PackageManagerService.java revision b37e1cd82fcaa7058e9fdf34749fcd19a7e2b2b4
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.DELETE_PACKAGES; 20import static android.Manifest.permission.INSTALL_PACKAGES; 21import static android.Manifest.permission.MANAGE_DEVICE_ADMINS; 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.SET_HARMFUL_APP_WARNINGS; 26import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 27import static android.content.pm.PackageManager.CERT_INPUT_RAW_X509; 28import static android.content.pm.PackageManager.CERT_INPUT_SHA256; 29import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 30import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 31import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 32import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 33import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 34import static android.content.pm.PackageManager.DELETE_KEEP_DATA; 35import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 36import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 37import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 38import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 39import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 40import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 41import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 42import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 43import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 44import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 45import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 46import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 47import static android.content.pm.PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID; 48import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 49import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 50import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 51import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 52import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 53import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 54import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 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_VERSION_DOWNGRADE; 59import static android.content.pm.PackageManager.INSTALL_INTERNAL; 60import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 61import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 62import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 63import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 64import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 65import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 66import static android.content.pm.PackageManager.MATCH_ALL; 67import static android.content.pm.PackageManager.MATCH_ANY_USER; 68import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 69import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_AWARE; 70import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE; 71import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 72import static android.content.pm.PackageManager.MATCH_FACTORY_ONLY; 73import static android.content.pm.PackageManager.MATCH_KNOWN_PACKAGES; 74import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 75import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 76import static android.content.pm.PackageManager.MOVE_FAILED_3RD_PARTY_NOT_ALLOWED_ON_INTERNAL; 77import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 78import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 79import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 80import static android.content.pm.PackageManager.MOVE_FAILED_LOCKED_USER; 81import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 82import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 83import static android.content.pm.PackageManager.PERMISSION_DENIED; 84import static android.content.pm.PackageManager.PERMISSION_GRANTED; 85import static android.content.pm.PackageParser.isApkFile; 86import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 87import static android.os.storage.StorageManager.FLAG_STORAGE_CE; 88import static android.os.storage.StorageManager.FLAG_STORAGE_DE; 89import static android.system.OsConstants.O_CREAT; 90import static android.system.OsConstants.O_RDWR; 91import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 92import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 93import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 94import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 95import static com.android.internal.util.ArrayUtils.appendElement; 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.getDefaultCompilerFilter; 103import static com.android.server.pm.PackageManagerServiceUtils.compareSignatures; 104import static com.android.server.pm.PackageManagerServiceUtils.compressedFileExists; 105import static com.android.server.pm.PackageManagerServiceUtils.decompressFile; 106import static com.android.server.pm.PackageManagerServiceUtils.deriveAbiOverride; 107import static com.android.server.pm.PackageManagerServiceUtils.dumpCriticalInfo; 108import static com.android.server.pm.PackageManagerServiceUtils.getCompressedFiles; 109import static com.android.server.pm.PackageManagerServiceUtils.getLastModifiedTime; 110import static com.android.server.pm.PackageManagerServiceUtils.logCriticalInfo; 111import static com.android.server.pm.PackageManagerServiceUtils.verifySignatures; 112import static com.android.server.pm.permission.PermissionsState.PERMISSION_OPERATION_FAILURE; 113import static com.android.server.pm.permission.PermissionsState.PERMISSION_OPERATION_SUCCESS; 114import static com.android.server.pm.permission.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 115 116import android.Manifest; 117import android.annotation.IntDef; 118import android.annotation.NonNull; 119import android.annotation.Nullable; 120import android.annotation.UserIdInt; 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.PackageManager.LegacyPackageDeleteObserver; 171import android.content.pm.PackageManagerInternal; 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; 181import android.content.pm.PackageParser.SigningDetails.SignatureSchemeVersion; 182import android.content.pm.PackageStats; 183import android.content.pm.PackageUserState; 184import android.content.pm.ParceledListSlice; 185import android.content.pm.PermissionGroupInfo; 186import android.content.pm.PermissionInfo; 187import android.content.pm.ProviderInfo; 188import android.content.pm.ResolveInfo; 189import android.content.pm.SELinuxUtil; 190import android.content.pm.ServiceInfo; 191import android.content.pm.SharedLibraryInfo; 192import android.content.pm.Signature; 193import android.content.pm.UserInfo; 194import android.content.pm.VerifierDeviceIdentity; 195import android.content.pm.VerifierInfo; 196import android.content.pm.VersionedPackage; 197import android.content.pm.dex.ArtManager; 198import android.content.pm.dex.DexMetadataHelper; 199import android.content.pm.dex.IArtManager; 200import android.content.res.Resources; 201import android.database.ContentObserver; 202import android.graphics.Bitmap; 203import android.hardware.display.DisplayManager; 204import android.net.Uri; 205import android.os.AsyncTask; 206import android.os.Binder; 207import android.os.Build; 208import android.os.Bundle; 209import android.os.Debug; 210import android.os.Environment; 211import android.os.Environment.UserEnvironment; 212import android.os.FileUtils; 213import android.os.Handler; 214import android.os.IBinder; 215import android.os.Looper; 216import android.os.Message; 217import android.os.Parcel; 218import android.os.ParcelFileDescriptor; 219import android.os.PatternMatcher; 220import android.os.PersistableBundle; 221import android.os.Process; 222import android.os.RemoteCallbackList; 223import android.os.RemoteException; 224import android.os.ResultReceiver; 225import android.os.SELinux; 226import android.os.ServiceManager; 227import android.os.ShellCallback; 228import android.os.SystemClock; 229import android.os.SystemProperties; 230import android.os.Trace; 231import android.os.UserHandle; 232import android.os.UserManager; 233import android.os.UserManagerInternal; 234import android.os.storage.IStorageManager; 235import android.os.storage.StorageEventListener; 236import android.os.storage.StorageManager; 237import android.os.storage.StorageManagerInternal; 238import android.os.storage.VolumeInfo; 239import android.os.storage.VolumeRecord; 240import android.provider.Settings.Global; 241import android.provider.Settings.Secure; 242import android.security.KeyStore; 243import android.security.SystemKeyStore; 244import android.service.pm.PackageServiceDumpProto; 245import android.system.ErrnoException; 246import android.system.Os; 247import android.text.TextUtils; 248import android.text.format.DateUtils; 249import android.util.ArrayMap; 250import android.util.ArraySet; 251import android.util.Base64; 252import android.util.ByteStringUtils; 253import android.util.DisplayMetrics; 254import android.util.EventLog; 255import android.util.ExceptionUtils; 256import android.util.Log; 257import android.util.LogPrinter; 258import android.util.LongSparseArray; 259import android.util.LongSparseLongArray; 260import android.util.MathUtils; 261import android.util.PackageUtils; 262import android.util.Pair; 263import android.util.PrintStreamPrinter; 264import android.util.Slog; 265import android.util.SparseArray; 266import android.util.SparseBooleanArray; 267import android.util.SparseIntArray; 268import android.util.TimingsTraceLog; 269import android.util.Xml; 270import android.util.jar.StrictJarFile; 271import android.util.proto.ProtoOutputStream; 272import android.view.Display; 273 274import com.android.internal.R; 275import com.android.internal.annotations.GuardedBy; 276import com.android.internal.app.IMediaContainerService; 277import com.android.internal.app.ResolverActivity; 278import com.android.internal.app.SuspendedAppActivity; 279import com.android.internal.content.NativeLibraryHelper; 280import com.android.internal.content.PackageHelper; 281import com.android.internal.logging.MetricsLogger; 282import com.android.internal.os.IParcelFileDescriptorFactory; 283import com.android.internal.os.SomeArgs; 284import com.android.internal.os.Zygote; 285import com.android.internal.telephony.CarrierAppUtils; 286import com.android.internal.util.ArrayUtils; 287import com.android.internal.util.ConcurrentUtils; 288import com.android.internal.util.DumpUtils; 289import com.android.internal.util.FastXmlSerializer; 290import com.android.internal.util.IndentingPrintWriter; 291import com.android.internal.util.Preconditions; 292import com.android.internal.util.XmlUtils; 293import com.android.server.AttributeCache; 294import com.android.server.DeviceIdleController; 295import com.android.server.EventLogTags; 296import com.android.server.FgThread; 297import com.android.server.IntentResolver; 298import com.android.server.LocalServices; 299import com.android.server.LockGuard; 300import com.android.server.ServiceThread; 301import com.android.server.SystemConfig; 302import com.android.server.SystemServerInitThreadPool; 303import com.android.server.Watchdog; 304import com.android.server.net.NetworkPolicyManagerInternal; 305import com.android.server.pm.Installer.InstallerException; 306import com.android.server.pm.Settings.DatabaseVersion; 307import com.android.server.pm.Settings.VersionInfo; 308import com.android.server.pm.dex.ArtManagerService; 309import com.android.server.pm.dex.DexLogger; 310import com.android.server.pm.dex.DexManager; 311import com.android.server.pm.dex.DexoptOptions; 312import com.android.server.pm.dex.PackageDexUsage; 313import com.android.server.pm.permission.BasePermission; 314import com.android.server.pm.permission.DefaultPermissionGrantPolicy; 315import com.android.server.pm.permission.DefaultPermissionGrantPolicy.DefaultPermissionGrantedCallback; 316import com.android.server.pm.permission.PermissionManagerInternal; 317import com.android.server.pm.permission.PermissionManagerInternal.PermissionCallback; 318import com.android.server.pm.permission.PermissionManagerService; 319import com.android.server.pm.permission.PermissionsState; 320import com.android.server.pm.permission.PermissionsState.PermissionState; 321import com.android.server.security.VerityUtils; 322import com.android.server.storage.DeviceStorageMonitorInternal; 323 324import dalvik.system.CloseGuard; 325import dalvik.system.VMRuntime; 326 327import libcore.io.IoUtils; 328 329import org.xmlpull.v1.XmlPullParser; 330import org.xmlpull.v1.XmlPullParserException; 331import org.xmlpull.v1.XmlSerializer; 332 333import java.io.BufferedOutputStream; 334import java.io.ByteArrayInputStream; 335import java.io.ByteArrayOutputStream; 336import java.io.File; 337import java.io.FileDescriptor; 338import java.io.FileInputStream; 339import java.io.FileOutputStream; 340import java.io.FilenameFilter; 341import java.io.IOException; 342import java.io.PrintWriter; 343import java.lang.annotation.Retention; 344import java.lang.annotation.RetentionPolicy; 345import java.nio.charset.StandardCharsets; 346import java.security.DigestException; 347import java.security.DigestInputStream; 348import java.security.MessageDigest; 349import java.security.NoSuchAlgorithmException; 350import java.security.PublicKey; 351import java.security.SecureRandom; 352import java.security.cert.CertificateException; 353import java.util.ArrayList; 354import java.util.Arrays; 355import java.util.Collection; 356import java.util.Collections; 357import java.util.Comparator; 358import java.util.HashMap; 359import java.util.HashSet; 360import java.util.Iterator; 361import java.util.LinkedHashSet; 362import java.util.List; 363import java.util.Map; 364import java.util.Objects; 365import java.util.Set; 366import java.util.concurrent.CountDownLatch; 367import java.util.concurrent.Future; 368import java.util.concurrent.TimeUnit; 369import java.util.concurrent.atomic.AtomicBoolean; 370import java.util.concurrent.atomic.AtomicInteger; 371 372/** 373 * Keep track of all those APKs everywhere. 374 * <p> 375 * Internally there are two important locks: 376 * <ul> 377 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 378 * and other related state. It is a fine-grained lock that should only be held 379 * momentarily, as it's one of the most contended locks in the system. 380 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 381 * operations typically involve heavy lifting of application data on disk. Since 382 * {@code installd} is single-threaded, and it's operations can often be slow, 383 * this lock should never be acquired while already holding {@link #mPackages}. 384 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 385 * holding {@link #mInstallLock}. 386 * </ul> 387 * Many internal methods rely on the caller to hold the appropriate locks, and 388 * this contract is expressed through method name suffixes: 389 * <ul> 390 * <li>fooLI(): the caller must hold {@link #mInstallLock} 391 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 392 * being modified must be frozen 393 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 394 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 395 * </ul> 396 * <p> 397 * Because this class is very central to the platform's security; please run all 398 * CTS and unit tests whenever making modifications: 399 * 400 * <pre> 401 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 402 * $ cts-tradefed run commandAndExit cts -m CtsAppSecurityHostTestCases 403 * </pre> 404 */ 405public class PackageManagerService extends IPackageManager.Stub 406 implements PackageSender { 407 static final String TAG = "PackageManager"; 408 public static final boolean DEBUG_SETTINGS = false; 409 static final boolean DEBUG_PREFERRED = false; 410 static final boolean DEBUG_UPGRADE = false; 411 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 412 private static final boolean DEBUG_BACKUP = false; 413 public static final boolean DEBUG_INSTALL = false; 414 public static final boolean DEBUG_REMOVE = true; 415 private static final boolean DEBUG_BROADCASTS = false; 416 private static final boolean DEBUG_SHOW_INFO = false; 417 private static final boolean DEBUG_PACKAGE_INFO = false; 418 private static final boolean DEBUG_INTENT_MATCHING = false; 419 public static final boolean DEBUG_PACKAGE_SCANNING = false; 420 private static final boolean DEBUG_VERIFY = false; 421 private static final boolean DEBUG_FILTERS = false; 422 public static final boolean DEBUG_PERMISSIONS = false; 423 private static final boolean DEBUG_SHARED_LIBRARIES = false; 424 public static final boolean DEBUG_COMPRESSION = Build.IS_DEBUGGABLE; 425 426 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 427 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 428 // user, but by default initialize to this. 429 public static final boolean DEBUG_DEXOPT = false; 430 431 private static final boolean DEBUG_ABI_SELECTION = false; 432 private static final boolean DEBUG_INSTANT = Build.IS_DEBUGGABLE; 433 private static final boolean DEBUG_TRIAGED_MISSING = false; 434 private static final boolean DEBUG_APP_DATA = false; 435 436 /** REMOVE. According to Svet, this was only used to reset permissions during development. */ 437 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 438 439 private static final boolean HIDE_EPHEMERAL_APIS = false; 440 441 private static final boolean ENABLE_FREE_CACHE_V2 = 442 SystemProperties.getBoolean("fw.free_cache_v2", true); 443 444 private static final int RADIO_UID = Process.PHONE_UID; 445 private static final int LOG_UID = Process.LOG_UID; 446 private static final int NFC_UID = Process.NFC_UID; 447 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 448 private static final int SHELL_UID = Process.SHELL_UID; 449 private static final int SE_UID = Process.SE_UID; 450 451 // Suffix used during package installation when copying/moving 452 // package apks to install directory. 453 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 454 455 static final int SCAN_NO_DEX = 1<<0; 456 static final int SCAN_UPDATE_SIGNATURE = 1<<1; 457 static final int SCAN_NEW_INSTALL = 1<<2; 458 static final int SCAN_UPDATE_TIME = 1<<3; 459 static final int SCAN_BOOTING = 1<<4; 460 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<6; 461 static final int SCAN_REQUIRE_KNOWN = 1<<7; 462 static final int SCAN_MOVE = 1<<8; 463 static final int SCAN_INITIAL = 1<<9; 464 static final int SCAN_CHECK_ONLY = 1<<10; 465 static final int SCAN_DONT_KILL_APP = 1<<11; 466 static final int SCAN_IGNORE_FROZEN = 1<<12; 467 static final int SCAN_FIRST_BOOT_OR_UPGRADE = 1<<13; 468 static final int SCAN_AS_INSTANT_APP = 1<<14; 469 static final int SCAN_AS_FULL_APP = 1<<15; 470 static final int SCAN_AS_VIRTUAL_PRELOAD = 1<<16; 471 static final int SCAN_AS_SYSTEM = 1<<17; 472 static final int SCAN_AS_PRIVILEGED = 1<<18; 473 static final int SCAN_AS_OEM = 1<<19; 474 static final int SCAN_AS_VENDOR = 1<<20; 475 static final int SCAN_AS_PRODUCT = 1<<21; 476 477 @IntDef(flag = true, prefix = { "SCAN_" }, value = { 478 SCAN_NO_DEX, 479 SCAN_UPDATE_SIGNATURE, 480 SCAN_NEW_INSTALL, 481 SCAN_UPDATE_TIME, 482 SCAN_BOOTING, 483 SCAN_DELETE_DATA_ON_FAILURES, 484 SCAN_REQUIRE_KNOWN, 485 SCAN_MOVE, 486 SCAN_INITIAL, 487 SCAN_CHECK_ONLY, 488 SCAN_DONT_KILL_APP, 489 SCAN_IGNORE_FROZEN, 490 SCAN_FIRST_BOOT_OR_UPGRADE, 491 SCAN_AS_INSTANT_APP, 492 SCAN_AS_FULL_APP, 493 SCAN_AS_VIRTUAL_PRELOAD, 494 }) 495 @Retention(RetentionPolicy.SOURCE) 496 public @interface ScanFlags {} 497 498 private static final String STATIC_SHARED_LIB_DELIMITER = "_"; 499 /** Extension of the compressed packages */ 500 public final static String COMPRESSED_EXTENSION = ".gz"; 501 /** Suffix of stub packages on the system partition */ 502 public final static String STUB_SUFFIX = "-Stub"; 503 504 private static final int[] EMPTY_INT_ARRAY = new int[0]; 505 506 private static final int TYPE_UNKNOWN = 0; 507 private static final int TYPE_ACTIVITY = 1; 508 private static final int TYPE_RECEIVER = 2; 509 private static final int TYPE_SERVICE = 3; 510 private static final int TYPE_PROVIDER = 4; 511 @IntDef(prefix = { "TYPE_" }, value = { 512 TYPE_UNKNOWN, 513 TYPE_ACTIVITY, 514 TYPE_RECEIVER, 515 TYPE_SERVICE, 516 TYPE_PROVIDER, 517 }) 518 @Retention(RetentionPolicy.SOURCE) 519 public @interface ComponentType {} 520 521 /** 522 * Timeout (in milliseconds) after which the watchdog should declare that 523 * our handler thread is wedged. The usual default for such things is one 524 * minute but we sometimes do very lengthy I/O operations on this thread, 525 * such as installing multi-gigabyte applications, so ours needs to be longer. 526 */ 527 static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 528 529 /** 530 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 531 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 532 * settings entry if available, otherwise we use the hardcoded default. If it's been 533 * more than this long since the last fstrim, we force one during the boot sequence. 534 * 535 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 536 * one gets run at the next available charging+idle time. This final mandatory 537 * no-fstrim check kicks in only of the other scheduling criteria is never met. 538 */ 539 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 540 541 /** 542 * Whether verification is enabled by default. 543 */ 544 private static final boolean DEFAULT_VERIFY_ENABLE = true; 545 546 /** 547 * The default maximum time to wait for the verification agent to return in 548 * milliseconds. 549 */ 550 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 551 552 /** 553 * The default response for package verification timeout. 554 * 555 * This can be either PackageManager.VERIFICATION_ALLOW or 556 * PackageManager.VERIFICATION_REJECT. 557 */ 558 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 559 560 public static final String PLATFORM_PACKAGE_NAME = "android"; 561 562 public static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 563 564 public static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 565 DEFAULT_CONTAINER_PACKAGE, 566 "com.android.defcontainer.DefaultContainerService"); 567 568 private static final String KILL_APP_REASON_GIDS_CHANGED = 569 "permission grant or revoke changed gids"; 570 571 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 572 "permissions revoked"; 573 574 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 575 576 private static final String PACKAGE_SCHEME = "package"; 577 578 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 579 580 private static final String PRODUCT_OVERLAY_DIR = "/product/overlay"; 581 582 private static final String PROPERTY_NAME_PM_DEXOPT_PRIV_APPS_OOB = "pm.dexopt.priv-apps-oob"; 583 584 /** Canonical intent used to identify what counts as a "web browser" app */ 585 private static final Intent sBrowserIntent; 586 static { 587 sBrowserIntent = new Intent(); 588 sBrowserIntent.setAction(Intent.ACTION_VIEW); 589 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 590 sBrowserIntent.setData(Uri.parse("http:")); 591 sBrowserIntent.addFlags(Intent.FLAG_IGNORE_EPHEMERAL); 592 } 593 594 /** 595 * The set of all protected actions [i.e. those actions for which a high priority 596 * intent filter is disallowed]. 597 */ 598 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 599 static { 600 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 601 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 602 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 603 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 604 } 605 606 // Compilation reasons. 607 public static final int REASON_UNKNOWN = -1; 608 public static final int REASON_FIRST_BOOT = 0; 609 public static final int REASON_BOOT = 1; 610 public static final int REASON_INSTALL = 2; 611 public static final int REASON_BACKGROUND_DEXOPT = 3; 612 public static final int REASON_AB_OTA = 4; 613 public static final int REASON_INACTIVE_PACKAGE_DOWNGRADE = 5; 614 public static final int REASON_SHARED = 6; 615 616 public static final int REASON_LAST = REASON_SHARED; 617 618 /** 619 * Version number for the package parser cache. Increment this whenever the format or 620 * extent of cached data changes. See {@code PackageParser#setCacheDir}. 621 */ 622 private static final String PACKAGE_PARSER_CACHE_VERSION = "1"; 623 624 /** 625 * Whether the package parser cache is enabled. 626 */ 627 private static final boolean DEFAULT_PACKAGE_PARSER_CACHE_ENABLED = true; 628 629 /** 630 * Permissions required in order to receive instant application lifecycle broadcasts. 631 */ 632 private static final String[] INSTANT_APP_BROADCAST_PERMISSION = 633 new String[] { android.Manifest.permission.ACCESS_INSTANT_APPS }; 634 635 final ServiceThread mHandlerThread; 636 637 final PackageHandler mHandler; 638 639 private final ProcessLoggingHandler mProcessLoggingHandler; 640 641 /** 642 * Messages for {@link #mHandler} that need to wait for system ready before 643 * being dispatched. 644 */ 645 private ArrayList<Message> mPostSystemReadyMessages; 646 647 final int mSdkVersion = Build.VERSION.SDK_INT; 648 649 final Context mContext; 650 final boolean mFactoryTest; 651 final boolean mOnlyCore; 652 final DisplayMetrics mMetrics; 653 final int mDefParseFlags; 654 final String[] mSeparateProcesses; 655 final boolean mIsUpgrade; 656 final boolean mIsPreNUpgrade; 657 final boolean mIsPreNMR1Upgrade; 658 659 // Have we told the Activity Manager to whitelist the default container service by uid yet? 660 @GuardedBy("mPackages") 661 boolean mDefaultContainerWhitelisted = false; 662 663 @GuardedBy("mPackages") 664 private boolean mDexOptDialogShown; 665 666 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 667 // LOCK HELD. Can be called with mInstallLock held. 668 @GuardedBy("mInstallLock") 669 final Installer mInstaller; 670 671 /** Directory where installed applications are stored */ 672 private static final File sAppInstallDir = 673 new File(Environment.getDataDirectory(), "app"); 674 /** Directory where installed application's 32-bit native libraries are copied. */ 675 private static final File sAppLib32InstallDir = 676 new File(Environment.getDataDirectory(), "app-lib"); 677 /** Directory where code and non-resource assets of forward-locked applications are stored */ 678 private static final File sDrmAppPrivateInstallDir = 679 new File(Environment.getDataDirectory(), "app-private"); 680 681 // ---------------------------------------------------------------- 682 683 // Lock for state used when installing and doing other long running 684 // operations. Methods that must be called with this lock held have 685 // the suffix "LI". 686 final Object mInstallLock = new Object(); 687 688 // ---------------------------------------------------------------- 689 690 // Keys are String (package name), values are Package. This also serves 691 // as the lock for the global state. Methods that must be called with 692 // this lock held have the prefix "LP". 693 @GuardedBy("mPackages") 694 final ArrayMap<String, PackageParser.Package> mPackages = 695 new ArrayMap<String, PackageParser.Package>(); 696 697 final ArrayMap<String, Set<String>> mKnownCodebase = 698 new ArrayMap<String, Set<String>>(); 699 700 // Keys are isolated uids and values are the uid of the application 701 // that created the isolated proccess. 702 @GuardedBy("mPackages") 703 final SparseIntArray mIsolatedOwners = new SparseIntArray(); 704 705 /** 706 * Tracks new system packages [received in an OTA] that we expect to 707 * find updated user-installed versions. Keys are package name, values 708 * are package location. 709 */ 710 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 711 /** 712 * Tracks high priority intent filters for protected actions. During boot, certain 713 * filter actions are protected and should never be allowed to have a high priority 714 * intent filter for them. However, there is one, and only one exception -- the 715 * setup wizard. It must be able to define a high priority intent filter for these 716 * actions to ensure there are no escapes from the wizard. We need to delay processing 717 * of these during boot as we need to look at all of the system packages in order 718 * to know which component is the setup wizard. 719 */ 720 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 721 /** 722 * Whether or not processing protected filters should be deferred. 723 */ 724 private boolean mDeferProtectedFilters = true; 725 726 /** 727 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 728 */ 729 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 730 /** 731 * Whether or not system app permissions should be promoted from install to runtime. 732 */ 733 boolean mPromoteSystemApps; 734 735 @GuardedBy("mPackages") 736 final Settings mSettings; 737 738 /** 739 * Set of package names that are currently "frozen", which means active 740 * surgery is being done on the code/data for that package. The platform 741 * will refuse to launch frozen packages to avoid race conditions. 742 * 743 * @see PackageFreezer 744 */ 745 @GuardedBy("mPackages") 746 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 747 748 final ProtectedPackages mProtectedPackages; 749 750 @GuardedBy("mLoadedVolumes") 751 final ArraySet<String> mLoadedVolumes = new ArraySet<>(); 752 753 boolean mFirstBoot; 754 755 PackageManagerInternal.ExternalSourcesPolicy mExternalSourcesPolicy; 756 757 @GuardedBy("mAvailableFeatures") 758 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 759 760 private final InstantAppRegistry mInstantAppRegistry; 761 762 @GuardedBy("mPackages") 763 int mChangedPackagesSequenceNumber; 764 /** 765 * List of changed [installed, removed or updated] packages. 766 * mapping from user id -> sequence number -> package name 767 */ 768 @GuardedBy("mPackages") 769 final SparseArray<SparseArray<String>> mChangedPackages = new SparseArray<>(); 770 /** 771 * The sequence number of the last change to a package. 772 * mapping from user id -> package name -> sequence number 773 */ 774 @GuardedBy("mPackages") 775 final SparseArray<Map<String, Integer>> mChangedPackagesSequenceNumbers = new SparseArray<>(); 776 777 @GuardedBy("mPackages") 778 final private ArraySet<PackageListObserver> mPackageListObservers = new ArraySet<>(); 779 780 class PackageParserCallback implements PackageParser.Callback { 781 @Override public final boolean hasFeature(String feature) { 782 return PackageManagerService.this.hasSystemFeature(feature, 0); 783 } 784 785 final List<PackageParser.Package> getStaticOverlayPackages( 786 Collection<PackageParser.Package> allPackages, String targetPackageName) { 787 if ("android".equals(targetPackageName)) { 788 // Static RROs targeting to "android", ie framework-res.apk, are already applied by 789 // native AssetManager. 790 return null; 791 } 792 793 List<PackageParser.Package> overlayPackages = null; 794 for (PackageParser.Package p : allPackages) { 795 if (targetPackageName.equals(p.mOverlayTarget) && p.mOverlayIsStatic) { 796 if (overlayPackages == null) { 797 overlayPackages = new ArrayList<PackageParser.Package>(); 798 } 799 overlayPackages.add(p); 800 } 801 } 802 if (overlayPackages != null) { 803 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 804 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 805 return p1.mOverlayPriority - p2.mOverlayPriority; 806 } 807 }; 808 Collections.sort(overlayPackages, cmp); 809 } 810 return overlayPackages; 811 } 812 813 final String[] getStaticOverlayPaths(List<PackageParser.Package> overlayPackages, 814 String targetPath) { 815 if (overlayPackages == null || overlayPackages.isEmpty()) { 816 return null; 817 } 818 List<String> overlayPathList = null; 819 for (PackageParser.Package overlayPackage : overlayPackages) { 820 if (targetPath == null) { 821 if (overlayPathList == null) { 822 overlayPathList = new ArrayList<String>(); 823 } 824 overlayPathList.add(overlayPackage.baseCodePath); 825 continue; 826 } 827 828 try { 829 // Creates idmaps for system to parse correctly the Android manifest of the 830 // target package. 831 // 832 // OverlayManagerService will update each of them with a correct gid from its 833 // target package app id. 834 mInstaller.idmap(targetPath, overlayPackage.baseCodePath, 835 UserHandle.getSharedAppGid( 836 UserHandle.getUserGid(UserHandle.USER_SYSTEM))); 837 if (overlayPathList == null) { 838 overlayPathList = new ArrayList<String>(); 839 } 840 overlayPathList.add(overlayPackage.baseCodePath); 841 } catch (InstallerException e) { 842 Slog.e(TAG, "Failed to generate idmap for " + targetPath + " and " + 843 overlayPackage.baseCodePath); 844 } 845 } 846 return overlayPathList == null ? null : overlayPathList.toArray(new String[0]); 847 } 848 849 String[] getStaticOverlayPaths(String targetPackageName, String targetPath) { 850 List<PackageParser.Package> overlayPackages; 851 synchronized (mInstallLock) { 852 synchronized (mPackages) { 853 overlayPackages = getStaticOverlayPackages( 854 mPackages.values(), targetPackageName); 855 } 856 // It is safe to keep overlayPackages without holding mPackages because static overlay 857 // packages can't be uninstalled or disabled. 858 return getStaticOverlayPaths(overlayPackages, targetPath); 859 } 860 } 861 862 @Override public final String[] getOverlayApks(String targetPackageName) { 863 return getStaticOverlayPaths(targetPackageName, null); 864 } 865 866 @Override public final String[] getOverlayPaths(String targetPackageName, 867 String targetPath) { 868 return getStaticOverlayPaths(targetPackageName, targetPath); 869 } 870 } 871 872 class ParallelPackageParserCallback extends PackageParserCallback { 873 List<PackageParser.Package> mOverlayPackages = null; 874 875 void findStaticOverlayPackages() { 876 synchronized (mPackages) { 877 for (PackageParser.Package p : mPackages.values()) { 878 if (p.mOverlayIsStatic) { 879 if (mOverlayPackages == null) { 880 mOverlayPackages = new ArrayList<PackageParser.Package>(); 881 } 882 mOverlayPackages.add(p); 883 } 884 } 885 } 886 } 887 888 @Override 889 synchronized String[] getStaticOverlayPaths(String targetPackageName, String targetPath) { 890 // We can trust mOverlayPackages without holding mPackages because package uninstall 891 // can't happen while running parallel parsing. 892 // And we can call mInstaller inside getStaticOverlayPaths without holding mInstallLock 893 // because mInstallLock is held before running parallel parsing. 894 // Moreover holding mPackages or mInstallLock on each parsing thread causes dead-lock. 895 return mOverlayPackages == null ? null : 896 getStaticOverlayPaths( 897 getStaticOverlayPackages(mOverlayPackages, targetPackageName), 898 targetPath); 899 } 900 } 901 902 final PackageParser.Callback mPackageParserCallback = new PackageParserCallback(); 903 final ParallelPackageParserCallback mParallelPackageParserCallback = 904 new ParallelPackageParserCallback(); 905 906 public static final class SharedLibraryEntry { 907 public final @Nullable String path; 908 public final @Nullable String apk; 909 public final @NonNull SharedLibraryInfo info; 910 911 SharedLibraryEntry(String _path, String _apk, String name, long version, int type, 912 String declaringPackageName, long declaringPackageVersionCode) { 913 path = _path; 914 apk = _apk; 915 info = new SharedLibraryInfo(name, version, type, new VersionedPackage( 916 declaringPackageName, declaringPackageVersionCode), null); 917 } 918 } 919 920 // Currently known shared libraries. 921 final ArrayMap<String, LongSparseArray<SharedLibraryEntry>> mSharedLibraries = new ArrayMap<>(); 922 final ArrayMap<String, LongSparseArray<SharedLibraryEntry>> mStaticLibsByDeclaringPackage = 923 new ArrayMap<>(); 924 925 // All available activities, for your resolving pleasure. 926 final ActivityIntentResolver mActivities = 927 new ActivityIntentResolver(); 928 929 // All available receivers, for your resolving pleasure. 930 final ActivityIntentResolver mReceivers = 931 new ActivityIntentResolver(); 932 933 // All available services, for your resolving pleasure. 934 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 935 936 // All available providers, for your resolving pleasure. 937 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 938 939 // Mapping from provider base names (first directory in content URI codePath) 940 // to the provider information. 941 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 942 new ArrayMap<String, PackageParser.Provider>(); 943 944 // Mapping from instrumentation class names to info about them. 945 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 946 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 947 948 // Packages whose data we have transfered into another package, thus 949 // should no longer exist. 950 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 951 952 // Broadcast actions that are only available to the system. 953 @GuardedBy("mProtectedBroadcasts") 954 final ArraySet<String> mProtectedBroadcasts = new ArraySet<>(); 955 956 /** List of packages waiting for verification. */ 957 final SparseArray<PackageVerificationState> mPendingVerification 958 = new SparseArray<PackageVerificationState>(); 959 960 final PackageInstallerService mInstallerService; 961 962 final ArtManagerService mArtManagerService; 963 964 private final PackageDexOptimizer mPackageDexOptimizer; 965 // DexManager handles the usage of dex files (e.g. secondary files, whether or not a package 966 // is used by other apps). 967 private final DexManager mDexManager; 968 969 private AtomicInteger mNextMoveId = new AtomicInteger(); 970 private final MoveCallbacks mMoveCallbacks; 971 972 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 973 974 // Cache of users who need badging. 975 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 976 977 /** Token for keys in mPendingVerification. */ 978 private int mPendingVerificationToken = 0; 979 980 volatile boolean mSystemReady; 981 volatile boolean mSafeMode; 982 volatile boolean mHasSystemUidErrors; 983 private volatile boolean mWebInstantAppsDisabled; 984 985 ApplicationInfo mAndroidApplication; 986 final ActivityInfo mResolveActivity = new ActivityInfo(); 987 final ResolveInfo mResolveInfo = new ResolveInfo(); 988 ComponentName mResolveComponentName; 989 PackageParser.Package mPlatformPackage; 990 ComponentName mCustomResolverComponentName; 991 992 boolean mResolverReplaced = false; 993 994 private final @Nullable ComponentName mIntentFilterVerifierComponent; 995 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 996 997 private int mIntentFilterVerificationToken = 0; 998 999 /** The service connection to the ephemeral resolver */ 1000 final InstantAppResolverConnection mInstantAppResolverConnection; 1001 /** Component used to show resolver settings for Instant Apps */ 1002 final ComponentName mInstantAppResolverSettingsComponent; 1003 1004 /** Activity used to install instant applications */ 1005 ActivityInfo mInstantAppInstallerActivity; 1006 final ResolveInfo mInstantAppInstallerInfo = new ResolveInfo(); 1007 1008 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 1009 = new SparseArray<IntentFilterVerificationState>(); 1010 1011 // TODO remove this and go through mPermissonManager directly 1012 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy; 1013 private final PermissionManagerInternal mPermissionManager; 1014 1015 // List of packages names to keep cached, even if they are uninstalled for all users 1016 private List<String> mKeepUninstalledPackages; 1017 1018 private UserManagerInternal mUserManagerInternal; 1019 private ActivityManagerInternal mActivityManagerInternal; 1020 1021 private DeviceIdleController.LocalService mDeviceIdleController; 1022 1023 private File mCacheDir; 1024 1025 private Future<?> mPrepareAppDataFuture; 1026 1027 private static class IFVerificationParams { 1028 PackageParser.Package pkg; 1029 boolean replacing; 1030 int userId; 1031 int verifierUid; 1032 1033 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 1034 int _userId, int _verifierUid) { 1035 pkg = _pkg; 1036 replacing = _replacing; 1037 userId = _userId; 1038 replacing = _replacing; 1039 verifierUid = _verifierUid; 1040 } 1041 } 1042 1043 private interface IntentFilterVerifier<T extends IntentFilter> { 1044 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 1045 T filter, String packageName); 1046 void startVerifications(int userId); 1047 void receiveVerificationResponse(int verificationId); 1048 } 1049 1050 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 1051 private Context mContext; 1052 private ComponentName mIntentFilterVerifierComponent; 1053 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 1054 1055 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 1056 mContext = context; 1057 mIntentFilterVerifierComponent = verifierComponent; 1058 } 1059 1060 private String getDefaultScheme() { 1061 return IntentFilter.SCHEME_HTTPS; 1062 } 1063 1064 @Override 1065 public void startVerifications(int userId) { 1066 // Launch verifications requests 1067 int count = mCurrentIntentFilterVerifications.size(); 1068 for (int n=0; n<count; n++) { 1069 int verificationId = mCurrentIntentFilterVerifications.get(n); 1070 final IntentFilterVerificationState ivs = 1071 mIntentFilterVerificationStates.get(verificationId); 1072 1073 String packageName = ivs.getPackageName(); 1074 1075 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 1076 final int filterCount = filters.size(); 1077 ArraySet<String> domainsSet = new ArraySet<>(); 1078 for (int m=0; m<filterCount; m++) { 1079 PackageParser.ActivityIntentInfo filter = filters.get(m); 1080 domainsSet.addAll(filter.getHostsList()); 1081 } 1082 synchronized (mPackages) { 1083 if (mSettings.createIntentFilterVerificationIfNeededLPw( 1084 packageName, domainsSet) != null) { 1085 scheduleWriteSettingsLocked(); 1086 } 1087 } 1088 sendVerificationRequest(verificationId, ivs); 1089 } 1090 mCurrentIntentFilterVerifications.clear(); 1091 } 1092 1093 private void sendVerificationRequest(int verificationId, IntentFilterVerificationState ivs) { 1094 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 1095 verificationIntent.putExtra( 1096 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 1097 verificationId); 1098 verificationIntent.putExtra( 1099 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 1100 getDefaultScheme()); 1101 verificationIntent.putExtra( 1102 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 1103 ivs.getHostsString()); 1104 verificationIntent.putExtra( 1105 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 1106 ivs.getPackageName()); 1107 verificationIntent.setComponent(mIntentFilterVerifierComponent); 1108 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 1109 1110 DeviceIdleController.LocalService idleController = getDeviceIdleController(); 1111 idleController.addPowerSaveTempWhitelistApp(Process.myUid(), 1112 mIntentFilterVerifierComponent.getPackageName(), getVerificationTimeout(), 1113 UserHandle.USER_SYSTEM, true, "intent filter verifier"); 1114 1115 mContext.sendBroadcastAsUser(verificationIntent, UserHandle.SYSTEM); 1116 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1117 "Sending IntentFilter verification broadcast"); 1118 } 1119 1120 public void receiveVerificationResponse(int verificationId) { 1121 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 1122 1123 final boolean verified = ivs.isVerified(); 1124 1125 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 1126 final int count = filters.size(); 1127 if (DEBUG_DOMAIN_VERIFICATION) { 1128 Slog.i(TAG, "Received verification response " + verificationId 1129 + " for " + count + " filters, verified=" + verified); 1130 } 1131 for (int n=0; n<count; n++) { 1132 PackageParser.ActivityIntentInfo filter = filters.get(n); 1133 filter.setVerified(verified); 1134 1135 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 1136 + " verified with result:" + verified + " and hosts:" 1137 + ivs.getHostsString()); 1138 } 1139 1140 mIntentFilterVerificationStates.remove(verificationId); 1141 1142 final String packageName = ivs.getPackageName(); 1143 IntentFilterVerificationInfo ivi = null; 1144 1145 synchronized (mPackages) { 1146 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 1147 } 1148 if (ivi == null) { 1149 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 1150 + verificationId + " packageName:" + packageName); 1151 return; 1152 } 1153 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1154 "Updating IntentFilterVerificationInfo for package " + packageName 1155 +" verificationId:" + verificationId); 1156 1157 synchronized (mPackages) { 1158 if (verified) { 1159 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 1160 } else { 1161 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 1162 } 1163 scheduleWriteSettingsLocked(); 1164 1165 final int userId = ivs.getUserId(); 1166 if (userId != UserHandle.USER_ALL) { 1167 final int userStatus = 1168 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 1169 1170 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 1171 boolean needUpdate = false; 1172 1173 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 1174 // already been set by the User thru the Disambiguation dialog 1175 switch (userStatus) { 1176 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 1177 if (verified) { 1178 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 1179 } else { 1180 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 1181 } 1182 needUpdate = true; 1183 break; 1184 1185 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 1186 if (verified) { 1187 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 1188 needUpdate = true; 1189 } 1190 break; 1191 1192 default: 1193 // Nothing to do 1194 } 1195 1196 if (needUpdate) { 1197 mSettings.updateIntentFilterVerificationStatusLPw( 1198 packageName, updatedStatus, userId); 1199 scheduleWritePackageRestrictionsLocked(userId); 1200 } 1201 } 1202 } 1203 } 1204 1205 @Override 1206 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 1207 ActivityIntentInfo filter, String packageName) { 1208 if (!hasValidDomains(filter)) { 1209 return false; 1210 } 1211 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 1212 if (ivs == null) { 1213 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 1214 packageName); 1215 } 1216 if (DEBUG_DOMAIN_VERIFICATION) { 1217 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 1218 } 1219 ivs.addFilter(filter); 1220 return true; 1221 } 1222 1223 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 1224 int userId, int verificationId, String packageName) { 1225 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 1226 verifierUid, userId, packageName); 1227 ivs.setPendingState(); 1228 synchronized (mPackages) { 1229 mIntentFilterVerificationStates.append(verificationId, ivs); 1230 mCurrentIntentFilterVerifications.add(verificationId); 1231 } 1232 return ivs; 1233 } 1234 } 1235 1236 private static boolean hasValidDomains(ActivityIntentInfo filter) { 1237 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 1238 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 1239 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 1240 } 1241 1242 // Set of pending broadcasts for aggregating enable/disable of components. 1243 static class PendingPackageBroadcasts { 1244 // for each user id, a map of <package name -> components within that package> 1245 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 1246 1247 public PendingPackageBroadcasts() { 1248 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 1249 } 1250 1251 public ArrayList<String> get(int userId, String packageName) { 1252 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1253 return packages.get(packageName); 1254 } 1255 1256 public void put(int userId, String packageName, ArrayList<String> components) { 1257 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1258 packages.put(packageName, components); 1259 } 1260 1261 public void remove(int userId, String packageName) { 1262 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 1263 if (packages != null) { 1264 packages.remove(packageName); 1265 } 1266 } 1267 1268 public void remove(int userId) { 1269 mUidMap.remove(userId); 1270 } 1271 1272 public int userIdCount() { 1273 return mUidMap.size(); 1274 } 1275 1276 public int userIdAt(int n) { 1277 return mUidMap.keyAt(n); 1278 } 1279 1280 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1281 return mUidMap.get(userId); 1282 } 1283 1284 public int size() { 1285 // total number of pending broadcast entries across all userIds 1286 int num = 0; 1287 for (int i = 0; i< mUidMap.size(); i++) { 1288 num += mUidMap.valueAt(i).size(); 1289 } 1290 return num; 1291 } 1292 1293 public void clear() { 1294 mUidMap.clear(); 1295 } 1296 1297 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1298 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1299 if (map == null) { 1300 map = new ArrayMap<String, ArrayList<String>>(); 1301 mUidMap.put(userId, map); 1302 } 1303 return map; 1304 } 1305 } 1306 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1307 1308 // Service Connection to remote media container service to copy 1309 // package uri's from external media onto secure containers 1310 // or internal storage. 1311 private IMediaContainerService mContainerService = null; 1312 1313 static final int SEND_PENDING_BROADCAST = 1; 1314 static final int MCS_BOUND = 3; 1315 static final int END_COPY = 4; 1316 static final int INIT_COPY = 5; 1317 static final int MCS_UNBIND = 6; 1318 static final int START_CLEANING_PACKAGE = 7; 1319 static final int FIND_INSTALL_LOC = 8; 1320 static final int POST_INSTALL = 9; 1321 static final int MCS_RECONNECT = 10; 1322 static final int MCS_GIVE_UP = 11; 1323 static final int WRITE_SETTINGS = 13; 1324 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1325 static final int PACKAGE_VERIFIED = 15; 1326 static final int CHECK_PENDING_VERIFICATION = 16; 1327 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1328 static final int INTENT_FILTER_VERIFIED = 18; 1329 static final int WRITE_PACKAGE_LIST = 19; 1330 static final int INSTANT_APP_RESOLUTION_PHASE_TWO = 20; 1331 static final int DEF_CONTAINER_BIND = 21; 1332 1333 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1334 1335 // Delay time in millisecs 1336 static final int BROADCAST_DELAY = 10 * 1000; 1337 1338 private static final long DEFAULT_UNUSED_STATIC_SHARED_LIB_MIN_CACHE_PERIOD = 1339 2 * 60 * 60 * 1000L; /* two hours */ 1340 1341 static UserManagerService sUserManager; 1342 1343 // Stores a list of users whose package restrictions file needs to be updated 1344 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1345 1346 final private DefaultContainerConnection mDefContainerConn = 1347 new DefaultContainerConnection(); 1348 class DefaultContainerConnection implements ServiceConnection { 1349 public void onServiceConnected(ComponentName name, IBinder service) { 1350 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1351 final IMediaContainerService imcs = IMediaContainerService.Stub 1352 .asInterface(Binder.allowBlocking(service)); 1353 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1354 } 1355 1356 public void onServiceDisconnected(ComponentName name) { 1357 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1358 } 1359 } 1360 1361 // Recordkeeping of restore-after-install operations that are currently in flight 1362 // between the Package Manager and the Backup Manager 1363 static class PostInstallData { 1364 public InstallArgs args; 1365 public PackageInstalledInfo res; 1366 1367 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1368 args = _a; 1369 res = _r; 1370 } 1371 } 1372 1373 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1374 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1375 1376 // XML tags for backup/restore of various bits of state 1377 private static final String TAG_PREFERRED_BACKUP = "pa"; 1378 private static final String TAG_DEFAULT_APPS = "da"; 1379 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1380 1381 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1382 private static final String TAG_ALL_GRANTS = "rt-grants"; 1383 private static final String TAG_GRANT = "grant"; 1384 private static final String ATTR_PACKAGE_NAME = "pkg"; 1385 1386 private static final String TAG_PERMISSION = "perm"; 1387 private static final String ATTR_PERMISSION_NAME = "name"; 1388 private static final String ATTR_IS_GRANTED = "g"; 1389 private static final String ATTR_USER_SET = "set"; 1390 private static final String ATTR_USER_FIXED = "fixed"; 1391 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1392 1393 // System/policy permission grants are not backed up 1394 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1395 FLAG_PERMISSION_POLICY_FIXED 1396 | FLAG_PERMISSION_SYSTEM_FIXED 1397 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1398 1399 // And we back up these user-adjusted states 1400 private static final int USER_RUNTIME_GRANT_MASK = 1401 FLAG_PERMISSION_USER_SET 1402 | FLAG_PERMISSION_USER_FIXED 1403 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1404 1405 final @Nullable String mRequiredVerifierPackage; 1406 final @NonNull String mRequiredInstallerPackage; 1407 final @NonNull String mRequiredUninstallerPackage; 1408 final @Nullable String mSetupWizardPackage; 1409 final @Nullable String mStorageManagerPackage; 1410 final @Nullable String mSystemTextClassifierPackage; 1411 final @NonNull String mServicesSystemSharedLibraryPackageName; 1412 final @NonNull String mSharedSystemSharedLibraryPackageName; 1413 1414 private final PackageUsage mPackageUsage = new PackageUsage(); 1415 private final CompilerStats mCompilerStats = new CompilerStats(); 1416 1417 class PackageHandler extends Handler { 1418 private boolean mBound = false; 1419 final ArrayList<HandlerParams> mPendingInstalls = 1420 new ArrayList<HandlerParams>(); 1421 1422 private boolean connectToService() { 1423 if (DEBUG_INSTALL) Log.i(TAG, "Trying to bind to DefaultContainerService"); 1424 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1425 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1426 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1427 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1428 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1429 mBound = true; 1430 return true; 1431 } 1432 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1433 return false; 1434 } 1435 1436 private void disconnectService() { 1437 mContainerService = null; 1438 mBound = false; 1439 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1440 mContext.unbindService(mDefContainerConn); 1441 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1442 } 1443 1444 PackageHandler(Looper looper) { 1445 super(looper); 1446 } 1447 1448 public void handleMessage(Message msg) { 1449 try { 1450 doHandleMessage(msg); 1451 } finally { 1452 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1453 } 1454 } 1455 1456 void doHandleMessage(Message msg) { 1457 switch (msg.what) { 1458 case DEF_CONTAINER_BIND: 1459 if (!mBound) { 1460 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "earlyBindingMCS", 1461 System.identityHashCode(mHandler)); 1462 if (!connectToService()) { 1463 Slog.e(TAG, "Failed to bind to media container service"); 1464 } 1465 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "earlyBindingMCS", 1466 System.identityHashCode(mHandler)); 1467 } 1468 break; 1469 case INIT_COPY: { 1470 HandlerParams params = (HandlerParams) msg.obj; 1471 int idx = mPendingInstalls.size(); 1472 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1473 // If a bind was already initiated we dont really 1474 // need to do anything. The pending install 1475 // will be processed later on. 1476 if (!mBound) { 1477 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1478 System.identityHashCode(mHandler)); 1479 // If this is the only one pending we might 1480 // have to bind to the service again. 1481 if (!connectToService()) { 1482 Slog.e(TAG, "Failed to bind to media container service"); 1483 params.serviceError(); 1484 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1485 System.identityHashCode(mHandler)); 1486 if (params.traceMethod != null) { 1487 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1488 params.traceCookie); 1489 } 1490 return; 1491 } else { 1492 // Once we bind to the service, the first 1493 // pending request will be processed. 1494 mPendingInstalls.add(idx, params); 1495 } 1496 } else { 1497 mPendingInstalls.add(idx, params); 1498 // Already bound to the service. Just make 1499 // sure we trigger off processing the first request. 1500 if (idx == 0) { 1501 mHandler.sendEmptyMessage(MCS_BOUND); 1502 } 1503 } 1504 break; 1505 } 1506 case MCS_BOUND: { 1507 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1508 if (msg.obj != null) { 1509 mContainerService = (IMediaContainerService) msg.obj; 1510 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1511 System.identityHashCode(mHandler)); 1512 } 1513 if (mContainerService == null) { 1514 if (!mBound) { 1515 // Something seriously wrong since we are not bound and we are not 1516 // waiting for connection. Bail out. 1517 Slog.e(TAG, "Cannot bind to media container service"); 1518 for (HandlerParams params : mPendingInstalls) { 1519 // Indicate service bind error 1520 params.serviceError(); 1521 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1522 System.identityHashCode(params)); 1523 if (params.traceMethod != null) { 1524 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1525 params.traceMethod, params.traceCookie); 1526 } 1527 } 1528 mPendingInstalls.clear(); 1529 } else { 1530 Slog.w(TAG, "Waiting to connect to media container service"); 1531 } 1532 } else if (mPendingInstalls.size() > 0) { 1533 HandlerParams params = mPendingInstalls.get(0); 1534 if (params != null) { 1535 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1536 System.identityHashCode(params)); 1537 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1538 if (params.startCopy()) { 1539 // We are done... look for more work or to 1540 // go idle. 1541 if (DEBUG_SD_INSTALL) Log.i(TAG, 1542 "Checking for more work or unbind..."); 1543 // Delete pending install 1544 if (mPendingInstalls.size() > 0) { 1545 mPendingInstalls.remove(0); 1546 } 1547 if (mPendingInstalls.size() == 0) { 1548 if (mBound) { 1549 if (DEBUG_SD_INSTALL) Log.i(TAG, 1550 "Posting delayed MCS_UNBIND"); 1551 removeMessages(MCS_UNBIND); 1552 Message ubmsg = obtainMessage(MCS_UNBIND); 1553 // Unbind after a little delay, to avoid 1554 // continual thrashing. 1555 sendMessageDelayed(ubmsg, 10000); 1556 } 1557 } else { 1558 // There are more pending requests in queue. 1559 // Just post MCS_BOUND message to trigger processing 1560 // of next pending install. 1561 if (DEBUG_SD_INSTALL) Log.i(TAG, 1562 "Posting MCS_BOUND for next work"); 1563 mHandler.sendEmptyMessage(MCS_BOUND); 1564 } 1565 } 1566 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1567 } 1568 } else { 1569 // Should never happen ideally. 1570 Slog.w(TAG, "Empty queue"); 1571 } 1572 break; 1573 } 1574 case MCS_RECONNECT: { 1575 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1576 if (mPendingInstalls.size() > 0) { 1577 if (mBound) { 1578 disconnectService(); 1579 } 1580 if (!connectToService()) { 1581 Slog.e(TAG, "Failed to bind to media container service"); 1582 for (HandlerParams params : mPendingInstalls) { 1583 // Indicate service bind error 1584 params.serviceError(); 1585 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1586 System.identityHashCode(params)); 1587 } 1588 mPendingInstalls.clear(); 1589 } 1590 } 1591 break; 1592 } 1593 case MCS_UNBIND: { 1594 // If there is no actual work left, then time to unbind. 1595 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1596 1597 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1598 if (mBound) { 1599 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1600 1601 disconnectService(); 1602 } 1603 } else if (mPendingInstalls.size() > 0) { 1604 // There are more pending requests in queue. 1605 // Just post MCS_BOUND message to trigger processing 1606 // of next pending install. 1607 mHandler.sendEmptyMessage(MCS_BOUND); 1608 } 1609 1610 break; 1611 } 1612 case MCS_GIVE_UP: { 1613 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1614 HandlerParams params = mPendingInstalls.remove(0); 1615 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1616 System.identityHashCode(params)); 1617 break; 1618 } 1619 case SEND_PENDING_BROADCAST: { 1620 String packages[]; 1621 ArrayList<String> components[]; 1622 int size = 0; 1623 int uids[]; 1624 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1625 synchronized (mPackages) { 1626 if (mPendingBroadcasts == null) { 1627 return; 1628 } 1629 size = mPendingBroadcasts.size(); 1630 if (size <= 0) { 1631 // Nothing to be done. Just return 1632 return; 1633 } 1634 packages = new String[size]; 1635 components = new ArrayList[size]; 1636 uids = new int[size]; 1637 int i = 0; // filling out the above arrays 1638 1639 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1640 int packageUserId = mPendingBroadcasts.userIdAt(n); 1641 Iterator<Map.Entry<String, ArrayList<String>>> it 1642 = mPendingBroadcasts.packagesForUserId(packageUserId) 1643 .entrySet().iterator(); 1644 while (it.hasNext() && i < size) { 1645 Map.Entry<String, ArrayList<String>> ent = it.next(); 1646 packages[i] = ent.getKey(); 1647 components[i] = ent.getValue(); 1648 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1649 uids[i] = (ps != null) 1650 ? UserHandle.getUid(packageUserId, ps.appId) 1651 : -1; 1652 i++; 1653 } 1654 } 1655 size = i; 1656 mPendingBroadcasts.clear(); 1657 } 1658 // Send broadcasts 1659 for (int i = 0; i < size; i++) { 1660 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1661 } 1662 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1663 break; 1664 } 1665 case START_CLEANING_PACKAGE: { 1666 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1667 final String packageName = (String)msg.obj; 1668 final int userId = msg.arg1; 1669 final boolean andCode = msg.arg2 != 0; 1670 synchronized (mPackages) { 1671 if (userId == UserHandle.USER_ALL) { 1672 int[] users = sUserManager.getUserIds(); 1673 for (int user : users) { 1674 mSettings.addPackageToCleanLPw( 1675 new PackageCleanItem(user, packageName, andCode)); 1676 } 1677 } else { 1678 mSettings.addPackageToCleanLPw( 1679 new PackageCleanItem(userId, packageName, andCode)); 1680 } 1681 } 1682 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1683 startCleaningPackages(); 1684 } break; 1685 case POST_INSTALL: { 1686 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1687 1688 PostInstallData data = mRunningInstalls.get(msg.arg1); 1689 final boolean didRestore = (msg.arg2 != 0); 1690 mRunningInstalls.delete(msg.arg1); 1691 1692 if (data != null) { 1693 InstallArgs args = data.args; 1694 PackageInstalledInfo parentRes = data.res; 1695 1696 final boolean grantPermissions = (args.installFlags 1697 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1698 final boolean killApp = (args.installFlags 1699 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1700 final boolean virtualPreload = ((args.installFlags 1701 & PackageManager.INSTALL_VIRTUAL_PRELOAD) != 0); 1702 final String[] grantedPermissions = args.installGrantPermissions; 1703 1704 // Handle the parent package 1705 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1706 virtualPreload, grantedPermissions, didRestore, 1707 args.installerPackageName, args.observer); 1708 1709 // Handle the child packages 1710 final int childCount = (parentRes.addedChildPackages != null) 1711 ? parentRes.addedChildPackages.size() : 0; 1712 for (int i = 0; i < childCount; i++) { 1713 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1714 handlePackagePostInstall(childRes, grantPermissions, killApp, 1715 virtualPreload, grantedPermissions, false /*didRestore*/, 1716 args.installerPackageName, args.observer); 1717 } 1718 1719 // Log tracing if needed 1720 if (args.traceMethod != null) { 1721 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1722 args.traceCookie); 1723 } 1724 } else { 1725 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1726 } 1727 1728 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1729 } break; 1730 case WRITE_SETTINGS: { 1731 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1732 synchronized (mPackages) { 1733 removeMessages(WRITE_SETTINGS); 1734 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1735 mSettings.writeLPr(); 1736 mDirtyUsers.clear(); 1737 } 1738 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1739 } break; 1740 case WRITE_PACKAGE_RESTRICTIONS: { 1741 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1742 synchronized (mPackages) { 1743 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1744 for (int userId : mDirtyUsers) { 1745 mSettings.writePackageRestrictionsLPr(userId); 1746 } 1747 mDirtyUsers.clear(); 1748 } 1749 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1750 } break; 1751 case WRITE_PACKAGE_LIST: { 1752 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1753 synchronized (mPackages) { 1754 removeMessages(WRITE_PACKAGE_LIST); 1755 mSettings.writePackageListLPr(msg.arg1); 1756 } 1757 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1758 } break; 1759 case CHECK_PENDING_VERIFICATION: { 1760 final int verificationId = msg.arg1; 1761 final PackageVerificationState state = mPendingVerification.get(verificationId); 1762 1763 if ((state != null) && !state.timeoutExtended()) { 1764 final InstallArgs args = state.getInstallArgs(); 1765 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1766 1767 Slog.i(TAG, "Verification timed out for " + originUri); 1768 mPendingVerification.remove(verificationId); 1769 1770 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1771 1772 final UserHandle user = args.getUser(); 1773 if (getDefaultVerificationResponse(user) 1774 == PackageManager.VERIFICATION_ALLOW) { 1775 Slog.i(TAG, "Continuing with installation of " + originUri); 1776 state.setVerifierResponse(Binder.getCallingUid(), 1777 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1778 broadcastPackageVerified(verificationId, originUri, 1779 PackageManager.VERIFICATION_ALLOW, user); 1780 try { 1781 ret = args.copyApk(mContainerService, true); 1782 } catch (RemoteException e) { 1783 Slog.e(TAG, "Could not contact the ContainerService"); 1784 } 1785 } else { 1786 broadcastPackageVerified(verificationId, originUri, 1787 PackageManager.VERIFICATION_REJECT, user); 1788 } 1789 1790 Trace.asyncTraceEnd( 1791 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1792 1793 processPendingInstall(args, ret); 1794 mHandler.sendEmptyMessage(MCS_UNBIND); 1795 } 1796 break; 1797 } 1798 case PACKAGE_VERIFIED: { 1799 final int verificationId = msg.arg1; 1800 1801 final PackageVerificationState state = mPendingVerification.get(verificationId); 1802 if (state == null) { 1803 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1804 break; 1805 } 1806 1807 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1808 1809 state.setVerifierResponse(response.callerUid, response.code); 1810 1811 if (state.isVerificationComplete()) { 1812 mPendingVerification.remove(verificationId); 1813 1814 final InstallArgs args = state.getInstallArgs(); 1815 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1816 1817 int ret; 1818 if (state.isInstallAllowed()) { 1819 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1820 broadcastPackageVerified(verificationId, originUri, 1821 response.code, state.getInstallArgs().getUser()); 1822 try { 1823 ret = args.copyApk(mContainerService, true); 1824 } catch (RemoteException e) { 1825 Slog.e(TAG, "Could not contact the ContainerService"); 1826 } 1827 } else { 1828 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1829 } 1830 1831 Trace.asyncTraceEnd( 1832 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1833 1834 processPendingInstall(args, ret); 1835 mHandler.sendEmptyMessage(MCS_UNBIND); 1836 } 1837 1838 break; 1839 } 1840 case START_INTENT_FILTER_VERIFICATIONS: { 1841 IFVerificationParams params = (IFVerificationParams) msg.obj; 1842 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1843 params.replacing, params.pkg); 1844 break; 1845 } 1846 case INTENT_FILTER_VERIFIED: { 1847 final int verificationId = msg.arg1; 1848 1849 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1850 verificationId); 1851 if (state == null) { 1852 Slog.w(TAG, "Invalid IntentFilter verification token " 1853 + verificationId + " received"); 1854 break; 1855 } 1856 1857 final int userId = state.getUserId(); 1858 1859 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1860 "Processing IntentFilter verification with token:" 1861 + verificationId + " and userId:" + userId); 1862 1863 final IntentFilterVerificationResponse response = 1864 (IntentFilterVerificationResponse) msg.obj; 1865 1866 state.setVerifierResponse(response.callerUid, response.code); 1867 1868 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1869 "IntentFilter verification with token:" + verificationId 1870 + " and userId:" + userId 1871 + " is settings verifier response with response code:" 1872 + response.code); 1873 1874 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1875 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1876 + response.getFailedDomainsString()); 1877 } 1878 1879 if (state.isVerificationComplete()) { 1880 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1881 } else { 1882 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1883 "IntentFilter verification with token:" + verificationId 1884 + " was not said to be complete"); 1885 } 1886 1887 break; 1888 } 1889 case INSTANT_APP_RESOLUTION_PHASE_TWO: { 1890 InstantAppResolver.doInstantAppResolutionPhaseTwo(mContext, 1891 mInstantAppResolverConnection, 1892 (InstantAppRequest) msg.obj, 1893 mInstantAppInstallerActivity, 1894 mHandler); 1895 } 1896 } 1897 } 1898 } 1899 1900 private PermissionCallback mPermissionCallback = new PermissionCallback() { 1901 @Override 1902 public void onGidsChanged(int appId, int userId) { 1903 mHandler.post(new Runnable() { 1904 @Override 1905 public void run() { 1906 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 1907 } 1908 }); 1909 } 1910 @Override 1911 public void onPermissionGranted(int uid, int userId) { 1912 mOnPermissionChangeListeners.onPermissionsChanged(uid); 1913 1914 // Not critical; if this is lost, the application has to request again. 1915 synchronized (mPackages) { 1916 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 1917 } 1918 } 1919 @Override 1920 public void onInstallPermissionGranted() { 1921 synchronized (mPackages) { 1922 scheduleWriteSettingsLocked(); 1923 } 1924 } 1925 @Override 1926 public void onPermissionRevoked(int uid, int userId) { 1927 mOnPermissionChangeListeners.onPermissionsChanged(uid); 1928 1929 synchronized (mPackages) { 1930 // Critical; after this call the application should never have the permission 1931 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 1932 } 1933 1934 final int appId = UserHandle.getAppId(uid); 1935 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 1936 } 1937 @Override 1938 public void onInstallPermissionRevoked() { 1939 synchronized (mPackages) { 1940 scheduleWriteSettingsLocked(); 1941 } 1942 } 1943 @Override 1944 public void onPermissionUpdated(int[] updatedUserIds, boolean sync) { 1945 synchronized (mPackages) { 1946 for (int userId : updatedUserIds) { 1947 mSettings.writeRuntimePermissionsForUserLPr(userId, sync); 1948 } 1949 } 1950 } 1951 @Override 1952 public void onInstallPermissionUpdated() { 1953 synchronized (mPackages) { 1954 scheduleWriteSettingsLocked(); 1955 } 1956 } 1957 @Override 1958 public void onPermissionRemoved() { 1959 synchronized (mPackages) { 1960 mSettings.writeLPr(); 1961 } 1962 } 1963 }; 1964 1965 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1966 boolean killApp, boolean virtualPreload, String[] grantedPermissions, 1967 boolean launchedForRestore, String installerPackage, 1968 IPackageInstallObserver2 installObserver) { 1969 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1970 // Send the removed broadcasts 1971 if (res.removedInfo != null) { 1972 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1973 } 1974 1975 // Now that we successfully installed the package, grant runtime 1976 // permissions if requested before broadcasting the install. Also 1977 // for legacy apps in permission review mode we clear the permission 1978 // review flag which is used to emulate runtime permissions for 1979 // legacy apps. 1980 if (grantPermissions) { 1981 final int callingUid = Binder.getCallingUid(); 1982 mPermissionManager.grantRequestedRuntimePermissions( 1983 res.pkg, res.newUsers, grantedPermissions, callingUid, 1984 mPermissionCallback); 1985 } 1986 1987 final boolean update = res.removedInfo != null 1988 && res.removedInfo.removedPackage != null; 1989 final String installerPackageName = 1990 res.installerPackageName != null 1991 ? res.installerPackageName 1992 : res.removedInfo != null 1993 ? res.removedInfo.installerPackageName 1994 : null; 1995 1996 // If this is the first time we have child packages for a disabled privileged 1997 // app that had no children, we grant requested runtime permissions to the new 1998 // children if the parent on the system image had them already granted. 1999 if (res.pkg.parentPackage != null) { 2000 final int callingUid = Binder.getCallingUid(); 2001 mPermissionManager.grantRuntimePermissionsGrantedToDisabledPackage( 2002 res.pkg, callingUid, mPermissionCallback); 2003 } 2004 2005 synchronized (mPackages) { 2006 mInstantAppRegistry.onPackageInstalledLPw(res.pkg, res.newUsers); 2007 } 2008 2009 final String packageName = res.pkg.applicationInfo.packageName; 2010 2011 // Determine the set of users who are adding this package for 2012 // the first time vs. those who are seeing an update. 2013 int[] firstUserIds = EMPTY_INT_ARRAY; 2014 int[] firstInstantUserIds = EMPTY_INT_ARRAY; 2015 int[] updateUserIds = EMPTY_INT_ARRAY; 2016 int[] instantUserIds = EMPTY_INT_ARRAY; 2017 final boolean allNewUsers = res.origUsers == null || res.origUsers.length == 0; 2018 final PackageSetting ps = (PackageSetting) res.pkg.mExtras; 2019 for (int newUser : res.newUsers) { 2020 final boolean isInstantApp = ps.getInstantApp(newUser); 2021 if (allNewUsers) { 2022 if (isInstantApp) { 2023 firstInstantUserIds = ArrayUtils.appendInt(firstInstantUserIds, newUser); 2024 } else { 2025 firstUserIds = ArrayUtils.appendInt(firstUserIds, newUser); 2026 } 2027 continue; 2028 } 2029 boolean isNew = true; 2030 for (int origUser : res.origUsers) { 2031 if (origUser == newUser) { 2032 isNew = false; 2033 break; 2034 } 2035 } 2036 if (isNew) { 2037 if (isInstantApp) { 2038 firstInstantUserIds = ArrayUtils.appendInt(firstInstantUserIds, newUser); 2039 } else { 2040 firstUserIds = ArrayUtils.appendInt(firstUserIds, newUser); 2041 } 2042 } else { 2043 if (isInstantApp) { 2044 instantUserIds = ArrayUtils.appendInt(instantUserIds, newUser); 2045 } else { 2046 updateUserIds = ArrayUtils.appendInt(updateUserIds, newUser); 2047 } 2048 } 2049 } 2050 2051 // Send installed broadcasts if the package is not a static shared lib. 2052 if (res.pkg.staticSharedLibName == null) { 2053 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 2054 2055 // Send added for users that see the package for the first time 2056 // sendPackageAddedForNewUsers also deals with system apps 2057 int appId = UserHandle.getAppId(res.uid); 2058 boolean isSystem = res.pkg.applicationInfo.isSystemApp(); 2059 sendPackageAddedForNewUsers(packageName, isSystem || virtualPreload, 2060 virtualPreload /*startReceiver*/, appId, firstUserIds, firstInstantUserIds); 2061 2062 // Send added for users that don't see the package for the first time 2063 Bundle extras = new Bundle(1); 2064 extras.putInt(Intent.EXTRA_UID, res.uid); 2065 if (update) { 2066 extras.putBoolean(Intent.EXTRA_REPLACING, true); 2067 } 2068 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 2069 extras, 0 /*flags*/, 2070 null /*targetPackage*/, null /*finishedReceiver*/, 2071 updateUserIds, instantUserIds); 2072 if (installerPackageName != null) { 2073 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 2074 extras, 0 /*flags*/, 2075 installerPackageName, null /*finishedReceiver*/, 2076 updateUserIds, instantUserIds); 2077 } 2078 2079 // Send replaced for users that don't see the package for the first time 2080 if (update) { 2081 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 2082 packageName, extras, 0 /*flags*/, 2083 null /*targetPackage*/, null /*finishedReceiver*/, 2084 updateUserIds, instantUserIds); 2085 if (installerPackageName != null) { 2086 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 2087 extras, 0 /*flags*/, 2088 installerPackageName, null /*finishedReceiver*/, 2089 updateUserIds, instantUserIds); 2090 } 2091 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 2092 null /*package*/, null /*extras*/, 0 /*flags*/, 2093 packageName /*targetPackage*/, 2094 null /*finishedReceiver*/, updateUserIds, instantUserIds); 2095 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 2096 // First-install and we did a restore, so we're responsible for the 2097 // first-launch broadcast. 2098 if (DEBUG_BACKUP) { 2099 Slog.i(TAG, "Post-restore of " + packageName 2100 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUserIds)); 2101 } 2102 sendFirstLaunchBroadcast(packageName, installerPackage, 2103 firstUserIds, firstInstantUserIds); 2104 } 2105 2106 // Send broadcast package appeared if forward locked/external for all users 2107 // treat asec-hosted packages like removable media on upgrade 2108 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 2109 if (DEBUG_INSTALL) { 2110 Slog.i(TAG, "upgrading pkg " + res.pkg 2111 + " is ASEC-hosted -> AVAILABLE"); 2112 } 2113 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 2114 ArrayList<String> pkgList = new ArrayList<>(1); 2115 pkgList.add(packageName); 2116 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 2117 } 2118 } 2119 2120 // Work that needs to happen on first install within each user 2121 if (firstUserIds != null && firstUserIds.length > 0) { 2122 synchronized (mPackages) { 2123 for (int userId : firstUserIds) { 2124 // If this app is a browser and it's newly-installed for some 2125 // users, clear any default-browser state in those users. The 2126 // app's nature doesn't depend on the user, so we can just check 2127 // its browser nature in any user and generalize. 2128 if (packageIsBrowser(packageName, userId)) { 2129 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 2130 } 2131 2132 // We may also need to apply pending (restored) runtime 2133 // permission grants within these users. 2134 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 2135 } 2136 } 2137 } 2138 2139 if (allNewUsers && !update) { 2140 notifyPackageAdded(packageName); 2141 } 2142 2143 // Log current value of "unknown sources" setting 2144 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 2145 getUnknownSourcesSettings()); 2146 2147 // Remove the replaced package's older resources safely now 2148 // We delete after a gc for applications on sdcard. 2149 if (res.removedInfo != null && res.removedInfo.args != null) { 2150 Runtime.getRuntime().gc(); 2151 synchronized (mInstallLock) { 2152 res.removedInfo.args.doPostDeleteLI(true); 2153 } 2154 } else { 2155 // Force a gc to clear up things. Ask for a background one, it's fine to go on 2156 // and not block here. 2157 VMRuntime.getRuntime().requestConcurrentGC(); 2158 } 2159 2160 // Notify DexManager that the package was installed for new users. 2161 // The updated users should already be indexed and the package code paths 2162 // should not change. 2163 // Don't notify the manager for ephemeral apps as they are not expected to 2164 // survive long enough to benefit of background optimizations. 2165 for (int userId : firstUserIds) { 2166 PackageInfo info = getPackageInfo(packageName, /*flags*/ 0, userId); 2167 // There's a race currently where some install events may interleave with an uninstall. 2168 // This can lead to package info being null (b/36642664). 2169 if (info != null) { 2170 mDexManager.notifyPackageInstalled(info, userId); 2171 } 2172 } 2173 } 2174 2175 // If someone is watching installs - notify them 2176 if (installObserver != null) { 2177 try { 2178 Bundle extras = extrasForInstallResult(res); 2179 installObserver.onPackageInstalled(res.name, res.returnCode, 2180 res.returnMsg, extras); 2181 } catch (RemoteException e) { 2182 Slog.i(TAG, "Observer no longer exists."); 2183 } 2184 } 2185 } 2186 2187 private StorageEventListener mStorageListener = new StorageEventListener() { 2188 @Override 2189 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 2190 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 2191 if (vol.state == VolumeInfo.STATE_MOUNTED) { 2192 final String volumeUuid = vol.getFsUuid(); 2193 2194 // Clean up any users or apps that were removed or recreated 2195 // while this volume was missing 2196 sUserManager.reconcileUsers(volumeUuid); 2197 reconcileApps(volumeUuid); 2198 2199 // Clean up any install sessions that expired or were 2200 // cancelled while this volume was missing 2201 mInstallerService.onPrivateVolumeMounted(volumeUuid); 2202 2203 loadPrivatePackages(vol); 2204 2205 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2206 unloadPrivatePackages(vol); 2207 } 2208 } 2209 } 2210 2211 @Override 2212 public void onVolumeForgotten(String fsUuid) { 2213 if (TextUtils.isEmpty(fsUuid)) { 2214 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 2215 return; 2216 } 2217 2218 // Remove any apps installed on the forgotten volume 2219 synchronized (mPackages) { 2220 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 2221 for (PackageSetting ps : packages) { 2222 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 2223 deletePackageVersioned(new VersionedPackage(ps.name, 2224 PackageManager.VERSION_CODE_HIGHEST), 2225 new LegacyPackageDeleteObserver(null).getBinder(), 2226 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 2227 // Try very hard to release any references to this package 2228 // so we don't risk the system server being killed due to 2229 // open FDs 2230 AttributeCache.instance().removePackage(ps.name); 2231 } 2232 2233 mSettings.onVolumeForgotten(fsUuid); 2234 mSettings.writeLPr(); 2235 } 2236 } 2237 }; 2238 2239 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2240 Bundle extras = null; 2241 switch (res.returnCode) { 2242 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2243 extras = new Bundle(); 2244 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2245 res.origPermission); 2246 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2247 res.origPackage); 2248 break; 2249 } 2250 case PackageManager.INSTALL_SUCCEEDED: { 2251 extras = new Bundle(); 2252 extras.putBoolean(Intent.EXTRA_REPLACING, 2253 res.removedInfo != null && res.removedInfo.removedPackage != null); 2254 break; 2255 } 2256 } 2257 return extras; 2258 } 2259 2260 void scheduleWriteSettingsLocked() { 2261 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2262 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2263 } 2264 } 2265 2266 void scheduleWritePackageListLocked(int userId) { 2267 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 2268 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 2269 msg.arg1 = userId; 2270 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 2271 } 2272 } 2273 2274 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2275 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2276 scheduleWritePackageRestrictionsLocked(userId); 2277 } 2278 2279 void scheduleWritePackageRestrictionsLocked(int userId) { 2280 final int[] userIds = (userId == UserHandle.USER_ALL) 2281 ? sUserManager.getUserIds() : new int[]{userId}; 2282 for (int nextUserId : userIds) { 2283 if (!sUserManager.exists(nextUserId)) return; 2284 mDirtyUsers.add(nextUserId); 2285 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2286 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2287 } 2288 } 2289 } 2290 2291 public static PackageManagerService main(Context context, Installer installer, 2292 boolean factoryTest, boolean onlyCore) { 2293 // Self-check for initial settings. 2294 PackageManagerServiceCompilerMapping.checkProperties(); 2295 2296 PackageManagerService m = new PackageManagerService(context, installer, 2297 factoryTest, onlyCore); 2298 m.enableSystemUserPackages(); 2299 ServiceManager.addService("package", m); 2300 final PackageManagerNative pmn = m.new PackageManagerNative(); 2301 ServiceManager.addService("package_native", pmn); 2302 return m; 2303 } 2304 2305 private void enableSystemUserPackages() { 2306 if (!UserManager.isSplitSystemUser()) { 2307 return; 2308 } 2309 // For system user, enable apps based on the following conditions: 2310 // - app is whitelisted or belong to one of these groups: 2311 // -- system app which has no launcher icons 2312 // -- system app which has INTERACT_ACROSS_USERS permission 2313 // -- system IME app 2314 // - app is not in the blacklist 2315 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2316 Set<String> enableApps = new ArraySet<>(); 2317 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2318 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2319 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2320 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2321 enableApps.addAll(wlApps); 2322 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2323 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2324 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2325 enableApps.removeAll(blApps); 2326 Log.i(TAG, "Applications installed for system user: " + enableApps); 2327 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2328 UserHandle.SYSTEM); 2329 final int allAppsSize = allAps.size(); 2330 synchronized (mPackages) { 2331 for (int i = 0; i < allAppsSize; i++) { 2332 String pName = allAps.get(i); 2333 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2334 // Should not happen, but we shouldn't be failing if it does 2335 if (pkgSetting == null) { 2336 continue; 2337 } 2338 boolean install = enableApps.contains(pName); 2339 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2340 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2341 + " for system user"); 2342 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2343 } 2344 } 2345 scheduleWritePackageRestrictionsLocked(UserHandle.USER_SYSTEM); 2346 } 2347 } 2348 2349 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2350 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2351 Context.DISPLAY_SERVICE); 2352 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2353 } 2354 2355 /** 2356 * Requests that files preopted on a secondary system partition be copied to the data partition 2357 * if possible. Note that the actual copying of the files is accomplished by init for security 2358 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2359 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2360 */ 2361 private static void requestCopyPreoptedFiles() { 2362 final int WAIT_TIME_MS = 100; 2363 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2364 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2365 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2366 // We will wait for up to 100 seconds. 2367 final long timeStart = SystemClock.uptimeMillis(); 2368 final long timeEnd = timeStart + 100 * 1000; 2369 long timeNow = timeStart; 2370 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2371 try { 2372 Thread.sleep(WAIT_TIME_MS); 2373 } catch (InterruptedException e) { 2374 // Do nothing 2375 } 2376 timeNow = SystemClock.uptimeMillis(); 2377 if (timeNow > timeEnd) { 2378 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2379 Slog.wtf(TAG, "cppreopt did not finish!"); 2380 break; 2381 } 2382 } 2383 2384 Slog.i(TAG, "cppreopts took " + (timeNow - timeStart) + " ms"); 2385 } 2386 } 2387 2388 public PackageManagerService(Context context, Installer installer, 2389 boolean factoryTest, boolean onlyCore) { 2390 LockGuard.installLock(mPackages, LockGuard.INDEX_PACKAGES); 2391 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "create package manager"); 2392 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2393 SystemClock.uptimeMillis()); 2394 2395 if (mSdkVersion <= 0) { 2396 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2397 } 2398 2399 mContext = context; 2400 2401 mFactoryTest = factoryTest; 2402 mOnlyCore = onlyCore; 2403 mMetrics = new DisplayMetrics(); 2404 mInstaller = installer; 2405 2406 // Create sub-components that provide services / data. Order here is important. 2407 synchronized (mInstallLock) { 2408 synchronized (mPackages) { 2409 // Expose private service for system components to use. 2410 LocalServices.addService( 2411 PackageManagerInternal.class, new PackageManagerInternalImpl()); 2412 sUserManager = new UserManagerService(context, this, 2413 new UserDataPreparer(mInstaller, mInstallLock, mContext, mOnlyCore), mPackages); 2414 mPermissionManager = PermissionManagerService.create(context, 2415 new DefaultPermissionGrantedCallback() { 2416 @Override 2417 public void onDefaultRuntimePermissionsGranted(int userId) { 2418 synchronized(mPackages) { 2419 mSettings.onDefaultRuntimePermissionsGrantedLPr(userId); 2420 } 2421 } 2422 }, mPackages /*externalLock*/); 2423 mDefaultPermissionPolicy = mPermissionManager.getDefaultPermissionGrantPolicy(); 2424 mSettings = new Settings(mPermissionManager.getPermissionSettings(), mPackages); 2425 } 2426 } 2427 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2428 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2429 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2430 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2431 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2432 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2433 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2434 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2435 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2436 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2437 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2438 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2439 mSettings.addSharedUserLPw("android.uid.se", SE_UID, 2440 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2441 2442 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2443 if (separateProcesses != null && separateProcesses.length() > 0) { 2444 if ("*".equals(separateProcesses)) { 2445 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2446 mSeparateProcesses = null; 2447 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2448 } else { 2449 mDefParseFlags = 0; 2450 mSeparateProcesses = separateProcesses.split(","); 2451 Slog.w(TAG, "Running with debug.separate_processes: " 2452 + separateProcesses); 2453 } 2454 } else { 2455 mDefParseFlags = 0; 2456 mSeparateProcesses = null; 2457 } 2458 2459 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2460 "*dexopt*"); 2461 DexManager.Listener dexManagerListener = DexLogger.getListener(this, 2462 installer, mInstallLock); 2463 mDexManager = new DexManager(this, mPackageDexOptimizer, installer, mInstallLock, 2464 dexManagerListener); 2465 mArtManagerService = new ArtManagerService(mContext, this, installer, mInstallLock); 2466 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2467 2468 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2469 FgThread.get().getLooper()); 2470 2471 getDefaultDisplayMetrics(context, mMetrics); 2472 2473 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "get system config"); 2474 SystemConfig systemConfig = SystemConfig.getInstance(); 2475 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2476 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2477 2478 mProtectedPackages = new ProtectedPackages(mContext); 2479 2480 synchronized (mInstallLock) { 2481 // writer 2482 synchronized (mPackages) { 2483 mHandlerThread = new ServiceThread(TAG, 2484 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2485 mHandlerThread.start(); 2486 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2487 mProcessLoggingHandler = new ProcessLoggingHandler(); 2488 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2489 mInstantAppRegistry = new InstantAppRegistry(this); 2490 2491 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2492 final int builtInLibCount = libConfig.size(); 2493 for (int i = 0; i < builtInLibCount; i++) { 2494 String name = libConfig.keyAt(i); 2495 String path = libConfig.valueAt(i); 2496 addSharedLibraryLPw(path, null, name, SharedLibraryInfo.VERSION_UNDEFINED, 2497 SharedLibraryInfo.TYPE_BUILTIN, PLATFORM_PACKAGE_NAME, 0); 2498 } 2499 2500 SELinuxMMAC.readInstallPolicy(); 2501 2502 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "loadFallbacks"); 2503 FallbackCategoryProvider.loadFallbacks(); 2504 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2505 2506 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "read user settings"); 2507 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2508 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2509 2510 // Clean up orphaned packages for which the code path doesn't exist 2511 // and they are an update to a system app - caused by bug/32321269 2512 final int packageSettingCount = mSettings.mPackages.size(); 2513 for (int i = packageSettingCount - 1; i >= 0; i--) { 2514 PackageSetting ps = mSettings.mPackages.valueAt(i); 2515 if (!isExternal(ps) && (ps.codePath == null || !ps.codePath.exists()) 2516 && mSettings.getDisabledSystemPkgLPr(ps.name) != null) { 2517 mSettings.mPackages.removeAt(i); 2518 mSettings.enableSystemPackageLPw(ps.name); 2519 } 2520 } 2521 2522 if (mFirstBoot) { 2523 requestCopyPreoptedFiles(); 2524 } 2525 2526 String customResolverActivity = Resources.getSystem().getString( 2527 R.string.config_customResolverActivity); 2528 if (TextUtils.isEmpty(customResolverActivity)) { 2529 customResolverActivity = null; 2530 } else { 2531 mCustomResolverComponentName = ComponentName.unflattenFromString( 2532 customResolverActivity); 2533 } 2534 2535 long startTime = SystemClock.uptimeMillis(); 2536 2537 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2538 startTime); 2539 2540 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2541 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2542 2543 if (bootClassPath == null) { 2544 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2545 } 2546 2547 if (systemServerClassPath == null) { 2548 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2549 } 2550 2551 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2552 2553 final VersionInfo ver = mSettings.getInternalVersion(); 2554 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2555 if (mIsUpgrade) { 2556 logCriticalInfo(Log.INFO, 2557 "Upgrading from " + ver.fingerprint + " to " + Build.FINGERPRINT); 2558 } 2559 2560 // when upgrading from pre-M, promote system app permissions from install to runtime 2561 mPromoteSystemApps = 2562 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2563 2564 // When upgrading from pre-N, we need to handle package extraction like first boot, 2565 // as there is no profiling data available. 2566 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2567 2568 mIsPreNMR1Upgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N_MR1; 2569 2570 // save off the names of pre-existing system packages prior to scanning; we don't 2571 // want to automatically grant runtime permissions for new system apps 2572 if (mPromoteSystemApps) { 2573 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2574 while (pkgSettingIter.hasNext()) { 2575 PackageSetting ps = pkgSettingIter.next(); 2576 if (isSystemApp(ps)) { 2577 mExistingSystemPackages.add(ps.name); 2578 } 2579 } 2580 } 2581 2582 mCacheDir = preparePackageParserCache(mIsUpgrade); 2583 2584 // Set flag to monitor and not change apk file paths when 2585 // scanning install directories. 2586 int scanFlags = SCAN_BOOTING | SCAN_INITIAL; 2587 2588 if (mIsUpgrade || mFirstBoot) { 2589 scanFlags = scanFlags | SCAN_FIRST_BOOT_OR_UPGRADE; 2590 } 2591 2592 // Collect vendor/product overlay packages. (Do this before scanning any apps.) 2593 // For security and version matching reason, only consider 2594 // overlay packages if they reside in the right directory. 2595 scanDirTracedLI(new File(VENDOR_OVERLAY_DIR), 2596 mDefParseFlags 2597 | PackageParser.PARSE_IS_SYSTEM_DIR, 2598 scanFlags 2599 | SCAN_AS_SYSTEM 2600 | SCAN_AS_VENDOR, 2601 0); 2602 scanDirTracedLI(new File(PRODUCT_OVERLAY_DIR), 2603 mDefParseFlags 2604 | PackageParser.PARSE_IS_SYSTEM_DIR, 2605 scanFlags 2606 | SCAN_AS_SYSTEM 2607 | SCAN_AS_PRODUCT, 2608 0); 2609 2610 mParallelPackageParserCallback.findStaticOverlayPackages(); 2611 2612 // Find base frameworks (resource packages without code). 2613 scanDirTracedLI(frameworkDir, 2614 mDefParseFlags 2615 | PackageParser.PARSE_IS_SYSTEM_DIR, 2616 scanFlags 2617 | SCAN_NO_DEX 2618 | SCAN_AS_SYSTEM 2619 | SCAN_AS_PRIVILEGED, 2620 0); 2621 2622 // Collect privileged system packages. 2623 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2624 scanDirTracedLI(privilegedAppDir, 2625 mDefParseFlags 2626 | PackageParser.PARSE_IS_SYSTEM_DIR, 2627 scanFlags 2628 | SCAN_AS_SYSTEM 2629 | SCAN_AS_PRIVILEGED, 2630 0); 2631 2632 // Collect ordinary system packages. 2633 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2634 scanDirTracedLI(systemAppDir, 2635 mDefParseFlags 2636 | PackageParser.PARSE_IS_SYSTEM_DIR, 2637 scanFlags 2638 | SCAN_AS_SYSTEM, 2639 0); 2640 2641 // Collect privileged vendor packages. 2642 File privilegedVendorAppDir = new File(Environment.getVendorDirectory(), "priv-app"); 2643 try { 2644 privilegedVendorAppDir = privilegedVendorAppDir.getCanonicalFile(); 2645 } catch (IOException e) { 2646 // failed to look up canonical path, continue with original one 2647 } 2648 scanDirTracedLI(privilegedVendorAppDir, 2649 mDefParseFlags 2650 | PackageParser.PARSE_IS_SYSTEM_DIR, 2651 scanFlags 2652 | SCAN_AS_SYSTEM 2653 | SCAN_AS_VENDOR 2654 | SCAN_AS_PRIVILEGED, 2655 0); 2656 2657 // Collect ordinary vendor packages. 2658 File vendorAppDir = new File(Environment.getVendorDirectory(), "app"); 2659 try { 2660 vendorAppDir = vendorAppDir.getCanonicalFile(); 2661 } catch (IOException e) { 2662 // failed to look up canonical path, continue with original one 2663 } 2664 scanDirTracedLI(vendorAppDir, 2665 mDefParseFlags 2666 | PackageParser.PARSE_IS_SYSTEM_DIR, 2667 scanFlags 2668 | SCAN_AS_SYSTEM 2669 | SCAN_AS_VENDOR, 2670 0); 2671 2672 // Collect privileged odm packages. /odm is another vendor partition 2673 // other than /vendor. 2674 File privilegedOdmAppDir = new File(Environment.getOdmDirectory(), 2675 "priv-app"); 2676 try { 2677 privilegedOdmAppDir = privilegedOdmAppDir.getCanonicalFile(); 2678 } catch (IOException e) { 2679 // failed to look up canonical path, continue with original one 2680 } 2681 scanDirTracedLI(privilegedOdmAppDir, 2682 mDefParseFlags 2683 | PackageParser.PARSE_IS_SYSTEM_DIR, 2684 scanFlags 2685 | SCAN_AS_SYSTEM 2686 | SCAN_AS_VENDOR 2687 | SCAN_AS_PRIVILEGED, 2688 0); 2689 2690 // Collect ordinary odm packages. /odm is another vendor partition 2691 // other than /vendor. 2692 File odmAppDir = new File(Environment.getOdmDirectory(), "app"); 2693 try { 2694 odmAppDir = odmAppDir.getCanonicalFile(); 2695 } catch (IOException e) { 2696 // failed to look up canonical path, continue with original one 2697 } 2698 scanDirTracedLI(odmAppDir, 2699 mDefParseFlags 2700 | PackageParser.PARSE_IS_SYSTEM_DIR, 2701 scanFlags 2702 | SCAN_AS_SYSTEM 2703 | SCAN_AS_VENDOR, 2704 0); 2705 2706 // Collect all OEM packages. 2707 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2708 scanDirTracedLI(oemAppDir, 2709 mDefParseFlags 2710 | PackageParser.PARSE_IS_SYSTEM_DIR, 2711 scanFlags 2712 | SCAN_AS_SYSTEM 2713 | SCAN_AS_OEM, 2714 0); 2715 2716 // Collected privileged product packages. 2717 File privilegedProductAppDir = new File(Environment.getProductDirectory(), "priv-app"); 2718 try { 2719 privilegedProductAppDir = privilegedProductAppDir.getCanonicalFile(); 2720 } catch (IOException e) { 2721 // failed to look up canonical path, continue with original one 2722 } 2723 scanDirTracedLI(privilegedProductAppDir, 2724 mDefParseFlags 2725 | PackageParser.PARSE_IS_SYSTEM_DIR, 2726 scanFlags 2727 | SCAN_AS_SYSTEM 2728 | SCAN_AS_PRODUCT 2729 | SCAN_AS_PRIVILEGED, 2730 0); 2731 2732 // Collect ordinary product packages. 2733 File productAppDir = new File(Environment.getProductDirectory(), "app"); 2734 try { 2735 productAppDir = productAppDir.getCanonicalFile(); 2736 } catch (IOException e) { 2737 // failed to look up canonical path, continue with original one 2738 } 2739 scanDirTracedLI(productAppDir, 2740 mDefParseFlags 2741 | PackageParser.PARSE_IS_SYSTEM_DIR, 2742 scanFlags 2743 | SCAN_AS_SYSTEM 2744 | SCAN_AS_PRODUCT, 2745 0); 2746 2747 // Prune any system packages that no longer exist. 2748 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<>(); 2749 // Stub packages must either be replaced with full versions in the /data 2750 // partition or be disabled. 2751 final List<String> stubSystemApps = new ArrayList<>(); 2752 if (!mOnlyCore) { 2753 // do this first before mucking with mPackages for the "expecting better" case 2754 final Iterator<PackageParser.Package> pkgIterator = mPackages.values().iterator(); 2755 while (pkgIterator.hasNext()) { 2756 final PackageParser.Package pkg = pkgIterator.next(); 2757 if (pkg.isStub) { 2758 stubSystemApps.add(pkg.packageName); 2759 } 2760 } 2761 2762 final Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2763 while (psit.hasNext()) { 2764 PackageSetting ps = psit.next(); 2765 2766 /* 2767 * If this is not a system app, it can't be a 2768 * disable system app. 2769 */ 2770 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2771 continue; 2772 } 2773 2774 /* 2775 * If the package is scanned, it's not erased. 2776 */ 2777 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2778 if (scannedPkg != null) { 2779 /* 2780 * If the system app is both scanned and in the 2781 * disabled packages list, then it must have been 2782 * added via OTA. Remove it from the currently 2783 * scanned package so the previously user-installed 2784 * application can be scanned. 2785 */ 2786 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2787 logCriticalInfo(Log.WARN, 2788 "Expecting better updated system app for " + ps.name 2789 + "; removing system app. Last known" 2790 + " codePath=" + ps.codePathString 2791 + ", versionCode=" + ps.versionCode 2792 + "; scanned versionCode=" + scannedPkg.getLongVersionCode()); 2793 removePackageLI(scannedPkg, true); 2794 mExpectingBetter.put(ps.name, ps.codePath); 2795 } 2796 2797 continue; 2798 } 2799 2800 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2801 psit.remove(); 2802 logCriticalInfo(Log.WARN, "System package " + ps.name 2803 + " no longer exists; it's data will be wiped"); 2804 // Actual deletion of code and data will be handled by later 2805 // reconciliation step 2806 } else { 2807 // we still have a disabled system package, but, it still might have 2808 // been removed. check the code path still exists and check there's 2809 // still a package. the latter can happen if an OTA keeps the same 2810 // code path, but, changes the package name. 2811 final PackageSetting disabledPs = 2812 mSettings.getDisabledSystemPkgLPr(ps.name); 2813 if (disabledPs.codePath == null || !disabledPs.codePath.exists() 2814 || disabledPs.pkg == null) { 2815 possiblyDeletedUpdatedSystemApps.add(ps.name); 2816 } 2817 } 2818 } 2819 } 2820 2821 //delete tmp files 2822 deleteTempPackageFiles(); 2823 2824 final int cachedSystemApps = PackageParser.sCachedPackageReadCount.get(); 2825 2826 // Remove any shared userIDs that have no associated packages 2827 mSettings.pruneSharedUsersLPw(); 2828 final long systemScanTime = SystemClock.uptimeMillis() - startTime; 2829 final int systemPackagesCount = mPackages.size(); 2830 Slog.i(TAG, "Finished scanning system apps. Time: " + systemScanTime 2831 + " ms, packageCount: " + systemPackagesCount 2832 + " , timePerPackage: " 2833 + (systemPackagesCount == 0 ? 0 : systemScanTime / systemPackagesCount) 2834 + " , cached: " + cachedSystemApps); 2835 if (mIsUpgrade && systemPackagesCount > 0) { 2836 MetricsLogger.histogram(null, "ota_package_manager_system_app_avg_scan_time", 2837 ((int) systemScanTime) / systemPackagesCount); 2838 } 2839 if (!mOnlyCore) { 2840 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2841 SystemClock.uptimeMillis()); 2842 scanDirTracedLI(sAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2843 2844 scanDirTracedLI(sDrmAppPrivateInstallDir, mDefParseFlags 2845 | PackageParser.PARSE_FORWARD_LOCK, 2846 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2847 2848 // Remove disable package settings for updated system apps that were 2849 // removed via an OTA. If the update is no longer present, remove the 2850 // app completely. Otherwise, revoke their system privileges. 2851 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2852 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2853 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2854 final String msg; 2855 if (deletedPkg == null) { 2856 // should have found an update, but, we didn't; remove everything 2857 msg = "Updated system package " + deletedAppName 2858 + " no longer exists; removing its data"; 2859 // Actual deletion of code and data will be handled by later 2860 // reconciliation step 2861 } else { 2862 // found an update; revoke system privileges 2863 msg = "Updated system package + " + deletedAppName 2864 + " no longer exists; revoking system privileges"; 2865 2866 // Don't do anything if a stub is removed from the system image. If 2867 // we were to remove the uncompressed version from the /data partition, 2868 // this is where it'd be done. 2869 2870 final PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2871 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2872 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2873 } 2874 logCriticalInfo(Log.WARN, msg); 2875 } 2876 2877 /* 2878 * Make sure all system apps that we expected to appear on 2879 * the userdata partition actually showed up. If they never 2880 * appeared, crawl back and revive the system version. 2881 */ 2882 for (int i = 0; i < mExpectingBetter.size(); i++) { 2883 final String packageName = mExpectingBetter.keyAt(i); 2884 if (!mPackages.containsKey(packageName)) { 2885 final File scanFile = mExpectingBetter.valueAt(i); 2886 2887 logCriticalInfo(Log.WARN, "Expected better " + packageName 2888 + " but never showed up; reverting to system"); 2889 2890 final @ParseFlags int reparseFlags; 2891 final @ScanFlags int rescanFlags; 2892 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2893 reparseFlags = 2894 mDefParseFlags | 2895 PackageParser.PARSE_IS_SYSTEM_DIR; 2896 rescanFlags = 2897 scanFlags 2898 | SCAN_AS_SYSTEM 2899 | SCAN_AS_PRIVILEGED; 2900 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2901 reparseFlags = 2902 mDefParseFlags | 2903 PackageParser.PARSE_IS_SYSTEM_DIR; 2904 rescanFlags = 2905 scanFlags 2906 | SCAN_AS_SYSTEM; 2907 } else if (FileUtils.contains(privilegedVendorAppDir, scanFile) 2908 || FileUtils.contains(privilegedOdmAppDir, scanFile)) { 2909 reparseFlags = 2910 mDefParseFlags | 2911 PackageParser.PARSE_IS_SYSTEM_DIR; 2912 rescanFlags = 2913 scanFlags 2914 | SCAN_AS_SYSTEM 2915 | SCAN_AS_VENDOR 2916 | SCAN_AS_PRIVILEGED; 2917 } else if (FileUtils.contains(vendorAppDir, scanFile) 2918 || FileUtils.contains(odmAppDir, scanFile)) { 2919 reparseFlags = 2920 mDefParseFlags | 2921 PackageParser.PARSE_IS_SYSTEM_DIR; 2922 rescanFlags = 2923 scanFlags 2924 | SCAN_AS_SYSTEM 2925 | SCAN_AS_VENDOR; 2926 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2927 reparseFlags = 2928 mDefParseFlags | 2929 PackageParser.PARSE_IS_SYSTEM_DIR; 2930 rescanFlags = 2931 scanFlags 2932 | SCAN_AS_SYSTEM 2933 | SCAN_AS_OEM; 2934 } else if (FileUtils.contains(privilegedProductAppDir, scanFile)) { 2935 reparseFlags = 2936 mDefParseFlags | 2937 PackageParser.PARSE_IS_SYSTEM_DIR; 2938 rescanFlags = 2939 scanFlags 2940 | SCAN_AS_SYSTEM 2941 | SCAN_AS_PRODUCT 2942 | SCAN_AS_PRIVILEGED; 2943 } else if (FileUtils.contains(productAppDir, scanFile)) { 2944 reparseFlags = 2945 mDefParseFlags | 2946 PackageParser.PARSE_IS_SYSTEM_DIR; 2947 rescanFlags = 2948 scanFlags 2949 | SCAN_AS_SYSTEM 2950 | SCAN_AS_PRODUCT; 2951 } else { 2952 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2953 continue; 2954 } 2955 2956 mSettings.enableSystemPackageLPw(packageName); 2957 2958 try { 2959 scanPackageTracedLI(scanFile, reparseFlags, rescanFlags, 0, null); 2960 } catch (PackageManagerException e) { 2961 Slog.e(TAG, "Failed to parse original system package: " 2962 + e.getMessage()); 2963 } 2964 } 2965 } 2966 2967 // Uncompress and install any stubbed system applications. 2968 // This must be done last to ensure all stubs are replaced or disabled. 2969 decompressSystemApplications(stubSystemApps, scanFlags); 2970 2971 final int cachedNonSystemApps = PackageParser.sCachedPackageReadCount.get() 2972 - cachedSystemApps; 2973 2974 final long dataScanTime = SystemClock.uptimeMillis() - systemScanTime - startTime; 2975 final int dataPackagesCount = mPackages.size() - systemPackagesCount; 2976 Slog.i(TAG, "Finished scanning non-system apps. Time: " + dataScanTime 2977 + " ms, packageCount: " + dataPackagesCount 2978 + " , timePerPackage: " 2979 + (dataPackagesCount == 0 ? 0 : dataScanTime / dataPackagesCount) 2980 + " , cached: " + cachedNonSystemApps); 2981 if (mIsUpgrade && dataPackagesCount > 0) { 2982 MetricsLogger.histogram(null, "ota_package_manager_data_app_avg_scan_time", 2983 ((int) dataScanTime) / dataPackagesCount); 2984 } 2985 } 2986 mExpectingBetter.clear(); 2987 2988 // Resolve the storage manager. 2989 mStorageManagerPackage = getStorageManagerPackageName(); 2990 2991 // Resolve protected action filters. Only the setup wizard is allowed to 2992 // have a high priority filter for these actions. 2993 mSetupWizardPackage = getSetupWizardPackageName(); 2994 if (mProtectedFilters.size() > 0) { 2995 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2996 Slog.i(TAG, "No setup wizard;" 2997 + " All protected intents capped to priority 0"); 2998 } 2999 for (ActivityIntentInfo filter : mProtectedFilters) { 3000 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 3001 if (DEBUG_FILTERS) { 3002 Slog.i(TAG, "Found setup wizard;" 3003 + " allow priority " + filter.getPriority() + ";" 3004 + " package: " + filter.activity.info.packageName 3005 + " activity: " + filter.activity.className 3006 + " priority: " + filter.getPriority()); 3007 } 3008 // skip setup wizard; allow it to keep the high priority filter 3009 continue; 3010 } 3011 if (DEBUG_FILTERS) { 3012 Slog.i(TAG, "Protected action; cap priority to 0;" 3013 + " package: " + filter.activity.info.packageName 3014 + " activity: " + filter.activity.className 3015 + " origPrio: " + filter.getPriority()); 3016 } 3017 filter.setPriority(0); 3018 } 3019 } 3020 3021 mSystemTextClassifierPackage = getSystemTextClassifierPackageName(); 3022 3023 mDeferProtectedFilters = false; 3024 mProtectedFilters.clear(); 3025 3026 // Now that we know all of the shared libraries, update all clients to have 3027 // the correct library paths. 3028 updateAllSharedLibrariesLPw(null); 3029 3030 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 3031 // NOTE: We ignore potential failures here during a system scan (like 3032 // the rest of the commands above) because there's precious little we 3033 // can do about it. A settings error is reported, though. 3034 final List<String> changedAbiCodePath = 3035 adjustCpuAbisForSharedUserLPw(setting.packages, null /*scannedPackage*/); 3036 if (changedAbiCodePath != null && changedAbiCodePath.size() > 0) { 3037 for (int i = changedAbiCodePath.size() - 1; i >= 0; --i) { 3038 final String codePathString = changedAbiCodePath.get(i); 3039 try { 3040 mInstaller.rmdex(codePathString, 3041 getDexCodeInstructionSet(getPreferredInstructionSet())); 3042 } catch (InstallerException ignored) { 3043 } 3044 } 3045 } 3046 // Adjust seInfo to ensure apps which share a sharedUserId are placed in the same 3047 // SELinux domain. 3048 setting.fixSeInfoLocked(); 3049 } 3050 3051 // Now that we know all the packages we are keeping, 3052 // read and update their last usage times. 3053 mPackageUsage.read(mPackages); 3054 mCompilerStats.read(); 3055 3056 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 3057 SystemClock.uptimeMillis()); 3058 Slog.i(TAG, "Time to scan packages: " 3059 + ((SystemClock.uptimeMillis()-startTime)/1000f) 3060 + " seconds"); 3061 3062 // If the platform SDK has changed since the last time we booted, 3063 // we need to re-grant app permission to catch any new ones that 3064 // appear. This is really a hack, and means that apps can in some 3065 // cases get permissions that the user didn't initially explicitly 3066 // allow... it would be nice to have some better way to handle 3067 // this situation. 3068 final boolean sdkUpdated = (ver.sdkVersion != mSdkVersion); 3069 if (sdkUpdated) { 3070 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 3071 + mSdkVersion + "; regranting permissions for internal storage"); 3072 } 3073 mPermissionManager.updateAllPermissions( 3074 StorageManager.UUID_PRIVATE_INTERNAL, sdkUpdated, mPackages.values(), 3075 mPermissionCallback); 3076 ver.sdkVersion = mSdkVersion; 3077 3078 // If this is the first boot or an update from pre-M, and it is a normal 3079 // boot, then we need to initialize the default preferred apps across 3080 // all defined users. 3081 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 3082 for (UserInfo user : sUserManager.getUsers(true)) { 3083 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 3084 applyFactoryDefaultBrowserLPw(user.id); 3085 primeDomainVerificationsLPw(user.id); 3086 } 3087 } 3088 3089 // Prepare storage for system user really early during boot, 3090 // since core system apps like SettingsProvider and SystemUI 3091 // can't wait for user to start 3092 final int storageFlags; 3093 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 3094 storageFlags = StorageManager.FLAG_STORAGE_DE; 3095 } else { 3096 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 3097 } 3098 List<String> deferPackages = reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, 3099 UserHandle.USER_SYSTEM, storageFlags, true /* migrateAppData */, 3100 true /* onlyCoreApps */); 3101 mPrepareAppDataFuture = SystemServerInitThreadPool.get().submit(() -> { 3102 TimingsTraceLog traceLog = new TimingsTraceLog("SystemServerTimingAsync", 3103 Trace.TRACE_TAG_PACKAGE_MANAGER); 3104 traceLog.traceBegin("AppDataFixup"); 3105 try { 3106 mInstaller.fixupAppData(StorageManager.UUID_PRIVATE_INTERNAL, 3107 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 3108 } catch (InstallerException e) { 3109 Slog.w(TAG, "Trouble fixing GIDs", e); 3110 } 3111 traceLog.traceEnd(); 3112 3113 traceLog.traceBegin("AppDataPrepare"); 3114 if (deferPackages == null || deferPackages.isEmpty()) { 3115 return; 3116 } 3117 int count = 0; 3118 for (String pkgName : deferPackages) { 3119 PackageParser.Package pkg = null; 3120 synchronized (mPackages) { 3121 PackageSetting ps = mSettings.getPackageLPr(pkgName); 3122 if (ps != null && ps.getInstalled(UserHandle.USER_SYSTEM)) { 3123 pkg = ps.pkg; 3124 } 3125 } 3126 if (pkg != null) { 3127 synchronized (mInstallLock) { 3128 prepareAppDataAndMigrateLIF(pkg, UserHandle.USER_SYSTEM, storageFlags, 3129 true /* maybeMigrateAppData */); 3130 } 3131 count++; 3132 } 3133 } 3134 traceLog.traceEnd(); 3135 Slog.i(TAG, "Deferred reconcileAppsData finished " + count + " packages"); 3136 }, "prepareAppData"); 3137 3138 // If this is first boot after an OTA, and a normal boot, then 3139 // we need to clear code cache directories. 3140 // Note that we do *not* clear the application profiles. These remain valid 3141 // across OTAs and are used to drive profile verification (post OTA) and 3142 // profile compilation (without waiting to collect a fresh set of profiles). 3143 if (mIsUpgrade && !onlyCore) { 3144 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 3145 for (int i = 0; i < mSettings.mPackages.size(); i++) { 3146 final PackageSetting ps = mSettings.mPackages.valueAt(i); 3147 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 3148 // No apps are running this early, so no need to freeze 3149 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 3150 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 3151 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 3152 } 3153 } 3154 ver.fingerprint = Build.FINGERPRINT; 3155 } 3156 3157 checkDefaultBrowser(); 3158 3159 // clear only after permissions and other defaults have been updated 3160 mExistingSystemPackages.clear(); 3161 mPromoteSystemApps = false; 3162 3163 // All the changes are done during package scanning. 3164 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 3165 3166 // can downgrade to reader 3167 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "write settings"); 3168 mSettings.writeLPr(); 3169 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 3170 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 3171 SystemClock.uptimeMillis()); 3172 3173 if (!mOnlyCore) { 3174 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 3175 mRequiredInstallerPackage = getRequiredInstallerLPr(); 3176 mRequiredUninstallerPackage = getRequiredUninstallerLPr(); 3177 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 3178 if (mIntentFilterVerifierComponent != null) { 3179 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 3180 mIntentFilterVerifierComponent); 3181 } else { 3182 mIntentFilterVerifier = null; 3183 } 3184 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 3185 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES, 3186 SharedLibraryInfo.VERSION_UNDEFINED); 3187 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 3188 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED, 3189 SharedLibraryInfo.VERSION_UNDEFINED); 3190 } else { 3191 mRequiredVerifierPackage = null; 3192 mRequiredInstallerPackage = null; 3193 mRequiredUninstallerPackage = null; 3194 mIntentFilterVerifierComponent = null; 3195 mIntentFilterVerifier = null; 3196 mServicesSystemSharedLibraryPackageName = null; 3197 mSharedSystemSharedLibraryPackageName = null; 3198 } 3199 3200 mInstallerService = new PackageInstallerService(context, this); 3201 final Pair<ComponentName, String> instantAppResolverComponent = 3202 getInstantAppResolverLPr(); 3203 if (instantAppResolverComponent != null) { 3204 if (DEBUG_INSTANT) { 3205 Slog.d(TAG, "Set ephemeral resolver: " + instantAppResolverComponent); 3206 } 3207 mInstantAppResolverConnection = new InstantAppResolverConnection( 3208 mContext, instantAppResolverComponent.first, 3209 instantAppResolverComponent.second); 3210 mInstantAppResolverSettingsComponent = 3211 getInstantAppResolverSettingsLPr(instantAppResolverComponent.first); 3212 } else { 3213 mInstantAppResolverConnection = null; 3214 mInstantAppResolverSettingsComponent = null; 3215 } 3216 updateInstantAppInstallerLocked(null); 3217 3218 // Read and update the usage of dex files. 3219 // Do this at the end of PM init so that all the packages have their 3220 // data directory reconciled. 3221 // At this point we know the code paths of the packages, so we can validate 3222 // the disk file and build the internal cache. 3223 // The usage file is expected to be small so loading and verifying it 3224 // should take a fairly small time compare to the other activities (e.g. package 3225 // scanning). 3226 final Map<Integer, List<PackageInfo>> userPackages = new HashMap<>(); 3227 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 3228 for (int userId : currentUserIds) { 3229 userPackages.put(userId, getInstalledPackages(/*flags*/ 0, userId).getList()); 3230 } 3231 mDexManager.load(userPackages); 3232 if (mIsUpgrade) { 3233 MetricsLogger.histogram(null, "ota_package_manager_init_time", 3234 (int) (SystemClock.uptimeMillis() - startTime)); 3235 } 3236 } // synchronized (mPackages) 3237 } // synchronized (mInstallLock) 3238 3239 // Now after opening every single application zip, make sure they 3240 // are all flushed. Not really needed, but keeps things nice and 3241 // tidy. 3242 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "GC"); 3243 Runtime.getRuntime().gc(); 3244 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 3245 3246 // The initial scanning above does many calls into installd while 3247 // holding the mPackages lock, but we're mostly interested in yelling 3248 // once we have a booted system. 3249 mInstaller.setWarnIfHeld(mPackages); 3250 3251 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 3252 } 3253 3254 /** 3255 * Uncompress and install stub applications. 3256 * <p>In order to save space on the system partition, some applications are shipped in a 3257 * compressed form. In addition the compressed bits for the full application, the 3258 * system image contains a tiny stub comprised of only the Android manifest. 3259 * <p>During the first boot, attempt to uncompress and install the full application. If 3260 * the application can't be installed for any reason, disable the stub and prevent 3261 * uncompressing the full application during future boots. 3262 * <p>In order to forcefully attempt an installation of a full application, go to app 3263 * settings and enable the application. 3264 */ 3265 private void decompressSystemApplications(@NonNull List<String> stubSystemApps, int scanFlags) { 3266 for (int i = stubSystemApps.size() - 1; i >= 0; --i) { 3267 final String pkgName = stubSystemApps.get(i); 3268 // skip if the system package is already disabled 3269 if (mSettings.isDisabledSystemPackageLPr(pkgName)) { 3270 stubSystemApps.remove(i); 3271 continue; 3272 } 3273 // skip if the package isn't installed (?!); this should never happen 3274 final PackageParser.Package pkg = mPackages.get(pkgName); 3275 if (pkg == null) { 3276 stubSystemApps.remove(i); 3277 continue; 3278 } 3279 // skip if the package has been disabled by the user 3280 final PackageSetting ps = mSettings.mPackages.get(pkgName); 3281 if (ps != null) { 3282 final int enabledState = ps.getEnabled(UserHandle.USER_SYSTEM); 3283 if (enabledState == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER) { 3284 stubSystemApps.remove(i); 3285 continue; 3286 } 3287 } 3288 3289 if (DEBUG_COMPRESSION) { 3290 Slog.i(TAG, "Uncompressing system stub; pkg: " + pkgName); 3291 } 3292 3293 // uncompress the binary to its eventual destination on /data 3294 final File scanFile = decompressPackage(pkg); 3295 if (scanFile == null) { 3296 continue; 3297 } 3298 3299 // install the package to replace the stub on /system 3300 try { 3301 mSettings.disableSystemPackageLPw(pkgName, true /*replaced*/); 3302 removePackageLI(pkg, true /*chatty*/); 3303 scanPackageTracedLI(scanFile, 0 /*reparseFlags*/, scanFlags, 0, null); 3304 ps.setEnabled(PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 3305 UserHandle.USER_SYSTEM, "android"); 3306 stubSystemApps.remove(i); 3307 continue; 3308 } catch (PackageManagerException e) { 3309 Slog.e(TAG, "Failed to parse uncompressed system package: " + e.getMessage()); 3310 } 3311 3312 // any failed attempt to install the package will be cleaned up later 3313 } 3314 3315 // disable any stub still left; these failed to install the full application 3316 for (int i = stubSystemApps.size() - 1; i >= 0; --i) { 3317 final String pkgName = stubSystemApps.get(i); 3318 final PackageSetting ps = mSettings.mPackages.get(pkgName); 3319 ps.setEnabled(PackageManager.COMPONENT_ENABLED_STATE_DISABLED, 3320 UserHandle.USER_SYSTEM, "android"); 3321 logCriticalInfo(Log.ERROR, "Stub disabled; pkg: " + pkgName); 3322 } 3323 } 3324 3325 /** 3326 * Decompresses the given package on the system image onto 3327 * the /data partition. 3328 * @return The directory the package was decompressed into. Otherwise, {@code null}. 3329 */ 3330 private File decompressPackage(PackageParser.Package pkg) { 3331 final File[] compressedFiles = getCompressedFiles(pkg.codePath); 3332 if (compressedFiles == null || compressedFiles.length == 0) { 3333 if (DEBUG_COMPRESSION) { 3334 Slog.i(TAG, "No files to decompress: " + pkg.baseCodePath); 3335 } 3336 return null; 3337 } 3338 final File dstCodePath = 3339 getNextCodePath(Environment.getDataAppDirectory(null), pkg.packageName); 3340 int ret = PackageManager.INSTALL_SUCCEEDED; 3341 try { 3342 Os.mkdir(dstCodePath.getAbsolutePath(), 0755); 3343 Os.chmod(dstCodePath.getAbsolutePath(), 0755); 3344 for (File srcFile : compressedFiles) { 3345 final String srcFileName = srcFile.getName(); 3346 final String dstFileName = srcFileName.substring( 3347 0, srcFileName.length() - COMPRESSED_EXTENSION.length()); 3348 final File dstFile = new File(dstCodePath, dstFileName); 3349 ret = decompressFile(srcFile, dstFile); 3350 if (ret != PackageManager.INSTALL_SUCCEEDED) { 3351 logCriticalInfo(Log.ERROR, "Failed to decompress" 3352 + "; pkg: " + pkg.packageName 3353 + ", file: " + dstFileName); 3354 break; 3355 } 3356 } 3357 } catch (ErrnoException e) { 3358 logCriticalInfo(Log.ERROR, "Failed to decompress" 3359 + "; pkg: " + pkg.packageName 3360 + ", err: " + e.errno); 3361 } 3362 if (ret == PackageManager.INSTALL_SUCCEEDED) { 3363 final File libraryRoot = new File(dstCodePath, LIB_DIR_NAME); 3364 NativeLibraryHelper.Handle handle = null; 3365 try { 3366 handle = NativeLibraryHelper.Handle.create(dstCodePath); 3367 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 3368 null /*abiOverride*/); 3369 } catch (IOException e) { 3370 logCriticalInfo(Log.ERROR, "Failed to extract native libraries" 3371 + "; pkg: " + pkg.packageName); 3372 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 3373 } finally { 3374 IoUtils.closeQuietly(handle); 3375 } 3376 } 3377 if (ret != PackageManager.INSTALL_SUCCEEDED) { 3378 if (dstCodePath == null || !dstCodePath.exists()) { 3379 return null; 3380 } 3381 removeCodePathLI(dstCodePath); 3382 return null; 3383 } 3384 3385 return dstCodePath; 3386 } 3387 3388 private void updateInstantAppInstallerLocked(String modifiedPackage) { 3389 // we're only interested in updating the installer appliction when 1) it's not 3390 // already set or 2) the modified package is the installer 3391 if (mInstantAppInstallerActivity != null 3392 && !mInstantAppInstallerActivity.getComponentName().getPackageName() 3393 .equals(modifiedPackage)) { 3394 return; 3395 } 3396 setUpInstantAppInstallerActivityLP(getInstantAppInstallerLPr()); 3397 } 3398 3399 private static File preparePackageParserCache(boolean isUpgrade) { 3400 if (!DEFAULT_PACKAGE_PARSER_CACHE_ENABLED) { 3401 return null; 3402 } 3403 3404 // Disable package parsing on eng builds to allow for faster incremental development. 3405 if (Build.IS_ENG) { 3406 return null; 3407 } 3408 3409 if (SystemProperties.getBoolean("pm.boot.disable_package_cache", false)) { 3410 Slog.i(TAG, "Disabling package parser cache due to system property."); 3411 return null; 3412 } 3413 3414 // The base directory for the package parser cache lives under /data/system/. 3415 final File cacheBaseDir = FileUtils.createDir(Environment.getDataSystemDirectory(), 3416 "package_cache"); 3417 if (cacheBaseDir == null) { 3418 return null; 3419 } 3420 3421 // If this is a system upgrade scenario, delete the contents of the package cache dir. 3422 // This also serves to "GC" unused entries when the package cache version changes (which 3423 // can only happen during upgrades). 3424 if (isUpgrade) { 3425 FileUtils.deleteContents(cacheBaseDir); 3426 } 3427 3428 3429 // Return the versioned package cache directory. This is something like 3430 // "/data/system/package_cache/1" 3431 File cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 3432 3433 if (cacheDir == null) { 3434 // Something went wrong. Attempt to delete everything and return. 3435 Slog.wtf(TAG, "Cache directory cannot be created - wiping base dir " + cacheBaseDir); 3436 FileUtils.deleteContentsAndDir(cacheBaseDir); 3437 return null; 3438 } 3439 3440 // The following is a workaround to aid development on non-numbered userdebug 3441 // builds or cases where "adb sync" is used on userdebug builds. If we detect that 3442 // the system partition is newer. 3443 // 3444 // NOTE: When no BUILD_NUMBER is set by the build system, it defaults to a build 3445 // that starts with "eng." to signify that this is an engineering build and not 3446 // destined for release. 3447 if (Build.IS_USERDEBUG && Build.VERSION.INCREMENTAL.startsWith("eng.")) { 3448 Slog.w(TAG, "Wiping cache directory because the system partition changed."); 3449 3450 // Heuristic: If the /system directory has been modified recently due to an "adb sync" 3451 // or a regular make, then blow away the cache. Note that mtimes are *NOT* reliable 3452 // in general and should not be used for production changes. In this specific case, 3453 // we know that they will work. 3454 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 3455 if (cacheDir.lastModified() < frameworkDir.lastModified()) { 3456 FileUtils.deleteContents(cacheBaseDir); 3457 cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 3458 } 3459 } 3460 3461 return cacheDir; 3462 } 3463 3464 @Override 3465 public boolean isFirstBoot() { 3466 // allow instant applications 3467 return mFirstBoot; 3468 } 3469 3470 @Override 3471 public boolean isOnlyCoreApps() { 3472 // allow instant applications 3473 return mOnlyCore; 3474 } 3475 3476 @Override 3477 public boolean isUpgrade() { 3478 // allow instant applications 3479 // The system property allows testing ota flow when upgraded to the same image. 3480 return mIsUpgrade || SystemProperties.getBoolean( 3481 "persist.pm.mock-upgrade", false /* default */); 3482 } 3483 3484 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 3485 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 3486 3487 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 3488 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3489 UserHandle.USER_SYSTEM, false /*allowDynamicSplits*/); 3490 if (matches.size() == 1) { 3491 return matches.get(0).getComponentInfo().packageName; 3492 } else if (matches.size() == 0) { 3493 Log.e(TAG, "There should probably be a verifier, but, none were found"); 3494 return null; 3495 } 3496 throw new RuntimeException("There must be exactly one verifier; found " + matches); 3497 } 3498 3499 private @NonNull String getRequiredSharedLibraryLPr(String name, int version) { 3500 synchronized (mPackages) { 3501 SharedLibraryEntry libraryEntry = getSharedLibraryEntryLPr(name, version); 3502 if (libraryEntry == null) { 3503 throw new IllegalStateException("Missing required shared library:" + name); 3504 } 3505 return libraryEntry.apk; 3506 } 3507 } 3508 3509 private @NonNull String getRequiredInstallerLPr() { 3510 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 3511 intent.addCategory(Intent.CATEGORY_DEFAULT); 3512 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3513 3514 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3515 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3516 UserHandle.USER_SYSTEM); 3517 if (matches.size() == 1) { 3518 ResolveInfo resolveInfo = matches.get(0); 3519 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 3520 throw new RuntimeException("The installer must be a privileged app"); 3521 } 3522 return matches.get(0).getComponentInfo().packageName; 3523 } else { 3524 throw new RuntimeException("There must be exactly one installer; found " + matches); 3525 } 3526 } 3527 3528 private @NonNull String getRequiredUninstallerLPr() { 3529 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 3530 intent.addCategory(Intent.CATEGORY_DEFAULT); 3531 intent.setData(Uri.fromParts(PACKAGE_SCHEME, "foo.bar", null)); 3532 3533 final ResolveInfo resolveInfo = resolveIntent(intent, null, 3534 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3535 UserHandle.USER_SYSTEM); 3536 if (resolveInfo == null || 3537 mResolveActivity.name.equals(resolveInfo.getComponentInfo().name)) { 3538 throw new RuntimeException("There must be exactly one uninstaller; found " 3539 + resolveInfo); 3540 } 3541 return resolveInfo.getComponentInfo().packageName; 3542 } 3543 3544 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 3545 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 3546 3547 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 3548 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3549 UserHandle.USER_SYSTEM, false /*allowDynamicSplits*/); 3550 ResolveInfo best = null; 3551 final int N = matches.size(); 3552 for (int i = 0; i < N; i++) { 3553 final ResolveInfo cur = matches.get(i); 3554 final String packageName = cur.getComponentInfo().packageName; 3555 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 3556 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 3557 continue; 3558 } 3559 3560 if (best == null || cur.priority > best.priority) { 3561 best = cur; 3562 } 3563 } 3564 3565 if (best != null) { 3566 return best.getComponentInfo().getComponentName(); 3567 } 3568 Slog.w(TAG, "Intent filter verifier not found"); 3569 return null; 3570 } 3571 3572 @Override 3573 public @Nullable ComponentName getInstantAppResolverComponent() { 3574 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 3575 return null; 3576 } 3577 synchronized (mPackages) { 3578 final Pair<ComponentName, String> instantAppResolver = getInstantAppResolverLPr(); 3579 if (instantAppResolver == null) { 3580 return null; 3581 } 3582 return instantAppResolver.first; 3583 } 3584 } 3585 3586 private @Nullable Pair<ComponentName, String> getInstantAppResolverLPr() { 3587 final String[] packageArray = 3588 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 3589 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 3590 if (DEBUG_INSTANT) { 3591 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 3592 } 3593 return null; 3594 } 3595 3596 final int callingUid = Binder.getCallingUid(); 3597 final int resolveFlags = 3598 MATCH_DIRECT_BOOT_AWARE 3599 | MATCH_DIRECT_BOOT_UNAWARE 3600 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3601 String actionName = Intent.ACTION_RESOLVE_INSTANT_APP_PACKAGE; 3602 final Intent resolverIntent = new Intent(actionName); 3603 List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 3604 resolveFlags, UserHandle.USER_SYSTEM, callingUid, false /*includeInstantApps*/); 3605 final int N = resolvers.size(); 3606 if (N == 0) { 3607 if (DEBUG_INSTANT) { 3608 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 3609 } 3610 return null; 3611 } 3612 3613 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 3614 for (int i = 0; i < N; i++) { 3615 final ResolveInfo info = resolvers.get(i); 3616 3617 if (info.serviceInfo == null) { 3618 continue; 3619 } 3620 3621 final String packageName = info.serviceInfo.packageName; 3622 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 3623 if (DEBUG_INSTANT) { 3624 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 3625 + " pkg: " + packageName + ", info:" + info); 3626 } 3627 continue; 3628 } 3629 3630 if (DEBUG_INSTANT) { 3631 Slog.v(TAG, "Ephemeral resolver found;" 3632 + " pkg: " + packageName + ", info:" + info); 3633 } 3634 return new Pair<>(new ComponentName(packageName, info.serviceInfo.name), actionName); 3635 } 3636 if (DEBUG_INSTANT) { 3637 Slog.v(TAG, "Ephemeral resolver NOT found"); 3638 } 3639 return null; 3640 } 3641 3642 private @Nullable ActivityInfo getInstantAppInstallerLPr() { 3643 String[] orderedActions = Build.IS_ENG 3644 ? new String[]{ 3645 Intent.ACTION_INSTALL_INSTANT_APP_PACKAGE + "_TEST", 3646 Intent.ACTION_INSTALL_INSTANT_APP_PACKAGE} 3647 : new String[]{ 3648 Intent.ACTION_INSTALL_INSTANT_APP_PACKAGE}; 3649 3650 final int resolveFlags = 3651 MATCH_DIRECT_BOOT_AWARE 3652 | MATCH_DIRECT_BOOT_UNAWARE 3653 | Intent.FLAG_IGNORE_EPHEMERAL 3654 | (!Build.IS_ENG ? MATCH_SYSTEM_ONLY : 0); 3655 final Intent intent = new Intent(); 3656 intent.addCategory(Intent.CATEGORY_DEFAULT); 3657 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3658 List<ResolveInfo> matches = null; 3659 for (String action : orderedActions) { 3660 intent.setAction(action); 3661 matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3662 resolveFlags, UserHandle.USER_SYSTEM); 3663 if (matches.isEmpty()) { 3664 if (DEBUG_INSTANT) { 3665 Slog.d(TAG, "Instant App installer not found with " + action); 3666 } 3667 } else { 3668 break; 3669 } 3670 } 3671 Iterator<ResolveInfo> iter = matches.iterator(); 3672 while (iter.hasNext()) { 3673 final ResolveInfo rInfo = iter.next(); 3674 final PackageSetting ps = mSettings.mPackages.get(rInfo.activityInfo.packageName); 3675 if (ps != null) { 3676 final PermissionsState permissionsState = ps.getPermissionsState(); 3677 if (permissionsState.hasPermission(Manifest.permission.INSTALL_PACKAGES, 0) 3678 || Build.IS_ENG) { 3679 continue; 3680 } 3681 } 3682 iter.remove(); 3683 } 3684 if (matches.size() == 0) { 3685 return null; 3686 } else if (matches.size() == 1) { 3687 return (ActivityInfo) matches.get(0).getComponentInfo(); 3688 } else { 3689 throw new RuntimeException( 3690 "There must be at most one ephemeral installer; found " + matches); 3691 } 3692 } 3693 3694 private @Nullable ComponentName getInstantAppResolverSettingsLPr( 3695 @NonNull ComponentName resolver) { 3696 final Intent intent = new Intent(Intent.ACTION_INSTANT_APP_RESOLVER_SETTINGS) 3697 .addCategory(Intent.CATEGORY_DEFAULT) 3698 .setPackage(resolver.getPackageName()); 3699 final int resolveFlags = MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3700 List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, resolveFlags, 3701 UserHandle.USER_SYSTEM); 3702 if (matches.isEmpty()) { 3703 return null; 3704 } 3705 return matches.get(0).getComponentInfo().getComponentName(); 3706 } 3707 3708 private void primeDomainVerificationsLPw(int userId) { 3709 if (DEBUG_DOMAIN_VERIFICATION) { 3710 Slog.d(TAG, "Priming domain verifications in user " + userId); 3711 } 3712 3713 SystemConfig systemConfig = SystemConfig.getInstance(); 3714 ArraySet<String> packages = systemConfig.getLinkedApps(); 3715 3716 for (String packageName : packages) { 3717 PackageParser.Package pkg = mPackages.get(packageName); 3718 if (pkg != null) { 3719 if (!pkg.isSystem()) { 3720 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 3721 continue; 3722 } 3723 3724 ArraySet<String> domains = null; 3725 for (PackageParser.Activity a : pkg.activities) { 3726 for (ActivityIntentInfo filter : a.intents) { 3727 if (hasValidDomains(filter)) { 3728 if (domains == null) { 3729 domains = new ArraySet<String>(); 3730 } 3731 domains.addAll(filter.getHostsList()); 3732 } 3733 } 3734 } 3735 3736 if (domains != null && domains.size() > 0) { 3737 if (DEBUG_DOMAIN_VERIFICATION) { 3738 Slog.v(TAG, " + " + packageName); 3739 } 3740 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 3741 // state w.r.t. the formal app-linkage "no verification attempted" state; 3742 // and then 'always' in the per-user state actually used for intent resolution. 3743 final IntentFilterVerificationInfo ivi; 3744 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, domains); 3745 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 3746 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 3747 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 3748 } else { 3749 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 3750 + "' does not handle web links"); 3751 } 3752 } else { 3753 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 3754 } 3755 } 3756 3757 scheduleWritePackageRestrictionsLocked(userId); 3758 scheduleWriteSettingsLocked(); 3759 } 3760 3761 private void applyFactoryDefaultBrowserLPw(int userId) { 3762 // The default browser app's package name is stored in a string resource, 3763 // with a product-specific overlay used for vendor customization. 3764 String browserPkg = mContext.getResources().getString( 3765 com.android.internal.R.string.default_browser); 3766 if (!TextUtils.isEmpty(browserPkg)) { 3767 // non-empty string => required to be a known package 3768 PackageSetting ps = mSettings.mPackages.get(browserPkg); 3769 if (ps == null) { 3770 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 3771 browserPkg = null; 3772 } else { 3773 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3774 } 3775 } 3776 3777 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3778 // default. If there's more than one, just leave everything alone. 3779 if (browserPkg == null) { 3780 calculateDefaultBrowserLPw(userId); 3781 } 3782 } 3783 3784 private void calculateDefaultBrowserLPw(int userId) { 3785 List<String> allBrowsers = resolveAllBrowserApps(userId); 3786 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3787 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3788 } 3789 3790 private List<String> resolveAllBrowserApps(int userId) { 3791 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3792 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3793 PackageManager.MATCH_ALL, userId); 3794 3795 final int count = list.size(); 3796 List<String> result = new ArrayList<String>(count); 3797 for (int i=0; i<count; i++) { 3798 ResolveInfo info = list.get(i); 3799 if (info.activityInfo == null 3800 || !info.handleAllWebDataURI 3801 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3802 || result.contains(info.activityInfo.packageName)) { 3803 continue; 3804 } 3805 result.add(info.activityInfo.packageName); 3806 } 3807 3808 return result; 3809 } 3810 3811 private boolean packageIsBrowser(String packageName, int userId) { 3812 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3813 PackageManager.MATCH_ALL, userId); 3814 final int N = list.size(); 3815 for (int i = 0; i < N; i++) { 3816 ResolveInfo info = list.get(i); 3817 if (info.priority >= 0 && packageName.equals(info.activityInfo.packageName)) { 3818 return true; 3819 } 3820 } 3821 return false; 3822 } 3823 3824 private void checkDefaultBrowser() { 3825 final int myUserId = UserHandle.myUserId(); 3826 final String packageName = getDefaultBrowserPackageName(myUserId); 3827 if (packageName != null) { 3828 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3829 if (info == null) { 3830 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3831 synchronized (mPackages) { 3832 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3833 } 3834 } 3835 } 3836 } 3837 3838 @Override 3839 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3840 throws RemoteException { 3841 try { 3842 return super.onTransact(code, data, reply, flags); 3843 } catch (RuntimeException e) { 3844 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3845 Slog.wtf(TAG, "Package Manager Crash", e); 3846 } 3847 throw e; 3848 } 3849 } 3850 3851 static int[] appendInts(int[] cur, int[] add) { 3852 if (add == null) return cur; 3853 if (cur == null) return add; 3854 final int N = add.length; 3855 for (int i=0; i<N; i++) { 3856 cur = appendInt(cur, add[i]); 3857 } 3858 return cur; 3859 } 3860 3861 /** 3862 * Returns whether or not a full application can see an instant application. 3863 * <p> 3864 * Currently, there are three cases in which this can occur: 3865 * <ol> 3866 * <li>The calling application is a "special" process. Special processes 3867 * are those with a UID < {@link Process#FIRST_APPLICATION_UID}.</li> 3868 * <li>The calling application has the permission 3869 * {@link android.Manifest.permission#ACCESS_INSTANT_APPS}.</li> 3870 * <li>The calling application is the default launcher on the 3871 * system partition.</li> 3872 * </ol> 3873 */ 3874 private boolean canViewInstantApps(int callingUid, int userId) { 3875 if (callingUid < Process.FIRST_APPLICATION_UID) { 3876 return true; 3877 } 3878 if (mContext.checkCallingOrSelfPermission( 3879 android.Manifest.permission.ACCESS_INSTANT_APPS) == PERMISSION_GRANTED) { 3880 return true; 3881 } 3882 if (mContext.checkCallingOrSelfPermission( 3883 android.Manifest.permission.VIEW_INSTANT_APPS) == PERMISSION_GRANTED) { 3884 final ComponentName homeComponent = getDefaultHomeActivity(userId); 3885 if (homeComponent != null 3886 && isCallerSameApp(homeComponent.getPackageName(), callingUid)) { 3887 return true; 3888 } 3889 } 3890 return false; 3891 } 3892 3893 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3894 if (!sUserManager.exists(userId)) return null; 3895 if (ps == null) { 3896 return null; 3897 } 3898 final int callingUid = Binder.getCallingUid(); 3899 // Filter out ephemeral app metadata: 3900 // * The system/shell/root can see metadata for any app 3901 // * An installed app can see metadata for 1) other installed apps 3902 // and 2) ephemeral apps that have explicitly interacted with it 3903 // * Ephemeral apps can only see their own data and exposed installed apps 3904 // * Holding a signature permission allows seeing instant apps 3905 if (filterAppAccessLPr(ps, callingUid, userId)) { 3906 return null; 3907 } 3908 3909 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0 3910 && ps.isSystem()) { 3911 flags |= MATCH_ANY_USER; 3912 } 3913 3914 final PackageUserState state = ps.readUserState(userId); 3915 PackageParser.Package p = ps.pkg; 3916 if (p != null) { 3917 final PermissionsState permissionsState = ps.getPermissionsState(); 3918 3919 // Compute GIDs only if requested 3920 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3921 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3922 // Compute granted permissions only if package has requested permissions 3923 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3924 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3925 3926 PackageInfo packageInfo = PackageParser.generatePackageInfo(p, gids, flags, 3927 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3928 3929 if (packageInfo == null) { 3930 return null; 3931 } 3932 3933 packageInfo.packageName = packageInfo.applicationInfo.packageName = 3934 resolveExternalPackageNameLPr(p); 3935 3936 return packageInfo; 3937 } else if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0 && state.isAvailable(flags)) { 3938 PackageInfo pi = new PackageInfo(); 3939 pi.packageName = ps.name; 3940 pi.setLongVersionCode(ps.versionCode); 3941 pi.sharedUserId = (ps.sharedUser != null) ? ps.sharedUser.name : null; 3942 pi.firstInstallTime = ps.firstInstallTime; 3943 pi.lastUpdateTime = ps.lastUpdateTime; 3944 3945 ApplicationInfo ai = new ApplicationInfo(); 3946 ai.packageName = ps.name; 3947 ai.uid = UserHandle.getUid(userId, ps.appId); 3948 ai.primaryCpuAbi = ps.primaryCpuAbiString; 3949 ai.secondaryCpuAbi = ps.secondaryCpuAbiString; 3950 ai.setVersionCode(ps.versionCode); 3951 ai.flags = ps.pkgFlags; 3952 ai.privateFlags = ps.pkgPrivateFlags; 3953 pi.applicationInfo = PackageParser.generateApplicationInfo(ai, flags, state, userId); 3954 3955 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "ps.pkg is n/a for [" 3956 + ps.name + "]. Provides a minimum info."); 3957 return pi; 3958 } else { 3959 return null; 3960 } 3961 } 3962 3963 @Override 3964 public void checkPackageStartable(String packageName, int userId) { 3965 final int callingUid = Binder.getCallingUid(); 3966 if (getInstantAppPackageName(callingUid) != null) { 3967 throw new SecurityException("Instant applications don't have access to this method"); 3968 } 3969 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3970 synchronized (mPackages) { 3971 final PackageSetting ps = mSettings.mPackages.get(packageName); 3972 if (ps == null || filterAppAccessLPr(ps, callingUid, userId)) { 3973 throw new SecurityException("Package " + packageName + " was not found!"); 3974 } 3975 3976 if (!ps.getInstalled(userId)) { 3977 throw new SecurityException( 3978 "Package " + packageName + " was not installed for user " + userId + "!"); 3979 } 3980 3981 if (mSafeMode && !ps.isSystem()) { 3982 throw new SecurityException("Package " + packageName + " not a system app!"); 3983 } 3984 3985 if (mFrozenPackages.contains(packageName)) { 3986 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3987 } 3988 3989 if (!userKeyUnlocked && !ps.pkg.applicationInfo.isEncryptionAware()) { 3990 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3991 } 3992 } 3993 } 3994 3995 @Override 3996 public boolean isPackageAvailable(String packageName, int userId) { 3997 if (!sUserManager.exists(userId)) return false; 3998 final int callingUid = Binder.getCallingUid(); 3999 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 4000 false /*requireFullPermission*/, false /*checkShell*/, "is package available"); 4001 synchronized (mPackages) { 4002 PackageParser.Package p = mPackages.get(packageName); 4003 if (p != null) { 4004 final PackageSetting ps = (PackageSetting) p.mExtras; 4005 if (filterAppAccessLPr(ps, callingUid, userId)) { 4006 return false; 4007 } 4008 if (ps != null) { 4009 final PackageUserState state = ps.readUserState(userId); 4010 if (state != null) { 4011 return PackageParser.isAvailable(state); 4012 } 4013 } 4014 } 4015 } 4016 return false; 4017 } 4018 4019 @Override 4020 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 4021 return getPackageInfoInternal(packageName, PackageManager.VERSION_CODE_HIGHEST, 4022 flags, Binder.getCallingUid(), userId); 4023 } 4024 4025 @Override 4026 public PackageInfo getPackageInfoVersioned(VersionedPackage versionedPackage, 4027 int flags, int userId) { 4028 return getPackageInfoInternal(versionedPackage.getPackageName(), 4029 versionedPackage.getLongVersionCode(), flags, Binder.getCallingUid(), userId); 4030 } 4031 4032 /** 4033 * Important: The provided filterCallingUid is used exclusively to filter out packages 4034 * that can be seen based on user state. It's typically the original caller uid prior 4035 * to clearing. Because it can only be provided by trusted code, it's value can be 4036 * trusted and will be used as-is; unlike userId which will be validated by this method. 4037 */ 4038 private PackageInfo getPackageInfoInternal(String packageName, long versionCode, 4039 int flags, int filterCallingUid, int userId) { 4040 if (!sUserManager.exists(userId)) return null; 4041 flags = updateFlagsForPackage(flags, userId, packageName); 4042 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 4043 false /* requireFullPermission */, false /* checkShell */, "get package info"); 4044 4045 // reader 4046 synchronized (mPackages) { 4047 // Normalize package name to handle renamed packages and static libs 4048 packageName = resolveInternalPackageNameLPr(packageName, versionCode); 4049 4050 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 4051 if (matchFactoryOnly) { 4052 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 4053 if (ps != null) { 4054 if (filterSharedLibPackageLPr(ps, filterCallingUid, userId, flags)) { 4055 return null; 4056 } 4057 if (filterAppAccessLPr(ps, filterCallingUid, userId)) { 4058 return null; 4059 } 4060 return generatePackageInfo(ps, flags, userId); 4061 } 4062 } 4063 4064 PackageParser.Package p = mPackages.get(packageName); 4065 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 4066 return null; 4067 } 4068 if (DEBUG_PACKAGE_INFO) 4069 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 4070 if (p != null) { 4071 final PackageSetting ps = (PackageSetting) p.mExtras; 4072 if (filterSharedLibPackageLPr(ps, filterCallingUid, userId, flags)) { 4073 return null; 4074 } 4075 if (ps != null && filterAppAccessLPr(ps, filterCallingUid, userId)) { 4076 return null; 4077 } 4078 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 4079 } 4080 if (!matchFactoryOnly && (flags & MATCH_KNOWN_PACKAGES) != 0) { 4081 final PackageSetting ps = mSettings.mPackages.get(packageName); 4082 if (ps == null) return null; 4083 if (filterSharedLibPackageLPr(ps, filterCallingUid, userId, flags)) { 4084 return null; 4085 } 4086 if (filterAppAccessLPr(ps, filterCallingUid, userId)) { 4087 return null; 4088 } 4089 return generatePackageInfo(ps, flags, userId); 4090 } 4091 } 4092 return null; 4093 } 4094 4095 private boolean isComponentVisibleToInstantApp(@Nullable ComponentName component) { 4096 if (isComponentVisibleToInstantApp(component, TYPE_ACTIVITY)) { 4097 return true; 4098 } 4099 if (isComponentVisibleToInstantApp(component, TYPE_SERVICE)) { 4100 return true; 4101 } 4102 if (isComponentVisibleToInstantApp(component, TYPE_PROVIDER)) { 4103 return true; 4104 } 4105 return false; 4106 } 4107 4108 private boolean isComponentVisibleToInstantApp( 4109 @Nullable ComponentName component, @ComponentType int type) { 4110 if (type == TYPE_ACTIVITY) { 4111 final PackageParser.Activity activity = mActivities.mActivities.get(component); 4112 if (activity == null) { 4113 return false; 4114 } 4115 final boolean visibleToInstantApp = 4116 (activity.info.flags & ActivityInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0; 4117 final boolean explicitlyVisibleToInstantApp = 4118 (activity.info.flags & ActivityInfo.FLAG_IMPLICITLY_VISIBLE_TO_INSTANT_APP) == 0; 4119 return visibleToInstantApp && explicitlyVisibleToInstantApp; 4120 } else if (type == TYPE_RECEIVER) { 4121 final PackageParser.Activity activity = mReceivers.mActivities.get(component); 4122 if (activity == null) { 4123 return false; 4124 } 4125 final boolean visibleToInstantApp = 4126 (activity.info.flags & ActivityInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0; 4127 final boolean explicitlyVisibleToInstantApp = 4128 (activity.info.flags & ActivityInfo.FLAG_IMPLICITLY_VISIBLE_TO_INSTANT_APP) == 0; 4129 return visibleToInstantApp && !explicitlyVisibleToInstantApp; 4130 } else if (type == TYPE_SERVICE) { 4131 final PackageParser.Service service = mServices.mServices.get(component); 4132 return service != null 4133 ? (service.info.flags & ServiceInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0 4134 : false; 4135 } else if (type == TYPE_PROVIDER) { 4136 final PackageParser.Provider provider = mProviders.mProviders.get(component); 4137 return provider != null 4138 ? (provider.info.flags & ProviderInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0 4139 : false; 4140 } else if (type == TYPE_UNKNOWN) { 4141 return isComponentVisibleToInstantApp(component); 4142 } 4143 return false; 4144 } 4145 4146 /** 4147 * Returns whether or not access to the application should be filtered. 4148 * <p> 4149 * Access may be limited based upon whether the calling or target applications 4150 * are instant applications. 4151 * 4152 * @see #canAccessInstantApps(int) 4153 */ 4154 private boolean filterAppAccessLPr(@Nullable PackageSetting ps, int callingUid, 4155 @Nullable ComponentName component, @ComponentType int componentType, int userId) { 4156 // if we're in an isolated process, get the real calling UID 4157 if (Process.isIsolated(callingUid)) { 4158 callingUid = mIsolatedOwners.get(callingUid); 4159 } 4160 final String instantAppPkgName = getInstantAppPackageName(callingUid); 4161 final boolean callerIsInstantApp = instantAppPkgName != null; 4162 if (ps == null) { 4163 if (callerIsInstantApp) { 4164 // pretend the application exists, but, needs to be filtered 4165 return true; 4166 } 4167 return false; 4168 } 4169 // if the target and caller are the same application, don't filter 4170 if (isCallerSameApp(ps.name, callingUid)) { 4171 return false; 4172 } 4173 if (callerIsInstantApp) { 4174 // both caller and target are both instant, but, different applications, filter 4175 if (ps.getInstantApp(userId)) { 4176 return true; 4177 } 4178 // request for a specific component; if it hasn't been explicitly exposed through 4179 // property or instrumentation target, filter 4180 if (component != null) { 4181 final PackageParser.Instrumentation instrumentation = 4182 mInstrumentation.get(component); 4183 if (instrumentation != null 4184 && isCallerSameApp(instrumentation.info.targetPackage, callingUid)) { 4185 return false; 4186 } 4187 return !isComponentVisibleToInstantApp(component, componentType); 4188 } 4189 // request for application; if no components have been explicitly exposed, filter 4190 return !ps.pkg.visibleToInstantApps; 4191 } 4192 if (ps.getInstantApp(userId)) { 4193 // caller can see all components of all instant applications, don't filter 4194 if (canViewInstantApps(callingUid, userId)) { 4195 return false; 4196 } 4197 // request for a specific instant application component, filter 4198 if (component != null) { 4199 return true; 4200 } 4201 // request for an instant application; if the caller hasn't been granted access, filter 4202 return !mInstantAppRegistry.isInstantAccessGranted( 4203 userId, UserHandle.getAppId(callingUid), ps.appId); 4204 } 4205 return false; 4206 } 4207 4208 /** 4209 * @see #filterAppAccessLPr(PackageSetting, int, ComponentName, boolean, int) 4210 */ 4211 private boolean filterAppAccessLPr(@Nullable PackageSetting ps, int callingUid, int userId) { 4212 return filterAppAccessLPr(ps, callingUid, null, TYPE_UNKNOWN, userId); 4213 } 4214 4215 private boolean filterSharedLibPackageLPr(@Nullable PackageSetting ps, int uid, int userId, 4216 int flags) { 4217 // Callers can access only the libs they depend on, otherwise they need to explicitly 4218 // ask for the shared libraries given the caller is allowed to access all static libs. 4219 if ((flags & PackageManager.MATCH_STATIC_SHARED_LIBRARIES) != 0) { 4220 // System/shell/root get to see all static libs 4221 final int appId = UserHandle.getAppId(uid); 4222 if (appId == Process.SYSTEM_UID || appId == Process.SHELL_UID 4223 || appId == Process.ROOT_UID) { 4224 return false; 4225 } 4226 // Installer gets to see all static libs. 4227 if (PackageManager.PERMISSION_GRANTED 4228 == checkUidPermission(Manifest.permission.INSTALL_PACKAGES, uid)) { 4229 return false; 4230 } 4231 } 4232 4233 // No package means no static lib as it is always on internal storage 4234 if (ps == null || ps.pkg == null || !ps.pkg.applicationInfo.isStaticSharedLibrary()) { 4235 return false; 4236 } 4237 4238 final SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(ps.pkg.staticSharedLibName, 4239 ps.pkg.staticSharedLibVersion); 4240 if (libEntry == null) { 4241 return false; 4242 } 4243 4244 final int resolvedUid = UserHandle.getUid(userId, UserHandle.getAppId(uid)); 4245 final String[] uidPackageNames = getPackagesForUid(resolvedUid); 4246 if (uidPackageNames == null) { 4247 return true; 4248 } 4249 4250 for (String uidPackageName : uidPackageNames) { 4251 if (ps.name.equals(uidPackageName)) { 4252 return false; 4253 } 4254 PackageSetting uidPs = mSettings.getPackageLPr(uidPackageName); 4255 if (uidPs != null) { 4256 final int index = ArrayUtils.indexOf(uidPs.usesStaticLibraries, 4257 libEntry.info.getName()); 4258 if (index < 0) { 4259 continue; 4260 } 4261 if (uidPs.pkg.usesStaticLibrariesVersions[index] == libEntry.info.getLongVersion()) { 4262 return false; 4263 } 4264 } 4265 } 4266 return true; 4267 } 4268 4269 @Override 4270 public String[] currentToCanonicalPackageNames(String[] names) { 4271 final int callingUid = Binder.getCallingUid(); 4272 if (getInstantAppPackageName(callingUid) != null) { 4273 return names; 4274 } 4275 final String[] out = new String[names.length]; 4276 // reader 4277 synchronized (mPackages) { 4278 final int callingUserId = UserHandle.getUserId(callingUid); 4279 final boolean canViewInstantApps = canViewInstantApps(callingUid, callingUserId); 4280 for (int i=names.length-1; i>=0; i--) { 4281 final PackageSetting ps = mSettings.mPackages.get(names[i]); 4282 boolean translateName = false; 4283 if (ps != null && ps.realName != null) { 4284 final boolean targetIsInstantApp = ps.getInstantApp(callingUserId); 4285 translateName = !targetIsInstantApp 4286 || canViewInstantApps 4287 || mInstantAppRegistry.isInstantAccessGranted(callingUserId, 4288 UserHandle.getAppId(callingUid), ps.appId); 4289 } 4290 out[i] = translateName ? ps.realName : names[i]; 4291 } 4292 } 4293 return out; 4294 } 4295 4296 @Override 4297 public String[] canonicalToCurrentPackageNames(String[] names) { 4298 final int callingUid = Binder.getCallingUid(); 4299 if (getInstantAppPackageName(callingUid) != null) { 4300 return names; 4301 } 4302 final String[] out = new String[names.length]; 4303 // reader 4304 synchronized (mPackages) { 4305 final int callingUserId = UserHandle.getUserId(callingUid); 4306 final boolean canViewInstantApps = canViewInstantApps(callingUid, callingUserId); 4307 for (int i=names.length-1; i>=0; i--) { 4308 final String cur = mSettings.getRenamedPackageLPr(names[i]); 4309 boolean translateName = false; 4310 if (cur != null) { 4311 final PackageSetting ps = mSettings.mPackages.get(names[i]); 4312 final boolean targetIsInstantApp = 4313 ps != null && ps.getInstantApp(callingUserId); 4314 translateName = !targetIsInstantApp 4315 || canViewInstantApps 4316 || mInstantAppRegistry.isInstantAccessGranted(callingUserId, 4317 UserHandle.getAppId(callingUid), ps.appId); 4318 } 4319 out[i] = translateName ? cur : names[i]; 4320 } 4321 } 4322 return out; 4323 } 4324 4325 @Override 4326 public int getPackageUid(String packageName, int flags, int userId) { 4327 if (!sUserManager.exists(userId)) return -1; 4328 final int callingUid = Binder.getCallingUid(); 4329 flags = updateFlagsForPackage(flags, userId, packageName); 4330 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 4331 false /*requireFullPermission*/, false /*checkShell*/, "getPackageUid"); 4332 4333 // reader 4334 synchronized (mPackages) { 4335 final PackageParser.Package p = mPackages.get(packageName); 4336 if (p != null && p.isMatch(flags)) { 4337 PackageSetting ps = (PackageSetting) p.mExtras; 4338 if (filterAppAccessLPr(ps, callingUid, userId)) { 4339 return -1; 4340 } 4341 return UserHandle.getUid(userId, p.applicationInfo.uid); 4342 } 4343 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 4344 final PackageSetting ps = mSettings.mPackages.get(packageName); 4345 if (ps != null && ps.isMatch(flags) 4346 && !filterAppAccessLPr(ps, callingUid, userId)) { 4347 return UserHandle.getUid(userId, ps.appId); 4348 } 4349 } 4350 } 4351 4352 return -1; 4353 } 4354 4355 @Override 4356 public int[] getPackageGids(String packageName, int flags, int userId) { 4357 if (!sUserManager.exists(userId)) return null; 4358 final int callingUid = Binder.getCallingUid(); 4359 flags = updateFlagsForPackage(flags, userId, packageName); 4360 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 4361 false /*requireFullPermission*/, false /*checkShell*/, "getPackageGids"); 4362 4363 // reader 4364 synchronized (mPackages) { 4365 final PackageParser.Package p = mPackages.get(packageName); 4366 if (p != null && p.isMatch(flags)) { 4367 PackageSetting ps = (PackageSetting) p.mExtras; 4368 if (filterAppAccessLPr(ps, callingUid, userId)) { 4369 return null; 4370 } 4371 // TODO: Shouldn't this be checking for package installed state for userId and 4372 // return null? 4373 return ps.getPermissionsState().computeGids(userId); 4374 } 4375 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 4376 final PackageSetting ps = mSettings.mPackages.get(packageName); 4377 if (ps != null && ps.isMatch(flags) 4378 && !filterAppAccessLPr(ps, callingUid, userId)) { 4379 return ps.getPermissionsState().computeGids(userId); 4380 } 4381 } 4382 } 4383 4384 return null; 4385 } 4386 4387 @Override 4388 public PermissionInfo getPermissionInfo(String name, String packageName, int flags) { 4389 return mPermissionManager.getPermissionInfo(name, packageName, flags, getCallingUid()); 4390 } 4391 4392 @Override 4393 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String groupName, 4394 int flags) { 4395 final List<PermissionInfo> permissionList = 4396 mPermissionManager.getPermissionInfoByGroup(groupName, flags, getCallingUid()); 4397 return (permissionList == null) ? null : new ParceledListSlice<>(permissionList); 4398 } 4399 4400 @Override 4401 public PermissionGroupInfo getPermissionGroupInfo(String groupName, int flags) { 4402 return mPermissionManager.getPermissionGroupInfo(groupName, flags, getCallingUid()); 4403 } 4404 4405 @Override 4406 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 4407 final List<PermissionGroupInfo> permissionList = 4408 mPermissionManager.getAllPermissionGroups(flags, getCallingUid()); 4409 return (permissionList == null) 4410 ? ParceledListSlice.emptyList() : new ParceledListSlice<>(permissionList); 4411 } 4412 4413 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 4414 int filterCallingUid, int userId) { 4415 if (!sUserManager.exists(userId)) return null; 4416 PackageSetting ps = mSettings.mPackages.get(packageName); 4417 if (ps != null) { 4418 if (filterSharedLibPackageLPr(ps, filterCallingUid, userId, flags)) { 4419 return null; 4420 } 4421 if (filterAppAccessLPr(ps, filterCallingUid, userId)) { 4422 return null; 4423 } 4424 if (ps.pkg == null) { 4425 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 4426 if (pInfo != null) { 4427 return pInfo.applicationInfo; 4428 } 4429 return null; 4430 } 4431 ApplicationInfo ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 4432 ps.readUserState(userId), userId); 4433 if (ai != null) { 4434 ai.packageName = resolveExternalPackageNameLPr(ps.pkg); 4435 } 4436 return ai; 4437 } 4438 return null; 4439 } 4440 4441 @Override 4442 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 4443 return getApplicationInfoInternal(packageName, flags, Binder.getCallingUid(), userId); 4444 } 4445 4446 /** 4447 * Important: The provided filterCallingUid is used exclusively to filter out applications 4448 * that can be seen based on user state. It's typically the original caller uid prior 4449 * to clearing. Because it can only be provided by trusted code, it's value can be 4450 * trusted and will be used as-is; unlike userId which will be validated by this method. 4451 */ 4452 private ApplicationInfo getApplicationInfoInternal(String packageName, int flags, 4453 int filterCallingUid, int userId) { 4454 if (!sUserManager.exists(userId)) return null; 4455 flags = updateFlagsForApplication(flags, userId, packageName); 4456 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 4457 false /* requireFullPermission */, false /* checkShell */, "get application info"); 4458 4459 // writer 4460 synchronized (mPackages) { 4461 // Normalize package name to handle renamed packages and static libs 4462 packageName = resolveInternalPackageNameLPr(packageName, 4463 PackageManager.VERSION_CODE_HIGHEST); 4464 4465 PackageParser.Package p = mPackages.get(packageName); 4466 if (DEBUG_PACKAGE_INFO) Log.v( 4467 TAG, "getApplicationInfo " + packageName 4468 + ": " + p); 4469 if (p != null) { 4470 PackageSetting ps = mSettings.mPackages.get(packageName); 4471 if (ps == null) return null; 4472 if (filterSharedLibPackageLPr(ps, filterCallingUid, userId, flags)) { 4473 return null; 4474 } 4475 if (filterAppAccessLPr(ps, filterCallingUid, userId)) { 4476 return null; 4477 } 4478 // Note: isEnabledLP() does not apply here - always return info 4479 ApplicationInfo ai = PackageParser.generateApplicationInfo( 4480 p, flags, ps.readUserState(userId), userId); 4481 if (ai != null) { 4482 ai.packageName = resolveExternalPackageNameLPr(p); 4483 } 4484 return ai; 4485 } 4486 if ("android".equals(packageName)||"system".equals(packageName)) { 4487 return mAndroidApplication; 4488 } 4489 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 4490 // Already generates the external package name 4491 return generateApplicationInfoFromSettingsLPw(packageName, 4492 flags, filterCallingUid, userId); 4493 } 4494 } 4495 return null; 4496 } 4497 4498 private String normalizePackageNameLPr(String packageName) { 4499 String normalizedPackageName = mSettings.getRenamedPackageLPr(packageName); 4500 return normalizedPackageName != null ? normalizedPackageName : packageName; 4501 } 4502 4503 @Override 4504 public void deletePreloadsFileCache() { 4505 if (!UserHandle.isSameApp(Binder.getCallingUid(), Process.SYSTEM_UID)) { 4506 throw new SecurityException("Only system or settings may call deletePreloadsFileCache"); 4507 } 4508 File dir = Environment.getDataPreloadsFileCacheDirectory(); 4509 Slog.i(TAG, "Deleting preloaded file cache " + dir); 4510 FileUtils.deleteContents(dir); 4511 } 4512 4513 @Override 4514 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 4515 final int storageFlags, final IPackageDataObserver observer) { 4516 mContext.enforceCallingOrSelfPermission( 4517 android.Manifest.permission.CLEAR_APP_CACHE, null); 4518 mHandler.post(() -> { 4519 boolean success = false; 4520 try { 4521 freeStorage(volumeUuid, freeStorageSize, storageFlags); 4522 success = true; 4523 } catch (IOException e) { 4524 Slog.w(TAG, e); 4525 } 4526 if (observer != null) { 4527 try { 4528 observer.onRemoveCompleted(null, success); 4529 } catch (RemoteException e) { 4530 Slog.w(TAG, e); 4531 } 4532 } 4533 }); 4534 } 4535 4536 @Override 4537 public void freeStorage(final String volumeUuid, final long freeStorageSize, 4538 final int storageFlags, final IntentSender pi) { 4539 mContext.enforceCallingOrSelfPermission( 4540 android.Manifest.permission.CLEAR_APP_CACHE, TAG); 4541 mHandler.post(() -> { 4542 boolean success = false; 4543 try { 4544 freeStorage(volumeUuid, freeStorageSize, storageFlags); 4545 success = true; 4546 } catch (IOException e) { 4547 Slog.w(TAG, e); 4548 } 4549 if (pi != null) { 4550 try { 4551 pi.sendIntent(null, success ? 1 : 0, null, null, null); 4552 } catch (SendIntentException e) { 4553 Slog.w(TAG, e); 4554 } 4555 } 4556 }); 4557 } 4558 4559 /** 4560 * Blocking call to clear various types of cached data across the system 4561 * until the requested bytes are available. 4562 */ 4563 public void freeStorage(String volumeUuid, long bytes, int storageFlags) throws IOException { 4564 final StorageManager storage = mContext.getSystemService(StorageManager.class); 4565 final File file = storage.findPathForUuid(volumeUuid); 4566 if (file.getUsableSpace() >= bytes) return; 4567 4568 if (ENABLE_FREE_CACHE_V2) { 4569 final boolean internalVolume = Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, 4570 volumeUuid); 4571 final boolean aggressive = (storageFlags 4572 & StorageManager.FLAG_ALLOCATE_AGGRESSIVE) != 0; 4573 final long reservedBytes = storage.getStorageCacheBytes(file, storageFlags); 4574 4575 // 1. Pre-flight to determine if we have any chance to succeed 4576 // 2. Consider preloaded data (after 1w honeymoon, unless aggressive) 4577 if (internalVolume && (aggressive || SystemProperties 4578 .getBoolean("persist.sys.preloads.file_cache_expired", false))) { 4579 deletePreloadsFileCache(); 4580 if (file.getUsableSpace() >= bytes) return; 4581 } 4582 4583 // 3. Consider parsed APK data (aggressive only) 4584 if (internalVolume && aggressive) { 4585 FileUtils.deleteContents(mCacheDir); 4586 if (file.getUsableSpace() >= bytes) return; 4587 } 4588 4589 // 4. Consider cached app data (above quotas) 4590 try { 4591 mInstaller.freeCache(volumeUuid, bytes, reservedBytes, 4592 Installer.FLAG_FREE_CACHE_V2); 4593 } catch (InstallerException ignored) { 4594 } 4595 if (file.getUsableSpace() >= bytes) return; 4596 4597 // 5. Consider shared libraries with refcount=0 and age>min cache period 4598 if (internalVolume && pruneUnusedStaticSharedLibraries(bytes, 4599 android.provider.Settings.Global.getLong(mContext.getContentResolver(), 4600 Global.UNUSED_STATIC_SHARED_LIB_MIN_CACHE_PERIOD, 4601 DEFAULT_UNUSED_STATIC_SHARED_LIB_MIN_CACHE_PERIOD))) { 4602 return; 4603 } 4604 4605 // 6. Consider dexopt output (aggressive only) 4606 // TODO: Implement 4607 4608 // 7. Consider installed instant apps unused longer than min cache period 4609 if (internalVolume && mInstantAppRegistry.pruneInstalledInstantApps(bytes, 4610 android.provider.Settings.Global.getLong(mContext.getContentResolver(), 4611 Global.INSTALLED_INSTANT_APP_MIN_CACHE_PERIOD, 4612 InstantAppRegistry.DEFAULT_INSTALLED_INSTANT_APP_MIN_CACHE_PERIOD))) { 4613 return; 4614 } 4615 4616 // 8. Consider cached app data (below quotas) 4617 try { 4618 mInstaller.freeCache(volumeUuid, bytes, reservedBytes, 4619 Installer.FLAG_FREE_CACHE_V2 | Installer.FLAG_FREE_CACHE_V2_DEFY_QUOTA); 4620 } catch (InstallerException ignored) { 4621 } 4622 if (file.getUsableSpace() >= bytes) return; 4623 4624 // 9. Consider DropBox entries 4625 // TODO: Implement 4626 4627 // 10. Consider instant meta-data (uninstalled apps) older that min cache period 4628 if (internalVolume && mInstantAppRegistry.pruneUninstalledInstantApps(bytes, 4629 android.provider.Settings.Global.getLong(mContext.getContentResolver(), 4630 Global.UNINSTALLED_INSTANT_APP_MIN_CACHE_PERIOD, 4631 InstantAppRegistry.DEFAULT_UNINSTALLED_INSTANT_APP_MIN_CACHE_PERIOD))) { 4632 return; 4633 } 4634 } else { 4635 try { 4636 mInstaller.freeCache(volumeUuid, bytes, 0, 0); 4637 } catch (InstallerException ignored) { 4638 } 4639 if (file.getUsableSpace() >= bytes) return; 4640 } 4641 4642 throw new IOException("Failed to free " + bytes + " on storage device at " + file); 4643 } 4644 4645 private boolean pruneUnusedStaticSharedLibraries(long neededSpace, long maxCachePeriod) 4646 throws IOException { 4647 final StorageManager storage = mContext.getSystemService(StorageManager.class); 4648 final File volume = storage.findPathForUuid(StorageManager.UUID_PRIVATE_INTERNAL); 4649 4650 List<VersionedPackage> packagesToDelete = null; 4651 final long now = System.currentTimeMillis(); 4652 4653 synchronized (mPackages) { 4654 final int[] allUsers = sUserManager.getUserIds(); 4655 final int libCount = mSharedLibraries.size(); 4656 for (int i = 0; i < libCount; i++) { 4657 final LongSparseArray<SharedLibraryEntry> versionedLib 4658 = mSharedLibraries.valueAt(i); 4659 if (versionedLib == null) { 4660 continue; 4661 } 4662 final int versionCount = versionedLib.size(); 4663 for (int j = 0; j < versionCount; j++) { 4664 SharedLibraryInfo libInfo = versionedLib.valueAt(j).info; 4665 // Skip packages that are not static shared libs. 4666 if (!libInfo.isStatic()) { 4667 break; 4668 } 4669 // Important: We skip static shared libs used for some user since 4670 // in such a case we need to keep the APK on the device. The check for 4671 // a lib being used for any user is performed by the uninstall call. 4672 final VersionedPackage declaringPackage = libInfo.getDeclaringPackage(); 4673 // Resolve the package name - we use synthetic package names internally 4674 final String internalPackageName = resolveInternalPackageNameLPr( 4675 declaringPackage.getPackageName(), 4676 declaringPackage.getLongVersionCode()); 4677 final PackageSetting ps = mSettings.getPackageLPr(internalPackageName); 4678 // Skip unused static shared libs cached less than the min period 4679 // to prevent pruning a lib needed by a subsequently installed package. 4680 if (ps == null || now - ps.lastUpdateTime < maxCachePeriod) { 4681 continue; 4682 } 4683 if (packagesToDelete == null) { 4684 packagesToDelete = new ArrayList<>(); 4685 } 4686 packagesToDelete.add(new VersionedPackage(internalPackageName, 4687 declaringPackage.getLongVersionCode())); 4688 } 4689 } 4690 } 4691 4692 if (packagesToDelete != null) { 4693 final int packageCount = packagesToDelete.size(); 4694 for (int i = 0; i < packageCount; i++) { 4695 final VersionedPackage pkgToDelete = packagesToDelete.get(i); 4696 // Delete the package synchronously (will fail of the lib used for any user). 4697 if (deletePackageX(pkgToDelete.getPackageName(), pkgToDelete.getLongVersionCode(), 4698 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS) 4699 == PackageManager.DELETE_SUCCEEDED) { 4700 if (volume.getUsableSpace() >= neededSpace) { 4701 return true; 4702 } 4703 } 4704 } 4705 } 4706 4707 return false; 4708 } 4709 4710 /** 4711 * Update given flags based on encryption status of current user. 4712 */ 4713 private int updateFlags(int flags, int userId) { 4714 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 4715 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 4716 // Caller expressed an explicit opinion about what encryption 4717 // aware/unaware components they want to see, so fall through and 4718 // give them what they want 4719 } else { 4720 // Caller expressed no opinion, so match based on user state 4721 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 4722 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 4723 } else { 4724 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 4725 } 4726 } 4727 return flags; 4728 } 4729 4730 private UserManagerInternal getUserManagerInternal() { 4731 if (mUserManagerInternal == null) { 4732 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 4733 } 4734 return mUserManagerInternal; 4735 } 4736 4737 private ActivityManagerInternal getActivityManagerInternal() { 4738 if (mActivityManagerInternal == null) { 4739 mActivityManagerInternal = LocalServices.getService(ActivityManagerInternal.class); 4740 } 4741 return mActivityManagerInternal; 4742 } 4743 4744 4745 private DeviceIdleController.LocalService getDeviceIdleController() { 4746 if (mDeviceIdleController == null) { 4747 mDeviceIdleController = 4748 LocalServices.getService(DeviceIdleController.LocalService.class); 4749 } 4750 return mDeviceIdleController; 4751 } 4752 4753 /** 4754 * Update given flags when being used to request {@link PackageInfo}. 4755 */ 4756 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 4757 final boolean isCallerSystemUser = UserHandle.getCallingUserId() == UserHandle.USER_SYSTEM; 4758 boolean triaged = true; 4759 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 4760 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 4761 // Caller is asking for component details, so they'd better be 4762 // asking for specific encryption matching behavior, or be triaged 4763 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 4764 | PackageManager.MATCH_DIRECT_BOOT_AWARE 4765 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 4766 triaged = false; 4767 } 4768 } 4769 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 4770 | PackageManager.MATCH_SYSTEM_ONLY 4771 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 4772 triaged = false; 4773 } 4774 if ((flags & PackageManager.MATCH_ANY_USER) != 0) { 4775 mPermissionManager.enforceCrossUserPermission( 4776 Binder.getCallingUid(), userId, false, false, 4777 "MATCH_ANY_USER flag requires INTERACT_ACROSS_USERS permission at " 4778 + Debug.getCallers(5)); 4779 } else if ((flags & PackageManager.MATCH_UNINSTALLED_PACKAGES) != 0 && isCallerSystemUser 4780 && sUserManager.hasManagedProfile(UserHandle.USER_SYSTEM)) { 4781 // If the caller wants all packages and has a restricted profile associated with it, 4782 // then match all users. This is to make sure that launchers that need to access work 4783 // profile apps don't start breaking. TODO: Remove this hack when launchers stop using 4784 // MATCH_UNINSTALLED_PACKAGES to query apps in other profiles. b/31000380 4785 flags |= PackageManager.MATCH_ANY_USER; 4786 } 4787 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 4788 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 4789 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 4790 } 4791 return updateFlags(flags, userId); 4792 } 4793 4794 /** 4795 * Update given flags when being used to request {@link ApplicationInfo}. 4796 */ 4797 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 4798 return updateFlagsForPackage(flags, userId, cookie); 4799 } 4800 4801 /** 4802 * Update given flags when being used to request {@link ComponentInfo}. 4803 */ 4804 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 4805 if (cookie instanceof Intent) { 4806 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 4807 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 4808 } 4809 } 4810 4811 boolean triaged = true; 4812 // Caller is asking for component details, so they'd better be 4813 // asking for specific encryption matching behavior, or be triaged 4814 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 4815 | PackageManager.MATCH_DIRECT_BOOT_AWARE 4816 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 4817 triaged = false; 4818 } 4819 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 4820 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 4821 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 4822 } 4823 4824 return updateFlags(flags, userId); 4825 } 4826 4827 /** 4828 * Update given intent when being used to request {@link ResolveInfo}. 4829 */ 4830 private Intent updateIntentForResolve(Intent intent) { 4831 if (intent.getSelector() != null) { 4832 intent = intent.getSelector(); 4833 } 4834 if (DEBUG_PREFERRED) { 4835 intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4836 } 4837 return intent; 4838 } 4839 4840 /** 4841 * Update given flags when being used to request {@link ResolveInfo}. 4842 * <p>Instant apps are resolved specially, depending upon context. Minimally, 4843 * {@code}flags{@code} must have the {@link PackageManager#MATCH_INSTANT} 4844 * flag set. However, this flag is only honoured in three circumstances: 4845 * <ul> 4846 * <li>when called from a system process</li> 4847 * <li>when the caller holds the permission {@code android.permission.ACCESS_INSTANT_APPS}</li> 4848 * <li>when resolution occurs to start an activity with a {@code android.intent.action.VIEW} 4849 * action and a {@code android.intent.category.BROWSABLE} category</li> 4850 * </ul> 4851 */ 4852 int updateFlagsForResolve(int flags, int userId, Intent intent, int callingUid) { 4853 return updateFlagsForResolve(flags, userId, intent, callingUid, 4854 false /*wantInstantApps*/, false /*onlyExposedExplicitly*/); 4855 } 4856 int updateFlagsForResolve(int flags, int userId, Intent intent, int callingUid, 4857 boolean wantInstantApps) { 4858 return updateFlagsForResolve(flags, userId, intent, callingUid, 4859 wantInstantApps, false /*onlyExposedExplicitly*/); 4860 } 4861 int updateFlagsForResolve(int flags, int userId, Intent intent, int callingUid, 4862 boolean wantInstantApps, boolean onlyExposedExplicitly) { 4863 // Safe mode means we shouldn't match any third-party components 4864 if (mSafeMode) { 4865 flags |= PackageManager.MATCH_SYSTEM_ONLY; 4866 } 4867 if (getInstantAppPackageName(callingUid) != null) { 4868 // But, ephemeral apps see both ephemeral and exposed, non-ephemeral components 4869 if (onlyExposedExplicitly) { 4870 flags |= PackageManager.MATCH_EXPLICITLY_VISIBLE_ONLY; 4871 } 4872 flags |= PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY; 4873 flags |= PackageManager.MATCH_INSTANT; 4874 } else { 4875 final boolean wantMatchInstant = (flags & PackageManager.MATCH_INSTANT) != 0; 4876 final boolean allowMatchInstant = wantInstantApps 4877 || (wantMatchInstant && canViewInstantApps(callingUid, userId)); 4878 flags &= ~(PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY 4879 | PackageManager.MATCH_EXPLICITLY_VISIBLE_ONLY); 4880 if (!allowMatchInstant) { 4881 flags &= ~PackageManager.MATCH_INSTANT; 4882 } 4883 } 4884 return updateFlagsForComponent(flags, userId, intent /*cookie*/); 4885 } 4886 4887 @Override 4888 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 4889 return getActivityInfoInternal(component, flags, Binder.getCallingUid(), userId); 4890 } 4891 4892 /** 4893 * Important: The provided filterCallingUid is used exclusively to filter out activities 4894 * that can be seen based on user state. It's typically the original caller uid prior 4895 * to clearing. Because it can only be provided by trusted code, it's value can be 4896 * trusted and will be used as-is; unlike userId which will be validated by this method. 4897 */ 4898 private ActivityInfo getActivityInfoInternal(ComponentName component, int flags, 4899 int filterCallingUid, int userId) { 4900 if (!sUserManager.exists(userId)) return null; 4901 flags = updateFlagsForComponent(flags, userId, component); 4902 4903 if (!isRecentsAccessingChildProfiles(Binder.getCallingUid(), userId)) { 4904 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 4905 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 4906 } 4907 4908 synchronized (mPackages) { 4909 PackageParser.Activity a = mActivities.mActivities.get(component); 4910 4911 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 4912 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 4913 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4914 if (ps == null) return null; 4915 if (filterAppAccessLPr(ps, filterCallingUid, component, TYPE_ACTIVITY, userId)) { 4916 return null; 4917 } 4918 return PackageParser.generateActivityInfo( 4919 a, flags, ps.readUserState(userId), userId); 4920 } 4921 if (mResolveComponentName.equals(component)) { 4922 return PackageParser.generateActivityInfo( 4923 mResolveActivity, flags, new PackageUserState(), userId); 4924 } 4925 } 4926 return null; 4927 } 4928 4929 private boolean isRecentsAccessingChildProfiles(int callingUid, int targetUserId) { 4930 if (!getActivityManagerInternal().isCallerRecents(callingUid)) { 4931 return false; 4932 } 4933 final long token = Binder.clearCallingIdentity(); 4934 try { 4935 final int callingUserId = UserHandle.getUserId(callingUid); 4936 if (ActivityManager.getCurrentUser() != callingUserId) { 4937 return false; 4938 } 4939 return sUserManager.isSameProfileGroup(callingUserId, targetUserId); 4940 } finally { 4941 Binder.restoreCallingIdentity(token); 4942 } 4943 } 4944 4945 @Override 4946 public boolean activitySupportsIntent(ComponentName component, Intent intent, 4947 String resolvedType) { 4948 synchronized (mPackages) { 4949 if (component.equals(mResolveComponentName)) { 4950 // The resolver supports EVERYTHING! 4951 return true; 4952 } 4953 final int callingUid = Binder.getCallingUid(); 4954 final int callingUserId = UserHandle.getUserId(callingUid); 4955 PackageParser.Activity a = mActivities.mActivities.get(component); 4956 if (a == null) { 4957 return false; 4958 } 4959 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4960 if (ps == null) { 4961 return false; 4962 } 4963 if (filterAppAccessLPr(ps, callingUid, component, TYPE_ACTIVITY, callingUserId)) { 4964 return false; 4965 } 4966 for (int i=0; i<a.intents.size(); i++) { 4967 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 4968 intent.getData(), intent.getCategories(), TAG) >= 0) { 4969 return true; 4970 } 4971 } 4972 return false; 4973 } 4974 } 4975 4976 @Override 4977 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 4978 if (!sUserManager.exists(userId)) return null; 4979 final int callingUid = Binder.getCallingUid(); 4980 flags = updateFlagsForComponent(flags, userId, component); 4981 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 4982 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 4983 synchronized (mPackages) { 4984 PackageParser.Activity a = mReceivers.mActivities.get(component); 4985 if (DEBUG_PACKAGE_INFO) Log.v( 4986 TAG, "getReceiverInfo " + component + ": " + a); 4987 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 4988 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4989 if (ps == null) return null; 4990 if (filterAppAccessLPr(ps, callingUid, component, TYPE_RECEIVER, userId)) { 4991 return null; 4992 } 4993 return PackageParser.generateActivityInfo( 4994 a, flags, ps.readUserState(userId), userId); 4995 } 4996 } 4997 return null; 4998 } 4999 5000 @Override 5001 public ParceledListSlice<SharedLibraryInfo> getSharedLibraries(String packageName, 5002 int flags, int userId) { 5003 if (!sUserManager.exists(userId)) return null; 5004 Preconditions.checkArgumentNonnegative(userId, "userId must be >= 0"); 5005 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 5006 return null; 5007 } 5008 5009 flags = updateFlagsForPackage(flags, userId, null); 5010 5011 final boolean canSeeStaticLibraries = 5012 mContext.checkCallingOrSelfPermission(INSTALL_PACKAGES) 5013 == PERMISSION_GRANTED 5014 || mContext.checkCallingOrSelfPermission(DELETE_PACKAGES) 5015 == PERMISSION_GRANTED 5016 || canRequestPackageInstallsInternal(packageName, 5017 PackageManager.MATCH_STATIC_SHARED_LIBRARIES, userId, 5018 false /* throwIfPermNotDeclared*/) 5019 || mContext.checkCallingOrSelfPermission(REQUEST_DELETE_PACKAGES) 5020 == PERMISSION_GRANTED; 5021 5022 synchronized (mPackages) { 5023 List<SharedLibraryInfo> result = null; 5024 5025 final int libCount = mSharedLibraries.size(); 5026 for (int i = 0; i < libCount; i++) { 5027 LongSparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 5028 if (versionedLib == null) { 5029 continue; 5030 } 5031 5032 final int versionCount = versionedLib.size(); 5033 for (int j = 0; j < versionCount; j++) { 5034 SharedLibraryInfo libInfo = versionedLib.valueAt(j).info; 5035 if (!canSeeStaticLibraries && libInfo.isStatic()) { 5036 break; 5037 } 5038 final long identity = Binder.clearCallingIdentity(); 5039 try { 5040 PackageInfo packageInfo = getPackageInfoVersioned( 5041 libInfo.getDeclaringPackage(), flags 5042 | PackageManager.MATCH_STATIC_SHARED_LIBRARIES, userId); 5043 if (packageInfo == null) { 5044 continue; 5045 } 5046 } finally { 5047 Binder.restoreCallingIdentity(identity); 5048 } 5049 5050 SharedLibraryInfo resLibInfo = new SharedLibraryInfo(libInfo.getName(), 5051 libInfo.getLongVersion(), libInfo.getType(), 5052 libInfo.getDeclaringPackage(), getPackagesUsingSharedLibraryLPr(libInfo, 5053 flags, userId)); 5054 5055 if (result == null) { 5056 result = new ArrayList<>(); 5057 } 5058 result.add(resLibInfo); 5059 } 5060 } 5061 5062 return result != null ? new ParceledListSlice<>(result) : null; 5063 } 5064 } 5065 5066 private List<VersionedPackage> getPackagesUsingSharedLibraryLPr( 5067 SharedLibraryInfo libInfo, int flags, int userId) { 5068 List<VersionedPackage> versionedPackages = null; 5069 final int packageCount = mSettings.mPackages.size(); 5070 for (int i = 0; i < packageCount; i++) { 5071 PackageSetting ps = mSettings.mPackages.valueAt(i); 5072 5073 if (ps == null) { 5074 continue; 5075 } 5076 5077 if (!ps.getUserState().get(userId).isAvailable(flags)) { 5078 continue; 5079 } 5080 5081 final String libName = libInfo.getName(); 5082 if (libInfo.isStatic()) { 5083 final int libIdx = ArrayUtils.indexOf(ps.usesStaticLibraries, libName); 5084 if (libIdx < 0) { 5085 continue; 5086 } 5087 if (ps.usesStaticLibrariesVersions[libIdx] != libInfo.getLongVersion()) { 5088 continue; 5089 } 5090 if (versionedPackages == null) { 5091 versionedPackages = new ArrayList<>(); 5092 } 5093 // If the dependent is a static shared lib, use the public package name 5094 String dependentPackageName = ps.name; 5095 if (ps.pkg != null && ps.pkg.applicationInfo.isStaticSharedLibrary()) { 5096 dependentPackageName = ps.pkg.manifestPackageName; 5097 } 5098 versionedPackages.add(new VersionedPackage(dependentPackageName, ps.versionCode)); 5099 } else if (ps.pkg != null) { 5100 if (ArrayUtils.contains(ps.pkg.usesLibraries, libName) 5101 || ArrayUtils.contains(ps.pkg.usesOptionalLibraries, libName)) { 5102 if (versionedPackages == null) { 5103 versionedPackages = new ArrayList<>(); 5104 } 5105 versionedPackages.add(new VersionedPackage(ps.name, ps.versionCode)); 5106 } 5107 } 5108 } 5109 5110 return versionedPackages; 5111 } 5112 5113 @Override 5114 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 5115 if (!sUserManager.exists(userId)) return null; 5116 final int callingUid = Binder.getCallingUid(); 5117 flags = updateFlagsForComponent(flags, userId, component); 5118 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 5119 false /* requireFullPermission */, false /* checkShell */, "get service info"); 5120 synchronized (mPackages) { 5121 PackageParser.Service s = mServices.mServices.get(component); 5122 if (DEBUG_PACKAGE_INFO) Log.v( 5123 TAG, "getServiceInfo " + component + ": " + s); 5124 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 5125 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 5126 if (ps == null) return null; 5127 if (filterAppAccessLPr(ps, callingUid, component, TYPE_SERVICE, userId)) { 5128 return null; 5129 } 5130 return PackageParser.generateServiceInfo( 5131 s, flags, ps.readUserState(userId), userId); 5132 } 5133 } 5134 return null; 5135 } 5136 5137 @Override 5138 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 5139 if (!sUserManager.exists(userId)) return null; 5140 final int callingUid = Binder.getCallingUid(); 5141 flags = updateFlagsForComponent(flags, userId, component); 5142 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 5143 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 5144 synchronized (mPackages) { 5145 PackageParser.Provider p = mProviders.mProviders.get(component); 5146 if (DEBUG_PACKAGE_INFO) Log.v( 5147 TAG, "getProviderInfo " + component + ": " + p); 5148 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 5149 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 5150 if (ps == null) return null; 5151 if (filterAppAccessLPr(ps, callingUid, component, TYPE_PROVIDER, userId)) { 5152 return null; 5153 } 5154 return PackageParser.generateProviderInfo( 5155 p, flags, ps.readUserState(userId), userId); 5156 } 5157 } 5158 return null; 5159 } 5160 5161 @Override 5162 public String[] getSystemSharedLibraryNames() { 5163 // allow instant applications 5164 synchronized (mPackages) { 5165 Set<String> libs = null; 5166 final int libCount = mSharedLibraries.size(); 5167 for (int i = 0; i < libCount; i++) { 5168 LongSparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 5169 if (versionedLib == null) { 5170 continue; 5171 } 5172 final int versionCount = versionedLib.size(); 5173 for (int j = 0; j < versionCount; j++) { 5174 SharedLibraryEntry libEntry = versionedLib.valueAt(j); 5175 if (!libEntry.info.isStatic()) { 5176 if (libs == null) { 5177 libs = new ArraySet<>(); 5178 } 5179 libs.add(libEntry.info.getName()); 5180 break; 5181 } 5182 PackageSetting ps = mSettings.getPackageLPr(libEntry.apk); 5183 if (ps != null && !filterSharedLibPackageLPr(ps, Binder.getCallingUid(), 5184 UserHandle.getUserId(Binder.getCallingUid()), 5185 PackageManager.MATCH_STATIC_SHARED_LIBRARIES)) { 5186 if (libs == null) { 5187 libs = new ArraySet<>(); 5188 } 5189 libs.add(libEntry.info.getName()); 5190 break; 5191 } 5192 } 5193 } 5194 5195 if (libs != null) { 5196 String[] libsArray = new String[libs.size()]; 5197 libs.toArray(libsArray); 5198 return libsArray; 5199 } 5200 5201 return null; 5202 } 5203 } 5204 5205 @Override 5206 public @NonNull String getServicesSystemSharedLibraryPackageName() { 5207 // allow instant applications 5208 synchronized (mPackages) { 5209 return mServicesSystemSharedLibraryPackageName; 5210 } 5211 } 5212 5213 @Override 5214 public @NonNull String getSharedSystemSharedLibraryPackageName() { 5215 // allow instant applications 5216 synchronized (mPackages) { 5217 return mSharedSystemSharedLibraryPackageName; 5218 } 5219 } 5220 5221 private void updateSequenceNumberLP(PackageSetting pkgSetting, int[] userList) { 5222 for (int i = userList.length - 1; i >= 0; --i) { 5223 final int userId = userList[i]; 5224 // don't add instant app to the list of updates 5225 if (pkgSetting.getInstantApp(userId)) { 5226 continue; 5227 } 5228 SparseArray<String> changedPackages = mChangedPackages.get(userId); 5229 if (changedPackages == null) { 5230 changedPackages = new SparseArray<>(); 5231 mChangedPackages.put(userId, changedPackages); 5232 } 5233 Map<String, Integer> sequenceNumbers = mChangedPackagesSequenceNumbers.get(userId); 5234 if (sequenceNumbers == null) { 5235 sequenceNumbers = new HashMap<>(); 5236 mChangedPackagesSequenceNumbers.put(userId, sequenceNumbers); 5237 } 5238 final Integer sequenceNumber = sequenceNumbers.get(pkgSetting.name); 5239 if (sequenceNumber != null) { 5240 changedPackages.remove(sequenceNumber); 5241 } 5242 changedPackages.put(mChangedPackagesSequenceNumber, pkgSetting.name); 5243 sequenceNumbers.put(pkgSetting.name, mChangedPackagesSequenceNumber); 5244 } 5245 mChangedPackagesSequenceNumber++; 5246 } 5247 5248 @Override 5249 public ChangedPackages getChangedPackages(int sequenceNumber, int userId) { 5250 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 5251 return null; 5252 } 5253 synchronized (mPackages) { 5254 if (sequenceNumber >= mChangedPackagesSequenceNumber) { 5255 return null; 5256 } 5257 final SparseArray<String> changedPackages = mChangedPackages.get(userId); 5258 if (changedPackages == null) { 5259 return null; 5260 } 5261 final List<String> packageNames = 5262 new ArrayList<>(mChangedPackagesSequenceNumber - sequenceNumber); 5263 for (int i = sequenceNumber; i < mChangedPackagesSequenceNumber; i++) { 5264 final String packageName = changedPackages.get(i); 5265 if (packageName != null) { 5266 packageNames.add(packageName); 5267 } 5268 } 5269 return packageNames.isEmpty() 5270 ? null : new ChangedPackages(mChangedPackagesSequenceNumber, packageNames); 5271 } 5272 } 5273 5274 @Override 5275 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 5276 // allow instant applications 5277 ArrayList<FeatureInfo> res; 5278 synchronized (mAvailableFeatures) { 5279 res = new ArrayList<>(mAvailableFeatures.size() + 1); 5280 res.addAll(mAvailableFeatures.values()); 5281 } 5282 final FeatureInfo fi = new FeatureInfo(); 5283 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 5284 FeatureInfo.GL_ES_VERSION_UNDEFINED); 5285 res.add(fi); 5286 5287 return new ParceledListSlice<>(res); 5288 } 5289 5290 @Override 5291 public boolean hasSystemFeature(String name, int version) { 5292 // allow instant applications 5293 synchronized (mAvailableFeatures) { 5294 final FeatureInfo feat = mAvailableFeatures.get(name); 5295 if (feat == null) { 5296 return false; 5297 } else { 5298 return feat.version >= version; 5299 } 5300 } 5301 } 5302 5303 @Override 5304 public int checkPermission(String permName, String pkgName, int userId) { 5305 return mPermissionManager.checkPermission(permName, pkgName, getCallingUid(), userId); 5306 } 5307 5308 @Override 5309 public int checkUidPermission(String permName, int uid) { 5310 synchronized (mPackages) { 5311 final String[] packageNames = getPackagesForUid(uid); 5312 final PackageParser.Package pkg = (packageNames != null && packageNames.length > 0) 5313 ? mPackages.get(packageNames[0]) 5314 : null; 5315 return mPermissionManager.checkUidPermission(permName, pkg, uid, getCallingUid()); 5316 } 5317 } 5318 5319 @Override 5320 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 5321 if (UserHandle.getCallingUserId() != userId) { 5322 mContext.enforceCallingPermission( 5323 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 5324 "isPermissionRevokedByPolicy for user " + userId); 5325 } 5326 5327 if (checkPermission(permission, packageName, userId) 5328 == PackageManager.PERMISSION_GRANTED) { 5329 return false; 5330 } 5331 5332 final int callingUid = Binder.getCallingUid(); 5333 if (getInstantAppPackageName(callingUid) != null) { 5334 if (!isCallerSameApp(packageName, callingUid)) { 5335 return false; 5336 } 5337 } else { 5338 if (isInstantApp(packageName, userId)) { 5339 return false; 5340 } 5341 } 5342 5343 final long identity = Binder.clearCallingIdentity(); 5344 try { 5345 final int flags = getPermissionFlags(permission, packageName, userId); 5346 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 5347 } finally { 5348 Binder.restoreCallingIdentity(identity); 5349 } 5350 } 5351 5352 @Override 5353 public String getPermissionControllerPackageName() { 5354 synchronized (mPackages) { 5355 return mRequiredInstallerPackage; 5356 } 5357 } 5358 5359 private boolean addDynamicPermission(PermissionInfo info, final boolean async) { 5360 return mPermissionManager.addDynamicPermission( 5361 info, async, getCallingUid(), new PermissionCallback() { 5362 @Override 5363 public void onPermissionChanged() { 5364 if (!async) { 5365 mSettings.writeLPr(); 5366 } else { 5367 scheduleWriteSettingsLocked(); 5368 } 5369 } 5370 }); 5371 } 5372 5373 @Override 5374 public boolean addPermission(PermissionInfo info) { 5375 synchronized (mPackages) { 5376 return addDynamicPermission(info, false); 5377 } 5378 } 5379 5380 @Override 5381 public boolean addPermissionAsync(PermissionInfo info) { 5382 synchronized (mPackages) { 5383 return addDynamicPermission(info, true); 5384 } 5385 } 5386 5387 @Override 5388 public void removePermission(String permName) { 5389 mPermissionManager.removeDynamicPermission(permName, getCallingUid(), mPermissionCallback); 5390 } 5391 5392 @Override 5393 public void grantRuntimePermission(String packageName, String permName, final int userId) { 5394 mPermissionManager.grantRuntimePermission(permName, packageName, false /*overridePolicy*/, 5395 getCallingUid(), userId, mPermissionCallback); 5396 } 5397 5398 @Override 5399 public void revokeRuntimePermission(String packageName, String permName, int userId) { 5400 mPermissionManager.revokeRuntimePermission(permName, packageName, false /*overridePolicy*/, 5401 getCallingUid(), userId, mPermissionCallback); 5402 } 5403 5404 @Override 5405 public void resetRuntimePermissions() { 5406 mContext.enforceCallingOrSelfPermission( 5407 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 5408 "revokeRuntimePermission"); 5409 5410 int callingUid = Binder.getCallingUid(); 5411 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 5412 mContext.enforceCallingOrSelfPermission( 5413 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 5414 "resetRuntimePermissions"); 5415 } 5416 5417 synchronized (mPackages) { 5418 mPermissionManager.updateAllPermissions( 5419 StorageManager.UUID_PRIVATE_INTERNAL, false, mPackages.values(), 5420 mPermissionCallback); 5421 for (int userId : UserManagerService.getInstance().getUserIds()) { 5422 final int packageCount = mPackages.size(); 5423 for (int i = 0; i < packageCount; i++) { 5424 PackageParser.Package pkg = mPackages.valueAt(i); 5425 if (!(pkg.mExtras instanceof PackageSetting)) { 5426 continue; 5427 } 5428 PackageSetting ps = (PackageSetting) pkg.mExtras; 5429 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 5430 } 5431 } 5432 } 5433 } 5434 5435 @Override 5436 public int getPermissionFlags(String permName, String packageName, int userId) { 5437 return mPermissionManager.getPermissionFlags( 5438 permName, packageName, getCallingUid(), userId); 5439 } 5440 5441 @Override 5442 public void updatePermissionFlags(String permName, String packageName, int flagMask, 5443 int flagValues, int userId) { 5444 mPermissionManager.updatePermissionFlags( 5445 permName, packageName, flagMask, flagValues, getCallingUid(), userId, 5446 mPermissionCallback); 5447 } 5448 5449 /** 5450 * Update the permission flags for all packages and runtime permissions of a user in order 5451 * to allow device or profile owner to remove POLICY_FIXED. 5452 */ 5453 @Override 5454 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 5455 synchronized (mPackages) { 5456 final boolean changed = mPermissionManager.updatePermissionFlagsForAllApps( 5457 flagMask, flagValues, getCallingUid(), userId, mPackages.values(), 5458 mPermissionCallback); 5459 if (changed) { 5460 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 5461 } 5462 } 5463 } 5464 5465 @Override 5466 public boolean shouldShowRequestPermissionRationale(String permissionName, 5467 String packageName, int userId) { 5468 if (UserHandle.getCallingUserId() != userId) { 5469 mContext.enforceCallingPermission( 5470 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 5471 "canShowRequestPermissionRationale for user " + userId); 5472 } 5473 5474 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 5475 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 5476 return false; 5477 } 5478 5479 if (checkPermission(permissionName, packageName, userId) 5480 == PackageManager.PERMISSION_GRANTED) { 5481 return false; 5482 } 5483 5484 final int flags; 5485 5486 final long identity = Binder.clearCallingIdentity(); 5487 try { 5488 flags = getPermissionFlags(permissionName, 5489 packageName, userId); 5490 } finally { 5491 Binder.restoreCallingIdentity(identity); 5492 } 5493 5494 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 5495 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 5496 | PackageManager.FLAG_PERMISSION_USER_FIXED; 5497 5498 if ((flags & fixedFlags) != 0) { 5499 return false; 5500 } 5501 5502 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 5503 } 5504 5505 @Override 5506 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 5507 mContext.enforceCallingOrSelfPermission( 5508 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 5509 "addOnPermissionsChangeListener"); 5510 5511 synchronized (mPackages) { 5512 mOnPermissionChangeListeners.addListenerLocked(listener); 5513 } 5514 } 5515 5516 @Override 5517 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 5518 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 5519 throw new SecurityException("Instant applications don't have access to this method"); 5520 } 5521 synchronized (mPackages) { 5522 mOnPermissionChangeListeners.removeListenerLocked(listener); 5523 } 5524 } 5525 5526 @Override 5527 public boolean isProtectedBroadcast(String actionName) { 5528 // allow instant applications 5529 synchronized (mProtectedBroadcasts) { 5530 if (mProtectedBroadcasts.contains(actionName)) { 5531 return true; 5532 } else if (actionName != null) { 5533 // TODO: remove these terrible hacks 5534 if (actionName.startsWith("android.net.netmon.lingerExpired") 5535 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 5536 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 5537 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 5538 return true; 5539 } 5540 } 5541 } 5542 return false; 5543 } 5544 5545 @Override 5546 public int checkSignatures(String pkg1, String pkg2) { 5547 synchronized (mPackages) { 5548 final PackageParser.Package p1 = mPackages.get(pkg1); 5549 final PackageParser.Package p2 = mPackages.get(pkg2); 5550 if (p1 == null || p1.mExtras == null 5551 || p2 == null || p2.mExtras == null) { 5552 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5553 } 5554 final int callingUid = Binder.getCallingUid(); 5555 final int callingUserId = UserHandle.getUserId(callingUid); 5556 final PackageSetting ps1 = (PackageSetting) p1.mExtras; 5557 final PackageSetting ps2 = (PackageSetting) p2.mExtras; 5558 if (filterAppAccessLPr(ps1, callingUid, callingUserId) 5559 || filterAppAccessLPr(ps2, callingUid, callingUserId)) { 5560 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5561 } 5562 return compareSignatures(p1.mSigningDetails.signatures, p2.mSigningDetails.signatures); 5563 } 5564 } 5565 5566 @Override 5567 public int checkUidSignatures(int uid1, int uid2) { 5568 final int callingUid = Binder.getCallingUid(); 5569 final int callingUserId = UserHandle.getUserId(callingUid); 5570 final boolean isCallerInstantApp = getInstantAppPackageName(callingUid) != null; 5571 // Map to base uids. 5572 uid1 = UserHandle.getAppId(uid1); 5573 uid2 = UserHandle.getAppId(uid2); 5574 // reader 5575 synchronized (mPackages) { 5576 Signature[] s1; 5577 Signature[] s2; 5578 Object obj = mSettings.getUserIdLPr(uid1); 5579 if (obj != null) { 5580 if (obj instanceof SharedUserSetting) { 5581 if (isCallerInstantApp) { 5582 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5583 } 5584 s1 = ((SharedUserSetting)obj).signatures.mSigningDetails.signatures; 5585 } else if (obj instanceof PackageSetting) { 5586 final PackageSetting ps = (PackageSetting) obj; 5587 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 5588 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5589 } 5590 s1 = ps.signatures.mSigningDetails.signatures; 5591 } else { 5592 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5593 } 5594 } else { 5595 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5596 } 5597 obj = mSettings.getUserIdLPr(uid2); 5598 if (obj != null) { 5599 if (obj instanceof SharedUserSetting) { 5600 if (isCallerInstantApp) { 5601 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5602 } 5603 s2 = ((SharedUserSetting)obj).signatures.mSigningDetails.signatures; 5604 } else if (obj instanceof PackageSetting) { 5605 final PackageSetting ps = (PackageSetting) obj; 5606 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 5607 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5608 } 5609 s2 = ps.signatures.mSigningDetails.signatures; 5610 } else { 5611 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5612 } 5613 } else { 5614 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5615 } 5616 return compareSignatures(s1, s2); 5617 } 5618 } 5619 5620 @Override 5621 public boolean hasSigningCertificate( 5622 String packageName, byte[] certificate, @PackageManager.CertificateInputType int type) { 5623 5624 synchronized (mPackages) { 5625 final PackageParser.Package p = mPackages.get(packageName); 5626 if (p == null || p.mExtras == null) { 5627 return false; 5628 } 5629 final int callingUid = Binder.getCallingUid(); 5630 final int callingUserId = UserHandle.getUserId(callingUid); 5631 final PackageSetting ps = (PackageSetting) p.mExtras; 5632 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 5633 return false; 5634 } 5635 switch (type) { 5636 case CERT_INPUT_RAW_X509: 5637 return p.mSigningDetails.hasCertificate(certificate); 5638 case CERT_INPUT_SHA256: 5639 return p.mSigningDetails.hasSha256Certificate(certificate); 5640 default: 5641 return false; 5642 } 5643 } 5644 } 5645 5646 @Override 5647 public boolean hasUidSigningCertificate( 5648 int uid, byte[] certificate, @PackageManager.CertificateInputType int type) { 5649 final int callingUid = Binder.getCallingUid(); 5650 final int callingUserId = UserHandle.getUserId(callingUid); 5651 // Map to base uids. 5652 uid = UserHandle.getAppId(uid); 5653 // reader 5654 synchronized (mPackages) { 5655 final PackageParser.SigningDetails signingDetails; 5656 final Object obj = mSettings.getUserIdLPr(uid); 5657 if (obj != null) { 5658 if (obj instanceof SharedUserSetting) { 5659 final boolean isCallerInstantApp = getInstantAppPackageName(callingUid) != null; 5660 if (isCallerInstantApp) { 5661 return false; 5662 } 5663 signingDetails = ((SharedUserSetting)obj).signatures.mSigningDetails; 5664 } else if (obj instanceof PackageSetting) { 5665 final PackageSetting ps = (PackageSetting) obj; 5666 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 5667 return false; 5668 } 5669 signingDetails = ps.signatures.mSigningDetails; 5670 } else { 5671 return false; 5672 } 5673 } else { 5674 return false; 5675 } 5676 switch (type) { 5677 case CERT_INPUT_RAW_X509: 5678 return signingDetails.hasCertificate(certificate); 5679 case CERT_INPUT_SHA256: 5680 return signingDetails.hasSha256Certificate(certificate); 5681 default: 5682 return false; 5683 } 5684 } 5685 } 5686 5687 /** 5688 * This method should typically only be used when granting or revoking 5689 * permissions, since the app may immediately restart after this call. 5690 * <p> 5691 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 5692 * guard your work against the app being relaunched. 5693 */ 5694 private void killUid(int appId, int userId, String reason) { 5695 final long identity = Binder.clearCallingIdentity(); 5696 try { 5697 IActivityManager am = ActivityManager.getService(); 5698 if (am != null) { 5699 try { 5700 am.killUid(appId, userId, reason); 5701 } catch (RemoteException e) { 5702 /* ignore - same process */ 5703 } 5704 } 5705 } finally { 5706 Binder.restoreCallingIdentity(identity); 5707 } 5708 } 5709 5710 /** 5711 * If the database version for this type of package (internal storage or 5712 * external storage) is less than the version where package signatures 5713 * were updated, return true. 5714 */ 5715 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 5716 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 5717 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 5718 } 5719 5720 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 5721 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 5722 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 5723 } 5724 5725 @Override 5726 public List<String> getAllPackages() { 5727 final int callingUid = Binder.getCallingUid(); 5728 final int callingUserId = UserHandle.getUserId(callingUid); 5729 synchronized (mPackages) { 5730 if (canViewInstantApps(callingUid, callingUserId)) { 5731 return new ArrayList<String>(mPackages.keySet()); 5732 } 5733 final String instantAppPkgName = getInstantAppPackageName(callingUid); 5734 final List<String> result = new ArrayList<>(); 5735 if (instantAppPkgName != null) { 5736 // caller is an instant application; filter unexposed applications 5737 for (PackageParser.Package pkg : mPackages.values()) { 5738 if (!pkg.visibleToInstantApps) { 5739 continue; 5740 } 5741 result.add(pkg.packageName); 5742 } 5743 } else { 5744 // caller is a normal application; filter instant applications 5745 for (PackageParser.Package pkg : mPackages.values()) { 5746 final PackageSetting ps = 5747 pkg.mExtras != null ? (PackageSetting) pkg.mExtras : null; 5748 if (ps != null 5749 && ps.getInstantApp(callingUserId) 5750 && !mInstantAppRegistry.isInstantAccessGranted( 5751 callingUserId, UserHandle.getAppId(callingUid), ps.appId)) { 5752 continue; 5753 } 5754 result.add(pkg.packageName); 5755 } 5756 } 5757 return result; 5758 } 5759 } 5760 5761 @Override 5762 public String[] getPackagesForUid(int uid) { 5763 final int callingUid = Binder.getCallingUid(); 5764 final boolean isCallerInstantApp = getInstantAppPackageName(callingUid) != null; 5765 final int userId = UserHandle.getUserId(uid); 5766 uid = UserHandle.getAppId(uid); 5767 // reader 5768 synchronized (mPackages) { 5769 Object obj = mSettings.getUserIdLPr(uid); 5770 if (obj instanceof SharedUserSetting) { 5771 if (isCallerInstantApp) { 5772 return null; 5773 } 5774 final SharedUserSetting sus = (SharedUserSetting) obj; 5775 final int N = sus.packages.size(); 5776 String[] res = new String[N]; 5777 final Iterator<PackageSetting> it = sus.packages.iterator(); 5778 int i = 0; 5779 while (it.hasNext()) { 5780 PackageSetting ps = it.next(); 5781 if (ps.getInstalled(userId)) { 5782 res[i++] = ps.name; 5783 } else { 5784 res = ArrayUtils.removeElement(String.class, res, res[i]); 5785 } 5786 } 5787 return res; 5788 } else if (obj instanceof PackageSetting) { 5789 final PackageSetting ps = (PackageSetting) obj; 5790 if (ps.getInstalled(userId) && !filterAppAccessLPr(ps, callingUid, userId)) { 5791 return new String[]{ps.name}; 5792 } 5793 } 5794 } 5795 return null; 5796 } 5797 5798 @Override 5799 public String getNameForUid(int uid) { 5800 final int callingUid = Binder.getCallingUid(); 5801 if (getInstantAppPackageName(callingUid) != null) { 5802 return null; 5803 } 5804 synchronized (mPackages) { 5805 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5806 if (obj instanceof SharedUserSetting) { 5807 final SharedUserSetting sus = (SharedUserSetting) obj; 5808 return sus.name + ":" + sus.userId; 5809 } else if (obj instanceof PackageSetting) { 5810 final PackageSetting ps = (PackageSetting) obj; 5811 if (filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 5812 return null; 5813 } 5814 return ps.name; 5815 } 5816 return null; 5817 } 5818 } 5819 5820 @Override 5821 public String[] getNamesForUids(int[] uids) { 5822 if (uids == null || uids.length == 0) { 5823 return null; 5824 } 5825 final int callingUid = Binder.getCallingUid(); 5826 if (getInstantAppPackageName(callingUid) != null) { 5827 return null; 5828 } 5829 final String[] names = new String[uids.length]; 5830 synchronized (mPackages) { 5831 for (int i = uids.length - 1; i >= 0; i--) { 5832 final int uid = uids[i]; 5833 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5834 if (obj instanceof SharedUserSetting) { 5835 final SharedUserSetting sus = (SharedUserSetting) obj; 5836 names[i] = "shared:" + sus.name; 5837 } else if (obj instanceof PackageSetting) { 5838 final PackageSetting ps = (PackageSetting) obj; 5839 if (filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 5840 names[i] = null; 5841 } else { 5842 names[i] = ps.name; 5843 } 5844 } else { 5845 names[i] = null; 5846 } 5847 } 5848 } 5849 return names; 5850 } 5851 5852 @Override 5853 public int getUidForSharedUser(String sharedUserName) { 5854 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 5855 return -1; 5856 } 5857 if (sharedUserName == null) { 5858 return -1; 5859 } 5860 // reader 5861 synchronized (mPackages) { 5862 SharedUserSetting suid; 5863 try { 5864 suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 5865 if (suid != null) { 5866 return suid.userId; 5867 } 5868 } catch (PackageManagerException ignore) { 5869 // can't happen, but, still need to catch it 5870 } 5871 return -1; 5872 } 5873 } 5874 5875 @Override 5876 public int getFlagsForUid(int uid) { 5877 final int callingUid = Binder.getCallingUid(); 5878 if (getInstantAppPackageName(callingUid) != null) { 5879 return 0; 5880 } 5881 synchronized (mPackages) { 5882 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5883 if (obj instanceof SharedUserSetting) { 5884 final SharedUserSetting sus = (SharedUserSetting) obj; 5885 return sus.pkgFlags; 5886 } else if (obj instanceof PackageSetting) { 5887 final PackageSetting ps = (PackageSetting) obj; 5888 if (filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 5889 return 0; 5890 } 5891 return ps.pkgFlags; 5892 } 5893 } 5894 return 0; 5895 } 5896 5897 @Override 5898 public int getPrivateFlagsForUid(int uid) { 5899 final int callingUid = Binder.getCallingUid(); 5900 if (getInstantAppPackageName(callingUid) != null) { 5901 return 0; 5902 } 5903 synchronized (mPackages) { 5904 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5905 if (obj instanceof SharedUserSetting) { 5906 final SharedUserSetting sus = (SharedUserSetting) obj; 5907 return sus.pkgPrivateFlags; 5908 } else if (obj instanceof PackageSetting) { 5909 final PackageSetting ps = (PackageSetting) obj; 5910 if (filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 5911 return 0; 5912 } 5913 return ps.pkgPrivateFlags; 5914 } 5915 } 5916 return 0; 5917 } 5918 5919 @Override 5920 public boolean isUidPrivileged(int uid) { 5921 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 5922 return false; 5923 } 5924 uid = UserHandle.getAppId(uid); 5925 // reader 5926 synchronized (mPackages) { 5927 Object obj = mSettings.getUserIdLPr(uid); 5928 if (obj instanceof SharedUserSetting) { 5929 final SharedUserSetting sus = (SharedUserSetting) obj; 5930 final Iterator<PackageSetting> it = sus.packages.iterator(); 5931 while (it.hasNext()) { 5932 if (it.next().isPrivileged()) { 5933 return true; 5934 } 5935 } 5936 } else if (obj instanceof PackageSetting) { 5937 final PackageSetting ps = (PackageSetting) obj; 5938 return ps.isPrivileged(); 5939 } 5940 } 5941 return false; 5942 } 5943 5944 @Override 5945 public String[] getAppOpPermissionPackages(String permName) { 5946 return mPermissionManager.getAppOpPermissionPackages(permName); 5947 } 5948 5949 @Override 5950 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 5951 int flags, int userId) { 5952 return resolveIntentInternal(intent, resolvedType, flags, userId, false, 5953 Binder.getCallingUid()); 5954 } 5955 5956 /** 5957 * Normally instant apps can only be resolved when they're visible to the caller. 5958 * However, if {@code resolveForStart} is {@code true}, all instant apps are visible 5959 * since we need to allow the system to start any installed application. 5960 */ 5961 private ResolveInfo resolveIntentInternal(Intent intent, String resolvedType, 5962 int flags, int userId, boolean resolveForStart, int filterCallingUid) { 5963 try { 5964 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 5965 5966 if (!sUserManager.exists(userId)) return null; 5967 final int callingUid = Binder.getCallingUid(); 5968 flags = updateFlagsForResolve(flags, userId, intent, filterCallingUid, resolveForStart); 5969 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 5970 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 5971 5972 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5973 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 5974 flags, filterCallingUid, userId, resolveForStart, true /*allowDynamicSplits*/); 5975 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5976 5977 final ResolveInfo bestChoice = 5978 chooseBestActivity(intent, resolvedType, flags, query, userId); 5979 return bestChoice; 5980 } finally { 5981 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5982 } 5983 } 5984 5985 @Override 5986 public ResolveInfo findPersistentPreferredActivity(Intent intent, int userId) { 5987 if (!UserHandle.isSameApp(Binder.getCallingUid(), Process.SYSTEM_UID)) { 5988 throw new SecurityException( 5989 "findPersistentPreferredActivity can only be run by the system"); 5990 } 5991 if (!sUserManager.exists(userId)) { 5992 return null; 5993 } 5994 final int callingUid = Binder.getCallingUid(); 5995 intent = updateIntentForResolve(intent); 5996 final String resolvedType = intent.resolveTypeIfNeeded(mContext.getContentResolver()); 5997 final int flags = updateFlagsForResolve( 5998 0, userId, intent, callingUid, false /*includeInstantApps*/); 5999 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 6000 userId); 6001 synchronized (mPackages) { 6002 return findPersistentPreferredActivityLP(intent, resolvedType, flags, query, false, 6003 userId); 6004 } 6005 } 6006 6007 @Override 6008 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 6009 IntentFilter filter, int match, ComponentName activity) { 6010 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 6011 return; 6012 } 6013 final int userId = UserHandle.getCallingUserId(); 6014 if (DEBUG_PREFERRED) { 6015 Log.v(TAG, "setLastChosenActivity intent=" + intent 6016 + " resolvedType=" + resolvedType 6017 + " flags=" + flags 6018 + " filter=" + filter 6019 + " match=" + match 6020 + " activity=" + activity); 6021 filter.dump(new PrintStreamPrinter(System.out), " "); 6022 } 6023 intent.setComponent(null); 6024 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 6025 userId); 6026 // Find any earlier preferred or last chosen entries and nuke them 6027 findPreferredActivity(intent, resolvedType, 6028 flags, query, 0, false, true, false, userId); 6029 // Add the new activity as the last chosen for this filter 6030 addPreferredActivityInternal(filter, match, null, activity, false, userId, 6031 "Setting last chosen"); 6032 } 6033 6034 @Override 6035 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 6036 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 6037 return null; 6038 } 6039 final int userId = UserHandle.getCallingUserId(); 6040 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 6041 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 6042 userId); 6043 return findPreferredActivity(intent, resolvedType, flags, query, 0, 6044 false, false, false, userId); 6045 } 6046 6047 /** 6048 * Returns whether or not instant apps have been disabled remotely. 6049 */ 6050 private boolean areWebInstantAppsDisabled() { 6051 return mWebInstantAppsDisabled; 6052 } 6053 6054 private boolean isInstantAppResolutionAllowed( 6055 Intent intent, List<ResolveInfo> resolvedActivities, int userId, 6056 boolean skipPackageCheck) { 6057 if (mInstantAppResolverConnection == null) { 6058 return false; 6059 } 6060 if (mInstantAppInstallerActivity == null) { 6061 return false; 6062 } 6063 if (intent.getComponent() != null) { 6064 return false; 6065 } 6066 if ((intent.getFlags() & Intent.FLAG_IGNORE_EPHEMERAL) != 0) { 6067 return false; 6068 } 6069 if (!skipPackageCheck && intent.getPackage() != null) { 6070 return false; 6071 } 6072 if (!intent.isWebIntent()) { 6073 // for non web intents, we should not resolve externally if an app already exists to 6074 // handle it or if the caller didn't explicitly request it. 6075 if ((resolvedActivities != null && resolvedActivities.size() != 0) 6076 || (intent.getFlags() & Intent.FLAG_ACTIVITY_MATCH_EXTERNAL) == 0) { 6077 return false; 6078 } 6079 } else { 6080 if (intent.getData() == null || TextUtils.isEmpty(intent.getData().getHost())) { 6081 return false; 6082 } else if (areWebInstantAppsDisabled()) { 6083 return false; 6084 } 6085 } 6086 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 6087 // Or if there's already an ephemeral app installed that handles the action 6088 synchronized (mPackages) { 6089 final int count = (resolvedActivities == null ? 0 : resolvedActivities.size()); 6090 for (int n = 0; n < count; n++) { 6091 final ResolveInfo info = resolvedActivities.get(n); 6092 final String packageName = info.activityInfo.packageName; 6093 final PackageSetting ps = mSettings.mPackages.get(packageName); 6094 if (ps != null) { 6095 // only check domain verification status if the app is not a browser 6096 if (!info.handleAllWebDataURI) { 6097 // Try to get the status from User settings first 6098 final long packedStatus = getDomainVerificationStatusLPr(ps, userId); 6099 final int status = (int) (packedStatus >> 32); 6100 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 6101 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 6102 if (DEBUG_INSTANT) { 6103 Slog.v(TAG, "DENY instant app;" 6104 + " pkg: " + packageName + ", status: " + status); 6105 } 6106 return false; 6107 } 6108 } 6109 if (ps.getInstantApp(userId)) { 6110 if (DEBUG_INSTANT) { 6111 Slog.v(TAG, "DENY instant app installed;" 6112 + " pkg: " + packageName); 6113 } 6114 return false; 6115 } 6116 } 6117 } 6118 } 6119 // We've exhausted all ways to deny ephemeral application; let the system look for them. 6120 return true; 6121 } 6122 6123 private void requestInstantAppResolutionPhaseTwo(AuxiliaryResolveInfo responseObj, 6124 Intent origIntent, String resolvedType, String callingPackage, 6125 Bundle verificationBundle, int userId) { 6126 final Message msg = mHandler.obtainMessage(INSTANT_APP_RESOLUTION_PHASE_TWO, 6127 new InstantAppRequest(responseObj, origIntent, resolvedType, 6128 callingPackage, userId, verificationBundle, false /*resolveForStart*/)); 6129 mHandler.sendMessage(msg); 6130 } 6131 6132 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 6133 int flags, List<ResolveInfo> query, int userId) { 6134 if (query != null) { 6135 final int N = query.size(); 6136 if (N == 1) { 6137 return query.get(0); 6138 } else if (N > 1) { 6139 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 6140 // If there is more than one activity with the same priority, 6141 // then let the user decide between them. 6142 ResolveInfo r0 = query.get(0); 6143 ResolveInfo r1 = query.get(1); 6144 if (DEBUG_INTENT_MATCHING || debug) { 6145 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 6146 + r1.activityInfo.name + "=" + r1.priority); 6147 } 6148 // If the first activity has a higher priority, or a different 6149 // default, then it is always desirable to pick it. 6150 if (r0.priority != r1.priority 6151 || r0.preferredOrder != r1.preferredOrder 6152 || r0.isDefault != r1.isDefault) { 6153 return query.get(0); 6154 } 6155 // If we have saved a preference for a preferred activity for 6156 // this Intent, use that. 6157 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 6158 flags, query, r0.priority, true, false, debug, userId); 6159 if (ri != null) { 6160 return ri; 6161 } 6162 // If we have an ephemeral app, use it 6163 for (int i = 0; i < N; i++) { 6164 ri = query.get(i); 6165 if (ri.activityInfo.applicationInfo.isInstantApp()) { 6166 final String packageName = ri.activityInfo.packageName; 6167 final PackageSetting ps = mSettings.mPackages.get(packageName); 6168 final long packedStatus = getDomainVerificationStatusLPr(ps, userId); 6169 final int status = (int)(packedStatus >> 32); 6170 if (status != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 6171 return ri; 6172 } 6173 } 6174 } 6175 ri = new ResolveInfo(mResolveInfo); 6176 ri.activityInfo = new ActivityInfo(ri.activityInfo); 6177 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 6178 // If all of the options come from the same package, show the application's 6179 // label and icon instead of the generic resolver's. 6180 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 6181 // and then throw away the ResolveInfo itself, meaning that the caller loses 6182 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 6183 // a fallback for this case; we only set the target package's resources on 6184 // the ResolveInfo, not the ActivityInfo. 6185 final String intentPackage = intent.getPackage(); 6186 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 6187 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 6188 ri.resolvePackageName = intentPackage; 6189 if (userNeedsBadging(userId)) { 6190 ri.noResourceId = true; 6191 } else { 6192 ri.icon = appi.icon; 6193 } 6194 ri.iconResourceId = appi.icon; 6195 ri.labelRes = appi.labelRes; 6196 } 6197 ri.activityInfo.applicationInfo = new ApplicationInfo( 6198 ri.activityInfo.applicationInfo); 6199 if (userId != 0) { 6200 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 6201 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 6202 } 6203 // Make sure that the resolver is displayable in car mode 6204 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 6205 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 6206 return ri; 6207 } 6208 } 6209 return null; 6210 } 6211 6212 /** 6213 * Return true if the given list is not empty and all of its contents have 6214 * an activityInfo with the given package name. 6215 */ 6216 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 6217 if (ArrayUtils.isEmpty(list)) { 6218 return false; 6219 } 6220 for (int i = 0, N = list.size(); i < N; i++) { 6221 final ResolveInfo ri = list.get(i); 6222 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 6223 if (ai == null || !packageName.equals(ai.packageName)) { 6224 return false; 6225 } 6226 } 6227 return true; 6228 } 6229 6230 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 6231 int flags, List<ResolveInfo> query, boolean debug, int userId) { 6232 final int N = query.size(); 6233 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 6234 .get(userId); 6235 // Get the list of persistent preferred activities that handle the intent 6236 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 6237 List<PersistentPreferredActivity> pprefs = ppir != null 6238 ? ppir.queryIntent(intent, resolvedType, 6239 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 6240 userId) 6241 : null; 6242 if (pprefs != null && pprefs.size() > 0) { 6243 final int M = pprefs.size(); 6244 for (int i=0; i<M; i++) { 6245 final PersistentPreferredActivity ppa = pprefs.get(i); 6246 if (DEBUG_PREFERRED || debug) { 6247 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 6248 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 6249 + "\n component=" + ppa.mComponent); 6250 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 6251 } 6252 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 6253 flags | MATCH_DISABLED_COMPONENTS, userId); 6254 if (DEBUG_PREFERRED || debug) { 6255 Slog.v(TAG, "Found persistent preferred activity:"); 6256 if (ai != null) { 6257 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 6258 } else { 6259 Slog.v(TAG, " null"); 6260 } 6261 } 6262 if (ai == null) { 6263 // This previously registered persistent preferred activity 6264 // component is no longer known. Ignore it and do NOT remove it. 6265 continue; 6266 } 6267 for (int j=0; j<N; j++) { 6268 final ResolveInfo ri = query.get(j); 6269 if (!ri.activityInfo.applicationInfo.packageName 6270 .equals(ai.applicationInfo.packageName)) { 6271 continue; 6272 } 6273 if (!ri.activityInfo.name.equals(ai.name)) { 6274 continue; 6275 } 6276 // Found a persistent preference that can handle the intent. 6277 if (DEBUG_PREFERRED || debug) { 6278 Slog.v(TAG, "Returning persistent preferred activity: " + 6279 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 6280 } 6281 return ri; 6282 } 6283 } 6284 } 6285 return null; 6286 } 6287 6288 // TODO: handle preferred activities missing while user has amnesia 6289 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 6290 List<ResolveInfo> query, int priority, boolean always, 6291 boolean removeMatches, boolean debug, int userId) { 6292 if (!sUserManager.exists(userId)) return null; 6293 final int callingUid = Binder.getCallingUid(); 6294 flags = updateFlagsForResolve( 6295 flags, userId, intent, callingUid, false /*includeInstantApps*/); 6296 intent = updateIntentForResolve(intent); 6297 // writer 6298 synchronized (mPackages) { 6299 // Try to find a matching persistent preferred activity. 6300 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 6301 debug, userId); 6302 6303 // If a persistent preferred activity matched, use it. 6304 if (pri != null) { 6305 return pri; 6306 } 6307 6308 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 6309 // Get the list of preferred activities that handle the intent 6310 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 6311 List<PreferredActivity> prefs = pir != null 6312 ? pir.queryIntent(intent, resolvedType, 6313 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 6314 userId) 6315 : null; 6316 if (prefs != null && prefs.size() > 0) { 6317 boolean changed = false; 6318 try { 6319 // First figure out how good the original match set is. 6320 // We will only allow preferred activities that came 6321 // from the same match quality. 6322 int match = 0; 6323 6324 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 6325 6326 final int N = query.size(); 6327 for (int j=0; j<N; j++) { 6328 final ResolveInfo ri = query.get(j); 6329 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 6330 + ": 0x" + Integer.toHexString(match)); 6331 if (ri.match > match) { 6332 match = ri.match; 6333 } 6334 } 6335 6336 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 6337 + Integer.toHexString(match)); 6338 6339 match &= IntentFilter.MATCH_CATEGORY_MASK; 6340 final int M = prefs.size(); 6341 for (int i=0; i<M; i++) { 6342 final PreferredActivity pa = prefs.get(i); 6343 if (DEBUG_PREFERRED || debug) { 6344 Slog.v(TAG, "Checking PreferredActivity ds=" 6345 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 6346 + "\n component=" + pa.mPref.mComponent); 6347 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 6348 } 6349 if (pa.mPref.mMatch != match) { 6350 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 6351 + Integer.toHexString(pa.mPref.mMatch)); 6352 continue; 6353 } 6354 // If it's not an "always" type preferred activity and that's what we're 6355 // looking for, skip it. 6356 if (always && !pa.mPref.mAlways) { 6357 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 6358 continue; 6359 } 6360 final ActivityInfo ai = getActivityInfo( 6361 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 6362 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 6363 userId); 6364 if (DEBUG_PREFERRED || debug) { 6365 Slog.v(TAG, "Found preferred activity:"); 6366 if (ai != null) { 6367 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 6368 } else { 6369 Slog.v(TAG, " null"); 6370 } 6371 } 6372 if (ai == null) { 6373 // This previously registered preferred activity 6374 // component is no longer known. Most likely an update 6375 // to the app was installed and in the new version this 6376 // component no longer exists. Clean it up by removing 6377 // it from the preferred activities list, and skip it. 6378 Slog.w(TAG, "Removing dangling preferred activity: " 6379 + pa.mPref.mComponent); 6380 pir.removeFilter(pa); 6381 changed = true; 6382 continue; 6383 } 6384 for (int j=0; j<N; j++) { 6385 final ResolveInfo ri = query.get(j); 6386 if (!ri.activityInfo.applicationInfo.packageName 6387 .equals(ai.applicationInfo.packageName)) { 6388 continue; 6389 } 6390 if (!ri.activityInfo.name.equals(ai.name)) { 6391 continue; 6392 } 6393 6394 if (removeMatches) { 6395 pir.removeFilter(pa); 6396 changed = true; 6397 if (DEBUG_PREFERRED) { 6398 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 6399 } 6400 break; 6401 } 6402 6403 // Okay we found a previously set preferred or last chosen app. 6404 // If the result set is different from when this 6405 // was created, and is not a subset of the preferred set, we need to 6406 // clear it and re-ask the user their preference, if we're looking for 6407 // an "always" type entry. 6408 if (always && !pa.mPref.sameSet(query)) { 6409 if (pa.mPref.isSuperset(query)) { 6410 // some components of the set are no longer present in 6411 // the query, but the preferred activity can still be reused 6412 if (DEBUG_PREFERRED) { 6413 Slog.i(TAG, "Result set changed, but PreferredActivity is" 6414 + " still valid as only non-preferred components" 6415 + " were removed for " + intent + " type " 6416 + resolvedType); 6417 } 6418 // remove obsolete components and re-add the up-to-date filter 6419 PreferredActivity freshPa = new PreferredActivity(pa, 6420 pa.mPref.mMatch, 6421 pa.mPref.discardObsoleteComponents(query), 6422 pa.mPref.mComponent, 6423 pa.mPref.mAlways); 6424 pir.removeFilter(pa); 6425 pir.addFilter(freshPa); 6426 changed = true; 6427 } else { 6428 Slog.i(TAG, 6429 "Result set changed, dropping preferred activity for " 6430 + intent + " type " + resolvedType); 6431 if (DEBUG_PREFERRED) { 6432 Slog.v(TAG, "Removing preferred activity since set changed " 6433 + pa.mPref.mComponent); 6434 } 6435 pir.removeFilter(pa); 6436 // Re-add the filter as a "last chosen" entry (!always) 6437 PreferredActivity lastChosen = new PreferredActivity( 6438 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 6439 pir.addFilter(lastChosen); 6440 changed = true; 6441 return null; 6442 } 6443 } 6444 6445 // Yay! Either the set matched or we're looking for the last chosen 6446 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 6447 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 6448 return ri; 6449 } 6450 } 6451 } finally { 6452 if (changed) { 6453 if (DEBUG_PREFERRED) { 6454 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 6455 } 6456 scheduleWritePackageRestrictionsLocked(userId); 6457 } 6458 } 6459 } 6460 } 6461 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 6462 return null; 6463 } 6464 6465 /* 6466 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 6467 */ 6468 @Override 6469 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 6470 int targetUserId) { 6471 mContext.enforceCallingOrSelfPermission( 6472 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 6473 List<CrossProfileIntentFilter> matches = 6474 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 6475 if (matches != null) { 6476 int size = matches.size(); 6477 for (int i = 0; i < size; i++) { 6478 if (matches.get(i).getTargetUserId() == targetUserId) return true; 6479 } 6480 } 6481 if (intent.hasWebURI()) { 6482 // cross-profile app linking works only towards the parent. 6483 final int callingUid = Binder.getCallingUid(); 6484 final UserInfo parent = getProfileParent(sourceUserId); 6485 synchronized(mPackages) { 6486 int flags = updateFlagsForResolve(0, parent.id, intent, callingUid, 6487 false /*includeInstantApps*/); 6488 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 6489 intent, resolvedType, flags, sourceUserId, parent.id); 6490 return xpDomainInfo != null; 6491 } 6492 } 6493 return false; 6494 } 6495 6496 private UserInfo getProfileParent(int userId) { 6497 final long identity = Binder.clearCallingIdentity(); 6498 try { 6499 return sUserManager.getProfileParent(userId); 6500 } finally { 6501 Binder.restoreCallingIdentity(identity); 6502 } 6503 } 6504 6505 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 6506 String resolvedType, int userId) { 6507 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 6508 if (resolver != null) { 6509 return resolver.queryIntent(intent, resolvedType, false /*defaultOnly*/, userId); 6510 } 6511 return null; 6512 } 6513 6514 @Override 6515 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 6516 String resolvedType, int flags, int userId) { 6517 try { 6518 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 6519 6520 return new ParceledListSlice<>( 6521 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 6522 } finally { 6523 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6524 } 6525 } 6526 6527 /** 6528 * Returns the package name of the calling Uid if it's an instant app. If it isn't 6529 * instant, returns {@code null}. 6530 */ 6531 private String getInstantAppPackageName(int callingUid) { 6532 synchronized (mPackages) { 6533 // If the caller is an isolated app use the owner's uid for the lookup. 6534 if (Process.isIsolated(callingUid)) { 6535 callingUid = mIsolatedOwners.get(callingUid); 6536 } 6537 final int appId = UserHandle.getAppId(callingUid); 6538 final Object obj = mSettings.getUserIdLPr(appId); 6539 if (obj instanceof PackageSetting) { 6540 final PackageSetting ps = (PackageSetting) obj; 6541 final boolean isInstantApp = ps.getInstantApp(UserHandle.getUserId(callingUid)); 6542 return isInstantApp ? ps.pkg.packageName : null; 6543 } 6544 } 6545 return null; 6546 } 6547 6548 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 6549 String resolvedType, int flags, int userId) { 6550 return queryIntentActivitiesInternal( 6551 intent, resolvedType, flags, Binder.getCallingUid(), userId, 6552 false /*resolveForStart*/, true /*allowDynamicSplits*/); 6553 } 6554 6555 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 6556 String resolvedType, int flags, int filterCallingUid, int userId, 6557 boolean resolveForStart, boolean allowDynamicSplits) { 6558 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6559 final String instantAppPkgName = getInstantAppPackageName(filterCallingUid); 6560 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 6561 false /* requireFullPermission */, false /* checkShell */, 6562 "query intent activities"); 6563 final String pkgName = intent.getPackage(); 6564 ComponentName comp = intent.getComponent(); 6565 if (comp == null) { 6566 if (intent.getSelector() != null) { 6567 intent = intent.getSelector(); 6568 comp = intent.getComponent(); 6569 } 6570 } 6571 6572 flags = updateFlagsForResolve(flags, userId, intent, filterCallingUid, resolveForStart, 6573 comp != null || pkgName != null /*onlyExposedExplicitly*/); 6574 if (comp != null) { 6575 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6576 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 6577 if (ai != null) { 6578 // When specifying an explicit component, we prevent the activity from being 6579 // used when either 1) the calling package is normal and the activity is within 6580 // an ephemeral application or 2) the calling package is ephemeral and the 6581 // activity is not visible to ephemeral applications. 6582 final boolean matchInstantApp = 6583 (flags & PackageManager.MATCH_INSTANT) != 0; 6584 final boolean matchVisibleToInstantAppOnly = 6585 (flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 6586 final boolean matchExplicitlyVisibleOnly = 6587 (flags & PackageManager.MATCH_EXPLICITLY_VISIBLE_ONLY) != 0; 6588 final boolean isCallerInstantApp = 6589 instantAppPkgName != null; 6590 final boolean isTargetSameInstantApp = 6591 comp.getPackageName().equals(instantAppPkgName); 6592 final boolean isTargetInstantApp = 6593 (ai.applicationInfo.privateFlags 6594 & ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0; 6595 final boolean isTargetVisibleToInstantApp = 6596 (ai.flags & ActivityInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0; 6597 final boolean isTargetExplicitlyVisibleToInstantApp = 6598 isTargetVisibleToInstantApp 6599 && (ai.flags & ActivityInfo.FLAG_IMPLICITLY_VISIBLE_TO_INSTANT_APP) == 0; 6600 final boolean isTargetHiddenFromInstantApp = 6601 !isTargetVisibleToInstantApp 6602 || (matchExplicitlyVisibleOnly && !isTargetExplicitlyVisibleToInstantApp); 6603 final boolean blockResolution = 6604 !isTargetSameInstantApp 6605 && ((!matchInstantApp && !isCallerInstantApp && isTargetInstantApp) 6606 || (matchVisibleToInstantAppOnly && isCallerInstantApp 6607 && isTargetHiddenFromInstantApp)); 6608 if (!blockResolution) { 6609 final ResolveInfo ri = new ResolveInfo(); 6610 ri.activityInfo = ai; 6611 list.add(ri); 6612 } 6613 } 6614 return applyPostResolutionFilter( 6615 list, instantAppPkgName, allowDynamicSplits, filterCallingUid, userId, intent); 6616 } 6617 6618 // reader 6619 boolean sortResult = false; 6620 boolean addInstant = false; 6621 List<ResolveInfo> result; 6622 synchronized (mPackages) { 6623 if (pkgName == null) { 6624 List<CrossProfileIntentFilter> matchingFilters = 6625 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 6626 // Check for results that need to skip the current profile. 6627 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 6628 resolvedType, flags, userId); 6629 if (xpResolveInfo != null) { 6630 List<ResolveInfo> xpResult = new ArrayList<ResolveInfo>(1); 6631 xpResult.add(xpResolveInfo); 6632 return applyPostResolutionFilter( 6633 filterIfNotSystemUser(xpResult, userId), instantAppPkgName, 6634 allowDynamicSplits, filterCallingUid, userId, intent); 6635 } 6636 6637 // Check for results in the current profile. 6638 result = filterIfNotSystemUser(mActivities.queryIntent( 6639 intent, resolvedType, flags, userId), userId); 6640 addInstant = isInstantAppResolutionAllowed(intent, result, userId, 6641 false /*skipPackageCheck*/); 6642 // Check for cross profile results. 6643 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 6644 xpResolveInfo = queryCrossProfileIntents( 6645 matchingFilters, intent, resolvedType, flags, userId, 6646 hasNonNegativePriorityResult); 6647 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 6648 boolean isVisibleToUser = filterIfNotSystemUser( 6649 Collections.singletonList(xpResolveInfo), userId).size() > 0; 6650 if (isVisibleToUser) { 6651 result.add(xpResolveInfo); 6652 sortResult = true; 6653 } 6654 } 6655 if (intent.hasWebURI()) { 6656 CrossProfileDomainInfo xpDomainInfo = null; 6657 final UserInfo parent = getProfileParent(userId); 6658 if (parent != null) { 6659 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 6660 flags, userId, parent.id); 6661 } 6662 if (xpDomainInfo != null) { 6663 if (xpResolveInfo != null) { 6664 // If we didn't remove it, the cross-profile ResolveInfo would be twice 6665 // in the result. 6666 result.remove(xpResolveInfo); 6667 } 6668 if (result.size() == 0 && !addInstant) { 6669 // No result in current profile, but found candidate in parent user. 6670 // And we are not going to add emphemeral app, so we can return the 6671 // result straight away. 6672 result.add(xpDomainInfo.resolveInfo); 6673 return applyPostResolutionFilter(result, instantAppPkgName, 6674 allowDynamicSplits, filterCallingUid, userId, intent); 6675 } 6676 } else if (result.size() <= 1 && !addInstant) { 6677 // No result in parent user and <= 1 result in current profile, and we 6678 // are not going to add emphemeral app, so we can return the result without 6679 // further processing. 6680 return applyPostResolutionFilter(result, instantAppPkgName, 6681 allowDynamicSplits, filterCallingUid, userId, intent); 6682 } 6683 // We have more than one candidate (combining results from current and parent 6684 // profile), so we need filtering and sorting. 6685 result = filterCandidatesWithDomainPreferredActivitiesLPr( 6686 intent, flags, result, xpDomainInfo, userId); 6687 sortResult = true; 6688 } 6689 } else { 6690 final PackageParser.Package pkg = mPackages.get(pkgName); 6691 result = null; 6692 if (pkg != null) { 6693 result = filterIfNotSystemUser( 6694 mActivities.queryIntentForPackage( 6695 intent, resolvedType, flags, pkg.activities, userId), 6696 userId); 6697 } 6698 if (result == null || result.size() == 0) { 6699 // the caller wants to resolve for a particular package; however, there 6700 // were no installed results, so, try to find an ephemeral result 6701 addInstant = isInstantAppResolutionAllowed( 6702 intent, null /*result*/, userId, true /*skipPackageCheck*/); 6703 if (result == null) { 6704 result = new ArrayList<>(); 6705 } 6706 } 6707 } 6708 } 6709 if (addInstant) { 6710 result = maybeAddInstantAppInstaller( 6711 result, intent, resolvedType, flags, userId, resolveForStart); 6712 } 6713 if (sortResult) { 6714 Collections.sort(result, mResolvePrioritySorter); 6715 } 6716 return applyPostResolutionFilter( 6717 result, instantAppPkgName, allowDynamicSplits, filterCallingUid, userId, intent); 6718 } 6719 6720 private List<ResolveInfo> maybeAddInstantAppInstaller(List<ResolveInfo> result, Intent intent, 6721 String resolvedType, int flags, int userId, boolean resolveForStart) { 6722 // first, check to see if we've got an instant app already installed 6723 final boolean alreadyResolvedLocally = (flags & PackageManager.MATCH_INSTANT) != 0; 6724 ResolveInfo localInstantApp = null; 6725 boolean blockResolution = false; 6726 if (!alreadyResolvedLocally) { 6727 final List<ResolveInfo> instantApps = mActivities.queryIntent(intent, resolvedType, 6728 flags 6729 | PackageManager.GET_RESOLVED_FILTER 6730 | PackageManager.MATCH_INSTANT 6731 | PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY, 6732 userId); 6733 for (int i = instantApps.size() - 1; i >= 0; --i) { 6734 final ResolveInfo info = instantApps.get(i); 6735 final String packageName = info.activityInfo.packageName; 6736 final PackageSetting ps = mSettings.mPackages.get(packageName); 6737 if (ps.getInstantApp(userId)) { 6738 final long packedStatus = getDomainVerificationStatusLPr(ps, userId); 6739 final int status = (int)(packedStatus >> 32); 6740 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6741 // there's a local instant application installed, but, the user has 6742 // chosen to never use it; skip resolution and don't acknowledge 6743 // an instant application is even available 6744 if (DEBUG_INSTANT) { 6745 Slog.v(TAG, "Instant app marked to never run; pkg: " + packageName); 6746 } 6747 blockResolution = true; 6748 break; 6749 } else { 6750 // we have a locally installed instant application; skip resolution 6751 // but acknowledge there's an instant application available 6752 if (DEBUG_INSTANT) { 6753 Slog.v(TAG, "Found installed instant app; pkg: " + packageName); 6754 } 6755 localInstantApp = info; 6756 break; 6757 } 6758 } 6759 } 6760 } 6761 // no app installed, let's see if one's available 6762 AuxiliaryResolveInfo auxiliaryResponse = null; 6763 if (!blockResolution) { 6764 if (localInstantApp == null) { 6765 // we don't have an instant app locally, resolve externally 6766 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 6767 final InstantAppRequest requestObject = new InstantAppRequest( 6768 null /*responseObj*/, intent /*origIntent*/, resolvedType, 6769 null /*callingPackage*/, userId, null /*verificationBundle*/, 6770 resolveForStart); 6771 auxiliaryResponse = InstantAppResolver.doInstantAppResolutionPhaseOne( 6772 mInstantAppResolverConnection, requestObject); 6773 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6774 } else { 6775 // we have an instant application locally, but, we can't admit that since 6776 // callers shouldn't be able to determine prior browsing. create a dummy 6777 // auxiliary response so the downstream code behaves as if there's an 6778 // instant application available externally. when it comes time to start 6779 // the instant application, we'll do the right thing. 6780 final ApplicationInfo ai = localInstantApp.activityInfo.applicationInfo; 6781 auxiliaryResponse = new AuxiliaryResolveInfo(null /* failureActivity */, 6782 ai.packageName, ai.longVersionCode, null /* splitName */); 6783 } 6784 } 6785 if (intent.isWebIntent() && auxiliaryResponse == null) { 6786 return result; 6787 } 6788 final PackageSetting ps = mSettings.mPackages.get(mInstantAppInstallerActivity.packageName); 6789 if (ps == null 6790 || ps.getUserState().get(userId) == null 6791 || !ps.getUserState().get(userId).isEnabled(mInstantAppInstallerActivity, 0)) { 6792 return result; 6793 } 6794 final ResolveInfo ephemeralInstaller = new ResolveInfo(mInstantAppInstallerInfo); 6795 ephemeralInstaller.activityInfo = PackageParser.generateActivityInfo( 6796 mInstantAppInstallerActivity, 0, ps.readUserState(userId), userId); 6797 ephemeralInstaller.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 6798 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 6799 // add a non-generic filter 6800 ephemeralInstaller.filter = new IntentFilter(); 6801 if (intent.getAction() != null) { 6802 ephemeralInstaller.filter.addAction(intent.getAction()); 6803 } 6804 if (intent.getData() != null && intent.getData().getPath() != null) { 6805 ephemeralInstaller.filter.addDataPath( 6806 intent.getData().getPath(), PatternMatcher.PATTERN_LITERAL); 6807 } 6808 ephemeralInstaller.isInstantAppAvailable = true; 6809 // make sure this resolver is the default 6810 ephemeralInstaller.isDefault = true; 6811 ephemeralInstaller.auxiliaryInfo = auxiliaryResponse; 6812 if (DEBUG_INSTANT) { 6813 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 6814 } 6815 6816 result.add(ephemeralInstaller); 6817 return result; 6818 } 6819 6820 private static class CrossProfileDomainInfo { 6821 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 6822 ResolveInfo resolveInfo; 6823 /* Best domain verification status of the activities found in the other profile */ 6824 int bestDomainVerificationStatus; 6825 } 6826 6827 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 6828 String resolvedType, int flags, int sourceUserId, int parentUserId) { 6829 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 6830 sourceUserId)) { 6831 return null; 6832 } 6833 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 6834 resolvedType, flags, parentUserId); 6835 6836 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 6837 return null; 6838 } 6839 CrossProfileDomainInfo result = null; 6840 int size = resultTargetUser.size(); 6841 for (int i = 0; i < size; i++) { 6842 ResolveInfo riTargetUser = resultTargetUser.get(i); 6843 // Intent filter verification is only for filters that specify a host. So don't return 6844 // those that handle all web uris. 6845 if (riTargetUser.handleAllWebDataURI) { 6846 continue; 6847 } 6848 String packageName = riTargetUser.activityInfo.packageName; 6849 PackageSetting ps = mSettings.mPackages.get(packageName); 6850 if (ps == null) { 6851 continue; 6852 } 6853 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 6854 int status = (int)(verificationState >> 32); 6855 if (result == null) { 6856 result = new CrossProfileDomainInfo(); 6857 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 6858 sourceUserId, parentUserId); 6859 result.bestDomainVerificationStatus = status; 6860 } else { 6861 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 6862 result.bestDomainVerificationStatus); 6863 } 6864 } 6865 // Don't consider matches with status NEVER across profiles. 6866 if (result != null && result.bestDomainVerificationStatus 6867 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6868 return null; 6869 } 6870 return result; 6871 } 6872 6873 /** 6874 * Verification statuses are ordered from the worse to the best, except for 6875 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 6876 */ 6877 private int bestDomainVerificationStatus(int status1, int status2) { 6878 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6879 return status2; 6880 } 6881 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6882 return status1; 6883 } 6884 return (int) MathUtils.max(status1, status2); 6885 } 6886 6887 private boolean isUserEnabled(int userId) { 6888 long callingId = Binder.clearCallingIdentity(); 6889 try { 6890 UserInfo userInfo = sUserManager.getUserInfo(userId); 6891 return userInfo != null && userInfo.isEnabled(); 6892 } finally { 6893 Binder.restoreCallingIdentity(callingId); 6894 } 6895 } 6896 6897 /** 6898 * Filter out activities with systemUserOnly flag set, when current user is not System. 6899 * 6900 * @return filtered list 6901 */ 6902 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 6903 if (userId == UserHandle.USER_SYSTEM) { 6904 return resolveInfos; 6905 } 6906 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 6907 ResolveInfo info = resolveInfos.get(i); 6908 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 6909 resolveInfos.remove(i); 6910 } 6911 } 6912 return resolveInfos; 6913 } 6914 6915 /** 6916 * Filters out ephemeral activities. 6917 * <p>When resolving for an ephemeral app, only activities that 1) are defined in the 6918 * ephemeral app or 2) marked with {@code visibleToEphemeral} are returned. 6919 * 6920 * @param resolveInfos The pre-filtered list of resolved activities 6921 * @param ephemeralPkgName The ephemeral package name. If {@code null}, no filtering 6922 * is performed. 6923 * @param intent 6924 * @return A filtered list of resolved activities. 6925 */ 6926 private List<ResolveInfo> applyPostResolutionFilter(List<ResolveInfo> resolveInfos, 6927 String ephemeralPkgName, boolean allowDynamicSplits, int filterCallingUid, int userId, 6928 Intent intent) { 6929 final boolean blockInstant = intent.isWebIntent() && areWebInstantAppsDisabled(); 6930 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 6931 final ResolveInfo info = resolveInfos.get(i); 6932 // remove locally resolved instant app web results when disabled 6933 if (info.isInstantAppAvailable && blockInstant) { 6934 resolveInfos.remove(i); 6935 continue; 6936 } 6937 // allow activities that are defined in the provided package 6938 if (allowDynamicSplits 6939 && info.activityInfo != null 6940 && info.activityInfo.splitName != null 6941 && !ArrayUtils.contains(info.activityInfo.applicationInfo.splitNames, 6942 info.activityInfo.splitName)) { 6943 if (mInstantAppInstallerActivity == null) { 6944 if (DEBUG_INSTALL) { 6945 Slog.v(TAG, "No installer - not adding it to the ResolveInfo list"); 6946 } 6947 resolveInfos.remove(i); 6948 continue; 6949 } 6950 if (blockInstant && isInstantApp(info.activityInfo.packageName, userId)) { 6951 resolveInfos.remove(i); 6952 continue; 6953 } 6954 // requested activity is defined in a split that hasn't been installed yet. 6955 // add the installer to the resolve list 6956 if (DEBUG_INSTALL) { 6957 Slog.v(TAG, "Adding installer to the ResolveInfo list"); 6958 } 6959 final ResolveInfo installerInfo = new ResolveInfo( 6960 mInstantAppInstallerInfo); 6961 final ComponentName installFailureActivity = findInstallFailureActivity( 6962 info.activityInfo.packageName, filterCallingUid, userId); 6963 installerInfo.auxiliaryInfo = new AuxiliaryResolveInfo( 6964 installFailureActivity, 6965 info.activityInfo.packageName, 6966 info.activityInfo.applicationInfo.longVersionCode, 6967 info.activityInfo.splitName); 6968 // add a non-generic filter 6969 installerInfo.filter = new IntentFilter(); 6970 6971 // This resolve info may appear in the chooser UI, so let us make it 6972 // look as the one it replaces as far as the user is concerned which 6973 // requires loading the correct label and icon for the resolve info. 6974 installerInfo.resolvePackageName = info.getComponentInfo().packageName; 6975 installerInfo.labelRes = info.resolveLabelResId(); 6976 installerInfo.icon = info.resolveIconResId(); 6977 installerInfo.isInstantAppAvailable = true; 6978 resolveInfos.set(i, installerInfo); 6979 continue; 6980 } 6981 // caller is a full app, don't need to apply any other filtering 6982 if (ephemeralPkgName == null) { 6983 continue; 6984 } else if (ephemeralPkgName.equals(info.activityInfo.packageName)) { 6985 // caller is same app; don't need to apply any other filtering 6986 continue; 6987 } 6988 // allow activities that have been explicitly exposed to ephemeral apps 6989 final boolean isEphemeralApp = info.activityInfo.applicationInfo.isInstantApp(); 6990 if (!isEphemeralApp 6991 && ((info.activityInfo.flags & ActivityInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0)) { 6992 continue; 6993 } 6994 resolveInfos.remove(i); 6995 } 6996 return resolveInfos; 6997 } 6998 6999 /** 7000 * Returns the activity component that can handle install failures. 7001 * <p>By default, the instant application installer handles failures. However, an 7002 * application may want to handle failures on its own. Applications do this by 7003 * creating an activity with an intent filter that handles the action 7004 * {@link Intent#ACTION_INSTALL_FAILURE}. 7005 */ 7006 private @Nullable ComponentName findInstallFailureActivity( 7007 String packageName, int filterCallingUid, int userId) { 7008 final Intent failureActivityIntent = new Intent(Intent.ACTION_INSTALL_FAILURE); 7009 failureActivityIntent.setPackage(packageName); 7010 // IMPORTANT: disallow dynamic splits to avoid an infinite loop 7011 final List<ResolveInfo> result = queryIntentActivitiesInternal( 7012 failureActivityIntent, null /*resolvedType*/, 0 /*flags*/, filterCallingUid, userId, 7013 false /*resolveForStart*/, false /*allowDynamicSplits*/); 7014 final int NR = result.size(); 7015 if (NR > 0) { 7016 for (int i = 0; i < NR; i++) { 7017 final ResolveInfo info = result.get(i); 7018 if (info.activityInfo.splitName != null) { 7019 continue; 7020 } 7021 return new ComponentName(packageName, info.activityInfo.name); 7022 } 7023 } 7024 return null; 7025 } 7026 7027 /** 7028 * @param resolveInfos list of resolve infos in descending priority order 7029 * @return if the list contains a resolve info with non-negative priority 7030 */ 7031 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 7032 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 7033 } 7034 7035 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 7036 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 7037 int userId) { 7038 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 7039 7040 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 7041 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 7042 candidates.size()); 7043 } 7044 7045 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 7046 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 7047 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 7048 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 7049 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 7050 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 7051 7052 synchronized (mPackages) { 7053 final int count = candidates.size(); 7054 // First, try to use linked apps. Partition the candidates into four lists: 7055 // one for the final results, one for the "do not use ever", one for "undefined status" 7056 // and finally one for "browser app type". 7057 for (int n=0; n<count; n++) { 7058 ResolveInfo info = candidates.get(n); 7059 String packageName = info.activityInfo.packageName; 7060 PackageSetting ps = mSettings.mPackages.get(packageName); 7061 if (ps != null) { 7062 // Add to the special match all list (Browser use case) 7063 if (info.handleAllWebDataURI) { 7064 matchAllList.add(info); 7065 continue; 7066 } 7067 // Try to get the status from User settings first 7068 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 7069 int status = (int)(packedStatus >> 32); 7070 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 7071 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 7072 if (DEBUG_DOMAIN_VERIFICATION || debug) { 7073 Slog.i(TAG, " + always: " + info.activityInfo.packageName 7074 + " : linkgen=" + linkGeneration); 7075 } 7076 // Use link-enabled generation as preferredOrder, i.e. 7077 // prefer newly-enabled over earlier-enabled. 7078 info.preferredOrder = linkGeneration; 7079 alwaysList.add(info); 7080 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 7081 if (DEBUG_DOMAIN_VERIFICATION || debug) { 7082 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 7083 } 7084 neverList.add(info); 7085 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 7086 if (DEBUG_DOMAIN_VERIFICATION || debug) { 7087 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 7088 } 7089 alwaysAskList.add(info); 7090 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 7091 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 7092 if (DEBUG_DOMAIN_VERIFICATION || debug) { 7093 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 7094 } 7095 undefinedList.add(info); 7096 } 7097 } 7098 } 7099 7100 // We'll want to include browser possibilities in a few cases 7101 boolean includeBrowser = false; 7102 7103 // First try to add the "always" resolution(s) for the current user, if any 7104 if (alwaysList.size() > 0) { 7105 result.addAll(alwaysList); 7106 } else { 7107 // Add all undefined apps as we want them to appear in the disambiguation dialog. 7108 result.addAll(undefinedList); 7109 // Maybe add one for the other profile. 7110 if (xpDomainInfo != null && ( 7111 xpDomainInfo.bestDomainVerificationStatus 7112 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 7113 result.add(xpDomainInfo.resolveInfo); 7114 } 7115 includeBrowser = true; 7116 } 7117 7118 // The presence of any 'always ask' alternatives means we'll also offer browsers. 7119 // If there were 'always' entries their preferred order has been set, so we also 7120 // back that off to make the alternatives equivalent 7121 if (alwaysAskList.size() > 0) { 7122 for (ResolveInfo i : result) { 7123 i.preferredOrder = 0; 7124 } 7125 result.addAll(alwaysAskList); 7126 includeBrowser = true; 7127 } 7128 7129 if (includeBrowser) { 7130 // Also add browsers (all of them or only the default one) 7131 if (DEBUG_DOMAIN_VERIFICATION) { 7132 Slog.v(TAG, " ...including browsers in candidate set"); 7133 } 7134 if ((matchFlags & MATCH_ALL) != 0) { 7135 result.addAll(matchAllList); 7136 } else { 7137 // Browser/generic handling case. If there's a default browser, go straight 7138 // to that (but only if there is no other higher-priority match). 7139 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 7140 int maxMatchPrio = 0; 7141 ResolveInfo defaultBrowserMatch = null; 7142 final int numCandidates = matchAllList.size(); 7143 for (int n = 0; n < numCandidates; n++) { 7144 ResolveInfo info = matchAllList.get(n); 7145 // track the highest overall match priority... 7146 if (info.priority > maxMatchPrio) { 7147 maxMatchPrio = info.priority; 7148 } 7149 // ...and the highest-priority default browser match 7150 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 7151 if (defaultBrowserMatch == null 7152 || (defaultBrowserMatch.priority < info.priority)) { 7153 if (debug) { 7154 Slog.v(TAG, "Considering default browser match " + info); 7155 } 7156 defaultBrowserMatch = info; 7157 } 7158 } 7159 } 7160 if (defaultBrowserMatch != null 7161 && defaultBrowserMatch.priority >= maxMatchPrio 7162 && !TextUtils.isEmpty(defaultBrowserPackageName)) 7163 { 7164 if (debug) { 7165 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 7166 } 7167 result.add(defaultBrowserMatch); 7168 } else { 7169 result.addAll(matchAllList); 7170 } 7171 } 7172 7173 // If there is nothing selected, add all candidates and remove the ones that the user 7174 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 7175 if (result.size() == 0) { 7176 result.addAll(candidates); 7177 result.removeAll(neverList); 7178 } 7179 } 7180 } 7181 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 7182 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 7183 result.size()); 7184 for (ResolveInfo info : result) { 7185 Slog.v(TAG, " + " + info.activityInfo); 7186 } 7187 } 7188 return result; 7189 } 7190 7191 // Returns a packed value as a long: 7192 // 7193 // high 'int'-sized word: link status: undefined/ask/never/always. 7194 // low 'int'-sized word: relative priority among 'always' results. 7195 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 7196 long result = ps.getDomainVerificationStatusForUser(userId); 7197 // if none available, get the master status 7198 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 7199 if (ps.getIntentFilterVerificationInfo() != null) { 7200 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 7201 } 7202 } 7203 return result; 7204 } 7205 7206 private ResolveInfo querySkipCurrentProfileIntents( 7207 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 7208 int flags, int sourceUserId) { 7209 if (matchingFilters != null) { 7210 int size = matchingFilters.size(); 7211 for (int i = 0; i < size; i ++) { 7212 CrossProfileIntentFilter filter = matchingFilters.get(i); 7213 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 7214 // Checking if there are activities in the target user that can handle the 7215 // intent. 7216 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 7217 resolvedType, flags, sourceUserId); 7218 if (resolveInfo != null) { 7219 return resolveInfo; 7220 } 7221 } 7222 } 7223 } 7224 return null; 7225 } 7226 7227 // Return matching ResolveInfo in target user if any. 7228 private ResolveInfo queryCrossProfileIntents( 7229 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 7230 int flags, int sourceUserId, boolean matchInCurrentProfile) { 7231 if (matchingFilters != null) { 7232 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 7233 // match the same intent. For performance reasons, it is better not to 7234 // run queryIntent twice for the same userId 7235 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 7236 int size = matchingFilters.size(); 7237 for (int i = 0; i < size; i++) { 7238 CrossProfileIntentFilter filter = matchingFilters.get(i); 7239 int targetUserId = filter.getTargetUserId(); 7240 boolean skipCurrentProfile = 7241 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 7242 boolean skipCurrentProfileIfNoMatchFound = 7243 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 7244 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 7245 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 7246 // Checking if there are activities in the target user that can handle the 7247 // intent. 7248 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 7249 resolvedType, flags, sourceUserId); 7250 if (resolveInfo != null) return resolveInfo; 7251 alreadyTriedUserIds.put(targetUserId, true); 7252 } 7253 } 7254 } 7255 return null; 7256 } 7257 7258 /** 7259 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 7260 * will forward the intent to the filter's target user. 7261 * Otherwise, returns null. 7262 */ 7263 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 7264 String resolvedType, int flags, int sourceUserId) { 7265 int targetUserId = filter.getTargetUserId(); 7266 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 7267 resolvedType, flags, targetUserId); 7268 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 7269 // If all the matches in the target profile are suspended, return null. 7270 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 7271 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 7272 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 7273 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 7274 targetUserId); 7275 } 7276 } 7277 } 7278 return null; 7279 } 7280 7281 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 7282 int sourceUserId, int targetUserId) { 7283 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 7284 long ident = Binder.clearCallingIdentity(); 7285 boolean targetIsProfile; 7286 try { 7287 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 7288 } finally { 7289 Binder.restoreCallingIdentity(ident); 7290 } 7291 String className; 7292 if (targetIsProfile) { 7293 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 7294 } else { 7295 className = FORWARD_INTENT_TO_PARENT; 7296 } 7297 ComponentName forwardingActivityComponentName = new ComponentName( 7298 mAndroidApplication.packageName, className); 7299 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 7300 sourceUserId); 7301 if (!targetIsProfile) { 7302 forwardingActivityInfo.showUserIcon = targetUserId; 7303 forwardingResolveInfo.noResourceId = true; 7304 } 7305 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 7306 forwardingResolveInfo.priority = 0; 7307 forwardingResolveInfo.preferredOrder = 0; 7308 forwardingResolveInfo.match = 0; 7309 forwardingResolveInfo.isDefault = true; 7310 forwardingResolveInfo.filter = filter; 7311 forwardingResolveInfo.targetUserId = targetUserId; 7312 return forwardingResolveInfo; 7313 } 7314 7315 @Override 7316 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 7317 Intent[] specifics, String[] specificTypes, Intent intent, 7318 String resolvedType, int flags, int userId) { 7319 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 7320 specificTypes, intent, resolvedType, flags, userId)); 7321 } 7322 7323 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 7324 Intent[] specifics, String[] specificTypes, Intent intent, 7325 String resolvedType, int flags, int userId) { 7326 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7327 final int callingUid = Binder.getCallingUid(); 7328 flags = updateFlagsForResolve(flags, userId, intent, callingUid, 7329 false /*includeInstantApps*/); 7330 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 7331 false /*requireFullPermission*/, false /*checkShell*/, 7332 "query intent activity options"); 7333 final String resultsAction = intent.getAction(); 7334 7335 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 7336 | PackageManager.GET_RESOLVED_FILTER, userId); 7337 7338 if (DEBUG_INTENT_MATCHING) { 7339 Log.v(TAG, "Query " + intent + ": " + results); 7340 } 7341 7342 int specificsPos = 0; 7343 int N; 7344 7345 // todo: note that the algorithm used here is O(N^2). This 7346 // isn't a problem in our current environment, but if we start running 7347 // into situations where we have more than 5 or 10 matches then this 7348 // should probably be changed to something smarter... 7349 7350 // First we go through and resolve each of the specific items 7351 // that were supplied, taking care of removing any corresponding 7352 // duplicate items in the generic resolve list. 7353 if (specifics != null) { 7354 for (int i=0; i<specifics.length; i++) { 7355 final Intent sintent = specifics[i]; 7356 if (sintent == null) { 7357 continue; 7358 } 7359 7360 if (DEBUG_INTENT_MATCHING) { 7361 Log.v(TAG, "Specific #" + i + ": " + sintent); 7362 } 7363 7364 String action = sintent.getAction(); 7365 if (resultsAction != null && resultsAction.equals(action)) { 7366 // If this action was explicitly requested, then don't 7367 // remove things that have it. 7368 action = null; 7369 } 7370 7371 ResolveInfo ri = null; 7372 ActivityInfo ai = null; 7373 7374 ComponentName comp = sintent.getComponent(); 7375 if (comp == null) { 7376 ri = resolveIntent( 7377 sintent, 7378 specificTypes != null ? specificTypes[i] : null, 7379 flags, userId); 7380 if (ri == null) { 7381 continue; 7382 } 7383 if (ri == mResolveInfo) { 7384 // ACK! Must do something better with this. 7385 } 7386 ai = ri.activityInfo; 7387 comp = new ComponentName(ai.applicationInfo.packageName, 7388 ai.name); 7389 } else { 7390 ai = getActivityInfo(comp, flags, userId); 7391 if (ai == null) { 7392 continue; 7393 } 7394 } 7395 7396 // Look for any generic query activities that are duplicates 7397 // of this specific one, and remove them from the results. 7398 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 7399 N = results.size(); 7400 int j; 7401 for (j=specificsPos; j<N; j++) { 7402 ResolveInfo sri = results.get(j); 7403 if ((sri.activityInfo.name.equals(comp.getClassName()) 7404 && sri.activityInfo.applicationInfo.packageName.equals( 7405 comp.getPackageName())) 7406 || (action != null && sri.filter.matchAction(action))) { 7407 results.remove(j); 7408 if (DEBUG_INTENT_MATCHING) Log.v( 7409 TAG, "Removing duplicate item from " + j 7410 + " due to specific " + specificsPos); 7411 if (ri == null) { 7412 ri = sri; 7413 } 7414 j--; 7415 N--; 7416 } 7417 } 7418 7419 // Add this specific item to its proper place. 7420 if (ri == null) { 7421 ri = new ResolveInfo(); 7422 ri.activityInfo = ai; 7423 } 7424 results.add(specificsPos, ri); 7425 ri.specificIndex = i; 7426 specificsPos++; 7427 } 7428 } 7429 7430 // Now we go through the remaining generic results and remove any 7431 // duplicate actions that are found here. 7432 N = results.size(); 7433 for (int i=specificsPos; i<N-1; i++) { 7434 final ResolveInfo rii = results.get(i); 7435 if (rii.filter == null) { 7436 continue; 7437 } 7438 7439 // Iterate over all of the actions of this result's intent 7440 // filter... typically this should be just one. 7441 final Iterator<String> it = rii.filter.actionsIterator(); 7442 if (it == null) { 7443 continue; 7444 } 7445 while (it.hasNext()) { 7446 final String action = it.next(); 7447 if (resultsAction != null && resultsAction.equals(action)) { 7448 // If this action was explicitly requested, then don't 7449 // remove things that have it. 7450 continue; 7451 } 7452 for (int j=i+1; j<N; j++) { 7453 final ResolveInfo rij = results.get(j); 7454 if (rij.filter != null && rij.filter.hasAction(action)) { 7455 results.remove(j); 7456 if (DEBUG_INTENT_MATCHING) Log.v( 7457 TAG, "Removing duplicate item from " + j 7458 + " due to action " + action + " at " + i); 7459 j--; 7460 N--; 7461 } 7462 } 7463 } 7464 7465 // If the caller didn't request filter information, drop it now 7466 // so we don't have to marshall/unmarshall it. 7467 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 7468 rii.filter = null; 7469 } 7470 } 7471 7472 // Filter out the caller activity if so requested. 7473 if (caller != null) { 7474 N = results.size(); 7475 for (int i=0; i<N; i++) { 7476 ActivityInfo ainfo = results.get(i).activityInfo; 7477 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 7478 && caller.getClassName().equals(ainfo.name)) { 7479 results.remove(i); 7480 break; 7481 } 7482 } 7483 } 7484 7485 // If the caller didn't request filter information, 7486 // drop them now so we don't have to 7487 // marshall/unmarshall it. 7488 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 7489 N = results.size(); 7490 for (int i=0; i<N; i++) { 7491 results.get(i).filter = null; 7492 } 7493 } 7494 7495 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 7496 return results; 7497 } 7498 7499 @Override 7500 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 7501 String resolvedType, int flags, int userId) { 7502 return new ParceledListSlice<>( 7503 queryIntentReceiversInternal(intent, resolvedType, flags, userId, 7504 false /*allowDynamicSplits*/)); 7505 } 7506 7507 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 7508 String resolvedType, int flags, int userId, boolean allowDynamicSplits) { 7509 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7510 final int callingUid = Binder.getCallingUid(); 7511 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 7512 false /*requireFullPermission*/, false /*checkShell*/, 7513 "query intent receivers"); 7514 final String instantAppPkgName = getInstantAppPackageName(callingUid); 7515 flags = updateFlagsForResolve(flags, userId, intent, callingUid, 7516 false /*includeInstantApps*/); 7517 ComponentName comp = intent.getComponent(); 7518 if (comp == null) { 7519 if (intent.getSelector() != null) { 7520 intent = intent.getSelector(); 7521 comp = intent.getComponent(); 7522 } 7523 } 7524 if (comp != null) { 7525 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 7526 final ActivityInfo ai = getReceiverInfo(comp, flags, userId); 7527 if (ai != null) { 7528 // When specifying an explicit component, we prevent the activity from being 7529 // used when either 1) the calling package is normal and the activity is within 7530 // an instant application or 2) the calling package is ephemeral and the 7531 // activity is not visible to instant applications. 7532 final boolean matchInstantApp = 7533 (flags & PackageManager.MATCH_INSTANT) != 0; 7534 final boolean matchVisibleToInstantAppOnly = 7535 (flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 7536 final boolean matchExplicitlyVisibleOnly = 7537 (flags & PackageManager.MATCH_EXPLICITLY_VISIBLE_ONLY) != 0; 7538 final boolean isCallerInstantApp = 7539 instantAppPkgName != null; 7540 final boolean isTargetSameInstantApp = 7541 comp.getPackageName().equals(instantAppPkgName); 7542 final boolean isTargetInstantApp = 7543 (ai.applicationInfo.privateFlags 7544 & ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0; 7545 final boolean isTargetVisibleToInstantApp = 7546 (ai.flags & ActivityInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0; 7547 final boolean isTargetExplicitlyVisibleToInstantApp = 7548 isTargetVisibleToInstantApp 7549 && (ai.flags & ActivityInfo.FLAG_IMPLICITLY_VISIBLE_TO_INSTANT_APP) == 0; 7550 final boolean isTargetHiddenFromInstantApp = 7551 !isTargetVisibleToInstantApp 7552 || (matchExplicitlyVisibleOnly && !isTargetExplicitlyVisibleToInstantApp); 7553 final boolean blockResolution = 7554 !isTargetSameInstantApp 7555 && ((!matchInstantApp && !isCallerInstantApp && isTargetInstantApp) 7556 || (matchVisibleToInstantAppOnly && isCallerInstantApp 7557 && isTargetHiddenFromInstantApp)); 7558 if (!blockResolution) { 7559 ResolveInfo ri = new ResolveInfo(); 7560 ri.activityInfo = ai; 7561 list.add(ri); 7562 } 7563 } 7564 return applyPostResolutionFilter( 7565 list, instantAppPkgName, allowDynamicSplits, callingUid, userId, intent); 7566 } 7567 7568 // reader 7569 synchronized (mPackages) { 7570 String pkgName = intent.getPackage(); 7571 if (pkgName == null) { 7572 final List<ResolveInfo> result = 7573 mReceivers.queryIntent(intent, resolvedType, flags, userId); 7574 return applyPostResolutionFilter( 7575 result, instantAppPkgName, allowDynamicSplits, callingUid, userId, intent); 7576 } 7577 final PackageParser.Package pkg = mPackages.get(pkgName); 7578 if (pkg != null) { 7579 final List<ResolveInfo> result = mReceivers.queryIntentForPackage( 7580 intent, resolvedType, flags, pkg.receivers, userId); 7581 return applyPostResolutionFilter( 7582 result, instantAppPkgName, allowDynamicSplits, callingUid, userId, intent); 7583 } 7584 return Collections.emptyList(); 7585 } 7586 } 7587 7588 @Override 7589 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 7590 final int callingUid = Binder.getCallingUid(); 7591 return resolveServiceInternal(intent, resolvedType, flags, userId, callingUid); 7592 } 7593 7594 private ResolveInfo resolveServiceInternal(Intent intent, String resolvedType, int flags, 7595 int userId, int callingUid) { 7596 if (!sUserManager.exists(userId)) return null; 7597 flags = updateFlagsForResolve( 7598 flags, userId, intent, callingUid, false /*includeInstantApps*/); 7599 List<ResolveInfo> query = queryIntentServicesInternal( 7600 intent, resolvedType, flags, userId, callingUid, false /*includeInstantApps*/); 7601 if (query != null) { 7602 if (query.size() >= 1) { 7603 // If there is more than one service with the same priority, 7604 // just arbitrarily pick the first one. 7605 return query.get(0); 7606 } 7607 } 7608 return null; 7609 } 7610 7611 @Override 7612 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 7613 String resolvedType, int flags, int userId) { 7614 final int callingUid = Binder.getCallingUid(); 7615 return new ParceledListSlice<>(queryIntentServicesInternal( 7616 intent, resolvedType, flags, userId, callingUid, false /*includeInstantApps*/)); 7617 } 7618 7619 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 7620 String resolvedType, int flags, int userId, int callingUid, 7621 boolean includeInstantApps) { 7622 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7623 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 7624 false /*requireFullPermission*/, false /*checkShell*/, 7625 "query intent receivers"); 7626 final String instantAppPkgName = getInstantAppPackageName(callingUid); 7627 flags = updateFlagsForResolve(flags, userId, intent, callingUid, includeInstantApps); 7628 ComponentName comp = intent.getComponent(); 7629 if (comp == null) { 7630 if (intent.getSelector() != null) { 7631 intent = intent.getSelector(); 7632 comp = intent.getComponent(); 7633 } 7634 } 7635 if (comp != null) { 7636 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 7637 final ServiceInfo si = getServiceInfo(comp, flags, userId); 7638 if (si != null) { 7639 // When specifying an explicit component, we prevent the service from being 7640 // used when either 1) the service is in an instant application and the 7641 // caller is not the same instant application or 2) the calling package is 7642 // ephemeral and the activity is not visible to ephemeral applications. 7643 final boolean matchInstantApp = 7644 (flags & PackageManager.MATCH_INSTANT) != 0; 7645 final boolean matchVisibleToInstantAppOnly = 7646 (flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 7647 final boolean isCallerInstantApp = 7648 instantAppPkgName != null; 7649 final boolean isTargetSameInstantApp = 7650 comp.getPackageName().equals(instantAppPkgName); 7651 final boolean isTargetInstantApp = 7652 (si.applicationInfo.privateFlags 7653 & ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0; 7654 final boolean isTargetHiddenFromInstantApp = 7655 (si.flags & ServiceInfo.FLAG_VISIBLE_TO_INSTANT_APP) == 0; 7656 final boolean blockResolution = 7657 !isTargetSameInstantApp 7658 && ((!matchInstantApp && !isCallerInstantApp && isTargetInstantApp) 7659 || (matchVisibleToInstantAppOnly && isCallerInstantApp 7660 && isTargetHiddenFromInstantApp)); 7661 if (!blockResolution) { 7662 final ResolveInfo ri = new ResolveInfo(); 7663 ri.serviceInfo = si; 7664 list.add(ri); 7665 } 7666 } 7667 return list; 7668 } 7669 7670 // reader 7671 synchronized (mPackages) { 7672 String pkgName = intent.getPackage(); 7673 if (pkgName == null) { 7674 return applyPostServiceResolutionFilter( 7675 mServices.queryIntent(intent, resolvedType, flags, userId), 7676 instantAppPkgName); 7677 } 7678 final PackageParser.Package pkg = mPackages.get(pkgName); 7679 if (pkg != null) { 7680 return applyPostServiceResolutionFilter( 7681 mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 7682 userId), 7683 instantAppPkgName); 7684 } 7685 return Collections.emptyList(); 7686 } 7687 } 7688 7689 private List<ResolveInfo> applyPostServiceResolutionFilter(List<ResolveInfo> resolveInfos, 7690 String instantAppPkgName) { 7691 if (instantAppPkgName == null) { 7692 return resolveInfos; 7693 } 7694 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 7695 final ResolveInfo info = resolveInfos.get(i); 7696 final boolean isEphemeralApp = info.serviceInfo.applicationInfo.isInstantApp(); 7697 // allow services that are defined in the provided package 7698 if (isEphemeralApp && instantAppPkgName.equals(info.serviceInfo.packageName)) { 7699 if (info.serviceInfo.splitName != null 7700 && !ArrayUtils.contains(info.serviceInfo.applicationInfo.splitNames, 7701 info.serviceInfo.splitName)) { 7702 // requested service is defined in a split that hasn't been installed yet. 7703 // add the installer to the resolve list 7704 if (DEBUG_INSTANT) { 7705 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 7706 } 7707 final ResolveInfo installerInfo = new ResolveInfo( 7708 mInstantAppInstallerInfo); 7709 installerInfo.auxiliaryInfo = new AuxiliaryResolveInfo( 7710 null /* installFailureActivity */, 7711 info.serviceInfo.packageName, 7712 info.serviceInfo.applicationInfo.longVersionCode, 7713 info.serviceInfo.splitName); 7714 // add a non-generic filter 7715 installerInfo.filter = new IntentFilter(); 7716 // load resources from the correct package 7717 installerInfo.resolvePackageName = info.getComponentInfo().packageName; 7718 resolveInfos.set(i, installerInfo); 7719 } 7720 continue; 7721 } 7722 // allow services that have been explicitly exposed to ephemeral apps 7723 if (!isEphemeralApp 7724 && ((info.serviceInfo.flags & ServiceInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0)) { 7725 continue; 7726 } 7727 resolveInfos.remove(i); 7728 } 7729 return resolveInfos; 7730 } 7731 7732 @Override 7733 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 7734 String resolvedType, int flags, int userId) { 7735 return new ParceledListSlice<>( 7736 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 7737 } 7738 7739 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 7740 Intent intent, String resolvedType, int flags, int userId) { 7741 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7742 final int callingUid = Binder.getCallingUid(); 7743 final String instantAppPkgName = getInstantAppPackageName(callingUid); 7744 flags = updateFlagsForResolve(flags, userId, intent, callingUid, 7745 false /*includeInstantApps*/); 7746 ComponentName comp = intent.getComponent(); 7747 if (comp == null) { 7748 if (intent.getSelector() != null) { 7749 intent = intent.getSelector(); 7750 comp = intent.getComponent(); 7751 } 7752 } 7753 if (comp != null) { 7754 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 7755 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 7756 if (pi != null) { 7757 // When specifying an explicit component, we prevent the provider from being 7758 // used when either 1) the provider is in an instant application and the 7759 // caller is not the same instant application or 2) the calling package is an 7760 // instant application and the provider is not visible to instant applications. 7761 final boolean matchInstantApp = 7762 (flags & PackageManager.MATCH_INSTANT) != 0; 7763 final boolean matchVisibleToInstantAppOnly = 7764 (flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 7765 final boolean isCallerInstantApp = 7766 instantAppPkgName != null; 7767 final boolean isTargetSameInstantApp = 7768 comp.getPackageName().equals(instantAppPkgName); 7769 final boolean isTargetInstantApp = 7770 (pi.applicationInfo.privateFlags 7771 & ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0; 7772 final boolean isTargetHiddenFromInstantApp = 7773 (pi.flags & ProviderInfo.FLAG_VISIBLE_TO_INSTANT_APP) == 0; 7774 final boolean blockResolution = 7775 !isTargetSameInstantApp 7776 && ((!matchInstantApp && !isCallerInstantApp && isTargetInstantApp) 7777 || (matchVisibleToInstantAppOnly && isCallerInstantApp 7778 && isTargetHiddenFromInstantApp)); 7779 if (!blockResolution) { 7780 final ResolveInfo ri = new ResolveInfo(); 7781 ri.providerInfo = pi; 7782 list.add(ri); 7783 } 7784 } 7785 return list; 7786 } 7787 7788 // reader 7789 synchronized (mPackages) { 7790 String pkgName = intent.getPackage(); 7791 if (pkgName == null) { 7792 return applyPostContentProviderResolutionFilter( 7793 mProviders.queryIntent(intent, resolvedType, flags, userId), 7794 instantAppPkgName); 7795 } 7796 final PackageParser.Package pkg = mPackages.get(pkgName); 7797 if (pkg != null) { 7798 return applyPostContentProviderResolutionFilter( 7799 mProviders.queryIntentForPackage( 7800 intent, resolvedType, flags, pkg.providers, userId), 7801 instantAppPkgName); 7802 } 7803 return Collections.emptyList(); 7804 } 7805 } 7806 7807 private List<ResolveInfo> applyPostContentProviderResolutionFilter( 7808 List<ResolveInfo> resolveInfos, String instantAppPkgName) { 7809 if (instantAppPkgName == null) { 7810 return resolveInfos; 7811 } 7812 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 7813 final ResolveInfo info = resolveInfos.get(i); 7814 final boolean isEphemeralApp = info.providerInfo.applicationInfo.isInstantApp(); 7815 // allow providers that are defined in the provided package 7816 if (isEphemeralApp && instantAppPkgName.equals(info.providerInfo.packageName)) { 7817 if (info.providerInfo.splitName != null 7818 && !ArrayUtils.contains(info.providerInfo.applicationInfo.splitNames, 7819 info.providerInfo.splitName)) { 7820 // requested provider is defined in a split that hasn't been installed yet. 7821 // add the installer to the resolve list 7822 if (DEBUG_INSTANT) { 7823 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 7824 } 7825 final ResolveInfo installerInfo = new ResolveInfo( 7826 mInstantAppInstallerInfo); 7827 installerInfo.auxiliaryInfo = new AuxiliaryResolveInfo( 7828 null /*failureActivity*/, 7829 info.providerInfo.packageName, 7830 info.providerInfo.applicationInfo.longVersionCode, 7831 info.providerInfo.splitName); 7832 // add a non-generic filter 7833 installerInfo.filter = new IntentFilter(); 7834 // load resources from the correct package 7835 installerInfo.resolvePackageName = info.getComponentInfo().packageName; 7836 resolveInfos.set(i, installerInfo); 7837 } 7838 continue; 7839 } 7840 // allow providers that have been explicitly exposed to instant applications 7841 if (!isEphemeralApp 7842 && ((info.providerInfo.flags & ProviderInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0)) { 7843 continue; 7844 } 7845 resolveInfos.remove(i); 7846 } 7847 return resolveInfos; 7848 } 7849 7850 @Override 7851 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 7852 final int callingUid = Binder.getCallingUid(); 7853 if (getInstantAppPackageName(callingUid) != null) { 7854 return ParceledListSlice.emptyList(); 7855 } 7856 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7857 flags = updateFlagsForPackage(flags, userId, null); 7858 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7859 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 7860 true /* requireFullPermission */, false /* checkShell */, 7861 "get installed packages"); 7862 7863 // writer 7864 synchronized (mPackages) { 7865 ArrayList<PackageInfo> list; 7866 if (listUninstalled) { 7867 list = new ArrayList<>(mSettings.mPackages.size()); 7868 for (PackageSetting ps : mSettings.mPackages.values()) { 7869 if (filterSharedLibPackageLPr(ps, callingUid, userId, flags)) { 7870 continue; 7871 } 7872 if (filterAppAccessLPr(ps, callingUid, userId)) { 7873 continue; 7874 } 7875 final PackageInfo pi = generatePackageInfo(ps, flags, userId); 7876 if (pi != null) { 7877 list.add(pi); 7878 } 7879 } 7880 } else { 7881 list = new ArrayList<>(mPackages.size()); 7882 for (PackageParser.Package p : mPackages.values()) { 7883 final PackageSetting ps = (PackageSetting) p.mExtras; 7884 if (filterSharedLibPackageLPr(ps, callingUid, userId, flags)) { 7885 continue; 7886 } 7887 if (filterAppAccessLPr(ps, callingUid, userId)) { 7888 continue; 7889 } 7890 final PackageInfo pi = generatePackageInfo((PackageSetting) 7891 p.mExtras, flags, userId); 7892 if (pi != null) { 7893 list.add(pi); 7894 } 7895 } 7896 } 7897 7898 return new ParceledListSlice<>(list); 7899 } 7900 } 7901 7902 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 7903 String[] permissions, boolean[] tmp, int flags, int userId) { 7904 int numMatch = 0; 7905 final PermissionsState permissionsState = ps.getPermissionsState(); 7906 for (int i=0; i<permissions.length; i++) { 7907 final String permission = permissions[i]; 7908 if (permissionsState.hasPermission(permission, userId)) { 7909 tmp[i] = true; 7910 numMatch++; 7911 } else { 7912 tmp[i] = false; 7913 } 7914 } 7915 if (numMatch == 0) { 7916 return; 7917 } 7918 final PackageInfo pi = generatePackageInfo(ps, flags, userId); 7919 7920 // The above might return null in cases of uninstalled apps or install-state 7921 // skew across users/profiles. 7922 if (pi != null) { 7923 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 7924 if (numMatch == permissions.length) { 7925 pi.requestedPermissions = permissions; 7926 } else { 7927 pi.requestedPermissions = new String[numMatch]; 7928 numMatch = 0; 7929 for (int i=0; i<permissions.length; i++) { 7930 if (tmp[i]) { 7931 pi.requestedPermissions[numMatch] = permissions[i]; 7932 numMatch++; 7933 } 7934 } 7935 } 7936 } 7937 list.add(pi); 7938 } 7939 } 7940 7941 @Override 7942 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 7943 String[] permissions, int flags, int userId) { 7944 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7945 flags = updateFlagsForPackage(flags, userId, permissions); 7946 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 7947 true /* requireFullPermission */, false /* checkShell */, 7948 "get packages holding permissions"); 7949 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7950 7951 // writer 7952 synchronized (mPackages) { 7953 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 7954 boolean[] tmpBools = new boolean[permissions.length]; 7955 if (listUninstalled) { 7956 for (PackageSetting ps : mSettings.mPackages.values()) { 7957 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 7958 userId); 7959 } 7960 } else { 7961 for (PackageParser.Package pkg : mPackages.values()) { 7962 PackageSetting ps = (PackageSetting)pkg.mExtras; 7963 if (ps != null) { 7964 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 7965 userId); 7966 } 7967 } 7968 } 7969 7970 return new ParceledListSlice<PackageInfo>(list); 7971 } 7972 } 7973 7974 @Override 7975 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 7976 final int callingUid = Binder.getCallingUid(); 7977 if (getInstantAppPackageName(callingUid) != null) { 7978 return ParceledListSlice.emptyList(); 7979 } 7980 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7981 flags = updateFlagsForApplication(flags, userId, null); 7982 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7983 7984 // writer 7985 synchronized (mPackages) { 7986 ArrayList<ApplicationInfo> list; 7987 if (listUninstalled) { 7988 list = new ArrayList<>(mSettings.mPackages.size()); 7989 for (PackageSetting ps : mSettings.mPackages.values()) { 7990 ApplicationInfo ai; 7991 int effectiveFlags = flags; 7992 if (ps.isSystem()) { 7993 effectiveFlags |= PackageManager.MATCH_ANY_USER; 7994 } 7995 if (ps.pkg != null) { 7996 if (filterSharedLibPackageLPr(ps, callingUid, userId, flags)) { 7997 continue; 7998 } 7999 if (filterAppAccessLPr(ps, callingUid, userId)) { 8000 continue; 8001 } 8002 ai = PackageParser.generateApplicationInfo(ps.pkg, effectiveFlags, 8003 ps.readUserState(userId), userId); 8004 if (ai != null) { 8005 ai.packageName = resolveExternalPackageNameLPr(ps.pkg); 8006 } 8007 } else { 8008 // Shared lib filtering done in generateApplicationInfoFromSettingsLPw 8009 // and already converts to externally visible package name 8010 ai = generateApplicationInfoFromSettingsLPw(ps.name, 8011 callingUid, effectiveFlags, userId); 8012 } 8013 if (ai != null) { 8014 list.add(ai); 8015 } 8016 } 8017 } else { 8018 list = new ArrayList<>(mPackages.size()); 8019 for (PackageParser.Package p : mPackages.values()) { 8020 if (p.mExtras != null) { 8021 PackageSetting ps = (PackageSetting) p.mExtras; 8022 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId, flags)) { 8023 continue; 8024 } 8025 if (filterAppAccessLPr(ps, callingUid, userId)) { 8026 continue; 8027 } 8028 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 8029 ps.readUserState(userId), userId); 8030 if (ai != null) { 8031 ai.packageName = resolveExternalPackageNameLPr(p); 8032 list.add(ai); 8033 } 8034 } 8035 } 8036 } 8037 8038 return new ParceledListSlice<>(list); 8039 } 8040 } 8041 8042 @Override 8043 public ParceledListSlice<InstantAppInfo> getInstantApps(int userId) { 8044 if (HIDE_EPHEMERAL_APIS) { 8045 return null; 8046 } 8047 if (!canViewInstantApps(Binder.getCallingUid(), userId)) { 8048 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_INSTANT_APPS, 8049 "getEphemeralApplications"); 8050 } 8051 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 8052 true /* requireFullPermission */, false /* checkShell */, 8053 "getEphemeralApplications"); 8054 synchronized (mPackages) { 8055 List<InstantAppInfo> instantApps = mInstantAppRegistry 8056 .getInstantAppsLPr(userId); 8057 if (instantApps != null) { 8058 return new ParceledListSlice<>(instantApps); 8059 } 8060 } 8061 return null; 8062 } 8063 8064 @Override 8065 public boolean isInstantApp(String packageName, int userId) { 8066 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 8067 true /* requireFullPermission */, false /* checkShell */, 8068 "isInstantApp"); 8069 if (HIDE_EPHEMERAL_APIS) { 8070 return false; 8071 } 8072 8073 synchronized (mPackages) { 8074 int callingUid = Binder.getCallingUid(); 8075 if (Process.isIsolated(callingUid)) { 8076 callingUid = mIsolatedOwners.get(callingUid); 8077 } 8078 final PackageSetting ps = mSettings.mPackages.get(packageName); 8079 PackageParser.Package pkg = mPackages.get(packageName); 8080 final boolean returnAllowed = 8081 ps != null 8082 && (isCallerSameApp(packageName, callingUid) 8083 || canViewInstantApps(callingUid, userId) 8084 || mInstantAppRegistry.isInstantAccessGranted( 8085 userId, UserHandle.getAppId(callingUid), ps.appId)); 8086 if (returnAllowed) { 8087 return ps.getInstantApp(userId); 8088 } 8089 } 8090 return false; 8091 } 8092 8093 @Override 8094 public byte[] getInstantAppCookie(String packageName, int userId) { 8095 if (HIDE_EPHEMERAL_APIS) { 8096 return null; 8097 } 8098 8099 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 8100 true /* requireFullPermission */, false /* checkShell */, 8101 "getInstantAppCookie"); 8102 if (!isCallerSameApp(packageName, Binder.getCallingUid())) { 8103 return null; 8104 } 8105 synchronized (mPackages) { 8106 return mInstantAppRegistry.getInstantAppCookieLPw( 8107 packageName, userId); 8108 } 8109 } 8110 8111 @Override 8112 public boolean setInstantAppCookie(String packageName, byte[] cookie, int userId) { 8113 if (HIDE_EPHEMERAL_APIS) { 8114 return true; 8115 } 8116 8117 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 8118 true /* requireFullPermission */, true /* checkShell */, 8119 "setInstantAppCookie"); 8120 if (!isCallerSameApp(packageName, Binder.getCallingUid())) { 8121 return false; 8122 } 8123 synchronized (mPackages) { 8124 return mInstantAppRegistry.setInstantAppCookieLPw( 8125 packageName, cookie, userId); 8126 } 8127 } 8128 8129 @Override 8130 public Bitmap getInstantAppIcon(String packageName, int userId) { 8131 if (HIDE_EPHEMERAL_APIS) { 8132 return null; 8133 } 8134 8135 if (!canViewInstantApps(Binder.getCallingUid(), userId)) { 8136 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_INSTANT_APPS, 8137 "getInstantAppIcon"); 8138 } 8139 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 8140 true /* requireFullPermission */, false /* checkShell */, 8141 "getInstantAppIcon"); 8142 8143 synchronized (mPackages) { 8144 return mInstantAppRegistry.getInstantAppIconLPw( 8145 packageName, userId); 8146 } 8147 } 8148 8149 private boolean isCallerSameApp(String packageName, int uid) { 8150 PackageParser.Package pkg = mPackages.get(packageName); 8151 return pkg != null 8152 && UserHandle.getAppId(uid) == pkg.applicationInfo.uid; 8153 } 8154 8155 @Override 8156 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 8157 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 8158 return ParceledListSlice.emptyList(); 8159 } 8160 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 8161 } 8162 8163 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 8164 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 8165 8166 // reader 8167 synchronized (mPackages) { 8168 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 8169 final int userId = UserHandle.getCallingUserId(); 8170 while (i.hasNext()) { 8171 final PackageParser.Package p = i.next(); 8172 if (p.applicationInfo == null) continue; 8173 8174 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 8175 && !p.applicationInfo.isDirectBootAware(); 8176 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 8177 && p.applicationInfo.isDirectBootAware(); 8178 8179 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 8180 && (!mSafeMode || isSystemApp(p)) 8181 && (matchesUnaware || matchesAware)) { 8182 PackageSetting ps = mSettings.mPackages.get(p.packageName); 8183 if (ps != null) { 8184 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 8185 ps.readUserState(userId), userId); 8186 if (ai != null) { 8187 finalList.add(ai); 8188 } 8189 } 8190 } 8191 } 8192 } 8193 8194 return finalList; 8195 } 8196 8197 @Override 8198 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 8199 return resolveContentProviderInternal(name, flags, userId); 8200 } 8201 8202 private ProviderInfo resolveContentProviderInternal(String name, int flags, int userId) { 8203 if (!sUserManager.exists(userId)) return null; 8204 flags = updateFlagsForComponent(flags, userId, name); 8205 final int callingUid = Binder.getCallingUid(); 8206 synchronized (mPackages) { 8207 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 8208 PackageSetting ps = provider != null 8209 ? mSettings.mPackages.get(provider.owner.packageName) 8210 : null; 8211 if (ps != null) { 8212 // provider not enabled 8213 if (!mSettings.isEnabledAndMatchLPr(provider.info, flags, userId)) { 8214 return null; 8215 } 8216 final ComponentName component = 8217 new ComponentName(provider.info.packageName, provider.info.name); 8218 if (filterAppAccessLPr(ps, callingUid, component, TYPE_PROVIDER, userId)) { 8219 return null; 8220 } 8221 return PackageParser.generateProviderInfo( 8222 provider, flags, ps.readUserState(userId), userId); 8223 } 8224 return null; 8225 } 8226 } 8227 8228 /** 8229 * @deprecated 8230 */ 8231 @Deprecated 8232 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 8233 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 8234 return; 8235 } 8236 // reader 8237 synchronized (mPackages) { 8238 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 8239 .entrySet().iterator(); 8240 final int userId = UserHandle.getCallingUserId(); 8241 while (i.hasNext()) { 8242 Map.Entry<String, PackageParser.Provider> entry = i.next(); 8243 PackageParser.Provider p = entry.getValue(); 8244 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 8245 8246 if (ps != null && p.syncable 8247 && (!mSafeMode || (p.info.applicationInfo.flags 8248 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 8249 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 8250 ps.readUserState(userId), userId); 8251 if (info != null) { 8252 outNames.add(entry.getKey()); 8253 outInfo.add(info); 8254 } 8255 } 8256 } 8257 } 8258 } 8259 8260 @Override 8261 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 8262 int uid, int flags, String metaDataKey) { 8263 final int callingUid = Binder.getCallingUid(); 8264 final int userId = processName != null ? UserHandle.getUserId(uid) 8265 : UserHandle.getCallingUserId(); 8266 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 8267 flags = updateFlagsForComponent(flags, userId, processName); 8268 ArrayList<ProviderInfo> finalList = null; 8269 // reader 8270 synchronized (mPackages) { 8271 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 8272 while (i.hasNext()) { 8273 final PackageParser.Provider p = i.next(); 8274 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 8275 if (ps != null && p.info.authority != null 8276 && (processName == null 8277 || (p.info.processName.equals(processName) 8278 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 8279 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 8280 8281 // See PM.queryContentProviders()'s javadoc for why we have the metaData 8282 // parameter. 8283 if (metaDataKey != null 8284 && (p.metaData == null || !p.metaData.containsKey(metaDataKey))) { 8285 continue; 8286 } 8287 final ComponentName component = 8288 new ComponentName(p.info.packageName, p.info.name); 8289 if (filterAppAccessLPr(ps, callingUid, component, TYPE_PROVIDER, userId)) { 8290 continue; 8291 } 8292 if (finalList == null) { 8293 finalList = new ArrayList<ProviderInfo>(3); 8294 } 8295 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 8296 ps.readUserState(userId), userId); 8297 if (info != null) { 8298 finalList.add(info); 8299 } 8300 } 8301 } 8302 } 8303 8304 if (finalList != null) { 8305 Collections.sort(finalList, mProviderInitOrderSorter); 8306 return new ParceledListSlice<ProviderInfo>(finalList); 8307 } 8308 8309 return ParceledListSlice.emptyList(); 8310 } 8311 8312 @Override 8313 public InstrumentationInfo getInstrumentationInfo(ComponentName component, int flags) { 8314 // reader 8315 synchronized (mPackages) { 8316 final int callingUid = Binder.getCallingUid(); 8317 final int callingUserId = UserHandle.getUserId(callingUid); 8318 final PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 8319 if (ps == null) return null; 8320 if (filterAppAccessLPr(ps, callingUid, component, TYPE_UNKNOWN, callingUserId)) { 8321 return null; 8322 } 8323 final PackageParser.Instrumentation i = mInstrumentation.get(component); 8324 return PackageParser.generateInstrumentationInfo(i, flags); 8325 } 8326 } 8327 8328 @Override 8329 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 8330 String targetPackage, int flags) { 8331 final int callingUid = Binder.getCallingUid(); 8332 final int callingUserId = UserHandle.getUserId(callingUid); 8333 final PackageSetting ps = mSettings.mPackages.get(targetPackage); 8334 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 8335 return ParceledListSlice.emptyList(); 8336 } 8337 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 8338 } 8339 8340 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 8341 int flags) { 8342 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 8343 8344 // reader 8345 synchronized (mPackages) { 8346 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 8347 while (i.hasNext()) { 8348 final PackageParser.Instrumentation p = i.next(); 8349 if (targetPackage == null 8350 || targetPackage.equals(p.info.targetPackage)) { 8351 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 8352 flags); 8353 if (ii != null) { 8354 finalList.add(ii); 8355 } 8356 } 8357 } 8358 } 8359 8360 return finalList; 8361 } 8362 8363 private void scanDirTracedLI(File scanDir, final int parseFlags, int scanFlags, long currentTime) { 8364 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir [" + scanDir.getAbsolutePath() + "]"); 8365 try { 8366 scanDirLI(scanDir, parseFlags, scanFlags, currentTime); 8367 } finally { 8368 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8369 } 8370 } 8371 8372 private void scanDirLI(File scanDir, int parseFlags, int scanFlags, long currentTime) { 8373 final File[] files = scanDir.listFiles(); 8374 if (ArrayUtils.isEmpty(files)) { 8375 Log.d(TAG, "No files in app dir " + scanDir); 8376 return; 8377 } 8378 8379 if (DEBUG_PACKAGE_SCANNING) { 8380 Log.d(TAG, "Scanning app dir " + scanDir + " scanFlags=" + scanFlags 8381 + " flags=0x" + Integer.toHexString(parseFlags)); 8382 } 8383 try (ParallelPackageParser parallelPackageParser = new ParallelPackageParser( 8384 mSeparateProcesses, mOnlyCore, mMetrics, mCacheDir, 8385 mParallelPackageParserCallback)) { 8386 // Submit files for parsing in parallel 8387 int fileCount = 0; 8388 for (File file : files) { 8389 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 8390 && !PackageInstallerService.isStageName(file.getName()); 8391 if (!isPackage) { 8392 // Ignore entries which are not packages 8393 continue; 8394 } 8395 parallelPackageParser.submit(file, parseFlags); 8396 fileCount++; 8397 } 8398 8399 // Process results one by one 8400 for (; fileCount > 0; fileCount--) { 8401 ParallelPackageParser.ParseResult parseResult = parallelPackageParser.take(); 8402 Throwable throwable = parseResult.throwable; 8403 int errorCode = PackageManager.INSTALL_SUCCEEDED; 8404 8405 if (throwable == null) { 8406 // TODO(toddke): move lower in the scan chain 8407 // Static shared libraries have synthetic package names 8408 if (parseResult.pkg.applicationInfo.isStaticSharedLibrary()) { 8409 renameStaticSharedLibraryPackage(parseResult.pkg); 8410 } 8411 try { 8412 if (errorCode == PackageManager.INSTALL_SUCCEEDED) { 8413 scanPackageChildLI(parseResult.pkg, parseFlags, scanFlags, 8414 currentTime, null); 8415 } 8416 } catch (PackageManagerException e) { 8417 errorCode = e.error; 8418 Slog.w(TAG, "Failed to scan " + parseResult.scanFile + ": " + e.getMessage()); 8419 } 8420 } else if (throwable instanceof PackageParser.PackageParserException) { 8421 PackageParser.PackageParserException e = (PackageParser.PackageParserException) 8422 throwable; 8423 errorCode = e.error; 8424 Slog.w(TAG, "Failed to parse " + parseResult.scanFile + ": " + e.getMessage()); 8425 } else { 8426 throw new IllegalStateException("Unexpected exception occurred while parsing " 8427 + parseResult.scanFile, throwable); 8428 } 8429 8430 // Delete invalid userdata apps 8431 if ((scanFlags & SCAN_AS_SYSTEM) == 0 && 8432 errorCode == PackageManager.INSTALL_FAILED_INVALID_APK) { 8433 logCriticalInfo(Log.WARN, 8434 "Deleting invalid package at " + parseResult.scanFile); 8435 removeCodePathLI(parseResult.scanFile); 8436 } 8437 } 8438 } 8439 } 8440 8441 public static void reportSettingsProblem(int priority, String msg) { 8442 logCriticalInfo(priority, msg); 8443 } 8444 8445 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, 8446 boolean forceCollect, boolean skipVerify) throws PackageManagerException { 8447 // When upgrading from pre-N MR1, verify the package time stamp using the package 8448 // directory and not the APK file. 8449 final long lastModifiedTime = mIsPreNMR1Upgrade 8450 ? new File(pkg.codePath).lastModified() : getLastModifiedTime(pkg); 8451 if (ps != null && !forceCollect 8452 && ps.codePathString.equals(pkg.codePath) 8453 && ps.timeStamp == lastModifiedTime 8454 && !isCompatSignatureUpdateNeeded(pkg) 8455 && !isRecoverSignatureUpdateNeeded(pkg)) { 8456 if (ps.signatures.mSigningDetails.signatures != null 8457 && ps.signatures.mSigningDetails.signatures.length != 0 8458 && ps.signatures.mSigningDetails.signatureSchemeVersion 8459 != SignatureSchemeVersion.UNKNOWN) { 8460 // Optimization: reuse the existing cached signing data 8461 // if the package appears to be unchanged. 8462 pkg.mSigningDetails = 8463 new PackageParser.SigningDetails(ps.signatures.mSigningDetails); 8464 return; 8465 } 8466 8467 Slog.w(TAG, "PackageSetting for " + ps.name 8468 + " is missing signatures. Collecting certs again to recover them."); 8469 } else { 8470 Slog.i(TAG, pkg.codePath + " changed; collecting certs" + 8471 (forceCollect ? " (forced)" : "")); 8472 } 8473 8474 try { 8475 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 8476 PackageParser.collectCertificates(pkg, skipVerify); 8477 } catch (PackageParserException e) { 8478 throw PackageManagerException.from(e); 8479 } finally { 8480 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8481 } 8482 } 8483 8484 /** 8485 * Traces a package scan. 8486 * @see #scanPackageLI(File, int, int, long, UserHandle) 8487 */ 8488 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 8489 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 8490 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage [" + scanFile.toString() + "]"); 8491 try { 8492 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 8493 } finally { 8494 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8495 } 8496 } 8497 8498 /** 8499 * Scans a package and returns the newly parsed package. 8500 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 8501 */ 8502 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 8503 long currentTime, UserHandle user) throws PackageManagerException { 8504 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 8505 PackageParser pp = new PackageParser(); 8506 pp.setSeparateProcesses(mSeparateProcesses); 8507 pp.setOnlyCoreApps(mOnlyCore); 8508 pp.setDisplayMetrics(mMetrics); 8509 pp.setCallback(mPackageParserCallback); 8510 8511 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 8512 final PackageParser.Package pkg; 8513 try { 8514 pkg = pp.parsePackage(scanFile, parseFlags); 8515 } catch (PackageParserException e) { 8516 throw PackageManagerException.from(e); 8517 } finally { 8518 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8519 } 8520 8521 // Static shared libraries have synthetic package names 8522 if (pkg.applicationInfo.isStaticSharedLibrary()) { 8523 renameStaticSharedLibraryPackage(pkg); 8524 } 8525 8526 return scanPackageChildLI(pkg, parseFlags, scanFlags, currentTime, user); 8527 } 8528 8529 /** 8530 * Scans a package and returns the newly parsed package. 8531 * @throws PackageManagerException on a parse error. 8532 */ 8533 private PackageParser.Package scanPackageChildLI(PackageParser.Package pkg, 8534 final @ParseFlags int parseFlags, @ScanFlags int scanFlags, long currentTime, 8535 @Nullable UserHandle user) 8536 throws PackageManagerException { 8537 // If the package has children and this is the first dive in the function 8538 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 8539 // packages (parent and children) would be successfully scanned before the 8540 // actual scan since scanning mutates internal state and we want to atomically 8541 // install the package and its children. 8542 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8543 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 8544 scanFlags |= SCAN_CHECK_ONLY; 8545 } 8546 } else { 8547 scanFlags &= ~SCAN_CHECK_ONLY; 8548 } 8549 8550 // Scan the parent 8551 PackageParser.Package scannedPkg = addForInitLI(pkg, parseFlags, 8552 scanFlags, currentTime, user); 8553 8554 // Scan the children 8555 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8556 for (int i = 0; i < childCount; i++) { 8557 PackageParser.Package childPackage = pkg.childPackages.get(i); 8558 addForInitLI(childPackage, parseFlags, scanFlags, 8559 currentTime, user); 8560 } 8561 8562 8563 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8564 return scanPackageChildLI(pkg, parseFlags, scanFlags, currentTime, user); 8565 } 8566 8567 return scannedPkg; 8568 } 8569 8570 /** 8571 * Returns if full apk verification can be skipped for the whole package, including the splits. 8572 */ 8573 private boolean canSkipFullPackageVerification(PackageParser.Package pkg) { 8574 if (!canSkipFullApkVerification(pkg.baseCodePath)) { 8575 return false; 8576 } 8577 // TODO: Allow base and splits to be verified individually. 8578 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 8579 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 8580 if (!canSkipFullApkVerification(pkg.splitCodePaths[i])) { 8581 return false; 8582 } 8583 } 8584 } 8585 return true; 8586 } 8587 8588 /** 8589 * Returns if full apk verification can be skipped, depending on current FSVerity setup and 8590 * whether the apk contains signed root hash. Note that the signer's certificate still needs to 8591 * match one in a trusted source, and should be done separately. 8592 */ 8593 private boolean canSkipFullApkVerification(String apkPath) { 8594 byte[] rootHashObserved = null; 8595 try { 8596 rootHashObserved = VerityUtils.generateFsverityRootHash(apkPath); 8597 if (rootHashObserved == null) { 8598 return false; // APK does not contain Merkle tree root hash. 8599 } 8600 synchronized (mInstallLock) { 8601 // Returns whether the observed root hash matches what kernel has. 8602 mInstaller.assertFsverityRootHashMatches(apkPath, rootHashObserved); 8603 return true; 8604 } 8605 } catch (InstallerException | IOException | DigestException | 8606 NoSuchAlgorithmException e) { 8607 Slog.w(TAG, "Error in fsverity check. Fallback to full apk verification.", e); 8608 } 8609 return false; 8610 } 8611 8612 /** 8613 * Adds a new package to the internal data structures during platform initialization. 8614 * <p>After adding, the package is known to the system and available for querying. 8615 * <p>For packages located on the device ROM [eg. packages located in /system, /vendor, 8616 * etc...], additional checks are performed. Basic verification [such as ensuring 8617 * matching signatures, checking version codes, etc...] occurs if the package is 8618 * identical to a previously known package. If the package fails a signature check, 8619 * the version installed on /data will be removed. If the version of the new package 8620 * is less than or equal than the version on /data, it will be ignored. 8621 * <p>Regardless of the package location, the results are applied to the internal 8622 * structures and the package is made available to the rest of the system. 8623 * <p>NOTE: The return value should be removed. It's the passed in package object. 8624 */ 8625 private PackageParser.Package addForInitLI(PackageParser.Package pkg, 8626 @ParseFlags int parseFlags, @ScanFlags int scanFlags, long currentTime, 8627 @Nullable UserHandle user) 8628 throws PackageManagerException { 8629 final boolean scanSystemPartition = (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0; 8630 final String renamedPkgName; 8631 final PackageSetting disabledPkgSetting; 8632 final boolean isSystemPkgUpdated; 8633 final boolean pkgAlreadyExists; 8634 PackageSetting pkgSetting; 8635 8636 // NOTE: installPackageLI() has the same code to setup the package's 8637 // application info. This probably should be done lower in the call 8638 // stack [such as scanPackageOnly()]. However, we verify the application 8639 // info prior to that [in scanPackageNew()] and thus have to setup 8640 // the application info early. 8641 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 8642 pkg.setApplicationInfoCodePath(pkg.codePath); 8643 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 8644 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 8645 pkg.setApplicationInfoResourcePath(pkg.codePath); 8646 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 8647 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 8648 8649 synchronized (mPackages) { 8650 renamedPkgName = mSettings.getRenamedPackageLPr(pkg.mRealPackage); 8651 final String realPkgName = getRealPackageName(pkg, renamedPkgName); 8652 if (realPkgName != null) { 8653 ensurePackageRenamed(pkg, renamedPkgName); 8654 } 8655 final PackageSetting originalPkgSetting = getOriginalPackageLocked(pkg, renamedPkgName); 8656 final PackageSetting installedPkgSetting = mSettings.getPackageLPr(pkg.packageName); 8657 pkgSetting = originalPkgSetting == null ? installedPkgSetting : originalPkgSetting; 8658 pkgAlreadyExists = pkgSetting != null; 8659 final String disabledPkgName = pkgAlreadyExists ? pkgSetting.name : pkg.packageName; 8660 disabledPkgSetting = mSettings.getDisabledSystemPkgLPr(disabledPkgName); 8661 isSystemPkgUpdated = disabledPkgSetting != null; 8662 8663 if (DEBUG_INSTALL && isSystemPkgUpdated) { 8664 Slog.d(TAG, "updatedPkg = " + disabledPkgSetting); 8665 } 8666 8667 final SharedUserSetting sharedUserSetting = (pkg.mSharedUserId != null) 8668 ? mSettings.getSharedUserLPw(pkg.mSharedUserId, 8669 0 /*pkgFlags*/, 0 /*pkgPrivateFlags*/, true) 8670 : null; 8671 if (DEBUG_PACKAGE_SCANNING 8672 && (parseFlags & PackageParser.PARSE_CHATTY) != 0 8673 && sharedUserSetting != null) { 8674 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId 8675 + " (uid=" + sharedUserSetting.userId + "):" 8676 + " packages=" + sharedUserSetting.packages); 8677 } 8678 8679 if (scanSystemPartition) { 8680 // Potentially prune child packages. If the application on the /system 8681 // partition has been updated via OTA, but, is still disabled by a 8682 // version on /data, cycle through all of its children packages and 8683 // remove children that are no longer defined. 8684 if (isSystemPkgUpdated) { 8685 final int scannedChildCount = (pkg.childPackages != null) 8686 ? pkg.childPackages.size() : 0; 8687 final int disabledChildCount = disabledPkgSetting.childPackageNames != null 8688 ? disabledPkgSetting.childPackageNames.size() : 0; 8689 for (int i = 0; i < disabledChildCount; i++) { 8690 String disabledChildPackageName = 8691 disabledPkgSetting.childPackageNames.get(i); 8692 boolean disabledPackageAvailable = false; 8693 for (int j = 0; j < scannedChildCount; j++) { 8694 PackageParser.Package childPkg = pkg.childPackages.get(j); 8695 if (childPkg.packageName.equals(disabledChildPackageName)) { 8696 disabledPackageAvailable = true; 8697 break; 8698 } 8699 } 8700 if (!disabledPackageAvailable) { 8701 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 8702 } 8703 } 8704 // we're updating the disabled package, so, scan it as the package setting 8705 final ScanRequest request = new ScanRequest(pkg, sharedUserSetting, null, 8706 disabledPkgSetting /* pkgSetting */, null /* disabledPkgSetting */, 8707 null /* originalPkgSetting */, null, parseFlags, scanFlags, 8708 (pkg == mPlatformPackage), user); 8709 applyPolicy(pkg, parseFlags, scanFlags, mPlatformPackage); 8710 scanPackageOnlyLI(request, mFactoryTest, -1L); 8711 } 8712 } 8713 } 8714 8715 final boolean newPkgChangedPaths = 8716 pkgAlreadyExists && !pkgSetting.codePathString.equals(pkg.codePath); 8717 final boolean newPkgVersionGreater = 8718 pkgAlreadyExists && pkg.getLongVersionCode() > pkgSetting.versionCode; 8719 final boolean isSystemPkgBetter = scanSystemPartition && isSystemPkgUpdated 8720 && newPkgChangedPaths && newPkgVersionGreater; 8721 if (isSystemPkgBetter) { 8722 // The version of the application on /system is greater than the version on 8723 // /data. Switch back to the application on /system. 8724 // It's safe to assume the application on /system will correctly scan. If not, 8725 // there won't be a working copy of the application. 8726 synchronized (mPackages) { 8727 // just remove the loaded entries from package lists 8728 mPackages.remove(pkgSetting.name); 8729 } 8730 8731 logCriticalInfo(Log.WARN, 8732 "System package updated;" 8733 + " name: " + pkgSetting.name 8734 + "; " + pkgSetting.versionCode + " --> " + pkg.getLongVersionCode() 8735 + "; " + pkgSetting.codePathString + " --> " + pkg.codePath); 8736 8737 final InstallArgs args = createInstallArgsForExisting( 8738 packageFlagsToInstallFlags(pkgSetting), pkgSetting.codePathString, 8739 pkgSetting.resourcePathString, getAppDexInstructionSets(pkgSetting)); 8740 args.cleanUpResourcesLI(); 8741 synchronized (mPackages) { 8742 mSettings.enableSystemPackageLPw(pkgSetting.name); 8743 } 8744 } 8745 8746 if (scanSystemPartition && isSystemPkgUpdated && !isSystemPkgBetter) { 8747 // The version of the application on the /system partition is less than or 8748 // equal to the version on the /data partition. Throw an exception and use 8749 // the application already installed on the /data partition. 8750 throw new PackageManagerException(Log.WARN, "Package " + pkg.packageName + " at " 8751 + pkg.codePath + " ignored: updated version " + disabledPkgSetting.versionCode 8752 + " better than this " + pkg.getLongVersionCode()); 8753 } 8754 8755 // Verify certificates against what was last scanned. If it is an updated priv app, we will 8756 // force re-collecting certificate. 8757 final boolean forceCollect = PackageManagerServiceUtils.isApkVerificationForced( 8758 disabledPkgSetting); 8759 // Full APK verification can be skipped during certificate collection, only if the file is 8760 // in verified partition, or can be verified on access (when apk verity is enabled). In both 8761 // cases, only data in Signing Block is verified instead of the whole file. 8762 final boolean skipVerify = ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0) || 8763 (forceCollect && canSkipFullPackageVerification(pkg)); 8764 collectCertificatesLI(pkgSetting, pkg, forceCollect, skipVerify); 8765 8766 boolean shouldHideSystemApp = false; 8767 // A new application appeared on /system, but, we already have a copy of 8768 // the application installed on /data. 8769 if (scanSystemPartition && !isSystemPkgUpdated && pkgAlreadyExists 8770 && !pkgSetting.isSystem()) { 8771 8772 if (!pkg.mSigningDetails.checkCapability(pkgSetting.signatures.mSigningDetails, 8773 PackageParser.SigningDetails.CertCapabilities.INSTALLED_DATA) 8774 && !pkgSetting.signatures.mSigningDetails.checkCapability( 8775 pkg.mSigningDetails, 8776 PackageParser.SigningDetails.CertCapabilities.ROLLBACK)) { 8777 logCriticalInfo(Log.WARN, 8778 "System package signature mismatch;" 8779 + " name: " + pkgSetting.name); 8780 try (PackageFreezer freezer = freezePackage(pkg.packageName, 8781 "scanPackageInternalLI")) { 8782 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 8783 } 8784 pkgSetting = null; 8785 } else if (newPkgVersionGreater) { 8786 // The application on /system is newer than the application on /data. 8787 // Simply remove the application on /data [keeping application data] 8788 // and replace it with the version on /system. 8789 logCriticalInfo(Log.WARN, 8790 "System package enabled;" 8791 + " name: " + pkgSetting.name 8792 + "; " + pkgSetting.versionCode + " --> " + pkg.getLongVersionCode() 8793 + "; " + pkgSetting.codePathString + " --> " + pkg.codePath); 8794 InstallArgs args = createInstallArgsForExisting( 8795 packageFlagsToInstallFlags(pkgSetting), pkgSetting.codePathString, 8796 pkgSetting.resourcePathString, getAppDexInstructionSets(pkgSetting)); 8797 synchronized (mInstallLock) { 8798 args.cleanUpResourcesLI(); 8799 } 8800 } else { 8801 // The application on /system is older than the application on /data. Hide 8802 // the application on /system and the version on /data will be scanned later 8803 // and re-added like an update. 8804 shouldHideSystemApp = true; 8805 logCriticalInfo(Log.INFO, 8806 "System package disabled;" 8807 + " name: " + pkgSetting.name 8808 + "; old: " + pkgSetting.codePathString + " @ " + pkgSetting.versionCode 8809 + "; new: " + pkg.codePath + " @ " + pkg.codePath); 8810 } 8811 } 8812 8813 final PackageParser.Package scannedPkg = scanPackageNewLI(pkg, parseFlags, scanFlags 8814 | SCAN_UPDATE_SIGNATURE, currentTime, user); 8815 8816 if (shouldHideSystemApp) { 8817 synchronized (mPackages) { 8818 mSettings.disableSystemPackageLPw(pkg.packageName, true); 8819 } 8820 } 8821 return scannedPkg; 8822 } 8823 8824 private static void renameStaticSharedLibraryPackage(PackageParser.Package pkg) { 8825 // Derive the new package synthetic package name 8826 pkg.setPackageName(pkg.packageName + STATIC_SHARED_LIB_DELIMITER 8827 + pkg.staticSharedLibVersion); 8828 } 8829 8830 private static String fixProcessName(String defProcessName, 8831 String processName) { 8832 if (processName == null) { 8833 return defProcessName; 8834 } 8835 return processName; 8836 } 8837 8838 /** 8839 * Enforces that only the system UID or root's UID can call a method exposed 8840 * via Binder. 8841 * 8842 * @param message used as message if SecurityException is thrown 8843 * @throws SecurityException if the caller is not system or root 8844 */ 8845 private static final void enforceSystemOrRoot(String message) { 8846 final int uid = Binder.getCallingUid(); 8847 if (uid != Process.SYSTEM_UID && uid != Process.ROOT_UID) { 8848 throw new SecurityException(message); 8849 } 8850 } 8851 8852 @Override 8853 public void performFstrimIfNeeded() { 8854 enforceSystemOrRoot("Only the system can request fstrim"); 8855 8856 // Before everything else, see whether we need to fstrim. 8857 try { 8858 IStorageManager sm = PackageHelper.getStorageManager(); 8859 if (sm != null) { 8860 boolean doTrim = false; 8861 final long interval = android.provider.Settings.Global.getLong( 8862 mContext.getContentResolver(), 8863 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 8864 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 8865 if (interval > 0) { 8866 final long timeSinceLast = System.currentTimeMillis() - sm.lastMaintenance(); 8867 if (timeSinceLast > interval) { 8868 doTrim = true; 8869 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 8870 + "; running immediately"); 8871 } 8872 } 8873 if (doTrim) { 8874 final boolean dexOptDialogShown; 8875 synchronized (mPackages) { 8876 dexOptDialogShown = mDexOptDialogShown; 8877 } 8878 if (!isFirstBoot() && dexOptDialogShown) { 8879 try { 8880 ActivityManager.getService().showBootMessage( 8881 mContext.getResources().getString( 8882 R.string.android_upgrading_fstrim), true); 8883 } catch (RemoteException e) { 8884 } 8885 } 8886 sm.runMaintenance(); 8887 } 8888 } else { 8889 Slog.e(TAG, "storageManager service unavailable!"); 8890 } 8891 } catch (RemoteException e) { 8892 // Can't happen; StorageManagerService is local 8893 } 8894 } 8895 8896 @Override 8897 public void updatePackagesIfNeeded() { 8898 enforceSystemOrRoot("Only the system can request package update"); 8899 8900 // We need to re-extract after an OTA. 8901 boolean causeUpgrade = isUpgrade(); 8902 8903 // First boot or factory reset. 8904 // Note: we also handle devices that are upgrading to N right now as if it is their 8905 // first boot, as they do not have profile data. 8906 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 8907 8908 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 8909 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 8910 8911 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 8912 return; 8913 } 8914 8915 List<PackageParser.Package> pkgs; 8916 synchronized (mPackages) { 8917 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 8918 } 8919 8920 final long startTime = System.nanoTime(); 8921 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 8922 causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT, 8923 false /* bootComplete */); 8924 8925 final int elapsedTimeSeconds = 8926 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 8927 8928 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 8929 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 8930 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 8931 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 8932 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 8933 } 8934 8935 /* 8936 * Return the prebuilt profile path given a package base code path. 8937 */ 8938 private static String getPrebuildProfilePath(PackageParser.Package pkg) { 8939 return pkg.baseCodePath + ".prof"; 8940 } 8941 8942 /** 8943 * Performs dexopt on the set of packages in {@code packages} and returns an int array 8944 * containing statistics about the invocation. The array consists of three elements, 8945 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 8946 * and {@code numberOfPackagesFailed}. 8947 */ 8948 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 8949 final int compilationReason, boolean bootComplete) { 8950 8951 int numberOfPackagesVisited = 0; 8952 int numberOfPackagesOptimized = 0; 8953 int numberOfPackagesSkipped = 0; 8954 int numberOfPackagesFailed = 0; 8955 final int numberOfPackagesToDexopt = pkgs.size(); 8956 8957 for (PackageParser.Package pkg : pkgs) { 8958 numberOfPackagesVisited++; 8959 8960 boolean useProfileForDexopt = false; 8961 8962 if ((isFirstBoot() || isUpgrade()) && isSystemApp(pkg)) { 8963 // Copy over initial preopt profiles since we won't get any JIT samples for methods 8964 // that are already compiled. 8965 File profileFile = new File(getPrebuildProfilePath(pkg)); 8966 // Copy profile if it exists. 8967 if (profileFile.exists()) { 8968 try { 8969 // We could also do this lazily before calling dexopt in 8970 // PackageDexOptimizer to prevent this happening on first boot. The issue 8971 // is that we don't have a good way to say "do this only once". 8972 if (!mInstaller.copySystemProfile(profileFile.getAbsolutePath(), 8973 pkg.applicationInfo.uid, pkg.packageName, 8974 ArtManager.getProfileName(null))) { 8975 Log.e(TAG, "Installer failed to copy system profile!"); 8976 } else { 8977 // Disabled as this causes speed-profile compilation during first boot 8978 // even if things are already compiled. 8979 // useProfileForDexopt = true; 8980 } 8981 } catch (Exception e) { 8982 Log.e(TAG, "Failed to copy profile " + profileFile.getAbsolutePath() + " ", 8983 e); 8984 } 8985 } else { 8986 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 8987 // Handle compressed APKs in this path. Only do this for stubs with profiles to 8988 // minimize the number off apps being speed-profile compiled during first boot. 8989 // The other paths will not change the filter. 8990 if (disabledPs != null && disabledPs.pkg.isStub) { 8991 // The package is the stub one, remove the stub suffix to get the normal 8992 // package and APK names. 8993 String systemProfilePath = 8994 getPrebuildProfilePath(disabledPs.pkg).replace(STUB_SUFFIX, ""); 8995 profileFile = new File(systemProfilePath); 8996 // If we have a profile for a compressed APK, copy it to the reference 8997 // location. 8998 // Note that copying the profile here will cause it to override the 8999 // reference profile every OTA even though the existing reference profile 9000 // may have more data. We can't copy during decompression since the 9001 // directories are not set up at that point. 9002 if (profileFile.exists()) { 9003 try { 9004 // We could also do this lazily before calling dexopt in 9005 // PackageDexOptimizer to prevent this happening on first boot. The 9006 // issue is that we don't have a good way to say "do this only 9007 // once". 9008 if (!mInstaller.copySystemProfile(profileFile.getAbsolutePath(), 9009 pkg.applicationInfo.uid, pkg.packageName, 9010 ArtManager.getProfileName(null))) { 9011 Log.e(TAG, "Failed to copy system profile for stub package!"); 9012 } else { 9013 useProfileForDexopt = true; 9014 } 9015 } catch (Exception e) { 9016 Log.e(TAG, "Failed to copy profile " + 9017 profileFile.getAbsolutePath() + " ", e); 9018 } 9019 } 9020 } 9021 } 9022 } 9023 9024 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 9025 if (DEBUG_DEXOPT) { 9026 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 9027 } 9028 numberOfPackagesSkipped++; 9029 continue; 9030 } 9031 9032 if (DEBUG_DEXOPT) { 9033 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 9034 numberOfPackagesToDexopt + ": " + pkg.packageName); 9035 } 9036 9037 if (showDialog) { 9038 try { 9039 ActivityManager.getService().showBootMessage( 9040 mContext.getResources().getString(R.string.android_upgrading_apk, 9041 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 9042 } catch (RemoteException e) { 9043 } 9044 synchronized (mPackages) { 9045 mDexOptDialogShown = true; 9046 } 9047 } 9048 9049 int pkgCompilationReason = compilationReason; 9050 if (useProfileForDexopt) { 9051 // Use background dexopt mode to try and use the profile. Note that this does not 9052 // guarantee usage of the profile. 9053 pkgCompilationReason = PackageManagerService.REASON_BACKGROUND_DEXOPT; 9054 } 9055 9056 // checkProfiles is false to avoid merging profiles during boot which 9057 // might interfere with background compilation (b/28612421). 9058 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 9059 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 9060 // trade-off worth doing to save boot time work. 9061 int dexoptFlags = bootComplete ? DexoptOptions.DEXOPT_BOOT_COMPLETE : 0; 9062 if (compilationReason == REASON_FIRST_BOOT) { 9063 // TODO: This doesn't cover the upgrade case, we should check for this too. 9064 dexoptFlags |= DexoptOptions.DEXOPT_INSTALL_WITH_DEX_METADATA_FILE; 9065 } 9066 int primaryDexOptStaus = performDexOptTraced(new DexoptOptions( 9067 pkg.packageName, 9068 pkgCompilationReason, 9069 dexoptFlags)); 9070 9071 switch (primaryDexOptStaus) { 9072 case PackageDexOptimizer.DEX_OPT_PERFORMED: 9073 numberOfPackagesOptimized++; 9074 break; 9075 case PackageDexOptimizer.DEX_OPT_SKIPPED: 9076 numberOfPackagesSkipped++; 9077 break; 9078 case PackageDexOptimizer.DEX_OPT_FAILED: 9079 numberOfPackagesFailed++; 9080 break; 9081 default: 9082 Log.e(TAG, "Unexpected dexopt return code " + primaryDexOptStaus); 9083 break; 9084 } 9085 } 9086 9087 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 9088 numberOfPackagesFailed }; 9089 } 9090 9091 @Override 9092 public void notifyPackageUse(String packageName, int reason) { 9093 synchronized (mPackages) { 9094 final int callingUid = Binder.getCallingUid(); 9095 final int callingUserId = UserHandle.getUserId(callingUid); 9096 if (getInstantAppPackageName(callingUid) != null) { 9097 if (!isCallerSameApp(packageName, callingUid)) { 9098 return; 9099 } 9100 } else { 9101 if (isInstantApp(packageName, callingUserId)) { 9102 return; 9103 } 9104 } 9105 notifyPackageUseLocked(packageName, reason); 9106 } 9107 } 9108 9109 @GuardedBy("mPackages") 9110 private void notifyPackageUseLocked(String packageName, int reason) { 9111 final PackageParser.Package p = mPackages.get(packageName); 9112 if (p == null) { 9113 return; 9114 } 9115 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 9116 } 9117 9118 @Override 9119 public void notifyDexLoad(String loadingPackageName, List<String> classLoaderNames, 9120 List<String> classPaths, String loaderIsa) { 9121 int userId = UserHandle.getCallingUserId(); 9122 ApplicationInfo ai = getApplicationInfo(loadingPackageName, /*flags*/ 0, userId); 9123 if (ai == null) { 9124 Slog.w(TAG, "Loading a package that does not exist for the calling user. package=" 9125 + loadingPackageName + ", user=" + userId); 9126 return; 9127 } 9128 mDexManager.notifyDexLoad(ai, classLoaderNames, classPaths, loaderIsa, userId); 9129 } 9130 9131 @Override 9132 public void registerDexModule(String packageName, String dexModulePath, boolean isSharedModule, 9133 IDexModuleRegisterCallback callback) { 9134 int userId = UserHandle.getCallingUserId(); 9135 ApplicationInfo ai = getApplicationInfo(packageName, /*flags*/ 0, userId); 9136 DexManager.RegisterDexModuleResult result; 9137 if (ai == null) { 9138 Slog.w(TAG, "Registering a dex module for a package that does not exist for the" + 9139 " calling user. package=" + packageName + ", user=" + userId); 9140 result = new DexManager.RegisterDexModuleResult(false, "Package not installed"); 9141 } else { 9142 result = mDexManager.registerDexModule(ai, dexModulePath, isSharedModule, userId); 9143 } 9144 9145 if (callback != null) { 9146 mHandler.post(() -> { 9147 try { 9148 callback.onDexModuleRegistered(dexModulePath, result.success, result.message); 9149 } catch (RemoteException e) { 9150 Slog.w(TAG, "Failed to callback after module registration " + dexModulePath, e); 9151 } 9152 }); 9153 } 9154 } 9155 9156 /** 9157 * Ask the package manager to perform a dex-opt with the given compiler filter. 9158 * 9159 * Note: exposed only for the shell command to allow moving packages explicitly to a 9160 * definite state. 9161 */ 9162 @Override 9163 public boolean performDexOptMode(String packageName, 9164 boolean checkProfiles, String targetCompilerFilter, boolean force, 9165 boolean bootComplete, String splitName) { 9166 int flags = (checkProfiles ? DexoptOptions.DEXOPT_CHECK_FOR_PROFILES_UPDATES : 0) | 9167 (force ? DexoptOptions.DEXOPT_FORCE : 0) | 9168 (bootComplete ? DexoptOptions.DEXOPT_BOOT_COMPLETE : 0); 9169 return performDexOpt(new DexoptOptions(packageName, REASON_UNKNOWN, 9170 targetCompilerFilter, splitName, flags)); 9171 } 9172 9173 /** 9174 * Ask the package manager to perform a dex-opt with the given compiler filter on the 9175 * secondary dex files belonging to the given package. 9176 * 9177 * Note: exposed only for the shell command to allow moving packages explicitly to a 9178 * definite state. 9179 */ 9180 @Override 9181 public boolean performDexOptSecondary(String packageName, String compilerFilter, 9182 boolean force) { 9183 int flags = DexoptOptions.DEXOPT_ONLY_SECONDARY_DEX | 9184 DexoptOptions.DEXOPT_CHECK_FOR_PROFILES_UPDATES | 9185 DexoptOptions.DEXOPT_BOOT_COMPLETE | 9186 (force ? DexoptOptions.DEXOPT_FORCE : 0); 9187 return performDexOpt(new DexoptOptions(packageName, compilerFilter, flags)); 9188 } 9189 9190 /*package*/ boolean performDexOpt(DexoptOptions options) { 9191 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 9192 return false; 9193 } else if (isInstantApp(options.getPackageName(), UserHandle.getCallingUserId())) { 9194 return false; 9195 } 9196 9197 if (options.isDexoptOnlySecondaryDex()) { 9198 return mDexManager.dexoptSecondaryDex(options); 9199 } else { 9200 int dexoptStatus = performDexOptWithStatus(options); 9201 return dexoptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 9202 } 9203 } 9204 9205 /** 9206 * Perform dexopt on the given package and return one of following result: 9207 * {@link PackageDexOptimizer#DEX_OPT_SKIPPED} 9208 * {@link PackageDexOptimizer#DEX_OPT_PERFORMED} 9209 * {@link PackageDexOptimizer#DEX_OPT_FAILED} 9210 */ 9211 /* package */ int performDexOptWithStatus(DexoptOptions options) { 9212 return performDexOptTraced(options); 9213 } 9214 9215 private int performDexOptTraced(DexoptOptions options) { 9216 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 9217 try { 9218 return performDexOptInternal(options); 9219 } finally { 9220 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9221 } 9222 } 9223 9224 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 9225 // if the package can now be considered up to date for the given filter. 9226 private int performDexOptInternal(DexoptOptions options) { 9227 PackageParser.Package p; 9228 synchronized (mPackages) { 9229 p = mPackages.get(options.getPackageName()); 9230 if (p == null) { 9231 // Package could not be found. Report failure. 9232 return PackageDexOptimizer.DEX_OPT_FAILED; 9233 } 9234 mPackageUsage.maybeWriteAsync(mPackages); 9235 mCompilerStats.maybeWriteAsync(); 9236 } 9237 long callingId = Binder.clearCallingIdentity(); 9238 try { 9239 synchronized (mInstallLock) { 9240 return performDexOptInternalWithDependenciesLI(p, options); 9241 } 9242 } finally { 9243 Binder.restoreCallingIdentity(callingId); 9244 } 9245 } 9246 9247 public ArraySet<String> getOptimizablePackages() { 9248 ArraySet<String> pkgs = new ArraySet<String>(); 9249 synchronized (mPackages) { 9250 for (PackageParser.Package p : mPackages.values()) { 9251 if (PackageDexOptimizer.canOptimizePackage(p)) { 9252 pkgs.add(p.packageName); 9253 } 9254 } 9255 } 9256 return pkgs; 9257 } 9258 9259 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 9260 DexoptOptions options) { 9261 // Select the dex optimizer based on the force parameter. 9262 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 9263 // allocate an object here. 9264 PackageDexOptimizer pdo = options.isForce() 9265 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 9266 : mPackageDexOptimizer; 9267 9268 // Dexopt all dependencies first. Note: we ignore the return value and march on 9269 // on errors. 9270 // Note that we are going to call performDexOpt on those libraries as many times as 9271 // they are referenced in packages. When we do a batch of performDexOpt (for example 9272 // at boot, or background job), the passed 'targetCompilerFilter' stays the same, 9273 // and the first package that uses the library will dexopt it. The 9274 // others will see that the compiled code for the library is up to date. 9275 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 9276 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 9277 if (!deps.isEmpty()) { 9278 DexoptOptions libraryOptions = new DexoptOptions(options.getPackageName(), 9279 options.getCompilationReason(), options.getCompilerFilter(), 9280 options.getSplitName(), 9281 options.getFlags() | DexoptOptions.DEXOPT_AS_SHARED_LIBRARY); 9282 for (PackageParser.Package depPackage : deps) { 9283 // TODO: Analyze and investigate if we (should) profile libraries. 9284 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 9285 getOrCreateCompilerPackageStats(depPackage), 9286 mDexManager.getPackageUseInfoOrDefault(depPackage.packageName), libraryOptions); 9287 } 9288 } 9289 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, 9290 getOrCreateCompilerPackageStats(p), 9291 mDexManager.getPackageUseInfoOrDefault(p.packageName), options); 9292 } 9293 9294 /** 9295 * Reconcile the information we have about the secondary dex files belonging to 9296 * {@code packagName} and the actual dex files. For all dex files that were 9297 * deleted, update the internal records and delete the generated oat files. 9298 */ 9299 @Override 9300 public void reconcileSecondaryDexFiles(String packageName) { 9301 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 9302 return; 9303 } else if (isInstantApp(packageName, UserHandle.getCallingUserId())) { 9304 return; 9305 } 9306 mDexManager.reconcileSecondaryDexFiles(packageName); 9307 } 9308 9309 // TODO(calin): this is only needed for BackgroundDexOptService. Find a cleaner way to inject 9310 // a reference there. 9311 /*package*/ DexManager getDexManager() { 9312 return mDexManager; 9313 } 9314 9315 /** 9316 * Execute the background dexopt job immediately. 9317 */ 9318 @Override 9319 public boolean runBackgroundDexoptJob(@Nullable List<String> packageNames) { 9320 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 9321 return false; 9322 } 9323 return BackgroundDexOptService.runIdleOptimizationsNow(this, mContext, packageNames); 9324 } 9325 9326 List<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 9327 if (p.usesLibraries != null || p.usesOptionalLibraries != null 9328 || p.usesStaticLibraries != null) { 9329 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 9330 Set<String> collectedNames = new HashSet<>(); 9331 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 9332 9333 retValue.remove(p); 9334 9335 return retValue; 9336 } else { 9337 return Collections.emptyList(); 9338 } 9339 } 9340 9341 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 9342 ArrayList<PackageParser.Package> collected, Set<String> collectedNames) { 9343 if (!collectedNames.contains(p.packageName)) { 9344 collectedNames.add(p.packageName); 9345 collected.add(p); 9346 9347 if (p.usesLibraries != null) { 9348 findSharedNonSystemLibrariesRecursive(p.usesLibraries, 9349 null, collected, collectedNames); 9350 } 9351 if (p.usesOptionalLibraries != null) { 9352 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, 9353 null, collected, collectedNames); 9354 } 9355 if (p.usesStaticLibraries != null) { 9356 findSharedNonSystemLibrariesRecursive(p.usesStaticLibraries, 9357 p.usesStaticLibrariesVersions, collected, collectedNames); 9358 } 9359 } 9360 } 9361 9362 private void findSharedNonSystemLibrariesRecursive(ArrayList<String> libs, long[] versions, 9363 ArrayList<PackageParser.Package> collected, Set<String> collectedNames) { 9364 final int libNameCount = libs.size(); 9365 for (int i = 0; i < libNameCount; i++) { 9366 String libName = libs.get(i); 9367 long version = (versions != null && versions.length == libNameCount) 9368 ? versions[i] : PackageManager.VERSION_CODE_HIGHEST; 9369 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName, version); 9370 if (libPkg != null) { 9371 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 9372 } 9373 } 9374 } 9375 9376 private PackageParser.Package findSharedNonSystemLibrary(String name, long version) { 9377 synchronized (mPackages) { 9378 SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(name, version); 9379 if (libEntry != null) { 9380 return mPackages.get(libEntry.apk); 9381 } 9382 return null; 9383 } 9384 } 9385 9386 private SharedLibraryEntry getSharedLibraryEntryLPr(String name, long version) { 9387 LongSparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 9388 if (versionedLib == null) { 9389 return null; 9390 } 9391 return versionedLib.get(version); 9392 } 9393 9394 private SharedLibraryEntry getLatestSharedLibraVersionLPr(PackageParser.Package pkg) { 9395 LongSparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get( 9396 pkg.staticSharedLibName); 9397 if (versionedLib == null) { 9398 return null; 9399 } 9400 long previousLibVersion = -1; 9401 final int versionCount = versionedLib.size(); 9402 for (int i = 0; i < versionCount; i++) { 9403 final long libVersion = versionedLib.keyAt(i); 9404 if (libVersion < pkg.staticSharedLibVersion) { 9405 previousLibVersion = Math.max(previousLibVersion, libVersion); 9406 } 9407 } 9408 if (previousLibVersion >= 0) { 9409 return versionedLib.get(previousLibVersion); 9410 } 9411 return null; 9412 } 9413 9414 public void shutdown() { 9415 mPackageUsage.writeNow(mPackages); 9416 mCompilerStats.writeNow(); 9417 mDexManager.writePackageDexUsageNow(); 9418 } 9419 9420 @Override 9421 public void dumpProfiles(String packageName) { 9422 PackageParser.Package pkg; 9423 synchronized (mPackages) { 9424 pkg = mPackages.get(packageName); 9425 if (pkg == null) { 9426 throw new IllegalArgumentException("Unknown package: " + packageName); 9427 } 9428 } 9429 /* Only the shell, root, or the app user should be able to dump profiles. */ 9430 int callingUid = Binder.getCallingUid(); 9431 if (callingUid != Process.SHELL_UID && 9432 callingUid != Process.ROOT_UID && 9433 callingUid != pkg.applicationInfo.uid) { 9434 throw new SecurityException("dumpProfiles"); 9435 } 9436 9437 synchronized (mInstallLock) { 9438 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 9439 mArtManagerService.dumpProfiles(pkg); 9440 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9441 } 9442 } 9443 9444 @Override 9445 public void forceDexOpt(String packageName) { 9446 enforceSystemOrRoot("forceDexOpt"); 9447 9448 PackageParser.Package pkg; 9449 synchronized (mPackages) { 9450 pkg = mPackages.get(packageName); 9451 if (pkg == null) { 9452 throw new IllegalArgumentException("Unknown package: " + packageName); 9453 } 9454 } 9455 9456 synchronized (mInstallLock) { 9457 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 9458 9459 // Whoever is calling forceDexOpt wants a compiled package. 9460 // Don't use profiles since that may cause compilation to be skipped. 9461 final int res = performDexOptInternalWithDependenciesLI( 9462 pkg, 9463 new DexoptOptions(packageName, 9464 getDefaultCompilerFilter(), 9465 DexoptOptions.DEXOPT_FORCE | DexoptOptions.DEXOPT_BOOT_COMPLETE)); 9466 9467 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9468 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 9469 throw new IllegalStateException("Failed to dexopt: " + res); 9470 } 9471 } 9472 } 9473 9474 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 9475 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 9476 Slog.w(TAG, "Unable to update from " + oldPkg.name 9477 + " to " + newPkg.packageName 9478 + ": old package not in system partition"); 9479 return false; 9480 } else if (mPackages.get(oldPkg.name) != null) { 9481 Slog.w(TAG, "Unable to update from " + oldPkg.name 9482 + " to " + newPkg.packageName 9483 + ": old package still exists"); 9484 return false; 9485 } 9486 return true; 9487 } 9488 9489 void removeCodePathLI(File codePath) { 9490 if (codePath.isDirectory()) { 9491 try { 9492 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 9493 } catch (InstallerException e) { 9494 Slog.w(TAG, "Failed to remove code path", e); 9495 } 9496 } else { 9497 codePath.delete(); 9498 } 9499 } 9500 9501 private int[] resolveUserIds(int userId) { 9502 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 9503 } 9504 9505 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 9506 if (pkg == null) { 9507 Slog.wtf(TAG, "Package was null!", new Throwable()); 9508 return; 9509 } 9510 clearAppDataLeafLIF(pkg, userId, flags); 9511 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9512 for (int i = 0; i < childCount; i++) { 9513 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 9514 } 9515 9516 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 9517 } 9518 9519 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 9520 final PackageSetting ps; 9521 synchronized (mPackages) { 9522 ps = mSettings.mPackages.get(pkg.packageName); 9523 } 9524 for (int realUserId : resolveUserIds(userId)) { 9525 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 9526 try { 9527 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 9528 ceDataInode); 9529 } catch (InstallerException e) { 9530 Slog.w(TAG, String.valueOf(e)); 9531 } 9532 } 9533 } 9534 9535 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 9536 if (pkg == null) { 9537 Slog.wtf(TAG, "Package was null!", new Throwable()); 9538 return; 9539 } 9540 destroyAppDataLeafLIF(pkg, userId, flags); 9541 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9542 for (int i = 0; i < childCount; i++) { 9543 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 9544 } 9545 } 9546 9547 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 9548 final PackageSetting ps; 9549 synchronized (mPackages) { 9550 ps = mSettings.mPackages.get(pkg.packageName); 9551 } 9552 for (int realUserId : resolveUserIds(userId)) { 9553 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 9554 try { 9555 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 9556 ceDataInode); 9557 } catch (InstallerException e) { 9558 Slog.w(TAG, String.valueOf(e)); 9559 } 9560 mDexManager.notifyPackageDataDestroyed(pkg.packageName, userId); 9561 } 9562 } 9563 9564 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 9565 if (pkg == null) { 9566 Slog.wtf(TAG, "Package was null!", new Throwable()); 9567 return; 9568 } 9569 destroyAppProfilesLeafLIF(pkg); 9570 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9571 for (int i = 0; i < childCount; i++) { 9572 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 9573 } 9574 } 9575 9576 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 9577 try { 9578 mInstaller.destroyAppProfiles(pkg.packageName); 9579 } catch (InstallerException e) { 9580 Slog.w(TAG, String.valueOf(e)); 9581 } 9582 } 9583 9584 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 9585 if (pkg == null) { 9586 Slog.wtf(TAG, "Package was null!", new Throwable()); 9587 return; 9588 } 9589 mArtManagerService.clearAppProfiles(pkg); 9590 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9591 for (int i = 0; i < childCount; i++) { 9592 mArtManagerService.clearAppProfiles(pkg.childPackages.get(i)); 9593 } 9594 } 9595 9596 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 9597 long lastUpdateTime) { 9598 // Set parent install/update time 9599 PackageSetting ps = (PackageSetting) pkg.mExtras; 9600 if (ps != null) { 9601 ps.firstInstallTime = firstInstallTime; 9602 ps.lastUpdateTime = lastUpdateTime; 9603 } 9604 // Set children install/update time 9605 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9606 for (int i = 0; i < childCount; i++) { 9607 PackageParser.Package childPkg = pkg.childPackages.get(i); 9608 ps = (PackageSetting) childPkg.mExtras; 9609 if (ps != null) { 9610 ps.firstInstallTime = firstInstallTime; 9611 ps.lastUpdateTime = lastUpdateTime; 9612 } 9613 } 9614 } 9615 9616 private void addSharedLibraryLPr(Set<String> usesLibraryFiles, 9617 SharedLibraryEntry file, 9618 PackageParser.Package changingLib) { 9619 if (file.path != null) { 9620 usesLibraryFiles.add(file.path); 9621 return; 9622 } 9623 PackageParser.Package p = mPackages.get(file.apk); 9624 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 9625 // If we are doing this while in the middle of updating a library apk, 9626 // then we need to make sure to use that new apk for determining the 9627 // dependencies here. (We haven't yet finished committing the new apk 9628 // to the package manager state.) 9629 if (p == null || p.packageName.equals(changingLib.packageName)) { 9630 p = changingLib; 9631 } 9632 } 9633 if (p != null) { 9634 usesLibraryFiles.addAll(p.getAllCodePaths()); 9635 if (p.usesLibraryFiles != null) { 9636 Collections.addAll(usesLibraryFiles, p.usesLibraryFiles); 9637 } 9638 } 9639 } 9640 9641 private void updateSharedLibrariesLPr(PackageParser.Package pkg, 9642 PackageParser.Package changingLib) throws PackageManagerException { 9643 if (pkg == null) { 9644 return; 9645 } 9646 // The collection used here must maintain the order of addition (so 9647 // that libraries are searched in the correct order) and must have no 9648 // duplicates. 9649 Set<String> usesLibraryFiles = null; 9650 if (pkg.usesLibraries != null) { 9651 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesLibraries, 9652 null, null, pkg.packageName, changingLib, true, 9653 pkg.applicationInfo.targetSdkVersion, null); 9654 } 9655 if (pkg.usesStaticLibraries != null) { 9656 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesStaticLibraries, 9657 pkg.usesStaticLibrariesVersions, pkg.usesStaticLibrariesCertDigests, 9658 pkg.packageName, changingLib, true, 9659 pkg.applicationInfo.targetSdkVersion, usesLibraryFiles); 9660 } 9661 if (pkg.usesOptionalLibraries != null) { 9662 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesOptionalLibraries, 9663 null, null, pkg.packageName, changingLib, false, 9664 pkg.applicationInfo.targetSdkVersion, usesLibraryFiles); 9665 } 9666 if (!ArrayUtils.isEmpty(usesLibraryFiles)) { 9667 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[usesLibraryFiles.size()]); 9668 } else { 9669 pkg.usesLibraryFiles = null; 9670 } 9671 } 9672 9673 private Set<String> addSharedLibrariesLPw(@NonNull List<String> requestedLibraries, 9674 @Nullable long[] requiredVersions, @Nullable String[][] requiredCertDigests, 9675 @NonNull String packageName, @Nullable PackageParser.Package changingLib, 9676 boolean required, int targetSdk, @Nullable Set<String> outUsedLibraries) 9677 throws PackageManagerException { 9678 final int libCount = requestedLibraries.size(); 9679 for (int i = 0; i < libCount; i++) { 9680 final String libName = requestedLibraries.get(i); 9681 final long libVersion = requiredVersions != null ? requiredVersions[i] 9682 : SharedLibraryInfo.VERSION_UNDEFINED; 9683 final SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(libName, libVersion); 9684 if (libEntry == null) { 9685 if (required) { 9686 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 9687 "Package " + packageName + " requires unavailable shared library " 9688 + libName + "; failing!"); 9689 } else if (DEBUG_SHARED_LIBRARIES) { 9690 Slog.i(TAG, "Package " + packageName 9691 + " desires unavailable shared library " 9692 + libName + "; ignoring!"); 9693 } 9694 } else { 9695 if (requiredVersions != null && requiredCertDigests != null) { 9696 if (libEntry.info.getLongVersion() != requiredVersions[i]) { 9697 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 9698 "Package " + packageName + " requires unavailable static shared" 9699 + " library " + libName + " version " 9700 + libEntry.info.getLongVersion() + "; failing!"); 9701 } 9702 9703 PackageParser.Package libPkg = mPackages.get(libEntry.apk); 9704 if (libPkg == null) { 9705 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 9706 "Package " + packageName + " requires unavailable static shared" 9707 + " library; failing!"); 9708 } 9709 9710 final String[] expectedCertDigests = requiredCertDigests[i]; 9711 9712 9713 if (expectedCertDigests.length > 1) { 9714 9715 // For apps targeting O MR1 we require explicit enumeration of all certs. 9716 final String[] libCertDigests = (targetSdk >= Build.VERSION_CODES.O_MR1) 9717 ? PackageUtils.computeSignaturesSha256Digests( 9718 libPkg.mSigningDetails.signatures) 9719 : PackageUtils.computeSignaturesSha256Digests( 9720 new Signature[]{libPkg.mSigningDetails.signatures[0]}); 9721 9722 // Take a shortcut if sizes don't match. Note that if an app doesn't 9723 // target O we don't parse the "additional-certificate" tags similarly 9724 // how we only consider all certs only for apps targeting O (see above). 9725 // Therefore, the size check is safe to make. 9726 if (expectedCertDigests.length != libCertDigests.length) { 9727 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 9728 "Package " + packageName + " requires differently signed" + 9729 " static shared library; failing!"); 9730 } 9731 9732 // Use a predictable order as signature order may vary 9733 Arrays.sort(libCertDigests); 9734 Arrays.sort(expectedCertDigests); 9735 9736 final int certCount = libCertDigests.length; 9737 for (int j = 0; j < certCount; j++) { 9738 if (!libCertDigests[j].equalsIgnoreCase(expectedCertDigests[j])) { 9739 throw new PackageManagerException( 9740 INSTALL_FAILED_MISSING_SHARED_LIBRARY, 9741 "Package " + packageName + " requires differently signed" + 9742 " static shared library; failing!"); 9743 } 9744 } 9745 } else { 9746 9747 // lib signing cert could have rotated beyond the one expected, check to see 9748 // if the new one has been blessed by the old 9749 if (!libPkg.mSigningDetails.hasSha256Certificate( 9750 ByteStringUtils.fromHexToByteArray(expectedCertDigests[0]))) { 9751 throw new PackageManagerException( 9752 INSTALL_FAILED_MISSING_SHARED_LIBRARY, 9753 "Package " + packageName + " requires differently signed" + 9754 " static shared library; failing!"); 9755 } 9756 } 9757 } 9758 9759 if (outUsedLibraries == null) { 9760 // Use LinkedHashSet to preserve the order of files added to 9761 // usesLibraryFiles while eliminating duplicates. 9762 outUsedLibraries = new LinkedHashSet<>(); 9763 } 9764 addSharedLibraryLPr(outUsedLibraries, libEntry, changingLib); 9765 } 9766 } 9767 return outUsedLibraries; 9768 } 9769 9770 private static boolean hasString(List<String> list, List<String> which) { 9771 if (list == null) { 9772 return false; 9773 } 9774 for (int i=list.size()-1; i>=0; i--) { 9775 for (int j=which.size()-1; j>=0; j--) { 9776 if (which.get(j).equals(list.get(i))) { 9777 return true; 9778 } 9779 } 9780 } 9781 return false; 9782 } 9783 9784 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 9785 PackageParser.Package changingPkg) { 9786 ArrayList<PackageParser.Package> res = null; 9787 for (PackageParser.Package pkg : mPackages.values()) { 9788 if (changingPkg != null 9789 && !hasString(pkg.usesLibraries, changingPkg.libraryNames) 9790 && !hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames) 9791 && !ArrayUtils.contains(pkg.usesStaticLibraries, 9792 changingPkg.staticSharedLibName)) { 9793 return null; 9794 } 9795 if (res == null) { 9796 res = new ArrayList<>(); 9797 } 9798 res.add(pkg); 9799 try { 9800 updateSharedLibrariesLPr(pkg, changingPkg); 9801 } catch (PackageManagerException e) { 9802 // If a system app update or an app and a required lib missing we 9803 // delete the package and for updated system apps keep the data as 9804 // it is better for the user to reinstall than to be in an limbo 9805 // state. Also libs disappearing under an app should never happen 9806 // - just in case. 9807 if (!pkg.isSystem() || pkg.isUpdatedSystemApp()) { 9808 final int flags = pkg.isUpdatedSystemApp() 9809 ? PackageManager.DELETE_KEEP_DATA : 0; 9810 deletePackageLIF(pkg.packageName, null, true, sUserManager.getUserIds(), 9811 flags , null, true, null); 9812 } 9813 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 9814 } 9815 } 9816 return res; 9817 } 9818 9819 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 9820 final @ParseFlags int parseFlags, @ScanFlags int scanFlags, long currentTime, 9821 @Nullable UserHandle user) throws PackageManagerException { 9822 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 9823 // If the package has children and this is the first dive in the function 9824 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 9825 // whether all packages (parent and children) would be successfully scanned 9826 // before the actual scan since scanning mutates internal state and we want 9827 // to atomically install the package and its children. 9828 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 9829 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 9830 scanFlags |= SCAN_CHECK_ONLY; 9831 } 9832 } else { 9833 scanFlags &= ~SCAN_CHECK_ONLY; 9834 } 9835 9836 final PackageParser.Package scannedPkg; 9837 try { 9838 // Scan the parent 9839 scannedPkg = scanPackageNewLI(pkg, parseFlags, scanFlags, currentTime, user); 9840 // Scan the children 9841 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9842 for (int i = 0; i < childCount; i++) { 9843 PackageParser.Package childPkg = pkg.childPackages.get(i); 9844 scanPackageNewLI(childPkg, parseFlags, 9845 scanFlags, currentTime, user); 9846 } 9847 } finally { 9848 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9849 } 9850 9851 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 9852 return scanPackageTracedLI(pkg, parseFlags, scanFlags, currentTime, user); 9853 } 9854 9855 return scannedPkg; 9856 } 9857 9858 /** The result of a package scan. */ 9859 private static class ScanResult { 9860 /** Whether or not the package scan was successful */ 9861 public final boolean success; 9862 /** 9863 * The final package settings. This may be the same object passed in 9864 * the {@link ScanRequest}, but, with modified values. 9865 */ 9866 @Nullable public final PackageSetting pkgSetting; 9867 /** ABI code paths that have changed in the package scan */ 9868 @Nullable public final List<String> changedAbiCodePath; 9869 public ScanResult( 9870 boolean success, 9871 @Nullable PackageSetting pkgSetting, 9872 @Nullable List<String> changedAbiCodePath) { 9873 this.success = success; 9874 this.pkgSetting = pkgSetting; 9875 this.changedAbiCodePath = changedAbiCodePath; 9876 } 9877 } 9878 9879 /** A package to be scanned */ 9880 private static class ScanRequest { 9881 /** The parsed package */ 9882 @NonNull public final PackageParser.Package pkg; 9883 /** The package this package replaces */ 9884 @Nullable public final PackageParser.Package oldPkg; 9885 /** Shared user settings, if the package has a shared user */ 9886 @Nullable public final SharedUserSetting sharedUserSetting; 9887 /** 9888 * Package settings of the currently installed version. 9889 * <p><em>IMPORTANT:</em> The contents of this object may be modified 9890 * during scan. 9891 */ 9892 @Nullable public final PackageSetting pkgSetting; 9893 /** A copy of the settings for the currently installed version */ 9894 @Nullable public final PackageSetting oldPkgSetting; 9895 /** Package settings for the disabled version on the /system partition */ 9896 @Nullable public final PackageSetting disabledPkgSetting; 9897 /** Package settings for the installed version under its original package name */ 9898 @Nullable public final PackageSetting originalPkgSetting; 9899 /** The real package name of a renamed application */ 9900 @Nullable public final String realPkgName; 9901 public final @ParseFlags int parseFlags; 9902 public final @ScanFlags int scanFlags; 9903 /** The user for which the package is being scanned */ 9904 @Nullable public final UserHandle user; 9905 /** Whether or not the platform package is being scanned */ 9906 public final boolean isPlatformPackage; 9907 public ScanRequest( 9908 @NonNull PackageParser.Package pkg, 9909 @Nullable SharedUserSetting sharedUserSetting, 9910 @Nullable PackageParser.Package oldPkg, 9911 @Nullable PackageSetting pkgSetting, 9912 @Nullable PackageSetting disabledPkgSetting, 9913 @Nullable PackageSetting originalPkgSetting, 9914 @Nullable String realPkgName, 9915 @ParseFlags int parseFlags, 9916 @ScanFlags int scanFlags, 9917 boolean isPlatformPackage, 9918 @Nullable UserHandle user) { 9919 this.pkg = pkg; 9920 this.oldPkg = oldPkg; 9921 this.pkgSetting = pkgSetting; 9922 this.sharedUserSetting = sharedUserSetting; 9923 this.oldPkgSetting = pkgSetting == null ? null : new PackageSetting(pkgSetting); 9924 this.disabledPkgSetting = disabledPkgSetting; 9925 this.originalPkgSetting = originalPkgSetting; 9926 this.realPkgName = realPkgName; 9927 this.parseFlags = parseFlags; 9928 this.scanFlags = scanFlags; 9929 this.isPlatformPackage = isPlatformPackage; 9930 this.user = user; 9931 } 9932 } 9933 9934 /** 9935 * Returns the actual scan flags depending upon the state of the other settings. 9936 * <p>Updated system applications will not have the following flags set 9937 * by default and need to be adjusted after the fact: 9938 * <ul> 9939 * <li>{@link #SCAN_AS_SYSTEM}</li> 9940 * <li>{@link #SCAN_AS_PRIVILEGED}</li> 9941 * <li>{@link #SCAN_AS_OEM}</li> 9942 * <li>{@link #SCAN_AS_VENDOR}</li> 9943 * <li>{@link #SCAN_AS_PRODUCT}</li> 9944 * <li>{@link #SCAN_AS_INSTANT_APP}</li> 9945 * <li>{@link #SCAN_AS_VIRTUAL_PRELOAD}</li> 9946 * </ul> 9947 */ 9948 private @ScanFlags int adjustScanFlags(@ScanFlags int scanFlags, 9949 PackageSetting pkgSetting, PackageSetting disabledPkgSetting, UserHandle user, 9950 PackageParser.Package pkg) { 9951 if (disabledPkgSetting != null) { 9952 // updated system application, must at least have SCAN_AS_SYSTEM 9953 scanFlags |= SCAN_AS_SYSTEM; 9954 if ((disabledPkgSetting.pkgPrivateFlags 9955 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 9956 scanFlags |= SCAN_AS_PRIVILEGED; 9957 } 9958 if ((disabledPkgSetting.pkgPrivateFlags 9959 & ApplicationInfo.PRIVATE_FLAG_OEM) != 0) { 9960 scanFlags |= SCAN_AS_OEM; 9961 } 9962 if ((disabledPkgSetting.pkgPrivateFlags 9963 & ApplicationInfo.PRIVATE_FLAG_VENDOR) != 0) { 9964 scanFlags |= SCAN_AS_VENDOR; 9965 } 9966 if ((disabledPkgSetting.pkgPrivateFlags 9967 & ApplicationInfo.PRIVATE_FLAG_PRODUCT) != 0) { 9968 scanFlags |= SCAN_AS_PRODUCT; 9969 } 9970 } 9971 if (pkgSetting != null) { 9972 final int userId = ((user == null) ? 0 : user.getIdentifier()); 9973 if (pkgSetting.getInstantApp(userId)) { 9974 scanFlags |= SCAN_AS_INSTANT_APP; 9975 } 9976 if (pkgSetting.getVirtulalPreload(userId)) { 9977 scanFlags |= SCAN_AS_VIRTUAL_PRELOAD; 9978 } 9979 } 9980 9981 // Scan as privileged apps that share a user with a priv-app. 9982 final boolean skipVendorPrivilegeScan = ((scanFlags & SCAN_AS_VENDOR) != 0) 9983 && SystemProperties.getInt("ro.vndk.version", 28) < 28; 9984 if (((scanFlags & SCAN_AS_PRIVILEGED) == 0) 9985 && !pkg.isPrivileged() 9986 && (pkg.mSharedUserId != null) 9987 && !skipVendorPrivilegeScan) { 9988 SharedUserSetting sharedUserSetting = null; 9989 try { 9990 sharedUserSetting = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, false); 9991 } catch (PackageManagerException ignore) {} 9992 if (sharedUserSetting != null && sharedUserSetting.isPrivileged()) { 9993 // Exempt SharedUsers signed with the platform key. 9994 // TODO(b/72378145) Fix this exemption. Force signature apps 9995 // to whitelist their privileged permissions just like other 9996 // priv-apps. 9997 synchronized (mPackages) { 9998 PackageSetting platformPkgSetting = mSettings.mPackages.get("android"); 9999 if ((compareSignatures(platformPkgSetting.signatures.mSigningDetails.signatures, 10000 pkg.mSigningDetails.signatures) != PackageManager.SIGNATURE_MATCH)) { 10001 scanFlags |= SCAN_AS_PRIVILEGED; 10002 } 10003 } 10004 } 10005 } 10006 10007 return scanFlags; 10008 } 10009 10010 // TODO: scanPackageNewLI() and scanPackageOnly() should be merged. But, first, commiting 10011 // the results / removing app data needs to be moved up a level to the callers of this 10012 // method. Also, we need to solve the problem of potentially creating a new shared user 10013 // setting. That can probably be done later and patch things up after the fact. 10014 @GuardedBy("mInstallLock") 10015 private PackageParser.Package scanPackageNewLI(@NonNull PackageParser.Package pkg, 10016 final @ParseFlags int parseFlags, @ScanFlags int scanFlags, long currentTime, 10017 @Nullable UserHandle user) throws PackageManagerException { 10018 10019 final String renamedPkgName = mSettings.getRenamedPackageLPr(pkg.mRealPackage); 10020 final String realPkgName = getRealPackageName(pkg, renamedPkgName); 10021 if (realPkgName != null) { 10022 ensurePackageRenamed(pkg, renamedPkgName); 10023 } 10024 final PackageSetting originalPkgSetting = getOriginalPackageLocked(pkg, renamedPkgName); 10025 final PackageSetting pkgSetting = mSettings.getPackageLPr(pkg.packageName); 10026 final PackageSetting disabledPkgSetting = 10027 mSettings.getDisabledSystemPkgLPr(pkg.packageName); 10028 10029 if (mTransferedPackages.contains(pkg.packageName)) { 10030 Slog.w(TAG, "Package " + pkg.packageName 10031 + " was transferred to another, but its .apk remains"); 10032 } 10033 10034 scanFlags = adjustScanFlags(scanFlags, pkgSetting, disabledPkgSetting, user, pkg); 10035 synchronized (mPackages) { 10036 applyPolicy(pkg, parseFlags, scanFlags, mPlatformPackage); 10037 assertPackageIsValid(pkg, parseFlags, scanFlags); 10038 10039 SharedUserSetting sharedUserSetting = null; 10040 if (pkg.mSharedUserId != null) { 10041 // SIDE EFFECTS; may potentially allocate a new shared user 10042 sharedUserSetting = mSettings.getSharedUserLPw( 10043 pkg.mSharedUserId, 0 /*pkgFlags*/, 0 /*pkgPrivateFlags*/, true /*create*/); 10044 if (DEBUG_PACKAGE_SCANNING) { 10045 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 10046 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId 10047 + " (uid=" + sharedUserSetting.userId + "):" 10048 + " packages=" + sharedUserSetting.packages); 10049 } 10050 } 10051 10052 boolean scanSucceeded = false; 10053 try { 10054 final ScanRequest request = new ScanRequest(pkg, sharedUserSetting, 10055 pkgSetting == null ? null : pkgSetting.pkg, pkgSetting, disabledPkgSetting, 10056 originalPkgSetting, realPkgName, parseFlags, scanFlags, 10057 (pkg == mPlatformPackage), user); 10058 final ScanResult result = scanPackageOnlyLI(request, mFactoryTest, currentTime); 10059 if (result.success) { 10060 commitScanResultsLocked(request, result); 10061 } 10062 scanSucceeded = true; 10063 } finally { 10064 if (!scanSucceeded && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 10065 // DELETE_DATA_ON_FAILURES is only used by frozen paths 10066 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 10067 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 10068 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 10069 } 10070 } 10071 } 10072 return pkg; 10073 } 10074 10075 /** 10076 * Commits the package scan and modifies system state. 10077 * <p><em>WARNING:</em> The method may throw an excpetion in the middle 10078 * of committing the package, leaving the system in an inconsistent state. 10079 * This needs to be fixed so, once we get to this point, no errors are 10080 * possible and the system is not left in an inconsistent state. 10081 */ 10082 @GuardedBy("mPackages") 10083 private void commitScanResultsLocked(@NonNull ScanRequest request, @NonNull ScanResult result) 10084 throws PackageManagerException { 10085 final PackageParser.Package pkg = request.pkg; 10086 final PackageParser.Package oldPkg = request.oldPkg; 10087 final @ParseFlags int parseFlags = request.parseFlags; 10088 final @ScanFlags int scanFlags = request.scanFlags; 10089 final PackageSetting oldPkgSetting = request.oldPkgSetting; 10090 final PackageSetting originalPkgSetting = request.originalPkgSetting; 10091 final PackageSetting disabledPkgSetting = request.disabledPkgSetting; 10092 final UserHandle user = request.user; 10093 final String realPkgName = request.realPkgName; 10094 final PackageSetting pkgSetting = result.pkgSetting; 10095 final List<String> changedAbiCodePath = result.changedAbiCodePath; 10096 final boolean newPkgSettingCreated = (result.pkgSetting != request.pkgSetting); 10097 10098 if (newPkgSettingCreated) { 10099 if (originalPkgSetting != null) { 10100 mSettings.addRenamedPackageLPw(pkg.packageName, originalPkgSetting.name); 10101 } 10102 // THROWS: when we can't allocate a user id. add call to check if there's 10103 // enough space to ensure we won't throw; otherwise, don't modify state 10104 mSettings.addUserToSettingLPw(pkgSetting); 10105 10106 if (originalPkgSetting != null && (scanFlags & SCAN_CHECK_ONLY) == 0) { 10107 mTransferedPackages.add(originalPkgSetting.name); 10108 } 10109 } 10110 // TODO(toddke): Consider a method specifically for modifying the Package object 10111 // post scan; or, moving this stuff out of the Package object since it has nothing 10112 // to do with the package on disk. 10113 // We need to have this here because addUserToSettingLPw() is sometimes responsible 10114 // for creating the application ID. If we did this earlier, we would be saving the 10115 // correct ID. 10116 pkg.applicationInfo.uid = pkgSetting.appId; 10117 10118 mSettings.writeUserRestrictionsLPw(pkgSetting, oldPkgSetting); 10119 10120 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realPkgName != null) { 10121 mTransferedPackages.add(pkg.packageName); 10122 } 10123 10124 // THROWS: when requested libraries that can't be found. it only changes 10125 // the state of the passed in pkg object, so, move to the top of the method 10126 // and allow it to abort 10127 if ((scanFlags & SCAN_BOOTING) == 0 10128 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 10129 // Check all shared libraries and map to their actual file path. 10130 // We only do this here for apps not on a system dir, because those 10131 // are the only ones that can fail an install due to this. We 10132 // will take care of the system apps by updating all of their 10133 // library paths after the scan is done. Also during the initial 10134 // scan don't update any libs as we do this wholesale after all 10135 // apps are scanned to avoid dependency based scanning. 10136 updateSharedLibrariesLPr(pkg, null); 10137 } 10138 10139 // All versions of a static shared library are referenced with the same 10140 // package name. Internally, we use a synthetic package name to allow 10141 // multiple versions of the same shared library to be installed. So, 10142 // we need to generate the synthetic package name of the latest shared 10143 // library in order to compare signatures. 10144 PackageSetting signatureCheckPs = pkgSetting; 10145 if (pkg.applicationInfo.isStaticSharedLibrary()) { 10146 SharedLibraryEntry libraryEntry = getLatestSharedLibraVersionLPr(pkg); 10147 if (libraryEntry != null) { 10148 signatureCheckPs = mSettings.getPackageLPr(libraryEntry.apk); 10149 } 10150 } 10151 10152 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 10153 if (ksms.shouldCheckUpgradeKeySetLocked(signatureCheckPs, scanFlags)) { 10154 if (ksms.checkUpgradeKeySetLocked(signatureCheckPs, pkg)) { 10155 // We just determined the app is signed correctly, so bring 10156 // over the latest parsed certs. 10157 pkgSetting.signatures.mSigningDetails = pkg.mSigningDetails; 10158 } else { 10159 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 10160 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 10161 "Package " + pkg.packageName + " upgrade keys do not match the " 10162 + "previously installed version"); 10163 } else { 10164 pkgSetting.signatures.mSigningDetails = pkg.mSigningDetails; 10165 String msg = "System package " + pkg.packageName 10166 + " signature changed; retaining data."; 10167 reportSettingsProblem(Log.WARN, msg); 10168 } 10169 } 10170 } else { 10171 try { 10172 final boolean compareCompat = isCompatSignatureUpdateNeeded(pkg); 10173 final boolean compareRecover = isRecoverSignatureUpdateNeeded(pkg); 10174 final boolean compatMatch = verifySignatures(signatureCheckPs, disabledPkgSetting, 10175 pkg.mSigningDetails, compareCompat, compareRecover); 10176 // The new KeySets will be re-added later in the scanning process. 10177 if (compatMatch) { 10178 synchronized (mPackages) { 10179 ksms.removeAppKeySetDataLPw(pkg.packageName); 10180 } 10181 } 10182 // We just determined the app is signed correctly, so bring 10183 // over the latest parsed certs. 10184 pkgSetting.signatures.mSigningDetails = pkg.mSigningDetails; 10185 10186 10187 // if this is is a sharedUser, check to see if the new package is signed by a newer 10188 // signing certificate than the existing one, and if so, copy over the new details 10189 if (signatureCheckPs.sharedUser != null 10190 && pkg.mSigningDetails.hasAncestor( 10191 signatureCheckPs.sharedUser.signatures.mSigningDetails)) { 10192 signatureCheckPs.sharedUser.signatures.mSigningDetails = pkg.mSigningDetails; 10193 } 10194 } catch (PackageManagerException e) { 10195 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 10196 throw e; 10197 } 10198 // The signature has changed, but this package is in the system 10199 // image... let's recover! 10200 pkgSetting.signatures.mSigningDetails = pkg.mSigningDetails; 10201 // However... if this package is part of a shared user, but it 10202 // doesn't match the signature of the shared user, let's fail. 10203 // What this means is that you can't change the signatures 10204 // associated with an overall shared user, which doesn't seem all 10205 // that unreasonable. 10206 if (signatureCheckPs.sharedUser != null) { 10207 if (compareSignatures( 10208 signatureCheckPs.sharedUser.signatures.mSigningDetails.signatures, 10209 pkg.mSigningDetails.signatures) != PackageManager.SIGNATURE_MATCH) { 10210 throw new PackageManagerException( 10211 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 10212 "Signature mismatch for shared user: " 10213 + pkgSetting.sharedUser); 10214 } 10215 } 10216 // File a report about this. 10217 String msg = "System package " + pkg.packageName 10218 + " signature changed; retaining data."; 10219 reportSettingsProblem(Log.WARN, msg); 10220 } catch (IllegalArgumentException e) { 10221 10222 // should never happen: certs matched when checking, but not when comparing 10223 // old to new for sharedUser 10224 throw new PackageManagerException(INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 10225 "Signing certificates comparison made on incomparable signing details" 10226 + " but somehow passed verifySignatures!"); 10227 } 10228 } 10229 10230 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 10231 // This package wants to adopt ownership of permissions from 10232 // another package. 10233 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 10234 final String origName = pkg.mAdoptPermissions.get(i); 10235 final PackageSetting orig = mSettings.getPackageLPr(origName); 10236 if (orig != null) { 10237 if (verifyPackageUpdateLPr(orig, pkg)) { 10238 Slog.i(TAG, "Adopting permissions from " + origName + " to " 10239 + pkg.packageName); 10240 mSettings.mPermissions.transferPermissions(origName, pkg.packageName); 10241 } 10242 } 10243 } 10244 } 10245 10246 if (changedAbiCodePath != null && changedAbiCodePath.size() > 0) { 10247 for (int i = changedAbiCodePath.size() - 1; i >= 0; --i) { 10248 final String codePathString = changedAbiCodePath.get(i); 10249 try { 10250 mInstaller.rmdex(codePathString, 10251 getDexCodeInstructionSet(getPreferredInstructionSet())); 10252 } catch (InstallerException ignored) { 10253 } 10254 } 10255 } 10256 10257 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 10258 if (oldPkgSetting != null) { 10259 synchronized (mPackages) { 10260 mSettings.mPackages.put(oldPkgSetting.name, oldPkgSetting); 10261 } 10262 } 10263 } else { 10264 final int userId = user == null ? 0 : user.getIdentifier(); 10265 // Modify state for the given package setting 10266 commitPackageSettings(pkg, oldPkg, pkgSetting, user, scanFlags, 10267 (parseFlags & PackageParser.PARSE_CHATTY) != 0 /*chatty*/); 10268 if (pkgSetting.getInstantApp(userId)) { 10269 mInstantAppRegistry.addInstantAppLPw(userId, pkgSetting.appId); 10270 } 10271 } 10272 } 10273 10274 /** 10275 * Returns the "real" name of the package. 10276 * <p>This may differ from the package's actual name if the application has already 10277 * been installed under one of this package's original names. 10278 */ 10279 private static @Nullable String getRealPackageName(@NonNull PackageParser.Package pkg, 10280 @Nullable String renamedPkgName) { 10281 if (isPackageRenamed(pkg, renamedPkgName)) { 10282 return pkg.mRealPackage; 10283 } 10284 return null; 10285 } 10286 10287 /** Returns {@code true} if the package has been renamed. Otherwise, {@code false}. */ 10288 private static boolean isPackageRenamed(@NonNull PackageParser.Package pkg, 10289 @Nullable String renamedPkgName) { 10290 return pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(renamedPkgName); 10291 } 10292 10293 /** 10294 * Returns the original package setting. 10295 * <p>A package can migrate its name during an update. In this scenario, a package 10296 * designates a set of names that it considers as one of its original names. 10297 * <p>An original package must be signed identically and it must have the same 10298 * shared user [if any]. 10299 */ 10300 @GuardedBy("mPackages") 10301 private @Nullable PackageSetting getOriginalPackageLocked(@NonNull PackageParser.Package pkg, 10302 @Nullable String renamedPkgName) { 10303 if (!isPackageRenamed(pkg, renamedPkgName)) { 10304 return null; 10305 } 10306 for (int i = pkg.mOriginalPackages.size() - 1; i >= 0; --i) { 10307 final PackageSetting originalPs = 10308 mSettings.getPackageLPr(pkg.mOriginalPackages.get(i)); 10309 if (originalPs != null) { 10310 // the package is already installed under its original name... 10311 // but, should we use it? 10312 if (!verifyPackageUpdateLPr(originalPs, pkg)) { 10313 // the new package is incompatible with the original 10314 continue; 10315 } else if (originalPs.sharedUser != null) { 10316 if (!originalPs.sharedUser.name.equals(pkg.mSharedUserId)) { 10317 // the shared user id is incompatible with the original 10318 Slog.w(TAG, "Unable to migrate data from " + originalPs.name 10319 + " to " + pkg.packageName + ": old uid " 10320 + originalPs.sharedUser.name 10321 + " differs from " + pkg.mSharedUserId); 10322 continue; 10323 } 10324 // TODO: Add case when shared user id is added [b/28144775] 10325 } else { 10326 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 10327 + pkg.packageName + " to old name " + originalPs.name); 10328 } 10329 return originalPs; 10330 } 10331 } 10332 return null; 10333 } 10334 10335 /** 10336 * Renames the package if it was installed under a different name. 10337 * <p>When we've already installed the package under an original name, update 10338 * the new package so we can continue to have the old name. 10339 */ 10340 private static void ensurePackageRenamed(@NonNull PackageParser.Package pkg, 10341 @NonNull String renamedPackageName) { 10342 if (pkg.mOriginalPackages == null 10343 || !pkg.mOriginalPackages.contains(renamedPackageName) 10344 || pkg.packageName.equals(renamedPackageName)) { 10345 return; 10346 } 10347 pkg.setPackageName(renamedPackageName); 10348 } 10349 10350 /** 10351 * Just scans the package without any side effects. 10352 * <p>Not entirely true at the moment. There is still one side effect -- this 10353 * method potentially modifies a live {@link PackageSetting} object representing 10354 * the package being scanned. This will be resolved in the future. 10355 * 10356 * @param request Information about the package to be scanned 10357 * @param isUnderFactoryTest Whether or not the device is under factory test 10358 * @param currentTime The current time, in millis 10359 * @return The results of the scan 10360 */ 10361 @GuardedBy("mInstallLock") 10362 private static @NonNull ScanResult scanPackageOnlyLI(@NonNull ScanRequest request, 10363 boolean isUnderFactoryTest, long currentTime) 10364 throws PackageManagerException { 10365 final PackageParser.Package pkg = request.pkg; 10366 PackageSetting pkgSetting = request.pkgSetting; 10367 final PackageSetting disabledPkgSetting = request.disabledPkgSetting; 10368 final PackageSetting originalPkgSetting = request.originalPkgSetting; 10369 final @ParseFlags int parseFlags = request.parseFlags; 10370 final @ScanFlags int scanFlags = request.scanFlags; 10371 final String realPkgName = request.realPkgName; 10372 final SharedUserSetting sharedUserSetting = request.sharedUserSetting; 10373 final UserHandle user = request.user; 10374 final boolean isPlatformPackage = request.isPlatformPackage; 10375 10376 List<String> changedAbiCodePath = null; 10377 10378 if (DEBUG_PACKAGE_SCANNING) { 10379 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 10380 Log.d(TAG, "Scanning package " + pkg.packageName); 10381 } 10382 10383 if (Build.IS_DEBUGGABLE && 10384 pkg.isPrivileged() && 10385 SystemProperties.getBoolean(PROPERTY_NAME_PM_DEXOPT_PRIV_APPS_OOB, false)) { 10386 PackageManagerServiceUtils.logPackageHasUncompressedCode(pkg); 10387 } 10388 10389 // Initialize package source and resource directories 10390 final File scanFile = new File(pkg.codePath); 10391 final File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 10392 final File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 10393 10394 // We keep references to the derived CPU Abis from settings in oder to reuse 10395 // them in the case where we're not upgrading or booting for the first time. 10396 String primaryCpuAbiFromSettings = null; 10397 String secondaryCpuAbiFromSettings = null; 10398 boolean needToDeriveAbi = (scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) != 0; 10399 10400 if (!needToDeriveAbi) { 10401 if (pkgSetting != null) { 10402 primaryCpuAbiFromSettings = pkgSetting.primaryCpuAbiString; 10403 secondaryCpuAbiFromSettings = pkgSetting.secondaryCpuAbiString; 10404 } else { 10405 // Re-scanning a system package after uninstalling updates; need to derive ABI 10406 needToDeriveAbi = true; 10407 } 10408 } 10409 10410 if (pkgSetting != null && pkgSetting.sharedUser != sharedUserSetting) { 10411 PackageManagerService.reportSettingsProblem(Log.WARN, 10412 "Package " + pkg.packageName + " shared user changed from " 10413 + (pkgSetting.sharedUser != null 10414 ? pkgSetting.sharedUser.name : "<nothing>") 10415 + " to " 10416 + (sharedUserSetting != null ? sharedUserSetting.name : "<nothing>") 10417 + "; replacing with new"); 10418 pkgSetting = null; 10419 } 10420 10421 String[] usesStaticLibraries = null; 10422 if (pkg.usesStaticLibraries != null) { 10423 usesStaticLibraries = new String[pkg.usesStaticLibraries.size()]; 10424 pkg.usesStaticLibraries.toArray(usesStaticLibraries); 10425 } 10426 final boolean createNewPackage = (pkgSetting == null); 10427 if (createNewPackage) { 10428 final String parentPackageName = (pkg.parentPackage != null) 10429 ? pkg.parentPackage.packageName : null; 10430 final boolean instantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 10431 final boolean virtualPreload = (scanFlags & SCAN_AS_VIRTUAL_PRELOAD) != 0; 10432 // REMOVE SharedUserSetting from method; update in a separate call 10433 pkgSetting = Settings.createNewSetting(pkg.packageName, originalPkgSetting, 10434 disabledPkgSetting, realPkgName, sharedUserSetting, destCodeFile, 10435 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 10436 pkg.applicationInfo.primaryCpuAbi, pkg.applicationInfo.secondaryCpuAbi, 10437 pkg.mVersionCode, pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 10438 user, true /*allowInstall*/, instantApp, virtualPreload, 10439 parentPackageName, pkg.getChildPackageNames(), 10440 UserManagerService.getInstance(), usesStaticLibraries, 10441 pkg.usesStaticLibrariesVersions); 10442 } else { 10443 // REMOVE SharedUserSetting from method; update in a separate call. 10444 // 10445 // TODO(narayan): This update is bogus. nativeLibraryDir & primaryCpuAbi, 10446 // secondaryCpuAbi are not known at this point so we always update them 10447 // to null here, only to reset them at a later point. 10448 Settings.updatePackageSetting(pkgSetting, disabledPkgSetting, sharedUserSetting, 10449 destCodeFile, destResourceFile, pkg.applicationInfo.nativeLibraryDir, 10450 pkg.applicationInfo.primaryCpuAbi, pkg.applicationInfo.secondaryCpuAbi, 10451 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 10452 pkg.getChildPackageNames(), UserManagerService.getInstance(), 10453 usesStaticLibraries, pkg.usesStaticLibrariesVersions); 10454 } 10455 if (createNewPackage && originalPkgSetting != null) { 10456 // This is the initial transition from the original package, so, 10457 // fix up the new package's name now. We must do this after looking 10458 // up the package under its new name, so getPackageLP takes care of 10459 // fiddling things correctly. 10460 pkg.setPackageName(originalPkgSetting.name); 10461 10462 // File a report about this. 10463 String msg = "New package " + pkgSetting.realName 10464 + " renamed to replace old package " + pkgSetting.name; 10465 reportSettingsProblem(Log.WARN, msg); 10466 } 10467 10468 final int userId = (user == null ? UserHandle.USER_SYSTEM : user.getIdentifier()); 10469 // for existing packages, change the install state; but, only if it's explicitly specified 10470 if (!createNewPackage) { 10471 final boolean instantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 10472 final boolean fullApp = (scanFlags & SCAN_AS_FULL_APP) != 0; 10473 setInstantAppForUser(pkgSetting, userId, instantApp, fullApp); 10474 } 10475 10476 if (disabledPkgSetting != null) { 10477 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10478 } 10479 10480 // Apps which share a sharedUserId must be placed in the same selinux domain. If this 10481 // package is the first app installed as this shared user, set seInfoTargetSdkVersion to its 10482 // targetSdkVersion. These are later adjusted in PackageManagerService's constructor to be 10483 // the lowest targetSdkVersion of all apps within the shared user, which corresponds to the 10484 // least restrictive selinux domain. 10485 // NOTE: As new packages are installed / updated, the shared user's seinfoTargetSdkVersion 10486 // will NOT be modified until next boot, even if a lower targetSdkVersion is used. This 10487 // ensures that all packages continue to run in the same selinux domain. 10488 final int targetSdkVersion = 10489 ((sharedUserSetting != null) && (sharedUserSetting.packages.size() != 0)) ? 10490 sharedUserSetting.seInfoTargetSdkVersion : pkg.applicationInfo.targetSdkVersion; 10491 // TODO(b/71593002): isPrivileged for sharedUser and appInfo should never be out of sync. 10492 // They currently can be if the sharedUser apps are signed with the platform key. 10493 final boolean isPrivileged = (sharedUserSetting != null) ? 10494 sharedUserSetting.isPrivileged() | pkg.isPrivileged() : pkg.isPrivileged(); 10495 10496 pkg.applicationInfo.seInfo = SELinuxMMAC.getSeInfo(pkg, isPrivileged, 10497 pkg.applicationInfo.targetSandboxVersion, targetSdkVersion); 10498 pkg.applicationInfo.seInfoUser = SELinuxUtil.assignSeinfoUser(pkgSetting.readUserState( 10499 userId == UserHandle.USER_ALL ? UserHandle.USER_SYSTEM : userId)); 10500 10501 pkg.mExtras = pkgSetting; 10502 pkg.applicationInfo.processName = fixProcessName( 10503 pkg.applicationInfo.packageName, 10504 pkg.applicationInfo.processName); 10505 10506 if (!isPlatformPackage) { 10507 // Get all of our default paths setup 10508 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 10509 } 10510 10511 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 10512 10513 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 10514 if (needToDeriveAbi) { 10515 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "derivePackageAbi"); 10516 final boolean extractNativeLibs = !pkg.isLibrary(); 10517 derivePackageAbi(pkg, cpuAbiOverride, extractNativeLibs); 10518 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10519 10520 // Some system apps still use directory structure for native libraries 10521 // in which case we might end up not detecting abi solely based on apk 10522 // structure. Try to detect abi based on directory structure. 10523 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 10524 pkg.applicationInfo.primaryCpuAbi == null) { 10525 setBundledAppAbisAndRoots(pkg, pkgSetting); 10526 setNativeLibraryPaths(pkg, sAppLib32InstallDir); 10527 } 10528 } else { 10529 // This is not a first boot or an upgrade, don't bother deriving the 10530 // ABI during the scan. Instead, trust the value that was stored in the 10531 // package setting. 10532 pkg.applicationInfo.primaryCpuAbi = primaryCpuAbiFromSettings; 10533 pkg.applicationInfo.secondaryCpuAbi = secondaryCpuAbiFromSettings; 10534 10535 setNativeLibraryPaths(pkg, sAppLib32InstallDir); 10536 10537 if (DEBUG_ABI_SELECTION) { 10538 Slog.i(TAG, "Using ABIS and native lib paths from settings : " + 10539 pkg.packageName + " " + pkg.applicationInfo.primaryCpuAbi + ", " + 10540 pkg.applicationInfo.secondaryCpuAbi); 10541 } 10542 } 10543 } else { 10544 if ((scanFlags & SCAN_MOVE) != 0) { 10545 // We haven't run dex-opt for this move (since we've moved the compiled output too) 10546 // but we already have this packages package info in the PackageSetting. We just 10547 // use that and derive the native library path based on the new codepath. 10548 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 10549 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 10550 } 10551 10552 // Set native library paths again. For moves, the path will be updated based on the 10553 // ABIs we've determined above. For non-moves, the path will be updated based on the 10554 // ABIs we determined during compilation, but the path will depend on the final 10555 // package path (after the rename away from the stage path). 10556 setNativeLibraryPaths(pkg, sAppLib32InstallDir); 10557 } 10558 10559 // This is a special case for the "system" package, where the ABI is 10560 // dictated by the zygote configuration (and init.rc). We should keep track 10561 // of this ABI so that we can deal with "normal" applications that run under 10562 // the same UID correctly. 10563 if (isPlatformPackage) { 10564 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 10565 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 10566 } 10567 10568 // If there's a mismatch between the abi-override in the package setting 10569 // and the abiOverride specified for the install. Warn about this because we 10570 // would've already compiled the app without taking the package setting into 10571 // account. 10572 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 10573 if (cpuAbiOverride == null && pkg.packageName != null) { 10574 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 10575 " for package " + pkg.packageName); 10576 } 10577 } 10578 10579 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 10580 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 10581 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 10582 10583 // Copy the derived override back to the parsed package, so that we can 10584 // update the package settings accordingly. 10585 pkg.cpuAbiOverride = cpuAbiOverride; 10586 10587 if (DEBUG_ABI_SELECTION) { 10588 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.packageName 10589 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 10590 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 10591 } 10592 10593 // Push the derived path down into PackageSettings so we know what to 10594 // clean up at uninstall time. 10595 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 10596 10597 if (DEBUG_ABI_SELECTION) { 10598 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 10599 " primary=" + pkg.applicationInfo.primaryCpuAbi + 10600 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 10601 } 10602 10603 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 10604 // We don't do this here during boot because we can do it all 10605 // at once after scanning all existing packages. 10606 // 10607 // We also do this *before* we perform dexopt on this package, so that 10608 // we can avoid redundant dexopts, and also to make sure we've got the 10609 // code and package path correct. 10610 changedAbiCodePath = 10611 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, pkg); 10612 } 10613 10614 if (isUnderFactoryTest && pkg.requestedPermissions.contains( 10615 android.Manifest.permission.FACTORY_TEST)) { 10616 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 10617 } 10618 10619 if (isSystemApp(pkg)) { 10620 pkgSetting.isOrphaned = true; 10621 } 10622 10623 // Take care of first install / last update times. 10624 final long scanFileTime = getLastModifiedTime(pkg); 10625 if (currentTime != 0) { 10626 if (pkgSetting.firstInstallTime == 0) { 10627 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 10628 } else if ((scanFlags & SCAN_UPDATE_TIME) != 0) { 10629 pkgSetting.lastUpdateTime = currentTime; 10630 } 10631 } else if (pkgSetting.firstInstallTime == 0) { 10632 // We need *something*. Take time time stamp of the file. 10633 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 10634 } else if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 10635 if (scanFileTime != pkgSetting.timeStamp) { 10636 // A package on the system image has changed; consider this 10637 // to be an update. 10638 pkgSetting.lastUpdateTime = scanFileTime; 10639 } 10640 } 10641 pkgSetting.setTimeStamp(scanFileTime); 10642 10643 pkgSetting.pkg = pkg; 10644 pkgSetting.pkgFlags = pkg.applicationInfo.flags; 10645 if (pkg.getLongVersionCode() != pkgSetting.versionCode) { 10646 pkgSetting.versionCode = pkg.getLongVersionCode(); 10647 } 10648 // Update volume if needed 10649 final String volumeUuid = pkg.applicationInfo.volumeUuid; 10650 if (!Objects.equals(volumeUuid, pkgSetting.volumeUuid)) { 10651 Slog.i(PackageManagerService.TAG, 10652 "Update" + (pkgSetting.isSystem() ? " system" : "") 10653 + " package " + pkg.packageName 10654 + " volume from " + pkgSetting.volumeUuid 10655 + " to " + volumeUuid); 10656 pkgSetting.volumeUuid = volumeUuid; 10657 } 10658 10659 return new ScanResult(true, pkgSetting, changedAbiCodePath); 10660 } 10661 10662 /** 10663 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 10664 */ 10665 private static boolean apkHasCode(String fileName) { 10666 StrictJarFile jarFile = null; 10667 try { 10668 jarFile = new StrictJarFile(fileName, 10669 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 10670 return jarFile.findEntry("classes.dex") != null; 10671 } catch (IOException ignore) { 10672 } finally { 10673 try { 10674 if (jarFile != null) { 10675 jarFile.close(); 10676 } 10677 } catch (IOException ignore) {} 10678 } 10679 return false; 10680 } 10681 10682 /** 10683 * Enforces code policy for the package. This ensures that if an APK has 10684 * declared hasCode="true" in its manifest that the APK actually contains 10685 * code. 10686 * 10687 * @throws PackageManagerException If bytecode could not be found when it should exist 10688 */ 10689 private static void assertCodePolicy(PackageParser.Package pkg) 10690 throws PackageManagerException { 10691 final boolean shouldHaveCode = 10692 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 10693 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 10694 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 10695 "Package " + pkg.baseCodePath + " code is missing"); 10696 } 10697 10698 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 10699 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 10700 final boolean splitShouldHaveCode = 10701 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 10702 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 10703 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 10704 "Package " + pkg.splitCodePaths[i] + " code is missing"); 10705 } 10706 } 10707 } 10708 } 10709 10710 /** 10711 * Applies policy to the parsed package based upon the given policy flags. 10712 * Ensures the package is in a good state. 10713 * <p> 10714 * Implementation detail: This method must NOT have any side effect. It would 10715 * ideally be static, but, it requires locks to read system state. 10716 */ 10717 private static void applyPolicy(PackageParser.Package pkg, final @ParseFlags int parseFlags, 10718 final @ScanFlags int scanFlags, PackageParser.Package platformPkg) { 10719 if ((scanFlags & SCAN_AS_SYSTEM) != 0) { 10720 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 10721 if (pkg.applicationInfo.isDirectBootAware()) { 10722 // we're direct boot aware; set for all components 10723 for (PackageParser.Service s : pkg.services) { 10724 s.info.encryptionAware = s.info.directBootAware = true; 10725 } 10726 for (PackageParser.Provider p : pkg.providers) { 10727 p.info.encryptionAware = p.info.directBootAware = true; 10728 } 10729 for (PackageParser.Activity a : pkg.activities) { 10730 a.info.encryptionAware = a.info.directBootAware = true; 10731 } 10732 for (PackageParser.Activity r : pkg.receivers) { 10733 r.info.encryptionAware = r.info.directBootAware = true; 10734 } 10735 } 10736 if (compressedFileExists(pkg.codePath)) { 10737 pkg.isStub = true; 10738 } 10739 } else { 10740 // non system apps can't be flagged as core 10741 pkg.coreApp = false; 10742 // clear flags not applicable to regular apps 10743 pkg.applicationInfo.flags &= 10744 ~ApplicationInfo.FLAG_PERSISTENT; 10745 pkg.applicationInfo.privateFlags &= 10746 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 10747 pkg.applicationInfo.privateFlags &= 10748 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 10749 // cap permission priorities 10750 if (pkg.permissionGroups != null && pkg.permissionGroups.size() > 0) { 10751 for (int i = pkg.permissionGroups.size() - 1; i >= 0; --i) { 10752 pkg.permissionGroups.get(i).info.priority = 0; 10753 } 10754 } 10755 } 10756 if ((scanFlags & SCAN_AS_PRIVILEGED) == 0) { 10757 // clear protected broadcasts 10758 pkg.protectedBroadcasts = null; 10759 // ignore export request for single user receivers 10760 if (pkg.receivers != null) { 10761 for (int i = pkg.receivers.size() - 1; i >= 0; --i) { 10762 final PackageParser.Activity receiver = pkg.receivers.get(i); 10763 if ((receiver.info.flags & ActivityInfo.FLAG_SINGLE_USER) != 0) { 10764 receiver.info.exported = false; 10765 } 10766 } 10767 } 10768 // ignore export request for single user services 10769 if (pkg.services != null) { 10770 for (int i = pkg.services.size() - 1; i >= 0; --i) { 10771 final PackageParser.Service service = pkg.services.get(i); 10772 if ((service.info.flags & ServiceInfo.FLAG_SINGLE_USER) != 0) { 10773 service.info.exported = false; 10774 } 10775 } 10776 } 10777 // ignore export request for single user providers 10778 if (pkg.providers != null) { 10779 for (int i = pkg.providers.size() - 1; i >= 0; --i) { 10780 final PackageParser.Provider provider = pkg.providers.get(i); 10781 if ((provider.info.flags & ProviderInfo.FLAG_SINGLE_USER) != 0) { 10782 provider.info.exported = false; 10783 } 10784 } 10785 } 10786 } 10787 10788 if ((scanFlags & SCAN_AS_PRIVILEGED) != 0) { 10789 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 10790 } 10791 10792 if ((scanFlags & SCAN_AS_OEM) != 0) { 10793 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_OEM; 10794 } 10795 10796 if ((scanFlags & SCAN_AS_VENDOR) != 0) { 10797 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_VENDOR; 10798 } 10799 10800 if ((scanFlags & SCAN_AS_PRODUCT) != 0) { 10801 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRODUCT; 10802 } 10803 10804 // Check if the package is signed with the same key as the platform package. 10805 if (PLATFORM_PACKAGE_NAME.equals(pkg.packageName) || 10806 (platformPkg != null && compareSignatures( 10807 platformPkg.mSigningDetails.signatures, 10808 pkg.mSigningDetails.signatures) == PackageManager.SIGNATURE_MATCH)) { 10809 pkg.applicationInfo.privateFlags |= 10810 ApplicationInfo.PRIVATE_FLAG_SIGNED_WITH_PLATFORM_KEY; 10811 } 10812 10813 if (!isSystemApp(pkg)) { 10814 // Only system apps can use these features. 10815 pkg.mOriginalPackages = null; 10816 pkg.mRealPackage = null; 10817 pkg.mAdoptPermissions = null; 10818 } 10819 } 10820 10821 private static @NonNull <T> T assertNotNull(@Nullable T object, String message) 10822 throws PackageManagerException { 10823 if (object == null) { 10824 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, message); 10825 } 10826 return object; 10827 } 10828 10829 /** 10830 * Asserts the parsed package is valid according to the given policy. If the 10831 * package is invalid, for whatever reason, throws {@link PackageManagerException}. 10832 * <p> 10833 * Implementation detail: This method must NOT have any side effects. It would 10834 * ideally be static, but, it requires locks to read system state. 10835 * 10836 * @throws PackageManagerException If the package fails any of the validation checks 10837 */ 10838 private void assertPackageIsValid(PackageParser.Package pkg, final @ParseFlags int parseFlags, 10839 final @ScanFlags int scanFlags) 10840 throws PackageManagerException { 10841 if ((parseFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 10842 assertCodePolicy(pkg); 10843 } 10844 10845 if (pkg.applicationInfo.getCodePath() == null || 10846 pkg.applicationInfo.getResourcePath() == null) { 10847 // Bail out. The resource and code paths haven't been set. 10848 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 10849 "Code and resource paths haven't been set correctly"); 10850 } 10851 10852 // Make sure we're not adding any bogus keyset info 10853 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 10854 ksms.assertScannedPackageValid(pkg); 10855 10856 synchronized (mPackages) { 10857 // The special "android" package can only be defined once 10858 if (pkg.packageName.equals("android")) { 10859 if (mAndroidApplication != null) { 10860 Slog.w(TAG, "*************************************************"); 10861 Slog.w(TAG, "Core android package being redefined. Skipping."); 10862 Slog.w(TAG, " codePath=" + pkg.codePath); 10863 Slog.w(TAG, "*************************************************"); 10864 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 10865 "Core android package being redefined. Skipping."); 10866 } 10867 } 10868 10869 // A package name must be unique; don't allow duplicates 10870 if (mPackages.containsKey(pkg.packageName)) { 10871 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 10872 "Application package " + pkg.packageName 10873 + " already installed. Skipping duplicate."); 10874 } 10875 10876 if (pkg.applicationInfo.isStaticSharedLibrary()) { 10877 // Static libs have a synthetic package name containing the version 10878 // but we still want the base name to be unique. 10879 if (mPackages.containsKey(pkg.manifestPackageName)) { 10880 throw new PackageManagerException( 10881 "Duplicate static shared lib provider package"); 10882 } 10883 10884 // Static shared libraries should have at least O target SDK 10885 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.O) { 10886 throw new PackageManagerException( 10887 "Packages declaring static-shared libs must target O SDK or higher"); 10888 } 10889 10890 // Package declaring static a shared lib cannot be instant apps 10891 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 10892 throw new PackageManagerException( 10893 "Packages declaring static-shared libs cannot be instant apps"); 10894 } 10895 10896 // Package declaring static a shared lib cannot be renamed since the package 10897 // name is synthetic and apps can't code around package manager internals. 10898 if (!ArrayUtils.isEmpty(pkg.mOriginalPackages)) { 10899 throw new PackageManagerException( 10900 "Packages declaring static-shared libs cannot be renamed"); 10901 } 10902 10903 // Package declaring static a shared lib cannot declare child packages 10904 if (!ArrayUtils.isEmpty(pkg.childPackages)) { 10905 throw new PackageManagerException( 10906 "Packages declaring static-shared libs cannot have child packages"); 10907 } 10908 10909 // Package declaring static a shared lib cannot declare dynamic libs 10910 if (!ArrayUtils.isEmpty(pkg.libraryNames)) { 10911 throw new PackageManagerException( 10912 "Packages declaring static-shared libs cannot declare dynamic libs"); 10913 } 10914 10915 // Package declaring static a shared lib cannot declare shared users 10916 if (pkg.mSharedUserId != null) { 10917 throw new PackageManagerException( 10918 "Packages declaring static-shared libs cannot declare shared users"); 10919 } 10920 10921 // Static shared libs cannot declare activities 10922 if (!pkg.activities.isEmpty()) { 10923 throw new PackageManagerException( 10924 "Static shared libs cannot declare activities"); 10925 } 10926 10927 // Static shared libs cannot declare services 10928 if (!pkg.services.isEmpty()) { 10929 throw new PackageManagerException( 10930 "Static shared libs cannot declare services"); 10931 } 10932 10933 // Static shared libs cannot declare providers 10934 if (!pkg.providers.isEmpty()) { 10935 throw new PackageManagerException( 10936 "Static shared libs cannot declare content providers"); 10937 } 10938 10939 // Static shared libs cannot declare receivers 10940 if (!pkg.receivers.isEmpty()) { 10941 throw new PackageManagerException( 10942 "Static shared libs cannot declare broadcast receivers"); 10943 } 10944 10945 // Static shared libs cannot declare permission groups 10946 if (!pkg.permissionGroups.isEmpty()) { 10947 throw new PackageManagerException( 10948 "Static shared libs cannot declare permission groups"); 10949 } 10950 10951 // Static shared libs cannot declare permissions 10952 if (!pkg.permissions.isEmpty()) { 10953 throw new PackageManagerException( 10954 "Static shared libs cannot declare permissions"); 10955 } 10956 10957 // Static shared libs cannot declare protected broadcasts 10958 if (pkg.protectedBroadcasts != null) { 10959 throw new PackageManagerException( 10960 "Static shared libs cannot declare protected broadcasts"); 10961 } 10962 10963 // Static shared libs cannot be overlay targets 10964 if (pkg.mOverlayTarget != null) { 10965 throw new PackageManagerException( 10966 "Static shared libs cannot be overlay targets"); 10967 } 10968 10969 // The version codes must be ordered as lib versions 10970 long minVersionCode = Long.MIN_VALUE; 10971 long maxVersionCode = Long.MAX_VALUE; 10972 10973 LongSparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get( 10974 pkg.staticSharedLibName); 10975 if (versionedLib != null) { 10976 final int versionCount = versionedLib.size(); 10977 for (int i = 0; i < versionCount; i++) { 10978 SharedLibraryInfo libInfo = versionedLib.valueAt(i).info; 10979 final long libVersionCode = libInfo.getDeclaringPackage() 10980 .getLongVersionCode(); 10981 if (libInfo.getLongVersion() < pkg.staticSharedLibVersion) { 10982 minVersionCode = Math.max(minVersionCode, libVersionCode + 1); 10983 } else if (libInfo.getLongVersion() > pkg.staticSharedLibVersion) { 10984 maxVersionCode = Math.min(maxVersionCode, libVersionCode - 1); 10985 } else { 10986 minVersionCode = maxVersionCode = libVersionCode; 10987 break; 10988 } 10989 } 10990 } 10991 if (pkg.getLongVersionCode() < minVersionCode 10992 || pkg.getLongVersionCode() > maxVersionCode) { 10993 throw new PackageManagerException("Static shared" 10994 + " lib version codes must be ordered as lib versions"); 10995 } 10996 } 10997 10998 // Only privileged apps and updated privileged apps can add child packages. 10999 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 11000 if ((scanFlags & SCAN_AS_PRIVILEGED) == 0) { 11001 throw new PackageManagerException("Only privileged apps can add child " 11002 + "packages. Ignoring package " + pkg.packageName); 11003 } 11004 final int childCount = pkg.childPackages.size(); 11005 for (int i = 0; i < childCount; i++) { 11006 PackageParser.Package childPkg = pkg.childPackages.get(i); 11007 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 11008 childPkg.packageName)) { 11009 throw new PackageManagerException("Can't override child of " 11010 + "another disabled app. Ignoring package " + pkg.packageName); 11011 } 11012 } 11013 } 11014 11015 // If we're only installing presumed-existing packages, require that the 11016 // scanned APK is both already known and at the path previously established 11017 // for it. Previously unknown packages we pick up normally, but if we have an 11018 // a priori expectation about this package's install presence, enforce it. 11019 // With a singular exception for new system packages. When an OTA contains 11020 // a new system package, we allow the codepath to change from a system location 11021 // to the user-installed location. If we don't allow this change, any newer, 11022 // user-installed version of the application will be ignored. 11023 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 11024 if (mExpectingBetter.containsKey(pkg.packageName)) { 11025 logCriticalInfo(Log.WARN, 11026 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 11027 } else { 11028 PackageSetting known = mSettings.getPackageLPr(pkg.packageName); 11029 if (known != null) { 11030 if (DEBUG_PACKAGE_SCANNING) { 11031 Log.d(TAG, "Examining " + pkg.codePath 11032 + " and requiring known paths " + known.codePathString 11033 + " & " + known.resourcePathString); 11034 } 11035 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 11036 || !pkg.applicationInfo.getResourcePath().equals( 11037 known.resourcePathString)) { 11038 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 11039 "Application package " + pkg.packageName 11040 + " found at " + pkg.applicationInfo.getCodePath() 11041 + " but expected at " + known.codePathString 11042 + "; ignoring."); 11043 } 11044 } else { 11045 throw new PackageManagerException(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 11046 "Application package " + pkg.packageName 11047 + " not found; ignoring."); 11048 } 11049 } 11050 } 11051 11052 // Verify that this new package doesn't have any content providers 11053 // that conflict with existing packages. Only do this if the 11054 // package isn't already installed, since we don't want to break 11055 // things that are installed. 11056 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 11057 final int N = pkg.providers.size(); 11058 int i; 11059 for (i=0; i<N; i++) { 11060 PackageParser.Provider p = pkg.providers.get(i); 11061 if (p.info.authority != null) { 11062 String names[] = p.info.authority.split(";"); 11063 for (int j = 0; j < names.length; j++) { 11064 if (mProvidersByAuthority.containsKey(names[j])) { 11065 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 11066 final String otherPackageName = 11067 ((other != null && other.getComponentName() != null) ? 11068 other.getComponentName().getPackageName() : "?"); 11069 throw new PackageManagerException( 11070 INSTALL_FAILED_CONFLICTING_PROVIDER, 11071 "Can't install because provider name " + names[j] 11072 + " (in package " + pkg.applicationInfo.packageName 11073 + ") is already used by " + otherPackageName); 11074 } 11075 } 11076 } 11077 } 11078 } 11079 11080 // Verify that packages sharing a user with a privileged app are marked as privileged. 11081 if (!pkg.isPrivileged() && (pkg.mSharedUserId != null)) { 11082 SharedUserSetting sharedUserSetting = null; 11083 try { 11084 sharedUserSetting = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, false); 11085 } catch (PackageManagerException ignore) {} 11086 if (sharedUserSetting != null && sharedUserSetting.isPrivileged()) { 11087 // Exempt SharedUsers signed with the platform key. 11088 PackageSetting platformPkgSetting = mSettings.mPackages.get("android"); 11089 if ((platformPkgSetting.signatures.mSigningDetails 11090 != PackageParser.SigningDetails.UNKNOWN) 11091 && (compareSignatures( 11092 platformPkgSetting.signatures.mSigningDetails.signatures, 11093 pkg.mSigningDetails.signatures) 11094 != PackageManager.SIGNATURE_MATCH)) { 11095 throw new PackageManagerException("Apps that share a user with a " + 11096 "privileged app must themselves be marked as privileged. " + 11097 pkg.packageName + " shares privileged user " + 11098 pkg.mSharedUserId + "."); 11099 } 11100 } 11101 } 11102 11103 // Apply policies specific for runtime resource overlays (RROs). 11104 if (pkg.mOverlayTarget != null) { 11105 // System overlays have some restrictions on their use of the 'static' state. 11106 if ((scanFlags & SCAN_AS_SYSTEM) != 0) { 11107 // We are scanning a system overlay. This can be the first scan of the 11108 // system/vendor/oem partition, or an update to the system overlay. 11109 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 11110 // This must be an update to a system overlay. 11111 final PackageSetting previousPkg = assertNotNull( 11112 mSettings.getPackageLPr(pkg.packageName), 11113 "previous package state not present"); 11114 11115 // Static overlays cannot be updated. 11116 if (previousPkg.pkg.mOverlayIsStatic) { 11117 throw new PackageManagerException("Overlay " + pkg.packageName + 11118 " is static and cannot be upgraded."); 11119 // Non-static overlays cannot be converted to static overlays. 11120 } else if (pkg.mOverlayIsStatic) { 11121 throw new PackageManagerException("Overlay " + pkg.packageName + 11122 " cannot be upgraded into a static overlay."); 11123 } 11124 } 11125 } else { 11126 // The overlay is a non-system overlay. Non-system overlays cannot be static. 11127 if (pkg.mOverlayIsStatic) { 11128 throw new PackageManagerException("Overlay " + pkg.packageName + 11129 " is static but not pre-installed."); 11130 } 11131 11132 // The only case where we allow installation of a non-system overlay is when 11133 // its signature is signed with the platform certificate. 11134 PackageSetting platformPkgSetting = mSettings.getPackageLPr("android"); 11135 if ((platformPkgSetting.signatures.mSigningDetails 11136 != PackageParser.SigningDetails.UNKNOWN) 11137 && (compareSignatures( 11138 platformPkgSetting.signatures.mSigningDetails.signatures, 11139 pkg.mSigningDetails.signatures) 11140 != PackageManager.SIGNATURE_MATCH)) { 11141 throw new PackageManagerException("Overlay " + pkg.packageName + 11142 " must be signed with the platform certificate."); 11143 } 11144 } 11145 } 11146 } 11147 } 11148 11149 private boolean addSharedLibraryLPw(String path, String apk, String name, long version, 11150 int type, String declaringPackageName, long declaringVersionCode) { 11151 LongSparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 11152 if (versionedLib == null) { 11153 versionedLib = new LongSparseArray<>(); 11154 mSharedLibraries.put(name, versionedLib); 11155 if (type == SharedLibraryInfo.TYPE_STATIC) { 11156 mStaticLibsByDeclaringPackage.put(declaringPackageName, versionedLib); 11157 } 11158 } else if (versionedLib.indexOfKey(version) >= 0) { 11159 return false; 11160 } 11161 SharedLibraryEntry libEntry = new SharedLibraryEntry(path, apk, name, 11162 version, type, declaringPackageName, declaringVersionCode); 11163 versionedLib.put(version, libEntry); 11164 return true; 11165 } 11166 11167 private boolean removeSharedLibraryLPw(String name, long version) { 11168 LongSparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 11169 if (versionedLib == null) { 11170 return false; 11171 } 11172 final int libIdx = versionedLib.indexOfKey(version); 11173 if (libIdx < 0) { 11174 return false; 11175 } 11176 SharedLibraryEntry libEntry = versionedLib.valueAt(libIdx); 11177 versionedLib.remove(version); 11178 if (versionedLib.size() <= 0) { 11179 mSharedLibraries.remove(name); 11180 if (libEntry.info.getType() == SharedLibraryInfo.TYPE_STATIC) { 11181 mStaticLibsByDeclaringPackage.remove(libEntry.info.getDeclaringPackage() 11182 .getPackageName()); 11183 } 11184 } 11185 return true; 11186 } 11187 11188 /** 11189 * Adds a scanned package to the system. When this method is finished, the package will 11190 * be available for query, resolution, etc... 11191 */ 11192 private void commitPackageSettings(PackageParser.Package pkg, 11193 @Nullable PackageParser.Package oldPkg, PackageSetting pkgSetting, UserHandle user, 11194 final @ScanFlags int scanFlags, boolean chatty) { 11195 final String pkgName = pkg.packageName; 11196 if (mCustomResolverComponentName != null && 11197 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 11198 setUpCustomResolverActivity(pkg); 11199 } 11200 11201 if (pkg.packageName.equals("android")) { 11202 synchronized (mPackages) { 11203 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 11204 // Set up information for our fall-back user intent resolution activity. 11205 mPlatformPackage = pkg; 11206 pkg.mVersionCode = mSdkVersion; 11207 pkg.mVersionCodeMajor = 0; 11208 mAndroidApplication = pkg.applicationInfo; 11209 if (!mResolverReplaced) { 11210 mResolveActivity.applicationInfo = mAndroidApplication; 11211 mResolveActivity.name = ResolverActivity.class.getName(); 11212 mResolveActivity.packageName = mAndroidApplication.packageName; 11213 mResolveActivity.processName = "system:ui"; 11214 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 11215 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 11216 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 11217 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 11218 mResolveActivity.exported = true; 11219 mResolveActivity.enabled = true; 11220 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 11221 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 11222 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 11223 | ActivityInfo.CONFIG_SCREEN_LAYOUT 11224 | ActivityInfo.CONFIG_ORIENTATION 11225 | ActivityInfo.CONFIG_KEYBOARD 11226 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 11227 mResolveInfo.activityInfo = mResolveActivity; 11228 mResolveInfo.priority = 0; 11229 mResolveInfo.preferredOrder = 0; 11230 mResolveInfo.match = 0; 11231 mResolveComponentName = new ComponentName( 11232 mAndroidApplication.packageName, mResolveActivity.name); 11233 } 11234 } 11235 } 11236 } 11237 11238 ArrayList<PackageParser.Package> clientLibPkgs = null; 11239 // writer 11240 synchronized (mPackages) { 11241 boolean hasStaticSharedLibs = false; 11242 11243 // Any app can add new static shared libraries 11244 if (pkg.staticSharedLibName != null) { 11245 // Static shared libs don't allow renaming as they have synthetic package 11246 // names to allow install of multiple versions, so use name from manifest. 11247 if (addSharedLibraryLPw(null, pkg.packageName, pkg.staticSharedLibName, 11248 pkg.staticSharedLibVersion, SharedLibraryInfo.TYPE_STATIC, 11249 pkg.manifestPackageName, pkg.getLongVersionCode())) { 11250 hasStaticSharedLibs = true; 11251 } else { 11252 Slog.w(TAG, "Package " + pkg.packageName + " library " 11253 + pkg.staticSharedLibName + " already exists; skipping"); 11254 } 11255 // Static shared libs cannot be updated once installed since they 11256 // use synthetic package name which includes the version code, so 11257 // not need to update other packages's shared lib dependencies. 11258 } 11259 11260 if (!hasStaticSharedLibs 11261 && (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 11262 // Only system apps can add new dynamic shared libraries. 11263 if (pkg.libraryNames != null) { 11264 for (int i = 0; i < pkg.libraryNames.size(); i++) { 11265 String name = pkg.libraryNames.get(i); 11266 boolean allowed = false; 11267 if (pkg.isUpdatedSystemApp()) { 11268 // New library entries can only be added through the 11269 // system image. This is important to get rid of a lot 11270 // of nasty edge cases: for example if we allowed a non- 11271 // system update of the app to add a library, then uninstalling 11272 // the update would make the library go away, and assumptions 11273 // we made such as through app install filtering would now 11274 // have allowed apps on the device which aren't compatible 11275 // with it. Better to just have the restriction here, be 11276 // conservative, and create many fewer cases that can negatively 11277 // impact the user experience. 11278 final PackageSetting sysPs = mSettings 11279 .getDisabledSystemPkgLPr(pkg.packageName); 11280 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 11281 for (int j = 0; j < sysPs.pkg.libraryNames.size(); j++) { 11282 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 11283 allowed = true; 11284 break; 11285 } 11286 } 11287 } 11288 } else { 11289 allowed = true; 11290 } 11291 if (allowed) { 11292 if (!addSharedLibraryLPw(null, pkg.packageName, name, 11293 SharedLibraryInfo.VERSION_UNDEFINED, 11294 SharedLibraryInfo.TYPE_DYNAMIC, 11295 pkg.packageName, pkg.getLongVersionCode())) { 11296 Slog.w(TAG, "Package " + pkg.packageName + " library " 11297 + name + " already exists; skipping"); 11298 } 11299 } else { 11300 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 11301 + name + " that is not declared on system image; skipping"); 11302 } 11303 } 11304 11305 if ((scanFlags & SCAN_BOOTING) == 0) { 11306 // If we are not booting, we need to update any applications 11307 // that are clients of our shared library. If we are booting, 11308 // this will all be done once the scan is complete. 11309 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 11310 } 11311 } 11312 } 11313 } 11314 11315 if ((scanFlags & SCAN_BOOTING) != 0) { 11316 // No apps can run during boot scan, so they don't need to be frozen 11317 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 11318 // Caller asked to not kill app, so it's probably not frozen 11319 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 11320 // Caller asked us to ignore frozen check for some reason; they 11321 // probably didn't know the package name 11322 } else { 11323 // We're doing major surgery on this package, so it better be frozen 11324 // right now to keep it from launching 11325 checkPackageFrozen(pkgName); 11326 } 11327 11328 // Also need to kill any apps that are dependent on the library. 11329 if (clientLibPkgs != null) { 11330 for (int i=0; i<clientLibPkgs.size(); i++) { 11331 PackageParser.Package clientPkg = clientLibPkgs.get(i); 11332 killApplication(clientPkg.applicationInfo.packageName, 11333 clientPkg.applicationInfo.uid, "update lib"); 11334 } 11335 } 11336 11337 // writer 11338 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 11339 11340 synchronized (mPackages) { 11341 // We don't expect installation to fail beyond this point 11342 11343 // Add the new setting to mSettings 11344 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 11345 // Add the new setting to mPackages 11346 mPackages.put(pkg.applicationInfo.packageName, pkg); 11347 // Make sure we don't accidentally delete its data. 11348 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 11349 while (iter.hasNext()) { 11350 PackageCleanItem item = iter.next(); 11351 if (pkgName.equals(item.packageName)) { 11352 iter.remove(); 11353 } 11354 } 11355 11356 // Add the package's KeySets to the global KeySetManagerService 11357 KeySetManagerService ksms = mSettings.mKeySetManagerService; 11358 ksms.addScannedPackageLPw(pkg); 11359 11360 int N = pkg.providers.size(); 11361 StringBuilder r = null; 11362 int i; 11363 for (i=0; i<N; i++) { 11364 PackageParser.Provider p = pkg.providers.get(i); 11365 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 11366 p.info.processName); 11367 mProviders.addProvider(p); 11368 p.syncable = p.info.isSyncable; 11369 if (p.info.authority != null) { 11370 String names[] = p.info.authority.split(";"); 11371 p.info.authority = null; 11372 for (int j = 0; j < names.length; j++) { 11373 if (j == 1 && p.syncable) { 11374 // We only want the first authority for a provider to possibly be 11375 // syncable, so if we already added this provider using a different 11376 // authority clear the syncable flag. We copy the provider before 11377 // changing it because the mProviders object contains a reference 11378 // to a provider that we don't want to change. 11379 // Only do this for the second authority since the resulting provider 11380 // object can be the same for all future authorities for this provider. 11381 p = new PackageParser.Provider(p); 11382 p.syncable = false; 11383 } 11384 if (!mProvidersByAuthority.containsKey(names[j])) { 11385 mProvidersByAuthority.put(names[j], p); 11386 if (p.info.authority == null) { 11387 p.info.authority = names[j]; 11388 } else { 11389 p.info.authority = p.info.authority + ";" + names[j]; 11390 } 11391 if (DEBUG_PACKAGE_SCANNING) { 11392 if (chatty) 11393 Log.d(TAG, "Registered content provider: " + names[j] 11394 + ", className = " + p.info.name + ", isSyncable = " 11395 + p.info.isSyncable); 11396 } 11397 } else { 11398 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 11399 Slog.w(TAG, "Skipping provider name " + names[j] + 11400 " (in package " + pkg.applicationInfo.packageName + 11401 "): name already used by " 11402 + ((other != null && other.getComponentName() != null) 11403 ? other.getComponentName().getPackageName() : "?")); 11404 } 11405 } 11406 } 11407 if (chatty) { 11408 if (r == null) { 11409 r = new StringBuilder(256); 11410 } else { 11411 r.append(' '); 11412 } 11413 r.append(p.info.name); 11414 } 11415 } 11416 if (r != null) { 11417 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 11418 } 11419 11420 N = pkg.services.size(); 11421 r = null; 11422 for (i=0; i<N; i++) { 11423 PackageParser.Service s = pkg.services.get(i); 11424 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 11425 s.info.processName); 11426 mServices.addService(s); 11427 if (chatty) { 11428 if (r == null) { 11429 r = new StringBuilder(256); 11430 } else { 11431 r.append(' '); 11432 } 11433 r.append(s.info.name); 11434 } 11435 } 11436 if (r != null) { 11437 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 11438 } 11439 11440 N = pkg.receivers.size(); 11441 r = null; 11442 for (i=0; i<N; i++) { 11443 PackageParser.Activity a = pkg.receivers.get(i); 11444 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 11445 a.info.processName); 11446 mReceivers.addActivity(a, "receiver"); 11447 if (chatty) { 11448 if (r == null) { 11449 r = new StringBuilder(256); 11450 } else { 11451 r.append(' '); 11452 } 11453 r.append(a.info.name); 11454 } 11455 } 11456 if (r != null) { 11457 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 11458 } 11459 11460 N = pkg.activities.size(); 11461 r = null; 11462 for (i=0; i<N; i++) { 11463 PackageParser.Activity a = pkg.activities.get(i); 11464 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 11465 a.info.processName); 11466 mActivities.addActivity(a, "activity"); 11467 if (chatty) { 11468 if (r == null) { 11469 r = new StringBuilder(256); 11470 } else { 11471 r.append(' '); 11472 } 11473 r.append(a.info.name); 11474 } 11475 } 11476 if (r != null) { 11477 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 11478 } 11479 11480 // Don't allow ephemeral applications to define new permissions groups. 11481 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 11482 Slog.w(TAG, "Permission groups from package " + pkg.packageName 11483 + " ignored: instant apps cannot define new permission groups."); 11484 } else { 11485 mPermissionManager.addAllPermissionGroups(pkg, chatty); 11486 } 11487 11488 // Don't allow ephemeral applications to define new permissions. 11489 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 11490 Slog.w(TAG, "Permissions from package " + pkg.packageName 11491 + " ignored: instant apps cannot define new permissions."); 11492 } else { 11493 mPermissionManager.addAllPermissions(pkg, chatty); 11494 } 11495 11496 N = pkg.instrumentation.size(); 11497 r = null; 11498 for (i=0; i<N; i++) { 11499 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 11500 a.info.packageName = pkg.applicationInfo.packageName; 11501 a.info.sourceDir = pkg.applicationInfo.sourceDir; 11502 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 11503 a.info.splitNames = pkg.splitNames; 11504 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 11505 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 11506 a.info.splitDependencies = pkg.applicationInfo.splitDependencies; 11507 a.info.dataDir = pkg.applicationInfo.dataDir; 11508 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 11509 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 11510 a.info.primaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 11511 a.info.secondaryCpuAbi = pkg.applicationInfo.secondaryCpuAbi; 11512 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 11513 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 11514 mInstrumentation.put(a.getComponentName(), a); 11515 if (chatty) { 11516 if (r == null) { 11517 r = new StringBuilder(256); 11518 } else { 11519 r.append(' '); 11520 } 11521 r.append(a.info.name); 11522 } 11523 } 11524 if (r != null) { 11525 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 11526 } 11527 11528 if (pkg.protectedBroadcasts != null) { 11529 N = pkg.protectedBroadcasts.size(); 11530 synchronized (mProtectedBroadcasts) { 11531 for (i = 0; i < N; i++) { 11532 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 11533 } 11534 } 11535 } 11536 11537 if (oldPkg != null) { 11538 // We need to call revokeRuntimePermissionsIfGroupChanged async as permission 11539 // revoke callbacks from this method might need to kill apps which need the 11540 // mPackages lock on a different thread. This would dead lock. 11541 // 11542 // Hence create a copy of all package names and pass it into 11543 // revokeRuntimePermissionsIfGroupChanged. Only for those permissions might get 11544 // revoked. If a new package is added before the async code runs the permission 11545 // won't be granted yet, hence new packages are no problem. 11546 final ArrayList<String> allPackageNames = new ArrayList<>(mPackages.keySet()); 11547 11548 AsyncTask.execute(() -> 11549 mPermissionManager.revokeRuntimePermissionsIfGroupChanged(pkg, oldPkg, 11550 allPackageNames, mPermissionCallback)); 11551 } 11552 } 11553 11554 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11555 } 11556 11557 /** 11558 * Derive the ABI of a non-system package located at {@code scanFile}. This information 11559 * is derived purely on the basis of the contents of {@code scanFile} and 11560 * {@code cpuAbiOverride}. 11561 * 11562 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 11563 */ 11564 private static void derivePackageAbi(PackageParser.Package pkg, String cpuAbiOverride, 11565 boolean extractLibs) 11566 throws PackageManagerException { 11567 // Give ourselves some initial paths; we'll come back for another 11568 // pass once we've determined ABI below. 11569 setNativeLibraryPaths(pkg, sAppLib32InstallDir); 11570 11571 // We would never need to extract libs for forward-locked and external packages, 11572 // since the container service will do it for us. We shouldn't attempt to 11573 // extract libs from system app when it was not updated. 11574 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 11575 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 11576 extractLibs = false; 11577 } 11578 11579 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 11580 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 11581 11582 NativeLibraryHelper.Handle handle = null; 11583 try { 11584 handle = NativeLibraryHelper.Handle.create(pkg); 11585 // TODO(multiArch): This can be null for apps that didn't go through the 11586 // usual installation process. We can calculate it again, like we 11587 // do during install time. 11588 // 11589 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 11590 // unnecessary. 11591 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 11592 11593 // Null out the abis so that they can be recalculated. 11594 pkg.applicationInfo.primaryCpuAbi = null; 11595 pkg.applicationInfo.secondaryCpuAbi = null; 11596 if (isMultiArch(pkg.applicationInfo)) { 11597 // Warn if we've set an abiOverride for multi-lib packages.. 11598 // By definition, we need to copy both 32 and 64 bit libraries for 11599 // such packages. 11600 if (pkg.cpuAbiOverride != null 11601 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 11602 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 11603 } 11604 11605 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 11606 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 11607 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 11608 if (extractLibs) { 11609 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 11610 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 11611 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 11612 useIsaSpecificSubdirs); 11613 } else { 11614 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 11615 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 11616 } 11617 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11618 } 11619 11620 // Shared library native code should be in the APK zip aligned 11621 if (abi32 >= 0 && pkg.isLibrary() && extractLibs) { 11622 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 11623 "Shared library native lib extraction not supported"); 11624 } 11625 11626 maybeThrowExceptionForMultiArchCopy( 11627 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 11628 11629 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 11630 if (extractLibs) { 11631 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 11632 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 11633 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 11634 useIsaSpecificSubdirs); 11635 } else { 11636 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 11637 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 11638 } 11639 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11640 } 11641 11642 maybeThrowExceptionForMultiArchCopy( 11643 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 11644 11645 if (abi64 >= 0) { 11646 // Shared library native libs should be in the APK zip aligned 11647 if (extractLibs && pkg.isLibrary()) { 11648 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 11649 "Shared library native lib extraction not supported"); 11650 } 11651 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 11652 } 11653 11654 if (abi32 >= 0) { 11655 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 11656 if (abi64 >= 0) { 11657 if (pkg.use32bitAbi) { 11658 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 11659 pkg.applicationInfo.primaryCpuAbi = abi; 11660 } else { 11661 pkg.applicationInfo.secondaryCpuAbi = abi; 11662 } 11663 } else { 11664 pkg.applicationInfo.primaryCpuAbi = abi; 11665 } 11666 } 11667 } else { 11668 String[] abiList = (cpuAbiOverride != null) ? 11669 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 11670 11671 // Enable gross and lame hacks for apps that are built with old 11672 // SDK tools. We must scan their APKs for renderscript bitcode and 11673 // not launch them if it's present. Don't bother checking on devices 11674 // that don't have 64 bit support. 11675 boolean needsRenderScriptOverride = false; 11676 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 11677 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 11678 abiList = Build.SUPPORTED_32_BIT_ABIS; 11679 needsRenderScriptOverride = true; 11680 } 11681 11682 final int copyRet; 11683 if (extractLibs) { 11684 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 11685 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 11686 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 11687 } else { 11688 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 11689 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 11690 } 11691 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11692 11693 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 11694 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 11695 "Error unpackaging native libs for app, errorCode=" + copyRet); 11696 } 11697 11698 if (copyRet >= 0) { 11699 // Shared libraries that have native libs must be multi-architecture 11700 if (pkg.isLibrary()) { 11701 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 11702 "Shared library with native libs must be multiarch"); 11703 } 11704 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 11705 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 11706 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 11707 } else if (needsRenderScriptOverride) { 11708 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 11709 } 11710 } 11711 } catch (IOException ioe) { 11712 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 11713 } finally { 11714 IoUtils.closeQuietly(handle); 11715 } 11716 11717 // Now that we've calculated the ABIs and determined if it's an internal app, 11718 // we will go ahead and populate the nativeLibraryPath. 11719 setNativeLibraryPaths(pkg, sAppLib32InstallDir); 11720 } 11721 11722 /** 11723 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 11724 * i.e, so that all packages can be run inside a single process if required. 11725 * 11726 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 11727 * this function will either try and make the ABI for all packages in {@code packagesForUser} 11728 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 11729 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 11730 * updating a package that belongs to a shared user. 11731 * 11732 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 11733 * adds unnecessary complexity. 11734 */ 11735 private static @Nullable List<String> adjustCpuAbisForSharedUserLPw( 11736 Set<PackageSetting> packagesForUser, PackageParser.Package scannedPackage) { 11737 List<String> changedAbiCodePath = null; 11738 String requiredInstructionSet = null; 11739 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 11740 requiredInstructionSet = VMRuntime.getInstructionSet( 11741 scannedPackage.applicationInfo.primaryCpuAbi); 11742 } 11743 11744 PackageSetting requirer = null; 11745 for (PackageSetting ps : packagesForUser) { 11746 // If packagesForUser contains scannedPackage, we skip it. This will happen 11747 // when scannedPackage is an update of an existing package. Without this check, 11748 // we will never be able to change the ABI of any package belonging to a shared 11749 // user, even if it's compatible with other packages. 11750 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 11751 if (ps.primaryCpuAbiString == null) { 11752 continue; 11753 } 11754 11755 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 11756 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 11757 // We have a mismatch between instruction sets (say arm vs arm64) warn about 11758 // this but there's not much we can do. 11759 String errorMessage = "Instruction set mismatch, " 11760 + ((requirer == null) ? "[caller]" : requirer) 11761 + " requires " + requiredInstructionSet + " whereas " + ps 11762 + " requires " + instructionSet; 11763 Slog.w(TAG, errorMessage); 11764 } 11765 11766 if (requiredInstructionSet == null) { 11767 requiredInstructionSet = instructionSet; 11768 requirer = ps; 11769 } 11770 } 11771 } 11772 11773 if (requiredInstructionSet != null) { 11774 String adjustedAbi; 11775 if (requirer != null) { 11776 // requirer != null implies that either scannedPackage was null or that scannedPackage 11777 // did not require an ABI, in which case we have to adjust scannedPackage to match 11778 // the ABI of the set (which is the same as requirer's ABI) 11779 adjustedAbi = requirer.primaryCpuAbiString; 11780 if (scannedPackage != null) { 11781 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 11782 } 11783 } else { 11784 // requirer == null implies that we're updating all ABIs in the set to 11785 // match scannedPackage. 11786 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 11787 } 11788 11789 for (PackageSetting ps : packagesForUser) { 11790 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 11791 if (ps.primaryCpuAbiString != null) { 11792 continue; 11793 } 11794 11795 ps.primaryCpuAbiString = adjustedAbi; 11796 if (ps.pkg != null && ps.pkg.applicationInfo != null && 11797 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 11798 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 11799 if (DEBUG_ABI_SELECTION) { 11800 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 11801 + " (requirer=" 11802 + (requirer != null ? requirer.pkg : "null") 11803 + ", scannedPackage=" 11804 + (scannedPackage != null ? scannedPackage : "null") 11805 + ")"); 11806 } 11807 if (changedAbiCodePath == null) { 11808 changedAbiCodePath = new ArrayList<>(); 11809 } 11810 changedAbiCodePath.add(ps.codePathString); 11811 } 11812 } 11813 } 11814 } 11815 return changedAbiCodePath; 11816 } 11817 11818 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 11819 synchronized (mPackages) { 11820 mResolverReplaced = true; 11821 // Set up information for custom user intent resolution activity. 11822 mResolveActivity.applicationInfo = pkg.applicationInfo; 11823 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 11824 mResolveActivity.packageName = pkg.applicationInfo.packageName; 11825 mResolveActivity.processName = pkg.applicationInfo.packageName; 11826 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 11827 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 11828 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 11829 mResolveActivity.theme = 0; 11830 mResolveActivity.exported = true; 11831 mResolveActivity.enabled = true; 11832 mResolveInfo.activityInfo = mResolveActivity; 11833 mResolveInfo.priority = 0; 11834 mResolveInfo.preferredOrder = 0; 11835 mResolveInfo.match = 0; 11836 mResolveComponentName = mCustomResolverComponentName; 11837 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 11838 mResolveComponentName); 11839 } 11840 } 11841 11842 private void setUpInstantAppInstallerActivityLP(ActivityInfo installerActivity) { 11843 if (installerActivity == null) { 11844 if (DEBUG_INSTANT) { 11845 Slog.d(TAG, "Clear ephemeral installer activity"); 11846 } 11847 mInstantAppInstallerActivity = null; 11848 return; 11849 } 11850 11851 if (DEBUG_INSTANT) { 11852 Slog.d(TAG, "Set ephemeral installer activity: " 11853 + installerActivity.getComponentName()); 11854 } 11855 // Set up information for ephemeral installer activity 11856 mInstantAppInstallerActivity = installerActivity; 11857 mInstantAppInstallerActivity.flags |= ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS 11858 | ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 11859 mInstantAppInstallerActivity.exported = true; 11860 mInstantAppInstallerActivity.enabled = true; 11861 mInstantAppInstallerInfo.activityInfo = mInstantAppInstallerActivity; 11862 mInstantAppInstallerInfo.priority = 1; 11863 mInstantAppInstallerInfo.preferredOrder = 1; 11864 mInstantAppInstallerInfo.isDefault = true; 11865 mInstantAppInstallerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 11866 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 11867 } 11868 11869 private static String calculateBundledApkRoot(final String codePathString) { 11870 final File codePath = new File(codePathString); 11871 final File codeRoot; 11872 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 11873 codeRoot = Environment.getRootDirectory(); 11874 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 11875 codeRoot = Environment.getOemDirectory(); 11876 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 11877 codeRoot = Environment.getVendorDirectory(); 11878 } else if (FileUtils.contains(Environment.getOdmDirectory(), codePath)) { 11879 codeRoot = Environment.getOdmDirectory(); 11880 } else if (FileUtils.contains(Environment.getProductDirectory(), codePath)) { 11881 codeRoot = Environment.getProductDirectory(); 11882 } else { 11883 // Unrecognized code path; take its top real segment as the apk root: 11884 // e.g. /something/app/blah.apk => /something 11885 try { 11886 File f = codePath.getCanonicalFile(); 11887 File parent = f.getParentFile(); // non-null because codePath is a file 11888 File tmp; 11889 while ((tmp = parent.getParentFile()) != null) { 11890 f = parent; 11891 parent = tmp; 11892 } 11893 codeRoot = f; 11894 Slog.w(TAG, "Unrecognized code path " 11895 + codePath + " - using " + codeRoot); 11896 } catch (IOException e) { 11897 // Can't canonicalize the code path -- shenanigans? 11898 Slog.w(TAG, "Can't canonicalize code path " + codePath); 11899 return Environment.getRootDirectory().getPath(); 11900 } 11901 } 11902 return codeRoot.getPath(); 11903 } 11904 11905 /** 11906 * Derive and set the location of native libraries for the given package, 11907 * which varies depending on where and how the package was installed. 11908 */ 11909 private static void setNativeLibraryPaths(PackageParser.Package pkg, File appLib32InstallDir) { 11910 final ApplicationInfo info = pkg.applicationInfo; 11911 final String codePath = pkg.codePath; 11912 final File codeFile = new File(codePath); 11913 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 11914 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 11915 11916 info.nativeLibraryRootDir = null; 11917 info.nativeLibraryRootRequiresIsa = false; 11918 info.nativeLibraryDir = null; 11919 info.secondaryNativeLibraryDir = null; 11920 11921 if (isApkFile(codeFile)) { 11922 // Monolithic install 11923 if (bundledApp) { 11924 // If "/system/lib64/apkname" exists, assume that is the per-package 11925 // native library directory to use; otherwise use "/system/lib/apkname". 11926 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 11927 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 11928 getPrimaryInstructionSet(info)); 11929 11930 // This is a bundled system app so choose the path based on the ABI. 11931 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 11932 // is just the default path. 11933 final String apkName = deriveCodePathName(codePath); 11934 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 11935 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 11936 apkName).getAbsolutePath(); 11937 11938 if (info.secondaryCpuAbi != null) { 11939 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 11940 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 11941 secondaryLibDir, apkName).getAbsolutePath(); 11942 } 11943 } else if (asecApp) { 11944 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 11945 .getAbsolutePath(); 11946 } else { 11947 final String apkName = deriveCodePathName(codePath); 11948 info.nativeLibraryRootDir = new File(appLib32InstallDir, apkName) 11949 .getAbsolutePath(); 11950 } 11951 11952 info.nativeLibraryRootRequiresIsa = false; 11953 info.nativeLibraryDir = info.nativeLibraryRootDir; 11954 } else { 11955 // Cluster install 11956 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 11957 info.nativeLibraryRootRequiresIsa = true; 11958 11959 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 11960 getPrimaryInstructionSet(info)).getAbsolutePath(); 11961 11962 if (info.secondaryCpuAbi != null) { 11963 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 11964 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 11965 } 11966 } 11967 } 11968 11969 /** 11970 * Calculate the abis and roots for a bundled app. These can uniquely 11971 * be determined from the contents of the system partition, i.e whether 11972 * it contains 64 or 32 bit shared libraries etc. We do not validate any 11973 * of this information, and instead assume that the system was built 11974 * sensibly. 11975 */ 11976 private static void setBundledAppAbisAndRoots(PackageParser.Package pkg, 11977 PackageSetting pkgSetting) { 11978 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 11979 11980 // If "/system/lib64/apkname" exists, assume that is the per-package 11981 // native library directory to use; otherwise use "/system/lib/apkname". 11982 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 11983 setBundledAppAbi(pkg, apkRoot, apkName); 11984 // pkgSetting might be null during rescan following uninstall of updates 11985 // to a bundled app, so accommodate that possibility. The settings in 11986 // that case will be established later from the parsed package. 11987 // 11988 // If the settings aren't null, sync them up with what we've just derived. 11989 // note that apkRoot isn't stored in the package settings. 11990 if (pkgSetting != null) { 11991 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 11992 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 11993 } 11994 } 11995 11996 /** 11997 * Deduces the ABI of a bundled app and sets the relevant fields on the 11998 * parsed pkg object. 11999 * 12000 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 12001 * under which system libraries are installed. 12002 * @param apkName the name of the installed package. 12003 */ 12004 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 12005 final File codeFile = new File(pkg.codePath); 12006 12007 final boolean has64BitLibs; 12008 final boolean has32BitLibs; 12009 if (isApkFile(codeFile)) { 12010 // Monolithic install 12011 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 12012 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 12013 } else { 12014 // Cluster install 12015 final File rootDir = new File(codeFile, LIB_DIR_NAME); 12016 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 12017 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 12018 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 12019 has64BitLibs = (new File(rootDir, isa)).exists(); 12020 } else { 12021 has64BitLibs = false; 12022 } 12023 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 12024 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 12025 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 12026 has32BitLibs = (new File(rootDir, isa)).exists(); 12027 } else { 12028 has32BitLibs = false; 12029 } 12030 } 12031 12032 if (has64BitLibs && !has32BitLibs) { 12033 // The package has 64 bit libs, but not 32 bit libs. Its primary 12034 // ABI should be 64 bit. We can safely assume here that the bundled 12035 // native libraries correspond to the most preferred ABI in the list. 12036 12037 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 12038 pkg.applicationInfo.secondaryCpuAbi = null; 12039 } else if (has32BitLibs && !has64BitLibs) { 12040 // The package has 32 bit libs but not 64 bit libs. Its primary 12041 // ABI should be 32 bit. 12042 12043 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 12044 pkg.applicationInfo.secondaryCpuAbi = null; 12045 } else if (has32BitLibs && has64BitLibs) { 12046 // The application has both 64 and 32 bit bundled libraries. We check 12047 // here that the app declares multiArch support, and warn if it doesn't. 12048 // 12049 // We will be lenient here and record both ABIs. The primary will be the 12050 // ABI that's higher on the list, i.e, a device that's configured to prefer 12051 // 64 bit apps will see a 64 bit primary ABI, 12052 12053 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 12054 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 12055 } 12056 12057 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 12058 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 12059 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 12060 } else { 12061 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 12062 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 12063 } 12064 } else { 12065 pkg.applicationInfo.primaryCpuAbi = null; 12066 pkg.applicationInfo.secondaryCpuAbi = null; 12067 } 12068 } 12069 12070 private void killApplication(String pkgName, int appId, String reason) { 12071 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 12072 } 12073 12074 private void killApplication(String pkgName, int appId, int userId, String reason) { 12075 // Request the ActivityManager to kill the process(only for existing packages) 12076 // so that we do not end up in a confused state while the user is still using the older 12077 // version of the application while the new one gets installed. 12078 final long token = Binder.clearCallingIdentity(); 12079 try { 12080 IActivityManager am = ActivityManager.getService(); 12081 if (am != null) { 12082 try { 12083 am.killApplication(pkgName, appId, userId, reason); 12084 } catch (RemoteException e) { 12085 } 12086 } 12087 } finally { 12088 Binder.restoreCallingIdentity(token); 12089 } 12090 } 12091 12092 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 12093 // Remove the parent package setting 12094 PackageSetting ps = (PackageSetting) pkg.mExtras; 12095 if (ps != null) { 12096 removePackageLI(ps, chatty); 12097 } 12098 // Remove the child package setting 12099 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 12100 for (int i = 0; i < childCount; i++) { 12101 PackageParser.Package childPkg = pkg.childPackages.get(i); 12102 ps = (PackageSetting) childPkg.mExtras; 12103 if (ps != null) { 12104 removePackageLI(ps, chatty); 12105 } 12106 } 12107 } 12108 12109 void removePackageLI(PackageSetting ps, boolean chatty) { 12110 if (DEBUG_INSTALL) { 12111 if (chatty) 12112 Log.d(TAG, "Removing package " + ps.name); 12113 } 12114 12115 // writer 12116 synchronized (mPackages) { 12117 mPackages.remove(ps.name); 12118 final PackageParser.Package pkg = ps.pkg; 12119 if (pkg != null) { 12120 cleanPackageDataStructuresLILPw(pkg, chatty); 12121 } 12122 } 12123 } 12124 12125 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 12126 if (DEBUG_INSTALL) { 12127 if (chatty) 12128 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 12129 } 12130 12131 // writer 12132 synchronized (mPackages) { 12133 // Remove the parent package 12134 mPackages.remove(pkg.applicationInfo.packageName); 12135 cleanPackageDataStructuresLILPw(pkg, chatty); 12136 12137 // Remove the child packages 12138 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 12139 for (int i = 0; i < childCount; i++) { 12140 PackageParser.Package childPkg = pkg.childPackages.get(i); 12141 mPackages.remove(childPkg.applicationInfo.packageName); 12142 cleanPackageDataStructuresLILPw(childPkg, chatty); 12143 } 12144 } 12145 } 12146 12147 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 12148 int N = pkg.providers.size(); 12149 StringBuilder r = null; 12150 int i; 12151 for (i=0; i<N; i++) { 12152 PackageParser.Provider p = pkg.providers.get(i); 12153 mProviders.removeProvider(p); 12154 if (p.info.authority == null) { 12155 12156 /* There was another ContentProvider with this authority when 12157 * this app was installed so this authority is null, 12158 * Ignore it as we don't have to unregister the provider. 12159 */ 12160 continue; 12161 } 12162 String names[] = p.info.authority.split(";"); 12163 for (int j = 0; j < names.length; j++) { 12164 if (mProvidersByAuthority.get(names[j]) == p) { 12165 mProvidersByAuthority.remove(names[j]); 12166 if (DEBUG_REMOVE) { 12167 if (chatty) 12168 Log.d(TAG, "Unregistered content provider: " + names[j] 12169 + ", className = " + p.info.name + ", isSyncable = " 12170 + p.info.isSyncable); 12171 } 12172 } 12173 } 12174 if (DEBUG_REMOVE && chatty) { 12175 if (r == null) { 12176 r = new StringBuilder(256); 12177 } else { 12178 r.append(' '); 12179 } 12180 r.append(p.info.name); 12181 } 12182 } 12183 if (r != null) { 12184 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 12185 } 12186 12187 N = pkg.services.size(); 12188 r = null; 12189 for (i=0; i<N; i++) { 12190 PackageParser.Service s = pkg.services.get(i); 12191 mServices.removeService(s); 12192 if (chatty) { 12193 if (r == null) { 12194 r = new StringBuilder(256); 12195 } else { 12196 r.append(' '); 12197 } 12198 r.append(s.info.name); 12199 } 12200 } 12201 if (r != null) { 12202 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 12203 } 12204 12205 N = pkg.receivers.size(); 12206 r = null; 12207 for (i=0; i<N; i++) { 12208 PackageParser.Activity a = pkg.receivers.get(i); 12209 mReceivers.removeActivity(a, "receiver"); 12210 if (DEBUG_REMOVE && chatty) { 12211 if (r == null) { 12212 r = new StringBuilder(256); 12213 } else { 12214 r.append(' '); 12215 } 12216 r.append(a.info.name); 12217 } 12218 } 12219 if (r != null) { 12220 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 12221 } 12222 12223 N = pkg.activities.size(); 12224 r = null; 12225 for (i=0; i<N; i++) { 12226 PackageParser.Activity a = pkg.activities.get(i); 12227 mActivities.removeActivity(a, "activity"); 12228 if (DEBUG_REMOVE && chatty) { 12229 if (r == null) { 12230 r = new StringBuilder(256); 12231 } else { 12232 r.append(' '); 12233 } 12234 r.append(a.info.name); 12235 } 12236 } 12237 if (r != null) { 12238 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 12239 } 12240 12241 mPermissionManager.removeAllPermissions(pkg, chatty); 12242 12243 N = pkg.instrumentation.size(); 12244 r = null; 12245 for (i=0; i<N; i++) { 12246 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 12247 mInstrumentation.remove(a.getComponentName()); 12248 if (DEBUG_REMOVE && chatty) { 12249 if (r == null) { 12250 r = new StringBuilder(256); 12251 } else { 12252 r.append(' '); 12253 } 12254 r.append(a.info.name); 12255 } 12256 } 12257 if (r != null) { 12258 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 12259 } 12260 12261 r = null; 12262 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 12263 // Only system apps can hold shared libraries. 12264 if (pkg.libraryNames != null) { 12265 for (i = 0; i < pkg.libraryNames.size(); i++) { 12266 String name = pkg.libraryNames.get(i); 12267 if (removeSharedLibraryLPw(name, 0)) { 12268 if (DEBUG_REMOVE && chatty) { 12269 if (r == null) { 12270 r = new StringBuilder(256); 12271 } else { 12272 r.append(' '); 12273 } 12274 r.append(name); 12275 } 12276 } 12277 } 12278 } 12279 } 12280 12281 r = null; 12282 12283 // Any package can hold static shared libraries. 12284 if (pkg.staticSharedLibName != null) { 12285 if (removeSharedLibraryLPw(pkg.staticSharedLibName, pkg.staticSharedLibVersion)) { 12286 if (DEBUG_REMOVE && chatty) { 12287 if (r == null) { 12288 r = new StringBuilder(256); 12289 } else { 12290 r.append(' '); 12291 } 12292 r.append(pkg.staticSharedLibName); 12293 } 12294 } 12295 } 12296 12297 if (r != null) { 12298 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 12299 } 12300 } 12301 12302 12303 final class ActivityIntentResolver 12304 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 12305 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 12306 boolean defaultOnly, int userId) { 12307 if (!sUserManager.exists(userId)) return null; 12308 mFlags = (defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0); 12309 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 12310 } 12311 12312 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 12313 int userId) { 12314 if (!sUserManager.exists(userId)) return null; 12315 mFlags = flags; 12316 return super.queryIntent(intent, resolvedType, 12317 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 12318 userId); 12319 } 12320 12321 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 12322 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 12323 if (!sUserManager.exists(userId)) return null; 12324 if (packageActivities == null) { 12325 return null; 12326 } 12327 mFlags = flags; 12328 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 12329 final int N = packageActivities.size(); 12330 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 12331 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 12332 12333 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 12334 for (int i = 0; i < N; ++i) { 12335 intentFilters = packageActivities.get(i).intents; 12336 if (intentFilters != null && intentFilters.size() > 0) { 12337 PackageParser.ActivityIntentInfo[] array = 12338 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 12339 intentFilters.toArray(array); 12340 listCut.add(array); 12341 } 12342 } 12343 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 12344 } 12345 12346 /** 12347 * Finds a privileged activity that matches the specified activity names. 12348 */ 12349 private PackageParser.Activity findMatchingActivity( 12350 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 12351 for (PackageParser.Activity sysActivity : activityList) { 12352 if (sysActivity.info.name.equals(activityInfo.name)) { 12353 return sysActivity; 12354 } 12355 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 12356 return sysActivity; 12357 } 12358 if (sysActivity.info.targetActivity != null) { 12359 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 12360 return sysActivity; 12361 } 12362 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 12363 return sysActivity; 12364 } 12365 } 12366 } 12367 return null; 12368 } 12369 12370 public class IterGenerator<E> { 12371 public Iterator<E> generate(ActivityIntentInfo info) { 12372 return null; 12373 } 12374 } 12375 12376 public class ActionIterGenerator extends IterGenerator<String> { 12377 @Override 12378 public Iterator<String> generate(ActivityIntentInfo info) { 12379 return info.actionsIterator(); 12380 } 12381 } 12382 12383 public class CategoriesIterGenerator extends IterGenerator<String> { 12384 @Override 12385 public Iterator<String> generate(ActivityIntentInfo info) { 12386 return info.categoriesIterator(); 12387 } 12388 } 12389 12390 public class SchemesIterGenerator extends IterGenerator<String> { 12391 @Override 12392 public Iterator<String> generate(ActivityIntentInfo info) { 12393 return info.schemesIterator(); 12394 } 12395 } 12396 12397 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 12398 @Override 12399 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 12400 return info.authoritiesIterator(); 12401 } 12402 } 12403 12404 /** 12405 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 12406 * MODIFIED. Do not pass in a list that should not be changed. 12407 */ 12408 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 12409 IterGenerator<T> generator, Iterator<T> searchIterator) { 12410 // loop through the set of actions; every one must be found in the intent filter 12411 while (searchIterator.hasNext()) { 12412 // we must have at least one filter in the list to consider a match 12413 if (intentList.size() == 0) { 12414 break; 12415 } 12416 12417 final T searchAction = searchIterator.next(); 12418 12419 // loop through the set of intent filters 12420 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 12421 while (intentIter.hasNext()) { 12422 final ActivityIntentInfo intentInfo = intentIter.next(); 12423 boolean selectionFound = false; 12424 12425 // loop through the intent filter's selection criteria; at least one 12426 // of them must match the searched criteria 12427 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 12428 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 12429 final T intentSelection = intentSelectionIter.next(); 12430 if (intentSelection != null && intentSelection.equals(searchAction)) { 12431 selectionFound = true; 12432 break; 12433 } 12434 } 12435 12436 // the selection criteria wasn't found in this filter's set; this filter 12437 // is not a potential match 12438 if (!selectionFound) { 12439 intentIter.remove(); 12440 } 12441 } 12442 } 12443 } 12444 12445 private boolean isProtectedAction(ActivityIntentInfo filter) { 12446 final Iterator<String> actionsIter = filter.actionsIterator(); 12447 while (actionsIter != null && actionsIter.hasNext()) { 12448 final String filterAction = actionsIter.next(); 12449 if (PROTECTED_ACTIONS.contains(filterAction)) { 12450 return true; 12451 } 12452 } 12453 return false; 12454 } 12455 12456 /** 12457 * Adjusts the priority of the given intent filter according to policy. 12458 * <p> 12459 * <ul> 12460 * <li>The priority for non privileged applications is capped to '0'</li> 12461 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 12462 * <li>The priority for unbundled updates to privileged applications is capped to the 12463 * priority defined on the system partition</li> 12464 * </ul> 12465 * <p> 12466 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 12467 * allowed to obtain any priority on any action. 12468 */ 12469 private void adjustPriority( 12470 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 12471 // nothing to do; priority is fine as-is 12472 if (intent.getPriority() <= 0) { 12473 return; 12474 } 12475 12476 final ActivityInfo activityInfo = intent.activity.info; 12477 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 12478 12479 final boolean privilegedApp = 12480 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 12481 if (!privilegedApp) { 12482 // non-privileged applications can never define a priority >0 12483 if (DEBUG_FILTERS) { 12484 Slog.i(TAG, "Non-privileged app; cap priority to 0;" 12485 + " package: " + applicationInfo.packageName 12486 + " activity: " + intent.activity.className 12487 + " origPrio: " + intent.getPriority()); 12488 } 12489 intent.setPriority(0); 12490 return; 12491 } 12492 12493 if (systemActivities == null) { 12494 // the system package is not disabled; we're parsing the system partition 12495 if (isProtectedAction(intent)) { 12496 if (mDeferProtectedFilters) { 12497 // We can't deal with these just yet. No component should ever obtain a 12498 // >0 priority for a protected actions, with ONE exception -- the setup 12499 // wizard. The setup wizard, however, cannot be known until we're able to 12500 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 12501 // until all intent filters have been processed. Chicken, meet egg. 12502 // Let the filter temporarily have a high priority and rectify the 12503 // priorities after all system packages have been scanned. 12504 mProtectedFilters.add(intent); 12505 if (DEBUG_FILTERS) { 12506 Slog.i(TAG, "Protected action; save for later;" 12507 + " package: " + applicationInfo.packageName 12508 + " activity: " + intent.activity.className 12509 + " origPrio: " + intent.getPriority()); 12510 } 12511 return; 12512 } else { 12513 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 12514 Slog.i(TAG, "No setup wizard;" 12515 + " All protected intents capped to priority 0"); 12516 } 12517 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 12518 if (DEBUG_FILTERS) { 12519 Slog.i(TAG, "Found setup wizard;" 12520 + " allow priority " + intent.getPriority() + ";" 12521 + " package: " + intent.activity.info.packageName 12522 + " activity: " + intent.activity.className 12523 + " priority: " + intent.getPriority()); 12524 } 12525 // setup wizard gets whatever it wants 12526 return; 12527 } 12528 if (DEBUG_FILTERS) { 12529 Slog.i(TAG, "Protected action; cap priority to 0;" 12530 + " package: " + intent.activity.info.packageName 12531 + " activity: " + intent.activity.className 12532 + " origPrio: " + intent.getPriority()); 12533 } 12534 intent.setPriority(0); 12535 return; 12536 } 12537 } 12538 // privileged apps on the system image get whatever priority they request 12539 return; 12540 } 12541 12542 // privileged app unbundled update ... try to find the same activity 12543 final PackageParser.Activity foundActivity = 12544 findMatchingActivity(systemActivities, activityInfo); 12545 if (foundActivity == null) { 12546 // this is a new activity; it cannot obtain >0 priority 12547 if (DEBUG_FILTERS) { 12548 Slog.i(TAG, "New activity; cap priority to 0;" 12549 + " package: " + applicationInfo.packageName 12550 + " activity: " + intent.activity.className 12551 + " origPrio: " + intent.getPriority()); 12552 } 12553 intent.setPriority(0); 12554 return; 12555 } 12556 12557 // found activity, now check for filter equivalence 12558 12559 // a shallow copy is enough; we modify the list, not its contents 12560 final List<ActivityIntentInfo> intentListCopy = 12561 new ArrayList<>(foundActivity.intents); 12562 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 12563 12564 // find matching action subsets 12565 final Iterator<String> actionsIterator = intent.actionsIterator(); 12566 if (actionsIterator != null) { 12567 getIntentListSubset( 12568 intentListCopy, new ActionIterGenerator(), actionsIterator); 12569 if (intentListCopy.size() == 0) { 12570 // no more intents to match; we're not equivalent 12571 if (DEBUG_FILTERS) { 12572 Slog.i(TAG, "Mismatched action; cap priority to 0;" 12573 + " package: " + applicationInfo.packageName 12574 + " activity: " + intent.activity.className 12575 + " origPrio: " + intent.getPriority()); 12576 } 12577 intent.setPriority(0); 12578 return; 12579 } 12580 } 12581 12582 // find matching category subsets 12583 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 12584 if (categoriesIterator != null) { 12585 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 12586 categoriesIterator); 12587 if (intentListCopy.size() == 0) { 12588 // no more intents to match; we're not equivalent 12589 if (DEBUG_FILTERS) { 12590 Slog.i(TAG, "Mismatched category; cap priority to 0;" 12591 + " package: " + applicationInfo.packageName 12592 + " activity: " + intent.activity.className 12593 + " origPrio: " + intent.getPriority()); 12594 } 12595 intent.setPriority(0); 12596 return; 12597 } 12598 } 12599 12600 // find matching schemes subsets 12601 final Iterator<String> schemesIterator = intent.schemesIterator(); 12602 if (schemesIterator != null) { 12603 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 12604 schemesIterator); 12605 if (intentListCopy.size() == 0) { 12606 // no more intents to match; we're not equivalent 12607 if (DEBUG_FILTERS) { 12608 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 12609 + " package: " + applicationInfo.packageName 12610 + " activity: " + intent.activity.className 12611 + " origPrio: " + intent.getPriority()); 12612 } 12613 intent.setPriority(0); 12614 return; 12615 } 12616 } 12617 12618 // find matching authorities subsets 12619 final Iterator<IntentFilter.AuthorityEntry> 12620 authoritiesIterator = intent.authoritiesIterator(); 12621 if (authoritiesIterator != null) { 12622 getIntentListSubset(intentListCopy, 12623 new AuthoritiesIterGenerator(), 12624 authoritiesIterator); 12625 if (intentListCopy.size() == 0) { 12626 // no more intents to match; we're not equivalent 12627 if (DEBUG_FILTERS) { 12628 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 12629 + " package: " + applicationInfo.packageName 12630 + " activity: " + intent.activity.className 12631 + " origPrio: " + intent.getPriority()); 12632 } 12633 intent.setPriority(0); 12634 return; 12635 } 12636 } 12637 12638 // we found matching filter(s); app gets the max priority of all intents 12639 int cappedPriority = 0; 12640 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 12641 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 12642 } 12643 if (intent.getPriority() > cappedPriority) { 12644 if (DEBUG_FILTERS) { 12645 Slog.i(TAG, "Found matching filter(s);" 12646 + " cap priority to " + cappedPriority + ";" 12647 + " package: " + applicationInfo.packageName 12648 + " activity: " + intent.activity.className 12649 + " origPrio: " + intent.getPriority()); 12650 } 12651 intent.setPriority(cappedPriority); 12652 return; 12653 } 12654 // all this for nothing; the requested priority was <= what was on the system 12655 } 12656 12657 public final void addActivity(PackageParser.Activity a, String type) { 12658 mActivities.put(a.getComponentName(), a); 12659 if (DEBUG_SHOW_INFO) 12660 Log.v( 12661 TAG, " " + type + " " + 12662 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 12663 if (DEBUG_SHOW_INFO) 12664 Log.v(TAG, " Class=" + a.info.name); 12665 final int NI = a.intents.size(); 12666 for (int j=0; j<NI; j++) { 12667 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 12668 if ("activity".equals(type)) { 12669 final PackageSetting ps = 12670 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 12671 final List<PackageParser.Activity> systemActivities = 12672 ps != null && ps.pkg != null ? ps.pkg.activities : null; 12673 adjustPriority(systemActivities, intent); 12674 } 12675 if (DEBUG_SHOW_INFO) { 12676 Log.v(TAG, " IntentFilter:"); 12677 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12678 } 12679 if (!intent.debugCheck()) { 12680 Log.w(TAG, "==> For Activity " + a.info.name); 12681 } 12682 addFilter(intent); 12683 } 12684 } 12685 12686 public final void removeActivity(PackageParser.Activity a, String type) { 12687 mActivities.remove(a.getComponentName()); 12688 if (DEBUG_SHOW_INFO) { 12689 Log.v(TAG, " " + type + " " 12690 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 12691 : a.info.name) + ":"); 12692 Log.v(TAG, " Class=" + a.info.name); 12693 } 12694 final int NI = a.intents.size(); 12695 for (int j=0; j<NI; j++) { 12696 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 12697 if (DEBUG_SHOW_INFO) { 12698 Log.v(TAG, " IntentFilter:"); 12699 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12700 } 12701 removeFilter(intent); 12702 } 12703 } 12704 12705 @Override 12706 protected boolean allowFilterResult( 12707 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 12708 ActivityInfo filterAi = filter.activity.info; 12709 for (int i=dest.size()-1; i>=0; i--) { 12710 ActivityInfo destAi = dest.get(i).activityInfo; 12711 if (destAi.name == filterAi.name 12712 && destAi.packageName == filterAi.packageName) { 12713 return false; 12714 } 12715 } 12716 return true; 12717 } 12718 12719 @Override 12720 protected ActivityIntentInfo[] newArray(int size) { 12721 return new ActivityIntentInfo[size]; 12722 } 12723 12724 @Override 12725 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 12726 if (!sUserManager.exists(userId)) return true; 12727 PackageParser.Package p = filter.activity.owner; 12728 if (p != null) { 12729 PackageSetting ps = (PackageSetting)p.mExtras; 12730 if (ps != null) { 12731 // System apps are never considered stopped for purposes of 12732 // filtering, because there may be no way for the user to 12733 // actually re-launch them. 12734 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 12735 && ps.getStopped(userId); 12736 } 12737 } 12738 return false; 12739 } 12740 12741 @Override 12742 protected boolean isPackageForFilter(String packageName, 12743 PackageParser.ActivityIntentInfo info) { 12744 return packageName.equals(info.activity.owner.packageName); 12745 } 12746 12747 @Override 12748 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 12749 int match, int userId) { 12750 if (!sUserManager.exists(userId)) return null; 12751 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 12752 return null; 12753 } 12754 final PackageParser.Activity activity = info.activity; 12755 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 12756 if (ps == null) { 12757 return null; 12758 } 12759 final PackageUserState userState = ps.readUserState(userId); 12760 ActivityInfo ai = 12761 PackageParser.generateActivityInfo(activity, mFlags, userState, userId); 12762 if (ai == null) { 12763 return null; 12764 } 12765 final boolean matchExplicitlyVisibleOnly = 12766 (mFlags & PackageManager.MATCH_EXPLICITLY_VISIBLE_ONLY) != 0; 12767 final boolean matchVisibleToInstantApp = 12768 (mFlags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 12769 final boolean componentVisible = 12770 matchVisibleToInstantApp 12771 && info.isVisibleToInstantApp() 12772 && (!matchExplicitlyVisibleOnly || info.isExplicitlyVisibleToInstantApp()); 12773 final boolean matchInstantApp = (mFlags & PackageManager.MATCH_INSTANT) != 0; 12774 // throw out filters that aren't visible to ephemeral apps 12775 if (matchVisibleToInstantApp && !(componentVisible || userState.instantApp)) { 12776 return null; 12777 } 12778 // throw out instant app filters if we're not explicitly requesting them 12779 if (!matchInstantApp && userState.instantApp) { 12780 return null; 12781 } 12782 // throw out instant app filters if updates are available; will trigger 12783 // instant app resolution 12784 if (userState.instantApp && ps.isUpdateAvailable()) { 12785 return null; 12786 } 12787 final ResolveInfo res = new ResolveInfo(); 12788 res.activityInfo = ai; 12789 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 12790 res.filter = info; 12791 } 12792 if (info != null) { 12793 res.handleAllWebDataURI = info.handleAllWebDataURI(); 12794 } 12795 res.priority = info.getPriority(); 12796 res.preferredOrder = activity.owner.mPreferredOrder; 12797 //System.out.println("Result: " + res.activityInfo.className + 12798 // " = " + res.priority); 12799 res.match = match; 12800 res.isDefault = info.hasDefault; 12801 res.labelRes = info.labelRes; 12802 res.nonLocalizedLabel = info.nonLocalizedLabel; 12803 if (userNeedsBadging(userId)) { 12804 res.noResourceId = true; 12805 } else { 12806 res.icon = info.icon; 12807 } 12808 res.iconResourceId = info.icon; 12809 res.system = res.activityInfo.applicationInfo.isSystemApp(); 12810 res.isInstantAppAvailable = userState.instantApp; 12811 return res; 12812 } 12813 12814 @Override 12815 protected void sortResults(List<ResolveInfo> results) { 12816 Collections.sort(results, mResolvePrioritySorter); 12817 } 12818 12819 @Override 12820 protected void dumpFilter(PrintWriter out, String prefix, 12821 PackageParser.ActivityIntentInfo filter) { 12822 out.print(prefix); out.print( 12823 Integer.toHexString(System.identityHashCode(filter.activity))); 12824 out.print(' '); 12825 filter.activity.printComponentShortName(out); 12826 out.print(" filter "); 12827 out.println(Integer.toHexString(System.identityHashCode(filter))); 12828 } 12829 12830 @Override 12831 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 12832 return filter.activity; 12833 } 12834 12835 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12836 PackageParser.Activity activity = (PackageParser.Activity)label; 12837 out.print(prefix); out.print( 12838 Integer.toHexString(System.identityHashCode(activity))); 12839 out.print(' '); 12840 activity.printComponentShortName(out); 12841 if (count > 1) { 12842 out.print(" ("); out.print(count); out.print(" filters)"); 12843 } 12844 out.println(); 12845 } 12846 12847 // Keys are String (activity class name), values are Activity. 12848 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 12849 = new ArrayMap<ComponentName, PackageParser.Activity>(); 12850 private int mFlags; 12851 } 12852 12853 private final class ServiceIntentResolver 12854 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 12855 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 12856 boolean defaultOnly, int userId) { 12857 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 12858 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 12859 } 12860 12861 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 12862 int userId) { 12863 if (!sUserManager.exists(userId)) return null; 12864 mFlags = flags; 12865 return super.queryIntent(intent, resolvedType, 12866 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 12867 userId); 12868 } 12869 12870 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 12871 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 12872 if (!sUserManager.exists(userId)) return null; 12873 if (packageServices == null) { 12874 return null; 12875 } 12876 mFlags = flags; 12877 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 12878 final int N = packageServices.size(); 12879 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 12880 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 12881 12882 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 12883 for (int i = 0; i < N; ++i) { 12884 intentFilters = packageServices.get(i).intents; 12885 if (intentFilters != null && intentFilters.size() > 0) { 12886 PackageParser.ServiceIntentInfo[] array = 12887 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 12888 intentFilters.toArray(array); 12889 listCut.add(array); 12890 } 12891 } 12892 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 12893 } 12894 12895 public final void addService(PackageParser.Service s) { 12896 mServices.put(s.getComponentName(), s); 12897 if (DEBUG_SHOW_INFO) { 12898 Log.v(TAG, " " 12899 + (s.info.nonLocalizedLabel != null 12900 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 12901 Log.v(TAG, " Class=" + s.info.name); 12902 } 12903 final int NI = s.intents.size(); 12904 int j; 12905 for (j=0; j<NI; j++) { 12906 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 12907 if (DEBUG_SHOW_INFO) { 12908 Log.v(TAG, " IntentFilter:"); 12909 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12910 } 12911 if (!intent.debugCheck()) { 12912 Log.w(TAG, "==> For Service " + s.info.name); 12913 } 12914 addFilter(intent); 12915 } 12916 } 12917 12918 public final void removeService(PackageParser.Service s) { 12919 mServices.remove(s.getComponentName()); 12920 if (DEBUG_SHOW_INFO) { 12921 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 12922 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 12923 Log.v(TAG, " Class=" + s.info.name); 12924 } 12925 final int NI = s.intents.size(); 12926 int j; 12927 for (j=0; j<NI; j++) { 12928 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 12929 if (DEBUG_SHOW_INFO) { 12930 Log.v(TAG, " IntentFilter:"); 12931 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12932 } 12933 removeFilter(intent); 12934 } 12935 } 12936 12937 @Override 12938 protected boolean allowFilterResult( 12939 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 12940 ServiceInfo filterSi = filter.service.info; 12941 for (int i=dest.size()-1; i>=0; i--) { 12942 ServiceInfo destAi = dest.get(i).serviceInfo; 12943 if (destAi.name == filterSi.name 12944 && destAi.packageName == filterSi.packageName) { 12945 return false; 12946 } 12947 } 12948 return true; 12949 } 12950 12951 @Override 12952 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 12953 return new PackageParser.ServiceIntentInfo[size]; 12954 } 12955 12956 @Override 12957 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 12958 if (!sUserManager.exists(userId)) return true; 12959 PackageParser.Package p = filter.service.owner; 12960 if (p != null) { 12961 PackageSetting ps = (PackageSetting)p.mExtras; 12962 if (ps != null) { 12963 // System apps are never considered stopped for purposes of 12964 // filtering, because there may be no way for the user to 12965 // actually re-launch them. 12966 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 12967 && ps.getStopped(userId); 12968 } 12969 } 12970 return false; 12971 } 12972 12973 @Override 12974 protected boolean isPackageForFilter(String packageName, 12975 PackageParser.ServiceIntentInfo info) { 12976 return packageName.equals(info.service.owner.packageName); 12977 } 12978 12979 @Override 12980 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 12981 int match, int userId) { 12982 if (!sUserManager.exists(userId)) return null; 12983 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 12984 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 12985 return null; 12986 } 12987 final PackageParser.Service service = info.service; 12988 PackageSetting ps = (PackageSetting) service.owner.mExtras; 12989 if (ps == null) { 12990 return null; 12991 } 12992 final PackageUserState userState = ps.readUserState(userId); 12993 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 12994 userState, userId); 12995 if (si == null) { 12996 return null; 12997 } 12998 final boolean matchVisibleToInstantApp = 12999 (mFlags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 13000 final boolean isInstantApp = (mFlags & PackageManager.MATCH_INSTANT) != 0; 13001 // throw out filters that aren't visible to ephemeral apps 13002 if (matchVisibleToInstantApp 13003 && !(info.isVisibleToInstantApp() || userState.instantApp)) { 13004 return null; 13005 } 13006 // throw out ephemeral filters if we're not explicitly requesting them 13007 if (!isInstantApp && userState.instantApp) { 13008 return null; 13009 } 13010 // throw out instant app filters if updates are available; will trigger 13011 // instant app resolution 13012 if (userState.instantApp && ps.isUpdateAvailable()) { 13013 return null; 13014 } 13015 final ResolveInfo res = new ResolveInfo(); 13016 res.serviceInfo = si; 13017 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 13018 res.filter = filter; 13019 } 13020 res.priority = info.getPriority(); 13021 res.preferredOrder = service.owner.mPreferredOrder; 13022 res.match = match; 13023 res.isDefault = info.hasDefault; 13024 res.labelRes = info.labelRes; 13025 res.nonLocalizedLabel = info.nonLocalizedLabel; 13026 res.icon = info.icon; 13027 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 13028 return res; 13029 } 13030 13031 @Override 13032 protected void sortResults(List<ResolveInfo> results) { 13033 Collections.sort(results, mResolvePrioritySorter); 13034 } 13035 13036 @Override 13037 protected void dumpFilter(PrintWriter out, String prefix, 13038 PackageParser.ServiceIntentInfo filter) { 13039 out.print(prefix); out.print( 13040 Integer.toHexString(System.identityHashCode(filter.service))); 13041 out.print(' '); 13042 filter.service.printComponentShortName(out); 13043 out.print(" filter "); 13044 out.print(Integer.toHexString(System.identityHashCode(filter))); 13045 if (filter.service.info.permission != null) { 13046 out.print(" permission "); out.println(filter.service.info.permission); 13047 } else { 13048 out.println(); 13049 } 13050 } 13051 13052 @Override 13053 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 13054 return filter.service; 13055 } 13056 13057 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 13058 PackageParser.Service service = (PackageParser.Service)label; 13059 out.print(prefix); out.print( 13060 Integer.toHexString(System.identityHashCode(service))); 13061 out.print(' '); 13062 service.printComponentShortName(out); 13063 if (count > 1) { 13064 out.print(" ("); out.print(count); out.print(" filters)"); 13065 } 13066 out.println(); 13067 } 13068 13069// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 13070// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 13071// final List<ResolveInfo> retList = Lists.newArrayList(); 13072// while (i.hasNext()) { 13073// final ResolveInfo resolveInfo = (ResolveInfo) i; 13074// if (isEnabledLP(resolveInfo.serviceInfo)) { 13075// retList.add(resolveInfo); 13076// } 13077// } 13078// return retList; 13079// } 13080 13081 // Keys are String (activity class name), values are Activity. 13082 private final ArrayMap<ComponentName, PackageParser.Service> mServices 13083 = new ArrayMap<ComponentName, PackageParser.Service>(); 13084 private int mFlags; 13085 } 13086 13087 private final class ProviderIntentResolver 13088 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 13089 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 13090 boolean defaultOnly, int userId) { 13091 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 13092 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 13093 } 13094 13095 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 13096 int userId) { 13097 if (!sUserManager.exists(userId)) 13098 return null; 13099 mFlags = flags; 13100 return super.queryIntent(intent, resolvedType, 13101 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 13102 userId); 13103 } 13104 13105 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 13106 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 13107 if (!sUserManager.exists(userId)) 13108 return null; 13109 if (packageProviders == null) { 13110 return null; 13111 } 13112 mFlags = flags; 13113 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 13114 final int N = packageProviders.size(); 13115 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 13116 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 13117 13118 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 13119 for (int i = 0; i < N; ++i) { 13120 intentFilters = packageProviders.get(i).intents; 13121 if (intentFilters != null && intentFilters.size() > 0) { 13122 PackageParser.ProviderIntentInfo[] array = 13123 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 13124 intentFilters.toArray(array); 13125 listCut.add(array); 13126 } 13127 } 13128 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 13129 } 13130 13131 public final void addProvider(PackageParser.Provider p) { 13132 if (mProviders.containsKey(p.getComponentName())) { 13133 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 13134 return; 13135 } 13136 13137 mProviders.put(p.getComponentName(), p); 13138 if (DEBUG_SHOW_INFO) { 13139 Log.v(TAG, " " 13140 + (p.info.nonLocalizedLabel != null 13141 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 13142 Log.v(TAG, " Class=" + p.info.name); 13143 } 13144 final int NI = p.intents.size(); 13145 int j; 13146 for (j = 0; j < NI; j++) { 13147 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 13148 if (DEBUG_SHOW_INFO) { 13149 Log.v(TAG, " IntentFilter:"); 13150 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 13151 } 13152 if (!intent.debugCheck()) { 13153 Log.w(TAG, "==> For Provider " + p.info.name); 13154 } 13155 addFilter(intent); 13156 } 13157 } 13158 13159 public final void removeProvider(PackageParser.Provider p) { 13160 mProviders.remove(p.getComponentName()); 13161 if (DEBUG_SHOW_INFO) { 13162 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 13163 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 13164 Log.v(TAG, " Class=" + p.info.name); 13165 } 13166 final int NI = p.intents.size(); 13167 int j; 13168 for (j = 0; j < NI; j++) { 13169 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 13170 if (DEBUG_SHOW_INFO) { 13171 Log.v(TAG, " IntentFilter:"); 13172 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 13173 } 13174 removeFilter(intent); 13175 } 13176 } 13177 13178 @Override 13179 protected boolean allowFilterResult( 13180 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 13181 ProviderInfo filterPi = filter.provider.info; 13182 for (int i = dest.size() - 1; i >= 0; i--) { 13183 ProviderInfo destPi = dest.get(i).providerInfo; 13184 if (destPi.name == filterPi.name 13185 && destPi.packageName == filterPi.packageName) { 13186 return false; 13187 } 13188 } 13189 return true; 13190 } 13191 13192 @Override 13193 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 13194 return new PackageParser.ProviderIntentInfo[size]; 13195 } 13196 13197 @Override 13198 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 13199 if (!sUserManager.exists(userId)) 13200 return true; 13201 PackageParser.Package p = filter.provider.owner; 13202 if (p != null) { 13203 PackageSetting ps = (PackageSetting) p.mExtras; 13204 if (ps != null) { 13205 // System apps are never considered stopped for purposes of 13206 // filtering, because there may be no way for the user to 13207 // actually re-launch them. 13208 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 13209 && ps.getStopped(userId); 13210 } 13211 } 13212 return false; 13213 } 13214 13215 @Override 13216 protected boolean isPackageForFilter(String packageName, 13217 PackageParser.ProviderIntentInfo info) { 13218 return packageName.equals(info.provider.owner.packageName); 13219 } 13220 13221 @Override 13222 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 13223 int match, int userId) { 13224 if (!sUserManager.exists(userId)) 13225 return null; 13226 final PackageParser.ProviderIntentInfo info = filter; 13227 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 13228 return null; 13229 } 13230 final PackageParser.Provider provider = info.provider; 13231 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 13232 if (ps == null) { 13233 return null; 13234 } 13235 final PackageUserState userState = ps.readUserState(userId); 13236 final boolean matchVisibleToInstantApp = 13237 (mFlags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 13238 final boolean isInstantApp = (mFlags & PackageManager.MATCH_INSTANT) != 0; 13239 // throw out filters that aren't visible to instant applications 13240 if (matchVisibleToInstantApp 13241 && !(info.isVisibleToInstantApp() || userState.instantApp)) { 13242 return null; 13243 } 13244 // throw out instant application filters if we're not explicitly requesting them 13245 if (!isInstantApp && userState.instantApp) { 13246 return null; 13247 } 13248 // throw out instant application filters if updates are available; will trigger 13249 // instant application resolution 13250 if (userState.instantApp && ps.isUpdateAvailable()) { 13251 return null; 13252 } 13253 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 13254 userState, userId); 13255 if (pi == null) { 13256 return null; 13257 } 13258 final ResolveInfo res = new ResolveInfo(); 13259 res.providerInfo = pi; 13260 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 13261 res.filter = filter; 13262 } 13263 res.priority = info.getPriority(); 13264 res.preferredOrder = provider.owner.mPreferredOrder; 13265 res.match = match; 13266 res.isDefault = info.hasDefault; 13267 res.labelRes = info.labelRes; 13268 res.nonLocalizedLabel = info.nonLocalizedLabel; 13269 res.icon = info.icon; 13270 res.system = res.providerInfo.applicationInfo.isSystemApp(); 13271 return res; 13272 } 13273 13274 @Override 13275 protected void sortResults(List<ResolveInfo> results) { 13276 Collections.sort(results, mResolvePrioritySorter); 13277 } 13278 13279 @Override 13280 protected void dumpFilter(PrintWriter out, String prefix, 13281 PackageParser.ProviderIntentInfo filter) { 13282 out.print(prefix); 13283 out.print( 13284 Integer.toHexString(System.identityHashCode(filter.provider))); 13285 out.print(' '); 13286 filter.provider.printComponentShortName(out); 13287 out.print(" filter "); 13288 out.println(Integer.toHexString(System.identityHashCode(filter))); 13289 } 13290 13291 @Override 13292 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 13293 return filter.provider; 13294 } 13295 13296 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 13297 PackageParser.Provider provider = (PackageParser.Provider)label; 13298 out.print(prefix); out.print( 13299 Integer.toHexString(System.identityHashCode(provider))); 13300 out.print(' '); 13301 provider.printComponentShortName(out); 13302 if (count > 1) { 13303 out.print(" ("); out.print(count); out.print(" filters)"); 13304 } 13305 out.println(); 13306 } 13307 13308 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 13309 = new ArrayMap<ComponentName, PackageParser.Provider>(); 13310 private int mFlags; 13311 } 13312 13313 static final class InstantAppIntentResolver 13314 extends IntentResolver<AuxiliaryResolveInfo.AuxiliaryFilter, 13315 AuxiliaryResolveInfo.AuxiliaryFilter> { 13316 /** 13317 * The result that has the highest defined order. Ordering applies on a 13318 * per-package basis. Mapping is from package name to Pair of order and 13319 * EphemeralResolveInfo. 13320 * <p> 13321 * NOTE: This is implemented as a field variable for convenience and efficiency. 13322 * By having a field variable, we're able to track filter ordering as soon as 13323 * a non-zero order is defined. Otherwise, multiple loops across the result set 13324 * would be needed to apply ordering. If the intent resolver becomes re-entrant, 13325 * this needs to be contained entirely within {@link #filterResults}. 13326 */ 13327 final ArrayMap<String, Pair<Integer, InstantAppResolveInfo>> mOrderResult = new ArrayMap<>(); 13328 13329 @Override 13330 protected AuxiliaryResolveInfo.AuxiliaryFilter[] newArray(int size) { 13331 return new AuxiliaryResolveInfo.AuxiliaryFilter[size]; 13332 } 13333 13334 @Override 13335 protected boolean isPackageForFilter(String packageName, 13336 AuxiliaryResolveInfo.AuxiliaryFilter responseObj) { 13337 return true; 13338 } 13339 13340 @Override 13341 protected AuxiliaryResolveInfo.AuxiliaryFilter newResult( 13342 AuxiliaryResolveInfo.AuxiliaryFilter responseObj, int match, int userId) { 13343 if (!sUserManager.exists(userId)) { 13344 return null; 13345 } 13346 final String packageName = responseObj.resolveInfo.getPackageName(); 13347 final Integer order = responseObj.getOrder(); 13348 final Pair<Integer, InstantAppResolveInfo> lastOrderResult = 13349 mOrderResult.get(packageName); 13350 // ordering is enabled and this item's order isn't high enough 13351 if (lastOrderResult != null && lastOrderResult.first >= order) { 13352 return null; 13353 } 13354 final InstantAppResolveInfo res = responseObj.resolveInfo; 13355 if (order > 0) { 13356 // non-zero order, enable ordering 13357 mOrderResult.put(packageName, new Pair<>(order, res)); 13358 } 13359 return responseObj; 13360 } 13361 13362 @Override 13363 protected void filterResults(List<AuxiliaryResolveInfo.AuxiliaryFilter> results) { 13364 // only do work if ordering is enabled [most of the time it won't be] 13365 if (mOrderResult.size() == 0) { 13366 return; 13367 } 13368 int resultSize = results.size(); 13369 for (int i = 0; i < resultSize; i++) { 13370 final InstantAppResolveInfo info = results.get(i).resolveInfo; 13371 final String packageName = info.getPackageName(); 13372 final Pair<Integer, InstantAppResolveInfo> savedInfo = mOrderResult.get(packageName); 13373 if (savedInfo == null) { 13374 // package doesn't having ordering 13375 continue; 13376 } 13377 if (savedInfo.second == info) { 13378 // circled back to the highest ordered item; remove from order list 13379 mOrderResult.remove(packageName); 13380 if (mOrderResult.size() == 0) { 13381 // no more ordered items 13382 break; 13383 } 13384 continue; 13385 } 13386 // item has a worse order, remove it from the result list 13387 results.remove(i); 13388 resultSize--; 13389 i--; 13390 } 13391 } 13392 } 13393 13394 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 13395 new Comparator<ResolveInfo>() { 13396 public int compare(ResolveInfo r1, ResolveInfo r2) { 13397 int v1 = r1.priority; 13398 int v2 = r2.priority; 13399 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 13400 if (v1 != v2) { 13401 return (v1 > v2) ? -1 : 1; 13402 } 13403 v1 = r1.preferredOrder; 13404 v2 = r2.preferredOrder; 13405 if (v1 != v2) { 13406 return (v1 > v2) ? -1 : 1; 13407 } 13408 if (r1.isDefault != r2.isDefault) { 13409 return r1.isDefault ? -1 : 1; 13410 } 13411 v1 = r1.match; 13412 v2 = r2.match; 13413 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 13414 if (v1 != v2) { 13415 return (v1 > v2) ? -1 : 1; 13416 } 13417 if (r1.system != r2.system) { 13418 return r1.system ? -1 : 1; 13419 } 13420 if (r1.activityInfo != null) { 13421 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 13422 } 13423 if (r1.serviceInfo != null) { 13424 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 13425 } 13426 if (r1.providerInfo != null) { 13427 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 13428 } 13429 return 0; 13430 } 13431 }; 13432 13433 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 13434 new Comparator<ProviderInfo>() { 13435 public int compare(ProviderInfo p1, ProviderInfo p2) { 13436 final int v1 = p1.initOrder; 13437 final int v2 = p2.initOrder; 13438 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 13439 } 13440 }; 13441 13442 @Override 13443 public void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 13444 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 13445 final int[] userIds, int[] instantUserIds) { 13446 mHandler.post(new Runnable() { 13447 @Override 13448 public void run() { 13449 try { 13450 final IActivityManager am = ActivityManager.getService(); 13451 if (am == null) return; 13452 final int[] resolvedUserIds; 13453 if (userIds == null) { 13454 resolvedUserIds = am.getRunningUserIds(); 13455 } else { 13456 resolvedUserIds = userIds; 13457 } 13458 doSendBroadcast(am, action, pkg, extras, flags, targetPkg, finishedReceiver, 13459 resolvedUserIds, false); 13460 if (instantUserIds != null && instantUserIds != EMPTY_INT_ARRAY) { 13461 doSendBroadcast(am, action, pkg, extras, flags, targetPkg, finishedReceiver, 13462 instantUserIds, true); 13463 } 13464 } catch (RemoteException ex) { 13465 } 13466 } 13467 }); 13468 } 13469 13470 @Override 13471 public void notifyPackageAdded(String packageName) { 13472 final PackageListObserver[] observers; 13473 synchronized (mPackages) { 13474 if (mPackageListObservers.size() == 0) { 13475 return; 13476 } 13477 observers = (PackageListObserver[]) mPackageListObservers.toArray(); 13478 } 13479 for (int i = observers.length - 1; i >= 0; --i) { 13480 observers[i].onPackageAdded(packageName); 13481 } 13482 } 13483 13484 @Override 13485 public void notifyPackageRemoved(String packageName) { 13486 final PackageListObserver[] observers; 13487 synchronized (mPackages) { 13488 if (mPackageListObservers.size() == 0) { 13489 return; 13490 } 13491 observers = (PackageListObserver[]) mPackageListObservers.toArray(); 13492 } 13493 for (int i = observers.length - 1; i >= 0; --i) { 13494 observers[i].onPackageRemoved(packageName); 13495 } 13496 } 13497 13498 /** 13499 * Sends a broadcast for the given action. 13500 * <p>If {@code isInstantApp} is {@code true}, then the broadcast is protected with 13501 * the {@link android.Manifest.permission#ACCESS_INSTANT_APPS} permission. This allows 13502 * the system and applications allowed to see instant applications to receive package 13503 * lifecycle events for instant applications. 13504 */ 13505 private void doSendBroadcast(IActivityManager am, String action, String pkg, Bundle extras, 13506 int flags, String targetPkg, IIntentReceiver finishedReceiver, 13507 int[] userIds, boolean isInstantApp) 13508 throws RemoteException { 13509 for (int id : userIds) { 13510 final Intent intent = new Intent(action, 13511 pkg != null ? Uri.fromParts(PACKAGE_SCHEME, pkg, null) : null); 13512 final String[] requiredPermissions = 13513 isInstantApp ? INSTANT_APP_BROADCAST_PERMISSION : null; 13514 if (extras != null) { 13515 intent.putExtras(extras); 13516 } 13517 if (targetPkg != null) { 13518 intent.setPackage(targetPkg); 13519 } 13520 // Modify the UID when posting to other users 13521 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 13522 if (uid > 0 && UserHandle.getUserId(uid) != id) { 13523 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 13524 intent.putExtra(Intent.EXTRA_UID, uid); 13525 } 13526 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 13527 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 13528 if (DEBUG_BROADCASTS) { 13529 RuntimeException here = new RuntimeException("here"); 13530 here.fillInStackTrace(); 13531 Slog.d(TAG, "Sending to user " + id + ": " 13532 + intent.toShortString(false, true, false, false) 13533 + " " + intent.getExtras(), here); 13534 } 13535 am.broadcastIntent(null, intent, null, finishedReceiver, 13536 0, null, null, requiredPermissions, android.app.AppOpsManager.OP_NONE, 13537 null, finishedReceiver != null, false, id); 13538 } 13539 } 13540 13541 /** 13542 * Check if the external storage media is available. This is true if there 13543 * is a mounted external storage medium or if the external storage is 13544 * emulated. 13545 */ 13546 private boolean isExternalMediaAvailable() { 13547 return mMediaMounted || Environment.isExternalStorageEmulated(); 13548 } 13549 13550 @Override 13551 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 13552 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 13553 return null; 13554 } 13555 if (!isExternalMediaAvailable()) { 13556 // If the external storage is no longer mounted at this point, 13557 // the caller may not have been able to delete all of this 13558 // packages files and can not delete any more. Bail. 13559 return null; 13560 } 13561 synchronized (mPackages) { 13562 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 13563 if (lastPackage != null) { 13564 pkgs.remove(lastPackage); 13565 } 13566 if (pkgs.size() > 0) { 13567 return pkgs.get(0); 13568 } 13569 } 13570 return null; 13571 } 13572 13573 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 13574 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 13575 userId, andCode ? 1 : 0, packageName); 13576 if (mSystemReady) { 13577 msg.sendToTarget(); 13578 } else { 13579 if (mPostSystemReadyMessages == null) { 13580 mPostSystemReadyMessages = new ArrayList<>(); 13581 } 13582 mPostSystemReadyMessages.add(msg); 13583 } 13584 } 13585 13586 void startCleaningPackages() { 13587 // reader 13588 if (!isExternalMediaAvailable()) { 13589 return; 13590 } 13591 synchronized (mPackages) { 13592 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 13593 return; 13594 } 13595 } 13596 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 13597 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 13598 IActivityManager am = ActivityManager.getService(); 13599 if (am != null) { 13600 int dcsUid = -1; 13601 synchronized (mPackages) { 13602 if (!mDefaultContainerWhitelisted) { 13603 mDefaultContainerWhitelisted = true; 13604 PackageSetting ps = mSettings.mPackages.get(DEFAULT_CONTAINER_PACKAGE); 13605 dcsUid = UserHandle.getUid(UserHandle.USER_SYSTEM, ps.appId); 13606 } 13607 } 13608 try { 13609 if (dcsUid > 0) { 13610 am.backgroundWhitelistUid(dcsUid); 13611 } 13612 am.startService(null, intent, null, false, mContext.getOpPackageName(), 13613 UserHandle.USER_SYSTEM); 13614 } catch (RemoteException e) { 13615 } 13616 } 13617 } 13618 13619 /** 13620 * Ensure that the install reason matches what we know about the package installer (e.g. whether 13621 * it is acting on behalf on an enterprise or the user). 13622 * 13623 * Note that the ordering of the conditionals in this method is important. The checks we perform 13624 * are as follows, in this order: 13625 * 13626 * 1) If the install is being performed by a system app, we can trust the app to have set the 13627 * install reason correctly. Thus, we pass through the install reason unchanged, no matter 13628 * what it is. 13629 * 2) If the install is being performed by a device or profile owner app, the install reason 13630 * should be enterprise policy. However, we cannot be sure that the device or profile owner 13631 * set the install reason correctly. If the app targets an older SDK version where install 13632 * reasons did not exist yet, or if the app author simply forgot, the install reason may be 13633 * unset or wrong. Thus, we force the install reason to be enterprise policy. 13634 * 3) In all other cases, the install is being performed by a regular app that is neither part 13635 * of the system nor a device or profile owner. We have no reason to believe that this app is 13636 * acting on behalf of the enterprise admin. Thus, we check whether the install reason was 13637 * set to enterprise policy and if so, change it to unknown instead. 13638 */ 13639 private int fixUpInstallReason(String installerPackageName, int installerUid, 13640 int installReason) { 13641 if (checkUidPermission(android.Manifest.permission.INSTALL_PACKAGES, installerUid) 13642 == PERMISSION_GRANTED) { 13643 // If the install is being performed by a system app, we trust that app to have set the 13644 // install reason correctly. 13645 return installReason; 13646 } 13647 final String ownerPackage = mProtectedPackages.getDeviceOwnerOrProfileOwnerPackage( 13648 UserHandle.getUserId(installerUid)); 13649 if (ownerPackage != null && ownerPackage.equals(installerPackageName)) { 13650 // If the install is being performed by a device or profile owner, the install 13651 // reason should be enterprise policy. 13652 return PackageManager.INSTALL_REASON_POLICY; 13653 } 13654 13655 13656 if (installReason == PackageManager.INSTALL_REASON_POLICY) { 13657 // If the install is being performed by a regular app (i.e. neither system app nor 13658 // device or profile owner), we have no reason to believe that the app is acting on 13659 // behalf of an enterprise. If the app set the install reason to enterprise policy, 13660 // change it to unknown instead. 13661 return PackageManager.INSTALL_REASON_UNKNOWN; 13662 } 13663 13664 // If the install is being performed by a regular app and the install reason was set to any 13665 // value but enterprise policy, leave the install reason unchanged. 13666 return installReason; 13667 } 13668 13669 /** 13670 * Attempts to bind to the default container service explicitly instead of doing so lazily on 13671 * install commit. 13672 */ 13673 void earlyBindToDefContainer() { 13674 mHandler.sendMessage(mHandler.obtainMessage(DEF_CONTAINER_BIND)); 13675 } 13676 13677 void installStage(String packageName, File stagedDir, 13678 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 13679 String installerPackageName, int installerUid, UserHandle user, 13680 PackageParser.SigningDetails signingDetails) { 13681 if (DEBUG_INSTANT) { 13682 if ((sessionParams.installFlags & PackageManager.INSTALL_INSTANT_APP) != 0) { 13683 Slog.d(TAG, "Ephemeral install of " + packageName); 13684 } 13685 } 13686 final VerificationInfo verificationInfo = new VerificationInfo( 13687 sessionParams.originatingUri, sessionParams.referrerUri, 13688 sessionParams.originatingUid, installerUid); 13689 13690 final OriginInfo origin = OriginInfo.fromStagedFile(stagedDir); 13691 13692 final Message msg = mHandler.obtainMessage(INIT_COPY); 13693 final int installReason = fixUpInstallReason(installerPackageName, installerUid, 13694 sessionParams.installReason); 13695 final InstallParams params = new InstallParams(origin, null, observer, 13696 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 13697 verificationInfo, user, sessionParams.abiOverride, 13698 sessionParams.grantedRuntimePermissions, signingDetails, installReason); 13699 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 13700 msg.obj = params; 13701 13702 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 13703 System.identityHashCode(msg.obj)); 13704 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 13705 System.identityHashCode(msg.obj)); 13706 13707 mHandler.sendMessage(msg); 13708 } 13709 13710 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 13711 int userId) { 13712 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 13713 final boolean isInstantApp = pkgSetting.getInstantApp(userId); 13714 final int[] userIds = isInstantApp ? EMPTY_INT_ARRAY : new int[] { userId }; 13715 final int[] instantUserIds = isInstantApp ? new int[] { userId } : EMPTY_INT_ARRAY; 13716 sendPackageAddedForNewUsers(packageName, isSystem /*sendBootCompleted*/, 13717 false /*startReceiver*/, pkgSetting.appId, userIds, instantUserIds); 13718 13719 // Send a session commit broadcast 13720 final PackageInstaller.SessionInfo info = new PackageInstaller.SessionInfo(); 13721 info.installReason = pkgSetting.getInstallReason(userId); 13722 info.appPackageName = packageName; 13723 sendSessionCommitBroadcast(info, userId); 13724 } 13725 13726 @Override 13727 public void sendPackageAddedForNewUsers(String packageName, boolean sendBootCompleted, 13728 boolean includeStopped, int appId, int[] userIds, int[] instantUserIds) { 13729 if (ArrayUtils.isEmpty(userIds) && ArrayUtils.isEmpty(instantUserIds)) { 13730 return; 13731 } 13732 Bundle extras = new Bundle(1); 13733 // Set to UID of the first user, EXTRA_UID is automatically updated in sendPackageBroadcast 13734 final int uid = UserHandle.getUid( 13735 (ArrayUtils.isEmpty(userIds) ? instantUserIds[0] : userIds[0]), appId); 13736 extras.putInt(Intent.EXTRA_UID, uid); 13737 13738 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 13739 packageName, extras, 0, null, null, userIds, instantUserIds); 13740 if (sendBootCompleted && !ArrayUtils.isEmpty(userIds)) { 13741 mHandler.post(() -> { 13742 for (int userId : userIds) { 13743 sendBootCompletedBroadcastToSystemApp( 13744 packageName, includeStopped, userId); 13745 } 13746 } 13747 ); 13748 } 13749 } 13750 13751 /** 13752 * The just-installed/enabled app is bundled on the system, so presumed to be able to run 13753 * automatically without needing an explicit launch. 13754 * Send it a LOCKED_BOOT_COMPLETED/BOOT_COMPLETED if it would ordinarily have gotten ones. 13755 */ 13756 private void sendBootCompletedBroadcastToSystemApp(String packageName, boolean includeStopped, 13757 int userId) { 13758 // If user is not running, the app didn't miss any broadcast 13759 if (!mUserManagerInternal.isUserRunning(userId)) { 13760 return; 13761 } 13762 final IActivityManager am = ActivityManager.getService(); 13763 try { 13764 // Deliver LOCKED_BOOT_COMPLETED first 13765 Intent lockedBcIntent = new Intent(Intent.ACTION_LOCKED_BOOT_COMPLETED) 13766 .setPackage(packageName); 13767 if (includeStopped) { 13768 lockedBcIntent.addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES); 13769 } 13770 final String[] requiredPermissions = {Manifest.permission.RECEIVE_BOOT_COMPLETED}; 13771 am.broadcastIntent(null, lockedBcIntent, null, null, 0, null, null, requiredPermissions, 13772 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 13773 13774 // Deliver BOOT_COMPLETED only if user is unlocked 13775 if (mUserManagerInternal.isUserUnlockingOrUnlocked(userId)) { 13776 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED).setPackage(packageName); 13777 if (includeStopped) { 13778 bcIntent.addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES); 13779 } 13780 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, requiredPermissions, 13781 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 13782 } 13783 } catch (RemoteException e) { 13784 throw e.rethrowFromSystemServer(); 13785 } 13786 } 13787 13788 @Override 13789 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 13790 int userId) { 13791 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13792 PackageSetting pkgSetting; 13793 final int callingUid = Binder.getCallingUid(); 13794 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 13795 true /* requireFullPermission */, true /* checkShell */, 13796 "setApplicationHiddenSetting for user " + userId); 13797 13798 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 13799 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 13800 return false; 13801 } 13802 13803 long callingId = Binder.clearCallingIdentity(); 13804 try { 13805 boolean sendAdded = false; 13806 boolean sendRemoved = false; 13807 // writer 13808 synchronized (mPackages) { 13809 pkgSetting = mSettings.mPackages.get(packageName); 13810 if (pkgSetting == null) { 13811 return false; 13812 } 13813 if (filterAppAccessLPr(pkgSetting, callingUid, userId)) { 13814 return false; 13815 } 13816 // Do not allow "android" is being disabled 13817 if ("android".equals(packageName)) { 13818 Slog.w(TAG, "Cannot hide package: android"); 13819 return false; 13820 } 13821 // Cannot hide static shared libs as they are considered 13822 // a part of the using app (emulating static linking). Also 13823 // static libs are installed always on internal storage. 13824 PackageParser.Package pkg = mPackages.get(packageName); 13825 if (pkg != null && pkg.staticSharedLibName != null) { 13826 Slog.w(TAG, "Cannot hide package: " + packageName 13827 + " providing static shared library: " 13828 + pkg.staticSharedLibName); 13829 return false; 13830 } 13831 // Only allow protected packages to hide themselves. 13832 if (hidden && !UserHandle.isSameApp(callingUid, pkgSetting.appId) 13833 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 13834 Slog.w(TAG, "Not hiding protected package: " + packageName); 13835 return false; 13836 } 13837 13838 if (pkgSetting.getHidden(userId) != hidden) { 13839 pkgSetting.setHidden(hidden, userId); 13840 mSettings.writePackageRestrictionsLPr(userId); 13841 if (hidden) { 13842 sendRemoved = true; 13843 } else { 13844 sendAdded = true; 13845 } 13846 } 13847 } 13848 if (sendAdded) { 13849 sendPackageAddedForUser(packageName, pkgSetting, userId); 13850 return true; 13851 } 13852 if (sendRemoved) { 13853 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 13854 "hiding pkg"); 13855 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 13856 return true; 13857 } 13858 } finally { 13859 Binder.restoreCallingIdentity(callingId); 13860 } 13861 return false; 13862 } 13863 13864 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 13865 int userId) { 13866 final PackageRemovedInfo info = new PackageRemovedInfo(this); 13867 info.removedPackage = packageName; 13868 info.installerPackageName = pkgSetting.installerPackageName; 13869 info.removedUsers = new int[] {userId}; 13870 info.broadcastUsers = new int[] {userId}; 13871 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 13872 info.sendPackageRemovedBroadcasts(true /*killApp*/); 13873 } 13874 13875 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended, 13876 PersistableBundle launcherExtras) { 13877 if (pkgList.length > 0) { 13878 Bundle extras = new Bundle(1); 13879 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 13880 if (launcherExtras != null) { 13881 extras.putBundle(Intent.EXTRA_LAUNCHER_EXTRAS, 13882 new Bundle(launcherExtras.deepCopy())); 13883 } 13884 sendPackageBroadcast( 13885 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 13886 : Intent.ACTION_PACKAGES_UNSUSPENDED, 13887 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 13888 new int[] {userId}, null); 13889 } 13890 } 13891 13892 /** 13893 * Returns true if application is not found or there was an error. Otherwise it returns 13894 * the hidden state of the package for the given user. 13895 */ 13896 @Override 13897 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 13898 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13899 final int callingUid = Binder.getCallingUid(); 13900 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 13901 true /* requireFullPermission */, false /* checkShell */, 13902 "getApplicationHidden for user " + userId); 13903 PackageSetting ps; 13904 long callingId = Binder.clearCallingIdentity(); 13905 try { 13906 // writer 13907 synchronized (mPackages) { 13908 ps = mSettings.mPackages.get(packageName); 13909 if (ps == null) { 13910 return true; 13911 } 13912 if (filterAppAccessLPr(ps, callingUid, userId)) { 13913 return true; 13914 } 13915 return ps.getHidden(userId); 13916 } 13917 } finally { 13918 Binder.restoreCallingIdentity(callingId); 13919 } 13920 } 13921 13922 /** 13923 * @hide 13924 */ 13925 @Override 13926 public int installExistingPackageAsUser(String packageName, int userId, int installFlags, 13927 int installReason) { 13928 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 13929 null); 13930 PackageSetting pkgSetting; 13931 final int callingUid = Binder.getCallingUid(); 13932 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 13933 true /* requireFullPermission */, true /* checkShell */, 13934 "installExistingPackage for user " + userId); 13935 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 13936 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 13937 } 13938 13939 long callingId = Binder.clearCallingIdentity(); 13940 try { 13941 boolean installed = false; 13942 final boolean instantApp = 13943 (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 13944 final boolean fullApp = 13945 (installFlags & PackageManager.INSTALL_FULL_APP) != 0; 13946 13947 // writer 13948 synchronized (mPackages) { 13949 pkgSetting = mSettings.mPackages.get(packageName); 13950 if (pkgSetting == null) { 13951 return PackageManager.INSTALL_FAILED_INVALID_URI; 13952 } 13953 if (!canViewInstantApps(callingUid, UserHandle.getUserId(callingUid))) { 13954 // only allow the existing package to be used if it's installed as a full 13955 // application for at least one user 13956 boolean installAllowed = false; 13957 for (int checkUserId : sUserManager.getUserIds()) { 13958 installAllowed = !pkgSetting.getInstantApp(checkUserId); 13959 if (installAllowed) { 13960 break; 13961 } 13962 } 13963 if (!installAllowed) { 13964 return PackageManager.INSTALL_FAILED_INVALID_URI; 13965 } 13966 } 13967 if (!pkgSetting.getInstalled(userId)) { 13968 pkgSetting.setInstalled(true, userId); 13969 pkgSetting.setHidden(false, userId); 13970 pkgSetting.setInstallReason(installReason, userId); 13971 mSettings.writePackageRestrictionsLPr(userId); 13972 mSettings.writeKernelMappingLPr(pkgSetting); 13973 installed = true; 13974 } else if (fullApp && pkgSetting.getInstantApp(userId)) { 13975 // upgrade app from instant to full; we don't allow app downgrade 13976 installed = true; 13977 } 13978 setInstantAppForUser(pkgSetting, userId, instantApp, fullApp); 13979 } 13980 13981 if (installed) { 13982 if (pkgSetting.pkg != null) { 13983 synchronized (mInstallLock) { 13984 // We don't need to freeze for a brand new install 13985 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 13986 } 13987 } 13988 sendPackageAddedForUser(packageName, pkgSetting, userId); 13989 synchronized (mPackages) { 13990 updateSequenceNumberLP(pkgSetting, new int[]{ userId }); 13991 } 13992 } 13993 } finally { 13994 Binder.restoreCallingIdentity(callingId); 13995 } 13996 13997 return PackageManager.INSTALL_SUCCEEDED; 13998 } 13999 14000 static void setInstantAppForUser(PackageSetting pkgSetting, int userId, 14001 boolean instantApp, boolean fullApp) { 14002 // no state specified; do nothing 14003 if (!instantApp && !fullApp) { 14004 return; 14005 } 14006 if (userId != UserHandle.USER_ALL) { 14007 if (instantApp && !pkgSetting.getInstantApp(userId)) { 14008 pkgSetting.setInstantApp(true /*instantApp*/, userId); 14009 } else if (fullApp && pkgSetting.getInstantApp(userId)) { 14010 pkgSetting.setInstantApp(false /*instantApp*/, userId); 14011 } 14012 } else { 14013 for (int currentUserId : sUserManager.getUserIds()) { 14014 if (instantApp && !pkgSetting.getInstantApp(currentUserId)) { 14015 pkgSetting.setInstantApp(true /*instantApp*/, currentUserId); 14016 } else if (fullApp && pkgSetting.getInstantApp(currentUserId)) { 14017 pkgSetting.setInstantApp(false /*instantApp*/, currentUserId); 14018 } 14019 } 14020 } 14021 } 14022 14023 boolean isUserRestricted(int userId, String restrictionKey) { 14024 Bundle restrictions = sUserManager.getUserRestrictions(userId); 14025 if (restrictions.getBoolean(restrictionKey, false)) { 14026 Log.w(TAG, "User is restricted: " + restrictionKey); 14027 return true; 14028 } 14029 return false; 14030 } 14031 14032 @Override 14033 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 14034 PersistableBundle appExtras, PersistableBundle launcherExtras, String dialogMessage, 14035 String callingPackage, int userId) { 14036 try { 14037 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.SUSPEND_APPS, null); 14038 } catch (SecurityException e) { 14039 mContext.enforceCallingOrSelfPermission(Manifest.permission.MANAGE_USERS, 14040 "Callers need to have either " + Manifest.permission.SUSPEND_APPS + " or " 14041 + Manifest.permission.MANAGE_USERS); 14042 } 14043 final int callingUid = Binder.getCallingUid(); 14044 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 14045 true /* requireFullPermission */, true /* checkShell */, 14046 "setPackagesSuspended for user " + userId); 14047 if (callingUid != Process.ROOT_UID && 14048 !UserHandle.isSameApp(getPackageUid(callingPackage, 0, userId), callingUid)) { 14049 throw new IllegalArgumentException("CallingPackage " + callingPackage + " does not" 14050 + " belong to calling app id " + UserHandle.getAppId(callingUid)); 14051 } 14052 if (!PLATFORM_PACKAGE_NAME.equals(callingPackage) 14053 && mProtectedPackages.getDeviceOwnerOrProfileOwnerPackage(userId) != null) { 14054 throw new UnsupportedOperationException("Cannot suspend/unsuspend packages. User " 14055 + userId + " has an active DO or PO"); 14056 } 14057 if (ArrayUtils.isEmpty(packageNames)) { 14058 return packageNames; 14059 } 14060 14061 final List<String> changedPackagesList = new ArrayList<>(packageNames.length); 14062 final List<String> unactionedPackages = new ArrayList<>(packageNames.length); 14063 final long callingId = Binder.clearCallingIdentity(); 14064 try { 14065 synchronized (mPackages) { 14066 for (int i = 0; i < packageNames.length; i++) { 14067 final String packageName = packageNames[i]; 14068 if (callingPackage.equals(packageName)) { 14069 Slog.w(TAG, "Calling package: " + callingPackage + " trying to " 14070 + (suspended ? "" : "un") + "suspend itself. Ignoring"); 14071 unactionedPackages.add(packageName); 14072 continue; 14073 } 14074 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 14075 if (pkgSetting == null 14076 || filterAppAccessLPr(pkgSetting, callingUid, userId)) { 14077 Slog.w(TAG, "Could not find package setting for package: " + packageName 14078 + ". Skipping suspending/un-suspending."); 14079 unactionedPackages.add(packageName); 14080 continue; 14081 } 14082 if (!canSuspendPackageForUserLocked(packageName, userId)) { 14083 unactionedPackages.add(packageName); 14084 continue; 14085 } 14086 pkgSetting.setSuspended(suspended, callingPackage, dialogMessage, appExtras, 14087 launcherExtras, userId); 14088 changedPackagesList.add(packageName); 14089 } 14090 } 14091 } finally { 14092 Binder.restoreCallingIdentity(callingId); 14093 } 14094 if (!changedPackagesList.isEmpty()) { 14095 final String[] changedPackages = changedPackagesList.toArray( 14096 new String[changedPackagesList.size()]); 14097 sendPackagesSuspendedForUser(changedPackages, userId, suspended, launcherExtras); 14098 sendMyPackageSuspendedOrUnsuspended(changedPackages, suspended, appExtras, userId); 14099 synchronized (mPackages) { 14100 scheduleWritePackageRestrictionsLocked(userId); 14101 } 14102 } 14103 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 14104 } 14105 14106 @Override 14107 public PersistableBundle getSuspendedPackageAppExtras(String packageName, int userId) { 14108 final int callingUid = Binder.getCallingUid(); 14109 if (getPackageUid(packageName, 0, userId) != callingUid) { 14110 throw new SecurityException("Calling package " + packageName 14111 + " does not belong to calling uid " + callingUid); 14112 } 14113 synchronized (mPackages) { 14114 final PackageSetting ps = mSettings.mPackages.get(packageName); 14115 if (ps == null || filterAppAccessLPr(ps, callingUid, userId)) { 14116 throw new IllegalArgumentException("Unknown target package: " + packageName); 14117 } 14118 final PackageUserState packageUserState = ps.readUserState(userId); 14119 if (packageUserState.suspended) { 14120 return packageUserState.suspendedAppExtras; 14121 } 14122 return null; 14123 } 14124 } 14125 14126 private void sendMyPackageSuspendedOrUnsuspended(String[] affectedPackages, boolean suspended, 14127 PersistableBundle appExtras, int userId) { 14128 final String action; 14129 final Bundle intentExtras = new Bundle(); 14130 if (suspended) { 14131 action = Intent.ACTION_MY_PACKAGE_SUSPENDED; 14132 if (appExtras != null) { 14133 final Bundle bundledAppExtras = new Bundle(appExtras.deepCopy()); 14134 intentExtras.putBundle(Intent.EXTRA_SUSPENDED_PACKAGE_EXTRAS, bundledAppExtras); 14135 } 14136 } else { 14137 action = Intent.ACTION_MY_PACKAGE_UNSUSPENDED; 14138 } 14139 mHandler.post(new Runnable() { 14140 @Override 14141 public void run() { 14142 try { 14143 final IActivityManager am = ActivityManager.getService(); 14144 if (am == null) { 14145 Slog.wtf(TAG, "IActivityManager null. Cannot send MY_PACKAGE_ " 14146 + (suspended ? "" : "UN") + "SUSPENDED broadcasts"); 14147 return; 14148 } 14149 final int[] targetUserIds = new int[] {userId}; 14150 for (String packageName : affectedPackages) { 14151 doSendBroadcast(am, action, null, intentExtras, 14152 Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND, packageName, null, 14153 targetUserIds, false); 14154 } 14155 } catch (RemoteException ex) { 14156 // Shouldn't happen as AMS is in the same process. 14157 } 14158 } 14159 }); 14160 } 14161 14162 @Override 14163 public boolean isPackageSuspendedForUser(String packageName, int userId) { 14164 final int callingUid = Binder.getCallingUid(); 14165 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 14166 true /* requireFullPermission */, false /* checkShell */, 14167 "isPackageSuspendedForUser for user " + userId); 14168 synchronized (mPackages) { 14169 final PackageSetting ps = mSettings.mPackages.get(packageName); 14170 if (ps == null || filterAppAccessLPr(ps, callingUid, userId)) { 14171 throw new IllegalArgumentException("Unknown target package: " + packageName); 14172 } 14173 return ps.getSuspended(userId); 14174 } 14175 } 14176 14177 void onSuspendingPackageRemoved(String packageName, int removedForUser) { 14178 final int[] userIds = (removedForUser == UserHandle.USER_ALL) ? sUserManager.getUserIds() 14179 : new int[] {removedForUser}; 14180 for (int userId : userIds) { 14181 List<String> affectedPackages = new ArrayList<>(); 14182 synchronized (mPackages) { 14183 for (PackageSetting ps : mSettings.mPackages.values()) { 14184 final PackageUserState pus = ps.readUserState(userId); 14185 if (pus.suspended && packageName.equals(pus.suspendingPackage)) { 14186 ps.setSuspended(false, null, null, null, null, userId); 14187 affectedPackages.add(ps.name); 14188 } 14189 } 14190 } 14191 if (!affectedPackages.isEmpty()) { 14192 final String[] packageArray = affectedPackages.toArray( 14193 new String[affectedPackages.size()]); 14194 sendMyPackageSuspendedOrUnsuspended(packageArray, false, null, userId); 14195 sendPackagesSuspendedForUser(packageArray, userId, false, null); 14196 } 14197 } 14198 } 14199 14200 @GuardedBy("mPackages") 14201 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 14202 if (isPackageDeviceAdmin(packageName, userId)) { 14203 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 14204 + "\": has an active device admin"); 14205 return false; 14206 } 14207 14208 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 14209 if (packageName.equals(activeLauncherPackageName)) { 14210 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 14211 + "\": contains the active launcher"); 14212 return false; 14213 } 14214 14215 if (packageName.equals(mRequiredInstallerPackage)) { 14216 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 14217 + "\": required for package installation"); 14218 return false; 14219 } 14220 14221 if (packageName.equals(mRequiredUninstallerPackage)) { 14222 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 14223 + "\": required for package uninstallation"); 14224 return false; 14225 } 14226 14227 if (packageName.equals(mRequiredVerifierPackage)) { 14228 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 14229 + "\": required for package verification"); 14230 return false; 14231 } 14232 14233 if (packageName.equals(getDefaultDialerPackageName(userId))) { 14234 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 14235 + "\": is the default dialer"); 14236 return false; 14237 } 14238 14239 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 14240 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 14241 + "\": protected package"); 14242 return false; 14243 } 14244 14245 // Cannot suspend static shared libs as they are considered 14246 // a part of the using app (emulating static linking). Also 14247 // static libs are installed always on internal storage. 14248 PackageParser.Package pkg = mPackages.get(packageName); 14249 if (pkg != null && pkg.applicationInfo.isStaticSharedLibrary()) { 14250 Slog.w(TAG, "Cannot suspend package: " + packageName 14251 + " providing static shared library: " 14252 + pkg.staticSharedLibName); 14253 return false; 14254 } 14255 14256 if (PLATFORM_PACKAGE_NAME.equals(packageName)) { 14257 Slog.w(TAG, "Cannot suspend package: " + packageName); 14258 return false; 14259 } 14260 14261 return true; 14262 } 14263 14264 private String getActiveLauncherPackageName(int userId) { 14265 Intent intent = new Intent(Intent.ACTION_MAIN); 14266 intent.addCategory(Intent.CATEGORY_HOME); 14267 ResolveInfo resolveInfo = resolveIntent( 14268 intent, 14269 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 14270 PackageManager.MATCH_DEFAULT_ONLY, 14271 userId); 14272 14273 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 14274 } 14275 14276 private String getDefaultDialerPackageName(int userId) { 14277 synchronized (mPackages) { 14278 return mSettings.getDefaultDialerPackageNameLPw(userId); 14279 } 14280 } 14281 14282 @Override 14283 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 14284 mContext.enforceCallingOrSelfPermission( 14285 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 14286 "Only package verification agents can verify applications"); 14287 14288 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 14289 final PackageVerificationResponse response = new PackageVerificationResponse( 14290 verificationCode, Binder.getCallingUid()); 14291 msg.arg1 = id; 14292 msg.obj = response; 14293 mHandler.sendMessage(msg); 14294 } 14295 14296 @Override 14297 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 14298 long millisecondsToDelay) { 14299 mContext.enforceCallingOrSelfPermission( 14300 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 14301 "Only package verification agents can extend verification timeouts"); 14302 14303 final PackageVerificationState state = mPendingVerification.get(id); 14304 final PackageVerificationResponse response = new PackageVerificationResponse( 14305 verificationCodeAtTimeout, Binder.getCallingUid()); 14306 14307 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 14308 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 14309 } 14310 if (millisecondsToDelay < 0) { 14311 millisecondsToDelay = 0; 14312 } 14313 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 14314 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 14315 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 14316 } 14317 14318 if ((state != null) && !state.timeoutExtended()) { 14319 state.extendTimeout(); 14320 14321 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 14322 msg.arg1 = id; 14323 msg.obj = response; 14324 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 14325 } 14326 } 14327 14328 private void broadcastPackageVerified(int verificationId, Uri packageUri, 14329 int verificationCode, UserHandle user) { 14330 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 14331 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 14332 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 14333 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 14334 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 14335 14336 mContext.sendBroadcastAsUser(intent, user, 14337 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 14338 } 14339 14340 private ComponentName matchComponentForVerifier(String packageName, 14341 List<ResolveInfo> receivers) { 14342 ActivityInfo targetReceiver = null; 14343 14344 final int NR = receivers.size(); 14345 for (int i = 0; i < NR; i++) { 14346 final ResolveInfo info = receivers.get(i); 14347 if (info.activityInfo == null) { 14348 continue; 14349 } 14350 14351 if (packageName.equals(info.activityInfo.packageName)) { 14352 targetReceiver = info.activityInfo; 14353 break; 14354 } 14355 } 14356 14357 if (targetReceiver == null) { 14358 return null; 14359 } 14360 14361 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 14362 } 14363 14364 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 14365 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 14366 if (pkgInfo.verifiers.length == 0) { 14367 return null; 14368 } 14369 14370 final int N = pkgInfo.verifiers.length; 14371 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 14372 for (int i = 0; i < N; i++) { 14373 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 14374 14375 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 14376 receivers); 14377 if (comp == null) { 14378 continue; 14379 } 14380 14381 final int verifierUid = getUidForVerifier(verifierInfo); 14382 if (verifierUid == -1) { 14383 continue; 14384 } 14385 14386 if (DEBUG_VERIFY) { 14387 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 14388 + " with the correct signature"); 14389 } 14390 sufficientVerifiers.add(comp); 14391 verificationState.addSufficientVerifier(verifierUid); 14392 } 14393 14394 return sufficientVerifiers; 14395 } 14396 14397 private int getUidForVerifier(VerifierInfo verifierInfo) { 14398 synchronized (mPackages) { 14399 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 14400 if (pkg == null) { 14401 return -1; 14402 } else if (pkg.mSigningDetails.signatures.length != 1) { 14403 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 14404 + " has more than one signature; ignoring"); 14405 return -1; 14406 } 14407 14408 /* 14409 * If the public key of the package's signature does not match 14410 * our expected public key, then this is a different package and 14411 * we should skip. 14412 */ 14413 14414 final byte[] expectedPublicKey; 14415 try { 14416 final Signature verifierSig = pkg.mSigningDetails.signatures[0]; 14417 final PublicKey publicKey = verifierSig.getPublicKey(); 14418 expectedPublicKey = publicKey.getEncoded(); 14419 } catch (CertificateException e) { 14420 return -1; 14421 } 14422 14423 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 14424 14425 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 14426 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 14427 + " does not have the expected public key; ignoring"); 14428 return -1; 14429 } 14430 14431 return pkg.applicationInfo.uid; 14432 } 14433 } 14434 14435 @Override 14436 public void finishPackageInstall(int token, boolean didLaunch) { 14437 enforceSystemOrRoot("Only the system is allowed to finish installs"); 14438 14439 if (DEBUG_INSTALL) { 14440 Slog.v(TAG, "BM finishing package install for " + token); 14441 } 14442 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 14443 14444 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 14445 mHandler.sendMessage(msg); 14446 } 14447 14448 /** 14449 * Get the verification agent timeout. Used for both the APK verifier and the 14450 * intent filter verifier. 14451 * 14452 * @return verification timeout in milliseconds 14453 */ 14454 private long getVerificationTimeout() { 14455 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 14456 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 14457 DEFAULT_VERIFICATION_TIMEOUT); 14458 } 14459 14460 /** 14461 * Get the default verification agent response code. 14462 * 14463 * @return default verification response code 14464 */ 14465 private int getDefaultVerificationResponse(UserHandle user) { 14466 if (sUserManager.hasUserRestriction(UserManager.ENSURE_VERIFY_APPS, user.getIdentifier())) { 14467 return PackageManager.VERIFICATION_REJECT; 14468 } 14469 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 14470 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 14471 DEFAULT_VERIFICATION_RESPONSE); 14472 } 14473 14474 /** 14475 * Check whether or not package verification has been enabled. 14476 * 14477 * @return true if verification should be performed 14478 */ 14479 private boolean isVerificationEnabled(int userId, int installFlags, int installerUid) { 14480 if (!DEFAULT_VERIFY_ENABLE) { 14481 return false; 14482 } 14483 14484 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 14485 14486 // Check if installing from ADB 14487 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 14488 // Do not run verification in a test harness environment 14489 if (ActivityManager.isRunningInTestHarness()) { 14490 return false; 14491 } 14492 if (ensureVerifyAppsEnabled) { 14493 return true; 14494 } 14495 // Check if the developer does not want package verification for ADB installs 14496 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 14497 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 14498 return false; 14499 } 14500 } else { 14501 // only when not installed from ADB, skip verification for instant apps when 14502 // the installer and verifier are the same. 14503 if ((installFlags & PackageManager.INSTALL_INSTANT_APP) != 0) { 14504 if (mInstantAppInstallerActivity != null 14505 && mInstantAppInstallerActivity.packageName.equals( 14506 mRequiredVerifierPackage)) { 14507 try { 14508 mContext.getSystemService(AppOpsManager.class) 14509 .checkPackage(installerUid, mRequiredVerifierPackage); 14510 if (DEBUG_VERIFY) { 14511 Slog.i(TAG, "disable verification for instant app"); 14512 } 14513 return false; 14514 } catch (SecurityException ignore) { } 14515 } 14516 } 14517 } 14518 14519 if (ensureVerifyAppsEnabled) { 14520 return true; 14521 } 14522 14523 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 14524 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 14525 } 14526 14527 @Override 14528 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 14529 throws RemoteException { 14530 mContext.enforceCallingOrSelfPermission( 14531 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 14532 "Only intentfilter verification agents can verify applications"); 14533 14534 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 14535 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 14536 Binder.getCallingUid(), verificationCode, failedDomains); 14537 msg.arg1 = id; 14538 msg.obj = response; 14539 mHandler.sendMessage(msg); 14540 } 14541 14542 @Override 14543 public int getIntentVerificationStatus(String packageName, int userId) { 14544 final int callingUid = Binder.getCallingUid(); 14545 if (UserHandle.getUserId(callingUid) != userId) { 14546 mContext.enforceCallingOrSelfPermission( 14547 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 14548 "getIntentVerificationStatus" + userId); 14549 } 14550 if (getInstantAppPackageName(callingUid) != null) { 14551 return INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 14552 } 14553 synchronized (mPackages) { 14554 final PackageSetting ps = mSettings.mPackages.get(packageName); 14555 if (ps == null 14556 || filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 14557 return INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 14558 } 14559 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 14560 } 14561 } 14562 14563 @Override 14564 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 14565 mContext.enforceCallingOrSelfPermission( 14566 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14567 14568 boolean result = false; 14569 synchronized (mPackages) { 14570 final PackageSetting ps = mSettings.mPackages.get(packageName); 14571 if (filterAppAccessLPr(ps, Binder.getCallingUid(), UserHandle.getCallingUserId())) { 14572 return false; 14573 } 14574 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 14575 } 14576 if (result) { 14577 scheduleWritePackageRestrictionsLocked(userId); 14578 } 14579 return result; 14580 } 14581 14582 @Override 14583 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 14584 String packageName) { 14585 final int callingUid = Binder.getCallingUid(); 14586 if (getInstantAppPackageName(callingUid) != null) { 14587 return ParceledListSlice.emptyList(); 14588 } 14589 synchronized (mPackages) { 14590 final PackageSetting ps = mSettings.mPackages.get(packageName); 14591 if (filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 14592 return ParceledListSlice.emptyList(); 14593 } 14594 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 14595 } 14596 } 14597 14598 @Override 14599 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 14600 if (TextUtils.isEmpty(packageName)) { 14601 return ParceledListSlice.emptyList(); 14602 } 14603 final int callingUid = Binder.getCallingUid(); 14604 final int callingUserId = UserHandle.getUserId(callingUid); 14605 synchronized (mPackages) { 14606 PackageParser.Package pkg = mPackages.get(packageName); 14607 if (pkg == null || pkg.activities == null) { 14608 return ParceledListSlice.emptyList(); 14609 } 14610 if (pkg.mExtras == null) { 14611 return ParceledListSlice.emptyList(); 14612 } 14613 final PackageSetting ps = (PackageSetting) pkg.mExtras; 14614 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 14615 return ParceledListSlice.emptyList(); 14616 } 14617 final int count = pkg.activities.size(); 14618 ArrayList<IntentFilter> result = new ArrayList<>(); 14619 for (int n=0; n<count; n++) { 14620 PackageParser.Activity activity = pkg.activities.get(n); 14621 if (activity.intents != null && activity.intents.size() > 0) { 14622 result.addAll(activity.intents); 14623 } 14624 } 14625 return new ParceledListSlice<>(result); 14626 } 14627 } 14628 14629 @Override 14630 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 14631 mContext.enforceCallingOrSelfPermission( 14632 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14633 if (UserHandle.getCallingUserId() != userId) { 14634 mContext.enforceCallingOrSelfPermission( 14635 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 14636 } 14637 14638 synchronized (mPackages) { 14639 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 14640 if (packageName != null) { 14641 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowser( 14642 packageName, userId); 14643 } 14644 return result; 14645 } 14646 } 14647 14648 @Override 14649 public String getDefaultBrowserPackageName(int userId) { 14650 if (UserHandle.getCallingUserId() != userId) { 14651 mContext.enforceCallingOrSelfPermission( 14652 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 14653 } 14654 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 14655 return null; 14656 } 14657 synchronized (mPackages) { 14658 return mSettings.getDefaultBrowserPackageNameLPw(userId); 14659 } 14660 } 14661 14662 /** 14663 * Get the "allow unknown sources" setting. 14664 * 14665 * @return the current "allow unknown sources" setting 14666 */ 14667 private int getUnknownSourcesSettings() { 14668 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 14669 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 14670 -1); 14671 } 14672 14673 @Override 14674 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 14675 final int callingUid = Binder.getCallingUid(); 14676 if (getInstantAppPackageName(callingUid) != null) { 14677 return; 14678 } 14679 // writer 14680 synchronized (mPackages) { 14681 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 14682 if (targetPackageSetting == null 14683 || filterAppAccessLPr( 14684 targetPackageSetting, callingUid, UserHandle.getUserId(callingUid))) { 14685 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 14686 } 14687 14688 PackageSetting installerPackageSetting; 14689 if (installerPackageName != null) { 14690 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 14691 if (installerPackageSetting == null) { 14692 throw new IllegalArgumentException("Unknown installer package: " 14693 + installerPackageName); 14694 } 14695 } else { 14696 installerPackageSetting = null; 14697 } 14698 14699 Signature[] callerSignature; 14700 Object obj = mSettings.getUserIdLPr(callingUid); 14701 if (obj != null) { 14702 if (obj instanceof SharedUserSetting) { 14703 callerSignature = 14704 ((SharedUserSetting)obj).signatures.mSigningDetails.signatures; 14705 } else if (obj instanceof PackageSetting) { 14706 callerSignature = ((PackageSetting)obj).signatures.mSigningDetails.signatures; 14707 } else { 14708 throw new SecurityException("Bad object " + obj + " for uid " + callingUid); 14709 } 14710 } else { 14711 throw new SecurityException("Unknown calling UID: " + callingUid); 14712 } 14713 14714 // Verify: can't set installerPackageName to a package that is 14715 // not signed with the same cert as the caller. 14716 if (installerPackageSetting != null) { 14717 if (compareSignatures(callerSignature, 14718 installerPackageSetting.signatures.mSigningDetails.signatures) 14719 != PackageManager.SIGNATURE_MATCH) { 14720 throw new SecurityException( 14721 "Caller does not have same cert as new installer package " 14722 + installerPackageName); 14723 } 14724 } 14725 14726 // Verify: if target already has an installer package, it must 14727 // be signed with the same cert as the caller. 14728 if (targetPackageSetting.installerPackageName != null) { 14729 PackageSetting setting = mSettings.mPackages.get( 14730 targetPackageSetting.installerPackageName); 14731 // If the currently set package isn't valid, then it's always 14732 // okay to change it. 14733 if (setting != null) { 14734 if (compareSignatures(callerSignature, 14735 setting.signatures.mSigningDetails.signatures) 14736 != PackageManager.SIGNATURE_MATCH) { 14737 throw new SecurityException( 14738 "Caller does not have same cert as old installer package " 14739 + targetPackageSetting.installerPackageName); 14740 } 14741 } 14742 } 14743 14744 // Okay! 14745 targetPackageSetting.installerPackageName = installerPackageName; 14746 if (installerPackageName != null) { 14747 mSettings.mInstallerPackages.add(installerPackageName); 14748 } 14749 scheduleWriteSettingsLocked(); 14750 } 14751 } 14752 14753 @Override 14754 public void setApplicationCategoryHint(String packageName, int categoryHint, 14755 String callerPackageName) { 14756 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 14757 throw new SecurityException("Instant applications don't have access to this method"); 14758 } 14759 mContext.getSystemService(AppOpsManager.class).checkPackage(Binder.getCallingUid(), 14760 callerPackageName); 14761 synchronized (mPackages) { 14762 PackageSetting ps = mSettings.mPackages.get(packageName); 14763 if (ps == null) { 14764 throw new IllegalArgumentException("Unknown target package " + packageName); 14765 } 14766 if (filterAppAccessLPr(ps, Binder.getCallingUid(), UserHandle.getCallingUserId())) { 14767 throw new IllegalArgumentException("Unknown target package " + packageName); 14768 } 14769 if (!Objects.equals(callerPackageName, ps.installerPackageName)) { 14770 throw new IllegalArgumentException("Calling package " + callerPackageName 14771 + " is not installer for " + packageName); 14772 } 14773 14774 if (ps.categoryHint != categoryHint) { 14775 ps.categoryHint = categoryHint; 14776 scheduleWriteSettingsLocked(); 14777 } 14778 } 14779 } 14780 14781 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 14782 // Queue up an async operation since the package installation may take a little while. 14783 mHandler.post(new Runnable() { 14784 public void run() { 14785 mHandler.removeCallbacks(this); 14786 // Result object to be returned 14787 PackageInstalledInfo res = new PackageInstalledInfo(); 14788 res.setReturnCode(currentStatus); 14789 res.uid = -1; 14790 res.pkg = null; 14791 res.removedInfo = null; 14792 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 14793 args.doPreInstall(res.returnCode); 14794 synchronized (mInstallLock) { 14795 installPackageTracedLI(args, res); 14796 } 14797 args.doPostInstall(res.returnCode, res.uid); 14798 } 14799 14800 // A restore should be performed at this point if (a) the install 14801 // succeeded, (b) the operation is not an update, and (c) the new 14802 // package has not opted out of backup participation. 14803 final boolean update = res.removedInfo != null 14804 && res.removedInfo.removedPackage != null; 14805 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 14806 boolean doRestore = !update 14807 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 14808 14809 // Set up the post-install work request bookkeeping. This will be used 14810 // and cleaned up by the post-install event handling regardless of whether 14811 // there's a restore pass performed. Token values are >= 1. 14812 int token; 14813 if (mNextInstallToken < 0) mNextInstallToken = 1; 14814 token = mNextInstallToken++; 14815 14816 PostInstallData data = new PostInstallData(args, res); 14817 mRunningInstalls.put(token, data); 14818 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 14819 14820 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 14821 // Pass responsibility to the Backup Manager. It will perform a 14822 // restore if appropriate, then pass responsibility back to the 14823 // Package Manager to run the post-install observer callbacks 14824 // and broadcasts. 14825 IBackupManager bm = IBackupManager.Stub.asInterface( 14826 ServiceManager.getService(Context.BACKUP_SERVICE)); 14827 if (bm != null) { 14828 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 14829 + " to BM for possible restore"); 14830 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 14831 try { 14832 // TODO: http://b/22388012 14833 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 14834 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 14835 } else { 14836 doRestore = false; 14837 } 14838 } catch (RemoteException e) { 14839 // can't happen; the backup manager is local 14840 } catch (Exception e) { 14841 Slog.e(TAG, "Exception trying to enqueue restore", e); 14842 doRestore = false; 14843 } 14844 } else { 14845 Slog.e(TAG, "Backup Manager not found!"); 14846 doRestore = false; 14847 } 14848 } 14849 14850 if (!doRestore) { 14851 // No restore possible, or the Backup Manager was mysteriously not 14852 // available -- just fire the post-install work request directly. 14853 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 14854 14855 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 14856 14857 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 14858 mHandler.sendMessage(msg); 14859 } 14860 } 14861 }); 14862 } 14863 14864 /** 14865 * Callback from PackageSettings whenever an app is first transitioned out of the 14866 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 14867 * the app was "launched" for a restoreAtInstall operation. Therefore we check 14868 * here whether the app is the target of an ongoing install, and only send the 14869 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 14870 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 14871 * handling. 14872 */ 14873 void notifyFirstLaunch(final String packageName, final String installerPackage, 14874 final int userId) { 14875 // Serialize this with the rest of the install-process message chain. In the 14876 // restore-at-install case, this Runnable will necessarily run before the 14877 // POST_INSTALL message is processed, so the contents of mRunningInstalls 14878 // are coherent. In the non-restore case, the app has already completed install 14879 // and been launched through some other means, so it is not in a problematic 14880 // state for observers to see the FIRST_LAUNCH signal. 14881 mHandler.post(new Runnable() { 14882 @Override 14883 public void run() { 14884 for (int i = 0; i < mRunningInstalls.size(); i++) { 14885 final PostInstallData data = mRunningInstalls.valueAt(i); 14886 if (data.res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14887 continue; 14888 } 14889 if (packageName.equals(data.res.pkg.applicationInfo.packageName)) { 14890 // right package; but is it for the right user? 14891 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 14892 if (userId == data.res.newUsers[uIndex]) { 14893 if (DEBUG_BACKUP) { 14894 Slog.i(TAG, "Package " + packageName 14895 + " being restored so deferring FIRST_LAUNCH"); 14896 } 14897 return; 14898 } 14899 } 14900 } 14901 } 14902 // didn't find it, so not being restored 14903 if (DEBUG_BACKUP) { 14904 Slog.i(TAG, "Package " + packageName + " sending normal FIRST_LAUNCH"); 14905 } 14906 final boolean isInstantApp = isInstantApp(packageName, userId); 14907 final int[] userIds = isInstantApp ? EMPTY_INT_ARRAY : new int[] { userId }; 14908 final int[] instantUserIds = isInstantApp ? new int[] { userId } : EMPTY_INT_ARRAY; 14909 sendFirstLaunchBroadcast(packageName, installerPackage, userIds, instantUserIds); 14910 } 14911 }); 14912 } 14913 14914 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, 14915 int[] userIds, int[] instantUserIds) { 14916 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 14917 installerPkg, null, userIds, instantUserIds); 14918 } 14919 14920 private abstract class HandlerParams { 14921 private static final int MAX_RETRIES = 4; 14922 14923 /** 14924 * Number of times startCopy() has been attempted and had a non-fatal 14925 * error. 14926 */ 14927 private int mRetries = 0; 14928 14929 /** User handle for the user requesting the information or installation. */ 14930 private final UserHandle mUser; 14931 String traceMethod; 14932 int traceCookie; 14933 14934 HandlerParams(UserHandle user) { 14935 mUser = user; 14936 } 14937 14938 UserHandle getUser() { 14939 return mUser; 14940 } 14941 14942 HandlerParams setTraceMethod(String traceMethod) { 14943 this.traceMethod = traceMethod; 14944 return this; 14945 } 14946 14947 HandlerParams setTraceCookie(int traceCookie) { 14948 this.traceCookie = traceCookie; 14949 return this; 14950 } 14951 14952 final boolean startCopy() { 14953 boolean res; 14954 try { 14955 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 14956 14957 if (++mRetries > MAX_RETRIES) { 14958 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 14959 mHandler.sendEmptyMessage(MCS_GIVE_UP); 14960 handleServiceError(); 14961 return false; 14962 } else { 14963 handleStartCopy(); 14964 res = true; 14965 } 14966 } catch (RemoteException e) { 14967 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 14968 mHandler.sendEmptyMessage(MCS_RECONNECT); 14969 res = false; 14970 } 14971 handleReturnCode(); 14972 return res; 14973 } 14974 14975 final void serviceError() { 14976 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 14977 handleServiceError(); 14978 handleReturnCode(); 14979 } 14980 14981 abstract void handleStartCopy() throws RemoteException; 14982 abstract void handleServiceError(); 14983 abstract void handleReturnCode(); 14984 } 14985 14986 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 14987 for (File path : paths) { 14988 try { 14989 mcs.clearDirectory(path.getAbsolutePath()); 14990 } catch (RemoteException e) { 14991 } 14992 } 14993 } 14994 14995 static class OriginInfo { 14996 /** 14997 * Location where install is coming from, before it has been 14998 * copied/renamed into place. This could be a single monolithic APK 14999 * file, or a cluster directory. This location may be untrusted. 15000 */ 15001 final File file; 15002 15003 /** 15004 * Flag indicating that {@link #file} or {@link #cid} has already been 15005 * staged, meaning downstream users don't need to defensively copy the 15006 * contents. 15007 */ 15008 final boolean staged; 15009 15010 /** 15011 * Flag indicating that {@link #file} or {@link #cid} is an already 15012 * installed app that is being moved. 15013 */ 15014 final boolean existing; 15015 15016 final String resolvedPath; 15017 final File resolvedFile; 15018 15019 static OriginInfo fromNothing() { 15020 return new OriginInfo(null, false, false); 15021 } 15022 15023 static OriginInfo fromUntrustedFile(File file) { 15024 return new OriginInfo(file, false, false); 15025 } 15026 15027 static OriginInfo fromExistingFile(File file) { 15028 return new OriginInfo(file, false, true); 15029 } 15030 15031 static OriginInfo fromStagedFile(File file) { 15032 return new OriginInfo(file, true, false); 15033 } 15034 15035 private OriginInfo(File file, boolean staged, boolean existing) { 15036 this.file = file; 15037 this.staged = staged; 15038 this.existing = existing; 15039 15040 if (file != null) { 15041 resolvedPath = file.getAbsolutePath(); 15042 resolvedFile = file; 15043 } else { 15044 resolvedPath = null; 15045 resolvedFile = null; 15046 } 15047 } 15048 } 15049 15050 static class MoveInfo { 15051 final int moveId; 15052 final String fromUuid; 15053 final String toUuid; 15054 final String packageName; 15055 final String dataAppName; 15056 final int appId; 15057 final String seinfo; 15058 final int targetSdkVersion; 15059 15060 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 15061 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 15062 this.moveId = moveId; 15063 this.fromUuid = fromUuid; 15064 this.toUuid = toUuid; 15065 this.packageName = packageName; 15066 this.dataAppName = dataAppName; 15067 this.appId = appId; 15068 this.seinfo = seinfo; 15069 this.targetSdkVersion = targetSdkVersion; 15070 } 15071 } 15072 15073 static class VerificationInfo { 15074 /** A constant used to indicate that a uid value is not present. */ 15075 public static final int NO_UID = -1; 15076 15077 /** URI referencing where the package was downloaded from. */ 15078 final Uri originatingUri; 15079 15080 /** HTTP referrer URI associated with the originatingURI. */ 15081 final Uri referrer; 15082 15083 /** UID of the application that the install request originated from. */ 15084 final int originatingUid; 15085 15086 /** UID of application requesting the install */ 15087 final int installerUid; 15088 15089 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 15090 this.originatingUri = originatingUri; 15091 this.referrer = referrer; 15092 this.originatingUid = originatingUid; 15093 this.installerUid = installerUid; 15094 } 15095 } 15096 15097 class InstallParams extends HandlerParams { 15098 final OriginInfo origin; 15099 final MoveInfo move; 15100 final IPackageInstallObserver2 observer; 15101 int installFlags; 15102 final String installerPackageName; 15103 final String volumeUuid; 15104 private InstallArgs mArgs; 15105 private int mRet; 15106 final String packageAbiOverride; 15107 final String[] grantedRuntimePermissions; 15108 final VerificationInfo verificationInfo; 15109 final PackageParser.SigningDetails signingDetails; 15110 final int installReason; 15111 15112 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 15113 int installFlags, String installerPackageName, String volumeUuid, 15114 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 15115 String[] grantedPermissions, PackageParser.SigningDetails signingDetails, int installReason) { 15116 super(user); 15117 this.origin = origin; 15118 this.move = move; 15119 this.observer = observer; 15120 this.installFlags = installFlags; 15121 this.installerPackageName = installerPackageName; 15122 this.volumeUuid = volumeUuid; 15123 this.verificationInfo = verificationInfo; 15124 this.packageAbiOverride = packageAbiOverride; 15125 this.grantedRuntimePermissions = grantedPermissions; 15126 this.signingDetails = signingDetails; 15127 this.installReason = installReason; 15128 } 15129 15130 @Override 15131 public String toString() { 15132 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 15133 + " file=" + origin.file + "}"; 15134 } 15135 15136 private int installLocationPolicy(PackageInfoLite pkgLite) { 15137 String packageName = pkgLite.packageName; 15138 int installLocation = pkgLite.installLocation; 15139 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 15140 // reader 15141 synchronized (mPackages) { 15142 // Currently installed package which the new package is attempting to replace or 15143 // null if no such package is installed. 15144 PackageParser.Package installedPkg = mPackages.get(packageName); 15145 // Package which currently owns the data which the new package will own if installed. 15146 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 15147 // will be null whereas dataOwnerPkg will contain information about the package 15148 // which was uninstalled while keeping its data. 15149 PackageParser.Package dataOwnerPkg = installedPkg; 15150 if (dataOwnerPkg == null) { 15151 PackageSetting ps = mSettings.mPackages.get(packageName); 15152 if (ps != null) { 15153 dataOwnerPkg = ps.pkg; 15154 } 15155 } 15156 15157 if (dataOwnerPkg != null) { 15158 // If installed, the package will get access to data left on the device by its 15159 // predecessor. As a security measure, this is permited only if this is not a 15160 // version downgrade or if the predecessor package is marked as debuggable and 15161 // a downgrade is explicitly requested. 15162 // 15163 // On debuggable platform builds, downgrades are permitted even for 15164 // non-debuggable packages to make testing easier. Debuggable platform builds do 15165 // not offer security guarantees and thus it's OK to disable some security 15166 // mechanisms to make debugging/testing easier on those builds. However, even on 15167 // debuggable builds downgrades of packages are permitted only if requested via 15168 // installFlags. This is because we aim to keep the behavior of debuggable 15169 // platform builds as close as possible to the behavior of non-debuggable 15170 // platform builds. 15171 final boolean downgradeRequested = 15172 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 15173 final boolean packageDebuggable = 15174 (dataOwnerPkg.applicationInfo.flags 15175 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 15176 final boolean downgradePermitted = 15177 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 15178 if (!downgradePermitted) { 15179 try { 15180 checkDowngrade(dataOwnerPkg, pkgLite); 15181 } catch (PackageManagerException e) { 15182 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 15183 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 15184 } 15185 } 15186 } 15187 15188 if (installedPkg != null) { 15189 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 15190 // Check for updated system application. 15191 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 15192 if (onSd) { 15193 Slog.w(TAG, "Cannot install update to system app on sdcard"); 15194 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 15195 } 15196 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 15197 } else { 15198 if (onSd) { 15199 // Install flag overrides everything. 15200 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 15201 } 15202 // If current upgrade specifies particular preference 15203 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 15204 // Application explicitly specified internal. 15205 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 15206 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 15207 // App explictly prefers external. Let policy decide 15208 } else { 15209 // Prefer previous location 15210 if (isExternal(installedPkg)) { 15211 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 15212 } 15213 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 15214 } 15215 } 15216 } else { 15217 // Invalid install. Return error code 15218 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 15219 } 15220 } 15221 } 15222 // All the special cases have been taken care of. 15223 // Return result based on recommended install location. 15224 if (onSd) { 15225 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 15226 } 15227 return pkgLite.recommendedInstallLocation; 15228 } 15229 15230 /* 15231 * Invoke remote method to get package information and install 15232 * location values. Override install location based on default 15233 * policy if needed and then create install arguments based 15234 * on the install location. 15235 */ 15236 public void handleStartCopy() throws RemoteException { 15237 int ret = PackageManager.INSTALL_SUCCEEDED; 15238 15239 // If we're already staged, we've firmly committed to an install location 15240 if (origin.staged) { 15241 if (origin.file != null) { 15242 installFlags |= PackageManager.INSTALL_INTERNAL; 15243 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 15244 } else { 15245 throw new IllegalStateException("Invalid stage location"); 15246 } 15247 } 15248 15249 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 15250 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 15251 final boolean ephemeral = (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 15252 PackageInfoLite pkgLite = null; 15253 15254 if (onInt && onSd) { 15255 // Check if both bits are set. 15256 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 15257 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 15258 } else if (onSd && ephemeral) { 15259 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 15260 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 15261 } else { 15262 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 15263 packageAbiOverride); 15264 15265 if (DEBUG_INSTANT && ephemeral) { 15266 Slog.v(TAG, "pkgLite for install: " + pkgLite); 15267 } 15268 15269 /* 15270 * If we have too little free space, try to free cache 15271 * before giving up. 15272 */ 15273 if (!origin.staged && pkgLite.recommendedInstallLocation 15274 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 15275 // TODO: focus freeing disk space on the target device 15276 final StorageManager storage = StorageManager.from(mContext); 15277 final long lowThreshold = storage.getStorageLowBytes( 15278 Environment.getDataDirectory()); 15279 15280 final long sizeBytes = mContainerService.calculateInstalledSize( 15281 origin.resolvedPath, packageAbiOverride); 15282 15283 try { 15284 mInstaller.freeCache(null, sizeBytes + lowThreshold, 0, 0); 15285 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 15286 installFlags, packageAbiOverride); 15287 } catch (InstallerException e) { 15288 Slog.w(TAG, "Failed to free cache", e); 15289 } 15290 15291 /* 15292 * The cache free must have deleted the file we 15293 * downloaded to install. 15294 * 15295 * TODO: fix the "freeCache" call to not delete 15296 * the file we care about. 15297 */ 15298 if (pkgLite.recommendedInstallLocation 15299 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 15300 pkgLite.recommendedInstallLocation 15301 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 15302 } 15303 } 15304 } 15305 15306 if (ret == PackageManager.INSTALL_SUCCEEDED) { 15307 int loc = pkgLite.recommendedInstallLocation; 15308 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 15309 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 15310 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 15311 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 15312 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 15313 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 15314 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 15315 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 15316 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 15317 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 15318 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 15319 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 15320 } else { 15321 // Override with defaults if needed. 15322 loc = installLocationPolicy(pkgLite); 15323 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 15324 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 15325 } else if (!onSd && !onInt) { 15326 // Override install location with flags 15327 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 15328 // Set the flag to install on external media. 15329 installFlags |= PackageManager.INSTALL_EXTERNAL; 15330 installFlags &= ~PackageManager.INSTALL_INTERNAL; 15331 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 15332 if (DEBUG_INSTANT) { 15333 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 15334 } 15335 installFlags |= PackageManager.INSTALL_INSTANT_APP; 15336 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 15337 |PackageManager.INSTALL_INTERNAL); 15338 } else { 15339 // Make sure the flag for installing on external 15340 // media is unset 15341 installFlags |= PackageManager.INSTALL_INTERNAL; 15342 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 15343 } 15344 } 15345 } 15346 } 15347 15348 final InstallArgs args = createInstallArgs(this); 15349 mArgs = args; 15350 15351 if (ret == PackageManager.INSTALL_SUCCEEDED) { 15352 // TODO: http://b/22976637 15353 // Apps installed for "all" users use the device owner to verify the app 15354 UserHandle verifierUser = getUser(); 15355 if (verifierUser == UserHandle.ALL) { 15356 verifierUser = UserHandle.SYSTEM; 15357 } 15358 15359 /* 15360 * Determine if we have any installed package verifiers. If we 15361 * do, then we'll defer to them to verify the packages. 15362 */ 15363 final int requiredUid = mRequiredVerifierPackage == null ? -1 15364 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 15365 verifierUser.getIdentifier()); 15366 final int installerUid = 15367 verificationInfo == null ? -1 : verificationInfo.installerUid; 15368 if (!origin.existing && requiredUid != -1 15369 && isVerificationEnabled( 15370 verifierUser.getIdentifier(), installFlags, installerUid)) { 15371 final Intent verification = new Intent( 15372 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 15373 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 15374 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 15375 PACKAGE_MIME_TYPE); 15376 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 15377 15378 // Query all live verifiers based on current user state 15379 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 15380 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier(), 15381 false /*allowDynamicSplits*/); 15382 15383 if (DEBUG_VERIFY) { 15384 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 15385 + verification.toString() + " with " + pkgLite.verifiers.length 15386 + " optional verifiers"); 15387 } 15388 15389 final int verificationId = mPendingVerificationToken++; 15390 15391 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 15392 15393 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 15394 installerPackageName); 15395 15396 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 15397 installFlags); 15398 15399 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 15400 pkgLite.packageName); 15401 15402 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 15403 pkgLite.versionCode); 15404 15405 verification.putExtra(PackageManager.EXTRA_VERIFICATION_LONG_VERSION_CODE, 15406 pkgLite.getLongVersionCode()); 15407 15408 if (verificationInfo != null) { 15409 if (verificationInfo.originatingUri != null) { 15410 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 15411 verificationInfo.originatingUri); 15412 } 15413 if (verificationInfo.referrer != null) { 15414 verification.putExtra(Intent.EXTRA_REFERRER, 15415 verificationInfo.referrer); 15416 } 15417 if (verificationInfo.originatingUid >= 0) { 15418 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 15419 verificationInfo.originatingUid); 15420 } 15421 if (verificationInfo.installerUid >= 0) { 15422 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 15423 verificationInfo.installerUid); 15424 } 15425 } 15426 15427 final PackageVerificationState verificationState = new PackageVerificationState( 15428 requiredUid, args); 15429 15430 mPendingVerification.append(verificationId, verificationState); 15431 15432 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 15433 receivers, verificationState); 15434 15435 DeviceIdleController.LocalService idleController = getDeviceIdleController(); 15436 final long idleDuration = getVerificationTimeout(); 15437 15438 /* 15439 * If any sufficient verifiers were listed in the package 15440 * manifest, attempt to ask them. 15441 */ 15442 if (sufficientVerifiers != null) { 15443 final int N = sufficientVerifiers.size(); 15444 if (N == 0) { 15445 Slog.i(TAG, "Additional verifiers required, but none installed."); 15446 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 15447 } else { 15448 for (int i = 0; i < N; i++) { 15449 final ComponentName verifierComponent = sufficientVerifiers.get(i); 15450 idleController.addPowerSaveTempWhitelistApp(Process.myUid(), 15451 verifierComponent.getPackageName(), idleDuration, 15452 verifierUser.getIdentifier(), false, "package verifier"); 15453 15454 final Intent sufficientIntent = new Intent(verification); 15455 sufficientIntent.setComponent(verifierComponent); 15456 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 15457 } 15458 } 15459 } 15460 15461 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 15462 mRequiredVerifierPackage, receivers); 15463 if (ret == PackageManager.INSTALL_SUCCEEDED 15464 && mRequiredVerifierPackage != null) { 15465 Trace.asyncTraceBegin( 15466 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 15467 /* 15468 * Send the intent to the required verification agent, 15469 * but only start the verification timeout after the 15470 * target BroadcastReceivers have run. 15471 */ 15472 verification.setComponent(requiredVerifierComponent); 15473 idleController.addPowerSaveTempWhitelistApp(Process.myUid(), 15474 mRequiredVerifierPackage, idleDuration, 15475 verifierUser.getIdentifier(), false, "package verifier"); 15476 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 15477 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 15478 new BroadcastReceiver() { 15479 @Override 15480 public void onReceive(Context context, Intent intent) { 15481 final Message msg = mHandler 15482 .obtainMessage(CHECK_PENDING_VERIFICATION); 15483 msg.arg1 = verificationId; 15484 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 15485 } 15486 }, null, 0, null, null); 15487 15488 /* 15489 * We don't want the copy to proceed until verification 15490 * succeeds, so null out this field. 15491 */ 15492 mArgs = null; 15493 } 15494 } else { 15495 /* 15496 * No package verification is enabled, so immediately start 15497 * the remote call to initiate copy using temporary file. 15498 */ 15499 ret = args.copyApk(mContainerService, true); 15500 } 15501 } 15502 15503 mRet = ret; 15504 } 15505 15506 @Override 15507 void handleReturnCode() { 15508 // If mArgs is null, then MCS couldn't be reached. When it 15509 // reconnects, it will try again to install. At that point, this 15510 // will succeed. 15511 if (mArgs != null) { 15512 processPendingInstall(mArgs, mRet); 15513 } 15514 } 15515 15516 @Override 15517 void handleServiceError() { 15518 mArgs = createInstallArgs(this); 15519 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 15520 } 15521 } 15522 15523 private InstallArgs createInstallArgs(InstallParams params) { 15524 if (params.move != null) { 15525 return new MoveInstallArgs(params); 15526 } else { 15527 return new FileInstallArgs(params); 15528 } 15529 } 15530 15531 /** 15532 * Create args that describe an existing installed package. Typically used 15533 * when cleaning up old installs, or used as a move source. 15534 */ 15535 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 15536 String resourcePath, String[] instructionSets) { 15537 return new FileInstallArgs(codePath, resourcePath, instructionSets); 15538 } 15539 15540 static abstract class InstallArgs { 15541 /** @see InstallParams#origin */ 15542 final OriginInfo origin; 15543 /** @see InstallParams#move */ 15544 final MoveInfo move; 15545 15546 final IPackageInstallObserver2 observer; 15547 // Always refers to PackageManager flags only 15548 final int installFlags; 15549 final String installerPackageName; 15550 final String volumeUuid; 15551 final UserHandle user; 15552 final String abiOverride; 15553 final String[] installGrantPermissions; 15554 /** If non-null, drop an async trace when the install completes */ 15555 final String traceMethod; 15556 final int traceCookie; 15557 final PackageParser.SigningDetails signingDetails; 15558 final int installReason; 15559 15560 // The list of instruction sets supported by this app. This is currently 15561 // only used during the rmdex() phase to clean up resources. We can get rid of this 15562 // if we move dex files under the common app path. 15563 /* nullable */ String[] instructionSets; 15564 15565 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 15566 int installFlags, String installerPackageName, String volumeUuid, 15567 UserHandle user, String[] instructionSets, 15568 String abiOverride, String[] installGrantPermissions, 15569 String traceMethod, int traceCookie, PackageParser.SigningDetails signingDetails, 15570 int installReason) { 15571 this.origin = origin; 15572 this.move = move; 15573 this.installFlags = installFlags; 15574 this.observer = observer; 15575 this.installerPackageName = installerPackageName; 15576 this.volumeUuid = volumeUuid; 15577 this.user = user; 15578 this.instructionSets = instructionSets; 15579 this.abiOverride = abiOverride; 15580 this.installGrantPermissions = installGrantPermissions; 15581 this.traceMethod = traceMethod; 15582 this.traceCookie = traceCookie; 15583 this.signingDetails = signingDetails; 15584 this.installReason = installReason; 15585 } 15586 15587 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 15588 abstract int doPreInstall(int status); 15589 15590 /** 15591 * Rename package into final resting place. All paths on the given 15592 * scanned package should be updated to reflect the rename. 15593 */ 15594 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 15595 abstract int doPostInstall(int status, int uid); 15596 15597 /** @see PackageSettingBase#codePathString */ 15598 abstract String getCodePath(); 15599 /** @see PackageSettingBase#resourcePathString */ 15600 abstract String getResourcePath(); 15601 15602 // Need installer lock especially for dex file removal. 15603 abstract void cleanUpResourcesLI(); 15604 abstract boolean doPostDeleteLI(boolean delete); 15605 15606 /** 15607 * Called before the source arguments are copied. This is used mostly 15608 * for MoveParams when it needs to read the source file to put it in the 15609 * destination. 15610 */ 15611 int doPreCopy() { 15612 return PackageManager.INSTALL_SUCCEEDED; 15613 } 15614 15615 /** 15616 * Called after the source arguments are copied. This is used mostly for 15617 * MoveParams when it needs to read the source file to put it in the 15618 * destination. 15619 */ 15620 int doPostCopy(int uid) { 15621 return PackageManager.INSTALL_SUCCEEDED; 15622 } 15623 15624 protected boolean isFwdLocked() { 15625 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 15626 } 15627 15628 protected boolean isExternalAsec() { 15629 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 15630 } 15631 15632 protected boolean isEphemeral() { 15633 return (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 15634 } 15635 15636 UserHandle getUser() { 15637 return user; 15638 } 15639 } 15640 15641 void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 15642 if (!allCodePaths.isEmpty()) { 15643 if (instructionSets == null) { 15644 throw new IllegalStateException("instructionSet == null"); 15645 } 15646 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 15647 for (String codePath : allCodePaths) { 15648 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 15649 try { 15650 mInstaller.rmdex(codePath, dexCodeInstructionSet); 15651 } catch (InstallerException ignored) { 15652 } 15653 } 15654 } 15655 } 15656 } 15657 15658 /** 15659 * Logic to handle installation of non-ASEC applications, including copying 15660 * and renaming logic. 15661 */ 15662 class FileInstallArgs extends InstallArgs { 15663 private File codeFile; 15664 private File resourceFile; 15665 15666 // Example topology: 15667 // /data/app/com.example/base.apk 15668 // /data/app/com.example/split_foo.apk 15669 // /data/app/com.example/lib/arm/libfoo.so 15670 // /data/app/com.example/lib/arm64/libfoo.so 15671 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 15672 15673 /** New install */ 15674 FileInstallArgs(InstallParams params) { 15675 super(params.origin, params.move, params.observer, params.installFlags, 15676 params.installerPackageName, params.volumeUuid, 15677 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 15678 params.grantedRuntimePermissions, 15679 params.traceMethod, params.traceCookie, params.signingDetails, 15680 params.installReason); 15681 if (isFwdLocked()) { 15682 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 15683 } 15684 } 15685 15686 /** Existing install */ 15687 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 15688 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 15689 null, null, null, 0, PackageParser.SigningDetails.UNKNOWN, 15690 PackageManager.INSTALL_REASON_UNKNOWN); 15691 this.codeFile = (codePath != null) ? new File(codePath) : null; 15692 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 15693 } 15694 15695 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 15696 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 15697 try { 15698 return doCopyApk(imcs, temp); 15699 } finally { 15700 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15701 } 15702 } 15703 15704 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 15705 if (origin.staged) { 15706 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 15707 codeFile = origin.file; 15708 resourceFile = origin.file; 15709 return PackageManager.INSTALL_SUCCEEDED; 15710 } 15711 15712 try { 15713 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 15714 final File tempDir = 15715 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 15716 codeFile = tempDir; 15717 resourceFile = tempDir; 15718 } catch (IOException e) { 15719 Slog.w(TAG, "Failed to create copy file: " + e); 15720 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 15721 } 15722 15723 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 15724 @Override 15725 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 15726 if (!FileUtils.isValidExtFilename(name)) { 15727 throw new IllegalArgumentException("Invalid filename: " + name); 15728 } 15729 try { 15730 final File file = new File(codeFile, name); 15731 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 15732 O_RDWR | O_CREAT, 0644); 15733 Os.chmod(file.getAbsolutePath(), 0644); 15734 return new ParcelFileDescriptor(fd); 15735 } catch (ErrnoException e) { 15736 throw new RemoteException("Failed to open: " + e.getMessage()); 15737 } 15738 } 15739 }; 15740 15741 int ret = PackageManager.INSTALL_SUCCEEDED; 15742 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 15743 if (ret != PackageManager.INSTALL_SUCCEEDED) { 15744 Slog.e(TAG, "Failed to copy package"); 15745 return ret; 15746 } 15747 15748 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 15749 NativeLibraryHelper.Handle handle = null; 15750 try { 15751 handle = NativeLibraryHelper.Handle.create(codeFile); 15752 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 15753 abiOverride); 15754 } catch (IOException e) { 15755 Slog.e(TAG, "Copying native libraries failed", e); 15756 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 15757 } finally { 15758 IoUtils.closeQuietly(handle); 15759 } 15760 15761 return ret; 15762 } 15763 15764 int doPreInstall(int status) { 15765 if (status != PackageManager.INSTALL_SUCCEEDED) { 15766 cleanUp(); 15767 } 15768 return status; 15769 } 15770 15771 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 15772 if (status != PackageManager.INSTALL_SUCCEEDED) { 15773 cleanUp(); 15774 return false; 15775 } 15776 15777 final File targetDir = codeFile.getParentFile(); 15778 final File beforeCodeFile = codeFile; 15779 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 15780 15781 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 15782 try { 15783 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 15784 } catch (ErrnoException e) { 15785 Slog.w(TAG, "Failed to rename", e); 15786 return false; 15787 } 15788 15789 if (!SELinux.restoreconRecursive(afterCodeFile)) { 15790 Slog.w(TAG, "Failed to restorecon"); 15791 return false; 15792 } 15793 15794 // Reflect the rename internally 15795 codeFile = afterCodeFile; 15796 resourceFile = afterCodeFile; 15797 15798 // Reflect the rename in scanned details 15799 try { 15800 pkg.setCodePath(afterCodeFile.getCanonicalPath()); 15801 } catch (IOException e) { 15802 Slog.e(TAG, "Failed to get path: " + afterCodeFile, e); 15803 return false; 15804 } 15805 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 15806 afterCodeFile, pkg.baseCodePath)); 15807 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 15808 afterCodeFile, pkg.splitCodePaths)); 15809 15810 // Reflect the rename in app info 15811 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15812 pkg.setApplicationInfoCodePath(pkg.codePath); 15813 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15814 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15815 pkg.setApplicationInfoResourcePath(pkg.codePath); 15816 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15817 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15818 15819 return true; 15820 } 15821 15822 int doPostInstall(int status, int uid) { 15823 if (status != PackageManager.INSTALL_SUCCEEDED) { 15824 cleanUp(); 15825 } 15826 return status; 15827 } 15828 15829 @Override 15830 String getCodePath() { 15831 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 15832 } 15833 15834 @Override 15835 String getResourcePath() { 15836 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 15837 } 15838 15839 private boolean cleanUp() { 15840 if (codeFile == null || !codeFile.exists()) { 15841 return false; 15842 } 15843 15844 removeCodePathLI(codeFile); 15845 15846 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 15847 resourceFile.delete(); 15848 } 15849 15850 return true; 15851 } 15852 15853 void cleanUpResourcesLI() { 15854 // Try enumerating all code paths before deleting 15855 List<String> allCodePaths = Collections.EMPTY_LIST; 15856 if (codeFile != null && codeFile.exists()) { 15857 try { 15858 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 15859 allCodePaths = pkg.getAllCodePaths(); 15860 } catch (PackageParserException e) { 15861 // Ignored; we tried our best 15862 } 15863 } 15864 15865 cleanUp(); 15866 removeDexFiles(allCodePaths, instructionSets); 15867 } 15868 15869 boolean doPostDeleteLI(boolean delete) { 15870 // XXX err, shouldn't we respect the delete flag? 15871 cleanUpResourcesLI(); 15872 return true; 15873 } 15874 } 15875 15876 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 15877 PackageManagerException { 15878 if (copyRet < 0) { 15879 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 15880 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 15881 throw new PackageManagerException(copyRet, message); 15882 } 15883 } 15884 } 15885 15886 /** 15887 * Extract the StorageManagerService "container ID" from the full code path of an 15888 * .apk. 15889 */ 15890 static String cidFromCodePath(String fullCodePath) { 15891 int eidx = fullCodePath.lastIndexOf("/"); 15892 String subStr1 = fullCodePath.substring(0, eidx); 15893 int sidx = subStr1.lastIndexOf("/"); 15894 return subStr1.substring(sidx+1, eidx); 15895 } 15896 15897 /** 15898 * Logic to handle movement of existing installed applications. 15899 */ 15900 class MoveInstallArgs extends InstallArgs { 15901 private File codeFile; 15902 private File resourceFile; 15903 15904 /** New install */ 15905 MoveInstallArgs(InstallParams params) { 15906 super(params.origin, params.move, params.observer, params.installFlags, 15907 params.installerPackageName, params.volumeUuid, 15908 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 15909 params.grantedRuntimePermissions, 15910 params.traceMethod, params.traceCookie, params.signingDetails, 15911 params.installReason); 15912 } 15913 15914 int copyApk(IMediaContainerService imcs, boolean temp) { 15915 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 15916 + move.fromUuid + " to " + move.toUuid); 15917 synchronized (mInstaller) { 15918 try { 15919 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 15920 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 15921 } catch (InstallerException e) { 15922 Slog.w(TAG, "Failed to move app", e); 15923 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 15924 } 15925 } 15926 15927 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 15928 resourceFile = codeFile; 15929 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 15930 15931 return PackageManager.INSTALL_SUCCEEDED; 15932 } 15933 15934 int doPreInstall(int status) { 15935 if (status != PackageManager.INSTALL_SUCCEEDED) { 15936 cleanUp(move.toUuid); 15937 } 15938 return status; 15939 } 15940 15941 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 15942 if (status != PackageManager.INSTALL_SUCCEEDED) { 15943 cleanUp(move.toUuid); 15944 return false; 15945 } 15946 15947 // Reflect the move in app info 15948 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15949 pkg.setApplicationInfoCodePath(pkg.codePath); 15950 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15951 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15952 pkg.setApplicationInfoResourcePath(pkg.codePath); 15953 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15954 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15955 15956 return true; 15957 } 15958 15959 int doPostInstall(int status, int uid) { 15960 if (status == PackageManager.INSTALL_SUCCEEDED) { 15961 cleanUp(move.fromUuid); 15962 } else { 15963 cleanUp(move.toUuid); 15964 } 15965 return status; 15966 } 15967 15968 @Override 15969 String getCodePath() { 15970 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 15971 } 15972 15973 @Override 15974 String getResourcePath() { 15975 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 15976 } 15977 15978 private boolean cleanUp(String volumeUuid) { 15979 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 15980 move.dataAppName); 15981 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 15982 final int[] userIds = sUserManager.getUserIds(); 15983 synchronized (mInstallLock) { 15984 // Clean up both app data and code 15985 // All package moves are frozen until finished 15986 for (int userId : userIds) { 15987 try { 15988 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 15989 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 15990 } catch (InstallerException e) { 15991 Slog.w(TAG, String.valueOf(e)); 15992 } 15993 } 15994 removeCodePathLI(codeFile); 15995 } 15996 return true; 15997 } 15998 15999 void cleanUpResourcesLI() { 16000 throw new UnsupportedOperationException(); 16001 } 16002 16003 boolean doPostDeleteLI(boolean delete) { 16004 throw new UnsupportedOperationException(); 16005 } 16006 } 16007 16008 static String getAsecPackageName(String packageCid) { 16009 int idx = packageCid.lastIndexOf("-"); 16010 if (idx == -1) { 16011 return packageCid; 16012 } 16013 return packageCid.substring(0, idx); 16014 } 16015 16016 // Utility method used to create code paths based on package name and available index. 16017 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 16018 String idxStr = ""; 16019 int idx = 1; 16020 // Fall back to default value of idx=1 if prefix is not 16021 // part of oldCodePath 16022 if (oldCodePath != null) { 16023 String subStr = oldCodePath; 16024 // Drop the suffix right away 16025 if (suffix != null && subStr.endsWith(suffix)) { 16026 subStr = subStr.substring(0, subStr.length() - suffix.length()); 16027 } 16028 // If oldCodePath already contains prefix find out the 16029 // ending index to either increment or decrement. 16030 int sidx = subStr.lastIndexOf(prefix); 16031 if (sidx != -1) { 16032 subStr = subStr.substring(sidx + prefix.length()); 16033 if (subStr != null) { 16034 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 16035 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 16036 } 16037 try { 16038 idx = Integer.parseInt(subStr); 16039 if (idx <= 1) { 16040 idx++; 16041 } else { 16042 idx--; 16043 } 16044 } catch(NumberFormatException e) { 16045 } 16046 } 16047 } 16048 } 16049 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 16050 return prefix + idxStr; 16051 } 16052 16053 private File getNextCodePath(File targetDir, String packageName) { 16054 File result; 16055 SecureRandom random = new SecureRandom(); 16056 byte[] bytes = new byte[16]; 16057 do { 16058 random.nextBytes(bytes); 16059 String suffix = Base64.encodeToString(bytes, Base64.URL_SAFE | Base64.NO_WRAP); 16060 result = new File(targetDir, packageName + "-" + suffix); 16061 } while (result.exists()); 16062 return result; 16063 } 16064 16065 // Utility method that returns the relative package path with respect 16066 // to the installation directory. Like say for /data/data/com.test-1.apk 16067 // string com.test-1 is returned. 16068 static String deriveCodePathName(String codePath) { 16069 if (codePath == null) { 16070 return null; 16071 } 16072 final File codeFile = new File(codePath); 16073 final String name = codeFile.getName(); 16074 if (codeFile.isDirectory()) { 16075 return name; 16076 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 16077 final int lastDot = name.lastIndexOf('.'); 16078 return name.substring(0, lastDot); 16079 } else { 16080 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 16081 return null; 16082 } 16083 } 16084 16085 static class PackageInstalledInfo { 16086 String name; 16087 int uid; 16088 // The set of users that originally had this package installed. 16089 int[] origUsers; 16090 // The set of users that now have this package installed. 16091 int[] newUsers; 16092 PackageParser.Package pkg; 16093 int returnCode; 16094 String returnMsg; 16095 String installerPackageName; 16096 PackageRemovedInfo removedInfo; 16097 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 16098 16099 public void setError(int code, String msg) { 16100 setReturnCode(code); 16101 setReturnMessage(msg); 16102 Slog.w(TAG, msg); 16103 } 16104 16105 public void setError(String msg, PackageParserException e) { 16106 setReturnCode(e.error); 16107 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 16108 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 16109 for (int i = 0; i < childCount; i++) { 16110 addedChildPackages.valueAt(i).setError(msg, e); 16111 } 16112 Slog.w(TAG, msg, e); 16113 } 16114 16115 public void setError(String msg, PackageManagerException e) { 16116 returnCode = e.error; 16117 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 16118 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 16119 for (int i = 0; i < childCount; i++) { 16120 addedChildPackages.valueAt(i).setError(msg, e); 16121 } 16122 Slog.w(TAG, msg, e); 16123 } 16124 16125 public void setReturnCode(int returnCode) { 16126 this.returnCode = returnCode; 16127 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 16128 for (int i = 0; i < childCount; i++) { 16129 addedChildPackages.valueAt(i).returnCode = returnCode; 16130 } 16131 } 16132 16133 private void setReturnMessage(String returnMsg) { 16134 this.returnMsg = returnMsg; 16135 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 16136 for (int i = 0; i < childCount; i++) { 16137 addedChildPackages.valueAt(i).returnMsg = returnMsg; 16138 } 16139 } 16140 16141 // In some error cases we want to convey more info back to the observer 16142 String origPackage; 16143 String origPermission; 16144 } 16145 16146 /* 16147 * Install a non-existing package. 16148 */ 16149 private void installNewPackageLIF(PackageParser.Package pkg, final @ParseFlags int parseFlags, 16150 final @ScanFlags int scanFlags, UserHandle user, String installerPackageName, 16151 String volumeUuid, PackageInstalledInfo res, int installReason) { 16152 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 16153 16154 // Remember this for later, in case we need to rollback this install 16155 String pkgName = pkg.packageName; 16156 16157 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 16158 16159 synchronized(mPackages) { 16160 final String renamedPackage = mSettings.getRenamedPackageLPr(pkgName); 16161 if (renamedPackage != null) { 16162 // A package with the same name is already installed, though 16163 // it has been renamed to an older name. The package we 16164 // are trying to install should be installed as an update to 16165 // the existing one, but that has not been requested, so bail. 16166 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 16167 + " without first uninstalling package running as " 16168 + renamedPackage); 16169 return; 16170 } 16171 if (mPackages.containsKey(pkgName)) { 16172 // Don't allow installation over an existing package with the same name. 16173 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 16174 + " without first uninstalling."); 16175 return; 16176 } 16177 } 16178 16179 try { 16180 PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 16181 System.currentTimeMillis(), user); 16182 16183 updateSettingsLI(newPackage, installerPackageName, null, res, user, installReason); 16184 16185 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 16186 prepareAppDataAfterInstallLIF(newPackage); 16187 16188 } else { 16189 // Remove package from internal structures, but keep around any 16190 // data that might have already existed 16191 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 16192 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 16193 } 16194 } catch (PackageManagerException e) { 16195 res.setError("Package couldn't be installed in " + pkg.codePath, e); 16196 } 16197 16198 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16199 } 16200 16201 private static void updateDigest(MessageDigest digest, File file) throws IOException { 16202 try (DigestInputStream digestStream = 16203 new DigestInputStream(new FileInputStream(file), digest)) { 16204 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 16205 } 16206 } 16207 16208 private void replacePackageLIF(PackageParser.Package pkg, final @ParseFlags int parseFlags, 16209 final @ScanFlags int scanFlags, UserHandle user, String installerPackageName, 16210 PackageInstalledInfo res, int installReason) { 16211 final boolean isInstantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 16212 16213 final PackageParser.Package oldPackage; 16214 final PackageSetting ps; 16215 final String pkgName = pkg.packageName; 16216 final int[] allUsers; 16217 final int[] installedUsers; 16218 16219 synchronized(mPackages) { 16220 oldPackage = mPackages.get(pkgName); 16221 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 16222 16223 // don't allow upgrade to target a release SDK from a pre-release SDK 16224 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 16225 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 16226 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 16227 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 16228 if (oldTargetsPreRelease 16229 && !newTargetsPreRelease 16230 && ((parseFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 16231 Slog.w(TAG, "Can't install package targeting released sdk"); 16232 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 16233 return; 16234 } 16235 16236 ps = mSettings.mPackages.get(pkgName); 16237 16238 // verify signatures are valid 16239 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 16240 if (ksms.shouldCheckUpgradeKeySetLocked(ps, scanFlags)) { 16241 if (!ksms.checkUpgradeKeySetLocked(ps, pkg)) { 16242 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 16243 "New package not signed by keys specified by upgrade-keysets: " 16244 + pkgName); 16245 return; 16246 } 16247 } else { 16248 16249 // default to original signature matching 16250 if (!pkg.mSigningDetails.checkCapability(oldPackage.mSigningDetails, 16251 PackageParser.SigningDetails.CertCapabilities.INSTALLED_DATA) 16252 && !oldPackage.mSigningDetails.checkCapability( 16253 pkg.mSigningDetails, 16254 PackageParser.SigningDetails.CertCapabilities.ROLLBACK)) { 16255 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 16256 "New package has a different signature: " + pkgName); 16257 return; 16258 } 16259 } 16260 16261 // don't allow a system upgrade unless the upgrade hash matches 16262 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystem()) { 16263 byte[] digestBytes = null; 16264 try { 16265 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 16266 updateDigest(digest, new File(pkg.baseCodePath)); 16267 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 16268 for (String path : pkg.splitCodePaths) { 16269 updateDigest(digest, new File(path)); 16270 } 16271 } 16272 digestBytes = digest.digest(); 16273 } catch (NoSuchAlgorithmException | IOException e) { 16274 res.setError(INSTALL_FAILED_INVALID_APK, 16275 "Could not compute hash: " + pkgName); 16276 return; 16277 } 16278 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 16279 res.setError(INSTALL_FAILED_INVALID_APK, 16280 "New package fails restrict-update check: " + pkgName); 16281 return; 16282 } 16283 // retain upgrade restriction 16284 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 16285 } 16286 16287 // Check for shared user id changes 16288 String invalidPackageName = 16289 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 16290 if (invalidPackageName != null) { 16291 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 16292 "Package " + invalidPackageName + " tried to change user " 16293 + oldPackage.mSharedUserId); 16294 return; 16295 } 16296 16297 // check if the new package supports all of the abis which the old package supports 16298 boolean oldPkgSupportMultiArch = oldPackage.applicationInfo.secondaryCpuAbi != null; 16299 boolean newPkgSupportMultiArch = pkg.applicationInfo.secondaryCpuAbi != null; 16300 if (isSystemApp(oldPackage) && oldPkgSupportMultiArch && !newPkgSupportMultiArch) { 16301 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 16302 "Update to package " + pkgName + " doesn't support multi arch"); 16303 return; 16304 } 16305 16306 // In case of rollback, remember per-user/profile install state 16307 allUsers = sUserManager.getUserIds(); 16308 installedUsers = ps.queryInstalledUsers(allUsers, true); 16309 16310 // don't allow an upgrade from full to ephemeral 16311 if (isInstantApp) { 16312 if (user == null || user.getIdentifier() == UserHandle.USER_ALL) { 16313 for (int currentUser : allUsers) { 16314 if (!ps.getInstantApp(currentUser)) { 16315 // can't downgrade from full to instant 16316 Slog.w(TAG, "Can't replace full app with instant app: " + pkgName 16317 + " for user: " + currentUser); 16318 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 16319 return; 16320 } 16321 } 16322 } else if (!ps.getInstantApp(user.getIdentifier())) { 16323 // can't downgrade from full to instant 16324 Slog.w(TAG, "Can't replace full app with instant app: " + pkgName 16325 + " for user: " + user.getIdentifier()); 16326 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 16327 return; 16328 } 16329 } 16330 } 16331 16332 // Update what is removed 16333 res.removedInfo = new PackageRemovedInfo(this); 16334 res.removedInfo.uid = oldPackage.applicationInfo.uid; 16335 res.removedInfo.removedPackage = oldPackage.packageName; 16336 res.removedInfo.installerPackageName = ps.installerPackageName; 16337 res.removedInfo.isStaticSharedLib = pkg.staticSharedLibName != null; 16338 res.removedInfo.isUpdate = true; 16339 res.removedInfo.origUsers = installedUsers; 16340 res.removedInfo.installReasons = new SparseArray<>(installedUsers.length); 16341 for (int i = 0; i < installedUsers.length; i++) { 16342 final int userId = installedUsers[i]; 16343 res.removedInfo.installReasons.put(userId, ps.getInstallReason(userId)); 16344 } 16345 16346 final int childCount = (oldPackage.childPackages != null) 16347 ? oldPackage.childPackages.size() : 0; 16348 for (int i = 0; i < childCount; i++) { 16349 boolean childPackageUpdated = false; 16350 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 16351 final PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 16352 if (res.addedChildPackages != null) { 16353 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 16354 if (childRes != null) { 16355 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 16356 childRes.removedInfo.removedPackage = childPkg.packageName; 16357 if (childPs != null) { 16358 childRes.removedInfo.installerPackageName = childPs.installerPackageName; 16359 } 16360 childRes.removedInfo.isUpdate = true; 16361 childRes.removedInfo.installReasons = res.removedInfo.installReasons; 16362 childPackageUpdated = true; 16363 } 16364 } 16365 if (!childPackageUpdated) { 16366 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(this); 16367 childRemovedRes.removedPackage = childPkg.packageName; 16368 if (childPs != null) { 16369 childRemovedRes.installerPackageName = childPs.installerPackageName; 16370 } 16371 childRemovedRes.isUpdate = false; 16372 childRemovedRes.dataRemoved = true; 16373 synchronized (mPackages) { 16374 if (childPs != null) { 16375 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 16376 } 16377 } 16378 if (res.removedInfo.removedChildPackages == null) { 16379 res.removedInfo.removedChildPackages = new ArrayMap<>(); 16380 } 16381 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 16382 } 16383 } 16384 16385 boolean sysPkg = (isSystemApp(oldPackage)); 16386 if (sysPkg) { 16387 // Set the system/privileged/oem/vendor/product flags as needed 16388 final boolean privileged = 16389 (oldPackage.applicationInfo.privateFlags 16390 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 16391 final boolean oem = 16392 (oldPackage.applicationInfo.privateFlags 16393 & ApplicationInfo.PRIVATE_FLAG_OEM) != 0; 16394 final boolean vendor = 16395 (oldPackage.applicationInfo.privateFlags 16396 & ApplicationInfo.PRIVATE_FLAG_VENDOR) != 0; 16397 final boolean product = 16398 (oldPackage.applicationInfo.privateFlags 16399 & ApplicationInfo.PRIVATE_FLAG_PRODUCT) != 0; 16400 final @ParseFlags int systemParseFlags = parseFlags; 16401 final @ScanFlags int systemScanFlags = scanFlags 16402 | SCAN_AS_SYSTEM 16403 | (privileged ? SCAN_AS_PRIVILEGED : 0) 16404 | (oem ? SCAN_AS_OEM : 0) 16405 | (vendor ? SCAN_AS_VENDOR : 0) 16406 | (product ? SCAN_AS_PRODUCT : 0); 16407 16408 replaceSystemPackageLIF(oldPackage, pkg, systemParseFlags, systemScanFlags, 16409 user, allUsers, installerPackageName, res, installReason); 16410 } else { 16411 replaceNonSystemPackageLIF(oldPackage, pkg, parseFlags, scanFlags, 16412 user, allUsers, installerPackageName, res, installReason); 16413 } 16414 } 16415 16416 @Override 16417 public List<String> getPreviousCodePaths(String packageName) { 16418 final int callingUid = Binder.getCallingUid(); 16419 final List<String> result = new ArrayList<>(); 16420 if (getInstantAppPackageName(callingUid) != null) { 16421 return result; 16422 } 16423 final PackageSetting ps = mSettings.mPackages.get(packageName); 16424 if (ps != null 16425 && ps.oldCodePaths != null 16426 && !filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 16427 result.addAll(ps.oldCodePaths); 16428 } 16429 return result; 16430 } 16431 16432 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 16433 PackageParser.Package pkg, final @ParseFlags int parseFlags, 16434 final @ScanFlags int scanFlags, UserHandle user, int[] allUsers, 16435 String installerPackageName, PackageInstalledInfo res, int installReason) { 16436 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 16437 + deletedPackage); 16438 16439 String pkgName = deletedPackage.packageName; 16440 boolean deletedPkg = true; 16441 boolean addedPkg = false; 16442 boolean updatedSettings = false; 16443 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 16444 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 16445 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 16446 16447 final long origUpdateTime = (pkg.mExtras != null) 16448 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 16449 16450 // First delete the existing package while retaining the data directory 16451 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 16452 res.removedInfo, true, pkg)) { 16453 // If the existing package wasn't successfully deleted 16454 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 16455 deletedPkg = false; 16456 } else { 16457 // Successfully deleted the old package; proceed with replace. 16458 16459 // If deleted package lived in a container, give users a chance to 16460 // relinquish resources before killing. 16461 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 16462 if (DEBUG_INSTALL) { 16463 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 16464 } 16465 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 16466 final ArrayList<String> pkgList = new ArrayList<String>(1); 16467 pkgList.add(deletedPackage.applicationInfo.packageName); 16468 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 16469 } 16470 16471 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 16472 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16473 16474 try { 16475 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, 16476 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 16477 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 16478 installReason); 16479 16480 // Update the in-memory copy of the previous code paths. 16481 PackageSetting ps = mSettings.mPackages.get(pkgName); 16482 if (!killApp) { 16483 if (ps.oldCodePaths == null) { 16484 ps.oldCodePaths = new ArraySet<>(); 16485 } 16486 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 16487 if (deletedPackage.splitCodePaths != null) { 16488 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 16489 } 16490 } else { 16491 ps.oldCodePaths = null; 16492 } 16493 if (ps.childPackageNames != null) { 16494 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 16495 final String childPkgName = ps.childPackageNames.get(i); 16496 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 16497 childPs.oldCodePaths = ps.oldCodePaths; 16498 } 16499 } 16500 prepareAppDataAfterInstallLIF(newPackage); 16501 addedPkg = true; 16502 mDexManager.notifyPackageUpdated(newPackage.packageName, 16503 newPackage.baseCodePath, newPackage.splitCodePaths); 16504 } catch (PackageManagerException e) { 16505 res.setError("Package couldn't be installed in " + pkg.codePath, e); 16506 } 16507 } 16508 16509 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 16510 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 16511 16512 // Revert all internal state mutations and added folders for the failed install 16513 if (addedPkg) { 16514 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 16515 res.removedInfo, true, null); 16516 } 16517 16518 // Restore the old package 16519 if (deletedPkg) { 16520 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 16521 File restoreFile = new File(deletedPackage.codePath); 16522 // Parse old package 16523 boolean oldExternal = isExternal(deletedPackage); 16524 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 16525 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 16526 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 16527 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 16528 try { 16529 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 16530 null); 16531 } catch (PackageManagerException e) { 16532 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 16533 + e.getMessage()); 16534 return; 16535 } 16536 16537 synchronized (mPackages) { 16538 // Ensure the installer package name up to date 16539 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 16540 16541 // Update permissions for restored package 16542 mPermissionManager.updatePermissions( 16543 deletedPackage.packageName, deletedPackage, false, mPackages.values(), 16544 mPermissionCallback); 16545 16546 mSettings.writeLPr(); 16547 } 16548 16549 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 16550 } 16551 } else { 16552 synchronized (mPackages) { 16553 PackageSetting ps = mSettings.getPackageLPr(pkg.packageName); 16554 if (ps != null) { 16555 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 16556 if (res.removedInfo.removedChildPackages != null) { 16557 final int childCount = res.removedInfo.removedChildPackages.size(); 16558 // Iterate in reverse as we may modify the collection 16559 for (int i = childCount - 1; i >= 0; i--) { 16560 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 16561 if (res.addedChildPackages.containsKey(childPackageName)) { 16562 res.removedInfo.removedChildPackages.removeAt(i); 16563 } else { 16564 PackageRemovedInfo childInfo = res.removedInfo 16565 .removedChildPackages.valueAt(i); 16566 childInfo.removedForAllUsers = mPackages.get( 16567 childInfo.removedPackage) == null; 16568 } 16569 } 16570 } 16571 } 16572 } 16573 } 16574 } 16575 16576 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 16577 PackageParser.Package pkg, final @ParseFlags int parseFlags, 16578 final @ScanFlags int scanFlags, UserHandle user, 16579 int[] allUsers, String installerPackageName, PackageInstalledInfo res, 16580 int installReason) { 16581 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 16582 + ", old=" + deletedPackage); 16583 16584 final boolean disabledSystem; 16585 16586 // Remove existing system package 16587 removePackageLI(deletedPackage, true); 16588 16589 synchronized (mPackages) { 16590 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 16591 } 16592 if (!disabledSystem) { 16593 // We didn't need to disable the .apk as a current system package, 16594 // which means we are replacing another update that is already 16595 // installed. We need to make sure to delete the older one's .apk. 16596 res.removedInfo.args = createInstallArgsForExisting(0, 16597 deletedPackage.applicationInfo.getCodePath(), 16598 deletedPackage.applicationInfo.getResourcePath(), 16599 getAppDexInstructionSets(deletedPackage.applicationInfo)); 16600 } else { 16601 res.removedInfo.args = null; 16602 } 16603 16604 // Successfully disabled the old package. Now proceed with re-installation 16605 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 16606 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 16607 16608 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16609 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 16610 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 16611 16612 PackageParser.Package newPackage = null; 16613 try { 16614 // Add the package to the internal data structures 16615 newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 0, user); 16616 16617 // Set the update and install times 16618 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 16619 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 16620 System.currentTimeMillis()); 16621 16622 // Update the package dynamic state if succeeded 16623 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 16624 // Now that the install succeeded make sure we remove data 16625 // directories for any child package the update removed. 16626 final int deletedChildCount = (deletedPackage.childPackages != null) 16627 ? deletedPackage.childPackages.size() : 0; 16628 final int newChildCount = (newPackage.childPackages != null) 16629 ? newPackage.childPackages.size() : 0; 16630 for (int i = 0; i < deletedChildCount; i++) { 16631 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 16632 boolean childPackageDeleted = true; 16633 for (int j = 0; j < newChildCount; j++) { 16634 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 16635 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 16636 childPackageDeleted = false; 16637 break; 16638 } 16639 } 16640 if (childPackageDeleted) { 16641 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 16642 deletedChildPkg.packageName); 16643 if (ps != null && res.removedInfo.removedChildPackages != null) { 16644 PackageRemovedInfo removedChildRes = res.removedInfo 16645 .removedChildPackages.get(deletedChildPkg.packageName); 16646 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 16647 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 16648 } 16649 } 16650 } 16651 16652 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 16653 installReason); 16654 prepareAppDataAfterInstallLIF(newPackage); 16655 16656 mDexManager.notifyPackageUpdated(newPackage.packageName, 16657 newPackage.baseCodePath, newPackage.splitCodePaths); 16658 } 16659 } catch (PackageManagerException e) { 16660 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 16661 res.setError("Package couldn't be installed in " + pkg.codePath, e); 16662 } 16663 16664 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 16665 // Re installation failed. Restore old information 16666 // Remove new pkg information 16667 if (newPackage != null) { 16668 removeInstalledPackageLI(newPackage, true); 16669 } 16670 // Add back the old system package 16671 try { 16672 scanPackageTracedLI(deletedPackage, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 16673 } catch (PackageManagerException e) { 16674 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 16675 } 16676 16677 synchronized (mPackages) { 16678 if (disabledSystem) { 16679 enableSystemPackageLPw(deletedPackage); 16680 } 16681 16682 // Ensure the installer package name up to date 16683 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 16684 16685 // Update permissions for restored package 16686 mPermissionManager.updatePermissions( 16687 deletedPackage.packageName, deletedPackage, false, mPackages.values(), 16688 mPermissionCallback); 16689 16690 mSettings.writeLPr(); 16691 } 16692 16693 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 16694 + " after failed upgrade"); 16695 } 16696 } 16697 16698 /** 16699 * Checks whether the parent or any of the child packages have a change shared 16700 * user. For a package to be a valid update the shred users of the parent and 16701 * the children should match. We may later support changing child shared users. 16702 * @param oldPkg The updated package. 16703 * @param newPkg The update package. 16704 * @return The shared user that change between the versions. 16705 */ 16706 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 16707 PackageParser.Package newPkg) { 16708 // Check parent shared user 16709 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 16710 return newPkg.packageName; 16711 } 16712 // Check child shared users 16713 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 16714 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 16715 for (int i = 0; i < newChildCount; i++) { 16716 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 16717 // If this child was present, did it have the same shared user? 16718 for (int j = 0; j < oldChildCount; j++) { 16719 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 16720 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 16721 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 16722 return newChildPkg.packageName; 16723 } 16724 } 16725 } 16726 return null; 16727 } 16728 16729 private void removeNativeBinariesLI(PackageSetting ps) { 16730 // Remove the lib path for the parent package 16731 if (ps != null) { 16732 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 16733 // Remove the lib path for the child packages 16734 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 16735 for (int i = 0; i < childCount; i++) { 16736 PackageSetting childPs = null; 16737 synchronized (mPackages) { 16738 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 16739 } 16740 if (childPs != null) { 16741 NativeLibraryHelper.removeNativeBinariesLI(childPs 16742 .legacyNativeLibraryPathString); 16743 } 16744 } 16745 } 16746 } 16747 16748 private void enableSystemPackageLPw(PackageParser.Package pkg) { 16749 // Enable the parent package 16750 mSettings.enableSystemPackageLPw(pkg.packageName); 16751 // Enable the child packages 16752 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16753 for (int i = 0; i < childCount; i++) { 16754 PackageParser.Package childPkg = pkg.childPackages.get(i); 16755 mSettings.enableSystemPackageLPw(childPkg.packageName); 16756 } 16757 } 16758 16759 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 16760 PackageParser.Package newPkg) { 16761 // Disable the parent package (parent always replaced) 16762 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 16763 // Disable the child packages 16764 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 16765 for (int i = 0; i < childCount; i++) { 16766 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 16767 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 16768 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 16769 } 16770 return disabled; 16771 } 16772 16773 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 16774 String installerPackageName) { 16775 // Enable the parent package 16776 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 16777 // Enable the child packages 16778 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16779 for (int i = 0; i < childCount; i++) { 16780 PackageParser.Package childPkg = pkg.childPackages.get(i); 16781 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 16782 } 16783 } 16784 16785 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 16786 int[] allUsers, PackageInstalledInfo res, UserHandle user, int installReason) { 16787 // Update the parent package setting 16788 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 16789 res, user, installReason); 16790 // Update the child packages setting 16791 final int childCount = (newPackage.childPackages != null) 16792 ? newPackage.childPackages.size() : 0; 16793 for (int i = 0; i < childCount; i++) { 16794 PackageParser.Package childPackage = newPackage.childPackages.get(i); 16795 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 16796 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 16797 childRes.origUsers, childRes, user, installReason); 16798 } 16799 } 16800 16801 private void updateSettingsInternalLI(PackageParser.Package pkg, 16802 String installerPackageName, int[] allUsers, int[] installedForUsers, 16803 PackageInstalledInfo res, UserHandle user, int installReason) { 16804 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 16805 16806 final String pkgName = pkg.packageName; 16807 16808 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + pkg.codePath); 16809 synchronized (mPackages) { 16810// NOTE: This changes slightly to include UPDATE_PERMISSIONS_ALL regardless of the size of pkg.permissions 16811 mPermissionManager.updatePermissions(pkg.packageName, pkg, true, mPackages.values(), 16812 mPermissionCallback); 16813 // For system-bundled packages, we assume that installing an upgraded version 16814 // of the package implies that the user actually wants to run that new code, 16815 // so we enable the package. 16816 PackageSetting ps = mSettings.mPackages.get(pkgName); 16817 final int userId = user.getIdentifier(); 16818 if (ps != null) { 16819 if (isSystemApp(pkg)) { 16820 if (DEBUG_INSTALL) { 16821 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 16822 } 16823 // Enable system package for requested users 16824 if (res.origUsers != null) { 16825 for (int origUserId : res.origUsers) { 16826 if (userId == UserHandle.USER_ALL || userId == origUserId) { 16827 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 16828 origUserId, installerPackageName); 16829 } 16830 } 16831 } 16832 // Also convey the prior install/uninstall state 16833 if (allUsers != null && installedForUsers != null) { 16834 for (int currentUserId : allUsers) { 16835 final boolean installed = ArrayUtils.contains( 16836 installedForUsers, currentUserId); 16837 if (DEBUG_INSTALL) { 16838 Slog.d(TAG, " user " + currentUserId + " => " + installed); 16839 } 16840 ps.setInstalled(installed, currentUserId); 16841 } 16842 // these install state changes will be persisted in the 16843 // upcoming call to mSettings.writeLPr(). 16844 } 16845 } 16846 // It's implied that when a user requests installation, they want the app to be 16847 // installed and enabled. 16848 if (userId != UserHandle.USER_ALL) { 16849 ps.setInstalled(true, userId); 16850 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 16851 } 16852 16853 // When replacing an existing package, preserve the original install reason for all 16854 // users that had the package installed before. 16855 final Set<Integer> previousUserIds = new ArraySet<>(); 16856 if (res.removedInfo != null && res.removedInfo.installReasons != null) { 16857 final int installReasonCount = res.removedInfo.installReasons.size(); 16858 for (int i = 0; i < installReasonCount; i++) { 16859 final int previousUserId = res.removedInfo.installReasons.keyAt(i); 16860 final int previousInstallReason = res.removedInfo.installReasons.valueAt(i); 16861 ps.setInstallReason(previousInstallReason, previousUserId); 16862 previousUserIds.add(previousUserId); 16863 } 16864 } 16865 16866 // Set install reason for users that are having the package newly installed. 16867 if (userId == UserHandle.USER_ALL) { 16868 for (int currentUserId : sUserManager.getUserIds()) { 16869 if (!previousUserIds.contains(currentUserId)) { 16870 ps.setInstallReason(installReason, currentUserId); 16871 } 16872 } 16873 } else if (!previousUserIds.contains(userId)) { 16874 ps.setInstallReason(installReason, userId); 16875 } 16876 mSettings.writeKernelMappingLPr(ps); 16877 } 16878 res.name = pkgName; 16879 res.uid = pkg.applicationInfo.uid; 16880 res.pkg = pkg; 16881 mSettings.setInstallerPackageName(pkgName, installerPackageName); 16882 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16883 //to update install status 16884 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 16885 mSettings.writeLPr(); 16886 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16887 } 16888 16889 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16890 } 16891 16892 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 16893 try { 16894 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 16895 installPackageLI(args, res); 16896 } finally { 16897 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16898 } 16899 } 16900 16901 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 16902 final int installFlags = args.installFlags; 16903 final String installerPackageName = args.installerPackageName; 16904 final String volumeUuid = args.volumeUuid; 16905 final File tmpPackageFile = new File(args.getCodePath()); 16906 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 16907 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 16908 || (args.volumeUuid != null)); 16909 final boolean instantApp = ((installFlags & PackageManager.INSTALL_INSTANT_APP) != 0); 16910 final boolean fullApp = ((installFlags & PackageManager.INSTALL_FULL_APP) != 0); 16911 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 16912 final boolean virtualPreload = 16913 ((installFlags & PackageManager.INSTALL_VIRTUAL_PRELOAD) != 0); 16914 boolean replace = false; 16915 @ScanFlags int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 16916 if (args.move != null) { 16917 // moving a complete application; perform an initial scan on the new install location 16918 scanFlags |= SCAN_INITIAL; 16919 } 16920 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 16921 scanFlags |= SCAN_DONT_KILL_APP; 16922 } 16923 if (instantApp) { 16924 scanFlags |= SCAN_AS_INSTANT_APP; 16925 } 16926 if (fullApp) { 16927 scanFlags |= SCAN_AS_FULL_APP; 16928 } 16929 if (virtualPreload) { 16930 scanFlags |= SCAN_AS_VIRTUAL_PRELOAD; 16931 } 16932 16933 // Result object to be returned 16934 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16935 res.installerPackageName = installerPackageName; 16936 16937 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 16938 16939 // Sanity check 16940 if (instantApp && (forwardLocked || onExternal)) { 16941 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 16942 + " external=" + onExternal); 16943 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 16944 return; 16945 } 16946 16947 // Retrieve PackageSettings and parse package 16948 @ParseFlags final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 16949 | PackageParser.PARSE_ENFORCE_CODE 16950 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 16951 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 16952 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 16953 PackageParser pp = new PackageParser(); 16954 pp.setSeparateProcesses(mSeparateProcesses); 16955 pp.setDisplayMetrics(mMetrics); 16956 pp.setCallback(mPackageParserCallback); 16957 16958 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 16959 final PackageParser.Package pkg; 16960 try { 16961 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 16962 DexMetadataHelper.validatePackageDexMetadata(pkg); 16963 } catch (PackageParserException e) { 16964 res.setError("Failed parse during installPackageLI", e); 16965 return; 16966 } finally { 16967 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16968 } 16969 16970 // Instant apps have several additional install-time checks. 16971 if (instantApp) { 16972 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.O) { 16973 Slog.w(TAG, 16974 "Instant app package " + pkg.packageName + " does not target at least O"); 16975 res.setError(INSTALL_FAILED_INSTANT_APP_INVALID, 16976 "Instant app package must target at least O"); 16977 return; 16978 } 16979 if (pkg.applicationInfo.targetSandboxVersion != 2) { 16980 Slog.w(TAG, "Instant app package " + pkg.packageName 16981 + " does not target targetSandboxVersion 2"); 16982 res.setError(INSTALL_FAILED_INSTANT_APP_INVALID, 16983 "Instant app package must use targetSandboxVersion 2"); 16984 return; 16985 } 16986 if (pkg.mSharedUserId != null) { 16987 Slog.w(TAG, "Instant app package " + pkg.packageName 16988 + " may not declare sharedUserId."); 16989 res.setError(INSTALL_FAILED_INSTANT_APP_INVALID, 16990 "Instant app package may not declare a sharedUserId"); 16991 return; 16992 } 16993 } 16994 16995 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16996 // Static shared libraries have synthetic package names 16997 renameStaticSharedLibraryPackage(pkg); 16998 16999 // No static shared libs on external storage 17000 if (onExternal) { 17001 Slog.i(TAG, "Static shared libs can only be installed on internal storage."); 17002 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 17003 "Packages declaring static-shared libs cannot be updated"); 17004 return; 17005 } 17006 } 17007 17008 // If we are installing a clustered package add results for the children 17009 if (pkg.childPackages != null) { 17010 synchronized (mPackages) { 17011 final int childCount = pkg.childPackages.size(); 17012 for (int i = 0; i < childCount; i++) { 17013 PackageParser.Package childPkg = pkg.childPackages.get(i); 17014 PackageInstalledInfo childRes = new PackageInstalledInfo(); 17015 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 17016 childRes.pkg = childPkg; 17017 childRes.name = childPkg.packageName; 17018 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 17019 if (childPs != null) { 17020 childRes.origUsers = childPs.queryInstalledUsers( 17021 sUserManager.getUserIds(), true); 17022 } 17023 if ((mPackages.containsKey(childPkg.packageName))) { 17024 childRes.removedInfo = new PackageRemovedInfo(this); 17025 childRes.removedInfo.removedPackage = childPkg.packageName; 17026 childRes.removedInfo.installerPackageName = childPs.installerPackageName; 17027 } 17028 if (res.addedChildPackages == null) { 17029 res.addedChildPackages = new ArrayMap<>(); 17030 } 17031 res.addedChildPackages.put(childPkg.packageName, childRes); 17032 } 17033 } 17034 } 17035 17036 // If package doesn't declare API override, mark that we have an install 17037 // time CPU ABI override. 17038 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 17039 pkg.cpuAbiOverride = args.abiOverride; 17040 } 17041 17042 String pkgName = res.name = pkg.packageName; 17043 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 17044 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 17045 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 17046 return; 17047 } 17048 } 17049 17050 try { 17051 // either use what we've been given or parse directly from the APK 17052 if (args.signingDetails != PackageParser.SigningDetails.UNKNOWN) { 17053 pkg.setSigningDetails(args.signingDetails); 17054 } else { 17055 PackageParser.collectCertificates(pkg, false /* skipVerify */); 17056 } 17057 } catch (PackageParserException e) { 17058 res.setError("Failed collect during installPackageLI", e); 17059 return; 17060 } 17061 17062 if (instantApp && pkg.mSigningDetails.signatureSchemeVersion 17063 < SignatureSchemeVersion.SIGNING_BLOCK_V2) { 17064 Slog.w(TAG, "Instant app package " + pkg.packageName 17065 + " is not signed with at least APK Signature Scheme v2"); 17066 res.setError(INSTALL_FAILED_INSTANT_APP_INVALID, 17067 "Instant app package must be signed with APK Signature Scheme v2 or greater"); 17068 return; 17069 } 17070 17071 // Get rid of all references to package scan path via parser. 17072 pp = null; 17073 String oldCodePath = null; 17074 boolean systemApp = false; 17075 synchronized (mPackages) { 17076 // Check if installing already existing package 17077 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 17078 String oldName = mSettings.getRenamedPackageLPr(pkgName); 17079 if (pkg.mOriginalPackages != null 17080 && pkg.mOriginalPackages.contains(oldName) 17081 && mPackages.containsKey(oldName)) { 17082 // This package is derived from an original package, 17083 // and this device has been updating from that original 17084 // name. We must continue using the original name, so 17085 // rename the new package here. 17086 pkg.setPackageName(oldName); 17087 pkgName = pkg.packageName; 17088 replace = true; 17089 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 17090 + oldName + " pkgName=" + pkgName); 17091 } else if (mPackages.containsKey(pkgName)) { 17092 // This package, under its official name, already exists 17093 // on the device; we should replace it. 17094 replace = true; 17095 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 17096 } 17097 17098 // Child packages are installed through the parent package 17099 if (pkg.parentPackage != null) { 17100 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 17101 "Package " + pkg.packageName + " is child of package " 17102 + pkg.parentPackage.parentPackage + ". Child packages " 17103 + "can be updated only through the parent package."); 17104 return; 17105 } 17106 17107 if (replace) { 17108 // Prevent apps opting out from runtime permissions 17109 PackageParser.Package oldPackage = mPackages.get(pkgName); 17110 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 17111 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 17112 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 17113 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 17114 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 17115 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 17116 + " doesn't support runtime permissions but the old" 17117 + " target SDK " + oldTargetSdk + " does."); 17118 return; 17119 } 17120 // Prevent persistent apps from being updated 17121 if ((oldPackage.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0) { 17122 res.setError(PackageManager.INSTALL_FAILED_INVALID_APK, 17123 "Package " + oldPackage.packageName + " is a persistent app. " 17124 + "Persistent apps are not updateable."); 17125 return; 17126 } 17127 // Prevent apps from downgrading their targetSandbox. 17128 final int oldTargetSandbox = oldPackage.applicationInfo.targetSandboxVersion; 17129 final int newTargetSandbox = pkg.applicationInfo.targetSandboxVersion; 17130 if (oldTargetSandbox == 2 && newTargetSandbox != 2) { 17131 res.setError(PackageManager.INSTALL_FAILED_SANDBOX_VERSION_DOWNGRADE, 17132 "Package " + pkg.packageName + " new target sandbox " 17133 + newTargetSandbox + " is incompatible with the previous value of" 17134 + oldTargetSandbox + "."); 17135 return; 17136 } 17137 17138 // Prevent installing of child packages 17139 if (oldPackage.parentPackage != null) { 17140 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 17141 "Package " + pkg.packageName + " is child of package " 17142 + oldPackage.parentPackage + ". Child packages " 17143 + "can be updated only through the parent package."); 17144 return; 17145 } 17146 } 17147 } 17148 17149 PackageSetting ps = mSettings.mPackages.get(pkgName); 17150 if (ps != null) { 17151 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 17152 17153 // Static shared libs have same package with different versions where 17154 // we internally use a synthetic package name to allow multiple versions 17155 // of the same package, therefore we need to compare signatures against 17156 // the package setting for the latest library version. 17157 PackageSetting signatureCheckPs = ps; 17158 if (pkg.applicationInfo.isStaticSharedLibrary()) { 17159 SharedLibraryEntry libraryEntry = getLatestSharedLibraVersionLPr(pkg); 17160 if (libraryEntry != null) { 17161 signatureCheckPs = mSettings.getPackageLPr(libraryEntry.apk); 17162 } 17163 } 17164 17165 // Quick sanity check that we're signed correctly if updating; 17166 // we'll check this again later when scanning, but we want to 17167 // bail early here before tripping over redefined permissions. 17168 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 17169 if (ksms.shouldCheckUpgradeKeySetLocked(signatureCheckPs, scanFlags)) { 17170 if (!ksms.checkUpgradeKeySetLocked(signatureCheckPs, pkg)) { 17171 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 17172 + pkg.packageName + " upgrade keys do not match the " 17173 + "previously installed version"); 17174 return; 17175 } 17176 } else { 17177 try { 17178 final boolean compareCompat = isCompatSignatureUpdateNeeded(pkg); 17179 final boolean compareRecover = isRecoverSignatureUpdateNeeded(pkg); 17180 // We don't care about disabledPkgSetting on install for now. 17181 final boolean compatMatch = verifySignatures( 17182 signatureCheckPs, null, pkg.mSigningDetails, compareCompat, 17183 compareRecover); 17184 // The new KeySets will be re-added later in the scanning process. 17185 if (compatMatch) { 17186 synchronized (mPackages) { 17187 ksms.removeAppKeySetDataLPw(pkg.packageName); 17188 } 17189 } 17190 } catch (PackageManagerException e) { 17191 res.setError(e.error, e.getMessage()); 17192 return; 17193 } 17194 } 17195 17196 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 17197 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 17198 systemApp = (ps.pkg.applicationInfo.flags & 17199 ApplicationInfo.FLAG_SYSTEM) != 0; 17200 } 17201 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 17202 } 17203 17204 int N = pkg.permissions.size(); 17205 for (int i = N-1; i >= 0; i--) { 17206 final PackageParser.Permission perm = pkg.permissions.get(i); 17207 final BasePermission bp = 17208 (BasePermission) mPermissionManager.getPermissionTEMP(perm.info.name); 17209 17210 // Don't allow anyone but the system to define ephemeral permissions. 17211 if ((perm.info.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTANT) != 0 17212 && !systemApp) { 17213 Slog.w(TAG, "Non-System package " + pkg.packageName 17214 + " attempting to delcare ephemeral permission " 17215 + perm.info.name + "; Removing ephemeral."); 17216 perm.info.protectionLevel &= ~PermissionInfo.PROTECTION_FLAG_INSTANT; 17217 } 17218 17219 // Check whether the newly-scanned package wants to define an already-defined perm 17220 if (bp != null) { 17221 // If the defining package is signed with our cert, it's okay. This 17222 // also includes the "updating the same package" case, of course. 17223 // "updating same package" could also involve key-rotation. 17224 final boolean sigsOk; 17225 final String sourcePackageName = bp.getSourcePackageName(); 17226 final PackageSettingBase sourcePackageSetting = bp.getSourcePackageSetting(); 17227 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 17228 if (sourcePackageName.equals(pkg.packageName) 17229 && (ksms.shouldCheckUpgradeKeySetLocked( 17230 sourcePackageSetting, scanFlags))) { 17231 sigsOk = ksms.checkUpgradeKeySetLocked(sourcePackageSetting, pkg); 17232 } else { 17233 17234 // in the event of signing certificate rotation, we need to see if the 17235 // package's certificate has rotated from the current one, or if it is an 17236 // older certificate with which the current is ok with sharing permissions 17237 if (sourcePackageSetting.signatures.mSigningDetails.checkCapability( 17238 pkg.mSigningDetails, 17239 PackageParser.SigningDetails.CertCapabilities.PERMISSION)) { 17240 sigsOk = true; 17241 } else if (pkg.mSigningDetails.checkCapability( 17242 sourcePackageSetting.signatures.mSigningDetails, 17243 PackageParser.SigningDetails.CertCapabilities.PERMISSION)) { 17244 17245 // the scanned package checks out, has signing certificate rotation 17246 // history, and is newer; bring it over 17247 sourcePackageSetting.signatures.mSigningDetails = pkg.mSigningDetails; 17248 sigsOk = true; 17249 } else { 17250 sigsOk = false; 17251 } 17252 } 17253 if (!sigsOk) { 17254 // If the owning package is the system itself, we log but allow 17255 // install to proceed; we fail the install on all other permission 17256 // redefinitions. 17257 if (!sourcePackageName.equals("android")) { 17258 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 17259 + pkg.packageName + " attempting to redeclare permission " 17260 + perm.info.name + " already owned by " + sourcePackageName); 17261 res.origPermission = perm.info.name; 17262 res.origPackage = sourcePackageName; 17263 return; 17264 } else { 17265 Slog.w(TAG, "Package " + pkg.packageName 17266 + " attempting to redeclare system permission " 17267 + perm.info.name + "; ignoring new declaration"); 17268 pkg.permissions.remove(i); 17269 } 17270 } else if (!PLATFORM_PACKAGE_NAME.equals(pkg.packageName)) { 17271 // Prevent apps to change protection level to dangerous from any other 17272 // type as this would allow a privilege escalation where an app adds a 17273 // normal/signature permission in other app's group and later redefines 17274 // it as dangerous leading to the group auto-grant. 17275 if ((perm.info.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE) 17276 == PermissionInfo.PROTECTION_DANGEROUS) { 17277 if (bp != null && !bp.isRuntime()) { 17278 Slog.w(TAG, "Package " + pkg.packageName + " trying to change a " 17279 + "non-runtime permission " + perm.info.name 17280 + " to runtime; keeping old protection level"); 17281 perm.info.protectionLevel = bp.getProtectionLevel(); 17282 } 17283 } 17284 } 17285 } 17286 } 17287 } 17288 17289 if (systemApp) { 17290 if (onExternal) { 17291 // Abort update; system app can't be replaced with app on sdcard 17292 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 17293 "Cannot install updates to system apps on sdcard"); 17294 return; 17295 } else if (instantApp) { 17296 // Abort update; system app can't be replaced with an instant app 17297 res.setError(INSTALL_FAILED_INSTANT_APP_INVALID, 17298 "Cannot update a system app with an instant app"); 17299 return; 17300 } 17301 } 17302 17303 if (args.move != null) { 17304 // We did an in-place move, so dex is ready to roll 17305 scanFlags |= SCAN_NO_DEX; 17306 scanFlags |= SCAN_MOVE; 17307 17308 synchronized (mPackages) { 17309 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17310 if (ps == null) { 17311 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 17312 "Missing settings for moved package " + pkgName); 17313 } 17314 17315 // We moved the entire application as-is, so bring over the 17316 // previously derived ABI information. 17317 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 17318 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 17319 } 17320 17321 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 17322 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 17323 scanFlags |= SCAN_NO_DEX; 17324 17325 try { 17326 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 17327 args.abiOverride : pkg.cpuAbiOverride); 17328 final boolean extractNativeLibs = !pkg.isLibrary(); 17329 derivePackageAbi(pkg, abiOverride, extractNativeLibs); 17330 } catch (PackageManagerException pme) { 17331 Slog.e(TAG, "Error deriving application ABI", pme); 17332 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 17333 return; 17334 } 17335 17336 // Shared libraries for the package need to be updated. 17337 synchronized (mPackages) { 17338 try { 17339 updateSharedLibrariesLPr(pkg, null); 17340 } catch (PackageManagerException e) { 17341 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 17342 } 17343 } 17344 } 17345 17346 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 17347 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 17348 return; 17349 } 17350 17351 if (PackageManagerServiceUtils.isApkVerityEnabled()) { 17352 String apkPath = null; 17353 synchronized (mPackages) { 17354 // Note that if the attacker managed to skip verify setup, for example by tampering 17355 // with the package settings, upon reboot we will do full apk verification when 17356 // verity is not detected. 17357 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17358 if (ps != null && ps.isPrivileged()) { 17359 apkPath = pkg.baseCodePath; 17360 } 17361 } 17362 17363 if (apkPath != null) { 17364 final VerityUtils.SetupResult result = 17365 VerityUtils.generateApkVeritySetupData(apkPath); 17366 if (result.isOk()) { 17367 if (Build.IS_DEBUGGABLE) Slog.i(TAG, "Enabling apk verity to " + apkPath); 17368 FileDescriptor fd = result.getUnownedFileDescriptor(); 17369 try { 17370 final byte[] signedRootHash = VerityUtils.generateFsverityRootHash(apkPath); 17371 mInstaller.installApkVerity(apkPath, fd, result.getContentSize()); 17372 mInstaller.assertFsverityRootHashMatches(apkPath, signedRootHash); 17373 } catch (InstallerException | IOException | DigestException | 17374 NoSuchAlgorithmException e) { 17375 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 17376 "Failed to set up verity: " + e); 17377 return; 17378 } finally { 17379 IoUtils.closeQuietly(fd); 17380 } 17381 } else if (result.isFailed()) { 17382 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Failed to generate verity"); 17383 return; 17384 } else { 17385 // Do nothing if verity is skipped. Will fall back to full apk verification on 17386 // reboot. 17387 } 17388 } 17389 } 17390 17391 if (!instantApp) { 17392 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 17393 } else { 17394 if (DEBUG_DOMAIN_VERIFICATION) { 17395 Slog.d(TAG, "Not verifying instant app install for app links: " + pkgName); 17396 } 17397 } 17398 17399 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 17400 "installPackageLI")) { 17401 if (replace) { 17402 if (pkg.applicationInfo.isStaticSharedLibrary()) { 17403 // Static libs have a synthetic package name containing the version 17404 // and cannot be updated as an update would get a new package name, 17405 // unless this is the exact same version code which is useful for 17406 // development. 17407 PackageParser.Package existingPkg = mPackages.get(pkg.packageName); 17408 if (existingPkg != null && 17409 existingPkg.getLongVersionCode() != pkg.getLongVersionCode()) { 17410 res.setError(INSTALL_FAILED_DUPLICATE_PACKAGE, "Packages declaring " 17411 + "static-shared libs cannot be updated"); 17412 return; 17413 } 17414 } 17415 replacePackageLIF(pkg, parseFlags, scanFlags, args.user, 17416 installerPackageName, res, args.installReason); 17417 } else { 17418 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 17419 args.user, installerPackageName, volumeUuid, res, args.installReason); 17420 } 17421 } 17422 17423 // Prepare the application profiles for the new code paths. 17424 // This needs to be done before invoking dexopt so that any install-time profile 17425 // can be used for optimizations. 17426 mArtManagerService.prepareAppProfiles(pkg, resolveUserIds(args.user.getIdentifier())); 17427 17428 // Check whether we need to dexopt the app. 17429 // 17430 // NOTE: it is IMPORTANT to call dexopt: 17431 // - after doRename which will sync the package data from PackageParser.Package and its 17432 // corresponding ApplicationInfo. 17433 // - after installNewPackageLIF or replacePackageLIF which will update result with the 17434 // uid of the application (pkg.applicationInfo.uid). 17435 // This update happens in place! 17436 // 17437 // We only need to dexopt if the package meets ALL of the following conditions: 17438 // 1) it is not forward locked. 17439 // 2) it is not on on an external ASEC container. 17440 // 3) it is not an instant app or if it is then dexopt is enabled via gservices. 17441 // 4) it is not debuggable. 17442 // 17443 // Note that we do not dexopt instant apps by default. dexopt can take some time to 17444 // complete, so we skip this step during installation. Instead, we'll take extra time 17445 // the first time the instant app starts. It's preferred to do it this way to provide 17446 // continuous progress to the useur instead of mysteriously blocking somewhere in the 17447 // middle of running an instant app. The default behaviour can be overridden 17448 // via gservices. 17449 final boolean performDexopt = (res.returnCode == PackageManager.INSTALL_SUCCEEDED) 17450 && !forwardLocked 17451 && !pkg.applicationInfo.isExternalAsec() 17452 && (!instantApp || Global.getInt(mContext.getContentResolver(), 17453 Global.INSTANT_APP_DEXOPT_ENABLED, 0) != 0) 17454 && ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_DEBUGGABLE) == 0); 17455 17456 if (performDexopt) { 17457 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 17458 // Do not run PackageDexOptimizer through the local performDexOpt 17459 // method because `pkg` may not be in `mPackages` yet. 17460 // 17461 // Also, don't fail application installs if the dexopt step fails. 17462 DexoptOptions dexoptOptions = new DexoptOptions(pkg.packageName, 17463 REASON_INSTALL, 17464 DexoptOptions.DEXOPT_BOOT_COMPLETE | 17465 DexoptOptions.DEXOPT_INSTALL_WITH_DEX_METADATA_FILE); 17466 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 17467 null /* instructionSets */, 17468 getOrCreateCompilerPackageStats(pkg), 17469 mDexManager.getPackageUseInfoOrDefault(pkg.packageName), 17470 dexoptOptions); 17471 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 17472 } 17473 17474 // Notify BackgroundDexOptService that the package has been changed. 17475 // If this is an update of a package which used to fail to compile, 17476 // BackgroundDexOptService will remove it from its blacklist. 17477 // TODO: Layering violation 17478 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 17479 17480 synchronized (mPackages) { 17481 final PackageSetting ps = mSettings.mPackages.get(pkgName); 17482 if (ps != null) { 17483 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 17484 ps.setUpdateAvailable(false /*updateAvailable*/); 17485 } 17486 17487 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 17488 for (int i = 0; i < childCount; i++) { 17489 PackageParser.Package childPkg = pkg.childPackages.get(i); 17490 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 17491 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 17492 if (childPs != null) { 17493 childRes.newUsers = childPs.queryInstalledUsers( 17494 sUserManager.getUserIds(), true); 17495 } 17496 } 17497 17498 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 17499 updateSequenceNumberLP(ps, res.newUsers); 17500 updateInstantAppInstallerLocked(pkgName); 17501 } 17502 } 17503 } 17504 17505 private void startIntentFilterVerifications(int userId, boolean replacing, 17506 PackageParser.Package pkg) { 17507 if (mIntentFilterVerifierComponent == null) { 17508 Slog.w(TAG, "No IntentFilter verification will not be done as " 17509 + "there is no IntentFilterVerifier available!"); 17510 return; 17511 } 17512 17513 final int verifierUid = getPackageUid( 17514 mIntentFilterVerifierComponent.getPackageName(), 17515 MATCH_DEBUG_TRIAGED_MISSING, 17516 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 17517 17518 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 17519 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 17520 mHandler.sendMessage(msg); 17521 17522 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 17523 for (int i = 0; i < childCount; i++) { 17524 PackageParser.Package childPkg = pkg.childPackages.get(i); 17525 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 17526 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 17527 mHandler.sendMessage(msg); 17528 } 17529 } 17530 17531 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 17532 PackageParser.Package pkg) { 17533 int size = pkg.activities.size(); 17534 if (size == 0) { 17535 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 17536 "No activity, so no need to verify any IntentFilter!"); 17537 return; 17538 } 17539 17540 final boolean hasDomainURLs = hasDomainURLs(pkg); 17541 if (!hasDomainURLs) { 17542 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 17543 "No domain URLs, so no need to verify any IntentFilter!"); 17544 return; 17545 } 17546 17547 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 17548 + " if any IntentFilter from the " + size 17549 + " Activities needs verification ..."); 17550 17551 int count = 0; 17552 final String packageName = pkg.packageName; 17553 17554 synchronized (mPackages) { 17555 // If this is a new install and we see that we've already run verification for this 17556 // package, we have nothing to do: it means the state was restored from backup. 17557 if (!replacing) { 17558 IntentFilterVerificationInfo ivi = 17559 mSettings.getIntentFilterVerificationLPr(packageName); 17560 if (ivi != null) { 17561 if (DEBUG_DOMAIN_VERIFICATION) { 17562 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 17563 + ivi.getStatusString()); 17564 } 17565 return; 17566 } 17567 } 17568 17569 // If any filters need to be verified, then all need to be. 17570 boolean needToVerify = false; 17571 for (PackageParser.Activity a : pkg.activities) { 17572 for (ActivityIntentInfo filter : a.intents) { 17573 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 17574 if (DEBUG_DOMAIN_VERIFICATION) { 17575 Slog.d(TAG, 17576 "Intent filter needs verification, so processing all filters"); 17577 } 17578 needToVerify = true; 17579 break; 17580 } 17581 } 17582 } 17583 17584 if (needToVerify) { 17585 final int verificationId = mIntentFilterVerificationToken++; 17586 for (PackageParser.Activity a : pkg.activities) { 17587 for (ActivityIntentInfo filter : a.intents) { 17588 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 17589 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 17590 "Verification needed for IntentFilter:" + filter.toString()); 17591 mIntentFilterVerifier.addOneIntentFilterVerification( 17592 verifierUid, userId, verificationId, filter, packageName); 17593 count++; 17594 } 17595 } 17596 } 17597 } 17598 } 17599 17600 if (count > 0) { 17601 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 17602 + " IntentFilter verification" + (count > 1 ? "s" : "") 17603 + " for userId:" + userId); 17604 mIntentFilterVerifier.startVerifications(userId); 17605 } else { 17606 if (DEBUG_DOMAIN_VERIFICATION) { 17607 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 17608 } 17609 } 17610 } 17611 17612 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 17613 final ComponentName cn = filter.activity.getComponentName(); 17614 final String packageName = cn.getPackageName(); 17615 17616 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 17617 packageName); 17618 if (ivi == null) { 17619 return true; 17620 } 17621 int status = ivi.getStatus(); 17622 switch (status) { 17623 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 17624 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 17625 return true; 17626 17627 default: 17628 // Nothing to do 17629 return false; 17630 } 17631 } 17632 17633 private static boolean isMultiArch(ApplicationInfo info) { 17634 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 17635 } 17636 17637 private static boolean isExternal(PackageParser.Package pkg) { 17638 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 17639 } 17640 17641 private static boolean isExternal(PackageSetting ps) { 17642 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 17643 } 17644 17645 private static boolean isSystemApp(PackageParser.Package pkg) { 17646 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 17647 } 17648 17649 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 17650 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 17651 } 17652 17653 private static boolean isOemApp(PackageParser.Package pkg) { 17654 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_OEM) != 0; 17655 } 17656 17657 private static boolean isVendorApp(PackageParser.Package pkg) { 17658 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_VENDOR) != 0; 17659 } 17660 17661 private static boolean isProductApp(PackageParser.Package pkg) { 17662 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRODUCT) != 0; 17663 } 17664 17665 private static boolean hasDomainURLs(PackageParser.Package pkg) { 17666 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 17667 } 17668 17669 private static boolean isSystemApp(PackageSetting ps) { 17670 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 17671 } 17672 17673 private static boolean isUpdatedSystemApp(PackageSetting ps) { 17674 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 17675 } 17676 17677 private int packageFlagsToInstallFlags(PackageSetting ps) { 17678 int installFlags = 0; 17679 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 17680 // This existing package was an external ASEC install when we have 17681 // the external flag without a UUID 17682 installFlags |= PackageManager.INSTALL_EXTERNAL; 17683 } 17684 if (ps.isForwardLocked()) { 17685 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 17686 } 17687 return installFlags; 17688 } 17689 17690 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 17691 if (isExternal(pkg)) { 17692 if (TextUtils.isEmpty(pkg.volumeUuid)) { 17693 return mSettings.getExternalVersion(); 17694 } else { 17695 return mSettings.findOrCreateVersion(pkg.volumeUuid); 17696 } 17697 } else { 17698 return mSettings.getInternalVersion(); 17699 } 17700 } 17701 17702 private void deleteTempPackageFiles() { 17703 final FilenameFilter filter = new FilenameFilter() { 17704 public boolean accept(File dir, String name) { 17705 return name.startsWith("vmdl") && name.endsWith(".tmp"); 17706 } 17707 }; 17708 for (File file : sDrmAppPrivateInstallDir.listFiles(filter)) { 17709 file.delete(); 17710 } 17711 } 17712 17713 @Override 17714 public void deletePackageAsUser(String packageName, int versionCode, 17715 IPackageDeleteObserver observer, int userId, int flags) { 17716 deletePackageVersioned(new VersionedPackage(packageName, versionCode), 17717 new LegacyPackageDeleteObserver(observer).getBinder(), userId, flags); 17718 } 17719 17720 @Override 17721 public void deletePackageVersioned(VersionedPackage versionedPackage, 17722 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 17723 final int callingUid = Binder.getCallingUid(); 17724 mContext.enforceCallingOrSelfPermission( 17725 android.Manifest.permission.DELETE_PACKAGES, null); 17726 final boolean canViewInstantApps = canViewInstantApps(callingUid, userId); 17727 Preconditions.checkNotNull(versionedPackage); 17728 Preconditions.checkNotNull(observer); 17729 Preconditions.checkArgumentInRange(versionedPackage.getLongVersionCode(), 17730 PackageManager.VERSION_CODE_HIGHEST, 17731 Long.MAX_VALUE, "versionCode must be >= -1"); 17732 17733 final String packageName = versionedPackage.getPackageName(); 17734 final long versionCode = versionedPackage.getLongVersionCode(); 17735 final String internalPackageName; 17736 synchronized (mPackages) { 17737 // Normalize package name to handle renamed packages and static libs 17738 internalPackageName = resolveInternalPackageNameLPr(packageName, versionCode); 17739 } 17740 17741 final int uid = Binder.getCallingUid(); 17742 if (!isOrphaned(internalPackageName) 17743 && !isCallerAllowedToSilentlyUninstall(uid, internalPackageName)) { 17744 try { 17745 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 17746 intent.setData(Uri.fromParts(PACKAGE_SCHEME, packageName, null)); 17747 intent.putExtra(PackageInstaller.EXTRA_CALLBACK, observer.asBinder()); 17748 observer.onUserActionRequired(intent); 17749 } catch (RemoteException re) { 17750 } 17751 return; 17752 } 17753 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 17754 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 17755 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 17756 mContext.enforceCallingOrSelfPermission( 17757 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 17758 "deletePackage for user " + userId); 17759 } 17760 17761 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 17762 try { 17763 observer.onPackageDeleted(packageName, 17764 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 17765 } catch (RemoteException re) { 17766 } 17767 return; 17768 } 17769 17770 if (!deleteAllUsers && getBlockUninstallForUser(internalPackageName, userId)) { 17771 try { 17772 observer.onPackageDeleted(packageName, 17773 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 17774 } catch (RemoteException re) { 17775 } 17776 return; 17777 } 17778 17779 if (DEBUG_REMOVE) { 17780 Slog.d(TAG, "deletePackageAsUser: pkg=" + internalPackageName + " user=" + userId 17781 + " deleteAllUsers: " + deleteAllUsers + " version=" 17782 + (versionCode == PackageManager.VERSION_CODE_HIGHEST 17783 ? "VERSION_CODE_HIGHEST" : versionCode)); 17784 } 17785 // Queue up an async operation since the package deletion may take a little while. 17786 mHandler.post(new Runnable() { 17787 public void run() { 17788 mHandler.removeCallbacks(this); 17789 int returnCode; 17790 final PackageSetting ps = mSettings.mPackages.get(internalPackageName); 17791 boolean doDeletePackage = true; 17792 if (ps != null) { 17793 final boolean targetIsInstantApp = 17794 ps.getInstantApp(UserHandle.getUserId(callingUid)); 17795 doDeletePackage = !targetIsInstantApp 17796 || canViewInstantApps; 17797 } 17798 if (doDeletePackage) { 17799 if (!deleteAllUsers) { 17800 returnCode = deletePackageX(internalPackageName, versionCode, 17801 userId, deleteFlags); 17802 } else { 17803 int[] blockUninstallUserIds = getBlockUninstallForUsers( 17804 internalPackageName, users); 17805 // If nobody is blocking uninstall, proceed with delete for all users 17806 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 17807 returnCode = deletePackageX(internalPackageName, versionCode, 17808 userId, deleteFlags); 17809 } else { 17810 // Otherwise uninstall individually for users with blockUninstalls=false 17811 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 17812 for (int userId : users) { 17813 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 17814 returnCode = deletePackageX(internalPackageName, versionCode, 17815 userId, userFlags); 17816 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 17817 Slog.w(TAG, "Package delete failed for user " + userId 17818 + ", returnCode " + returnCode); 17819 } 17820 } 17821 } 17822 // The app has only been marked uninstalled for certain users. 17823 // We still need to report that delete was blocked 17824 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 17825 } 17826 } 17827 } else { 17828 returnCode = PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17829 } 17830 try { 17831 observer.onPackageDeleted(packageName, returnCode, null); 17832 } catch (RemoteException e) { 17833 Log.i(TAG, "Observer no longer exists."); 17834 } //end catch 17835 } //end run 17836 }); 17837 } 17838 17839 private String resolveExternalPackageNameLPr(PackageParser.Package pkg) { 17840 if (pkg.staticSharedLibName != null) { 17841 return pkg.manifestPackageName; 17842 } 17843 return pkg.packageName; 17844 } 17845 17846 private String resolveInternalPackageNameLPr(String packageName, long versionCode) { 17847 // Handle renamed packages 17848 String normalizedPackageName = mSettings.getRenamedPackageLPr(packageName); 17849 packageName = normalizedPackageName != null ? normalizedPackageName : packageName; 17850 17851 // Is this a static library? 17852 LongSparseArray<SharedLibraryEntry> versionedLib = 17853 mStaticLibsByDeclaringPackage.get(packageName); 17854 if (versionedLib == null || versionedLib.size() <= 0) { 17855 return packageName; 17856 } 17857 17858 // Figure out which lib versions the caller can see 17859 LongSparseLongArray versionsCallerCanSee = null; 17860 final int callingAppId = UserHandle.getAppId(Binder.getCallingUid()); 17861 if (callingAppId != Process.SYSTEM_UID && callingAppId != Process.SHELL_UID 17862 && callingAppId != Process.ROOT_UID) { 17863 versionsCallerCanSee = new LongSparseLongArray(); 17864 String libName = versionedLib.valueAt(0).info.getName(); 17865 String[] uidPackages = getPackagesForUid(Binder.getCallingUid()); 17866 if (uidPackages != null) { 17867 for (String uidPackage : uidPackages) { 17868 PackageSetting ps = mSettings.getPackageLPr(uidPackage); 17869 final int libIdx = ArrayUtils.indexOf(ps.usesStaticLibraries, libName); 17870 if (libIdx >= 0) { 17871 final long libVersion = ps.usesStaticLibrariesVersions[libIdx]; 17872 versionsCallerCanSee.append(libVersion, libVersion); 17873 } 17874 } 17875 } 17876 } 17877 17878 // Caller can see nothing - done 17879 if (versionsCallerCanSee != null && versionsCallerCanSee.size() <= 0) { 17880 return packageName; 17881 } 17882 17883 // Find the version the caller can see and the app version code 17884 SharedLibraryEntry highestVersion = null; 17885 final int versionCount = versionedLib.size(); 17886 for (int i = 0; i < versionCount; i++) { 17887 SharedLibraryEntry libEntry = versionedLib.valueAt(i); 17888 if (versionsCallerCanSee != null && versionsCallerCanSee.indexOfKey( 17889 libEntry.info.getLongVersion()) < 0) { 17890 continue; 17891 } 17892 final long libVersionCode = libEntry.info.getDeclaringPackage().getLongVersionCode(); 17893 if (versionCode != PackageManager.VERSION_CODE_HIGHEST) { 17894 if (libVersionCode == versionCode) { 17895 return libEntry.apk; 17896 } 17897 } else if (highestVersion == null) { 17898 highestVersion = libEntry; 17899 } else if (libVersionCode > highestVersion.info 17900 .getDeclaringPackage().getLongVersionCode()) { 17901 highestVersion = libEntry; 17902 } 17903 } 17904 17905 if (highestVersion != null) { 17906 return highestVersion.apk; 17907 } 17908 17909 return packageName; 17910 } 17911 17912 boolean isCallerVerifier(int callingUid) { 17913 final int callingUserId = UserHandle.getUserId(callingUid); 17914 return mRequiredVerifierPackage != null && 17915 callingUid == getPackageUid(mRequiredVerifierPackage, 0, callingUserId); 17916 } 17917 17918 private boolean isCallerAllowedToSilentlyUninstall(int callingUid, String pkgName) { 17919 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID 17920 || UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 17921 return true; 17922 } 17923 final int callingUserId = UserHandle.getUserId(callingUid); 17924 // If the caller installed the pkgName, then allow it to silently uninstall. 17925 if (callingUid == getPackageUid(getInstallerPackageName(pkgName), 0, callingUserId)) { 17926 return true; 17927 } 17928 17929 // Allow package verifier to silently uninstall. 17930 if (mRequiredVerifierPackage != null && 17931 callingUid == getPackageUid(mRequiredVerifierPackage, 0, callingUserId)) { 17932 return true; 17933 } 17934 17935 // Allow package uninstaller to silently uninstall. 17936 if (mRequiredUninstallerPackage != null && 17937 callingUid == getPackageUid(mRequiredUninstallerPackage, 0, callingUserId)) { 17938 return true; 17939 } 17940 17941 // Allow storage manager to silently uninstall. 17942 if (mStorageManagerPackage != null && 17943 callingUid == getPackageUid(mStorageManagerPackage, 0, callingUserId)) { 17944 return true; 17945 } 17946 17947 // Allow caller having MANAGE_PROFILE_AND_DEVICE_OWNERS permission to silently 17948 // uninstall for device owner provisioning. 17949 if (checkUidPermission(MANAGE_PROFILE_AND_DEVICE_OWNERS, callingUid) 17950 == PERMISSION_GRANTED) { 17951 return true; 17952 } 17953 17954 return false; 17955 } 17956 17957 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 17958 int[] result = EMPTY_INT_ARRAY; 17959 for (int userId : userIds) { 17960 if (getBlockUninstallForUser(packageName, userId)) { 17961 result = ArrayUtils.appendInt(result, userId); 17962 } 17963 } 17964 return result; 17965 } 17966 17967 @Override 17968 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 17969 final int callingUid = Binder.getCallingUid(); 17970 if (getInstantAppPackageName(callingUid) != null 17971 && !isCallerSameApp(packageName, callingUid)) { 17972 return false; 17973 } 17974 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 17975 } 17976 17977 private boolean isPackageDeviceAdmin(String packageName, int userId) { 17978 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 17979 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 17980 try { 17981 if (dpm != null) { 17982 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 17983 /* callingUserOnly =*/ false); 17984 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 17985 : deviceOwnerComponentName.getPackageName(); 17986 // Does the package contains the device owner? 17987 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 17988 // this check is probably not needed, since DO should be registered as a device 17989 // admin on some user too. (Original bug for this: b/17657954) 17990 if (packageName.equals(deviceOwnerPackageName)) { 17991 return true; 17992 } 17993 // Does it contain a device admin for any user? 17994 int[] users; 17995 if (userId == UserHandle.USER_ALL) { 17996 users = sUserManager.getUserIds(); 17997 } else { 17998 users = new int[]{userId}; 17999 } 18000 for (int i = 0; i < users.length; ++i) { 18001 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 18002 return true; 18003 } 18004 } 18005 } 18006 } catch (RemoteException e) { 18007 } 18008 return false; 18009 } 18010 18011 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 18012 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 18013 } 18014 18015 /** 18016 * This method is an internal method that could be get invoked either 18017 * to delete an installed package or to clean up a failed installation. 18018 * After deleting an installed package, a broadcast is sent to notify any 18019 * listeners that the package has been removed. For cleaning up a failed 18020 * installation, the broadcast is not necessary since the package's 18021 * installation wouldn't have sent the initial broadcast either 18022 * The key steps in deleting a package are 18023 * deleting the package information in internal structures like mPackages, 18024 * deleting the packages base directories through installd 18025 * updating mSettings to reflect current status 18026 * persisting settings for later use 18027 * sending a broadcast if necessary 18028 */ 18029 int deletePackageX(String packageName, long versionCode, int userId, int deleteFlags) { 18030 final PackageRemovedInfo info = new PackageRemovedInfo(this); 18031 final boolean res; 18032 18033 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 18034 ? UserHandle.USER_ALL : userId; 18035 18036 if (isPackageDeviceAdmin(packageName, removeUser)) { 18037 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 18038 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 18039 } 18040 18041 PackageSetting uninstalledPs = null; 18042 PackageParser.Package pkg = null; 18043 18044 // for the uninstall-updates case and restricted profiles, remember the per- 18045 // user handle installed state 18046 int[] allUsers; 18047 synchronized (mPackages) { 18048 uninstalledPs = mSettings.mPackages.get(packageName); 18049 if (uninstalledPs == null) { 18050 Slog.w(TAG, "Not removing non-existent package " + packageName); 18051 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 18052 } 18053 18054 if (versionCode != PackageManager.VERSION_CODE_HIGHEST 18055 && uninstalledPs.versionCode != versionCode) { 18056 Slog.w(TAG, "Not removing package " + packageName + " with versionCode " 18057 + uninstalledPs.versionCode + " != " + versionCode); 18058 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 18059 } 18060 18061 // Static shared libs can be declared by any package, so let us not 18062 // allow removing a package if it provides a lib others depend on. 18063 pkg = mPackages.get(packageName); 18064 18065 allUsers = sUserManager.getUserIds(); 18066 18067 if (pkg != null && pkg.staticSharedLibName != null) { 18068 SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(pkg.staticSharedLibName, 18069 pkg.staticSharedLibVersion); 18070 if (libEntry != null) { 18071 for (int currUserId : allUsers) { 18072 if (removeUser != UserHandle.USER_ALL && removeUser != currUserId) { 18073 continue; 18074 } 18075 List<VersionedPackage> libClientPackages = getPackagesUsingSharedLibraryLPr( 18076 libEntry.info, 0, currUserId); 18077 if (!ArrayUtils.isEmpty(libClientPackages)) { 18078 Slog.w(TAG, "Not removing package " + pkg.manifestPackageName 18079 + " hosting lib " + libEntry.info.getName() + " version " 18080 + libEntry.info.getLongVersion() + " used by " + libClientPackages 18081 + " for user " + currUserId); 18082 return PackageManager.DELETE_FAILED_USED_SHARED_LIBRARY; 18083 } 18084 } 18085 } 18086 } 18087 18088 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 18089 } 18090 18091 final int freezeUser; 18092 if (isUpdatedSystemApp(uninstalledPs) 18093 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 18094 // We're downgrading a system app, which will apply to all users, so 18095 // freeze them all during the downgrade 18096 freezeUser = UserHandle.USER_ALL; 18097 } else { 18098 freezeUser = removeUser; 18099 } 18100 18101 synchronized (mInstallLock) { 18102 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 18103 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 18104 deleteFlags, "deletePackageX")) { 18105 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 18106 deleteFlags | PackageManager.DELETE_CHATTY, info, true, null); 18107 } 18108 synchronized (mPackages) { 18109 if (res) { 18110 if (pkg != null) { 18111 mInstantAppRegistry.onPackageUninstalledLPw(pkg, info.removedUsers); 18112 } 18113 updateSequenceNumberLP(uninstalledPs, info.removedUsers); 18114 updateInstantAppInstallerLocked(packageName); 18115 } 18116 } 18117 } 18118 18119 if (res) { 18120 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 18121 info.sendPackageRemovedBroadcasts(killApp); 18122 info.sendSystemPackageUpdatedBroadcasts(); 18123 info.sendSystemPackageAppearedBroadcasts(); 18124 } 18125 // Force a gc here. 18126 Runtime.getRuntime().gc(); 18127 // Delete the resources here after sending the broadcast to let 18128 // other processes clean up before deleting resources. 18129 if (info.args != null) { 18130 synchronized (mInstallLock) { 18131 info.args.doPostDeleteLI(true); 18132 } 18133 } 18134 18135 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 18136 } 18137 18138 static class PackageRemovedInfo { 18139 final PackageSender packageSender; 18140 String removedPackage; 18141 String installerPackageName; 18142 int uid = -1; 18143 int removedAppId = -1; 18144 int[] origUsers; 18145 int[] removedUsers = null; 18146 int[] broadcastUsers = null; 18147 int[] instantUserIds = null; 18148 SparseArray<Integer> installReasons; 18149 boolean isRemovedPackageSystemUpdate = false; 18150 boolean isUpdate; 18151 boolean dataRemoved; 18152 boolean removedForAllUsers; 18153 boolean isStaticSharedLib; 18154 // Clean up resources deleted packages. 18155 InstallArgs args = null; 18156 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 18157 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 18158 18159 PackageRemovedInfo(PackageSender packageSender) { 18160 this.packageSender = packageSender; 18161 } 18162 18163 void sendPackageRemovedBroadcasts(boolean killApp) { 18164 sendPackageRemovedBroadcastInternal(killApp); 18165 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 18166 for (int i = 0; i < childCount; i++) { 18167 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 18168 childInfo.sendPackageRemovedBroadcastInternal(killApp); 18169 } 18170 } 18171 18172 void sendSystemPackageUpdatedBroadcasts() { 18173 if (isRemovedPackageSystemUpdate) { 18174 sendSystemPackageUpdatedBroadcastsInternal(); 18175 final int childCount = (removedChildPackages != null) 18176 ? removedChildPackages.size() : 0; 18177 for (int i = 0; i < childCount; i++) { 18178 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 18179 if (childInfo.isRemovedPackageSystemUpdate) { 18180 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 18181 } 18182 } 18183 } 18184 } 18185 18186 void sendSystemPackageAppearedBroadcasts() { 18187 final int packageCount = (appearedChildPackages != null) 18188 ? appearedChildPackages.size() : 0; 18189 for (int i = 0; i < packageCount; i++) { 18190 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 18191 packageSender.sendPackageAddedForNewUsers(installedInfo.name, 18192 true /*sendBootCompleted*/, false /*startReceiver*/, 18193 UserHandle.getAppId(installedInfo.uid), installedInfo.newUsers, null); 18194 } 18195 } 18196 18197 private void sendSystemPackageUpdatedBroadcastsInternal() { 18198 Bundle extras = new Bundle(2); 18199 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 18200 extras.putBoolean(Intent.EXTRA_REPLACING, true); 18201 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 18202 removedPackage, extras, 0, null /*targetPackage*/, null, null, null); 18203 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 18204 removedPackage, extras, 0, null /*targetPackage*/, null, null, null); 18205 packageSender.sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 18206 null, null, 0, removedPackage, null, null, null); 18207 if (installerPackageName != null) { 18208 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 18209 removedPackage, extras, 0 /*flags*/, 18210 installerPackageName, null, null, null); 18211 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 18212 removedPackage, extras, 0 /*flags*/, 18213 installerPackageName, null, null, null); 18214 } 18215 } 18216 18217 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 18218 // Don't send static shared library removal broadcasts as these 18219 // libs are visible only the the apps that depend on them an one 18220 // cannot remove the library if it has a dependency. 18221 if (isStaticSharedLib) { 18222 return; 18223 } 18224 Bundle extras = new Bundle(2); 18225 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 18226 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 18227 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 18228 if (isUpdate || isRemovedPackageSystemUpdate) { 18229 extras.putBoolean(Intent.EXTRA_REPLACING, true); 18230 } 18231 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 18232 if (removedPackage != null) { 18233 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, 18234 removedPackage, extras, 0, null /*targetPackage*/, null, 18235 broadcastUsers, instantUserIds); 18236 if (installerPackageName != null) { 18237 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, 18238 removedPackage, extras, 0 /*flags*/, 18239 installerPackageName, null, broadcastUsers, instantUserIds); 18240 } 18241 if (dataRemoved && !isRemovedPackageSystemUpdate) { 18242 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 18243 removedPackage, extras, 18244 Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND, 18245 null, null, broadcastUsers, instantUserIds); 18246 packageSender.notifyPackageRemoved(removedPackage); 18247 } 18248 } 18249 if (removedAppId >= 0) { 18250 packageSender.sendPackageBroadcast(Intent.ACTION_UID_REMOVED, 18251 null, extras, Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND, 18252 null, null, broadcastUsers, instantUserIds); 18253 } 18254 } 18255 18256 void populateUsers(int[] userIds, PackageSetting deletedPackageSetting) { 18257 removedUsers = userIds; 18258 if (removedUsers == null) { 18259 broadcastUsers = null; 18260 return; 18261 } 18262 18263 broadcastUsers = EMPTY_INT_ARRAY; 18264 instantUserIds = EMPTY_INT_ARRAY; 18265 for (int i = userIds.length - 1; i >= 0; --i) { 18266 final int userId = userIds[i]; 18267 if (deletedPackageSetting.getInstantApp(userId)) { 18268 instantUserIds = ArrayUtils.appendInt(instantUserIds, userId); 18269 } else { 18270 broadcastUsers = ArrayUtils.appendInt(broadcastUsers, userId); 18271 } 18272 } 18273 } 18274 } 18275 18276 /* 18277 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 18278 * flag is not set, the data directory is removed as well. 18279 * make sure this flag is set for partially installed apps. If not its meaningless to 18280 * delete a partially installed application. 18281 */ 18282 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 18283 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 18284 String packageName = ps.name; 18285 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 18286 // Retrieve object to delete permissions for shared user later on 18287 final PackageParser.Package deletedPkg; 18288 final PackageSetting deletedPs; 18289 // reader 18290 synchronized (mPackages) { 18291 deletedPkg = mPackages.get(packageName); 18292 deletedPs = mSettings.mPackages.get(packageName); 18293 if (outInfo != null) { 18294 outInfo.removedPackage = packageName; 18295 outInfo.installerPackageName = ps.installerPackageName; 18296 outInfo.isStaticSharedLib = deletedPkg != null 18297 && deletedPkg.staticSharedLibName != null; 18298 outInfo.populateUsers(deletedPs == null ? null 18299 : deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true), deletedPs); 18300 } 18301 } 18302 18303 removePackageLI(ps, (flags & PackageManager.DELETE_CHATTY) != 0); 18304 18305 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 18306 final PackageParser.Package resolvedPkg; 18307 if (deletedPkg != null) { 18308 resolvedPkg = deletedPkg; 18309 } else { 18310 // We don't have a parsed package when it lives on an ejected 18311 // adopted storage device, so fake something together 18312 resolvedPkg = new PackageParser.Package(ps.name); 18313 resolvedPkg.setVolumeUuid(ps.volumeUuid); 18314 } 18315 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 18316 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18317 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 18318 if (outInfo != null) { 18319 outInfo.dataRemoved = true; 18320 } 18321 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 18322 } 18323 18324 int removedAppId = -1; 18325 18326 // writer 18327 synchronized (mPackages) { 18328 boolean installedStateChanged = false; 18329 if (deletedPs != null) { 18330 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 18331 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 18332 clearDefaultBrowserIfNeeded(packageName); 18333 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 18334 removedAppId = mSettings.removePackageLPw(packageName); 18335 if (outInfo != null) { 18336 outInfo.removedAppId = removedAppId; 18337 } 18338 mPermissionManager.updatePermissions( 18339 deletedPs.name, null, false, mPackages.values(), mPermissionCallback); 18340 if (deletedPs.sharedUser != null) { 18341 // Remove permissions associated with package. Since runtime 18342 // permissions are per user we have to kill the removed package 18343 // or packages running under the shared user of the removed 18344 // package if revoking the permissions requested only by the removed 18345 // package is successful and this causes a change in gids. 18346 for (int userId : UserManagerService.getInstance().getUserIds()) { 18347 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 18348 userId); 18349 if (userIdToKill == UserHandle.USER_ALL 18350 || userIdToKill >= UserHandle.USER_SYSTEM) { 18351 // If gids changed for this user, kill all affected packages. 18352 mHandler.post(new Runnable() { 18353 @Override 18354 public void run() { 18355 // This has to happen with no lock held. 18356 killApplication(deletedPs.name, deletedPs.appId, 18357 KILL_APP_REASON_GIDS_CHANGED); 18358 } 18359 }); 18360 break; 18361 } 18362 } 18363 } 18364 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 18365 } 18366 // make sure to preserve per-user disabled state if this removal was just 18367 // a downgrade of a system app to the factory package 18368 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 18369 if (DEBUG_REMOVE) { 18370 Slog.d(TAG, "Propagating install state across downgrade"); 18371 } 18372 for (int userId : allUserHandles) { 18373 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 18374 if (DEBUG_REMOVE) { 18375 Slog.d(TAG, " user " + userId + " => " + installed); 18376 } 18377 if (installed != ps.getInstalled(userId)) { 18378 installedStateChanged = true; 18379 } 18380 ps.setInstalled(installed, userId); 18381 } 18382 } 18383 } 18384 // can downgrade to reader 18385 if (writeSettings) { 18386 // Save settings now 18387 mSettings.writeLPr(); 18388 } 18389 if (installedStateChanged) { 18390 mSettings.writeKernelMappingLPr(ps); 18391 } 18392 } 18393 if (removedAppId != -1) { 18394 // A user ID was deleted here. Go through all users and remove it 18395 // from KeyStore. 18396 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, removedAppId); 18397 } 18398 } 18399 18400 static boolean locationIsPrivileged(String path) { 18401 try { 18402 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 18403 final File privilegedVendorAppDir = new File(Environment.getVendorDirectory(), "priv-app"); 18404 final File privilegedOdmAppDir = new File(Environment.getOdmDirectory(), "priv-app"); 18405 final File privilegedProductAppDir = new File(Environment.getProductDirectory(), "priv-app"); 18406 return path.startsWith(privilegedAppDir.getCanonicalPath()) 18407 || path.startsWith(privilegedVendorAppDir.getCanonicalPath()) 18408 || path.startsWith(privilegedOdmAppDir.getCanonicalPath()) 18409 || path.startsWith(privilegedProductAppDir.getCanonicalPath()); 18410 } catch (IOException e) { 18411 Slog.e(TAG, "Unable to access code path " + path); 18412 } 18413 return false; 18414 } 18415 18416 static boolean locationIsOem(String path) { 18417 try { 18418 return path.startsWith(Environment.getOemDirectory().getCanonicalPath()); 18419 } catch (IOException e) { 18420 Slog.e(TAG, "Unable to access code path " + path); 18421 } 18422 return false; 18423 } 18424 18425 static boolean locationIsVendor(String path) { 18426 try { 18427 return path.startsWith(Environment.getVendorDirectory().getCanonicalPath()) 18428 || path.startsWith(Environment.getOdmDirectory().getCanonicalPath()); 18429 } catch (IOException e) { 18430 Slog.e(TAG, "Unable to access code path " + path); 18431 } 18432 return false; 18433 } 18434 18435 static boolean locationIsProduct(String path) { 18436 try { 18437 return path.startsWith(Environment.getProductDirectory().getCanonicalPath()); 18438 } catch (IOException e) { 18439 Slog.e(TAG, "Unable to access code path " + path); 18440 } 18441 return false; 18442 } 18443 18444 /* 18445 * Tries to delete system package. 18446 */ 18447 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 18448 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 18449 boolean writeSettings) { 18450 if (deletedPs.parentPackageName != null) { 18451 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 18452 return false; 18453 } 18454 18455 final boolean applyUserRestrictions 18456 = (allUserHandles != null) && (outInfo.origUsers != null); 18457 final PackageSetting disabledPs; 18458 // Confirm if the system package has been updated 18459 // An updated system app can be deleted. This will also have to restore 18460 // the system pkg from system partition 18461 // reader 18462 synchronized (mPackages) { 18463 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 18464 } 18465 18466 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 18467 + " disabledPs=" + disabledPs); 18468 18469 if (disabledPs == null) { 18470 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 18471 return false; 18472 } else if (DEBUG_REMOVE) { 18473 Slog.d(TAG, "Deleting system pkg from data partition"); 18474 } 18475 18476 if (DEBUG_REMOVE) { 18477 if (applyUserRestrictions) { 18478 Slog.d(TAG, "Remembering install states:"); 18479 for (int userId : allUserHandles) { 18480 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 18481 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 18482 } 18483 } 18484 } 18485 18486 // Delete the updated package 18487 outInfo.isRemovedPackageSystemUpdate = true; 18488 if (outInfo.removedChildPackages != null) { 18489 final int childCount = (deletedPs.childPackageNames != null) 18490 ? deletedPs.childPackageNames.size() : 0; 18491 for (int i = 0; i < childCount; i++) { 18492 String childPackageName = deletedPs.childPackageNames.get(i); 18493 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 18494 .contains(childPackageName)) { 18495 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 18496 childPackageName); 18497 if (childInfo != null) { 18498 childInfo.isRemovedPackageSystemUpdate = true; 18499 } 18500 } 18501 } 18502 } 18503 18504 if (disabledPs.versionCode < deletedPs.versionCode) { 18505 // Delete data for downgrades 18506 flags &= ~PackageManager.DELETE_KEEP_DATA; 18507 } else { 18508 // Preserve data by setting flag 18509 flags |= PackageManager.DELETE_KEEP_DATA; 18510 } 18511 18512 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 18513 outInfo, writeSettings, disabledPs.pkg); 18514 if (!ret) { 18515 return false; 18516 } 18517 18518 // writer 18519 synchronized (mPackages) { 18520 // NOTE: The system package always needs to be enabled; even if it's for 18521 // a compressed stub. If we don't, installing the system package fails 18522 // during scan [scanning checks the disabled packages]. We will reverse 18523 // this later, after we've "installed" the stub. 18524 // Reinstate the old system package 18525 enableSystemPackageLPw(disabledPs.pkg); 18526 // Remove any native libraries from the upgraded package. 18527 removeNativeBinariesLI(deletedPs); 18528 } 18529 18530 // Install the system package 18531 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 18532 try { 18533 installPackageFromSystemLIF(disabledPs.codePathString, false, allUserHandles, 18534 outInfo.origUsers, deletedPs.getPermissionsState(), writeSettings); 18535 } catch (PackageManagerException e) { 18536 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 18537 + e.getMessage()); 18538 return false; 18539 } finally { 18540 if (disabledPs.pkg.isStub) { 18541 mSettings.disableSystemPackageLPw(disabledPs.name, true /*replaced*/); 18542 } 18543 } 18544 return true; 18545 } 18546 18547 /** 18548 * Installs a package that's already on the system partition. 18549 */ 18550 private PackageParser.Package installPackageFromSystemLIF(@NonNull String codePathString, 18551 boolean isPrivileged, @Nullable int[] allUserHandles, @Nullable int[] origUserHandles, 18552 @Nullable PermissionsState origPermissionState, boolean writeSettings) 18553 throws PackageManagerException { 18554 @ParseFlags int parseFlags = 18555 mDefParseFlags 18556 | PackageParser.PARSE_MUST_BE_APK 18557 | PackageParser.PARSE_IS_SYSTEM_DIR; 18558 @ScanFlags int scanFlags = SCAN_AS_SYSTEM; 18559 if (isPrivileged || locationIsPrivileged(codePathString)) { 18560 scanFlags |= SCAN_AS_PRIVILEGED; 18561 } 18562 if (locationIsOem(codePathString)) { 18563 scanFlags |= SCAN_AS_OEM; 18564 } 18565 if (locationIsVendor(codePathString)) { 18566 scanFlags |= SCAN_AS_VENDOR; 18567 } 18568 if (locationIsProduct(codePathString)) { 18569 scanFlags |= SCAN_AS_PRODUCT; 18570 } 18571 18572 final File codePath = new File(codePathString); 18573 final PackageParser.Package pkg = 18574 scanPackageTracedLI(codePath, parseFlags, scanFlags, 0 /*currentTime*/, null); 18575 18576 try { 18577 // update shared libraries for the newly re-installed system package 18578 updateSharedLibrariesLPr(pkg, null); 18579 } catch (PackageManagerException e) { 18580 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 18581 } 18582 18583 prepareAppDataAfterInstallLIF(pkg); 18584 18585 // writer 18586 synchronized (mPackages) { 18587 PackageSetting ps = mSettings.mPackages.get(pkg.packageName); 18588 18589 // Propagate the permissions state as we do not want to drop on the floor 18590 // runtime permissions. The update permissions method below will take 18591 // care of removing obsolete permissions and grant install permissions. 18592 if (origPermissionState != null) { 18593 ps.getPermissionsState().copyFrom(origPermissionState); 18594 } 18595 mPermissionManager.updatePermissions(pkg.packageName, pkg, true, mPackages.values(), 18596 mPermissionCallback); 18597 18598 final boolean applyUserRestrictions 18599 = (allUserHandles != null) && (origUserHandles != null); 18600 if (applyUserRestrictions) { 18601 boolean installedStateChanged = false; 18602 if (DEBUG_REMOVE) { 18603 Slog.d(TAG, "Propagating install state across reinstall"); 18604 } 18605 for (int userId : allUserHandles) { 18606 final boolean installed = ArrayUtils.contains(origUserHandles, userId); 18607 if (DEBUG_REMOVE) { 18608 Slog.d(TAG, " user " + userId + " => " + installed); 18609 } 18610 if (installed != ps.getInstalled(userId)) { 18611 installedStateChanged = true; 18612 } 18613 ps.setInstalled(installed, userId); 18614 18615 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 18616 } 18617 // Regardless of writeSettings we need to ensure that this restriction 18618 // state propagation is persisted 18619 mSettings.writeAllUsersPackageRestrictionsLPr(); 18620 if (installedStateChanged) { 18621 mSettings.writeKernelMappingLPr(ps); 18622 } 18623 } 18624 // can downgrade to reader here 18625 if (writeSettings) { 18626 mSettings.writeLPr(); 18627 } 18628 } 18629 return pkg; 18630 } 18631 18632 private boolean deleteInstalledPackageLIF(PackageSetting ps, 18633 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 18634 PackageRemovedInfo outInfo, boolean writeSettings, 18635 PackageParser.Package replacingPackage) { 18636 synchronized (mPackages) { 18637 if (outInfo != null) { 18638 outInfo.uid = ps.appId; 18639 } 18640 18641 if (outInfo != null && outInfo.removedChildPackages != null) { 18642 final int childCount = (ps.childPackageNames != null) 18643 ? ps.childPackageNames.size() : 0; 18644 for (int i = 0; i < childCount; i++) { 18645 String childPackageName = ps.childPackageNames.get(i); 18646 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 18647 if (childPs == null) { 18648 return false; 18649 } 18650 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 18651 childPackageName); 18652 if (childInfo != null) { 18653 childInfo.uid = childPs.appId; 18654 } 18655 } 18656 } 18657 } 18658 18659 // Delete package data from internal structures and also remove data if flag is set 18660 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 18661 18662 // Delete the child packages data 18663 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 18664 for (int i = 0; i < childCount; i++) { 18665 PackageSetting childPs; 18666 synchronized (mPackages) { 18667 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 18668 } 18669 if (childPs != null) { 18670 PackageRemovedInfo childOutInfo = (outInfo != null 18671 && outInfo.removedChildPackages != null) 18672 ? outInfo.removedChildPackages.get(childPs.name) : null; 18673 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 18674 && (replacingPackage != null 18675 && !replacingPackage.hasChildPackage(childPs.name)) 18676 ? flags & ~DELETE_KEEP_DATA : flags; 18677 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 18678 deleteFlags, writeSettings); 18679 } 18680 } 18681 18682 // Delete application code and resources only for parent packages 18683 if (ps.parentPackageName == null) { 18684 if (deleteCodeAndResources && (outInfo != null)) { 18685 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 18686 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 18687 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 18688 } 18689 } 18690 18691 return true; 18692 } 18693 18694 @Override 18695 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 18696 int userId) { 18697 mContext.enforceCallingOrSelfPermission( 18698 android.Manifest.permission.DELETE_PACKAGES, null); 18699 synchronized (mPackages) { 18700 // Cannot block uninstall of static shared libs as they are 18701 // considered a part of the using app (emulating static linking). 18702 // Also static libs are installed always on internal storage. 18703 PackageParser.Package pkg = mPackages.get(packageName); 18704 if (pkg != null && pkg.staticSharedLibName != null) { 18705 Slog.w(TAG, "Cannot block uninstall of package: " + packageName 18706 + " providing static shared library: " + pkg.staticSharedLibName); 18707 return false; 18708 } 18709 mSettings.setBlockUninstallLPw(userId, packageName, blockUninstall); 18710 mSettings.writePackageRestrictionsLPr(userId); 18711 } 18712 return true; 18713 } 18714 18715 @Override 18716 public boolean getBlockUninstallForUser(String packageName, int userId) { 18717 synchronized (mPackages) { 18718 final PackageSetting ps = mSettings.mPackages.get(packageName); 18719 if (ps == null || filterAppAccessLPr(ps, Binder.getCallingUid(), userId)) { 18720 return false; 18721 } 18722 return mSettings.getBlockUninstallLPr(userId, packageName); 18723 } 18724 } 18725 18726 @Override 18727 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 18728 enforceSystemOrRoot("setRequiredForSystemUser can only be run by the system or root"); 18729 synchronized (mPackages) { 18730 PackageSetting ps = mSettings.mPackages.get(packageName); 18731 if (ps == null) { 18732 Log.w(TAG, "Package doesn't exist: " + packageName); 18733 return false; 18734 } 18735 if (systemUserApp) { 18736 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 18737 } else { 18738 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 18739 } 18740 mSettings.writeLPr(); 18741 } 18742 return true; 18743 } 18744 18745 /* 18746 * This method handles package deletion in general 18747 */ 18748 private boolean deletePackageLIF(String packageName, UserHandle user, 18749 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 18750 PackageRemovedInfo outInfo, boolean writeSettings, 18751 PackageParser.Package replacingPackage) { 18752 if (packageName == null) { 18753 Slog.w(TAG, "Attempt to delete null packageName."); 18754 return false; 18755 } 18756 18757 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 18758 18759 PackageSetting ps; 18760 synchronized (mPackages) { 18761 ps = mSettings.mPackages.get(packageName); 18762 if (ps == null) { 18763 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 18764 return false; 18765 } 18766 18767 if (ps.parentPackageName != null && (!isSystemApp(ps) 18768 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 18769 if (DEBUG_REMOVE) { 18770 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 18771 + ((user == null) ? UserHandle.USER_ALL : user)); 18772 } 18773 final int removedUserId = (user != null) ? user.getIdentifier() 18774 : UserHandle.USER_ALL; 18775 18776 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 18777 return false; 18778 } 18779 markPackageUninstalledForUserLPw(ps, user); 18780 scheduleWritePackageRestrictionsLocked(user); 18781 return true; 18782 } 18783 } 18784 18785 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 18786 if (ps.getPermissionsState().hasPermission(Manifest.permission.SUSPEND_APPS, userId)) { 18787 onSuspendingPackageRemoved(packageName, userId); 18788 } 18789 18790 18791 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 18792 && user.getIdentifier() != UserHandle.USER_ALL)) { 18793 // The caller is asking that the package only be deleted for a single 18794 // user. To do this, we just mark its uninstalled state and delete 18795 // its data. If this is a system app, we only allow this to happen if 18796 // they have set the special DELETE_SYSTEM_APP which requests different 18797 // semantics than normal for uninstalling system apps. 18798 markPackageUninstalledForUserLPw(ps, user); 18799 18800 if (!isSystemApp(ps)) { 18801 // Do not uninstall the APK if an app should be cached 18802 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 18803 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 18804 // Other user still have this package installed, so all 18805 // we need to do is clear this user's data and save that 18806 // it is uninstalled. 18807 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 18808 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 18809 return false; 18810 } 18811 scheduleWritePackageRestrictionsLocked(user); 18812 return true; 18813 } else { 18814 // We need to set it back to 'installed' so the uninstall 18815 // broadcasts will be sent correctly. 18816 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 18817 ps.setInstalled(true, user.getIdentifier()); 18818 mSettings.writeKernelMappingLPr(ps); 18819 } 18820 } else { 18821 // This is a system app, so we assume that the 18822 // other users still have this package installed, so all 18823 // we need to do is clear this user's data and save that 18824 // it is uninstalled. 18825 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 18826 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 18827 return false; 18828 } 18829 scheduleWritePackageRestrictionsLocked(user); 18830 return true; 18831 } 18832 } 18833 18834 // If we are deleting a composite package for all users, keep track 18835 // of result for each child. 18836 if (ps.childPackageNames != null && outInfo != null) { 18837 synchronized (mPackages) { 18838 final int childCount = ps.childPackageNames.size(); 18839 outInfo.removedChildPackages = new ArrayMap<>(childCount); 18840 for (int i = 0; i < childCount; i++) { 18841 String childPackageName = ps.childPackageNames.get(i); 18842 PackageRemovedInfo childInfo = new PackageRemovedInfo(this); 18843 childInfo.removedPackage = childPackageName; 18844 childInfo.installerPackageName = ps.installerPackageName; 18845 outInfo.removedChildPackages.put(childPackageName, childInfo); 18846 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 18847 if (childPs != null) { 18848 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 18849 } 18850 } 18851 } 18852 } 18853 18854 boolean ret = false; 18855 if (isSystemApp(ps)) { 18856 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 18857 // When an updated system application is deleted we delete the existing resources 18858 // as well and fall back to existing code in system partition 18859 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 18860 } else { 18861 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 18862 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 18863 outInfo, writeSettings, replacingPackage); 18864 } 18865 18866 // Take a note whether we deleted the package for all users 18867 if (outInfo != null) { 18868 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 18869 if (outInfo.removedChildPackages != null) { 18870 synchronized (mPackages) { 18871 final int childCount = outInfo.removedChildPackages.size(); 18872 for (int i = 0; i < childCount; i++) { 18873 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 18874 if (childInfo != null) { 18875 childInfo.removedForAllUsers = mPackages.get( 18876 childInfo.removedPackage) == null; 18877 } 18878 } 18879 } 18880 } 18881 // If we uninstalled an update to a system app there may be some 18882 // child packages that appeared as they are declared in the system 18883 // app but were not declared in the update. 18884 if (isSystemApp(ps)) { 18885 synchronized (mPackages) { 18886 PackageSetting updatedPs = mSettings.getPackageLPr(ps.name); 18887 final int childCount = (updatedPs.childPackageNames != null) 18888 ? updatedPs.childPackageNames.size() : 0; 18889 for (int i = 0; i < childCount; i++) { 18890 String childPackageName = updatedPs.childPackageNames.get(i); 18891 if (outInfo.removedChildPackages == null 18892 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 18893 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 18894 if (childPs == null) { 18895 continue; 18896 } 18897 PackageInstalledInfo installRes = new PackageInstalledInfo(); 18898 installRes.name = childPackageName; 18899 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 18900 installRes.pkg = mPackages.get(childPackageName); 18901 installRes.uid = childPs.pkg.applicationInfo.uid; 18902 if (outInfo.appearedChildPackages == null) { 18903 outInfo.appearedChildPackages = new ArrayMap<>(); 18904 } 18905 outInfo.appearedChildPackages.put(childPackageName, installRes); 18906 } 18907 } 18908 } 18909 } 18910 } 18911 18912 return ret; 18913 } 18914 18915 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 18916 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 18917 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 18918 for (int nextUserId : userIds) { 18919 if (DEBUG_REMOVE) { 18920 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 18921 } 18922 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 18923 false /*installed*/, 18924 true /*stopped*/, 18925 true /*notLaunched*/, 18926 false /*hidden*/, 18927 false /*suspended*/, 18928 null, /*suspendingPackage*/ 18929 null, /*dialogMessage*/ 18930 null, /*suspendedAppExtras*/ 18931 null, /*suspendedLauncherExtras*/ 18932 false /*instantApp*/, 18933 false /*virtualPreload*/, 18934 null /*lastDisableAppCaller*/, 18935 null /*enabledComponents*/, 18936 null /*disabledComponents*/, 18937 ps.readUserState(nextUserId).domainVerificationStatus, 18938 0, PackageManager.INSTALL_REASON_UNKNOWN, 18939 null /*harmfulAppWarning*/); 18940 } 18941 mSettings.writeKernelMappingLPr(ps); 18942 } 18943 18944 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 18945 PackageRemovedInfo outInfo) { 18946 final PackageParser.Package pkg; 18947 synchronized (mPackages) { 18948 pkg = mPackages.get(ps.name); 18949 } 18950 18951 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 18952 : new int[] {userId}; 18953 for (int nextUserId : userIds) { 18954 if (DEBUG_REMOVE) { 18955 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 18956 + nextUserId); 18957 } 18958 18959 destroyAppDataLIF(pkg, userId, 18960 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18961 destroyAppProfilesLIF(pkg, userId); 18962 clearDefaultBrowserIfNeededForUser(ps.name, userId); 18963 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 18964 schedulePackageCleaning(ps.name, nextUserId, false); 18965 synchronized (mPackages) { 18966 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 18967 scheduleWritePackageRestrictionsLocked(nextUserId); 18968 } 18969 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 18970 } 18971 } 18972 18973 if (outInfo != null) { 18974 outInfo.removedPackage = ps.name; 18975 outInfo.installerPackageName = ps.installerPackageName; 18976 outInfo.isStaticSharedLib = pkg != null && pkg.staticSharedLibName != null; 18977 outInfo.removedAppId = ps.appId; 18978 outInfo.removedUsers = userIds; 18979 outInfo.broadcastUsers = userIds; 18980 } 18981 18982 return true; 18983 } 18984 18985 private final class ClearStorageConnection implements ServiceConnection { 18986 IMediaContainerService mContainerService; 18987 18988 @Override 18989 public void onServiceConnected(ComponentName name, IBinder service) { 18990 synchronized (this) { 18991 mContainerService = IMediaContainerService.Stub 18992 .asInterface(Binder.allowBlocking(service)); 18993 notifyAll(); 18994 } 18995 } 18996 18997 @Override 18998 public void onServiceDisconnected(ComponentName name) { 18999 } 19000 } 19001 19002 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 19003 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 19004 19005 final boolean mounted; 19006 if (Environment.isExternalStorageEmulated()) { 19007 mounted = true; 19008 } else { 19009 final String status = Environment.getExternalStorageState(); 19010 19011 mounted = status.equals(Environment.MEDIA_MOUNTED) 19012 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 19013 } 19014 19015 if (!mounted) { 19016 return; 19017 } 19018 19019 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 19020 int[] users; 19021 if (userId == UserHandle.USER_ALL) { 19022 users = sUserManager.getUserIds(); 19023 } else { 19024 users = new int[] { userId }; 19025 } 19026 final ClearStorageConnection conn = new ClearStorageConnection(); 19027 if (mContext.bindServiceAsUser( 19028 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 19029 try { 19030 for (int curUser : users) { 19031 long timeout = SystemClock.uptimeMillis() + 5000; 19032 synchronized (conn) { 19033 long now; 19034 while (conn.mContainerService == null && 19035 (now = SystemClock.uptimeMillis()) < timeout) { 19036 try { 19037 conn.wait(timeout - now); 19038 } catch (InterruptedException e) { 19039 } 19040 } 19041 } 19042 if (conn.mContainerService == null) { 19043 return; 19044 } 19045 19046 final UserEnvironment userEnv = new UserEnvironment(curUser); 19047 clearDirectory(conn.mContainerService, 19048 userEnv.buildExternalStorageAppCacheDirs(packageName)); 19049 if (allData) { 19050 clearDirectory(conn.mContainerService, 19051 userEnv.buildExternalStorageAppDataDirs(packageName)); 19052 clearDirectory(conn.mContainerService, 19053 userEnv.buildExternalStorageAppMediaDirs(packageName)); 19054 } 19055 } 19056 } finally { 19057 mContext.unbindService(conn); 19058 } 19059 } 19060 } 19061 19062 @Override 19063 public void clearApplicationProfileData(String packageName) { 19064 enforceSystemOrRoot("Only the system can clear all profile data"); 19065 19066 final PackageParser.Package pkg; 19067 synchronized (mPackages) { 19068 pkg = mPackages.get(packageName); 19069 } 19070 19071 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 19072 synchronized (mInstallLock) { 19073 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 19074 } 19075 } 19076 } 19077 19078 @Override 19079 public void clearApplicationUserData(final String packageName, 19080 final IPackageDataObserver observer, final int userId) { 19081 mContext.enforceCallingOrSelfPermission( 19082 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 19083 19084 final int callingUid = Binder.getCallingUid(); 19085 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 19086 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 19087 19088 final PackageSetting ps = mSettings.getPackageLPr(packageName); 19089 final boolean filterApp = (ps != null && filterAppAccessLPr(ps, callingUid, userId)); 19090 if (!filterApp && mProtectedPackages.isPackageDataProtected(userId, packageName)) { 19091 throw new SecurityException("Cannot clear data for a protected package: " 19092 + packageName); 19093 } 19094 // Queue up an async operation since the package deletion may take a little while. 19095 mHandler.post(new Runnable() { 19096 public void run() { 19097 mHandler.removeCallbacks(this); 19098 final boolean succeeded; 19099 if (!filterApp) { 19100 try (PackageFreezer freezer = freezePackage(packageName, 19101 "clearApplicationUserData")) { 19102 synchronized (mInstallLock) { 19103 succeeded = clearApplicationUserDataLIF(packageName, userId); 19104 } 19105 clearExternalStorageDataSync(packageName, userId, true); 19106 synchronized (mPackages) { 19107 mInstantAppRegistry.deleteInstantApplicationMetadataLPw( 19108 packageName, userId); 19109 } 19110 } 19111 if (succeeded) { 19112 // invoke DeviceStorageMonitor's update method to clear any notifications 19113 DeviceStorageMonitorInternal dsm = LocalServices 19114 .getService(DeviceStorageMonitorInternal.class); 19115 if (dsm != null) { 19116 dsm.checkMemory(); 19117 } 19118 } 19119 } else { 19120 succeeded = false; 19121 } 19122 if (observer != null) { 19123 try { 19124 observer.onRemoveCompleted(packageName, succeeded); 19125 } catch (RemoteException e) { 19126 Log.i(TAG, "Observer no longer exists."); 19127 } 19128 } //end if observer 19129 } //end run 19130 }); 19131 } 19132 19133 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 19134 if (packageName == null) { 19135 Slog.w(TAG, "Attempt to delete null packageName."); 19136 return false; 19137 } 19138 19139 // Try finding details about the requested package 19140 PackageParser.Package pkg; 19141 synchronized (mPackages) { 19142 pkg = mPackages.get(packageName); 19143 if (pkg == null) { 19144 final PackageSetting ps = mSettings.mPackages.get(packageName); 19145 if (ps != null) { 19146 pkg = ps.pkg; 19147 } 19148 } 19149 19150 if (pkg == null) { 19151 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 19152 return false; 19153 } 19154 19155 PackageSetting ps = (PackageSetting) pkg.mExtras; 19156 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 19157 } 19158 19159 clearAppDataLIF(pkg, userId, 19160 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 19161 19162 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 19163 removeKeystoreDataIfNeeded(userId, appId); 19164 19165 UserManagerInternal umInternal = getUserManagerInternal(); 19166 final int flags; 19167 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 19168 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 19169 } else if (umInternal.isUserRunning(userId)) { 19170 flags = StorageManager.FLAG_STORAGE_DE; 19171 } else { 19172 flags = 0; 19173 } 19174 prepareAppDataContentsLIF(pkg, userId, flags); 19175 19176 return true; 19177 } 19178 19179 /** 19180 * Reverts user permission state changes (permissions and flags) in 19181 * all packages for a given user. 19182 * 19183 * @param userId The device user for which to do a reset. 19184 */ 19185 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 19186 final int packageCount = mPackages.size(); 19187 for (int i = 0; i < packageCount; i++) { 19188 PackageParser.Package pkg = mPackages.valueAt(i); 19189 PackageSetting ps = (PackageSetting) pkg.mExtras; 19190 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 19191 } 19192 } 19193 19194 private void resetNetworkPolicies(int userId) { 19195 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 19196 } 19197 19198 /** 19199 * Reverts user permission state changes (permissions and flags). 19200 * 19201 * @param ps The package for which to reset. 19202 * @param userId The device user for which to do a reset. 19203 */ 19204 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 19205 final PackageSetting ps, final int userId) { 19206 if (ps.pkg == null) { 19207 return; 19208 } 19209 19210 // These are flags that can change base on user actions. 19211 final int userSettableMask = FLAG_PERMISSION_USER_SET 19212 | FLAG_PERMISSION_USER_FIXED 19213 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 19214 | FLAG_PERMISSION_REVIEW_REQUIRED; 19215 19216 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 19217 | FLAG_PERMISSION_POLICY_FIXED; 19218 19219 boolean writeInstallPermissions = false; 19220 boolean writeRuntimePermissions = false; 19221 19222 final int permissionCount = ps.pkg.requestedPermissions.size(); 19223 for (int i = 0; i < permissionCount; i++) { 19224 final String permName = ps.pkg.requestedPermissions.get(i); 19225 final BasePermission bp = 19226 (BasePermission) mPermissionManager.getPermissionTEMP(permName); 19227 if (bp == null) { 19228 continue; 19229 } 19230 19231 // If shared user we just reset the state to which only this app contributed. 19232 if (ps.sharedUser != null) { 19233 boolean used = false; 19234 final int packageCount = ps.sharedUser.packages.size(); 19235 for (int j = 0; j < packageCount; j++) { 19236 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 19237 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 19238 && pkg.pkg.requestedPermissions.contains(permName)) { 19239 used = true; 19240 break; 19241 } 19242 } 19243 if (used) { 19244 continue; 19245 } 19246 } 19247 19248 final PermissionsState permissionsState = ps.getPermissionsState(); 19249 19250 final int oldFlags = permissionsState.getPermissionFlags(permName, userId); 19251 19252 // Always clear the user settable flags. 19253 final boolean hasInstallState = 19254 permissionsState.getInstallPermissionState(permName) != null; 19255 // If permission review is enabled and this is a legacy app, mark the 19256 // permission as requiring a review as this is the initial state. 19257 int flags = 0; 19258 if (mSettings.mPermissions.mPermissionReviewRequired 19259 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 19260 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 19261 } 19262 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 19263 if (hasInstallState) { 19264 writeInstallPermissions = true; 19265 } else { 19266 writeRuntimePermissions = true; 19267 } 19268 } 19269 19270 // Below is only runtime permission handling. 19271 if (!bp.isRuntime()) { 19272 continue; 19273 } 19274 19275 // Never clobber system or policy. 19276 if ((oldFlags & policyOrSystemFlags) != 0) { 19277 continue; 19278 } 19279 19280 // If this permission was granted by default, make sure it is. 19281 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 19282 if (permissionsState.grantRuntimePermission(bp, userId) 19283 != PERMISSION_OPERATION_FAILURE) { 19284 writeRuntimePermissions = true; 19285 } 19286 // If permission review is enabled the permissions for a legacy apps 19287 // are represented as constantly granted runtime ones, so don't revoke. 19288 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 19289 // Otherwise, reset the permission. 19290 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 19291 switch (revokeResult) { 19292 case PERMISSION_OPERATION_SUCCESS: 19293 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 19294 writeRuntimePermissions = true; 19295 final int appId = ps.appId; 19296 mHandler.post(new Runnable() { 19297 @Override 19298 public void run() { 19299 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 19300 } 19301 }); 19302 } break; 19303 } 19304 } 19305 } 19306 19307 // Synchronously write as we are taking permissions away. 19308 if (writeRuntimePermissions) { 19309 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 19310 } 19311 19312 // Synchronously write as we are taking permissions away. 19313 if (writeInstallPermissions) { 19314 mSettings.writeLPr(); 19315 } 19316 } 19317 19318 /** 19319 * Remove entries from the keystore daemon. Will only remove it if the 19320 * {@code appId} is valid. 19321 */ 19322 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 19323 if (appId < 0) { 19324 return; 19325 } 19326 19327 final KeyStore keyStore = KeyStore.getInstance(); 19328 if (keyStore != null) { 19329 if (userId == UserHandle.USER_ALL) { 19330 for (final int individual : sUserManager.getUserIds()) { 19331 keyStore.clearUid(UserHandle.getUid(individual, appId)); 19332 } 19333 } else { 19334 keyStore.clearUid(UserHandle.getUid(userId, appId)); 19335 } 19336 } else { 19337 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 19338 } 19339 } 19340 19341 @Override 19342 public void deleteApplicationCacheFiles(final String packageName, 19343 final IPackageDataObserver observer) { 19344 final int userId = UserHandle.getCallingUserId(); 19345 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 19346 } 19347 19348 @Override 19349 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 19350 final IPackageDataObserver observer) { 19351 final int callingUid = Binder.getCallingUid(); 19352 if (mContext.checkCallingOrSelfPermission( 19353 android.Manifest.permission.INTERNAL_DELETE_CACHE_FILES) 19354 != PackageManager.PERMISSION_GRANTED) { 19355 // If the caller has the old delete cache permission, silently ignore. Else throw. 19356 if (mContext.checkCallingOrSelfPermission( 19357 android.Manifest.permission.DELETE_CACHE_FILES) 19358 == PackageManager.PERMISSION_GRANTED) { 19359 Slog.w(TAG, "Calling uid " + callingUid + " does not have " + 19360 android.Manifest.permission.INTERNAL_DELETE_CACHE_FILES + 19361 ", silently ignoring"); 19362 return; 19363 } 19364 mContext.enforceCallingOrSelfPermission( 19365 android.Manifest.permission.INTERNAL_DELETE_CACHE_FILES, null); 19366 } 19367 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 19368 /* requireFullPermission= */ true, /* checkShell= */ false, 19369 "delete application cache files"); 19370 final int hasAccessInstantApps = mContext.checkCallingOrSelfPermission( 19371 android.Manifest.permission.ACCESS_INSTANT_APPS); 19372 19373 final PackageParser.Package pkg; 19374 synchronized (mPackages) { 19375 pkg = mPackages.get(packageName); 19376 } 19377 19378 // Queue up an async operation since the package deletion may take a little while. 19379 mHandler.post(new Runnable() { 19380 public void run() { 19381 final PackageSetting ps = pkg == null ? null : (PackageSetting) pkg.mExtras; 19382 boolean doClearData = true; 19383 if (ps != null) { 19384 final boolean targetIsInstantApp = 19385 ps.getInstantApp(UserHandle.getUserId(callingUid)); 19386 doClearData = !targetIsInstantApp 19387 || hasAccessInstantApps == PackageManager.PERMISSION_GRANTED; 19388 } 19389 if (doClearData) { 19390 synchronized (mInstallLock) { 19391 final int flags = StorageManager.FLAG_STORAGE_DE 19392 | StorageManager.FLAG_STORAGE_CE; 19393 // We're only clearing cache files, so we don't care if the 19394 // app is unfrozen and still able to run 19395 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 19396 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 19397 } 19398 clearExternalStorageDataSync(packageName, userId, false); 19399 } 19400 if (observer != null) { 19401 try { 19402 observer.onRemoveCompleted(packageName, true); 19403 } catch (RemoteException e) { 19404 Log.i(TAG, "Observer no longer exists."); 19405 } 19406 } 19407 } 19408 }); 19409 } 19410 19411 @Override 19412 public void getPackageSizeInfo(final String packageName, int userHandle, 19413 final IPackageStatsObserver observer) { 19414 throw new UnsupportedOperationException( 19415 "Shame on you for calling the hidden API getPackageSizeInfo(). Shame!"); 19416 } 19417 19418 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 19419 final PackageSetting ps; 19420 synchronized (mPackages) { 19421 ps = mSettings.mPackages.get(packageName); 19422 if (ps == null) { 19423 Slog.w(TAG, "Failed to find settings for " + packageName); 19424 return false; 19425 } 19426 } 19427 19428 final String[] packageNames = { packageName }; 19429 final long[] ceDataInodes = { ps.getCeDataInode(userId) }; 19430 final String[] codePaths = { ps.codePathString }; 19431 19432 try { 19433 mInstaller.getAppSize(ps.volumeUuid, packageNames, userId, 0, 19434 ps.appId, ceDataInodes, codePaths, stats); 19435 19436 // For now, ignore code size of packages on system partition 19437 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 19438 stats.codeSize = 0; 19439 } 19440 19441 // External clients expect these to be tracked separately 19442 stats.dataSize -= stats.cacheSize; 19443 19444 } catch (InstallerException e) { 19445 Slog.w(TAG, String.valueOf(e)); 19446 return false; 19447 } 19448 19449 return true; 19450 } 19451 19452 private int getUidTargetSdkVersionLockedLPr(int uid) { 19453 Object obj = mSettings.getUserIdLPr(uid); 19454 if (obj instanceof SharedUserSetting) { 19455 final SharedUserSetting sus = (SharedUserSetting) obj; 19456 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 19457 final Iterator<PackageSetting> it = sus.packages.iterator(); 19458 while (it.hasNext()) { 19459 final PackageSetting ps = it.next(); 19460 if (ps.pkg != null) { 19461 int v = ps.pkg.applicationInfo.targetSdkVersion; 19462 if (v < vers) vers = v; 19463 } 19464 } 19465 return vers; 19466 } else if (obj instanceof PackageSetting) { 19467 final PackageSetting ps = (PackageSetting) obj; 19468 if (ps.pkg != null) { 19469 return ps.pkg.applicationInfo.targetSdkVersion; 19470 } 19471 } 19472 return Build.VERSION_CODES.CUR_DEVELOPMENT; 19473 } 19474 19475 private int getPackageTargetSdkVersionLockedLPr(String packageName) { 19476 final PackageParser.Package p = mPackages.get(packageName); 19477 if (p != null) { 19478 return p.applicationInfo.targetSdkVersion; 19479 } 19480 return Build.VERSION_CODES.CUR_DEVELOPMENT; 19481 } 19482 19483 @Override 19484 public void addPreferredActivity(IntentFilter filter, int match, 19485 ComponentName[] set, ComponentName activity, int userId) { 19486 addPreferredActivityInternal(filter, match, set, activity, true, userId, 19487 "Adding preferred"); 19488 } 19489 19490 private void addPreferredActivityInternal(IntentFilter filter, int match, 19491 ComponentName[] set, ComponentName activity, boolean always, int userId, 19492 String opname) { 19493 // writer 19494 int callingUid = Binder.getCallingUid(); 19495 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 19496 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 19497 if (filter.countActions() == 0) { 19498 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 19499 return; 19500 } 19501 synchronized (mPackages) { 19502 if (mContext.checkCallingOrSelfPermission( 19503 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 19504 != PackageManager.PERMISSION_GRANTED) { 19505 if (getUidTargetSdkVersionLockedLPr(callingUid) 19506 < Build.VERSION_CODES.FROYO) { 19507 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 19508 + callingUid); 19509 return; 19510 } 19511 mContext.enforceCallingOrSelfPermission( 19512 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 19513 } 19514 19515 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 19516 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 19517 + userId + ":"); 19518 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 19519 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 19520 scheduleWritePackageRestrictionsLocked(userId); 19521 postPreferredActivityChangedBroadcast(userId); 19522 } 19523 } 19524 19525 private void postPreferredActivityChangedBroadcast(int userId) { 19526 mHandler.post(() -> { 19527 final IActivityManager am = ActivityManager.getService(); 19528 if (am == null) { 19529 return; 19530 } 19531 19532 final Intent intent = new Intent(Intent.ACTION_PREFERRED_ACTIVITY_CHANGED); 19533 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 19534 try { 19535 am.broadcastIntent(null, intent, null, null, 19536 0, null, null, null, android.app.AppOpsManager.OP_NONE, 19537 null, false, false, userId); 19538 } catch (RemoteException e) { 19539 } 19540 }); 19541 } 19542 19543 @Override 19544 public void replacePreferredActivity(IntentFilter filter, int match, 19545 ComponentName[] set, ComponentName activity, int userId) { 19546 if (filter.countActions() != 1) { 19547 throw new IllegalArgumentException( 19548 "replacePreferredActivity expects filter to have only 1 action."); 19549 } 19550 if (filter.countDataAuthorities() != 0 19551 || filter.countDataPaths() != 0 19552 || filter.countDataSchemes() > 1 19553 || filter.countDataTypes() != 0) { 19554 throw new IllegalArgumentException( 19555 "replacePreferredActivity expects filter to have no data authorities, " + 19556 "paths, or types; and at most one scheme."); 19557 } 19558 19559 final int callingUid = Binder.getCallingUid(); 19560 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 19561 true /* requireFullPermission */, false /* checkShell */, 19562 "replace preferred activity"); 19563 synchronized (mPackages) { 19564 if (mContext.checkCallingOrSelfPermission( 19565 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 19566 != PackageManager.PERMISSION_GRANTED) { 19567 if (getUidTargetSdkVersionLockedLPr(callingUid) 19568 < Build.VERSION_CODES.FROYO) { 19569 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 19570 + Binder.getCallingUid()); 19571 return; 19572 } 19573 mContext.enforceCallingOrSelfPermission( 19574 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 19575 } 19576 19577 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 19578 if (pir != null) { 19579 // Get all of the existing entries that exactly match this filter. 19580 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 19581 if (existing != null && existing.size() == 1) { 19582 PreferredActivity cur = existing.get(0); 19583 if (DEBUG_PREFERRED) { 19584 Slog.i(TAG, "Checking replace of preferred:"); 19585 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 19586 if (!cur.mPref.mAlways) { 19587 Slog.i(TAG, " -- CUR; not mAlways!"); 19588 } else { 19589 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 19590 Slog.i(TAG, " -- CUR: mSet=" 19591 + Arrays.toString(cur.mPref.mSetComponents)); 19592 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 19593 Slog.i(TAG, " -- NEW: mMatch=" 19594 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 19595 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 19596 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 19597 } 19598 } 19599 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 19600 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 19601 && cur.mPref.sameSet(set)) { 19602 // Setting the preferred activity to what it happens to be already 19603 if (DEBUG_PREFERRED) { 19604 Slog.i(TAG, "Replacing with same preferred activity " 19605 + cur.mPref.mShortComponent + " for user " 19606 + userId + ":"); 19607 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 19608 } 19609 return; 19610 } 19611 } 19612 19613 if (existing != null) { 19614 if (DEBUG_PREFERRED) { 19615 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 19616 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 19617 } 19618 for (int i = 0; i < existing.size(); i++) { 19619 PreferredActivity pa = existing.get(i); 19620 if (DEBUG_PREFERRED) { 19621 Slog.i(TAG, "Removing existing preferred activity " 19622 + pa.mPref.mComponent + ":"); 19623 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 19624 } 19625 pir.removeFilter(pa); 19626 } 19627 } 19628 } 19629 addPreferredActivityInternal(filter, match, set, activity, true, userId, 19630 "Replacing preferred"); 19631 } 19632 } 19633 19634 @Override 19635 public void clearPackagePreferredActivities(String packageName) { 19636 final int callingUid = Binder.getCallingUid(); 19637 if (getInstantAppPackageName(callingUid) != null) { 19638 return; 19639 } 19640 // writer 19641 synchronized (mPackages) { 19642 PackageParser.Package pkg = mPackages.get(packageName); 19643 if (pkg == null || pkg.applicationInfo.uid != callingUid) { 19644 if (mContext.checkCallingOrSelfPermission( 19645 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 19646 != PackageManager.PERMISSION_GRANTED) { 19647 if (getUidTargetSdkVersionLockedLPr(callingUid) 19648 < Build.VERSION_CODES.FROYO) { 19649 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 19650 + callingUid); 19651 return; 19652 } 19653 mContext.enforceCallingOrSelfPermission( 19654 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 19655 } 19656 } 19657 final PackageSetting ps = mSettings.getPackageLPr(packageName); 19658 if (ps != null 19659 && filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 19660 return; 19661 } 19662 int user = UserHandle.getCallingUserId(); 19663 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 19664 scheduleWritePackageRestrictionsLocked(user); 19665 } 19666 } 19667 } 19668 19669 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 19670 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 19671 ArrayList<PreferredActivity> removed = null; 19672 boolean changed = false; 19673 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 19674 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 19675 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 19676 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 19677 continue; 19678 } 19679 Iterator<PreferredActivity> it = pir.filterIterator(); 19680 while (it.hasNext()) { 19681 PreferredActivity pa = it.next(); 19682 // Mark entry for removal only if it matches the package name 19683 // and the entry is of type "always". 19684 if (packageName == null || 19685 (pa.mPref.mComponent.getPackageName().equals(packageName) 19686 && pa.mPref.mAlways)) { 19687 if (removed == null) { 19688 removed = new ArrayList<PreferredActivity>(); 19689 } 19690 removed.add(pa); 19691 } 19692 } 19693 if (removed != null) { 19694 for (int j=0; j<removed.size(); j++) { 19695 PreferredActivity pa = removed.get(j); 19696 pir.removeFilter(pa); 19697 } 19698 changed = true; 19699 } 19700 } 19701 if (changed) { 19702 postPreferredActivityChangedBroadcast(userId); 19703 } 19704 return changed; 19705 } 19706 19707 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 19708 private void clearIntentFilterVerificationsLPw(int userId) { 19709 final int packageCount = mPackages.size(); 19710 for (int i = 0; i < packageCount; i++) { 19711 PackageParser.Package pkg = mPackages.valueAt(i); 19712 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 19713 } 19714 } 19715 19716 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 19717 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 19718 if (userId == UserHandle.USER_ALL) { 19719 if (mSettings.removeIntentFilterVerificationLPw(packageName, 19720 sUserManager.getUserIds())) { 19721 for (int oneUserId : sUserManager.getUserIds()) { 19722 scheduleWritePackageRestrictionsLocked(oneUserId); 19723 } 19724 } 19725 } else { 19726 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 19727 scheduleWritePackageRestrictionsLocked(userId); 19728 } 19729 } 19730 } 19731 19732 /** Clears state for all users, and touches intent filter verification policy */ 19733 void clearDefaultBrowserIfNeeded(String packageName) { 19734 for (int oneUserId : sUserManager.getUserIds()) { 19735 clearDefaultBrowserIfNeededForUser(packageName, oneUserId); 19736 } 19737 } 19738 19739 private void clearDefaultBrowserIfNeededForUser(String packageName, int userId) { 19740 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 19741 if (!TextUtils.isEmpty(defaultBrowserPackageName)) { 19742 if (packageName.equals(defaultBrowserPackageName)) { 19743 setDefaultBrowserPackageName(null, userId); 19744 } 19745 } 19746 } 19747 19748 @Override 19749 public void resetApplicationPreferences(int userId) { 19750 mContext.enforceCallingOrSelfPermission( 19751 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 19752 final long identity = Binder.clearCallingIdentity(); 19753 // writer 19754 try { 19755 synchronized (mPackages) { 19756 clearPackagePreferredActivitiesLPw(null, userId); 19757 mSettings.applyDefaultPreferredAppsLPw(this, userId); 19758 // TODO: We have to reset the default SMS and Phone. This requires 19759 // significant refactoring to keep all default apps in the package 19760 // manager (cleaner but more work) or have the services provide 19761 // callbacks to the package manager to request a default app reset. 19762 applyFactoryDefaultBrowserLPw(userId); 19763 clearIntentFilterVerificationsLPw(userId); 19764 primeDomainVerificationsLPw(userId); 19765 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 19766 scheduleWritePackageRestrictionsLocked(userId); 19767 } 19768 resetNetworkPolicies(userId); 19769 } finally { 19770 Binder.restoreCallingIdentity(identity); 19771 } 19772 } 19773 19774 @Override 19775 public int getPreferredActivities(List<IntentFilter> outFilters, 19776 List<ComponentName> outActivities, String packageName) { 19777 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 19778 return 0; 19779 } 19780 int num = 0; 19781 final int userId = UserHandle.getCallingUserId(); 19782 // reader 19783 synchronized (mPackages) { 19784 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 19785 if (pir != null) { 19786 final Iterator<PreferredActivity> it = pir.filterIterator(); 19787 while (it.hasNext()) { 19788 final PreferredActivity pa = it.next(); 19789 if (packageName == null 19790 || (pa.mPref.mComponent.getPackageName().equals(packageName) 19791 && pa.mPref.mAlways)) { 19792 if (outFilters != null) { 19793 outFilters.add(new IntentFilter(pa)); 19794 } 19795 if (outActivities != null) { 19796 outActivities.add(pa.mPref.mComponent); 19797 } 19798 } 19799 } 19800 } 19801 } 19802 19803 return num; 19804 } 19805 19806 @Override 19807 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 19808 int userId) { 19809 int callingUid = Binder.getCallingUid(); 19810 if (callingUid != Process.SYSTEM_UID) { 19811 throw new SecurityException( 19812 "addPersistentPreferredActivity can only be run by the system"); 19813 } 19814 if (filter.countActions() == 0) { 19815 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 19816 return; 19817 } 19818 synchronized (mPackages) { 19819 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 19820 ":"); 19821 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 19822 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 19823 new PersistentPreferredActivity(filter, activity)); 19824 scheduleWritePackageRestrictionsLocked(userId); 19825 postPreferredActivityChangedBroadcast(userId); 19826 } 19827 } 19828 19829 @Override 19830 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 19831 int callingUid = Binder.getCallingUid(); 19832 if (callingUid != Process.SYSTEM_UID) { 19833 throw new SecurityException( 19834 "clearPackagePersistentPreferredActivities can only be run by the system"); 19835 } 19836 ArrayList<PersistentPreferredActivity> removed = null; 19837 boolean changed = false; 19838 synchronized (mPackages) { 19839 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 19840 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 19841 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 19842 .valueAt(i); 19843 if (userId != thisUserId) { 19844 continue; 19845 } 19846 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 19847 while (it.hasNext()) { 19848 PersistentPreferredActivity ppa = it.next(); 19849 // Mark entry for removal only if it matches the package name. 19850 if (ppa.mComponent.getPackageName().equals(packageName)) { 19851 if (removed == null) { 19852 removed = new ArrayList<PersistentPreferredActivity>(); 19853 } 19854 removed.add(ppa); 19855 } 19856 } 19857 if (removed != null) { 19858 for (int j=0; j<removed.size(); j++) { 19859 PersistentPreferredActivity ppa = removed.get(j); 19860 ppir.removeFilter(ppa); 19861 } 19862 changed = true; 19863 } 19864 } 19865 19866 if (changed) { 19867 scheduleWritePackageRestrictionsLocked(userId); 19868 postPreferredActivityChangedBroadcast(userId); 19869 } 19870 } 19871 } 19872 19873 /** 19874 * Common machinery for picking apart a restored XML blob and passing 19875 * it to a caller-supplied functor to be applied to the running system. 19876 */ 19877 private void restoreFromXml(XmlPullParser parser, int userId, 19878 String expectedStartTag, BlobXmlRestorer functor) 19879 throws IOException, XmlPullParserException { 19880 int type; 19881 while ((type = parser.next()) != XmlPullParser.START_TAG 19882 && type != XmlPullParser.END_DOCUMENT) { 19883 } 19884 if (type != XmlPullParser.START_TAG) { 19885 // oops didn't find a start tag?! 19886 if (DEBUG_BACKUP) { 19887 Slog.e(TAG, "Didn't find start tag during restore"); 19888 } 19889 return; 19890 } 19891Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 19892 // this is supposed to be TAG_PREFERRED_BACKUP 19893 if (!expectedStartTag.equals(parser.getName())) { 19894 if (DEBUG_BACKUP) { 19895 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 19896 } 19897 return; 19898 } 19899 19900 // skip interfering stuff, then we're aligned with the backing implementation 19901 while ((type = parser.next()) == XmlPullParser.TEXT) { } 19902Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 19903 functor.apply(parser, userId); 19904 } 19905 19906 private interface BlobXmlRestorer { 19907 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 19908 } 19909 19910 /** 19911 * Non-Binder method, support for the backup/restore mechanism: write the 19912 * full set of preferred activities in its canonical XML format. Returns the 19913 * XML output as a byte array, or null if there is none. 19914 */ 19915 @Override 19916 public byte[] getPreferredActivityBackup(int userId) { 19917 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19918 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 19919 } 19920 19921 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19922 try { 19923 final XmlSerializer serializer = new FastXmlSerializer(); 19924 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19925 serializer.startDocument(null, true); 19926 serializer.startTag(null, TAG_PREFERRED_BACKUP); 19927 19928 synchronized (mPackages) { 19929 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 19930 } 19931 19932 serializer.endTag(null, TAG_PREFERRED_BACKUP); 19933 serializer.endDocument(); 19934 serializer.flush(); 19935 } catch (Exception e) { 19936 if (DEBUG_BACKUP) { 19937 Slog.e(TAG, "Unable to write preferred activities for backup", e); 19938 } 19939 return null; 19940 } 19941 19942 return dataStream.toByteArray(); 19943 } 19944 19945 @Override 19946 public void restorePreferredActivities(byte[] backup, int userId) { 19947 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19948 throw new SecurityException("Only the system may call restorePreferredActivities()"); 19949 } 19950 19951 try { 19952 final XmlPullParser parser = Xml.newPullParser(); 19953 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19954 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 19955 new BlobXmlRestorer() { 19956 @Override 19957 public void apply(XmlPullParser parser, int userId) 19958 throws XmlPullParserException, IOException { 19959 synchronized (mPackages) { 19960 mSettings.readPreferredActivitiesLPw(parser, userId); 19961 } 19962 } 19963 } ); 19964 } catch (Exception e) { 19965 if (DEBUG_BACKUP) { 19966 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19967 } 19968 } 19969 } 19970 19971 /** 19972 * Non-Binder method, support for the backup/restore mechanism: write the 19973 * default browser (etc) settings in its canonical XML format. Returns the default 19974 * browser XML representation as a byte array, or null if there is none. 19975 */ 19976 @Override 19977 public byte[] getDefaultAppsBackup(int userId) { 19978 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19979 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 19980 } 19981 19982 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19983 try { 19984 final XmlSerializer serializer = new FastXmlSerializer(); 19985 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19986 serializer.startDocument(null, true); 19987 serializer.startTag(null, TAG_DEFAULT_APPS); 19988 19989 synchronized (mPackages) { 19990 mSettings.writeDefaultAppsLPr(serializer, userId); 19991 } 19992 19993 serializer.endTag(null, TAG_DEFAULT_APPS); 19994 serializer.endDocument(); 19995 serializer.flush(); 19996 } catch (Exception e) { 19997 if (DEBUG_BACKUP) { 19998 Slog.e(TAG, "Unable to write default apps for backup", e); 19999 } 20000 return null; 20001 } 20002 20003 return dataStream.toByteArray(); 20004 } 20005 20006 @Override 20007 public void restoreDefaultApps(byte[] backup, int userId) { 20008 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 20009 throw new SecurityException("Only the system may call restoreDefaultApps()"); 20010 } 20011 20012 try { 20013 final XmlPullParser parser = Xml.newPullParser(); 20014 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 20015 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 20016 new BlobXmlRestorer() { 20017 @Override 20018 public void apply(XmlPullParser parser, int userId) 20019 throws XmlPullParserException, IOException { 20020 synchronized (mPackages) { 20021 mSettings.readDefaultAppsLPw(parser, userId); 20022 } 20023 } 20024 } ); 20025 } catch (Exception e) { 20026 if (DEBUG_BACKUP) { 20027 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 20028 } 20029 } 20030 } 20031 20032 @Override 20033 public byte[] getIntentFilterVerificationBackup(int userId) { 20034 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 20035 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 20036 } 20037 20038 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 20039 try { 20040 final XmlSerializer serializer = new FastXmlSerializer(); 20041 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 20042 serializer.startDocument(null, true); 20043 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 20044 20045 synchronized (mPackages) { 20046 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 20047 } 20048 20049 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 20050 serializer.endDocument(); 20051 serializer.flush(); 20052 } catch (Exception e) { 20053 if (DEBUG_BACKUP) { 20054 Slog.e(TAG, "Unable to write default apps for backup", e); 20055 } 20056 return null; 20057 } 20058 20059 return dataStream.toByteArray(); 20060 } 20061 20062 @Override 20063 public void restoreIntentFilterVerification(byte[] backup, int userId) { 20064 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 20065 throw new SecurityException("Only the system may call restorePreferredActivities()"); 20066 } 20067 20068 try { 20069 final XmlPullParser parser = Xml.newPullParser(); 20070 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 20071 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 20072 new BlobXmlRestorer() { 20073 @Override 20074 public void apply(XmlPullParser parser, int userId) 20075 throws XmlPullParserException, IOException { 20076 synchronized (mPackages) { 20077 mSettings.readAllDomainVerificationsLPr(parser, userId); 20078 mSettings.writeLPr(); 20079 } 20080 } 20081 } ); 20082 } catch (Exception e) { 20083 if (DEBUG_BACKUP) { 20084 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 20085 } 20086 } 20087 } 20088 20089 @Override 20090 public byte[] getPermissionGrantBackup(int userId) { 20091 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 20092 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 20093 } 20094 20095 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 20096 try { 20097 final XmlSerializer serializer = new FastXmlSerializer(); 20098 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 20099 serializer.startDocument(null, true); 20100 serializer.startTag(null, TAG_PERMISSION_BACKUP); 20101 20102 synchronized (mPackages) { 20103 serializeRuntimePermissionGrantsLPr(serializer, userId); 20104 } 20105 20106 serializer.endTag(null, TAG_PERMISSION_BACKUP); 20107 serializer.endDocument(); 20108 serializer.flush(); 20109 } catch (Exception e) { 20110 if (DEBUG_BACKUP) { 20111 Slog.e(TAG, "Unable to write default apps for backup", e); 20112 } 20113 return null; 20114 } 20115 20116 return dataStream.toByteArray(); 20117 } 20118 20119 @Override 20120 public void restorePermissionGrants(byte[] backup, int userId) { 20121 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 20122 throw new SecurityException("Only the system may call restorePermissionGrants()"); 20123 } 20124 20125 try { 20126 final XmlPullParser parser = Xml.newPullParser(); 20127 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 20128 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 20129 new BlobXmlRestorer() { 20130 @Override 20131 public void apply(XmlPullParser parser, int userId) 20132 throws XmlPullParserException, IOException { 20133 synchronized (mPackages) { 20134 processRestoredPermissionGrantsLPr(parser, userId); 20135 } 20136 } 20137 } ); 20138 } catch (Exception e) { 20139 if (DEBUG_BACKUP) { 20140 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 20141 } 20142 } 20143 } 20144 20145 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 20146 throws IOException { 20147 serializer.startTag(null, TAG_ALL_GRANTS); 20148 20149 final int N = mSettings.mPackages.size(); 20150 for (int i = 0; i < N; i++) { 20151 final PackageSetting ps = mSettings.mPackages.valueAt(i); 20152 boolean pkgGrantsKnown = false; 20153 20154 PermissionsState packagePerms = ps.getPermissionsState(); 20155 20156 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 20157 final int grantFlags = state.getFlags(); 20158 // only look at grants that are not system/policy fixed 20159 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 20160 final boolean isGranted = state.isGranted(); 20161 // And only back up the user-twiddled state bits 20162 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 20163 final String packageName = mSettings.mPackages.keyAt(i); 20164 if (!pkgGrantsKnown) { 20165 serializer.startTag(null, TAG_GRANT); 20166 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 20167 pkgGrantsKnown = true; 20168 } 20169 20170 final boolean userSet = 20171 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 20172 final boolean userFixed = 20173 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 20174 final boolean revoke = 20175 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 20176 20177 serializer.startTag(null, TAG_PERMISSION); 20178 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 20179 if (isGranted) { 20180 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 20181 } 20182 if (userSet) { 20183 serializer.attribute(null, ATTR_USER_SET, "true"); 20184 } 20185 if (userFixed) { 20186 serializer.attribute(null, ATTR_USER_FIXED, "true"); 20187 } 20188 if (revoke) { 20189 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 20190 } 20191 serializer.endTag(null, TAG_PERMISSION); 20192 } 20193 } 20194 } 20195 20196 if (pkgGrantsKnown) { 20197 serializer.endTag(null, TAG_GRANT); 20198 } 20199 } 20200 20201 serializer.endTag(null, TAG_ALL_GRANTS); 20202 } 20203 20204 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 20205 throws XmlPullParserException, IOException { 20206 String pkgName = null; 20207 int outerDepth = parser.getDepth(); 20208 int type; 20209 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 20210 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 20211 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 20212 continue; 20213 } 20214 20215 final String tagName = parser.getName(); 20216 if (tagName.equals(TAG_GRANT)) { 20217 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 20218 if (DEBUG_BACKUP) { 20219 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 20220 } 20221 } else if (tagName.equals(TAG_PERMISSION)) { 20222 20223 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 20224 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 20225 20226 int newFlagSet = 0; 20227 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 20228 newFlagSet |= FLAG_PERMISSION_USER_SET; 20229 } 20230 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 20231 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 20232 } 20233 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 20234 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 20235 } 20236 if (DEBUG_BACKUP) { 20237 Slog.v(TAG, " + Restoring grant:" 20238 + " pkg=" + pkgName 20239 + " perm=" + permName 20240 + " granted=" + isGranted 20241 + " bits=0x" + Integer.toHexString(newFlagSet)); 20242 } 20243 final PackageSetting ps = mSettings.mPackages.get(pkgName); 20244 if (ps != null) { 20245 // Already installed so we apply the grant immediately 20246 if (DEBUG_BACKUP) { 20247 Slog.v(TAG, " + already installed; applying"); 20248 } 20249 PermissionsState perms = ps.getPermissionsState(); 20250 BasePermission bp = 20251 (BasePermission) mPermissionManager.getPermissionTEMP(permName); 20252 if (bp != null) { 20253 if (isGranted) { 20254 perms.grantRuntimePermission(bp, userId); 20255 } 20256 if (newFlagSet != 0) { 20257 perms.updatePermissionFlags( 20258 bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 20259 } 20260 } 20261 } else { 20262 // Need to wait for post-restore install to apply the grant 20263 if (DEBUG_BACKUP) { 20264 Slog.v(TAG, " - not yet installed; saving for later"); 20265 } 20266 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 20267 isGranted, newFlagSet, userId); 20268 } 20269 } else { 20270 PackageManagerService.reportSettingsProblem(Log.WARN, 20271 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 20272 XmlUtils.skipCurrentTag(parser); 20273 } 20274 } 20275 20276 scheduleWriteSettingsLocked(); 20277 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 20278 } 20279 20280 @Override 20281 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 20282 int sourceUserId, int targetUserId, int flags) { 20283 mContext.enforceCallingOrSelfPermission( 20284 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 20285 int callingUid = Binder.getCallingUid(); 20286 enforceOwnerRights(ownerPackage, callingUid); 20287 PackageManagerServiceUtils.enforceShellRestriction( 20288 UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 20289 if (intentFilter.countActions() == 0) { 20290 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 20291 return; 20292 } 20293 synchronized (mPackages) { 20294 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 20295 ownerPackage, targetUserId, flags); 20296 CrossProfileIntentResolver resolver = 20297 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 20298 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 20299 // We have all those whose filter is equal. Now checking if the rest is equal as well. 20300 if (existing != null) { 20301 int size = existing.size(); 20302 for (int i = 0; i < size; i++) { 20303 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 20304 return; 20305 } 20306 } 20307 } 20308 resolver.addFilter(newFilter); 20309 scheduleWritePackageRestrictionsLocked(sourceUserId); 20310 } 20311 } 20312 20313 @Override 20314 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 20315 mContext.enforceCallingOrSelfPermission( 20316 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 20317 final int callingUid = Binder.getCallingUid(); 20318 enforceOwnerRights(ownerPackage, callingUid); 20319 PackageManagerServiceUtils.enforceShellRestriction( 20320 UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 20321 synchronized (mPackages) { 20322 CrossProfileIntentResolver resolver = 20323 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 20324 ArraySet<CrossProfileIntentFilter> set = 20325 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 20326 for (CrossProfileIntentFilter filter : set) { 20327 if (filter.getOwnerPackage().equals(ownerPackage)) { 20328 resolver.removeFilter(filter); 20329 } 20330 } 20331 scheduleWritePackageRestrictionsLocked(sourceUserId); 20332 } 20333 } 20334 20335 // Enforcing that callingUid is owning pkg on userId 20336 private void enforceOwnerRights(String pkg, int callingUid) { 20337 // The system owns everything. 20338 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 20339 return; 20340 } 20341 final int callingUserId = UserHandle.getUserId(callingUid); 20342 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 20343 if (pi == null) { 20344 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 20345 + callingUserId); 20346 } 20347 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 20348 throw new SecurityException("Calling uid " + callingUid 20349 + " does not own package " + pkg); 20350 } 20351 } 20352 20353 @Override 20354 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 20355 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 20356 return null; 20357 } 20358 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 20359 } 20360 20361 public void sendSessionCommitBroadcast(PackageInstaller.SessionInfo sessionInfo, int userId) { 20362 UserManagerService ums = UserManagerService.getInstance(); 20363 if (ums != null) { 20364 final UserInfo parent = ums.getProfileParent(userId); 20365 final int launcherUid = (parent != null) ? parent.id : userId; 20366 final ComponentName launcherComponent = getDefaultHomeActivity(launcherUid); 20367 if (launcherComponent != null) { 20368 Intent launcherIntent = new Intent(PackageInstaller.ACTION_SESSION_COMMITTED) 20369 .putExtra(PackageInstaller.EXTRA_SESSION, sessionInfo) 20370 .putExtra(Intent.EXTRA_USER, UserHandle.of(userId)) 20371 .setPackage(launcherComponent.getPackageName()); 20372 mContext.sendBroadcastAsUser(launcherIntent, UserHandle.of(launcherUid)); 20373 } 20374 } 20375 } 20376 20377 /** 20378 * Report the 'Home' activity which is currently set as "always use this one". If non is set 20379 * then reports the most likely home activity or null if there are more than one. 20380 */ 20381 private ComponentName getDefaultHomeActivity(int userId) { 20382 List<ResolveInfo> allHomeCandidates = new ArrayList<>(); 20383 ComponentName cn = getHomeActivitiesAsUser(allHomeCandidates, userId); 20384 if (cn != null) { 20385 return cn; 20386 } 20387 20388 // Find the launcher with the highest priority and return that component if there are no 20389 // other home activity with the same priority. 20390 int lastPriority = Integer.MIN_VALUE; 20391 ComponentName lastComponent = null; 20392 final int size = allHomeCandidates.size(); 20393 for (int i = 0; i < size; i++) { 20394 final ResolveInfo ri = allHomeCandidates.get(i); 20395 if (ri.priority > lastPriority) { 20396 lastComponent = ri.activityInfo.getComponentName(); 20397 lastPriority = ri.priority; 20398 } else if (ri.priority == lastPriority) { 20399 // Two components found with same priority. 20400 lastComponent = null; 20401 } 20402 } 20403 return lastComponent; 20404 } 20405 20406 private Intent getHomeIntent() { 20407 Intent intent = new Intent(Intent.ACTION_MAIN); 20408 intent.addCategory(Intent.CATEGORY_HOME); 20409 intent.addCategory(Intent.CATEGORY_DEFAULT); 20410 return intent; 20411 } 20412 20413 private IntentFilter getHomeFilter() { 20414 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 20415 filter.addCategory(Intent.CATEGORY_HOME); 20416 filter.addCategory(Intent.CATEGORY_DEFAULT); 20417 return filter; 20418 } 20419 20420 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 20421 int userId) { 20422 Intent intent = getHomeIntent(); 20423 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 20424 PackageManager.GET_META_DATA, userId); 20425 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 20426 true, false, false, userId); 20427 20428 allHomeCandidates.clear(); 20429 if (list != null) { 20430 for (ResolveInfo ri : list) { 20431 allHomeCandidates.add(ri); 20432 } 20433 } 20434 return (preferred == null || preferred.activityInfo == null) 20435 ? null 20436 : new ComponentName(preferred.activityInfo.packageName, 20437 preferred.activityInfo.name); 20438 } 20439 20440 @Override 20441 public void setHomeActivity(ComponentName comp, int userId) { 20442 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 20443 return; 20444 } 20445 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 20446 getHomeActivitiesAsUser(homeActivities, userId); 20447 20448 boolean found = false; 20449 20450 final int size = homeActivities.size(); 20451 final ComponentName[] set = new ComponentName[size]; 20452 for (int i = 0; i < size; i++) { 20453 final ResolveInfo candidate = homeActivities.get(i); 20454 final ActivityInfo info = candidate.activityInfo; 20455 final ComponentName activityName = new ComponentName(info.packageName, info.name); 20456 set[i] = activityName; 20457 if (!found && activityName.equals(comp)) { 20458 found = true; 20459 } 20460 } 20461 if (!found) { 20462 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 20463 + userId); 20464 } 20465 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 20466 set, comp, userId); 20467 } 20468 20469 private @Nullable String getSetupWizardPackageName() { 20470 final Intent intent = new Intent(Intent.ACTION_MAIN); 20471 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 20472 20473 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 20474 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 20475 | MATCH_DISABLED_COMPONENTS, 20476 UserHandle.myUserId()); 20477 if (matches.size() == 1) { 20478 return matches.get(0).getComponentInfo().packageName; 20479 } else { 20480 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 20481 + ": matches=" + matches); 20482 return null; 20483 } 20484 } 20485 20486 private @Nullable String getStorageManagerPackageName() { 20487 final Intent intent = new Intent(StorageManager.ACTION_MANAGE_STORAGE); 20488 20489 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 20490 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 20491 | MATCH_DISABLED_COMPONENTS, 20492 UserHandle.myUserId()); 20493 if (matches.size() == 1) { 20494 return matches.get(0).getComponentInfo().packageName; 20495 } else { 20496 Slog.e(TAG, "There should probably be exactly one storage manager; found " 20497 + matches.size() + ": matches=" + matches); 20498 return null; 20499 } 20500 } 20501 20502 @Override 20503 public String getSystemTextClassifierPackageName() { 20504 return mContext.getString(R.string.config_defaultTextClassifierPackage); 20505 } 20506 20507 @Override 20508 public void setApplicationEnabledSetting(String appPackageName, 20509 int newState, int flags, int userId, String callingPackage) { 20510 if (!sUserManager.exists(userId)) return; 20511 if (callingPackage == null) { 20512 callingPackage = Integer.toString(Binder.getCallingUid()); 20513 } 20514 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 20515 } 20516 20517 @Override 20518 public void setUpdateAvailable(String packageName, boolean updateAvailable) { 20519 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 20520 synchronized (mPackages) { 20521 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 20522 if (pkgSetting != null) { 20523 pkgSetting.setUpdateAvailable(updateAvailable); 20524 } 20525 } 20526 } 20527 20528 @Override 20529 public void setComponentEnabledSetting(ComponentName componentName, 20530 int newState, int flags, int userId) { 20531 if (!sUserManager.exists(userId)) return; 20532 setEnabledSetting(componentName.getPackageName(), 20533 componentName.getClassName(), newState, flags, userId, null); 20534 } 20535 20536 private void setEnabledSetting(final String packageName, String className, int newState, 20537 final int flags, int userId, String callingPackage) { 20538 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 20539 || newState == COMPONENT_ENABLED_STATE_ENABLED 20540 || newState == COMPONENT_ENABLED_STATE_DISABLED 20541 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 20542 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 20543 throw new IllegalArgumentException("Invalid new component state: " 20544 + newState); 20545 } 20546 PackageSetting pkgSetting; 20547 final int callingUid = Binder.getCallingUid(); 20548 final int permission; 20549 if (callingUid == Process.SYSTEM_UID) { 20550 permission = PackageManager.PERMISSION_GRANTED; 20551 } else { 20552 permission = mContext.checkCallingOrSelfPermission( 20553 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 20554 } 20555 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 20556 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 20557 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 20558 boolean sendNow = false; 20559 boolean isApp = (className == null); 20560 final boolean isCallerInstantApp = (getInstantAppPackageName(callingUid) != null); 20561 String componentName = isApp ? packageName : className; 20562 int packageUid = -1; 20563 ArrayList<String> components; 20564 20565 // reader 20566 synchronized (mPackages) { 20567 pkgSetting = mSettings.mPackages.get(packageName); 20568 if (pkgSetting == null) { 20569 if (!isCallerInstantApp) { 20570 if (className == null) { 20571 throw new IllegalArgumentException("Unknown package: " + packageName); 20572 } 20573 throw new IllegalArgumentException( 20574 "Unknown component: " + packageName + "/" + className); 20575 } else { 20576 // throw SecurityException to prevent leaking package information 20577 throw new SecurityException( 20578 "Attempt to change component state; " 20579 + "pid=" + Binder.getCallingPid() 20580 + ", uid=" + callingUid 20581 + (className == null 20582 ? ", package=" + packageName 20583 : ", component=" + packageName + "/" + className)); 20584 } 20585 } 20586 } 20587 20588 // Limit who can change which apps 20589 if (!UserHandle.isSameApp(callingUid, pkgSetting.appId)) { 20590 // Don't allow apps that don't have permission to modify other apps 20591 if (!allowedByPermission 20592 || filterAppAccessLPr(pkgSetting, callingUid, userId)) { 20593 throw new SecurityException( 20594 "Attempt to change component state; " 20595 + "pid=" + Binder.getCallingPid() 20596 + ", uid=" + callingUid 20597 + (className == null 20598 ? ", package=" + packageName 20599 : ", component=" + packageName + "/" + className)); 20600 } 20601 // Don't allow changing protected packages. 20602 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 20603 throw new SecurityException("Cannot disable a protected package: " + packageName); 20604 } 20605 } 20606 20607 synchronized (mPackages) { 20608 if (callingUid == Process.SHELL_UID 20609 && (pkgSetting.pkgFlags & ApplicationInfo.FLAG_TEST_ONLY) == 0) { 20610 // Shell can only change whole packages between ENABLED and DISABLED_USER states 20611 // unless it is a test package. 20612 int oldState = pkgSetting.getEnabled(userId); 20613 if (className == null 20614 && 20615 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 20616 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 20617 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 20618 && 20619 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 20620 || newState == COMPONENT_ENABLED_STATE_DEFAULT 20621 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 20622 // ok 20623 } else { 20624 throw new SecurityException( 20625 "Shell cannot change component state for " + packageName + "/" 20626 + className + " to " + newState); 20627 } 20628 } 20629 } 20630 if (className == null) { 20631 // We're dealing with an application/package level state change 20632 synchronized (mPackages) { 20633 if (pkgSetting.getEnabled(userId) == newState) { 20634 // Nothing to do 20635 return; 20636 } 20637 } 20638 // If we're enabling a system stub, there's a little more work to do. 20639 // Prior to enabling the package, we need to decompress the APK(s) to the 20640 // data partition and then replace the version on the system partition. 20641 final PackageParser.Package deletedPkg = pkgSetting.pkg; 20642 final boolean isSystemStub = deletedPkg.isStub 20643 && deletedPkg.isSystem(); 20644 if (isSystemStub 20645 && (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 20646 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED)) { 20647 final File codePath = decompressPackage(deletedPkg); 20648 if (codePath == null) { 20649 Slog.e(TAG, "couldn't decompress pkg: " + pkgSetting.name); 20650 return; 20651 } 20652 // TODO remove direct parsing of the package object during internal cleanup 20653 // of scan package 20654 // We need to call parse directly here for no other reason than we need 20655 // the new package in order to disable the old one [we use the information 20656 // for some internal optimization to optionally create a new package setting 20657 // object on replace]. However, we can't get the package from the scan 20658 // because the scan modifies live structures and we need to remove the 20659 // old [system] package from the system before a scan can be attempted. 20660 // Once scan is indempotent we can remove this parse and use the package 20661 // object we scanned, prior to adding it to package settings. 20662 final PackageParser pp = new PackageParser(); 20663 pp.setSeparateProcesses(mSeparateProcesses); 20664 pp.setDisplayMetrics(mMetrics); 20665 pp.setCallback(mPackageParserCallback); 20666 final PackageParser.Package tmpPkg; 20667 try { 20668 final @ParseFlags int parseFlags = mDefParseFlags 20669 | PackageParser.PARSE_MUST_BE_APK 20670 | PackageParser.PARSE_IS_SYSTEM_DIR; 20671 tmpPkg = pp.parsePackage(codePath, parseFlags); 20672 } catch (PackageParserException e) { 20673 Slog.w(TAG, "Failed to parse compressed system package:" + pkgSetting.name, e); 20674 return; 20675 } 20676 synchronized (mInstallLock) { 20677 // Disable the stub and remove any package entries 20678 removePackageLI(deletedPkg, true); 20679 synchronized (mPackages) { 20680 disableSystemPackageLPw(deletedPkg, tmpPkg); 20681 } 20682 final PackageParser.Package pkg; 20683 try (PackageFreezer freezer = 20684 freezePackage(deletedPkg.packageName, "setEnabledSetting")) { 20685 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 20686 | PackageParser.PARSE_ENFORCE_CODE; 20687 pkg = scanPackageTracedLI(codePath, parseFlags, 0 /*scanFlags*/, 20688 0 /*currentTime*/, null /*user*/); 20689 prepareAppDataAfterInstallLIF(pkg); 20690 synchronized (mPackages) { 20691 try { 20692 updateSharedLibrariesLPr(pkg, null); 20693 } catch (PackageManagerException e) { 20694 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: ", e); 20695 } 20696 mPermissionManager.updatePermissions( 20697 pkg.packageName, pkg, true, mPackages.values(), 20698 mPermissionCallback); 20699 mSettings.writeLPr(); 20700 } 20701 } catch (PackageManagerException e) { 20702 // Whoops! Something went wrong; try to roll back to the stub 20703 Slog.w(TAG, "Failed to install compressed system package:" 20704 + pkgSetting.name, e); 20705 // Remove the failed install 20706 removeCodePathLI(codePath); 20707 20708 // Install the system package 20709 try (PackageFreezer freezer = 20710 freezePackage(deletedPkg.packageName, "setEnabledSetting")) { 20711 synchronized (mPackages) { 20712 // NOTE: The system package always needs to be enabled; even 20713 // if it's for a compressed stub. If we don't, installing the 20714 // system package fails during scan [scanning checks the disabled 20715 // packages]. We will reverse this later, after we've "installed" 20716 // the stub. 20717 // This leaves us in a fragile state; the stub should never be 20718 // enabled, so, cross your fingers and hope nothing goes wrong 20719 // until we can disable the package later. 20720 enableSystemPackageLPw(deletedPkg); 20721 } 20722 installPackageFromSystemLIF(deletedPkg.codePath, 20723 false /*isPrivileged*/, null /*allUserHandles*/, 20724 null /*origUserHandles*/, null /*origPermissionsState*/, 20725 true /*writeSettings*/); 20726 } catch (PackageManagerException pme) { 20727 Slog.w(TAG, "Failed to restore system package:" 20728 + deletedPkg.packageName, pme); 20729 } finally { 20730 synchronized (mPackages) { 20731 mSettings.disableSystemPackageLPw( 20732 deletedPkg.packageName, true /*replaced*/); 20733 mSettings.writeLPr(); 20734 } 20735 } 20736 return; 20737 } 20738 clearAppDataLIF(pkg, UserHandle.USER_ALL, FLAG_STORAGE_DE 20739 | FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 20740 mDexManager.notifyPackageUpdated(pkg.packageName, 20741 pkg.baseCodePath, pkg.splitCodePaths); 20742 } 20743 } 20744 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 20745 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 20746 // Don't care about who enables an app. 20747 callingPackage = null; 20748 } 20749 synchronized (mPackages) { 20750 pkgSetting.setEnabled(newState, userId, callingPackage); 20751 } 20752 } else { 20753 synchronized (mPackages) { 20754 // We're dealing with a component level state change 20755 // First, verify that this is a valid class name. 20756 PackageParser.Package pkg = pkgSetting.pkg; 20757 if (pkg == null || !pkg.hasComponentClassName(className)) { 20758 if (pkg != null && 20759 pkg.applicationInfo.targetSdkVersion >= 20760 Build.VERSION_CODES.JELLY_BEAN) { 20761 throw new IllegalArgumentException("Component class " + className 20762 + " does not exist in " + packageName); 20763 } else { 20764 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 20765 + className + " does not exist in " + packageName); 20766 } 20767 } 20768 switch (newState) { 20769 case COMPONENT_ENABLED_STATE_ENABLED: 20770 if (!pkgSetting.enableComponentLPw(className, userId)) { 20771 return; 20772 } 20773 break; 20774 case COMPONENT_ENABLED_STATE_DISABLED: 20775 if (!pkgSetting.disableComponentLPw(className, userId)) { 20776 return; 20777 } 20778 break; 20779 case COMPONENT_ENABLED_STATE_DEFAULT: 20780 if (!pkgSetting.restoreComponentLPw(className, userId)) { 20781 return; 20782 } 20783 break; 20784 default: 20785 Slog.e(TAG, "Invalid new component state: " + newState); 20786 return; 20787 } 20788 } 20789 } 20790 synchronized (mPackages) { 20791 scheduleWritePackageRestrictionsLocked(userId); 20792 updateSequenceNumberLP(pkgSetting, new int[] { userId }); 20793 final long callingId = Binder.clearCallingIdentity(); 20794 try { 20795 updateInstantAppInstallerLocked(packageName); 20796 } finally { 20797 Binder.restoreCallingIdentity(callingId); 20798 } 20799 components = mPendingBroadcasts.get(userId, packageName); 20800 final boolean newPackage = components == null; 20801 if (newPackage) { 20802 components = new ArrayList<String>(); 20803 } 20804 if (!components.contains(componentName)) { 20805 components.add(componentName); 20806 } 20807 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 20808 sendNow = true; 20809 // Purge entry from pending broadcast list if another one exists already 20810 // since we are sending one right away. 20811 mPendingBroadcasts.remove(userId, packageName); 20812 } else { 20813 if (newPackage) { 20814 mPendingBroadcasts.put(userId, packageName, components); 20815 } 20816 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 20817 // Schedule a message 20818 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 20819 } 20820 } 20821 } 20822 20823 long callingId = Binder.clearCallingIdentity(); 20824 try { 20825 if (sendNow) { 20826 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 20827 sendPackageChangedBroadcast(packageName, 20828 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 20829 } 20830 } finally { 20831 Binder.restoreCallingIdentity(callingId); 20832 } 20833 } 20834 20835 @Override 20836 public void flushPackageRestrictionsAsUser(int userId) { 20837 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 20838 return; 20839 } 20840 if (!sUserManager.exists(userId)) { 20841 return; 20842 } 20843 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 20844 false /* checkShell */, "flushPackageRestrictions"); 20845 synchronized (mPackages) { 20846 mSettings.writePackageRestrictionsLPr(userId); 20847 mDirtyUsers.remove(userId); 20848 if (mDirtyUsers.isEmpty()) { 20849 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 20850 } 20851 } 20852 } 20853 20854 private void sendPackageChangedBroadcast(String packageName, 20855 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 20856 if (DEBUG_INSTALL) 20857 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 20858 + componentNames); 20859 Bundle extras = new Bundle(4); 20860 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 20861 String nameList[] = new String[componentNames.size()]; 20862 componentNames.toArray(nameList); 20863 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 20864 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 20865 extras.putInt(Intent.EXTRA_UID, packageUid); 20866 // If this is not reporting a change of the overall package, then only send it 20867 // to registered receivers. We don't want to launch a swath of apps for every 20868 // little component state change. 20869 final int flags = !componentNames.contains(packageName) 20870 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 20871 final int userId = UserHandle.getUserId(packageUid); 20872 final boolean isInstantApp = isInstantApp(packageName, userId); 20873 final int[] userIds = isInstantApp ? EMPTY_INT_ARRAY : new int[] { userId }; 20874 final int[] instantUserIds = isInstantApp ? new int[] { userId } : EMPTY_INT_ARRAY; 20875 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 20876 userIds, instantUserIds); 20877 } 20878 20879 @Override 20880 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 20881 if (!sUserManager.exists(userId)) return; 20882 final int callingUid = Binder.getCallingUid(); 20883 if (getInstantAppPackageName(callingUid) != null) { 20884 return; 20885 } 20886 final int permission = mContext.checkCallingOrSelfPermission( 20887 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 20888 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 20889 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 20890 true /* requireFullPermission */, true /* checkShell */, "stop package"); 20891 // writer 20892 synchronized (mPackages) { 20893 final PackageSetting ps = mSettings.mPackages.get(packageName); 20894 if (!filterAppAccessLPr(ps, callingUid, userId) 20895 && mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 20896 allowedByPermission, callingUid, userId)) { 20897 scheduleWritePackageRestrictionsLocked(userId); 20898 } 20899 } 20900 } 20901 20902 @Override 20903 public String getInstallerPackageName(String packageName) { 20904 final int callingUid = Binder.getCallingUid(); 20905 synchronized (mPackages) { 20906 final PackageSetting ps = mSettings.mPackages.get(packageName); 20907 if (filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 20908 return null; 20909 } 20910 return mSettings.getInstallerPackageNameLPr(packageName); 20911 } 20912 } 20913 20914 public boolean isOrphaned(String packageName) { 20915 // reader 20916 synchronized (mPackages) { 20917 return mSettings.isOrphaned(packageName); 20918 } 20919 } 20920 20921 @Override 20922 public int getApplicationEnabledSetting(String packageName, int userId) { 20923 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 20924 int callingUid = Binder.getCallingUid(); 20925 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 20926 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 20927 // reader 20928 synchronized (mPackages) { 20929 if (filterAppAccessLPr(mSettings.getPackageLPr(packageName), callingUid, userId)) { 20930 return COMPONENT_ENABLED_STATE_DISABLED; 20931 } 20932 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 20933 } 20934 } 20935 20936 @Override 20937 public int getComponentEnabledSetting(ComponentName component, int userId) { 20938 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 20939 int callingUid = Binder.getCallingUid(); 20940 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 20941 false /*requireFullPermission*/, false /*checkShell*/, "getComponentEnabled"); 20942 synchronized (mPackages) { 20943 if (filterAppAccessLPr(mSettings.getPackageLPr(component.getPackageName()), callingUid, 20944 component, TYPE_UNKNOWN, userId)) { 20945 return COMPONENT_ENABLED_STATE_DISABLED; 20946 } 20947 return mSettings.getComponentEnabledSettingLPr(component, userId); 20948 } 20949 } 20950 20951 @Override 20952 public void enterSafeMode() { 20953 enforceSystemOrRoot("Only the system can request entering safe mode"); 20954 20955 if (!mSystemReady) { 20956 mSafeMode = true; 20957 } 20958 } 20959 20960 @Override 20961 public void systemReady() { 20962 enforceSystemOrRoot("Only the system can claim the system is ready"); 20963 20964 mSystemReady = true; 20965 final ContentResolver resolver = mContext.getContentResolver(); 20966 ContentObserver co = new ContentObserver(mHandler) { 20967 @Override 20968 public void onChange(boolean selfChange) { 20969 mWebInstantAppsDisabled = 20970 (Global.getInt(resolver, Global.ENABLE_EPHEMERAL_FEATURE, 1) == 0) || 20971 (Secure.getInt(resolver, Secure.INSTANT_APPS_ENABLED, 1) == 0); 20972 } 20973 }; 20974 mContext.getContentResolver().registerContentObserver(android.provider.Settings.Global 20975 .getUriFor(Global.ENABLE_EPHEMERAL_FEATURE), 20976 false, co, UserHandle.USER_SYSTEM); 20977 mContext.getContentResolver().registerContentObserver(android.provider.Settings.Secure 20978 .getUriFor(Secure.INSTANT_APPS_ENABLED), false, co, UserHandle.USER_SYSTEM); 20979 co.onChange(true); 20980 20981 // This observer provides an one directional mapping from Global.PRIV_APP_OOB_ENABLED to 20982 // pm.dexopt.priv-apps-oob property. This is only for experiment and should be removed once 20983 // it is done. 20984 ContentObserver privAppOobObserver = new ContentObserver(mHandler) { 20985 @Override 20986 public void onChange(boolean selfChange) { 20987 int oobEnabled = Global.getInt(resolver, Global.PRIV_APP_OOB_ENABLED, 0); 20988 SystemProperties.set(PROPERTY_NAME_PM_DEXOPT_PRIV_APPS_OOB, 20989 oobEnabled == 1 ? "true" : "false"); 20990 } 20991 }; 20992 mContext.getContentResolver().registerContentObserver( 20993 Global.getUriFor(Global.PRIV_APP_OOB_ENABLED), false, privAppOobObserver, 20994 UserHandle.USER_SYSTEM); 20995 // At boot, restore the value from the setting, which persists across reboot. 20996 privAppOobObserver.onChange(true); 20997 20998 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 20999 // disabled after already being started. 21000 CarrierAppUtils.disableCarrierAppsUntilPrivileged(mContext.getOpPackageName(), this, 21001 mContext.getContentResolver(), UserHandle.USER_SYSTEM); 21002 21003 // Read the compatibilty setting when the system is ready. 21004 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 21005 mContext.getContentResolver(), 21006 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 21007 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 21008 if (DEBUG_SETTINGS) { 21009 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 21010 } 21011 21012 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 21013 21014 synchronized (mPackages) { 21015 // Verify that all of the preferred activity components actually 21016 // exist. It is possible for applications to be updated and at 21017 // that point remove a previously declared activity component that 21018 // had been set as a preferred activity. We try to clean this up 21019 // the next time we encounter that preferred activity, but it is 21020 // possible for the user flow to never be able to return to that 21021 // situation so here we do a sanity check to make sure we haven't 21022 // left any junk around. 21023 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 21024 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 21025 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 21026 removed.clear(); 21027 for (PreferredActivity pa : pir.filterSet()) { 21028 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 21029 removed.add(pa); 21030 } 21031 } 21032 if (removed.size() > 0) { 21033 for (int r=0; r<removed.size(); r++) { 21034 PreferredActivity pa = removed.get(r); 21035 Slog.w(TAG, "Removing dangling preferred activity: " 21036 + pa.mPref.mComponent); 21037 pir.removeFilter(pa); 21038 } 21039 mSettings.writePackageRestrictionsLPr( 21040 mSettings.mPreferredActivities.keyAt(i)); 21041 } 21042 } 21043 21044 for (int userId : UserManagerService.getInstance().getUserIds()) { 21045 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 21046 grantPermissionsUserIds = ArrayUtils.appendInt( 21047 grantPermissionsUserIds, userId); 21048 } 21049 } 21050 } 21051 sUserManager.systemReady(); 21052 // If we upgraded grant all default permissions before kicking off. 21053 for (int userId : grantPermissionsUserIds) { 21054 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 21055 } 21056 21057 if (grantPermissionsUserIds == EMPTY_INT_ARRAY) { 21058 // If we did not grant default permissions, we preload from this the 21059 // default permission exceptions lazily to ensure we don't hit the 21060 // disk on a new user creation. 21061 mDefaultPermissionPolicy.scheduleReadDefaultPermissionExceptions(); 21062 } 21063 21064 // Now that we've scanned all packages, and granted any default 21065 // permissions, ensure permissions are updated. Beware of dragons if you 21066 // try optimizing this. 21067 synchronized (mPackages) { 21068 mPermissionManager.updateAllPermissions( 21069 StorageManager.UUID_PRIVATE_INTERNAL, false, mPackages.values(), 21070 mPermissionCallback); 21071 } 21072 21073 // Kick off any messages waiting for system ready 21074 if (mPostSystemReadyMessages != null) { 21075 for (Message msg : mPostSystemReadyMessages) { 21076 msg.sendToTarget(); 21077 } 21078 mPostSystemReadyMessages = null; 21079 } 21080 21081 // Watch for external volumes that come and go over time 21082 final StorageManager storage = mContext.getSystemService(StorageManager.class); 21083 storage.registerListener(mStorageListener); 21084 21085 mInstallerService.systemReady(); 21086 mPackageDexOptimizer.systemReady(); 21087 21088 StorageManagerInternal StorageManagerInternal = LocalServices.getService( 21089 StorageManagerInternal.class); 21090 StorageManagerInternal.addExternalStoragePolicy( 21091 new StorageManagerInternal.ExternalStorageMountPolicy() { 21092 @Override 21093 public int getMountMode(int uid, String packageName) { 21094 if (Process.isIsolated(uid)) { 21095 return Zygote.MOUNT_EXTERNAL_NONE; 21096 } 21097 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 21098 return Zygote.MOUNT_EXTERNAL_DEFAULT; 21099 } 21100 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 21101 return Zygote.MOUNT_EXTERNAL_READ; 21102 } 21103 return Zygote.MOUNT_EXTERNAL_WRITE; 21104 } 21105 21106 @Override 21107 public boolean hasExternalStorage(int uid, String packageName) { 21108 return true; 21109 } 21110 }); 21111 21112 // Now that we're mostly running, clean up stale users and apps 21113 sUserManager.reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 21114 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 21115 21116 mPermissionManager.systemReady(); 21117 21118 if (mInstantAppResolverConnection != null) { 21119 mContext.registerReceiver(new BroadcastReceiver() { 21120 @Override 21121 public void onReceive(Context context, Intent intent) { 21122 mInstantAppResolverConnection.optimisticBind(); 21123 mContext.unregisterReceiver(this); 21124 } 21125 }, new IntentFilter(Intent.ACTION_BOOT_COMPLETED)); 21126 } 21127 } 21128 21129 public void waitForAppDataPrepared() { 21130 if (mPrepareAppDataFuture == null) { 21131 return; 21132 } 21133 ConcurrentUtils.waitForFutureNoInterrupt(mPrepareAppDataFuture, "wait for prepareAppData"); 21134 mPrepareAppDataFuture = null; 21135 } 21136 21137 @Override 21138 public boolean isSafeMode() { 21139 // allow instant applications 21140 return mSafeMode; 21141 } 21142 21143 @Override 21144 public boolean hasSystemUidErrors() { 21145 // allow instant applications 21146 return mHasSystemUidErrors; 21147 } 21148 21149 static String arrayToString(int[] array) { 21150 StringBuffer buf = new StringBuffer(128); 21151 buf.append('['); 21152 if (array != null) { 21153 for (int i=0; i<array.length; i++) { 21154 if (i > 0) buf.append(", "); 21155 buf.append(array[i]); 21156 } 21157 } 21158 buf.append(']'); 21159 return buf.toString(); 21160 } 21161 21162 @Override 21163 public void onShellCommand(FileDescriptor in, FileDescriptor out, 21164 FileDescriptor err, String[] args, ShellCallback callback, 21165 ResultReceiver resultReceiver) { 21166 (new PackageManagerShellCommand(this)).exec( 21167 this, in, out, err, args, callback, resultReceiver); 21168 } 21169 21170 @Override 21171 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 21172 if (!DumpUtils.checkDumpAndUsageStatsPermission(mContext, TAG, pw)) return; 21173 21174 DumpState dumpState = new DumpState(); 21175 boolean fullPreferred = false; 21176 boolean checkin = false; 21177 21178 String packageName = null; 21179 ArraySet<String> permissionNames = null; 21180 21181 int opti = 0; 21182 while (opti < args.length) { 21183 String opt = args[opti]; 21184 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 21185 break; 21186 } 21187 opti++; 21188 21189 if ("-a".equals(opt)) { 21190 // Right now we only know how to print all. 21191 } else if ("-h".equals(opt)) { 21192 pw.println("Package manager dump options:"); 21193 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 21194 pw.println(" --checkin: dump for a checkin"); 21195 pw.println(" -f: print details of intent filters"); 21196 pw.println(" -h: print this help"); 21197 pw.println(" cmd may be one of:"); 21198 pw.println(" l[ibraries]: list known shared libraries"); 21199 pw.println(" f[eatures]: list device features"); 21200 pw.println(" k[eysets]: print known keysets"); 21201 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 21202 pw.println(" perm[issions]: dump permissions"); 21203 pw.println(" permission [name ...]: dump declaration and use of given permission"); 21204 pw.println(" pref[erred]: print preferred package settings"); 21205 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 21206 pw.println(" prov[iders]: dump content providers"); 21207 pw.println(" p[ackages]: dump installed packages"); 21208 pw.println(" s[hared-users]: dump shared user IDs"); 21209 pw.println(" m[essages]: print collected runtime messages"); 21210 pw.println(" v[erifiers]: print package verifier info"); 21211 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 21212 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 21213 pw.println(" version: print database version info"); 21214 pw.println(" write: write current settings now"); 21215 pw.println(" installs: details about install sessions"); 21216 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 21217 pw.println(" dexopt: dump dexopt state"); 21218 pw.println(" compiler-stats: dump compiler statistics"); 21219 pw.println(" service-permissions: dump permissions required by services"); 21220 pw.println(" <package.name>: info about given package"); 21221 return; 21222 } else if ("--checkin".equals(opt)) { 21223 checkin = true; 21224 } else if ("-f".equals(opt)) { 21225 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 21226 } else if ("--proto".equals(opt)) { 21227 dumpProto(fd); 21228 return; 21229 } else { 21230 pw.println("Unknown argument: " + opt + "; use -h for help"); 21231 } 21232 } 21233 21234 // Is the caller requesting to dump a particular piece of data? 21235 if (opti < args.length) { 21236 String cmd = args[opti]; 21237 opti++; 21238 // Is this a package name? 21239 if ("android".equals(cmd) || cmd.contains(".")) { 21240 packageName = cmd; 21241 // When dumping a single package, we always dump all of its 21242 // filter information since the amount of data will be reasonable. 21243 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 21244 } else if ("check-permission".equals(cmd)) { 21245 if (opti >= args.length) { 21246 pw.println("Error: check-permission missing permission argument"); 21247 return; 21248 } 21249 String perm = args[opti]; 21250 opti++; 21251 if (opti >= args.length) { 21252 pw.println("Error: check-permission missing package argument"); 21253 return; 21254 } 21255 21256 String pkg = args[opti]; 21257 opti++; 21258 int user = UserHandle.getUserId(Binder.getCallingUid()); 21259 if (opti < args.length) { 21260 try { 21261 user = Integer.parseInt(args[opti]); 21262 } catch (NumberFormatException e) { 21263 pw.println("Error: check-permission user argument is not a number: " 21264 + args[opti]); 21265 return; 21266 } 21267 } 21268 21269 // Normalize package name to handle renamed packages and static libs 21270 pkg = resolveInternalPackageNameLPr(pkg, PackageManager.VERSION_CODE_HIGHEST); 21271 21272 pw.println(checkPermission(perm, pkg, user)); 21273 return; 21274 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 21275 dumpState.setDump(DumpState.DUMP_LIBS); 21276 } else if ("f".equals(cmd) || "features".equals(cmd)) { 21277 dumpState.setDump(DumpState.DUMP_FEATURES); 21278 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 21279 if (opti >= args.length) { 21280 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 21281 | DumpState.DUMP_SERVICE_RESOLVERS 21282 | DumpState.DUMP_RECEIVER_RESOLVERS 21283 | DumpState.DUMP_CONTENT_RESOLVERS); 21284 } else { 21285 while (opti < args.length) { 21286 String name = args[opti]; 21287 if ("a".equals(name) || "activity".equals(name)) { 21288 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 21289 } else if ("s".equals(name) || "service".equals(name)) { 21290 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 21291 } else if ("r".equals(name) || "receiver".equals(name)) { 21292 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 21293 } else if ("c".equals(name) || "content".equals(name)) { 21294 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 21295 } else { 21296 pw.println("Error: unknown resolver table type: " + name); 21297 return; 21298 } 21299 opti++; 21300 } 21301 } 21302 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 21303 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 21304 } else if ("permission".equals(cmd)) { 21305 if (opti >= args.length) { 21306 pw.println("Error: permission requires permission name"); 21307 return; 21308 } 21309 permissionNames = new ArraySet<>(); 21310 while (opti < args.length) { 21311 permissionNames.add(args[opti]); 21312 opti++; 21313 } 21314 dumpState.setDump(DumpState.DUMP_PERMISSIONS 21315 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 21316 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 21317 dumpState.setDump(DumpState.DUMP_PREFERRED); 21318 } else if ("preferred-xml".equals(cmd)) { 21319 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 21320 if (opti < args.length && "--full".equals(args[opti])) { 21321 fullPreferred = true; 21322 opti++; 21323 } 21324 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 21325 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 21326 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 21327 dumpState.setDump(DumpState.DUMP_PACKAGES); 21328 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 21329 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 21330 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 21331 dumpState.setDump(DumpState.DUMP_PROVIDERS); 21332 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 21333 dumpState.setDump(DumpState.DUMP_MESSAGES); 21334 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 21335 dumpState.setDump(DumpState.DUMP_VERIFIERS); 21336 } else if ("i".equals(cmd) || "ifv".equals(cmd) 21337 || "intent-filter-verifiers".equals(cmd)) { 21338 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 21339 } else if ("version".equals(cmd)) { 21340 dumpState.setDump(DumpState.DUMP_VERSION); 21341 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 21342 dumpState.setDump(DumpState.DUMP_KEYSETS); 21343 } else if ("installs".equals(cmd)) { 21344 dumpState.setDump(DumpState.DUMP_INSTALLS); 21345 } else if ("frozen".equals(cmd)) { 21346 dumpState.setDump(DumpState.DUMP_FROZEN); 21347 } else if ("volumes".equals(cmd)) { 21348 dumpState.setDump(DumpState.DUMP_VOLUMES); 21349 } else if ("dexopt".equals(cmd)) { 21350 dumpState.setDump(DumpState.DUMP_DEXOPT); 21351 } else if ("compiler-stats".equals(cmd)) { 21352 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 21353 } else if ("changes".equals(cmd)) { 21354 dumpState.setDump(DumpState.DUMP_CHANGES); 21355 } else if ("service-permissions".equals(cmd)) { 21356 dumpState.setDump(DumpState.DUMP_SERVICE_PERMISSIONS); 21357 } else if ("write".equals(cmd)) { 21358 synchronized (mPackages) { 21359 mSettings.writeLPr(); 21360 pw.println("Settings written."); 21361 return; 21362 } 21363 } 21364 } 21365 21366 if (checkin) { 21367 pw.println("vers,1"); 21368 } 21369 21370 // reader 21371 synchronized (mPackages) { 21372 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 21373 if (!checkin) { 21374 if (dumpState.onTitlePrinted()) 21375 pw.println(); 21376 pw.println("Database versions:"); 21377 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 21378 } 21379 } 21380 21381 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 21382 if (!checkin) { 21383 if (dumpState.onTitlePrinted()) 21384 pw.println(); 21385 pw.println("Verifiers:"); 21386 pw.print(" Required: "); 21387 pw.print(mRequiredVerifierPackage); 21388 pw.print(" (uid="); 21389 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 21390 UserHandle.USER_SYSTEM)); 21391 pw.println(")"); 21392 } else if (mRequiredVerifierPackage != null) { 21393 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 21394 pw.print(","); 21395 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 21396 UserHandle.USER_SYSTEM)); 21397 } 21398 } 21399 21400 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 21401 packageName == null) { 21402 if (mIntentFilterVerifierComponent != null) { 21403 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 21404 if (!checkin) { 21405 if (dumpState.onTitlePrinted()) 21406 pw.println(); 21407 pw.println("Intent Filter Verifier:"); 21408 pw.print(" Using: "); 21409 pw.print(verifierPackageName); 21410 pw.print(" (uid="); 21411 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 21412 UserHandle.USER_SYSTEM)); 21413 pw.println(")"); 21414 } else if (verifierPackageName != null) { 21415 pw.print("ifv,"); pw.print(verifierPackageName); 21416 pw.print(","); 21417 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 21418 UserHandle.USER_SYSTEM)); 21419 } 21420 } else { 21421 pw.println(); 21422 pw.println("No Intent Filter Verifier available!"); 21423 } 21424 } 21425 21426 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 21427 boolean printedHeader = false; 21428 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 21429 while (it.hasNext()) { 21430 String libName = it.next(); 21431 LongSparseArray<SharedLibraryEntry> versionedLib 21432 = mSharedLibraries.get(libName); 21433 if (versionedLib == null) { 21434 continue; 21435 } 21436 final int versionCount = versionedLib.size(); 21437 for (int i = 0; i < versionCount; i++) { 21438 SharedLibraryEntry libEntry = versionedLib.valueAt(i); 21439 if (!checkin) { 21440 if (!printedHeader) { 21441 if (dumpState.onTitlePrinted()) 21442 pw.println(); 21443 pw.println("Libraries:"); 21444 printedHeader = true; 21445 } 21446 pw.print(" "); 21447 } else { 21448 pw.print("lib,"); 21449 } 21450 pw.print(libEntry.info.getName()); 21451 if (libEntry.info.isStatic()) { 21452 pw.print(" version=" + libEntry.info.getLongVersion()); 21453 } 21454 if (!checkin) { 21455 pw.print(" -> "); 21456 } 21457 if (libEntry.path != null) { 21458 pw.print(" (jar) "); 21459 pw.print(libEntry.path); 21460 } else { 21461 pw.print(" (apk) "); 21462 pw.print(libEntry.apk); 21463 } 21464 pw.println(); 21465 } 21466 } 21467 } 21468 21469 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 21470 if (dumpState.onTitlePrinted()) 21471 pw.println(); 21472 if (!checkin) { 21473 pw.println("Features:"); 21474 } 21475 21476 synchronized (mAvailableFeatures) { 21477 for (FeatureInfo feat : mAvailableFeatures.values()) { 21478 if (checkin) { 21479 pw.print("feat,"); 21480 pw.print(feat.name); 21481 pw.print(","); 21482 pw.println(feat.version); 21483 } else { 21484 pw.print(" "); 21485 pw.print(feat.name); 21486 if (feat.version > 0) { 21487 pw.print(" version="); 21488 pw.print(feat.version); 21489 } 21490 pw.println(); 21491 } 21492 } 21493 } 21494 } 21495 21496 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 21497 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 21498 : "Activity Resolver Table:", " ", packageName, 21499 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 21500 dumpState.setTitlePrinted(true); 21501 } 21502 } 21503 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 21504 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 21505 : "Receiver Resolver Table:", " ", packageName, 21506 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 21507 dumpState.setTitlePrinted(true); 21508 } 21509 } 21510 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 21511 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 21512 : "Service Resolver Table:", " ", packageName, 21513 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 21514 dumpState.setTitlePrinted(true); 21515 } 21516 } 21517 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 21518 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 21519 : "Provider Resolver Table:", " ", packageName, 21520 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 21521 dumpState.setTitlePrinted(true); 21522 } 21523 } 21524 21525 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 21526 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 21527 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 21528 int user = mSettings.mPreferredActivities.keyAt(i); 21529 if (pir.dump(pw, 21530 dumpState.getTitlePrinted() 21531 ? "\nPreferred Activities User " + user + ":" 21532 : "Preferred Activities User " + user + ":", " ", 21533 packageName, true, false)) { 21534 dumpState.setTitlePrinted(true); 21535 } 21536 } 21537 } 21538 21539 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 21540 pw.flush(); 21541 FileOutputStream fout = new FileOutputStream(fd); 21542 BufferedOutputStream str = new BufferedOutputStream(fout); 21543 XmlSerializer serializer = new FastXmlSerializer(); 21544 try { 21545 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 21546 serializer.startDocument(null, true); 21547 serializer.setFeature( 21548 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 21549 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 21550 serializer.endDocument(); 21551 serializer.flush(); 21552 } catch (IllegalArgumentException e) { 21553 pw.println("Failed writing: " + e); 21554 } catch (IllegalStateException e) { 21555 pw.println("Failed writing: " + e); 21556 } catch (IOException e) { 21557 pw.println("Failed writing: " + e); 21558 } 21559 } 21560 21561 if (!checkin 21562 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 21563 && packageName == null) { 21564 pw.println(); 21565 int count = mSettings.mPackages.size(); 21566 if (count == 0) { 21567 pw.println("No applications!"); 21568 pw.println(); 21569 } else { 21570 final String prefix = " "; 21571 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 21572 if (allPackageSettings.size() == 0) { 21573 pw.println("No domain preferred apps!"); 21574 pw.println(); 21575 } else { 21576 pw.println("App verification status:"); 21577 pw.println(); 21578 count = 0; 21579 for (PackageSetting ps : allPackageSettings) { 21580 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 21581 if (ivi == null || ivi.getPackageName() == null) continue; 21582 pw.println(prefix + "Package: " + ivi.getPackageName()); 21583 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 21584 pw.println(prefix + "Status: " + ivi.getStatusString()); 21585 pw.println(); 21586 count++; 21587 } 21588 if (count == 0) { 21589 pw.println(prefix + "No app verification established."); 21590 pw.println(); 21591 } 21592 for (int userId : sUserManager.getUserIds()) { 21593 pw.println("App linkages for user " + userId + ":"); 21594 pw.println(); 21595 count = 0; 21596 for (PackageSetting ps : allPackageSettings) { 21597 final long status = ps.getDomainVerificationStatusForUser(userId); 21598 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED 21599 && !DEBUG_DOMAIN_VERIFICATION) { 21600 continue; 21601 } 21602 pw.println(prefix + "Package: " + ps.name); 21603 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 21604 String statusStr = IntentFilterVerificationInfo. 21605 getStatusStringFromValue(status); 21606 pw.println(prefix + "Status: " + statusStr); 21607 pw.println(); 21608 count++; 21609 } 21610 if (count == 0) { 21611 pw.println(prefix + "No configured app linkages."); 21612 pw.println(); 21613 } 21614 } 21615 } 21616 } 21617 } 21618 21619 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 21620 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 21621 } 21622 21623 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 21624 boolean printedSomething = false; 21625 for (PackageParser.Provider p : mProviders.mProviders.values()) { 21626 if (packageName != null && !packageName.equals(p.info.packageName)) { 21627 continue; 21628 } 21629 if (!printedSomething) { 21630 if (dumpState.onTitlePrinted()) 21631 pw.println(); 21632 pw.println("Registered ContentProviders:"); 21633 printedSomething = true; 21634 } 21635 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 21636 pw.print(" "); pw.println(p.toString()); 21637 } 21638 printedSomething = false; 21639 for (Map.Entry<String, PackageParser.Provider> entry : 21640 mProvidersByAuthority.entrySet()) { 21641 PackageParser.Provider p = entry.getValue(); 21642 if (packageName != null && !packageName.equals(p.info.packageName)) { 21643 continue; 21644 } 21645 if (!printedSomething) { 21646 if (dumpState.onTitlePrinted()) 21647 pw.println(); 21648 pw.println("ContentProvider Authorities:"); 21649 printedSomething = true; 21650 } 21651 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 21652 pw.print(" "); pw.println(p.toString()); 21653 if (p.info != null && p.info.applicationInfo != null) { 21654 final String appInfo = p.info.applicationInfo.toString(); 21655 pw.print(" applicationInfo="); pw.println(appInfo); 21656 } 21657 } 21658 } 21659 21660 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 21661 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 21662 } 21663 21664 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 21665 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 21666 } 21667 21668 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 21669 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 21670 } 21671 21672 if (dumpState.isDumping(DumpState.DUMP_CHANGES)) { 21673 if (dumpState.onTitlePrinted()) pw.println(); 21674 pw.println("Package Changes:"); 21675 pw.print(" Sequence number="); pw.println(mChangedPackagesSequenceNumber); 21676 final int K = mChangedPackages.size(); 21677 for (int i = 0; i < K; i++) { 21678 final SparseArray<String> changes = mChangedPackages.valueAt(i); 21679 pw.print(" User "); pw.print(mChangedPackages.keyAt(i)); pw.println(":"); 21680 final int N = changes.size(); 21681 if (N == 0) { 21682 pw.print(" "); pw.println("No packages changed"); 21683 } else { 21684 for (int j = 0; j < N; j++) { 21685 final String pkgName = changes.valueAt(j); 21686 final int sequenceNumber = changes.keyAt(j); 21687 pw.print(" "); 21688 pw.print("seq="); 21689 pw.print(sequenceNumber); 21690 pw.print(", package="); 21691 pw.println(pkgName); 21692 } 21693 } 21694 } 21695 } 21696 21697 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 21698 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 21699 } 21700 21701 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 21702 // XXX should handle packageName != null by dumping only install data that 21703 // the given package is involved with. 21704 if (dumpState.onTitlePrinted()) pw.println(); 21705 21706 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 21707 ipw.println(); 21708 ipw.println("Frozen packages:"); 21709 ipw.increaseIndent(); 21710 if (mFrozenPackages.size() == 0) { 21711 ipw.println("(none)"); 21712 } else { 21713 for (int i = 0; i < mFrozenPackages.size(); i++) { 21714 ipw.println(mFrozenPackages.valueAt(i)); 21715 } 21716 } 21717 ipw.decreaseIndent(); 21718 } 21719 21720 if (!checkin && dumpState.isDumping(DumpState.DUMP_VOLUMES) && packageName == null) { 21721 if (dumpState.onTitlePrinted()) pw.println(); 21722 21723 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 21724 ipw.println(); 21725 ipw.println("Loaded volumes:"); 21726 ipw.increaseIndent(); 21727 if (mLoadedVolumes.size() == 0) { 21728 ipw.println("(none)"); 21729 } else { 21730 for (int i = 0; i < mLoadedVolumes.size(); i++) { 21731 ipw.println(mLoadedVolumes.valueAt(i)); 21732 } 21733 } 21734 ipw.decreaseIndent(); 21735 } 21736 21737 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_PERMISSIONS) 21738 && packageName == null) { 21739 if (dumpState.onTitlePrinted()) pw.println(); 21740 pw.println("Service permissions:"); 21741 21742 final Iterator<ServiceIntentInfo> filterIterator = mServices.filterIterator(); 21743 while (filterIterator.hasNext()) { 21744 final ServiceIntentInfo info = filterIterator.next(); 21745 final ServiceInfo serviceInfo = info.service.info; 21746 final String permission = serviceInfo.permission; 21747 if (permission != null) { 21748 pw.print(" "); 21749 pw.print(serviceInfo.getComponentName().flattenToShortString()); 21750 pw.print(": "); 21751 pw.println(permission); 21752 } 21753 } 21754 } 21755 21756 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 21757 if (dumpState.onTitlePrinted()) pw.println(); 21758 dumpDexoptStateLPr(pw, packageName); 21759 } 21760 21761 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 21762 if (dumpState.onTitlePrinted()) pw.println(); 21763 dumpCompilerStatsLPr(pw, packageName); 21764 } 21765 21766 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 21767 if (dumpState.onTitlePrinted()) pw.println(); 21768 mSettings.dumpReadMessagesLPr(pw, dumpState); 21769 21770 pw.println(); 21771 pw.println("Package warning messages:"); 21772 dumpCriticalInfo(pw, null); 21773 } 21774 21775 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 21776 dumpCriticalInfo(pw, "msg,"); 21777 } 21778 } 21779 21780 // PackageInstaller should be called outside of mPackages lock 21781 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 21782 // XXX should handle packageName != null by dumping only install data that 21783 // the given package is involved with. 21784 if (dumpState.onTitlePrinted()) pw.println(); 21785 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 21786 } 21787 } 21788 21789 private void dumpProto(FileDescriptor fd) { 21790 final ProtoOutputStream proto = new ProtoOutputStream(fd); 21791 21792 synchronized (mPackages) { 21793 final long requiredVerifierPackageToken = 21794 proto.start(PackageServiceDumpProto.REQUIRED_VERIFIER_PACKAGE); 21795 proto.write(PackageServiceDumpProto.PackageShortProto.NAME, mRequiredVerifierPackage); 21796 proto.write( 21797 PackageServiceDumpProto.PackageShortProto.UID, 21798 getPackageUid( 21799 mRequiredVerifierPackage, 21800 MATCH_DEBUG_TRIAGED_MISSING, 21801 UserHandle.USER_SYSTEM)); 21802 proto.end(requiredVerifierPackageToken); 21803 21804 if (mIntentFilterVerifierComponent != null) { 21805 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 21806 final long verifierPackageToken = 21807 proto.start(PackageServiceDumpProto.VERIFIER_PACKAGE); 21808 proto.write(PackageServiceDumpProto.PackageShortProto.NAME, verifierPackageName); 21809 proto.write( 21810 PackageServiceDumpProto.PackageShortProto.UID, 21811 getPackageUid( 21812 verifierPackageName, 21813 MATCH_DEBUG_TRIAGED_MISSING, 21814 UserHandle.USER_SYSTEM)); 21815 proto.end(verifierPackageToken); 21816 } 21817 21818 dumpSharedLibrariesProto(proto); 21819 dumpFeaturesProto(proto); 21820 mSettings.dumpPackagesProto(proto); 21821 mSettings.dumpSharedUsersProto(proto); 21822 dumpCriticalInfo(proto); 21823 } 21824 proto.flush(); 21825 } 21826 21827 private void dumpFeaturesProto(ProtoOutputStream proto) { 21828 synchronized (mAvailableFeatures) { 21829 final int count = mAvailableFeatures.size(); 21830 for (int i = 0; i < count; i++) { 21831 mAvailableFeatures.valueAt(i).writeToProto(proto, PackageServiceDumpProto.FEATURES); 21832 } 21833 } 21834 } 21835 21836 private void dumpSharedLibrariesProto(ProtoOutputStream proto) { 21837 final int count = mSharedLibraries.size(); 21838 for (int i = 0; i < count; i++) { 21839 final String libName = mSharedLibraries.keyAt(i); 21840 LongSparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(libName); 21841 if (versionedLib == null) { 21842 continue; 21843 } 21844 final int versionCount = versionedLib.size(); 21845 for (int j = 0; j < versionCount; j++) { 21846 final SharedLibraryEntry libEntry = versionedLib.valueAt(j); 21847 final long sharedLibraryToken = 21848 proto.start(PackageServiceDumpProto.SHARED_LIBRARIES); 21849 proto.write(PackageServiceDumpProto.SharedLibraryProto.NAME, libEntry.info.getName()); 21850 final boolean isJar = (libEntry.path != null); 21851 proto.write(PackageServiceDumpProto.SharedLibraryProto.IS_JAR, isJar); 21852 if (isJar) { 21853 proto.write(PackageServiceDumpProto.SharedLibraryProto.PATH, libEntry.path); 21854 } else { 21855 proto.write(PackageServiceDumpProto.SharedLibraryProto.APK, libEntry.apk); 21856 } 21857 proto.end(sharedLibraryToken); 21858 } 21859 } 21860 } 21861 21862 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 21863 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " "); 21864 ipw.println(); 21865 ipw.println("Dexopt state:"); 21866 ipw.increaseIndent(); 21867 Collection<PackageParser.Package> packages = null; 21868 if (packageName != null) { 21869 PackageParser.Package targetPackage = mPackages.get(packageName); 21870 if (targetPackage != null) { 21871 packages = Collections.singletonList(targetPackage); 21872 } else { 21873 ipw.println("Unable to find package: " + packageName); 21874 return; 21875 } 21876 } else { 21877 packages = mPackages.values(); 21878 } 21879 21880 for (PackageParser.Package pkg : packages) { 21881 ipw.println("[" + pkg.packageName + "]"); 21882 ipw.increaseIndent(); 21883 mPackageDexOptimizer.dumpDexoptState(ipw, pkg, 21884 mDexManager.getPackageUseInfoOrDefault(pkg.packageName)); 21885 ipw.decreaseIndent(); 21886 } 21887 } 21888 21889 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 21890 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " "); 21891 ipw.println(); 21892 ipw.println("Compiler stats:"); 21893 ipw.increaseIndent(); 21894 Collection<PackageParser.Package> packages = null; 21895 if (packageName != null) { 21896 PackageParser.Package targetPackage = mPackages.get(packageName); 21897 if (targetPackage != null) { 21898 packages = Collections.singletonList(targetPackage); 21899 } else { 21900 ipw.println("Unable to find package: " + packageName); 21901 return; 21902 } 21903 } else { 21904 packages = mPackages.values(); 21905 } 21906 21907 for (PackageParser.Package pkg : packages) { 21908 ipw.println("[" + pkg.packageName + "]"); 21909 ipw.increaseIndent(); 21910 21911 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 21912 if (stats == null) { 21913 ipw.println("(No recorded stats)"); 21914 } else { 21915 stats.dump(ipw); 21916 } 21917 ipw.decreaseIndent(); 21918 } 21919 } 21920 21921 private String dumpDomainString(String packageName) { 21922 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 21923 .getList(); 21924 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 21925 21926 ArraySet<String> result = new ArraySet<>(); 21927 if (iviList.size() > 0) { 21928 for (IntentFilterVerificationInfo ivi : iviList) { 21929 for (String host : ivi.getDomains()) { 21930 result.add(host); 21931 } 21932 } 21933 } 21934 if (filters != null && filters.size() > 0) { 21935 for (IntentFilter filter : filters) { 21936 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 21937 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 21938 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 21939 result.addAll(filter.getHostsList()); 21940 } 21941 } 21942 } 21943 21944 StringBuilder sb = new StringBuilder(result.size() * 16); 21945 for (String domain : result) { 21946 if (sb.length() > 0) sb.append(" "); 21947 sb.append(domain); 21948 } 21949 return sb.toString(); 21950 } 21951 21952 // ------- apps on sdcard specific code ------- 21953 static final boolean DEBUG_SD_INSTALL = false; 21954 21955 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 21956 21957 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 21958 21959 private boolean mMediaMounted = false; 21960 21961 static String getEncryptKey() { 21962 try { 21963 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 21964 SD_ENCRYPTION_KEYSTORE_NAME); 21965 if (sdEncKey == null) { 21966 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 21967 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 21968 if (sdEncKey == null) { 21969 Slog.e(TAG, "Failed to create encryption keys"); 21970 return null; 21971 } 21972 } 21973 return sdEncKey; 21974 } catch (NoSuchAlgorithmException nsae) { 21975 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 21976 return null; 21977 } catch (IOException ioe) { 21978 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 21979 return null; 21980 } 21981 } 21982 21983 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 21984 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 21985 final int size = infos.size(); 21986 final String[] packageNames = new String[size]; 21987 final int[] packageUids = new int[size]; 21988 for (int i = 0; i < size; i++) { 21989 final ApplicationInfo info = infos.get(i); 21990 packageNames[i] = info.packageName; 21991 packageUids[i] = info.uid; 21992 } 21993 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 21994 finishedReceiver); 21995 } 21996 21997 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 21998 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 21999 sendResourcesChangedBroadcast(mediaStatus, replacing, 22000 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 22001 } 22002 22003 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 22004 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 22005 int size = pkgList.length; 22006 if (size > 0) { 22007 // Send broadcasts here 22008 Bundle extras = new Bundle(); 22009 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 22010 if (uidArr != null) { 22011 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 22012 } 22013 if (replacing) { 22014 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 22015 } 22016 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 22017 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 22018 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null, null); 22019 } 22020 } 22021 22022 private void loadPrivatePackages(final VolumeInfo vol) { 22023 mHandler.post(new Runnable() { 22024 @Override 22025 public void run() { 22026 loadPrivatePackagesInner(vol); 22027 } 22028 }); 22029 } 22030 22031 private void loadPrivatePackagesInner(VolumeInfo vol) { 22032 final String volumeUuid = vol.fsUuid; 22033 if (TextUtils.isEmpty(volumeUuid)) { 22034 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 22035 return; 22036 } 22037 22038 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 22039 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 22040 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 22041 22042 final VersionInfo ver; 22043 final List<PackageSetting> packages; 22044 synchronized (mPackages) { 22045 ver = mSettings.findOrCreateVersion(volumeUuid); 22046 packages = mSettings.getVolumePackagesLPr(volumeUuid); 22047 } 22048 22049 for (PackageSetting ps : packages) { 22050 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 22051 synchronized (mInstallLock) { 22052 final PackageParser.Package pkg; 22053 try { 22054 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 22055 loaded.add(pkg.applicationInfo); 22056 22057 } catch (PackageManagerException e) { 22058 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 22059 } 22060 22061 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 22062 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 22063 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 22064 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 22065 } 22066 } 22067 } 22068 22069 // Reconcile app data for all started/unlocked users 22070 final StorageManager sm = mContext.getSystemService(StorageManager.class); 22071 final UserManager um = mContext.getSystemService(UserManager.class); 22072 UserManagerInternal umInternal = getUserManagerInternal(); 22073 for (UserInfo user : um.getUsers()) { 22074 final int flags; 22075 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 22076 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 22077 } else if (umInternal.isUserRunning(user.id)) { 22078 flags = StorageManager.FLAG_STORAGE_DE; 22079 } else { 22080 continue; 22081 } 22082 22083 try { 22084 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 22085 synchronized (mInstallLock) { 22086 reconcileAppsDataLI(volumeUuid, user.id, flags, true /* migrateAppData */); 22087 } 22088 } catch (IllegalStateException e) { 22089 // Device was probably ejected, and we'll process that event momentarily 22090 Slog.w(TAG, "Failed to prepare storage: " + e); 22091 } 22092 } 22093 22094 synchronized (mPackages) { 22095 final boolean sdkUpdated = (ver.sdkVersion != mSdkVersion); 22096 if (sdkUpdated) { 22097 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 22098 + mSdkVersion + "; regranting permissions for " + volumeUuid); 22099 } 22100 mPermissionManager.updateAllPermissions(volumeUuid, sdkUpdated, mPackages.values(), 22101 mPermissionCallback); 22102 22103 // Yay, everything is now upgraded 22104 ver.forceCurrent(); 22105 22106 mSettings.writeLPr(); 22107 } 22108 22109 for (PackageFreezer freezer : freezers) { 22110 freezer.close(); 22111 } 22112 22113 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 22114 sendResourcesChangedBroadcast(true, false, loaded, null); 22115 mLoadedVolumes.add(vol.getId()); 22116 } 22117 22118 private void unloadPrivatePackages(final VolumeInfo vol) { 22119 mHandler.post(new Runnable() { 22120 @Override 22121 public void run() { 22122 unloadPrivatePackagesInner(vol); 22123 } 22124 }); 22125 } 22126 22127 private void unloadPrivatePackagesInner(VolumeInfo vol) { 22128 final String volumeUuid = vol.fsUuid; 22129 if (TextUtils.isEmpty(volumeUuid)) { 22130 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 22131 return; 22132 } 22133 22134 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 22135 synchronized (mInstallLock) { 22136 synchronized (mPackages) { 22137 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 22138 for (PackageSetting ps : packages) { 22139 if (ps.pkg == null) continue; 22140 22141 final ApplicationInfo info = ps.pkg.applicationInfo; 22142 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 22143 final PackageRemovedInfo outInfo = new PackageRemovedInfo(this); 22144 22145 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 22146 "unloadPrivatePackagesInner")) { 22147 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 22148 false, null)) { 22149 unloaded.add(info); 22150 } else { 22151 Slog.w(TAG, "Failed to unload " + ps.codePath); 22152 } 22153 } 22154 22155 // Try very hard to release any references to this package 22156 // so we don't risk the system server being killed due to 22157 // open FDs 22158 AttributeCache.instance().removePackage(ps.name); 22159 } 22160 22161 mSettings.writeLPr(); 22162 } 22163 } 22164 22165 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 22166 sendResourcesChangedBroadcast(false, false, unloaded, null); 22167 mLoadedVolumes.remove(vol.getId()); 22168 22169 // Try very hard to release any references to this path so we don't risk 22170 // the system server being killed due to open FDs 22171 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 22172 22173 for (int i = 0; i < 3; i++) { 22174 System.gc(); 22175 System.runFinalization(); 22176 } 22177 } 22178 22179 private void assertPackageKnown(String volumeUuid, String packageName) 22180 throws PackageManagerException { 22181 synchronized (mPackages) { 22182 // Normalize package name to handle renamed packages 22183 packageName = normalizePackageNameLPr(packageName); 22184 22185 final PackageSetting ps = mSettings.mPackages.get(packageName); 22186 if (ps == null) { 22187 throw new PackageManagerException("Package " + packageName + " is unknown"); 22188 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 22189 throw new PackageManagerException( 22190 "Package " + packageName + " found on unknown volume " + volumeUuid 22191 + "; expected volume " + ps.volumeUuid); 22192 } 22193 } 22194 } 22195 22196 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 22197 throws PackageManagerException { 22198 synchronized (mPackages) { 22199 // Normalize package name to handle renamed packages 22200 packageName = normalizePackageNameLPr(packageName); 22201 22202 final PackageSetting ps = mSettings.mPackages.get(packageName); 22203 if (ps == null) { 22204 throw new PackageManagerException("Package " + packageName + " is unknown"); 22205 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 22206 throw new PackageManagerException( 22207 "Package " + packageName + " found on unknown volume " + volumeUuid 22208 + "; expected volume " + ps.volumeUuid); 22209 } else if (!ps.getInstalled(userId)) { 22210 throw new PackageManagerException( 22211 "Package " + packageName + " not installed for user " + userId); 22212 } 22213 } 22214 } 22215 22216 private List<String> collectAbsoluteCodePaths() { 22217 synchronized (mPackages) { 22218 List<String> codePaths = new ArrayList<>(); 22219 final int packageCount = mSettings.mPackages.size(); 22220 for (int i = 0; i < packageCount; i++) { 22221 final PackageSetting ps = mSettings.mPackages.valueAt(i); 22222 codePaths.add(ps.codePath.getAbsolutePath()); 22223 } 22224 return codePaths; 22225 } 22226 } 22227 22228 /** 22229 * Examine all apps present on given mounted volume, and destroy apps that 22230 * aren't expected, either due to uninstallation or reinstallation on 22231 * another volume. 22232 */ 22233 private void reconcileApps(String volumeUuid) { 22234 List<String> absoluteCodePaths = collectAbsoluteCodePaths(); 22235 List<File> filesToDelete = null; 22236 22237 final File[] files = FileUtils.listFilesOrEmpty( 22238 Environment.getDataAppDirectory(volumeUuid)); 22239 for (File file : files) { 22240 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 22241 && !PackageInstallerService.isStageName(file.getName()); 22242 if (!isPackage) { 22243 // Ignore entries which are not packages 22244 continue; 22245 } 22246 22247 String absolutePath = file.getAbsolutePath(); 22248 22249 boolean pathValid = false; 22250 final int absoluteCodePathCount = absoluteCodePaths.size(); 22251 for (int i = 0; i < absoluteCodePathCount; i++) { 22252 String absoluteCodePath = absoluteCodePaths.get(i); 22253 if (absolutePath.startsWith(absoluteCodePath)) { 22254 pathValid = true; 22255 break; 22256 } 22257 } 22258 22259 if (!pathValid) { 22260 if (filesToDelete == null) { 22261 filesToDelete = new ArrayList<>(); 22262 } 22263 filesToDelete.add(file); 22264 } 22265 } 22266 22267 if (filesToDelete != null) { 22268 final int fileToDeleteCount = filesToDelete.size(); 22269 for (int i = 0; i < fileToDeleteCount; i++) { 22270 File fileToDelete = filesToDelete.get(i); 22271 logCriticalInfo(Log.WARN, "Destroying orphaned" + fileToDelete); 22272 synchronized (mInstallLock) { 22273 removeCodePathLI(fileToDelete); 22274 } 22275 } 22276 } 22277 } 22278 22279 /** 22280 * Reconcile all app data for the given user. 22281 * <p> 22282 * Verifies that directories exist and that ownership and labeling is 22283 * correct for all installed apps on all mounted volumes. 22284 */ 22285 void reconcileAppsData(int userId, int flags, boolean migrateAppsData) { 22286 final StorageManager storage = mContext.getSystemService(StorageManager.class); 22287 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 22288 final String volumeUuid = vol.getFsUuid(); 22289 synchronized (mInstallLock) { 22290 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppsData); 22291 } 22292 } 22293 } 22294 22295 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags, 22296 boolean migrateAppData) { 22297 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppData, false /* onlyCoreApps */); 22298 } 22299 22300 /** 22301 * Reconcile all app data on given mounted volume. 22302 * <p> 22303 * Destroys app data that isn't expected, either due to uninstallation or 22304 * reinstallation on another volume. 22305 * <p> 22306 * Verifies that directories exist and that ownership and labeling is 22307 * correct for all installed apps. 22308 * @returns list of skipped non-core packages (if {@code onlyCoreApps} is true) 22309 */ 22310 private List<String> reconcileAppsDataLI(String volumeUuid, int userId, int flags, 22311 boolean migrateAppData, boolean onlyCoreApps) { 22312 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 22313 + Integer.toHexString(flags) + " migrateAppData=" + migrateAppData); 22314 List<String> result = onlyCoreApps ? new ArrayList<>() : null; 22315 22316 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 22317 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 22318 22319 // First look for stale data that doesn't belong, and check if things 22320 // have changed since we did our last restorecon 22321 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 22322 if (StorageManager.isFileEncryptedNativeOrEmulated() 22323 && !StorageManager.isUserKeyUnlocked(userId)) { 22324 throw new RuntimeException( 22325 "Yikes, someone asked us to reconcile CE storage while " + userId 22326 + " was still locked; this would have caused massive data loss!"); 22327 } 22328 22329 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 22330 for (File file : files) { 22331 final String packageName = file.getName(); 22332 try { 22333 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 22334 } catch (PackageManagerException e) { 22335 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 22336 try { 22337 mInstaller.destroyAppData(volumeUuid, packageName, userId, 22338 StorageManager.FLAG_STORAGE_CE, 0); 22339 } catch (InstallerException e2) { 22340 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 22341 } 22342 } 22343 } 22344 } 22345 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 22346 final File[] files = FileUtils.listFilesOrEmpty(deDir); 22347 for (File file : files) { 22348 final String packageName = file.getName(); 22349 try { 22350 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 22351 } catch (PackageManagerException e) { 22352 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 22353 try { 22354 mInstaller.destroyAppData(volumeUuid, packageName, userId, 22355 StorageManager.FLAG_STORAGE_DE, 0); 22356 } catch (InstallerException e2) { 22357 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 22358 } 22359 } 22360 } 22361 } 22362 22363 // Ensure that data directories are ready to roll for all packages 22364 // installed for this volume and user 22365 final List<PackageSetting> packages; 22366 synchronized (mPackages) { 22367 packages = mSettings.getVolumePackagesLPr(volumeUuid); 22368 } 22369 int preparedCount = 0; 22370 for (PackageSetting ps : packages) { 22371 final String packageName = ps.name; 22372 if (ps.pkg == null) { 22373 Slog.w(TAG, "Odd, missing scanned package " + packageName); 22374 // TODO: might be due to legacy ASEC apps; we should circle back 22375 // and reconcile again once they're scanned 22376 continue; 22377 } 22378 // Skip non-core apps if requested 22379 if (onlyCoreApps && !ps.pkg.coreApp) { 22380 result.add(packageName); 22381 continue; 22382 } 22383 22384 if (ps.getInstalled(userId)) { 22385 prepareAppDataAndMigrateLIF(ps.pkg, userId, flags, migrateAppData); 22386 preparedCount++; 22387 } 22388 } 22389 22390 Slog.v(TAG, "reconcileAppsData finished " + preparedCount + " packages"); 22391 return result; 22392 } 22393 22394 /** 22395 * Prepare app data for the given app just after it was installed or 22396 * upgraded. This method carefully only touches users that it's installed 22397 * for, and it forces a restorecon to handle any seinfo changes. 22398 * <p> 22399 * Verifies that directories exist and that ownership and labeling is 22400 * correct for all installed apps. If there is an ownership mismatch, it 22401 * will try recovering system apps by wiping data; third-party app data is 22402 * left intact. 22403 * <p> 22404 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 22405 */ 22406 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 22407 final PackageSetting ps; 22408 synchronized (mPackages) { 22409 ps = mSettings.mPackages.get(pkg.packageName); 22410 mSettings.writeKernelMappingLPr(ps); 22411 } 22412 22413 final UserManager um = mContext.getSystemService(UserManager.class); 22414 UserManagerInternal umInternal = getUserManagerInternal(); 22415 for (UserInfo user : um.getUsers()) { 22416 final int flags; 22417 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 22418 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 22419 } else if (umInternal.isUserRunning(user.id)) { 22420 flags = StorageManager.FLAG_STORAGE_DE; 22421 } else { 22422 continue; 22423 } 22424 22425 if (ps.getInstalled(user.id)) { 22426 // TODO: when user data is locked, mark that we're still dirty 22427 prepareAppDataLIF(pkg, user.id, flags); 22428 } 22429 } 22430 } 22431 22432 /** 22433 * Prepare app data for the given app. 22434 * <p> 22435 * Verifies that directories exist and that ownership and labeling is 22436 * correct for all installed apps. If there is an ownership mismatch, this 22437 * will try recovering system apps by wiping data; third-party app data is 22438 * left intact. 22439 */ 22440 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 22441 if (pkg == null) { 22442 Slog.wtf(TAG, "Package was null!", new Throwable()); 22443 return; 22444 } 22445 prepareAppDataLeafLIF(pkg, userId, flags); 22446 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 22447 for (int i = 0; i < childCount; i++) { 22448 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 22449 } 22450 } 22451 22452 private void prepareAppDataAndMigrateLIF(PackageParser.Package pkg, int userId, int flags, 22453 boolean maybeMigrateAppData) { 22454 prepareAppDataLIF(pkg, userId, flags); 22455 22456 if (maybeMigrateAppData && maybeMigrateAppDataLIF(pkg, userId)) { 22457 // We may have just shuffled around app data directories, so 22458 // prepare them one more time 22459 prepareAppDataLIF(pkg, userId, flags); 22460 } 22461 } 22462 22463 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 22464 if (DEBUG_APP_DATA) { 22465 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 22466 + Integer.toHexString(flags)); 22467 } 22468 22469 final PackageSetting ps; 22470 synchronized (mPackages) { 22471 ps = mSettings.mPackages.get(pkg.packageName); 22472 } 22473 final String volumeUuid = pkg.volumeUuid; 22474 final String packageName = pkg.packageName; 22475 final ApplicationInfo app = (ps == null) 22476 ? pkg.applicationInfo 22477 : PackageParser.generateApplicationInfo(pkg, 0, ps.readUserState(userId), userId); 22478 22479 final int appId = UserHandle.getAppId(app.uid); 22480 22481 Preconditions.checkNotNull(app.seInfo); 22482 22483 final String seInfo = app.seInfo + (app.seInfoUser != null ? app.seInfoUser : ""); 22484 long ceDataInode = -1; 22485 try { 22486 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 22487 appId, seInfo, app.targetSdkVersion); 22488 } catch (InstallerException e) { 22489 if (app.isSystemApp()) { 22490 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 22491 + ", but trying to recover: " + e); 22492 destroyAppDataLeafLIF(pkg, userId, flags); 22493 try { 22494 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 22495 appId, seInfo, app.targetSdkVersion); 22496 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 22497 } catch (InstallerException e2) { 22498 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 22499 } 22500 } else { 22501 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 22502 } 22503 } 22504 // Prepare the application profiles only for upgrades and first boot (so that we don't 22505 // repeat the same operation at each boot). 22506 // We only have to cover the upgrade and first boot here because for app installs we 22507 // prepare the profiles before invoking dexopt (in installPackageLI). 22508 // 22509 // We also have to cover non system users because we do not call the usual install package 22510 // methods for them. 22511 if (mIsUpgrade || mFirstBoot || (userId != UserHandle.USER_SYSTEM)) { 22512 mArtManagerService.prepareAppProfiles(pkg, userId); 22513 } 22514 22515 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && ceDataInode != -1) { 22516 // TODO: mark this structure as dirty so we persist it! 22517 synchronized (mPackages) { 22518 if (ps != null) { 22519 ps.setCeDataInode(ceDataInode, userId); 22520 } 22521 } 22522 } 22523 22524 prepareAppDataContentsLeafLIF(pkg, userId, flags); 22525 } 22526 22527 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 22528 if (pkg == null) { 22529 Slog.wtf(TAG, "Package was null!", new Throwable()); 22530 return; 22531 } 22532 prepareAppDataContentsLeafLIF(pkg, userId, flags); 22533 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 22534 for (int i = 0; i < childCount; i++) { 22535 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 22536 } 22537 } 22538 22539 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 22540 final String volumeUuid = pkg.volumeUuid; 22541 final String packageName = pkg.packageName; 22542 final ApplicationInfo app = pkg.applicationInfo; 22543 22544 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 22545 // Create a native library symlink only if we have native libraries 22546 // and if the native libraries are 32 bit libraries. We do not provide 22547 // this symlink for 64 bit libraries. 22548 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 22549 final String nativeLibPath = app.nativeLibraryDir; 22550 try { 22551 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 22552 nativeLibPath, userId); 22553 } catch (InstallerException e) { 22554 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 22555 } 22556 } 22557 } 22558 } 22559 22560 /** 22561 * For system apps on non-FBE devices, this method migrates any existing 22562 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 22563 * requested by the app. 22564 */ 22565 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 22566 if (pkg.isSystem() && !StorageManager.isFileEncryptedNativeOrEmulated() 22567 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 22568 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 22569 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 22570 try { 22571 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 22572 storageTarget); 22573 } catch (InstallerException e) { 22574 logCriticalInfo(Log.WARN, 22575 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 22576 } 22577 return true; 22578 } else { 22579 return false; 22580 } 22581 } 22582 22583 public PackageFreezer freezePackage(String packageName, String killReason) { 22584 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 22585 } 22586 22587 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 22588 return new PackageFreezer(packageName, userId, killReason); 22589 } 22590 22591 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 22592 String killReason) { 22593 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 22594 } 22595 22596 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 22597 String killReason) { 22598 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 22599 return new PackageFreezer(); 22600 } else { 22601 return freezePackage(packageName, userId, killReason); 22602 } 22603 } 22604 22605 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 22606 String killReason) { 22607 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 22608 } 22609 22610 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 22611 String killReason) { 22612 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 22613 return new PackageFreezer(); 22614 } else { 22615 return freezePackage(packageName, userId, killReason); 22616 } 22617 } 22618 22619 /** 22620 * Class that freezes and kills the given package upon creation, and 22621 * unfreezes it upon closing. This is typically used when doing surgery on 22622 * app code/data to prevent the app from running while you're working. 22623 */ 22624 private class PackageFreezer implements AutoCloseable { 22625 private final String mPackageName; 22626 private final PackageFreezer[] mChildren; 22627 22628 private final boolean mWeFroze; 22629 22630 private final AtomicBoolean mClosed = new AtomicBoolean(); 22631 private final CloseGuard mCloseGuard = CloseGuard.get(); 22632 22633 /** 22634 * Create and return a stub freezer that doesn't actually do anything, 22635 * typically used when someone requested 22636 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 22637 * {@link PackageManager#DELETE_DONT_KILL_APP}. 22638 */ 22639 public PackageFreezer() { 22640 mPackageName = null; 22641 mChildren = null; 22642 mWeFroze = false; 22643 mCloseGuard.open("close"); 22644 } 22645 22646 public PackageFreezer(String packageName, int userId, String killReason) { 22647 synchronized (mPackages) { 22648 mPackageName = packageName; 22649 mWeFroze = mFrozenPackages.add(mPackageName); 22650 22651 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 22652 if (ps != null) { 22653 killApplication(ps.name, ps.appId, userId, killReason); 22654 } 22655 22656 final PackageParser.Package p = mPackages.get(packageName); 22657 if (p != null && p.childPackages != null) { 22658 final int N = p.childPackages.size(); 22659 mChildren = new PackageFreezer[N]; 22660 for (int i = 0; i < N; i++) { 22661 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 22662 userId, killReason); 22663 } 22664 } else { 22665 mChildren = null; 22666 } 22667 } 22668 mCloseGuard.open("close"); 22669 } 22670 22671 @Override 22672 protected void finalize() throws Throwable { 22673 try { 22674 if (mCloseGuard != null) { 22675 mCloseGuard.warnIfOpen(); 22676 } 22677 22678 close(); 22679 } finally { 22680 super.finalize(); 22681 } 22682 } 22683 22684 @Override 22685 public void close() { 22686 mCloseGuard.close(); 22687 if (mClosed.compareAndSet(false, true)) { 22688 synchronized (mPackages) { 22689 if (mWeFroze) { 22690 mFrozenPackages.remove(mPackageName); 22691 } 22692 22693 if (mChildren != null) { 22694 for (PackageFreezer freezer : mChildren) { 22695 freezer.close(); 22696 } 22697 } 22698 } 22699 } 22700 } 22701 } 22702 22703 /** 22704 * Verify that given package is currently frozen. 22705 */ 22706 private void checkPackageFrozen(String packageName) { 22707 synchronized (mPackages) { 22708 if (!mFrozenPackages.contains(packageName)) { 22709 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 22710 } 22711 } 22712 } 22713 22714 @Override 22715 public int movePackage(final String packageName, final String volumeUuid) { 22716 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 22717 22718 final int callingUid = Binder.getCallingUid(); 22719 final UserHandle user = new UserHandle(UserHandle.getUserId(callingUid)); 22720 final int moveId = mNextMoveId.getAndIncrement(); 22721 mHandler.post(new Runnable() { 22722 @Override 22723 public void run() { 22724 try { 22725 movePackageInternal(packageName, volumeUuid, moveId, callingUid, user); 22726 } catch (PackageManagerException e) { 22727 Slog.w(TAG, "Failed to move " + packageName, e); 22728 mMoveCallbacks.notifyStatusChanged(moveId, e.error); 22729 } 22730 } 22731 }); 22732 return moveId; 22733 } 22734 22735 private void movePackageInternal(final String packageName, final String volumeUuid, 22736 final int moveId, final int callingUid, UserHandle user) 22737 throws PackageManagerException { 22738 final StorageManager storage = mContext.getSystemService(StorageManager.class); 22739 final PackageManager pm = mContext.getPackageManager(); 22740 22741 final boolean currentAsec; 22742 final String currentVolumeUuid; 22743 final File codeFile; 22744 final String installerPackageName; 22745 final String packageAbiOverride; 22746 final int appId; 22747 final String seinfo; 22748 final String label; 22749 final int targetSdkVersion; 22750 final PackageFreezer freezer; 22751 final int[] installedUserIds; 22752 22753 // reader 22754 synchronized (mPackages) { 22755 final PackageParser.Package pkg = mPackages.get(packageName); 22756 final PackageSetting ps = mSettings.mPackages.get(packageName); 22757 if (pkg == null 22758 || ps == null 22759 || filterAppAccessLPr(ps, callingUid, user.getIdentifier())) { 22760 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 22761 } 22762 if (pkg.applicationInfo.isSystemApp()) { 22763 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 22764 "Cannot move system application"); 22765 } 22766 22767 final boolean isInternalStorage = VolumeInfo.ID_PRIVATE_INTERNAL.equals(volumeUuid); 22768 final boolean allow3rdPartyOnInternal = mContext.getResources().getBoolean( 22769 com.android.internal.R.bool.config_allow3rdPartyAppOnInternal); 22770 if (isInternalStorage && !allow3rdPartyOnInternal) { 22771 throw new PackageManagerException(MOVE_FAILED_3RD_PARTY_NOT_ALLOWED_ON_INTERNAL, 22772 "3rd party apps are not allowed on internal storage"); 22773 } 22774 22775 if (pkg.applicationInfo.isExternalAsec()) { 22776 currentAsec = true; 22777 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 22778 } else if (pkg.applicationInfo.isForwardLocked()) { 22779 currentAsec = true; 22780 currentVolumeUuid = "forward_locked"; 22781 } else { 22782 currentAsec = false; 22783 currentVolumeUuid = ps.volumeUuid; 22784 22785 final File probe = new File(pkg.codePath); 22786 final File probeOat = new File(probe, "oat"); 22787 if (!probe.isDirectory() || !probeOat.isDirectory()) { 22788 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22789 "Move only supported for modern cluster style installs"); 22790 } 22791 } 22792 22793 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 22794 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22795 "Package already moved to " + volumeUuid); 22796 } 22797 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 22798 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 22799 "Device admin cannot be moved"); 22800 } 22801 22802 if (mFrozenPackages.contains(packageName)) { 22803 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 22804 "Failed to move already frozen package"); 22805 } 22806 22807 codeFile = new File(pkg.codePath); 22808 installerPackageName = ps.installerPackageName; 22809 packageAbiOverride = ps.cpuAbiOverrideString; 22810 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 22811 seinfo = pkg.applicationInfo.seInfo; 22812 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 22813 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 22814 freezer = freezePackage(packageName, "movePackageInternal"); 22815 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 22816 } 22817 22818 final Bundle extras = new Bundle(); 22819 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 22820 extras.putString(Intent.EXTRA_TITLE, label); 22821 mMoveCallbacks.notifyCreated(moveId, extras); 22822 22823 int installFlags; 22824 final boolean moveCompleteApp; 22825 final File measurePath; 22826 22827 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 22828 installFlags = INSTALL_INTERNAL; 22829 moveCompleteApp = !currentAsec; 22830 measurePath = Environment.getDataAppDirectory(volumeUuid); 22831 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 22832 installFlags = INSTALL_EXTERNAL; 22833 moveCompleteApp = false; 22834 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 22835 } else { 22836 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 22837 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 22838 || !volume.isMountedWritable()) { 22839 freezer.close(); 22840 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22841 "Move location not mounted private volume"); 22842 } 22843 22844 Preconditions.checkState(!currentAsec); 22845 22846 installFlags = INSTALL_INTERNAL; 22847 moveCompleteApp = true; 22848 measurePath = Environment.getDataAppDirectory(volumeUuid); 22849 } 22850 22851 // If we're moving app data around, we need all the users unlocked 22852 if (moveCompleteApp) { 22853 for (int userId : installedUserIds) { 22854 if (StorageManager.isFileEncryptedNativeOrEmulated() 22855 && !StorageManager.isUserKeyUnlocked(userId)) { 22856 throw new PackageManagerException(MOVE_FAILED_LOCKED_USER, 22857 "User " + userId + " must be unlocked"); 22858 } 22859 } 22860 } 22861 22862 final PackageStats stats = new PackageStats(null, -1); 22863 synchronized (mInstaller) { 22864 for (int userId : installedUserIds) { 22865 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 22866 freezer.close(); 22867 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22868 "Failed to measure package size"); 22869 } 22870 } 22871 } 22872 22873 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 22874 + stats.dataSize); 22875 22876 final long startFreeBytes = measurePath.getUsableSpace(); 22877 final long sizeBytes; 22878 if (moveCompleteApp) { 22879 sizeBytes = stats.codeSize + stats.dataSize; 22880 } else { 22881 sizeBytes = stats.codeSize; 22882 } 22883 22884 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 22885 freezer.close(); 22886 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 22887 "Not enough free space to move"); 22888 } 22889 22890 mMoveCallbacks.notifyStatusChanged(moveId, 10); 22891 22892 final CountDownLatch installedLatch = new CountDownLatch(1); 22893 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 22894 @Override 22895 public void onUserActionRequired(Intent intent) throws RemoteException { 22896 throw new IllegalStateException(); 22897 } 22898 22899 @Override 22900 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 22901 Bundle extras) throws RemoteException { 22902 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 22903 + PackageManager.installStatusToString(returnCode, msg)); 22904 22905 installedLatch.countDown(); 22906 freezer.close(); 22907 22908 final int status = PackageManager.installStatusToPublicStatus(returnCode); 22909 switch (status) { 22910 case PackageInstaller.STATUS_SUCCESS: 22911 mMoveCallbacks.notifyStatusChanged(moveId, 22912 PackageManager.MOVE_SUCCEEDED); 22913 break; 22914 case PackageInstaller.STATUS_FAILURE_STORAGE: 22915 mMoveCallbacks.notifyStatusChanged(moveId, 22916 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 22917 break; 22918 default: 22919 mMoveCallbacks.notifyStatusChanged(moveId, 22920 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 22921 break; 22922 } 22923 } 22924 }; 22925 22926 final MoveInfo move; 22927 if (moveCompleteApp) { 22928 // Kick off a thread to report progress estimates 22929 new Thread() { 22930 @Override 22931 public void run() { 22932 while (true) { 22933 try { 22934 if (installedLatch.await(1, TimeUnit.SECONDS)) { 22935 break; 22936 } 22937 } catch (InterruptedException ignored) { 22938 } 22939 22940 final long deltaFreeBytes = startFreeBytes - measurePath.getUsableSpace(); 22941 final int progress = 10 + (int) MathUtils.constrain( 22942 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 22943 mMoveCallbacks.notifyStatusChanged(moveId, progress); 22944 } 22945 } 22946 }.start(); 22947 22948 final String dataAppName = codeFile.getName(); 22949 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 22950 dataAppName, appId, seinfo, targetSdkVersion); 22951 } else { 22952 move = null; 22953 } 22954 22955 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 22956 22957 final Message msg = mHandler.obtainMessage(INIT_COPY); 22958 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 22959 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 22960 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 22961 packageAbiOverride, null /*grantedPermissions*/, 22962 PackageParser.SigningDetails.UNKNOWN, PackageManager.INSTALL_REASON_UNKNOWN); 22963 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 22964 msg.obj = params; 22965 22966 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 22967 System.identityHashCode(msg.obj)); 22968 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 22969 System.identityHashCode(msg.obj)); 22970 22971 mHandler.sendMessage(msg); 22972 } 22973 22974 @Override 22975 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 22976 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 22977 22978 final int realMoveId = mNextMoveId.getAndIncrement(); 22979 final Bundle extras = new Bundle(); 22980 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 22981 mMoveCallbacks.notifyCreated(realMoveId, extras); 22982 22983 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 22984 @Override 22985 public void onCreated(int moveId, Bundle extras) { 22986 // Ignored 22987 } 22988 22989 @Override 22990 public void onStatusChanged(int moveId, int status, long estMillis) { 22991 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 22992 } 22993 }; 22994 22995 final StorageManager storage = mContext.getSystemService(StorageManager.class); 22996 storage.setPrimaryStorageUuid(volumeUuid, callback); 22997 return realMoveId; 22998 } 22999 23000 @Override 23001 public int getMoveStatus(int moveId) { 23002 mContext.enforceCallingOrSelfPermission( 23003 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 23004 return mMoveCallbacks.mLastStatus.get(moveId); 23005 } 23006 23007 @Override 23008 public void registerMoveCallback(IPackageMoveObserver callback) { 23009 mContext.enforceCallingOrSelfPermission( 23010 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 23011 mMoveCallbacks.register(callback); 23012 } 23013 23014 @Override 23015 public void unregisterMoveCallback(IPackageMoveObserver callback) { 23016 mContext.enforceCallingOrSelfPermission( 23017 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 23018 mMoveCallbacks.unregister(callback); 23019 } 23020 23021 @Override 23022 public boolean setInstallLocation(int loc) { 23023 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 23024 null); 23025 if (getInstallLocation() == loc) { 23026 return true; 23027 } 23028 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 23029 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 23030 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 23031 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 23032 return true; 23033 } 23034 return false; 23035 } 23036 23037 @Override 23038 public int getInstallLocation() { 23039 // allow instant app access 23040 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 23041 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 23042 PackageHelper.APP_INSTALL_AUTO); 23043 } 23044 23045 /** Called by UserManagerService */ 23046 void cleanUpUser(UserManagerService userManager, int userHandle) { 23047 synchronized (mPackages) { 23048 mDirtyUsers.remove(userHandle); 23049 mUserNeedsBadging.delete(userHandle); 23050 mSettings.removeUserLPw(userHandle); 23051 mPendingBroadcasts.remove(userHandle); 23052 mInstantAppRegistry.onUserRemovedLPw(userHandle); 23053 removeUnusedPackagesLPw(userManager, userHandle); 23054 } 23055 } 23056 23057 /** 23058 * We're removing userHandle and would like to remove any downloaded packages 23059 * that are no longer in use by any other user. 23060 * @param userHandle the user being removed 23061 */ 23062 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 23063 final boolean DEBUG_CLEAN_APKS = false; 23064 int [] users = userManager.getUserIds(); 23065 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 23066 while (psit.hasNext()) { 23067 PackageSetting ps = psit.next(); 23068 if (ps.pkg == null) { 23069 continue; 23070 } 23071 final String packageName = ps.pkg.packageName; 23072 // Skip over if system app 23073 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 23074 continue; 23075 } 23076 if (DEBUG_CLEAN_APKS) { 23077 Slog.i(TAG, "Checking package " + packageName); 23078 } 23079 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 23080 if (keep) { 23081 if (DEBUG_CLEAN_APKS) { 23082 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 23083 } 23084 } else { 23085 for (int i = 0; i < users.length; i++) { 23086 if (users[i] != userHandle && ps.getInstalled(users[i])) { 23087 keep = true; 23088 if (DEBUG_CLEAN_APKS) { 23089 Slog.i(TAG, " Keeping package " + packageName + " for user " 23090 + users[i]); 23091 } 23092 break; 23093 } 23094 } 23095 } 23096 if (!keep) { 23097 if (DEBUG_CLEAN_APKS) { 23098 Slog.i(TAG, " Removing package " + packageName); 23099 } 23100 mHandler.post(new Runnable() { 23101 public void run() { 23102 deletePackageX(packageName, PackageManager.VERSION_CODE_HIGHEST, 23103 userHandle, 0); 23104 } //end run 23105 }); 23106 } 23107 } 23108 } 23109 23110 /** Called by UserManagerService */ 23111 void createNewUser(int userId, String[] disallowedPackages) { 23112 synchronized (mInstallLock) { 23113 mSettings.createNewUserLI(this, mInstaller, userId, disallowedPackages); 23114 } 23115 synchronized (mPackages) { 23116 scheduleWritePackageRestrictionsLocked(userId); 23117 scheduleWritePackageListLocked(userId); 23118 applyFactoryDefaultBrowserLPw(userId); 23119 primeDomainVerificationsLPw(userId); 23120 } 23121 } 23122 23123 void onNewUserCreated(final int userId) { 23124 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 23125 synchronized(mPackages) { 23126 // If permission review for legacy apps is required, we represent 23127 // dagerous permissions for such apps as always granted runtime 23128 // permissions to keep per user flag state whether review is needed. 23129 // Hence, if a new user is added we have to propagate dangerous 23130 // permission grants for these legacy apps. 23131 if (mSettings.mPermissions.mPermissionReviewRequired) { 23132// NOTE: This adds UPDATE_PERMISSIONS_REPLACE_PKG 23133 mPermissionManager.updateAllPermissions( 23134 StorageManager.UUID_PRIVATE_INTERNAL, true, mPackages.values(), 23135 mPermissionCallback); 23136 } 23137 } 23138 } 23139 23140 @Override 23141 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 23142 mContext.enforceCallingOrSelfPermission( 23143 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 23144 "Only package verification agents can read the verifier device identity"); 23145 23146 synchronized (mPackages) { 23147 return mSettings.getVerifierDeviceIdentityLPw(); 23148 } 23149 } 23150 23151 @Override 23152 public void setPermissionEnforced(String permission, boolean enforced) { 23153 // TODO: Now that we no longer change GID for storage, this should to away. 23154 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 23155 "setPermissionEnforced"); 23156 if (READ_EXTERNAL_STORAGE.equals(permission)) { 23157 synchronized (mPackages) { 23158 if (mSettings.mReadExternalStorageEnforced == null 23159 || mSettings.mReadExternalStorageEnforced != enforced) { 23160 mSettings.mReadExternalStorageEnforced = 23161 enforced ? Boolean.TRUE : Boolean.FALSE; 23162 mSettings.writeLPr(); 23163 } 23164 } 23165 // kill any non-foreground processes so we restart them and 23166 // grant/revoke the GID. 23167 final IActivityManager am = ActivityManager.getService(); 23168 if (am != null) { 23169 final long token = Binder.clearCallingIdentity(); 23170 try { 23171 am.killProcessesBelowForeground("setPermissionEnforcement"); 23172 } catch (RemoteException e) { 23173 } finally { 23174 Binder.restoreCallingIdentity(token); 23175 } 23176 } 23177 } else { 23178 throw new IllegalArgumentException("No selective enforcement for " + permission); 23179 } 23180 } 23181 23182 @Override 23183 @Deprecated 23184 public boolean isPermissionEnforced(String permission) { 23185 // allow instant applications 23186 return true; 23187 } 23188 23189 @Override 23190 public boolean isStorageLow() { 23191 // allow instant applications 23192 final long token = Binder.clearCallingIdentity(); 23193 try { 23194 final DeviceStorageMonitorInternal 23195 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 23196 if (dsm != null) { 23197 return dsm.isMemoryLow(); 23198 } else { 23199 return false; 23200 } 23201 } finally { 23202 Binder.restoreCallingIdentity(token); 23203 } 23204 } 23205 23206 @Override 23207 public IPackageInstaller getPackageInstaller() { 23208 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 23209 return null; 23210 } 23211 return mInstallerService; 23212 } 23213 23214 @Override 23215 public IArtManager getArtManager() { 23216 return mArtManagerService; 23217 } 23218 23219 private boolean userNeedsBadging(int userId) { 23220 int index = mUserNeedsBadging.indexOfKey(userId); 23221 if (index < 0) { 23222 final UserInfo userInfo; 23223 final long token = Binder.clearCallingIdentity(); 23224 try { 23225 userInfo = sUserManager.getUserInfo(userId); 23226 } finally { 23227 Binder.restoreCallingIdentity(token); 23228 } 23229 final boolean b; 23230 if (userInfo != null && userInfo.isManagedProfile()) { 23231 b = true; 23232 } else { 23233 b = false; 23234 } 23235 mUserNeedsBadging.put(userId, b); 23236 return b; 23237 } 23238 return mUserNeedsBadging.valueAt(index); 23239 } 23240 23241 @Override 23242 public KeySet getKeySetByAlias(String packageName, String alias) { 23243 if (packageName == null || alias == null) { 23244 return null; 23245 } 23246 synchronized(mPackages) { 23247 final PackageParser.Package pkg = mPackages.get(packageName); 23248 if (pkg == null) { 23249 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 23250 throw new IllegalArgumentException("Unknown package: " + packageName); 23251 } 23252 final PackageSetting ps = (PackageSetting) pkg.mExtras; 23253 if (filterAppAccessLPr(ps, Binder.getCallingUid(), UserHandle.getCallingUserId())) { 23254 Slog.w(TAG, "KeySet requested for filtered package: " + packageName); 23255 throw new IllegalArgumentException("Unknown package: " + packageName); 23256 } 23257 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 23258 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 23259 } 23260 } 23261 23262 @Override 23263 public KeySet getSigningKeySet(String packageName) { 23264 if (packageName == null) { 23265 return null; 23266 } 23267 synchronized(mPackages) { 23268 final int callingUid = Binder.getCallingUid(); 23269 final int callingUserId = UserHandle.getUserId(callingUid); 23270 final PackageParser.Package pkg = mPackages.get(packageName); 23271 if (pkg == null) { 23272 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 23273 throw new IllegalArgumentException("Unknown package: " + packageName); 23274 } 23275 final PackageSetting ps = (PackageSetting) pkg.mExtras; 23276 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 23277 // filter and pretend the package doesn't exist 23278 Slog.w(TAG, "KeySet requested for filtered package: " + packageName 23279 + ", uid:" + callingUid); 23280 throw new IllegalArgumentException("Unknown package: " + packageName); 23281 } 23282 if (pkg.applicationInfo.uid != callingUid 23283 && Process.SYSTEM_UID != callingUid) { 23284 throw new SecurityException("May not access signing KeySet of other apps."); 23285 } 23286 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 23287 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 23288 } 23289 } 23290 23291 @Override 23292 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 23293 final int callingUid = Binder.getCallingUid(); 23294 if (getInstantAppPackageName(callingUid) != null) { 23295 return false; 23296 } 23297 if (packageName == null || ks == null) { 23298 return false; 23299 } 23300 synchronized(mPackages) { 23301 final PackageParser.Package pkg = mPackages.get(packageName); 23302 if (pkg == null 23303 || filterAppAccessLPr((PackageSetting) pkg.mExtras, callingUid, 23304 UserHandle.getUserId(callingUid))) { 23305 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 23306 throw new IllegalArgumentException("Unknown package: " + packageName); 23307 } 23308 IBinder ksh = ks.getToken(); 23309 if (ksh instanceof KeySetHandle) { 23310 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 23311 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 23312 } 23313 return false; 23314 } 23315 } 23316 23317 @Override 23318 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 23319 final int callingUid = Binder.getCallingUid(); 23320 if (getInstantAppPackageName(callingUid) != null) { 23321 return false; 23322 } 23323 if (packageName == null || ks == null) { 23324 return false; 23325 } 23326 synchronized(mPackages) { 23327 final PackageParser.Package pkg = mPackages.get(packageName); 23328 if (pkg == null 23329 || filterAppAccessLPr((PackageSetting) pkg.mExtras, callingUid, 23330 UserHandle.getUserId(callingUid))) { 23331 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 23332 throw new IllegalArgumentException("Unknown package: " + packageName); 23333 } 23334 IBinder ksh = ks.getToken(); 23335 if (ksh instanceof KeySetHandle) { 23336 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 23337 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 23338 } 23339 return false; 23340 } 23341 } 23342 23343 private void deletePackageIfUnusedLPr(final String packageName) { 23344 PackageSetting ps = mSettings.mPackages.get(packageName); 23345 if (ps == null) { 23346 return; 23347 } 23348 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 23349 // TODO Implement atomic delete if package is unused 23350 // It is currently possible that the package will be deleted even if it is installed 23351 // after this method returns. 23352 mHandler.post(new Runnable() { 23353 public void run() { 23354 deletePackageX(packageName, PackageManager.VERSION_CODE_HIGHEST, 23355 0, PackageManager.DELETE_ALL_USERS); 23356 } 23357 }); 23358 } 23359 } 23360 23361 /** 23362 * Check and throw if the given before/after packages would be considered a 23363 * downgrade. 23364 */ 23365 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 23366 throws PackageManagerException { 23367 if (after.getLongVersionCode() < before.getLongVersionCode()) { 23368 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 23369 "Update version code " + after.versionCode + " is older than current " 23370 + before.getLongVersionCode()); 23371 } else if (after.getLongVersionCode() == before.getLongVersionCode()) { 23372 if (after.baseRevisionCode < before.baseRevisionCode) { 23373 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 23374 "Update base revision code " + after.baseRevisionCode 23375 + " is older than current " + before.baseRevisionCode); 23376 } 23377 23378 if (!ArrayUtils.isEmpty(after.splitNames)) { 23379 for (int i = 0; i < after.splitNames.length; i++) { 23380 final String splitName = after.splitNames[i]; 23381 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 23382 if (j != -1) { 23383 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 23384 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 23385 "Update split " + splitName + " revision code " 23386 + after.splitRevisionCodes[i] + " is older than current " 23387 + before.splitRevisionCodes[j]); 23388 } 23389 } 23390 } 23391 } 23392 } 23393 } 23394 23395 private static class MoveCallbacks extends Handler { 23396 private static final int MSG_CREATED = 1; 23397 private static final int MSG_STATUS_CHANGED = 2; 23398 23399 private final RemoteCallbackList<IPackageMoveObserver> 23400 mCallbacks = new RemoteCallbackList<>(); 23401 23402 private final SparseIntArray mLastStatus = new SparseIntArray(); 23403 23404 public MoveCallbacks(Looper looper) { 23405 super(looper); 23406 } 23407 23408 public void register(IPackageMoveObserver callback) { 23409 mCallbacks.register(callback); 23410 } 23411 23412 public void unregister(IPackageMoveObserver callback) { 23413 mCallbacks.unregister(callback); 23414 } 23415 23416 @Override 23417 public void handleMessage(Message msg) { 23418 final SomeArgs args = (SomeArgs) msg.obj; 23419 final int n = mCallbacks.beginBroadcast(); 23420 for (int i = 0; i < n; i++) { 23421 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 23422 try { 23423 invokeCallback(callback, msg.what, args); 23424 } catch (RemoteException ignored) { 23425 } 23426 } 23427 mCallbacks.finishBroadcast(); 23428 args.recycle(); 23429 } 23430 23431 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 23432 throws RemoteException { 23433 switch (what) { 23434 case MSG_CREATED: { 23435 callback.onCreated(args.argi1, (Bundle) args.arg2); 23436 break; 23437 } 23438 case MSG_STATUS_CHANGED: { 23439 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 23440 break; 23441 } 23442 } 23443 } 23444 23445 private void notifyCreated(int moveId, Bundle extras) { 23446 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 23447 23448 final SomeArgs args = SomeArgs.obtain(); 23449 args.argi1 = moveId; 23450 args.arg2 = extras; 23451 obtainMessage(MSG_CREATED, args).sendToTarget(); 23452 } 23453 23454 private void notifyStatusChanged(int moveId, int status) { 23455 notifyStatusChanged(moveId, status, -1); 23456 } 23457 23458 private void notifyStatusChanged(int moveId, int status, long estMillis) { 23459 Slog.v(TAG, "Move " + moveId + " status " + status); 23460 23461 final SomeArgs args = SomeArgs.obtain(); 23462 args.argi1 = moveId; 23463 args.argi2 = status; 23464 args.arg3 = estMillis; 23465 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 23466 23467 synchronized (mLastStatus) { 23468 mLastStatus.put(moveId, status); 23469 } 23470 } 23471 } 23472 23473 private final static class OnPermissionChangeListeners extends Handler { 23474 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 23475 23476 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 23477 new RemoteCallbackList<>(); 23478 23479 public OnPermissionChangeListeners(Looper looper) { 23480 super(looper); 23481 } 23482 23483 @Override 23484 public void handleMessage(Message msg) { 23485 switch (msg.what) { 23486 case MSG_ON_PERMISSIONS_CHANGED: { 23487 final int uid = msg.arg1; 23488 handleOnPermissionsChanged(uid); 23489 } break; 23490 } 23491 } 23492 23493 public void addListenerLocked(IOnPermissionsChangeListener listener) { 23494 mPermissionListeners.register(listener); 23495 23496 } 23497 23498 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 23499 mPermissionListeners.unregister(listener); 23500 } 23501 23502 public void onPermissionsChanged(int uid) { 23503 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 23504 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 23505 } 23506 } 23507 23508 private void handleOnPermissionsChanged(int uid) { 23509 final int count = mPermissionListeners.beginBroadcast(); 23510 try { 23511 for (int i = 0; i < count; i++) { 23512 IOnPermissionsChangeListener callback = mPermissionListeners 23513 .getBroadcastItem(i); 23514 try { 23515 callback.onPermissionsChanged(uid); 23516 } catch (RemoteException e) { 23517 Log.e(TAG, "Permission listener is dead", e); 23518 } 23519 } 23520 } finally { 23521 mPermissionListeners.finishBroadcast(); 23522 } 23523 } 23524 } 23525 23526 private class PackageManagerNative extends IPackageManagerNative.Stub { 23527 @Override 23528 public String[] getNamesForUids(int[] uids) throws RemoteException { 23529 final String[] results = PackageManagerService.this.getNamesForUids(uids); 23530 // massage results so they can be parsed by the native binder 23531 for (int i = results.length - 1; i >= 0; --i) { 23532 if (results[i] == null) { 23533 results[i] = ""; 23534 } 23535 } 23536 return results; 23537 } 23538 23539 // NB: this differentiates between preloads and sideloads 23540 @Override 23541 public String getInstallerForPackage(String packageName) throws RemoteException { 23542 final String installerName = getInstallerPackageName(packageName); 23543 if (!TextUtils.isEmpty(installerName)) { 23544 return installerName; 23545 } 23546 // differentiate between preload and sideload 23547 int callingUser = UserHandle.getUserId(Binder.getCallingUid()); 23548 ApplicationInfo appInfo = getApplicationInfo(packageName, 23549 /*flags*/ 0, 23550 /*userId*/ callingUser); 23551 if (appInfo != null && (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 23552 return "preload"; 23553 } 23554 return ""; 23555 } 23556 23557 @Override 23558 public long getVersionCodeForPackage(String packageName) throws RemoteException { 23559 try { 23560 int callingUser = UserHandle.getUserId(Binder.getCallingUid()); 23561 PackageInfo pInfo = getPackageInfo(packageName, 0, callingUser); 23562 if (pInfo != null) { 23563 return pInfo.getLongVersionCode(); 23564 } 23565 } catch (Exception e) { 23566 } 23567 return 0; 23568 } 23569 } 23570 23571 private class PackageManagerInternalImpl extends PackageManagerInternal { 23572 @Override 23573 public void updatePermissionFlagsTEMP(String permName, String packageName, int flagMask, 23574 int flagValues, int userId) { 23575 PackageManagerService.this.updatePermissionFlags( 23576 permName, packageName, flagMask, flagValues, userId); 23577 } 23578 23579 @Override 23580 public boolean isDataRestoreSafe(byte[] restoringFromSigHash, String packageName) { 23581 SigningDetails sd = getSigningDetails(packageName); 23582 if (sd == null) { 23583 return false; 23584 } 23585 return sd.hasSha256Certificate(restoringFromSigHash, 23586 SigningDetails.CertCapabilities.INSTALLED_DATA); 23587 } 23588 23589 @Override 23590 public boolean isDataRestoreSafe(Signature restoringFromSig, String packageName) { 23591 SigningDetails sd = getSigningDetails(packageName); 23592 if (sd == null) { 23593 return false; 23594 } 23595 return sd.hasCertificate(restoringFromSig, 23596 SigningDetails.CertCapabilities.INSTALLED_DATA); 23597 } 23598 23599 @Override 23600 public boolean hasSignatureCapability(int serverUid, int clientUid, 23601 @SigningDetails.CertCapabilities int capability) { 23602 SigningDetails serverSigningDetails = getSigningDetails(serverUid); 23603 SigningDetails clientSigningDetails = getSigningDetails(clientUid); 23604 return serverSigningDetails.checkCapability(clientSigningDetails, capability) 23605 || clientSigningDetails.hasAncestorOrSelf(serverSigningDetails); 23606 23607 } 23608 23609 private SigningDetails getSigningDetails(@NonNull String packageName) { 23610 synchronized (mPackages) { 23611 PackageParser.Package p = mPackages.get(packageName); 23612 if (p == null) { 23613 return null; 23614 } 23615 return p.mSigningDetails; 23616 } 23617 } 23618 23619 private SigningDetails getSigningDetails(int uid) { 23620 synchronized (mPackages) { 23621 final int appId = UserHandle.getAppId(uid); 23622 final Object obj = mSettings.getUserIdLPr(appId); 23623 if (obj != null) { 23624 if (obj instanceof SharedUserSetting) { 23625 return ((SharedUserSetting) obj).signatures.mSigningDetails; 23626 } else if (obj instanceof PackageSetting) { 23627 final PackageSetting ps = (PackageSetting) obj; 23628 return ps.signatures.mSigningDetails; 23629 } 23630 } 23631 return SigningDetails.UNKNOWN; 23632 } 23633 } 23634 23635 @Override 23636 public int getPermissionFlagsTEMP(String permName, String packageName, int userId) { 23637 return PackageManagerService.this.getPermissionFlags(permName, packageName, userId); 23638 } 23639 23640 @Override 23641 public boolean isInstantApp(String packageName, int userId) { 23642 return PackageManagerService.this.isInstantApp(packageName, userId); 23643 } 23644 23645 @Override 23646 public String getInstantAppPackageName(int uid) { 23647 return PackageManagerService.this.getInstantAppPackageName(uid); 23648 } 23649 23650 @Override 23651 public boolean filterAppAccess(PackageParser.Package pkg, int callingUid, int userId) { 23652 synchronized (mPackages) { 23653 return PackageManagerService.this.filterAppAccessLPr( 23654 (PackageSetting) pkg.mExtras, callingUid, userId); 23655 } 23656 } 23657 23658 @Override 23659 public PackageParser.Package getPackage(String packageName) { 23660 synchronized (mPackages) { 23661 packageName = resolveInternalPackageNameLPr( 23662 packageName, PackageManager.VERSION_CODE_HIGHEST); 23663 return mPackages.get(packageName); 23664 } 23665 } 23666 23667 @Override 23668 public PackageList getPackageList(PackageListObserver observer) { 23669 synchronized (mPackages) { 23670 final int N = mPackages.size(); 23671 final ArrayList<String> list = new ArrayList<>(N); 23672 for (int i = 0; i < N; i++) { 23673 list.add(mPackages.keyAt(i)); 23674 } 23675 final PackageList packageList = new PackageList(list, observer); 23676 if (observer != null) { 23677 mPackageListObservers.add(packageList); 23678 } 23679 return packageList; 23680 } 23681 } 23682 23683 @Override 23684 public void removePackageListObserver(PackageListObserver observer) { 23685 synchronized (mPackages) { 23686 mPackageListObservers.remove(observer); 23687 } 23688 } 23689 23690 @Override 23691 public PackageParser.Package getDisabledPackage(String packageName) { 23692 synchronized (mPackages) { 23693 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 23694 return (ps != null) ? ps.pkg : null; 23695 } 23696 } 23697 23698 @Override 23699 public String getKnownPackageName(int knownPackage, int userId) { 23700 switch(knownPackage) { 23701 case PackageManagerInternal.PACKAGE_BROWSER: 23702 return getDefaultBrowserPackageName(userId); 23703 case PackageManagerInternal.PACKAGE_INSTALLER: 23704 return mRequiredInstallerPackage; 23705 case PackageManagerInternal.PACKAGE_SETUP_WIZARD: 23706 return mSetupWizardPackage; 23707 case PackageManagerInternal.PACKAGE_SYSTEM: 23708 return "android"; 23709 case PackageManagerInternal.PACKAGE_VERIFIER: 23710 return mRequiredVerifierPackage; 23711 case PackageManagerInternal.PACKAGE_SYSTEM_TEXT_CLASSIFIER: 23712 return mSystemTextClassifierPackage; 23713 } 23714 return null; 23715 } 23716 23717 @Override 23718 public boolean isResolveActivityComponent(ComponentInfo component) { 23719 return mResolveActivity.packageName.equals(component.packageName) 23720 && mResolveActivity.name.equals(component.name); 23721 } 23722 23723 @Override 23724 public void setLocationPackagesProvider(PackagesProvider provider) { 23725 mDefaultPermissionPolicy.setLocationPackagesProvider(provider); 23726 } 23727 23728 @Override 23729 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 23730 mDefaultPermissionPolicy.setVoiceInteractionPackagesProvider(provider); 23731 } 23732 23733 @Override 23734 public void setSmsAppPackagesProvider(PackagesProvider provider) { 23735 mDefaultPermissionPolicy.setSmsAppPackagesProvider(provider); 23736 } 23737 23738 @Override 23739 public void setDialerAppPackagesProvider(PackagesProvider provider) { 23740 mDefaultPermissionPolicy.setDialerAppPackagesProvider(provider); 23741 } 23742 23743 @Override 23744 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 23745 mDefaultPermissionPolicy.setSimCallManagerPackagesProvider(provider); 23746 } 23747 23748 @Override 23749 public void setUseOpenWifiAppPackagesProvider(PackagesProvider provider) { 23750 mDefaultPermissionPolicy.setUseOpenWifiAppPackagesProvider(provider); 23751 } 23752 23753 @Override 23754 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 23755 mDefaultPermissionPolicy.setSyncAdapterPackagesProvider(provider); 23756 } 23757 23758 @Override 23759 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 23760 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsApp(packageName, userId); 23761 } 23762 23763 @Override 23764 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 23765 synchronized (mPackages) { 23766 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 23767 } 23768 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerApp(packageName, userId); 23769 } 23770 23771 @Override 23772 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 23773 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManager( 23774 packageName, userId); 23775 } 23776 23777 @Override 23778 public void grantDefaultPermissionsToDefaultUseOpenWifiApp(String packageName, int userId) { 23779 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultUseOpenWifiApp( 23780 packageName, userId); 23781 } 23782 23783 @Override 23784 public void setKeepUninstalledPackages(final List<String> packageList) { 23785 Preconditions.checkNotNull(packageList); 23786 List<String> removedFromList = null; 23787 synchronized (mPackages) { 23788 if (mKeepUninstalledPackages != null) { 23789 final int packagesCount = mKeepUninstalledPackages.size(); 23790 for (int i = 0; i < packagesCount; i++) { 23791 String oldPackage = mKeepUninstalledPackages.get(i); 23792 if (packageList != null && packageList.contains(oldPackage)) { 23793 continue; 23794 } 23795 if (removedFromList == null) { 23796 removedFromList = new ArrayList<>(); 23797 } 23798 removedFromList.add(oldPackage); 23799 } 23800 } 23801 mKeepUninstalledPackages = new ArrayList<>(packageList); 23802 if (removedFromList != null) { 23803 final int removedCount = removedFromList.size(); 23804 for (int i = 0; i < removedCount; i++) { 23805 deletePackageIfUnusedLPr(removedFromList.get(i)); 23806 } 23807 } 23808 } 23809 } 23810 23811 @Override 23812 public boolean isPermissionsReviewRequired(String packageName, int userId) { 23813 synchronized (mPackages) { 23814 return mPermissionManager.isPermissionsReviewRequired( 23815 mPackages.get(packageName), userId); 23816 } 23817 } 23818 23819 @Override 23820 public PackageInfo getPackageInfo( 23821 String packageName, int flags, int filterCallingUid, int userId) { 23822 return PackageManagerService.this 23823 .getPackageInfoInternal(packageName, PackageManager.VERSION_CODE_HIGHEST, 23824 flags, filterCallingUid, userId); 23825 } 23826 23827 @Override 23828 public Bundle getSuspendedPackageLauncherExtras(String packageName, int userId) { 23829 synchronized (mPackages) { 23830 final PackageSetting ps = mSettings.mPackages.get(packageName); 23831 PersistableBundle launcherExtras = null; 23832 if (ps != null) { 23833 launcherExtras = ps.readUserState(userId).suspendedLauncherExtras; 23834 } 23835 return (launcherExtras != null) ? new Bundle(launcherExtras.deepCopy()) : null; 23836 } 23837 } 23838 23839 @Override 23840 public boolean isPackageSuspended(String packageName, int userId) { 23841 synchronized (mPackages) { 23842 final PackageSetting ps = mSettings.mPackages.get(packageName); 23843 return (ps != null) ? ps.getSuspended(userId) : false; 23844 } 23845 } 23846 23847 @Override 23848 public String getSuspendingPackage(String suspendedPackage, int userId) { 23849 synchronized (mPackages) { 23850 final PackageSetting ps = mSettings.mPackages.get(suspendedPackage); 23851 return (ps != null) ? ps.readUserState(userId).suspendingPackage : null; 23852 } 23853 } 23854 23855 @Override 23856 public String getSuspendedDialogMessage(String suspendedPackage, int userId) { 23857 synchronized (mPackages) { 23858 final PackageSetting ps = mSettings.mPackages.get(suspendedPackage); 23859 return (ps != null) ? ps.readUserState(userId).dialogMessage : null; 23860 } 23861 } 23862 23863 @Override 23864 public int getPackageUid(String packageName, int flags, int userId) { 23865 return PackageManagerService.this 23866 .getPackageUid(packageName, flags, userId); 23867 } 23868 23869 @Override 23870 public ApplicationInfo getApplicationInfo( 23871 String packageName, int flags, int filterCallingUid, int userId) { 23872 return PackageManagerService.this 23873 .getApplicationInfoInternal(packageName, flags, filterCallingUid, userId); 23874 } 23875 23876 @Override 23877 public ActivityInfo getActivityInfo( 23878 ComponentName component, int flags, int filterCallingUid, int userId) { 23879 return PackageManagerService.this 23880 .getActivityInfoInternal(component, flags, filterCallingUid, userId); 23881 } 23882 23883 @Override 23884 public List<ResolveInfo> queryIntentActivities( 23885 Intent intent, int flags, int filterCallingUid, int userId) { 23886 final String resolvedType = intent.resolveTypeIfNeeded(mContext.getContentResolver()); 23887 return PackageManagerService.this 23888 .queryIntentActivitiesInternal(intent, resolvedType, flags, filterCallingUid, 23889 userId, false /*resolveForStart*/, true /*allowDynamicSplits*/); 23890 } 23891 23892 @Override 23893 public List<ResolveInfo> queryIntentServices( 23894 Intent intent, int flags, int callingUid, int userId) { 23895 final String resolvedType = intent.resolveTypeIfNeeded(mContext.getContentResolver()); 23896 return PackageManagerService.this 23897 .queryIntentServicesInternal(intent, resolvedType, flags, userId, callingUid, 23898 false); 23899 } 23900 23901 @Override 23902 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 23903 int userId) { 23904 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 23905 } 23906 23907 @Override 23908 public ComponentName getDefaultHomeActivity(int userId) { 23909 return PackageManagerService.this.getDefaultHomeActivity(userId); 23910 } 23911 23912 @Override 23913 public void setDeviceAndProfileOwnerPackages( 23914 int deviceOwnerUserId, String deviceOwnerPackage, 23915 SparseArray<String> profileOwnerPackages) { 23916 mProtectedPackages.setDeviceAndProfileOwnerPackages( 23917 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 23918 } 23919 23920 @Override 23921 public boolean isPackageDataProtected(int userId, String packageName) { 23922 return mProtectedPackages.isPackageDataProtected(userId, packageName); 23923 } 23924 23925 @Override 23926 public boolean isPackageStateProtected(String packageName, int userId) { 23927 return mProtectedPackages.isPackageStateProtected(userId, packageName); 23928 } 23929 23930 @Override 23931 public boolean isPackageEphemeral(int userId, String packageName) { 23932 synchronized (mPackages) { 23933 final PackageSetting ps = mSettings.mPackages.get(packageName); 23934 return ps != null ? ps.getInstantApp(userId) : false; 23935 } 23936 } 23937 23938 @Override 23939 public boolean wasPackageEverLaunched(String packageName, int userId) { 23940 synchronized (mPackages) { 23941 return mSettings.wasPackageEverLaunchedLPr(packageName, userId); 23942 } 23943 } 23944 23945 @Override 23946 public void grantRuntimePermission(String packageName, String permName, int userId, 23947 boolean overridePolicy) { 23948 PackageManagerService.this.mPermissionManager.grantRuntimePermission( 23949 permName, packageName, overridePolicy, getCallingUid(), userId, 23950 mPermissionCallback); 23951 } 23952 23953 @Override 23954 public void revokeRuntimePermission(String packageName, String permName, int userId, 23955 boolean overridePolicy) { 23956 mPermissionManager.revokeRuntimePermission( 23957 permName, packageName, overridePolicy, getCallingUid(), userId, 23958 mPermissionCallback); 23959 } 23960 23961 @Override 23962 public String getNameForUid(int uid) { 23963 return PackageManagerService.this.getNameForUid(uid); 23964 } 23965 23966 @Override 23967 public void requestInstantAppResolutionPhaseTwo(AuxiliaryResolveInfo responseObj, 23968 Intent origIntent, String resolvedType, String callingPackage, 23969 Bundle verificationBundle, int userId) { 23970 PackageManagerService.this.requestInstantAppResolutionPhaseTwo( 23971 responseObj, origIntent, resolvedType, callingPackage, verificationBundle, 23972 userId); 23973 } 23974 23975 @Override 23976 public void grantEphemeralAccess(int userId, Intent intent, 23977 int targetAppId, int ephemeralAppId) { 23978 synchronized (mPackages) { 23979 mInstantAppRegistry.grantInstantAccessLPw(userId, intent, 23980 targetAppId, ephemeralAppId); 23981 } 23982 } 23983 23984 @Override 23985 public boolean isInstantAppInstallerComponent(ComponentName component) { 23986 synchronized (mPackages) { 23987 return mInstantAppInstallerActivity != null 23988 && mInstantAppInstallerActivity.getComponentName().equals(component); 23989 } 23990 } 23991 23992 @Override 23993 public void pruneInstantApps() { 23994 mInstantAppRegistry.pruneInstantApps(); 23995 } 23996 23997 @Override 23998 public String getSetupWizardPackageName() { 23999 return mSetupWizardPackage; 24000 } 24001 24002 public void setExternalSourcesPolicy(ExternalSourcesPolicy policy) { 24003 if (policy != null) { 24004 mExternalSourcesPolicy = policy; 24005 } 24006 } 24007 24008 @Override 24009 public boolean isPackagePersistent(String packageName) { 24010 synchronized (mPackages) { 24011 PackageParser.Package pkg = mPackages.get(packageName); 24012 return pkg != null 24013 ? ((pkg.applicationInfo.flags&(ApplicationInfo.FLAG_SYSTEM 24014 | ApplicationInfo.FLAG_PERSISTENT)) == 24015 (ApplicationInfo.FLAG_SYSTEM | ApplicationInfo.FLAG_PERSISTENT)) 24016 : false; 24017 } 24018 } 24019 24020 @Override 24021 public boolean isLegacySystemApp(Package pkg) { 24022 synchronized (mPackages) { 24023 final PackageSetting ps = (PackageSetting) pkg.mExtras; 24024 return mPromoteSystemApps 24025 && ps.isSystem() 24026 && mExistingSystemPackages.contains(ps.name); 24027 } 24028 } 24029 24030 @Override 24031 public List<PackageInfo> getOverlayPackages(int userId) { 24032 final ArrayList<PackageInfo> overlayPackages = new ArrayList<PackageInfo>(); 24033 synchronized (mPackages) { 24034 for (PackageParser.Package p : mPackages.values()) { 24035 if (p.mOverlayTarget != null) { 24036 PackageInfo pkg = generatePackageInfo((PackageSetting)p.mExtras, 0, userId); 24037 if (pkg != null) { 24038 overlayPackages.add(pkg); 24039 } 24040 } 24041 } 24042 } 24043 return overlayPackages; 24044 } 24045 24046 @Override 24047 public List<String> getTargetPackageNames(int userId) { 24048 List<String> targetPackages = new ArrayList<>(); 24049 synchronized (mPackages) { 24050 for (PackageParser.Package p : mPackages.values()) { 24051 if (p.mOverlayTarget == null) { 24052 targetPackages.add(p.packageName); 24053 } 24054 } 24055 } 24056 return targetPackages; 24057 } 24058 24059 @Override 24060 public boolean setEnabledOverlayPackages(int userId, @NonNull String targetPackageName, 24061 @Nullable List<String> overlayPackageNames) { 24062 synchronized (mPackages) { 24063 if (targetPackageName == null || mPackages.get(targetPackageName) == null) { 24064 Slog.e(TAG, "failed to find package " + targetPackageName); 24065 return false; 24066 } 24067 ArrayList<String> overlayPaths = null; 24068 if (overlayPackageNames != null && overlayPackageNames.size() > 0) { 24069 final int N = overlayPackageNames.size(); 24070 overlayPaths = new ArrayList<>(N); 24071 for (int i = 0; i < N; i++) { 24072 final String packageName = overlayPackageNames.get(i); 24073 final PackageParser.Package pkg = mPackages.get(packageName); 24074 if (pkg == null) { 24075 Slog.e(TAG, "failed to find package " + packageName); 24076 return false; 24077 } 24078 overlayPaths.add(pkg.baseCodePath); 24079 } 24080 } 24081 24082 final PackageSetting ps = mSettings.mPackages.get(targetPackageName); 24083 ps.setOverlayPaths(overlayPaths, userId); 24084 return true; 24085 } 24086 } 24087 24088 @Override 24089 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 24090 int flags, int userId, boolean resolveForStart, int filterCallingUid) { 24091 return resolveIntentInternal( 24092 intent, resolvedType, flags, userId, resolveForStart, filterCallingUid); 24093 } 24094 24095 @Override 24096 public ResolveInfo resolveService(Intent intent, String resolvedType, 24097 int flags, int userId, int callingUid) { 24098 return resolveServiceInternal(intent, resolvedType, flags, userId, callingUid); 24099 } 24100 24101 @Override 24102 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 24103 return PackageManagerService.this.resolveContentProviderInternal( 24104 name, flags, userId); 24105 } 24106 24107 @Override 24108 public void addIsolatedUid(int isolatedUid, int ownerUid) { 24109 synchronized (mPackages) { 24110 mIsolatedOwners.put(isolatedUid, ownerUid); 24111 } 24112 } 24113 24114 @Override 24115 public void removeIsolatedUid(int isolatedUid) { 24116 synchronized (mPackages) { 24117 mIsolatedOwners.delete(isolatedUid); 24118 } 24119 } 24120 24121 @Override 24122 public int getUidTargetSdkVersion(int uid) { 24123 synchronized (mPackages) { 24124 return getUidTargetSdkVersionLockedLPr(uid); 24125 } 24126 } 24127 24128 @Override 24129 public int getPackageTargetSdkVersion(String packageName) { 24130 synchronized (mPackages) { 24131 return getPackageTargetSdkVersionLockedLPr(packageName); 24132 } 24133 } 24134 24135 @Override 24136 public boolean canAccessInstantApps(int callingUid, int userId) { 24137 return PackageManagerService.this.canViewInstantApps(callingUid, userId); 24138 } 24139 24140 @Override 24141 public boolean canAccessComponent(int callingUid, ComponentName component, int userId) { 24142 synchronized (mPackages) { 24143 final PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 24144 return !PackageManagerService.this.filterAppAccessLPr( 24145 ps, callingUid, component, TYPE_UNKNOWN, userId); 24146 } 24147 } 24148 24149 @Override 24150 public boolean hasInstantApplicationMetadata(String packageName, int userId) { 24151 synchronized (mPackages) { 24152 return mInstantAppRegistry.hasInstantApplicationMetadataLPr(packageName, userId); 24153 } 24154 } 24155 24156 @Override 24157 public void notifyPackageUse(String packageName, int reason) { 24158 synchronized (mPackages) { 24159 PackageManagerService.this.notifyPackageUseLocked(packageName, reason); 24160 } 24161 } 24162 } 24163 24164 @Override 24165 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 24166 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 24167 synchronized (mPackages) { 24168 final long identity = Binder.clearCallingIdentity(); 24169 try { 24170 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierApps( 24171 packageNames, userId); 24172 } finally { 24173 Binder.restoreCallingIdentity(identity); 24174 } 24175 } 24176 } 24177 24178 @Override 24179 public void grantDefaultPermissionsToEnabledImsServices(String[] packageNames, int userId) { 24180 enforceSystemOrPhoneCaller("grantDefaultPermissionsToEnabledImsServices"); 24181 synchronized (mPackages) { 24182 final long identity = Binder.clearCallingIdentity(); 24183 try { 24184 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledImsServices( 24185 packageNames, userId); 24186 } finally { 24187 Binder.restoreCallingIdentity(identity); 24188 } 24189 } 24190 } 24191 24192 @Override 24193 public void grantDefaultPermissionsToEnabledTelephonyDataServices( 24194 String[] packageNames, int userId) { 24195 enforceSystemOrPhoneCaller("grantDefaultPermissionsToEnabledTelephonyDataServices"); 24196 synchronized (mPackages) { 24197 Binder.withCleanCallingIdentity( () -> { 24198 mDefaultPermissionPolicy. 24199 grantDefaultPermissionsToEnabledTelephonyDataServices( 24200 packageNames, userId); 24201 }); 24202 } 24203 } 24204 24205 @Override 24206 public void revokeDefaultPermissionsFromDisabledTelephonyDataServices( 24207 String[] packageNames, int userId) { 24208 enforceSystemOrPhoneCaller("revokeDefaultPermissionsFromDisabledTelephonyDataServices"); 24209 synchronized (mPackages) { 24210 Binder.withCleanCallingIdentity( () -> { 24211 mDefaultPermissionPolicy. 24212 revokeDefaultPermissionsFromDisabledTelephonyDataServices( 24213 packageNames, userId); 24214 }); 24215 } 24216 } 24217 24218 @Override 24219 public void grantDefaultPermissionsToActiveLuiApp(String packageName, int userId) { 24220 enforceSystemOrPhoneCaller("grantDefaultPermissionsToActiveLuiApp"); 24221 synchronized (mPackages) { 24222 final long identity = Binder.clearCallingIdentity(); 24223 try { 24224 mDefaultPermissionPolicy.grantDefaultPermissionsToActiveLuiApp( 24225 packageName, userId); 24226 } finally { 24227 Binder.restoreCallingIdentity(identity); 24228 } 24229 } 24230 } 24231 24232 @Override 24233 public void revokeDefaultPermissionsFromLuiApps(String[] packageNames, int userId) { 24234 enforceSystemOrPhoneCaller("revokeDefaultPermissionsFromLuiApps"); 24235 synchronized (mPackages) { 24236 final long identity = Binder.clearCallingIdentity(); 24237 try { 24238 mDefaultPermissionPolicy.revokeDefaultPermissionsFromLuiApps(packageNames, userId); 24239 } finally { 24240 Binder.restoreCallingIdentity(identity); 24241 } 24242 } 24243 } 24244 24245 private static void enforceSystemOrPhoneCaller(String tag) { 24246 int callingUid = Binder.getCallingUid(); 24247 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 24248 throw new SecurityException( 24249 "Cannot call " + tag + " from UID " + callingUid); 24250 } 24251 } 24252 24253 boolean isHistoricalPackageUsageAvailable() { 24254 return mPackageUsage.isHistoricalPackageUsageAvailable(); 24255 } 24256 24257 /** 24258 * Return a <b>copy</b> of the collection of packages known to the package manager. 24259 * @return A copy of the values of mPackages. 24260 */ 24261 Collection<PackageParser.Package> getPackages() { 24262 synchronized (mPackages) { 24263 return new ArrayList<>(mPackages.values()); 24264 } 24265 } 24266 24267 /** 24268 * Logs process start information (including base APK hash) to the security log. 24269 * @hide 24270 */ 24271 @Override 24272 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 24273 String apkFile, int pid) { 24274 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 24275 return; 24276 } 24277 if (!SecurityLog.isLoggingEnabled()) { 24278 return; 24279 } 24280 Bundle data = new Bundle(); 24281 data.putLong("startTimestamp", System.currentTimeMillis()); 24282 data.putString("processName", processName); 24283 data.putInt("uid", uid); 24284 data.putString("seinfo", seinfo); 24285 data.putString("apkFile", apkFile); 24286 data.putInt("pid", pid); 24287 Message msg = mProcessLoggingHandler.obtainMessage( 24288 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 24289 msg.setData(data); 24290 mProcessLoggingHandler.sendMessage(msg); 24291 } 24292 24293 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 24294 return mCompilerStats.getPackageStats(pkgName); 24295 } 24296 24297 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 24298 return getOrCreateCompilerPackageStats(pkg.packageName); 24299 } 24300 24301 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 24302 return mCompilerStats.getOrCreatePackageStats(pkgName); 24303 } 24304 24305 public void deleteCompilerPackageStats(String pkgName) { 24306 mCompilerStats.deletePackageStats(pkgName); 24307 } 24308 24309 @Override 24310 public int getInstallReason(String packageName, int userId) { 24311 final int callingUid = Binder.getCallingUid(); 24312 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 24313 true /* requireFullPermission */, false /* checkShell */, 24314 "get install reason"); 24315 synchronized (mPackages) { 24316 final PackageSetting ps = mSettings.mPackages.get(packageName); 24317 if (filterAppAccessLPr(ps, callingUid, userId)) { 24318 return PackageManager.INSTALL_REASON_UNKNOWN; 24319 } 24320 if (ps != null) { 24321 return ps.getInstallReason(userId); 24322 } 24323 } 24324 return PackageManager.INSTALL_REASON_UNKNOWN; 24325 } 24326 24327 @Override 24328 public boolean canRequestPackageInstalls(String packageName, int userId) { 24329 return canRequestPackageInstallsInternal(packageName, 0, userId, 24330 true /* throwIfPermNotDeclared*/); 24331 } 24332 24333 private boolean canRequestPackageInstallsInternal(String packageName, int flags, int userId, 24334 boolean throwIfPermNotDeclared) { 24335 int callingUid = Binder.getCallingUid(); 24336 int uid = getPackageUid(packageName, 0, userId); 24337 if (callingUid != uid && callingUid != Process.ROOT_UID 24338 && callingUid != Process.SYSTEM_UID) { 24339 throw new SecurityException( 24340 "Caller uid " + callingUid + " does not own package " + packageName); 24341 } 24342 ApplicationInfo info = getApplicationInfo(packageName, flags, userId); 24343 if (info == null) { 24344 return false; 24345 } 24346 if (info.targetSdkVersion < Build.VERSION_CODES.O) { 24347 return false; 24348 } 24349 String appOpPermission = Manifest.permission.REQUEST_INSTALL_PACKAGES; 24350 String[] packagesDeclaringPermission = getAppOpPermissionPackages(appOpPermission); 24351 if (!ArrayUtils.contains(packagesDeclaringPermission, packageName)) { 24352 if (throwIfPermNotDeclared) { 24353 throw new SecurityException("Need to declare " + appOpPermission 24354 + " to call this api"); 24355 } else { 24356 Slog.e(TAG, "Need to declare " + appOpPermission + " to call this api"); 24357 return false; 24358 } 24359 } 24360 if (sUserManager.hasUserRestriction(UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES, userId)) { 24361 return false; 24362 } 24363 if (mExternalSourcesPolicy != null) { 24364 int isTrusted = mExternalSourcesPolicy.getPackageTrustedToInstallApps(packageName, uid); 24365 if (isTrusted != PackageManagerInternal.ExternalSourcesPolicy.USER_DEFAULT) { 24366 return isTrusted == PackageManagerInternal.ExternalSourcesPolicy.USER_TRUSTED; 24367 } 24368 } 24369 return checkUidPermission(appOpPermission, uid) == PERMISSION_GRANTED; 24370 } 24371 24372 @Override 24373 public ComponentName getInstantAppResolverSettingsComponent() { 24374 return mInstantAppResolverSettingsComponent; 24375 } 24376 24377 @Override 24378 public ComponentName getInstantAppInstallerComponent() { 24379 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 24380 return null; 24381 } 24382 return mInstantAppInstallerActivity == null 24383 ? null : mInstantAppInstallerActivity.getComponentName(); 24384 } 24385 24386 @Override 24387 public String getInstantAppAndroidId(String packageName, int userId) { 24388 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.ACCESS_INSTANT_APPS, 24389 "getInstantAppAndroidId"); 24390 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 24391 true /* requireFullPermission */, false /* checkShell */, 24392 "getInstantAppAndroidId"); 24393 // Make sure the target is an Instant App. 24394 if (!isInstantApp(packageName, userId)) { 24395 return null; 24396 } 24397 synchronized (mPackages) { 24398 return mInstantAppRegistry.getInstantAppAndroidIdLPw(packageName, userId); 24399 } 24400 } 24401 24402 boolean canHaveOatDir(String packageName) { 24403 synchronized (mPackages) { 24404 PackageParser.Package p = mPackages.get(packageName); 24405 if (p == null) { 24406 return false; 24407 } 24408 return p.canHaveOatDir(); 24409 } 24410 } 24411 24412 private String getOatDir(PackageParser.Package pkg) { 24413 if (!pkg.canHaveOatDir()) { 24414 return null; 24415 } 24416 File codePath = new File(pkg.codePath); 24417 if (codePath.isDirectory()) { 24418 return PackageDexOptimizer.getOatDir(codePath).getAbsolutePath(); 24419 } 24420 return null; 24421 } 24422 24423 void deleteOatArtifactsOfPackage(String packageName) { 24424 final String[] instructionSets; 24425 final List<String> codePaths; 24426 final String oatDir; 24427 final PackageParser.Package pkg; 24428 synchronized (mPackages) { 24429 pkg = mPackages.get(packageName); 24430 } 24431 instructionSets = getAppDexInstructionSets(pkg.applicationInfo); 24432 codePaths = pkg.getAllCodePaths(); 24433 oatDir = getOatDir(pkg); 24434 24435 for (String codePath : codePaths) { 24436 for (String isa : instructionSets) { 24437 try { 24438 mInstaller.deleteOdex(codePath, isa, oatDir); 24439 } catch (InstallerException e) { 24440 Log.e(TAG, "Failed deleting oat files for " + codePath, e); 24441 } 24442 } 24443 } 24444 } 24445 24446 Set<String> getUnusedPackages(long downgradeTimeThresholdMillis) { 24447 Set<String> unusedPackages = new HashSet<>(); 24448 long currentTimeInMillis = System.currentTimeMillis(); 24449 synchronized (mPackages) { 24450 for (PackageParser.Package pkg : mPackages.values()) { 24451 PackageSetting ps = mSettings.mPackages.get(pkg.packageName); 24452 if (ps == null) { 24453 continue; 24454 } 24455 PackageDexUsage.PackageUseInfo packageUseInfo = 24456 getDexManager().getPackageUseInfoOrDefault(pkg.packageName); 24457 if (PackageManagerServiceUtils 24458 .isUnusedSinceTimeInMillis(ps.firstInstallTime, currentTimeInMillis, 24459 downgradeTimeThresholdMillis, packageUseInfo, 24460 pkg.getLatestPackageUseTimeInMills(), 24461 pkg.getLatestForegroundPackageUseTimeInMills())) { 24462 unusedPackages.add(pkg.packageName); 24463 } 24464 } 24465 } 24466 return unusedPackages; 24467 } 24468 24469 @Override 24470 public void setHarmfulAppWarning(@NonNull String packageName, @Nullable CharSequence warning, 24471 int userId) { 24472 final int callingUid = Binder.getCallingUid(); 24473 final int callingAppId = UserHandle.getAppId(callingUid); 24474 24475 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 24476 true /*requireFullPermission*/, true /*checkShell*/, "setHarmfulAppInfo"); 24477 24478 if (callingAppId != Process.SYSTEM_UID && callingAppId != Process.ROOT_UID && 24479 checkUidPermission(SET_HARMFUL_APP_WARNINGS, callingUid) != PERMISSION_GRANTED) { 24480 throw new SecurityException("Caller must have the " 24481 + SET_HARMFUL_APP_WARNINGS + " permission."); 24482 } 24483 24484 synchronized(mPackages) { 24485 mSettings.setHarmfulAppWarningLPw(packageName, warning, userId); 24486 scheduleWritePackageRestrictionsLocked(userId); 24487 } 24488 } 24489 24490 @Nullable 24491 @Override 24492 public CharSequence getHarmfulAppWarning(@NonNull String packageName, int userId) { 24493 final int callingUid = Binder.getCallingUid(); 24494 final int callingAppId = UserHandle.getAppId(callingUid); 24495 24496 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 24497 true /*requireFullPermission*/, true /*checkShell*/, "getHarmfulAppInfo"); 24498 24499 if (callingAppId != Process.SYSTEM_UID && callingAppId != Process.ROOT_UID && 24500 checkUidPermission(SET_HARMFUL_APP_WARNINGS, callingUid) != PERMISSION_GRANTED) { 24501 throw new SecurityException("Caller must have the " 24502 + SET_HARMFUL_APP_WARNINGS + " permission."); 24503 } 24504 24505 synchronized(mPackages) { 24506 return mSettings.getHarmfulAppWarningLPr(packageName, userId); 24507 } 24508 } 24509 24510 @Override 24511 public boolean isPackageStateProtected(@NonNull String packageName, @UserIdInt int userId) { 24512 final int callingUid = Binder.getCallingUid(); 24513 final int callingAppId = UserHandle.getAppId(callingUid); 24514 24515 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 24516 false /*requireFullPermission*/, true /*checkShell*/, "isPackageStateProtected"); 24517 24518 if (callingAppId != Process.SYSTEM_UID && callingAppId != Process.ROOT_UID 24519 && checkUidPermission(MANAGE_DEVICE_ADMINS, callingUid) != PERMISSION_GRANTED) { 24520 throw new SecurityException("Caller must have the " 24521 + MANAGE_DEVICE_ADMINS + " permission."); 24522 } 24523 24524 return mProtectedPackages.isPackageStateProtected(userId, packageName); 24525 } 24526} 24527 24528interface PackageSender { 24529 /** 24530 * @param userIds User IDs where the action occurred on a full application 24531 * @param instantUserIds User IDs where the action occurred on an instant application 24532 */ 24533 void sendPackageBroadcast(final String action, final String pkg, 24534 final Bundle extras, final int flags, final String targetPkg, 24535 final IIntentReceiver finishedReceiver, final int[] userIds, int[] instantUserIds); 24536 void sendPackageAddedForNewUsers(String packageName, boolean sendBootCompleted, 24537 boolean includeStopped, int appId, int[] userIds, int[] instantUserIds); 24538 void notifyPackageAdded(String packageName); 24539 void notifyPackageRemoved(String packageName); 24540} 24541