PackageManagerService.java revision 12633114d97c425c4d974efa075ab20ee11f1345
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_PROFILE_AND_DEVICE_OWNERS; 22import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 23import static android.Manifest.permission.REQUEST_DELETE_PACKAGES; 24import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 25import static android.Manifest.permission.WRITE_MEDIA_STORAGE; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 27import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 28import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 29import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 30import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 31import static android.content.pm.PackageManager.DELETE_KEEP_DATA; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 33import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 34import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 35import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 36import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 37import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 38import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 39import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 40import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 41import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 42import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 43import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 44import static android.content.pm.PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID; 45import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 46import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 47import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 48import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 49import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 50import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 51import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 52import static android.content.pm.PackageManager.INSTALL_FAILED_SANDBOX_VERSION_DOWNGRADE; 53import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 54import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 55import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 56import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 57import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 58import static android.content.pm.PackageManager.INSTALL_INTERNAL; 59import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 60import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 61import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 62import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 63import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 64import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 65import static android.content.pm.PackageManager.MATCH_ALL; 66import static android.content.pm.PackageManager.MATCH_ANY_USER; 67import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 68import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_AWARE; 69import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE; 70import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 71import static android.content.pm.PackageManager.MATCH_FACTORY_ONLY; 72import static android.content.pm.PackageManager.MATCH_KNOWN_PACKAGES; 73import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 74import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 75import static android.content.pm.PackageManager.MOVE_FAILED_3RD_PARTY_NOT_ALLOWED_ON_INTERNAL; 76import static android.content.pm.PackageManager.MOVE_FAILED_DEVICE_ADMIN; 77import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 78import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 79import static android.content.pm.PackageManager.MOVE_FAILED_LOCKED_USER; 80import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 81import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 82import static android.content.pm.PackageManager.PERMISSION_DENIED; 83import static android.content.pm.PackageManager.PERMISSION_GRANTED; 84import static android.content.pm.PackageParser.PARSE_IS_OEM; 85import static android.content.pm.PackageParser.PARSE_IS_PRIVILEGED; 86import static android.content.pm.PackageParser.isApkFile; 87import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 88import static android.os.storage.StorageManager.FLAG_STORAGE_CE; 89import static android.os.storage.StorageManager.FLAG_STORAGE_DE; 90import static android.system.OsConstants.O_CREAT; 91import static android.system.OsConstants.O_RDWR; 92 93import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 94import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 95import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 96import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 97import static com.android.internal.util.ArrayUtils.appendInt; 98import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 99import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 100import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 101import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 102import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 103import static com.android.server.pm.PackageManagerServiceCompilerMapping.getCompilerFilterForReason; 104import static com.android.server.pm.PackageManagerServiceCompilerMapping.getDefaultCompilerFilter; 105import static com.android.server.pm.PackageManagerServiceUtils.compareSignatures; 106import static com.android.server.pm.PackageManagerServiceUtils.compressedFileExists; 107import static com.android.server.pm.PackageManagerServiceUtils.decompressFile; 108import static com.android.server.pm.PackageManagerServiceUtils.deriveAbiOverride; 109import static com.android.server.pm.PackageManagerServiceUtils.dumpCriticalInfo; 110import static com.android.server.pm.PackageManagerServiceUtils.getCompressedFiles; 111import static com.android.server.pm.PackageManagerServiceUtils.getLastModifiedTime; 112import static com.android.server.pm.PackageManagerServiceUtils.logCriticalInfo; 113import static com.android.server.pm.PackageManagerServiceUtils.verifySignatures; 114import static com.android.server.pm.permission.PermissionsState.PERMISSION_OPERATION_FAILURE; 115import static com.android.server.pm.permission.PermissionsState.PERMISSION_OPERATION_SUCCESS; 116import static com.android.server.pm.permission.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 117import static dalvik.system.DexFile.getNonProfileGuidedCompilerFilter; 118 119import android.Manifest; 120import android.annotation.IntDef; 121import android.annotation.NonNull; 122import android.annotation.Nullable; 123import android.app.ActivityManager; 124import android.app.AppOpsManager; 125import android.app.IActivityManager; 126import android.app.ResourcesManager; 127import android.app.admin.IDevicePolicyManager; 128import android.app.admin.SecurityLog; 129import android.app.backup.IBackupManager; 130import android.content.BroadcastReceiver; 131import android.content.ComponentName; 132import android.content.ContentResolver; 133import android.content.Context; 134import android.content.IIntentReceiver; 135import android.content.Intent; 136import android.content.IntentFilter; 137import android.content.IntentSender; 138import android.content.IntentSender.SendIntentException; 139import android.content.ServiceConnection; 140import android.content.pm.ActivityInfo; 141import android.content.pm.ApplicationInfo; 142import android.content.pm.AppsQueryHelper; 143import android.content.pm.AuxiliaryResolveInfo; 144import android.content.pm.ChangedPackages; 145import android.content.pm.ComponentInfo; 146import android.content.pm.FallbackCategoryProvider; 147import android.content.pm.FeatureInfo; 148import android.content.pm.IDexModuleRegisterCallback; 149import android.content.pm.IOnPermissionsChangeListener; 150import android.content.pm.IPackageDataObserver; 151import android.content.pm.IPackageDeleteObserver; 152import android.content.pm.IPackageDeleteObserver2; 153import android.content.pm.IPackageInstallObserver2; 154import android.content.pm.IPackageInstaller; 155import android.content.pm.IPackageManager; 156import android.content.pm.IPackageManagerNative; 157import android.content.pm.IPackageMoveObserver; 158import android.content.pm.IPackageStatsObserver; 159import android.content.pm.InstantAppInfo; 160import android.content.pm.InstantAppRequest; 161import android.content.pm.InstantAppResolveInfo; 162import android.content.pm.InstrumentationInfo; 163import android.content.pm.IntentFilterVerificationInfo; 164import android.content.pm.KeySet; 165import android.content.pm.PackageCleanItem; 166import android.content.pm.PackageInfo; 167import android.content.pm.PackageInfoLite; 168import android.content.pm.PackageInstaller; 169import android.content.pm.PackageManager; 170import android.content.pm.PackageManagerInternal; 171import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 172import android.content.pm.PackageParser; 173import android.content.pm.PackageParser.ActivityIntentInfo; 174import android.content.pm.PackageParser.Package; 175import android.content.pm.PackageParser.PackageLite; 176import android.content.pm.PackageParser.PackageParserException; 177import android.content.pm.PackageStats; 178import android.content.pm.PackageUserState; 179import android.content.pm.ParceledListSlice; 180import android.content.pm.PermissionGroupInfo; 181import android.content.pm.PermissionInfo; 182import android.content.pm.ProviderInfo; 183import android.content.pm.ResolveInfo; 184import android.content.pm.ServiceInfo; 185import android.content.pm.SharedLibraryInfo; 186import android.content.pm.Signature; 187import android.content.pm.UserInfo; 188import android.content.pm.VerifierDeviceIdentity; 189import android.content.pm.VerifierInfo; 190import android.content.pm.VersionedPackage; 191import android.content.res.Resources; 192import android.database.ContentObserver; 193import android.graphics.Bitmap; 194import android.hardware.display.DisplayManager; 195import android.net.Uri; 196import android.os.Binder; 197import android.os.Build; 198import android.os.Bundle; 199import android.os.Debug; 200import android.os.Environment; 201import android.os.Environment.UserEnvironment; 202import android.os.FileUtils; 203import android.os.Handler; 204import android.os.IBinder; 205import android.os.Looper; 206import android.os.Message; 207import android.os.Parcel; 208import android.os.ParcelFileDescriptor; 209import android.os.PatternMatcher; 210import android.os.Process; 211import android.os.RemoteCallbackList; 212import android.os.RemoteException; 213import android.os.ResultReceiver; 214import android.os.SELinux; 215import android.os.ServiceManager; 216import android.os.ShellCallback; 217import android.os.SystemClock; 218import android.os.SystemProperties; 219import android.os.Trace; 220import android.os.UserHandle; 221import android.os.UserManager; 222import android.os.UserManagerInternal; 223import android.os.storage.IStorageManager; 224import android.os.storage.StorageEventListener; 225import android.os.storage.StorageManager; 226import android.os.storage.StorageManagerInternal; 227import android.os.storage.VolumeInfo; 228import android.os.storage.VolumeRecord; 229import android.provider.Settings.Global; 230import android.provider.Settings.Secure; 231import android.security.KeyStore; 232import android.security.SystemKeyStore; 233import android.service.pm.PackageServiceDumpProto; 234import android.system.ErrnoException; 235import android.system.Os; 236import android.text.TextUtils; 237import android.text.format.DateUtils; 238import android.util.ArrayMap; 239import android.util.ArraySet; 240import android.util.Base64; 241import android.util.DisplayMetrics; 242import android.util.EventLog; 243import android.util.ExceptionUtils; 244import android.util.Log; 245import android.util.LogPrinter; 246import android.util.MathUtils; 247import android.util.PackageUtils; 248import android.util.Pair; 249import android.util.PrintStreamPrinter; 250import android.util.Slog; 251import android.util.SparseArray; 252import android.util.SparseBooleanArray; 253import android.util.SparseIntArray; 254import android.util.TimingsTraceLog; 255import android.util.Xml; 256import android.util.jar.StrictJarFile; 257import android.util.proto.ProtoOutputStream; 258import android.view.Display; 259 260import com.android.internal.R; 261import com.android.internal.annotations.GuardedBy; 262import com.android.internal.app.IMediaContainerService; 263import com.android.internal.app.ResolverActivity; 264import com.android.internal.content.NativeLibraryHelper; 265import com.android.internal.content.PackageHelper; 266import com.android.internal.logging.MetricsLogger; 267import com.android.internal.logging.nano.MetricsProto.MetricsEvent; 268import com.android.internal.os.IParcelFileDescriptorFactory; 269import com.android.internal.os.RoSystemProperties; 270import com.android.internal.os.SomeArgs; 271import com.android.internal.os.Zygote; 272import com.android.internal.telephony.CarrierAppUtils; 273import com.android.internal.util.ArrayUtils; 274import com.android.internal.util.ConcurrentUtils; 275import com.android.internal.util.DumpUtils; 276import com.android.internal.util.FastPrintWriter; 277import com.android.internal.util.FastXmlSerializer; 278import com.android.internal.util.IndentingPrintWriter; 279import com.android.internal.util.Preconditions; 280import com.android.internal.util.XmlUtils; 281import com.android.server.AttributeCache; 282import com.android.server.DeviceIdleController; 283import com.android.server.EventLogTags; 284import com.android.server.FgThread; 285import com.android.server.IntentResolver; 286import com.android.server.LocalServices; 287import com.android.server.LockGuard; 288import com.android.server.ServiceThread; 289import com.android.server.SystemConfig; 290import com.android.server.SystemServerInitThreadPool; 291import com.android.server.Watchdog; 292import com.android.server.net.NetworkPolicyManagerInternal; 293import com.android.server.pm.Installer.InstallerException; 294import com.android.server.pm.Settings.DatabaseVersion; 295import com.android.server.pm.Settings.VersionInfo; 296import com.android.server.pm.dex.DexManager; 297import com.android.server.pm.dex.DexoptOptions; 298import com.android.server.pm.dex.PackageDexUsage; 299import com.android.server.pm.permission.BasePermission; 300import com.android.server.pm.permission.DefaultPermissionGrantPolicy; 301import com.android.server.pm.permission.PermissionManagerService; 302import com.android.server.pm.permission.PermissionManagerInternal; 303import com.android.server.pm.permission.DefaultPermissionGrantPolicy.DefaultPermissionGrantedCallback; 304import com.android.server.pm.permission.PermissionManagerInternal.PermissionCallback; 305import com.android.server.pm.permission.PermissionsState; 306import com.android.server.pm.permission.PermissionsState.PermissionState; 307import com.android.server.storage.DeviceStorageMonitorInternal; 308 309import dalvik.system.CloseGuard; 310import dalvik.system.DexFile; 311import dalvik.system.VMRuntime; 312 313import libcore.io.IoUtils; 314import libcore.io.Streams; 315import libcore.util.EmptyArray; 316 317import org.xmlpull.v1.XmlPullParser; 318import org.xmlpull.v1.XmlPullParserException; 319import org.xmlpull.v1.XmlSerializer; 320 321import java.io.BufferedOutputStream; 322import java.io.BufferedReader; 323import java.io.ByteArrayInputStream; 324import java.io.ByteArrayOutputStream; 325import java.io.File; 326import java.io.FileDescriptor; 327import java.io.FileInputStream; 328import java.io.FileOutputStream; 329import java.io.FileReader; 330import java.io.FilenameFilter; 331import java.io.IOException; 332import java.io.InputStream; 333import java.io.OutputStream; 334import java.io.PrintWriter; 335import java.lang.annotation.Retention; 336import java.lang.annotation.RetentionPolicy; 337import java.nio.charset.StandardCharsets; 338import java.security.DigestInputStream; 339import java.security.MessageDigest; 340import java.security.NoSuchAlgorithmException; 341import java.security.PublicKey; 342import java.security.SecureRandom; 343import java.security.cert.Certificate; 344import java.security.cert.CertificateEncodingException; 345import java.security.cert.CertificateException; 346import java.text.SimpleDateFormat; 347import java.util.ArrayList; 348import java.util.Arrays; 349import java.util.Collection; 350import java.util.Collections; 351import java.util.Comparator; 352import java.util.Date; 353import java.util.HashMap; 354import java.util.HashSet; 355import java.util.Iterator; 356import java.util.LinkedHashSet; 357import java.util.List; 358import java.util.Map; 359import java.util.Objects; 360import java.util.Set; 361import java.util.concurrent.CountDownLatch; 362import java.util.concurrent.Future; 363import java.util.concurrent.TimeUnit; 364import java.util.concurrent.atomic.AtomicBoolean; 365import java.util.concurrent.atomic.AtomicInteger; 366import java.util.zip.GZIPInputStream; 367 368/** 369 * Keep track of all those APKs everywhere. 370 * <p> 371 * Internally there are two important locks: 372 * <ul> 373 * <li>{@link #mPackages} is used to guard all in-memory parsed package details 374 * and other related state. It is a fine-grained lock that should only be held 375 * momentarily, as it's one of the most contended locks in the system. 376 * <li>{@link #mInstallLock} is used to guard all {@code installd} access, whose 377 * operations typically involve heavy lifting of application data on disk. Since 378 * {@code installd} is single-threaded, and it's operations can often be slow, 379 * this lock should never be acquired while already holding {@link #mPackages}. 380 * Conversely, it's safe to acquire {@link #mPackages} momentarily while already 381 * holding {@link #mInstallLock}. 382 * </ul> 383 * Many internal methods rely on the caller to hold the appropriate locks, and 384 * this contract is expressed through method name suffixes: 385 * <ul> 386 * <li>fooLI(): the caller must hold {@link #mInstallLock} 387 * <li>fooLIF(): the caller must hold {@link #mInstallLock} and the package 388 * being modified must be frozen 389 * <li>fooLPr(): the caller must hold {@link #mPackages} for reading 390 * <li>fooLPw(): the caller must hold {@link #mPackages} for writing 391 * </ul> 392 * <p> 393 * Because this class is very central to the platform's security; please run all 394 * CTS and unit tests whenever making modifications: 395 * 396 * <pre> 397 * $ runtest -c android.content.pm.PackageManagerTests frameworks-core 398 * $ cts-tradefed run commandAndExit cts -m CtsAppSecurityHostTestCases 399 * </pre> 400 */ 401public class PackageManagerService extends IPackageManager.Stub 402 implements PackageSender { 403 static final String TAG = "PackageManager"; 404 public static final boolean DEBUG_SETTINGS = false; 405 static final boolean DEBUG_PREFERRED = false; 406 static final boolean DEBUG_UPGRADE = false; 407 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 408 private static final boolean DEBUG_BACKUP = false; 409 public static final boolean DEBUG_INSTALL = false; 410 public static final boolean DEBUG_REMOVE = false; 411 private static final boolean DEBUG_BROADCASTS = false; 412 private static final boolean DEBUG_SHOW_INFO = false; 413 private static final boolean DEBUG_PACKAGE_INFO = false; 414 private static final boolean DEBUG_INTENT_MATCHING = false; 415 public static final boolean DEBUG_PACKAGE_SCANNING = false; 416 private static final boolean DEBUG_VERIFY = false; 417 private static final boolean DEBUG_FILTERS = false; 418 public static final boolean DEBUG_PERMISSIONS = false; 419 private static final boolean DEBUG_SHARED_LIBRARIES = false; 420 public static final boolean DEBUG_COMPRESSION = Build.IS_DEBUGGABLE; 421 422 // Debug output for dexopting. This is shared between PackageManagerService, OtaDexoptService 423 // and PackageDexOptimizer. All these classes have their own flag to allow switching a single 424 // user, but by default initialize to this. 425 public static final boolean DEBUG_DEXOPT = false; 426 427 private static final boolean DEBUG_ABI_SELECTION = false; 428 private static final boolean DEBUG_EPHEMERAL = Build.IS_DEBUGGABLE; 429 private static final boolean DEBUG_TRIAGED_MISSING = false; 430 private static final boolean DEBUG_APP_DATA = false; 431 432 /** REMOVE. According to Svet, this was only used to reset permissions during development. */ 433 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 434 435 private static final boolean HIDE_EPHEMERAL_APIS = false; 436 437 private static final boolean ENABLE_FREE_CACHE_V2 = 438 SystemProperties.getBoolean("fw.free_cache_v2", true); 439 440 private static final int RADIO_UID = Process.PHONE_UID; 441 private static final int LOG_UID = Process.LOG_UID; 442 private static final int NFC_UID = Process.NFC_UID; 443 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 444 private static final int SHELL_UID = Process.SHELL_UID; 445 446 // Suffix used during package installation when copying/moving 447 // package apks to install directory. 448 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 449 450 static final int SCAN_NO_DEX = 1<<1; 451 static final int SCAN_FORCE_DEX = 1<<2; 452 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 453 static final int SCAN_NEW_INSTALL = 1<<4; 454 static final int SCAN_UPDATE_TIME = 1<<5; 455 static final int SCAN_BOOTING = 1<<6; 456 static final int SCAN_TRUSTED_OVERLAY = 1<<7; 457 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<8; 458 static final int SCAN_REPLACING = 1<<9; 459 static final int SCAN_REQUIRE_KNOWN = 1<<10; 460 static final int SCAN_MOVE = 1<<11; 461 static final int SCAN_INITIAL = 1<<12; 462 static final int SCAN_CHECK_ONLY = 1<<13; 463 static final int SCAN_DONT_KILL_APP = 1<<14; 464 static final int SCAN_IGNORE_FROZEN = 1<<15; 465 static final int SCAN_FIRST_BOOT_OR_UPGRADE = 1<<16; 466 static final int SCAN_AS_INSTANT_APP = 1<<17; 467 static final int SCAN_AS_FULL_APP = 1<<18; 468 static final int SCAN_AS_VIRTUAL_PRELOAD = 1<<19; 469 /** Should not be with the scan flags */ 470 static final int FLAGS_REMOVE_CHATTY = 1<<31; 471 472 private static final String STATIC_SHARED_LIB_DELIMITER = "_"; 473 /** Extension of the compressed packages */ 474 public final static String COMPRESSED_EXTENSION = ".gz"; 475 /** Suffix of stub packages on the system partition */ 476 public final static String STUB_SUFFIX = "-Stub"; 477 478 private static final int[] EMPTY_INT_ARRAY = new int[0]; 479 480 private static final int TYPE_UNKNOWN = 0; 481 private static final int TYPE_ACTIVITY = 1; 482 private static final int TYPE_RECEIVER = 2; 483 private static final int TYPE_SERVICE = 3; 484 private static final int TYPE_PROVIDER = 4; 485 @IntDef(prefix = { "TYPE_" }, value = { 486 TYPE_UNKNOWN, 487 TYPE_ACTIVITY, 488 TYPE_RECEIVER, 489 TYPE_SERVICE, 490 TYPE_PROVIDER, 491 }) 492 @Retention(RetentionPolicy.SOURCE) 493 public @interface ComponentType {} 494 495 /** 496 * Timeout (in milliseconds) after which the watchdog should declare that 497 * our handler thread is wedged. The usual default for such things is one 498 * minute but we sometimes do very lengthy I/O operations on this thread, 499 * such as installing multi-gigabyte applications, so ours needs to be longer. 500 */ 501 static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 502 503 /** 504 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 505 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 506 * settings entry if available, otherwise we use the hardcoded default. If it's been 507 * more than this long since the last fstrim, we force one during the boot sequence. 508 * 509 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 510 * one gets run at the next available charging+idle time. This final mandatory 511 * no-fstrim check kicks in only of the other scheduling criteria is never met. 512 */ 513 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 514 515 /** 516 * Whether verification is enabled by default. 517 */ 518 private static final boolean DEFAULT_VERIFY_ENABLE = true; 519 520 /** 521 * The default maximum time to wait for the verification agent to return in 522 * milliseconds. 523 */ 524 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 525 526 /** 527 * The default response for package verification timeout. 528 * 529 * This can be either PackageManager.VERIFICATION_ALLOW or 530 * PackageManager.VERIFICATION_REJECT. 531 */ 532 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 533 534 public static final String PLATFORM_PACKAGE_NAME = "android"; 535 536 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 537 538 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 539 DEFAULT_CONTAINER_PACKAGE, 540 "com.android.defcontainer.DefaultContainerService"); 541 542 private static final String KILL_APP_REASON_GIDS_CHANGED = 543 "permission grant or revoke changed gids"; 544 545 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 546 "permissions revoked"; 547 548 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 549 550 private static final String PACKAGE_SCHEME = "package"; 551 552 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 553 554 private static final String PROPERTY_NAME_PM_DEXOPT_PRIV_APPS_OOB = "pm.dexopt.priv-apps-oob"; 555 556 /** Canonical intent used to identify what counts as a "web browser" app */ 557 private static final Intent sBrowserIntent; 558 static { 559 sBrowserIntent = new Intent(); 560 sBrowserIntent.setAction(Intent.ACTION_VIEW); 561 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 562 sBrowserIntent.setData(Uri.parse("http:")); 563 } 564 565 /** 566 * The set of all protected actions [i.e. those actions for which a high priority 567 * intent filter is disallowed]. 568 */ 569 private static final Set<String> PROTECTED_ACTIONS = new ArraySet<>(); 570 static { 571 PROTECTED_ACTIONS.add(Intent.ACTION_SEND); 572 PROTECTED_ACTIONS.add(Intent.ACTION_SENDTO); 573 PROTECTED_ACTIONS.add(Intent.ACTION_SEND_MULTIPLE); 574 PROTECTED_ACTIONS.add(Intent.ACTION_VIEW); 575 } 576 577 // Compilation reasons. 578 public static final int REASON_FIRST_BOOT = 0; 579 public static final int REASON_BOOT = 1; 580 public static final int REASON_INSTALL = 2; 581 public static final int REASON_BACKGROUND_DEXOPT = 3; 582 public static final int REASON_AB_OTA = 4; 583 public static final int REASON_INACTIVE_PACKAGE_DOWNGRADE = 5; 584 public static final int REASON_SHARED = 6; 585 586 public static final int REASON_LAST = REASON_SHARED; 587 588 /** 589 * Version number for the package parser cache. Increment this whenever the format or 590 * extent of cached data changes. See {@code PackageParser#setCacheDir}. 591 */ 592 private static final String PACKAGE_PARSER_CACHE_VERSION = "1"; 593 594 /** 595 * Whether the package parser cache is enabled. 596 */ 597 private static final boolean DEFAULT_PACKAGE_PARSER_CACHE_ENABLED = true; 598 599 final ServiceThread mHandlerThread; 600 601 final PackageHandler mHandler; 602 603 private final ProcessLoggingHandler mProcessLoggingHandler; 604 605 /** 606 * Messages for {@link #mHandler} that need to wait for system ready before 607 * being dispatched. 608 */ 609 private ArrayList<Message> mPostSystemReadyMessages; 610 611 final int mSdkVersion = Build.VERSION.SDK_INT; 612 613 final Context mContext; 614 final boolean mFactoryTest; 615 final boolean mOnlyCore; 616 final DisplayMetrics mMetrics; 617 final int mDefParseFlags; 618 final String[] mSeparateProcesses; 619 final boolean mIsUpgrade; 620 final boolean mIsPreNUpgrade; 621 final boolean mIsPreNMR1Upgrade; 622 623 // Have we told the Activity Manager to whitelist the default container service by uid yet? 624 @GuardedBy("mPackages") 625 boolean mDefaultContainerWhitelisted = false; 626 627 @GuardedBy("mPackages") 628 private boolean mDexOptDialogShown; 629 630 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 631 // LOCK HELD. Can be called with mInstallLock held. 632 @GuardedBy("mInstallLock") 633 final Installer mInstaller; 634 635 /** Directory where installed third-party apps stored */ 636 final File mAppInstallDir; 637 638 /** 639 * Directory to which applications installed internally have their 640 * 32 bit native libraries copied. 641 */ 642 private File mAppLib32InstallDir; 643 644 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 645 // apps. 646 final File mDrmAppPrivateInstallDir; 647 648 // ---------------------------------------------------------------- 649 650 // Lock for state used when installing and doing other long running 651 // operations. Methods that must be called with this lock held have 652 // the suffix "LI". 653 final Object mInstallLock = new Object(); 654 655 // ---------------------------------------------------------------- 656 657 // Keys are String (package name), values are Package. This also serves 658 // as the lock for the global state. Methods that must be called with 659 // this lock held have the prefix "LP". 660 @GuardedBy("mPackages") 661 final ArrayMap<String, PackageParser.Package> mPackages = 662 new ArrayMap<String, PackageParser.Package>(); 663 664 final ArrayMap<String, Set<String>> mKnownCodebase = 665 new ArrayMap<String, Set<String>>(); 666 667 // Keys are isolated uids and values are the uid of the application 668 // that created the isolated proccess. 669 @GuardedBy("mPackages") 670 final SparseIntArray mIsolatedOwners = new SparseIntArray(); 671 672 /** 673 * Tracks new system packages [received in an OTA] that we expect to 674 * find updated user-installed versions. Keys are package name, values 675 * are package location. 676 */ 677 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 678 /** 679 * Tracks high priority intent filters for protected actions. During boot, certain 680 * filter actions are protected and should never be allowed to have a high priority 681 * intent filter for them. However, there is one, and only one exception -- the 682 * setup wizard. It must be able to define a high priority intent filter for these 683 * actions to ensure there are no escapes from the wizard. We need to delay processing 684 * of these during boot as we need to look at all of the system packages in order 685 * to know which component is the setup wizard. 686 */ 687 private final List<PackageParser.ActivityIntentInfo> mProtectedFilters = new ArrayList<>(); 688 /** 689 * Whether or not processing protected filters should be deferred. 690 */ 691 private boolean mDeferProtectedFilters = true; 692 693 /** 694 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 695 */ 696 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 697 /** 698 * Whether or not system app permissions should be promoted from install to runtime. 699 */ 700 boolean mPromoteSystemApps; 701 702 @GuardedBy("mPackages") 703 final Settings mSettings; 704 705 /** 706 * Set of package names that are currently "frozen", which means active 707 * surgery is being done on the code/data for that package. The platform 708 * will refuse to launch frozen packages to avoid race conditions. 709 * 710 * @see PackageFreezer 711 */ 712 @GuardedBy("mPackages") 713 final ArraySet<String> mFrozenPackages = new ArraySet<>(); 714 715 final ProtectedPackages mProtectedPackages; 716 717 @GuardedBy("mLoadedVolumes") 718 final ArraySet<String> mLoadedVolumes = new ArraySet<>(); 719 720 boolean mFirstBoot; 721 722 PackageManagerInternal.ExternalSourcesPolicy mExternalSourcesPolicy; 723 724 @GuardedBy("mAvailableFeatures") 725 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 726 727 // If mac_permissions.xml was found for seinfo labeling. 728 boolean mFoundPolicyFile; 729 730 private final InstantAppRegistry mInstantAppRegistry; 731 732 @GuardedBy("mPackages") 733 int mChangedPackagesSequenceNumber; 734 /** 735 * List of changed [installed, removed or updated] packages. 736 * mapping from user id -> sequence number -> package name 737 */ 738 @GuardedBy("mPackages") 739 final SparseArray<SparseArray<String>> mChangedPackages = new SparseArray<>(); 740 /** 741 * The sequence number of the last change to a package. 742 * mapping from user id -> package name -> sequence number 743 */ 744 @GuardedBy("mPackages") 745 final SparseArray<Map<String, Integer>> mChangedPackagesSequenceNumbers = new SparseArray<>(); 746 747 class PackageParserCallback implements PackageParser.Callback { 748 @Override public final boolean hasFeature(String feature) { 749 return PackageManagerService.this.hasSystemFeature(feature, 0); 750 } 751 752 final List<PackageParser.Package> getStaticOverlayPackagesLocked( 753 Collection<PackageParser.Package> allPackages, String targetPackageName) { 754 List<PackageParser.Package> overlayPackages = null; 755 for (PackageParser.Package p : allPackages) { 756 if (targetPackageName.equals(p.mOverlayTarget) && p.mIsStaticOverlay) { 757 if (overlayPackages == null) { 758 overlayPackages = new ArrayList<PackageParser.Package>(); 759 } 760 overlayPackages.add(p); 761 } 762 } 763 if (overlayPackages != null) { 764 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 765 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 766 return p1.mOverlayPriority - p2.mOverlayPriority; 767 } 768 }; 769 Collections.sort(overlayPackages, cmp); 770 } 771 return overlayPackages; 772 } 773 774 final String[] getStaticOverlayPathsLocked(Collection<PackageParser.Package> allPackages, 775 String targetPackageName, String targetPath) { 776 if ("android".equals(targetPackageName)) { 777 // Static RROs targeting to "android", ie framework-res.apk, are already applied by 778 // native AssetManager. 779 return null; 780 } 781 List<PackageParser.Package> overlayPackages = 782 getStaticOverlayPackagesLocked(allPackages, targetPackageName); 783 if (overlayPackages == null || overlayPackages.isEmpty()) { 784 return null; 785 } 786 List<String> overlayPathList = null; 787 for (PackageParser.Package overlayPackage : overlayPackages) { 788 if (targetPath == null) { 789 if (overlayPathList == null) { 790 overlayPathList = new ArrayList<String>(); 791 } 792 overlayPathList.add(overlayPackage.baseCodePath); 793 continue; 794 } 795 796 try { 797 // Creates idmaps for system to parse correctly the Android manifest of the 798 // target package. 799 // 800 // OverlayManagerService will update each of them with a correct gid from its 801 // target package app id. 802 mInstaller.idmap(targetPath, overlayPackage.baseCodePath, 803 UserHandle.getSharedAppGid( 804 UserHandle.getUserGid(UserHandle.USER_SYSTEM))); 805 if (overlayPathList == null) { 806 overlayPathList = new ArrayList<String>(); 807 } 808 overlayPathList.add(overlayPackage.baseCodePath); 809 } catch (InstallerException e) { 810 Slog.e(TAG, "Failed to generate idmap for " + targetPath + " and " + 811 overlayPackage.baseCodePath); 812 } 813 } 814 return overlayPathList == null ? null : overlayPathList.toArray(new String[0]); 815 } 816 817 String[] getStaticOverlayPaths(String targetPackageName, String targetPath) { 818 synchronized (mPackages) { 819 return getStaticOverlayPathsLocked( 820 mPackages.values(), targetPackageName, targetPath); 821 } 822 } 823 824 @Override public final String[] getOverlayApks(String targetPackageName) { 825 return getStaticOverlayPaths(targetPackageName, null); 826 } 827 828 @Override public final String[] getOverlayPaths(String targetPackageName, 829 String targetPath) { 830 return getStaticOverlayPaths(targetPackageName, targetPath); 831 } 832 } 833 834 class ParallelPackageParserCallback extends PackageParserCallback { 835 List<PackageParser.Package> mOverlayPackages = null; 836 837 void findStaticOverlayPackages() { 838 synchronized (mPackages) { 839 for (PackageParser.Package p : mPackages.values()) { 840 if (p.mIsStaticOverlay) { 841 if (mOverlayPackages == null) { 842 mOverlayPackages = new ArrayList<PackageParser.Package>(); 843 } 844 mOverlayPackages.add(p); 845 } 846 } 847 } 848 } 849 850 @Override 851 synchronized String[] getStaticOverlayPaths(String targetPackageName, String targetPath) { 852 // We can trust mOverlayPackages without holding mPackages because package uninstall 853 // can't happen while running parallel parsing. 854 // Moreover holding mPackages on each parsing thread causes dead-lock. 855 return mOverlayPackages == null ? null : 856 getStaticOverlayPathsLocked(mOverlayPackages, targetPackageName, targetPath); 857 } 858 } 859 860 final PackageParser.Callback mPackageParserCallback = new PackageParserCallback(); 861 final ParallelPackageParserCallback mParallelPackageParserCallback = 862 new ParallelPackageParserCallback(); 863 864 public static final class SharedLibraryEntry { 865 public final @Nullable String path; 866 public final @Nullable String apk; 867 public final @NonNull SharedLibraryInfo info; 868 869 SharedLibraryEntry(String _path, String _apk, String name, int version, int type, 870 String declaringPackageName, int declaringPackageVersionCode) { 871 path = _path; 872 apk = _apk; 873 info = new SharedLibraryInfo(name, version, type, new VersionedPackage( 874 declaringPackageName, declaringPackageVersionCode), null); 875 } 876 } 877 878 // Currently known shared libraries. 879 final ArrayMap<String, SparseArray<SharedLibraryEntry>> mSharedLibraries = new ArrayMap<>(); 880 final ArrayMap<String, SparseArray<SharedLibraryEntry>> mStaticLibsByDeclaringPackage = 881 new ArrayMap<>(); 882 883 // All available activities, for your resolving pleasure. 884 final ActivityIntentResolver mActivities = 885 new ActivityIntentResolver(); 886 887 // All available receivers, for your resolving pleasure. 888 final ActivityIntentResolver mReceivers = 889 new ActivityIntentResolver(); 890 891 // All available services, for your resolving pleasure. 892 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 893 894 // All available providers, for your resolving pleasure. 895 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 896 897 // Mapping from provider base names (first directory in content URI codePath) 898 // to the provider information. 899 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 900 new ArrayMap<String, PackageParser.Provider>(); 901 902 // Mapping from instrumentation class names to info about them. 903 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 904 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 905 906 // Packages whose data we have transfered into another package, thus 907 // should no longer exist. 908 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 909 910 // Broadcast actions that are only available to the system. 911 @GuardedBy("mProtectedBroadcasts") 912 final ArraySet<String> mProtectedBroadcasts = new ArraySet<>(); 913 914 /** List of packages waiting for verification. */ 915 final SparseArray<PackageVerificationState> mPendingVerification 916 = new SparseArray<PackageVerificationState>(); 917 918 final PackageInstallerService mInstallerService; 919 920 private final PackageDexOptimizer mPackageDexOptimizer; 921 // DexManager handles the usage of dex files (e.g. secondary files, whether or not a package 922 // is used by other apps). 923 private final DexManager mDexManager; 924 925 private AtomicInteger mNextMoveId = new AtomicInteger(); 926 private final MoveCallbacks mMoveCallbacks; 927 928 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 929 930 // Cache of users who need badging. 931 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 932 933 /** Token for keys in mPendingVerification. */ 934 private int mPendingVerificationToken = 0; 935 936 volatile boolean mSystemReady; 937 volatile boolean mSafeMode; 938 volatile boolean mHasSystemUidErrors; 939 private volatile boolean mEphemeralAppsDisabled; 940 941 ApplicationInfo mAndroidApplication; 942 final ActivityInfo mResolveActivity = new ActivityInfo(); 943 final ResolveInfo mResolveInfo = new ResolveInfo(); 944 ComponentName mResolveComponentName; 945 PackageParser.Package mPlatformPackage; 946 ComponentName mCustomResolverComponentName; 947 948 boolean mResolverReplaced = false; 949 950 private final @Nullable ComponentName mIntentFilterVerifierComponent; 951 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 952 953 private int mIntentFilterVerificationToken = 0; 954 955 /** The service connection to the ephemeral resolver */ 956 final EphemeralResolverConnection mInstantAppResolverConnection; 957 /** Component used to show resolver settings for Instant Apps */ 958 final ComponentName mInstantAppResolverSettingsComponent; 959 960 /** Activity used to install instant applications */ 961 ActivityInfo mInstantAppInstallerActivity; 962 final ResolveInfo mInstantAppInstallerInfo = new ResolveInfo(); 963 964 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 965 = new SparseArray<IntentFilterVerificationState>(); 966 967 // TODO remove this and go through mPermissonManager directly 968 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy; 969 private final PermissionManagerInternal mPermissionManager; 970 971 // List of packages names to keep cached, even if they are uninstalled for all users 972 private List<String> mKeepUninstalledPackages; 973 974 private UserManagerInternal mUserManagerInternal; 975 976 private DeviceIdleController.LocalService mDeviceIdleController; 977 978 private File mCacheDir; 979 980 private Future<?> mPrepareAppDataFuture; 981 982 private static class IFVerificationParams { 983 PackageParser.Package pkg; 984 boolean replacing; 985 int userId; 986 int verifierUid; 987 988 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 989 int _userId, int _verifierUid) { 990 pkg = _pkg; 991 replacing = _replacing; 992 userId = _userId; 993 replacing = _replacing; 994 verifierUid = _verifierUid; 995 } 996 } 997 998 private interface IntentFilterVerifier<T extends IntentFilter> { 999 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 1000 T filter, String packageName); 1001 void startVerifications(int userId); 1002 void receiveVerificationResponse(int verificationId); 1003 } 1004 1005 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 1006 private Context mContext; 1007 private ComponentName mIntentFilterVerifierComponent; 1008 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 1009 1010 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 1011 mContext = context; 1012 mIntentFilterVerifierComponent = verifierComponent; 1013 } 1014 1015 private String getDefaultScheme() { 1016 return IntentFilter.SCHEME_HTTPS; 1017 } 1018 1019 @Override 1020 public void startVerifications(int userId) { 1021 // Launch verifications requests 1022 int count = mCurrentIntentFilterVerifications.size(); 1023 for (int n=0; n<count; n++) { 1024 int verificationId = mCurrentIntentFilterVerifications.get(n); 1025 final IntentFilterVerificationState ivs = 1026 mIntentFilterVerificationStates.get(verificationId); 1027 1028 String packageName = ivs.getPackageName(); 1029 1030 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 1031 final int filterCount = filters.size(); 1032 ArraySet<String> domainsSet = new ArraySet<>(); 1033 for (int m=0; m<filterCount; m++) { 1034 PackageParser.ActivityIntentInfo filter = filters.get(m); 1035 domainsSet.addAll(filter.getHostsList()); 1036 } 1037 synchronized (mPackages) { 1038 if (mSettings.createIntentFilterVerificationIfNeededLPw( 1039 packageName, domainsSet) != null) { 1040 scheduleWriteSettingsLocked(); 1041 } 1042 } 1043 sendVerificationRequest(verificationId, ivs); 1044 } 1045 mCurrentIntentFilterVerifications.clear(); 1046 } 1047 1048 private void sendVerificationRequest(int verificationId, IntentFilterVerificationState ivs) { 1049 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 1050 verificationIntent.putExtra( 1051 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 1052 verificationId); 1053 verificationIntent.putExtra( 1054 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 1055 getDefaultScheme()); 1056 verificationIntent.putExtra( 1057 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 1058 ivs.getHostsString()); 1059 verificationIntent.putExtra( 1060 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 1061 ivs.getPackageName()); 1062 verificationIntent.setComponent(mIntentFilterVerifierComponent); 1063 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 1064 1065 DeviceIdleController.LocalService idleController = getDeviceIdleController(); 1066 idleController.addPowerSaveTempWhitelistApp(Process.myUid(), 1067 mIntentFilterVerifierComponent.getPackageName(), getVerificationTimeout(), 1068 UserHandle.USER_SYSTEM, true, "intent filter verifier"); 1069 1070 mContext.sendBroadcastAsUser(verificationIntent, UserHandle.SYSTEM); 1071 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1072 "Sending IntentFilter verification broadcast"); 1073 } 1074 1075 public void receiveVerificationResponse(int verificationId) { 1076 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 1077 1078 final boolean verified = ivs.isVerified(); 1079 1080 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 1081 final int count = filters.size(); 1082 if (DEBUG_DOMAIN_VERIFICATION) { 1083 Slog.i(TAG, "Received verification response " + verificationId 1084 + " for " + count + " filters, verified=" + verified); 1085 } 1086 for (int n=0; n<count; n++) { 1087 PackageParser.ActivityIntentInfo filter = filters.get(n); 1088 filter.setVerified(verified); 1089 1090 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 1091 + " verified with result:" + verified + " and hosts:" 1092 + ivs.getHostsString()); 1093 } 1094 1095 mIntentFilterVerificationStates.remove(verificationId); 1096 1097 final String packageName = ivs.getPackageName(); 1098 IntentFilterVerificationInfo ivi = null; 1099 1100 synchronized (mPackages) { 1101 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 1102 } 1103 if (ivi == null) { 1104 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 1105 + verificationId + " packageName:" + packageName); 1106 return; 1107 } 1108 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1109 "Updating IntentFilterVerificationInfo for package " + packageName 1110 +" verificationId:" + verificationId); 1111 1112 synchronized (mPackages) { 1113 if (verified) { 1114 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 1115 } else { 1116 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 1117 } 1118 scheduleWriteSettingsLocked(); 1119 1120 final int userId = ivs.getUserId(); 1121 if (userId != UserHandle.USER_ALL) { 1122 final int userStatus = 1123 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 1124 1125 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 1126 boolean needUpdate = false; 1127 1128 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 1129 // already been set by the User thru the Disambiguation dialog 1130 switch (userStatus) { 1131 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 1132 if (verified) { 1133 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 1134 } else { 1135 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 1136 } 1137 needUpdate = true; 1138 break; 1139 1140 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 1141 if (verified) { 1142 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 1143 needUpdate = true; 1144 } 1145 break; 1146 1147 default: 1148 // Nothing to do 1149 } 1150 1151 if (needUpdate) { 1152 mSettings.updateIntentFilterVerificationStatusLPw( 1153 packageName, updatedStatus, userId); 1154 scheduleWritePackageRestrictionsLocked(userId); 1155 } 1156 } 1157 } 1158 } 1159 1160 @Override 1161 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 1162 ActivityIntentInfo filter, String packageName) { 1163 if (!hasValidDomains(filter)) { 1164 return false; 1165 } 1166 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 1167 if (ivs == null) { 1168 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 1169 packageName); 1170 } 1171 if (DEBUG_DOMAIN_VERIFICATION) { 1172 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 1173 } 1174 ivs.addFilter(filter); 1175 return true; 1176 } 1177 1178 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 1179 int userId, int verificationId, String packageName) { 1180 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 1181 verifierUid, userId, packageName); 1182 ivs.setPendingState(); 1183 synchronized (mPackages) { 1184 mIntentFilterVerificationStates.append(verificationId, ivs); 1185 mCurrentIntentFilterVerifications.add(verificationId); 1186 } 1187 return ivs; 1188 } 1189 } 1190 1191 private static boolean hasValidDomains(ActivityIntentInfo filter) { 1192 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 1193 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 1194 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 1195 } 1196 1197 // Set of pending broadcasts for aggregating enable/disable of components. 1198 static class PendingPackageBroadcasts { 1199 // for each user id, a map of <package name -> components within that package> 1200 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 1201 1202 public PendingPackageBroadcasts() { 1203 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 1204 } 1205 1206 public ArrayList<String> get(int userId, String packageName) { 1207 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1208 return packages.get(packageName); 1209 } 1210 1211 public void put(int userId, String packageName, ArrayList<String> components) { 1212 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 1213 packages.put(packageName, components); 1214 } 1215 1216 public void remove(int userId, String packageName) { 1217 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 1218 if (packages != null) { 1219 packages.remove(packageName); 1220 } 1221 } 1222 1223 public void remove(int userId) { 1224 mUidMap.remove(userId); 1225 } 1226 1227 public int userIdCount() { 1228 return mUidMap.size(); 1229 } 1230 1231 public int userIdAt(int n) { 1232 return mUidMap.keyAt(n); 1233 } 1234 1235 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 1236 return mUidMap.get(userId); 1237 } 1238 1239 public int size() { 1240 // total number of pending broadcast entries across all userIds 1241 int num = 0; 1242 for (int i = 0; i< mUidMap.size(); i++) { 1243 num += mUidMap.valueAt(i).size(); 1244 } 1245 return num; 1246 } 1247 1248 public void clear() { 1249 mUidMap.clear(); 1250 } 1251 1252 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 1253 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 1254 if (map == null) { 1255 map = new ArrayMap<String, ArrayList<String>>(); 1256 mUidMap.put(userId, map); 1257 } 1258 return map; 1259 } 1260 } 1261 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 1262 1263 // Service Connection to remote media container service to copy 1264 // package uri's from external media onto secure containers 1265 // or internal storage. 1266 private IMediaContainerService mContainerService = null; 1267 1268 static final int SEND_PENDING_BROADCAST = 1; 1269 static final int MCS_BOUND = 3; 1270 static final int END_COPY = 4; 1271 static final int INIT_COPY = 5; 1272 static final int MCS_UNBIND = 6; 1273 static final int START_CLEANING_PACKAGE = 7; 1274 static final int FIND_INSTALL_LOC = 8; 1275 static final int POST_INSTALL = 9; 1276 static final int MCS_RECONNECT = 10; 1277 static final int MCS_GIVE_UP = 11; 1278 static final int WRITE_SETTINGS = 13; 1279 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 1280 static final int PACKAGE_VERIFIED = 15; 1281 static final int CHECK_PENDING_VERIFICATION = 16; 1282 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 1283 static final int INTENT_FILTER_VERIFIED = 18; 1284 static final int WRITE_PACKAGE_LIST = 19; 1285 static final int INSTANT_APP_RESOLUTION_PHASE_TWO = 20; 1286 1287 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 1288 1289 // Delay time in millisecs 1290 static final int BROADCAST_DELAY = 10 * 1000; 1291 1292 private static final long DEFAULT_UNUSED_STATIC_SHARED_LIB_MIN_CACHE_PERIOD = 1293 2 * 60 * 60 * 1000L; /* two hours */ 1294 1295 static UserManagerService sUserManager; 1296 1297 // Stores a list of users whose package restrictions file needs to be updated 1298 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 1299 1300 final private DefaultContainerConnection mDefContainerConn = 1301 new DefaultContainerConnection(); 1302 class DefaultContainerConnection implements ServiceConnection { 1303 public void onServiceConnected(ComponentName name, IBinder service) { 1304 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 1305 final IMediaContainerService imcs = IMediaContainerService.Stub 1306 .asInterface(Binder.allowBlocking(service)); 1307 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 1308 } 1309 1310 public void onServiceDisconnected(ComponentName name) { 1311 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 1312 } 1313 } 1314 1315 // Recordkeeping of restore-after-install operations that are currently in flight 1316 // between the Package Manager and the Backup Manager 1317 static class PostInstallData { 1318 public InstallArgs args; 1319 public PackageInstalledInfo res; 1320 1321 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 1322 args = _a; 1323 res = _r; 1324 } 1325 } 1326 1327 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 1328 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 1329 1330 // XML tags for backup/restore of various bits of state 1331 private static final String TAG_PREFERRED_BACKUP = "pa"; 1332 private static final String TAG_DEFAULT_APPS = "da"; 1333 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 1334 1335 private static final String TAG_PERMISSION_BACKUP = "perm-grant-backup"; 1336 private static final String TAG_ALL_GRANTS = "rt-grants"; 1337 private static final String TAG_GRANT = "grant"; 1338 private static final String ATTR_PACKAGE_NAME = "pkg"; 1339 1340 private static final String TAG_PERMISSION = "perm"; 1341 private static final String ATTR_PERMISSION_NAME = "name"; 1342 private static final String ATTR_IS_GRANTED = "g"; 1343 private static final String ATTR_USER_SET = "set"; 1344 private static final String ATTR_USER_FIXED = "fixed"; 1345 private static final String ATTR_REVOKE_ON_UPGRADE = "rou"; 1346 1347 // System/policy permission grants are not backed up 1348 private static final int SYSTEM_RUNTIME_GRANT_MASK = 1349 FLAG_PERMISSION_POLICY_FIXED 1350 | FLAG_PERMISSION_SYSTEM_FIXED 1351 | FLAG_PERMISSION_GRANTED_BY_DEFAULT; 1352 1353 // And we back up these user-adjusted states 1354 private static final int USER_RUNTIME_GRANT_MASK = 1355 FLAG_PERMISSION_USER_SET 1356 | FLAG_PERMISSION_USER_FIXED 1357 | FLAG_PERMISSION_REVOKE_ON_UPGRADE; 1358 1359 final @Nullable String mRequiredVerifierPackage; 1360 final @NonNull String mRequiredInstallerPackage; 1361 final @NonNull String mRequiredUninstallerPackage; 1362 final @Nullable String mSetupWizardPackage; 1363 final @Nullable String mStorageManagerPackage; 1364 final @NonNull String mServicesSystemSharedLibraryPackageName; 1365 final @NonNull String mSharedSystemSharedLibraryPackageName; 1366 1367 private final PackageUsage mPackageUsage = new PackageUsage(); 1368 private final CompilerStats mCompilerStats = new CompilerStats(); 1369 1370 class PackageHandler extends Handler { 1371 private boolean mBound = false; 1372 final ArrayList<HandlerParams> mPendingInstalls = 1373 new ArrayList<HandlerParams>(); 1374 1375 private boolean connectToService() { 1376 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1377 " DefaultContainerService"); 1378 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1379 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1380 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1381 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1382 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1383 mBound = true; 1384 return true; 1385 } 1386 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1387 return false; 1388 } 1389 1390 private void disconnectService() { 1391 mContainerService = null; 1392 mBound = false; 1393 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1394 mContext.unbindService(mDefContainerConn); 1395 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1396 } 1397 1398 PackageHandler(Looper looper) { 1399 super(looper); 1400 } 1401 1402 public void handleMessage(Message msg) { 1403 try { 1404 doHandleMessage(msg); 1405 } finally { 1406 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1407 } 1408 } 1409 1410 void doHandleMessage(Message msg) { 1411 switch (msg.what) { 1412 case INIT_COPY: { 1413 HandlerParams params = (HandlerParams) msg.obj; 1414 int idx = mPendingInstalls.size(); 1415 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1416 // If a bind was already initiated we dont really 1417 // need to do anything. The pending install 1418 // will be processed later on. 1419 if (!mBound) { 1420 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1421 System.identityHashCode(mHandler)); 1422 // If this is the only one pending we might 1423 // have to bind to the service again. 1424 if (!connectToService()) { 1425 Slog.e(TAG, "Failed to bind to media container service"); 1426 params.serviceError(); 1427 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1428 System.identityHashCode(mHandler)); 1429 if (params.traceMethod != null) { 1430 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1431 params.traceCookie); 1432 } 1433 return; 1434 } else { 1435 // Once we bind to the service, the first 1436 // pending request will be processed. 1437 mPendingInstalls.add(idx, params); 1438 } 1439 } else { 1440 mPendingInstalls.add(idx, params); 1441 // Already bound to the service. Just make 1442 // sure we trigger off processing the first request. 1443 if (idx == 0) { 1444 mHandler.sendEmptyMessage(MCS_BOUND); 1445 } 1446 } 1447 break; 1448 } 1449 case MCS_BOUND: { 1450 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1451 if (msg.obj != null) { 1452 mContainerService = (IMediaContainerService) msg.obj; 1453 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1454 System.identityHashCode(mHandler)); 1455 } 1456 if (mContainerService == null) { 1457 if (!mBound) { 1458 // Something seriously wrong since we are not bound and we are not 1459 // waiting for connection. Bail out. 1460 Slog.e(TAG, "Cannot bind to media container service"); 1461 for (HandlerParams params : mPendingInstalls) { 1462 // Indicate service bind error 1463 params.serviceError(); 1464 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1465 System.identityHashCode(params)); 1466 if (params.traceMethod != null) { 1467 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1468 params.traceMethod, params.traceCookie); 1469 } 1470 return; 1471 } 1472 mPendingInstalls.clear(); 1473 } else { 1474 Slog.w(TAG, "Waiting to connect to media container service"); 1475 } 1476 } else if (mPendingInstalls.size() > 0) { 1477 HandlerParams params = mPendingInstalls.get(0); 1478 if (params != null) { 1479 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1480 System.identityHashCode(params)); 1481 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1482 if (params.startCopy()) { 1483 // We are done... look for more work or to 1484 // go idle. 1485 if (DEBUG_SD_INSTALL) Log.i(TAG, 1486 "Checking for more work or unbind..."); 1487 // Delete pending install 1488 if (mPendingInstalls.size() > 0) { 1489 mPendingInstalls.remove(0); 1490 } 1491 if (mPendingInstalls.size() == 0) { 1492 if (mBound) { 1493 if (DEBUG_SD_INSTALL) Log.i(TAG, 1494 "Posting delayed MCS_UNBIND"); 1495 removeMessages(MCS_UNBIND); 1496 Message ubmsg = obtainMessage(MCS_UNBIND); 1497 // Unbind after a little delay, to avoid 1498 // continual thrashing. 1499 sendMessageDelayed(ubmsg, 10000); 1500 } 1501 } else { 1502 // There are more pending requests in queue. 1503 // Just post MCS_BOUND message to trigger processing 1504 // of next pending install. 1505 if (DEBUG_SD_INSTALL) Log.i(TAG, 1506 "Posting MCS_BOUND for next work"); 1507 mHandler.sendEmptyMessage(MCS_BOUND); 1508 } 1509 } 1510 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1511 } 1512 } else { 1513 // Should never happen ideally. 1514 Slog.w(TAG, "Empty queue"); 1515 } 1516 break; 1517 } 1518 case MCS_RECONNECT: { 1519 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1520 if (mPendingInstalls.size() > 0) { 1521 if (mBound) { 1522 disconnectService(); 1523 } 1524 if (!connectToService()) { 1525 Slog.e(TAG, "Failed to bind to media container service"); 1526 for (HandlerParams params : mPendingInstalls) { 1527 // Indicate service bind error 1528 params.serviceError(); 1529 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1530 System.identityHashCode(params)); 1531 } 1532 mPendingInstalls.clear(); 1533 } 1534 } 1535 break; 1536 } 1537 case MCS_UNBIND: { 1538 // If there is no actual work left, then time to unbind. 1539 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1540 1541 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1542 if (mBound) { 1543 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1544 1545 disconnectService(); 1546 } 1547 } else if (mPendingInstalls.size() > 0) { 1548 // There are more pending requests in queue. 1549 // Just post MCS_BOUND message to trigger processing 1550 // of next pending install. 1551 mHandler.sendEmptyMessage(MCS_BOUND); 1552 } 1553 1554 break; 1555 } 1556 case MCS_GIVE_UP: { 1557 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1558 HandlerParams params = mPendingInstalls.remove(0); 1559 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1560 System.identityHashCode(params)); 1561 break; 1562 } 1563 case SEND_PENDING_BROADCAST: { 1564 String packages[]; 1565 ArrayList<String> components[]; 1566 int size = 0; 1567 int uids[]; 1568 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1569 synchronized (mPackages) { 1570 if (mPendingBroadcasts == null) { 1571 return; 1572 } 1573 size = mPendingBroadcasts.size(); 1574 if (size <= 0) { 1575 // Nothing to be done. Just return 1576 return; 1577 } 1578 packages = new String[size]; 1579 components = new ArrayList[size]; 1580 uids = new int[size]; 1581 int i = 0; // filling out the above arrays 1582 1583 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1584 int packageUserId = mPendingBroadcasts.userIdAt(n); 1585 Iterator<Map.Entry<String, ArrayList<String>>> it 1586 = mPendingBroadcasts.packagesForUserId(packageUserId) 1587 .entrySet().iterator(); 1588 while (it.hasNext() && i < size) { 1589 Map.Entry<String, ArrayList<String>> ent = it.next(); 1590 packages[i] = ent.getKey(); 1591 components[i] = ent.getValue(); 1592 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1593 uids[i] = (ps != null) 1594 ? UserHandle.getUid(packageUserId, ps.appId) 1595 : -1; 1596 i++; 1597 } 1598 } 1599 size = i; 1600 mPendingBroadcasts.clear(); 1601 } 1602 // Send broadcasts 1603 for (int i = 0; i < size; i++) { 1604 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1605 } 1606 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1607 break; 1608 } 1609 case START_CLEANING_PACKAGE: { 1610 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1611 final String packageName = (String)msg.obj; 1612 final int userId = msg.arg1; 1613 final boolean andCode = msg.arg2 != 0; 1614 synchronized (mPackages) { 1615 if (userId == UserHandle.USER_ALL) { 1616 int[] users = sUserManager.getUserIds(); 1617 for (int user : users) { 1618 mSettings.addPackageToCleanLPw( 1619 new PackageCleanItem(user, packageName, andCode)); 1620 } 1621 } else { 1622 mSettings.addPackageToCleanLPw( 1623 new PackageCleanItem(userId, packageName, andCode)); 1624 } 1625 } 1626 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1627 startCleaningPackages(); 1628 } break; 1629 case POST_INSTALL: { 1630 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1631 1632 PostInstallData data = mRunningInstalls.get(msg.arg1); 1633 final boolean didRestore = (msg.arg2 != 0); 1634 mRunningInstalls.delete(msg.arg1); 1635 1636 if (data != null) { 1637 InstallArgs args = data.args; 1638 PackageInstalledInfo parentRes = data.res; 1639 1640 final boolean grantPermissions = (args.installFlags 1641 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0; 1642 final boolean killApp = (args.installFlags 1643 & PackageManager.INSTALL_DONT_KILL_APP) == 0; 1644 final boolean virtualPreload = ((args.installFlags 1645 & PackageManager.INSTALL_VIRTUAL_PRELOAD) != 0); 1646 final String[] grantedPermissions = args.installGrantPermissions; 1647 1648 // Handle the parent package 1649 handlePackagePostInstall(parentRes, grantPermissions, killApp, 1650 virtualPreload, grantedPermissions, didRestore, 1651 args.installerPackageName, args.observer); 1652 1653 // Handle the child packages 1654 final int childCount = (parentRes.addedChildPackages != null) 1655 ? parentRes.addedChildPackages.size() : 0; 1656 for (int i = 0; i < childCount; i++) { 1657 PackageInstalledInfo childRes = parentRes.addedChildPackages.valueAt(i); 1658 handlePackagePostInstall(childRes, grantPermissions, killApp, 1659 virtualPreload, grantedPermissions, false /*didRestore*/, 1660 args.installerPackageName, args.observer); 1661 } 1662 1663 // Log tracing if needed 1664 if (args.traceMethod != null) { 1665 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1666 args.traceCookie); 1667 } 1668 } else { 1669 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1670 } 1671 1672 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1673 } break; 1674 case WRITE_SETTINGS: { 1675 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1676 synchronized (mPackages) { 1677 removeMessages(WRITE_SETTINGS); 1678 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1679 mSettings.writeLPr(); 1680 mDirtyUsers.clear(); 1681 } 1682 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1683 } break; 1684 case WRITE_PACKAGE_RESTRICTIONS: { 1685 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1686 synchronized (mPackages) { 1687 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1688 for (int userId : mDirtyUsers) { 1689 mSettings.writePackageRestrictionsLPr(userId); 1690 } 1691 mDirtyUsers.clear(); 1692 } 1693 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1694 } break; 1695 case WRITE_PACKAGE_LIST: { 1696 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1697 synchronized (mPackages) { 1698 removeMessages(WRITE_PACKAGE_LIST); 1699 mSettings.writePackageListLPr(msg.arg1); 1700 } 1701 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1702 } break; 1703 case CHECK_PENDING_VERIFICATION: { 1704 final int verificationId = msg.arg1; 1705 final PackageVerificationState state = mPendingVerification.get(verificationId); 1706 1707 if ((state != null) && !state.timeoutExtended()) { 1708 final InstallArgs args = state.getInstallArgs(); 1709 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1710 1711 Slog.i(TAG, "Verification timed out for " + originUri); 1712 mPendingVerification.remove(verificationId); 1713 1714 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1715 1716 final UserHandle user = args.getUser(); 1717 if (getDefaultVerificationResponse(user) 1718 == PackageManager.VERIFICATION_ALLOW) { 1719 Slog.i(TAG, "Continuing with installation of " + originUri); 1720 state.setVerifierResponse(Binder.getCallingUid(), 1721 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1722 broadcastPackageVerified(verificationId, originUri, 1723 PackageManager.VERIFICATION_ALLOW, user); 1724 try { 1725 ret = args.copyApk(mContainerService, true); 1726 } catch (RemoteException e) { 1727 Slog.e(TAG, "Could not contact the ContainerService"); 1728 } 1729 } else { 1730 broadcastPackageVerified(verificationId, originUri, 1731 PackageManager.VERIFICATION_REJECT, user); 1732 } 1733 1734 Trace.asyncTraceEnd( 1735 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1736 1737 processPendingInstall(args, ret); 1738 mHandler.sendEmptyMessage(MCS_UNBIND); 1739 } 1740 break; 1741 } 1742 case PACKAGE_VERIFIED: { 1743 final int verificationId = msg.arg1; 1744 1745 final PackageVerificationState state = mPendingVerification.get(verificationId); 1746 if (state == null) { 1747 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1748 break; 1749 } 1750 1751 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1752 1753 state.setVerifierResponse(response.callerUid, response.code); 1754 1755 if (state.isVerificationComplete()) { 1756 mPendingVerification.remove(verificationId); 1757 1758 final InstallArgs args = state.getInstallArgs(); 1759 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1760 1761 int ret; 1762 if (state.isInstallAllowed()) { 1763 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1764 broadcastPackageVerified(verificationId, originUri, 1765 response.code, state.getInstallArgs().getUser()); 1766 try { 1767 ret = args.copyApk(mContainerService, true); 1768 } catch (RemoteException e) { 1769 Slog.e(TAG, "Could not contact the ContainerService"); 1770 } 1771 } else { 1772 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1773 } 1774 1775 Trace.asyncTraceEnd( 1776 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1777 1778 processPendingInstall(args, ret); 1779 mHandler.sendEmptyMessage(MCS_UNBIND); 1780 } 1781 1782 break; 1783 } 1784 case START_INTENT_FILTER_VERIFICATIONS: { 1785 IFVerificationParams params = (IFVerificationParams) msg.obj; 1786 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1787 params.replacing, params.pkg); 1788 break; 1789 } 1790 case INTENT_FILTER_VERIFIED: { 1791 final int verificationId = msg.arg1; 1792 1793 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1794 verificationId); 1795 if (state == null) { 1796 Slog.w(TAG, "Invalid IntentFilter verification token " 1797 + verificationId + " received"); 1798 break; 1799 } 1800 1801 final int userId = state.getUserId(); 1802 1803 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1804 "Processing IntentFilter verification with token:" 1805 + verificationId + " and userId:" + userId); 1806 1807 final IntentFilterVerificationResponse response = 1808 (IntentFilterVerificationResponse) msg.obj; 1809 1810 state.setVerifierResponse(response.callerUid, response.code); 1811 1812 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1813 "IntentFilter verification with token:" + verificationId 1814 + " and userId:" + userId 1815 + " is settings verifier response with response code:" 1816 + response.code); 1817 1818 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1819 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1820 + response.getFailedDomainsString()); 1821 } 1822 1823 if (state.isVerificationComplete()) { 1824 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1825 } else { 1826 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1827 "IntentFilter verification with token:" + verificationId 1828 + " was not said to be complete"); 1829 } 1830 1831 break; 1832 } 1833 case INSTANT_APP_RESOLUTION_PHASE_TWO: { 1834 InstantAppResolver.doInstantAppResolutionPhaseTwo(mContext, 1835 mInstantAppResolverConnection, 1836 (InstantAppRequest) msg.obj, 1837 mInstantAppInstallerActivity, 1838 mHandler); 1839 } 1840 } 1841 } 1842 } 1843 1844 private PermissionCallback mPermissionCallback = new PermissionCallback() { 1845 @Override 1846 public void onGidsChanged(int appId, int userId) { 1847 mHandler.post(new Runnable() { 1848 @Override 1849 public void run() { 1850 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 1851 } 1852 }); 1853 } 1854 @Override 1855 public void onPermissionGranted(int uid, int userId) { 1856 mOnPermissionChangeListeners.onPermissionsChanged(uid); 1857 1858 // Not critical; if this is lost, the application has to request again. 1859 synchronized (mPackages) { 1860 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 1861 } 1862 } 1863 @Override 1864 public void onInstallPermissionGranted() { 1865 synchronized (mPackages) { 1866 scheduleWriteSettingsLocked(); 1867 } 1868 } 1869 @Override 1870 public void onPermissionRevoked(int uid, int userId) { 1871 mOnPermissionChangeListeners.onPermissionsChanged(uid); 1872 1873 synchronized (mPackages) { 1874 // Critical; after this call the application should never have the permission 1875 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 1876 } 1877 1878 final int appId = UserHandle.getAppId(uid); 1879 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 1880 } 1881 @Override 1882 public void onInstallPermissionRevoked() { 1883 synchronized (mPackages) { 1884 scheduleWriteSettingsLocked(); 1885 } 1886 } 1887 @Override 1888 public void onPermissionUpdated(int[] updatedUserIds, boolean sync) { 1889 synchronized (mPackages) { 1890 for (int userId : updatedUserIds) { 1891 mSettings.writeRuntimePermissionsForUserLPr(userId, sync); 1892 } 1893 } 1894 } 1895 @Override 1896 public void onInstallPermissionUpdated() { 1897 synchronized (mPackages) { 1898 scheduleWriteSettingsLocked(); 1899 } 1900 } 1901 @Override 1902 public void onPermissionRemoved() { 1903 synchronized (mPackages) { 1904 mSettings.writeLPr(); 1905 } 1906 } 1907 }; 1908 1909 private void handlePackagePostInstall(PackageInstalledInfo res, boolean grantPermissions, 1910 boolean killApp, boolean virtualPreload, String[] grantedPermissions, 1911 boolean launchedForRestore, String installerPackage, 1912 IPackageInstallObserver2 installObserver) { 1913 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1914 // Send the removed broadcasts 1915 if (res.removedInfo != null) { 1916 res.removedInfo.sendPackageRemovedBroadcasts(killApp); 1917 } 1918 1919 // Now that we successfully installed the package, grant runtime 1920 // permissions if requested before broadcasting the install. Also 1921 // for legacy apps in permission review mode we clear the permission 1922 // review flag which is used to emulate runtime permissions for 1923 // legacy apps. 1924 if (grantPermissions) { 1925 final int callingUid = Binder.getCallingUid(); 1926 mPermissionManager.grantRequestedRuntimePermissions( 1927 res.pkg, res.newUsers, grantedPermissions, callingUid, 1928 mPermissionCallback); 1929 } 1930 1931 final boolean update = res.removedInfo != null 1932 && res.removedInfo.removedPackage != null; 1933 final String installerPackageName = 1934 res.installerPackageName != null 1935 ? res.installerPackageName 1936 : res.removedInfo != null 1937 ? res.removedInfo.installerPackageName 1938 : null; 1939 1940 // If this is the first time we have child packages for a disabled privileged 1941 // app that had no children, we grant requested runtime permissions to the new 1942 // children if the parent on the system image had them already granted. 1943 if (res.pkg.parentPackage != null) { 1944 final int callingUid = Binder.getCallingUid(); 1945 mPermissionManager.grantRuntimePermissionsGrantedToDisabledPackage( 1946 res.pkg, callingUid, mPermissionCallback); 1947 } 1948 1949 synchronized (mPackages) { 1950 mInstantAppRegistry.onPackageInstalledLPw(res.pkg, res.newUsers); 1951 } 1952 1953 final String packageName = res.pkg.applicationInfo.packageName; 1954 1955 // Determine the set of users who are adding this package for 1956 // the first time vs. those who are seeing an update. 1957 int[] firstUsers = EMPTY_INT_ARRAY; 1958 int[] updateUsers = EMPTY_INT_ARRAY; 1959 final boolean allNewUsers = res.origUsers == null || res.origUsers.length == 0; 1960 final PackageSetting ps = (PackageSetting) res.pkg.mExtras; 1961 for (int newUser : res.newUsers) { 1962 if (ps.getInstantApp(newUser)) { 1963 continue; 1964 } 1965 if (allNewUsers) { 1966 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1967 continue; 1968 } 1969 boolean isNew = true; 1970 for (int origUser : res.origUsers) { 1971 if (origUser == newUser) { 1972 isNew = false; 1973 break; 1974 } 1975 } 1976 if (isNew) { 1977 firstUsers = ArrayUtils.appendInt(firstUsers, newUser); 1978 } else { 1979 updateUsers = ArrayUtils.appendInt(updateUsers, newUser); 1980 } 1981 } 1982 1983 // Send installed broadcasts if the package is not a static shared lib. 1984 if (res.pkg.staticSharedLibName == null) { 1985 mProcessLoggingHandler.invalidateProcessLoggingBaseApkHash(res.pkg.baseCodePath); 1986 1987 // Send added for users that see the package for the first time 1988 // sendPackageAddedForNewUsers also deals with system apps 1989 int appId = UserHandle.getAppId(res.uid); 1990 boolean isSystem = res.pkg.applicationInfo.isSystemApp(); 1991 sendPackageAddedForNewUsers(packageName, isSystem || virtualPreload, 1992 virtualPreload /*startReceiver*/, appId, firstUsers); 1993 1994 // Send added for users that don't see the package for the first time 1995 Bundle extras = new Bundle(1); 1996 extras.putInt(Intent.EXTRA_UID, res.uid); 1997 if (update) { 1998 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1999 } 2000 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 2001 extras, 0 /*flags*/, 2002 null /*targetPackage*/, null /*finishedReceiver*/, updateUsers); 2003 if (installerPackageName != null) { 2004 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 2005 extras, 0 /*flags*/, 2006 installerPackageName, null /*finishedReceiver*/, updateUsers); 2007 } 2008 2009 // Send replaced for users that don't see the package for the first time 2010 if (update) { 2011 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 2012 packageName, extras, 0 /*flags*/, 2013 null /*targetPackage*/, null /*finishedReceiver*/, 2014 updateUsers); 2015 if (installerPackageName != null) { 2016 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 2017 extras, 0 /*flags*/, 2018 installerPackageName, null /*finishedReceiver*/, updateUsers); 2019 } 2020 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 2021 null /*package*/, null /*extras*/, 0 /*flags*/, 2022 packageName /*targetPackage*/, 2023 null /*finishedReceiver*/, updateUsers); 2024 } else if (launchedForRestore && !isSystemApp(res.pkg)) { 2025 // First-install and we did a restore, so we're responsible for the 2026 // first-launch broadcast. 2027 if (DEBUG_BACKUP) { 2028 Slog.i(TAG, "Post-restore of " + packageName 2029 + " sending FIRST_LAUNCH in " + Arrays.toString(firstUsers)); 2030 } 2031 sendFirstLaunchBroadcast(packageName, installerPackage, firstUsers); 2032 } 2033 2034 // Send broadcast package appeared if forward locked/external for all users 2035 // treat asec-hosted packages like removable media on upgrade 2036 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 2037 if (DEBUG_INSTALL) { 2038 Slog.i(TAG, "upgrading pkg " + res.pkg 2039 + " is ASEC-hosted -> AVAILABLE"); 2040 } 2041 final int[] uidArray = new int[]{res.pkg.applicationInfo.uid}; 2042 ArrayList<String> pkgList = new ArrayList<>(1); 2043 pkgList.add(packageName); 2044 sendResourcesChangedBroadcast(true, true, pkgList, uidArray, null); 2045 } 2046 } 2047 2048 // Work that needs to happen on first install within each user 2049 if (firstUsers != null && firstUsers.length > 0) { 2050 synchronized (mPackages) { 2051 for (int userId : firstUsers) { 2052 // If this app is a browser and it's newly-installed for some 2053 // users, clear any default-browser state in those users. The 2054 // app's nature doesn't depend on the user, so we can just check 2055 // its browser nature in any user and generalize. 2056 if (packageIsBrowser(packageName, userId)) { 2057 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 2058 } 2059 2060 // We may also need to apply pending (restored) runtime 2061 // permission grants within these users. 2062 mSettings.applyPendingPermissionGrantsLPw(packageName, userId); 2063 } 2064 } 2065 } 2066 2067 // Log current value of "unknown sources" setting 2068 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 2069 getUnknownSourcesSettings()); 2070 2071 // Remove the replaced package's older resources safely now 2072 // We delete after a gc for applications on sdcard. 2073 if (res.removedInfo != null && res.removedInfo.args != null) { 2074 Runtime.getRuntime().gc(); 2075 synchronized (mInstallLock) { 2076 res.removedInfo.args.doPostDeleteLI(true); 2077 } 2078 } else { 2079 // Force a gc to clear up things. Ask for a background one, it's fine to go on 2080 // and not block here. 2081 VMRuntime.getRuntime().requestConcurrentGC(); 2082 } 2083 2084 // Notify DexManager that the package was installed for new users. 2085 // The updated users should already be indexed and the package code paths 2086 // should not change. 2087 // Don't notify the manager for ephemeral apps as they are not expected to 2088 // survive long enough to benefit of background optimizations. 2089 for (int userId : firstUsers) { 2090 PackageInfo info = getPackageInfo(packageName, /*flags*/ 0, userId); 2091 // There's a race currently where some install events may interleave with an uninstall. 2092 // This can lead to package info being null (b/36642664). 2093 if (info != null) { 2094 mDexManager.notifyPackageInstalled(info, userId); 2095 } 2096 } 2097 } 2098 2099 // If someone is watching installs - notify them 2100 if (installObserver != null) { 2101 try { 2102 Bundle extras = extrasForInstallResult(res); 2103 installObserver.onPackageInstalled(res.name, res.returnCode, 2104 res.returnMsg, extras); 2105 } catch (RemoteException e) { 2106 Slog.i(TAG, "Observer no longer exists."); 2107 } 2108 } 2109 } 2110 2111 private StorageEventListener mStorageListener = new StorageEventListener() { 2112 @Override 2113 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 2114 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 2115 if (vol.state == VolumeInfo.STATE_MOUNTED) { 2116 final String volumeUuid = vol.getFsUuid(); 2117 2118 // Clean up any users or apps that were removed or recreated 2119 // while this volume was missing 2120 sUserManager.reconcileUsers(volumeUuid); 2121 reconcileApps(volumeUuid); 2122 2123 // Clean up any install sessions that expired or were 2124 // cancelled while this volume was missing 2125 mInstallerService.onPrivateVolumeMounted(volumeUuid); 2126 2127 loadPrivatePackages(vol); 2128 2129 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 2130 unloadPrivatePackages(vol); 2131 } 2132 } 2133 } 2134 2135 @Override 2136 public void onVolumeForgotten(String fsUuid) { 2137 if (TextUtils.isEmpty(fsUuid)) { 2138 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 2139 return; 2140 } 2141 2142 // Remove any apps installed on the forgotten volume 2143 synchronized (mPackages) { 2144 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 2145 for (PackageSetting ps : packages) { 2146 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 2147 deletePackageVersioned(new VersionedPackage(ps.name, 2148 PackageManager.VERSION_CODE_HIGHEST), 2149 new LegacyPackageDeleteObserver(null).getBinder(), 2150 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 2151 // Try very hard to release any references to this package 2152 // so we don't risk the system server being killed due to 2153 // open FDs 2154 AttributeCache.instance().removePackage(ps.name); 2155 } 2156 2157 mSettings.onVolumeForgotten(fsUuid); 2158 mSettings.writeLPr(); 2159 } 2160 } 2161 }; 2162 2163 Bundle extrasForInstallResult(PackageInstalledInfo res) { 2164 Bundle extras = null; 2165 switch (res.returnCode) { 2166 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 2167 extras = new Bundle(); 2168 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 2169 res.origPermission); 2170 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 2171 res.origPackage); 2172 break; 2173 } 2174 case PackageManager.INSTALL_SUCCEEDED: { 2175 extras = new Bundle(); 2176 extras.putBoolean(Intent.EXTRA_REPLACING, 2177 res.removedInfo != null && res.removedInfo.removedPackage != null); 2178 break; 2179 } 2180 } 2181 return extras; 2182 } 2183 2184 void scheduleWriteSettingsLocked() { 2185 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 2186 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 2187 } 2188 } 2189 2190 void scheduleWritePackageListLocked(int userId) { 2191 if (!mHandler.hasMessages(WRITE_PACKAGE_LIST)) { 2192 Message msg = mHandler.obtainMessage(WRITE_PACKAGE_LIST); 2193 msg.arg1 = userId; 2194 mHandler.sendMessageDelayed(msg, WRITE_SETTINGS_DELAY); 2195 } 2196 } 2197 2198 void scheduleWritePackageRestrictionsLocked(UserHandle user) { 2199 final int userId = user == null ? UserHandle.USER_ALL : user.getIdentifier(); 2200 scheduleWritePackageRestrictionsLocked(userId); 2201 } 2202 2203 void scheduleWritePackageRestrictionsLocked(int userId) { 2204 final int[] userIds = (userId == UserHandle.USER_ALL) 2205 ? sUserManager.getUserIds() : new int[]{userId}; 2206 for (int nextUserId : userIds) { 2207 if (!sUserManager.exists(nextUserId)) return; 2208 mDirtyUsers.add(nextUserId); 2209 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 2210 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 2211 } 2212 } 2213 } 2214 2215 public static PackageManagerService main(Context context, Installer installer, 2216 boolean factoryTest, boolean onlyCore) { 2217 // Self-check for initial settings. 2218 PackageManagerServiceCompilerMapping.checkProperties(); 2219 2220 PackageManagerService m = new PackageManagerService(context, installer, 2221 factoryTest, onlyCore); 2222 m.enableSystemUserPackages(); 2223 ServiceManager.addService("package", m); 2224 final PackageManagerNative pmn = m.new PackageManagerNative(); 2225 ServiceManager.addService("package_native", pmn); 2226 return m; 2227 } 2228 2229 private void enableSystemUserPackages() { 2230 if (!UserManager.isSplitSystemUser()) { 2231 return; 2232 } 2233 // For system user, enable apps based on the following conditions: 2234 // - app is whitelisted or belong to one of these groups: 2235 // -- system app which has no launcher icons 2236 // -- system app which has INTERACT_ACROSS_USERS permission 2237 // -- system IME app 2238 // - app is not in the blacklist 2239 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 2240 Set<String> enableApps = new ArraySet<>(); 2241 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 2242 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 2243 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 2244 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 2245 enableApps.addAll(wlApps); 2246 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 2247 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 2248 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 2249 enableApps.removeAll(blApps); 2250 Log.i(TAG, "Applications installed for system user: " + enableApps); 2251 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 2252 UserHandle.SYSTEM); 2253 final int allAppsSize = allAps.size(); 2254 synchronized (mPackages) { 2255 for (int i = 0; i < allAppsSize; i++) { 2256 String pName = allAps.get(i); 2257 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 2258 // Should not happen, but we shouldn't be failing if it does 2259 if (pkgSetting == null) { 2260 continue; 2261 } 2262 boolean install = enableApps.contains(pName); 2263 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 2264 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 2265 + " for system user"); 2266 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 2267 } 2268 } 2269 scheduleWritePackageRestrictionsLocked(UserHandle.USER_SYSTEM); 2270 } 2271 } 2272 2273 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 2274 DisplayManager displayManager = (DisplayManager) context.getSystemService( 2275 Context.DISPLAY_SERVICE); 2276 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 2277 } 2278 2279 /** 2280 * Requests that files preopted on a secondary system partition be copied to the data partition 2281 * if possible. Note that the actual copying of the files is accomplished by init for security 2282 * reasons. This simply requests that the copy takes place and awaits confirmation of its 2283 * completion. See platform/system/extras/cppreopt/ for the implementation of the actual copy. 2284 */ 2285 private static void requestCopyPreoptedFiles() { 2286 final int WAIT_TIME_MS = 100; 2287 final String CP_PREOPT_PROPERTY = "sys.cppreopt"; 2288 if (SystemProperties.getInt("ro.cp_system_other_odex", 0) == 1) { 2289 SystemProperties.set(CP_PREOPT_PROPERTY, "requested"); 2290 // We will wait for up to 100 seconds. 2291 final long timeStart = SystemClock.uptimeMillis(); 2292 final long timeEnd = timeStart + 100 * 1000; 2293 long timeNow = timeStart; 2294 while (!SystemProperties.get(CP_PREOPT_PROPERTY).equals("finished")) { 2295 try { 2296 Thread.sleep(WAIT_TIME_MS); 2297 } catch (InterruptedException e) { 2298 // Do nothing 2299 } 2300 timeNow = SystemClock.uptimeMillis(); 2301 if (timeNow > timeEnd) { 2302 SystemProperties.set(CP_PREOPT_PROPERTY, "timed-out"); 2303 Slog.wtf(TAG, "cppreopt did not finish!"); 2304 break; 2305 } 2306 } 2307 2308 Slog.i(TAG, "cppreopts took " + (timeNow - timeStart) + " ms"); 2309 } 2310 } 2311 2312 public PackageManagerService(Context context, Installer installer, 2313 boolean factoryTest, boolean onlyCore) { 2314 LockGuard.installLock(mPackages, LockGuard.INDEX_PACKAGES); 2315 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "create package manager"); 2316 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 2317 SystemClock.uptimeMillis()); 2318 2319 if (mSdkVersion <= 0) { 2320 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 2321 } 2322 2323 mContext = context; 2324 2325 mFactoryTest = factoryTest; 2326 mOnlyCore = onlyCore; 2327 mMetrics = new DisplayMetrics(); 2328 mInstaller = installer; 2329 2330 // Create sub-components that provide services / data. Order here is important. 2331 synchronized (mInstallLock) { 2332 synchronized (mPackages) { 2333 // Expose private service for system components to use. 2334 LocalServices.addService( 2335 PackageManagerInternal.class, new PackageManagerInternalImpl()); 2336 sUserManager = new UserManagerService(context, this, 2337 new UserDataPreparer(mInstaller, mInstallLock, mContext, mOnlyCore), mPackages); 2338 mPermissionManager = PermissionManagerService.create(context, 2339 new DefaultPermissionGrantedCallback() { 2340 @Override 2341 public void onDefaultRuntimePermissionsGranted(int userId) { 2342 synchronized(mPackages) { 2343 mSettings.onDefaultRuntimePermissionsGrantedLPr(userId); 2344 } 2345 } 2346 }, mPackages /*externalLock*/); 2347 mDefaultPermissionPolicy = mPermissionManager.getDefaultPermissionGrantPolicy(); 2348 mSettings = new Settings(mPermissionManager.getPermissionSettings(), mPackages); 2349 } 2350 } 2351 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 2352 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2353 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 2354 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2355 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 2356 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2357 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 2358 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2359 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 2360 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2361 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 2362 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 2363 2364 String separateProcesses = SystemProperties.get("debug.separate_processes"); 2365 if (separateProcesses != null && separateProcesses.length() > 0) { 2366 if ("*".equals(separateProcesses)) { 2367 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 2368 mSeparateProcesses = null; 2369 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 2370 } else { 2371 mDefParseFlags = 0; 2372 mSeparateProcesses = separateProcesses.split(","); 2373 Slog.w(TAG, "Running with debug.separate_processes: " 2374 + separateProcesses); 2375 } 2376 } else { 2377 mDefParseFlags = 0; 2378 mSeparateProcesses = null; 2379 } 2380 2381 mPackageDexOptimizer = new PackageDexOptimizer(installer, mInstallLock, context, 2382 "*dexopt*"); 2383 mDexManager = new DexManager(this, mPackageDexOptimizer, installer, mInstallLock); 2384 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 2385 2386 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 2387 FgThread.get().getLooper()); 2388 2389 getDefaultDisplayMetrics(context, mMetrics); 2390 2391 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "get system config"); 2392 SystemConfig systemConfig = SystemConfig.getInstance(); 2393 mAvailableFeatures = systemConfig.getAvailableFeatures(); 2394 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2395 2396 mProtectedPackages = new ProtectedPackages(mContext); 2397 2398 synchronized (mInstallLock) { 2399 // writer 2400 synchronized (mPackages) { 2401 mHandlerThread = new ServiceThread(TAG, 2402 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 2403 mHandlerThread.start(); 2404 mHandler = new PackageHandler(mHandlerThread.getLooper()); 2405 mProcessLoggingHandler = new ProcessLoggingHandler(); 2406 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 2407 mInstantAppRegistry = new InstantAppRegistry(this); 2408 2409 File dataDir = Environment.getDataDirectory(); 2410 mAppInstallDir = new File(dataDir, "app"); 2411 mAppLib32InstallDir = new File(dataDir, "app-lib"); 2412 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 2413 2414 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2415 final int builtInLibCount = libConfig.size(); 2416 for (int i = 0; i < builtInLibCount; i++) { 2417 String name = libConfig.keyAt(i); 2418 String path = libConfig.valueAt(i); 2419 addSharedLibraryLPw(path, null, name, SharedLibraryInfo.VERSION_UNDEFINED, 2420 SharedLibraryInfo.TYPE_BUILTIN, PLATFORM_PACKAGE_NAME, 0); 2421 } 2422 2423 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2424 2425 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "read user settings"); 2426 mFirstBoot = !mSettings.readLPw(sUserManager.getUsers(false)); 2427 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2428 2429 // Clean up orphaned packages for which the code path doesn't exist 2430 // and they are an update to a system app - caused by bug/32321269 2431 final int packageSettingCount = mSettings.mPackages.size(); 2432 for (int i = packageSettingCount - 1; i >= 0; i--) { 2433 PackageSetting ps = mSettings.mPackages.valueAt(i); 2434 if (!isExternal(ps) && (ps.codePath == null || !ps.codePath.exists()) 2435 && mSettings.getDisabledSystemPkgLPr(ps.name) != null) { 2436 mSettings.mPackages.removeAt(i); 2437 mSettings.enableSystemPackageLPw(ps.name); 2438 } 2439 } 2440 2441 if (mFirstBoot) { 2442 requestCopyPreoptedFiles(); 2443 } 2444 2445 String customResolverActivity = Resources.getSystem().getString( 2446 R.string.config_customResolverActivity); 2447 if (TextUtils.isEmpty(customResolverActivity)) { 2448 customResolverActivity = null; 2449 } else { 2450 mCustomResolverComponentName = ComponentName.unflattenFromString( 2451 customResolverActivity); 2452 } 2453 2454 long startTime = SystemClock.uptimeMillis(); 2455 2456 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2457 startTime); 2458 2459 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2460 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2461 2462 if (bootClassPath == null) { 2463 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2464 } 2465 2466 if (systemServerClassPath == null) { 2467 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2468 } 2469 2470 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2471 2472 final VersionInfo ver = mSettings.getInternalVersion(); 2473 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2474 if (mIsUpgrade) { 2475 logCriticalInfo(Log.INFO, 2476 "Upgrading from " + ver.fingerprint + " to " + Build.FINGERPRINT); 2477 } 2478 2479 // when upgrading from pre-M, promote system app permissions from install to runtime 2480 mPromoteSystemApps = 2481 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2482 2483 // When upgrading from pre-N, we need to handle package extraction like first boot, 2484 // as there is no profiling data available. 2485 mIsPreNUpgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N; 2486 2487 mIsPreNMR1Upgrade = mIsUpgrade && ver.sdkVersion < Build.VERSION_CODES.N_MR1; 2488 2489 // save off the names of pre-existing system packages prior to scanning; we don't 2490 // want to automatically grant runtime permissions for new system apps 2491 if (mPromoteSystemApps) { 2492 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2493 while (pkgSettingIter.hasNext()) { 2494 PackageSetting ps = pkgSettingIter.next(); 2495 if (isSystemApp(ps)) { 2496 mExistingSystemPackages.add(ps.name); 2497 } 2498 } 2499 } 2500 2501 mCacheDir = preparePackageParserCache(mIsUpgrade); 2502 2503 // Set flag to monitor and not change apk file paths when 2504 // scanning install directories. 2505 int scanFlags = SCAN_BOOTING | SCAN_INITIAL; 2506 2507 if (mIsUpgrade || mFirstBoot) { 2508 scanFlags = scanFlags | SCAN_FIRST_BOOT_OR_UPGRADE; 2509 } 2510 2511 // Collect vendor overlay packages. (Do this before scanning any apps.) 2512 // For security and version matching reason, only consider 2513 // overlay packages if they reside in the right directory. 2514 scanDirTracedLI(new File(VENDOR_OVERLAY_DIR), mDefParseFlags 2515 | PackageParser.PARSE_IS_SYSTEM 2516 | PackageParser.PARSE_IS_SYSTEM_DIR 2517 | PackageParser.PARSE_TRUSTED_OVERLAY, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2518 2519 mParallelPackageParserCallback.findStaticOverlayPackages(); 2520 2521 // Find base frameworks (resource packages without code). 2522 scanDirTracedLI(frameworkDir, mDefParseFlags 2523 | PackageParser.PARSE_IS_SYSTEM 2524 | PackageParser.PARSE_IS_SYSTEM_DIR 2525 | PackageParser.PARSE_IS_PRIVILEGED, 2526 scanFlags | SCAN_NO_DEX, 0); 2527 2528 // Collected privileged system packages. 2529 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2530 scanDirTracedLI(privilegedAppDir, mDefParseFlags 2531 | PackageParser.PARSE_IS_SYSTEM 2532 | PackageParser.PARSE_IS_SYSTEM_DIR 2533 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2534 2535 // Collect ordinary system packages. 2536 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2537 scanDirTracedLI(systemAppDir, mDefParseFlags 2538 | PackageParser.PARSE_IS_SYSTEM 2539 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2540 2541 // Collect all vendor packages. 2542 File vendorAppDir = new File("/vendor/app"); 2543 try { 2544 vendorAppDir = vendorAppDir.getCanonicalFile(); 2545 } catch (IOException e) { 2546 // failed to look up canonical path, continue with original one 2547 } 2548 scanDirTracedLI(vendorAppDir, mDefParseFlags 2549 | PackageParser.PARSE_IS_SYSTEM 2550 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2551 2552 // Collect all OEM packages. 2553 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2554 scanDirTracedLI(oemAppDir, mDefParseFlags 2555 | PackageParser.PARSE_IS_SYSTEM 2556 | PackageParser.PARSE_IS_SYSTEM_DIR 2557 | PackageParser.PARSE_IS_OEM, scanFlags, 0); 2558 2559 // Prune any system packages that no longer exist. 2560 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<>(); 2561 // Stub packages must either be replaced with full versions in the /data 2562 // partition or be disabled. 2563 final List<String> stubSystemApps = new ArrayList<>(); 2564 if (!mOnlyCore) { 2565 // do this first before mucking with mPackages for the "expecting better" case 2566 final Iterator<PackageParser.Package> pkgIterator = mPackages.values().iterator(); 2567 while (pkgIterator.hasNext()) { 2568 final PackageParser.Package pkg = pkgIterator.next(); 2569 if (pkg.isStub) { 2570 stubSystemApps.add(pkg.packageName); 2571 } 2572 } 2573 2574 final Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2575 while (psit.hasNext()) { 2576 PackageSetting ps = psit.next(); 2577 2578 /* 2579 * If this is not a system app, it can't be a 2580 * disable system app. 2581 */ 2582 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2583 continue; 2584 } 2585 2586 /* 2587 * If the package is scanned, it's not erased. 2588 */ 2589 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2590 if (scannedPkg != null) { 2591 /* 2592 * If the system app is both scanned and in the 2593 * disabled packages list, then it must have been 2594 * added via OTA. Remove it from the currently 2595 * scanned package so the previously user-installed 2596 * application can be scanned. 2597 */ 2598 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2599 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2600 + ps.name + "; removing system app. Last known codePath=" 2601 + ps.codePathString + ", installStatus=" + ps.installStatus 2602 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2603 + scannedPkg.mVersionCode); 2604 removePackageLI(scannedPkg, true); 2605 mExpectingBetter.put(ps.name, ps.codePath); 2606 } 2607 2608 continue; 2609 } 2610 2611 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2612 psit.remove(); 2613 logCriticalInfo(Log.WARN, "System package " + ps.name 2614 + " no longer exists; it's data will be wiped"); 2615 // Actual deletion of code and data will be handled by later 2616 // reconciliation step 2617 } else { 2618 // we still have a disabled system package, but, it still might have 2619 // been removed. check the code path still exists and check there's 2620 // still a package. the latter can happen if an OTA keeps the same 2621 // code path, but, changes the package name. 2622 final PackageSetting disabledPs = 2623 mSettings.getDisabledSystemPkgLPr(ps.name); 2624 if (disabledPs.codePath == null || !disabledPs.codePath.exists() 2625 || disabledPs.pkg == null) { 2626 possiblyDeletedUpdatedSystemApps.add(ps.name); 2627 } 2628 } 2629 } 2630 } 2631 2632 //look for any incomplete package installations 2633 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2634 for (int i = 0; i < deletePkgsList.size(); i++) { 2635 // Actual deletion of code and data will be handled by later 2636 // reconciliation step 2637 final String packageName = deletePkgsList.get(i).name; 2638 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + packageName); 2639 synchronized (mPackages) { 2640 mSettings.removePackageLPw(packageName); 2641 } 2642 } 2643 2644 //delete tmp files 2645 deleteTempPackageFiles(); 2646 2647 final int cachedSystemApps = PackageParser.sCachedPackageReadCount.get(); 2648 2649 // Remove any shared userIDs that have no associated packages 2650 mSettings.pruneSharedUsersLPw(); 2651 final long systemScanTime = SystemClock.uptimeMillis() - startTime; 2652 final int systemPackagesCount = mPackages.size(); 2653 Slog.i(TAG, "Finished scanning system apps. Time: " + systemScanTime 2654 + " ms, packageCount: " + systemPackagesCount 2655 + " , timePerPackage: " 2656 + (systemPackagesCount == 0 ? 0 : systemScanTime / systemPackagesCount) 2657 + " , cached: " + cachedSystemApps); 2658 if (mIsUpgrade && systemPackagesCount > 0) { 2659 MetricsLogger.histogram(null, "ota_package_manager_system_app_avg_scan_time", 2660 ((int) systemScanTime) / systemPackagesCount); 2661 } 2662 if (!mOnlyCore) { 2663 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2664 SystemClock.uptimeMillis()); 2665 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2666 2667 scanDirTracedLI(mDrmAppPrivateInstallDir, mDefParseFlags 2668 | PackageParser.PARSE_FORWARD_LOCK, 2669 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2670 2671 // Remove disable package settings for updated system apps that were 2672 // removed via an OTA. If the update is no longer present, remove the 2673 // app completely. Otherwise, revoke their system privileges. 2674 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2675 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2676 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2677 2678 final String msg; 2679 if (deletedPkg == null) { 2680 // should have found an update, but, we didn't; remove everything 2681 msg = "Updated system package " + deletedAppName 2682 + " no longer exists; removing its data"; 2683 // Actual deletion of code and data will be handled by later 2684 // reconciliation step 2685 } else { 2686 // found an update; revoke system privileges 2687 msg = "Updated system package + " + deletedAppName 2688 + " no longer exists; revoking system privileges"; 2689 2690 // Don't do anything if a stub is removed from the system image. If 2691 // we were to remove the uncompressed version from the /data partition, 2692 // this is where it'd be done. 2693 2694 final PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2695 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2696 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2697 } 2698 logCriticalInfo(Log.WARN, msg); 2699 } 2700 2701 /* 2702 * Make sure all system apps that we expected to appear on 2703 * the userdata partition actually showed up. If they never 2704 * appeared, crawl back and revive the system version. 2705 */ 2706 for (int i = 0; i < mExpectingBetter.size(); i++) { 2707 final String packageName = mExpectingBetter.keyAt(i); 2708 if (!mPackages.containsKey(packageName)) { 2709 final File scanFile = mExpectingBetter.valueAt(i); 2710 2711 logCriticalInfo(Log.WARN, "Expected better " + packageName 2712 + " but never showed up; reverting to system"); 2713 2714 int reparseFlags = mDefParseFlags; 2715 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2716 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2717 | PackageParser.PARSE_IS_SYSTEM_DIR 2718 | PackageParser.PARSE_IS_PRIVILEGED; 2719 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2720 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2721 | PackageParser.PARSE_IS_SYSTEM_DIR; 2722 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2723 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2724 | PackageParser.PARSE_IS_SYSTEM_DIR; 2725 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2726 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2727 | PackageParser.PARSE_IS_SYSTEM_DIR 2728 | PackageParser.PARSE_IS_OEM; 2729 } else { 2730 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2731 continue; 2732 } 2733 2734 mSettings.enableSystemPackageLPw(packageName); 2735 2736 try { 2737 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2738 } catch (PackageManagerException e) { 2739 Slog.e(TAG, "Failed to parse original system package: " 2740 + e.getMessage()); 2741 } 2742 } 2743 } 2744 2745 // Uncompress and install any stubbed system applications. 2746 // This must be done last to ensure all stubs are replaced or disabled. 2747 decompressSystemApplications(stubSystemApps, scanFlags); 2748 2749 final int cachedNonSystemApps = PackageParser.sCachedPackageReadCount.get() 2750 - cachedSystemApps; 2751 2752 final long dataScanTime = SystemClock.uptimeMillis() - systemScanTime - startTime; 2753 final int dataPackagesCount = mPackages.size() - systemPackagesCount; 2754 Slog.i(TAG, "Finished scanning non-system apps. Time: " + dataScanTime 2755 + " ms, packageCount: " + dataPackagesCount 2756 + " , timePerPackage: " 2757 + (dataPackagesCount == 0 ? 0 : dataScanTime / dataPackagesCount) 2758 + " , cached: " + cachedNonSystemApps); 2759 if (mIsUpgrade && dataPackagesCount > 0) { 2760 MetricsLogger.histogram(null, "ota_package_manager_data_app_avg_scan_time", 2761 ((int) dataScanTime) / dataPackagesCount); 2762 } 2763 } 2764 mExpectingBetter.clear(); 2765 2766 // Resolve the storage manager. 2767 mStorageManagerPackage = getStorageManagerPackageName(); 2768 2769 // Resolve protected action filters. Only the setup wizard is allowed to 2770 // have a high priority filter for these actions. 2771 mSetupWizardPackage = getSetupWizardPackageName(); 2772 if (mProtectedFilters.size() > 0) { 2773 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 2774 Slog.i(TAG, "No setup wizard;" 2775 + " All protected intents capped to priority 0"); 2776 } 2777 for (ActivityIntentInfo filter : mProtectedFilters) { 2778 if (filter.activity.info.packageName.equals(mSetupWizardPackage)) { 2779 if (DEBUG_FILTERS) { 2780 Slog.i(TAG, "Found setup wizard;" 2781 + " allow priority " + filter.getPriority() + ";" 2782 + " package: " + filter.activity.info.packageName 2783 + " activity: " + filter.activity.className 2784 + " priority: " + filter.getPriority()); 2785 } 2786 // skip setup wizard; allow it to keep the high priority filter 2787 continue; 2788 } 2789 if (DEBUG_FILTERS) { 2790 Slog.i(TAG, "Protected action; cap priority to 0;" 2791 + " package: " + filter.activity.info.packageName 2792 + " activity: " + filter.activity.className 2793 + " origPrio: " + filter.getPriority()); 2794 } 2795 filter.setPriority(0); 2796 } 2797 } 2798 mDeferProtectedFilters = false; 2799 mProtectedFilters.clear(); 2800 2801 // Now that we know all of the shared libraries, update all clients to have 2802 // the correct library paths. 2803 updateAllSharedLibrariesLPw(null); 2804 2805 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2806 // NOTE: We ignore potential failures here during a system scan (like 2807 // the rest of the commands above) because there's precious little we 2808 // can do about it. A settings error is reported, though. 2809 adjustCpuAbisForSharedUserLPw(setting.packages, null /*scannedPackage*/); 2810 } 2811 2812 // Now that we know all the packages we are keeping, 2813 // read and update their last usage times. 2814 mPackageUsage.read(mPackages); 2815 mCompilerStats.read(); 2816 2817 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2818 SystemClock.uptimeMillis()); 2819 Slog.i(TAG, "Time to scan packages: " 2820 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2821 + " seconds"); 2822 2823 // If the platform SDK has changed since the last time we booted, 2824 // we need to re-grant app permission to catch any new ones that 2825 // appear. This is really a hack, and means that apps can in some 2826 // cases get permissions that the user didn't initially explicitly 2827 // allow... it would be nice to have some better way to handle 2828 // this situation. 2829 final boolean sdkUpdated = (ver.sdkVersion != mSdkVersion); 2830 if (sdkUpdated) { 2831 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2832 + mSdkVersion + "; regranting permissions for internal storage"); 2833 } 2834 mPermissionManager.updateAllPermissions( 2835 StorageManager.UUID_PRIVATE_INTERNAL, sdkUpdated, mPackages.values(), 2836 mPermissionCallback); 2837 ver.sdkVersion = mSdkVersion; 2838 2839 // If this is the first boot or an update from pre-M, and it is a normal 2840 // boot, then we need to initialize the default preferred apps across 2841 // all defined users. 2842 if (!onlyCore && (mPromoteSystemApps || mFirstBoot)) { 2843 for (UserInfo user : sUserManager.getUsers(true)) { 2844 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2845 applyFactoryDefaultBrowserLPw(user.id); 2846 primeDomainVerificationsLPw(user.id); 2847 } 2848 } 2849 2850 // Prepare storage for system user really early during boot, 2851 // since core system apps like SettingsProvider and SystemUI 2852 // can't wait for user to start 2853 final int storageFlags; 2854 if (StorageManager.isFileEncryptedNativeOrEmulated()) { 2855 storageFlags = StorageManager.FLAG_STORAGE_DE; 2856 } else { 2857 storageFlags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 2858 } 2859 List<String> deferPackages = reconcileAppsDataLI(StorageManager.UUID_PRIVATE_INTERNAL, 2860 UserHandle.USER_SYSTEM, storageFlags, true /* migrateAppData */, 2861 true /* onlyCoreApps */); 2862 mPrepareAppDataFuture = SystemServerInitThreadPool.get().submit(() -> { 2863 TimingsTraceLog traceLog = new TimingsTraceLog("SystemServerTimingAsync", 2864 Trace.TRACE_TAG_PACKAGE_MANAGER); 2865 traceLog.traceBegin("AppDataFixup"); 2866 try { 2867 mInstaller.fixupAppData(StorageManager.UUID_PRIVATE_INTERNAL, 2868 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 2869 } catch (InstallerException e) { 2870 Slog.w(TAG, "Trouble fixing GIDs", e); 2871 } 2872 traceLog.traceEnd(); 2873 2874 traceLog.traceBegin("AppDataPrepare"); 2875 if (deferPackages == null || deferPackages.isEmpty()) { 2876 return; 2877 } 2878 int count = 0; 2879 for (String pkgName : deferPackages) { 2880 PackageParser.Package pkg = null; 2881 synchronized (mPackages) { 2882 PackageSetting ps = mSettings.getPackageLPr(pkgName); 2883 if (ps != null && ps.getInstalled(UserHandle.USER_SYSTEM)) { 2884 pkg = ps.pkg; 2885 } 2886 } 2887 if (pkg != null) { 2888 synchronized (mInstallLock) { 2889 prepareAppDataAndMigrateLIF(pkg, UserHandle.USER_SYSTEM, storageFlags, 2890 true /* maybeMigrateAppData */); 2891 } 2892 count++; 2893 } 2894 } 2895 traceLog.traceEnd(); 2896 Slog.i(TAG, "Deferred reconcileAppsData finished " + count + " packages"); 2897 }, "prepareAppData"); 2898 2899 // If this is first boot after an OTA, and a normal boot, then 2900 // we need to clear code cache directories. 2901 // Note that we do *not* clear the application profiles. These remain valid 2902 // across OTAs and are used to drive profile verification (post OTA) and 2903 // profile compilation (without waiting to collect a fresh set of profiles). 2904 if (mIsUpgrade && !onlyCore) { 2905 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2906 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2907 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2908 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2909 // No apps are running this early, so no need to freeze 2910 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 2911 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 2912 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 2913 } 2914 } 2915 ver.fingerprint = Build.FINGERPRINT; 2916 } 2917 2918 checkDefaultBrowser(); 2919 2920 // clear only after permissions and other defaults have been updated 2921 mExistingSystemPackages.clear(); 2922 mPromoteSystemApps = false; 2923 2924 // All the changes are done during package scanning. 2925 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2926 2927 // can downgrade to reader 2928 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "write settings"); 2929 mSettings.writeLPr(); 2930 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 2931 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2932 SystemClock.uptimeMillis()); 2933 2934 if (!mOnlyCore) { 2935 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2936 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2937 mRequiredUninstallerPackage = getRequiredUninstallerLPr(); 2938 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2939 if (mIntentFilterVerifierComponent != null) { 2940 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2941 mIntentFilterVerifierComponent); 2942 } else { 2943 mIntentFilterVerifier = null; 2944 } 2945 mServicesSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2946 PackageManager.SYSTEM_SHARED_LIBRARY_SERVICES, 2947 SharedLibraryInfo.VERSION_UNDEFINED); 2948 mSharedSystemSharedLibraryPackageName = getRequiredSharedLibraryLPr( 2949 PackageManager.SYSTEM_SHARED_LIBRARY_SHARED, 2950 SharedLibraryInfo.VERSION_UNDEFINED); 2951 } else { 2952 mRequiredVerifierPackage = null; 2953 mRequiredInstallerPackage = null; 2954 mRequiredUninstallerPackage = null; 2955 mIntentFilterVerifierComponent = null; 2956 mIntentFilterVerifier = null; 2957 mServicesSystemSharedLibraryPackageName = null; 2958 mSharedSystemSharedLibraryPackageName = null; 2959 } 2960 2961 mInstallerService = new PackageInstallerService(context, this); 2962 final Pair<ComponentName, String> instantAppResolverComponent = 2963 getInstantAppResolverLPr(); 2964 if (instantAppResolverComponent != null) { 2965 if (DEBUG_EPHEMERAL) { 2966 Slog.d(TAG, "Set ephemeral resolver: " + instantAppResolverComponent); 2967 } 2968 mInstantAppResolverConnection = new EphemeralResolverConnection( 2969 mContext, instantAppResolverComponent.first, 2970 instantAppResolverComponent.second); 2971 mInstantAppResolverSettingsComponent = 2972 getInstantAppResolverSettingsLPr(instantAppResolverComponent.first); 2973 } else { 2974 mInstantAppResolverConnection = null; 2975 mInstantAppResolverSettingsComponent = null; 2976 } 2977 updateInstantAppInstallerLocked(null); 2978 2979 // Read and update the usage of dex files. 2980 // Do this at the end of PM init so that all the packages have their 2981 // data directory reconciled. 2982 // At this point we know the code paths of the packages, so we can validate 2983 // the disk file and build the internal cache. 2984 // The usage file is expected to be small so loading and verifying it 2985 // should take a fairly small time compare to the other activities (e.g. package 2986 // scanning). 2987 final Map<Integer, List<PackageInfo>> userPackages = new HashMap<>(); 2988 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 2989 for (int userId : currentUserIds) { 2990 userPackages.put(userId, getInstalledPackages(/*flags*/ 0, userId).getList()); 2991 } 2992 mDexManager.load(userPackages); 2993 if (mIsUpgrade) { 2994 MetricsLogger.histogram(null, "ota_package_manager_init_time", 2995 (int) (SystemClock.uptimeMillis() - startTime)); 2996 } 2997 } // synchronized (mPackages) 2998 } // synchronized (mInstallLock) 2999 3000 // Now after opening every single application zip, make sure they 3001 // are all flushed. Not really needed, but keeps things nice and 3002 // tidy. 3003 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "GC"); 3004 Runtime.getRuntime().gc(); 3005 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 3006 3007 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "loadFallbacks"); 3008 FallbackCategoryProvider.loadFallbacks(); 3009 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 3010 3011 // The initial scanning above does many calls into installd while 3012 // holding the mPackages lock, but we're mostly interested in yelling 3013 // once we have a booted system. 3014 mInstaller.setWarnIfHeld(mPackages); 3015 3016 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 3017 } 3018 3019 /** 3020 * Uncompress and install stub applications. 3021 * <p>In order to save space on the system partition, some applications are shipped in a 3022 * compressed form. In addition the compressed bits for the full application, the 3023 * system image contains a tiny stub comprised of only the Android manifest. 3024 * <p>During the first boot, attempt to uncompress and install the full application. If 3025 * the application can't be installed for any reason, disable the stub and prevent 3026 * uncompressing the full application during future boots. 3027 * <p>In order to forcefully attempt an installation of a full application, go to app 3028 * settings and enable the application. 3029 */ 3030 private void decompressSystemApplications(@NonNull List<String> stubSystemApps, int scanFlags) { 3031 for (int i = stubSystemApps.size() - 1; i >= 0; --i) { 3032 final String pkgName = stubSystemApps.get(i); 3033 // skip if the system package is already disabled 3034 if (mSettings.isDisabledSystemPackageLPr(pkgName)) { 3035 stubSystemApps.remove(i); 3036 continue; 3037 } 3038 // skip if the package isn't installed (?!); this should never happen 3039 final PackageParser.Package pkg = mPackages.get(pkgName); 3040 if (pkg == null) { 3041 stubSystemApps.remove(i); 3042 continue; 3043 } 3044 // skip if the package has been disabled by the user 3045 final PackageSetting ps = mSettings.mPackages.get(pkgName); 3046 if (ps != null) { 3047 final int enabledState = ps.getEnabled(UserHandle.USER_SYSTEM); 3048 if (enabledState == PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER) { 3049 stubSystemApps.remove(i); 3050 continue; 3051 } 3052 } 3053 3054 if (DEBUG_COMPRESSION) { 3055 Slog.i(TAG, "Uncompressing system stub; pkg: " + pkgName); 3056 } 3057 3058 // uncompress the binary to its eventual destination on /data 3059 final File scanFile = decompressPackage(pkg); 3060 if (scanFile == null) { 3061 continue; 3062 } 3063 3064 // install the package to replace the stub on /system 3065 try { 3066 mSettings.disableSystemPackageLPw(pkgName, true /*replaced*/); 3067 removePackageLI(pkg, true /*chatty*/); 3068 scanPackageTracedLI(scanFile, 0 /*reparseFlags*/, scanFlags, 0, null); 3069 ps.setEnabled(PackageManager.COMPONENT_ENABLED_STATE_DEFAULT, 3070 UserHandle.USER_SYSTEM, "android"); 3071 stubSystemApps.remove(i); 3072 continue; 3073 } catch (PackageManagerException e) { 3074 Slog.e(TAG, "Failed to parse uncompressed system package: " + e.getMessage()); 3075 } 3076 3077 // any failed attempt to install the package will be cleaned up later 3078 } 3079 3080 // disable any stub still left; these failed to install the full application 3081 for (int i = stubSystemApps.size() - 1; i >= 0; --i) { 3082 final String pkgName = stubSystemApps.get(i); 3083 final PackageSetting ps = mSettings.mPackages.get(pkgName); 3084 ps.setEnabled(PackageManager.COMPONENT_ENABLED_STATE_DISABLED, 3085 UserHandle.USER_SYSTEM, "android"); 3086 logCriticalInfo(Log.ERROR, "Stub disabled; pkg: " + pkgName); 3087 } 3088 } 3089 3090 /** 3091 * Decompresses the given package on the system image onto 3092 * the /data partition. 3093 * @return The directory the package was decompressed into. Otherwise, {@code null}. 3094 */ 3095 private File decompressPackage(PackageParser.Package pkg) { 3096 final File[] compressedFiles = getCompressedFiles(pkg.codePath); 3097 if (compressedFiles == null || compressedFiles.length == 0) { 3098 if (DEBUG_COMPRESSION) { 3099 Slog.i(TAG, "No files to decompress: " + pkg.baseCodePath); 3100 } 3101 return null; 3102 } 3103 final File dstCodePath = 3104 getNextCodePath(Environment.getDataAppDirectory(null), pkg.packageName); 3105 int ret = PackageManager.INSTALL_SUCCEEDED; 3106 try { 3107 Os.mkdir(dstCodePath.getAbsolutePath(), 0755); 3108 Os.chmod(dstCodePath.getAbsolutePath(), 0755); 3109 for (File srcFile : compressedFiles) { 3110 final String srcFileName = srcFile.getName(); 3111 final String dstFileName = srcFileName.substring( 3112 0, srcFileName.length() - COMPRESSED_EXTENSION.length()); 3113 final File dstFile = new File(dstCodePath, dstFileName); 3114 ret = decompressFile(srcFile, dstFile); 3115 if (ret != PackageManager.INSTALL_SUCCEEDED) { 3116 logCriticalInfo(Log.ERROR, "Failed to decompress" 3117 + "; pkg: " + pkg.packageName 3118 + ", file: " + dstFileName); 3119 break; 3120 } 3121 } 3122 } catch (ErrnoException e) { 3123 logCriticalInfo(Log.ERROR, "Failed to decompress" 3124 + "; pkg: " + pkg.packageName 3125 + ", err: " + e.errno); 3126 } 3127 if (ret == PackageManager.INSTALL_SUCCEEDED) { 3128 final File libraryRoot = new File(dstCodePath, LIB_DIR_NAME); 3129 NativeLibraryHelper.Handle handle = null; 3130 try { 3131 handle = NativeLibraryHelper.Handle.create(dstCodePath); 3132 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 3133 null /*abiOverride*/); 3134 } catch (IOException e) { 3135 logCriticalInfo(Log.ERROR, "Failed to extract native libraries" 3136 + "; pkg: " + pkg.packageName); 3137 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 3138 } finally { 3139 IoUtils.closeQuietly(handle); 3140 } 3141 } 3142 if (ret != PackageManager.INSTALL_SUCCEEDED) { 3143 if (dstCodePath == null || !dstCodePath.exists()) { 3144 return null; 3145 } 3146 removeCodePathLI(dstCodePath); 3147 return null; 3148 } 3149 3150 return dstCodePath; 3151 } 3152 3153 private void updateInstantAppInstallerLocked(String modifiedPackage) { 3154 // we're only interested in updating the installer appliction when 1) it's not 3155 // already set or 2) the modified package is the installer 3156 if (mInstantAppInstallerActivity != null 3157 && !mInstantAppInstallerActivity.getComponentName().getPackageName() 3158 .equals(modifiedPackage)) { 3159 return; 3160 } 3161 setUpInstantAppInstallerActivityLP(getInstantAppInstallerLPr()); 3162 } 3163 3164 private static File preparePackageParserCache(boolean isUpgrade) { 3165 if (!DEFAULT_PACKAGE_PARSER_CACHE_ENABLED) { 3166 return null; 3167 } 3168 3169 // Disable package parsing on eng builds to allow for faster incremental development. 3170 if (Build.IS_ENG) { 3171 return null; 3172 } 3173 3174 if (SystemProperties.getBoolean("pm.boot.disable_package_cache", false)) { 3175 Slog.i(TAG, "Disabling package parser cache due to system property."); 3176 return null; 3177 } 3178 3179 // The base directory for the package parser cache lives under /data/system/. 3180 final File cacheBaseDir = FileUtils.createDir(Environment.getDataSystemDirectory(), 3181 "package_cache"); 3182 if (cacheBaseDir == null) { 3183 return null; 3184 } 3185 3186 // If this is a system upgrade scenario, delete the contents of the package cache dir. 3187 // This also serves to "GC" unused entries when the package cache version changes (which 3188 // can only happen during upgrades). 3189 if (isUpgrade) { 3190 FileUtils.deleteContents(cacheBaseDir); 3191 } 3192 3193 3194 // Return the versioned package cache directory. This is something like 3195 // "/data/system/package_cache/1" 3196 File cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 3197 3198 // The following is a workaround to aid development on non-numbered userdebug 3199 // builds or cases where "adb sync" is used on userdebug builds. If we detect that 3200 // the system partition is newer. 3201 // 3202 // NOTE: When no BUILD_NUMBER is set by the build system, it defaults to a build 3203 // that starts with "eng." to signify that this is an engineering build and not 3204 // destined for release. 3205 if (Build.IS_USERDEBUG && Build.VERSION.INCREMENTAL.startsWith("eng.")) { 3206 Slog.w(TAG, "Wiping cache directory because the system partition changed."); 3207 3208 // Heuristic: If the /system directory has been modified recently due to an "adb sync" 3209 // or a regular make, then blow away the cache. Note that mtimes are *NOT* reliable 3210 // in general and should not be used for production changes. In this specific case, 3211 // we know that they will work. 3212 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 3213 if (cacheDir.lastModified() < frameworkDir.lastModified()) { 3214 FileUtils.deleteContents(cacheBaseDir); 3215 cacheDir = FileUtils.createDir(cacheBaseDir, PACKAGE_PARSER_CACHE_VERSION); 3216 } 3217 } 3218 3219 return cacheDir; 3220 } 3221 3222 @Override 3223 public boolean isFirstBoot() { 3224 // allow instant applications 3225 return mFirstBoot; 3226 } 3227 3228 @Override 3229 public boolean isOnlyCoreApps() { 3230 // allow instant applications 3231 return mOnlyCore; 3232 } 3233 3234 @Override 3235 public boolean isUpgrade() { 3236 // allow instant applications 3237 // The system property allows testing ota flow when upgraded to the same image. 3238 return mIsUpgrade || SystemProperties.getBoolean( 3239 "persist.pm.mock-upgrade", false /* default */); 3240 } 3241 3242 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 3243 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 3244 3245 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 3246 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3247 UserHandle.USER_SYSTEM, false /*allowDynamicSplits*/); 3248 if (matches.size() == 1) { 3249 return matches.get(0).getComponentInfo().packageName; 3250 } else if (matches.size() == 0) { 3251 Log.e(TAG, "There should probably be a verifier, but, none were found"); 3252 return null; 3253 } 3254 throw new RuntimeException("There must be exactly one verifier; found " + matches); 3255 } 3256 3257 private @NonNull String getRequiredSharedLibraryLPr(String name, int version) { 3258 synchronized (mPackages) { 3259 SharedLibraryEntry libraryEntry = getSharedLibraryEntryLPr(name, version); 3260 if (libraryEntry == null) { 3261 throw new IllegalStateException("Missing required shared library:" + name); 3262 } 3263 return libraryEntry.apk; 3264 } 3265 } 3266 3267 private @NonNull String getRequiredInstallerLPr() { 3268 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 3269 intent.addCategory(Intent.CATEGORY_DEFAULT); 3270 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3271 3272 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3273 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3274 UserHandle.USER_SYSTEM); 3275 if (matches.size() == 1) { 3276 ResolveInfo resolveInfo = matches.get(0); 3277 if (!resolveInfo.activityInfo.applicationInfo.isPrivilegedApp()) { 3278 throw new RuntimeException("The installer must be a privileged app"); 3279 } 3280 return matches.get(0).getComponentInfo().packageName; 3281 } else { 3282 throw new RuntimeException("There must be exactly one installer; found " + matches); 3283 } 3284 } 3285 3286 private @NonNull String getRequiredUninstallerLPr() { 3287 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 3288 intent.addCategory(Intent.CATEGORY_DEFAULT); 3289 intent.setData(Uri.fromParts(PACKAGE_SCHEME, "foo.bar", null)); 3290 3291 final ResolveInfo resolveInfo = resolveIntent(intent, null, 3292 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3293 UserHandle.USER_SYSTEM); 3294 if (resolveInfo == null || 3295 mResolveActivity.name.equals(resolveInfo.getComponentInfo().name)) { 3296 throw new RuntimeException("There must be exactly one uninstaller; found " 3297 + resolveInfo); 3298 } 3299 return resolveInfo.getComponentInfo().packageName; 3300 } 3301 3302 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 3303 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 3304 3305 final List<ResolveInfo> matches = queryIntentReceiversInternal(intent, PACKAGE_MIME_TYPE, 3306 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 3307 UserHandle.USER_SYSTEM, false /*allowDynamicSplits*/); 3308 ResolveInfo best = null; 3309 final int N = matches.size(); 3310 for (int i = 0; i < N; i++) { 3311 final ResolveInfo cur = matches.get(i); 3312 final String packageName = cur.getComponentInfo().packageName; 3313 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 3314 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 3315 continue; 3316 } 3317 3318 if (best == null || cur.priority > best.priority) { 3319 best = cur; 3320 } 3321 } 3322 3323 if (best != null) { 3324 return best.getComponentInfo().getComponentName(); 3325 } 3326 Slog.w(TAG, "Intent filter verifier not found"); 3327 return null; 3328 } 3329 3330 @Override 3331 public @Nullable ComponentName getInstantAppResolverComponent() { 3332 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 3333 return null; 3334 } 3335 synchronized (mPackages) { 3336 final Pair<ComponentName, String> instantAppResolver = getInstantAppResolverLPr(); 3337 if (instantAppResolver == null) { 3338 return null; 3339 } 3340 return instantAppResolver.first; 3341 } 3342 } 3343 3344 private @Nullable Pair<ComponentName, String> getInstantAppResolverLPr() { 3345 final String[] packageArray = 3346 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 3347 if (packageArray.length == 0 && !Build.IS_DEBUGGABLE) { 3348 if (DEBUG_EPHEMERAL) { 3349 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 3350 } 3351 return null; 3352 } 3353 3354 final int callingUid = Binder.getCallingUid(); 3355 final int resolveFlags = 3356 MATCH_DIRECT_BOOT_AWARE 3357 | MATCH_DIRECT_BOOT_UNAWARE 3358 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3359 String actionName = Intent.ACTION_RESOLVE_INSTANT_APP_PACKAGE; 3360 final Intent resolverIntent = new Intent(actionName); 3361 List<ResolveInfo> resolvers = queryIntentServicesInternal(resolverIntent, null, 3362 resolveFlags, UserHandle.USER_SYSTEM, callingUid, false /*includeInstantApps*/); 3363 // temporarily look for the old action 3364 if (resolvers.size() == 0) { 3365 if (DEBUG_EPHEMERAL) { 3366 Slog.d(TAG, "Ephemeral resolver not found with new action; try old one"); 3367 } 3368 actionName = Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE; 3369 resolverIntent.setAction(actionName); 3370 resolvers = queryIntentServicesInternal(resolverIntent, null, 3371 resolveFlags, UserHandle.USER_SYSTEM, callingUid, false /*includeInstantApps*/); 3372 } 3373 final int N = resolvers.size(); 3374 if (N == 0) { 3375 if (DEBUG_EPHEMERAL) { 3376 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 3377 } 3378 return null; 3379 } 3380 3381 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 3382 for (int i = 0; i < N; i++) { 3383 final ResolveInfo info = resolvers.get(i); 3384 3385 if (info.serviceInfo == null) { 3386 continue; 3387 } 3388 3389 final String packageName = info.serviceInfo.packageName; 3390 if (!possiblePackages.contains(packageName) && !Build.IS_DEBUGGABLE) { 3391 if (DEBUG_EPHEMERAL) { 3392 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 3393 + " pkg: " + packageName + ", info:" + info); 3394 } 3395 continue; 3396 } 3397 3398 if (DEBUG_EPHEMERAL) { 3399 Slog.v(TAG, "Ephemeral resolver found;" 3400 + " pkg: " + packageName + ", info:" + info); 3401 } 3402 return new Pair<>(new ComponentName(packageName, info.serviceInfo.name), actionName); 3403 } 3404 if (DEBUG_EPHEMERAL) { 3405 Slog.v(TAG, "Ephemeral resolver NOT found"); 3406 } 3407 return null; 3408 } 3409 3410 private @Nullable ActivityInfo getInstantAppInstallerLPr() { 3411 final Intent intent = new Intent(Intent.ACTION_INSTALL_INSTANT_APP_PACKAGE); 3412 intent.addCategory(Intent.CATEGORY_DEFAULT); 3413 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 3414 3415 final int resolveFlags = 3416 MATCH_DIRECT_BOOT_AWARE 3417 | MATCH_DIRECT_BOOT_UNAWARE 3418 | (!Build.IS_DEBUGGABLE ? MATCH_SYSTEM_ONLY : 0); 3419 List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3420 resolveFlags, UserHandle.USER_SYSTEM); 3421 // temporarily look for the old action 3422 if (matches.isEmpty()) { 3423 if (DEBUG_EPHEMERAL) { 3424 Slog.d(TAG, "Ephemeral installer not found with new action; try old one"); 3425 } 3426 intent.setAction(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 3427 matches = queryIntentActivitiesInternal(intent, PACKAGE_MIME_TYPE, 3428 resolveFlags, UserHandle.USER_SYSTEM); 3429 } 3430 Iterator<ResolveInfo> iter = matches.iterator(); 3431 while (iter.hasNext()) { 3432 final ResolveInfo rInfo = iter.next(); 3433 final PackageSetting ps = mSettings.mPackages.get(rInfo.activityInfo.packageName); 3434 if (ps != null) { 3435 final PermissionsState permissionsState = ps.getPermissionsState(); 3436 if (permissionsState.hasPermission(Manifest.permission.INSTALL_PACKAGES, 0)) { 3437 continue; 3438 } 3439 } 3440 iter.remove(); 3441 } 3442 if (matches.size() == 0) { 3443 return null; 3444 } else if (matches.size() == 1) { 3445 return (ActivityInfo) matches.get(0).getComponentInfo(); 3446 } else { 3447 throw new RuntimeException( 3448 "There must be at most one ephemeral installer; found " + matches); 3449 } 3450 } 3451 3452 private @Nullable ComponentName getInstantAppResolverSettingsLPr( 3453 @NonNull ComponentName resolver) { 3454 final Intent intent = new Intent(Intent.ACTION_INSTANT_APP_RESOLVER_SETTINGS) 3455 .addCategory(Intent.CATEGORY_DEFAULT) 3456 .setPackage(resolver.getPackageName()); 3457 final int resolveFlags = MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 3458 List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, resolveFlags, 3459 UserHandle.USER_SYSTEM); 3460 // temporarily look for the old action 3461 if (matches.isEmpty()) { 3462 if (DEBUG_EPHEMERAL) { 3463 Slog.d(TAG, "Ephemeral resolver settings not found with new action; try old one"); 3464 } 3465 intent.setAction(Intent.ACTION_EPHEMERAL_RESOLVER_SETTINGS); 3466 matches = queryIntentActivitiesInternal(intent, null, resolveFlags, 3467 UserHandle.USER_SYSTEM); 3468 } 3469 if (matches.isEmpty()) { 3470 return null; 3471 } 3472 return matches.get(0).getComponentInfo().getComponentName(); 3473 } 3474 3475 private void primeDomainVerificationsLPw(int userId) { 3476 if (DEBUG_DOMAIN_VERIFICATION) { 3477 Slog.d(TAG, "Priming domain verifications in user " + userId); 3478 } 3479 3480 SystemConfig systemConfig = SystemConfig.getInstance(); 3481 ArraySet<String> packages = systemConfig.getLinkedApps(); 3482 3483 for (String packageName : packages) { 3484 PackageParser.Package pkg = mPackages.get(packageName); 3485 if (pkg != null) { 3486 if (!pkg.isSystem()) { 3487 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 3488 continue; 3489 } 3490 3491 ArraySet<String> domains = null; 3492 for (PackageParser.Activity a : pkg.activities) { 3493 for (ActivityIntentInfo filter : a.intents) { 3494 if (hasValidDomains(filter)) { 3495 if (domains == null) { 3496 domains = new ArraySet<String>(); 3497 } 3498 domains.addAll(filter.getHostsList()); 3499 } 3500 } 3501 } 3502 3503 if (domains != null && domains.size() > 0) { 3504 if (DEBUG_DOMAIN_VERIFICATION) { 3505 Slog.v(TAG, " + " + packageName); 3506 } 3507 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 3508 // state w.r.t. the formal app-linkage "no verification attempted" state; 3509 // and then 'always' in the per-user state actually used for intent resolution. 3510 final IntentFilterVerificationInfo ivi; 3511 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, domains); 3512 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 3513 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 3514 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 3515 } else { 3516 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 3517 + "' does not handle web links"); 3518 } 3519 } else { 3520 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 3521 } 3522 } 3523 3524 scheduleWritePackageRestrictionsLocked(userId); 3525 scheduleWriteSettingsLocked(); 3526 } 3527 3528 private void applyFactoryDefaultBrowserLPw(int userId) { 3529 // The default browser app's package name is stored in a string resource, 3530 // with a product-specific overlay used for vendor customization. 3531 String browserPkg = mContext.getResources().getString( 3532 com.android.internal.R.string.default_browser); 3533 if (!TextUtils.isEmpty(browserPkg)) { 3534 // non-empty string => required to be a known package 3535 PackageSetting ps = mSettings.mPackages.get(browserPkg); 3536 if (ps == null) { 3537 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 3538 browserPkg = null; 3539 } else { 3540 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3541 } 3542 } 3543 3544 // Nothing valid explicitly set? Make the factory-installed browser the explicit 3545 // default. If there's more than one, just leave everything alone. 3546 if (browserPkg == null) { 3547 calculateDefaultBrowserLPw(userId); 3548 } 3549 } 3550 3551 private void calculateDefaultBrowserLPw(int userId) { 3552 List<String> allBrowsers = resolveAllBrowserApps(userId); 3553 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 3554 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 3555 } 3556 3557 private List<String> resolveAllBrowserApps(int userId) { 3558 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 3559 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3560 PackageManager.MATCH_ALL, userId); 3561 3562 final int count = list.size(); 3563 List<String> result = new ArrayList<String>(count); 3564 for (int i=0; i<count; i++) { 3565 ResolveInfo info = list.get(i); 3566 if (info.activityInfo == null 3567 || !info.handleAllWebDataURI 3568 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 3569 || result.contains(info.activityInfo.packageName)) { 3570 continue; 3571 } 3572 result.add(info.activityInfo.packageName); 3573 } 3574 3575 return result; 3576 } 3577 3578 private boolean packageIsBrowser(String packageName, int userId) { 3579 List<ResolveInfo> list = queryIntentActivitiesInternal(sBrowserIntent, null, 3580 PackageManager.MATCH_ALL, userId); 3581 final int N = list.size(); 3582 for (int i = 0; i < N; i++) { 3583 ResolveInfo info = list.get(i); 3584 if (packageName.equals(info.activityInfo.packageName)) { 3585 return true; 3586 } 3587 } 3588 return false; 3589 } 3590 3591 private void checkDefaultBrowser() { 3592 final int myUserId = UserHandle.myUserId(); 3593 final String packageName = getDefaultBrowserPackageName(myUserId); 3594 if (packageName != null) { 3595 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 3596 if (info == null) { 3597 Slog.w(TAG, "Default browser no longer installed: " + packageName); 3598 synchronized (mPackages) { 3599 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 3600 } 3601 } 3602 } 3603 } 3604 3605 @Override 3606 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 3607 throws RemoteException { 3608 try { 3609 return super.onTransact(code, data, reply, flags); 3610 } catch (RuntimeException e) { 3611 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 3612 Slog.wtf(TAG, "Package Manager Crash", e); 3613 } 3614 throw e; 3615 } 3616 } 3617 3618 static int[] appendInts(int[] cur, int[] add) { 3619 if (add == null) return cur; 3620 if (cur == null) return add; 3621 final int N = add.length; 3622 for (int i=0; i<N; i++) { 3623 cur = appendInt(cur, add[i]); 3624 } 3625 return cur; 3626 } 3627 3628 /** 3629 * Returns whether or not a full application can see an instant application. 3630 * <p> 3631 * Currently, there are three cases in which this can occur: 3632 * <ol> 3633 * <li>The calling application is a "special" process. Special processes 3634 * are those with a UID < {@link Process#FIRST_APPLICATION_UID}.</li> 3635 * <li>The calling application has the permission 3636 * {@link android.Manifest.permission#ACCESS_INSTANT_APPS}.</li> 3637 * <li>The calling application is the default launcher on the 3638 * system partition.</li> 3639 * </ol> 3640 */ 3641 private boolean canViewInstantApps(int callingUid, int userId) { 3642 if (callingUid < Process.FIRST_APPLICATION_UID) { 3643 return true; 3644 } 3645 if (mContext.checkCallingOrSelfPermission( 3646 android.Manifest.permission.ACCESS_INSTANT_APPS) == PERMISSION_GRANTED) { 3647 return true; 3648 } 3649 if (mContext.checkCallingOrSelfPermission( 3650 android.Manifest.permission.VIEW_INSTANT_APPS) == PERMISSION_GRANTED) { 3651 final ComponentName homeComponent = getDefaultHomeActivity(userId); 3652 if (homeComponent != null 3653 && isCallerSameApp(homeComponent.getPackageName(), callingUid)) { 3654 return true; 3655 } 3656 } 3657 return false; 3658 } 3659 3660 private PackageInfo generatePackageInfo(PackageSetting ps, int flags, int userId) { 3661 if (!sUserManager.exists(userId)) return null; 3662 if (ps == null) { 3663 return null; 3664 } 3665 PackageParser.Package p = ps.pkg; 3666 if (p == null) { 3667 return null; 3668 } 3669 final int callingUid = Binder.getCallingUid(); 3670 // Filter out ephemeral app metadata: 3671 // * The system/shell/root can see metadata for any app 3672 // * An installed app can see metadata for 1) other installed apps 3673 // and 2) ephemeral apps that have explicitly interacted with it 3674 // * Ephemeral apps can only see their own data and exposed installed apps 3675 // * Holding a signature permission allows seeing instant apps 3676 if (filterAppAccessLPr(ps, callingUid, userId)) { 3677 return null; 3678 } 3679 3680 final PermissionsState permissionsState = ps.getPermissionsState(); 3681 3682 // Compute GIDs only if requested 3683 final int[] gids = (flags & PackageManager.GET_GIDS) == 0 3684 ? EMPTY_INT_ARRAY : permissionsState.computeGids(userId); 3685 // Compute granted permissions only if package has requested permissions 3686 final Set<String> permissions = ArrayUtils.isEmpty(p.requestedPermissions) 3687 ? Collections.<String>emptySet() : permissionsState.getPermissions(userId); 3688 final PackageUserState state = ps.readUserState(userId); 3689 3690 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0 3691 && ps.isSystem()) { 3692 flags |= MATCH_ANY_USER; 3693 } 3694 3695 PackageInfo packageInfo = PackageParser.generatePackageInfo(p, gids, flags, 3696 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 3697 3698 if (packageInfo == null) { 3699 return null; 3700 } 3701 3702 packageInfo.packageName = packageInfo.applicationInfo.packageName = 3703 resolveExternalPackageNameLPr(p); 3704 3705 return packageInfo; 3706 } 3707 3708 @Override 3709 public void checkPackageStartable(String packageName, int userId) { 3710 final int callingUid = Binder.getCallingUid(); 3711 if (getInstantAppPackageName(callingUid) != null) { 3712 throw new SecurityException("Instant applications don't have access to this method"); 3713 } 3714 final boolean userKeyUnlocked = StorageManager.isUserKeyUnlocked(userId); 3715 synchronized (mPackages) { 3716 final PackageSetting ps = mSettings.mPackages.get(packageName); 3717 if (ps == null || filterAppAccessLPr(ps, callingUid, userId)) { 3718 throw new SecurityException("Package " + packageName + " was not found!"); 3719 } 3720 3721 if (!ps.getInstalled(userId)) { 3722 throw new SecurityException( 3723 "Package " + packageName + " was not installed for user " + userId + "!"); 3724 } 3725 3726 if (mSafeMode && !ps.isSystem()) { 3727 throw new SecurityException("Package " + packageName + " not a system app!"); 3728 } 3729 3730 if (mFrozenPackages.contains(packageName)) { 3731 throw new SecurityException("Package " + packageName + " is currently frozen!"); 3732 } 3733 3734 if (!userKeyUnlocked && !ps.pkg.applicationInfo.isEncryptionAware()) { 3735 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 3736 } 3737 } 3738 } 3739 3740 @Override 3741 public boolean isPackageAvailable(String packageName, int userId) { 3742 if (!sUserManager.exists(userId)) return false; 3743 final int callingUid = Binder.getCallingUid(); 3744 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 3745 false /*requireFullPermission*/, false /*checkShell*/, "is package available"); 3746 synchronized (mPackages) { 3747 PackageParser.Package p = mPackages.get(packageName); 3748 if (p != null) { 3749 final PackageSetting ps = (PackageSetting) p.mExtras; 3750 if (filterAppAccessLPr(ps, callingUid, userId)) { 3751 return false; 3752 } 3753 if (ps != null) { 3754 final PackageUserState state = ps.readUserState(userId); 3755 if (state != null) { 3756 return PackageParser.isAvailable(state); 3757 } 3758 } 3759 } 3760 } 3761 return false; 3762 } 3763 3764 @Override 3765 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 3766 return getPackageInfoInternal(packageName, PackageManager.VERSION_CODE_HIGHEST, 3767 flags, Binder.getCallingUid(), userId); 3768 } 3769 3770 @Override 3771 public PackageInfo getPackageInfoVersioned(VersionedPackage versionedPackage, 3772 int flags, int userId) { 3773 return getPackageInfoInternal(versionedPackage.getPackageName(), 3774 versionedPackage.getVersionCode(), flags, Binder.getCallingUid(), userId); 3775 } 3776 3777 /** 3778 * Important: The provided filterCallingUid is used exclusively to filter out packages 3779 * that can be seen based on user state. It's typically the original caller uid prior 3780 * to clearing. Because it can only be provided by trusted code, it's value can be 3781 * trusted and will be used as-is; unlike userId which will be validated by this method. 3782 */ 3783 private PackageInfo getPackageInfoInternal(String packageName, int versionCode, 3784 int flags, int filterCallingUid, int userId) { 3785 if (!sUserManager.exists(userId)) return null; 3786 flags = updateFlagsForPackage(flags, userId, packageName); 3787 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 3788 false /* requireFullPermission */, false /* checkShell */, "get package info"); 3789 3790 // reader 3791 synchronized (mPackages) { 3792 // Normalize package name to handle renamed packages and static libs 3793 packageName = resolveInternalPackageNameLPr(packageName, versionCode); 3794 3795 final boolean matchFactoryOnly = (flags & MATCH_FACTORY_ONLY) != 0; 3796 if (matchFactoryOnly) { 3797 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 3798 if (ps != null) { 3799 if (filterSharedLibPackageLPr(ps, filterCallingUid, userId, flags)) { 3800 return null; 3801 } 3802 if (filterAppAccessLPr(ps, filterCallingUid, userId)) { 3803 return null; 3804 } 3805 return generatePackageInfo(ps, flags, userId); 3806 } 3807 } 3808 3809 PackageParser.Package p = mPackages.get(packageName); 3810 if (matchFactoryOnly && p != null && !isSystemApp(p)) { 3811 return null; 3812 } 3813 if (DEBUG_PACKAGE_INFO) 3814 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 3815 if (p != null) { 3816 final PackageSetting ps = (PackageSetting) p.mExtras; 3817 if (filterSharedLibPackageLPr(ps, filterCallingUid, userId, flags)) { 3818 return null; 3819 } 3820 if (ps != null && filterAppAccessLPr(ps, filterCallingUid, userId)) { 3821 return null; 3822 } 3823 return generatePackageInfo((PackageSetting)p.mExtras, flags, userId); 3824 } 3825 if (!matchFactoryOnly && (flags & MATCH_KNOWN_PACKAGES) != 0) { 3826 final PackageSetting ps = mSettings.mPackages.get(packageName); 3827 if (ps == null) return null; 3828 if (filterSharedLibPackageLPr(ps, filterCallingUid, userId, flags)) { 3829 return null; 3830 } 3831 if (filterAppAccessLPr(ps, filterCallingUid, userId)) { 3832 return null; 3833 } 3834 return generatePackageInfo(ps, flags, userId); 3835 } 3836 } 3837 return null; 3838 } 3839 3840 private boolean isComponentVisibleToInstantApp(@Nullable ComponentName component) { 3841 if (isComponentVisibleToInstantApp(component, TYPE_ACTIVITY)) { 3842 return true; 3843 } 3844 if (isComponentVisibleToInstantApp(component, TYPE_SERVICE)) { 3845 return true; 3846 } 3847 if (isComponentVisibleToInstantApp(component, TYPE_PROVIDER)) { 3848 return true; 3849 } 3850 return false; 3851 } 3852 3853 private boolean isComponentVisibleToInstantApp( 3854 @Nullable ComponentName component, @ComponentType int type) { 3855 if (type == TYPE_ACTIVITY) { 3856 final PackageParser.Activity activity = mActivities.mActivities.get(component); 3857 return activity != null 3858 ? (activity.info.flags & ActivityInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0 3859 : false; 3860 } else if (type == TYPE_RECEIVER) { 3861 final PackageParser.Activity activity = mReceivers.mActivities.get(component); 3862 return activity != null 3863 ? (activity.info.flags & ActivityInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0 3864 : false; 3865 } else if (type == TYPE_SERVICE) { 3866 final PackageParser.Service service = mServices.mServices.get(component); 3867 return service != null 3868 ? (service.info.flags & ServiceInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0 3869 : false; 3870 } else if (type == TYPE_PROVIDER) { 3871 final PackageParser.Provider provider = mProviders.mProviders.get(component); 3872 return provider != null 3873 ? (provider.info.flags & ProviderInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0 3874 : false; 3875 } else if (type == TYPE_UNKNOWN) { 3876 return isComponentVisibleToInstantApp(component); 3877 } 3878 return false; 3879 } 3880 3881 /** 3882 * Returns whether or not access to the application should be filtered. 3883 * <p> 3884 * Access may be limited based upon whether the calling or target applications 3885 * are instant applications. 3886 * 3887 * @see #canAccessInstantApps(int) 3888 */ 3889 private boolean filterAppAccessLPr(@Nullable PackageSetting ps, int callingUid, 3890 @Nullable ComponentName component, @ComponentType int componentType, int userId) { 3891 // if we're in an isolated process, get the real calling UID 3892 if (Process.isIsolated(callingUid)) { 3893 callingUid = mIsolatedOwners.get(callingUid); 3894 } 3895 final String instantAppPkgName = getInstantAppPackageName(callingUid); 3896 final boolean callerIsInstantApp = instantAppPkgName != null; 3897 if (ps == null) { 3898 if (callerIsInstantApp) { 3899 // pretend the application exists, but, needs to be filtered 3900 return true; 3901 } 3902 return false; 3903 } 3904 // if the target and caller are the same application, don't filter 3905 if (isCallerSameApp(ps.name, callingUid)) { 3906 return false; 3907 } 3908 if (callerIsInstantApp) { 3909 // request for a specific component; if it hasn't been explicitly exposed, filter 3910 if (component != null) { 3911 return !isComponentVisibleToInstantApp(component, componentType); 3912 } 3913 // request for application; if no components have been explicitly exposed, filter 3914 return ps.getInstantApp(userId) || !ps.pkg.visibleToInstantApps; 3915 } 3916 if (ps.getInstantApp(userId)) { 3917 // caller can see all components of all instant applications, don't filter 3918 if (canViewInstantApps(callingUid, userId)) { 3919 return false; 3920 } 3921 // request for a specific instant application component, filter 3922 if (component != null) { 3923 return true; 3924 } 3925 // request for an instant application; if the caller hasn't been granted access, filter 3926 return !mInstantAppRegistry.isInstantAccessGranted( 3927 userId, UserHandle.getAppId(callingUid), ps.appId); 3928 } 3929 return false; 3930 } 3931 3932 /** 3933 * @see #filterAppAccessLPr(PackageSetting, int, ComponentName, boolean, int) 3934 */ 3935 private boolean filterAppAccessLPr(@Nullable PackageSetting ps, int callingUid, int userId) { 3936 return filterAppAccessLPr(ps, callingUid, null, TYPE_UNKNOWN, userId); 3937 } 3938 3939 private boolean filterSharedLibPackageLPr(@Nullable PackageSetting ps, int uid, int userId, 3940 int flags) { 3941 // Callers can access only the libs they depend on, otherwise they need to explicitly 3942 // ask for the shared libraries given the caller is allowed to access all static libs. 3943 if ((flags & PackageManager.MATCH_STATIC_SHARED_LIBRARIES) != 0) { 3944 // System/shell/root get to see all static libs 3945 final int appId = UserHandle.getAppId(uid); 3946 if (appId == Process.SYSTEM_UID || appId == Process.SHELL_UID 3947 || appId == Process.ROOT_UID) { 3948 return false; 3949 } 3950 } 3951 3952 // No package means no static lib as it is always on internal storage 3953 if (ps == null || ps.pkg == null || !ps.pkg.applicationInfo.isStaticSharedLibrary()) { 3954 return false; 3955 } 3956 3957 final SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(ps.pkg.staticSharedLibName, 3958 ps.pkg.staticSharedLibVersion); 3959 if (libEntry == null) { 3960 return false; 3961 } 3962 3963 final int resolvedUid = UserHandle.getUid(userId, UserHandle.getAppId(uid)); 3964 final String[] uidPackageNames = getPackagesForUid(resolvedUid); 3965 if (uidPackageNames == null) { 3966 return true; 3967 } 3968 3969 for (String uidPackageName : uidPackageNames) { 3970 if (ps.name.equals(uidPackageName)) { 3971 return false; 3972 } 3973 PackageSetting uidPs = mSettings.getPackageLPr(uidPackageName); 3974 if (uidPs != null) { 3975 final int index = ArrayUtils.indexOf(uidPs.usesStaticLibraries, 3976 libEntry.info.getName()); 3977 if (index < 0) { 3978 continue; 3979 } 3980 if (uidPs.pkg.usesStaticLibrariesVersions[index] == libEntry.info.getVersion()) { 3981 return false; 3982 } 3983 } 3984 } 3985 return true; 3986 } 3987 3988 @Override 3989 public String[] currentToCanonicalPackageNames(String[] names) { 3990 final int callingUid = Binder.getCallingUid(); 3991 if (getInstantAppPackageName(callingUid) != null) { 3992 return names; 3993 } 3994 final String[] out = new String[names.length]; 3995 // reader 3996 synchronized (mPackages) { 3997 final int callingUserId = UserHandle.getUserId(callingUid); 3998 final boolean canViewInstantApps = canViewInstantApps(callingUid, callingUserId); 3999 for (int i=names.length-1; i>=0; i--) { 4000 final PackageSetting ps = mSettings.mPackages.get(names[i]); 4001 boolean translateName = false; 4002 if (ps != null && ps.realName != null) { 4003 final boolean targetIsInstantApp = ps.getInstantApp(callingUserId); 4004 translateName = !targetIsInstantApp 4005 || canViewInstantApps 4006 || mInstantAppRegistry.isInstantAccessGranted(callingUserId, 4007 UserHandle.getAppId(callingUid), ps.appId); 4008 } 4009 out[i] = translateName ? ps.realName : names[i]; 4010 } 4011 } 4012 return out; 4013 } 4014 4015 @Override 4016 public String[] canonicalToCurrentPackageNames(String[] names) { 4017 final int callingUid = Binder.getCallingUid(); 4018 if (getInstantAppPackageName(callingUid) != null) { 4019 return names; 4020 } 4021 final String[] out = new String[names.length]; 4022 // reader 4023 synchronized (mPackages) { 4024 final int callingUserId = UserHandle.getUserId(callingUid); 4025 final boolean canViewInstantApps = canViewInstantApps(callingUid, callingUserId); 4026 for (int i=names.length-1; i>=0; i--) { 4027 final String cur = mSettings.getRenamedPackageLPr(names[i]); 4028 boolean translateName = false; 4029 if (cur != null) { 4030 final PackageSetting ps = mSettings.mPackages.get(names[i]); 4031 final boolean targetIsInstantApp = 4032 ps != null && ps.getInstantApp(callingUserId); 4033 translateName = !targetIsInstantApp 4034 || canViewInstantApps 4035 || mInstantAppRegistry.isInstantAccessGranted(callingUserId, 4036 UserHandle.getAppId(callingUid), ps.appId); 4037 } 4038 out[i] = translateName ? cur : names[i]; 4039 } 4040 } 4041 return out; 4042 } 4043 4044 @Override 4045 public int getPackageUid(String packageName, int flags, int userId) { 4046 if (!sUserManager.exists(userId)) return -1; 4047 final int callingUid = Binder.getCallingUid(); 4048 flags = updateFlagsForPackage(flags, userId, packageName); 4049 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 4050 false /*requireFullPermission*/, false /*checkShell*/, "getPackageUid"); 4051 4052 // reader 4053 synchronized (mPackages) { 4054 final PackageParser.Package p = mPackages.get(packageName); 4055 if (p != null && p.isMatch(flags)) { 4056 PackageSetting ps = (PackageSetting) p.mExtras; 4057 if (filterAppAccessLPr(ps, callingUid, userId)) { 4058 return -1; 4059 } 4060 return UserHandle.getUid(userId, p.applicationInfo.uid); 4061 } 4062 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 4063 final PackageSetting ps = mSettings.mPackages.get(packageName); 4064 if (ps != null && ps.isMatch(flags) 4065 && !filterAppAccessLPr(ps, callingUid, userId)) { 4066 return UserHandle.getUid(userId, ps.appId); 4067 } 4068 } 4069 } 4070 4071 return -1; 4072 } 4073 4074 @Override 4075 public int[] getPackageGids(String packageName, int flags, int userId) { 4076 if (!sUserManager.exists(userId)) return null; 4077 final int callingUid = Binder.getCallingUid(); 4078 flags = updateFlagsForPackage(flags, userId, packageName); 4079 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 4080 false /*requireFullPermission*/, false /*checkShell*/, "getPackageGids"); 4081 4082 // reader 4083 synchronized (mPackages) { 4084 final PackageParser.Package p = mPackages.get(packageName); 4085 if (p != null && p.isMatch(flags)) { 4086 PackageSetting ps = (PackageSetting) p.mExtras; 4087 if (filterAppAccessLPr(ps, callingUid, userId)) { 4088 return null; 4089 } 4090 // TODO: Shouldn't this be checking for package installed state for userId and 4091 // return null? 4092 return ps.getPermissionsState().computeGids(userId); 4093 } 4094 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 4095 final PackageSetting ps = mSettings.mPackages.get(packageName); 4096 if (ps != null && ps.isMatch(flags) 4097 && !filterAppAccessLPr(ps, callingUid, userId)) { 4098 return ps.getPermissionsState().computeGids(userId); 4099 } 4100 } 4101 } 4102 4103 return null; 4104 } 4105 4106 @Override 4107 public PermissionInfo getPermissionInfo(String name, String packageName, int flags) { 4108 return mPermissionManager.getPermissionInfo(name, packageName, flags, getCallingUid()); 4109 } 4110 4111 @Override 4112 public @Nullable ParceledListSlice<PermissionInfo> queryPermissionsByGroup(String groupName, 4113 int flags) { 4114 final List<PermissionInfo> permissionList = 4115 mPermissionManager.getPermissionInfoByGroup(groupName, flags, getCallingUid()); 4116 return (permissionList == null) ? null : new ParceledListSlice<>(permissionList); 4117 } 4118 4119 @Override 4120 public PermissionGroupInfo getPermissionGroupInfo(String groupName, int flags) { 4121 return mPermissionManager.getPermissionGroupInfo(groupName, flags, getCallingUid()); 4122 } 4123 4124 @Override 4125 public @NonNull ParceledListSlice<PermissionGroupInfo> getAllPermissionGroups(int flags) { 4126 final List<PermissionGroupInfo> permissionList = 4127 mPermissionManager.getAllPermissionGroups(flags, getCallingUid()); 4128 return (permissionList == null) 4129 ? ParceledListSlice.emptyList() : new ParceledListSlice<>(permissionList); 4130 } 4131 4132 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 4133 int filterCallingUid, int userId) { 4134 if (!sUserManager.exists(userId)) return null; 4135 PackageSetting ps = mSettings.mPackages.get(packageName); 4136 if (ps != null) { 4137 if (filterSharedLibPackageLPr(ps, filterCallingUid, userId, flags)) { 4138 return null; 4139 } 4140 if (filterAppAccessLPr(ps, filterCallingUid, userId)) { 4141 return null; 4142 } 4143 if (ps.pkg == null) { 4144 final PackageInfo pInfo = generatePackageInfo(ps, flags, userId); 4145 if (pInfo != null) { 4146 return pInfo.applicationInfo; 4147 } 4148 return null; 4149 } 4150 ApplicationInfo ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 4151 ps.readUserState(userId), userId); 4152 if (ai != null) { 4153 ai.packageName = resolveExternalPackageNameLPr(ps.pkg); 4154 } 4155 return ai; 4156 } 4157 return null; 4158 } 4159 4160 @Override 4161 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 4162 return getApplicationInfoInternal(packageName, flags, Binder.getCallingUid(), userId); 4163 } 4164 4165 /** 4166 * Important: The provided filterCallingUid is used exclusively to filter out applications 4167 * that can be seen based on user state. It's typically the original caller uid prior 4168 * to clearing. Because it can only be provided by trusted code, it's value can be 4169 * trusted and will be used as-is; unlike userId which will be validated by this method. 4170 */ 4171 private ApplicationInfo getApplicationInfoInternal(String packageName, int flags, 4172 int filterCallingUid, int userId) { 4173 if (!sUserManager.exists(userId)) return null; 4174 flags = updateFlagsForApplication(flags, userId, packageName); 4175 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 4176 false /* requireFullPermission */, false /* checkShell */, "get application info"); 4177 4178 // writer 4179 synchronized (mPackages) { 4180 // Normalize package name to handle renamed packages and static libs 4181 packageName = resolveInternalPackageNameLPr(packageName, 4182 PackageManager.VERSION_CODE_HIGHEST); 4183 4184 PackageParser.Package p = mPackages.get(packageName); 4185 if (DEBUG_PACKAGE_INFO) Log.v( 4186 TAG, "getApplicationInfo " + packageName 4187 + ": " + p); 4188 if (p != null) { 4189 PackageSetting ps = mSettings.mPackages.get(packageName); 4190 if (ps == null) return null; 4191 if (filterSharedLibPackageLPr(ps, filterCallingUid, userId, flags)) { 4192 return null; 4193 } 4194 if (filterAppAccessLPr(ps, filterCallingUid, userId)) { 4195 return null; 4196 } 4197 // Note: isEnabledLP() does not apply here - always return info 4198 ApplicationInfo ai = PackageParser.generateApplicationInfo( 4199 p, flags, ps.readUserState(userId), userId); 4200 if (ai != null) { 4201 ai.packageName = resolveExternalPackageNameLPr(p); 4202 } 4203 return ai; 4204 } 4205 if ("android".equals(packageName)||"system".equals(packageName)) { 4206 return mAndroidApplication; 4207 } 4208 if ((flags & MATCH_KNOWN_PACKAGES) != 0) { 4209 // Already generates the external package name 4210 return generateApplicationInfoFromSettingsLPw(packageName, 4211 flags, filterCallingUid, userId); 4212 } 4213 } 4214 return null; 4215 } 4216 4217 private String normalizePackageNameLPr(String packageName) { 4218 String normalizedPackageName = mSettings.getRenamedPackageLPr(packageName); 4219 return normalizedPackageName != null ? normalizedPackageName : packageName; 4220 } 4221 4222 @Override 4223 public void deletePreloadsFileCache() { 4224 if (!UserHandle.isSameApp(Binder.getCallingUid(), Process.SYSTEM_UID)) { 4225 throw new SecurityException("Only system or settings may call deletePreloadsFileCache"); 4226 } 4227 File dir = Environment.getDataPreloadsFileCacheDirectory(); 4228 Slog.i(TAG, "Deleting preloaded file cache " + dir); 4229 FileUtils.deleteContents(dir); 4230 } 4231 4232 @Override 4233 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 4234 final int storageFlags, final IPackageDataObserver observer) { 4235 mContext.enforceCallingOrSelfPermission( 4236 android.Manifest.permission.CLEAR_APP_CACHE, null); 4237 mHandler.post(() -> { 4238 boolean success = false; 4239 try { 4240 freeStorage(volumeUuid, freeStorageSize, storageFlags); 4241 success = true; 4242 } catch (IOException e) { 4243 Slog.w(TAG, e); 4244 } 4245 if (observer != null) { 4246 try { 4247 observer.onRemoveCompleted(null, success); 4248 } catch (RemoteException e) { 4249 Slog.w(TAG, e); 4250 } 4251 } 4252 }); 4253 } 4254 4255 @Override 4256 public void freeStorage(final String volumeUuid, final long freeStorageSize, 4257 final int storageFlags, final IntentSender pi) { 4258 mContext.enforceCallingOrSelfPermission( 4259 android.Manifest.permission.CLEAR_APP_CACHE, TAG); 4260 mHandler.post(() -> { 4261 boolean success = false; 4262 try { 4263 freeStorage(volumeUuid, freeStorageSize, storageFlags); 4264 success = true; 4265 } catch (IOException e) { 4266 Slog.w(TAG, e); 4267 } 4268 if (pi != null) { 4269 try { 4270 pi.sendIntent(null, success ? 1 : 0, null, null, null); 4271 } catch (SendIntentException e) { 4272 Slog.w(TAG, e); 4273 } 4274 } 4275 }); 4276 } 4277 4278 /** 4279 * Blocking call to clear various types of cached data across the system 4280 * until the requested bytes are available. 4281 */ 4282 public void freeStorage(String volumeUuid, long bytes, int storageFlags) throws IOException { 4283 final StorageManager storage = mContext.getSystemService(StorageManager.class); 4284 final File file = storage.findPathForUuid(volumeUuid); 4285 if (file.getUsableSpace() >= bytes) return; 4286 4287 if (ENABLE_FREE_CACHE_V2) { 4288 final boolean internalVolume = Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, 4289 volumeUuid); 4290 final boolean aggressive = (storageFlags 4291 & StorageManager.FLAG_ALLOCATE_AGGRESSIVE) != 0; 4292 final long reservedBytes = storage.getStorageCacheBytes(file, storageFlags); 4293 4294 // 1. Pre-flight to determine if we have any chance to succeed 4295 // 2. Consider preloaded data (after 1w honeymoon, unless aggressive) 4296 if (internalVolume && (aggressive || SystemProperties 4297 .getBoolean("persist.sys.preloads.file_cache_expired", false))) { 4298 deletePreloadsFileCache(); 4299 if (file.getUsableSpace() >= bytes) return; 4300 } 4301 4302 // 3. Consider parsed APK data (aggressive only) 4303 if (internalVolume && aggressive) { 4304 FileUtils.deleteContents(mCacheDir); 4305 if (file.getUsableSpace() >= bytes) return; 4306 } 4307 4308 // 4. Consider cached app data (above quotas) 4309 try { 4310 mInstaller.freeCache(volumeUuid, bytes, reservedBytes, 4311 Installer.FLAG_FREE_CACHE_V2); 4312 } catch (InstallerException ignored) { 4313 } 4314 if (file.getUsableSpace() >= bytes) return; 4315 4316 // 5. Consider shared libraries with refcount=0 and age>min cache period 4317 if (internalVolume && pruneUnusedStaticSharedLibraries(bytes, 4318 android.provider.Settings.Global.getLong(mContext.getContentResolver(), 4319 Global.UNUSED_STATIC_SHARED_LIB_MIN_CACHE_PERIOD, 4320 DEFAULT_UNUSED_STATIC_SHARED_LIB_MIN_CACHE_PERIOD))) { 4321 return; 4322 } 4323 4324 // 6. Consider dexopt output (aggressive only) 4325 // TODO: Implement 4326 4327 // 7. Consider installed instant apps unused longer than min cache period 4328 if (internalVolume && mInstantAppRegistry.pruneInstalledInstantApps(bytes, 4329 android.provider.Settings.Global.getLong(mContext.getContentResolver(), 4330 Global.INSTALLED_INSTANT_APP_MIN_CACHE_PERIOD, 4331 InstantAppRegistry.DEFAULT_INSTALLED_INSTANT_APP_MIN_CACHE_PERIOD))) { 4332 return; 4333 } 4334 4335 // 8. Consider cached app data (below quotas) 4336 try { 4337 mInstaller.freeCache(volumeUuid, bytes, reservedBytes, 4338 Installer.FLAG_FREE_CACHE_V2 | Installer.FLAG_FREE_CACHE_V2_DEFY_QUOTA); 4339 } catch (InstallerException ignored) { 4340 } 4341 if (file.getUsableSpace() >= bytes) return; 4342 4343 // 9. Consider DropBox entries 4344 // TODO: Implement 4345 4346 // 10. Consider instant meta-data (uninstalled apps) older that min cache period 4347 if (internalVolume && mInstantAppRegistry.pruneUninstalledInstantApps(bytes, 4348 android.provider.Settings.Global.getLong(mContext.getContentResolver(), 4349 Global.UNINSTALLED_INSTANT_APP_MIN_CACHE_PERIOD, 4350 InstantAppRegistry.DEFAULT_UNINSTALLED_INSTANT_APP_MIN_CACHE_PERIOD))) { 4351 return; 4352 } 4353 } else { 4354 try { 4355 mInstaller.freeCache(volumeUuid, bytes, 0, 0); 4356 } catch (InstallerException ignored) { 4357 } 4358 if (file.getUsableSpace() >= bytes) return; 4359 } 4360 4361 throw new IOException("Failed to free " + bytes + " on storage device at " + file); 4362 } 4363 4364 private boolean pruneUnusedStaticSharedLibraries(long neededSpace, long maxCachePeriod) 4365 throws IOException { 4366 final StorageManager storage = mContext.getSystemService(StorageManager.class); 4367 final File volume = storage.findPathForUuid(StorageManager.UUID_PRIVATE_INTERNAL); 4368 4369 List<VersionedPackage> packagesToDelete = null; 4370 final long now = System.currentTimeMillis(); 4371 4372 synchronized (mPackages) { 4373 final int[] allUsers = sUserManager.getUserIds(); 4374 final int libCount = mSharedLibraries.size(); 4375 for (int i = 0; i < libCount; i++) { 4376 final SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 4377 if (versionedLib == null) { 4378 continue; 4379 } 4380 final int versionCount = versionedLib.size(); 4381 for (int j = 0; j < versionCount; j++) { 4382 SharedLibraryInfo libInfo = versionedLib.valueAt(j).info; 4383 // Skip packages that are not static shared libs. 4384 if (!libInfo.isStatic()) { 4385 break; 4386 } 4387 // Important: We skip static shared libs used for some user since 4388 // in such a case we need to keep the APK on the device. The check for 4389 // a lib being used for any user is performed by the uninstall call. 4390 final VersionedPackage declaringPackage = libInfo.getDeclaringPackage(); 4391 // Resolve the package name - we use synthetic package names internally 4392 final String internalPackageName = resolveInternalPackageNameLPr( 4393 declaringPackage.getPackageName(), declaringPackage.getVersionCode()); 4394 final PackageSetting ps = mSettings.getPackageLPr(internalPackageName); 4395 // Skip unused static shared libs cached less than the min period 4396 // to prevent pruning a lib needed by a subsequently installed package. 4397 if (ps == null || now - ps.lastUpdateTime < maxCachePeriod) { 4398 continue; 4399 } 4400 if (packagesToDelete == null) { 4401 packagesToDelete = new ArrayList<>(); 4402 } 4403 packagesToDelete.add(new VersionedPackage(internalPackageName, 4404 declaringPackage.getVersionCode())); 4405 } 4406 } 4407 } 4408 4409 if (packagesToDelete != null) { 4410 final int packageCount = packagesToDelete.size(); 4411 for (int i = 0; i < packageCount; i++) { 4412 final VersionedPackage pkgToDelete = packagesToDelete.get(i); 4413 // Delete the package synchronously (will fail of the lib used for any user). 4414 if (deletePackageX(pkgToDelete.getPackageName(), pkgToDelete.getVersionCode(), 4415 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS) 4416 == PackageManager.DELETE_SUCCEEDED) { 4417 if (volume.getUsableSpace() >= neededSpace) { 4418 return true; 4419 } 4420 } 4421 } 4422 } 4423 4424 return false; 4425 } 4426 4427 /** 4428 * Update given flags based on encryption status of current user. 4429 */ 4430 private int updateFlags(int flags, int userId) { 4431 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 4432 | PackageManager.MATCH_DIRECT_BOOT_AWARE)) != 0) { 4433 // Caller expressed an explicit opinion about what encryption 4434 // aware/unaware components they want to see, so fall through and 4435 // give them what they want 4436 } else { 4437 // Caller expressed no opinion, so match based on user state 4438 if (getUserManagerInternal().isUserUnlockingOrUnlocked(userId)) { 4439 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE; 4440 } else { 4441 flags |= PackageManager.MATCH_DIRECT_BOOT_AWARE; 4442 } 4443 } 4444 return flags; 4445 } 4446 4447 private UserManagerInternal getUserManagerInternal() { 4448 if (mUserManagerInternal == null) { 4449 mUserManagerInternal = LocalServices.getService(UserManagerInternal.class); 4450 } 4451 return mUserManagerInternal; 4452 } 4453 4454 private DeviceIdleController.LocalService getDeviceIdleController() { 4455 if (mDeviceIdleController == null) { 4456 mDeviceIdleController = 4457 LocalServices.getService(DeviceIdleController.LocalService.class); 4458 } 4459 return mDeviceIdleController; 4460 } 4461 4462 /** 4463 * Update given flags when being used to request {@link PackageInfo}. 4464 */ 4465 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 4466 final boolean isCallerSystemUser = UserHandle.getCallingUserId() == UserHandle.USER_SYSTEM; 4467 boolean triaged = true; 4468 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 4469 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 4470 // Caller is asking for component details, so they'd better be 4471 // asking for specific encryption matching behavior, or be triaged 4472 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 4473 | PackageManager.MATCH_DIRECT_BOOT_AWARE 4474 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 4475 triaged = false; 4476 } 4477 } 4478 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 4479 | PackageManager.MATCH_SYSTEM_ONLY 4480 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 4481 triaged = false; 4482 } 4483 if ((flags & PackageManager.MATCH_ANY_USER) != 0) { 4484 mPermissionManager.enforceCrossUserPermission( 4485 Binder.getCallingUid(), userId, false, false, 4486 "MATCH_ANY_USER flag requires INTERACT_ACROSS_USERS permission at " 4487 + Debug.getCallers(5)); 4488 } else if ((flags & PackageManager.MATCH_UNINSTALLED_PACKAGES) != 0 && isCallerSystemUser 4489 && sUserManager.hasManagedProfile(UserHandle.USER_SYSTEM)) { 4490 // If the caller wants all packages and has a restricted profile associated with it, 4491 // then match all users. This is to make sure that launchers that need to access work 4492 // profile apps don't start breaking. TODO: Remove this hack when launchers stop using 4493 // MATCH_UNINSTALLED_PACKAGES to query apps in other profiles. b/31000380 4494 flags |= PackageManager.MATCH_ANY_USER; 4495 } 4496 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 4497 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 4498 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 4499 } 4500 return updateFlags(flags, userId); 4501 } 4502 4503 /** 4504 * Update given flags when being used to request {@link ApplicationInfo}. 4505 */ 4506 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 4507 return updateFlagsForPackage(flags, userId, cookie); 4508 } 4509 4510 /** 4511 * Update given flags when being used to request {@link ComponentInfo}. 4512 */ 4513 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 4514 if (cookie instanceof Intent) { 4515 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 4516 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 4517 } 4518 } 4519 4520 boolean triaged = true; 4521 // Caller is asking for component details, so they'd better be 4522 // asking for specific encryption matching behavior, or be triaged 4523 if ((flags & (PackageManager.MATCH_DIRECT_BOOT_UNAWARE 4524 | PackageManager.MATCH_DIRECT_BOOT_AWARE 4525 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 4526 triaged = false; 4527 } 4528 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 4529 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 4530 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 4531 } 4532 4533 return updateFlags(flags, userId); 4534 } 4535 4536 /** 4537 * Update given intent when being used to request {@link ResolveInfo}. 4538 */ 4539 private Intent updateIntentForResolve(Intent intent) { 4540 if (intent.getSelector() != null) { 4541 intent = intent.getSelector(); 4542 } 4543 if (DEBUG_PREFERRED) { 4544 intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4545 } 4546 return intent; 4547 } 4548 4549 /** 4550 * Update given flags when being used to request {@link ResolveInfo}. 4551 * <p>Instant apps are resolved specially, depending upon context. Minimally, 4552 * {@code}flags{@code} must have the {@link PackageManager#MATCH_INSTANT} 4553 * flag set. However, this flag is only honoured in three circumstances: 4554 * <ul> 4555 * <li>when called from a system process</li> 4556 * <li>when the caller holds the permission {@code android.permission.ACCESS_INSTANT_APPS}</li> 4557 * <li>when resolution occurs to start an activity with a {@code android.intent.action.VIEW} 4558 * action and a {@code android.intent.category.BROWSABLE} category</li> 4559 * </ul> 4560 */ 4561 int updateFlagsForResolve(int flags, int userId, Intent intent, int callingUid) { 4562 return updateFlagsForResolve(flags, userId, intent, callingUid, 4563 false /*wantInstantApps*/, false /*onlyExposedExplicitly*/); 4564 } 4565 int updateFlagsForResolve(int flags, int userId, Intent intent, int callingUid, 4566 boolean wantInstantApps) { 4567 return updateFlagsForResolve(flags, userId, intent, callingUid, 4568 wantInstantApps, false /*onlyExposedExplicitly*/); 4569 } 4570 int updateFlagsForResolve(int flags, int userId, Intent intent, int callingUid, 4571 boolean wantInstantApps, boolean onlyExposedExplicitly) { 4572 // Safe mode means we shouldn't match any third-party components 4573 if (mSafeMode) { 4574 flags |= PackageManager.MATCH_SYSTEM_ONLY; 4575 } 4576 if (getInstantAppPackageName(callingUid) != null) { 4577 // But, ephemeral apps see both ephemeral and exposed, non-ephemeral components 4578 if (onlyExposedExplicitly) { 4579 flags |= PackageManager.MATCH_EXPLICITLY_VISIBLE_ONLY; 4580 } 4581 flags |= PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY; 4582 flags |= PackageManager.MATCH_INSTANT; 4583 } else { 4584 final boolean wantMatchInstant = (flags & PackageManager.MATCH_INSTANT) != 0; 4585 final boolean allowMatchInstant = 4586 (wantInstantApps 4587 && Intent.ACTION_VIEW.equals(intent.getAction()) 4588 && hasWebURI(intent)) 4589 || (wantMatchInstant && canViewInstantApps(callingUid, userId)); 4590 flags &= ~(PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY 4591 | PackageManager.MATCH_EXPLICITLY_VISIBLE_ONLY); 4592 if (!allowMatchInstant) { 4593 flags &= ~PackageManager.MATCH_INSTANT; 4594 } 4595 } 4596 return updateFlagsForComponent(flags, userId, intent /*cookie*/); 4597 } 4598 4599 @Override 4600 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 4601 return getActivityInfoInternal(component, flags, Binder.getCallingUid(), userId); 4602 } 4603 4604 /** 4605 * Important: The provided filterCallingUid is used exclusively to filter out activities 4606 * that can be seen based on user state. It's typically the original caller uid prior 4607 * to clearing. Because it can only be provided by trusted code, it's value can be 4608 * trusted and will be used as-is; unlike userId which will be validated by this method. 4609 */ 4610 private ActivityInfo getActivityInfoInternal(ComponentName component, int flags, 4611 int filterCallingUid, int userId) { 4612 if (!sUserManager.exists(userId)) return null; 4613 flags = updateFlagsForComponent(flags, userId, component); 4614 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 4615 false /* requireFullPermission */, false /* checkShell */, "get activity info"); 4616 synchronized (mPackages) { 4617 PackageParser.Activity a = mActivities.mActivities.get(component); 4618 4619 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 4620 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 4621 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4622 if (ps == null) return null; 4623 if (filterAppAccessLPr(ps, filterCallingUid, component, TYPE_ACTIVITY, userId)) { 4624 return null; 4625 } 4626 return PackageParser.generateActivityInfo( 4627 a, flags, ps.readUserState(userId), userId); 4628 } 4629 if (mResolveComponentName.equals(component)) { 4630 return PackageParser.generateActivityInfo( 4631 mResolveActivity, flags, new PackageUserState(), userId); 4632 } 4633 } 4634 return null; 4635 } 4636 4637 @Override 4638 public boolean activitySupportsIntent(ComponentName component, Intent intent, 4639 String resolvedType) { 4640 synchronized (mPackages) { 4641 if (component.equals(mResolveComponentName)) { 4642 // The resolver supports EVERYTHING! 4643 return true; 4644 } 4645 final int callingUid = Binder.getCallingUid(); 4646 final int callingUserId = UserHandle.getUserId(callingUid); 4647 PackageParser.Activity a = mActivities.mActivities.get(component); 4648 if (a == null) { 4649 return false; 4650 } 4651 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4652 if (ps == null) { 4653 return false; 4654 } 4655 if (filterAppAccessLPr(ps, callingUid, component, TYPE_ACTIVITY, callingUserId)) { 4656 return false; 4657 } 4658 for (int i=0; i<a.intents.size(); i++) { 4659 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 4660 intent.getData(), intent.getCategories(), TAG) >= 0) { 4661 return true; 4662 } 4663 } 4664 return false; 4665 } 4666 } 4667 4668 @Override 4669 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 4670 if (!sUserManager.exists(userId)) return null; 4671 final int callingUid = Binder.getCallingUid(); 4672 flags = updateFlagsForComponent(flags, userId, component); 4673 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 4674 false /* requireFullPermission */, false /* checkShell */, "get receiver info"); 4675 synchronized (mPackages) { 4676 PackageParser.Activity a = mReceivers.mActivities.get(component); 4677 if (DEBUG_PACKAGE_INFO) Log.v( 4678 TAG, "getReceiverInfo " + component + ": " + a); 4679 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 4680 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4681 if (ps == null) return null; 4682 if (filterAppAccessLPr(ps, callingUid, component, TYPE_RECEIVER, userId)) { 4683 return null; 4684 } 4685 return PackageParser.generateActivityInfo( 4686 a, flags, ps.readUserState(userId), userId); 4687 } 4688 } 4689 return null; 4690 } 4691 4692 @Override 4693 public ParceledListSlice<SharedLibraryInfo> getSharedLibraries(String packageName, 4694 int flags, int userId) { 4695 if (!sUserManager.exists(userId)) return null; 4696 Preconditions.checkArgumentNonnegative(userId, "userId must be >= 0"); 4697 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 4698 return null; 4699 } 4700 4701 flags = updateFlagsForPackage(flags, userId, null); 4702 4703 final boolean canSeeStaticLibraries = 4704 mContext.checkCallingOrSelfPermission(INSTALL_PACKAGES) 4705 == PERMISSION_GRANTED 4706 || mContext.checkCallingOrSelfPermission(DELETE_PACKAGES) 4707 == PERMISSION_GRANTED 4708 || canRequestPackageInstallsInternal(packageName, 4709 PackageManager.MATCH_STATIC_SHARED_LIBRARIES, userId, 4710 false /* throwIfPermNotDeclared*/) 4711 || mContext.checkCallingOrSelfPermission(REQUEST_DELETE_PACKAGES) 4712 == PERMISSION_GRANTED; 4713 4714 synchronized (mPackages) { 4715 List<SharedLibraryInfo> result = null; 4716 4717 final int libCount = mSharedLibraries.size(); 4718 for (int i = 0; i < libCount; i++) { 4719 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 4720 if (versionedLib == null) { 4721 continue; 4722 } 4723 4724 final int versionCount = versionedLib.size(); 4725 for (int j = 0; j < versionCount; j++) { 4726 SharedLibraryInfo libInfo = versionedLib.valueAt(j).info; 4727 if (!canSeeStaticLibraries && libInfo.isStatic()) { 4728 break; 4729 } 4730 final long identity = Binder.clearCallingIdentity(); 4731 try { 4732 PackageInfo packageInfo = getPackageInfoVersioned( 4733 libInfo.getDeclaringPackage(), flags 4734 | PackageManager.MATCH_STATIC_SHARED_LIBRARIES, userId); 4735 if (packageInfo == null) { 4736 continue; 4737 } 4738 } finally { 4739 Binder.restoreCallingIdentity(identity); 4740 } 4741 4742 SharedLibraryInfo resLibInfo = new SharedLibraryInfo(libInfo.getName(), 4743 libInfo.getVersion(), libInfo.getType(), 4744 libInfo.getDeclaringPackage(), getPackagesUsingSharedLibraryLPr(libInfo, 4745 flags, userId)); 4746 4747 if (result == null) { 4748 result = new ArrayList<>(); 4749 } 4750 result.add(resLibInfo); 4751 } 4752 } 4753 4754 return result != null ? new ParceledListSlice<>(result) : null; 4755 } 4756 } 4757 4758 private List<VersionedPackage> getPackagesUsingSharedLibraryLPr( 4759 SharedLibraryInfo libInfo, int flags, int userId) { 4760 List<VersionedPackage> versionedPackages = null; 4761 final int packageCount = mSettings.mPackages.size(); 4762 for (int i = 0; i < packageCount; i++) { 4763 PackageSetting ps = mSettings.mPackages.valueAt(i); 4764 4765 if (ps == null) { 4766 continue; 4767 } 4768 4769 if (!ps.getUserState().get(userId).isAvailable(flags)) { 4770 continue; 4771 } 4772 4773 final String libName = libInfo.getName(); 4774 if (libInfo.isStatic()) { 4775 final int libIdx = ArrayUtils.indexOf(ps.usesStaticLibraries, libName); 4776 if (libIdx < 0) { 4777 continue; 4778 } 4779 if (ps.usesStaticLibrariesVersions[libIdx] != libInfo.getVersion()) { 4780 continue; 4781 } 4782 if (versionedPackages == null) { 4783 versionedPackages = new ArrayList<>(); 4784 } 4785 // If the dependent is a static shared lib, use the public package name 4786 String dependentPackageName = ps.name; 4787 if (ps.pkg != null && ps.pkg.applicationInfo.isStaticSharedLibrary()) { 4788 dependentPackageName = ps.pkg.manifestPackageName; 4789 } 4790 versionedPackages.add(new VersionedPackage(dependentPackageName, ps.versionCode)); 4791 } else if (ps.pkg != null) { 4792 if (ArrayUtils.contains(ps.pkg.usesLibraries, libName) 4793 || ArrayUtils.contains(ps.pkg.usesOptionalLibraries, libName)) { 4794 if (versionedPackages == null) { 4795 versionedPackages = new ArrayList<>(); 4796 } 4797 versionedPackages.add(new VersionedPackage(ps.name, ps.versionCode)); 4798 } 4799 } 4800 } 4801 4802 return versionedPackages; 4803 } 4804 4805 @Override 4806 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 4807 if (!sUserManager.exists(userId)) return null; 4808 final int callingUid = Binder.getCallingUid(); 4809 flags = updateFlagsForComponent(flags, userId, component); 4810 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 4811 false /* requireFullPermission */, false /* checkShell */, "get service info"); 4812 synchronized (mPackages) { 4813 PackageParser.Service s = mServices.mServices.get(component); 4814 if (DEBUG_PACKAGE_INFO) Log.v( 4815 TAG, "getServiceInfo " + component + ": " + s); 4816 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 4817 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4818 if (ps == null) return null; 4819 if (filterAppAccessLPr(ps, callingUid, component, TYPE_SERVICE, userId)) { 4820 return null; 4821 } 4822 return PackageParser.generateServiceInfo( 4823 s, flags, ps.readUserState(userId), userId); 4824 } 4825 } 4826 return null; 4827 } 4828 4829 @Override 4830 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 4831 if (!sUserManager.exists(userId)) return null; 4832 final int callingUid = Binder.getCallingUid(); 4833 flags = updateFlagsForComponent(flags, userId, component); 4834 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 4835 false /* requireFullPermission */, false /* checkShell */, "get provider info"); 4836 synchronized (mPackages) { 4837 PackageParser.Provider p = mProviders.mProviders.get(component); 4838 if (DEBUG_PACKAGE_INFO) Log.v( 4839 TAG, "getProviderInfo " + component + ": " + p); 4840 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 4841 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 4842 if (ps == null) return null; 4843 if (filterAppAccessLPr(ps, callingUid, component, TYPE_PROVIDER, userId)) { 4844 return null; 4845 } 4846 return PackageParser.generateProviderInfo( 4847 p, flags, ps.readUserState(userId), userId); 4848 } 4849 } 4850 return null; 4851 } 4852 4853 @Override 4854 public String[] getSystemSharedLibraryNames() { 4855 // allow instant applications 4856 synchronized (mPackages) { 4857 Set<String> libs = null; 4858 final int libCount = mSharedLibraries.size(); 4859 for (int i = 0; i < libCount; i++) { 4860 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.valueAt(i); 4861 if (versionedLib == null) { 4862 continue; 4863 } 4864 final int versionCount = versionedLib.size(); 4865 for (int j = 0; j < versionCount; j++) { 4866 SharedLibraryEntry libEntry = versionedLib.valueAt(j); 4867 if (!libEntry.info.isStatic()) { 4868 if (libs == null) { 4869 libs = new ArraySet<>(); 4870 } 4871 libs.add(libEntry.info.getName()); 4872 break; 4873 } 4874 PackageSetting ps = mSettings.getPackageLPr(libEntry.apk); 4875 if (ps != null && !filterSharedLibPackageLPr(ps, Binder.getCallingUid(), 4876 UserHandle.getUserId(Binder.getCallingUid()), 4877 PackageManager.MATCH_STATIC_SHARED_LIBRARIES)) { 4878 if (libs == null) { 4879 libs = new ArraySet<>(); 4880 } 4881 libs.add(libEntry.info.getName()); 4882 break; 4883 } 4884 } 4885 } 4886 4887 if (libs != null) { 4888 String[] libsArray = new String[libs.size()]; 4889 libs.toArray(libsArray); 4890 return libsArray; 4891 } 4892 4893 return null; 4894 } 4895 } 4896 4897 @Override 4898 public @NonNull String getServicesSystemSharedLibraryPackageName() { 4899 // allow instant applications 4900 synchronized (mPackages) { 4901 return mServicesSystemSharedLibraryPackageName; 4902 } 4903 } 4904 4905 @Override 4906 public @NonNull String getSharedSystemSharedLibraryPackageName() { 4907 // allow instant applications 4908 synchronized (mPackages) { 4909 return mSharedSystemSharedLibraryPackageName; 4910 } 4911 } 4912 4913 private void updateSequenceNumberLP(PackageSetting pkgSetting, int[] userList) { 4914 for (int i = userList.length - 1; i >= 0; --i) { 4915 final int userId = userList[i]; 4916 // don't add instant app to the list of updates 4917 if (pkgSetting.getInstantApp(userId)) { 4918 continue; 4919 } 4920 SparseArray<String> changedPackages = mChangedPackages.get(userId); 4921 if (changedPackages == null) { 4922 changedPackages = new SparseArray<>(); 4923 mChangedPackages.put(userId, changedPackages); 4924 } 4925 Map<String, Integer> sequenceNumbers = mChangedPackagesSequenceNumbers.get(userId); 4926 if (sequenceNumbers == null) { 4927 sequenceNumbers = new HashMap<>(); 4928 mChangedPackagesSequenceNumbers.put(userId, sequenceNumbers); 4929 } 4930 final Integer sequenceNumber = sequenceNumbers.get(pkgSetting.name); 4931 if (sequenceNumber != null) { 4932 changedPackages.remove(sequenceNumber); 4933 } 4934 changedPackages.put(mChangedPackagesSequenceNumber, pkgSetting.name); 4935 sequenceNumbers.put(pkgSetting.name, mChangedPackagesSequenceNumber); 4936 } 4937 mChangedPackagesSequenceNumber++; 4938 } 4939 4940 @Override 4941 public ChangedPackages getChangedPackages(int sequenceNumber, int userId) { 4942 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 4943 return null; 4944 } 4945 synchronized (mPackages) { 4946 if (sequenceNumber >= mChangedPackagesSequenceNumber) { 4947 return null; 4948 } 4949 final SparseArray<String> changedPackages = mChangedPackages.get(userId); 4950 if (changedPackages == null) { 4951 return null; 4952 } 4953 final List<String> packageNames = 4954 new ArrayList<>(mChangedPackagesSequenceNumber - sequenceNumber); 4955 for (int i = sequenceNumber; i < mChangedPackagesSequenceNumber; i++) { 4956 final String packageName = changedPackages.get(i); 4957 if (packageName != null) { 4958 packageNames.add(packageName); 4959 } 4960 } 4961 return packageNames.isEmpty() 4962 ? null : new ChangedPackages(mChangedPackagesSequenceNumber, packageNames); 4963 } 4964 } 4965 4966 @Override 4967 public @NonNull ParceledListSlice<FeatureInfo> getSystemAvailableFeatures() { 4968 // allow instant applications 4969 ArrayList<FeatureInfo> res; 4970 synchronized (mAvailableFeatures) { 4971 res = new ArrayList<>(mAvailableFeatures.size() + 1); 4972 res.addAll(mAvailableFeatures.values()); 4973 } 4974 final FeatureInfo fi = new FeatureInfo(); 4975 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 4976 FeatureInfo.GL_ES_VERSION_UNDEFINED); 4977 res.add(fi); 4978 4979 return new ParceledListSlice<>(res); 4980 } 4981 4982 @Override 4983 public boolean hasSystemFeature(String name, int version) { 4984 // allow instant applications 4985 synchronized (mAvailableFeatures) { 4986 final FeatureInfo feat = mAvailableFeatures.get(name); 4987 if (feat == null) { 4988 return false; 4989 } else { 4990 return feat.version >= version; 4991 } 4992 } 4993 } 4994 4995 @Override 4996 public int checkPermission(String permName, String pkgName, int userId) { 4997 return mPermissionManager.checkPermission(permName, pkgName, getCallingUid(), userId); 4998 } 4999 5000 @Override 5001 public int checkUidPermission(String permName, int uid) { 5002 return mPermissionManager.checkUidPermission(permName, uid, getCallingUid()); 5003 } 5004 5005 @Override 5006 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 5007 if (UserHandle.getCallingUserId() != userId) { 5008 mContext.enforceCallingPermission( 5009 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 5010 "isPermissionRevokedByPolicy for user " + userId); 5011 } 5012 5013 if (checkPermission(permission, packageName, userId) 5014 == PackageManager.PERMISSION_GRANTED) { 5015 return false; 5016 } 5017 5018 final int callingUid = Binder.getCallingUid(); 5019 if (getInstantAppPackageName(callingUid) != null) { 5020 if (!isCallerSameApp(packageName, callingUid)) { 5021 return false; 5022 } 5023 } else { 5024 if (isInstantApp(packageName, userId)) { 5025 return false; 5026 } 5027 } 5028 5029 final long identity = Binder.clearCallingIdentity(); 5030 try { 5031 final int flags = getPermissionFlags(permission, packageName, userId); 5032 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 5033 } finally { 5034 Binder.restoreCallingIdentity(identity); 5035 } 5036 } 5037 5038 @Override 5039 public String getPermissionControllerPackageName() { 5040 synchronized (mPackages) { 5041 return mRequiredInstallerPackage; 5042 } 5043 } 5044 5045 private boolean addDynamicPermission(PermissionInfo info, final boolean async) { 5046 return mPermissionManager.addDynamicPermission( 5047 info, async, getCallingUid(), new PermissionCallback() { 5048 @Override 5049 public void onPermissionChanged() { 5050 if (!async) { 5051 mSettings.writeLPr(); 5052 } else { 5053 scheduleWriteSettingsLocked(); 5054 } 5055 } 5056 }); 5057 } 5058 5059 @Override 5060 public boolean addPermission(PermissionInfo info) { 5061 synchronized (mPackages) { 5062 return addDynamicPermission(info, false); 5063 } 5064 } 5065 5066 @Override 5067 public boolean addPermissionAsync(PermissionInfo info) { 5068 synchronized (mPackages) { 5069 return addDynamicPermission(info, true); 5070 } 5071 } 5072 5073 @Override 5074 public void removePermission(String permName) { 5075 mPermissionManager.removeDynamicPermission(permName, getCallingUid(), mPermissionCallback); 5076 } 5077 5078 @Override 5079 public void grantRuntimePermission(String packageName, String permName, final int userId) { 5080 mPermissionManager.grantRuntimePermission(permName, packageName, false /*overridePolicy*/, 5081 getCallingUid(), userId, mPermissionCallback); 5082 } 5083 5084 @Override 5085 public void revokeRuntimePermission(String packageName, String permName, int userId) { 5086 mPermissionManager.revokeRuntimePermission(permName, packageName, false /*overridePolicy*/, 5087 getCallingUid(), userId, mPermissionCallback); 5088 } 5089 5090 @Override 5091 public void resetRuntimePermissions() { 5092 mContext.enforceCallingOrSelfPermission( 5093 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 5094 "revokeRuntimePermission"); 5095 5096 int callingUid = Binder.getCallingUid(); 5097 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 5098 mContext.enforceCallingOrSelfPermission( 5099 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 5100 "resetRuntimePermissions"); 5101 } 5102 5103 synchronized (mPackages) { 5104 mPermissionManager.updateAllPermissions( 5105 StorageManager.UUID_PRIVATE_INTERNAL, false, mPackages.values(), 5106 mPermissionCallback); 5107 for (int userId : UserManagerService.getInstance().getUserIds()) { 5108 final int packageCount = mPackages.size(); 5109 for (int i = 0; i < packageCount; i++) { 5110 PackageParser.Package pkg = mPackages.valueAt(i); 5111 if (!(pkg.mExtras instanceof PackageSetting)) { 5112 continue; 5113 } 5114 PackageSetting ps = (PackageSetting) pkg.mExtras; 5115 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 5116 } 5117 } 5118 } 5119 } 5120 5121 @Override 5122 public int getPermissionFlags(String permName, String packageName, int userId) { 5123 return mPermissionManager.getPermissionFlags( 5124 permName, packageName, getCallingUid(), userId); 5125 } 5126 5127 @Override 5128 public void updatePermissionFlags(String permName, String packageName, int flagMask, 5129 int flagValues, int userId) { 5130 mPermissionManager.updatePermissionFlags( 5131 permName, packageName, flagMask, flagValues, getCallingUid(), userId, 5132 mPermissionCallback); 5133 } 5134 5135 /** 5136 * Update the permission flags for all packages and runtime permissions of a user in order 5137 * to allow device or profile owner to remove POLICY_FIXED. 5138 */ 5139 @Override 5140 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 5141 synchronized (mPackages) { 5142 final boolean changed = mPermissionManager.updatePermissionFlagsForAllApps( 5143 flagMask, flagValues, getCallingUid(), userId, mPackages.values(), 5144 mPermissionCallback); 5145 if (changed) { 5146 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 5147 } 5148 } 5149 } 5150 5151 @Override 5152 public boolean shouldShowRequestPermissionRationale(String permissionName, 5153 String packageName, int userId) { 5154 if (UserHandle.getCallingUserId() != userId) { 5155 mContext.enforceCallingPermission( 5156 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 5157 "canShowRequestPermissionRationale for user " + userId); 5158 } 5159 5160 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 5161 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 5162 return false; 5163 } 5164 5165 if (checkPermission(permissionName, packageName, userId) 5166 == PackageManager.PERMISSION_GRANTED) { 5167 return false; 5168 } 5169 5170 final int flags; 5171 5172 final long identity = Binder.clearCallingIdentity(); 5173 try { 5174 flags = getPermissionFlags(permissionName, 5175 packageName, userId); 5176 } finally { 5177 Binder.restoreCallingIdentity(identity); 5178 } 5179 5180 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 5181 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 5182 | PackageManager.FLAG_PERMISSION_USER_FIXED; 5183 5184 if ((flags & fixedFlags) != 0) { 5185 return false; 5186 } 5187 5188 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 5189 } 5190 5191 @Override 5192 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 5193 mContext.enforceCallingOrSelfPermission( 5194 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 5195 "addOnPermissionsChangeListener"); 5196 5197 synchronized (mPackages) { 5198 mOnPermissionChangeListeners.addListenerLocked(listener); 5199 } 5200 } 5201 5202 @Override 5203 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 5204 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 5205 throw new SecurityException("Instant applications don't have access to this method"); 5206 } 5207 synchronized (mPackages) { 5208 mOnPermissionChangeListeners.removeListenerLocked(listener); 5209 } 5210 } 5211 5212 @Override 5213 public boolean isProtectedBroadcast(String actionName) { 5214 // allow instant applications 5215 synchronized (mProtectedBroadcasts) { 5216 if (mProtectedBroadcasts.contains(actionName)) { 5217 return true; 5218 } else if (actionName != null) { 5219 // TODO: remove these terrible hacks 5220 if (actionName.startsWith("android.net.netmon.lingerExpired") 5221 || actionName.startsWith("com.android.server.sip.SipWakeupTimer") 5222 || actionName.startsWith("com.android.internal.telephony.data-reconnect") 5223 || actionName.startsWith("android.net.netmon.launchCaptivePortalApp")) { 5224 return true; 5225 } 5226 } 5227 } 5228 return false; 5229 } 5230 5231 @Override 5232 public int checkSignatures(String pkg1, String pkg2) { 5233 synchronized (mPackages) { 5234 final PackageParser.Package p1 = mPackages.get(pkg1); 5235 final PackageParser.Package p2 = mPackages.get(pkg2); 5236 if (p1 == null || p1.mExtras == null 5237 || p2 == null || p2.mExtras == null) { 5238 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5239 } 5240 final int callingUid = Binder.getCallingUid(); 5241 final int callingUserId = UserHandle.getUserId(callingUid); 5242 final PackageSetting ps1 = (PackageSetting) p1.mExtras; 5243 final PackageSetting ps2 = (PackageSetting) p2.mExtras; 5244 if (filterAppAccessLPr(ps1, callingUid, callingUserId) 5245 || filterAppAccessLPr(ps2, callingUid, callingUserId)) { 5246 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5247 } 5248 return compareSignatures(p1.mSignatures, p2.mSignatures); 5249 } 5250 } 5251 5252 @Override 5253 public int checkUidSignatures(int uid1, int uid2) { 5254 final int callingUid = Binder.getCallingUid(); 5255 final int callingUserId = UserHandle.getUserId(callingUid); 5256 final boolean isCallerInstantApp = getInstantAppPackageName(callingUid) != null; 5257 // Map to base uids. 5258 uid1 = UserHandle.getAppId(uid1); 5259 uid2 = UserHandle.getAppId(uid2); 5260 // reader 5261 synchronized (mPackages) { 5262 Signature[] s1; 5263 Signature[] s2; 5264 Object obj = mSettings.getUserIdLPr(uid1); 5265 if (obj != null) { 5266 if (obj instanceof SharedUserSetting) { 5267 if (isCallerInstantApp) { 5268 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5269 } 5270 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 5271 } else if (obj instanceof PackageSetting) { 5272 final PackageSetting ps = (PackageSetting) obj; 5273 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 5274 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5275 } 5276 s1 = ps.signatures.mSignatures; 5277 } else { 5278 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5279 } 5280 } else { 5281 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5282 } 5283 obj = mSettings.getUserIdLPr(uid2); 5284 if (obj != null) { 5285 if (obj instanceof SharedUserSetting) { 5286 if (isCallerInstantApp) { 5287 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5288 } 5289 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 5290 } else if (obj instanceof PackageSetting) { 5291 final PackageSetting ps = (PackageSetting) obj; 5292 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 5293 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5294 } 5295 s2 = ps.signatures.mSignatures; 5296 } else { 5297 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5298 } 5299 } else { 5300 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 5301 } 5302 return compareSignatures(s1, s2); 5303 } 5304 } 5305 5306 /** 5307 * This method should typically only be used when granting or revoking 5308 * permissions, since the app may immediately restart after this call. 5309 * <p> 5310 * If you're doing surgery on app code/data, use {@link PackageFreezer} to 5311 * guard your work against the app being relaunched. 5312 */ 5313 private void killUid(int appId, int userId, String reason) { 5314 final long identity = Binder.clearCallingIdentity(); 5315 try { 5316 IActivityManager am = ActivityManager.getService(); 5317 if (am != null) { 5318 try { 5319 am.killUid(appId, userId, reason); 5320 } catch (RemoteException e) { 5321 /* ignore - same process */ 5322 } 5323 } 5324 } finally { 5325 Binder.restoreCallingIdentity(identity); 5326 } 5327 } 5328 5329 /** 5330 * If the database version for this type of package (internal storage or 5331 * external storage) is less than the version where package signatures 5332 * were updated, return true. 5333 */ 5334 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 5335 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 5336 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 5337 } 5338 5339 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 5340 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 5341 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 5342 } 5343 5344 @Override 5345 public List<String> getAllPackages() { 5346 final int callingUid = Binder.getCallingUid(); 5347 final int callingUserId = UserHandle.getUserId(callingUid); 5348 synchronized (mPackages) { 5349 if (canViewInstantApps(callingUid, callingUserId)) { 5350 return new ArrayList<String>(mPackages.keySet()); 5351 } 5352 final String instantAppPkgName = getInstantAppPackageName(callingUid); 5353 final List<String> result = new ArrayList<>(); 5354 if (instantAppPkgName != null) { 5355 // caller is an instant application; filter unexposed applications 5356 for (PackageParser.Package pkg : mPackages.values()) { 5357 if (!pkg.visibleToInstantApps) { 5358 continue; 5359 } 5360 result.add(pkg.packageName); 5361 } 5362 } else { 5363 // caller is a normal application; filter instant applications 5364 for (PackageParser.Package pkg : mPackages.values()) { 5365 final PackageSetting ps = 5366 pkg.mExtras != null ? (PackageSetting) pkg.mExtras : null; 5367 if (ps != null 5368 && ps.getInstantApp(callingUserId) 5369 && !mInstantAppRegistry.isInstantAccessGranted( 5370 callingUserId, UserHandle.getAppId(callingUid), ps.appId)) { 5371 continue; 5372 } 5373 result.add(pkg.packageName); 5374 } 5375 } 5376 return result; 5377 } 5378 } 5379 5380 @Override 5381 public String[] getPackagesForUid(int uid) { 5382 final int callingUid = Binder.getCallingUid(); 5383 final boolean isCallerInstantApp = getInstantAppPackageName(callingUid) != null; 5384 final int userId = UserHandle.getUserId(uid); 5385 uid = UserHandle.getAppId(uid); 5386 // reader 5387 synchronized (mPackages) { 5388 Object obj = mSettings.getUserIdLPr(uid); 5389 if (obj instanceof SharedUserSetting) { 5390 if (isCallerInstantApp) { 5391 return null; 5392 } 5393 final SharedUserSetting sus = (SharedUserSetting) obj; 5394 final int N = sus.packages.size(); 5395 String[] res = new String[N]; 5396 final Iterator<PackageSetting> it = sus.packages.iterator(); 5397 int i = 0; 5398 while (it.hasNext()) { 5399 PackageSetting ps = it.next(); 5400 if (ps.getInstalled(userId)) { 5401 res[i++] = ps.name; 5402 } else { 5403 res = ArrayUtils.removeElement(String.class, res, res[i]); 5404 } 5405 } 5406 return res; 5407 } else if (obj instanceof PackageSetting) { 5408 final PackageSetting ps = (PackageSetting) obj; 5409 if (ps.getInstalled(userId) && !filterAppAccessLPr(ps, callingUid, userId)) { 5410 return new String[]{ps.name}; 5411 } 5412 } 5413 } 5414 return null; 5415 } 5416 5417 @Override 5418 public String getNameForUid(int uid) { 5419 final int callingUid = Binder.getCallingUid(); 5420 if (getInstantAppPackageName(callingUid) != null) { 5421 return null; 5422 } 5423 synchronized (mPackages) { 5424 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5425 if (obj instanceof SharedUserSetting) { 5426 final SharedUserSetting sus = (SharedUserSetting) obj; 5427 return sus.name + ":" + sus.userId; 5428 } else if (obj instanceof PackageSetting) { 5429 final PackageSetting ps = (PackageSetting) obj; 5430 if (filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 5431 return null; 5432 } 5433 return ps.name; 5434 } 5435 return null; 5436 } 5437 } 5438 5439 @Override 5440 public String[] getNamesForUids(int[] uids) { 5441 if (uids == null || uids.length == 0) { 5442 return null; 5443 } 5444 final int callingUid = Binder.getCallingUid(); 5445 if (getInstantAppPackageName(callingUid) != null) { 5446 return null; 5447 } 5448 final String[] names = new String[uids.length]; 5449 synchronized (mPackages) { 5450 for (int i = uids.length - 1; i >= 0; i--) { 5451 final int uid = uids[i]; 5452 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5453 if (obj instanceof SharedUserSetting) { 5454 final SharedUserSetting sus = (SharedUserSetting) obj; 5455 names[i] = "shared:" + sus.name; 5456 } else if (obj instanceof PackageSetting) { 5457 final PackageSetting ps = (PackageSetting) obj; 5458 if (filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 5459 names[i] = null; 5460 } else { 5461 names[i] = ps.name; 5462 } 5463 } else { 5464 names[i] = null; 5465 } 5466 } 5467 } 5468 return names; 5469 } 5470 5471 @Override 5472 public int getUidForSharedUser(String sharedUserName) { 5473 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 5474 return -1; 5475 } 5476 if (sharedUserName == null) { 5477 return -1; 5478 } 5479 // reader 5480 synchronized (mPackages) { 5481 SharedUserSetting suid; 5482 try { 5483 suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 5484 if (suid != null) { 5485 return suid.userId; 5486 } 5487 } catch (PackageManagerException ignore) { 5488 // can't happen, but, still need to catch it 5489 } 5490 return -1; 5491 } 5492 } 5493 5494 @Override 5495 public int getFlagsForUid(int uid) { 5496 final int callingUid = Binder.getCallingUid(); 5497 if (getInstantAppPackageName(callingUid) != null) { 5498 return 0; 5499 } 5500 synchronized (mPackages) { 5501 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5502 if (obj instanceof SharedUserSetting) { 5503 final SharedUserSetting sus = (SharedUserSetting) obj; 5504 return sus.pkgFlags; 5505 } else if (obj instanceof PackageSetting) { 5506 final PackageSetting ps = (PackageSetting) obj; 5507 if (filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 5508 return 0; 5509 } 5510 return ps.pkgFlags; 5511 } 5512 } 5513 return 0; 5514 } 5515 5516 @Override 5517 public int getPrivateFlagsForUid(int uid) { 5518 final int callingUid = Binder.getCallingUid(); 5519 if (getInstantAppPackageName(callingUid) != null) { 5520 return 0; 5521 } 5522 synchronized (mPackages) { 5523 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 5524 if (obj instanceof SharedUserSetting) { 5525 final SharedUserSetting sus = (SharedUserSetting) obj; 5526 return sus.pkgPrivateFlags; 5527 } else if (obj instanceof PackageSetting) { 5528 final PackageSetting ps = (PackageSetting) obj; 5529 if (filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 5530 return 0; 5531 } 5532 return ps.pkgPrivateFlags; 5533 } 5534 } 5535 return 0; 5536 } 5537 5538 @Override 5539 public boolean isUidPrivileged(int uid) { 5540 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 5541 return false; 5542 } 5543 uid = UserHandle.getAppId(uid); 5544 // reader 5545 synchronized (mPackages) { 5546 Object obj = mSettings.getUserIdLPr(uid); 5547 if (obj instanceof SharedUserSetting) { 5548 final SharedUserSetting sus = (SharedUserSetting) obj; 5549 final Iterator<PackageSetting> it = sus.packages.iterator(); 5550 while (it.hasNext()) { 5551 if (it.next().isPrivileged()) { 5552 return true; 5553 } 5554 } 5555 } else if (obj instanceof PackageSetting) { 5556 final PackageSetting ps = (PackageSetting) obj; 5557 return ps.isPrivileged(); 5558 } 5559 } 5560 return false; 5561 } 5562 5563 @Override 5564 public String[] getAppOpPermissionPackages(String permName) { 5565 return mPermissionManager.getAppOpPermissionPackages(permName); 5566 } 5567 5568 @Override 5569 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 5570 int flags, int userId) { 5571 return resolveIntentInternal( 5572 intent, resolvedType, flags, userId, false /*resolveForStart*/); 5573 } 5574 5575 /** 5576 * Normally instant apps can only be resolved when they're visible to the caller. 5577 * However, if {@code resolveForStart} is {@code true}, all instant apps are visible 5578 * since we need to allow the system to start any installed application. 5579 */ 5580 private ResolveInfo resolveIntentInternal(Intent intent, String resolvedType, 5581 int flags, int userId, boolean resolveForStart) { 5582 try { 5583 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveIntent"); 5584 5585 if (!sUserManager.exists(userId)) return null; 5586 final int callingUid = Binder.getCallingUid(); 5587 flags = updateFlagsForResolve(flags, userId, intent, callingUid, resolveForStart); 5588 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 5589 false /*requireFullPermission*/, false /*checkShell*/, "resolve intent"); 5590 5591 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 5592 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, 5593 flags, callingUid, userId, resolveForStart, true /*allowDynamicSplits*/); 5594 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5595 5596 final ResolveInfo bestChoice = 5597 chooseBestActivity(intent, resolvedType, flags, query, userId); 5598 return bestChoice; 5599 } finally { 5600 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 5601 } 5602 } 5603 5604 @Override 5605 public ResolveInfo findPersistentPreferredActivity(Intent intent, int userId) { 5606 if (!UserHandle.isSameApp(Binder.getCallingUid(), Process.SYSTEM_UID)) { 5607 throw new SecurityException( 5608 "findPersistentPreferredActivity can only be run by the system"); 5609 } 5610 if (!sUserManager.exists(userId)) { 5611 return null; 5612 } 5613 final int callingUid = Binder.getCallingUid(); 5614 intent = updateIntentForResolve(intent); 5615 final String resolvedType = intent.resolveTypeIfNeeded(mContext.getContentResolver()); 5616 final int flags = updateFlagsForResolve( 5617 0, userId, intent, callingUid, false /*includeInstantApps*/); 5618 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5619 userId); 5620 synchronized (mPackages) { 5621 return findPersistentPreferredActivityLP(intent, resolvedType, flags, query, false, 5622 userId); 5623 } 5624 } 5625 5626 @Override 5627 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 5628 IntentFilter filter, int match, ComponentName activity) { 5629 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 5630 return; 5631 } 5632 final int userId = UserHandle.getCallingUserId(); 5633 if (DEBUG_PREFERRED) { 5634 Log.v(TAG, "setLastChosenActivity intent=" + intent 5635 + " resolvedType=" + resolvedType 5636 + " flags=" + flags 5637 + " filter=" + filter 5638 + " match=" + match 5639 + " activity=" + activity); 5640 filter.dump(new PrintStreamPrinter(System.out), " "); 5641 } 5642 intent.setComponent(null); 5643 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5644 userId); 5645 // Find any earlier preferred or last chosen entries and nuke them 5646 findPreferredActivity(intent, resolvedType, 5647 flags, query, 0, false, true, false, userId); 5648 // Add the new activity as the last chosen for this filter 5649 addPreferredActivityInternal(filter, match, null, activity, false, userId, 5650 "Setting last chosen"); 5651 } 5652 5653 @Override 5654 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 5655 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 5656 return null; 5657 } 5658 final int userId = UserHandle.getCallingUserId(); 5659 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 5660 final List<ResolveInfo> query = queryIntentActivitiesInternal(intent, resolvedType, flags, 5661 userId); 5662 return findPreferredActivity(intent, resolvedType, flags, query, 0, 5663 false, false, false, userId); 5664 } 5665 5666 /** 5667 * Returns whether or not instant apps have been disabled remotely. 5668 */ 5669 private boolean isEphemeralDisabled() { 5670 return mEphemeralAppsDisabled; 5671 } 5672 5673 private boolean isInstantAppAllowed( 5674 Intent intent, List<ResolveInfo> resolvedActivities, int userId, 5675 boolean skipPackageCheck) { 5676 if (mInstantAppResolverConnection == null) { 5677 return false; 5678 } 5679 if (mInstantAppInstallerActivity == null) { 5680 return false; 5681 } 5682 if (intent.getComponent() != null) { 5683 return false; 5684 } 5685 if ((intent.getFlags() & Intent.FLAG_IGNORE_EPHEMERAL) != 0) { 5686 return false; 5687 } 5688 if (!skipPackageCheck && intent.getPackage() != null) { 5689 return false; 5690 } 5691 final boolean isWebUri = hasWebURI(intent); 5692 if (!isWebUri || intent.getData().getHost() == null) { 5693 return false; 5694 } 5695 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 5696 // Or if there's already an ephemeral app installed that handles the action 5697 synchronized (mPackages) { 5698 final int count = (resolvedActivities == null ? 0 : resolvedActivities.size()); 5699 for (int n = 0; n < count; n++) { 5700 final ResolveInfo info = resolvedActivities.get(n); 5701 final String packageName = info.activityInfo.packageName; 5702 final PackageSetting ps = mSettings.mPackages.get(packageName); 5703 if (ps != null) { 5704 // only check domain verification status if the app is not a browser 5705 if (!info.handleAllWebDataURI) { 5706 // Try to get the status from User settings first 5707 final long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5708 final int status = (int) (packedStatus >> 32); 5709 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 5710 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5711 if (DEBUG_EPHEMERAL) { 5712 Slog.v(TAG, "DENY instant app;" 5713 + " pkg: " + packageName + ", status: " + status); 5714 } 5715 return false; 5716 } 5717 } 5718 if (ps.getInstantApp(userId)) { 5719 if (DEBUG_EPHEMERAL) { 5720 Slog.v(TAG, "DENY instant app installed;" 5721 + " pkg: " + packageName); 5722 } 5723 return false; 5724 } 5725 } 5726 } 5727 } 5728 // We've exhausted all ways to deny ephemeral application; let the system look for them. 5729 return true; 5730 } 5731 5732 private void requestInstantAppResolutionPhaseTwo(AuxiliaryResolveInfo responseObj, 5733 Intent origIntent, String resolvedType, String callingPackage, 5734 Bundle verificationBundle, int userId) { 5735 final Message msg = mHandler.obtainMessage(INSTANT_APP_RESOLUTION_PHASE_TWO, 5736 new InstantAppRequest(responseObj, origIntent, resolvedType, 5737 callingPackage, userId, verificationBundle, false /*resolveForStart*/)); 5738 mHandler.sendMessage(msg); 5739 } 5740 5741 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 5742 int flags, List<ResolveInfo> query, int userId) { 5743 if (query != null) { 5744 final int N = query.size(); 5745 if (N == 1) { 5746 return query.get(0); 5747 } else if (N > 1) { 5748 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 5749 // If there is more than one activity with the same priority, 5750 // then let the user decide between them. 5751 ResolveInfo r0 = query.get(0); 5752 ResolveInfo r1 = query.get(1); 5753 if (DEBUG_INTENT_MATCHING || debug) { 5754 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 5755 + r1.activityInfo.name + "=" + r1.priority); 5756 } 5757 // If the first activity has a higher priority, or a different 5758 // default, then it is always desirable to pick it. 5759 if (r0.priority != r1.priority 5760 || r0.preferredOrder != r1.preferredOrder 5761 || r0.isDefault != r1.isDefault) { 5762 return query.get(0); 5763 } 5764 // If we have saved a preference for a preferred activity for 5765 // this Intent, use that. 5766 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 5767 flags, query, r0.priority, true, false, debug, userId); 5768 if (ri != null) { 5769 return ri; 5770 } 5771 // If we have an ephemeral app, use it 5772 for (int i = 0; i < N; i++) { 5773 ri = query.get(i); 5774 if (ri.activityInfo.applicationInfo.isInstantApp()) { 5775 final String packageName = ri.activityInfo.packageName; 5776 final PackageSetting ps = mSettings.mPackages.get(packageName); 5777 final long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5778 final int status = (int)(packedStatus >> 32); 5779 if (status != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5780 return ri; 5781 } 5782 } 5783 } 5784 ri = new ResolveInfo(mResolveInfo); 5785 ri.activityInfo = new ActivityInfo(ri.activityInfo); 5786 ri.activityInfo.labelRes = ResolverActivity.getLabelRes(intent.getAction()); 5787 // If all of the options come from the same package, show the application's 5788 // label and icon instead of the generic resolver's. 5789 // Some calls like Intent.resolveActivityInfo query the ResolveInfo from here 5790 // and then throw away the ResolveInfo itself, meaning that the caller loses 5791 // the resolvePackageName. Therefore the activityInfo.labelRes above provides 5792 // a fallback for this case; we only set the target package's resources on 5793 // the ResolveInfo, not the ActivityInfo. 5794 final String intentPackage = intent.getPackage(); 5795 if (!TextUtils.isEmpty(intentPackage) && allHavePackage(query, intentPackage)) { 5796 final ApplicationInfo appi = query.get(0).activityInfo.applicationInfo; 5797 ri.resolvePackageName = intentPackage; 5798 if (userNeedsBadging(userId)) { 5799 ri.noResourceId = true; 5800 } else { 5801 ri.icon = appi.icon; 5802 } 5803 ri.iconResourceId = appi.icon; 5804 ri.labelRes = appi.labelRes; 5805 } 5806 ri.activityInfo.applicationInfo = new ApplicationInfo( 5807 ri.activityInfo.applicationInfo); 5808 if (userId != 0) { 5809 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 5810 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 5811 } 5812 // Make sure that the resolver is displayable in car mode 5813 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 5814 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 5815 return ri; 5816 } 5817 } 5818 return null; 5819 } 5820 5821 /** 5822 * Return true if the given list is not empty and all of its contents have 5823 * an activityInfo with the given package name. 5824 */ 5825 private boolean allHavePackage(List<ResolveInfo> list, String packageName) { 5826 if (ArrayUtils.isEmpty(list)) { 5827 return false; 5828 } 5829 for (int i = 0, N = list.size(); i < N; i++) { 5830 final ResolveInfo ri = list.get(i); 5831 final ActivityInfo ai = ri != null ? ri.activityInfo : null; 5832 if (ai == null || !packageName.equals(ai.packageName)) { 5833 return false; 5834 } 5835 } 5836 return true; 5837 } 5838 5839 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 5840 int flags, List<ResolveInfo> query, boolean debug, int userId) { 5841 final int N = query.size(); 5842 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 5843 .get(userId); 5844 // Get the list of persistent preferred activities that handle the intent 5845 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 5846 List<PersistentPreferredActivity> pprefs = ppir != null 5847 ? ppir.queryIntent(intent, resolvedType, 5848 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 5849 userId) 5850 : null; 5851 if (pprefs != null && pprefs.size() > 0) { 5852 final int M = pprefs.size(); 5853 for (int i=0; i<M; i++) { 5854 final PersistentPreferredActivity ppa = pprefs.get(i); 5855 if (DEBUG_PREFERRED || debug) { 5856 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 5857 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 5858 + "\n component=" + ppa.mComponent); 5859 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5860 } 5861 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 5862 flags | MATCH_DISABLED_COMPONENTS, userId); 5863 if (DEBUG_PREFERRED || debug) { 5864 Slog.v(TAG, "Found persistent preferred activity:"); 5865 if (ai != null) { 5866 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5867 } else { 5868 Slog.v(TAG, " null"); 5869 } 5870 } 5871 if (ai == null) { 5872 // This previously registered persistent preferred activity 5873 // component is no longer known. Ignore it and do NOT remove it. 5874 continue; 5875 } 5876 for (int j=0; j<N; j++) { 5877 final ResolveInfo ri = query.get(j); 5878 if (!ri.activityInfo.applicationInfo.packageName 5879 .equals(ai.applicationInfo.packageName)) { 5880 continue; 5881 } 5882 if (!ri.activityInfo.name.equals(ai.name)) { 5883 continue; 5884 } 5885 // Found a persistent preference that can handle the intent. 5886 if (DEBUG_PREFERRED || debug) { 5887 Slog.v(TAG, "Returning persistent preferred activity: " + 5888 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 5889 } 5890 return ri; 5891 } 5892 } 5893 } 5894 return null; 5895 } 5896 5897 // TODO: handle preferred activities missing while user has amnesia 5898 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 5899 List<ResolveInfo> query, int priority, boolean always, 5900 boolean removeMatches, boolean debug, int userId) { 5901 if (!sUserManager.exists(userId)) return null; 5902 final int callingUid = Binder.getCallingUid(); 5903 flags = updateFlagsForResolve( 5904 flags, userId, intent, callingUid, false /*includeInstantApps*/); 5905 intent = updateIntentForResolve(intent); 5906 // writer 5907 synchronized (mPackages) { 5908 // Try to find a matching persistent preferred activity. 5909 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 5910 debug, userId); 5911 5912 // If a persistent preferred activity matched, use it. 5913 if (pri != null) { 5914 return pri; 5915 } 5916 5917 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 5918 // Get the list of preferred activities that handle the intent 5919 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 5920 List<PreferredActivity> prefs = pir != null 5921 ? pir.queryIntent(intent, resolvedType, 5922 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 5923 userId) 5924 : null; 5925 if (prefs != null && prefs.size() > 0) { 5926 boolean changed = false; 5927 try { 5928 // First figure out how good the original match set is. 5929 // We will only allow preferred activities that came 5930 // from the same match quality. 5931 int match = 0; 5932 5933 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 5934 5935 final int N = query.size(); 5936 for (int j=0; j<N; j++) { 5937 final ResolveInfo ri = query.get(j); 5938 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 5939 + ": 0x" + Integer.toHexString(match)); 5940 if (ri.match > match) { 5941 match = ri.match; 5942 } 5943 } 5944 5945 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 5946 + Integer.toHexString(match)); 5947 5948 match &= IntentFilter.MATCH_CATEGORY_MASK; 5949 final int M = prefs.size(); 5950 for (int i=0; i<M; i++) { 5951 final PreferredActivity pa = prefs.get(i); 5952 if (DEBUG_PREFERRED || debug) { 5953 Slog.v(TAG, "Checking PreferredActivity ds=" 5954 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 5955 + "\n component=" + pa.mPref.mComponent); 5956 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5957 } 5958 if (pa.mPref.mMatch != match) { 5959 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 5960 + Integer.toHexString(pa.mPref.mMatch)); 5961 continue; 5962 } 5963 // If it's not an "always" type preferred activity and that's what we're 5964 // looking for, skip it. 5965 if (always && !pa.mPref.mAlways) { 5966 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 5967 continue; 5968 } 5969 final ActivityInfo ai = getActivityInfo( 5970 pa.mPref.mComponent, flags | MATCH_DISABLED_COMPONENTS 5971 | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE, 5972 userId); 5973 if (DEBUG_PREFERRED || debug) { 5974 Slog.v(TAG, "Found preferred activity:"); 5975 if (ai != null) { 5976 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 5977 } else { 5978 Slog.v(TAG, " null"); 5979 } 5980 } 5981 if (ai == null) { 5982 // This previously registered preferred activity 5983 // component is no longer known. Most likely an update 5984 // to the app was installed and in the new version this 5985 // component no longer exists. Clean it up by removing 5986 // it from the preferred activities list, and skip it. 5987 Slog.w(TAG, "Removing dangling preferred activity: " 5988 + pa.mPref.mComponent); 5989 pir.removeFilter(pa); 5990 changed = true; 5991 continue; 5992 } 5993 for (int j=0; j<N; j++) { 5994 final ResolveInfo ri = query.get(j); 5995 if (!ri.activityInfo.applicationInfo.packageName 5996 .equals(ai.applicationInfo.packageName)) { 5997 continue; 5998 } 5999 if (!ri.activityInfo.name.equals(ai.name)) { 6000 continue; 6001 } 6002 6003 if (removeMatches) { 6004 pir.removeFilter(pa); 6005 changed = true; 6006 if (DEBUG_PREFERRED) { 6007 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 6008 } 6009 break; 6010 } 6011 6012 // Okay we found a previously set preferred or last chosen app. 6013 // If the result set is different from when this 6014 // was created, and is not a subset of the preferred set, we need to 6015 // clear it and re-ask the user their preference, if we're looking for 6016 // an "always" type entry. 6017 if (always && !pa.mPref.sameSet(query)) { 6018 if (pa.mPref.isSuperset(query)) { 6019 // some components of the set are no longer present in 6020 // the query, but the preferred activity can still be reused 6021 if (DEBUG_PREFERRED) { 6022 Slog.i(TAG, "Result set changed, but PreferredActivity is" 6023 + " still valid as only non-preferred components" 6024 + " were removed for " + intent + " type " 6025 + resolvedType); 6026 } 6027 // remove obsolete components and re-add the up-to-date filter 6028 PreferredActivity freshPa = new PreferredActivity(pa, 6029 pa.mPref.mMatch, 6030 pa.mPref.discardObsoleteComponents(query), 6031 pa.mPref.mComponent, 6032 pa.mPref.mAlways); 6033 pir.removeFilter(pa); 6034 pir.addFilter(freshPa); 6035 changed = true; 6036 } else { 6037 Slog.i(TAG, 6038 "Result set changed, dropping preferred activity for " 6039 + intent + " type " + resolvedType); 6040 if (DEBUG_PREFERRED) { 6041 Slog.v(TAG, "Removing preferred activity since set changed " 6042 + pa.mPref.mComponent); 6043 } 6044 pir.removeFilter(pa); 6045 // Re-add the filter as a "last chosen" entry (!always) 6046 PreferredActivity lastChosen = new PreferredActivity( 6047 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 6048 pir.addFilter(lastChosen); 6049 changed = true; 6050 return null; 6051 } 6052 } 6053 6054 // Yay! Either the set matched or we're looking for the last chosen 6055 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 6056 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 6057 return ri; 6058 } 6059 } 6060 } finally { 6061 if (changed) { 6062 if (DEBUG_PREFERRED) { 6063 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 6064 } 6065 scheduleWritePackageRestrictionsLocked(userId); 6066 } 6067 } 6068 } 6069 } 6070 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 6071 return null; 6072 } 6073 6074 /* 6075 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 6076 */ 6077 @Override 6078 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 6079 int targetUserId) { 6080 mContext.enforceCallingOrSelfPermission( 6081 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 6082 List<CrossProfileIntentFilter> matches = 6083 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 6084 if (matches != null) { 6085 int size = matches.size(); 6086 for (int i = 0; i < size; i++) { 6087 if (matches.get(i).getTargetUserId() == targetUserId) return true; 6088 } 6089 } 6090 if (hasWebURI(intent)) { 6091 // cross-profile app linking works only towards the parent. 6092 final int callingUid = Binder.getCallingUid(); 6093 final UserInfo parent = getProfileParent(sourceUserId); 6094 synchronized(mPackages) { 6095 int flags = updateFlagsForResolve(0, parent.id, intent, callingUid, 6096 false /*includeInstantApps*/); 6097 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 6098 intent, resolvedType, flags, sourceUserId, parent.id); 6099 return xpDomainInfo != null; 6100 } 6101 } 6102 return false; 6103 } 6104 6105 private UserInfo getProfileParent(int userId) { 6106 final long identity = Binder.clearCallingIdentity(); 6107 try { 6108 return sUserManager.getProfileParent(userId); 6109 } finally { 6110 Binder.restoreCallingIdentity(identity); 6111 } 6112 } 6113 6114 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 6115 String resolvedType, int userId) { 6116 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 6117 if (resolver != null) { 6118 return resolver.queryIntent(intent, resolvedType, false /*defaultOnly*/, userId); 6119 } 6120 return null; 6121 } 6122 6123 @Override 6124 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivities(Intent intent, 6125 String resolvedType, int flags, int userId) { 6126 try { 6127 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "queryIntentActivities"); 6128 6129 return new ParceledListSlice<>( 6130 queryIntentActivitiesInternal(intent, resolvedType, flags, userId)); 6131 } finally { 6132 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6133 } 6134 } 6135 6136 /** 6137 * Returns the package name of the calling Uid if it's an instant app. If it isn't 6138 * instant, returns {@code null}. 6139 */ 6140 private String getInstantAppPackageName(int callingUid) { 6141 synchronized (mPackages) { 6142 // If the caller is an isolated app use the owner's uid for the lookup. 6143 if (Process.isIsolated(callingUid)) { 6144 callingUid = mIsolatedOwners.get(callingUid); 6145 } 6146 final int appId = UserHandle.getAppId(callingUid); 6147 final Object obj = mSettings.getUserIdLPr(appId); 6148 if (obj instanceof PackageSetting) { 6149 final PackageSetting ps = (PackageSetting) obj; 6150 final boolean isInstantApp = ps.getInstantApp(UserHandle.getUserId(callingUid)); 6151 return isInstantApp ? ps.pkg.packageName : null; 6152 } 6153 } 6154 return null; 6155 } 6156 6157 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 6158 String resolvedType, int flags, int userId) { 6159 return queryIntentActivitiesInternal( 6160 intent, resolvedType, flags, Binder.getCallingUid(), userId, 6161 false /*resolveForStart*/, true /*allowDynamicSplits*/); 6162 } 6163 6164 private @NonNull List<ResolveInfo> queryIntentActivitiesInternal(Intent intent, 6165 String resolvedType, int flags, int filterCallingUid, int userId, 6166 boolean resolveForStart, boolean allowDynamicSplits) { 6167 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6168 final String instantAppPkgName = getInstantAppPackageName(filterCallingUid); 6169 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 6170 false /* requireFullPermission */, false /* checkShell */, 6171 "query intent activities"); 6172 final String pkgName = intent.getPackage(); 6173 ComponentName comp = intent.getComponent(); 6174 if (comp == null) { 6175 if (intent.getSelector() != null) { 6176 intent = intent.getSelector(); 6177 comp = intent.getComponent(); 6178 } 6179 } 6180 6181 flags = updateFlagsForResolve(flags, userId, intent, filterCallingUid, resolveForStart, 6182 comp != null || pkgName != null /*onlyExposedExplicitly*/); 6183 if (comp != null) { 6184 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 6185 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 6186 if (ai != null) { 6187 // When specifying an explicit component, we prevent the activity from being 6188 // used when either 1) the calling package is normal and the activity is within 6189 // an ephemeral application or 2) the calling package is ephemeral and the 6190 // activity is not visible to ephemeral applications. 6191 final boolean matchInstantApp = 6192 (flags & PackageManager.MATCH_INSTANT) != 0; 6193 final boolean matchVisibleToInstantAppOnly = 6194 (flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 6195 final boolean matchExplicitlyVisibleOnly = 6196 (flags & PackageManager.MATCH_EXPLICITLY_VISIBLE_ONLY) != 0; 6197 final boolean isCallerInstantApp = 6198 instantAppPkgName != null; 6199 final boolean isTargetSameInstantApp = 6200 comp.getPackageName().equals(instantAppPkgName); 6201 final boolean isTargetInstantApp = 6202 (ai.applicationInfo.privateFlags 6203 & ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0; 6204 final boolean isTargetVisibleToInstantApp = 6205 (ai.flags & ActivityInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0; 6206 final boolean isTargetExplicitlyVisibleToInstantApp = 6207 isTargetVisibleToInstantApp 6208 && (ai.flags & ActivityInfo.FLAG_IMPLICITLY_VISIBLE_TO_INSTANT_APP) == 0; 6209 final boolean isTargetHiddenFromInstantApp = 6210 !isTargetVisibleToInstantApp 6211 || (matchExplicitlyVisibleOnly && !isTargetExplicitlyVisibleToInstantApp); 6212 final boolean blockResolution = 6213 !isTargetSameInstantApp 6214 && ((!matchInstantApp && !isCallerInstantApp && isTargetInstantApp) 6215 || (matchVisibleToInstantAppOnly && isCallerInstantApp 6216 && isTargetHiddenFromInstantApp)); 6217 if (!blockResolution) { 6218 final ResolveInfo ri = new ResolveInfo(); 6219 ri.activityInfo = ai; 6220 list.add(ri); 6221 } 6222 } 6223 return applyPostResolutionFilter( 6224 list, instantAppPkgName, allowDynamicSplits, filterCallingUid, userId); 6225 } 6226 6227 // reader 6228 boolean sortResult = false; 6229 boolean addEphemeral = false; 6230 List<ResolveInfo> result; 6231 final boolean ephemeralDisabled = isEphemeralDisabled(); 6232 synchronized (mPackages) { 6233 if (pkgName == null) { 6234 List<CrossProfileIntentFilter> matchingFilters = 6235 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 6236 // Check for results that need to skip the current profile. 6237 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 6238 resolvedType, flags, userId); 6239 if (xpResolveInfo != null) { 6240 List<ResolveInfo> xpResult = new ArrayList<ResolveInfo>(1); 6241 xpResult.add(xpResolveInfo); 6242 return applyPostResolutionFilter( 6243 filterIfNotSystemUser(xpResult, userId), instantAppPkgName, 6244 allowDynamicSplits, filterCallingUid, userId); 6245 } 6246 6247 // Check for results in the current profile. 6248 result = filterIfNotSystemUser(mActivities.queryIntent( 6249 intent, resolvedType, flags, userId), userId); 6250 addEphemeral = !ephemeralDisabled 6251 && isInstantAppAllowed(intent, result, userId, false /*skipPackageCheck*/); 6252 // Check for cross profile results. 6253 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 6254 xpResolveInfo = queryCrossProfileIntents( 6255 matchingFilters, intent, resolvedType, flags, userId, 6256 hasNonNegativePriorityResult); 6257 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 6258 boolean isVisibleToUser = filterIfNotSystemUser( 6259 Collections.singletonList(xpResolveInfo), userId).size() > 0; 6260 if (isVisibleToUser) { 6261 result.add(xpResolveInfo); 6262 sortResult = true; 6263 } 6264 } 6265 if (hasWebURI(intent)) { 6266 CrossProfileDomainInfo xpDomainInfo = null; 6267 final UserInfo parent = getProfileParent(userId); 6268 if (parent != null) { 6269 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 6270 flags, userId, parent.id); 6271 } 6272 if (xpDomainInfo != null) { 6273 if (xpResolveInfo != null) { 6274 // If we didn't remove it, the cross-profile ResolveInfo would be twice 6275 // in the result. 6276 result.remove(xpResolveInfo); 6277 } 6278 if (result.size() == 0 && !addEphemeral) { 6279 // No result in current profile, but found candidate in parent user. 6280 // And we are not going to add emphemeral app, so we can return the 6281 // result straight away. 6282 result.add(xpDomainInfo.resolveInfo); 6283 return applyPostResolutionFilter(result, instantAppPkgName, 6284 allowDynamicSplits, filterCallingUid, userId); 6285 } 6286 } else if (result.size() <= 1 && !addEphemeral) { 6287 // No result in parent user and <= 1 result in current profile, and we 6288 // are not going to add emphemeral app, so we can return the result without 6289 // further processing. 6290 return applyPostResolutionFilter(result, instantAppPkgName, 6291 allowDynamicSplits, filterCallingUid, userId); 6292 } 6293 // We have more than one candidate (combining results from current and parent 6294 // profile), so we need filtering and sorting. 6295 result = filterCandidatesWithDomainPreferredActivitiesLPr( 6296 intent, flags, result, xpDomainInfo, userId); 6297 sortResult = true; 6298 } 6299 } else { 6300 final PackageParser.Package pkg = mPackages.get(pkgName); 6301 result = null; 6302 if (pkg != null) { 6303 result = filterIfNotSystemUser( 6304 mActivities.queryIntentForPackage( 6305 intent, resolvedType, flags, pkg.activities, userId), 6306 userId); 6307 } 6308 if (result == null || result.size() == 0) { 6309 // the caller wants to resolve for a particular package; however, there 6310 // were no installed results, so, try to find an ephemeral result 6311 addEphemeral = !ephemeralDisabled 6312 && isInstantAppAllowed( 6313 intent, null /*result*/, userId, true /*skipPackageCheck*/); 6314 if (result == null) { 6315 result = new ArrayList<>(); 6316 } 6317 } 6318 } 6319 } 6320 if (addEphemeral) { 6321 result = maybeAddInstantAppInstaller( 6322 result, intent, resolvedType, flags, userId, resolveForStart); 6323 } 6324 if (sortResult) { 6325 Collections.sort(result, mResolvePrioritySorter); 6326 } 6327 return applyPostResolutionFilter( 6328 result, instantAppPkgName, allowDynamicSplits, filterCallingUid, userId); 6329 } 6330 6331 private List<ResolveInfo> maybeAddInstantAppInstaller(List<ResolveInfo> result, Intent intent, 6332 String resolvedType, int flags, int userId, boolean resolveForStart) { 6333 // first, check to see if we've got an instant app already installed 6334 final boolean alreadyResolvedLocally = (flags & PackageManager.MATCH_INSTANT) != 0; 6335 ResolveInfo localInstantApp = null; 6336 boolean blockResolution = false; 6337 if (!alreadyResolvedLocally) { 6338 final List<ResolveInfo> instantApps = mActivities.queryIntent(intent, resolvedType, 6339 flags 6340 | PackageManager.GET_RESOLVED_FILTER 6341 | PackageManager.MATCH_INSTANT 6342 | PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY, 6343 userId); 6344 for (int i = instantApps.size() - 1; i >= 0; --i) { 6345 final ResolveInfo info = instantApps.get(i); 6346 final String packageName = info.activityInfo.packageName; 6347 final PackageSetting ps = mSettings.mPackages.get(packageName); 6348 if (ps.getInstantApp(userId)) { 6349 final long packedStatus = getDomainVerificationStatusLPr(ps, userId); 6350 final int status = (int)(packedStatus >> 32); 6351 final int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 6352 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6353 // there's a local instant application installed, but, the user has 6354 // chosen to never use it; skip resolution and don't acknowledge 6355 // an instant application is even available 6356 if (DEBUG_EPHEMERAL) { 6357 Slog.v(TAG, "Instant app marked to never run; pkg: " + packageName); 6358 } 6359 blockResolution = true; 6360 break; 6361 } else { 6362 // we have a locally installed instant application; skip resolution 6363 // but acknowledge there's an instant application available 6364 if (DEBUG_EPHEMERAL) { 6365 Slog.v(TAG, "Found installed instant app; pkg: " + packageName); 6366 } 6367 localInstantApp = info; 6368 break; 6369 } 6370 } 6371 } 6372 } 6373 // no app installed, let's see if one's available 6374 AuxiliaryResolveInfo auxiliaryResponse = null; 6375 if (!blockResolution) { 6376 if (localInstantApp == null) { 6377 // we don't have an instant app locally, resolve externally 6378 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "resolveEphemeral"); 6379 final InstantAppRequest requestObject = new InstantAppRequest( 6380 null /*responseObj*/, intent /*origIntent*/, resolvedType, 6381 null /*callingPackage*/, userId, null /*verificationBundle*/, 6382 resolveForStart); 6383 auxiliaryResponse = 6384 InstantAppResolver.doInstantAppResolutionPhaseOne( 6385 mContext, mInstantAppResolverConnection, requestObject); 6386 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6387 } else { 6388 // we have an instant application locally, but, we can't admit that since 6389 // callers shouldn't be able to determine prior browsing. create a dummy 6390 // auxiliary response so the downstream code behaves as if there's an 6391 // instant application available externally. when it comes time to start 6392 // the instant application, we'll do the right thing. 6393 final ApplicationInfo ai = localInstantApp.activityInfo.applicationInfo; 6394 auxiliaryResponse = new AuxiliaryResolveInfo( 6395 ai.packageName, null /*splitName*/, null /*failureActivity*/, 6396 ai.versionCode, null /*failureIntent*/); 6397 } 6398 } 6399 if (auxiliaryResponse != null) { 6400 if (DEBUG_EPHEMERAL) { 6401 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 6402 } 6403 final ResolveInfo ephemeralInstaller = new ResolveInfo(mInstantAppInstallerInfo); 6404 final PackageSetting ps = 6405 mSettings.mPackages.get(mInstantAppInstallerActivity.packageName); 6406 if (ps != null) { 6407 ephemeralInstaller.activityInfo = PackageParser.generateActivityInfo( 6408 mInstantAppInstallerActivity, 0, ps.readUserState(userId), userId); 6409 ephemeralInstaller.activityInfo.launchToken = auxiliaryResponse.token; 6410 ephemeralInstaller.auxiliaryInfo = auxiliaryResponse; 6411 // make sure this resolver is the default 6412 ephemeralInstaller.isDefault = true; 6413 ephemeralInstaller.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 6414 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 6415 // add a non-generic filter 6416 ephemeralInstaller.filter = new IntentFilter(intent.getAction()); 6417 ephemeralInstaller.filter.addDataPath( 6418 intent.getData().getPath(), PatternMatcher.PATTERN_LITERAL); 6419 ephemeralInstaller.isInstantAppAvailable = true; 6420 result.add(ephemeralInstaller); 6421 } 6422 } 6423 return result; 6424 } 6425 6426 private static class CrossProfileDomainInfo { 6427 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 6428 ResolveInfo resolveInfo; 6429 /* Best domain verification status of the activities found in the other profile */ 6430 int bestDomainVerificationStatus; 6431 } 6432 6433 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 6434 String resolvedType, int flags, int sourceUserId, int parentUserId) { 6435 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 6436 sourceUserId)) { 6437 return null; 6438 } 6439 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 6440 resolvedType, flags, parentUserId); 6441 6442 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 6443 return null; 6444 } 6445 CrossProfileDomainInfo result = null; 6446 int size = resultTargetUser.size(); 6447 for (int i = 0; i < size; i++) { 6448 ResolveInfo riTargetUser = resultTargetUser.get(i); 6449 // Intent filter verification is only for filters that specify a host. So don't return 6450 // those that handle all web uris. 6451 if (riTargetUser.handleAllWebDataURI) { 6452 continue; 6453 } 6454 String packageName = riTargetUser.activityInfo.packageName; 6455 PackageSetting ps = mSettings.mPackages.get(packageName); 6456 if (ps == null) { 6457 continue; 6458 } 6459 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 6460 int status = (int)(verificationState >> 32); 6461 if (result == null) { 6462 result = new CrossProfileDomainInfo(); 6463 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 6464 sourceUserId, parentUserId); 6465 result.bestDomainVerificationStatus = status; 6466 } else { 6467 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 6468 result.bestDomainVerificationStatus); 6469 } 6470 } 6471 // Don't consider matches with status NEVER across profiles. 6472 if (result != null && result.bestDomainVerificationStatus 6473 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6474 return null; 6475 } 6476 return result; 6477 } 6478 6479 /** 6480 * Verification statuses are ordered from the worse to the best, except for 6481 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 6482 */ 6483 private int bestDomainVerificationStatus(int status1, int status2) { 6484 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6485 return status2; 6486 } 6487 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6488 return status1; 6489 } 6490 return (int) MathUtils.max(status1, status2); 6491 } 6492 6493 private boolean isUserEnabled(int userId) { 6494 long callingId = Binder.clearCallingIdentity(); 6495 try { 6496 UserInfo userInfo = sUserManager.getUserInfo(userId); 6497 return userInfo != null && userInfo.isEnabled(); 6498 } finally { 6499 Binder.restoreCallingIdentity(callingId); 6500 } 6501 } 6502 6503 /** 6504 * Filter out activities with systemUserOnly flag set, when current user is not System. 6505 * 6506 * @return filtered list 6507 */ 6508 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 6509 if (userId == UserHandle.USER_SYSTEM) { 6510 return resolveInfos; 6511 } 6512 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 6513 ResolveInfo info = resolveInfos.get(i); 6514 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 6515 resolveInfos.remove(i); 6516 } 6517 } 6518 return resolveInfos; 6519 } 6520 6521 /** 6522 * Filters out ephemeral activities. 6523 * <p>When resolving for an ephemeral app, only activities that 1) are defined in the 6524 * ephemeral app or 2) marked with {@code visibleToEphemeral} are returned. 6525 * 6526 * @param resolveInfos The pre-filtered list of resolved activities 6527 * @param ephemeralPkgName The ephemeral package name. If {@code null}, no filtering 6528 * is performed. 6529 * @return A filtered list of resolved activities. 6530 */ 6531 private List<ResolveInfo> applyPostResolutionFilter(List<ResolveInfo> resolveInfos, 6532 String ephemeralPkgName, boolean allowDynamicSplits, int filterCallingUid, int userId) { 6533 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 6534 final ResolveInfo info = resolveInfos.get(i); 6535 // allow activities that are defined in the provided package 6536 if (allowDynamicSplits 6537 && info.activityInfo.splitName != null 6538 && !ArrayUtils.contains(info.activityInfo.applicationInfo.splitNames, 6539 info.activityInfo.splitName)) { 6540 if (mInstantAppInstallerInfo == null) { 6541 if (DEBUG_INSTALL) { 6542 Slog.v(TAG, "No installer - not adding it to the ResolveInfo list"); 6543 } 6544 resolveInfos.remove(i); 6545 continue; 6546 } 6547 // requested activity is defined in a split that hasn't been installed yet. 6548 // add the installer to the resolve list 6549 if (DEBUG_INSTALL) { 6550 Slog.v(TAG, "Adding installer to the ResolveInfo list"); 6551 } 6552 final ResolveInfo installerInfo = new ResolveInfo(mInstantAppInstallerInfo); 6553 final ComponentName installFailureActivity = findInstallFailureActivity( 6554 info.activityInfo.packageName, filterCallingUid, userId); 6555 installerInfo.auxiliaryInfo = new AuxiliaryResolveInfo( 6556 info.activityInfo.packageName, info.activityInfo.splitName, 6557 installFailureActivity, 6558 info.activityInfo.applicationInfo.versionCode, 6559 null /*failureIntent*/); 6560 installerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 6561 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 6562 // add a non-generic filter 6563 installerInfo.filter = new IntentFilter(); 6564 6565 // This resolve info may appear in the chooser UI, so let us make it 6566 // look as the one it replaces as far as the user is concerned which 6567 // requires loading the correct label and icon for the resolve info. 6568 installerInfo.resolvePackageName = info.getComponentInfo().packageName; 6569 installerInfo.labelRes = info.resolveLabelResId(); 6570 installerInfo.icon = info.resolveIconResId(); 6571 6572 // propagate priority/preferred order/default 6573 installerInfo.priority = info.priority; 6574 installerInfo.preferredOrder = info.preferredOrder; 6575 installerInfo.isDefault = info.isDefault; 6576 resolveInfos.set(i, installerInfo); 6577 continue; 6578 } 6579 // caller is a full app, don't need to apply any other filtering 6580 if (ephemeralPkgName == null) { 6581 continue; 6582 } else if (ephemeralPkgName.equals(info.activityInfo.packageName)) { 6583 // caller is same app; don't need to apply any other filtering 6584 continue; 6585 } 6586 // allow activities that have been explicitly exposed to ephemeral apps 6587 final boolean isEphemeralApp = info.activityInfo.applicationInfo.isInstantApp(); 6588 if (!isEphemeralApp 6589 && ((info.activityInfo.flags & ActivityInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0)) { 6590 continue; 6591 } 6592 resolveInfos.remove(i); 6593 } 6594 return resolveInfos; 6595 } 6596 6597 /** 6598 * Returns the activity component that can handle install failures. 6599 * <p>By default, the instant application installer handles failures. However, an 6600 * application may want to handle failures on its own. Applications do this by 6601 * creating an activity with an intent filter that handles the action 6602 * {@link Intent#ACTION_INSTALL_FAILURE}. 6603 */ 6604 private @Nullable ComponentName findInstallFailureActivity( 6605 String packageName, int filterCallingUid, int userId) { 6606 final Intent failureActivityIntent = new Intent(Intent.ACTION_INSTALL_FAILURE); 6607 failureActivityIntent.setPackage(packageName); 6608 // IMPORTANT: disallow dynamic splits to avoid an infinite loop 6609 final List<ResolveInfo> result = queryIntentActivitiesInternal( 6610 failureActivityIntent, null /*resolvedType*/, 0 /*flags*/, filterCallingUid, userId, 6611 false /*resolveForStart*/, false /*allowDynamicSplits*/); 6612 final int NR = result.size(); 6613 if (NR > 0) { 6614 for (int i = 0; i < NR; i++) { 6615 final ResolveInfo info = result.get(i); 6616 if (info.activityInfo.splitName != null) { 6617 continue; 6618 } 6619 return new ComponentName(packageName, info.activityInfo.name); 6620 } 6621 } 6622 return null; 6623 } 6624 6625 /** 6626 * @param resolveInfos list of resolve infos in descending priority order 6627 * @return if the list contains a resolve info with non-negative priority 6628 */ 6629 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 6630 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 6631 } 6632 6633 private static boolean hasWebURI(Intent intent) { 6634 if (intent.getData() == null) { 6635 return false; 6636 } 6637 final String scheme = intent.getScheme(); 6638 if (TextUtils.isEmpty(scheme)) { 6639 return false; 6640 } 6641 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 6642 } 6643 6644 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 6645 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 6646 int userId) { 6647 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 6648 6649 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 6650 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 6651 candidates.size()); 6652 } 6653 6654 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 6655 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 6656 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 6657 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 6658 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 6659 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 6660 6661 synchronized (mPackages) { 6662 final int count = candidates.size(); 6663 // First, try to use linked apps. Partition the candidates into four lists: 6664 // one for the final results, one for the "do not use ever", one for "undefined status" 6665 // and finally one for "browser app type". 6666 for (int n=0; n<count; n++) { 6667 ResolveInfo info = candidates.get(n); 6668 String packageName = info.activityInfo.packageName; 6669 PackageSetting ps = mSettings.mPackages.get(packageName); 6670 if (ps != null) { 6671 // Add to the special match all list (Browser use case) 6672 if (info.handleAllWebDataURI) { 6673 matchAllList.add(info); 6674 continue; 6675 } 6676 // Try to get the status from User settings first 6677 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 6678 int status = (int)(packedStatus >> 32); 6679 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 6680 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 6681 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6682 Slog.i(TAG, " + always: " + info.activityInfo.packageName 6683 + " : linkgen=" + linkGeneration); 6684 } 6685 // Use link-enabled generation as preferredOrder, i.e. 6686 // prefer newly-enabled over earlier-enabled. 6687 info.preferredOrder = linkGeneration; 6688 alwaysList.add(info); 6689 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 6690 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6691 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 6692 } 6693 neverList.add(info); 6694 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 6695 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6696 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 6697 } 6698 alwaysAskList.add(info); 6699 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 6700 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 6701 if (DEBUG_DOMAIN_VERIFICATION || debug) { 6702 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 6703 } 6704 undefinedList.add(info); 6705 } 6706 } 6707 } 6708 6709 // We'll want to include browser possibilities in a few cases 6710 boolean includeBrowser = false; 6711 6712 // First try to add the "always" resolution(s) for the current user, if any 6713 if (alwaysList.size() > 0) { 6714 result.addAll(alwaysList); 6715 } else { 6716 // Add all undefined apps as we want them to appear in the disambiguation dialog. 6717 result.addAll(undefinedList); 6718 // Maybe add one for the other profile. 6719 if (xpDomainInfo != null && ( 6720 xpDomainInfo.bestDomainVerificationStatus 6721 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 6722 result.add(xpDomainInfo.resolveInfo); 6723 } 6724 includeBrowser = true; 6725 } 6726 6727 // The presence of any 'always ask' alternatives means we'll also offer browsers. 6728 // If there were 'always' entries their preferred order has been set, so we also 6729 // back that off to make the alternatives equivalent 6730 if (alwaysAskList.size() > 0) { 6731 for (ResolveInfo i : result) { 6732 i.preferredOrder = 0; 6733 } 6734 result.addAll(alwaysAskList); 6735 includeBrowser = true; 6736 } 6737 6738 if (includeBrowser) { 6739 // Also add browsers (all of them or only the default one) 6740 if (DEBUG_DOMAIN_VERIFICATION) { 6741 Slog.v(TAG, " ...including browsers in candidate set"); 6742 } 6743 if ((matchFlags & MATCH_ALL) != 0) { 6744 result.addAll(matchAllList); 6745 } else { 6746 // Browser/generic handling case. If there's a default browser, go straight 6747 // to that (but only if there is no other higher-priority match). 6748 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 6749 int maxMatchPrio = 0; 6750 ResolveInfo defaultBrowserMatch = null; 6751 final int numCandidates = matchAllList.size(); 6752 for (int n = 0; n < numCandidates; n++) { 6753 ResolveInfo info = matchAllList.get(n); 6754 // track the highest overall match priority... 6755 if (info.priority > maxMatchPrio) { 6756 maxMatchPrio = info.priority; 6757 } 6758 // ...and the highest-priority default browser match 6759 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 6760 if (defaultBrowserMatch == null 6761 || (defaultBrowserMatch.priority < info.priority)) { 6762 if (debug) { 6763 Slog.v(TAG, "Considering default browser match " + info); 6764 } 6765 defaultBrowserMatch = info; 6766 } 6767 } 6768 } 6769 if (defaultBrowserMatch != null 6770 && defaultBrowserMatch.priority >= maxMatchPrio 6771 && !TextUtils.isEmpty(defaultBrowserPackageName)) 6772 { 6773 if (debug) { 6774 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 6775 } 6776 result.add(defaultBrowserMatch); 6777 } else { 6778 result.addAll(matchAllList); 6779 } 6780 } 6781 6782 // If there is nothing selected, add all candidates and remove the ones that the user 6783 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 6784 if (result.size() == 0) { 6785 result.addAll(candidates); 6786 result.removeAll(neverList); 6787 } 6788 } 6789 } 6790 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 6791 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 6792 result.size()); 6793 for (ResolveInfo info : result) { 6794 Slog.v(TAG, " + " + info.activityInfo); 6795 } 6796 } 6797 return result; 6798 } 6799 6800 // Returns a packed value as a long: 6801 // 6802 // high 'int'-sized word: link status: undefined/ask/never/always. 6803 // low 'int'-sized word: relative priority among 'always' results. 6804 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 6805 long result = ps.getDomainVerificationStatusForUser(userId); 6806 // if none available, get the master status 6807 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 6808 if (ps.getIntentFilterVerificationInfo() != null) { 6809 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 6810 } 6811 } 6812 return result; 6813 } 6814 6815 private ResolveInfo querySkipCurrentProfileIntents( 6816 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 6817 int flags, int sourceUserId) { 6818 if (matchingFilters != null) { 6819 int size = matchingFilters.size(); 6820 for (int i = 0; i < size; i ++) { 6821 CrossProfileIntentFilter filter = matchingFilters.get(i); 6822 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 6823 // Checking if there are activities in the target user that can handle the 6824 // intent. 6825 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 6826 resolvedType, flags, sourceUserId); 6827 if (resolveInfo != null) { 6828 return resolveInfo; 6829 } 6830 } 6831 } 6832 } 6833 return null; 6834 } 6835 6836 // Return matching ResolveInfo in target user if any. 6837 private ResolveInfo queryCrossProfileIntents( 6838 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 6839 int flags, int sourceUserId, boolean matchInCurrentProfile) { 6840 if (matchingFilters != null) { 6841 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 6842 // match the same intent. For performance reasons, it is better not to 6843 // run queryIntent twice for the same userId 6844 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 6845 int size = matchingFilters.size(); 6846 for (int i = 0; i < size; i++) { 6847 CrossProfileIntentFilter filter = matchingFilters.get(i); 6848 int targetUserId = filter.getTargetUserId(); 6849 boolean skipCurrentProfile = 6850 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 6851 boolean skipCurrentProfileIfNoMatchFound = 6852 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 6853 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 6854 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 6855 // Checking if there are activities in the target user that can handle the 6856 // intent. 6857 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 6858 resolvedType, flags, sourceUserId); 6859 if (resolveInfo != null) return resolveInfo; 6860 alreadyTriedUserIds.put(targetUserId, true); 6861 } 6862 } 6863 } 6864 return null; 6865 } 6866 6867 /** 6868 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 6869 * will forward the intent to the filter's target user. 6870 * Otherwise, returns null. 6871 */ 6872 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 6873 String resolvedType, int flags, int sourceUserId) { 6874 int targetUserId = filter.getTargetUserId(); 6875 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 6876 resolvedType, flags, targetUserId); 6877 if (resultTargetUser != null && isUserEnabled(targetUserId)) { 6878 // If all the matches in the target profile are suspended, return null. 6879 for (int i = resultTargetUser.size() - 1; i >= 0; i--) { 6880 if ((resultTargetUser.get(i).activityInfo.applicationInfo.flags 6881 & ApplicationInfo.FLAG_SUSPENDED) == 0) { 6882 return createForwardingResolveInfoUnchecked(filter, sourceUserId, 6883 targetUserId); 6884 } 6885 } 6886 } 6887 return null; 6888 } 6889 6890 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 6891 int sourceUserId, int targetUserId) { 6892 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 6893 long ident = Binder.clearCallingIdentity(); 6894 boolean targetIsProfile; 6895 try { 6896 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 6897 } finally { 6898 Binder.restoreCallingIdentity(ident); 6899 } 6900 String className; 6901 if (targetIsProfile) { 6902 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 6903 } else { 6904 className = FORWARD_INTENT_TO_PARENT; 6905 } 6906 ComponentName forwardingActivityComponentName = new ComponentName( 6907 mAndroidApplication.packageName, className); 6908 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 6909 sourceUserId); 6910 if (!targetIsProfile) { 6911 forwardingActivityInfo.showUserIcon = targetUserId; 6912 forwardingResolveInfo.noResourceId = true; 6913 } 6914 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 6915 forwardingResolveInfo.priority = 0; 6916 forwardingResolveInfo.preferredOrder = 0; 6917 forwardingResolveInfo.match = 0; 6918 forwardingResolveInfo.isDefault = true; 6919 forwardingResolveInfo.filter = filter; 6920 forwardingResolveInfo.targetUserId = targetUserId; 6921 return forwardingResolveInfo; 6922 } 6923 6924 @Override 6925 public @NonNull ParceledListSlice<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 6926 Intent[] specifics, String[] specificTypes, Intent intent, 6927 String resolvedType, int flags, int userId) { 6928 return new ParceledListSlice<>(queryIntentActivityOptionsInternal(caller, specifics, 6929 specificTypes, intent, resolvedType, flags, userId)); 6930 } 6931 6932 private @NonNull List<ResolveInfo> queryIntentActivityOptionsInternal(ComponentName caller, 6933 Intent[] specifics, String[] specificTypes, Intent intent, 6934 String resolvedType, int flags, int userId) { 6935 if (!sUserManager.exists(userId)) return Collections.emptyList(); 6936 final int callingUid = Binder.getCallingUid(); 6937 flags = updateFlagsForResolve(flags, userId, intent, callingUid, 6938 false /*includeInstantApps*/); 6939 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 6940 false /*requireFullPermission*/, false /*checkShell*/, 6941 "query intent activity options"); 6942 final String resultsAction = intent.getAction(); 6943 6944 final List<ResolveInfo> results = queryIntentActivitiesInternal(intent, resolvedType, flags 6945 | PackageManager.GET_RESOLVED_FILTER, userId); 6946 6947 if (DEBUG_INTENT_MATCHING) { 6948 Log.v(TAG, "Query " + intent + ": " + results); 6949 } 6950 6951 int specificsPos = 0; 6952 int N; 6953 6954 // todo: note that the algorithm used here is O(N^2). This 6955 // isn't a problem in our current environment, but if we start running 6956 // into situations where we have more than 5 or 10 matches then this 6957 // should probably be changed to something smarter... 6958 6959 // First we go through and resolve each of the specific items 6960 // that were supplied, taking care of removing any corresponding 6961 // duplicate items in the generic resolve list. 6962 if (specifics != null) { 6963 for (int i=0; i<specifics.length; i++) { 6964 final Intent sintent = specifics[i]; 6965 if (sintent == null) { 6966 continue; 6967 } 6968 6969 if (DEBUG_INTENT_MATCHING) { 6970 Log.v(TAG, "Specific #" + i + ": " + sintent); 6971 } 6972 6973 String action = sintent.getAction(); 6974 if (resultsAction != null && resultsAction.equals(action)) { 6975 // If this action was explicitly requested, then don't 6976 // remove things that have it. 6977 action = null; 6978 } 6979 6980 ResolveInfo ri = null; 6981 ActivityInfo ai = null; 6982 6983 ComponentName comp = sintent.getComponent(); 6984 if (comp == null) { 6985 ri = resolveIntent( 6986 sintent, 6987 specificTypes != null ? specificTypes[i] : null, 6988 flags, userId); 6989 if (ri == null) { 6990 continue; 6991 } 6992 if (ri == mResolveInfo) { 6993 // ACK! Must do something better with this. 6994 } 6995 ai = ri.activityInfo; 6996 comp = new ComponentName(ai.applicationInfo.packageName, 6997 ai.name); 6998 } else { 6999 ai = getActivityInfo(comp, flags, userId); 7000 if (ai == null) { 7001 continue; 7002 } 7003 } 7004 7005 // Look for any generic query activities that are duplicates 7006 // of this specific one, and remove them from the results. 7007 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 7008 N = results.size(); 7009 int j; 7010 for (j=specificsPos; j<N; j++) { 7011 ResolveInfo sri = results.get(j); 7012 if ((sri.activityInfo.name.equals(comp.getClassName()) 7013 && sri.activityInfo.applicationInfo.packageName.equals( 7014 comp.getPackageName())) 7015 || (action != null && sri.filter.matchAction(action))) { 7016 results.remove(j); 7017 if (DEBUG_INTENT_MATCHING) Log.v( 7018 TAG, "Removing duplicate item from " + j 7019 + " due to specific " + specificsPos); 7020 if (ri == null) { 7021 ri = sri; 7022 } 7023 j--; 7024 N--; 7025 } 7026 } 7027 7028 // Add this specific item to its proper place. 7029 if (ri == null) { 7030 ri = new ResolveInfo(); 7031 ri.activityInfo = ai; 7032 } 7033 results.add(specificsPos, ri); 7034 ri.specificIndex = i; 7035 specificsPos++; 7036 } 7037 } 7038 7039 // Now we go through the remaining generic results and remove any 7040 // duplicate actions that are found here. 7041 N = results.size(); 7042 for (int i=specificsPos; i<N-1; i++) { 7043 final ResolveInfo rii = results.get(i); 7044 if (rii.filter == null) { 7045 continue; 7046 } 7047 7048 // Iterate over all of the actions of this result's intent 7049 // filter... typically this should be just one. 7050 final Iterator<String> it = rii.filter.actionsIterator(); 7051 if (it == null) { 7052 continue; 7053 } 7054 while (it.hasNext()) { 7055 final String action = it.next(); 7056 if (resultsAction != null && resultsAction.equals(action)) { 7057 // If this action was explicitly requested, then don't 7058 // remove things that have it. 7059 continue; 7060 } 7061 for (int j=i+1; j<N; j++) { 7062 final ResolveInfo rij = results.get(j); 7063 if (rij.filter != null && rij.filter.hasAction(action)) { 7064 results.remove(j); 7065 if (DEBUG_INTENT_MATCHING) Log.v( 7066 TAG, "Removing duplicate item from " + j 7067 + " due to action " + action + " at " + i); 7068 j--; 7069 N--; 7070 } 7071 } 7072 } 7073 7074 // If the caller didn't request filter information, drop it now 7075 // so we don't have to marshall/unmarshall it. 7076 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 7077 rii.filter = null; 7078 } 7079 } 7080 7081 // Filter out the caller activity if so requested. 7082 if (caller != null) { 7083 N = results.size(); 7084 for (int i=0; i<N; i++) { 7085 ActivityInfo ainfo = results.get(i).activityInfo; 7086 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 7087 && caller.getClassName().equals(ainfo.name)) { 7088 results.remove(i); 7089 break; 7090 } 7091 } 7092 } 7093 7094 // If the caller didn't request filter information, 7095 // drop them now so we don't have to 7096 // marshall/unmarshall it. 7097 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 7098 N = results.size(); 7099 for (int i=0; i<N; i++) { 7100 results.get(i).filter = null; 7101 } 7102 } 7103 7104 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 7105 return results; 7106 } 7107 7108 @Override 7109 public @NonNull ParceledListSlice<ResolveInfo> queryIntentReceivers(Intent intent, 7110 String resolvedType, int flags, int userId) { 7111 return new ParceledListSlice<>( 7112 queryIntentReceiversInternal(intent, resolvedType, flags, userId, 7113 false /*allowDynamicSplits*/)); 7114 } 7115 7116 private @NonNull List<ResolveInfo> queryIntentReceiversInternal(Intent intent, 7117 String resolvedType, int flags, int userId, boolean allowDynamicSplits) { 7118 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7119 final int callingUid = Binder.getCallingUid(); 7120 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 7121 false /*requireFullPermission*/, false /*checkShell*/, 7122 "query intent receivers"); 7123 final String instantAppPkgName = getInstantAppPackageName(callingUid); 7124 flags = updateFlagsForResolve(flags, userId, intent, callingUid, 7125 false /*includeInstantApps*/); 7126 ComponentName comp = intent.getComponent(); 7127 if (comp == null) { 7128 if (intent.getSelector() != null) { 7129 intent = intent.getSelector(); 7130 comp = intent.getComponent(); 7131 } 7132 } 7133 if (comp != null) { 7134 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 7135 final ActivityInfo ai = getReceiverInfo(comp, flags, userId); 7136 if (ai != null) { 7137 // When specifying an explicit component, we prevent the activity from being 7138 // used when either 1) the calling package is normal and the activity is within 7139 // an instant application or 2) the calling package is ephemeral and the 7140 // activity is not visible to instant applications. 7141 final boolean matchInstantApp = 7142 (flags & PackageManager.MATCH_INSTANT) != 0; 7143 final boolean matchVisibleToInstantAppOnly = 7144 (flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 7145 final boolean matchExplicitlyVisibleOnly = 7146 (flags & PackageManager.MATCH_EXPLICITLY_VISIBLE_ONLY) != 0; 7147 final boolean isCallerInstantApp = 7148 instantAppPkgName != null; 7149 final boolean isTargetSameInstantApp = 7150 comp.getPackageName().equals(instantAppPkgName); 7151 final boolean isTargetInstantApp = 7152 (ai.applicationInfo.privateFlags 7153 & ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0; 7154 final boolean isTargetVisibleToInstantApp = 7155 (ai.flags & ActivityInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0; 7156 final boolean isTargetExplicitlyVisibleToInstantApp = 7157 isTargetVisibleToInstantApp 7158 && (ai.flags & ActivityInfo.FLAG_IMPLICITLY_VISIBLE_TO_INSTANT_APP) == 0; 7159 final boolean isTargetHiddenFromInstantApp = 7160 !isTargetVisibleToInstantApp 7161 || (matchExplicitlyVisibleOnly && !isTargetExplicitlyVisibleToInstantApp); 7162 final boolean blockResolution = 7163 !isTargetSameInstantApp 7164 && ((!matchInstantApp && !isCallerInstantApp && isTargetInstantApp) 7165 || (matchVisibleToInstantAppOnly && isCallerInstantApp 7166 && isTargetHiddenFromInstantApp)); 7167 if (!blockResolution) { 7168 ResolveInfo ri = new ResolveInfo(); 7169 ri.activityInfo = ai; 7170 list.add(ri); 7171 } 7172 } 7173 return applyPostResolutionFilter( 7174 list, instantAppPkgName, allowDynamicSplits, callingUid, userId); 7175 } 7176 7177 // reader 7178 synchronized (mPackages) { 7179 String pkgName = intent.getPackage(); 7180 if (pkgName == null) { 7181 final List<ResolveInfo> result = 7182 mReceivers.queryIntent(intent, resolvedType, flags, userId); 7183 return applyPostResolutionFilter( 7184 result, instantAppPkgName, allowDynamicSplits, callingUid, userId); 7185 } 7186 final PackageParser.Package pkg = mPackages.get(pkgName); 7187 if (pkg != null) { 7188 final List<ResolveInfo> result = mReceivers.queryIntentForPackage( 7189 intent, resolvedType, flags, pkg.receivers, userId); 7190 return applyPostResolutionFilter( 7191 result, instantAppPkgName, allowDynamicSplits, callingUid, userId); 7192 } 7193 return Collections.emptyList(); 7194 } 7195 } 7196 7197 @Override 7198 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 7199 final int callingUid = Binder.getCallingUid(); 7200 return resolveServiceInternal(intent, resolvedType, flags, userId, callingUid); 7201 } 7202 7203 private ResolveInfo resolveServiceInternal(Intent intent, String resolvedType, int flags, 7204 int userId, int callingUid) { 7205 if (!sUserManager.exists(userId)) return null; 7206 flags = updateFlagsForResolve( 7207 flags, userId, intent, callingUid, false /*includeInstantApps*/); 7208 List<ResolveInfo> query = queryIntentServicesInternal( 7209 intent, resolvedType, flags, userId, callingUid, false /*includeInstantApps*/); 7210 if (query != null) { 7211 if (query.size() >= 1) { 7212 // If there is more than one service with the same priority, 7213 // just arbitrarily pick the first one. 7214 return query.get(0); 7215 } 7216 } 7217 return null; 7218 } 7219 7220 @Override 7221 public @NonNull ParceledListSlice<ResolveInfo> queryIntentServices(Intent intent, 7222 String resolvedType, int flags, int userId) { 7223 final int callingUid = Binder.getCallingUid(); 7224 return new ParceledListSlice<>(queryIntentServicesInternal( 7225 intent, resolvedType, flags, userId, callingUid, false /*includeInstantApps*/)); 7226 } 7227 7228 private @NonNull List<ResolveInfo> queryIntentServicesInternal(Intent intent, 7229 String resolvedType, int flags, int userId, int callingUid, 7230 boolean includeInstantApps) { 7231 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7232 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 7233 false /*requireFullPermission*/, false /*checkShell*/, 7234 "query intent receivers"); 7235 final String instantAppPkgName = getInstantAppPackageName(callingUid); 7236 flags = updateFlagsForResolve(flags, userId, intent, callingUid, includeInstantApps); 7237 ComponentName comp = intent.getComponent(); 7238 if (comp == null) { 7239 if (intent.getSelector() != null) { 7240 intent = intent.getSelector(); 7241 comp = intent.getComponent(); 7242 } 7243 } 7244 if (comp != null) { 7245 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 7246 final ServiceInfo si = getServiceInfo(comp, flags, userId); 7247 if (si != null) { 7248 // When specifying an explicit component, we prevent the service from being 7249 // used when either 1) the service is in an instant application and the 7250 // caller is not the same instant application or 2) the calling package is 7251 // ephemeral and the activity is not visible to ephemeral applications. 7252 final boolean matchInstantApp = 7253 (flags & PackageManager.MATCH_INSTANT) != 0; 7254 final boolean matchVisibleToInstantAppOnly = 7255 (flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 7256 final boolean isCallerInstantApp = 7257 instantAppPkgName != null; 7258 final boolean isTargetSameInstantApp = 7259 comp.getPackageName().equals(instantAppPkgName); 7260 final boolean isTargetInstantApp = 7261 (si.applicationInfo.privateFlags 7262 & ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0; 7263 final boolean isTargetHiddenFromInstantApp = 7264 (si.flags & ServiceInfo.FLAG_VISIBLE_TO_INSTANT_APP) == 0; 7265 final boolean blockResolution = 7266 !isTargetSameInstantApp 7267 && ((!matchInstantApp && !isCallerInstantApp && isTargetInstantApp) 7268 || (matchVisibleToInstantAppOnly && isCallerInstantApp 7269 && isTargetHiddenFromInstantApp)); 7270 if (!blockResolution) { 7271 final ResolveInfo ri = new ResolveInfo(); 7272 ri.serviceInfo = si; 7273 list.add(ri); 7274 } 7275 } 7276 return list; 7277 } 7278 7279 // reader 7280 synchronized (mPackages) { 7281 String pkgName = intent.getPackage(); 7282 if (pkgName == null) { 7283 return applyPostServiceResolutionFilter( 7284 mServices.queryIntent(intent, resolvedType, flags, userId), 7285 instantAppPkgName); 7286 } 7287 final PackageParser.Package pkg = mPackages.get(pkgName); 7288 if (pkg != null) { 7289 return applyPostServiceResolutionFilter( 7290 mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 7291 userId), 7292 instantAppPkgName); 7293 } 7294 return Collections.emptyList(); 7295 } 7296 } 7297 7298 private List<ResolveInfo> applyPostServiceResolutionFilter(List<ResolveInfo> resolveInfos, 7299 String instantAppPkgName) { 7300 if (instantAppPkgName == null) { 7301 return resolveInfos; 7302 } 7303 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 7304 final ResolveInfo info = resolveInfos.get(i); 7305 final boolean isEphemeralApp = info.serviceInfo.applicationInfo.isInstantApp(); 7306 // allow services that are defined in the provided package 7307 if (isEphemeralApp && instantAppPkgName.equals(info.serviceInfo.packageName)) { 7308 if (info.serviceInfo.splitName != null 7309 && !ArrayUtils.contains(info.serviceInfo.applicationInfo.splitNames, 7310 info.serviceInfo.splitName)) { 7311 // requested service is defined in a split that hasn't been installed yet. 7312 // add the installer to the resolve list 7313 if (DEBUG_EPHEMERAL) { 7314 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 7315 } 7316 final ResolveInfo installerInfo = new ResolveInfo(mInstantAppInstallerInfo); 7317 installerInfo.auxiliaryInfo = new AuxiliaryResolveInfo( 7318 info.serviceInfo.packageName, info.serviceInfo.splitName, 7319 null /*failureActivity*/, info.serviceInfo.applicationInfo.versionCode, 7320 null /*failureIntent*/); 7321 // make sure this resolver is the default 7322 installerInfo.isDefault = true; 7323 installerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 7324 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 7325 // add a non-generic filter 7326 installerInfo.filter = new IntentFilter(); 7327 // load resources from the correct package 7328 installerInfo.resolvePackageName = info.getComponentInfo().packageName; 7329 resolveInfos.set(i, installerInfo); 7330 } 7331 continue; 7332 } 7333 // allow services that have been explicitly exposed to ephemeral apps 7334 if (!isEphemeralApp 7335 && ((info.serviceInfo.flags & ServiceInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0)) { 7336 continue; 7337 } 7338 resolveInfos.remove(i); 7339 } 7340 return resolveInfos; 7341 } 7342 7343 @Override 7344 public @NonNull ParceledListSlice<ResolveInfo> queryIntentContentProviders(Intent intent, 7345 String resolvedType, int flags, int userId) { 7346 return new ParceledListSlice<>( 7347 queryIntentContentProvidersInternal(intent, resolvedType, flags, userId)); 7348 } 7349 7350 private @NonNull List<ResolveInfo> queryIntentContentProvidersInternal( 7351 Intent intent, String resolvedType, int flags, int userId) { 7352 if (!sUserManager.exists(userId)) return Collections.emptyList(); 7353 final int callingUid = Binder.getCallingUid(); 7354 final String instantAppPkgName = getInstantAppPackageName(callingUid); 7355 flags = updateFlagsForResolve(flags, userId, intent, callingUid, 7356 false /*includeInstantApps*/); 7357 ComponentName comp = intent.getComponent(); 7358 if (comp == null) { 7359 if (intent.getSelector() != null) { 7360 intent = intent.getSelector(); 7361 comp = intent.getComponent(); 7362 } 7363 } 7364 if (comp != null) { 7365 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 7366 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 7367 if (pi != null) { 7368 // When specifying an explicit component, we prevent the provider from being 7369 // used when either 1) the provider is in an instant application and the 7370 // caller is not the same instant application or 2) the calling package is an 7371 // instant application and the provider is not visible to instant applications. 7372 final boolean matchInstantApp = 7373 (flags & PackageManager.MATCH_INSTANT) != 0; 7374 final boolean matchVisibleToInstantAppOnly = 7375 (flags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 7376 final boolean isCallerInstantApp = 7377 instantAppPkgName != null; 7378 final boolean isTargetSameInstantApp = 7379 comp.getPackageName().equals(instantAppPkgName); 7380 final boolean isTargetInstantApp = 7381 (pi.applicationInfo.privateFlags 7382 & ApplicationInfo.PRIVATE_FLAG_INSTANT) != 0; 7383 final boolean isTargetHiddenFromInstantApp = 7384 (pi.flags & ProviderInfo.FLAG_VISIBLE_TO_INSTANT_APP) == 0; 7385 final boolean blockResolution = 7386 !isTargetSameInstantApp 7387 && ((!matchInstantApp && !isCallerInstantApp && isTargetInstantApp) 7388 || (matchVisibleToInstantAppOnly && isCallerInstantApp 7389 && isTargetHiddenFromInstantApp)); 7390 if (!blockResolution) { 7391 final ResolveInfo ri = new ResolveInfo(); 7392 ri.providerInfo = pi; 7393 list.add(ri); 7394 } 7395 } 7396 return list; 7397 } 7398 7399 // reader 7400 synchronized (mPackages) { 7401 String pkgName = intent.getPackage(); 7402 if (pkgName == null) { 7403 return applyPostContentProviderResolutionFilter( 7404 mProviders.queryIntent(intent, resolvedType, flags, userId), 7405 instantAppPkgName); 7406 } 7407 final PackageParser.Package pkg = mPackages.get(pkgName); 7408 if (pkg != null) { 7409 return applyPostContentProviderResolutionFilter( 7410 mProviders.queryIntentForPackage( 7411 intent, resolvedType, flags, pkg.providers, userId), 7412 instantAppPkgName); 7413 } 7414 return Collections.emptyList(); 7415 } 7416 } 7417 7418 private List<ResolveInfo> applyPostContentProviderResolutionFilter( 7419 List<ResolveInfo> resolveInfos, String instantAppPkgName) { 7420 if (instantAppPkgName == null) { 7421 return resolveInfos; 7422 } 7423 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 7424 final ResolveInfo info = resolveInfos.get(i); 7425 final boolean isEphemeralApp = info.providerInfo.applicationInfo.isInstantApp(); 7426 // allow providers that are defined in the provided package 7427 if (isEphemeralApp && instantAppPkgName.equals(info.providerInfo.packageName)) { 7428 if (info.providerInfo.splitName != null 7429 && !ArrayUtils.contains(info.providerInfo.applicationInfo.splitNames, 7430 info.providerInfo.splitName)) { 7431 // requested provider is defined in a split that hasn't been installed yet. 7432 // add the installer to the resolve list 7433 if (DEBUG_EPHEMERAL) { 7434 Slog.v(TAG, "Adding ephemeral installer to the ResolveInfo list"); 7435 } 7436 final ResolveInfo installerInfo = new ResolveInfo(mInstantAppInstallerInfo); 7437 installerInfo.auxiliaryInfo = new AuxiliaryResolveInfo( 7438 info.providerInfo.packageName, info.providerInfo.splitName, 7439 null /*failureActivity*/, info.providerInfo.applicationInfo.versionCode, 7440 null /*failureIntent*/); 7441 // make sure this resolver is the default 7442 installerInfo.isDefault = true; 7443 installerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 7444 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 7445 // add a non-generic filter 7446 installerInfo.filter = new IntentFilter(); 7447 // load resources from the correct package 7448 installerInfo.resolvePackageName = info.getComponentInfo().packageName; 7449 resolveInfos.set(i, installerInfo); 7450 } 7451 continue; 7452 } 7453 // allow providers that have been explicitly exposed to instant applications 7454 if (!isEphemeralApp 7455 && ((info.providerInfo.flags & ProviderInfo.FLAG_VISIBLE_TO_INSTANT_APP) != 0)) { 7456 continue; 7457 } 7458 resolveInfos.remove(i); 7459 } 7460 return resolveInfos; 7461 } 7462 7463 @Override 7464 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 7465 final int callingUid = Binder.getCallingUid(); 7466 if (getInstantAppPackageName(callingUid) != null) { 7467 return ParceledListSlice.emptyList(); 7468 } 7469 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7470 flags = updateFlagsForPackage(flags, userId, null); 7471 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7472 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 7473 true /* requireFullPermission */, false /* checkShell */, 7474 "get installed packages"); 7475 7476 // writer 7477 synchronized (mPackages) { 7478 ArrayList<PackageInfo> list; 7479 if (listUninstalled) { 7480 list = new ArrayList<>(mSettings.mPackages.size()); 7481 for (PackageSetting ps : mSettings.mPackages.values()) { 7482 if (filterSharedLibPackageLPr(ps, callingUid, userId, flags)) { 7483 continue; 7484 } 7485 if (filterAppAccessLPr(ps, callingUid, userId)) { 7486 continue; 7487 } 7488 final PackageInfo pi = generatePackageInfo(ps, flags, userId); 7489 if (pi != null) { 7490 list.add(pi); 7491 } 7492 } 7493 } else { 7494 list = new ArrayList<>(mPackages.size()); 7495 for (PackageParser.Package p : mPackages.values()) { 7496 final PackageSetting ps = (PackageSetting) p.mExtras; 7497 if (filterSharedLibPackageLPr(ps, callingUid, userId, flags)) { 7498 continue; 7499 } 7500 if (filterAppAccessLPr(ps, callingUid, userId)) { 7501 continue; 7502 } 7503 final PackageInfo pi = generatePackageInfo((PackageSetting) 7504 p.mExtras, flags, userId); 7505 if (pi != null) { 7506 list.add(pi); 7507 } 7508 } 7509 } 7510 7511 return new ParceledListSlice<>(list); 7512 } 7513 } 7514 7515 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 7516 String[] permissions, boolean[] tmp, int flags, int userId) { 7517 int numMatch = 0; 7518 final PermissionsState permissionsState = ps.getPermissionsState(); 7519 for (int i=0; i<permissions.length; i++) { 7520 final String permission = permissions[i]; 7521 if (permissionsState.hasPermission(permission, userId)) { 7522 tmp[i] = true; 7523 numMatch++; 7524 } else { 7525 tmp[i] = false; 7526 } 7527 } 7528 if (numMatch == 0) { 7529 return; 7530 } 7531 final PackageInfo pi = generatePackageInfo(ps, flags, userId); 7532 7533 // The above might return null in cases of uninstalled apps or install-state 7534 // skew across users/profiles. 7535 if (pi != null) { 7536 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 7537 if (numMatch == permissions.length) { 7538 pi.requestedPermissions = permissions; 7539 } else { 7540 pi.requestedPermissions = new String[numMatch]; 7541 numMatch = 0; 7542 for (int i=0; i<permissions.length; i++) { 7543 if (tmp[i]) { 7544 pi.requestedPermissions[numMatch] = permissions[i]; 7545 numMatch++; 7546 } 7547 } 7548 } 7549 } 7550 list.add(pi); 7551 } 7552 } 7553 7554 @Override 7555 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 7556 String[] permissions, int flags, int userId) { 7557 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7558 flags = updateFlagsForPackage(flags, userId, permissions); 7559 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 7560 true /* requireFullPermission */, false /* checkShell */, 7561 "get packages holding permissions"); 7562 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7563 7564 // writer 7565 synchronized (mPackages) { 7566 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 7567 boolean[] tmpBools = new boolean[permissions.length]; 7568 if (listUninstalled) { 7569 for (PackageSetting ps : mSettings.mPackages.values()) { 7570 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 7571 userId); 7572 } 7573 } else { 7574 for (PackageParser.Package pkg : mPackages.values()) { 7575 PackageSetting ps = (PackageSetting)pkg.mExtras; 7576 if (ps != null) { 7577 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 7578 userId); 7579 } 7580 } 7581 } 7582 7583 return new ParceledListSlice<PackageInfo>(list); 7584 } 7585 } 7586 7587 @Override 7588 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 7589 final int callingUid = Binder.getCallingUid(); 7590 if (getInstantAppPackageName(callingUid) != null) { 7591 return ParceledListSlice.emptyList(); 7592 } 7593 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7594 flags = updateFlagsForApplication(flags, userId, null); 7595 final boolean listUninstalled = (flags & MATCH_KNOWN_PACKAGES) != 0; 7596 7597 // writer 7598 synchronized (mPackages) { 7599 ArrayList<ApplicationInfo> list; 7600 if (listUninstalled) { 7601 list = new ArrayList<>(mSettings.mPackages.size()); 7602 for (PackageSetting ps : mSettings.mPackages.values()) { 7603 ApplicationInfo ai; 7604 int effectiveFlags = flags; 7605 if (ps.isSystem()) { 7606 effectiveFlags |= PackageManager.MATCH_ANY_USER; 7607 } 7608 if (ps.pkg != null) { 7609 if (filterSharedLibPackageLPr(ps, callingUid, userId, flags)) { 7610 continue; 7611 } 7612 if (filterAppAccessLPr(ps, callingUid, userId)) { 7613 continue; 7614 } 7615 ai = PackageParser.generateApplicationInfo(ps.pkg, effectiveFlags, 7616 ps.readUserState(userId), userId); 7617 if (ai != null) { 7618 ai.packageName = resolveExternalPackageNameLPr(ps.pkg); 7619 } 7620 } else { 7621 // Shared lib filtering done in generateApplicationInfoFromSettingsLPw 7622 // and already converts to externally visible package name 7623 ai = generateApplicationInfoFromSettingsLPw(ps.name, 7624 callingUid, effectiveFlags, userId); 7625 } 7626 if (ai != null) { 7627 list.add(ai); 7628 } 7629 } 7630 } else { 7631 list = new ArrayList<>(mPackages.size()); 7632 for (PackageParser.Package p : mPackages.values()) { 7633 if (p.mExtras != null) { 7634 PackageSetting ps = (PackageSetting) p.mExtras; 7635 if (filterSharedLibPackageLPr(ps, Binder.getCallingUid(), userId, flags)) { 7636 continue; 7637 } 7638 if (filterAppAccessLPr(ps, callingUid, userId)) { 7639 continue; 7640 } 7641 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 7642 ps.readUserState(userId), userId); 7643 if (ai != null) { 7644 ai.packageName = resolveExternalPackageNameLPr(p); 7645 list.add(ai); 7646 } 7647 } 7648 } 7649 } 7650 7651 return new ParceledListSlice<>(list); 7652 } 7653 } 7654 7655 @Override 7656 public ParceledListSlice<InstantAppInfo> getInstantApps(int userId) { 7657 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7658 return null; 7659 } 7660 if (!canViewInstantApps(Binder.getCallingUid(), userId)) { 7661 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_INSTANT_APPS, 7662 "getEphemeralApplications"); 7663 } 7664 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 7665 true /* requireFullPermission */, false /* checkShell */, 7666 "getEphemeralApplications"); 7667 synchronized (mPackages) { 7668 List<InstantAppInfo> instantApps = mInstantAppRegistry 7669 .getInstantAppsLPr(userId); 7670 if (instantApps != null) { 7671 return new ParceledListSlice<>(instantApps); 7672 } 7673 } 7674 return null; 7675 } 7676 7677 @Override 7678 public boolean isInstantApp(String packageName, int userId) { 7679 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 7680 true /* requireFullPermission */, false /* checkShell */, 7681 "isInstantApp"); 7682 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7683 return false; 7684 } 7685 7686 synchronized (mPackages) { 7687 int callingUid = Binder.getCallingUid(); 7688 if (Process.isIsolated(callingUid)) { 7689 callingUid = mIsolatedOwners.get(callingUid); 7690 } 7691 final PackageSetting ps = mSettings.mPackages.get(packageName); 7692 PackageParser.Package pkg = mPackages.get(packageName); 7693 final boolean returnAllowed = 7694 ps != null 7695 && (isCallerSameApp(packageName, callingUid) 7696 || canViewInstantApps(callingUid, userId) 7697 || mInstantAppRegistry.isInstantAccessGranted( 7698 userId, UserHandle.getAppId(callingUid), ps.appId)); 7699 if (returnAllowed) { 7700 return ps.getInstantApp(userId); 7701 } 7702 } 7703 return false; 7704 } 7705 7706 @Override 7707 public byte[] getInstantAppCookie(String packageName, int userId) { 7708 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7709 return null; 7710 } 7711 7712 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 7713 true /* requireFullPermission */, false /* checkShell */, 7714 "getInstantAppCookie"); 7715 if (!isCallerSameApp(packageName, Binder.getCallingUid())) { 7716 return null; 7717 } 7718 synchronized (mPackages) { 7719 return mInstantAppRegistry.getInstantAppCookieLPw( 7720 packageName, userId); 7721 } 7722 } 7723 7724 @Override 7725 public boolean setInstantAppCookie(String packageName, byte[] cookie, int userId) { 7726 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7727 return true; 7728 } 7729 7730 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 7731 true /* requireFullPermission */, true /* checkShell */, 7732 "setInstantAppCookie"); 7733 if (!isCallerSameApp(packageName, Binder.getCallingUid())) { 7734 return false; 7735 } 7736 synchronized (mPackages) { 7737 return mInstantAppRegistry.setInstantAppCookieLPw( 7738 packageName, cookie, userId); 7739 } 7740 } 7741 7742 @Override 7743 public Bitmap getInstantAppIcon(String packageName, int userId) { 7744 if (HIDE_EPHEMERAL_APIS || isEphemeralDisabled()) { 7745 return null; 7746 } 7747 7748 if (!canViewInstantApps(Binder.getCallingUid(), userId)) { 7749 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_INSTANT_APPS, 7750 "getInstantAppIcon"); 7751 } 7752 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 7753 true /* requireFullPermission */, false /* checkShell */, 7754 "getInstantAppIcon"); 7755 7756 synchronized (mPackages) { 7757 return mInstantAppRegistry.getInstantAppIconLPw( 7758 packageName, userId); 7759 } 7760 } 7761 7762 private boolean isCallerSameApp(String packageName, int uid) { 7763 PackageParser.Package pkg = mPackages.get(packageName); 7764 return pkg != null 7765 && UserHandle.getAppId(uid) == pkg.applicationInfo.uid; 7766 } 7767 7768 @Override 7769 public @NonNull ParceledListSlice<ApplicationInfo> getPersistentApplications(int flags) { 7770 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 7771 return ParceledListSlice.emptyList(); 7772 } 7773 return new ParceledListSlice<>(getPersistentApplicationsInternal(flags)); 7774 } 7775 7776 private @NonNull List<ApplicationInfo> getPersistentApplicationsInternal(int flags) { 7777 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 7778 7779 // reader 7780 synchronized (mPackages) { 7781 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 7782 final int userId = UserHandle.getCallingUserId(); 7783 while (i.hasNext()) { 7784 final PackageParser.Package p = i.next(); 7785 if (p.applicationInfo == null) continue; 7786 7787 final boolean matchesUnaware = ((flags & MATCH_DIRECT_BOOT_UNAWARE) != 0) 7788 && !p.applicationInfo.isDirectBootAware(); 7789 final boolean matchesAware = ((flags & MATCH_DIRECT_BOOT_AWARE) != 0) 7790 && p.applicationInfo.isDirectBootAware(); 7791 7792 if ((p.applicationInfo.flags & ApplicationInfo.FLAG_PERSISTENT) != 0 7793 && (!mSafeMode || isSystemApp(p)) 7794 && (matchesUnaware || matchesAware)) { 7795 PackageSetting ps = mSettings.mPackages.get(p.packageName); 7796 if (ps != null) { 7797 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 7798 ps.readUserState(userId), userId); 7799 if (ai != null) { 7800 finalList.add(ai); 7801 } 7802 } 7803 } 7804 } 7805 } 7806 7807 return finalList; 7808 } 7809 7810 @Override 7811 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 7812 return resolveContentProviderInternal(name, flags, userId); 7813 } 7814 7815 private ProviderInfo resolveContentProviderInternal(String name, int flags, int userId) { 7816 if (!sUserManager.exists(userId)) return null; 7817 flags = updateFlagsForComponent(flags, userId, name); 7818 final String instantAppPkgName = getInstantAppPackageName(Binder.getCallingUid()); 7819 // reader 7820 synchronized (mPackages) { 7821 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 7822 PackageSetting ps = provider != null 7823 ? mSettings.mPackages.get(provider.owner.packageName) 7824 : null; 7825 if (ps != null) { 7826 final boolean isInstantApp = ps.getInstantApp(userId); 7827 // normal application; filter out instant application provider 7828 if (instantAppPkgName == null && isInstantApp) { 7829 return null; 7830 } 7831 // instant application; filter out other instant applications 7832 if (instantAppPkgName != null 7833 && isInstantApp 7834 && !provider.owner.packageName.equals(instantAppPkgName)) { 7835 return null; 7836 } 7837 // instant application; filter out non-exposed provider 7838 if (instantAppPkgName != null 7839 && !isInstantApp 7840 && (provider.info.flags & ProviderInfo.FLAG_VISIBLE_TO_INSTANT_APP) == 0) { 7841 return null; 7842 } 7843 // provider not enabled 7844 if (!mSettings.isEnabledAndMatchLPr(provider.info, flags, userId)) { 7845 return null; 7846 } 7847 return PackageParser.generateProviderInfo( 7848 provider, flags, ps.readUserState(userId), userId); 7849 } 7850 return null; 7851 } 7852 } 7853 7854 /** 7855 * @deprecated 7856 */ 7857 @Deprecated 7858 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 7859 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 7860 return; 7861 } 7862 // reader 7863 synchronized (mPackages) { 7864 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 7865 .entrySet().iterator(); 7866 final int userId = UserHandle.getCallingUserId(); 7867 while (i.hasNext()) { 7868 Map.Entry<String, PackageParser.Provider> entry = i.next(); 7869 PackageParser.Provider p = entry.getValue(); 7870 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 7871 7872 if (ps != null && p.syncable 7873 && (!mSafeMode || (p.info.applicationInfo.flags 7874 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 7875 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 7876 ps.readUserState(userId), userId); 7877 if (info != null) { 7878 outNames.add(entry.getKey()); 7879 outInfo.add(info); 7880 } 7881 } 7882 } 7883 } 7884 } 7885 7886 @Override 7887 public @NonNull ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 7888 int uid, int flags, String metaDataKey) { 7889 final int callingUid = Binder.getCallingUid(); 7890 final int userId = processName != null ? UserHandle.getUserId(uid) 7891 : UserHandle.getCallingUserId(); 7892 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 7893 flags = updateFlagsForComponent(flags, userId, processName); 7894 ArrayList<ProviderInfo> finalList = null; 7895 // reader 7896 synchronized (mPackages) { 7897 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 7898 while (i.hasNext()) { 7899 final PackageParser.Provider p = i.next(); 7900 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 7901 if (ps != null && p.info.authority != null 7902 && (processName == null 7903 || (p.info.processName.equals(processName) 7904 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 7905 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 7906 7907 // See PM.queryContentProviders()'s javadoc for why we have the metaData 7908 // parameter. 7909 if (metaDataKey != null 7910 && (p.metaData == null || !p.metaData.containsKey(metaDataKey))) { 7911 continue; 7912 } 7913 final ComponentName component = 7914 new ComponentName(p.info.packageName, p.info.name); 7915 if (filterAppAccessLPr(ps, callingUid, component, TYPE_PROVIDER, userId)) { 7916 continue; 7917 } 7918 if (finalList == null) { 7919 finalList = new ArrayList<ProviderInfo>(3); 7920 } 7921 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 7922 ps.readUserState(userId), userId); 7923 if (info != null) { 7924 finalList.add(info); 7925 } 7926 } 7927 } 7928 } 7929 7930 if (finalList != null) { 7931 Collections.sort(finalList, mProviderInitOrderSorter); 7932 return new ParceledListSlice<ProviderInfo>(finalList); 7933 } 7934 7935 return ParceledListSlice.emptyList(); 7936 } 7937 7938 @Override 7939 public InstrumentationInfo getInstrumentationInfo(ComponentName component, int flags) { 7940 // reader 7941 synchronized (mPackages) { 7942 final int callingUid = Binder.getCallingUid(); 7943 final int callingUserId = UserHandle.getUserId(callingUid); 7944 final PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 7945 if (ps == null) return null; 7946 if (filterAppAccessLPr(ps, callingUid, component, TYPE_UNKNOWN, callingUserId)) { 7947 return null; 7948 } 7949 final PackageParser.Instrumentation i = mInstrumentation.get(component); 7950 return PackageParser.generateInstrumentationInfo(i, flags); 7951 } 7952 } 7953 7954 @Override 7955 public @NonNull ParceledListSlice<InstrumentationInfo> queryInstrumentation( 7956 String targetPackage, int flags) { 7957 final int callingUid = Binder.getCallingUid(); 7958 final int callingUserId = UserHandle.getUserId(callingUid); 7959 final PackageSetting ps = mSettings.mPackages.get(targetPackage); 7960 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 7961 return ParceledListSlice.emptyList(); 7962 } 7963 return new ParceledListSlice<>(queryInstrumentationInternal(targetPackage, flags)); 7964 } 7965 7966 private @NonNull List<InstrumentationInfo> queryInstrumentationInternal(String targetPackage, 7967 int flags) { 7968 ArrayList<InstrumentationInfo> finalList = new ArrayList<InstrumentationInfo>(); 7969 7970 // reader 7971 synchronized (mPackages) { 7972 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 7973 while (i.hasNext()) { 7974 final PackageParser.Instrumentation p = i.next(); 7975 if (targetPackage == null 7976 || targetPackage.equals(p.info.targetPackage)) { 7977 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 7978 flags); 7979 if (ii != null) { 7980 finalList.add(ii); 7981 } 7982 } 7983 } 7984 } 7985 7986 return finalList; 7987 } 7988 7989 private void scanDirTracedLI(File dir, final int parseFlags, int scanFlags, long currentTime) { 7990 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir [" + dir.getAbsolutePath() + "]"); 7991 try { 7992 scanDirLI(dir, parseFlags, scanFlags, currentTime); 7993 } finally { 7994 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7995 } 7996 } 7997 7998 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 7999 final File[] files = dir.listFiles(); 8000 if (ArrayUtils.isEmpty(files)) { 8001 Log.d(TAG, "No files in app dir " + dir); 8002 return; 8003 } 8004 8005 if (DEBUG_PACKAGE_SCANNING) { 8006 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 8007 + " flags=0x" + Integer.toHexString(parseFlags)); 8008 } 8009 ParallelPackageParser parallelPackageParser = new ParallelPackageParser( 8010 mSeparateProcesses, mOnlyCore, mMetrics, mCacheDir, 8011 mParallelPackageParserCallback); 8012 8013 // Submit files for parsing in parallel 8014 int fileCount = 0; 8015 for (File file : files) { 8016 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 8017 && !PackageInstallerService.isStageName(file.getName()); 8018 if (!isPackage) { 8019 // Ignore entries which are not packages 8020 continue; 8021 } 8022 parallelPackageParser.submit(file, parseFlags); 8023 fileCount++; 8024 } 8025 8026 // Process results one by one 8027 for (; fileCount > 0; fileCount--) { 8028 ParallelPackageParser.ParseResult parseResult = parallelPackageParser.take(); 8029 Throwable throwable = parseResult.throwable; 8030 int errorCode = PackageManager.INSTALL_SUCCEEDED; 8031 8032 if (throwable == null) { 8033 // Static shared libraries have synthetic package names 8034 if (parseResult.pkg.applicationInfo.isStaticSharedLibrary()) { 8035 renameStaticSharedLibraryPackage(parseResult.pkg); 8036 } 8037 try { 8038 if (errorCode == PackageManager.INSTALL_SUCCEEDED) { 8039 scanPackageLI(parseResult.pkg, parseResult.scanFile, parseFlags, scanFlags, 8040 currentTime, null); 8041 } 8042 } catch (PackageManagerException e) { 8043 errorCode = e.error; 8044 Slog.w(TAG, "Failed to scan " + parseResult.scanFile + ": " + e.getMessage()); 8045 } 8046 } else if (throwable instanceof PackageParser.PackageParserException) { 8047 PackageParser.PackageParserException e = (PackageParser.PackageParserException) 8048 throwable; 8049 errorCode = e.error; 8050 Slog.w(TAG, "Failed to parse " + parseResult.scanFile + ": " + e.getMessage()); 8051 } else { 8052 throw new IllegalStateException("Unexpected exception occurred while parsing " 8053 + parseResult.scanFile, throwable); 8054 } 8055 8056 // Delete invalid userdata apps 8057 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 8058 errorCode == PackageManager.INSTALL_FAILED_INVALID_APK) { 8059 logCriticalInfo(Log.WARN, 8060 "Deleting invalid package at " + parseResult.scanFile); 8061 removeCodePathLI(parseResult.scanFile); 8062 } 8063 } 8064 parallelPackageParser.close(); 8065 } 8066 8067 public static void reportSettingsProblem(int priority, String msg) { 8068 logCriticalInfo(priority, msg); 8069 } 8070 8071 private void collectCertificatesLI(PackageSetting ps, PackageParser.Package pkg, File srcFile, 8072 final int policyFlags) throws PackageManagerException { 8073 // When upgrading from pre-N MR1, verify the package time stamp using the package 8074 // directory and not the APK file. 8075 final long lastModifiedTime = mIsPreNMR1Upgrade 8076 ? new File(pkg.codePath).lastModified() : getLastModifiedTime(pkg, srcFile); 8077 if (ps != null 8078 && ps.codePath.equals(srcFile) 8079 && ps.timeStamp == lastModifiedTime 8080 && !isCompatSignatureUpdateNeeded(pkg) 8081 && !isRecoverSignatureUpdateNeeded(pkg)) { 8082 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 8083 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 8084 ArraySet<PublicKey> signingKs; 8085 synchronized (mPackages) { 8086 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 8087 } 8088 if (ps.signatures.mSignatures != null 8089 && ps.signatures.mSignatures.length != 0 8090 && signingKs != null) { 8091 // Optimization: reuse the existing cached certificates 8092 // if the package appears to be unchanged. 8093 pkg.mSignatures = ps.signatures.mSignatures; 8094 pkg.mSigningKeys = signingKs; 8095 return; 8096 } 8097 8098 Slog.w(TAG, "PackageSetting for " + ps.name 8099 + " is missing signatures. Collecting certs again to recover them."); 8100 } else { 8101 Slog.i(TAG, srcFile.toString() + " changed; collecting certs"); 8102 } 8103 8104 try { 8105 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 8106 PackageParser.collectCertificates(pkg, policyFlags); 8107 } catch (PackageParserException e) { 8108 throw PackageManagerException.from(e); 8109 } finally { 8110 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8111 } 8112 } 8113 8114 /** 8115 * Traces a package scan. 8116 * @see #scanPackageLI(File, int, int, long, UserHandle) 8117 */ 8118 private PackageParser.Package scanPackageTracedLI(File scanFile, final int parseFlags, 8119 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 8120 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage [" + scanFile.toString() + "]"); 8121 try { 8122 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 8123 } finally { 8124 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8125 } 8126 } 8127 8128 /** 8129 * Scans a package and returns the newly parsed package. 8130 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 8131 */ 8132 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 8133 long currentTime, UserHandle user) throws PackageManagerException { 8134 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 8135 PackageParser pp = new PackageParser(); 8136 pp.setSeparateProcesses(mSeparateProcesses); 8137 pp.setOnlyCoreApps(mOnlyCore); 8138 pp.setDisplayMetrics(mMetrics); 8139 pp.setCallback(mPackageParserCallback); 8140 8141 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 8142 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 8143 } 8144 8145 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 8146 final PackageParser.Package pkg; 8147 try { 8148 pkg = pp.parsePackage(scanFile, parseFlags); 8149 } catch (PackageParserException e) { 8150 throw PackageManagerException.from(e); 8151 } finally { 8152 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8153 } 8154 8155 // Static shared libraries have synthetic package names 8156 if (pkg.applicationInfo.isStaticSharedLibrary()) { 8157 renameStaticSharedLibraryPackage(pkg); 8158 } 8159 8160 return scanPackageLI(pkg, scanFile, parseFlags, scanFlags, currentTime, user); 8161 } 8162 8163 /** 8164 * Scans a package and returns the newly parsed package. 8165 * @throws PackageManagerException on a parse error. 8166 */ 8167 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, File scanFile, 8168 final int policyFlags, int scanFlags, long currentTime, @Nullable UserHandle user) 8169 throws PackageManagerException { 8170 // If the package has children and this is the first dive in the function 8171 // we scan the package with the SCAN_CHECK_ONLY flag set to see whether all 8172 // packages (parent and children) would be successfully scanned before the 8173 // actual scan since scanning mutates internal state and we want to atomically 8174 // install the package and its children. 8175 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 8176 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 8177 scanFlags |= SCAN_CHECK_ONLY; 8178 } 8179 } else { 8180 scanFlags &= ~SCAN_CHECK_ONLY; 8181 } 8182 8183 // Scan the parent 8184 PackageParser.Package scannedPkg = scanPackageInternalLI(pkg, scanFile, policyFlags, 8185 scanFlags, currentTime, user); 8186 8187 // Scan the children 8188 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 8189 for (int i = 0; i < childCount; i++) { 8190 PackageParser.Package childPackage = pkg.childPackages.get(i); 8191 scanPackageInternalLI(childPackage, scanFile, policyFlags, scanFlags, 8192 currentTime, user); 8193 } 8194 8195 8196 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 8197 return scanPackageLI(pkg, scanFile, policyFlags, scanFlags, currentTime, user); 8198 } 8199 8200 return scannedPkg; 8201 } 8202 8203 /** 8204 * Scans a package and returns the newly parsed package. 8205 * @throws PackageManagerException on a parse error. 8206 */ 8207 private PackageParser.Package scanPackageInternalLI(PackageParser.Package pkg, File scanFile, 8208 int policyFlags, int scanFlags, long currentTime, @Nullable UserHandle user) 8209 throws PackageManagerException { 8210 PackageSetting ps = null; 8211 PackageSetting updatedPkg; 8212 // reader 8213 synchronized (mPackages) { 8214 // Look to see if we already know about this package. 8215 String oldName = mSettings.getRenamedPackageLPr(pkg.packageName); 8216 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 8217 // This package has been renamed to its original name. Let's 8218 // use that. 8219 ps = mSettings.getPackageLPr(oldName); 8220 } 8221 // If there was no original package, see one for the real package name. 8222 if (ps == null) { 8223 ps = mSettings.getPackageLPr(pkg.packageName); 8224 } 8225 // Check to see if this package could be hiding/updating a system 8226 // package. Must look for it either under the original or real 8227 // package name depending on our state. 8228 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 8229 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 8230 8231 // If this is a package we don't know about on the system partition, we 8232 // may need to remove disabled child packages on the system partition 8233 // or may need to not add child packages if the parent apk is updated 8234 // on the data partition and no longer defines this child package. 8235 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 8236 // If this is a parent package for an updated system app and this system 8237 // app got an OTA update which no longer defines some of the child packages 8238 // we have to prune them from the disabled system packages. 8239 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 8240 if (disabledPs != null) { 8241 final int scannedChildCount = (pkg.childPackages != null) 8242 ? pkg.childPackages.size() : 0; 8243 final int disabledChildCount = disabledPs.childPackageNames != null 8244 ? disabledPs.childPackageNames.size() : 0; 8245 for (int i = 0; i < disabledChildCount; i++) { 8246 String disabledChildPackageName = disabledPs.childPackageNames.get(i); 8247 boolean disabledPackageAvailable = false; 8248 for (int j = 0; j < scannedChildCount; j++) { 8249 PackageParser.Package childPkg = pkg.childPackages.get(j); 8250 if (childPkg.packageName.equals(disabledChildPackageName)) { 8251 disabledPackageAvailable = true; 8252 break; 8253 } 8254 } 8255 if (!disabledPackageAvailable) { 8256 mSettings.removeDisabledSystemPackageLPw(disabledChildPackageName); 8257 } 8258 } 8259 } 8260 } 8261 } 8262 8263 final boolean isUpdatedPkg = updatedPkg != null; 8264 final boolean isUpdatedSystemPkg = isUpdatedPkg 8265 && (policyFlags & PackageParser.PARSE_IS_SYSTEM) != 0; 8266 boolean isUpdatedPkgBetter = false; 8267 // First check if this is a system package that may involve an update 8268 if (isUpdatedSystemPkg) { 8269 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 8270 // it needs to drop FLAG_PRIVILEGED. 8271 if (locationIsPrivileged(scanFile)) { 8272 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 8273 } else { 8274 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 8275 } 8276 // If new package is not located in "/oem" (e.g. due to an OTA), 8277 // it needs to drop FLAG_OEM. 8278 if (locationIsOem(scanFile)) { 8279 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_OEM; 8280 } else { 8281 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_OEM; 8282 } 8283 8284 if (ps != null && !ps.codePath.equals(scanFile)) { 8285 // The path has changed from what was last scanned... check the 8286 // version of the new path against what we have stored to determine 8287 // what to do. 8288 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 8289 if (pkg.mVersionCode <= ps.versionCode) { 8290 // The system package has been updated and the code path does not match 8291 // Ignore entry. Skip it. 8292 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 8293 + " ignored: updated version " + ps.versionCode 8294 + " better than this " + pkg.mVersionCode); 8295 if (!updatedPkg.codePath.equals(scanFile)) { 8296 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 8297 + ps.name + " changing from " + updatedPkg.codePathString 8298 + " to " + scanFile); 8299 updatedPkg.codePath = scanFile; 8300 updatedPkg.codePathString = scanFile.toString(); 8301 updatedPkg.resourcePath = scanFile; 8302 updatedPkg.resourcePathString = scanFile.toString(); 8303 } 8304 updatedPkg.pkg = pkg; 8305 updatedPkg.versionCode = pkg.mVersionCode; 8306 8307 // Update the disabled system child packages to point to the package too. 8308 final int childCount = updatedPkg.childPackageNames != null 8309 ? updatedPkg.childPackageNames.size() : 0; 8310 for (int i = 0; i < childCount; i++) { 8311 String childPackageName = updatedPkg.childPackageNames.get(i); 8312 PackageSetting updatedChildPkg = mSettings.getDisabledSystemPkgLPr( 8313 childPackageName); 8314 if (updatedChildPkg != null) { 8315 updatedChildPkg.pkg = pkg; 8316 updatedChildPkg.versionCode = pkg.mVersionCode; 8317 } 8318 } 8319 } else { 8320 // The current app on the system partition is better than 8321 // what we have updated to on the data partition; switch 8322 // back to the system partition version. 8323 // At this point, its safely assumed that package installation for 8324 // apps in system partition will go through. If not there won't be a working 8325 // version of the app 8326 // writer 8327 synchronized (mPackages) { 8328 // Just remove the loaded entries from package lists. 8329 mPackages.remove(ps.name); 8330 } 8331 8332 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 8333 + " reverting from " + ps.codePathString 8334 + ": new version " + pkg.mVersionCode 8335 + " better than installed " + ps.versionCode); 8336 8337 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 8338 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 8339 synchronized (mInstallLock) { 8340 args.cleanUpResourcesLI(); 8341 } 8342 synchronized (mPackages) { 8343 mSettings.enableSystemPackageLPw(ps.name); 8344 } 8345 isUpdatedPkgBetter = true; 8346 } 8347 } 8348 } 8349 8350 String resourcePath = null; 8351 String baseResourcePath = null; 8352 if ((policyFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !isUpdatedPkgBetter) { 8353 if (ps != null && ps.resourcePathString != null) { 8354 resourcePath = ps.resourcePathString; 8355 baseResourcePath = ps.resourcePathString; 8356 } else { 8357 // Should not happen at all. Just log an error. 8358 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 8359 } 8360 } else { 8361 resourcePath = pkg.codePath; 8362 baseResourcePath = pkg.baseCodePath; 8363 } 8364 8365 // Set application objects path explicitly. 8366 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 8367 pkg.setApplicationInfoCodePath(pkg.codePath); 8368 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 8369 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 8370 pkg.setApplicationInfoResourcePath(resourcePath); 8371 pkg.setApplicationInfoBaseResourcePath(baseResourcePath); 8372 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 8373 8374 // throw an exception if we have an update to a system application, but, it's not more 8375 // recent than the package we've already scanned 8376 if (isUpdatedSystemPkg && !isUpdatedPkgBetter) { 8377 // Set CPU Abis to application info. 8378 if ((scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) != 0) { 8379 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, updatedPkg); 8380 derivePackageAbi(pkg, scanFile, cpuAbiOverride, false, mAppLib32InstallDir); 8381 } else { 8382 pkg.applicationInfo.primaryCpuAbi = updatedPkg.primaryCpuAbiString; 8383 pkg.applicationInfo.secondaryCpuAbi = updatedPkg.secondaryCpuAbiString; 8384 } 8385 pkg.mExtras = updatedPkg; 8386 8387 throw new PackageManagerException(Log.WARN, "Package " + ps.name + " at " 8388 + scanFile + " ignored: updated version " + ps.versionCode 8389 + " better than this " + pkg.mVersionCode); 8390 } 8391 8392 if (isUpdatedPkg) { 8393 // An updated system app will not have the PARSE_IS_SYSTEM flag set 8394 // initially 8395 policyFlags |= PackageParser.PARSE_IS_SYSTEM; 8396 8397 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 8398 // flag set initially 8399 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 8400 policyFlags |= PackageParser.PARSE_IS_PRIVILEGED; 8401 } 8402 8403 // An updated OEM app will not have the PARSE_IS_OEM 8404 // flag set initially 8405 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_OEM) != 0) { 8406 policyFlags |= PackageParser.PARSE_IS_OEM; 8407 } 8408 } 8409 8410 // Verify certificates against what was last scanned 8411 collectCertificatesLI(ps, pkg, scanFile, policyFlags); 8412 8413 /* 8414 * A new system app appeared, but we already had a non-system one of the 8415 * same name installed earlier. 8416 */ 8417 boolean shouldHideSystemApp = false; 8418 if (!isUpdatedPkg && ps != null 8419 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 8420 /* 8421 * Check to make sure the signatures match first. If they don't, 8422 * wipe the installed application and its data. 8423 */ 8424 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 8425 != PackageManager.SIGNATURE_MATCH) { 8426 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 8427 + " signatures don't match existing userdata copy; removing"); 8428 try (PackageFreezer freezer = freezePackage(pkg.packageName, 8429 "scanPackageInternalLI")) { 8430 deletePackageLIF(pkg.packageName, null, true, null, 0, null, false, null); 8431 } 8432 ps = null; 8433 } else { 8434 /* 8435 * If the newly-added system app is an older version than the 8436 * already installed version, hide it. It will be scanned later 8437 * and re-added like an update. 8438 */ 8439 if (pkg.mVersionCode <= ps.versionCode) { 8440 shouldHideSystemApp = true; 8441 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 8442 + " but new version " + pkg.mVersionCode + " better than installed " 8443 + ps.versionCode + "; hiding system"); 8444 } else { 8445 /* 8446 * The newly found system app is a newer version that the 8447 * one previously installed. Simply remove the 8448 * already-installed application and replace it with our own 8449 * while keeping the application data. 8450 */ 8451 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 8452 + " reverting from " + ps.codePathString + ": new version " 8453 + pkg.mVersionCode + " better than installed " + ps.versionCode); 8454 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 8455 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 8456 synchronized (mInstallLock) { 8457 args.cleanUpResourcesLI(); 8458 } 8459 } 8460 } 8461 } 8462 8463 // The apk is forward locked (not public) if its code and resources 8464 // are kept in different files. (except for app in either system or 8465 // vendor path). 8466 // TODO grab this value from PackageSettings 8467 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 8468 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 8469 policyFlags |= PackageParser.PARSE_FORWARD_LOCK; 8470 } 8471 } 8472 8473 final int userId = ((user == null) ? 0 : user.getIdentifier()); 8474 if (ps != null && ps.getInstantApp(userId)) { 8475 scanFlags |= SCAN_AS_INSTANT_APP; 8476 } 8477 if (ps != null && ps.getVirtulalPreload(userId)) { 8478 scanFlags |= SCAN_AS_VIRTUAL_PRELOAD; 8479 } 8480 8481 // Note that we invoke the following method only if we are about to unpack an application 8482 PackageParser.Package scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags 8483 | SCAN_UPDATE_SIGNATURE, currentTime, user); 8484 8485 /* 8486 * If the system app should be overridden by a previously installed 8487 * data, hide the system app now and let the /data/app scan pick it up 8488 * again. 8489 */ 8490 if (shouldHideSystemApp) { 8491 synchronized (mPackages) { 8492 mSettings.disableSystemPackageLPw(pkg.packageName, true); 8493 } 8494 } 8495 8496 return scannedPkg; 8497 } 8498 8499 private static void renameStaticSharedLibraryPackage(PackageParser.Package pkg) { 8500 // Derive the new package synthetic package name 8501 pkg.setPackageName(pkg.packageName + STATIC_SHARED_LIB_DELIMITER 8502 + pkg.staticSharedLibVersion); 8503 } 8504 8505 private static String fixProcessName(String defProcessName, 8506 String processName) { 8507 if (processName == null) { 8508 return defProcessName; 8509 } 8510 return processName; 8511 } 8512 8513 /** 8514 * Enforces that only the system UID or root's UID can call a method exposed 8515 * via Binder. 8516 * 8517 * @param message used as message if SecurityException is thrown 8518 * @throws SecurityException if the caller is not system or root 8519 */ 8520 private static final void enforceSystemOrRoot(String message) { 8521 final int uid = Binder.getCallingUid(); 8522 if (uid != Process.SYSTEM_UID && uid != Process.ROOT_UID) { 8523 throw new SecurityException(message); 8524 } 8525 } 8526 8527 @Override 8528 public void performFstrimIfNeeded() { 8529 enforceSystemOrRoot("Only the system can request fstrim"); 8530 8531 // Before everything else, see whether we need to fstrim. 8532 try { 8533 IStorageManager sm = PackageHelper.getStorageManager(); 8534 if (sm != null) { 8535 boolean doTrim = false; 8536 final long interval = android.provider.Settings.Global.getLong( 8537 mContext.getContentResolver(), 8538 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 8539 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 8540 if (interval > 0) { 8541 final long timeSinceLast = System.currentTimeMillis() - sm.lastMaintenance(); 8542 if (timeSinceLast > interval) { 8543 doTrim = true; 8544 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 8545 + "; running immediately"); 8546 } 8547 } 8548 if (doTrim) { 8549 final boolean dexOptDialogShown; 8550 synchronized (mPackages) { 8551 dexOptDialogShown = mDexOptDialogShown; 8552 } 8553 if (!isFirstBoot() && dexOptDialogShown) { 8554 try { 8555 ActivityManager.getService().showBootMessage( 8556 mContext.getResources().getString( 8557 R.string.android_upgrading_fstrim), true); 8558 } catch (RemoteException e) { 8559 } 8560 } 8561 sm.runMaintenance(); 8562 } 8563 } else { 8564 Slog.e(TAG, "storageManager service unavailable!"); 8565 } 8566 } catch (RemoteException e) { 8567 // Can't happen; StorageManagerService is local 8568 } 8569 } 8570 8571 @Override 8572 public void updatePackagesIfNeeded() { 8573 enforceSystemOrRoot("Only the system can request package update"); 8574 8575 // We need to re-extract after an OTA. 8576 boolean causeUpgrade = isUpgrade(); 8577 8578 // First boot or factory reset. 8579 // Note: we also handle devices that are upgrading to N right now as if it is their 8580 // first boot, as they do not have profile data. 8581 boolean causeFirstBoot = isFirstBoot() || mIsPreNUpgrade; 8582 8583 // We need to re-extract after a pruned cache, as AoT-ed files will be out of date. 8584 boolean causePrunedCache = VMRuntime.didPruneDalvikCache(); 8585 8586 if (!causeUpgrade && !causeFirstBoot && !causePrunedCache) { 8587 return; 8588 } 8589 8590 List<PackageParser.Package> pkgs; 8591 synchronized (mPackages) { 8592 pkgs = PackageManagerServiceUtils.getPackagesForDexopt(mPackages.values(), this); 8593 } 8594 8595 final long startTime = System.nanoTime(); 8596 final int[] stats = performDexOptUpgrade(pkgs, mIsPreNUpgrade /* showDialog */, 8597 getCompilerFilterForReason(causeFirstBoot ? REASON_FIRST_BOOT : REASON_BOOT), 8598 false /* bootComplete */); 8599 8600 final int elapsedTimeSeconds = 8601 (int) TimeUnit.NANOSECONDS.toSeconds(System.nanoTime() - startTime); 8602 8603 MetricsLogger.histogram(mContext, "opt_dialog_num_dexopted", stats[0]); 8604 MetricsLogger.histogram(mContext, "opt_dialog_num_skipped", stats[1]); 8605 MetricsLogger.histogram(mContext, "opt_dialog_num_failed", stats[2]); 8606 MetricsLogger.histogram(mContext, "opt_dialog_num_total", getOptimizablePackages().size()); 8607 MetricsLogger.histogram(mContext, "opt_dialog_time_s", elapsedTimeSeconds); 8608 } 8609 8610 /* 8611 * Return the prebuilt profile path given a package base code path. 8612 */ 8613 private static String getPrebuildProfilePath(PackageParser.Package pkg) { 8614 return pkg.baseCodePath + ".prof"; 8615 } 8616 8617 /** 8618 * Performs dexopt on the set of packages in {@code packages} and returns an int array 8619 * containing statistics about the invocation. The array consists of three elements, 8620 * which are (in order) {@code numberOfPackagesOptimized}, {@code numberOfPackagesSkipped} 8621 * and {@code numberOfPackagesFailed}. 8622 */ 8623 private int[] performDexOptUpgrade(List<PackageParser.Package> pkgs, boolean showDialog, 8624 final String compilerFilter, boolean bootComplete) { 8625 8626 int numberOfPackagesVisited = 0; 8627 int numberOfPackagesOptimized = 0; 8628 int numberOfPackagesSkipped = 0; 8629 int numberOfPackagesFailed = 0; 8630 final int numberOfPackagesToDexopt = pkgs.size(); 8631 8632 for (PackageParser.Package pkg : pkgs) { 8633 numberOfPackagesVisited++; 8634 8635 boolean useProfileForDexopt = false; 8636 8637 if ((isFirstBoot() || isUpgrade()) && isSystemApp(pkg)) { 8638 // Copy over initial preopt profiles since we won't get any JIT samples for methods 8639 // that are already compiled. 8640 File profileFile = new File(getPrebuildProfilePath(pkg)); 8641 // Copy profile if it exists. 8642 if (profileFile.exists()) { 8643 try { 8644 // We could also do this lazily before calling dexopt in 8645 // PackageDexOptimizer to prevent this happening on first boot. The issue 8646 // is that we don't have a good way to say "do this only once". 8647 if (!mInstaller.copySystemProfile(profileFile.getAbsolutePath(), 8648 pkg.applicationInfo.uid, pkg.packageName)) { 8649 Log.e(TAG, "Installer failed to copy system profile!"); 8650 } else { 8651 // Disabled as this causes speed-profile compilation during first boot 8652 // even if things are already compiled. 8653 // useProfileForDexopt = true; 8654 } 8655 } catch (Exception e) { 8656 Log.e(TAG, "Failed to copy profile " + profileFile.getAbsolutePath() + " ", 8657 e); 8658 } 8659 } else { 8660 PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(pkg.packageName); 8661 // Handle compressed APKs in this path. Only do this for stubs with profiles to 8662 // minimize the number off apps being speed-profile compiled during first boot. 8663 // The other paths will not change the filter. 8664 if (disabledPs != null && disabledPs.pkg.isStub) { 8665 // The package is the stub one, remove the stub suffix to get the normal 8666 // package and APK names. 8667 String systemProfilePath = 8668 getPrebuildProfilePath(disabledPs.pkg).replace(STUB_SUFFIX, ""); 8669 profileFile = new File(systemProfilePath); 8670 // If we have a profile for a compressed APK, copy it to the reference 8671 // location. 8672 // Note that copying the profile here will cause it to override the 8673 // reference profile every OTA even though the existing reference profile 8674 // may have more data. We can't copy during decompression since the 8675 // directories are not set up at that point. 8676 if (profileFile.exists()) { 8677 try { 8678 // We could also do this lazily before calling dexopt in 8679 // PackageDexOptimizer to prevent this happening on first boot. The 8680 // issue is that we don't have a good way to say "do this only 8681 // once". 8682 if (!mInstaller.copySystemProfile(profileFile.getAbsolutePath(), 8683 pkg.applicationInfo.uid, pkg.packageName)) { 8684 Log.e(TAG, "Failed to copy system profile for stub package!"); 8685 } else { 8686 useProfileForDexopt = true; 8687 } 8688 } catch (Exception e) { 8689 Log.e(TAG, "Failed to copy profile " + 8690 profileFile.getAbsolutePath() + " ", e); 8691 } 8692 } 8693 } 8694 } 8695 } 8696 8697 if (!PackageDexOptimizer.canOptimizePackage(pkg)) { 8698 if (DEBUG_DEXOPT) { 8699 Log.i(TAG, "Skipping update of of non-optimizable app " + pkg.packageName); 8700 } 8701 numberOfPackagesSkipped++; 8702 continue; 8703 } 8704 8705 if (DEBUG_DEXOPT) { 8706 Log.i(TAG, "Updating app " + numberOfPackagesVisited + " of " + 8707 numberOfPackagesToDexopt + ": " + pkg.packageName); 8708 } 8709 8710 if (showDialog) { 8711 try { 8712 ActivityManager.getService().showBootMessage( 8713 mContext.getResources().getString(R.string.android_upgrading_apk, 8714 numberOfPackagesVisited, numberOfPackagesToDexopt), true); 8715 } catch (RemoteException e) { 8716 } 8717 synchronized (mPackages) { 8718 mDexOptDialogShown = true; 8719 } 8720 } 8721 8722 String pkgCompilerFilter = compilerFilter; 8723 if (useProfileForDexopt) { 8724 // Use background dexopt mode to try and use the profile. Note that this does not 8725 // guarantee usage of the profile. 8726 pkgCompilerFilter = 8727 PackageManagerServiceCompilerMapping.getCompilerFilterForReason( 8728 PackageManagerService.REASON_BACKGROUND_DEXOPT); 8729 } 8730 8731 // checkProfiles is false to avoid merging profiles during boot which 8732 // might interfere with background compilation (b/28612421). 8733 // Unfortunately this will also means that "pm.dexopt.boot=speed-profile" will 8734 // behave differently than "pm.dexopt.bg-dexopt=speed-profile" but that's a 8735 // trade-off worth doing to save boot time work. 8736 int dexoptFlags = bootComplete ? DexoptOptions.DEXOPT_BOOT_COMPLETE : 0; 8737 int primaryDexOptStaus = performDexOptTraced(new DexoptOptions( 8738 pkg.packageName, 8739 pkgCompilerFilter, 8740 dexoptFlags)); 8741 8742 switch (primaryDexOptStaus) { 8743 case PackageDexOptimizer.DEX_OPT_PERFORMED: 8744 numberOfPackagesOptimized++; 8745 break; 8746 case PackageDexOptimizer.DEX_OPT_SKIPPED: 8747 numberOfPackagesSkipped++; 8748 break; 8749 case PackageDexOptimizer.DEX_OPT_FAILED: 8750 numberOfPackagesFailed++; 8751 break; 8752 default: 8753 Log.e(TAG, "Unexpected dexopt return code " + primaryDexOptStaus); 8754 break; 8755 } 8756 } 8757 8758 return new int[] { numberOfPackagesOptimized, numberOfPackagesSkipped, 8759 numberOfPackagesFailed }; 8760 } 8761 8762 @Override 8763 public void notifyPackageUse(String packageName, int reason) { 8764 synchronized (mPackages) { 8765 final int callingUid = Binder.getCallingUid(); 8766 final int callingUserId = UserHandle.getUserId(callingUid); 8767 if (getInstantAppPackageName(callingUid) != null) { 8768 if (!isCallerSameApp(packageName, callingUid)) { 8769 return; 8770 } 8771 } else { 8772 if (isInstantApp(packageName, callingUserId)) { 8773 return; 8774 } 8775 } 8776 notifyPackageUseLocked(packageName, reason); 8777 } 8778 } 8779 8780 private void notifyPackageUseLocked(String packageName, int reason) { 8781 final PackageParser.Package p = mPackages.get(packageName); 8782 if (p == null) { 8783 return; 8784 } 8785 p.mLastPackageUsageTimeInMills[reason] = System.currentTimeMillis(); 8786 } 8787 8788 @Override 8789 public void notifyDexLoad(String loadingPackageName, List<String> classLoaderNames, 8790 List<String> classPaths, String loaderIsa) { 8791 int userId = UserHandle.getCallingUserId(); 8792 ApplicationInfo ai = getApplicationInfo(loadingPackageName, /*flags*/ 0, userId); 8793 if (ai == null) { 8794 Slog.w(TAG, "Loading a package that does not exist for the calling user. package=" 8795 + loadingPackageName + ", user=" + userId); 8796 return; 8797 } 8798 mDexManager.notifyDexLoad(ai, classLoaderNames, classPaths, loaderIsa, userId); 8799 } 8800 8801 @Override 8802 public void registerDexModule(String packageName, String dexModulePath, boolean isSharedModule, 8803 IDexModuleRegisterCallback callback) { 8804 int userId = UserHandle.getCallingUserId(); 8805 ApplicationInfo ai = getApplicationInfo(packageName, /*flags*/ 0, userId); 8806 DexManager.RegisterDexModuleResult result; 8807 if (ai == null) { 8808 Slog.w(TAG, "Registering a dex module for a package that does not exist for the" + 8809 " calling user. package=" + packageName + ", user=" + userId); 8810 result = new DexManager.RegisterDexModuleResult(false, "Package not installed"); 8811 } else { 8812 result = mDexManager.registerDexModule(ai, dexModulePath, isSharedModule, userId); 8813 } 8814 8815 if (callback != null) { 8816 mHandler.post(() -> { 8817 try { 8818 callback.onDexModuleRegistered(dexModulePath, result.success, result.message); 8819 } catch (RemoteException e) { 8820 Slog.w(TAG, "Failed to callback after module registration " + dexModulePath, e); 8821 } 8822 }); 8823 } 8824 } 8825 8826 /** 8827 * Ask the package manager to perform a dex-opt with the given compiler filter. 8828 * 8829 * Note: exposed only for the shell command to allow moving packages explicitly to a 8830 * definite state. 8831 */ 8832 @Override 8833 public boolean performDexOptMode(String packageName, 8834 boolean checkProfiles, String targetCompilerFilter, boolean force, 8835 boolean bootComplete, String splitName) { 8836 int flags = (checkProfiles ? DexoptOptions.DEXOPT_CHECK_FOR_PROFILES_UPDATES : 0) | 8837 (force ? DexoptOptions.DEXOPT_FORCE : 0) | 8838 (bootComplete ? DexoptOptions.DEXOPT_BOOT_COMPLETE : 0); 8839 return performDexOpt(new DexoptOptions(packageName, targetCompilerFilter, 8840 splitName, flags)); 8841 } 8842 8843 /** 8844 * Ask the package manager to perform a dex-opt with the given compiler filter on the 8845 * secondary dex files belonging to the given package. 8846 * 8847 * Note: exposed only for the shell command to allow moving packages explicitly to a 8848 * definite state. 8849 */ 8850 @Override 8851 public boolean performDexOptSecondary(String packageName, String compilerFilter, 8852 boolean force) { 8853 int flags = DexoptOptions.DEXOPT_ONLY_SECONDARY_DEX | 8854 DexoptOptions.DEXOPT_CHECK_FOR_PROFILES_UPDATES | 8855 DexoptOptions.DEXOPT_BOOT_COMPLETE | 8856 (force ? DexoptOptions.DEXOPT_FORCE : 0); 8857 return performDexOpt(new DexoptOptions(packageName, compilerFilter, flags)); 8858 } 8859 8860 /*package*/ boolean performDexOpt(DexoptOptions options) { 8861 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 8862 return false; 8863 } else if (isInstantApp(options.getPackageName(), UserHandle.getCallingUserId())) { 8864 return false; 8865 } 8866 8867 if (options.isDexoptOnlySecondaryDex()) { 8868 return mDexManager.dexoptSecondaryDex(options); 8869 } else { 8870 int dexoptStatus = performDexOptWithStatus(options); 8871 return dexoptStatus != PackageDexOptimizer.DEX_OPT_FAILED; 8872 } 8873 } 8874 8875 /** 8876 * Perform dexopt on the given package and return one of following result: 8877 * {@link PackageDexOptimizer#DEX_OPT_SKIPPED} 8878 * {@link PackageDexOptimizer#DEX_OPT_PERFORMED} 8879 * {@link PackageDexOptimizer#DEX_OPT_FAILED} 8880 */ 8881 /* package */ int performDexOptWithStatus(DexoptOptions options) { 8882 return performDexOptTraced(options); 8883 } 8884 8885 private int performDexOptTraced(DexoptOptions options) { 8886 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 8887 try { 8888 return performDexOptInternal(options); 8889 } finally { 8890 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8891 } 8892 } 8893 8894 // Run dexopt on a given package. Returns true if dexopt did not fail, i.e. 8895 // if the package can now be considered up to date for the given filter. 8896 private int performDexOptInternal(DexoptOptions options) { 8897 PackageParser.Package p; 8898 synchronized (mPackages) { 8899 p = mPackages.get(options.getPackageName()); 8900 if (p == null) { 8901 // Package could not be found. Report failure. 8902 return PackageDexOptimizer.DEX_OPT_FAILED; 8903 } 8904 mPackageUsage.maybeWriteAsync(mPackages); 8905 mCompilerStats.maybeWriteAsync(); 8906 } 8907 long callingId = Binder.clearCallingIdentity(); 8908 try { 8909 synchronized (mInstallLock) { 8910 return performDexOptInternalWithDependenciesLI(p, options); 8911 } 8912 } finally { 8913 Binder.restoreCallingIdentity(callingId); 8914 } 8915 } 8916 8917 public ArraySet<String> getOptimizablePackages() { 8918 ArraySet<String> pkgs = new ArraySet<String>(); 8919 synchronized (mPackages) { 8920 for (PackageParser.Package p : mPackages.values()) { 8921 if (PackageDexOptimizer.canOptimizePackage(p)) { 8922 pkgs.add(p.packageName); 8923 } 8924 } 8925 } 8926 return pkgs; 8927 } 8928 8929 private int performDexOptInternalWithDependenciesLI(PackageParser.Package p, 8930 DexoptOptions options) { 8931 // Select the dex optimizer based on the force parameter. 8932 // Note: The force option is rarely used (cmdline input for testing, mostly), so it's OK to 8933 // allocate an object here. 8934 PackageDexOptimizer pdo = options.isForce() 8935 ? new PackageDexOptimizer.ForcedUpdatePackageDexOptimizer(mPackageDexOptimizer) 8936 : mPackageDexOptimizer; 8937 8938 // Dexopt all dependencies first. Note: we ignore the return value and march on 8939 // on errors. 8940 // Note that we are going to call performDexOpt on those libraries as many times as 8941 // they are referenced in packages. When we do a batch of performDexOpt (for example 8942 // at boot, or background job), the passed 'targetCompilerFilter' stays the same, 8943 // and the first package that uses the library will dexopt it. The 8944 // others will see that the compiled code for the library is up to date. 8945 Collection<PackageParser.Package> deps = findSharedNonSystemLibraries(p); 8946 final String[] instructionSets = getAppDexInstructionSets(p.applicationInfo); 8947 if (!deps.isEmpty()) { 8948 DexoptOptions libraryOptions = new DexoptOptions(options.getPackageName(), 8949 options.getCompilerFilter(), options.getSplitName(), 8950 options.getFlags() | DexoptOptions.DEXOPT_AS_SHARED_LIBRARY); 8951 for (PackageParser.Package depPackage : deps) { 8952 // TODO: Analyze and investigate if we (should) profile libraries. 8953 pdo.performDexOpt(depPackage, null /* sharedLibraries */, instructionSets, 8954 getOrCreateCompilerPackageStats(depPackage), 8955 mDexManager.getPackageUseInfoOrDefault(depPackage.packageName), libraryOptions); 8956 } 8957 } 8958 return pdo.performDexOpt(p, p.usesLibraryFiles, instructionSets, 8959 getOrCreateCompilerPackageStats(p), 8960 mDexManager.getPackageUseInfoOrDefault(p.packageName), options); 8961 } 8962 8963 /** 8964 * Reconcile the information we have about the secondary dex files belonging to 8965 * {@code packagName} and the actual dex files. For all dex files that were 8966 * deleted, update the internal records and delete the generated oat files. 8967 */ 8968 @Override 8969 public void reconcileSecondaryDexFiles(String packageName) { 8970 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 8971 return; 8972 } else if (isInstantApp(packageName, UserHandle.getCallingUserId())) { 8973 return; 8974 } 8975 mDexManager.reconcileSecondaryDexFiles(packageName); 8976 } 8977 8978 // TODO(calin): this is only needed for BackgroundDexOptService. Find a cleaner way to inject 8979 // a reference there. 8980 /*package*/ DexManager getDexManager() { 8981 return mDexManager; 8982 } 8983 8984 /** 8985 * Execute the background dexopt job immediately. 8986 */ 8987 @Override 8988 public boolean runBackgroundDexoptJob() { 8989 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 8990 return false; 8991 } 8992 return BackgroundDexOptService.runIdleOptimizationsNow(this, mContext); 8993 } 8994 8995 List<PackageParser.Package> findSharedNonSystemLibraries(PackageParser.Package p) { 8996 if (p.usesLibraries != null || p.usesOptionalLibraries != null 8997 || p.usesStaticLibraries != null) { 8998 ArrayList<PackageParser.Package> retValue = new ArrayList<>(); 8999 Set<String> collectedNames = new HashSet<>(); 9000 findSharedNonSystemLibrariesRecursive(p, retValue, collectedNames); 9001 9002 retValue.remove(p); 9003 9004 return retValue; 9005 } else { 9006 return Collections.emptyList(); 9007 } 9008 } 9009 9010 private void findSharedNonSystemLibrariesRecursive(PackageParser.Package p, 9011 ArrayList<PackageParser.Package> collected, Set<String> collectedNames) { 9012 if (!collectedNames.contains(p.packageName)) { 9013 collectedNames.add(p.packageName); 9014 collected.add(p); 9015 9016 if (p.usesLibraries != null) { 9017 findSharedNonSystemLibrariesRecursive(p.usesLibraries, 9018 null, collected, collectedNames); 9019 } 9020 if (p.usesOptionalLibraries != null) { 9021 findSharedNonSystemLibrariesRecursive(p.usesOptionalLibraries, 9022 null, collected, collectedNames); 9023 } 9024 if (p.usesStaticLibraries != null) { 9025 findSharedNonSystemLibrariesRecursive(p.usesStaticLibraries, 9026 p.usesStaticLibrariesVersions, collected, collectedNames); 9027 } 9028 } 9029 } 9030 9031 private void findSharedNonSystemLibrariesRecursive(ArrayList<String> libs, int[] versions, 9032 ArrayList<PackageParser.Package> collected, Set<String> collectedNames) { 9033 final int libNameCount = libs.size(); 9034 for (int i = 0; i < libNameCount; i++) { 9035 String libName = libs.get(i); 9036 int version = (versions != null && versions.length == libNameCount) 9037 ? versions[i] : PackageManager.VERSION_CODE_HIGHEST; 9038 PackageParser.Package libPkg = findSharedNonSystemLibrary(libName, version); 9039 if (libPkg != null) { 9040 findSharedNonSystemLibrariesRecursive(libPkg, collected, collectedNames); 9041 } 9042 } 9043 } 9044 9045 private PackageParser.Package findSharedNonSystemLibrary(String name, int version) { 9046 synchronized (mPackages) { 9047 SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(name, version); 9048 if (libEntry != null) { 9049 return mPackages.get(libEntry.apk); 9050 } 9051 return null; 9052 } 9053 } 9054 9055 private SharedLibraryEntry getSharedLibraryEntryLPr(String name, int version) { 9056 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 9057 if (versionedLib == null) { 9058 return null; 9059 } 9060 return versionedLib.get(version); 9061 } 9062 9063 private SharedLibraryEntry getLatestSharedLibraVersionLPr(PackageParser.Package pkg) { 9064 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get( 9065 pkg.staticSharedLibName); 9066 if (versionedLib == null) { 9067 return null; 9068 } 9069 int previousLibVersion = -1; 9070 final int versionCount = versionedLib.size(); 9071 for (int i = 0; i < versionCount; i++) { 9072 final int libVersion = versionedLib.keyAt(i); 9073 if (libVersion < pkg.staticSharedLibVersion) { 9074 previousLibVersion = Math.max(previousLibVersion, libVersion); 9075 } 9076 } 9077 if (previousLibVersion >= 0) { 9078 return versionedLib.get(previousLibVersion); 9079 } 9080 return null; 9081 } 9082 9083 public void shutdown() { 9084 mPackageUsage.writeNow(mPackages); 9085 mCompilerStats.writeNow(); 9086 mDexManager.writePackageDexUsageNow(); 9087 } 9088 9089 @Override 9090 public void dumpProfiles(String packageName) { 9091 PackageParser.Package pkg; 9092 synchronized (mPackages) { 9093 pkg = mPackages.get(packageName); 9094 if (pkg == null) { 9095 throw new IllegalArgumentException("Unknown package: " + packageName); 9096 } 9097 } 9098 /* Only the shell, root, or the app user should be able to dump profiles. */ 9099 int callingUid = Binder.getCallingUid(); 9100 if (callingUid != Process.SHELL_UID && 9101 callingUid != Process.ROOT_UID && 9102 callingUid != pkg.applicationInfo.uid) { 9103 throw new SecurityException("dumpProfiles"); 9104 } 9105 9106 synchronized (mInstallLock) { 9107 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dump profiles"); 9108 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 9109 try { 9110 List<String> allCodePaths = pkg.getAllCodePathsExcludingResourceOnly(); 9111 String codePaths = TextUtils.join(";", allCodePaths); 9112 mInstaller.dumpProfiles(sharedGid, packageName, codePaths); 9113 } catch (InstallerException e) { 9114 Slog.w(TAG, "Failed to dump profiles", e); 9115 } 9116 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9117 } 9118 } 9119 9120 @Override 9121 public void forceDexOpt(String packageName) { 9122 enforceSystemOrRoot("forceDexOpt"); 9123 9124 PackageParser.Package pkg; 9125 synchronized (mPackages) { 9126 pkg = mPackages.get(packageName); 9127 if (pkg == null) { 9128 throw new IllegalArgumentException("Unknown package: " + packageName); 9129 } 9130 } 9131 9132 synchronized (mInstallLock) { 9133 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 9134 9135 // Whoever is calling forceDexOpt wants a compiled package. 9136 // Don't use profiles since that may cause compilation to be skipped. 9137 final int res = performDexOptInternalWithDependenciesLI( 9138 pkg, 9139 new DexoptOptions(packageName, 9140 getDefaultCompilerFilter(), 9141 DexoptOptions.DEXOPT_FORCE | DexoptOptions.DEXOPT_BOOT_COMPLETE)); 9142 9143 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9144 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 9145 throw new IllegalStateException("Failed to dexopt: " + res); 9146 } 9147 } 9148 } 9149 9150 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 9151 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 9152 Slog.w(TAG, "Unable to update from " + oldPkg.name 9153 + " to " + newPkg.packageName 9154 + ": old package not in system partition"); 9155 return false; 9156 } else if (mPackages.get(oldPkg.name) != null) { 9157 Slog.w(TAG, "Unable to update from " + oldPkg.name 9158 + " to " + newPkg.packageName 9159 + ": old package still exists"); 9160 return false; 9161 } 9162 return true; 9163 } 9164 9165 void removeCodePathLI(File codePath) { 9166 if (codePath.isDirectory()) { 9167 try { 9168 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 9169 } catch (InstallerException e) { 9170 Slog.w(TAG, "Failed to remove code path", e); 9171 } 9172 } else { 9173 codePath.delete(); 9174 } 9175 } 9176 9177 private int[] resolveUserIds(int userId) { 9178 return (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() : new int[] { userId }; 9179 } 9180 9181 private void clearAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 9182 if (pkg == null) { 9183 Slog.wtf(TAG, "Package was null!", new Throwable()); 9184 return; 9185 } 9186 clearAppDataLeafLIF(pkg, userId, flags); 9187 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9188 for (int i = 0; i < childCount; i++) { 9189 clearAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 9190 } 9191 } 9192 9193 private void clearAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 9194 final PackageSetting ps; 9195 synchronized (mPackages) { 9196 ps = mSettings.mPackages.get(pkg.packageName); 9197 } 9198 for (int realUserId : resolveUserIds(userId)) { 9199 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 9200 try { 9201 mInstaller.clearAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 9202 ceDataInode); 9203 } catch (InstallerException e) { 9204 Slog.w(TAG, String.valueOf(e)); 9205 } 9206 } 9207 } 9208 9209 private void destroyAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 9210 if (pkg == null) { 9211 Slog.wtf(TAG, "Package was null!", new Throwable()); 9212 return; 9213 } 9214 destroyAppDataLeafLIF(pkg, userId, flags); 9215 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9216 for (int i = 0; i < childCount; i++) { 9217 destroyAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 9218 } 9219 } 9220 9221 private void destroyAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 9222 final PackageSetting ps; 9223 synchronized (mPackages) { 9224 ps = mSettings.mPackages.get(pkg.packageName); 9225 } 9226 for (int realUserId : resolveUserIds(userId)) { 9227 final long ceDataInode = (ps != null) ? ps.getCeDataInode(realUserId) : 0; 9228 try { 9229 mInstaller.destroyAppData(pkg.volumeUuid, pkg.packageName, realUserId, flags, 9230 ceDataInode); 9231 } catch (InstallerException e) { 9232 Slog.w(TAG, String.valueOf(e)); 9233 } 9234 mDexManager.notifyPackageDataDestroyed(pkg.packageName, userId); 9235 } 9236 } 9237 9238 private void destroyAppProfilesLIF(PackageParser.Package pkg, int userId) { 9239 if (pkg == null) { 9240 Slog.wtf(TAG, "Package was null!", new Throwable()); 9241 return; 9242 } 9243 destroyAppProfilesLeafLIF(pkg); 9244 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9245 for (int i = 0; i < childCount; i++) { 9246 destroyAppProfilesLeafLIF(pkg.childPackages.get(i)); 9247 } 9248 } 9249 9250 private void destroyAppProfilesLeafLIF(PackageParser.Package pkg) { 9251 try { 9252 mInstaller.destroyAppProfiles(pkg.packageName); 9253 } catch (InstallerException e) { 9254 Slog.w(TAG, String.valueOf(e)); 9255 } 9256 } 9257 9258 private void clearAppProfilesLIF(PackageParser.Package pkg, int userId) { 9259 if (pkg == null) { 9260 Slog.wtf(TAG, "Package was null!", new Throwable()); 9261 return; 9262 } 9263 clearAppProfilesLeafLIF(pkg); 9264 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9265 for (int i = 0; i < childCount; i++) { 9266 clearAppProfilesLeafLIF(pkg.childPackages.get(i)); 9267 } 9268 } 9269 9270 private void clearAppProfilesLeafLIF(PackageParser.Package pkg) { 9271 try { 9272 mInstaller.clearAppProfiles(pkg.packageName); 9273 } catch (InstallerException e) { 9274 Slog.w(TAG, String.valueOf(e)); 9275 } 9276 } 9277 9278 private void setInstallAndUpdateTime(PackageParser.Package pkg, long firstInstallTime, 9279 long lastUpdateTime) { 9280 // Set parent install/update time 9281 PackageSetting ps = (PackageSetting) pkg.mExtras; 9282 if (ps != null) { 9283 ps.firstInstallTime = firstInstallTime; 9284 ps.lastUpdateTime = lastUpdateTime; 9285 } 9286 // Set children install/update time 9287 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9288 for (int i = 0; i < childCount; i++) { 9289 PackageParser.Package childPkg = pkg.childPackages.get(i); 9290 ps = (PackageSetting) childPkg.mExtras; 9291 if (ps != null) { 9292 ps.firstInstallTime = firstInstallTime; 9293 ps.lastUpdateTime = lastUpdateTime; 9294 } 9295 } 9296 } 9297 9298 private void addSharedLibraryLPr(Set<String> usesLibraryFiles, 9299 SharedLibraryEntry file, 9300 PackageParser.Package changingLib) { 9301 if (file.path != null) { 9302 usesLibraryFiles.add(file.path); 9303 return; 9304 } 9305 PackageParser.Package p = mPackages.get(file.apk); 9306 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 9307 // If we are doing this while in the middle of updating a library apk, 9308 // then we need to make sure to use that new apk for determining the 9309 // dependencies here. (We haven't yet finished committing the new apk 9310 // to the package manager state.) 9311 if (p == null || p.packageName.equals(changingLib.packageName)) { 9312 p = changingLib; 9313 } 9314 } 9315 if (p != null) { 9316 usesLibraryFiles.addAll(p.getAllCodePaths()); 9317 if (p.usesLibraryFiles != null) { 9318 Collections.addAll(usesLibraryFiles, p.usesLibraryFiles); 9319 } 9320 } 9321 } 9322 9323 private void updateSharedLibrariesLPr(PackageParser.Package pkg, 9324 PackageParser.Package changingLib) throws PackageManagerException { 9325 if (pkg == null) { 9326 return; 9327 } 9328 // The collection used here must maintain the order of addition (so 9329 // that libraries are searched in the correct order) and must have no 9330 // duplicates. 9331 Set<String> usesLibraryFiles = null; 9332 if (pkg.usesLibraries != null) { 9333 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesLibraries, 9334 null, null, pkg.packageName, changingLib, true, 9335 pkg.applicationInfo.targetSdkVersion, null); 9336 } 9337 if (pkg.usesStaticLibraries != null) { 9338 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesStaticLibraries, 9339 pkg.usesStaticLibrariesVersions, pkg.usesStaticLibrariesCertDigests, 9340 pkg.packageName, changingLib, true, 9341 pkg.applicationInfo.targetSdkVersion, usesLibraryFiles); 9342 } 9343 if (pkg.usesOptionalLibraries != null) { 9344 usesLibraryFiles = addSharedLibrariesLPw(pkg.usesOptionalLibraries, 9345 null, null, pkg.packageName, changingLib, false, 9346 pkg.applicationInfo.targetSdkVersion, usesLibraryFiles); 9347 } 9348 if (!ArrayUtils.isEmpty(usesLibraryFiles)) { 9349 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[usesLibraryFiles.size()]); 9350 } else { 9351 pkg.usesLibraryFiles = null; 9352 } 9353 } 9354 9355 private Set<String> addSharedLibrariesLPw(@NonNull List<String> requestedLibraries, 9356 @Nullable int[] requiredVersions, @Nullable String[][] requiredCertDigests, 9357 @NonNull String packageName, @Nullable PackageParser.Package changingLib, 9358 boolean required, int targetSdk, @Nullable Set<String> outUsedLibraries) 9359 throws PackageManagerException { 9360 final int libCount = requestedLibraries.size(); 9361 for (int i = 0; i < libCount; i++) { 9362 final String libName = requestedLibraries.get(i); 9363 final int libVersion = requiredVersions != null ? requiredVersions[i] 9364 : SharedLibraryInfo.VERSION_UNDEFINED; 9365 final SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(libName, libVersion); 9366 if (libEntry == null) { 9367 if (required) { 9368 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 9369 "Package " + packageName + " requires unavailable shared library " 9370 + libName + "; failing!"); 9371 } else if (DEBUG_SHARED_LIBRARIES) { 9372 Slog.i(TAG, "Package " + packageName 9373 + " desires unavailable shared library " 9374 + libName + "; ignoring!"); 9375 } 9376 } else { 9377 if (requiredVersions != null && requiredCertDigests != null) { 9378 if (libEntry.info.getVersion() != requiredVersions[i]) { 9379 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 9380 "Package " + packageName + " requires unavailable static shared" 9381 + " library " + libName + " version " 9382 + libEntry.info.getVersion() + "; failing!"); 9383 } 9384 9385 PackageParser.Package libPkg = mPackages.get(libEntry.apk); 9386 if (libPkg == null) { 9387 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 9388 "Package " + packageName + " requires unavailable static shared" 9389 + " library; failing!"); 9390 } 9391 9392 final String[] expectedCertDigests = requiredCertDigests[i]; 9393 // For apps targeting O MR1 we require explicit enumeration of all certs. 9394 final String[] libCertDigests = (targetSdk > Build.VERSION_CODES.O) 9395 ? PackageUtils.computeSignaturesSha256Digests(libPkg.mSignatures) 9396 : PackageUtils.computeSignaturesSha256Digests( 9397 new Signature[]{libPkg.mSignatures[0]}); 9398 9399 // Take a shortcut if sizes don't match. Note that if an app doesn't 9400 // target O we don't parse the "additional-certificate" tags similarly 9401 // how we only consider all certs only for apps targeting O (see above). 9402 // Therefore, the size check is safe to make. 9403 if (expectedCertDigests.length != libCertDigests.length) { 9404 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 9405 "Package " + packageName + " requires differently signed" + 9406 " static sDexLoadReporter.java:45.19hared library; failing!"); 9407 } 9408 9409 // Use a predictable order as signature order may vary 9410 Arrays.sort(libCertDigests); 9411 Arrays.sort(expectedCertDigests); 9412 9413 final int certCount = libCertDigests.length; 9414 for (int j = 0; j < certCount; j++) { 9415 if (!libCertDigests[j].equalsIgnoreCase(expectedCertDigests[j])) { 9416 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 9417 "Package " + packageName + " requires differently signed" + 9418 " static shared library; failing!"); 9419 } 9420 } 9421 } 9422 9423 if (outUsedLibraries == null) { 9424 // Use LinkedHashSet to preserve the order of files added to 9425 // usesLibraryFiles while eliminating duplicates. 9426 outUsedLibraries = new LinkedHashSet<>(); 9427 } 9428 addSharedLibraryLPr(outUsedLibraries, libEntry, changingLib); 9429 } 9430 } 9431 return outUsedLibraries; 9432 } 9433 9434 private static boolean hasString(List<String> list, List<String> which) { 9435 if (list == null) { 9436 return false; 9437 } 9438 for (int i=list.size()-1; i>=0; i--) { 9439 for (int j=which.size()-1; j>=0; j--) { 9440 if (which.get(j).equals(list.get(i))) { 9441 return true; 9442 } 9443 } 9444 } 9445 return false; 9446 } 9447 9448 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 9449 PackageParser.Package changingPkg) { 9450 ArrayList<PackageParser.Package> res = null; 9451 for (PackageParser.Package pkg : mPackages.values()) { 9452 if (changingPkg != null 9453 && !hasString(pkg.usesLibraries, changingPkg.libraryNames) 9454 && !hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames) 9455 && !ArrayUtils.contains(pkg.usesStaticLibraries, 9456 changingPkg.staticSharedLibName)) { 9457 return null; 9458 } 9459 if (res == null) { 9460 res = new ArrayList<>(); 9461 } 9462 res.add(pkg); 9463 try { 9464 updateSharedLibrariesLPr(pkg, changingPkg); 9465 } catch (PackageManagerException e) { 9466 // If a system app update or an app and a required lib missing we 9467 // delete the package and for updated system apps keep the data as 9468 // it is better for the user to reinstall than to be in an limbo 9469 // state. Also libs disappearing under an app should never happen 9470 // - just in case. 9471 if (!pkg.isSystem() || pkg.isUpdatedSystemApp()) { 9472 final int flags = pkg.isUpdatedSystemApp() 9473 ? PackageManager.DELETE_KEEP_DATA : 0; 9474 deletePackageLIF(pkg.packageName, null, true, sUserManager.getUserIds(), 9475 flags , null, true, null); 9476 } 9477 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 9478 } 9479 } 9480 return res; 9481 } 9482 9483 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, 9484 final int policyFlags, int scanFlags, long currentTime, @Nullable UserHandle user) 9485 throws PackageManagerException { 9486 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 9487 // If the package has children and this is the first dive in the function 9488 // we recursively scan the package with the SCAN_CHECK_ONLY flag set to see 9489 // whether all packages (parent and children) would be successfully scanned 9490 // before the actual scan since scanning mutates internal state and we want 9491 // to atomically install the package and its children. 9492 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 9493 if (pkg.childPackages != null && pkg.childPackages.size() > 0) { 9494 scanFlags |= SCAN_CHECK_ONLY; 9495 } 9496 } else { 9497 scanFlags &= ~SCAN_CHECK_ONLY; 9498 } 9499 9500 final PackageParser.Package scannedPkg; 9501 try { 9502 // Scan the parent 9503 scannedPkg = scanPackageLI(pkg, policyFlags, scanFlags, currentTime, user); 9504 // Scan the children 9505 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 9506 for (int i = 0; i < childCount; i++) { 9507 PackageParser.Package childPkg = pkg.childPackages.get(i); 9508 scanPackageLI(childPkg, policyFlags, 9509 scanFlags, currentTime, user); 9510 } 9511 } finally { 9512 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9513 } 9514 9515 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 9516 return scanPackageTracedLI(pkg, policyFlags, scanFlags, currentTime, user); 9517 } 9518 9519 return scannedPkg; 9520 } 9521 9522 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, final int policyFlags, 9523 int scanFlags, long currentTime, @Nullable UserHandle user) 9524 throws PackageManagerException { 9525 boolean success = false; 9526 try { 9527 final PackageParser.Package res = scanPackageDirtyLI(pkg, policyFlags, scanFlags, 9528 currentTime, user); 9529 success = true; 9530 return res; 9531 } finally { 9532 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 9533 // DELETE_DATA_ON_FAILURES is only used by frozen paths 9534 destroyAppDataLIF(pkg, UserHandle.USER_ALL, 9535 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 9536 destroyAppProfilesLIF(pkg, UserHandle.USER_ALL); 9537 } 9538 } 9539 } 9540 9541 /** 9542 * Returns {@code true} if the given file contains code. Otherwise {@code false}. 9543 */ 9544 private static boolean apkHasCode(String fileName) { 9545 StrictJarFile jarFile = null; 9546 try { 9547 jarFile = new StrictJarFile(fileName, 9548 false /*verify*/, false /*signatureSchemeRollbackProtectionsEnforced*/); 9549 return jarFile.findEntry("classes.dex") != null; 9550 } catch (IOException ignore) { 9551 } finally { 9552 try { 9553 if (jarFile != null) { 9554 jarFile.close(); 9555 } 9556 } catch (IOException ignore) {} 9557 } 9558 return false; 9559 } 9560 9561 /** 9562 * Enforces code policy for the package. This ensures that if an APK has 9563 * declared hasCode="true" in its manifest that the APK actually contains 9564 * code. 9565 * 9566 * @throws PackageManagerException If bytecode could not be found when it should exist 9567 */ 9568 private static void assertCodePolicy(PackageParser.Package pkg) 9569 throws PackageManagerException { 9570 final boolean shouldHaveCode = 9571 (pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) != 0; 9572 if (shouldHaveCode && !apkHasCode(pkg.baseCodePath)) { 9573 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 9574 "Package " + pkg.baseCodePath + " code is missing"); 9575 } 9576 9577 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 9578 for (int i = 0; i < pkg.splitCodePaths.length; i++) { 9579 final boolean splitShouldHaveCode = 9580 (pkg.splitFlags[i] & ApplicationInfo.FLAG_HAS_CODE) != 0; 9581 if (splitShouldHaveCode && !apkHasCode(pkg.splitCodePaths[i])) { 9582 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 9583 "Package " + pkg.splitCodePaths[i] + " code is missing"); 9584 } 9585 } 9586 } 9587 } 9588 9589 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, 9590 final int policyFlags, final int scanFlags, long currentTime, @Nullable UserHandle user) 9591 throws PackageManagerException { 9592 if (DEBUG_PACKAGE_SCANNING) { 9593 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 9594 Log.d(TAG, "Scanning package " + pkg.packageName); 9595 } 9596 9597 applyPolicy(pkg, policyFlags); 9598 9599 assertPackageIsValid(pkg, policyFlags, scanFlags); 9600 9601 if (Build.IS_DEBUGGABLE && 9602 pkg.isPrivileged() && 9603 SystemProperties.getBoolean(PROPERTY_NAME_PM_DEXOPT_PRIV_APPS_OOB, false)) { 9604 PackageManagerServiceUtils.logPackageHasUncompressedCode(pkg); 9605 } 9606 9607 // Initialize package source and resource directories 9608 final File scanFile = new File(pkg.codePath); 9609 final File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 9610 final File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 9611 9612 SharedUserSetting suid = null; 9613 PackageSetting pkgSetting = null; 9614 9615 // Getting the package setting may have a side-effect, so if we 9616 // are only checking if scan would succeed, stash a copy of the 9617 // old setting to restore at the end. 9618 PackageSetting nonMutatedPs = null; 9619 9620 // We keep references to the derived CPU Abis from settings in oder to reuse 9621 // them in the case where we're not upgrading or booting for the first time. 9622 String primaryCpuAbiFromSettings = null; 9623 String secondaryCpuAbiFromSettings = null; 9624 9625 // writer 9626 synchronized (mPackages) { 9627 if (pkg.mSharedUserId != null) { 9628 // SIDE EFFECTS; may potentially allocate a new shared user 9629 suid = mSettings.getSharedUserLPw( 9630 pkg.mSharedUserId, 0 /*pkgFlags*/, 0 /*pkgPrivateFlags*/, true /*create*/); 9631 if (DEBUG_PACKAGE_SCANNING) { 9632 if ((policyFlags & PackageParser.PARSE_CHATTY) != 0) 9633 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 9634 + "): packages=" + suid.packages); 9635 } 9636 } 9637 9638 // Check if we are renaming from an original package name. 9639 PackageSetting origPackage = null; 9640 String realName = null; 9641 if (pkg.mOriginalPackages != null) { 9642 // This package may need to be renamed to a previously 9643 // installed name. Let's check on that... 9644 final String renamed = mSettings.getRenamedPackageLPr(pkg.mRealPackage); 9645 if (pkg.mOriginalPackages.contains(renamed)) { 9646 // This package had originally been installed as the 9647 // original name, and we have already taken care of 9648 // transitioning to the new one. Just update the new 9649 // one to continue using the old name. 9650 realName = pkg.mRealPackage; 9651 if (!pkg.packageName.equals(renamed)) { 9652 // Callers into this function may have already taken 9653 // care of renaming the package; only do it here if 9654 // it is not already done. 9655 pkg.setPackageName(renamed); 9656 } 9657 } else { 9658 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 9659 if ((origPackage = mSettings.getPackageLPr( 9660 pkg.mOriginalPackages.get(i))) != null) { 9661 // We do have the package already installed under its 9662 // original name... should we use it? 9663 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 9664 // New package is not compatible with original. 9665 origPackage = null; 9666 continue; 9667 } else if (origPackage.sharedUser != null) { 9668 // Make sure uid is compatible between packages. 9669 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 9670 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 9671 + " to " + pkg.packageName + ": old uid " 9672 + origPackage.sharedUser.name 9673 + " differs from " + pkg.mSharedUserId); 9674 origPackage = null; 9675 continue; 9676 } 9677 // TODO: Add case when shared user id is added [b/28144775] 9678 } else { 9679 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 9680 + pkg.packageName + " to old name " + origPackage.name); 9681 } 9682 break; 9683 } 9684 } 9685 } 9686 } 9687 9688 if (mTransferedPackages.contains(pkg.packageName)) { 9689 Slog.w(TAG, "Package " + pkg.packageName 9690 + " was transferred to another, but its .apk remains"); 9691 } 9692 9693 // See comments in nonMutatedPs declaration 9694 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 9695 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 9696 if (foundPs != null) { 9697 nonMutatedPs = new PackageSetting(foundPs); 9698 } 9699 } 9700 9701 if ((scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) == 0) { 9702 PackageSetting foundPs = mSettings.getPackageLPr(pkg.packageName); 9703 if (foundPs != null) { 9704 primaryCpuAbiFromSettings = foundPs.primaryCpuAbiString; 9705 secondaryCpuAbiFromSettings = foundPs.secondaryCpuAbiString; 9706 } 9707 } 9708 9709 pkgSetting = mSettings.getPackageLPr(pkg.packageName); 9710 if (pkgSetting != null && pkgSetting.sharedUser != suid) { 9711 PackageManagerService.reportSettingsProblem(Log.WARN, 9712 "Package " + pkg.packageName + " shared user changed from " 9713 + (pkgSetting.sharedUser != null 9714 ? pkgSetting.sharedUser.name : "<nothing>") 9715 + " to " 9716 + (suid != null ? suid.name : "<nothing>") 9717 + "; replacing with new"); 9718 pkgSetting = null; 9719 } 9720 final PackageSetting oldPkgSetting = 9721 pkgSetting == null ? null : new PackageSetting(pkgSetting); 9722 final PackageSetting disabledPkgSetting = 9723 mSettings.getDisabledSystemPkgLPr(pkg.packageName); 9724 9725 String[] usesStaticLibraries = null; 9726 if (pkg.usesStaticLibraries != null) { 9727 usesStaticLibraries = new String[pkg.usesStaticLibraries.size()]; 9728 pkg.usesStaticLibraries.toArray(usesStaticLibraries); 9729 } 9730 9731 if (pkgSetting == null) { 9732 final String parentPackageName = (pkg.parentPackage != null) 9733 ? pkg.parentPackage.packageName : null; 9734 final boolean instantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 9735 final boolean virtualPreload = (scanFlags & SCAN_AS_VIRTUAL_PRELOAD) != 0; 9736 // REMOVE SharedUserSetting from method; update in a separate call 9737 pkgSetting = Settings.createNewSetting(pkg.packageName, origPackage, 9738 disabledPkgSetting, realName, suid, destCodeFile, destResourceFile, 9739 pkg.applicationInfo.nativeLibraryRootDir, pkg.applicationInfo.primaryCpuAbi, 9740 pkg.applicationInfo.secondaryCpuAbi, pkg.mVersionCode, 9741 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, user, 9742 true /*allowInstall*/, instantApp, virtualPreload, 9743 parentPackageName, pkg.getChildPackageNames(), 9744 UserManagerService.getInstance(), usesStaticLibraries, 9745 pkg.usesStaticLibrariesVersions); 9746 // SIDE EFFECTS; updates system state; move elsewhere 9747 if (origPackage != null) { 9748 mSettings.addRenamedPackageLPw(pkg.packageName, origPackage.name); 9749 } 9750 mSettings.addUserToSettingLPw(pkgSetting); 9751 } else { 9752 // REMOVE SharedUserSetting from method; update in a separate call. 9753 // 9754 // TODO(narayan): This update is bogus. nativeLibraryDir & primaryCpuAbi, 9755 // secondaryCpuAbi are not known at this point so we always update them 9756 // to null here, only to reset them at a later point. 9757 Settings.updatePackageSetting(pkgSetting, disabledPkgSetting, suid, destCodeFile, 9758 pkg.applicationInfo.nativeLibraryDir, pkg.applicationInfo.primaryCpuAbi, 9759 pkg.applicationInfo.secondaryCpuAbi, pkg.applicationInfo.flags, 9760 pkg.applicationInfo.privateFlags, pkg.getChildPackageNames(), 9761 UserManagerService.getInstance(), usesStaticLibraries, 9762 pkg.usesStaticLibrariesVersions); 9763 } 9764 // SIDE EFFECTS; persists system state to files on disk; move elsewhere 9765 mSettings.writeUserRestrictionsLPw(pkgSetting, oldPkgSetting); 9766 9767 // SIDE EFFECTS; modifies system state; move elsewhere 9768 if (pkgSetting.origPackage != null) { 9769 // If we are first transitioning from an original package, 9770 // fix up the new package's name now. We need to do this after 9771 // looking up the package under its new name, so getPackageLP 9772 // can take care of fiddling things correctly. 9773 pkg.setPackageName(origPackage.name); 9774 9775 // File a report about this. 9776 String msg = "New package " + pkgSetting.realName 9777 + " renamed to replace old package " + pkgSetting.name; 9778 reportSettingsProblem(Log.WARN, msg); 9779 9780 // Make a note of it. 9781 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 9782 mTransferedPackages.add(origPackage.name); 9783 } 9784 9785 // No longer need to retain this. 9786 pkgSetting.origPackage = null; 9787 } 9788 9789 // SIDE EFFECTS; modifies system state; move elsewhere 9790 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && realName != null) { 9791 // Make a note of it. 9792 mTransferedPackages.add(pkg.packageName); 9793 } 9794 9795 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 9796 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 9797 } 9798 9799 if ((scanFlags & SCAN_BOOTING) == 0 9800 && (policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9801 // Check all shared libraries and map to their actual file path. 9802 // We only do this here for apps not on a system dir, because those 9803 // are the only ones that can fail an install due to this. We 9804 // will take care of the system apps by updating all of their 9805 // library paths after the scan is done. Also during the initial 9806 // scan don't update any libs as we do this wholesale after all 9807 // apps are scanned to avoid dependency based scanning. 9808 updateSharedLibrariesLPr(pkg, null); 9809 } 9810 9811 if (mFoundPolicyFile) { 9812 SELinuxMMAC.assignSeInfoValue(pkg); 9813 } 9814 pkg.applicationInfo.uid = pkgSetting.appId; 9815 pkg.mExtras = pkgSetting; 9816 9817 9818 // Static shared libs have same package with different versions where 9819 // we internally use a synthetic package name to allow multiple versions 9820 // of the same package, therefore we need to compare signatures against 9821 // the package setting for the latest library version. 9822 PackageSetting signatureCheckPs = pkgSetting; 9823 if (pkg.applicationInfo.isStaticSharedLibrary()) { 9824 SharedLibraryEntry libraryEntry = getLatestSharedLibraVersionLPr(pkg); 9825 if (libraryEntry != null) { 9826 signatureCheckPs = mSettings.getPackageLPr(libraryEntry.apk); 9827 } 9828 } 9829 9830 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 9831 if (ksms.shouldCheckUpgradeKeySetLocked(signatureCheckPs, scanFlags)) { 9832 if (ksms.checkUpgradeKeySetLocked(signatureCheckPs, pkg)) { 9833 // We just determined the app is signed correctly, so bring 9834 // over the latest parsed certs. 9835 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9836 } else { 9837 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9838 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 9839 "Package " + pkg.packageName + " upgrade keys do not match the " 9840 + "previously installed version"); 9841 } else { 9842 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9843 String msg = "System package " + pkg.packageName 9844 + " signature changed; retaining data."; 9845 reportSettingsProblem(Log.WARN, msg); 9846 } 9847 } 9848 } else { 9849 try { 9850 final boolean compareCompat = isCompatSignatureUpdateNeeded(pkg); 9851 final boolean compareRecover = isRecoverSignatureUpdateNeeded(pkg); 9852 final boolean compatMatch = verifySignatures(signatureCheckPs, pkg.mSignatures, 9853 compareCompat, compareRecover); 9854 // The new KeySets will be re-added later in the scanning process. 9855 if (compatMatch) { 9856 synchronized (mPackages) { 9857 ksms.removeAppKeySetDataLPw(pkg.packageName); 9858 } 9859 } 9860 // We just determined the app is signed correctly, so bring 9861 // over the latest parsed certs. 9862 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9863 } catch (PackageManagerException e) { 9864 if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 9865 throw e; 9866 } 9867 // The signature has changed, but this package is in the system 9868 // image... let's recover! 9869 pkgSetting.signatures.mSignatures = pkg.mSignatures; 9870 // However... if this package is part of a shared user, but it 9871 // doesn't match the signature of the shared user, let's fail. 9872 // What this means is that you can't change the signatures 9873 // associated with an overall shared user, which doesn't seem all 9874 // that unreasonable. 9875 if (signatureCheckPs.sharedUser != null) { 9876 if (compareSignatures(signatureCheckPs.sharedUser.signatures.mSignatures, 9877 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 9878 throw new PackageManagerException( 9879 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 9880 "Signature mismatch for shared user: " 9881 + pkgSetting.sharedUser); 9882 } 9883 } 9884 // File a report about this. 9885 String msg = "System package " + pkg.packageName 9886 + " signature changed; retaining data."; 9887 reportSettingsProblem(Log.WARN, msg); 9888 } 9889 } 9890 9891 if ((scanFlags & SCAN_CHECK_ONLY) == 0 && pkg.mAdoptPermissions != null) { 9892 // This package wants to adopt ownership of permissions from 9893 // another package. 9894 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 9895 final String origName = pkg.mAdoptPermissions.get(i); 9896 final PackageSetting orig = mSettings.getPackageLPr(origName); 9897 if (orig != null) { 9898 if (verifyPackageUpdateLPr(orig, pkg)) { 9899 Slog.i(TAG, "Adopting permissions from " + origName + " to " 9900 + pkg.packageName); 9901 // SIDE EFFECTS; updates permissions system state; move elsewhere 9902 mSettings.mPermissions.transferPermissions(origName, pkg.packageName); 9903 } 9904 } 9905 } 9906 } 9907 } 9908 9909 pkg.applicationInfo.processName = fixProcessName( 9910 pkg.applicationInfo.packageName, 9911 pkg.applicationInfo.processName); 9912 9913 if (pkg != mPlatformPackage) { 9914 // Get all of our default paths setup 9915 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 9916 } 9917 9918 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 9919 9920 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 9921 if ((scanFlags & SCAN_FIRST_BOOT_OR_UPGRADE) != 0) { 9922 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "derivePackageAbi"); 9923 final boolean extractNativeLibs = !pkg.isLibrary(); 9924 derivePackageAbi(pkg, scanFile, cpuAbiOverride, extractNativeLibs, 9925 mAppLib32InstallDir); 9926 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9927 9928 // Some system apps still use directory structure for native libraries 9929 // in which case we might end up not detecting abi solely based on apk 9930 // structure. Try to detect abi based on directory structure. 9931 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 9932 pkg.applicationInfo.primaryCpuAbi == null) { 9933 setBundledAppAbisAndRoots(pkg, pkgSetting); 9934 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 9935 } 9936 } else { 9937 // This is not a first boot or an upgrade, don't bother deriving the 9938 // ABI during the scan. Instead, trust the value that was stored in the 9939 // package setting. 9940 pkg.applicationInfo.primaryCpuAbi = primaryCpuAbiFromSettings; 9941 pkg.applicationInfo.secondaryCpuAbi = secondaryCpuAbiFromSettings; 9942 9943 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 9944 9945 if (DEBUG_ABI_SELECTION) { 9946 Slog.i(TAG, "Using ABIS and native lib paths from settings : " + 9947 pkg.packageName + " " + pkg.applicationInfo.primaryCpuAbi + ", " + 9948 pkg.applicationInfo.secondaryCpuAbi); 9949 } 9950 } 9951 } else { 9952 if ((scanFlags & SCAN_MOVE) != 0) { 9953 // We haven't run dex-opt for this move (since we've moved the compiled output too) 9954 // but we already have this packages package info in the PackageSetting. We just 9955 // use that and derive the native library path based on the new codepath. 9956 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 9957 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 9958 } 9959 9960 // Set native library paths again. For moves, the path will be updated based on the 9961 // ABIs we've determined above. For non-moves, the path will be updated based on the 9962 // ABIs we determined during compilation, but the path will depend on the final 9963 // package path (after the rename away from the stage path). 9964 setNativeLibraryPaths(pkg, mAppLib32InstallDir); 9965 } 9966 9967 // This is a special case for the "system" package, where the ABI is 9968 // dictated by the zygote configuration (and init.rc). We should keep track 9969 // of this ABI so that we can deal with "normal" applications that run under 9970 // the same UID correctly. 9971 if (mPlatformPackage == pkg) { 9972 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 9973 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 9974 } 9975 9976 // If there's a mismatch between the abi-override in the package setting 9977 // and the abiOverride specified for the install. Warn about this because we 9978 // would've already compiled the app without taking the package setting into 9979 // account. 9980 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 9981 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 9982 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 9983 " for package " + pkg.packageName); 9984 } 9985 } 9986 9987 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 9988 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 9989 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 9990 9991 // Copy the derived override back to the parsed package, so that we can 9992 // update the package settings accordingly. 9993 pkg.cpuAbiOverride = cpuAbiOverride; 9994 9995 if (DEBUG_ABI_SELECTION) { 9996 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 9997 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 9998 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 9999 } 10000 10001 // Push the derived path down into PackageSettings so we know what to 10002 // clean up at uninstall time. 10003 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 10004 10005 if (DEBUG_ABI_SELECTION) { 10006 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 10007 " primary=" + pkg.applicationInfo.primaryCpuAbi + 10008 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 10009 } 10010 10011 // SIDE EFFECTS; removes DEX files from disk; move elsewhere 10012 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 10013 // We don't do this here during boot because we can do it all 10014 // at once after scanning all existing packages. 10015 // 10016 // We also do this *before* we perform dexopt on this package, so that 10017 // we can avoid redundant dexopts, and also to make sure we've got the 10018 // code and package path correct. 10019 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, pkg); 10020 } 10021 10022 if (mFactoryTest && pkg.requestedPermissions.contains( 10023 android.Manifest.permission.FACTORY_TEST)) { 10024 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 10025 } 10026 10027 if (isSystemApp(pkg)) { 10028 pkgSetting.isOrphaned = true; 10029 } 10030 10031 // Take care of first install / last update times. 10032 final long scanFileTime = getLastModifiedTime(pkg, scanFile); 10033 if (currentTime != 0) { 10034 if (pkgSetting.firstInstallTime == 0) { 10035 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 10036 } else if ((scanFlags & SCAN_UPDATE_TIME) != 0) { 10037 pkgSetting.lastUpdateTime = currentTime; 10038 } 10039 } else if (pkgSetting.firstInstallTime == 0) { 10040 // We need *something*. Take time time stamp of the file. 10041 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 10042 } else if ((policyFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 10043 if (scanFileTime != pkgSetting.timeStamp) { 10044 // A package on the system image has changed; consider this 10045 // to be an update. 10046 pkgSetting.lastUpdateTime = scanFileTime; 10047 } 10048 } 10049 pkgSetting.setTimeStamp(scanFileTime); 10050 10051 if ((scanFlags & SCAN_CHECK_ONLY) != 0) { 10052 if (nonMutatedPs != null) { 10053 synchronized (mPackages) { 10054 mSettings.mPackages.put(nonMutatedPs.name, nonMutatedPs); 10055 } 10056 } 10057 } else { 10058 final int userId = user == null ? 0 : user.getIdentifier(); 10059 // Modify state for the given package setting 10060 commitPackageSettings(pkg, pkgSetting, user, scanFlags, 10061 (policyFlags & PackageParser.PARSE_CHATTY) != 0 /*chatty*/); 10062 if (pkgSetting.getInstantApp(userId)) { 10063 mInstantAppRegistry.addInstantAppLPw(userId, pkgSetting.appId); 10064 } 10065 } 10066 return pkg; 10067 } 10068 10069 /** 10070 * Applies policy to the parsed package based upon the given policy flags. 10071 * Ensures the package is in a good state. 10072 * <p> 10073 * Implementation detail: This method must NOT have any side effect. It would 10074 * ideally be static, but, it requires locks to read system state. 10075 */ 10076 private void applyPolicy(PackageParser.Package pkg, int policyFlags) { 10077 if ((policyFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 10078 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 10079 if (pkg.applicationInfo.isDirectBootAware()) { 10080 // we're direct boot aware; set for all components 10081 for (PackageParser.Service s : pkg.services) { 10082 s.info.encryptionAware = s.info.directBootAware = true; 10083 } 10084 for (PackageParser.Provider p : pkg.providers) { 10085 p.info.encryptionAware = p.info.directBootAware = true; 10086 } 10087 for (PackageParser.Activity a : pkg.activities) { 10088 a.info.encryptionAware = a.info.directBootAware = true; 10089 } 10090 for (PackageParser.Activity r : pkg.receivers) { 10091 r.info.encryptionAware = r.info.directBootAware = true; 10092 } 10093 } 10094 if (compressedFileExists(pkg.codePath)) { 10095 pkg.isStub = true; 10096 } 10097 } else { 10098 // Only allow system apps to be flagged as core apps. 10099 pkg.coreApp = false; 10100 // clear flags not applicable to regular apps 10101 pkg.applicationInfo.privateFlags &= 10102 ~ApplicationInfo.PRIVATE_FLAG_DEFAULT_TO_DEVICE_PROTECTED_STORAGE; 10103 pkg.applicationInfo.privateFlags &= 10104 ~ApplicationInfo.PRIVATE_FLAG_DIRECT_BOOT_AWARE; 10105 } 10106 pkg.mTrustedOverlay = (policyFlags&PackageParser.PARSE_TRUSTED_OVERLAY) != 0; 10107 10108 if ((policyFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 10109 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 10110 } 10111 10112 if ((policyFlags&PackageParser.PARSE_IS_OEM) != 0) { 10113 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_OEM; 10114 } 10115 10116 if (!isSystemApp(pkg)) { 10117 // Only system apps can use these features. 10118 pkg.mOriginalPackages = null; 10119 pkg.mRealPackage = null; 10120 pkg.mAdoptPermissions = null; 10121 } 10122 } 10123 10124 /** 10125 * Asserts the parsed package is valid according to the given policy. If the 10126 * package is invalid, for whatever reason, throws {@link PackageManagerException}. 10127 * <p> 10128 * Implementation detail: This method must NOT have any side effects. It would 10129 * ideally be static, but, it requires locks to read system state. 10130 * 10131 * @throws PackageManagerException If the package fails any of the validation checks 10132 */ 10133 private void assertPackageIsValid(PackageParser.Package pkg, int policyFlags, int scanFlags) 10134 throws PackageManagerException { 10135 if ((policyFlags & PackageParser.PARSE_ENFORCE_CODE) != 0) { 10136 assertCodePolicy(pkg); 10137 } 10138 10139 if (pkg.applicationInfo.getCodePath() == null || 10140 pkg.applicationInfo.getResourcePath() == null) { 10141 // Bail out. The resource and code paths haven't been set. 10142 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 10143 "Code and resource paths haven't been set correctly"); 10144 } 10145 10146 // Make sure we're not adding any bogus keyset info 10147 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 10148 ksms.assertScannedPackageValid(pkg); 10149 10150 synchronized (mPackages) { 10151 // The special "android" package can only be defined once 10152 if (pkg.packageName.equals("android")) { 10153 if (mAndroidApplication != null) { 10154 Slog.w(TAG, "*************************************************"); 10155 Slog.w(TAG, "Core android package being redefined. Skipping."); 10156 Slog.w(TAG, " codePath=" + pkg.codePath); 10157 Slog.w(TAG, "*************************************************"); 10158 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 10159 "Core android package being redefined. Skipping."); 10160 } 10161 } 10162 10163 // A package name must be unique; don't allow duplicates 10164 if (mPackages.containsKey(pkg.packageName)) { 10165 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 10166 "Application package " + pkg.packageName 10167 + " already installed. Skipping duplicate."); 10168 } 10169 10170 if (pkg.applicationInfo.isStaticSharedLibrary()) { 10171 // Static libs have a synthetic package name containing the version 10172 // but we still want the base name to be unique. 10173 if (mPackages.containsKey(pkg.manifestPackageName)) { 10174 throw new PackageManagerException( 10175 "Duplicate static shared lib provider package"); 10176 } 10177 10178 // Static shared libraries should have at least O target SDK 10179 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.O) { 10180 throw new PackageManagerException( 10181 "Packages declaring static-shared libs must target O SDK or higher"); 10182 } 10183 10184 // Package declaring static a shared lib cannot be instant apps 10185 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 10186 throw new PackageManagerException( 10187 "Packages declaring static-shared libs cannot be instant apps"); 10188 } 10189 10190 // Package declaring static a shared lib cannot be renamed since the package 10191 // name is synthetic and apps can't code around package manager internals. 10192 if (!ArrayUtils.isEmpty(pkg.mOriginalPackages)) { 10193 throw new PackageManagerException( 10194 "Packages declaring static-shared libs cannot be renamed"); 10195 } 10196 10197 // Package declaring static a shared lib cannot declare child packages 10198 if (!ArrayUtils.isEmpty(pkg.childPackages)) { 10199 throw new PackageManagerException( 10200 "Packages declaring static-shared libs cannot have child packages"); 10201 } 10202 10203 // Package declaring static a shared lib cannot declare dynamic libs 10204 if (!ArrayUtils.isEmpty(pkg.libraryNames)) { 10205 throw new PackageManagerException( 10206 "Packages declaring static-shared libs cannot declare dynamic libs"); 10207 } 10208 10209 // Package declaring static a shared lib cannot declare shared users 10210 if (pkg.mSharedUserId != null) { 10211 throw new PackageManagerException( 10212 "Packages declaring static-shared libs cannot declare shared users"); 10213 } 10214 10215 // Static shared libs cannot declare activities 10216 if (!pkg.activities.isEmpty()) { 10217 throw new PackageManagerException( 10218 "Static shared libs cannot declare activities"); 10219 } 10220 10221 // Static shared libs cannot declare services 10222 if (!pkg.services.isEmpty()) { 10223 throw new PackageManagerException( 10224 "Static shared libs cannot declare services"); 10225 } 10226 10227 // Static shared libs cannot declare providers 10228 if (!pkg.providers.isEmpty()) { 10229 throw new PackageManagerException( 10230 "Static shared libs cannot declare content providers"); 10231 } 10232 10233 // Static shared libs cannot declare receivers 10234 if (!pkg.receivers.isEmpty()) { 10235 throw new PackageManagerException( 10236 "Static shared libs cannot declare broadcast receivers"); 10237 } 10238 10239 // Static shared libs cannot declare permission groups 10240 if (!pkg.permissionGroups.isEmpty()) { 10241 throw new PackageManagerException( 10242 "Static shared libs cannot declare permission groups"); 10243 } 10244 10245 // Static shared libs cannot declare permissions 10246 if (!pkg.permissions.isEmpty()) { 10247 throw new PackageManagerException( 10248 "Static shared libs cannot declare permissions"); 10249 } 10250 10251 // Static shared libs cannot declare protected broadcasts 10252 if (pkg.protectedBroadcasts != null) { 10253 throw new PackageManagerException( 10254 "Static shared libs cannot declare protected broadcasts"); 10255 } 10256 10257 // Static shared libs cannot be overlay targets 10258 if (pkg.mOverlayTarget != null) { 10259 throw new PackageManagerException( 10260 "Static shared libs cannot be overlay targets"); 10261 } 10262 10263 // The version codes must be ordered as lib versions 10264 int minVersionCode = Integer.MIN_VALUE; 10265 int maxVersionCode = Integer.MAX_VALUE; 10266 10267 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get( 10268 pkg.staticSharedLibName); 10269 if (versionedLib != null) { 10270 final int versionCount = versionedLib.size(); 10271 for (int i = 0; i < versionCount; i++) { 10272 SharedLibraryInfo libInfo = versionedLib.valueAt(i).info; 10273 final int libVersionCode = libInfo.getDeclaringPackage() 10274 .getVersionCode(); 10275 if (libInfo.getVersion() < pkg.staticSharedLibVersion) { 10276 minVersionCode = Math.max(minVersionCode, libVersionCode + 1); 10277 } else if (libInfo.getVersion() > pkg.staticSharedLibVersion) { 10278 maxVersionCode = Math.min(maxVersionCode, libVersionCode - 1); 10279 } else { 10280 minVersionCode = maxVersionCode = libVersionCode; 10281 break; 10282 } 10283 } 10284 } 10285 if (pkg.mVersionCode < minVersionCode || pkg.mVersionCode > maxVersionCode) { 10286 throw new PackageManagerException("Static shared" 10287 + " lib version codes must be ordered as lib versions"); 10288 } 10289 } 10290 10291 // Only privileged apps and updated privileged apps can add child packages. 10292 if (pkg.childPackages != null && !pkg.childPackages.isEmpty()) { 10293 if ((policyFlags & PARSE_IS_PRIVILEGED) == 0) { 10294 throw new PackageManagerException("Only privileged apps can add child " 10295 + "packages. Ignoring package " + pkg.packageName); 10296 } 10297 final int childCount = pkg.childPackages.size(); 10298 for (int i = 0; i < childCount; i++) { 10299 PackageParser.Package childPkg = pkg.childPackages.get(i); 10300 if (mSettings.hasOtherDisabledSystemPkgWithChildLPr(pkg.packageName, 10301 childPkg.packageName)) { 10302 throw new PackageManagerException("Can't override child of " 10303 + "another disabled app. Ignoring package " + pkg.packageName); 10304 } 10305 } 10306 } 10307 10308 // If we're only installing presumed-existing packages, require that the 10309 // scanned APK is both already known and at the path previously established 10310 // for it. Previously unknown packages we pick up normally, but if we have an 10311 // a priori expectation about this package's install presence, enforce it. 10312 // With a singular exception for new system packages. When an OTA contains 10313 // a new system package, we allow the codepath to change from a system location 10314 // to the user-installed location. If we don't allow this change, any newer, 10315 // user-installed version of the application will be ignored. 10316 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 10317 if (mExpectingBetter.containsKey(pkg.packageName)) { 10318 logCriticalInfo(Log.WARN, 10319 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 10320 } else { 10321 PackageSetting known = mSettings.getPackageLPr(pkg.packageName); 10322 if (known != null) { 10323 if (DEBUG_PACKAGE_SCANNING) { 10324 Log.d(TAG, "Examining " + pkg.codePath 10325 + " and requiring known paths " + known.codePathString 10326 + " & " + known.resourcePathString); 10327 } 10328 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 10329 || !pkg.applicationInfo.getResourcePath().equals( 10330 known.resourcePathString)) { 10331 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 10332 "Application package " + pkg.packageName 10333 + " found at " + pkg.applicationInfo.getCodePath() 10334 + " but expected at " + known.codePathString 10335 + "; ignoring."); 10336 } 10337 } else { 10338 throw new PackageManagerException(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 10339 "Application package " + pkg.packageName 10340 + " not found; ignoring."); 10341 } 10342 } 10343 } 10344 10345 // Verify that this new package doesn't have any content providers 10346 // that conflict with existing packages. Only do this if the 10347 // package isn't already installed, since we don't want to break 10348 // things that are installed. 10349 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 10350 final int N = pkg.providers.size(); 10351 int i; 10352 for (i=0; i<N; i++) { 10353 PackageParser.Provider p = pkg.providers.get(i); 10354 if (p.info.authority != null) { 10355 String names[] = p.info.authority.split(";"); 10356 for (int j = 0; j < names.length; j++) { 10357 if (mProvidersByAuthority.containsKey(names[j])) { 10358 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 10359 final String otherPackageName = 10360 ((other != null && other.getComponentName() != null) ? 10361 other.getComponentName().getPackageName() : "?"); 10362 throw new PackageManagerException( 10363 INSTALL_FAILED_CONFLICTING_PROVIDER, 10364 "Can't install because provider name " + names[j] 10365 + " (in package " + pkg.applicationInfo.packageName 10366 + ") is already used by " + otherPackageName); 10367 } 10368 } 10369 } 10370 } 10371 } 10372 } 10373 } 10374 10375 private boolean addSharedLibraryLPw(String path, String apk, String name, int version, 10376 int type, String declaringPackageName, int declaringVersionCode) { 10377 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 10378 if (versionedLib == null) { 10379 versionedLib = new SparseArray<>(); 10380 mSharedLibraries.put(name, versionedLib); 10381 if (type == SharedLibraryInfo.TYPE_STATIC) { 10382 mStaticLibsByDeclaringPackage.put(declaringPackageName, versionedLib); 10383 } 10384 } else if (versionedLib.indexOfKey(version) >= 0) { 10385 return false; 10386 } 10387 SharedLibraryEntry libEntry = new SharedLibraryEntry(path, apk, name, 10388 version, type, declaringPackageName, declaringVersionCode); 10389 versionedLib.put(version, libEntry); 10390 return true; 10391 } 10392 10393 private boolean removeSharedLibraryLPw(String name, int version) { 10394 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(name); 10395 if (versionedLib == null) { 10396 return false; 10397 } 10398 final int libIdx = versionedLib.indexOfKey(version); 10399 if (libIdx < 0) { 10400 return false; 10401 } 10402 SharedLibraryEntry libEntry = versionedLib.valueAt(libIdx); 10403 versionedLib.remove(version); 10404 if (versionedLib.size() <= 0) { 10405 mSharedLibraries.remove(name); 10406 if (libEntry.info.getType() == SharedLibraryInfo.TYPE_STATIC) { 10407 mStaticLibsByDeclaringPackage.remove(libEntry.info.getDeclaringPackage() 10408 .getPackageName()); 10409 } 10410 } 10411 return true; 10412 } 10413 10414 /** 10415 * Adds a scanned package to the system. When this method is finished, the package will 10416 * be available for query, resolution, etc... 10417 */ 10418 private void commitPackageSettings(PackageParser.Package pkg, PackageSetting pkgSetting, 10419 UserHandle user, int scanFlags, boolean chatty) throws PackageManagerException { 10420 final String pkgName = pkg.packageName; 10421 if (mCustomResolverComponentName != null && 10422 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 10423 setUpCustomResolverActivity(pkg); 10424 } 10425 10426 if (pkg.packageName.equals("android")) { 10427 synchronized (mPackages) { 10428 if ((scanFlags & SCAN_CHECK_ONLY) == 0) { 10429 // Set up information for our fall-back user intent resolution activity. 10430 mPlatformPackage = pkg; 10431 pkg.mVersionCode = mSdkVersion; 10432 mAndroidApplication = pkg.applicationInfo; 10433 if (!mResolverReplaced) { 10434 mResolveActivity.applicationInfo = mAndroidApplication; 10435 mResolveActivity.name = ResolverActivity.class.getName(); 10436 mResolveActivity.packageName = mAndroidApplication.packageName; 10437 mResolveActivity.processName = "system:ui"; 10438 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 10439 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 10440 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 10441 mResolveActivity.theme = R.style.Theme_Material_Dialog_Alert; 10442 mResolveActivity.exported = true; 10443 mResolveActivity.enabled = true; 10444 mResolveActivity.resizeMode = ActivityInfo.RESIZE_MODE_RESIZEABLE; 10445 mResolveActivity.configChanges = ActivityInfo.CONFIG_SCREEN_SIZE 10446 | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE 10447 | ActivityInfo.CONFIG_SCREEN_LAYOUT 10448 | ActivityInfo.CONFIG_ORIENTATION 10449 | ActivityInfo.CONFIG_KEYBOARD 10450 | ActivityInfo.CONFIG_KEYBOARD_HIDDEN; 10451 mResolveInfo.activityInfo = mResolveActivity; 10452 mResolveInfo.priority = 0; 10453 mResolveInfo.preferredOrder = 0; 10454 mResolveInfo.match = 0; 10455 mResolveComponentName = new ComponentName( 10456 mAndroidApplication.packageName, mResolveActivity.name); 10457 } 10458 } 10459 } 10460 } 10461 10462 ArrayList<PackageParser.Package> clientLibPkgs = null; 10463 // writer 10464 synchronized (mPackages) { 10465 boolean hasStaticSharedLibs = false; 10466 10467 // Any app can add new static shared libraries 10468 if (pkg.staticSharedLibName != null) { 10469 // Static shared libs don't allow renaming as they have synthetic package 10470 // names to allow install of multiple versions, so use name from manifest. 10471 if (addSharedLibraryLPw(null, pkg.packageName, pkg.staticSharedLibName, 10472 pkg.staticSharedLibVersion, SharedLibraryInfo.TYPE_STATIC, 10473 pkg.manifestPackageName, pkg.mVersionCode)) { 10474 hasStaticSharedLibs = true; 10475 } else { 10476 Slog.w(TAG, "Package " + pkg.packageName + " library " 10477 + pkg.staticSharedLibName + " already exists; skipping"); 10478 } 10479 // Static shared libs cannot be updated once installed since they 10480 // use synthetic package name which includes the version code, so 10481 // not need to update other packages's shared lib dependencies. 10482 } 10483 10484 if (!hasStaticSharedLibs 10485 && (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 10486 // Only system apps can add new dynamic shared libraries. 10487 if (pkg.libraryNames != null) { 10488 for (int i = 0; i < pkg.libraryNames.size(); i++) { 10489 String name = pkg.libraryNames.get(i); 10490 boolean allowed = false; 10491 if (pkg.isUpdatedSystemApp()) { 10492 // New library entries can only be added through the 10493 // system image. This is important to get rid of a lot 10494 // of nasty edge cases: for example if we allowed a non- 10495 // system update of the app to add a library, then uninstalling 10496 // the update would make the library go away, and assumptions 10497 // we made such as through app install filtering would now 10498 // have allowed apps on the device which aren't compatible 10499 // with it. Better to just have the restriction here, be 10500 // conservative, and create many fewer cases that can negatively 10501 // impact the user experience. 10502 final PackageSetting sysPs = mSettings 10503 .getDisabledSystemPkgLPr(pkg.packageName); 10504 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 10505 for (int j = 0; j < sysPs.pkg.libraryNames.size(); j++) { 10506 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 10507 allowed = true; 10508 break; 10509 } 10510 } 10511 } 10512 } else { 10513 allowed = true; 10514 } 10515 if (allowed) { 10516 if (!addSharedLibraryLPw(null, pkg.packageName, name, 10517 SharedLibraryInfo.VERSION_UNDEFINED, 10518 SharedLibraryInfo.TYPE_DYNAMIC, 10519 pkg.packageName, pkg.mVersionCode)) { 10520 Slog.w(TAG, "Package " + pkg.packageName + " library " 10521 + name + " already exists; skipping"); 10522 } 10523 } else { 10524 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 10525 + name + " that is not declared on system image; skipping"); 10526 } 10527 } 10528 10529 if ((scanFlags & SCAN_BOOTING) == 0) { 10530 // If we are not booting, we need to update any applications 10531 // that are clients of our shared library. If we are booting, 10532 // this will all be done once the scan is complete. 10533 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 10534 } 10535 } 10536 } 10537 } 10538 10539 if ((scanFlags & SCAN_BOOTING) != 0) { 10540 // No apps can run during boot scan, so they don't need to be frozen 10541 } else if ((scanFlags & SCAN_DONT_KILL_APP) != 0) { 10542 // Caller asked to not kill app, so it's probably not frozen 10543 } else if ((scanFlags & SCAN_IGNORE_FROZEN) != 0) { 10544 // Caller asked us to ignore frozen check for some reason; they 10545 // probably didn't know the package name 10546 } else { 10547 // We're doing major surgery on this package, so it better be frozen 10548 // right now to keep it from launching 10549 checkPackageFrozen(pkgName); 10550 } 10551 10552 // Also need to kill any apps that are dependent on the library. 10553 if (clientLibPkgs != null) { 10554 for (int i=0; i<clientLibPkgs.size(); i++) { 10555 PackageParser.Package clientPkg = clientLibPkgs.get(i); 10556 killApplication(clientPkg.applicationInfo.packageName, 10557 clientPkg.applicationInfo.uid, "update lib"); 10558 } 10559 } 10560 10561 // writer 10562 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 10563 10564 synchronized (mPackages) { 10565 // We don't expect installation to fail beyond this point 10566 10567 // Add the new setting to mSettings 10568 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 10569 // Add the new setting to mPackages 10570 mPackages.put(pkg.applicationInfo.packageName, pkg); 10571 // Make sure we don't accidentally delete its data. 10572 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 10573 while (iter.hasNext()) { 10574 PackageCleanItem item = iter.next(); 10575 if (pkgName.equals(item.packageName)) { 10576 iter.remove(); 10577 } 10578 } 10579 10580 // Add the package's KeySets to the global KeySetManagerService 10581 KeySetManagerService ksms = mSettings.mKeySetManagerService; 10582 ksms.addScannedPackageLPw(pkg); 10583 10584 int N = pkg.providers.size(); 10585 StringBuilder r = null; 10586 int i; 10587 for (i=0; i<N; i++) { 10588 PackageParser.Provider p = pkg.providers.get(i); 10589 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 10590 p.info.processName); 10591 mProviders.addProvider(p); 10592 p.syncable = p.info.isSyncable; 10593 if (p.info.authority != null) { 10594 String names[] = p.info.authority.split(";"); 10595 p.info.authority = null; 10596 for (int j = 0; j < names.length; j++) { 10597 if (j == 1 && p.syncable) { 10598 // We only want the first authority for a provider to possibly be 10599 // syncable, so if we already added this provider using a different 10600 // authority clear the syncable flag. We copy the provider before 10601 // changing it because the mProviders object contains a reference 10602 // to a provider that we don't want to change. 10603 // Only do this for the second authority since the resulting provider 10604 // object can be the same for all future authorities for this provider. 10605 p = new PackageParser.Provider(p); 10606 p.syncable = false; 10607 } 10608 if (!mProvidersByAuthority.containsKey(names[j])) { 10609 mProvidersByAuthority.put(names[j], p); 10610 if (p.info.authority == null) { 10611 p.info.authority = names[j]; 10612 } else { 10613 p.info.authority = p.info.authority + ";" + names[j]; 10614 } 10615 if (DEBUG_PACKAGE_SCANNING) { 10616 if (chatty) 10617 Log.d(TAG, "Registered content provider: " + names[j] 10618 + ", className = " + p.info.name + ", isSyncable = " 10619 + p.info.isSyncable); 10620 } 10621 } else { 10622 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 10623 Slog.w(TAG, "Skipping provider name " + names[j] + 10624 " (in package " + pkg.applicationInfo.packageName + 10625 "): name already used by " 10626 + ((other != null && other.getComponentName() != null) 10627 ? other.getComponentName().getPackageName() : "?")); 10628 } 10629 } 10630 } 10631 if (chatty) { 10632 if (r == null) { 10633 r = new StringBuilder(256); 10634 } else { 10635 r.append(' '); 10636 } 10637 r.append(p.info.name); 10638 } 10639 } 10640 if (r != null) { 10641 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 10642 } 10643 10644 N = pkg.services.size(); 10645 r = null; 10646 for (i=0; i<N; i++) { 10647 PackageParser.Service s = pkg.services.get(i); 10648 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 10649 s.info.processName); 10650 mServices.addService(s); 10651 if (chatty) { 10652 if (r == null) { 10653 r = new StringBuilder(256); 10654 } else { 10655 r.append(' '); 10656 } 10657 r.append(s.info.name); 10658 } 10659 } 10660 if (r != null) { 10661 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 10662 } 10663 10664 N = pkg.receivers.size(); 10665 r = null; 10666 for (i=0; i<N; i++) { 10667 PackageParser.Activity a = pkg.receivers.get(i); 10668 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 10669 a.info.processName); 10670 mReceivers.addActivity(a, "receiver"); 10671 if (chatty) { 10672 if (r == null) { 10673 r = new StringBuilder(256); 10674 } else { 10675 r.append(' '); 10676 } 10677 r.append(a.info.name); 10678 } 10679 } 10680 if (r != null) { 10681 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 10682 } 10683 10684 N = pkg.activities.size(); 10685 r = null; 10686 for (i=0; i<N; i++) { 10687 PackageParser.Activity a = pkg.activities.get(i); 10688 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 10689 a.info.processName); 10690 mActivities.addActivity(a, "activity"); 10691 if (chatty) { 10692 if (r == null) { 10693 r = new StringBuilder(256); 10694 } else { 10695 r.append(' '); 10696 } 10697 r.append(a.info.name); 10698 } 10699 } 10700 if (r != null) { 10701 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 10702 } 10703 10704 // Don't allow ephemeral applications to define new permissions groups. 10705 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 10706 Slog.w(TAG, "Permission groups from package " + pkg.packageName 10707 + " ignored: instant apps cannot define new permission groups."); 10708 } else { 10709 mPermissionManager.addAllPermissionGroups(pkg, chatty); 10710 } 10711 10712 // Don't allow ephemeral applications to define new permissions. 10713 if ((scanFlags & SCAN_AS_INSTANT_APP) != 0) { 10714 Slog.w(TAG, "Permissions from package " + pkg.packageName 10715 + " ignored: instant apps cannot define new permissions."); 10716 } else { 10717 mPermissionManager.addAllPermissions(pkg, chatty); 10718 } 10719 10720 N = pkg.instrumentation.size(); 10721 r = null; 10722 for (i=0; i<N; i++) { 10723 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 10724 a.info.packageName = pkg.applicationInfo.packageName; 10725 a.info.sourceDir = pkg.applicationInfo.sourceDir; 10726 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 10727 a.info.splitNames = pkg.splitNames; 10728 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 10729 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 10730 a.info.splitDependencies = pkg.applicationInfo.splitDependencies; 10731 a.info.dataDir = pkg.applicationInfo.dataDir; 10732 a.info.deviceProtectedDataDir = pkg.applicationInfo.deviceProtectedDataDir; 10733 a.info.credentialProtectedDataDir = pkg.applicationInfo.credentialProtectedDataDir; 10734 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 10735 a.info.secondaryNativeLibraryDir = pkg.applicationInfo.secondaryNativeLibraryDir; 10736 mInstrumentation.put(a.getComponentName(), a); 10737 if (chatty) { 10738 if (r == null) { 10739 r = new StringBuilder(256); 10740 } else { 10741 r.append(' '); 10742 } 10743 r.append(a.info.name); 10744 } 10745 } 10746 if (r != null) { 10747 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 10748 } 10749 10750 if (pkg.protectedBroadcasts != null) { 10751 N = pkg.protectedBroadcasts.size(); 10752 synchronized (mProtectedBroadcasts) { 10753 for (i = 0; i < N; i++) { 10754 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 10755 } 10756 } 10757 } 10758 } 10759 10760 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10761 } 10762 10763 /** 10764 * Derive the ABI of a non-system package located at {@code scanFile}. This information 10765 * is derived purely on the basis of the contents of {@code scanFile} and 10766 * {@code cpuAbiOverride}. 10767 * 10768 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 10769 */ 10770 private static void derivePackageAbi(PackageParser.Package pkg, File scanFile, 10771 String cpuAbiOverride, boolean extractLibs, 10772 File appLib32InstallDir) 10773 throws PackageManagerException { 10774 // Give ourselves some initial paths; we'll come back for another 10775 // pass once we've determined ABI below. 10776 setNativeLibraryPaths(pkg, appLib32InstallDir); 10777 10778 // We would never need to extract libs for forward-locked and external packages, 10779 // since the container service will do it for us. We shouldn't attempt to 10780 // extract libs from system app when it was not updated. 10781 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 10782 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 10783 extractLibs = false; 10784 } 10785 10786 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 10787 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 10788 10789 NativeLibraryHelper.Handle handle = null; 10790 try { 10791 handle = NativeLibraryHelper.Handle.create(pkg); 10792 // TODO(multiArch): This can be null for apps that didn't go through the 10793 // usual installation process. We can calculate it again, like we 10794 // do during install time. 10795 // 10796 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 10797 // unnecessary. 10798 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 10799 10800 // Null out the abis so that they can be recalculated. 10801 pkg.applicationInfo.primaryCpuAbi = null; 10802 pkg.applicationInfo.secondaryCpuAbi = null; 10803 if (isMultiArch(pkg.applicationInfo)) { 10804 // Warn if we've set an abiOverride for multi-lib packages.. 10805 // By definition, we need to copy both 32 and 64 bit libraries for 10806 // such packages. 10807 if (pkg.cpuAbiOverride != null 10808 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 10809 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 10810 } 10811 10812 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 10813 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 10814 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 10815 if (extractLibs) { 10816 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 10817 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 10818 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 10819 useIsaSpecificSubdirs); 10820 } else { 10821 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 10822 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 10823 } 10824 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10825 } 10826 10827 // Shared library native code should be in the APK zip aligned 10828 if (abi32 >= 0 && pkg.isLibrary() && extractLibs) { 10829 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 10830 "Shared library native lib extraction not supported"); 10831 } 10832 10833 maybeThrowExceptionForMultiArchCopy( 10834 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 10835 10836 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 10837 if (extractLibs) { 10838 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 10839 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 10840 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 10841 useIsaSpecificSubdirs); 10842 } else { 10843 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 10844 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 10845 } 10846 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10847 } 10848 10849 maybeThrowExceptionForMultiArchCopy( 10850 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 10851 10852 if (abi64 >= 0) { 10853 // Shared library native libs should be in the APK zip aligned 10854 if (extractLibs && pkg.isLibrary()) { 10855 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 10856 "Shared library native lib extraction not supported"); 10857 } 10858 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 10859 } 10860 10861 if (abi32 >= 0) { 10862 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 10863 if (abi64 >= 0) { 10864 if (pkg.use32bitAbi) { 10865 pkg.applicationInfo.secondaryCpuAbi = pkg.applicationInfo.primaryCpuAbi; 10866 pkg.applicationInfo.primaryCpuAbi = abi; 10867 } else { 10868 pkg.applicationInfo.secondaryCpuAbi = abi; 10869 } 10870 } else { 10871 pkg.applicationInfo.primaryCpuAbi = abi; 10872 } 10873 } 10874 } else { 10875 String[] abiList = (cpuAbiOverride != null) ? 10876 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 10877 10878 // Enable gross and lame hacks for apps that are built with old 10879 // SDK tools. We must scan their APKs for renderscript bitcode and 10880 // not launch them if it's present. Don't bother checking on devices 10881 // that don't have 64 bit support. 10882 boolean needsRenderScriptOverride = false; 10883 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 10884 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 10885 abiList = Build.SUPPORTED_32_BIT_ABIS; 10886 needsRenderScriptOverride = true; 10887 } 10888 10889 final int copyRet; 10890 if (extractLibs) { 10891 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyNativeBinaries"); 10892 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 10893 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 10894 } else { 10895 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "findSupportedAbi"); 10896 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 10897 } 10898 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 10899 10900 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 10901 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 10902 "Error unpackaging native libs for app, errorCode=" + copyRet); 10903 } 10904 10905 if (copyRet >= 0) { 10906 // Shared libraries that have native libs must be multi-architecture 10907 if (pkg.isLibrary()) { 10908 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 10909 "Shared library with native libs must be multiarch"); 10910 } 10911 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 10912 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 10913 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 10914 } else if (needsRenderScriptOverride) { 10915 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 10916 } 10917 } 10918 } catch (IOException ioe) { 10919 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 10920 } finally { 10921 IoUtils.closeQuietly(handle); 10922 } 10923 10924 // Now that we've calculated the ABIs and determined if it's an internal app, 10925 // we will go ahead and populate the nativeLibraryPath. 10926 setNativeLibraryPaths(pkg, appLib32InstallDir); 10927 } 10928 10929 /** 10930 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 10931 * i.e, so that all packages can be run inside a single process if required. 10932 * 10933 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 10934 * this function will either try and make the ABI for all packages in {@code packagesForUser} 10935 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 10936 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 10937 * updating a package that belongs to a shared user. 10938 * 10939 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 10940 * adds unnecessary complexity. 10941 */ 10942 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 10943 PackageParser.Package scannedPackage) { 10944 String requiredInstructionSet = null; 10945 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 10946 requiredInstructionSet = VMRuntime.getInstructionSet( 10947 scannedPackage.applicationInfo.primaryCpuAbi); 10948 } 10949 10950 PackageSetting requirer = null; 10951 for (PackageSetting ps : packagesForUser) { 10952 // If packagesForUser contains scannedPackage, we skip it. This will happen 10953 // when scannedPackage is an update of an existing package. Without this check, 10954 // we will never be able to change the ABI of any package belonging to a shared 10955 // user, even if it's compatible with other packages. 10956 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 10957 if (ps.primaryCpuAbiString == null) { 10958 continue; 10959 } 10960 10961 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 10962 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 10963 // We have a mismatch between instruction sets (say arm vs arm64) warn about 10964 // this but there's not much we can do. 10965 String errorMessage = "Instruction set mismatch, " 10966 + ((requirer == null) ? "[caller]" : requirer) 10967 + " requires " + requiredInstructionSet + " whereas " + ps 10968 + " requires " + instructionSet; 10969 Slog.w(TAG, errorMessage); 10970 } 10971 10972 if (requiredInstructionSet == null) { 10973 requiredInstructionSet = instructionSet; 10974 requirer = ps; 10975 } 10976 } 10977 } 10978 10979 if (requiredInstructionSet != null) { 10980 String adjustedAbi; 10981 if (requirer != null) { 10982 // requirer != null implies that either scannedPackage was null or that scannedPackage 10983 // did not require an ABI, in which case we have to adjust scannedPackage to match 10984 // the ABI of the set (which is the same as requirer's ABI) 10985 adjustedAbi = requirer.primaryCpuAbiString; 10986 if (scannedPackage != null) { 10987 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 10988 } 10989 } else { 10990 // requirer == null implies that we're updating all ABIs in the set to 10991 // match scannedPackage. 10992 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 10993 } 10994 10995 for (PackageSetting ps : packagesForUser) { 10996 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 10997 if (ps.primaryCpuAbiString != null) { 10998 continue; 10999 } 11000 11001 ps.primaryCpuAbiString = adjustedAbi; 11002 if (ps.pkg != null && ps.pkg.applicationInfo != null && 11003 !TextUtils.equals(adjustedAbi, ps.pkg.applicationInfo.primaryCpuAbi)) { 11004 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 11005 if (DEBUG_ABI_SELECTION) { 11006 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi 11007 + " (requirer=" 11008 + (requirer != null ? requirer.pkg : "null") 11009 + ", scannedPackage=" 11010 + (scannedPackage != null ? scannedPackage : "null") 11011 + ")"); 11012 } 11013 try { 11014 mInstaller.rmdex(ps.codePathString, 11015 getDexCodeInstructionSet(getPreferredInstructionSet())); 11016 } catch (InstallerException ignored) { 11017 } 11018 } 11019 } 11020 } 11021 } 11022 } 11023 11024 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 11025 synchronized (mPackages) { 11026 mResolverReplaced = true; 11027 // Set up information for custom user intent resolution activity. 11028 mResolveActivity.applicationInfo = pkg.applicationInfo; 11029 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 11030 mResolveActivity.packageName = pkg.applicationInfo.packageName; 11031 mResolveActivity.processName = pkg.applicationInfo.packageName; 11032 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 11033 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 11034 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 11035 mResolveActivity.theme = 0; 11036 mResolveActivity.exported = true; 11037 mResolveActivity.enabled = true; 11038 mResolveInfo.activityInfo = mResolveActivity; 11039 mResolveInfo.priority = 0; 11040 mResolveInfo.preferredOrder = 0; 11041 mResolveInfo.match = 0; 11042 mResolveComponentName = mCustomResolverComponentName; 11043 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 11044 mResolveComponentName); 11045 } 11046 } 11047 11048 private void setUpInstantAppInstallerActivityLP(ActivityInfo installerActivity) { 11049 if (installerActivity == null) { 11050 if (DEBUG_EPHEMERAL) { 11051 Slog.d(TAG, "Clear ephemeral installer activity"); 11052 } 11053 mInstantAppInstallerActivity = null; 11054 return; 11055 } 11056 11057 if (DEBUG_EPHEMERAL) { 11058 Slog.d(TAG, "Set ephemeral installer activity: " 11059 + installerActivity.getComponentName()); 11060 } 11061 // Set up information for ephemeral installer activity 11062 mInstantAppInstallerActivity = installerActivity; 11063 mInstantAppInstallerActivity.flags |= ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS 11064 | ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 11065 mInstantAppInstallerActivity.exported = true; 11066 mInstantAppInstallerActivity.enabled = true; 11067 mInstantAppInstallerInfo.activityInfo = mInstantAppInstallerActivity; 11068 mInstantAppInstallerInfo.priority = 0; 11069 mInstantAppInstallerInfo.preferredOrder = 1; 11070 mInstantAppInstallerInfo.isDefault = true; 11071 mInstantAppInstallerInfo.match = IntentFilter.MATCH_CATEGORY_SCHEME_SPECIFIC_PART 11072 | IntentFilter.MATCH_ADJUSTMENT_NORMAL; 11073 } 11074 11075 private static String calculateBundledApkRoot(final String codePathString) { 11076 final File codePath = new File(codePathString); 11077 final File codeRoot; 11078 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 11079 codeRoot = Environment.getRootDirectory(); 11080 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 11081 codeRoot = Environment.getOemDirectory(); 11082 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 11083 codeRoot = Environment.getVendorDirectory(); 11084 } else { 11085 // Unrecognized code path; take its top real segment as the apk root: 11086 // e.g. /something/app/blah.apk => /something 11087 try { 11088 File f = codePath.getCanonicalFile(); 11089 File parent = f.getParentFile(); // non-null because codePath is a file 11090 File tmp; 11091 while ((tmp = parent.getParentFile()) != null) { 11092 f = parent; 11093 parent = tmp; 11094 } 11095 codeRoot = f; 11096 Slog.w(TAG, "Unrecognized code path " 11097 + codePath + " - using " + codeRoot); 11098 } catch (IOException e) { 11099 // Can't canonicalize the code path -- shenanigans? 11100 Slog.w(TAG, "Can't canonicalize code path " + codePath); 11101 return Environment.getRootDirectory().getPath(); 11102 } 11103 } 11104 return codeRoot.getPath(); 11105 } 11106 11107 /** 11108 * Derive and set the location of native libraries for the given package, 11109 * which varies depending on where and how the package was installed. 11110 */ 11111 private static void setNativeLibraryPaths(PackageParser.Package pkg, File appLib32InstallDir) { 11112 final ApplicationInfo info = pkg.applicationInfo; 11113 final String codePath = pkg.codePath; 11114 final File codeFile = new File(codePath); 11115 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 11116 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 11117 11118 info.nativeLibraryRootDir = null; 11119 info.nativeLibraryRootRequiresIsa = false; 11120 info.nativeLibraryDir = null; 11121 info.secondaryNativeLibraryDir = null; 11122 11123 if (isApkFile(codeFile)) { 11124 // Monolithic install 11125 if (bundledApp) { 11126 // If "/system/lib64/apkname" exists, assume that is the per-package 11127 // native library directory to use; otherwise use "/system/lib/apkname". 11128 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 11129 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 11130 getPrimaryInstructionSet(info)); 11131 11132 // This is a bundled system app so choose the path based on the ABI. 11133 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 11134 // is just the default path. 11135 final String apkName = deriveCodePathName(codePath); 11136 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 11137 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 11138 apkName).getAbsolutePath(); 11139 11140 if (info.secondaryCpuAbi != null) { 11141 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 11142 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 11143 secondaryLibDir, apkName).getAbsolutePath(); 11144 } 11145 } else if (asecApp) { 11146 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 11147 .getAbsolutePath(); 11148 } else { 11149 final String apkName = deriveCodePathName(codePath); 11150 info.nativeLibraryRootDir = new File(appLib32InstallDir, apkName) 11151 .getAbsolutePath(); 11152 } 11153 11154 info.nativeLibraryRootRequiresIsa = false; 11155 info.nativeLibraryDir = info.nativeLibraryRootDir; 11156 } else { 11157 // Cluster install 11158 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 11159 info.nativeLibraryRootRequiresIsa = true; 11160 11161 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 11162 getPrimaryInstructionSet(info)).getAbsolutePath(); 11163 11164 if (info.secondaryCpuAbi != null) { 11165 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 11166 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 11167 } 11168 } 11169 } 11170 11171 /** 11172 * Calculate the abis and roots for a bundled app. These can uniquely 11173 * be determined from the contents of the system partition, i.e whether 11174 * it contains 64 or 32 bit shared libraries etc. We do not validate any 11175 * of this information, and instead assume that the system was built 11176 * sensibly. 11177 */ 11178 private static void setBundledAppAbisAndRoots(PackageParser.Package pkg, 11179 PackageSetting pkgSetting) { 11180 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 11181 11182 // If "/system/lib64/apkname" exists, assume that is the per-package 11183 // native library directory to use; otherwise use "/system/lib/apkname". 11184 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 11185 setBundledAppAbi(pkg, apkRoot, apkName); 11186 // pkgSetting might be null during rescan following uninstall of updates 11187 // to a bundled app, so accommodate that possibility. The settings in 11188 // that case will be established later from the parsed package. 11189 // 11190 // If the settings aren't null, sync them up with what we've just derived. 11191 // note that apkRoot isn't stored in the package settings. 11192 if (pkgSetting != null) { 11193 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 11194 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 11195 } 11196 } 11197 11198 /** 11199 * Deduces the ABI of a bundled app and sets the relevant fields on the 11200 * parsed pkg object. 11201 * 11202 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 11203 * under which system libraries are installed. 11204 * @param apkName the name of the installed package. 11205 */ 11206 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 11207 final File codeFile = new File(pkg.codePath); 11208 11209 final boolean has64BitLibs; 11210 final boolean has32BitLibs; 11211 if (isApkFile(codeFile)) { 11212 // Monolithic install 11213 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 11214 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 11215 } else { 11216 // Cluster install 11217 final File rootDir = new File(codeFile, LIB_DIR_NAME); 11218 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 11219 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 11220 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 11221 has64BitLibs = (new File(rootDir, isa)).exists(); 11222 } else { 11223 has64BitLibs = false; 11224 } 11225 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 11226 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 11227 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 11228 has32BitLibs = (new File(rootDir, isa)).exists(); 11229 } else { 11230 has32BitLibs = false; 11231 } 11232 } 11233 11234 if (has64BitLibs && !has32BitLibs) { 11235 // The package has 64 bit libs, but not 32 bit libs. Its primary 11236 // ABI should be 64 bit. We can safely assume here that the bundled 11237 // native libraries correspond to the most preferred ABI in the list. 11238 11239 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 11240 pkg.applicationInfo.secondaryCpuAbi = null; 11241 } else if (has32BitLibs && !has64BitLibs) { 11242 // The package has 32 bit libs but not 64 bit libs. Its primary 11243 // ABI should be 32 bit. 11244 11245 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 11246 pkg.applicationInfo.secondaryCpuAbi = null; 11247 } else if (has32BitLibs && has64BitLibs) { 11248 // The application has both 64 and 32 bit bundled libraries. We check 11249 // here that the app declares multiArch support, and warn if it doesn't. 11250 // 11251 // We will be lenient here and record both ABIs. The primary will be the 11252 // ABI that's higher on the list, i.e, a device that's configured to prefer 11253 // 64 bit apps will see a 64 bit primary ABI, 11254 11255 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 11256 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 11257 } 11258 11259 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 11260 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 11261 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 11262 } else { 11263 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 11264 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 11265 } 11266 } else { 11267 pkg.applicationInfo.primaryCpuAbi = null; 11268 pkg.applicationInfo.secondaryCpuAbi = null; 11269 } 11270 } 11271 11272 private void killApplication(String pkgName, int appId, String reason) { 11273 killApplication(pkgName, appId, UserHandle.USER_ALL, reason); 11274 } 11275 11276 private void killApplication(String pkgName, int appId, int userId, String reason) { 11277 // Request the ActivityManager to kill the process(only for existing packages) 11278 // so that we do not end up in a confused state while the user is still using the older 11279 // version of the application while the new one gets installed. 11280 final long token = Binder.clearCallingIdentity(); 11281 try { 11282 IActivityManager am = ActivityManager.getService(); 11283 if (am != null) { 11284 try { 11285 am.killApplication(pkgName, appId, userId, reason); 11286 } catch (RemoteException e) { 11287 } 11288 } 11289 } finally { 11290 Binder.restoreCallingIdentity(token); 11291 } 11292 } 11293 11294 private void removePackageLI(PackageParser.Package pkg, boolean chatty) { 11295 // Remove the parent package setting 11296 PackageSetting ps = (PackageSetting) pkg.mExtras; 11297 if (ps != null) { 11298 removePackageLI(ps, chatty); 11299 } 11300 // Remove the child package setting 11301 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 11302 for (int i = 0; i < childCount; i++) { 11303 PackageParser.Package childPkg = pkg.childPackages.get(i); 11304 ps = (PackageSetting) childPkg.mExtras; 11305 if (ps != null) { 11306 removePackageLI(ps, chatty); 11307 } 11308 } 11309 } 11310 11311 void removePackageLI(PackageSetting ps, boolean chatty) { 11312 if (DEBUG_INSTALL) { 11313 if (chatty) 11314 Log.d(TAG, "Removing package " + ps.name); 11315 } 11316 11317 // writer 11318 synchronized (mPackages) { 11319 mPackages.remove(ps.name); 11320 final PackageParser.Package pkg = ps.pkg; 11321 if (pkg != null) { 11322 cleanPackageDataStructuresLILPw(pkg, chatty); 11323 } 11324 } 11325 } 11326 11327 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 11328 if (DEBUG_INSTALL) { 11329 if (chatty) 11330 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 11331 } 11332 11333 // writer 11334 synchronized (mPackages) { 11335 // Remove the parent package 11336 mPackages.remove(pkg.applicationInfo.packageName); 11337 cleanPackageDataStructuresLILPw(pkg, chatty); 11338 11339 // Remove the child packages 11340 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 11341 for (int i = 0; i < childCount; i++) { 11342 PackageParser.Package childPkg = pkg.childPackages.get(i); 11343 mPackages.remove(childPkg.applicationInfo.packageName); 11344 cleanPackageDataStructuresLILPw(childPkg, chatty); 11345 } 11346 } 11347 } 11348 11349 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 11350 int N = pkg.providers.size(); 11351 StringBuilder r = null; 11352 int i; 11353 for (i=0; i<N; i++) { 11354 PackageParser.Provider p = pkg.providers.get(i); 11355 mProviders.removeProvider(p); 11356 if (p.info.authority == null) { 11357 11358 /* There was another ContentProvider with this authority when 11359 * this app was installed so this authority is null, 11360 * Ignore it as we don't have to unregister the provider. 11361 */ 11362 continue; 11363 } 11364 String names[] = p.info.authority.split(";"); 11365 for (int j = 0; j < names.length; j++) { 11366 if (mProvidersByAuthority.get(names[j]) == p) { 11367 mProvidersByAuthority.remove(names[j]); 11368 if (DEBUG_REMOVE) { 11369 if (chatty) 11370 Log.d(TAG, "Unregistered content provider: " + names[j] 11371 + ", className = " + p.info.name + ", isSyncable = " 11372 + p.info.isSyncable); 11373 } 11374 } 11375 } 11376 if (DEBUG_REMOVE && chatty) { 11377 if (r == null) { 11378 r = new StringBuilder(256); 11379 } else { 11380 r.append(' '); 11381 } 11382 r.append(p.info.name); 11383 } 11384 } 11385 if (r != null) { 11386 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 11387 } 11388 11389 N = pkg.services.size(); 11390 r = null; 11391 for (i=0; i<N; i++) { 11392 PackageParser.Service s = pkg.services.get(i); 11393 mServices.removeService(s); 11394 if (chatty) { 11395 if (r == null) { 11396 r = new StringBuilder(256); 11397 } else { 11398 r.append(' '); 11399 } 11400 r.append(s.info.name); 11401 } 11402 } 11403 if (r != null) { 11404 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 11405 } 11406 11407 N = pkg.receivers.size(); 11408 r = null; 11409 for (i=0; i<N; i++) { 11410 PackageParser.Activity a = pkg.receivers.get(i); 11411 mReceivers.removeActivity(a, "receiver"); 11412 if (DEBUG_REMOVE && chatty) { 11413 if (r == null) { 11414 r = new StringBuilder(256); 11415 } else { 11416 r.append(' '); 11417 } 11418 r.append(a.info.name); 11419 } 11420 } 11421 if (r != null) { 11422 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 11423 } 11424 11425 N = pkg.activities.size(); 11426 r = null; 11427 for (i=0; i<N; i++) { 11428 PackageParser.Activity a = pkg.activities.get(i); 11429 mActivities.removeActivity(a, "activity"); 11430 if (DEBUG_REMOVE && chatty) { 11431 if (r == null) { 11432 r = new StringBuilder(256); 11433 } else { 11434 r.append(' '); 11435 } 11436 r.append(a.info.name); 11437 } 11438 } 11439 if (r != null) { 11440 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 11441 } 11442 11443 mPermissionManager.removeAllPermissions(pkg, chatty); 11444 11445 N = pkg.instrumentation.size(); 11446 r = null; 11447 for (i=0; i<N; i++) { 11448 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 11449 mInstrumentation.remove(a.getComponentName()); 11450 if (DEBUG_REMOVE && chatty) { 11451 if (r == null) { 11452 r = new StringBuilder(256); 11453 } else { 11454 r.append(' '); 11455 } 11456 r.append(a.info.name); 11457 } 11458 } 11459 if (r != null) { 11460 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 11461 } 11462 11463 r = null; 11464 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 11465 // Only system apps can hold shared libraries. 11466 if (pkg.libraryNames != null) { 11467 for (i = 0; i < pkg.libraryNames.size(); i++) { 11468 String name = pkg.libraryNames.get(i); 11469 if (removeSharedLibraryLPw(name, 0)) { 11470 if (DEBUG_REMOVE && chatty) { 11471 if (r == null) { 11472 r = new StringBuilder(256); 11473 } else { 11474 r.append(' '); 11475 } 11476 r.append(name); 11477 } 11478 } 11479 } 11480 } 11481 } 11482 11483 r = null; 11484 11485 // Any package can hold static shared libraries. 11486 if (pkg.staticSharedLibName != null) { 11487 if (removeSharedLibraryLPw(pkg.staticSharedLibName, pkg.staticSharedLibVersion)) { 11488 if (DEBUG_REMOVE && chatty) { 11489 if (r == null) { 11490 r = new StringBuilder(256); 11491 } else { 11492 r.append(' '); 11493 } 11494 r.append(pkg.staticSharedLibName); 11495 } 11496 } 11497 } 11498 11499 if (r != null) { 11500 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 11501 } 11502 } 11503 11504 11505 final class ActivityIntentResolver 11506 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 11507 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 11508 boolean defaultOnly, int userId) { 11509 if (!sUserManager.exists(userId)) return null; 11510 mFlags = (defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0); 11511 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 11512 } 11513 11514 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 11515 int userId) { 11516 if (!sUserManager.exists(userId)) return null; 11517 mFlags = flags; 11518 return super.queryIntent(intent, resolvedType, 11519 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 11520 userId); 11521 } 11522 11523 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 11524 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 11525 if (!sUserManager.exists(userId)) return null; 11526 if (packageActivities == null) { 11527 return null; 11528 } 11529 mFlags = flags; 11530 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 11531 final int N = packageActivities.size(); 11532 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 11533 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 11534 11535 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 11536 for (int i = 0; i < N; ++i) { 11537 intentFilters = packageActivities.get(i).intents; 11538 if (intentFilters != null && intentFilters.size() > 0) { 11539 PackageParser.ActivityIntentInfo[] array = 11540 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 11541 intentFilters.toArray(array); 11542 listCut.add(array); 11543 } 11544 } 11545 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 11546 } 11547 11548 /** 11549 * Finds a privileged activity that matches the specified activity names. 11550 */ 11551 private PackageParser.Activity findMatchingActivity( 11552 List<PackageParser.Activity> activityList, ActivityInfo activityInfo) { 11553 for (PackageParser.Activity sysActivity : activityList) { 11554 if (sysActivity.info.name.equals(activityInfo.name)) { 11555 return sysActivity; 11556 } 11557 if (sysActivity.info.name.equals(activityInfo.targetActivity)) { 11558 return sysActivity; 11559 } 11560 if (sysActivity.info.targetActivity != null) { 11561 if (sysActivity.info.targetActivity.equals(activityInfo.name)) { 11562 return sysActivity; 11563 } 11564 if (sysActivity.info.targetActivity.equals(activityInfo.targetActivity)) { 11565 return sysActivity; 11566 } 11567 } 11568 } 11569 return null; 11570 } 11571 11572 public class IterGenerator<E> { 11573 public Iterator<E> generate(ActivityIntentInfo info) { 11574 return null; 11575 } 11576 } 11577 11578 public class ActionIterGenerator extends IterGenerator<String> { 11579 @Override 11580 public Iterator<String> generate(ActivityIntentInfo info) { 11581 return info.actionsIterator(); 11582 } 11583 } 11584 11585 public class CategoriesIterGenerator extends IterGenerator<String> { 11586 @Override 11587 public Iterator<String> generate(ActivityIntentInfo info) { 11588 return info.categoriesIterator(); 11589 } 11590 } 11591 11592 public class SchemesIterGenerator extends IterGenerator<String> { 11593 @Override 11594 public Iterator<String> generate(ActivityIntentInfo info) { 11595 return info.schemesIterator(); 11596 } 11597 } 11598 11599 public class AuthoritiesIterGenerator extends IterGenerator<IntentFilter.AuthorityEntry> { 11600 @Override 11601 public Iterator<IntentFilter.AuthorityEntry> generate(ActivityIntentInfo info) { 11602 return info.authoritiesIterator(); 11603 } 11604 } 11605 11606 /** 11607 * <em>WARNING</em> for performance reasons, the passed in intentList WILL BE 11608 * MODIFIED. Do not pass in a list that should not be changed. 11609 */ 11610 private <T> void getIntentListSubset(List<ActivityIntentInfo> intentList, 11611 IterGenerator<T> generator, Iterator<T> searchIterator) { 11612 // loop through the set of actions; every one must be found in the intent filter 11613 while (searchIterator.hasNext()) { 11614 // we must have at least one filter in the list to consider a match 11615 if (intentList.size() == 0) { 11616 break; 11617 } 11618 11619 final T searchAction = searchIterator.next(); 11620 11621 // loop through the set of intent filters 11622 final Iterator<ActivityIntentInfo> intentIter = intentList.iterator(); 11623 while (intentIter.hasNext()) { 11624 final ActivityIntentInfo intentInfo = intentIter.next(); 11625 boolean selectionFound = false; 11626 11627 // loop through the intent filter's selection criteria; at least one 11628 // of them must match the searched criteria 11629 final Iterator<T> intentSelectionIter = generator.generate(intentInfo); 11630 while (intentSelectionIter != null && intentSelectionIter.hasNext()) { 11631 final T intentSelection = intentSelectionIter.next(); 11632 if (intentSelection != null && intentSelection.equals(searchAction)) { 11633 selectionFound = true; 11634 break; 11635 } 11636 } 11637 11638 // the selection criteria wasn't found in this filter's set; this filter 11639 // is not a potential match 11640 if (!selectionFound) { 11641 intentIter.remove(); 11642 } 11643 } 11644 } 11645 } 11646 11647 private boolean isProtectedAction(ActivityIntentInfo filter) { 11648 final Iterator<String> actionsIter = filter.actionsIterator(); 11649 while (actionsIter != null && actionsIter.hasNext()) { 11650 final String filterAction = actionsIter.next(); 11651 if (PROTECTED_ACTIONS.contains(filterAction)) { 11652 return true; 11653 } 11654 } 11655 return false; 11656 } 11657 11658 /** 11659 * Adjusts the priority of the given intent filter according to policy. 11660 * <p> 11661 * <ul> 11662 * <li>The priority for non privileged applications is capped to '0'</li> 11663 * <li>The priority for protected actions on privileged applications is capped to '0'</li> 11664 * <li>The priority for unbundled updates to privileged applications is capped to the 11665 * priority defined on the system partition</li> 11666 * </ul> 11667 * <p> 11668 * <em>NOTE:</em> There is one exception. For security reasons, the setup wizard is 11669 * allowed to obtain any priority on any action. 11670 */ 11671 private void adjustPriority( 11672 List<PackageParser.Activity> systemActivities, ActivityIntentInfo intent) { 11673 // nothing to do; priority is fine as-is 11674 if (intent.getPriority() <= 0) { 11675 return; 11676 } 11677 11678 final ActivityInfo activityInfo = intent.activity.info; 11679 final ApplicationInfo applicationInfo = activityInfo.applicationInfo; 11680 11681 final boolean privilegedApp = 11682 ((applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0); 11683 if (!privilegedApp) { 11684 // non-privileged applications can never define a priority >0 11685 if (DEBUG_FILTERS) { 11686 Slog.i(TAG, "Non-privileged app; cap priority to 0;" 11687 + " package: " + applicationInfo.packageName 11688 + " activity: " + intent.activity.className 11689 + " origPrio: " + intent.getPriority()); 11690 } 11691 intent.setPriority(0); 11692 return; 11693 } 11694 11695 if (systemActivities == null) { 11696 // the system package is not disabled; we're parsing the system partition 11697 if (isProtectedAction(intent)) { 11698 if (mDeferProtectedFilters) { 11699 // We can't deal with these just yet. No component should ever obtain a 11700 // >0 priority for a protected actions, with ONE exception -- the setup 11701 // wizard. The setup wizard, however, cannot be known until we're able to 11702 // query it for the category CATEGORY_SETUP_WIZARD. Which we can't do 11703 // until all intent filters have been processed. Chicken, meet egg. 11704 // Let the filter temporarily have a high priority and rectify the 11705 // priorities after all system packages have been scanned. 11706 mProtectedFilters.add(intent); 11707 if (DEBUG_FILTERS) { 11708 Slog.i(TAG, "Protected action; save for later;" 11709 + " package: " + applicationInfo.packageName 11710 + " activity: " + intent.activity.className 11711 + " origPrio: " + intent.getPriority()); 11712 } 11713 return; 11714 } else { 11715 if (DEBUG_FILTERS && mSetupWizardPackage == null) { 11716 Slog.i(TAG, "No setup wizard;" 11717 + " All protected intents capped to priority 0"); 11718 } 11719 if (intent.activity.info.packageName.equals(mSetupWizardPackage)) { 11720 if (DEBUG_FILTERS) { 11721 Slog.i(TAG, "Found setup wizard;" 11722 + " allow priority " + intent.getPriority() + ";" 11723 + " package: " + intent.activity.info.packageName 11724 + " activity: " + intent.activity.className 11725 + " priority: " + intent.getPriority()); 11726 } 11727 // setup wizard gets whatever it wants 11728 return; 11729 } 11730 if (DEBUG_FILTERS) { 11731 Slog.i(TAG, "Protected action; cap priority to 0;" 11732 + " package: " + intent.activity.info.packageName 11733 + " activity: " + intent.activity.className 11734 + " origPrio: " + intent.getPriority()); 11735 } 11736 intent.setPriority(0); 11737 return; 11738 } 11739 } 11740 // privileged apps on the system image get whatever priority they request 11741 return; 11742 } 11743 11744 // privileged app unbundled update ... try to find the same activity 11745 final PackageParser.Activity foundActivity = 11746 findMatchingActivity(systemActivities, activityInfo); 11747 if (foundActivity == null) { 11748 // this is a new activity; it cannot obtain >0 priority 11749 if (DEBUG_FILTERS) { 11750 Slog.i(TAG, "New activity; cap priority to 0;" 11751 + " package: " + applicationInfo.packageName 11752 + " activity: " + intent.activity.className 11753 + " origPrio: " + intent.getPriority()); 11754 } 11755 intent.setPriority(0); 11756 return; 11757 } 11758 11759 // found activity, now check for filter equivalence 11760 11761 // a shallow copy is enough; we modify the list, not its contents 11762 final List<ActivityIntentInfo> intentListCopy = 11763 new ArrayList<>(foundActivity.intents); 11764 final List<ActivityIntentInfo> foundFilters = findFilters(intent); 11765 11766 // find matching action subsets 11767 final Iterator<String> actionsIterator = intent.actionsIterator(); 11768 if (actionsIterator != null) { 11769 getIntentListSubset( 11770 intentListCopy, new ActionIterGenerator(), actionsIterator); 11771 if (intentListCopy.size() == 0) { 11772 // no more intents to match; we're not equivalent 11773 if (DEBUG_FILTERS) { 11774 Slog.i(TAG, "Mismatched action; cap priority to 0;" 11775 + " package: " + applicationInfo.packageName 11776 + " activity: " + intent.activity.className 11777 + " origPrio: " + intent.getPriority()); 11778 } 11779 intent.setPriority(0); 11780 return; 11781 } 11782 } 11783 11784 // find matching category subsets 11785 final Iterator<String> categoriesIterator = intent.categoriesIterator(); 11786 if (categoriesIterator != null) { 11787 getIntentListSubset(intentListCopy, new CategoriesIterGenerator(), 11788 categoriesIterator); 11789 if (intentListCopy.size() == 0) { 11790 // no more intents to match; we're not equivalent 11791 if (DEBUG_FILTERS) { 11792 Slog.i(TAG, "Mismatched category; cap priority to 0;" 11793 + " package: " + applicationInfo.packageName 11794 + " activity: " + intent.activity.className 11795 + " origPrio: " + intent.getPriority()); 11796 } 11797 intent.setPriority(0); 11798 return; 11799 } 11800 } 11801 11802 // find matching schemes subsets 11803 final Iterator<String> schemesIterator = intent.schemesIterator(); 11804 if (schemesIterator != null) { 11805 getIntentListSubset(intentListCopy, new SchemesIterGenerator(), 11806 schemesIterator); 11807 if (intentListCopy.size() == 0) { 11808 // no more intents to match; we're not equivalent 11809 if (DEBUG_FILTERS) { 11810 Slog.i(TAG, "Mismatched scheme; cap priority to 0;" 11811 + " package: " + applicationInfo.packageName 11812 + " activity: " + intent.activity.className 11813 + " origPrio: " + intent.getPriority()); 11814 } 11815 intent.setPriority(0); 11816 return; 11817 } 11818 } 11819 11820 // find matching authorities subsets 11821 final Iterator<IntentFilter.AuthorityEntry> 11822 authoritiesIterator = intent.authoritiesIterator(); 11823 if (authoritiesIterator != null) { 11824 getIntentListSubset(intentListCopy, 11825 new AuthoritiesIterGenerator(), 11826 authoritiesIterator); 11827 if (intentListCopy.size() == 0) { 11828 // no more intents to match; we're not equivalent 11829 if (DEBUG_FILTERS) { 11830 Slog.i(TAG, "Mismatched authority; cap priority to 0;" 11831 + " package: " + applicationInfo.packageName 11832 + " activity: " + intent.activity.className 11833 + " origPrio: " + intent.getPriority()); 11834 } 11835 intent.setPriority(0); 11836 return; 11837 } 11838 } 11839 11840 // we found matching filter(s); app gets the max priority of all intents 11841 int cappedPriority = 0; 11842 for (int i = intentListCopy.size() - 1; i >= 0; --i) { 11843 cappedPriority = Math.max(cappedPriority, intentListCopy.get(i).getPriority()); 11844 } 11845 if (intent.getPriority() > cappedPriority) { 11846 if (DEBUG_FILTERS) { 11847 Slog.i(TAG, "Found matching filter(s);" 11848 + " cap priority to " + cappedPriority + ";" 11849 + " package: " + applicationInfo.packageName 11850 + " activity: " + intent.activity.className 11851 + " origPrio: " + intent.getPriority()); 11852 } 11853 intent.setPriority(cappedPriority); 11854 return; 11855 } 11856 // all this for nothing; the requested priority was <= what was on the system 11857 } 11858 11859 public final void addActivity(PackageParser.Activity a, String type) { 11860 mActivities.put(a.getComponentName(), a); 11861 if (DEBUG_SHOW_INFO) 11862 Log.v( 11863 TAG, " " + type + " " + 11864 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 11865 if (DEBUG_SHOW_INFO) 11866 Log.v(TAG, " Class=" + a.info.name); 11867 final int NI = a.intents.size(); 11868 for (int j=0; j<NI; j++) { 11869 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 11870 if ("activity".equals(type)) { 11871 final PackageSetting ps = 11872 mSettings.getDisabledSystemPkgLPr(intent.activity.info.packageName); 11873 final List<PackageParser.Activity> systemActivities = 11874 ps != null && ps.pkg != null ? ps.pkg.activities : null; 11875 adjustPriority(systemActivities, intent); 11876 } 11877 if (DEBUG_SHOW_INFO) { 11878 Log.v(TAG, " IntentFilter:"); 11879 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11880 } 11881 if (!intent.debugCheck()) { 11882 Log.w(TAG, "==> For Activity " + a.info.name); 11883 } 11884 addFilter(intent); 11885 } 11886 } 11887 11888 public final void removeActivity(PackageParser.Activity a, String type) { 11889 mActivities.remove(a.getComponentName()); 11890 if (DEBUG_SHOW_INFO) { 11891 Log.v(TAG, " " + type + " " 11892 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 11893 : a.info.name) + ":"); 11894 Log.v(TAG, " Class=" + a.info.name); 11895 } 11896 final int NI = a.intents.size(); 11897 for (int j=0; j<NI; j++) { 11898 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 11899 if (DEBUG_SHOW_INFO) { 11900 Log.v(TAG, " IntentFilter:"); 11901 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 11902 } 11903 removeFilter(intent); 11904 } 11905 } 11906 11907 @Override 11908 protected boolean allowFilterResult( 11909 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 11910 ActivityInfo filterAi = filter.activity.info; 11911 for (int i=dest.size()-1; i>=0; i--) { 11912 ActivityInfo destAi = dest.get(i).activityInfo; 11913 if (destAi.name == filterAi.name 11914 && destAi.packageName == filterAi.packageName) { 11915 return false; 11916 } 11917 } 11918 return true; 11919 } 11920 11921 @Override 11922 protected ActivityIntentInfo[] newArray(int size) { 11923 return new ActivityIntentInfo[size]; 11924 } 11925 11926 @Override 11927 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 11928 if (!sUserManager.exists(userId)) return true; 11929 PackageParser.Package p = filter.activity.owner; 11930 if (p != null) { 11931 PackageSetting ps = (PackageSetting)p.mExtras; 11932 if (ps != null) { 11933 // System apps are never considered stopped for purposes of 11934 // filtering, because there may be no way for the user to 11935 // actually re-launch them. 11936 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 11937 && ps.getStopped(userId); 11938 } 11939 } 11940 return false; 11941 } 11942 11943 @Override 11944 protected boolean isPackageForFilter(String packageName, 11945 PackageParser.ActivityIntentInfo info) { 11946 return packageName.equals(info.activity.owner.packageName); 11947 } 11948 11949 @Override 11950 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 11951 int match, int userId) { 11952 if (!sUserManager.exists(userId)) return null; 11953 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 11954 return null; 11955 } 11956 final PackageParser.Activity activity = info.activity; 11957 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 11958 if (ps == null) { 11959 return null; 11960 } 11961 final PackageUserState userState = ps.readUserState(userId); 11962 ActivityInfo ai = 11963 PackageParser.generateActivityInfo(activity, mFlags, userState, userId); 11964 if (ai == null) { 11965 return null; 11966 } 11967 final boolean matchExplicitlyVisibleOnly = 11968 (mFlags & PackageManager.MATCH_EXPLICITLY_VISIBLE_ONLY) != 0; 11969 final boolean matchVisibleToInstantApp = 11970 (mFlags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 11971 final boolean componentVisible = 11972 matchVisibleToInstantApp 11973 && info.isVisibleToInstantApp() 11974 && (!matchExplicitlyVisibleOnly || info.isExplicitlyVisibleToInstantApp()); 11975 final boolean matchInstantApp = (mFlags & PackageManager.MATCH_INSTANT) != 0; 11976 // throw out filters that aren't visible to ephemeral apps 11977 if (matchVisibleToInstantApp && !(componentVisible || userState.instantApp)) { 11978 return null; 11979 } 11980 // throw out instant app filters if we're not explicitly requesting them 11981 if (!matchInstantApp && userState.instantApp) { 11982 return null; 11983 } 11984 // throw out instant app filters if updates are available; will trigger 11985 // instant app resolution 11986 if (userState.instantApp && ps.isUpdateAvailable()) { 11987 return null; 11988 } 11989 final ResolveInfo res = new ResolveInfo(); 11990 res.activityInfo = ai; 11991 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 11992 res.filter = info; 11993 } 11994 if (info != null) { 11995 res.handleAllWebDataURI = info.handleAllWebDataURI(); 11996 } 11997 res.priority = info.getPriority(); 11998 res.preferredOrder = activity.owner.mPreferredOrder; 11999 //System.out.println("Result: " + res.activityInfo.className + 12000 // " = " + res.priority); 12001 res.match = match; 12002 res.isDefault = info.hasDefault; 12003 res.labelRes = info.labelRes; 12004 res.nonLocalizedLabel = info.nonLocalizedLabel; 12005 if (userNeedsBadging(userId)) { 12006 res.noResourceId = true; 12007 } else { 12008 res.icon = info.icon; 12009 } 12010 res.iconResourceId = info.icon; 12011 res.system = res.activityInfo.applicationInfo.isSystemApp(); 12012 res.isInstantAppAvailable = userState.instantApp; 12013 return res; 12014 } 12015 12016 @Override 12017 protected void sortResults(List<ResolveInfo> results) { 12018 Collections.sort(results, mResolvePrioritySorter); 12019 } 12020 12021 @Override 12022 protected void dumpFilter(PrintWriter out, String prefix, 12023 PackageParser.ActivityIntentInfo filter) { 12024 out.print(prefix); out.print( 12025 Integer.toHexString(System.identityHashCode(filter.activity))); 12026 out.print(' '); 12027 filter.activity.printComponentShortName(out); 12028 out.print(" filter "); 12029 out.println(Integer.toHexString(System.identityHashCode(filter))); 12030 } 12031 12032 @Override 12033 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 12034 return filter.activity; 12035 } 12036 12037 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12038 PackageParser.Activity activity = (PackageParser.Activity)label; 12039 out.print(prefix); out.print( 12040 Integer.toHexString(System.identityHashCode(activity))); 12041 out.print(' '); 12042 activity.printComponentShortName(out); 12043 if (count > 1) { 12044 out.print(" ("); out.print(count); out.print(" filters)"); 12045 } 12046 out.println(); 12047 } 12048 12049 // Keys are String (activity class name), values are Activity. 12050 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 12051 = new ArrayMap<ComponentName, PackageParser.Activity>(); 12052 private int mFlags; 12053 } 12054 12055 private final class ServiceIntentResolver 12056 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 12057 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 12058 boolean defaultOnly, int userId) { 12059 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 12060 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 12061 } 12062 12063 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 12064 int userId) { 12065 if (!sUserManager.exists(userId)) return null; 12066 mFlags = flags; 12067 return super.queryIntent(intent, resolvedType, 12068 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 12069 userId); 12070 } 12071 12072 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 12073 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 12074 if (!sUserManager.exists(userId)) return null; 12075 if (packageServices == null) { 12076 return null; 12077 } 12078 mFlags = flags; 12079 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 12080 final int N = packageServices.size(); 12081 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 12082 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 12083 12084 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 12085 for (int i = 0; i < N; ++i) { 12086 intentFilters = packageServices.get(i).intents; 12087 if (intentFilters != null && intentFilters.size() > 0) { 12088 PackageParser.ServiceIntentInfo[] array = 12089 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 12090 intentFilters.toArray(array); 12091 listCut.add(array); 12092 } 12093 } 12094 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 12095 } 12096 12097 public final void addService(PackageParser.Service s) { 12098 mServices.put(s.getComponentName(), s); 12099 if (DEBUG_SHOW_INFO) { 12100 Log.v(TAG, " " 12101 + (s.info.nonLocalizedLabel != null 12102 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 12103 Log.v(TAG, " Class=" + s.info.name); 12104 } 12105 final int NI = s.intents.size(); 12106 int j; 12107 for (j=0; j<NI; j++) { 12108 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 12109 if (DEBUG_SHOW_INFO) { 12110 Log.v(TAG, " IntentFilter:"); 12111 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12112 } 12113 if (!intent.debugCheck()) { 12114 Log.w(TAG, "==> For Service " + s.info.name); 12115 } 12116 addFilter(intent); 12117 } 12118 } 12119 12120 public final void removeService(PackageParser.Service s) { 12121 mServices.remove(s.getComponentName()); 12122 if (DEBUG_SHOW_INFO) { 12123 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 12124 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 12125 Log.v(TAG, " Class=" + s.info.name); 12126 } 12127 final int NI = s.intents.size(); 12128 int j; 12129 for (j=0; j<NI; j++) { 12130 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 12131 if (DEBUG_SHOW_INFO) { 12132 Log.v(TAG, " IntentFilter:"); 12133 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12134 } 12135 removeFilter(intent); 12136 } 12137 } 12138 12139 @Override 12140 protected boolean allowFilterResult( 12141 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 12142 ServiceInfo filterSi = filter.service.info; 12143 for (int i=dest.size()-1; i>=0; i--) { 12144 ServiceInfo destAi = dest.get(i).serviceInfo; 12145 if (destAi.name == filterSi.name 12146 && destAi.packageName == filterSi.packageName) { 12147 return false; 12148 } 12149 } 12150 return true; 12151 } 12152 12153 @Override 12154 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 12155 return new PackageParser.ServiceIntentInfo[size]; 12156 } 12157 12158 @Override 12159 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 12160 if (!sUserManager.exists(userId)) return true; 12161 PackageParser.Package p = filter.service.owner; 12162 if (p != null) { 12163 PackageSetting ps = (PackageSetting)p.mExtras; 12164 if (ps != null) { 12165 // System apps are never considered stopped for purposes of 12166 // filtering, because there may be no way for the user to 12167 // actually re-launch them. 12168 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 12169 && ps.getStopped(userId); 12170 } 12171 } 12172 return false; 12173 } 12174 12175 @Override 12176 protected boolean isPackageForFilter(String packageName, 12177 PackageParser.ServiceIntentInfo info) { 12178 return packageName.equals(info.service.owner.packageName); 12179 } 12180 12181 @Override 12182 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 12183 int match, int userId) { 12184 if (!sUserManager.exists(userId)) return null; 12185 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 12186 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 12187 return null; 12188 } 12189 final PackageParser.Service service = info.service; 12190 PackageSetting ps = (PackageSetting) service.owner.mExtras; 12191 if (ps == null) { 12192 return null; 12193 } 12194 final PackageUserState userState = ps.readUserState(userId); 12195 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 12196 userState, userId); 12197 if (si == null) { 12198 return null; 12199 } 12200 final boolean matchVisibleToInstantApp = 12201 (mFlags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 12202 final boolean isInstantApp = (mFlags & PackageManager.MATCH_INSTANT) != 0; 12203 // throw out filters that aren't visible to ephemeral apps 12204 if (matchVisibleToInstantApp 12205 && !(info.isVisibleToInstantApp() || userState.instantApp)) { 12206 return null; 12207 } 12208 // throw out ephemeral filters if we're not explicitly requesting them 12209 if (!isInstantApp && userState.instantApp) { 12210 return null; 12211 } 12212 // throw out instant app filters if updates are available; will trigger 12213 // instant app resolution 12214 if (userState.instantApp && ps.isUpdateAvailable()) { 12215 return null; 12216 } 12217 final ResolveInfo res = new ResolveInfo(); 12218 res.serviceInfo = si; 12219 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 12220 res.filter = filter; 12221 } 12222 res.priority = info.getPriority(); 12223 res.preferredOrder = service.owner.mPreferredOrder; 12224 res.match = match; 12225 res.isDefault = info.hasDefault; 12226 res.labelRes = info.labelRes; 12227 res.nonLocalizedLabel = info.nonLocalizedLabel; 12228 res.icon = info.icon; 12229 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 12230 return res; 12231 } 12232 12233 @Override 12234 protected void sortResults(List<ResolveInfo> results) { 12235 Collections.sort(results, mResolvePrioritySorter); 12236 } 12237 12238 @Override 12239 protected void dumpFilter(PrintWriter out, String prefix, 12240 PackageParser.ServiceIntentInfo filter) { 12241 out.print(prefix); out.print( 12242 Integer.toHexString(System.identityHashCode(filter.service))); 12243 out.print(' '); 12244 filter.service.printComponentShortName(out); 12245 out.print(" filter "); 12246 out.println(Integer.toHexString(System.identityHashCode(filter))); 12247 } 12248 12249 @Override 12250 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 12251 return filter.service; 12252 } 12253 12254 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12255 PackageParser.Service service = (PackageParser.Service)label; 12256 out.print(prefix); out.print( 12257 Integer.toHexString(System.identityHashCode(service))); 12258 out.print(' '); 12259 service.printComponentShortName(out); 12260 if (count > 1) { 12261 out.print(" ("); out.print(count); out.print(" filters)"); 12262 } 12263 out.println(); 12264 } 12265 12266// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 12267// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 12268// final List<ResolveInfo> retList = Lists.newArrayList(); 12269// while (i.hasNext()) { 12270// final ResolveInfo resolveInfo = (ResolveInfo) i; 12271// if (isEnabledLP(resolveInfo.serviceInfo)) { 12272// retList.add(resolveInfo); 12273// } 12274// } 12275// return retList; 12276// } 12277 12278 // Keys are String (activity class name), values are Activity. 12279 private final ArrayMap<ComponentName, PackageParser.Service> mServices 12280 = new ArrayMap<ComponentName, PackageParser.Service>(); 12281 private int mFlags; 12282 } 12283 12284 private final class ProviderIntentResolver 12285 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 12286 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 12287 boolean defaultOnly, int userId) { 12288 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 12289 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 12290 } 12291 12292 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 12293 int userId) { 12294 if (!sUserManager.exists(userId)) 12295 return null; 12296 mFlags = flags; 12297 return super.queryIntent(intent, resolvedType, 12298 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, 12299 userId); 12300 } 12301 12302 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 12303 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 12304 if (!sUserManager.exists(userId)) 12305 return null; 12306 if (packageProviders == null) { 12307 return null; 12308 } 12309 mFlags = flags; 12310 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 12311 final int N = packageProviders.size(); 12312 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 12313 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 12314 12315 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 12316 for (int i = 0; i < N; ++i) { 12317 intentFilters = packageProviders.get(i).intents; 12318 if (intentFilters != null && intentFilters.size() > 0) { 12319 PackageParser.ProviderIntentInfo[] array = 12320 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 12321 intentFilters.toArray(array); 12322 listCut.add(array); 12323 } 12324 } 12325 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 12326 } 12327 12328 public final void addProvider(PackageParser.Provider p) { 12329 if (mProviders.containsKey(p.getComponentName())) { 12330 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 12331 return; 12332 } 12333 12334 mProviders.put(p.getComponentName(), p); 12335 if (DEBUG_SHOW_INFO) { 12336 Log.v(TAG, " " 12337 + (p.info.nonLocalizedLabel != null 12338 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 12339 Log.v(TAG, " Class=" + p.info.name); 12340 } 12341 final int NI = p.intents.size(); 12342 int j; 12343 for (j = 0; j < NI; j++) { 12344 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 12345 if (DEBUG_SHOW_INFO) { 12346 Log.v(TAG, " IntentFilter:"); 12347 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12348 } 12349 if (!intent.debugCheck()) { 12350 Log.w(TAG, "==> For Provider " + p.info.name); 12351 } 12352 addFilter(intent); 12353 } 12354 } 12355 12356 public final void removeProvider(PackageParser.Provider p) { 12357 mProviders.remove(p.getComponentName()); 12358 if (DEBUG_SHOW_INFO) { 12359 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 12360 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 12361 Log.v(TAG, " Class=" + p.info.name); 12362 } 12363 final int NI = p.intents.size(); 12364 int j; 12365 for (j = 0; j < NI; j++) { 12366 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 12367 if (DEBUG_SHOW_INFO) { 12368 Log.v(TAG, " IntentFilter:"); 12369 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 12370 } 12371 removeFilter(intent); 12372 } 12373 } 12374 12375 @Override 12376 protected boolean allowFilterResult( 12377 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 12378 ProviderInfo filterPi = filter.provider.info; 12379 for (int i = dest.size() - 1; i >= 0; i--) { 12380 ProviderInfo destPi = dest.get(i).providerInfo; 12381 if (destPi.name == filterPi.name 12382 && destPi.packageName == filterPi.packageName) { 12383 return false; 12384 } 12385 } 12386 return true; 12387 } 12388 12389 @Override 12390 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 12391 return new PackageParser.ProviderIntentInfo[size]; 12392 } 12393 12394 @Override 12395 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 12396 if (!sUserManager.exists(userId)) 12397 return true; 12398 PackageParser.Package p = filter.provider.owner; 12399 if (p != null) { 12400 PackageSetting ps = (PackageSetting) p.mExtras; 12401 if (ps != null) { 12402 // System apps are never considered stopped for purposes of 12403 // filtering, because there may be no way for the user to 12404 // actually re-launch them. 12405 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 12406 && ps.getStopped(userId); 12407 } 12408 } 12409 return false; 12410 } 12411 12412 @Override 12413 protected boolean isPackageForFilter(String packageName, 12414 PackageParser.ProviderIntentInfo info) { 12415 return packageName.equals(info.provider.owner.packageName); 12416 } 12417 12418 @Override 12419 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 12420 int match, int userId) { 12421 if (!sUserManager.exists(userId)) 12422 return null; 12423 final PackageParser.ProviderIntentInfo info = filter; 12424 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 12425 return null; 12426 } 12427 final PackageParser.Provider provider = info.provider; 12428 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 12429 if (ps == null) { 12430 return null; 12431 } 12432 final PackageUserState userState = ps.readUserState(userId); 12433 final boolean matchVisibleToInstantApp = 12434 (mFlags & PackageManager.MATCH_VISIBLE_TO_INSTANT_APP_ONLY) != 0; 12435 final boolean isInstantApp = (mFlags & PackageManager.MATCH_INSTANT) != 0; 12436 // throw out filters that aren't visible to instant applications 12437 if (matchVisibleToInstantApp 12438 && !(info.isVisibleToInstantApp() || userState.instantApp)) { 12439 return null; 12440 } 12441 // throw out instant application filters if we're not explicitly requesting them 12442 if (!isInstantApp && userState.instantApp) { 12443 return null; 12444 } 12445 // throw out instant application filters if updates are available; will trigger 12446 // instant application resolution 12447 if (userState.instantApp && ps.isUpdateAvailable()) { 12448 return null; 12449 } 12450 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 12451 userState, userId); 12452 if (pi == null) { 12453 return null; 12454 } 12455 final ResolveInfo res = new ResolveInfo(); 12456 res.providerInfo = pi; 12457 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 12458 res.filter = filter; 12459 } 12460 res.priority = info.getPriority(); 12461 res.preferredOrder = provider.owner.mPreferredOrder; 12462 res.match = match; 12463 res.isDefault = info.hasDefault; 12464 res.labelRes = info.labelRes; 12465 res.nonLocalizedLabel = info.nonLocalizedLabel; 12466 res.icon = info.icon; 12467 res.system = res.providerInfo.applicationInfo.isSystemApp(); 12468 return res; 12469 } 12470 12471 @Override 12472 protected void sortResults(List<ResolveInfo> results) { 12473 Collections.sort(results, mResolvePrioritySorter); 12474 } 12475 12476 @Override 12477 protected void dumpFilter(PrintWriter out, String prefix, 12478 PackageParser.ProviderIntentInfo filter) { 12479 out.print(prefix); 12480 out.print( 12481 Integer.toHexString(System.identityHashCode(filter.provider))); 12482 out.print(' '); 12483 filter.provider.printComponentShortName(out); 12484 out.print(" filter "); 12485 out.println(Integer.toHexString(System.identityHashCode(filter))); 12486 } 12487 12488 @Override 12489 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 12490 return filter.provider; 12491 } 12492 12493 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 12494 PackageParser.Provider provider = (PackageParser.Provider)label; 12495 out.print(prefix); out.print( 12496 Integer.toHexString(System.identityHashCode(provider))); 12497 out.print(' '); 12498 provider.printComponentShortName(out); 12499 if (count > 1) { 12500 out.print(" ("); out.print(count); out.print(" filters)"); 12501 } 12502 out.println(); 12503 } 12504 12505 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 12506 = new ArrayMap<ComponentName, PackageParser.Provider>(); 12507 private int mFlags; 12508 } 12509 12510 static final class EphemeralIntentResolver 12511 extends IntentResolver<AuxiliaryResolveInfo, AuxiliaryResolveInfo> { 12512 /** 12513 * The result that has the highest defined order. Ordering applies on a 12514 * per-package basis. Mapping is from package name to Pair of order and 12515 * EphemeralResolveInfo. 12516 * <p> 12517 * NOTE: This is implemented as a field variable for convenience and efficiency. 12518 * By having a field variable, we're able to track filter ordering as soon as 12519 * a non-zero order is defined. Otherwise, multiple loops across the result set 12520 * would be needed to apply ordering. If the intent resolver becomes re-entrant, 12521 * this needs to be contained entirely within {@link #filterResults}. 12522 */ 12523 final ArrayMap<String, Pair<Integer, InstantAppResolveInfo>> mOrderResult = new ArrayMap<>(); 12524 12525 @Override 12526 protected AuxiliaryResolveInfo[] newArray(int size) { 12527 return new AuxiliaryResolveInfo[size]; 12528 } 12529 12530 @Override 12531 protected boolean isPackageForFilter(String packageName, AuxiliaryResolveInfo responseObj) { 12532 return true; 12533 } 12534 12535 @Override 12536 protected AuxiliaryResolveInfo newResult(AuxiliaryResolveInfo responseObj, int match, 12537 int userId) { 12538 if (!sUserManager.exists(userId)) { 12539 return null; 12540 } 12541 final String packageName = responseObj.resolveInfo.getPackageName(); 12542 final Integer order = responseObj.getOrder(); 12543 final Pair<Integer, InstantAppResolveInfo> lastOrderResult = 12544 mOrderResult.get(packageName); 12545 // ordering is enabled and this item's order isn't high enough 12546 if (lastOrderResult != null && lastOrderResult.first >= order) { 12547 return null; 12548 } 12549 final InstantAppResolveInfo res = responseObj.resolveInfo; 12550 if (order > 0) { 12551 // non-zero order, enable ordering 12552 mOrderResult.put(packageName, new Pair<>(order, res)); 12553 } 12554 return responseObj; 12555 } 12556 12557 @Override 12558 protected void filterResults(List<AuxiliaryResolveInfo> results) { 12559 // only do work if ordering is enabled [most of the time it won't be] 12560 if (mOrderResult.size() == 0) { 12561 return; 12562 } 12563 int resultSize = results.size(); 12564 for (int i = 0; i < resultSize; i++) { 12565 final InstantAppResolveInfo info = results.get(i).resolveInfo; 12566 final String packageName = info.getPackageName(); 12567 final Pair<Integer, InstantAppResolveInfo> savedInfo = mOrderResult.get(packageName); 12568 if (savedInfo == null) { 12569 // package doesn't having ordering 12570 continue; 12571 } 12572 if (savedInfo.second == info) { 12573 // circled back to the highest ordered item; remove from order list 12574 mOrderResult.remove(packageName); 12575 if (mOrderResult.size() == 0) { 12576 // no more ordered items 12577 break; 12578 } 12579 continue; 12580 } 12581 // item has a worse order, remove it from the result list 12582 results.remove(i); 12583 resultSize--; 12584 i--; 12585 } 12586 } 12587 } 12588 12589 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 12590 new Comparator<ResolveInfo>() { 12591 public int compare(ResolveInfo r1, ResolveInfo r2) { 12592 int v1 = r1.priority; 12593 int v2 = r2.priority; 12594 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 12595 if (v1 != v2) { 12596 return (v1 > v2) ? -1 : 1; 12597 } 12598 v1 = r1.preferredOrder; 12599 v2 = r2.preferredOrder; 12600 if (v1 != v2) { 12601 return (v1 > v2) ? -1 : 1; 12602 } 12603 if (r1.isDefault != r2.isDefault) { 12604 return r1.isDefault ? -1 : 1; 12605 } 12606 v1 = r1.match; 12607 v2 = r2.match; 12608 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 12609 if (v1 != v2) { 12610 return (v1 > v2) ? -1 : 1; 12611 } 12612 if (r1.system != r2.system) { 12613 return r1.system ? -1 : 1; 12614 } 12615 if (r1.activityInfo != null) { 12616 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 12617 } 12618 if (r1.serviceInfo != null) { 12619 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 12620 } 12621 if (r1.providerInfo != null) { 12622 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 12623 } 12624 return 0; 12625 } 12626 }; 12627 12628 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 12629 new Comparator<ProviderInfo>() { 12630 public int compare(ProviderInfo p1, ProviderInfo p2) { 12631 final int v1 = p1.initOrder; 12632 final int v2 = p2.initOrder; 12633 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 12634 } 12635 }; 12636 12637 public void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 12638 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 12639 final int[] userIds) { 12640 mHandler.post(new Runnable() { 12641 @Override 12642 public void run() { 12643 try { 12644 final IActivityManager am = ActivityManager.getService(); 12645 if (am == null) return; 12646 final int[] resolvedUserIds; 12647 if (userIds == null) { 12648 resolvedUserIds = am.getRunningUserIds(); 12649 } else { 12650 resolvedUserIds = userIds; 12651 } 12652 for (int id : resolvedUserIds) { 12653 final Intent intent = new Intent(action, 12654 pkg != null ? Uri.fromParts(PACKAGE_SCHEME, pkg, null) : null); 12655 if (extras != null) { 12656 intent.putExtras(extras); 12657 } 12658 if (targetPkg != null) { 12659 intent.setPackage(targetPkg); 12660 } 12661 // Modify the UID when posting to other users 12662 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 12663 if (uid > 0 && UserHandle.getUserId(uid) != id) { 12664 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 12665 intent.putExtra(Intent.EXTRA_UID, uid); 12666 } 12667 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 12668 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 12669 if (DEBUG_BROADCASTS) { 12670 RuntimeException here = new RuntimeException("here"); 12671 here.fillInStackTrace(); 12672 Slog.d(TAG, "Sending to user " + id + ": " 12673 + intent.toShortString(false, true, false, false) 12674 + " " + intent.getExtras(), here); 12675 } 12676 am.broadcastIntent(null, intent, null, finishedReceiver, 12677 0, null, null, null, android.app.AppOpsManager.OP_NONE, 12678 null, finishedReceiver != null, false, id); 12679 } 12680 } catch (RemoteException ex) { 12681 } 12682 } 12683 }); 12684 } 12685 12686 /** 12687 * Check if the external storage media is available. This is true if there 12688 * is a mounted external storage medium or if the external storage is 12689 * emulated. 12690 */ 12691 private boolean isExternalMediaAvailable() { 12692 return mMediaMounted || Environment.isExternalStorageEmulated(); 12693 } 12694 12695 @Override 12696 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 12697 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 12698 return null; 12699 } 12700 // writer 12701 synchronized (mPackages) { 12702 if (!isExternalMediaAvailable()) { 12703 // If the external storage is no longer mounted at this point, 12704 // the caller may not have been able to delete all of this 12705 // packages files and can not delete any more. Bail. 12706 return null; 12707 } 12708 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 12709 if (lastPackage != null) { 12710 pkgs.remove(lastPackage); 12711 } 12712 if (pkgs.size() > 0) { 12713 return pkgs.get(0); 12714 } 12715 } 12716 return null; 12717 } 12718 12719 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 12720 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 12721 userId, andCode ? 1 : 0, packageName); 12722 if (mSystemReady) { 12723 msg.sendToTarget(); 12724 } else { 12725 if (mPostSystemReadyMessages == null) { 12726 mPostSystemReadyMessages = new ArrayList<>(); 12727 } 12728 mPostSystemReadyMessages.add(msg); 12729 } 12730 } 12731 12732 void startCleaningPackages() { 12733 // reader 12734 if (!isExternalMediaAvailable()) { 12735 return; 12736 } 12737 synchronized (mPackages) { 12738 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 12739 return; 12740 } 12741 } 12742 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 12743 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 12744 IActivityManager am = ActivityManager.getService(); 12745 if (am != null) { 12746 int dcsUid = -1; 12747 synchronized (mPackages) { 12748 if (!mDefaultContainerWhitelisted) { 12749 mDefaultContainerWhitelisted = true; 12750 PackageSetting ps = mSettings.mPackages.get(DEFAULT_CONTAINER_PACKAGE); 12751 dcsUid = UserHandle.getUid(UserHandle.USER_SYSTEM, ps.appId); 12752 } 12753 } 12754 try { 12755 if (dcsUid > 0) { 12756 am.backgroundWhitelistUid(dcsUid); 12757 } 12758 am.startService(null, intent, null, false, mContext.getOpPackageName(), 12759 UserHandle.USER_SYSTEM); 12760 } catch (RemoteException e) { 12761 } 12762 } 12763 } 12764 12765 @Override 12766 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 12767 int installFlags, String installerPackageName, int userId) { 12768 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 12769 12770 final int callingUid = Binder.getCallingUid(); 12771 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 12772 true /* requireFullPermission */, true /* checkShell */, "installPackageAsUser"); 12773 12774 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 12775 try { 12776 if (observer != null) { 12777 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 12778 } 12779 } catch (RemoteException re) { 12780 } 12781 return; 12782 } 12783 12784 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 12785 installFlags |= PackageManager.INSTALL_FROM_ADB; 12786 12787 } else { 12788 // Caller holds INSTALL_PACKAGES permission, so we're less strict 12789 // about installerPackageName. 12790 12791 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 12792 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 12793 } 12794 12795 UserHandle user; 12796 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 12797 user = UserHandle.ALL; 12798 } else { 12799 user = new UserHandle(userId); 12800 } 12801 12802 // Only system components can circumvent runtime permissions when installing. 12803 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 12804 && mContext.checkCallingOrSelfPermission(Manifest.permission 12805 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 12806 throw new SecurityException("You need the " 12807 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 12808 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 12809 } 12810 12811 if ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0 12812 || (installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 12813 throw new IllegalArgumentException( 12814 "New installs into ASEC containers no longer supported"); 12815 } 12816 12817 final File originFile = new File(originPath); 12818 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 12819 12820 final Message msg = mHandler.obtainMessage(INIT_COPY); 12821 final VerificationInfo verificationInfo = new VerificationInfo( 12822 null /*originatingUri*/, null /*referrer*/, -1 /*originatingUid*/, callingUid); 12823 final InstallParams params = new InstallParams(origin, null /*moveInfo*/, observer, 12824 installFlags, installerPackageName, null /*volumeUuid*/, verificationInfo, user, 12825 null /*packageAbiOverride*/, null /*grantedPermissions*/, 12826 null /*certificates*/, PackageManager.INSTALL_REASON_UNKNOWN); 12827 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 12828 msg.obj = params; 12829 12830 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 12831 System.identityHashCode(msg.obj)); 12832 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 12833 System.identityHashCode(msg.obj)); 12834 12835 mHandler.sendMessage(msg); 12836 } 12837 12838 12839 /** 12840 * Ensure that the install reason matches what we know about the package installer (e.g. whether 12841 * it is acting on behalf on an enterprise or the user). 12842 * 12843 * Note that the ordering of the conditionals in this method is important. The checks we perform 12844 * are as follows, in this order: 12845 * 12846 * 1) If the install is being performed by a system app, we can trust the app to have set the 12847 * install reason correctly. Thus, we pass through the install reason unchanged, no matter 12848 * what it is. 12849 * 2) If the install is being performed by a device or profile owner app, the install reason 12850 * should be enterprise policy. However, we cannot be sure that the device or profile owner 12851 * set the install reason correctly. If the app targets an older SDK version where install 12852 * reasons did not exist yet, or if the app author simply forgot, the install reason may be 12853 * unset or wrong. Thus, we force the install reason to be enterprise policy. 12854 * 3) In all other cases, the install is being performed by a regular app that is neither part 12855 * of the system nor a device or profile owner. We have no reason to believe that this app is 12856 * acting on behalf of the enterprise admin. Thus, we check whether the install reason was 12857 * set to enterprise policy and if so, change it to unknown instead. 12858 */ 12859 private int fixUpInstallReason(String installerPackageName, int installerUid, 12860 int installReason) { 12861 if (checkUidPermission(android.Manifest.permission.INSTALL_PACKAGES, installerUid) 12862 == PERMISSION_GRANTED) { 12863 // If the install is being performed by a system app, we trust that app to have set the 12864 // install reason correctly. 12865 return installReason; 12866 } 12867 12868 final IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 12869 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 12870 if (dpm != null) { 12871 ComponentName owner = null; 12872 try { 12873 owner = dpm.getDeviceOwnerComponent(true /* callingUserOnly */); 12874 if (owner == null) { 12875 owner = dpm.getProfileOwner(UserHandle.getUserId(installerUid)); 12876 } 12877 } catch (RemoteException e) { 12878 } 12879 if (owner != null && owner.getPackageName().equals(installerPackageName)) { 12880 // If the install is being performed by a device or profile owner, the install 12881 // reason should be enterprise policy. 12882 return PackageManager.INSTALL_REASON_POLICY; 12883 } 12884 } 12885 12886 if (installReason == PackageManager.INSTALL_REASON_POLICY) { 12887 // If the install is being performed by a regular app (i.e. neither system app nor 12888 // device or profile owner), we have no reason to believe that the app is acting on 12889 // behalf of an enterprise. If the app set the install reason to enterprise policy, 12890 // change it to unknown instead. 12891 return PackageManager.INSTALL_REASON_UNKNOWN; 12892 } 12893 12894 // If the install is being performed by a regular app and the install reason was set to any 12895 // value but enterprise policy, leave the install reason unchanged. 12896 return installReason; 12897 } 12898 12899 void installStage(String packageName, File stagedDir, 12900 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 12901 String installerPackageName, int installerUid, UserHandle user, 12902 Certificate[][] certificates) { 12903 if (DEBUG_EPHEMERAL) { 12904 if ((sessionParams.installFlags & PackageManager.INSTALL_INSTANT_APP) != 0) { 12905 Slog.d(TAG, "Ephemeral install of " + packageName); 12906 } 12907 } 12908 final VerificationInfo verificationInfo = new VerificationInfo( 12909 sessionParams.originatingUri, sessionParams.referrerUri, 12910 sessionParams.originatingUid, installerUid); 12911 12912 final OriginInfo origin = OriginInfo.fromStagedFile(stagedDir); 12913 12914 final Message msg = mHandler.obtainMessage(INIT_COPY); 12915 final int installReason = fixUpInstallReason(installerPackageName, installerUid, 12916 sessionParams.installReason); 12917 final InstallParams params = new InstallParams(origin, null, observer, 12918 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 12919 verificationInfo, user, sessionParams.abiOverride, 12920 sessionParams.grantedRuntimePermissions, certificates, installReason); 12921 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 12922 msg.obj = params; 12923 12924 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 12925 System.identityHashCode(msg.obj)); 12926 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 12927 System.identityHashCode(msg.obj)); 12928 12929 mHandler.sendMessage(msg); 12930 } 12931 12932 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, 12933 int userId) { 12934 final boolean isSystem = isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 12935 sendPackageAddedForNewUsers(packageName, isSystem /*sendBootCompleted*/, 12936 false /*startReceiver*/, pkgSetting.appId, userId); 12937 12938 // Send a session commit broadcast 12939 final PackageInstaller.SessionInfo info = new PackageInstaller.SessionInfo(); 12940 info.installReason = pkgSetting.getInstallReason(userId); 12941 info.appPackageName = packageName; 12942 sendSessionCommitBroadcast(info, userId); 12943 } 12944 12945 public void sendPackageAddedForNewUsers(String packageName, boolean sendBootCompleted, 12946 boolean includeStopped, int appId, int... userIds) { 12947 if (ArrayUtils.isEmpty(userIds)) { 12948 return; 12949 } 12950 Bundle extras = new Bundle(1); 12951 // Set to UID of the first user, EXTRA_UID is automatically updated in sendPackageBroadcast 12952 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userIds[0], appId)); 12953 12954 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 12955 packageName, extras, 0, null, null, userIds); 12956 if (sendBootCompleted) { 12957 mHandler.post(() -> { 12958 for (int userId : userIds) { 12959 sendBootCompletedBroadcastToSystemApp( 12960 packageName, includeStopped, userId); 12961 } 12962 } 12963 ); 12964 } 12965 } 12966 12967 /** 12968 * The just-installed/enabled app is bundled on the system, so presumed to be able to run 12969 * automatically without needing an explicit launch. 12970 * Send it a LOCKED_BOOT_COMPLETED/BOOT_COMPLETED if it would ordinarily have gotten ones. 12971 */ 12972 private void sendBootCompletedBroadcastToSystemApp(String packageName, boolean includeStopped, 12973 int userId) { 12974 // If user is not running, the app didn't miss any broadcast 12975 if (!mUserManagerInternal.isUserRunning(userId)) { 12976 return; 12977 } 12978 final IActivityManager am = ActivityManager.getService(); 12979 try { 12980 // Deliver LOCKED_BOOT_COMPLETED first 12981 Intent lockedBcIntent = new Intent(Intent.ACTION_LOCKED_BOOT_COMPLETED) 12982 .setPackage(packageName); 12983 if (includeStopped) { 12984 lockedBcIntent.addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES); 12985 } 12986 final String[] requiredPermissions = {Manifest.permission.RECEIVE_BOOT_COMPLETED}; 12987 am.broadcastIntent(null, lockedBcIntent, null, null, 0, null, null, requiredPermissions, 12988 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 12989 12990 // Deliver BOOT_COMPLETED only if user is unlocked 12991 if (mUserManagerInternal.isUserUnlockingOrUnlocked(userId)) { 12992 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED).setPackage(packageName); 12993 if (includeStopped) { 12994 bcIntent.addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES); 12995 } 12996 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, requiredPermissions, 12997 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 12998 } 12999 } catch (RemoteException e) { 13000 throw e.rethrowFromSystemServer(); 13001 } 13002 } 13003 13004 @Override 13005 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 13006 int userId) { 13007 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13008 PackageSetting pkgSetting; 13009 final int callingUid = Binder.getCallingUid(); 13010 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 13011 true /* requireFullPermission */, true /* checkShell */, 13012 "setApplicationHiddenSetting for user " + userId); 13013 13014 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 13015 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 13016 return false; 13017 } 13018 13019 long callingId = Binder.clearCallingIdentity(); 13020 try { 13021 boolean sendAdded = false; 13022 boolean sendRemoved = false; 13023 // writer 13024 synchronized (mPackages) { 13025 pkgSetting = mSettings.mPackages.get(packageName); 13026 if (pkgSetting == null) { 13027 return false; 13028 } 13029 if (filterAppAccessLPr(pkgSetting, callingUid, userId)) { 13030 return false; 13031 } 13032 // Do not allow "android" is being disabled 13033 if ("android".equals(packageName)) { 13034 Slog.w(TAG, "Cannot hide package: android"); 13035 return false; 13036 } 13037 // Cannot hide static shared libs as they are considered 13038 // a part of the using app (emulating static linking). Also 13039 // static libs are installed always on internal storage. 13040 PackageParser.Package pkg = mPackages.get(packageName); 13041 if (pkg != null && pkg.staticSharedLibName != null) { 13042 Slog.w(TAG, "Cannot hide package: " + packageName 13043 + " providing static shared library: " 13044 + pkg.staticSharedLibName); 13045 return false; 13046 } 13047 // Only allow protected packages to hide themselves. 13048 if (hidden && !UserHandle.isSameApp(callingUid, pkgSetting.appId) 13049 && mProtectedPackages.isPackageStateProtected(userId, packageName)) { 13050 Slog.w(TAG, "Not hiding protected package: " + packageName); 13051 return false; 13052 } 13053 13054 if (pkgSetting.getHidden(userId) != hidden) { 13055 pkgSetting.setHidden(hidden, userId); 13056 mSettings.writePackageRestrictionsLPr(userId); 13057 if (hidden) { 13058 sendRemoved = true; 13059 } else { 13060 sendAdded = true; 13061 } 13062 } 13063 } 13064 if (sendAdded) { 13065 sendPackageAddedForUser(packageName, pkgSetting, userId); 13066 return true; 13067 } 13068 if (sendRemoved) { 13069 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 13070 "hiding pkg"); 13071 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 13072 return true; 13073 } 13074 } finally { 13075 Binder.restoreCallingIdentity(callingId); 13076 } 13077 return false; 13078 } 13079 13080 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 13081 int userId) { 13082 final PackageRemovedInfo info = new PackageRemovedInfo(this); 13083 info.removedPackage = packageName; 13084 info.installerPackageName = pkgSetting.installerPackageName; 13085 info.removedUsers = new int[] {userId}; 13086 info.broadcastUsers = new int[] {userId}; 13087 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 13088 info.sendPackageRemovedBroadcasts(true /*killApp*/); 13089 } 13090 13091 private void sendPackagesSuspendedForUser(String[] pkgList, int userId, boolean suspended) { 13092 if (pkgList.length > 0) { 13093 Bundle extras = new Bundle(1); 13094 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 13095 13096 sendPackageBroadcast( 13097 suspended ? Intent.ACTION_PACKAGES_SUSPENDED 13098 : Intent.ACTION_PACKAGES_UNSUSPENDED, 13099 null, extras, Intent.FLAG_RECEIVER_REGISTERED_ONLY, null, null, 13100 new int[] {userId}); 13101 } 13102 } 13103 13104 /** 13105 * Returns true if application is not found or there was an error. Otherwise it returns 13106 * the hidden state of the package for the given user. 13107 */ 13108 @Override 13109 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 13110 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13111 final int callingUid = Binder.getCallingUid(); 13112 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 13113 true /* requireFullPermission */, false /* checkShell */, 13114 "getApplicationHidden for user " + userId); 13115 PackageSetting ps; 13116 long callingId = Binder.clearCallingIdentity(); 13117 try { 13118 // writer 13119 synchronized (mPackages) { 13120 ps = mSettings.mPackages.get(packageName); 13121 if (ps == null) { 13122 return true; 13123 } 13124 if (filterAppAccessLPr(ps, callingUid, userId)) { 13125 return true; 13126 } 13127 return ps.getHidden(userId); 13128 } 13129 } finally { 13130 Binder.restoreCallingIdentity(callingId); 13131 } 13132 } 13133 13134 /** 13135 * @hide 13136 */ 13137 @Override 13138 public int installExistingPackageAsUser(String packageName, int userId, int installFlags, 13139 int installReason) { 13140 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 13141 null); 13142 PackageSetting pkgSetting; 13143 final int callingUid = Binder.getCallingUid(); 13144 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 13145 true /* requireFullPermission */, true /* checkShell */, 13146 "installExistingPackage for user " + userId); 13147 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 13148 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 13149 } 13150 13151 long callingId = Binder.clearCallingIdentity(); 13152 try { 13153 boolean installed = false; 13154 final boolean instantApp = 13155 (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 13156 final boolean fullApp = 13157 (installFlags & PackageManager.INSTALL_FULL_APP) != 0; 13158 13159 // writer 13160 synchronized (mPackages) { 13161 pkgSetting = mSettings.mPackages.get(packageName); 13162 if (pkgSetting == null) { 13163 return PackageManager.INSTALL_FAILED_INVALID_URI; 13164 } 13165 if (!canViewInstantApps(callingUid, UserHandle.getUserId(callingUid))) { 13166 // only allow the existing package to be used if it's installed as a full 13167 // application for at least one user 13168 boolean installAllowed = false; 13169 for (int checkUserId : sUserManager.getUserIds()) { 13170 installAllowed = !pkgSetting.getInstantApp(checkUserId); 13171 if (installAllowed) { 13172 break; 13173 } 13174 } 13175 if (!installAllowed) { 13176 return PackageManager.INSTALL_FAILED_INVALID_URI; 13177 } 13178 } 13179 if (!pkgSetting.getInstalled(userId)) { 13180 pkgSetting.setInstalled(true, userId); 13181 pkgSetting.setHidden(false, userId); 13182 pkgSetting.setInstallReason(installReason, userId); 13183 mSettings.writePackageRestrictionsLPr(userId); 13184 mSettings.writeKernelMappingLPr(pkgSetting); 13185 installed = true; 13186 } else if (fullApp && pkgSetting.getInstantApp(userId)) { 13187 // upgrade app from instant to full; we don't allow app downgrade 13188 installed = true; 13189 } 13190 setInstantAppForUser(pkgSetting, userId, instantApp, fullApp); 13191 } 13192 13193 if (installed) { 13194 if (pkgSetting.pkg != null) { 13195 synchronized (mInstallLock) { 13196 // We don't need to freeze for a brand new install 13197 prepareAppDataAfterInstallLIF(pkgSetting.pkg); 13198 } 13199 } 13200 sendPackageAddedForUser(packageName, pkgSetting, userId); 13201 synchronized (mPackages) { 13202 updateSequenceNumberLP(pkgSetting, new int[]{ userId }); 13203 } 13204 } 13205 } finally { 13206 Binder.restoreCallingIdentity(callingId); 13207 } 13208 13209 return PackageManager.INSTALL_SUCCEEDED; 13210 } 13211 13212 void setInstantAppForUser(PackageSetting pkgSetting, int userId, 13213 boolean instantApp, boolean fullApp) { 13214 // no state specified; do nothing 13215 if (!instantApp && !fullApp) { 13216 return; 13217 } 13218 if (userId != UserHandle.USER_ALL) { 13219 if (instantApp && !pkgSetting.getInstantApp(userId)) { 13220 pkgSetting.setInstantApp(true /*instantApp*/, userId); 13221 } else if (fullApp && pkgSetting.getInstantApp(userId)) { 13222 pkgSetting.setInstantApp(false /*instantApp*/, userId); 13223 } 13224 } else { 13225 for (int currentUserId : sUserManager.getUserIds()) { 13226 if (instantApp && !pkgSetting.getInstantApp(currentUserId)) { 13227 pkgSetting.setInstantApp(true /*instantApp*/, currentUserId); 13228 } else if (fullApp && pkgSetting.getInstantApp(currentUserId)) { 13229 pkgSetting.setInstantApp(false /*instantApp*/, currentUserId); 13230 } 13231 } 13232 } 13233 } 13234 13235 boolean isUserRestricted(int userId, String restrictionKey) { 13236 Bundle restrictions = sUserManager.getUserRestrictions(userId); 13237 if (restrictions.getBoolean(restrictionKey, false)) { 13238 Log.w(TAG, "User is restricted: " + restrictionKey); 13239 return true; 13240 } 13241 return false; 13242 } 13243 13244 @Override 13245 public String[] setPackagesSuspendedAsUser(String[] packageNames, boolean suspended, 13246 int userId) { 13247 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 13248 final int callingUid = Binder.getCallingUid(); 13249 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 13250 true /* requireFullPermission */, true /* checkShell */, 13251 "setPackagesSuspended for user " + userId); 13252 13253 if (ArrayUtils.isEmpty(packageNames)) { 13254 return packageNames; 13255 } 13256 13257 // List of package names for whom the suspended state has changed. 13258 List<String> changedPackages = new ArrayList<>(packageNames.length); 13259 // List of package names for whom the suspended state is not set as requested in this 13260 // method. 13261 List<String> unactionedPackages = new ArrayList<>(packageNames.length); 13262 long callingId = Binder.clearCallingIdentity(); 13263 try { 13264 for (int i = 0; i < packageNames.length; i++) { 13265 String packageName = packageNames[i]; 13266 boolean changed = false; 13267 final int appId; 13268 synchronized (mPackages) { 13269 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 13270 if (pkgSetting == null 13271 || filterAppAccessLPr(pkgSetting, callingUid, userId)) { 13272 Slog.w(TAG, "Could not find package setting for package \"" + packageName 13273 + "\". Skipping suspending/un-suspending."); 13274 unactionedPackages.add(packageName); 13275 continue; 13276 } 13277 appId = pkgSetting.appId; 13278 if (pkgSetting.getSuspended(userId) != suspended) { 13279 if (!canSuspendPackageForUserLocked(packageName, userId)) { 13280 unactionedPackages.add(packageName); 13281 continue; 13282 } 13283 pkgSetting.setSuspended(suspended, userId); 13284 mSettings.writePackageRestrictionsLPr(userId); 13285 changed = true; 13286 changedPackages.add(packageName); 13287 } 13288 } 13289 13290 if (changed && suspended) { 13291 killApplication(packageName, UserHandle.getUid(userId, appId), 13292 "suspending package"); 13293 } 13294 } 13295 } finally { 13296 Binder.restoreCallingIdentity(callingId); 13297 } 13298 13299 if (!changedPackages.isEmpty()) { 13300 sendPackagesSuspendedForUser(changedPackages.toArray( 13301 new String[changedPackages.size()]), userId, suspended); 13302 } 13303 13304 return unactionedPackages.toArray(new String[unactionedPackages.size()]); 13305 } 13306 13307 @Override 13308 public boolean isPackageSuspendedForUser(String packageName, int userId) { 13309 final int callingUid = Binder.getCallingUid(); 13310 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 13311 true /* requireFullPermission */, false /* checkShell */, 13312 "isPackageSuspendedForUser for user " + userId); 13313 synchronized (mPackages) { 13314 final PackageSetting ps = mSettings.mPackages.get(packageName); 13315 if (ps == null || filterAppAccessLPr(ps, callingUid, userId)) { 13316 throw new IllegalArgumentException("Unknown target package: " + packageName); 13317 } 13318 return ps.getSuspended(userId); 13319 } 13320 } 13321 13322 private boolean canSuspendPackageForUserLocked(String packageName, int userId) { 13323 if (isPackageDeviceAdmin(packageName, userId)) { 13324 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13325 + "\": has an active device admin"); 13326 return false; 13327 } 13328 13329 String activeLauncherPackageName = getActiveLauncherPackageName(userId); 13330 if (packageName.equals(activeLauncherPackageName)) { 13331 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13332 + "\": contains the active launcher"); 13333 return false; 13334 } 13335 13336 if (packageName.equals(mRequiredInstallerPackage)) { 13337 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13338 + "\": required for package installation"); 13339 return false; 13340 } 13341 13342 if (packageName.equals(mRequiredUninstallerPackage)) { 13343 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13344 + "\": required for package uninstallation"); 13345 return false; 13346 } 13347 13348 if (packageName.equals(mRequiredVerifierPackage)) { 13349 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13350 + "\": required for package verification"); 13351 return false; 13352 } 13353 13354 if (packageName.equals(getDefaultDialerPackageName(userId))) { 13355 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13356 + "\": is the default dialer"); 13357 return false; 13358 } 13359 13360 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 13361 Slog.w(TAG, "Cannot suspend/un-suspend package \"" + packageName 13362 + "\": protected package"); 13363 return false; 13364 } 13365 13366 // Cannot suspend static shared libs as they are considered 13367 // a part of the using app (emulating static linking). Also 13368 // static libs are installed always on internal storage. 13369 PackageParser.Package pkg = mPackages.get(packageName); 13370 if (pkg != null && pkg.applicationInfo.isStaticSharedLibrary()) { 13371 Slog.w(TAG, "Cannot suspend package: " + packageName 13372 + " providing static shared library: " 13373 + pkg.staticSharedLibName); 13374 return false; 13375 } 13376 13377 return true; 13378 } 13379 13380 private String getActiveLauncherPackageName(int userId) { 13381 Intent intent = new Intent(Intent.ACTION_MAIN); 13382 intent.addCategory(Intent.CATEGORY_HOME); 13383 ResolveInfo resolveInfo = resolveIntent( 13384 intent, 13385 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 13386 PackageManager.MATCH_DEFAULT_ONLY, 13387 userId); 13388 13389 return resolveInfo == null ? null : resolveInfo.activityInfo.packageName; 13390 } 13391 13392 private String getDefaultDialerPackageName(int userId) { 13393 synchronized (mPackages) { 13394 return mSettings.getDefaultDialerPackageNameLPw(userId); 13395 } 13396 } 13397 13398 @Override 13399 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 13400 mContext.enforceCallingOrSelfPermission( 13401 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13402 "Only package verification agents can verify applications"); 13403 13404 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 13405 final PackageVerificationResponse response = new PackageVerificationResponse( 13406 verificationCode, Binder.getCallingUid()); 13407 msg.arg1 = id; 13408 msg.obj = response; 13409 mHandler.sendMessage(msg); 13410 } 13411 13412 @Override 13413 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 13414 long millisecondsToDelay) { 13415 mContext.enforceCallingOrSelfPermission( 13416 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13417 "Only package verification agents can extend verification timeouts"); 13418 13419 final PackageVerificationState state = mPendingVerification.get(id); 13420 final PackageVerificationResponse response = new PackageVerificationResponse( 13421 verificationCodeAtTimeout, Binder.getCallingUid()); 13422 13423 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 13424 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 13425 } 13426 if (millisecondsToDelay < 0) { 13427 millisecondsToDelay = 0; 13428 } 13429 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 13430 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 13431 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 13432 } 13433 13434 if ((state != null) && !state.timeoutExtended()) { 13435 state.extendTimeout(); 13436 13437 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 13438 msg.arg1 = id; 13439 msg.obj = response; 13440 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 13441 } 13442 } 13443 13444 private void broadcastPackageVerified(int verificationId, Uri packageUri, 13445 int verificationCode, UserHandle user) { 13446 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 13447 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 13448 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 13449 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 13450 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 13451 13452 mContext.sendBroadcastAsUser(intent, user, 13453 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 13454 } 13455 13456 private ComponentName matchComponentForVerifier(String packageName, 13457 List<ResolveInfo> receivers) { 13458 ActivityInfo targetReceiver = null; 13459 13460 final int NR = receivers.size(); 13461 for (int i = 0; i < NR; i++) { 13462 final ResolveInfo info = receivers.get(i); 13463 if (info.activityInfo == null) { 13464 continue; 13465 } 13466 13467 if (packageName.equals(info.activityInfo.packageName)) { 13468 targetReceiver = info.activityInfo; 13469 break; 13470 } 13471 } 13472 13473 if (targetReceiver == null) { 13474 return null; 13475 } 13476 13477 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 13478 } 13479 13480 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 13481 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 13482 if (pkgInfo.verifiers.length == 0) { 13483 return null; 13484 } 13485 13486 final int N = pkgInfo.verifiers.length; 13487 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 13488 for (int i = 0; i < N; i++) { 13489 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 13490 13491 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 13492 receivers); 13493 if (comp == null) { 13494 continue; 13495 } 13496 13497 final int verifierUid = getUidForVerifier(verifierInfo); 13498 if (verifierUid == -1) { 13499 continue; 13500 } 13501 13502 if (DEBUG_VERIFY) { 13503 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 13504 + " with the correct signature"); 13505 } 13506 sufficientVerifiers.add(comp); 13507 verificationState.addSufficientVerifier(verifierUid); 13508 } 13509 13510 return sufficientVerifiers; 13511 } 13512 13513 private int getUidForVerifier(VerifierInfo verifierInfo) { 13514 synchronized (mPackages) { 13515 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 13516 if (pkg == null) { 13517 return -1; 13518 } else if (pkg.mSignatures.length != 1) { 13519 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 13520 + " has more than one signature; ignoring"); 13521 return -1; 13522 } 13523 13524 /* 13525 * If the public key of the package's signature does not match 13526 * our expected public key, then this is a different package and 13527 * we should skip. 13528 */ 13529 13530 final byte[] expectedPublicKey; 13531 try { 13532 final Signature verifierSig = pkg.mSignatures[0]; 13533 final PublicKey publicKey = verifierSig.getPublicKey(); 13534 expectedPublicKey = publicKey.getEncoded(); 13535 } catch (CertificateException e) { 13536 return -1; 13537 } 13538 13539 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 13540 13541 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 13542 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 13543 + " does not have the expected public key; ignoring"); 13544 return -1; 13545 } 13546 13547 return pkg.applicationInfo.uid; 13548 } 13549 } 13550 13551 @Override 13552 public void finishPackageInstall(int token, boolean didLaunch) { 13553 enforceSystemOrRoot("Only the system is allowed to finish installs"); 13554 13555 if (DEBUG_INSTALL) { 13556 Slog.v(TAG, "BM finishing package install for " + token); 13557 } 13558 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 13559 13560 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, didLaunch ? 1 : 0); 13561 mHandler.sendMessage(msg); 13562 } 13563 13564 /** 13565 * Get the verification agent timeout. Used for both the APK verifier and the 13566 * intent filter verifier. 13567 * 13568 * @return verification timeout in milliseconds 13569 */ 13570 private long getVerificationTimeout() { 13571 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 13572 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 13573 DEFAULT_VERIFICATION_TIMEOUT); 13574 } 13575 13576 /** 13577 * Get the default verification agent response code. 13578 * 13579 * @return default verification response code 13580 */ 13581 private int getDefaultVerificationResponse(UserHandle user) { 13582 if (sUserManager.hasUserRestriction(UserManager.ENSURE_VERIFY_APPS, user.getIdentifier())) { 13583 return PackageManager.VERIFICATION_REJECT; 13584 } 13585 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13586 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 13587 DEFAULT_VERIFICATION_RESPONSE); 13588 } 13589 13590 /** 13591 * Check whether or not package verification has been enabled. 13592 * 13593 * @return true if verification should be performed 13594 */ 13595 private boolean isVerificationEnabled(int userId, int installFlags, int installerUid) { 13596 if (!DEFAULT_VERIFY_ENABLE) { 13597 return false; 13598 } 13599 13600 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 13601 13602 // Check if installing from ADB 13603 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 13604 // Do not run verification in a test harness environment 13605 if (ActivityManager.isRunningInTestHarness()) { 13606 return false; 13607 } 13608 if (ensureVerifyAppsEnabled) { 13609 return true; 13610 } 13611 // Check if the developer does not want package verification for ADB installs 13612 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13613 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 13614 return false; 13615 } 13616 } else { 13617 // only when not installed from ADB, skip verification for instant apps when 13618 // the installer and verifier are the same. 13619 if ((installFlags & PackageManager.INSTALL_INSTANT_APP) != 0) { 13620 if (mInstantAppInstallerActivity != null 13621 && mInstantAppInstallerActivity.packageName.equals( 13622 mRequiredVerifierPackage)) { 13623 try { 13624 mContext.getSystemService(AppOpsManager.class) 13625 .checkPackage(installerUid, mRequiredVerifierPackage); 13626 if (DEBUG_VERIFY) { 13627 Slog.i(TAG, "disable verification for instant app"); 13628 } 13629 return false; 13630 } catch (SecurityException ignore) { } 13631 } 13632 } 13633 } 13634 13635 if (ensureVerifyAppsEnabled) { 13636 return true; 13637 } 13638 13639 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13640 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 13641 } 13642 13643 @Override 13644 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 13645 throws RemoteException { 13646 mContext.enforceCallingOrSelfPermission( 13647 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 13648 "Only intentfilter verification agents can verify applications"); 13649 13650 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 13651 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 13652 Binder.getCallingUid(), verificationCode, failedDomains); 13653 msg.arg1 = id; 13654 msg.obj = response; 13655 mHandler.sendMessage(msg); 13656 } 13657 13658 @Override 13659 public int getIntentVerificationStatus(String packageName, int userId) { 13660 final int callingUid = Binder.getCallingUid(); 13661 if (UserHandle.getUserId(callingUid) != userId) { 13662 mContext.enforceCallingOrSelfPermission( 13663 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 13664 "getIntentVerificationStatus" + userId); 13665 } 13666 if (getInstantAppPackageName(callingUid) != null) { 13667 return INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 13668 } 13669 synchronized (mPackages) { 13670 final PackageSetting ps = mSettings.mPackages.get(packageName); 13671 if (ps == null 13672 || filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 13673 return INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 13674 } 13675 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 13676 } 13677 } 13678 13679 @Override 13680 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 13681 mContext.enforceCallingOrSelfPermission( 13682 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13683 13684 boolean result = false; 13685 synchronized (mPackages) { 13686 final PackageSetting ps = mSettings.mPackages.get(packageName); 13687 if (filterAppAccessLPr(ps, Binder.getCallingUid(), UserHandle.getCallingUserId())) { 13688 return false; 13689 } 13690 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 13691 } 13692 if (result) { 13693 scheduleWritePackageRestrictionsLocked(userId); 13694 } 13695 return result; 13696 } 13697 13698 @Override 13699 public @NonNull ParceledListSlice<IntentFilterVerificationInfo> getIntentFilterVerifications( 13700 String packageName) { 13701 final int callingUid = Binder.getCallingUid(); 13702 if (getInstantAppPackageName(callingUid) != null) { 13703 return ParceledListSlice.emptyList(); 13704 } 13705 synchronized (mPackages) { 13706 final PackageSetting ps = mSettings.mPackages.get(packageName); 13707 if (filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 13708 return ParceledListSlice.emptyList(); 13709 } 13710 return new ParceledListSlice<>(mSettings.getIntentFilterVerificationsLPr(packageName)); 13711 } 13712 } 13713 13714 @Override 13715 public @NonNull ParceledListSlice<IntentFilter> getAllIntentFilters(String packageName) { 13716 if (TextUtils.isEmpty(packageName)) { 13717 return ParceledListSlice.emptyList(); 13718 } 13719 final int callingUid = Binder.getCallingUid(); 13720 final int callingUserId = UserHandle.getUserId(callingUid); 13721 synchronized (mPackages) { 13722 PackageParser.Package pkg = mPackages.get(packageName); 13723 if (pkg == null || pkg.activities == null) { 13724 return ParceledListSlice.emptyList(); 13725 } 13726 if (pkg.mExtras == null) { 13727 return ParceledListSlice.emptyList(); 13728 } 13729 final PackageSetting ps = (PackageSetting) pkg.mExtras; 13730 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 13731 return ParceledListSlice.emptyList(); 13732 } 13733 final int count = pkg.activities.size(); 13734 ArrayList<IntentFilter> result = new ArrayList<>(); 13735 for (int n=0; n<count; n++) { 13736 PackageParser.Activity activity = pkg.activities.get(n); 13737 if (activity.intents != null && activity.intents.size() > 0) { 13738 result.addAll(activity.intents); 13739 } 13740 } 13741 return new ParceledListSlice<>(result); 13742 } 13743 } 13744 13745 @Override 13746 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 13747 mContext.enforceCallingOrSelfPermission( 13748 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 13749 if (UserHandle.getCallingUserId() != userId) { 13750 mContext.enforceCallingOrSelfPermission( 13751 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 13752 } 13753 13754 synchronized (mPackages) { 13755 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 13756 if (packageName != null) { 13757 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowser( 13758 packageName, userId); 13759 } 13760 return result; 13761 } 13762 } 13763 13764 @Override 13765 public String getDefaultBrowserPackageName(int userId) { 13766 if (UserHandle.getCallingUserId() != userId) { 13767 mContext.enforceCallingOrSelfPermission( 13768 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 13769 } 13770 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 13771 return null; 13772 } 13773 synchronized (mPackages) { 13774 return mSettings.getDefaultBrowserPackageNameLPw(userId); 13775 } 13776 } 13777 13778 /** 13779 * Get the "allow unknown sources" setting. 13780 * 13781 * @return the current "allow unknown sources" setting 13782 */ 13783 private int getUnknownSourcesSettings() { 13784 return android.provider.Settings.Secure.getInt(mContext.getContentResolver(), 13785 android.provider.Settings.Secure.INSTALL_NON_MARKET_APPS, 13786 -1); 13787 } 13788 13789 @Override 13790 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 13791 final int callingUid = Binder.getCallingUid(); 13792 if (getInstantAppPackageName(callingUid) != null) { 13793 return; 13794 } 13795 // writer 13796 synchronized (mPackages) { 13797 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 13798 if (targetPackageSetting == null 13799 || filterAppAccessLPr( 13800 targetPackageSetting, callingUid, UserHandle.getUserId(callingUid))) { 13801 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 13802 } 13803 13804 PackageSetting installerPackageSetting; 13805 if (installerPackageName != null) { 13806 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 13807 if (installerPackageSetting == null) { 13808 throw new IllegalArgumentException("Unknown installer package: " 13809 + installerPackageName); 13810 } 13811 } else { 13812 installerPackageSetting = null; 13813 } 13814 13815 Signature[] callerSignature; 13816 Object obj = mSettings.getUserIdLPr(callingUid); 13817 if (obj != null) { 13818 if (obj instanceof SharedUserSetting) { 13819 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 13820 } else if (obj instanceof PackageSetting) { 13821 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 13822 } else { 13823 throw new SecurityException("Bad object " + obj + " for uid " + callingUid); 13824 } 13825 } else { 13826 throw new SecurityException("Unknown calling UID: " + callingUid); 13827 } 13828 13829 // Verify: can't set installerPackageName to a package that is 13830 // not signed with the same cert as the caller. 13831 if (installerPackageSetting != null) { 13832 if (compareSignatures(callerSignature, 13833 installerPackageSetting.signatures.mSignatures) 13834 != PackageManager.SIGNATURE_MATCH) { 13835 throw new SecurityException( 13836 "Caller does not have same cert as new installer package " 13837 + installerPackageName); 13838 } 13839 } 13840 13841 // Verify: if target already has an installer package, it must 13842 // be signed with the same cert as the caller. 13843 if (targetPackageSetting.installerPackageName != null) { 13844 PackageSetting setting = mSettings.mPackages.get( 13845 targetPackageSetting.installerPackageName); 13846 // If the currently set package isn't valid, then it's always 13847 // okay to change it. 13848 if (setting != null) { 13849 if (compareSignatures(callerSignature, 13850 setting.signatures.mSignatures) 13851 != PackageManager.SIGNATURE_MATCH) { 13852 throw new SecurityException( 13853 "Caller does not have same cert as old installer package " 13854 + targetPackageSetting.installerPackageName); 13855 } 13856 } 13857 } 13858 13859 // Okay! 13860 targetPackageSetting.installerPackageName = installerPackageName; 13861 if (installerPackageName != null) { 13862 mSettings.mInstallerPackages.add(installerPackageName); 13863 } 13864 scheduleWriteSettingsLocked(); 13865 } 13866 } 13867 13868 @Override 13869 public void setApplicationCategoryHint(String packageName, int categoryHint, 13870 String callerPackageName) { 13871 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 13872 throw new SecurityException("Instant applications don't have access to this method"); 13873 } 13874 mContext.getSystemService(AppOpsManager.class).checkPackage(Binder.getCallingUid(), 13875 callerPackageName); 13876 synchronized (mPackages) { 13877 PackageSetting ps = mSettings.mPackages.get(packageName); 13878 if (ps == null) { 13879 throw new IllegalArgumentException("Unknown target package " + packageName); 13880 } 13881 if (filterAppAccessLPr(ps, Binder.getCallingUid(), UserHandle.getCallingUserId())) { 13882 throw new IllegalArgumentException("Unknown target package " + packageName); 13883 } 13884 if (!Objects.equals(callerPackageName, ps.installerPackageName)) { 13885 throw new IllegalArgumentException("Calling package " + callerPackageName 13886 + " is not installer for " + packageName); 13887 } 13888 13889 if (ps.categoryHint != categoryHint) { 13890 ps.categoryHint = categoryHint; 13891 scheduleWriteSettingsLocked(); 13892 } 13893 } 13894 } 13895 13896 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 13897 // Queue up an async operation since the package installation may take a little while. 13898 mHandler.post(new Runnable() { 13899 public void run() { 13900 mHandler.removeCallbacks(this); 13901 // Result object to be returned 13902 PackageInstalledInfo res = new PackageInstalledInfo(); 13903 res.setReturnCode(currentStatus); 13904 res.uid = -1; 13905 res.pkg = null; 13906 res.removedInfo = null; 13907 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 13908 args.doPreInstall(res.returnCode); 13909 synchronized (mInstallLock) { 13910 installPackageTracedLI(args, res); 13911 } 13912 args.doPostInstall(res.returnCode, res.uid); 13913 } 13914 13915 // A restore should be performed at this point if (a) the install 13916 // succeeded, (b) the operation is not an update, and (c) the new 13917 // package has not opted out of backup participation. 13918 final boolean update = res.removedInfo != null 13919 && res.removedInfo.removedPackage != null; 13920 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 13921 boolean doRestore = !update 13922 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 13923 13924 // Set up the post-install work request bookkeeping. This will be used 13925 // and cleaned up by the post-install event handling regardless of whether 13926 // there's a restore pass performed. Token values are >= 1. 13927 int token; 13928 if (mNextInstallToken < 0) mNextInstallToken = 1; 13929 token = mNextInstallToken++; 13930 13931 PostInstallData data = new PostInstallData(args, res); 13932 mRunningInstalls.put(token, data); 13933 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 13934 13935 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 13936 // Pass responsibility to the Backup Manager. It will perform a 13937 // restore if appropriate, then pass responsibility back to the 13938 // Package Manager to run the post-install observer callbacks 13939 // and broadcasts. 13940 IBackupManager bm = IBackupManager.Stub.asInterface( 13941 ServiceManager.getService(Context.BACKUP_SERVICE)); 13942 if (bm != null) { 13943 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 13944 + " to BM for possible restore"); 13945 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 13946 try { 13947 // TODO: http://b/22388012 13948 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 13949 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 13950 } else { 13951 doRestore = false; 13952 } 13953 } catch (RemoteException e) { 13954 // can't happen; the backup manager is local 13955 } catch (Exception e) { 13956 Slog.e(TAG, "Exception trying to enqueue restore", e); 13957 doRestore = false; 13958 } 13959 } else { 13960 Slog.e(TAG, "Backup Manager not found!"); 13961 doRestore = false; 13962 } 13963 } 13964 13965 if (!doRestore) { 13966 // No restore possible, or the Backup Manager was mysteriously not 13967 // available -- just fire the post-install work request directly. 13968 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 13969 13970 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 13971 13972 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 13973 mHandler.sendMessage(msg); 13974 } 13975 } 13976 }); 13977 } 13978 13979 /** 13980 * Callback from PackageSettings whenever an app is first transitioned out of the 13981 * 'stopped' state. Normally we just issue the broadcast, but we can't do that if 13982 * the app was "launched" for a restoreAtInstall operation. Therefore we check 13983 * here whether the app is the target of an ongoing install, and only send the 13984 * broadcast immediately if it is not in that state. If it *is* undergoing a restore, 13985 * the first-launch broadcast will be sent implicitly on that basis in POST_INSTALL 13986 * handling. 13987 */ 13988 void notifyFirstLaunch(final String pkgName, final String installerPackage, final int userId) { 13989 // Serialize this with the rest of the install-process message chain. In the 13990 // restore-at-install case, this Runnable will necessarily run before the 13991 // POST_INSTALL message is processed, so the contents of mRunningInstalls 13992 // are coherent. In the non-restore case, the app has already completed install 13993 // and been launched through some other means, so it is not in a problematic 13994 // state for observers to see the FIRST_LAUNCH signal. 13995 mHandler.post(new Runnable() { 13996 @Override 13997 public void run() { 13998 for (int i = 0; i < mRunningInstalls.size(); i++) { 13999 final PostInstallData data = mRunningInstalls.valueAt(i); 14000 if (data.res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 14001 continue; 14002 } 14003 if (pkgName.equals(data.res.pkg.applicationInfo.packageName)) { 14004 // right package; but is it for the right user? 14005 for (int uIndex = 0; uIndex < data.res.newUsers.length; uIndex++) { 14006 if (userId == data.res.newUsers[uIndex]) { 14007 if (DEBUG_BACKUP) { 14008 Slog.i(TAG, "Package " + pkgName 14009 + " being restored so deferring FIRST_LAUNCH"); 14010 } 14011 return; 14012 } 14013 } 14014 } 14015 } 14016 // didn't find it, so not being restored 14017 if (DEBUG_BACKUP) { 14018 Slog.i(TAG, "Package " + pkgName + " sending normal FIRST_LAUNCH"); 14019 } 14020 sendFirstLaunchBroadcast(pkgName, installerPackage, new int[] {userId}); 14021 } 14022 }); 14023 } 14024 14025 private void sendFirstLaunchBroadcast(String pkgName, String installerPkg, int[] userIds) { 14026 sendPackageBroadcast(Intent.ACTION_PACKAGE_FIRST_LAUNCH, pkgName, null, 0, 14027 installerPkg, null, userIds); 14028 } 14029 14030 private abstract class HandlerParams { 14031 private static final int MAX_RETRIES = 4; 14032 14033 /** 14034 * Number of times startCopy() has been attempted and had a non-fatal 14035 * error. 14036 */ 14037 private int mRetries = 0; 14038 14039 /** User handle for the user requesting the information or installation. */ 14040 private final UserHandle mUser; 14041 String traceMethod; 14042 int traceCookie; 14043 14044 HandlerParams(UserHandle user) { 14045 mUser = user; 14046 } 14047 14048 UserHandle getUser() { 14049 return mUser; 14050 } 14051 14052 HandlerParams setTraceMethod(String traceMethod) { 14053 this.traceMethod = traceMethod; 14054 return this; 14055 } 14056 14057 HandlerParams setTraceCookie(int traceCookie) { 14058 this.traceCookie = traceCookie; 14059 return this; 14060 } 14061 14062 final boolean startCopy() { 14063 boolean res; 14064 try { 14065 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 14066 14067 if (++mRetries > MAX_RETRIES) { 14068 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 14069 mHandler.sendEmptyMessage(MCS_GIVE_UP); 14070 handleServiceError(); 14071 return false; 14072 } else { 14073 handleStartCopy(); 14074 res = true; 14075 } 14076 } catch (RemoteException e) { 14077 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 14078 mHandler.sendEmptyMessage(MCS_RECONNECT); 14079 res = false; 14080 } 14081 handleReturnCode(); 14082 return res; 14083 } 14084 14085 final void serviceError() { 14086 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 14087 handleServiceError(); 14088 handleReturnCode(); 14089 } 14090 14091 abstract void handleStartCopy() throws RemoteException; 14092 abstract void handleServiceError(); 14093 abstract void handleReturnCode(); 14094 } 14095 14096 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 14097 for (File path : paths) { 14098 try { 14099 mcs.clearDirectory(path.getAbsolutePath()); 14100 } catch (RemoteException e) { 14101 } 14102 } 14103 } 14104 14105 static class OriginInfo { 14106 /** 14107 * Location where install is coming from, before it has been 14108 * copied/renamed into place. This could be a single monolithic APK 14109 * file, or a cluster directory. This location may be untrusted. 14110 */ 14111 final File file; 14112 14113 /** 14114 * Flag indicating that {@link #file} or {@link #cid} has already been 14115 * staged, meaning downstream users don't need to defensively copy the 14116 * contents. 14117 */ 14118 final boolean staged; 14119 14120 /** 14121 * Flag indicating that {@link #file} or {@link #cid} is an already 14122 * installed app that is being moved. 14123 */ 14124 final boolean existing; 14125 14126 final String resolvedPath; 14127 final File resolvedFile; 14128 14129 static OriginInfo fromNothing() { 14130 return new OriginInfo(null, false, false); 14131 } 14132 14133 static OriginInfo fromUntrustedFile(File file) { 14134 return new OriginInfo(file, false, false); 14135 } 14136 14137 static OriginInfo fromExistingFile(File file) { 14138 return new OriginInfo(file, false, true); 14139 } 14140 14141 static OriginInfo fromStagedFile(File file) { 14142 return new OriginInfo(file, true, false); 14143 } 14144 14145 private OriginInfo(File file, boolean staged, boolean existing) { 14146 this.file = file; 14147 this.staged = staged; 14148 this.existing = existing; 14149 14150 if (file != null) { 14151 resolvedPath = file.getAbsolutePath(); 14152 resolvedFile = file; 14153 } else { 14154 resolvedPath = null; 14155 resolvedFile = null; 14156 } 14157 } 14158 } 14159 14160 static class MoveInfo { 14161 final int moveId; 14162 final String fromUuid; 14163 final String toUuid; 14164 final String packageName; 14165 final String dataAppName; 14166 final int appId; 14167 final String seinfo; 14168 final int targetSdkVersion; 14169 14170 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 14171 String dataAppName, int appId, String seinfo, int targetSdkVersion) { 14172 this.moveId = moveId; 14173 this.fromUuid = fromUuid; 14174 this.toUuid = toUuid; 14175 this.packageName = packageName; 14176 this.dataAppName = dataAppName; 14177 this.appId = appId; 14178 this.seinfo = seinfo; 14179 this.targetSdkVersion = targetSdkVersion; 14180 } 14181 } 14182 14183 static class VerificationInfo { 14184 /** A constant used to indicate that a uid value is not present. */ 14185 public static final int NO_UID = -1; 14186 14187 /** URI referencing where the package was downloaded from. */ 14188 final Uri originatingUri; 14189 14190 /** HTTP referrer URI associated with the originatingURI. */ 14191 final Uri referrer; 14192 14193 /** UID of the application that the install request originated from. */ 14194 final int originatingUid; 14195 14196 /** UID of application requesting the install */ 14197 final int installerUid; 14198 14199 VerificationInfo(Uri originatingUri, Uri referrer, int originatingUid, int installerUid) { 14200 this.originatingUri = originatingUri; 14201 this.referrer = referrer; 14202 this.originatingUid = originatingUid; 14203 this.installerUid = installerUid; 14204 } 14205 } 14206 14207 class InstallParams extends HandlerParams { 14208 final OriginInfo origin; 14209 final MoveInfo move; 14210 final IPackageInstallObserver2 observer; 14211 int installFlags; 14212 final String installerPackageName; 14213 final String volumeUuid; 14214 private InstallArgs mArgs; 14215 private int mRet; 14216 final String packageAbiOverride; 14217 final String[] grantedRuntimePermissions; 14218 final VerificationInfo verificationInfo; 14219 final Certificate[][] certificates; 14220 final int installReason; 14221 14222 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 14223 int installFlags, String installerPackageName, String volumeUuid, 14224 VerificationInfo verificationInfo, UserHandle user, String packageAbiOverride, 14225 String[] grantedPermissions, Certificate[][] certificates, int installReason) { 14226 super(user); 14227 this.origin = origin; 14228 this.move = move; 14229 this.observer = observer; 14230 this.installFlags = installFlags; 14231 this.installerPackageName = installerPackageName; 14232 this.volumeUuid = volumeUuid; 14233 this.verificationInfo = verificationInfo; 14234 this.packageAbiOverride = packageAbiOverride; 14235 this.grantedRuntimePermissions = grantedPermissions; 14236 this.certificates = certificates; 14237 this.installReason = installReason; 14238 } 14239 14240 @Override 14241 public String toString() { 14242 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 14243 + " file=" + origin.file + "}"; 14244 } 14245 14246 private int installLocationPolicy(PackageInfoLite pkgLite) { 14247 String packageName = pkgLite.packageName; 14248 int installLocation = pkgLite.installLocation; 14249 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14250 // reader 14251 synchronized (mPackages) { 14252 // Currently installed package which the new package is attempting to replace or 14253 // null if no such package is installed. 14254 PackageParser.Package installedPkg = mPackages.get(packageName); 14255 // Package which currently owns the data which the new package will own if installed. 14256 // If an app is unstalled while keeping data (e.g., adb uninstall -k), installedPkg 14257 // will be null whereas dataOwnerPkg will contain information about the package 14258 // which was uninstalled while keeping its data. 14259 PackageParser.Package dataOwnerPkg = installedPkg; 14260 if (dataOwnerPkg == null) { 14261 PackageSetting ps = mSettings.mPackages.get(packageName); 14262 if (ps != null) { 14263 dataOwnerPkg = ps.pkg; 14264 } 14265 } 14266 14267 if (dataOwnerPkg != null) { 14268 // If installed, the package will get access to data left on the device by its 14269 // predecessor. As a security measure, this is permited only if this is not a 14270 // version downgrade or if the predecessor package is marked as debuggable and 14271 // a downgrade is explicitly requested. 14272 // 14273 // On debuggable platform builds, downgrades are permitted even for 14274 // non-debuggable packages to make testing easier. Debuggable platform builds do 14275 // not offer security guarantees and thus it's OK to disable some security 14276 // mechanisms to make debugging/testing easier on those builds. However, even on 14277 // debuggable builds downgrades of packages are permitted only if requested via 14278 // installFlags. This is because we aim to keep the behavior of debuggable 14279 // platform builds as close as possible to the behavior of non-debuggable 14280 // platform builds. 14281 final boolean downgradeRequested = 14282 (installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) != 0; 14283 final boolean packageDebuggable = 14284 (dataOwnerPkg.applicationInfo.flags 14285 & ApplicationInfo.FLAG_DEBUGGABLE) != 0; 14286 final boolean downgradePermitted = 14287 (downgradeRequested) && ((Build.IS_DEBUGGABLE) || (packageDebuggable)); 14288 if (!downgradePermitted) { 14289 try { 14290 checkDowngrade(dataOwnerPkg, pkgLite); 14291 } catch (PackageManagerException e) { 14292 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 14293 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 14294 } 14295 } 14296 } 14297 14298 if (installedPkg != null) { 14299 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 14300 // Check for updated system application. 14301 if ((installedPkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 14302 if (onSd) { 14303 Slog.w(TAG, "Cannot install update to system app on sdcard"); 14304 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 14305 } 14306 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14307 } else { 14308 if (onSd) { 14309 // Install flag overrides everything. 14310 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14311 } 14312 // If current upgrade specifies particular preference 14313 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 14314 // Application explicitly specified internal. 14315 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14316 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 14317 // App explictly prefers external. Let policy decide 14318 } else { 14319 // Prefer previous location 14320 if (isExternal(installedPkg)) { 14321 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14322 } 14323 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 14324 } 14325 } 14326 } else { 14327 // Invalid install. Return error code 14328 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 14329 } 14330 } 14331 } 14332 // All the special cases have been taken care of. 14333 // Return result based on recommended install location. 14334 if (onSd) { 14335 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 14336 } 14337 return pkgLite.recommendedInstallLocation; 14338 } 14339 14340 /* 14341 * Invoke remote method to get package information and install 14342 * location values. Override install location based on default 14343 * policy if needed and then create install arguments based 14344 * on the install location. 14345 */ 14346 public void handleStartCopy() throws RemoteException { 14347 int ret = PackageManager.INSTALL_SUCCEEDED; 14348 14349 // If we're already staged, we've firmly committed to an install location 14350 if (origin.staged) { 14351 if (origin.file != null) { 14352 installFlags |= PackageManager.INSTALL_INTERNAL; 14353 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 14354 } else { 14355 throw new IllegalStateException("Invalid stage location"); 14356 } 14357 } 14358 14359 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14360 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 14361 final boolean ephemeral = (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 14362 PackageInfoLite pkgLite = null; 14363 14364 if (onInt && onSd) { 14365 // Check if both bits are set. 14366 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 14367 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14368 } else if (onSd && ephemeral) { 14369 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 14370 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14371 } else { 14372 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 14373 packageAbiOverride); 14374 14375 if (DEBUG_EPHEMERAL && ephemeral) { 14376 Slog.v(TAG, "pkgLite for install: " + pkgLite); 14377 } 14378 14379 /* 14380 * If we have too little free space, try to free cache 14381 * before giving up. 14382 */ 14383 if (!origin.staged && pkgLite.recommendedInstallLocation 14384 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 14385 // TODO: focus freeing disk space on the target device 14386 final StorageManager storage = StorageManager.from(mContext); 14387 final long lowThreshold = storage.getStorageLowBytes( 14388 Environment.getDataDirectory()); 14389 14390 final long sizeBytes = mContainerService.calculateInstalledSize( 14391 origin.resolvedPath, packageAbiOverride); 14392 14393 try { 14394 mInstaller.freeCache(null, sizeBytes + lowThreshold, 0, 0); 14395 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 14396 installFlags, packageAbiOverride); 14397 } catch (InstallerException e) { 14398 Slog.w(TAG, "Failed to free cache", e); 14399 } 14400 14401 /* 14402 * The cache free must have deleted the file we 14403 * downloaded to install. 14404 * 14405 * TODO: fix the "freeCache" call to not delete 14406 * the file we care about. 14407 */ 14408 if (pkgLite.recommendedInstallLocation 14409 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 14410 pkgLite.recommendedInstallLocation 14411 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 14412 } 14413 } 14414 } 14415 14416 if (ret == PackageManager.INSTALL_SUCCEEDED) { 14417 int loc = pkgLite.recommendedInstallLocation; 14418 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 14419 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 14420 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 14421 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 14422 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 14423 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 14424 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 14425 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 14426 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 14427 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 14428 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 14429 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 14430 } else { 14431 // Override with defaults if needed. 14432 loc = installLocationPolicy(pkgLite); 14433 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 14434 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 14435 } else if (!onSd && !onInt) { 14436 // Override install location with flags 14437 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 14438 // Set the flag to install on external media. 14439 installFlags |= PackageManager.INSTALL_EXTERNAL; 14440 installFlags &= ~PackageManager.INSTALL_INTERNAL; 14441 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 14442 if (DEBUG_EPHEMERAL) { 14443 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 14444 } 14445 installFlags |= PackageManager.INSTALL_INSTANT_APP; 14446 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 14447 |PackageManager.INSTALL_INTERNAL); 14448 } else { 14449 // Make sure the flag for installing on external 14450 // media is unset 14451 installFlags |= PackageManager.INSTALL_INTERNAL; 14452 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 14453 } 14454 } 14455 } 14456 } 14457 14458 final InstallArgs args = createInstallArgs(this); 14459 mArgs = args; 14460 14461 if (ret == PackageManager.INSTALL_SUCCEEDED) { 14462 // TODO: http://b/22976637 14463 // Apps installed for "all" users use the device owner to verify the app 14464 UserHandle verifierUser = getUser(); 14465 if (verifierUser == UserHandle.ALL) { 14466 verifierUser = UserHandle.SYSTEM; 14467 } 14468 14469 /* 14470 * Determine if we have any installed package verifiers. If we 14471 * do, then we'll defer to them to verify the packages. 14472 */ 14473 final int requiredUid = mRequiredVerifierPackage == null ? -1 14474 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 14475 verifierUser.getIdentifier()); 14476 final int installerUid = 14477 verificationInfo == null ? -1 : verificationInfo.installerUid; 14478 if (!origin.existing && requiredUid != -1 14479 && isVerificationEnabled( 14480 verifierUser.getIdentifier(), installFlags, installerUid)) { 14481 final Intent verification = new Intent( 14482 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 14483 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 14484 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 14485 PACKAGE_MIME_TYPE); 14486 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 14487 14488 // Query all live verifiers based on current user state 14489 final List<ResolveInfo> receivers = queryIntentReceiversInternal(verification, 14490 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier(), 14491 false /*allowDynamicSplits*/); 14492 14493 if (DEBUG_VERIFY) { 14494 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 14495 + verification.toString() + " with " + pkgLite.verifiers.length 14496 + " optional verifiers"); 14497 } 14498 14499 final int verificationId = mPendingVerificationToken++; 14500 14501 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 14502 14503 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 14504 installerPackageName); 14505 14506 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 14507 installFlags); 14508 14509 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 14510 pkgLite.packageName); 14511 14512 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 14513 pkgLite.versionCode); 14514 14515 if (verificationInfo != null) { 14516 if (verificationInfo.originatingUri != null) { 14517 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 14518 verificationInfo.originatingUri); 14519 } 14520 if (verificationInfo.referrer != null) { 14521 verification.putExtra(Intent.EXTRA_REFERRER, 14522 verificationInfo.referrer); 14523 } 14524 if (verificationInfo.originatingUid >= 0) { 14525 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 14526 verificationInfo.originatingUid); 14527 } 14528 if (verificationInfo.installerUid >= 0) { 14529 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 14530 verificationInfo.installerUid); 14531 } 14532 } 14533 14534 final PackageVerificationState verificationState = new PackageVerificationState( 14535 requiredUid, args); 14536 14537 mPendingVerification.append(verificationId, verificationState); 14538 14539 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 14540 receivers, verificationState); 14541 14542 DeviceIdleController.LocalService idleController = getDeviceIdleController(); 14543 final long idleDuration = getVerificationTimeout(); 14544 14545 /* 14546 * If any sufficient verifiers were listed in the package 14547 * manifest, attempt to ask them. 14548 */ 14549 if (sufficientVerifiers != null) { 14550 final int N = sufficientVerifiers.size(); 14551 if (N == 0) { 14552 Slog.i(TAG, "Additional verifiers required, but none installed."); 14553 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 14554 } else { 14555 for (int i = 0; i < N; i++) { 14556 final ComponentName verifierComponent = sufficientVerifiers.get(i); 14557 idleController.addPowerSaveTempWhitelistApp(Process.myUid(), 14558 verifierComponent.getPackageName(), idleDuration, 14559 verifierUser.getIdentifier(), false, "package verifier"); 14560 14561 final Intent sufficientIntent = new Intent(verification); 14562 sufficientIntent.setComponent(verifierComponent); 14563 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 14564 } 14565 } 14566 } 14567 14568 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 14569 mRequiredVerifierPackage, receivers); 14570 if (ret == PackageManager.INSTALL_SUCCEEDED 14571 && mRequiredVerifierPackage != null) { 14572 Trace.asyncTraceBegin( 14573 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 14574 /* 14575 * Send the intent to the required verification agent, 14576 * but only start the verification timeout after the 14577 * target BroadcastReceivers have run. 14578 */ 14579 verification.setComponent(requiredVerifierComponent); 14580 idleController.addPowerSaveTempWhitelistApp(Process.myUid(), 14581 mRequiredVerifierPackage, idleDuration, 14582 verifierUser.getIdentifier(), false, "package verifier"); 14583 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 14584 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 14585 new BroadcastReceiver() { 14586 @Override 14587 public void onReceive(Context context, Intent intent) { 14588 final Message msg = mHandler 14589 .obtainMessage(CHECK_PENDING_VERIFICATION); 14590 msg.arg1 = verificationId; 14591 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 14592 } 14593 }, null, 0, null, null); 14594 14595 /* 14596 * We don't want the copy to proceed until verification 14597 * succeeds, so null out this field. 14598 */ 14599 mArgs = null; 14600 } 14601 } else { 14602 /* 14603 * No package verification is enabled, so immediately start 14604 * the remote call to initiate copy using temporary file. 14605 */ 14606 ret = args.copyApk(mContainerService, true); 14607 } 14608 } 14609 14610 mRet = ret; 14611 } 14612 14613 @Override 14614 void handleReturnCode() { 14615 // If mArgs is null, then MCS couldn't be reached. When it 14616 // reconnects, it will try again to install. At that point, this 14617 // will succeed. 14618 if (mArgs != null) { 14619 processPendingInstall(mArgs, mRet); 14620 } 14621 } 14622 14623 @Override 14624 void handleServiceError() { 14625 mArgs = createInstallArgs(this); 14626 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 14627 } 14628 } 14629 14630 private InstallArgs createInstallArgs(InstallParams params) { 14631 if (params.move != null) { 14632 return new MoveInstallArgs(params); 14633 } else { 14634 return new FileInstallArgs(params); 14635 } 14636 } 14637 14638 /** 14639 * Create args that describe an existing installed package. Typically used 14640 * when cleaning up old installs, or used as a move source. 14641 */ 14642 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 14643 String resourcePath, String[] instructionSets) { 14644 return new FileInstallArgs(codePath, resourcePath, instructionSets); 14645 } 14646 14647 static abstract class InstallArgs { 14648 /** @see InstallParams#origin */ 14649 final OriginInfo origin; 14650 /** @see InstallParams#move */ 14651 final MoveInfo move; 14652 14653 final IPackageInstallObserver2 observer; 14654 // Always refers to PackageManager flags only 14655 final int installFlags; 14656 final String installerPackageName; 14657 final String volumeUuid; 14658 final UserHandle user; 14659 final String abiOverride; 14660 final String[] installGrantPermissions; 14661 /** If non-null, drop an async trace when the install completes */ 14662 final String traceMethod; 14663 final int traceCookie; 14664 final Certificate[][] certificates; 14665 final int installReason; 14666 14667 // The list of instruction sets supported by this app. This is currently 14668 // only used during the rmdex() phase to clean up resources. We can get rid of this 14669 // if we move dex files under the common app path. 14670 /* nullable */ String[] instructionSets; 14671 14672 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 14673 int installFlags, String installerPackageName, String volumeUuid, 14674 UserHandle user, String[] instructionSets, 14675 String abiOverride, String[] installGrantPermissions, 14676 String traceMethod, int traceCookie, Certificate[][] certificates, 14677 int installReason) { 14678 this.origin = origin; 14679 this.move = move; 14680 this.installFlags = installFlags; 14681 this.observer = observer; 14682 this.installerPackageName = installerPackageName; 14683 this.volumeUuid = volumeUuid; 14684 this.user = user; 14685 this.instructionSets = instructionSets; 14686 this.abiOverride = abiOverride; 14687 this.installGrantPermissions = installGrantPermissions; 14688 this.traceMethod = traceMethod; 14689 this.traceCookie = traceCookie; 14690 this.certificates = certificates; 14691 this.installReason = installReason; 14692 } 14693 14694 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 14695 abstract int doPreInstall(int status); 14696 14697 /** 14698 * Rename package into final resting place. All paths on the given 14699 * scanned package should be updated to reflect the rename. 14700 */ 14701 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 14702 abstract int doPostInstall(int status, int uid); 14703 14704 /** @see PackageSettingBase#codePathString */ 14705 abstract String getCodePath(); 14706 /** @see PackageSettingBase#resourcePathString */ 14707 abstract String getResourcePath(); 14708 14709 // Need installer lock especially for dex file removal. 14710 abstract void cleanUpResourcesLI(); 14711 abstract boolean doPostDeleteLI(boolean delete); 14712 14713 /** 14714 * Called before the source arguments are copied. This is used mostly 14715 * for MoveParams when it needs to read the source file to put it in the 14716 * destination. 14717 */ 14718 int doPreCopy() { 14719 return PackageManager.INSTALL_SUCCEEDED; 14720 } 14721 14722 /** 14723 * Called after the source arguments are copied. This is used mostly for 14724 * MoveParams when it needs to read the source file to put it in the 14725 * destination. 14726 */ 14727 int doPostCopy(int uid) { 14728 return PackageManager.INSTALL_SUCCEEDED; 14729 } 14730 14731 protected boolean isFwdLocked() { 14732 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 14733 } 14734 14735 protected boolean isExternalAsec() { 14736 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 14737 } 14738 14739 protected boolean isEphemeral() { 14740 return (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 14741 } 14742 14743 UserHandle getUser() { 14744 return user; 14745 } 14746 } 14747 14748 void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 14749 if (!allCodePaths.isEmpty()) { 14750 if (instructionSets == null) { 14751 throw new IllegalStateException("instructionSet == null"); 14752 } 14753 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 14754 for (String codePath : allCodePaths) { 14755 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 14756 try { 14757 mInstaller.rmdex(codePath, dexCodeInstructionSet); 14758 } catch (InstallerException ignored) { 14759 } 14760 } 14761 } 14762 } 14763 } 14764 14765 /** 14766 * Logic to handle installation of non-ASEC applications, including copying 14767 * and renaming logic. 14768 */ 14769 class FileInstallArgs extends InstallArgs { 14770 private File codeFile; 14771 private File resourceFile; 14772 14773 // Example topology: 14774 // /data/app/com.example/base.apk 14775 // /data/app/com.example/split_foo.apk 14776 // /data/app/com.example/lib/arm/libfoo.so 14777 // /data/app/com.example/lib/arm64/libfoo.so 14778 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 14779 14780 /** New install */ 14781 FileInstallArgs(InstallParams params) { 14782 super(params.origin, params.move, params.observer, params.installFlags, 14783 params.installerPackageName, params.volumeUuid, 14784 params.getUser(), null /*instructionSets*/, params.packageAbiOverride, 14785 params.grantedRuntimePermissions, 14786 params.traceMethod, params.traceCookie, params.certificates, 14787 params.installReason); 14788 if (isFwdLocked()) { 14789 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 14790 } 14791 } 14792 14793 /** Existing install */ 14794 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 14795 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 14796 null, null, null, 0, null /*certificates*/, 14797 PackageManager.INSTALL_REASON_UNKNOWN); 14798 this.codeFile = (codePath != null) ? new File(codePath) : null; 14799 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 14800 } 14801 14802 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 14803 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 14804 try { 14805 return doCopyApk(imcs, temp); 14806 } finally { 14807 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 14808 } 14809 } 14810 14811 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 14812 if (origin.staged) { 14813 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 14814 codeFile = origin.file; 14815 resourceFile = origin.file; 14816 return PackageManager.INSTALL_SUCCEEDED; 14817 } 14818 14819 try { 14820 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_INSTANT_APP) != 0; 14821 final File tempDir = 14822 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 14823 codeFile = tempDir; 14824 resourceFile = tempDir; 14825 } catch (IOException e) { 14826 Slog.w(TAG, "Failed to create copy file: " + e); 14827 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 14828 } 14829 14830 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 14831 @Override 14832 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 14833 if (!FileUtils.isValidExtFilename(name)) { 14834 throw new IllegalArgumentException("Invalid filename: " + name); 14835 } 14836 try { 14837 final File file = new File(codeFile, name); 14838 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 14839 O_RDWR | O_CREAT, 0644); 14840 Os.chmod(file.getAbsolutePath(), 0644); 14841 return new ParcelFileDescriptor(fd); 14842 } catch (ErrnoException e) { 14843 throw new RemoteException("Failed to open: " + e.getMessage()); 14844 } 14845 } 14846 }; 14847 14848 int ret = PackageManager.INSTALL_SUCCEEDED; 14849 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 14850 if (ret != PackageManager.INSTALL_SUCCEEDED) { 14851 Slog.e(TAG, "Failed to copy package"); 14852 return ret; 14853 } 14854 14855 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 14856 NativeLibraryHelper.Handle handle = null; 14857 try { 14858 handle = NativeLibraryHelper.Handle.create(codeFile); 14859 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 14860 abiOverride); 14861 } catch (IOException e) { 14862 Slog.e(TAG, "Copying native libraries failed", e); 14863 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 14864 } finally { 14865 IoUtils.closeQuietly(handle); 14866 } 14867 14868 return ret; 14869 } 14870 14871 int doPreInstall(int status) { 14872 if (status != PackageManager.INSTALL_SUCCEEDED) { 14873 cleanUp(); 14874 } 14875 return status; 14876 } 14877 14878 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 14879 if (status != PackageManager.INSTALL_SUCCEEDED) { 14880 cleanUp(); 14881 return false; 14882 } 14883 14884 final File targetDir = codeFile.getParentFile(); 14885 final File beforeCodeFile = codeFile; 14886 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 14887 14888 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 14889 try { 14890 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 14891 } catch (ErrnoException e) { 14892 Slog.w(TAG, "Failed to rename", e); 14893 return false; 14894 } 14895 14896 if (!SELinux.restoreconRecursive(afterCodeFile)) { 14897 Slog.w(TAG, "Failed to restorecon"); 14898 return false; 14899 } 14900 14901 // Reflect the rename internally 14902 codeFile = afterCodeFile; 14903 resourceFile = afterCodeFile; 14904 14905 // Reflect the rename in scanned details 14906 pkg.setCodePath(afterCodeFile.getAbsolutePath()); 14907 pkg.setBaseCodePath(FileUtils.rewriteAfterRename(beforeCodeFile, 14908 afterCodeFile, pkg.baseCodePath)); 14909 pkg.setSplitCodePaths(FileUtils.rewriteAfterRename(beforeCodeFile, 14910 afterCodeFile, pkg.splitCodePaths)); 14911 14912 // Reflect the rename in app info 14913 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 14914 pkg.setApplicationInfoCodePath(pkg.codePath); 14915 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 14916 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 14917 pkg.setApplicationInfoResourcePath(pkg.codePath); 14918 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 14919 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 14920 14921 return true; 14922 } 14923 14924 int doPostInstall(int status, int uid) { 14925 if (status != PackageManager.INSTALL_SUCCEEDED) { 14926 cleanUp(); 14927 } 14928 return status; 14929 } 14930 14931 @Override 14932 String getCodePath() { 14933 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 14934 } 14935 14936 @Override 14937 String getResourcePath() { 14938 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 14939 } 14940 14941 private boolean cleanUp() { 14942 if (codeFile == null || !codeFile.exists()) { 14943 return false; 14944 } 14945 14946 removeCodePathLI(codeFile); 14947 14948 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 14949 resourceFile.delete(); 14950 } 14951 14952 return true; 14953 } 14954 14955 void cleanUpResourcesLI() { 14956 // Try enumerating all code paths before deleting 14957 List<String> allCodePaths = Collections.EMPTY_LIST; 14958 if (codeFile != null && codeFile.exists()) { 14959 try { 14960 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 14961 allCodePaths = pkg.getAllCodePaths(); 14962 } catch (PackageParserException e) { 14963 // Ignored; we tried our best 14964 } 14965 } 14966 14967 cleanUp(); 14968 removeDexFiles(allCodePaths, instructionSets); 14969 } 14970 14971 boolean doPostDeleteLI(boolean delete) { 14972 // XXX err, shouldn't we respect the delete flag? 14973 cleanUpResourcesLI(); 14974 return true; 14975 } 14976 } 14977 14978 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 14979 PackageManagerException { 14980 if (copyRet < 0) { 14981 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 14982 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 14983 throw new PackageManagerException(copyRet, message); 14984 } 14985 } 14986 } 14987 14988 /** 14989 * Extract the StorageManagerService "container ID" from the full code path of an 14990 * .apk. 14991 */ 14992 static String cidFromCodePath(String fullCodePath) { 14993 int eidx = fullCodePath.lastIndexOf("/"); 14994 String subStr1 = fullCodePath.substring(0, eidx); 14995 int sidx = subStr1.lastIndexOf("/"); 14996 return subStr1.substring(sidx+1, eidx); 14997 } 14998 14999 /** 15000 * Logic to handle movement of existing installed applications. 15001 */ 15002 class MoveInstallArgs extends InstallArgs { 15003 private File codeFile; 15004 private File resourceFile; 15005 15006 /** New install */ 15007 MoveInstallArgs(InstallParams params) { 15008 super(params.origin, params.move, params.observer, params.installFlags, 15009 params.installerPackageName, params.volumeUuid, 15010 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 15011 params.grantedRuntimePermissions, 15012 params.traceMethod, params.traceCookie, params.certificates, 15013 params.installReason); 15014 } 15015 15016 int copyApk(IMediaContainerService imcs, boolean temp) { 15017 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 15018 + move.fromUuid + " to " + move.toUuid); 15019 synchronized (mInstaller) { 15020 try { 15021 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 15022 move.dataAppName, move.appId, move.seinfo, move.targetSdkVersion); 15023 } catch (InstallerException e) { 15024 Slog.w(TAG, "Failed to move app", e); 15025 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 15026 } 15027 } 15028 15029 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 15030 resourceFile = codeFile; 15031 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 15032 15033 return PackageManager.INSTALL_SUCCEEDED; 15034 } 15035 15036 int doPreInstall(int status) { 15037 if (status != PackageManager.INSTALL_SUCCEEDED) { 15038 cleanUp(move.toUuid); 15039 } 15040 return status; 15041 } 15042 15043 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 15044 if (status != PackageManager.INSTALL_SUCCEEDED) { 15045 cleanUp(move.toUuid); 15046 return false; 15047 } 15048 15049 // Reflect the move in app info 15050 pkg.setApplicationVolumeUuid(pkg.volumeUuid); 15051 pkg.setApplicationInfoCodePath(pkg.codePath); 15052 pkg.setApplicationInfoBaseCodePath(pkg.baseCodePath); 15053 pkg.setApplicationInfoSplitCodePaths(pkg.splitCodePaths); 15054 pkg.setApplicationInfoResourcePath(pkg.codePath); 15055 pkg.setApplicationInfoBaseResourcePath(pkg.baseCodePath); 15056 pkg.setApplicationInfoSplitResourcePaths(pkg.splitCodePaths); 15057 15058 return true; 15059 } 15060 15061 int doPostInstall(int status, int uid) { 15062 if (status == PackageManager.INSTALL_SUCCEEDED) { 15063 cleanUp(move.fromUuid); 15064 } else { 15065 cleanUp(move.toUuid); 15066 } 15067 return status; 15068 } 15069 15070 @Override 15071 String getCodePath() { 15072 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 15073 } 15074 15075 @Override 15076 String getResourcePath() { 15077 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 15078 } 15079 15080 private boolean cleanUp(String volumeUuid) { 15081 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 15082 move.dataAppName); 15083 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 15084 final int[] userIds = sUserManager.getUserIds(); 15085 synchronized (mInstallLock) { 15086 // Clean up both app data and code 15087 // All package moves are frozen until finished 15088 for (int userId : userIds) { 15089 try { 15090 mInstaller.destroyAppData(volumeUuid, move.packageName, userId, 15091 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE, 0); 15092 } catch (InstallerException e) { 15093 Slog.w(TAG, String.valueOf(e)); 15094 } 15095 } 15096 removeCodePathLI(codeFile); 15097 } 15098 return true; 15099 } 15100 15101 void cleanUpResourcesLI() { 15102 throw new UnsupportedOperationException(); 15103 } 15104 15105 boolean doPostDeleteLI(boolean delete) { 15106 throw new UnsupportedOperationException(); 15107 } 15108 } 15109 15110 static String getAsecPackageName(String packageCid) { 15111 int idx = packageCid.lastIndexOf("-"); 15112 if (idx == -1) { 15113 return packageCid; 15114 } 15115 return packageCid.substring(0, idx); 15116 } 15117 15118 // Utility method used to create code paths based on package name and available index. 15119 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 15120 String idxStr = ""; 15121 int idx = 1; 15122 // Fall back to default value of idx=1 if prefix is not 15123 // part of oldCodePath 15124 if (oldCodePath != null) { 15125 String subStr = oldCodePath; 15126 // Drop the suffix right away 15127 if (suffix != null && subStr.endsWith(suffix)) { 15128 subStr = subStr.substring(0, subStr.length() - suffix.length()); 15129 } 15130 // If oldCodePath already contains prefix find out the 15131 // ending index to either increment or decrement. 15132 int sidx = subStr.lastIndexOf(prefix); 15133 if (sidx != -1) { 15134 subStr = subStr.substring(sidx + prefix.length()); 15135 if (subStr != null) { 15136 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 15137 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 15138 } 15139 try { 15140 idx = Integer.parseInt(subStr); 15141 if (idx <= 1) { 15142 idx++; 15143 } else { 15144 idx--; 15145 } 15146 } catch(NumberFormatException e) { 15147 } 15148 } 15149 } 15150 } 15151 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 15152 return prefix + idxStr; 15153 } 15154 15155 private File getNextCodePath(File targetDir, String packageName) { 15156 File result; 15157 SecureRandom random = new SecureRandom(); 15158 byte[] bytes = new byte[16]; 15159 do { 15160 random.nextBytes(bytes); 15161 String suffix = Base64.encodeToString(bytes, Base64.URL_SAFE | Base64.NO_WRAP); 15162 result = new File(targetDir, packageName + "-" + suffix); 15163 } while (result.exists()); 15164 return result; 15165 } 15166 15167 // Utility method that returns the relative package path with respect 15168 // to the installation directory. Like say for /data/data/com.test-1.apk 15169 // string com.test-1 is returned. 15170 static String deriveCodePathName(String codePath) { 15171 if (codePath == null) { 15172 return null; 15173 } 15174 final File codeFile = new File(codePath); 15175 final String name = codeFile.getName(); 15176 if (codeFile.isDirectory()) { 15177 return name; 15178 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 15179 final int lastDot = name.lastIndexOf('.'); 15180 return name.substring(0, lastDot); 15181 } else { 15182 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 15183 return null; 15184 } 15185 } 15186 15187 static class PackageInstalledInfo { 15188 String name; 15189 int uid; 15190 // The set of users that originally had this package installed. 15191 int[] origUsers; 15192 // The set of users that now have this package installed. 15193 int[] newUsers; 15194 PackageParser.Package pkg; 15195 int returnCode; 15196 String returnMsg; 15197 String installerPackageName; 15198 PackageRemovedInfo removedInfo; 15199 ArrayMap<String, PackageInstalledInfo> addedChildPackages; 15200 15201 public void setError(int code, String msg) { 15202 setReturnCode(code); 15203 setReturnMessage(msg); 15204 Slog.w(TAG, msg); 15205 } 15206 15207 public void setError(String msg, PackageParserException e) { 15208 setReturnCode(e.error); 15209 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 15210 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 15211 for (int i = 0; i < childCount; i++) { 15212 addedChildPackages.valueAt(i).setError(msg, e); 15213 } 15214 Slog.w(TAG, msg, e); 15215 } 15216 15217 public void setError(String msg, PackageManagerException e) { 15218 returnCode = e.error; 15219 setReturnMessage(ExceptionUtils.getCompleteMessage(msg, e)); 15220 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 15221 for (int i = 0; i < childCount; i++) { 15222 addedChildPackages.valueAt(i).setError(msg, e); 15223 } 15224 Slog.w(TAG, msg, e); 15225 } 15226 15227 public void setReturnCode(int returnCode) { 15228 this.returnCode = returnCode; 15229 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 15230 for (int i = 0; i < childCount; i++) { 15231 addedChildPackages.valueAt(i).returnCode = returnCode; 15232 } 15233 } 15234 15235 private void setReturnMessage(String returnMsg) { 15236 this.returnMsg = returnMsg; 15237 final int childCount = (addedChildPackages != null) ? addedChildPackages.size() : 0; 15238 for (int i = 0; i < childCount; i++) { 15239 addedChildPackages.valueAt(i).returnMsg = returnMsg; 15240 } 15241 } 15242 15243 // In some error cases we want to convey more info back to the observer 15244 String origPackage; 15245 String origPermission; 15246 } 15247 15248 /* 15249 * Install a non-existing package. 15250 */ 15251 private void installNewPackageLIF(PackageParser.Package pkg, final int policyFlags, 15252 int scanFlags, UserHandle user, String installerPackageName, String volumeUuid, 15253 PackageInstalledInfo res, int installReason) { 15254 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 15255 15256 // Remember this for later, in case we need to rollback this install 15257 String pkgName = pkg.packageName; 15258 15259 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 15260 15261 synchronized(mPackages) { 15262 final String renamedPackage = mSettings.getRenamedPackageLPr(pkgName); 15263 if (renamedPackage != null) { 15264 // A package with the same name is already installed, though 15265 // it has been renamed to an older name. The package we 15266 // are trying to install should be installed as an update to 15267 // the existing one, but that has not been requested, so bail. 15268 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 15269 + " without first uninstalling package running as " 15270 + renamedPackage); 15271 return; 15272 } 15273 if (mPackages.containsKey(pkgName)) { 15274 // Don't allow installation over an existing package with the same name. 15275 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 15276 + " without first uninstalling."); 15277 return; 15278 } 15279 } 15280 15281 try { 15282 PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 15283 System.currentTimeMillis(), user); 15284 15285 updateSettingsLI(newPackage, installerPackageName, null, res, user, installReason); 15286 15287 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 15288 prepareAppDataAfterInstallLIF(newPackage); 15289 15290 } else { 15291 // Remove package from internal structures, but keep around any 15292 // data that might have already existed 15293 deletePackageLIF(pkgName, UserHandle.ALL, false, null, 15294 PackageManager.DELETE_KEEP_DATA, res.removedInfo, true, null); 15295 } 15296 } catch (PackageManagerException e) { 15297 res.setError("Package couldn't be installed in " + pkg.codePath, e); 15298 } 15299 15300 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15301 } 15302 15303 private static void updateDigest(MessageDigest digest, File file) throws IOException { 15304 try (DigestInputStream digestStream = 15305 new DigestInputStream(new FileInputStream(file), digest)) { 15306 while (digestStream.read() != -1) {} // nothing to do; just plow through the file 15307 } 15308 } 15309 15310 private void replacePackageLIF(PackageParser.Package pkg, final int policyFlags, int scanFlags, 15311 UserHandle user, String installerPackageName, PackageInstalledInfo res, 15312 int installReason) { 15313 final boolean isInstantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 15314 15315 final PackageParser.Package oldPackage; 15316 final PackageSetting ps; 15317 final String pkgName = pkg.packageName; 15318 final int[] allUsers; 15319 final int[] installedUsers; 15320 15321 synchronized(mPackages) { 15322 oldPackage = mPackages.get(pkgName); 15323 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 15324 15325 // don't allow upgrade to target a release SDK from a pre-release SDK 15326 final boolean oldTargetsPreRelease = oldPackage.applicationInfo.targetSdkVersion 15327 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 15328 final boolean newTargetsPreRelease = pkg.applicationInfo.targetSdkVersion 15329 == android.os.Build.VERSION_CODES.CUR_DEVELOPMENT; 15330 if (oldTargetsPreRelease 15331 && !newTargetsPreRelease 15332 && ((policyFlags & PackageParser.PARSE_FORCE_SDK) == 0)) { 15333 Slog.w(TAG, "Can't install package targeting released sdk"); 15334 res.setReturnCode(PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE); 15335 return; 15336 } 15337 15338 ps = mSettings.mPackages.get(pkgName); 15339 15340 // verify signatures are valid 15341 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 15342 if (ksms.shouldCheckUpgradeKeySetLocked(ps, scanFlags)) { 15343 if (!ksms.checkUpgradeKeySetLocked(ps, pkg)) { 15344 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 15345 "New package not signed by keys specified by upgrade-keysets: " 15346 + pkgName); 15347 return; 15348 } 15349 } else { 15350 // default to original signature matching 15351 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 15352 != PackageManager.SIGNATURE_MATCH) { 15353 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 15354 "New package has a different signature: " + pkgName); 15355 return; 15356 } 15357 } 15358 15359 // don't allow a system upgrade unless the upgrade hash matches 15360 if (oldPackage.restrictUpdateHash != null && oldPackage.isSystem()) { 15361 byte[] digestBytes = null; 15362 try { 15363 final MessageDigest digest = MessageDigest.getInstance("SHA-512"); 15364 updateDigest(digest, new File(pkg.baseCodePath)); 15365 if (!ArrayUtils.isEmpty(pkg.splitCodePaths)) { 15366 for (String path : pkg.splitCodePaths) { 15367 updateDigest(digest, new File(path)); 15368 } 15369 } 15370 digestBytes = digest.digest(); 15371 } catch (NoSuchAlgorithmException | IOException e) { 15372 res.setError(INSTALL_FAILED_INVALID_APK, 15373 "Could not compute hash: " + pkgName); 15374 return; 15375 } 15376 if (!Arrays.equals(oldPackage.restrictUpdateHash, digestBytes)) { 15377 res.setError(INSTALL_FAILED_INVALID_APK, 15378 "New package fails restrict-update check: " + pkgName); 15379 return; 15380 } 15381 // retain upgrade restriction 15382 pkg.restrictUpdateHash = oldPackage.restrictUpdateHash; 15383 } 15384 15385 // Check for shared user id changes 15386 String invalidPackageName = 15387 getParentOrChildPackageChangedSharedUser(oldPackage, pkg); 15388 if (invalidPackageName != null) { 15389 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 15390 "Package " + invalidPackageName + " tried to change user " 15391 + oldPackage.mSharedUserId); 15392 return; 15393 } 15394 15395 // In case of rollback, remember per-user/profile install state 15396 allUsers = sUserManager.getUserIds(); 15397 installedUsers = ps.queryInstalledUsers(allUsers, true); 15398 15399 // don't allow an upgrade from full to ephemeral 15400 if (isInstantApp) { 15401 if (user == null || user.getIdentifier() == UserHandle.USER_ALL) { 15402 for (int currentUser : allUsers) { 15403 if (!ps.getInstantApp(currentUser)) { 15404 // can't downgrade from full to instant 15405 Slog.w(TAG, "Can't replace full app with instant app: " + pkgName 15406 + " for user: " + currentUser); 15407 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 15408 return; 15409 } 15410 } 15411 } else if (!ps.getInstantApp(user.getIdentifier())) { 15412 // can't downgrade from full to instant 15413 Slog.w(TAG, "Can't replace full app with instant app: " + pkgName 15414 + " for user: " + user.getIdentifier()); 15415 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 15416 return; 15417 } 15418 } 15419 } 15420 15421 // Update what is removed 15422 res.removedInfo = new PackageRemovedInfo(this); 15423 res.removedInfo.uid = oldPackage.applicationInfo.uid; 15424 res.removedInfo.removedPackage = oldPackage.packageName; 15425 res.removedInfo.installerPackageName = ps.installerPackageName; 15426 res.removedInfo.isStaticSharedLib = pkg.staticSharedLibName != null; 15427 res.removedInfo.isUpdate = true; 15428 res.removedInfo.origUsers = installedUsers; 15429 res.removedInfo.installReasons = new SparseArray<>(installedUsers.length); 15430 for (int i = 0; i < installedUsers.length; i++) { 15431 final int userId = installedUsers[i]; 15432 res.removedInfo.installReasons.put(userId, ps.getInstallReason(userId)); 15433 } 15434 15435 final int childCount = (oldPackage.childPackages != null) 15436 ? oldPackage.childPackages.size() : 0; 15437 for (int i = 0; i < childCount; i++) { 15438 boolean childPackageUpdated = false; 15439 PackageParser.Package childPkg = oldPackage.childPackages.get(i); 15440 final PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 15441 if (res.addedChildPackages != null) { 15442 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 15443 if (childRes != null) { 15444 childRes.removedInfo.uid = childPkg.applicationInfo.uid; 15445 childRes.removedInfo.removedPackage = childPkg.packageName; 15446 if (childPs != null) { 15447 childRes.removedInfo.installerPackageName = childPs.installerPackageName; 15448 } 15449 childRes.removedInfo.isUpdate = true; 15450 childRes.removedInfo.installReasons = res.removedInfo.installReasons; 15451 childPackageUpdated = true; 15452 } 15453 } 15454 if (!childPackageUpdated) { 15455 PackageRemovedInfo childRemovedRes = new PackageRemovedInfo(this); 15456 childRemovedRes.removedPackage = childPkg.packageName; 15457 if (childPs != null) { 15458 childRemovedRes.installerPackageName = childPs.installerPackageName; 15459 } 15460 childRemovedRes.isUpdate = false; 15461 childRemovedRes.dataRemoved = true; 15462 synchronized (mPackages) { 15463 if (childPs != null) { 15464 childRemovedRes.origUsers = childPs.queryInstalledUsers(allUsers, true); 15465 } 15466 } 15467 if (res.removedInfo.removedChildPackages == null) { 15468 res.removedInfo.removedChildPackages = new ArrayMap<>(); 15469 } 15470 res.removedInfo.removedChildPackages.put(childPkg.packageName, childRemovedRes); 15471 } 15472 } 15473 15474 boolean sysPkg = (isSystemApp(oldPackage)); 15475 if (sysPkg) { 15476 // Set the system/privileged/oem flags as needed 15477 final boolean privileged = 15478 (oldPackage.applicationInfo.privateFlags 15479 & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 15480 final boolean oem = 15481 (oldPackage.applicationInfo.privateFlags 15482 & ApplicationInfo.PRIVATE_FLAG_OEM) != 0; 15483 final int systemPolicyFlags = policyFlags 15484 | PackageParser.PARSE_IS_SYSTEM 15485 | (privileged ? PARSE_IS_PRIVILEGED : 0) 15486 | (oem ? PARSE_IS_OEM : 0); 15487 15488 replaceSystemPackageLIF(oldPackage, pkg, systemPolicyFlags, scanFlags, 15489 user, allUsers, installerPackageName, res, installReason); 15490 } else { 15491 replaceNonSystemPackageLIF(oldPackage, pkg, policyFlags, scanFlags, 15492 user, allUsers, installerPackageName, res, installReason); 15493 } 15494 } 15495 15496 @Override 15497 public List<String> getPreviousCodePaths(String packageName) { 15498 final int callingUid = Binder.getCallingUid(); 15499 final List<String> result = new ArrayList<>(); 15500 if (getInstantAppPackageName(callingUid) != null) { 15501 return result; 15502 } 15503 final PackageSetting ps = mSettings.mPackages.get(packageName); 15504 if (ps != null 15505 && ps.oldCodePaths != null 15506 && !filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 15507 result.addAll(ps.oldCodePaths); 15508 } 15509 return result; 15510 } 15511 15512 private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage, 15513 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 15514 int[] allUsers, String installerPackageName, PackageInstalledInfo res, 15515 int installReason) { 15516 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 15517 + deletedPackage); 15518 15519 String pkgName = deletedPackage.packageName; 15520 boolean deletedPkg = true; 15521 boolean addedPkg = false; 15522 boolean updatedSettings = false; 15523 final boolean killApp = (scanFlags & SCAN_DONT_KILL_APP) == 0; 15524 final int deleteFlags = PackageManager.DELETE_KEEP_DATA 15525 | (killApp ? 0 : PackageManager.DELETE_DONT_KILL_APP); 15526 15527 final long origUpdateTime = (pkg.mExtras != null) 15528 ? ((PackageSetting)pkg.mExtras).lastUpdateTime : 0; 15529 15530 // First delete the existing package while retaining the data directory 15531 if (!deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 15532 res.removedInfo, true, pkg)) { 15533 // If the existing package wasn't successfully deleted 15534 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 15535 deletedPkg = false; 15536 } else { 15537 // Successfully deleted the old package; proceed with replace. 15538 15539 // If deleted package lived in a container, give users a chance to 15540 // relinquish resources before killing. 15541 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 15542 if (DEBUG_INSTALL) { 15543 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 15544 } 15545 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 15546 final ArrayList<String> pkgList = new ArrayList<String>(1); 15547 pkgList.add(deletedPackage.applicationInfo.packageName); 15548 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 15549 } 15550 15551 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 15552 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 15553 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 15554 15555 try { 15556 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, policyFlags, 15557 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 15558 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 15559 installReason); 15560 15561 // Update the in-memory copy of the previous code paths. 15562 PackageSetting ps = mSettings.mPackages.get(pkgName); 15563 if (!killApp) { 15564 if (ps.oldCodePaths == null) { 15565 ps.oldCodePaths = new ArraySet<>(); 15566 } 15567 Collections.addAll(ps.oldCodePaths, deletedPackage.baseCodePath); 15568 if (deletedPackage.splitCodePaths != null) { 15569 Collections.addAll(ps.oldCodePaths, deletedPackage.splitCodePaths); 15570 } 15571 } else { 15572 ps.oldCodePaths = null; 15573 } 15574 if (ps.childPackageNames != null) { 15575 for (int i = ps.childPackageNames.size() - 1; i >= 0; --i) { 15576 final String childPkgName = ps.childPackageNames.get(i); 15577 final PackageSetting childPs = mSettings.mPackages.get(childPkgName); 15578 childPs.oldCodePaths = ps.oldCodePaths; 15579 } 15580 } 15581 // set instant app status, but, only if it's explicitly specified 15582 final boolean instantApp = (scanFlags & SCAN_AS_INSTANT_APP) != 0; 15583 final boolean fullApp = (scanFlags & SCAN_AS_FULL_APP) != 0; 15584 setInstantAppForUser(ps, user.getIdentifier(), instantApp, fullApp); 15585 prepareAppDataAfterInstallLIF(newPackage); 15586 addedPkg = true; 15587 mDexManager.notifyPackageUpdated(newPackage.packageName, 15588 newPackage.baseCodePath, newPackage.splitCodePaths); 15589 } catch (PackageManagerException e) { 15590 res.setError("Package couldn't be installed in " + pkg.codePath, e); 15591 } 15592 } 15593 15594 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 15595 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 15596 15597 // Revert all internal state mutations and added folders for the failed install 15598 if (addedPkg) { 15599 deletePackageLIF(pkgName, null, true, allUsers, deleteFlags, 15600 res.removedInfo, true, null); 15601 } 15602 15603 // Restore the old package 15604 if (deletedPkg) { 15605 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 15606 File restoreFile = new File(deletedPackage.codePath); 15607 // Parse old package 15608 boolean oldExternal = isExternal(deletedPackage); 15609 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 15610 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 15611 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 15612 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 15613 try { 15614 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 15615 null); 15616 } catch (PackageManagerException e) { 15617 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 15618 + e.getMessage()); 15619 return; 15620 } 15621 15622 synchronized (mPackages) { 15623 // Ensure the installer package name up to date 15624 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 15625 15626 // Update permissions for restored package 15627 mPermissionManager.updatePermissions( 15628 deletedPackage.packageName, deletedPackage, false, mPackages.values(), 15629 mPermissionCallback); 15630 15631 mSettings.writeLPr(); 15632 } 15633 15634 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 15635 } 15636 } else { 15637 synchronized (mPackages) { 15638 PackageSetting ps = mSettings.getPackageLPr(pkg.packageName); 15639 if (ps != null) { 15640 res.removedInfo.removedForAllUsers = mPackages.get(ps.name) == null; 15641 if (res.removedInfo.removedChildPackages != null) { 15642 final int childCount = res.removedInfo.removedChildPackages.size(); 15643 // Iterate in reverse as we may modify the collection 15644 for (int i = childCount - 1; i >= 0; i--) { 15645 String childPackageName = res.removedInfo.removedChildPackages.keyAt(i); 15646 if (res.addedChildPackages.containsKey(childPackageName)) { 15647 res.removedInfo.removedChildPackages.removeAt(i); 15648 } else { 15649 PackageRemovedInfo childInfo = res.removedInfo 15650 .removedChildPackages.valueAt(i); 15651 childInfo.removedForAllUsers = mPackages.get( 15652 childInfo.removedPackage) == null; 15653 } 15654 } 15655 } 15656 } 15657 } 15658 } 15659 } 15660 15661 private void replaceSystemPackageLIF(PackageParser.Package deletedPackage, 15662 PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user, 15663 int[] allUsers, String installerPackageName, PackageInstalledInfo res, 15664 int installReason) { 15665 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 15666 + ", old=" + deletedPackage); 15667 15668 final boolean disabledSystem; 15669 15670 // Remove existing system package 15671 removePackageLI(deletedPackage, true); 15672 15673 synchronized (mPackages) { 15674 disabledSystem = disableSystemPackageLPw(deletedPackage, pkg); 15675 } 15676 if (!disabledSystem) { 15677 // We didn't need to disable the .apk as a current system package, 15678 // which means we are replacing another update that is already 15679 // installed. We need to make sure to delete the older one's .apk. 15680 res.removedInfo.args = createInstallArgsForExisting(0, 15681 deletedPackage.applicationInfo.getCodePath(), 15682 deletedPackage.applicationInfo.getResourcePath(), 15683 getAppDexInstructionSets(deletedPackage.applicationInfo)); 15684 } else { 15685 res.removedInfo.args = null; 15686 } 15687 15688 // Successfully disabled the old package. Now proceed with re-installation 15689 clearAppDataLIF(pkg, UserHandle.USER_ALL, StorageManager.FLAG_STORAGE_DE 15690 | StorageManager.FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 15691 clearAppProfilesLIF(deletedPackage, UserHandle.USER_ALL); 15692 15693 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 15694 pkg.setApplicationInfoFlags(ApplicationInfo.FLAG_UPDATED_SYSTEM_APP, 15695 ApplicationInfo.FLAG_UPDATED_SYSTEM_APP); 15696 15697 PackageParser.Package newPackage = null; 15698 try { 15699 // Add the package to the internal data structures 15700 newPackage = scanPackageTracedLI(pkg, policyFlags, scanFlags, 0, user); 15701 15702 // Set the update and install times 15703 PackageSetting deletedPkgSetting = (PackageSetting) deletedPackage.mExtras; 15704 setInstallAndUpdateTime(newPackage, deletedPkgSetting.firstInstallTime, 15705 System.currentTimeMillis()); 15706 15707 // Update the package dynamic state if succeeded 15708 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 15709 // Now that the install succeeded make sure we remove data 15710 // directories for any child package the update removed. 15711 final int deletedChildCount = (deletedPackage.childPackages != null) 15712 ? deletedPackage.childPackages.size() : 0; 15713 final int newChildCount = (newPackage.childPackages != null) 15714 ? newPackage.childPackages.size() : 0; 15715 for (int i = 0; i < deletedChildCount; i++) { 15716 PackageParser.Package deletedChildPkg = deletedPackage.childPackages.get(i); 15717 boolean childPackageDeleted = true; 15718 for (int j = 0; j < newChildCount; j++) { 15719 PackageParser.Package newChildPkg = newPackage.childPackages.get(j); 15720 if (deletedChildPkg.packageName.equals(newChildPkg.packageName)) { 15721 childPackageDeleted = false; 15722 break; 15723 } 15724 } 15725 if (childPackageDeleted) { 15726 PackageSetting ps = mSettings.getDisabledSystemPkgLPr( 15727 deletedChildPkg.packageName); 15728 if (ps != null && res.removedInfo.removedChildPackages != null) { 15729 PackageRemovedInfo removedChildRes = res.removedInfo 15730 .removedChildPackages.get(deletedChildPkg.packageName); 15731 removePackageDataLIF(ps, allUsers, removedChildRes, 0, false); 15732 removedChildRes.removedForAllUsers = mPackages.get(ps.name) == null; 15733 } 15734 } 15735 } 15736 15737 updateSettingsLI(newPackage, installerPackageName, allUsers, res, user, 15738 installReason); 15739 prepareAppDataAfterInstallLIF(newPackage); 15740 15741 mDexManager.notifyPackageUpdated(newPackage.packageName, 15742 newPackage.baseCodePath, newPackage.splitCodePaths); 15743 } 15744 } catch (PackageManagerException e) { 15745 res.setReturnCode(INSTALL_FAILED_INTERNAL_ERROR); 15746 res.setError("Package couldn't be installed in " + pkg.codePath, e); 15747 } 15748 15749 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 15750 // Re installation failed. Restore old information 15751 // Remove new pkg information 15752 if (newPackage != null) { 15753 removeInstalledPackageLI(newPackage, true); 15754 } 15755 // Add back the old system package 15756 try { 15757 scanPackageTracedLI(deletedPackage, policyFlags, SCAN_UPDATE_SIGNATURE, 0, user); 15758 } catch (PackageManagerException e) { 15759 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 15760 } 15761 15762 synchronized (mPackages) { 15763 if (disabledSystem) { 15764 enableSystemPackageLPw(deletedPackage); 15765 } 15766 15767 // Ensure the installer package name up to date 15768 setInstallerPackageNameLPw(deletedPackage, installerPackageName); 15769 15770 // Update permissions for restored package 15771 mPermissionManager.updatePermissions( 15772 deletedPackage.packageName, deletedPackage, false, mPackages.values(), 15773 mPermissionCallback); 15774 15775 mSettings.writeLPr(); 15776 } 15777 15778 Slog.i(TAG, "Successfully restored package : " + deletedPackage.packageName 15779 + " after failed upgrade"); 15780 } 15781 } 15782 15783 /** 15784 * Checks whether the parent or any of the child packages have a change shared 15785 * user. For a package to be a valid update the shred users of the parent and 15786 * the children should match. We may later support changing child shared users. 15787 * @param oldPkg The updated package. 15788 * @param newPkg The update package. 15789 * @return The shared user that change between the versions. 15790 */ 15791 private String getParentOrChildPackageChangedSharedUser(PackageParser.Package oldPkg, 15792 PackageParser.Package newPkg) { 15793 // Check parent shared user 15794 if (!Objects.equals(oldPkg.mSharedUserId, newPkg.mSharedUserId)) { 15795 return newPkg.packageName; 15796 } 15797 // Check child shared users 15798 final int oldChildCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 15799 final int newChildCount = (newPkg.childPackages != null) ? newPkg.childPackages.size() : 0; 15800 for (int i = 0; i < newChildCount; i++) { 15801 PackageParser.Package newChildPkg = newPkg.childPackages.get(i); 15802 // If this child was present, did it have the same shared user? 15803 for (int j = 0; j < oldChildCount; j++) { 15804 PackageParser.Package oldChildPkg = oldPkg.childPackages.get(j); 15805 if (newChildPkg.packageName.equals(oldChildPkg.packageName) 15806 && !Objects.equals(newChildPkg.mSharedUserId, oldChildPkg.mSharedUserId)) { 15807 return newChildPkg.packageName; 15808 } 15809 } 15810 } 15811 return null; 15812 } 15813 15814 private void removeNativeBinariesLI(PackageSetting ps) { 15815 // Remove the lib path for the parent package 15816 if (ps != null) { 15817 NativeLibraryHelper.removeNativeBinariesLI(ps.legacyNativeLibraryPathString); 15818 // Remove the lib path for the child packages 15819 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 15820 for (int i = 0; i < childCount; i++) { 15821 PackageSetting childPs = null; 15822 synchronized (mPackages) { 15823 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 15824 } 15825 if (childPs != null) { 15826 NativeLibraryHelper.removeNativeBinariesLI(childPs 15827 .legacyNativeLibraryPathString); 15828 } 15829 } 15830 } 15831 } 15832 15833 private void enableSystemPackageLPw(PackageParser.Package pkg) { 15834 // Enable the parent package 15835 mSettings.enableSystemPackageLPw(pkg.packageName); 15836 // Enable the child packages 15837 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15838 for (int i = 0; i < childCount; i++) { 15839 PackageParser.Package childPkg = pkg.childPackages.get(i); 15840 mSettings.enableSystemPackageLPw(childPkg.packageName); 15841 } 15842 } 15843 15844 private boolean disableSystemPackageLPw(PackageParser.Package oldPkg, 15845 PackageParser.Package newPkg) { 15846 // Disable the parent package (parent always replaced) 15847 boolean disabled = mSettings.disableSystemPackageLPw(oldPkg.packageName, true); 15848 // Disable the child packages 15849 final int childCount = (oldPkg.childPackages != null) ? oldPkg.childPackages.size() : 0; 15850 for (int i = 0; i < childCount; i++) { 15851 PackageParser.Package childPkg = oldPkg.childPackages.get(i); 15852 final boolean replace = newPkg.hasChildPackage(childPkg.packageName); 15853 disabled |= mSettings.disableSystemPackageLPw(childPkg.packageName, replace); 15854 } 15855 return disabled; 15856 } 15857 15858 private void setInstallerPackageNameLPw(PackageParser.Package pkg, 15859 String installerPackageName) { 15860 // Enable the parent package 15861 mSettings.setInstallerPackageName(pkg.packageName, installerPackageName); 15862 // Enable the child packages 15863 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 15864 for (int i = 0; i < childCount; i++) { 15865 PackageParser.Package childPkg = pkg.childPackages.get(i); 15866 mSettings.setInstallerPackageName(childPkg.packageName, installerPackageName); 15867 } 15868 } 15869 15870 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 15871 int[] allUsers, PackageInstalledInfo res, UserHandle user, int installReason) { 15872 // Update the parent package setting 15873 updateSettingsInternalLI(newPackage, installerPackageName, allUsers, res.origUsers, 15874 res, user, installReason); 15875 // Update the child packages setting 15876 final int childCount = (newPackage.childPackages != null) 15877 ? newPackage.childPackages.size() : 0; 15878 for (int i = 0; i < childCount; i++) { 15879 PackageParser.Package childPackage = newPackage.childPackages.get(i); 15880 PackageInstalledInfo childRes = res.addedChildPackages.get(childPackage.packageName); 15881 updateSettingsInternalLI(childPackage, installerPackageName, allUsers, 15882 childRes.origUsers, childRes, user, installReason); 15883 } 15884 } 15885 15886 private void updateSettingsInternalLI(PackageParser.Package pkg, 15887 String installerPackageName, int[] allUsers, int[] installedForUsers, 15888 PackageInstalledInfo res, UserHandle user, int installReason) { 15889 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 15890 15891 String pkgName = pkg.packageName; 15892 synchronized (mPackages) { 15893 //write settings. the installStatus will be incomplete at this stage. 15894 //note that the new package setting would have already been 15895 //added to mPackages. It hasn't been persisted yet. 15896 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 15897 // TODO: Remove this write? It's also written at the end of this method 15898 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 15899 mSettings.writeLPr(); 15900 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15901 } 15902 15903 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + pkg.codePath); 15904 synchronized (mPackages) { 15905// NOTE: This changes slightly to include UPDATE_PERMISSIONS_ALL regardless of the size of pkg.permissions 15906 mPermissionManager.updatePermissions(pkg.packageName, pkg, true, mPackages.values(), 15907 mPermissionCallback); 15908 // For system-bundled packages, we assume that installing an upgraded version 15909 // of the package implies that the user actually wants to run that new code, 15910 // so we enable the package. 15911 PackageSetting ps = mSettings.mPackages.get(pkgName); 15912 final int userId = user.getIdentifier(); 15913 if (ps != null) { 15914 if (isSystemApp(pkg)) { 15915 if (DEBUG_INSTALL) { 15916 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 15917 } 15918 // Enable system package for requested users 15919 if (res.origUsers != null) { 15920 for (int origUserId : res.origUsers) { 15921 if (userId == UserHandle.USER_ALL || userId == origUserId) { 15922 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 15923 origUserId, installerPackageName); 15924 } 15925 } 15926 } 15927 // Also convey the prior install/uninstall state 15928 if (allUsers != null && installedForUsers != null) { 15929 for (int currentUserId : allUsers) { 15930 final boolean installed = ArrayUtils.contains( 15931 installedForUsers, currentUserId); 15932 if (DEBUG_INSTALL) { 15933 Slog.d(TAG, " user " + currentUserId + " => " + installed); 15934 } 15935 ps.setInstalled(installed, currentUserId); 15936 } 15937 // these install state changes will be persisted in the 15938 // upcoming call to mSettings.writeLPr(). 15939 } 15940 } 15941 // It's implied that when a user requests installation, they want the app to be 15942 // installed and enabled. 15943 if (userId != UserHandle.USER_ALL) { 15944 ps.setInstalled(true, userId); 15945 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 15946 } 15947 15948 // When replacing an existing package, preserve the original install reason for all 15949 // users that had the package installed before. 15950 final Set<Integer> previousUserIds = new ArraySet<>(); 15951 if (res.removedInfo != null && res.removedInfo.installReasons != null) { 15952 final int installReasonCount = res.removedInfo.installReasons.size(); 15953 for (int i = 0; i < installReasonCount; i++) { 15954 final int previousUserId = res.removedInfo.installReasons.keyAt(i); 15955 final int previousInstallReason = res.removedInfo.installReasons.valueAt(i); 15956 ps.setInstallReason(previousInstallReason, previousUserId); 15957 previousUserIds.add(previousUserId); 15958 } 15959 } 15960 15961 // Set install reason for users that are having the package newly installed. 15962 if (userId == UserHandle.USER_ALL) { 15963 for (int currentUserId : sUserManager.getUserIds()) { 15964 if (!previousUserIds.contains(currentUserId)) { 15965 ps.setInstallReason(installReason, currentUserId); 15966 } 15967 } 15968 } else if (!previousUserIds.contains(userId)) { 15969 ps.setInstallReason(installReason, userId); 15970 } 15971 mSettings.writeKernelMappingLPr(ps); 15972 } 15973 res.name = pkgName; 15974 res.uid = pkg.applicationInfo.uid; 15975 res.pkg = pkg; 15976 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 15977 mSettings.setInstallerPackageName(pkgName, installerPackageName); 15978 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 15979 //to update install status 15980 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 15981 mSettings.writeLPr(); 15982 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15983 } 15984 15985 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15986 } 15987 15988 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 15989 try { 15990 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 15991 installPackageLI(args, res); 15992 } finally { 15993 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 15994 } 15995 } 15996 15997 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 15998 final int installFlags = args.installFlags; 15999 final String installerPackageName = args.installerPackageName; 16000 final String volumeUuid = args.volumeUuid; 16001 final File tmpPackageFile = new File(args.getCodePath()); 16002 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 16003 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 16004 || (args.volumeUuid != null)); 16005 final boolean instantApp = ((installFlags & PackageManager.INSTALL_INSTANT_APP) != 0); 16006 final boolean fullApp = ((installFlags & PackageManager.INSTALL_FULL_APP) != 0); 16007 final boolean forceSdk = ((installFlags & PackageManager.INSTALL_FORCE_SDK) != 0); 16008 final boolean virtualPreload = 16009 ((installFlags & PackageManager.INSTALL_VIRTUAL_PRELOAD) != 0); 16010 boolean replace = false; 16011 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 16012 if (args.move != null) { 16013 // moving a complete application; perform an initial scan on the new install location 16014 scanFlags |= SCAN_INITIAL; 16015 } 16016 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 16017 scanFlags |= SCAN_DONT_KILL_APP; 16018 } 16019 if (instantApp) { 16020 scanFlags |= SCAN_AS_INSTANT_APP; 16021 } 16022 if (fullApp) { 16023 scanFlags |= SCAN_AS_FULL_APP; 16024 } 16025 if (virtualPreload) { 16026 scanFlags |= SCAN_AS_VIRTUAL_PRELOAD; 16027 } 16028 16029 // Result object to be returned 16030 res.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16031 res.installerPackageName = installerPackageName; 16032 16033 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 16034 16035 // Sanity check 16036 if (instantApp && (forwardLocked || onExternal)) { 16037 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 16038 + " external=" + onExternal); 16039 res.setReturnCode(PackageManager.INSTALL_FAILED_INSTANT_APP_INVALID); 16040 return; 16041 } 16042 16043 // Retrieve PackageSettings and parse package 16044 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 16045 | PackageParser.PARSE_ENFORCE_CODE 16046 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 16047 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 16048 | (instantApp ? PackageParser.PARSE_IS_EPHEMERAL : 0) 16049 | (forceSdk ? PackageParser.PARSE_FORCE_SDK : 0); 16050 PackageParser pp = new PackageParser(); 16051 pp.setSeparateProcesses(mSeparateProcesses); 16052 pp.setDisplayMetrics(mMetrics); 16053 pp.setCallback(mPackageParserCallback); 16054 16055 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 16056 final PackageParser.Package pkg; 16057 try { 16058 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 16059 } catch (PackageParserException e) { 16060 res.setError("Failed parse during installPackageLI", e); 16061 return; 16062 } finally { 16063 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16064 } 16065 16066 // Instant apps must have target SDK >= O and have targetSanboxVersion >= 2 16067 if (instantApp && pkg.applicationInfo.targetSdkVersion <= Build.VERSION_CODES.N_MR1) { 16068 Slog.w(TAG, "Instant app package " + pkg.packageName + " does not target O"); 16069 res.setError(INSTALL_FAILED_SANDBOX_VERSION_DOWNGRADE, 16070 "Instant app package must target O"); 16071 return; 16072 } 16073 if (instantApp && pkg.applicationInfo.targetSandboxVersion != 2) { 16074 Slog.w(TAG, "Instant app package " + pkg.packageName 16075 + " does not target targetSandboxVersion 2"); 16076 res.setError(INSTALL_FAILED_SANDBOX_VERSION_DOWNGRADE, 16077 "Instant app package must use targetSanboxVersion 2"); 16078 return; 16079 } 16080 16081 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16082 // Static shared libraries have synthetic package names 16083 renameStaticSharedLibraryPackage(pkg); 16084 16085 // No static shared libs on external storage 16086 if (onExternal) { 16087 Slog.i(TAG, "Static shared libs can only be installed on internal storage."); 16088 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 16089 "Packages declaring static-shared libs cannot be updated"); 16090 return; 16091 } 16092 } 16093 16094 // If we are installing a clustered package add results for the children 16095 if (pkg.childPackages != null) { 16096 synchronized (mPackages) { 16097 final int childCount = pkg.childPackages.size(); 16098 for (int i = 0; i < childCount; i++) { 16099 PackageParser.Package childPkg = pkg.childPackages.get(i); 16100 PackageInstalledInfo childRes = new PackageInstalledInfo(); 16101 childRes.setReturnCode(PackageManager.INSTALL_SUCCEEDED); 16102 childRes.pkg = childPkg; 16103 childRes.name = childPkg.packageName; 16104 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 16105 if (childPs != null) { 16106 childRes.origUsers = childPs.queryInstalledUsers( 16107 sUserManager.getUserIds(), true); 16108 } 16109 if ((mPackages.containsKey(childPkg.packageName))) { 16110 childRes.removedInfo = new PackageRemovedInfo(this); 16111 childRes.removedInfo.removedPackage = childPkg.packageName; 16112 childRes.removedInfo.installerPackageName = childPs.installerPackageName; 16113 } 16114 if (res.addedChildPackages == null) { 16115 res.addedChildPackages = new ArrayMap<>(); 16116 } 16117 res.addedChildPackages.put(childPkg.packageName, childRes); 16118 } 16119 } 16120 } 16121 16122 // If package doesn't declare API override, mark that we have an install 16123 // time CPU ABI override. 16124 if (TextUtils.isEmpty(pkg.cpuAbiOverride)) { 16125 pkg.cpuAbiOverride = args.abiOverride; 16126 } 16127 16128 String pkgName = res.name = pkg.packageName; 16129 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 16130 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 16131 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 16132 return; 16133 } 16134 } 16135 16136 try { 16137 // either use what we've been given or parse directly from the APK 16138 if (args.certificates != null) { 16139 try { 16140 PackageParser.populateCertificates(pkg, args.certificates); 16141 } catch (PackageParserException e) { 16142 // there was something wrong with the certificates we were given; 16143 // try to pull them from the APK 16144 PackageParser.collectCertificates(pkg, parseFlags); 16145 } 16146 } else { 16147 PackageParser.collectCertificates(pkg, parseFlags); 16148 } 16149 } catch (PackageParserException e) { 16150 res.setError("Failed collect during installPackageLI", e); 16151 return; 16152 } 16153 16154 // Get rid of all references to package scan path via parser. 16155 pp = null; 16156 String oldCodePath = null; 16157 boolean systemApp = false; 16158 synchronized (mPackages) { 16159 // Check if installing already existing package 16160 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 16161 String oldName = mSettings.getRenamedPackageLPr(pkgName); 16162 if (pkg.mOriginalPackages != null 16163 && pkg.mOriginalPackages.contains(oldName) 16164 && mPackages.containsKey(oldName)) { 16165 // This package is derived from an original package, 16166 // and this device has been updating from that original 16167 // name. We must continue using the original name, so 16168 // rename the new package here. 16169 pkg.setPackageName(oldName); 16170 pkgName = pkg.packageName; 16171 replace = true; 16172 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 16173 + oldName + " pkgName=" + pkgName); 16174 } else if (mPackages.containsKey(pkgName)) { 16175 // This package, under its official name, already exists 16176 // on the device; we should replace it. 16177 replace = true; 16178 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 16179 } 16180 16181 // Child packages are installed through the parent package 16182 if (pkg.parentPackage != null) { 16183 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 16184 "Package " + pkg.packageName + " is child of package " 16185 + pkg.parentPackage.parentPackage + ". Child packages " 16186 + "can be updated only through the parent package."); 16187 return; 16188 } 16189 16190 if (replace) { 16191 // Prevent apps opting out from runtime permissions 16192 PackageParser.Package oldPackage = mPackages.get(pkgName); 16193 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 16194 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 16195 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 16196 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 16197 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 16198 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 16199 + " doesn't support runtime permissions but the old" 16200 + " target SDK " + oldTargetSdk + " does."); 16201 return; 16202 } 16203 // Prevent apps from downgrading their targetSandbox. 16204 final int oldTargetSandbox = oldPackage.applicationInfo.targetSandboxVersion; 16205 final int newTargetSandbox = pkg.applicationInfo.targetSandboxVersion; 16206 if (oldTargetSandbox == 2 && newTargetSandbox != 2) { 16207 res.setError(PackageManager.INSTALL_FAILED_SANDBOX_VERSION_DOWNGRADE, 16208 "Package " + pkg.packageName + " new target sandbox " 16209 + newTargetSandbox + " is incompatible with the previous value of" 16210 + oldTargetSandbox + "."); 16211 return; 16212 } 16213 16214 // Prevent installing of child packages 16215 if (oldPackage.parentPackage != null) { 16216 res.setError(PackageManager.INSTALL_PARSE_FAILED_BAD_PACKAGE_NAME, 16217 "Package " + pkg.packageName + " is child of package " 16218 + oldPackage.parentPackage + ". Child packages " 16219 + "can be updated only through the parent package."); 16220 return; 16221 } 16222 } 16223 } 16224 16225 PackageSetting ps = mSettings.mPackages.get(pkgName); 16226 if (ps != null) { 16227 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 16228 16229 // Static shared libs have same package with different versions where 16230 // we internally use a synthetic package name to allow multiple versions 16231 // of the same package, therefore we need to compare signatures against 16232 // the package setting for the latest library version. 16233 PackageSetting signatureCheckPs = ps; 16234 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16235 SharedLibraryEntry libraryEntry = getLatestSharedLibraVersionLPr(pkg); 16236 if (libraryEntry != null) { 16237 signatureCheckPs = mSettings.getPackageLPr(libraryEntry.apk); 16238 } 16239 } 16240 16241 // Quick sanity check that we're signed correctly if updating; 16242 // we'll check this again later when scanning, but we want to 16243 // bail early here before tripping over redefined permissions. 16244 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 16245 if (ksms.shouldCheckUpgradeKeySetLocked(signatureCheckPs, scanFlags)) { 16246 if (!ksms.checkUpgradeKeySetLocked(signatureCheckPs, pkg)) { 16247 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 16248 + pkg.packageName + " upgrade keys do not match the " 16249 + "previously installed version"); 16250 return; 16251 } 16252 } else { 16253 try { 16254 final boolean compareCompat = isCompatSignatureUpdateNeeded(pkg); 16255 final boolean compareRecover = isRecoverSignatureUpdateNeeded(pkg); 16256 final boolean compatMatch = verifySignatures( 16257 signatureCheckPs, pkg.mSignatures, compareCompat, compareRecover); 16258 // The new KeySets will be re-added later in the scanning process. 16259 if (compatMatch) { 16260 synchronized (mPackages) { 16261 ksms.removeAppKeySetDataLPw(pkg.packageName); 16262 } 16263 } 16264 } catch (PackageManagerException e) { 16265 res.setError(e.error, e.getMessage()); 16266 return; 16267 } 16268 } 16269 16270 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 16271 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 16272 systemApp = (ps.pkg.applicationInfo.flags & 16273 ApplicationInfo.FLAG_SYSTEM) != 0; 16274 } 16275 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 16276 } 16277 16278 int N = pkg.permissions.size(); 16279 for (int i = N-1; i >= 0; i--) { 16280 final PackageParser.Permission perm = pkg.permissions.get(i); 16281 final BasePermission bp = 16282 (BasePermission) mPermissionManager.getPermissionTEMP(perm.info.name); 16283 16284 // Don't allow anyone but the system to define ephemeral permissions. 16285 if ((perm.info.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTANT) != 0 16286 && !systemApp) { 16287 Slog.w(TAG, "Non-System package " + pkg.packageName 16288 + " attempting to delcare ephemeral permission " 16289 + perm.info.name + "; Removing ephemeral."); 16290 perm.info.protectionLevel &= ~PermissionInfo.PROTECTION_FLAG_INSTANT; 16291 } 16292 16293 // Check whether the newly-scanned package wants to define an already-defined perm 16294 if (bp != null) { 16295 // If the defining package is signed with our cert, it's okay. This 16296 // also includes the "updating the same package" case, of course. 16297 // "updating same package" could also involve key-rotation. 16298 final boolean sigsOk; 16299 final String sourcePackageName = bp.getSourcePackageName(); 16300 final PackageSettingBase sourcePackageSetting = bp.getSourcePackageSetting(); 16301 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 16302 if (sourcePackageName.equals(pkg.packageName) 16303 && (ksms.shouldCheckUpgradeKeySetLocked( 16304 sourcePackageSetting, scanFlags))) { 16305 sigsOk = ksms.checkUpgradeKeySetLocked(sourcePackageSetting, pkg); 16306 } else { 16307 sigsOk = compareSignatures(sourcePackageSetting.signatures.mSignatures, 16308 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 16309 } 16310 if (!sigsOk) { 16311 // If the owning package is the system itself, we log but allow 16312 // install to proceed; we fail the install on all other permission 16313 // redefinitions. 16314 if (!sourcePackageName.equals("android")) { 16315 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 16316 + pkg.packageName + " attempting to redeclare permission " 16317 + perm.info.name + " already owned by " + sourcePackageName); 16318 res.origPermission = perm.info.name; 16319 res.origPackage = sourcePackageName; 16320 return; 16321 } else { 16322 Slog.w(TAG, "Package " + pkg.packageName 16323 + " attempting to redeclare system permission " 16324 + perm.info.name + "; ignoring new declaration"); 16325 pkg.permissions.remove(i); 16326 } 16327 } else if (!PLATFORM_PACKAGE_NAME.equals(pkg.packageName)) { 16328 // Prevent apps to change protection level to dangerous from any other 16329 // type as this would allow a privilege escalation where an app adds a 16330 // normal/signature permission in other app's group and later redefines 16331 // it as dangerous leading to the group auto-grant. 16332 if ((perm.info.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE) 16333 == PermissionInfo.PROTECTION_DANGEROUS) { 16334 if (bp != null && !bp.isRuntime()) { 16335 Slog.w(TAG, "Package " + pkg.packageName + " trying to change a " 16336 + "non-runtime permission " + perm.info.name 16337 + " to runtime; keeping old protection level"); 16338 perm.info.protectionLevel = bp.getProtectionLevel(); 16339 } 16340 } 16341 } 16342 } 16343 } 16344 } 16345 16346 if (systemApp) { 16347 if (onExternal) { 16348 // Abort update; system app can't be replaced with app on sdcard 16349 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 16350 "Cannot install updates to system apps on sdcard"); 16351 return; 16352 } else if (instantApp) { 16353 // Abort update; system app can't be replaced with an instant app 16354 res.setError(INSTALL_FAILED_INSTANT_APP_INVALID, 16355 "Cannot update a system app with an instant app"); 16356 return; 16357 } 16358 } 16359 16360 if (args.move != null) { 16361 // We did an in-place move, so dex is ready to roll 16362 scanFlags |= SCAN_NO_DEX; 16363 scanFlags |= SCAN_MOVE; 16364 16365 synchronized (mPackages) { 16366 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16367 if (ps == null) { 16368 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 16369 "Missing settings for moved package " + pkgName); 16370 } 16371 16372 // We moved the entire application as-is, so bring over the 16373 // previously derived ABI information. 16374 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 16375 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 16376 } 16377 16378 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 16379 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 16380 scanFlags |= SCAN_NO_DEX; 16381 16382 try { 16383 String abiOverride = (TextUtils.isEmpty(pkg.cpuAbiOverride) ? 16384 args.abiOverride : pkg.cpuAbiOverride); 16385 final boolean extractNativeLibs = !pkg.isLibrary(); 16386 derivePackageAbi(pkg, new File(pkg.codePath), abiOverride, 16387 extractNativeLibs, mAppLib32InstallDir); 16388 } catch (PackageManagerException pme) { 16389 Slog.e(TAG, "Error deriving application ABI", pme); 16390 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 16391 return; 16392 } 16393 16394 // Shared libraries for the package need to be updated. 16395 synchronized (mPackages) { 16396 try { 16397 updateSharedLibrariesLPr(pkg, null); 16398 } catch (PackageManagerException e) { 16399 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 16400 } 16401 } 16402 } 16403 16404 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 16405 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 16406 return; 16407 } 16408 16409 // Verify if we need to dexopt the app. 16410 // 16411 // NOTE: it is *important* to call dexopt after doRename which will sync the 16412 // package data from PackageParser.Package and its corresponding ApplicationInfo. 16413 // 16414 // We only need to dexopt if the package meets ALL of the following conditions: 16415 // 1) it is not forward locked. 16416 // 2) it is not on on an external ASEC container. 16417 // 3) it is not an instant app or if it is then dexopt is enabled via gservices. 16418 // 16419 // Note that we do not dexopt instant apps by default. dexopt can take some time to 16420 // complete, so we skip this step during installation. Instead, we'll take extra time 16421 // the first time the instant app starts. It's preferred to do it this way to provide 16422 // continuous progress to the useur instead of mysteriously blocking somewhere in the 16423 // middle of running an instant app. The default behaviour can be overridden 16424 // via gservices. 16425 final boolean performDexopt = !forwardLocked 16426 && !pkg.applicationInfo.isExternalAsec() 16427 && (!instantApp || Global.getInt(mContext.getContentResolver(), 16428 Global.INSTANT_APP_DEXOPT_ENABLED, 0) != 0); 16429 16430 if (performDexopt) { 16431 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 16432 // Do not run PackageDexOptimizer through the local performDexOpt 16433 // method because `pkg` may not be in `mPackages` yet. 16434 // 16435 // Also, don't fail application installs if the dexopt step fails. 16436 DexoptOptions dexoptOptions = new DexoptOptions(pkg.packageName, 16437 REASON_INSTALL, 16438 DexoptOptions.DEXOPT_BOOT_COMPLETE); 16439 mPackageDexOptimizer.performDexOpt(pkg, pkg.usesLibraryFiles, 16440 null /* instructionSets */, 16441 getOrCreateCompilerPackageStats(pkg), 16442 mDexManager.getPackageUseInfoOrDefault(pkg.packageName), 16443 dexoptOptions); 16444 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 16445 } 16446 16447 // Notify BackgroundDexOptService that the package has been changed. 16448 // If this is an update of a package which used to fail to compile, 16449 // BackgroundDexOptService will remove it from its blacklist. 16450 // TODO: Layering violation 16451 BackgroundDexOptService.notifyPackageChanged(pkg.packageName); 16452 16453 if (!instantApp) { 16454 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 16455 } else { 16456 if (DEBUG_DOMAIN_VERIFICATION) { 16457 Slog.d(TAG, "Not verifying instant app install for app links: " + pkgName); 16458 } 16459 } 16460 16461 try (PackageFreezer freezer = freezePackageForInstall(pkgName, installFlags, 16462 "installPackageLI")) { 16463 if (replace) { 16464 if (pkg.applicationInfo.isStaticSharedLibrary()) { 16465 // Static libs have a synthetic package name containing the version 16466 // and cannot be updated as an update would get a new package name, 16467 // unless this is the exact same version code which is useful for 16468 // development. 16469 PackageParser.Package existingPkg = mPackages.get(pkg.packageName); 16470 if (existingPkg != null && existingPkg.mVersionCode != pkg.mVersionCode) { 16471 res.setError(INSTALL_FAILED_DUPLICATE_PACKAGE, "Packages declaring " 16472 + "static-shared libs cannot be updated"); 16473 return; 16474 } 16475 } 16476 replacePackageLIF(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 16477 installerPackageName, res, args.installReason); 16478 } else { 16479 installNewPackageLIF(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 16480 args.user, installerPackageName, volumeUuid, res, args.installReason); 16481 } 16482 } 16483 16484 synchronized (mPackages) { 16485 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16486 if (ps != null) { 16487 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 16488 ps.setUpdateAvailable(false /*updateAvailable*/); 16489 } 16490 16491 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16492 for (int i = 0; i < childCount; i++) { 16493 PackageParser.Package childPkg = pkg.childPackages.get(i); 16494 PackageInstalledInfo childRes = res.addedChildPackages.get(childPkg.packageName); 16495 PackageSetting childPs = mSettings.getPackageLPr(childPkg.packageName); 16496 if (childPs != null) { 16497 childRes.newUsers = childPs.queryInstalledUsers( 16498 sUserManager.getUserIds(), true); 16499 } 16500 } 16501 16502 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 16503 updateSequenceNumberLP(ps, res.newUsers); 16504 updateInstantAppInstallerLocked(pkgName); 16505 } 16506 } 16507 } 16508 16509 private void startIntentFilterVerifications(int userId, boolean replacing, 16510 PackageParser.Package pkg) { 16511 if (mIntentFilterVerifierComponent == null) { 16512 Slog.w(TAG, "No IntentFilter verification will not be done as " 16513 + "there is no IntentFilterVerifier available!"); 16514 return; 16515 } 16516 16517 final int verifierUid = getPackageUid( 16518 mIntentFilterVerifierComponent.getPackageName(), 16519 MATCH_DEBUG_TRIAGED_MISSING, 16520 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 16521 16522 Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 16523 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 16524 mHandler.sendMessage(msg); 16525 16526 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 16527 for (int i = 0; i < childCount; i++) { 16528 PackageParser.Package childPkg = pkg.childPackages.get(i); 16529 msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 16530 msg.obj = new IFVerificationParams(childPkg, replacing, userId, verifierUid); 16531 mHandler.sendMessage(msg); 16532 } 16533 } 16534 16535 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 16536 PackageParser.Package pkg) { 16537 int size = pkg.activities.size(); 16538 if (size == 0) { 16539 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 16540 "No activity, so no need to verify any IntentFilter!"); 16541 return; 16542 } 16543 16544 final boolean hasDomainURLs = hasDomainURLs(pkg); 16545 if (!hasDomainURLs) { 16546 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 16547 "No domain URLs, so no need to verify any IntentFilter!"); 16548 return; 16549 } 16550 16551 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 16552 + " if any IntentFilter from the " + size 16553 + " Activities needs verification ..."); 16554 16555 int count = 0; 16556 final String packageName = pkg.packageName; 16557 16558 synchronized (mPackages) { 16559 // If this is a new install and we see that we've already run verification for this 16560 // package, we have nothing to do: it means the state was restored from backup. 16561 if (!replacing) { 16562 IntentFilterVerificationInfo ivi = 16563 mSettings.getIntentFilterVerificationLPr(packageName); 16564 if (ivi != null) { 16565 if (DEBUG_DOMAIN_VERIFICATION) { 16566 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 16567 + ivi.getStatusString()); 16568 } 16569 return; 16570 } 16571 } 16572 16573 // If any filters need to be verified, then all need to be. 16574 boolean needToVerify = false; 16575 for (PackageParser.Activity a : pkg.activities) { 16576 for (ActivityIntentInfo filter : a.intents) { 16577 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 16578 if (DEBUG_DOMAIN_VERIFICATION) { 16579 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 16580 } 16581 needToVerify = true; 16582 break; 16583 } 16584 } 16585 } 16586 16587 if (needToVerify) { 16588 final int verificationId = mIntentFilterVerificationToken++; 16589 for (PackageParser.Activity a : pkg.activities) { 16590 for (ActivityIntentInfo filter : a.intents) { 16591 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 16592 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 16593 "Verification needed for IntentFilter:" + filter.toString()); 16594 mIntentFilterVerifier.addOneIntentFilterVerification( 16595 verifierUid, userId, verificationId, filter, packageName); 16596 count++; 16597 } 16598 } 16599 } 16600 } 16601 } 16602 16603 if (count > 0) { 16604 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 16605 + " IntentFilter verification" + (count > 1 ? "s" : "") 16606 + " for userId:" + userId); 16607 mIntentFilterVerifier.startVerifications(userId); 16608 } else { 16609 if (DEBUG_DOMAIN_VERIFICATION) { 16610 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 16611 } 16612 } 16613 } 16614 16615 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 16616 final ComponentName cn = filter.activity.getComponentName(); 16617 final String packageName = cn.getPackageName(); 16618 16619 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 16620 packageName); 16621 if (ivi == null) { 16622 return true; 16623 } 16624 int status = ivi.getStatus(); 16625 switch (status) { 16626 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 16627 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 16628 return true; 16629 16630 default: 16631 // Nothing to do 16632 return false; 16633 } 16634 } 16635 16636 private static boolean isMultiArch(ApplicationInfo info) { 16637 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 16638 } 16639 16640 private static boolean isExternal(PackageParser.Package pkg) { 16641 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 16642 } 16643 16644 private static boolean isExternal(PackageSetting ps) { 16645 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 16646 } 16647 16648 private static boolean isSystemApp(PackageParser.Package pkg) { 16649 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 16650 } 16651 16652 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 16653 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 16654 } 16655 16656 private static boolean isOemApp(PackageParser.Package pkg) { 16657 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_OEM) != 0; 16658 } 16659 16660 private static boolean hasDomainURLs(PackageParser.Package pkg) { 16661 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 16662 } 16663 16664 private static boolean isSystemApp(PackageSetting ps) { 16665 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 16666 } 16667 16668 private static boolean isUpdatedSystemApp(PackageSetting ps) { 16669 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 16670 } 16671 16672 private int packageFlagsToInstallFlags(PackageSetting ps) { 16673 int installFlags = 0; 16674 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 16675 // This existing package was an external ASEC install when we have 16676 // the external flag without a UUID 16677 installFlags |= PackageManager.INSTALL_EXTERNAL; 16678 } 16679 if (ps.isForwardLocked()) { 16680 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 16681 } 16682 return installFlags; 16683 } 16684 16685 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 16686 if (isExternal(pkg)) { 16687 if (TextUtils.isEmpty(pkg.volumeUuid)) { 16688 return mSettings.getExternalVersion(); 16689 } else { 16690 return mSettings.findOrCreateVersion(pkg.volumeUuid); 16691 } 16692 } else { 16693 return mSettings.getInternalVersion(); 16694 } 16695 } 16696 16697 private void deleteTempPackageFiles() { 16698 final FilenameFilter filter = new FilenameFilter() { 16699 public boolean accept(File dir, String name) { 16700 return name.startsWith("vmdl") && name.endsWith(".tmp"); 16701 } 16702 }; 16703 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 16704 file.delete(); 16705 } 16706 } 16707 16708 @Override 16709 public void deletePackageAsUser(String packageName, int versionCode, 16710 IPackageDeleteObserver observer, int userId, int flags) { 16711 deletePackageVersioned(new VersionedPackage(packageName, versionCode), 16712 new LegacyPackageDeleteObserver(observer).getBinder(), userId, flags); 16713 } 16714 16715 @Override 16716 public void deletePackageVersioned(VersionedPackage versionedPackage, 16717 final IPackageDeleteObserver2 observer, final int userId, final int deleteFlags) { 16718 final int callingUid = Binder.getCallingUid(); 16719 mContext.enforceCallingOrSelfPermission( 16720 android.Manifest.permission.DELETE_PACKAGES, null); 16721 final boolean canViewInstantApps = canViewInstantApps(callingUid, userId); 16722 Preconditions.checkNotNull(versionedPackage); 16723 Preconditions.checkNotNull(observer); 16724 Preconditions.checkArgumentInRange(versionedPackage.getVersionCode(), 16725 PackageManager.VERSION_CODE_HIGHEST, 16726 Integer.MAX_VALUE, "versionCode must be >= -1"); 16727 16728 final String packageName = versionedPackage.getPackageName(); 16729 final int versionCode = versionedPackage.getVersionCode(); 16730 final String internalPackageName; 16731 synchronized (mPackages) { 16732 // Normalize package name to handle renamed packages and static libs 16733 internalPackageName = resolveInternalPackageNameLPr(versionedPackage.getPackageName(), 16734 versionedPackage.getVersionCode()); 16735 } 16736 16737 final int uid = Binder.getCallingUid(); 16738 if (!isOrphaned(internalPackageName) 16739 && !isCallerAllowedToSilentlyUninstall(uid, internalPackageName)) { 16740 try { 16741 final Intent intent = new Intent(Intent.ACTION_UNINSTALL_PACKAGE); 16742 intent.setData(Uri.fromParts(PACKAGE_SCHEME, packageName, null)); 16743 intent.putExtra(PackageInstaller.EXTRA_CALLBACK, observer.asBinder()); 16744 observer.onUserActionRequired(intent); 16745 } catch (RemoteException re) { 16746 } 16747 return; 16748 } 16749 final boolean deleteAllUsers = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0; 16750 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 16751 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 16752 mContext.enforceCallingOrSelfPermission( 16753 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 16754 "deletePackage for user " + userId); 16755 } 16756 16757 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 16758 try { 16759 observer.onPackageDeleted(packageName, 16760 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 16761 } catch (RemoteException re) { 16762 } 16763 return; 16764 } 16765 16766 if (!deleteAllUsers && getBlockUninstallForUser(internalPackageName, userId)) { 16767 try { 16768 observer.onPackageDeleted(packageName, 16769 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 16770 } catch (RemoteException re) { 16771 } 16772 return; 16773 } 16774 16775 if (DEBUG_REMOVE) { 16776 Slog.d(TAG, "deletePackageAsUser: pkg=" + internalPackageName + " user=" + userId 16777 + " deleteAllUsers: " + deleteAllUsers + " version=" 16778 + (versionCode == PackageManager.VERSION_CODE_HIGHEST 16779 ? "VERSION_CODE_HIGHEST" : versionCode)); 16780 } 16781 // Queue up an async operation since the package deletion may take a little while. 16782 mHandler.post(new Runnable() { 16783 public void run() { 16784 mHandler.removeCallbacks(this); 16785 int returnCode; 16786 final PackageSetting ps = mSettings.mPackages.get(internalPackageName); 16787 boolean doDeletePackage = true; 16788 if (ps != null) { 16789 final boolean targetIsInstantApp = 16790 ps.getInstantApp(UserHandle.getUserId(callingUid)); 16791 doDeletePackage = !targetIsInstantApp 16792 || canViewInstantApps; 16793 } 16794 if (doDeletePackage) { 16795 if (!deleteAllUsers) { 16796 returnCode = deletePackageX(internalPackageName, versionCode, 16797 userId, deleteFlags); 16798 } else { 16799 int[] blockUninstallUserIds = getBlockUninstallForUsers( 16800 internalPackageName, users); 16801 // If nobody is blocking uninstall, proceed with delete for all users 16802 if (ArrayUtils.isEmpty(blockUninstallUserIds)) { 16803 returnCode = deletePackageX(internalPackageName, versionCode, 16804 userId, deleteFlags); 16805 } else { 16806 // Otherwise uninstall individually for users with blockUninstalls=false 16807 final int userFlags = deleteFlags & ~PackageManager.DELETE_ALL_USERS; 16808 for (int userId : users) { 16809 if (!ArrayUtils.contains(blockUninstallUserIds, userId)) { 16810 returnCode = deletePackageX(internalPackageName, versionCode, 16811 userId, userFlags); 16812 if (returnCode != PackageManager.DELETE_SUCCEEDED) { 16813 Slog.w(TAG, "Package delete failed for user " + userId 16814 + ", returnCode " + returnCode); 16815 } 16816 } 16817 } 16818 // The app has only been marked uninstalled for certain users. 16819 // We still need to report that delete was blocked 16820 returnCode = PackageManager.DELETE_FAILED_OWNER_BLOCKED; 16821 } 16822 } 16823 } else { 16824 returnCode = PackageManager.DELETE_FAILED_INTERNAL_ERROR; 16825 } 16826 try { 16827 observer.onPackageDeleted(packageName, returnCode, null); 16828 } catch (RemoteException e) { 16829 Log.i(TAG, "Observer no longer exists."); 16830 } //end catch 16831 } //end run 16832 }); 16833 } 16834 16835 private String resolveExternalPackageNameLPr(PackageParser.Package pkg) { 16836 if (pkg.staticSharedLibName != null) { 16837 return pkg.manifestPackageName; 16838 } 16839 return pkg.packageName; 16840 } 16841 16842 private String resolveInternalPackageNameLPr(String packageName, int versionCode) { 16843 // Handle renamed packages 16844 String normalizedPackageName = mSettings.getRenamedPackageLPr(packageName); 16845 packageName = normalizedPackageName != null ? normalizedPackageName : packageName; 16846 16847 // Is this a static library? 16848 SparseArray<SharedLibraryEntry> versionedLib = 16849 mStaticLibsByDeclaringPackage.get(packageName); 16850 if (versionedLib == null || versionedLib.size() <= 0) { 16851 return packageName; 16852 } 16853 16854 // Figure out which lib versions the caller can see 16855 SparseIntArray versionsCallerCanSee = null; 16856 final int callingAppId = UserHandle.getAppId(Binder.getCallingUid()); 16857 if (callingAppId != Process.SYSTEM_UID && callingAppId != Process.SHELL_UID 16858 && callingAppId != Process.ROOT_UID) { 16859 versionsCallerCanSee = new SparseIntArray(); 16860 String libName = versionedLib.valueAt(0).info.getName(); 16861 String[] uidPackages = getPackagesForUid(Binder.getCallingUid()); 16862 if (uidPackages != null) { 16863 for (String uidPackage : uidPackages) { 16864 PackageSetting ps = mSettings.getPackageLPr(uidPackage); 16865 final int libIdx = ArrayUtils.indexOf(ps.usesStaticLibraries, libName); 16866 if (libIdx >= 0) { 16867 final int libVersion = ps.usesStaticLibrariesVersions[libIdx]; 16868 versionsCallerCanSee.append(libVersion, libVersion); 16869 } 16870 } 16871 } 16872 } 16873 16874 // Caller can see nothing - done 16875 if (versionsCallerCanSee != null && versionsCallerCanSee.size() <= 0) { 16876 return packageName; 16877 } 16878 16879 // Find the version the caller can see and the app version code 16880 SharedLibraryEntry highestVersion = null; 16881 final int versionCount = versionedLib.size(); 16882 for (int i = 0; i < versionCount; i++) { 16883 SharedLibraryEntry libEntry = versionedLib.valueAt(i); 16884 if (versionsCallerCanSee != null && versionsCallerCanSee.indexOfKey( 16885 libEntry.info.getVersion()) < 0) { 16886 continue; 16887 } 16888 final int libVersionCode = libEntry.info.getDeclaringPackage().getVersionCode(); 16889 if (versionCode != PackageManager.VERSION_CODE_HIGHEST) { 16890 if (libVersionCode == versionCode) { 16891 return libEntry.apk; 16892 } 16893 } else if (highestVersion == null) { 16894 highestVersion = libEntry; 16895 } else if (libVersionCode > highestVersion.info 16896 .getDeclaringPackage().getVersionCode()) { 16897 highestVersion = libEntry; 16898 } 16899 } 16900 16901 if (highestVersion != null) { 16902 return highestVersion.apk; 16903 } 16904 16905 return packageName; 16906 } 16907 16908 boolean isCallerVerifier(int callingUid) { 16909 final int callingUserId = UserHandle.getUserId(callingUid); 16910 return mRequiredVerifierPackage != null && 16911 callingUid == getPackageUid(mRequiredVerifierPackage, 0, callingUserId); 16912 } 16913 16914 private boolean isCallerAllowedToSilentlyUninstall(int callingUid, String pkgName) { 16915 if (callingUid == Process.SHELL_UID || callingUid == Process.ROOT_UID 16916 || UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 16917 return true; 16918 } 16919 final int callingUserId = UserHandle.getUserId(callingUid); 16920 // If the caller installed the pkgName, then allow it to silently uninstall. 16921 if (callingUid == getPackageUid(getInstallerPackageName(pkgName), 0, callingUserId)) { 16922 return true; 16923 } 16924 16925 // Allow package verifier to silently uninstall. 16926 if (mRequiredVerifierPackage != null && 16927 callingUid == getPackageUid(mRequiredVerifierPackage, 0, callingUserId)) { 16928 return true; 16929 } 16930 16931 // Allow package uninstaller to silently uninstall. 16932 if (mRequiredUninstallerPackage != null && 16933 callingUid == getPackageUid(mRequiredUninstallerPackage, 0, callingUserId)) { 16934 return true; 16935 } 16936 16937 // Allow storage manager to silently uninstall. 16938 if (mStorageManagerPackage != null && 16939 callingUid == getPackageUid(mStorageManagerPackage, 0, callingUserId)) { 16940 return true; 16941 } 16942 16943 // Allow caller having MANAGE_PROFILE_AND_DEVICE_OWNERS permission to silently 16944 // uninstall for device owner provisioning. 16945 if (checkUidPermission(MANAGE_PROFILE_AND_DEVICE_OWNERS, callingUid) 16946 == PERMISSION_GRANTED) { 16947 return true; 16948 } 16949 16950 return false; 16951 } 16952 16953 private int[] getBlockUninstallForUsers(String packageName, int[] userIds) { 16954 int[] result = EMPTY_INT_ARRAY; 16955 for (int userId : userIds) { 16956 if (getBlockUninstallForUser(packageName, userId)) { 16957 result = ArrayUtils.appendInt(result, userId); 16958 } 16959 } 16960 return result; 16961 } 16962 16963 @Override 16964 public boolean isPackageDeviceAdminOnAnyUser(String packageName) { 16965 final int callingUid = Binder.getCallingUid(); 16966 if (getInstantAppPackageName(callingUid) != null 16967 && !isCallerSameApp(packageName, callingUid)) { 16968 return false; 16969 } 16970 return isPackageDeviceAdmin(packageName, UserHandle.USER_ALL); 16971 } 16972 16973 private boolean isPackageDeviceAdmin(String packageName, int userId) { 16974 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 16975 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 16976 try { 16977 if (dpm != null) { 16978 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 16979 /* callingUserOnly =*/ false); 16980 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 16981 : deviceOwnerComponentName.getPackageName(); 16982 // Does the package contains the device owner? 16983 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 16984 // this check is probably not needed, since DO should be registered as a device 16985 // admin on some user too. (Original bug for this: b/17657954) 16986 if (packageName.equals(deviceOwnerPackageName)) { 16987 return true; 16988 } 16989 // Does it contain a device admin for any user? 16990 int[] users; 16991 if (userId == UserHandle.USER_ALL) { 16992 users = sUserManager.getUserIds(); 16993 } else { 16994 users = new int[]{userId}; 16995 } 16996 for (int i = 0; i < users.length; ++i) { 16997 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 16998 return true; 16999 } 17000 } 17001 } 17002 } catch (RemoteException e) { 17003 } 17004 return false; 17005 } 17006 17007 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 17008 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 17009 } 17010 17011 /** 17012 * This method is an internal method that could be get invoked either 17013 * to delete an installed package or to clean up a failed installation. 17014 * After deleting an installed package, a broadcast is sent to notify any 17015 * listeners that the package has been removed. For cleaning up a failed 17016 * installation, the broadcast is not necessary since the package's 17017 * installation wouldn't have sent the initial broadcast either 17018 * The key steps in deleting a package are 17019 * deleting the package information in internal structures like mPackages, 17020 * deleting the packages base directories through installd 17021 * updating mSettings to reflect current status 17022 * persisting settings for later use 17023 * sending a broadcast if necessary 17024 */ 17025 int deletePackageX(String packageName, int versionCode, int userId, int deleteFlags) { 17026 final PackageRemovedInfo info = new PackageRemovedInfo(this); 17027 final boolean res; 17028 17029 final int removeUser = (deleteFlags & PackageManager.DELETE_ALL_USERS) != 0 17030 ? UserHandle.USER_ALL : userId; 17031 17032 if (isPackageDeviceAdmin(packageName, removeUser)) { 17033 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 17034 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 17035 } 17036 17037 PackageSetting uninstalledPs = null; 17038 PackageParser.Package pkg = null; 17039 17040 // for the uninstall-updates case and restricted profiles, remember the per- 17041 // user handle installed state 17042 int[] allUsers; 17043 synchronized (mPackages) { 17044 uninstalledPs = mSettings.mPackages.get(packageName); 17045 if (uninstalledPs == null) { 17046 Slog.w(TAG, "Not removing non-existent package " + packageName); 17047 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17048 } 17049 17050 if (versionCode != PackageManager.VERSION_CODE_HIGHEST 17051 && uninstalledPs.versionCode != versionCode) { 17052 Slog.w(TAG, "Not removing package " + packageName + " with versionCode " 17053 + uninstalledPs.versionCode + " != " + versionCode); 17054 return PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17055 } 17056 17057 // Static shared libs can be declared by any package, so let us not 17058 // allow removing a package if it provides a lib others depend on. 17059 pkg = mPackages.get(packageName); 17060 17061 allUsers = sUserManager.getUserIds(); 17062 17063 if (pkg != null && pkg.staticSharedLibName != null) { 17064 SharedLibraryEntry libEntry = getSharedLibraryEntryLPr(pkg.staticSharedLibName, 17065 pkg.staticSharedLibVersion); 17066 if (libEntry != null) { 17067 for (int currUserId : allUsers) { 17068 if (removeUser != UserHandle.USER_ALL && removeUser != currUserId) { 17069 continue; 17070 } 17071 List<VersionedPackage> libClientPackages = getPackagesUsingSharedLibraryLPr( 17072 libEntry.info, 0, currUserId); 17073 if (!ArrayUtils.isEmpty(libClientPackages)) { 17074 Slog.w(TAG, "Not removing package " + pkg.manifestPackageName 17075 + " hosting lib " + libEntry.info.getName() + " version " 17076 + libEntry.info.getVersion() + " used by " + libClientPackages 17077 + " for user " + currUserId); 17078 return PackageManager.DELETE_FAILED_USED_SHARED_LIBRARY; 17079 } 17080 } 17081 } 17082 } 17083 17084 info.origUsers = uninstalledPs.queryInstalledUsers(allUsers, true); 17085 } 17086 17087 final int freezeUser; 17088 if (isUpdatedSystemApp(uninstalledPs) 17089 && ((deleteFlags & PackageManager.DELETE_SYSTEM_APP) == 0)) { 17090 // We're downgrading a system app, which will apply to all users, so 17091 // freeze them all during the downgrade 17092 freezeUser = UserHandle.USER_ALL; 17093 } else { 17094 freezeUser = removeUser; 17095 } 17096 17097 synchronized (mInstallLock) { 17098 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 17099 try (PackageFreezer freezer = freezePackageForDelete(packageName, freezeUser, 17100 deleteFlags, "deletePackageX")) { 17101 res = deletePackageLIF(packageName, UserHandle.of(removeUser), true, allUsers, 17102 deleteFlags | FLAGS_REMOVE_CHATTY, info, true, null); 17103 } 17104 synchronized (mPackages) { 17105 if (res) { 17106 if (pkg != null) { 17107 mInstantAppRegistry.onPackageUninstalledLPw(pkg, info.removedUsers); 17108 } 17109 updateSequenceNumberLP(uninstalledPs, info.removedUsers); 17110 updateInstantAppInstallerLocked(packageName); 17111 } 17112 } 17113 } 17114 17115 if (res) { 17116 final boolean killApp = (deleteFlags & PackageManager.DELETE_DONT_KILL_APP) == 0; 17117 info.sendPackageRemovedBroadcasts(killApp); 17118 info.sendSystemPackageUpdatedBroadcasts(); 17119 info.sendSystemPackageAppearedBroadcasts(); 17120 } 17121 // Force a gc here. 17122 Runtime.getRuntime().gc(); 17123 // Delete the resources here after sending the broadcast to let 17124 // other processes clean up before deleting resources. 17125 if (info.args != null) { 17126 synchronized (mInstallLock) { 17127 info.args.doPostDeleteLI(true); 17128 } 17129 } 17130 17131 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 17132 } 17133 17134 static class PackageRemovedInfo { 17135 final PackageSender packageSender; 17136 String removedPackage; 17137 String installerPackageName; 17138 int uid = -1; 17139 int removedAppId = -1; 17140 int[] origUsers; 17141 int[] removedUsers = null; 17142 int[] broadcastUsers = null; 17143 SparseArray<Integer> installReasons; 17144 boolean isRemovedPackageSystemUpdate = false; 17145 boolean isUpdate; 17146 boolean dataRemoved; 17147 boolean removedForAllUsers; 17148 boolean isStaticSharedLib; 17149 // Clean up resources deleted packages. 17150 InstallArgs args = null; 17151 ArrayMap<String, PackageRemovedInfo> removedChildPackages; 17152 ArrayMap<String, PackageInstalledInfo> appearedChildPackages; 17153 17154 PackageRemovedInfo(PackageSender packageSender) { 17155 this.packageSender = packageSender; 17156 } 17157 17158 void sendPackageRemovedBroadcasts(boolean killApp) { 17159 sendPackageRemovedBroadcastInternal(killApp); 17160 final int childCount = removedChildPackages != null ? removedChildPackages.size() : 0; 17161 for (int i = 0; i < childCount; i++) { 17162 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 17163 childInfo.sendPackageRemovedBroadcastInternal(killApp); 17164 } 17165 } 17166 17167 void sendSystemPackageUpdatedBroadcasts() { 17168 if (isRemovedPackageSystemUpdate) { 17169 sendSystemPackageUpdatedBroadcastsInternal(); 17170 final int childCount = (removedChildPackages != null) 17171 ? removedChildPackages.size() : 0; 17172 for (int i = 0; i < childCount; i++) { 17173 PackageRemovedInfo childInfo = removedChildPackages.valueAt(i); 17174 if (childInfo.isRemovedPackageSystemUpdate) { 17175 childInfo.sendSystemPackageUpdatedBroadcastsInternal(); 17176 } 17177 } 17178 } 17179 } 17180 17181 void sendSystemPackageAppearedBroadcasts() { 17182 final int packageCount = (appearedChildPackages != null) 17183 ? appearedChildPackages.size() : 0; 17184 for (int i = 0; i < packageCount; i++) { 17185 PackageInstalledInfo installedInfo = appearedChildPackages.valueAt(i); 17186 packageSender.sendPackageAddedForNewUsers(installedInfo.name, 17187 true /*sendBootCompleted*/, false /*startReceiver*/, 17188 UserHandle.getAppId(installedInfo.uid), installedInfo.newUsers); 17189 } 17190 } 17191 17192 private void sendSystemPackageUpdatedBroadcastsInternal() { 17193 Bundle extras = new Bundle(2); 17194 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 17195 extras.putBoolean(Intent.EXTRA_REPLACING, true); 17196 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 17197 removedPackage, extras, 0, null /*targetPackage*/, null, null); 17198 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 17199 removedPackage, extras, 0, null /*targetPackage*/, null, null); 17200 packageSender.sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 17201 null, null, 0, removedPackage, null, null); 17202 if (installerPackageName != null) { 17203 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 17204 removedPackage, extras, 0 /*flags*/, 17205 installerPackageName, null, null); 17206 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 17207 removedPackage, extras, 0 /*flags*/, 17208 installerPackageName, null, null); 17209 } 17210 } 17211 17212 private void sendPackageRemovedBroadcastInternal(boolean killApp) { 17213 // Don't send static shared library removal broadcasts as these 17214 // libs are visible only the the apps that depend on them an one 17215 // cannot remove the library if it has a dependency. 17216 if (isStaticSharedLib) { 17217 return; 17218 } 17219 Bundle extras = new Bundle(2); 17220 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 17221 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, dataRemoved); 17222 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, !killApp); 17223 if (isUpdate || isRemovedPackageSystemUpdate) { 17224 extras.putBoolean(Intent.EXTRA_REPLACING, true); 17225 } 17226 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 17227 if (removedPackage != null) { 17228 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, 17229 removedPackage, extras, 0, null /*targetPackage*/, null, broadcastUsers); 17230 if (installerPackageName != null) { 17231 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, 17232 removedPackage, extras, 0 /*flags*/, 17233 installerPackageName, null, broadcastUsers); 17234 } 17235 if (dataRemoved && !isRemovedPackageSystemUpdate) { 17236 packageSender.sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, 17237 removedPackage, extras, 17238 Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND, 17239 null, null, broadcastUsers); 17240 } 17241 } 17242 if (removedAppId >= 0) { 17243 packageSender.sendPackageBroadcast(Intent.ACTION_UID_REMOVED, 17244 null, extras, Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND, 17245 null, null, broadcastUsers); 17246 } 17247 } 17248 17249 void populateUsers(int[] userIds, PackageSetting deletedPackageSetting) { 17250 removedUsers = userIds; 17251 if (removedUsers == null) { 17252 broadcastUsers = null; 17253 return; 17254 } 17255 17256 broadcastUsers = EMPTY_INT_ARRAY; 17257 for (int i = userIds.length - 1; i >= 0; --i) { 17258 final int userId = userIds[i]; 17259 if (deletedPackageSetting.getInstantApp(userId)) { 17260 continue; 17261 } 17262 broadcastUsers = ArrayUtils.appendInt(broadcastUsers, userId); 17263 } 17264 } 17265 } 17266 17267 /* 17268 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 17269 * flag is not set, the data directory is removed as well. 17270 * make sure this flag is set for partially installed apps. If not its meaningless to 17271 * delete a partially installed application. 17272 */ 17273 private void removePackageDataLIF(PackageSetting ps, int[] allUserHandles, 17274 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 17275 String packageName = ps.name; 17276 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 17277 // Retrieve object to delete permissions for shared user later on 17278 final PackageParser.Package deletedPkg; 17279 final PackageSetting deletedPs; 17280 // reader 17281 synchronized (mPackages) { 17282 deletedPkg = mPackages.get(packageName); 17283 deletedPs = mSettings.mPackages.get(packageName); 17284 if (outInfo != null) { 17285 outInfo.removedPackage = packageName; 17286 outInfo.installerPackageName = ps.installerPackageName; 17287 outInfo.isStaticSharedLib = deletedPkg != null 17288 && deletedPkg.staticSharedLibName != null; 17289 outInfo.populateUsers(deletedPs == null ? null 17290 : deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true), deletedPs); 17291 } 17292 } 17293 17294 removePackageLI(ps, (flags & FLAGS_REMOVE_CHATTY) != 0); 17295 17296 if ((flags & PackageManager.DELETE_KEEP_DATA) == 0) { 17297 final PackageParser.Package resolvedPkg; 17298 if (deletedPkg != null) { 17299 resolvedPkg = deletedPkg; 17300 } else { 17301 // We don't have a parsed package when it lives on an ejected 17302 // adopted storage device, so fake something together 17303 resolvedPkg = new PackageParser.Package(ps.name); 17304 resolvedPkg.setVolumeUuid(ps.volumeUuid); 17305 } 17306 destroyAppDataLIF(resolvedPkg, UserHandle.USER_ALL, 17307 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 17308 destroyAppProfilesLIF(resolvedPkg, UserHandle.USER_ALL); 17309 if (outInfo != null) { 17310 outInfo.dataRemoved = true; 17311 } 17312 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 17313 } 17314 17315 int removedAppId = -1; 17316 17317 // writer 17318 synchronized (mPackages) { 17319 boolean installedStateChanged = false; 17320 if (deletedPs != null) { 17321 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 17322 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 17323 clearDefaultBrowserIfNeeded(packageName); 17324 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 17325 removedAppId = mSettings.removePackageLPw(packageName); 17326 if (outInfo != null) { 17327 outInfo.removedAppId = removedAppId; 17328 } 17329 mPermissionManager.updatePermissions( 17330 deletedPs.name, null, false, mPackages.values(), mPermissionCallback); 17331 if (deletedPs.sharedUser != null) { 17332 // Remove permissions associated with package. Since runtime 17333 // permissions are per user we have to kill the removed package 17334 // or packages running under the shared user of the removed 17335 // package if revoking the permissions requested only by the removed 17336 // package is successful and this causes a change in gids. 17337 for (int userId : UserManagerService.getInstance().getUserIds()) { 17338 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 17339 userId); 17340 if (userIdToKill == UserHandle.USER_ALL 17341 || userIdToKill >= UserHandle.USER_SYSTEM) { 17342 // If gids changed for this user, kill all affected packages. 17343 mHandler.post(new Runnable() { 17344 @Override 17345 public void run() { 17346 // This has to happen with no lock held. 17347 killApplication(deletedPs.name, deletedPs.appId, 17348 KILL_APP_REASON_GIDS_CHANGED); 17349 } 17350 }); 17351 break; 17352 } 17353 } 17354 } 17355 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 17356 } 17357 // make sure to preserve per-user disabled state if this removal was just 17358 // a downgrade of a system app to the factory package 17359 if (allUserHandles != null && outInfo != null && outInfo.origUsers != null) { 17360 if (DEBUG_REMOVE) { 17361 Slog.d(TAG, "Propagating install state across downgrade"); 17362 } 17363 for (int userId : allUserHandles) { 17364 final boolean installed = ArrayUtils.contains(outInfo.origUsers, userId); 17365 if (DEBUG_REMOVE) { 17366 Slog.d(TAG, " user " + userId + " => " + installed); 17367 } 17368 if (installed != ps.getInstalled(userId)) { 17369 installedStateChanged = true; 17370 } 17371 ps.setInstalled(installed, userId); 17372 } 17373 } 17374 } 17375 // can downgrade to reader 17376 if (writeSettings) { 17377 // Save settings now 17378 mSettings.writeLPr(); 17379 } 17380 if (installedStateChanged) { 17381 mSettings.writeKernelMappingLPr(ps); 17382 } 17383 } 17384 if (removedAppId != -1) { 17385 // A user ID was deleted here. Go through all users and remove it 17386 // from KeyStore. 17387 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, removedAppId); 17388 } 17389 } 17390 17391 static boolean locationIsPrivileged(File path) { 17392 try { 17393 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 17394 .getCanonicalPath(); 17395 return path.getCanonicalPath().startsWith(privilegedAppDir); 17396 } catch (IOException e) { 17397 Slog.e(TAG, "Unable to access code path " + path); 17398 } 17399 return false; 17400 } 17401 17402 static boolean locationIsOem(File path) { 17403 try { 17404 return path.getCanonicalPath().startsWith( 17405 Environment.getOemDirectory().getCanonicalPath()); 17406 } catch (IOException e) { 17407 Slog.e(TAG, "Unable to access code path " + path); 17408 } 17409 return false; 17410 } 17411 17412 /* 17413 * Tries to delete system package. 17414 */ 17415 private boolean deleteSystemPackageLIF(PackageParser.Package deletedPkg, 17416 PackageSetting deletedPs, int[] allUserHandles, int flags, PackageRemovedInfo outInfo, 17417 boolean writeSettings) { 17418 if (deletedPs.parentPackageName != null) { 17419 Slog.w(TAG, "Attempt to delete child system package " + deletedPkg.packageName); 17420 return false; 17421 } 17422 17423 final boolean applyUserRestrictions 17424 = (allUserHandles != null) && (outInfo.origUsers != null); 17425 final PackageSetting disabledPs; 17426 // Confirm if the system package has been updated 17427 // An updated system app can be deleted. This will also have to restore 17428 // the system pkg from system partition 17429 // reader 17430 synchronized (mPackages) { 17431 disabledPs = mSettings.getDisabledSystemPkgLPr(deletedPs.name); 17432 } 17433 17434 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + deletedPkg.packageName 17435 + " disabledPs=" + disabledPs); 17436 17437 if (disabledPs == null) { 17438 Slog.w(TAG, "Attempt to delete unknown system package "+ deletedPkg.packageName); 17439 return false; 17440 } else if (DEBUG_REMOVE) { 17441 Slog.d(TAG, "Deleting system pkg from data partition"); 17442 } 17443 17444 if (DEBUG_REMOVE) { 17445 if (applyUserRestrictions) { 17446 Slog.d(TAG, "Remembering install states:"); 17447 for (int userId : allUserHandles) { 17448 final boolean finstalled = ArrayUtils.contains(outInfo.origUsers, userId); 17449 Slog.d(TAG, " u=" + userId + " inst=" + finstalled); 17450 } 17451 } 17452 } 17453 17454 // Delete the updated package 17455 outInfo.isRemovedPackageSystemUpdate = true; 17456 if (outInfo.removedChildPackages != null) { 17457 final int childCount = (deletedPs.childPackageNames != null) 17458 ? deletedPs.childPackageNames.size() : 0; 17459 for (int i = 0; i < childCount; i++) { 17460 String childPackageName = deletedPs.childPackageNames.get(i); 17461 if (disabledPs.childPackageNames != null && disabledPs.childPackageNames 17462 .contains(childPackageName)) { 17463 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 17464 childPackageName); 17465 if (childInfo != null) { 17466 childInfo.isRemovedPackageSystemUpdate = true; 17467 } 17468 } 17469 } 17470 } 17471 17472 if (disabledPs.versionCode < deletedPs.versionCode) { 17473 // Delete data for downgrades 17474 flags &= ~PackageManager.DELETE_KEEP_DATA; 17475 } else { 17476 // Preserve data by setting flag 17477 flags |= PackageManager.DELETE_KEEP_DATA; 17478 } 17479 17480 boolean ret = deleteInstalledPackageLIF(deletedPs, true, flags, allUserHandles, 17481 outInfo, writeSettings, disabledPs.pkg); 17482 if (!ret) { 17483 return false; 17484 } 17485 17486 // writer 17487 synchronized (mPackages) { 17488 // NOTE: The system package always needs to be enabled; even if it's for 17489 // a compressed stub. If we don't, installing the system package fails 17490 // during scan [scanning checks the disabled packages]. We will reverse 17491 // this later, after we've "installed" the stub. 17492 // Reinstate the old system package 17493 enableSystemPackageLPw(disabledPs.pkg); 17494 // Remove any native libraries from the upgraded package. 17495 removeNativeBinariesLI(deletedPs); 17496 } 17497 17498 // Install the system package 17499 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 17500 try { 17501 installPackageFromSystemLIF(disabledPs.codePath, false /*isPrivileged*/, allUserHandles, 17502 outInfo.origUsers, deletedPs.getPermissionsState(), writeSettings); 17503 } catch (PackageManagerException e) { 17504 Slog.w(TAG, "Failed to restore system package:" + deletedPkg.packageName + ": " 17505 + e.getMessage()); 17506 return false; 17507 } finally { 17508 if (disabledPs.pkg.isStub) { 17509 mSettings.disableSystemPackageLPw(disabledPs.name, true /*replaced*/); 17510 } 17511 } 17512 return true; 17513 } 17514 17515 /** 17516 * Installs a package that's already on the system partition. 17517 */ 17518 private PackageParser.Package installPackageFromSystemLIF(@NonNull File codePath, 17519 boolean isPrivileged, @Nullable int[] allUserHandles, @Nullable int[] origUserHandles, 17520 @Nullable PermissionsState origPermissionState, boolean writeSettings) 17521 throws PackageManagerException { 17522 int parseFlags = mDefParseFlags 17523 | PackageParser.PARSE_MUST_BE_APK 17524 | PackageParser.PARSE_IS_SYSTEM 17525 | PackageParser.PARSE_IS_SYSTEM_DIR; 17526 if (isPrivileged || locationIsPrivileged(codePath)) { 17527 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 17528 } 17529 if (locationIsOem(codePath)) { 17530 parseFlags |= PackageParser.PARSE_IS_OEM; 17531 } 17532 17533 final PackageParser.Package pkg = 17534 scanPackageTracedLI(codePath, parseFlags, 0 /*scanFlags*/, 0 /*currentTime*/, null); 17535 17536 try { 17537 // update shared libraries for the newly re-installed system package 17538 updateSharedLibrariesLPr(pkg, null); 17539 } catch (PackageManagerException e) { 17540 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 17541 } 17542 17543 prepareAppDataAfterInstallLIF(pkg); 17544 17545 // writer 17546 synchronized (mPackages) { 17547 PackageSetting ps = mSettings.mPackages.get(pkg.packageName); 17548 17549 // Propagate the permissions state as we do not want to drop on the floor 17550 // runtime permissions. The update permissions method below will take 17551 // care of removing obsolete permissions and grant install permissions. 17552 if (origPermissionState != null) { 17553 ps.getPermissionsState().copyFrom(origPermissionState); 17554 } 17555 mPermissionManager.updatePermissions(pkg.packageName, pkg, true, mPackages.values(), 17556 mPermissionCallback); 17557 17558 final boolean applyUserRestrictions 17559 = (allUserHandles != null) && (origUserHandles != null); 17560 if (applyUserRestrictions) { 17561 boolean installedStateChanged = false; 17562 if (DEBUG_REMOVE) { 17563 Slog.d(TAG, "Propagating install state across reinstall"); 17564 } 17565 for (int userId : allUserHandles) { 17566 final boolean installed = ArrayUtils.contains(origUserHandles, userId); 17567 if (DEBUG_REMOVE) { 17568 Slog.d(TAG, " user " + userId + " => " + installed); 17569 } 17570 if (installed != ps.getInstalled(userId)) { 17571 installedStateChanged = true; 17572 } 17573 ps.setInstalled(installed, userId); 17574 17575 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 17576 } 17577 // Regardless of writeSettings we need to ensure that this restriction 17578 // state propagation is persisted 17579 mSettings.writeAllUsersPackageRestrictionsLPr(); 17580 if (installedStateChanged) { 17581 mSettings.writeKernelMappingLPr(ps); 17582 } 17583 } 17584 // can downgrade to reader here 17585 if (writeSettings) { 17586 mSettings.writeLPr(); 17587 } 17588 } 17589 return pkg; 17590 } 17591 17592 private boolean deleteInstalledPackageLIF(PackageSetting ps, 17593 boolean deleteCodeAndResources, int flags, int[] allUserHandles, 17594 PackageRemovedInfo outInfo, boolean writeSettings, 17595 PackageParser.Package replacingPackage) { 17596 synchronized (mPackages) { 17597 if (outInfo != null) { 17598 outInfo.uid = ps.appId; 17599 } 17600 17601 if (outInfo != null && outInfo.removedChildPackages != null) { 17602 final int childCount = (ps.childPackageNames != null) 17603 ? ps.childPackageNames.size() : 0; 17604 for (int i = 0; i < childCount; i++) { 17605 String childPackageName = ps.childPackageNames.get(i); 17606 PackageSetting childPs = mSettings.mPackages.get(childPackageName); 17607 if (childPs == null) { 17608 return false; 17609 } 17610 PackageRemovedInfo childInfo = outInfo.removedChildPackages.get( 17611 childPackageName); 17612 if (childInfo != null) { 17613 childInfo.uid = childPs.appId; 17614 } 17615 } 17616 } 17617 } 17618 17619 // Delete package data from internal structures and also remove data if flag is set 17620 removePackageDataLIF(ps, allUserHandles, outInfo, flags, writeSettings); 17621 17622 // Delete the child packages data 17623 final int childCount = (ps.childPackageNames != null) ? ps.childPackageNames.size() : 0; 17624 for (int i = 0; i < childCount; i++) { 17625 PackageSetting childPs; 17626 synchronized (mPackages) { 17627 childPs = mSettings.getPackageLPr(ps.childPackageNames.get(i)); 17628 } 17629 if (childPs != null) { 17630 PackageRemovedInfo childOutInfo = (outInfo != null 17631 && outInfo.removedChildPackages != null) 17632 ? outInfo.removedChildPackages.get(childPs.name) : null; 17633 final int deleteFlags = (flags & DELETE_KEEP_DATA) != 0 17634 && (replacingPackage != null 17635 && !replacingPackage.hasChildPackage(childPs.name)) 17636 ? flags & ~DELETE_KEEP_DATA : flags; 17637 removePackageDataLIF(childPs, allUserHandles, childOutInfo, 17638 deleteFlags, writeSettings); 17639 } 17640 } 17641 17642 // Delete application code and resources only for parent packages 17643 if (ps.parentPackageName == null) { 17644 if (deleteCodeAndResources && (outInfo != null)) { 17645 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 17646 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 17647 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 17648 } 17649 } 17650 17651 return true; 17652 } 17653 17654 @Override 17655 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 17656 int userId) { 17657 mContext.enforceCallingOrSelfPermission( 17658 android.Manifest.permission.DELETE_PACKAGES, null); 17659 synchronized (mPackages) { 17660 // Cannot block uninstall of static shared libs as they are 17661 // considered a part of the using app (emulating static linking). 17662 // Also static libs are installed always on internal storage. 17663 PackageParser.Package pkg = mPackages.get(packageName); 17664 if (pkg != null && pkg.staticSharedLibName != null) { 17665 Slog.w(TAG, "Cannot block uninstall of package: " + packageName 17666 + " providing static shared library: " + pkg.staticSharedLibName); 17667 return false; 17668 } 17669 mSettings.setBlockUninstallLPw(userId, packageName, blockUninstall); 17670 mSettings.writePackageRestrictionsLPr(userId); 17671 } 17672 return true; 17673 } 17674 17675 @Override 17676 public boolean getBlockUninstallForUser(String packageName, int userId) { 17677 synchronized (mPackages) { 17678 final PackageSetting ps = mSettings.mPackages.get(packageName); 17679 if (ps == null || filterAppAccessLPr(ps, Binder.getCallingUid(), userId)) { 17680 return false; 17681 } 17682 return mSettings.getBlockUninstallLPr(userId, packageName); 17683 } 17684 } 17685 17686 @Override 17687 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 17688 enforceSystemOrRoot("setRequiredForSystemUser can only be run by the system or root"); 17689 synchronized (mPackages) { 17690 PackageSetting ps = mSettings.mPackages.get(packageName); 17691 if (ps == null) { 17692 Log.w(TAG, "Package doesn't exist: " + packageName); 17693 return false; 17694 } 17695 if (systemUserApp) { 17696 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 17697 } else { 17698 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 17699 } 17700 mSettings.writeLPr(); 17701 } 17702 return true; 17703 } 17704 17705 /* 17706 * This method handles package deletion in general 17707 */ 17708 private boolean deletePackageLIF(String packageName, UserHandle user, 17709 boolean deleteCodeAndResources, int[] allUserHandles, int flags, 17710 PackageRemovedInfo outInfo, boolean writeSettings, 17711 PackageParser.Package replacingPackage) { 17712 if (packageName == null) { 17713 Slog.w(TAG, "Attempt to delete null packageName."); 17714 return false; 17715 } 17716 17717 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 17718 17719 PackageSetting ps; 17720 synchronized (mPackages) { 17721 ps = mSettings.mPackages.get(packageName); 17722 if (ps == null) { 17723 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 17724 return false; 17725 } 17726 17727 if (ps.parentPackageName != null && (!isSystemApp(ps) 17728 || (flags & PackageManager.DELETE_SYSTEM_APP) != 0)) { 17729 if (DEBUG_REMOVE) { 17730 Slog.d(TAG, "Uninstalled child package:" + packageName + " for user:" 17731 + ((user == null) ? UserHandle.USER_ALL : user)); 17732 } 17733 final int removedUserId = (user != null) ? user.getIdentifier() 17734 : UserHandle.USER_ALL; 17735 if (!clearPackageStateForUserLIF(ps, removedUserId, outInfo)) { 17736 return false; 17737 } 17738 markPackageUninstalledForUserLPw(ps, user); 17739 scheduleWritePackageRestrictionsLocked(user); 17740 return true; 17741 } 17742 } 17743 17744 if (((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 17745 && user.getIdentifier() != UserHandle.USER_ALL)) { 17746 // The caller is asking that the package only be deleted for a single 17747 // user. To do this, we just mark its uninstalled state and delete 17748 // its data. If this is a system app, we only allow this to happen if 17749 // they have set the special DELETE_SYSTEM_APP which requests different 17750 // semantics than normal for uninstalling system apps. 17751 markPackageUninstalledForUserLPw(ps, user); 17752 17753 if (!isSystemApp(ps)) { 17754 // Do not uninstall the APK if an app should be cached 17755 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 17756 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 17757 // Other user still have this package installed, so all 17758 // we need to do is clear this user's data and save that 17759 // it is uninstalled. 17760 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 17761 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 17762 return false; 17763 } 17764 scheduleWritePackageRestrictionsLocked(user); 17765 return true; 17766 } else { 17767 // We need to set it back to 'installed' so the uninstall 17768 // broadcasts will be sent correctly. 17769 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 17770 ps.setInstalled(true, user.getIdentifier()); 17771 mSettings.writeKernelMappingLPr(ps); 17772 } 17773 } else { 17774 // This is a system app, so we assume that the 17775 // other users still have this package installed, so all 17776 // we need to do is clear this user's data and save that 17777 // it is uninstalled. 17778 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 17779 if (!clearPackageStateForUserLIF(ps, user.getIdentifier(), outInfo)) { 17780 return false; 17781 } 17782 scheduleWritePackageRestrictionsLocked(user); 17783 return true; 17784 } 17785 } 17786 17787 // If we are deleting a composite package for all users, keep track 17788 // of result for each child. 17789 if (ps.childPackageNames != null && outInfo != null) { 17790 synchronized (mPackages) { 17791 final int childCount = ps.childPackageNames.size(); 17792 outInfo.removedChildPackages = new ArrayMap<>(childCount); 17793 for (int i = 0; i < childCount; i++) { 17794 String childPackageName = ps.childPackageNames.get(i); 17795 PackageRemovedInfo childInfo = new PackageRemovedInfo(this); 17796 childInfo.removedPackage = childPackageName; 17797 childInfo.installerPackageName = ps.installerPackageName; 17798 outInfo.removedChildPackages.put(childPackageName, childInfo); 17799 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 17800 if (childPs != null) { 17801 childInfo.origUsers = childPs.queryInstalledUsers(allUserHandles, true); 17802 } 17803 } 17804 } 17805 } 17806 17807 boolean ret = false; 17808 if (isSystemApp(ps)) { 17809 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 17810 // When an updated system application is deleted we delete the existing resources 17811 // as well and fall back to existing code in system partition 17812 ret = deleteSystemPackageLIF(ps.pkg, ps, allUserHandles, flags, outInfo, writeSettings); 17813 } else { 17814 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 17815 ret = deleteInstalledPackageLIF(ps, deleteCodeAndResources, flags, allUserHandles, 17816 outInfo, writeSettings, replacingPackage); 17817 } 17818 17819 // Take a note whether we deleted the package for all users 17820 if (outInfo != null) { 17821 outInfo.removedForAllUsers = mPackages.get(ps.name) == null; 17822 if (outInfo.removedChildPackages != null) { 17823 synchronized (mPackages) { 17824 final int childCount = outInfo.removedChildPackages.size(); 17825 for (int i = 0; i < childCount; i++) { 17826 PackageRemovedInfo childInfo = outInfo.removedChildPackages.valueAt(i); 17827 if (childInfo != null) { 17828 childInfo.removedForAllUsers = mPackages.get( 17829 childInfo.removedPackage) == null; 17830 } 17831 } 17832 } 17833 } 17834 // If we uninstalled an update to a system app there may be some 17835 // child packages that appeared as they are declared in the system 17836 // app but were not declared in the update. 17837 if (isSystemApp(ps)) { 17838 synchronized (mPackages) { 17839 PackageSetting updatedPs = mSettings.getPackageLPr(ps.name); 17840 final int childCount = (updatedPs.childPackageNames != null) 17841 ? updatedPs.childPackageNames.size() : 0; 17842 for (int i = 0; i < childCount; i++) { 17843 String childPackageName = updatedPs.childPackageNames.get(i); 17844 if (outInfo.removedChildPackages == null 17845 || outInfo.removedChildPackages.indexOfKey(childPackageName) < 0) { 17846 PackageSetting childPs = mSettings.getPackageLPr(childPackageName); 17847 if (childPs == null) { 17848 continue; 17849 } 17850 PackageInstalledInfo installRes = new PackageInstalledInfo(); 17851 installRes.name = childPackageName; 17852 installRes.newUsers = childPs.queryInstalledUsers(allUserHandles, true); 17853 installRes.pkg = mPackages.get(childPackageName); 17854 installRes.uid = childPs.pkg.applicationInfo.uid; 17855 if (outInfo.appearedChildPackages == null) { 17856 outInfo.appearedChildPackages = new ArrayMap<>(); 17857 } 17858 outInfo.appearedChildPackages.put(childPackageName, installRes); 17859 } 17860 } 17861 } 17862 } 17863 } 17864 17865 return ret; 17866 } 17867 17868 private void markPackageUninstalledForUserLPw(PackageSetting ps, UserHandle user) { 17869 final int[] userIds = (user == null || user.getIdentifier() == UserHandle.USER_ALL) 17870 ? sUserManager.getUserIds() : new int[] {user.getIdentifier()}; 17871 for (int nextUserId : userIds) { 17872 if (DEBUG_REMOVE) { 17873 Slog.d(TAG, "Marking package:" + ps.name + " uninstalled for user:" + nextUserId); 17874 } 17875 ps.setUserState(nextUserId, 0, COMPONENT_ENABLED_STATE_DEFAULT, 17876 false /*installed*/, 17877 true /*stopped*/, 17878 true /*notLaunched*/, 17879 false /*hidden*/, 17880 false /*suspended*/, 17881 false /*instantApp*/, 17882 false /*virtualPreload*/, 17883 null /*lastDisableAppCaller*/, 17884 null /*enabledComponents*/, 17885 null /*disabledComponents*/, 17886 ps.readUserState(nextUserId).domainVerificationStatus, 17887 0, PackageManager.INSTALL_REASON_UNKNOWN); 17888 } 17889 mSettings.writeKernelMappingLPr(ps); 17890 } 17891 17892 private boolean clearPackageStateForUserLIF(PackageSetting ps, int userId, 17893 PackageRemovedInfo outInfo) { 17894 final PackageParser.Package pkg; 17895 synchronized (mPackages) { 17896 pkg = mPackages.get(ps.name); 17897 } 17898 17899 final int[] userIds = (userId == UserHandle.USER_ALL) ? sUserManager.getUserIds() 17900 : new int[] {userId}; 17901 for (int nextUserId : userIds) { 17902 if (DEBUG_REMOVE) { 17903 Slog.d(TAG, "Updating package:" + ps.name + " install state for user:" 17904 + nextUserId); 17905 } 17906 17907 destroyAppDataLIF(pkg, userId, 17908 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 17909 destroyAppProfilesLIF(pkg, userId); 17910 clearDefaultBrowserIfNeededForUser(ps.name, userId); 17911 removeKeystoreDataIfNeeded(nextUserId, ps.appId); 17912 schedulePackageCleaning(ps.name, nextUserId, false); 17913 synchronized (mPackages) { 17914 if (clearPackagePreferredActivitiesLPw(ps.name, nextUserId)) { 17915 scheduleWritePackageRestrictionsLocked(nextUserId); 17916 } 17917 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, nextUserId); 17918 } 17919 } 17920 17921 if (outInfo != null) { 17922 outInfo.removedPackage = ps.name; 17923 outInfo.installerPackageName = ps.installerPackageName; 17924 outInfo.isStaticSharedLib = pkg != null && pkg.staticSharedLibName != null; 17925 outInfo.removedAppId = ps.appId; 17926 outInfo.removedUsers = userIds; 17927 outInfo.broadcastUsers = userIds; 17928 } 17929 17930 return true; 17931 } 17932 17933 private final class ClearStorageConnection implements ServiceConnection { 17934 IMediaContainerService mContainerService; 17935 17936 @Override 17937 public void onServiceConnected(ComponentName name, IBinder service) { 17938 synchronized (this) { 17939 mContainerService = IMediaContainerService.Stub 17940 .asInterface(Binder.allowBlocking(service)); 17941 notifyAll(); 17942 } 17943 } 17944 17945 @Override 17946 public void onServiceDisconnected(ComponentName name) { 17947 } 17948 } 17949 17950 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 17951 if (DEFAULT_CONTAINER_PACKAGE.equals(packageName)) return; 17952 17953 final boolean mounted; 17954 if (Environment.isExternalStorageEmulated()) { 17955 mounted = true; 17956 } else { 17957 final String status = Environment.getExternalStorageState(); 17958 17959 mounted = status.equals(Environment.MEDIA_MOUNTED) 17960 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 17961 } 17962 17963 if (!mounted) { 17964 return; 17965 } 17966 17967 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 17968 int[] users; 17969 if (userId == UserHandle.USER_ALL) { 17970 users = sUserManager.getUserIds(); 17971 } else { 17972 users = new int[] { userId }; 17973 } 17974 final ClearStorageConnection conn = new ClearStorageConnection(); 17975 if (mContext.bindServiceAsUser( 17976 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 17977 try { 17978 for (int curUser : users) { 17979 long timeout = SystemClock.uptimeMillis() + 5000; 17980 synchronized (conn) { 17981 long now; 17982 while (conn.mContainerService == null && 17983 (now = SystemClock.uptimeMillis()) < timeout) { 17984 try { 17985 conn.wait(timeout - now); 17986 } catch (InterruptedException e) { 17987 } 17988 } 17989 } 17990 if (conn.mContainerService == null) { 17991 return; 17992 } 17993 17994 final UserEnvironment userEnv = new UserEnvironment(curUser); 17995 clearDirectory(conn.mContainerService, 17996 userEnv.buildExternalStorageAppCacheDirs(packageName)); 17997 if (allData) { 17998 clearDirectory(conn.mContainerService, 17999 userEnv.buildExternalStorageAppDataDirs(packageName)); 18000 clearDirectory(conn.mContainerService, 18001 userEnv.buildExternalStorageAppMediaDirs(packageName)); 18002 } 18003 } 18004 } finally { 18005 mContext.unbindService(conn); 18006 } 18007 } 18008 } 18009 18010 @Override 18011 public void clearApplicationProfileData(String packageName) { 18012 enforceSystemOrRoot("Only the system can clear all profile data"); 18013 18014 final PackageParser.Package pkg; 18015 synchronized (mPackages) { 18016 pkg = mPackages.get(packageName); 18017 } 18018 18019 try (PackageFreezer freezer = freezePackage(packageName, "clearApplicationProfileData")) { 18020 synchronized (mInstallLock) { 18021 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 18022 } 18023 } 18024 } 18025 18026 @Override 18027 public void clearApplicationUserData(final String packageName, 18028 final IPackageDataObserver observer, final int userId) { 18029 mContext.enforceCallingOrSelfPermission( 18030 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 18031 18032 final int callingUid = Binder.getCallingUid(); 18033 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 18034 true /* requireFullPermission */, false /* checkShell */, "clear application data"); 18035 18036 final PackageSetting ps = mSettings.getPackageLPr(packageName); 18037 final boolean filterApp = (ps != null && filterAppAccessLPr(ps, callingUid, userId)); 18038 if (!filterApp && mProtectedPackages.isPackageDataProtected(userId, packageName)) { 18039 throw new SecurityException("Cannot clear data for a protected package: " 18040 + packageName); 18041 } 18042 // Queue up an async operation since the package deletion may take a little while. 18043 mHandler.post(new Runnable() { 18044 public void run() { 18045 mHandler.removeCallbacks(this); 18046 final boolean succeeded; 18047 if (!filterApp) { 18048 try (PackageFreezer freezer = freezePackage(packageName, 18049 "clearApplicationUserData")) { 18050 synchronized (mInstallLock) { 18051 succeeded = clearApplicationUserDataLIF(packageName, userId); 18052 } 18053 clearExternalStorageDataSync(packageName, userId, true); 18054 synchronized (mPackages) { 18055 mInstantAppRegistry.deleteInstantApplicationMetadataLPw( 18056 packageName, userId); 18057 } 18058 } 18059 if (succeeded) { 18060 // invoke DeviceStorageMonitor's update method to clear any notifications 18061 DeviceStorageMonitorInternal dsm = LocalServices 18062 .getService(DeviceStorageMonitorInternal.class); 18063 if (dsm != null) { 18064 dsm.checkMemory(); 18065 } 18066 } 18067 } else { 18068 succeeded = false; 18069 } 18070 if (observer != null) { 18071 try { 18072 observer.onRemoveCompleted(packageName, succeeded); 18073 } catch (RemoteException e) { 18074 Log.i(TAG, "Observer no longer exists."); 18075 } 18076 } //end if observer 18077 } //end run 18078 }); 18079 } 18080 18081 private boolean clearApplicationUserDataLIF(String packageName, int userId) { 18082 if (packageName == null) { 18083 Slog.w(TAG, "Attempt to delete null packageName."); 18084 return false; 18085 } 18086 18087 // Try finding details about the requested package 18088 PackageParser.Package pkg; 18089 synchronized (mPackages) { 18090 pkg = mPackages.get(packageName); 18091 if (pkg == null) { 18092 final PackageSetting ps = mSettings.mPackages.get(packageName); 18093 if (ps != null) { 18094 pkg = ps.pkg; 18095 } 18096 } 18097 18098 if (pkg == null) { 18099 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 18100 return false; 18101 } 18102 18103 PackageSetting ps = (PackageSetting) pkg.mExtras; 18104 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 18105 } 18106 18107 clearAppDataLIF(pkg, userId, 18108 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE); 18109 18110 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 18111 removeKeystoreDataIfNeeded(userId, appId); 18112 18113 UserManagerInternal umInternal = getUserManagerInternal(); 18114 final int flags; 18115 if (umInternal.isUserUnlockingOrUnlocked(userId)) { 18116 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 18117 } else if (umInternal.isUserRunning(userId)) { 18118 flags = StorageManager.FLAG_STORAGE_DE; 18119 } else { 18120 flags = 0; 18121 } 18122 prepareAppDataContentsLIF(pkg, userId, flags); 18123 18124 return true; 18125 } 18126 18127 /** 18128 * Reverts user permission state changes (permissions and flags) in 18129 * all packages for a given user. 18130 * 18131 * @param userId The device user for which to do a reset. 18132 */ 18133 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 18134 final int packageCount = mPackages.size(); 18135 for (int i = 0; i < packageCount; i++) { 18136 PackageParser.Package pkg = mPackages.valueAt(i); 18137 PackageSetting ps = (PackageSetting) pkg.mExtras; 18138 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 18139 } 18140 } 18141 18142 private void resetNetworkPolicies(int userId) { 18143 LocalServices.getService(NetworkPolicyManagerInternal.class).resetUserState(userId); 18144 } 18145 18146 /** 18147 * Reverts user permission state changes (permissions and flags). 18148 * 18149 * @param ps The package for which to reset. 18150 * @param userId The device user for which to do a reset. 18151 */ 18152 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 18153 final PackageSetting ps, final int userId) { 18154 if (ps.pkg == null) { 18155 return; 18156 } 18157 18158 // These are flags that can change base on user actions. 18159 final int userSettableMask = FLAG_PERMISSION_USER_SET 18160 | FLAG_PERMISSION_USER_FIXED 18161 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 18162 | FLAG_PERMISSION_REVIEW_REQUIRED; 18163 18164 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 18165 | FLAG_PERMISSION_POLICY_FIXED; 18166 18167 boolean writeInstallPermissions = false; 18168 boolean writeRuntimePermissions = false; 18169 18170 final int permissionCount = ps.pkg.requestedPermissions.size(); 18171 for (int i = 0; i < permissionCount; i++) { 18172 final String permName = ps.pkg.requestedPermissions.get(i); 18173 final BasePermission bp = 18174 (BasePermission) mPermissionManager.getPermissionTEMP(permName); 18175 if (bp == null) { 18176 continue; 18177 } 18178 18179 // If shared user we just reset the state to which only this app contributed. 18180 if (ps.sharedUser != null) { 18181 boolean used = false; 18182 final int packageCount = ps.sharedUser.packages.size(); 18183 for (int j = 0; j < packageCount; j++) { 18184 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 18185 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 18186 && pkg.pkg.requestedPermissions.contains(permName)) { 18187 used = true; 18188 break; 18189 } 18190 } 18191 if (used) { 18192 continue; 18193 } 18194 } 18195 18196 final PermissionsState permissionsState = ps.getPermissionsState(); 18197 18198 final int oldFlags = permissionsState.getPermissionFlags(permName, userId); 18199 18200 // Always clear the user settable flags. 18201 final boolean hasInstallState = 18202 permissionsState.getInstallPermissionState(permName) != null; 18203 // If permission review is enabled and this is a legacy app, mark the 18204 // permission as requiring a review as this is the initial state. 18205 int flags = 0; 18206 if (mSettings.mPermissions.mPermissionReviewRequired 18207 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 18208 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 18209 } 18210 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 18211 if (hasInstallState) { 18212 writeInstallPermissions = true; 18213 } else { 18214 writeRuntimePermissions = true; 18215 } 18216 } 18217 18218 // Below is only runtime permission handling. 18219 if (!bp.isRuntime()) { 18220 continue; 18221 } 18222 18223 // Never clobber system or policy. 18224 if ((oldFlags & policyOrSystemFlags) != 0) { 18225 continue; 18226 } 18227 18228 // If this permission was granted by default, make sure it is. 18229 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 18230 if (permissionsState.grantRuntimePermission(bp, userId) 18231 != PERMISSION_OPERATION_FAILURE) { 18232 writeRuntimePermissions = true; 18233 } 18234 // If permission review is enabled the permissions for a legacy apps 18235 // are represented as constantly granted runtime ones, so don't revoke. 18236 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 18237 // Otherwise, reset the permission. 18238 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 18239 switch (revokeResult) { 18240 case PERMISSION_OPERATION_SUCCESS: 18241 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 18242 writeRuntimePermissions = true; 18243 final int appId = ps.appId; 18244 mHandler.post(new Runnable() { 18245 @Override 18246 public void run() { 18247 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 18248 } 18249 }); 18250 } break; 18251 } 18252 } 18253 } 18254 18255 // Synchronously write as we are taking permissions away. 18256 if (writeRuntimePermissions) { 18257 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 18258 } 18259 18260 // Synchronously write as we are taking permissions away. 18261 if (writeInstallPermissions) { 18262 mSettings.writeLPr(); 18263 } 18264 } 18265 18266 /** 18267 * Remove entries from the keystore daemon. Will only remove it if the 18268 * {@code appId} is valid. 18269 */ 18270 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 18271 if (appId < 0) { 18272 return; 18273 } 18274 18275 final KeyStore keyStore = KeyStore.getInstance(); 18276 if (keyStore != null) { 18277 if (userId == UserHandle.USER_ALL) { 18278 for (final int individual : sUserManager.getUserIds()) { 18279 keyStore.clearUid(UserHandle.getUid(individual, appId)); 18280 } 18281 } else { 18282 keyStore.clearUid(UserHandle.getUid(userId, appId)); 18283 } 18284 } else { 18285 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 18286 } 18287 } 18288 18289 @Override 18290 public void deleteApplicationCacheFiles(final String packageName, 18291 final IPackageDataObserver observer) { 18292 final int userId = UserHandle.getCallingUserId(); 18293 deleteApplicationCacheFilesAsUser(packageName, userId, observer); 18294 } 18295 18296 @Override 18297 public void deleteApplicationCacheFilesAsUser(final String packageName, final int userId, 18298 final IPackageDataObserver observer) { 18299 final int callingUid = Binder.getCallingUid(); 18300 mContext.enforceCallingOrSelfPermission( 18301 android.Manifest.permission.DELETE_CACHE_FILES, null); 18302 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 18303 /* requireFullPermission= */ true, /* checkShell= */ false, 18304 "delete application cache files"); 18305 final int hasAccessInstantApps = mContext.checkCallingOrSelfPermission( 18306 android.Manifest.permission.ACCESS_INSTANT_APPS); 18307 18308 final PackageParser.Package pkg; 18309 synchronized (mPackages) { 18310 pkg = mPackages.get(packageName); 18311 } 18312 18313 // Queue up an async operation since the package deletion may take a little while. 18314 mHandler.post(new Runnable() { 18315 public void run() { 18316 final PackageSetting ps = pkg == null ? null : (PackageSetting) pkg.mExtras; 18317 boolean doClearData = true; 18318 if (ps != null) { 18319 final boolean targetIsInstantApp = 18320 ps.getInstantApp(UserHandle.getUserId(callingUid)); 18321 doClearData = !targetIsInstantApp 18322 || hasAccessInstantApps == PackageManager.PERMISSION_GRANTED; 18323 } 18324 if (doClearData) { 18325 synchronized (mInstallLock) { 18326 final int flags = StorageManager.FLAG_STORAGE_DE 18327 | StorageManager.FLAG_STORAGE_CE; 18328 // We're only clearing cache files, so we don't care if the 18329 // app is unfrozen and still able to run 18330 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CACHE_ONLY); 18331 clearAppDataLIF(pkg, userId, flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 18332 } 18333 clearExternalStorageDataSync(packageName, userId, false); 18334 } 18335 if (observer != null) { 18336 try { 18337 observer.onRemoveCompleted(packageName, true); 18338 } catch (RemoteException e) { 18339 Log.i(TAG, "Observer no longer exists."); 18340 } 18341 } 18342 } 18343 }); 18344 } 18345 18346 @Override 18347 public void getPackageSizeInfo(final String packageName, int userHandle, 18348 final IPackageStatsObserver observer) { 18349 throw new UnsupportedOperationException( 18350 "Shame on you for calling the hidden API getPackageSizeInfo(). Shame!"); 18351 } 18352 18353 private boolean getPackageSizeInfoLI(String packageName, int userId, PackageStats stats) { 18354 final PackageSetting ps; 18355 synchronized (mPackages) { 18356 ps = mSettings.mPackages.get(packageName); 18357 if (ps == null) { 18358 Slog.w(TAG, "Failed to find settings for " + packageName); 18359 return false; 18360 } 18361 } 18362 18363 final String[] packageNames = { packageName }; 18364 final long[] ceDataInodes = { ps.getCeDataInode(userId) }; 18365 final String[] codePaths = { ps.codePathString }; 18366 18367 try { 18368 mInstaller.getAppSize(ps.volumeUuid, packageNames, userId, 0, 18369 ps.appId, ceDataInodes, codePaths, stats); 18370 18371 // For now, ignore code size of packages on system partition 18372 if (isSystemApp(ps) && !isUpdatedSystemApp(ps)) { 18373 stats.codeSize = 0; 18374 } 18375 18376 // External clients expect these to be tracked separately 18377 stats.dataSize -= stats.cacheSize; 18378 18379 } catch (InstallerException e) { 18380 Slog.w(TAG, String.valueOf(e)); 18381 return false; 18382 } 18383 18384 return true; 18385 } 18386 18387 private int getUidTargetSdkVersionLockedLPr(int uid) { 18388 Object obj = mSettings.getUserIdLPr(uid); 18389 if (obj instanceof SharedUserSetting) { 18390 final SharedUserSetting sus = (SharedUserSetting) obj; 18391 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 18392 final Iterator<PackageSetting> it = sus.packages.iterator(); 18393 while (it.hasNext()) { 18394 final PackageSetting ps = it.next(); 18395 if (ps.pkg != null) { 18396 int v = ps.pkg.applicationInfo.targetSdkVersion; 18397 if (v < vers) vers = v; 18398 } 18399 } 18400 return vers; 18401 } else if (obj instanceof PackageSetting) { 18402 final PackageSetting ps = (PackageSetting) obj; 18403 if (ps.pkg != null) { 18404 return ps.pkg.applicationInfo.targetSdkVersion; 18405 } 18406 } 18407 return Build.VERSION_CODES.CUR_DEVELOPMENT; 18408 } 18409 18410 @Override 18411 public void addPreferredActivity(IntentFilter filter, int match, 18412 ComponentName[] set, ComponentName activity, int userId) { 18413 addPreferredActivityInternal(filter, match, set, activity, true, userId, 18414 "Adding preferred"); 18415 } 18416 18417 private void addPreferredActivityInternal(IntentFilter filter, int match, 18418 ComponentName[] set, ComponentName activity, boolean always, int userId, 18419 String opname) { 18420 // writer 18421 int callingUid = Binder.getCallingUid(); 18422 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 18423 true /* requireFullPermission */, false /* checkShell */, "add preferred activity"); 18424 if (filter.countActions() == 0) { 18425 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 18426 return; 18427 } 18428 synchronized (mPackages) { 18429 if (mContext.checkCallingOrSelfPermission( 18430 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 18431 != PackageManager.PERMISSION_GRANTED) { 18432 if (getUidTargetSdkVersionLockedLPr(callingUid) 18433 < Build.VERSION_CODES.FROYO) { 18434 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 18435 + callingUid); 18436 return; 18437 } 18438 mContext.enforceCallingOrSelfPermission( 18439 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18440 } 18441 18442 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 18443 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 18444 + userId + ":"); 18445 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18446 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 18447 scheduleWritePackageRestrictionsLocked(userId); 18448 postPreferredActivityChangedBroadcast(userId); 18449 } 18450 } 18451 18452 private void postPreferredActivityChangedBroadcast(int userId) { 18453 mHandler.post(() -> { 18454 final IActivityManager am = ActivityManager.getService(); 18455 if (am == null) { 18456 return; 18457 } 18458 18459 final Intent intent = new Intent(Intent.ACTION_PREFERRED_ACTIVITY_CHANGED); 18460 intent.putExtra(Intent.EXTRA_USER_HANDLE, userId); 18461 try { 18462 am.broadcastIntent(null, intent, null, null, 18463 0, null, null, null, android.app.AppOpsManager.OP_NONE, 18464 null, false, false, userId); 18465 } catch (RemoteException e) { 18466 } 18467 }); 18468 } 18469 18470 @Override 18471 public void replacePreferredActivity(IntentFilter filter, int match, 18472 ComponentName[] set, ComponentName activity, int userId) { 18473 if (filter.countActions() != 1) { 18474 throw new IllegalArgumentException( 18475 "replacePreferredActivity expects filter to have only 1 action."); 18476 } 18477 if (filter.countDataAuthorities() != 0 18478 || filter.countDataPaths() != 0 18479 || filter.countDataSchemes() > 1 18480 || filter.countDataTypes() != 0) { 18481 throw new IllegalArgumentException( 18482 "replacePreferredActivity expects filter to have no data authorities, " + 18483 "paths, or types; and at most one scheme."); 18484 } 18485 18486 final int callingUid = Binder.getCallingUid(); 18487 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 18488 true /* requireFullPermission */, false /* checkShell */, 18489 "replace preferred activity"); 18490 synchronized (mPackages) { 18491 if (mContext.checkCallingOrSelfPermission( 18492 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 18493 != PackageManager.PERMISSION_GRANTED) { 18494 if (getUidTargetSdkVersionLockedLPr(callingUid) 18495 < Build.VERSION_CODES.FROYO) { 18496 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 18497 + Binder.getCallingUid()); 18498 return; 18499 } 18500 mContext.enforceCallingOrSelfPermission( 18501 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18502 } 18503 18504 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 18505 if (pir != null) { 18506 // Get all of the existing entries that exactly match this filter. 18507 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 18508 if (existing != null && existing.size() == 1) { 18509 PreferredActivity cur = existing.get(0); 18510 if (DEBUG_PREFERRED) { 18511 Slog.i(TAG, "Checking replace of preferred:"); 18512 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18513 if (!cur.mPref.mAlways) { 18514 Slog.i(TAG, " -- CUR; not mAlways!"); 18515 } else { 18516 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 18517 Slog.i(TAG, " -- CUR: mSet=" 18518 + Arrays.toString(cur.mPref.mSetComponents)); 18519 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 18520 Slog.i(TAG, " -- NEW: mMatch=" 18521 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 18522 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 18523 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 18524 } 18525 } 18526 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 18527 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 18528 && cur.mPref.sameSet(set)) { 18529 // Setting the preferred activity to what it happens to be already 18530 if (DEBUG_PREFERRED) { 18531 Slog.i(TAG, "Replacing with same preferred activity " 18532 + cur.mPref.mShortComponent + " for user " 18533 + userId + ":"); 18534 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18535 } 18536 return; 18537 } 18538 } 18539 18540 if (existing != null) { 18541 if (DEBUG_PREFERRED) { 18542 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 18543 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18544 } 18545 for (int i = 0; i < existing.size(); i++) { 18546 PreferredActivity pa = existing.get(i); 18547 if (DEBUG_PREFERRED) { 18548 Slog.i(TAG, "Removing existing preferred activity " 18549 + pa.mPref.mComponent + ":"); 18550 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 18551 } 18552 pir.removeFilter(pa); 18553 } 18554 } 18555 } 18556 addPreferredActivityInternal(filter, match, set, activity, true, userId, 18557 "Replacing preferred"); 18558 } 18559 } 18560 18561 @Override 18562 public void clearPackagePreferredActivities(String packageName) { 18563 final int callingUid = Binder.getCallingUid(); 18564 if (getInstantAppPackageName(callingUid) != null) { 18565 return; 18566 } 18567 // writer 18568 synchronized (mPackages) { 18569 PackageParser.Package pkg = mPackages.get(packageName); 18570 if (pkg == null || pkg.applicationInfo.uid != callingUid) { 18571 if (mContext.checkCallingOrSelfPermission( 18572 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 18573 != PackageManager.PERMISSION_GRANTED) { 18574 if (getUidTargetSdkVersionLockedLPr(callingUid) 18575 < Build.VERSION_CODES.FROYO) { 18576 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 18577 + callingUid); 18578 return; 18579 } 18580 mContext.enforceCallingOrSelfPermission( 18581 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18582 } 18583 } 18584 final PackageSetting ps = mSettings.getPackageLPr(packageName); 18585 if (ps != null 18586 && filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 18587 return; 18588 } 18589 int user = UserHandle.getCallingUserId(); 18590 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 18591 scheduleWritePackageRestrictionsLocked(user); 18592 } 18593 } 18594 } 18595 18596 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 18597 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 18598 ArrayList<PreferredActivity> removed = null; 18599 boolean changed = false; 18600 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 18601 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 18602 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 18603 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 18604 continue; 18605 } 18606 Iterator<PreferredActivity> it = pir.filterIterator(); 18607 while (it.hasNext()) { 18608 PreferredActivity pa = it.next(); 18609 // Mark entry for removal only if it matches the package name 18610 // and the entry is of type "always". 18611 if (packageName == null || 18612 (pa.mPref.mComponent.getPackageName().equals(packageName) 18613 && pa.mPref.mAlways)) { 18614 if (removed == null) { 18615 removed = new ArrayList<PreferredActivity>(); 18616 } 18617 removed.add(pa); 18618 } 18619 } 18620 if (removed != null) { 18621 for (int j=0; j<removed.size(); j++) { 18622 PreferredActivity pa = removed.get(j); 18623 pir.removeFilter(pa); 18624 } 18625 changed = true; 18626 } 18627 } 18628 if (changed) { 18629 postPreferredActivityChangedBroadcast(userId); 18630 } 18631 return changed; 18632 } 18633 18634 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 18635 private void clearIntentFilterVerificationsLPw(int userId) { 18636 final int packageCount = mPackages.size(); 18637 for (int i = 0; i < packageCount; i++) { 18638 PackageParser.Package pkg = mPackages.valueAt(i); 18639 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 18640 } 18641 } 18642 18643 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 18644 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 18645 if (userId == UserHandle.USER_ALL) { 18646 if (mSettings.removeIntentFilterVerificationLPw(packageName, 18647 sUserManager.getUserIds())) { 18648 for (int oneUserId : sUserManager.getUserIds()) { 18649 scheduleWritePackageRestrictionsLocked(oneUserId); 18650 } 18651 } 18652 } else { 18653 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 18654 scheduleWritePackageRestrictionsLocked(userId); 18655 } 18656 } 18657 } 18658 18659 /** Clears state for all users, and touches intent filter verification policy */ 18660 void clearDefaultBrowserIfNeeded(String packageName) { 18661 for (int oneUserId : sUserManager.getUserIds()) { 18662 clearDefaultBrowserIfNeededForUser(packageName, oneUserId); 18663 } 18664 } 18665 18666 private void clearDefaultBrowserIfNeededForUser(String packageName, int userId) { 18667 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 18668 if (!TextUtils.isEmpty(defaultBrowserPackageName)) { 18669 if (packageName.equals(defaultBrowserPackageName)) { 18670 setDefaultBrowserPackageName(null, userId); 18671 } 18672 } 18673 } 18674 18675 @Override 18676 public void resetApplicationPreferences(int userId) { 18677 mContext.enforceCallingOrSelfPermission( 18678 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 18679 final long identity = Binder.clearCallingIdentity(); 18680 // writer 18681 try { 18682 synchronized (mPackages) { 18683 clearPackagePreferredActivitiesLPw(null, userId); 18684 mSettings.applyDefaultPreferredAppsLPw(this, userId); 18685 // TODO: We have to reset the default SMS and Phone. This requires 18686 // significant refactoring to keep all default apps in the package 18687 // manager (cleaner but more work) or have the services provide 18688 // callbacks to the package manager to request a default app reset. 18689 applyFactoryDefaultBrowserLPw(userId); 18690 clearIntentFilterVerificationsLPw(userId); 18691 primeDomainVerificationsLPw(userId); 18692 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 18693 scheduleWritePackageRestrictionsLocked(userId); 18694 } 18695 resetNetworkPolicies(userId); 18696 } finally { 18697 Binder.restoreCallingIdentity(identity); 18698 } 18699 } 18700 18701 @Override 18702 public int getPreferredActivities(List<IntentFilter> outFilters, 18703 List<ComponentName> outActivities, String packageName) { 18704 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 18705 return 0; 18706 } 18707 int num = 0; 18708 final int userId = UserHandle.getCallingUserId(); 18709 // reader 18710 synchronized (mPackages) { 18711 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 18712 if (pir != null) { 18713 final Iterator<PreferredActivity> it = pir.filterIterator(); 18714 while (it.hasNext()) { 18715 final PreferredActivity pa = it.next(); 18716 if (packageName == null 18717 || (pa.mPref.mComponent.getPackageName().equals(packageName) 18718 && pa.mPref.mAlways)) { 18719 if (outFilters != null) { 18720 outFilters.add(new IntentFilter(pa)); 18721 } 18722 if (outActivities != null) { 18723 outActivities.add(pa.mPref.mComponent); 18724 } 18725 } 18726 } 18727 } 18728 } 18729 18730 return num; 18731 } 18732 18733 @Override 18734 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 18735 int userId) { 18736 int callingUid = Binder.getCallingUid(); 18737 if (callingUid != Process.SYSTEM_UID) { 18738 throw new SecurityException( 18739 "addPersistentPreferredActivity can only be run by the system"); 18740 } 18741 if (filter.countActions() == 0) { 18742 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 18743 return; 18744 } 18745 synchronized (mPackages) { 18746 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 18747 ":"); 18748 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 18749 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 18750 new PersistentPreferredActivity(filter, activity)); 18751 scheduleWritePackageRestrictionsLocked(userId); 18752 postPreferredActivityChangedBroadcast(userId); 18753 } 18754 } 18755 18756 @Override 18757 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 18758 int callingUid = Binder.getCallingUid(); 18759 if (callingUid != Process.SYSTEM_UID) { 18760 throw new SecurityException( 18761 "clearPackagePersistentPreferredActivities can only be run by the system"); 18762 } 18763 ArrayList<PersistentPreferredActivity> removed = null; 18764 boolean changed = false; 18765 synchronized (mPackages) { 18766 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 18767 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 18768 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 18769 .valueAt(i); 18770 if (userId != thisUserId) { 18771 continue; 18772 } 18773 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 18774 while (it.hasNext()) { 18775 PersistentPreferredActivity ppa = it.next(); 18776 // Mark entry for removal only if it matches the package name. 18777 if (ppa.mComponent.getPackageName().equals(packageName)) { 18778 if (removed == null) { 18779 removed = new ArrayList<PersistentPreferredActivity>(); 18780 } 18781 removed.add(ppa); 18782 } 18783 } 18784 if (removed != null) { 18785 for (int j=0; j<removed.size(); j++) { 18786 PersistentPreferredActivity ppa = removed.get(j); 18787 ppir.removeFilter(ppa); 18788 } 18789 changed = true; 18790 } 18791 } 18792 18793 if (changed) { 18794 scheduleWritePackageRestrictionsLocked(userId); 18795 postPreferredActivityChangedBroadcast(userId); 18796 } 18797 } 18798 } 18799 18800 /** 18801 * Common machinery for picking apart a restored XML blob and passing 18802 * it to a caller-supplied functor to be applied to the running system. 18803 */ 18804 private void restoreFromXml(XmlPullParser parser, int userId, 18805 String expectedStartTag, BlobXmlRestorer functor) 18806 throws IOException, XmlPullParserException { 18807 int type; 18808 while ((type = parser.next()) != XmlPullParser.START_TAG 18809 && type != XmlPullParser.END_DOCUMENT) { 18810 } 18811 if (type != XmlPullParser.START_TAG) { 18812 // oops didn't find a start tag?! 18813 if (DEBUG_BACKUP) { 18814 Slog.e(TAG, "Didn't find start tag during restore"); 18815 } 18816 return; 18817 } 18818Slog.v(TAG, ":: restoreFromXml() : got to tag " + parser.getName()); 18819 // this is supposed to be TAG_PREFERRED_BACKUP 18820 if (!expectedStartTag.equals(parser.getName())) { 18821 if (DEBUG_BACKUP) { 18822 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 18823 } 18824 return; 18825 } 18826 18827 // skip interfering stuff, then we're aligned with the backing implementation 18828 while ((type = parser.next()) == XmlPullParser.TEXT) { } 18829Slog.v(TAG, ":: stepped forward, applying functor at tag " + parser.getName()); 18830 functor.apply(parser, userId); 18831 } 18832 18833 private interface BlobXmlRestorer { 18834 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 18835 } 18836 18837 /** 18838 * Non-Binder method, support for the backup/restore mechanism: write the 18839 * full set of preferred activities in its canonical XML format. Returns the 18840 * XML output as a byte array, or null if there is none. 18841 */ 18842 @Override 18843 public byte[] getPreferredActivityBackup(int userId) { 18844 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 18845 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 18846 } 18847 18848 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 18849 try { 18850 final XmlSerializer serializer = new FastXmlSerializer(); 18851 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 18852 serializer.startDocument(null, true); 18853 serializer.startTag(null, TAG_PREFERRED_BACKUP); 18854 18855 synchronized (mPackages) { 18856 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 18857 } 18858 18859 serializer.endTag(null, TAG_PREFERRED_BACKUP); 18860 serializer.endDocument(); 18861 serializer.flush(); 18862 } catch (Exception e) { 18863 if (DEBUG_BACKUP) { 18864 Slog.e(TAG, "Unable to write preferred activities for backup", e); 18865 } 18866 return null; 18867 } 18868 18869 return dataStream.toByteArray(); 18870 } 18871 18872 @Override 18873 public void restorePreferredActivities(byte[] backup, int userId) { 18874 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 18875 throw new SecurityException("Only the system may call restorePreferredActivities()"); 18876 } 18877 18878 try { 18879 final XmlPullParser parser = Xml.newPullParser(); 18880 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 18881 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 18882 new BlobXmlRestorer() { 18883 @Override 18884 public void apply(XmlPullParser parser, int userId) 18885 throws XmlPullParserException, IOException { 18886 synchronized (mPackages) { 18887 mSettings.readPreferredActivitiesLPw(parser, userId); 18888 } 18889 } 18890 } ); 18891 } catch (Exception e) { 18892 if (DEBUG_BACKUP) { 18893 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 18894 } 18895 } 18896 } 18897 18898 /** 18899 * Non-Binder method, support for the backup/restore mechanism: write the 18900 * default browser (etc) settings in its canonical XML format. Returns the default 18901 * browser XML representation as a byte array, or null if there is none. 18902 */ 18903 @Override 18904 public byte[] getDefaultAppsBackup(int userId) { 18905 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 18906 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 18907 } 18908 18909 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 18910 try { 18911 final XmlSerializer serializer = new FastXmlSerializer(); 18912 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 18913 serializer.startDocument(null, true); 18914 serializer.startTag(null, TAG_DEFAULT_APPS); 18915 18916 synchronized (mPackages) { 18917 mSettings.writeDefaultAppsLPr(serializer, userId); 18918 } 18919 18920 serializer.endTag(null, TAG_DEFAULT_APPS); 18921 serializer.endDocument(); 18922 serializer.flush(); 18923 } catch (Exception e) { 18924 if (DEBUG_BACKUP) { 18925 Slog.e(TAG, "Unable to write default apps for backup", e); 18926 } 18927 return null; 18928 } 18929 18930 return dataStream.toByteArray(); 18931 } 18932 18933 @Override 18934 public void restoreDefaultApps(byte[] backup, int userId) { 18935 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 18936 throw new SecurityException("Only the system may call restoreDefaultApps()"); 18937 } 18938 18939 try { 18940 final XmlPullParser parser = Xml.newPullParser(); 18941 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 18942 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 18943 new BlobXmlRestorer() { 18944 @Override 18945 public void apply(XmlPullParser parser, int userId) 18946 throws XmlPullParserException, IOException { 18947 synchronized (mPackages) { 18948 mSettings.readDefaultAppsLPw(parser, userId); 18949 } 18950 } 18951 } ); 18952 } catch (Exception e) { 18953 if (DEBUG_BACKUP) { 18954 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 18955 } 18956 } 18957 } 18958 18959 @Override 18960 public byte[] getIntentFilterVerificationBackup(int userId) { 18961 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 18962 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 18963 } 18964 18965 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 18966 try { 18967 final XmlSerializer serializer = new FastXmlSerializer(); 18968 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 18969 serializer.startDocument(null, true); 18970 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 18971 18972 synchronized (mPackages) { 18973 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 18974 } 18975 18976 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 18977 serializer.endDocument(); 18978 serializer.flush(); 18979 } catch (Exception e) { 18980 if (DEBUG_BACKUP) { 18981 Slog.e(TAG, "Unable to write default apps for backup", e); 18982 } 18983 return null; 18984 } 18985 18986 return dataStream.toByteArray(); 18987 } 18988 18989 @Override 18990 public void restoreIntentFilterVerification(byte[] backup, int userId) { 18991 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 18992 throw new SecurityException("Only the system may call restorePreferredActivities()"); 18993 } 18994 18995 try { 18996 final XmlPullParser parser = Xml.newPullParser(); 18997 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 18998 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 18999 new BlobXmlRestorer() { 19000 @Override 19001 public void apply(XmlPullParser parser, int userId) 19002 throws XmlPullParserException, IOException { 19003 synchronized (mPackages) { 19004 mSettings.readAllDomainVerificationsLPr(parser, userId); 19005 mSettings.writeLPr(); 19006 } 19007 } 19008 } ); 19009 } catch (Exception e) { 19010 if (DEBUG_BACKUP) { 19011 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19012 } 19013 } 19014 } 19015 19016 @Override 19017 public byte[] getPermissionGrantBackup(int userId) { 19018 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19019 throw new SecurityException("Only the system may call getPermissionGrantBackup()"); 19020 } 19021 19022 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 19023 try { 19024 final XmlSerializer serializer = new FastXmlSerializer(); 19025 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 19026 serializer.startDocument(null, true); 19027 serializer.startTag(null, TAG_PERMISSION_BACKUP); 19028 19029 synchronized (mPackages) { 19030 serializeRuntimePermissionGrantsLPr(serializer, userId); 19031 } 19032 19033 serializer.endTag(null, TAG_PERMISSION_BACKUP); 19034 serializer.endDocument(); 19035 serializer.flush(); 19036 } catch (Exception e) { 19037 if (DEBUG_BACKUP) { 19038 Slog.e(TAG, "Unable to write default apps for backup", e); 19039 } 19040 return null; 19041 } 19042 19043 return dataStream.toByteArray(); 19044 } 19045 19046 @Override 19047 public void restorePermissionGrants(byte[] backup, int userId) { 19048 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 19049 throw new SecurityException("Only the system may call restorePermissionGrants()"); 19050 } 19051 19052 try { 19053 final XmlPullParser parser = Xml.newPullParser(); 19054 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 19055 restoreFromXml(parser, userId, TAG_PERMISSION_BACKUP, 19056 new BlobXmlRestorer() { 19057 @Override 19058 public void apply(XmlPullParser parser, int userId) 19059 throws XmlPullParserException, IOException { 19060 synchronized (mPackages) { 19061 processRestoredPermissionGrantsLPr(parser, userId); 19062 } 19063 } 19064 } ); 19065 } catch (Exception e) { 19066 if (DEBUG_BACKUP) { 19067 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 19068 } 19069 } 19070 } 19071 19072 private void serializeRuntimePermissionGrantsLPr(XmlSerializer serializer, final int userId) 19073 throws IOException { 19074 serializer.startTag(null, TAG_ALL_GRANTS); 19075 19076 final int N = mSettings.mPackages.size(); 19077 for (int i = 0; i < N; i++) { 19078 final PackageSetting ps = mSettings.mPackages.valueAt(i); 19079 boolean pkgGrantsKnown = false; 19080 19081 PermissionsState packagePerms = ps.getPermissionsState(); 19082 19083 for (PermissionState state : packagePerms.getRuntimePermissionStates(userId)) { 19084 final int grantFlags = state.getFlags(); 19085 // only look at grants that are not system/policy fixed 19086 if ((grantFlags & SYSTEM_RUNTIME_GRANT_MASK) == 0) { 19087 final boolean isGranted = state.isGranted(); 19088 // And only back up the user-twiddled state bits 19089 if (isGranted || (grantFlags & USER_RUNTIME_GRANT_MASK) != 0) { 19090 final String packageName = mSettings.mPackages.keyAt(i); 19091 if (!pkgGrantsKnown) { 19092 serializer.startTag(null, TAG_GRANT); 19093 serializer.attribute(null, ATTR_PACKAGE_NAME, packageName); 19094 pkgGrantsKnown = true; 19095 } 19096 19097 final boolean userSet = 19098 (grantFlags & FLAG_PERMISSION_USER_SET) != 0; 19099 final boolean userFixed = 19100 (grantFlags & FLAG_PERMISSION_USER_FIXED) != 0; 19101 final boolean revoke = 19102 (grantFlags & FLAG_PERMISSION_REVOKE_ON_UPGRADE) != 0; 19103 19104 serializer.startTag(null, TAG_PERMISSION); 19105 serializer.attribute(null, ATTR_PERMISSION_NAME, state.getName()); 19106 if (isGranted) { 19107 serializer.attribute(null, ATTR_IS_GRANTED, "true"); 19108 } 19109 if (userSet) { 19110 serializer.attribute(null, ATTR_USER_SET, "true"); 19111 } 19112 if (userFixed) { 19113 serializer.attribute(null, ATTR_USER_FIXED, "true"); 19114 } 19115 if (revoke) { 19116 serializer.attribute(null, ATTR_REVOKE_ON_UPGRADE, "true"); 19117 } 19118 serializer.endTag(null, TAG_PERMISSION); 19119 } 19120 } 19121 } 19122 19123 if (pkgGrantsKnown) { 19124 serializer.endTag(null, TAG_GRANT); 19125 } 19126 } 19127 19128 serializer.endTag(null, TAG_ALL_GRANTS); 19129 } 19130 19131 private void processRestoredPermissionGrantsLPr(XmlPullParser parser, int userId) 19132 throws XmlPullParserException, IOException { 19133 String pkgName = null; 19134 int outerDepth = parser.getDepth(); 19135 int type; 19136 while ((type = parser.next()) != XmlPullParser.END_DOCUMENT 19137 && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) { 19138 if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) { 19139 continue; 19140 } 19141 19142 final String tagName = parser.getName(); 19143 if (tagName.equals(TAG_GRANT)) { 19144 pkgName = parser.getAttributeValue(null, ATTR_PACKAGE_NAME); 19145 if (DEBUG_BACKUP) { 19146 Slog.v(TAG, "+++ Restoring grants for package " + pkgName); 19147 } 19148 } else if (tagName.equals(TAG_PERMISSION)) { 19149 19150 final boolean isGranted = "true".equals(parser.getAttributeValue(null, ATTR_IS_GRANTED)); 19151 final String permName = parser.getAttributeValue(null, ATTR_PERMISSION_NAME); 19152 19153 int newFlagSet = 0; 19154 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_SET))) { 19155 newFlagSet |= FLAG_PERMISSION_USER_SET; 19156 } 19157 if ("true".equals(parser.getAttributeValue(null, ATTR_USER_FIXED))) { 19158 newFlagSet |= FLAG_PERMISSION_USER_FIXED; 19159 } 19160 if ("true".equals(parser.getAttributeValue(null, ATTR_REVOKE_ON_UPGRADE))) { 19161 newFlagSet |= FLAG_PERMISSION_REVOKE_ON_UPGRADE; 19162 } 19163 if (DEBUG_BACKUP) { 19164 Slog.v(TAG, " + Restoring grant:" 19165 + " pkg=" + pkgName 19166 + " perm=" + permName 19167 + " granted=" + isGranted 19168 + " bits=0x" + Integer.toHexString(newFlagSet)); 19169 } 19170 final PackageSetting ps = mSettings.mPackages.get(pkgName); 19171 if (ps != null) { 19172 // Already installed so we apply the grant immediately 19173 if (DEBUG_BACKUP) { 19174 Slog.v(TAG, " + already installed; applying"); 19175 } 19176 PermissionsState perms = ps.getPermissionsState(); 19177 BasePermission bp = 19178 (BasePermission) mPermissionManager.getPermissionTEMP(permName); 19179 if (bp != null) { 19180 if (isGranted) { 19181 perms.grantRuntimePermission(bp, userId); 19182 } 19183 if (newFlagSet != 0) { 19184 perms.updatePermissionFlags( 19185 bp, userId, USER_RUNTIME_GRANT_MASK, newFlagSet); 19186 } 19187 } 19188 } else { 19189 // Need to wait for post-restore install to apply the grant 19190 if (DEBUG_BACKUP) { 19191 Slog.v(TAG, " - not yet installed; saving for later"); 19192 } 19193 mSettings.processRestoredPermissionGrantLPr(pkgName, permName, 19194 isGranted, newFlagSet, userId); 19195 } 19196 } else { 19197 PackageManagerService.reportSettingsProblem(Log.WARN, 19198 "Unknown element under <" + TAG_PERMISSION_BACKUP + ">: " + tagName); 19199 XmlUtils.skipCurrentTag(parser); 19200 } 19201 } 19202 19203 scheduleWriteSettingsLocked(); 19204 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 19205 } 19206 19207 @Override 19208 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 19209 int sourceUserId, int targetUserId, int flags) { 19210 mContext.enforceCallingOrSelfPermission( 19211 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 19212 int callingUid = Binder.getCallingUid(); 19213 enforceOwnerRights(ownerPackage, callingUid); 19214 PackageManagerServiceUtils.enforceShellRestriction( 19215 UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 19216 if (intentFilter.countActions() == 0) { 19217 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 19218 return; 19219 } 19220 synchronized (mPackages) { 19221 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 19222 ownerPackage, targetUserId, flags); 19223 CrossProfileIntentResolver resolver = 19224 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 19225 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 19226 // We have all those whose filter is equal. Now checking if the rest is equal as well. 19227 if (existing != null) { 19228 int size = existing.size(); 19229 for (int i = 0; i < size; i++) { 19230 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 19231 return; 19232 } 19233 } 19234 } 19235 resolver.addFilter(newFilter); 19236 scheduleWritePackageRestrictionsLocked(sourceUserId); 19237 } 19238 } 19239 19240 @Override 19241 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 19242 mContext.enforceCallingOrSelfPermission( 19243 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 19244 final int callingUid = Binder.getCallingUid(); 19245 enforceOwnerRights(ownerPackage, callingUid); 19246 PackageManagerServiceUtils.enforceShellRestriction( 19247 UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 19248 synchronized (mPackages) { 19249 CrossProfileIntentResolver resolver = 19250 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 19251 ArraySet<CrossProfileIntentFilter> set = 19252 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 19253 for (CrossProfileIntentFilter filter : set) { 19254 if (filter.getOwnerPackage().equals(ownerPackage)) { 19255 resolver.removeFilter(filter); 19256 } 19257 } 19258 scheduleWritePackageRestrictionsLocked(sourceUserId); 19259 } 19260 } 19261 19262 // Enforcing that callingUid is owning pkg on userId 19263 private void enforceOwnerRights(String pkg, int callingUid) { 19264 // The system owns everything. 19265 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 19266 return; 19267 } 19268 final int callingUserId = UserHandle.getUserId(callingUid); 19269 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 19270 if (pi == null) { 19271 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 19272 + callingUserId); 19273 } 19274 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 19275 throw new SecurityException("Calling uid " + callingUid 19276 + " does not own package " + pkg); 19277 } 19278 } 19279 19280 @Override 19281 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 19282 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 19283 return null; 19284 } 19285 return getHomeActivitiesAsUser(allHomeCandidates, UserHandle.getCallingUserId()); 19286 } 19287 19288 public void sendSessionCommitBroadcast(PackageInstaller.SessionInfo sessionInfo, int userId) { 19289 UserManagerService ums = UserManagerService.getInstance(); 19290 if (ums != null) { 19291 final UserInfo parent = ums.getProfileParent(userId); 19292 final int launcherUid = (parent != null) ? parent.id : userId; 19293 final ComponentName launcherComponent = getDefaultHomeActivity(launcherUid); 19294 if (launcherComponent != null) { 19295 Intent launcherIntent = new Intent(PackageInstaller.ACTION_SESSION_COMMITTED) 19296 .putExtra(PackageInstaller.EXTRA_SESSION, sessionInfo) 19297 .putExtra(Intent.EXTRA_USER, UserHandle.of(userId)) 19298 .setPackage(launcherComponent.getPackageName()); 19299 mContext.sendBroadcastAsUser(launcherIntent, UserHandle.of(launcherUid)); 19300 } 19301 } 19302 } 19303 19304 /** 19305 * Report the 'Home' activity which is currently set as "always use this one". If non is set 19306 * then reports the most likely home activity or null if there are more than one. 19307 */ 19308 private ComponentName getDefaultHomeActivity(int userId) { 19309 List<ResolveInfo> allHomeCandidates = new ArrayList<>(); 19310 ComponentName cn = getHomeActivitiesAsUser(allHomeCandidates, userId); 19311 if (cn != null) { 19312 return cn; 19313 } 19314 19315 // Find the launcher with the highest priority and return that component if there are no 19316 // other home activity with the same priority. 19317 int lastPriority = Integer.MIN_VALUE; 19318 ComponentName lastComponent = null; 19319 final int size = allHomeCandidates.size(); 19320 for (int i = 0; i < size; i++) { 19321 final ResolveInfo ri = allHomeCandidates.get(i); 19322 if (ri.priority > lastPriority) { 19323 lastComponent = ri.activityInfo.getComponentName(); 19324 lastPriority = ri.priority; 19325 } else if (ri.priority == lastPriority) { 19326 // Two components found with same priority. 19327 lastComponent = null; 19328 } 19329 } 19330 return lastComponent; 19331 } 19332 19333 private Intent getHomeIntent() { 19334 Intent intent = new Intent(Intent.ACTION_MAIN); 19335 intent.addCategory(Intent.CATEGORY_HOME); 19336 intent.addCategory(Intent.CATEGORY_DEFAULT); 19337 return intent; 19338 } 19339 19340 private IntentFilter getHomeFilter() { 19341 IntentFilter filter = new IntentFilter(Intent.ACTION_MAIN); 19342 filter.addCategory(Intent.CATEGORY_HOME); 19343 filter.addCategory(Intent.CATEGORY_DEFAULT); 19344 return filter; 19345 } 19346 19347 ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 19348 int userId) { 19349 Intent intent = getHomeIntent(); 19350 List<ResolveInfo> list = queryIntentActivitiesInternal(intent, null, 19351 PackageManager.GET_META_DATA, userId); 19352 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 19353 true, false, false, userId); 19354 19355 allHomeCandidates.clear(); 19356 if (list != null) { 19357 for (ResolveInfo ri : list) { 19358 allHomeCandidates.add(ri); 19359 } 19360 } 19361 return (preferred == null || preferred.activityInfo == null) 19362 ? null 19363 : new ComponentName(preferred.activityInfo.packageName, 19364 preferred.activityInfo.name); 19365 } 19366 19367 @Override 19368 public void setHomeActivity(ComponentName comp, int userId) { 19369 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 19370 return; 19371 } 19372 ArrayList<ResolveInfo> homeActivities = new ArrayList<>(); 19373 getHomeActivitiesAsUser(homeActivities, userId); 19374 19375 boolean found = false; 19376 19377 final int size = homeActivities.size(); 19378 final ComponentName[] set = new ComponentName[size]; 19379 for (int i = 0; i < size; i++) { 19380 final ResolveInfo candidate = homeActivities.get(i); 19381 final ActivityInfo info = candidate.activityInfo; 19382 final ComponentName activityName = new ComponentName(info.packageName, info.name); 19383 set[i] = activityName; 19384 if (!found && activityName.equals(comp)) { 19385 found = true; 19386 } 19387 } 19388 if (!found) { 19389 throw new IllegalArgumentException("Component " + comp + " cannot be home on user " 19390 + userId); 19391 } 19392 replacePreferredActivity(getHomeFilter(), IntentFilter.MATCH_CATEGORY_EMPTY, 19393 set, comp, userId); 19394 } 19395 19396 private @Nullable String getSetupWizardPackageName() { 19397 final Intent intent = new Intent(Intent.ACTION_MAIN); 19398 intent.addCategory(Intent.CATEGORY_SETUP_WIZARD); 19399 19400 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 19401 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 19402 | MATCH_DISABLED_COMPONENTS, 19403 UserHandle.myUserId()); 19404 if (matches.size() == 1) { 19405 return matches.get(0).getComponentInfo().packageName; 19406 } else { 19407 Slog.e(TAG, "There should probably be exactly one setup wizard; found " + matches.size() 19408 + ": matches=" + matches); 19409 return null; 19410 } 19411 } 19412 19413 private @Nullable String getStorageManagerPackageName() { 19414 final Intent intent = new Intent(StorageManager.ACTION_MANAGE_STORAGE); 19415 19416 final List<ResolveInfo> matches = queryIntentActivitiesInternal(intent, null, 19417 MATCH_SYSTEM_ONLY | MATCH_DIRECT_BOOT_AWARE | MATCH_DIRECT_BOOT_UNAWARE 19418 | MATCH_DISABLED_COMPONENTS, 19419 UserHandle.myUserId()); 19420 if (matches.size() == 1) { 19421 return matches.get(0).getComponentInfo().packageName; 19422 } else { 19423 Slog.e(TAG, "There should probably be exactly one storage manager; found " 19424 + matches.size() + ": matches=" + matches); 19425 return null; 19426 } 19427 } 19428 19429 @Override 19430 public void setApplicationEnabledSetting(String appPackageName, 19431 int newState, int flags, int userId, String callingPackage) { 19432 if (!sUserManager.exists(userId)) return; 19433 if (callingPackage == null) { 19434 callingPackage = Integer.toString(Binder.getCallingUid()); 19435 } 19436 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 19437 } 19438 19439 @Override 19440 public void setUpdateAvailable(String packageName, boolean updateAvailable) { 19441 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 19442 synchronized (mPackages) { 19443 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 19444 if (pkgSetting != null) { 19445 pkgSetting.setUpdateAvailable(updateAvailable); 19446 } 19447 } 19448 } 19449 19450 @Override 19451 public void setComponentEnabledSetting(ComponentName componentName, 19452 int newState, int flags, int userId) { 19453 if (!sUserManager.exists(userId)) return; 19454 setEnabledSetting(componentName.getPackageName(), 19455 componentName.getClassName(), newState, flags, userId, null); 19456 } 19457 19458 private void setEnabledSetting(final String packageName, String className, int newState, 19459 final int flags, int userId, String callingPackage) { 19460 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 19461 || newState == COMPONENT_ENABLED_STATE_ENABLED 19462 || newState == COMPONENT_ENABLED_STATE_DISABLED 19463 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 19464 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 19465 throw new IllegalArgumentException("Invalid new component state: " 19466 + newState); 19467 } 19468 PackageSetting pkgSetting; 19469 final int callingUid = Binder.getCallingUid(); 19470 final int permission; 19471 if (callingUid == Process.SYSTEM_UID) { 19472 permission = PackageManager.PERMISSION_GRANTED; 19473 } else { 19474 permission = mContext.checkCallingOrSelfPermission( 19475 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 19476 } 19477 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 19478 false /* requireFullPermission */, true /* checkShell */, "set enabled"); 19479 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 19480 boolean sendNow = false; 19481 boolean isApp = (className == null); 19482 final boolean isCallerInstantApp = (getInstantAppPackageName(callingUid) != null); 19483 String componentName = isApp ? packageName : className; 19484 int packageUid = -1; 19485 ArrayList<String> components; 19486 19487 // reader 19488 synchronized (mPackages) { 19489 pkgSetting = mSettings.mPackages.get(packageName); 19490 if (pkgSetting == null) { 19491 if (!isCallerInstantApp) { 19492 if (className == null) { 19493 throw new IllegalArgumentException("Unknown package: " + packageName); 19494 } 19495 throw new IllegalArgumentException( 19496 "Unknown component: " + packageName + "/" + className); 19497 } else { 19498 // throw SecurityException to prevent leaking package information 19499 throw new SecurityException( 19500 "Attempt to change component state; " 19501 + "pid=" + Binder.getCallingPid() 19502 + ", uid=" + callingUid 19503 + (className == null 19504 ? ", package=" + packageName 19505 : ", component=" + packageName + "/" + className)); 19506 } 19507 } 19508 } 19509 19510 // Limit who can change which apps 19511 if (!UserHandle.isSameApp(callingUid, pkgSetting.appId)) { 19512 // Don't allow apps that don't have permission to modify other apps 19513 if (!allowedByPermission 19514 || filterAppAccessLPr(pkgSetting, callingUid, userId)) { 19515 throw new SecurityException( 19516 "Attempt to change component state; " 19517 + "pid=" + Binder.getCallingPid() 19518 + ", uid=" + callingUid 19519 + (className == null 19520 ? ", package=" + packageName 19521 : ", component=" + packageName + "/" + className)); 19522 } 19523 // Don't allow changing protected packages. 19524 if (mProtectedPackages.isPackageStateProtected(userId, packageName)) { 19525 throw new SecurityException("Cannot disable a protected package: " + packageName); 19526 } 19527 } 19528 19529 synchronized (mPackages) { 19530 if (callingUid == Process.SHELL_UID 19531 && (pkgSetting.pkgFlags & ApplicationInfo.FLAG_TEST_ONLY) == 0) { 19532 // Shell can only change whole packages between ENABLED and DISABLED_USER states 19533 // unless it is a test package. 19534 int oldState = pkgSetting.getEnabled(userId); 19535 if (className == null 19536 && 19537 (oldState == COMPONENT_ENABLED_STATE_DISABLED_USER 19538 || oldState == COMPONENT_ENABLED_STATE_DEFAULT 19539 || oldState == COMPONENT_ENABLED_STATE_ENABLED) 19540 && 19541 (newState == COMPONENT_ENABLED_STATE_DISABLED_USER 19542 || newState == COMPONENT_ENABLED_STATE_DEFAULT 19543 || newState == COMPONENT_ENABLED_STATE_ENABLED)) { 19544 // ok 19545 } else { 19546 throw new SecurityException( 19547 "Shell cannot change component state for " + packageName + "/" 19548 + className + " to " + newState); 19549 } 19550 } 19551 } 19552 if (className == null) { 19553 // We're dealing with an application/package level state change 19554 synchronized (mPackages) { 19555 if (pkgSetting.getEnabled(userId) == newState) { 19556 // Nothing to do 19557 return; 19558 } 19559 } 19560 // If we're enabling a system stub, there's a little more work to do. 19561 // Prior to enabling the package, we need to decompress the APK(s) to the 19562 // data partition and then replace the version on the system partition. 19563 final PackageParser.Package deletedPkg = pkgSetting.pkg; 19564 final boolean isSystemStub = deletedPkg.isStub 19565 && deletedPkg.isSystem(); 19566 if (isSystemStub 19567 && (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 19568 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED)) { 19569 final File codePath = decompressPackage(deletedPkg); 19570 if (codePath == null) { 19571 Slog.e(TAG, "couldn't decompress pkg: " + pkgSetting.name); 19572 return; 19573 } 19574 // TODO remove direct parsing of the package object during internal cleanup 19575 // of scan package 19576 // We need to call parse directly here for no other reason than we need 19577 // the new package in order to disable the old one [we use the information 19578 // for some internal optimization to optionally create a new package setting 19579 // object on replace]. However, we can't get the package from the scan 19580 // because the scan modifies live structures and we need to remove the 19581 // old [system] package from the system before a scan can be attempted. 19582 // Once scan is indempotent we can remove this parse and use the package 19583 // object we scanned, prior to adding it to package settings. 19584 final PackageParser pp = new PackageParser(); 19585 pp.setSeparateProcesses(mSeparateProcesses); 19586 pp.setDisplayMetrics(mMetrics); 19587 pp.setCallback(mPackageParserCallback); 19588 final PackageParser.Package tmpPkg; 19589 try { 19590 final int parseFlags = mDefParseFlags 19591 | PackageParser.PARSE_MUST_BE_APK 19592 | PackageParser.PARSE_IS_SYSTEM 19593 | PackageParser.PARSE_IS_SYSTEM_DIR; 19594 tmpPkg = pp.parsePackage(codePath, parseFlags); 19595 } catch (PackageParserException e) { 19596 Slog.w(TAG, "Failed to parse compressed system package:" + pkgSetting.name, e); 19597 return; 19598 } 19599 synchronized (mInstallLock) { 19600 // Disable the stub and remove any package entries 19601 removePackageLI(deletedPkg, true); 19602 synchronized (mPackages) { 19603 disableSystemPackageLPw(deletedPkg, tmpPkg); 19604 } 19605 final PackageParser.Package pkg; 19606 try (PackageFreezer freezer = 19607 freezePackage(deletedPkg.packageName, "setEnabledSetting")) { 19608 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 19609 | PackageParser.PARSE_ENFORCE_CODE; 19610 pkg = scanPackageTracedLI(codePath, parseFlags, 0 /*scanFlags*/, 19611 0 /*currentTime*/, null /*user*/); 19612 prepareAppDataAfterInstallLIF(pkg); 19613 synchronized (mPackages) { 19614 try { 19615 updateSharedLibrariesLPr(pkg, null); 19616 } catch (PackageManagerException e) { 19617 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: ", e); 19618 } 19619 mPermissionManager.updatePermissions( 19620 pkg.packageName, pkg, true, mPackages.values(), 19621 mPermissionCallback); 19622 mSettings.writeLPr(); 19623 } 19624 } catch (PackageManagerException e) { 19625 // Whoops! Something went wrong; try to roll back to the stub 19626 Slog.w(TAG, "Failed to install compressed system package:" 19627 + pkgSetting.name, e); 19628 // Remove the failed install 19629 removeCodePathLI(codePath); 19630 19631 // Install the system package 19632 try (PackageFreezer freezer = 19633 freezePackage(deletedPkg.packageName, "setEnabledSetting")) { 19634 synchronized (mPackages) { 19635 // NOTE: The system package always needs to be enabled; even 19636 // if it's for a compressed stub. If we don't, installing the 19637 // system package fails during scan [scanning checks the disabled 19638 // packages]. We will reverse this later, after we've "installed" 19639 // the stub. 19640 // This leaves us in a fragile state; the stub should never be 19641 // enabled, so, cross your fingers and hope nothing goes wrong 19642 // until we can disable the package later. 19643 enableSystemPackageLPw(deletedPkg); 19644 } 19645 installPackageFromSystemLIF(new File(deletedPkg.codePath), 19646 false /*isPrivileged*/, null /*allUserHandles*/, 19647 null /*origUserHandles*/, null /*origPermissionsState*/, 19648 true /*writeSettings*/); 19649 } catch (PackageManagerException pme) { 19650 Slog.w(TAG, "Failed to restore system package:" 19651 + deletedPkg.packageName, pme); 19652 } finally { 19653 synchronized (mPackages) { 19654 mSettings.disableSystemPackageLPw( 19655 deletedPkg.packageName, true /*replaced*/); 19656 mSettings.writeLPr(); 19657 } 19658 } 19659 return; 19660 } 19661 clearAppDataLIF(pkg, UserHandle.USER_ALL, FLAG_STORAGE_DE 19662 | FLAG_STORAGE_CE | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 19663 clearAppProfilesLIF(pkg, UserHandle.USER_ALL); 19664 mDexManager.notifyPackageUpdated(pkg.packageName, 19665 pkg.baseCodePath, pkg.splitCodePaths); 19666 } 19667 } 19668 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 19669 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 19670 // Don't care about who enables an app. 19671 callingPackage = null; 19672 } 19673 synchronized (mPackages) { 19674 pkgSetting.setEnabled(newState, userId, callingPackage); 19675 } 19676 } else { 19677 synchronized (mPackages) { 19678 // We're dealing with a component level state change 19679 // First, verify that this is a valid class name. 19680 PackageParser.Package pkg = pkgSetting.pkg; 19681 if (pkg == null || !pkg.hasComponentClassName(className)) { 19682 if (pkg != null && 19683 pkg.applicationInfo.targetSdkVersion >= 19684 Build.VERSION_CODES.JELLY_BEAN) { 19685 throw new IllegalArgumentException("Component class " + className 19686 + " does not exist in " + packageName); 19687 } else { 19688 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 19689 + className + " does not exist in " + packageName); 19690 } 19691 } 19692 switch (newState) { 19693 case COMPONENT_ENABLED_STATE_ENABLED: 19694 if (!pkgSetting.enableComponentLPw(className, userId)) { 19695 return; 19696 } 19697 break; 19698 case COMPONENT_ENABLED_STATE_DISABLED: 19699 if (!pkgSetting.disableComponentLPw(className, userId)) { 19700 return; 19701 } 19702 break; 19703 case COMPONENT_ENABLED_STATE_DEFAULT: 19704 if (!pkgSetting.restoreComponentLPw(className, userId)) { 19705 return; 19706 } 19707 break; 19708 default: 19709 Slog.e(TAG, "Invalid new component state: " + newState); 19710 return; 19711 } 19712 } 19713 } 19714 synchronized (mPackages) { 19715 scheduleWritePackageRestrictionsLocked(userId); 19716 updateSequenceNumberLP(pkgSetting, new int[] { userId }); 19717 final long callingId = Binder.clearCallingIdentity(); 19718 try { 19719 updateInstantAppInstallerLocked(packageName); 19720 } finally { 19721 Binder.restoreCallingIdentity(callingId); 19722 } 19723 components = mPendingBroadcasts.get(userId, packageName); 19724 final boolean newPackage = components == null; 19725 if (newPackage) { 19726 components = new ArrayList<String>(); 19727 } 19728 if (!components.contains(componentName)) { 19729 components.add(componentName); 19730 } 19731 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 19732 sendNow = true; 19733 // Purge entry from pending broadcast list if another one exists already 19734 // since we are sending one right away. 19735 mPendingBroadcasts.remove(userId, packageName); 19736 } else { 19737 if (newPackage) { 19738 mPendingBroadcasts.put(userId, packageName, components); 19739 } 19740 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 19741 // Schedule a message 19742 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 19743 } 19744 } 19745 } 19746 19747 long callingId = Binder.clearCallingIdentity(); 19748 try { 19749 if (sendNow) { 19750 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 19751 sendPackageChangedBroadcast(packageName, 19752 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 19753 } 19754 } finally { 19755 Binder.restoreCallingIdentity(callingId); 19756 } 19757 } 19758 19759 @Override 19760 public void flushPackageRestrictionsAsUser(int userId) { 19761 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 19762 return; 19763 } 19764 if (!sUserManager.exists(userId)) { 19765 return; 19766 } 19767 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, false /* requireFullPermission*/, 19768 false /* checkShell */, "flushPackageRestrictions"); 19769 synchronized (mPackages) { 19770 mSettings.writePackageRestrictionsLPr(userId); 19771 mDirtyUsers.remove(userId); 19772 if (mDirtyUsers.isEmpty()) { 19773 mHandler.removeMessages(WRITE_PACKAGE_RESTRICTIONS); 19774 } 19775 } 19776 } 19777 19778 private void sendPackageChangedBroadcast(String packageName, 19779 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 19780 if (DEBUG_INSTALL) 19781 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 19782 + componentNames); 19783 Bundle extras = new Bundle(4); 19784 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 19785 String nameList[] = new String[componentNames.size()]; 19786 componentNames.toArray(nameList); 19787 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 19788 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 19789 extras.putInt(Intent.EXTRA_UID, packageUid); 19790 // If this is not reporting a change of the overall package, then only send it 19791 // to registered receivers. We don't want to launch a swath of apps for every 19792 // little component state change. 19793 final int flags = !componentNames.contains(packageName) 19794 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 19795 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 19796 new int[] {UserHandle.getUserId(packageUid)}); 19797 } 19798 19799 @Override 19800 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 19801 if (!sUserManager.exists(userId)) return; 19802 final int callingUid = Binder.getCallingUid(); 19803 if (getInstantAppPackageName(callingUid) != null) { 19804 return; 19805 } 19806 final int permission = mContext.checkCallingOrSelfPermission( 19807 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 19808 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 19809 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 19810 true /* requireFullPermission */, true /* checkShell */, "stop package"); 19811 // writer 19812 synchronized (mPackages) { 19813 final PackageSetting ps = mSettings.mPackages.get(packageName); 19814 if (!filterAppAccessLPr(ps, callingUid, userId) 19815 && mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 19816 allowedByPermission, callingUid, userId)) { 19817 scheduleWritePackageRestrictionsLocked(userId); 19818 } 19819 } 19820 } 19821 19822 @Override 19823 public String getInstallerPackageName(String packageName) { 19824 final int callingUid = Binder.getCallingUid(); 19825 if (getInstantAppPackageName(callingUid) != null) { 19826 return null; 19827 } 19828 // reader 19829 synchronized (mPackages) { 19830 final PackageSetting ps = mSettings.mPackages.get(packageName); 19831 if (filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) { 19832 return null; 19833 } 19834 return mSettings.getInstallerPackageNameLPr(packageName); 19835 } 19836 } 19837 19838 public boolean isOrphaned(String packageName) { 19839 // reader 19840 synchronized (mPackages) { 19841 return mSettings.isOrphaned(packageName); 19842 } 19843 } 19844 19845 @Override 19846 public int getApplicationEnabledSetting(String packageName, int userId) { 19847 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 19848 int callingUid = Binder.getCallingUid(); 19849 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 19850 false /* requireFullPermission */, false /* checkShell */, "get enabled"); 19851 // reader 19852 synchronized (mPackages) { 19853 if (filterAppAccessLPr(mSettings.getPackageLPr(packageName), callingUid, userId)) { 19854 return COMPONENT_ENABLED_STATE_DISABLED; 19855 } 19856 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 19857 } 19858 } 19859 19860 @Override 19861 public int getComponentEnabledSetting(ComponentName component, int userId) { 19862 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 19863 int callingUid = Binder.getCallingUid(); 19864 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 19865 false /*requireFullPermission*/, false /*checkShell*/, "getComponentEnabled"); 19866 synchronized (mPackages) { 19867 if (filterAppAccessLPr(mSettings.getPackageLPr(component.getPackageName()), callingUid, 19868 component, TYPE_UNKNOWN, userId)) { 19869 return COMPONENT_ENABLED_STATE_DISABLED; 19870 } 19871 return mSettings.getComponentEnabledSettingLPr(component, userId); 19872 } 19873 } 19874 19875 @Override 19876 public void enterSafeMode() { 19877 enforceSystemOrRoot("Only the system can request entering safe mode"); 19878 19879 if (!mSystemReady) { 19880 mSafeMode = true; 19881 } 19882 } 19883 19884 @Override 19885 public void systemReady() { 19886 enforceSystemOrRoot("Only the system can claim the system is ready"); 19887 19888 mSystemReady = true; 19889 final ContentResolver resolver = mContext.getContentResolver(); 19890 ContentObserver co = new ContentObserver(mHandler) { 19891 @Override 19892 public void onChange(boolean selfChange) { 19893 mEphemeralAppsDisabled = 19894 (Global.getInt(resolver, Global.ENABLE_EPHEMERAL_FEATURE, 1) == 0) || 19895 (Secure.getInt(resolver, Secure.INSTANT_APPS_ENABLED, 1) == 0); 19896 } 19897 }; 19898 mContext.getContentResolver().registerContentObserver(android.provider.Settings.Global 19899 .getUriFor(Global.ENABLE_EPHEMERAL_FEATURE), 19900 false, co, UserHandle.USER_SYSTEM); 19901 mContext.getContentResolver().registerContentObserver(android.provider.Settings.Global 19902 .getUriFor(Secure.INSTANT_APPS_ENABLED), false, co, UserHandle.USER_SYSTEM); 19903 co.onChange(true); 19904 19905 // This observer provides an one directional mapping from Global.PRIV_APP_OOB_ENABLED to 19906 // pm.dexopt.priv-apps-oob property. This is only for experiment and should be removed once 19907 // it is done. 19908 ContentObserver privAppOobObserver = new ContentObserver(mHandler) { 19909 @Override 19910 public void onChange(boolean selfChange) { 19911 int oobEnabled = Global.getInt(resolver, Global.PRIV_APP_OOB_ENABLED, 0); 19912 SystemProperties.set(PROPERTY_NAME_PM_DEXOPT_PRIV_APPS_OOB, 19913 oobEnabled == 1 ? "true" : "false"); 19914 } 19915 }; 19916 mContext.getContentResolver().registerContentObserver( 19917 Global.getUriFor(Global.PRIV_APP_OOB_ENABLED), false, privAppOobObserver, 19918 UserHandle.USER_SYSTEM); 19919 // At boot, restore the value from the setting, which persists across reboot. 19920 privAppOobObserver.onChange(true); 19921 19922 // Disable any carrier apps. We do this very early in boot to prevent the apps from being 19923 // disabled after already being started. 19924 CarrierAppUtils.disableCarrierAppsUntilPrivileged(mContext.getOpPackageName(), this, 19925 mContext.getContentResolver(), UserHandle.USER_SYSTEM); 19926 19927 // Read the compatibilty setting when the system is ready. 19928 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 19929 mContext.getContentResolver(), 19930 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 19931 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 19932 if (DEBUG_SETTINGS) { 19933 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 19934 } 19935 19936 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 19937 19938 synchronized (mPackages) { 19939 // Verify that all of the preferred activity components actually 19940 // exist. It is possible for applications to be updated and at 19941 // that point remove a previously declared activity component that 19942 // had been set as a preferred activity. We try to clean this up 19943 // the next time we encounter that preferred activity, but it is 19944 // possible for the user flow to never be able to return to that 19945 // situation so here we do a sanity check to make sure we haven't 19946 // left any junk around. 19947 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 19948 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 19949 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 19950 removed.clear(); 19951 for (PreferredActivity pa : pir.filterSet()) { 19952 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 19953 removed.add(pa); 19954 } 19955 } 19956 if (removed.size() > 0) { 19957 for (int r=0; r<removed.size(); r++) { 19958 PreferredActivity pa = removed.get(r); 19959 Slog.w(TAG, "Removing dangling preferred activity: " 19960 + pa.mPref.mComponent); 19961 pir.removeFilter(pa); 19962 } 19963 mSettings.writePackageRestrictionsLPr( 19964 mSettings.mPreferredActivities.keyAt(i)); 19965 } 19966 } 19967 19968 for (int userId : UserManagerService.getInstance().getUserIds()) { 19969 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 19970 grantPermissionsUserIds = ArrayUtils.appendInt( 19971 grantPermissionsUserIds, userId); 19972 } 19973 } 19974 } 19975 sUserManager.systemReady(); 19976 19977 // If we upgraded grant all default permissions before kicking off. 19978 for (int userId : grantPermissionsUserIds) { 19979 mDefaultPermissionPolicy.grantDefaultPermissions(mPackages.values(), userId); 19980 } 19981 19982 if (grantPermissionsUserIds == EMPTY_INT_ARRAY) { 19983 // If we did not grant default permissions, we preload from this the 19984 // default permission exceptions lazily to ensure we don't hit the 19985 // disk on a new user creation. 19986 mDefaultPermissionPolicy.scheduleReadDefaultPermissionExceptions(); 19987 } 19988 19989 // Now that we've scanned all packages, and granted any default 19990 // permissions, ensure permissions are updated. Beware of dragons if you 19991 // try optimizing this. 19992 synchronized (mPackages) { 19993 mPermissionManager.updateAllPermissions( 19994 StorageManager.UUID_PRIVATE_INTERNAL, false, mPackages.values(), 19995 mPermissionCallback); 19996 } 19997 19998 // Kick off any messages waiting for system ready 19999 if (mPostSystemReadyMessages != null) { 20000 for (Message msg : mPostSystemReadyMessages) { 20001 msg.sendToTarget(); 20002 } 20003 mPostSystemReadyMessages = null; 20004 } 20005 20006 // Watch for external volumes that come and go over time 20007 final StorageManager storage = mContext.getSystemService(StorageManager.class); 20008 storage.registerListener(mStorageListener); 20009 20010 mInstallerService.systemReady(); 20011 mPackageDexOptimizer.systemReady(); 20012 20013 StorageManagerInternal StorageManagerInternal = LocalServices.getService( 20014 StorageManagerInternal.class); 20015 StorageManagerInternal.addExternalStoragePolicy( 20016 new StorageManagerInternal.ExternalStorageMountPolicy() { 20017 @Override 20018 public int getMountMode(int uid, String packageName) { 20019 if (Process.isIsolated(uid)) { 20020 return Zygote.MOUNT_EXTERNAL_NONE; 20021 } 20022 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 20023 return Zygote.MOUNT_EXTERNAL_DEFAULT; 20024 } 20025 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 20026 return Zygote.MOUNT_EXTERNAL_DEFAULT; 20027 } 20028 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 20029 return Zygote.MOUNT_EXTERNAL_READ; 20030 } 20031 return Zygote.MOUNT_EXTERNAL_WRITE; 20032 } 20033 20034 @Override 20035 public boolean hasExternalStorage(int uid, String packageName) { 20036 return true; 20037 } 20038 }); 20039 20040 // Now that we're mostly running, clean up stale users and apps 20041 sUserManager.reconcileUsers(StorageManager.UUID_PRIVATE_INTERNAL); 20042 reconcileApps(StorageManager.UUID_PRIVATE_INTERNAL); 20043 20044 mPermissionManager.systemReady(); 20045 } 20046 20047 public void waitForAppDataPrepared() { 20048 if (mPrepareAppDataFuture == null) { 20049 return; 20050 } 20051 ConcurrentUtils.waitForFutureNoInterrupt(mPrepareAppDataFuture, "wait for prepareAppData"); 20052 mPrepareAppDataFuture = null; 20053 } 20054 20055 @Override 20056 public boolean isSafeMode() { 20057 // allow instant applications 20058 return mSafeMode; 20059 } 20060 20061 @Override 20062 public boolean hasSystemUidErrors() { 20063 // allow instant applications 20064 return mHasSystemUidErrors; 20065 } 20066 20067 static String arrayToString(int[] array) { 20068 StringBuffer buf = new StringBuffer(128); 20069 buf.append('['); 20070 if (array != null) { 20071 for (int i=0; i<array.length; i++) { 20072 if (i > 0) buf.append(", "); 20073 buf.append(array[i]); 20074 } 20075 } 20076 buf.append(']'); 20077 return buf.toString(); 20078 } 20079 20080 @Override 20081 public void onShellCommand(FileDescriptor in, FileDescriptor out, 20082 FileDescriptor err, String[] args, ShellCallback callback, 20083 ResultReceiver resultReceiver) { 20084 (new PackageManagerShellCommand(this)).exec( 20085 this, in, out, err, args, callback, resultReceiver); 20086 } 20087 20088 @Override 20089 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 20090 if (!DumpUtils.checkDumpAndUsageStatsPermission(mContext, TAG, pw)) return; 20091 20092 DumpState dumpState = new DumpState(); 20093 boolean fullPreferred = false; 20094 boolean checkin = false; 20095 20096 String packageName = null; 20097 ArraySet<String> permissionNames = null; 20098 20099 int opti = 0; 20100 while (opti < args.length) { 20101 String opt = args[opti]; 20102 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 20103 break; 20104 } 20105 opti++; 20106 20107 if ("-a".equals(opt)) { 20108 // Right now we only know how to print all. 20109 } else if ("-h".equals(opt)) { 20110 pw.println("Package manager dump options:"); 20111 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 20112 pw.println(" --checkin: dump for a checkin"); 20113 pw.println(" -f: print details of intent filters"); 20114 pw.println(" -h: print this help"); 20115 pw.println(" cmd may be one of:"); 20116 pw.println(" l[ibraries]: list known shared libraries"); 20117 pw.println(" f[eatures]: list device features"); 20118 pw.println(" k[eysets]: print known keysets"); 20119 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 20120 pw.println(" perm[issions]: dump permissions"); 20121 pw.println(" permission [name ...]: dump declaration and use of given permission"); 20122 pw.println(" pref[erred]: print preferred package settings"); 20123 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 20124 pw.println(" prov[iders]: dump content providers"); 20125 pw.println(" p[ackages]: dump installed packages"); 20126 pw.println(" s[hared-users]: dump shared user IDs"); 20127 pw.println(" m[essages]: print collected runtime messages"); 20128 pw.println(" v[erifiers]: print package verifier info"); 20129 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 20130 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 20131 pw.println(" version: print database version info"); 20132 pw.println(" write: write current settings now"); 20133 pw.println(" installs: details about install sessions"); 20134 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 20135 pw.println(" dexopt: dump dexopt state"); 20136 pw.println(" compiler-stats: dump compiler statistics"); 20137 pw.println(" enabled-overlays: dump list of enabled overlay packages"); 20138 pw.println(" <package.name>: info about given package"); 20139 return; 20140 } else if ("--checkin".equals(opt)) { 20141 checkin = true; 20142 } else if ("-f".equals(opt)) { 20143 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 20144 } else if ("--proto".equals(opt)) { 20145 dumpProto(fd); 20146 return; 20147 } else { 20148 pw.println("Unknown argument: " + opt + "; use -h for help"); 20149 } 20150 } 20151 20152 // Is the caller requesting to dump a particular piece of data? 20153 if (opti < args.length) { 20154 String cmd = args[opti]; 20155 opti++; 20156 // Is this a package name? 20157 if ("android".equals(cmd) || cmd.contains(".")) { 20158 packageName = cmd; 20159 // When dumping a single package, we always dump all of its 20160 // filter information since the amount of data will be reasonable. 20161 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 20162 } else if ("check-permission".equals(cmd)) { 20163 if (opti >= args.length) { 20164 pw.println("Error: check-permission missing permission argument"); 20165 return; 20166 } 20167 String perm = args[opti]; 20168 opti++; 20169 if (opti >= args.length) { 20170 pw.println("Error: check-permission missing package argument"); 20171 return; 20172 } 20173 20174 String pkg = args[opti]; 20175 opti++; 20176 int user = UserHandle.getUserId(Binder.getCallingUid()); 20177 if (opti < args.length) { 20178 try { 20179 user = Integer.parseInt(args[opti]); 20180 } catch (NumberFormatException e) { 20181 pw.println("Error: check-permission user argument is not a number: " 20182 + args[opti]); 20183 return; 20184 } 20185 } 20186 20187 // Normalize package name to handle renamed packages and static libs 20188 pkg = resolveInternalPackageNameLPr(pkg, PackageManager.VERSION_CODE_HIGHEST); 20189 20190 pw.println(checkPermission(perm, pkg, user)); 20191 return; 20192 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 20193 dumpState.setDump(DumpState.DUMP_LIBS); 20194 } else if ("f".equals(cmd) || "features".equals(cmd)) { 20195 dumpState.setDump(DumpState.DUMP_FEATURES); 20196 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 20197 if (opti >= args.length) { 20198 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 20199 | DumpState.DUMP_SERVICE_RESOLVERS 20200 | DumpState.DUMP_RECEIVER_RESOLVERS 20201 | DumpState.DUMP_CONTENT_RESOLVERS); 20202 } else { 20203 while (opti < args.length) { 20204 String name = args[opti]; 20205 if ("a".equals(name) || "activity".equals(name)) { 20206 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 20207 } else if ("s".equals(name) || "service".equals(name)) { 20208 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 20209 } else if ("r".equals(name) || "receiver".equals(name)) { 20210 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 20211 } else if ("c".equals(name) || "content".equals(name)) { 20212 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 20213 } else { 20214 pw.println("Error: unknown resolver table type: " + name); 20215 return; 20216 } 20217 opti++; 20218 } 20219 } 20220 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 20221 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 20222 } else if ("permission".equals(cmd)) { 20223 if (opti >= args.length) { 20224 pw.println("Error: permission requires permission name"); 20225 return; 20226 } 20227 permissionNames = new ArraySet<>(); 20228 while (opti < args.length) { 20229 permissionNames.add(args[opti]); 20230 opti++; 20231 } 20232 dumpState.setDump(DumpState.DUMP_PERMISSIONS 20233 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 20234 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 20235 dumpState.setDump(DumpState.DUMP_PREFERRED); 20236 } else if ("preferred-xml".equals(cmd)) { 20237 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 20238 if (opti < args.length && "--full".equals(args[opti])) { 20239 fullPreferred = true; 20240 opti++; 20241 } 20242 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 20243 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 20244 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 20245 dumpState.setDump(DumpState.DUMP_PACKAGES); 20246 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 20247 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 20248 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 20249 dumpState.setDump(DumpState.DUMP_PROVIDERS); 20250 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 20251 dumpState.setDump(DumpState.DUMP_MESSAGES); 20252 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 20253 dumpState.setDump(DumpState.DUMP_VERIFIERS); 20254 } else if ("i".equals(cmd) || "ifv".equals(cmd) 20255 || "intent-filter-verifiers".equals(cmd)) { 20256 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 20257 } else if ("version".equals(cmd)) { 20258 dumpState.setDump(DumpState.DUMP_VERSION); 20259 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 20260 dumpState.setDump(DumpState.DUMP_KEYSETS); 20261 } else if ("installs".equals(cmd)) { 20262 dumpState.setDump(DumpState.DUMP_INSTALLS); 20263 } else if ("frozen".equals(cmd)) { 20264 dumpState.setDump(DumpState.DUMP_FROZEN); 20265 } else if ("volumes".equals(cmd)) { 20266 dumpState.setDump(DumpState.DUMP_VOLUMES); 20267 } else if ("dexopt".equals(cmd)) { 20268 dumpState.setDump(DumpState.DUMP_DEXOPT); 20269 } else if ("compiler-stats".equals(cmd)) { 20270 dumpState.setDump(DumpState.DUMP_COMPILER_STATS); 20271 } else if ("changes".equals(cmd)) { 20272 dumpState.setDump(DumpState.DUMP_CHANGES); 20273 } else if ("write".equals(cmd)) { 20274 synchronized (mPackages) { 20275 mSettings.writeLPr(); 20276 pw.println("Settings written."); 20277 return; 20278 } 20279 } 20280 } 20281 20282 if (checkin) { 20283 pw.println("vers,1"); 20284 } 20285 20286 // reader 20287 synchronized (mPackages) { 20288 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 20289 if (!checkin) { 20290 if (dumpState.onTitlePrinted()) 20291 pw.println(); 20292 pw.println("Database versions:"); 20293 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 20294 } 20295 } 20296 20297 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 20298 if (!checkin) { 20299 if (dumpState.onTitlePrinted()) 20300 pw.println(); 20301 pw.println("Verifiers:"); 20302 pw.print(" Required: "); 20303 pw.print(mRequiredVerifierPackage); 20304 pw.print(" (uid="); 20305 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 20306 UserHandle.USER_SYSTEM)); 20307 pw.println(")"); 20308 } else if (mRequiredVerifierPackage != null) { 20309 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 20310 pw.print(","); 20311 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 20312 UserHandle.USER_SYSTEM)); 20313 } 20314 } 20315 20316 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 20317 packageName == null) { 20318 if (mIntentFilterVerifierComponent != null) { 20319 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 20320 if (!checkin) { 20321 if (dumpState.onTitlePrinted()) 20322 pw.println(); 20323 pw.println("Intent Filter Verifier:"); 20324 pw.print(" Using: "); 20325 pw.print(verifierPackageName); 20326 pw.print(" (uid="); 20327 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 20328 UserHandle.USER_SYSTEM)); 20329 pw.println(")"); 20330 } else if (verifierPackageName != null) { 20331 pw.print("ifv,"); pw.print(verifierPackageName); 20332 pw.print(","); 20333 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 20334 UserHandle.USER_SYSTEM)); 20335 } 20336 } else { 20337 pw.println(); 20338 pw.println("No Intent Filter Verifier available!"); 20339 } 20340 } 20341 20342 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 20343 boolean printedHeader = false; 20344 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 20345 while (it.hasNext()) { 20346 String libName = it.next(); 20347 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(libName); 20348 if (versionedLib == null) { 20349 continue; 20350 } 20351 final int versionCount = versionedLib.size(); 20352 for (int i = 0; i < versionCount; i++) { 20353 SharedLibraryEntry libEntry = versionedLib.valueAt(i); 20354 if (!checkin) { 20355 if (!printedHeader) { 20356 if (dumpState.onTitlePrinted()) 20357 pw.println(); 20358 pw.println("Libraries:"); 20359 printedHeader = true; 20360 } 20361 pw.print(" "); 20362 } else { 20363 pw.print("lib,"); 20364 } 20365 pw.print(libEntry.info.getName()); 20366 if (libEntry.info.isStatic()) { 20367 pw.print(" version=" + libEntry.info.getVersion()); 20368 } 20369 if (!checkin) { 20370 pw.print(" -> "); 20371 } 20372 if (libEntry.path != null) { 20373 pw.print(" (jar) "); 20374 pw.print(libEntry.path); 20375 } else { 20376 pw.print(" (apk) "); 20377 pw.print(libEntry.apk); 20378 } 20379 pw.println(); 20380 } 20381 } 20382 } 20383 20384 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 20385 if (dumpState.onTitlePrinted()) 20386 pw.println(); 20387 if (!checkin) { 20388 pw.println("Features:"); 20389 } 20390 20391 synchronized (mAvailableFeatures) { 20392 for (FeatureInfo feat : mAvailableFeatures.values()) { 20393 if (checkin) { 20394 pw.print("feat,"); 20395 pw.print(feat.name); 20396 pw.print(","); 20397 pw.println(feat.version); 20398 } else { 20399 pw.print(" "); 20400 pw.print(feat.name); 20401 if (feat.version > 0) { 20402 pw.print(" version="); 20403 pw.print(feat.version); 20404 } 20405 pw.println(); 20406 } 20407 } 20408 } 20409 } 20410 20411 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 20412 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 20413 : "Activity Resolver Table:", " ", packageName, 20414 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20415 dumpState.setTitlePrinted(true); 20416 } 20417 } 20418 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 20419 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 20420 : "Receiver Resolver Table:", " ", packageName, 20421 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20422 dumpState.setTitlePrinted(true); 20423 } 20424 } 20425 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 20426 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 20427 : "Service Resolver Table:", " ", packageName, 20428 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20429 dumpState.setTitlePrinted(true); 20430 } 20431 } 20432 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 20433 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 20434 : "Provider Resolver Table:", " ", packageName, 20435 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 20436 dumpState.setTitlePrinted(true); 20437 } 20438 } 20439 20440 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 20441 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 20442 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 20443 int user = mSettings.mPreferredActivities.keyAt(i); 20444 if (pir.dump(pw, 20445 dumpState.getTitlePrinted() 20446 ? "\nPreferred Activities User " + user + ":" 20447 : "Preferred Activities User " + user + ":", " ", 20448 packageName, true, false)) { 20449 dumpState.setTitlePrinted(true); 20450 } 20451 } 20452 } 20453 20454 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 20455 pw.flush(); 20456 FileOutputStream fout = new FileOutputStream(fd); 20457 BufferedOutputStream str = new BufferedOutputStream(fout); 20458 XmlSerializer serializer = new FastXmlSerializer(); 20459 try { 20460 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 20461 serializer.startDocument(null, true); 20462 serializer.setFeature( 20463 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 20464 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 20465 serializer.endDocument(); 20466 serializer.flush(); 20467 } catch (IllegalArgumentException e) { 20468 pw.println("Failed writing: " + e); 20469 } catch (IllegalStateException e) { 20470 pw.println("Failed writing: " + e); 20471 } catch (IOException e) { 20472 pw.println("Failed writing: " + e); 20473 } 20474 } 20475 20476 if (!checkin 20477 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 20478 && packageName == null) { 20479 pw.println(); 20480 int count = mSettings.mPackages.size(); 20481 if (count == 0) { 20482 pw.println("No applications!"); 20483 pw.println(); 20484 } else { 20485 final String prefix = " "; 20486 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 20487 if (allPackageSettings.size() == 0) { 20488 pw.println("No domain preferred apps!"); 20489 pw.println(); 20490 } else { 20491 pw.println("App verification status:"); 20492 pw.println(); 20493 count = 0; 20494 for (PackageSetting ps : allPackageSettings) { 20495 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 20496 if (ivi == null || ivi.getPackageName() == null) continue; 20497 pw.println(prefix + "Package: " + ivi.getPackageName()); 20498 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 20499 pw.println(prefix + "Status: " + ivi.getStatusString()); 20500 pw.println(); 20501 count++; 20502 } 20503 if (count == 0) { 20504 pw.println(prefix + "No app verification established."); 20505 pw.println(); 20506 } 20507 for (int userId : sUserManager.getUserIds()) { 20508 pw.println("App linkages for user " + userId + ":"); 20509 pw.println(); 20510 count = 0; 20511 for (PackageSetting ps : allPackageSettings) { 20512 final long status = ps.getDomainVerificationStatusForUser(userId); 20513 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED 20514 && !DEBUG_DOMAIN_VERIFICATION) { 20515 continue; 20516 } 20517 pw.println(prefix + "Package: " + ps.name); 20518 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 20519 String statusStr = IntentFilterVerificationInfo. 20520 getStatusStringFromValue(status); 20521 pw.println(prefix + "Status: " + statusStr); 20522 pw.println(); 20523 count++; 20524 } 20525 if (count == 0) { 20526 pw.println(prefix + "No configured app linkages."); 20527 pw.println(); 20528 } 20529 } 20530 } 20531 } 20532 } 20533 20534 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 20535 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 20536 } 20537 20538 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 20539 boolean printedSomething = false; 20540 for (PackageParser.Provider p : mProviders.mProviders.values()) { 20541 if (packageName != null && !packageName.equals(p.info.packageName)) { 20542 continue; 20543 } 20544 if (!printedSomething) { 20545 if (dumpState.onTitlePrinted()) 20546 pw.println(); 20547 pw.println("Registered ContentProviders:"); 20548 printedSomething = true; 20549 } 20550 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 20551 pw.print(" "); pw.println(p.toString()); 20552 } 20553 printedSomething = false; 20554 for (Map.Entry<String, PackageParser.Provider> entry : 20555 mProvidersByAuthority.entrySet()) { 20556 PackageParser.Provider p = entry.getValue(); 20557 if (packageName != null && !packageName.equals(p.info.packageName)) { 20558 continue; 20559 } 20560 if (!printedSomething) { 20561 if (dumpState.onTitlePrinted()) 20562 pw.println(); 20563 pw.println("ContentProvider Authorities:"); 20564 printedSomething = true; 20565 } 20566 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 20567 pw.print(" "); pw.println(p.toString()); 20568 if (p.info != null && p.info.applicationInfo != null) { 20569 final String appInfo = p.info.applicationInfo.toString(); 20570 pw.print(" applicationInfo="); pw.println(appInfo); 20571 } 20572 } 20573 } 20574 20575 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 20576 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 20577 } 20578 20579 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 20580 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 20581 } 20582 20583 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 20584 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 20585 } 20586 20587 if (dumpState.isDumping(DumpState.DUMP_CHANGES)) { 20588 if (dumpState.onTitlePrinted()) pw.println(); 20589 pw.println("Package Changes:"); 20590 pw.print(" Sequence number="); pw.println(mChangedPackagesSequenceNumber); 20591 final int K = mChangedPackages.size(); 20592 for (int i = 0; i < K; i++) { 20593 final SparseArray<String> changes = mChangedPackages.valueAt(i); 20594 pw.print(" User "); pw.print(mChangedPackages.keyAt(i)); pw.println(":"); 20595 final int N = changes.size(); 20596 if (N == 0) { 20597 pw.print(" "); pw.println("No packages changed"); 20598 } else { 20599 for (int j = 0; j < N; j++) { 20600 final String pkgName = changes.valueAt(j); 20601 final int sequenceNumber = changes.keyAt(j); 20602 pw.print(" "); 20603 pw.print("seq="); 20604 pw.print(sequenceNumber); 20605 pw.print(", package="); 20606 pw.println(pkgName); 20607 } 20608 } 20609 } 20610 } 20611 20612 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS) && packageName == null) { 20613 mSettings.dumpRestoredPermissionGrantsLPr(pw, dumpState); 20614 } 20615 20616 if (!checkin && dumpState.isDumping(DumpState.DUMP_FROZEN) && packageName == null) { 20617 // XXX should handle packageName != null by dumping only install data that 20618 // the given package is involved with. 20619 if (dumpState.onTitlePrinted()) pw.println(); 20620 20621 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 20622 ipw.println(); 20623 ipw.println("Frozen packages:"); 20624 ipw.increaseIndent(); 20625 if (mFrozenPackages.size() == 0) { 20626 ipw.println("(none)"); 20627 } else { 20628 for (int i = 0; i < mFrozenPackages.size(); i++) { 20629 ipw.println(mFrozenPackages.valueAt(i)); 20630 } 20631 } 20632 ipw.decreaseIndent(); 20633 } 20634 20635 if (!checkin && dumpState.isDumping(DumpState.DUMP_VOLUMES) && packageName == null) { 20636 if (dumpState.onTitlePrinted()) pw.println(); 20637 20638 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ", 120); 20639 ipw.println(); 20640 ipw.println("Loaded volumes:"); 20641 ipw.increaseIndent(); 20642 if (mLoadedVolumes.size() == 0) { 20643 ipw.println("(none)"); 20644 } else { 20645 for (int i = 0; i < mLoadedVolumes.size(); i++) { 20646 ipw.println(mLoadedVolumes.valueAt(i)); 20647 } 20648 } 20649 ipw.decreaseIndent(); 20650 } 20651 20652 if (!checkin && dumpState.isDumping(DumpState.DUMP_DEXOPT)) { 20653 if (dumpState.onTitlePrinted()) pw.println(); 20654 dumpDexoptStateLPr(pw, packageName); 20655 } 20656 20657 if (!checkin && dumpState.isDumping(DumpState.DUMP_COMPILER_STATS)) { 20658 if (dumpState.onTitlePrinted()) pw.println(); 20659 dumpCompilerStatsLPr(pw, packageName); 20660 } 20661 20662 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 20663 if (dumpState.onTitlePrinted()) pw.println(); 20664 mSettings.dumpReadMessagesLPr(pw, dumpState); 20665 20666 pw.println(); 20667 pw.println("Package warning messages:"); 20668 dumpCriticalInfo(pw, null); 20669 } 20670 20671 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 20672 dumpCriticalInfo(pw, "msg,"); 20673 } 20674 } 20675 20676 // PackageInstaller should be called outside of mPackages lock 20677 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 20678 // XXX should handle packageName != null by dumping only install data that 20679 // the given package is involved with. 20680 if (dumpState.onTitlePrinted()) pw.println(); 20681 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 20682 } 20683 } 20684 20685 private void dumpProto(FileDescriptor fd) { 20686 final ProtoOutputStream proto = new ProtoOutputStream(fd); 20687 20688 synchronized (mPackages) { 20689 final long requiredVerifierPackageToken = 20690 proto.start(PackageServiceDumpProto.REQUIRED_VERIFIER_PACKAGE); 20691 proto.write(PackageServiceDumpProto.PackageShortProto.NAME, mRequiredVerifierPackage); 20692 proto.write( 20693 PackageServiceDumpProto.PackageShortProto.UID, 20694 getPackageUid( 20695 mRequiredVerifierPackage, 20696 MATCH_DEBUG_TRIAGED_MISSING, 20697 UserHandle.USER_SYSTEM)); 20698 proto.end(requiredVerifierPackageToken); 20699 20700 if (mIntentFilterVerifierComponent != null) { 20701 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 20702 final long verifierPackageToken = 20703 proto.start(PackageServiceDumpProto.VERIFIER_PACKAGE); 20704 proto.write(PackageServiceDumpProto.PackageShortProto.NAME, verifierPackageName); 20705 proto.write( 20706 PackageServiceDumpProto.PackageShortProto.UID, 20707 getPackageUid( 20708 verifierPackageName, 20709 MATCH_DEBUG_TRIAGED_MISSING, 20710 UserHandle.USER_SYSTEM)); 20711 proto.end(verifierPackageToken); 20712 } 20713 20714 dumpSharedLibrariesProto(proto); 20715 dumpFeaturesProto(proto); 20716 mSettings.dumpPackagesProto(proto); 20717 mSettings.dumpSharedUsersProto(proto); 20718 dumpCriticalInfo(proto); 20719 } 20720 proto.flush(); 20721 } 20722 20723 private void dumpFeaturesProto(ProtoOutputStream proto) { 20724 synchronized (mAvailableFeatures) { 20725 final int count = mAvailableFeatures.size(); 20726 for (int i = 0; i < count; i++) { 20727 mAvailableFeatures.valueAt(i).writeToProto(proto, PackageServiceDumpProto.FEATURES); 20728 } 20729 } 20730 } 20731 20732 private void dumpSharedLibrariesProto(ProtoOutputStream proto) { 20733 final int count = mSharedLibraries.size(); 20734 for (int i = 0; i < count; i++) { 20735 final String libName = mSharedLibraries.keyAt(i); 20736 SparseArray<SharedLibraryEntry> versionedLib = mSharedLibraries.get(libName); 20737 if (versionedLib == null) { 20738 continue; 20739 } 20740 final int versionCount = versionedLib.size(); 20741 for (int j = 0; j < versionCount; j++) { 20742 final SharedLibraryEntry libEntry = versionedLib.valueAt(j); 20743 final long sharedLibraryToken = 20744 proto.start(PackageServiceDumpProto.SHARED_LIBRARIES); 20745 proto.write(PackageServiceDumpProto.SharedLibraryProto.NAME, libEntry.info.getName()); 20746 final boolean isJar = (libEntry.path != null); 20747 proto.write(PackageServiceDumpProto.SharedLibraryProto.IS_JAR, isJar); 20748 if (isJar) { 20749 proto.write(PackageServiceDumpProto.SharedLibraryProto.PATH, libEntry.path); 20750 } else { 20751 proto.write(PackageServiceDumpProto.SharedLibraryProto.APK, libEntry.apk); 20752 } 20753 proto.end(sharedLibraryToken); 20754 } 20755 } 20756 } 20757 20758 private void dumpDexoptStateLPr(PrintWriter pw, String packageName) { 20759 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " "); 20760 ipw.println(); 20761 ipw.println("Dexopt state:"); 20762 ipw.increaseIndent(); 20763 Collection<PackageParser.Package> packages = null; 20764 if (packageName != null) { 20765 PackageParser.Package targetPackage = mPackages.get(packageName); 20766 if (targetPackage != null) { 20767 packages = Collections.singletonList(targetPackage); 20768 } else { 20769 ipw.println("Unable to find package: " + packageName); 20770 return; 20771 } 20772 } else { 20773 packages = mPackages.values(); 20774 } 20775 20776 for (PackageParser.Package pkg : packages) { 20777 ipw.println("[" + pkg.packageName + "]"); 20778 ipw.increaseIndent(); 20779 mPackageDexOptimizer.dumpDexoptState(ipw, pkg, 20780 mDexManager.getPackageUseInfoOrDefault(pkg.packageName)); 20781 ipw.decreaseIndent(); 20782 } 20783 } 20784 20785 private void dumpCompilerStatsLPr(PrintWriter pw, String packageName) { 20786 final IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " "); 20787 ipw.println(); 20788 ipw.println("Compiler stats:"); 20789 ipw.increaseIndent(); 20790 Collection<PackageParser.Package> packages = null; 20791 if (packageName != null) { 20792 PackageParser.Package targetPackage = mPackages.get(packageName); 20793 if (targetPackage != null) { 20794 packages = Collections.singletonList(targetPackage); 20795 } else { 20796 ipw.println("Unable to find package: " + packageName); 20797 return; 20798 } 20799 } else { 20800 packages = mPackages.values(); 20801 } 20802 20803 for (PackageParser.Package pkg : packages) { 20804 ipw.println("[" + pkg.packageName + "]"); 20805 ipw.increaseIndent(); 20806 20807 CompilerStats.PackageStats stats = getCompilerPackageStats(pkg.packageName); 20808 if (stats == null) { 20809 ipw.println("(No recorded stats)"); 20810 } else { 20811 stats.dump(ipw); 20812 } 20813 ipw.decreaseIndent(); 20814 } 20815 } 20816 20817 private String dumpDomainString(String packageName) { 20818 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName) 20819 .getList(); 20820 List<IntentFilter> filters = getAllIntentFilters(packageName).getList(); 20821 20822 ArraySet<String> result = new ArraySet<>(); 20823 if (iviList.size() > 0) { 20824 for (IntentFilterVerificationInfo ivi : iviList) { 20825 for (String host : ivi.getDomains()) { 20826 result.add(host); 20827 } 20828 } 20829 } 20830 if (filters != null && filters.size() > 0) { 20831 for (IntentFilter filter : filters) { 20832 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 20833 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 20834 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 20835 result.addAll(filter.getHostsList()); 20836 } 20837 } 20838 } 20839 20840 StringBuilder sb = new StringBuilder(result.size() * 16); 20841 for (String domain : result) { 20842 if (sb.length() > 0) sb.append(" "); 20843 sb.append(domain); 20844 } 20845 return sb.toString(); 20846 } 20847 20848 // ------- apps on sdcard specific code ------- 20849 static final boolean DEBUG_SD_INSTALL = false; 20850 20851 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 20852 20853 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 20854 20855 private boolean mMediaMounted = false; 20856 20857 static String getEncryptKey() { 20858 try { 20859 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 20860 SD_ENCRYPTION_KEYSTORE_NAME); 20861 if (sdEncKey == null) { 20862 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 20863 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 20864 if (sdEncKey == null) { 20865 Slog.e(TAG, "Failed to create encryption keys"); 20866 return null; 20867 } 20868 } 20869 return sdEncKey; 20870 } catch (NoSuchAlgorithmException nsae) { 20871 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 20872 return null; 20873 } catch (IOException ioe) { 20874 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 20875 return null; 20876 } 20877 } 20878 20879 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 20880 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 20881 final int size = infos.size(); 20882 final String[] packageNames = new String[size]; 20883 final int[] packageUids = new int[size]; 20884 for (int i = 0; i < size; i++) { 20885 final ApplicationInfo info = infos.get(i); 20886 packageNames[i] = info.packageName; 20887 packageUids[i] = info.uid; 20888 } 20889 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 20890 finishedReceiver); 20891 } 20892 20893 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 20894 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 20895 sendResourcesChangedBroadcast(mediaStatus, replacing, 20896 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 20897 } 20898 20899 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 20900 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 20901 int size = pkgList.length; 20902 if (size > 0) { 20903 // Send broadcasts here 20904 Bundle extras = new Bundle(); 20905 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 20906 if (uidArr != null) { 20907 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 20908 } 20909 if (replacing) { 20910 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 20911 } 20912 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 20913 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 20914 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 20915 } 20916 } 20917 20918 private void loadPrivatePackages(final VolumeInfo vol) { 20919 mHandler.post(new Runnable() { 20920 @Override 20921 public void run() { 20922 loadPrivatePackagesInner(vol); 20923 } 20924 }); 20925 } 20926 20927 private void loadPrivatePackagesInner(VolumeInfo vol) { 20928 final String volumeUuid = vol.fsUuid; 20929 if (TextUtils.isEmpty(volumeUuid)) { 20930 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 20931 return; 20932 } 20933 20934 final ArrayList<PackageFreezer> freezers = new ArrayList<>(); 20935 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 20936 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 20937 20938 final VersionInfo ver; 20939 final List<PackageSetting> packages; 20940 synchronized (mPackages) { 20941 ver = mSettings.findOrCreateVersion(volumeUuid); 20942 packages = mSettings.getVolumePackagesLPr(volumeUuid); 20943 } 20944 20945 for (PackageSetting ps : packages) { 20946 freezers.add(freezePackage(ps.name, "loadPrivatePackagesInner")); 20947 synchronized (mInstallLock) { 20948 final PackageParser.Package pkg; 20949 try { 20950 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 20951 loaded.add(pkg.applicationInfo); 20952 20953 } catch (PackageManagerException e) { 20954 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 20955 } 20956 20957 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 20958 clearAppDataLIF(ps.pkg, UserHandle.USER_ALL, 20959 StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE 20960 | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 20961 } 20962 } 20963 } 20964 20965 // Reconcile app data for all started/unlocked users 20966 final StorageManager sm = mContext.getSystemService(StorageManager.class); 20967 final UserManager um = mContext.getSystemService(UserManager.class); 20968 UserManagerInternal umInternal = getUserManagerInternal(); 20969 for (UserInfo user : um.getUsers()) { 20970 final int flags; 20971 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 20972 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 20973 } else if (umInternal.isUserRunning(user.id)) { 20974 flags = StorageManager.FLAG_STORAGE_DE; 20975 } else { 20976 continue; 20977 } 20978 20979 try { 20980 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, flags); 20981 synchronized (mInstallLock) { 20982 reconcileAppsDataLI(volumeUuid, user.id, flags, true /* migrateAppData */); 20983 } 20984 } catch (IllegalStateException e) { 20985 // Device was probably ejected, and we'll process that event momentarily 20986 Slog.w(TAG, "Failed to prepare storage: " + e); 20987 } 20988 } 20989 20990 synchronized (mPackages) { 20991 final boolean sdkUpdated = (ver.sdkVersion != mSdkVersion); 20992 if (sdkUpdated) { 20993 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 20994 + mSdkVersion + "; regranting permissions for " + volumeUuid); 20995 } 20996 mPermissionManager.updateAllPermissions(volumeUuid, sdkUpdated, mPackages.values(), 20997 mPermissionCallback); 20998 20999 // Yay, everything is now upgraded 21000 ver.forceCurrent(); 21001 21002 mSettings.writeLPr(); 21003 } 21004 21005 for (PackageFreezer freezer : freezers) { 21006 freezer.close(); 21007 } 21008 21009 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 21010 sendResourcesChangedBroadcast(true, false, loaded, null); 21011 mLoadedVolumes.add(vol.getId()); 21012 } 21013 21014 private void unloadPrivatePackages(final VolumeInfo vol) { 21015 mHandler.post(new Runnable() { 21016 @Override 21017 public void run() { 21018 unloadPrivatePackagesInner(vol); 21019 } 21020 }); 21021 } 21022 21023 private void unloadPrivatePackagesInner(VolumeInfo vol) { 21024 final String volumeUuid = vol.fsUuid; 21025 if (TextUtils.isEmpty(volumeUuid)) { 21026 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 21027 return; 21028 } 21029 21030 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 21031 synchronized (mInstallLock) { 21032 synchronized (mPackages) { 21033 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 21034 for (PackageSetting ps : packages) { 21035 if (ps.pkg == null) continue; 21036 21037 final ApplicationInfo info = ps.pkg.applicationInfo; 21038 final int deleteFlags = PackageManager.DELETE_KEEP_DATA; 21039 final PackageRemovedInfo outInfo = new PackageRemovedInfo(this); 21040 21041 try (PackageFreezer freezer = freezePackageForDelete(ps.name, deleteFlags, 21042 "unloadPrivatePackagesInner")) { 21043 if (deletePackageLIF(ps.name, null, false, null, deleteFlags, outInfo, 21044 false, null)) { 21045 unloaded.add(info); 21046 } else { 21047 Slog.w(TAG, "Failed to unload " + ps.codePath); 21048 } 21049 } 21050 21051 // Try very hard to release any references to this package 21052 // so we don't risk the system server being killed due to 21053 // open FDs 21054 AttributeCache.instance().removePackage(ps.name); 21055 } 21056 21057 mSettings.writeLPr(); 21058 } 21059 } 21060 21061 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 21062 sendResourcesChangedBroadcast(false, false, unloaded, null); 21063 mLoadedVolumes.remove(vol.getId()); 21064 21065 // Try very hard to release any references to this path so we don't risk 21066 // the system server being killed due to open FDs 21067 ResourcesManager.getInstance().invalidatePath(vol.getPath().getAbsolutePath()); 21068 21069 for (int i = 0; i < 3; i++) { 21070 System.gc(); 21071 System.runFinalization(); 21072 } 21073 } 21074 21075 private void assertPackageKnown(String volumeUuid, String packageName) 21076 throws PackageManagerException { 21077 synchronized (mPackages) { 21078 // Normalize package name to handle renamed packages 21079 packageName = normalizePackageNameLPr(packageName); 21080 21081 final PackageSetting ps = mSettings.mPackages.get(packageName); 21082 if (ps == null) { 21083 throw new PackageManagerException("Package " + packageName + " is unknown"); 21084 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 21085 throw new PackageManagerException( 21086 "Package " + packageName + " found on unknown volume " + volumeUuid 21087 + "; expected volume " + ps.volumeUuid); 21088 } 21089 } 21090 } 21091 21092 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 21093 throws PackageManagerException { 21094 synchronized (mPackages) { 21095 // Normalize package name to handle renamed packages 21096 packageName = normalizePackageNameLPr(packageName); 21097 21098 final PackageSetting ps = mSettings.mPackages.get(packageName); 21099 if (ps == null) { 21100 throw new PackageManagerException("Package " + packageName + " is unknown"); 21101 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 21102 throw new PackageManagerException( 21103 "Package " + packageName + " found on unknown volume " + volumeUuid 21104 + "; expected volume " + ps.volumeUuid); 21105 } else if (!ps.getInstalled(userId)) { 21106 throw new PackageManagerException( 21107 "Package " + packageName + " not installed for user " + userId); 21108 } 21109 } 21110 } 21111 21112 private List<String> collectAbsoluteCodePaths() { 21113 synchronized (mPackages) { 21114 List<String> codePaths = new ArrayList<>(); 21115 final int packageCount = mSettings.mPackages.size(); 21116 for (int i = 0; i < packageCount; i++) { 21117 final PackageSetting ps = mSettings.mPackages.valueAt(i); 21118 codePaths.add(ps.codePath.getAbsolutePath()); 21119 } 21120 return codePaths; 21121 } 21122 } 21123 21124 /** 21125 * Examine all apps present on given mounted volume, and destroy apps that 21126 * aren't expected, either due to uninstallation or reinstallation on 21127 * another volume. 21128 */ 21129 private void reconcileApps(String volumeUuid) { 21130 List<String> absoluteCodePaths = collectAbsoluteCodePaths(); 21131 List<File> filesToDelete = null; 21132 21133 final File[] files = FileUtils.listFilesOrEmpty( 21134 Environment.getDataAppDirectory(volumeUuid)); 21135 for (File file : files) { 21136 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 21137 && !PackageInstallerService.isStageName(file.getName()); 21138 if (!isPackage) { 21139 // Ignore entries which are not packages 21140 continue; 21141 } 21142 21143 String absolutePath = file.getAbsolutePath(); 21144 21145 boolean pathValid = false; 21146 final int absoluteCodePathCount = absoluteCodePaths.size(); 21147 for (int i = 0; i < absoluteCodePathCount; i++) { 21148 String absoluteCodePath = absoluteCodePaths.get(i); 21149 if (absolutePath.startsWith(absoluteCodePath)) { 21150 pathValid = true; 21151 break; 21152 } 21153 } 21154 21155 if (!pathValid) { 21156 if (filesToDelete == null) { 21157 filesToDelete = new ArrayList<>(); 21158 } 21159 filesToDelete.add(file); 21160 } 21161 } 21162 21163 if (filesToDelete != null) { 21164 final int fileToDeleteCount = filesToDelete.size(); 21165 for (int i = 0; i < fileToDeleteCount; i++) { 21166 File fileToDelete = filesToDelete.get(i); 21167 logCriticalInfo(Log.WARN, "Destroying orphaned" + fileToDelete); 21168 synchronized (mInstallLock) { 21169 removeCodePathLI(fileToDelete); 21170 } 21171 } 21172 } 21173 } 21174 21175 /** 21176 * Reconcile all app data for the given user. 21177 * <p> 21178 * Verifies that directories exist and that ownership and labeling is 21179 * correct for all installed apps on all mounted volumes. 21180 */ 21181 void reconcileAppsData(int userId, int flags, boolean migrateAppsData) { 21182 final StorageManager storage = mContext.getSystemService(StorageManager.class); 21183 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 21184 final String volumeUuid = vol.getFsUuid(); 21185 synchronized (mInstallLock) { 21186 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppsData); 21187 } 21188 } 21189 } 21190 21191 private void reconcileAppsDataLI(String volumeUuid, int userId, int flags, 21192 boolean migrateAppData) { 21193 reconcileAppsDataLI(volumeUuid, userId, flags, migrateAppData, false /* onlyCoreApps */); 21194 } 21195 21196 /** 21197 * Reconcile all app data on given mounted volume. 21198 * <p> 21199 * Destroys app data that isn't expected, either due to uninstallation or 21200 * reinstallation on another volume. 21201 * <p> 21202 * Verifies that directories exist and that ownership and labeling is 21203 * correct for all installed apps. 21204 * @returns list of skipped non-core packages (if {@code onlyCoreApps} is true) 21205 */ 21206 private List<String> reconcileAppsDataLI(String volumeUuid, int userId, int flags, 21207 boolean migrateAppData, boolean onlyCoreApps) { 21208 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 21209 + Integer.toHexString(flags) + " migrateAppData=" + migrateAppData); 21210 List<String> result = onlyCoreApps ? new ArrayList<>() : null; 21211 21212 final File ceDir = Environment.getDataUserCeDirectory(volumeUuid, userId); 21213 final File deDir = Environment.getDataUserDeDirectory(volumeUuid, userId); 21214 21215 // First look for stale data that doesn't belong, and check if things 21216 // have changed since we did our last restorecon 21217 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 21218 if (StorageManager.isFileEncryptedNativeOrEmulated() 21219 && !StorageManager.isUserKeyUnlocked(userId)) { 21220 throw new RuntimeException( 21221 "Yikes, someone asked us to reconcile CE storage while " + userId 21222 + " was still locked; this would have caused massive data loss!"); 21223 } 21224 21225 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 21226 for (File file : files) { 21227 final String packageName = file.getName(); 21228 try { 21229 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 21230 } catch (PackageManagerException e) { 21231 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 21232 try { 21233 mInstaller.destroyAppData(volumeUuid, packageName, userId, 21234 StorageManager.FLAG_STORAGE_CE, 0); 21235 } catch (InstallerException e2) { 21236 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 21237 } 21238 } 21239 } 21240 } 21241 if ((flags & StorageManager.FLAG_STORAGE_DE) != 0) { 21242 final File[] files = FileUtils.listFilesOrEmpty(deDir); 21243 for (File file : files) { 21244 final String packageName = file.getName(); 21245 try { 21246 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 21247 } catch (PackageManagerException e) { 21248 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 21249 try { 21250 mInstaller.destroyAppData(volumeUuid, packageName, userId, 21251 StorageManager.FLAG_STORAGE_DE, 0); 21252 } catch (InstallerException e2) { 21253 logCriticalInfo(Log.WARN, "Failed to destroy: " + e2); 21254 } 21255 } 21256 } 21257 } 21258 21259 // Ensure that data directories are ready to roll for all packages 21260 // installed for this volume and user 21261 final List<PackageSetting> packages; 21262 synchronized (mPackages) { 21263 packages = mSettings.getVolumePackagesLPr(volumeUuid); 21264 } 21265 int preparedCount = 0; 21266 for (PackageSetting ps : packages) { 21267 final String packageName = ps.name; 21268 if (ps.pkg == null) { 21269 Slog.w(TAG, "Odd, missing scanned package " + packageName); 21270 // TODO: might be due to legacy ASEC apps; we should circle back 21271 // and reconcile again once they're scanned 21272 continue; 21273 } 21274 // Skip non-core apps if requested 21275 if (onlyCoreApps && !ps.pkg.coreApp) { 21276 result.add(packageName); 21277 continue; 21278 } 21279 21280 if (ps.getInstalled(userId)) { 21281 prepareAppDataAndMigrateLIF(ps.pkg, userId, flags, migrateAppData); 21282 preparedCount++; 21283 } 21284 } 21285 21286 Slog.v(TAG, "reconcileAppsData finished " + preparedCount + " packages"); 21287 return result; 21288 } 21289 21290 /** 21291 * Prepare app data for the given app just after it was installed or 21292 * upgraded. This method carefully only touches users that it's installed 21293 * for, and it forces a restorecon to handle any seinfo changes. 21294 * <p> 21295 * Verifies that directories exist and that ownership and labeling is 21296 * correct for all installed apps. If there is an ownership mismatch, it 21297 * will try recovering system apps by wiping data; third-party app data is 21298 * left intact. 21299 * <p> 21300 * <em>Note: To avoid a deadlock, do not call this method with {@code mPackages} lock held</em> 21301 */ 21302 private void prepareAppDataAfterInstallLIF(PackageParser.Package pkg) { 21303 final PackageSetting ps; 21304 synchronized (mPackages) { 21305 ps = mSettings.mPackages.get(pkg.packageName); 21306 mSettings.writeKernelMappingLPr(ps); 21307 } 21308 21309 final UserManager um = mContext.getSystemService(UserManager.class); 21310 UserManagerInternal umInternal = getUserManagerInternal(); 21311 for (UserInfo user : um.getUsers()) { 21312 final int flags; 21313 if (umInternal.isUserUnlockingOrUnlocked(user.id)) { 21314 flags = StorageManager.FLAG_STORAGE_DE | StorageManager.FLAG_STORAGE_CE; 21315 } else if (umInternal.isUserRunning(user.id)) { 21316 flags = StorageManager.FLAG_STORAGE_DE; 21317 } else { 21318 continue; 21319 } 21320 21321 if (ps.getInstalled(user.id)) { 21322 // TODO: when user data is locked, mark that we're still dirty 21323 prepareAppDataLIF(pkg, user.id, flags); 21324 } 21325 } 21326 } 21327 21328 /** 21329 * Prepare app data for the given app. 21330 * <p> 21331 * Verifies that directories exist and that ownership and labeling is 21332 * correct for all installed apps. If there is an ownership mismatch, this 21333 * will try recovering system apps by wiping data; third-party app data is 21334 * left intact. 21335 */ 21336 private void prepareAppDataLIF(PackageParser.Package pkg, int userId, int flags) { 21337 if (pkg == null) { 21338 Slog.wtf(TAG, "Package was null!", new Throwable()); 21339 return; 21340 } 21341 prepareAppDataLeafLIF(pkg, userId, flags); 21342 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 21343 for (int i = 0; i < childCount; i++) { 21344 prepareAppDataLeafLIF(pkg.childPackages.get(i), userId, flags); 21345 } 21346 } 21347 21348 private void prepareAppDataAndMigrateLIF(PackageParser.Package pkg, int userId, int flags, 21349 boolean maybeMigrateAppData) { 21350 prepareAppDataLIF(pkg, userId, flags); 21351 21352 if (maybeMigrateAppData && maybeMigrateAppDataLIF(pkg, userId)) { 21353 // We may have just shuffled around app data directories, so 21354 // prepare them one more time 21355 prepareAppDataLIF(pkg, userId, flags); 21356 } 21357 } 21358 21359 private void prepareAppDataLeafLIF(PackageParser.Package pkg, int userId, int flags) { 21360 if (DEBUG_APP_DATA) { 21361 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 21362 + Integer.toHexString(flags)); 21363 } 21364 21365 final String volumeUuid = pkg.volumeUuid; 21366 final String packageName = pkg.packageName; 21367 final ApplicationInfo app = pkg.applicationInfo; 21368 final int appId = UserHandle.getAppId(app.uid); 21369 21370 Preconditions.checkNotNull(app.seInfo); 21371 21372 long ceDataInode = -1; 21373 try { 21374 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 21375 appId, app.seInfo, app.targetSdkVersion); 21376 } catch (InstallerException e) { 21377 if (app.isSystemApp()) { 21378 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 21379 + ", but trying to recover: " + e); 21380 destroyAppDataLeafLIF(pkg, userId, flags); 21381 try { 21382 ceDataInode = mInstaller.createAppData(volumeUuid, packageName, userId, flags, 21383 appId, app.seInfo, app.targetSdkVersion); 21384 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 21385 } catch (InstallerException e2) { 21386 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 21387 } 21388 } else { 21389 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 21390 } 21391 } 21392 21393 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0 && ceDataInode != -1) { 21394 // TODO: mark this structure as dirty so we persist it! 21395 synchronized (mPackages) { 21396 final PackageSetting ps = mSettings.mPackages.get(packageName); 21397 if (ps != null) { 21398 ps.setCeDataInode(ceDataInode, userId); 21399 } 21400 } 21401 } 21402 21403 prepareAppDataContentsLeafLIF(pkg, userId, flags); 21404 } 21405 21406 private void prepareAppDataContentsLIF(PackageParser.Package pkg, int userId, int flags) { 21407 if (pkg == null) { 21408 Slog.wtf(TAG, "Package was null!", new Throwable()); 21409 return; 21410 } 21411 prepareAppDataContentsLeafLIF(pkg, userId, flags); 21412 final int childCount = (pkg.childPackages != null) ? pkg.childPackages.size() : 0; 21413 for (int i = 0; i < childCount; i++) { 21414 prepareAppDataContentsLeafLIF(pkg.childPackages.get(i), userId, flags); 21415 } 21416 } 21417 21418 private void prepareAppDataContentsLeafLIF(PackageParser.Package pkg, int userId, int flags) { 21419 final String volumeUuid = pkg.volumeUuid; 21420 final String packageName = pkg.packageName; 21421 final ApplicationInfo app = pkg.applicationInfo; 21422 21423 if ((flags & StorageManager.FLAG_STORAGE_CE) != 0) { 21424 // Create a native library symlink only if we have native libraries 21425 // and if the native libraries are 32 bit libraries. We do not provide 21426 // this symlink for 64 bit libraries. 21427 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 21428 final String nativeLibPath = app.nativeLibraryDir; 21429 try { 21430 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 21431 nativeLibPath, userId); 21432 } catch (InstallerException e) { 21433 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 21434 } 21435 } 21436 } 21437 } 21438 21439 /** 21440 * For system apps on non-FBE devices, this method migrates any existing 21441 * CE/DE data to match the {@code defaultToDeviceProtectedStorage} flag 21442 * requested by the app. 21443 */ 21444 private boolean maybeMigrateAppDataLIF(PackageParser.Package pkg, int userId) { 21445 if (pkg.isSystem() && !StorageManager.isFileEncryptedNativeOrEmulated() 21446 && PackageManager.APPLY_DEFAULT_TO_DEVICE_PROTECTED_STORAGE) { 21447 final int storageTarget = pkg.applicationInfo.isDefaultToDeviceProtectedStorage() 21448 ? StorageManager.FLAG_STORAGE_DE : StorageManager.FLAG_STORAGE_CE; 21449 try { 21450 mInstaller.migrateAppData(pkg.volumeUuid, pkg.packageName, userId, 21451 storageTarget); 21452 } catch (InstallerException e) { 21453 logCriticalInfo(Log.WARN, 21454 "Failed to migrate " + pkg.packageName + ": " + e.getMessage()); 21455 } 21456 return true; 21457 } else { 21458 return false; 21459 } 21460 } 21461 21462 public PackageFreezer freezePackage(String packageName, String killReason) { 21463 return freezePackage(packageName, UserHandle.USER_ALL, killReason); 21464 } 21465 21466 public PackageFreezer freezePackage(String packageName, int userId, String killReason) { 21467 return new PackageFreezer(packageName, userId, killReason); 21468 } 21469 21470 public PackageFreezer freezePackageForInstall(String packageName, int installFlags, 21471 String killReason) { 21472 return freezePackageForInstall(packageName, UserHandle.USER_ALL, installFlags, killReason); 21473 } 21474 21475 public PackageFreezer freezePackageForInstall(String packageName, int userId, int installFlags, 21476 String killReason) { 21477 if ((installFlags & PackageManager.INSTALL_DONT_KILL_APP) != 0) { 21478 return new PackageFreezer(); 21479 } else { 21480 return freezePackage(packageName, userId, killReason); 21481 } 21482 } 21483 21484 public PackageFreezer freezePackageForDelete(String packageName, int deleteFlags, 21485 String killReason) { 21486 return freezePackageForDelete(packageName, UserHandle.USER_ALL, deleteFlags, killReason); 21487 } 21488 21489 public PackageFreezer freezePackageForDelete(String packageName, int userId, int deleteFlags, 21490 String killReason) { 21491 if ((deleteFlags & PackageManager.DELETE_DONT_KILL_APP) != 0) { 21492 return new PackageFreezer(); 21493 } else { 21494 return freezePackage(packageName, userId, killReason); 21495 } 21496 } 21497 21498 /** 21499 * Class that freezes and kills the given package upon creation, and 21500 * unfreezes it upon closing. This is typically used when doing surgery on 21501 * app code/data to prevent the app from running while you're working. 21502 */ 21503 private class PackageFreezer implements AutoCloseable { 21504 private final String mPackageName; 21505 private final PackageFreezer[] mChildren; 21506 21507 private final boolean mWeFroze; 21508 21509 private final AtomicBoolean mClosed = new AtomicBoolean(); 21510 private final CloseGuard mCloseGuard = CloseGuard.get(); 21511 21512 /** 21513 * Create and return a stub freezer that doesn't actually do anything, 21514 * typically used when someone requested 21515 * {@link PackageManager#INSTALL_DONT_KILL_APP} or 21516 * {@link PackageManager#DELETE_DONT_KILL_APP}. 21517 */ 21518 public PackageFreezer() { 21519 mPackageName = null; 21520 mChildren = null; 21521 mWeFroze = false; 21522 mCloseGuard.open("close"); 21523 } 21524 21525 public PackageFreezer(String packageName, int userId, String killReason) { 21526 synchronized (mPackages) { 21527 mPackageName = packageName; 21528 mWeFroze = mFrozenPackages.add(mPackageName); 21529 21530 final PackageSetting ps = mSettings.mPackages.get(mPackageName); 21531 if (ps != null) { 21532 killApplication(ps.name, ps.appId, userId, killReason); 21533 } 21534 21535 final PackageParser.Package p = mPackages.get(packageName); 21536 if (p != null && p.childPackages != null) { 21537 final int N = p.childPackages.size(); 21538 mChildren = new PackageFreezer[N]; 21539 for (int i = 0; i < N; i++) { 21540 mChildren[i] = new PackageFreezer(p.childPackages.get(i).packageName, 21541 userId, killReason); 21542 } 21543 } else { 21544 mChildren = null; 21545 } 21546 } 21547 mCloseGuard.open("close"); 21548 } 21549 21550 @Override 21551 protected void finalize() throws Throwable { 21552 try { 21553 if (mCloseGuard != null) { 21554 mCloseGuard.warnIfOpen(); 21555 } 21556 21557 close(); 21558 } finally { 21559 super.finalize(); 21560 } 21561 } 21562 21563 @Override 21564 public void close() { 21565 mCloseGuard.close(); 21566 if (mClosed.compareAndSet(false, true)) { 21567 synchronized (mPackages) { 21568 if (mWeFroze) { 21569 mFrozenPackages.remove(mPackageName); 21570 } 21571 21572 if (mChildren != null) { 21573 for (PackageFreezer freezer : mChildren) { 21574 freezer.close(); 21575 } 21576 } 21577 } 21578 } 21579 } 21580 } 21581 21582 /** 21583 * Verify that given package is currently frozen. 21584 */ 21585 private void checkPackageFrozen(String packageName) { 21586 synchronized (mPackages) { 21587 if (!mFrozenPackages.contains(packageName)) { 21588 Slog.wtf(TAG, "Expected " + packageName + " to be frozen!", new Throwable()); 21589 } 21590 } 21591 } 21592 21593 @Override 21594 public int movePackage(final String packageName, final String volumeUuid) { 21595 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 21596 21597 final int callingUid = Binder.getCallingUid(); 21598 final UserHandle user = new UserHandle(UserHandle.getUserId(callingUid)); 21599 final int moveId = mNextMoveId.getAndIncrement(); 21600 mHandler.post(new Runnable() { 21601 @Override 21602 public void run() { 21603 try { 21604 movePackageInternal(packageName, volumeUuid, moveId, callingUid, user); 21605 } catch (PackageManagerException e) { 21606 Slog.w(TAG, "Failed to move " + packageName, e); 21607 mMoveCallbacks.notifyStatusChanged(moveId, e.error); 21608 } 21609 } 21610 }); 21611 return moveId; 21612 } 21613 21614 private void movePackageInternal(final String packageName, final String volumeUuid, 21615 final int moveId, final int callingUid, UserHandle user) 21616 throws PackageManagerException { 21617 final StorageManager storage = mContext.getSystemService(StorageManager.class); 21618 final PackageManager pm = mContext.getPackageManager(); 21619 21620 final boolean currentAsec; 21621 final String currentVolumeUuid; 21622 final File codeFile; 21623 final String installerPackageName; 21624 final String packageAbiOverride; 21625 final int appId; 21626 final String seinfo; 21627 final String label; 21628 final int targetSdkVersion; 21629 final PackageFreezer freezer; 21630 final int[] installedUserIds; 21631 21632 // reader 21633 synchronized (mPackages) { 21634 final PackageParser.Package pkg = mPackages.get(packageName); 21635 final PackageSetting ps = mSettings.mPackages.get(packageName); 21636 if (pkg == null 21637 || ps == null 21638 || filterAppAccessLPr(ps, callingUid, user.getIdentifier())) { 21639 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 21640 } 21641 if (pkg.applicationInfo.isSystemApp()) { 21642 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 21643 "Cannot move system application"); 21644 } 21645 21646 final boolean isInternalStorage = VolumeInfo.ID_PRIVATE_INTERNAL.equals(volumeUuid); 21647 final boolean allow3rdPartyOnInternal = mContext.getResources().getBoolean( 21648 com.android.internal.R.bool.config_allow3rdPartyAppOnInternal); 21649 if (isInternalStorage && !allow3rdPartyOnInternal) { 21650 throw new PackageManagerException(MOVE_FAILED_3RD_PARTY_NOT_ALLOWED_ON_INTERNAL, 21651 "3rd party apps are not allowed on internal storage"); 21652 } 21653 21654 if (pkg.applicationInfo.isExternalAsec()) { 21655 currentAsec = true; 21656 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 21657 } else if (pkg.applicationInfo.isForwardLocked()) { 21658 currentAsec = true; 21659 currentVolumeUuid = "forward_locked"; 21660 } else { 21661 currentAsec = false; 21662 currentVolumeUuid = ps.volumeUuid; 21663 21664 final File probe = new File(pkg.codePath); 21665 final File probeOat = new File(probe, "oat"); 21666 if (!probe.isDirectory() || !probeOat.isDirectory()) { 21667 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 21668 "Move only supported for modern cluster style installs"); 21669 } 21670 } 21671 21672 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 21673 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 21674 "Package already moved to " + volumeUuid); 21675 } 21676 if (pkg.applicationInfo.isInternal() && isPackageDeviceAdminOnAnyUser(packageName)) { 21677 throw new PackageManagerException(MOVE_FAILED_DEVICE_ADMIN, 21678 "Device admin cannot be moved"); 21679 } 21680 21681 if (mFrozenPackages.contains(packageName)) { 21682 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 21683 "Failed to move already frozen package"); 21684 } 21685 21686 codeFile = new File(pkg.codePath); 21687 installerPackageName = ps.installerPackageName; 21688 packageAbiOverride = ps.cpuAbiOverrideString; 21689 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 21690 seinfo = pkg.applicationInfo.seInfo; 21691 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 21692 targetSdkVersion = pkg.applicationInfo.targetSdkVersion; 21693 freezer = freezePackage(packageName, "movePackageInternal"); 21694 installedUserIds = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 21695 } 21696 21697 final Bundle extras = new Bundle(); 21698 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 21699 extras.putString(Intent.EXTRA_TITLE, label); 21700 mMoveCallbacks.notifyCreated(moveId, extras); 21701 21702 int installFlags; 21703 final boolean moveCompleteApp; 21704 final File measurePath; 21705 21706 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 21707 installFlags = INSTALL_INTERNAL; 21708 moveCompleteApp = !currentAsec; 21709 measurePath = Environment.getDataAppDirectory(volumeUuid); 21710 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 21711 installFlags = INSTALL_EXTERNAL; 21712 moveCompleteApp = false; 21713 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 21714 } else { 21715 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 21716 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 21717 || !volume.isMountedWritable()) { 21718 freezer.close(); 21719 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 21720 "Move location not mounted private volume"); 21721 } 21722 21723 Preconditions.checkState(!currentAsec); 21724 21725 installFlags = INSTALL_INTERNAL; 21726 moveCompleteApp = true; 21727 measurePath = Environment.getDataAppDirectory(volumeUuid); 21728 } 21729 21730 // If we're moving app data around, we need all the users unlocked 21731 if (moveCompleteApp) { 21732 for (int userId : installedUserIds) { 21733 if (StorageManager.isFileEncryptedNativeOrEmulated() 21734 && !StorageManager.isUserKeyUnlocked(userId)) { 21735 throw new PackageManagerException(MOVE_FAILED_LOCKED_USER, 21736 "User " + userId + " must be unlocked"); 21737 } 21738 } 21739 } 21740 21741 final PackageStats stats = new PackageStats(null, -1); 21742 synchronized (mInstaller) { 21743 for (int userId : installedUserIds) { 21744 if (!getPackageSizeInfoLI(packageName, userId, stats)) { 21745 freezer.close(); 21746 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 21747 "Failed to measure package size"); 21748 } 21749 } 21750 } 21751 21752 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 21753 + stats.dataSize); 21754 21755 final long startFreeBytes = measurePath.getUsableSpace(); 21756 final long sizeBytes; 21757 if (moveCompleteApp) { 21758 sizeBytes = stats.codeSize + stats.dataSize; 21759 } else { 21760 sizeBytes = stats.codeSize; 21761 } 21762 21763 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 21764 freezer.close(); 21765 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 21766 "Not enough free space to move"); 21767 } 21768 21769 mMoveCallbacks.notifyStatusChanged(moveId, 10); 21770 21771 final CountDownLatch installedLatch = new CountDownLatch(1); 21772 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 21773 @Override 21774 public void onUserActionRequired(Intent intent) throws RemoteException { 21775 throw new IllegalStateException(); 21776 } 21777 21778 @Override 21779 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 21780 Bundle extras) throws RemoteException { 21781 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 21782 + PackageManager.installStatusToString(returnCode, msg)); 21783 21784 installedLatch.countDown(); 21785 freezer.close(); 21786 21787 final int status = PackageManager.installStatusToPublicStatus(returnCode); 21788 switch (status) { 21789 case PackageInstaller.STATUS_SUCCESS: 21790 mMoveCallbacks.notifyStatusChanged(moveId, 21791 PackageManager.MOVE_SUCCEEDED); 21792 break; 21793 case PackageInstaller.STATUS_FAILURE_STORAGE: 21794 mMoveCallbacks.notifyStatusChanged(moveId, 21795 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 21796 break; 21797 default: 21798 mMoveCallbacks.notifyStatusChanged(moveId, 21799 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 21800 break; 21801 } 21802 } 21803 }; 21804 21805 final MoveInfo move; 21806 if (moveCompleteApp) { 21807 // Kick off a thread to report progress estimates 21808 new Thread() { 21809 @Override 21810 public void run() { 21811 while (true) { 21812 try { 21813 if (installedLatch.await(1, TimeUnit.SECONDS)) { 21814 break; 21815 } 21816 } catch (InterruptedException ignored) { 21817 } 21818 21819 final long deltaFreeBytes = startFreeBytes - measurePath.getUsableSpace(); 21820 final int progress = 10 + (int) MathUtils.constrain( 21821 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 21822 mMoveCallbacks.notifyStatusChanged(moveId, progress); 21823 } 21824 } 21825 }.start(); 21826 21827 final String dataAppName = codeFile.getName(); 21828 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 21829 dataAppName, appId, seinfo, targetSdkVersion); 21830 } else { 21831 move = null; 21832 } 21833 21834 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 21835 21836 final Message msg = mHandler.obtainMessage(INIT_COPY); 21837 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 21838 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 21839 installerPackageName, volumeUuid, null /*verificationInfo*/, user, 21840 packageAbiOverride, null /*grantedPermissions*/, null /*certificates*/, 21841 PackageManager.INSTALL_REASON_UNKNOWN); 21842 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 21843 msg.obj = params; 21844 21845 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 21846 System.identityHashCode(msg.obj)); 21847 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 21848 System.identityHashCode(msg.obj)); 21849 21850 mHandler.sendMessage(msg); 21851 } 21852 21853 @Override 21854 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 21855 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 21856 21857 final int realMoveId = mNextMoveId.getAndIncrement(); 21858 final Bundle extras = new Bundle(); 21859 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 21860 mMoveCallbacks.notifyCreated(realMoveId, extras); 21861 21862 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 21863 @Override 21864 public void onCreated(int moveId, Bundle extras) { 21865 // Ignored 21866 } 21867 21868 @Override 21869 public void onStatusChanged(int moveId, int status, long estMillis) { 21870 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 21871 } 21872 }; 21873 21874 final StorageManager storage = mContext.getSystemService(StorageManager.class); 21875 storage.setPrimaryStorageUuid(volumeUuid, callback); 21876 return realMoveId; 21877 } 21878 21879 @Override 21880 public int getMoveStatus(int moveId) { 21881 mContext.enforceCallingOrSelfPermission( 21882 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 21883 return mMoveCallbacks.mLastStatus.get(moveId); 21884 } 21885 21886 @Override 21887 public void registerMoveCallback(IPackageMoveObserver callback) { 21888 mContext.enforceCallingOrSelfPermission( 21889 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 21890 mMoveCallbacks.register(callback); 21891 } 21892 21893 @Override 21894 public void unregisterMoveCallback(IPackageMoveObserver callback) { 21895 mContext.enforceCallingOrSelfPermission( 21896 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 21897 mMoveCallbacks.unregister(callback); 21898 } 21899 21900 @Override 21901 public boolean setInstallLocation(int loc) { 21902 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 21903 null); 21904 if (getInstallLocation() == loc) { 21905 return true; 21906 } 21907 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 21908 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 21909 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 21910 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 21911 return true; 21912 } 21913 return false; 21914 } 21915 21916 @Override 21917 public int getInstallLocation() { 21918 // allow instant app access 21919 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 21920 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 21921 PackageHelper.APP_INSTALL_AUTO); 21922 } 21923 21924 /** Called by UserManagerService */ 21925 void cleanUpUser(UserManagerService userManager, int userHandle) { 21926 synchronized (mPackages) { 21927 mDirtyUsers.remove(userHandle); 21928 mUserNeedsBadging.delete(userHandle); 21929 mSettings.removeUserLPw(userHandle); 21930 mPendingBroadcasts.remove(userHandle); 21931 mInstantAppRegistry.onUserRemovedLPw(userHandle); 21932 removeUnusedPackagesLPw(userManager, userHandle); 21933 } 21934 } 21935 21936 /** 21937 * We're removing userHandle and would like to remove any downloaded packages 21938 * that are no longer in use by any other user. 21939 * @param userHandle the user being removed 21940 */ 21941 private void removeUnusedPackagesLPw(UserManagerService userManager, final int userHandle) { 21942 final boolean DEBUG_CLEAN_APKS = false; 21943 int [] users = userManager.getUserIds(); 21944 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 21945 while (psit.hasNext()) { 21946 PackageSetting ps = psit.next(); 21947 if (ps.pkg == null) { 21948 continue; 21949 } 21950 final String packageName = ps.pkg.packageName; 21951 // Skip over if system app 21952 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 21953 continue; 21954 } 21955 if (DEBUG_CLEAN_APKS) { 21956 Slog.i(TAG, "Checking package " + packageName); 21957 } 21958 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 21959 if (keep) { 21960 if (DEBUG_CLEAN_APKS) { 21961 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 21962 } 21963 } else { 21964 for (int i = 0; i < users.length; i++) { 21965 if (users[i] != userHandle && ps.getInstalled(users[i])) { 21966 keep = true; 21967 if (DEBUG_CLEAN_APKS) { 21968 Slog.i(TAG, " Keeping package " + packageName + " for user " 21969 + users[i]); 21970 } 21971 break; 21972 } 21973 } 21974 } 21975 if (!keep) { 21976 if (DEBUG_CLEAN_APKS) { 21977 Slog.i(TAG, " Removing package " + packageName); 21978 } 21979 mHandler.post(new Runnable() { 21980 public void run() { 21981 deletePackageX(packageName, PackageManager.VERSION_CODE_HIGHEST, 21982 userHandle, 0); 21983 } //end run 21984 }); 21985 } 21986 } 21987 } 21988 21989 /** Called by UserManagerService */ 21990 void createNewUser(int userId, String[] disallowedPackages) { 21991 synchronized (mInstallLock) { 21992 mSettings.createNewUserLI(this, mInstaller, userId, disallowedPackages); 21993 } 21994 synchronized (mPackages) { 21995 scheduleWritePackageRestrictionsLocked(userId); 21996 scheduleWritePackageListLocked(userId); 21997 applyFactoryDefaultBrowserLPw(userId); 21998 primeDomainVerificationsLPw(userId); 21999 } 22000 } 22001 22002 void onNewUserCreated(final int userId) { 22003 synchronized(mPackages) { 22004 mDefaultPermissionPolicy.grantDefaultPermissions(mPackages.values(), userId); 22005 // If permission review for legacy apps is required, we represent 22006 // dagerous permissions for such apps as always granted runtime 22007 // permissions to keep per user flag state whether review is needed. 22008 // Hence, if a new user is added we have to propagate dangerous 22009 // permission grants for these legacy apps. 22010 if (mSettings.mPermissions.mPermissionReviewRequired) { 22011// NOTE: This adds UPDATE_PERMISSIONS_REPLACE_PKG 22012 mPermissionManager.updateAllPermissions( 22013 StorageManager.UUID_PRIVATE_INTERNAL, true, mPackages.values(), 22014 mPermissionCallback); 22015 } 22016 } 22017 } 22018 22019 @Override 22020 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 22021 mContext.enforceCallingOrSelfPermission( 22022 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 22023 "Only package verification agents can read the verifier device identity"); 22024 22025 synchronized (mPackages) { 22026 return mSettings.getVerifierDeviceIdentityLPw(); 22027 } 22028 } 22029 22030 @Override 22031 public void setPermissionEnforced(String permission, boolean enforced) { 22032 // TODO: Now that we no longer change GID for storage, this should to away. 22033 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 22034 "setPermissionEnforced"); 22035 if (READ_EXTERNAL_STORAGE.equals(permission)) { 22036 synchronized (mPackages) { 22037 if (mSettings.mReadExternalStorageEnforced == null 22038 || mSettings.mReadExternalStorageEnforced != enforced) { 22039 mSettings.mReadExternalStorageEnforced = 22040 enforced ? Boolean.TRUE : Boolean.FALSE; 22041 mSettings.writeLPr(); 22042 } 22043 } 22044 // kill any non-foreground processes so we restart them and 22045 // grant/revoke the GID. 22046 final IActivityManager am = ActivityManager.getService(); 22047 if (am != null) { 22048 final long token = Binder.clearCallingIdentity(); 22049 try { 22050 am.killProcessesBelowForeground("setPermissionEnforcement"); 22051 } catch (RemoteException e) { 22052 } finally { 22053 Binder.restoreCallingIdentity(token); 22054 } 22055 } 22056 } else { 22057 throw new IllegalArgumentException("No selective enforcement for " + permission); 22058 } 22059 } 22060 22061 @Override 22062 @Deprecated 22063 public boolean isPermissionEnforced(String permission) { 22064 // allow instant applications 22065 return true; 22066 } 22067 22068 @Override 22069 public boolean isStorageLow() { 22070 // allow instant applications 22071 final long token = Binder.clearCallingIdentity(); 22072 try { 22073 final DeviceStorageMonitorInternal 22074 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 22075 if (dsm != null) { 22076 return dsm.isMemoryLow(); 22077 } else { 22078 return false; 22079 } 22080 } finally { 22081 Binder.restoreCallingIdentity(token); 22082 } 22083 } 22084 22085 @Override 22086 public IPackageInstaller getPackageInstaller() { 22087 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 22088 return null; 22089 } 22090 return mInstallerService; 22091 } 22092 22093 private boolean userNeedsBadging(int userId) { 22094 int index = mUserNeedsBadging.indexOfKey(userId); 22095 if (index < 0) { 22096 final UserInfo userInfo; 22097 final long token = Binder.clearCallingIdentity(); 22098 try { 22099 userInfo = sUserManager.getUserInfo(userId); 22100 } finally { 22101 Binder.restoreCallingIdentity(token); 22102 } 22103 final boolean b; 22104 if (userInfo != null && userInfo.isManagedProfile()) { 22105 b = true; 22106 } else { 22107 b = false; 22108 } 22109 mUserNeedsBadging.put(userId, b); 22110 return b; 22111 } 22112 return mUserNeedsBadging.valueAt(index); 22113 } 22114 22115 @Override 22116 public KeySet getKeySetByAlias(String packageName, String alias) { 22117 if (packageName == null || alias == null) { 22118 return null; 22119 } 22120 synchronized(mPackages) { 22121 final PackageParser.Package pkg = mPackages.get(packageName); 22122 if (pkg == null) { 22123 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22124 throw new IllegalArgumentException("Unknown package: " + packageName); 22125 } 22126 final PackageSetting ps = (PackageSetting) pkg.mExtras; 22127 if (filterAppAccessLPr(ps, Binder.getCallingUid(), UserHandle.getCallingUserId())) { 22128 Slog.w(TAG, "KeySet requested for filtered package: " + packageName); 22129 throw new IllegalArgumentException("Unknown package: " + packageName); 22130 } 22131 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 22132 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 22133 } 22134 } 22135 22136 @Override 22137 public KeySet getSigningKeySet(String packageName) { 22138 if (packageName == null) { 22139 return null; 22140 } 22141 synchronized(mPackages) { 22142 final int callingUid = Binder.getCallingUid(); 22143 final int callingUserId = UserHandle.getUserId(callingUid); 22144 final PackageParser.Package pkg = mPackages.get(packageName); 22145 if (pkg == null) { 22146 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22147 throw new IllegalArgumentException("Unknown package: " + packageName); 22148 } 22149 final PackageSetting ps = (PackageSetting) pkg.mExtras; 22150 if (filterAppAccessLPr(ps, callingUid, callingUserId)) { 22151 // filter and pretend the package doesn't exist 22152 Slog.w(TAG, "KeySet requested for filtered package: " + packageName 22153 + ", uid:" + callingUid); 22154 throw new IllegalArgumentException("Unknown package: " + packageName); 22155 } 22156 if (pkg.applicationInfo.uid != callingUid 22157 && Process.SYSTEM_UID != callingUid) { 22158 throw new SecurityException("May not access signing KeySet of other apps."); 22159 } 22160 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 22161 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 22162 } 22163 } 22164 22165 @Override 22166 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 22167 final int callingUid = Binder.getCallingUid(); 22168 if (getInstantAppPackageName(callingUid) != null) { 22169 return false; 22170 } 22171 if (packageName == null || ks == null) { 22172 return false; 22173 } 22174 synchronized(mPackages) { 22175 final PackageParser.Package pkg = mPackages.get(packageName); 22176 if (pkg == null 22177 || filterAppAccessLPr((PackageSetting) pkg.mExtras, callingUid, 22178 UserHandle.getUserId(callingUid))) { 22179 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22180 throw new IllegalArgumentException("Unknown package: " + packageName); 22181 } 22182 IBinder ksh = ks.getToken(); 22183 if (ksh instanceof KeySetHandle) { 22184 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 22185 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 22186 } 22187 return false; 22188 } 22189 } 22190 22191 @Override 22192 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 22193 final int callingUid = Binder.getCallingUid(); 22194 if (getInstantAppPackageName(callingUid) != null) { 22195 return false; 22196 } 22197 if (packageName == null || ks == null) { 22198 return false; 22199 } 22200 synchronized(mPackages) { 22201 final PackageParser.Package pkg = mPackages.get(packageName); 22202 if (pkg == null 22203 || filterAppAccessLPr((PackageSetting) pkg.mExtras, callingUid, 22204 UserHandle.getUserId(callingUid))) { 22205 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 22206 throw new IllegalArgumentException("Unknown package: " + packageName); 22207 } 22208 IBinder ksh = ks.getToken(); 22209 if (ksh instanceof KeySetHandle) { 22210 final KeySetManagerService ksms = mSettings.mKeySetManagerService; 22211 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 22212 } 22213 return false; 22214 } 22215 } 22216 22217 private void deletePackageIfUnusedLPr(final String packageName) { 22218 PackageSetting ps = mSettings.mPackages.get(packageName); 22219 if (ps == null) { 22220 return; 22221 } 22222 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 22223 // TODO Implement atomic delete if package is unused 22224 // It is currently possible that the package will be deleted even if it is installed 22225 // after this method returns. 22226 mHandler.post(new Runnable() { 22227 public void run() { 22228 deletePackageX(packageName, PackageManager.VERSION_CODE_HIGHEST, 22229 0, PackageManager.DELETE_ALL_USERS); 22230 } 22231 }); 22232 } 22233 } 22234 22235 /** 22236 * Check and throw if the given before/after packages would be considered a 22237 * downgrade. 22238 */ 22239 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 22240 throws PackageManagerException { 22241 if (after.versionCode < before.mVersionCode) { 22242 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22243 "Update version code " + after.versionCode + " is older than current " 22244 + before.mVersionCode); 22245 } else if (after.versionCode == before.mVersionCode) { 22246 if (after.baseRevisionCode < before.baseRevisionCode) { 22247 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22248 "Update base revision code " + after.baseRevisionCode 22249 + " is older than current " + before.baseRevisionCode); 22250 } 22251 22252 if (!ArrayUtils.isEmpty(after.splitNames)) { 22253 for (int i = 0; i < after.splitNames.length; i++) { 22254 final String splitName = after.splitNames[i]; 22255 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 22256 if (j != -1) { 22257 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 22258 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 22259 "Update split " + splitName + " revision code " 22260 + after.splitRevisionCodes[i] + " is older than current " 22261 + before.splitRevisionCodes[j]); 22262 } 22263 } 22264 } 22265 } 22266 } 22267 } 22268 22269 private static class MoveCallbacks extends Handler { 22270 private static final int MSG_CREATED = 1; 22271 private static final int MSG_STATUS_CHANGED = 2; 22272 22273 private final RemoteCallbackList<IPackageMoveObserver> 22274 mCallbacks = new RemoteCallbackList<>(); 22275 22276 private final SparseIntArray mLastStatus = new SparseIntArray(); 22277 22278 public MoveCallbacks(Looper looper) { 22279 super(looper); 22280 } 22281 22282 public void register(IPackageMoveObserver callback) { 22283 mCallbacks.register(callback); 22284 } 22285 22286 public void unregister(IPackageMoveObserver callback) { 22287 mCallbacks.unregister(callback); 22288 } 22289 22290 @Override 22291 public void handleMessage(Message msg) { 22292 final SomeArgs args = (SomeArgs) msg.obj; 22293 final int n = mCallbacks.beginBroadcast(); 22294 for (int i = 0; i < n; i++) { 22295 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 22296 try { 22297 invokeCallback(callback, msg.what, args); 22298 } catch (RemoteException ignored) { 22299 } 22300 } 22301 mCallbacks.finishBroadcast(); 22302 args.recycle(); 22303 } 22304 22305 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 22306 throws RemoteException { 22307 switch (what) { 22308 case MSG_CREATED: { 22309 callback.onCreated(args.argi1, (Bundle) args.arg2); 22310 break; 22311 } 22312 case MSG_STATUS_CHANGED: { 22313 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 22314 break; 22315 } 22316 } 22317 } 22318 22319 private void notifyCreated(int moveId, Bundle extras) { 22320 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 22321 22322 final SomeArgs args = SomeArgs.obtain(); 22323 args.argi1 = moveId; 22324 args.arg2 = extras; 22325 obtainMessage(MSG_CREATED, args).sendToTarget(); 22326 } 22327 22328 private void notifyStatusChanged(int moveId, int status) { 22329 notifyStatusChanged(moveId, status, -1); 22330 } 22331 22332 private void notifyStatusChanged(int moveId, int status, long estMillis) { 22333 Slog.v(TAG, "Move " + moveId + " status " + status); 22334 22335 final SomeArgs args = SomeArgs.obtain(); 22336 args.argi1 = moveId; 22337 args.argi2 = status; 22338 args.arg3 = estMillis; 22339 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 22340 22341 synchronized (mLastStatus) { 22342 mLastStatus.put(moveId, status); 22343 } 22344 } 22345 } 22346 22347 private final static class OnPermissionChangeListeners extends Handler { 22348 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 22349 22350 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 22351 new RemoteCallbackList<>(); 22352 22353 public OnPermissionChangeListeners(Looper looper) { 22354 super(looper); 22355 } 22356 22357 @Override 22358 public void handleMessage(Message msg) { 22359 switch (msg.what) { 22360 case MSG_ON_PERMISSIONS_CHANGED: { 22361 final int uid = msg.arg1; 22362 handleOnPermissionsChanged(uid); 22363 } break; 22364 } 22365 } 22366 22367 public void addListenerLocked(IOnPermissionsChangeListener listener) { 22368 mPermissionListeners.register(listener); 22369 22370 } 22371 22372 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 22373 mPermissionListeners.unregister(listener); 22374 } 22375 22376 public void onPermissionsChanged(int uid) { 22377 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 22378 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 22379 } 22380 } 22381 22382 private void handleOnPermissionsChanged(int uid) { 22383 final int count = mPermissionListeners.beginBroadcast(); 22384 try { 22385 for (int i = 0; i < count; i++) { 22386 IOnPermissionsChangeListener callback = mPermissionListeners 22387 .getBroadcastItem(i); 22388 try { 22389 callback.onPermissionsChanged(uid); 22390 } catch (RemoteException e) { 22391 Log.e(TAG, "Permission listener is dead", e); 22392 } 22393 } 22394 } finally { 22395 mPermissionListeners.finishBroadcast(); 22396 } 22397 } 22398 } 22399 22400 private class PackageManagerNative extends IPackageManagerNative.Stub { 22401 @Override 22402 public String[] getNamesForUids(int[] uids) throws RemoteException { 22403 final String[] results = PackageManagerService.this.getNamesForUids(uids); 22404 // massage results so they can be parsed by the native binder 22405 for (int i = results.length - 1; i >= 0; --i) { 22406 if (results[i] == null) { 22407 results[i] = ""; 22408 } 22409 } 22410 return results; 22411 } 22412 22413 // NB: this differentiates between preloads and sideloads 22414 @Override 22415 public String getInstallerForPackage(String packageName) throws RemoteException { 22416 final String installerName = getInstallerPackageName(packageName); 22417 if (!TextUtils.isEmpty(installerName)) { 22418 return installerName; 22419 } 22420 // differentiate between preload and sideload 22421 int callingUser = UserHandle.getUserId(Binder.getCallingUid()); 22422 ApplicationInfo appInfo = getApplicationInfo(packageName, 22423 /*flags*/ 0, 22424 /*userId*/ callingUser); 22425 if (appInfo != null && (appInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 22426 return "preload"; 22427 } 22428 return ""; 22429 } 22430 22431 @Override 22432 public int getVersionCodeForPackage(String packageName) throws RemoteException { 22433 try { 22434 int callingUser = UserHandle.getUserId(Binder.getCallingUid()); 22435 PackageInfo pInfo = getPackageInfo(packageName, 0, callingUser); 22436 if (pInfo != null) { 22437 return pInfo.versionCode; 22438 } 22439 } catch (Exception e) { 22440 } 22441 return 0; 22442 } 22443 } 22444 22445 private class PackageManagerInternalImpl extends PackageManagerInternal { 22446 @Override 22447 public void updatePermissionFlagsTEMP(String permName, String packageName, int flagMask, 22448 int flagValues, int userId) { 22449 PackageManagerService.this.updatePermissionFlags( 22450 permName, packageName, flagMask, flagValues, userId); 22451 } 22452 22453 @Override 22454 public int getPermissionFlagsTEMP(String permName, String packageName, int userId) { 22455 return PackageManagerService.this.getPermissionFlags(permName, packageName, userId); 22456 } 22457 22458 @Override 22459 public boolean isInstantApp(String packageName, int userId) { 22460 return PackageManagerService.this.isInstantApp(packageName, userId); 22461 } 22462 22463 @Override 22464 public String getInstantAppPackageName(int uid) { 22465 return PackageManagerService.this.getInstantAppPackageName(uid); 22466 } 22467 22468 @Override 22469 public boolean filterAppAccess(PackageParser.Package pkg, int callingUid, int userId) { 22470 synchronized (mPackages) { 22471 return PackageManagerService.this.filterAppAccessLPr( 22472 (PackageSetting) pkg.mExtras, callingUid, userId); 22473 } 22474 } 22475 22476 @Override 22477 public PackageParser.Package getPackage(String packageName) { 22478 synchronized (mPackages) { 22479 packageName = resolveInternalPackageNameLPr( 22480 packageName, PackageManager.VERSION_CODE_HIGHEST); 22481 return mPackages.get(packageName); 22482 } 22483 } 22484 22485 @Override 22486 public PackageParser.Package getDisabledPackage(String packageName) { 22487 synchronized (mPackages) { 22488 final PackageSetting ps = mSettings.getDisabledSystemPkgLPr(packageName); 22489 return (ps != null) ? ps.pkg : null; 22490 } 22491 } 22492 22493 @Override 22494 public String getKnownPackageName(int knownPackage, int userId) { 22495 switch(knownPackage) { 22496 case PackageManagerInternal.PACKAGE_BROWSER: 22497 return getDefaultBrowserPackageName(userId); 22498 case PackageManagerInternal.PACKAGE_INSTALLER: 22499 return mRequiredInstallerPackage; 22500 case PackageManagerInternal.PACKAGE_SETUP_WIZARD: 22501 return mSetupWizardPackage; 22502 case PackageManagerInternal.PACKAGE_SYSTEM: 22503 return "android"; 22504 case PackageManagerInternal.PACKAGE_VERIFIER: 22505 return mRequiredVerifierPackage; 22506 } 22507 return null; 22508 } 22509 22510 @Override 22511 public boolean isResolveActivityComponent(ComponentInfo component) { 22512 return mResolveActivity.packageName.equals(component.packageName) 22513 && mResolveActivity.name.equals(component.name); 22514 } 22515 22516 @Override 22517 public void setLocationPackagesProvider(PackagesProvider provider) { 22518 mDefaultPermissionPolicy.setLocationPackagesProvider(provider); 22519 } 22520 22521 @Override 22522 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 22523 mDefaultPermissionPolicy.setVoiceInteractionPackagesProvider(provider); 22524 } 22525 22526 @Override 22527 public void setSmsAppPackagesProvider(PackagesProvider provider) { 22528 mDefaultPermissionPolicy.setSmsAppPackagesProvider(provider); 22529 } 22530 22531 @Override 22532 public void setDialerAppPackagesProvider(PackagesProvider provider) { 22533 mDefaultPermissionPolicy.setDialerAppPackagesProvider(provider); 22534 } 22535 22536 @Override 22537 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 22538 mDefaultPermissionPolicy.setSimCallManagerPackagesProvider(provider); 22539 } 22540 22541 @Override 22542 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 22543 mDefaultPermissionPolicy.setSyncAdapterPackagesProvider(provider); 22544 } 22545 22546 @Override 22547 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 22548 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsApp(packageName, userId); 22549 } 22550 22551 @Override 22552 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 22553 synchronized (mPackages) { 22554 mSettings.setDefaultDialerPackageNameLPw(packageName, userId); 22555 } 22556 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerApp(packageName, userId); 22557 } 22558 22559 @Override 22560 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 22561 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManager( 22562 packageName, userId); 22563 } 22564 22565 @Override 22566 public void setKeepUninstalledPackages(final List<String> packageList) { 22567 Preconditions.checkNotNull(packageList); 22568 List<String> removedFromList = null; 22569 synchronized (mPackages) { 22570 if (mKeepUninstalledPackages != null) { 22571 final int packagesCount = mKeepUninstalledPackages.size(); 22572 for (int i = 0; i < packagesCount; i++) { 22573 String oldPackage = mKeepUninstalledPackages.get(i); 22574 if (packageList != null && packageList.contains(oldPackage)) { 22575 continue; 22576 } 22577 if (removedFromList == null) { 22578 removedFromList = new ArrayList<>(); 22579 } 22580 removedFromList.add(oldPackage); 22581 } 22582 } 22583 mKeepUninstalledPackages = new ArrayList<>(packageList); 22584 if (removedFromList != null) { 22585 final int removedCount = removedFromList.size(); 22586 for (int i = 0; i < removedCount; i++) { 22587 deletePackageIfUnusedLPr(removedFromList.get(i)); 22588 } 22589 } 22590 } 22591 } 22592 22593 @Override 22594 public boolean isPermissionsReviewRequired(String packageName, int userId) { 22595 synchronized (mPackages) { 22596 return mPermissionManager.isPermissionsReviewRequired( 22597 mPackages.get(packageName), userId); 22598 } 22599 } 22600 22601 @Override 22602 public PackageInfo getPackageInfo( 22603 String packageName, int flags, int filterCallingUid, int userId) { 22604 return PackageManagerService.this 22605 .getPackageInfoInternal(packageName, PackageManager.VERSION_CODE_HIGHEST, 22606 flags, filterCallingUid, userId); 22607 } 22608 22609 @Override 22610 public ApplicationInfo getApplicationInfo( 22611 String packageName, int flags, int filterCallingUid, int userId) { 22612 return PackageManagerService.this 22613 .getApplicationInfoInternal(packageName, flags, filterCallingUid, userId); 22614 } 22615 22616 @Override 22617 public ActivityInfo getActivityInfo( 22618 ComponentName component, int flags, int filterCallingUid, int userId) { 22619 return PackageManagerService.this 22620 .getActivityInfoInternal(component, flags, filterCallingUid, userId); 22621 } 22622 22623 @Override 22624 public List<ResolveInfo> queryIntentActivities( 22625 Intent intent, int flags, int filterCallingUid, int userId) { 22626 final String resolvedType = intent.resolveTypeIfNeeded(mContext.getContentResolver()); 22627 return PackageManagerService.this 22628 .queryIntentActivitiesInternal(intent, resolvedType, flags, filterCallingUid, 22629 userId, false /*resolveForStart*/, true /*allowDynamicSplits*/); 22630 } 22631 22632 @Override 22633 public List<ResolveInfo> queryIntentServices( 22634 Intent intent, int flags, int callingUid, int userId) { 22635 final String resolvedType = intent.resolveTypeIfNeeded(mContext.getContentResolver()); 22636 return PackageManagerService.this 22637 .queryIntentServicesInternal(intent, resolvedType, flags, userId, callingUid, 22638 false); 22639 } 22640 22641 @Override 22642 public ComponentName getHomeActivitiesAsUser(List<ResolveInfo> allHomeCandidates, 22643 int userId) { 22644 return PackageManagerService.this.getHomeActivitiesAsUser(allHomeCandidates, userId); 22645 } 22646 22647 @Override 22648 public void setDeviceAndProfileOwnerPackages( 22649 int deviceOwnerUserId, String deviceOwnerPackage, 22650 SparseArray<String> profileOwnerPackages) { 22651 mProtectedPackages.setDeviceAndProfileOwnerPackages( 22652 deviceOwnerUserId, deviceOwnerPackage, profileOwnerPackages); 22653 } 22654 22655 @Override 22656 public boolean isPackageDataProtected(int userId, String packageName) { 22657 return mProtectedPackages.isPackageDataProtected(userId, packageName); 22658 } 22659 22660 @Override 22661 public boolean isPackageEphemeral(int userId, String packageName) { 22662 synchronized (mPackages) { 22663 final PackageSetting ps = mSettings.mPackages.get(packageName); 22664 return ps != null ? ps.getInstantApp(userId) : false; 22665 } 22666 } 22667 22668 @Override 22669 public boolean wasPackageEverLaunched(String packageName, int userId) { 22670 synchronized (mPackages) { 22671 return mSettings.wasPackageEverLaunchedLPr(packageName, userId); 22672 } 22673 } 22674 22675 @Override 22676 public void grantRuntimePermission(String packageName, String permName, int userId, 22677 boolean overridePolicy) { 22678 PackageManagerService.this.mPermissionManager.grantRuntimePermission( 22679 permName, packageName, overridePolicy, getCallingUid(), userId, 22680 mPermissionCallback); 22681 } 22682 22683 @Override 22684 public void revokeRuntimePermission(String packageName, String permName, int userId, 22685 boolean overridePolicy) { 22686 mPermissionManager.revokeRuntimePermission( 22687 permName, packageName, overridePolicy, getCallingUid(), userId, 22688 mPermissionCallback); 22689 } 22690 22691 @Override 22692 public String getNameForUid(int uid) { 22693 return PackageManagerService.this.getNameForUid(uid); 22694 } 22695 22696 @Override 22697 public void requestInstantAppResolutionPhaseTwo(AuxiliaryResolveInfo responseObj, 22698 Intent origIntent, String resolvedType, String callingPackage, 22699 Bundle verificationBundle, int userId) { 22700 PackageManagerService.this.requestInstantAppResolutionPhaseTwo( 22701 responseObj, origIntent, resolvedType, callingPackage, verificationBundle, 22702 userId); 22703 } 22704 22705 @Override 22706 public void grantEphemeralAccess(int userId, Intent intent, 22707 int targetAppId, int ephemeralAppId) { 22708 synchronized (mPackages) { 22709 mInstantAppRegistry.grantInstantAccessLPw(userId, intent, 22710 targetAppId, ephemeralAppId); 22711 } 22712 } 22713 22714 @Override 22715 public boolean isInstantAppInstallerComponent(ComponentName component) { 22716 synchronized (mPackages) { 22717 return mInstantAppInstallerActivity != null 22718 && mInstantAppInstallerActivity.getComponentName().equals(component); 22719 } 22720 } 22721 22722 @Override 22723 public void pruneInstantApps() { 22724 mInstantAppRegistry.pruneInstantApps(); 22725 } 22726 22727 @Override 22728 public String getSetupWizardPackageName() { 22729 return mSetupWizardPackage; 22730 } 22731 22732 public void setExternalSourcesPolicy(ExternalSourcesPolicy policy) { 22733 if (policy != null) { 22734 mExternalSourcesPolicy = policy; 22735 } 22736 } 22737 22738 @Override 22739 public boolean isPackagePersistent(String packageName) { 22740 synchronized (mPackages) { 22741 PackageParser.Package pkg = mPackages.get(packageName); 22742 return pkg != null 22743 ? ((pkg.applicationInfo.flags&(ApplicationInfo.FLAG_SYSTEM 22744 | ApplicationInfo.FLAG_PERSISTENT)) == 22745 (ApplicationInfo.FLAG_SYSTEM | ApplicationInfo.FLAG_PERSISTENT)) 22746 : false; 22747 } 22748 } 22749 22750 @Override 22751 public boolean isLegacySystemApp(Package pkg) { 22752 synchronized (mPackages) { 22753 final PackageSetting ps = (PackageSetting) pkg.mExtras; 22754 return mPromoteSystemApps 22755 && ps.isSystem() 22756 && mExistingSystemPackages.contains(ps.name); 22757 } 22758 } 22759 22760 @Override 22761 public List<PackageInfo> getOverlayPackages(int userId) { 22762 final ArrayList<PackageInfo> overlayPackages = new ArrayList<PackageInfo>(); 22763 synchronized (mPackages) { 22764 for (PackageParser.Package p : mPackages.values()) { 22765 if (p.mOverlayTarget != null) { 22766 PackageInfo pkg = generatePackageInfo((PackageSetting)p.mExtras, 0, userId); 22767 if (pkg != null) { 22768 overlayPackages.add(pkg); 22769 } 22770 } 22771 } 22772 } 22773 return overlayPackages; 22774 } 22775 22776 @Override 22777 public List<String> getTargetPackageNames(int userId) { 22778 List<String> targetPackages = new ArrayList<>(); 22779 synchronized (mPackages) { 22780 for (PackageParser.Package p : mPackages.values()) { 22781 if (p.mOverlayTarget == null) { 22782 targetPackages.add(p.packageName); 22783 } 22784 } 22785 } 22786 return targetPackages; 22787 } 22788 22789 @Override 22790 public boolean setEnabledOverlayPackages(int userId, @NonNull String targetPackageName, 22791 @Nullable List<String> overlayPackageNames) { 22792 synchronized (mPackages) { 22793 if (targetPackageName == null || mPackages.get(targetPackageName) == null) { 22794 Slog.e(TAG, "failed to find package " + targetPackageName); 22795 return false; 22796 } 22797 ArrayList<String> overlayPaths = null; 22798 if (overlayPackageNames != null && overlayPackageNames.size() > 0) { 22799 final int N = overlayPackageNames.size(); 22800 overlayPaths = new ArrayList<>(N); 22801 for (int i = 0; i < N; i++) { 22802 final String packageName = overlayPackageNames.get(i); 22803 final PackageParser.Package pkg = mPackages.get(packageName); 22804 if (pkg == null) { 22805 Slog.e(TAG, "failed to find package " + packageName); 22806 return false; 22807 } 22808 overlayPaths.add(pkg.baseCodePath); 22809 } 22810 } 22811 22812 final PackageSetting ps = mSettings.mPackages.get(targetPackageName); 22813 ps.setOverlayPaths(overlayPaths, userId); 22814 return true; 22815 } 22816 } 22817 22818 @Override 22819 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 22820 int flags, int userId, boolean resolveForStart) { 22821 return resolveIntentInternal( 22822 intent, resolvedType, flags, userId, resolveForStart); 22823 } 22824 22825 @Override 22826 public ResolveInfo resolveService(Intent intent, String resolvedType, 22827 int flags, int userId, int callingUid) { 22828 return resolveServiceInternal(intent, resolvedType, flags, userId, callingUid); 22829 } 22830 22831 @Override 22832 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 22833 return PackageManagerService.this.resolveContentProviderInternal( 22834 name, flags, userId); 22835 } 22836 22837 @Override 22838 public void addIsolatedUid(int isolatedUid, int ownerUid) { 22839 synchronized (mPackages) { 22840 mIsolatedOwners.put(isolatedUid, ownerUid); 22841 } 22842 } 22843 22844 @Override 22845 public void removeIsolatedUid(int isolatedUid) { 22846 synchronized (mPackages) { 22847 mIsolatedOwners.delete(isolatedUid); 22848 } 22849 } 22850 22851 @Override 22852 public int getUidTargetSdkVersion(int uid) { 22853 synchronized (mPackages) { 22854 return getUidTargetSdkVersionLockedLPr(uid); 22855 } 22856 } 22857 22858 @Override 22859 public boolean canAccessInstantApps(int callingUid, int userId) { 22860 return PackageManagerService.this.canViewInstantApps(callingUid, userId); 22861 } 22862 22863 @Override 22864 public boolean hasInstantApplicationMetadata(String packageName, int userId) { 22865 synchronized (mPackages) { 22866 return mInstantAppRegistry.hasInstantApplicationMetadataLPr(packageName, userId); 22867 } 22868 } 22869 22870 @Override 22871 public void notifyPackageUse(String packageName, int reason) { 22872 synchronized (mPackages) { 22873 PackageManagerService.this.notifyPackageUseLocked(packageName, reason); 22874 } 22875 } 22876 } 22877 22878 @Override 22879 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 22880 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 22881 synchronized (mPackages) { 22882 final long identity = Binder.clearCallingIdentity(); 22883 try { 22884 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierApps( 22885 packageNames, userId); 22886 } finally { 22887 Binder.restoreCallingIdentity(identity); 22888 } 22889 } 22890 } 22891 22892 @Override 22893 public void grantDefaultPermissionsToEnabledImsServices(String[] packageNames, int userId) { 22894 enforceSystemOrPhoneCaller("grantDefaultPermissionsToEnabledImsServices"); 22895 synchronized (mPackages) { 22896 final long identity = Binder.clearCallingIdentity(); 22897 try { 22898 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledImsServices( 22899 packageNames, userId); 22900 } finally { 22901 Binder.restoreCallingIdentity(identity); 22902 } 22903 } 22904 } 22905 22906 private static void enforceSystemOrPhoneCaller(String tag) { 22907 int callingUid = Binder.getCallingUid(); 22908 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 22909 throw new SecurityException( 22910 "Cannot call " + tag + " from UID " + callingUid); 22911 } 22912 } 22913 22914 boolean isHistoricalPackageUsageAvailable() { 22915 return mPackageUsage.isHistoricalPackageUsageAvailable(); 22916 } 22917 22918 /** 22919 * Return a <b>copy</b> of the collection of packages known to the package manager. 22920 * @return A copy of the values of mPackages. 22921 */ 22922 Collection<PackageParser.Package> getPackages() { 22923 synchronized (mPackages) { 22924 return new ArrayList<>(mPackages.values()); 22925 } 22926 } 22927 22928 /** 22929 * Logs process start information (including base APK hash) to the security log. 22930 * @hide 22931 */ 22932 @Override 22933 public void logAppProcessStartIfNeeded(String processName, int uid, String seinfo, 22934 String apkFile, int pid) { 22935 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 22936 return; 22937 } 22938 if (!SecurityLog.isLoggingEnabled()) { 22939 return; 22940 } 22941 Bundle data = new Bundle(); 22942 data.putLong("startTimestamp", System.currentTimeMillis()); 22943 data.putString("processName", processName); 22944 data.putInt("uid", uid); 22945 data.putString("seinfo", seinfo); 22946 data.putString("apkFile", apkFile); 22947 data.putInt("pid", pid); 22948 Message msg = mProcessLoggingHandler.obtainMessage( 22949 ProcessLoggingHandler.LOG_APP_PROCESS_START_MSG); 22950 msg.setData(data); 22951 mProcessLoggingHandler.sendMessage(msg); 22952 } 22953 22954 public CompilerStats.PackageStats getCompilerPackageStats(String pkgName) { 22955 return mCompilerStats.getPackageStats(pkgName); 22956 } 22957 22958 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(PackageParser.Package pkg) { 22959 return getOrCreateCompilerPackageStats(pkg.packageName); 22960 } 22961 22962 public CompilerStats.PackageStats getOrCreateCompilerPackageStats(String pkgName) { 22963 return mCompilerStats.getOrCreatePackageStats(pkgName); 22964 } 22965 22966 public void deleteCompilerPackageStats(String pkgName) { 22967 mCompilerStats.deletePackageStats(pkgName); 22968 } 22969 22970 @Override 22971 public int getInstallReason(String packageName, int userId) { 22972 final int callingUid = Binder.getCallingUid(); 22973 mPermissionManager.enforceCrossUserPermission(callingUid, userId, 22974 true /* requireFullPermission */, false /* checkShell */, 22975 "get install reason"); 22976 synchronized (mPackages) { 22977 final PackageSetting ps = mSettings.mPackages.get(packageName); 22978 if (filterAppAccessLPr(ps, callingUid, userId)) { 22979 return PackageManager.INSTALL_REASON_UNKNOWN; 22980 } 22981 if (ps != null) { 22982 return ps.getInstallReason(userId); 22983 } 22984 } 22985 return PackageManager.INSTALL_REASON_UNKNOWN; 22986 } 22987 22988 @Override 22989 public boolean canRequestPackageInstalls(String packageName, int userId) { 22990 return canRequestPackageInstallsInternal(packageName, 0, userId, 22991 true /* throwIfPermNotDeclared*/); 22992 } 22993 22994 private boolean canRequestPackageInstallsInternal(String packageName, int flags, int userId, 22995 boolean throwIfPermNotDeclared) { 22996 int callingUid = Binder.getCallingUid(); 22997 int uid = getPackageUid(packageName, 0, userId); 22998 if (callingUid != uid && callingUid != Process.ROOT_UID 22999 && callingUid != Process.SYSTEM_UID) { 23000 throw new SecurityException( 23001 "Caller uid " + callingUid + " does not own package " + packageName); 23002 } 23003 ApplicationInfo info = getApplicationInfo(packageName, flags, userId); 23004 if (info == null) { 23005 return false; 23006 } 23007 if (info.targetSdkVersion < Build.VERSION_CODES.O) { 23008 return false; 23009 } 23010 String appOpPermission = Manifest.permission.REQUEST_INSTALL_PACKAGES; 23011 String[] packagesDeclaringPermission = getAppOpPermissionPackages(appOpPermission); 23012 if (!ArrayUtils.contains(packagesDeclaringPermission, packageName)) { 23013 if (throwIfPermNotDeclared) { 23014 throw new SecurityException("Need to declare " + appOpPermission 23015 + " to call this api"); 23016 } else { 23017 Slog.e(TAG, "Need to declare " + appOpPermission + " to call this api"); 23018 return false; 23019 } 23020 } 23021 if (sUserManager.hasUserRestriction(UserManager.DISALLOW_INSTALL_UNKNOWN_SOURCES, userId)) { 23022 return false; 23023 } 23024 if (mExternalSourcesPolicy != null) { 23025 int isTrusted = mExternalSourcesPolicy.getPackageTrustedToInstallApps(packageName, uid); 23026 if (isTrusted != PackageManagerInternal.ExternalSourcesPolicy.USER_DEFAULT) { 23027 return isTrusted == PackageManagerInternal.ExternalSourcesPolicy.USER_TRUSTED; 23028 } 23029 } 23030 return checkUidPermission(appOpPermission, uid) == PERMISSION_GRANTED; 23031 } 23032 23033 @Override 23034 public ComponentName getInstantAppResolverSettingsComponent() { 23035 return mInstantAppResolverSettingsComponent; 23036 } 23037 23038 @Override 23039 public ComponentName getInstantAppInstallerComponent() { 23040 if (getInstantAppPackageName(Binder.getCallingUid()) != null) { 23041 return null; 23042 } 23043 return mInstantAppInstallerActivity == null 23044 ? null : mInstantAppInstallerActivity.getComponentName(); 23045 } 23046 23047 @Override 23048 public String getInstantAppAndroidId(String packageName, int userId) { 23049 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.ACCESS_INSTANT_APPS, 23050 "getInstantAppAndroidId"); 23051 mPermissionManager.enforceCrossUserPermission(Binder.getCallingUid(), userId, 23052 true /* requireFullPermission */, false /* checkShell */, 23053 "getInstantAppAndroidId"); 23054 // Make sure the target is an Instant App. 23055 if (!isInstantApp(packageName, userId)) { 23056 return null; 23057 } 23058 synchronized (mPackages) { 23059 return mInstantAppRegistry.getInstantAppAndroidIdLPw(packageName, userId); 23060 } 23061 } 23062 23063 boolean canHaveOatDir(String packageName) { 23064 synchronized (mPackages) { 23065 PackageParser.Package p = mPackages.get(packageName); 23066 if (p == null) { 23067 return false; 23068 } 23069 return p.canHaveOatDir(); 23070 } 23071 } 23072 23073 private String getOatDir(PackageParser.Package pkg) { 23074 if (!pkg.canHaveOatDir()) { 23075 return null; 23076 } 23077 File codePath = new File(pkg.codePath); 23078 if (codePath.isDirectory()) { 23079 return PackageDexOptimizer.getOatDir(codePath).getAbsolutePath(); 23080 } 23081 return null; 23082 } 23083 23084 void deleteOatArtifactsOfPackage(String packageName) { 23085 final String[] instructionSets; 23086 final List<String> codePaths; 23087 final String oatDir; 23088 final PackageParser.Package pkg; 23089 synchronized (mPackages) { 23090 pkg = mPackages.get(packageName); 23091 } 23092 instructionSets = getAppDexInstructionSets(pkg.applicationInfo); 23093 codePaths = pkg.getAllCodePaths(); 23094 oatDir = getOatDir(pkg); 23095 23096 for (String codePath : codePaths) { 23097 for (String isa : instructionSets) { 23098 try { 23099 mInstaller.deleteOdex(codePath, isa, oatDir); 23100 } catch (InstallerException e) { 23101 Log.e(TAG, "Failed deleting oat files for " + codePath, e); 23102 } 23103 } 23104 } 23105 } 23106 23107 Set<String> getUnusedPackages(long downgradeTimeThresholdMillis) { 23108 Set<String> unusedPackages = new HashSet<>(); 23109 long currentTimeInMillis = System.currentTimeMillis(); 23110 synchronized (mPackages) { 23111 for (PackageParser.Package pkg : mPackages.values()) { 23112 PackageSetting ps = mSettings.mPackages.get(pkg.packageName); 23113 if (ps == null) { 23114 continue; 23115 } 23116 PackageDexUsage.PackageUseInfo packageUseInfo = 23117 getDexManager().getPackageUseInfoOrDefault(pkg.packageName); 23118 if (PackageManagerServiceUtils 23119 .isUnusedSinceTimeInMillis(ps.firstInstallTime, currentTimeInMillis, 23120 downgradeTimeThresholdMillis, packageUseInfo, 23121 pkg.getLatestPackageUseTimeInMills(), 23122 pkg.getLatestForegroundPackageUseTimeInMills())) { 23123 unusedPackages.add(pkg.packageName); 23124 } 23125 } 23126 } 23127 return unusedPackages; 23128 } 23129} 23130 23131interface PackageSender { 23132 void sendPackageBroadcast(final String action, final String pkg, 23133 final Bundle extras, final int flags, final String targetPkg, 23134 final IIntentReceiver finishedReceiver, final int[] userIds); 23135 void sendPackageAddedForNewUsers(String packageName, boolean sendBootCompleted, 23136 boolean includeStopped, int appId, int... userIds); 23137} 23138