowser() { 3717 final int myUserId = UserHandle.myUserId(); 3718 final String packageName = getDefaultBrowserPackageName(myUserId); 3719 if (packageName != null) { 3720 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3721 if (info == null) { 3722 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3723 synchronized (mPackages) { 3724 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3725 } 3726 } 3727 } 3728 } 3729 3730 @Override 3731 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3732 throws RemoteException { 3733 try { 3734 return super.onTransact(code, data, reply, flags); 3735 } catch (RuntimeException e) { 3736 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3737 Slog.wtf(TAG, "Package Manager Crash", e); 3738 } 3739 throw e; 3740 } 3741 } 3742 3743 static int[] appendInts(int[] cur, int[] add) { 3744 if (add == null) return cur; 3745 if (cur == null) return add; 3746 final int N = add.length; 3747 for (int i=0; i<N; i++) { 3748 cur = appendInt(cur, add[i]); 3749 } 3750 return cur; 3751 } 3752 3753 /** 3754 * Returns whether or not a full application can see an instant application. 3755 * <p> 3756 * Currently, there are three cases in which this can occur: 3757 * <ol> 3758 * <li>The calling application is a "special" process. Special processes 3759 * are those with a UID < {@link Process#FIRST_APPLICATION_UID}.</li> 3760 * <li>The calling application has the permission 3761 * {@link android.Manifest.permission#ACCESS_INSTANT_APPS}.</li> 3762 * <li>The calling application is the default launcher on the 3763 * system partition.</li> 3764 * </ol> 3765 */ 3766 private boolean canViewInstantApps(int callingUid, int userId) { 3767 if (callingUid < Process.FIRST_APPLICATION_UID) { 3768 return true; 3769 } 3770 if (mContext.checkCallingOrSelfPermission( 3771 android.Manifest.permission.ACCESS_INSTANT_APPS) == PERMISSION_GRANTED) { 3772 return true; 3773 } 3774 if (mContext.checkCallingOrSelfPermission( 3775 android.Manifest.permission.VIEW_INSTANT_APPS) == PERMISSION_GRANTED) { 3776 final ComponentName homeComponent = getDefaultHomeActivity(userId); 3777 if (homeComponent != null 3778 && isCallerSameApp(homeComponent.getPackageName(), callingUid)) { 3779 return true; 3780 } 3781 } 3782 return false; 3783 } 3784 3785 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3786 if (!sUserManager.exists(userId)) return null; 3787 if (ps == null) { 3788 return null; 3789 } 3790 PackageParser.Package p = ps.pkg; 3791 if (p == null) { 3792 return null; 3793 } 3794 final int callingUid = Binder.getCallingUid(); 3795 // Filter out ephemeral app metadata: 3796 // * The system/shell/root can see metadata for any app 3797 // * An installed app can see metadata for 1) other installed apps 3798 // and 2) ephemeral apps that have explicitly interacted with it 3799 // * Ephemeral apps can only see their own data and exposed installed apps 3800 // * Holding a signature permission allows seeing instant apps 3801 if (filterAppAccessLPr(ps, callingUid, userId)) { 3802 return null; 3803 } 3804 3805 final PermissionsState permissionsState = ps.getPermissionsState(); 3806 3807 // Compute GIDs only if requested 3808 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3809 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3810 // Compute granted permissions only if package has requested permissions 3811 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3812 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3813 final PackageUserState state = ps.readUserState(userId); 3814 3815 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0 3816 && ps.isSystem()) { 3817 flags |= MATCH_ANY_USER; 3818 } 3819 3820 PackageInfo packageInfo = PackageParser.generatePackageInfo(p, gids, flags, 3821 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3822 3823 if (packageInfo == null) { 3824 return null; 3825 } 3826 3827 packageInfo.packageName = packageInfo.applicationInfo.packageName = 3828 resolveExternalPackageNameLPr(p); 3829 3830 return packageInfo; 3831 } 3832 3833 @Override 3834 public void checkPackageStartable(String packageName, int userId) { 3835 final int callingUid = Binder.getCallingUid(); 3836 if (getInstantAppPackageName(callingUid) != null) { 3837 throw new SecurityException("Instant applications don't have access to this method"); 3838 } 3839 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3840 synchronized (mPackages) { 3841 final PackageSetting ps = mSettings.mPackages.get(packageName); 3842 if (ps == null || filterAppAccessLPr(ps, callingUid, userId)) { 3843 throw new SecurityException("Package " + packageName + " was not found!"); 3844 } 3845 3846 if (!ps.getInstalled(userId)) { 3847 throw new SecurityException( 3848 "Package " + packageName + " was not installed for user " + userId + "!"); 3849 } 3850 3851 if (mSafeMode && !ps.isSystem()) { 3852 throw new SecurityException("Package " + packageName + " not a system app!"); 3853 } 3854 3855 if (mFrozenPackages.contains(packageName)) { 3856 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3857 } 3858 3859 if (!userKeyUnlocked && !ps.pkg.applicationInfo.isEncryptionAware()) { 3860 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3861 } 3862 } 3863 } 3864 3865 @Override 3866 public boolean isPackageAvailable(String packageName, int userId) { 3867 if (!sUserManager.exists(userId)) return false; 3868 final int callingUid = Binder.getCallingUid(); 3869 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 3870 false /*requireFullPermission*/, false /*checkShell*/, "is package available"); 3871 synchronized (mPackages) { 3872 PackageParser.Package p = mPackages.get(packageName); 3873 if (p != null) { 3874 final PackageSetting ps = (PackageSetting) p.mExtras; 3875 if (filterAppAccessLPr(ps, callingUid, userId)) { 3876 return false; 3877 } 3878 if (ps != null) { 3879 final PackageUserState state = ps.readUserState(userId); 3880 if (state != null) { 3881 return PackageParser.isAvailable(state); 3882 } 3883 } 3884 } 3885 } 3886 return false; 3887 } 3888 3889 @Override 3890 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3891 return getPackageInfoInternal(packageName, PackageManager.VERSION_CODE_HIGHEST, 3892 flags, Binder.getCallingUid(), userId); 3893 } 3894 3895 @Override 3896 public PackageInfo getPackageInfoVersioned(VersionedPackage versionedPackage, 3897 int flags, int userId) { 3898 return getPackageInfoInternal(versionedPackage.getPackageName(), 3899 versionedPackage.getLongVersionCode(), flags, Binder.getCallingUid(), userId); 3900 } 3901 3902 /** 3903 * Important: The provided filterCallingUid is used exclusively to filter out packages 3904 * that can be seen based on user state. It's typically the original caller uid prior 3905 * to clearing. Because it can only be provided by trusted code, it's value can be 3906 * trusted and will be used as-is; unlike userId which will be validated by this method. 3907 */ 3908 private PackageInfo getPackageInfoInternal(String packageName, long versionCode, 3909 int flags, int filterCallingUid, int userId) { 3910 if (!sUserManager.exists(userId)) return null; 3911 flags = updateFlagsForPackage(flags, userId, packageName); 3912 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 3913 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3914 3915 // reader 3916 synchronized (mPackages) { 3917 // Normalize package name to handle renamed packages and static libs 3918 packageName = resolveInternalPackageNameLPr(packageName, versionCode); 3919 3920 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3921 if (matchFactoryOnly) { 3922 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3923 if (ps != null) { 3924 if (filterSharedLibPackageLPr(ps, filterCallingUid, userId, flags)) { 3925 return null; 3926 } 3927 if (filterAppAccessLPr(ps, filterCallingUid, userId)) { 3928 return null; 3929 } 3930 return generatePackageInfo(ps, flags, userId); 3931 } 3932 } 3933 3934 PackageParser.Package p = mPackages.get(packageName); 3935 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3936 return null; 3937 } 3938 if (DEBUG_PACKAGE_INFO) 3939 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3940 if (p != null) { 3941 final PackageSetting ps = (PackageSetting) p.mExtras; 3942 if (filterSharedLibPackageLPr(ps, filterCallingUid, userId, flags)) { 3943 return null; 3944 } 3945 if (ps != null && filterAppAccessLPr(ps, filterCallingUid, userId)) { 3946 return null; 3947 } 3948 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3949 } 3950 if (!matchFactoryOnly && (flags & MATCH_KNOWN_PACKAGES) != 0) { 3951 final PackageSetting ps = mSettings.mPackages.get(packageName); 3952 if (ps == null) return null; 3953 if (filterSharedLibPackageLPr(ps, filterCallingUid, userId, flags)) { 3954 return null; 3955 } 3956 if (filterAppAccessLPr(ps, filterCallingUid, userId)) { 3957 return null; 3958 } 3959 return generatePackageInfo(ps, flags, userId); 3960 } 3961 } 3962 return null; 3963 } 3964 3965 private boolean isComponentVisibleToInstantApp(@Nullable ComponentName component) { 3966 if (isComponentVisibleToInstantApp(component, TYPE_ACTIVITY)) { 3967 return true; 3968 } 3969 if (isComponentVisibleToInstantApp(component, TYPE_SERVICE)) { 3970 return true; 3971 } 3972 if (isComponentVisibleToInstantApp(component, TYPE_PROVIDER)) { 3973 return true; 3974 } 3975 return false; 3976 } 3977 3978 private boolean isComponentVisibleToInstantApp( 3979 @Nullable ComponentName component, @ComponentType int type) { 3980 if (type == TYPE_ACTIVITY) { 3981 final PackageParser.Activity activity = mActivities.mActivities.get(component); 3982 return activity != null 3983 ? (activity.info.flags & ActivityInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0 3984 : false; 3985 } else if (type == TYPE_RECEIVER) { 3986 final PackageParser.Activity activity = mReceivers.mActivities.get(component); 3987 return activity != null 3988 ? (activity.info.flags & ActivityInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0 3989 : false; 3990 } else if (type == TYPE_SERVICE) { 3991 final PackageParser.Service service = mServices.mServices.get(component); 3992 return service != null 3993 ? (service.info.flags & ServiceInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0 3994 : false; 3995 } else if (type == TYPE_PROVIDER) { 3996 final PackageParser.Provider provider = mProviders.mProviders.get(component); 3997 return provider != null 3998 ? (provider.info.flags & ProviderInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0 3999 : false; 4000 } else if (type == TYPE_UNKNOWN) { 4001 return isComponentVisibleToInstantApp(component); 4002 } 4003 return false; 4004 } 4005 4006 /** 4007 * Returns whether or not access to the application should be filtered. 4008 * <p> 4009 * Access may be limited based upon whether the calling or target applications 4010 * are instant applications. 4011 * 4012 * @see #canAccessInstantApps(int) 4013 */ 4014 private boolean filterAppAccessLPr(@Nullable PackageSetting ps, int callingUid, 4015 @Nullable ComponentName component, @ComponentType int componentType, int userId) { 4016 // if we're in an isolated process, get the real calling UID 4017 if (Process.isIsolated(callingUid)) { 4018 callingUid = mIsolatedOwners.get(callingUid); 4019 } 4020 final String instantAppPkgName = getInstantAppPackageName(callingUid); 4021 final boolean callerIsInstantApp = instantAppPkgName != null; 4022 if (ps == null) { 4023 if (callerIsInstantApp) { 4024 // pretend the application exists, but, needs to be filtered 4025 return true; 4026 } 4027 return false; 4028 } 4029 // if the target and caller are the same application, don't filter 4030 if (isCallerSameApp(ps.name, callingUid)) { 4031 return false; 4032 } 4033 if (callerIsInstantApp) { 4034 // request for a specific component; if it hasn't been explicitly exposed, filter 4035 if (component != null) { 4036 return !isComponentVisibleToInstantApp(component, componentType); 4037 } 4038 // request for application; if no components have been explicitly exposed, filter 4039 return ps.getInstantApp(userId) || !ps.pkg.visibleToInstantApps; 4040 } 4041 if (ps.getInstantApp(userId)) { 4042 // caller can see all components of all instant applications, don't filter 4043 if (canViewInstantApps(callingUid, userId)) { 4044 return false; 4045 } 4046 // request for a specific instant application component, filter 4047 if (component != null) { 4048 return true; 4049 } 4050 // request for an instant application; if the caller hasn't been granted access, filter 4051 return !mInstantAppRegistry.isInstantAccessGranted( 4052 userId, UserHandle.getAppId(callingUid), ps.appId); 4053 } 4054 return false; 4055 } 4056 4057 /** 4058 * @see #filterAppAccessLPr(PackageSetting, int, ComponentName, boolean, int) 4059 */ 4060 private boolean filterAppAccessLPr(@Nullable PackageSetting ps, int callingUid, int userId) { 4061 return filterAppAccessLPr(ps, callingUid, null, TYPE_UNKNOWN, userId); 4062 } 4063 4064 private boolean filterSharedLibPackageLPr(@Nullable PackageSetting ps, int uid, int userId, 4065 int flags) { 4066 // Callers can access only the libs they depend on, otherwise they need to explicitly 4067 // ask for the shared libraries given the caller is allowed to access all static libs. 4068 if ((flags & PackageManager.MATCH_STATIC_SHARED_LIBRARIES) != 0) { 4069 // System/shell/root get to see all static libs 4070 final int appId = UserHandle.getAppId(uid); 4071 if (appId == Process.SYSTEM_UID || appId == Process.SHELL_UID 4072 || appId == Process.ROOT_UID) { 4073 return false; 4074 } 4075 } 4076 4077 // No package means no static lib as it is always on internal storage 4078 if (ps == null || ps.pkg == null || !ps.pkg.applicationInfo.isStaticSharedLibrary()) { 4079 return false; 4080 } 4081 4082 final SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(ps.pkg.staticSharedLibName, 4083 ps.pkg.staticSharedLibVersion); 4084 if (libEntry == null) { 4085 return false; 4086 } 4087 4088 final int resolvedUid = UserHandle.getUid(userId, UserHandle.getAppId(uid)); 4089 final String[] uidPackageNames = getPackagesForUid(resolvedUid); 4090 if (uidPackageNames == null) { 4091 return true; 4092 } 4093 4094 for (String uidPackageName : uidPackageNames) { 4095 if (ps.name.equals(uidPackageName)) { 4096 return false; 4097 } 4098 PackageSetting uidPs = mSettings.getPackageLPr(uidPackageName); 4099 if (uidPs != null) { 4100 final int index = ArrayUtils.indexOf(uidPs.usesStaticLibraries, 4101 libEntry.info.getName()); 4102 if (index < 0) { 4103 continue; 4104 } 4105 if (uidPs.pkg.usesStaticLibrariesVersions[index] == libEntry.info.getLongVersion()) { 4106 return false; 4107 } 4108 } 4109 } 4110 return true; 4111 } 4112 4113 @Override 4114 public String[] currentToCanonicalPackageNames(String[] names) { 4115 final int callingUid = Binder.getCallingUid(); 4116 if (getInstantAppPackageName(callingUid) != null) { 4117 return names; 4118 } 4119 final String[] out = new String[names.length]; 4120 // reader 4121 synchronized (mPackages) { 4122 final int callingUserId = UserHandle.getUserId(callingUid); 4123 final boolean canViewInstantApps = canViewInstantApps(callingUid, callingUserId); 4124 for (int i=names.length-1; i>=0; i--) { 4125 final PackageSetting ps = mSettings.mPackages.get(names[i]); 4126 boolean translateName = false; 4127 if (ps != null && ps.realName != null) { 4128 final boolean targetIsInstantApp = ps.getInstantApp(callingUserId); 4129 translateName = !targetIsInstantApp 4130 || canViewInstantApps 4131 || mInstantAppRegistry.isInstantAccessGranted(callingUserId, 4132 UserHandle.getAppId(callingUid), ps.appId); 4133 } 4134 out[i] = translateName ? ps.realName : names[i]; 4135 } 4136 } 4137 return out; 4138 } 4139 4140 @Override 4141 public String[] canonicalToCurrentPackageNames(String[] names) { 4142 final int callingUid = Binder.getCallingUid(); 4143 if (getInstantAppPackageName(callingUid) != null) { 4144 return names; 4145 } 4146 final String[] out = new String[names.length]; 4147 // reader 4148 synchronized (mPackages) { 4149 final int callingUserId = UserHandle.getUserId(callingUid); 4150 final boolean canViewInstantApps = canViewInstantApps(callingUid, callingUserId); 4151 for (int i=names.length-1; i>=0; i--) { 4152 final String cur = mSettings.getRenamedPackageLPr(names[i]); 4153 boolean translateName = false; 4154 if (cur != null) { 4155 final PackageSetting ps = mSettings.mPackages.get(names[i]); 4156 final boolean targetIsInstantApp = 4157 ps != null && ps.getInstantApp(callingUserId); 4158 translateName = !targetIsInstantApp 4159 || canViewInstantApps 4160 || mInstantAppRegistry.isInstantAccessGranted(callingUserId, 4161 UserHandle.getAppId(callingUid), ps.appId); 4162 } 4163 out[i] = translateName ? cur : names[i]; 4164 } 4165 } 4166 return out; 4167 } 4168 4169 @Override 4170 public int getPackageUid(String packageName, int flags, int userId) { 4171 if (!sUserManager.exists(userId)) return -1; 4172 final int callingUid = Binder.getCallingUid(); 4173 flags = updateFlagsForPackage(flags, userId, packageName); 4174 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 4175 false /*requireFullPermission*/, false /*checkShell*/, "getPackageUid"); 4176 4177 // reader 4178 synchronized (mPackages) { 4179 final PackageParser.Package p = mPackages.get(packageName); 4180 if (p != null && p.isMatch(flags)) { 4181 PackageSetting ps = (PackageSetting) p.mExtras; 4182 if (filterAppAccessLPr(ps, callingUid, userId)) { 4183 return -1; 4184 } 4185 return UserHandle.getUid(userId, p.applicationInfo.uid); 4186 } 4187 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 4188 final PackageSetting ps = mSettings.mPackages.get(packageName); 4189 if (ps != null && ps.isMatch(flags) 4190 && !filterAppAccessLPr(ps, callingUid, userId)) { 4191 return UserHandle.getUid(userId, ps.appId); 4192 } 4193 } 4194 } 4195 4196 return -1; 4197 } 4198 4199 @Override 4200 public int[] getPackageGids(String packageName, int flags, int userId) { 4201 if (!sUserManager.exists(userId)) return null; 4202 final int callingUid = Binder.getCallingUid(); 4203 flags = updateFlagsForPackage(flags, userId, packageName); 4204 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 4205 false /*requireFullPermission*/, false /*checkShell*/, "getPackageGids"); 4206 4207 // reader 4208 synchronized (mPackages) { 4209 final PackageParser.Package p = mPackages.get(packageName); 4210 if (p != null && p.isMatch(flags)) { 4211 PackageSetting ps = (PackageSetting) p.mExtras; 4212 if (filterAppAccessLPr(ps, callingUid, userId)) { 4213 return null; 4214 } 4215 // TODO: Shouldn't this be checking for package installed state for userId and 4216 // return null? 4217 return ps.getPermissionsState().computeGids(userId); 4218 } 4219 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 4220 final PackageSetting ps = mSettings.mPackages.get(packageName); 4221 if (ps != null && ps.isMatch(flags) 4222 && !filterAppAccessLPr(ps, callingUid, userId)) { 4223 return ps.getPermissionsState().computeGids(userId); 4224 } 4225 } 4226 } 4227 4228 return null; 4229 } 4230 4231 @Override 4232 public PermissionInfo getPermissionInfo(String name, String packageName, int flags) { 4233 return mPermissionManager.getPermissionInfo(name, packageName, flags, getCallingUid()); 4234 } 4235 4236 @Override 4237 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String groupName, 4238 int flags) { 4239 final List<PermissionInfo> permissionList = 4240 mPermissionManager.getPermissionInfoByGroup(groupName, flags, getCallingUid()); 4241 return (permissionList == null) ? null : new ParceledListSlice<>(permissionList); 4242 } 4243 4244 @Override 4245 public PermissionGroupInfo getPermissionGroupInfo(String groupName, int flags) { 4246 return mPermissionManager.getPermissionGroupInfo(groupName, flags, getCallingUid()); 4247 } 4248 4249 @Override 4250 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 4251 final List<PermissionGroupInfo> permissionList = 4252 mPermissionManager.getAllPermissionGroups(flags, getCallingUid()); 4253 return (permissionList == null) 4254 ? ParceledListSlice.emptyList() : new ParceledListSlice<>(permissionList); 4255 } 4256 4257 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 4258 int filterCallingUid, int userId) { 4259 if (!sUserManager.exists(userId)) return null; 4260 PackageSetting ps = mSettings.mPackages.get(packageName); 4261 if (ps != null) { 4262 if (filterSharedLibPackageLPr(ps, filterCallingUid, userId, flags)) { 4263 return null; 4264 } 4265 if (filterAppAccessLPr(ps, filterCallingUid, userId)) { 4266 return null; 4267 } 4268 if (ps.pkg == null) { 4269 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 4270 if (pInfo != null) { 4271 return pInfo.applicationInfo; 4272 } 4273 return null; 4274 } 4275 ApplicationInfo ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 4276 ps.readUserState(userId), userId); 4277 if (ai != null) { 4278 ai.packageName = resolveExternalPackageNameLPr(ps.pkg); 4279 } 4280 return ai; 4281 } 4282 return null; 4283 } 4284 4285 @Override 4286 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 4287 return getApplicationInfoInternal(packageName, flags, Binder.getCallingUid(), userId); 4288 } 4289 4290 /** 4291 * Important: The provided filterCallingUid is used exclusively to filter out applications 4292 * that can be seen based on user state. It's typically the original caller uid prior 4293 * to clearing. Because it can only be provided by trusted code, it's value can be 4294 * trusted and will be used as-is; unlike userId which will be validated by this method. 4295 */ 4296 private ApplicationInfo getApplicationInfoInternal(String packageName, int flags, 4297 int filterCallingUid, int userId) { 4298 if (!sUserManager.exists(userId)) return null; 4299 flags = updateFlagsForApplication(flags, userId, packageName); 4300 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 4301 false /* requireFullPermission */, false /* checkShell */, "get application info"); 4302 4303 // writer 4304 synchronized (mPackages) { 4305 // Normalize package name to handle renamed packages and static libs 4306 packageName = resolveInternalPackageNameLPr(packageName, 4307 PackageManager.VERSION_CODE_HIGHEST); 4308 4309 PackageParser.Package p = mPackages.get(packageName); 4310 if (DEBUG_PACKAGE_INFO) Log.v( 4311 TAG, "getApplicationInfo " + packageName 4312 + ": " + p); 4313 if (p != null) { 4314 PackageSetting ps = mSettings.mPackages.get(packageName); 4315 if (ps == null) return null; 4316 if (filterSharedLibPackageLPr(ps, filterCallingUid, userId, flags)) { 4317 return null; 4318 } 4319 if (filterAppAccessLPr(ps, filterCallingUid, userId)) { 4320 return null; 4321 } 4322 // Note: isEnabledLP() does not apply here - always return info 4323 ApplicationInfo ai = PackageParser.generateApplicationInfo( 4324 p, flags, ps.readUserState(userId), userId); 4325 if (ai != null) { 4326 ai.packageName = resolveExternalPackageNameLPr(p); 4327 } 4328 return ai; 4329 } 4330 if ("android".equals(packageName)||"system".equals(packageName)) { 4331 return mAndroidApplication; 4332 } 4333 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 4334 // Already generates the external package name 4335 return generateApplicationInfoFromSettingsLPw(packageName, 4336 flags, filterCallingUid, userId); 4337 } 4338 } 4339 return null; 4340 } 4341 4342 private String normalizePackageNameLPr(String packageName) { 4343 String normalizedPackageName = mSettings.getRenamedPackageLPr(packageName); 4344 return normalizedPackageName != null ? normalizedPackageName : packageName; 4345 } 4346 4347 @Override 4348 public void deletePreloadsFileCache() { 4349 if (!UserHandle.isSameApp(Binder.getCallingUid(), Process.SYSTEM_UID)) { 4350 throw new SecurityException("Only system or settings may call deletePreloadsFileCache"); 4351 } 4352 File dir = Environment.getDataPreloadsFileCacheDirectory(); 4353 Slog.i(TAG, "Deleting preloaded file cache " + dir); 4354 FileUtils.deleteContents(dir); 4355 } 4356 4357 @Override 4358 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 4359 final int storageFlags, final IPackageDataObserver observer) { 4360 mContext.enforceCallingOrSelfPermission( 4361 android.Manifest.permission.CLEAR_APP_CACHE, null); 4362 mHandler.post(() -> { 4363 boolean success = false; 4364 try { 4365 freeStorage(volumeUuid, freeStorageSize, storageFlags); 4366 success = true; 4367 } catch (IOException e) { 4368 Slog.w(TAG, e); 4369 } 4370 if (observer != null) { 4371 try { 4372 observer.onRemoveCompleted(null, success); 4373 } catch (RemoteException e) { 4374 Slog.w(TAG, e); 4375 } 4376 } 4377 }); 4378 } 4379 4380 @Override 4381 public void freeStorage(final String volumeUuid, final long freeStorageSize, 4382 final int storageFlags, final IntentSender pi) { 4383 mContext.enforceCallingOrSelfPermission( 4384 android.Manifest.permission.CLEAR_APP_CACHE, TAG); 4385 mHandler.post(() -> { 4386 boolean success = false; 4387 try { 4388 freeStorage(volumeUuid, freeStorageSize, storageFlags); 4389 success = true; 4390 } catch (IOException e) { 4391 Slog.w(TAG, e); 4392 } 4393 if (pi != null) { 4394 try { 4395 pi.sendIntent(null, success ? 1 : 0, null, null, null); 4396 } catch (SendIntentException e) { 4397 Slog.w(TAG, e); 4398 } 4399 } 4400 }); 4401 } 4402 4403 /** 4404 * Blocking call to clear various types of cached data across the system 4405 * until the requested bytes are available. 4406 */ 4407 public void freeStorage(String volumeUuid, long bytes, int storageFlags) throws IOException { 4408 final StorageManager storage = mContext.getSystemService(StorageManager.class); 4409 final File file = storage.findPathForUuid(volumeUuid); 4410 if (file.getUsableSpace() >= bytes) return; 4411 4412 if (ENABLE_FREE_CACHE_V2) { 4413 final boolean internalVolume = Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, 4414 volumeUuid); 4415 final boolean aggressive = (storageFlags 4416 & StorageManager.FLAG_ALLOCATE_AGGRESSIVE) != 0; 4417 final long reservedBytes = storage.getStorageCacheBytes(file, storageFlags); 4418 4419 // 1. Pre-flight to determine if we have any chance to succeed 4420 // 2. Consider preloaded data (after 1w honeymoon, unless aggressive) 4421 if (internalVolume && (aggressive || SystemProperties 4422 .getBoolean("persist.sys.preloads.file_cache_expired", false))) { 4423 deletePreloadsFileCache(); 4424 if (file.getUsableSpace() >= bytes) return; 4425 } 4426 4427 // 3. Consider parsed APK data (aggressive only) 4428 if (internalVolume && aggressive) { 4429 FileUtils.deleteContents(mCacheDir); 4430 if (file.getUsableSpace() >= bytes) return; 4431 } 4432 4433 // 4. Consider cached app data (above quotas) 4434 try { 4435 mInstaller.freeCache(volumeUuid, bytes, reservedBytes, 4436 Installer.FLAG_FREE_CACHE_V2); 4437 } catch (InstallerException ignored) { 4438 } 4439 if (file.getUsableSpace() >= bytes) return; 4440 4441 // 5. Consider shared libraries with refcount=0 and age>min cache period 4442 if (internalVolume && pruneUnusedStaticSharedLibraries(bytes, 4443 android.provider.Settings.Global.getLong(mContext.getContentResolver(), 4444 Global.UNUSED_STATIC_SHARED_LIB_MIN_CACHE_PERIOD, 4445 DEFAULT_UNUSED_STATIC_SHARED_LIB_MIN_CACHE_PERIOD))) { 4446 return; 4447 } 4448 4449 // 6. Consider dexopt output (aggressive only) 4450 // TODO: Implement 4451 4452 // 7. Consider installed instant apps unused longer than min cache period 4453 if (internalVolume && mInstantAppRegistry.pruneInstalledInstantApps(bytes, 4454 android.provider.Settings.Global.getLong(mContext.getContentResolver(), 4455 Global.INSTALLED_INSTANT_APP_MIN_CACHE_PERIOD, 4456 InstantAppRegistry.DEFAULT_INSTALLED_INSTANT_APP_MIN_CACHE_PERIOD))) { 4457 return; 4458 } 4459 4460 // 8. Consider cached app data (below quotas) 4461 try { 4462 mInstaller.freeCache(volumeUuid, bytes, reservedBytes, 4463 Installer.FLAG_FREE_CACHE_V2 | Installer.FLAG_FREE_CACHE_V2_DEFY_QUOTA); 4464 } catch (InstallerException ignored) { 4465 } 4466 if (file.getUsableSpace() >= bytes) return; 4467 4468 // 9. Consider DropBox entries 4469 // TODO: Implement 4470 4471 // 10. Consider instant meta-data (uninstalled apps) older that min cache period 4472 if (internalVolume && mInstantAppRegistry.pruneUninstalledInstantApps(bytes, 4473 android.provider.Settings.Global.getLong(mContext.getContentResolver(), 4474 Global.UNINSTALLED_INSTANT_APP_MIN_CACHE_PERIOD, 4475 InstantAppRegistry.DEFAULT_UNINSTALLED_INSTANT_APP_MIN_CACHE_PERIOD))) { 4476 return; 4477 } 4478 } else { 4479 try { 4480 mInstaller.freeCache(volumeUuid, bytes, 0, 0); 4481 } catch (InstallerException ignored) { 4482 } 4483 if (file.getUsableSpace() >= bytes) return; 4484 } 4485 4486 throw new IOException("Failed to free " + bytes + " on storage device at " + file); 4487 } 4488 4489 private boolean pruneUnusedStaticSharedLibraries(long neededSpace, long maxCachePeriod) 4490 throws IOException { 4491 final StorageManager storage = mContext.getSystemService(StorageManager.class); 4492 final File volume = storage.findPathForUuid(StorageManager.UUID_PRIVATE_INTERNAL); 4493 4494 List<VersionedPackage> packagesToDelete = null; 4495 final long now = System.currentTimeMillis(); 4496 4497 synchronized (mPackages) { 4498 final int[] allUsers = sUserManager.getUserIds(); 4499 final int libCount = mSharedLibraries.size(); 4500 for (int i = 0; i < libCount; i++) { 4501 final LongSparseArray<SharedLibraryEntry> versionedLib 4502 = mSharedLibraries.valueAt(i); 4503 if (versionedLib == null) { 4504 continue; 4505 } 4506 final int versionCount = versionedLib.size(); 4507 for (int j = 0; j < versionCount; j++) { 4508 SharedLibraryInfo libInfo = versionedLib.valueAt(j).info; 4509 // Skip packages that are not static shared libs. 4510 if (!libInfo.isStatic()) { 4511 break; 4512 } 4513 // Important: We skip static shared libs used for some user since 4514 // in such a case we need to keep the APK on the device. The check for 4515 // a lib being used for any user is performed by the uninstall call. 4516 final VersionedPackage declaringPackage = libInfo.getDeclaringPackage(); 4517 // Resolve the package name - we use synthetic package names internally 4518 final String internalPackageName = resolveInternalPackageNameLPr( 4519 declaringPackage.getPackageName(), 4520 declaringPackage.getLongVersionCode()); 4521 final PackageSetting ps = mSettings.getPackageLPr(internalPackageName); 4522 // Skip unused static shared libs cached less than the min period 4523 // to prevent pruning a lib needed by a subsequently installed package. 4524 if (ps == null || now - ps.lastUpdateTime < maxCachePeriod) { 4525 continue; 4526 } 4527 if (packagesToDelete == null) { 4528 packagesToDelete = new ArrayList<>(); 4529 } 4530 packagesToDelete.add(new VersionedPackage(internalPackageName, 4531 declaringPackage.getLongVersionCode())); 4532 } 4533 } 4534 } 4535 4536 if (packagesToDelete != null) { 4537 final int packageCount = packagesToDelete.size(); 4538 for (int i = 0; i < packageCount; i++) { 4539 final VersionedPackage pkgToDelete = packagesToDelete.get(i); 4540 // Delete the package synchronously (will fail of the lib used for any user). 4541 if (deletePackageX(pkgToDelete.getPackageName(), pkgToDelete.getLongVersionCode(), 4542 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS) 4543 == PackageManager.DELETE_SUCCEEDED) { 4544 if (volume.getUsableSpace() >= neededSpace) { 4545 return true; 4546 } 4547 } 4548 } 4549 } 4550 4551 return false; 4552 } 4553 4554 /** 4555 * Update given flags based on encryption status of current user. 4556 */ 4557 private int updateFlags(int flags, int userId) { 4558 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 4559 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 4560 // Caller expressed an explicit opinion about what encryption 4561 // aware/unaware components they want to see, so fall through and 4562 // give them what they want 4563 } else { 4564 // Caller expressed no opinion, so match based on user state 4565 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 4566 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 4567 } else { 4568 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 4569 } 4570 } 4571 return flags; 4572 } 4573 4574 private UserManagerInternal getUserManagerInternal() { 4575 if (mUserManagerInternal == null) { 4576 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 4577 } 4578 return mUserManagerInternal; 4579 } 4580 4581 private ActivityManagerInternal getActivityManagerInternal() { 4582 if (mActivityManagerInternal == null) { 4583 mActivityManagerInternal = LocalServices.getService(ActivityManagerInternal.class); 4584 } 4585 return mActivityManagerInternal; 4586 } 4587 4588 4589 private DeviceIdleController.LocalService getDeviceIdleController() { 4590 if (mDeviceIdleController == null) { 4591 mDeviceIdleController = 4592 LocalServices.getService(DeviceIdleController.LocalService.class); 4593 } 4594 return mDeviceIdleController; 4595 } 4596 4597 /** 4598 * Update given flags when being used to request {@link PackageInfo}. 4599 */ 4600 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 4601 final boolean isCallerSystemUser = UserHandle.getCallingUserId() == UserHandle.USER_SYSTEM; 4602 boolean triaged = true; 4603 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 4604 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 4605 // Caller is asking for component details, so they'd better be 4606 // asking for specific encryption matching behavior, or be triaged 4607 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 4608 | PackageManager.MATCH_DIRECT_BOOT_AWARE 4609 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 4610 triaged = false; 4611 } 4612 } 4613 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 4614 | PackageManager.MATCH_SYSTEM_ONLY 4615 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 4616 triaged = false; 4617 } 4618 if ((flags & PackageManager.MATCH_ANY_USER) != 0) { 4619 mPermissionManager.enforceCrossUserPermission( 4620 Binder.getCallingUid(), userId, false, false, 4621 "MATCH_ANY_USER flag requires INTERACT_ACROSS_USERS permission at " 4622 + Debug.getCallers(5)); 4623 } else if ((flags & PackageManager.MATCH_UNINSTALLED_PACKAGES) != 0 && isCallerSystemUser 4624 && sUserManager.hasManagedProfile(UserHandle.USER_SYSTEM)) { 4625 // If the caller wants all packages and has a restricted profile associated with it, 4626 // then match all users. This is to make sure that launchers that need to access work 4627 // profile apps don't start breaking. TODO: Remove this hack when launchers stop using 4628 // MATCH_UNINSTALLED_PACKAGES to query apps in other profiles. b/31000380 4629 flags |= PackageManager.MATCH_ANY_USER; 4630 } 4631 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 4632 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 4633 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 4634 } 4635 return updateFlags(flags, userId); 4636 } 4637 4638 /** 4639 * Update given flags when being used to request {@link ApplicationInfo}. 4640 */ 4641 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 4642 return updateFlagsForPackage(flags, userId, cookie); 4643 } 4644 4645 /** 4646 * Update given flags when being used to request {@link ComponentInfo}. 4647 */ 4648 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 4649 if (cookie instanceof Intent) { 4650 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 4651 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 4652 } 4653 } 4654 4655 boolean triaged = true; 4656 // Caller is asking for component details, so they'd better be 4657 // asking for specific encryption matching behavior, or be triaged 4658 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 4659 | PackageManager.MATCH_DIRECT_BOOT_AWARE 4660 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 4661 triaged = false; 4662 } 4663 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 4664 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 4665 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 4666 } 4667 4668 return updateFlags(flags, userId); 4669 } 4670 4671 /** 4672 * Update given intent when being used to request {@link ResolveInfo}. 4673 */ 4674 private Intent updateIntentForResolve(Intent intent) { 4675 if (intent.getSelector() != null) { 4676 intent = intent.getSelector(); 4677 } 4678 if (DEBUG_PREFERRED) { 4679 intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4680 } 4681 return intent; 4682 } 4683 4684 /** 4685 * Update given flags when being used to request {@link ResolveInfo}. 4686 * <p>Instant apps are resolved specially, depending upon context. Minimally, 4687 * {@code}flags{@code} must have the {@link PackageManager#MATCH_INSTANT} 4688 * flag set. However, this flag is only honoured in three circumstances: 4689 * <ul> 4690 * <li>when called from a system process</li> 4691 * <li>when the caller holds the permission {@code android.permission.ACCESS_INSTANT_APPS}</li> 4692 * <li>when resolution occurs to start an activity with a {@code android.intent.action.VIEW} 4693 * action and a {@code android.intent.category.BROWSABLE} category</li> 4694 * </ul> 4695 */ 4696 int updateFlagsForResolve(int flags, int userId, Intent intent, int callingUid) { 4697 return updateFlagsForResolve(flags, userId, intent, callingUid, 4698 false /*wantInstantApps*/, false /*onlyExposedExplicitly*/); 4699 } 4700 int updateFlagsForResolve(int flags, int userId, Intent intent, int callingUid, 4701 boolean wantInstantApps) { 4702 return updateFlagsForResolve(flags, userId, intent, callingUid, 4703 wantInstantApps, false /*onlyExposedExplicitly*/); 4704 } 4705 int updateFlagsForResolve(int flags, int userId, Intent intent, int callingUid, 4706 boolean wantInstantApps, boolean onlyExposedExplicitly) { 4707 // Safe mode means we shouldn't match any third-party components 4708 if (mSafeMode) { 4709 flags |= PackageManager.MATCH_SYSTEM_ONLY; 4710 } 4711 if (getInstantAppPackageName(callingUid) != null) { 4712 // But, ephemeral apps see both ephemeral and exposed, non-ephemeral components 4713 if (onlyExposedExplicitly) { 4714 flags |= PackageManager.MATCH_EXPLICITLY_VISIBLE_ONLY; 4715 } 4716 flags |= PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY; 4717 flags |= PackageManager.MATCH_INSTANT; 4718 } else { 4719 final boolean wantMatchInstant = (flags & PackageManager.MATCH_INSTANT) != 0; 4720 final boolean allowMatchInstant = 4721 (wantInstantApps 4722 && Intent.ACTION_VIEW.equals(intent.getAction()) 4723 && hasWebURI(intent)) 4724 || (wantMatchInstant && canViewInstantApps(callingUid, userId)); 4725 flags &= ~(PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY 4726 | PackageManager.MATCH_EXPLICITLY_VISIBLE_ONLY); 4727 if (!allowMatchInstant) { 4728 flags &= ~PackageManager.MATCH_INSTANT; 4729 } 4730 } 4731 return updateFlagsForComponent(flags, userId, intent /*cookie*/); 4732 } 4733 4734 @Override 4735 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 4736 return getActivityInfoInternal(component, flags, Binder.getCallingUid(), userId); 4737 } 4738 4739 /** 4740 * Important: The provided filterCallingUid is used exclusively to filter out activities 4741 * that can be seen based on user state. It's typically the original caller uid prior 4742 * to clearing. Because it can only be provided by trusted code, it's value can be 4743 * trusted and will be used as-is; unlike userId which will be validated by this method. 4744 */ 4745 private ActivityInfo getActivityInfoInternal(ComponentName component, int flags, 4746 int filterCallingUid, int userId) { 4747 if (!sUserManager.exists(userId)) return null; 4748 flags = updateFlagsForComponent(flags, userId, component); 4749 4750 if (!isRecentsAccessingChildProfiles(Binder.getCallingUid(), userId)) { 4751 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 4752 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 4753 } 4754 4755 synchronized (mPackages) { 4756 PackageParser.Activity a = mActivities.mActivities.get(component); 4757 4758 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 4759 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 4760 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4761 if (ps == null) return null; 4762 if (filterAppAccessLPr(ps, filterCallingUid, component, TYPE_ACTIVITY, userId)) { 4763 return null; 4764 } 4765 return PackageParser.generateActivityInfo( 4766 a, flags, ps.readUserState(userId), userId); 4767 } 4768 if (mResolveComponentName.equals(component)) { 4769 return PackageParser.generateActivityInfo( 4770 mResolveActivity, flags, new PackageUserState(), userId); 4771 } 4772 } 4773 return null; 4774 } 4775 4776 private boolean isRecentsAccessingChildProfiles(int callingUid, int targetUserId) { 4777 if (!getActivityManagerInternal().isCallerRecents(callingUid)) { 4778 return false; 4779 } 4780 final long token = Binder.clearCallingIdentity(); 4781 try { 4782 final int callingUserId = UserHandle.getUserId(callingUid); 4783 if (ActivityManager.getCurrentUser() != callingUserId) { 4784 return false; 4785 } 4786 return sUserManager.isSameProfileGroup(callingUserId, targetUserId); 4787 } finally { 4788 Binder.restoreCallingIdentity(token); 4789 } 4790 } 4791 4792 @Override 4793 public boolean activitySupportsIntent(ComponentName component, Intent intent, 4794 String resolvedType) { 4795 synchronized (mPackages) { 4796 if (component.equals(mResolveComponentName)) { 4797 // The resolver supports EVERYTHING! 4798 return true; 4799 } 4800 final int callingUid = Binder.getCallingUid(); 4801 final int callingUserId = UserHandle.getUserId(callingUid); 4802 PackageParser.Activity a = mActivities.mActivities.get(component); 4803 if (a == null) { 4804 return false; 4805 } 4806 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4807 if (ps == null) { 4808 return false; 4809 } 4810 if (filterAppAccessLPr(ps, callingUid, component, TYPE_ACTIVITY, callingUserId)) { 4811 return false; 4812 } 4813 for (int i=0; i<a.intents.size(); i++) { 4814 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 4815 intent.getData(), intent.getCategories(), TAG) >= 0) { 4816 return true; 4817 } 4818 } 4819 return false; 4820 } 4821 } 4822 4823 @Override 4824 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 4825 if (!sUserManager.exists(userId)) return null; 4826 final int callingUid = Binder.getCallingUid(); 4827 flags = updateFlagsForComponent(flags, userId, component); 4828 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 4829 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 4830 synchronized (mPackages) { 4831 PackageParser.Activity a = mReceivers.mActivities.get(component); 4832 if (DEBUG_PACKAGE_INFO) Log.v( 4833 TAG, "getReceiverInfo " + component + ": " + a); 4834 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 4835 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4836 if (ps == null) return null; 4837 if (filterAppAccessLPr(ps, callingUid, component, TYPE_RECEIVER, userId)) { 4838 return null; 4839 } 4840 return PackageParser.generateActivityInfo( 4841 a, flags, ps.readUserState(userId), userId); 4842 } 4843 } 4844 return null; 4845 } 4846 4847 @Override 4848 public ParceledListSlice<SharedLibraryInfo> getSharedLibraries(String packageName, 4849 int flags, int userId) { 4850 if (!sUserManager.exists(userId)) return null; 4851 Preconditions.checkArgumentNonnegative(userId, "userId must be >= 0"); 4852 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 4853 return null; 4854 } 4855 4856 flags = updateFlagsForPackage(flags, userId, null); 4857 4858 final boolean canSeeStaticLibraries = 4859 mContext.checkCallingOrSelfPermission(INSTALL_PACKAGES) 4860 == PERMISSION_GRANTED 4861 || mContext.checkCallingOrSelfPermission(DELETE_PACKAGES) 4862 == PERMISSION_GRANTED 4863 || canRequestPackageInstallsInternal(packageName, 4864 PackageManager.MATCH_STATIC_SHARED_LIBRARIES, userId, 4865 false /* throwIfPermNotDeclared*/) 4866 || mContext.checkCallingOrSelfPermission(REQUEST_DELETE_PACKAGES) 4867 == PERMISSION_GRANTED; 4868 4869 synchronized (mPackages) { 4870 List<SharedLibraryInfo> result = null; 4871 4872 final int libCount = mSharedLibraries.size(); 4873 for (int i = 0; i < libCount; i++) { 4874 LongSparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 4875 if (versionedLib == null) { 4876 continue; 4877 } 4878 4879 final int versionCount = versionedLib.size(); 4880 for (int j = 0; j < versionCount; j++) { 4881 SharedLibraryInfo libInfo = versionedLib.valueAt(j).info; 4882 if (!canSeeStaticLibraries && libInfo.isStatic()) { 4883 break; 4884 } 4885 final long identity = Binder.clearCallingIdentity(); 4886 try { 4887 PackageInfo packageInfo = getPackageInfoVersioned( 4888 libInfo.getDeclaringPackage(), flags 4889 | PackageManager.MATCH_STATIC_SHARED_LIBRARIES, userId); 4890 if (packageInfo == null) { 4891 continue; 4892 } 4893 } finally { 4894 Binder.restoreCallingIdentity(identity); 4895 } 4896 4897 SharedLibraryInfo resLibInfo = new SharedLibraryInfo(libInfo.getName(), 4898 libInfo.getLongVersion(), libInfo.getType(), 4899 libInfo.getDeclaringPackage(), getPackagesUsingSharedLibraryLPr(libInfo, 4900 flags, userId)); 4901 4902 if (result == null) { 4903 result = new ArrayList<>(); 4904 } 4905 result.add(resLibInfo); 4906 } 4907 } 4908 4909 return result != null ? new ParceledListSlice<>(result) : null; 4910 } 4911 } 4912 4913 private List<VersionedPackage> getPackagesUsingSharedLibraryLPr( 4914 SharedLibraryInfo libInfo, int flags, int userId) { 4915 List<VersionedPackage> versionedPackages = null; 4916 final int packageCount = mSettings.mPackages.size(); 4917 for (int i = 0; i < packageCount; i++) { 4918 PackageSetting ps = mSettings.mPackages.valueAt(i); 4919 4920 if (ps == null) { 4921 continue; 4922 } 4923 4924 if (!ps.getUserState().get(userId).isAvailable(flags)) { 4925 continue; 4926 } 4927 4928 final String libName = libInfo.getName(); 4929 if (libInfo.isStatic()) { 4930 final int libIdx = ArrayUtils.indexOf(ps.usesStaticLibraries, libName); 4931 if (libIdx < 0) { 4932 continue; 4933 } 4934 if (ps.usesStaticLibrariesVersions[libIdx] != libInfo.getLongVersion()) { 4935 continue; 4936 } 4937 if (versionedPackages == null) { 4938 versionedPackages = new ArrayList<>(); 4939 } 4940 // If the dependent is a static shared lib, use the public package name 4941 String dependentPackageName = ps.name; 4942 if (ps.pkg != null && ps.pkg.applicationInfo.isStaticSharedLibrary()) { 4943 dependentPackageName = ps.pkg.manifestPackageName; 4944 } 4945 versionedPackages.add(new VersionedPackage(dependentPackageName, ps.versionCode)); 4946 } else if (ps.pkg != null) { 4947 if (ArrayUtils.contains(ps.pkg.usesLibraries, libName) 4948 || ArrayUtils.contains(ps.pkg.usesOptionalLibraries, libName)) { 4949 if (versionedPackages == null) { 4950 versionedPackages = new ArrayList<>(); 4951 } 4952 versionedPackages.add(new VersionedPackage(ps.name, ps.versionCode)); 4953 } 4954 } 4955 } 4956 4957 return versionedPackages; 4958 } 4959 4960 @Override 4961 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 4962 if (!sUserManager.exists(userId)) return null; 4963 final int callingUid = Binder.getCallingUid(); 4964 flags = updateFlagsForComponent(flags, userId, component); 4965 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 4966 false /* requireFullPermission */, false /* checkShell */, "get service info"); 4967 synchronized (mPackages) { 4968 PackageParser.Service s = mServices.mServices.get(component); 4969 if (DEBUG_PACKAGE_INFO) Log.v( 4970 TAG, "getServiceInfo " + component + ": " + s); 4971 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 4972 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4973 if (ps == null) return null; 4974 if (filterAppAccessLPr(ps, callingUid, component, TYPE_SERVICE, userId)) { 4975 return null; 4976 } 4977 return PackageParser.generateServiceInfo( 4978 s, flags, ps.readUserState(userId), userId); 4979 } 4980 } 4981 return null; 4982 } 4983 4984 @Override 4985 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 4986 if (!sUserManager.exists(userId)) return null; 4987 final int callingUid = Binder.getCallingUid(); 4988 flags = updateFlagsForComponent(flags, userId, component); 4989 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 4990 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 4991 synchronized (mPackages) { 4992 PackageParser.Provider p = mProviders.mProviders.get(component); 4993 if (DEBUG_PACKAGE_INFO) Log.v( 4994 TAG, "getProviderInfo " + component + ": " + p); 4995 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 4996 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4997 if (ps == null) return null; 4998 if (filterAppAccessLPr(ps, callingUid, component, TYPE_PROVIDER, userId)) { 4999 return null; 5000 } 5001 return PackageParser.generateProviderInfo( 5002 p, flags, ps.readUserState(userId), userId); 5003 } 5004 } 5005 return null; 5006 } 5007 5008 @Override 5009 public String[] getSystemSharedLibraryNames() { 5010 // allow instant applications 5011 synchronized (mPackages) { 5012 Set<String> libs = null; 5013 final int libCount = mSharedLibraries.size(); 5014 for (int i = 0; i < libCount; i++) { 5015 LongSparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 5016 if (versionedLib == null) { 5017 continue; 5018 } 5019 final int versionCount = versionedLib.size(); 5020 for (int j = 0; j < versionCount; j++) { 5021 SharedLibraryEntry libEntry = versionedLib.valueAt(j); 5022 if (!libEntry.info.isStatic()) { 5023 if (libs == null) { 5024 libs = new ArraySet<>(); 5025 } 5026 libs.add(libEntry.info.getName()); 5027 break; 5028 } 5029 PackageSetting ps = mSettings.getPackageLPr(libEntry.apk); 5030 if (ps != null && !filterSharedLibPackageLPr(ps, Binder.getCallingUid(), 5031 UserHandle.getUserId(Binder.getCallingUid()), 5032 PackageManager.MATCH_STATIC_SHARED_LIBRARIES)) { 5033 if (libs == null) { 5034 libs = new ArraySet<>(); 5035 } 5036 libs.add(libEntry.info.getName()); 5037 break; 5038 } 5039 } 5040 } 5041 5042 if (libs != null) { 5043 String[] libsArray = new String[libs.size()]; 5044 libs.toArray(libsArray); 5045 return libsArray; 5046 } 5047 5048 return null; 5049 } 5050 } 5051 5052 @Override 5053 public @NonNull String getServicesSystemSharedLibraryPackageName() { 5054 // allow instant applications 5055 synchronized (mPackages) { 5056 return mServicesSystemSharedLibraryPackageName; 5057 } 5058 } 5059 5060 @Override 5061 public @NonNull String getSharedSystemSharedLibraryPackageName() { 5062 // allow instant applications 5063 synchronized (mPackages) { 5064 return mSharedSystemSharedLibraryPackageName; 5065 } 5066 } 5067 5068 private void updateSequenceNumberLP(PackageSetting pkgSetting, int[] userList) { 5069 for (int i = userList.length - 1; i >= 0; --i) { 5070 final int userId = userList[i]; 5071 // don't add instant app to the list of updates 5072 if (pkgSetting.getInstantApp(userId)) { 5073 continue; 5074 } 5075 SparseArray<String> changedPackages = mChangedPackages.get(userId); 5076 if (changedPackages == null) { 5077 changedPackages = new SparseArray<>(); 5078 mChangedPackages.put(userId, changedPackages); 5079 } 5080 Map<String, Integer> sequenceNumbers = mChangedPackagesSequenceNumbers.get(userId); 5081 if (sequenceNumbers == null) { 5082 sequenceNumbers = new HashMap<>(); 5083 mChangedPackagesSequenceNumbers.put(userId, sequenceNumbers); 5084 } 5085 final Integer sequenceNumber = sequenceNumbers.get(pkgSetting.name); 5086 if (sequenceNumber != null) { 5087 changedPackages.remove(sequenceNumber); 5088 } 5089 changedPackages.put(mChangedPackagesSequenceNumber, pkgSetting.name); 5090 sequenceNumbers.put(pkgSetting.name, mChangedPackagesSequenceNumber); 5091 } 5092 mChangedPackagesSequenceNumber++; 5093 } 5094 5095 @Override 5096 public ChangedPackages getChangedPackages(int sequenceNumber, int userId) { 5097 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 5098 return null; 5099 } 5100 synchronized (mPackages) { 5101 if (sequenceNumber >= mChangedPackagesSequenceNumber) { 5102 return null; 5103 } 5104 final SparseArray<String> changedPackages = mChangedPackages.get(userId); 5105 if (changedPackages == null) { 5106 return null; 5107 } 5108 final List<String> packageNames = 5109 new ArrayList<>(mChangedPackagesSequenceNumber - sequenceNumber); 5110 for (int i = sequenceNumber; i < mChangedPackagesSequenceNumber; i++) { 5111 final String packageName = changedPackages.get(i); 5112 if (packageName != null) { 5113 packageNames.add(packageName); 5114 } 5115 } 5116 return packageNames.isEmpty() 5117 ? null : new ChangedPackages(mChangedPackagesSequenceNumber, packageNames); 5118 } 5119 } 5120 5121 @Override 5122 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 5123 // allow instant applications 5124 ArrayList<FeatureInfo> res; 5125 synchronized (mAvailableFeatures) { 5126 res = new ArrayList<>(mAvailableFeatures.size() + 1); 5127 res.addAll(mAvailableFeatures.values()); 5128 } 5129 final FeatureInfo fi = new FeatureInfo(); 5130 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 5131 FeatureInfo.GL_ES_VERSION_UNDEFINED); 5132 res.add(fi); 5133 5134 return new ParceledListSlice<>(res); 5135 } 5136 5137 @Override 5138 public boolean hasSystemFeature(String name, int version) { 5139 // allow instant applications 5140 synchronized (mAvailableFeatures) { 5141 final FeatureInfo feat = mAvailableFeatures.get(name); 5142 if (feat == null) { 5143 return false; 5144 } else { 5145 return feat.version >= version; 5146 } 5147 } 5148 } 5149 5150 @Override 5151 public int checkPermission(String permName, String pkgName, int userId) { 5152 return mPermissionManager.checkPermission(permName, pkgName, getCallingUid(), userId); 5153 } 5154 5155 @Override 5156 public int checkUidPermission(String permName, int uid) { 5157 return mPermissionManager.checkUidPermission(permName, uid, getCallingUid()); 5158 } 5159 5160 @Override 5161 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 5162 if (UserHandle.getCallingUserId() != userId) { 5163 mContext.enforceCallingPermission( 5164 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 5165 "isPermissionRevokedByPolicy for user " + userId); 5166 } 5167 5168 if (checkPermission(permission, packageName, userId) 5169 == PackageManager.PERMISSION_GRANTED) { 5170 return false; 5171 } 5172 5173 final int callingUid = Binder.getCallingUid(); 5174 if (getInstantAppPackageName(callingUid) != null) { 5175 if (!isCallerSameApp(packageName, callingUid)) { 5176 return false; 5177 } 5178 } else { 5179 if (isInstantApp(packageName, userId)) { 5180 return false; 5181 } 5182 } 5183 5184 final long identity = Binder.clearCallingIdentity(); 5185 try { 5186 final int flags = getPermissionFlags(permission, packageName, userId); 5187 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 5188 } finally { 5189 Binder.restoreCallingIdentity(identity); 5190 } 5191 } 5192 5193 @Override 5194 public String getPermissionControllerPackageName() { 5195 synchronized (mPackages) { 5196 return mRequiredInstallerPackage; 5197 } 5198 } 5199 5200 private boolean addDynamicPermission(PermissionInfo info, final boolean async) { 5201 return mPermissionManager.addDynamicPermission( 5202 info, async, getCallingUid(), new PermissionCallback() { 5203 @Override 5204 public void onPermissionChanged() { 5205 if (!async) { 5206 mSettings.writeLPr(); 5207 } else { 5208 scheduleWriteSettingsLocked(); 5209 } 5210 } 5211 }); 5212 } 5213 5214 @Override 5215 public boolean addPermission(PermissionInfo info) { 5216 synchronized (mPackages) { 5217 return addDynamicPermission(info, false); 5218 } 5219 } 5220 5221 @Override 5222 public boolean addPermissionAsync(PermissionInfo info) { 5223 synchronized (mPackages) { 5224 return addDynamicPermission(info, true); 5225 } 5226 } 5227 5228 @Override 5229 public void removePermission(String permName) { 5230 mPermissionManager.removeDynamicPermission(permName, getCallingUid(), mPermissionCallback); 5231 } 5232 5233 @Override 5234 public void grantRuntimePermission(String packageName, String permName, final int userId) { 5235 mPermissionManager.grantRuntimePermission(permName, packageName, false /*overridePolicy*/, 5236 getCallingUid(), userId, mPermissionCallback); 5237 } 5238 5239 @Override 5240 public void revokeRuntimePermission(String packageName, String permName, int userId) { 5241 mPermissionManager.revokeRuntimePermission(permName, packageName, false /*overridePolicy*/, 5242 getCallingUid(), userId, mPermissionCallback); 5243 } 5244 5245 @Override 5246 public void resetRuntimePermissions() { 5247 mContext.enforceCallingOrSelfPermission( 5248 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 5249 "revokeRuntimePermission"); 5250 5251 int callingUid = Binder.getCallingUid(); 5252 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 5253 mContext.enforceCallingOrSelfPermission( 5254 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 5255 "resetRuntimePermissions"); 5256 } 5257 5258 synchronized (mPackages) { 5259 mPermissionManager.updateAllPermissions( 5260 StorageManager.UUID_PRIVATE_INTERNAL, false, mPackages.values(), 5261 mPermissionCallback); 5262 for (int userId : UserManagerService.getInstance().getUserIds()) { 5263 final int packageCount = mPackages.size(); 5264 for (int i = 0; i < packageCount; i++) { 5265 PackageParser.Package pkg = mPackages.valueAt(i); 5266 if (!(pkg.mExtras instanceof PackageSetting)) { 5267 continue; 5268 } 5269 PackageSetting ps = (PackageSetting) pkg.mExtras; 5270 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 5271 } 5272 } 5273 } 5274 } 5275 5276 @Override 5277 public int getPermissionFlags(String permName, String packageName, int userId) { 5278 return mPermissionManager.getPermissionFlags( 5279 permName, packageName, getCallingUid(), userId); 5280 } 5281 5282 @Override 5283 public void updatePermissionFlags(String permName, String packageName, int flagMask, 5284 int flagValues, int userId) { 5285 mPermissionManager.updatePermissionFlags( 5286 permName, packageName, flagMask, flagValues, getCallingUid(), userId, 5287 mPermissionCallback); 5288 } 5289 5290 /** 5291 * Update the permission flags for all packages and runtime permissions of a user in order 5292 * to allow device or profile owner to remove POLICY_FIXED. 5293 */ 5294 @Override 5295 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 5296 synchronized (mPackages) { 5297 final boolean changed = mPermissionManager.updatePermissionFlagsForAllApps( 5298 flagMask, flagValues, getCallingUid(), userId, mPackages.values(), 5299 mPermissionCallback); 5300 if (changed) { 5301 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 5302 } 5303 } 5304 } 5305 5306 @Override 5307 public boolean shouldShowRequestPermissionRationale(String permissionName, 5308 String packageName, int userId) { 5309 if (UserHandle.getCallingUserId() != userId) { 5310 mContext.enforceCallingPermission( 5311 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 5312 "canShowRequestPermissionRationale for user " + userId); 5313 } 5314 5315 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 5316 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 5317 return false; 5318 } 5319 5320 if (checkPermission(permissionName, packageName, userId) 5321 == PackageManager.PERMISSION_GRANTED) { 5322 return false; 5323 } 5324 5325 final int flags; 5326 5327 final long identity = Binder.clearCallingIdentity(); 5328 try { 5329 flags = getPermissionFlags(permissionName, 5330 packageName, userId); 5331 } finally { 5332 Binder.restoreCallingIdentity(identity); 5333 } 5334 5335 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 5336 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 5337 | PackageManager.FLAG_PERMISSION_USER_FIXED; 5338 5339 if ((flags & fixedFlags) != 0) { 5340 return false; 5341 } 5342 5343 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 5344 } 5345 5346 @Override 5347 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 5348 mContext.enforceCallingOrSelfPermission( 5349 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 5350 "addOnPermissionsChangeListener"); 5351 5352 synchronized (mPackages) { 5353 mOnPermissionChangeListeners.addListenerLocked(listener); 5354 } 5355 } 5356 5357 @Override 5358 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 5359 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 5360 throw new SecurityException("Instant applications don't have access to this method"); 5361 } 5362 synchronized (mPackages) { 5363 mOnPermissionChangeListeners.removeListenerLocked(listener); 5364 } 5365 } 5366 5367 @Override 5368 public boolean isProtectedBroadcast(String actionName) { 5369 // allow instant applications 5370 synchronized (mProtectedBroadcasts) { 5371 if (mProtectedBroadcasts.contains(actionName)) { 5372 return true; 5373 } else if (actionName != null) { 5374 // TODO: remove these terrible hacks 5375 if (actionName.startsWith("android.net.netmon.lingerExpired") 5376 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 5377 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 5378 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 5379 return true; 5380 } 5381 } 5382 } 5383 return false; 5384 } 5385 5386 @Override 5387 public int checkSignatures(String pkg1, String pkg2) { 5388 synchronized (mPackages) { 5389 final PackageParser.Package p1 = mPackages.get(pkg1); 5390 final PackageParser.Package p2 = mPackages.get(pkg2); 5391 if (p1 == null || p1.mExtras == null 5392 || p2 == null || p2.mExtras == null) { 5393 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5394 } 5395 final int callingUid = Binder.getCallingUid(); 5396 final int callingUserId = UserHandle.getUserId(callingUid); 5397 final PackageSetting ps1 = (PackageSetting) p1.mExtras; 5398 final PackageSetting ps2 = (PackageSetting) p2.mExtras; 5399 if (filterAppAccessLPr(ps1, callingUid, callingUserId) 5400 || filterAppAccessLPr(ps2, callingUid, callingUserId)) { 5401 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5402 } 5403 return compareSignatures(p1.mSigningDetails.signatures, p2.mSigningDetails.signatures); 5404 } 5405 } 5406 5407 @Override 5408 public int checkUidSignatures(int uid1, int uid2) { 5409 final int callingUid = Binder.getCallingUid(); 5410 final int callingUserId = UserHandle.getUserId(callingUid); 5411 final boolean isCallerInstantApp = getInstantAppPackageName(callingUid) != null; 5412 // Map to base uids. 5413 uid1 = UserHandle.getAppId(uid1); 5414 uid2 = UserHandle.getAppId(uid2); 5415 // reader 5416 synchronized (mPackages) { 5417 Signature[] s1; 5418 Signature[] s2; 5419 Object obj = mSettings.getUserIdLPr(uid1); 5420 if (obj != null) { 5421 if (obj instanceof SharedUserSetting) { 5422 if (isCallerInstantApp) { 5423 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5424 } 5425 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 5426 } else if (obj instanceof PackageSetting) { 5427 final PackageSetting ps = (PackageSetting) obj; 5428 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 5429 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5430 } 5431 s1 = ps.signatures.mSignatures; 5432 } else { 5433 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5434 } 5435 } else { 5436 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5437 } 5438 obj = mSettings.getUserIdLPr(uid2); 5439 if (obj != null) { 5440 if (obj instanceof SharedUserSetting) { 5441 if (isCallerInstantApp) { 5442 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5443 } 5444 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 5445 } else if (obj instanceof PackageSetting) { 5446 final PackageSetting ps = (PackageSetting) obj; 5447 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 5448 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5449 } 5450 s2 = ps.signatures.mSignatures; 5451 } else { 5452 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5453 } 5454 } else { 5455 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5456 } 5457 return compareSignatures(s1, s2); 5458 } 5459 } 5460 5461 /** 5462 * This method should typically only be used when granting or revoking 5463 * permissions, since the app may immediately restart after this call. 5464 * <p> 5465 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 5466 * guard your work against the app being relaunched. 5467 */ 5468 private void killUid(int appId, int userId, String reason) { 5469 final long identity = Binder.clearCallingIdentity(); 5470 try { 5471 IActivityManager am = ActivityManager.getService(); 5472 if (am != null) { 5473 try { 5474 am.killUid(appId, userId, reason); 5475 } catch (RemoteException e) { 5476 /* ignore - same process */ 5477 } 5478 } 5479 } finally { 5480 Binder.restoreCallingIdentity(identity); 5481 } 5482 } 5483 5484 /** 5485 * If the database version for this type of package (internal storage or 5486 * external storage) is less than the version where package signatures 5487 * were updated, return true. 5488 */ 5489 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 5490 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 5491 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 5492 } 5493 5494 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 5495 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 5496 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 5497 } 5498 5499 @Override 5500 public List<String> getAllPackages() { 5501 final int callingUid = Binder.getCallingUid(); 5502 final int callingUserId = UserHandle.getUserId(callingUid); 5503 synchronized (mPackages) { 5504 if (canViewInstantApps(callingUid, callingUserId)) { 5505 return new ArrayList<String>(mPackages.keySet()); 5506 } 5507 final String instantAppPkgName = getInstantAppPackageName(callingUid); 5508 final List<String> result = new ArrayList<>(); 5509 if (instantAppPkgName != null) { 5510 // caller is an instant application; filter unexposed applications 5511 for (PackageParser.Package pkg : mPackages.values()) { 5512 if (!pkg.visibleToInstantApps) { 5513 continue; 5514 } 5515 result.add(pkg.packageName); 5516 } 5517 } else { 5518 // caller is a normal application; filter instant applications 5519 for (PackageParser.Package pkg : mPackages.values()) { 5520 final PackageSetting ps = 5521 pkg.mExtras != null ? (PackageSetting) pkg.mExtras : null; 5522 if (ps != null 5523 && ps.getInstantApp(callingUserId) 5524 && !mInstantAppRegistry.isInstantAccessGranted( 5525 callingUserId, UserHandle.getAppId(callingUid), ps.appId)) { 5526 continue; 5527 } 5528 result.add(pkg.packageName); 5529 } 5530 } 5531 return result; 5532 } 5533 } 5534 5535 @Override 5536 public String[] getPackagesForUid(int uid) { 5537 final int callingUid = Binder.getCallingUid(); 5538 final boolean isCallerInstantApp = getInstantAppPackageName(callingUid) != null; 5539 final int userId = UserHandle.getUserId(uid); 5540 uid = UserHandle.getAppId(uid); 5541 // reader 5542 synchronized (mPackages) { 5543 Object obj = mSettings.getUserIdLPr(uid); 5544 if (obj instanceof SharedUserSetting) { 5545 if (isCallerInstantApp) { 5546 return null; 5547 } 5548 final SharedUserSetting sus = (SharedUserSetting) obj; 5549 final int N = sus.packages.size(); 5550 String[] res = new String[N]; 5551 final Iterator<PackageSetting> it = sus.packages.iterator(); 5552 int i = 0; 5553 while (it.hasNext()) { 5554 PackageSetting ps = it.next(); 5555 if (ps.getInstalled(userId)) { 5556 res[i++] = ps.name; 5557 } else { 5558 res = ArrayUtils.removeElement(String.class, res, res[i]); 5559 } 5560 } 5561 return res; 5562 } else if (obj instanceof PackageSetting) { 5563 final PackageSetting ps = (PackageSetting) obj; 5564 if (ps.getInstalled(userId) && !filterAppAccessLPr(ps, callingUid, userId)) { 5565 return new String[]{ps.name}; 5566 } 5567 } 5568 } 5569 return null; 5570 } 5571 5572 @Override 5573 public String getNameForUid(int uid) { 5574 final int callingUid = Binder.getCallingUid(); 5575 if (getInstantAppPackageName(callingUid) != null) { 5576 return null; 5577 } 5578 synchronized (mPackages) { 5579 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5580 if (obj instanceof SharedUserSetting) { 5581 final SharedUserSetting sus = (SharedUserSetting) obj; 5582 return sus.name + ":" + sus.userId; 5583 } else if (obj instanceof PackageSetting) { 5584 final PackageSetting ps = (PackageSetting) obj; 5585 if (filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 5586 return null; 5587 } 5588 return ps.name; 5589 } 5590 return null; 5591 } 5592 } 5593 5594 @Override 5595 public String[] getNamesForUids(int[] uids) { 5596 if (uids == null || uids.length == 0) { 5597 return null; 5598 } 5599 final int callingUid = Binder.getCallingUid(); 5600 if (getInstantAppPackageName(callingUid) != null) { 5601 return null; 5602 } 5603 final String[] names = new String[uids.length]; 5604 synchronized (mPackages) { 5605 for (int i = uids.length - 1; i >= 0; i--) { 5606 final int uid = uids[i]; 5607 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5608 if (obj instanceof SharedUserSetting) { 5609 final SharedUserSetting sus = (SharedUserSetting) obj; 5610 names[i] = "shared:" + sus.name; 5611 } else if (obj instanceof PackageSetting) { 5612 final PackageSetting ps = (PackageSetting) obj; 5613 if (filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 5614 names[i] = null; 5615 } else { 5616 names[i] = ps.name; 5617 } 5618 } else { 5619 names[i] = null; 5620 } 5621 } 5622 } 5623 return names; 5624 } 5625 5626 @Override 5627 public int getUidForSharedUser(String sharedUserName) { 5628 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 5629 return -1; 5630 } 5631 if (sharedUserName == null) { 5632 return -1; 5633 } 5634 // reader 5635 synchronized (mPackages) { 5636 SharedUserSetting suid; 5637 try { 5638 suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 5639 if (suid != null) { 5640 return suid.userId; 5641 } 5642 } catch (PackageManagerException ignore) { 5643 // can't happen, but, still need to catch it 5644 } 5645 return -1; 5646 } 5647 } 5648 5649 @Override 5650 public int getFlagsForUid(int uid) { 5651 final int callingUid = Binder.getCallingUid(); 5652 if (getInstantAppPackageName(callingUid) != null) { 5653 return 0; 5654 } 5655 synchronized (mPackages) { 5656 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5657 if (obj instanceof SharedUserSetting) { 5658 final SharedUserSetting sus = (SharedUserSetting) obj; 5659 return sus.pkgFlags; 5660 } else if (obj instanceof PackageSetting) { 5661 final PackageSetting ps = (PackageSetting) obj; 5662 if (filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 5663 return 0; 5664 } 5665 return ps.pkgFlags; 5666 } 5667 } 5668 return 0; 5669 } 5670 5671 @Override 5672 public int getPrivateFlagsForUid(int uid) { 5673 final int callingUid = Binder.getCallingUid(); 5674 if (getInstantAppPackageName(callingUid) != null) { 5675 return 0; 5676 } 5677 synchronized (mPackages) { 5678 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5679 if (obj instanceof SharedUserSetting) { 5680 final SharedUserSetting sus = (SharedUserSetting) obj; 5681 return sus.pkgPrivateFlags; 5682 } else if (obj instanceof PackageSetting) { 5683 final PackageSetting ps = (PackageSetting) obj; 5684 if (filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 5685 return 0; 5686 } 5687 return ps.pkgPrivateFlags; 5688 } 5689 } 5690 return 0; 5691 } 5692 5693 @Override 5694 public boolean isUidPrivileged(int uid) { 5695 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 5696 return false; 5697 } 5698 uid = UserHandle.getAppId(uid); 5699 // reader 5700 synchronized (mPackages) { 5701 Object obj = mSettings.getUserIdLPr(uid); 5702 if (obj instanceof SharedUserSetting) { 5703 final SharedUserSetting sus = (SharedUserSetting) obj; 5704 final Iterator<PackageSetting> it = sus.packages.iterator(); 5705 while (it.hasNext()) { 5706 if (it.next().isPrivileged()) { 5707 return true; 5708 } 5709 } 5710 } else if (obj instanceof PackageSetting) { 5711 final PackageSetting ps = (PackageSetting) obj; 5712 return ps.isPrivileged(); 5713 } 5714 } 5715 return false; 5716 } 5717 5718 @Override 5719 public String[] getAppOpPermissionPackages(String permName) { 5720 return mPermissionManager.getAppOpPermissionPackages(permName); 5721 } 5722 5723 @Override 5724 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 5725 int flags, int userId) { 5726 return resolveIntentInternal( 5727 intent, resolvedType, flags, userId, false /*resolveForStart*/); 5728 } 5729 5730 /** 5731 * Normally instant apps can only be resolved when they're visible to the caller. 5732 * However, if {@code resolveForStart} is {@code true}, all instant apps are visible 5733 * since we need to allow the system to start any installed application. 5734 */ 5735 private ResolveInfo resolveIntentInternal(Intent intent, String resolvedType, 5736 int flags, int userId, boolean resolveForStart) { 5737 try { 5738 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 5739 5740 if (!sUserManager.exists(userId)) return null; 5741 final int callingUid = Binder.getCallingUid(); 5742 flags = updateFlagsForResolve(flags, userId, intent, callingUid, resolveForStart); 5743 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 5744 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 5745 5746 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5747 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 5748 flags, callingUid, userId, resolveForStart, true /*allowDynamicSplits*/); 5749 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5750 5751 final ResolveInfo bestChoice = 5752 chooseBestActivity(intent, resolvedType, flags, query, userId); 5753 return bestChoice; 5754 } finally { 5755 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5756 } 5757 } 5758 5759 @Override 5760 public ResolveInfo findPersistentPreferredActivity(Intent intent, int userId) { 5761 if (!UserHandle.isSameApp(Binder.getCallingUid(), Process.SYSTEM_UID)) { 5762 throw new SecurityException( 5763 "findPersistentPreferredActivity can only be run by the system"); 5764 } 5765 if (!sUserManager.exists(userId)) { 5766 return null; 5767 } 5768 final int callingUid = Binder.getCallingUid(); 5769 intent = updateIntentForResolve(intent); 5770 final String resolvedType = intent.resolveTypeIfNeeded(mContext.getContentResolver()); 5771 final int flags = updateFlagsForResolve( 5772 0, userId, intent, callingUid, false /*includeInstantApps*/); 5773 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5774 userId); 5775 synchronized (mPackages) { 5776 return findPersistentPreferredActivityLP(intent, resolvedType, flags, query, false, 5777 userId); 5778 } 5779 } 5780 5781 @Override 5782 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 5783 IntentFilter filter, int match, ComponentName activity) { 5784 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 5785 return; 5786 } 5787 final int userId = UserHandle.getCallingUserId(); 5788 if (DEBUG_PREFERRED) { 5789 Log.v(TAG, "setLastChosenActivity intent=" + intent 5790 + " resolvedType=" + resolvedType 5791 + " flags=" + flags 5792 + " filter=" + filter 5793 + " match=" + match 5794 + " activity=" + activity); 5795 filter.dump(new PrintStreamPrinter(System.out), " "); 5796 } 5797 intent.setComponent(null); 5798 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5799 userId); 5800 // Find any earlier preferred or last chosen entries and nuke them 5801 findPreferredActivity(intent, resolvedType, 5802 flags, query, 0, false, true, false, userId); 5803 // Add the new activity as the last chosen for this filter 5804 addPreferredActivityInternal(filter, match, null, activity, false, userId, 5805 "Setting last chosen"); 5806 } 5807 5808 @Override 5809 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 5810 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 5811 return null; 5812 } 5813 final int userId = UserHandle.getCallingUserId(); 5814 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 5815 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5816 userId); 5817 return findPreferredActivity(intent, resolvedType, flags, query, 0, 5818 false, false, false, userId); 5819 } 5820 5821 /** 5822 * Returns whether or not instant apps have been disabled remotely. 5823 */ 5824 private boolean isEphemeralDisabled() { 5825 return mEphemeralAppsDisabled; 5826 } 5827 5828 private boolean isInstantAppAllowed( 5829 Intent intent, List<ResolveInfo> resolvedActivities, int userId, 5830 boolean skipPackageCheck) { 5831 if (mInstantAppResolverConnection == null) { 5832 return false; 5833 } 5834 if (mInstantAppInstallerActivity == null) { 5835 return false; 5836 } 5837 if (intent.getComponent() != null) { 5838 return false; 5839 } 5840 if ((intent.getFlags() & Intent.FLAG_IGNORE_EPHEMERAL) != 0) { 5841 return false; 5842 } 5843 if (!skipPackageCheck && intent.getPackage() != null) { 5844 return false; 5845 } 5846 final boolean isWebUri = hasWebURI(intent); 5847 if (!isWebUri || intent.getData().getHost() == null) { 5848 return false; 5849 } 5850 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 5851 // Or if there's already an ephemeral app installed that handles the action 5852 synchronized (mPackages) { 5853 final int count = (resolvedActivities == null ? 0 : resolvedActivities.size()); 5854 for (int n = 0; n < count; n++) { 5855 final ResolveInfo info = resolvedActivities.get(n); 5856 final String packageName = info.activityInfo.packageName; 5857 final PackageSetting ps = mSettings.mPackages.get(packageName); 5858 if (ps != null) { 5859 // only check domain verification status if the app is not a browser 5860 if (!info.handleAllWebDataURI) { 5861 // Try to get the status from User settings first 5862 final long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5863 final int status = (int) (packedStatus >> 32); 5864 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 5865 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5866 if (DEBUG_EPHEMERAL) { 5867 Slog.v(TAG, "DENY instant app;" 5868 + " pkg: " + packageName + ", status: " + status); 5869 } 5870 return false; 5871 } 5872 } 5873 if (ps.getInstantApp(userId)) { 5874 if (DEBUG_EPHEMERAL) { 5875 Slog.v(TAG, "DENY instant app installed;" 5876 + " pkg: " + packageName); 5877 } 5878 return false; 5879 } 5880 } 5881 } 5882 } 5883 // We've exhausted all ways to deny ephemeral application; let the system look for them. 5884 return true; 5885 } 5886 5887 private void requestInstantAppResolutionPhaseTwo(AuxiliaryResolveInfo responseObj, 5888 Intent origIntent, String resolvedType, String callingPackage, 5889 Bundle verificationBundle, int userId) { 5890 final Message msg = mHandler.obtainMessage(INSTANT_APP_RESOLUTION_PHASE_TWO, 5891 new InstantAppRequest(responseObj, origIntent, resolvedType, 5892 callingPackage, userId, verificationBundle, false /*resolveForStart*/)); 5893 mHandler.sendMessage(msg); 5894 } 5895 5896 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 5897 int flags, List<ResolveInfo> query, int userId) { 5898 if (query != null) { 5899 final int N = query.size(); 5900 if (N == 1) { 5901 return query.get(0); 5902 } else if (N > 1) { 5903 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 5904 // If there is more than one activity with the same priority, 5905 // then let the user decide between them. 5906 ResolveInfo r0 = query.get(0); 5907 ResolveInfo r1 = query.get(1); 5908 if (DEBUG_INTENT_MATCHING || debug) { 5909 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 5910 + r1.activityInfo.name + "=" + r1.priority); 5911 } 5912 // If the first activity has a higher priority, or a different 5913 // default, then it is always desirable to pick it. 5914 if (r0.priority != r1.priority 5915 || r0.preferredOrder != r1.preferredOrder 5916 || r0.isDefault != r1.isDefault) { 5917 return query.get(0); 5918 } 5919 // If we have saved a preference for a preferred activity for 5920 // this Intent, use that. 5921 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5922 flags, query, r0.priority, true, false, debug, userId); 5923 if (ri != null) { 5924 return ri; 5925 } 5926 // If we have an ephemeral app, use it 5927 for (int i = 0; i < N; i++) { 5928 ri = query.get(i); 5929 if (ri.activityInfo.applicationInfo.isInstantApp()) { 5930 final String packageName = ri.activityInfo.packageName; 5931 final PackageSetting ps = mSettings.mPackages.get(packageName); 5932 final long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5933 final int status = (int)(packedStatus >> 32); 5934 if (status != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5935 return ri; 5936 } 5937 } 5938 } 5939 ri = new ResolveInfo(mResolveInfo); 5940 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5941 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5942 // If all of the options come from the same package, show the application's 5943 // label and icon instead of the generic resolver's. 5944 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 5945 // and then throw away the ResolveInfo itself, meaning that the caller loses 5946 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 5947 // a fallback for this case; we only set the target package's resources on 5948 // the ResolveInfo, not the ActivityInfo. 5949 final String intentPackage = intent.getPackage(); 5950 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 5951 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 5952 ri.resolvePackageName = intentPackage; 5953 if (userNeedsBadging(userId)) { 5954 ri.noResourceId = true; 5955 } else { 5956 ri.icon = appi.icon; 5957 } 5958 ri.iconResourceId = appi.icon; 5959 ri.labelRes = appi.labelRes; 5960 } 5961 ri.activityInfo.applicationInfo = new ApplicationInfo( 5962 ri.activityInfo.applicationInfo); 5963 if (userId != 0) { 5964 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5965 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5966 } 5967 // Make sure that the resolver is displayable in car mode 5968 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5969 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5970 return ri; 5971 } 5972 } 5973 return null; 5974 } 5975 5976 /** 5977 * Return true if the given list is not empty and all of its contents have 5978 * an activityInfo with the given package name. 5979 */ 5980 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 5981 if (ArrayUtils.isEmpty(list)) { 5982 return false; 5983 } 5984 for (int i = 0, N = list.size(); i < N; i++) { 5985 final ResolveInfo ri = list.get(i); 5986 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 5987 if (ai == null || !packageName.equals(ai.packageName)) { 5988 return false; 5989 } 5990 } 5991 return true; 5992 } 5993 5994 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5995 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5996 final int N = query.size(); 5997 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5998 .get(userId); 5999 // Get the list of persistent preferred activities that handle the intent 6000 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 6001 List<PersistentPreferredActivity> pprefs = ppir != null 6002 ? ppir.queryIntent(intent, resolvedType, 6003 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 6004 userId) 6005 : null; 6006 if (pprefs != null && pprefs.size() > 0) { 6007 final int M = pprefs.size(); 6008 for (int i=0; i<M; i++) { 6009 final PersistentPreferredActivity ppa = pprefs.get(i); 6010 if (DEBUG_PREFERRED || debug) { 6011 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 6012 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 6013 + "\n component=" + ppa.mComponent); 6014 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 6015 } 6016 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 6017 flags | MATCH_DISABLED_COMPONENTS, userId); 6018 if (DEBUG_PREFERRED || debug) { 6019 Slog.v(TAG, "Found persistent preferred activity:"); 6020 if (ai != null) { 6021 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 6022 } else { 6023 Slog.v(TAG, " null"); 6024 } 6025 } 6026 if (ai == null) { 6027 // This previously registered persistent preferred activity 6028 // component is no longer known. Ignore it and do NOT remove it. 6029 continue; 6030 } 6031 for (int j=0; j<N; j++) { 6032 final ResolveInfo ri = query.get(j); 6033 if (!ri.activityInfo.applicationInfo.packageName 6034 .equals(ai.applicationInfo.packageName)) { 6035 continue; 6036 } 6037 if (!ri.activityInfo.name.equals(ai.name)) { 6038 continue; 6039 } 6040 // Found a persistent preference that can handle the intent. 6041 if (DEBUG_PREFERRED || debug) { 6042 Slog.v(TAG, "Returning persistent preferred activity: " + 6043 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 6044 } 6045 return ri; 6046 } 6047 } 6048 } 6049 return null; 6050 } 6051 6052 // TODO: handle preferred activities missing while user has amnesia 6053 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 6054 List<ResolveInfo> query, int priority, boolean always, 6055 boolean removeMatches, boolean debug, int userId) { 6056 if (!sUserManager.exists(userId)) return null; 6057 final int callingUid = Binder.getCallingUid(); 6058 flags = updateFlagsForResolve( 6059 flags, userId, intent, callingUid, false /*includeInstantApps*/); 6060 intent = updateIntentForResolve(intent); 6061 // writer 6062 synchronized (mPackages) { 6063 // Try to find a matching persistent preferred activity. 6064 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 6065 debug, userId); 6066 6067 // If a persistent preferred activity matched, use it. 6068 if (pri != null) { 6069 return pri; 6070 } 6071 6072 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 6073 // Get the list of preferred activities that handle the intent 6074 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 6075 List<PreferredActivity> prefs = pir != null 6076 ? pir.queryIntent(intent, resolvedType, 6077 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 6078 userId) 6079 : null; 6080 if (prefs != null && prefs.size() > 0) { 6081 boolean changed = false; 6082 try { 6083 // First figure out how good the original match set is. 6084 // We will only allow preferred activities that came 6085 // from the same match quality. 6086 int match = 0; 6087 6088 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 6089 6090 final int N = query.size(); 6091 for (int j=0; j<N; j++) { 6092 final ResolveInfo ri = query.get(j); 6093 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 6094 + ": 0x" + Integer.toHexString(match)); 6095 if (ri.match > match) { 6096 match = ri.match; 6097 } 6098 } 6099 6100 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 6101 + Integer.toHexString(match)); 6102 6103 match &= IntentFilter.MATCH_CATEGORY_MASK; 6104 final int M = prefs.size(); 6105 for (int i=0; i<M; i++) { 6106 final PreferredActivity pa = prefs.get(i); 6107 if (DEBUG_PREFERRED || debug) { 6108 Slog.v(TAG, "Checking PreferredActivity ds=" 6109 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 6110 + "\n component=" + pa.mPref.mComponent); 6111 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 6112 } 6113 if (pa.mPref.mMatch != match) { 6114 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 6115 + Integer.toHexString(pa.mPref.mMatch)); 6116 continue; 6117 } 6118 // If it's not an "always" type preferred activity and that's what we're 6119 // looking for, skip it. 6120 if (always && !pa.mPref.mAlways) { 6121 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 6122 continue; 6123 } 6124 final ActivityInfo ai = getActivityInfo( 6125 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 6126 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 6127 userId); 6128 if (DEBUG_PREFERRED || debug) { 6129 Slog.v(TAG, "Found preferred activity:"); 6130 if (ai != null) { 6131 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 6132 } else { 6133 Slog.v(TAG, " null"); 6134 } 6135 } 6136 if (ai == null) { 6137 // This previously registered preferred activity 6138 // component is no longer known. Most likely an update 6139 // to the app was installed and in the new version this 6140 // component no longer exists. Clean it up by removing 6141 // it from the preferred activities list, and skip it. 6142 Slog.w(TAG, "Removing dangling preferred activity: " 6143 + pa.mPref.mComponent); 6144 pir.removeFilter(pa); 6145 changed = true; 6146 continue; 6147 } 6148 for (int j=0; j<N; j++) { 6149 final ResolveInfo ri = query.get(j); 6150 if (!ri.activityInfo.applicationInfo.packageName 6151 .equals(ai.applicationInfo.packageName)) { 6152 continue; 6153 } 6154 if (!ri.activityInfo.name.equals(ai.name)) { 6155 continue; 6156 } 6157 6158 if (removeMatches) { 6159 pir.removeFilter(pa); 6160 changed = true; 6161 if (DEBUG_PREFERRED) { 6162 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 6163 } 6164 break; 6165 } 6166 6167 // Okay we found a previously set preferred or last chosen app. 6168 // If the result set is different from when this 6169 // was created, and is not a subset of the preferred set, we need to 6170 // clear it and re-ask the user their preference, if we're looking for 6171 // an "always" type entry. 6172 if (always && !pa.mPref.sameSet(query)) { 6173 if (pa.mPref.isSuperset(query)) { 6174 // some components of the set are no longer present in 6175 // the query, but the preferred activity can still be reused 6176 if (DEBUG_PREFERRED) { 6177 Slog.i(TAG, "Result set changed, but PreferredActivity is" 6178 + " still valid as only non-preferred components" 6179 + " were removed for " + intent + " type " 6180 + resolvedType); 6181 } 6182 // remove obsolete components and re-add the up-to-date filter 6183 PreferredActivity freshPa = new PreferredActivity(pa, 6184 pa.mPref.mMatch, 6185 pa.mPref.discardObsoleteComponents(query), 6186 pa.mPref.mComponent, 6187 pa.mPref.mAlways); 6188 pir.removeFilter(pa); 6189 pir.addFilter(freshPa); 6190 changed = true; 6191 } else { 6192 Slog.i(TAG, 6193 "Result set changed, dropping preferred activity for " 6194 + intent + " type " + resolvedType); 6195 if (DEBUG_PREFERRED) { 6196 Slog.v(TAG, "Removing preferred activity since set changed " 6197 + pa.mPref.mComponent); 6198 } 6199 pir.removeFilter(pa); 6200 // Re-add the filter as a "last chosen" entry (!always) 6201 PreferredActivity lastChosen = new PreferredActivity( 6202 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 6203 pir.addFilter(lastChosen); 6204 changed = true; 6205 return null; 6206 } 6207 } 6208 6209 // Yay! Either the set matched or we're looking for the last chosen 6210 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 6211 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 6212 return ri; 6213 } 6214 } 6215 } finally { 6216 if (changed) { 6217 if (DEBUG_PREFERRED) { 6218 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 6219 } 6220 scheduleWritePackageRestrictionsLocked(userId); 6221 } 6222 } 6223 } 6224 } 6225 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 6226 return null; 6227 } 6228 6229 /* 6230 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 6231 */ 6232 @Override 6233 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 6234 int targetUserId) { 6235 mContext.enforceCallingOrSelfPermission( 6236 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 6237 List<CrossProfileIntentFilter> matches = 6238 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 6239 if (matches != null) { 6240 int size = matches.size(); 6241 for (int i = 0; i < size; i++) { 6242 if (matches.get(i).getTargetUserId() == targetUserId) return true; 6243 } 6244 } 6245 if (hasWebURI(intent)) { 6246 // cross-profile app linking works only towards the parent. 6247 final int callingUid = Binder.getCallingUid(); 6248 final UserInfo parent = getProfileParent(sourceUserId); 6249 synchronized(mPackages) { 6250 int flags = updateFlagsForResolve(0, parent.id, intent, callingUid, 6251 false /*includeInstantApps*/); 6252 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 6253 intent, resolvedType, flags, sourceUserId, parent.id); 6254 return xpDomainInfo != null; 6255 } 6256 } 6257 return false; 6258 } 6259 6260 private UserInfo getProfileParent(int userId) { 6261 final long identity = Binder.clearCallingIdentity(); 6262 try { 6263 return sUserManager.getProfileParent(userId); 6264 } finally { 6265 Binder.restoreCallingIdentity(identity); 6266 } 6267 } 6268 6269 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 6270 String resolvedType, int userId) { 6271 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 6272 if (resolver != null) { 6273 return resolver.queryIntent(intent, resolvedType, false /*defaultOnly*/, userId); 6274 } 6275 return null; 6276 } 6277 6278 @Override 6279 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 6280 String resolvedType, int flags, int userId) { 6281 try { 6282 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 6283 6284 return new ParceledListSlice<>( 6285 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 6286 } finally { 6287 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6288 } 6289 } 6290 6291 /** 6292 * Returns the package name of the calling Uid if it's an instant app. If it isn't 6293 * instant, returns {@code null}. 6294 */ 6295 private String getInstantAppPackageName(int callingUid) { 6296 synchronized (mPackages) { 6297 // If the caller is an isolated app use the owner's uid for the lookup. 6298 if (Process.isIsolated(callingUid)) { 6299 callingUid = mIsolatedOwners.get(callingUid); 6300 } 6301 final int appId = UserHandle.getAppId(callingUid); 6302 final Object obj = mSettings.getUserIdLPr(appId); 6303 if (obj instanceof PackageSetting) { 6304 final PackageSetting ps = (PackageSetting) obj; 6305 final boolean isInstantApp = ps.getInstantApp(UserHandle.getUserId(callingUid)); 6306 return isInstantApp ? ps.pkg.packageName : null; 6307 } 6308 } 6309 return null; 6310 } 6311 6312 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 6313 String resolvedType, int flags, int userId) { 6314 return queryIntentActivitiesInternal( 6315 intent, resolvedType, flags, Binder.getCallingUid(), userId, 6316 false /*resolveForStart*/, true /*allowDynamicSplits*/); 6317 } 6318 6319 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 6320 String resolvedType, int flags, int filterCallingUid, int userId, 6321 boolean resolveForStart, boolean allowDynamicSplits) { 6322 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6323 final String instantAppPkgName = getInstantAppPackageName(filterCallingUid); 6324 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 6325 false /* requireFullPermission */, false /* checkShell */, 6326 "query intent activities"); 6327 final String pkgName = intent.getPackage(); 6328 ComponentName comp = intent.getComponent(); 6329 if (comp == null) { 6330 if (intent.getSelector() != null) { 6331 intent = intent.getSelector(); 6332 comp = intent.getComponent(); 6333 } 6334 } 6335 6336 flags = updateFlagsForResolve(flags, userId, intent, filterCallingUid, resolveForStart, 6337 comp != null || pkgName != null /*onlyExposedExplicitly*/); 6338 if (comp != null) { 6339 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6340 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 6341 if (ai != null) { 6342 // When specifying an explicit component, we prevent the activity from being 6343 // used when either 1) the calling package is normal and the activity is within 6344 // an ephemeral application or 2) the calling package is ephemeral and the 6345 // activity is not visible to ephemeral applications. 6346 final boolean matchInstantApp = 6347 (flags & PackageManager.MATCH_INSTANT) != 0; 6348 final boolean matchVisibleToInstantAppOnly = 6349 (flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 6350 final boolean matchExplicitlyVisibleOnly = 6351 (flags & PackageManager.MATCH_EXPLICITLY_VISIBLE_ONLY) != 0; 6352 final boolean isCallerInstantApp = 6353 instantAppPkgName != null; 6354 final boolean isTargetSameInstantApp = 6355 comp.getPackageName().equals(instantAppPkgName); 6356 final boolean isTargetInstantApp = 6357 (ai.applicationInfo.privateFlags 6358 & ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0; 6359 final boolean isTargetVisibleToInstantApp = 6360 (ai.flags & ActivityInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0; 6361 final boolean isTargetExplicitlyVisibleToInstantApp = 6362 isTargetVisibleToInstantApp 6363 && (ai.flags & ActivityInfo.FLAG_IMPLICITLY_VISIBLE_TO_INSTANT_APP) == 0; 6364 final boolean isTargetHiddenFromInstantApp = 6365 !isTargetVisibleToInstantApp 6366 || (matchExplicitlyVisibleOnly && !isTargetExplicitlyVisibleToInstantApp); 6367 final boolean blockResolution = 6368 !isTargetSameInstantApp 6369 && ((!matchInstantApp && !isCallerInstantApp && isTargetInstantApp) 6370 || (matchVisibleToInstantAppOnly && isCallerInstantApp 6371 && isTargetHiddenFromInstantApp)); 6372 if (!blockResolution) { 6373 final ResolveInfo ri = new ResolveInfo(); 6374 ri.activityInfo = ai; 6375 list.add(ri); 6376 } 6377 } 6378 return applyPostResolutionFilter( 6379 list, instantAppPkgName, allowDynamicSplits, filterCallingUid, userId); 6380 } 6381 6382 // reader 6383 boolean sortResult = false; 6384 boolean addEphemeral = false; 6385 List<ResolveInfo> result; 6386 final boolean ephemeralDisabled = isEphemeralDisabled(); 6387 synchronized (mPackages) { 6388 if (pkgName == null) { 6389 List<CrossProfileIntentFilter> matchingFilters = 6390 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 6391 // Check for results that need to skip the current profile. 6392 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 6393 resolvedType, flags, userId); 6394 if (xpResolveInfo != null) { 6395 List<ResolveInfo> xpResult = new ArrayList<ResolveInfo>(1); 6396 xpResult.add(xpResolveInfo); 6397 return applyPostResolutionFilter( 6398 filterIfNotSystemUser(xpResult, userId), instantAppPkgName, 6399 allowDynamicSplits, filterCallingUid, userId); 6400 } 6401 6402 // Check for results in the current profile. 6403 result = filterIfNotSystemUser(mActivities.queryIntent( 6404 intent, resolvedType, flags, userId), userId); 6405 addEphemeral = !ephemeralDisabled 6406 && isInstantAppAllowed(intent, result, userId, false /*skipPackageCheck*/); 6407 // Check for cross profile results. 6408 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 6409 xpResolveInfo = queryCrossProfileIntents( 6410 matchingFilters, intent, resolvedType, flags, userId, 6411 hasNonNegativePriorityResult); 6412 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 6413 boolean isVisibleToUser = filterIfNotSystemUser( 6414 Collections.singletonList(xpResolveInfo), userId).size() > 0; 6415 if (isVisibleToUser) { 6416 result.add(xpResolveInfo); 6417 sortResult = true; 6418 } 6419 } 6420 if (hasWebURI(intent)) { 6421 CrossProfileDomainInfo xpDomainInfo = null; 6422 final UserInfo parent = getProfileParent(userId); 6423 if (parent != null) { 6424 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 6425 flags, userId, parent.id); 6426 } 6427 if (xpDomainInfo != null) { 6428 if (xpResolveInfo != null) { 6429 // If we didn't remove it, the cross-profile ResolveInfo would be twice 6430 // in the result. 6431 result.remove(xpResolveInfo); 6432 } 6433 if (result.size() == 0 && !addEphemeral) { 6434 // No result in current profile, but found candidate in parent user. 6435 // And we are not going to add emphemeral app, so we can return the 6436 // result straight away. 6437 result.add(xpDomainInfo.resolveInfo); 6438 return applyPostResolutionFilter(result, instantAppPkgName, 6439 allowDynamicSplits, filterCallingUid, userId); 6440 } 6441 } else if (result.size() <= 1 && !addEphemeral) { 6442 // No result in parent user and <= 1 result in current profile, and we 6443 // are not going to add emphemeral app, so we can return the result without 6444 // further processing. 6445 return applyPostResolutionFilter(result, instantAppPkgName, 6446 allowDynamicSplits, filterCallingUid, userId); 6447 } 6448 // We have more than one candidate (combining results from current and parent 6449 // profile), so we need filtering and sorting. 6450 result = filterCandidatesWithDomainPreferredActivitiesLPr( 6451 intent, flags, result, xpDomainInfo, userId); 6452 sortResult = true; 6453 } 6454 } else { 6455 final PackageParser.Package pkg = mPackages.get(pkgName); 6456 result = null; 6457 if (pkg != null) { 6458 result = filterIfNotSystemUser( 6459 mActivities.queryIntentForPackage( 6460 intent, resolvedType, flags, pkg.activities, userId), 6461 userId); 6462 } 6463 if (result == null || result.size() == 0) { 6464 // the caller wants to resolve for a particular package; however, there 6465 // were no installed results, so, try to find an ephemeral result 6466 addEphemeral = !ephemeralDisabled 6467 && isInstantAppAllowed( 6468 intent, null /*result*/, userId, true /*skipPackageCheck*/); 6469 if (result == null) { 6470 result = new ArrayList<>(); 6471 } 6472 } 6473 } 6474 } 6475 if (addEphemeral) { 6476 result = maybeAddInstantAppInstaller( 6477 result, intent, resolvedType, flags, userId, resolveForStart); 6478 } 6479 if (sortResult) { 6480 Collections.sort(result, mResolvePrioritySorter); 6481 } 6482 return applyPostResolutionFilter( 6483 result, instantAppPkgName, allowDynamicSplits, filterCallingUid, userId); 6484 } 6485 6486 private List<ResolveInfo> maybeAddInstantAppInstaller(List<ResolveInfo> result, Intent intent, 6487 String resolvedType, int flags, int userId, boolean resolveForStart) { 6488 // first, check to see if we've got an instant app already installed 6489 final boolean alreadyResolvedLocally = (flags & PackageManager.MATCH_INSTANT) != 0; 6490 ResolveInfo localInstantApp = null; 6491 boolean blockResolution = false; 6492 if (!alreadyResolvedLocally) { 6493 final List<ResolveInfo> instantApps = mActivities.queryIntent(intent, resolvedType, 6494 flags 6495 | PackageManager.GET_RESOLVED_FILTER 6496 | PackageManager.MATCH_INSTANT 6497 | PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY, 6498 userId); 6499 for (int i = instantApps.size() - 1; i >= 0; --i) { 6500 final ResolveInfo info = instantApps.get(i); 6501 final String packageName = info.activityInfo.packageName; 6502 final PackageSetting ps = mSettings.mPackages.get(packageName); 6503 if (ps.getInstantApp(userId)) { 6504 final long packedStatus = getDomainVerificationStatusLPr(ps, userId); 6505 final int status = (int)(packedStatus >> 32); 6506 final int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 6507 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6508 // there's a local instant application installed, but, the user has 6509 // chosen to never use it; skip resolution and don't acknowledge 6510 // an instant application is even available 6511 if (DEBUG_EPHEMERAL) { 6512 Slog.v(TAG, "Instant app marked to never run; pkg: " + packageName); 6513 } 6514 blockResolution = true; 6515 break; 6516 } else { 6517 // we have a locally installed instant application; skip resolution 6518 // but acknowledge there's an instant application available 6519 if (DEBUG_EPHEMERAL) { 6520 Slog.v(TAG, "Found installed instant app; pkg: " + packageName); 6521 } 6522 localInstantApp = info; 6523 break; 6524 } 6525 } 6526 } 6527 } 6528 // no app installed, let's see if one's available 6529 AuxiliaryResolveInfo auxiliaryResponse = null; 6530 if (!blockResolution) { 6531 if (localInstantApp == null) { 6532 // we don't have an instant app locally, resolve externally 6533 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 6534 final InstantAppRequest requestObject = new InstantAppRequest( 6535 null /*responseObj*/, intent /*origIntent*/, resolvedType, 6536 null /*callingPackage*/, userId, null /*verificationBundle*/, 6537 resolveForStart); 6538 auxiliaryResponse = 6539 InstantAppResolver.doInstantAppResolutionPhaseOne( 6540 mContext, mInstantAppResolverConnection, requestObject); 6541 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6542 } else { 6543 // we have an instant application locally, but, we can't admit that since 6544 // callers shouldn't be able to determine prior browsing. create a dummy 6545 // auxiliary response so the downstream code behaves as if there's an 6546 // instant application available externally. when it comes time to start 6547 // the instant application, we'll do the right thing. 6548 final ApplicationInfo ai = localInstantApp.activityInfo.applicationInfo; 6549 auxiliaryResponse = new AuxiliaryResolveInfo( 6550 ai.packageName, null /*splitName*/, null /*failureActivity*/, 6551 ai.versionCode, null /*failureIntent*/); 6552 } 6553 } 6554 if (auxiliaryResponse != null) { 6555 if (DEBUG_EPHEMERAL) { 6556 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 6557 } 6558 final ResolveInfo ephemeralInstaller = new ResolveInfo(mInstantAppInstallerInfo); 6559 final PackageSetting ps = 6560 mSettings.mPackages.get(mInstantAppInstallerActivity.packageName); 6561 if (ps != null) { 6562 ephemeralInstaller.activityInfo = PackageParser.generateActivityInfo( 6563 mInstantAppInstallerActivity, 0, ps.readUserState(userId), userId); 6564 ephemeralInstaller.activityInfo.launchToken = auxiliaryResponse.token; 6565 ephemeralInstaller.auxiliaryInfo = auxiliaryResponse; 6566 // make sure this resolver is the default 6567 ephemeralInstaller.isDefault = true; 6568 ephemeralInstaller.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 6569 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 6570 // add a non-generic filter 6571 ephemeralInstaller.filter = new IntentFilter(intent.getAction()); 6572 ephemeralInstaller.filter.addDataPath( 6573 intent.getData().getPath(), PatternMatcher.PATTERN_LITERAL); 6574 ephemeralInstaller.isInstantAppAvailable = true; 6575 result.add(ephemeralInstaller); 6576 } 6577 } 6578 return result; 6579 } 6580 6581 private static class CrossProfileDomainInfo { 6582 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 6583 ResolveInfo resolveInfo; 6584 /* Best domain verification status of the activities found in the other profile */ 6585 int bestDomainVerificationStatus; 6586 } 6587 6588 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 6589 String resolvedType, int flags, int sourceUserId, int parentUserId) { 6590 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 6591 sourceUserId)) { 6592 return null; 6593 } 6594 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 6595 resolvedType, flags, parentUserId); 6596 6597 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 6598 return null; 6599 } 6600 CrossProfileDomainInfo result = null; 6601 int size = resultTargetUser.size(); 6602 for (int i = 0; i < size; i++) { 6603 ResolveInfo riTargetUser = resultTargetUser.get(i); 6604 // Intent filter verification is only for filters that specify a host. So don't return 6605 // those that handle all web uris. 6606 if (riTargetUser.handleAllWebDataURI) { 6607 continue; 6608 } 6609 String packageName = riTargetUser.activityInfo.packageName; 6610 PackageSetting ps = mSettings.mPackages.get(packageName); 6611 if (ps == null) { 6612 continue; 6613 } 6614 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 6615 int status = (int)(verificationState >> 32); 6616 if (result == null) { 6617 result = new CrossProfileDomainInfo(); 6618 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 6619 sourceUserId, parentUserId); 6620 result.bestDomainVerificationStatus = status; 6621 } else { 6622 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 6623 result.bestDomainVerificationStatus); 6624 } 6625 } 6626 // Don't consider matches with status NEVER across profiles. 6627 if (result != null && result.bestDomainVerificationStatus 6628 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6629 return null; 6630 } 6631 return result; 6632 } 6633 6634 /** 6635 * Verification statuses are ordered from the worse to the best, except for 6636 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 6637 */ 6638 private int bestDomainVerificationStatus(int status1, int status2) { 6639 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6640 return status2; 6641 } 6642 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6643 return status1; 6644 } 6645 return (int) MathUtils.max(status1, status2); 6646 } 6647 6648 private boolean isUserEnabled(int userId) { 6649 long callingId = Binder.clearCallingIdentity(); 6650 try { 6651 UserInfo userInfo = sUserManager.getUserInfo(userId); 6652 return userInfo != null && userInfo.isEnabled(); 6653 } finally { 6654 Binder.restoreCallingIdentity(callingId); 6655 } 6656 } 6657 6658 /** 6659 * Filter out activities with systemUserOnly flag set, when current user is not System. 6660 * 6661 * @return filtered list 6662 */ 6663 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 6664 if (userId == UserHandle.USER_SYSTEM) { 6665 return resolveInfos; 6666 } 6667 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 6668 ResolveInfo info = resolveInfos.get(i); 6669 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 6670 resolveInfos.remove(i); 6671 } 6672 } 6673 return resolveInfos; 6674 } 6675 6676 /** 6677 * Filters out ephemeral activities. 6678 * <p>When resolving for an ephemeral app, only activities that 1) are defined in the 6679 * ephemeral app or 2) marked with {@code visibleToEphemeral} are returned. 6680 * 6681 * @param resolveInfos The pre-filtered list of resolved activities 6682 * @param ephemeralPkgName The ephemeral package name. If {@code null}, no filtering 6683 * is performed. 6684 * @return A filtered list of resolved activities. 6685 */ 6686 private List<ResolveInfo> applyPostResolutionFilter(List<ResolveInfo> resolveInfos, 6687 String ephemeralPkgName, boolean allowDynamicSplits, int filterCallingUid, int userId) { 6688 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 6689 final ResolveInfo info = resolveInfos.get(i); 6690 // allow activities that are defined in the provided package 6691 if (allowDynamicSplits 6692 && info.activityInfo.splitName != null 6693 && !ArrayUtils.contains(info.activityInfo.applicationInfo.splitNames, 6694 info.activityInfo.splitName)) { 6695 if (mInstantAppInstallerInfo == null) { 6696 if (DEBUG_INSTALL) { 6697 Slog.v(TAG, "No installer - not adding it to the ResolveInfo list"); 6698 } 6699 resolveInfos.remove(i); 6700 continue; 6701 } 6702 // requested activity is defined in a split that hasn't been installed yet. 6703 // add the installer to the resolve list 6704 if (DEBUG_INSTALL) { 6705 Slog.v(TAG, "Adding installer to the ResolveInfo list"); 6706 } 6707 final ResolveInfo installerInfo = new ResolveInfo(mInstantAppInstallerInfo); 6708 final ComponentName installFailureActivity = findInstallFailureActivity( 6709 info.activityInfo.packageName, filterCallingUid, userId); 6710 installerInfo.auxiliaryInfo = new AuxiliaryResolveInfo( 6711 info.activityInfo.packageName, info.activityInfo.splitName, 6712 installFailureActivity, 6713 info.activityInfo.applicationInfo.versionCode, 6714 null /*failureIntent*/); 6715 installerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 6716 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 6717 // add a non-generic filter 6718 installerInfo.filter = new IntentFilter(); 6719 6720 // This resolve info may appear in the chooser UI, so let us make it 6721 // look as the one it replaces as far as the user is concerned which 6722 // requires loading the correct label and icon for the resolve info. 6723 installerInfo.resolvePackageName = info.getComponentInfo().packageName; 6724 installerInfo.labelRes = info.resolveLabelResId(); 6725 installerInfo.icon = info.resolveIconResId(); 6726 6727 // propagate priority/preferred order/default 6728 installerInfo.priority = info.priority; 6729 installerInfo.preferredOrder = info.preferredOrder; 6730 installerInfo.isDefault = info.isDefault; 6731 resolveInfos.set(i, installerInfo); 6732 continue; 6733 } 6734 // caller is a full app, don't need to apply any other filtering 6735 if (ephemeralPkgName == null) { 6736 continue; 6737 } else if (ephemeralPkgName.equals(info.activityInfo.packageName)) { 6738 // caller is same app; don't need to apply any other filtering 6739 continue; 6740 } 6741 // allow activities that have been explicitly exposed to ephemeral apps 6742 final boolean isEphemeralApp = info.activityInfo.applicationInfo.isInstantApp(); 6743 if (!isEphemeralApp 6744 && ((info.activityInfo.flags & ActivityInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0)) { 6745 continue; 6746 } 6747 resolveInfos.remove(i); 6748 } 6749 return resolveInfos; 6750 } 6751 6752 /** 6753 * Returns the activity component that can handle install failures. 6754 * <p>By default, the instant application installer handles failures. However, an 6755 * application may want to handle failures on its own. Applications do this by 6756 * creating an activity with an intent filter that handles the action 6757 * {@link Intent#ACTION_INSTALL_FAILURE}. 6758 */ 6759 private @Nullable ComponentName findInstallFailureActivity( 6760 String packageName, int filterCallingUid, int userId) { 6761 final Intent failureActivityIntent = new Intent(Intent.ACTION_INSTALL_FAILURE); 6762 failureActivityIntent.setPackage(packageName); 6763 // IMPORTANT: disallow dynamic splits to avoid an infinite loop 6764 final List<ResolveInfo> result = queryIntentActivitiesInternal( 6765 failureActivityIntent, null /*resolvedType*/, 0 /*flags*/, filterCallingUid, userId, 6766 false /*resolveForStart*/, false /*allowDynamicSplits*/); 6767 final int NR = result.size(); 6768 if (NR > 0) { 6769 for (int i = 0; i < NR; i++) { 6770 final ResolveInfo info = result.get(i); 6771 if (info.activityInfo.splitName != null) { 6772 continue; 6773 } 6774 return new ComponentName(packageName, info.activityInfo.name); 6775 } 6776 } 6777 return null; 6778 } 6779 6780 /** 6781 * @param resolveInfos list of resolve infos in descending priority order 6782 * @return if the list contains a resolve info with non-negative priority 6783 */ 6784 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 6785 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 6786 } 6787 6788 private static boolean hasWebURI(Intent intent) { 6789 if (intent.getData() == null) { 6790 return false; 6791 } 6792 final String scheme = intent.getScheme(); 6793 if (TextUtils.isEmpty(scheme)) { 6794 return false; 6795 } 6796 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 6797 } 6798 6799 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 6800 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 6801 int userId) { 6802 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 6803 6804 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 6805 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 6806 candidates.size()); 6807 } 6808 6809 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 6810 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 6811 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 6812 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 6813 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 6814 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 6815 6816 synchronized (mPackages) { 6817 final int count = candidates.size(); 6818 // First, try to use linked apps. Partition the candidates into four lists: 6819 // one for the final results, one for the "do not use ever", one for "undefined status" 6820 // and finally one for "browser app type". 6821 for (int n=0; n<count; n++) { 6822 ResolveInfo info = candidates.get(n); 6823 String packageName = info.activityInfo.packageName; 6824 PackageSetting ps = mSettings.mPackages.get(packageName); 6825 if (ps != null) { 6826 // Add to the special match all list (Browser use case) 6827 if (info.handleAllWebDataURI) { 6828 matchAllList.add(info); 6829 continue; 6830 } 6831 // Try to get the status from User settings first 6832 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 6833 int status = (int)(packedStatus >> 32); 6834 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 6835 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 6836 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6837 Slog.i(TAG, " + always: " + info.activityInfo.packageName 6838 + " : linkgen=" + linkGeneration); 6839 } 6840 // Use link-enabled generation as preferredOrder, i.e. 6841 // prefer newly-enabled over earlier-enabled. 6842 info.preferredOrder = linkGeneration; 6843 alwaysList.add(info); 6844 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6845 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6846 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 6847 } 6848 neverList.add(info); 6849 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 6850 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6851 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 6852 } 6853 alwaysAskList.add(info); 6854 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 6855 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 6856 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6857 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 6858 } 6859 undefinedList.add(info); 6860 } 6861 } 6862 } 6863 6864 // We'll want to include browser possibilities in a few cases 6865 boolean includeBrowser = false; 6866 6867 // First try to add the "always" resolution(s) for the current user, if any 6868 if (alwaysList.size() > 0) { 6869 result.addAll(alwaysList); 6870 } else { 6871 // Add all undefined apps as we want them to appear in the disambiguation dialog. 6872 result.addAll(undefinedList); 6873 // Maybe add one for the other profile. 6874 if (xpDomainInfo != null && ( 6875 xpDomainInfo.bestDomainVerificationStatus 6876 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 6877 result.add(xpDomainInfo.resolveInfo); 6878 } 6879 includeBrowser = true; 6880 } 6881 6882 // The presence of any 'always ask' alternatives means we'll also offer browsers. 6883 // If there were 'always' entries their preferred order has been set, so we also 6884 // back that off to make the alternatives equivalent 6885 if (alwaysAskList.size() > 0) { 6886 for (ResolveInfo i : result) { 6887 i.preferredOrder = 0; 6888 } 6889 result.addAll(alwaysAskList); 6890 includeBrowser = true; 6891 } 6892 6893 if (includeBrowser) { 6894 // Also add browsers (all of them or only the default one) 6895 if (DEBUG_DOMAIN_VERIFICATION) { 6896 Slog.v(TAG, " ...including browsers in candidate set"); 6897 } 6898 if ((matchFlags & MATCH_ALL) != 0) { 6899 result.addAll(matchAllList); 6900 } else { 6901 // Browser/generic handling case. If there's a default browser, go straight 6902 // to that (but only if there is no other higher-priority match). 6903 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 6904 int maxMatchPrio = 0; 6905 ResolveInfo defaultBrowserMatch = null; 6906 final int numCandidates = matchAllList.size(); 6907 for (int n = 0; n < numCandidates; n++) { 6908 ResolveInfo info = matchAllList.get(n); 6909 // track the highest overall match priority... 6910 if (info.priority > maxMatchPrio) { 6911 maxMatchPrio = info.priority; 6912 } 6913 // ...and the highest-priority default browser match 6914 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 6915 if (defaultBrowserMatch == null 6916 || (defaultBrowserMatch.priority < info.priority)) { 6917 if (debug) { 6918 Slog.v(TAG, "Considering default browser match " + info); 6919 } 6920 defaultBrowserMatch = info; 6921 } 6922 } 6923 } 6924 if (defaultBrowserMatch != null 6925 && defaultBrowserMatch.priority >= maxMatchPrio 6926 && !TextUtils.isEmpty(defaultBrowserPackageName)) 6927 { 6928 if (debug) { 6929 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 6930 } 6931 result.add(defaultBrowserMatch); 6932 } else { 6933 result.addAll(matchAllList); 6934 } 6935 } 6936 6937 // If there is nothing selected, add all candidates and remove the ones that the user 6938 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 6939 if (result.size() == 0) { 6940 result.addAll(candidates); 6941 result.removeAll(neverList); 6942 } 6943 } 6944 } 6945 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 6946 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 6947 result.size()); 6948 for (ResolveInfo info : result) { 6949 Slog.v(TAG, " + " + info.activityInfo); 6950 } 6951 } 6952 return result; 6953 } 6954 6955 // Returns a packed value as a long: 6956 // 6957 // high 'int'-sized word: link status: undefined/ask/never/always. 6958 // low 'int'-sized word: relative priority among 'always' results. 6959 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 6960 long result = ps.getDomainVerificationStatusForUser(userId); 6961 // if none available, get the master status 6962 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 6963 if (ps.getIntentFilterVerificationInfo() != null) { 6964 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 6965 } 6966 } 6967 return result; 6968 } 6969 6970 private ResolveInfo querySkipCurrentProfileIntents( 6971 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 6972 int flags, int sourceUserId) { 6973 if (matchingFilters != null) { 6974 int size = matchingFilters.size(); 6975 for (int i = 0; i < size; i ++) { 6976 CrossProfileIntentFilter filter = matchingFilters.get(i); 6977 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 6978 // Checking if there are activities in the target user that can handle the 6979 // intent. 6980 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 6981 resolvedType, flags, sourceUserId); 6982 if (resolveInfo != null) { 6983 return resolveInfo; 6984 } 6985 } 6986 } 6987 } 6988 return null; 6989 } 6990 6991 // Return matching ResolveInfo in target user if any. 6992 private ResolveInfo queryCrossProfileIntents( 6993 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 6994 int flags, int sourceUserId, boolean matchInCurrentProfile) { 6995 if (matchingFilters != null) { 6996 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 6997 // match the same intent. For performance reasons, it is better not to 6998 // run queryIntent twice for the same userId 6999 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 7000 int size = matchingFilters.size(); 7001 for (int i = 0; i < size; i++) { 7002 CrossProfileIntentFilter filter = matchingFilters.get(i); 7003 int targetUserId = filter.getTargetUserId(); 7004 boolean skipCurrentProfile = 7005 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 7006 boolean skipCurrentProfileIfNoMatchFound = 7007 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 7008 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 7009 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 7010 // Checking if there are activities in the target user that can handle the 7011 // intent. 7012 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 7013 resolvedType, flags, sourceUserId); 7014 if (resolveInfo != null) return resolveInfo; 7015 alreadyTriedUserIds.put(targetUserId, true); 7016 } 7017 } 7018 } 7019 return null; 7020 } 7021 7022 /** 7023 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 7024 * will forward the intent to the filter's target user. 7025 * Otherwise, returns null. 7026 */ 7027 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 7028 String resolvedType, int flags, int sourceUserId) { 7029 int targetUserId = filter.getTargetUserId(); 7030 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 7031 resolvedType, flags, targetUserId); 7032 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 7033 // If all the matches in the target profile are suspended, return null. 7034 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 7035 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 7036 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 7037 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 7038 targetUserId); 7039 } 7040 } 7041 } 7042 return null; 7043 } 7044 7045 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 7046 int sourceUserId, int targetUserId) { 7047 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 7048 long ident = Binder.clearCallingIdentity(); 7049 boolean targetIsProfile; 7050 try { 7051 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 7052 } finally { 7053 Binder.restoreCallingIdentity(ident); 7054 } 7055 String className; 7056 if (targetIsProfile) { 7057 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 7058 } else { 7059 className = FORWARD_INTENT_TO_PARENT; 7060 } 7061 ComponentName forwardingActivityComponentName = new ComponentName( 7062 mAndroidApplication.packageName, className); 7063 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 7064 sourceUserId); 7065 if (!targetIsProfile) { 7066 forwardingActivityInfo.showUserIcon = targetUserId; 7067 forwardingResolveInfo.noResourceId = true; 7068 } 7069 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 7070 forwardingResolveInfo.priority = 0; 7071 forwardingResolveInfo.preferredOrder = 0; 7072 forwardingResolveInfo.match = 0; 7073 forwardingResolveInfo.isDefault = true; 7074 forwardingResolveInfo.filter = filter; 7075 forwardingResolveInfo.targetUserId = targetUserId; 7076 return forwardingResolveInfo; 7077 } 7078 7079 @Override 7080 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 7081 Intent[] specifics, String[] specificTypes, Intent intent, 7082 String resolvedType, int flags, int userId) { 7083 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 7084 specificTypes, intent, resolvedType, flags, userId)); 7085 } 7086 7087 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 7088 Intent[] specifics, String[] specificTypes, Intent intent, 7089 String resolvedType, int flags, int userId) { 7090 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7091 final int callingUid = Binder.getCallingUid(); 7092 flags = updateFlagsForResolve(flags, userId, intent, callingUid, 7093 false /*includeInstantApps*/); 7094 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 7095 false /*requireFullPermission*/, false /*checkShell*/, 7096 "query intent activity options"); 7097 final String resultsAction = intent.getAction(); 7098 7099 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 7100 | PackageManager.GET_RESOLVED_FILTER, userId); 7101 7102 if (DEBUG_INTENT_MATCHING) { 7103 Log.v(TAG, "Query " + intent + ": " + results); 7104 } 7105 7106 int specificsPos = 0; 7107 int N; 7108 7109 // todo: note that the algorithm used here is O(N^2). This 7110 // isn't a problem in our current environment, but if we start running 7111 // into situations where we have more than 5 or 10 matches then this 7112 // should probably be changed to something smarter... 7113 7114 // First we go through and resolve each of the specific items 7115 // that were supplied, taking care of removing any corresponding 7116 // duplicate items in the generic resolve list. 7117 if (specifics != null) { 7118 for (int i=0; i<specifics.length; i++) { 7119 final Intent sintent = specifics[i]; 7120 if (sintent == null) { 7121 continue; 7122 } 7123 7124 if (DEBUG_INTENT_MATCHING) { 7125 Log.v(TAG, "Specific #" + i + ": " + sintent); 7126 } 7127 7128 String action = sintent.getAction(); 7129 if (resultsAction != null && resultsAction.equals(action)) { 7130 // If this action was explicitly requested, then don't 7131 // remove things that have it. 7132 action = null; 7133 } 7134 7135 ResolveInfo ri = null; 7136 ActivityInfo ai = null; 7137 7138 ComponentName comp = sintent.getComponent(); 7139 if (comp == null) { 7140 ri = resolveIntent( 7141 sintent, 7142 specificTypes != null ? specificTypes[i] : null, 7143 flags, userId); 7144 if (ri == null) { 7145 continue; 7146 } 7147 if (ri == mResolveInfo) { 7148 // ACK! Must do something better with this. 7149 } 7150 ai = ri.activityInfo; 7151 comp = new ComponentName(ai.applicationInfo.packageName, 7152 ai.name); 7153 } else { 7154 ai = getActivityInfo(comp, flags, userId); 7155 if (ai == null) { 7156 continue; 7157 } 7158 } 7159 7160 // Look for any generic query activities that are duplicates 7161 // of this specific one, and remove them from the results. 7162 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 7163 N = results.size(); 7164 int j; 7165 for (j=specificsPos; j<N; j++) { 7166 ResolveInfo sri = results.get(j); 7167 if ((sri.activityInfo.name.equals(comp.getClassName()) 7168 && sri.activityInfo.applicationInfo.packageName.equals( 7169 comp.getPackageName())) 7170 || (action != null && sri.filter.matchAction(action))) { 7171 results.remove(j); 7172 if (DEBUG_INTENT_MATCHING) Log.v( 7173 TAG, "Removing duplicate item from " + j 7174 + " due to specific " + specificsPos); 7175 if (ri == null) { 7176 ri = sri; 7177 } 7178 j--; 7179 N--; 7180 } 7181 } 7182 7183 // Add this specific item to its proper place. 7184 if (ri == null) { 7185 ri = new ResolveInfo(); 7186 ri.activityInfo = ai; 7187 } 7188 results.add(specificsPos, ri); 7189 ri.specificIndex = i; 7190 specificsPos++; 7191 } 7192 } 7193 7194 // Now we go through the remaining generic results and remove any 7195 // duplicate actions that are found here. 7196 N = results.size(); 7197 for (int i=specificsPos; i<N-1; i++) { 7198 final ResolveInfo rii = results.get(i); 7199 if (rii.filter == null) { 7200 continue; 7201 } 7202 7203 // Iterate over all of the actions of this result's intent 7204 // filter... typically this should be just one. 7205 final Iterator<String> it = rii.filter.actionsIterator(); 7206 if (it == null) { 7207 continue; 7208 } 7209 while (it.hasNext()) { 7210 final String action = it.next(); 7211 if (resultsAction != null && resultsAction.equals(action)) { 7212 // If this action was explicitly requested, then don't 7213 // remove things that have it. 7214 continue; 7215 } 7216 for (int j=i+1; j<N; j++) { 7217 final ResolveInfo rij = results.get(j); 7218 if (rij.filter != null && rij.filter.hasAction(action)) { 7219 results.remove(j); 7220 if (DEBUG_INTENT_MATCHING) Log.v( 7221 TAG, "Removing duplicate item from " + j 7222 + " due to action " + action + " at " + i); 7223 j--; 7224 N--; 7225 } 7226 } 7227 } 7228 7229 // If the caller didn't request filter information, drop it now 7230 // so we don't have to marshall/unmarshall it. 7231 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 7232 rii.filter = null; 7233 } 7234 } 7235 7236 // Filter out the caller activity if so requested. 7237 if (caller != null) { 7238 N = results.size(); 7239 for (int i=0; i<N; i++) { 7240 ActivityInfo ainfo = results.get(i).activityInfo; 7241 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 7242 && caller.getClassName().equals(ainfo.name)) { 7243 results.remove(i); 7244 break; 7245 } 7246 } 7247 } 7248 7249 // If the caller didn't request filter information, 7250 // drop them now so we don't have to 7251 // marshall/unmarshall it. 7252 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 7253 N = results.size(); 7254 for (int i=0; i<N; i++) { 7255 results.get(i).filter = null; 7256 } 7257 } 7258 7259 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 7260 return results; 7261 } 7262 7263 @Override 7264 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 7265 String resolvedType, int flags, int userId) { 7266 return new ParceledListSlice<>( 7267 queryIntentReceiversInternal(intent, resolvedType, flags, userId, 7268 false /*allowDynamicSplits*/)); 7269 } 7270 7271 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 7272 String resolvedType, int flags, int userId, boolean allowDynamicSplits) { 7273 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7274 final int callingUid = Binder.getCallingUid(); 7275 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 7276 false /*requireFullPermission*/, false /*checkShell*/, 7277 "query intent receivers"); 7278 final String instantAppPkgName = getInstantAppPackageName(callingUid); 7279 flags = updateFlagsForResolve(flags, userId, intent, callingUid, 7280 false /*includeInstantApps*/); 7281 ComponentName comp = intent.getComponent(); 7282 if (comp == null) { 7283 if (intent.getSelector() != null) { 7284 intent = intent.getSelector(); 7285 comp = intent.getComponent(); 7286 } 7287 } 7288 if (comp != null) { 7289 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 7290 final ActivityInfo ai = getReceiverInfo(comp, flags, userId); 7291 if (ai != null) { 7292 // When specifying an explicit component, we prevent the activity from being 7293 // used when either 1) the calling package is normal and the activity is within 7294 // an instant application or 2) the calling package is ephemeral and the 7295 // activity is not visible to instant applications. 7296 final boolean matchInstantApp = 7297 (flags & PackageManager.MATCH_INSTANT) != 0; 7298 final boolean matchVisibleToInstantAppOnly = 7299 (flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 7300 final boolean matchExplicitlyVisibleOnly = 7301 (flags & PackageManager.MATCH_EXPLICITLY_VISIBLE_ONLY) != 0; 7302 final boolean isCallerInstantApp = 7303 instantAppPkgName != null; 7304 final boolean isTargetSameInstantApp = 7305 comp.getPackageName().equals(instantAppPkgName); 7306 final boolean isTargetInstantApp = 7307 (ai.applicationInfo.privateFlags 7308 & ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0; 7309 final boolean isTargetVisibleToInstantApp = 7310 (ai.flags & ActivityInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0; 7311 final boolean isTargetExplicitlyVisibleToInstantApp = 7312 isTargetVisibleToInstantApp 7313 && (ai.flags & ActivityInfo.FLAG_IMPLICITLY_VISIBLE_TO_INSTANT_APP) == 0; 7314 final boolean isTargetHiddenFromInstantApp = 7315 !isTargetVisibleToInstantApp 7316 || (matchExplicitlyVisibleOnly && !isTargetExplicitlyVisibleToInstantApp); 7317 final boolean blockResolution = 7318 !isTargetSameInstantApp 7319 && ((!matchInstantApp && !isCallerInstantApp && isTargetInstantApp) 7320 || (matchVisibleToInstantAppOnly && isCallerInstantApp 7321 && isTargetHiddenFromInstantApp)); 7322 if (!blockResolution) { 7323 ResolveInfo ri = new ResolveInfo(); 7324 ri.activityInfo = ai; 7325 list.add(ri); 7326 } 7327 } 7328 return applyPostResolutionFilter( 7329 list, instantAppPkgName, allowDynamicSplits, callingUid, userId); 7330 } 7331 7332 // reader 7333 synchronized (mPackages) { 7334 String pkgName = intent.getPackage(); 7335 if (pkgName == null) { 7336 final List<ResolveInfo> result = 7337 mReceivers.queryIntent(intent, resolvedType, flags, userId); 7338 return applyPostResolutionFilter( 7339 result, instantAppPkgName, allowDynamicSplits, callingUid, userId); 7340 } 7341 final PackageParser.Package pkg = mPackages.get(pkgName); 7342 if (pkg != null) { 7343 final List<ResolveInfo> result = mReceivers.queryIntentForPackage( 7344 intent, resolvedType, flags, pkg.receivers, userId); 7345 return applyPostResolutionFilter( 7346 result, instantAppPkgName, allowDynamicSplits, callingUid, userId); 7347 } 7348 return Collections.emptyList(); 7349 } 7350 } 7351 7352 @Override 7353 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 7354 final int callingUid = Binder.getCallingUid(); 7355 return resolveServiceInternal(intent, resolvedType, flags, userId, callingUid); 7356 } 7357 7358 private ResolveInfo resolveServiceInternal(Intent intent, String resolvedType, int flags, 7359 int userId, int callingUid) { 7360 if (!sUserManager.exists(userId)) return null; 7361 flags = updateFlagsForResolve( 7362 flags, userId, intent, callingUid, false /*includeInstantApps*/); 7363 List<ResolveInfo> query = queryIntentServicesInternal( 7364 intent, resolvedType, flags, userId, callingUid, false /*includeInstantApps*/); 7365 if (query != null) { 7366 if (query.size() >= 1) { 7367 // If there is more than one service with the same priority, 7368 // just arbitrarily pick the first one. 7369 return query.get(0); 7370 } 7371 } 7372 return null; 7373 } 7374 7375 @Override 7376 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 7377 String resolvedType, int flags, int userId) { 7378 final int callingUid = Binder.getCallingUid(); 7379 return new ParceledListSlice<>(queryIntentServicesInternal( 7380 intent, resolvedType, flags, userId, callingUid, false /*includeInstantApps*/)); 7381 } 7382 7383 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 7384 String resolvedType, int flags, int userId, int callingUid, 7385 boolean includeInstantApps) { 7386 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7387 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 7388 false /*requireFullPermission*/, false /*checkShell*/, 7389 "query intent receivers"); 7390 final String instantAppPkgName = getInstantAppPackageName(callingUid); 7391 flags = updateFlagsForResolve(flags, userId, intent, callingUid, includeInstantApps); 7392 ComponentName comp = intent.getComponent(); 7393 if (comp == null) { 7394 if (intent.getSelector() != null) { 7395 intent = intent.getSelector(); 7396 comp = intent.getComponent(); 7397 } 7398 } 7399 if (comp != null) { 7400 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 7401 final ServiceInfo si = getServiceInfo(comp, flags, userId); 7402 if (si != null) { 7403 // When specifying an explicit component, we prevent the service from being 7404 // used when either 1) the service is in an instant application and the 7405 // caller is not the same instant application or 2) the calling package is 7406 // ephemeral and the activity is not visible to ephemeral applications. 7407 final boolean matchInstantApp = 7408 (flags & PackageManager.MATCH_INSTANT) != 0; 7409 final boolean matchVisibleToInstantAppOnly = 7410 (flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 7411 final boolean isCallerInstantApp = 7412 instantAppPkgName != null; 7413 final boolean isTargetSameInstantApp = 7414 comp.getPackageName().equals(instantAppPkgName); 7415 final boolean isTargetInstantApp = 7416 (si.applicationInfo.privateFlags 7417 & ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0; 7418 final boolean isTargetHiddenFromInstantApp = 7419 (si.flags & ServiceInfo.FLAG_VISIBLE_TO_INSTANT_APP) == 0; 7420 final boolean blockResolution = 7421 !isTargetSameInstantApp 7422 && ((!matchInstantApp && !isCallerInstantApp && isTargetInstantApp) 7423 || (matchVisibleToInstantAppOnly && isCallerInstantApp 7424 && isTargetHiddenFromInstantApp)); 7425 if (!blockResolution) { 7426 final ResolveInfo ri = new ResolveInfo(); 7427 ri.serviceInfo = si; 7428 list.add(ri); 7429 } 7430 } 7431 return list; 7432 } 7433 7434 // reader 7435 synchronized (mPackages) { 7436 String pkgName = intent.getPackage(); 7437 if (pkgName == null) { 7438 return applyPostServiceResolutionFilter( 7439 mServices.queryIntent(intent, resolvedType, flags, userId), 7440 instantAppPkgName); 7441 } 7442 final PackageParser.Package pkg = mPackages.get(pkgName); 7443 if (pkg != null) { 7444 return applyPostServiceResolutionFilter( 7445 mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 7446 userId), 7447 instantAppPkgName); 7448 } 7449 return Collections.emptyList(); 7450 } 7451 } 7452 7453 private List<ResolveInfo> applyPostServiceResolutionFilter(List<ResolveInfo> resolveInfos, 7454 String instantAppPkgName) { 7455 if (instantAppPkgName == null) { 7456 return resolveInfos; 7457 } 7458 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 7459 final ResolveInfo info = resolveInfos.get(i); 7460 final boolean isEphemeralApp = info.serviceInfo.applicationInfo.isInstantApp(); 7461 // allow services that are defined in the provided package 7462 if (isEphemeralApp && instantAppPkgName.equals(info.serviceInfo.packageName)) { 7463 if (info.serviceInfo.splitName != null 7464 && !ArrayUtils.contains(info.serviceInfo.applicationInfo.splitNames, 7465 info.serviceInfo.splitName)) { 7466 // requested service is defined in a split that hasn't been installed yet. 7467 // add the installer to the resolve list 7468 if (DEBUG_EPHEMERAL) { 7469 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 7470 } 7471 final ResolveInfo installerInfo = new ResolveInfo(mInstantAppInstallerInfo); 7472 installerInfo.auxiliaryInfo = new AuxiliaryResolveInfo( 7473 info.serviceInfo.packageName, info.serviceInfo.splitName, 7474 null /*failureActivity*/, info.serviceInfo.applicationInfo.versionCode, 7475 null /*failureIntent*/); 7476 // make sure this resolver is the default 7477 installerInfo.isDefault = true; 7478 installerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 7479 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 7480 // add a non-generic filter 7481 installerInfo.filter = new IntentFilter(); 7482 // load resources from the correct package 7483 installerInfo.resolvePackageName = info.getComponentInfo().packageName; 7484 resolveInfos.set(i, installerInfo); 7485 } 7486 continue; 7487 } 7488 // allow services that have been explicitly exposed to ephemeral apps 7489 if (!isEphemeralApp 7490 && ((info.serviceInfo.flags & ServiceInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0)) { 7491 continue; 7492 } 7493 resolveInfos.remove(i); 7494 } 7495 return resolveInfos; 7496 } 7497 7498 @Override 7499 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 7500 String resolvedType, int flags, int userId) { 7501 return new ParceledListSlice<>( 7502 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 7503 } 7504 7505 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 7506 Intent intent, String resolvedType, int flags, int userId) { 7507 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7508 final int callingUid = Binder.getCallingUid(); 7509 final String instantAppPkgName = getInstantAppPackageName(callingUid); 7510 flags = updateFlagsForResolve(flags, userId, intent, callingUid, 7511 false /*includeInstantApps*/); 7512 ComponentName comp = intent.getComponent(); 7513 if (comp == null) { 7514 if (intent.getSelector() != null) { 7515 intent = intent.getSelector(); 7516 comp = intent.getComponent(); 7517 } 7518 } 7519 if (comp != null) { 7520 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 7521 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 7522 if (pi != null) { 7523 // When specifying an explicit component, we prevent the provider from being 7524 // used when either 1) the provider is in an instant application and the 7525 // caller is not the same instant application or 2) the calling package is an 7526 // instant application and the provider is not visible to instant applications. 7527 final boolean matchInstantApp = 7528 (flags & PackageManager.MATCH_INSTANT) != 0; 7529 final boolean matchVisibleToInstantAppOnly = 7530 (flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 7531 final boolean isCallerInstantApp = 7532 instantAppPkgName != null; 7533 final boolean isTargetSameInstantApp = 7534 comp.getPackageName().equals(instantAppPkgName); 7535 final boolean isTargetInstantApp = 7536 (pi.applicationInfo.privateFlags 7537 & ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0; 7538 final boolean isTargetHiddenFromInstantApp = 7539 (pi.flags & ProviderInfo.FLAG_VISIBLE_TO_INSTANT_APP) == 0; 7540 final boolean blockResolution = 7541 !isTargetSameInstantApp 7542 && ((!matchInstantApp && !isCallerInstantApp && isTargetInstantApp) 7543 || (matchVisibleToInstantAppOnly && isCallerInstantApp 7544 && isTargetHiddenFromInstantApp)); 7545 if (!blockResolution) { 7546 final ResolveInfo ri = new ResolveInfo(); 7547 ri.providerInfo = pi; 7548 list.add(ri); 7549 } 7550 } 7551 return list; 7552 } 7553 7554 // reader 7555 synchronized (mPackages) { 7556 String pkgName = intent.getPackage(); 7557 if (pkgName == null) { 7558 return applyPostContentProviderResolutionFilter( 7559 mProviders.queryIntent(intent, resolvedType, flags, userId), 7560 instantAppPkgName); 7561 } 7562 final PackageParser.Package pkg = mPackages.get(pkgName); 7563 if (pkg != null) { 7564 return applyPostContentProviderResolutionFilter( 7565 mProviders.queryIntentForPackage( 7566 intent, resolvedType, flags, pkg.providers, userId), 7567 instantAppPkgName); 7568 } 7569 return Collections.emptyList(); 7570 } 7571 } 7572 7573 private List<ResolveInfo> applyPostContentProviderResolutionFilter( 7574 List<ResolveInfo> resolveInfos, String instantAppPkgName) { 7575 if (instantAppPkgName == null) { 7576 return resolveInfos; 7577 } 7578 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 7579 final ResolveInfo info = resolveInfos.get(i); 7580 final boolean isEphemeralApp = info.providerInfo.applicationInfo.isInstantApp(); 7581 // allow providers that are defined in the provided package 7582 if (isEphemeralApp && instantAppPkgName.equals(info.providerInfo.packageName)) { 7583 if (info.providerInfo.splitName != null 7584 && !ArrayUtils.contains(info.providerInfo.applicationInfo.splitNames, 7585 info.providerInfo.splitName)) { 7586 // requested provider is defined in a split that hasn't been installed yet. 7587 // add the installer to the resolve list 7588 if (DEBUG_EPHEMERAL) { 7589 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 7590 } 7591 final ResolveInfo installerInfo = new ResolveInfo(mInstantAppInstallerInfo); 7592 installerInfo.auxiliaryInfo = new AuxiliaryResolveInfo( 7593 info.providerInfo.packageName, info.providerInfo.splitName, 7594 null /*failureActivity*/, info.providerInfo.applicationInfo.versionCode, 7595 null /*failureIntent*/); 7596 // make sure this resolver is the default 7597 installerInfo.isDefault = true; 7598 installerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 7599 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 7600 // add a non-generic filter 7601 installerInfo.filter = new IntentFilter(); 7602 // load resources from the correct package 7603 installerInfo.resolvePackageName = info.getComponentInfo().packageName; 7604 resolveInfos.set(i, installerInfo); 7605 } 7606 continue; 7607 } 7608 // allow providers that have been explicitly exposed to instant applications 7609 if (!isEphemeralApp 7610 && ((info.providerInfo.flags & ProviderInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0)) { 7611 continue; 7612 } 7613 resolveInfos.remove(i); 7614 } 7615 return resolveInfos; 7616 } 7617 7618 @Override 7619 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 7620 final int callingUid = Binder.getCallingUid(); 7621 if (getInstantAppPackageName(callingUid) != null) { 7622 return ParceledListSlice.emptyList(); 7623 } 7624 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7625 flags = updateFlagsForPackage(flags, userId, null); 7626 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7627 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 7628 true /* requireFullPermission */, false /* checkShell */, 7629 "get installed packages"); 7630 7631 // writer 7632 synchronized (mPackages) { 7633 ArrayList<PackageInfo> list; 7634 if (listUninstalled) { 7635 list = new ArrayList<>(mSettings.mPackages.size()); 7636 for (PackageSetting ps : mSettings.mPackages.values()) { 7637 if (filterSharedLibPackageLPr(ps, callingUid, userId, flags)) { 7638 continue; 7639 } 7640 if (filterAppAccessLPr(ps, callingUid, userId)) { 7641 continue; 7642 } 7643 final PackageInfo pi = generatePackageInfo(ps, flags, userId); 7644 if (pi != null) { 7645 list.add(pi); 7646 } 7647 } 7648 } else { 7649 list = new ArrayList<>(mPackages.size()); 7650 for (PackageParser.Package p : mPackages.values()) { 7651 final PackageSetting ps = (PackageSetting) p.mExtras; 7652 if (filterSharedLibPackageLPr(ps, callingUid, userId, flags)) { 7653 continue; 7654 } 7655 if (filterAppAccessLPr(ps, callingUid, userId)) { 7656 continue; 7657 } 7658 final PackageInfo pi = generatePackageInfo((PackageSetting) 7659 p.mExtras, flags, userId); 7660 if (pi != null) { 7661 list.add(pi); 7662 } 7663 } 7664 } 7665 7666 return new ParceledListSlice<>(list); 7667 } 7668 } 7669 7670 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 7671 String[] permissions, boolean[] tmp, int flags, int userId) { 7672 int numMatch = 0; 7673 final PermissionsState permissionsState = ps.getPermissionsState(); 7674 for (int i=0; i<permissions.length; i++) { 7675 final String permission = permissions[i]; 7676 if (permissionsState.hasPermission(permission, userId)) { 7677 tmp[i] = true; 7678 numMatch++; 7679 } else { 7680 tmp[i] = false; 7681 } 7682 } 7683 if (numMatch == 0) { 7684 return; 7685 } 7686 final PackageInfo pi = generatePackageInfo(ps, flags, userId); 7687 7688 // The above might return null in cases of uninstalled apps or install-state 7689 // skew across users/profiles. 7690 if (pi != null) { 7691 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 7692 if (numMatch == permissions.length) { 7693 pi.requestedPermissions = permissions; 7694 } else { 7695 pi.requestedPermissions = new String[numMatch]; 7696 numMatch = 0; 7697 for (int i=0; i<permissions.length; i++) { 7698 if (tmp[i]) { 7699 pi.requestedPermissions[numMatch] = permissions[i]; 7700 numMatch++; 7701 } 7702 } 7703 } 7704 } 7705 list.add(pi); 7706 } 7707 } 7708 7709 @Override 7710 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 7711 String[] permissions, int flags, int userId) { 7712 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7713 flags = updateFlagsForPackage(flags, userId, permissions); 7714 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 7715 true /* requireFullPermission */, false /* checkShell */, 7716 "get packages holding permissions"); 7717 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7718 7719 // writer 7720 synchronized (mPackages) { 7721 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 7722 boolean[] tmpBools = new boolean[permissions.length]; 7723 if (listUninstalled) { 7724 for (PackageSetting ps : mSettings.mPackages.values()) { 7725 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 7726 userId); 7727 } 7728 } else { 7729 for (PackageParser.Package pkg : mPackages.values()) { 7730 PackageSetting ps = (PackageSetting)pkg.mExtras; 7731 if (ps != null) { 7732 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 7733 userId); 7734 } 7735 } 7736 } 7737 7738 return new ParceledListSlice<PackageInfo>(list); 7739 } 7740 } 7741 7742 @Override 7743 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 7744 final int callingUid = Binder.getCallingUid(); 7745 if (getInstantAppPackageName(callingUid) != null) { 7746 return ParceledListSlice.emptyList(); 7747 } 7748 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7749 flags = updateFlagsForApplication(flags, userId, null); 7750 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7751 7752 // writer 7753 synchronized (mPackages) { 7754 ArrayList<ApplicationInfo> list; 7755 if (listUninstalled) { 7756 list = new ArrayList<>(mSettings.mPackages.size()); 7757 for (PackageSetting ps : mSettings.mPackages.values()) { 7758 ApplicationInfo ai; 7759 int effectiveFlags = flags; 7760 if (ps.isSystem()) { 7761 effectiveFlags |= PackageManager.MATCH_ANY_USER; 7762 } 7763 if (ps.pkg != null) { 7764 if (filterSharedLibPackageLPr(ps, callingUid, userId, flags)) { 7765 continue; 7766 } 7767 if (filterAppAccessLPr(ps, callingUid, userId)) { 7768 continue; 7769 } 7770 ai = PackageParser.generateApplicationInfo(ps.pkg, effectiveFlags, 7771 ps.readUserState(userId), userId); 7772 if (ai != null) { 7773 ai.packageName = resolveExternalPackageNameLPr(ps.pkg); 7774 } 7775 } else { 7776 // Shared lib filtering done in generateApplicationInfoFromSettingsLPw 7777 // and already converts to externally visible package name 7778 ai = generateApplicationInfoFromSettingsLPw(ps.name, 7779 callingUid, effectiveFlags, userId); 7780 } 7781 if (ai != null) { 7782 list.add(ai); 7783 } 7784 } 7785 } else { 7786 list = new ArrayList<>(mPackages.size()); 7787 for (PackageParser.Package p : mPackages.values()) { 7788 if (p.mExtras != null) { 7789 PackageSetting ps = (PackageSetting) p.mExtras; 7790 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId, flags)) { 7791 continue; 7792 } 7793 if (filterAppAccessLPr(ps, callingUid, userId)) { 7794 continue; 7795 } 7796 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 7797 ps.readUserState(userId), userId); 7798 if (ai != null) { 7799 ai.packageName = resolveExternalPackageNameLPr(p); 7800 list.add(ai); 7801 } 7802 } 7803 } 7804 } 7805 7806 return new ParceledListSlice<>(list); 7807 } 7808 } 7809 7810 @Override 7811 public ParceledListSlice<InstantAppInfo> getInstantApps(int userId) { 7812 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7813 return null; 7814 } 7815 if (!canViewInstantApps(Binder.getCallingUid(), userId)) { 7816 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_INSTANT_APPS, 7817 "getEphemeralApplications"); 7818 } 7819 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 7820 true /* requireFullPermission */, false /* checkShell */, 7821 "getEphemeralApplications"); 7822 synchronized (mPackages) { 7823 List<InstantAppInfo> instantApps = mInstantAppRegistry 7824 .getInstantAppsLPr(userId); 7825 if (instantApps != null) { 7826 return new ParceledListSlice<>(instantApps); 7827 } 7828 } 7829 return null; 7830 } 7831 7832 @Override 7833 public boolean isInstantApp(String packageName, int userId) { 7834 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 7835 true /* requireFullPermission */, false /* checkShell */, 7836 "isInstantApp"); 7837 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7838 return false; 7839 } 7840 7841 synchronized (mPackages) { 7842 int callingUid = Binder.getCallingUid(); 7843 if (Process.isIsolated(callingUid)) { 7844 callingUid = mIsolatedOwners.get(callingUid); 7845 } 7846 final PackageSetting ps = mSettings.mPackages.get(packageName); 7847 PackageParser.Package pkg = mPackages.get(packageName); 7848 final boolean returnAllowed = 7849 ps != null 7850 && (isCallerSameApp(packageName, callingUid) 7851 || canViewInstantApps(callingUid, userId) 7852 || mInstantAppRegistry.isInstantAccessGranted( 7853 userId, UserHandle.getAppId(callingUid), ps.appId)); 7854 if (returnAllowed) { 7855 return ps.getInstantApp(userId); 7856 } 7857 } 7858 return false; 7859 } 7860 7861 @Override 7862 public byte[] getInstantAppCookie(String packageName, int userId) { 7863 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7864 return null; 7865 } 7866 7867 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 7868 true /* requireFullPermission */, false /* checkShell */, 7869 "getInstantAppCookie"); 7870 if (!isCallerSameApp(packageName, Binder.getCallingUid())) { 7871 return null; 7872 } 7873 synchronized (mPackages) { 7874 return mInstantAppRegistry.getInstantAppCookieLPw( 7875 packageName, userId); 7876 } 7877 } 7878 7879 @Override 7880 public boolean setInstantAppCookie(String packageName, byte[] cookie, int userId) { 7881 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7882 return true; 7883 } 7884 7885 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 7886 true /* requireFullPermission */, true /* checkShell */, 7887 "setInstantAppCookie"); 7888 if (!isCallerSameApp(packageName, Binder.getCallingUid())) { 7889 return false; 7890 } 7891 synchronized (mPackages) { 7892 return mInstantAppRegistry.setInstantAppCookieLPw( 7893 packageName, cookie, userId); 7894 } 7895 } 7896 7897 @Override 7898 public Bitmap getInstantAppIcon(String packageName, int userId) { 7899 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7900 return null; 7901 } 7902 7903 if (!canViewInstantApps(Binder.getCallingUid(), userId)) { 7904 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_INSTANT_APPS, 7905 "getInstantAppIcon"); 7906 } 7907 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 7908 true /* requireFullPermission */, false /* checkShell */, 7909 "getInstantAppIcon"); 7910 7911 synchronized (mPackages) { 7912 return mInstantAppRegistry.getInstantAppIconLPw( 7913 packageName, userId); 7914 } 7915 } 7916 7917 private boolean isCallerSameApp(String packageName, int uid) { 7918 PackageParser.Package pkg = mPackages.get(packageName); 7919 return pkg != null 7920 && UserHandle.getAppId(uid) == pkg.applicationInfo.uid; 7921 } 7922 7923 @Override 7924 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 7925 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 7926 return ParceledListSlice.emptyList(); 7927 } 7928 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 7929 } 7930 7931 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 7932 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 7933 7934 // reader 7935 synchronized (mPackages) { 7936 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 7937 final int userId = UserHandle.getCallingUserId(); 7938 while (i.hasNext()) { 7939 final PackageParser.Package p = i.next(); 7940 if (p.applicationInfo == null) continue; 7941 7942 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 7943 && !p.applicationInfo.isDirectBootAware(); 7944 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 7945 && p.applicationInfo.isDirectBootAware(); 7946 7947 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 7948 && (!mSafeMode || isSystemApp(p)) 7949 && (matchesUnaware || matchesAware)) { 7950 PackageSetting ps = mSettings.mPackages.get(p.packageName); 7951 if (ps != null) { 7952 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 7953 ps.readUserState(userId), userId); 7954 if (ai != null) { 7955 finalList.add(ai); 7956 } 7957 } 7958 } 7959 } 7960 } 7961 7962 return finalList; 7963 } 7964 7965 @Override 7966 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 7967 return resolveContentProviderInternal(name, flags, userId); 7968 } 7969 7970 private ProviderInfo resolveContentProviderInternal(String name, int flags, int userId) { 7971 if (!sUserManager.exists(userId)) return null; 7972 flags = updateFlagsForComponent(flags, userId, name); 7973 final String instantAppPkgName = getInstantAppPackageName(Binder.getCallingUid()); 7974 // reader 7975 synchronized (mPackages) { 7976 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 7977 PackageSetting ps = provider != null 7978 ? mSettings.mPackages.get(provider.owner.packageName) 7979 : null; 7980 if (ps != null) { 7981 final boolean isInstantApp = ps.getInstantApp(userId); 7982 // normal application; filter out instant application provider 7983 if (instantAppPkgName == null && isInstantApp) { 7984 return null; 7985 } 7986 // instant application; filter out other instant applications 7987 if (instantAppPkgName != null 7988 && isInstantApp 7989 && !provider.owner.packageName.equals(instantAppPkgName)) { 7990 return null; 7991 } 7992 // instant application; filter out non-exposed provider 7993 if (instantAppPkgName != null 7994 && !isInstantApp 7995 && (provider.info.flags & ProviderInfo.FLAG_VISIBLE_TO_INSTANT_APP) == 0) { 7996 return null; 7997 } 7998 // provider not enabled 7999 if (!mSettings.isEnabledAndMatchLPr(provider.info, flags, userId)) { 8000 return null; 8001 } 8002 return PackageParser.generateProviderInfo( 8003 provider, flags, ps.readUserState(userId), userId); 8004 } 8005 return null; 8006 } 8007 } 8008 8009 /** 8010 * @deprecated 8011 */ 8012 @Deprecated 8013 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 8014 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 8015 return; 8016 } 8017 // reader 8018 synchronized (mPackages) { 8019 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 8020 .entrySet().iterator(); 8021 final int userId = UserHandle.getCallingUserId(); 8022 while (i.hasNext()) { 8023 Map.Entry<String, PackageParser.Provider> entry = i.next(); 8024 PackageParser.Provider p = entry.getValue(); 8025 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 8026 8027 if (ps != null && p.syncable 8028 && (!mSafeMode || (p.info.applicationInfo.flags 8029 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 8030 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 8031 ps.readUserState(userId), userId); 8032 if (info != null) { 8033 outNames.add(entry.getKey()); 8034 outInfo.add(info); 8035 } 8036 } 8037 } 8038 } 8039 } 8040 8041 @Override 8042 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 8043 int uid, int flags, String metaDataKey) { 8044 final int callingUid = Binder.getCallingUid(); 8045 final int userId = processName != null ? UserHandle.getUserId(uid) 8046 : UserHandle.getCallingUserId(); 8047 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 8048 flags = updateFlagsForComponent(flags, userId, processName); 8049 ArrayList<ProviderInfo> finalList = null; 8050 // reader 8051 synchronized (mPackages) { 8052 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 8053 while (i.hasNext()) { 8054 final PackageParser.Provider p = i.next(); 8055 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 8056 if (ps != null && p.info.authority != null 8057 && (processName == null 8058 || (p.info.processName.equals(processName) 8059 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 8060 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 8061 8062 // See PM.queryContentProviders()'s javadoc for why we have the metaData 8063 // parameter. 8064 if (metaDataKey != null 8065 && (p.metaData == null || !p.metaData.containsKey(metaDataKey))) { 8066 continue; 8067 } 8068 final ComponentName component = 8069 new ComponentName(p.info.packageName, p.info.name); 8070 if (filterAppAccessLPr(ps, callingUid, component, TYPE_PROVIDER, userId)) { 8071 continue; 8072 } 8073 if (finalList == null) { 8074 finalList = new ArrayList<ProviderInfo>(3); 8075 } 8076 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 8077 ps.readUserState(userId), userId); 8078 if (info != null) { 8079 finalList.add(info); 8080 } 8081 } 8082 } 8083 } 8084 8085 if (finalList != null) { 8086 Collections.sort(finalList, mProviderInitOrderSorter); 8087 return new ParceledListSlice<ProviderInfo>(finalList); 8088 } 8089 8090 return ParceledListSlice.emptyList(); 8091 } 8092 8093 @Override 8094 public InstrumentationInfo getInstrumentationInfo(ComponentName component, int flags) { 8095 // reader 8096 synchronized (mPackages) { 8097 final int callingUid = Binder.getCallingUid(); 8098 final int callingUserId = UserHandle.getUserId(callingUid); 8099 final PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 8100 if (ps == null) return null; 8101 if (filterAppAccessLPr(ps, callingUid, component, TYPE_UNKNOWN, callingUserId)) { 8102 return null; 8103 } 8104 final PackageParser.Instrumentation i = mInstrumentation.get(component); 8105 return PackageParser.generateInstrumentationInfo(i, flags); 8106 } 8107 } 8108 8109 @Override 8110 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 8111 String targetPackage, int flags) { 8112 final int callingUid = Binder.getCallingUid(); 8113 final int callingUserId = UserHandle.getUserId(callingUid); 8114 final PackageSetting ps = mSettings.mPackages.get(targetPackage); 8115 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 8116 return ParceledListSlice.emptyList(); 8117 } 8118 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 8119 } 8120 8121 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 8122 int flags) { 8123 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 8124 8125 // reader 8126 synchronized (mPackages) { 8127 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 8128 while (i.hasNext()) { 8129 final PackageParser.Instrumentation p = i.next(); 8130 if (targetPackage == null 8131 || targetPackage.equals(p.info.targetPackage)) { 8132 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 8133 flags); 8134 if (ii != null) { 8135 finalList.add(ii); 8136 } 8137 } 8138 } 8139 } 8140 8141 return finalList; 8142 } 8143 8144 private void scanDirTracedLI(File scanDir, final int parseFlags, int scanFlags, long currentTime) { 8145 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir [" + scanDir.getAbsolutePath() + "]"); 8146 try { 8147 scanDirLI(scanDir, parseFlags, scanFlags, currentTime); 8148 } finally { 8149 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8150 } 8151 } 8152 8153 private void scanDirLI(File scanDir, int parseFlags, int scanFlags, long currentTime) { 8154 final File[] files = scanDir.listFiles(); 8155 if (ArrayUtils.isEmpty(files)) { 8156 Log.d(TAG, "No files in app dir " + scanDir); 8157 return; 8158 } 8159 8160 if (DEBUG_PACKAGE_SCANNING) { 8161 Log.d(TAG, "Scanning app dir " + scanDir + " scanFlags=" + scanFlags 8162 + " flags=0x" + Integer.toHexString(parseFlags)); 8163 } 8164 try (ParallelPackageParser parallelPackageParser = new ParallelPackageParser( 8165 mSeparateProcesses, mOnlyCore, mMetrics, mCacheDir, 8166 mParallelPackageParserCallback)) { 8167 // Submit files for parsing in parallel 8168 int fileCount = 0; 8169 for (File file : files) { 8170 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 8171 && !PackageInstallerService.isStageName(file.getName()); 8172 if (!isPackage) { 8173 // Ignore entries which are not packages 8174 continue; 8175 } 8176 parallelPackageParser.submit(file, parseFlags); 8177 fileCount++; 8178 } 8179 8180 // Process results one by one 8181 for (; fileCount > 0; fileCount--) { 8182 ParallelPackageParser.ParseResult parseResult = parallelPackageParser.take(); 8183 Throwable throwable = parseResult.throwable; 8184 int errorCode = PackageManager.INSTALL_SUCCEEDED; 8185 8186 if (throwable == null) { 8187 // TODO(toddke): move lower in the scan chain 8188 // Static shared libraries have synthetic package names 8189 if (parseResult.pkg.applicationInfo.isStaticSharedLibrary()) { 8190 renameStaticSharedLibraryPackage(parseResult.pkg); 8191 } 8192 try { 8193 if (errorCode == PackageManager.INSTALL_SUCCEEDED) { 8194 scanPackageChildLI(parseResult.pkg, parseFlags, scanFlags, 8195 currentTime, null); 8196 } 8197 } catch (PackageManagerException e) { 8198 errorCode = e.error; 8199 Slog.w(TAG, "Failed to scan " + parseResult.scanFile + ": " + e.getMessage()); 8200 } 8201 } else if (throwable instanceof PackageParser.PackageParserException) { 8202 PackageParser.PackageParserException e = (PackageParser.PackageParserException) 8203 throwable; 8204 errorCode = e.error; 8205 Slog.w(TAG, "Failed to parse " + parseResult.scanFile + ": " + e.getMessage()); 8206 } else { 8207 throw new IllegalStateException("Unexpected exception occurred while parsing " 8208 + parseResult.scanFile, throwable); 8209 } 8210 8211 // Delete invalid userdata apps 8212 if ((scanFlags & SCAN_AS_SYSTEM) == 0 && 8213 errorCode == PackageManager.INSTALL_FAILED_INVALID_APK) { 8214 logCriticalInfo(Log.WARN, 8215 "Deleting invalid package at " + parseResult.scanFile); 8216 removeCodePathLI(parseResult.scanFile); 8217 } 8218 } 8219 } 8220 } 8221 8222 public static void reportSettingsProblem(int priority, String msg) { 8223 logCriticalInfo(priority, msg); 8224 } 8225 8226 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, 8227 final @ParseFlags int parseFlags, boolean forceCollect) throws PackageManagerException { 8228 // When upgrading from pre-N MR1, verify the package time stamp using the package 8229 // directory and not the APK file. 8230 final long lastModifiedTime = mIsPreNMR1Upgrade 8231 ? new File(pkg.codePath).lastModified() : getLastModifiedTime(pkg); 8232 if (ps != null && !forceCollect 8233 && ps.codePathString.equals(pkg.codePath) 8234 && ps.timeStamp == lastModifiedTime 8235 && !isCompatSignatureUpdateNeeded(pkg) 8236 && !isRecoverSignatureUpdateNeeded(pkg)) { 8237 if (ps.signatures.mSignatures != null 8238 && ps.signatures.mSignatures.length != 0 8239 && ps.signatures.mSignatureSchemeVersion != SignatureSchemeVersion.UNKNOWN) { 8240 // Optimization: reuse the existing cached signing data 8241 // if the package appears to be unchanged. 8242 try { 8243 pkg.mSigningDetails = new PackageParser.SigningDetails(ps.signatures.mSignatures, 8244 ps.signatures.mSignatureSchemeVersion); 8245 return; 8246 } catch (CertificateException e) { 8247 Slog.e(TAG, "Attempt to read public keys from persisted signatures failed for " 8248 + ps.name, e); 8249 } 8250 } 8251 8252 Slog.w(TAG, "PackageSetting for " + ps.name 8253 + " is missing signatures. Collecting certs again to recover them."); 8254 } else { 8255 Slog.i(TAG, pkg.codePath + " changed; collecting certs" + 8256 (forceCollect ? " (forced)" : "")); 8257 } 8258 8259 try { 8260 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 8261 PackageParser.collectCertificates(pkg, parseFlags); 8262 } catch (PackageParserException e) { 8263 throw PackageManagerException.from(e); 8264 } finally { 8265 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8266 } 8267 } 8268 8269 /** 8270 * Traces a package scan. 8271 * @see #scanPackageLI(File, int, int, long, UserHandle) 8272 */ 8273 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 8274 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 8275 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage [" + scanFile.toString() + "]"); 8276 try { 8277 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 8278 } finally { 8279 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8280 } 8281 } 8282 8283 /** 8284 * Scans a package and returns the newly parsed package. 8285 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 8286 */ 8287 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 8288 long currentTime, UserHandle user) throws PackageManagerException { 8289 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 8290 PackageParser pp = new PackageParser(); 8291 pp.setSeparateProcesses(mSeparateProcesses); 8292 pp.setOnlyCoreApps(mOnlyCore); 8293 pp.setDisplayMetrics(mMetrics); 8294 pp.setCallback(mPackageParserCallback); 8295 8296 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 8297 final PackageParser.Package pkg; 8298 try { 8299 pkg = pp.parsePackage(scanFile, parseFlags); 8300 } catch (PackageParserException e) { 8301 throw PackageManagerException.from(e); 8302 } finally { 8303 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8304 } 8305 8306 // Static shared libraries have synthetic package names 8307 if (pkg.applicationInfo.isStaticSharedLibrary()) { 8308 renameStaticSharedLibraryPackage(pkg); 8309 } 8310 8311 return scanPackageChildLI(pkg, parseFlags, scanFlags, currentTime, user); 8312 } 8313 8314 /** 8315 * Scans a package and returns the newly parsed package. 8316 * @throws PackageManagerException on a parse error. 8317 */ 8318 private PackageParser.Package scanPackageChildLI(PackageParser.Package pkg, 8319 final @ParseFlags int parseFlags, @ScanFlags int scanFlags, long currentTime, 8320 @Nullable UserHandle user) 8321 throws PackageManagerException { 8322 // If the package has children and this is the first dive in the function 8323 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 8324 // packages (parent and children) would be successfully scanned before the 8325 // actual scan since scanning mutates internal state and we want to atomically 8326 // install the package and its children. 8327 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8328 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 8329 scanFlags |= SCAN_CHECK_ONLY; 8330 } 8331 } else { 8332 scanFlags &= ~SCAN_CHECK_ONLY; 8333 } 8334 8335 // Scan the parent 8336 PackageParser.Package scannedPkg = addForInitLI(pkg, parseFlags, 8337 scanFlags, currentTime, user); 8338 8339 // Scan the children 8340 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8341 for (int i = 0; i < childCount; i++) { 8342 PackageParser.Package childPackage = pkg.childPackages.get(i); 8343 addForInitLI(childPackage, parseFlags, scanFlags, 8344 currentTime, user); 8345 } 8346 8347 8348 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8349 return scanPackageChildLI(pkg, parseFlags, scanFlags, currentTime, user); 8350 } 8351 8352 return scannedPkg; 8353 } 8354 8355 // Temporary to catch potential issues with refactoring 8356 private static boolean REFACTOR_DEBUG = true; 8357 /** 8358 * Adds a new package to the internal data structures during platform initialization. 8359 * <p>After adding, the package is known to the system and available for querying. 8360 * <p>For packages located on the device ROM [eg. packages located in /system, /vendor, 8361 * etc...], additional checks are performed. Basic verification [such as ensuring 8362 * matching signatures, checking version codes, etc...] occurs if the package is 8363 * identical to a previously known package. If the package fails a signature check, 8364 * the version installed on /data will be removed. If the version of the new package 8365 * is less than or equal than the version on /data, it will be ignored. 8366 * <p>Regardless of the package location, the results are applied to the internal 8367 * structures and the package is made available to the rest of the system. 8368 * <p>NOTE: The return value should be removed. It's the passed in package object. 8369 */ 8370 private PackageParser.Package addForInitLI(PackageParser.Package pkg, 8371 @ParseFlags int parseFlags, @ScanFlags int scanFlags, long currentTime, 8372 @Nullable UserHandle user) 8373 throws PackageManagerException { 8374 final boolean scanSystemPartition = (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0; 8375 final String renamedPkgName; 8376 final PackageSetting disabledPkgSetting; 8377 final boolean isSystemPkgUpdated; 8378 final boolean pkgAlreadyExists; 8379 PackageSetting pkgSetting; 8380 8381 // NOTE: installPackageLI() has the same code to setup the package's 8382 // application info. This probably should be done lower in the call 8383 // stack [such as scanPackageOnly()]. However, we verify the application 8384 // info prior to that [in scanPackageNew()] and thus have to setup 8385 // the application info early. 8386 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 8387 pkg.setApplicationInfoCodePath(pkg.codePath); 8388 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 8389 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 8390 pkg.setApplicationInfoResourcePath(pkg.codePath); 8391 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 8392 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 8393 8394 synchronized (mPackages) { 8395 renamedPkgName = mSettings.getRenamedPackageLPr(pkg.mRealPackage); 8396 final String realPkgName = getRealPackageName(pkg, renamedPkgName); 8397if (REFACTOR_DEBUG) { 8398Slog.e("TODD", 8399 "Add pkg: " + pkg.packageName + (realPkgName==null?"":", realName: " + realPkgName)); 8400} 8401 if (realPkgName != null) { 8402 ensurePackageRenamed(pkg, renamedPkgName); 8403 } 8404 final PackageSetting originalPkgSetting = getOriginalPackageLocked(pkg, renamedPkgName); 8405 final PackageSetting installedPkgSetting = mSettings.getPackageLPr(pkg.packageName); 8406 pkgSetting = originalPkgSetting == null ? installedPkgSetting : originalPkgSetting; 8407 pkgAlreadyExists = pkgSetting != null; 8408 final String disabledPkgName = pkgAlreadyExists ? pkgSetting.name : pkg.packageName; 8409 disabledPkgSetting = mSettings.getDisabledSystemPkgLPr(disabledPkgName); 8410 isSystemPkgUpdated = disabledPkgSetting != null; 8411 8412 if (DEBUG_INSTALL && isSystemPkgUpdated) { 8413 Slog.d(TAG, "updatedPkg = " + disabledPkgSetting); 8414 } 8415if (REFACTOR_DEBUG) { 8416Slog.e("TODD", 8417 "SSP? " + scanSystemPartition 8418 + ", exists? " + pkgAlreadyExists + (pkgAlreadyExists?" "+pkgSetting.toString():"") 8419 + ", upgraded? " + isSystemPkgUpdated + (isSystemPkgUpdated?" "+disabledPkgSetting.toString():"")); 8420} 8421 8422 final SharedUserSetting sharedUserSetting = (pkg.mSharedUserId != null) 8423 ? mSettings.getSharedUserLPw(pkg.mSharedUserId, 8424 0 /*pkgFlags*/, 0 /*pkgPrivateFlags*/, true) 8425 : null; 8426 if (DEBUG_PACKAGE_SCANNING 8427 && (parseFlags & PackageParser.PARSE_CHATTY) != 0 8428 && sharedUserSetting != null) { 8429 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId 8430 + " (uid=" + sharedUserSetting.userId + "):" 8431 + " packages=" + sharedUserSetting.packages); 8432if (REFACTOR_DEBUG) { 8433Slog.e("TODD", 8434 "Shared UserID " + pkg.mSharedUserId 8435 + " (uid=" + sharedUserSetting.userId + "):" 8436 + " packages=" + sharedUserSetting.packages); 8437} 8438 } 8439 8440 if (scanSystemPartition) { 8441 // Potentially prune child packages. If the application on the /system 8442 // partition has been updated via OTA, but, is still disabled by a 8443 // version on /data, cycle through all of its children packages and 8444 // remove children that are no longer defined. 8445 if (isSystemPkgUpdated) { 8446if (REFACTOR_DEBUG) { 8447Slog.e("TODD", 8448 "Disable child packages"); 8449} 8450 final int scannedChildCount = (pkg.childPackages != null) 8451 ? pkg.childPackages.size() : 0; 8452 final int disabledChildCount = disabledPkgSetting.childPackageNames != null 8453 ? disabledPkgSetting.childPackageNames.size() : 0; 8454 for (int i = 0; i < disabledChildCount; i++) { 8455 String disabledChildPackageName = 8456 disabledPkgSetting.childPackageNames.get(i); 8457 boolean disabledPackageAvailable = false; 8458 for (int j = 0; j < scannedChildCount; j++) { 8459 PackageParser.Package childPkg = pkg.childPackages.get(j); 8460 if (childPkg.packageName.equals(disabledChildPackageName)) { 8461if (REFACTOR_DEBUG) { 8462Slog.e("TODD", 8463 "Ignore " + disabledChildPackageName); 8464} 8465 disabledPackageAvailable = true; 8466 break; 8467 } 8468 } 8469 if (!disabledPackageAvailable) { 8470if (REFACTOR_DEBUG) { 8471Slog.e("TODD", 8472 "Disable " + disabledChildPackageName); 8473} 8474 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 8475 } 8476 } 8477 // we're updating the disabled package, so, scan it as the package setting 8478 final ScanRequest request = new ScanRequest(pkg, sharedUserSetting, 8479 disabledPkgSetting /* pkgSetting */, null /* disabledPkgSetting */, 8480 null /* originalPkgSetting */, null, parseFlags, scanFlags, 8481 (pkg == mPlatformPackage), user); 8482if (REFACTOR_DEBUG) { 8483Slog.e("TODD", 8484 "Scan disabled system package"); 8485Slog.e("TODD", 8486 "Pre: " + request.pkgSetting.dumpState_temp()); 8487} 8488final ScanResult result = 8489 scanPackageOnlyLI(request, mFactoryTest, -1L); 8490if (REFACTOR_DEBUG) { 8491Slog.e("TODD", 8492 "Post: " + (result.success?result.pkgSetting.dumpState_temp():"FAILED scan")); 8493} 8494 } 8495 } 8496 } 8497 8498 final boolean newPkgChangedPaths = 8499 pkgAlreadyExists && !pkgSetting.codePathString.equals(pkg.codePath); 8500if (REFACTOR_DEBUG) { 8501Slog.e("TODD", 8502 "paths changed? " + newPkgChangedPaths 8503 + "; old: " + pkg.codePath 8504 + ", new: " + (pkgSetting==null?"<<NULL>>":pkgSetting.codePathString)); 8505} 8506 final boolean newPkgVersionGreater = 8507 pkgAlreadyExists && pkg.getLongVersionCode() > pkgSetting.versionCode; 8508if (REFACTOR_DEBUG) { 8509Slog.e("TODD", 8510 "version greater? " + newPkgVersionGreater 8511 + "; old: " + pkg.getLongVersionCode() 8512 + ", new: " + (pkgSetting==null?"<<NULL>>":pkgSetting.versionCode)); 8513} 8514 final boolean isSystemPkgBetter = scanSystemPartition && isSystemPkgUpdated 8515 && newPkgChangedPaths && newPkgVersionGreater; 8516if (REFACTOR_DEBUG) { 8517 Slog.e("TODD", 8518 "system better? " + isSystemPkgBetter); 8519} 8520 if (isSystemPkgBetter) { 8521 // The version of the application on /system is greater than the version on 8522 // /data. Switch back to the application on /system. 8523 // It's safe to assume the application on /system will correctly scan. If not, 8524 // there won't be a working copy of the application. 8525 synchronized (mPackages) { 8526 // just remove the loaded entries from package lists 8527 mPackages.remove(pkgSetting.name); 8528 } 8529 8530 logCriticalInfo(Log.WARN, 8531 "System package updated;" 8532 + " name: " + pkgSetting.name 8533 + "; " + pkgSetting.versionCode + " --> " + pkg.getLongVersionCode() 8534 + "; " + pkgSetting.codePathString + " --> " + pkg.codePath); 8535if (REFACTOR_DEBUG) { 8536Slog.e("TODD", 8537 "System package changed;" 8538 + " name: " + pkgSetting.name 8539 + "; " + pkgSetting.versionCode + " --> " + pkg.getLongVersionCode() 8540 + "; " + pkgSetting.codePathString + " --> " + pkg.codePath); 8541} 8542 8543 final InstallArgs args = createInstallArgsForExisting( 8544 packageFlagsToInstallFlags(pkgSetting), pkgSetting.codePathString, 8545 pkgSetting.resourcePathString, getAppDexInstructionSets(pkgSetting)); 8546 args.cleanUpResourcesLI(); 8547 synchronized (mPackages) { 8548 mSettings.enableSystemPackageLPw(pkgSetting.name); 8549 } 8550 } 8551 8552 if (scanSystemPartition && isSystemPkgUpdated && !isSystemPkgBetter) { 8553if (REFACTOR_DEBUG) { 8554Slog.e("TODD", 8555 "THROW exception; system pkg version not good enough"); 8556} 8557 // The version of the application on the /system partition is less than or 8558 // equal to the version on the /data partition. Throw an exception and use 8559 // the application already installed on the /data partition. 8560 throw new PackageManagerException(Log.WARN, "Package " + pkg.packageName + " at " 8561 + pkg.codePath + " ignored: updated version " + disabledPkgSetting.versionCode 8562 + " better than this " + pkg.getLongVersionCode()); 8563 } 8564 8565 // Verify certificates against what was last scanned. If it is an updated priv app, we will 8566 // force the verification. Full apk verification will happen unless apk verity is set up for 8567 // the file. In that case, only small part of the apk is verified upfront. 8568 collectCertificatesLI(pkgSetting, pkg, parseFlags, 8569 PackageManagerServiceUtils.isApkVerificationForced(disabledPkgSetting)); 8570 8571 boolean shouldHideSystemApp = false; 8572 // A new application appeared on /system, but, we already have a copy of 8573 // the application installed on /data. 8574 if (scanSystemPartition && !isSystemPkgUpdated && pkgAlreadyExists 8575 && !pkgSetting.isSystem()) { 8576 // if the signatures don't match, wipe the installed application and its data 8577 if (compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSigningDetails.signatures) 8578 != PackageManager.SIGNATURE_MATCH) { 8579 logCriticalInfo(Log.WARN, 8580 "System package signature mismatch;" 8581 + " name: " + pkgSetting.name); 8582if (REFACTOR_DEBUG) { 8583Slog.e("TODD", 8584 "System package signature mismatch;" 8585 + " name: " + pkgSetting.name); 8586} 8587 try (PackageFreezer freezer = freezePackage(pkg.packageName, 8588 "scanPackageInternalLI")) { 8589 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 8590 } 8591 pkgSetting = null; 8592 } else if (newPkgVersionGreater) { 8593 // The application on /system is newer than the application on /data. 8594 // Simply remove the application on /data [keeping application data] 8595 // and replace it with the version on /system. 8596 logCriticalInfo(Log.WARN, 8597 "System package enabled;" 8598 + " name: " + pkgSetting.name 8599 + "; " + pkgSetting.versionCode + " --> " + pkg.getLongVersionCode() 8600 + "; " + pkgSetting.codePathString + " --> " + pkg.codePath); 8601if (REFACTOR_DEBUG) { 8602Slog.e("TODD", 8603 "System package enabled;" 8604 + " name: " + pkgSetting.name 8605 + "; " + pkgSetting.versionCode + " --> " + pkg.getLongVersionCode() 8606 + "; " + pkgSetting.codePathString + " --> " + pkg.codePath); 8607} 8608 InstallArgs args = createInstallArgsForExisting( 8609 packageFlagsToInstallFlags(pkgSetting), pkgSetting.codePathString, 8610 pkgSetting.resourcePathString, getAppDexInstructionSets(pkgSetting)); 8611 synchronized (mInstallLock) { 8612 args.cleanUpResourcesLI(); 8613 } 8614 } else { 8615 // The application on /system is older than the application on /data. Hide 8616 // the application on /system and the version on /data will be scanned later 8617 // and re-added like an update. 8618 shouldHideSystemApp = true; 8619 logCriticalInfo(Log.INFO, 8620 "System package disabled;" 8621 + " name: " + pkgSetting.name 8622 + "; old: " + pkgSetting.codePathString + " @ " + pkgSetting.versionCode 8623 + "; new: " + pkg.codePath + " @ " + pkg.codePath); 8624if (REFACTOR_DEBUG) { 8625Slog.e("TODD", 8626 "System package disabled;" 8627 + " name: " + pkgSetting.name 8628 + "; old: " + pkgSetting.codePathString + " @ " + pkgSetting.versionCode 8629 + "; new: " + pkg.codePath + " @ " + pkg.codePath); 8630} 8631 } 8632 } 8633 8634if (REFACTOR_DEBUG) { 8635Slog.e("TODD", 8636 "Scan package"); 8637Slog.e("TODD", 8638 "Pre: " + (pkgSetting==null?"<<NONE>>":pkgSetting.dumpState_temp())); 8639} 8640 final PackageParser.Package scannedPkg = scanPackageNewLI(pkg, parseFlags, scanFlags 8641 | SCAN_UPDATE_SIGNATURE, currentTime, user); 8642if (REFACTOR_DEBUG) { 8643pkgSetting = mSettings.getPackageLPr(pkg.packageName); 8644Slog.e("TODD", 8645 "Post: " + (pkgSetting==null?"<<NONE>>":pkgSetting.dumpState_temp())); 8646} 8647 8648 if (shouldHideSystemApp) { 8649if (REFACTOR_DEBUG) { 8650Slog.e("TODD", 8651 "Disable package: " + pkg.packageName); 8652} 8653 synchronized (mPackages) { 8654 mSettings.disableSystemPackageLPw(pkg.packageName, true); 8655 } 8656 } 8657 return scannedPkg; 8658 } 8659 8660 private static void renameStaticSharedLibraryPackage(PackageParser.Package pkg) { 8661 // Derive the new package synthetic package name 8662 pkg.setPackageName(pkg.packageName + STATIC_SHARED_LIB_DELIMITER 8663 + pkg.staticSharedLibVersion); 8664 } 8665 8666 private static String fixProcessName(String defProcessName, 8667 String processName) { 8668 if (processName == null) { 8669 return defProcessName; 8670 } 8671 return processName; 8672 } 8673 8674 /** 8675 * Enforces that only the system UID or root's UID can call a method exposed 8676 * via Binder. 8677 * 8678 * @param message used as message if SecurityException is thrown 8679 * @throws SecurityException if the caller is not system or root 8680 */ 8681 private static final void enforceSystemOrRoot(String message) { 8682 final int uid = Binder.getCallingUid(); 8683 if (uid != Process.SYSTEM_UID && uid != Process.ROOT_UID) { 8684 throw new SecurityException(message); 8685 } 8686 } 8687 8688 @Override 8689 public void performFstrimIfNeeded() { 8690 enforceSystemOrRoot("Only the system can request fstrim"); 8691 8692 // Before everything else, see whether we need to fstrim. 8693 try { 8694 IStorageManager sm = PackageHelper.getStorageManager(); 8695 if (sm != null) { 8696 boolean doTrim = false; 8697 final long interval = android.provider.Settings.Global.getLong( 8698 mContext.getContentResolver(), 8699 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 8700 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 8701 if (interval > 0) { 8702 final long timeSinceLast = System.currentTimeMillis() - sm.lastMaintenance(); 8703 if (timeSinceLast > interval) { 8704 doTrim = true; 8705 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 8706 + "; running immediately"); 8707 } 8708 } 8709 if (doTrim) { 8710 final boolean dexOptDialogShown; 8711 synchronized (mPackages) { 8712 dexOptDialogShown = mDexOptDialogShown; 8713 } 8714 if (!isFirstBoot() && dexOptDialogShown) { 8715 try { 8716 ActivityManager.getService().showBootMessage( 8717 mContext.getResources().getString( 8718 R.string.android_upgrading_fstrim), true); 8719 } catch (RemoteException e) { 8720 } 8721 } 8722 sm.runMaintenance(); 8723 } 8724 } else { 8725 Slog.e(TAG, "storageManager service unavailable!"); 8726 } 8727 } catch (RemoteException e) { 8728 // Can't happen; StorageManagerService is local 8729 } 8730 } 8731 8732 @Override 8733 public void updatePackagesIfNeeded() { 8734 enforceSystemOrRoot("Only the system can request package update"); 8735 8736 // We need to re-extract after an OTA. 8737 boolean causeUpgrade = isUpgrade(); 8738 8739 // First boot or factory reset. 8740 // Note: we also handle devices that are upgrading to N right now as if it is their 8741 // first boot, as they do not have profile data. 8742 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 8743 8744 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 8745 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 8746 8747 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 8748 return; 8749 } 8750 8751 List<PackageParser.Package> pkgs; 8752 synchronized (mPackages) { 8753 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 8754 } 8755 8756 final long startTime = System.nanoTime(); 8757 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 8758 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT), 8759 false /* bootComplete */); 8760 8761 final int elapsedTimeSeconds = 8762 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 8763 8764 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 8765 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 8766 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 8767 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 8768 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 8769 } 8770 8771 /* 8772 * Return the prebuilt profile path given a package base code path. 8773 */ 8774 private static String getPrebuildProfilePath(PackageParser.Package pkg) { 8775 return pkg.baseCodePath + ".prof"; 8776 } 8777 8778 /** 8779 * Performs dexopt on the set of packages in {@code packages} and returns an int array 8780 * containing statistics about the invocation. The array consists of three elements, 8781 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 8782 * and {@code numberOfPackagesFailed}. 8783 */ 8784 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 8785 final String compilerFilter, boolean bootComplete) { 8786 8787 int numberOfPackagesVisited = 0; 8788 int numberOfPackagesOptimized = 0; 8789 int numberOfPackagesSkipped = 0; 8790 int numberOfPackagesFailed = 0; 8791 final int numberOfPackagesToDexopt = pkgs.size(); 8792 8793 for (PackageParser.Package pkg : pkgs) { 8794 numberOfPackagesVisited++; 8795 8796 boolean useProfileForDexopt = false; 8797 8798 if ((isFirstBoot() || isUpgrade()) && isSystemApp(pkg)) { 8799 // Copy over initial preopt profiles since we won't get any JIT samples for methods 8800 // that are already compiled. 8801 File profileFile = new File(getPrebuildProfilePath(pkg)); 8802 // Copy profile if it exists. 8803 if (profileFile.exists()) { 8804 try { 8805 // We could also do this lazily before calling dexopt in 8806 // PackageDexOptimizer to prevent this happening on first boot. The issue 8807 // is that we don't have a good way to say "do this only once". 8808 if (!mInstaller.copySystemProfile(profileFile.getAbsolutePath(), 8809 pkg.applicationInfo.uid, pkg.packageName)) { 8810 Log.e(TAG, "Installer failed to copy system profile!"); 8811 } else { 8812 // Disabled as this causes speed-profile compilation during first boot 8813 // even if things are already compiled. 8814 // useProfileForDexopt = true; 8815 } 8816 } catch (Exception e) { 8817 Log.e(TAG, "Failed to copy profile " + profileFile.getAbsolutePath() + " ", 8818 e); 8819 } 8820 } else { 8821 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 8822 // Handle compressed APKs in this path. Only do this for stubs with profiles to 8823 // minimize the number off apps being speed-profile compiled during first boot. 8824 // The other paths will not change the filter. 8825 if (disabledPs != null && disabledPs.pkg.isStub) { 8826 // The package is the stub one, remove the stub suffix to get the normal 8827 // package and APK names. 8828 String systemProfilePath = 8829 getPrebuildProfilePath(disabledPs.pkg).replace(STUB_SUFFIX, ""); 8830 profileFile = new File(systemProfilePath); 8831 // If we have a profile for a compressed APK, copy it to the reference 8832 // location. 8833 // Note that copying the profile here will cause it to override the 8834 // reference profile every OTA even though the existing reference profile 8835 // may have more data. We can't copy during decompression since the 8836 // directories are not set up at that point. 8837 if (profileFile.exists()) { 8838 try { 8839 // We could also do this lazily before calling dexopt in 8840 // PackageDexOptimizer to prevent this happening on first boot. The 8841 // issue is that we don't have a good way to say "do this only 8842 // once". 8843 if (!mInstaller.copySystemProfile(profileFile.getAbsolutePath(), 8844 pkg.applicationInfo.uid, pkg.packageName)) { 8845 Log.e(TAG, "Failed to copy system profile for stub package!"); 8846 } else { 8847 useProfileForDexopt = true; 8848 } 8849 } catch (Exception e) { 8850 Log.e(TAG, "Failed to copy profile " + 8851 profileFile.getAbsolutePath() + " ", e); 8852 } 8853 } 8854 } 8855 } 8856 } 8857 8858 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 8859 if (DEBUG_DEXOPT) { 8860 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 8861 } 8862 numberOfPackagesSkipped++; 8863 continue; 8864 } 8865 8866 if (DEBUG_DEXOPT) { 8867 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 8868 numberOfPackagesToDexopt + ": " + pkg.packageName); 8869 } 8870 8871 if (showDialog) { 8872 try { 8873 ActivityManager.getService().showBootMessage( 8874 mContext.getResources().getString(R.string.android_upgrading_apk, 8875 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 8876 } catch (RemoteException e) { 8877 } 8878 synchronized (mPackages) { 8879 mDexOptDialogShown = true; 8880 } 8881 } 8882 8883 String pkgCompilerFilter = compilerFilter; 8884 if (useProfileForDexopt) { 8885 // Use background dexopt mode to try and use the profile. Note that this does not 8886 // guarantee usage of the profile. 8887 pkgCompilerFilter = 8888 PackageManagerServiceCompilerMapping.getCompilerFilterForReason( 8889 PackageManagerService.REASON_BACKGROUND_DEXOPT); 8890 } 8891 8892 // checkProfiles is false to avoid merging profiles during boot which 8893 // might interfere with background compilation (b/28612421). 8894 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 8895 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 8896 // trade-off worth doing to save boot time work. 8897 int dexoptFlags = bootComplete ? DexoptOptions.DEXOPT_BOOT_COMPLETE : 0; 8898 int primaryDexOptStaus = performDexOptTraced(new DexoptOptions( 8899 pkg.packageName, 8900 pkgCompilerFilter, 8901 dexoptFlags)); 8902 8903 switch (primaryDexOptStaus) { 8904 case PackageDexOptimizer.DEX_OPT_PERFORMED: 8905 numberOfPackagesOptimized++; 8906 break; 8907 case PackageDexOptimizer.DEX_OPT_SKIPPED: 8908 numberOfPackagesSkipped++; 8909 break; 8910 case PackageDexOptimizer.DEX_OPT_FAILED: 8911 numberOfPackagesFailed++; 8912 break; 8913 default: 8914 Log.e(TAG, "Unexpected dexopt return code " + primaryDexOptStaus); 8915 break; 8916 } 8917 } 8918 8919 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 8920 numberOfPackagesFailed }; 8921 } 8922 8923 @Override 8924 public void notifyPackageUse(String packageName, int reason) { 8925 synchronized (mPackages) { 8926 final int callingUid = Binder.getCallingUid(); 8927 final int callingUserId = UserHandle.getUserId(callingUid); 8928 if (getInstantAppPackageName(callingUid) != null) { 8929 if (!isCallerSameApp(packageName, callingUid)) { 8930 return; 8931 } 8932 } else { 8933 if (isInstantApp(packageName, callingUserId)) { 8934 return; 8935 } 8936 } 8937 notifyPackageUseLocked(packageName, reason); 8938 } 8939 } 8940 8941 private void notifyPackageUseLocked(String packageName, int reason) { 8942 final PackageParser.Package p = mPackages.get(packageName); 8943 if (p == null) { 8944 return; 8945 } 8946 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 8947 } 8948 8949 @Override 8950 public void notifyDexLoad(String loadingPackageName, List<String> classLoaderNames, 8951 List<String> classPaths, String loaderIsa) { 8952 int userId = UserHandle.getCallingUserId(); 8953 ApplicationInfo ai = getApplicationInfo(loadingPackageName, /*flags*/ 0, userId); 8954 if (ai == null) { 8955 Slog.w(TAG, "Loading a package that does not exist for the calling user. package=" 8956 + loadingPackageName + ", user=" + userId); 8957 return; 8958 } 8959 mDexManager.notifyDexLoad(ai, classLoaderNames, classPaths, loaderIsa, userId); 8960 } 8961 8962 @Override 8963 public void registerDexModule(String packageName, String dexModulePath, boolean isSharedModule, 8964 IDexModuleRegisterCallback callback) { 8965 int userId = UserHandle.getCallingUserId(); 8966 ApplicationInfo ai = getApplicationInfo(packageName, /*flags*/ 0, userId); 8967 DexManager.RegisterDexModuleResult result; 8968 if (ai == null) { 8969 Slog.w(TAG, "Registering a dex module for a package that does not exist for the" + 8970 " calling user. package=" + packageName + ", user=" + userId); 8971 result = new DexManager.RegisterDexModuleResult(false, "Package not installed"); 8972 } else { 8973 result = mDexManager.registerDexModule(ai, dexModulePath, isSharedModule, userId); 8974 } 8975 8976 if (callback != null) { 8977 mHandler.post(() -> { 8978 try { 8979 callback.onDexModuleRegistered(dexModulePath, result.success, result.message); 8980 } catch (RemoteException e) { 8981 Slog.w(TAG, "Failed to callback after module registration " + dexModulePath, e); 8982 } 8983 }); 8984 } 8985 } 8986 8987 /** 8988 * Ask the package manager to perform a dex-opt with the given compiler filter. 8989 * 8990 * Note: exposed only for the shell command to allow moving packages explicitly to a 8991 * definite state. 8992 */ 8993 @Override 8994 public boolean performDexOptMode(String packageName, 8995 boolean checkProfiles, String targetCompilerFilter, boolean force, 8996 boolean bootComplete, String splitName) { 8997 int flags = (checkProfiles ? DexoptOptions.DEXOPT_CHECK_FOR_PROFILES_UPDATES : 0) | 8998 (force ? DexoptOptions.DEXOPT_FORCE : 0) | 8999 (bootComplete ? DexoptOptions.DEXOPT_BOOT_COMPLETE : 0); 9000 return performDexOpt(new DexoptOptions(packageName, targetCompilerFilter, 9001 splitName, flags)); 9002 } 9003 9004 /** 9005 * Ask the package manager to perform a dex-opt with the given compiler filter on the 9006 * secondary dex files belonging to the given package. 9007 * 9008 * Note: exposed only for the shell command to allow moving packages explicitly to a 9009 * definite state. 9010 */ 9011 @Override 9012 public boolean performDexOptSecondary(String packageName, String compilerFilter, 9013 boolean force) { 9014 int flags = DexoptOptions.DEXOPT_ONLY_SECONDARY_DEX | 9015 DexoptOptions.DEXOPT_CHECK_FOR_PROFILES_UPDATES | 9016 DexoptOptions.DEXOPT_BOOT_COMPLETE | 9017 (force ? DexoptOptions.DEXOPT_FORCE : 0); 9018 return performDexOpt(new DexoptOptions(packageName, compilerFilter, flags)); 9019 } 9020 9021 /*package*/ boolean performDexOpt(DexoptOptions options) { 9022 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 9023 return false; 9024 } else if (isInstantApp(options.getPackageName(), UserHandle.getCallingUserId())) { 9025 return false; 9026 } 9027 9028 if (options.isDexoptOnlySecondaryDex()) { 9029 return mDexManager.dexoptSecondaryDex(options); 9030 } else { 9031 int dexoptStatus = performDexOptWithStatus(options); 9032 return dexoptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 9033 } 9034 } 9035 9036 /** 9037 * Perform dexopt on the given package and return one of following result: 9038 * {@link PackageDexOptimizer#DEX_OPT_SKIPPED} 9039 * {@link PackageDexOptimizer#DEX_OPT_PERFORMED} 9040 * {@link PackageDexOptimizer#DEX_OPT_FAILED} 9041 */ 9042 /* package */ int performDexOptWithStatus(DexoptOptions options) { 9043 return performDexOptTraced(options); 9044 } 9045 9046 private int performDexOptTraced(DexoptOptions options) { 9047 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 9048 try { 9049 return performDexOptInternal(options); 9050 } finally { 9051 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9052 } 9053 } 9054 9055 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 9056 // if the package can now be considered up to date for the given filter. 9057 private int performDexOptInternal(DexoptOptions options) { 9058 PackageParser.Package p; 9059 synchronized (mPackages) { 9060 p = mPackages.get(options.getPackageName()); 9061 if (p == null) { 9062 // Package could not be found. Report failure. 9063 return PackageDexOptimizer.DEX_OPT_FAILED; 9064 } 9065 mPackageUsage.maybeWriteAsync(mPackages); 9066 mCompilerStats.maybeWriteAsync(); 9067 } 9068 long callingId = Binder.clearCallingIdentity(); 9069 try { 9070 synchronized (mInstallLock) { 9071 return performDexOptInternalWithDependenciesLI(p, options); 9072 } 9073 } finally { 9074 Binder.restoreCallingIdentity(callingId); 9075 } 9076 } 9077 9078 public ArraySet<String> getOptimizablePackages() { 9079 ArraySet<String> pkgs = new ArraySet<String>(); 9080 synchronized (mPackages) { 9081 for (PackageParser.Package p : mPackages.values()) { 9082 if (PackageDexOptimizer.canOptimizePackage(p)) { 9083 pkgs.add(p.packageName); 9084 } 9085 } 9086 } 9087 return pkgs; 9088 } 9089 9090 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 9091 DexoptOptions options) { 9092 // Select the dex optimizer based on the force parameter. 9093 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 9094 // allocate an object here. 9095 PackageDexOptimizer pdo = options.isForce() 9096 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 9097 : mPackageDexOptimizer; 9098 9099 // Dexopt all dependencies first. Note: we ignore the return value and march on 9100 // on errors. 9101 // Note that we are going to call performDexOpt on those libraries as many times as 9102 // they are referenced in packages. When we do a batch of performDexOpt (for example 9103 // at boot, or background job), the passed 'targetCompilerFilter' stays the same, 9104 // and the first package that uses the library will dexopt it. The 9105 // others will see that the compiled code for the library is up to date. 9106 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 9107 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 9108 if (!deps.isEmpty()) { 9109 DexoptOptions libraryOptions = new DexoptOptions(options.getPackageName(), 9110 options.getCompilerFilter(), options.getSplitName(), 9111 options.getFlags() | DexoptOptions.DEXOPT_AS_SHARED_LIBRARY); 9112 for (PackageParser.Package depPackage : deps) { 9113 // TODO: Analyze and investigate if we (should) profile libraries. 9114 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 9115 getOrCreateCompilerPackageStats(depPackage), 9116 mDexManager.getPackageUseInfoOrDefault(depPackage.packageName), libraryOptions); 9117 } 9118 } 9119 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, 9120 getOrCreateCompilerPackageStats(p), 9121 mDexManager.getPackageUseInfoOrDefault(p.packageName), options); 9122 } 9123 9124 /** 9125 * Reconcile the information we have about the secondary dex files belonging to 9126 * {@code packagName} and the actual dex files. For all dex files that were 9127 * deleted, update the internal records and delete the generated oat files. 9128 */ 9129 @Override 9130 public void reconcileSecondaryDexFiles(String packageName) { 9131 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 9132 return; 9133 } else if (isInstantApp(packageName, UserHandle.getCallingUserId())) { 9134 return; 9135 } 9136 mDexManager.reconcileSecondaryDexFiles(packageName); 9137 } 9138 9139 // TODO(calin): this is only needed for BackgroundDexOptService. Find a cleaner way to inject 9140 // a reference there. 9141 /*package*/ DexManager getDexManager() { 9142 return mDexManager; 9143 } 9144 9145 /** 9146 * Execute the background dexopt job immediately. 9147 */ 9148 @Override 9149 public boolean runBackgroundDexoptJob(@Nullable List<String> packageNames) { 9150 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 9151 return false; 9152 } 9153 return BackgroundDexOptService.runIdleOptimizationsNow(this, mContext, packageNames); 9154 } 9155 9156 List<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 9157 if (p.usesLibraries != null || p.usesOptionalLibraries != null 9158 || p.usesStaticLibraries != null) { 9159 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 9160 Set<String> collectedNames = new HashSet<>(); 9161 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 9162 9163 retValue.remove(p); 9164 9165 return retValue; 9166 } else { 9167 return Collections.emptyList(); 9168 } 9169 } 9170 9171 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 9172 ArrayList<PackageParser.Package> collected, Set<String> collectedNames) { 9173 if (!collectedNames.contains(p.packageName)) { 9174 collectedNames.add(p.packageName); 9175 collected.add(p); 9176 9177 if (p.usesLibraries != null) { 9178 findSharedNonSystemLibrariesRecursive(p.usesLibraries, 9179 null, collected, collectedNames); 9180 } 9181 if (p.usesOptionalLibraries != null) { 9182 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, 9183 null, collected, collectedNames); 9184 } 9185 if (p.usesStaticLibraries != null) { 9186 findSharedNonSystemLibrariesRecursive(p.usesStaticLibraries, 9187 p.usesStaticLibrariesVersions, collected, collectedNames); 9188 } 9189 } 9190 } 9191 9192 private void findSharedNonSystemLibrariesRecursive(ArrayList<String> libs, long[] versions, 9193 ArrayList<PackageParser.Package> collected, Set<String> collectedNames) { 9194 final int libNameCount = libs.size(); 9195 for (int i = 0; i < libNameCount; i++) { 9196 String libName = libs.get(i); 9197 long version = (versions != null && versions.length == libNameCount) 9198 ? versions[i] : PackageManager.VERSION_CODE_HIGHEST; 9199 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName, version); 9200 if (libPkg != null) { 9201 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 9202 } 9203 } 9204 } 9205 9206 private PackageParser.Package findSharedNonSystemLibrary(String name, long version) { 9207 synchronized (mPackages) { 9208 SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(name, version); 9209 if (libEntry != null) { 9210 return mPackages.get(libEntry.apk); 9211 } 9212 return null; 9213 } 9214 } 9215 9216 private SharedLibraryEntry getSharedLibraryEntryLPr(String name, long version) { 9217 LongSparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 9218 if (versionedLib == null) { 9219 return null; 9220 } 9221 return versionedLib.get(version); 9222 } 9223 9224 private SharedLibraryEntry getLatestSharedLibraVersionLPr(PackageParser.Package pkg) { 9225 LongSparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get( 9226 pkg.staticSharedLibName); 9227 if (versionedLib == null) { 9228 return null; 9229 } 9230 long previousLibVersion = -1; 9231 final int versionCount = versionedLib.size(); 9232 for (int i = 0; i < versionCount; i++) { 9233 final long libVersion = versionedLib.keyAt(i); 9234 if (libVersion < pkg.staticSharedLibVersion) { 9235 previousLibVersion = Math.max(previousLibVersion, libVersion); 9236 } 9237 } 9238 if (previousLibVersion >= 0) { 9239 return versionedLib.get(previousLibVersion); 9240 } 9241 return null; 9242 } 9243 9244 public void shutdown() { 9245 mPackageUsage.writeNow(mPackages); 9246 mCompilerStats.writeNow(); 9247 mDexManager.writePackageDexUsageNow(); 9248 } 9249 9250 @Override 9251 public void dumpProfiles(String packageName) { 9252 PackageParser.Package pkg; 9253 synchronized (mPackages) { 9254 pkg = mPackages.get(packageName); 9255 if (pkg == null) { 9256 throw new IllegalArgumentException("Unknown package: " + packageName); 9257 } 9258 } 9259 /* Only the shell, root, or the app user should be able to dump profiles. */ 9260 int callingUid = Binder.getCallingUid(); 9261 if (callingUid != Process.SHELL_UID && 9262 callingUid != Process.ROOT_UID && 9263 callingUid != pkg.applicationInfo.uid) { 9264 throw new SecurityException("dumpProfiles"); 9265 } 9266 9267 synchronized (mInstallLock) { 9268 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 9269 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 9270 try { 9271 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 9272 String codePaths = TextUtils.join(";", allCodePaths); 9273 mInstaller.dumpProfiles(sharedGid, packageName, codePaths); 9274 } catch (InstallerException e) { 9275 Slog.w(TAG, "Failed to dump profiles", e); 9276 } 9277 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9278 } 9279 } 9280 9281 @Override 9282 public void forceDexOpt(String packageName) { 9283 enforceSystemOrRoot("forceDexOpt"); 9284 9285 PackageParser.Package pkg; 9286 synchronized (mPackages) { 9287 pkg = mPackages.get(packageName); 9288 if (pkg == null) { 9289 throw new IllegalArgumentException("Unknown package: " + packageName); 9290 } 9291 } 9292 9293 synchronized (mInstallLock) { 9294 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 9295 9296 // Whoever is calling forceDexOpt wants a compiled package. 9297 // Don't use profiles since that may cause compilation to be skipped. 9298 final int res = performDexOptInternalWithDependenciesLI( 9299 pkg, 9300 new DexoptOptions(packageName, 9301 getDefaultCompilerFilter(), 9302 DexoptOptions.DEXOPT_FORCE | DexoptOptions.DEXOPT_BOOT_COMPLETE)); 9303 9304 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9305 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 9306 throw new IllegalStateException("Failed to dexopt: " + res); 9307 } 9308 } 9309 } 9310 9311 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 9312 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 9313 Slog.w(TAG, "Unable to update from " + oldPkg.name 9314 + " to " + newPkg.packageName 9315 + ": old package not in system partition"); 9316 return false; 9317 } else if (mPackages.get(oldPkg.name) != null) { 9318 Slog.w(TAG, "Unable to update from " + oldPkg.name 9319 + " to " + newPkg.packageName 9320 + ": old package still exists"); 9321 return false; 9322 } 9323 return true; 9324 } 9325 9326 void removeCodePathLI(File codePath) { 9327 if (codePath.isDirectory()) { 9328 try { 9329 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 9330 } catch (InstallerException e) { 9331 Slog.w(TAG, "Failed to remove code path", e); 9332 } 9333 } else { 9334 codePath.delete(); 9335 } 9336 } 9337 9338 private int[] resolveUserIds(int userId) { 9339 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 9340 } 9341 9342 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 9343 if (pkg == null) { 9344 Slog.wtf(TAG, "Package was null!", new Throwable()); 9345 return; 9346 } 9347 clearAppDataLeafLIF(pkg, userId, flags); 9348 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9349 for (int i = 0; i < childCount; i++) { 9350 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 9351 } 9352 } 9353 9354 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 9355 final PackageSetting ps; 9356 synchronized (mPackages) { 9357 ps = mSettings.mPackages.get(pkg.packageName); 9358 } 9359 for (int realUserId : resolveUserIds(userId)) { 9360 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 9361 try { 9362 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 9363 ceDataInode); 9364 } catch (InstallerException e) { 9365 Slog.w(TAG, String.valueOf(e)); 9366 } 9367 } 9368 } 9369 9370 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 9371 if (pkg == null) { 9372 Slog.wtf(TAG, "Package was null!", new Throwable()); 9373 return; 9374 } 9375 destroyAppDataLeafLIF(pkg, userId, flags); 9376 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9377 for (int i = 0; i < childCount; i++) { 9378 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 9379 } 9380 } 9381 9382 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 9383 final PackageSetting ps; 9384 synchronized (mPackages) { 9385 ps = mSettings.mPackages.get(pkg.packageName); 9386 } 9387 for (int realUserId : resolveUserIds(userId)) { 9388 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 9389 try { 9390 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 9391 ceDataInode); 9392 } catch (InstallerException e) { 9393 Slog.w(TAG, String.valueOf(e)); 9394 } 9395 mDexManager.notifyPackageDataDestroyed(pkg.packageName, userId); 9396 } 9397 } 9398 9399 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 9400 if (pkg == null) { 9401 Slog.wtf(TAG, "Package was null!", new Throwable()); 9402 return; 9403 } 9404 destroyAppProfilesLeafLIF(pkg); 9405 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9406 for (int i = 0; i < childCount; i++) { 9407 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 9408 } 9409 } 9410 9411 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 9412 try { 9413 mInstaller.destroyAppProfiles(pkg.packageName); 9414 } catch (InstallerException e) { 9415 Slog.w(TAG, String.valueOf(e)); 9416 } 9417 } 9418 9419 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 9420 if (pkg == null) { 9421 Slog.wtf(TAG, "Package was null!", new Throwable()); 9422 return; 9423 } 9424 clearAppProfilesLeafLIF(pkg); 9425 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9426 for (int i = 0; i < childCount; i++) { 9427 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 9428 } 9429 } 9430 9431 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 9432 try { 9433 mInstaller.clearAppProfiles(pkg.packageName); 9434 } catch (InstallerException e) { 9435 Slog.w(TAG, String.valueOf(e)); 9436 } 9437 } 9438 9439 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 9440 long lastUpdateTime) { 9441 // Set parent install/update time 9442 PackageSetting ps = (PackageSetting) pkg.mExtras; 9443 if (ps != null) { 9444 ps.firstInstallTime = firstInstallTime; 9445 ps.lastUpdateTime = lastUpdateTime; 9446 } 9447 // Set children install/update time 9448 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9449 for (int i = 0; i < childCount; i++) { 9450 PackageParser.Package childPkg = pkg.childPackages.get(i); 9451 ps = (PackageSetting) childPkg.mExtras; 9452 if (ps != null) { 9453 ps.firstInstallTime = firstInstallTime; 9454 ps.lastUpdateTime = lastUpdateTime; 9455 } 9456 } 9457 } 9458 9459 private void addSharedLibraryLPr(Set<String> usesLibraryFiles, 9460 SharedLibraryEntry file, 9461 PackageParser.Package changingLib) { 9462 if (file.path != null) { 9463 usesLibraryFiles.add(file.path); 9464 return; 9465 } 9466 PackageParser.Package p = mPackages.get(file.apk); 9467 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 9468 // If we are doing this while in the middle of updating a library apk, 9469 // then we need to make sure to use that new apk for determining the 9470 // dependencies here. (We haven't yet finished committing the new apk 9471 // to the package manager state.) 9472 if (p == null || p.packageName.equals(changingLib.packageName)) { 9473 p = changingLib; 9474 } 9475 } 9476 if (p != null) { 9477 usesLibraryFiles.addAll(p.getAllCodePaths()); 9478 if (p.usesLibraryFiles != null) { 9479 Collections.addAll(usesLibraryFiles, p.usesLibraryFiles); 9480 } 9481 } 9482 } 9483 9484 private void updateSharedLibrariesLPr(PackageParser.Package pkg, 9485 PackageParser.Package changingLib) throws PackageManagerException { 9486 if (pkg == null) { 9487 return; 9488 } 9489 // The collection used here must maintain the order of addition (so 9490 // that libraries are searched in the correct order) and must have no 9491 // duplicates. 9492 Set<String> usesLibraryFiles = null; 9493 if (pkg.usesLibraries != null) { 9494 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesLibraries, 9495 null, null, pkg.packageName, changingLib, true, 9496 pkg.applicationInfo.targetSdkVersion, null); 9497 } 9498 if (pkg.usesStaticLibraries != null) { 9499 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesStaticLibraries, 9500 pkg.usesStaticLibrariesVersions, pkg.usesStaticLibrariesCertDigests, 9501 pkg.packageName, changingLib, true, 9502 pkg.applicationInfo.targetSdkVersion, usesLibraryFiles); 9503 } 9504 if (pkg.usesOptionalLibraries != null) { 9505 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesOptionalLibraries, 9506 null, null, pkg.packageName, changingLib, false, 9507 pkg.applicationInfo.targetSdkVersion, usesLibraryFiles); 9508 } 9509 if (!ArrayUtils.isEmpty(usesLibraryFiles)) { 9510 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[usesLibraryFiles.size()]); 9511 } else { 9512 pkg.usesLibraryFiles = null; 9513 } 9514 } 9515 9516 private Set<String> addSharedLibrariesLPw(@NonNull List<String> requestedLibraries, 9517 @Nullable long[] requiredVersions, @Nullable String[][] requiredCertDigests, 9518 @NonNull String packageName, @Nullable PackageParser.Package changingLib, 9519 boolean required, int targetSdk, @Nullable Set<String> outUsedLibraries) 9520 throws PackageManagerException { 9521 final int libCount = requestedLibraries.size(); 9522 for (int i = 0; i < libCount; i++) { 9523 final String libName = requestedLibraries.get(i); 9524 final long libVersion = requiredVersions != null ? requiredVersions[i] 9525 : SharedLibraryInfo.VERSION_UNDEFINED; 9526 final SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(libName, libVersion); 9527 if (libEntry == null) { 9528 if (required) { 9529 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 9530 "Package " + packageName + " requires unavailable shared library " 9531 + libName + "; failing!"); 9532 } else if (DEBUG_SHARED_LIBRARIES) { 9533 Slog.i(TAG, "Package " + packageName 9534 + " desires unavailable shared library " 9535 + libName + "; ignoring!"); 9536 } 9537 } else { 9538 if (requiredVersions != null && requiredCertDigests != null) { 9539 if (libEntry.info.getLongVersion() != requiredVersions[i]) { 9540 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 9541 "Package " + packageName + " requires unavailable static shared" 9542 + " library " + libName + " version " 9543 + libEntry.info.getLongVersion() + "; failing!"); 9544 } 9545 9546 PackageParser.Package libPkg = mPackages.get(libEntry.apk); 9547 if (libPkg == null) { 9548 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 9549 "Package " + packageName + " requires unavailable static shared" 9550 + " library; failing!"); 9551 } 9552 9553 final String[] expectedCertDigests = requiredCertDigests[i]; 9554 // For apps targeting O MR1 we require explicit enumeration of all certs. 9555 final String[] libCertDigests = (targetSdk > Build.VERSION_CODES.O) 9556 ? PackageUtils.computeSignaturesSha256Digests( 9557 libPkg.mSigningDetails.signatures) 9558 : PackageUtils.computeSignaturesSha256Digests( 9559 new Signature[]{libPkg.mSigningDetails.signatures[0]}); 9560 9561 // Take a shortcut if sizes don't match. Note that if an app doesn't 9562 // target O we don't parse the "additional-certificate" tags similarly 9563 // how we only consider all certs only for apps targeting O (see above). 9564 // Therefore, the size check is safe to make. 9565 if (expectedCertDigests.length != libCertDigests.length) { 9566 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 9567 "Package " + packageName + " requires differently signed" + 9568 " static shared library; failing!"); 9569 } 9570 9571 // Use a predictable order as signature order may vary 9572 Arrays.sort(libCertDigests); 9573 Arrays.sort(expectedCertDigests); 9574 9575 final int certCount = libCertDigests.length; 9576 for (int j = 0; j < certCount; j++) { 9577 if (!libCertDigests[j].equalsIgnoreCase(expectedCertDigests[j])) { 9578 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 9579 "Package " + packageName + " requires differently signed" + 9580 " static shared library; failing!"); 9581 } 9582 } 9583 } 9584 9585 if (outUsedLibraries == null) { 9586 // Use LinkedHashSet to preserve the order of files added to 9587 // usesLibraryFiles while eliminating duplicates. 9588 outUsedLibraries = new LinkedHashSet<>(); 9589 } 9590 addSharedLibraryLPr(outUsedLibraries, libEntry, changingLib); 9591 } 9592 } 9593 return outUsedLibraries; 9594 } 9595 9596 private static boolean hasString(List<String> list, List<String> which) { 9597 if (list == null) { 9598 return false; 9599 } 9600 for (int i=list.size()-1; i>=0; i--) { 9601 for (int j=which.size()-1; j>=0; j--) { 9602 if (which.get(j).equals(list.get(i))) { 9603 return true; 9604 } 9605 } 9606 } 9607 return false; 9608 } 9609 9610 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 9611 PackageParser.Package changingPkg) { 9612 ArrayList<PackageParser.Package> res = null; 9613 for (PackageParser.Package pkg : mPackages.values()) { 9614 if (changingPkg != null 9615 && !hasString(pkg.usesLibraries, changingPkg.libraryNames) 9616 && !hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames) 9617 && !ArrayUtils.contains(pkg.usesStaticLibraries, 9618 changingPkg.staticSharedLibName)) { 9619 return null; 9620 } 9621 if (res == null) { 9622 res = new ArrayList<>(); 9623 } 9624 res.add(pkg); 9625 try { 9626 updateSharedLibrariesLPr(pkg, changingPkg); 9627 } catch (PackageManagerException e) { 9628 // If a system app update or an app and a required lib missing we 9629 // delete the package and for updated system apps keep the data as 9630 // it is better for the user to reinstall than to be in an limbo 9631 // state. Also libs disappearing under an app should never happen 9632 // - just in case. 9633 if (!pkg.isSystem() || pkg.isUpdatedSystemApp()) { 9634 final int flags = pkg.isUpdatedSystemApp() 9635 ? PackageManager.DELETE_KEEP_DATA : 0; 9636 deletePackageLIF(pkg.packageName, null, true, sUserManager.getUserIds(), 9637 flags , null, true, null); 9638 } 9639 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 9640 } 9641 } 9642 return res; 9643 } 9644 9645 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 9646 final @ParseFlags int parseFlags, @ScanFlags int scanFlags, long currentTime, 9647 @Nullable UserHandle user) throws PackageManagerException { 9648 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 9649 // If the package has children and this is the first dive in the function 9650 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 9651 // whether all packages (parent and children) would be successfully scanned 9652 // before the actual scan since scanning mutates internal state and we want 9653 // to atomically install the package and its children. 9654 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 9655 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 9656 scanFlags |= SCAN_CHECK_ONLY; 9657 } 9658 } else { 9659 scanFlags &= ~SCAN_CHECK_ONLY; 9660 } 9661 9662 final PackageParser.Package scannedPkg; 9663 try { 9664 // Scan the parent 9665 scannedPkg = scanPackageNewLI(pkg, parseFlags, scanFlags, currentTime, user); 9666 // Scan the children 9667 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9668 for (int i = 0; i < childCount; i++) { 9669 PackageParser.Package childPkg = pkg.childPackages.get(i); 9670 scanPackageNewLI(childPkg, parseFlags, 9671 scanFlags, currentTime, user); 9672 } 9673 } finally { 9674 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9675 } 9676 9677 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 9678 return scanPackageTracedLI(pkg, parseFlags, scanFlags, currentTime, user); 9679 } 9680 9681 return scannedPkg; 9682 } 9683 9684 /** The result of a package scan. */ 9685 private static class ScanResult { 9686 /** Whether or not the package scan was successful */ 9687 public final boolean success; 9688 /** 9689 * The final package settings. This may be the same object passed in 9690 * the {@link ScanRequest}, but, with modified values. 9691 */ 9692 @Nullable public final PackageSetting pkgSetting; 9693 /** ABI code paths that have changed in the package scan */ 9694 @Nullable public final List<String> changedAbiCodePath; 9695 public ScanResult( 9696 boolean success, 9697 @Nullable PackageSetting pkgSetting, 9698 @Nullable List<String> changedAbiCodePath) { 9699 this.success = success; 9700 this.pkgSetting = pkgSetting; 9701 this.changedAbiCodePath = changedAbiCodePath; 9702 } 9703 } 9704 9705 /** A package to be scanned */ 9706 private static class ScanRequest { 9707 /** The parsed package */ 9708 @NonNull public final PackageParser.Package pkg; 9709 /** Shared user settings, if the package has a shared user */ 9710 @Nullable public final SharedUserSetting sharedUserSetting; 9711 /** 9712 * Package settings of the currently installed version. 9713 * <p><em>IMPORTANT:</em> The contents of this object may be modified 9714 * during scan. 9715 */ 9716 @Nullable public final PackageSetting pkgSetting; 9717 /** A copy of the settings for the currently installed version */ 9718 @Nullable public final PackageSetting oldPkgSetting; 9719 /** Package settings for the disabled version on the /system partition */ 9720 @Nullable public final PackageSetting disabledPkgSetting; 9721 /** Package settings for the installed version under its original package name */ 9722 @Nullable public final PackageSetting originalPkgSetting; 9723 /** The real package name of a renamed application */ 9724 @Nullable public final String realPkgName; 9725 public final @ParseFlags int parseFlags; 9726 public final @ScanFlags int scanFlags; 9727 /** The user for which the package is being scanned */ 9728 @Nullable public final UserHandle user; 9729 /** Whether or not the platform package is being scanned */ 9730 public final boolean isPlatformPackage; 9731 public ScanRequest( 9732 @NonNull PackageParser.Package pkg, 9733 @Nullable SharedUserSetting sharedUserSetting, 9734 @Nullable PackageSetting pkgSetting, 9735 @Nullable PackageSetting disabledPkgSetting, 9736 @Nullable PackageSetting originalPkgSetting, 9737 @Nullable String realPkgName, 9738 @ParseFlags int parseFlags, 9739 @ScanFlags int scanFlags, 9740 boolean isPlatformPackage, 9741 @Nullable UserHandle user) { 9742 this.pkg = pkg; 9743 this.pkgSetting = pkgSetting; 9744 this.sharedUserSetting = sharedUserSetting; 9745 this.oldPkgSetting = pkgSetting == null ? null : new PackageSetting(pkgSetting); 9746 this.disabledPkgSetting = disabledPkgSetting; 9747 this.originalPkgSetting = originalPkgSetting; 9748 this.realPkgName = realPkgName; 9749 this.parseFlags = parseFlags; 9750 this.scanFlags = scanFlags; 9751 this.isPlatformPackage = isPlatformPackage; 9752 this.user = user; 9753 } 9754 } 9755 9756 /** 9757 * Returns the actual scan flags depending upon the state of the other settings. 9758 * <p>Updated system applications will not have the following flags set 9759 * by default and need to be adjusted after the fact: 9760 * <ul> 9761 * <li>{@link #SCAN_AS_SYSTEM}</li> 9762 * <li>{@link #SCAN_AS_PRIVILEGED}</li> 9763 * <li>{@link #SCAN_AS_OEM}</li> 9764 * <li>{@link #SCAN_AS_VENDOR}</li> 9765 * <li>{@link #SCAN_AS_INSTANT_APP}</li> 9766 * <li>{@link #SCAN_AS_VIRTUAL_PRELOAD}</li> 9767 * </ul> 9768 */ 9769 private static @ScanFlags int adjustScanFlags(@ScanFlags int scanFlags, 9770 PackageSetting pkgSetting, PackageSetting disabledPkgSetting, UserHandle user) { 9771 if (disabledPkgSetting != null) { 9772 // updated system application, must at least have SCAN_AS_SYSTEM 9773 scanFlags |= SCAN_AS_SYSTEM; 9774 if ((disabledPkgSetting.pkgPrivateFlags 9775 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 9776 scanFlags |= SCAN_AS_PRIVILEGED; 9777 } 9778 if ((disabledPkgSetting.pkgPrivateFlags 9779 & ApplicationInfo.PRIVATE_FLAG_OEM) != 0) { 9780 scanFlags |= SCAN_AS_OEM; 9781 } 9782 if ((disabledPkgSetting.pkgPrivateFlags 9783 & ApplicationInfo.PRIVATE_FLAG_VENDOR) != 0) { 9784 scanFlags |= SCAN_AS_VENDOR; 9785 } 9786 } 9787 if (pkgSetting != null) { 9788 final int userId = ((user == null) ? 0 : user.getIdentifier()); 9789 if (pkgSetting.getInstantApp(userId)) { 9790 scanFlags |= SCAN_AS_INSTANT_APP; 9791 } 9792 if (pkgSetting.getVirtulalPreload(userId)) { 9793 scanFlags |= SCAN_AS_VIRTUAL_PRELOAD; 9794 } 9795 } 9796 return scanFlags; 9797 } 9798 9799 @GuardedBy("mInstallLock") 9800 private PackageParser.Package scanPackageNewLI(@NonNull PackageParser.Package pkg, 9801 final @ParseFlags int parseFlags, @ScanFlags int scanFlags, long currentTime, 9802 @Nullable UserHandle user) throws PackageManagerException { 9803 9804 final String renamedPkgName = mSettings.getRenamedPackageLPr(pkg.mRealPackage); 9805 final String realPkgName = getRealPackageName(pkg, renamedPkgName); 9806 if (realPkgName != null) { 9807 ensurePackageRenamed(pkg, renamedPkgName); 9808 } 9809 final PackageSetting originalPkgSetting = getOriginalPackageLocked(pkg, renamedPkgName); 9810 final PackageSetting pkgSetting = mSettings.getPackageLPr(pkg.packageName); 9811 final PackageSetting disabledPkgSetting = 9812 mSettings.getDisabledSystemPkgLPr(pkg.packageName); 9813 9814 if (mTransferedPackages.contains(pkg.packageName)) { 9815 Slog.w(TAG, "Package " + pkg.packageName 9816 + " was transferred to another, but its .apk remains"); 9817 } 9818 9819 scanFlags = adjustScanFlags(scanFlags, pkgSetting, disabledPkgSetting, user); 9820 synchronized (mPackages) { 9821 applyPolicy(pkg, parseFlags, scanFlags); 9822 assertPackageIsValid(pkg, parseFlags, scanFlags); 9823 9824 SharedUserSetting sharedUserSetting = null; 9825 if (pkg.mSharedUserId != null) { 9826 // SIDE EFFECTS; may potentially allocate a new shared user 9827 sharedUserSetting = mSettings.getSharedUserLPw( 9828 pkg.mSharedUserId, 0 /*pkgFlags*/, 0 /*pkgPrivateFlags*/, true /*create*/); 9829 if (DEBUG_PACKAGE_SCANNING) { 9830 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 9831 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId 9832 + " (uid=" + sharedUserSetting.userId + "):" 9833 + " packages=" + sharedUserSetting.packages); 9834 } 9835 } 9836 9837 boolean scanSucceeded = false; 9838 try { 9839 final ScanRequest request = new ScanRequest(pkg, sharedUserSetting, pkgSetting, 9840 disabledPkgSetting, originalPkgSetting, realPkgName, parseFlags, scanFlags, 9841 (pkg == mPlatformPackage), user); 9842 final ScanResult result = scanPackageOnlyLI(request, mFactoryTest, currentTime); 9843 if (result.success) { 9844 commitScanResultsLocked(request, result); 9845 } 9846 scanSucceeded = true; 9847 } finally { 9848 if (!scanSucceeded && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 9849 // DELETE_DATA_ON_FAILURES is only used by frozen paths 9850 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 9851 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 9852 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 9853 } 9854 } 9855 } 9856 return pkg; 9857 } 9858 9859 /** 9860 * Commits the package scan and modifies system state. 9861 * <p><em>WARNING:</em> The method may throw an excpetion in the middle 9862 * of committing the package, leaving the system in an inconsistent state. 9863 * This needs to be fixed so, once we get to this point, no errors are 9864 * possible and the system is not left in an inconsistent state. 9865 */ 9866 @GuardedBy("mPackages") 9867 private void commitScanResultsLocked(@NonNull ScanRequest request, @NonNull ScanResult result) 9868 throws PackageManagerException { 9869 final PackageParser.Package pkg = request.pkg; 9870 final @ParseFlags int parseFlags = request.parseFlags; 9871 final @ScanFlags int scanFlags = request.scanFlags; 9872 final PackageSetting oldPkgSetting = request.oldPkgSetting; 9873 final PackageSetting originalPkgSetting = request.originalPkgSetting; 9874 final PackageSetting disabledPkgSetting = request.disabledPkgSetting; 9875 final UserHandle user = request.user; 9876 final String realPkgName = request.realPkgName; 9877 final PackageSetting pkgSetting = result.pkgSetting; 9878 final List<String> changedAbiCodePath = result.changedAbiCodePath; 9879 final boolean newPkgSettingCreated = (result.pkgSetting != request.pkgSetting); 9880 9881 if (newPkgSettingCreated) { 9882 if (originalPkgSetting != null) { 9883 mSettings.addRenamedPackageLPw(pkg.packageName, originalPkgSetting.name); 9884 } 9885 // THROWS: when we can't allocate a user id. add call to check if there's 9886 // enough space to ensure we won't throw; otherwise, don't modify state 9887 mSettings.addUserToSettingLPw(pkgSetting); 9888 9889 if (originalPkgSetting != null && (scanFlags & SCAN_CHECK_ONLY) == 0) { 9890 mTransferedPackages.add(originalPkgSetting.name); 9891 } 9892 } 9893 // TODO(toddke): Consider a method specifically for modifying the Package object 9894 // post scan; or, moving this stuff out of the Package object since it has nothing 9895 // to do with the package on disk. 9896 // We need to have this here because addUserToSettingLPw() is sometimes responsible 9897 // for creating the application ID. If we did this earlier, we would be saving the 9898 // correct ID. 9899 pkg.applicationInfo.uid = pkgSetting.appId; 9900 9901 mSettings.writeUserRestrictionsLPw(pkgSetting, oldPkgSetting); 9902 9903 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realPkgName != null) { 9904 mTransferedPackages.add(pkg.packageName); 9905 } 9906 9907 // THROWS: when requested libraries that can't be found. it only changes 9908 // the state of the passed in pkg object, so, move to the top of the method 9909 // and allow it to abort 9910 if ((scanFlags & SCAN_BOOTING) == 0 9911 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9912 // Check all shared libraries and map to their actual file path. 9913 // We only do this here for apps not on a system dir, because those 9914 // are the only ones that can fail an install due to this. We 9915 // will take care of the system apps by updating all of their 9916 // library paths after the scan is done. Also during the initial 9917 // scan don't update any libs as we do this wholesale after all 9918 // apps are scanned to avoid dependency based scanning. 9919 updateSharedLibrariesLPr(pkg, null); 9920 } 9921 9922 // All versions of a static shared library are referenced with the same 9923 // package name. Internally, we use a synthetic package name to allow 9924 // multiple versions of the same shared library to be installed. So, 9925 // we need to generate the synthetic package name of the latest shared 9926 // library in order to compare signatures. 9927 PackageSetting signatureCheckPs = pkgSetting; 9928 if (pkg.applicationInfo.isStaticSharedLibrary()) { 9929 SharedLibraryEntry libraryEntry = getLatestSharedLibraVersionLPr(pkg); 9930 if (libraryEntry != null) { 9931 signatureCheckPs = mSettings.getPackageLPr(libraryEntry.apk); 9932 } 9933 } 9934 9935 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 9936 if (ksms.shouldCheckUpgradeKeySetLocked(signatureCheckPs, scanFlags)) { 9937 if (ksms.checkUpgradeKeySetLocked(signatureCheckPs, pkg)) { 9938 // We just determined the app is signed correctly, so bring 9939 // over the latest parsed certs. 9940 pkgSetting.signatures.mSignatures = pkg.mSigningDetails.signatures; 9941 } else { 9942 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9943 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 9944 "Package " + pkg.packageName + " upgrade keys do not match the " 9945 + "previously installed version"); 9946 } else { 9947 pkgSetting.signatures.mSignatures = pkg.mSigningDetails.signatures; 9948 String msg = "System package " + pkg.packageName 9949 + " signature changed; retaining data."; 9950 reportSettingsProblem(Log.WARN, msg); 9951 } 9952 } 9953 } else { 9954 try { 9955 final boolean compareCompat = isCompatSignatureUpdateNeeded(pkg); 9956 final boolean compareRecover = isRecoverSignatureUpdateNeeded(pkg); 9957 final boolean compatMatch = verifySignatures(signatureCheckPs, disabledPkgSetting, 9958 pkg.mSigningDetails, compareCompat, compareRecover); 9959 // The new KeySets will be re-added later in the scanning process. 9960 if (compatMatch) { 9961 synchronized (mPackages) { 9962 ksms.removeAppKeySetDataLPw(pkg.packageName); 9963 } 9964 } 9965 // We just determined the app is signed correctly, so bring 9966 // over the latest parsed certs. 9967 pkgSetting.signatures.mSignatures = pkg.mSigningDetails.signatures; 9968 } catch (PackageManagerException e) { 9969 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9970 throw e; 9971 } 9972 // The signature has changed, but this package is in the system 9973 // image... let's recover! 9974 pkgSetting.signatures.mSignatures = pkg.mSigningDetails.signatures; 9975 // However... if this package is part of a shared user, but it 9976 // doesn't match the signature of the shared user, let's fail. 9977 // What this means is that you can't change the signatures 9978 // associated with an overall shared user, which doesn't seem all 9979 // that unreasonable. 9980 if (signatureCheckPs.sharedUser != null) { 9981 if (compareSignatures(signatureCheckPs.sharedUser.signatures.mSignatures, 9982 pkg.mSigningDetails.signatures) != PackageManager.SIGNATURE_MATCH) { 9983 throw new PackageManagerException( 9984 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 9985 "Signature mismatch for shared user: " 9986 + pkgSetting.sharedUser); 9987 } 9988 } 9989 // File a report about this. 9990 String msg = "System package " + pkg.packageName 9991 + " signature changed; retaining data."; 9992 reportSettingsProblem(Log.WARN, msg); 9993 } 9994 } 9995 9996 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 9997 // This package wants to adopt ownership of permissions from 9998 // another package. 9999 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 10000 final String origName = pkg.mAdoptPermissions.get(i); 10001 final PackageSetting orig = mSettings.getPackageLPr(origName); 10002 if (orig != null) { 10003 if (verifyPackageUpdateLPr(orig, pkg)) { 10004 Slog.i(TAG, "Adopting permissions from " + origName + " to " 10005 + pkg.packageName); 10006 mSettings.mPermissions.transferPermissions(origName, pkg.packageName); 10007 } 10008 } 10009 } 10010 } 10011 10012 if (changedAbiCodePath != null && changedAbiCodePath.size() > 0) { 10013 for (int i = changedAbiCodePath.size() - 1; i <= 0; --i) { 10014 final String codePathString = changedAbiCodePath.get(i); 10015 try { 10016 mInstaller.rmdex(codePathString, 10017 getDexCodeInstructionSet(getPreferredInstructionSet())); 10018 } catch (InstallerException ignored) { 10019 } 10020 } 10021 } 10022 10023 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 10024 if (oldPkgSetting != null) { 10025 synchronized (mPackages) { 10026 mSettings.mPackages.put(oldPkgSetting.name, oldPkgSetting); 10027 } 10028 } 10029 } else { 10030 final int userId = user == null ? 0 : user.getIdentifier(); 10031 // Modify state for the given package setting 10032 commitPackageSettings(pkg, pkgSetting, user, scanFlags, 10033 (parseFlags & PackageParser.PARSE_CHATTY) != 0 /*chatty*/); 10034 if (pkgSetting.getInstantApp(userId)) { 10035 mInstantAppRegistry.addInstantAppLPw(userId, pkgSetting.appId); 10036 } 10037 } 10038 } 10039 10040 /** 10041 * Returns the "real" name of the package. 10042 * <p>This may differ from the package's actual name if the application has already 10043 * been installed under one of this package's original names. 10044 */ 10045 private static @Nullable String getRealPackageName(@NonNull PackageParser.Package pkg, 10046 @Nullable String renamedPkgName) { 10047 if (isPackageRenamed(pkg, renamedPkgName)) { 10048 return pkg.mRealPackage; 10049 } 10050 return null; 10051 } 10052 10053 /** Returns {@code true} if the package has been renamed. Otherwise, {@code false}. */ 10054 private static boolean isPackageRenamed(@NonNull PackageParser.Package pkg, 10055 @Nullable String renamedPkgName) { 10056 return pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(renamedPkgName); 10057 } 10058 10059 /** 10060 * Returns the original package setting. 10061 * <p>A package can migrate its name during an update. In this scenario, a package 10062 * designates a set of names that it considers as one of its original names. 10063 * <p>An original package must be signed identically and it must have the same 10064 * shared user [if any]. 10065 */ 10066 @GuardedBy("mPackages") 10067 private @Nullable PackageSetting getOriginalPackageLocked(@NonNull PackageParser.Package pkg, 10068 @Nullable String renamedPkgName) { 10069 if (!isPackageRenamed(pkg, renamedPkgName)) { 10070 return null; 10071 } 10072 for (int i = pkg.mOriginalPackages.size() - 1; i >= 0; --i) { 10073 final PackageSetting originalPs = 10074 mSettings.getPackageLPr(pkg.mOriginalPackages.get(i)); 10075 if (originalPs != null) { 10076 // the package is already installed under its original name... 10077 // but, should we use it? 10078 if (!verifyPackageUpdateLPr(originalPs, pkg)) { 10079 // the new package is incompatible with the original 10080 continue; 10081 } else if (originalPs.sharedUser != null) { 10082 if (!originalPs.sharedUser.name.equals(pkg.mSharedUserId)) { 10083 // the shared user id is incompatible with the original 10084 Slog.w(TAG, "Unable to migrate data from " + originalPs.name 10085 + " to " + pkg.packageName + ": old uid " 10086 + originalPs.sharedUser.name 10087 + " differs from " + pkg.mSharedUserId); 10088 continue; 10089 } 10090 // TODO: Add case when shared user id is added [b/28144775] 10091 } else { 10092 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 10093 + pkg.packageName + " to old name " + originalPs.name); 10094 } 10095 return originalPs; 10096 } 10097 } 10098 return null; 10099 } 10100 10101 /** 10102 * Renames the package if it was installed under a different name. 10103 * <p>When we've already installed the package under an original name, update 10104 * the new package so we can continue to have the old name. 10105 */ 10106 private static void ensurePackageRenamed(@NonNull PackageParser.Package pkg, 10107 @NonNull String renamedPackageName) { 10108 if (pkg.mOriginalPackages == null 10109 || !pkg.mOriginalPackages.contains(renamedPackageName) 10110 || pkg.packageName.equals(renamedPackageName)) { 10111 return; 10112 } 10113 pkg.setPackageName(renamedPackageName); 10114 } 10115 10116 /** 10117 * Just scans the package without any side effects. 10118 * <p>Not entirely true at the moment. There is still one side effect -- this 10119 * method potentially modifies a live {@link PackageSetting} object representing 10120 * the package being scanned. This will be resolved in the future. 10121 * 10122 * @param request Information about the package to be scanned 10123 * @param isUnderFactoryTest Whether or not the device is under factory test 10124 * @param currentTime The current time, in millis 10125 * @return The results of the scan 10126 */ 10127 @GuardedBy("mInstallLock") 10128 private static @NonNull ScanResult scanPackageOnlyLI(@NonNull ScanRequest request, 10129 boolean isUnderFactoryTest, long currentTime) 10130 throws PackageManagerException { 10131 final PackageParser.Package pkg = request.pkg; 10132 PackageSetting pkgSetting = request.pkgSetting; 10133 final PackageSetting disabledPkgSetting = request.disabledPkgSetting; 10134 final PackageSetting originalPkgSetting = request.originalPkgSetting; 10135 final @ParseFlags int parseFlags = request.parseFlags; 10136 final @ScanFlags int scanFlags = request.scanFlags; 10137 final String realPkgName = request.realPkgName; 10138 final SharedUserSetting sharedUserSetting = request.sharedUserSetting; 10139 final UserHandle user = request.user; 10140 final boolean isPlatformPackage = request.isPlatformPackage; 10141 10142 List<String> changedAbiCodePath = null; 10143 10144 if (DEBUG_PACKAGE_SCANNING) { 10145 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 10146 Log.d(TAG, "Scanning package " + pkg.packageName); 10147 } 10148 10149 if (Build.IS_DEBUGGABLE && 10150 pkg.isPrivileged() && 10151 !SystemProperties.getBoolean("pm.dexopt.priv-apps", true)) { 10152 PackageManagerServiceUtils.logPackageHasUncompressedCode(pkg); 10153 } 10154 10155 // Initialize package source and resource directories 10156 final File scanFile = new File(pkg.codePath); 10157 final File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 10158 final File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 10159 10160 // We keep references to the derived CPU Abis from settings in oder to reuse 10161 // them in the case where we're not upgrading or booting for the first time. 10162 String primaryCpuAbiFromSettings = null; 10163 String secondaryCpuAbiFromSettings = null; 10164 boolean needToDeriveAbi = (scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) != 0; 10165 10166 if (!needToDeriveAbi) { 10167 if (pkgSetting != null) { 10168 primaryCpuAbiFromSettings = pkgSetting.primaryCpuAbiString; 10169 secondaryCpuAbiFromSettings = pkgSetting.secondaryCpuAbiString; 10170 } else { 10171 // Re-scanning a system package after uninstalling updates; need to derive ABI 10172 needToDeriveAbi = true; 10173 } 10174 } 10175 10176 if (pkgSetting != null && pkgSetting.sharedUser != sharedUserSetting) { 10177 PackageManagerService.reportSettingsProblem(Log.WARN, 10178 "Package " + pkg.packageName + " shared user changed from " 10179 + (pkgSetting.sharedUser != null 10180 ? pkgSetting.sharedUser.name : "<nothing>") 10181 + " to " 10182 + (sharedUserSetting != null ? sharedUserSetting.name : "<nothing>") 10183 + "; replacing with new"); 10184 pkgSetting = null; 10185 } 10186 10187 String[] usesStaticLibraries = null; 10188 if (pkg.usesStaticLibraries != null) { 10189 usesStaticLibraries = new String[pkg.usesStaticLibraries.size()]; 10190 pkg.usesStaticLibraries.toArray(usesStaticLibraries); 10191 } 10192 final boolean createNewPackage = (pkgSetting == null); 10193 if (createNewPackage) { 10194 final String parentPackageName = (pkg.parentPackage != null) 10195 ? pkg.parentPackage.packageName : null; 10196 final boolean instantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 10197 final boolean virtualPreload = (scanFlags & SCAN_AS_VIRTUAL_PRELOAD) != 0; 10198 // REMOVE SharedUserSetting from method; update in a separate call 10199 pkgSetting = Settings.createNewSetting(pkg.packageName, originalPkgSetting, 10200 disabledPkgSetting, realPkgName, sharedUserSetting, destCodeFile, 10201 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 10202 pkg.applicationInfo.primaryCpuAbi, pkg.applicationInfo.secondaryCpuAbi, 10203 pkg.mVersionCode, pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 10204 user, true /*allowInstall*/, instantApp, virtualPreload, 10205 parentPackageName, pkg.getChildPackageNames(), 10206 UserManagerService.getInstance(), usesStaticLibraries, 10207 pkg.usesStaticLibrariesVersions); 10208 } else { 10209 // REMOVE SharedUserSetting from method; update in a separate call. 10210 // 10211 // TODO(narayan): This update is bogus. nativeLibraryDir & primaryCpuAbi, 10212 // secondaryCpuAbi are not known at this point so we always update them 10213 // to null here, only to reset them at a later point. 10214 Settings.updatePackageSetting(pkgSetting, disabledPkgSetting, sharedUserSetting, 10215 destCodeFile, destResourceFile, pkg.applicationInfo.nativeLibraryDir, 10216 pkg.applicationInfo.primaryCpuAbi, pkg.applicationInfo.secondaryCpuAbi, 10217 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 10218 pkg.getChildPackageNames(), UserManagerService.getInstance(), 10219 usesStaticLibraries, pkg.usesStaticLibrariesVersions); 10220 } 10221 if (createNewPackage && originalPkgSetting != null) { 10222 // This is the initial transition from the original package, so, 10223 // fix up the new package's name now. We must do this after looking 10224 // up the package under its new name, so getPackageLP takes care of 10225 // fiddling things correctly. 10226 pkg.setPackageName(originalPkgSetting.name); 10227 10228 // File a report about this. 10229 String msg = "New package " + pkgSetting.realName 10230 + " renamed to replace old package " + pkgSetting.name; 10231 reportSettingsProblem(Log.WARN, msg); 10232 } 10233 10234 if (disabledPkgSetting != null) { 10235 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10236 } 10237 10238 SELinuxMMAC.assignSeInfoValue(pkg); 10239 10240 pkg.mExtras = pkgSetting; 10241 pkg.applicationInfo.processName = fixProcessName( 10242 pkg.applicationInfo.packageName, 10243 pkg.applicationInfo.processName); 10244 10245 if (!isPlatformPackage) { 10246 // Get all of our default paths setup 10247 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 10248 } 10249 10250 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 10251 10252 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 10253 if (needToDeriveAbi) { 10254 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "derivePackageAbi"); 10255 final boolean extractNativeLibs = !pkg.isLibrary(); 10256 derivePackageAbi(pkg, cpuAbiOverride, extractNativeLibs); 10257 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10258 10259 // Some system apps still use directory structure for native libraries 10260 // in which case we might end up not detecting abi solely based on apk 10261 // structure. Try to detect abi based on directory structure. 10262 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 10263 pkg.applicationInfo.primaryCpuAbi == null) { 10264 setBundledAppAbisAndRoots(pkg, pkgSetting); 10265 setNativeLibraryPaths(pkg, sAppLib32InstallDir); 10266 } 10267 } else { 10268 // This is not a first boot or an upgrade, don't bother deriving the 10269 // ABI during the scan. Instead, trust the value that was stored in the 10270 // package setting. 10271 pkg.applicationInfo.primaryCpuAbi = primaryCpuAbiFromSettings; 10272 pkg.applicationInfo.secondaryCpuAbi = secondaryCpuAbiFromSettings; 10273 10274 setNativeLibraryPaths(pkg, sAppLib32InstallDir); 10275 10276 if (DEBUG_ABI_SELECTION) { 10277 Slog.i(TAG, "Using ABIS and native lib paths from settings : " + 10278 pkg.packageName + " " + pkg.applicationInfo.primaryCpuAbi + ", " + 10279 pkg.applicationInfo.secondaryCpuAbi); 10280 } 10281 } 10282 } else { 10283 if ((scanFlags & SCAN_MOVE) != 0) { 10284 // We haven't run dex-opt for this move (since we've moved the compiled output too) 10285 // but we already have this packages package info in the PackageSetting. We just 10286 // use that and derive the native library path based on the new codepath. 10287 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 10288 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 10289 } 10290 10291 // Set native library paths again. For moves, the path will be updated based on the 10292 // ABIs we've determined above. For non-moves, the path will be updated based on the 10293 // ABIs we determined during compilation, but the path will depend on the final 10294 // package path (after the rename away from the stage path). 10295 setNativeLibraryPaths(pkg, sAppLib32InstallDir); 10296 } 10297 10298 // This is a special case for the "system" package, where the ABI is 10299 // dictated by the zygote configuration (and init.rc). We should keep track 10300 // of this ABI so that we can deal with "normal" applications that run under 10301 // the same UID correctly. 10302 if (isPlatformPackage) { 10303 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 10304 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 10305 } 10306 10307 // If there's a mismatch between the abi-override in the package setting 10308 // and the abiOverride specified for the install. Warn about this because we 10309 // would've already compiled the app without taking the package setting into 10310 // account. 10311 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 10312 if (cpuAbiOverride == null && pkg.packageName != null) { 10313 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 10314 " for package " + pkg.packageName); 10315 } 10316 } 10317 10318 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 10319 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 10320 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 10321 10322 // Copy the derived override back to the parsed package, so that we can 10323 // update the package settings accordingly. 10324 pkg.cpuAbiOverride = cpuAbiOverride; 10325 10326 if (DEBUG_ABI_SELECTION) { 10327 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.packageName 10328 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 10329 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 10330 } 10331 10332 // Push the derived path down into PackageSettings so we know what to 10333 // clean up at uninstall time. 10334 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 10335 10336 if (DEBUG_ABI_SELECTION) { 10337 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 10338 " primary=" + pkg.applicationInfo.primaryCpuAbi + 10339 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 10340 } 10341 10342 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 10343 // We don't do this here during boot because we can do it all 10344 // at once after scanning all existing packages. 10345 // 10346 // We also do this *before* we perform dexopt on this package, so that 10347 // we can avoid redundant dexopts, and also to make sure we've got the 10348 // code and package path correct. 10349 changedAbiCodePath = 10350 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, pkg); 10351 } 10352 10353 if (isUnderFactoryTest && pkg.requestedPermissions.contains( 10354 android.Manifest.permission.FACTORY_TEST)) { 10355 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 10356 } 10357 10358 if (isSystemApp(pkg)) { 10359 pkgSetting.isOrphaned = true; 10360 } 10361 10362 // Take care of first install / last update times. 10363 final long scanFileTime = getLastModifiedTime(pkg); 10364 if (currentTime != 0) { 10365 if (pkgSetting.firstInstallTime == 0) { 10366 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 10367 } else if ((scanFlags & SCAN_UPDATE_TIME) != 0) { 10368 pkgSetting.lastUpdateTime = currentTime; 10369 } 10370 } else if (pkgSetting.firstInstallTime == 0) { 10371 // We need *something*. Take time time stamp of the file. 10372 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 10373 } else if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 10374 if (scanFileTime != pkgSetting.timeStamp) { 10375 // A package on the system image has changed; consider this 10376 // to be an update. 10377 pkgSetting.lastUpdateTime = scanFileTime; 10378 } 10379 } 10380 pkgSetting.setTimeStamp(scanFileTime); 10381 10382 pkgSetting.pkg = pkg; 10383 pkgSetting.pkgFlags = pkg.applicationInfo.flags; 10384 if (pkg.getLongVersionCode() != pkgSetting.versionCode) { 10385 pkgSetting.versionCode = pkg.getLongVersionCode(); 10386 } 10387 // Update volume if needed 10388 final String volumeUuid = pkg.applicationInfo.volumeUuid; 10389 if (!Objects.equals(volumeUuid, pkgSetting.volumeUuid)) { 10390 Slog.i(PackageManagerService.TAG, 10391 "Update" + (pkgSetting.isSystem() ? " system" : "") 10392 + " package " + pkg.packageName 10393 + " volume from " + pkgSetting.volumeUuid 10394 + " to " + volumeUuid); 10395 pkgSetting.volumeUuid = volumeUuid; 10396 } 10397 10398 return new ScanResult(true, pkgSetting, changedAbiCodePath); 10399 } 10400 10401 /** 10402 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 10403 */ 10404 private static boolean apkHasCode(String fileName) { 10405 StrictJarFile jarFile = null; 10406 try { 10407 jarFile = new StrictJarFile(fileName, 10408 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 10409 return jarFile.findEntry("classes.dex") != null; 10410 } catch (IOException ignore) { 10411 } finally { 10412 try { 10413 if (jarFile != null) { 10414 jarFile.close(); 10415 } 10416 } catch (IOException ignore) {} 10417 } 10418 return false; 10419 } 10420 10421 /** 10422 * Enforces code policy for the package. This ensures that if an APK has 10423 * declared hasCode="true" in its manifest that the APK actually contains 10424 * code. 10425 * 10426 * @throws PackageManagerException If bytecode could not be found when it should exist 10427 */ 10428 private static void assertCodePolicy(PackageParser.Package pkg) 10429 throws PackageManagerException { 10430 final boolean shouldHaveCode = 10431 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 10432 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 10433 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 10434 "Package " + pkg.baseCodePath + " code is missing"); 10435 } 10436 10437 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 10438 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 10439 final boolean splitShouldHaveCode = 10440 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 10441 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 10442 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 10443 "Package " + pkg.splitCodePaths[i] + " code is missing"); 10444 } 10445 } 10446 } 10447 } 10448 10449 /** 10450 * Applies policy to the parsed package based upon the given policy flags. 10451 * Ensures the package is in a good state. 10452 * <p> 10453 * Implementation detail: This method must NOT have any side effect. It would 10454 * ideally be static, but, it requires locks to read system state. 10455 */ 10456 private static void applyPolicy(PackageParser.Package pkg, final @ParseFlags int parseFlags, 10457 final @ScanFlags int scanFlags) { 10458 if ((scanFlags & SCAN_AS_SYSTEM) != 0) { 10459 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 10460 if (pkg.applicationInfo.isDirectBootAware()) { 10461 // we're direct boot aware; set for all components 10462 for (PackageParser.Service s : pkg.services) { 10463 s.info.encryptionAware = s.info.directBootAware = true; 10464 } 10465 for (PackageParser.Provider p : pkg.providers) { 10466 p.info.encryptionAware = p.info.directBootAware = true; 10467 } 10468 for (PackageParser.Activity a : pkg.activities) { 10469 a.info.encryptionAware = a.info.directBootAware = true; 10470 } 10471 for (PackageParser.Activity r : pkg.receivers) { 10472 r.info.encryptionAware = r.info.directBootAware = true; 10473 } 10474 } 10475 if (compressedFileExists(pkg.codePath)) { 10476 pkg.isStub = true; 10477 } 10478 } else { 10479 // non system apps can't be flagged as core 10480 pkg.coreApp = false; 10481 // clear flags not applicable to regular apps 10482 pkg.applicationInfo.flags &= 10483 ~ApplicationInfo.FLAG_PERSISTENT; 10484 pkg.applicationInfo.privateFlags &= 10485 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 10486 pkg.applicationInfo.privateFlags &= 10487 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 10488 // clear protected broadcasts 10489 pkg.protectedBroadcasts = null; 10490 // cap permission priorities 10491 if (pkg.permissionGroups != null && pkg.permissionGroups.size() > 0) { 10492 for (int i = pkg.permissionGroups.size() - 1; i >= 0; --i) { 10493 pkg.permissionGroups.get(i).info.priority = 0; 10494 } 10495 } 10496 } 10497 if ((scanFlags & SCAN_AS_PRIVILEGED) == 0) { 10498 // ignore export request for single user receivers 10499 if (pkg.receivers != null) { 10500 for (int i = pkg.receivers.size() - 1; i >= 0; --i) { 10501 final PackageParser.Activity receiver = pkg.receivers.get(i); 10502 if ((receiver.info.flags & ActivityInfo.FLAG_SINGLE_USER) != 0) { 10503 receiver.info.exported = false; 10504 } 10505 } 10506 } 10507 // ignore export request for single user services 10508 if (pkg.services != null) { 10509 for (int i = pkg.services.size() - 1; i >= 0; --i) { 10510 final PackageParser.Service service = pkg.services.get(i); 10511 if ((service.info.flags & ServiceInfo.FLAG_SINGLE_USER) != 0) { 10512 service.info.exported = false; 10513 } 10514 } 10515 } 10516 // ignore export request for single user providers 10517 if (pkg.providers != null) { 10518 for (int i = pkg.providers.size() - 1; i >= 0; --i) { 10519 final PackageParser.Provider provider = pkg.providers.get(i); 10520 if ((provider.info.flags & ProviderInfo.FLAG_SINGLE_USER) != 0) { 10521 provider.info.exported = false; 10522 } 10523 } 10524 } 10525 } 10526 pkg.mTrustedOverlay = (scanFlags & SCAN_TRUSTED_OVERLAY) != 0; 10527 10528 if ((scanFlags & SCAN_AS_PRIVILEGED) != 0) { 10529 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 10530 } 10531 10532 if ((scanFlags & SCAN_AS_OEM) != 0) { 10533 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_OEM; 10534 } 10535 10536 if ((scanFlags & SCAN_AS_VENDOR) != 0) { 10537 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_VENDOR; 10538 } 10539 10540 if (!isSystemApp(pkg)) { 10541 // Only system apps can use these features. 10542 pkg.mOriginalPackages = null; 10543 pkg.mRealPackage = null; 10544 pkg.mAdoptPermissions = null; 10545 } 10546 } 10547 10548 /** 10549 * Asserts the parsed package is valid according to the given policy. If the 10550 * package is invalid, for whatever reason, throws {@link PackageManagerException}. 10551 * <p> 10552 * Implementation detail: This method must NOT have any side effects. It would 10553 * ideally be static, but, it requires locks to read system state. 10554 * 10555 * @throws PackageManagerException If the package fails any of the validation checks 10556 */ 10557 private void assertPackageIsValid(PackageParser.Package pkg, final @ParseFlags int parseFlags, 10558 final @ScanFlags int scanFlags) 10559 throws PackageManagerException { 10560 if ((parseFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 10561 assertCodePolicy(pkg); 10562 } 10563 10564 if (pkg.applicationInfo.getCodePath() == null || 10565 pkg.applicationInfo.getResourcePath() == null) { 10566 // Bail out. The resource and code paths haven't been set. 10567 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 10568 "Code and resource paths haven't been set correctly"); 10569 } 10570 10571 // Make sure we're not adding any bogus keyset info 10572 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 10573 ksms.assertScannedPackageValid(pkg); 10574 10575 synchronized (mPackages) { 10576 // The special "android" package can only be defined once 10577 if (pkg.packageName.equals("android")) { 10578 if (mAndroidApplication != null) { 10579 Slog.w(TAG, "*************************************************"); 10580 Slog.w(TAG, "Core android package being redefined. Skipping."); 10581 Slog.w(TAG, " codePath=" + pkg.codePath); 10582 Slog.w(TAG, "*************************************************"); 10583 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 10584 "Core android package being redefined. Skipping."); 10585 } 10586 } 10587 10588 // A package name must be unique; don't allow duplicates 10589 if (mPackages.containsKey(pkg.packageName)) { 10590 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 10591 "Application package " + pkg.packageName 10592 + " already installed. Skipping duplicate."); 10593 } 10594 10595 if (pkg.applicationInfo.isStaticSharedLibrary()) { 10596 // Static libs have a synthetic package name containing the version 10597 // but we still want the base name to be unique. 10598 if (mPackages.containsKey(pkg.manifestPackageName)) { 10599 throw new PackageManagerException( 10600 "Duplicate static shared lib provider package"); 10601 } 10602 10603 // Static shared libraries should have at least O target SDK 10604 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.O) { 10605 throw new PackageManagerException( 10606 "Packages declaring static-shared libs must target O SDK or higher"); 10607 } 10608 10609 // Package declaring static a shared lib cannot be instant apps 10610 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 10611 throw new PackageManagerException( 10612 "Packages declaring static-shared libs cannot be instant apps"); 10613 } 10614 10615 // Package declaring static a shared lib cannot be renamed since the package 10616 // name is synthetic and apps can't code around package manager internals. 10617 if (!ArrayUtils.isEmpty(pkg.mOriginalPackages)) { 10618 throw new PackageManagerException( 10619 "Packages declaring static-shared libs cannot be renamed"); 10620 } 10621 10622 // Package declaring static a shared lib cannot declare child packages 10623 if (!ArrayUtils.isEmpty(pkg.childPackages)) { 10624 throw new PackageManagerException( 10625 "Packages declaring static-shared libs cannot have child packages"); 10626 } 10627 10628 // Package declaring static a shared lib cannot declare dynamic libs 10629 if (!ArrayUtils.isEmpty(pkg.libraryNames)) { 10630 throw new PackageManagerException( 10631 "Packages declaring static-shared libs cannot declare dynamic libs"); 10632 } 10633 10634 // Package declaring static a shared lib cannot declare shared users 10635 if (pkg.mSharedUserId != null) { 10636 throw new PackageManagerException( 10637 "Packages declaring static-shared libs cannot declare shared users"); 10638 } 10639 10640 // Static shared libs cannot declare activities 10641 if (!pkg.activities.isEmpty()) { 10642 throw new PackageManagerException( 10643 "Static shared libs cannot declare activities"); 10644 } 10645 10646 // Static shared libs cannot declare services 10647 if (!pkg.services.isEmpty()) { 10648 throw new PackageManagerException( 10649 "Static shared libs cannot declare services"); 10650 } 10651 10652 // Static shared libs cannot declare providers 10653 if (!pkg.providers.isEmpty()) { 10654 throw new PackageManagerException( 10655 "Static shared libs cannot declare content providers"); 10656 } 10657 10658 // Static shared libs cannot declare receivers 10659 if (!pkg.receivers.isEmpty()) { 10660 throw new PackageManagerException( 10661 "Static shared libs cannot declare broadcast receivers"); 10662 } 10663 10664 // Static shared libs cannot declare permission groups 10665 if (!pkg.permissionGroups.isEmpty()) { 10666 throw new PackageManagerException( 10667 "Static shared libs cannot declare permission groups"); 10668 } 10669 10670 // Static shared libs cannot declare permissions 10671 if (!pkg.permissions.isEmpty()) { 10672 throw new PackageManagerException( 10673 "Static shared libs cannot declare permissions"); 10674 } 10675 10676 // Static shared libs cannot declare protected broadcasts 10677 if (pkg.protectedBroadcasts != null) { 10678 throw new PackageManagerException( 10679 "Static shared libs cannot declare protected broadcasts"); 10680 } 10681 10682 // Static shared libs cannot be overlay targets 10683 if (pkg.mOverlayTarget != null) { 10684 throw new PackageManagerException( 10685 "Static shared libs cannot be overlay targets"); 10686 } 10687 10688 // The version codes must be ordered as lib versions 10689 long minVersionCode = Long.MIN_VALUE; 10690 long maxVersionCode = Long.MAX_VALUE; 10691 10692 LongSparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get( 10693 pkg.staticSharedLibName); 10694 if (versionedLib != null) { 10695 final int versionCount = versionedLib.size(); 10696 for (int i = 0; i < versionCount; i++) { 10697 SharedLibraryInfo libInfo = versionedLib.valueAt(i).info; 10698 final long libVersionCode = libInfo.getDeclaringPackage() 10699 .getLongVersionCode(); 10700 if (libInfo.getLongVersion() < pkg.staticSharedLibVersion) { 10701 minVersionCode = Math.max(minVersionCode, libVersionCode + 1); 10702 } else if (libInfo.getLongVersion() > pkg.staticSharedLibVersion) { 10703 maxVersionCode = Math.min(maxVersionCode, libVersionCode - 1); 10704 } else { 10705 minVersionCode = maxVersionCode = libVersionCode; 10706 break; 10707 } 10708 } 10709 } 10710 if (pkg.getLongVersionCode() < minVersionCode 10711 || pkg.getLongVersionCode() > maxVersionCode) { 10712 throw new PackageManagerException("Static shared" 10713 + " lib version codes must be ordered as lib versions"); 10714 } 10715 } 10716 10717 // Only privileged apps and updated privileged apps can add child packages. 10718 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 10719 if ((scanFlags & SCAN_AS_PRIVILEGED) == 0) { 10720 throw new PackageManagerException("Only privileged apps can add child " 10721 + "packages. Ignoring package " + pkg.packageName); 10722 } 10723 final int childCount = pkg.childPackages.size(); 10724 for (int i = 0; i < childCount; i++) { 10725 PackageParser.Package childPkg = pkg.childPackages.get(i); 10726 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 10727 childPkg.packageName)) { 10728 throw new PackageManagerException("Can't override child of " 10729 + "another disabled app. Ignoring package " + pkg.packageName); 10730 } 10731 } 10732 } 10733 10734 // If we're only installing presumed-existing packages, require that the 10735 // scanned APK is both already known and at the path previously established 10736 // for it. Previously unknown packages we pick up normally, but if we have an 10737 // a priori expectation about this package's install presence, enforce it. 10738 // With a singular exception for new system packages. When an OTA contains 10739 // a new system package, we allow the codepath to change from a system location 10740 // to the user-installed location. If we don't allow this change, any newer, 10741 // user-installed version of the application will be ignored. 10742 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 10743 if (mExpectingBetter.containsKey(pkg.packageName)) { 10744 logCriticalInfo(Log.WARN, 10745 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 10746 } else { 10747 PackageSetting known = mSettings.getPackageLPr(pkg.packageName); 10748 if (known != null) { 10749 if (DEBUG_PACKAGE_SCANNING) { 10750 Log.d(TAG, "Examining " + pkg.codePath 10751 + " and requiring known paths " + known.codePathString 10752 + " & " + known.resourcePathString); 10753 } 10754 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 10755 || !pkg.applicationInfo.getResourcePath().equals( 10756 known.resourcePathString)) { 10757 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 10758 "Application package " + pkg.packageName 10759 + " found at " + pkg.applicationInfo.getCodePath() 10760 + " but expected at " + known.codePathString 10761 + "; ignoring."); 10762 } 10763 } else { 10764 throw new PackageManagerException(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 10765 "Application package " + pkg.packageName 10766 + " not found; ignoring."); 10767 } 10768 } 10769 } 10770 10771 // Verify that this new package doesn't have any content providers 10772 // that conflict with existing packages. Only do this if the 10773 // package isn't already installed, since we don't want to break 10774 // things that are installed. 10775 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 10776 final int N = pkg.providers.size(); 10777 int i; 10778 for (i=0; i<N; i++) { 10779 PackageParser.Provider p = pkg.providers.get(i); 10780 if (p.info.authority != null) { 10781 String names[] = p.info.authority.split(";"); 10782 for (int j = 0; j < names.length; j++) { 10783 if (mProvidersByAuthority.containsKey(names[j])) { 10784 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 10785 final String otherPackageName = 10786 ((other != null && other.getComponentName() != null) ? 10787 other.getComponentName().getPackageName() : "?"); 10788 throw new PackageManagerException( 10789 INSTALL_FAILED_CONFLICTING_PROVIDER, 10790 "Can't install because provider name " + names[j] 10791 + " (in package " + pkg.applicationInfo.packageName 10792 + ") is already used by " + otherPackageName); 10793 } 10794 } 10795 } 10796 } 10797 } 10798 10799 // Verify that packages sharing a user with a privileged app are marked as privileged. 10800 if (!pkg.isPrivileged() && (pkg.mSharedUserId != null)) { 10801 SharedUserSetting sharedUserSetting = null; 10802 try { 10803 sharedUserSetting = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, false); 10804 } catch (PackageManagerException ignore) {} 10805 if (sharedUserSetting != null && sharedUserSetting.isPrivileged()) { 10806 // Exempt SharedUsers signed with the platform key. 10807 PackageSetting platformPkgSetting = mSettings.mPackages.get("android"); 10808 if ((platformPkgSetting.signatures.mSignatures != null) && 10809 (compareSignatures(platformPkgSetting.signatures.mSignatures, 10810 pkg.mSigningDetails.signatures) != PackageManager.SIGNATURE_MATCH)) { 10811 throw new PackageManagerException("Apps that share a user with a " + 10812 "privileged app must themselves be marked as privileged. " + 10813 pkg.packageName + " shares privileged user " + 10814 pkg.mSharedUserId + "."); 10815 } 10816 } 10817 } 10818 } 10819 } 10820 10821 private boolean addSharedLibraryLPw(String path, String apk, String name, long version, 10822 int type, String declaringPackageName, long declaringVersionCode) { 10823 LongSparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 10824 if (versionedLib == null) { 10825 versionedLib = new LongSparseArray<>(); 10826 mSharedLibraries.put(name, versionedLib); 10827 if (type == SharedLibraryInfo.TYPE_STATIC) { 10828 mStaticLibsByDeclaringPackage.put(declaringPackageName, versionedLib); 10829 } 10830 } else if (versionedLib.indexOfKey(version) >= 0) { 10831 return false; 10832 } 10833 SharedLibraryEntry libEntry = new SharedLibraryEntry(path, apk, name, 10834 version, type, declaringPackageName, declaringVersionCode); 10835 versionedLib.put(version, libEntry); 10836 return true; 10837 } 10838 10839 private boolean removeSharedLibraryLPw(String name, long version) { 10840 LongSparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 10841 if (versionedLib == null) { 10842 return false; 10843 } 10844 final int libIdx = versionedLib.indexOfKey(version); 10845 if (libIdx < 0) { 10846 return false; 10847 } 10848 SharedLibraryEntry libEntry = versionedLib.valueAt(libIdx); 10849 versionedLib.remove(version); 10850 if (versionedLib.size() <= 0) { 10851 mSharedLibraries.remove(name); 10852 if (libEntry.info.getType() == SharedLibraryInfo.TYPE_STATIC) { 10853 mStaticLibsByDeclaringPackage.remove(libEntry.info.getDeclaringPackage() 10854 .getPackageName()); 10855 } 10856 } 10857 return true; 10858 } 10859 10860 /** 10861 * Adds a scanned package to the system. When this method is finished, the package will 10862 * be available for query, resolution, etc... 10863 */ 10864 private void commitPackageSettings(PackageParser.Package pkg, PackageSetting pkgSetting, 10865 UserHandle user, final @ScanFlags int scanFlags, boolean chatty) { 10866 final String pkgName = pkg.packageName; 10867 if (mCustomResolverComponentName != null && 10868 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 10869 setUpCustomResolverActivity(pkg); 10870 } 10871 10872 if (pkg.packageName.equals("android")) { 10873 synchronized (mPackages) { 10874 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 10875 // Set up information for our fall-back user intent resolution activity. 10876 mPlatformPackage = pkg; 10877 pkg.mVersionCode = mSdkVersion; 10878 pkg.mVersionCodeMajor = 0; 10879 mAndroidApplication = pkg.applicationInfo; 10880 if (!mResolverReplaced) { 10881 mResolveActivity.applicationInfo = mAndroidApplication; 10882 mResolveActivity.name = ResolverActivity.class.getName(); 10883 mResolveActivity.packageName = mAndroidApplication.packageName; 10884 mResolveActivity.processName = "system:ui"; 10885 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 10886 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 10887 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 10888 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 10889 mResolveActivity.exported = true; 10890 mResolveActivity.enabled = true; 10891 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 10892 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 10893 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 10894 | ActivityInfo.CONFIG_SCREEN_LAYOUT 10895 | ActivityInfo.CONFIG_ORIENTATION 10896 | ActivityInfo.CONFIG_KEYBOARD 10897 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 10898 mResolveInfo.activityInfo = mResolveActivity; 10899 mResolveInfo.priority = 0; 10900 mResolveInfo.preferredOrder = 0; 10901 mResolveInfo.match = 0; 10902 mResolveComponentName = new ComponentName( 10903 mAndroidApplication.packageName, mResolveActivity.name); 10904 } 10905 } 10906 } 10907 } 10908 10909 ArrayList<PackageParser.Package> clientLibPkgs = null; 10910 // writer 10911 synchronized (mPackages) { 10912 boolean hasStaticSharedLibs = false; 10913 10914 // Any app can add new static shared libraries 10915 if (pkg.staticSharedLibName != null) { 10916 // Static shared libs don't allow renaming as they have synthetic package 10917 // names to allow install of multiple versions, so use name from manifest. 10918 if (addSharedLibraryLPw(null, pkg.packageName, pkg.staticSharedLibName, 10919 pkg.staticSharedLibVersion, SharedLibraryInfo.TYPE_STATIC, 10920 pkg.manifestPackageName, pkg.getLongVersionCode())) { 10921 hasStaticSharedLibs = true; 10922 } else { 10923 Slog.w(TAG, "Package " + pkg.packageName + " library " 10924 + pkg.staticSharedLibName + " already exists; skipping"); 10925 } 10926 // Static shared libs cannot be updated once installed since they 10927 // use synthetic package name which includes the version code, so 10928 // not need to update other packages's shared lib dependencies. 10929 } 10930 10931 if (!hasStaticSharedLibs 10932 && (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 10933 // Only system apps can add new dynamic shared libraries. 10934 if (pkg.libraryNames != null) { 10935 for (int i = 0; i < pkg.libraryNames.size(); i++) { 10936 String name = pkg.libraryNames.get(i); 10937 boolean allowed = false; 10938 if (pkg.isUpdatedSystemApp()) { 10939 // New library entries can only be added through the 10940 // system image. This is important to get rid of a lot 10941 // of nasty edge cases: for example if we allowed a non- 10942 // system update of the app to add a library, then uninstalling 10943 // the update would make the library go away, and assumptions 10944 // we made such as through app install filtering would now 10945 // have allowed apps on the device which aren't compatible 10946 // with it. Better to just have the restriction here, be 10947 // conservative, and create many fewer cases that can negatively 10948 // impact the user experience. 10949 final PackageSetting sysPs = mSettings 10950 .getDisabledSystemPkgLPr(pkg.packageName); 10951 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 10952 for (int j = 0; j < sysPs.pkg.libraryNames.size(); j++) { 10953 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 10954 allowed = true; 10955 break; 10956 } 10957 } 10958 } 10959 } else { 10960 allowed = true; 10961 } 10962 if (allowed) { 10963 if (!addSharedLibraryLPw(null, pkg.packageName, name, 10964 SharedLibraryInfo.VERSION_UNDEFINED, 10965 SharedLibraryInfo.TYPE_DYNAMIC, 10966 pkg.packageName, pkg.getLongVersionCode())) { 10967 Slog.w(TAG, "Package " + pkg.packageName + " library " 10968 + name + " already exists; skipping"); 10969 } 10970 } else { 10971 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 10972 + name + " that is not declared on system image; skipping"); 10973 } 10974 } 10975 10976 if ((scanFlags & SCAN_BOOTING) == 0) { 10977 // If we are not booting, we need to update any applications 10978 // that are clients of our shared library. If we are booting, 10979 // this will all be done once the scan is complete. 10980 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 10981 } 10982 } 10983 } 10984 } 10985 10986 if ((scanFlags & SCAN_BOOTING) != 0) { 10987 // No apps can run during boot scan, so they don't need to be frozen 10988 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 10989 // Caller asked to not kill app, so it's probably not frozen 10990 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 10991 // Caller asked us to ignore frozen check for some reason; they 10992 // probably didn't know the package name 10993 } else { 10994 // We're doing major surgery on this package, so it better be frozen 10995 // right now to keep it from launching 10996 checkPackageFrozen(pkgName); 10997 } 10998 10999 // Also need to kill any apps that are dependent on the library. 11000 if (clientLibPkgs != null) { 11001 for (int i=0; i<clientLibPkgs.size(); i++) { 11002 PackageParser.Package clientPkg = clientLibPkgs.get(i); 11003 killApplication(clientPkg.applicationInfo.packageName, 11004 clientPkg.applicationInfo.uid, "update lib"); 11005 } 11006 } 11007 11008 // writer 11009 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 11010 11011 synchronized (mPackages) { 11012 // We don't expect installation to fail beyond this point 11013 11014 // Add the new setting to mSettings 11015 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 11016 // Add the new setting to mPackages 11017 mPackages.put(pkg.applicationInfo.packageName, pkg); 11018 // Make sure we don't accidentally delete its data. 11019 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 11020 while (iter.hasNext()) { 11021 PackageCleanItem item = iter.next(); 11022 if (pkgName.equals(item.packageName)) { 11023 iter.remove(); 11024 } 11025 } 11026 11027 // Add the package's KeySets to the global KeySetManagerService 11028 KeySetManagerService ksms = mSettings.mKeySetManagerService; 11029 ksms.addScannedPackageLPw(pkg); 11030 11031 int N = pkg.providers.size(); 11032 StringBuilder r = null; 11033 int i; 11034 for (i=0; i<N; i++) { 11035 PackageParser.Provider p = pkg.providers.get(i); 11036 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 11037 p.info.processName); 11038 mProviders.addProvider(p); 11039 p.syncable = p.info.isSyncable; 11040 if (p.info.authority != null) { 11041 String names[] = p.info.authority.split(";"); 11042 p.info.authority = null; 11043 for (int j = 0; j < names.length; j++) { 11044 if (j == 1 && p.syncable) { 11045 // We only want the first authority for a provider to possibly be 11046 // syncable, so if we already added this provider using a different 11047 // authority clear the syncable flag. We copy the provider before 11048 // changing it because the mProviders object contains a reference 11049 // to a provider that we don't want to change. 11050 // Only do this for the second authority since the resulting provider 11051 // object can be the same for all future authorities for this provider. 11052 p = new PackageParser.Provider(p); 11053 p.syncable = false; 11054 } 11055 if (!mProvidersByAuthority.containsKey(names[j])) { 11056 mProvidersByAuthority.put(names[j], p); 11057 if (p.info.authority == null) { 11058 p.info.authority = names[j]; 11059 } else { 11060 p.info.authority = p.info.authority + ";" + names[j]; 11061 } 11062 if (DEBUG_PACKAGE_SCANNING) { 11063 if (chatty) 11064 Log.d(TAG, "Registered content provider: " + names[j] 11065 + ", className = " + p.info.name + ", isSyncable = " 11066 + p.info.isSyncable); 11067 } 11068 } else { 11069 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 11070 Slog.w(TAG, "Skipping provider name " + names[j] + 11071 " (in package " + pkg.applicationInfo.packageName + 11072 "): name already used by " 11073 + ((other != null && other.getComponentName() != null) 11074 ? other.getComponentName().getPackageName() : "?")); 11075 } 11076 } 11077 } 11078 if (chatty) { 11079 if (r == null) { 11080 r = new StringBuilder(256); 11081 } else { 11082 r.append(' '); 11083 } 11084 r.append(p.info.name); 11085 } 11086 } 11087 if (r != null) { 11088 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 11089 } 11090 11091 N = pkg.services.size(); 11092 r = null; 11093 for (i=0; i<N; i++) { 11094 PackageParser.Service s = pkg.services.get(i); 11095 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 11096 s.info.processName); 11097 mServices.addService(s); 11098 if (chatty) { 11099 if (r == null) { 11100 r = new StringBuilder(256); 11101 } else { 11102 r.append(' '); 11103 } 11104 r.append(s.info.name); 11105 } 11106 } 11107 if (r != null) { 11108 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 11109 } 11110 11111 N = pkg.receivers.size(); 11112 r = null; 11113 for (i=0; i<N; i++) { 11114 PackageParser.Activity a = pkg.receivers.get(i); 11115 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 11116 a.info.processName); 11117 mReceivers.addActivity(a, "receiver"); 11118 if (chatty) { 11119 if (r == null) { 11120 r = new StringBuilder(256); 11121 } else { 11122 r.append(' '); 11123 } 11124 r.append(a.info.name); 11125 } 11126 } 11127 if (r != null) { 11128 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 11129 } 11130 11131 N = pkg.activities.size(); 11132 r = null; 11133 for (i=0; i<N; i++) { 11134 PackageParser.Activity a = pkg.activities.get(i); 11135 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 11136 a.info.processName); 11137 mActivities.addActivity(a, "activity"); 11138 if (chatty) { 11139 if (r == null) { 11140 r = new StringBuilder(256); 11141 } else { 11142 r.append(' '); 11143 } 11144 r.append(a.info.name); 11145 } 11146 } 11147 if (r != null) { 11148 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 11149 } 11150 11151 // Don't allow ephemeral applications to define new permissions groups. 11152 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 11153 Slog.w(TAG, "Permission groups from package " + pkg.packageName 11154 + " ignored: instant apps cannot define new permission groups."); 11155 } else { 11156 mPermissionManager.addAllPermissionGroups(pkg, chatty); 11157 } 11158 11159 // Don't allow ephemeral applications to define new permissions. 11160 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 11161 Slog.w(TAG, "Permissions from package " + pkg.packageName 11162 + " ignored: instant apps cannot define new permissions."); 11163 } else { 11164 mPermissionManager.addAllPermissions(pkg, chatty); 11165 } 11166 11167 N = pkg.instrumentation.size(); 11168 r = null; 11169 for (i=0; i<N; i++) { 11170 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 11171 a.info.packageName = pkg.applicationInfo.packageName; 11172 a.info.sourceDir = pkg.applicationInfo.sourceDir; 11173 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 11174 a.info.splitNames = pkg.splitNames; 11175 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 11176 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 11177 a.info.splitDependencies = pkg.applicationInfo.splitDependencies; 11178 a.info.dataDir = pkg.applicationInfo.dataDir; 11179 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 11180 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 11181 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 11182 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 11183 mInstrumentation.put(a.getComponentName(), a); 11184 if (chatty) { 11185 if (r == null) { 11186 r = new StringBuilder(256); 11187 } else { 11188 r.append(' '); 11189 } 11190 r.append(a.info.name); 11191 } 11192 } 11193 if (r != null) { 11194 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 11195 } 11196 11197 if (pkg.protectedBroadcasts != null) { 11198 N = pkg.protectedBroadcasts.size(); 11199 synchronized (mProtectedBroadcasts) { 11200 for (i = 0; i < N; i++) { 11201 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 11202 } 11203 } 11204 } 11205 } 11206 11207 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11208 } 11209 11210 /** 11211 * Derive the ABI of a non-system package located at {@code scanFile}. This information 11212 * is derived purely on the basis of the contents of {@code scanFile} and 11213 * {@code cpuAbiOverride}. 11214 * 11215 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 11216 */ 11217 private static void derivePackageAbi(PackageParser.Package pkg, String cpuAbiOverride, 11218 boolean extractLibs) 11219 throws PackageManagerException { 11220 // Give ourselves some initial paths; we'll come back for another 11221 // pass once we've determined ABI below. 11222 setNativeLibraryPaths(pkg, sAppLib32InstallDir); 11223 11224 // We would never need to extract libs for forward-locked and external packages, 11225 // since the container service will do it for us. We shouldn't attempt to 11226 // extract libs from system app when it was not updated. 11227 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 11228 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 11229 extractLibs = false; 11230 } 11231 11232 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 11233 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 11234 11235 NativeLibraryHelper.Handle handle = null; 11236 try { 11237 handle = NativeLibraryHelper.Handle.create(pkg); 11238 // TODO(multiArch): This can be null for apps that didn't go through the 11239 // usual installation process. We can calculate it again, like we 11240 // do during install time. 11241 // 11242 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 11243 // unnecessary. 11244 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 11245 11246 // Null out the abis so that they can be recalculated. 11247 pkg.applicationInfo.primaryCpuAbi = null; 11248 pkg.applicationInfo.secondaryCpuAbi = null; 11249 if (isMultiArch(pkg.applicationInfo)) { 11250 // Warn if we've set an abiOverride for multi-lib packages.. 11251 // By definition, we need to copy both 32 and 64 bit libraries for 11252 // such packages. 11253 if (pkg.cpuAbiOverride != null 11254 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 11255 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 11256 } 11257 11258 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 11259 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 11260 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 11261 if (extractLibs) { 11262 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 11263 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 11264 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 11265 useIsaSpecificSubdirs); 11266 } else { 11267 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 11268 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 11269 } 11270 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11271 } 11272 11273 // Shared library native code should be in the APK zip aligned 11274 if (abi32 >= 0 && pkg.isLibrary() && extractLibs) { 11275 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 11276 "Shared library native lib extraction not supported"); 11277 } 11278 11279 maybeThrowExceptionForMultiArchCopy( 11280 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 11281 11282 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 11283 if (extractLibs) { 11284 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 11285 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 11286 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 11287 useIsaSpecificSubdirs); 11288 } else { 11289 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 11290 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 11291 } 11292 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11293 } 11294 11295 maybeThrowExceptionForMultiArchCopy( 11296 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 11297 11298 if (abi64 >= 0) { 11299 // Shared library native libs should be in the APK zip aligned 11300 if (extractLibs && pkg.isLibrary()) { 11301 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 11302 "Shared library native lib extraction not supported"); 11303 } 11304 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 11305 } 11306 11307 if (abi32 >= 0) { 11308 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 11309 if (abi64 >= 0) { 11310 if (pkg.use32bitAbi) { 11311 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 11312 pkg.applicationInfo.primaryCpuAbi = abi; 11313 } else { 11314 pkg.applicationInfo.secondaryCpuAbi = abi; 11315 } 11316 } else { 11317 pkg.applicationInfo.primaryCpuAbi = abi; 11318 } 11319 } 11320 } else { 11321 String[] abiList = (cpuAbiOverride != null) ? 11322 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 11323 11324 // Enable gross and lame hacks for apps that are built with old 11325 // SDK tools. We must scan their APKs for renderscript bitcode and 11326 // not launch them if it's present. Don't bother checking on devices 11327 // that don't have 64 bit support. 11328 boolean needsRenderScriptOverride = false; 11329 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 11330 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 11331 abiList = Build.SUPPORTED_32_BIT_ABIS; 11332 needsRenderScriptOverride = true; 11333 } 11334 11335 final int copyRet; 11336 if (extractLibs) { 11337 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 11338 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 11339 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 11340 } else { 11341 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 11342 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 11343 } 11344 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11345 11346 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 11347 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 11348 "Error unpackaging native libs for app, errorCode=" + copyRet); 11349 } 11350 11351 if (copyRet >= 0) { 11352 // Shared libraries that have native libs must be multi-architecture 11353 if (pkg.isLibrary()) { 11354 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 11355 "Shared library with native libs must be multiarch"); 11356 } 11357 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 11358 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 11359 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 11360 } else if (needsRenderScriptOverride) { 11361 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 11362 } 11363 } 11364 } catch (IOException ioe) { 11365 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 11366 } finally { 11367 IoUtils.closeQuietly(handle); 11368 } 11369 11370 // Now that we've calculated the ABIs and determined if it's an internal app, 11371 // we will go ahead and populate the nativeLibraryPath. 11372 setNativeLibraryPaths(pkg, sAppLib32InstallDir); 11373 } 11374 11375 /** 11376 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 11377 * i.e, so that all packages can be run inside a single process if required. 11378 * 11379 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 11380 * this function will either try and make the ABI for all packages in {@code packagesForUser} 11381 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 11382 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 11383 * updating a package that belongs to a shared user. 11384 * 11385 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 11386 * adds unnecessary complexity. 11387 */ 11388 private static @Nullable List<String> adjustCpuAbisForSharedUserLPw( 11389 Set<PackageSetting> packagesForUser, PackageParser.Package scannedPackage) { 11390 List<String> changedAbiCodePath = null; 11391 String requiredInstructionSet = null; 11392 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 11393 requiredInstructionSet = VMRuntime.getInstructionSet( 11394 scannedPackage.applicationInfo.primaryCpuAbi); 11395 } 11396 11397 PackageSetting requirer = null; 11398 for (PackageSetting ps : packagesForUser) { 11399 // If packagesForUser contains scannedPackage, we skip it. This will happen 11400 // when scannedPackage is an update of an existing package. Without this check, 11401 // we will never be able to change the ABI of any package belonging to a shared 11402 // user, even if it's compatible with other packages. 11403 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 11404 if (ps.primaryCpuAbiString == null) { 11405 continue; 11406 } 11407 11408 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 11409 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 11410 // We have a mismatch between instruction sets (say arm vs arm64) warn about 11411 // this but there's not much we can do. 11412 String errorMessage = "Instruction set mismatch, " 11413 + ((requirer == null) ? "[caller]" : requirer) 11414 + " requires " + requiredInstructionSet + " whereas " + ps 11415 + " requires " + instructionSet; 11416 Slog.w(TAG, errorMessage); 11417 } 11418 11419 if (requiredInstructionSet == null) { 11420 requiredInstructionSet = instructionSet; 11421 requirer = ps; 11422 } 11423 } 11424 } 11425 11426 if (requiredInstructionSet != null) { 11427 String adjustedAbi; 11428 if (requirer != null) { 11429 // requirer != null implies that either scannedPackage was null or that scannedPackage 11430 // did not require an ABI, in which case we have to adjust scannedPackage to match 11431 // the ABI of the set (which is the same as requirer's ABI) 11432 adjustedAbi = requirer.primaryCpuAbiString; 11433 if (scannedPackage != null) { 11434 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 11435 } 11436 } else { 11437 // requirer == null implies that we're updating all ABIs in the set to 11438 // match scannedPackage. 11439 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 11440 } 11441 11442 for (PackageSetting ps : packagesForUser) { 11443 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 11444 if (ps.primaryCpuAbiString != null) { 11445 continue; 11446 } 11447 11448 ps.primaryCpuAbiString = adjustedAbi; 11449 if (ps.pkg != null && ps.pkg.applicationInfo != null && 11450 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 11451 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 11452 if (DEBUG_ABI_SELECTION) { 11453 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 11454 + " (requirer=" 11455 + (requirer != null ? requirer.pkg : "null") 11456 + ", scannedPackage=" 11457 + (scannedPackage != null ? scannedPackage : "null") 11458 + ")"); 11459 } 11460 if (changedAbiCodePath == null) { 11461 changedAbiCodePath = new ArrayList<>(); 11462 } 11463 changedAbiCodePath.add(ps.codePathString); 11464 } 11465 } 11466 } 11467 } 11468 return changedAbiCodePath; 11469 } 11470 11471 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 11472 synchronized (mPackages) { 11473 mResolverReplaced = true; 11474 // Set up information for custom user intent resolution activity. 11475 mResolveActivity.applicationInfo = pkg.applicationInfo; 11476 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 11477 mResolveActivity.packageName = pkg.applicationInfo.packageName; 11478 mResolveActivity.processName = pkg.applicationInfo.packageName; 11479 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 11480 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 11481 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 11482 mResolveActivity.theme = 0; 11483 mResolveActivity.exported = true; 11484 mResolveActivity.enabled = true; 11485 mResolveInfo.activityInfo = mResolveActivity; 11486 mResolveInfo.priority = 0; 11487 mResolveInfo.preferredOrder = 0; 11488 mResolveInfo.match = 0; 11489 mResolveComponentName = mCustomResolverComponentName; 11490 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 11491 mResolveComponentName); 11492 } 11493 } 11494 11495 private void setUpInstantAppInstallerActivityLP(ActivityInfo installerActivity) { 11496 if (installerActivity == null) { 11497 if (DEBUG_EPHEMERAL) { 11498 Slog.d(TAG, "Clear ephemeral installer activity"); 11499 } 11500 mInstantAppInstallerActivity = null; 11501 return; 11502 } 11503 11504 if (DEBUG_EPHEMERAL) { 11505 Slog.d(TAG, "Set ephemeral installer activity: " 11506 + installerActivity.getComponentName()); 11507 } 11508 // Set up information for ephemeral installer activity 11509 mInstantAppInstallerActivity = installerActivity; 11510 mInstantAppInstallerActivity.flags |= ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS 11511 | ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 11512 mInstantAppInstallerActivity.exported = true; 11513 mInstantAppInstallerActivity.enabled = true; 11514 mInstantAppInstallerInfo.activityInfo = mInstantAppInstallerActivity; 11515 mInstantAppInstallerInfo.priority = 0; 11516 mInstantAppInstallerInfo.preferredOrder = 1; 11517 mInstantAppInstallerInfo.isDefault = true; 11518 mInstantAppInstallerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 11519 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 11520 } 11521 11522 private static String calculateBundledApkRoot(final String codePathString) { 11523 final File codePath = new File(codePathString); 11524 final File codeRoot; 11525 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 11526 codeRoot = Environment.getRootDirectory(); 11527 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 11528 codeRoot = Environment.getOemDirectory(); 11529 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 11530 codeRoot = Environment.getVendorDirectory(); 11531 } else { 11532 // Unrecognized code path; take its top real segment as the apk root: 11533 // e.g. /something/app/blah.apk => /something 11534 try { 11535 File f = codePath.getCanonicalFile(); 11536 File parent = f.getParentFile(); // non-null because codePath is a file 11537 File tmp; 11538 while ((tmp = parent.getParentFile()) != null) { 11539 f = parent; 11540 parent = tmp; 11541 } 11542 codeRoot = f; 11543 Slog.w(TAG, "Unrecognized code path " 11544 + codePath + " - using " + codeRoot); 11545 } catch (IOException e) { 11546 // Can't canonicalize the code path -- shenanigans? 11547 Slog.w(TAG, "Can't canonicalize code path " + codePath); 11548 return Environment.getRootDirectory().getPath(); 11549 } 11550 } 11551 return codeRoot.getPath(); 11552 } 11553 11554 /** 11555 * Derive and set the location of native libraries for the given package, 11556 * which varies depending on where and how the package was installed. 11557 */ 11558 private static void setNativeLibraryPaths(PackageParser.Package pkg, File appLib32InstallDir) { 11559 final ApplicationInfo info = pkg.applicationInfo; 11560 final String codePath = pkg.codePath; 11561 final File codeFile = new File(codePath); 11562 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 11563 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 11564 11565 info.nativeLibraryRootDir = null; 11566 info.nativeLibraryRootRequiresIsa = false; 11567 info.nativeLibraryDir = null; 11568 info.secondaryNativeLibraryDir = null; 11569 11570 if (isApkFile(codeFile)) { 11571 // Monolithic install 11572 if (bundledApp) { 11573 // If "/system/lib64/apkname" exists, assume that is the per-package 11574 // native library directory to use; otherwise use "/system/lib/apkname". 11575 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 11576 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 11577 getPrimaryInstructionSet(info)); 11578 11579 // This is a bundled system app so choose the path based on the ABI. 11580 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 11581 // is just the default path. 11582 final String apkName = deriveCodePathName(codePath); 11583 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 11584 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 11585 apkName).getAbsolutePath(); 11586 11587 if (info.secondaryCpuAbi != null) { 11588 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 11589 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 11590 secondaryLibDir, apkName).getAbsolutePath(); 11591 } 11592 } else if (asecApp) { 11593 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 11594 .getAbsolutePath(); 11595 } else { 11596 final String apkName = deriveCodePathName(codePath); 11597 info.nativeLibraryRootDir = new File(appLib32InstallDir, apkName) 11598 .getAbsolutePath(); 11599 } 11600 11601 info.nativeLibraryRootRequiresIsa = false; 11602 info.nativeLibraryDir = info.nativeLibraryRootDir; 11603 } else { 11604 // Cluster install 11605 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 11606 info.nativeLibraryRootRequiresIsa = true; 11607 11608 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 11609 getPrimaryInstructionSet(info)).getAbsolutePath(); 11610 11611 if (info.secondaryCpuAbi != null) { 11612 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 11613 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 11614 } 11615 } 11616 } 11617 11618 /** 11619 * Calculate the abis and roots for a bundled app. These can uniquely 11620 * be determined from the contents of the system partition, i.e whether 11621 * it contains 64 or 32 bit shared libraries etc. We do not validate any 11622 * of this information, and instead assume that the system was built 11623 * sensibly. 11624 */ 11625 private static void setBundledAppAbisAndRoots(PackageParser.Package pkg, 11626 PackageSetting pkgSetting) { 11627 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 11628 11629 // If "/system/lib64/apkname" exists, assume that is the per-package 11630 // native library directory to use; otherwise use "/system/lib/apkname". 11631 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 11632 setBundledAppAbi(pkg, apkRoot, apkName); 11633 // pkgSetting might be null during rescan following uninstall of updates 11634 // to a bundled app, so accommodate that possibility. The settings in 11635 // that case will be established later from the parsed package. 11636 // 11637 // If the settings aren't null, sync them up with what we've just derived. 11638 // note that apkRoot isn't stored in the package settings. 11639 if (pkgSetting != null) { 11640 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 11641 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 11642 } 11643 } 11644 11645 /** 11646 * Deduces the ABI of a bundled app and sets the relevant fields on the 11647 * parsed pkg object. 11648 * 11649 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 11650 * under which system libraries are installed. 11651 * @param apkName the name of the installed package. 11652 */ 11653 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 11654 final File codeFile = new File(pkg.codePath); 11655 11656 final boolean has64BitLibs; 11657 final boolean has32BitLibs; 11658 if (isApkFile(codeFile)) { 11659 // Monolithic install 11660 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 11661 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 11662 } else { 11663 // Cluster install 11664 final File rootDir = new File(codeFile, LIB_DIR_NAME); 11665 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 11666 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 11667 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 11668 has64BitLibs = (new File(rootDir, isa)).exists(); 11669 } else { 11670 has64BitLibs = false; 11671 } 11672 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 11673 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 11674 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 11675 has32BitLibs = (new File(rootDir, isa)).exists(); 11676 } else { 11677 has32BitLibs = false; 11678 } 11679 } 11680 11681 if (has64BitLibs && !has32BitLibs) { 11682 // The package has 64 bit libs, but not 32 bit libs. Its primary 11683 // ABI should be 64 bit. We can safely assume here that the bundled 11684 // native libraries correspond to the most preferred ABI in the list. 11685 11686 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 11687 pkg.applicationInfo.secondaryCpuAbi = null; 11688 } else if (has32BitLibs && !has64BitLibs) { 11689 // The package has 32 bit libs but not 64 bit libs. Its primary 11690 // ABI should be 32 bit. 11691 11692 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 11693 pkg.applicationInfo.secondaryCpuAbi = null; 11694 } else if (has32BitLibs && has64BitLibs) { 11695 // The application has both 64 and 32 bit bundled libraries. We check 11696 // here that the app declares multiArch support, and warn if it doesn't. 11697 // 11698 // We will be lenient here and record both ABIs. The primary will be the 11699 // ABI that's higher on the list, i.e, a device that's configured to prefer 11700 // 64 bit apps will see a 64 bit primary ABI, 11701 11702 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 11703 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 11704 } 11705 11706 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 11707 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 11708 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 11709 } else { 11710 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 11711 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 11712 } 11713 } else { 11714 pkg.applicationInfo.primaryCpuAbi = null; 11715 pkg.applicationInfo.secondaryCpuAbi = null; 11716 } 11717 } 11718 11719 private void killApplication(String pkgName, int appId, String reason) { 11720 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 11721 } 11722 11723 private void killApplication(String pkgName, int appId, int userId, String reason) { 11724 // Request the ActivityManager to kill the process(only for existing packages) 11725 // so that we do not end up in a confused state while the user is still using the older 11726 // version of the application while the new one gets installed. 11727 final long token = Binder.clearCallingIdentity(); 11728 try { 11729 IActivityManager am = ActivityManager.getService(); 11730 if (am != null) { 11731 try { 11732 am.killApplication(pkgName, appId, userId, reason); 11733 } catch (RemoteException e) { 11734 } 11735 } 11736 } finally { 11737 Binder.restoreCallingIdentity(token); 11738 } 11739 } 11740 11741 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 11742 // Remove the parent package setting 11743 PackageSetting ps = (PackageSetting) pkg.mExtras; 11744 if (ps != null) { 11745 removePackageLI(ps, chatty); 11746 } 11747 // Remove the child package setting 11748 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 11749 for (int i = 0; i < childCount; i++) { 11750 PackageParser.Package childPkg = pkg.childPackages.get(i); 11751 ps = (PackageSetting) childPkg.mExtras; 11752 if (ps != null) { 11753 removePackageLI(ps, chatty); 11754 } 11755 } 11756 } 11757 11758 void removePackageLI(PackageSetting ps, boolean chatty) { 11759 if (DEBUG_INSTALL) { 11760 if (chatty) 11761 Log.d(TAG, "Removing package " + ps.name); 11762 } 11763 11764 // writer 11765 synchronized (mPackages) { 11766 mPackages.remove(ps.name); 11767 final PackageParser.Package pkg = ps.pkg; 11768 if (pkg != null) { 11769 cleanPackageDataStructuresLILPw(pkg, chatty); 11770 } 11771 } 11772 } 11773 11774 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 11775 if (DEBUG_INSTALL) { 11776 if (chatty) 11777 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 11778 } 11779 11780 // writer 11781 synchronized (mPackages) { 11782 // Remove the parent package 11783 mPackages.remove(pkg.applicationInfo.packageName); 11784 cleanPackageDataStructuresLILPw(pkg, chatty); 11785 11786 // Remove the child packages 11787 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 11788 for (int i = 0; i < childCount; i++) { 11789 PackageParser.Package childPkg = pkg.childPackages.get(i); 11790 mPackages.remove(childPkg.applicationInfo.packageName); 11791 cleanPackageDataStructuresLILPw(childPkg, chatty); 11792 } 11793 } 11794 } 11795 11796 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 11797 int N = pkg.providers.size(); 11798 StringBuilder r = null; 11799 int i; 11800 for (i=0; i<N; i++) { 11801 PackageParser.Provider p = pkg.providers.get(i); 11802 mProviders.removeProvider(p); 11803 if (p.info.authority == null) { 11804 11805 /* There was another ContentProvider with this authority when 11806 * this app was installed so this authority is null, 11807 * Ignore it as we don't have to unregister the provider. 11808 */ 11809 continue; 11810 } 11811 String names[] = p.info.authority.split(";"); 11812 for (int j = 0; j < names.length; j++) { 11813 if (mProvidersByAuthority.get(names[j]) == p) { 11814 mProvidersByAuthority.remove(names[j]); 11815 if (DEBUG_REMOVE) { 11816 if (chatty) 11817 Log.d(TAG, "Unregistered content provider: " + names[j] 11818 + ", className = " + p.info.name + ", isSyncable = " 11819 + p.info.isSyncable); 11820 } 11821 } 11822 } 11823 if (DEBUG_REMOVE && chatty) { 11824 if (r == null) { 11825 r = new StringBuilder(256); 11826 } else { 11827 r.append(' '); 11828 } 11829 r.append(p.info.name); 11830 } 11831 } 11832 if (r != null) { 11833 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 11834 } 11835 11836 N = pkg.services.size(); 11837 r = null; 11838 for (i=0; i<N; i++) { 11839 PackageParser.Service s = pkg.services.get(i); 11840 mServices.removeService(s); 11841 if (chatty) { 11842 if (r == null) { 11843 r = new StringBuilder(256); 11844 } else { 11845 r.append(' '); 11846 } 11847 r.append(s.info.name); 11848 } 11849 } 11850 if (r != null) { 11851 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 11852 } 11853 11854 N = pkg.receivers.size(); 11855 r = null; 11856 for (i=0; i<N; i++) { 11857 PackageParser.Activity a = pkg.receivers.get(i); 11858 mReceivers.removeActivity(a, "receiver"); 11859 if (DEBUG_REMOVE && chatty) { 11860 if (r == null) { 11861 r = new StringBuilder(256); 11862 } else { 11863 r.append(' '); 11864 } 11865 r.append(a.info.name); 11866 } 11867 } 11868 if (r != null) { 11869 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 11870 } 11871 11872 N = pkg.activities.size(); 11873 r = null; 11874 for (i=0; i<N; i++) { 11875 PackageParser.Activity a = pkg.activities.get(i); 11876 mActivities.removeActivity(a, "activity"); 11877 if (DEBUG_REMOVE && chatty) { 11878 if (r == null) { 11879 r = new StringBuilder(256); 11880 } else { 11881 r.append(' '); 11882 } 11883 r.append(a.info.name); 11884 } 11885 } 11886 if (r != null) { 11887 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 11888 } 11889 11890 mPermissionManager.removeAllPermissions(pkg, chatty); 11891 11892 N = pkg.instrumentation.size(); 11893 r = null; 11894 for (i=0; i<N; i++) { 11895 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 11896 mInstrumentation.remove(a.getComponentName()); 11897 if (DEBUG_REMOVE && chatty) { 11898 if (r == null) { 11899 r = new StringBuilder(256); 11900 } else { 11901 r.append(' '); 11902 } 11903 r.append(a.info.name); 11904 } 11905 } 11906 if (r != null) { 11907 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 11908 } 11909 11910 r = null; 11911 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 11912 // Only system apps can hold shared libraries. 11913 if (pkg.libraryNames != null) { 11914 for (i = 0; i < pkg.libraryNames.size(); i++) { 11915 String name = pkg.libraryNames.get(i); 11916 if (removeSharedLibraryLPw(name, 0)) { 11917 if (DEBUG_REMOVE && chatty) { 11918 if (r == null) { 11919 r = new StringBuilder(256); 11920 } else { 11921 r.append(' '); 11922 } 11923 r.append(name); 11924 } 11925 } 11926 } 11927 } 11928 } 11929 11930 r = null; 11931 11932 // Any package can hold static shared libraries. 11933 if (pkg.staticSharedLibName != null) { 11934 if (removeSharedLibraryLPw(pkg.staticSharedLibName, pkg.staticSharedLibVersion)) { 11935 if (DEBUG_REMOVE && chatty) { 11936 if (r == null) { 11937 r = new StringBuilder(256); 11938 } else { 11939 r.append(' '); 11940 } 11941 r.append(pkg.staticSharedLibName); 11942 } 11943 } 11944 } 11945 11946 if (r != null) { 11947 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 11948 } 11949 } 11950 11951 11952 final class ActivityIntentResolver 11953 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 11954 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11955 boolean defaultOnly, int userId) { 11956 if (!sUserManager.exists(userId)) return null; 11957 mFlags = (defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0); 11958 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11959 } 11960 11961 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11962 int userId) { 11963 if (!sUserManager.exists(userId)) return null; 11964 mFlags = flags; 11965 return super.queryIntent(intent, resolvedType, 11966 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 11967 userId); 11968 } 11969 11970 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11971 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 11972 if (!sUserManager.exists(userId)) return null; 11973 if (packageActivities == null) { 11974 return null; 11975 } 11976 mFlags = flags; 11977 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11978 final int N = packageActivities.size(); 11979 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 11980 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 11981 11982 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 11983 for (int i = 0; i < N; ++i) { 11984 intentFilters = packageActivities.get(i).intents; 11985 if (intentFilters != null && intentFilters.size() > 0) { 11986 PackageParser.ActivityIntentInfo[] array = 11987 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 11988 intentFilters.toArray(array); 11989 listCut.add(array); 11990 } 11991 } 11992 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11993 } 11994 11995 /** 11996 * Finds a privileged activity that matches the specified activity names. 11997 */ 11998 private PackageParser.Activity findMatchingActivity( 11999 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 12000 for (PackageParser.Activity sysActivity : activityList) { 12001 if (sysActivity.info.name.equals(activityInfo.name)) { 12002 return sysActivity; 12003 } 12004 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 12005 return sysActivity; 12006 } 12007 if (sysActivity.info.targetActivity != null) { 12008 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 12009 return sysActivity; 12010 } 12011 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 12012 return sysActivity; 12013 } 12014 } 12015 } 12016 return null; 12017 } 12018 12019 public class IterGenerator<E> { 12020 public Iterator<E> generate(ActivityIntentInfo info) { 12021 return null; 12022 } 12023 } 12024 12025 public class ActionIterGenerator extends IterGenerator<String> { 12026 @Override 12027 public Iterator<String> generate(ActivityIntentInfo info) { 12028 return info.actionsIterator(); 12029 } 12030 } 12031 12032 public class CategoriesIterGenerator extends IterGenerator<String> { 12033 @Override 12034 public Iterator<String> generate(ActivityIntentInfo info) { 12035 return info.categoriesIterator(); 12036 } 12037 } 12038 12039 public class SchemesIterGenerator extends IterGenerator<String> { 12040 @Override 12041 public Iterator<String> generate(ActivityIntentInfo info) { 12042 return info.schemesIterator(); 12043 } 12044 } 12045 12046 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 12047 @Override 12048 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 12049 return info.authoritiesIterator(); 12050 } 12051 } 12052 12053 /** 12054 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 12055 * MODIFIED. Do not pass in a list that should not be changed. 12056 */ 12057 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 12058 IterGenerator<T> generator, Iterator<T> searchIterator) { 12059 // loop through the set of actions; every one must be found in the intent filter 12060 while (searchIterator.hasNext()) { 12061 // we must have at least one filter in the list to consider a match 12062 if (intentList.size() == 0) { 12063 break; 12064 } 12065 12066 final T searchAction = searchIterator.next(); 12067 12068 // loop through the set of intent filters 12069 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 12070 while (intentIter.hasNext()) { 12071 final ActivityIntentInfo intentInfo = intentIter.next(); 12072 boolean selectionFound = false; 12073 12074 // loop through the intent filter's selection criteria; at least one 12075 // of them must match the searched criteria 12076 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 12077 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 12078 final T intentSelection = intentSelectionIter.next(); 12079 if (intentSelection != null && intentSelection.equals(searchAction)) { 12080 selectionFound = true; 12081 break; 12082 } 12083 } 12084 12085 // the selection criteria wasn't found in this filter's set; this filter 12086 // is not a potential match 12087 if (!selectionFound) { 12088 intentIter.remove(); 12089 } 12090 } 12091 } 12092 } 12093 12094 private boolean isProtectedAction(ActivityIntentInfo filter) { 12095 final Iterator<String> actionsIter = filter.actionsIterator(); 12096 while (actionsIter != null && actionsIter.hasNext()) { 12097 final String filterAction = actionsIter.next(); 12098 if (PROTECTED_ACTIONS.contains(filterAction)) { 12099 return true; 12100 } 12101 } 12102 return false; 12103 } 12104 12105 /** 12106 * Adjusts the priority of the given intent filter according to policy. 12107 * <p> 12108 * <ul> 12109 * <li>The priority for non privileged applications is capped to '0'</li> 12110 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 12111 * <li>The priority for unbundled updates to privileged applications is capped to the 12112 * priority defined on the system partition</li> 12113 * </ul> 12114 * <p> 12115 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 12116 * allowed to obtain any priority on any action. 12117 */ 12118 private void adjustPriority( 12119 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 12120 // nothing to do; priority is fine as-is 12121 if (intent.getPriority() <= 0) { 12122 return; 12123 } 12124 12125 final ActivityInfo activityInfo = intent.activity.info; 12126 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 12127 12128 final boolean privilegedApp = 12129 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 12130 if (!privilegedApp) { 12131 // non-privileged applications can never define a priority >0 12132 if (DEBUG_FILTERS) { 12133 Slog.i(TAG, "Non-privileged app; cap priority to 0;" 12134 + " package: " + applicationInfo.packageName 12135 + " activity: " + intent.activity.className 12136 + " origPrio: " + intent.getPriority()); 12137 } 12138 intent.setPriority(0); 12139 return; 12140 } 12141 12142 if (systemActivities == null) { 12143 // the system package is not disabled; we're parsing the system partition 12144 if (isProtectedAction(intent)) { 12145 if (mDeferProtectedFilters) { 12146 // We can't deal with these just yet. No component should ever obtain a 12147 // >0 priority for a protected actions, with ONE exception -- the setup 12148 // wizard. The setup wizard, however, cannot be known until we're able to 12149 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 12150 // until all intent filters have been processed. Chicken, meet egg. 12151 // Let the filter temporarily have a high priority and rectify the 12152 // priorities after all system packages have been scanned. 12153 mProtectedFilters.add(intent); 12154 if (DEBUG_FILTERS) { 12155 Slog.i(TAG, "Protected action; save for later;" 12156 + " package: " + applicationInfo.packageName 12157 + " activity: " + intent.activity.className 12158 + " origPrio: " + intent.getPriority()); 12159 } 12160 return; 12161 } else { 12162 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 12163 Slog.i(TAG, "No setup wizard;" 12164 + " All protected intents capped to priority 0"); 12165 } 12166 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 12167 if (DEBUG_FILTERS) { 12168 Slog.i(TAG, "Found setup wizard;" 12169 + " allow priority " + intent.getPriority() + ";" 12170 + " package: " + intent.activity.info.packageName 12171 + " activity: " + intent.activity.className 12172 + " priority: " + intent.getPriority()); 12173 } 12174 // setup wizard gets whatever it wants 12175 return; 12176 } 12177 if (DEBUG_FILTERS) { 12178 Slog.i(TAG, "Protected action; cap priority to 0;" 12179 + " package: " + intent.activity.info.packageName 12180 + " activity: " + intent.activity.className 12181 + " origPrio: " + intent.getPriority()); 12182 } 12183 intent.setPriority(0); 12184 return; 12185 } 12186 } 12187 // privileged apps on the system image get whatever priority they request 12188 return; 12189 } 12190 12191 // privileged app unbundled update ... try to find the same activity 12192 final PackageParser.Activity foundActivity = 12193 findMatchingActivity(systemActivities, activityInfo); 12194 if (foundActivity == null) { 12195 // this is a new activity; it cannot obtain >0 priority 12196 if (DEBUG_FILTERS) { 12197 Slog.i(TAG, "New activity; cap priority to 0;" 12198 + " package: " + applicationInfo.packageName 12199 + " activity: " + intent.activity.className 12200 + " origPrio: " + intent.getPriority()); 12201 } 12202 intent.setPriority(0); 12203 return; 12204 } 12205 12206 // found activity, now check for filter equivalence 12207 12208 // a shallow copy is enough; we modify the list, not its contents 12209 final List<ActivityIntentInfo> intentListCopy = 12210 new ArrayList<>(foundActivity.intents); 12211 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 12212 12213 // find matching action subsets 12214 final Iterator<String> actionsIterator = intent.actionsIterator(); 12215 if (actionsIterator != null) { 12216 getIntentListSubset( 12217 intentListCopy, new ActionIterGenerator(), actionsIterator); 12218 if (intentListCopy.size() == 0) { 12219 // no more intents to match; we're not equivalent 12220 if (DEBUG_FILTERS) { 12221 Slog.i(TAG, "Mismatched action; cap priority to 0;" 12222 + " package: " + applicationInfo.packageName 12223 + " activity: " + intent.activity.className 12224 + " origPrio: " + intent.getPriority()); 12225 } 12226 intent.setPriority(0); 12227 return; 12228 } 12229 } 12230 12231 // find matching category subsets 12232 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 12233 if (categoriesIterator != null) { 12234 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 12235 categoriesIterator); 12236 if (intentListCopy.size() == 0) { 12237 // no more intents to match; we're not equivalent 12238 if (DEBUG_FILTERS) { 12239 Slog.i(TAG, "Mismatched category; cap priority to 0;" 12240 + " package: " + applicationInfo.packageName 12241 + " activity: " + intent.activity.className 12242 + " origPrio: " + intent.getPriority()); 12243 } 12244 intent.setPriority(0); 12245 return; 12246 } 12247 } 12248 12249 // find matching schemes subsets 12250 final Iterator<String> schemesIterator = intent.schemesIterator(); 12251 if (schemesIterator != null) { 12252 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 12253 schemesIterator); 12254 if (intentListCopy.size() == 0) { 12255 // no more intents to match; we're not equivalent 12256 if (DEBUG_FILTERS) { 12257 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 12258 + " package: " + applicationInfo.packageName 12259 + " activity: " + intent.activity.className 12260 + " origPrio: " + intent.getPriority()); 12261 } 12262 intent.setPriority(0); 12263 return; 12264 } 12265 } 12266 12267 // find matching authorities subsets 12268 final Iterator<IntentFilter.AuthorityEntry> 12269 authoritiesIterator = intent.authoritiesIterator(); 12270 if (authoritiesIterator != null) { 12271 getIntentListSubset(intentListCopy, 12272 new AuthoritiesIterGenerator(), 12273 authoritiesIterator); 12274 if (intentListCopy.size() == 0) { 12275 // no more intents to match; we're not equivalent 12276 if (DEBUG_FILTERS) { 12277 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 12278 + " package: " + applicationInfo.packageName 12279 + " activity: " + intent.activity.className 12280 + " origPrio: " + intent.getPriority()); 12281 } 12282 intent.setPriority(0); 12283 return; 12284 } 12285 } 12286 12287 // we found matching filter(s); app gets the max priority of all intents 12288 int cappedPriority = 0; 12289 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 12290 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 12291 } 12292 if (intent.getPriority() > cappedPriority) { 12293 if (DEBUG_FILTERS) { 12294 Slog.i(TAG, "Found matching filter(s);" 12295 + " cap priority to " + cappedPriority + ";" 12296 + " package: " + applicationInfo.packageName 12297 + " activity: " + intent.activity.className 12298 + " origPrio: " + intent.getPriority()); 12299 } 12300 intent.setPriority(cappedPriority); 12301 return; 12302 } 12303 // all this for nothing; the requested priority was <= what was on the system 12304 } 12305 12306 public final void addActivity(PackageParser.Activity a, String type) { 12307 mActivities.put(a.getComponentName(), a); 12308 if (DEBUG_SHOW_INFO) 12309 Log.v( 12310 TAG, " " + type + " " + 12311 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 12312 if (DEBUG_SHOW_INFO) 12313 Log.v(TAG, " Class=" + a.info.name); 12314 final int NI = a.intents.size(); 12315 for (int j=0; j<NI; j++) { 12316 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 12317 if ("activity".equals(type)) { 12318 final PackageSetting ps = 12319 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 12320 final List<PackageParser.Activity> systemActivities = 12321 ps != null && ps.pkg != null ? ps.pkg.activities : null; 12322 adjustPriority(systemActivities, intent); 12323 } 12324 if (DEBUG_SHOW_INFO) { 12325 Log.v(TAG, " IntentFilter:"); 12326 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12327 } 12328 if (!intent.debugCheck()) { 12329 Log.w(TAG, "==> For Activity " + a.info.name); 12330 } 12331 addFilter(intent); 12332 } 12333 } 12334 12335 public final void removeActivity(PackageParser.Activity a, String type) { 12336 mActivities.remove(a.getComponentName()); 12337 if (DEBUG_SHOW_INFO) { 12338 Log.v(TAG, " " + type + " " 12339 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 12340 : a.info.name) + ":"); 12341 Log.v(TAG, " Class=" + a.info.name); 12342 } 12343 final int NI = a.intents.size(); 12344 for (int j=0; j<NI; j++) { 12345 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 12346 if (DEBUG_SHOW_INFO) { 12347 Log.v(TAG, " IntentFilter:"); 12348 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12349 } 12350 removeFilter(intent); 12351 } 12352 } 12353 12354 @Override 12355 protected boolean allowFilterResult( 12356 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 12357 ActivityInfo filterAi = filter.activity.info; 12358 for (int i=dest.size()-1; i>=0; i--) { 12359 ActivityInfo destAi = dest.get(i).activityInfo; 12360 if (destAi.name == filterAi.name 12361 && destAi.packageName == filterAi.packageName) { 12362 return false; 12363 } 12364 } 12365 return true; 12366 } 12367 12368 @Override 12369 protected ActivityIntentInfo[] newArray(int size) { 12370 return new ActivityIntentInfo[size]; 12371 } 12372 12373 @Override 12374 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 12375 if (!sUserManager.exists(userId)) return true; 12376 PackageParser.Package p = filter.activity.owner; 12377 if (p != null) { 12378 PackageSetting ps = (PackageSetting)p.mExtras; 12379 if (ps != null) { 12380 // System apps are never considered stopped for purposes of 12381 // filtering, because there may be no way for the user to 12382 // actually re-launch them. 12383 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 12384 && ps.getStopped(userId); 12385 } 12386 } 12387 return false; 12388 } 12389 12390 @Override 12391 protected boolean isPackageForFilter(String packageName, 12392 PackageParser.ActivityIntentInfo info) { 12393 return packageName.equals(info.activity.owner.packageName); 12394 } 12395 12396 @Override 12397 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 12398 int match, int userId) { 12399 if (!sUserManager.exists(userId)) return null; 12400 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 12401 return null; 12402 } 12403 final PackageParser.Activity activity = info.activity; 12404 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 12405 if (ps == null) { 12406 return null; 12407 } 12408 final PackageUserState userState = ps.readUserState(userId); 12409 ActivityInfo ai = 12410 PackageParser.generateActivityInfo(activity, mFlags, userState, userId); 12411 if (ai == null) { 12412 return null; 12413 } 12414 final boolean matchExplicitlyVisibleOnly = 12415 (mFlags & PackageManager.MATCH_EXPLICITLY_VISIBLE_ONLY) != 0; 12416 final boolean matchVisibleToInstantApp = 12417 (mFlags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 12418 final boolean componentVisible = 12419 matchVisibleToInstantApp 12420 && info.isVisibleToInstantApp() 12421 && (!matchExplicitlyVisibleOnly || info.isExplicitlyVisibleToInstantApp()); 12422 final boolean matchInstantApp = (mFlags & PackageManager.MATCH_INSTANT) != 0; 12423 // throw out filters that aren't visible to ephemeral apps 12424 if (matchVisibleToInstantApp && !(componentVisible || userState.instantApp)) { 12425 return null; 12426 } 12427 // throw out instant app filters if we're not explicitly requesting them 12428 if (!matchInstantApp && userState.instantApp) { 12429 return null; 12430 } 12431 // throw out instant app filters if updates are available; will trigger 12432 // instant app resolution 12433 if (userState.instantApp && ps.isUpdateAvailable()) { 12434 return null; 12435 } 12436 final ResolveInfo res = new ResolveInfo(); 12437 res.activityInfo = ai; 12438 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 12439 res.filter = info; 12440 } 12441 if (info != null) { 12442 res.handleAllWebDataURI = info.handleAllWebDataURI(); 12443 } 12444 res.priority = info.getPriority(); 12445 res.preferredOrder = activity.owner.mPreferredOrder; 12446 //System.out.println("Result: " + res.activityInfo.className + 12447 // " = " + res.priority); 12448 res.match = match; 12449 res.isDefault = info.hasDefault; 12450 res.labelRes = info.labelRes; 12451 res.nonLocalizedLabel = info.nonLocalizedLabel; 12452 if (userNeedsBadging(userId)) { 12453 res.noResourceId = true; 12454 } else { 12455 res.icon = info.icon; 12456 } 12457 res.iconResourceId = info.icon; 12458 res.system = res.activityInfo.applicationInfo.isSystemApp(); 12459 res.isInstantAppAvailable = userState.instantApp; 12460 return res; 12461 } 12462 12463 @Override 12464 protected void sortResults(List<ResolveInfo> results) { 12465 Collections.sort(results, mResolvePrioritySorter); 12466 } 12467 12468 @Override 12469 protected void dumpFilter(PrintWriter out, String prefix, 12470 PackageParser.ActivityIntentInfo filter) { 12471 out.print(prefix); out.print( 12472 Integer.toHexString(System.identityHashCode(filter.activity))); 12473 out.print(' '); 12474 filter.activity.printComponentShortName(out); 12475 out.print(" filter "); 12476 out.println(Integer.toHexString(System.identityHashCode(filter))); 12477 } 12478 12479 @Override 12480 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 12481 return filter.activity; 12482 } 12483 12484 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12485 PackageParser.Activity activity = (PackageParser.Activity)label; 12486 out.print(prefix); out.print( 12487 Integer.toHexString(System.identityHashCode(activity))); 12488 out.print(' '); 12489 activity.printComponentShortName(out); 12490 if (count > 1) { 12491 out.print(" ("); out.print(count); out.print(" filters)"); 12492 } 12493 out.println(); 12494 } 12495 12496 // Keys are String (activity class name), values are Activity. 12497 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 12498 = new ArrayMap<ComponentName, PackageParser.Activity>(); 12499 private int mFlags; 12500 } 12501 12502 private final class ServiceIntentResolver 12503 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 12504 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 12505 boolean defaultOnly, int userId) { 12506 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 12507 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 12508 } 12509 12510 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 12511 int userId) { 12512 if (!sUserManager.exists(userId)) return null; 12513 mFlags = flags; 12514 return super.queryIntent(intent, resolvedType, 12515 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 12516 userId); 12517 } 12518 12519 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 12520 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 12521 if (!sUserManager.exists(userId)) return null; 12522 if (packageServices == null) { 12523 return null; 12524 } 12525 mFlags = flags; 12526 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 12527 final int N = packageServices.size(); 12528 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 12529 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 12530 12531 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 12532 for (int i = 0; i < N; ++i) { 12533 intentFilters = packageServices.get(i).intents; 12534 if (intentFilters != null && intentFilters.size() > 0) { 12535 PackageParser.ServiceIntentInfo[] array = 12536 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 12537 intentFilters.toArray(array); 12538 listCut.add(array); 12539 } 12540 } 12541 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 12542 } 12543 12544 public final void addService(PackageParser.Service s) { 12545 mServices.put(s.getComponentName(), s); 12546 if (DEBUG_SHOW_INFO) { 12547 Log.v(TAG, " " 12548 + (s.info.nonLocalizedLabel != null 12549 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 12550 Log.v(TAG, " Class=" + s.info.name); 12551 } 12552 final int NI = s.intents.size(); 12553 int j; 12554 for (j=0; j<NI; j++) { 12555 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 12556 if (DEBUG_SHOW_INFO) { 12557 Log.v(TAG, " IntentFilter:"); 12558 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12559 } 12560 if (!intent.debugCheck()) { 12561 Log.w(TAG, "==> For Service " + s.info.name); 12562 } 12563 addFilter(intent); 12564 } 12565 } 12566 12567 public final void removeService(PackageParser.Service s) { 12568 mServices.remove(s.getComponentName()); 12569 if (DEBUG_SHOW_INFO) { 12570 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 12571 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 12572 Log.v(TAG, " Class=" + s.info.name); 12573 } 12574 final int NI = s.intents.size(); 12575 int j; 12576 for (j=0; j<NI; j++) { 12577 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 12578 if (DEBUG_SHOW_INFO) { 12579 Log.v(TAG, " IntentFilter:"); 12580 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12581 } 12582 removeFilter(intent); 12583 } 12584 } 12585 12586 @Override 12587 protected boolean allowFilterResult( 12588 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 12589 ServiceInfo filterSi = filter.service.info; 12590 for (int i=dest.size()-1; i>=0; i--) { 12591 ServiceInfo destAi = dest.get(i).serviceInfo; 12592 if (destAi.name == filterSi.name 12593 && destAi.packageName == filterSi.packageName) { 12594 return false; 12595 } 12596 } 12597 return true; 12598 } 12599 12600 @Override 12601 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 12602 return new PackageParser.ServiceIntentInfo[size]; 12603 } 12604 12605 @Override 12606 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 12607 if (!sUserManager.exists(userId)) return true; 12608 PackageParser.Package p = filter.service.owner; 12609 if (p != null) { 12610 PackageSetting ps = (PackageSetting)p.mExtras; 12611 if (ps != null) { 12612 // System apps are never considered stopped for purposes of 12613 // filtering, because there may be no way for the user to 12614 // actually re-launch them. 12615 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 12616 && ps.getStopped(userId); 12617 } 12618 } 12619 return false; 12620 } 12621 12622 @Override 12623 protected boolean isPackageForFilter(String packageName, 12624 PackageParser.ServiceIntentInfo info) { 12625 return packageName.equals(info.service.owner.packageName); 12626 } 12627 12628 @Override 12629 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 12630 int match, int userId) { 12631 if (!sUserManager.exists(userId)) return null; 12632 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 12633 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 12634 return null; 12635 } 12636 final PackageParser.Service service = info.service; 12637 PackageSetting ps = (PackageSetting) service.owner.mExtras; 12638 if (ps == null) { 12639 return null; 12640 } 12641 final PackageUserState userState = ps.readUserState(userId); 12642 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 12643 userState, userId); 12644 if (si == null) { 12645 return null; 12646 } 12647 final boolean matchVisibleToInstantApp = 12648 (mFlags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 12649 final boolean isInstantApp = (mFlags & PackageManager.MATCH_INSTANT) != 0; 12650 // throw out filters that aren't visible to ephemeral apps 12651 if (matchVisibleToInstantApp 12652 && !(info.isVisibleToInstantApp() || userState.instantApp)) { 12653 return null; 12654 } 12655 // throw out ephemeral filters if we're not explicitly requesting them 12656 if (!isInstantApp && userState.instantApp) { 12657 return null; 12658 } 12659 // throw out instant app filters if updates are available; will trigger 12660 // instant app resolution 12661 if (userState.instantApp && ps.isUpdateAvailable()) { 12662 return null; 12663 } 12664 final ResolveInfo res = new ResolveInfo(); 12665 res.serviceInfo = si; 12666 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 12667 res.filter = filter; 12668 } 12669 res.priority = info.getPriority(); 12670 res.preferredOrder = service.owner.mPreferredOrder; 12671 res.match = match; 12672 res.isDefault = info.hasDefault; 12673 res.labelRes = info.labelRes; 12674 res.nonLocalizedLabel = info.nonLocalizedLabel; 12675 res.icon = info.icon; 12676 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 12677 return res; 12678 } 12679 12680 @Override 12681 protected void sortResults(List<ResolveInfo> results) { 12682 Collections.sort(results, mResolvePrioritySorter); 12683 } 12684 12685 @Override 12686 protected void dumpFilter(PrintWriter out, String prefix, 12687 PackageParser.ServiceIntentInfo filter) { 12688 out.print(prefix); out.print( 12689 Integer.toHexString(System.identityHashCode(filter.service))); 12690 out.print(' '); 12691 filter.service.printComponentShortName(out); 12692 out.print(" filter "); 12693 out.print(Integer.toHexString(System.identityHashCode(filter))); 12694 if (filter.service.info.permission != null) { 12695 out.print(" permission "); out.println(filter.service.info.permission); 12696 } else { 12697 out.println(); 12698 } 12699 } 12700 12701 @Override 12702 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 12703 return filter.service; 12704 } 12705 12706 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12707 PackageParser.Service service = (PackageParser.Service)label; 12708 out.print(prefix); out.print( 12709 Integer.toHexString(System.identityHashCode(service))); 12710 out.print(' '); 12711 service.printComponentShortName(out); 12712 if (count > 1) { 12713 out.print(" ("); out.print(count); out.print(" filters)"); 12714 } 12715 out.println(); 12716 } 12717 12718// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 12719// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 12720// final List<ResolveInfo> retList = Lists.newArrayList(); 12721// while (i.hasNext()) { 12722// final ResolveInfo resolveInfo = (ResolveInfo) i; 12723// if (isEnabledLP(resolveInfo.serviceInfo)) { 12724// retList.add(resolveInfo); 12725// } 12726// } 12727// return retList; 12728// } 12729 12730 // Keys are String (activity class name), values are Activity. 12731 private final ArrayMap<ComponentName, PackageParser.Service> mServices 12732 = new ArrayMap<ComponentName, PackageParser.Service>(); 12733 private int mFlags; 12734 } 12735 12736 private final class ProviderIntentResolver 12737 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 12738 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 12739 boolean defaultOnly, int userId) { 12740 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 12741 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 12742 } 12743 12744 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 12745 int userId) { 12746 if (!sUserManager.exists(userId)) 12747 return null; 12748 mFlags = flags; 12749 return super.queryIntent(intent, resolvedType, 12750 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 12751 userId); 12752 } 12753 12754 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 12755 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 12756 if (!sUserManager.exists(userId)) 12757 return null; 12758 if (packageProviders == null) { 12759 return null; 12760 } 12761 mFlags = flags; 12762 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 12763 final int N = packageProviders.size(); 12764 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 12765 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 12766 12767 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 12768 for (int i = 0; i < N; ++i) { 12769 intentFilters = packageProviders.get(i).intents; 12770 if (intentFilters != null && intentFilters.size() > 0) { 12771 PackageParser.ProviderIntentInfo[] array = 12772 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 12773 intentFilters.toArray(array); 12774 listCut.add(array); 12775 } 12776 } 12777 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 12778 } 12779 12780 public final void addProvider(PackageParser.Provider p) { 12781 if (mProviders.containsKey(p.getComponentName())) { 12782 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 12783 return; 12784 } 12785 12786 mProviders.put(p.getComponentName(), p); 12787 if (DEBUG_SHOW_INFO) { 12788 Log.v(TAG, " " 12789 + (p.info.nonLocalizedLabel != null 12790 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 12791 Log.v(TAG, " Class=" + p.info.name); 12792 } 12793 final int NI = p.intents.size(); 12794 int j; 12795 for (j = 0; j < NI; j++) { 12796 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 12797 if (DEBUG_SHOW_INFO) { 12798 Log.v(TAG, " IntentFilter:"); 12799 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12800 } 12801 if (!intent.debugCheck()) { 12802 Log.w(TAG, "==> For Provider " + p.info.name); 12803 } 12804 addFilter(intent); 12805 } 12806 } 12807 12808 public final void removeProvider(PackageParser.Provider p) { 12809 mProviders.remove(p.getComponentName()); 12810 if (DEBUG_SHOW_INFO) { 12811 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 12812 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 12813 Log.v(TAG, " Class=" + p.info.name); 12814 } 12815 final int NI = p.intents.size(); 12816 int j; 12817 for (j = 0; j < NI; j++) { 12818 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 12819 if (DEBUG_SHOW_INFO) { 12820 Log.v(TAG, " IntentFilter:"); 12821 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12822 } 12823 removeFilter(intent); 12824 } 12825 } 12826 12827 @Override 12828 protected boolean allowFilterResult( 12829 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 12830 ProviderInfo filterPi = filter.provider.info; 12831 for (int i = dest.size() - 1; i >= 0; i--) { 12832 ProviderInfo destPi = dest.get(i).providerInfo; 12833 if (destPi.name == filterPi.name 12834 && destPi.packageName == filterPi.packageName) { 12835 return false; 12836 } 12837 } 12838 return true; 12839 } 12840 12841 @Override 12842 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 12843 return new PackageParser.ProviderIntentInfo[size]; 12844 } 12845 12846 @Override 12847 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 12848 if (!sUserManager.exists(userId)) 12849 return true; 12850 PackageParser.Package p = filter.provider.owner; 12851 if (p != null) { 12852 PackageSetting ps = (PackageSetting) p.mExtras; 12853 if (ps != null) { 12854 // System apps are never considered stopped for purposes of 12855 // filtering, because there may be no way for the user to 12856 // actually re-launch them. 12857 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 12858 && ps.getStopped(userId); 12859 } 12860 } 12861 return false; 12862 } 12863 12864 @Override 12865 protected boolean isPackageForFilter(String packageName, 12866 PackageParser.ProviderIntentInfo info) { 12867 return packageName.equals(info.provider.owner.packageName); 12868 } 12869 12870 @Override 12871 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 12872 int match, int userId) { 12873 if (!sUserManager.exists(userId)) 12874 return null; 12875 final PackageParser.ProviderIntentInfo info = filter; 12876 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 12877 return null; 12878 } 12879 final PackageParser.Provider provider = info.provider; 12880 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 12881 if (ps == null) { 12882 return null; 12883 } 12884 final PackageUserState userState = ps.readUserState(userId); 12885 final boolean matchVisibleToInstantApp = 12886 (mFlags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 12887 final boolean isInstantApp = (mFlags & PackageManager.MATCH_INSTANT) != 0; 12888 // throw out filters that aren't visible to instant applications 12889 if (matchVisibleToInstantApp 12890 && !(info.isVisibleToInstantApp() || userState.instantApp)) { 12891 return null; 12892 } 12893 // throw out instant application filters if we're not explicitly requesting them 12894 if (!isInstantApp && userState.instantApp) { 12895 return null; 12896 } 12897 // throw out instant application filters if updates are available; will trigger 12898 // instant application resolution 12899 if (userState.instantApp && ps.isUpdateAvailable()) { 12900 return null; 12901 } 12902 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 12903 userState, userId); 12904 if (pi == null) { 12905 return null; 12906 } 12907 final ResolveInfo res = new ResolveInfo(); 12908 res.providerInfo = pi; 12909 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 12910 res.filter = filter; 12911 } 12912 res.priority = info.getPriority(); 12913 res.preferredOrder = provider.owner.mPreferredOrder; 12914 res.match = match; 12915 res.isDefault = info.hasDefault; 12916 res.labelRes = info.labelRes; 12917 res.nonLocalizedLabel = info.nonLocalizedLabel; 12918 res.icon = info.icon; 12919 res.system = res.providerInfo.applicationInfo.isSystemApp(); 12920 return res; 12921 } 12922 12923 @Override 12924 protected void sortResults(List<ResolveInfo> results) { 12925 Collections.sort(results, mResolvePrioritySorter); 12926 } 12927 12928 @Override 12929 protected void dumpFilter(PrintWriter out, String prefix, 12930 PackageParser.ProviderIntentInfo filter) { 12931 out.print(prefix); 12932 out.print( 12933 Integer.toHexString(System.identityHashCode(filter.provider))); 12934 out.print(' '); 12935 filter.provider.printComponentShortName(out); 12936 out.print(" filter "); 12937 out.println(Integer.toHexString(System.identityHashCode(filter))); 12938 } 12939 12940 @Override 12941 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 12942 return filter.provider; 12943 } 12944 12945 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12946 PackageParser.Provider provider = (PackageParser.Provider)label; 12947 out.print(prefix); out.print( 12948 Integer.toHexString(System.identityHashCode(provider))); 12949 out.print(' '); 12950 provider.printComponentShortName(out); 12951 if (count > 1) { 12952 out.print(" ("); out.print(count); out.print(" filters)"); 12953 } 12954 out.println(); 12955 } 12956 12957 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 12958 = new ArrayMap<ComponentName, PackageParser.Provider>(); 12959 private int mFlags; 12960 } 12961 12962 static final class EphemeralIntentResolver 12963 extends IntentResolver<AuxiliaryResolveInfo, AuxiliaryResolveInfo> { 12964 /** 12965 * The result that has the highest defined order. Ordering applies on a 12966 * per-package basis. Mapping is from package name to Pair of order and 12967 * EphemeralResolveInfo. 12968 * <p> 12969 * NOTE: This is implemented as a field variable for convenience and efficiency. 12970 * By having a field variable, we're able to track filter ordering as soon as 12971 * a non-zero order is defined. Otherwise, multiple loops across the result set 12972 * would be needed to apply ordering. If the intent resolver becomes re-entrant, 12973 * this needs to be contained entirely within {@link #filterResults}. 12974 */ 12975 final ArrayMap<String, Pair<Integer, InstantAppResolveInfo>> mOrderResult = new ArrayMap<>(); 12976 12977 @Override 12978 protected AuxiliaryResolveInfo[] newArray(int size) { 12979 return new AuxiliaryResolveInfo[size]; 12980 } 12981 12982 @Override 12983 protected boolean isPackageForFilter(String packageName, AuxiliaryResolveInfo responseObj) { 12984 return true; 12985 } 12986 12987 @Override 12988 protected AuxiliaryResolveInfo newResult(AuxiliaryResolveInfo responseObj, int match, 12989 int userId) { 12990 if (!sUserManager.exists(userId)) { 12991 return null; 12992 } 12993 final String packageName = responseObj.resolveInfo.getPackageName(); 12994 final Integer order = responseObj.getOrder(); 12995 final Pair<Integer, InstantAppResolveInfo> lastOrderResult = 12996 mOrderResult.get(packageName); 12997 // ordering is enabled and this item's order isn't high enough 12998 if (lastOrderResult != null && lastOrderResult.first >= order) { 12999 return null; 13000 } 13001 final InstantAppResolveInfo res = responseObj.resolveInfo; 13002 if (order > 0) { 13003 // non-zero order, enable ordering 13004 mOrderResult.put(packageName, new Pair<>(order, res)); 13005 } 13006 return responseObj; 13007 } 13008 13009 @Override 13010 protected void filterResults(List<AuxiliaryResolveInfo> results) { 13011 // only do work if ordering is enabled [most of the time it won't be] 13012 if (mOrderResult.size() == 0) { 13013 return; 13014 } 13015 int resultSize = results.size(); 13016 for (int i = 0; i < resultSize; i++) { 13017 final InstantAppResolveInfo info = results.get(i).resolveInfo; 13018 final String packageName = info.getPackageName(); 13019 final Pair<Integer, InstantAppResolveInfo> savedInfo = mOrderResult.get(packageName); 13020 if (savedInfo == null) { 13021 // package doesn't having ordering 13022 continue; 13023 } 13024 if (savedInfo.second == info) { 13025 // circled back to the highest ordered item; remove from order list 13026 mOrderResult.remove(packageName); 13027 if (mOrderResult.size() == 0) { 13028 // no more ordered items 13029 break; 13030 } 13031 continue; 13032 } 13033 // item has a worse order, remove it from the result list 13034 results.remove(i); 13035 resultSize--; 13036 i--; 13037 } 13038 } 13039 } 13040 13041 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 13042 new Comparator<ResolveInfo>() { 13043 public int compare(ResolveInfo r1, ResolveInfo r2) { 13044 int v1 = r1.priority; 13045 int v2 = r2.priority; 13046 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 13047 if (v1 != v2) { 13048 return (v1 > v2) ? -1 : 1; 13049 } 13050 v1 = r1.preferredOrder; 13051 v2 = r2.preferredOrder; 13052 if (v1 != v2) { 13053 return (v1 > v2) ? -1 : 1; 13054 } 13055 if (r1.isDefault != r2.isDefault) { 13056 return r1.isDefault ? -1 : 1; 13057 } 13058 v1 = r1.match; 13059 v2 = r2.match; 13060 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 13061 if (v1 != v2) { 13062 return (v1 > v2) ? -1 : 1; 13063 } 13064 if (r1.system != r2.system) { 13065 return r1.system ? -1 : 1; 13066 } 13067 if (r1.activityInfo != null) { 13068 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 13069 } 13070 if (r1.serviceInfo != null) { 13071 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 13072 } 13073 if (r1.providerInfo != null) { 13074 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 13075 } 13076 return 0; 13077 } 13078 }; 13079 13080 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 13081 new Comparator<ProviderInfo>() { 13082 public int compare(ProviderInfo p1, ProviderInfo p2) { 13083 final int v1 = p1.initOrder; 13084 final int v2 = p2.initOrder; 13085 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 13086 } 13087 }; 13088 13089 @Override 13090 public void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 13091 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 13092 final int[] userIds, int[] instantUserIds) { 13093 mHandler.post(new Runnable() { 13094 @Override 13095 public void run() { 13096 try { 13097 final IActivityManager am = ActivityManager.getService(); 13098 if (am == null) return; 13099 final int[] resolvedUserIds; 13100 if (userIds == null) { 13101 resolvedUserIds = am.getRunningUserIds(); 13102 } else { 13103 resolvedUserIds = userIds; 13104 } 13105 doSendBroadcast(am, action, pkg, extras, flags, targetPkg, finishedReceiver, 13106 resolvedUserIds, false); 13107 if (instantUserIds != null && instantUserIds != EMPTY_INT_ARRAY) { 13108 doSendBroadcast(am, action, pkg, extras, flags, targetPkg, finishedReceiver, 13109 instantUserIds, true); 13110 } 13111 } catch (RemoteException ex) { 13112 } 13113 } 13114 }); 13115 } 13116 13117 @Override 13118 public void notifyPackageAdded(String packageName) { 13119 final PackageListObserver[] observers; 13120 synchronized (mPackages) { 13121 if (mPackageListObservers.size() == 0) { 13122 return; 13123 } 13124 observers = (PackageListObserver[]) mPackageListObservers.toArray(); 13125 } 13126 for (int i = observers.length - 1; i >= 0; --i) { 13127 observers[i].onPackageAdded(packageName); 13128 } 13129 } 13130 13131 @Override 13132 public void notifyPackageRemoved(String packageName) { 13133 final PackageListObserver[] observers; 13134 synchronized (mPackages) { 13135 if (mPackageListObservers.size() == 0) { 13136 return; 13137 } 13138 observers = (PackageListObserver[]) mPackageListObservers.toArray(); 13139 } 13140 for (int i = observers.length - 1; i >= 0; --i) { 13141 observers[i].onPackageRemoved(packageName); 13142 } 13143 } 13144 13145 /** 13146 * Sends a broadcast for the given action. 13147 * <p>If {@code isInstantApp} is {@code true}, then the broadcast is protected with 13148 * the {@link android.Manifest.permission#ACCESS_INSTANT_APPS} permission. This allows 13149 * the system and applications allowed to see instant applications to receive package 13150 * lifecycle events for instant applications. 13151 */ 13152 private void doSendBroadcast(IActivityManager am, String action, String pkg, Bundle extras, 13153 int flags, String targetPkg, IIntentReceiver finishedReceiver, 13154 int[] userIds, boolean isInstantApp) 13155 throws RemoteException { 13156 for (int id : userIds) { 13157 final Intent intent = new Intent(action, 13158 pkg != null ? Uri.fromParts(PACKAGE_SCHEME, pkg, null) : null); 13159 final String[] requiredPermissions = 13160 isInstantApp ? INSTANT_APP_BROADCAST_PERMISSION : null; 13161 if (extras != null) { 13162 intent.putExtras(extras); 13163 } 13164 if (targetPkg != null) { 13165 intent.setPackage(targetPkg); 13166 } 13167 // Modify the UID when posting to other users 13168 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 13169 if (uid > 0 && UserHandle.getUserId(uid) != id) { 13170 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 13171 intent.putExtra(Intent.EXTRA_UID, uid); 13172 } 13173 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 13174 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 13175 if (DEBUG_BROADCASTS) { 13176 RuntimeException here = new RuntimeException("here"); 13177 here.fillInStackTrace(); 13178 Slog.d(TAG, "Sending to user " + id + ": " 13179 + intent.toShortString(false, true, false, false) 13180 + " " + intent.getExtras(), here); 13181 } 13182 am.broadcastIntent(null, intent, null, finishedReceiver, 13183 0, null, null, requiredPermissions, android.app.AppOpsManager.OP_NONE, 13184 null, finishedReceiver != null, false, id); 13185 } 13186 } 13187 13188 /** 13189 * Check if the external storage media is available. This is true if there 13190 * is a mounted external storage medium or if the external storage is 13191 * emulated. 13192 */ 13193 private boolean isExternalMediaAvailable() { 13194 return mMediaMounted || Environment.isExternalStorageEmulated(); 13195 } 13196 13197 @Override 13198 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 13199 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 13200 return null; 13201 } 13202 if (!isExternalMediaAvailable()) { 13203 // If the external storage is no longer mounted at this point, 13204 // the caller may not have been able to delete all of this 13205 // packages files and can not delete any more. Bail. 13206 return null; 13207 } 13208 synchronized (mPackages) { 13209 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 13210 if (lastPackage != null) { 13211 pkgs.remove(lastPackage); 13212 } 13213 if (pkgs.size() > 0) { 13214 return pkgs.get(0); 13215 } 13216 } 13217 return null; 13218 } 13219 13220 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 13221 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 13222 userId, andCode ? 1 : 0, packageName); 13223 if (mSystemReady) { 13224 msg.sendToTarget(); 13225 } else { 13226 if (mPostSystemReadyMessages == null) { 13227 mPostSystemReadyMessages = new ArrayList<>(); 13228 } 13229 mPostSystemReadyMessages.add(msg); 13230 } 13231 } 13232 13233 void startCleaningPackages() { 13234 // reader 13235 if (!isExternalMediaAvailable()) { 13236 return; 13237 } 13238 synchronized (mPackages) { 13239 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 13240 return; 13241 } 13242 } 13243 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 13244 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 13245 IActivityManager am = ActivityManager.getService(); 13246 if (am != null) { 13247 int dcsUid = -1; 13248 synchronized (mPackages) { 13249 if (!mDefaultContainerWhitelisted) { 13250 mDefaultContainerWhitelisted = true; 13251 PackageSetting ps = mSettings.mPackages.get(DEFAULT_CONTAINER_PACKAGE); 13252 dcsUid = UserHandle.getUid(UserHandle.USER_SYSTEM, ps.appId); 13253 } 13254 } 13255 try { 13256 if (dcsUid > 0) { 13257 am.backgroundWhitelistUid(dcsUid); 13258 } 13259 am.startService(null, intent, null, false, mContext.getOpPackageName(), 13260 UserHandle.USER_SYSTEM); 13261 } catch (RemoteException e) { 13262 } 13263 } 13264 } 13265 13266 /** 13267 * Ensure that the install reason matches what we know about the package installer (e.g. whether 13268 * it is acting on behalf on an enterprise or the user). 13269 * 13270 * Note that the ordering of the conditionals in this method is important. The checks we perform 13271 * are as follows, in this order: 13272 * 13273 * 1) If the install is being performed by a system app, we can trust the app to have set the 13274 * install reason correctly. Thus, we pass through the install reason unchanged, no matter 13275 * what it is. 13276 * 2) If the install is being performed by a device or profile owner app, the install reason 13277 * should be enterprise policy. However, we cannot be sure that the device or profile owner 13278 * set the install reason correctly. If the app targets an older SDK version where install 13279 * reasons did not exist yet, or if the app author simply forgot, the install reason may be 13280 * unset or wrong. Thus, we force the install reason to be enterprise policy. 13281 * 3) In all other cases, the install is being performed by a regular app that is neither part 13282 * of the system nor a device or profile owner. We have no reason to believe that this app is 13283 * acting on behalf of the enterprise admin. Thus, we check whether the install reason was 13284 * set to enterprise policy and if so, change it to unknown instead. 13285 */ 13286 private int fixUpInstallReason(String installerPackageName, int installerUid, 13287 int installReason) { 13288 if (checkUidPermission(android.Manifest.permission.INSTALL_PACKAGES, installerUid) 13289 == PERMISSION_GRANTED) { 13290 // If the install is being performed by a system app, we trust that app to have set the 13291 // install reason correctly. 13292 return installReason; 13293 } 13294 13295 final IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 13296 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 13297 if (dpm != null) { 13298 ComponentName owner = null; 13299 try { 13300 owner = dpm.getDeviceOwnerComponent(true /* callingUserOnly */); 13301 if (owner == null) { 13302 owner = dpm.getProfileOwner(UserHandle.getUserId(installerUid)); 13303 } 13304 } catch (RemoteException e) { 13305 } 13306 if (owner != null && owner.getPackageName().equals(installerPackageName)) { 13307 // If the install is being performed by a device or profile owner, the install 13308 // reason should be enterprise policy. 13309 return PackageManager.INSTALL_REASON_POLICY; 13310 } 13311 } 13312 13313 if (installReason == PackageManager.INSTALL_REASON_POLICY) { 13314 // If the install is being performed by a regular app (i.e. neither system app nor 13315 // device or profile owner), we have no reason to believe that the app is acting on 13316 // behalf of an enterprise. If the app set the install reason to enterprise policy, 13317 // change it to unknown instead. 13318 return PackageManager.INSTALL_REASON_UNKNOWN; 13319 } 13320 13321 // If the install is being performed by a regular app and the install reason was set to any 13322 // value but enterprise policy, leave the install reason unchanged. 13323 return installReason; 13324 } 13325 13326 void installStage(String packageName, File stagedDir, 13327 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 13328 String installerPackageName, int installerUid, UserHandle user, 13329 PackageParser.SigningDetails signingDetails) { 13330 if (DEBUG_EPHEMERAL) { 13331 if ((sessionParams.installFlags & PackageManager.INSTALL_INSTANT_APP) != 0) { 13332 Slog.d(TAG, "Ephemeral install of " + packageName); 13333 } 13334 } 13335 final VerificationInfo verificationInfo = new VerificationInfo( 13336 sessionParams.originatingUri, sessionParams.referrerUri, 13337 sessionParams.originatingUid, installerUid); 13338 13339 final OriginInfo origin = OriginInfo.fromStagedFile(stagedDir); 13340 13341 final Message msg = mHandler.obtainMessage(INIT_COPY); 13342 final int installReason = fixUpInstallReason(installerPackageName, installerUid, 13343 sessionParams.installReason); 13344 final InstallParams params = new InstallParams(origin, null, observer, 13345 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 13346 verificationInfo, user, sessionParams.abiOverride, 13347 sessionParams.grantedRuntimePermissions, signingDetails, installReason); 13348 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 13349 msg.obj = params; 13350 13351 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 13352 System.identityHashCode(msg.obj)); 13353 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 13354 System.identityHashCode(msg.obj)); 13355 13356 mHandler.sendMessage(msg); 13357 } 13358 13359 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 13360 int userId) { 13361 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 13362 final boolean isInstantApp = pkgSetting.getInstantApp(userId); 13363 final int[] userIds = isInstantApp ? EMPTY_INT_ARRAY : new int[] { userId }; 13364 final int[] instantUserIds = isInstantApp ? new int[] { userId } : EMPTY_INT_ARRAY; 13365 sendPackageAddedForNewUsers(packageName, isSystem /*sendBootCompleted*/, 13366 false /*startReceiver*/, pkgSetting.appId, userIds, instantUserIds); 13367 13368 // Send a session commit broadcast 13369 final PackageInstaller.SessionInfo info = new PackageInstaller.SessionInfo(); 13370 info.installReason = pkgSetting.getInstallReason(userId); 13371 info.appPackageName = packageName; 13372 sendSessionCommitBroadcast(info, userId); 13373 } 13374 13375 @Override 13376 public void sendPackageAddedForNewUsers(String packageName, boolean sendBootCompleted, 13377 boolean includeStopped, int appId, int[] userIds, int[] instantUserIds) { 13378 if (ArrayUtils.isEmpty(userIds) && ArrayUtils.isEmpty(instantUserIds)) { 13379 return; 13380 } 13381 Bundle extras = new Bundle(1); 13382 // Set to UID of the first user, EXTRA_UID is automatically updated in sendPackageBroadcast 13383 final int uid = UserHandle.getUid( 13384 (ArrayUtils.isEmpty(userIds) ? instantUserIds[0] : userIds[0]), appId); 13385 extras.putInt(Intent.EXTRA_UID, uid); 13386 13387 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 13388 packageName, extras, 0, null, null, userIds, instantUserIds); 13389 if (sendBootCompleted && !ArrayUtils.isEmpty(userIds)) { 13390 mHandler.post(() -> { 13391 for (int userId : userIds) { 13392 sendBootCompletedBroadcastToSystemApp( 13393 packageName, includeStopped, userId); 13394 } 13395 } 13396 ); 13397 } 13398 } 13399 13400 /** 13401 * The just-installed/enabled app is bundled on the system, so presumed to be able to run 13402 * automatically without needing an explicit launch. 13403 * Send it a LOCKED_BOOT_COMPLETED/BOOT_COMPLETED if it would ordinarily have gotten ones. 13404 */ 13405 private void sendBootCompletedBroadcastToSystemApp(String packageName, boolean includeStopped, 13406 int userId) { 13407 // If user is not running, the app didn't miss any broadcast 13408 if (!mUserManagerInternal.isUserRunning(userId)) { 13409 return; 13410 } 13411 final IActivityManager am = ActivityManager.getService(); 13412 try { 13413 // Deliver LOCKED_BOOT_COMPLETED first 13414 Intent lockedBcIntent = new Intent(Intent.ACTION_LOCKED_BOOT_COMPLETED) 13415 .setPackage(packageName); 13416 if (includeStopped) { 13417 lockedBcIntent.addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES); 13418 } 13419 final String[] requiredPermissions = {Manifest.permission.RECEIVE_BOOT_COMPLETED}; 13420 am.broadcastIntent(null, lockedBcIntent, null, null, 0, null, null, requiredPermissions, 13421 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 13422 13423 // Deliver BOOT_COMPLETED only if user is unlocked 13424 if (mUserManagerInternal.isUserUnlockingOrUnlocked(userId)) { 13425 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED).setPackage(packageName); 13426 if (includeStopped) { 13427 bcIntent.addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES); 13428 } 13429 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, requiredPermissions, 13430 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 13431 } 13432 } catch (RemoteException e) { 13433 throw e.rethrowFromSystemServer(); 13434 } 13435 } 13436 13437 @Override 13438 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 13439 int userId) { 13440 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13441 PackageSetting pkgSetting; 13442 final int callingUid = Binder.getCallingUid(); 13443 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 13444 true /* requireFullPermission */, true /* checkShell */, 13445 "setApplicationHiddenSetting for user " + userId); 13446 13447 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 13448 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 13449 return false; 13450 } 13451 13452 long callingId = Binder.clearCallingIdentity(); 13453 try { 13454 boolean sendAdded = false; 13455 boolean sendRemoved = false; 13456 // writer 13457 synchronized (mPackages) { 13458 pkgSetting = mSettings.mPackages.get(packageName); 13459 if (pkgSetting == null) { 13460 return false; 13461 } 13462 if (filterAppAccessLPr(pkgSetting, callingUid, userId)) { 13463 return false; 13464 } 13465 // Do not allow "android" is being disabled 13466 if ("android".equals(packageName)) { 13467 Slog.w(TAG, "Cannot hide package: android"); 13468 return false; 13469 } 13470 // Cannot hide static shared libs as they are considered 13471 // a part of the using app (emulating static linking). Also 13472 // static libs are installed always on internal storage. 13473 PackageParser.Package pkg = mPackages.get(packageName); 13474 if (pkg != null && pkg.staticSharedLibName != null) { 13475 Slog.w(TAG, "Cannot hide package: " + packageName 13476 + " providing static shared library: " 13477 + pkg.staticSharedLibName); 13478 return false; 13479 } 13480 // Only allow protected packages to hide themselves. 13481 if (hidden && !UserHandle.isSameApp(callingUid, pkgSetting.appId) 13482 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 13483 Slog.w(TAG, "Not hiding protected package: " + packageName); 13484 return false; 13485 } 13486 13487 if (pkgSetting.getHidden(userId) != hidden) { 13488 pkgSetting.setHidden(hidden, userId); 13489 mSettings.writePackageRestrictionsLPr(userId); 13490 if (hidden) { 13491 sendRemoved = true; 13492 } else { 13493 sendAdded = true; 13494 } 13495 } 13496 } 13497 if (sendAdded) { 13498 sendPackageAddedForUser(packageName, pkgSetting, userId); 13499 return true; 13500 } 13501 if (sendRemoved) { 13502 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 13503 "hiding pkg"); 13504 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 13505 return true; 13506 } 13507 } finally { 13508 Binder.restoreCallingIdentity(callingId); 13509 } 13510 return false; 13511 } 13512 13513 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 13514 int userId) { 13515 final PackageRemovedInfo info = new PackageRemovedInfo(this); 13516 info.removedPackage = packageName; 13517 info.installerPackageName = pkgSetting.installerPackageName; 13518 info.removedUsers = new int[] {userId}; 13519 info.broadcastUsers = new int[] {userId}; 13520 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 13521 info.sendPackageRemovedBroadcasts(true /*killApp*/); 13522 } 13523 13524 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 13525 if (pkgList.length > 0) { 13526 Bundle extras = new Bundle(1); 13527 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 13528 13529 sendPackageBroadcast( 13530 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 13531 : Intent.ACTION_PACKAGES_UNSUSPENDED, 13532 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 13533 new int[] {userId}, null); 13534 } 13535 } 13536 13537 /** 13538 * Returns true if application is not found or there was an error. Otherwise it returns 13539 * the hidden state of the package for the given user. 13540 */ 13541 @Override 13542 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 13543 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13544 final int callingUid = Binder.getCallingUid(); 13545 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 13546 true /* requireFullPermission */, false /* checkShell */, 13547 "getApplicationHidden for user " + userId); 13548 PackageSetting ps; 13549 long callingId = Binder.clearCallingIdentity(); 13550 try { 13551 // writer 13552 synchronized (mPackages) { 13553 ps = mSettings.mPackages.get(packageName); 13554 if (ps == null) { 13555 return true; 13556 } 13557 if (filterAppAccessLPr(ps, callingUid, userId)) { 13558 return true; 13559 } 13560 return ps.getHidden(userId); 13561 } 13562 } finally { 13563 Binder.restoreCallingIdentity(callingId); 13564 } 13565 } 13566 13567 /** 13568 * @hide 13569 */ 13570 @Override 13571 public int installExistingPackageAsUser(String packageName, int userId, int installFlags, 13572 int installReason) { 13573 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 13574 null); 13575 PackageSetting pkgSetting; 13576 final int callingUid = Binder.getCallingUid(); 13577 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 13578 true /* requireFullPermission */, true /* checkShell */, 13579 "installExistingPackage for user " + userId); 13580 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 13581 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 13582 } 13583 13584 long callingId = Binder.clearCallingIdentity(); 13585 try { 13586 boolean installed = false; 13587 final boolean instantApp = 13588 (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 13589 final boolean fullApp = 13590 (installFlags & PackageManager.INSTALL_FULL_APP) != 0; 13591 13592 // writer 13593 synchronized (mPackages) { 13594 pkgSetting = mSettings.mPackages.get(packageName); 13595 if (pkgSetting == null) { 13596 return PackageManager.INSTALL_FAILED_INVALID_URI; 13597 } 13598 if (!canViewInstantApps(callingUid, UserHandle.getUserId(callingUid))) { 13599 // only allow the existing package to be used if it's installed as a full 13600 // application for at least one user 13601 boolean installAllowed = false; 13602 for (int checkUserId : sUserManager.getUserIds()) { 13603 installAllowed = !pkgSetting.getInstantApp(checkUserId); 13604 if (installAllowed) { 13605 break; 13606 } 13607 } 13608 if (!installAllowed) { 13609 return PackageManager.INSTALL_FAILED_INVALID_URI; 13610 } 13611 } 13612 if (!pkgSetting.getInstalled(userId)) { 13613 pkgSetting.setInstalled(true, userId); 13614 pkgSetting.setHidden(false, userId); 13615 pkgSetting.setInstallReason(installReason, userId); 13616 mSettings.writePackageRestrictionsLPr(userId); 13617 mSettings.writeKernelMappingLPr(pkgSetting); 13618 installed = true; 13619 } else if (fullApp && pkgSetting.getInstantApp(userId)) { 13620 // upgrade app from instant to full; we don't allow app downgrade 13621 installed = true; 13622 } 13623 setInstantAppForUser(pkgSetting, userId, instantApp, fullApp); 13624 } 13625 13626 if (installed) { 13627 if (pkgSetting.pkg != null) { 13628 synchronized (mInstallLock) { 13629 // We don't need to freeze for a brand new install 13630 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 13631 } 13632 } 13633 sendPackageAddedForUser(packageName, pkgSetting, userId); 13634 synchronized (mPackages) { 13635 updateSequenceNumberLP(pkgSetting, new int[]{ userId }); 13636 } 13637 } 13638 } finally { 13639 Binder.restoreCallingIdentity(callingId); 13640 } 13641 13642 return PackageManager.INSTALL_SUCCEEDED; 13643 } 13644 13645 void setInstantAppForUser(PackageSetting pkgSetting, int userId, 13646 boolean instantApp, boolean fullApp) { 13647 // no state specified; do nothing 13648 if (!instantApp && !fullApp) { 13649 return; 13650 } 13651 if (userId != UserHandle.USER_ALL) { 13652 if (instantApp && !pkgSetting.getInstantApp(userId)) { 13653 pkgSetting.setInstantApp(true /*instantApp*/, userId); 13654 } else if (fullApp && pkgSetting.getInstantApp(userId)) { 13655 pkgSetting.setInstantApp(false /*instantApp*/, userId); 13656 } 13657 } else { 13658 for (int currentUserId : sUserManager.getUserIds()) { 13659 if (instantApp && !pkgSetting.getInstantApp(currentUserId)) { 13660 pkgSetting.setInstantApp(true /*instantApp*/, currentUserId); 13661 } else if (fullApp && pkgSetting.getInstantApp(currentUserId)) { 13662 pkgSetting.setInstantApp(false /*instantApp*/, currentUserId); 13663 } 13664 } 13665 } 13666 } 13667 13668 boolean isUserRestricted(int userId, String restrictionKey) { 13669 Bundle restrictions = sUserManager.getUserRestrictions(userId); 13670 if (restrictions.getBoolean(restrictionKey, false)) { 13671 Log.w(TAG, "User is restricted: " + restrictionKey); 13672 return true; 13673 } 13674 return false; 13675 } 13676 13677 @Override 13678 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 13679 int userId) { 13680 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13681 final int callingUid = Binder.getCallingUid(); 13682 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 13683 true /* requireFullPermission */, true /* checkShell */, 13684 "setPackagesSuspended for user " + userId); 13685 13686 if (ArrayUtils.isEmpty(packageNames)) { 13687 return packageNames; 13688 } 13689 13690 // List of package names for whom the suspended state has changed. 13691 List<String> changedPackages = new ArrayList<>(packageNames.length); 13692 // List of package names for whom the suspended state is not set as requested in this 13693 // method. 13694 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 13695 long callingId = Binder.clearCallingIdentity(); 13696 try { 13697 for (int i = 0; i < packageNames.length; i++) { 13698 String packageName = packageNames[i]; 13699 boolean changed = false; 13700 final int appId; 13701 synchronized (mPackages) { 13702 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 13703 if (pkgSetting == null 13704 || filterAppAccessLPr(pkgSetting, callingUid, userId)) { 13705 Slog.w(TAG, "Could not find package setting for package \"" + packageName 13706 + "\". Skipping suspending/un-suspending."); 13707 unactionedPackages.add(packageName); 13708 continue; 13709 } 13710 appId = pkgSetting.appId; 13711 if (pkgSetting.getSuspended(userId) != suspended) { 13712 if (!canSuspendPackageForUserLocked(packageName, userId)) { 13713 unactionedPackages.add(packageName); 13714 continue; 13715 } 13716 pkgSetting.setSuspended(suspended, userId); 13717 mSettings.writePackageRestrictionsLPr(userId); 13718 changed = true; 13719 changedPackages.add(packageName); 13720 } 13721 } 13722 13723 if (changed && suspended) { 13724 killApplication(packageName, UserHandle.getUid(userId, appId), 13725 "suspending package"); 13726 } 13727 } 13728 } finally { 13729 Binder.restoreCallingIdentity(callingId); 13730 } 13731 13732 if (!changedPackages.isEmpty()) { 13733 sendPackagesSuspendedForUser(changedPackages.toArray( 13734 new String[changedPackages.size()]), userId, suspended); 13735 } 13736 13737 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 13738 } 13739 13740 @Override 13741 public boolean isPackageSuspendedForUser(String packageName, int userId) { 13742 final int callingUid = Binder.getCallingUid(); 13743 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 13744 true /* requireFullPermission */, false /* checkShell */, 13745 "isPackageSuspendedForUser for user " + userId); 13746 synchronized (mPackages) { 13747 final PackageSetting ps = mSettings.mPackages.get(packageName); 13748 if (ps == null || filterAppAccessLPr(ps, callingUid, userId)) { 13749 throw new IllegalArgumentException("Unknown target package: " + packageName); 13750 } 13751 return ps.getSuspended(userId); 13752 } 13753 } 13754 13755 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 13756 if (isPackageDeviceAdmin(packageName, userId)) { 13757 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13758 + "\": has an active device admin"); 13759 return false; 13760 } 13761 13762 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 13763 if (packageName.equals(activeLauncherPackageName)) { 13764 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13765 + "\": contains the active launcher"); 13766 return false; 13767 } 13768 13769 if (packageName.equals(mRequiredInstallerPackage)) { 13770 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13771 + "\": required for package installation"); 13772 return false; 13773 } 13774 13775 if (packageName.equals(mRequiredUninstallerPackage)) { 13776 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13777 + "\": required for package uninstallation"); 13778 return false; 13779 } 13780 13781 if (packageName.equals(mRequiredVerifierPackage)) { 13782 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13783 + "\": required for package verification"); 13784 return false; 13785 } 13786 13787 if (packageName.equals(getDefaultDialerPackageName(userId))) { 13788 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13789 + "\": is the default dialer"); 13790 return false; 13791 } 13792 13793 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 13794 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13795 + "\": protected package"); 13796 return false; 13797 } 13798 13799 // Cannot suspend static shared libs as they are considered 13800 // a part of the using app (emulating static linking). Also 13801 // static libs are installed always on internal storage. 13802 PackageParser.Package pkg = mPackages.get(packageName); 13803 if (pkg != null && pkg.applicationInfo.isStaticSharedLibrary()) { 13804 Slog.w(TAG, "Cannot suspend package: " + packageName 13805 + " providing static shared library: " 13806 + pkg.staticSharedLibName); 13807 return false; 13808 } 13809 13810 return true; 13811 } 13812 13813 private String getActiveLauncherPackageName(int userId) { 13814 Intent intent = new Intent(Intent.ACTION_MAIN); 13815 intent.addCategory(Intent.CATEGORY_HOME); 13816 ResolveInfo resolveInfo = resolveIntent( 13817 intent, 13818 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 13819 PackageManager.MATCH_DEFAULT_ONLY, 13820 userId); 13821 13822 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 13823 } 13824 13825 private String getDefaultDialerPackageName(int userId) { 13826 synchronized (mPackages) { 13827 return mSettings.getDefaultDialerPackageNameLPw(userId); 13828 } 13829 } 13830 13831 @Override 13832 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 13833 mContext.enforceCallingOrSelfPermission( 13834 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13835 "Only package verification agents can verify applications"); 13836 13837 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 13838 final PackageVerificationResponse response = new PackageVerificationResponse( 13839 verificationCode, Binder.getCallingUid()); 13840 msg.arg1 = id; 13841 msg.obj = response; 13842 mHandler.sendMessage(msg); 13843 } 13844 13845 @Override 13846 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 13847 long millisecondsToDelay) { 13848 mContext.enforceCallingOrSelfPermission( 13849 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13850 "Only package verification agents can extend verification timeouts"); 13851 13852 final PackageVerificationState state = mPendingVerification.get(id); 13853 final PackageVerificationResponse response = new PackageVerificationResponse( 13854 verificationCodeAtTimeout, Binder.getCallingUid()); 13855 13856 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 13857 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 13858 } 13859 if (millisecondsToDelay < 0) { 13860 millisecondsToDelay = 0; 13861 } 13862 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 13863 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 13864 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 13865 } 13866 13867 if ((state != null) && !state.timeoutExtended()) { 13868 state.extendTimeout(); 13869 13870 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 13871 msg.arg1 = id; 13872 msg.obj = response; 13873 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 13874 } 13875 } 13876 13877 private void broadcastPackageVerified(int verificationId, Uri packageUri, 13878 int verificationCode, UserHandle user) { 13879 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 13880 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 13881 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 13882 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 13883 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 13884 13885 mContext.sendBroadcastAsUser(intent, user, 13886 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 13887 } 13888 13889 private ComponentName matchComponentForVerifier(String packageName, 13890 List<ResolveInfo> receivers) { 13891 ActivityInfo targetReceiver = null; 13892 13893 final int NR = receivers.size(); 13894 for (int i = 0; i < NR; i++) { 13895 final ResolveInfo info = receivers.get(i); 13896 if (info.activityInfo == null) { 13897 continue; 13898 } 13899 13900 if (packageName.equals(info.activityInfo.packageName)) { 13901 targetReceiver = info.activityInfo; 13902 break; 13903 } 13904 } 13905 13906 if (targetReceiver == null) { 13907 return null; 13908 } 13909 13910 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 13911 } 13912 13913 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 13914 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 13915 if (pkgInfo.verifiers.length == 0) { 13916 return null; 13917 } 13918 13919 final int N = pkgInfo.verifiers.length; 13920 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 13921 for (int i = 0; i < N; i++) { 13922 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 13923 13924 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 13925 receivers); 13926 if (comp == null) { 13927 continue; 13928 } 13929 13930 final int verifierUid = getUidForVerifier(verifierInfo); 13931 if (verifierUid == -1) { 13932 continue; 13933 } 13934 13935 if (DEBUG_VERIFY) { 13936 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 13937 + " with the correct signature"); 13938 } 13939 sufficientVerifiers.add(comp); 13940 verificationState.addSufficientVerifier(verifierUid); 13941 } 13942 13943 return sufficientVerifiers; 13944 } 13945 13946 private int getUidForVerifier(VerifierInfo verifierInfo) { 13947 synchronized (mPackages) { 13948 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 13949 if (pkg == null) { 13950 return -1; 13951 } else if (pkg.mSigningDetails.signatures.length != 1) { 13952 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 13953 + " has more than one signature; ignoring"); 13954 return -1; 13955 } 13956 13957 /* 13958 * If the public key of the package's signature does not match 13959 * our expected public key, then this is a different package and 13960 * we should skip. 13961 */ 13962 13963 final byte[] expectedPublicKey; 13964 try { 13965 final Signature verifierSig = pkg.mSigningDetails.signatures[0]; 13966 final PublicKey publicKey = verifierSig.getPublicKey(); 13967 expectedPublicKey = publicKey.getEncoded(); 13968 } catch (CertificateException e) { 13969 return -1; 13970 } 13971 13972 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 13973 13974 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 13975 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 13976 + " does not have the expected public key; ignoring"); 13977 return -1; 13978 } 13979 13980 return pkg.applicationInfo.uid; 13981 } 13982 } 13983 13984 @Override 13985 public void finishPackageInstall(int token, boolean didLaunch) { 13986 enforceSystemOrRoot("Only the system is allowed to finish installs"); 13987 13988 if (DEBUG_INSTALL) { 13989 Slog.v(TAG, "BM finishing package install for " + token); 13990 } 13991 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 13992 13993 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 13994 mHandler.sendMessage(msg); 13995 } 13996 13997 /** 13998 * Get the verification agent timeout. Used for both the APK verifier and the 13999 * intent filter verifier. 14000 * 14001 * @return verification timeout in milliseconds 14002 */ 14003 private long getVerificationTimeout() { 14004 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 14005 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 14006 DEFAULT_VERIFICATION_TIMEOUT); 14007 } 14008 14009 /** 14010 * Get the default verification agent response code. 14011 * 14012 * @return default verification response code 14013 */ 14014 private int getDefaultVerificationResponse(UserHandle user) { 14015 if (sUserManager.hasUserRestriction(UserManager.ENSURE_VERIFY_APPS, user.getIdentifier())) { 14016 return PackageManager.VERIFICATION_REJECT; 14017 } 14018 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 14019 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 14020 DEFAULT_VERIFICATION_RESPONSE); 14021 } 14022 14023 /** 14024 * Check whether or not package verification has been enabled. 14025 * 14026 * @return true if verification should be performed 14027 */ 14028 private boolean isVerificationEnabled(int userId, int installFlags, int installerUid) { 14029 if (!DEFAULT_VERIFY_ENABLE) { 14030 return false; 14031 } 14032 14033 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 14034 14035 // Check if installing from ADB 14036 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 14037 // Do not run verification in a test harness environment 14038 if (ActivityManager.isRunningInTestHarness()) { 14039 return false; 14040 } 14041 if (ensureVerifyAppsEnabled) { 14042 return true; 14043 } 14044 // Check if the developer does not want package verification for ADB installs 14045 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 14046 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 14047 return false; 14048 } 14049 } else { 14050 // only when not installed from ADB, skip verification for instant apps when 14051 // the installer and verifier are the same. 14052 if ((installFlags & PackageManager.INSTALL_INSTANT_APP) != 0) { 14053 if (mInstantAppInstallerActivity != null 14054 && mInstantAppInstallerActivity.packageName.equals( 14055 mRequiredVerifierPackage)) { 14056 try { 14057 mContext.getSystemService(AppOpsManager.class) 14058 .checkPackage(installerUid, mRequiredVerifierPackage); 14059 if (DEBUG_VERIFY) { 14060 Slog.i(TAG, "disable verification for instant app"); 14061 } 14062 return false; 14063 } catch (SecurityException ignore) { } 14064 } 14065 } 14066 } 14067 14068 if (ensureVerifyAppsEnabled) { 14069 return true; 14070 } 14071 14072 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 14073 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 14074 } 14075 14076 @Override 14077 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 14078 throws RemoteException { 14079 mContext.enforceCallingOrSelfPermission( 14080 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 14081 "Only intentfilter verification agents can verify applications"); 14082 14083 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 14084 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 14085 Binder.getCallingUid(), verificationCode, failedDomains); 14086 msg.arg1 = id; 14087 msg.obj = response; 14088 mHandler.sendMessage(msg); 14089 } 14090 14091 @Override 14092 public int getIntentVerificationStatus(String packageName, int userId) { 14093 final int callingUid = Binder.getCallingUid(); 14094 if (UserHandle.getUserId(callingUid) != userId) { 14095 mContext.enforceCallingOrSelfPermission( 14096 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 14097 "getIntentVerificationStatus" + userId); 14098 } 14099 if (getInstantAppPackageName(callingUid) != null) { 14100 return INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 14101 } 14102 synchronized (mPackages) { 14103 final PackageSetting ps = mSettings.mPackages.get(packageName); 14104 if (ps == null 14105 || filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 14106 return INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 14107 } 14108 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 14109 } 14110 } 14111 14112 @Override 14113 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 14114 mContext.enforceCallingOrSelfPermission( 14115 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14116 14117 boolean result = false; 14118 synchronized (mPackages) { 14119 final PackageSetting ps = mSettings.mPackages.get(packageName); 14120 if (filterAppAccessLPr(ps, Binder.getCallingUid(), UserHandle.getCallingUserId())) { 14121 return false; 14122 } 14123 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 14124 } 14125 if (result) { 14126 scheduleWritePackageRestrictionsLocked(userId); 14127 } 14128 return result; 14129 } 14130 14131 @Override 14132 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 14133 String packageName) { 14134 final int callingUid = Binder.getCallingUid(); 14135 if (getInstantAppPackageName(callingUid) != null) { 14136 return ParceledListSlice.emptyList(); 14137 } 14138 synchronized (mPackages) { 14139 final PackageSetting ps = mSettings.mPackages.get(packageName); 14140 if (filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 14141 return ParceledListSlice.emptyList(); 14142 } 14143 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 14144 } 14145 } 14146 14147 @Override 14148 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 14149 if (TextUtils.isEmpty(packageName)) { 14150 return ParceledListSlice.emptyList(); 14151 } 14152 final int callingUid = Binder.getCallingUid(); 14153 final int callingUserId = UserHandle.getUserId(callingUid); 14154 synchronized (mPackages) { 14155 PackageParser.Package pkg = mPackages.get(packageName); 14156 if (pkg == null || pkg.activities == null) { 14157 return ParceledListSlice.emptyList(); 14158 } 14159 if (pkg.mExtras == null) { 14160 return ParceledListSlice.emptyList(); 14161 } 14162 final PackageSetting ps = (PackageSetting) pkg.mExtras; 14163 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 14164 return ParceledListSlice.emptyList(); 14165 } 14166 final int count = pkg.activities.size(); 14167 ArrayList<IntentFilter> result = new ArrayList<>(); 14168 for (int n=0; n<count; n++) { 14169 PackageParser.Activity activity = pkg.activities.get(n); 14170 if (activity.intents != null && activity.intents.size() > 0) { 14171 result.addAll(activity.intents); 14172 } 14173 } 14174 return new ParceledListSlice<>(result); 14175 } 14176 } 14177 14178 @Override 14179 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 14180 mContext.enforceCallingOrSelfPermission( 14181 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14182 if (UserHandle.getCallingUserId() != userId) { 14183 mContext.enforceCallingOrSelfPermission( 14184 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 14185 } 14186 14187 synchronized (mPackages) { 14188 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 14189 if (packageName != null) { 14190 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowser( 14191 packageName, userId); 14192 } 14193 return result; 14194 } 14195 } 14196 14197 @Override 14198 public String getDefaultBrowserPackageName(int userId) { 14199 if (UserHandle.getCallingUserId() != userId) { 14200 mContext.enforceCallingOrSelfPermission( 14201 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 14202 } 14203 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 14204 return null; 14205 } 14206 synchronized (mPackages) { 14207 return mSettings.getDefaultBrowserPackageNameLPw(userId); 14208 } 14209 } 14210 14211 /** 14212 * Get the "allow unknown sources" setting. 14213 * 14214 * @return the current "allow unknown sources" setting 14215 */ 14216 private int getUnknownSourcesSettings() { 14217 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 14218 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 14219 -1); 14220 } 14221 14222 @Override 14223 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 14224 final int callingUid = Binder.getCallingUid(); 14225 if (getInstantAppPackageName(callingUid) != null) { 14226 return; 14227 } 14228 // writer 14229 synchronized (mPackages) { 14230 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 14231 if (targetPackageSetting == null 14232 || filterAppAccessLPr( 14233 targetPackageSetting, callingUid, UserHandle.getUserId(callingUid))) { 14234 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 14235 } 14236 14237 PackageSetting installerPackageSetting; 14238 if (installerPackageName != null) { 14239 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 14240 if (installerPackageSetting == null) { 14241 throw new IllegalArgumentException("Unknown installer package: " 14242 + installerPackageName); 14243 } 14244 } else { 14245 installerPackageSetting = null; 14246 } 14247 14248 Signature[] callerSignature; 14249 Object obj = mSettings.getUserIdLPr(callingUid); 14250 if (obj != null) { 14251 if (obj instanceof SharedUserSetting) { 14252 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 14253 } else if (obj instanceof PackageSetting) { 14254 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 14255 } else { 14256 throw new SecurityException("Bad object " + obj + " for uid " + callingUid); 14257 } 14258 } else { 14259 throw new SecurityException("Unknown calling UID: " + callingUid); 14260 } 14261 14262 // Verify: can't set installerPackageName to a package that is 14263 // not signed with the same cert as the caller. 14264 if (installerPackageSetting != null) { 14265 if (compareSignatures(callerSignature, 14266 installerPackageSetting.signatures.mSignatures) 14267 != PackageManager.SIGNATURE_MATCH) { 14268 throw new SecurityException( 14269 "Caller does not have same cert as new installer package " 14270 + installerPackageName); 14271 } 14272 } 14273 14274 // Verify: if target already has an installer package, it must 14275 // be signed with the same cert as the caller. 14276 if (targetPackageSetting.installerPackageName != null) { 14277 PackageSetting setting = mSettings.mPackages.get( 14278 targetPackageSetting.installerPackageName); 14279 // If the currently set package isn't valid, then it's always 14280 // okay to change it. 14281 if (setting != null) { 14282 if (compareSignatures(callerSignature, 14283 setting.signatures.mSignatures) 14284 != PackageManager.SIGNATURE_MATCH) { 14285 throw new SecurityException( 14286 "Caller does not have same cert as old installer package " 14287 + targetPackageSetting.installerPackageName); 14288 } 14289 } 14290 } 14291 14292 // Okay! 14293 targetPackageSetting.installerPackageName = installerPackageName; 14294 if (installerPackageName != null) { 14295 mSettings.mInstallerPackages.add(installerPackageName); 14296 } 14297 scheduleWriteSettingsLocked(); 14298 } 14299 } 14300 14301 @Override 14302 public void setApplicationCategoryHint(String packageName, int categoryHint, 14303 String callerPackageName) { 14304 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 14305 throw new SecurityException("Instant applications don't have access to this method"); 14306 } 14307 mContext.getSystemService(AppOpsManager.class).checkPackage(Binder.getCallingUid(), 14308 callerPackageName); 14309 synchronized (mPackages) { 14310 PackageSetting ps = mSettings.mPackages.get(packageName); 14311 if (ps == null) { 14312 throw new IllegalArgumentException("Unknown target package " + packageName); 14313 } 14314 if (filterAppAccessLPr(ps, Binder.getCallingUid(), UserHandle.getCallingUserId())) { 14315 throw new IllegalArgumentException("Unknown target package " + packageName); 14316 } 14317 if (!Objects.equals(callerPackageName, ps.installerPackageName)) { 14318 throw new IllegalArgumentException("Calling package " + callerPackageName 14319 + " is not installer for " + packageName); 14320 } 14321 14322 if (ps.categoryHint != categoryHint) { 14323 ps.categoryHint = categoryHint; 14324 scheduleWriteSettingsLocked(); 14325 } 14326 } 14327 } 14328 14329 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 14330 // Queue up an async operation since the package installation may take a little while. 14331 mHandler.post(new Runnable() { 14332 public void run() { 14333 mHandler.removeCallbacks(this); 14334 // Result object to be returned 14335 PackageInstalledInfo res = new PackageInstalledInfo(); 14336 res.setReturnCode(currentStatus); 14337 res.uid = -1; 14338 res.pkg = null; 14339 res.removedInfo = null; 14340 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14341 args.doPreInstall(res.returnCode); 14342 synchronized (mInstallLock) { 14343 installPackageTracedLI(args, res); 14344 } 14345 args.doPostInstall(res.returnCode, res.uid); 14346 } 14347 14348 // A restore should be performed at this point if (a) the install 14349 // succeeded, (b) the operation is not an update, and (c) the new 14350 // package has not opted out of backup participation. 14351 final boolean update = res.removedInfo != null 14352 && res.removedInfo.removedPackage != null; 14353 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 14354 boolean doRestore = !update 14355 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 14356 14357 // Set up the post-install work request bookkeeping. This will be used 14358 // and cleaned up by the post-install event handling regardless of whether 14359 // there's a restore pass performed. Token values are >= 1. 14360 int token; 14361 if (mNextInstallToken < 0) mNextInstallToken = 1; 14362 token = mNextInstallToken++; 14363 14364 PostInstallData data = new PostInstallData(args, res); 14365 mRunningInstalls.put(token, data); 14366 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 14367 14368 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 14369 // Pass responsibility to the Backup Manager. It will perform a 14370 // restore if appropriate, then pass responsibility back to the 14371 // Package Manager to run the post-install observer callbacks 14372 // and broadcasts. 14373 IBackupManager bm = IBackupManager.Stub.asInterface( 14374 ServiceManager.getService(Context.BACKUP_SERVICE)); 14375 if (bm != null) { 14376 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 14377 + " to BM for possible restore"); 14378 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 14379 try { 14380 // TODO: http://b/22388012 14381 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 14382 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 14383 } else { 14384 doRestore = false; 14385 } 14386 } catch (RemoteException e) { 14387 // can't happen; the backup manager is local 14388 } catch (Exception e) { 14389 Slog.e(TAG, "Exception trying to enqueue restore", e); 14390 doRestore = false; 14391 } 14392 } else { 14393 Slog.e(TAG, "Backup Manager not found!"); 14394 doRestore = false; 14395 } 14396 } 14397 14398 if (!doRestore) { 14399 // No restore possible, or the Backup Manager was mysteriously not 14400 // available -- just fire the post-install work request directly. 14401 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 14402 14403 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 14404 14405 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 14406 mHandler.sendMessage(msg); 14407 } 14408 } 14409 }); 14410 } 14411 14412 /** 14413 * Callback from PackageSettings whenever an app is first transitioned out of the 14414 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 14415 * the app was "launched" for a restoreAtInstall operation. Therefore we check 14416 * here whether the app is the target of an ongoing install, and only send the 14417 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 14418 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 14419 * handling. 14420 */ 14421 void notifyFirstLaunch(final String packageName, final String installerPackage, 14422 final int userId) { 14423 // Serialize this with the rest of the install-process message chain. In the 14424 // restore-at-install case, this Runnable will necessarily run before the 14425 // POST_INSTALL message is processed, so the contents of mRunningInstalls 14426 // are coherent. In the non-restore case, the app has already completed install 14427 // and been launched through some other means, so it is not in a problematic 14428 // state for observers to see the FIRST_LAUNCH signal. 14429 mHandler.post(new Runnable() { 14430 @Override 14431 public void run() { 14432 for (int i = 0; i < mRunningInstalls.size(); i++) { 14433 final PostInstallData data = mRunningInstalls.valueAt(i); 14434 if (data.res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14435 continue; 14436 } 14437 if (packageName.equals(data.res.pkg.applicationInfo.packageName)) { 14438 // right package; but is it for the right user? 14439 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 14440 if (userId == data.res.newUsers[uIndex]) { 14441 if (DEBUG_BACKUP) { 14442 Slog.i(TAG, "Package " + packageName 14443 + " being restored so deferring FIRST_LAUNCH"); 14444 } 14445 return; 14446 } 14447 } 14448 } 14449 } 14450 // didn't find it, so not being restored 14451 if (DEBUG_BACKUP) { 14452 Slog.i(TAG, "Package " + packageName + " sending normal FIRST_LAUNCH"); 14453 } 14454 final boolean isInstantApp = isInstantApp(packageName, userId); 14455 final int[] userIds = isInstantApp ? EMPTY_INT_ARRAY : new int[] { userId }; 14456 final int[] instantUserIds = isInstantApp ? new int[] { userId } : EMPTY_INT_ARRAY; 14457 sendFirstLaunchBroadcast(packageName, installerPackage, userIds, instantUserIds); 14458 } 14459 }); 14460 } 14461 14462 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, 14463 int[] userIds, int[] instantUserIds) { 14464 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 14465 installerPkg, null, userIds, instantUserIds); 14466 } 14467 14468 private abstract class HandlerParams { 14469 private static final int MAX_RETRIES = 4; 14470 14471 /** 14472 * Number of times startCopy() has been attempted and had a non-fatal 14473 * error. 14474 */ 14475 private int mRetries = 0; 14476 14477 /** User handle for the user requesting the information or installation. */ 14478 private final UserHandle mUser; 14479 String traceMethod; 14480 int traceCookie; 14481 14482 HandlerParams(UserHandle user) { 14483 mUser = user; 14484 } 14485 14486 UserHandle getUser() { 14487 return mUser; 14488 } 14489 14490 HandlerParams setTraceMethod(String traceMethod) { 14491 this.traceMethod = traceMethod; 14492 return this; 14493 } 14494 14495 HandlerParams setTraceCookie(int traceCookie) { 14496 this.traceCookie = traceCookie; 14497 return this; 14498 } 14499 14500 final boolean startCopy() { 14501 boolean res; 14502 try { 14503 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 14504 14505 if (++mRetries > MAX_RETRIES) { 14506 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 14507 mHandler.sendEmptyMessage(MCS_GIVE_UP); 14508 handleServiceError(); 14509 return false; 14510 } else { 14511 handleStartCopy(); 14512 res = true; 14513 } 14514 } catch (RemoteException e) { 14515 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 14516 mHandler.sendEmptyMessage(MCS_RECONNECT); 14517 res = false; 14518 } 14519 handleReturnCode(); 14520 return res; 14521 } 14522 14523 final void serviceError() { 14524 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 14525 handleServiceError(); 14526 handleReturnCode(); 14527 } 14528 14529 abstract void handleStartCopy() throws RemoteException; 14530 abstract void handleServiceError(); 14531 abstract void handleReturnCode(); 14532 } 14533 14534 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 14535 for (File path : paths) { 14536 try { 14537 mcs.clearDirectory(path.getAbsolutePath()); 14538 } catch (RemoteException e) { 14539 } 14540 } 14541 } 14542 14543 static class OriginInfo { 14544 /** 14545 * Location where install is coming from, before it has been 14546 * copied/renamed into place. This could be a single monolithic APK 14547 * file, or a cluster directory. This location may be untrusted. 14548 */ 14549 final File file; 14550 14551 /** 14552 * Flag indicating that {@link #file} or {@link #cid} has already been 14553 * staged, meaning downstream users don't need to defensively copy the 14554 * contents. 14555 */ 14556 final boolean staged; 14557 14558 /** 14559 * Flag indicating that {@link #file} or {@link #cid} is an already 14560 * installed app that is being moved. 14561 */ 14562 final boolean existing; 14563 14564 final String resolvedPath; 14565 final File resolvedFile; 14566 14567 static OriginInfo fromNothing() { 14568 return new OriginInfo(null, false, false); 14569 } 14570 14571 static OriginInfo fromUntrustedFile(File file) { 14572 return new OriginInfo(file, false, false); 14573 } 14574 14575 static OriginInfo fromExistingFile(File file) { 14576 return new OriginInfo(file, false, true); 14577 } 14578 14579 static OriginInfo fromStagedFile(File file) { 14580 return new OriginInfo(file, true, false); 14581 } 14582 14583 private OriginInfo(File file, boolean staged, boolean existing) { 14584 this.file = file; 14585 this.staged = staged; 14586 this.existing = existing; 14587 14588 if (file != null) { 14589 resolvedPath = file.getAbsolutePath(); 14590 resolvedFile = file; 14591 } else { 14592 resolvedPath = null; 14593 resolvedFile = null; 14594 } 14595 } 14596 } 14597 14598 static class MoveInfo { 14599 final int moveId; 14600 final String fromUuid; 14601 final String toUuid; 14602 final String packageName; 14603 final String dataAppName; 14604 final int appId; 14605 final String seinfo; 14606 final int targetSdkVersion; 14607 14608 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 14609 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 14610 this.moveId = moveId; 14611 this.fromUuid = fromUuid; 14612 this.toUuid = toUuid; 14613 this.packageName = packageName; 14614 this.dataAppName = dataAppName; 14615 this.appId = appId; 14616 this.seinfo = seinfo; 14617 this.targetSdkVersion = targetSdkVersion; 14618 } 14619 } 14620 14621 static class VerificationInfo { 14622 /** A constant used to indicate that a uid value is not present. */ 14623 public static final int NO_UID = -1; 14624 14625 /** URI referencing where the package was downloaded from. */ 14626 final Uri originatingUri; 14627 14628 /** HTTP referrer URI associated with the originatingURI. */ 14629 final Uri referrer; 14630 14631 /** UID of the application that the install request originated from. */ 14632 final int originatingUid; 14633 14634 /** UID of application requesting the install */ 14635 final int installerUid; 14636 14637 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 14638 this.originatingUri = originatingUri; 14639 this.referrer = referrer; 14640 this.originatingUid = originatingUid; 14641 this.installerUid = installerUid; 14642 } 14643 } 14644 14645 class InstallParams extends HandlerParams { 14646 final OriginInfo origin; 14647 final MoveInfo move; 14648 final IPackageInstallObserver2 observer; 14649 int installFlags; 14650 final String installerPackageName; 14651 final String volumeUuid; 14652 private InstallArgs mArgs; 14653 private int mRet; 14654 final String packageAbiOverride; 14655 final String[] grantedRuntimePermissions; 14656 final VerificationInfo verificationInfo; 14657 final PackageParser.SigningDetails signingDetails; 14658 final int installReason; 14659 14660 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 14661 int installFlags, String installerPackageName, String volumeUuid, 14662 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 14663 String[] grantedPermissions, PackageParser.SigningDetails signingDetails, int installReason) { 14664 super(user); 14665 this.origin = origin; 14666 this.move = move; 14667 this.observer = observer; 14668 this.installFlags = installFlags; 14669 this.installerPackageName = installerPackageName; 14670 this.volumeUuid = volumeUuid; 14671 this.verificationInfo = verificationInfo; 14672 this.packageAbiOverride = packageAbiOverride; 14673 this.grantedRuntimePermissions = grantedPermissions; 14674 this.signingDetails = signingDetails; 14675 this.installReason = installReason; 14676 } 14677 14678 @Override 14679 public String toString() { 14680 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 14681 + " file=" + origin.file + "}"; 14682 } 14683 14684 private int installLocationPolicy(PackageInfoLite pkgLite) { 14685 String packageName = pkgLite.packageName; 14686 int installLocation = pkgLite.installLocation; 14687 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14688 // reader 14689 synchronized (mPackages) { 14690 // Currently installed package which the new package is attempting to replace or 14691 // null if no such package is installed. 14692 PackageParser.Package installedPkg = mPackages.get(packageName); 14693 // Package which currently owns the data which the new package will own if installed. 14694 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 14695 // will be null whereas dataOwnerPkg will contain information about the package 14696 // which was uninstalled while keeping its data. 14697 PackageParser.Package dataOwnerPkg = installedPkg; 14698 if (dataOwnerPkg == null) { 14699 PackageSetting ps = mSettings.mPackages.get(packageName); 14700 if (ps != null) { 14701 dataOwnerPkg = ps.pkg; 14702 } 14703 } 14704 14705 if (dataOwnerPkg != null) { 14706 // If installed, the package will get access to data left on the device by its 14707 // predecessor. As a security measure, this is permited only if this is not a 14708 // version downgrade or if the predecessor package is marked as debuggable and 14709 // a downgrade is explicitly requested. 14710 // 14711 // On debuggable platform builds, downgrades are permitted even for 14712 // non-debuggable packages to make testing easier. Debuggable platform builds do 14713 // not offer security guarantees and thus it's OK to disable some security 14714 // mechanisms to make debugging/testing easier on those builds. However, even on 14715 // debuggable builds downgrades of packages are permitted only if requested via 14716 // installFlags. This is because we aim to keep the behavior of debuggable 14717 // platform builds as close as possible to the behavior of non-debuggable 14718 // platform builds. 14719 final boolean downgradeRequested = 14720 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 14721 final boolean packageDebuggable = 14722 (dataOwnerPkg.applicationInfo.flags 14723 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 14724 final boolean downgradePermitted = 14725 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 14726 if (!downgradePermitted) { 14727 try { 14728 checkDowngrade(dataOwnerPkg, pkgLite); 14729 } catch (PackageManagerException e) { 14730 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 14731 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 14732 } 14733 } 14734 } 14735 14736 if (installedPkg != null) { 14737 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14738 // Check for updated system application. 14739 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 14740 if (onSd) { 14741 Slog.w(TAG, "Cannot install update to system app on sdcard"); 14742 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 14743 } 14744 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14745 } else { 14746 if (onSd) { 14747 // Install flag overrides everything. 14748 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14749 } 14750 // If current upgrade specifies particular preference 14751 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 14752 // Application explicitly specified internal. 14753 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14754 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 14755 // App explictly prefers external. Let policy decide 14756 } else { 14757 // Prefer previous location 14758 if (isExternal(installedPkg)) { 14759 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14760 } 14761 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14762 } 14763 } 14764 } else { 14765 // Invalid install. Return error code 14766 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 14767 } 14768 } 14769 } 14770 // All the special cases have been taken care of. 14771 // Return result based on recommended install location. 14772 if (onSd) { 14773 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14774 } 14775 return pkgLite.recommendedInstallLocation; 14776 } 14777 14778 /* 14779 * Invoke remote method to get package information and install 14780 * location values. Override install location based on default 14781 * policy if needed and then create install arguments based 14782 * on the install location. 14783 */ 14784 public void handleStartCopy() throws RemoteException { 14785 int ret = PackageManager.INSTALL_SUCCEEDED; 14786 14787 // If we're already staged, we've firmly committed to an install location 14788 if (origin.staged) { 14789 if (origin.file != null) { 14790 installFlags |= PackageManager.INSTALL_INTERNAL; 14791 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 14792 } else { 14793 throw new IllegalStateException("Invalid stage location"); 14794 } 14795 } 14796 14797 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14798 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 14799 final boolean ephemeral = (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 14800 PackageInfoLite pkgLite = null; 14801 14802 if (onInt && onSd) { 14803 // Check if both bits are set. 14804 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 14805 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14806 } else if (onSd && ephemeral) { 14807 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 14808 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14809 } else { 14810 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 14811 packageAbiOverride); 14812 14813 if (DEBUG_EPHEMERAL && ephemeral) { 14814 Slog.v(TAG, "pkgLite for install: " + pkgLite); 14815 } 14816 14817 /* 14818 * If we have too little free space, try to free cache 14819 * before giving up. 14820 */ 14821 if (!origin.staged && pkgLite.recommendedInstallLocation 14822 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 14823 // TODO: focus freeing disk space on the target device 14824 final StorageManager storage = StorageManager.from(mContext); 14825 final long lowThreshold = storage.getStorageLowBytes( 14826 Environment.getDataDirectory()); 14827 14828 final long sizeBytes = mContainerService.calculateInstalledSize( 14829 origin.resolvedPath, packageAbiOverride); 14830 14831 try { 14832 mInstaller.freeCache(null, sizeBytes + lowThreshold, 0, 0); 14833 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 14834 installFlags, packageAbiOverride); 14835 } catch (InstallerException e) { 14836 Slog.w(TAG, "Failed to free cache", e); 14837 } 14838 14839 /* 14840 * The cache free must have deleted the file we 14841 * downloaded to install. 14842 * 14843 * TODO: fix the "freeCache" call to not delete 14844 * the file we care about. 14845 */ 14846 if (pkgLite.recommendedInstallLocation 14847 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 14848 pkgLite.recommendedInstallLocation 14849 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 14850 } 14851 } 14852 } 14853 14854 if (ret == PackageManager.INSTALL_SUCCEEDED) { 14855 int loc = pkgLite.recommendedInstallLocation; 14856 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 14857 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14858 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 14859 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 14860 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 14861 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 14862 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 14863 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 14864 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 14865 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 14866 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 14867 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 14868 } else { 14869 // Override with defaults if needed. 14870 loc = installLocationPolicy(pkgLite); 14871 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 14872 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 14873 } else if (!onSd && !onInt) { 14874 // Override install location with flags 14875 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 14876 // Set the flag to install on external media. 14877 installFlags |= PackageManager.INSTALL_EXTERNAL; 14878 installFlags &= ~PackageManager.INSTALL_INTERNAL; 14879 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 14880 if (DEBUG_EPHEMERAL) { 14881 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 14882 } 14883 installFlags |= PackageManager.INSTALL_INSTANT_APP; 14884 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 14885 |PackageManager.INSTALL_INTERNAL); 14886 } else { 14887 // Make sure the flag for installing on external 14888 // media is unset 14889 installFlags |= PackageManager.INSTALL_INTERNAL; 14890 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 14891 } 14892 } 14893 } 14894 } 14895 14896 final InstallArgs args = createInstallArgs(this); 14897 mArgs = args; 14898 14899 if (ret == PackageManager.INSTALL_SUCCEEDED) { 14900 // TODO: http://b/22976637 14901 // Apps installed for "all" users use the device owner to verify the app 14902 UserHandle verifierUser = getUser(); 14903 if (verifierUser == UserHandle.ALL) { 14904 verifierUser = UserHandle.SYSTEM; 14905 } 14906 14907 /* 14908 * Determine if we have any installed package verifiers. If we 14909 * do, then we'll defer to them to verify the packages. 14910 */ 14911 final int requiredUid = mRequiredVerifierPackage == null ? -1 14912 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 14913 verifierUser.getIdentifier()); 14914 final int installerUid = 14915 verificationInfo == null ? -1 : verificationInfo.installerUid; 14916 if (!origin.existing && requiredUid != -1 14917 && isVerificationEnabled( 14918 verifierUser.getIdentifier(), installFlags, installerUid)) { 14919 final Intent verification = new Intent( 14920 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 14921 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 14922 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 14923 PACKAGE_MIME_TYPE); 14924 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 14925 14926 // Query all live verifiers based on current user state 14927 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 14928 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier(), 14929 false /*allowDynamicSplits*/); 14930 14931 if (DEBUG_VERIFY) { 14932 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 14933 + verification.toString() + " with " + pkgLite.verifiers.length 14934 + " optional verifiers"); 14935 } 14936 14937 final int verificationId = mPendingVerificationToken++; 14938 14939 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 14940 14941 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 14942 installerPackageName); 14943 14944 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 14945 installFlags); 14946 14947 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 14948 pkgLite.packageName); 14949 14950 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 14951 pkgLite.versionCode); 14952 14953 verification.putExtra(PackageManager.EXTRA_VERIFICATION_LONG_VERSION_CODE, 14954 pkgLite.getLongVersionCode()); 14955 14956 if (verificationInfo != null) { 14957 if (verificationInfo.originatingUri != null) { 14958 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 14959 verificationInfo.originatingUri); 14960 } 14961 if (verificationInfo.referrer != null) { 14962 verification.putExtra(Intent.EXTRA_REFERRER, 14963 verificationInfo.referrer); 14964 } 14965 if (verificationInfo.originatingUid >= 0) { 14966 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 14967 verificationInfo.originatingUid); 14968 } 14969 if (verificationInfo.installerUid >= 0) { 14970 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 14971 verificationInfo.installerUid); 14972 } 14973 } 14974 14975 final PackageVerificationState verificationState = new PackageVerificationState( 14976 requiredUid, args); 14977 14978 mPendingVerification.append(verificationId, verificationState); 14979 14980 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 14981 receivers, verificationState); 14982 14983 DeviceIdleController.LocalService idleController = getDeviceIdleController(); 14984 final long idleDuration = getVerificationTimeout(); 14985 14986 /* 14987 * If any sufficient verifiers were listed in the package 14988 * manifest, attempt to ask them. 14989 */ 14990 if (sufficientVerifiers != null) { 14991 final int N = sufficientVerifiers.size(); 14992 if (N == 0) { 14993 Slog.i(TAG, "Additional verifiers required, but none installed."); 14994 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 14995 } else { 14996 for (int i = 0; i < N; i++) { 14997 final ComponentName verifierComponent = sufficientVerifiers.get(i); 14998 idleController.addPowerSaveTempWhitelistApp(Process.myUid(), 14999 verifierComponent.getPackageName(), idleDuration, 15000 verifierUser.getIdentifier(), false, "package verifier"); 15001 15002 final Intent sufficientIntent = new Intent(verification); 15003 sufficientIntent.setComponent(verifierComponent); 15004 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 15005 } 15006 } 15007 } 15008 15009 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 15010 mRequiredVerifierPackage, receivers); 15011 if (ret == PackageManager.INSTALL_SUCCEEDED 15012 && mRequiredVerifierPackage != null) { 15013 Trace.asyncTraceBegin( 15014 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 15015 /* 15016 * Send the intent to the required verification agent, 15017 * but only start the verification timeout after the 15018 * target BroadcastReceivers have run. 15019 */ 15020 verification.setComponent(requiredVerifierComponent); 15021 idleController.addPowerSaveTempWhitelistApp(Process.myUid(), 15022 mRequiredVerifierPackage, idleDuration, 15023 verifierUser.getIdentifier(), false, "package verifier"); 15024 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 15025 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 15026 new BroadcastReceiver() { 15027 @Override 15028 public void onReceive(Context context, Intent intent) { 15029 final Message msg = mHandler 15030 .obtainMessage(CHECK_PENDING_VERIFICATION); 15031 msg.arg1 = verificationId; 15032 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 15033 } 15034 }, null, 0, null, null); 15035 15036 /* 15037 * We don't want the copy to proceed until verification 15038 * succeeds, so null out this field. 15039 */ 15040 mArgs = null; 15041 } 15042 } else { 15043 /* 15044 * No package verification is enabled, so immediately start 15045 * the remote call to initiate copy using temporary file. 15046 */ 15047 ret = args.copyApk(mContainerService, true); 15048 } 15049 } 15050 15051 mRet = ret; 15052 } 15053 15054 @Override 15055 void handleReturnCode() { 15056 // If mArgs is null, then MCS couldn't be reached. When it 15057 // reconnects, it will try again to install. At that point, this 15058 // will succeed. 15059 if (mArgs != null) { 15060 processPendingInstall(mArgs, mRet); 15061 } 15062 } 15063 15064 @Override 15065 void handleServiceError() { 15066 mArgs = createInstallArgs(this); 15067 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 15068 } 15069 } 15070 15071 private InstallArgs createInstallArgs(InstallParams params) { 15072 if (params.move != null) { 15073 return new MoveInstallArgs(params); 15074 } else { 15075 return new FileInstallArgs(params); 15076 } 15077 } 15078 15079 /** 15080 * Create args that describe an existing installed package. Typically used 15081 * when cleaning up old installs, or used as a move source. 15082 */ 15083 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 15084 String resourcePath, String[] instructionSets) { 15085 return new FileInstallArgs(codePath, resourcePath, instructionSets); 15086 } 15087 15088 static abstract class InstallArgs { 15089 /** @see InstallParams#origin */ 15090 final OriginInfo origin; 15091 /** @see InstallParams#move */ 15092 final MoveInfo move; 15093 15094 final IPackageInstallObserver2 observer; 15095 // Always refers to PackageManager flags only 15096 final int installFlags; 15097 final String installerPackageName; 15098 final String volumeUuid; 15099 final UserHandle user; 15100 final String abiOverride; 15101 final String[] installGrantPermissions; 15102 /** If non-null, drop an async trace when the install completes */ 15103 final String traceMethod; 15104 final int traceCookie; 15105 final PackageParser.SigningDetails signingDetails; 15106 final int installReason; 15107 15108 // The list of instruction sets supported by this app. This is currently 15109 // only used during the rmdex() phase to clean up resources. We can get rid of this 15110 // if we move dex files under the common app path. 15111 /* nullable */ String[] instructionSets; 15112 15113 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 15114 int installFlags, String installerPackageName, String volumeUuid, 15115 UserHandle user, String[] instructionSets, 15116 String abiOverride, String[] installGrantPermissions, 15117 String traceMethod, int traceCookie, PackageParser.SigningDetails signingDetails, 15118 int installReason) { 15119 this.origin = origin; 15120 this.move = move; 15121 this.installFlags = installFlags; 15122 this.observer = observer; 15123 this.installerPackageName = installerPackageName; 15124 this.volumeUuid = volumeUuid; 15125 this.user = user; 15126 this.instructionSets = instructionSets; 15127 this.abiOverride = abiOverride; 15128 this.installGrantPermissions = installGrantPermissions; 15129 this.traceMethod = traceMethod; 15130 this.traceCookie = traceCookie; 15131 this.signingDetails = signingDetails; 15132 this.installReason = installReason; 15133 } 15134 15135 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 15136 abstract int doPreInstall(int status); 15137 15138 /** 15139 * Rename package into final resting place. All paths on the given 15140 * scanned package should be updated to reflect the rename. 15141 */ 15142 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 15143 abstract int doPostInstall(int status, int uid); 15144 15145 /** @see PackageSettingBase#codePathString */ 15146 abstract String getCodePath(); 15147 /** @see PackageSettingBase#resourcePathString */ 15148 abstract String getResourcePath(); 15149 15150 // Need installer lock especially for dex file removal. 15151 abstract void cleanUpResourcesLI(); 15152 abstract boolean doPostDeleteLI(boolean delete); 15153 15154 /** 15155 * Called before the source arguments are copied. This is used mostly 15156 * for MoveParams when it needs to read the source file to put it in the 15157 * destination. 15158 */ 15159 int doPreCopy() { 15160 return PackageManager.INSTALL_SUCCEEDED; 15161 } 15162 15163 /** 15164 * Called after the source arguments are copied. This is used mostly for 15165 * MoveParams when it needs to read the source file to put it in the 15166 * destination. 15167 */ 15168 int doPostCopy(int uid) { 15169 return PackageManager.INSTALL_SUCCEEDED; 15170 } 15171 15172 protected boolean isFwdLocked() { 15173 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 15174 } 15175 15176 protected boolean isExternalAsec() { 15177 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 15178 } 15179 15180 protected boolean isEphemeral() { 15181 return (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 15182 } 15183 15184 UserHandle getUser() { 15185 return user; 15186 } 15187 } 15188 15189 void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 15190 if (!allCodePaths.isEmpty()) { 15191 if (instructionSets == null) { 15192 throw new IllegalStateException("instructionSet == null"); 15193 } 15194 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 15195 for (String codePath : allCodePaths) { 15196 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 15197 try { 15198 mInstaller.rmdex(codePath, dexCodeInstructionSet); 15199 } catch (InstallerException ignored) { 15200 } 15201 } 15202 } 15203 } 15204 } 15205 15206 /** 15207 * Logic to handle installation of non-ASEC applications, including copying 15208 * and renaming logic. 15209 */ 15210 class FileInstallArgs extends InstallArgs { 15211 private File codeFile; 15212 private File resourceFile; 15213 15214 // Example topology: 15215 // /data/app/com.example/base.apk 15216 // /data/app/com.example/split_foo.apk 15217 // /data/app/com.example/lib/arm/libfoo.so 15218 // /data/app/com.example/lib/arm64/libfoo.so 15219 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 15220 15221 /** New install */ 15222 FileInstallArgs(InstallParams params) { 15223 super(params.origin, params.move, params.observer, params.installFlags, 15224 params.installerPackageName, params.volumeUuid, 15225 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 15226 params.grantedRuntimePermissions, 15227 params.traceMethod, params.traceCookie, params.signingDetails, 15228 params.installReason); 15229 if (isFwdLocked()) { 15230 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 15231 } 15232 } 15233 15234 /** Existing install */ 15235 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 15236 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 15237 null, null, null, 0, PackageParser.SigningDetails.UNKNOWN, 15238 PackageManager.INSTALL_REASON_UNKNOWN); 15239 this.codeFile = (codePath != null) ? new File(codePath) : null; 15240 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 15241 } 15242 15243 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 15244 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 15245 try { 15246 return doCopyApk(imcs, temp); 15247 } finally { 15248 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15249 } 15250 } 15251 15252 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 15253 if (origin.staged) { 15254 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 15255 codeFile = origin.file; 15256 resourceFile = origin.file; 15257 return PackageManager.INSTALL_SUCCEEDED; 15258 } 15259 15260 try { 15261 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 15262 final File tempDir = 15263 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 15264 codeFile = tempDir; 15265 resourceFile = tempDir; 15266 } catch (IOException e) { 15267 Slog.w(TAG, "Failed to create copy file: " + e); 15268 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 15269 } 15270 15271 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 15272 @Override 15273 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 15274 if (!FileUtils.isValidExtFilename(name)) { 15275 throw new IllegalArgumentException("Invalid filename: " + name); 15276 } 15277 try { 15278 final File file = new File(codeFile, name); 15279 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 15280 O_RDWR | O_CREAT, 0644); 15281 Os.chmod(file.getAbsolutePath(), 0644); 15282 return new ParcelFileDescriptor(fd); 15283 } catch (ErrnoException e) { 15284 throw new RemoteException("Failed to open: " + e.getMessage()); 15285 } 15286 } 15287 }; 15288 15289 int ret = PackageManager.INSTALL_SUCCEEDED; 15290 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 15291 if (ret != PackageManager.INSTALL_SUCCEEDED) { 15292 Slog.e(TAG, "Failed to copy package"); 15293 return ret; 15294 } 15295 15296 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 15297 NativeLibraryHelper.Handle handle = null; 15298 try { 15299 handle = NativeLibraryHelper.Handle.create(codeFile); 15300 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 15301 abiOverride); 15302 } catch (IOException e) { 15303 Slog.e(TAG, "Copying native libraries failed", e); 15304 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 15305 } finally { 15306 IoUtils.closeQuietly(handle); 15307 } 15308 15309 return ret; 15310 } 15311 15312 int doPreInstall(int status) { 15313 if (status != PackageManager.INSTALL_SUCCEEDED) { 15314 cleanUp(); 15315 } 15316 return status; 15317 } 15318 15319 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 15320 if (status != PackageManager.INSTALL_SUCCEEDED) { 15321 cleanUp(); 15322 return false; 15323 } 15324 15325 final File targetDir = codeFile.getParentFile(); 15326 final File beforeCodeFile = codeFile; 15327 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 15328 15329 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 15330 try { 15331 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 15332 } catch (ErrnoException e) { 15333 Slog.w(TAG, "Failed to rename", e); 15334 return false; 15335 } 15336 15337 if (!SELinux.restoreconRecursive(afterCodeFile)) { 15338 Slog.w(TAG, "Failed to restorecon"); 15339 return false; 15340 } 15341 15342 // Reflect the rename internally 15343 codeFile = afterCodeFile; 15344 resourceFile = afterCodeFile; 15345 15346 // Reflect the rename in scanned details 15347 try { 15348 pkg.setCodePath(afterCodeFile.getCanonicalPath()); 15349 } catch (IOException e) { 15350 Slog.e(TAG, "Failed to get path: " + afterCodeFile, e); 15351 return false; 15352 } 15353 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 15354 afterCodeFile, pkg.baseCodePath)); 15355 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 15356 afterCodeFile, pkg.splitCodePaths)); 15357 15358 // Reflect the rename in app info 15359 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15360 pkg.setApplicationInfoCodePath(pkg.codePath); 15361 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15362 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15363 pkg.setApplicationInfoResourcePath(pkg.codePath); 15364 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15365 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15366 15367 return true; 15368 } 15369 15370 int doPostInstall(int status, int uid) { 15371 if (status != PackageManager.INSTALL_SUCCEEDED) { 15372 cleanUp(); 15373 } 15374 return status; 15375 } 15376 15377 @Override 15378 String getCodePath() { 15379 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 15380 } 15381 15382 @Override 15383 String getResourcePath() { 15384 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 15385 } 15386 15387 private boolean cleanUp() { 15388 if (codeFile == null || !codeFile.exists()) { 15389 return false; 15390 } 15391 15392 removeCodePathLI(codeFile); 15393 15394 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 15395 resourceFile.delete(); 15396 } 15397 15398 return true; 15399 } 15400 15401 void cleanUpResourcesLI() { 15402 // Try enumerating all code paths before deleting 15403 List<String> allCodePaths = Collections.EMPTY_LIST; 15404 if (codeFile != null && codeFile.exists()) { 15405 try { 15406 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 15407 allCodePaths = pkg.getAllCodePaths(); 15408 } catch (PackageParserException e) { 15409 // Ignored; we tried our best 15410 } 15411 } 15412 15413 cleanUp(); 15414 removeDexFiles(allCodePaths, instructionSets); 15415 } 15416 15417 boolean doPostDeleteLI(boolean delete) { 15418 // XXX err, shouldn't we respect the delete flag? 15419 cleanUpResourcesLI(); 15420 return true; 15421 } 15422 } 15423 15424 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 15425 PackageManagerException { 15426 if (copyRet < 0) { 15427 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 15428 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 15429 throw new PackageManagerException(copyRet, message); 15430 } 15431 } 15432 } 15433 15434 /** 15435 * Extract the StorageManagerService "container ID" from the full code path of an 15436 * .apk. 15437 */ 15438 static String cidFromCodePath(String fullCodePath) { 15439 int eidx = fullCodePath.lastIndexOf("/"); 15440 String subStr1 = fullCodePath.substring(0, eidx); 15441 int sidx = subStr1.lastIndexOf("/"); 15442 return subStr1.substring(sidx+1, eidx); 15443 } 15444 15445 /** 15446 * Logic to handle movement of existing installed applications. 15447 */ 15448 class MoveInstallArgs extends InstallArgs { 15449 private File codeFile; 15450 private File resourceFile; 15451 15452 /** New install */ 15453 MoveInstallArgs(InstallParams params) { 15454 super(params.origin, params.move, params.observer, params.installFlags, 15455 params.installerPackageName, params.volumeUuid, 15456 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 15457 params.grantedRuntimePermissions, 15458 params.traceMethod, params.traceCookie, params.signingDetails, 15459 params.installReason); 15460 } 15461 15462 int copyApk(IMediaContainerService imcs, boolean temp) { 15463 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 15464 + move.fromUuid + " to " + move.toUuid); 15465 synchronized (mInstaller) { 15466 try { 15467 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 15468 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 15469 } catch (InstallerException e) { 15470 Slog.w(TAG, "Failed to move app", e); 15471 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 15472 } 15473 } 15474 15475 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 15476 resourceFile = codeFile; 15477 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 15478 15479 return PackageManager.INSTALL_SUCCEEDED; 15480 } 15481 15482 int doPreInstall(int status) { 15483 if (status != PackageManager.INSTALL_SUCCEEDED) { 15484 cleanUp(move.toUuid); 15485 } 15486 return status; 15487 } 15488 15489 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 15490 if (status != PackageManager.INSTALL_SUCCEEDED) { 15491 cleanUp(move.toUuid); 15492 return false; 15493 } 15494 15495 // Reflect the move in app info 15496 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15497 pkg.setApplicationInfoCodePath(pkg.codePath); 15498 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15499 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15500 pkg.setApplicationInfoResourcePath(pkg.codePath); 15501 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15502 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15503 15504 return true; 15505 } 15506 15507 int doPostInstall(int status, int uid) { 15508 if (status == PackageManager.INSTALL_SUCCEEDED) { 15509 cleanUp(move.fromUuid); 15510 } else { 15511 cleanUp(move.toUuid); 15512 } 15513 return status; 15514 } 15515 15516 @Override 15517 String getCodePath() { 15518 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 15519 } 15520 15521 @Override 15522 String getResourcePath() { 15523 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 15524 } 15525 15526 private boolean cleanUp(String volumeUuid) { 15527 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 15528 move.dataAppName); 15529 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 15530 final int[] userIds = sUserManager.getUserIds(); 15531 synchronized (mInstallLock) { 15532 // Clean up both app data and code 15533 // All package moves are frozen until finished 15534 for (int userId : userIds) { 15535 try { 15536 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 15537 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 15538 } catch (InstallerException e) { 15539 Slog.w(TAG, String.valueOf(e)); 15540 } 15541 } 15542 removeCodePathLI(codeFile); 15543 } 15544 return true; 15545 } 15546 15547 void cleanUpResourcesLI() { 15548 throw new UnsupportedOperationException(); 15549 } 15550 15551 boolean doPostDeleteLI(boolean delete) { 15552 throw new UnsupportedOperationException(); 15553 } 15554 } 15555 15556 static String getAsecPackageName(String packageCid) { 15557 int idx = packageCid.lastIndexOf("-"); 15558 if (idx == -1) { 15559 return packageCid; 15560 } 15561 return packageCid.substring(0, idx); 15562 } 15563 15564 // Utility method used to create code paths based on package name and available index. 15565 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 15566 String idxStr = ""; 15567 int idx = 1; 15568 // Fall back to default value of idx=1 if prefix is not 15569 // part of oldCodePath 15570 if (oldCodePath != null) { 15571 String subStr = oldCodePath; 15572 // Drop the suffix right away 15573 if (suffix != null && subStr.endsWith(suffix)) { 15574 subStr = subStr.substring(0, subStr.length() - suffix.length()); 15575 } 15576 // If oldCodePath already contains prefix find out the 15577 // ending index to either increment or decrement. 15578 int sidx = subStr.lastIndexOf(prefix); 15579 if (sidx != -1) { 15580 subStr = subStr.substring(sidx + prefix.length()); 15581 if (subStr != null) { 15582 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 15583 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 15584 } 15585 try { 15586 idx = Integer.parseInt(subStr); 15587 if (idx <= 1) { 15588 idx++; 15589 } else { 15590 idx--; 15591 } 15592 } catch(NumberFormatException e) { 15593 } 15594 } 15595 } 15596 } 15597 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 15598 return prefix + idxStr; 15599 } 15600 15601 private File getNextCodePath(File targetDir, String packageName) { 15602 File result; 15603 SecureRandom random = new SecureRandom(); 15604 byte[] bytes = new byte[16]; 15605 do { 15606 random.nextBytes(bytes); 15607 String suffix = Base64.encodeToString(bytes, Base64.URL_SAFE | Base64.NO_WRAP); 15608 result = new File(targetDir, packageName + "-" + suffix); 15609 } while (result.exists()); 15610 return result; 15611 } 15612 15613 // Utility method that returns the relative package path with respect 15614 // to the installation directory. Like say for /data/data/com.test-1.apk 15615 // string com.test-1 is returned. 15616 static String deriveCodePathName(String codePath) { 15617 if (codePath == null) { 15618 return null; 15619 } 15620 final File codeFile = new File(codePath); 15621 final String name = codeFile.getName(); 15622 if (codeFile.isDirectory()) { 15623 return name; 15624 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 15625 final int lastDot = name.lastIndexOf('.'); 15626 return name.substring(0, lastDot); 15627 } else { 15628 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 15629 return null; 15630 } 15631 } 15632 15633 static class PackageInstalledInfo { 15634 String name; 15635 int uid; 15636 // The set of users that originally had this package installed. 15637 int[] origUsers; 15638 // The set of users that now have this package installed. 15639 int[] newUsers; 15640 PackageParser.Package pkg; 15641 int returnCode; 15642 String returnMsg; 15643 String installerPackageName; 15644 PackageRemovedInfo removedInfo; 15645 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 15646 15647 public void setError(int code, String msg) { 15648 setReturnCode(code); 15649 setReturnMessage(msg); 15650 Slog.w(TAG, msg); 15651 } 15652 15653 public void setError(String msg, PackageParserException e) { 15654 setReturnCode(e.error); 15655 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 15656 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 15657 for (int i = 0; i < childCount; i++) { 15658 addedChildPackages.valueAt(i).setError(msg, e); 15659 } 15660 Slog.w(TAG, msg, e); 15661 } 15662 15663 public void setError(String msg, PackageManagerException e) { 15664 returnCode = e.error; 15665 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 15666 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 15667 for (int i = 0; i < childCount; i++) { 15668 addedChildPackages.valueAt(i).setError(msg, e); 15669 } 15670 Slog.w(TAG, msg, e); 15671 } 15672 15673 public void setReturnCode(int returnCode) { 15674 this.returnCode = returnCode; 15675 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 15676 for (int i = 0; i < childCount; i++) { 15677 addedChildPackages.valueAt(i).returnCode = returnCode; 15678 } 15679 } 15680 15681 private void setReturnMessage(String returnMsg) { 15682 this.returnMsg = returnMsg; 15683 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 15684 for (int i = 0; i < childCount; i++) { 15685 addedChildPackages.valueAt(i).returnMsg = returnMsg; 15686 } 15687 } 15688 15689 // In some error cases we want to convey more info back to the observer 15690 String origPackage; 15691 String origPermission; 15692 } 15693 15694 /* 15695 * Install a non-existing package. 15696 */ 15697 private void installNewPackageLIF(PackageParser.Package pkg, final @ParseFlags int parseFlags, 15698 final @ScanFlags int scanFlags, UserHandle user, String installerPackageName, 15699 String volumeUuid, PackageInstalledInfo res, int installReason) { 15700 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 15701 15702 // Remember this for later, in case we need to rollback this install 15703 String pkgName = pkg.packageName; 15704 15705 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 15706 15707 synchronized(mPackages) { 15708 final String renamedPackage = mSettings.getRenamedPackageLPr(pkgName); 15709 if (renamedPackage != null) { 15710 // A package with the same name is already installed, though 15711 // it has been renamed to an older name. The package we 15712 // are trying to install should be installed as an update to 15713 // the existing one, but that has not been requested, so bail. 15714 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 15715 + " without first uninstalling package running as " 15716 + renamedPackage); 15717 return; 15718 } 15719 if (mPackages.containsKey(pkgName)) { 15720 // Don't allow installation over an existing package with the same name. 15721 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 15722 + " without first uninstalling."); 15723 return; 15724 } 15725 } 15726 15727 try { 15728 PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 15729 System.currentTimeMillis(), user); 15730 15731 updateSettingsLI(newPackage, installerPackageName, null, res, user, installReason); 15732 15733 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 15734 prepareAppDataAfterInstallLIF(newPackage); 15735 15736 } else { 15737 // Remove package from internal structures, but keep around any 15738 // data that might have already existed 15739 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 15740 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 15741 } 15742 } catch (PackageManagerException e) { 15743 res.setError("Package couldn't be installed in " + pkg.codePath, e); 15744 } 15745 15746 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15747 } 15748 15749 private static void updateDigest(MessageDigest digest, File file) throws IOException { 15750 try (DigestInputStream digestStream = 15751 new DigestInputStream(new FileInputStream(file), digest)) { 15752 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 15753 } 15754 } 15755 15756 private void replacePackageLIF(PackageParser.Package pkg, final @ParseFlags int parseFlags, 15757 final @ScanFlags int scanFlags, UserHandle user, String installerPackageName, 15758 PackageInstalledInfo res, int installReason) { 15759 final boolean isInstantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 15760 15761 final PackageParser.Package oldPackage; 15762 final PackageSetting ps; 15763 final String pkgName = pkg.packageName; 15764 final int[] allUsers; 15765 final int[] installedUsers; 15766 15767 synchronized(mPackages) { 15768 oldPackage = mPackages.get(pkgName); 15769 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 15770 15771 // don't allow upgrade to target a release SDK from a pre-release SDK 15772 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 15773 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 15774 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 15775 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 15776 if (oldTargetsPreRelease 15777 && !newTargetsPreRelease 15778 && ((parseFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 15779 Slog.w(TAG, "Can't install package targeting released sdk"); 15780 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 15781 return; 15782 } 15783 15784 ps = mSettings.mPackages.get(pkgName); 15785 15786 // verify signatures are valid 15787 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 15788 if (ksms.shouldCheckUpgradeKeySetLocked(ps, scanFlags)) { 15789 if (!ksms.checkUpgradeKeySetLocked(ps, pkg)) { 15790 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 15791 "New package not signed by keys specified by upgrade-keysets: " 15792 + pkgName); 15793 return; 15794 } 15795 } else { 15796 // default to original signature matching 15797 if (compareSignatures(oldPackage.mSigningDetails.signatures, 15798 pkg.mSigningDetails.signatures) 15799 != PackageManager.SIGNATURE_MATCH) { 15800 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 15801 "New package has a different signature: " + pkgName); 15802 return; 15803 } 15804 } 15805 15806 // don't allow a system upgrade unless the upgrade hash matches 15807 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystem()) { 15808 byte[] digestBytes = null; 15809 try { 15810 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 15811 updateDigest(digest, new File(pkg.baseCodePath)); 15812 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 15813 for (String path : pkg.splitCodePaths) { 15814 updateDigest(digest, new File(path)); 15815 } 15816 } 15817 digestBytes = digest.digest(); 15818 } catch (NoSuchAlgorithmException | IOException e) { 15819 res.setError(INSTALL_FAILED_INVALID_APK, 15820 "Could not compute hash: " + pkgName); 15821 return; 15822 } 15823 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 15824 res.setError(INSTALL_FAILED_INVALID_APK, 15825 "New package fails restrict-update check: " + pkgName); 15826 return; 15827 } 15828 // retain upgrade restriction 15829 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 15830 } 15831 15832 // Check for shared user id changes 15833 String invalidPackageName = 15834 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 15835 if (invalidPackageName != null) { 15836 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 15837 "Package " + invalidPackageName + " tried to change user " 15838 + oldPackage.mSharedUserId); 15839 return; 15840 } 15841 15842 // check if the new package supports all of the abis which the old package supports 15843 boolean oldPkgSupportMultiArch = oldPackage.applicationInfo.secondaryCpuAbi != null; 15844 boolean newPkgSupportMultiArch = pkg.applicationInfo.secondaryCpuAbi != null; 15845 if (isSystemApp(oldPackage) && oldPkgSupportMultiArch && !newPkgSupportMultiArch) { 15846 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 15847 "Update to package " + pkgName + " doesn't support multi arch"); 15848 return; 15849 } 15850 15851 // In case of rollback, remember per-user/profile install state 15852 allUsers = sUserManager.getUserIds(); 15853 installedUsers = ps.queryInstalledUsers(allUsers, true); 15854 15855 // don't allow an upgrade from full to ephemeral 15856 if (isInstantApp) { 15857 if (user == null || user.getIdentifier() == UserHandle.USER_ALL) { 15858 for (int currentUser : allUsers) { 15859 if (!ps.getInstantApp(currentUser)) { 15860 // can't downgrade from full to instant 15861 Slog.w(TAG, "Can't replace full app with instant app: " + pkgName 15862 + " for user: " + currentUser); 15863 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 15864 return; 15865 } 15866 } 15867 } else if (!ps.getInstantApp(user.getIdentifier())) { 15868 // can't downgrade from full to instant 15869 Slog.w(TAG, "Can't replace full app with instant app: " + pkgName 15870 + " for user: " + user.getIdentifier()); 15871 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 15872 return; 15873 } 15874 } 15875 } 15876 15877 // Update what is removed 15878 res.removedInfo = new PackageRemovedInfo(this); 15879 res.removedInfo.uid = oldPackage.applicationInfo.uid; 15880 res.removedInfo.removedPackage = oldPackage.packageName; 15881 res.removedInfo.installerPackageName = ps.installerPackageName; 15882 res.removedInfo.isStaticSharedLib = pkg.staticSharedLibName != null; 15883 res.removedInfo.isUpdate = true; 15884 res.removedInfo.origUsers = installedUsers; 15885 res.removedInfo.installReasons = new SparseArray<>(installedUsers.length); 15886 for (int i = 0; i < installedUsers.length; i++) { 15887 final int userId = installedUsers[i]; 15888 res.removedInfo.installReasons.put(userId, ps.getInstallReason(userId)); 15889 } 15890 15891 final int childCount = (oldPackage.childPackages != null) 15892 ? oldPackage.childPackages.size() : 0; 15893 for (int i = 0; i < childCount; i++) { 15894 boolean childPackageUpdated = false; 15895 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 15896 final PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 15897 if (res.addedChildPackages != null) { 15898 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15899 if (childRes != null) { 15900 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 15901 childRes.removedInfo.removedPackage = childPkg.packageName; 15902 if (childPs != null) { 15903 childRes.removedInfo.installerPackageName = childPs.installerPackageName; 15904 } 15905 childRes.removedInfo.isUpdate = true; 15906 childRes.removedInfo.installReasons = res.removedInfo.installReasons; 15907 childPackageUpdated = true; 15908 } 15909 } 15910 if (!childPackageUpdated) { 15911 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(this); 15912 childRemovedRes.removedPackage = childPkg.packageName; 15913 if (childPs != null) { 15914 childRemovedRes.installerPackageName = childPs.installerPackageName; 15915 } 15916 childRemovedRes.isUpdate = false; 15917 childRemovedRes.dataRemoved = true; 15918 synchronized (mPackages) { 15919 if (childPs != null) { 15920 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 15921 } 15922 } 15923 if (res.removedInfo.removedChildPackages == null) { 15924 res.removedInfo.removedChildPackages = new ArrayMap<>(); 15925 } 15926 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 15927 } 15928 } 15929 15930 boolean sysPkg = (isSystemApp(oldPackage)); 15931 if (sysPkg) { 15932 // Set the system/privileged/oem/vendor flags as needed 15933 final boolean privileged = 15934 (oldPackage.applicationInfo.privateFlags 15935 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15936 final boolean oem = 15937 (oldPackage.applicationInfo.privateFlags 15938 & ApplicationInfo.PRIVATE_FLAG_OEM) != 0; 15939 final boolean vendor = 15940 (oldPackage.applicationInfo.privateFlags 15941 & ApplicationInfo.PRIVATE_FLAG_VENDOR) != 0; 15942 final @ParseFlags int systemParseFlags = parseFlags; 15943 final @ScanFlags int systemScanFlags = scanFlags 15944 | SCAN_AS_SYSTEM 15945 | (privileged ? SCAN_AS_PRIVILEGED : 0) 15946 | (oem ? SCAN_AS_OEM : 0) 15947 | (vendor ? SCAN_AS_VENDOR : 0); 15948 15949 replaceSystemPackageLIF(oldPackage, pkg, systemParseFlags, systemScanFlags, 15950 user, allUsers, installerPackageName, res, installReason); 15951 } else { 15952 replaceNonSystemPackageLIF(oldPackage, pkg, parseFlags, scanFlags, 15953 user, allUsers, installerPackageName, res, installReason); 15954 } 15955 } 15956 15957 @Override 15958 public List<String> getPreviousCodePaths(String packageName) { 15959 final int callingUid = Binder.getCallingUid(); 15960 final List<String> result = new ArrayList<>(); 15961 if (getInstantAppPackageName(callingUid) != null) { 15962 return result; 15963 } 15964 final PackageSetting ps = mSettings.mPackages.get(packageName); 15965 if (ps != null 15966 && ps.oldCodePaths != null 15967 && !filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 15968 result.addAll(ps.oldCodePaths); 15969 } 15970 return result; 15971 } 15972 15973 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 15974 PackageParser.Package pkg, final @ParseFlags int parseFlags, 15975 final @ScanFlags int scanFlags, UserHandle user, int[] allUsers, 15976 String installerPackageName, PackageInstalledInfo res, int installReason) { 15977 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 15978 + deletedPackage); 15979 15980 String pkgName = deletedPackage.packageName; 15981 boolean deletedPkg = true; 15982 boolean addedPkg = false; 15983 boolean updatedSettings = false; 15984 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 15985 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 15986 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 15987 15988 final long origUpdateTime = (pkg.mExtras != null) 15989 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 15990 15991 // First delete the existing package while retaining the data directory 15992 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 15993 res.removedInfo, true, pkg)) { 15994 // If the existing package wasn't successfully deleted 15995 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 15996 deletedPkg = false; 15997 } else { 15998 // Successfully deleted the old package; proceed with replace. 15999 16000 // If deleted package lived in a container, give users a chance to 16001 // relinquish resources before killing. 16002 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 16003 if (DEBUG_INSTALL) { 16004 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 16005 } 16006 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 16007 final ArrayList<String> pkgList = new ArrayList<String>(1); 16008 pkgList.add(deletedPackage.applicationInfo.packageName); 16009 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 16010 } 16011 16012 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 16013 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16014 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 16015 16016 try { 16017 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, 16018 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 16019 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 16020 installReason); 16021 16022 // Update the in-memory copy of the previous code paths. 16023 PackageSetting ps = mSettings.mPackages.get(pkgName); 16024 if (!killApp) { 16025 if (ps.oldCodePaths == null) { 16026 ps.oldCodePaths = new ArraySet<>(); 16027 } 16028 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 16029 if (deletedPackage.splitCodePaths != null) { 16030 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 16031 } 16032 } else { 16033 ps.oldCodePaths = null; 16034 } 16035 if (ps.childPackageNames != null) { 16036 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 16037 final String childPkgName = ps.childPackageNames.get(i); 16038 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 16039 childPs.oldCodePaths = ps.oldCodePaths; 16040 } 16041 } 16042 // set instant app status, but, only if it's explicitly specified 16043 final boolean instantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 16044 final boolean fullApp = (scanFlags & SCAN_AS_FULL_APP) != 0; 16045 setInstantAppForUser(ps, user.getIdentifier(), instantApp, fullApp); 16046 prepareAppDataAfterInstallLIF(newPackage); 16047 addedPkg = true; 16048 mDexManager.notifyPackageUpdated(newPackage.packageName, 16049 newPackage.baseCodePath, newPackage.splitCodePaths); 16050 } catch (PackageManagerException e) { 16051 res.setError("Package couldn't be installed in " + pkg.codePath, e); 16052 } 16053 } 16054 16055 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 16056 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 16057 16058 // Revert all internal state mutations and added folders for the failed install 16059 if (addedPkg) { 16060 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 16061 res.removedInfo, true, null); 16062 } 16063 16064 // Restore the old package 16065 if (deletedPkg) { 16066 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 16067 File restoreFile = new File(deletedPackage.codePath); 16068 // Parse old package 16069 boolean oldExternal = isExternal(deletedPackage); 16070 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 16071 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 16072 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 16073 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 16074 try { 16075 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 16076 null); 16077 } catch (PackageManagerException e) { 16078 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 16079 + e.getMessage()); 16080 return; 16081 } 16082 16083 synchronized (mPackages) { 16084 // Ensure the installer package name up to date 16085 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 16086 16087 // Update permissions for restored package 16088 mPermissionManager.updatePermissions( 16089 deletedPackage.packageName, deletedPackage, false, mPackages.values(), 16090 mPermissionCallback); 16091 16092 mSettings.writeLPr(); 16093 } 16094 16095 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 16096 } 16097 } else { 16098 synchronized (mPackages) { 16099 PackageSetting ps = mSettings.getPackageLPr(pkg.packageName); 16100 if (ps != null) { 16101 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16102 if (res.removedInfo.removedChildPackages != null) { 16103 final int childCount = res.removedInfo.removedChildPackages.size(); 16104 // Iterate in reverse as we may modify the collection 16105 for (int i = childCount - 1; i >= 0; i--) { 16106 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 16107 if (res.addedChildPackages.containsKey(childPackageName)) { 16108 res.removedInfo.removedChildPackages.removeAt(i); 16109 } else { 16110 PackageRemovedInfo childInfo = res.removedInfo 16111 .removedChildPackages.valueAt(i); 16112 childInfo.removedForAllUsers = mPackages.get( 16113 childInfo.removedPackage) == null; 16114 } 16115 } 16116 } 16117 } 16118 } 16119 } 16120 } 16121 16122 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 16123 PackageParser.Package pkg, final @ParseFlags int parseFlags, 16124 final @ScanFlags int scanFlags, UserHandle user, 16125 int[] allUsers, String installerPackageName, PackageInstalledInfo res, 16126 int installReason) { 16127 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 16128 + ", old=" + deletedPackage); 16129 16130 final boolean disabledSystem; 16131 16132 // Remove existing system package 16133 removePackageLI(deletedPackage, true); 16134 16135 synchronized (mPackages) { 16136 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 16137 } 16138 if (!disabledSystem) { 16139 // We didn't need to disable the .apk as a current system package, 16140 // which means we are replacing another update that is already 16141 // installed. We need to make sure to delete the older one's .apk. 16142 res.removedInfo.args = createInstallArgsForExisting(0, 16143 deletedPackage.applicationInfo.getCodePath(), 16144 deletedPackage.applicationInfo.getResourcePath(), 16145 getAppDexInstructionSets(deletedPackage.applicationInfo)); 16146 } else { 16147 res.removedInfo.args = null; 16148 } 16149 16150 // Successfully disabled the old package. Now proceed with re-installation 16151 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 16152 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16153 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 16154 16155 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16156 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 16157 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 16158 16159 PackageParser.Package newPackage = null; 16160 try { 16161 // Add the package to the internal data structures 16162 newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 0, user); 16163 16164 // Set the update and install times 16165 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 16166 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 16167 System.currentTimeMillis()); 16168 16169 // Update the package dynamic state if succeeded 16170 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 16171 // Now that the install succeeded make sure we remove data 16172 // directories for any child package the update removed. 16173 final int deletedChildCount = (deletedPackage.childPackages != null) 16174 ? deletedPackage.childPackages.size() : 0; 16175 final int newChildCount = (newPackage.childPackages != null) 16176 ? newPackage.childPackages.size() : 0; 16177 for (int i = 0; i < deletedChildCount; i++) { 16178 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 16179 boolean childPackageDeleted = true; 16180 for (int j = 0; j < newChildCount; j++) { 16181 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 16182 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 16183 childPackageDeleted = false; 16184 break; 16185 } 16186 } 16187 if (childPackageDeleted) { 16188 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 16189 deletedChildPkg.packageName); 16190 if (ps != null && res.removedInfo.removedChildPackages != null) { 16191 PackageRemovedInfo removedChildRes = res.removedInfo 16192 .removedChildPackages.get(deletedChildPkg.packageName); 16193 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 16194 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 16195 } 16196 } 16197 } 16198 16199 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 16200 installReason); 16201 prepareAppDataAfterInstallLIF(newPackage); 16202 16203 mDexManager.notifyPackageUpdated(newPackage.packageName, 16204 newPackage.baseCodePath, newPackage.splitCodePaths); 16205 } 16206 } catch (PackageManagerException e) { 16207 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 16208 res.setError("Package couldn't be installed in " + pkg.codePath, e); 16209 } 16210 16211 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 16212 // Re installation failed. Restore old information 16213 // Remove new pkg information 16214 if (newPackage != null) { 16215 removeInstalledPackageLI(newPackage, true); 16216 } 16217 // Add back the old system package 16218 try { 16219 scanPackageTracedLI(deletedPackage, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 16220 } catch (PackageManagerException e) { 16221 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 16222 } 16223 16224 synchronized (mPackages) { 16225 if (disabledSystem) { 16226 enableSystemPackageLPw(deletedPackage); 16227 } 16228 16229 // Ensure the installer package name up to date 16230 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 16231 16232 // Update permissions for restored package 16233 mPermissionManager.updatePermissions( 16234 deletedPackage.packageName, deletedPackage, false, mPackages.values(), 16235 mPermissionCallback); 16236 16237 mSettings.writeLPr(); 16238 } 16239 16240 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 16241 + " after failed upgrade"); 16242 } 16243 } 16244 16245 /** 16246 * Checks whether the parent or any of the child packages have a change shared 16247 * user. For a package to be a valid update the shred users of the parent and 16248 * the children should match. We may later support changing child shared users. 16249 * @param oldPkg The updated package. 16250 * @param newPkg The update package. 16251 * @return The shared user that change between the versions. 16252 */ 16253 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 16254 PackageParser.Package newPkg) { 16255 // Check parent shared user 16256 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 16257 return newPkg.packageName; 16258 } 16259 // Check child shared users 16260 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 16261 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 16262 for (int i = 0; i < newChildCount; i++) { 16263 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 16264 // If this child was present, did it have the same shared user? 16265 for (int j = 0; j < oldChildCount; j++) { 16266 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 16267 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 16268 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 16269 return newChildPkg.packageName; 16270 } 16271 } 16272 } 16273 return null; 16274 } 16275 16276 private void removeNativeBinariesLI(PackageSetting ps) { 16277 // Remove the lib path for the parent package 16278 if (ps != null) { 16279 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 16280 // Remove the lib path for the child packages 16281 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 16282 for (int i = 0; i < childCount; i++) { 16283 PackageSetting childPs = null; 16284 synchronized (mPackages) { 16285 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 16286 } 16287 if (childPs != null) { 16288 NativeLibraryHelper.removeNativeBinariesLI(childPs 16289 .legacyNativeLibraryPathString); 16290 } 16291 } 16292 } 16293 } 16294 16295 private void enableSystemPackageLPw(PackageParser.Package pkg) { 16296 // Enable the parent package 16297 mSettings.enableSystemPackageLPw(pkg.packageName); 16298 // Enable the child packages 16299 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16300 for (int i = 0; i < childCount; i++) { 16301 PackageParser.Package childPkg = pkg.childPackages.get(i); 16302 mSettings.enableSystemPackageLPw(childPkg.packageName); 16303 } 16304 } 16305 16306 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 16307 PackageParser.Package newPkg) { 16308 // Disable the parent package (parent always replaced) 16309 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 16310 // Disable the child packages 16311 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 16312 for (int i = 0; i < childCount; i++) { 16313 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 16314 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 16315 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 16316 } 16317 return disabled; 16318 } 16319 16320 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 16321 String installerPackageName) { 16322 // Enable the parent package 16323 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 16324 // Enable the child packages 16325 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16326 for (int i = 0; i < childCount; i++) { 16327 PackageParser.Package childPkg = pkg.childPackages.get(i); 16328 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 16329 } 16330 } 16331 16332 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 16333 int[] allUsers, PackageInstalledInfo res, UserHandle user, int installReason) { 16334 // Update the parent package setting 16335 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 16336 res, user, installReason); 16337 // Update the child packages setting 16338 final int childCount = (newPackage.childPackages != null) 16339 ? newPackage.childPackages.size() : 0; 16340 for (int i = 0; i < childCount; i++) { 16341 PackageParser.Package childPackage = newPackage.childPackages.get(i); 16342 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 16343 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 16344 childRes.origUsers, childRes, user, installReason); 16345 } 16346 } 16347 16348 private void updateSettingsInternalLI(PackageParser.Package pkg, 16349 String installerPackageName, int[] allUsers, int[] installedForUsers, 16350 PackageInstalledInfo res, UserHandle user, int installReason) { 16351 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 16352 16353 String pkgName = pkg.packageName; 16354 synchronized (mPackages) { 16355 //write settings. the installStatus will be incomplete at this stage. 16356 //note that the new package setting would have already been 16357 //added to mPackages. It hasn't been persisted yet. 16358 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 16359 // TODO: Remove this write? It's also written at the end of this method 16360 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 16361 mSettings.writeLPr(); 16362 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16363 } 16364 16365 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + pkg.codePath); 16366 synchronized (mPackages) { 16367// NOTE: This changes slightly to include UPDATE_PERMISSIONS_ALL regardless of the size of pkg.permissions 16368 mPermissionManager.updatePermissions(pkg.packageName, pkg, true, mPackages.values(), 16369 mPermissionCallback); 16370 // For system-bundled packages, we assume that installing an upgraded version 16371 // of the package implies that the user actually wants to run that new code, 16372 // so we enable the package. 16373 PackageSetting ps = mSettings.mPackages.get(pkgName); 16374 final int userId = user.getIdentifier(); 16375 if (ps != null) { 16376 if (isSystemApp(pkg)) { 16377 if (DEBUG_INSTALL) { 16378 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 16379 } 16380 // Enable system package for requested users 16381 if (res.origUsers != null) { 16382 for (int origUserId : res.origUsers) { 16383 if (userId == UserHandle.USER_ALL || userId == origUserId) { 16384 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 16385 origUserId, installerPackageName); 16386 } 16387 } 16388 } 16389 // Also convey the prior install/uninstall state 16390 if (allUsers != null && installedForUsers != null) { 16391 for (int currentUserId : allUsers) { 16392 final boolean installed = ArrayUtils.contains( 16393 installedForUsers, currentUserId); 16394 if (DEBUG_INSTALL) { 16395 Slog.d(TAG, " user " + currentUserId + " => " + installed); 16396 } 16397 ps.setInstalled(installed, currentUserId); 16398 } 16399 // these install state changes will be persisted in the 16400 // upcoming call to mSettings.writeLPr(). 16401 } 16402 } 16403 // It's implied that when a user requests installation, they want the app to be 16404 // installed and enabled. 16405 if (userId != UserHandle.USER_ALL) { 16406 ps.setInstalled(true, userId); 16407 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 16408 } 16409 16410 // When replacing an existing package, preserve the original install reason for all 16411 // users that had the package installed before. 16412 final Set<Integer> previousUserIds = new ArraySet<>(); 16413 if (res.removedInfo != null && res.removedInfo.installReasons != null) { 16414 final int installReasonCount = res.removedInfo.installReasons.size(); 16415 for (int i = 0; i < installReasonCount; i++) { 16416 final int previousUserId = res.removedInfo.installReasons.keyAt(i); 16417 final int previousInstallReason = res.removedInfo.installReasons.valueAt(i); 16418 ps.setInstallReason(previousInstallReason, previousUserId); 16419 previousUserIds.add(previousUserId); 16420 } 16421 } 16422 16423 // Set install reason for users that are having the package newly installed. 16424 if (userId == UserHandle.USER_ALL) { 16425 for (int currentUserId : sUserManager.getUserIds()) { 16426 if (!previousUserIds.contains(currentUserId)) { 16427 ps.setInstallReason(installReason, currentUserId); 16428 } 16429 } 16430 } else if (!previousUserIds.contains(userId)) { 16431 ps.setInstallReason(installReason, userId); 16432 } 16433 mSettings.writeKernelMappingLPr(ps); 16434 } 16435 res.name = pkgName; 16436 res.uid = pkg.applicationInfo.uid; 16437 res.pkg = pkg; 16438 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 16439 mSettings.setInstallerPackageName(pkgName, installerPackageName); 16440 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16441 //to update install status 16442 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 16443 mSettings.writeLPr(); 16444 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16445 } 16446 16447 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16448 } 16449 16450 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 16451 try { 16452 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 16453 installPackageLI(args, res); 16454 } finally { 16455 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16456 } 16457 } 16458 16459 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 16460 final int installFlags = args.installFlags; 16461 final String installerPackageName = args.installerPackageName; 16462 final String volumeUuid = args.volumeUuid; 16463 final File tmpPackageFile = new File(args.getCodePath()); 16464 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 16465 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 16466 || (args.volumeUuid != null)); 16467 final boolean instantApp = ((installFlags & PackageManager.INSTALL_INSTANT_APP) != 0); 16468 final boolean fullApp = ((installFlags & PackageManager.INSTALL_FULL_APP) != 0); 16469 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 16470 final boolean virtualPreload = 16471 ((installFlags & PackageManager.INSTALL_VIRTUAL_PRELOAD) != 0); 16472 boolean replace = false; 16473 @ScanFlags int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 16474 if (args.move != null) { 16475 // moving a complete application; perform an initial scan on the new install location 16476 scanFlags |= SCAN_INITIAL; 16477 } 16478 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 16479 scanFlags |= SCAN_DONT_KILL_APP; 16480 } 16481 if (instantApp) { 16482 scanFlags |= SCAN_AS_INSTANT_APP; 16483 } 16484 if (fullApp) { 16485 scanFlags |= SCAN_AS_FULL_APP; 16486 } 16487 if (virtualPreload) { 16488 scanFlags |= SCAN_AS_VIRTUAL_PRELOAD; 16489 } 16490 16491 // Result object to be returned 16492 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16493 res.installerPackageName = installerPackageName; 16494 16495 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 16496 16497 // Sanity check 16498 if (instantApp && (forwardLocked || onExternal)) { 16499 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 16500 + " external=" + onExternal); 16501 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 16502 return; 16503 } 16504 16505 // Retrieve PackageSettings and parse package 16506 @ParseFlags final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 16507 | PackageParser.PARSE_ENFORCE_CODE 16508 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 16509 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 16510 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 16511 PackageParser pp = new PackageParser(); 16512 pp.setSeparateProcesses(mSeparateProcesses); 16513 pp.setDisplayMetrics(mMetrics); 16514 pp.setCallback(mPackageParserCallback); 16515 16516 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 16517 final PackageParser.Package pkg; 16518 try { 16519 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 16520 DexMetadataHelper.validatePackageDexMetadata(pkg); 16521 } catch (PackageParserException e) { 16522 res.setError("Failed parse during installPackageLI", e); 16523 return; 16524 } finally { 16525 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16526 } 16527 16528 // App targetSdkVersion is below min supported version 16529 if (!forceSdk && pkg.applicationInfo.isTargetingDeprecatedSdkVersion()) { 16530 Slog.w(TAG, "App " + pkg.packageName + " targets deprecated sdk"); 16531 16532 res.setError(INSTALL_FAILED_NEWER_SDK, 16533 "App is targeting deprecated sdk (targetSdkVersion should be at least " 16534 + Build.VERSION.MIN_SUPPORTED_TARGET_SDK_INT + ")."); 16535 return; 16536 } 16537 16538 // Instant apps have several additional install-time checks. 16539 if (instantApp) { 16540 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.O) { 16541 Slog.w(TAG, 16542 "Instant app package " + pkg.packageName + " does not target at least O"); 16543 res.setError(INSTALL_FAILED_INSTANT_APP_INVALID, 16544 "Instant app package must target at least O"); 16545 return; 16546 } 16547 if (pkg.applicationInfo.targetSandboxVersion != 2) { 16548 Slog.w(TAG, "Instant app package " + pkg.packageName 16549 + " does not target targetSandboxVersion 2"); 16550 res.setError(INSTALL_FAILED_INSTANT_APP_INVALID, 16551 "Instant app package must use targetSandboxVersion 2"); 16552 return; 16553 } 16554 if (pkg.mSharedUserId != null) { 16555 Slog.w(TAG, "Instant app package " + pkg.packageName 16556 + " may not declare sharedUserId."); 16557 res.setError(INSTALL_FAILED_INSTANT_APP_INVALID, 16558 "Instant app package may not declare a sharedUserId"); 16559 return; 16560 } 16561 } 16562 16563 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16564 // Static shared libraries have synthetic package names 16565 renameStaticSharedLibraryPackage(pkg); 16566 16567 // No static shared libs on external storage 16568 if (onExternal) { 16569 Slog.i(TAG, "Static shared libs can only be installed on internal storage."); 16570 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 16571 "Packages declaring static-shared libs cannot be updated"); 16572 return; 16573 } 16574 } 16575 16576 // If we are installing a clustered package add results for the children 16577 if (pkg.childPackages != null) { 16578 synchronized (mPackages) { 16579 final int childCount = pkg.childPackages.size(); 16580 for (int i = 0; i < childCount; i++) { 16581 PackageParser.Package childPkg = pkg.childPackages.get(i); 16582 PackageInstalledInfo childRes = new PackageInstalledInfo(); 16583 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16584 childRes.pkg = childPkg; 16585 childRes.name = childPkg.packageName; 16586 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 16587 if (childPs != null) { 16588 childRes.origUsers = childPs.queryInstalledUsers( 16589 sUserManager.getUserIds(), true); 16590 } 16591 if ((mPackages.containsKey(childPkg.packageName))) { 16592 childRes.removedInfo = new PackageRemovedInfo(this); 16593 childRes.removedInfo.removedPackage = childPkg.packageName; 16594 childRes.removedInfo.installerPackageName = childPs.installerPackageName; 16595 } 16596 if (res.addedChildPackages == null) { 16597 res.addedChildPackages = new ArrayMap<>(); 16598 } 16599 res.addedChildPackages.put(childPkg.packageName, childRes); 16600 } 16601 } 16602 } 16603 16604 // If package doesn't declare API override, mark that we have an install 16605 // time CPU ABI override. 16606 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 16607 pkg.cpuAbiOverride = args.abiOverride; 16608 } 16609 16610 String pkgName = res.name = pkg.packageName; 16611 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 16612 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 16613 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 16614 return; 16615 } 16616 } 16617 16618 try { 16619 // either use what we've been given or parse directly from the APK 16620 if (args.signingDetails != PackageParser.SigningDetails.UNKNOWN) { 16621 pkg.setSigningDetails(args.signingDetails); 16622 } else { 16623 PackageParser.collectCertificates(pkg, parseFlags); 16624 } 16625 } catch (PackageParserException e) { 16626 res.setError("Failed collect during installPackageLI", e); 16627 return; 16628 } 16629 16630 if (instantApp && pkg.mSigningDetails.signatureSchemeVersion 16631 < SignatureSchemeVersion.SIGNING_BLOCK_V2) { 16632 Slog.w(TAG, "Instant app package " + pkg.packageName 16633 + " is not signed with at least APK Signature Scheme v2"); 16634 res.setError(INSTALL_FAILED_INSTANT_APP_INVALID, 16635 "Instant app package must be signed with APK Signature Scheme v2 or greater"); 16636 return; 16637 } 16638 16639 // Get rid of all references to package scan path via parser. 16640 pp = null; 16641 String oldCodePath = null; 16642 boolean systemApp = false; 16643 synchronized (mPackages) { 16644 // Check if installing already existing package 16645 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 16646 String oldName = mSettings.getRenamedPackageLPr(pkgName); 16647 if (pkg.mOriginalPackages != null 16648 && pkg.mOriginalPackages.contains(oldName) 16649 && mPackages.containsKey(oldName)) { 16650 // This package is derived from an original package, 16651 // and this device has been updating from that original 16652 // name. We must continue using the original name, so 16653 // rename the new package here. 16654 pkg.setPackageName(oldName); 16655 pkgName = pkg.packageName; 16656 replace = true; 16657 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 16658 + oldName + " pkgName=" + pkgName); 16659 } else if (mPackages.containsKey(pkgName)) { 16660 // This package, under its official name, already exists 16661 // on the device; we should replace it. 16662 replace = true; 16663 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 16664 } 16665 16666 // Child packages are installed through the parent package 16667 if (pkg.parentPackage != null) { 16668 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 16669 "Package " + pkg.packageName + " is child of package " 16670 + pkg.parentPackage.parentPackage + ". Child packages " 16671 + "can be updated only through the parent package."); 16672 return; 16673 } 16674 16675 if (replace) { 16676 // Prevent apps opting out from runtime permissions 16677 PackageParser.Package oldPackage = mPackages.get(pkgName); 16678 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 16679 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 16680 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 16681 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 16682 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 16683 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 16684 + " doesn't support runtime permissions but the old" 16685 + " target SDK " + oldTargetSdk + " does."); 16686 return; 16687 } 16688 // Prevent persistent apps from being updated 16689 if ((oldPackage.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0) { 16690 res.setError(PackageManager.INSTALL_FAILED_INVALID_APK, 16691 "Package " + oldPackage.packageName + " is a persistent app. " 16692 + "Persistent apps are not updateable."); 16693 return; 16694 } 16695 // Prevent apps from downgrading their targetSandbox. 16696 final int oldTargetSandbox = oldPackage.applicationInfo.targetSandboxVersion; 16697 final int newTargetSandbox = pkg.applicationInfo.targetSandboxVersion; 16698 if (oldTargetSandbox == 2 && newTargetSandbox != 2) { 16699 res.setError(PackageManager.INSTALL_FAILED_SANDBOX_VERSION_DOWNGRADE, 16700 "Package " + pkg.packageName + " new target sandbox " 16701 + newTargetSandbox + " is incompatible with the previous value of" 16702 + oldTargetSandbox + "."); 16703 return; 16704 } 16705 16706 // Prevent installing of child packages 16707 if (oldPackage.parentPackage != null) { 16708 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 16709 "Package " + pkg.packageName + " is child of package " 16710 + oldPackage.parentPackage + ". Child packages " 16711 + "can be updated only through the parent package."); 16712 return; 16713 } 16714 } 16715 } 16716 16717 PackageSetting ps = mSettings.mPackages.get(pkgName); 16718 if (ps != null) { 16719 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 16720 16721 // Static shared libs have same package with different versions where 16722 // we internally use a synthetic package name to allow multiple versions 16723 // of the same package, therefore we need to compare signatures against 16724 // the package setting for the latest library version. 16725 PackageSetting signatureCheckPs = ps; 16726 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16727 SharedLibraryEntry libraryEntry = getLatestSharedLibraVersionLPr(pkg); 16728 if (libraryEntry != null) { 16729 signatureCheckPs = mSettings.getPackageLPr(libraryEntry.apk); 16730 } 16731 } 16732 16733 // Quick sanity check that we're signed correctly if updating; 16734 // we'll check this again later when scanning, but we want to 16735 // bail early here before tripping over redefined permissions. 16736 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 16737 if (ksms.shouldCheckUpgradeKeySetLocked(signatureCheckPs, scanFlags)) { 16738 if (!ksms.checkUpgradeKeySetLocked(signatureCheckPs, pkg)) { 16739 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 16740 + pkg.packageName + " upgrade keys do not match the " 16741 + "previously installed version"); 16742 return; 16743 } 16744 } else { 16745 try { 16746 final boolean compareCompat = isCompatSignatureUpdateNeeded(pkg); 16747 final boolean compareRecover = isRecoverSignatureUpdateNeeded(pkg); 16748 // We don't care about disabledPkgSetting on install for now. 16749 final boolean compatMatch = verifySignatures( 16750 signatureCheckPs, null, pkg.mSigningDetails, compareCompat, 16751 compareRecover); 16752 // The new KeySets will be re-added later in the scanning process. 16753 if (compatMatch) { 16754 synchronized (mPackages) { 16755 ksms.removeAppKeySetDataLPw(pkg.packageName); 16756 } 16757 } 16758 } catch (PackageManagerException e) { 16759 res.setError(e.error, e.getMessage()); 16760 return; 16761 } 16762 } 16763 16764 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 16765 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 16766 systemApp = (ps.pkg.applicationInfo.flags & 16767 ApplicationInfo.FLAG_SYSTEM) != 0; 16768 } 16769 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 16770 } 16771 16772 int N = pkg.permissions.size(); 16773 for (int i = N-1; i >= 0; i--) { 16774 final PackageParser.Permission perm = pkg.permissions.get(i); 16775 final BasePermission bp = 16776 (BasePermission) mPermissionManager.getPermissionTEMP(perm.info.name); 16777 16778 // Don't allow anyone but the system to define ephemeral permissions. 16779 if ((perm.info.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTANT) != 0 16780 && !systemApp) { 16781 Slog.w(TAG, "Non-System package " + pkg.packageName 16782 + " attempting to delcare ephemeral permission " 16783 + perm.info.name + "; Removing ephemeral."); 16784 perm.info.protectionLevel &= ~PermissionInfo.PROTECTION_FLAG_INSTANT; 16785 } 16786 16787 // Check whether the newly-scanned package wants to define an already-defined perm 16788 if (bp != null) { 16789 // If the defining package is signed with our cert, it's okay. This 16790 // also includes the "updating the same package" case, of course. 16791 // "updating same package" could also involve key-rotation. 16792 final boolean sigsOk; 16793 final String sourcePackageName = bp.getSourcePackageName(); 16794 final PackageSettingBase sourcePackageSetting = bp.getSourcePackageSetting(); 16795 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 16796 if (sourcePackageName.equals(pkg.packageName) 16797 && (ksms.shouldCheckUpgradeKeySetLocked( 16798 sourcePackageSetting, scanFlags))) { 16799 sigsOk = ksms.checkUpgradeKeySetLocked(sourcePackageSetting, pkg); 16800 } else { 16801 sigsOk = compareSignatures(sourcePackageSetting.signatures.mSignatures, 16802 pkg.mSigningDetails.signatures) == PackageManager.SIGNATURE_MATCH; 16803 } 16804 if (!sigsOk) { 16805 // If the owning package is the system itself, we log but allow 16806 // install to proceed; we fail the install on all other permission 16807 // redefinitions. 16808 if (!sourcePackageName.equals("android")) { 16809 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 16810 + pkg.packageName + " attempting to redeclare permission " 16811 + perm.info.name + " already owned by " + sourcePackageName); 16812 res.origPermission = perm.info.name; 16813 res.origPackage = sourcePackageName; 16814 return; 16815 } else { 16816 Slog.w(TAG, "Package " + pkg.packageName 16817 + " attempting to redeclare system permission " 16818 + perm.info.name + "; ignoring new declaration"); 16819 pkg.permissions.remove(i); 16820 } 16821 } else if (!PLATFORM_PACKAGE_NAME.equals(pkg.packageName)) { 16822 // Prevent apps to change protection level to dangerous from any other 16823 // type as this would allow a privilege escalation where an app adds a 16824 // normal/signature permission in other app's group and later redefines 16825 // it as dangerous leading to the group auto-grant. 16826 if ((perm.info.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE) 16827 == PermissionInfo.PROTECTION_DANGEROUS) { 16828 if (bp != null && !bp.isRuntime()) { 16829 Slog.w(TAG, "Package " + pkg.packageName + " trying to change a " 16830 + "non-runtime permission " + perm.info.name 16831 + " to runtime; keeping old protection level"); 16832 perm.info.protectionLevel = bp.getProtectionLevel(); 16833 } 16834 } 16835 } 16836 } 16837 } 16838 } 16839 16840 if (systemApp) { 16841 if (onExternal) { 16842 // Abort update; system app can't be replaced with app on sdcard 16843 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 16844 "Cannot install updates to system apps on sdcard"); 16845 return; 16846 } else if (instantApp) { 16847 // Abort update; system app can't be replaced with an instant app 16848 res.setError(INSTALL_FAILED_INSTANT_APP_INVALID, 16849 "Cannot update a system app with an instant app"); 16850 return; 16851 } 16852 } 16853 16854 if (args.move != null) { 16855 // We did an in-place move, so dex is ready to roll 16856 scanFlags |= SCAN_NO_DEX; 16857 scanFlags |= SCAN_MOVE; 16858 16859 synchronized (mPackages) { 16860 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16861 if (ps == null) { 16862 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 16863 "Missing settings for moved package " + pkgName); 16864 } 16865 16866 // We moved the entire application as-is, so bring over the 16867 // previously derived ABI information. 16868 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 16869 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 16870 } 16871 16872 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 16873 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 16874 scanFlags |= SCAN_NO_DEX; 16875 16876 try { 16877 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 16878 args.abiOverride : pkg.cpuAbiOverride); 16879 final boolean extractNativeLibs = !pkg.isLibrary(); 16880 derivePackageAbi(pkg, abiOverride, extractNativeLibs); 16881 } catch (PackageManagerException pme) { 16882 Slog.e(TAG, "Error deriving application ABI", pme); 16883 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 16884 return; 16885 } 16886 16887 // Shared libraries for the package need to be updated. 16888 synchronized (mPackages) { 16889 try { 16890 updateSharedLibrariesLPr(pkg, null); 16891 } catch (PackageManagerException e) { 16892 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 16893 } 16894 } 16895 } 16896 16897 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 16898 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 16899 return; 16900 } 16901 16902 if (!instantApp) { 16903 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 16904 } else { 16905 if (DEBUG_DOMAIN_VERIFICATION) { 16906 Slog.d(TAG, "Not verifying instant app install for app links: " + pkgName); 16907 } 16908 } 16909 16910 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 16911 "installPackageLI")) { 16912 if (replace) { 16913 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16914 // Static libs have a synthetic package name containing the version 16915 // and cannot be updated as an update would get a new package name, 16916 // unless this is the exact same version code which is useful for 16917 // development. 16918 PackageParser.Package existingPkg = mPackages.get(pkg.packageName); 16919 if (existingPkg != null && 16920 existingPkg.getLongVersionCode() != pkg.getLongVersionCode()) { 16921 res.setError(INSTALL_FAILED_DUPLICATE_PACKAGE, "Packages declaring " 16922 + "static-shared libs cannot be updated"); 16923 return; 16924 } 16925 } 16926 replacePackageLIF(pkg, parseFlags, scanFlags, args.user, 16927 installerPackageName, res, args.installReason); 16928 } else { 16929 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 16930 args.user, installerPackageName, volumeUuid, res, args.installReason); 16931 } 16932 } 16933 16934 // Check whether we need to dexopt the app. 16935 // 16936 // NOTE: it is IMPORTANT to call dexopt: 16937 // - after doRename which will sync the package data from PackageParser.Package and its 16938 // corresponding ApplicationInfo. 16939 // - after installNewPackageLIF or replacePackageLIF which will update result with the 16940 // uid of the application (pkg.applicationInfo.uid). 16941 // This update happens in place! 16942 // 16943 // We only need to dexopt if the package meets ALL of the following conditions: 16944 // 1) it is not forward locked. 16945 // 2) it is not on on an external ASEC container. 16946 // 3) it is not an instant app or if it is then dexopt is enabled via gservices. 16947 // 16948 // Note that we do not dexopt instant apps by default. dexopt can take some time to 16949 // complete, so we skip this step during installation. Instead, we'll take extra time 16950 // the first time the instant app starts. It's preferred to do it this way to provide 16951 // continuous progress to the useur instead of mysteriously blocking somewhere in the 16952 // middle of running an instant app. The default behaviour can be overridden 16953 // via gservices. 16954 final boolean performDexopt = (res.returnCode == PackageManager.INSTALL_SUCCEEDED) 16955 && !forwardLocked 16956 && !pkg.applicationInfo.isExternalAsec() 16957 && (!instantApp || Global.getInt(mContext.getContentResolver(), 16958 Global.INSTANT_APP_DEXOPT_ENABLED, 0) != 0); 16959 16960 if (performDexopt) { 16961 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 16962 // Do not run PackageDexOptimizer through the local performDexOpt 16963 // method because `pkg` may not be in `mPackages` yet. 16964 // 16965 // Also, don't fail application installs if the dexopt step fails. 16966 DexoptOptions dexoptOptions = new DexoptOptions(pkg.packageName, 16967 REASON_INSTALL, 16968 DexoptOptions.DEXOPT_BOOT_COMPLETE); 16969 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 16970 null /* instructionSets */, 16971 getOrCreateCompilerPackageStats(pkg), 16972 mDexManager.getPackageUseInfoOrDefault(pkg.packageName), 16973 dexoptOptions); 16974 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16975 } 16976 16977 // Notify BackgroundDexOptService that the package has been changed. 16978 // If this is an update of a package which used to fail to compile, 16979 // BackgroundDexOptService will remove it from its blacklist. 16980 // TODO: Layering violation 16981 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 16982 16983 synchronized (mPackages) { 16984 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16985 if (ps != null) { 16986 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 16987 ps.setUpdateAvailable(false /*updateAvailable*/); 16988 } 16989 16990 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16991 for (int i = 0; i < childCount; i++) { 16992 PackageParser.Package childPkg = pkg.childPackages.get(i); 16993 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 16994 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 16995 if (childPs != null) { 16996 childRes.newUsers = childPs.queryInstalledUsers( 16997 sUserManager.getUserIds(), true); 16998 } 16999 } 17000 17001 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 17002 updateSequenceNumberLP(ps, res.newUsers); 17003 updateInstantAppInstallerLocked(pkgName); 17004 } 17005 } 17006 } 17007 17008 private void startIntentFilterVerifications(int userId, boolean replacing, 17009 PackageParser.Package pkg) { 17010 if (mIntentFilterVerifierComponent == null) { 17011 Slog.w(TAG, "No IntentFilter verification will not be done as " 17012 + "there is no IntentFilterVerifier available!"); 17013 return; 17014 } 17015 17016 final int verifierUid = getPackageUid( 17017 mIntentFilterVerifierComponent.getPackageName(), 17018 MATCH_DEBUG_TRIAGED_MISSING, 17019 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 17020 17021 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 17022 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 17023 mHandler.sendMessage(msg); 17024 17025 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 17026 for (int i = 0; i < childCount; i++) { 17027 PackageParser.Package childPkg = pkg.childPackages.get(i); 17028 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 17029 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 17030 mHandler.sendMessage(msg); 17031 } 17032 } 17033 17034 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 17035 PackageParser.Package pkg) { 17036 int size = pkg.activities.size(); 17037 if (size == 0) { 17038 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 17039 "No activity, so no need to verify any IntentFilter!"); 17040 return; 17041 } 17042 17043 final boolean hasDomainURLs = hasDomainURLs(pkg); 17044 if (!hasDomainURLs) { 17045 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 17046 "No domain URLs, so no need to verify any IntentFilter!"); 17047 return; 17048 } 17049 17050 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 17051 + " if any IntentFilter from the " + size 17052 + " Activities needs verification ..."); 17053 17054 int count = 0; 17055 final String packageName = pkg.packageName; 17056 17057 synchronized (mPackages) { 17058 // If this is a new install and we see that we've already run verification for this 17059 // package, we have nothing to do: it means the state was restored from backup. 17060 if (!replacing) { 17061 IntentFilterVerificationInfo ivi = 17062 mSettings.getIntentFilterVerificationLPr(packageName); 17063 if (ivi != null) { 17064 if (DEBUG_DOMAIN_VERIFICATION) { 17065 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 17066 + ivi.getStatusString()); 17067 } 17068 return; 17069 } 17070 } 17071 17072 // If any filters need to be verified, then all need to be. 17073 boolean needToVerify = false; 17074 for (PackageParser.Activity a : pkg.activities) { 17075 for (ActivityIntentInfo filter : a.intents) { 17076 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 17077 if (DEBUG_DOMAIN_VERIFICATION) { 17078 Slog.d(TAG, 17079 "Intent filter needs verification, so processing all filters"); 17080 } 17081 needToVerify = true; 17082 break; 17083 } 17084 } 17085 } 17086 17087 if (needToVerify) { 17088 final int verificationId = mIntentFilterVerificationToken++; 17089 for (PackageParser.Activity a : pkg.activities) { 17090 for (ActivityIntentInfo filter : a.intents) { 17091 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 17092 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 17093 "Verification needed for IntentFilter:" + filter.toString()); 17094 mIntentFilterVerifier.addOneIntentFilterVerification( 17095 verifierUid, userId, verificationId, filter, packageName); 17096 count++; 17097 } 17098 } 17099 } 17100 } 17101 } 17102 17103 if (count > 0) { 17104 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 17105 + " IntentFilter verification" + (count > 1 ? "s" : "") 17106 + " for userId:" + userId); 17107 mIntentFilterVerifier.startVerifications(userId); 17108 } else { 17109 if (DEBUG_DOMAIN_VERIFICATION) { 17110 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 17111 } 17112 } 17113 } 17114 17115 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 17116 final ComponentName cn = filter.activity.getComponentName(); 17117 final String packageName = cn.getPackageName(); 17118 17119 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 17120 packageName); 17121 if (ivi == null) { 17122 return true; 17123 } 17124 int status = ivi.getStatus(); 17125 switch (status) { 17126 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 17127 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 17128 return true; 17129 17130 default: 17131 // Nothing to do 17132 return false; 17133 } 17134 } 17135 17136 private static boolean isMultiArch(ApplicationInfo info) { 17137 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 17138 } 17139 17140 private static boolean isExternal(PackageParser.Package pkg) { 17141 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 17142 } 17143 17144 private static boolean isExternal(PackageSetting ps) { 17145 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 17146 } 17147 17148 private static boolean isSystemApp(PackageParser.Package pkg) { 17149 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 17150 } 17151 17152 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 17153 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 17154 } 17155 17156 private static boolean isOemApp(PackageParser.Package pkg) { 17157 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_OEM) != 0; 17158 } 17159 17160 private static boolean isVendorApp(PackageParser.Package pkg) { 17161 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_VENDOR) != 0; 17162 } 17163 17164 private static boolean hasDomainURLs(PackageParser.Package pkg) { 17165 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 17166 } 17167 17168 private static boolean isSystemApp(PackageSetting ps) { 17169 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 17170 } 17171 17172 private static boolean isUpdatedSystemApp(PackageSetting ps) { 17173 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 17174 } 17175 17176 private int packageFlagsToInstallFlags(PackageSetting ps) { 17177 int installFlags = 0; 17178 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 17179 // This existing package was an external ASEC install when we have 17180 // the external flag without a UUID 17181 installFlags |= PackageManager.INSTALL_EXTERNAL; 17182 } 17183 if (ps.isForwardLocked()) { 17184 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 17185 } 17186 return installFlags; 17187 } 17188 17189 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 17190 if (isExternal(pkg)) { 17191 if (TextUtils.isEmpty(pkg.volumeUuid)) { 17192 return mSettings.getExternalVersion(); 17193 } else { 17194 return mSettings.findOrCreateVersion(pkg.volumeUuid); 17195 } 17196 } else { 17197 return mSettings.getInternalVersion(); 17198 } 17199 } 17200 17201 private void deleteTempPackageFiles() { 17202 final FilenameFilter filter = new FilenameFilter() { 17203 public boolean accept(File dir, String name) { 17204 return name.startsWith("vmdl") && name.endsWith(".tmp"); 17205 } 17206 }; 17207 for (File file : sDrmAppPrivateInstallDir.listFiles(filter)) { 17208 file.delete(); 17209 } 17210 } 17211 17212 @Override 17213 public void deletePackageAsUser(String packageName, int versionCode, 17214 IPackageDeleteObserver observer, int userId, int flags) { 17215 deletePackageVersioned(new VersionedPackage(packageName, versionCode), 17216 new LegacyPackageDeleteObserver(observer).getBinder(), userId, flags); 17217 } 17218 17219 @Override 17220 public void deletePackageVersioned(VersionedPackage versionedPackage, 17221 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 17222 final int callingUid = Binder.getCallingUid(); 17223 mContext.enforceCallingOrSelfPermission( 17224 android.Manifest.permission.DELETE_PACKAGES, null); 17225 final boolean canViewInstantApps = canViewInstantApps(callingUid, userId); 17226 Preconditions.checkNotNull(versionedPackage); 17227 Preconditions.checkNotNull(observer); 17228 Preconditions.checkArgumentInRange(versionedPackage.getLongVersionCode(), 17229 PackageManager.VERSION_CODE_HIGHEST, 17230 Long.MAX_VALUE, "versionCode must be >= -1"); 17231 17232 final String packageName = versionedPackage.getPackageName(); 17233 final long versionCode = versionedPackage.getLongVersionCode(); 17234 final String internalPackageName; 17235 synchronized (mPackages) { 17236 // Normalize package name to handle renamed packages and static libs 17237 internalPackageName = resolveInternalPackageNameLPr(packageName, versionCode); 17238 } 17239 17240 final int uid = Binder.getCallingUid(); 17241 if (!isOrphaned(internalPackageName) 17242 && !isCallerAllowedToSilentlyUninstall(uid, internalPackageName)) { 17243 try { 17244 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 17245 intent.setData(Uri.fromParts(PACKAGE_SCHEME, packageName, null)); 17246 intent.putExtra(PackageInstaller.EXTRA_CALLBACK, observer.asBinder()); 17247 observer.onUserActionRequired(intent); 17248 } catch (RemoteException re) { 17249 } 17250 return; 17251 } 17252 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 17253 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 17254 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 17255 mContext.enforceCallingOrSelfPermission( 17256 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 17257 "deletePackage for user " + userId); 17258 } 17259 17260 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 17261 try { 17262 observer.onPackageDeleted(packageName, 17263 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 17264 } catch (RemoteException re) { 17265 } 17266 return; 17267 } 17268 17269 if (!deleteAllUsers && getBlockUninstallForUser(internalPackageName, userId)) { 17270 try { 17271 observer.onPackageDeleted(packageName, 17272 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 17273 } catch (RemoteException re) { 17274 } 17275 return; 17276 } 17277 17278 if (DEBUG_REMOVE) { 17279 Slog.d(TAG, "deletePackageAsUser: pkg=" + internalPackageName + " user=" + userId 17280 + " deleteAllUsers: " + deleteAllUsers + " version=" 17281 + (versionCode == PackageManager.VERSION_CODE_HIGHEST 17282 ? "VERSION_CODE_HIGHEST" : versionCode)); 17283 } 17284 // Queue up an async operation since the package deletion may take a little while. 17285 mHandler.post(new Runnable() { 17286 public void run() { 17287 mHandler.removeCallbacks(this); 17288 int returnCode; 17289 final PackageSetting ps = mSettings.mPackages.get(internalPackageName); 17290 boolean doDeletePackage = true; 17291 if (ps != null) { 17292 final boolean targetIsInstantApp = 17293 ps.getInstantApp(UserHandle.getUserId(callingUid)); 17294 doDeletePackage = !targetIsInstantApp 17295 || canViewInstantApps; 17296 } 17297 if (doDeletePackage) { 17298 if (!deleteAllUsers) { 17299 returnCode = deletePackageX(internalPackageName, versionCode, 17300 userId, deleteFlags); 17301 } else { 17302 int[] blockUninstallUserIds = getBlockUninstallForUsers( 17303 internalPackageName, users); 17304 // If nobody is blocking uninstall, proceed with delete for all users 17305 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 17306 returnCode = deletePackageX(internalPackageName, versionCode, 17307 userId, deleteFlags); 17308 } else { 17309 // Otherwise uninstall individually for users with blockUninstalls=false 17310 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 17311 for (int userId : users) { 17312 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 17313 returnCode = deletePackageX(internalPackageName, versionCode, 17314 userId, userFlags); 17315 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 17316 Slog.w(TAG, "Package delete failed for user " + userId 17317 + ", returnCode " + returnCode); 17318 } 17319 } 17320 } 17321 // The app has only been marked uninstalled for certain users. 17322 // We still need to report that delete was blocked 17323 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 17324 } 17325 } 17326 } else { 17327 returnCode = PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17328 } 17329 try { 17330 observer.onPackageDeleted(packageName, returnCode, null); 17331 } catch (RemoteException e) { 17332 Log.i(TAG, "Observer no longer exists."); 17333 } //end catch 17334 } //end run 17335 }); 17336 } 17337 17338 private String resolveExternalPackageNameLPr(PackageParser.Package pkg) { 17339 if (pkg.staticSharedLibName != null) { 17340 return pkg.manifestPackageName; 17341 } 17342 return pkg.packageName; 17343 } 17344 17345 private String resolveInternalPackageNameLPr(String packageName, long versionCode) { 17346 // Handle renamed packages 17347 String normalizedPackageName = mSettings.getRenamedPackageLPr(packageName); 17348 packageName = normalizedPackageName != null ? normalizedPackageName : packageName; 17349 17350 // Is this a static library? 17351 LongSparseArray<SharedLibraryEntry> versionedLib = 17352 mStaticLibsByDeclaringPackage.get(packageName); 17353 if (versionedLib == null || versionedLib.size() <= 0) { 17354 return packageName; 17355 } 17356 17357 // Figure out which lib versions the caller can see 17358 LongSparseLongArray versionsCallerCanSee = null; 17359 final int callingAppId = UserHandle.getAppId(Binder.getCallingUid()); 17360 if (callingAppId != Process.SYSTEM_UID && callingAppId != Process.SHELL_UID 17361 && callingAppId != Process.ROOT_UID) { 17362 versionsCallerCanSee = new LongSparseLongArray(); 17363 String libName = versionedLib.valueAt(0).info.getName(); 17364 String[] uidPackages = getPackagesForUid(Binder.getCallingUid()); 17365 if (uidPackages != null) { 17366 for (String uidPackage : uidPackages) { 17367 PackageSetting ps = mSettings.getPackageLPr(uidPackage); 17368 final int libIdx = ArrayUtils.indexOf(ps.usesStaticLibraries, libName); 17369 if (libIdx >= 0) { 17370 final long libVersion = ps.usesStaticLibrariesVersions[libIdx]; 17371 versionsCallerCanSee.append(libVersion, libVersion); 17372 } 17373 } 17374 } 17375 } 17376 17377 // Caller can see nothing - done 17378 if (versionsCallerCanSee != null && versionsCallerCanSee.size() <= 0) { 17379 return packageName; 17380 } 17381 17382 // Find the version the caller can see and the app version code 17383 SharedLibraryEntry highestVersion = null; 17384 final int versionCount = versionedLib.size(); 17385 for (int i = 0; i < versionCount; i++) { 17386 SharedLibraryEntry libEntry = versionedLib.valueAt(i); 17387 if (versionsCallerCanSee != null && versionsCallerCanSee.indexOfKey( 17388 libEntry.info.getLongVersion()) < 0) { 17389 continue; 17390 } 17391 final long libVersionCode = libEntry.info.getDeclaringPackage().getLongVersionCode(); 17392 if (versionCode != PackageManager.VERSION_CODE_HIGHEST) { 17393 if (libVersionCode == versionCode) { 17394 return libEntry.apk; 17395 } 17396 } else if (highestVersion == null) { 17397 highestVersion = libEntry; 17398 } else if (libVersionCode > highestVersion.info 17399 .getDeclaringPackage().getLongVersionCode()) { 17400 highestVersion = libEntry; 17401 } 17402 } 17403 17404 if (highestVersion != null) { 17405 return highestVersion.apk; 17406 } 17407 17408 return packageName; 17409 } 17410 17411 boolean isCallerVerifier(int callingUid) { 17412 final int callingUserId = UserHandle.getUserId(callingUid); 17413 return mRequiredVerifierPackage != null && 17414 callingUid == getPackageUid(mRequiredVerifierPackage, 0, callingUserId); 17415 } 17416 17417 private boolean isCallerAllowedToSilentlyUninstall(int callingUid, String pkgName) { 17418 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID 17419 || UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17420 return true; 17421 } 17422 final int callingUserId = UserHandle.getUserId(callingUid); 17423 // If the caller installed the pkgName, then allow it to silently uninstall. 17424 if (callingUid == getPackageUid(getInstallerPackageName(pkgName), 0, callingUserId)) { 17425 return true; 17426 } 17427 17428 // Allow package verifier to silently uninstall. 17429 if (mRequiredVerifierPackage != null && 17430 callingUid == getPackageUid(mRequiredVerifierPackage, 0, callingUserId)) { 17431 return true; 17432 } 17433 17434 // Allow package uninstaller to silently uninstall. 17435 if (mRequiredUninstallerPackage != null && 17436 callingUid == getPackageUid(mRequiredUninstallerPackage, 0, callingUserId)) { 17437 return true; 17438 } 17439 17440 // Allow storage manager to silently uninstall. 17441 if (mStorageManagerPackage != null && 17442 callingUid == getPackageUid(mStorageManagerPackage, 0, callingUserId)) { 17443 return true; 17444 } 17445 17446 // Allow caller having MANAGE_PROFILE_AND_DEVICE_OWNERS permission to silently 17447 // uninstall for device owner provisioning. 17448 if (checkUidPermission(MANAGE_PROFILE_AND_DEVICE_OWNERS, callingUid) 17449 == PERMISSION_GRANTED) { 17450 return true; 17451 } 17452 17453 return false; 17454 } 17455 17456 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 17457 int[] result = EMPTY_INT_ARRAY; 17458 for (int userId : userIds) { 17459 if (getBlockUninstallForUser(packageName, userId)) { 17460 result = ArrayUtils.appendInt(result, userId); 17461 } 17462 } 17463 return result; 17464 } 17465 17466 @Override 17467 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 17468 final int callingUid = Binder.getCallingUid(); 17469 if (getInstantAppPackageName(callingUid) != null 17470 && !isCallerSameApp(packageName, callingUid)) { 17471 return false; 17472 } 17473 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 17474 } 17475 17476 private boolean isPackageDeviceAdmin(String packageName, int userId) { 17477 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 17478 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 17479 try { 17480 if (dpm != null) { 17481 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 17482 /* callingUserOnly =*/ false); 17483 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 17484 : deviceOwnerComponentName.getPackageName(); 17485 // Does the package contains the device owner? 17486 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 17487 // this check is probably not needed, since DO should be registered as a device 17488 // admin on some user too. (Original bug for this: b/17657954) 17489 if (packageName.equals(deviceOwnerPackageName)) { 17490 return true; 17491 } 17492 // Does it contain a device admin for any user? 17493 int[] users; 17494 if (userId == UserHandle.USER_ALL) { 17495 users = sUserManager.getUserIds(); 17496 } else { 17497 users = new int[]{userId}; 17498 } 17499 for (int i = 0; i < users.length; ++i) { 17500 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 17501 return true; 17502 } 17503 } 17504 } 17505 } catch (RemoteException e) { 17506 } 17507 return false; 17508 } 17509 17510 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 17511 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 17512 } 17513 17514 /** 17515 * This method is an internal method that could be get invoked either 17516 * to delete an installed package or to clean up a failed installation. 17517 * After deleting an installed package, a broadcast is sent to notify any 17518 * listeners that the package has been removed. For cleaning up a failed 17519 * installation, the broadcast is not necessary since the package's 17520 * installation wouldn't have sent the initial broadcast either 17521 * The key steps in deleting a package are 17522 * deleting the package information in internal structures like mPackages, 17523 * deleting the packages base directories through installd 17524 * updating mSettings to reflect current status 17525 * persisting settings for later use 17526 * sending a broadcast if necessary 17527 */ 17528 int deletePackageX(String packageName, long versionCode, int userId, int deleteFlags) { 17529 final PackageRemovedInfo info = new PackageRemovedInfo(this); 17530 final boolean res; 17531 17532 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 17533 ? UserHandle.USER_ALL : userId; 17534 17535 if (isPackageDeviceAdmin(packageName, removeUser)) { 17536 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 17537 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 17538 } 17539 17540 PackageSetting uninstalledPs = null; 17541 PackageParser.Package pkg = null; 17542 17543 // for the uninstall-updates case and restricted profiles, remember the per- 17544 // user handle installed state 17545 int[] allUsers; 17546 synchronized (mPackages) { 17547 uninstalledPs = mSettings.mPackages.get(packageName); 17548 if (uninstalledPs == null) { 17549 Slog.w(TAG, "Not removing non-existent package " + packageName); 17550 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17551 } 17552 17553 if (versionCode != PackageManager.VERSION_CODE_HIGHEST 17554 && uninstalledPs.versionCode != versionCode) { 17555 Slog.w(TAG, "Not removing package " + packageName + " with versionCode " 17556 + uninstalledPs.versionCode + " != " + versionCode); 17557 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17558 } 17559 17560 // Static shared libs can be declared by any package, so let us not 17561 // allow removing a package if it provides a lib others depend on. 17562 pkg = mPackages.get(packageName); 17563 17564 allUsers = sUserManager.getUserIds(); 17565 17566 if (pkg != null && pkg.staticSharedLibName != null) { 17567 SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(pkg.staticSharedLibName, 17568 pkg.staticSharedLibVersion); 17569 if (libEntry != null) { 17570 for (int currUserId : allUsers) { 17571 if (removeUser != UserHandle.USER_ALL && removeUser != currUserId) { 17572 continue; 17573 } 17574 List<VersionedPackage> libClientPackages = getPackagesUsingSharedLibraryLPr( 17575 libEntry.info, 0, currUserId); 17576 if (!ArrayUtils.isEmpty(libClientPackages)) { 17577 Slog.w(TAG, "Not removing package " + pkg.manifestPackageName 17578 + " hosting lib " + libEntry.info.getName() + " version " 17579 + libEntry.info.getLongVersion() + " used by " + libClientPackages 17580 + " for user " + currUserId); 17581 return PackageManager.DELETE_FAILED_USED_SHARED_LIBRARY; 17582 } 17583 } 17584 } 17585 } 17586 17587 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 17588 } 17589 17590 final int freezeUser; 17591 if (isUpdatedSystemApp(uninstalledPs) 17592 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 17593 // We're downgrading a system app, which will apply to all users, so 17594 // freeze them all during the downgrade 17595 freezeUser = UserHandle.USER_ALL; 17596 } else { 17597 freezeUser = removeUser; 17598 } 17599 17600 synchronized (mInstallLock) { 17601 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 17602 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 17603 deleteFlags, "deletePackageX")) { 17604 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 17605 deleteFlags | PackageManager.DELETE_CHATTY, info, true, null); 17606 } 17607 synchronized (mPackages) { 17608 if (res) { 17609 if (pkg != null) { 17610 mInstantAppRegistry.onPackageUninstalledLPw(pkg, info.removedUsers); 17611 } 17612 updateSequenceNumberLP(uninstalledPs, info.removedUsers); 17613 updateInstantAppInstallerLocked(packageName); 17614 } 17615 } 17616 } 17617 17618 if (res) { 17619 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 17620 info.sendPackageRemovedBroadcasts(killApp); 17621 info.sendSystemPackageUpdatedBroadcasts(); 17622 info.sendSystemPackageAppearedBroadcasts(); 17623 } 17624 // Force a gc here. 17625 Runtime.getRuntime().gc(); 17626 // Delete the resources here after sending the broadcast to let 17627 // other processes clean up before deleting resources. 17628 if (info.args != null) { 17629 synchronized (mInstallLock) { 17630 info.args.doPostDeleteLI(true); 17631 } 17632 } 17633 17634 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17635 } 17636 17637 static class PackageRemovedInfo { 17638 final PackageSender packageSender; 17639 String removedPackage; 17640 String installerPackageName; 17641 int uid = -1; 17642 int removedAppId = -1; 17643 int[] origUsers; 17644 int[] removedUsers = null; 17645 int[] broadcastUsers = null; 17646 int[] instantUserIds = null; 17647 SparseArray<Integer> installReasons; 17648 boolean isRemovedPackageSystemUpdate = false; 17649 boolean isUpdate; 17650 boolean dataRemoved; 17651 boolean removedForAllUsers; 17652 boolean isStaticSharedLib; 17653 // Clean up resources deleted packages. 17654 InstallArgs args = null; 17655 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 17656 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 17657 17658 PackageRemovedInfo(PackageSender packageSender) { 17659 this.packageSender = packageSender; 17660 } 17661 17662 void sendPackageRemovedBroadcasts(boolean killApp) { 17663 sendPackageRemovedBroadcastInternal(killApp); 17664 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 17665 for (int i = 0; i < childCount; i++) { 17666 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 17667 childInfo.sendPackageRemovedBroadcastInternal(killApp); 17668 } 17669 } 17670 17671 void sendSystemPackageUpdatedBroadcasts() { 17672 if (isRemovedPackageSystemUpdate) { 17673 sendSystemPackageUpdatedBroadcastsInternal(); 17674 final int childCount = (removedChildPackages != null) 17675 ? removedChildPackages.size() : 0; 17676 for (int i = 0; i < childCount; i++) { 17677 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 17678 if (childInfo.isRemovedPackageSystemUpdate) { 17679 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 17680 } 17681 } 17682 } 17683 } 17684 17685 void sendSystemPackageAppearedBroadcasts() { 17686 final int packageCount = (appearedChildPackages != null) 17687 ? appearedChildPackages.size() : 0; 17688 for (int i = 0; i < packageCount; i++) { 17689 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 17690 packageSender.sendPackageAddedForNewUsers(installedInfo.name, 17691 true /*sendBootCompleted*/, false /*startReceiver*/, 17692 UserHandle.getAppId(installedInfo.uid), installedInfo.newUsers, null); 17693 } 17694 } 17695 17696 private void sendSystemPackageUpdatedBroadcastsInternal() { 17697 Bundle extras = new Bundle(2); 17698 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 17699 extras.putBoolean(Intent.EXTRA_REPLACING, true); 17700 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 17701 removedPackage, extras, 0, null /*targetPackage*/, null, null, null); 17702 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 17703 removedPackage, extras, 0, null /*targetPackage*/, null, null, null); 17704 packageSender.sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 17705 null, null, 0, removedPackage, null, null, null); 17706 if (installerPackageName != null) { 17707 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 17708 removedPackage, extras, 0 /*flags*/, 17709 installerPackageName, null, null, null); 17710 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 17711 removedPackage, extras, 0 /*flags*/, 17712 installerPackageName, null, null, null); 17713 } 17714 } 17715 17716 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 17717 // Don't send static shared library removal broadcasts as these 17718 // libs are visible only the the apps that depend on them an one 17719 // cannot remove the library if it has a dependency. 17720 if (isStaticSharedLib) { 17721 return; 17722 } 17723 Bundle extras = new Bundle(2); 17724 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 17725 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 17726 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 17727 if (isUpdate || isRemovedPackageSystemUpdate) { 17728 extras.putBoolean(Intent.EXTRA_REPLACING, true); 17729 } 17730 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 17731 if (removedPackage != null) { 17732 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, 17733 removedPackage, extras, 0, null /*targetPackage*/, null, 17734 broadcastUsers, instantUserIds); 17735 if (installerPackageName != null) { 17736 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, 17737 removedPackage, extras, 0 /*flags*/, 17738 installerPackageName, null, broadcastUsers, instantUserIds); 17739 } 17740 if (dataRemoved && !isRemovedPackageSystemUpdate) { 17741 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 17742 removedPackage, extras, 17743 Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND, 17744 null, null, broadcastUsers, instantUserIds); 17745 packageSender.notifyPackageRemoved(removedPackage); 17746 } 17747 } 17748 if (removedAppId >= 0) { 17749 packageSender.sendPackageBroadcast(Intent.ACTION_UID_REMOVED, 17750 null, extras, Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND, 17751 null, null, broadcastUsers, instantUserIds); 17752 } 17753 } 17754 17755 void populateUsers(int[] userIds, PackageSetting deletedPackageSetting) { 17756 removedUsers = userIds; 17757 if (removedUsers == null) { 17758 broadcastUsers = null; 17759 return; 17760 } 17761 17762 broadcastUsers = EMPTY_INT_ARRAY; 17763 instantUserIds = EMPTY_INT_ARRAY; 17764 for (int i = userIds.length - 1; i >= 0; --i) { 17765 final int userId = userIds[i]; 17766 if (deletedPackageSetting.getInstantApp(userId)) { 17767 instantUserIds = ArrayUtils.appendInt(instantUserIds, userId); 17768 } else { 17769 broadcastUsers = ArrayUtils.appendInt(broadcastUsers, userId); 17770 } 17771 } 17772 } 17773 } 17774 17775 /* 17776 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 17777 * flag is not set, the data directory is removed as well. 17778 * make sure this flag is set for partially installed apps. If not its meaningless to 17779 * delete a partially installed application. 17780 */ 17781 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 17782 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 17783 String packageName = ps.name; 17784 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 17785 // Retrieve object to delete permissions for shared user later on 17786 final PackageParser.Package deletedPkg; 17787 final PackageSetting deletedPs; 17788 // reader 17789 synchronized (mPackages) { 17790 deletedPkg = mPackages.get(packageName); 17791 deletedPs = mSettings.mPackages.get(packageName); 17792 if (outInfo != null) { 17793 outInfo.removedPackage = packageName; 17794 outInfo.installerPackageName = ps.installerPackageName; 17795 outInfo.isStaticSharedLib = deletedPkg != null 17796 && deletedPkg.staticSharedLibName != null; 17797 outInfo.populateUsers(deletedPs == null ? null 17798 : deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true), deletedPs); 17799 } 17800 } 17801 17802 removePackageLI(ps, (flags & PackageManager.DELETE_CHATTY) != 0); 17803 17804 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 17805 final PackageParser.Package resolvedPkg; 17806 if (deletedPkg != null) { 17807 resolvedPkg = deletedPkg; 17808 } else { 17809 // We don't have a parsed package when it lives on an ejected 17810 // adopted storage device, so fake something together 17811 resolvedPkg = new PackageParser.Package(ps.name); 17812 resolvedPkg.setVolumeUuid(ps.volumeUuid); 17813 } 17814 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 17815 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 17816 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 17817 if (outInfo != null) { 17818 outInfo.dataRemoved = true; 17819 } 17820 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 17821 } 17822 17823 int removedAppId = -1; 17824 17825 // writer 17826 synchronized (mPackages) { 17827 boolean installedStateChanged = false; 17828 if (deletedPs != null) { 17829 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 17830 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 17831 clearDefaultBrowserIfNeeded(packageName); 17832 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 17833 removedAppId = mSettings.removePackageLPw(packageName); 17834 if (outInfo != null) { 17835 outInfo.removedAppId = removedAppId; 17836 } 17837 mPermissionManager.updatePermissions( 17838 deletedPs.name, null, false, mPackages.values(), mPermissionCallback); 17839 if (deletedPs.sharedUser != null) { 17840 // Remove permissions associated with package. Since runtime 17841 // permissions are per user we have to kill the removed package 17842 // or packages running under the shared user of the removed 17843 // package if revoking the permissions requested only by the removed 17844 // package is successful and this causes a change in gids. 17845 for (int userId : UserManagerService.getInstance().getUserIds()) { 17846 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 17847 userId); 17848 if (userIdToKill == UserHandle.USER_ALL 17849 || userIdToKill >= UserHandle.USER_SYSTEM) { 17850 // If gids changed for this user, kill all affected packages. 17851 mHandler.post(new Runnable() { 17852 @Override 17853 public void run() { 17854 // This has to happen with no lock held. 17855 killApplication(deletedPs.name, deletedPs.appId, 17856 KILL_APP_REASON_GIDS_CHANGED); 17857 } 17858 }); 17859 break; 17860 } 17861 } 17862 } 17863 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 17864 } 17865 // make sure to preserve per-user disabled state if this removal was just 17866 // a downgrade of a system app to the factory package 17867 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 17868 if (DEBUG_REMOVE) { 17869 Slog.d(TAG, "Propagating install state across downgrade"); 17870 } 17871 for (int userId : allUserHandles) { 17872 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 17873 if (DEBUG_REMOVE) { 17874 Slog.d(TAG, " user " + userId + " => " + installed); 17875 } 17876 if (installed != ps.getInstalled(userId)) { 17877 installedStateChanged = true; 17878 } 17879 ps.setInstalled(installed, userId); 17880 } 17881 } 17882 } 17883 // can downgrade to reader 17884 if (writeSettings) { 17885 // Save settings now 17886 mSettings.writeLPr(); 17887 } 17888 if (installedStateChanged) { 17889 mSettings.writeKernelMappingLPr(ps); 17890 } 17891 } 17892 if (removedAppId != -1) { 17893 // A user ID was deleted here. Go through all users and remove it 17894 // from KeyStore. 17895 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, removedAppId); 17896 } 17897 } 17898 17899 static boolean locationIsPrivileged(String path) { 17900 try { 17901 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 17902 final File privilegedVendorAppDir = new File(Environment.getVendorDirectory(), "priv-app"); 17903 return path.startsWith(privilegedAppDir.getCanonicalPath()) 17904 || path.startsWith(privilegedVendorAppDir.getCanonicalPath()); 17905 } catch (IOException e) { 17906 Slog.e(TAG, "Unable to access code path " + path); 17907 } 17908 return false; 17909 } 17910 17911 static boolean locationIsOem(String path) { 17912 try { 17913 return path.startsWith(Environment.getOemDirectory().getCanonicalPath()); 17914 } catch (IOException e) { 17915 Slog.e(TAG, "Unable to access code path " + path); 17916 } 17917 return false; 17918 } 17919 17920 static boolean locationIsVendor(String path) { 17921 try { 17922 return path.startsWith(Environment.getVendorDirectory().getCanonicalPath()); 17923 } catch (IOException e) { 17924 Slog.e(TAG, "Unable to access code path " + path); 17925 } 17926 return false; 17927 } 17928 17929 /* 17930 * Tries to delete system package. 17931 */ 17932 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 17933 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 17934 boolean writeSettings) { 17935 if (deletedPs.parentPackageName != null) { 17936 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 17937 return false; 17938 } 17939 17940 final boolean applyUserRestrictions 17941 = (allUserHandles != null) && (outInfo.origUsers != null); 17942 final PackageSetting disabledPs; 17943 // Confirm if the system package has been updated 17944 // An updated system app can be deleted. This will also have to restore 17945 // the system pkg from system partition 17946 // reader 17947 synchronized (mPackages) { 17948 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 17949 } 17950 17951 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 17952 + " disabledPs=" + disabledPs); 17953 17954 if (disabledPs == null) { 17955 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 17956 return false; 17957 } else if (DEBUG_REMOVE) { 17958 Slog.d(TAG, "Deleting system pkg from data partition"); 17959 } 17960 17961 if (DEBUG_REMOVE) { 17962 if (applyUserRestrictions) { 17963 Slog.d(TAG, "Remembering install states:"); 17964 for (int userId : allUserHandles) { 17965 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 17966 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 17967 } 17968 } 17969 } 17970 17971 // Delete the updated package 17972 outInfo.isRemovedPackageSystemUpdate = true; 17973 if (outInfo.removedChildPackages != null) { 17974 final int childCount = (deletedPs.childPackageNames != null) 17975 ? deletedPs.childPackageNames.size() : 0; 17976 for (int i = 0; i < childCount; i++) { 17977 String childPackageName = deletedPs.childPackageNames.get(i); 17978 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 17979 .contains(childPackageName)) { 17980 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 17981 childPackageName); 17982 if (childInfo != null) { 17983 childInfo.isRemovedPackageSystemUpdate = true; 17984 } 17985 } 17986 } 17987 } 17988 17989 if (disabledPs.versionCode < deletedPs.versionCode) { 17990 // Delete data for downgrades 17991 flags &= ~PackageManager.DELETE_KEEP_DATA; 17992 } else { 17993 // Preserve data by setting flag 17994 flags |= PackageManager.DELETE_KEEP_DATA; 17995 } 17996 17997 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 17998 outInfo, writeSettings, disabledPs.pkg); 17999 if (!ret) { 18000 return false; 18001 } 18002 18003 // writer 18004 synchronized (mPackages) { 18005 // NOTE: The system package always needs to be enabled; even if it's for 18006 // a compressed stub. If we don't, installing the system package fails 18007 // during scan [scanning checks the disabled packages]. We will reverse 18008 // this later, after we've "installed" the stub. 18009 // Reinstate the old system package 18010 enableSystemPackageLPw(disabledPs.pkg); 18011 // Remove any native libraries from the upgraded package. 18012 removeNativeBinariesLI(deletedPs); 18013 } 18014 18015 // Install the system package 18016 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 18017 try { 18018 installPackageFromSystemLIF(disabledPs.codePathString, false, allUserHandles, 18019 outInfo.origUsers, deletedPs.getPermissionsState(), writeSettings); 18020 } catch (PackageManagerException e) { 18021 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 18022 + e.getMessage()); 18023 return false; 18024 } finally { 18025 if (disabledPs.pkg.isStub) { 18026 mSettings.disableSystemPackageLPw(disabledPs.name, true /*replaced*/); 18027 } 18028 } 18029 return true; 18030 } 18031 18032 /** 18033 * Installs a package that's already on the system partition. 18034 */ 18035 private PackageParser.Package installPackageFromSystemLIF(@NonNull String codePathString, 18036 boolean isPrivileged, @Nullable int[] allUserHandles, @Nullable int[] origUserHandles, 18037 @Nullable PermissionsState origPermissionState, boolean writeSettings) 18038 throws PackageManagerException { 18039 @ParseFlags int parseFlags = 18040 mDefParseFlags 18041 | PackageParser.PARSE_MUST_BE_APK 18042 | PackageParser.PARSE_IS_SYSTEM_DIR; 18043 @ScanFlags int scanFlags = SCAN_AS_SYSTEM; 18044 if (isPrivileged || locationIsPrivileged(codePathString)) { 18045 scanFlags |= SCAN_AS_PRIVILEGED; 18046 } 18047 if (locationIsOem(codePathString)) { 18048 scanFlags |= SCAN_AS_OEM; 18049 } 18050 if (locationIsVendor(codePathString)) { 18051 scanFlags |= SCAN_AS_VENDOR; 18052 } 18053 18054 final File codePath = new File(codePathString); 18055 final PackageParser.Package pkg = 18056 scanPackageTracedLI(codePath, parseFlags, scanFlags, 0 /*currentTime*/, null); 18057 18058 try { 18059 // update shared libraries for the newly re-installed system package 18060 updateSharedLibrariesLPr(pkg, null); 18061 } catch (PackageManagerException e) { 18062 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 18063 } 18064 18065 prepareAppDataAfterInstallLIF(pkg); 18066 18067 // writer 18068 synchronized (mPackages) { 18069 PackageSetting ps = mSettings.mPackages.get(pkg.packageName); 18070 18071 // Propagate the permissions state as we do not want to drop on the floor 18072 // runtime permissions. The update permissions method below will take 18073 // care of removing obsolete permissions and grant install permissions. 18074 if (origPermissionState != null) { 18075 ps.getPermissionsState().copyFrom(origPermissionState); 18076 } 18077 mPermissionManager.updatePermissions(pkg.packageName, pkg, true, mPackages.values(), 18078 mPermissionCallback); 18079 18080 final boolean applyUserRestrictions 18081 = (allUserHandles != null) && (origUserHandles != null); 18082 if (applyUserRestrictions) { 18083 boolean installedStateChanged = false; 18084 if (DEBUG_REMOVE) { 18085 Slog.d(TAG, "Propagating install state across reinstall"); 18086 } 18087 for (int userId : allUserHandles) { 18088 final boolean installed = ArrayUtils.contains(origUserHandles, userId); 18089 if (DEBUG_REMOVE) { 18090 Slog.d(TAG, " user " + userId + " => " + installed); 18091 } 18092 if (installed != ps.getInstalled(userId)) { 18093 installedStateChanged = true; 18094 } 18095 ps.setInstalled(installed, userId); 18096 18097 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 18098 } 18099 // Regardless of writeSettings we need to ensure that this restriction 18100 // state propagation is persisted 18101 mSettings.writeAllUsersPackageRestrictionsLPr(); 18102 if (installedStateChanged) { 18103 mSettings.writeKernelMappingLPr(ps); 18104 } 18105 } 18106 // can downgrade to reader here 18107 if (writeSettings) { 18108 mSettings.writeLPr(); 18109 } 18110 } 18111 return pkg; 18112 } 18113 18114 private boolean deleteInstalledPackageLIF(PackageSetting ps, 18115 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 18116 PackageRemovedInfo outInfo, boolean writeSettings, 18117 PackageParser.Package replacingPackage) { 18118 synchronized (mPackages) { 18119 if (outInfo != null) { 18120 outInfo.uid = ps.appId; 18121 } 18122 18123 if (outInfo != null && outInfo.removedChildPackages != null) { 18124 final int childCount = (ps.childPackageNames != null) 18125 ? ps.childPackageNames.size() : 0; 18126 for (int i = 0; i < childCount; i++) { 18127 String childPackageName = ps.childPackageNames.get(i); 18128 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 18129 if (childPs == null) { 18130 return false; 18131 } 18132 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 18133 childPackageName); 18134 if (childInfo != null) { 18135 childInfo.uid = childPs.appId; 18136 } 18137 } 18138 } 18139 } 18140 18141 // Delete package data from internal structures and also remove data if flag is set 18142 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 18143 18144 // Delete the child packages data 18145 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 18146 for (int i = 0; i < childCount; i++) { 18147 PackageSetting childPs; 18148 synchronized (mPackages) { 18149 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 18150 } 18151 if (childPs != null) { 18152 PackageRemovedInfo childOutInfo = (outInfo != null 18153 && outInfo.removedChildPackages != null) 18154 ? outInfo.removedChildPackages.get(childPs.name) : null; 18155 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 18156 && (replacingPackage != null 18157 && !replacingPackage.hasChildPackage(childPs.name)) 18158 ? flags & ~DELETE_KEEP_DATA : flags; 18159 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 18160 deleteFlags, writeSettings); 18161 } 18162 } 18163 18164 // Delete application code and resources only for parent packages 18165 if (ps.parentPackageName == null) { 18166 if (deleteCodeAndResources && (outInfo != null)) { 18167 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 18168 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 18169 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 18170 } 18171 } 18172 18173 return true; 18174 } 18175 18176 @Override 18177 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 18178 int userId) { 18179 mContext.enforceCallingOrSelfPermission( 18180 android.Manifest.permission.DELETE_PACKAGES, null); 18181 synchronized (mPackages) { 18182 // Cannot block uninstall of static shared libs as they are 18183 // considered a part of the using app (emulating static linking). 18184 // Also static libs are installed always on internal storage. 18185 PackageParser.Package pkg = mPackages.get(packageName); 18186 if (pkg != null && pkg.staticSharedLibName != null) { 18187 Slog.w(TAG, "Cannot block uninstall of package: " + packageName 18188 + " providing static shared library: " + pkg.staticSharedLibName); 18189 return false; 18190 } 18191 mSettings.setBlockUninstallLPw(userId, packageName, blockUninstall); 18192 mSettings.writePackageRestrictionsLPr(userId); 18193 } 18194 return true; 18195 } 18196 18197 @Override 18198 public boolean getBlockUninstallForUser(String packageName, int userId) { 18199 synchronized (mPackages) { 18200 final PackageSetting ps = mSettings.mPackages.get(packageName); 18201 if (ps == null || filterAppAccessLPr(ps, Binder.getCallingUid(), userId)) { 18202 return false; 18203 } 18204 return mSettings.getBlockUninstallLPr(userId, packageName); 18205 } 18206 } 18207 18208 @Override 18209 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 18210 enforceSystemOrRoot("setRequiredForSystemUser can only be run by the system or root"); 18211 synchronized (mPackages) { 18212 PackageSetting ps = mSettings.mPackages.get(packageName); 18213 if (ps == null) { 18214 Log.w(TAG, "Package doesn't exist: " + packageName); 18215 return false; 18216 } 18217 if (systemUserApp) { 18218 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 18219 } else { 18220 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 18221 } 18222 mSettings.writeLPr(); 18223 } 18224 return true; 18225 } 18226 18227 /* 18228 * This method handles package deletion in general 18229 */ 18230 private boolean deletePackageLIF(String packageName, UserHandle user, 18231 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 18232 PackageRemovedInfo outInfo, boolean writeSettings, 18233 PackageParser.Package replacingPackage) { 18234 if (packageName == null) { 18235 Slog.w(TAG, "Attempt to delete null packageName."); 18236 return false; 18237 } 18238 18239 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 18240 18241 PackageSetting ps; 18242 synchronized (mPackages) { 18243 ps = mSettings.mPackages.get(packageName); 18244 if (ps == null) { 18245 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 18246 return false; 18247 } 18248 18249 if (ps.parentPackageName != null && (!isSystemApp(ps) 18250 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 18251 if (DEBUG_REMOVE) { 18252 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 18253 + ((user == null) ? UserHandle.USER_ALL : user)); 18254 } 18255 final int removedUserId = (user != null) ? user.getIdentifier() 18256 : UserHandle.USER_ALL; 18257 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 18258 return false; 18259 } 18260 markPackageUninstalledForUserLPw(ps, user); 18261 scheduleWritePackageRestrictionsLocked(user); 18262 return true; 18263 } 18264 } 18265 18266 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 18267 && user.getIdentifier() != UserHandle.USER_ALL)) { 18268 // The caller is asking that the package only be deleted for a single 18269 // user. To do this, we just mark its uninstalled state and delete 18270 // its data. If this is a system app, we only allow this to happen if 18271 // they have set the special DELETE_SYSTEM_APP which requests different 18272 // semantics than normal for uninstalling system apps. 18273 markPackageUninstalledForUserLPw(ps, user); 18274 18275 if (!isSystemApp(ps)) { 18276 // Do not uninstall the APK if an app should be cached 18277 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 18278 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 18279 // Other user still have this package installed, so all 18280 // we need to do is clear this user's data and save that 18281 // it is uninstalled. 18282 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 18283 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 18284 return false; 18285 } 18286 scheduleWritePackageRestrictionsLocked(user); 18287 return true; 18288 } else { 18289 // We need to set it back to 'installed' so the uninstall 18290 // broadcasts will be sent correctly. 18291 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 18292 ps.setInstalled(true, user.getIdentifier()); 18293 mSettings.writeKernelMappingLPr(ps); 18294 } 18295 } else { 18296 // This is a system app, so we assume that the 18297 // other users still have this package installed, so all 18298 // we need to do is clear this user's data and save that 18299 // it is uninstalled. 18300 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 18301 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 18302 return false; 18303 } 18304 scheduleWritePackageRestrictionsLocked(user); 18305 return true; 18306 } 18307 } 18308 18309 // If we are deleting a composite package for all users, keep track 18310 // of result for each child. 18311 if (ps.childPackageNames != null && outInfo != null) { 18312 synchronized (mPackages) { 18313 final int childCount = ps.childPackageNames.size(); 18314 outInfo.removedChildPackages = new ArrayMap<>(childCount); 18315 for (int i = 0; i < childCount; i++) { 18316 String childPackageName = ps.childPackageNames.get(i); 18317 PackageRemovedInfo childInfo = new PackageRemovedInfo(this); 18318 childInfo.removedPackage = childPackageName; 18319 childInfo.installerPackageName = ps.installerPackageName; 18320 outInfo.removedChildPackages.put(childPackageName, childInfo); 18321 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 18322 if (childPs != null) { 18323 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 18324 } 18325 } 18326 } 18327 } 18328 18329 boolean ret = false; 18330 if (isSystemApp(ps)) { 18331 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 18332 // When an updated system application is deleted we delete the existing resources 18333 // as well and fall back to existing code in system partition 18334 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 18335 } else { 18336 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 18337 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 18338 outInfo, writeSettings, replacingPackage); 18339 } 18340 18341 // Take a note whether we deleted the package for all users 18342 if (outInfo != null) { 18343 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 18344 if (outInfo.removedChildPackages != null) { 18345 synchronized (mPackages) { 18346 final int childCount = outInfo.removedChildPackages.size(); 18347 for (int i = 0; i < childCount; i++) { 18348 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 18349 if (childInfo != null) { 18350 childInfo.removedForAllUsers = mPackages.get( 18351 childInfo.removedPackage) == null; 18352 } 18353 } 18354 } 18355 } 18356 // If we uninstalled an update to a system app there may be some 18357 // child packages that appeared as they are declared in the system 18358 // app but were not declared in the update. 18359 if (isSystemApp(ps)) { 18360 synchronized (mPackages) { 18361 PackageSetting updatedPs = mSettings.getPackageLPr(ps.name); 18362 final int childCount = (updatedPs.childPackageNames != null) 18363 ? updatedPs.childPackageNames.size() : 0; 18364 for (int i = 0; i < childCount; i++) { 18365 String childPackageName = updatedPs.childPackageNames.get(i); 18366 if (outInfo.removedChildPackages == null 18367 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 18368 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 18369 if (childPs == null) { 18370 continue; 18371 } 18372 PackageInstalledInfo installRes = new PackageInstalledInfo(); 18373 installRes.name = childPackageName; 18374 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 18375 installRes.pkg = mPackages.get(childPackageName); 18376 installRes.uid = childPs.pkg.applicationInfo.uid; 18377 if (outInfo.appearedChildPackages == null) { 18378 outInfo.appearedChildPackages = new ArrayMap<>(); 18379 } 18380 outInfo.appearedChildPackages.put(childPackageName, installRes); 18381 } 18382 } 18383 } 18384 } 18385 } 18386 18387 return ret; 18388 } 18389 18390 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 18391 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 18392 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 18393 for (int nextUserId : userIds) { 18394 if (DEBUG_REMOVE) { 18395 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 18396 } 18397 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 18398 false /*installed*/, 18399 true /*stopped*/, 18400 true /*notLaunched*/, 18401 false /*hidden*/, 18402 false /*suspended*/, 18403 false /*instantApp*/, 18404 false /*virtualPreload*/, 18405 null /*lastDisableAppCaller*/, 18406 null /*enabledComponents*/, 18407 null /*disabledComponents*/, 18408 ps.readUserState(nextUserId).domainVerificationStatus, 18409 0, PackageManager.INSTALL_REASON_UNKNOWN, 18410 null /*harmfulAppWarning*/); 18411 } 18412 mSettings.writeKernelMappingLPr(ps); 18413 } 18414 18415 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 18416 PackageRemovedInfo outInfo) { 18417 final PackageParser.Package pkg; 18418 synchronized (mPackages) { 18419 pkg = mPackages.get(ps.name); 18420 } 18421 18422 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 18423 : new int[] {userId}; 18424 for (int nextUserId : userIds) { 18425 if (DEBUG_REMOVE) { 18426 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 18427 + nextUserId); 18428 } 18429 18430 destroyAppDataLIF(pkg, userId, 18431 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18432 destroyAppProfilesLIF(pkg, userId); 18433 clearDefaultBrowserIfNeededForUser(ps.name, userId); 18434 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 18435 schedulePackageCleaning(ps.name, nextUserId, false); 18436 synchronized (mPackages) { 18437 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 18438 scheduleWritePackageRestrictionsLocked(nextUserId); 18439 } 18440 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 18441 } 18442 } 18443 18444 if (outInfo != null) { 18445 outInfo.removedPackage = ps.name; 18446 outInfo.installerPackageName = ps.installerPackageName; 18447 outInfo.isStaticSharedLib = pkg != null && pkg.staticSharedLibName != null; 18448 outInfo.removedAppId = ps.appId; 18449 outInfo.removedUsers = userIds; 18450 outInfo.broadcastUsers = userIds; 18451 } 18452 18453 return true; 18454 } 18455 18456 private final class ClearStorageConnection implements ServiceConnection { 18457 IMediaContainerService mContainerService; 18458 18459 @Override 18460 public void onServiceConnected(ComponentName name, IBinder service) { 18461 synchronized (this) { 18462 mContainerService = IMediaContainerService.Stub 18463 .asInterface(Binder.allowBlocking(service)); 18464 notifyAll(); 18465 } 18466 } 18467 18468 @Override 18469 public void onServiceDisconnected(ComponentName name) { 18470 } 18471 } 18472 18473 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 18474 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 18475 18476 final boolean mounted; 18477 if (Environment.isExternalStorageEmulated()) { 18478 mounted = true; 18479 } else { 18480 final String status = Environment.getExternalStorageState(); 18481 18482 mounted = status.equals(Environment.MEDIA_MOUNTED) 18483 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 18484 } 18485 18486 if (!mounted) { 18487 return; 18488 } 18489 18490 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 18491 int[] users; 18492 if (userId == UserHandle.USER_ALL) { 18493 users = sUserManager.getUserIds(); 18494 } else { 18495 users = new int[] { userId }; 18496 } 18497 final ClearStorageConnection conn = new ClearStorageConnection(); 18498 if (mContext.bindServiceAsUser( 18499 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 18500 try { 18501 for (int curUser : users) { 18502 long timeout = SystemClock.uptimeMillis() + 5000; 18503 synchronized (conn) { 18504 long now; 18505 while (conn.mContainerService == null && 18506 (now = SystemClock.uptimeMillis()) < timeout) { 18507 try { 18508 conn.wait(timeout - now); 18509 } catch (InterruptedException e) { 18510 } 18511 } 18512 } 18513 if (conn.mContainerService == null) { 18514 return; 18515 } 18516 18517 final UserEnvironment userEnv = new UserEnvironment(curUser); 18518 clearDirectory(conn.mContainerService, 18519 userEnv.buildExternalStorageAppCacheDirs(packageName)); 18520 if (allData) { 18521 clearDirectory(conn.mContainerService, 18522 userEnv.buildExternalStorageAppDataDirs(packageName)); 18523 clearDirectory(conn.mContainerService, 18524 userEnv.buildExternalStorageAppMediaDirs(packageName)); 18525 } 18526 } 18527 } finally { 18528 mContext.unbindService(conn); 18529 } 18530 } 18531 } 18532 18533 @Override 18534 public void clearApplicationProfileData(String packageName) { 18535 enforceSystemOrRoot("Only the system can clear all profile data"); 18536 18537 final PackageParser.Package pkg; 18538 synchronized (mPackages) { 18539 pkg = mPackages.get(packageName); 18540 } 18541 18542 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 18543 synchronized (mInstallLock) { 18544 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 18545 } 18546 } 18547 } 18548 18549 @Override 18550 public void clearApplicationUserData(final String packageName, 18551 final IPackageDataObserver observer, final int userId) { 18552 mContext.enforceCallingOrSelfPermission( 18553 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 18554 18555 final int callingUid = Binder.getCallingUid(); 18556 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 18557 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 18558 18559 final PackageSetting ps = mSettings.getPackageLPr(packageName); 18560 final boolean filterApp = (ps != null && filterAppAccessLPr(ps, callingUid, userId)); 18561 if (!filterApp && mProtectedPackages.isPackageDataProtected(userId, packageName)) { 18562 throw new SecurityException("Cannot clear data for a protected package: " 18563 + packageName); 18564 } 18565 // Queue up an async operation since the package deletion may take a little while. 18566 mHandler.post(new Runnable() { 18567 public void run() { 18568 mHandler.removeCallbacks(this); 18569 final boolean succeeded; 18570 if (!filterApp) { 18571 try (PackageFreezer freezer = freezePackage(packageName, 18572 "clearApplicationUserData")) { 18573 synchronized (mInstallLock) { 18574 succeeded = clearApplicationUserDataLIF(packageName, userId); 18575 } 18576 clearExternalStorageDataSync(packageName, userId, true); 18577 synchronized (mPackages) { 18578 mInstantAppRegistry.deleteInstantApplicationMetadataLPw( 18579 packageName, userId); 18580 } 18581 } 18582 if (succeeded) { 18583 // invoke DeviceStorageMonitor's update method to clear any notifications 18584 DeviceStorageMonitorInternal dsm = LocalServices 18585 .getService(DeviceStorageMonitorInternal.class); 18586 if (dsm != null) { 18587 dsm.checkMemory(); 18588 } 18589 } 18590 } else { 18591 succeeded = false; 18592 } 18593 if (observer != null) { 18594 try { 18595 observer.onRemoveCompleted(packageName, succeeded); 18596 } catch (RemoteException e) { 18597 Log.i(TAG, "Observer no longer exists."); 18598 } 18599 } //end if observer 18600 } //end run 18601 }); 18602 } 18603 18604 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 18605 if (packageName == null) { 18606 Slog.w(TAG, "Attempt to delete null packageName."); 18607 return false; 18608 } 18609 18610 // Try finding details about the requested package 18611 PackageParser.Package pkg; 18612 synchronized (mPackages) { 18613 pkg = mPackages.get(packageName); 18614 if (pkg == null) { 18615 final PackageSetting ps = mSettings.mPackages.get(packageName); 18616 if (ps != null) { 18617 pkg = ps.pkg; 18618 } 18619 } 18620 18621 if (pkg == null) { 18622 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 18623 return false; 18624 } 18625 18626 PackageSetting ps = (PackageSetting) pkg.mExtras; 18627 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 18628 } 18629 18630 clearAppDataLIF(pkg, userId, 18631 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18632 18633 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 18634 removeKeystoreDataIfNeeded(userId, appId); 18635 18636 UserManagerInternal umInternal = getUserManagerInternal(); 18637 final int flags; 18638 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 18639 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18640 } else if (umInternal.isUserRunning(userId)) { 18641 flags = StorageManager.FLAG_STORAGE_DE; 18642 } else { 18643 flags = 0; 18644 } 18645 prepareAppDataContentsLIF(pkg, userId, flags); 18646 18647 return true; 18648 } 18649 18650 /** 18651 * Reverts user permission state changes (permissions and flags) in 18652 * all packages for a given user. 18653 * 18654 * @param userId The device user for which to do a reset. 18655 */ 18656 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 18657 final int packageCount = mPackages.size(); 18658 for (int i = 0; i < packageCount; i++) { 18659 PackageParser.Package pkg = mPackages.valueAt(i); 18660 PackageSetting ps = (PackageSetting) pkg.mExtras; 18661 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 18662 } 18663 } 18664 18665 private void resetNetworkPolicies(int userId) { 18666 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 18667 } 18668 18669 /** 18670 * Reverts user permission state changes (permissions and flags). 18671 * 18672 * @param ps The package for which to reset. 18673 * @param userId The device user for which to do a reset. 18674 */ 18675 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 18676 final PackageSetting ps, final int userId) { 18677 if (ps.pkg == null) { 18678 return; 18679 } 18680 18681 // These are flags that can change base on user actions. 18682 final int userSettableMask = FLAG_PERMISSION_USER_SET 18683 | FLAG_PERMISSION_USER_FIXED 18684 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 18685 | FLAG_PERMISSION_REVIEW_REQUIRED; 18686 18687 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 18688 | FLAG_PERMISSION_POLICY_FIXED; 18689 18690 boolean writeInstallPermissions = false; 18691 boolean writeRuntimePermissions = false; 18692 18693 final int permissionCount = ps.pkg.requestedPermissions.size(); 18694 for (int i = 0; i < permissionCount; i++) { 18695 final String permName = ps.pkg.requestedPermissions.get(i); 18696 final BasePermission bp = 18697 (BasePermission) mPermissionManager.getPermissionTEMP(permName); 18698 if (bp == null) { 18699 continue; 18700 } 18701 18702 // If shared user we just reset the state to which only this app contributed. 18703 if (ps.sharedUser != null) { 18704 boolean used = false; 18705 final int packageCount = ps.sharedUser.packages.size(); 18706 for (int j = 0; j < packageCount; j++) { 18707 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 18708 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 18709 && pkg.pkg.requestedPermissions.contains(permName)) { 18710 used = true; 18711 break; 18712 } 18713 } 18714 if (used) { 18715 continue; 18716 } 18717 } 18718 18719 final PermissionsState permissionsState = ps.getPermissionsState(); 18720 18721 final int oldFlags = permissionsState.getPermissionFlags(permName, userId); 18722 18723 // Always clear the user settable flags. 18724 final boolean hasInstallState = 18725 permissionsState.getInstallPermissionState(permName) != null; 18726 // If permission review is enabled and this is a legacy app, mark the 18727 // permission as requiring a review as this is the initial state. 18728 int flags = 0; 18729 if (mSettings.mPermissions.mPermissionReviewRequired 18730 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 18731 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 18732 } 18733 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 18734 if (hasInstallState) { 18735 writeInstallPermissions = true; 18736 } else { 18737 writeRuntimePermissions = true; 18738 } 18739 } 18740 18741 // Below is only runtime permission handling. 18742 if (!bp.isRuntime()) { 18743 continue; 18744 } 18745 18746 // Never clobber system or policy. 18747 if ((oldFlags & policyOrSystemFlags) != 0) { 18748 continue; 18749 } 18750 18751 // If this permission was granted by default, make sure it is. 18752 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 18753 if (permissionsState.grantRuntimePermission(bp, userId) 18754 != PERMISSION_OPERATION_FAILURE) { 18755 writeRuntimePermissions = true; 18756 } 18757 // If permission review is enabled the permissions for a legacy apps 18758 // are represented as constantly granted runtime ones, so don't revoke. 18759 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 18760 // Otherwise, reset the permission. 18761 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 18762 switch (revokeResult) { 18763 case PERMISSION_OPERATION_SUCCESS: 18764 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 18765 writeRuntimePermissions = true; 18766 final int appId = ps.appId; 18767 mHandler.post(new Runnable() { 18768 @Override 18769 public void run() { 18770 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 18771 } 18772 }); 18773 } break; 18774 } 18775 } 18776 } 18777 18778 // Synchronously write as we are taking permissions away. 18779 if (writeRuntimePermissions) { 18780 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 18781 } 18782 18783 // Synchronously write as we are taking permissions away. 18784 if (writeInstallPermissions) { 18785 mSettings.writeLPr(); 18786 } 18787 } 18788 18789 /** 18790 * Remove entries from the keystore daemon. Will only remove it if the 18791 * {@code appId} is valid. 18792 */ 18793 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 18794 if (appId < 0) { 18795 return; 18796 } 18797 18798 final KeyStore keyStore = KeyStore.getInstance(); 18799 if (keyStore != null) { 18800 if (userId == UserHandle.USER_ALL) { 18801 for (final int individual : sUserManager.getUserIds()) { 18802 keyStore.clearUid(UserHandle.getUid(individual, appId)); 18803 } 18804 } else { 18805 keyStore.clearUid(UserHandle.getUid(userId, appId)); 18806 } 18807 } else { 18808 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 18809 } 18810 } 18811 18812 @Override 18813 public void deleteApplicationCacheFiles(final String packageName, 18814 final IPackageDataObserver observer) { 18815 final int userId = UserHandle.getCallingUserId(); 18816 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 18817 } 18818 18819 @Override 18820 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 18821 final IPackageDataObserver observer) { 18822 final int callingUid = Binder.getCallingUid(); 18823 mContext.enforceCallingOrSelfPermission( 18824 android.Manifest.permission.DELETE_CACHE_FILES, null); 18825 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 18826 /* requireFullPermission= */ true, /* checkShell= */ false, 18827 "delete application cache files"); 18828 final int hasAccessInstantApps = mContext.checkCallingOrSelfPermission( 18829 android.Manifest.permission.ACCESS_INSTANT_APPS); 18830 18831 final PackageParser.Package pkg; 18832 synchronized (mPackages) { 18833 pkg = mPackages.get(packageName); 18834 } 18835 18836 // Queue up an async operation since the package deletion may take a little while. 18837 mHandler.post(new Runnable() { 18838 public void run() { 18839 final PackageSetting ps = pkg == null ? null : (PackageSetting) pkg.mExtras; 18840 boolean doClearData = true; 18841 if (ps != null) { 18842 final boolean targetIsInstantApp = 18843 ps.getInstantApp(UserHandle.getUserId(callingUid)); 18844 doClearData = !targetIsInstantApp 18845 || hasAccessInstantApps == PackageManager.PERMISSION_GRANTED; 18846 } 18847 if (doClearData) { 18848 synchronized (mInstallLock) { 18849 final int flags = StorageManager.FLAG_STORAGE_DE 18850 | StorageManager.FLAG_STORAGE_CE; 18851 // We're only clearing cache files, so we don't care if the 18852 // app is unfrozen and still able to run 18853 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 18854 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 18855 } 18856 clearExternalStorageDataSync(packageName, userId, false); 18857 } 18858 if (observer != null) { 18859 try { 18860 observer.onRemoveCompleted(packageName, true); 18861 } catch (RemoteException e) { 18862 Log.i(TAG, "Observer no longer exists."); 18863 } 18864 } 18865 } 18866 }); 18867 } 18868 18869 @Override 18870 public void getPackageSizeInfo(final String packageName, int userHandle, 18871 final IPackageStatsObserver observer) { 18872 throw new UnsupportedOperationException( 18873 "Shame on you for calling the hidden API getPackageSizeInfo(). Shame!"); 18874 } 18875 18876 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 18877 final PackageSetting ps; 18878 synchronized (mPackages) { 18879 ps = mSettings.mPackages.get(packageName); 18880 if (ps == null) { 18881 Slog.w(TAG, "Failed to find settings for " + packageName); 18882 return false; 18883 } 18884 } 18885 18886 final String[] packageNames = { packageName }; 18887 final long[] ceDataInodes = { ps.getCeDataInode(userId) }; 18888 final String[] codePaths = { ps.codePathString }; 18889 18890 try { 18891 mInstaller.getAppSize(ps.volumeUuid, packageNames, userId, 0, 18892 ps.appId, ceDataInodes, codePaths, stats); 18893 18894 // For now, ignore code size of packages on system partition 18895 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 18896 stats.codeSize = 0; 18897 } 18898 18899 // External clients expect these to be tracked separately 18900 stats.dataSize -= stats.cacheSize; 18901 18902 } catch (InstallerException e) { 18903 Slog.w(TAG, String.valueOf(e)); 18904 return false; 18905 } 18906 18907 return true; 18908 } 18909 18910 private int getUidTargetSdkVersionLockedLPr(int uid) { 18911 Object obj = mSettings.getUserIdLPr(uid); 18912 if (obj instanceof SharedUserSetting) { 18913 final SharedUserSetting sus = (SharedUserSetting) obj; 18914 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 18915 final Iterator<PackageSetting> it = sus.packages.iterator(); 18916 while (it.hasNext()) { 18917 final PackageSetting ps = it.next(); 18918 if (ps.pkg != null) { 18919 int v = ps.pkg.applicationInfo.targetSdkVersion; 18920 if (v < vers) vers = v; 18921 } 18922 } 18923 return vers; 18924 } else if (obj instanceof PackageSetting) { 18925 final PackageSetting ps = (PackageSetting) obj; 18926 if (ps.pkg != null) { 18927 return ps.pkg.applicationInfo.targetSdkVersion; 18928 } 18929 } 18930 return Build.VERSION_CODES.CUR_DEVELOPMENT; 18931 } 18932 18933 private int getPackageTargetSdkVersionLockedLPr(String packageName) { 18934 final PackageParser.Package p = mPackages.get(packageName); 18935 if (p != null) { 18936 return p.applicationInfo.targetSdkVersion; 18937 } 18938 return Build.VERSION_CODES.CUR_DEVELOPMENT; 18939 } 18940 18941 @Override 18942 public void addPreferredActivity(IntentFilter filter, int match, 18943 ComponentName[] set, ComponentName activity, int userId) { 18944 addPreferredActivityInternal(filter, match, set, activity, true, userId, 18945 "Adding preferred"); 18946 } 18947 18948 private void addPreferredActivityInternal(IntentFilter filter, int match, 18949 ComponentName[] set, ComponentName activity, boolean always, int userId, 18950 String opname) { 18951 // writer 18952 int callingUid = Binder.getCallingUid(); 18953 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 18954 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 18955 if (filter.countActions() == 0) { 18956 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 18957 return; 18958 } 18959 synchronized (mPackages) { 18960 if (mContext.checkCallingOrSelfPermission( 18961 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 18962 != PackageManager.PERMISSION_GRANTED) { 18963 if (getUidTargetSdkVersionLockedLPr(callingUid) 18964 < Build.VERSION_CODES.FROYO) { 18965 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 18966 + callingUid); 18967 return; 18968 } 18969 mContext.enforceCallingOrSelfPermission( 18970 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18971 } 18972 18973 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 18974 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 18975 + userId + ":"); 18976 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18977 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 18978 scheduleWritePackageRestrictionsLocked(userId); 18979 postPreferredActivityChangedBroadcast(userId); 18980 } 18981 } 18982 18983 private void postPreferredActivityChangedBroadcast(int userId) { 18984 mHandler.post(() -> { 18985 final IActivityManager am = ActivityManager.getService(); 18986 if (am == null) { 18987 return; 18988 } 18989 18990 final Intent intent = new Intent(Intent.ACTION_PREFERRED_ACTIVITY_CHANGED); 18991 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 18992 try { 18993 am.broadcastIntent(null, intent, null, null, 18994 0, null, null, null, android.app.AppOpsManager.OP_NONE, 18995 null, false, false, userId); 18996 } catch (RemoteException e) { 18997 } 18998 }); 18999 } 19000 19001 @Override 19002 public void replacePreferredActivity(IntentFilter filter, int match, 19003 ComponentName[] set, ComponentName activity, int userId) { 19004 if (filter.countActions() != 1) { 19005 throw new IllegalArgumentException( 19006 "replacePreferredActivity expects filter to have only 1 action."); 19007 } 19008 if (filter.countDataAuthorities() != 0 19009 || filter.countDataPaths() != 0 19010 || filter.countDataSchemes() > 1 19011 || filter.countDataTypes() != 0) { 19012 throw new IllegalArgumentException( 19013 "replacePreferredActivity expects filter to have no data authorities, " + 19014 "paths, or types; and at most one scheme."); 19015 } 19016 19017 final int callingUid = Binder.getCallingUid(); 19018 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 19019 true /* requireFullPermission */, false /* checkShell */, 19020 "replace preferred activity"); 19021 synchronized (mPackages) { 19022 if (mContext.checkCallingOrSelfPermission( 19023 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 19024 != PackageManager.PERMISSION_GRANTED) { 19025 if (getUidTargetSdkVersionLockedLPr(callingUid) 19026 < Build.VERSION_CODES.FROYO) { 19027 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 19028 + Binder.getCallingUid()); 19029 return; 19030 } 19031 mContext.enforceCallingOrSelfPermission( 19032 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 19033 } 19034 19035 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 19036 if (pir != null) { 19037 // Get all of the existing entries that exactly match this filter. 19038 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 19039 if (existing != null && existing.size() == 1) { 19040 PreferredActivity cur = existing.get(0); 19041 if (DEBUG_PREFERRED) { 19042 Slog.i(TAG, "Checking replace of preferred:"); 19043 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 19044 if (!cur.mPref.mAlways) { 19045 Slog.i(TAG, " -- CUR; not mAlways!"); 19046 } else { 19047 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 19048 Slog.i(TAG, " -- CUR: mSet=" 19049 + Arrays.toString(cur.mPref.mSetComponents)); 19050 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 19051 Slog.i(TAG, " -- NEW: mMatch=" 19052 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 19053 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 19054 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 19055 } 19056 } 19057 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 19058 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 19059 && cur.mPref.sameSet(set)) { 19060 // Setting the preferred activity to what it happens to be already 19061 if (DEBUG_PREFERRED) { 19062 Slog.i(TAG, "Replacing with same preferred activity " 19063 + cur.mPref.mShortComponent + " for user " 19064 + userId + ":"); 19065 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 19066 } 19067 return; 19068 } 19069 } 19070 19071 if (existing != null) { 19072 if (DEBUG_PREFERRED) { 19073 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 19074 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 19075 } 19076 for (int i = 0; i < existing.size(); i++) { 19077 PreferredActivity pa = existing.get(i); 19078 if (DEBUG_PREFERRED) { 19079 Slog.i(TAG, "Removing existing preferred activity " 19080 + pa.mPref.mComponent + ":"); 19081 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 19082 } 19083 pir.removeFilter(pa); 19084 } 19085 } 19086 } 19087 addPreferredActivityInternal(filter, match, set, activity, true, userId, 19088 "Replacing preferred"); 19089 } 19090 } 19091 19092 @Override 19093 public void clearPackagePreferredActivities(String packageName) { 19094 final int callingUid = Binder.getCallingUid(); 19095 if (getInstantAppPackageName(callingUid) != null) { 19096 return; 19097 } 19098 // writer 19099 synchronized (mPackages) { 19100 PackageParser.Package pkg = mPackages.get(packageName); 19101 if (pkg == null || pkg.applicationInfo.uid != callingUid) { 19102 if (mContext.checkCallingOrSelfPermission( 19103 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 19104 != PackageManager.PERMISSION_GRANTED) { 19105 if (getUidTargetSdkVersionLockedLPr(callingUid) 19106 < Build.VERSION_CODES.FROYO) { 19107 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 19108 + callingUid); 19109 return; 19110 } 19111 mContext.enforceCallingOrSelfPermission( 19112 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 19113 } 19114 } 19115 final PackageSetting ps = mSettings.getPackageLPr(packageName); 19116 if (ps != null 19117 && filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 19118 return; 19119 } 19120 int user = UserHandle.getCallingUserId(); 19121 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 19122 scheduleWritePackageRestrictionsLocked(user); 19123 } 19124 } 19125 } 19126 19127 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 19128 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 19129 ArrayList<PreferredActivity> removed = null; 19130 boolean changed = false; 19131 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 19132 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 19133 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 19134 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 19135 continue; 19136 } 19137 Iterator<PreferredActivity> it = pir.filterIterator(); 19138 while (it.hasNext()) { 19139 PreferredActivity pa = it.next(); 19140 // Mark entry for removal only if it matches the package name 19141 // and the entry is of type "always". 19142 if (packageName == null || 19143 (pa.mPref.mComponent.getPackageName().equals(packageName) 19144 && pa.mPref.mAlways)) { 19145 if (removed == null) { 19146 removed = new ArrayList<PreferredActivity>(); 19147 } 19148 removed.add(pa); 19149 } 19150 } 19151 if (removed != null) { 19152 for (int j=0; j<removed.size(); j++) { 19153 PreferredActivity pa = removed.get(j); 19154 pir.removeFilter(pa); 19155 } 19156 changed = true; 19157 } 19158 } 19159 if (changed) { 19160 postPreferredActivityChangedBroadcast(userId); 19161 } 19162 return changed; 19163 } 19164 19165 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 19166 private void clearIntentFilterVerificationsLPw(int userId) { 19167 final int packageCount = mPackages.size(); 19168 for (int i = 0; i < packageCount; i++) { 19169 PackageParser.Package pkg = mPackages.valueAt(i); 19170 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 19171 } 19172 } 19173 19174 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 19175 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 19176 if (userId == UserHandle.USER_ALL) { 19177 if (mSettings.removeIntentFilterVerificationLPw(packageName, 19178 sUserManager.getUserIds())) { 19179 for (int oneUserId : sUserManager.getUserIds()) { 19180 scheduleWritePackageRestrictionsLocked(oneUserId); 19181 } 19182 } 19183 } else { 19184 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 19185 scheduleWritePackageRestrictionsLocked(userId); 19186 } 19187 } 19188 } 19189 19190 /** Clears state for all users, and touches intent filter verification policy */ 19191 void clearDefaultBrowserIfNeeded(String packageName) { 19192 for (int oneUserId : sUserManager.getUserIds()) { 19193 clearDefaultBrowserIfNeededForUser(packageName, oneUserId); 19194 } 19195 } 19196 19197 private void clearDefaultBrowserIfNeededForUser(String packageName, int userId) { 19198 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 19199 if (!TextUtils.isEmpty(defaultBrowserPackageName)) { 19200 if (packageName.equals(defaultBrowserPackageName)) { 19201 setDefaultBrowserPackageName(null, userId); 19202 } 19203 } 19204 } 19205 19206 @Override 19207 public void resetApplicationPreferences(int userId) { 19208 mContext.enforceCallingOrSelfPermission( 19209 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 19210 final long identity = Binder.clearCallingIdentity(); 19211 // writer 19212 try { 19213 synchronized (mPackages) { 19214 clearPackagePreferredActivitiesLPw(null, userId); 19215 mSettings.applyDefaultPreferredAppsLPw(this, userId); 19216 // TODO: We have to reset the default SMS and Phone. This requires 19217 // significant refactoring to keep all default apps in the package 19218 // manager (cleaner but more work) or have the services provide 19219 // callbacks to the package manager to request a default app reset. 19220 applyFactoryDefaultBrowserLPw(userId); 19221 clearIntentFilterVerificationsLPw(userId); 19222 primeDomainVerificationsLPw(userId); 19223 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 19224 scheduleWritePackageRestrictionsLocked(userId); 19225 } 19226 resetNetworkPolicies(userId); 19227 } finally { 19228 Binder.restoreCallingIdentity(identity); 19229 } 19230 } 19231 19232 @Override 19233 public int getPreferredActivities(List<IntentFilter> outFilters, 19234 List<ComponentName> outActivities, String packageName) { 19235 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 19236 return 0; 19237 } 19238 int num = 0; 19239 final int userId = UserHandle.getCallingUserId(); 19240 // reader 19241 synchronized (mPackages) { 19242 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 19243 if (pir != null) { 19244 final Iterator<PreferredActivity> it = pir.filterIterator(); 19245 while (it.hasNext()) { 19246 final PreferredActivity pa = it.next(); 19247 if (packageName == null 19248 || (pa.mPref.mComponent.getPackageName().equals(packageName) 19249 && pa.mPref.mAlways)) { 19250 if (outFilters != null) { 19251 outFilters.add(new IntentFilter(pa)); 19252 } 19253 if (outActivities != null) { 19254 outActivities.add(pa.mPref.mComponent); 19255 } 19256 } 19257 } 19258 } 19259 } 19260 19261 return num; 19262 } 19263 19264 @Override 19265 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 19266 int userId) { 19267 int callingUid = Binder.getCallingUid(); 19268 if (callingUid != Process.SYSTEM_UID) { 19269 throw new SecurityException( 19270 "addPersistentPreferredActivity can only be run by the system"); 19271 } 19272 if (filter.countActions() == 0) { 19273 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 19274 return; 19275 } 19276 synchronized (mPackages) { 19277 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 19278 ":"); 19279 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 19280 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 19281 new PersistentPreferredActivity(filter, activity)); 19282 scheduleWritePackageRestrictionsLocked(userId); 19283 postPreferredActivityChangedBroadcast(userId); 19284 } 19285 } 19286 19287 @Override 19288 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 19289 int callingUid = Binder.getCallingUid(); 19290 if (callingUid != Process.SYSTEM_UID) { 19291 throw new SecurityException( 19292 "clearPackagePersistentPreferredActivities can only be run by the system"); 19293 } 19294 ArrayList<PersistentPreferredActivity> removed = null; 19295 boolean changed = false; 19296 synchronized (mPackages) { 19297 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 19298 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 19299 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 19300 .valueAt(i); 19301 if (userId != thisUserId) { 19302 continue; 19303 } 19304 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 19305 while (it.hasNext()) { 19306 PersistentPreferredActivity ppa = it.next(); 19307 // Mark entry for removal only if it matches the package name. 19308 if (ppa.mComponent.getPackageName().equals(packageName)) { 19309 if (removed == null) { 19310 removed = new ArrayList<PersistentPreferredActivity>(); 19311 } 19312 removed.add(ppa); 19313 } 19314 } 19315 if (removed != null) { 19316 for (int j=0; j<removed.size(); j++) { 19317 PersistentPreferredActivity ppa = removed.get(j); 19318 ppir.removeFilter(ppa); 19319 } 19320 changed = true; 19321 } 19322 } 19323 19324 if (changed) { 19325 scheduleWritePackageRestrictionsLocked(userId); 19326 postPreferredActivityChangedBroadcast(userId); 19327 } 19328 } 19329 } 19330 19331 /** 19332 * Common machinery for picking apart a restored XML blob and passing 19333 * it to a caller-supplied functor to be applied to the running system. 19334 */ 19335 private void restoreFromXml(XmlPullParser parser, int userId, 19336 String expectedStartTag, BlobXmlRestorer functor) 19337 throws IOException, XmlPullParserException { 19338 int type; 19339 while ((type = parser.next()) != XmlPullParser.START_TAG 19340 && type != XmlPullParser.END_DOCUMENT) { 19341 } 19342 if (type != XmlPullParser.START_TAG) { 19343 // oops didn't find a start tag?! 19344 if (DEBUG_BACKUP) { 19345 Slog.e(TAG, "Didn't find start tag during restore"); 19346 } 19347 return; 19348 } 19349Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 19350 // this is supposed to be TAG_PREFERRED_BACKUP 19351 if (!expectedStartTag.equals(parser.getName())) { 19352 if (DEBUG_BACKUP) { 19353 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 19354 } 19355 return; 19356 } 19357 19358 // skip interfering stuff, then we're aligned with the backing implementation 19359 while ((type = parser.next()) == XmlPullParser.TEXT) { } 19360Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 19361 functor.apply(parser, userId); 19362 } 19363 19364 private interface BlobXmlRestorer { 19365 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 19366 } 19367 19368 /** 19369 * Non-Binder method, support for the backup/restore mechanism: write the 19370 * full set of preferred activities in its canonical XML format. Returns the 19371 * XML output as a byte array, or null if there is none. 19372 */ 19373 @Override 19374 public byte[] getPreferredActivityBackup(int userId) { 19375 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19376 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 19377 } 19378 19379 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19380 try { 19381 final XmlSerializer serializer = new FastXmlSerializer(); 19382 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19383 serializer.startDocument(null, true); 19384 serializer.startTag(null, TAG_PREFERRED_BACKUP); 19385 19386 synchronized (mPackages) { 19387 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 19388 } 19389 19390 serializer.endTag(null, TAG_PREFERRED_BACKUP); 19391 serializer.endDocument(); 19392 serializer.flush(); 19393 } catch (Exception e) { 19394 if (DEBUG_BACKUP) { 19395 Slog.e(TAG, "Unable to write preferred activities for backup", e); 19396 } 19397 return null; 19398 } 19399 19400 return dataStream.toByteArray(); 19401 } 19402 19403 @Override 19404 public void restorePreferredActivities(byte[] backup, int userId) { 19405 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19406 throw new SecurityException("Only the system may call restorePreferredActivities()"); 19407 } 19408 19409 try { 19410 final XmlPullParser parser = Xml.newPullParser(); 19411 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19412 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 19413 new BlobXmlRestorer() { 19414 @Override 19415 public void apply(XmlPullParser parser, int userId) 19416 throws XmlPullParserException, IOException { 19417 synchronized (mPackages) { 19418 mSettings.readPreferredActivitiesLPw(parser, userId); 19419 } 19420 } 19421 } ); 19422 } catch (Exception e) { 19423 if (DEBUG_BACKUP) { 19424 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19425 } 19426 } 19427 } 19428 19429 /** 19430 * Non-Binder method, support for the backup/restore mechanism: write the 19431 * default browser (etc) settings in its canonical XML format. Returns the default 19432 * browser XML representation as a byte array, or null if there is none. 19433 */ 19434 @Override 19435 public byte[] getDefaultAppsBackup(int userId) { 19436 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19437 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 19438 } 19439 19440 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19441 try { 19442 final XmlSerializer serializer = new FastXmlSerializer(); 19443 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19444 serializer.startDocument(null, true); 19445 serializer.startTag(null, TAG_DEFAULT_APPS); 19446 19447 synchronized (mPackages) { 19448 mSettings.writeDefaultAppsLPr(serializer, userId); 19449 } 19450 19451 serializer.endTag(null, TAG_DEFAULT_APPS); 19452 serializer.endDocument(); 19453 serializer.flush(); 19454 } catch (Exception e) { 19455 if (DEBUG_BACKUP) { 19456 Slog.e(TAG, "Unable to write default apps for backup", e); 19457 } 19458 return null; 19459 } 19460 19461 return dataStream.toByteArray(); 19462 } 19463 19464 @Override 19465 public void restoreDefaultApps(byte[] backup, int userId) { 19466 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19467 throw new SecurityException("Only the system may call restoreDefaultApps()"); 19468 } 19469 19470 try { 19471 final XmlPullParser parser = Xml.newPullParser(); 19472 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19473 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 19474 new BlobXmlRestorer() { 19475 @Override 19476 public void apply(XmlPullParser parser, int userId) 19477 throws XmlPullParserException, IOException { 19478 synchronized (mPackages) { 19479 mSettings.readDefaultAppsLPw(parser, userId); 19480 } 19481 } 19482 } ); 19483 } catch (Exception e) { 19484 if (DEBUG_BACKUP) { 19485 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 19486 } 19487 } 19488 } 19489 19490 @Override 19491 public byte[] getIntentFilterVerificationBackup(int userId) { 19492 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19493 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 19494 } 19495 19496 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19497 try { 19498 final XmlSerializer serializer = new FastXmlSerializer(); 19499 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19500 serializer.startDocument(null, true); 19501 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 19502 19503 synchronized (mPackages) { 19504 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 19505 } 19506 19507 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 19508 serializer.endDocument(); 19509 serializer.flush(); 19510 } catch (Exception e) { 19511 if (DEBUG_BACKUP) { 19512 Slog.e(TAG, "Unable to write default apps for backup", e); 19513 } 19514 return null; 19515 } 19516 19517 return dataStream.toByteArray(); 19518 } 19519 19520 @Override 19521 public void restoreIntentFilterVerification(byte[] backup, int userId) { 19522 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19523 throw new SecurityException("Only the system may call restorePreferredActivities()"); 19524 } 19525 19526 try { 19527 final XmlPullParser parser = Xml.newPullParser(); 19528 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19529 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 19530 new BlobXmlRestorer() { 19531 @Override 19532 public void apply(XmlPullParser parser, int userId) 19533 throws XmlPullParserException, IOException { 19534 synchronized (mPackages) { 19535 mSettings.readAllDomainVerificationsLPr(parser, userId); 19536 mSettings.writeLPr(); 19537 } 19538 } 19539 } ); 19540 } catch (Exception e) { 19541 if (DEBUG_BACKUP) { 19542 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19543 } 19544 } 19545 } 19546 19547 @Override 19548 public byte[] getPermissionGrantBackup(int userId) { 19549 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19550 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 19551 } 19552 19553 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19554 try { 19555 final XmlSerializer serializer = new FastXmlSerializer(); 19556 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19557 serializer.startDocument(null, true); 19558 serializer.startTag(null, TAG_PERMISSION_BACKUP); 19559 19560 synchronized (mPackages) { 19561 serializeRuntimePermissionGrantsLPr(serializer, userId); 19562 } 19563 19564 serializer.endTag(null, TAG_PERMISSION_BACKUP); 19565 serializer.endDocument(); 19566 serializer.flush(); 19567 } catch (Exception e) { 19568 if (DEBUG_BACKUP) { 19569 Slog.e(TAG, "Unable to write default apps for backup", e); 19570 } 19571 return null; 19572 } 19573 19574 return dataStream.toByteArray(); 19575 } 19576 19577 @Override 19578 public void restorePermissionGrants(byte[] backup, int userId) { 19579 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19580 throw new SecurityException("Only the system may call restorePermissionGrants()"); 19581 } 19582 19583 try { 19584 final XmlPullParser parser = Xml.newPullParser(); 19585 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19586 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 19587 new BlobXmlRestorer() { 19588 @Override 19589 public void apply(XmlPullParser parser, int userId) 19590 throws XmlPullParserException, IOException { 19591 synchronized (mPackages) { 19592 processRestoredPermissionGrantsLPr(parser, userId); 19593 } 19594 } 19595 } ); 19596 } catch (Exception e) { 19597 if (DEBUG_BACKUP) { 19598 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19599 } 19600 } 19601 } 19602 19603 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 19604 throws IOException { 19605 serializer.startTag(null, TAG_ALL_GRANTS); 19606 19607 final int N = mSettings.mPackages.size(); 19608 for (int i = 0; i < N; i++) { 19609 final PackageSetting ps = mSettings.mPackages.valueAt(i); 19610 boolean pkgGrantsKnown = false; 19611 19612 PermissionsState packagePerms = ps.getPermissionsState(); 19613 19614 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 19615 final int grantFlags = state.getFlags(); 19616 // only look at grants that are not system/policy fixed 19617 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 19618 final boolean isGranted = state.isGranted(); 19619 // And only back up the user-twiddled state bits 19620 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 19621 final String packageName = mSettings.mPackages.keyAt(i); 19622 if (!pkgGrantsKnown) { 19623 serializer.startTag(null, TAG_GRANT); 19624 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 19625 pkgGrantsKnown = true; 19626 } 19627 19628 final boolean userSet = 19629 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 19630 final boolean userFixed = 19631 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 19632 final boolean revoke = 19633 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 19634 19635 serializer.startTag(null, TAG_PERMISSION); 19636 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 19637 if (isGranted) { 19638 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 19639 } 19640 if (userSet) { 19641 serializer.attribute(null, ATTR_USER_SET, "true"); 19642 } 19643 if (userFixed) { 19644 serializer.attribute(null, ATTR_USER_FIXED, "true"); 19645 } 19646 if (revoke) { 19647 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 19648 } 19649 serializer.endTag(null, TAG_PERMISSION); 19650 } 19651 } 19652 } 19653 19654 if (pkgGrantsKnown) { 19655 serializer.endTag(null, TAG_GRANT); 19656 } 19657 } 19658 19659 serializer.endTag(null, TAG_ALL_GRANTS); 19660 } 19661 19662 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 19663 throws XmlPullParserException, IOException { 19664 String pkgName = null; 19665 int outerDepth = parser.getDepth(); 19666 int type; 19667 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 19668 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 19669 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 19670 continue; 19671 } 19672 19673 final String tagName = parser.getName(); 19674 if (tagName.equals(TAG_GRANT)) { 19675 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 19676 if (DEBUG_BACKUP) { 19677 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 19678 } 19679 } else if (tagName.equals(TAG_PERMISSION)) { 19680 19681 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 19682 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 19683 19684 int newFlagSet = 0; 19685 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 19686 newFlagSet |= FLAG_PERMISSION_USER_SET; 19687 } 19688 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 19689 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 19690 } 19691 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 19692 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 19693 } 19694 if (DEBUG_BACKUP) { 19695 Slog.v(TAG, " + Restoring grant:" 19696 + " pkg=" + pkgName 19697 + " perm=" + permName 19698 + " granted=" + isGranted 19699 + " bits=0x" + Integer.toHexString(newFlagSet)); 19700 } 19701 final PackageSetting ps = mSettings.mPackages.get(pkgName); 19702 if (ps != null) { 19703 // Already installed so we apply the grant immediately 19704 if (DEBUG_BACKUP) { 19705 Slog.v(TAG, " + already installed; applying"); 19706 } 19707 PermissionsState perms = ps.getPermissionsState(); 19708 BasePermission bp = 19709 (BasePermission) mPermissionManager.getPermissionTEMP(permName); 19710 if (bp != null) { 19711 if (isGranted) { 19712 perms.grantRuntimePermission(bp, userId); 19713 } 19714 if (newFlagSet != 0) { 19715 perms.updatePermissionFlags( 19716 bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 19717 } 19718 } 19719 } else { 19720 // Need to wait for post-restore install to apply the grant 19721 if (DEBUG_BACKUP) { 19722 Slog.v(TAG, " - not yet installed; saving for later"); 19723 } 19724 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 19725 isGranted, newFlagSet, userId); 19726 } 19727 } else { 19728 PackageManagerService.reportSettingsProblem(Log.WARN, 19729 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 19730 XmlUtils.skipCurrentTag(parser); 19731 } 19732 } 19733 19734 scheduleWriteSettingsLocked(); 19735 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 19736 } 19737 19738 @Override 19739 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 19740 int sourceUserId, int targetUserId, int flags) { 19741 mContext.enforceCallingOrSelfPermission( 19742 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 19743 int callingUid = Binder.getCallingUid(); 19744 enforceOwnerRights(ownerPackage, callingUid); 19745 PackageManagerServiceUtils.enforceShellRestriction( 19746 UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 19747 if (intentFilter.countActions() == 0) { 19748 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 19749 return; 19750 } 19751 synchronized (mPackages) { 19752 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 19753 ownerPackage, targetUserId, flags); 19754 CrossProfileIntentResolver resolver = 19755 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 19756 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 19757 // We have all those whose filter is equal. Now checking if the rest is equal as well. 19758 if (existing != null) { 19759 int size = existing.size(); 19760 for (int i = 0; i < size; i++) { 19761 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 19762 return; 19763 } 19764 } 19765 } 19766 resolver.addFilter(newFilter); 19767 scheduleWritePackageRestrictionsLocked(sourceUserId); 19768 } 19769 } 19770 19771 @Override 19772 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 19773 mContext.enforceCallingOrSelfPermission( 19774 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 19775 final int callingUid = Binder.getCallingUid(); 19776 enforceOwnerRights(ownerPackage, callingUid); 19777 PackageManagerServiceUtils.enforceShellRestriction( 19778 UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 19779 synchronized (mPackages) { 19780 CrossProfileIntentResolver resolver = 19781 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 19782 ArraySet<CrossProfileIntentFilter> set = 19783 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 19784 for (CrossProfileIntentFilter filter : set) { 19785 if (filter.getOwnerPackage().equals(ownerPackage)) { 19786 resolver.removeFilter(filter); 19787 } 19788 } 19789 scheduleWritePackageRestrictionsLocked(sourceUserId); 19790 } 19791 } 19792 19793 // Enforcing that callingUid is owning pkg on userId 19794 private void enforceOwnerRights(String pkg, int callingUid) { 19795 // The system owns everything. 19796 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 19797 return; 19798 } 19799 final int callingUserId = UserHandle.getUserId(callingUid); 19800 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 19801 if (pi == null) { 19802 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 19803 + callingUserId); 19804 } 19805 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 19806 throw new SecurityException("Calling uid " + callingUid 19807 + " does not own package " + pkg); 19808 } 19809 } 19810 19811 @Override 19812 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 19813 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 19814 return null; 19815 } 19816 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 19817 } 19818 19819 public void sendSessionCommitBroadcast(PackageInstaller.SessionInfo sessionInfo, int userId) { 19820 UserManagerService ums = UserManagerService.getInstance(); 19821 if (ums != null) { 19822 final UserInfo parent = ums.getProfileParent(userId); 19823 final int launcherUid = (parent != null) ? parent.id : userId; 19824 final ComponentName launcherComponent = getDefaultHomeActivity(launcherUid); 19825 if (launcherComponent != null) { 19826 Intent launcherIntent = new Intent(PackageInstaller.ACTION_SESSION_COMMITTED) 19827 .putExtra(PackageInstaller.EXTRA_SESSION, sessionInfo) 19828 .putExtra(Intent.EXTRA_USER, UserHandle.of(userId)) 19829 .setPackage(launcherComponent.getPackageName()); 19830 mContext.sendBroadcastAsUser(launcherIntent, UserHandle.of(launcherUid)); 19831 } 19832 } 19833 } 19834 19835 /** 19836 * Report the 'Home' activity which is currently set as "always use this one". If non is set 19837 * then reports the most likely home activity or null if there are more than one. 19838 */ 19839 private ComponentName getDefaultHomeActivity(int userId) { 19840 List<ResolveInfo> allHomeCandidates = new ArrayList<>(); 19841 ComponentName cn = getHomeActivitiesAsUser(allHomeCandidates, userId); 19842 if (cn != null) { 19843 return cn; 19844 } 19845 19846 // Find the launcher with the highest priority and return that component if there are no 19847 // other home activity with the same priority. 19848 int lastPriority = Integer.MIN_VALUE; 19849 ComponentName lastComponent = null; 19850 final int size = allHomeCandidates.size(); 19851 for (int i = 0; i < size; i++) { 19852 final ResolveInfo ri = allHomeCandidates.get(i); 19853 if (ri.priority > lastPriority) { 19854 lastComponent = ri.activityInfo.getComponentName(); 19855 lastPriority = ri.priority; 19856 } else if (ri.priority == lastPriority) { 19857 // Two components found with same priority. 19858 lastComponent = null; 19859 } 19860 } 19861 return lastComponent; 19862 } 19863 19864 private Intent getHomeIntent() { 19865 Intent intent = new Intent(Intent.ACTION_MAIN); 19866 intent.addCategory(Intent.CATEGORY_HOME); 19867 intent.addCategory(Intent.CATEGORY_DEFAULT); 19868 return intent; 19869 } 19870 19871 private IntentFilter getHomeFilter() { 19872 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 19873 filter.addCategory(Intent.CATEGORY_HOME); 19874 filter.addCategory(Intent.CATEGORY_DEFAULT); 19875 return filter; 19876 } 19877 19878 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 19879 int userId) { 19880 Intent intent = getHomeIntent(); 19881 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 19882 PackageManager.GET_META_DATA, userId); 19883 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 19884 true, false, false, userId); 19885 19886 allHomeCandidates.clear(); 19887 if (list != null) { 19888 for (ResolveInfo ri : list) { 19889 allHomeCandidates.add(ri); 19890 } 19891 } 19892 return (preferred == null || preferred.activityInfo == null) 19893 ? null 19894 : new ComponentName(preferred.activityInfo.packageName, 19895 preferred.activityInfo.name); 19896 } 19897 19898 @Override 19899 public void setHomeActivity(ComponentName comp, int userId) { 19900 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 19901 return; 19902 } 19903 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 19904 getHomeActivitiesAsUser(homeActivities, userId); 19905 19906 boolean found = false; 19907 19908 final int size = homeActivities.size(); 19909 final ComponentName[] set = new ComponentName[size]; 19910 for (int i = 0; i < size; i++) { 19911 final ResolveInfo candidate = homeActivities.get(i); 19912 final ActivityInfo info = candidate.activityInfo; 19913 final ComponentName activityName = new ComponentName(info.packageName, info.name); 19914 set[i] = activityName; 19915 if (!found && activityName.equals(comp)) { 19916 found = true; 19917 } 19918 } 19919 if (!found) { 19920 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 19921 + userId); 19922 } 19923 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 19924 set, comp, userId); 19925 } 19926 19927 private @Nullable String getSetupWizardPackageName() { 19928 final Intent intent = new Intent(Intent.ACTION_MAIN); 19929 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 19930 19931 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 19932 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 19933 | MATCH_DISABLED_COMPONENTS, 19934 UserHandle.myUserId()); 19935 if (matches.size() == 1) { 19936 return matches.get(0).getComponentInfo().packageName; 19937 } else { 19938 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 19939 + ": matches=" + matches); 19940 return null; 19941 } 19942 } 19943 19944 private @Nullable String getStorageManagerPackageName() { 19945 final Intent intent = new Intent(StorageManager.ACTION_MANAGE_STORAGE); 19946 19947 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 19948 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 19949 | MATCH_DISABLED_COMPONENTS, 19950 UserHandle.myUserId()); 19951 if (matches.size() == 1) { 19952 return matches.get(0).getComponentInfo().packageName; 19953 } else { 19954 Slog.e(TAG, "There should probably be exactly one storage manager; found " 19955 + matches.size() + ": matches=" + matches); 19956 return null; 19957 } 19958 } 19959 19960 @Override 19961 public void setApplicationEnabledSetting(String appPackageName, 19962 int newState, int flags, int userId, String callingPackage) { 19963 if (!sUserManager.exists(userId)) return; 19964 if (callingPackage == null) { 19965 callingPackage = Integer.toString(Binder.getCallingUid()); 19966 } 19967 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 19968 } 19969 19970 @Override 19971 public void setUpdateAvailable(String packageName, boolean updateAvailable) { 19972 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 19973 synchronized (mPackages) { 19974 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 19975 if (pkgSetting != null) { 19976 pkgSetting.setUpdateAvailable(updateAvailable); 19977 } 19978 } 19979 } 19980 19981 @Override 19982 public void setComponentEnabledSetting(ComponentName componentName, 19983 int newState, int flags, int userId) { 19984 if (!sUserManager.exists(userId)) return; 19985 setEnabledSetting(componentName.getPackageName(), 19986 componentName.getClassName(), newState, flags, userId, null); 19987 } 19988 19989 private void setEnabledSetting(final String packageName, String className, int newState, 19990 final int flags, int userId, String callingPackage) { 19991 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 19992 || newState == COMPONENT_ENABLED_STATE_ENABLED 19993 || newState == COMPONENT_ENABLED_STATE_DISABLED 19994 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 19995 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 19996 throw new IllegalArgumentException("Invalid new component state: " 19997 + newState); 19998 } 19999 PackageSetting pkgSetting; 20000 final int callingUid = Binder.getCallingUid(); 20001 final int permission; 20002 if (callingUid == Process.SYSTEM_UID) { 20003 permission = PackageManager.PERMISSION_GRANTED; 20004 } else { 20005 permission = mContext.checkCallingOrSelfPermission( 20006 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 20007 } 20008 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 20009 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 20010 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 20011 boolean sendNow = false; 20012 boolean isApp = (className == null); 20013 final boolean isCallerInstantApp = (getInstantAppPackageName(callingUid) != null); 20014 String componentName = isApp ? packageName : className; 20015 int packageUid = -1; 20016 ArrayList<String> components; 20017 20018 // reader 20019 synchronized (mPackages) { 20020 pkgSetting = mSettings.mPackages.get(packageName); 20021 if (pkgSetting == null) { 20022 if (!isCallerInstantApp) { 20023 if (className == null) { 20024 throw new IllegalArgumentException("Unknown package: " + packageName); 20025 } 20026 throw new IllegalArgumentException( 20027 "Unknown component: " + packageName + "/" + className); 20028 } else { 20029 // throw SecurityException to prevent leaking package information 20030 throw new SecurityException( 20031 "Attempt to change component state; " 20032 + "pid=" + Binder.getCallingPid() 20033 + ", uid=" + callingUid 20034 + (className == null 20035 ? ", package=" + packageName 20036 : ", component=" + packageName + "/" + className)); 20037 } 20038 } 20039 } 20040 20041 // Limit who can change which apps 20042 if (!UserHandle.isSameApp(callingUid, pkgSetting.appId)) { 20043 // Don't allow apps that don't have permission to modify other apps 20044 if (!allowedByPermission 20045 || filterAppAccessLPr(pkgSetting, callingUid, userId)) { 20046 throw new SecurityException( 20047 "Attempt to change component state; " 20048 + "pid=" + Binder.getCallingPid() 20049 + ", uid=" + callingUid 20050 + (className == null 20051 ? ", package=" + packageName 20052 : ", component=" + packageName + "/" + className)); 20053 } 20054 // Don't allow changing protected packages. 20055 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 20056 throw new SecurityException("Cannot disable a protected package: " + packageName); 20057 } 20058 } 20059 20060 synchronized (mPackages) { 20061 if (callingUid == Process.SHELL_UID 20062 && (pkgSetting.pkgFlags & ApplicationInfo.FLAG_TEST_ONLY) == 0) { 20063 // Shell can only change whole packages between ENABLED and DISABLED_USER states 20064 // unless it is a test package. 20065 int oldState = pkgSetting.getEnabled(userId); 20066 if (className == null 20067 && 20068 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 20069 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 20070 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 20071 && 20072 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 20073 || newState == COMPONENT_ENABLED_STATE_DEFAULT 20074 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 20075 // ok 20076 } else { 20077 throw new SecurityException( 20078 "Shell cannot change component state for " + packageName + "/" 20079 + className + " to " + newState); 20080 } 20081 } 20082 } 20083 if (className == null) { 20084 // We're dealing with an application/package level state change 20085 synchronized (mPackages) { 20086 if (pkgSetting.getEnabled(userId) == newState) { 20087 // Nothing to do 20088 return; 20089 } 20090 } 20091 // If we're enabling a system stub, there's a little more work to do. 20092 // Prior to enabling the package, we need to decompress the APK(s) to the 20093 // data partition and then replace the version on the system partition. 20094 final PackageParser.Package deletedPkg = pkgSetting.pkg; 20095 final boolean isSystemStub = deletedPkg.isStub 20096 && deletedPkg.isSystem(); 20097 if (isSystemStub 20098 && (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 20099 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED)) { 20100 final File codePath = decompressPackage(deletedPkg); 20101 if (codePath == null) { 20102 Slog.e(TAG, "couldn't decompress pkg: " + pkgSetting.name); 20103 return; 20104 } 20105 // TODO remove direct parsing of the package object during internal cleanup 20106 // of scan package 20107 // We need to call parse directly here for no other reason than we need 20108 // the new package in order to disable the old one [we use the information 20109 // for some internal optimization to optionally create a new package setting 20110 // object on replace]. However, we can't get the package from the scan 20111 // because the scan modifies live structures and we need to remove the 20112 // old [system] package from the system before a scan can be attempted. 20113 // Once scan is indempotent we can remove this parse and use the package 20114 // object we scanned, prior to adding it to package settings. 20115 final PackageParser pp = new PackageParser(); 20116 pp.setSeparateProcesses(mSeparateProcesses); 20117 pp.setDisplayMetrics(mMetrics); 20118 pp.setCallback(mPackageParserCallback); 20119 final PackageParser.Package tmpPkg; 20120 try { 20121 final @ParseFlags int parseFlags = mDefParseFlags 20122 | PackageParser.PARSE_MUST_BE_APK 20123 | PackageParser.PARSE_IS_SYSTEM_DIR; 20124 tmpPkg = pp.parsePackage(codePath, parseFlags); 20125 } catch (PackageParserException e) { 20126 Slog.w(TAG, "Failed to parse compressed system package:" + pkgSetting.name, e); 20127 return; 20128 } 20129 synchronized (mInstallLock) { 20130 // Disable the stub and remove any package entries 20131 removePackageLI(deletedPkg, true); 20132 synchronized (mPackages) { 20133 disableSystemPackageLPw(deletedPkg, tmpPkg); 20134 } 20135 final PackageParser.Package pkg; 20136 try (PackageFreezer freezer = 20137 freezePackage(deletedPkg.packageName, "setEnabledSetting")) { 20138 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 20139 | PackageParser.PARSE_ENFORCE_CODE; 20140 pkg = scanPackageTracedLI(codePath, parseFlags, 0 /*scanFlags*/, 20141 0 /*currentTime*/, null /*user*/); 20142 prepareAppDataAfterInstallLIF(pkg); 20143 synchronized (mPackages) { 20144 try { 20145 updateSharedLibrariesLPr(pkg, null); 20146 } catch (PackageManagerException e) { 20147 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: ", e); 20148 } 20149 mPermissionManager.updatePermissions( 20150 pkg.packageName, pkg, true, mPackages.values(), 20151 mPermissionCallback); 20152 mSettings.writeLPr(); 20153 } 20154 } catch (PackageManagerException e) { 20155 // Whoops! Something went wrong; try to roll back to the stub 20156 Slog.w(TAG, "Failed to install compressed system package:" 20157 + pkgSetting.name, e); 20158 // Remove the failed install 20159 removeCodePathLI(codePath); 20160 20161 // Install the system package 20162 try (PackageFreezer freezer = 20163 freezePackage(deletedPkg.packageName, "setEnabledSetting")) { 20164 synchronized (mPackages) { 20165 // NOTE: The system package always needs to be enabled; even 20166 // if it's for a compressed stub. If we don't, installing the 20167 // system package fails during scan [scanning checks the disabled 20168 // packages]. We will reverse this later, after we've "installed" 20169 // the stub. 20170 // This leaves us in a fragile state; the stub should never be 20171 // enabled, so, cross your fingers and hope nothing goes wrong 20172 // until we can disable the package later. 20173 enableSystemPackageLPw(deletedPkg); 20174 } 20175 installPackageFromSystemLIF(deletedPkg.codePath, 20176 false /*isPrivileged*/, null /*allUserHandles*/, 20177 null /*origUserHandles*/, null /*origPermissionsState*/, 20178 true /*writeSettings*/); 20179 } catch (PackageManagerException pme) { 20180 Slog.w(TAG, "Failed to restore system package:" 20181 + deletedPkg.packageName, pme); 20182 } finally { 20183 synchronized (mPackages) { 20184 mSettings.disableSystemPackageLPw( 20185 deletedPkg.packageName, true /*replaced*/); 20186 mSettings.writeLPr(); 20187 } 20188 } 20189 return; 20190 } 20191 clearAppDataLIF(pkg, UserHandle.USER_ALL, FLAG_STORAGE_DE 20192 | FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 20193 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 20194 mDexManager.notifyPackageUpdated(pkg.packageName, 20195 pkg.baseCodePath, pkg.splitCodePaths); 20196 } 20197 } 20198 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 20199 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 20200 // Don't care about who enables an app. 20201 callingPackage = null; 20202 } 20203 synchronized (mPackages) { 20204 pkgSetting.setEnabled(newState, userId, callingPackage); 20205 } 20206 } else { 20207 synchronized (mPackages) { 20208 // We're dealing with a component level state change 20209 // First, verify that this is a valid class name. 20210 PackageParser.Package pkg = pkgSetting.pkg; 20211 if (pkg == null || !pkg.hasComponentClassName(className)) { 20212 if (pkg != null && 20213 pkg.applicationInfo.targetSdkVersion >= 20214 Build.VERSION_CODES.JELLY_BEAN) { 20215 throw new IllegalArgumentException("Component class " + className 20216 + " does not exist in " + packageName); 20217 } else { 20218 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 20219 + className + " does not exist in " + packageName); 20220 } 20221 } 20222 switch (newState) { 20223 case COMPONENT_ENABLED_STATE_ENABLED: 20224 if (!pkgSetting.enableComponentLPw(className, userId)) { 20225 return; 20226 } 20227 break; 20228 case COMPONENT_ENABLED_STATE_DISABLED: 20229 if (!pkgSetting.disableComponentLPw(className, userId)) { 20230 return; 20231 } 20232 break; 20233 case COMPONENT_ENABLED_STATE_DEFAULT: 20234 if (!pkgSetting.restoreComponentLPw(className, userId)) { 20235 return; 20236 } 20237 break; 20238 default: 20239 Slog.e(TAG, "Invalid new component state: " + newState); 20240 return; 20241 } 20242 } 20243 } 20244 synchronized (mPackages) { 20245 scheduleWritePackageRestrictionsLocked(userId); 20246 updateSequenceNumberLP(pkgSetting, new int[] { userId }); 20247 final long callingId = Binder.clearCallingIdentity(); 20248 try { 20249 updateInstantAppInstallerLocked(packageName); 20250 } finally { 20251 Binder.restoreCallingIdentity(callingId); 20252 } 20253 components = mPendingBroadcasts.get(userId, packageName); 20254 final boolean newPackage = components == null; 20255 if (newPackage) { 20256 components = new ArrayList<String>(); 20257 } 20258 if (!components.contains(componentName)) { 20259 components.add(componentName); 20260 } 20261 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 20262 sendNow = true; 20263 // Purge entry from pending broadcast list if another one exists already 20264 // since we are sending one right away. 20265 mPendingBroadcasts.remove(userId, packageName); 20266 } else { 20267 if (newPackage) { 20268 mPendingBroadcasts.put(userId, packageName, components); 20269 } 20270 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 20271 // Schedule a message 20272 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 20273 } 20274 } 20275 } 20276 20277 long callingId = Binder.clearCallingIdentity(); 20278 try { 20279 if (sendNow) { 20280 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 20281 sendPackageChangedBroadcast(packageName, 20282 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 20283 } 20284 } finally { 20285 Binder.restoreCallingIdentity(callingId); 20286 } 20287 } 20288 20289 @Override 20290 public void flushPackageRestrictionsAsUser(int userId) { 20291 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 20292 return; 20293 } 20294 if (!sUserManager.exists(userId)) { 20295 return; 20296 } 20297 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 20298 false /* checkShell */, "flushPackageRestrictions"); 20299 synchronized (mPackages) { 20300 mSettings.writePackageRestrictionsLPr(userId); 20301 mDirtyUsers.remove(userId); 20302 if (mDirtyUsers.isEmpty()) { 20303 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 20304 } 20305 } 20306 } 20307 20308 private void sendPackageChangedBroadcast(String packageName, 20309 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 20310 if (DEBUG_INSTALL) 20311 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 20312 + componentNames); 20313 Bundle extras = new Bundle(4); 20314 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 20315 String nameList[] = new String[componentNames.size()]; 20316 componentNames.toArray(nameList); 20317 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 20318 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 20319 extras.putInt(Intent.EXTRA_UID, packageUid); 20320 // If this is not reporting a change of the overall package, then only send it 20321 // to registered receivers. We don't want to launch a swath of apps for every 20322 // little component state change. 20323 final int flags = !componentNames.contains(packageName) 20324 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 20325 final int userId = UserHandle.getUserId(packageUid); 20326 final boolean isInstantApp = isInstantApp(packageName, userId); 20327 final int[] userIds = isInstantApp ? EMPTY_INT_ARRAY : new int[] { userId }; 20328 final int[] instantUserIds = isInstantApp ? new int[] { userId } : EMPTY_INT_ARRAY; 20329 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 20330 userIds, instantUserIds); 20331 } 20332 20333 @Override 20334 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 20335 if (!sUserManager.exists(userId)) return; 20336 final int callingUid = Binder.getCallingUid(); 20337 if (getInstantAppPackageName(callingUid) != null) { 20338 return; 20339 } 20340 final int permission = mContext.checkCallingOrSelfPermission( 20341 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 20342 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 20343 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 20344 true /* requireFullPermission */, true /* checkShell */, "stop package"); 20345 // writer 20346 synchronized (mPackages) { 20347 final PackageSetting ps = mSettings.mPackages.get(packageName); 20348 if (!filterAppAccessLPr(ps, callingUid, userId) 20349 && mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 20350 allowedByPermission, callingUid, userId)) { 20351 scheduleWritePackageRestrictionsLocked(userId); 20352 } 20353 } 20354 } 20355 20356 @Override 20357 public String getInstallerPackageName(String packageName) { 20358 final int callingUid = Binder.getCallingUid(); 20359 if (getInstantAppPackageName(callingUid) != null) { 20360 return null; 20361 } 20362 // reader 20363 synchronized (mPackages) { 20364 final PackageSetting ps = mSettings.mPackages.get(packageName); 20365 if (filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 20366 return null; 20367 } 20368 return mSettings.getInstallerPackageNameLPr(packageName); 20369 } 20370 } 20371 20372 public boolean isOrphaned(String packageName) { 20373 // reader 20374 synchronized (mPackages) { 20375 return mSettings.isOrphaned(packageName); 20376 } 20377 } 20378 20379 @Override 20380 public int getApplicationEnabledSetting(String packageName, int userId) { 20381 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 20382 int callingUid = Binder.getCallingUid(); 20383 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 20384 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 20385 // reader 20386 synchronized (mPackages) { 20387 if (filterAppAccessLPr(mSettings.getPackageLPr(packageName), callingUid, userId)) { 20388 return COMPONENT_ENABLED_STATE_DISABLED; 20389 } 20390 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 20391 } 20392 } 20393 20394 @Override 20395 public int getComponentEnabledSetting(ComponentName component, int userId) { 20396 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 20397 int callingUid = Binder.getCallingUid(); 20398 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 20399 false /*requireFullPermission*/, false /*checkShell*/, "getComponentEnabled"); 20400 synchronized (mPackages) { 20401 if (filterAppAccessLPr(mSettings.getPackageLPr(component.getPackageName()), callingUid, 20402 component, TYPE_UNKNOWN, userId)) { 20403 return COMPONENT_ENABLED_STATE_DISABLED; 20404 } 20405 return mSettings.getComponentEnabledSettingLPr(component, userId); 20406 } 20407 } 20408 20409 @Override 20410 public void enterSafeMode() { 20411 enforceSystemOrRoot("Only the system can request entering safe mode"); 20412 20413 if (!mSystemReady) { 20414 mSafeMode = true; 20415 } 20416 } 20417 20418 @Override 20419 public void systemReady() { 20420 enforceSystemOrRoot("Only the system can claim the system is ready"); 20421 20422 mSystemReady = true; 20423 final ContentResolver resolver = mContext.getContentResolver(); 20424 ContentObserver co = new ContentObserver(mHandler) { 20425 @Override 20426 public void onChange(boolean selfChange) { 20427 mEphemeralAppsDisabled = 20428 (Global.getInt(resolver, Global.ENABLE_EPHEMERAL_FEATURE, 1) == 0) || 20429 (Secure.getInt(resolver, Secure.INSTANT_APPS_ENABLED, 1) == 0); 20430 } 20431 }; 20432 mContext.getContentResolver().registerContentObserver(android.provider.Settings.Global 20433 .getUriFor(Global.ENABLE_EPHEMERAL_FEATURE), 20434 false, co, UserHandle.USER_SYSTEM); 20435 mContext.getContentResolver().registerContentObserver(android.provider.Settings.Global 20436 .getUriFor(Secure.INSTANT_APPS_ENABLED), false, co, UserHandle.USER_SYSTEM); 20437 co.onChange(true); 20438 20439 // This observer provides an one directional mapping from Global.PRIV_APP_OOB_ENABLED to 20440 // pm.dexopt.priv-apps-oob property. This is only for experiment and should be removed once 20441 // it is done. 20442 ContentObserver privAppOobObserver = new ContentObserver(mHandler) { 20443 @Override 20444 public void onChange(boolean selfChange) { 20445 int oobEnabled = Global.getInt(resolver, Global.PRIV_APP_OOB_ENABLED, 0); 20446 SystemProperties.set(PROPERTY_NAME_PM_DEXOPT_PRIV_APPS_OOB, 20447 oobEnabled == 1 ? "true" : "false"); 20448 } 20449 }; 20450 mContext.getContentResolver().registerContentObserver( 20451 Global.getUriFor(Global.PRIV_APP_OOB_ENABLED), false, privAppOobObserver, 20452 UserHandle.USER_SYSTEM); 20453 // At boot, restore the value from the setting, which persists across reboot. 20454 privAppOobObserver.onChange(true); 20455 20456 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 20457 // disabled after already being started. 20458 CarrierAppUtils.disableCarrierAppsUntilPrivileged(mContext.getOpPackageName(), this, 20459 mContext.getContentResolver(), UserHandle.USER_SYSTEM); 20460 20461 // Read the compatibilty setting when the system is ready. 20462 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 20463 mContext.getContentResolver(), 20464 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 20465 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 20466 if (DEBUG_SETTINGS) { 20467 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 20468 } 20469 20470 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 20471 20472 synchronized (mPackages) { 20473 // Verify that all of the preferred activity components actually 20474 // exist. It is possible for applications to be updated and at 20475 // that point remove a previously declared activity component that 20476 // had been set as a preferred activity. We try to clean this up 20477 // the next time we encounter that preferred activity, but it is 20478 // possible for the user flow to never be able to return to that 20479 // situation so here we do a sanity check to make sure we haven't 20480 // left any junk around. 20481 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 20482 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 20483 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 20484 removed.clear(); 20485 for (PreferredActivity pa : pir.filterSet()) { 20486 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 20487 removed.add(pa); 20488 } 20489 } 20490 if (removed.size() > 0) { 20491 for (int r=0; r<removed.size(); r++) { 20492 PreferredActivity pa = removed.get(r); 20493 Slog.w(TAG, "Removing dangling preferred activity: " 20494 + pa.mPref.mComponent); 20495 pir.removeFilter(pa); 20496 } 20497 mSettings.writePackageRestrictionsLPr( 20498 mSettings.mPreferredActivities.keyAt(i)); 20499 } 20500 } 20501 20502 for (int userId : UserManagerService.getInstance().getUserIds()) { 20503 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 20504 grantPermissionsUserIds = ArrayUtils.appendInt( 20505 grantPermissionsUserIds, userId); 20506 } 20507 } 20508 } 20509 sUserManager.systemReady(); 20510 // If we upgraded grant all default permissions before kicking off. 20511 for (int userId : grantPermissionsUserIds) { 20512 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 20513 } 20514 20515 if (grantPermissionsUserIds == EMPTY_INT_ARRAY) { 20516 // If we did not grant default permissions, we preload from this the 20517 // default permission exceptions lazily to ensure we don't hit the 20518 // disk on a new user creation. 20519 mDefaultPermissionPolicy.scheduleReadDefaultPermissionExceptions(); 20520 } 20521 20522 // Now that we've scanned all packages, and granted any default 20523 // permissions, ensure permissions are updated. Beware of dragons if you 20524 // try optimizing this. 20525 synchronized (mPackages) { 20526 mPermissionManager.updateAllPermissions( 20527 StorageManager.UUID_PRIVATE_INTERNAL, false, mPackages.values(), 20528 mPermissionCallback); 20529 } 20530 20531 // Kick off any messages waiting for system ready 20532 if (mPostSystemReadyMessages != null) { 20533 for (Message msg : mPostSystemReadyMessages) { 20534 msg.sendToTarget(); 20535 } 20536 mPostSystemReadyMessages = null; 20537 } 20538 20539 // Watch for external volumes that come and go over time 20540 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20541 storage.registerListener(mStorageListener); 20542 20543 mInstallerService.systemReady(); 20544 mPackageDexOptimizer.systemReady(); 20545 20546 StorageManagerInternal StorageManagerInternal = LocalServices.getService( 20547 StorageManagerInternal.class); 20548 StorageManagerInternal.addExternalStoragePolicy( 20549 new StorageManagerInternal.ExternalStorageMountPolicy() { 20550 @Override 20551 public int getMountMode(int uid, String packageName) { 20552 if (Process.isIsolated(uid)) { 20553 return Zygote.MOUNT_EXTERNAL_NONE; 20554 } 20555 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 20556 return Zygote.MOUNT_EXTERNAL_DEFAULT; 20557 } 20558 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 20559 return Zygote.MOUNT_EXTERNAL_DEFAULT; 20560 } 20561 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 20562 return Zygote.MOUNT_EXTERNAL_READ; 20563 } 20564 return Zygote.MOUNT_EXTERNAL_WRITE; 20565 } 20566 20567 @Override 20568 public boolean hasExternalStorage(int uid, String packageName) { 20569 return true; 20570 } 20571 }); 20572 20573 // Now that we're mostly running, clean up stale users and apps 20574 sUserManager.reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 20575 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 20576 20577 mPermissionManager.systemReady(); 20578 } 20579 20580 public void waitForAppDataPrepared() { 20581 if (mPrepareAppDataFuture == null) { 20582 return; 20583 } 20584 ConcurrentUtils.waitForFutureNoInterrupt(mPrepareAppDataFuture, "wait for prepareAppData"); 20585 mPrepareAppDataFuture = null; 20586 } 20587 20588 @Override 20589 public boolean isSafeMode() { 20590 // allow instant applications 20591 return mSafeMode; 20592 } 20593 20594 @Override 20595 public boolean hasSystemUidErrors() { 20596 // allow instant applications 20597 return mHasSystemUidErrors; 20598 } 20599 20600 static String arrayToString(int[] array) { 20601 StringBuffer buf = new StringBuffer(128); 20602 buf.append('['); 20603 if (array != null) { 20604 for (int i=0; i<array.length; i++) { 20605 if (i > 0) buf.append(", "); 20606 buf.append(array[i]); 20607 } 20608 } 20609 buf.append(']'); 20610 return buf.toString(); 20611 } 20612 20613 @Override 20614 public void onShellCommand(FileDescriptor in, FileDescriptor out, 20615 FileDescriptor err, String[] args, ShellCallback callback, 20616 ResultReceiver resultReceiver) { 20617 (new PackageManagerShellCommand(this)).exec( 20618 this, in, out, err, args, callback, resultReceiver); 20619 } 20620 20621 @Override 20622 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 20623 if (!DumpUtils.checkDumpAndUsageStatsPermission(mContext, TAG, pw)) return; 20624 20625 DumpState dumpState = new DumpState(); 20626 boolean fullPreferred = false; 20627 boolean checkin = false; 20628 20629 String packageName = null; 20630 ArraySet<String> permissionNames = null; 20631 20632 int opti = 0; 20633 while (opti < args.length) { 20634 String opt = args[opti]; 20635 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 20636 break; 20637 } 20638 opti++; 20639 20640 if ("-a".equals(opt)) { 20641 // Right now we only know how to print all. 20642 } else if ("-h".equals(opt)) { 20643 pw.println("Package manager dump options:"); 20644 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 20645 pw.println(" --checkin: dump for a checkin"); 20646 pw.println(" -f: print details of intent filters"); 20647 pw.println(" -h: print this help"); 20648 pw.println(" cmd may be one of:"); 20649 pw.println(" l[ibraries]: list known shared libraries"); 20650 pw.println(" f[eatures]: list device features"); 20651 pw.println(" k[eysets]: print known keysets"); 20652 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 20653 pw.println(" perm[issions]: dump permissions"); 20654 pw.println(" permission [name ...]: dump declaration and use of given permission"); 20655 pw.println(" pref[erred]: print preferred package settings"); 20656 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 20657 pw.println(" prov[iders]: dump content providers"); 20658 pw.println(" p[ackages]: dump installed packages"); 20659 pw.println(" s[hared-users]: dump shared user IDs"); 20660 pw.println(" m[essages]: print collected runtime messages"); 20661 pw.println(" v[erifiers]: print package verifier info"); 20662 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 20663 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 20664 pw.println(" version: print database version info"); 20665 pw.println(" write: write current settings now"); 20666 pw.println(" installs: details about install sessions"); 20667 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 20668 pw.println(" dexopt: dump dexopt state"); 20669 pw.println(" compiler-stats: dump compiler statistics"); 20670 pw.println(" enabled-overlays: dump list of enabled overlay packages"); 20671 pw.println(" service-permissions: dump permissions required by services"); 20672 pw.println(" <package.name>: info about given package"); 20673 return; 20674 } else if ("--checkin".equals(opt)) { 20675 checkin = true; 20676 } else if ("-f".equals(opt)) { 20677 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 20678 } else if ("--proto".equals(opt)) { 20679 dumpProto(fd); 20680 return; 20681 } else { 20682 pw.println("Unknown argument: " + opt + "; use -h for help"); 20683 } 20684 } 20685 20686 // Is the caller requesting to dump a particular piece of data? 20687 if (opti < args.length) { 20688 String cmd = args[opti]; 20689 opti++; 20690 // Is this a package name? 20691 if ("android".equals(cmd) || cmd.contains(".")) { 20692 packageName = cmd; 20693 // When dumping a single package, we always dump all of its 20694 // filter information since the amount of data will be reasonable. 20695 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 20696 } else if ("check-permission".equals(cmd)) { 20697 if (opti >= args.length) { 20698 pw.println("Error: check-permission missing permission argument"); 20699 return; 20700 } 20701 String perm = args[opti]; 20702 opti++; 20703 if (opti >= args.length) { 20704 pw.println("Error: check-permission missing package argument"); 20705 return; 20706 } 20707 20708 String pkg = args[opti]; 20709 opti++; 20710 int user = UserHandle.getUserId(Binder.getCallingUid()); 20711 if (opti < args.length) { 20712 try { 20713 user = Integer.parseInt(args[opti]); 20714 } catch (NumberFormatException e) { 20715 pw.println("Error: check-permission user argument is not a number: " 20716 + args[opti]); 20717 return; 20718 } 20719 } 20720 20721 // Normalize package name to handle renamed packages and static libs 20722 pkg = resolveInternalPackageNameLPr(pkg, PackageManager.VERSION_CODE_HIGHEST); 20723 20724 pw.println(checkPermission(perm, pkg, user)); 20725 return; 20726 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 20727 dumpState.setDump(DumpState.DUMP_LIBS); 20728 } else if ("f".equals(cmd) || "features".equals(cmd)) { 20729 dumpState.setDump(DumpState.DUMP_FEATURES); 20730 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 20731 if (opti >= args.length) { 20732 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 20733 | DumpState.DUMP_SERVICE_RESOLVERS 20734 | DumpState.DUMP_RECEIVER_RESOLVERS 20735 | DumpState.DUMP_CONTENT_RESOLVERS); 20736 } else { 20737 while (opti < args.length) { 20738 String name = args[opti]; 20739 if ("a".equals(name) || "activity".equals(name)) { 20740 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 20741 } else if ("s".equals(name) || "service".equals(name)) { 20742 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 20743 } else if ("r".equals(name) || "receiver".equals(name)) { 20744 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 20745 } else if ("c".equals(name) || "content".equals(name)) { 20746 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 20747 } else { 20748 pw.println("Error: unknown resolver table type: " + name); 20749 return; 20750 } 20751 opti++; 20752 } 20753 } 20754 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 20755 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 20756 } else if ("permission".equals(cmd)) { 20757 if (opti >= args.length) { 20758 pw.println("Error: permission requires permission name"); 20759 return; 20760 } 20761 permissionNames = new ArraySet<>(); 20762 while (opti < args.length) { 20763 permissionNames.add(args[opti]); 20764 opti++; 20765 } 20766 dumpState.setDump(DumpState.DUMP_PERMISSIONS 20767 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 20768 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 20769 dumpState.setDump(DumpState.DUMP_PREFERRED); 20770 } else if ("preferred-xml".equals(cmd)) { 20771 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 20772 if (opti < args.length && "--full".equals(args[opti])) { 20773 fullPreferred = true; 20774 opti++; 20775 } 20776 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 20777 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 20778 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 20779 dumpState.setDump(DumpState.DUMP_PACKAGES); 20780 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 20781 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 20782 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 20783 dumpState.setDump(DumpState.DUMP_PROVIDERS); 20784 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 20785 dumpState.setDump(DumpState.DUMP_MESSAGES); 20786 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 20787 dumpState.setDump(DumpState.DUMP_VERIFIERS); 20788 } else if ("i".equals(cmd) || "ifv".equals(cmd) 20789 || "intent-filter-verifiers".equals(cmd)) { 20790 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 20791 } else if ("version".equals(cmd)) { 20792 dumpState.setDump(DumpState.DUMP_VERSION); 20793 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 20794 dumpState.setDump(DumpState.DUMP_KEYSETS); 20795 } else if ("installs".equals(cmd)) { 20796 dumpState.setDump(DumpState.DUMP_INSTALLS); 20797 } else if ("frozen".equals(cmd)) { 20798 dumpState.setDump(DumpState.DUMP_FROZEN); 20799 } else if ("volumes".equals(cmd)) { 20800 dumpState.setDump(DumpState.DUMP_VOLUMES); 20801 } else if ("dexopt".equals(cmd)) { 20802 dumpState.setDump(DumpState.DUMP_DEXOPT); 20803 } else if ("compiler-stats".equals(cmd)) { 20804 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 20805 } else if ("changes".equals(cmd)) { 20806 dumpState.setDump(DumpState.DUMP_CHANGES); 20807 } else if ("service-permissions".equals(cmd)) { 20808 dumpState.setDump(DumpState.DUMP_SERVICE_PERMISSIONS); 20809 } else if ("write".equals(cmd)) { 20810 synchronized (mPackages) { 20811 mSettings.writeLPr(); 20812 pw.println("Settings written."); 20813 return; 20814 } 20815 } 20816 } 20817 20818 if (checkin) { 20819 pw.println("vers,1"); 20820 } 20821 20822 // reader 20823 synchronized (mPackages) { 20824 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 20825 if (!checkin) { 20826 if (dumpState.onTitlePrinted()) 20827 pw.println(); 20828 pw.println("Database versions:"); 20829 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 20830 } 20831 } 20832 20833 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 20834 if (!checkin) { 20835 if (dumpState.onTitlePrinted()) 20836 pw.println(); 20837 pw.println("Verifiers:"); 20838 pw.print(" Required: "); 20839 pw.print(mRequiredVerifierPackage); 20840 pw.print(" (uid="); 20841 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 20842 UserHandle.USER_SYSTEM)); 20843 pw.println(")"); 20844 } else if (mRequiredVerifierPackage != null) { 20845 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 20846 pw.print(","); 20847 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 20848 UserHandle.USER_SYSTEM)); 20849 } 20850 } 20851 20852 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 20853 packageName == null) { 20854 if (mIntentFilterVerifierComponent != null) { 20855 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 20856 if (!checkin) { 20857 if (dumpState.onTitlePrinted()) 20858 pw.println(); 20859 pw.println("Intent Filter Verifier:"); 20860 pw.print(" Using: "); 20861 pw.print(verifierPackageName); 20862 pw.print(" (uid="); 20863 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 20864 UserHandle.USER_SYSTEM)); 20865 pw.println(")"); 20866 } else if (verifierPackageName != null) { 20867 pw.print("ifv,"); pw.print(verifierPackageName); 20868 pw.print(","); 20869 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 20870 UserHandle.USER_SYSTEM)); 20871 } 20872 } else { 20873 pw.println(); 20874 pw.println("No Intent Filter Verifier available!"); 20875 } 20876 } 20877 20878 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 20879 boolean printedHeader = false; 20880 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 20881 while (it.hasNext()) { 20882 String libName = it.next(); 20883 LongSparseArray<SharedLibraryEntry> versionedLib 20884 = mSharedLibraries.get(libName); 20885 if (versionedLib == null) { 20886 continue; 20887 } 20888 final int versionCount = versionedLib.size(); 20889 for (int i = 0; i < versionCount; i++) { 20890 SharedLibraryEntry libEntry = versionedLib.valueAt(i); 20891 if (!checkin) { 20892 if (!printedHeader) { 20893 if (dumpState.onTitlePrinted()) 20894 pw.println(); 20895 pw.println("Libraries:"); 20896 printedHeader = true; 20897 } 20898 pw.print(" "); 20899 } else { 20900 pw.print("lib,"); 20901 } 20902 pw.print(libEntry.info.getName()); 20903 if (libEntry.info.isStatic()) { 20904 pw.print(" version=" + libEntry.info.getLongVersion()); 20905 } 20906 if (!checkin) { 20907 pw.print(" -> "); 20908 } 20909 if (libEntry.path != null) { 20910 pw.print(" (jar) "); 20911 pw.print(libEntry.path); 20912 } else { 20913 pw.print(" (apk) "); 20914 pw.print(libEntry.apk); 20915 } 20916 pw.println(); 20917 } 20918 } 20919 } 20920 20921 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 20922 if (dumpState.onTitlePrinted()) 20923 pw.println(); 20924 if (!checkin) { 20925 pw.println("Features:"); 20926 } 20927 20928 synchronized (mAvailableFeatures) { 20929 for (FeatureInfo feat : mAvailableFeatures.values()) { 20930 if (checkin) { 20931 pw.print("feat,"); 20932 pw.print(feat.name); 20933 pw.print(","); 20934 pw.println(feat.version); 20935 } else { 20936 pw.print(" "); 20937 pw.print(feat.name); 20938 if (feat.version > 0) { 20939 pw.print(" version="); 20940 pw.print(feat.version); 20941 } 20942 pw.println(); 20943 } 20944 } 20945 } 20946 } 20947 20948 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 20949 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 20950 : "Activity Resolver Table:", " ", packageName, 20951 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20952 dumpState.setTitlePrinted(true); 20953 } 20954 } 20955 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 20956 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 20957 : "Receiver Resolver Table:", " ", packageName, 20958 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20959 dumpState.setTitlePrinted(true); 20960 } 20961 } 20962 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 20963 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 20964 : "Service Resolver Table:", " ", packageName, 20965 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20966 dumpState.setTitlePrinted(true); 20967 } 20968 } 20969 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 20970 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 20971 : "Provider Resolver Table:", " ", packageName, 20972 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20973 dumpState.setTitlePrinted(true); 20974 } 20975 } 20976 20977 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 20978 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 20979 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 20980 int user = mSettings.mPreferredActivities.keyAt(i); 20981 if (pir.dump(pw, 20982 dumpState.getTitlePrinted() 20983 ? "\nPreferred Activities User " + user + ":" 20984 : "Preferred Activities User " + user + ":", " ", 20985 packageName, true, false)) { 20986 dumpState.setTitlePrinted(true); 20987 } 20988 } 20989 } 20990 20991 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 20992 pw.flush(); 20993 FileOutputStream fout = new FileOutputStream(fd); 20994 BufferedOutputStream str = new BufferedOutputStream(fout); 20995 XmlSerializer serializer = new FastXmlSerializer(); 20996 try { 20997 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 20998 serializer.startDocument(null, true); 20999 serializer.setFeature( 21000 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 21001 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 21002 serializer.endDocument(); 21003 serializer.flush(); 21004 } catch (IllegalArgumentException e) { 21005 pw.println("Failed writing: " + e); 21006 } catch (IllegalStateException e) { 21007 pw.println("Failed writing: " + e); 21008 } catch (IOException e) { 21009 pw.println("Failed writing: " + e); 21010 } 21011 } 21012 21013 if (!checkin 21014 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 21015 && packageName == null) { 21016 pw.println(); 21017 int count = mSettings.mPackages.size(); 21018 if (count == 0) { 21019 pw.println("No applications!"); 21020 pw.println(); 21021 } else { 21022 final String prefix = " "; 21023 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 21024 if (allPackageSettings.size() == 0) { 21025 pw.println("No domain preferred apps!"); 21026 pw.println(); 21027 } else { 21028 pw.println("App verification status:"); 21029 pw.println(); 21030 count = 0; 21031 for (PackageSetting ps : allPackageSettings) { 21032 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 21033 if (ivi == null || ivi.getPackageName() == null) continue; 21034 pw.println(prefix + "Package: " + ivi.getPackageName()); 21035 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 21036 pw.println(prefix + "Status: " + ivi.getStatusString()); 21037 pw.println(); 21038 count++; 21039 } 21040 if (count == 0) { 21041 pw.println(prefix + "No app verification established."); 21042 pw.println(); 21043 } 21044 for (int userId : sUserManager.getUserIds()) { 21045 pw.println("App linkages for user " + userId + ":"); 21046 pw.println(); 21047 count = 0; 21048 for (PackageSetting ps : allPackageSettings) { 21049 final long status = ps.getDomainVerificationStatusForUser(userId); 21050 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED 21051 && !DEBUG_DOMAIN_VERIFICATION) { 21052 continue; 21053 } 21054 pw.println(prefix + "Package: " + ps.name); 21055 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 21056 String statusStr = IntentFilterVerificationInfo. 21057 getStatusStringFromValue(status); 21058 pw.println(prefix + "Status: " + statusStr); 21059 pw.println(); 21060 count++; 21061 } 21062 if (count == 0) { 21063 pw.println(prefix + "No configured app linkages."); 21064 pw.println(); 21065 } 21066 } 21067 } 21068 } 21069 } 21070 21071 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 21072 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 21073 } 21074 21075 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 21076 boolean printedSomething = false; 21077 for (PackageParser.Provider p : mProviders.mProviders.values()) { 21078 if (packageName != null && !packageName.equals(p.info.packageName)) { 21079 continue; 21080 } 21081 if (!printedSomething) { 21082 if (dumpState.onTitlePrinted()) 21083 pw.println(); 21084 pw.println("Registered ContentProviders:"); 21085 printedSomething = true; 21086 } 21087 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 21088 pw.print(" "); pw.println(p.toString()); 21089 } 21090 printedSomething = false; 21091 for (Map.Entry<String, PackageParser.Provider> entry : 21092 mProvidersByAuthority.entrySet()) { 21093 PackageParser.Provider p = entry.getValue(); 21094 if (packageName != null && !packageName.equals(p.info.packageName)) { 21095 continue; 21096 } 21097 if (!printedSomething) { 21098 if (dumpState.onTitlePrinted()) 21099 pw.println(); 21100 pw.println("ContentProvider Authorities:"); 21101 printedSomething = true; 21102 } 21103 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 21104 pw.print(" "); pw.println(p.toString()); 21105 if (p.info != null && p.info.applicationInfo != null) { 21106 final String appInfo = p.info.applicationInfo.toString(); 21107 pw.print(" applicationInfo="); pw.println(appInfo); 21108 } 21109 } 21110 } 21111 21112 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 21113 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 21114 } 21115 21116 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 21117 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 21118 } 21119 21120 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 21121 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 21122 } 21123 21124 if (dumpState.isDumping(DumpState.DUMP_CHANGES)) { 21125 if (dumpState.onTitlePrinted()) pw.println(); 21126 pw.println("Package Changes:"); 21127 pw.print(" Sequence number="); pw.println(mChangedPackagesSequenceNumber); 21128 final int K = mChangedPackages.size(); 21129 for (int i = 0; i < K; i++) { 21130 final SparseArray<String> changes = mChangedPackages.valueAt(i); 21131 pw.print(" User "); pw.print(mChangedPackages.keyAt(i)); pw.println(":"); 21132 final int N = changes.size(); 21133 if (N == 0) { 21134 pw.print(" "); pw.println("No packages changed"); 21135 } else { 21136 for (int j = 0; j < N; j++) { 21137 final String pkgName = changes.valueAt(j); 21138 final int sequenceNumber = changes.keyAt(j); 21139 pw.print(" "); 21140 pw.print("seq="); 21141 pw.print(sequenceNumber); 21142 pw.print(", package="); 21143 pw.println(pkgName); 21144 } 21145 } 21146 } 21147 } 21148 21149 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 21150 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 21151 } 21152 21153 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 21154 // XXX should handle packageName != null by dumping only install data that 21155 // the given package is involved with. 21156 if (dumpState.onTitlePrinted()) pw.println(); 21157 21158 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 21159 ipw.println(); 21160 ipw.println("Frozen packages:"); 21161 ipw.increaseIndent(); 21162 if (mFrozenPackages.size() == 0) { 21163 ipw.println("(none)"); 21164 } else { 21165 for (int i = 0; i < mFrozenPackages.size(); i++) { 21166 ipw.println(mFrozenPackages.valueAt(i)); 21167 } 21168 } 21169 ipw.decreaseIndent(); 21170 } 21171 21172 if (!checkin && dumpState.isDumping(DumpState.DUMP_VOLUMES) && packageName == null) { 21173 if (dumpState.onTitlePrinted()) pw.println(); 21174 21175 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 21176 ipw.println(); 21177 ipw.println("Loaded volumes:"); 21178 ipw.increaseIndent(); 21179 if (mLoadedVolumes.size() == 0) { 21180 ipw.println("(none)"); 21181 } else { 21182 for (int i = 0; i < mLoadedVolumes.size(); i++) { 21183 ipw.println(mLoadedVolumes.valueAt(i)); 21184 } 21185 } 21186 ipw.decreaseIndent(); 21187 } 21188 21189 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_PERMISSIONS) 21190 && packageName == null) { 21191 if (dumpState.onTitlePrinted()) pw.println(); 21192 pw.println("Service permissions:"); 21193 21194 final Iterator<ServiceIntentInfo> filterIterator = mServices.filterIterator(); 21195 while (filterIterator.hasNext()) { 21196 final ServiceIntentInfo info = filterIterator.next(); 21197 final ServiceInfo serviceInfo = info.service.info; 21198 final String permission = serviceInfo.permission; 21199 if (permission != null) { 21200 pw.print(" "); 21201 pw.print(serviceInfo.getComponentName().flattenToShortString()); 21202 pw.print(": "); 21203 pw.println(permission); 21204 } 21205 } 21206 } 21207 21208 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 21209 if (dumpState.onTitlePrinted()) pw.println(); 21210 dumpDexoptStateLPr(pw, packageName); 21211 } 21212 21213 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 21214 if (dumpState.onTitlePrinted()) pw.println(); 21215 dumpCompilerStatsLPr(pw, packageName); 21216 } 21217 21218 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 21219 if (dumpState.onTitlePrinted()) pw.println(); 21220 mSettings.dumpReadMessagesLPr(pw, dumpState); 21221 21222 pw.println(); 21223 pw.println("Package warning messages:"); 21224 dumpCriticalInfo(pw, null); 21225 } 21226 21227 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 21228 dumpCriticalInfo(pw, "msg,"); 21229 } 21230 } 21231 21232 // PackageInstaller should be called outside of mPackages lock 21233 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 21234 // XXX should handle packageName != null by dumping only install data that 21235 // the given package is involved with. 21236 if (dumpState.onTitlePrinted()) pw.println(); 21237 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 21238 } 21239 } 21240 21241 private void dumpProto(FileDescriptor fd) { 21242 final ProtoOutputStream proto = new ProtoOutputStream(fd); 21243 21244 synchronized (mPackages) { 21245 final long requiredVerifierPackageToken = 21246 proto.start(PackageServiceDumpProto.REQUIRED_VERIFIER_PACKAGE); 21247 proto.write(PackageServiceDumpProto.PackageShortProto.NAME, mRequiredVerifierPackage); 21248 proto.write( 21249 PackageServiceDumpProto.PackageShortProto.UID, 21250 getPackageUid( 21251 mRequiredVerifierPackage, 21252 MATCH_DEBUG_TRIAGED_MISSING, 21253 UserHandle.USER_SYSTEM)); 21254 proto.end(requiredVerifierPackageToken); 21255 21256 if (mIntentFilterVerifierComponent != null) { 21257 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 21258 final long verifierPackageToken = 21259 proto.start(PackageServiceDumpProto.VERIFIER_PACKAGE); 21260 proto.write(PackageServiceDumpProto.PackageShortProto.NAME, verifierPackageName); 21261 proto.write( 21262 PackageServiceDumpProto.PackageShortProto.UID, 21263 getPackageUid( 21264 verifierPackageName, 21265 MATCH_DEBUG_TRIAGED_MISSING, 21266 UserHandle.USER_SYSTEM)); 21267 proto.end(verifierPackageToken); 21268 } 21269 21270 dumpSharedLibrariesProto(proto); 21271 dumpFeaturesProto(proto); 21272 mSettings.dumpPackagesProto(proto); 21273 mSettings.dumpSharedUsersProto(proto); 21274 dumpCriticalInfo(proto); 21275 } 21276 proto.flush(); 21277 } 21278 21279 private void dumpFeaturesProto(ProtoOutputStream proto) { 21280 synchronized (mAvailableFeatures) { 21281 final int count = mAvailableFeatures.size(); 21282 for (int i = 0; i < count; i++) { 21283 mAvailableFeatures.valueAt(i).writeToProto(proto, PackageServiceDumpProto.FEATURES); 21284 } 21285 } 21286 } 21287 21288 private void dumpSharedLibrariesProto(ProtoOutputStream proto) { 21289 final int count = mSharedLibraries.size(); 21290 for (int i = 0; i < count; i++) { 21291 final String libName = mSharedLibraries.keyAt(i); 21292 LongSparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(libName); 21293 if (versionedLib == null) { 21294 continue; 21295 } 21296 final int versionCount = versionedLib.size(); 21297 for (int j = 0; j < versionCount; j++) { 21298 final SharedLibraryEntry libEntry = versionedLib.valueAt(j); 21299 final long sharedLibraryToken = 21300 proto.start(PackageServiceDumpProto.SHARED_LIBRARIES); 21301 proto.write(PackageServiceDumpProto.SharedLibraryProto.NAME, libEntry.info.getName()); 21302 final boolean isJar = (libEntry.path != null); 21303 proto.write(PackageServiceDumpProto.SharedLibraryProto.IS_JAR, isJar); 21304 if (isJar) { 21305 proto.write(PackageServiceDumpProto.SharedLibraryProto.PATH, libEntry.path); 21306 } else { 21307 proto.write(PackageServiceDumpProto.SharedLibraryProto.APK, libEntry.apk); 21308 } 21309 proto.end(sharedLibraryToken); 21310 } 21311 } 21312 } 21313 21314 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 21315 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " "); 21316 ipw.println(); 21317 ipw.println("Dexopt state:"); 21318 ipw.increaseIndent(); 21319 Collection<PackageParser.Package> packages = null; 21320 if (packageName != null) { 21321 PackageParser.Package targetPackage = mPackages.get(packageName); 21322 if (targetPackage != null) { 21323 packages = Collections.singletonList(targetPackage); 21324 } else { 21325 ipw.println("Unable to find package: " + packageName); 21326 return; 21327 } 21328 } else { 21329 packages = mPackages.values(); 21330 } 21331 21332 for (PackageParser.Package pkg : packages) { 21333 ipw.println("[" + pkg.packageName + "]"); 21334 ipw.increaseIndent(); 21335 mPackageDexOptimizer.dumpDexoptState(ipw, pkg, 21336 mDexManager.getPackageUseInfoOrDefault(pkg.packageName)); 21337 ipw.decreaseIndent(); 21338 } 21339 } 21340 21341 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 21342 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " "); 21343 ipw.println(); 21344 ipw.println("Compiler stats:"); 21345 ipw.increaseIndent(); 21346 Collection<PackageParser.Package> packages = null; 21347 if (packageName != null) { 21348 PackageParser.Package targetPackage = mPackages.get(packageName); 21349 if (targetPackage != null) { 21350 packages = Collections.singletonList(targetPackage); 21351 } else { 21352 ipw.println("Unable to find package: " + packageName); 21353 return; 21354 } 21355 } else { 21356 packages = mPackages.values(); 21357 } 21358 21359 for (PackageParser.Package pkg : packages) { 21360 ipw.println("[" + pkg.packageName + "]"); 21361 ipw.increaseIndent(); 21362 21363 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 21364 if (stats == null) { 21365 ipw.println("(No recorded stats)"); 21366 } else { 21367 stats.dump(ipw); 21368 } 21369 ipw.decreaseIndent(); 21370 } 21371 } 21372 21373 private String dumpDomainString(String packageName) { 21374 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 21375 .getList(); 21376 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 21377 21378 ArraySet<String> result = new ArraySet<>(); 21379 if (iviList.size() > 0) { 21380 for (IntentFilterVerificationInfo ivi : iviList) { 21381 for (String host : ivi.getDomains()) { 21382 result.add(host); 21383 } 21384 } 21385 } 21386 if (filters != null && filters.size() > 0) { 21387 for (IntentFilter filter : filters) { 21388 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 21389 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 21390 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 21391 result.addAll(filter.getHostsList()); 21392 } 21393 } 21394 } 21395 21396 StringBuilder sb = new StringBuilder(result.size() * 16); 21397 for (String domain : result) { 21398 if (sb.length() > 0) sb.append(" "); 21399 sb.append(domain); 21400 } 21401 return sb.toString(); 21402 } 21403 21404 // ------- apps on sdcard specific code ------- 21405 static final boolean DEBUG_SD_INSTALL = false; 21406 21407 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 21408 21409 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 21410 21411 private boolean mMediaMounted = false; 21412 21413 static String getEncryptKey() { 21414 try { 21415 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 21416 SD_ENCRYPTION_KEYSTORE_NAME); 21417 if (sdEncKey == null) { 21418 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 21419 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 21420 if (sdEncKey == null) { 21421 Slog.e(TAG, "Failed to create encryption keys"); 21422 return null; 21423 } 21424 } 21425 return sdEncKey; 21426 } catch (NoSuchAlgorithmException nsae) { 21427 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 21428 return null; 21429 } catch (IOException ioe) { 21430 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 21431 return null; 21432 } 21433 } 21434 21435 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 21436 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 21437 final int size = infos.size(); 21438 final String[] packageNames = new String[size]; 21439 final int[] packageUids = new int[size]; 21440 for (int i = 0; i < size; i++) { 21441 final ApplicationInfo info = infos.get(i); 21442 packageNames[i] = info.packageName; 21443 packageUids[i] = info.uid; 21444 } 21445 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 21446 finishedReceiver); 21447 } 21448 21449 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 21450 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 21451 sendResourcesChangedBroadcast(mediaStatus, replacing, 21452 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 21453 } 21454 21455 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 21456 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 21457 int size = pkgList.length; 21458 if (size > 0) { 21459 // Send broadcasts here 21460 Bundle extras = new Bundle(); 21461 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 21462 if (uidArr != null) { 21463 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 21464 } 21465 if (replacing) { 21466 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 21467 } 21468 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 21469 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 21470 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null, null); 21471 } 21472 } 21473 21474 private void loadPrivatePackages(final VolumeInfo vol) { 21475 mHandler.post(new Runnable() { 21476 @Override 21477 public void run() { 21478 loadPrivatePackagesInner(vol); 21479 } 21480 }); 21481 } 21482 21483 private void loadPrivatePackagesInner(VolumeInfo vol) { 21484 final String volumeUuid = vol.fsUuid; 21485 if (TextUtils.isEmpty(volumeUuid)) { 21486 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 21487 return; 21488 } 21489 21490 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 21491 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 21492 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 21493 21494 final VersionInfo ver; 21495 final List<PackageSetting> packages; 21496 synchronized (mPackages) { 21497 ver = mSettings.findOrCreateVersion(volumeUuid); 21498 packages = mSettings.getVolumePackagesLPr(volumeUuid); 21499 } 21500 21501 for (PackageSetting ps : packages) { 21502 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 21503 synchronized (mInstallLock) { 21504 final PackageParser.Package pkg; 21505 try { 21506 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 21507 loaded.add(pkg.applicationInfo); 21508 21509 } catch (PackageManagerException e) { 21510 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 21511 } 21512 21513 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 21514 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 21515 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 21516 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 21517 } 21518 } 21519 } 21520 21521 // Reconcile app data for all started/unlocked users 21522 final StorageManager sm = mContext.getSystemService(StorageManager.class); 21523 final UserManager um = mContext.getSystemService(UserManager.class); 21524 UserManagerInternal umInternal = getUserManagerInternal(); 21525 for (UserInfo user : um.getUsers()) { 21526 final int flags; 21527 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 21528 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 21529 } else if (umInternal.isUserRunning(user.id)) { 21530 flags = StorageManager.FLAG_STORAGE_DE; 21531 } else { 21532 continue; 21533 } 21534 21535 try { 21536 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 21537 synchronized (mInstallLock) { 21538 reconcileAppsDataLI(volumeUuid, user.id, flags, true /* migrateAppData */); 21539 } 21540 } catch (IllegalStateException e) { 21541 // Device was probably ejected, and we'll process that event momentarily 21542 Slog.w(TAG, "Failed to prepare storage: " + e); 21543 } 21544 } 21545 21546 synchronized (mPackages) { 21547 final boolean sdkUpdated = (ver.sdkVersion != mSdkVersion); 21548 if (sdkUpdated) { 21549 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 21550 + mSdkVersion + "; regranting permissions for " + volumeUuid); 21551 } 21552 mPermissionManager.updateAllPermissions(volumeUuid, sdkUpdated, mPackages.values(), 21553 mPermissionCallback); 21554 21555 // Yay, everything is now upgraded 21556 ver.forceCurrent(); 21557 21558 mSettings.writeLPr(); 21559 } 21560 21561 for (PackageFreezer freezer : freezers) { 21562 freezer.close(); 21563 } 21564 21565 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 21566 sendResourcesChangedBroadcast(true, false, loaded, null); 21567 mLoadedVolumes.add(vol.getId()); 21568 } 21569 21570 private void unloadPrivatePackages(final VolumeInfo vol) { 21571 mHandler.post(new Runnable() { 21572 @Override 21573 public void run() { 21574 unloadPrivatePackagesInner(vol); 21575 } 21576 }); 21577 } 21578 21579 private void unloadPrivatePackagesInner(VolumeInfo vol) { 21580 final String volumeUuid = vol.fsUuid; 21581 if (TextUtils.isEmpty(volumeUuid)) { 21582 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 21583 return; 21584 } 21585 21586 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 21587 synchronized (mInstallLock) { 21588 synchronized (mPackages) { 21589 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 21590 for (PackageSetting ps : packages) { 21591 if (ps.pkg == null) continue; 21592 21593 final ApplicationInfo info = ps.pkg.applicationInfo; 21594 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 21595 final PackageRemovedInfo outInfo = new PackageRemovedInfo(this); 21596 21597 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 21598 "unloadPrivatePackagesInner")) { 21599 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 21600 false, null)) { 21601 unloaded.add(info); 21602 } else { 21603 Slog.w(TAG, "Failed to unload " + ps.codePath); 21604 } 21605 } 21606 21607 // Try very hard to release any references to this package 21608 // so we don't risk the system server being killed due to 21609 // open FDs 21610 AttributeCache.instance().removePackage(ps.name); 21611 } 21612 21613 mSettings.writeLPr(); 21614 } 21615 } 21616 21617 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 21618 sendResourcesChangedBroadcast(false, false, unloaded, null); 21619 mLoadedVolumes.remove(vol.getId()); 21620 21621 // Try very hard to release any references to this path so we don't risk 21622 // the system server being killed due to open FDs 21623 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 21624 21625 for (int i = 0; i < 3; i++) { 21626 System.gc(); 21627 System.runFinalization(); 21628 } 21629 } 21630 21631 private void assertPackageKnown(String volumeUuid, String packageName) 21632 throws PackageManagerException { 21633 synchronized (mPackages) { 21634 // Normalize package name to handle renamed packages 21635 packageName = normalizePackageNameLPr(packageName); 21636 21637 final PackageSetting ps = mSettings.mPackages.get(packageName); 21638 if (ps == null) { 21639 throw new PackageManagerException("Package " + packageName + " is unknown"); 21640 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 21641 throw new PackageManagerException( 21642 "Package " + packageName + " found on unknown volume " + volumeUuid 21643 + "; expected volume " + ps.volumeUuid); 21644 } 21645 } 21646 } 21647 21648 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 21649 throws PackageManagerException { 21650 synchronized (mPackages) { 21651 // Normalize package name to handle renamed packages 21652 packageName = normalizePackageNameLPr(packageName); 21653 21654 final PackageSetting ps = mSettings.mPackages.get(packageName); 21655 if (ps == null) { 21656 throw new PackageManagerException("Package " + packageName + " is unknown"); 21657 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 21658 throw new PackageManagerException( 21659 "Package " + packageName + " found on unknown volume " + volumeUuid 21660 + "; expected volume " + ps.volumeUuid); 21661 } else if (!ps.getInstalled(userId)) { 21662 throw new PackageManagerException( 21663 "Package " + packageName + " not installed for user " + userId); 21664 } 21665 } 21666 } 21667 21668 private List<String> collectAbsoluteCodePaths() { 21669 synchronized (mPackages) { 21670 List<String> codePaths = new ArrayList<>(); 21671 final int packageCount = mSettings.mPackages.size(); 21672 for (int i = 0; i < packageCount; i++) { 21673 final PackageSetting ps = mSettings.mPackages.valueAt(i); 21674 codePaths.add(ps.codePath.getAbsolutePath()); 21675 } 21676 return codePaths; 21677 } 21678 } 21679 21680 /** 21681 * Examine all apps present on given mounted volume, and destroy apps that 21682 * aren't expected, either due to uninstallation or reinstallation on 21683 * another volume. 21684 */ 21685 private void reconcileApps(String volumeUuid) { 21686 List<String> absoluteCodePaths = collectAbsoluteCodePaths(); 21687 List<File> filesToDelete = null; 21688 21689 final File[] files = FileUtils.listFilesOrEmpty( 21690 Environment.getDataAppDirectory(volumeUuid)); 21691 for (File file : files) { 21692 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 21693 && !PackageInstallerService.isStageName(file.getName()); 21694 if (!isPackage) { 21695 // Ignore entries which are not packages 21696 continue; 21697 } 21698 21699 String absolutePath = file.getAbsolutePath(); 21700 21701 boolean pathValid = false; 21702 final int absoluteCodePathCount = absoluteCodePaths.size(); 21703 for (int i = 0; i < absoluteCodePathCount; i++) { 21704 String absoluteCodePath = absoluteCodePaths.get(i); 21705 if (absolutePath.startsWith(absoluteCodePath)) { 21706 pathValid = true; 21707 break; 21708 } 21709 } 21710 21711 if (!pathValid) { 21712 if (filesToDelete == null) { 21713 filesToDelete = new ArrayList<>(); 21714 } 21715 filesToDelete.add(file); 21716 } 21717 } 21718 21719 if (filesToDelete != null) { 21720 final int fileToDeleteCount = filesToDelete.size(); 21721 for (int i = 0; i < fileToDeleteCount; i++) { 21722 File fileToDelete = filesToDelete.get(i); 21723 logCriticalInfo(Log.WARN, "Destroying orphaned" + fileToDelete); 21724 synchronized (mInstallLock) { 21725 removeCodePathLI(fileToDelete); 21726 } 21727 } 21728 } 21729 } 21730 21731 /** 21732 * Reconcile all app data for the given user. 21733 * <p> 21734 * Verifies that directories exist and that ownership and labeling is 21735 * correct for all installed apps on all mounted volumes. 21736 */ 21737 void reconcileAppsData(int userId, int flags, boolean migrateAppsData) { 21738 final StorageManager storage = mContext.getSystemService(StorageManager.class); 21739 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 21740 final String volumeUuid = vol.getFsUuid(); 21741 synchronized (mInstallLock) { 21742 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppsData); 21743 } 21744 } 21745 } 21746 21747 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags, 21748 boolean migrateAppData) { 21749 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppData, false /* onlyCoreApps */); 21750 } 21751 21752 /** 21753 * Reconcile all app data on given mounted volume. 21754 * <p> 21755 * Destroys app data that isn't expected, either due to uninstallation or 21756 * reinstallation on another volume. 21757 * <p> 21758 * Verifies that directories exist and that ownership and labeling is 21759 * correct for all installed apps. 21760 * @returns list of skipped non-core packages (if {@code onlyCoreApps} is true) 21761 */ 21762 private List<String> reconcileAppsDataLI(String volumeUuid, int userId, int flags, 21763 boolean migrateAppData, boolean onlyCoreApps) { 21764 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 21765 + Integer.toHexString(flags) + " migrateAppData=" + migrateAppData); 21766 List<String> result = onlyCoreApps ? new ArrayList<>() : null; 21767 21768 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 21769 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 21770 21771 // First look for stale data that doesn't belong, and check if things 21772 // have changed since we did our last restorecon 21773 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 21774 if (StorageManager.isFileEncryptedNativeOrEmulated() 21775 && !StorageManager.isUserKeyUnlocked(userId)) { 21776 throw new RuntimeException( 21777 "Yikes, someone asked us to reconcile CE storage while " + userId 21778 + " was still locked; this would have caused massive data loss!"); 21779 } 21780 21781 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 21782 for (File file : files) { 21783 final String packageName = file.getName(); 21784 try { 21785 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 21786 } catch (PackageManagerException e) { 21787 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 21788 try { 21789 mInstaller.destroyAppData(volumeUuid, packageName, userId, 21790 StorageManager.FLAG_STORAGE_CE, 0); 21791 } catch (InstallerException e2) { 21792 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 21793 } 21794 } 21795 } 21796 } 21797 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 21798 final File[] files = FileUtils.listFilesOrEmpty(deDir); 21799 for (File file : files) { 21800 final String packageName = file.getName(); 21801 try { 21802 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 21803 } catch (PackageManagerException e) { 21804 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 21805 try { 21806 mInstaller.destroyAppData(volumeUuid, packageName, userId, 21807 StorageManager.FLAG_STORAGE_DE, 0); 21808 } catch (InstallerException e2) { 21809 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 21810 } 21811 } 21812 } 21813 } 21814 21815 // Ensure that data directories are ready to roll for all packages 21816 // installed for this volume and user 21817 final List<PackageSetting> packages; 21818 synchronized (mPackages) { 21819 packages = mSettings.getVolumePackagesLPr(volumeUuid); 21820 } 21821 int preparedCount = 0; 21822 for (PackageSetting ps : packages) { 21823 final String packageName = ps.name; 21824 if (ps.pkg == null) { 21825 Slog.w(TAG, "Odd, missing scanned package " + packageName); 21826 // TODO: might be due to legacy ASEC apps; we should circle back 21827 // and reconcile again once they're scanned 21828 continue; 21829 } 21830 // Skip non-core apps if requested 21831 if (onlyCoreApps && !ps.pkg.coreApp) { 21832 result.add(packageName); 21833 continue; 21834 } 21835 21836 if (ps.getInstalled(userId)) { 21837 prepareAppDataAndMigrateLIF(ps.pkg, userId, flags, migrateAppData); 21838 preparedCount++; 21839 } 21840 } 21841 21842 Slog.v(TAG, "reconcileAppsData finished " + preparedCount + " packages"); 21843 return result; 21844 } 21845 21846 /** 21847 * Prepare app data for the given app just after it was installed or 21848 * upgraded. This method carefully only touches users that it's installed 21849 * for, and it forces a restorecon to handle any seinfo changes. 21850 * <p> 21851 * Verifies that directories exist and that ownership and labeling is 21852 * correct for all installed apps. If there is an ownership mismatch, it 21853 * will try recovering system apps by wiping data; third-party app data is 21854 * left intact. 21855 * <p> 21856 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 21857 */ 21858 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 21859 final PackageSetting ps; 21860 synchronized (mPackages) { 21861 ps = mSettings.mPackages.get(pkg.packageName); 21862 mSettings.writeKernelMappingLPr(ps); 21863 } 21864 21865 final UserManager um = mContext.getSystemService(UserManager.class); 21866 UserManagerInternal umInternal = getUserManagerInternal(); 21867 for (UserInfo user : um.getUsers()) { 21868 final int flags; 21869 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 21870 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 21871 } else if (umInternal.isUserRunning(user.id)) { 21872 flags = StorageManager.FLAG_STORAGE_DE; 21873 } else { 21874 continue; 21875 } 21876 21877 if (ps.getInstalled(user.id)) { 21878 // TODO: when user data is locked, mark that we're still dirty 21879 prepareAppDataLIF(pkg, user.id, flags); 21880 } 21881 } 21882 } 21883 21884 /** 21885 * Prepare app data for the given app. 21886 * <p> 21887 * Verifies that directories exist and that ownership and labeling is 21888 * correct for all installed apps. If there is an ownership mismatch, this 21889 * will try recovering system apps by wiping data; third-party app data is 21890 * left intact. 21891 */ 21892 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 21893 if (pkg == null) { 21894 Slog.wtf(TAG, "Package was null!", new Throwable()); 21895 return; 21896 } 21897 prepareAppDataLeafLIF(pkg, userId, flags); 21898 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 21899 for (int i = 0; i < childCount; i++) { 21900 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 21901 } 21902 } 21903 21904 private void prepareAppDataAndMigrateLIF(PackageParser.Package pkg, int userId, int flags, 21905 boolean maybeMigrateAppData) { 21906 prepareAppDataLIF(pkg, userId, flags); 21907 21908 if (maybeMigrateAppData && maybeMigrateAppDataLIF(pkg, userId)) { 21909 // We may have just shuffled around app data directories, so 21910 // prepare them one more time 21911 prepareAppDataLIF(pkg, userId, flags); 21912 } 21913 } 21914 21915 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 21916 if (DEBUG_APP_DATA) { 21917 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 21918 + Integer.toHexString(flags)); 21919 } 21920 21921 final String volumeUuid = pkg.volumeUuid; 21922 final String packageName = pkg.packageName; 21923 final ApplicationInfo app = pkg.applicationInfo; 21924 final int appId = UserHandle.getAppId(app.uid); 21925 21926 Preconditions.checkNotNull(app.seInfo); 21927 21928 long ceDataInode = -1; 21929 try { 21930 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 21931 appId, app.seInfo, app.targetSdkVersion); 21932 } catch (InstallerException e) { 21933 if (app.isSystemApp()) { 21934 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 21935 + ", but trying to recover: " + e); 21936 destroyAppDataLeafLIF(pkg, userId, flags); 21937 try { 21938 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 21939 appId, app.seInfo, app.targetSdkVersion); 21940 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 21941 } catch (InstallerException e2) { 21942 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 21943 } 21944 } else { 21945 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 21946 } 21947 } 21948 21949 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && ceDataInode != -1) { 21950 // TODO: mark this structure as dirty so we persist it! 21951 synchronized (mPackages) { 21952 final PackageSetting ps = mSettings.mPackages.get(packageName); 21953 if (ps != null) { 21954 ps.setCeDataInode(ceDataInode, userId); 21955 } 21956 } 21957 } 21958 21959 prepareAppDataContentsLeafLIF(pkg, userId, flags); 21960 } 21961 21962 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 21963 if (pkg == null) { 21964 Slog.wtf(TAG, "Package was null!", new Throwable()); 21965 return; 21966 } 21967 prepareAppDataContentsLeafLIF(pkg, userId, flags); 21968 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 21969 for (int i = 0; i < childCount; i++) { 21970 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 21971 } 21972 } 21973 21974 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 21975 final String volumeUuid = pkg.volumeUuid; 21976 final String packageName = pkg.packageName; 21977 final ApplicationInfo app = pkg.applicationInfo; 21978 21979 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 21980 // Create a native library symlink only if we have native libraries 21981 // and if the native libraries are 32 bit libraries. We do not provide 21982 // this symlink for 64 bit libraries. 21983 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 21984 final String nativeLibPath = app.nativeLibraryDir; 21985 try { 21986 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 21987 nativeLibPath, userId); 21988 } catch (InstallerException e) { 21989 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 21990 } 21991 } 21992 } 21993 } 21994 21995 /** 21996 * For system apps on non-FBE devices, this method migrates any existing 21997 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 21998 * requested by the app. 21999 */ 22000 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 22001 if (pkg.isSystem() && !StorageManager.isFileEncryptedNativeOrEmulated() 22002 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 22003 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 22004 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 22005 try { 22006 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 22007 storageTarget); 22008 } catch (InstallerException e) { 22009 logCriticalInfo(Log.WARN, 22010 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 22011 } 22012 return true; 22013 } else { 22014 return false; 22015 } 22016 } 22017 22018 public PackageFreezer freezePackage(String packageName, String killReason) { 22019 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 22020 } 22021 22022 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 22023 return new PackageFreezer(packageName, userId, killReason); 22024 } 22025 22026 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 22027 String killReason) { 22028 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 22029 } 22030 22031 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 22032 String killReason) { 22033 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 22034 return new PackageFreezer(); 22035 } else { 22036 return freezePackage(packageName, userId, killReason); 22037 } 22038 } 22039 22040 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 22041 String killReason) { 22042 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 22043 } 22044 22045 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 22046 String killReason) { 22047 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 22048 return new PackageFreezer(); 22049 } else { 22050 return freezePackage(packageName, userId, killReason); 22051 } 22052 } 22053 22054 /** 22055 * Class that freezes and kills the given package upon creation, and 22056 * unfreezes it upon closing. This is typically used when doing surgery on 22057 * app code/data to prevent the app from running while you're working. 22058 */ 22059 private class PackageFreezer implements AutoCloseable { 22060 private final String mPackageName; 22061 private final PackageFreezer[] mChildren; 22062 22063 private final boolean mWeFroze; 22064 22065 private final AtomicBoolean mClosed = new AtomicBoolean(); 22066 private final CloseGuard mCloseGuard = CloseGuard.get(); 22067 22068 /** 22069 * Create and return a stub freezer that doesn't actually do anything, 22070 * typically used when someone requested 22071 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 22072 * {@link PackageManager#DELETE_DONT_KILL_APP}. 22073 */ 22074 public PackageFreezer() { 22075 mPackageName = null; 22076 mChildren = null; 22077 mWeFroze = false; 22078 mCloseGuard.open("close"); 22079 } 22080 22081 public PackageFreezer(String packageName, int userId, String killReason) { 22082 synchronized (mPackages) { 22083 mPackageName = packageName; 22084 mWeFroze = mFrozenPackages.add(mPackageName); 22085 22086 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 22087 if (ps != null) { 22088 killApplication(ps.name, ps.appId, userId, killReason); 22089 } 22090 22091 final PackageParser.Package p = mPackages.get(packageName); 22092 if (p != null && p.childPackages != null) { 22093 final int N = p.childPackages.size(); 22094 mChildren = new PackageFreezer[N]; 22095 for (int i = 0; i < N; i++) { 22096 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 22097 userId, killReason); 22098 } 22099 } else { 22100 mChildren = null; 22101 } 22102 } 22103 mCloseGuard.open("close"); 22104 } 22105 22106 @Override 22107 protected void finalize() throws Throwable { 22108 try { 22109 if (mCloseGuard != null) { 22110 mCloseGuard.warnIfOpen(); 22111 } 22112 22113 close(); 22114 } finally { 22115 super.finalize(); 22116 } 22117 } 22118 22119 @Override 22120 public void close() { 22121 mCloseGuard.close(); 22122 if (mClosed.compareAndSet(false, true)) { 22123 synchronized (mPackages) { 22124 if (mWeFroze) { 22125 mFrozenPackages.remove(mPackageName); 22126 } 22127 22128 if (mChildren != null) { 22129 for (PackageFreezer freezer : mChildren) { 22130 freezer.close(); 22131 } 22132 } 22133 } 22134 } 22135 } 22136 } 22137 22138 /** 22139 * Verify that given package is currently frozen. 22140 */ 22141 private void checkPackageFrozen(String packageName) { 22142 synchronized (mPackages) { 22143 if (!mFrozenPackages.contains(packageName)) { 22144 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 22145 } 22146 } 22147 } 22148 22149 @Override 22150 public int movePackage(final String packageName, final String volumeUuid) { 22151 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 22152 22153 final int callingUid = Binder.getCallingUid(); 22154 final UserHandle user = new UserHandle(UserHandle.getUserId(callingUid)); 22155 final int moveId = mNextMoveId.getAndIncrement(); 22156 mHandler.post(new Runnable() { 22157 @Override 22158 public void run() { 22159 try { 22160 movePackageInternal(packageName, volumeUuid, moveId, callingUid, user); 22161 } catch (PackageManagerException e) { 22162 Slog.w(TAG, "Failed to move " + packageName, e); 22163 mMoveCallbacks.notifyStatusChanged(moveId, e.error); 22164 } 22165 } 22166 }); 22167 return moveId; 22168 } 22169 22170 private void movePackageInternal(final String packageName, final String volumeUuid, 22171 final int moveId, final int callingUid, UserHandle user) 22172 throws PackageManagerException { 22173 final StorageManager storage = mContext.getSystemService(StorageManager.class); 22174 final PackageManager pm = mContext.getPackageManager(); 22175 22176 final boolean currentAsec; 22177 final String currentVolumeUuid; 22178 final File codeFile; 22179 final String installerPackageName; 22180 final String packageAbiOverride; 22181 final int appId; 22182 final String seinfo; 22183 final String label; 22184 final int targetSdkVersion; 22185 final PackageFreezer freezer; 22186 final int[] installedUserIds; 22187 22188 // reader 22189 synchronized (mPackages) { 22190 final PackageParser.Package pkg = mPackages.get(packageName); 22191 final PackageSetting ps = mSettings.mPackages.get(packageName); 22192 if (pkg == null 22193 || ps == null 22194 || filterAppAccessLPr(ps, callingUid, user.getIdentifier())) { 22195 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 22196 } 22197 if (pkg.applicationInfo.isSystemApp()) { 22198 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 22199 "Cannot move system application"); 22200 } 22201 22202 final boolean isInternalStorage = VolumeInfo.ID_PRIVATE_INTERNAL.equals(volumeUuid); 22203 final boolean allow3rdPartyOnInternal = mContext.getResources().getBoolean( 22204 com.android.internal.R.bool.config_allow3rdPartyAppOnInternal); 22205 if (isInternalStorage && !allow3rdPartyOnInternal) { 22206 throw new PackageManagerException(MOVE_FAILED_3RD_PARTY_NOT_ALLOWED_ON_INTERNAL, 22207 "3rd party apps are not allowed on internal storage"); 22208 } 22209 22210 if (pkg.applicationInfo.isExternalAsec()) { 22211 currentAsec = true; 22212 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 22213 } else if (pkg.applicationInfo.isForwardLocked()) { 22214 currentAsec = true; 22215 currentVolumeUuid = "forward_locked"; 22216 } else { 22217 currentAsec = false; 22218 currentVolumeUuid = ps.volumeUuid; 22219 22220 final File probe = new File(pkg.codePath); 22221 final File probeOat = new File(probe, "oat"); 22222 if (!probe.isDirectory() || !probeOat.isDirectory()) { 22223 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22224 "Move only supported for modern cluster style installs"); 22225 } 22226 } 22227 22228 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 22229 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22230 "Package already moved to " + volumeUuid); 22231 } 22232 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 22233 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 22234 "Device admin cannot be moved"); 22235 } 22236 22237 if (mFrozenPackages.contains(packageName)) { 22238 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 22239 "Failed to move already frozen package"); 22240 } 22241 22242 codeFile = new File(pkg.codePath); 22243 installerPackageName = ps.installerPackageName; 22244 packageAbiOverride = ps.cpuAbiOverrideString; 22245 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 22246 seinfo = pkg.applicationInfo.seInfo; 22247 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 22248 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 22249 freezer = freezePackage(packageName, "movePackageInternal"); 22250 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 22251 } 22252 22253 final Bundle extras = new Bundle(); 22254 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 22255 extras.putString(Intent.EXTRA_TITLE, label); 22256 mMoveCallbacks.notifyCreated(moveId, extras); 22257 22258 int installFlags; 22259 final boolean moveCompleteApp; 22260 final File measurePath; 22261 22262 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 22263 installFlags = INSTALL_INTERNAL; 22264 moveCompleteApp = !currentAsec; 22265 measurePath = Environment.getDataAppDirectory(volumeUuid); 22266 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 22267 installFlags = INSTALL_EXTERNAL; 22268 moveCompleteApp = false; 22269 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 22270 } else { 22271 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 22272 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 22273 || !volume.isMountedWritable()) { 22274 freezer.close(); 22275 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22276 "Move location not mounted private volume"); 22277 } 22278 22279 Preconditions.checkState(!currentAsec); 22280 22281 installFlags = INSTALL_INTERNAL; 22282 moveCompleteApp = true; 22283 measurePath = Environment.getDataAppDirectory(volumeUuid); 22284 } 22285 22286 // If we're moving app data around, we need all the users unlocked 22287 if (moveCompleteApp) { 22288 for (int userId : installedUserIds) { 22289 if (StorageManager.isFileEncryptedNativeOrEmulated() 22290 && !StorageManager.isUserKeyUnlocked(userId)) { 22291 throw new PackageManagerException(MOVE_FAILED_LOCKED_USER, 22292 "User " + userId + " must be unlocked"); 22293 } 22294 } 22295 } 22296 22297 final PackageStats stats = new PackageStats(null, -1); 22298 synchronized (mInstaller) { 22299 for (int userId : installedUserIds) { 22300 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 22301 freezer.close(); 22302 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22303 "Failed to measure package size"); 22304 } 22305 } 22306 } 22307 22308 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 22309 + stats.dataSize); 22310 22311 final long startFreeBytes = measurePath.getUsableSpace(); 22312 final long sizeBytes; 22313 if (moveCompleteApp) { 22314 sizeBytes = stats.codeSize + stats.dataSize; 22315 } else { 22316 sizeBytes = stats.codeSize; 22317 } 22318 22319 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 22320 freezer.close(); 22321 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22322 "Not enough free space to move"); 22323 } 22324 22325 mMoveCallbacks.notifyStatusChanged(moveId, 10); 22326 22327 final CountDownLatch installedLatch = new CountDownLatch(1); 22328 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 22329 @Override 22330 public void onUserActionRequired(Intent intent) throws RemoteException { 22331 throw new IllegalStateException(); 22332 } 22333 22334 @Override 22335 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 22336 Bundle extras) throws RemoteException { 22337 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 22338 + PackageManager.installStatusToString(returnCode, msg)); 22339 22340 installedLatch.countDown(); 22341 freezer.close(); 22342 22343 final int status = PackageManager.installStatusToPublicStatus(returnCode); 22344 switch (status) { 22345 case PackageInstaller.STATUS_SUCCESS: 22346 mMoveCallbacks.notifyStatusChanged(moveId, 22347 PackageManager.MOVE_SUCCEEDED); 22348 break; 22349 case PackageInstaller.STATUS_FAILURE_STORAGE: 22350 mMoveCallbacks.notifyStatusChanged(moveId, 22351 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 22352 break; 22353 default: 22354 mMoveCallbacks.notifyStatusChanged(moveId, 22355 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 22356 break; 22357 } 22358 } 22359 }; 22360 22361 final MoveInfo move; 22362 if (moveCompleteApp) { 22363 // Kick off a thread to report progress estimates 22364 new Thread() { 22365 @Override 22366 public void run() { 22367 while (true) { 22368 try { 22369 if (installedLatch.await(1, TimeUnit.SECONDS)) { 22370 break; 22371 } 22372 } catch (InterruptedException ignored) { 22373 } 22374 22375 final long deltaFreeBytes = startFreeBytes - measurePath.getUsableSpace(); 22376 final int progress = 10 + (int) MathUtils.constrain( 22377 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 22378 mMoveCallbacks.notifyStatusChanged(moveId, progress); 22379 } 22380 } 22381 }.start(); 22382 22383 final String dataAppName = codeFile.getName(); 22384 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 22385 dataAppName, appId, seinfo, targetSdkVersion); 22386 } else { 22387 move = null; 22388 } 22389 22390 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 22391 22392 final Message msg = mHandler.obtainMessage(INIT_COPY); 22393 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 22394 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 22395 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 22396 packageAbiOverride, null /*grantedPermissions*/, 22397 PackageParser.SigningDetails.UNKNOWN, PackageManager.INSTALL_REASON_UNKNOWN); 22398 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 22399 msg.obj = params; 22400 22401 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 22402 System.identityHashCode(msg.obj)); 22403 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 22404 System.identityHashCode(msg.obj)); 22405 22406 mHandler.sendMessage(msg); 22407 } 22408 22409 @Override 22410 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 22411 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 22412 22413 final int realMoveId = mNextMoveId.getAndIncrement(); 22414 final Bundle extras = new Bundle(); 22415 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 22416 mMoveCallbacks.notifyCreated(realMoveId, extras); 22417 22418 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 22419 @Override 22420 public void onCreated(int moveId, Bundle extras) { 22421 // Ignored 22422 } 22423 22424 @Override 22425 public void onStatusChanged(int moveId, int status, long estMillis) { 22426 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 22427 } 22428 }; 22429 22430 final StorageManager storage = mContext.getSystemService(StorageManager.class); 22431 storage.setPrimaryStorageUuid(volumeUuid, callback); 22432 return realMoveId; 22433 } 22434 22435 @Override 22436 public int getMoveStatus(int moveId) { 22437 mContext.enforceCallingOrSelfPermission( 22438 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22439 return mMoveCallbacks.mLastStatus.get(moveId); 22440 } 22441 22442 @Override 22443 public void registerMoveCallback(IPackageMoveObserver callback) { 22444 mContext.enforceCallingOrSelfPermission( 22445 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22446 mMoveCallbacks.register(callback); 22447 } 22448 22449 @Override 22450 public void unregisterMoveCallback(IPackageMoveObserver callback) { 22451 mContext.enforceCallingOrSelfPermission( 22452 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 22453 mMoveCallbacks.unregister(callback); 22454 } 22455 22456 @Override 22457 public boolean setInstallLocation(int loc) { 22458 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 22459 null); 22460 if (getInstallLocation() == loc) { 22461 return true; 22462 } 22463 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 22464 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 22465 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 22466 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 22467 return true; 22468 } 22469 return false; 22470 } 22471 22472 @Override 22473 public int getInstallLocation() { 22474 // allow instant app access 22475 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 22476 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 22477 PackageHelper.APP_INSTALL_AUTO); 22478 } 22479 22480 /** Called by UserManagerService */ 22481 void cleanUpUser(UserManagerService userManager, int userHandle) { 22482 synchronized (mPackages) { 22483 mDirtyUsers.remove(userHandle); 22484 mUserNeedsBadging.delete(userHandle); 22485 mSettings.removeUserLPw(userHandle); 22486 mPendingBroadcasts.remove(userHandle); 22487 mInstantAppRegistry.onUserRemovedLPw(userHandle); 22488 removeUnusedPackagesLPw(userManager, userHandle); 22489 } 22490 } 22491 22492 /** 22493 * We're removing userHandle and would like to remove any downloaded packages 22494 * that are no longer in use by any other user. 22495 * @param userHandle the user being removed 22496 */ 22497 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 22498 final boolean DEBUG_CLEAN_APKS = false; 22499 int [] users = userManager.getUserIds(); 22500 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 22501 while (psit.hasNext()) { 22502 PackageSetting ps = psit.next(); 22503 if (ps.pkg == null) { 22504 continue; 22505 } 22506 final String packageName = ps.pkg.packageName; 22507 // Skip over if system app 22508 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 22509 continue; 22510 } 22511 if (DEBUG_CLEAN_APKS) { 22512 Slog.i(TAG, "Checking package " + packageName); 22513 } 22514 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 22515 if (keep) { 22516 if (DEBUG_CLEAN_APKS) { 22517 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 22518 } 22519 } else { 22520 for (int i = 0; i < users.length; i++) { 22521 if (users[i] != userHandle && ps.getInstalled(users[i])) { 22522 keep = true; 22523 if (DEBUG_CLEAN_APKS) { 22524 Slog.i(TAG, " Keeping package " + packageName + " for user " 22525 + users[i]); 22526 } 22527 break; 22528 } 22529 } 22530 } 22531 if (!keep) { 22532 if (DEBUG_CLEAN_APKS) { 22533 Slog.i(TAG, " Removing package " + packageName); 22534 } 22535 mHandler.post(new Runnable() { 22536 public void run() { 22537 deletePackageX(packageName, PackageManager.VERSION_CODE_HIGHEST, 22538 userHandle, 0); 22539 } //end run 22540 }); 22541 } 22542 } 22543 } 22544 22545 /** Called by UserManagerService */ 22546 void createNewUser(int userId, String[] disallowedPackages) { 22547 synchronized (mInstallLock) { 22548 mSettings.createNewUserLI(this, mInstaller, userId, disallowedPackages); 22549 } 22550 synchronized (mPackages) { 22551 scheduleWritePackageRestrictionsLocked(userId); 22552 scheduleWritePackageListLocked(userId); 22553 applyFactoryDefaultBrowserLPw(userId); 22554 primeDomainVerificationsLPw(userId); 22555 } 22556 } 22557 22558 void onNewUserCreated(final int userId) { 22559 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 22560 synchronized(mPackages) { 22561 // If permission review for legacy apps is required, we represent 22562 // dagerous permissions for such apps as always granted runtime 22563 // permissions to keep per user flag state whether review is needed. 22564 // Hence, if a new user is added we have to propagate dangerous 22565 // permission grants for these legacy apps. 22566 if (mSettings.mPermissions.mPermissionReviewRequired) { 22567// NOTE: This adds UPDATE_PERMISSIONS_REPLACE_PKG 22568 mPermissionManager.updateAllPermissions( 22569 StorageManager.UUID_PRIVATE_INTERNAL, true, mPackages.values(), 22570 mPermissionCallback); 22571 } 22572 } 22573 } 22574 22575 @Override 22576 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 22577 mContext.enforceCallingOrSelfPermission( 22578 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 22579 "Only package verification agents can read the verifier device identity"); 22580 22581 synchronized (mPackages) { 22582 return mSettings.getVerifierDeviceIdentityLPw(); 22583 } 22584 } 22585 22586 @Override 22587 public void setPermissionEnforced(String permission, boolean enforced) { 22588 // TODO: Now that we no longer change GID for storage, this should to away. 22589 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 22590 "setPermissionEnforced"); 22591 if (READ_EXTERNAL_STORAGE.equals(permission)) { 22592 synchronized (mPackages) { 22593 if (mSettings.mReadExternalStorageEnforced == null 22594 || mSettings.mReadExternalStorageEnforced != enforced) { 22595 mSettings.mReadExternalStorageEnforced = 22596 enforced ? Boolean.TRUE : Boolean.FALSE; 22597 mSettings.writeLPr(); 22598 } 22599 } 22600 // kill any non-foreground processes so we restart them and 22601 // grant/revoke the GID. 22602 final IActivityManager am = ActivityManager.getService(); 22603 if (am != null) { 22604 final long token = Binder.clearCallingIdentity(); 22605 try { 22606 am.killProcessesBelowForeground("setPermissionEnforcement"); 22607 } catch (RemoteException e) { 22608 } finally { 22609 Binder.restoreCallingIdentity(token); 22610 } 22611 } 22612 } else { 22613 throw new IllegalArgumentException("No selective enforcement for " + permission); 22614 } 22615 } 22616 22617 @Override 22618 @Deprecated 22619 public boolean isPermissionEnforced(String permission) { 22620 // allow instant applications 22621 return true; 22622 } 22623 22624 @Override 22625 public boolean isStorageLow() { 22626 // allow instant applications 22627 final long token = Binder.clearCallingIdentity(); 22628 try { 22629 final DeviceStorageMonitorInternal 22630 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 22631 if (dsm != null) { 22632 return dsm.isMemoryLow(); 22633 } else { 22634 return false; 22635 } 22636 } finally { 22637 Binder.restoreCallingIdentity(token); 22638 } 22639 } 22640 22641 @Override 22642 public IPackageInstaller getPackageInstaller() { 22643 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 22644 return null; 22645 } 22646 return mInstallerService; 22647 } 22648 22649 @Override 22650 public IArtManager getArtManager() { 22651 return mArtManagerService; 22652 } 22653 22654 private boolean userNeedsBadging(int userId) { 22655 int index = mUserNeedsBadging.indexOfKey(userId); 22656 if (index < 0) { 22657 final UserInfo userInfo; 22658 final long token = Binder.clearCallingIdentity(); 22659 try { 22660 userInfo = sUserManager.getUserInfo(userId); 22661 } finally { 22662 Binder.restoreCallingIdentity(token); 22663 } 22664 final boolean b; 22665 if (userInfo != null && userInfo.isManagedProfile()) { 22666 b = true; 22667 } else { 22668 b = false; 22669 } 22670 mUserNeedsBadging.put(userId, b); 22671 return b; 22672 } 22673 return mUserNeedsBadging.valueAt(index); 22674 } 22675 22676 @Override 22677 public KeySet getKeySetByAlias(String packageName, String alias) { 22678 if (packageName == null || alias == null) { 22679 return null; 22680 } 22681 synchronized(mPackages) { 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, Binder.getCallingUid(), UserHandle.getCallingUserId())) { 22689 Slog.w(TAG, "KeySet requested for filtered package: " + packageName); 22690 throw new IllegalArgumentException("Unknown package: " + packageName); 22691 } 22692 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 22693 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 22694 } 22695 } 22696 22697 @Override 22698 public KeySet getSigningKeySet(String packageName) { 22699 if (packageName == null) { 22700 return null; 22701 } 22702 synchronized(mPackages) { 22703 final int callingUid = Binder.getCallingUid(); 22704 final int callingUserId = UserHandle.getUserId(callingUid); 22705 final PackageParser.Package pkg = mPackages.get(packageName); 22706 if (pkg == null) { 22707 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22708 throw new IllegalArgumentException("Unknown package: " + packageName); 22709 } 22710 final PackageSetting ps = (PackageSetting) pkg.mExtras; 22711 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 22712 // filter and pretend the package doesn't exist 22713 Slog.w(TAG, "KeySet requested for filtered package: " + packageName 22714 + ", uid:" + callingUid); 22715 throw new IllegalArgumentException("Unknown package: " + packageName); 22716 } 22717 if (pkg.applicationInfo.uid != callingUid 22718 && Process.SYSTEM_UID != callingUid) { 22719 throw new SecurityException("May not access signing KeySet of other apps."); 22720 } 22721 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 22722 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 22723 } 22724 } 22725 22726 @Override 22727 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 22728 final int callingUid = Binder.getCallingUid(); 22729 if (getInstantAppPackageName(callingUid) != null) { 22730 return false; 22731 } 22732 if (packageName == null || ks == null) { 22733 return false; 22734 } 22735 synchronized(mPackages) { 22736 final PackageParser.Package pkg = mPackages.get(packageName); 22737 if (pkg == null 22738 || filterAppAccessLPr((PackageSetting) pkg.mExtras, callingUid, 22739 UserHandle.getUserId(callingUid))) { 22740 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22741 throw new IllegalArgumentException("Unknown package: " + packageName); 22742 } 22743 IBinder ksh = ks.getToken(); 22744 if (ksh instanceof KeySetHandle) { 22745 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 22746 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 22747 } 22748 return false; 22749 } 22750 } 22751 22752 @Override 22753 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 22754 final int callingUid = Binder.getCallingUid(); 22755 if (getInstantAppPackageName(callingUid) != null) { 22756 return false; 22757 } 22758 if (packageName == null || ks == null) { 22759 return false; 22760 } 22761 synchronized(mPackages) { 22762 final PackageParser.Package pkg = mPackages.get(packageName); 22763 if (pkg == null 22764 || filterAppAccessLPr((PackageSetting) pkg.mExtras, callingUid, 22765 UserHandle.getUserId(callingUid))) { 22766 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22767 throw new IllegalArgumentException("Unknown package: " + packageName); 22768 } 22769 IBinder ksh = ks.getToken(); 22770 if (ksh instanceof KeySetHandle) { 22771 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 22772 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 22773 } 22774 return false; 22775 } 22776 } 22777 22778 private void deletePackageIfUnusedLPr(final String packageName) { 22779 PackageSetting ps = mSettings.mPackages.get(packageName); 22780 if (ps == null) { 22781 return; 22782 } 22783 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 22784 // TODO Implement atomic delete if package is unused 22785 // It is currently possible that the package will be deleted even if it is installed 22786 // after this method returns. 22787 mHandler.post(new Runnable() { 22788 public void run() { 22789 deletePackageX(packageName, PackageManager.VERSION_CODE_HIGHEST, 22790 0, PackageManager.DELETE_ALL_USERS); 22791 } 22792 }); 22793 } 22794 } 22795 22796 /** 22797 * Check and throw if the given before/after packages would be considered a 22798 * downgrade. 22799 */ 22800 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 22801 throws PackageManagerException { 22802 if (after.getLongVersionCode() < before.getLongVersionCode()) { 22803 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22804 "Update version code " + after.versionCode + " is older than current " 22805 + before.getLongVersionCode()); 22806 } else if (after.getLongVersionCode() == before.getLongVersionCode()) { 22807 if (after.baseRevisionCode < before.baseRevisionCode) { 22808 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22809 "Update base revision code " + after.baseRevisionCode 22810 + " is older than current " + before.baseRevisionCode); 22811 } 22812 22813 if (!ArrayUtils.isEmpty(after.splitNames)) { 22814 for (int i = 0; i < after.splitNames.length; i++) { 22815 final String splitName = after.splitNames[i]; 22816 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 22817 if (j != -1) { 22818 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 22819 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22820 "Update split " + splitName + " revision code " 22821 + after.splitRevisionCodes[i] + " is older than current " 22822 + before.splitRevisionCodes[j]); 22823 } 22824 } 22825 } 22826 } 22827 } 22828 } 22829 22830 private static class MoveCallbacks extends Handler { 22831 private static final int MSG_CREATED = 1; 22832 private static final int MSG_STATUS_CHANGED = 2; 22833 22834 private final RemoteCallbackList<IPackageMoveObserver> 22835 mCallbacks = new RemoteCallbackList<>(); 22836 22837 private final SparseIntArray mLastStatus = new SparseIntArray(); 22838 22839 public MoveCallbacks(Looper looper) { 22840 super(looper); 22841 } 22842 22843 public void register(IPackageMoveObserver callback) { 22844 mCallbacks.register(callback); 22845 } 22846 22847 public void unregister(IPackageMoveObserver callback) { 22848 mCallbacks.unregister(callback); 22849 } 22850 22851 @Override 22852 public void handleMessage(Message msg) { 22853 final SomeArgs args = (SomeArgs) msg.obj; 22854 final int n = mCallbacks.beginBroadcast(); 22855 for (int i = 0; i < n; i++) { 22856 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 22857 try { 22858 invokeCallback(callback, msg.what, args); 22859 } catch (RemoteException ignored) { 22860 } 22861 } 22862 mCallbacks.finishBroadcast(); 22863 args.recycle(); 22864 } 22865 22866 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 22867 throws RemoteException { 22868 switch (what) { 22869 case MSG_CREATED: { 22870 callback.onCreated(args.argi1, (Bundle) args.arg2); 22871 break; 22872 } 22873 case MSG_STATUS_CHANGED: { 22874 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 22875 break; 22876 } 22877 } 22878 } 22879 22880 private void notifyCreated(int moveId, Bundle extras) { 22881 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 22882 22883 final SomeArgs args = SomeArgs.obtain(); 22884 args.argi1 = moveId; 22885 args.arg2 = extras; 22886 obtainMessage(MSG_CREATED, args).sendToTarget(); 22887 } 22888 22889 private void notifyStatusChanged(int moveId, int status) { 22890 notifyStatusChanged(moveId, status, -1); 22891 } 22892 22893 private void notifyStatusChanged(int moveId, int status, long estMillis) { 22894 Slog.v(TAG, "Move " + moveId + " status " + status); 22895 22896 final SomeArgs args = SomeArgs.obtain(); 22897 args.argi1 = moveId; 22898 args.argi2 = status; 22899 args.arg3 = estMillis; 22900 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 22901 22902 synchronized (mLastStatus) { 22903 mLastStatus.put(moveId, status); 22904 } 22905 } 22906 } 22907 22908 private final static class OnPermissionChangeListeners extends Handler { 22909 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 22910 22911 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 22912 new RemoteCallbackList<>(); 22913 22914 public OnPermissionChangeListeners(Looper looper) { 22915 super(looper); 22916 } 22917 22918 @Override 22919 public void handleMessage(Message msg) { 22920 switch (msg.what) { 22921 case MSG_ON_PERMISSIONS_CHANGED: { 22922 final int uid = msg.arg1; 22923 handleOnPermissionsChanged(uid); 22924 } break; 22925 } 22926 } 22927 22928 public void addListenerLocked(IOnPermissionsChangeListener listener) { 22929 mPermissionListeners.register(listener); 22930 22931 } 22932 22933 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 22934 mPermissionListeners.unregister(listener); 22935 } 22936 22937 public void onPermissionsChanged(int uid) { 22938 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 22939 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 22940 } 22941 } 22942 22943 private void handleOnPermissionsChanged(int uid) { 22944 final int count = mPermissionListeners.beginBroadcast(); 22945 try { 22946 for (int i = 0; i < count; i++) { 22947 IOnPermissionsChangeListener callback = mPermissionListeners 22948 .getBroadcastItem(i); 22949 try { 22950 callback.onPermissionsChanged(uid); 22951 } catch (RemoteException e) { 22952 Log.e(TAG, "Permission listener is dead", e); 22953 } 22954 } 22955 } finally { 22956 mPermissionListeners.finishBroadcast(); 22957 } 22958 } 22959 } 22960 22961 private class PackageManagerNative extends IPackageManagerNative.Stub { 22962 @Override 22963 public String[] getNamesForUids(int[] uids) throws RemoteException { 22964 final String[] results = PackageManagerService.this.getNamesForUids(uids); 22965 // massage results so they can be parsed by the native binder 22966 for (int i = results.length - 1; i >= 0; --i) { 22967 if (results[i] == null) { 22968 results[i] = ""; 22969 } 22970 } 22971 return results; 22972 } 22973 22974 // NB: this differentiates between preloads and sideloads 22975 @Override 22976 public String getInstallerForPackage(String packageName) throws RemoteException { 22977 final String installerName = getInstallerPackageName(packageName); 22978 if (!TextUtils.isEmpty(installerName)) { 22979 return installerName; 22980 } 22981 // differentiate between preload and sideload 22982 int callingUser = UserHandle.getUserId(Binder.getCallingUid()); 22983 ApplicationInfo appInfo = getApplicationInfo(packageName, 22984 /*flags*/ 0, 22985 /*userId*/ callingUser); 22986 if (appInfo != null && (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 22987 return "preload"; 22988 } 22989 return ""; 22990 } 22991 22992 @Override 22993 public long getVersionCodeForPackage(String packageName) throws RemoteException { 22994 try { 22995 int callingUser = UserHandle.getUserId(Binder.getCallingUid()); 22996 PackageInfo pInfo = getPackageInfo(packageName, 0, callingUser); 22997 if (pInfo != null) { 22998 return pInfo.getLongVersionCode(); 22999 } 23000 } catch (Exception e) { 23001 } 23002 return 0; 23003 } 23004 } 23005 23006 private class PackageManagerInternalImpl extends PackageManagerInternal { 23007 @Override 23008 public void updatePermissionFlagsTEMP(String permName, String packageName, int flagMask, 23009 int flagValues, int userId) { 23010 PackageManagerService.this.updatePermissionFlags( 23011 permName, packageName, flagMask, flagValues, userId); 23012 } 23013 23014 @Override 23015 public int getPermissionFlagsTEMP(String permName, String packageName, int userId) { 23016 return PackageManagerService.this.getPermissionFlags(permName, packageName, userId); 23017 } 23018 23019 @Override 23020 public boolean isInstantApp(String packageName, int userId) { 23021 return PackageManagerService.this.isInstantApp(packageName, userId); 23022 } 23023 23024 @Override 23025 public String getInstantAppPackageName(int uid) { 23026 return PackageManagerService.this.getInstantAppPackageName(uid); 23027 } 23028 23029 @Override 23030 public boolean filterAppAccess(PackageParser.Package pkg, int callingUid, int userId) { 23031 synchronized (mPackages) { 23032 return PackageManagerService.this.filterAppAccessLPr( 23033 (PackageSetting) pkg.mExtras, callingUid, userId); 23034 } 23035 } 23036 23037 @Override 23038 public PackageParser.Package getPackage(String packageName) { 23039 synchronized (mPackages) { 23040 packageName = resolveInternalPackageNameLPr( 23041 packageName, PackageManager.VERSION_CODE_HIGHEST); 23042 return mPackages.get(packageName); 23043 } 23044 } 23045 23046 @Override 23047 public PackageList getPackageList(PackageListObserver observer) { 23048 synchronized (mPackages) { 23049 final int N = mPackages.size(); 23050 final ArrayList<String> list = new ArrayList<>(N); 23051 for (int i = 0; i < N; i++) { 23052 list.add(mPackages.keyAt(i)); 23053 } 23054 final PackageList packageList = new PackageList(list, observer); 23055 if (observer != null) { 23056 mPackageListObservers.add(packageList); 23057 } 23058 return packageList; 23059 } 23060 } 23061 23062 @Override 23063 public void removePackageListObserver(PackageListObserver observer) { 23064 synchronized (mPackages) { 23065 mPackageListObservers.remove(observer); 23066 } 23067 } 23068 23069 @Override 23070 public PackageParser.Package getDisabledPackage(String packageName) { 23071 synchronized (mPackages) { 23072 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 23073 return (ps != null) ? ps.pkg : null; 23074 } 23075 } 23076 23077 @Override 23078 public String getKnownPackageName(int knownPackage, int userId) { 23079 switch(knownPackage) { 23080 case PackageManagerInternal.PACKAGE_BROWSER: 23081 return getDefaultBrowserPackageName(userId); 23082 case PackageManagerInternal.PACKAGE_INSTALLER: 23083 return mRequiredInstallerPackage; 23084 case PackageManagerInternal.PACKAGE_SETUP_WIZARD: 23085 return mSetupWizardPackage; 23086 case PackageManagerInternal.PACKAGE_SYSTEM: 23087 return "android"; 23088 case PackageManagerInternal.PACKAGE_VERIFIER: 23089 return mRequiredVerifierPackage; 23090 } 23091 return null; 23092 } 23093 23094 @Override 23095 public boolean isResolveActivityComponent(ComponentInfo component) { 23096 return mResolveActivity.packageName.equals(component.packageName) 23097 && mResolveActivity.name.equals(component.name); 23098 } 23099 23100 @Override 23101 public void setLocationPackagesProvider(PackagesProvider provider) { 23102 mDefaultPermissionPolicy.setLocationPackagesProvider(provider); 23103 } 23104 23105 @Override 23106 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 23107 mDefaultPermissionPolicy.setVoiceInteractionPackagesProvider(provider); 23108 } 23109 23110 @Override 23111 public void setSmsAppPackagesProvider(PackagesProvider provider) { 23112 mDefaultPermissionPolicy.setSmsAppPackagesProvider(provider); 23113 } 23114 23115 @Override 23116 public void setDialerAppPackagesProvider(PackagesProvider provider) { 23117 mDefaultPermissionPolicy.setDialerAppPackagesProvider(provider); 23118 } 23119 23120 @Override 23121 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 23122 mDefaultPermissionPolicy.setSimCallManagerPackagesProvider(provider); 23123 } 23124 23125 @Override 23126 public void setUseOpenWifiAppPackagesProvider(PackagesProvider provider) { 23127 mDefaultPermissionPolicy.setUseOpenWifiAppPackagesProvider(provider); 23128 } 23129 23130 @Override 23131 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 23132 mDefaultPermissionPolicy.setSyncAdapterPackagesProvider(provider); 23133 } 23134 23135 @Override 23136 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 23137 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsApp(packageName, userId); 23138 } 23139 23140 @Override 23141 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 23142 synchronized (mPackages) { 23143 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 23144 } 23145 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerApp(packageName, userId); 23146 } 23147 23148 @Override 23149 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 23150 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManager( 23151 packageName, userId); 23152 } 23153 23154 @Override 23155 public void grantDefaultPermissionsToDefaultUseOpenWifiApp(String packageName, int userId) { 23156 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultUseOpenWifiApp( 23157 packageName, userId); 23158 } 23159 23160 @Override 23161 public void setKeepUninstalledPackages(final List<String> packageList) { 23162 Preconditions.checkNotNull(packageList); 23163 List<String> removedFromList = null; 23164 synchronized (mPackages) { 23165 if (mKeepUninstalledPackages != null) { 23166 final int packagesCount = mKeepUninstalledPackages.size(); 23167 for (int i = 0; i < packagesCount; i++) { 23168 String oldPackage = mKeepUninstalledPackages.get(i); 23169 if (packageList != null && packageList.contains(oldPackage)) { 23170 continue; 23171 } 23172 if (removedFromList == null) { 23173 removedFromList = new ArrayList<>(); 23174 } 23175 removedFromList.add(oldPackage); 23176 } 23177 } 23178 mKeepUninstalledPackages = new ArrayList<>(packageList); 23179 if (removedFromList != null) { 23180 final int removedCount = removedFromList.size(); 23181 for (int i = 0; i < removedCount; i++) { 23182 deletePackageIfUnusedLPr(removedFromList.get(i)); 23183 } 23184 } 23185 } 23186 } 23187 23188 @Override 23189 public boolean isPermissionsReviewRequired(String packageName, int userId) { 23190 synchronized (mPackages) { 23191 return mPermissionManager.isPermissionsReviewRequired( 23192 mPackages.get(packageName), userId); 23193 } 23194 } 23195 23196 @Override 23197 public PackageInfo getPackageInfo( 23198 String packageName, int flags, int filterCallingUid, int userId) { 23199 return PackageManagerService.this 23200 .getPackageInfoInternal(packageName, PackageManager.VERSION_CODE_HIGHEST, 23201 flags, filterCallingUid, userId); 23202 } 23203 23204 @Override 23205 public int getPackageUid(String packageName, int flags, int userId) { 23206 return PackageManagerService.this 23207 .getPackageUid(packageName, flags, userId); 23208 } 23209 23210 @Override 23211 public ApplicationInfo getApplicationInfo( 23212 String packageName, int flags, int filterCallingUid, int userId) { 23213 return PackageManagerService.this 23214 .getApplicationInfoInternal(packageName, flags, filterCallingUid, userId); 23215 } 23216 23217 @Override 23218 public ActivityInfo getActivityInfo( 23219 ComponentName component, int flags, int filterCallingUid, int userId) { 23220 return PackageManagerService.this 23221 .getActivityInfoInternal(component, flags, filterCallingUid, userId); 23222 } 23223 23224 @Override 23225 public List<ResolveInfo> queryIntentActivities( 23226 Intent intent, int flags, int filterCallingUid, int userId) { 23227 final String resolvedType = intent.resolveTypeIfNeeded(mContext.getContentResolver()); 23228 return PackageManagerService.this 23229 .queryIntentActivitiesInternal(intent, resolvedType, flags, filterCallingUid, 23230 userId, false /*resolveForStart*/, true /*allowDynamicSplits*/); 23231 } 23232 23233 @Override 23234 public List<ResolveInfo> queryIntentServices( 23235 Intent intent, int flags, int callingUid, int userId) { 23236 final String resolvedType = intent.resolveTypeIfNeeded(mContext.getContentResolver()); 23237 return PackageManagerService.this 23238 .queryIntentServicesInternal(intent, resolvedType, flags, userId, callingUid, 23239 false); 23240 } 23241 23242 @Override 23243 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 23244 int userId) { 23245 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 23246 } 23247 23248 @Override 23249 public void setDeviceAndProfileOwnerPackages( 23250 int deviceOwnerUserId, String deviceOwnerPackage, 23251 SparseArray<String> profileOwnerPackages) { 23252 mProtectedPackages.setDeviceAndProfileOwnerPackages( 23253 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 23254 } 23255 23256 @Override 23257 public boolean isPackageDataProtected(int userId, String packageName) { 23258 return mProtectedPackages.isPackageDataProtected(userId, packageName); 23259 } 23260 23261 @Override 23262 public boolean isPackageEphemeral(int userId, String packageName) { 23263 synchronized (mPackages) { 23264 final PackageSetting ps = mSettings.mPackages.get(packageName); 23265 return ps != null ? ps.getInstantApp(userId) : false; 23266 } 23267 } 23268 23269 @Override 23270 public boolean wasPackageEverLaunched(String packageName, int userId) { 23271 synchronized (mPackages) { 23272 return mSettings.wasPackageEverLaunchedLPr(packageName, userId); 23273 } 23274 } 23275 23276 @Override 23277 public void grantRuntimePermission(String packageName, String permName, int userId, 23278 boolean overridePolicy) { 23279 PackageManagerService.this.mPermissionManager.grantRuntimePermission( 23280 permName, packageName, overridePolicy, getCallingUid(), userId, 23281 mPermissionCallback); 23282 } 23283 23284 @Override 23285 public void revokeRuntimePermission(String packageName, String permName, int userId, 23286 boolean overridePolicy) { 23287 mPermissionManager.revokeRuntimePermission( 23288 permName, packageName, overridePolicy, getCallingUid(), userId, 23289 mPermissionCallback); 23290 } 23291 23292 @Override 23293 public String getNameForUid(int uid) { 23294 return PackageManagerService.this.getNameForUid(uid); 23295 } 23296 23297 @Override 23298 public void requestInstantAppResolutionPhaseTwo(AuxiliaryResolveInfo responseObj, 23299 Intent origIntent, String resolvedType, String callingPackage, 23300 Bundle verificationBundle, int userId) { 23301 PackageManagerService.this.requestInstantAppResolutionPhaseTwo( 23302 responseObj, origIntent, resolvedType, callingPackage, verificationBundle, 23303 userId); 23304 } 23305 23306 @Override 23307 public void grantEphemeralAccess(int userId, Intent intent, 23308 int targetAppId, int ephemeralAppId) { 23309 synchronized (mPackages) { 23310 mInstantAppRegistry.grantInstantAccessLPw(userId, intent, 23311 targetAppId, ephemeralAppId); 23312 } 23313 } 23314 23315 @Override 23316 public boolean isInstantAppInstallerComponent(ComponentName component) { 23317 synchronized (mPackages) { 23318 return mInstantAppInstallerActivity != null 23319 && mInstantAppInstallerActivity.getComponentName().equals(component); 23320 } 23321 } 23322 23323 @Override 23324 public void pruneInstantApps() { 23325 mInstantAppRegistry.pruneInstantApps(); 23326 } 23327 23328 @Override 23329 public String getSetupWizardPackageName() { 23330 return mSetupWizardPackage; 23331 } 23332 23333 public void setExternalSourcesPolicy(ExternalSourcesPolicy policy) { 23334 if (policy != null) { 23335 mExternalSourcesPolicy = policy; 23336 } 23337 } 23338 23339 @Override 23340 public boolean isPackagePersistent(String packageName) { 23341 synchronized (mPackages) { 23342 PackageParser.Package pkg = mPackages.get(packageName); 23343 return pkg != null 23344 ? ((pkg.applicationInfo.flags&(ApplicationInfo.FLAG_SYSTEM 23345 | ApplicationInfo.FLAG_PERSISTENT)) == 23346 (ApplicationInfo.FLAG_SYSTEM | ApplicationInfo.FLAG_PERSISTENT)) 23347 : false; 23348 } 23349 } 23350 23351 @Override 23352 public boolean isLegacySystemApp(Package pkg) { 23353 synchronized (mPackages) { 23354 final PackageSetting ps = (PackageSetting) pkg.mExtras; 23355 return mPromoteSystemApps 23356 && ps.isSystem() 23357 && mExistingSystemPackages.contains(ps.name); 23358 } 23359 } 23360 23361 @Override 23362 public List<PackageInfo> getOverlayPackages(int userId) { 23363 final ArrayList<PackageInfo> overlayPackages = new ArrayList<PackageInfo>(); 23364 synchronized (mPackages) { 23365 for (PackageParser.Package p : mPackages.values()) { 23366 if (p.mOverlayTarget != null) { 23367 PackageInfo pkg = generatePackageInfo((PackageSetting)p.mExtras, 0, userId); 23368 if (pkg != null) { 23369 overlayPackages.add(pkg); 23370 } 23371 } 23372 } 23373 } 23374 return overlayPackages; 23375 } 23376 23377 @Override 23378 public List<String> getTargetPackageNames(int userId) { 23379 List<String> targetPackages = new ArrayList<>(); 23380 synchronized (mPackages) { 23381 for (PackageParser.Package p : mPackages.values()) { 23382 if (p.mOverlayTarget == null) { 23383 targetPackages.add(p.packageName); 23384 } 23385 } 23386 } 23387 return targetPackages; 23388 } 23389 23390 @Override 23391 public boolean setEnabledOverlayPackages(int userId, @NonNull String targetPackageName, 23392 @Nullable List<String> overlayPackageNames) { 23393 synchronized (mPackages) { 23394 if (targetPackageName == null || mPackages.get(targetPackageName) == null) { 23395 Slog.e(TAG, "failed to find package " + targetPackageName); 23396 return false; 23397 } 23398 ArrayList<String> overlayPaths = null; 23399 if (overlayPackageNames != null && overlayPackageNames.size() > 0) { 23400 final int N = overlayPackageNames.size(); 23401 overlayPaths = new ArrayList<>(N); 23402 for (int i = 0; i < N; i++) { 23403 final String packageName = overlayPackageNames.get(i); 23404 final PackageParser.Package pkg = mPackages.get(packageName); 23405 if (pkg == null) { 23406 Slog.e(TAG, "failed to find package " + packageName); 23407 return false; 23408 } 23409 overlayPaths.add(pkg.baseCodePath); 23410 } 23411 } 23412 23413 final PackageSetting ps = mSettings.mPackages.get(targetPackageName); 23414 ps.setOverlayPaths(overlayPaths, userId); 23415 return true; 23416 } 23417 } 23418 23419 @Override 23420 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 23421 int flags, int userId, boolean resolveForStart) { 23422 return resolveIntentInternal( 23423 intent, resolvedType, flags, userId, resolveForStart); 23424 } 23425 23426 @Override 23427 public ResolveInfo resolveService(Intent intent, String resolvedType, 23428 int flags, int userId, int callingUid) { 23429 return resolveServiceInternal(intent, resolvedType, flags, userId, callingUid); 23430 } 23431 23432 @Override 23433 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 23434 return PackageManagerService.this.resolveContentProviderInternal( 23435 name, flags, userId); 23436 } 23437 23438 @Override 23439 public void addIsolatedUid(int isolatedUid, int ownerUid) { 23440 synchronized (mPackages) { 23441 mIsolatedOwners.put(isolatedUid, ownerUid); 23442 } 23443 } 23444 23445 @Override 23446 public void removeIsolatedUid(int isolatedUid) { 23447 synchronized (mPackages) { 23448 mIsolatedOwners.delete(isolatedUid); 23449 } 23450 } 23451 23452 @Override 23453 public int getUidTargetSdkVersion(int uid) { 23454 synchronized (mPackages) { 23455 return getUidTargetSdkVersionLockedLPr(uid); 23456 } 23457 } 23458 23459 @Override 23460 public int getPackageTargetSdkVersion(String packageName) { 23461 synchronized (mPackages) { 23462 return getPackageTargetSdkVersionLockedLPr(packageName); 23463 } 23464 } 23465 23466 @Override 23467 public boolean canAccessInstantApps(int callingUid, int userId) { 23468 return PackageManagerService.this.canViewInstantApps(callingUid, userId); 23469 } 23470 23471 @Override 23472 public boolean hasInstantApplicationMetadata(String packageName, int userId) { 23473 synchronized (mPackages) { 23474 return mInstantAppRegistry.hasInstantApplicationMetadataLPr(packageName, userId); 23475 } 23476 } 23477 23478 @Override 23479 public void notifyPackageUse(String packageName, int reason) { 23480 synchronized (mPackages) { 23481 PackageManagerService.this.notifyPackageUseLocked(packageName, reason); 23482 } 23483 } 23484 } 23485 23486 @Override 23487 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 23488 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 23489 synchronized (mPackages) { 23490 final long identity = Binder.clearCallingIdentity(); 23491 try { 23492 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierApps( 23493 packageNames, userId); 23494 } finally { 23495 Binder.restoreCallingIdentity(identity); 23496 } 23497 } 23498 } 23499 23500 @Override 23501 public void grantDefaultPermissionsToEnabledImsServices(String[] packageNames, int userId) { 23502 enforceSystemOrPhoneCaller("grantDefaultPermissionsToEnabledImsServices"); 23503 synchronized (mPackages) { 23504 final long identity = Binder.clearCallingIdentity(); 23505 try { 23506 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledImsServices( 23507 packageNames, userId); 23508 } finally { 23509 Binder.restoreCallingIdentity(identity); 23510 } 23511 } 23512 } 23513 23514 private static void enforceSystemOrPhoneCaller(String tag) { 23515 int callingUid = Binder.getCallingUid(); 23516 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 23517 throw new SecurityException( 23518 "Cannot call " + tag + " from UID " + callingUid); 23519 } 23520 } 23521 23522 boolean isHistoricalPackageUsageAvailable() { 23523 return mPackageUsage.isHistoricalPackageUsageAvailable(); 23524 } 23525 23526 /** 23527 * Return a <b>copy</b> of the collection of packages known to the package manager. 23528 * @return A copy of the values of mPackages. 23529 */ 23530 Collection<PackageParser.Package> getPackages() { 23531 synchronized (mPackages) { 23532 return new ArrayList<>(mPackages.values()); 23533 } 23534 } 23535 23536 /** 23537 * Logs process start information (including base APK hash) to the security log. 23538 * @hide 23539 */ 23540 @Override 23541 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 23542 String apkFile, int pid) { 23543 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 23544 return; 23545 } 23546 if (!SecurityLog.isLoggingEnabled()) { 23547 return; 23548 } 23549 Bundle data = new Bundle(); 23550 data.putLong("startTimestamp", System.currentTimeMillis()); 23551 data.putString("processName", processName); 23552 data.putInt("uid", uid); 23553 data.putString("seinfo", seinfo); 23554 data.putString("apkFile", apkFile); 23555 data.putInt("pid", pid); 23556 Message msg = mProcessLoggingHandler.obtainMessage( 23557 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 23558 msg.setData(data); 23559 mProcessLoggingHandler.sendMessage(msg); 23560 } 23561 23562 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 23563 return mCompilerStats.getPackageStats(pkgName); 23564 } 23565 23566 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 23567 return getOrCreateCompilerPackageStats(pkg.packageName); 23568 } 23569 23570 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 23571 return mCompilerStats.getOrCreatePackageStats(pkgName); 23572 } 23573 23574 public void deleteCompilerPackageStats(String pkgName) { 23575 mCompilerStats.deletePackageStats(pkgName); 23576 } 23577 23578 @Override 23579 public int getInstallReason(String packageName, int userId) { 23580 final int callingUid = Binder.getCallingUid(); 23581 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 23582 true /* requireFullPermission */, false /* checkShell */, 23583 "get install reason"); 23584 synchronized (mPackages) { 23585 final PackageSetting ps = mSettings.mPackages.get(packageName); 23586 if (filterAppAccessLPr(ps, callingUid, userId)) { 23587 return PackageManager.INSTALL_REASON_UNKNOWN; 23588 } 23589 if (ps != null) { 23590 return ps.getInstallReason(userId); 23591 } 23592 } 23593 return PackageManager.INSTALL_REASON_UNKNOWN; 23594 } 23595 23596 @Override 23597 public boolean canRequestPackageInstalls(String packageName, int userId) { 23598 return canRequestPackageInstallsInternal(packageName, 0, userId, 23599 true /* throwIfPermNotDeclared*/); 23600 } 23601 23602 private boolean canRequestPackageInstallsInternal(String packageName, int flags, int userId, 23603 boolean throwIfPermNotDeclared) { 23604 int callingUid = Binder.getCallingUid(); 23605 int uid = getPackageUid(packageName, 0, userId); 23606 if (callingUid != uid && callingUid != Process.ROOT_UID 23607 && callingUid != Process.SYSTEM_UID) { 23608 throw new SecurityException( 23609 "Caller uid " + callingUid + " does not own package " + packageName); 23610 } 23611 ApplicationInfo info = getApplicationInfo(packageName, flags, userId); 23612 if (info == null) { 23613 return false; 23614 } 23615 if (info.targetSdkVersion < Build.VERSION_CODES.O) { 23616 return false; 23617 } 23618 String appOpPermission = Manifest.permission.REQUEST_INSTALL_PACKAGES; 23619 String[] packagesDeclaringPermission = getAppOpPermissionPackages(appOpPermission); 23620 if (!ArrayUtils.contains(packagesDeclaringPermission, packageName)) { 23621 if (throwIfPermNotDeclared) { 23622 throw new SecurityException("Need to declare " + appOpPermission 23623 + " to call this api"); 23624 } else { 23625 Slog.e(TAG, "Need to declare " + appOpPermission + " to call this api"); 23626 return false; 23627 } 23628 } 23629 if (sUserManager.hasUserRestriction(UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES, userId)) { 23630 return false; 23631 } 23632 if (mExternalSourcesPolicy != null) { 23633 int isTrusted = mExternalSourcesPolicy.getPackageTrustedToInstallApps(packageName, uid); 23634 if (isTrusted != PackageManagerInternal.ExternalSourcesPolicy.USER_DEFAULT) { 23635 return isTrusted == PackageManagerInternal.ExternalSourcesPolicy.USER_TRUSTED; 23636 } 23637 } 23638 return checkUidPermission(appOpPermission, uid) == PERMISSION_GRANTED; 23639 } 23640 23641 @Override 23642 public ComponentName getInstantAppResolverSettingsComponent() { 23643 return mInstantAppResolverSettingsComponent; 23644 } 23645 23646 @Override 23647 public ComponentName getInstantAppInstallerComponent() { 23648 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 23649 return null; 23650 } 23651 return mInstantAppInstallerActivity == null 23652 ? null : mInstantAppInstallerActivity.getComponentName(); 23653 } 23654 23655 @Override 23656 public String getInstantAppAndroidId(String packageName, int userId) { 23657 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.ACCESS_INSTANT_APPS, 23658 "getInstantAppAndroidId"); 23659 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 23660 true /* requireFullPermission */, false /* checkShell */, 23661 "getInstantAppAndroidId"); 23662 // Make sure the target is an Instant App. 23663 if (!isInstantApp(packageName, userId)) { 23664 return null; 23665 } 23666 synchronized (mPackages) { 23667 return mInstantAppRegistry.getInstantAppAndroidIdLPw(packageName, userId); 23668 } 23669 } 23670 23671 boolean canHaveOatDir(String packageName) { 23672 synchronized (mPackages) { 23673 PackageParser.Package p = mPackages.get(packageName); 23674 if (p == null) { 23675 return false; 23676 } 23677 return p.canHaveOatDir(); 23678 } 23679 } 23680 23681 private String getOatDir(PackageParser.Package pkg) { 23682 if (!pkg.canHaveOatDir()) { 23683 return null; 23684 } 23685 File codePath = new File(pkg.codePath); 23686 if (codePath.isDirectory()) { 23687 return PackageDexOptimizer.getOatDir(codePath).getAbsolutePath(); 23688 } 23689 return null; 23690 } 23691 23692 void deleteOatArtifactsOfPackage(String packageName) { 23693 final String[] instructionSets; 23694 final List<String> codePaths; 23695 final String oatDir; 23696 final PackageParser.Package pkg; 23697 synchronized (mPackages) { 23698 pkg = mPackages.get(packageName); 23699 } 23700 instructionSets = getAppDexInstructionSets(pkg.applicationInfo); 23701 codePaths = pkg.getAllCodePaths(); 23702 oatDir = getOatDir(pkg); 23703 23704 for (String codePath : codePaths) { 23705 for (String isa : instructionSets) { 23706 try { 23707 mInstaller.deleteOdex(codePath, isa, oatDir); 23708 } catch (InstallerException e) { 23709 Log.e(TAG, "Failed deleting oat files for " + codePath, e); 23710 } 23711 } 23712 } 23713 } 23714 23715 Set<String> getUnusedPackages(long downgradeTimeThresholdMillis) { 23716 Set<String> unusedPackages = new HashSet<>(); 23717 long currentTimeInMillis = System.currentTimeMillis(); 23718 synchronized (mPackages) { 23719 for (PackageParser.Package pkg : mPackages.values()) { 23720 PackageSetting ps = mSettings.mPackages.get(pkg.packageName); 23721 if (ps == null) { 23722 continue; 23723 } 23724 PackageDexUsage.PackageUseInfo packageUseInfo = 23725 getDexManager().getPackageUseInfoOrDefault(pkg.packageName); 23726 if (PackageManagerServiceUtils 23727 .isUnusedSinceTimeInMillis(ps.firstInstallTime, currentTimeInMillis, 23728 downgradeTimeThresholdMillis, packageUseInfo, 23729 pkg.getLatestPackageUseTimeInMills(), 23730 pkg.getLatestForegroundPackageUseTimeInMills())) { 23731 unusedPackages.add(pkg.packageName); 23732 } 23733 } 23734 } 23735 return unusedPackages; 23736 } 23737 23738 @Override 23739 public void setHarmfulAppWarning(@NonNull String packageName, @Nullable CharSequence warning, 23740 int userId) { 23741 final int callingUid = Binder.getCallingUid(); 23742 final int callingAppId = UserHandle.getAppId(callingUid); 23743 23744 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 23745 true /*requireFullPermission*/, true /*checkShell*/, "setHarmfulAppInfo"); 23746 23747 if (callingAppId != Process.SYSTEM_UID && callingAppId != Process.ROOT_UID && 23748 checkUidPermission(SET_HARMFUL_APP_WARNINGS, callingUid) != PERMISSION_GRANTED) { 23749 throw new SecurityException("Caller must have the " 23750 + SET_HARMFUL_APP_WARNINGS + " permission."); 23751 } 23752 23753 synchronized(mPackages) { 23754 mSettings.setHarmfulAppWarningLPw(packageName, warning, userId); 23755 scheduleWritePackageRestrictionsLocked(userId); 23756 } 23757 } 23758 23759 @Nullable 23760 @Override 23761 public CharSequence getHarmfulAppWarning(@NonNull String packageName, int userId) { 23762 final int callingUid = Binder.getCallingUid(); 23763 final int callingAppId = UserHandle.getAppId(callingUid); 23764 23765 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 23766 true /*requireFullPermission*/, true /*checkShell*/, "getHarmfulAppInfo"); 23767 23768 if (callingAppId != Process.SYSTEM_UID && callingAppId != Process.ROOT_UID && 23769 checkUidPermission(SET_HARMFUL_APP_WARNINGS, callingUid) != PERMISSION_GRANTED) { 23770 throw new SecurityException("Caller must have the " 23771 + SET_HARMFUL_APP_WARNINGS + " permission."); 23772 } 23773 23774 synchronized(mPackages) { 23775 return mSettings.getHarmfulAppWarningLPr(packageName, userId); 23776 } 23777 } 23778} 23779 23780interface PackageSender { 23781 /** 23782 * @param userIds User IDs where the action occurred on a full application 23783 * @param instantUserIds User IDs where the action occurred on an instant application 23784 */ 23785 void sendPackageBroadcast(final String action, final String pkg, 23786 final Bundle extras, final int flags, final String targetPkg, 23787 final IIntentReceiver finishedReceiver, final int[] userIds, int[] instantUserIds); 23788 void sendPackageAddedForNewUsers(String packageName, boolean sendBootCompleted, 23789 boolean includeStopped, int appId, int[] userIds, int[] instantUserIds); 23790 void notifyPackageAdded(String packageName); 23791 void notifyPackageRemoved(String packageName); 23792} 23793