PackageManagerService.java revision db4a79a5d7d348e9d2286d95d4e5a59dd484456f
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.READ_EXTERNAL_STORAGE; 20import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE; 21import static android.Manifest.permission.WRITE_MEDIA_STORAGE; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 26import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 27import static android.content.pm.PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 28import static android.content.pm.PackageManager.FLAG_PERMISSION_POLICY_FIXED; 29import static android.content.pm.PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 30import static android.content.pm.PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE; 31import static android.content.pm.PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 32import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_FIXED; 33import static android.content.pm.PackageManager.FLAG_PERMISSION_USER_SET; 34import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 35import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 36import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 37import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 38import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 39import static android.content.pm.PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 40import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 41import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 42import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 43import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 44import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 45import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 46import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 47import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 48import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 49import static android.content.pm.PackageManager.INSTALL_FAILED_UID_CHANGED; 50import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 51import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 52import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 53import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 54import static android.content.pm.PackageManager.INSTALL_INTERNAL; 55import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 56import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 57import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 58import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 60import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 61import static android.content.pm.PackageManager.MATCH_ALL; 62import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 63import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 64import static android.content.pm.PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE; 65import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 66import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 67import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 68import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 69import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 70import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 71import static android.content.pm.PackageManager.PERMISSION_DENIED; 72import static android.content.pm.PackageManager.PERMISSION_GRANTED; 73import static android.content.pm.PackageParser.isApkFile; 74import static android.os.Process.PACKAGE_INFO_GID; 75import static android.os.Process.SYSTEM_UID; 76import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 77import static android.system.OsConstants.O_CREAT; 78import static android.system.OsConstants.O_RDWR; 79 80import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 81import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 82import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 83import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 84import static com.android.internal.util.ArrayUtils.appendInt; 85import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 86import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 87import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 88import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 89import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 90import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 91import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 92import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 93import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 94 95import android.Manifest; 96import android.annotation.NonNull; 97import android.annotation.Nullable; 98import android.app.ActivityManager; 99import android.app.ActivityManagerNative; 100import android.app.AppGlobals; 101import android.app.IActivityManager; 102import android.app.admin.IDevicePolicyManager; 103import android.app.backup.IBackupManager; 104import android.content.BroadcastReceiver; 105import android.content.ComponentName; 106import android.content.Context; 107import android.content.IIntentReceiver; 108import android.content.Intent; 109import android.content.IntentFilter; 110import android.content.IntentSender; 111import android.content.IntentSender.SendIntentException; 112import android.content.ServiceConnection; 113import android.content.pm.ActivityInfo; 114import android.content.pm.ApplicationInfo; 115import android.content.pm.AppsQueryHelper; 116import android.content.pm.ComponentInfo; 117import android.content.pm.EphemeralApplicationInfo; 118import android.content.pm.EphemeralResolveInfo; 119import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 120import android.content.pm.FeatureInfo; 121import android.content.pm.IOnPermissionsChangeListener; 122import android.content.pm.IPackageDataObserver; 123import android.content.pm.IPackageDeleteObserver; 124import android.content.pm.IPackageDeleteObserver2; 125import android.content.pm.IPackageInstallObserver2; 126import android.content.pm.IPackageInstaller; 127import android.content.pm.IPackageManager; 128import android.content.pm.IPackageMoveObserver; 129import android.content.pm.IPackageStatsObserver; 130import android.content.pm.InstrumentationInfo; 131import android.content.pm.IntentFilterVerificationInfo; 132import android.content.pm.KeySet; 133import android.content.pm.PackageCleanItem; 134import android.content.pm.PackageInfo; 135import android.content.pm.PackageInfoLite; 136import android.content.pm.PackageInstaller; 137import android.content.pm.PackageManager; 138import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 139import android.content.pm.PackageManagerInternal; 140import android.content.pm.PackageParser; 141import android.content.pm.PackageParser.ActivityIntentInfo; 142import android.content.pm.PackageParser.PackageLite; 143import android.content.pm.PackageParser.PackageParserException; 144import android.content.pm.PackageStats; 145import android.content.pm.PackageUserState; 146import android.content.pm.ParceledListSlice; 147import android.content.pm.PermissionGroupInfo; 148import android.content.pm.PermissionInfo; 149import android.content.pm.ProviderInfo; 150import android.content.pm.ResolveInfo; 151import android.content.pm.ServiceInfo; 152import android.content.pm.Signature; 153import android.content.pm.UserInfo; 154import android.content.pm.VerificationParams; 155import android.content.pm.VerifierDeviceIdentity; 156import android.content.pm.VerifierInfo; 157import android.content.res.Resources; 158import android.graphics.Bitmap; 159import android.hardware.display.DisplayManager; 160import android.net.Uri; 161import android.os.Binder; 162import android.os.Build; 163import android.os.Bundle; 164import android.os.Debug; 165import android.os.Environment; 166import android.os.Environment.UserEnvironment; 167import android.os.FileUtils; 168import android.os.Handler; 169import android.os.IBinder; 170import android.os.Looper; 171import android.os.Message; 172import android.os.Parcel; 173import android.os.ParcelFileDescriptor; 174import android.os.Process; 175import android.os.RemoteCallbackList; 176import android.os.RemoteException; 177import android.os.ResultReceiver; 178import android.os.SELinux; 179import android.os.ServiceManager; 180import android.os.SystemClock; 181import android.os.SystemProperties; 182import android.os.Trace; 183import android.os.UserHandle; 184import android.os.UserManager; 185import android.os.storage.IMountService; 186import android.os.storage.MountServiceInternal; 187import android.os.storage.StorageEventListener; 188import android.os.storage.StorageManager; 189import android.os.storage.VolumeInfo; 190import android.os.storage.VolumeRecord; 191import android.security.KeyStore; 192import android.security.SystemKeyStore; 193import android.system.ErrnoException; 194import android.system.Os; 195import android.system.StructStat; 196import android.text.TextUtils; 197import android.text.format.DateUtils; 198import android.util.ArrayMap; 199import android.util.ArraySet; 200import android.util.AtomicFile; 201import android.util.DisplayMetrics; 202import android.util.EventLog; 203import android.util.ExceptionUtils; 204import android.util.Log; 205import android.util.LogPrinter; 206import android.util.MathUtils; 207import android.util.PrintStreamPrinter; 208import android.util.Slog; 209import android.util.SparseArray; 210import android.util.SparseBooleanArray; 211import android.util.SparseIntArray; 212import android.util.Xml; 213import android.view.Display; 214 215import com.android.internal.R; 216import com.android.internal.annotations.GuardedBy; 217import com.android.internal.app.IMediaContainerService; 218import com.android.internal.app.ResolverActivity; 219import com.android.internal.content.NativeLibraryHelper; 220import com.android.internal.content.PackageHelper; 221import com.android.internal.os.IParcelFileDescriptorFactory; 222import com.android.internal.os.InstallerConnection.InstallerException; 223import com.android.internal.os.SomeArgs; 224import com.android.internal.os.Zygote; 225import com.android.internal.util.ArrayUtils; 226import com.android.internal.util.FastPrintWriter; 227import com.android.internal.util.FastXmlSerializer; 228import com.android.internal.util.IndentingPrintWriter; 229import com.android.internal.util.Preconditions; 230import com.android.server.EventLogTags; 231import com.android.server.FgThread; 232import com.android.server.IntentResolver; 233import com.android.server.LocalServices; 234import com.android.server.ServiceThread; 235import com.android.server.SystemConfig; 236import com.android.server.Watchdog; 237import com.android.server.pm.PermissionsState.PermissionState; 238import com.android.server.pm.Settings.DatabaseVersion; 239import com.android.server.pm.Settings.VersionInfo; 240import com.android.server.storage.DeviceStorageMonitorInternal; 241 242import dalvik.system.DexFile; 243import dalvik.system.VMRuntime; 244 245import libcore.io.IoUtils; 246import libcore.util.EmptyArray; 247 248import org.xmlpull.v1.XmlPullParser; 249import org.xmlpull.v1.XmlPullParserException; 250import org.xmlpull.v1.XmlSerializer; 251 252import java.io.BufferedInputStream; 253import java.io.BufferedOutputStream; 254import java.io.BufferedReader; 255import java.io.ByteArrayInputStream; 256import java.io.ByteArrayOutputStream; 257import java.io.File; 258import java.io.FileDescriptor; 259import java.io.FileNotFoundException; 260import java.io.FileOutputStream; 261import java.io.FileReader; 262import java.io.FilenameFilter; 263import java.io.IOException; 264import java.io.InputStream; 265import java.io.PrintWriter; 266import java.nio.charset.StandardCharsets; 267import java.security.MessageDigest; 268import java.security.NoSuchAlgorithmException; 269import java.security.PublicKey; 270import java.security.cert.CertificateEncodingException; 271import java.security.cert.CertificateException; 272import java.text.SimpleDateFormat; 273import java.util.ArrayList; 274import java.util.Arrays; 275import java.util.Collection; 276import java.util.Collections; 277import java.util.Comparator; 278import java.util.Date; 279import java.util.Iterator; 280import java.util.List; 281import java.util.Map; 282import java.util.Objects; 283import java.util.Set; 284import java.util.concurrent.CountDownLatch; 285import java.util.concurrent.TimeUnit; 286import java.util.concurrent.atomic.AtomicBoolean; 287import java.util.concurrent.atomic.AtomicInteger; 288import java.util.concurrent.atomic.AtomicLong; 289 290/** 291 * Keep track of all those .apks everywhere. 292 * 293 * This is very central to the platform's security; please run the unit 294 * tests whenever making modifications here: 295 * 296runtest -c android.content.pm.PackageManagerTests frameworks-core 297 * 298 * {@hide} 299 */ 300public class PackageManagerService extends IPackageManager.Stub { 301 static final String TAG = "PackageManager"; 302 static final boolean DEBUG_SETTINGS = false; 303 static final boolean DEBUG_PREFERRED = false; 304 static final boolean DEBUG_UPGRADE = false; 305 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 306 private static final boolean DEBUG_BACKUP = false; 307 private static final boolean DEBUG_INSTALL = false; 308 private static final boolean DEBUG_REMOVE = false; 309 private static final boolean DEBUG_BROADCASTS = false; 310 private static final boolean DEBUG_SHOW_INFO = false; 311 private static final boolean DEBUG_PACKAGE_INFO = false; 312 private static final boolean DEBUG_INTENT_MATCHING = false; 313 private static final boolean DEBUG_PACKAGE_SCANNING = false; 314 private static final boolean DEBUG_VERIFY = false; 315 private static final boolean DEBUG_DEXOPT = false; 316 private static final boolean DEBUG_ABI_SELECTION = false; 317 private static final boolean DEBUG_EPHEMERAL = false; 318 private static final boolean DEBUG_TRIAGED_MISSING = false; 319 320 static final boolean CLEAR_RUNTIME_PERMISSIONS_ON_UPGRADE = false; 321 322 private static final boolean DISABLE_EPHEMERAL_APPS = true; 323 324 private static final int RADIO_UID = Process.PHONE_UID; 325 private static final int LOG_UID = Process.LOG_UID; 326 private static final int NFC_UID = Process.NFC_UID; 327 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 328 private static final int SHELL_UID = Process.SHELL_UID; 329 330 // Cap the size of permission trees that 3rd party apps can define 331 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 332 333 // Suffix used during package installation when copying/moving 334 // package apks to install directory. 335 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 336 337 static final int SCAN_NO_DEX = 1<<1; 338 static final int SCAN_FORCE_DEX = 1<<2; 339 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 340 static final int SCAN_NEW_INSTALL = 1<<4; 341 static final int SCAN_NO_PATHS = 1<<5; 342 static final int SCAN_UPDATE_TIME = 1<<6; 343 static final int SCAN_DEFER_DEX = 1<<7; 344 static final int SCAN_BOOTING = 1<<8; 345 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 346 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 347 static final int SCAN_REPLACING = 1<<11; 348 static final int SCAN_REQUIRE_KNOWN = 1<<12; 349 static final int SCAN_MOVE = 1<<13; 350 static final int SCAN_INITIAL = 1<<14; 351 352 static final int REMOVE_CHATTY = 1<<16; 353 354 private static final int[] EMPTY_INT_ARRAY = new int[0]; 355 356 /** 357 * Timeout (in milliseconds) after which the watchdog should declare that 358 * our handler thread is wedged. The usual default for such things is one 359 * minute but we sometimes do very lengthy I/O operations on this thread, 360 * such as installing multi-gigabyte applications, so ours needs to be longer. 361 */ 362 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 363 364 /** 365 * Wall-clock timeout (in milliseconds) after which we *require* that an fstrim 366 * be run on this device. We use the value in the Settings.Global.MANDATORY_FSTRIM_INTERVAL 367 * settings entry if available, otherwise we use the hardcoded default. If it's been 368 * more than this long since the last fstrim, we force one during the boot sequence. 369 * 370 * This backstops other fstrim scheduling: if the device is alive at midnight+idle, 371 * one gets run at the next available charging+idle time. This final mandatory 372 * no-fstrim check kicks in only of the other scheduling criteria is never met. 373 */ 374 private static final long DEFAULT_MANDATORY_FSTRIM_INTERVAL = 3 * DateUtils.DAY_IN_MILLIS; 375 376 /** 377 * Whether verification is enabled by default. 378 */ 379 private static final boolean DEFAULT_VERIFY_ENABLE = true; 380 381 /** 382 * The default maximum time to wait for the verification agent to return in 383 * milliseconds. 384 */ 385 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 386 387 /** 388 * The default response for package verification timeout. 389 * 390 * This can be either PackageManager.VERIFICATION_ALLOW or 391 * PackageManager.VERIFICATION_REJECT. 392 */ 393 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 394 395 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 396 397 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 398 DEFAULT_CONTAINER_PACKAGE, 399 "com.android.defcontainer.DefaultContainerService"); 400 401 private static final String KILL_APP_REASON_GIDS_CHANGED = 402 "permission grant or revoke changed gids"; 403 404 private static final String KILL_APP_REASON_PERMISSIONS_REVOKED = 405 "permissions revoked"; 406 407 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 408 409 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 410 411 /** Permission grant: not grant the permission. */ 412 private static final int GRANT_DENIED = 1; 413 414 /** Permission grant: grant the permission as an install permission. */ 415 private static final int GRANT_INSTALL = 2; 416 417 /** Permission grant: grant the permission as a runtime one. */ 418 private static final int GRANT_RUNTIME = 3; 419 420 /** Permission grant: grant as runtime a permission that was granted as an install time one. */ 421 private static final int GRANT_UPGRADE = 4; 422 423 /** Canonical intent used to identify what counts as a "web browser" app */ 424 private static final Intent sBrowserIntent; 425 static { 426 sBrowserIntent = new Intent(); 427 sBrowserIntent.setAction(Intent.ACTION_VIEW); 428 sBrowserIntent.addCategory(Intent.CATEGORY_BROWSABLE); 429 sBrowserIntent.setData(Uri.parse("http:")); 430 } 431 432 final ServiceThread mHandlerThread; 433 434 final PackageHandler mHandler; 435 436 /** 437 * Messages for {@link #mHandler} that need to wait for system ready before 438 * being dispatched. 439 */ 440 private ArrayList<Message> mPostSystemReadyMessages; 441 442 final int mSdkVersion = Build.VERSION.SDK_INT; 443 444 final Context mContext; 445 final boolean mFactoryTest; 446 final boolean mOnlyCore; 447 final DisplayMetrics mMetrics; 448 final int mDefParseFlags; 449 final String[] mSeparateProcesses; 450 final boolean mIsUpgrade; 451 452 /** The location for ASEC container files on internal storage. */ 453 final String mAsecInternalPath; 454 455 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 456 // LOCK HELD. Can be called with mInstallLock held. 457 @GuardedBy("mInstallLock") 458 final Installer mInstaller; 459 460 /** Directory where installed third-party apps stored */ 461 final File mAppInstallDir; 462 final File mEphemeralInstallDir; 463 464 /** 465 * Directory to which applications installed internally have their 466 * 32 bit native libraries copied. 467 */ 468 private File mAppLib32InstallDir; 469 470 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 471 // apps. 472 final File mDrmAppPrivateInstallDir; 473 474 // ---------------------------------------------------------------- 475 476 // Lock for state used when installing and doing other long running 477 // operations. Methods that must be called with this lock held have 478 // the suffix "LI". 479 final Object mInstallLock = new Object(); 480 481 // ---------------------------------------------------------------- 482 483 // Keys are String (package name), values are Package. This also serves 484 // as the lock for the global state. Methods that must be called with 485 // this lock held have the prefix "LP". 486 @GuardedBy("mPackages") 487 final ArrayMap<String, PackageParser.Package> mPackages = 488 new ArrayMap<String, PackageParser.Package>(); 489 490 // Tracks available target package names -> overlay package paths. 491 final ArrayMap<String, ArrayMap<String, PackageParser.Package>> mOverlays = 492 new ArrayMap<String, ArrayMap<String, PackageParser.Package>>(); 493 494 /** 495 * Tracks new system packages [received in an OTA] that we expect to 496 * find updated user-installed versions. Keys are package name, values 497 * are package location. 498 */ 499 final private ArrayMap<String, File> mExpectingBetter = new ArrayMap<>(); 500 501 /** 502 * Tracks existing system packages prior to receiving an OTA. Keys are package name. 503 */ 504 final private ArraySet<String> mExistingSystemPackages = new ArraySet<>(); 505 /** 506 * Whether or not system app permissions should be promoted from install to runtime. 507 */ 508 boolean mPromoteSystemApps; 509 510 final Settings mSettings; 511 boolean mRestoredSettings; 512 513 // System configuration read by SystemConfig. 514 final int[] mGlobalGids; 515 final SparseArray<ArraySet<String>> mSystemPermissions; 516 final ArrayMap<String, FeatureInfo> mAvailableFeatures; 517 518 // If mac_permissions.xml was found for seinfo labeling. 519 boolean mFoundPolicyFile; 520 521 // If a recursive restorecon of /data/data/<pkg> is needed. 522 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 523 524 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 525 526 public static final class SharedLibraryEntry { 527 public final String path; 528 public final String apk; 529 530 SharedLibraryEntry(String _path, String _apk) { 531 path = _path; 532 apk = _apk; 533 } 534 } 535 536 // Currently known shared libraries. 537 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 538 new ArrayMap<String, SharedLibraryEntry>(); 539 540 // All available activities, for your resolving pleasure. 541 final ActivityIntentResolver mActivities = 542 new ActivityIntentResolver(); 543 544 // All available receivers, for your resolving pleasure. 545 final ActivityIntentResolver mReceivers = 546 new ActivityIntentResolver(); 547 548 // All available services, for your resolving pleasure. 549 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 550 551 // All available providers, for your resolving pleasure. 552 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 553 554 // Mapping from provider base names (first directory in content URI codePath) 555 // to the provider information. 556 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 557 new ArrayMap<String, PackageParser.Provider>(); 558 559 // Mapping from instrumentation class names to info about them. 560 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 561 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 562 563 // Mapping from permission names to info about them. 564 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 565 new ArrayMap<String, PackageParser.PermissionGroup>(); 566 567 // Packages whose data we have transfered into another package, thus 568 // should no longer exist. 569 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 570 571 // Broadcast actions that are only available to the system. 572 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 573 574 /** List of packages waiting for verification. */ 575 final SparseArray<PackageVerificationState> mPendingVerification 576 = new SparseArray<PackageVerificationState>(); 577 578 /** Set of packages associated with each app op permission. */ 579 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 580 581 final PackageInstallerService mInstallerService; 582 583 private final PackageDexOptimizer mPackageDexOptimizer; 584 585 private AtomicInteger mNextMoveId = new AtomicInteger(); 586 private final MoveCallbacks mMoveCallbacks; 587 588 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 589 590 // Cache of users who need badging. 591 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 592 593 /** Token for keys in mPendingVerification. */ 594 private int mPendingVerificationToken = 0; 595 596 volatile boolean mSystemReady; 597 volatile boolean mSafeMode; 598 volatile boolean mHasSystemUidErrors; 599 600 ApplicationInfo mAndroidApplication; 601 final ActivityInfo mResolveActivity = new ActivityInfo(); 602 final ResolveInfo mResolveInfo = new ResolveInfo(); 603 ComponentName mResolveComponentName; 604 PackageParser.Package mPlatformPackage; 605 ComponentName mCustomResolverComponentName; 606 607 boolean mResolverReplaced = false; 608 609 private final @Nullable ComponentName mIntentFilterVerifierComponent; 610 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 611 612 private int mIntentFilterVerificationToken = 0; 613 614 /** Component that knows whether or not an ephemeral application exists */ 615 final ComponentName mEphemeralResolverComponent; 616 /** The service connection to the ephemeral resolver */ 617 final EphemeralResolverConnection mEphemeralResolverConnection; 618 619 /** Component used to install ephemeral applications */ 620 final ComponentName mEphemeralInstallerComponent; 621 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 622 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 623 624 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 625 = new SparseArray<IntentFilterVerificationState>(); 626 627 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 628 new DefaultPermissionGrantPolicy(this); 629 630 // List of packages names to keep cached, even if they are uninstalled for all users 631 private List<String> mKeepUninstalledPackages; 632 633 private static class IFVerificationParams { 634 PackageParser.Package pkg; 635 boolean replacing; 636 int userId; 637 int verifierUid; 638 639 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 640 int _userId, int _verifierUid) { 641 pkg = _pkg; 642 replacing = _replacing; 643 userId = _userId; 644 replacing = _replacing; 645 verifierUid = _verifierUid; 646 } 647 } 648 649 private interface IntentFilterVerifier<T extends IntentFilter> { 650 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 651 T filter, String packageName); 652 void startVerifications(int userId); 653 void receiveVerificationResponse(int verificationId); 654 } 655 656 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 657 private Context mContext; 658 private ComponentName mIntentFilterVerifierComponent; 659 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 660 661 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 662 mContext = context; 663 mIntentFilterVerifierComponent = verifierComponent; 664 } 665 666 private String getDefaultScheme() { 667 return IntentFilter.SCHEME_HTTPS; 668 } 669 670 @Override 671 public void startVerifications(int userId) { 672 // Launch verifications requests 673 int count = mCurrentIntentFilterVerifications.size(); 674 for (int n=0; n<count; n++) { 675 int verificationId = mCurrentIntentFilterVerifications.get(n); 676 final IntentFilterVerificationState ivs = 677 mIntentFilterVerificationStates.get(verificationId); 678 679 String packageName = ivs.getPackageName(); 680 681 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 682 final int filterCount = filters.size(); 683 ArraySet<String> domainsSet = new ArraySet<>(); 684 for (int m=0; m<filterCount; m++) { 685 PackageParser.ActivityIntentInfo filter = filters.get(m); 686 domainsSet.addAll(filter.getHostsList()); 687 } 688 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 689 synchronized (mPackages) { 690 if (mSettings.createIntentFilterVerificationIfNeededLPw( 691 packageName, domainsList) != null) { 692 scheduleWriteSettingsLocked(); 693 } 694 } 695 sendVerificationRequest(userId, verificationId, ivs); 696 } 697 mCurrentIntentFilterVerifications.clear(); 698 } 699 700 private void sendVerificationRequest(int userId, int verificationId, 701 IntentFilterVerificationState ivs) { 702 703 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 704 verificationIntent.putExtra( 705 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 706 verificationId); 707 verificationIntent.putExtra( 708 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 709 getDefaultScheme()); 710 verificationIntent.putExtra( 711 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 712 ivs.getHostsString()); 713 verificationIntent.putExtra( 714 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 715 ivs.getPackageName()); 716 verificationIntent.setComponent(mIntentFilterVerifierComponent); 717 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 718 719 UserHandle user = new UserHandle(userId); 720 mContext.sendBroadcastAsUser(verificationIntent, user); 721 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 722 "Sending IntentFilter verification broadcast"); 723 } 724 725 public void receiveVerificationResponse(int verificationId) { 726 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 727 728 final boolean verified = ivs.isVerified(); 729 730 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 731 final int count = filters.size(); 732 if (DEBUG_DOMAIN_VERIFICATION) { 733 Slog.i(TAG, "Received verification response " + verificationId 734 + " for " + count + " filters, verified=" + verified); 735 } 736 for (int n=0; n<count; n++) { 737 PackageParser.ActivityIntentInfo filter = filters.get(n); 738 filter.setVerified(verified); 739 740 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 741 + " verified with result:" + verified + " and hosts:" 742 + ivs.getHostsString()); 743 } 744 745 mIntentFilterVerificationStates.remove(verificationId); 746 747 final String packageName = ivs.getPackageName(); 748 IntentFilterVerificationInfo ivi = null; 749 750 synchronized (mPackages) { 751 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 752 } 753 if (ivi == null) { 754 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 755 + verificationId + " packageName:" + packageName); 756 return; 757 } 758 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 759 "Updating IntentFilterVerificationInfo for package " + packageName 760 +" verificationId:" + verificationId); 761 762 synchronized (mPackages) { 763 if (verified) { 764 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 765 } else { 766 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 767 } 768 scheduleWriteSettingsLocked(); 769 770 final int userId = ivs.getUserId(); 771 if (userId != UserHandle.USER_ALL) { 772 final int userStatus = 773 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 774 775 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 776 boolean needUpdate = false; 777 778 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 779 // already been set by the User thru the Disambiguation dialog 780 switch (userStatus) { 781 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 782 if (verified) { 783 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 784 } else { 785 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 786 } 787 needUpdate = true; 788 break; 789 790 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 791 if (verified) { 792 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 793 needUpdate = true; 794 } 795 break; 796 797 default: 798 // Nothing to do 799 } 800 801 if (needUpdate) { 802 mSettings.updateIntentFilterVerificationStatusLPw( 803 packageName, updatedStatus, userId); 804 scheduleWritePackageRestrictionsLocked(userId); 805 } 806 } 807 } 808 } 809 810 @Override 811 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 812 ActivityIntentInfo filter, String packageName) { 813 if (!hasValidDomains(filter)) { 814 return false; 815 } 816 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 817 if (ivs == null) { 818 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 819 packageName); 820 } 821 if (DEBUG_DOMAIN_VERIFICATION) { 822 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 823 } 824 ivs.addFilter(filter); 825 return true; 826 } 827 828 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 829 int userId, int verificationId, String packageName) { 830 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 831 verifierUid, userId, packageName); 832 ivs.setPendingState(); 833 synchronized (mPackages) { 834 mIntentFilterVerificationStates.append(verificationId, ivs); 835 mCurrentIntentFilterVerifications.add(verificationId); 836 } 837 return ivs; 838 } 839 } 840 841 private static boolean hasValidDomains(ActivityIntentInfo filter) { 842 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 843 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 844 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 845 } 846 847 // Set of pending broadcasts for aggregating enable/disable of components. 848 static class PendingPackageBroadcasts { 849 // for each user id, a map of <package name -> components within that package> 850 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 851 852 public PendingPackageBroadcasts() { 853 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 854 } 855 856 public ArrayList<String> get(int userId, String packageName) { 857 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 858 return packages.get(packageName); 859 } 860 861 public void put(int userId, String packageName, ArrayList<String> components) { 862 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 863 packages.put(packageName, components); 864 } 865 866 public void remove(int userId, String packageName) { 867 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 868 if (packages != null) { 869 packages.remove(packageName); 870 } 871 } 872 873 public void remove(int userId) { 874 mUidMap.remove(userId); 875 } 876 877 public int userIdCount() { 878 return mUidMap.size(); 879 } 880 881 public int userIdAt(int n) { 882 return mUidMap.keyAt(n); 883 } 884 885 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 886 return mUidMap.get(userId); 887 } 888 889 public int size() { 890 // total number of pending broadcast entries across all userIds 891 int num = 0; 892 for (int i = 0; i< mUidMap.size(); i++) { 893 num += mUidMap.valueAt(i).size(); 894 } 895 return num; 896 } 897 898 public void clear() { 899 mUidMap.clear(); 900 } 901 902 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 903 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 904 if (map == null) { 905 map = new ArrayMap<String, ArrayList<String>>(); 906 mUidMap.put(userId, map); 907 } 908 return map; 909 } 910 } 911 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 912 913 // Service Connection to remote media container service to copy 914 // package uri's from external media onto secure containers 915 // or internal storage. 916 private IMediaContainerService mContainerService = null; 917 918 static final int SEND_PENDING_BROADCAST = 1; 919 static final int MCS_BOUND = 3; 920 static final int END_COPY = 4; 921 static final int INIT_COPY = 5; 922 static final int MCS_UNBIND = 6; 923 static final int START_CLEANING_PACKAGE = 7; 924 static final int FIND_INSTALL_LOC = 8; 925 static final int POST_INSTALL = 9; 926 static final int MCS_RECONNECT = 10; 927 static final int MCS_GIVE_UP = 11; 928 static final int UPDATED_MEDIA_STATUS = 12; 929 static final int WRITE_SETTINGS = 13; 930 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 931 static final int PACKAGE_VERIFIED = 15; 932 static final int CHECK_PENDING_VERIFICATION = 16; 933 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 934 static final int INTENT_FILTER_VERIFIED = 18; 935 936 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 937 938 // Delay time in millisecs 939 static final int BROADCAST_DELAY = 10 * 1000; 940 941 static UserManagerService sUserManager; 942 943 // Stores a list of users whose package restrictions file needs to be updated 944 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 945 946 final private DefaultContainerConnection mDefContainerConn = 947 new DefaultContainerConnection(); 948 class DefaultContainerConnection implements ServiceConnection { 949 public void onServiceConnected(ComponentName name, IBinder service) { 950 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 951 IMediaContainerService imcs = 952 IMediaContainerService.Stub.asInterface(service); 953 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 954 } 955 956 public void onServiceDisconnected(ComponentName name) { 957 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 958 } 959 } 960 961 // Recordkeeping of restore-after-install operations that are currently in flight 962 // between the Package Manager and the Backup Manager 963 static class PostInstallData { 964 public InstallArgs args; 965 public PackageInstalledInfo res; 966 967 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 968 args = _a; 969 res = _r; 970 } 971 } 972 973 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 974 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 975 976 // XML tags for backup/restore of various bits of state 977 private static final String TAG_PREFERRED_BACKUP = "pa"; 978 private static final String TAG_DEFAULT_APPS = "da"; 979 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 980 981 final @Nullable String mRequiredVerifierPackage; 982 final @Nullable String mRequiredInstallerPackage; 983 984 private final PackageUsage mPackageUsage = new PackageUsage(); 985 986 private class PackageUsage { 987 private static final int WRITE_INTERVAL 988 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 989 990 private final Object mFileLock = new Object(); 991 private final AtomicLong mLastWritten = new AtomicLong(0); 992 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 993 994 private boolean mIsHistoricalPackageUsageAvailable = true; 995 996 boolean isHistoricalPackageUsageAvailable() { 997 return mIsHistoricalPackageUsageAvailable; 998 } 999 1000 void write(boolean force) { 1001 if (force) { 1002 writeInternal(); 1003 return; 1004 } 1005 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1006 && !DEBUG_DEXOPT) { 1007 return; 1008 } 1009 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1010 new Thread("PackageUsage_DiskWriter") { 1011 @Override 1012 public void run() { 1013 try { 1014 writeInternal(); 1015 } finally { 1016 mBackgroundWriteRunning.set(false); 1017 } 1018 } 1019 }.start(); 1020 } 1021 } 1022 1023 private void writeInternal() { 1024 synchronized (mPackages) { 1025 synchronized (mFileLock) { 1026 AtomicFile file = getFile(); 1027 FileOutputStream f = null; 1028 try { 1029 f = file.startWrite(); 1030 BufferedOutputStream out = new BufferedOutputStream(f); 1031 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1032 StringBuilder sb = new StringBuilder(); 1033 for (PackageParser.Package pkg : mPackages.values()) { 1034 if (pkg.mLastPackageUsageTimeInMills == 0) { 1035 continue; 1036 } 1037 sb.setLength(0); 1038 sb.append(pkg.packageName); 1039 sb.append(' '); 1040 sb.append((long)pkg.mLastPackageUsageTimeInMills); 1041 sb.append('\n'); 1042 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1043 } 1044 out.flush(); 1045 file.finishWrite(f); 1046 } catch (IOException e) { 1047 if (f != null) { 1048 file.failWrite(f); 1049 } 1050 Log.e(TAG, "Failed to write package usage times", e); 1051 } 1052 } 1053 } 1054 mLastWritten.set(SystemClock.elapsedRealtime()); 1055 } 1056 1057 void readLP() { 1058 synchronized (mFileLock) { 1059 AtomicFile file = getFile(); 1060 BufferedInputStream in = null; 1061 try { 1062 in = new BufferedInputStream(file.openRead()); 1063 StringBuffer sb = new StringBuffer(); 1064 while (true) { 1065 String packageName = readToken(in, sb, ' '); 1066 if (packageName == null) { 1067 break; 1068 } 1069 String timeInMillisString = readToken(in, sb, '\n'); 1070 if (timeInMillisString == null) { 1071 throw new IOException("Failed to find last usage time for package " 1072 + packageName); 1073 } 1074 PackageParser.Package pkg = mPackages.get(packageName); 1075 if (pkg == null) { 1076 continue; 1077 } 1078 long timeInMillis; 1079 try { 1080 timeInMillis = Long.parseLong(timeInMillisString); 1081 } catch (NumberFormatException e) { 1082 throw new IOException("Failed to parse " + timeInMillisString 1083 + " as a long.", e); 1084 } 1085 pkg.mLastPackageUsageTimeInMills = timeInMillis; 1086 } 1087 } catch (FileNotFoundException expected) { 1088 mIsHistoricalPackageUsageAvailable = false; 1089 } catch (IOException e) { 1090 Log.w(TAG, "Failed to read package usage times", e); 1091 } finally { 1092 IoUtils.closeQuietly(in); 1093 } 1094 } 1095 mLastWritten.set(SystemClock.elapsedRealtime()); 1096 } 1097 1098 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1099 throws IOException { 1100 sb.setLength(0); 1101 while (true) { 1102 int ch = in.read(); 1103 if (ch == -1) { 1104 if (sb.length() == 0) { 1105 return null; 1106 } 1107 throw new IOException("Unexpected EOF"); 1108 } 1109 if (ch == endOfToken) { 1110 return sb.toString(); 1111 } 1112 sb.append((char)ch); 1113 } 1114 } 1115 1116 private AtomicFile getFile() { 1117 File dataDir = Environment.getDataDirectory(); 1118 File systemDir = new File(dataDir, "system"); 1119 File fname = new File(systemDir, "package-usage.list"); 1120 return new AtomicFile(fname); 1121 } 1122 } 1123 1124 class PackageHandler extends Handler { 1125 private boolean mBound = false; 1126 final ArrayList<HandlerParams> mPendingInstalls = 1127 new ArrayList<HandlerParams>(); 1128 1129 private boolean connectToService() { 1130 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1131 " DefaultContainerService"); 1132 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1133 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1134 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1135 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1136 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1137 mBound = true; 1138 return true; 1139 } 1140 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1141 return false; 1142 } 1143 1144 private void disconnectService() { 1145 mContainerService = null; 1146 mBound = false; 1147 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1148 mContext.unbindService(mDefContainerConn); 1149 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1150 } 1151 1152 PackageHandler(Looper looper) { 1153 super(looper); 1154 } 1155 1156 public void handleMessage(Message msg) { 1157 try { 1158 doHandleMessage(msg); 1159 } finally { 1160 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1161 } 1162 } 1163 1164 void doHandleMessage(Message msg) { 1165 switch (msg.what) { 1166 case INIT_COPY: { 1167 HandlerParams params = (HandlerParams) msg.obj; 1168 int idx = mPendingInstalls.size(); 1169 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1170 // If a bind was already initiated we dont really 1171 // need to do anything. The pending install 1172 // will be processed later on. 1173 if (!mBound) { 1174 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1175 System.identityHashCode(mHandler)); 1176 // If this is the only one pending we might 1177 // have to bind to the service again. 1178 if (!connectToService()) { 1179 Slog.e(TAG, "Failed to bind to media container service"); 1180 params.serviceError(); 1181 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1182 System.identityHashCode(mHandler)); 1183 if (params.traceMethod != null) { 1184 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1185 params.traceCookie); 1186 } 1187 return; 1188 } else { 1189 // Once we bind to the service, the first 1190 // pending request will be processed. 1191 mPendingInstalls.add(idx, params); 1192 } 1193 } else { 1194 mPendingInstalls.add(idx, params); 1195 // Already bound to the service. Just make 1196 // sure we trigger off processing the first request. 1197 if (idx == 0) { 1198 mHandler.sendEmptyMessage(MCS_BOUND); 1199 } 1200 } 1201 break; 1202 } 1203 case MCS_BOUND: { 1204 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1205 if (msg.obj != null) { 1206 mContainerService = (IMediaContainerService) msg.obj; 1207 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1208 System.identityHashCode(mHandler)); 1209 } 1210 if (mContainerService == null) { 1211 if (!mBound) { 1212 // Something seriously wrong since we are not bound and we are not 1213 // waiting for connection. Bail out. 1214 Slog.e(TAG, "Cannot bind to media container service"); 1215 for (HandlerParams params : mPendingInstalls) { 1216 // Indicate service bind error 1217 params.serviceError(); 1218 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1219 System.identityHashCode(params)); 1220 if (params.traceMethod != null) { 1221 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1222 params.traceMethod, params.traceCookie); 1223 } 1224 return; 1225 } 1226 mPendingInstalls.clear(); 1227 } else { 1228 Slog.w(TAG, "Waiting to connect to media container service"); 1229 } 1230 } else if (mPendingInstalls.size() > 0) { 1231 HandlerParams params = mPendingInstalls.get(0); 1232 if (params != null) { 1233 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1234 System.identityHashCode(params)); 1235 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1236 if (params.startCopy()) { 1237 // We are done... look for more work or to 1238 // go idle. 1239 if (DEBUG_SD_INSTALL) Log.i(TAG, 1240 "Checking for more work or unbind..."); 1241 // Delete pending install 1242 if (mPendingInstalls.size() > 0) { 1243 mPendingInstalls.remove(0); 1244 } 1245 if (mPendingInstalls.size() == 0) { 1246 if (mBound) { 1247 if (DEBUG_SD_INSTALL) Log.i(TAG, 1248 "Posting delayed MCS_UNBIND"); 1249 removeMessages(MCS_UNBIND); 1250 Message ubmsg = obtainMessage(MCS_UNBIND); 1251 // Unbind after a little delay, to avoid 1252 // continual thrashing. 1253 sendMessageDelayed(ubmsg, 10000); 1254 } 1255 } else { 1256 // There are more pending requests in queue. 1257 // Just post MCS_BOUND message to trigger processing 1258 // of next pending install. 1259 if (DEBUG_SD_INSTALL) Log.i(TAG, 1260 "Posting MCS_BOUND for next work"); 1261 mHandler.sendEmptyMessage(MCS_BOUND); 1262 } 1263 } 1264 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1265 } 1266 } else { 1267 // Should never happen ideally. 1268 Slog.w(TAG, "Empty queue"); 1269 } 1270 break; 1271 } 1272 case MCS_RECONNECT: { 1273 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1274 if (mPendingInstalls.size() > 0) { 1275 if (mBound) { 1276 disconnectService(); 1277 } 1278 if (!connectToService()) { 1279 Slog.e(TAG, "Failed to bind to media container service"); 1280 for (HandlerParams params : mPendingInstalls) { 1281 // Indicate service bind error 1282 params.serviceError(); 1283 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1284 System.identityHashCode(params)); 1285 } 1286 mPendingInstalls.clear(); 1287 } 1288 } 1289 break; 1290 } 1291 case MCS_UNBIND: { 1292 // If there is no actual work left, then time to unbind. 1293 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1294 1295 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1296 if (mBound) { 1297 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1298 1299 disconnectService(); 1300 } 1301 } else if (mPendingInstalls.size() > 0) { 1302 // There are more pending requests in queue. 1303 // Just post MCS_BOUND message to trigger processing 1304 // of next pending install. 1305 mHandler.sendEmptyMessage(MCS_BOUND); 1306 } 1307 1308 break; 1309 } 1310 case MCS_GIVE_UP: { 1311 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1312 HandlerParams params = mPendingInstalls.remove(0); 1313 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1314 System.identityHashCode(params)); 1315 break; 1316 } 1317 case SEND_PENDING_BROADCAST: { 1318 String packages[]; 1319 ArrayList<String> components[]; 1320 int size = 0; 1321 int uids[]; 1322 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1323 synchronized (mPackages) { 1324 if (mPendingBroadcasts == null) { 1325 return; 1326 } 1327 size = mPendingBroadcasts.size(); 1328 if (size <= 0) { 1329 // Nothing to be done. Just return 1330 return; 1331 } 1332 packages = new String[size]; 1333 components = new ArrayList[size]; 1334 uids = new int[size]; 1335 int i = 0; // filling out the above arrays 1336 1337 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1338 int packageUserId = mPendingBroadcasts.userIdAt(n); 1339 Iterator<Map.Entry<String, ArrayList<String>>> it 1340 = mPendingBroadcasts.packagesForUserId(packageUserId) 1341 .entrySet().iterator(); 1342 while (it.hasNext() && i < size) { 1343 Map.Entry<String, ArrayList<String>> ent = it.next(); 1344 packages[i] = ent.getKey(); 1345 components[i] = ent.getValue(); 1346 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1347 uids[i] = (ps != null) 1348 ? UserHandle.getUid(packageUserId, ps.appId) 1349 : -1; 1350 i++; 1351 } 1352 } 1353 size = i; 1354 mPendingBroadcasts.clear(); 1355 } 1356 // Send broadcasts 1357 for (int i = 0; i < size; i++) { 1358 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1359 } 1360 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1361 break; 1362 } 1363 case START_CLEANING_PACKAGE: { 1364 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1365 final String packageName = (String)msg.obj; 1366 final int userId = msg.arg1; 1367 final boolean andCode = msg.arg2 != 0; 1368 synchronized (mPackages) { 1369 if (userId == UserHandle.USER_ALL) { 1370 int[] users = sUserManager.getUserIds(); 1371 for (int user : users) { 1372 mSettings.addPackageToCleanLPw( 1373 new PackageCleanItem(user, packageName, andCode)); 1374 } 1375 } else { 1376 mSettings.addPackageToCleanLPw( 1377 new PackageCleanItem(userId, packageName, andCode)); 1378 } 1379 } 1380 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1381 startCleaningPackages(); 1382 } break; 1383 case POST_INSTALL: { 1384 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1385 1386 PostInstallData data = mRunningInstalls.get(msg.arg1); 1387 mRunningInstalls.delete(msg.arg1); 1388 boolean deleteOld = false; 1389 1390 if (data != null) { 1391 InstallArgs args = data.args; 1392 PackageInstalledInfo res = data.res; 1393 1394 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1395 final String packageName = res.pkg.applicationInfo.packageName; 1396 res.removedInfo.sendBroadcast(false, true, false); 1397 Bundle extras = new Bundle(1); 1398 extras.putInt(Intent.EXTRA_UID, res.uid); 1399 1400 // Now that we successfully installed the package, grant runtime 1401 // permissions if requested before broadcasting the install. 1402 if ((args.installFlags 1403 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 1404 && res.pkg.applicationInfo.targetSdkVersion 1405 >= Build.VERSION_CODES.M) { 1406 grantRequestedRuntimePermissions(res.pkg, args.user.getIdentifier(), 1407 args.installGrantPermissions); 1408 } 1409 1410 synchronized (mPackages) { 1411 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1412 } 1413 1414 // Determine the set of users who are adding this 1415 // package for the first time vs. those who are seeing 1416 // an update. 1417 int[] firstUsers; 1418 int[] updateUsers = new int[0]; 1419 if (res.origUsers == null || res.origUsers.length == 0) { 1420 firstUsers = res.newUsers; 1421 } else { 1422 firstUsers = new int[0]; 1423 for (int i=0; i<res.newUsers.length; i++) { 1424 int user = res.newUsers[i]; 1425 boolean isNew = true; 1426 for (int j=0; j<res.origUsers.length; j++) { 1427 if (res.origUsers[j] == user) { 1428 isNew = false; 1429 break; 1430 } 1431 } 1432 if (isNew) { 1433 int[] newFirst = new int[firstUsers.length+1]; 1434 System.arraycopy(firstUsers, 0, newFirst, 0, 1435 firstUsers.length); 1436 newFirst[firstUsers.length] = user; 1437 firstUsers = newFirst; 1438 } else { 1439 int[] newUpdate = new int[updateUsers.length+1]; 1440 System.arraycopy(updateUsers, 0, newUpdate, 0, 1441 updateUsers.length); 1442 newUpdate[updateUsers.length] = user; 1443 updateUsers = newUpdate; 1444 } 1445 } 1446 } 1447 // don't broadcast for ephemeral installs/updates 1448 final boolean isEphemeral = isEphemeral(res.pkg); 1449 if (!isEphemeral) { 1450 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1451 extras, 0 /*flags*/, null /*targetPackage*/, 1452 null /*finishedReceiver*/, firstUsers); 1453 } 1454 final boolean update = res.removedInfo.removedPackage != null; 1455 if (update) { 1456 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1457 } 1458 if (!isEphemeral) { 1459 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1460 extras, 0 /*flags*/, null /*targetPackage*/, 1461 null /*finishedReceiver*/, updateUsers); 1462 } 1463 if (update) { 1464 if (!isEphemeral) { 1465 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1466 packageName, extras, 0 /*flags*/, 1467 null /*targetPackage*/, null /*finishedReceiver*/, 1468 updateUsers); 1469 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1470 null /*package*/, null /*extras*/, 0 /*flags*/, 1471 packageName /*targetPackage*/, 1472 null /*finishedReceiver*/, updateUsers); 1473 } 1474 1475 // treat asec-hosted packages like removable media on upgrade 1476 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1477 if (DEBUG_INSTALL) { 1478 Slog.i(TAG, "upgrading pkg " + res.pkg 1479 + " is ASEC-hosted -> AVAILABLE"); 1480 } 1481 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1482 ArrayList<String> pkgList = new ArrayList<String>(1); 1483 pkgList.add(packageName); 1484 sendResourcesChangedBroadcast(true, true, 1485 pkgList,uidArray, null); 1486 } 1487 } 1488 if (res.removedInfo.args != null) { 1489 // Remove the replaced package's older resources safely now 1490 deleteOld = true; 1491 } 1492 1493 // If this app is a browser and it's newly-installed for some 1494 // users, clear any default-browser state in those users 1495 if (firstUsers.length > 0) { 1496 // the app's nature doesn't depend on the user, so we can just 1497 // check its browser nature in any user and generalize. 1498 if (packageIsBrowser(packageName, firstUsers[0])) { 1499 synchronized (mPackages) { 1500 for (int userId : firstUsers) { 1501 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1502 } 1503 } 1504 } 1505 } 1506 // Log current value of "unknown sources" setting 1507 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1508 getUnknownSourcesSettings()); 1509 } 1510 // Force a gc to clear up things 1511 Runtime.getRuntime().gc(); 1512 // We delete after a gc for applications on sdcard. 1513 if (deleteOld) { 1514 synchronized (mInstallLock) { 1515 res.removedInfo.args.doPostDeleteLI(true); 1516 } 1517 } 1518 if (args.observer != null) { 1519 try { 1520 Bundle extras = extrasForInstallResult(res); 1521 args.observer.onPackageInstalled(res.name, res.returnCode, 1522 res.returnMsg, extras); 1523 } catch (RemoteException e) { 1524 Slog.i(TAG, "Observer no longer exists."); 1525 } 1526 } 1527 if (args.traceMethod != null) { 1528 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1529 args.traceCookie); 1530 } 1531 return; 1532 } else { 1533 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1534 } 1535 1536 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1537 } break; 1538 case UPDATED_MEDIA_STATUS: { 1539 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1540 boolean reportStatus = msg.arg1 == 1; 1541 boolean doGc = msg.arg2 == 1; 1542 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1543 if (doGc) { 1544 // Force a gc to clear up stale containers. 1545 Runtime.getRuntime().gc(); 1546 } 1547 if (msg.obj != null) { 1548 @SuppressWarnings("unchecked") 1549 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1550 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1551 // Unload containers 1552 unloadAllContainers(args); 1553 } 1554 if (reportStatus) { 1555 try { 1556 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1557 PackageHelper.getMountService().finishMediaUpdate(); 1558 } catch (RemoteException e) { 1559 Log.e(TAG, "MountService not running?"); 1560 } 1561 } 1562 } break; 1563 case WRITE_SETTINGS: { 1564 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1565 synchronized (mPackages) { 1566 removeMessages(WRITE_SETTINGS); 1567 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1568 mSettings.writeLPr(); 1569 mDirtyUsers.clear(); 1570 } 1571 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1572 } break; 1573 case WRITE_PACKAGE_RESTRICTIONS: { 1574 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1575 synchronized (mPackages) { 1576 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1577 for (int userId : mDirtyUsers) { 1578 mSettings.writePackageRestrictionsLPr(userId); 1579 } 1580 mDirtyUsers.clear(); 1581 } 1582 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1583 } break; 1584 case CHECK_PENDING_VERIFICATION: { 1585 final int verificationId = msg.arg1; 1586 final PackageVerificationState state = mPendingVerification.get(verificationId); 1587 1588 if ((state != null) && !state.timeoutExtended()) { 1589 final InstallArgs args = state.getInstallArgs(); 1590 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1591 1592 Slog.i(TAG, "Verification timed out for " + originUri); 1593 mPendingVerification.remove(verificationId); 1594 1595 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1596 1597 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1598 Slog.i(TAG, "Continuing with installation of " + originUri); 1599 state.setVerifierResponse(Binder.getCallingUid(), 1600 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1601 broadcastPackageVerified(verificationId, originUri, 1602 PackageManager.VERIFICATION_ALLOW, 1603 state.getInstallArgs().getUser()); 1604 try { 1605 ret = args.copyApk(mContainerService, true); 1606 } catch (RemoteException e) { 1607 Slog.e(TAG, "Could not contact the ContainerService"); 1608 } 1609 } else { 1610 broadcastPackageVerified(verificationId, originUri, 1611 PackageManager.VERIFICATION_REJECT, 1612 state.getInstallArgs().getUser()); 1613 } 1614 1615 Trace.asyncTraceEnd( 1616 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1617 1618 processPendingInstall(args, ret); 1619 mHandler.sendEmptyMessage(MCS_UNBIND); 1620 } 1621 break; 1622 } 1623 case PACKAGE_VERIFIED: { 1624 final int verificationId = msg.arg1; 1625 1626 final PackageVerificationState state = mPendingVerification.get(verificationId); 1627 if (state == null) { 1628 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1629 break; 1630 } 1631 1632 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1633 1634 state.setVerifierResponse(response.callerUid, response.code); 1635 1636 if (state.isVerificationComplete()) { 1637 mPendingVerification.remove(verificationId); 1638 1639 final InstallArgs args = state.getInstallArgs(); 1640 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1641 1642 int ret; 1643 if (state.isInstallAllowed()) { 1644 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1645 broadcastPackageVerified(verificationId, originUri, 1646 response.code, state.getInstallArgs().getUser()); 1647 try { 1648 ret = args.copyApk(mContainerService, true); 1649 } catch (RemoteException e) { 1650 Slog.e(TAG, "Could not contact the ContainerService"); 1651 } 1652 } else { 1653 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1654 } 1655 1656 Trace.asyncTraceEnd( 1657 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1658 1659 processPendingInstall(args, ret); 1660 mHandler.sendEmptyMessage(MCS_UNBIND); 1661 } 1662 1663 break; 1664 } 1665 case START_INTENT_FILTER_VERIFICATIONS: { 1666 IFVerificationParams params = (IFVerificationParams) msg.obj; 1667 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1668 params.replacing, params.pkg); 1669 break; 1670 } 1671 case INTENT_FILTER_VERIFIED: { 1672 final int verificationId = msg.arg1; 1673 1674 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1675 verificationId); 1676 if (state == null) { 1677 Slog.w(TAG, "Invalid IntentFilter verification token " 1678 + verificationId + " received"); 1679 break; 1680 } 1681 1682 final int userId = state.getUserId(); 1683 1684 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1685 "Processing IntentFilter verification with token:" 1686 + verificationId + " and userId:" + userId); 1687 1688 final IntentFilterVerificationResponse response = 1689 (IntentFilterVerificationResponse) msg.obj; 1690 1691 state.setVerifierResponse(response.callerUid, response.code); 1692 1693 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1694 "IntentFilter verification with token:" + verificationId 1695 + " and userId:" + userId 1696 + " is settings verifier response with response code:" 1697 + response.code); 1698 1699 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1700 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1701 + response.getFailedDomainsString()); 1702 } 1703 1704 if (state.isVerificationComplete()) { 1705 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1706 } else { 1707 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1708 "IntentFilter verification with token:" + verificationId 1709 + " was not said to be complete"); 1710 } 1711 1712 break; 1713 } 1714 } 1715 } 1716 } 1717 1718 private StorageEventListener mStorageListener = new StorageEventListener() { 1719 @Override 1720 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1721 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1722 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1723 final String volumeUuid = vol.getFsUuid(); 1724 1725 // Clean up any users or apps that were removed or recreated 1726 // while this volume was missing 1727 reconcileUsers(volumeUuid); 1728 reconcileApps(volumeUuid); 1729 1730 // Clean up any install sessions that expired or were 1731 // cancelled while this volume was missing 1732 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1733 1734 loadPrivatePackages(vol); 1735 1736 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1737 unloadPrivatePackages(vol); 1738 } 1739 } 1740 1741 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1742 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1743 updateExternalMediaStatus(true, false); 1744 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1745 updateExternalMediaStatus(false, false); 1746 } 1747 } 1748 } 1749 1750 @Override 1751 public void onVolumeForgotten(String fsUuid) { 1752 if (TextUtils.isEmpty(fsUuid)) { 1753 Slog.w(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1754 return; 1755 } 1756 1757 // Remove any apps installed on the forgotten volume 1758 synchronized (mPackages) { 1759 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1760 for (PackageSetting ps : packages) { 1761 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1762 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1763 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1764 } 1765 1766 mSettings.onVolumeForgotten(fsUuid); 1767 mSettings.writeLPr(); 1768 } 1769 } 1770 }; 1771 1772 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int userId, 1773 String[] grantedPermissions) { 1774 if (userId >= UserHandle.USER_SYSTEM) { 1775 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1776 } else if (userId == UserHandle.USER_ALL) { 1777 final int[] userIds; 1778 synchronized (mPackages) { 1779 userIds = UserManagerService.getInstance().getUserIds(); 1780 } 1781 for (int someUserId : userIds) { 1782 grantRequestedRuntimePermissionsForUser(pkg, someUserId, grantedPermissions); 1783 } 1784 } 1785 1786 // We could have touched GID membership, so flush out packages.list 1787 synchronized (mPackages) { 1788 mSettings.writePackageListLPr(); 1789 } 1790 } 1791 1792 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1793 String[] grantedPermissions) { 1794 SettingBase sb = (SettingBase) pkg.mExtras; 1795 if (sb == null) { 1796 return; 1797 } 1798 1799 PermissionsState permissionsState = sb.getPermissionsState(); 1800 1801 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1802 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1803 1804 synchronized (mPackages) { 1805 for (String permission : pkg.requestedPermissions) { 1806 BasePermission bp = mSettings.mPermissions.get(permission); 1807 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1808 && (grantedPermissions == null 1809 || ArrayUtils.contains(grantedPermissions, permission))) { 1810 final int flags = permissionsState.getPermissionFlags(permission, userId); 1811 // Installer cannot change immutable permissions. 1812 if ((flags & immutableFlags) == 0) { 1813 grantRuntimePermission(pkg.packageName, permission, userId); 1814 } 1815 } 1816 } 1817 } 1818 } 1819 1820 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1821 Bundle extras = null; 1822 switch (res.returnCode) { 1823 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1824 extras = new Bundle(); 1825 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1826 res.origPermission); 1827 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1828 res.origPackage); 1829 break; 1830 } 1831 case PackageManager.INSTALL_SUCCEEDED: { 1832 extras = new Bundle(); 1833 extras.putBoolean(Intent.EXTRA_REPLACING, 1834 res.removedInfo != null && res.removedInfo.removedPackage != null); 1835 break; 1836 } 1837 } 1838 return extras; 1839 } 1840 1841 void scheduleWriteSettingsLocked() { 1842 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1843 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1844 } 1845 } 1846 1847 void scheduleWritePackageRestrictionsLocked(int userId) { 1848 if (!sUserManager.exists(userId)) return; 1849 mDirtyUsers.add(userId); 1850 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1851 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1852 } 1853 } 1854 1855 public static PackageManagerService main(Context context, Installer installer, 1856 boolean factoryTest, boolean onlyCore) { 1857 PackageManagerService m = new PackageManagerService(context, installer, 1858 factoryTest, onlyCore); 1859 m.enableSystemUserPackages(); 1860 ServiceManager.addService("package", m); 1861 return m; 1862 } 1863 1864 private void enableSystemUserPackages() { 1865 if (!UserManager.isSplitSystemUser()) { 1866 return; 1867 } 1868 // For system user, enable apps based on the following conditions: 1869 // - app is whitelisted or belong to one of these groups: 1870 // -- system app which has no launcher icons 1871 // -- system app which has INTERACT_ACROSS_USERS permission 1872 // -- system IME app 1873 // - app is not in the blacklist 1874 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 1875 Set<String> enableApps = new ArraySet<>(); 1876 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 1877 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 1878 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 1879 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 1880 enableApps.addAll(wlApps); 1881 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 1882 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 1883 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 1884 enableApps.removeAll(blApps); 1885 Log.i(TAG, "Applications installed for system user: " + enableApps); 1886 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 1887 UserHandle.SYSTEM); 1888 final int allAppsSize = allAps.size(); 1889 synchronized (mPackages) { 1890 for (int i = 0; i < allAppsSize; i++) { 1891 String pName = allAps.get(i); 1892 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 1893 // Should not happen, but we shouldn't be failing if it does 1894 if (pkgSetting == null) { 1895 continue; 1896 } 1897 boolean install = enableApps.contains(pName); 1898 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 1899 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 1900 + " for system user"); 1901 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 1902 } 1903 } 1904 } 1905 } 1906 1907 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1908 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1909 Context.DISPLAY_SERVICE); 1910 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1911 } 1912 1913 public PackageManagerService(Context context, Installer installer, 1914 boolean factoryTest, boolean onlyCore) { 1915 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1916 SystemClock.uptimeMillis()); 1917 1918 if (mSdkVersion <= 0) { 1919 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1920 } 1921 1922 mContext = context; 1923 mFactoryTest = factoryTest; 1924 mOnlyCore = onlyCore; 1925 mMetrics = new DisplayMetrics(); 1926 mSettings = new Settings(mPackages); 1927 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1928 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1929 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1930 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1931 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1932 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1933 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1934 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1935 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1936 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1937 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1938 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1939 1940 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1941 if (separateProcesses != null && separateProcesses.length() > 0) { 1942 if ("*".equals(separateProcesses)) { 1943 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1944 mSeparateProcesses = null; 1945 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1946 } else { 1947 mDefParseFlags = 0; 1948 mSeparateProcesses = separateProcesses.split(","); 1949 Slog.w(TAG, "Running with debug.separate_processes: " 1950 + separateProcesses); 1951 } 1952 } else { 1953 mDefParseFlags = 0; 1954 mSeparateProcesses = null; 1955 } 1956 1957 mInstaller = installer; 1958 mPackageDexOptimizer = new PackageDexOptimizer(this); 1959 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 1960 1961 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 1962 FgThread.get().getLooper()); 1963 1964 getDefaultDisplayMetrics(context, mMetrics); 1965 1966 SystemConfig systemConfig = SystemConfig.getInstance(); 1967 mGlobalGids = systemConfig.getGlobalGids(); 1968 mSystemPermissions = systemConfig.getSystemPermissions(); 1969 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1970 1971 synchronized (mInstallLock) { 1972 // writer 1973 synchronized (mPackages) { 1974 mHandlerThread = new ServiceThread(TAG, 1975 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1976 mHandlerThread.start(); 1977 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1978 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1979 1980 File dataDir = Environment.getDataDirectory(); 1981 mAppInstallDir = new File(dataDir, "app"); 1982 mAppLib32InstallDir = new File(dataDir, "app-lib"); 1983 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 1984 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1985 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1986 1987 sUserManager = new UserManagerService(context, this, mPackages); 1988 1989 // Propagate permission configuration in to package manager. 1990 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1991 = systemConfig.getPermissions(); 1992 for (int i=0; i<permConfig.size(); i++) { 1993 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1994 BasePermission bp = mSettings.mPermissions.get(perm.name); 1995 if (bp == null) { 1996 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 1997 mSettings.mPermissions.put(perm.name, bp); 1998 } 1999 if (perm.gids != null) { 2000 bp.setGids(perm.gids, perm.perUser); 2001 } 2002 } 2003 2004 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2005 for (int i=0; i<libConfig.size(); i++) { 2006 mSharedLibraries.put(libConfig.keyAt(i), 2007 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2008 } 2009 2010 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2011 2012 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2013 2014 String customResolverActivity = Resources.getSystem().getString( 2015 R.string.config_customResolverActivity); 2016 if (TextUtils.isEmpty(customResolverActivity)) { 2017 customResolverActivity = null; 2018 } else { 2019 mCustomResolverComponentName = ComponentName.unflattenFromString( 2020 customResolverActivity); 2021 } 2022 2023 long startTime = SystemClock.uptimeMillis(); 2024 2025 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2026 startTime); 2027 2028 // Set flag to monitor and not change apk file paths when 2029 // scanning install directories. 2030 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2031 2032 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2033 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2034 2035 if (bootClassPath == null) { 2036 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2037 } 2038 2039 if (systemServerClassPath == null) { 2040 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2041 } 2042 2043 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2044 final String[] dexCodeInstructionSets = 2045 getDexCodeInstructionSets( 2046 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2047 2048 /** 2049 * Ensure all external libraries have had dexopt run on them. 2050 */ 2051 if (mSharedLibraries.size() > 0) { 2052 // NOTE: For now, we're compiling these system "shared libraries" 2053 // (and framework jars) into all available architectures. It's possible 2054 // to compile them only when we come across an app that uses them (there's 2055 // already logic for that in scanPackageLI) but that adds some complexity. 2056 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2057 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2058 final String lib = libEntry.path; 2059 if (lib == null) { 2060 continue; 2061 } 2062 2063 try { 2064 int dexoptNeeded = DexFile.getDexOptNeeded(lib, null, dexCodeInstructionSet, false); 2065 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2066 // Shared libraries do not have profiles so we perform a full 2067 // AOT compilation. 2068 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2069 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/, 2070 StorageManager.UUID_PRIVATE_INTERNAL, 2071 false /*useProfiles*/); 2072 } 2073 } catch (FileNotFoundException e) { 2074 Slog.w(TAG, "Library not found: " + lib); 2075 } catch (IOException | InstallerException e) { 2076 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2077 + e.getMessage()); 2078 } 2079 } 2080 } 2081 } 2082 2083 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2084 2085 final VersionInfo ver = mSettings.getInternalVersion(); 2086 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2087 // when upgrading from pre-M, promote system app permissions from install to runtime 2088 mPromoteSystemApps = 2089 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2090 2091 // save off the names of pre-existing system packages prior to scanning; we don't 2092 // want to automatically grant runtime permissions for new system apps 2093 if (mPromoteSystemApps) { 2094 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2095 while (pkgSettingIter.hasNext()) { 2096 PackageSetting ps = pkgSettingIter.next(); 2097 if (isSystemApp(ps)) { 2098 mExistingSystemPackages.add(ps.name); 2099 } 2100 } 2101 } 2102 2103 // Collect vendor overlay packages. 2104 // (Do this before scanning any apps.) 2105 // For security and version matching reason, only consider 2106 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2107 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2108 scanDirTracedLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 2109 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2110 2111 // Find base frameworks (resource packages without code). 2112 scanDirTracedLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 2113 | PackageParser.PARSE_IS_SYSTEM_DIR 2114 | PackageParser.PARSE_IS_PRIVILEGED, 2115 scanFlags | SCAN_NO_DEX, 0); 2116 2117 // Collected privileged system packages. 2118 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2119 scanDirTracedLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 2120 | PackageParser.PARSE_IS_SYSTEM_DIR 2121 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2122 2123 // Collect ordinary system packages. 2124 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2125 scanDirTracedLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 2126 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2127 2128 // Collect all vendor packages. 2129 File vendorAppDir = new File("/vendor/app"); 2130 try { 2131 vendorAppDir = vendorAppDir.getCanonicalFile(); 2132 } catch (IOException e) { 2133 // failed to look up canonical path, continue with original one 2134 } 2135 scanDirTracedLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 2136 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2137 2138 // Collect all OEM packages. 2139 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2140 scanDirTracedLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 2141 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2142 2143 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 2144 try { 2145 mInstaller.moveFiles(); 2146 } catch (InstallerException e) { 2147 logCriticalInfo(Log.WARN, "Update commands failed: " + e); 2148 } 2149 2150 // Prune any system packages that no longer exist. 2151 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2152 if (!mOnlyCore) { 2153 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2154 while (psit.hasNext()) { 2155 PackageSetting ps = psit.next(); 2156 2157 /* 2158 * If this is not a system app, it can't be a 2159 * disable system app. 2160 */ 2161 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2162 continue; 2163 } 2164 2165 /* 2166 * If the package is scanned, it's not erased. 2167 */ 2168 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2169 if (scannedPkg != null) { 2170 /* 2171 * If the system app is both scanned and in the 2172 * disabled packages list, then it must have been 2173 * added via OTA. Remove it from the currently 2174 * scanned package so the previously user-installed 2175 * application can be scanned. 2176 */ 2177 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2178 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2179 + ps.name + "; removing system app. Last known codePath=" 2180 + ps.codePathString + ", installStatus=" + ps.installStatus 2181 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2182 + scannedPkg.mVersionCode); 2183 removePackageLI(ps, true); 2184 mExpectingBetter.put(ps.name, ps.codePath); 2185 } 2186 2187 continue; 2188 } 2189 2190 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2191 psit.remove(); 2192 logCriticalInfo(Log.WARN, "System package " + ps.name 2193 + " no longer exists; wiping its data"); 2194 removeDataDirsLI(null, ps.name); 2195 } else { 2196 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2197 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2198 possiblyDeletedUpdatedSystemApps.add(ps.name); 2199 } 2200 } 2201 } 2202 } 2203 2204 //look for any incomplete package installations 2205 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2206 //clean up list 2207 for(int i = 0; i < deletePkgsList.size(); i++) { 2208 //clean up here 2209 cleanupInstallFailedPackage(deletePkgsList.get(i)); 2210 } 2211 //delete tmp files 2212 deleteTempPackageFiles(); 2213 2214 // Remove any shared userIDs that have no associated packages 2215 mSettings.pruneSharedUsersLPw(); 2216 2217 if (!mOnlyCore) { 2218 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2219 SystemClock.uptimeMillis()); 2220 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2221 2222 scanDirTracedLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 2223 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2224 2225 scanDirLI(mEphemeralInstallDir, PackageParser.PARSE_IS_EPHEMERAL, 2226 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2227 2228 /** 2229 * Remove disable package settings for any updated system 2230 * apps that were removed via an OTA. If they're not a 2231 * previously-updated app, remove them completely. 2232 * Otherwise, just revoke their system-level permissions. 2233 */ 2234 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2235 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2236 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2237 2238 String msg; 2239 if (deletedPkg == null) { 2240 msg = "Updated system package " + deletedAppName 2241 + " no longer exists; wiping its data"; 2242 removeDataDirsLI(null, deletedAppName); 2243 } else { 2244 msg = "Updated system app + " + deletedAppName 2245 + " no longer present; removing system privileges for " 2246 + deletedAppName; 2247 2248 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2249 2250 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2251 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2252 } 2253 logCriticalInfo(Log.WARN, msg); 2254 } 2255 2256 /** 2257 * Make sure all system apps that we expected to appear on 2258 * the userdata partition actually showed up. If they never 2259 * appeared, crawl back and revive the system version. 2260 */ 2261 for (int i = 0; i < mExpectingBetter.size(); i++) { 2262 final String packageName = mExpectingBetter.keyAt(i); 2263 if (!mPackages.containsKey(packageName)) { 2264 final File scanFile = mExpectingBetter.valueAt(i); 2265 2266 logCriticalInfo(Log.WARN, "Expected better " + packageName 2267 + " but never showed up; reverting to system"); 2268 2269 final int reparseFlags; 2270 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2271 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2272 | PackageParser.PARSE_IS_SYSTEM_DIR 2273 | PackageParser.PARSE_IS_PRIVILEGED; 2274 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2275 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2276 | PackageParser.PARSE_IS_SYSTEM_DIR; 2277 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2278 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2279 | PackageParser.PARSE_IS_SYSTEM_DIR; 2280 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2281 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2282 | PackageParser.PARSE_IS_SYSTEM_DIR; 2283 } else { 2284 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2285 continue; 2286 } 2287 2288 mSettings.enableSystemPackageLPw(packageName); 2289 2290 try { 2291 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2292 } catch (PackageManagerException e) { 2293 Slog.e(TAG, "Failed to parse original system package: " 2294 + e.getMessage()); 2295 } 2296 } 2297 } 2298 } 2299 mExpectingBetter.clear(); 2300 2301 // Now that we know all of the shared libraries, update all clients to have 2302 // the correct library paths. 2303 updateAllSharedLibrariesLPw(); 2304 2305 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2306 // NOTE: We ignore potential failures here during a system scan (like 2307 // the rest of the commands above) because there's precious little we 2308 // can do about it. A settings error is reported, though. 2309 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2310 false /* boot complete */); 2311 } 2312 2313 // Now that we know all the packages we are keeping, 2314 // read and update their last usage times. 2315 mPackageUsage.readLP(); 2316 2317 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2318 SystemClock.uptimeMillis()); 2319 Slog.i(TAG, "Time to scan packages: " 2320 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2321 + " seconds"); 2322 2323 // If the platform SDK has changed since the last time we booted, 2324 // we need to re-grant app permission to catch any new ones that 2325 // appear. This is really a hack, and means that apps can in some 2326 // cases get permissions that the user didn't initially explicitly 2327 // allow... it would be nice to have some better way to handle 2328 // this situation. 2329 int updateFlags = UPDATE_PERMISSIONS_ALL; 2330 if (ver.sdkVersion != mSdkVersion) { 2331 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2332 + mSdkVersion + "; regranting permissions for internal storage"); 2333 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2334 } 2335 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2336 ver.sdkVersion = mSdkVersion; 2337 2338 // If this is the first boot or an update from pre-M, and it is a normal 2339 // boot, then we need to initialize the default preferred apps across 2340 // all defined users. 2341 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2342 for (UserInfo user : sUserManager.getUsers(true)) { 2343 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2344 applyFactoryDefaultBrowserLPw(user.id); 2345 primeDomainVerificationsLPw(user.id); 2346 } 2347 } 2348 2349 // If this is first boot after an OTA, and a normal boot, then 2350 // we need to clear code cache directories. 2351 if (mIsUpgrade && !onlyCore) { 2352 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2353 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2354 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2355 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2356 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 2357 } 2358 } 2359 ver.fingerprint = Build.FINGERPRINT; 2360 } 2361 2362 checkDefaultBrowser(); 2363 2364 // clear only after permissions and other defaults have been updated 2365 mExistingSystemPackages.clear(); 2366 mPromoteSystemApps = false; 2367 2368 // All the changes are done during package scanning. 2369 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2370 2371 // can downgrade to reader 2372 mSettings.writeLPr(); 2373 2374 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2375 SystemClock.uptimeMillis()); 2376 2377 if (!mOnlyCore) { 2378 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2379 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2380 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2381 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2382 mIntentFilterVerifierComponent); 2383 } else { 2384 mRequiredVerifierPackage = null; 2385 mRequiredInstallerPackage = null; 2386 mIntentFilterVerifierComponent = null; 2387 mIntentFilterVerifier = null; 2388 } 2389 2390 mInstallerService = new PackageInstallerService(context, this); 2391 2392 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2393 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2394 // both the installer and resolver must be present to enable ephemeral 2395 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2396 if (DEBUG_EPHEMERAL) { 2397 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2398 + " installer:" + ephemeralInstallerComponent); 2399 } 2400 mEphemeralResolverComponent = ephemeralResolverComponent; 2401 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2402 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2403 mEphemeralResolverConnection = 2404 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2405 } else { 2406 if (DEBUG_EPHEMERAL) { 2407 final String missingComponent = 2408 (ephemeralResolverComponent == null) 2409 ? (ephemeralInstallerComponent == null) 2410 ? "resolver and installer" 2411 : "resolver" 2412 : "installer"; 2413 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2414 } 2415 mEphemeralResolverComponent = null; 2416 mEphemeralInstallerComponent = null; 2417 mEphemeralResolverConnection = null; 2418 } 2419 2420 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2421 } // synchronized (mPackages) 2422 } // synchronized (mInstallLock) 2423 2424 // Now after opening every single application zip, make sure they 2425 // are all flushed. Not really needed, but keeps things nice and 2426 // tidy. 2427 Runtime.getRuntime().gc(); 2428 2429 // The initial scanning above does many calls into installd while 2430 // holding the mPackages lock, but we're mostly interested in yelling 2431 // once we have a booted system. 2432 mInstaller.setWarnIfHeld(mPackages); 2433 2434 // Expose private service for system components to use. 2435 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2436 } 2437 2438 @Override 2439 public boolean isFirstBoot() { 2440 return !mRestoredSettings; 2441 } 2442 2443 @Override 2444 public boolean isOnlyCoreApps() { 2445 return mOnlyCore; 2446 } 2447 2448 @Override 2449 public boolean isUpgrade() { 2450 return mIsUpgrade; 2451 } 2452 2453 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2454 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2455 2456 final List<ResolveInfo> matches = queryIntentReceivers(intent, PACKAGE_MIME_TYPE, 2457 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2458 if (matches.size() == 1) { 2459 return matches.get(0).getComponentInfo().packageName; 2460 } else { 2461 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2462 return null; 2463 } 2464 } 2465 2466 private @NonNull String getRequiredInstallerLPr() { 2467 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2468 intent.addCategory(Intent.CATEGORY_DEFAULT); 2469 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2470 2471 final List<ResolveInfo> matches = queryIntentActivities(intent, PACKAGE_MIME_TYPE, 2472 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2473 if (matches.size() == 1) { 2474 return matches.get(0).getComponentInfo().packageName; 2475 } else { 2476 throw new RuntimeException("There must be exactly one installer; found " + matches); 2477 } 2478 } 2479 2480 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2481 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2482 2483 final List<ResolveInfo> matches = queryIntentReceivers(intent, PACKAGE_MIME_TYPE, 2484 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2485 ResolveInfo best = null; 2486 final int N = matches.size(); 2487 for (int i = 0; i < N; i++) { 2488 final ResolveInfo cur = matches.get(i); 2489 final String packageName = cur.getComponentInfo().packageName; 2490 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2491 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2492 continue; 2493 } 2494 2495 if (best == null || cur.priority > best.priority) { 2496 best = cur; 2497 } 2498 } 2499 2500 if (best != null) { 2501 return best.getComponentInfo().getComponentName(); 2502 } else { 2503 throw new RuntimeException("There must be at least one intent filter verifier"); 2504 } 2505 } 2506 2507 private @Nullable ComponentName getEphemeralResolverLPr() { 2508 final String[] packageArray = 2509 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2510 if (packageArray.length == 0) { 2511 if (DEBUG_EPHEMERAL) { 2512 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2513 } 2514 return null; 2515 } 2516 2517 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2518 final List<ResolveInfo> resolvers = queryIntentServices(resolverIntent, null, 2519 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2520 2521 final int N = resolvers.size(); 2522 if (N == 0) { 2523 if (DEBUG_EPHEMERAL) { 2524 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2525 } 2526 return null; 2527 } 2528 2529 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2530 for (int i = 0; i < N; i++) { 2531 final ResolveInfo info = resolvers.get(i); 2532 2533 if (info.serviceInfo == null) { 2534 continue; 2535 } 2536 2537 final String packageName = info.serviceInfo.packageName; 2538 if (!possiblePackages.contains(packageName)) { 2539 if (DEBUG_EPHEMERAL) { 2540 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2541 + " pkg: " + packageName + ", info:" + info); 2542 } 2543 continue; 2544 } 2545 2546 if (DEBUG_EPHEMERAL) { 2547 Slog.v(TAG, "Ephemeral resolver found;" 2548 + " pkg: " + packageName + ", info:" + info); 2549 } 2550 return new ComponentName(packageName, info.serviceInfo.name); 2551 } 2552 if (DEBUG_EPHEMERAL) { 2553 Slog.v(TAG, "Ephemeral resolver NOT found"); 2554 } 2555 return null; 2556 } 2557 2558 private @Nullable ComponentName getEphemeralInstallerLPr() { 2559 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2560 intent.addCategory(Intent.CATEGORY_DEFAULT); 2561 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2562 2563 final List<ResolveInfo> matches = queryIntentActivities(intent, PACKAGE_MIME_TYPE, 2564 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2565 if (matches.size() == 0) { 2566 return null; 2567 } else if (matches.size() == 1) { 2568 return matches.get(0).getComponentInfo().getComponentName(); 2569 } else { 2570 throw new RuntimeException( 2571 "There must be at most one ephemeral installer; found " + matches); 2572 } 2573 } 2574 2575 private void primeDomainVerificationsLPw(int userId) { 2576 if (DEBUG_DOMAIN_VERIFICATION) { 2577 Slog.d(TAG, "Priming domain verifications in user " + userId); 2578 } 2579 2580 SystemConfig systemConfig = SystemConfig.getInstance(); 2581 ArraySet<String> packages = systemConfig.getLinkedApps(); 2582 ArraySet<String> domains = new ArraySet<String>(); 2583 2584 for (String packageName : packages) { 2585 PackageParser.Package pkg = mPackages.get(packageName); 2586 if (pkg != null) { 2587 if (!pkg.isSystemApp()) { 2588 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2589 continue; 2590 } 2591 2592 domains.clear(); 2593 for (PackageParser.Activity a : pkg.activities) { 2594 for (ActivityIntentInfo filter : a.intents) { 2595 if (hasValidDomains(filter)) { 2596 domains.addAll(filter.getHostsList()); 2597 } 2598 } 2599 } 2600 2601 if (domains.size() > 0) { 2602 if (DEBUG_DOMAIN_VERIFICATION) { 2603 Slog.v(TAG, " + " + packageName); 2604 } 2605 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2606 // state w.r.t. the formal app-linkage "no verification attempted" state; 2607 // and then 'always' in the per-user state actually used for intent resolution. 2608 final IntentFilterVerificationInfo ivi; 2609 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2610 new ArrayList<String>(domains)); 2611 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2612 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2613 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2614 } else { 2615 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2616 + "' does not handle web links"); 2617 } 2618 } else { 2619 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2620 } 2621 } 2622 2623 scheduleWritePackageRestrictionsLocked(userId); 2624 scheduleWriteSettingsLocked(); 2625 } 2626 2627 private void applyFactoryDefaultBrowserLPw(int userId) { 2628 // The default browser app's package name is stored in a string resource, 2629 // with a product-specific overlay used for vendor customization. 2630 String browserPkg = mContext.getResources().getString( 2631 com.android.internal.R.string.default_browser); 2632 if (!TextUtils.isEmpty(browserPkg)) { 2633 // non-empty string => required to be a known package 2634 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2635 if (ps == null) { 2636 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2637 browserPkg = null; 2638 } else { 2639 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2640 } 2641 } 2642 2643 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2644 // default. If there's more than one, just leave everything alone. 2645 if (browserPkg == null) { 2646 calculateDefaultBrowserLPw(userId); 2647 } 2648 } 2649 2650 private void calculateDefaultBrowserLPw(int userId) { 2651 List<String> allBrowsers = resolveAllBrowserApps(userId); 2652 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2653 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2654 } 2655 2656 private List<String> resolveAllBrowserApps(int userId) { 2657 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2658 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2659 PackageManager.MATCH_ALL, userId); 2660 2661 final int count = list.size(); 2662 List<String> result = new ArrayList<String>(count); 2663 for (int i=0; i<count; i++) { 2664 ResolveInfo info = list.get(i); 2665 if (info.activityInfo == null 2666 || !info.handleAllWebDataURI 2667 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2668 || result.contains(info.activityInfo.packageName)) { 2669 continue; 2670 } 2671 result.add(info.activityInfo.packageName); 2672 } 2673 2674 return result; 2675 } 2676 2677 private boolean packageIsBrowser(String packageName, int userId) { 2678 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2679 PackageManager.MATCH_ALL, userId); 2680 final int N = list.size(); 2681 for (int i = 0; i < N; i++) { 2682 ResolveInfo info = list.get(i); 2683 if (packageName.equals(info.activityInfo.packageName)) { 2684 return true; 2685 } 2686 } 2687 return false; 2688 } 2689 2690 private void checkDefaultBrowser() { 2691 final int myUserId = UserHandle.myUserId(); 2692 final String packageName = getDefaultBrowserPackageName(myUserId); 2693 if (packageName != null) { 2694 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2695 if (info == null) { 2696 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2697 synchronized (mPackages) { 2698 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2699 } 2700 } 2701 } 2702 } 2703 2704 @Override 2705 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2706 throws RemoteException { 2707 try { 2708 return super.onTransact(code, data, reply, flags); 2709 } catch (RuntimeException e) { 2710 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2711 Slog.wtf(TAG, "Package Manager Crash", e); 2712 } 2713 throw e; 2714 } 2715 } 2716 2717 void cleanupInstallFailedPackage(PackageSetting ps) { 2718 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 2719 2720 removeDataDirsLI(ps.volumeUuid, ps.name); 2721 if (ps.codePath != null) { 2722 removeCodePathLI(ps.codePath); 2723 } 2724 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 2725 if (ps.resourcePath.isDirectory()) { 2726 FileUtils.deleteContents(ps.resourcePath); 2727 } 2728 ps.resourcePath.delete(); 2729 } 2730 mSettings.removePackageLPw(ps.name); 2731 } 2732 2733 static int[] appendInts(int[] cur, int[] add) { 2734 if (add == null) return cur; 2735 if (cur == null) return add; 2736 final int N = add.length; 2737 for (int i=0; i<N; i++) { 2738 cur = appendInt(cur, add[i]); 2739 } 2740 return cur; 2741 } 2742 2743 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2744 if (!sUserManager.exists(userId)) return null; 2745 final PackageSetting ps = (PackageSetting) p.mExtras; 2746 if (ps == null) { 2747 return null; 2748 } 2749 2750 final PermissionsState permissionsState = ps.getPermissionsState(); 2751 2752 final int[] gids = permissionsState.computeGids(userId); 2753 final Set<String> permissions = permissionsState.getPermissions(userId); 2754 final PackageUserState state = ps.readUserState(userId); 2755 2756 return PackageParser.generatePackageInfo(p, gids, flags, 2757 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 2758 } 2759 2760 @Override 2761 public void checkPackageStartable(String packageName, int userId) { 2762 final boolean userKeyUnlocked = isUserKeyUnlocked(userId); 2763 2764 synchronized (mPackages) { 2765 final PackageSetting ps = mSettings.mPackages.get(packageName); 2766 if (ps == null) { 2767 throw new SecurityException("Package " + packageName + " was not found!"); 2768 } 2769 2770 if (ps.frozen) { 2771 throw new SecurityException("Package " + packageName + " is currently frozen!"); 2772 } 2773 2774 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isEncryptionAware() 2775 || ps.pkg.applicationInfo.isPartiallyEncryptionAware())) { 2776 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 2777 } 2778 } 2779 } 2780 2781 @Override 2782 public boolean isPackageAvailable(String packageName, int userId) { 2783 if (!sUserManager.exists(userId)) return false; 2784 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available"); 2785 synchronized (mPackages) { 2786 PackageParser.Package p = mPackages.get(packageName); 2787 if (p != null) { 2788 final PackageSetting ps = (PackageSetting) p.mExtras; 2789 if (ps != null) { 2790 final PackageUserState state = ps.readUserState(userId); 2791 if (state != null) { 2792 return PackageParser.isAvailable(state); 2793 } 2794 } 2795 } 2796 } 2797 return false; 2798 } 2799 2800 @Override 2801 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2802 if (!sUserManager.exists(userId)) return null; 2803 flags = updateFlagsForPackage(flags, userId, packageName); 2804 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info"); 2805 // reader 2806 synchronized (mPackages) { 2807 PackageParser.Package p = mPackages.get(packageName); 2808 if (DEBUG_PACKAGE_INFO) 2809 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2810 if (p != null) { 2811 return generatePackageInfo(p, flags, userId); 2812 } 2813 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 2814 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2815 } 2816 } 2817 return null; 2818 } 2819 2820 @Override 2821 public String[] currentToCanonicalPackageNames(String[] names) { 2822 String[] out = new String[names.length]; 2823 // reader 2824 synchronized (mPackages) { 2825 for (int i=names.length-1; i>=0; i--) { 2826 PackageSetting ps = mSettings.mPackages.get(names[i]); 2827 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2828 } 2829 } 2830 return out; 2831 } 2832 2833 @Override 2834 public String[] canonicalToCurrentPackageNames(String[] names) { 2835 String[] out = new String[names.length]; 2836 // reader 2837 synchronized (mPackages) { 2838 for (int i=names.length-1; i>=0; i--) { 2839 String cur = mSettings.mRenamedPackages.get(names[i]); 2840 out[i] = cur != null ? cur : names[i]; 2841 } 2842 } 2843 return out; 2844 } 2845 2846 @Override 2847 public int getPackageUid(String packageName, int flags, int userId) { 2848 if (!sUserManager.exists(userId)) return -1; 2849 flags = updateFlagsForPackage(flags, userId, packageName); 2850 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid"); 2851 2852 // reader 2853 synchronized (mPackages) { 2854 final PackageParser.Package p = mPackages.get(packageName); 2855 if (p != null && p.isMatch(flags)) { 2856 return UserHandle.getUid(userId, p.applicationInfo.uid); 2857 } 2858 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 2859 final PackageSetting ps = mSettings.mPackages.get(packageName); 2860 if (ps != null && ps.isMatch(flags)) { 2861 return UserHandle.getUid(userId, ps.appId); 2862 } 2863 } 2864 } 2865 2866 return -1; 2867 } 2868 2869 @Override 2870 public int[] getPackageGids(String packageName, int flags, int userId) { 2871 if (!sUserManager.exists(userId)) return null; 2872 flags = updateFlagsForPackage(flags, userId, packageName); 2873 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 2874 "getPackageGids"); 2875 2876 // reader 2877 synchronized (mPackages) { 2878 final PackageParser.Package p = mPackages.get(packageName); 2879 if (p != null && p.isMatch(flags)) { 2880 PackageSetting ps = (PackageSetting) p.mExtras; 2881 return ps.getPermissionsState().computeGids(userId); 2882 } 2883 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 2884 final PackageSetting ps = mSettings.mPackages.get(packageName); 2885 if (ps != null && ps.isMatch(flags)) { 2886 return ps.getPermissionsState().computeGids(userId); 2887 } 2888 } 2889 } 2890 2891 return null; 2892 } 2893 2894 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 2895 if (bp.perm != null) { 2896 return PackageParser.generatePermissionInfo(bp.perm, flags); 2897 } 2898 PermissionInfo pi = new PermissionInfo(); 2899 pi.name = bp.name; 2900 pi.packageName = bp.sourcePackage; 2901 pi.nonLocalizedLabel = bp.name; 2902 pi.protectionLevel = bp.protectionLevel; 2903 return pi; 2904 } 2905 2906 @Override 2907 public PermissionInfo getPermissionInfo(String name, int flags) { 2908 // reader 2909 synchronized (mPackages) { 2910 final BasePermission p = mSettings.mPermissions.get(name); 2911 if (p != null) { 2912 return generatePermissionInfo(p, flags); 2913 } 2914 return null; 2915 } 2916 } 2917 2918 @Override 2919 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2920 // reader 2921 synchronized (mPackages) { 2922 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2923 for (BasePermission p : mSettings.mPermissions.values()) { 2924 if (group == null) { 2925 if (p.perm == null || p.perm.info.group == null) { 2926 out.add(generatePermissionInfo(p, flags)); 2927 } 2928 } else { 2929 if (p.perm != null && group.equals(p.perm.info.group)) { 2930 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2931 } 2932 } 2933 } 2934 2935 if (out.size() > 0) { 2936 return out; 2937 } 2938 return mPermissionGroups.containsKey(group) ? out : null; 2939 } 2940 } 2941 2942 @Override 2943 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2944 // reader 2945 synchronized (mPackages) { 2946 return PackageParser.generatePermissionGroupInfo( 2947 mPermissionGroups.get(name), flags); 2948 } 2949 } 2950 2951 @Override 2952 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2953 // reader 2954 synchronized (mPackages) { 2955 final int N = mPermissionGroups.size(); 2956 ArrayList<PermissionGroupInfo> out 2957 = new ArrayList<PermissionGroupInfo>(N); 2958 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2959 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2960 } 2961 return out; 2962 } 2963 } 2964 2965 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2966 int userId) { 2967 if (!sUserManager.exists(userId)) return null; 2968 PackageSetting ps = mSettings.mPackages.get(packageName); 2969 if (ps != null) { 2970 if (ps.pkg == null) { 2971 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2972 flags, userId); 2973 if (pInfo != null) { 2974 return pInfo.applicationInfo; 2975 } 2976 return null; 2977 } 2978 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2979 ps.readUserState(userId), userId); 2980 } 2981 return null; 2982 } 2983 2984 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2985 int userId) { 2986 if (!sUserManager.exists(userId)) return null; 2987 PackageSetting ps = mSettings.mPackages.get(packageName); 2988 if (ps != null) { 2989 PackageParser.Package pkg = ps.pkg; 2990 if (pkg == null) { 2991 if ((flags & MATCH_UNINSTALLED_PACKAGES) == 0) { 2992 return null; 2993 } 2994 // Only data remains, so we aren't worried about code paths 2995 pkg = new PackageParser.Package(packageName); 2996 pkg.applicationInfo.packageName = packageName; 2997 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2998 pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags; 2999 pkg.applicationInfo.uid = ps.appId; 3000 pkg.applicationInfo.initForUser(userId); 3001 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 3002 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 3003 } 3004 return generatePackageInfo(pkg, flags, userId); 3005 } 3006 return null; 3007 } 3008 3009 @Override 3010 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3011 if (!sUserManager.exists(userId)) return null; 3012 flags = updateFlagsForApplication(flags, userId, packageName); 3013 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info"); 3014 // writer 3015 synchronized (mPackages) { 3016 PackageParser.Package p = mPackages.get(packageName); 3017 if (DEBUG_PACKAGE_INFO) Log.v( 3018 TAG, "getApplicationInfo " + packageName 3019 + ": " + p); 3020 if (p != null) { 3021 PackageSetting ps = mSettings.mPackages.get(packageName); 3022 if (ps == null) return null; 3023 // Note: isEnabledLP() does not apply here - always return info 3024 return PackageParser.generateApplicationInfo( 3025 p, flags, ps.readUserState(userId), userId); 3026 } 3027 if ("android".equals(packageName)||"system".equals(packageName)) { 3028 return mAndroidApplication; 3029 } 3030 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3031 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3032 } 3033 } 3034 return null; 3035 } 3036 3037 @Override 3038 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3039 final IPackageDataObserver observer) { 3040 mContext.enforceCallingOrSelfPermission( 3041 android.Manifest.permission.CLEAR_APP_CACHE, null); 3042 // Queue up an async operation since clearing cache may take a little while. 3043 mHandler.post(new Runnable() { 3044 public void run() { 3045 mHandler.removeCallbacks(this); 3046 boolean success = true; 3047 synchronized (mInstallLock) { 3048 try { 3049 mInstaller.freeCache(volumeUuid, freeStorageSize); 3050 } catch (InstallerException e) { 3051 Slog.w(TAG, "Couldn't clear application caches: " + e); 3052 success = false; 3053 } 3054 } 3055 if (observer != null) { 3056 try { 3057 observer.onRemoveCompleted(null, success); 3058 } catch (RemoteException e) { 3059 Slog.w(TAG, "RemoveException when invoking call back"); 3060 } 3061 } 3062 } 3063 }); 3064 } 3065 3066 @Override 3067 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3068 final IntentSender pi) { 3069 mContext.enforceCallingOrSelfPermission( 3070 android.Manifest.permission.CLEAR_APP_CACHE, null); 3071 // Queue up an async operation since clearing cache may take a little while. 3072 mHandler.post(new Runnable() { 3073 public void run() { 3074 mHandler.removeCallbacks(this); 3075 boolean success = true; 3076 synchronized (mInstallLock) { 3077 try { 3078 mInstaller.freeCache(volumeUuid, freeStorageSize); 3079 } catch (InstallerException e) { 3080 Slog.w(TAG, "Couldn't clear application caches: " + e); 3081 success = false; 3082 } 3083 } 3084 if(pi != null) { 3085 try { 3086 // Callback via pending intent 3087 int code = success ? 1 : 0; 3088 pi.sendIntent(null, code, null, 3089 null, null); 3090 } catch (SendIntentException e1) { 3091 Slog.i(TAG, "Failed to send pending intent"); 3092 } 3093 } 3094 } 3095 }); 3096 } 3097 3098 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3099 synchronized (mInstallLock) { 3100 try { 3101 mInstaller.freeCache(volumeUuid, freeStorageSize); 3102 } catch (InstallerException e) { 3103 throw new IOException("Failed to free enough space", e); 3104 } 3105 } 3106 } 3107 3108 /** 3109 * Return if the user key is currently unlocked. 3110 */ 3111 private boolean isUserKeyUnlocked(int userId) { 3112 if (StorageManager.isFileBasedEncryptionEnabled()) { 3113 final IMountService mount = IMountService.Stub 3114 .asInterface(ServiceManager.getService("mount")); 3115 if (mount == null) { 3116 Slog.w(TAG, "Early during boot, assuming locked"); 3117 return false; 3118 } 3119 final long token = Binder.clearCallingIdentity(); 3120 try { 3121 return mount.isUserKeyUnlocked(userId); 3122 } catch (RemoteException e) { 3123 throw e.rethrowAsRuntimeException(); 3124 } finally { 3125 Binder.restoreCallingIdentity(token); 3126 } 3127 } else { 3128 return true; 3129 } 3130 } 3131 3132 /** 3133 * Update given flags based on encryption status of current user. 3134 */ 3135 private int updateFlags(int flags, int userId) { 3136 if ((flags & (PackageManager.MATCH_ENCRYPTION_UNAWARE 3137 | PackageManager.MATCH_ENCRYPTION_AWARE)) != 0) { 3138 // Caller expressed an explicit opinion about what encryption 3139 // aware/unaware components they want to see, so fall through and 3140 // give them what they want 3141 } else { 3142 // Caller expressed no opinion, so match based on user state 3143 if (isUserKeyUnlocked(userId)) { 3144 flags |= PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE; 3145 } else { 3146 flags |= PackageManager.MATCH_ENCRYPTION_AWARE; 3147 } 3148 } 3149 3150 // Safe mode means we should ignore any third-party apps 3151 if (mSafeMode) { 3152 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3153 } 3154 3155 return flags; 3156 } 3157 3158 /** 3159 * Update given flags when being used to request {@link PackageInfo}. 3160 */ 3161 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3162 boolean triaged = true; 3163 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3164 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3165 // Caller is asking for component details, so they'd better be 3166 // asking for specific encryption matching behavior, or be triaged 3167 if ((flags & (PackageManager.MATCH_ENCRYPTION_UNAWARE 3168 | PackageManager.MATCH_ENCRYPTION_AWARE 3169 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3170 triaged = false; 3171 } 3172 } 3173 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3174 | PackageManager.MATCH_SYSTEM_ONLY 3175 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3176 triaged = false; 3177 } 3178 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3179 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3180 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3181 } 3182 return updateFlags(flags, userId); 3183 } 3184 3185 /** 3186 * Update given flags when being used to request {@link ApplicationInfo}. 3187 */ 3188 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3189 return updateFlagsForPackage(flags, userId, cookie); 3190 } 3191 3192 /** 3193 * Update given flags when being used to request {@link ComponentInfo}. 3194 */ 3195 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3196 if (cookie instanceof Intent) { 3197 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3198 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3199 } 3200 } 3201 3202 boolean triaged = true; 3203 // Caller is asking for component details, so they'd better be 3204 // asking for specific encryption matching behavior, or be triaged 3205 if ((flags & (PackageManager.MATCH_ENCRYPTION_UNAWARE 3206 | PackageManager.MATCH_ENCRYPTION_AWARE 3207 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3208 triaged = false; 3209 } 3210 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3211 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3212 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3213 } 3214 return updateFlags(flags, userId); 3215 } 3216 3217 /** 3218 * Update given flags when being used to request {@link ResolveInfo}. 3219 */ 3220 private int updateFlagsForResolve(int flags, int userId, Object cookie) { 3221 return updateFlagsForComponent(flags, userId, cookie); 3222 } 3223 3224 @Override 3225 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3226 if (!sUserManager.exists(userId)) return null; 3227 flags = updateFlagsForComponent(flags, userId, component); 3228 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info"); 3229 synchronized (mPackages) { 3230 PackageParser.Activity a = mActivities.mActivities.get(component); 3231 3232 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3233 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3234 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3235 if (ps == null) return null; 3236 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3237 userId); 3238 } 3239 if (mResolveComponentName.equals(component)) { 3240 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3241 new PackageUserState(), userId); 3242 } 3243 } 3244 return null; 3245 } 3246 3247 @Override 3248 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3249 String resolvedType) { 3250 synchronized (mPackages) { 3251 if (component.equals(mResolveComponentName)) { 3252 // The resolver supports EVERYTHING! 3253 return true; 3254 } 3255 PackageParser.Activity a = mActivities.mActivities.get(component); 3256 if (a == null) { 3257 return false; 3258 } 3259 for (int i=0; i<a.intents.size(); i++) { 3260 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3261 intent.getData(), intent.getCategories(), TAG) >= 0) { 3262 return true; 3263 } 3264 } 3265 return false; 3266 } 3267 } 3268 3269 @Override 3270 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3271 if (!sUserManager.exists(userId)) return null; 3272 flags = updateFlagsForComponent(flags, userId, component); 3273 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info"); 3274 synchronized (mPackages) { 3275 PackageParser.Activity a = mReceivers.mActivities.get(component); 3276 if (DEBUG_PACKAGE_INFO) Log.v( 3277 TAG, "getReceiverInfo " + component + ": " + a); 3278 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3279 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3280 if (ps == null) return null; 3281 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3282 userId); 3283 } 3284 } 3285 return null; 3286 } 3287 3288 @Override 3289 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3290 if (!sUserManager.exists(userId)) return null; 3291 flags = updateFlagsForComponent(flags, userId, component); 3292 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info"); 3293 synchronized (mPackages) { 3294 PackageParser.Service s = mServices.mServices.get(component); 3295 if (DEBUG_PACKAGE_INFO) Log.v( 3296 TAG, "getServiceInfo " + component + ": " + s); 3297 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3298 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3299 if (ps == null) return null; 3300 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3301 userId); 3302 } 3303 } 3304 return null; 3305 } 3306 3307 @Override 3308 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3309 if (!sUserManager.exists(userId)) return null; 3310 flags = updateFlagsForComponent(flags, userId, component); 3311 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info"); 3312 synchronized (mPackages) { 3313 PackageParser.Provider p = mProviders.mProviders.get(component); 3314 if (DEBUG_PACKAGE_INFO) Log.v( 3315 TAG, "getProviderInfo " + component + ": " + p); 3316 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3317 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3318 if (ps == null) return null; 3319 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3320 userId); 3321 } 3322 } 3323 return null; 3324 } 3325 3326 @Override 3327 public String[] getSystemSharedLibraryNames() { 3328 Set<String> libSet; 3329 synchronized (mPackages) { 3330 libSet = mSharedLibraries.keySet(); 3331 int size = libSet.size(); 3332 if (size > 0) { 3333 String[] libs = new String[size]; 3334 libSet.toArray(libs); 3335 return libs; 3336 } 3337 } 3338 return null; 3339 } 3340 3341 /** 3342 * @hide 3343 */ 3344 PackageParser.Package findSharedNonSystemLibrary(String libName) { 3345 synchronized (mPackages) { 3346 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 3347 if (lib != null && lib.apk != null) { 3348 return mPackages.get(lib.apk); 3349 } 3350 } 3351 return null; 3352 } 3353 3354 @Override 3355 public FeatureInfo[] getSystemAvailableFeatures() { 3356 Collection<FeatureInfo> featSet; 3357 synchronized (mPackages) { 3358 featSet = mAvailableFeatures.values(); 3359 int size = featSet.size(); 3360 if (size > 0) { 3361 FeatureInfo[] features = new FeatureInfo[size+1]; 3362 featSet.toArray(features); 3363 FeatureInfo fi = new FeatureInfo(); 3364 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3365 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3366 features[size] = fi; 3367 return features; 3368 } 3369 } 3370 return null; 3371 } 3372 3373 @Override 3374 public boolean hasSystemFeature(String name) { 3375 synchronized (mPackages) { 3376 return mAvailableFeatures.containsKey(name); 3377 } 3378 } 3379 3380 @Override 3381 public int checkPermission(String permName, String pkgName, int userId) { 3382 if (!sUserManager.exists(userId)) { 3383 return PackageManager.PERMISSION_DENIED; 3384 } 3385 3386 synchronized (mPackages) { 3387 final PackageParser.Package p = mPackages.get(pkgName); 3388 if (p != null && p.mExtras != null) { 3389 final PackageSetting ps = (PackageSetting) p.mExtras; 3390 final PermissionsState permissionsState = ps.getPermissionsState(); 3391 if (permissionsState.hasPermission(permName, userId)) { 3392 return PackageManager.PERMISSION_GRANTED; 3393 } 3394 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3395 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3396 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3397 return PackageManager.PERMISSION_GRANTED; 3398 } 3399 } 3400 } 3401 3402 return PackageManager.PERMISSION_DENIED; 3403 } 3404 3405 @Override 3406 public int checkUidPermission(String permName, int uid) { 3407 final int userId = UserHandle.getUserId(uid); 3408 3409 if (!sUserManager.exists(userId)) { 3410 return PackageManager.PERMISSION_DENIED; 3411 } 3412 3413 synchronized (mPackages) { 3414 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3415 if (obj != null) { 3416 final SettingBase ps = (SettingBase) obj; 3417 final PermissionsState permissionsState = ps.getPermissionsState(); 3418 if (permissionsState.hasPermission(permName, userId)) { 3419 return PackageManager.PERMISSION_GRANTED; 3420 } 3421 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3422 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3423 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3424 return PackageManager.PERMISSION_GRANTED; 3425 } 3426 } else { 3427 ArraySet<String> perms = mSystemPermissions.get(uid); 3428 if (perms != null) { 3429 if (perms.contains(permName)) { 3430 return PackageManager.PERMISSION_GRANTED; 3431 } 3432 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3433 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3434 return PackageManager.PERMISSION_GRANTED; 3435 } 3436 } 3437 } 3438 } 3439 3440 return PackageManager.PERMISSION_DENIED; 3441 } 3442 3443 @Override 3444 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3445 if (UserHandle.getCallingUserId() != userId) { 3446 mContext.enforceCallingPermission( 3447 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3448 "isPermissionRevokedByPolicy for user " + userId); 3449 } 3450 3451 if (checkPermission(permission, packageName, userId) 3452 == PackageManager.PERMISSION_GRANTED) { 3453 return false; 3454 } 3455 3456 final long identity = Binder.clearCallingIdentity(); 3457 try { 3458 final int flags = getPermissionFlags(permission, packageName, userId); 3459 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3460 } finally { 3461 Binder.restoreCallingIdentity(identity); 3462 } 3463 } 3464 3465 @Override 3466 public String getPermissionControllerPackageName() { 3467 synchronized (mPackages) { 3468 return mRequiredInstallerPackage; 3469 } 3470 } 3471 3472 /** 3473 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3474 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3475 * @param checkShell TODO(yamasani): 3476 * @param message the message to log on security exception 3477 */ 3478 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3479 boolean checkShell, String message) { 3480 if (userId < 0) { 3481 throw new IllegalArgumentException("Invalid userId " + userId); 3482 } 3483 if (checkShell) { 3484 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3485 } 3486 if (userId == UserHandle.getUserId(callingUid)) return; 3487 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3488 if (requireFullPermission) { 3489 mContext.enforceCallingOrSelfPermission( 3490 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3491 } else { 3492 try { 3493 mContext.enforceCallingOrSelfPermission( 3494 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3495 } catch (SecurityException se) { 3496 mContext.enforceCallingOrSelfPermission( 3497 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3498 } 3499 } 3500 } 3501 } 3502 3503 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3504 if (callingUid == Process.SHELL_UID) { 3505 if (userHandle >= 0 3506 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3507 throw new SecurityException("Shell does not have permission to access user " 3508 + userHandle); 3509 } else if (userHandle < 0) { 3510 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3511 + Debug.getCallers(3)); 3512 } 3513 } 3514 } 3515 3516 private BasePermission findPermissionTreeLP(String permName) { 3517 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3518 if (permName.startsWith(bp.name) && 3519 permName.length() > bp.name.length() && 3520 permName.charAt(bp.name.length()) == '.') { 3521 return bp; 3522 } 3523 } 3524 return null; 3525 } 3526 3527 private BasePermission checkPermissionTreeLP(String permName) { 3528 if (permName != null) { 3529 BasePermission bp = findPermissionTreeLP(permName); 3530 if (bp != null) { 3531 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3532 return bp; 3533 } 3534 throw new SecurityException("Calling uid " 3535 + Binder.getCallingUid() 3536 + " is not allowed to add to permission tree " 3537 + bp.name + " owned by uid " + bp.uid); 3538 } 3539 } 3540 throw new SecurityException("No permission tree found for " + permName); 3541 } 3542 3543 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3544 if (s1 == null) { 3545 return s2 == null; 3546 } 3547 if (s2 == null) { 3548 return false; 3549 } 3550 if (s1.getClass() != s2.getClass()) { 3551 return false; 3552 } 3553 return s1.equals(s2); 3554 } 3555 3556 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3557 if (pi1.icon != pi2.icon) return false; 3558 if (pi1.logo != pi2.logo) return false; 3559 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3560 if (!compareStrings(pi1.name, pi2.name)) return false; 3561 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3562 // We'll take care of setting this one. 3563 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3564 // These are not currently stored in settings. 3565 //if (!compareStrings(pi1.group, pi2.group)) return false; 3566 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3567 //if (pi1.labelRes != pi2.labelRes) return false; 3568 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3569 return true; 3570 } 3571 3572 int permissionInfoFootprint(PermissionInfo info) { 3573 int size = info.name.length(); 3574 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3575 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3576 return size; 3577 } 3578 3579 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3580 int size = 0; 3581 for (BasePermission perm : mSettings.mPermissions.values()) { 3582 if (perm.uid == tree.uid) { 3583 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3584 } 3585 } 3586 return size; 3587 } 3588 3589 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3590 // We calculate the max size of permissions defined by this uid and throw 3591 // if that plus the size of 'info' would exceed our stated maximum. 3592 if (tree.uid != Process.SYSTEM_UID) { 3593 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3594 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3595 throw new SecurityException("Permission tree size cap exceeded"); 3596 } 3597 } 3598 } 3599 3600 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3601 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3602 throw new SecurityException("Label must be specified in permission"); 3603 } 3604 BasePermission tree = checkPermissionTreeLP(info.name); 3605 BasePermission bp = mSettings.mPermissions.get(info.name); 3606 boolean added = bp == null; 3607 boolean changed = true; 3608 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3609 if (added) { 3610 enforcePermissionCapLocked(info, tree); 3611 bp = new BasePermission(info.name, tree.sourcePackage, 3612 BasePermission.TYPE_DYNAMIC); 3613 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3614 throw new SecurityException( 3615 "Not allowed to modify non-dynamic permission " 3616 + info.name); 3617 } else { 3618 if (bp.protectionLevel == fixedLevel 3619 && bp.perm.owner.equals(tree.perm.owner) 3620 && bp.uid == tree.uid 3621 && comparePermissionInfos(bp.perm.info, info)) { 3622 changed = false; 3623 } 3624 } 3625 bp.protectionLevel = fixedLevel; 3626 info = new PermissionInfo(info); 3627 info.protectionLevel = fixedLevel; 3628 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3629 bp.perm.info.packageName = tree.perm.info.packageName; 3630 bp.uid = tree.uid; 3631 if (added) { 3632 mSettings.mPermissions.put(info.name, bp); 3633 } 3634 if (changed) { 3635 if (!async) { 3636 mSettings.writeLPr(); 3637 } else { 3638 scheduleWriteSettingsLocked(); 3639 } 3640 } 3641 return added; 3642 } 3643 3644 @Override 3645 public boolean addPermission(PermissionInfo info) { 3646 synchronized (mPackages) { 3647 return addPermissionLocked(info, false); 3648 } 3649 } 3650 3651 @Override 3652 public boolean addPermissionAsync(PermissionInfo info) { 3653 synchronized (mPackages) { 3654 return addPermissionLocked(info, true); 3655 } 3656 } 3657 3658 @Override 3659 public void removePermission(String name) { 3660 synchronized (mPackages) { 3661 checkPermissionTreeLP(name); 3662 BasePermission bp = mSettings.mPermissions.get(name); 3663 if (bp != null) { 3664 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3665 throw new SecurityException( 3666 "Not allowed to modify non-dynamic permission " 3667 + name); 3668 } 3669 mSettings.mPermissions.remove(name); 3670 mSettings.writeLPr(); 3671 } 3672 } 3673 } 3674 3675 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3676 BasePermission bp) { 3677 int index = pkg.requestedPermissions.indexOf(bp.name); 3678 if (index == -1) { 3679 throw new SecurityException("Package " + pkg.packageName 3680 + " has not requested permission " + bp.name); 3681 } 3682 if (!bp.isRuntime() && !bp.isDevelopment()) { 3683 throw new SecurityException("Permission " + bp.name 3684 + " is not a changeable permission type"); 3685 } 3686 } 3687 3688 @Override 3689 public void grantRuntimePermission(String packageName, String name, final int userId) { 3690 if (!sUserManager.exists(userId)) { 3691 Log.e(TAG, "No such user:" + userId); 3692 return; 3693 } 3694 3695 mContext.enforceCallingOrSelfPermission( 3696 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3697 "grantRuntimePermission"); 3698 3699 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3700 "grantRuntimePermission"); 3701 3702 final int uid; 3703 final SettingBase sb; 3704 3705 synchronized (mPackages) { 3706 final PackageParser.Package pkg = mPackages.get(packageName); 3707 if (pkg == null) { 3708 throw new IllegalArgumentException("Unknown package: " + packageName); 3709 } 3710 3711 final BasePermission bp = mSettings.mPermissions.get(name); 3712 if (bp == null) { 3713 throw new IllegalArgumentException("Unknown permission: " + name); 3714 } 3715 3716 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3717 3718 // If a permission review is required for legacy apps we represent 3719 // their permissions as always granted runtime ones since we need 3720 // to keep the review required permission flag per user while an 3721 // install permission's state is shared across all users. 3722 if (Build.PERMISSIONS_REVIEW_REQUIRED 3723 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3724 && bp.isRuntime()) { 3725 return; 3726 } 3727 3728 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 3729 sb = (SettingBase) pkg.mExtras; 3730 if (sb == null) { 3731 throw new IllegalArgumentException("Unknown package: " + packageName); 3732 } 3733 3734 final PermissionsState permissionsState = sb.getPermissionsState(); 3735 3736 final int flags = permissionsState.getPermissionFlags(name, userId); 3737 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3738 throw new SecurityException("Cannot grant system fixed permission " 3739 + name + " for package " + packageName); 3740 } 3741 3742 if (bp.isDevelopment()) { 3743 // Development permissions must be handled specially, since they are not 3744 // normal runtime permissions. For now they apply to all users. 3745 if (permissionsState.grantInstallPermission(bp) != 3746 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3747 scheduleWriteSettingsLocked(); 3748 } 3749 return; 3750 } 3751 3752 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 3753 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 3754 return; 3755 } 3756 3757 final int result = permissionsState.grantRuntimePermission(bp, userId); 3758 switch (result) { 3759 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 3760 return; 3761 } 3762 3763 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 3764 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3765 mHandler.post(new Runnable() { 3766 @Override 3767 public void run() { 3768 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 3769 } 3770 }); 3771 } 3772 break; 3773 } 3774 3775 mOnPermissionChangeListeners.onPermissionsChanged(uid); 3776 3777 // Not critical if that is lost - app has to request again. 3778 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3779 } 3780 3781 // Only need to do this if user is initialized. Otherwise it's a new user 3782 // and there are no processes running as the user yet and there's no need 3783 // to make an expensive call to remount processes for the changed permissions. 3784 if (READ_EXTERNAL_STORAGE.equals(name) 3785 || WRITE_EXTERNAL_STORAGE.equals(name)) { 3786 final long token = Binder.clearCallingIdentity(); 3787 try { 3788 if (sUserManager.isInitialized(userId)) { 3789 MountServiceInternal mountServiceInternal = LocalServices.getService( 3790 MountServiceInternal.class); 3791 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 3792 } 3793 } finally { 3794 Binder.restoreCallingIdentity(token); 3795 } 3796 } 3797 } 3798 3799 @Override 3800 public void revokeRuntimePermission(String packageName, String name, int userId) { 3801 if (!sUserManager.exists(userId)) { 3802 Log.e(TAG, "No such user:" + userId); 3803 return; 3804 } 3805 3806 mContext.enforceCallingOrSelfPermission( 3807 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3808 "revokeRuntimePermission"); 3809 3810 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3811 "revokeRuntimePermission"); 3812 3813 final int appId; 3814 3815 synchronized (mPackages) { 3816 final PackageParser.Package pkg = mPackages.get(packageName); 3817 if (pkg == null) { 3818 throw new IllegalArgumentException("Unknown package: " + packageName); 3819 } 3820 3821 final BasePermission bp = mSettings.mPermissions.get(name); 3822 if (bp == null) { 3823 throw new IllegalArgumentException("Unknown permission: " + name); 3824 } 3825 3826 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3827 3828 // If a permission review is required for legacy apps we represent 3829 // their permissions as always granted runtime ones since we need 3830 // to keep the review required permission flag per user while an 3831 // install permission's state is shared across all users. 3832 if (Build.PERMISSIONS_REVIEW_REQUIRED 3833 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3834 && bp.isRuntime()) { 3835 return; 3836 } 3837 3838 SettingBase sb = (SettingBase) pkg.mExtras; 3839 if (sb == null) { 3840 throw new IllegalArgumentException("Unknown package: " + packageName); 3841 } 3842 3843 final PermissionsState permissionsState = sb.getPermissionsState(); 3844 3845 final int flags = permissionsState.getPermissionFlags(name, userId); 3846 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3847 throw new SecurityException("Cannot revoke system fixed permission " 3848 + name + " for package " + packageName); 3849 } 3850 3851 if (bp.isDevelopment()) { 3852 // Development permissions must be handled specially, since they are not 3853 // normal runtime permissions. For now they apply to all users. 3854 if (permissionsState.revokeInstallPermission(bp) != 3855 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3856 scheduleWriteSettingsLocked(); 3857 } 3858 return; 3859 } 3860 3861 if (permissionsState.revokeRuntimePermission(bp, userId) == 3862 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3863 return; 3864 } 3865 3866 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 3867 3868 // Critical, after this call app should never have the permission. 3869 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 3870 3871 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3872 } 3873 3874 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 3875 } 3876 3877 @Override 3878 public void resetRuntimePermissions() { 3879 mContext.enforceCallingOrSelfPermission( 3880 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3881 "revokeRuntimePermission"); 3882 3883 int callingUid = Binder.getCallingUid(); 3884 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3885 mContext.enforceCallingOrSelfPermission( 3886 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3887 "resetRuntimePermissions"); 3888 } 3889 3890 synchronized (mPackages) { 3891 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 3892 for (int userId : UserManagerService.getInstance().getUserIds()) { 3893 final int packageCount = mPackages.size(); 3894 for (int i = 0; i < packageCount; i++) { 3895 PackageParser.Package pkg = mPackages.valueAt(i); 3896 if (!(pkg.mExtras instanceof PackageSetting)) { 3897 continue; 3898 } 3899 PackageSetting ps = (PackageSetting) pkg.mExtras; 3900 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 3901 } 3902 } 3903 } 3904 } 3905 3906 @Override 3907 public int getPermissionFlags(String name, String packageName, int userId) { 3908 if (!sUserManager.exists(userId)) { 3909 return 0; 3910 } 3911 3912 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 3913 3914 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3915 "getPermissionFlags"); 3916 3917 synchronized (mPackages) { 3918 final PackageParser.Package pkg = mPackages.get(packageName); 3919 if (pkg == null) { 3920 throw new IllegalArgumentException("Unknown package: " + packageName); 3921 } 3922 3923 final BasePermission bp = mSettings.mPermissions.get(name); 3924 if (bp == null) { 3925 throw new IllegalArgumentException("Unknown permission: " + name); 3926 } 3927 3928 SettingBase sb = (SettingBase) pkg.mExtras; 3929 if (sb == null) { 3930 throw new IllegalArgumentException("Unknown package: " + packageName); 3931 } 3932 3933 PermissionsState permissionsState = sb.getPermissionsState(); 3934 return permissionsState.getPermissionFlags(name, userId); 3935 } 3936 } 3937 3938 @Override 3939 public void updatePermissionFlags(String name, String packageName, int flagMask, 3940 int flagValues, int userId) { 3941 if (!sUserManager.exists(userId)) { 3942 return; 3943 } 3944 3945 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 3946 3947 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3948 "updatePermissionFlags"); 3949 3950 // Only the system can change these flags and nothing else. 3951 if (getCallingUid() != Process.SYSTEM_UID) { 3952 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3953 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3954 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 3955 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 3956 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 3957 } 3958 3959 synchronized (mPackages) { 3960 final PackageParser.Package pkg = mPackages.get(packageName); 3961 if (pkg == null) { 3962 throw new IllegalArgumentException("Unknown package: " + packageName); 3963 } 3964 3965 final BasePermission bp = mSettings.mPermissions.get(name); 3966 if (bp == null) { 3967 throw new IllegalArgumentException("Unknown permission: " + name); 3968 } 3969 3970 SettingBase sb = (SettingBase) pkg.mExtras; 3971 if (sb == null) { 3972 throw new IllegalArgumentException("Unknown package: " + packageName); 3973 } 3974 3975 PermissionsState permissionsState = sb.getPermissionsState(); 3976 3977 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 3978 3979 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 3980 // Install and runtime permissions are stored in different places, 3981 // so figure out what permission changed and persist the change. 3982 if (permissionsState.getInstallPermissionState(name) != null) { 3983 scheduleWriteSettingsLocked(); 3984 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 3985 || hadState) { 3986 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3987 } 3988 } 3989 } 3990 } 3991 3992 /** 3993 * Update the permission flags for all packages and runtime permissions of a user in order 3994 * to allow device or profile owner to remove POLICY_FIXED. 3995 */ 3996 @Override 3997 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 3998 if (!sUserManager.exists(userId)) { 3999 return; 4000 } 4001 4002 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4003 4004 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 4005 "updatePermissionFlagsForAllApps"); 4006 4007 // Only the system can change system fixed flags. 4008 if (getCallingUid() != Process.SYSTEM_UID) { 4009 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4010 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4011 } 4012 4013 synchronized (mPackages) { 4014 boolean changed = false; 4015 final int packageCount = mPackages.size(); 4016 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4017 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4018 SettingBase sb = (SettingBase) pkg.mExtras; 4019 if (sb == null) { 4020 continue; 4021 } 4022 PermissionsState permissionsState = sb.getPermissionsState(); 4023 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4024 userId, flagMask, flagValues); 4025 } 4026 if (changed) { 4027 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4028 } 4029 } 4030 } 4031 4032 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4033 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4034 != PackageManager.PERMISSION_GRANTED 4035 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4036 != PackageManager.PERMISSION_GRANTED) { 4037 throw new SecurityException(message + " requires " 4038 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4039 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4040 } 4041 } 4042 4043 @Override 4044 public boolean shouldShowRequestPermissionRationale(String permissionName, 4045 String packageName, int userId) { 4046 if (UserHandle.getCallingUserId() != userId) { 4047 mContext.enforceCallingPermission( 4048 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4049 "canShowRequestPermissionRationale for user " + userId); 4050 } 4051 4052 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4053 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4054 return false; 4055 } 4056 4057 if (checkPermission(permissionName, packageName, userId) 4058 == PackageManager.PERMISSION_GRANTED) { 4059 return false; 4060 } 4061 4062 final int flags; 4063 4064 final long identity = Binder.clearCallingIdentity(); 4065 try { 4066 flags = getPermissionFlags(permissionName, 4067 packageName, userId); 4068 } finally { 4069 Binder.restoreCallingIdentity(identity); 4070 } 4071 4072 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4073 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4074 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4075 4076 if ((flags & fixedFlags) != 0) { 4077 return false; 4078 } 4079 4080 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4081 } 4082 4083 @Override 4084 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4085 mContext.enforceCallingOrSelfPermission( 4086 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4087 "addOnPermissionsChangeListener"); 4088 4089 synchronized (mPackages) { 4090 mOnPermissionChangeListeners.addListenerLocked(listener); 4091 } 4092 } 4093 4094 @Override 4095 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4096 synchronized (mPackages) { 4097 mOnPermissionChangeListeners.removeListenerLocked(listener); 4098 } 4099 } 4100 4101 @Override 4102 public boolean isProtectedBroadcast(String actionName) { 4103 synchronized (mPackages) { 4104 if (mProtectedBroadcasts.contains(actionName)) { 4105 return true; 4106 } else if (actionName != null) { 4107 // TODO: remove these terrible hacks 4108 if (actionName.startsWith("android.net.netmon.lingerExpired") 4109 || actionName.startsWith("com.android.server.sip.SipWakeupTimer")) { 4110 return true; 4111 } 4112 } 4113 } 4114 return false; 4115 } 4116 4117 @Override 4118 public int checkSignatures(String pkg1, String pkg2) { 4119 synchronized (mPackages) { 4120 final PackageParser.Package p1 = mPackages.get(pkg1); 4121 final PackageParser.Package p2 = mPackages.get(pkg2); 4122 if (p1 == null || p1.mExtras == null 4123 || p2 == null || p2.mExtras == null) { 4124 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4125 } 4126 return compareSignatures(p1.mSignatures, p2.mSignatures); 4127 } 4128 } 4129 4130 @Override 4131 public int checkUidSignatures(int uid1, int uid2) { 4132 // Map to base uids. 4133 uid1 = UserHandle.getAppId(uid1); 4134 uid2 = UserHandle.getAppId(uid2); 4135 // reader 4136 synchronized (mPackages) { 4137 Signature[] s1; 4138 Signature[] s2; 4139 Object obj = mSettings.getUserIdLPr(uid1); 4140 if (obj != null) { 4141 if (obj instanceof SharedUserSetting) { 4142 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4143 } else if (obj instanceof PackageSetting) { 4144 s1 = ((PackageSetting)obj).signatures.mSignatures; 4145 } else { 4146 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4147 } 4148 } else { 4149 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4150 } 4151 obj = mSettings.getUserIdLPr(uid2); 4152 if (obj != null) { 4153 if (obj instanceof SharedUserSetting) { 4154 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4155 } else if (obj instanceof PackageSetting) { 4156 s2 = ((PackageSetting)obj).signatures.mSignatures; 4157 } else { 4158 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4159 } 4160 } else { 4161 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4162 } 4163 return compareSignatures(s1, s2); 4164 } 4165 } 4166 4167 private void killUid(int appId, int userId, String reason) { 4168 final long identity = Binder.clearCallingIdentity(); 4169 try { 4170 IActivityManager am = ActivityManagerNative.getDefault(); 4171 if (am != null) { 4172 try { 4173 am.killUid(appId, userId, reason); 4174 } catch (RemoteException e) { 4175 /* ignore - same process */ 4176 } 4177 } 4178 } finally { 4179 Binder.restoreCallingIdentity(identity); 4180 } 4181 } 4182 4183 /** 4184 * Compares two sets of signatures. Returns: 4185 * <br /> 4186 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4187 * <br /> 4188 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4189 * <br /> 4190 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4191 * <br /> 4192 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4193 * <br /> 4194 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4195 */ 4196 static int compareSignatures(Signature[] s1, Signature[] s2) { 4197 if (s1 == null) { 4198 return s2 == null 4199 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4200 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4201 } 4202 4203 if (s2 == null) { 4204 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4205 } 4206 4207 if (s1.length != s2.length) { 4208 return PackageManager.SIGNATURE_NO_MATCH; 4209 } 4210 4211 // Since both signature sets are of size 1, we can compare without HashSets. 4212 if (s1.length == 1) { 4213 return s1[0].equals(s2[0]) ? 4214 PackageManager.SIGNATURE_MATCH : 4215 PackageManager.SIGNATURE_NO_MATCH; 4216 } 4217 4218 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4219 for (Signature sig : s1) { 4220 set1.add(sig); 4221 } 4222 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4223 for (Signature sig : s2) { 4224 set2.add(sig); 4225 } 4226 // Make sure s2 contains all signatures in s1. 4227 if (set1.equals(set2)) { 4228 return PackageManager.SIGNATURE_MATCH; 4229 } 4230 return PackageManager.SIGNATURE_NO_MATCH; 4231 } 4232 4233 /** 4234 * If the database version for this type of package (internal storage or 4235 * external storage) is less than the version where package signatures 4236 * were updated, return true. 4237 */ 4238 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4239 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4240 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4241 } 4242 4243 /** 4244 * Used for backward compatibility to make sure any packages with 4245 * certificate chains get upgraded to the new style. {@code existingSigs} 4246 * will be in the old format (since they were stored on disk from before the 4247 * system upgrade) and {@code scannedSigs} will be in the newer format. 4248 */ 4249 private int compareSignaturesCompat(PackageSignatures existingSigs, 4250 PackageParser.Package scannedPkg) { 4251 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4252 return PackageManager.SIGNATURE_NO_MATCH; 4253 } 4254 4255 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4256 for (Signature sig : existingSigs.mSignatures) { 4257 existingSet.add(sig); 4258 } 4259 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4260 for (Signature sig : scannedPkg.mSignatures) { 4261 try { 4262 Signature[] chainSignatures = sig.getChainSignatures(); 4263 for (Signature chainSig : chainSignatures) { 4264 scannedCompatSet.add(chainSig); 4265 } 4266 } catch (CertificateEncodingException e) { 4267 scannedCompatSet.add(sig); 4268 } 4269 } 4270 /* 4271 * Make sure the expanded scanned set contains all signatures in the 4272 * existing one. 4273 */ 4274 if (scannedCompatSet.equals(existingSet)) { 4275 // Migrate the old signatures to the new scheme. 4276 existingSigs.assignSignatures(scannedPkg.mSignatures); 4277 // The new KeySets will be re-added later in the scanning process. 4278 synchronized (mPackages) { 4279 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4280 } 4281 return PackageManager.SIGNATURE_MATCH; 4282 } 4283 return PackageManager.SIGNATURE_NO_MATCH; 4284 } 4285 4286 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4287 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4288 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4289 } 4290 4291 private int compareSignaturesRecover(PackageSignatures existingSigs, 4292 PackageParser.Package scannedPkg) { 4293 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4294 return PackageManager.SIGNATURE_NO_MATCH; 4295 } 4296 4297 String msg = null; 4298 try { 4299 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4300 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4301 + scannedPkg.packageName); 4302 return PackageManager.SIGNATURE_MATCH; 4303 } 4304 } catch (CertificateException e) { 4305 msg = e.getMessage(); 4306 } 4307 4308 logCriticalInfo(Log.INFO, 4309 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4310 return PackageManager.SIGNATURE_NO_MATCH; 4311 } 4312 4313 @Override 4314 public String[] getPackagesForUid(int uid) { 4315 uid = UserHandle.getAppId(uid); 4316 // reader 4317 synchronized (mPackages) { 4318 Object obj = mSettings.getUserIdLPr(uid); 4319 if (obj instanceof SharedUserSetting) { 4320 final SharedUserSetting sus = (SharedUserSetting) obj; 4321 final int N = sus.packages.size(); 4322 final String[] res = new String[N]; 4323 final Iterator<PackageSetting> it = sus.packages.iterator(); 4324 int i = 0; 4325 while (it.hasNext()) { 4326 res[i++] = it.next().name; 4327 } 4328 return res; 4329 } else if (obj instanceof PackageSetting) { 4330 final PackageSetting ps = (PackageSetting) obj; 4331 return new String[] { ps.name }; 4332 } 4333 } 4334 return null; 4335 } 4336 4337 @Override 4338 public String getNameForUid(int uid) { 4339 // reader 4340 synchronized (mPackages) { 4341 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4342 if (obj instanceof SharedUserSetting) { 4343 final SharedUserSetting sus = (SharedUserSetting) obj; 4344 return sus.name + ":" + sus.userId; 4345 } else if (obj instanceof PackageSetting) { 4346 final PackageSetting ps = (PackageSetting) obj; 4347 return ps.name; 4348 } 4349 } 4350 return null; 4351 } 4352 4353 @Override 4354 public int getUidForSharedUser(String sharedUserName) { 4355 if(sharedUserName == null) { 4356 return -1; 4357 } 4358 // reader 4359 synchronized (mPackages) { 4360 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4361 if (suid == null) { 4362 return -1; 4363 } 4364 return suid.userId; 4365 } 4366 } 4367 4368 @Override 4369 public int getFlagsForUid(int uid) { 4370 synchronized (mPackages) { 4371 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4372 if (obj instanceof SharedUserSetting) { 4373 final SharedUserSetting sus = (SharedUserSetting) obj; 4374 return sus.pkgFlags; 4375 } else if (obj instanceof PackageSetting) { 4376 final PackageSetting ps = (PackageSetting) obj; 4377 return ps.pkgFlags; 4378 } 4379 } 4380 return 0; 4381 } 4382 4383 @Override 4384 public int getPrivateFlagsForUid(int uid) { 4385 synchronized (mPackages) { 4386 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4387 if (obj instanceof SharedUserSetting) { 4388 final SharedUserSetting sus = (SharedUserSetting) obj; 4389 return sus.pkgPrivateFlags; 4390 } else if (obj instanceof PackageSetting) { 4391 final PackageSetting ps = (PackageSetting) obj; 4392 return ps.pkgPrivateFlags; 4393 } 4394 } 4395 return 0; 4396 } 4397 4398 @Override 4399 public boolean isUidPrivileged(int uid) { 4400 uid = UserHandle.getAppId(uid); 4401 // reader 4402 synchronized (mPackages) { 4403 Object obj = mSettings.getUserIdLPr(uid); 4404 if (obj instanceof SharedUserSetting) { 4405 final SharedUserSetting sus = (SharedUserSetting) obj; 4406 final Iterator<PackageSetting> it = sus.packages.iterator(); 4407 while (it.hasNext()) { 4408 if (it.next().isPrivileged()) { 4409 return true; 4410 } 4411 } 4412 } else if (obj instanceof PackageSetting) { 4413 final PackageSetting ps = (PackageSetting) obj; 4414 return ps.isPrivileged(); 4415 } 4416 } 4417 return false; 4418 } 4419 4420 @Override 4421 public String[] getAppOpPermissionPackages(String permissionName) { 4422 synchronized (mPackages) { 4423 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4424 if (pkgs == null) { 4425 return null; 4426 } 4427 return pkgs.toArray(new String[pkgs.size()]); 4428 } 4429 } 4430 4431 @Override 4432 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4433 int flags, int userId) { 4434 if (!sUserManager.exists(userId)) return null; 4435 flags = updateFlagsForResolve(flags, userId, intent); 4436 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent"); 4437 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4438 final ResolveInfo bestChoice = 4439 chooseBestActivity(intent, resolvedType, flags, query, userId); 4440 4441 if (isEphemeralAllowed(intent, query, userId)) { 4442 final EphemeralResolveInfo ai = 4443 getEphemeralResolveInfo(intent, resolvedType, userId); 4444 if (ai != null) { 4445 if (DEBUG_EPHEMERAL) { 4446 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4447 } 4448 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4449 bestChoice.ephemeralResolveInfo = ai; 4450 } 4451 } 4452 return bestChoice; 4453 } 4454 4455 @Override 4456 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4457 IntentFilter filter, int match, ComponentName activity) { 4458 final int userId = UserHandle.getCallingUserId(); 4459 if (DEBUG_PREFERRED) { 4460 Log.v(TAG, "setLastChosenActivity intent=" + intent 4461 + " resolvedType=" + resolvedType 4462 + " flags=" + flags 4463 + " filter=" + filter 4464 + " match=" + match 4465 + " activity=" + activity); 4466 filter.dump(new PrintStreamPrinter(System.out), " "); 4467 } 4468 intent.setComponent(null); 4469 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4470 // Find any earlier preferred or last chosen entries and nuke them 4471 findPreferredActivity(intent, resolvedType, 4472 flags, query, 0, false, true, false, userId); 4473 // Add the new activity as the last chosen for this filter 4474 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4475 "Setting last chosen"); 4476 } 4477 4478 @Override 4479 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4480 final int userId = UserHandle.getCallingUserId(); 4481 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4482 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4483 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4484 false, false, false, userId); 4485 } 4486 4487 4488 private boolean isEphemeralAllowed( 4489 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4490 // Short circuit and return early if possible. 4491 if (DISABLE_EPHEMERAL_APPS) { 4492 return false; 4493 } 4494 final int callingUser = UserHandle.getCallingUserId(); 4495 if (callingUser != UserHandle.USER_SYSTEM) { 4496 return false; 4497 } 4498 if (mEphemeralResolverConnection == null) { 4499 return false; 4500 } 4501 if (intent.getComponent() != null) { 4502 return false; 4503 } 4504 if (intent.getPackage() != null) { 4505 return false; 4506 } 4507 final boolean isWebUri = hasWebURI(intent); 4508 if (!isWebUri) { 4509 return false; 4510 } 4511 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4512 synchronized (mPackages) { 4513 final int count = resolvedActivites.size(); 4514 for (int n = 0; n < count; n++) { 4515 ResolveInfo info = resolvedActivites.get(n); 4516 String packageName = info.activityInfo.packageName; 4517 PackageSetting ps = mSettings.mPackages.get(packageName); 4518 if (ps != null) { 4519 // Try to get the status from User settings first 4520 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4521 int status = (int) (packedStatus >> 32); 4522 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4523 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4524 if (DEBUG_EPHEMERAL) { 4525 Slog.v(TAG, "DENY ephemeral apps;" 4526 + " pkg: " + packageName + ", status: " + status); 4527 } 4528 return false; 4529 } 4530 } 4531 } 4532 } 4533 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4534 return true; 4535 } 4536 4537 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4538 int userId) { 4539 MessageDigest digest = null; 4540 try { 4541 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4542 } catch (NoSuchAlgorithmException e) { 4543 // If we can't create a digest, ignore ephemeral apps. 4544 return null; 4545 } 4546 4547 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4548 final byte[] digestBytes = digest.digest(hostBytes); 4549 int shaPrefix = 4550 digestBytes[0] << 24 4551 | digestBytes[1] << 16 4552 | digestBytes[2] << 8 4553 | digestBytes[3] << 0; 4554 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4555 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 4556 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4557 // No hash prefix match; there are no ephemeral apps for this domain. 4558 return null; 4559 } 4560 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 4561 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 4562 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 4563 continue; 4564 } 4565 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4566 // No filters; this should never happen. 4567 if (filters.isEmpty()) { 4568 continue; 4569 } 4570 // We have a domain match; resolve the filters to see if anything matches. 4571 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4572 for (int j = filters.size() - 1; j >= 0; --j) { 4573 final EphemeralResolveIntentInfo intentInfo = 4574 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4575 ephemeralResolver.addFilter(intentInfo); 4576 } 4577 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4578 intent, resolvedType, false /*defaultOnly*/, userId); 4579 if (!matchedResolveInfoList.isEmpty()) { 4580 return matchedResolveInfoList.get(0); 4581 } 4582 } 4583 // Hash or filter mis-match; no ephemeral apps for this domain. 4584 return null; 4585 } 4586 4587 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4588 int flags, List<ResolveInfo> query, int userId) { 4589 if (query != null) { 4590 final int N = query.size(); 4591 if (N == 1) { 4592 return query.get(0); 4593 } else if (N > 1) { 4594 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4595 // If there is more than one activity with the same priority, 4596 // then let the user decide between them. 4597 ResolveInfo r0 = query.get(0); 4598 ResolveInfo r1 = query.get(1); 4599 if (DEBUG_INTENT_MATCHING || debug) { 4600 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4601 + r1.activityInfo.name + "=" + r1.priority); 4602 } 4603 // If the first activity has a higher priority, or a different 4604 // default, then it is always desirable to pick it. 4605 if (r0.priority != r1.priority 4606 || r0.preferredOrder != r1.preferredOrder 4607 || r0.isDefault != r1.isDefault) { 4608 return query.get(0); 4609 } 4610 // If we have saved a preference for a preferred activity for 4611 // this Intent, use that. 4612 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4613 flags, query, r0.priority, true, false, debug, userId); 4614 if (ri != null) { 4615 return ri; 4616 } 4617 ri = new ResolveInfo(mResolveInfo); 4618 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4619 ri.activityInfo.applicationInfo = new ApplicationInfo( 4620 ri.activityInfo.applicationInfo); 4621 if (userId != 0) { 4622 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4623 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4624 } 4625 // Make sure that the resolver is displayable in car mode 4626 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4627 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4628 return ri; 4629 } 4630 } 4631 return null; 4632 } 4633 4634 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4635 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4636 final int N = query.size(); 4637 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4638 .get(userId); 4639 // Get the list of persistent preferred activities that handle the intent 4640 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4641 List<PersistentPreferredActivity> pprefs = ppir != null 4642 ? ppir.queryIntent(intent, resolvedType, 4643 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4644 : null; 4645 if (pprefs != null && pprefs.size() > 0) { 4646 final int M = pprefs.size(); 4647 for (int i=0; i<M; i++) { 4648 final PersistentPreferredActivity ppa = pprefs.get(i); 4649 if (DEBUG_PREFERRED || debug) { 4650 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4651 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4652 + "\n component=" + ppa.mComponent); 4653 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4654 } 4655 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4656 flags | MATCH_DISABLED_COMPONENTS, userId); 4657 if (DEBUG_PREFERRED || debug) { 4658 Slog.v(TAG, "Found persistent preferred activity:"); 4659 if (ai != null) { 4660 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4661 } else { 4662 Slog.v(TAG, " null"); 4663 } 4664 } 4665 if (ai == null) { 4666 // This previously registered persistent preferred activity 4667 // component is no longer known. Ignore it and do NOT remove it. 4668 continue; 4669 } 4670 for (int j=0; j<N; j++) { 4671 final ResolveInfo ri = query.get(j); 4672 if (!ri.activityInfo.applicationInfo.packageName 4673 .equals(ai.applicationInfo.packageName)) { 4674 continue; 4675 } 4676 if (!ri.activityInfo.name.equals(ai.name)) { 4677 continue; 4678 } 4679 // Found a persistent preference that can handle the intent. 4680 if (DEBUG_PREFERRED || debug) { 4681 Slog.v(TAG, "Returning persistent preferred activity: " + 4682 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4683 } 4684 return ri; 4685 } 4686 } 4687 } 4688 return null; 4689 } 4690 4691 // TODO: handle preferred activities missing while user has amnesia 4692 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 4693 List<ResolveInfo> query, int priority, boolean always, 4694 boolean removeMatches, boolean debug, int userId) { 4695 if (!sUserManager.exists(userId)) return null; 4696 flags = updateFlagsForResolve(flags, userId, intent); 4697 // writer 4698 synchronized (mPackages) { 4699 if (intent.getSelector() != null) { 4700 intent = intent.getSelector(); 4701 } 4702 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4703 4704 // Try to find a matching persistent preferred activity. 4705 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 4706 debug, userId); 4707 4708 // If a persistent preferred activity matched, use it. 4709 if (pri != null) { 4710 return pri; 4711 } 4712 4713 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 4714 // Get the list of preferred activities that handle the intent 4715 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 4716 List<PreferredActivity> prefs = pir != null 4717 ? pir.queryIntent(intent, resolvedType, 4718 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4719 : null; 4720 if (prefs != null && prefs.size() > 0) { 4721 boolean changed = false; 4722 try { 4723 // First figure out how good the original match set is. 4724 // We will only allow preferred activities that came 4725 // from the same match quality. 4726 int match = 0; 4727 4728 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 4729 4730 final int N = query.size(); 4731 for (int j=0; j<N; j++) { 4732 final ResolveInfo ri = query.get(j); 4733 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 4734 + ": 0x" + Integer.toHexString(match)); 4735 if (ri.match > match) { 4736 match = ri.match; 4737 } 4738 } 4739 4740 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 4741 + Integer.toHexString(match)); 4742 4743 match &= IntentFilter.MATCH_CATEGORY_MASK; 4744 final int M = prefs.size(); 4745 for (int i=0; i<M; i++) { 4746 final PreferredActivity pa = prefs.get(i); 4747 if (DEBUG_PREFERRED || debug) { 4748 Slog.v(TAG, "Checking PreferredActivity ds=" 4749 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 4750 + "\n component=" + pa.mPref.mComponent); 4751 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4752 } 4753 if (pa.mPref.mMatch != match) { 4754 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 4755 + Integer.toHexString(pa.mPref.mMatch)); 4756 continue; 4757 } 4758 // If it's not an "always" type preferred activity and that's what we're 4759 // looking for, skip it. 4760 if (always && !pa.mPref.mAlways) { 4761 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 4762 continue; 4763 } 4764 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 4765 flags | MATCH_DISABLED_COMPONENTS, userId); 4766 if (DEBUG_PREFERRED || debug) { 4767 Slog.v(TAG, "Found preferred activity:"); 4768 if (ai != null) { 4769 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4770 } else { 4771 Slog.v(TAG, " null"); 4772 } 4773 } 4774 if (ai == null) { 4775 // This previously registered preferred activity 4776 // component is no longer known. Most likely an update 4777 // to the app was installed and in the new version this 4778 // component no longer exists. Clean it up by removing 4779 // it from the preferred activities list, and skip it. 4780 Slog.w(TAG, "Removing dangling preferred activity: " 4781 + pa.mPref.mComponent); 4782 pir.removeFilter(pa); 4783 changed = true; 4784 continue; 4785 } 4786 for (int j=0; j<N; j++) { 4787 final ResolveInfo ri = query.get(j); 4788 if (!ri.activityInfo.applicationInfo.packageName 4789 .equals(ai.applicationInfo.packageName)) { 4790 continue; 4791 } 4792 if (!ri.activityInfo.name.equals(ai.name)) { 4793 continue; 4794 } 4795 4796 if (removeMatches) { 4797 pir.removeFilter(pa); 4798 changed = true; 4799 if (DEBUG_PREFERRED) { 4800 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 4801 } 4802 break; 4803 } 4804 4805 // Okay we found a previously set preferred or last chosen app. 4806 // If the result set is different from when this 4807 // was created, we need to clear it and re-ask the 4808 // user their preference, if we're looking for an "always" type entry. 4809 if (always && !pa.mPref.sameSet(query)) { 4810 Slog.i(TAG, "Result set changed, dropping preferred activity for " 4811 + intent + " type " + resolvedType); 4812 if (DEBUG_PREFERRED) { 4813 Slog.v(TAG, "Removing preferred activity since set changed " 4814 + pa.mPref.mComponent); 4815 } 4816 pir.removeFilter(pa); 4817 // Re-add the filter as a "last chosen" entry (!always) 4818 PreferredActivity lastChosen = new PreferredActivity( 4819 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 4820 pir.addFilter(lastChosen); 4821 changed = true; 4822 return null; 4823 } 4824 4825 // Yay! Either the set matched or we're looking for the last chosen 4826 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 4827 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4828 return ri; 4829 } 4830 } 4831 } finally { 4832 if (changed) { 4833 if (DEBUG_PREFERRED) { 4834 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 4835 } 4836 scheduleWritePackageRestrictionsLocked(userId); 4837 } 4838 } 4839 } 4840 } 4841 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 4842 return null; 4843 } 4844 4845 /* 4846 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 4847 */ 4848 @Override 4849 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 4850 int targetUserId) { 4851 mContext.enforceCallingOrSelfPermission( 4852 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 4853 List<CrossProfileIntentFilter> matches = 4854 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 4855 if (matches != null) { 4856 int size = matches.size(); 4857 for (int i = 0; i < size; i++) { 4858 if (matches.get(i).getTargetUserId() == targetUserId) return true; 4859 } 4860 } 4861 if (hasWebURI(intent)) { 4862 // cross-profile app linking works only towards the parent. 4863 final UserInfo parent = getProfileParent(sourceUserId); 4864 synchronized(mPackages) { 4865 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 4866 intent, resolvedType, 0, sourceUserId, parent.id); 4867 return xpDomainInfo != null; 4868 } 4869 } 4870 return false; 4871 } 4872 4873 private UserInfo getProfileParent(int userId) { 4874 final long identity = Binder.clearCallingIdentity(); 4875 try { 4876 return sUserManager.getProfileParent(userId); 4877 } finally { 4878 Binder.restoreCallingIdentity(identity); 4879 } 4880 } 4881 4882 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 4883 String resolvedType, int userId) { 4884 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 4885 if (resolver != null) { 4886 return resolver.queryIntent(intent, resolvedType, false, userId); 4887 } 4888 return null; 4889 } 4890 4891 @Override 4892 public List<ResolveInfo> queryIntentActivities(Intent intent, 4893 String resolvedType, int flags, int userId) { 4894 if (!sUserManager.exists(userId)) return Collections.emptyList(); 4895 flags = updateFlagsForResolve(flags, userId, intent); 4896 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities"); 4897 ComponentName comp = intent.getComponent(); 4898 if (comp == null) { 4899 if (intent.getSelector() != null) { 4900 intent = intent.getSelector(); 4901 comp = intent.getComponent(); 4902 } 4903 } 4904 4905 if (comp != null) { 4906 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 4907 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 4908 if (ai != null) { 4909 final ResolveInfo ri = new ResolveInfo(); 4910 ri.activityInfo = ai; 4911 list.add(ri); 4912 } 4913 return list; 4914 } 4915 4916 // reader 4917 synchronized (mPackages) { 4918 final String pkgName = intent.getPackage(); 4919 if (pkgName == null) { 4920 List<CrossProfileIntentFilter> matchingFilters = 4921 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 4922 // Check for results that need to skip the current profile. 4923 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 4924 resolvedType, flags, userId); 4925 if (xpResolveInfo != null) { 4926 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 4927 result.add(xpResolveInfo); 4928 return filterIfNotSystemUser(result, userId); 4929 } 4930 4931 // Check for results in the current profile. 4932 List<ResolveInfo> result = mActivities.queryIntent( 4933 intent, resolvedType, flags, userId); 4934 result = filterIfNotSystemUser(result, userId); 4935 4936 // Check for cross profile results. 4937 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 4938 xpResolveInfo = queryCrossProfileIntents( 4939 matchingFilters, intent, resolvedType, flags, userId, 4940 hasNonNegativePriorityResult); 4941 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 4942 boolean isVisibleToUser = filterIfNotSystemUser( 4943 Collections.singletonList(xpResolveInfo), userId).size() > 0; 4944 if (isVisibleToUser) { 4945 result.add(xpResolveInfo); 4946 Collections.sort(result, mResolvePrioritySorter); 4947 } 4948 } 4949 if (hasWebURI(intent)) { 4950 CrossProfileDomainInfo xpDomainInfo = null; 4951 final UserInfo parent = getProfileParent(userId); 4952 if (parent != null) { 4953 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 4954 flags, userId, parent.id); 4955 } 4956 if (xpDomainInfo != null) { 4957 if (xpResolveInfo != null) { 4958 // If we didn't remove it, the cross-profile ResolveInfo would be twice 4959 // in the result. 4960 result.remove(xpResolveInfo); 4961 } 4962 if (result.size() == 0) { 4963 result.add(xpDomainInfo.resolveInfo); 4964 return result; 4965 } 4966 } else if (result.size() <= 1) { 4967 return result; 4968 } 4969 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 4970 xpDomainInfo, userId); 4971 Collections.sort(result, mResolvePrioritySorter); 4972 } 4973 return result; 4974 } 4975 final PackageParser.Package pkg = mPackages.get(pkgName); 4976 if (pkg != null) { 4977 return filterIfNotSystemUser( 4978 mActivities.queryIntentForPackage( 4979 intent, resolvedType, flags, pkg.activities, userId), 4980 userId); 4981 } 4982 return new ArrayList<ResolveInfo>(); 4983 } 4984 } 4985 4986 private static class CrossProfileDomainInfo { 4987 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 4988 ResolveInfo resolveInfo; 4989 /* Best domain verification status of the activities found in the other profile */ 4990 int bestDomainVerificationStatus; 4991 } 4992 4993 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 4994 String resolvedType, int flags, int sourceUserId, int parentUserId) { 4995 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 4996 sourceUserId)) { 4997 return null; 4998 } 4999 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5000 resolvedType, flags, parentUserId); 5001 5002 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5003 return null; 5004 } 5005 CrossProfileDomainInfo result = null; 5006 int size = resultTargetUser.size(); 5007 for (int i = 0; i < size; i++) { 5008 ResolveInfo riTargetUser = resultTargetUser.get(i); 5009 // Intent filter verification is only for filters that specify a host. So don't return 5010 // those that handle all web uris. 5011 if (riTargetUser.handleAllWebDataURI) { 5012 continue; 5013 } 5014 String packageName = riTargetUser.activityInfo.packageName; 5015 PackageSetting ps = mSettings.mPackages.get(packageName); 5016 if (ps == null) { 5017 continue; 5018 } 5019 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5020 int status = (int)(verificationState >> 32); 5021 if (result == null) { 5022 result = new CrossProfileDomainInfo(); 5023 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5024 sourceUserId, parentUserId); 5025 result.bestDomainVerificationStatus = status; 5026 } else { 5027 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5028 result.bestDomainVerificationStatus); 5029 } 5030 } 5031 // Don't consider matches with status NEVER across profiles. 5032 if (result != null && result.bestDomainVerificationStatus 5033 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5034 return null; 5035 } 5036 return result; 5037 } 5038 5039 /** 5040 * Verification statuses are ordered from the worse to the best, except for 5041 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5042 */ 5043 private int bestDomainVerificationStatus(int status1, int status2) { 5044 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5045 return status2; 5046 } 5047 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5048 return status1; 5049 } 5050 return (int) MathUtils.max(status1, status2); 5051 } 5052 5053 private boolean isUserEnabled(int userId) { 5054 long callingId = Binder.clearCallingIdentity(); 5055 try { 5056 UserInfo userInfo = sUserManager.getUserInfo(userId); 5057 return userInfo != null && userInfo.isEnabled(); 5058 } finally { 5059 Binder.restoreCallingIdentity(callingId); 5060 } 5061 } 5062 5063 /** 5064 * Filter out activities with systemUserOnly flag set, when current user is not System. 5065 * 5066 * @return filtered list 5067 */ 5068 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5069 if (userId == UserHandle.USER_SYSTEM) { 5070 return resolveInfos; 5071 } 5072 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5073 ResolveInfo info = resolveInfos.get(i); 5074 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5075 resolveInfos.remove(i); 5076 } 5077 } 5078 return resolveInfos; 5079 } 5080 5081 /** 5082 * @param resolveInfos list of resolve infos in descending priority order 5083 * @return if the list contains a resolve info with non-negative priority 5084 */ 5085 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5086 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5087 } 5088 5089 private static boolean hasWebURI(Intent intent) { 5090 if (intent.getData() == null) { 5091 return false; 5092 } 5093 final String scheme = intent.getScheme(); 5094 if (TextUtils.isEmpty(scheme)) { 5095 return false; 5096 } 5097 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5098 } 5099 5100 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5101 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5102 int userId) { 5103 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5104 5105 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5106 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5107 candidates.size()); 5108 } 5109 5110 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5111 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5112 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5113 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5114 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5115 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5116 5117 synchronized (mPackages) { 5118 final int count = candidates.size(); 5119 // First, try to use linked apps. Partition the candidates into four lists: 5120 // one for the final results, one for the "do not use ever", one for "undefined status" 5121 // and finally one for "browser app type". 5122 for (int n=0; n<count; n++) { 5123 ResolveInfo info = candidates.get(n); 5124 String packageName = info.activityInfo.packageName; 5125 PackageSetting ps = mSettings.mPackages.get(packageName); 5126 if (ps != null) { 5127 // Add to the special match all list (Browser use case) 5128 if (info.handleAllWebDataURI) { 5129 matchAllList.add(info); 5130 continue; 5131 } 5132 // Try to get the status from User settings first 5133 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5134 int status = (int)(packedStatus >> 32); 5135 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5136 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5137 if (DEBUG_DOMAIN_VERIFICATION) { 5138 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5139 + " : linkgen=" + linkGeneration); 5140 } 5141 // Use link-enabled generation as preferredOrder, i.e. 5142 // prefer newly-enabled over earlier-enabled. 5143 info.preferredOrder = linkGeneration; 5144 alwaysList.add(info); 5145 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5146 if (DEBUG_DOMAIN_VERIFICATION) { 5147 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5148 } 5149 neverList.add(info); 5150 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5151 if (DEBUG_DOMAIN_VERIFICATION) { 5152 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5153 } 5154 alwaysAskList.add(info); 5155 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5156 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5157 if (DEBUG_DOMAIN_VERIFICATION) { 5158 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5159 } 5160 undefinedList.add(info); 5161 } 5162 } 5163 } 5164 5165 // We'll want to include browser possibilities in a few cases 5166 boolean includeBrowser = false; 5167 5168 // First try to add the "always" resolution(s) for the current user, if any 5169 if (alwaysList.size() > 0) { 5170 result.addAll(alwaysList); 5171 } else { 5172 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5173 result.addAll(undefinedList); 5174 // Maybe add one for the other profile. 5175 if (xpDomainInfo != null && ( 5176 xpDomainInfo.bestDomainVerificationStatus 5177 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5178 result.add(xpDomainInfo.resolveInfo); 5179 } 5180 includeBrowser = true; 5181 } 5182 5183 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5184 // If there were 'always' entries their preferred order has been set, so we also 5185 // back that off to make the alternatives equivalent 5186 if (alwaysAskList.size() > 0) { 5187 for (ResolveInfo i : result) { 5188 i.preferredOrder = 0; 5189 } 5190 result.addAll(alwaysAskList); 5191 includeBrowser = true; 5192 } 5193 5194 if (includeBrowser) { 5195 // Also add browsers (all of them or only the default one) 5196 if (DEBUG_DOMAIN_VERIFICATION) { 5197 Slog.v(TAG, " ...including browsers in candidate set"); 5198 } 5199 if ((matchFlags & MATCH_ALL) != 0) { 5200 result.addAll(matchAllList); 5201 } else { 5202 // Browser/generic handling case. If there's a default browser, go straight 5203 // to that (but only if there is no other higher-priority match). 5204 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5205 int maxMatchPrio = 0; 5206 ResolveInfo defaultBrowserMatch = null; 5207 final int numCandidates = matchAllList.size(); 5208 for (int n = 0; n < numCandidates; n++) { 5209 ResolveInfo info = matchAllList.get(n); 5210 // track the highest overall match priority... 5211 if (info.priority > maxMatchPrio) { 5212 maxMatchPrio = info.priority; 5213 } 5214 // ...and the highest-priority default browser match 5215 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5216 if (defaultBrowserMatch == null 5217 || (defaultBrowserMatch.priority < info.priority)) { 5218 if (debug) { 5219 Slog.v(TAG, "Considering default browser match " + info); 5220 } 5221 defaultBrowserMatch = info; 5222 } 5223 } 5224 } 5225 if (defaultBrowserMatch != null 5226 && defaultBrowserMatch.priority >= maxMatchPrio 5227 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5228 { 5229 if (debug) { 5230 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5231 } 5232 result.add(defaultBrowserMatch); 5233 } else { 5234 result.addAll(matchAllList); 5235 } 5236 } 5237 5238 // If there is nothing selected, add all candidates and remove the ones that the user 5239 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5240 if (result.size() == 0) { 5241 result.addAll(candidates); 5242 result.removeAll(neverList); 5243 } 5244 } 5245 } 5246 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5247 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5248 result.size()); 5249 for (ResolveInfo info : result) { 5250 Slog.v(TAG, " + " + info.activityInfo); 5251 } 5252 } 5253 return result; 5254 } 5255 5256 // Returns a packed value as a long: 5257 // 5258 // high 'int'-sized word: link status: undefined/ask/never/always. 5259 // low 'int'-sized word: relative priority among 'always' results. 5260 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5261 long result = ps.getDomainVerificationStatusForUser(userId); 5262 // if none available, get the master status 5263 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5264 if (ps.getIntentFilterVerificationInfo() != null) { 5265 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5266 } 5267 } 5268 return result; 5269 } 5270 5271 private ResolveInfo querySkipCurrentProfileIntents( 5272 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5273 int flags, int sourceUserId) { 5274 if (matchingFilters != null) { 5275 int size = matchingFilters.size(); 5276 for (int i = 0; i < size; i ++) { 5277 CrossProfileIntentFilter filter = matchingFilters.get(i); 5278 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5279 // Checking if there are activities in the target user that can handle the 5280 // intent. 5281 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5282 resolvedType, flags, sourceUserId); 5283 if (resolveInfo != null) { 5284 return resolveInfo; 5285 } 5286 } 5287 } 5288 } 5289 return null; 5290 } 5291 5292 // Return matching ResolveInfo in target user if any. 5293 private ResolveInfo queryCrossProfileIntents( 5294 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5295 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5296 if (matchingFilters != null) { 5297 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5298 // match the same intent. For performance reasons, it is better not to 5299 // run queryIntent twice for the same userId 5300 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5301 int size = matchingFilters.size(); 5302 for (int i = 0; i < size; i++) { 5303 CrossProfileIntentFilter filter = matchingFilters.get(i); 5304 int targetUserId = filter.getTargetUserId(); 5305 boolean skipCurrentProfile = 5306 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5307 boolean skipCurrentProfileIfNoMatchFound = 5308 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5309 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5310 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5311 // Checking if there are activities in the target user that can handle the 5312 // intent. 5313 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5314 resolvedType, flags, sourceUserId); 5315 if (resolveInfo != null) return resolveInfo; 5316 alreadyTriedUserIds.put(targetUserId, true); 5317 } 5318 } 5319 } 5320 return null; 5321 } 5322 5323 /** 5324 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5325 * will forward the intent to the filter's target user. 5326 * Otherwise, returns null. 5327 */ 5328 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5329 String resolvedType, int flags, int sourceUserId) { 5330 int targetUserId = filter.getTargetUserId(); 5331 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5332 resolvedType, flags, targetUserId); 5333 if (resultTargetUser != null && !resultTargetUser.isEmpty() 5334 && isUserEnabled(targetUserId)) { 5335 return createForwardingResolveInfoUnchecked(filter, sourceUserId, targetUserId); 5336 } 5337 return null; 5338 } 5339 5340 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5341 int sourceUserId, int targetUserId) { 5342 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5343 long ident = Binder.clearCallingIdentity(); 5344 boolean targetIsProfile; 5345 try { 5346 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5347 } finally { 5348 Binder.restoreCallingIdentity(ident); 5349 } 5350 String className; 5351 if (targetIsProfile) { 5352 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5353 } else { 5354 className = FORWARD_INTENT_TO_PARENT; 5355 } 5356 ComponentName forwardingActivityComponentName = new ComponentName( 5357 mAndroidApplication.packageName, className); 5358 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5359 sourceUserId); 5360 if (!targetIsProfile) { 5361 forwardingActivityInfo.showUserIcon = targetUserId; 5362 forwardingResolveInfo.noResourceId = true; 5363 } 5364 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5365 forwardingResolveInfo.priority = 0; 5366 forwardingResolveInfo.preferredOrder = 0; 5367 forwardingResolveInfo.match = 0; 5368 forwardingResolveInfo.isDefault = true; 5369 forwardingResolveInfo.filter = filter; 5370 forwardingResolveInfo.targetUserId = targetUserId; 5371 return forwardingResolveInfo; 5372 } 5373 5374 @Override 5375 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5376 Intent[] specifics, String[] specificTypes, Intent intent, 5377 String resolvedType, int flags, int userId) { 5378 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5379 flags = updateFlagsForResolve(flags, userId, intent); 5380 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 5381 false, "query intent activity options"); 5382 final String resultsAction = intent.getAction(); 5383 5384 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 5385 | PackageManager.GET_RESOLVED_FILTER, userId); 5386 5387 if (DEBUG_INTENT_MATCHING) { 5388 Log.v(TAG, "Query " + intent + ": " + results); 5389 } 5390 5391 int specificsPos = 0; 5392 int N; 5393 5394 // todo: note that the algorithm used here is O(N^2). This 5395 // isn't a problem in our current environment, but if we start running 5396 // into situations where we have more than 5 or 10 matches then this 5397 // should probably be changed to something smarter... 5398 5399 // First we go through and resolve each of the specific items 5400 // that were supplied, taking care of removing any corresponding 5401 // duplicate items in the generic resolve list. 5402 if (specifics != null) { 5403 for (int i=0; i<specifics.length; i++) { 5404 final Intent sintent = specifics[i]; 5405 if (sintent == null) { 5406 continue; 5407 } 5408 5409 if (DEBUG_INTENT_MATCHING) { 5410 Log.v(TAG, "Specific #" + i + ": " + sintent); 5411 } 5412 5413 String action = sintent.getAction(); 5414 if (resultsAction != null && resultsAction.equals(action)) { 5415 // If this action was explicitly requested, then don't 5416 // remove things that have it. 5417 action = null; 5418 } 5419 5420 ResolveInfo ri = null; 5421 ActivityInfo ai = null; 5422 5423 ComponentName comp = sintent.getComponent(); 5424 if (comp == null) { 5425 ri = resolveIntent( 5426 sintent, 5427 specificTypes != null ? specificTypes[i] : null, 5428 flags, userId); 5429 if (ri == null) { 5430 continue; 5431 } 5432 if (ri == mResolveInfo) { 5433 // ACK! Must do something better with this. 5434 } 5435 ai = ri.activityInfo; 5436 comp = new ComponentName(ai.applicationInfo.packageName, 5437 ai.name); 5438 } else { 5439 ai = getActivityInfo(comp, flags, userId); 5440 if (ai == null) { 5441 continue; 5442 } 5443 } 5444 5445 // Look for any generic query activities that are duplicates 5446 // of this specific one, and remove them from the results. 5447 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5448 N = results.size(); 5449 int j; 5450 for (j=specificsPos; j<N; j++) { 5451 ResolveInfo sri = results.get(j); 5452 if ((sri.activityInfo.name.equals(comp.getClassName()) 5453 && sri.activityInfo.applicationInfo.packageName.equals( 5454 comp.getPackageName())) 5455 || (action != null && sri.filter.matchAction(action))) { 5456 results.remove(j); 5457 if (DEBUG_INTENT_MATCHING) Log.v( 5458 TAG, "Removing duplicate item from " + j 5459 + " due to specific " + specificsPos); 5460 if (ri == null) { 5461 ri = sri; 5462 } 5463 j--; 5464 N--; 5465 } 5466 } 5467 5468 // Add this specific item to its proper place. 5469 if (ri == null) { 5470 ri = new ResolveInfo(); 5471 ri.activityInfo = ai; 5472 } 5473 results.add(specificsPos, ri); 5474 ri.specificIndex = i; 5475 specificsPos++; 5476 } 5477 } 5478 5479 // Now we go through the remaining generic results and remove any 5480 // duplicate actions that are found here. 5481 N = results.size(); 5482 for (int i=specificsPos; i<N-1; i++) { 5483 final ResolveInfo rii = results.get(i); 5484 if (rii.filter == null) { 5485 continue; 5486 } 5487 5488 // Iterate over all of the actions of this result's intent 5489 // filter... typically this should be just one. 5490 final Iterator<String> it = rii.filter.actionsIterator(); 5491 if (it == null) { 5492 continue; 5493 } 5494 while (it.hasNext()) { 5495 final String action = it.next(); 5496 if (resultsAction != null && resultsAction.equals(action)) { 5497 // If this action was explicitly requested, then don't 5498 // remove things that have it. 5499 continue; 5500 } 5501 for (int j=i+1; j<N; j++) { 5502 final ResolveInfo rij = results.get(j); 5503 if (rij.filter != null && rij.filter.hasAction(action)) { 5504 results.remove(j); 5505 if (DEBUG_INTENT_MATCHING) Log.v( 5506 TAG, "Removing duplicate item from " + j 5507 + " due to action " + action + " at " + i); 5508 j--; 5509 N--; 5510 } 5511 } 5512 } 5513 5514 // If the caller didn't request filter information, drop it now 5515 // so we don't have to marshall/unmarshall it. 5516 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5517 rii.filter = null; 5518 } 5519 } 5520 5521 // Filter out the caller activity if so requested. 5522 if (caller != null) { 5523 N = results.size(); 5524 for (int i=0; i<N; i++) { 5525 ActivityInfo ainfo = results.get(i).activityInfo; 5526 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5527 && caller.getClassName().equals(ainfo.name)) { 5528 results.remove(i); 5529 break; 5530 } 5531 } 5532 } 5533 5534 // If the caller didn't request filter information, 5535 // drop them now so we don't have to 5536 // marshall/unmarshall it. 5537 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5538 N = results.size(); 5539 for (int i=0; i<N; i++) { 5540 results.get(i).filter = null; 5541 } 5542 } 5543 5544 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5545 return results; 5546 } 5547 5548 @Override 5549 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 5550 int userId) { 5551 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5552 flags = updateFlagsForResolve(flags, userId, intent); 5553 ComponentName comp = intent.getComponent(); 5554 if (comp == null) { 5555 if (intent.getSelector() != null) { 5556 intent = intent.getSelector(); 5557 comp = intent.getComponent(); 5558 } 5559 } 5560 if (comp != null) { 5561 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5562 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5563 if (ai != null) { 5564 ResolveInfo ri = new ResolveInfo(); 5565 ri.activityInfo = ai; 5566 list.add(ri); 5567 } 5568 return list; 5569 } 5570 5571 // reader 5572 synchronized (mPackages) { 5573 String pkgName = intent.getPackage(); 5574 if (pkgName == null) { 5575 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5576 } 5577 final PackageParser.Package pkg = mPackages.get(pkgName); 5578 if (pkg != null) { 5579 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5580 userId); 5581 } 5582 return null; 5583 } 5584 } 5585 5586 @Override 5587 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5588 if (!sUserManager.exists(userId)) return null; 5589 flags = updateFlagsForResolve(flags, userId, intent); 5590 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 5591 if (query != null) { 5592 if (query.size() >= 1) { 5593 // If there is more than one service with the same priority, 5594 // just arbitrarily pick the first one. 5595 return query.get(0); 5596 } 5597 } 5598 return null; 5599 } 5600 5601 @Override 5602 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 5603 int userId) { 5604 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5605 flags = updateFlagsForResolve(flags, userId, intent); 5606 ComponentName comp = intent.getComponent(); 5607 if (comp == null) { 5608 if (intent.getSelector() != null) { 5609 intent = intent.getSelector(); 5610 comp = intent.getComponent(); 5611 } 5612 } 5613 if (comp != null) { 5614 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5615 final ServiceInfo si = getServiceInfo(comp, flags, userId); 5616 if (si != null) { 5617 final ResolveInfo ri = new ResolveInfo(); 5618 ri.serviceInfo = si; 5619 list.add(ri); 5620 } 5621 return list; 5622 } 5623 5624 // reader 5625 synchronized (mPackages) { 5626 String pkgName = intent.getPackage(); 5627 if (pkgName == null) { 5628 return mServices.queryIntent(intent, resolvedType, flags, userId); 5629 } 5630 final PackageParser.Package pkg = mPackages.get(pkgName); 5631 if (pkg != null) { 5632 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 5633 userId); 5634 } 5635 return null; 5636 } 5637 } 5638 5639 @Override 5640 public List<ResolveInfo> queryIntentContentProviders( 5641 Intent intent, String resolvedType, int flags, int userId) { 5642 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5643 flags = updateFlagsForResolve(flags, userId, intent); 5644 ComponentName comp = intent.getComponent(); 5645 if (comp == null) { 5646 if (intent.getSelector() != null) { 5647 intent = intent.getSelector(); 5648 comp = intent.getComponent(); 5649 } 5650 } 5651 if (comp != null) { 5652 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5653 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 5654 if (pi != null) { 5655 final ResolveInfo ri = new ResolveInfo(); 5656 ri.providerInfo = pi; 5657 list.add(ri); 5658 } 5659 return list; 5660 } 5661 5662 // reader 5663 synchronized (mPackages) { 5664 String pkgName = intent.getPackage(); 5665 if (pkgName == null) { 5666 return mProviders.queryIntent(intent, resolvedType, flags, userId); 5667 } 5668 final PackageParser.Package pkg = mPackages.get(pkgName); 5669 if (pkg != null) { 5670 return mProviders.queryIntentForPackage( 5671 intent, resolvedType, flags, pkg.providers, userId); 5672 } 5673 return null; 5674 } 5675 } 5676 5677 @Override 5678 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 5679 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5680 flags = updateFlagsForPackage(flags, userId, null); 5681 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5682 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages"); 5683 5684 // writer 5685 synchronized (mPackages) { 5686 ArrayList<PackageInfo> list; 5687 if (listUninstalled) { 5688 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 5689 for (PackageSetting ps : mSettings.mPackages.values()) { 5690 PackageInfo pi; 5691 if (ps.pkg != null) { 5692 pi = generatePackageInfo(ps.pkg, flags, userId); 5693 } else { 5694 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5695 } 5696 if (pi != null) { 5697 list.add(pi); 5698 } 5699 } 5700 } else { 5701 list = new ArrayList<PackageInfo>(mPackages.size()); 5702 for (PackageParser.Package p : mPackages.values()) { 5703 PackageInfo pi = generatePackageInfo(p, flags, userId); 5704 if (pi != null) { 5705 list.add(pi); 5706 } 5707 } 5708 } 5709 5710 return new ParceledListSlice<PackageInfo>(list); 5711 } 5712 } 5713 5714 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 5715 String[] permissions, boolean[] tmp, int flags, int userId) { 5716 int numMatch = 0; 5717 final PermissionsState permissionsState = ps.getPermissionsState(); 5718 for (int i=0; i<permissions.length; i++) { 5719 final String permission = permissions[i]; 5720 if (permissionsState.hasPermission(permission, userId)) { 5721 tmp[i] = true; 5722 numMatch++; 5723 } else { 5724 tmp[i] = false; 5725 } 5726 } 5727 if (numMatch == 0) { 5728 return; 5729 } 5730 PackageInfo pi; 5731 if (ps.pkg != null) { 5732 pi = generatePackageInfo(ps.pkg, flags, userId); 5733 } else { 5734 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5735 } 5736 // The above might return null in cases of uninstalled apps or install-state 5737 // skew across users/profiles. 5738 if (pi != null) { 5739 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 5740 if (numMatch == permissions.length) { 5741 pi.requestedPermissions = permissions; 5742 } else { 5743 pi.requestedPermissions = new String[numMatch]; 5744 numMatch = 0; 5745 for (int i=0; i<permissions.length; i++) { 5746 if (tmp[i]) { 5747 pi.requestedPermissions[numMatch] = permissions[i]; 5748 numMatch++; 5749 } 5750 } 5751 } 5752 } 5753 list.add(pi); 5754 } 5755 } 5756 5757 @Override 5758 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 5759 String[] permissions, int flags, int userId) { 5760 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5761 flags = updateFlagsForPackage(flags, userId, permissions); 5762 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5763 5764 // writer 5765 synchronized (mPackages) { 5766 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 5767 boolean[] tmpBools = new boolean[permissions.length]; 5768 if (listUninstalled) { 5769 for (PackageSetting ps : mSettings.mPackages.values()) { 5770 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 5771 } 5772 } else { 5773 for (PackageParser.Package pkg : mPackages.values()) { 5774 PackageSetting ps = (PackageSetting)pkg.mExtras; 5775 if (ps != null) { 5776 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 5777 userId); 5778 } 5779 } 5780 } 5781 5782 return new ParceledListSlice<PackageInfo>(list); 5783 } 5784 } 5785 5786 @Override 5787 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 5788 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5789 flags = updateFlagsForApplication(flags, userId, null); 5790 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5791 5792 // writer 5793 synchronized (mPackages) { 5794 ArrayList<ApplicationInfo> list; 5795 if (listUninstalled) { 5796 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 5797 for (PackageSetting ps : mSettings.mPackages.values()) { 5798 ApplicationInfo ai; 5799 if (ps.pkg != null) { 5800 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 5801 ps.readUserState(userId), userId); 5802 } else { 5803 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 5804 } 5805 if (ai != null) { 5806 list.add(ai); 5807 } 5808 } 5809 } else { 5810 list = new ArrayList<ApplicationInfo>(mPackages.size()); 5811 for (PackageParser.Package p : mPackages.values()) { 5812 if (p.mExtras != null) { 5813 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5814 ((PackageSetting)p.mExtras).readUserState(userId), userId); 5815 if (ai != null) { 5816 list.add(ai); 5817 } 5818 } 5819 } 5820 } 5821 5822 return new ParceledListSlice<ApplicationInfo>(list); 5823 } 5824 } 5825 5826 @Override 5827 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 5828 if (DISABLE_EPHEMERAL_APPS) { 5829 return null; 5830 } 5831 5832 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 5833 "getEphemeralApplications"); 5834 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5835 "getEphemeralApplications"); 5836 synchronized (mPackages) { 5837 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 5838 .getEphemeralApplicationsLPw(userId); 5839 if (ephemeralApps != null) { 5840 return new ParceledListSlice<>(ephemeralApps); 5841 } 5842 } 5843 return null; 5844 } 5845 5846 @Override 5847 public boolean isEphemeralApplication(String packageName, int userId) { 5848 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5849 "isEphemeral"); 5850 if (DISABLE_EPHEMERAL_APPS) { 5851 return false; 5852 } 5853 5854 if (!isCallerSameApp(packageName)) { 5855 return false; 5856 } 5857 synchronized (mPackages) { 5858 PackageParser.Package pkg = mPackages.get(packageName); 5859 if (pkg != null) { 5860 return pkg.applicationInfo.isEphemeralApp(); 5861 } 5862 } 5863 return false; 5864 } 5865 5866 @Override 5867 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 5868 if (DISABLE_EPHEMERAL_APPS) { 5869 return null; 5870 } 5871 5872 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5873 "getCookie"); 5874 if (!isCallerSameApp(packageName)) { 5875 return null; 5876 } 5877 synchronized (mPackages) { 5878 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 5879 packageName, userId); 5880 } 5881 } 5882 5883 @Override 5884 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 5885 if (DISABLE_EPHEMERAL_APPS) { 5886 return true; 5887 } 5888 5889 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5890 "setCookie"); 5891 if (!isCallerSameApp(packageName)) { 5892 return false; 5893 } 5894 synchronized (mPackages) { 5895 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 5896 packageName, cookie, userId); 5897 } 5898 } 5899 5900 @Override 5901 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 5902 if (DISABLE_EPHEMERAL_APPS) { 5903 return null; 5904 } 5905 5906 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 5907 "getEphemeralApplicationIcon"); 5908 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5909 "getEphemeralApplicationIcon"); 5910 synchronized (mPackages) { 5911 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 5912 packageName, userId); 5913 } 5914 } 5915 5916 private boolean isCallerSameApp(String packageName) { 5917 PackageParser.Package pkg = mPackages.get(packageName); 5918 return pkg != null 5919 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 5920 } 5921 5922 public List<ApplicationInfo> getPersistentApplications(int flags) { 5923 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 5924 5925 // reader 5926 synchronized (mPackages) { 5927 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 5928 final int userId = UserHandle.getCallingUserId(); 5929 while (i.hasNext()) { 5930 final PackageParser.Package p = i.next(); 5931 if (p.applicationInfo != null 5932 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 5933 && (!mSafeMode || isSystemApp(p))) { 5934 PackageSetting ps = mSettings.mPackages.get(p.packageName); 5935 if (ps != null) { 5936 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5937 ps.readUserState(userId), userId); 5938 if (ai != null) { 5939 finalList.add(ai); 5940 } 5941 } 5942 } 5943 } 5944 } 5945 5946 return finalList; 5947 } 5948 5949 @Override 5950 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 5951 if (!sUserManager.exists(userId)) return null; 5952 flags = updateFlagsForComponent(flags, userId, name); 5953 // reader 5954 synchronized (mPackages) { 5955 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 5956 PackageSetting ps = provider != null 5957 ? mSettings.mPackages.get(provider.owner.packageName) 5958 : null; 5959 return ps != null 5960 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 5961 ? PackageParser.generateProviderInfo(provider, flags, 5962 ps.readUserState(userId), userId) 5963 : null; 5964 } 5965 } 5966 5967 /** 5968 * @deprecated 5969 */ 5970 @Deprecated 5971 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 5972 // reader 5973 synchronized (mPackages) { 5974 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 5975 .entrySet().iterator(); 5976 final int userId = UserHandle.getCallingUserId(); 5977 while (i.hasNext()) { 5978 Map.Entry<String, PackageParser.Provider> entry = i.next(); 5979 PackageParser.Provider p = entry.getValue(); 5980 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 5981 5982 if (ps != null && p.syncable 5983 && (!mSafeMode || (p.info.applicationInfo.flags 5984 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 5985 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 5986 ps.readUserState(userId), userId); 5987 if (info != null) { 5988 outNames.add(entry.getKey()); 5989 outInfo.add(info); 5990 } 5991 } 5992 } 5993 } 5994 } 5995 5996 @Override 5997 public ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 5998 int uid, int flags) { 5999 final int userId = processName != null ? UserHandle.getUserId(uid) 6000 : UserHandle.getCallingUserId(); 6001 if (!sUserManager.exists(userId)) return null; 6002 flags = updateFlagsForComponent(flags, userId, processName); 6003 6004 ArrayList<ProviderInfo> finalList = null; 6005 // reader 6006 synchronized (mPackages) { 6007 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6008 while (i.hasNext()) { 6009 final PackageParser.Provider p = i.next(); 6010 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6011 if (ps != null && p.info.authority != null 6012 && (processName == null 6013 || (p.info.processName.equals(processName) 6014 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6015 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6016 if (finalList == null) { 6017 finalList = new ArrayList<ProviderInfo>(3); 6018 } 6019 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6020 ps.readUserState(userId), userId); 6021 if (info != null) { 6022 finalList.add(info); 6023 } 6024 } 6025 } 6026 } 6027 6028 if (finalList != null) { 6029 Collections.sort(finalList, mProviderInitOrderSorter); 6030 return new ParceledListSlice<ProviderInfo>(finalList); 6031 } 6032 6033 return null; 6034 } 6035 6036 @Override 6037 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6038 // reader 6039 synchronized (mPackages) { 6040 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6041 return PackageParser.generateInstrumentationInfo(i, flags); 6042 } 6043 } 6044 6045 @Override 6046 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 6047 int flags) { 6048 ArrayList<InstrumentationInfo> finalList = 6049 new ArrayList<InstrumentationInfo>(); 6050 6051 // reader 6052 synchronized (mPackages) { 6053 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6054 while (i.hasNext()) { 6055 final PackageParser.Instrumentation p = i.next(); 6056 if (targetPackage == null 6057 || targetPackage.equals(p.info.targetPackage)) { 6058 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6059 flags); 6060 if (ii != null) { 6061 finalList.add(ii); 6062 } 6063 } 6064 } 6065 } 6066 6067 return finalList; 6068 } 6069 6070 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6071 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6072 if (overlays == null) { 6073 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6074 return; 6075 } 6076 for (PackageParser.Package opkg : overlays.values()) { 6077 // Not much to do if idmap fails: we already logged the error 6078 // and we certainly don't want to abort installation of pkg simply 6079 // because an overlay didn't fit properly. For these reasons, 6080 // ignore the return value of createIdmapForPackagePairLI. 6081 createIdmapForPackagePairLI(pkg, opkg); 6082 } 6083 } 6084 6085 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6086 PackageParser.Package opkg) { 6087 if (!opkg.mTrustedOverlay) { 6088 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6089 opkg.baseCodePath + ": overlay not trusted"); 6090 return false; 6091 } 6092 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6093 if (overlaySet == null) { 6094 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6095 opkg.baseCodePath + " but target package has no known overlays"); 6096 return false; 6097 } 6098 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6099 // TODO: generate idmap for split APKs 6100 try { 6101 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6102 } catch (InstallerException e) { 6103 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6104 + opkg.baseCodePath); 6105 return false; 6106 } 6107 PackageParser.Package[] overlayArray = 6108 overlaySet.values().toArray(new PackageParser.Package[0]); 6109 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6110 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6111 return p1.mOverlayPriority - p2.mOverlayPriority; 6112 } 6113 }; 6114 Arrays.sort(overlayArray, cmp); 6115 6116 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6117 int i = 0; 6118 for (PackageParser.Package p : overlayArray) { 6119 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6120 } 6121 return true; 6122 } 6123 6124 private void scanDirTracedLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6125 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6126 try { 6127 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6128 } finally { 6129 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6130 } 6131 } 6132 6133 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6134 final File[] files = dir.listFiles(); 6135 if (ArrayUtils.isEmpty(files)) { 6136 Log.d(TAG, "No files in app dir " + dir); 6137 return; 6138 } 6139 6140 if (DEBUG_PACKAGE_SCANNING) { 6141 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6142 + " flags=0x" + Integer.toHexString(parseFlags)); 6143 } 6144 6145 for (File file : files) { 6146 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6147 && !PackageInstallerService.isStageName(file.getName()); 6148 if (!isPackage) { 6149 // Ignore entries which are not packages 6150 continue; 6151 } 6152 try { 6153 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6154 scanFlags, currentTime, null); 6155 } catch (PackageManagerException e) { 6156 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6157 6158 // Delete invalid userdata apps 6159 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6160 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6161 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6162 removeCodePathLI(file); 6163 } 6164 } 6165 } 6166 } 6167 6168 private static File getSettingsProblemFile() { 6169 File dataDir = Environment.getDataDirectory(); 6170 File systemDir = new File(dataDir, "system"); 6171 File fname = new File(systemDir, "uiderrors.txt"); 6172 return fname; 6173 } 6174 6175 static void reportSettingsProblem(int priority, String msg) { 6176 logCriticalInfo(priority, msg); 6177 } 6178 6179 static void logCriticalInfo(int priority, String msg) { 6180 Slog.println(priority, TAG, msg); 6181 EventLogTags.writePmCriticalInfo(msg); 6182 try { 6183 File fname = getSettingsProblemFile(); 6184 FileOutputStream out = new FileOutputStream(fname, true); 6185 PrintWriter pw = new FastPrintWriter(out); 6186 SimpleDateFormat formatter = new SimpleDateFormat(); 6187 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6188 pw.println(dateString + ": " + msg); 6189 pw.close(); 6190 FileUtils.setPermissions( 6191 fname.toString(), 6192 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6193 -1, -1); 6194 } catch (java.io.IOException e) { 6195 } 6196 } 6197 6198 private void collectCertificatesLI(PackageParser pp, PackageSetting ps, 6199 PackageParser.Package pkg, File srcFile, int parseFlags) 6200 throws PackageManagerException { 6201 if (ps != null 6202 && ps.codePath.equals(srcFile) 6203 && ps.timeStamp == srcFile.lastModified() 6204 && !isCompatSignatureUpdateNeeded(pkg) 6205 && !isRecoverSignatureUpdateNeeded(pkg)) { 6206 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6207 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6208 ArraySet<PublicKey> signingKs; 6209 synchronized (mPackages) { 6210 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6211 } 6212 if (ps.signatures.mSignatures != null 6213 && ps.signatures.mSignatures.length != 0 6214 && signingKs != null) { 6215 // Optimization: reuse the existing cached certificates 6216 // if the package appears to be unchanged. 6217 pkg.mSignatures = ps.signatures.mSignatures; 6218 pkg.mSigningKeys = signingKs; 6219 return; 6220 } 6221 6222 Slog.w(TAG, "PackageSetting for " + ps.name 6223 + " is missing signatures. Collecting certs again to recover them."); 6224 } else { 6225 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6226 } 6227 6228 try { 6229 pp.collectCertificates(pkg, parseFlags); 6230 } catch (PackageParserException e) { 6231 throw PackageManagerException.from(e); 6232 } 6233 } 6234 6235 /** 6236 * Traces a package scan. 6237 * @see #scanPackageLI(File, int, int, long, UserHandle) 6238 */ 6239 private PackageParser.Package scanPackageTracedLI(File scanFile, int parseFlags, int scanFlags, 6240 long currentTime, UserHandle user) throws PackageManagerException { 6241 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6242 try { 6243 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6244 } finally { 6245 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6246 } 6247 } 6248 6249 /** 6250 * Scans a package and returns the newly parsed package. 6251 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6252 */ 6253 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6254 long currentTime, UserHandle user) throws PackageManagerException { 6255 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6256 parseFlags |= mDefParseFlags; 6257 PackageParser pp = new PackageParser(); 6258 pp.setSeparateProcesses(mSeparateProcesses); 6259 pp.setOnlyCoreApps(mOnlyCore); 6260 pp.setDisplayMetrics(mMetrics); 6261 6262 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6263 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6264 } 6265 6266 final PackageParser.Package pkg; 6267 try { 6268 pkg = pp.parsePackage(scanFile, parseFlags); 6269 } catch (PackageParserException e) { 6270 throw PackageManagerException.from(e); 6271 } 6272 6273 PackageSetting ps = null; 6274 PackageSetting updatedPkg; 6275 // reader 6276 synchronized (mPackages) { 6277 // Look to see if we already know about this package. 6278 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6279 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6280 // This package has been renamed to its original name. Let's 6281 // use that. 6282 ps = mSettings.peekPackageLPr(oldName); 6283 } 6284 // If there was no original package, see one for the real package name. 6285 if (ps == null) { 6286 ps = mSettings.peekPackageLPr(pkg.packageName); 6287 } 6288 // Check to see if this package could be hiding/updating a system 6289 // package. Must look for it either under the original or real 6290 // package name depending on our state. 6291 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6292 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6293 } 6294 boolean updatedPkgBetter = false; 6295 // First check if this is a system package that may involve an update 6296 if (updatedPkg != null && (parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6297 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6298 // it needs to drop FLAG_PRIVILEGED. 6299 if (locationIsPrivileged(scanFile)) { 6300 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6301 } else { 6302 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6303 } 6304 6305 if (ps != null && !ps.codePath.equals(scanFile)) { 6306 // The path has changed from what was last scanned... check the 6307 // version of the new path against what we have stored to determine 6308 // what to do. 6309 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6310 if (pkg.mVersionCode <= ps.versionCode) { 6311 // The system package has been updated and the code path does not match 6312 // Ignore entry. Skip it. 6313 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6314 + " ignored: updated version " + ps.versionCode 6315 + " better than this " + pkg.mVersionCode); 6316 if (!updatedPkg.codePath.equals(scanFile)) { 6317 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6318 + ps.name + " changing from " + updatedPkg.codePathString 6319 + " to " + scanFile); 6320 updatedPkg.codePath = scanFile; 6321 updatedPkg.codePathString = scanFile.toString(); 6322 updatedPkg.resourcePath = scanFile; 6323 updatedPkg.resourcePathString = scanFile.toString(); 6324 } 6325 updatedPkg.pkg = pkg; 6326 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6327 "Package " + ps.name + " at " + scanFile 6328 + " ignored: updated version " + ps.versionCode 6329 + " better than this " + pkg.mVersionCode); 6330 } else { 6331 // The current app on the system partition is better than 6332 // what we have updated to on the data partition; switch 6333 // back to the system partition version. 6334 // At this point, its safely assumed that package installation for 6335 // apps in system partition will go through. If not there won't be a working 6336 // version of the app 6337 // writer 6338 synchronized (mPackages) { 6339 // Just remove the loaded entries from package lists. 6340 mPackages.remove(ps.name); 6341 } 6342 6343 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6344 + " reverting from " + ps.codePathString 6345 + ": new version " + pkg.mVersionCode 6346 + " better than installed " + ps.versionCode); 6347 6348 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6349 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6350 synchronized (mInstallLock) { 6351 args.cleanUpResourcesLI(); 6352 } 6353 synchronized (mPackages) { 6354 mSettings.enableSystemPackageLPw(ps.name); 6355 } 6356 updatedPkgBetter = true; 6357 } 6358 } 6359 } 6360 6361 if (updatedPkg != null) { 6362 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6363 // initially 6364 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 6365 6366 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6367 // flag set initially 6368 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6369 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6370 } 6371 } 6372 6373 // Verify certificates against what was last scanned 6374 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 6375 6376 /* 6377 * A new system app appeared, but we already had a non-system one of the 6378 * same name installed earlier. 6379 */ 6380 boolean shouldHideSystemApp = false; 6381 if (updatedPkg == null && ps != null 6382 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6383 /* 6384 * Check to make sure the signatures match first. If they don't, 6385 * wipe the installed application and its data. 6386 */ 6387 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6388 != PackageManager.SIGNATURE_MATCH) { 6389 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6390 + " signatures don't match existing userdata copy; removing"); 6391 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 6392 ps = null; 6393 } else { 6394 /* 6395 * If the newly-added system app is an older version than the 6396 * already installed version, hide it. It will be scanned later 6397 * and re-added like an update. 6398 */ 6399 if (pkg.mVersionCode <= ps.versionCode) { 6400 shouldHideSystemApp = true; 6401 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6402 + " but new version " + pkg.mVersionCode + " better than installed " 6403 + ps.versionCode + "; hiding system"); 6404 } else { 6405 /* 6406 * The newly found system app is a newer version that the 6407 * one previously installed. Simply remove the 6408 * already-installed application and replace it with our own 6409 * while keeping the application data. 6410 */ 6411 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6412 + " reverting from " + ps.codePathString + ": new version " 6413 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6414 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6415 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6416 synchronized (mInstallLock) { 6417 args.cleanUpResourcesLI(); 6418 } 6419 } 6420 } 6421 } 6422 6423 // The apk is forward locked (not public) if its code and resources 6424 // are kept in different files. (except for app in either system or 6425 // vendor path). 6426 // TODO grab this value from PackageSettings 6427 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6428 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6429 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 6430 } 6431 } 6432 6433 // TODO: extend to support forward-locked splits 6434 String resourcePath = null; 6435 String baseResourcePath = null; 6436 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 6437 if (ps != null && ps.resourcePathString != null) { 6438 resourcePath = ps.resourcePathString; 6439 baseResourcePath = ps.resourcePathString; 6440 } else { 6441 // Should not happen at all. Just log an error. 6442 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 6443 } 6444 } else { 6445 resourcePath = pkg.codePath; 6446 baseResourcePath = pkg.baseCodePath; 6447 } 6448 6449 // Set application objects path explicitly. 6450 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 6451 pkg.applicationInfo.setCodePath(pkg.codePath); 6452 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 6453 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 6454 pkg.applicationInfo.setResourcePath(resourcePath); 6455 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 6456 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 6457 6458 // Note that we invoke the following method only if we are about to unpack an application 6459 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 6460 | SCAN_UPDATE_SIGNATURE, currentTime, user); 6461 6462 /* 6463 * If the system app should be overridden by a previously installed 6464 * data, hide the system app now and let the /data/app scan pick it up 6465 * again. 6466 */ 6467 if (shouldHideSystemApp) { 6468 synchronized (mPackages) { 6469 mSettings.disableSystemPackageLPw(pkg.packageName); 6470 } 6471 } 6472 6473 return scannedPkg; 6474 } 6475 6476 private static String fixProcessName(String defProcessName, 6477 String processName, int uid) { 6478 if (processName == null) { 6479 return defProcessName; 6480 } 6481 return processName; 6482 } 6483 6484 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 6485 throws PackageManagerException { 6486 if (pkgSetting.signatures.mSignatures != null) { 6487 // Already existing package. Make sure signatures match 6488 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 6489 == PackageManager.SIGNATURE_MATCH; 6490 if (!match) { 6491 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 6492 == PackageManager.SIGNATURE_MATCH; 6493 } 6494 if (!match) { 6495 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 6496 == PackageManager.SIGNATURE_MATCH; 6497 } 6498 if (!match) { 6499 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 6500 + pkg.packageName + " signatures do not match the " 6501 + "previously installed version; ignoring!"); 6502 } 6503 } 6504 6505 // Check for shared user signatures 6506 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 6507 // Already existing package. Make sure signatures match 6508 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 6509 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 6510 if (!match) { 6511 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 6512 == PackageManager.SIGNATURE_MATCH; 6513 } 6514 if (!match) { 6515 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 6516 == PackageManager.SIGNATURE_MATCH; 6517 } 6518 if (!match) { 6519 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 6520 "Package " + pkg.packageName 6521 + " has no signatures that match those in shared user " 6522 + pkgSetting.sharedUser.name + "; ignoring!"); 6523 } 6524 } 6525 } 6526 6527 /** 6528 * Enforces that only the system UID or root's UID can call a method exposed 6529 * via Binder. 6530 * 6531 * @param message used as message if SecurityException is thrown 6532 * @throws SecurityException if the caller is not system or root 6533 */ 6534 private static final void enforceSystemOrRoot(String message) { 6535 final int uid = Binder.getCallingUid(); 6536 if (uid != Process.SYSTEM_UID && uid != 0) { 6537 throw new SecurityException(message); 6538 } 6539 } 6540 6541 @Override 6542 public void performFstrimIfNeeded() { 6543 enforceSystemOrRoot("Only the system can request fstrim"); 6544 6545 // Before everything else, see whether we need to fstrim. 6546 try { 6547 IMountService ms = PackageHelper.getMountService(); 6548 if (ms != null) { 6549 final boolean isUpgrade = isUpgrade(); 6550 boolean doTrim = isUpgrade; 6551 if (doTrim) { 6552 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 6553 } else { 6554 final long interval = android.provider.Settings.Global.getLong( 6555 mContext.getContentResolver(), 6556 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 6557 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 6558 if (interval > 0) { 6559 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 6560 if (timeSinceLast > interval) { 6561 doTrim = true; 6562 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 6563 + "; running immediately"); 6564 } 6565 } 6566 } 6567 if (doTrim) { 6568 if (!isFirstBoot()) { 6569 try { 6570 ActivityManagerNative.getDefault().showBootMessage( 6571 mContext.getResources().getString( 6572 R.string.android_upgrading_fstrim), true); 6573 } catch (RemoteException e) { 6574 } 6575 } 6576 ms.runMaintenance(); 6577 } 6578 } else { 6579 Slog.e(TAG, "Mount service unavailable!"); 6580 } 6581 } catch (RemoteException e) { 6582 // Can't happen; MountService is local 6583 } 6584 } 6585 6586 private ArraySet<String> getPackageNamesForIntent(Intent intent, int userId) { 6587 List<ResolveInfo> ris = null; 6588 try { 6589 ris = AppGlobals.getPackageManager().queryIntentReceivers( 6590 intent, null, 0, userId); 6591 } catch (RemoteException e) { 6592 } 6593 ArraySet<String> pkgNames = new ArraySet<String>(); 6594 if (ris != null) { 6595 for (ResolveInfo ri : ris) { 6596 pkgNames.add(ri.activityInfo.packageName); 6597 } 6598 } 6599 return pkgNames; 6600 } 6601 6602 @Override 6603 public void notifyPackageUse(String packageName) { 6604 synchronized (mPackages) { 6605 PackageParser.Package p = mPackages.get(packageName); 6606 if (p == null) { 6607 return; 6608 } 6609 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 6610 } 6611 } 6612 6613 // TODO: this is not used nor needed. Delete it. 6614 @Override 6615 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 6616 return performDexOptTraced(packageName, instructionSet, false); 6617 } 6618 6619 public boolean performDexOpt(String packageName, String instructionSet, boolean useProfiles) { 6620 return performDexOptTraced(packageName, instructionSet, useProfiles); 6621 } 6622 6623 private boolean performDexOptTraced(String packageName, String instructionSet, 6624 boolean useProfiles) { 6625 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 6626 try { 6627 return performDexOptInternal(packageName, instructionSet, useProfiles); 6628 } finally { 6629 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6630 } 6631 } 6632 6633 private boolean performDexOptInternal(String packageName, String instructionSet, 6634 boolean useProfiles) { 6635 PackageParser.Package p; 6636 final String targetInstructionSet; 6637 synchronized (mPackages) { 6638 p = mPackages.get(packageName); 6639 if (p == null) { 6640 return false; 6641 } 6642 mPackageUsage.write(false); 6643 6644 targetInstructionSet = instructionSet != null ? instructionSet : 6645 getPrimaryInstructionSet(p.applicationInfo); 6646 if (!useProfiles && p.mDexOptPerformed.contains(targetInstructionSet)) { 6647 // Skip only if we do not use profiles since they might trigger a recompilation. 6648 return false; 6649 } 6650 } 6651 long callingId = Binder.clearCallingIdentity(); 6652 try { 6653 synchronized (mInstallLock) { 6654 final String[] instructionSets = new String[] { targetInstructionSet }; 6655 int result = mPackageDexOptimizer.performDexOpt(p, instructionSets, 6656 true /* inclDependencies */, p.volumeUuid, useProfiles); 6657 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 6658 } 6659 } finally { 6660 Binder.restoreCallingIdentity(callingId); 6661 } 6662 } 6663 6664 public ArraySet<String> getOptimizablePackages() { 6665 ArraySet<String> pkgs = new ArraySet<String>(); 6666 synchronized (mPackages) { 6667 for (PackageParser.Package p : mPackages.values()) { 6668 if (PackageDexOptimizer.canOptimizePackage(p)) { 6669 pkgs.add(p.packageName); 6670 } 6671 } 6672 } 6673 return pkgs; 6674 } 6675 6676 public void shutdown() { 6677 mPackageUsage.write(true); 6678 } 6679 6680 @Override 6681 public void forceDexOpt(String packageName) { 6682 enforceSystemOrRoot("forceDexOpt"); 6683 6684 PackageParser.Package pkg; 6685 synchronized (mPackages) { 6686 pkg = mPackages.get(packageName); 6687 if (pkg == null) { 6688 throw new IllegalArgumentException("Unknown package: " + packageName); 6689 } 6690 } 6691 6692 synchronized (mInstallLock) { 6693 final String[] instructionSets = new String[] { 6694 getPrimaryInstructionSet(pkg.applicationInfo) }; 6695 6696 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 6697 6698 // Whoever is calling forceDexOpt wants a fully compiled package. 6699 // Don't use profiles since that may cause compilation to be skipped. 6700 final int res = mPackageDexOptimizer.performDexOpt(pkg, instructionSets, 6701 true /* inclDependencies */, pkg.volumeUuid, false /* useProfiles */); 6702 6703 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6704 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 6705 throw new IllegalStateException("Failed to dexopt: " + res); 6706 } 6707 } 6708 } 6709 6710 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 6711 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 6712 Slog.w(TAG, "Unable to update from " + oldPkg.name 6713 + " to " + newPkg.packageName 6714 + ": old package not in system partition"); 6715 return false; 6716 } else if (mPackages.get(oldPkg.name) != null) { 6717 Slog.w(TAG, "Unable to update from " + oldPkg.name 6718 + " to " + newPkg.packageName 6719 + ": old package still exists"); 6720 return false; 6721 } 6722 return true; 6723 } 6724 6725 private void createDataDirsLI(String volumeUuid, String packageName, int uid, String seinfo) 6726 throws PackageManagerException { 6727 // TODO: triage flags as part of 26466827 6728 final int appId = UserHandle.getAppId(uid); 6729 final int flags = Installer.FLAG_CE_STORAGE | Installer.FLAG_DE_STORAGE; 6730 6731 try { 6732 final int[] users = sUserManager.getUserIds(); 6733 for (int user : users) { 6734 mInstaller.createAppData(volumeUuid, packageName, user, flags, appId, seinfo); 6735 } 6736 } catch (InstallerException e) { 6737 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 6738 "Failed to prepare data directory", e); 6739 } 6740 } 6741 6742 private boolean removeDataDirsLI(String volumeUuid, String packageName) { 6743 // TODO: triage flags as part of 26466827 6744 final int flags = Installer.FLAG_CE_STORAGE | Installer.FLAG_DE_STORAGE; 6745 6746 boolean res = true; 6747 final int[] users = sUserManager.getUserIds(); 6748 for (int user : users) { 6749 try { 6750 mInstaller.destroyAppData(volumeUuid, packageName, user, flags); 6751 } catch (InstallerException e) { 6752 Slog.w(TAG, "Failed to delete data directory", e); 6753 res = false; 6754 } 6755 } 6756 return res; 6757 } 6758 6759 void removeCodePathLI(File codePath) { 6760 if (codePath.isDirectory()) { 6761 try { 6762 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 6763 } catch (InstallerException e) { 6764 Slog.w(TAG, "Failed to remove code path", e); 6765 } 6766 } else { 6767 codePath.delete(); 6768 } 6769 } 6770 6771 private void deleteCodeCacheDirsLI(String volumeUuid, String packageName) { 6772 // TODO: triage flags as part of 26466827 6773 final int flags = Installer.FLAG_CE_STORAGE | Installer.FLAG_DE_STORAGE; 6774 6775 final int[] users = sUserManager.getUserIds(); 6776 for (int user : users) { 6777 try { 6778 mInstaller.clearAppData(volumeUuid, packageName, user, 6779 flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 6780 } catch (InstallerException e) { 6781 Slog.w(TAG, "Failed to delete code cache directory", e); 6782 } 6783 } 6784 } 6785 6786 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 6787 PackageParser.Package changingLib) { 6788 if (file.path != null) { 6789 usesLibraryFiles.add(file.path); 6790 return; 6791 } 6792 PackageParser.Package p = mPackages.get(file.apk); 6793 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 6794 // If we are doing this while in the middle of updating a library apk, 6795 // then we need to make sure to use that new apk for determining the 6796 // dependencies here. (We haven't yet finished committing the new apk 6797 // to the package manager state.) 6798 if (p == null || p.packageName.equals(changingLib.packageName)) { 6799 p = changingLib; 6800 } 6801 } 6802 if (p != null) { 6803 usesLibraryFiles.addAll(p.getAllCodePaths()); 6804 } 6805 } 6806 6807 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 6808 PackageParser.Package changingLib) throws PackageManagerException { 6809 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 6810 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 6811 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 6812 for (int i=0; i<N; i++) { 6813 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 6814 if (file == null) { 6815 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 6816 "Package " + pkg.packageName + " requires unavailable shared library " 6817 + pkg.usesLibraries.get(i) + "; failing!"); 6818 } 6819 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 6820 } 6821 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 6822 for (int i=0; i<N; i++) { 6823 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 6824 if (file == null) { 6825 Slog.w(TAG, "Package " + pkg.packageName 6826 + " desires unavailable shared library " 6827 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 6828 } else { 6829 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 6830 } 6831 } 6832 N = usesLibraryFiles.size(); 6833 if (N > 0) { 6834 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 6835 } else { 6836 pkg.usesLibraryFiles = null; 6837 } 6838 } 6839 } 6840 6841 private static boolean hasString(List<String> list, List<String> which) { 6842 if (list == null) { 6843 return false; 6844 } 6845 for (int i=list.size()-1; i>=0; i--) { 6846 for (int j=which.size()-1; j>=0; j--) { 6847 if (which.get(j).equals(list.get(i))) { 6848 return true; 6849 } 6850 } 6851 } 6852 return false; 6853 } 6854 6855 private void updateAllSharedLibrariesLPw() { 6856 for (PackageParser.Package pkg : mPackages.values()) { 6857 try { 6858 updateSharedLibrariesLPw(pkg, null); 6859 } catch (PackageManagerException e) { 6860 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 6861 } 6862 } 6863 } 6864 6865 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 6866 PackageParser.Package changingPkg) { 6867 ArrayList<PackageParser.Package> res = null; 6868 for (PackageParser.Package pkg : mPackages.values()) { 6869 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 6870 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 6871 if (res == null) { 6872 res = new ArrayList<PackageParser.Package>(); 6873 } 6874 res.add(pkg); 6875 try { 6876 updateSharedLibrariesLPw(pkg, changingPkg); 6877 } catch (PackageManagerException e) { 6878 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 6879 } 6880 } 6881 } 6882 return res; 6883 } 6884 6885 /** 6886 * Derive the value of the {@code cpuAbiOverride} based on the provided 6887 * value and an optional stored value from the package settings. 6888 */ 6889 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 6890 String cpuAbiOverride = null; 6891 6892 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 6893 cpuAbiOverride = null; 6894 } else if (abiOverride != null) { 6895 cpuAbiOverride = abiOverride; 6896 } else if (settings != null) { 6897 cpuAbiOverride = settings.cpuAbiOverrideString; 6898 } 6899 6900 return cpuAbiOverride; 6901 } 6902 6903 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, int parseFlags, 6904 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6905 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6906 try { 6907 return scanPackageLI(pkg, parseFlags, scanFlags, currentTime, user); 6908 } finally { 6909 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6910 } 6911 } 6912 6913 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 6914 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6915 boolean success = false; 6916 try { 6917 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 6918 currentTime, user); 6919 success = true; 6920 return res; 6921 } finally { 6922 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 6923 removeDataDirsLI(pkg.volumeUuid, pkg.packageName); 6924 } 6925 } 6926 } 6927 6928 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 6929 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6930 final File scanFile = new File(pkg.codePath); 6931 if (pkg.applicationInfo.getCodePath() == null || 6932 pkg.applicationInfo.getResourcePath() == null) { 6933 // Bail out. The resource and code paths haven't been set. 6934 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 6935 "Code and resource paths haven't been set correctly"); 6936 } 6937 6938 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 6939 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 6940 } else { 6941 // Only allow system apps to be flagged as core apps. 6942 pkg.coreApp = false; 6943 } 6944 6945 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 6946 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6947 } 6948 6949 if (mCustomResolverComponentName != null && 6950 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 6951 setUpCustomResolverActivity(pkg); 6952 } 6953 6954 if (pkg.packageName.equals("android")) { 6955 synchronized (mPackages) { 6956 if (mAndroidApplication != null) { 6957 Slog.w(TAG, "*************************************************"); 6958 Slog.w(TAG, "Core android package being redefined. Skipping."); 6959 Slog.w(TAG, " file=" + scanFile); 6960 Slog.w(TAG, "*************************************************"); 6961 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6962 "Core android package being redefined. Skipping."); 6963 } 6964 6965 // Set up information for our fall-back user intent resolution activity. 6966 mPlatformPackage = pkg; 6967 pkg.mVersionCode = mSdkVersion; 6968 mAndroidApplication = pkg.applicationInfo; 6969 6970 if (!mResolverReplaced) { 6971 mResolveActivity.applicationInfo = mAndroidApplication; 6972 mResolveActivity.name = ResolverActivity.class.getName(); 6973 mResolveActivity.packageName = mAndroidApplication.packageName; 6974 mResolveActivity.processName = "system:ui"; 6975 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6976 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 6977 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 6978 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 6979 mResolveActivity.exported = true; 6980 mResolveActivity.enabled = true; 6981 mResolveInfo.activityInfo = mResolveActivity; 6982 mResolveInfo.priority = 0; 6983 mResolveInfo.preferredOrder = 0; 6984 mResolveInfo.match = 0; 6985 mResolveComponentName = new ComponentName( 6986 mAndroidApplication.packageName, mResolveActivity.name); 6987 } 6988 } 6989 } 6990 6991 if (DEBUG_PACKAGE_SCANNING) { 6992 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6993 Log.d(TAG, "Scanning package " + pkg.packageName); 6994 } 6995 6996 if (mPackages.containsKey(pkg.packageName) 6997 || mSharedLibraries.containsKey(pkg.packageName)) { 6998 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6999 "Application package " + pkg.packageName 7000 + " already installed. Skipping duplicate."); 7001 } 7002 7003 // If we're only installing presumed-existing packages, require that the 7004 // scanned APK is both already known and at the path previously established 7005 // for it. Previously unknown packages we pick up normally, but if we have an 7006 // a priori expectation about this package's install presence, enforce it. 7007 // With a singular exception for new system packages. When an OTA contains 7008 // a new system package, we allow the codepath to change from a system location 7009 // to the user-installed location. If we don't allow this change, any newer, 7010 // user-installed version of the application will be ignored. 7011 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 7012 if (mExpectingBetter.containsKey(pkg.packageName)) { 7013 logCriticalInfo(Log.WARN, 7014 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 7015 } else { 7016 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 7017 if (known != null) { 7018 if (DEBUG_PACKAGE_SCANNING) { 7019 Log.d(TAG, "Examining " + pkg.codePath 7020 + " and requiring known paths " + known.codePathString 7021 + " & " + known.resourcePathString); 7022 } 7023 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 7024 || !pkg.applicationInfo.getResourcePath().equals(known.resourcePathString)) { 7025 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 7026 "Application package " + pkg.packageName 7027 + " found at " + pkg.applicationInfo.getCodePath() 7028 + " but expected at " + known.codePathString + "; ignoring."); 7029 } 7030 } 7031 } 7032 } 7033 7034 // Initialize package source and resource directories 7035 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 7036 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 7037 7038 SharedUserSetting suid = null; 7039 PackageSetting pkgSetting = null; 7040 7041 if (!isSystemApp(pkg)) { 7042 // Only system apps can use these features. 7043 pkg.mOriginalPackages = null; 7044 pkg.mRealPackage = null; 7045 pkg.mAdoptPermissions = null; 7046 } 7047 7048 // writer 7049 synchronized (mPackages) { 7050 if (pkg.mSharedUserId != null) { 7051 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 7052 if (suid == null) { 7053 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7054 "Creating application package " + pkg.packageName 7055 + " for shared user failed"); 7056 } 7057 if (DEBUG_PACKAGE_SCANNING) { 7058 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7059 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 7060 + "): packages=" + suid.packages); 7061 } 7062 } 7063 7064 // Check if we are renaming from an original package name. 7065 PackageSetting origPackage = null; 7066 String realName = null; 7067 if (pkg.mOriginalPackages != null) { 7068 // This package may need to be renamed to a previously 7069 // installed name. Let's check on that... 7070 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 7071 if (pkg.mOriginalPackages.contains(renamed)) { 7072 // This package had originally been installed as the 7073 // original name, and we have already taken care of 7074 // transitioning to the new one. Just update the new 7075 // one to continue using the old name. 7076 realName = pkg.mRealPackage; 7077 if (!pkg.packageName.equals(renamed)) { 7078 // Callers into this function may have already taken 7079 // care of renaming the package; only do it here if 7080 // it is not already done. 7081 pkg.setPackageName(renamed); 7082 } 7083 7084 } else { 7085 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 7086 if ((origPackage = mSettings.peekPackageLPr( 7087 pkg.mOriginalPackages.get(i))) != null) { 7088 // We do have the package already installed under its 7089 // original name... should we use it? 7090 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 7091 // New package is not compatible with original. 7092 origPackage = null; 7093 continue; 7094 } else if (origPackage.sharedUser != null) { 7095 // Make sure uid is compatible between packages. 7096 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 7097 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 7098 + " to " + pkg.packageName + ": old uid " 7099 + origPackage.sharedUser.name 7100 + " differs from " + pkg.mSharedUserId); 7101 origPackage = null; 7102 continue; 7103 } 7104 } else { 7105 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 7106 + pkg.packageName + " to old name " + origPackage.name); 7107 } 7108 break; 7109 } 7110 } 7111 } 7112 } 7113 7114 if (mTransferedPackages.contains(pkg.packageName)) { 7115 Slog.w(TAG, "Package " + pkg.packageName 7116 + " was transferred to another, but its .apk remains"); 7117 } 7118 7119 // Just create the setting, don't add it yet. For already existing packages 7120 // the PkgSetting exists already and doesn't have to be created. 7121 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 7122 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 7123 pkg.applicationInfo.primaryCpuAbi, 7124 pkg.applicationInfo.secondaryCpuAbi, 7125 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 7126 user, false); 7127 if (pkgSetting == null) { 7128 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7129 "Creating application package " + pkg.packageName + " failed"); 7130 } 7131 7132 if (pkgSetting.origPackage != null) { 7133 // If we are first transitioning from an original package, 7134 // fix up the new package's name now. We need to do this after 7135 // looking up the package under its new name, so getPackageLP 7136 // can take care of fiddling things correctly. 7137 pkg.setPackageName(origPackage.name); 7138 7139 // File a report about this. 7140 String msg = "New package " + pkgSetting.realName 7141 + " renamed to replace old package " + pkgSetting.name; 7142 reportSettingsProblem(Log.WARN, msg); 7143 7144 // Make a note of it. 7145 mTransferedPackages.add(origPackage.name); 7146 7147 // No longer need to retain this. 7148 pkgSetting.origPackage = null; 7149 } 7150 7151 if (realName != null) { 7152 // Make a note of it. 7153 mTransferedPackages.add(pkg.packageName); 7154 } 7155 7156 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 7157 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 7158 } 7159 7160 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7161 // Check all shared libraries and map to their actual file path. 7162 // We only do this here for apps not on a system dir, because those 7163 // are the only ones that can fail an install due to this. We 7164 // will take care of the system apps by updating all of their 7165 // library paths after the scan is done. 7166 updateSharedLibrariesLPw(pkg, null); 7167 } 7168 7169 if (mFoundPolicyFile) { 7170 SELinuxMMAC.assignSeinfoValue(pkg); 7171 } 7172 7173 pkg.applicationInfo.uid = pkgSetting.appId; 7174 pkg.mExtras = pkgSetting; 7175 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 7176 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 7177 // We just determined the app is signed correctly, so bring 7178 // over the latest parsed certs. 7179 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7180 } else { 7181 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7182 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7183 "Package " + pkg.packageName + " upgrade keys do not match the " 7184 + "previously installed version"); 7185 } else { 7186 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7187 String msg = "System package " + pkg.packageName 7188 + " signature changed; retaining data."; 7189 reportSettingsProblem(Log.WARN, msg); 7190 } 7191 } 7192 } else { 7193 try { 7194 verifySignaturesLP(pkgSetting, pkg); 7195 // We just determined the app is signed correctly, so bring 7196 // over the latest parsed certs. 7197 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7198 } catch (PackageManagerException e) { 7199 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7200 throw e; 7201 } 7202 // The signature has changed, but this package is in the system 7203 // image... let's recover! 7204 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7205 // However... if this package is part of a shared user, but it 7206 // doesn't match the signature of the shared user, let's fail. 7207 // What this means is that you can't change the signatures 7208 // associated with an overall shared user, which doesn't seem all 7209 // that unreasonable. 7210 if (pkgSetting.sharedUser != null) { 7211 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7212 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 7213 throw new PackageManagerException( 7214 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 7215 "Signature mismatch for shared user: " 7216 + pkgSetting.sharedUser); 7217 } 7218 } 7219 // File a report about this. 7220 String msg = "System package " + pkg.packageName 7221 + " signature changed; retaining data."; 7222 reportSettingsProblem(Log.WARN, msg); 7223 } 7224 } 7225 // Verify that this new package doesn't have any content providers 7226 // that conflict with existing packages. Only do this if the 7227 // package isn't already installed, since we don't want to break 7228 // things that are installed. 7229 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 7230 final int N = pkg.providers.size(); 7231 int i; 7232 for (i=0; i<N; i++) { 7233 PackageParser.Provider p = pkg.providers.get(i); 7234 if (p.info.authority != null) { 7235 String names[] = p.info.authority.split(";"); 7236 for (int j = 0; j < names.length; j++) { 7237 if (mProvidersByAuthority.containsKey(names[j])) { 7238 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7239 final String otherPackageName = 7240 ((other != null && other.getComponentName() != null) ? 7241 other.getComponentName().getPackageName() : "?"); 7242 throw new PackageManagerException( 7243 INSTALL_FAILED_CONFLICTING_PROVIDER, 7244 "Can't install because provider name " + names[j] 7245 + " (in package " + pkg.applicationInfo.packageName 7246 + ") is already used by " + otherPackageName); 7247 } 7248 } 7249 } 7250 } 7251 } 7252 7253 if (pkg.mAdoptPermissions != null) { 7254 // This package wants to adopt ownership of permissions from 7255 // another package. 7256 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 7257 final String origName = pkg.mAdoptPermissions.get(i); 7258 final PackageSetting orig = mSettings.peekPackageLPr(origName); 7259 if (orig != null) { 7260 if (verifyPackageUpdateLPr(orig, pkg)) { 7261 Slog.i(TAG, "Adopting permissions from " + origName + " to " 7262 + pkg.packageName); 7263 mSettings.transferPermissionsLPw(origName, pkg.packageName); 7264 } 7265 } 7266 } 7267 } 7268 } 7269 7270 final String pkgName = pkg.packageName; 7271 7272 final long scanFileTime = scanFile.lastModified(); 7273 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 7274 pkg.applicationInfo.processName = fixProcessName( 7275 pkg.applicationInfo.packageName, 7276 pkg.applicationInfo.processName, 7277 pkg.applicationInfo.uid); 7278 7279 if (pkg != mPlatformPackage) { 7280 // This is a normal package, need to make its data directory. 7281 final File dataPath = Environment.getDataUserCredentialEncryptedPackageDirectory( 7282 pkg.volumeUuid, UserHandle.USER_SYSTEM, pkg.packageName); 7283 7284 // TOOD: switch to ensure various directories 7285 7286 boolean uidError = false; 7287 if (dataPath.exists()) { 7288 int currentUid = 0; 7289 try { 7290 StructStat stat = Os.stat(dataPath.getPath()); 7291 currentUid = stat.st_uid; 7292 } catch (ErrnoException e) { 7293 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 7294 } 7295 7296 // If we have mismatched owners for the data path, we have a problem. 7297 if (currentUid != pkg.applicationInfo.uid) { 7298 boolean recovered = false; 7299 if (((parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0 7300 || (scanFlags & SCAN_BOOTING) != 0)) { 7301 // If this is a system app, we can at least delete its 7302 // current data so the application will still work. 7303 boolean res = removeDataDirsLI(pkg.volumeUuid, pkgName); 7304 if (res) { 7305 // TODO: Kill the processes first 7306 // Old data gone! 7307 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 7308 ? "System package " : "Third party package "; 7309 String msg = prefix + pkg.packageName 7310 + " has changed from uid: " 7311 + currentUid + " to " 7312 + pkg.applicationInfo.uid + "; old data erased"; 7313 reportSettingsProblem(Log.WARN, msg); 7314 recovered = true; 7315 } 7316 if (!recovered) { 7317 mHasSystemUidErrors = true; 7318 } 7319 } else { 7320 // If we allow this install to proceed, we will be broken. 7321 // Abort, abort! 7322 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 7323 "Expected data to be owned by UID " + pkg.applicationInfo.uid 7324 + " but found " + currentUid); 7325 } 7326 if (!recovered) { 7327 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 7328 + pkg.applicationInfo.uid + "/fs_" 7329 + currentUid; 7330 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 7331 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 7332 String msg = "Package " + pkg.packageName 7333 + " has mismatched uid: " 7334 + currentUid + " on disk, " 7335 + pkg.applicationInfo.uid + " in settings"; 7336 // writer 7337 synchronized (mPackages) { 7338 mSettings.mReadMessages.append(msg); 7339 mSettings.mReadMessages.append('\n'); 7340 uidError = true; 7341 if (!pkgSetting.uidError) { 7342 reportSettingsProblem(Log.ERROR, msg); 7343 } 7344 } 7345 } 7346 } 7347 7348 // Ensure that directories are prepared 7349 createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid, 7350 pkg.applicationInfo.seinfo); 7351 7352 if (mShouldRestoreconData) { 7353 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 7354 // TODO: extend this to restorecon over all users 7355 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 7356 // TODO: triage flags as part of 26466827 7357 final int flags = Installer.FLAG_CE_STORAGE | Installer.FLAG_DE_STORAGE; 7358 try { 7359 mInstaller.restoreconAppData(pkg.volumeUuid, pkg.packageName, 7360 UserHandle.USER_SYSTEM, flags, appId, pkg.applicationInfo.seinfo); 7361 } catch (InstallerException e) { 7362 Slog.w(TAG, "Failed to restorecon " + pkg.packageName, e); 7363 } 7364 } 7365 } else { 7366 if (DEBUG_PACKAGE_SCANNING) { 7367 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7368 Log.v(TAG, "Want this data dir: " + dataPath); 7369 } 7370 createDataDirsLI(pkg.volumeUuid, pkgName, pkg.applicationInfo.uid, 7371 pkg.applicationInfo.seinfo); 7372 } 7373 7374 // Get all of our default paths setup 7375 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 7376 7377 pkgSetting.uidError = uidError; 7378 } 7379 7380 final String path = scanFile.getPath(); 7381 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 7382 7383 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 7384 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 7385 7386 // Some system apps still use directory structure for native libraries 7387 // in which case we might end up not detecting abi solely based on apk 7388 // structure. Try to detect abi based on directory structure. 7389 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 7390 pkg.applicationInfo.primaryCpuAbi == null) { 7391 setBundledAppAbisAndRoots(pkg, pkgSetting); 7392 setNativeLibraryPaths(pkg); 7393 } 7394 7395 } else { 7396 if ((scanFlags & SCAN_MOVE) != 0) { 7397 // We haven't run dex-opt for this move (since we've moved the compiled output too) 7398 // but we already have this packages package info in the PackageSetting. We just 7399 // use that and derive the native library path based on the new codepath. 7400 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 7401 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 7402 } 7403 7404 // Set native library paths again. For moves, the path will be updated based on the 7405 // ABIs we've determined above. For non-moves, the path will be updated based on the 7406 // ABIs we determined during compilation, but the path will depend on the final 7407 // package path (after the rename away from the stage path). 7408 setNativeLibraryPaths(pkg); 7409 } 7410 7411 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 7412 final int[] userIds = sUserManager.getUserIds(); 7413 synchronized (mInstallLock) { 7414 // Make sure all user data directories are ready to roll; we're okay 7415 // if they already exist 7416 if (!TextUtils.isEmpty(pkg.volumeUuid)) { 7417 for (int userId : userIds) { 7418 if (userId != UserHandle.USER_SYSTEM) { 7419 // TODO: triage flags as part of 26466827 7420 final int flags = Installer.FLAG_CE_STORAGE | Installer.FLAG_DE_STORAGE; 7421 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 7422 try { 7423 mInstaller.createAppData(pkg.volumeUuid, pkg.packageName, userId, 7424 flags, appId, pkg.applicationInfo.seinfo); 7425 } catch (InstallerException e) { 7426 throw PackageManagerException.from(e); 7427 } 7428 } 7429 } 7430 } 7431 7432 // Create a native library symlink only if we have native libraries 7433 // and if the native libraries are 32 bit libraries. We do not provide 7434 // this symlink for 64 bit libraries. 7435 if (pkg.applicationInfo.primaryCpuAbi != null && 7436 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 7437 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "linkNativeLib"); 7438 try { 7439 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 7440 for (int userId : userIds) { 7441 try { 7442 mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 7443 nativeLibPath, userId); 7444 } catch (InstallerException e) { 7445 throw PackageManagerException.from(e); 7446 } 7447 } 7448 } finally { 7449 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7450 } 7451 } 7452 } 7453 7454 // This is a special case for the "system" package, where the ABI is 7455 // dictated by the zygote configuration (and init.rc). We should keep track 7456 // of this ABI so that we can deal with "normal" applications that run under 7457 // the same UID correctly. 7458 if (mPlatformPackage == pkg) { 7459 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 7460 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 7461 } 7462 7463 // If there's a mismatch between the abi-override in the package setting 7464 // and the abiOverride specified for the install. Warn about this because we 7465 // would've already compiled the app without taking the package setting into 7466 // account. 7467 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 7468 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 7469 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 7470 " for package " + pkg.packageName); 7471 } 7472 } 7473 7474 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7475 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7476 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 7477 7478 // Copy the derived override back to the parsed package, so that we can 7479 // update the package settings accordingly. 7480 pkg.cpuAbiOverride = cpuAbiOverride; 7481 7482 if (DEBUG_ABI_SELECTION) { 7483 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 7484 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 7485 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 7486 } 7487 7488 // Push the derived path down into PackageSettings so we know what to 7489 // clean up at uninstall time. 7490 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 7491 7492 if (DEBUG_ABI_SELECTION) { 7493 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 7494 " primary=" + pkg.applicationInfo.primaryCpuAbi + 7495 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 7496 } 7497 7498 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 7499 // We don't do this here during boot because we can do it all 7500 // at once after scanning all existing packages. 7501 // 7502 // We also do this *before* we perform dexopt on this package, so that 7503 // we can avoid redundant dexopts, and also to make sure we've got the 7504 // code and package path correct. 7505 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 7506 pkg, true /* boot complete */); 7507 } 7508 7509 if (mFactoryTest && pkg.requestedPermissions.contains( 7510 android.Manifest.permission.FACTORY_TEST)) { 7511 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 7512 } 7513 7514 ArrayList<PackageParser.Package> clientLibPkgs = null; 7515 7516 // writer 7517 synchronized (mPackages) { 7518 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 7519 // Only system apps can add new shared libraries. 7520 if (pkg.libraryNames != null) { 7521 for (int i=0; i<pkg.libraryNames.size(); i++) { 7522 String name = pkg.libraryNames.get(i); 7523 boolean allowed = false; 7524 if (pkg.isUpdatedSystemApp()) { 7525 // New library entries can only be added through the 7526 // system image. This is important to get rid of a lot 7527 // of nasty edge cases: for example if we allowed a non- 7528 // system update of the app to add a library, then uninstalling 7529 // the update would make the library go away, and assumptions 7530 // we made such as through app install filtering would now 7531 // have allowed apps on the device which aren't compatible 7532 // with it. Better to just have the restriction here, be 7533 // conservative, and create many fewer cases that can negatively 7534 // impact the user experience. 7535 final PackageSetting sysPs = mSettings 7536 .getDisabledSystemPkgLPr(pkg.packageName); 7537 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 7538 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 7539 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 7540 allowed = true; 7541 break; 7542 } 7543 } 7544 } 7545 } else { 7546 allowed = true; 7547 } 7548 if (allowed) { 7549 if (!mSharedLibraries.containsKey(name)) { 7550 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 7551 } else if (!name.equals(pkg.packageName)) { 7552 Slog.w(TAG, "Package " + pkg.packageName + " library " 7553 + name + " already exists; skipping"); 7554 } 7555 } else { 7556 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 7557 + name + " that is not declared on system image; skipping"); 7558 } 7559 } 7560 if ((scanFlags & SCAN_BOOTING) == 0) { 7561 // If we are not booting, we need to update any applications 7562 // that are clients of our shared library. If we are booting, 7563 // this will all be done once the scan is complete. 7564 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 7565 } 7566 } 7567 } 7568 } 7569 7570 // Request the ActivityManager to kill the process(only for existing packages) 7571 // so that we do not end up in a confused state while the user is still using the older 7572 // version of the application while the new one gets installed. 7573 if ((scanFlags & SCAN_REPLACING) != 0) { 7574 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "killApplication"); 7575 7576 killApplication(pkg.applicationInfo.packageName, 7577 pkg.applicationInfo.uid, "replace pkg"); 7578 7579 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7580 } 7581 7582 // Also need to kill any apps that are dependent on the library. 7583 if (clientLibPkgs != null) { 7584 for (int i=0; i<clientLibPkgs.size(); i++) { 7585 PackageParser.Package clientPkg = clientLibPkgs.get(i); 7586 killApplication(clientPkg.applicationInfo.packageName, 7587 clientPkg.applicationInfo.uid, "update lib"); 7588 } 7589 } 7590 7591 // Make sure we're not adding any bogus keyset info 7592 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7593 ksms.assertScannedPackageValid(pkg); 7594 7595 // writer 7596 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 7597 7598 boolean createIdmapFailed = false; 7599 synchronized (mPackages) { 7600 // We don't expect installation to fail beyond this point 7601 7602 // Add the new setting to mSettings 7603 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 7604 // Add the new setting to mPackages 7605 mPackages.put(pkg.applicationInfo.packageName, pkg); 7606 // Make sure we don't accidentally delete its data. 7607 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 7608 while (iter.hasNext()) { 7609 PackageCleanItem item = iter.next(); 7610 if (pkgName.equals(item.packageName)) { 7611 iter.remove(); 7612 } 7613 } 7614 7615 // Take care of first install / last update times. 7616 if (currentTime != 0) { 7617 if (pkgSetting.firstInstallTime == 0) { 7618 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 7619 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 7620 pkgSetting.lastUpdateTime = currentTime; 7621 } 7622 } else if (pkgSetting.firstInstallTime == 0) { 7623 // We need *something*. Take time time stamp of the file. 7624 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 7625 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 7626 if (scanFileTime != pkgSetting.timeStamp) { 7627 // A package on the system image has changed; consider this 7628 // to be an update. 7629 pkgSetting.lastUpdateTime = scanFileTime; 7630 } 7631 } 7632 7633 // Add the package's KeySets to the global KeySetManagerService 7634 ksms.addScannedPackageLPw(pkg); 7635 7636 int N = pkg.providers.size(); 7637 StringBuilder r = null; 7638 int i; 7639 for (i=0; i<N; i++) { 7640 PackageParser.Provider p = pkg.providers.get(i); 7641 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 7642 p.info.processName, pkg.applicationInfo.uid); 7643 mProviders.addProvider(p); 7644 p.syncable = p.info.isSyncable; 7645 if (p.info.authority != null) { 7646 String names[] = p.info.authority.split(";"); 7647 p.info.authority = null; 7648 for (int j = 0; j < names.length; j++) { 7649 if (j == 1 && p.syncable) { 7650 // We only want the first authority for a provider to possibly be 7651 // syncable, so if we already added this provider using a different 7652 // authority clear the syncable flag. We copy the provider before 7653 // changing it because the mProviders object contains a reference 7654 // to a provider that we don't want to change. 7655 // Only do this for the second authority since the resulting provider 7656 // object can be the same for all future authorities for this provider. 7657 p = new PackageParser.Provider(p); 7658 p.syncable = false; 7659 } 7660 if (!mProvidersByAuthority.containsKey(names[j])) { 7661 mProvidersByAuthority.put(names[j], p); 7662 if (p.info.authority == null) { 7663 p.info.authority = names[j]; 7664 } else { 7665 p.info.authority = p.info.authority + ";" + names[j]; 7666 } 7667 if (DEBUG_PACKAGE_SCANNING) { 7668 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7669 Log.d(TAG, "Registered content provider: " + names[j] 7670 + ", className = " + p.info.name + ", isSyncable = " 7671 + p.info.isSyncable); 7672 } 7673 } else { 7674 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7675 Slog.w(TAG, "Skipping provider name " + names[j] + 7676 " (in package " + pkg.applicationInfo.packageName + 7677 "): name already used by " 7678 + ((other != null && other.getComponentName() != null) 7679 ? other.getComponentName().getPackageName() : "?")); 7680 } 7681 } 7682 } 7683 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7684 if (r == null) { 7685 r = new StringBuilder(256); 7686 } else { 7687 r.append(' '); 7688 } 7689 r.append(p.info.name); 7690 } 7691 } 7692 if (r != null) { 7693 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 7694 } 7695 7696 N = pkg.services.size(); 7697 r = null; 7698 for (i=0; i<N; i++) { 7699 PackageParser.Service s = pkg.services.get(i); 7700 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 7701 s.info.processName, pkg.applicationInfo.uid); 7702 mServices.addService(s); 7703 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7704 if (r == null) { 7705 r = new StringBuilder(256); 7706 } else { 7707 r.append(' '); 7708 } 7709 r.append(s.info.name); 7710 } 7711 } 7712 if (r != null) { 7713 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 7714 } 7715 7716 N = pkg.receivers.size(); 7717 r = null; 7718 for (i=0; i<N; i++) { 7719 PackageParser.Activity a = pkg.receivers.get(i); 7720 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7721 a.info.processName, pkg.applicationInfo.uid); 7722 mReceivers.addActivity(a, "receiver"); 7723 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7724 if (r == null) { 7725 r = new StringBuilder(256); 7726 } else { 7727 r.append(' '); 7728 } 7729 r.append(a.info.name); 7730 } 7731 } 7732 if (r != null) { 7733 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 7734 } 7735 7736 N = pkg.activities.size(); 7737 r = null; 7738 for (i=0; i<N; i++) { 7739 PackageParser.Activity a = pkg.activities.get(i); 7740 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7741 a.info.processName, pkg.applicationInfo.uid); 7742 mActivities.addActivity(a, "activity"); 7743 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7744 if (r == null) { 7745 r = new StringBuilder(256); 7746 } else { 7747 r.append(' '); 7748 } 7749 r.append(a.info.name); 7750 } 7751 } 7752 if (r != null) { 7753 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 7754 } 7755 7756 N = pkg.permissionGroups.size(); 7757 r = null; 7758 for (i=0; i<N; i++) { 7759 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 7760 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 7761 if (cur == null) { 7762 mPermissionGroups.put(pg.info.name, pg); 7763 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7764 if (r == null) { 7765 r = new StringBuilder(256); 7766 } else { 7767 r.append(' '); 7768 } 7769 r.append(pg.info.name); 7770 } 7771 } else { 7772 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 7773 + pg.info.packageName + " ignored: original from " 7774 + cur.info.packageName); 7775 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7776 if (r == null) { 7777 r = new StringBuilder(256); 7778 } else { 7779 r.append(' '); 7780 } 7781 r.append("DUP:"); 7782 r.append(pg.info.name); 7783 } 7784 } 7785 } 7786 if (r != null) { 7787 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 7788 } 7789 7790 N = pkg.permissions.size(); 7791 r = null; 7792 for (i=0; i<N; i++) { 7793 PackageParser.Permission p = pkg.permissions.get(i); 7794 7795 // Assume by default that we did not install this permission into the system. 7796 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 7797 7798 // Now that permission groups have a special meaning, we ignore permission 7799 // groups for legacy apps to prevent unexpected behavior. In particular, 7800 // permissions for one app being granted to someone just becuase they happen 7801 // to be in a group defined by another app (before this had no implications). 7802 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 7803 p.group = mPermissionGroups.get(p.info.group); 7804 // Warn for a permission in an unknown group. 7805 if (p.info.group != null && p.group == null) { 7806 Slog.w(TAG, "Permission " + p.info.name + " from package " 7807 + p.info.packageName + " in an unknown group " + p.info.group); 7808 } 7809 } 7810 7811 ArrayMap<String, BasePermission> permissionMap = 7812 p.tree ? mSettings.mPermissionTrees 7813 : mSettings.mPermissions; 7814 BasePermission bp = permissionMap.get(p.info.name); 7815 7816 // Allow system apps to redefine non-system permissions 7817 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 7818 final boolean currentOwnerIsSystem = (bp.perm != null 7819 && isSystemApp(bp.perm.owner)); 7820 if (isSystemApp(p.owner)) { 7821 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 7822 // It's a built-in permission and no owner, take ownership now 7823 bp.packageSetting = pkgSetting; 7824 bp.perm = p; 7825 bp.uid = pkg.applicationInfo.uid; 7826 bp.sourcePackage = p.info.packageName; 7827 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 7828 } else if (!currentOwnerIsSystem) { 7829 String msg = "New decl " + p.owner + " of permission " 7830 + p.info.name + " is system; overriding " + bp.sourcePackage; 7831 reportSettingsProblem(Log.WARN, msg); 7832 bp = null; 7833 } 7834 } 7835 } 7836 7837 if (bp == null) { 7838 bp = new BasePermission(p.info.name, p.info.packageName, 7839 BasePermission.TYPE_NORMAL); 7840 permissionMap.put(p.info.name, bp); 7841 } 7842 7843 if (bp.perm == null) { 7844 if (bp.sourcePackage == null 7845 || bp.sourcePackage.equals(p.info.packageName)) { 7846 BasePermission tree = findPermissionTreeLP(p.info.name); 7847 if (tree == null 7848 || tree.sourcePackage.equals(p.info.packageName)) { 7849 bp.packageSetting = pkgSetting; 7850 bp.perm = p; 7851 bp.uid = pkg.applicationInfo.uid; 7852 bp.sourcePackage = p.info.packageName; 7853 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 7854 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7855 if (r == null) { 7856 r = new StringBuilder(256); 7857 } else { 7858 r.append(' '); 7859 } 7860 r.append(p.info.name); 7861 } 7862 } else { 7863 Slog.w(TAG, "Permission " + p.info.name + " from package " 7864 + p.info.packageName + " ignored: base tree " 7865 + tree.name + " is from package " 7866 + tree.sourcePackage); 7867 } 7868 } else { 7869 Slog.w(TAG, "Permission " + p.info.name + " from package " 7870 + p.info.packageName + " ignored: original from " 7871 + bp.sourcePackage); 7872 } 7873 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7874 if (r == null) { 7875 r = new StringBuilder(256); 7876 } else { 7877 r.append(' '); 7878 } 7879 r.append("DUP:"); 7880 r.append(p.info.name); 7881 } 7882 if (bp.perm == p) { 7883 bp.protectionLevel = p.info.protectionLevel; 7884 } 7885 } 7886 7887 if (r != null) { 7888 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 7889 } 7890 7891 N = pkg.instrumentation.size(); 7892 r = null; 7893 for (i=0; i<N; i++) { 7894 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 7895 a.info.packageName = pkg.applicationInfo.packageName; 7896 a.info.sourceDir = pkg.applicationInfo.sourceDir; 7897 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 7898 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 7899 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 7900 a.info.dataDir = pkg.applicationInfo.dataDir; 7901 a.info.deviceEncryptedDataDir = pkg.applicationInfo.deviceEncryptedDataDir; 7902 a.info.credentialEncryptedDataDir = pkg.applicationInfo.credentialEncryptedDataDir; 7903 7904 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 7905 // need other information about the application, like the ABI and what not ? 7906 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 7907 mInstrumentation.put(a.getComponentName(), a); 7908 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7909 if (r == null) { 7910 r = new StringBuilder(256); 7911 } else { 7912 r.append(' '); 7913 } 7914 r.append(a.info.name); 7915 } 7916 } 7917 if (r != null) { 7918 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 7919 } 7920 7921 if (pkg.protectedBroadcasts != null) { 7922 N = pkg.protectedBroadcasts.size(); 7923 for (i=0; i<N; i++) { 7924 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 7925 } 7926 } 7927 7928 pkgSetting.setTimeStamp(scanFileTime); 7929 7930 // Create idmap files for pairs of (packages, overlay packages). 7931 // Note: "android", ie framework-res.apk, is handled by native layers. 7932 if (pkg.mOverlayTarget != null) { 7933 // This is an overlay package. 7934 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 7935 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 7936 mOverlays.put(pkg.mOverlayTarget, 7937 new ArrayMap<String, PackageParser.Package>()); 7938 } 7939 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 7940 map.put(pkg.packageName, pkg); 7941 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 7942 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 7943 createIdmapFailed = true; 7944 } 7945 } 7946 } else if (mOverlays.containsKey(pkg.packageName) && 7947 !pkg.packageName.equals("android")) { 7948 // This is a regular package, with one or more known overlay packages. 7949 createIdmapsForPackageLI(pkg); 7950 } 7951 } 7952 7953 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7954 7955 if (createIdmapFailed) { 7956 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7957 "scanPackageLI failed to createIdmap"); 7958 } 7959 return pkg; 7960 } 7961 7962 /** 7963 * Derive the ABI of a non-system package located at {@code scanFile}. This information 7964 * is derived purely on the basis of the contents of {@code scanFile} and 7965 * {@code cpuAbiOverride}. 7966 * 7967 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 7968 */ 7969 public void derivePackageAbi(PackageParser.Package pkg, File scanFile, 7970 String cpuAbiOverride, boolean extractLibs) 7971 throws PackageManagerException { 7972 // TODO: We can probably be smarter about this stuff. For installed apps, 7973 // we can calculate this information at install time once and for all. For 7974 // system apps, we can probably assume that this information doesn't change 7975 // after the first boot scan. As things stand, we do lots of unnecessary work. 7976 7977 // Give ourselves some initial paths; we'll come back for another 7978 // pass once we've determined ABI below. 7979 setNativeLibraryPaths(pkg); 7980 7981 // We would never need to extract libs for forward-locked and external packages, 7982 // since the container service will do it for us. We shouldn't attempt to 7983 // extract libs from system app when it was not updated. 7984 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 7985 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 7986 extractLibs = false; 7987 } 7988 7989 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 7990 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 7991 7992 NativeLibraryHelper.Handle handle = null; 7993 try { 7994 handle = NativeLibraryHelper.Handle.create(pkg); 7995 // TODO(multiArch): This can be null for apps that didn't go through the 7996 // usual installation process. We can calculate it again, like we 7997 // do during install time. 7998 // 7999 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 8000 // unnecessary. 8001 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 8002 8003 // Null out the abis so that they can be recalculated. 8004 pkg.applicationInfo.primaryCpuAbi = null; 8005 pkg.applicationInfo.secondaryCpuAbi = null; 8006 if (isMultiArch(pkg.applicationInfo)) { 8007 // Warn if we've set an abiOverride for multi-lib packages.. 8008 // By definition, we need to copy both 32 and 64 bit libraries for 8009 // such packages. 8010 if (pkg.cpuAbiOverride != null 8011 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 8012 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 8013 } 8014 8015 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 8016 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 8017 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 8018 if (extractLibs) { 8019 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8020 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 8021 useIsaSpecificSubdirs); 8022 } else { 8023 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 8024 } 8025 } 8026 8027 maybeThrowExceptionForMultiArchCopy( 8028 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 8029 8030 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 8031 if (extractLibs) { 8032 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8033 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 8034 useIsaSpecificSubdirs); 8035 } else { 8036 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 8037 } 8038 } 8039 8040 maybeThrowExceptionForMultiArchCopy( 8041 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 8042 8043 if (abi64 >= 0) { 8044 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 8045 } 8046 8047 if (abi32 >= 0) { 8048 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 8049 if (abi64 >= 0) { 8050 pkg.applicationInfo.secondaryCpuAbi = abi; 8051 } else { 8052 pkg.applicationInfo.primaryCpuAbi = abi; 8053 } 8054 } 8055 } else { 8056 String[] abiList = (cpuAbiOverride != null) ? 8057 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 8058 8059 // Enable gross and lame hacks for apps that are built with old 8060 // SDK tools. We must scan their APKs for renderscript bitcode and 8061 // not launch them if it's present. Don't bother checking on devices 8062 // that don't have 64 bit support. 8063 boolean needsRenderScriptOverride = false; 8064 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 8065 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 8066 abiList = Build.SUPPORTED_32_BIT_ABIS; 8067 needsRenderScriptOverride = true; 8068 } 8069 8070 final int copyRet; 8071 if (extractLibs) { 8072 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 8073 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 8074 } else { 8075 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 8076 } 8077 8078 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 8079 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 8080 "Error unpackaging native libs for app, errorCode=" + copyRet); 8081 } 8082 8083 if (copyRet >= 0) { 8084 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 8085 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 8086 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 8087 } else if (needsRenderScriptOverride) { 8088 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 8089 } 8090 } 8091 } catch (IOException ioe) { 8092 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 8093 } finally { 8094 IoUtils.closeQuietly(handle); 8095 } 8096 8097 // Now that we've calculated the ABIs and determined if it's an internal app, 8098 // we will go ahead and populate the nativeLibraryPath. 8099 setNativeLibraryPaths(pkg); 8100 } 8101 8102 /** 8103 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 8104 * i.e, so that all packages can be run inside a single process if required. 8105 * 8106 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 8107 * this function will either try and make the ABI for all packages in {@code packagesForUser} 8108 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 8109 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 8110 * updating a package that belongs to a shared user. 8111 * 8112 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 8113 * adds unnecessary complexity. 8114 */ 8115 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 8116 PackageParser.Package scannedPackage, boolean bootComplete) { 8117 String requiredInstructionSet = null; 8118 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 8119 requiredInstructionSet = VMRuntime.getInstructionSet( 8120 scannedPackage.applicationInfo.primaryCpuAbi); 8121 } 8122 8123 PackageSetting requirer = null; 8124 for (PackageSetting ps : packagesForUser) { 8125 // If packagesForUser contains scannedPackage, we skip it. This will happen 8126 // when scannedPackage is an update of an existing package. Without this check, 8127 // we will never be able to change the ABI of any package belonging to a shared 8128 // user, even if it's compatible with other packages. 8129 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8130 if (ps.primaryCpuAbiString == null) { 8131 continue; 8132 } 8133 8134 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 8135 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 8136 // We have a mismatch between instruction sets (say arm vs arm64) warn about 8137 // this but there's not much we can do. 8138 String errorMessage = "Instruction set mismatch, " 8139 + ((requirer == null) ? "[caller]" : requirer) 8140 + " requires " + requiredInstructionSet + " whereas " + ps 8141 + " requires " + instructionSet; 8142 Slog.w(TAG, errorMessage); 8143 } 8144 8145 if (requiredInstructionSet == null) { 8146 requiredInstructionSet = instructionSet; 8147 requirer = ps; 8148 } 8149 } 8150 } 8151 8152 if (requiredInstructionSet != null) { 8153 String adjustedAbi; 8154 if (requirer != null) { 8155 // requirer != null implies that either scannedPackage was null or that scannedPackage 8156 // did not require an ABI, in which case we have to adjust scannedPackage to match 8157 // the ABI of the set (which is the same as requirer's ABI) 8158 adjustedAbi = requirer.primaryCpuAbiString; 8159 if (scannedPackage != null) { 8160 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 8161 } 8162 } else { 8163 // requirer == null implies that we're updating all ABIs in the set to 8164 // match scannedPackage. 8165 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 8166 } 8167 8168 for (PackageSetting ps : packagesForUser) { 8169 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8170 if (ps.primaryCpuAbiString != null) { 8171 continue; 8172 } 8173 8174 ps.primaryCpuAbiString = adjustedAbi; 8175 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 8176 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 8177 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi); 8178 try { 8179 mInstaller.rmdex(ps.codePathString, 8180 getDexCodeInstructionSet(getPreferredInstructionSet())); 8181 } catch (InstallerException ignored) { 8182 } 8183 } 8184 } 8185 } 8186 } 8187 } 8188 8189 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 8190 synchronized (mPackages) { 8191 mResolverReplaced = true; 8192 // Set up information for custom user intent resolution activity. 8193 mResolveActivity.applicationInfo = pkg.applicationInfo; 8194 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 8195 mResolveActivity.packageName = pkg.applicationInfo.packageName; 8196 mResolveActivity.processName = pkg.applicationInfo.packageName; 8197 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8198 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8199 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8200 mResolveActivity.theme = 0; 8201 mResolveActivity.exported = true; 8202 mResolveActivity.enabled = true; 8203 mResolveInfo.activityInfo = mResolveActivity; 8204 mResolveInfo.priority = 0; 8205 mResolveInfo.preferredOrder = 0; 8206 mResolveInfo.match = 0; 8207 mResolveComponentName = mCustomResolverComponentName; 8208 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 8209 mResolveComponentName); 8210 } 8211 } 8212 8213 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 8214 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 8215 8216 // Set up information for ephemeral installer activity 8217 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 8218 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 8219 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 8220 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 8221 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8222 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8223 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8224 mEphemeralInstallerActivity.theme = 0; 8225 mEphemeralInstallerActivity.exported = true; 8226 mEphemeralInstallerActivity.enabled = true; 8227 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 8228 mEphemeralInstallerInfo.priority = 0; 8229 mEphemeralInstallerInfo.preferredOrder = 0; 8230 mEphemeralInstallerInfo.match = 0; 8231 8232 if (DEBUG_EPHEMERAL) { 8233 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 8234 } 8235 } 8236 8237 private static String calculateBundledApkRoot(final String codePathString) { 8238 final File codePath = new File(codePathString); 8239 final File codeRoot; 8240 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 8241 codeRoot = Environment.getRootDirectory(); 8242 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 8243 codeRoot = Environment.getOemDirectory(); 8244 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 8245 codeRoot = Environment.getVendorDirectory(); 8246 } else { 8247 // Unrecognized code path; take its top real segment as the apk root: 8248 // e.g. /something/app/blah.apk => /something 8249 try { 8250 File f = codePath.getCanonicalFile(); 8251 File parent = f.getParentFile(); // non-null because codePath is a file 8252 File tmp; 8253 while ((tmp = parent.getParentFile()) != null) { 8254 f = parent; 8255 parent = tmp; 8256 } 8257 codeRoot = f; 8258 Slog.w(TAG, "Unrecognized code path " 8259 + codePath + " - using " + codeRoot); 8260 } catch (IOException e) { 8261 // Can't canonicalize the code path -- shenanigans? 8262 Slog.w(TAG, "Can't canonicalize code path " + codePath); 8263 return Environment.getRootDirectory().getPath(); 8264 } 8265 } 8266 return codeRoot.getPath(); 8267 } 8268 8269 /** 8270 * Derive and set the location of native libraries for the given package, 8271 * which varies depending on where and how the package was installed. 8272 */ 8273 private void setNativeLibraryPaths(PackageParser.Package pkg) { 8274 final ApplicationInfo info = pkg.applicationInfo; 8275 final String codePath = pkg.codePath; 8276 final File codeFile = new File(codePath); 8277 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 8278 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 8279 8280 info.nativeLibraryRootDir = null; 8281 info.nativeLibraryRootRequiresIsa = false; 8282 info.nativeLibraryDir = null; 8283 info.secondaryNativeLibraryDir = null; 8284 8285 if (isApkFile(codeFile)) { 8286 // Monolithic install 8287 if (bundledApp) { 8288 // If "/system/lib64/apkname" exists, assume that is the per-package 8289 // native library directory to use; otherwise use "/system/lib/apkname". 8290 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 8291 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 8292 getPrimaryInstructionSet(info)); 8293 8294 // This is a bundled system app so choose the path based on the ABI. 8295 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 8296 // is just the default path. 8297 final String apkName = deriveCodePathName(codePath); 8298 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 8299 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 8300 apkName).getAbsolutePath(); 8301 8302 if (info.secondaryCpuAbi != null) { 8303 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 8304 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 8305 secondaryLibDir, apkName).getAbsolutePath(); 8306 } 8307 } else if (asecApp) { 8308 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 8309 .getAbsolutePath(); 8310 } else { 8311 final String apkName = deriveCodePathName(codePath); 8312 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 8313 .getAbsolutePath(); 8314 } 8315 8316 info.nativeLibraryRootRequiresIsa = false; 8317 info.nativeLibraryDir = info.nativeLibraryRootDir; 8318 } else { 8319 // Cluster install 8320 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 8321 info.nativeLibraryRootRequiresIsa = true; 8322 8323 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 8324 getPrimaryInstructionSet(info)).getAbsolutePath(); 8325 8326 if (info.secondaryCpuAbi != null) { 8327 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 8328 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 8329 } 8330 } 8331 } 8332 8333 /** 8334 * Calculate the abis and roots for a bundled app. These can uniquely 8335 * be determined from the contents of the system partition, i.e whether 8336 * it contains 64 or 32 bit shared libraries etc. We do not validate any 8337 * of this information, and instead assume that the system was built 8338 * sensibly. 8339 */ 8340 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 8341 PackageSetting pkgSetting) { 8342 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 8343 8344 // If "/system/lib64/apkname" exists, assume that is the per-package 8345 // native library directory to use; otherwise use "/system/lib/apkname". 8346 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 8347 setBundledAppAbi(pkg, apkRoot, apkName); 8348 // pkgSetting might be null during rescan following uninstall of updates 8349 // to a bundled app, so accommodate that possibility. The settings in 8350 // that case will be established later from the parsed package. 8351 // 8352 // If the settings aren't null, sync them up with what we've just derived. 8353 // note that apkRoot isn't stored in the package settings. 8354 if (pkgSetting != null) { 8355 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8356 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8357 } 8358 } 8359 8360 /** 8361 * Deduces the ABI of a bundled app and sets the relevant fields on the 8362 * parsed pkg object. 8363 * 8364 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 8365 * under which system libraries are installed. 8366 * @param apkName the name of the installed package. 8367 */ 8368 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 8369 final File codeFile = new File(pkg.codePath); 8370 8371 final boolean has64BitLibs; 8372 final boolean has32BitLibs; 8373 if (isApkFile(codeFile)) { 8374 // Monolithic install 8375 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 8376 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 8377 } else { 8378 // Cluster install 8379 final File rootDir = new File(codeFile, LIB_DIR_NAME); 8380 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 8381 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 8382 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 8383 has64BitLibs = (new File(rootDir, isa)).exists(); 8384 } else { 8385 has64BitLibs = false; 8386 } 8387 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 8388 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 8389 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 8390 has32BitLibs = (new File(rootDir, isa)).exists(); 8391 } else { 8392 has32BitLibs = false; 8393 } 8394 } 8395 8396 if (has64BitLibs && !has32BitLibs) { 8397 // The package has 64 bit libs, but not 32 bit libs. Its primary 8398 // ABI should be 64 bit. We can safely assume here that the bundled 8399 // native libraries correspond to the most preferred ABI in the list. 8400 8401 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8402 pkg.applicationInfo.secondaryCpuAbi = null; 8403 } else if (has32BitLibs && !has64BitLibs) { 8404 // The package has 32 bit libs but not 64 bit libs. Its primary 8405 // ABI should be 32 bit. 8406 8407 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8408 pkg.applicationInfo.secondaryCpuAbi = null; 8409 } else if (has32BitLibs && has64BitLibs) { 8410 // The application has both 64 and 32 bit bundled libraries. We check 8411 // here that the app declares multiArch support, and warn if it doesn't. 8412 // 8413 // We will be lenient here and record both ABIs. The primary will be the 8414 // ABI that's higher on the list, i.e, a device that's configured to prefer 8415 // 64 bit apps will see a 64 bit primary ABI, 8416 8417 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 8418 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 8419 } 8420 8421 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 8422 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8423 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8424 } else { 8425 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8426 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8427 } 8428 } else { 8429 pkg.applicationInfo.primaryCpuAbi = null; 8430 pkg.applicationInfo.secondaryCpuAbi = null; 8431 } 8432 } 8433 8434 private void killApplication(String pkgName, int appId, String reason) { 8435 // Request the ActivityManager to kill the process(only for existing packages) 8436 // so that we do not end up in a confused state while the user is still using the older 8437 // version of the application while the new one gets installed. 8438 IActivityManager am = ActivityManagerNative.getDefault(); 8439 if (am != null) { 8440 try { 8441 am.killApplicationWithAppId(pkgName, appId, reason); 8442 } catch (RemoteException e) { 8443 } 8444 } 8445 } 8446 8447 void removePackageLI(PackageSetting ps, boolean chatty) { 8448 if (DEBUG_INSTALL) { 8449 if (chatty) 8450 Log.d(TAG, "Removing package " + ps.name); 8451 } 8452 8453 // writer 8454 synchronized (mPackages) { 8455 mPackages.remove(ps.name); 8456 final PackageParser.Package pkg = ps.pkg; 8457 if (pkg != null) { 8458 cleanPackageDataStructuresLILPw(pkg, chatty); 8459 } 8460 } 8461 } 8462 8463 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 8464 if (DEBUG_INSTALL) { 8465 if (chatty) 8466 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 8467 } 8468 8469 // writer 8470 synchronized (mPackages) { 8471 mPackages.remove(pkg.applicationInfo.packageName); 8472 cleanPackageDataStructuresLILPw(pkg, chatty); 8473 } 8474 } 8475 8476 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 8477 int N = pkg.providers.size(); 8478 StringBuilder r = null; 8479 int i; 8480 for (i=0; i<N; i++) { 8481 PackageParser.Provider p = pkg.providers.get(i); 8482 mProviders.removeProvider(p); 8483 if (p.info.authority == null) { 8484 8485 /* There was another ContentProvider with this authority when 8486 * this app was installed so this authority is null, 8487 * Ignore it as we don't have to unregister the provider. 8488 */ 8489 continue; 8490 } 8491 String names[] = p.info.authority.split(";"); 8492 for (int j = 0; j < names.length; j++) { 8493 if (mProvidersByAuthority.get(names[j]) == p) { 8494 mProvidersByAuthority.remove(names[j]); 8495 if (DEBUG_REMOVE) { 8496 if (chatty) 8497 Log.d(TAG, "Unregistered content provider: " + names[j] 8498 + ", className = " + p.info.name + ", isSyncable = " 8499 + p.info.isSyncable); 8500 } 8501 } 8502 } 8503 if (DEBUG_REMOVE && chatty) { 8504 if (r == null) { 8505 r = new StringBuilder(256); 8506 } else { 8507 r.append(' '); 8508 } 8509 r.append(p.info.name); 8510 } 8511 } 8512 if (r != null) { 8513 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 8514 } 8515 8516 N = pkg.services.size(); 8517 r = null; 8518 for (i=0; i<N; i++) { 8519 PackageParser.Service s = pkg.services.get(i); 8520 mServices.removeService(s); 8521 if (chatty) { 8522 if (r == null) { 8523 r = new StringBuilder(256); 8524 } else { 8525 r.append(' '); 8526 } 8527 r.append(s.info.name); 8528 } 8529 } 8530 if (r != null) { 8531 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 8532 } 8533 8534 N = pkg.receivers.size(); 8535 r = null; 8536 for (i=0; i<N; i++) { 8537 PackageParser.Activity a = pkg.receivers.get(i); 8538 mReceivers.removeActivity(a, "receiver"); 8539 if (DEBUG_REMOVE && chatty) { 8540 if (r == null) { 8541 r = new StringBuilder(256); 8542 } else { 8543 r.append(' '); 8544 } 8545 r.append(a.info.name); 8546 } 8547 } 8548 if (r != null) { 8549 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 8550 } 8551 8552 N = pkg.activities.size(); 8553 r = null; 8554 for (i=0; i<N; i++) { 8555 PackageParser.Activity a = pkg.activities.get(i); 8556 mActivities.removeActivity(a, "activity"); 8557 if (DEBUG_REMOVE && chatty) { 8558 if (r == null) { 8559 r = new StringBuilder(256); 8560 } else { 8561 r.append(' '); 8562 } 8563 r.append(a.info.name); 8564 } 8565 } 8566 if (r != null) { 8567 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 8568 } 8569 8570 N = pkg.permissions.size(); 8571 r = null; 8572 for (i=0; i<N; i++) { 8573 PackageParser.Permission p = pkg.permissions.get(i); 8574 BasePermission bp = mSettings.mPermissions.get(p.info.name); 8575 if (bp == null) { 8576 bp = mSettings.mPermissionTrees.get(p.info.name); 8577 } 8578 if (bp != null && bp.perm == p) { 8579 bp.perm = null; 8580 if (DEBUG_REMOVE && chatty) { 8581 if (r == null) { 8582 r = new StringBuilder(256); 8583 } else { 8584 r.append(' '); 8585 } 8586 r.append(p.info.name); 8587 } 8588 } 8589 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8590 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 8591 if (appOpPkgs != null) { 8592 appOpPkgs.remove(pkg.packageName); 8593 } 8594 } 8595 } 8596 if (r != null) { 8597 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8598 } 8599 8600 N = pkg.requestedPermissions.size(); 8601 r = null; 8602 for (i=0; i<N; i++) { 8603 String perm = pkg.requestedPermissions.get(i); 8604 BasePermission bp = mSettings.mPermissions.get(perm); 8605 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8606 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 8607 if (appOpPkgs != null) { 8608 appOpPkgs.remove(pkg.packageName); 8609 if (appOpPkgs.isEmpty()) { 8610 mAppOpPermissionPackages.remove(perm); 8611 } 8612 } 8613 } 8614 } 8615 if (r != null) { 8616 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8617 } 8618 8619 N = pkg.instrumentation.size(); 8620 r = null; 8621 for (i=0; i<N; i++) { 8622 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8623 mInstrumentation.remove(a.getComponentName()); 8624 if (DEBUG_REMOVE && chatty) { 8625 if (r == null) { 8626 r = new StringBuilder(256); 8627 } else { 8628 r.append(' '); 8629 } 8630 r.append(a.info.name); 8631 } 8632 } 8633 if (r != null) { 8634 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 8635 } 8636 8637 r = null; 8638 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8639 // Only system apps can hold shared libraries. 8640 if (pkg.libraryNames != null) { 8641 for (i=0; i<pkg.libraryNames.size(); i++) { 8642 String name = pkg.libraryNames.get(i); 8643 SharedLibraryEntry cur = mSharedLibraries.get(name); 8644 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 8645 mSharedLibraries.remove(name); 8646 if (DEBUG_REMOVE && chatty) { 8647 if (r == null) { 8648 r = new StringBuilder(256); 8649 } else { 8650 r.append(' '); 8651 } 8652 r.append(name); 8653 } 8654 } 8655 } 8656 } 8657 } 8658 if (r != null) { 8659 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 8660 } 8661 } 8662 8663 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 8664 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 8665 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 8666 return true; 8667 } 8668 } 8669 return false; 8670 } 8671 8672 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 8673 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 8674 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 8675 8676 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 8677 int flags) { 8678 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 8679 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 8680 } 8681 8682 private void updatePermissionsLPw(String changingPkg, 8683 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 8684 // Make sure there are no dangling permission trees. 8685 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 8686 while (it.hasNext()) { 8687 final BasePermission bp = it.next(); 8688 if (bp.packageSetting == null) { 8689 // We may not yet have parsed the package, so just see if 8690 // we still know about its settings. 8691 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 8692 } 8693 if (bp.packageSetting == null) { 8694 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 8695 + " from package " + bp.sourcePackage); 8696 it.remove(); 8697 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 8698 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 8699 Slog.i(TAG, "Removing old permission tree: " + bp.name 8700 + " from package " + bp.sourcePackage); 8701 flags |= UPDATE_PERMISSIONS_ALL; 8702 it.remove(); 8703 } 8704 } 8705 } 8706 8707 // Make sure all dynamic permissions have been assigned to a package, 8708 // and make sure there are no dangling permissions. 8709 it = mSettings.mPermissions.values().iterator(); 8710 while (it.hasNext()) { 8711 final BasePermission bp = it.next(); 8712 if (bp.type == BasePermission.TYPE_DYNAMIC) { 8713 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 8714 + bp.name + " pkg=" + bp.sourcePackage 8715 + " info=" + bp.pendingInfo); 8716 if (bp.packageSetting == null && bp.pendingInfo != null) { 8717 final BasePermission tree = findPermissionTreeLP(bp.name); 8718 if (tree != null && tree.perm != null) { 8719 bp.packageSetting = tree.packageSetting; 8720 bp.perm = new PackageParser.Permission(tree.perm.owner, 8721 new PermissionInfo(bp.pendingInfo)); 8722 bp.perm.info.packageName = tree.perm.info.packageName; 8723 bp.perm.info.name = bp.name; 8724 bp.uid = tree.uid; 8725 } 8726 } 8727 } 8728 if (bp.packageSetting == null) { 8729 // We may not yet have parsed the package, so just see if 8730 // we still know about its settings. 8731 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 8732 } 8733 if (bp.packageSetting == null) { 8734 Slog.w(TAG, "Removing dangling permission: " + bp.name 8735 + " from package " + bp.sourcePackage); 8736 it.remove(); 8737 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 8738 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 8739 Slog.i(TAG, "Removing old permission: " + bp.name 8740 + " from package " + bp.sourcePackage); 8741 flags |= UPDATE_PERMISSIONS_ALL; 8742 it.remove(); 8743 } 8744 } 8745 } 8746 8747 // Now update the permissions for all packages, in particular 8748 // replace the granted permissions of the system packages. 8749 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 8750 for (PackageParser.Package pkg : mPackages.values()) { 8751 if (pkg != pkgInfo) { 8752 // Only replace for packages on requested volume 8753 final String volumeUuid = getVolumeUuidForPackage(pkg); 8754 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 8755 && Objects.equals(replaceVolumeUuid, volumeUuid); 8756 grantPermissionsLPw(pkg, replace, changingPkg); 8757 } 8758 } 8759 } 8760 8761 if (pkgInfo != null) { 8762 // Only replace for packages on requested volume 8763 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 8764 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 8765 && Objects.equals(replaceVolumeUuid, volumeUuid); 8766 grantPermissionsLPw(pkgInfo, replace, changingPkg); 8767 } 8768 } 8769 8770 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 8771 String packageOfInterest) { 8772 // IMPORTANT: There are two types of permissions: install and runtime. 8773 // Install time permissions are granted when the app is installed to 8774 // all device users and users added in the future. Runtime permissions 8775 // are granted at runtime explicitly to specific users. Normal and signature 8776 // protected permissions are install time permissions. Dangerous permissions 8777 // are install permissions if the app's target SDK is Lollipop MR1 or older, 8778 // otherwise they are runtime permissions. This function does not manage 8779 // runtime permissions except for the case an app targeting Lollipop MR1 8780 // being upgraded to target a newer SDK, in which case dangerous permissions 8781 // are transformed from install time to runtime ones. 8782 8783 final PackageSetting ps = (PackageSetting) pkg.mExtras; 8784 if (ps == null) { 8785 return; 8786 } 8787 8788 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 8789 8790 PermissionsState permissionsState = ps.getPermissionsState(); 8791 PermissionsState origPermissions = permissionsState; 8792 8793 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 8794 8795 boolean runtimePermissionsRevoked = false; 8796 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 8797 8798 boolean changedInstallPermission = false; 8799 8800 if (replace) { 8801 ps.installPermissionsFixed = false; 8802 if (!ps.isSharedUser()) { 8803 origPermissions = new PermissionsState(permissionsState); 8804 permissionsState.reset(); 8805 } else { 8806 // We need to know only about runtime permission changes since the 8807 // calling code always writes the install permissions state but 8808 // the runtime ones are written only if changed. The only cases of 8809 // changed runtime permissions here are promotion of an install to 8810 // runtime and revocation of a runtime from a shared user. 8811 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 8812 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 8813 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 8814 runtimePermissionsRevoked = true; 8815 } 8816 } 8817 } 8818 8819 permissionsState.setGlobalGids(mGlobalGids); 8820 8821 final int N = pkg.requestedPermissions.size(); 8822 for (int i=0; i<N; i++) { 8823 final String name = pkg.requestedPermissions.get(i); 8824 final BasePermission bp = mSettings.mPermissions.get(name); 8825 8826 if (DEBUG_INSTALL) { 8827 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 8828 } 8829 8830 if (bp == null || bp.packageSetting == null) { 8831 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 8832 Slog.w(TAG, "Unknown permission " + name 8833 + " in package " + pkg.packageName); 8834 } 8835 continue; 8836 } 8837 8838 final String perm = bp.name; 8839 boolean allowedSig = false; 8840 int grant = GRANT_DENIED; 8841 8842 // Keep track of app op permissions. 8843 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8844 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 8845 if (pkgs == null) { 8846 pkgs = new ArraySet<>(); 8847 mAppOpPermissionPackages.put(bp.name, pkgs); 8848 } 8849 pkgs.add(pkg.packageName); 8850 } 8851 8852 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 8853 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 8854 >= Build.VERSION_CODES.M; 8855 switch (level) { 8856 case PermissionInfo.PROTECTION_NORMAL: { 8857 // For all apps normal permissions are install time ones. 8858 grant = GRANT_INSTALL; 8859 } break; 8860 8861 case PermissionInfo.PROTECTION_DANGEROUS: { 8862 // If a permission review is required for legacy apps we represent 8863 // their permissions as always granted runtime ones since we need 8864 // to keep the review required permission flag per user while an 8865 // install permission's state is shared across all users. 8866 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 8867 // For legacy apps dangerous permissions are install time ones. 8868 grant = GRANT_INSTALL; 8869 } else if (origPermissions.hasInstallPermission(bp.name)) { 8870 // For legacy apps that became modern, install becomes runtime. 8871 grant = GRANT_UPGRADE; 8872 } else if (mPromoteSystemApps 8873 && isSystemApp(ps) 8874 && mExistingSystemPackages.contains(ps.name)) { 8875 // For legacy system apps, install becomes runtime. 8876 // We cannot check hasInstallPermission() for system apps since those 8877 // permissions were granted implicitly and not persisted pre-M. 8878 grant = GRANT_UPGRADE; 8879 } else { 8880 // For modern apps keep runtime permissions unchanged. 8881 grant = GRANT_RUNTIME; 8882 } 8883 } break; 8884 8885 case PermissionInfo.PROTECTION_SIGNATURE: { 8886 // For all apps signature permissions are install time ones. 8887 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 8888 if (allowedSig) { 8889 grant = GRANT_INSTALL; 8890 } 8891 } break; 8892 } 8893 8894 if (DEBUG_INSTALL) { 8895 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 8896 } 8897 8898 if (grant != GRANT_DENIED) { 8899 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 8900 // If this is an existing, non-system package, then 8901 // we can't add any new permissions to it. 8902 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 8903 // Except... if this is a permission that was added 8904 // to the platform (note: need to only do this when 8905 // updating the platform). 8906 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 8907 grant = GRANT_DENIED; 8908 } 8909 } 8910 } 8911 8912 switch (grant) { 8913 case GRANT_INSTALL: { 8914 // Revoke this as runtime permission to handle the case of 8915 // a runtime permission being downgraded to an install one. Also in permission review mode we keep dangerous permissions for legacy apps 8916 for (int userId : UserManagerService.getInstance().getUserIds()) { 8917 if (origPermissions.getRuntimePermissionState( 8918 bp.name, userId) != null) { 8919 // Revoke the runtime permission and clear the flags. 8920 origPermissions.revokeRuntimePermission(bp, userId); 8921 origPermissions.updatePermissionFlags(bp, userId, 8922 PackageManager.MASK_PERMISSION_FLAGS, 0); 8923 // If we revoked a permission permission, we have to write. 8924 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8925 changedRuntimePermissionUserIds, userId); 8926 } 8927 } 8928 // Grant an install permission. 8929 if (permissionsState.grantInstallPermission(bp) != 8930 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8931 changedInstallPermission = true; 8932 } 8933 } break; 8934 8935 case GRANT_RUNTIME: { 8936 // Grant previously granted runtime permissions. 8937 for (int userId : UserManagerService.getInstance().getUserIds()) { 8938 PermissionState permissionState = origPermissions 8939 .getRuntimePermissionState(bp.name, userId); 8940 int flags = permissionState != null 8941 ? permissionState.getFlags() : 0; 8942 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 8943 if (permissionsState.grantRuntimePermission(bp, userId) == 8944 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8945 // If we cannot put the permission as it was, we have to write. 8946 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8947 changedRuntimePermissionUserIds, userId); 8948 } 8949 // If the app supports runtime permissions no need for a review. 8950 if (Build.PERMISSIONS_REVIEW_REQUIRED 8951 && appSupportsRuntimePermissions 8952 && (flags & PackageManager 8953 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 8954 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 8955 // Since we changed the flags, we have to write. 8956 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8957 changedRuntimePermissionUserIds, userId); 8958 } 8959 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 8960 && !appSupportsRuntimePermissions) { 8961 // For legacy apps that need a permission review, every new 8962 // runtime permission is granted but it is pending a review. 8963 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 8964 permissionsState.grantRuntimePermission(bp, userId); 8965 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 8966 // We changed the permission and flags, hence have to write. 8967 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8968 changedRuntimePermissionUserIds, userId); 8969 } 8970 } 8971 // Propagate the permission flags. 8972 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 8973 } 8974 } break; 8975 8976 case GRANT_UPGRADE: { 8977 // Grant runtime permissions for a previously held install permission. 8978 PermissionState permissionState = origPermissions 8979 .getInstallPermissionState(bp.name); 8980 final int flags = permissionState != null ? permissionState.getFlags() : 0; 8981 8982 if (origPermissions.revokeInstallPermission(bp) 8983 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 8984 // We will be transferring the permission flags, so clear them. 8985 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 8986 PackageManager.MASK_PERMISSION_FLAGS, 0); 8987 changedInstallPermission = true; 8988 } 8989 8990 // If the permission is not to be promoted to runtime we ignore it and 8991 // also its other flags as they are not applicable to install permissions. 8992 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 8993 for (int userId : currentUserIds) { 8994 if (permissionsState.grantRuntimePermission(bp, userId) != 8995 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8996 // Transfer the permission flags. 8997 permissionsState.updatePermissionFlags(bp, userId, 8998 flags, flags); 8999 // If we granted the permission, we have to write. 9000 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 9001 changedRuntimePermissionUserIds, userId); 9002 } 9003 } 9004 } 9005 } break; 9006 9007 default: { 9008 if (packageOfInterest == null 9009 || packageOfInterest.equals(pkg.packageName)) { 9010 Slog.w(TAG, "Not granting permission " + perm 9011 + " to package " + pkg.packageName 9012 + " because it was previously installed without"); 9013 } 9014 } break; 9015 } 9016 } else { 9017 if (permissionsState.revokeInstallPermission(bp) != 9018 PermissionsState.PERMISSION_OPERATION_FAILURE) { 9019 // Also drop the permission flags. 9020 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 9021 PackageManager.MASK_PERMISSION_FLAGS, 0); 9022 changedInstallPermission = true; 9023 Slog.i(TAG, "Un-granting permission " + perm 9024 + " from package " + pkg.packageName 9025 + " (protectionLevel=" + bp.protectionLevel 9026 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9027 + ")"); 9028 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 9029 // Don't print warning for app op permissions, since it is fine for them 9030 // not to be granted, there is a UI for the user to decide. 9031 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 9032 Slog.w(TAG, "Not granting permission " + perm 9033 + " to package " + pkg.packageName 9034 + " (protectionLevel=" + bp.protectionLevel 9035 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 9036 + ")"); 9037 } 9038 } 9039 } 9040 } 9041 9042 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 9043 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 9044 // This is the first that we have heard about this package, so the 9045 // permissions we have now selected are fixed until explicitly 9046 // changed. 9047 ps.installPermissionsFixed = true; 9048 } 9049 9050 // Persist the runtime permissions state for users with changes. If permissions 9051 // were revoked because no app in the shared user declares them we have to 9052 // write synchronously to avoid losing runtime permissions state. 9053 for (int userId : changedRuntimePermissionUserIds) { 9054 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 9055 } 9056 9057 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 9058 } 9059 9060 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 9061 boolean allowed = false; 9062 final int NP = PackageParser.NEW_PERMISSIONS.length; 9063 for (int ip=0; ip<NP; ip++) { 9064 final PackageParser.NewPermissionInfo npi 9065 = PackageParser.NEW_PERMISSIONS[ip]; 9066 if (npi.name.equals(perm) 9067 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 9068 allowed = true; 9069 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 9070 + pkg.packageName); 9071 break; 9072 } 9073 } 9074 return allowed; 9075 } 9076 9077 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 9078 BasePermission bp, PermissionsState origPermissions) { 9079 boolean allowed; 9080 allowed = (compareSignatures( 9081 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 9082 == PackageManager.SIGNATURE_MATCH) 9083 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 9084 == PackageManager.SIGNATURE_MATCH); 9085 if (!allowed && (bp.protectionLevel 9086 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 9087 if (isSystemApp(pkg)) { 9088 // For updated system applications, a system permission 9089 // is granted only if it had been defined by the original application. 9090 if (pkg.isUpdatedSystemApp()) { 9091 final PackageSetting sysPs = mSettings 9092 .getDisabledSystemPkgLPr(pkg.packageName); 9093 if (sysPs.getPermissionsState().hasInstallPermission(perm)) { 9094 // If the original was granted this permission, we take 9095 // that grant decision as read and propagate it to the 9096 // update. 9097 if (sysPs.isPrivileged()) { 9098 allowed = true; 9099 } 9100 } else { 9101 // The system apk may have been updated with an older 9102 // version of the one on the data partition, but which 9103 // granted a new system permission that it didn't have 9104 // before. In this case we do want to allow the app to 9105 // now get the new permission if the ancestral apk is 9106 // privileged to get it. 9107 if (sysPs.pkg != null && sysPs.isPrivileged()) { 9108 for (int j=0; 9109 j<sysPs.pkg.requestedPermissions.size(); j++) { 9110 if (perm.equals( 9111 sysPs.pkg.requestedPermissions.get(j))) { 9112 allowed = true; 9113 break; 9114 } 9115 } 9116 } 9117 } 9118 } else { 9119 allowed = isPrivilegedApp(pkg); 9120 } 9121 } 9122 } 9123 if (!allowed) { 9124 if (!allowed && (bp.protectionLevel 9125 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 9126 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 9127 // If this was a previously normal/dangerous permission that got moved 9128 // to a system permission as part of the runtime permission redesign, then 9129 // we still want to blindly grant it to old apps. 9130 allowed = true; 9131 } 9132 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 9133 && pkg.packageName.equals(mRequiredInstallerPackage)) { 9134 // If this permission is to be granted to the system installer and 9135 // this app is an installer, then it gets the permission. 9136 allowed = true; 9137 } 9138 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 9139 && pkg.packageName.equals(mRequiredVerifierPackage)) { 9140 // If this permission is to be granted to the system verifier and 9141 // this app is a verifier, then it gets the permission. 9142 allowed = true; 9143 } 9144 if (!allowed && (bp.protectionLevel 9145 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 9146 && isSystemApp(pkg)) { 9147 // Any pre-installed system app is allowed to get this permission. 9148 allowed = true; 9149 } 9150 if (!allowed && (bp.protectionLevel 9151 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 9152 // For development permissions, a development permission 9153 // is granted only if it was already granted. 9154 allowed = origPermissions.hasInstallPermission(perm); 9155 } 9156 } 9157 return allowed; 9158 } 9159 9160 final class ActivityIntentResolver 9161 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 9162 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9163 boolean defaultOnly, int userId) { 9164 if (!sUserManager.exists(userId)) return null; 9165 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9166 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9167 } 9168 9169 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9170 int userId) { 9171 if (!sUserManager.exists(userId)) return null; 9172 mFlags = flags; 9173 return super.queryIntent(intent, resolvedType, 9174 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9175 } 9176 9177 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9178 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 9179 if (!sUserManager.exists(userId)) return null; 9180 if (packageActivities == null) { 9181 return null; 9182 } 9183 mFlags = flags; 9184 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9185 final int N = packageActivities.size(); 9186 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 9187 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 9188 9189 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 9190 for (int i = 0; i < N; ++i) { 9191 intentFilters = packageActivities.get(i).intents; 9192 if (intentFilters != null && intentFilters.size() > 0) { 9193 PackageParser.ActivityIntentInfo[] array = 9194 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 9195 intentFilters.toArray(array); 9196 listCut.add(array); 9197 } 9198 } 9199 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9200 } 9201 9202 public final void addActivity(PackageParser.Activity a, String type) { 9203 final boolean systemApp = a.info.applicationInfo.isSystemApp(); 9204 mActivities.put(a.getComponentName(), a); 9205 if (DEBUG_SHOW_INFO) 9206 Log.v( 9207 TAG, " " + type + " " + 9208 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 9209 if (DEBUG_SHOW_INFO) 9210 Log.v(TAG, " Class=" + a.info.name); 9211 final int NI = a.intents.size(); 9212 for (int j=0; j<NI; j++) { 9213 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9214 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 9215 intent.setPriority(0); 9216 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 9217 + a.className + " with priority > 0, forcing to 0"); 9218 } 9219 if (DEBUG_SHOW_INFO) { 9220 Log.v(TAG, " IntentFilter:"); 9221 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9222 } 9223 if (!intent.debugCheck()) { 9224 Log.w(TAG, "==> For Activity " + a.info.name); 9225 } 9226 addFilter(intent); 9227 } 9228 } 9229 9230 public final void removeActivity(PackageParser.Activity a, String type) { 9231 mActivities.remove(a.getComponentName()); 9232 if (DEBUG_SHOW_INFO) { 9233 Log.v(TAG, " " + type + " " 9234 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 9235 : a.info.name) + ":"); 9236 Log.v(TAG, " Class=" + a.info.name); 9237 } 9238 final int NI = a.intents.size(); 9239 for (int j=0; j<NI; j++) { 9240 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9241 if (DEBUG_SHOW_INFO) { 9242 Log.v(TAG, " IntentFilter:"); 9243 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9244 } 9245 removeFilter(intent); 9246 } 9247 } 9248 9249 @Override 9250 protected boolean allowFilterResult( 9251 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 9252 ActivityInfo filterAi = filter.activity.info; 9253 for (int i=dest.size()-1; i>=0; i--) { 9254 ActivityInfo destAi = dest.get(i).activityInfo; 9255 if (destAi.name == filterAi.name 9256 && destAi.packageName == filterAi.packageName) { 9257 return false; 9258 } 9259 } 9260 return true; 9261 } 9262 9263 @Override 9264 protected ActivityIntentInfo[] newArray(int size) { 9265 return new ActivityIntentInfo[size]; 9266 } 9267 9268 @Override 9269 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 9270 if (!sUserManager.exists(userId)) return true; 9271 PackageParser.Package p = filter.activity.owner; 9272 if (p != null) { 9273 PackageSetting ps = (PackageSetting)p.mExtras; 9274 if (ps != null) { 9275 // System apps are never considered stopped for purposes of 9276 // filtering, because there may be no way for the user to 9277 // actually re-launch them. 9278 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 9279 && ps.getStopped(userId); 9280 } 9281 } 9282 return false; 9283 } 9284 9285 @Override 9286 protected boolean isPackageForFilter(String packageName, 9287 PackageParser.ActivityIntentInfo info) { 9288 return packageName.equals(info.activity.owner.packageName); 9289 } 9290 9291 @Override 9292 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 9293 int match, int userId) { 9294 if (!sUserManager.exists(userId)) return null; 9295 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 9296 return null; 9297 } 9298 final PackageParser.Activity activity = info.activity; 9299 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 9300 if (ps == null) { 9301 return null; 9302 } 9303 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 9304 ps.readUserState(userId), userId); 9305 if (ai == null) { 9306 return null; 9307 } 9308 final ResolveInfo res = new ResolveInfo(); 9309 res.activityInfo = ai; 9310 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9311 res.filter = info; 9312 } 9313 if (info != null) { 9314 res.handleAllWebDataURI = info.handleAllWebDataURI(); 9315 } 9316 res.priority = info.getPriority(); 9317 res.preferredOrder = activity.owner.mPreferredOrder; 9318 //System.out.println("Result: " + res.activityInfo.className + 9319 // " = " + res.priority); 9320 res.match = match; 9321 res.isDefault = info.hasDefault; 9322 res.labelRes = info.labelRes; 9323 res.nonLocalizedLabel = info.nonLocalizedLabel; 9324 if (userNeedsBadging(userId)) { 9325 res.noResourceId = true; 9326 } else { 9327 res.icon = info.icon; 9328 } 9329 res.iconResourceId = info.icon; 9330 res.system = res.activityInfo.applicationInfo.isSystemApp(); 9331 return res; 9332 } 9333 9334 @Override 9335 protected void sortResults(List<ResolveInfo> results) { 9336 Collections.sort(results, mResolvePrioritySorter); 9337 } 9338 9339 @Override 9340 protected void dumpFilter(PrintWriter out, String prefix, 9341 PackageParser.ActivityIntentInfo filter) { 9342 out.print(prefix); out.print( 9343 Integer.toHexString(System.identityHashCode(filter.activity))); 9344 out.print(' '); 9345 filter.activity.printComponentShortName(out); 9346 out.print(" filter "); 9347 out.println(Integer.toHexString(System.identityHashCode(filter))); 9348 } 9349 9350 @Override 9351 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 9352 return filter.activity; 9353 } 9354 9355 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9356 PackageParser.Activity activity = (PackageParser.Activity)label; 9357 out.print(prefix); out.print( 9358 Integer.toHexString(System.identityHashCode(activity))); 9359 out.print(' '); 9360 activity.printComponentShortName(out); 9361 if (count > 1) { 9362 out.print(" ("); out.print(count); out.print(" filters)"); 9363 } 9364 out.println(); 9365 } 9366 9367// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9368// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9369// final List<ResolveInfo> retList = Lists.newArrayList(); 9370// while (i.hasNext()) { 9371// final ResolveInfo resolveInfo = i.next(); 9372// if (isEnabledLP(resolveInfo.activityInfo)) { 9373// retList.add(resolveInfo); 9374// } 9375// } 9376// return retList; 9377// } 9378 9379 // Keys are String (activity class name), values are Activity. 9380 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 9381 = new ArrayMap<ComponentName, PackageParser.Activity>(); 9382 private int mFlags; 9383 } 9384 9385 private final class ServiceIntentResolver 9386 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 9387 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9388 boolean defaultOnly, int userId) { 9389 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9390 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9391 } 9392 9393 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9394 int userId) { 9395 if (!sUserManager.exists(userId)) return null; 9396 mFlags = flags; 9397 return super.queryIntent(intent, resolvedType, 9398 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9399 } 9400 9401 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9402 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 9403 if (!sUserManager.exists(userId)) return null; 9404 if (packageServices == null) { 9405 return null; 9406 } 9407 mFlags = flags; 9408 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9409 final int N = packageServices.size(); 9410 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 9411 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 9412 9413 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 9414 for (int i = 0; i < N; ++i) { 9415 intentFilters = packageServices.get(i).intents; 9416 if (intentFilters != null && intentFilters.size() > 0) { 9417 PackageParser.ServiceIntentInfo[] array = 9418 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 9419 intentFilters.toArray(array); 9420 listCut.add(array); 9421 } 9422 } 9423 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9424 } 9425 9426 public final void addService(PackageParser.Service s) { 9427 mServices.put(s.getComponentName(), s); 9428 if (DEBUG_SHOW_INFO) { 9429 Log.v(TAG, " " 9430 + (s.info.nonLocalizedLabel != null 9431 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 9432 Log.v(TAG, " Class=" + s.info.name); 9433 } 9434 final int NI = s.intents.size(); 9435 int j; 9436 for (j=0; j<NI; j++) { 9437 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 9438 if (DEBUG_SHOW_INFO) { 9439 Log.v(TAG, " IntentFilter:"); 9440 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9441 } 9442 if (!intent.debugCheck()) { 9443 Log.w(TAG, "==> For Service " + s.info.name); 9444 } 9445 addFilter(intent); 9446 } 9447 } 9448 9449 public final void removeService(PackageParser.Service s) { 9450 mServices.remove(s.getComponentName()); 9451 if (DEBUG_SHOW_INFO) { 9452 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 9453 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 9454 Log.v(TAG, " Class=" + s.info.name); 9455 } 9456 final int NI = s.intents.size(); 9457 int j; 9458 for (j=0; j<NI; j++) { 9459 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 9460 if (DEBUG_SHOW_INFO) { 9461 Log.v(TAG, " IntentFilter:"); 9462 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9463 } 9464 removeFilter(intent); 9465 } 9466 } 9467 9468 @Override 9469 protected boolean allowFilterResult( 9470 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 9471 ServiceInfo filterSi = filter.service.info; 9472 for (int i=dest.size()-1; i>=0; i--) { 9473 ServiceInfo destAi = dest.get(i).serviceInfo; 9474 if (destAi.name == filterSi.name 9475 && destAi.packageName == filterSi.packageName) { 9476 return false; 9477 } 9478 } 9479 return true; 9480 } 9481 9482 @Override 9483 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 9484 return new PackageParser.ServiceIntentInfo[size]; 9485 } 9486 9487 @Override 9488 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 9489 if (!sUserManager.exists(userId)) return true; 9490 PackageParser.Package p = filter.service.owner; 9491 if (p != null) { 9492 PackageSetting ps = (PackageSetting)p.mExtras; 9493 if (ps != null) { 9494 // System apps are never considered stopped for purposes of 9495 // filtering, because there may be no way for the user to 9496 // actually re-launch them. 9497 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9498 && ps.getStopped(userId); 9499 } 9500 } 9501 return false; 9502 } 9503 9504 @Override 9505 protected boolean isPackageForFilter(String packageName, 9506 PackageParser.ServiceIntentInfo info) { 9507 return packageName.equals(info.service.owner.packageName); 9508 } 9509 9510 @Override 9511 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 9512 int match, int userId) { 9513 if (!sUserManager.exists(userId)) return null; 9514 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 9515 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 9516 return null; 9517 } 9518 final PackageParser.Service service = info.service; 9519 PackageSetting ps = (PackageSetting) service.owner.mExtras; 9520 if (ps == null) { 9521 return null; 9522 } 9523 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 9524 ps.readUserState(userId), userId); 9525 if (si == null) { 9526 return null; 9527 } 9528 final ResolveInfo res = new ResolveInfo(); 9529 res.serviceInfo = si; 9530 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9531 res.filter = filter; 9532 } 9533 res.priority = info.getPriority(); 9534 res.preferredOrder = service.owner.mPreferredOrder; 9535 res.match = match; 9536 res.isDefault = info.hasDefault; 9537 res.labelRes = info.labelRes; 9538 res.nonLocalizedLabel = info.nonLocalizedLabel; 9539 res.icon = info.icon; 9540 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 9541 return res; 9542 } 9543 9544 @Override 9545 protected void sortResults(List<ResolveInfo> results) { 9546 Collections.sort(results, mResolvePrioritySorter); 9547 } 9548 9549 @Override 9550 protected void dumpFilter(PrintWriter out, String prefix, 9551 PackageParser.ServiceIntentInfo filter) { 9552 out.print(prefix); out.print( 9553 Integer.toHexString(System.identityHashCode(filter.service))); 9554 out.print(' '); 9555 filter.service.printComponentShortName(out); 9556 out.print(" filter "); 9557 out.println(Integer.toHexString(System.identityHashCode(filter))); 9558 } 9559 9560 @Override 9561 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 9562 return filter.service; 9563 } 9564 9565 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9566 PackageParser.Service service = (PackageParser.Service)label; 9567 out.print(prefix); out.print( 9568 Integer.toHexString(System.identityHashCode(service))); 9569 out.print(' '); 9570 service.printComponentShortName(out); 9571 if (count > 1) { 9572 out.print(" ("); out.print(count); out.print(" filters)"); 9573 } 9574 out.println(); 9575 } 9576 9577// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9578// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9579// final List<ResolveInfo> retList = Lists.newArrayList(); 9580// while (i.hasNext()) { 9581// final ResolveInfo resolveInfo = (ResolveInfo) i; 9582// if (isEnabledLP(resolveInfo.serviceInfo)) { 9583// retList.add(resolveInfo); 9584// } 9585// } 9586// return retList; 9587// } 9588 9589 // Keys are String (activity class name), values are Activity. 9590 private final ArrayMap<ComponentName, PackageParser.Service> mServices 9591 = new ArrayMap<ComponentName, PackageParser.Service>(); 9592 private int mFlags; 9593 }; 9594 9595 private final class ProviderIntentResolver 9596 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 9597 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9598 boolean defaultOnly, int userId) { 9599 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9600 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9601 } 9602 9603 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9604 int userId) { 9605 if (!sUserManager.exists(userId)) 9606 return null; 9607 mFlags = flags; 9608 return super.queryIntent(intent, resolvedType, 9609 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9610 } 9611 9612 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9613 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 9614 if (!sUserManager.exists(userId)) 9615 return null; 9616 if (packageProviders == null) { 9617 return null; 9618 } 9619 mFlags = flags; 9620 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 9621 final int N = packageProviders.size(); 9622 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 9623 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 9624 9625 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 9626 for (int i = 0; i < N; ++i) { 9627 intentFilters = packageProviders.get(i).intents; 9628 if (intentFilters != null && intentFilters.size() > 0) { 9629 PackageParser.ProviderIntentInfo[] array = 9630 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 9631 intentFilters.toArray(array); 9632 listCut.add(array); 9633 } 9634 } 9635 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9636 } 9637 9638 public final void addProvider(PackageParser.Provider p) { 9639 if (mProviders.containsKey(p.getComponentName())) { 9640 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 9641 return; 9642 } 9643 9644 mProviders.put(p.getComponentName(), p); 9645 if (DEBUG_SHOW_INFO) { 9646 Log.v(TAG, " " 9647 + (p.info.nonLocalizedLabel != null 9648 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 9649 Log.v(TAG, " Class=" + p.info.name); 9650 } 9651 final int NI = p.intents.size(); 9652 int j; 9653 for (j = 0; j < NI; j++) { 9654 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 9655 if (DEBUG_SHOW_INFO) { 9656 Log.v(TAG, " IntentFilter:"); 9657 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9658 } 9659 if (!intent.debugCheck()) { 9660 Log.w(TAG, "==> For Provider " + p.info.name); 9661 } 9662 addFilter(intent); 9663 } 9664 } 9665 9666 public final void removeProvider(PackageParser.Provider p) { 9667 mProviders.remove(p.getComponentName()); 9668 if (DEBUG_SHOW_INFO) { 9669 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 9670 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 9671 Log.v(TAG, " Class=" + p.info.name); 9672 } 9673 final int NI = p.intents.size(); 9674 int j; 9675 for (j = 0; j < NI; j++) { 9676 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 9677 if (DEBUG_SHOW_INFO) { 9678 Log.v(TAG, " IntentFilter:"); 9679 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9680 } 9681 removeFilter(intent); 9682 } 9683 } 9684 9685 @Override 9686 protected boolean allowFilterResult( 9687 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 9688 ProviderInfo filterPi = filter.provider.info; 9689 for (int i = dest.size() - 1; i >= 0; i--) { 9690 ProviderInfo destPi = dest.get(i).providerInfo; 9691 if (destPi.name == filterPi.name 9692 && destPi.packageName == filterPi.packageName) { 9693 return false; 9694 } 9695 } 9696 return true; 9697 } 9698 9699 @Override 9700 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 9701 return new PackageParser.ProviderIntentInfo[size]; 9702 } 9703 9704 @Override 9705 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 9706 if (!sUserManager.exists(userId)) 9707 return true; 9708 PackageParser.Package p = filter.provider.owner; 9709 if (p != null) { 9710 PackageSetting ps = (PackageSetting) p.mExtras; 9711 if (ps != null) { 9712 // System apps are never considered stopped for purposes of 9713 // filtering, because there may be no way for the user to 9714 // actually re-launch them. 9715 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9716 && ps.getStopped(userId); 9717 } 9718 } 9719 return false; 9720 } 9721 9722 @Override 9723 protected boolean isPackageForFilter(String packageName, 9724 PackageParser.ProviderIntentInfo info) { 9725 return packageName.equals(info.provider.owner.packageName); 9726 } 9727 9728 @Override 9729 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 9730 int match, int userId) { 9731 if (!sUserManager.exists(userId)) 9732 return null; 9733 final PackageParser.ProviderIntentInfo info = filter; 9734 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 9735 return null; 9736 } 9737 final PackageParser.Provider provider = info.provider; 9738 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 9739 if (ps == null) { 9740 return null; 9741 } 9742 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 9743 ps.readUserState(userId), userId); 9744 if (pi == null) { 9745 return null; 9746 } 9747 final ResolveInfo res = new ResolveInfo(); 9748 res.providerInfo = pi; 9749 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 9750 res.filter = filter; 9751 } 9752 res.priority = info.getPriority(); 9753 res.preferredOrder = provider.owner.mPreferredOrder; 9754 res.match = match; 9755 res.isDefault = info.hasDefault; 9756 res.labelRes = info.labelRes; 9757 res.nonLocalizedLabel = info.nonLocalizedLabel; 9758 res.icon = info.icon; 9759 res.system = res.providerInfo.applicationInfo.isSystemApp(); 9760 return res; 9761 } 9762 9763 @Override 9764 protected void sortResults(List<ResolveInfo> results) { 9765 Collections.sort(results, mResolvePrioritySorter); 9766 } 9767 9768 @Override 9769 protected void dumpFilter(PrintWriter out, String prefix, 9770 PackageParser.ProviderIntentInfo filter) { 9771 out.print(prefix); 9772 out.print( 9773 Integer.toHexString(System.identityHashCode(filter.provider))); 9774 out.print(' '); 9775 filter.provider.printComponentShortName(out); 9776 out.print(" filter "); 9777 out.println(Integer.toHexString(System.identityHashCode(filter))); 9778 } 9779 9780 @Override 9781 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 9782 return filter.provider; 9783 } 9784 9785 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9786 PackageParser.Provider provider = (PackageParser.Provider)label; 9787 out.print(prefix); out.print( 9788 Integer.toHexString(System.identityHashCode(provider))); 9789 out.print(' '); 9790 provider.printComponentShortName(out); 9791 if (count > 1) { 9792 out.print(" ("); out.print(count); out.print(" filters)"); 9793 } 9794 out.println(); 9795 } 9796 9797 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 9798 = new ArrayMap<ComponentName, PackageParser.Provider>(); 9799 private int mFlags; 9800 } 9801 9802 private static final class EphemeralIntentResolver 9803 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 9804 @Override 9805 protected EphemeralResolveIntentInfo[] newArray(int size) { 9806 return new EphemeralResolveIntentInfo[size]; 9807 } 9808 9809 @Override 9810 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 9811 return true; 9812 } 9813 9814 @Override 9815 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 9816 int userId) { 9817 if (!sUserManager.exists(userId)) { 9818 return null; 9819 } 9820 return info.getEphemeralResolveInfo(); 9821 } 9822 } 9823 9824 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 9825 new Comparator<ResolveInfo>() { 9826 public int compare(ResolveInfo r1, ResolveInfo r2) { 9827 int v1 = r1.priority; 9828 int v2 = r2.priority; 9829 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 9830 if (v1 != v2) { 9831 return (v1 > v2) ? -1 : 1; 9832 } 9833 v1 = r1.preferredOrder; 9834 v2 = r2.preferredOrder; 9835 if (v1 != v2) { 9836 return (v1 > v2) ? -1 : 1; 9837 } 9838 if (r1.isDefault != r2.isDefault) { 9839 return r1.isDefault ? -1 : 1; 9840 } 9841 v1 = r1.match; 9842 v2 = r2.match; 9843 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 9844 if (v1 != v2) { 9845 return (v1 > v2) ? -1 : 1; 9846 } 9847 if (r1.system != r2.system) { 9848 return r1.system ? -1 : 1; 9849 } 9850 if (r1.activityInfo != null) { 9851 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 9852 } 9853 if (r1.serviceInfo != null) { 9854 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 9855 } 9856 if (r1.providerInfo != null) { 9857 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 9858 } 9859 return 0; 9860 } 9861 }; 9862 9863 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 9864 new Comparator<ProviderInfo>() { 9865 public int compare(ProviderInfo p1, ProviderInfo p2) { 9866 final int v1 = p1.initOrder; 9867 final int v2 = p2.initOrder; 9868 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 9869 } 9870 }; 9871 9872 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 9873 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 9874 final int[] userIds) { 9875 mHandler.post(new Runnable() { 9876 @Override 9877 public void run() { 9878 try { 9879 final IActivityManager am = ActivityManagerNative.getDefault(); 9880 if (am == null) return; 9881 final int[] resolvedUserIds; 9882 if (userIds == null) { 9883 resolvedUserIds = am.getRunningUserIds(); 9884 } else { 9885 resolvedUserIds = userIds; 9886 } 9887 for (int id : resolvedUserIds) { 9888 final Intent intent = new Intent(action, 9889 pkg != null ? Uri.fromParts("package", pkg, null) : null); 9890 if (extras != null) { 9891 intent.putExtras(extras); 9892 } 9893 if (targetPkg != null) { 9894 intent.setPackage(targetPkg); 9895 } 9896 // Modify the UID when posting to other users 9897 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 9898 if (uid > 0 && UserHandle.getUserId(uid) != id) { 9899 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 9900 intent.putExtra(Intent.EXTRA_UID, uid); 9901 } 9902 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 9903 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 9904 if (DEBUG_BROADCASTS) { 9905 RuntimeException here = new RuntimeException("here"); 9906 here.fillInStackTrace(); 9907 Slog.d(TAG, "Sending to user " + id + ": " 9908 + intent.toShortString(false, true, false, false) 9909 + " " + intent.getExtras(), here); 9910 } 9911 am.broadcastIntent(null, intent, null, finishedReceiver, 9912 0, null, null, null, android.app.AppOpsManager.OP_NONE, 9913 null, finishedReceiver != null, false, id); 9914 } 9915 } catch (RemoteException ex) { 9916 } 9917 } 9918 }); 9919 } 9920 9921 /** 9922 * Check if the external storage media is available. This is true if there 9923 * is a mounted external storage medium or if the external storage is 9924 * emulated. 9925 */ 9926 private boolean isExternalMediaAvailable() { 9927 return mMediaMounted || Environment.isExternalStorageEmulated(); 9928 } 9929 9930 @Override 9931 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 9932 // writer 9933 synchronized (mPackages) { 9934 if (!isExternalMediaAvailable()) { 9935 // If the external storage is no longer mounted at this point, 9936 // the caller may not have been able to delete all of this 9937 // packages files and can not delete any more. Bail. 9938 return null; 9939 } 9940 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 9941 if (lastPackage != null) { 9942 pkgs.remove(lastPackage); 9943 } 9944 if (pkgs.size() > 0) { 9945 return pkgs.get(0); 9946 } 9947 } 9948 return null; 9949 } 9950 9951 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 9952 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 9953 userId, andCode ? 1 : 0, packageName); 9954 if (mSystemReady) { 9955 msg.sendToTarget(); 9956 } else { 9957 if (mPostSystemReadyMessages == null) { 9958 mPostSystemReadyMessages = new ArrayList<>(); 9959 } 9960 mPostSystemReadyMessages.add(msg); 9961 } 9962 } 9963 9964 void startCleaningPackages() { 9965 // reader 9966 synchronized (mPackages) { 9967 if (!isExternalMediaAvailable()) { 9968 return; 9969 } 9970 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 9971 return; 9972 } 9973 } 9974 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 9975 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 9976 IActivityManager am = ActivityManagerNative.getDefault(); 9977 if (am != null) { 9978 try { 9979 am.startService(null, intent, null, mContext.getOpPackageName(), 9980 UserHandle.USER_SYSTEM); 9981 } catch (RemoteException e) { 9982 } 9983 } 9984 } 9985 9986 @Override 9987 public void installPackage(String originPath, IPackageInstallObserver2 observer, 9988 int installFlags, String installerPackageName, VerificationParams verificationParams, 9989 String packageAbiOverride) { 9990 installPackageAsUser(originPath, observer, installFlags, installerPackageName, 9991 verificationParams, packageAbiOverride, UserHandle.getCallingUserId()); 9992 } 9993 9994 @Override 9995 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 9996 int installFlags, String installerPackageName, VerificationParams verificationParams, 9997 String packageAbiOverride, int userId) { 9998 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 9999 10000 final int callingUid = Binder.getCallingUid(); 10001 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 10002 10003 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 10004 try { 10005 if (observer != null) { 10006 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 10007 } 10008 } catch (RemoteException re) { 10009 } 10010 return; 10011 } 10012 10013 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 10014 installFlags |= PackageManager.INSTALL_FROM_ADB; 10015 10016 } else { 10017 // Caller holds INSTALL_PACKAGES permission, so we're less strict 10018 // about installerPackageName. 10019 10020 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 10021 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 10022 } 10023 10024 UserHandle user; 10025 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 10026 user = UserHandle.ALL; 10027 } else { 10028 user = new UserHandle(userId); 10029 } 10030 10031 // Only system components can circumvent runtime permissions when installing. 10032 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 10033 && mContext.checkCallingOrSelfPermission(Manifest.permission 10034 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 10035 throw new SecurityException("You need the " 10036 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 10037 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 10038 } 10039 10040 verificationParams.setInstallerUid(callingUid); 10041 10042 final File originFile = new File(originPath); 10043 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 10044 10045 final Message msg = mHandler.obtainMessage(INIT_COPY); 10046 final InstallParams params = new InstallParams(origin, null, observer, installFlags, 10047 installerPackageName, null, verificationParams, user, packageAbiOverride, null); 10048 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 10049 msg.obj = params; 10050 10051 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 10052 System.identityHashCode(msg.obj)); 10053 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 10054 System.identityHashCode(msg.obj)); 10055 10056 mHandler.sendMessage(msg); 10057 } 10058 10059 void installStage(String packageName, File stagedDir, String stagedCid, 10060 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 10061 String installerPackageName, int installerUid, UserHandle user) { 10062 if (DEBUG_EPHEMERAL) { 10063 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 10064 Slog.d(TAG, "Ephemeral install of " + packageName); 10065 } 10066 } 10067 final VerificationParams verifParams = new VerificationParams( 10068 null, sessionParams.originatingUri, sessionParams.referrerUri, 10069 sessionParams.originatingUid); 10070 verifParams.setInstallerUid(installerUid); 10071 10072 final OriginInfo origin; 10073 if (stagedDir != null) { 10074 origin = OriginInfo.fromStagedFile(stagedDir); 10075 } else { 10076 origin = OriginInfo.fromStagedContainer(stagedCid); 10077 } 10078 10079 final Message msg = mHandler.obtainMessage(INIT_COPY); 10080 final InstallParams params = new InstallParams(origin, null, observer, 10081 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 10082 verifParams, user, sessionParams.abiOverride, 10083 sessionParams.grantedRuntimePermissions); 10084 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 10085 msg.obj = params; 10086 10087 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 10088 System.identityHashCode(msg.obj)); 10089 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 10090 System.identityHashCode(msg.obj)); 10091 10092 mHandler.sendMessage(msg); 10093 } 10094 10095 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 10096 Bundle extras = new Bundle(1); 10097 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 10098 10099 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 10100 packageName, extras, 0, null, null, new int[] {userId}); 10101 try { 10102 IActivityManager am = ActivityManagerNative.getDefault(); 10103 final boolean isSystem = 10104 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 10105 if (isSystem && am.isUserRunning(userId, 0)) { 10106 // The just-installed/enabled app is bundled on the system, so presumed 10107 // to be able to run automatically without needing an explicit launch. 10108 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 10109 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 10110 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 10111 .setPackage(packageName); 10112 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 10113 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 10114 } 10115 } catch (RemoteException e) { 10116 // shouldn't happen 10117 Slog.w(TAG, "Unable to bootstrap installed package", e); 10118 } 10119 } 10120 10121 @Override 10122 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 10123 int userId) { 10124 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10125 PackageSetting pkgSetting; 10126 final int uid = Binder.getCallingUid(); 10127 enforceCrossUserPermission(uid, userId, true, true, 10128 "setApplicationHiddenSetting for user " + userId); 10129 10130 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 10131 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 10132 return false; 10133 } 10134 10135 long callingId = Binder.clearCallingIdentity(); 10136 try { 10137 boolean sendAdded = false; 10138 boolean sendRemoved = false; 10139 // writer 10140 synchronized (mPackages) { 10141 pkgSetting = mSettings.mPackages.get(packageName); 10142 if (pkgSetting == null) { 10143 return false; 10144 } 10145 if (pkgSetting.getHidden(userId) != hidden) { 10146 pkgSetting.setHidden(hidden, userId); 10147 mSettings.writePackageRestrictionsLPr(userId); 10148 if (hidden) { 10149 sendRemoved = true; 10150 } else { 10151 sendAdded = true; 10152 } 10153 } 10154 } 10155 if (sendAdded) { 10156 sendPackageAddedForUser(packageName, pkgSetting, userId); 10157 return true; 10158 } 10159 if (sendRemoved) { 10160 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 10161 "hiding pkg"); 10162 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 10163 return true; 10164 } 10165 } finally { 10166 Binder.restoreCallingIdentity(callingId); 10167 } 10168 return false; 10169 } 10170 10171 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 10172 int userId) { 10173 final PackageRemovedInfo info = new PackageRemovedInfo(); 10174 info.removedPackage = packageName; 10175 info.removedUsers = new int[] {userId}; 10176 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 10177 info.sendBroadcast(false, false, false); 10178 } 10179 10180 /** 10181 * Returns true if application is not found or there was an error. Otherwise it returns 10182 * the hidden state of the package for the given user. 10183 */ 10184 @Override 10185 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 10186 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10187 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 10188 false, "getApplicationHidden for user " + userId); 10189 PackageSetting pkgSetting; 10190 long callingId = Binder.clearCallingIdentity(); 10191 try { 10192 // writer 10193 synchronized (mPackages) { 10194 pkgSetting = mSettings.mPackages.get(packageName); 10195 if (pkgSetting == null) { 10196 return true; 10197 } 10198 return pkgSetting.getHidden(userId); 10199 } 10200 } finally { 10201 Binder.restoreCallingIdentity(callingId); 10202 } 10203 } 10204 10205 /** 10206 * @hide 10207 */ 10208 @Override 10209 public int installExistingPackageAsUser(String packageName, int userId) { 10210 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 10211 null); 10212 PackageSetting pkgSetting; 10213 final int uid = Binder.getCallingUid(); 10214 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 10215 + userId); 10216 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 10217 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 10218 } 10219 10220 long callingId = Binder.clearCallingIdentity(); 10221 try { 10222 boolean sendAdded = false; 10223 10224 // writer 10225 synchronized (mPackages) { 10226 pkgSetting = mSettings.mPackages.get(packageName); 10227 if (pkgSetting == null) { 10228 return PackageManager.INSTALL_FAILED_INVALID_URI; 10229 } 10230 if (!pkgSetting.getInstalled(userId)) { 10231 pkgSetting.setInstalled(true, userId); 10232 pkgSetting.setHidden(false, userId); 10233 mSettings.writePackageRestrictionsLPr(userId); 10234 sendAdded = true; 10235 } 10236 } 10237 10238 if (sendAdded) { 10239 sendPackageAddedForUser(packageName, pkgSetting, userId); 10240 } 10241 } finally { 10242 Binder.restoreCallingIdentity(callingId); 10243 } 10244 10245 return PackageManager.INSTALL_SUCCEEDED; 10246 } 10247 10248 boolean isUserRestricted(int userId, String restrictionKey) { 10249 Bundle restrictions = sUserManager.getUserRestrictions(userId); 10250 if (restrictions.getBoolean(restrictionKey, false)) { 10251 Log.w(TAG, "User is restricted: " + restrictionKey); 10252 return true; 10253 } 10254 return false; 10255 } 10256 10257 @Override 10258 public boolean setPackageSuspendedAsUser(String packageName, boolean suspended, int userId) { 10259 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10260 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, true, 10261 "setPackageSuspended for user " + userId); 10262 10263 long callingId = Binder.clearCallingIdentity(); 10264 try { 10265 synchronized (mPackages) { 10266 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 10267 if (pkgSetting != null) { 10268 if (pkgSetting.getSuspended(userId) != suspended) { 10269 pkgSetting.setSuspended(suspended, userId); 10270 mSettings.writePackageRestrictionsLPr(userId); 10271 } 10272 10273 // TODO: 10274 // * broadcast a PACKAGE_(UN)SUSPENDED intent for launchers to pick up 10275 // * remove app from recents (kill app it if it is running) 10276 // * erase existing notifications for this app 10277 return true; 10278 } 10279 10280 return false; 10281 } 10282 } finally { 10283 Binder.restoreCallingIdentity(callingId); 10284 } 10285 } 10286 10287 @Override 10288 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 10289 mContext.enforceCallingOrSelfPermission( 10290 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10291 "Only package verification agents can verify applications"); 10292 10293 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 10294 final PackageVerificationResponse response = new PackageVerificationResponse( 10295 verificationCode, Binder.getCallingUid()); 10296 msg.arg1 = id; 10297 msg.obj = response; 10298 mHandler.sendMessage(msg); 10299 } 10300 10301 @Override 10302 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 10303 long millisecondsToDelay) { 10304 mContext.enforceCallingOrSelfPermission( 10305 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10306 "Only package verification agents can extend verification timeouts"); 10307 10308 final PackageVerificationState state = mPendingVerification.get(id); 10309 final PackageVerificationResponse response = new PackageVerificationResponse( 10310 verificationCodeAtTimeout, Binder.getCallingUid()); 10311 10312 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 10313 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 10314 } 10315 if (millisecondsToDelay < 0) { 10316 millisecondsToDelay = 0; 10317 } 10318 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 10319 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 10320 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 10321 } 10322 10323 if ((state != null) && !state.timeoutExtended()) { 10324 state.extendTimeout(); 10325 10326 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 10327 msg.arg1 = id; 10328 msg.obj = response; 10329 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 10330 } 10331 } 10332 10333 private void broadcastPackageVerified(int verificationId, Uri packageUri, 10334 int verificationCode, UserHandle user) { 10335 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 10336 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 10337 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 10338 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 10339 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 10340 10341 mContext.sendBroadcastAsUser(intent, user, 10342 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 10343 } 10344 10345 private ComponentName matchComponentForVerifier(String packageName, 10346 List<ResolveInfo> receivers) { 10347 ActivityInfo targetReceiver = null; 10348 10349 final int NR = receivers.size(); 10350 for (int i = 0; i < NR; i++) { 10351 final ResolveInfo info = receivers.get(i); 10352 if (info.activityInfo == null) { 10353 continue; 10354 } 10355 10356 if (packageName.equals(info.activityInfo.packageName)) { 10357 targetReceiver = info.activityInfo; 10358 break; 10359 } 10360 } 10361 10362 if (targetReceiver == null) { 10363 return null; 10364 } 10365 10366 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 10367 } 10368 10369 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 10370 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 10371 if (pkgInfo.verifiers.length == 0) { 10372 return null; 10373 } 10374 10375 final int N = pkgInfo.verifiers.length; 10376 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 10377 for (int i = 0; i < N; i++) { 10378 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 10379 10380 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 10381 receivers); 10382 if (comp == null) { 10383 continue; 10384 } 10385 10386 final int verifierUid = getUidForVerifier(verifierInfo); 10387 if (verifierUid == -1) { 10388 continue; 10389 } 10390 10391 if (DEBUG_VERIFY) { 10392 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 10393 + " with the correct signature"); 10394 } 10395 sufficientVerifiers.add(comp); 10396 verificationState.addSufficientVerifier(verifierUid); 10397 } 10398 10399 return sufficientVerifiers; 10400 } 10401 10402 private int getUidForVerifier(VerifierInfo verifierInfo) { 10403 synchronized (mPackages) { 10404 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 10405 if (pkg == null) { 10406 return -1; 10407 } else if (pkg.mSignatures.length != 1) { 10408 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 10409 + " has more than one signature; ignoring"); 10410 return -1; 10411 } 10412 10413 /* 10414 * If the public key of the package's signature does not match 10415 * our expected public key, then this is a different package and 10416 * we should skip. 10417 */ 10418 10419 final byte[] expectedPublicKey; 10420 try { 10421 final Signature verifierSig = pkg.mSignatures[0]; 10422 final PublicKey publicKey = verifierSig.getPublicKey(); 10423 expectedPublicKey = publicKey.getEncoded(); 10424 } catch (CertificateException e) { 10425 return -1; 10426 } 10427 10428 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 10429 10430 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 10431 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 10432 + " does not have the expected public key; ignoring"); 10433 return -1; 10434 } 10435 10436 return pkg.applicationInfo.uid; 10437 } 10438 } 10439 10440 @Override 10441 public void finishPackageInstall(int token) { 10442 enforceSystemOrRoot("Only the system is allowed to finish installs"); 10443 10444 if (DEBUG_INSTALL) { 10445 Slog.v(TAG, "BM finishing package install for " + token); 10446 } 10447 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 10448 10449 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 10450 mHandler.sendMessage(msg); 10451 } 10452 10453 /** 10454 * Get the verification agent timeout. 10455 * 10456 * @return verification timeout in milliseconds 10457 */ 10458 private long getVerificationTimeout() { 10459 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 10460 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 10461 DEFAULT_VERIFICATION_TIMEOUT); 10462 } 10463 10464 /** 10465 * Get the default verification agent response code. 10466 * 10467 * @return default verification response code 10468 */ 10469 private int getDefaultVerificationResponse() { 10470 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10471 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 10472 DEFAULT_VERIFICATION_RESPONSE); 10473 } 10474 10475 /** 10476 * Check whether or not package verification has been enabled. 10477 * 10478 * @return true if verification should be performed 10479 */ 10480 private boolean isVerificationEnabled(int userId, int installFlags) { 10481 if (!DEFAULT_VERIFY_ENABLE) { 10482 return false; 10483 } 10484 // Ephemeral apps don't get the full verification treatment 10485 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 10486 if (DEBUG_EPHEMERAL) { 10487 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 10488 } 10489 return false; 10490 } 10491 10492 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 10493 10494 // Check if installing from ADB 10495 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 10496 // Do not run verification in a test harness environment 10497 if (ActivityManager.isRunningInTestHarness()) { 10498 return false; 10499 } 10500 if (ensureVerifyAppsEnabled) { 10501 return true; 10502 } 10503 // Check if the developer does not want package verification for ADB installs 10504 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10505 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 10506 return false; 10507 } 10508 } 10509 10510 if (ensureVerifyAppsEnabled) { 10511 return true; 10512 } 10513 10514 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10515 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 10516 } 10517 10518 @Override 10519 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 10520 throws RemoteException { 10521 mContext.enforceCallingOrSelfPermission( 10522 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 10523 "Only intentfilter verification agents can verify applications"); 10524 10525 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 10526 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 10527 Binder.getCallingUid(), verificationCode, failedDomains); 10528 msg.arg1 = id; 10529 msg.obj = response; 10530 mHandler.sendMessage(msg); 10531 } 10532 10533 @Override 10534 public int getIntentVerificationStatus(String packageName, int userId) { 10535 synchronized (mPackages) { 10536 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 10537 } 10538 } 10539 10540 @Override 10541 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 10542 mContext.enforceCallingOrSelfPermission( 10543 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10544 10545 boolean result = false; 10546 synchronized (mPackages) { 10547 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 10548 } 10549 if (result) { 10550 scheduleWritePackageRestrictionsLocked(userId); 10551 } 10552 return result; 10553 } 10554 10555 @Override 10556 public List<IntentFilterVerificationInfo> getIntentFilterVerifications(String packageName) { 10557 synchronized (mPackages) { 10558 return mSettings.getIntentFilterVerificationsLPr(packageName); 10559 } 10560 } 10561 10562 @Override 10563 public List<IntentFilter> getAllIntentFilters(String packageName) { 10564 if (TextUtils.isEmpty(packageName)) { 10565 return Collections.<IntentFilter>emptyList(); 10566 } 10567 synchronized (mPackages) { 10568 PackageParser.Package pkg = mPackages.get(packageName); 10569 if (pkg == null || pkg.activities == null) { 10570 return Collections.<IntentFilter>emptyList(); 10571 } 10572 final int count = pkg.activities.size(); 10573 ArrayList<IntentFilter> result = new ArrayList<>(); 10574 for (int n=0; n<count; n++) { 10575 PackageParser.Activity activity = pkg.activities.get(n); 10576 if (activity.intents != null && activity.intents.size() > 0) { 10577 result.addAll(activity.intents); 10578 } 10579 } 10580 return result; 10581 } 10582 } 10583 10584 @Override 10585 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 10586 mContext.enforceCallingOrSelfPermission( 10587 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10588 10589 synchronized (mPackages) { 10590 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 10591 if (packageName != null) { 10592 result |= updateIntentVerificationStatus(packageName, 10593 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 10594 userId); 10595 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 10596 packageName, userId); 10597 } 10598 return result; 10599 } 10600 } 10601 10602 @Override 10603 public String getDefaultBrowserPackageName(int userId) { 10604 synchronized (mPackages) { 10605 return mSettings.getDefaultBrowserPackageNameLPw(userId); 10606 } 10607 } 10608 10609 /** 10610 * Get the "allow unknown sources" setting. 10611 * 10612 * @return the current "allow unknown sources" setting 10613 */ 10614 private int getUnknownSourcesSettings() { 10615 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10616 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 10617 -1); 10618 } 10619 10620 @Override 10621 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 10622 final int uid = Binder.getCallingUid(); 10623 // writer 10624 synchronized (mPackages) { 10625 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 10626 if (targetPackageSetting == null) { 10627 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 10628 } 10629 10630 PackageSetting installerPackageSetting; 10631 if (installerPackageName != null) { 10632 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 10633 if (installerPackageSetting == null) { 10634 throw new IllegalArgumentException("Unknown installer package: " 10635 + installerPackageName); 10636 } 10637 } else { 10638 installerPackageSetting = null; 10639 } 10640 10641 Signature[] callerSignature; 10642 Object obj = mSettings.getUserIdLPr(uid); 10643 if (obj != null) { 10644 if (obj instanceof SharedUserSetting) { 10645 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 10646 } else if (obj instanceof PackageSetting) { 10647 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 10648 } else { 10649 throw new SecurityException("Bad object " + obj + " for uid " + uid); 10650 } 10651 } else { 10652 throw new SecurityException("Unknown calling UID: " + uid); 10653 } 10654 10655 // Verify: can't set installerPackageName to a package that is 10656 // not signed with the same cert as the caller. 10657 if (installerPackageSetting != null) { 10658 if (compareSignatures(callerSignature, 10659 installerPackageSetting.signatures.mSignatures) 10660 != PackageManager.SIGNATURE_MATCH) { 10661 throw new SecurityException( 10662 "Caller does not have same cert as new installer package " 10663 + installerPackageName); 10664 } 10665 } 10666 10667 // Verify: if target already has an installer package, it must 10668 // be signed with the same cert as the caller. 10669 if (targetPackageSetting.installerPackageName != null) { 10670 PackageSetting setting = mSettings.mPackages.get( 10671 targetPackageSetting.installerPackageName); 10672 // If the currently set package isn't valid, then it's always 10673 // okay to change it. 10674 if (setting != null) { 10675 if (compareSignatures(callerSignature, 10676 setting.signatures.mSignatures) 10677 != PackageManager.SIGNATURE_MATCH) { 10678 throw new SecurityException( 10679 "Caller does not have same cert as old installer package " 10680 + targetPackageSetting.installerPackageName); 10681 } 10682 } 10683 } 10684 10685 // Okay! 10686 targetPackageSetting.installerPackageName = installerPackageName; 10687 scheduleWriteSettingsLocked(); 10688 } 10689 } 10690 10691 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 10692 // Queue up an async operation since the package installation may take a little while. 10693 mHandler.post(new Runnable() { 10694 public void run() { 10695 mHandler.removeCallbacks(this); 10696 // Result object to be returned 10697 PackageInstalledInfo res = new PackageInstalledInfo(); 10698 res.returnCode = currentStatus; 10699 res.uid = -1; 10700 res.pkg = null; 10701 res.removedInfo = new PackageRemovedInfo(); 10702 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10703 args.doPreInstall(res.returnCode); 10704 synchronized (mInstallLock) { 10705 installPackageTracedLI(args, res); 10706 } 10707 args.doPostInstall(res.returnCode, res.uid); 10708 } 10709 10710 // A restore should be performed at this point if (a) the install 10711 // succeeded, (b) the operation is not an update, and (c) the new 10712 // package has not opted out of backup participation. 10713 final boolean update = res.removedInfo.removedPackage != null; 10714 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 10715 boolean doRestore = !update 10716 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 10717 10718 // Set up the post-install work request bookkeeping. This will be used 10719 // and cleaned up by the post-install event handling regardless of whether 10720 // there's a restore pass performed. Token values are >= 1. 10721 int token; 10722 if (mNextInstallToken < 0) mNextInstallToken = 1; 10723 token = mNextInstallToken++; 10724 10725 PostInstallData data = new PostInstallData(args, res); 10726 mRunningInstalls.put(token, data); 10727 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 10728 10729 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 10730 // Pass responsibility to the Backup Manager. It will perform a 10731 // restore if appropriate, then pass responsibility back to the 10732 // Package Manager to run the post-install observer callbacks 10733 // and broadcasts. 10734 IBackupManager bm = IBackupManager.Stub.asInterface( 10735 ServiceManager.getService(Context.BACKUP_SERVICE)); 10736 if (bm != null) { 10737 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 10738 + " to BM for possible restore"); 10739 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 10740 try { 10741 // TODO: http://b/22388012 10742 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 10743 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 10744 } else { 10745 doRestore = false; 10746 } 10747 } catch (RemoteException e) { 10748 // can't happen; the backup manager is local 10749 } catch (Exception e) { 10750 Slog.e(TAG, "Exception trying to enqueue restore", e); 10751 doRestore = false; 10752 } 10753 } else { 10754 Slog.e(TAG, "Backup Manager not found!"); 10755 doRestore = false; 10756 } 10757 } 10758 10759 if (!doRestore) { 10760 // No restore possible, or the Backup Manager was mysteriously not 10761 // available -- just fire the post-install work request directly. 10762 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 10763 10764 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 10765 10766 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 10767 mHandler.sendMessage(msg); 10768 } 10769 } 10770 }); 10771 } 10772 10773 private abstract class HandlerParams { 10774 private static final int MAX_RETRIES = 4; 10775 10776 /** 10777 * Number of times startCopy() has been attempted and had a non-fatal 10778 * error. 10779 */ 10780 private int mRetries = 0; 10781 10782 /** User handle for the user requesting the information or installation. */ 10783 private final UserHandle mUser; 10784 String traceMethod; 10785 int traceCookie; 10786 10787 HandlerParams(UserHandle user) { 10788 mUser = user; 10789 } 10790 10791 UserHandle getUser() { 10792 return mUser; 10793 } 10794 10795 HandlerParams setTraceMethod(String traceMethod) { 10796 this.traceMethod = traceMethod; 10797 return this; 10798 } 10799 10800 HandlerParams setTraceCookie(int traceCookie) { 10801 this.traceCookie = traceCookie; 10802 return this; 10803 } 10804 10805 final boolean startCopy() { 10806 boolean res; 10807 try { 10808 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 10809 10810 if (++mRetries > MAX_RETRIES) { 10811 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 10812 mHandler.sendEmptyMessage(MCS_GIVE_UP); 10813 handleServiceError(); 10814 return false; 10815 } else { 10816 handleStartCopy(); 10817 res = true; 10818 } 10819 } catch (RemoteException e) { 10820 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 10821 mHandler.sendEmptyMessage(MCS_RECONNECT); 10822 res = false; 10823 } 10824 handleReturnCode(); 10825 return res; 10826 } 10827 10828 final void serviceError() { 10829 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 10830 handleServiceError(); 10831 handleReturnCode(); 10832 } 10833 10834 abstract void handleStartCopy() throws RemoteException; 10835 abstract void handleServiceError(); 10836 abstract void handleReturnCode(); 10837 } 10838 10839 class MeasureParams extends HandlerParams { 10840 private final PackageStats mStats; 10841 private boolean mSuccess; 10842 10843 private final IPackageStatsObserver mObserver; 10844 10845 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 10846 super(new UserHandle(stats.userHandle)); 10847 mObserver = observer; 10848 mStats = stats; 10849 } 10850 10851 @Override 10852 public String toString() { 10853 return "MeasureParams{" 10854 + Integer.toHexString(System.identityHashCode(this)) 10855 + " " + mStats.packageName + "}"; 10856 } 10857 10858 @Override 10859 void handleStartCopy() throws RemoteException { 10860 synchronized (mInstallLock) { 10861 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 10862 } 10863 10864 if (mSuccess) { 10865 final boolean mounted; 10866 if (Environment.isExternalStorageEmulated()) { 10867 mounted = true; 10868 } else { 10869 final String status = Environment.getExternalStorageState(); 10870 mounted = (Environment.MEDIA_MOUNTED.equals(status) 10871 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 10872 } 10873 10874 if (mounted) { 10875 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 10876 10877 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 10878 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 10879 10880 mStats.externalDataSize = calculateDirectorySize(mContainerService, 10881 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 10882 10883 // Always subtract cache size, since it's a subdirectory 10884 mStats.externalDataSize -= mStats.externalCacheSize; 10885 10886 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 10887 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 10888 10889 mStats.externalObbSize = calculateDirectorySize(mContainerService, 10890 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 10891 } 10892 } 10893 } 10894 10895 @Override 10896 void handleReturnCode() { 10897 if (mObserver != null) { 10898 try { 10899 mObserver.onGetStatsCompleted(mStats, mSuccess); 10900 } catch (RemoteException e) { 10901 Slog.i(TAG, "Observer no longer exists."); 10902 } 10903 } 10904 } 10905 10906 @Override 10907 void handleServiceError() { 10908 Slog.e(TAG, "Could not measure application " + mStats.packageName 10909 + " external storage"); 10910 } 10911 } 10912 10913 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 10914 throws RemoteException { 10915 long result = 0; 10916 for (File path : paths) { 10917 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 10918 } 10919 return result; 10920 } 10921 10922 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 10923 for (File path : paths) { 10924 try { 10925 mcs.clearDirectory(path.getAbsolutePath()); 10926 } catch (RemoteException e) { 10927 } 10928 } 10929 } 10930 10931 static class OriginInfo { 10932 /** 10933 * Location where install is coming from, before it has been 10934 * copied/renamed into place. This could be a single monolithic APK 10935 * file, or a cluster directory. This location may be untrusted. 10936 */ 10937 final File file; 10938 final String cid; 10939 10940 /** 10941 * Flag indicating that {@link #file} or {@link #cid} has already been 10942 * staged, meaning downstream users don't need to defensively copy the 10943 * contents. 10944 */ 10945 final boolean staged; 10946 10947 /** 10948 * Flag indicating that {@link #file} or {@link #cid} is an already 10949 * installed app that is being moved. 10950 */ 10951 final boolean existing; 10952 10953 final String resolvedPath; 10954 final File resolvedFile; 10955 10956 static OriginInfo fromNothing() { 10957 return new OriginInfo(null, null, false, false); 10958 } 10959 10960 static OriginInfo fromUntrustedFile(File file) { 10961 return new OriginInfo(file, null, false, false); 10962 } 10963 10964 static OriginInfo fromExistingFile(File file) { 10965 return new OriginInfo(file, null, false, true); 10966 } 10967 10968 static OriginInfo fromStagedFile(File file) { 10969 return new OriginInfo(file, null, true, false); 10970 } 10971 10972 static OriginInfo fromStagedContainer(String cid) { 10973 return new OriginInfo(null, cid, true, false); 10974 } 10975 10976 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 10977 this.file = file; 10978 this.cid = cid; 10979 this.staged = staged; 10980 this.existing = existing; 10981 10982 if (cid != null) { 10983 resolvedPath = PackageHelper.getSdDir(cid); 10984 resolvedFile = new File(resolvedPath); 10985 } else if (file != null) { 10986 resolvedPath = file.getAbsolutePath(); 10987 resolvedFile = file; 10988 } else { 10989 resolvedPath = null; 10990 resolvedFile = null; 10991 } 10992 } 10993 } 10994 10995 static class MoveInfo { 10996 final int moveId; 10997 final String fromUuid; 10998 final String toUuid; 10999 final String packageName; 11000 final String dataAppName; 11001 final int appId; 11002 final String seinfo; 11003 11004 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 11005 String dataAppName, int appId, String seinfo) { 11006 this.moveId = moveId; 11007 this.fromUuid = fromUuid; 11008 this.toUuid = toUuid; 11009 this.packageName = packageName; 11010 this.dataAppName = dataAppName; 11011 this.appId = appId; 11012 this.seinfo = seinfo; 11013 } 11014 } 11015 11016 class InstallParams extends HandlerParams { 11017 final OriginInfo origin; 11018 final MoveInfo move; 11019 final IPackageInstallObserver2 observer; 11020 int installFlags; 11021 final String installerPackageName; 11022 final String volumeUuid; 11023 final VerificationParams verificationParams; 11024 private InstallArgs mArgs; 11025 private int mRet; 11026 final String packageAbiOverride; 11027 final String[] grantedRuntimePermissions; 11028 11029 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 11030 int installFlags, String installerPackageName, String volumeUuid, 11031 VerificationParams verificationParams, UserHandle user, String packageAbiOverride, 11032 String[] grantedPermissions) { 11033 super(user); 11034 this.origin = origin; 11035 this.move = move; 11036 this.observer = observer; 11037 this.installFlags = installFlags; 11038 this.installerPackageName = installerPackageName; 11039 this.volumeUuid = volumeUuid; 11040 this.verificationParams = verificationParams; 11041 this.packageAbiOverride = packageAbiOverride; 11042 this.grantedRuntimePermissions = grantedPermissions; 11043 } 11044 11045 @Override 11046 public String toString() { 11047 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 11048 + " file=" + origin.file + " cid=" + origin.cid + "}"; 11049 } 11050 11051 private int installLocationPolicy(PackageInfoLite pkgLite) { 11052 String packageName = pkgLite.packageName; 11053 int installLocation = pkgLite.installLocation; 11054 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11055 // reader 11056 synchronized (mPackages) { 11057 PackageParser.Package pkg = mPackages.get(packageName); 11058 if (pkg != null) { 11059 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 11060 // Check for downgrading. 11061 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 11062 try { 11063 checkDowngrade(pkg, pkgLite); 11064 } catch (PackageManagerException e) { 11065 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 11066 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 11067 } 11068 } 11069 // Check for updated system application. 11070 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 11071 if (onSd) { 11072 Slog.w(TAG, "Cannot install update to system app on sdcard"); 11073 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 11074 } 11075 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11076 } else { 11077 if (onSd) { 11078 // Install flag overrides everything. 11079 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11080 } 11081 // If current upgrade specifies particular preference 11082 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 11083 // Application explicitly specified internal. 11084 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11085 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 11086 // App explictly prefers external. Let policy decide 11087 } else { 11088 // Prefer previous location 11089 if (isExternal(pkg)) { 11090 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11091 } 11092 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 11093 } 11094 } 11095 } else { 11096 // Invalid install. Return error code 11097 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 11098 } 11099 } 11100 } 11101 // All the special cases have been taken care of. 11102 // Return result based on recommended install location. 11103 if (onSd) { 11104 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 11105 } 11106 return pkgLite.recommendedInstallLocation; 11107 } 11108 11109 /* 11110 * Invoke remote method to get package information and install 11111 * location values. Override install location based on default 11112 * policy if needed and then create install arguments based 11113 * on the install location. 11114 */ 11115 public void handleStartCopy() throws RemoteException { 11116 int ret = PackageManager.INSTALL_SUCCEEDED; 11117 11118 // If we're already staged, we've firmly committed to an install location 11119 if (origin.staged) { 11120 if (origin.file != null) { 11121 installFlags |= PackageManager.INSTALL_INTERNAL; 11122 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 11123 } else if (origin.cid != null) { 11124 installFlags |= PackageManager.INSTALL_EXTERNAL; 11125 installFlags &= ~PackageManager.INSTALL_INTERNAL; 11126 } else { 11127 throw new IllegalStateException("Invalid stage location"); 11128 } 11129 } 11130 11131 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11132 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 11133 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 11134 PackageInfoLite pkgLite = null; 11135 11136 if (onInt && onSd) { 11137 // Check if both bits are set. 11138 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 11139 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11140 } else if (onSd && ephemeral) { 11141 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 11142 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11143 } else { 11144 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 11145 packageAbiOverride); 11146 11147 if (DEBUG_EPHEMERAL && ephemeral) { 11148 Slog.v(TAG, "pkgLite for install: " + pkgLite); 11149 } 11150 11151 /* 11152 * If we have too little free space, try to free cache 11153 * before giving up. 11154 */ 11155 if (!origin.staged && pkgLite.recommendedInstallLocation 11156 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 11157 // TODO: focus freeing disk space on the target device 11158 final StorageManager storage = StorageManager.from(mContext); 11159 final long lowThreshold = storage.getStorageLowBytes( 11160 Environment.getDataDirectory()); 11161 11162 final long sizeBytes = mContainerService.calculateInstalledSize( 11163 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 11164 11165 try { 11166 mInstaller.freeCache(null, sizeBytes + lowThreshold); 11167 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 11168 installFlags, packageAbiOverride); 11169 } catch (InstallerException e) { 11170 Slog.w(TAG, "Failed to free cache", e); 11171 } 11172 11173 /* 11174 * The cache free must have deleted the file we 11175 * downloaded to install. 11176 * 11177 * TODO: fix the "freeCache" call to not delete 11178 * the file we care about. 11179 */ 11180 if (pkgLite.recommendedInstallLocation 11181 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 11182 pkgLite.recommendedInstallLocation 11183 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 11184 } 11185 } 11186 } 11187 11188 if (ret == PackageManager.INSTALL_SUCCEEDED) { 11189 int loc = pkgLite.recommendedInstallLocation; 11190 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 11191 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11192 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 11193 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 11194 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 11195 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 11196 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 11197 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 11198 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 11199 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 11200 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 11201 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 11202 } else { 11203 // Override with defaults if needed. 11204 loc = installLocationPolicy(pkgLite); 11205 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 11206 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 11207 } else if (!onSd && !onInt) { 11208 // Override install location with flags 11209 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 11210 // Set the flag to install on external media. 11211 installFlags |= PackageManager.INSTALL_EXTERNAL; 11212 installFlags &= ~PackageManager.INSTALL_INTERNAL; 11213 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 11214 if (DEBUG_EPHEMERAL) { 11215 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 11216 } 11217 installFlags |= PackageManager.INSTALL_EPHEMERAL; 11218 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 11219 |PackageManager.INSTALL_INTERNAL); 11220 } else { 11221 // Make sure the flag for installing on external 11222 // media is unset 11223 installFlags |= PackageManager.INSTALL_INTERNAL; 11224 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 11225 } 11226 } 11227 } 11228 } 11229 11230 final InstallArgs args = createInstallArgs(this); 11231 mArgs = args; 11232 11233 if (ret == PackageManager.INSTALL_SUCCEEDED) { 11234 // TODO: http://b/22976637 11235 // Apps installed for "all" users use the device owner to verify the app 11236 UserHandle verifierUser = getUser(); 11237 if (verifierUser == UserHandle.ALL) { 11238 verifierUser = UserHandle.SYSTEM; 11239 } 11240 11241 /* 11242 * Determine if we have any installed package verifiers. If we 11243 * do, then we'll defer to them to verify the packages. 11244 */ 11245 final int requiredUid = mRequiredVerifierPackage == null ? -1 11246 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 11247 verifierUser.getIdentifier()); 11248 if (!origin.existing && requiredUid != -1 11249 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 11250 final Intent verification = new Intent( 11251 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 11252 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 11253 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 11254 PACKAGE_MIME_TYPE); 11255 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11256 11257 // Query all live verifiers based on current user state 11258 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 11259 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 11260 11261 if (DEBUG_VERIFY) { 11262 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 11263 + verification.toString() + " with " + pkgLite.verifiers.length 11264 + " optional verifiers"); 11265 } 11266 11267 final int verificationId = mPendingVerificationToken++; 11268 11269 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11270 11271 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 11272 installerPackageName); 11273 11274 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 11275 installFlags); 11276 11277 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 11278 pkgLite.packageName); 11279 11280 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 11281 pkgLite.versionCode); 11282 11283 if (verificationParams != null) { 11284 if (verificationParams.getVerificationURI() != null) { 11285 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 11286 verificationParams.getVerificationURI()); 11287 } 11288 if (verificationParams.getOriginatingURI() != null) { 11289 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 11290 verificationParams.getOriginatingURI()); 11291 } 11292 if (verificationParams.getReferrer() != null) { 11293 verification.putExtra(Intent.EXTRA_REFERRER, 11294 verificationParams.getReferrer()); 11295 } 11296 if (verificationParams.getOriginatingUid() >= 0) { 11297 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 11298 verificationParams.getOriginatingUid()); 11299 } 11300 if (verificationParams.getInstallerUid() >= 0) { 11301 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 11302 verificationParams.getInstallerUid()); 11303 } 11304 } 11305 11306 final PackageVerificationState verificationState = new PackageVerificationState( 11307 requiredUid, args); 11308 11309 mPendingVerification.append(verificationId, verificationState); 11310 11311 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 11312 receivers, verificationState); 11313 11314 /* 11315 * If any sufficient verifiers were listed in the package 11316 * manifest, attempt to ask them. 11317 */ 11318 if (sufficientVerifiers != null) { 11319 final int N = sufficientVerifiers.size(); 11320 if (N == 0) { 11321 Slog.i(TAG, "Additional verifiers required, but none installed."); 11322 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 11323 } else { 11324 for (int i = 0; i < N; i++) { 11325 final ComponentName verifierComponent = sufficientVerifiers.get(i); 11326 11327 final Intent sufficientIntent = new Intent(verification); 11328 sufficientIntent.setComponent(verifierComponent); 11329 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 11330 } 11331 } 11332 } 11333 11334 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 11335 mRequiredVerifierPackage, receivers); 11336 if (ret == PackageManager.INSTALL_SUCCEEDED 11337 && mRequiredVerifierPackage != null) { 11338 Trace.asyncTraceBegin( 11339 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 11340 /* 11341 * Send the intent to the required verification agent, 11342 * but only start the verification timeout after the 11343 * target BroadcastReceivers have run. 11344 */ 11345 verification.setComponent(requiredVerifierComponent); 11346 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 11347 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11348 new BroadcastReceiver() { 11349 @Override 11350 public void onReceive(Context context, Intent intent) { 11351 final Message msg = mHandler 11352 .obtainMessage(CHECK_PENDING_VERIFICATION); 11353 msg.arg1 = verificationId; 11354 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 11355 } 11356 }, null, 0, null, null); 11357 11358 /* 11359 * We don't want the copy to proceed until verification 11360 * succeeds, so null out this field. 11361 */ 11362 mArgs = null; 11363 } 11364 } else { 11365 /* 11366 * No package verification is enabled, so immediately start 11367 * the remote call to initiate copy using temporary file. 11368 */ 11369 ret = args.copyApk(mContainerService, true); 11370 } 11371 } 11372 11373 mRet = ret; 11374 } 11375 11376 @Override 11377 void handleReturnCode() { 11378 // If mArgs is null, then MCS couldn't be reached. When it 11379 // reconnects, it will try again to install. At that point, this 11380 // will succeed. 11381 if (mArgs != null) { 11382 processPendingInstall(mArgs, mRet); 11383 } 11384 } 11385 11386 @Override 11387 void handleServiceError() { 11388 mArgs = createInstallArgs(this); 11389 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11390 } 11391 11392 public boolean isForwardLocked() { 11393 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11394 } 11395 } 11396 11397 /** 11398 * Used during creation of InstallArgs 11399 * 11400 * @param installFlags package installation flags 11401 * @return true if should be installed on external storage 11402 */ 11403 private static boolean installOnExternalAsec(int installFlags) { 11404 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 11405 return false; 11406 } 11407 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 11408 return true; 11409 } 11410 return false; 11411 } 11412 11413 /** 11414 * Used during creation of InstallArgs 11415 * 11416 * @param installFlags package installation flags 11417 * @return true if should be installed as forward locked 11418 */ 11419 private static boolean installForwardLocked(int installFlags) { 11420 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11421 } 11422 11423 private InstallArgs createInstallArgs(InstallParams params) { 11424 if (params.move != null) { 11425 return new MoveInstallArgs(params); 11426 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 11427 return new AsecInstallArgs(params); 11428 } else { 11429 return new FileInstallArgs(params); 11430 } 11431 } 11432 11433 /** 11434 * Create args that describe an existing installed package. Typically used 11435 * when cleaning up old installs, or used as a move source. 11436 */ 11437 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 11438 String resourcePath, String[] instructionSets) { 11439 final boolean isInAsec; 11440 if (installOnExternalAsec(installFlags)) { 11441 /* Apps on SD card are always in ASEC containers. */ 11442 isInAsec = true; 11443 } else if (installForwardLocked(installFlags) 11444 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 11445 /* 11446 * Forward-locked apps are only in ASEC containers if they're the 11447 * new style 11448 */ 11449 isInAsec = true; 11450 } else { 11451 isInAsec = false; 11452 } 11453 11454 if (isInAsec) { 11455 return new AsecInstallArgs(codePath, instructionSets, 11456 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 11457 } else { 11458 return new FileInstallArgs(codePath, resourcePath, instructionSets); 11459 } 11460 } 11461 11462 static abstract class InstallArgs { 11463 /** @see InstallParams#origin */ 11464 final OriginInfo origin; 11465 /** @see InstallParams#move */ 11466 final MoveInfo move; 11467 11468 final IPackageInstallObserver2 observer; 11469 // Always refers to PackageManager flags only 11470 final int installFlags; 11471 final String installerPackageName; 11472 final String volumeUuid; 11473 final UserHandle user; 11474 final String abiOverride; 11475 final String[] installGrantPermissions; 11476 /** If non-null, drop an async trace when the install completes */ 11477 final String traceMethod; 11478 final int traceCookie; 11479 11480 // The list of instruction sets supported by this app. This is currently 11481 // only used during the rmdex() phase to clean up resources. We can get rid of this 11482 // if we move dex files under the common app path. 11483 /* nullable */ String[] instructionSets; 11484 11485 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 11486 int installFlags, String installerPackageName, String volumeUuid, 11487 UserHandle user, String[] instructionSets, 11488 String abiOverride, String[] installGrantPermissions, 11489 String traceMethod, int traceCookie) { 11490 this.origin = origin; 11491 this.move = move; 11492 this.installFlags = installFlags; 11493 this.observer = observer; 11494 this.installerPackageName = installerPackageName; 11495 this.volumeUuid = volumeUuid; 11496 this.user = user; 11497 this.instructionSets = instructionSets; 11498 this.abiOverride = abiOverride; 11499 this.installGrantPermissions = installGrantPermissions; 11500 this.traceMethod = traceMethod; 11501 this.traceCookie = traceCookie; 11502 } 11503 11504 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 11505 abstract int doPreInstall(int status); 11506 11507 /** 11508 * Rename package into final resting place. All paths on the given 11509 * scanned package should be updated to reflect the rename. 11510 */ 11511 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 11512 abstract int doPostInstall(int status, int uid); 11513 11514 /** @see PackageSettingBase#codePathString */ 11515 abstract String getCodePath(); 11516 /** @see PackageSettingBase#resourcePathString */ 11517 abstract String getResourcePath(); 11518 11519 // Need installer lock especially for dex file removal. 11520 abstract void cleanUpResourcesLI(); 11521 abstract boolean doPostDeleteLI(boolean delete); 11522 11523 /** 11524 * Called before the source arguments are copied. This is used mostly 11525 * for MoveParams when it needs to read the source file to put it in the 11526 * destination. 11527 */ 11528 int doPreCopy() { 11529 return PackageManager.INSTALL_SUCCEEDED; 11530 } 11531 11532 /** 11533 * Called after the source arguments are copied. This is used mostly for 11534 * MoveParams when it needs to read the source file to put it in the 11535 * destination. 11536 * 11537 * @return 11538 */ 11539 int doPostCopy(int uid) { 11540 return PackageManager.INSTALL_SUCCEEDED; 11541 } 11542 11543 protected boolean isFwdLocked() { 11544 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11545 } 11546 11547 protected boolean isExternalAsec() { 11548 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11549 } 11550 11551 protected boolean isEphemeral() { 11552 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 11553 } 11554 11555 UserHandle getUser() { 11556 return user; 11557 } 11558 } 11559 11560 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 11561 if (!allCodePaths.isEmpty()) { 11562 if (instructionSets == null) { 11563 throw new IllegalStateException("instructionSet == null"); 11564 } 11565 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 11566 for (String codePath : allCodePaths) { 11567 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 11568 try { 11569 mInstaller.rmdex(codePath, dexCodeInstructionSet); 11570 } catch (InstallerException ignored) { 11571 } 11572 } 11573 } 11574 } 11575 } 11576 11577 /** 11578 * Logic to handle installation of non-ASEC applications, including copying 11579 * and renaming logic. 11580 */ 11581 class FileInstallArgs extends InstallArgs { 11582 private File codeFile; 11583 private File resourceFile; 11584 11585 // Example topology: 11586 // /data/app/com.example/base.apk 11587 // /data/app/com.example/split_foo.apk 11588 // /data/app/com.example/lib/arm/libfoo.so 11589 // /data/app/com.example/lib/arm64/libfoo.so 11590 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 11591 11592 /** New install */ 11593 FileInstallArgs(InstallParams params) { 11594 super(params.origin, params.move, params.observer, params.installFlags, 11595 params.installerPackageName, params.volumeUuid, 11596 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11597 params.grantedRuntimePermissions, 11598 params.traceMethod, params.traceCookie); 11599 if (isFwdLocked()) { 11600 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 11601 } 11602 } 11603 11604 /** Existing install */ 11605 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 11606 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 11607 null, null, null, 0); 11608 this.codeFile = (codePath != null) ? new File(codePath) : null; 11609 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 11610 } 11611 11612 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11613 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 11614 try { 11615 return doCopyApk(imcs, temp); 11616 } finally { 11617 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11618 } 11619 } 11620 11621 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11622 if (origin.staged) { 11623 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 11624 codeFile = origin.file; 11625 resourceFile = origin.file; 11626 return PackageManager.INSTALL_SUCCEEDED; 11627 } 11628 11629 try { 11630 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 11631 final File tempDir = 11632 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 11633 codeFile = tempDir; 11634 resourceFile = tempDir; 11635 } catch (IOException e) { 11636 Slog.w(TAG, "Failed to create copy file: " + e); 11637 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 11638 } 11639 11640 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 11641 @Override 11642 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 11643 if (!FileUtils.isValidExtFilename(name)) { 11644 throw new IllegalArgumentException("Invalid filename: " + name); 11645 } 11646 try { 11647 final File file = new File(codeFile, name); 11648 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 11649 O_RDWR | O_CREAT, 0644); 11650 Os.chmod(file.getAbsolutePath(), 0644); 11651 return new ParcelFileDescriptor(fd); 11652 } catch (ErrnoException e) { 11653 throw new RemoteException("Failed to open: " + e.getMessage()); 11654 } 11655 } 11656 }; 11657 11658 int ret = PackageManager.INSTALL_SUCCEEDED; 11659 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 11660 if (ret != PackageManager.INSTALL_SUCCEEDED) { 11661 Slog.e(TAG, "Failed to copy package"); 11662 return ret; 11663 } 11664 11665 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 11666 NativeLibraryHelper.Handle handle = null; 11667 try { 11668 handle = NativeLibraryHelper.Handle.create(codeFile); 11669 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 11670 abiOverride); 11671 } catch (IOException e) { 11672 Slog.e(TAG, "Copying native libraries failed", e); 11673 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11674 } finally { 11675 IoUtils.closeQuietly(handle); 11676 } 11677 11678 return ret; 11679 } 11680 11681 int doPreInstall(int status) { 11682 if (status != PackageManager.INSTALL_SUCCEEDED) { 11683 cleanUp(); 11684 } 11685 return status; 11686 } 11687 11688 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11689 if (status != PackageManager.INSTALL_SUCCEEDED) { 11690 cleanUp(); 11691 return false; 11692 } 11693 11694 final File targetDir = codeFile.getParentFile(); 11695 final File beforeCodeFile = codeFile; 11696 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 11697 11698 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 11699 try { 11700 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 11701 } catch (ErrnoException e) { 11702 Slog.w(TAG, "Failed to rename", e); 11703 return false; 11704 } 11705 11706 if (!SELinux.restoreconRecursive(afterCodeFile)) { 11707 Slog.w(TAG, "Failed to restorecon"); 11708 return false; 11709 } 11710 11711 // Reflect the rename internally 11712 codeFile = afterCodeFile; 11713 resourceFile = afterCodeFile; 11714 11715 // Reflect the rename in scanned details 11716 pkg.codePath = afterCodeFile.getAbsolutePath(); 11717 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11718 pkg.baseCodePath); 11719 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11720 pkg.splitCodePaths); 11721 11722 // Reflect the rename in app info 11723 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11724 pkg.applicationInfo.setCodePath(pkg.codePath); 11725 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11726 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11727 pkg.applicationInfo.setResourcePath(pkg.codePath); 11728 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11729 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11730 11731 return true; 11732 } 11733 11734 int doPostInstall(int status, int uid) { 11735 if (status != PackageManager.INSTALL_SUCCEEDED) { 11736 cleanUp(); 11737 } 11738 return status; 11739 } 11740 11741 @Override 11742 String getCodePath() { 11743 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 11744 } 11745 11746 @Override 11747 String getResourcePath() { 11748 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 11749 } 11750 11751 private boolean cleanUp() { 11752 if (codeFile == null || !codeFile.exists()) { 11753 return false; 11754 } 11755 11756 removeCodePathLI(codeFile); 11757 11758 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 11759 resourceFile.delete(); 11760 } 11761 11762 return true; 11763 } 11764 11765 void cleanUpResourcesLI() { 11766 // Try enumerating all code paths before deleting 11767 List<String> allCodePaths = Collections.EMPTY_LIST; 11768 if (codeFile != null && codeFile.exists()) { 11769 try { 11770 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 11771 allCodePaths = pkg.getAllCodePaths(); 11772 } catch (PackageParserException e) { 11773 // Ignored; we tried our best 11774 } 11775 } 11776 11777 cleanUp(); 11778 removeDexFiles(allCodePaths, instructionSets); 11779 } 11780 11781 boolean doPostDeleteLI(boolean delete) { 11782 // XXX err, shouldn't we respect the delete flag? 11783 cleanUpResourcesLI(); 11784 return true; 11785 } 11786 } 11787 11788 private boolean isAsecExternal(String cid) { 11789 final String asecPath = PackageHelper.getSdFilesystem(cid); 11790 return !asecPath.startsWith(mAsecInternalPath); 11791 } 11792 11793 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 11794 PackageManagerException { 11795 if (copyRet < 0) { 11796 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 11797 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 11798 throw new PackageManagerException(copyRet, message); 11799 } 11800 } 11801 } 11802 11803 /** 11804 * Extract the MountService "container ID" from the full code path of an 11805 * .apk. 11806 */ 11807 static String cidFromCodePath(String fullCodePath) { 11808 int eidx = fullCodePath.lastIndexOf("/"); 11809 String subStr1 = fullCodePath.substring(0, eidx); 11810 int sidx = subStr1.lastIndexOf("/"); 11811 return subStr1.substring(sidx+1, eidx); 11812 } 11813 11814 /** 11815 * Logic to handle installation of ASEC applications, including copying and 11816 * renaming logic. 11817 */ 11818 class AsecInstallArgs extends InstallArgs { 11819 static final String RES_FILE_NAME = "pkg.apk"; 11820 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 11821 11822 String cid; 11823 String packagePath; 11824 String resourcePath; 11825 11826 /** New install */ 11827 AsecInstallArgs(InstallParams params) { 11828 super(params.origin, params.move, params.observer, params.installFlags, 11829 params.installerPackageName, params.volumeUuid, 11830 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11831 params.grantedRuntimePermissions, 11832 params.traceMethod, params.traceCookie); 11833 } 11834 11835 /** Existing install */ 11836 AsecInstallArgs(String fullCodePath, String[] instructionSets, 11837 boolean isExternal, boolean isForwardLocked) { 11838 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 11839 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 11840 instructionSets, null, null, null, 0); 11841 // Hackily pretend we're still looking at a full code path 11842 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 11843 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 11844 } 11845 11846 // Extract cid from fullCodePath 11847 int eidx = fullCodePath.lastIndexOf("/"); 11848 String subStr1 = fullCodePath.substring(0, eidx); 11849 int sidx = subStr1.lastIndexOf("/"); 11850 cid = subStr1.substring(sidx+1, eidx); 11851 setMountPath(subStr1); 11852 } 11853 11854 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 11855 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 11856 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 11857 instructionSets, null, null, null, 0); 11858 this.cid = cid; 11859 setMountPath(PackageHelper.getSdDir(cid)); 11860 } 11861 11862 void createCopyFile() { 11863 cid = mInstallerService.allocateExternalStageCidLegacy(); 11864 } 11865 11866 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11867 if (origin.staged && origin.cid != null) { 11868 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 11869 cid = origin.cid; 11870 setMountPath(PackageHelper.getSdDir(cid)); 11871 return PackageManager.INSTALL_SUCCEEDED; 11872 } 11873 11874 if (temp) { 11875 createCopyFile(); 11876 } else { 11877 /* 11878 * Pre-emptively destroy the container since it's destroyed if 11879 * copying fails due to it existing anyway. 11880 */ 11881 PackageHelper.destroySdDir(cid); 11882 } 11883 11884 final String newMountPath = imcs.copyPackageToContainer( 11885 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 11886 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 11887 11888 if (newMountPath != null) { 11889 setMountPath(newMountPath); 11890 return PackageManager.INSTALL_SUCCEEDED; 11891 } else { 11892 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11893 } 11894 } 11895 11896 @Override 11897 String getCodePath() { 11898 return packagePath; 11899 } 11900 11901 @Override 11902 String getResourcePath() { 11903 return resourcePath; 11904 } 11905 11906 int doPreInstall(int status) { 11907 if (status != PackageManager.INSTALL_SUCCEEDED) { 11908 // Destroy container 11909 PackageHelper.destroySdDir(cid); 11910 } else { 11911 boolean mounted = PackageHelper.isContainerMounted(cid); 11912 if (!mounted) { 11913 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 11914 Process.SYSTEM_UID); 11915 if (newMountPath != null) { 11916 setMountPath(newMountPath); 11917 } else { 11918 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11919 } 11920 } 11921 } 11922 return status; 11923 } 11924 11925 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11926 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 11927 String newMountPath = null; 11928 if (PackageHelper.isContainerMounted(cid)) { 11929 // Unmount the container 11930 if (!PackageHelper.unMountSdDir(cid)) { 11931 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 11932 return false; 11933 } 11934 } 11935 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 11936 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 11937 " which might be stale. Will try to clean up."); 11938 // Clean up the stale container and proceed to recreate. 11939 if (!PackageHelper.destroySdDir(newCacheId)) { 11940 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 11941 return false; 11942 } 11943 // Successfully cleaned up stale container. Try to rename again. 11944 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 11945 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 11946 + " inspite of cleaning it up."); 11947 return false; 11948 } 11949 } 11950 if (!PackageHelper.isContainerMounted(newCacheId)) { 11951 Slog.w(TAG, "Mounting container " + newCacheId); 11952 newMountPath = PackageHelper.mountSdDir(newCacheId, 11953 getEncryptKey(), Process.SYSTEM_UID); 11954 } else { 11955 newMountPath = PackageHelper.getSdDir(newCacheId); 11956 } 11957 if (newMountPath == null) { 11958 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 11959 return false; 11960 } 11961 Log.i(TAG, "Succesfully renamed " + cid + 11962 " to " + newCacheId + 11963 " at new path: " + newMountPath); 11964 cid = newCacheId; 11965 11966 final File beforeCodeFile = new File(packagePath); 11967 setMountPath(newMountPath); 11968 final File afterCodeFile = new File(packagePath); 11969 11970 // Reflect the rename in scanned details 11971 pkg.codePath = afterCodeFile.getAbsolutePath(); 11972 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11973 pkg.baseCodePath); 11974 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11975 pkg.splitCodePaths); 11976 11977 // Reflect the rename in app info 11978 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11979 pkg.applicationInfo.setCodePath(pkg.codePath); 11980 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11981 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11982 pkg.applicationInfo.setResourcePath(pkg.codePath); 11983 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11984 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11985 11986 return true; 11987 } 11988 11989 private void setMountPath(String mountPath) { 11990 final File mountFile = new File(mountPath); 11991 11992 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 11993 if (monolithicFile.exists()) { 11994 packagePath = monolithicFile.getAbsolutePath(); 11995 if (isFwdLocked()) { 11996 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 11997 } else { 11998 resourcePath = packagePath; 11999 } 12000 } else { 12001 packagePath = mountFile.getAbsolutePath(); 12002 resourcePath = packagePath; 12003 } 12004 } 12005 12006 int doPostInstall(int status, int uid) { 12007 if (status != PackageManager.INSTALL_SUCCEEDED) { 12008 cleanUp(); 12009 } else { 12010 final int groupOwner; 12011 final String protectedFile; 12012 if (isFwdLocked()) { 12013 groupOwner = UserHandle.getSharedAppGid(uid); 12014 protectedFile = RES_FILE_NAME; 12015 } else { 12016 groupOwner = -1; 12017 protectedFile = null; 12018 } 12019 12020 if (uid < Process.FIRST_APPLICATION_UID 12021 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 12022 Slog.e(TAG, "Failed to finalize " + cid); 12023 PackageHelper.destroySdDir(cid); 12024 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12025 } 12026 12027 boolean mounted = PackageHelper.isContainerMounted(cid); 12028 if (!mounted) { 12029 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 12030 } 12031 } 12032 return status; 12033 } 12034 12035 private void cleanUp() { 12036 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 12037 12038 // Destroy secure container 12039 PackageHelper.destroySdDir(cid); 12040 } 12041 12042 private List<String> getAllCodePaths() { 12043 final File codeFile = new File(getCodePath()); 12044 if (codeFile != null && codeFile.exists()) { 12045 try { 12046 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 12047 return pkg.getAllCodePaths(); 12048 } catch (PackageParserException e) { 12049 // Ignored; we tried our best 12050 } 12051 } 12052 return Collections.EMPTY_LIST; 12053 } 12054 12055 void cleanUpResourcesLI() { 12056 // Enumerate all code paths before deleting 12057 cleanUpResourcesLI(getAllCodePaths()); 12058 } 12059 12060 private void cleanUpResourcesLI(List<String> allCodePaths) { 12061 cleanUp(); 12062 removeDexFiles(allCodePaths, instructionSets); 12063 } 12064 12065 String getPackageName() { 12066 return getAsecPackageName(cid); 12067 } 12068 12069 boolean doPostDeleteLI(boolean delete) { 12070 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 12071 final List<String> allCodePaths = getAllCodePaths(); 12072 boolean mounted = PackageHelper.isContainerMounted(cid); 12073 if (mounted) { 12074 // Unmount first 12075 if (PackageHelper.unMountSdDir(cid)) { 12076 mounted = false; 12077 } 12078 } 12079 if (!mounted && delete) { 12080 cleanUpResourcesLI(allCodePaths); 12081 } 12082 return !mounted; 12083 } 12084 12085 @Override 12086 int doPreCopy() { 12087 if (isFwdLocked()) { 12088 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 12089 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 12090 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12091 } 12092 } 12093 12094 return PackageManager.INSTALL_SUCCEEDED; 12095 } 12096 12097 @Override 12098 int doPostCopy(int uid) { 12099 if (isFwdLocked()) { 12100 if (uid < Process.FIRST_APPLICATION_UID 12101 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 12102 RES_FILE_NAME)) { 12103 Slog.e(TAG, "Failed to finalize " + cid); 12104 PackageHelper.destroySdDir(cid); 12105 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12106 } 12107 } 12108 12109 return PackageManager.INSTALL_SUCCEEDED; 12110 } 12111 } 12112 12113 /** 12114 * Logic to handle movement of existing installed applications. 12115 */ 12116 class MoveInstallArgs extends InstallArgs { 12117 private File codeFile; 12118 private File resourceFile; 12119 12120 /** New install */ 12121 MoveInstallArgs(InstallParams params) { 12122 super(params.origin, params.move, params.observer, params.installFlags, 12123 params.installerPackageName, params.volumeUuid, 12124 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 12125 params.grantedRuntimePermissions, 12126 params.traceMethod, params.traceCookie); 12127 } 12128 12129 int copyApk(IMediaContainerService imcs, boolean temp) { 12130 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 12131 + move.fromUuid + " to " + move.toUuid); 12132 synchronized (mInstaller) { 12133 try { 12134 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 12135 move.dataAppName, move.appId, move.seinfo); 12136 } catch (InstallerException e) { 12137 Slog.w(TAG, "Failed to move app", e); 12138 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12139 } 12140 } 12141 12142 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 12143 resourceFile = codeFile; 12144 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 12145 12146 return PackageManager.INSTALL_SUCCEEDED; 12147 } 12148 12149 int doPreInstall(int status) { 12150 if (status != PackageManager.INSTALL_SUCCEEDED) { 12151 cleanUp(move.toUuid); 12152 } 12153 return status; 12154 } 12155 12156 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12157 if (status != PackageManager.INSTALL_SUCCEEDED) { 12158 cleanUp(move.toUuid); 12159 return false; 12160 } 12161 12162 // Reflect the move in app info 12163 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 12164 pkg.applicationInfo.setCodePath(pkg.codePath); 12165 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 12166 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 12167 pkg.applicationInfo.setResourcePath(pkg.codePath); 12168 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 12169 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 12170 12171 return true; 12172 } 12173 12174 int doPostInstall(int status, int uid) { 12175 if (status == PackageManager.INSTALL_SUCCEEDED) { 12176 cleanUp(move.fromUuid); 12177 } else { 12178 cleanUp(move.toUuid); 12179 } 12180 return status; 12181 } 12182 12183 @Override 12184 String getCodePath() { 12185 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 12186 } 12187 12188 @Override 12189 String getResourcePath() { 12190 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 12191 } 12192 12193 private boolean cleanUp(String volumeUuid) { 12194 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 12195 move.dataAppName); 12196 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 12197 synchronized (mInstallLock) { 12198 // Clean up both app data and code 12199 removeDataDirsLI(volumeUuid, move.packageName); 12200 removeCodePathLI(codeFile); 12201 } 12202 return true; 12203 } 12204 12205 void cleanUpResourcesLI() { 12206 throw new UnsupportedOperationException(); 12207 } 12208 12209 boolean doPostDeleteLI(boolean delete) { 12210 throw new UnsupportedOperationException(); 12211 } 12212 } 12213 12214 static String getAsecPackageName(String packageCid) { 12215 int idx = packageCid.lastIndexOf("-"); 12216 if (idx == -1) { 12217 return packageCid; 12218 } 12219 return packageCid.substring(0, idx); 12220 } 12221 12222 // Utility method used to create code paths based on package name and available index. 12223 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 12224 String idxStr = ""; 12225 int idx = 1; 12226 // Fall back to default value of idx=1 if prefix is not 12227 // part of oldCodePath 12228 if (oldCodePath != null) { 12229 String subStr = oldCodePath; 12230 // Drop the suffix right away 12231 if (suffix != null && subStr.endsWith(suffix)) { 12232 subStr = subStr.substring(0, subStr.length() - suffix.length()); 12233 } 12234 // If oldCodePath already contains prefix find out the 12235 // ending index to either increment or decrement. 12236 int sidx = subStr.lastIndexOf(prefix); 12237 if (sidx != -1) { 12238 subStr = subStr.substring(sidx + prefix.length()); 12239 if (subStr != null) { 12240 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 12241 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 12242 } 12243 try { 12244 idx = Integer.parseInt(subStr); 12245 if (idx <= 1) { 12246 idx++; 12247 } else { 12248 idx--; 12249 } 12250 } catch(NumberFormatException e) { 12251 } 12252 } 12253 } 12254 } 12255 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 12256 return prefix + idxStr; 12257 } 12258 12259 private File getNextCodePath(File targetDir, String packageName) { 12260 int suffix = 1; 12261 File result; 12262 do { 12263 result = new File(targetDir, packageName + "-" + suffix); 12264 suffix++; 12265 } while (result.exists()); 12266 return result; 12267 } 12268 12269 // Utility method that returns the relative package path with respect 12270 // to the installation directory. Like say for /data/data/com.test-1.apk 12271 // string com.test-1 is returned. 12272 static String deriveCodePathName(String codePath) { 12273 if (codePath == null) { 12274 return null; 12275 } 12276 final File codeFile = new File(codePath); 12277 final String name = codeFile.getName(); 12278 if (codeFile.isDirectory()) { 12279 return name; 12280 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 12281 final int lastDot = name.lastIndexOf('.'); 12282 return name.substring(0, lastDot); 12283 } else { 12284 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 12285 return null; 12286 } 12287 } 12288 12289 static class PackageInstalledInfo { 12290 String name; 12291 int uid; 12292 // The set of users that originally had this package installed. 12293 int[] origUsers; 12294 // The set of users that now have this package installed. 12295 int[] newUsers; 12296 PackageParser.Package pkg; 12297 int returnCode; 12298 String returnMsg; 12299 PackageRemovedInfo removedInfo; 12300 12301 public void setError(int code, String msg) { 12302 returnCode = code; 12303 returnMsg = msg; 12304 Slog.w(TAG, msg); 12305 } 12306 12307 public void setError(String msg, PackageParserException e) { 12308 returnCode = e.error; 12309 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 12310 Slog.w(TAG, msg, e); 12311 } 12312 12313 public void setError(String msg, PackageManagerException e) { 12314 returnCode = e.error; 12315 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 12316 Slog.w(TAG, msg, e); 12317 } 12318 12319 // In some error cases we want to convey more info back to the observer 12320 String origPackage; 12321 String origPermission; 12322 } 12323 12324 /* 12325 * Install a non-existing package. 12326 */ 12327 private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 12328 UserHandle user, String installerPackageName, String volumeUuid, 12329 PackageInstalledInfo res) { 12330 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 12331 12332 // Remember this for later, in case we need to rollback this install 12333 String pkgName = pkg.packageName; 12334 12335 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 12336 // TODO: b/23350563 12337 final boolean dataDirExists = Environment 12338 .getDataUserPackageDirectory(volumeUuid, UserHandle.USER_SYSTEM, pkgName).exists(); 12339 12340 synchronized(mPackages) { 12341 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 12342 // A package with the same name is already installed, though 12343 // it has been renamed to an older name. The package we 12344 // are trying to install should be installed as an update to 12345 // the existing one, but that has not been requested, so bail. 12346 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 12347 + " without first uninstalling package running as " 12348 + mSettings.mRenamedPackages.get(pkgName)); 12349 return; 12350 } 12351 if (mPackages.containsKey(pkgName)) { 12352 // Don't allow installation over an existing package with the same name. 12353 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 12354 + " without first uninstalling."); 12355 return; 12356 } 12357 } 12358 12359 try { 12360 PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 12361 System.currentTimeMillis(), user); 12362 12363 updateSettingsLI(newPackage, installerPackageName, volumeUuid, null, null, res, user); 12364 // delete the partially installed application. the data directory will have to be 12365 // restored if it was already existing 12366 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12367 // remove package from internal structures. Note that we want deletePackageX to 12368 // delete the package data and cache directories that it created in 12369 // scanPackageLocked, unless those directories existed before we even tried to 12370 // install. 12371 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 12372 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 12373 res.removedInfo, true); 12374 } 12375 12376 } catch (PackageManagerException e) { 12377 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12378 } 12379 12380 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12381 } 12382 12383 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 12384 // Can't rotate keys during boot or if sharedUser. 12385 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 12386 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 12387 return false; 12388 } 12389 // app is using upgradeKeySets; make sure all are valid 12390 KeySetManagerService ksms = mSettings.mKeySetManagerService; 12391 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 12392 for (int i = 0; i < upgradeKeySets.length; i++) { 12393 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 12394 Slog.wtf(TAG, "Package " 12395 + (oldPs.name != null ? oldPs.name : "<null>") 12396 + " contains upgrade-key-set reference to unknown key-set: " 12397 + upgradeKeySets[i] 12398 + " reverting to signatures check."); 12399 return false; 12400 } 12401 } 12402 return true; 12403 } 12404 12405 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 12406 // Upgrade keysets are being used. Determine if new package has a superset of the 12407 // required keys. 12408 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 12409 KeySetManagerService ksms = mSettings.mKeySetManagerService; 12410 for (int i = 0; i < upgradeKeySets.length; i++) { 12411 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 12412 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 12413 return true; 12414 } 12415 } 12416 return false; 12417 } 12418 12419 private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 12420 UserHandle user, String installerPackageName, String volumeUuid, 12421 PackageInstalledInfo res) { 12422 final boolean isEphemeral = (parseFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 12423 12424 final PackageParser.Package oldPackage; 12425 final String pkgName = pkg.packageName; 12426 final int[] allUsers; 12427 final boolean[] perUserInstalled; 12428 12429 // First find the old package info and check signatures 12430 synchronized(mPackages) { 12431 oldPackage = mPackages.get(pkgName); 12432 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 12433 if (isEphemeral && !oldIsEphemeral) { 12434 // can't downgrade from full to ephemeral 12435 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 12436 res.returnCode = PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 12437 return; 12438 } 12439 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 12440 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12441 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 12442 if(!checkUpgradeKeySetLP(ps, pkg)) { 12443 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 12444 "New package not signed by keys specified by upgrade-keysets: " 12445 + pkgName); 12446 return; 12447 } 12448 } else { 12449 // default to original signature matching 12450 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 12451 != PackageManager.SIGNATURE_MATCH) { 12452 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 12453 "New package has a different signature: " + pkgName); 12454 return; 12455 } 12456 } 12457 12458 // In case of rollback, remember per-user/profile install state 12459 allUsers = sUserManager.getUserIds(); 12460 perUserInstalled = new boolean[allUsers.length]; 12461 for (int i = 0; i < allUsers.length; i++) { 12462 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 12463 } 12464 } 12465 12466 boolean sysPkg = (isSystemApp(oldPackage)); 12467 if (sysPkg) { 12468 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 12469 user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res); 12470 } else { 12471 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 12472 user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res); 12473 } 12474 } 12475 12476 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 12477 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 12478 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 12479 String volumeUuid, PackageInstalledInfo res) { 12480 String pkgName = deletedPackage.packageName; 12481 boolean deletedPkg = true; 12482 boolean updatedSettings = false; 12483 12484 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 12485 + deletedPackage); 12486 long origUpdateTime; 12487 if (pkg.mExtras != null) { 12488 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 12489 } else { 12490 origUpdateTime = 0; 12491 } 12492 12493 // First delete the existing package while retaining the data directory 12494 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 12495 res.removedInfo, true)) { 12496 // If the existing package wasn't successfully deleted 12497 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 12498 deletedPkg = false; 12499 } else { 12500 // Successfully deleted the old package; proceed with replace. 12501 12502 // If deleted package lived in a container, give users a chance to 12503 // relinquish resources before killing. 12504 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 12505 if (DEBUG_INSTALL) { 12506 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 12507 } 12508 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 12509 final ArrayList<String> pkgList = new ArrayList<String>(1); 12510 pkgList.add(deletedPackage.applicationInfo.packageName); 12511 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 12512 } 12513 12514 deleteCodeCacheDirsLI(pkg.volumeUuid, pkgName); 12515 try { 12516 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, 12517 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 12518 updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers, 12519 perUserInstalled, res, user); 12520 updatedSettings = true; 12521 } catch (PackageManagerException e) { 12522 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12523 } 12524 } 12525 12526 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12527 // remove package from internal structures. Note that we want deletePackageX to 12528 // delete the package data and cache directories that it created in 12529 // scanPackageLocked, unless those directories existed before we even tried to 12530 // install. 12531 if(updatedSettings) { 12532 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 12533 deletePackageLI( 12534 pkgName, null, true, allUsers, perUserInstalled, 12535 PackageManager.DELETE_KEEP_DATA, 12536 res.removedInfo, true); 12537 } 12538 // Since we failed to install the new package we need to restore the old 12539 // package that we deleted. 12540 if (deletedPkg) { 12541 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 12542 File restoreFile = new File(deletedPackage.codePath); 12543 // Parse old package 12544 boolean oldExternal = isExternal(deletedPackage); 12545 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 12546 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 12547 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 12548 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 12549 try { 12550 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 12551 null); 12552 } catch (PackageManagerException e) { 12553 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 12554 + e.getMessage()); 12555 return; 12556 } 12557 // Restore of old package succeeded. Update permissions. 12558 // writer 12559 synchronized (mPackages) { 12560 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 12561 UPDATE_PERMISSIONS_ALL); 12562 // can downgrade to reader 12563 mSettings.writeLPr(); 12564 } 12565 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 12566 } 12567 } 12568 } 12569 12570 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 12571 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 12572 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 12573 String volumeUuid, PackageInstalledInfo res) { 12574 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 12575 + ", old=" + deletedPackage); 12576 boolean disabledSystem = false; 12577 boolean updatedSettings = false; 12578 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 12579 if ((deletedPackage.applicationInfo.privateFlags&ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 12580 != 0) { 12581 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 12582 } 12583 String packageName = deletedPackage.packageName; 12584 if (packageName == null) { 12585 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 12586 "Attempt to delete null packageName."); 12587 return; 12588 } 12589 PackageParser.Package oldPkg; 12590 PackageSetting oldPkgSetting; 12591 // reader 12592 synchronized (mPackages) { 12593 oldPkg = mPackages.get(packageName); 12594 oldPkgSetting = mSettings.mPackages.get(packageName); 12595 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 12596 (oldPkgSetting == null)) { 12597 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 12598 "Couldn't find package " + packageName + " information"); 12599 return; 12600 } 12601 } 12602 12603 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 12604 12605 res.removedInfo.uid = oldPkg.applicationInfo.uid; 12606 res.removedInfo.removedPackage = packageName; 12607 // Remove existing system package 12608 removePackageLI(oldPkgSetting, true); 12609 // writer 12610 synchronized (mPackages) { 12611 disabledSystem = mSettings.disableSystemPackageLPw(packageName); 12612 if (!disabledSystem && deletedPackage != null) { 12613 // We didn't need to disable the .apk as a current system package, 12614 // which means we are replacing another update that is already 12615 // installed. We need to make sure to delete the older one's .apk. 12616 res.removedInfo.args = createInstallArgsForExisting(0, 12617 deletedPackage.applicationInfo.getCodePath(), 12618 deletedPackage.applicationInfo.getResourcePath(), 12619 getAppDexInstructionSets(deletedPackage.applicationInfo)); 12620 } else { 12621 res.removedInfo.args = null; 12622 } 12623 } 12624 12625 // Successfully disabled the old package. Now proceed with re-installation 12626 deleteCodeCacheDirsLI(pkg.volumeUuid, packageName); 12627 12628 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12629 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 12630 12631 PackageParser.Package newPackage = null; 12632 try { 12633 newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 0, user); 12634 if (newPackage.mExtras != null) { 12635 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 12636 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 12637 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 12638 12639 // is the update attempting to change shared user? that isn't going to work... 12640 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 12641 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 12642 "Forbidding shared user change from " + oldPkgSetting.sharedUser 12643 + " to " + newPkgSetting.sharedUser); 12644 updatedSettings = true; 12645 } 12646 } 12647 12648 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12649 updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers, 12650 perUserInstalled, res, user); 12651 updatedSettings = true; 12652 } 12653 12654 } catch (PackageManagerException e) { 12655 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12656 } 12657 12658 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12659 // Re installation failed. Restore old information 12660 // Remove new pkg information 12661 if (newPackage != null) { 12662 removeInstalledPackageLI(newPackage, true); 12663 } 12664 // Add back the old system package 12665 try { 12666 scanPackageTracedLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 12667 } catch (PackageManagerException e) { 12668 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 12669 } 12670 // Restore the old system information in Settings 12671 synchronized (mPackages) { 12672 if (disabledSystem) { 12673 mSettings.enableSystemPackageLPw(packageName); 12674 } 12675 if (updatedSettings) { 12676 mSettings.setInstallerPackageName(packageName, 12677 oldPkgSetting.installerPackageName); 12678 } 12679 mSettings.writeLPr(); 12680 } 12681 } 12682 } 12683 12684 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 12685 // Collect all used permissions in the UID 12686 ArraySet<String> usedPermissions = new ArraySet<>(); 12687 final int packageCount = su.packages.size(); 12688 for (int i = 0; i < packageCount; i++) { 12689 PackageSetting ps = su.packages.valueAt(i); 12690 if (ps.pkg == null) { 12691 continue; 12692 } 12693 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 12694 for (int j = 0; j < requestedPermCount; j++) { 12695 String permission = ps.pkg.requestedPermissions.get(j); 12696 BasePermission bp = mSettings.mPermissions.get(permission); 12697 if (bp != null) { 12698 usedPermissions.add(permission); 12699 } 12700 } 12701 } 12702 12703 PermissionsState permissionsState = su.getPermissionsState(); 12704 // Prune install permissions 12705 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 12706 final int installPermCount = installPermStates.size(); 12707 for (int i = installPermCount - 1; i >= 0; i--) { 12708 PermissionState permissionState = installPermStates.get(i); 12709 if (!usedPermissions.contains(permissionState.getName())) { 12710 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 12711 if (bp != null) { 12712 permissionsState.revokeInstallPermission(bp); 12713 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 12714 PackageManager.MASK_PERMISSION_FLAGS, 0); 12715 } 12716 } 12717 } 12718 12719 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 12720 12721 // Prune runtime permissions 12722 for (int userId : allUserIds) { 12723 List<PermissionState> runtimePermStates = permissionsState 12724 .getRuntimePermissionStates(userId); 12725 final int runtimePermCount = runtimePermStates.size(); 12726 for (int i = runtimePermCount - 1; i >= 0; i--) { 12727 PermissionState permissionState = runtimePermStates.get(i); 12728 if (!usedPermissions.contains(permissionState.getName())) { 12729 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 12730 if (bp != null) { 12731 permissionsState.revokeRuntimePermission(bp, userId); 12732 permissionsState.updatePermissionFlags(bp, userId, 12733 PackageManager.MASK_PERMISSION_FLAGS, 0); 12734 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 12735 runtimePermissionChangedUserIds, userId); 12736 } 12737 } 12738 } 12739 } 12740 12741 return runtimePermissionChangedUserIds; 12742 } 12743 12744 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 12745 String volumeUuid, int[] allUsers, boolean[] perUserInstalled, PackageInstalledInfo res, 12746 UserHandle user) { 12747 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 12748 12749 String pkgName = newPackage.packageName; 12750 synchronized (mPackages) { 12751 //write settings. the installStatus will be incomplete at this stage. 12752 //note that the new package setting would have already been 12753 //added to mPackages. It hasn't been persisted yet. 12754 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 12755 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 12756 mSettings.writeLPr(); 12757 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12758 } 12759 12760 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 12761 synchronized (mPackages) { 12762 updatePermissionsLPw(newPackage.packageName, newPackage, 12763 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 12764 ? UPDATE_PERMISSIONS_ALL : 0)); 12765 // For system-bundled packages, we assume that installing an upgraded version 12766 // of the package implies that the user actually wants to run that new code, 12767 // so we enable the package. 12768 PackageSetting ps = mSettings.mPackages.get(pkgName); 12769 if (ps != null) { 12770 if (isSystemApp(newPackage)) { 12771 // NB: implicit assumption that system package upgrades apply to all users 12772 if (DEBUG_INSTALL) { 12773 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 12774 } 12775 if (res.origUsers != null) { 12776 for (int userHandle : res.origUsers) { 12777 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 12778 userHandle, installerPackageName); 12779 } 12780 } 12781 // Also convey the prior install/uninstall state 12782 if (allUsers != null && perUserInstalled != null) { 12783 for (int i = 0; i < allUsers.length; i++) { 12784 if (DEBUG_INSTALL) { 12785 Slog.d(TAG, " user " + allUsers[i] 12786 + " => " + perUserInstalled[i]); 12787 } 12788 ps.setInstalled(perUserInstalled[i], allUsers[i]); 12789 } 12790 // these install state changes will be persisted in the 12791 // upcoming call to mSettings.writeLPr(). 12792 } 12793 } 12794 // It's implied that when a user requests installation, they want the app to be 12795 // installed and enabled. 12796 int userId = user.getIdentifier(); 12797 if (userId != UserHandle.USER_ALL) { 12798 ps.setInstalled(true, userId); 12799 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 12800 } 12801 } 12802 res.name = pkgName; 12803 res.uid = newPackage.applicationInfo.uid; 12804 res.pkg = newPackage; 12805 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 12806 mSettings.setInstallerPackageName(pkgName, installerPackageName); 12807 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12808 //to update install status 12809 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 12810 mSettings.writeLPr(); 12811 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12812 } 12813 12814 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12815 } 12816 12817 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 12818 try { 12819 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 12820 installPackageLI(args, res); 12821 } finally { 12822 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12823 } 12824 } 12825 12826 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 12827 final int installFlags = args.installFlags; 12828 final String installerPackageName = args.installerPackageName; 12829 final String volumeUuid = args.volumeUuid; 12830 final File tmpPackageFile = new File(args.getCodePath()); 12831 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 12832 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 12833 || (args.volumeUuid != null)); 12834 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 12835 boolean replace = false; 12836 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 12837 if (args.move != null) { 12838 // moving a complete application; perfom an initial scan on the new install location 12839 scanFlags |= SCAN_INITIAL; 12840 } 12841 // Result object to be returned 12842 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12843 12844 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 12845 12846 // Sanity check 12847 if (ephemeral && (forwardLocked || onExternal)) { 12848 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 12849 + " external=" + onExternal); 12850 res.returnCode = PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 12851 return; 12852 } 12853 12854 // Retrieve PackageSettings and parse package 12855 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 12856 | PackageParser.PARSE_ENFORCE_CODE 12857 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 12858 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 12859 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0); 12860 PackageParser pp = new PackageParser(); 12861 pp.setSeparateProcesses(mSeparateProcesses); 12862 pp.setDisplayMetrics(mMetrics); 12863 12864 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 12865 final PackageParser.Package pkg; 12866 try { 12867 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 12868 } catch (PackageParserException e) { 12869 res.setError("Failed parse during installPackageLI", e); 12870 return; 12871 } finally { 12872 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12873 } 12874 12875 // Mark that we have an install time CPU ABI override. 12876 pkg.cpuAbiOverride = args.abiOverride; 12877 12878 String pkgName = res.name = pkg.packageName; 12879 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 12880 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 12881 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 12882 return; 12883 } 12884 } 12885 12886 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 12887 try { 12888 pp.collectCertificates(pkg, parseFlags); 12889 } catch (PackageParserException e) { 12890 res.setError("Failed collect during installPackageLI", e); 12891 return; 12892 } finally { 12893 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12894 } 12895 12896 // Get rid of all references to package scan path via parser. 12897 pp = null; 12898 String oldCodePath = null; 12899 boolean systemApp = false; 12900 synchronized (mPackages) { 12901 // Check if installing already existing package 12902 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12903 String oldName = mSettings.mRenamedPackages.get(pkgName); 12904 if (pkg.mOriginalPackages != null 12905 && pkg.mOriginalPackages.contains(oldName) 12906 && mPackages.containsKey(oldName)) { 12907 // This package is derived from an original package, 12908 // and this device has been updating from that original 12909 // name. We must continue using the original name, so 12910 // rename the new package here. 12911 pkg.setPackageName(oldName); 12912 pkgName = pkg.packageName; 12913 replace = true; 12914 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 12915 + oldName + " pkgName=" + pkgName); 12916 } else if (mPackages.containsKey(pkgName)) { 12917 // This package, under its official name, already exists 12918 // on the device; we should replace it. 12919 replace = true; 12920 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 12921 } 12922 12923 // Prevent apps opting out from runtime permissions 12924 if (replace) { 12925 PackageParser.Package oldPackage = mPackages.get(pkgName); 12926 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 12927 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 12928 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 12929 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 12930 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 12931 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 12932 + " doesn't support runtime permissions but the old" 12933 + " target SDK " + oldTargetSdk + " does."); 12934 return; 12935 } 12936 } 12937 } 12938 12939 PackageSetting ps = mSettings.mPackages.get(pkgName); 12940 if (ps != null) { 12941 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 12942 12943 // Quick sanity check that we're signed correctly if updating; 12944 // we'll check this again later when scanning, but we want to 12945 // bail early here before tripping over redefined permissions. 12946 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 12947 if (!checkUpgradeKeySetLP(ps, pkg)) { 12948 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 12949 + pkg.packageName + " upgrade keys do not match the " 12950 + "previously installed version"); 12951 return; 12952 } 12953 } else { 12954 try { 12955 verifySignaturesLP(ps, pkg); 12956 } catch (PackageManagerException e) { 12957 res.setError(e.error, e.getMessage()); 12958 return; 12959 } 12960 } 12961 12962 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 12963 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 12964 systemApp = (ps.pkg.applicationInfo.flags & 12965 ApplicationInfo.FLAG_SYSTEM) != 0; 12966 } 12967 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 12968 } 12969 12970 // Check whether the newly-scanned package wants to define an already-defined perm 12971 int N = pkg.permissions.size(); 12972 for (int i = N-1; i >= 0; i--) { 12973 PackageParser.Permission perm = pkg.permissions.get(i); 12974 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 12975 if (bp != null) { 12976 // If the defining package is signed with our cert, it's okay. This 12977 // also includes the "updating the same package" case, of course. 12978 // "updating same package" could also involve key-rotation. 12979 final boolean sigsOk; 12980 if (bp.sourcePackage.equals(pkg.packageName) 12981 && (bp.packageSetting instanceof PackageSetting) 12982 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 12983 scanFlags))) { 12984 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 12985 } else { 12986 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 12987 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 12988 } 12989 if (!sigsOk) { 12990 // If the owning package is the system itself, we log but allow 12991 // install to proceed; we fail the install on all other permission 12992 // redefinitions. 12993 if (!bp.sourcePackage.equals("android")) { 12994 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 12995 + pkg.packageName + " attempting to redeclare permission " 12996 + perm.info.name + " already owned by " + bp.sourcePackage); 12997 res.origPermission = perm.info.name; 12998 res.origPackage = bp.sourcePackage; 12999 return; 13000 } else { 13001 Slog.w(TAG, "Package " + pkg.packageName 13002 + " attempting to redeclare system permission " 13003 + perm.info.name + "; ignoring new declaration"); 13004 pkg.permissions.remove(i); 13005 } 13006 } 13007 } 13008 } 13009 13010 } 13011 13012 if (systemApp) { 13013 if (onExternal) { 13014 // Abort update; system app can't be replaced with app on sdcard 13015 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 13016 "Cannot install updates to system apps on sdcard"); 13017 return; 13018 } else if (ephemeral) { 13019 // Abort update; system app can't be replaced with an ephemeral app 13020 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 13021 "Cannot update a system app with an ephemeral app"); 13022 return; 13023 } 13024 } 13025 13026 if (args.move != null) { 13027 // We did an in-place move, so dex is ready to roll 13028 scanFlags |= SCAN_NO_DEX; 13029 scanFlags |= SCAN_MOVE; 13030 13031 synchronized (mPackages) { 13032 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13033 if (ps == null) { 13034 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 13035 "Missing settings for moved package " + pkgName); 13036 } 13037 13038 // We moved the entire application as-is, so bring over the 13039 // previously derived ABI information. 13040 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 13041 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 13042 } 13043 13044 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 13045 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 13046 scanFlags |= SCAN_NO_DEX; 13047 13048 try { 13049 derivePackageAbi(pkg, new File(pkg.codePath), args.abiOverride, 13050 true /* extract libs */); 13051 } catch (PackageManagerException pme) { 13052 Slog.e(TAG, "Error deriving application ABI", pme); 13053 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 13054 return; 13055 } 13056 } 13057 13058 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 13059 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 13060 return; 13061 } 13062 13063 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 13064 13065 if (replace) { 13066 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 13067 installerPackageName, volumeUuid, res); 13068 } else { 13069 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 13070 args.user, installerPackageName, volumeUuid, res); 13071 } 13072 synchronized (mPackages) { 13073 final PackageSetting ps = mSettings.mPackages.get(pkgName); 13074 if (ps != null) { 13075 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 13076 } 13077 } 13078 } 13079 13080 private void startIntentFilterVerifications(int userId, boolean replacing, 13081 PackageParser.Package pkg) { 13082 if (mIntentFilterVerifierComponent == null) { 13083 Slog.w(TAG, "No IntentFilter verification will not be done as " 13084 + "there is no IntentFilterVerifier available!"); 13085 return; 13086 } 13087 13088 final int verifierUid = getPackageUid( 13089 mIntentFilterVerifierComponent.getPackageName(), 13090 MATCH_DEBUG_TRIAGED_MISSING, 13091 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 13092 13093 mHandler.removeMessages(START_INTENT_FILTER_VERIFICATIONS); 13094 final Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 13095 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 13096 mHandler.sendMessage(msg); 13097 } 13098 13099 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 13100 PackageParser.Package pkg) { 13101 int size = pkg.activities.size(); 13102 if (size == 0) { 13103 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 13104 "No activity, so no need to verify any IntentFilter!"); 13105 return; 13106 } 13107 13108 final boolean hasDomainURLs = hasDomainURLs(pkg); 13109 if (!hasDomainURLs) { 13110 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 13111 "No domain URLs, so no need to verify any IntentFilter!"); 13112 return; 13113 } 13114 13115 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 13116 + " if any IntentFilter from the " + size 13117 + " Activities needs verification ..."); 13118 13119 int count = 0; 13120 final String packageName = pkg.packageName; 13121 13122 synchronized (mPackages) { 13123 // If this is a new install and we see that we've already run verification for this 13124 // package, we have nothing to do: it means the state was restored from backup. 13125 if (!replacing) { 13126 IntentFilterVerificationInfo ivi = 13127 mSettings.getIntentFilterVerificationLPr(packageName); 13128 if (ivi != null) { 13129 if (DEBUG_DOMAIN_VERIFICATION) { 13130 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 13131 + ivi.getStatusString()); 13132 } 13133 return; 13134 } 13135 } 13136 13137 // If any filters need to be verified, then all need to be. 13138 boolean needToVerify = false; 13139 for (PackageParser.Activity a : pkg.activities) { 13140 for (ActivityIntentInfo filter : a.intents) { 13141 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 13142 if (DEBUG_DOMAIN_VERIFICATION) { 13143 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 13144 } 13145 needToVerify = true; 13146 break; 13147 } 13148 } 13149 } 13150 13151 if (needToVerify) { 13152 final int verificationId = mIntentFilterVerificationToken++; 13153 for (PackageParser.Activity a : pkg.activities) { 13154 for (ActivityIntentInfo filter : a.intents) { 13155 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 13156 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 13157 "Verification needed for IntentFilter:" + filter.toString()); 13158 mIntentFilterVerifier.addOneIntentFilterVerification( 13159 verifierUid, userId, verificationId, filter, packageName); 13160 count++; 13161 } 13162 } 13163 } 13164 } 13165 } 13166 13167 if (count > 0) { 13168 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 13169 + " IntentFilter verification" + (count > 1 ? "s" : "") 13170 + " for userId:" + userId); 13171 mIntentFilterVerifier.startVerifications(userId); 13172 } else { 13173 if (DEBUG_DOMAIN_VERIFICATION) { 13174 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 13175 } 13176 } 13177 } 13178 13179 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 13180 final ComponentName cn = filter.activity.getComponentName(); 13181 final String packageName = cn.getPackageName(); 13182 13183 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 13184 packageName); 13185 if (ivi == null) { 13186 return true; 13187 } 13188 int status = ivi.getStatus(); 13189 switch (status) { 13190 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 13191 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 13192 return true; 13193 13194 default: 13195 // Nothing to do 13196 return false; 13197 } 13198 } 13199 13200 private static boolean isMultiArch(ApplicationInfo info) { 13201 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 13202 } 13203 13204 private static boolean isExternal(PackageParser.Package pkg) { 13205 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 13206 } 13207 13208 private static boolean isExternal(PackageSetting ps) { 13209 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 13210 } 13211 13212 private static boolean isEphemeral(PackageParser.Package pkg) { 13213 return pkg.applicationInfo.isEphemeralApp(); 13214 } 13215 13216 private static boolean isEphemeral(PackageSetting ps) { 13217 return ps.pkg != null && isEphemeral(ps.pkg); 13218 } 13219 13220 private static boolean isSystemApp(PackageParser.Package pkg) { 13221 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 13222 } 13223 13224 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 13225 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 13226 } 13227 13228 private static boolean hasDomainURLs(PackageParser.Package pkg) { 13229 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 13230 } 13231 13232 private static boolean isSystemApp(PackageSetting ps) { 13233 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 13234 } 13235 13236 private static boolean isUpdatedSystemApp(PackageSetting ps) { 13237 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 13238 } 13239 13240 private int packageFlagsToInstallFlags(PackageSetting ps) { 13241 int installFlags = 0; 13242 if (isEphemeral(ps)) { 13243 installFlags |= PackageManager.INSTALL_EPHEMERAL; 13244 } 13245 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 13246 // This existing package was an external ASEC install when we have 13247 // the external flag without a UUID 13248 installFlags |= PackageManager.INSTALL_EXTERNAL; 13249 } 13250 if (ps.isForwardLocked()) { 13251 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13252 } 13253 return installFlags; 13254 } 13255 13256 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 13257 if (isExternal(pkg)) { 13258 if (TextUtils.isEmpty(pkg.volumeUuid)) { 13259 return StorageManager.UUID_PRIMARY_PHYSICAL; 13260 } else { 13261 return pkg.volumeUuid; 13262 } 13263 } else { 13264 return StorageManager.UUID_PRIVATE_INTERNAL; 13265 } 13266 } 13267 13268 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 13269 if (isExternal(pkg)) { 13270 if (TextUtils.isEmpty(pkg.volumeUuid)) { 13271 return mSettings.getExternalVersion(); 13272 } else { 13273 return mSettings.findOrCreateVersion(pkg.volumeUuid); 13274 } 13275 } else { 13276 return mSettings.getInternalVersion(); 13277 } 13278 } 13279 13280 private void deleteTempPackageFiles() { 13281 final FilenameFilter filter = new FilenameFilter() { 13282 public boolean accept(File dir, String name) { 13283 return name.startsWith("vmdl") && name.endsWith(".tmp"); 13284 } 13285 }; 13286 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 13287 file.delete(); 13288 } 13289 } 13290 13291 @Override 13292 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 13293 int flags) { 13294 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 13295 flags); 13296 } 13297 13298 @Override 13299 public void deletePackage(final String packageName, 13300 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 13301 mContext.enforceCallingOrSelfPermission( 13302 android.Manifest.permission.DELETE_PACKAGES, null); 13303 Preconditions.checkNotNull(packageName); 13304 Preconditions.checkNotNull(observer); 13305 final int uid = Binder.getCallingUid(); 13306 final boolean deleteAllUsers = (flags & PackageManager.DELETE_ALL_USERS) != 0; 13307 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 13308 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 13309 mContext.enforceCallingOrSelfPermission( 13310 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 13311 "deletePackage for user " + userId); 13312 } 13313 13314 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 13315 try { 13316 observer.onPackageDeleted(packageName, 13317 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 13318 } catch (RemoteException re) { 13319 } 13320 return; 13321 } 13322 13323 for (int currentUserId : users) { 13324 if (getBlockUninstallForUser(packageName, currentUserId)) { 13325 try { 13326 observer.onPackageDeleted(packageName, 13327 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 13328 } catch (RemoteException re) { 13329 } 13330 return; 13331 } 13332 } 13333 13334 if (DEBUG_REMOVE) { 13335 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 13336 } 13337 // Queue up an async operation since the package deletion may take a little while. 13338 mHandler.post(new Runnable() { 13339 public void run() { 13340 mHandler.removeCallbacks(this); 13341 final int returnCode = deletePackageX(packageName, userId, flags); 13342 try { 13343 observer.onPackageDeleted(packageName, returnCode, null); 13344 } catch (RemoteException e) { 13345 Log.i(TAG, "Observer no longer exists."); 13346 } //end catch 13347 } //end run 13348 }); 13349 } 13350 13351 private boolean isPackageDeviceAdmin(String packageName, int userId) { 13352 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 13353 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 13354 try { 13355 if (dpm != null) { 13356 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 13357 /* callingUserOnly =*/ false); 13358 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 13359 : deviceOwnerComponentName.getPackageName(); 13360 // Does the package contains the device owner? 13361 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 13362 // this check is probably not needed, since DO should be registered as a device 13363 // admin on some user too. (Original bug for this: b/17657954) 13364 if (packageName.equals(deviceOwnerPackageName)) { 13365 return true; 13366 } 13367 // Does it contain a device admin for any user? 13368 int[] users; 13369 if (userId == UserHandle.USER_ALL) { 13370 users = sUserManager.getUserIds(); 13371 } else { 13372 users = new int[]{userId}; 13373 } 13374 for (int i = 0; i < users.length; ++i) { 13375 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 13376 return true; 13377 } 13378 } 13379 } 13380 } catch (RemoteException e) { 13381 } 13382 return false; 13383 } 13384 13385 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 13386 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 13387 } 13388 13389 /** 13390 * This method is an internal method that could be get invoked either 13391 * to delete an installed package or to clean up a failed installation. 13392 * After deleting an installed package, a broadcast is sent to notify any 13393 * listeners that the package has been installed. For cleaning up a failed 13394 * installation, the broadcast is not necessary since the package's 13395 * installation wouldn't have sent the initial broadcast either 13396 * The key steps in deleting a package are 13397 * deleting the package information in internal structures like mPackages, 13398 * deleting the packages base directories through installd 13399 * updating mSettings to reflect current status 13400 * persisting settings for later use 13401 * sending a broadcast if necessary 13402 */ 13403 private int deletePackageX(String packageName, int userId, int flags) { 13404 final PackageRemovedInfo info = new PackageRemovedInfo(); 13405 final boolean res; 13406 13407 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 13408 ? UserHandle.ALL : new UserHandle(userId); 13409 13410 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 13411 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 13412 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 13413 } 13414 13415 boolean removedForAllUsers = false; 13416 boolean systemUpdate = false; 13417 13418 PackageParser.Package uninstalledPkg; 13419 13420 // for the uninstall-updates case and restricted profiles, remember the per- 13421 // userhandle installed state 13422 int[] allUsers; 13423 boolean[] perUserInstalled; 13424 synchronized (mPackages) { 13425 uninstalledPkg = mPackages.get(packageName); 13426 PackageSetting ps = mSettings.mPackages.get(packageName); 13427 allUsers = sUserManager.getUserIds(); 13428 perUserInstalled = new boolean[allUsers.length]; 13429 for (int i = 0; i < allUsers.length; i++) { 13430 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 13431 } 13432 } 13433 13434 synchronized (mInstallLock) { 13435 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 13436 res = deletePackageLI(packageName, removeForUser, 13437 true, allUsers, perUserInstalled, 13438 flags | REMOVE_CHATTY, info, true); 13439 systemUpdate = info.isRemovedPackageSystemUpdate; 13440 synchronized (mPackages) { 13441 if (res) { 13442 if (!systemUpdate && mPackages.get(packageName) == null) { 13443 removedForAllUsers = true; 13444 } 13445 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPkg); 13446 } 13447 } 13448 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 13449 + " removedForAllUsers=" + removedForAllUsers); 13450 } 13451 13452 if (res) { 13453 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 13454 13455 // If the removed package was a system update, the old system package 13456 // was re-enabled; we need to broadcast this information 13457 if (systemUpdate) { 13458 Bundle extras = new Bundle(1); 13459 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 13460 ? info.removedAppId : info.uid); 13461 extras.putBoolean(Intent.EXTRA_REPLACING, true); 13462 13463 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 13464 extras, 0, null, null, null); 13465 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 13466 extras, 0, null, null, null); 13467 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 13468 null, 0, packageName, null, null); 13469 } 13470 } 13471 // Force a gc here. 13472 Runtime.getRuntime().gc(); 13473 // Delete the resources here after sending the broadcast to let 13474 // other processes clean up before deleting resources. 13475 if (info.args != null) { 13476 synchronized (mInstallLock) { 13477 info.args.doPostDeleteLI(true); 13478 } 13479 } 13480 13481 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 13482 } 13483 13484 class PackageRemovedInfo { 13485 String removedPackage; 13486 int uid = -1; 13487 int removedAppId = -1; 13488 int[] removedUsers = null; 13489 boolean isRemovedPackageSystemUpdate = false; 13490 // Clean up resources deleted packages. 13491 InstallArgs args = null; 13492 13493 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 13494 Bundle extras = new Bundle(1); 13495 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 13496 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 13497 if (replacing) { 13498 extras.putBoolean(Intent.EXTRA_REPLACING, true); 13499 } 13500 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 13501 if (removedPackage != null) { 13502 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 13503 extras, 0, null, null, removedUsers); 13504 if (fullRemove && !replacing) { 13505 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 13506 extras, 0, null, null, removedUsers); 13507 } 13508 } 13509 if (removedAppId >= 0) { 13510 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 13511 removedUsers); 13512 } 13513 } 13514 } 13515 13516 /* 13517 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 13518 * flag is not set, the data directory is removed as well. 13519 * make sure this flag is set for partially installed apps. If not its meaningless to 13520 * delete a partially installed application. 13521 */ 13522 private void removePackageDataLI(PackageSetting ps, 13523 int[] allUserHandles, boolean[] perUserInstalled, 13524 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 13525 String packageName = ps.name; 13526 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 13527 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 13528 // Retrieve object to delete permissions for shared user later on 13529 final PackageSetting deletedPs; 13530 // reader 13531 synchronized (mPackages) { 13532 deletedPs = mSettings.mPackages.get(packageName); 13533 if (outInfo != null) { 13534 outInfo.removedPackage = packageName; 13535 outInfo.removedUsers = deletedPs != null 13536 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 13537 : null; 13538 } 13539 } 13540 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 13541 removeDataDirsLI(ps.volumeUuid, packageName); 13542 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 13543 } 13544 // writer 13545 synchronized (mPackages) { 13546 if (deletedPs != null) { 13547 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 13548 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 13549 clearDefaultBrowserIfNeeded(packageName); 13550 if (outInfo != null) { 13551 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 13552 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 13553 } 13554 updatePermissionsLPw(deletedPs.name, null, 0); 13555 if (deletedPs.sharedUser != null) { 13556 // Remove permissions associated with package. Since runtime 13557 // permissions are per user we have to kill the removed package 13558 // or packages running under the shared user of the removed 13559 // package if revoking the permissions requested only by the removed 13560 // package is successful and this causes a change in gids. 13561 for (int userId : UserManagerService.getInstance().getUserIds()) { 13562 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 13563 userId); 13564 if (userIdToKill == UserHandle.USER_ALL 13565 || userIdToKill >= UserHandle.USER_SYSTEM) { 13566 // If gids changed for this user, kill all affected packages. 13567 mHandler.post(new Runnable() { 13568 @Override 13569 public void run() { 13570 // This has to happen with no lock held. 13571 killApplication(deletedPs.name, deletedPs.appId, 13572 KILL_APP_REASON_GIDS_CHANGED); 13573 } 13574 }); 13575 break; 13576 } 13577 } 13578 } 13579 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 13580 } 13581 // make sure to preserve per-user disabled state if this removal was just 13582 // a downgrade of a system app to the factory package 13583 if (allUserHandles != null && perUserInstalled != null) { 13584 if (DEBUG_REMOVE) { 13585 Slog.d(TAG, "Propagating install state across downgrade"); 13586 } 13587 for (int i = 0; i < allUserHandles.length; i++) { 13588 if (DEBUG_REMOVE) { 13589 Slog.d(TAG, " user " + allUserHandles[i] 13590 + " => " + perUserInstalled[i]); 13591 } 13592 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 13593 } 13594 } 13595 } 13596 // can downgrade to reader 13597 if (writeSettings) { 13598 // Save settings now 13599 mSettings.writeLPr(); 13600 } 13601 } 13602 if (outInfo != null) { 13603 // A user ID was deleted here. Go through all users and remove it 13604 // from KeyStore. 13605 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 13606 } 13607 } 13608 13609 static boolean locationIsPrivileged(File path) { 13610 try { 13611 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 13612 .getCanonicalPath(); 13613 return path.getCanonicalPath().startsWith(privilegedAppDir); 13614 } catch (IOException e) { 13615 Slog.e(TAG, "Unable to access code path " + path); 13616 } 13617 return false; 13618 } 13619 13620 /* 13621 * Tries to delete system package. 13622 */ 13623 private boolean deleteSystemPackageLI(PackageSetting newPs, 13624 int[] allUserHandles, boolean[] perUserInstalled, 13625 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 13626 final boolean applyUserRestrictions 13627 = (allUserHandles != null) && (perUserInstalled != null); 13628 PackageSetting disabledPs = null; 13629 // Confirm if the system package has been updated 13630 // An updated system app can be deleted. This will also have to restore 13631 // the system pkg from system partition 13632 // reader 13633 synchronized (mPackages) { 13634 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 13635 } 13636 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 13637 + " disabledPs=" + disabledPs); 13638 if (disabledPs == null) { 13639 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 13640 return false; 13641 } else if (DEBUG_REMOVE) { 13642 Slog.d(TAG, "Deleting system pkg from data partition"); 13643 } 13644 if (DEBUG_REMOVE) { 13645 if (applyUserRestrictions) { 13646 Slog.d(TAG, "Remembering install states:"); 13647 for (int i = 0; i < allUserHandles.length; i++) { 13648 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 13649 } 13650 } 13651 } 13652 // Delete the updated package 13653 outInfo.isRemovedPackageSystemUpdate = true; 13654 if (disabledPs.versionCode < newPs.versionCode) { 13655 // Delete data for downgrades 13656 flags &= ~PackageManager.DELETE_KEEP_DATA; 13657 } else { 13658 // Preserve data by setting flag 13659 flags |= PackageManager.DELETE_KEEP_DATA; 13660 } 13661 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 13662 allUserHandles, perUserInstalled, outInfo, writeSettings); 13663 if (!ret) { 13664 return false; 13665 } 13666 // writer 13667 synchronized (mPackages) { 13668 // Reinstate the old system package 13669 mSettings.enableSystemPackageLPw(newPs.name); 13670 // Remove any native libraries from the upgraded package. 13671 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 13672 } 13673 // Install the system package 13674 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 13675 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 13676 if (locationIsPrivileged(disabledPs.codePath)) { 13677 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 13678 } 13679 13680 final PackageParser.Package newPkg; 13681 try { 13682 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 13683 } catch (PackageManagerException e) { 13684 Slog.w(TAG, "Failed to restore system package " + newPs.name + ": " + e.getMessage()); 13685 return false; 13686 } 13687 13688 // writer 13689 synchronized (mPackages) { 13690 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 13691 13692 // Propagate the permissions state as we do not want to drop on the floor 13693 // runtime permissions. The update permissions method below will take 13694 // care of removing obsolete permissions and grant install permissions. 13695 ps.getPermissionsState().copyFrom(newPs.getPermissionsState()); 13696 updatePermissionsLPw(newPkg.packageName, newPkg, 13697 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 13698 13699 if (applyUserRestrictions) { 13700 if (DEBUG_REMOVE) { 13701 Slog.d(TAG, "Propagating install state across reinstall"); 13702 } 13703 for (int i = 0; i < allUserHandles.length; i++) { 13704 if (DEBUG_REMOVE) { 13705 Slog.d(TAG, " user " + allUserHandles[i] 13706 + " => " + perUserInstalled[i]); 13707 } 13708 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 13709 13710 mSettings.writeRuntimePermissionsForUserLPr(allUserHandles[i], false); 13711 } 13712 // Regardless of writeSettings we need to ensure that this restriction 13713 // state propagation is persisted 13714 mSettings.writeAllUsersPackageRestrictionsLPr(); 13715 } 13716 // can downgrade to reader here 13717 if (writeSettings) { 13718 mSettings.writeLPr(); 13719 } 13720 } 13721 return true; 13722 } 13723 13724 private boolean deleteInstalledPackageLI(PackageSetting ps, 13725 boolean deleteCodeAndResources, int flags, 13726 int[] allUserHandles, boolean[] perUserInstalled, 13727 PackageRemovedInfo outInfo, boolean writeSettings) { 13728 if (outInfo != null) { 13729 outInfo.uid = ps.appId; 13730 } 13731 13732 // Delete package data from internal structures and also remove data if flag is set 13733 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 13734 13735 // Delete application code and resources 13736 if (deleteCodeAndResources && (outInfo != null)) { 13737 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 13738 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 13739 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 13740 } 13741 return true; 13742 } 13743 13744 @Override 13745 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 13746 int userId) { 13747 mContext.enforceCallingOrSelfPermission( 13748 android.Manifest.permission.DELETE_PACKAGES, null); 13749 synchronized (mPackages) { 13750 PackageSetting ps = mSettings.mPackages.get(packageName); 13751 if (ps == null) { 13752 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 13753 return false; 13754 } 13755 if (!ps.getInstalled(userId)) { 13756 // Can't block uninstall for an app that is not installed or enabled. 13757 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 13758 return false; 13759 } 13760 ps.setBlockUninstall(blockUninstall, userId); 13761 mSettings.writePackageRestrictionsLPr(userId); 13762 } 13763 return true; 13764 } 13765 13766 @Override 13767 public boolean getBlockUninstallForUser(String packageName, int userId) { 13768 synchronized (mPackages) { 13769 PackageSetting ps = mSettings.mPackages.get(packageName); 13770 if (ps == null) { 13771 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 13772 return false; 13773 } 13774 return ps.getBlockUninstall(userId); 13775 } 13776 } 13777 13778 @Override 13779 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 13780 int callingUid = Binder.getCallingUid(); 13781 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 13782 throw new SecurityException( 13783 "setRequiredForSystemUser can only be run by the system or root"); 13784 } 13785 synchronized (mPackages) { 13786 PackageSetting ps = mSettings.mPackages.get(packageName); 13787 if (ps == null) { 13788 Log.w(TAG, "Package doesn't exist: " + packageName); 13789 return false; 13790 } 13791 if (systemUserApp) { 13792 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 13793 } else { 13794 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 13795 } 13796 mSettings.writeLPr(); 13797 } 13798 return true; 13799 } 13800 13801 /* 13802 * This method handles package deletion in general 13803 */ 13804 private boolean deletePackageLI(String packageName, UserHandle user, 13805 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 13806 int flags, PackageRemovedInfo outInfo, 13807 boolean writeSettings) { 13808 if (packageName == null) { 13809 Slog.w(TAG, "Attempt to delete null packageName."); 13810 return false; 13811 } 13812 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 13813 PackageSetting ps; 13814 boolean dataOnly = false; 13815 int removeUser = -1; 13816 int appId = -1; 13817 synchronized (mPackages) { 13818 ps = mSettings.mPackages.get(packageName); 13819 if (ps == null) { 13820 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 13821 return false; 13822 } 13823 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 13824 && user.getIdentifier() != UserHandle.USER_ALL) { 13825 // The caller is asking that the package only be deleted for a single 13826 // user. To do this, we just mark its uninstalled state and delete 13827 // its data. If this is a system app, we only allow this to happen if 13828 // they have set the special DELETE_SYSTEM_APP which requests different 13829 // semantics than normal for uninstalling system apps. 13830 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 13831 final int userId = user.getIdentifier(); 13832 ps.setUserState(userId, 13833 COMPONENT_ENABLED_STATE_DEFAULT, 13834 false, //installed 13835 true, //stopped 13836 true, //notLaunched 13837 false, //hidden 13838 false, //suspended 13839 null, null, null, 13840 false, // blockUninstall 13841 ps.readUserState(userId).domainVerificationStatus, 0); 13842 if (!isSystemApp(ps)) { 13843 // Do not uninstall the APK if an app should be cached 13844 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 13845 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 13846 // Other user still have this package installed, so all 13847 // we need to do is clear this user's data and save that 13848 // it is uninstalled. 13849 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 13850 removeUser = user.getIdentifier(); 13851 appId = ps.appId; 13852 scheduleWritePackageRestrictionsLocked(removeUser); 13853 } else { 13854 // We need to set it back to 'installed' so the uninstall 13855 // broadcasts will be sent correctly. 13856 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 13857 ps.setInstalled(true, user.getIdentifier()); 13858 } 13859 } else { 13860 // This is a system app, so we assume that the 13861 // other users still have this package installed, so all 13862 // we need to do is clear this user's data and save that 13863 // it is uninstalled. 13864 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 13865 removeUser = user.getIdentifier(); 13866 appId = ps.appId; 13867 scheduleWritePackageRestrictionsLocked(removeUser); 13868 } 13869 } 13870 } 13871 13872 if (removeUser >= 0) { 13873 // From above, we determined that we are deleting this only 13874 // for a single user. Continue the work here. 13875 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 13876 if (outInfo != null) { 13877 outInfo.removedPackage = packageName; 13878 outInfo.removedAppId = appId; 13879 outInfo.removedUsers = new int[] {removeUser}; 13880 } 13881 // TODO: triage flags as part of 26466827 13882 final int installerFlags = Installer.FLAG_CE_STORAGE | Installer.FLAG_DE_STORAGE; 13883 try { 13884 mInstaller.destroyAppData(ps.volumeUuid, packageName, removeUser, installerFlags); 13885 } catch (InstallerException e) { 13886 Slog.w(TAG, "Failed to delete app data", e); 13887 } 13888 removeKeystoreDataIfNeeded(removeUser, appId); 13889 schedulePackageCleaning(packageName, removeUser, false); 13890 synchronized (mPackages) { 13891 if (clearPackagePreferredActivitiesLPw(packageName, removeUser)) { 13892 scheduleWritePackageRestrictionsLocked(removeUser); 13893 } 13894 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, removeUser); 13895 } 13896 return true; 13897 } 13898 13899 if (dataOnly) { 13900 // Delete application data first 13901 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 13902 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 13903 return true; 13904 } 13905 13906 boolean ret = false; 13907 if (isSystemApp(ps)) { 13908 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 13909 // When an updated system application is deleted we delete the existing resources as well and 13910 // fall back to existing code in system partition 13911 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 13912 flags, outInfo, writeSettings); 13913 } else { 13914 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 13915 // Kill application pre-emptively especially for apps on sd. 13916 killApplication(packageName, ps.appId, "uninstall pkg"); 13917 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 13918 allUserHandles, perUserInstalled, 13919 outInfo, writeSettings); 13920 } 13921 13922 return ret; 13923 } 13924 13925 private final static class ClearStorageConnection implements ServiceConnection { 13926 IMediaContainerService mContainerService; 13927 13928 @Override 13929 public void onServiceConnected(ComponentName name, IBinder service) { 13930 synchronized (this) { 13931 mContainerService = IMediaContainerService.Stub.asInterface(service); 13932 notifyAll(); 13933 } 13934 } 13935 13936 @Override 13937 public void onServiceDisconnected(ComponentName name) { 13938 } 13939 } 13940 13941 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 13942 final boolean mounted; 13943 if (Environment.isExternalStorageEmulated()) { 13944 mounted = true; 13945 } else { 13946 final String status = Environment.getExternalStorageState(); 13947 13948 mounted = status.equals(Environment.MEDIA_MOUNTED) 13949 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 13950 } 13951 13952 if (!mounted) { 13953 return; 13954 } 13955 13956 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 13957 int[] users; 13958 if (userId == UserHandle.USER_ALL) { 13959 users = sUserManager.getUserIds(); 13960 } else { 13961 users = new int[] { userId }; 13962 } 13963 final ClearStorageConnection conn = new ClearStorageConnection(); 13964 if (mContext.bindServiceAsUser( 13965 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 13966 try { 13967 for (int curUser : users) { 13968 long timeout = SystemClock.uptimeMillis() + 5000; 13969 synchronized (conn) { 13970 long now = SystemClock.uptimeMillis(); 13971 while (conn.mContainerService == null && now < timeout) { 13972 try { 13973 conn.wait(timeout - now); 13974 } catch (InterruptedException e) { 13975 } 13976 } 13977 } 13978 if (conn.mContainerService == null) { 13979 return; 13980 } 13981 13982 final UserEnvironment userEnv = new UserEnvironment(curUser); 13983 clearDirectory(conn.mContainerService, 13984 userEnv.buildExternalStorageAppCacheDirs(packageName)); 13985 if (allData) { 13986 clearDirectory(conn.mContainerService, 13987 userEnv.buildExternalStorageAppDataDirs(packageName)); 13988 clearDirectory(conn.mContainerService, 13989 userEnv.buildExternalStorageAppMediaDirs(packageName)); 13990 } 13991 } 13992 } finally { 13993 mContext.unbindService(conn); 13994 } 13995 } 13996 } 13997 13998 @Override 13999 public void clearApplicationUserData(final String packageName, 14000 final IPackageDataObserver observer, final int userId) { 14001 mContext.enforceCallingOrSelfPermission( 14002 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 14003 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 14004 // Queue up an async operation since the package deletion may take a little while. 14005 mHandler.post(new Runnable() { 14006 public void run() { 14007 mHandler.removeCallbacks(this); 14008 final boolean succeeded; 14009 synchronized (mInstallLock) { 14010 succeeded = clearApplicationUserDataLI(packageName, userId); 14011 } 14012 clearExternalStorageDataSync(packageName, userId, true); 14013 if (succeeded) { 14014 // invoke DeviceStorageMonitor's update method to clear any notifications 14015 DeviceStorageMonitorInternal 14016 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 14017 if (dsm != null) { 14018 dsm.checkMemory(); 14019 } 14020 } 14021 if(observer != null) { 14022 try { 14023 observer.onRemoveCompleted(packageName, succeeded); 14024 } catch (RemoteException e) { 14025 Log.i(TAG, "Observer no longer exists."); 14026 } 14027 } //end if observer 14028 } //end run 14029 }); 14030 } 14031 14032 private boolean clearApplicationUserDataLI(String packageName, int userId) { 14033 if (packageName == null) { 14034 Slog.w(TAG, "Attempt to delete null packageName."); 14035 return false; 14036 } 14037 14038 // Try finding details about the requested package 14039 PackageParser.Package pkg; 14040 synchronized (mPackages) { 14041 pkg = mPackages.get(packageName); 14042 if (pkg == null) { 14043 final PackageSetting ps = mSettings.mPackages.get(packageName); 14044 if (ps != null) { 14045 pkg = ps.pkg; 14046 } 14047 } 14048 14049 if (pkg == null) { 14050 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 14051 return false; 14052 } 14053 14054 PackageSetting ps = (PackageSetting) pkg.mExtras; 14055 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 14056 } 14057 14058 // Always delete data directories for package, even if we found no other 14059 // record of app. This helps users recover from UID mismatches without 14060 // resorting to a full data wipe. 14061 // TODO: triage flags as part of 26466827 14062 final int flags = Installer.FLAG_CE_STORAGE | Installer.FLAG_DE_STORAGE; 14063 try { 14064 mInstaller.clearAppData(pkg.volumeUuid, packageName, userId, flags); 14065 } catch (InstallerException e) { 14066 Slog.w(TAG, "Couldn't remove cache files for package " + packageName, e); 14067 return false; 14068 } 14069 14070 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 14071 removeKeystoreDataIfNeeded(userId, appId); 14072 14073 // Create a native library symlink only if we have native libraries 14074 // and if the native libraries are 32 bit libraries. We do not provide 14075 // this symlink for 64 bit libraries. 14076 if (pkg.applicationInfo.primaryCpuAbi != null && 14077 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 14078 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 14079 try { 14080 mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 14081 nativeLibPath, userId); 14082 } catch (InstallerException e) { 14083 Slog.w(TAG, "Failed linking native library dir", e); 14084 return false; 14085 } 14086 } 14087 14088 return true; 14089 } 14090 14091 /** 14092 * Reverts user permission state changes (permissions and flags) in 14093 * all packages for a given user. 14094 * 14095 * @param userId The device user for which to do a reset. 14096 */ 14097 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 14098 final int packageCount = mPackages.size(); 14099 for (int i = 0; i < packageCount; i++) { 14100 PackageParser.Package pkg = mPackages.valueAt(i); 14101 PackageSetting ps = (PackageSetting) pkg.mExtras; 14102 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 14103 } 14104 } 14105 14106 /** 14107 * Reverts user permission state changes (permissions and flags). 14108 * 14109 * @param ps The package for which to reset. 14110 * @param userId The device user for which to do a reset. 14111 */ 14112 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 14113 final PackageSetting ps, final int userId) { 14114 if (ps.pkg == null) { 14115 return; 14116 } 14117 14118 // These are flags that can change base on user actions. 14119 final int userSettableMask = FLAG_PERMISSION_USER_SET 14120 | FLAG_PERMISSION_USER_FIXED 14121 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 14122 | FLAG_PERMISSION_REVIEW_REQUIRED; 14123 14124 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 14125 | FLAG_PERMISSION_POLICY_FIXED; 14126 14127 boolean writeInstallPermissions = false; 14128 boolean writeRuntimePermissions = false; 14129 14130 final int permissionCount = ps.pkg.requestedPermissions.size(); 14131 for (int i = 0; i < permissionCount; i++) { 14132 String permission = ps.pkg.requestedPermissions.get(i); 14133 14134 BasePermission bp = mSettings.mPermissions.get(permission); 14135 if (bp == null) { 14136 continue; 14137 } 14138 14139 // If shared user we just reset the state to which only this app contributed. 14140 if (ps.sharedUser != null) { 14141 boolean used = false; 14142 final int packageCount = ps.sharedUser.packages.size(); 14143 for (int j = 0; j < packageCount; j++) { 14144 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 14145 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 14146 && pkg.pkg.requestedPermissions.contains(permission)) { 14147 used = true; 14148 break; 14149 } 14150 } 14151 if (used) { 14152 continue; 14153 } 14154 } 14155 14156 PermissionsState permissionsState = ps.getPermissionsState(); 14157 14158 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 14159 14160 // Always clear the user settable flags. 14161 final boolean hasInstallState = permissionsState.getInstallPermissionState( 14162 bp.name) != null; 14163 // If permission review is enabled and this is a legacy app, mark the 14164 // permission as requiring a review as this is the initial state. 14165 int flags = 0; 14166 if (Build.PERMISSIONS_REVIEW_REQUIRED 14167 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 14168 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 14169 } 14170 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 14171 if (hasInstallState) { 14172 writeInstallPermissions = true; 14173 } else { 14174 writeRuntimePermissions = true; 14175 } 14176 } 14177 14178 // Below is only runtime permission handling. 14179 if (!bp.isRuntime()) { 14180 continue; 14181 } 14182 14183 // Never clobber system or policy. 14184 if ((oldFlags & policyOrSystemFlags) != 0) { 14185 continue; 14186 } 14187 14188 // If this permission was granted by default, make sure it is. 14189 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 14190 if (permissionsState.grantRuntimePermission(bp, userId) 14191 != PERMISSION_OPERATION_FAILURE) { 14192 writeRuntimePermissions = true; 14193 } 14194 // If permission review is enabled the permissions for a legacy apps 14195 // are represented as constantly granted runtime ones, so don't revoke. 14196 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 14197 // Otherwise, reset the permission. 14198 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 14199 switch (revokeResult) { 14200 case PERMISSION_OPERATION_SUCCESS: { 14201 writeRuntimePermissions = true; 14202 } break; 14203 14204 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 14205 writeRuntimePermissions = true; 14206 final int appId = ps.appId; 14207 mHandler.post(new Runnable() { 14208 @Override 14209 public void run() { 14210 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 14211 } 14212 }); 14213 } break; 14214 } 14215 } 14216 } 14217 14218 // Synchronously write as we are taking permissions away. 14219 if (writeRuntimePermissions) { 14220 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 14221 } 14222 14223 // Synchronously write as we are taking permissions away. 14224 if (writeInstallPermissions) { 14225 mSettings.writeLPr(); 14226 } 14227 } 14228 14229 /** 14230 * Remove entries from the keystore daemon. Will only remove it if the 14231 * {@code appId} is valid. 14232 */ 14233 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 14234 if (appId < 0) { 14235 return; 14236 } 14237 14238 final KeyStore keyStore = KeyStore.getInstance(); 14239 if (keyStore != null) { 14240 if (userId == UserHandle.USER_ALL) { 14241 for (final int individual : sUserManager.getUserIds()) { 14242 keyStore.clearUid(UserHandle.getUid(individual, appId)); 14243 } 14244 } else { 14245 keyStore.clearUid(UserHandle.getUid(userId, appId)); 14246 } 14247 } else { 14248 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 14249 } 14250 } 14251 14252 @Override 14253 public void deleteApplicationCacheFiles(final String packageName, 14254 final IPackageDataObserver observer) { 14255 mContext.enforceCallingOrSelfPermission( 14256 android.Manifest.permission.DELETE_CACHE_FILES, null); 14257 // Queue up an async operation since the package deletion may take a little while. 14258 final int userId = UserHandle.getCallingUserId(); 14259 mHandler.post(new Runnable() { 14260 public void run() { 14261 mHandler.removeCallbacks(this); 14262 final boolean succeded; 14263 synchronized (mInstallLock) { 14264 succeded = deleteApplicationCacheFilesLI(packageName, userId); 14265 } 14266 clearExternalStorageDataSync(packageName, userId, false); 14267 if (observer != null) { 14268 try { 14269 observer.onRemoveCompleted(packageName, succeded); 14270 } catch (RemoteException e) { 14271 Log.i(TAG, "Observer no longer exists."); 14272 } 14273 } //end if observer 14274 } //end run 14275 }); 14276 } 14277 14278 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 14279 if (packageName == null) { 14280 Slog.w(TAG, "Attempt to delete null packageName."); 14281 return false; 14282 } 14283 PackageParser.Package p; 14284 synchronized (mPackages) { 14285 p = mPackages.get(packageName); 14286 } 14287 if (p == null) { 14288 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 14289 return false; 14290 } 14291 final ApplicationInfo applicationInfo = p.applicationInfo; 14292 if (applicationInfo == null) { 14293 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 14294 return false; 14295 } 14296 // TODO: triage flags as part of 26466827 14297 final int flags = Installer.FLAG_CE_STORAGE | Installer.FLAG_DE_STORAGE; 14298 try { 14299 mInstaller.clearAppData(p.volumeUuid, packageName, userId, 14300 flags | Installer.FLAG_CLEAR_CACHE_ONLY); 14301 } catch (InstallerException e) { 14302 Slog.w(TAG, "Couldn't remove cache files for package " 14303 + packageName + " u" + userId, e); 14304 return false; 14305 } 14306 return true; 14307 } 14308 14309 @Override 14310 public void getPackageSizeInfo(final String packageName, int userHandle, 14311 final IPackageStatsObserver observer) { 14312 mContext.enforceCallingOrSelfPermission( 14313 android.Manifest.permission.GET_PACKAGE_SIZE, null); 14314 if (packageName == null) { 14315 throw new IllegalArgumentException("Attempt to get size of null packageName"); 14316 } 14317 14318 PackageStats stats = new PackageStats(packageName, userHandle); 14319 14320 /* 14321 * Queue up an async operation since the package measurement may take a 14322 * little while. 14323 */ 14324 Message msg = mHandler.obtainMessage(INIT_COPY); 14325 msg.obj = new MeasureParams(stats, observer); 14326 mHandler.sendMessage(msg); 14327 } 14328 14329 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 14330 PackageStats pStats) { 14331 if (packageName == null) { 14332 Slog.w(TAG, "Attempt to get size of null packageName."); 14333 return false; 14334 } 14335 PackageParser.Package p; 14336 boolean dataOnly = false; 14337 String libDirRoot = null; 14338 String asecPath = null; 14339 PackageSetting ps = null; 14340 synchronized (mPackages) { 14341 p = mPackages.get(packageName); 14342 ps = mSettings.mPackages.get(packageName); 14343 if(p == null) { 14344 dataOnly = true; 14345 if((ps == null) || (ps.pkg == null)) { 14346 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 14347 return false; 14348 } 14349 p = ps.pkg; 14350 } 14351 if (ps != null) { 14352 libDirRoot = ps.legacyNativeLibraryPathString; 14353 } 14354 if (p != null && (p.isForwardLocked() || p.applicationInfo.isExternalAsec())) { 14355 final long token = Binder.clearCallingIdentity(); 14356 try { 14357 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 14358 if (secureContainerId != null) { 14359 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 14360 } 14361 } finally { 14362 Binder.restoreCallingIdentity(token); 14363 } 14364 } 14365 } 14366 String publicSrcDir = null; 14367 if(!dataOnly) { 14368 final ApplicationInfo applicationInfo = p.applicationInfo; 14369 if (applicationInfo == null) { 14370 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 14371 return false; 14372 } 14373 if (p.isForwardLocked()) { 14374 publicSrcDir = applicationInfo.getBaseResourcePath(); 14375 } 14376 } 14377 // TODO: extend to measure size of split APKs 14378 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 14379 // not just the first level. 14380 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 14381 // just the primary. 14382 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 14383 14384 String apkPath; 14385 File packageDir = new File(p.codePath); 14386 14387 if (packageDir.isDirectory() && p.canHaveOatDir()) { 14388 apkPath = packageDir.getAbsolutePath(); 14389 // If libDirRoot is inside a package dir, set it to null to avoid it being counted twice 14390 if (libDirRoot != null && libDirRoot.startsWith(apkPath)) { 14391 libDirRoot = null; 14392 } 14393 } else { 14394 apkPath = p.baseCodePath; 14395 } 14396 14397 // TODO: triage flags as part of 26466827 14398 final int flags = Installer.FLAG_CE_STORAGE | Installer.FLAG_DE_STORAGE; 14399 try { 14400 mInstaller.getAppSize(p.volumeUuid, packageName, userHandle, flags, apkPath, 14401 libDirRoot, publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 14402 } catch (InstallerException e) { 14403 return false; 14404 } 14405 14406 // Fix-up for forward-locked applications in ASEC containers. 14407 if (!isExternal(p)) { 14408 pStats.codeSize += pStats.externalCodeSize; 14409 pStats.externalCodeSize = 0L; 14410 } 14411 14412 return true; 14413 } 14414 14415 14416 @Override 14417 public void addPackageToPreferred(String packageName) { 14418 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 14419 } 14420 14421 @Override 14422 public void removePackageFromPreferred(String packageName) { 14423 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 14424 } 14425 14426 @Override 14427 public List<PackageInfo> getPreferredPackages(int flags) { 14428 return new ArrayList<PackageInfo>(); 14429 } 14430 14431 private int getUidTargetSdkVersionLockedLPr(int uid) { 14432 Object obj = mSettings.getUserIdLPr(uid); 14433 if (obj instanceof SharedUserSetting) { 14434 final SharedUserSetting sus = (SharedUserSetting) obj; 14435 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 14436 final Iterator<PackageSetting> it = sus.packages.iterator(); 14437 while (it.hasNext()) { 14438 final PackageSetting ps = it.next(); 14439 if (ps.pkg != null) { 14440 int v = ps.pkg.applicationInfo.targetSdkVersion; 14441 if (v < vers) vers = v; 14442 } 14443 } 14444 return vers; 14445 } else if (obj instanceof PackageSetting) { 14446 final PackageSetting ps = (PackageSetting) obj; 14447 if (ps.pkg != null) { 14448 return ps.pkg.applicationInfo.targetSdkVersion; 14449 } 14450 } 14451 return Build.VERSION_CODES.CUR_DEVELOPMENT; 14452 } 14453 14454 @Override 14455 public void addPreferredActivity(IntentFilter filter, int match, 14456 ComponentName[] set, ComponentName activity, int userId) { 14457 addPreferredActivityInternal(filter, match, set, activity, true, userId, 14458 "Adding preferred"); 14459 } 14460 14461 private void addPreferredActivityInternal(IntentFilter filter, int match, 14462 ComponentName[] set, ComponentName activity, boolean always, int userId, 14463 String opname) { 14464 // writer 14465 int callingUid = Binder.getCallingUid(); 14466 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 14467 if (filter.countActions() == 0) { 14468 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 14469 return; 14470 } 14471 synchronized (mPackages) { 14472 if (mContext.checkCallingOrSelfPermission( 14473 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 14474 != PackageManager.PERMISSION_GRANTED) { 14475 if (getUidTargetSdkVersionLockedLPr(callingUid) 14476 < Build.VERSION_CODES.FROYO) { 14477 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 14478 + callingUid); 14479 return; 14480 } 14481 mContext.enforceCallingOrSelfPermission( 14482 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14483 } 14484 14485 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 14486 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 14487 + userId + ":"); 14488 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14489 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 14490 scheduleWritePackageRestrictionsLocked(userId); 14491 } 14492 } 14493 14494 @Override 14495 public void replacePreferredActivity(IntentFilter filter, int match, 14496 ComponentName[] set, ComponentName activity, int userId) { 14497 if (filter.countActions() != 1) { 14498 throw new IllegalArgumentException( 14499 "replacePreferredActivity expects filter to have only 1 action."); 14500 } 14501 if (filter.countDataAuthorities() != 0 14502 || filter.countDataPaths() != 0 14503 || filter.countDataSchemes() > 1 14504 || filter.countDataTypes() != 0) { 14505 throw new IllegalArgumentException( 14506 "replacePreferredActivity expects filter to have no data authorities, " + 14507 "paths, or types; and at most one scheme."); 14508 } 14509 14510 final int callingUid = Binder.getCallingUid(); 14511 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 14512 synchronized (mPackages) { 14513 if (mContext.checkCallingOrSelfPermission( 14514 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 14515 != PackageManager.PERMISSION_GRANTED) { 14516 if (getUidTargetSdkVersionLockedLPr(callingUid) 14517 < Build.VERSION_CODES.FROYO) { 14518 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 14519 + Binder.getCallingUid()); 14520 return; 14521 } 14522 mContext.enforceCallingOrSelfPermission( 14523 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14524 } 14525 14526 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 14527 if (pir != null) { 14528 // Get all of the existing entries that exactly match this filter. 14529 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 14530 if (existing != null && existing.size() == 1) { 14531 PreferredActivity cur = existing.get(0); 14532 if (DEBUG_PREFERRED) { 14533 Slog.i(TAG, "Checking replace of preferred:"); 14534 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14535 if (!cur.mPref.mAlways) { 14536 Slog.i(TAG, " -- CUR; not mAlways!"); 14537 } else { 14538 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 14539 Slog.i(TAG, " -- CUR: mSet=" 14540 + Arrays.toString(cur.mPref.mSetComponents)); 14541 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 14542 Slog.i(TAG, " -- NEW: mMatch=" 14543 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 14544 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 14545 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 14546 } 14547 } 14548 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 14549 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 14550 && cur.mPref.sameSet(set)) { 14551 // Setting the preferred activity to what it happens to be already 14552 if (DEBUG_PREFERRED) { 14553 Slog.i(TAG, "Replacing with same preferred activity " 14554 + cur.mPref.mShortComponent + " for user " 14555 + userId + ":"); 14556 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14557 } 14558 return; 14559 } 14560 } 14561 14562 if (existing != null) { 14563 if (DEBUG_PREFERRED) { 14564 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 14565 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14566 } 14567 for (int i = 0; i < existing.size(); i++) { 14568 PreferredActivity pa = existing.get(i); 14569 if (DEBUG_PREFERRED) { 14570 Slog.i(TAG, "Removing existing preferred activity " 14571 + pa.mPref.mComponent + ":"); 14572 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 14573 } 14574 pir.removeFilter(pa); 14575 } 14576 } 14577 } 14578 addPreferredActivityInternal(filter, match, set, activity, true, userId, 14579 "Replacing preferred"); 14580 } 14581 } 14582 14583 @Override 14584 public void clearPackagePreferredActivities(String packageName) { 14585 final int uid = Binder.getCallingUid(); 14586 // writer 14587 synchronized (mPackages) { 14588 PackageParser.Package pkg = mPackages.get(packageName); 14589 if (pkg == null || pkg.applicationInfo.uid != uid) { 14590 if (mContext.checkCallingOrSelfPermission( 14591 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 14592 != PackageManager.PERMISSION_GRANTED) { 14593 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 14594 < Build.VERSION_CODES.FROYO) { 14595 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 14596 + Binder.getCallingUid()); 14597 return; 14598 } 14599 mContext.enforceCallingOrSelfPermission( 14600 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14601 } 14602 } 14603 14604 int user = UserHandle.getCallingUserId(); 14605 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 14606 scheduleWritePackageRestrictionsLocked(user); 14607 } 14608 } 14609 } 14610 14611 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 14612 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 14613 ArrayList<PreferredActivity> removed = null; 14614 boolean changed = false; 14615 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 14616 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 14617 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 14618 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 14619 continue; 14620 } 14621 Iterator<PreferredActivity> it = pir.filterIterator(); 14622 while (it.hasNext()) { 14623 PreferredActivity pa = it.next(); 14624 // Mark entry for removal only if it matches the package name 14625 // and the entry is of type "always". 14626 if (packageName == null || 14627 (pa.mPref.mComponent.getPackageName().equals(packageName) 14628 && pa.mPref.mAlways)) { 14629 if (removed == null) { 14630 removed = new ArrayList<PreferredActivity>(); 14631 } 14632 removed.add(pa); 14633 } 14634 } 14635 if (removed != null) { 14636 for (int j=0; j<removed.size(); j++) { 14637 PreferredActivity pa = removed.get(j); 14638 pir.removeFilter(pa); 14639 } 14640 changed = true; 14641 } 14642 } 14643 return changed; 14644 } 14645 14646 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 14647 private void clearIntentFilterVerificationsLPw(int userId) { 14648 final int packageCount = mPackages.size(); 14649 for (int i = 0; i < packageCount; i++) { 14650 PackageParser.Package pkg = mPackages.valueAt(i); 14651 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 14652 } 14653 } 14654 14655 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 14656 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 14657 if (userId == UserHandle.USER_ALL) { 14658 if (mSettings.removeIntentFilterVerificationLPw(packageName, 14659 sUserManager.getUserIds())) { 14660 for (int oneUserId : sUserManager.getUserIds()) { 14661 scheduleWritePackageRestrictionsLocked(oneUserId); 14662 } 14663 } 14664 } else { 14665 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 14666 scheduleWritePackageRestrictionsLocked(userId); 14667 } 14668 } 14669 } 14670 14671 void clearDefaultBrowserIfNeeded(String packageName) { 14672 for (int oneUserId : sUserManager.getUserIds()) { 14673 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 14674 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 14675 if (packageName.equals(defaultBrowserPackageName)) { 14676 setDefaultBrowserPackageName(null, oneUserId); 14677 } 14678 } 14679 } 14680 14681 @Override 14682 public void resetApplicationPreferences(int userId) { 14683 mContext.enforceCallingOrSelfPermission( 14684 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14685 // writer 14686 synchronized (mPackages) { 14687 final long identity = Binder.clearCallingIdentity(); 14688 try { 14689 clearPackagePreferredActivitiesLPw(null, userId); 14690 mSettings.applyDefaultPreferredAppsLPw(this, userId); 14691 // TODO: We have to reset the default SMS and Phone. This requires 14692 // significant refactoring to keep all default apps in the package 14693 // manager (cleaner but more work) or have the services provide 14694 // callbacks to the package manager to request a default app reset. 14695 applyFactoryDefaultBrowserLPw(userId); 14696 clearIntentFilterVerificationsLPw(userId); 14697 primeDomainVerificationsLPw(userId); 14698 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 14699 scheduleWritePackageRestrictionsLocked(userId); 14700 } finally { 14701 Binder.restoreCallingIdentity(identity); 14702 } 14703 } 14704 } 14705 14706 @Override 14707 public int getPreferredActivities(List<IntentFilter> outFilters, 14708 List<ComponentName> outActivities, String packageName) { 14709 14710 int num = 0; 14711 final int userId = UserHandle.getCallingUserId(); 14712 // reader 14713 synchronized (mPackages) { 14714 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 14715 if (pir != null) { 14716 final Iterator<PreferredActivity> it = pir.filterIterator(); 14717 while (it.hasNext()) { 14718 final PreferredActivity pa = it.next(); 14719 if (packageName == null 14720 || (pa.mPref.mComponent.getPackageName().equals(packageName) 14721 && pa.mPref.mAlways)) { 14722 if (outFilters != null) { 14723 outFilters.add(new IntentFilter(pa)); 14724 } 14725 if (outActivities != null) { 14726 outActivities.add(pa.mPref.mComponent); 14727 } 14728 } 14729 } 14730 } 14731 } 14732 14733 return num; 14734 } 14735 14736 @Override 14737 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 14738 int userId) { 14739 int callingUid = Binder.getCallingUid(); 14740 if (callingUid != Process.SYSTEM_UID) { 14741 throw new SecurityException( 14742 "addPersistentPreferredActivity can only be run by the system"); 14743 } 14744 if (filter.countActions() == 0) { 14745 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 14746 return; 14747 } 14748 synchronized (mPackages) { 14749 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 14750 ":"); 14751 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14752 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 14753 new PersistentPreferredActivity(filter, activity)); 14754 scheduleWritePackageRestrictionsLocked(userId); 14755 } 14756 } 14757 14758 @Override 14759 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 14760 int callingUid = Binder.getCallingUid(); 14761 if (callingUid != Process.SYSTEM_UID) { 14762 throw new SecurityException( 14763 "clearPackagePersistentPreferredActivities can only be run by the system"); 14764 } 14765 ArrayList<PersistentPreferredActivity> removed = null; 14766 boolean changed = false; 14767 synchronized (mPackages) { 14768 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 14769 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 14770 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 14771 .valueAt(i); 14772 if (userId != thisUserId) { 14773 continue; 14774 } 14775 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 14776 while (it.hasNext()) { 14777 PersistentPreferredActivity ppa = it.next(); 14778 // Mark entry for removal only if it matches the package name. 14779 if (ppa.mComponent.getPackageName().equals(packageName)) { 14780 if (removed == null) { 14781 removed = new ArrayList<PersistentPreferredActivity>(); 14782 } 14783 removed.add(ppa); 14784 } 14785 } 14786 if (removed != null) { 14787 for (int j=0; j<removed.size(); j++) { 14788 PersistentPreferredActivity ppa = removed.get(j); 14789 ppir.removeFilter(ppa); 14790 } 14791 changed = true; 14792 } 14793 } 14794 14795 if (changed) { 14796 scheduleWritePackageRestrictionsLocked(userId); 14797 } 14798 } 14799 } 14800 14801 /** 14802 * Common machinery for picking apart a restored XML blob and passing 14803 * it to a caller-supplied functor to be applied to the running system. 14804 */ 14805 private void restoreFromXml(XmlPullParser parser, int userId, 14806 String expectedStartTag, BlobXmlRestorer functor) 14807 throws IOException, XmlPullParserException { 14808 int type; 14809 while ((type = parser.next()) != XmlPullParser.START_TAG 14810 && type != XmlPullParser.END_DOCUMENT) { 14811 } 14812 if (type != XmlPullParser.START_TAG) { 14813 // oops didn't find a start tag?! 14814 if (DEBUG_BACKUP) { 14815 Slog.e(TAG, "Didn't find start tag during restore"); 14816 } 14817 return; 14818 } 14819 14820 // this is supposed to be TAG_PREFERRED_BACKUP 14821 if (!expectedStartTag.equals(parser.getName())) { 14822 if (DEBUG_BACKUP) { 14823 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 14824 } 14825 return; 14826 } 14827 14828 // skip interfering stuff, then we're aligned with the backing implementation 14829 while ((type = parser.next()) == XmlPullParser.TEXT) { } 14830 functor.apply(parser, userId); 14831 } 14832 14833 private interface BlobXmlRestorer { 14834 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 14835 } 14836 14837 /** 14838 * Non-Binder method, support for the backup/restore mechanism: write the 14839 * full set of preferred activities in its canonical XML format. Returns the 14840 * XML output as a byte array, or null if there is none. 14841 */ 14842 @Override 14843 public byte[] getPreferredActivityBackup(int userId) { 14844 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14845 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 14846 } 14847 14848 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14849 try { 14850 final XmlSerializer serializer = new FastXmlSerializer(); 14851 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14852 serializer.startDocument(null, true); 14853 serializer.startTag(null, TAG_PREFERRED_BACKUP); 14854 14855 synchronized (mPackages) { 14856 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 14857 } 14858 14859 serializer.endTag(null, TAG_PREFERRED_BACKUP); 14860 serializer.endDocument(); 14861 serializer.flush(); 14862 } catch (Exception e) { 14863 if (DEBUG_BACKUP) { 14864 Slog.e(TAG, "Unable to write preferred activities for backup", e); 14865 } 14866 return null; 14867 } 14868 14869 return dataStream.toByteArray(); 14870 } 14871 14872 @Override 14873 public void restorePreferredActivities(byte[] backup, int userId) { 14874 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14875 throw new SecurityException("Only the system may call restorePreferredActivities()"); 14876 } 14877 14878 try { 14879 final XmlPullParser parser = Xml.newPullParser(); 14880 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14881 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 14882 new BlobXmlRestorer() { 14883 @Override 14884 public void apply(XmlPullParser parser, int userId) 14885 throws XmlPullParserException, IOException { 14886 synchronized (mPackages) { 14887 mSettings.readPreferredActivitiesLPw(parser, userId); 14888 } 14889 } 14890 } ); 14891 } catch (Exception e) { 14892 if (DEBUG_BACKUP) { 14893 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 14894 } 14895 } 14896 } 14897 14898 /** 14899 * Non-Binder method, support for the backup/restore mechanism: write the 14900 * default browser (etc) settings in its canonical XML format. Returns the default 14901 * browser XML representation as a byte array, or null if there is none. 14902 */ 14903 @Override 14904 public byte[] getDefaultAppsBackup(int userId) { 14905 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14906 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 14907 } 14908 14909 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14910 try { 14911 final XmlSerializer serializer = new FastXmlSerializer(); 14912 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14913 serializer.startDocument(null, true); 14914 serializer.startTag(null, TAG_DEFAULT_APPS); 14915 14916 synchronized (mPackages) { 14917 mSettings.writeDefaultAppsLPr(serializer, userId); 14918 } 14919 14920 serializer.endTag(null, TAG_DEFAULT_APPS); 14921 serializer.endDocument(); 14922 serializer.flush(); 14923 } catch (Exception e) { 14924 if (DEBUG_BACKUP) { 14925 Slog.e(TAG, "Unable to write default apps for backup", e); 14926 } 14927 return null; 14928 } 14929 14930 return dataStream.toByteArray(); 14931 } 14932 14933 @Override 14934 public void restoreDefaultApps(byte[] backup, int userId) { 14935 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14936 throw new SecurityException("Only the system may call restoreDefaultApps()"); 14937 } 14938 14939 try { 14940 final XmlPullParser parser = Xml.newPullParser(); 14941 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14942 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 14943 new BlobXmlRestorer() { 14944 @Override 14945 public void apply(XmlPullParser parser, int userId) 14946 throws XmlPullParserException, IOException { 14947 synchronized (mPackages) { 14948 mSettings.readDefaultAppsLPw(parser, userId); 14949 } 14950 } 14951 } ); 14952 } catch (Exception e) { 14953 if (DEBUG_BACKUP) { 14954 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 14955 } 14956 } 14957 } 14958 14959 @Override 14960 public byte[] getIntentFilterVerificationBackup(int userId) { 14961 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14962 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 14963 } 14964 14965 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14966 try { 14967 final XmlSerializer serializer = new FastXmlSerializer(); 14968 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14969 serializer.startDocument(null, true); 14970 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 14971 14972 synchronized (mPackages) { 14973 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 14974 } 14975 14976 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 14977 serializer.endDocument(); 14978 serializer.flush(); 14979 } catch (Exception e) { 14980 if (DEBUG_BACKUP) { 14981 Slog.e(TAG, "Unable to write default apps for backup", e); 14982 } 14983 return null; 14984 } 14985 14986 return dataStream.toByteArray(); 14987 } 14988 14989 @Override 14990 public void restoreIntentFilterVerification(byte[] backup, int userId) { 14991 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14992 throw new SecurityException("Only the system may call restorePreferredActivities()"); 14993 } 14994 14995 try { 14996 final XmlPullParser parser = Xml.newPullParser(); 14997 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14998 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 14999 new BlobXmlRestorer() { 15000 @Override 15001 public void apply(XmlPullParser parser, int userId) 15002 throws XmlPullParserException, IOException { 15003 synchronized (mPackages) { 15004 mSettings.readAllDomainVerificationsLPr(parser, userId); 15005 mSettings.writeLPr(); 15006 } 15007 } 15008 } ); 15009 } catch (Exception e) { 15010 if (DEBUG_BACKUP) { 15011 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 15012 } 15013 } 15014 } 15015 15016 @Override 15017 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 15018 int sourceUserId, int targetUserId, int flags) { 15019 mContext.enforceCallingOrSelfPermission( 15020 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 15021 int callingUid = Binder.getCallingUid(); 15022 enforceOwnerRights(ownerPackage, callingUid); 15023 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 15024 if (intentFilter.countActions() == 0) { 15025 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 15026 return; 15027 } 15028 synchronized (mPackages) { 15029 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 15030 ownerPackage, targetUserId, flags); 15031 CrossProfileIntentResolver resolver = 15032 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 15033 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 15034 // We have all those whose filter is equal. Now checking if the rest is equal as well. 15035 if (existing != null) { 15036 int size = existing.size(); 15037 for (int i = 0; i < size; i++) { 15038 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 15039 return; 15040 } 15041 } 15042 } 15043 resolver.addFilter(newFilter); 15044 scheduleWritePackageRestrictionsLocked(sourceUserId); 15045 } 15046 } 15047 15048 @Override 15049 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 15050 mContext.enforceCallingOrSelfPermission( 15051 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 15052 int callingUid = Binder.getCallingUid(); 15053 enforceOwnerRights(ownerPackage, callingUid); 15054 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 15055 synchronized (mPackages) { 15056 CrossProfileIntentResolver resolver = 15057 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 15058 ArraySet<CrossProfileIntentFilter> set = 15059 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 15060 for (CrossProfileIntentFilter filter : set) { 15061 if (filter.getOwnerPackage().equals(ownerPackage)) { 15062 resolver.removeFilter(filter); 15063 } 15064 } 15065 scheduleWritePackageRestrictionsLocked(sourceUserId); 15066 } 15067 } 15068 15069 // Enforcing that callingUid is owning pkg on userId 15070 private void enforceOwnerRights(String pkg, int callingUid) { 15071 // The system owns everything. 15072 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 15073 return; 15074 } 15075 int callingUserId = UserHandle.getUserId(callingUid); 15076 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 15077 if (pi == null) { 15078 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 15079 + callingUserId); 15080 } 15081 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 15082 throw new SecurityException("Calling uid " + callingUid 15083 + " does not own package " + pkg); 15084 } 15085 } 15086 15087 @Override 15088 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 15089 Intent intent = new Intent(Intent.ACTION_MAIN); 15090 intent.addCategory(Intent.CATEGORY_HOME); 15091 15092 final int callingUserId = UserHandle.getCallingUserId(); 15093 List<ResolveInfo> list = queryIntentActivities(intent, null, 15094 PackageManager.GET_META_DATA, callingUserId); 15095 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 15096 true, false, false, callingUserId); 15097 15098 allHomeCandidates.clear(); 15099 if (list != null) { 15100 for (ResolveInfo ri : list) { 15101 allHomeCandidates.add(ri); 15102 } 15103 } 15104 return (preferred == null || preferred.activityInfo == null) 15105 ? null 15106 : new ComponentName(preferred.activityInfo.packageName, 15107 preferred.activityInfo.name); 15108 } 15109 15110 @Override 15111 public void setApplicationEnabledSetting(String appPackageName, 15112 int newState, int flags, int userId, String callingPackage) { 15113 if (!sUserManager.exists(userId)) return; 15114 if (callingPackage == null) { 15115 callingPackage = Integer.toString(Binder.getCallingUid()); 15116 } 15117 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 15118 } 15119 15120 @Override 15121 public void setComponentEnabledSetting(ComponentName componentName, 15122 int newState, int flags, int userId) { 15123 if (!sUserManager.exists(userId)) return; 15124 setEnabledSetting(componentName.getPackageName(), 15125 componentName.getClassName(), newState, flags, userId, null); 15126 } 15127 15128 private void setEnabledSetting(final String packageName, String className, int newState, 15129 final int flags, int userId, String callingPackage) { 15130 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 15131 || newState == COMPONENT_ENABLED_STATE_ENABLED 15132 || newState == COMPONENT_ENABLED_STATE_DISABLED 15133 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 15134 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 15135 throw new IllegalArgumentException("Invalid new component state: " 15136 + newState); 15137 } 15138 PackageSetting pkgSetting; 15139 final int uid = Binder.getCallingUid(); 15140 final int permission = mContext.checkCallingOrSelfPermission( 15141 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 15142 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 15143 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 15144 boolean sendNow = false; 15145 boolean isApp = (className == null); 15146 String componentName = isApp ? packageName : className; 15147 int packageUid = -1; 15148 ArrayList<String> components; 15149 15150 // writer 15151 synchronized (mPackages) { 15152 pkgSetting = mSettings.mPackages.get(packageName); 15153 if (pkgSetting == null) { 15154 if (className == null) { 15155 throw new IllegalArgumentException("Unknown package: " + packageName); 15156 } 15157 throw new IllegalArgumentException( 15158 "Unknown component: " + packageName + "/" + className); 15159 } 15160 // Allow root and verify that userId is not being specified by a different user 15161 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 15162 throw new SecurityException( 15163 "Permission Denial: attempt to change component state from pid=" 15164 + Binder.getCallingPid() 15165 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 15166 } 15167 if (className == null) { 15168 // We're dealing with an application/package level state change 15169 if (pkgSetting.getEnabled(userId) == newState) { 15170 // Nothing to do 15171 return; 15172 } 15173 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 15174 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 15175 // Don't care about who enables an app. 15176 callingPackage = null; 15177 } 15178 pkgSetting.setEnabled(newState, userId, callingPackage); 15179 // pkgSetting.pkg.mSetEnabled = newState; 15180 } else { 15181 // We're dealing with a component level state change 15182 // First, verify that this is a valid class name. 15183 PackageParser.Package pkg = pkgSetting.pkg; 15184 if (pkg == null || !pkg.hasComponentClassName(className)) { 15185 if (pkg != null && 15186 pkg.applicationInfo.targetSdkVersion >= 15187 Build.VERSION_CODES.JELLY_BEAN) { 15188 throw new IllegalArgumentException("Component class " + className 15189 + " does not exist in " + packageName); 15190 } else { 15191 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 15192 + className + " does not exist in " + packageName); 15193 } 15194 } 15195 switch (newState) { 15196 case COMPONENT_ENABLED_STATE_ENABLED: 15197 if (!pkgSetting.enableComponentLPw(className, userId)) { 15198 return; 15199 } 15200 break; 15201 case COMPONENT_ENABLED_STATE_DISABLED: 15202 if (!pkgSetting.disableComponentLPw(className, userId)) { 15203 return; 15204 } 15205 break; 15206 case COMPONENT_ENABLED_STATE_DEFAULT: 15207 if (!pkgSetting.restoreComponentLPw(className, userId)) { 15208 return; 15209 } 15210 break; 15211 default: 15212 Slog.e(TAG, "Invalid new component state: " + newState); 15213 return; 15214 } 15215 } 15216 scheduleWritePackageRestrictionsLocked(userId); 15217 components = mPendingBroadcasts.get(userId, packageName); 15218 final boolean newPackage = components == null; 15219 if (newPackage) { 15220 components = new ArrayList<String>(); 15221 } 15222 if (!components.contains(componentName)) { 15223 components.add(componentName); 15224 } 15225 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 15226 sendNow = true; 15227 // Purge entry from pending broadcast list if another one exists already 15228 // since we are sending one right away. 15229 mPendingBroadcasts.remove(userId, packageName); 15230 } else { 15231 if (newPackage) { 15232 mPendingBroadcasts.put(userId, packageName, components); 15233 } 15234 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 15235 // Schedule a message 15236 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 15237 } 15238 } 15239 } 15240 15241 long callingId = Binder.clearCallingIdentity(); 15242 try { 15243 if (sendNow) { 15244 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 15245 sendPackageChangedBroadcast(packageName, 15246 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 15247 } 15248 } finally { 15249 Binder.restoreCallingIdentity(callingId); 15250 } 15251 } 15252 15253 private void sendPackageChangedBroadcast(String packageName, 15254 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 15255 if (DEBUG_INSTALL) 15256 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 15257 + componentNames); 15258 Bundle extras = new Bundle(4); 15259 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 15260 String nameList[] = new String[componentNames.size()]; 15261 componentNames.toArray(nameList); 15262 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 15263 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 15264 extras.putInt(Intent.EXTRA_UID, packageUid); 15265 // If this is not reporting a change of the overall package, then only send it 15266 // to registered receivers. We don't want to launch a swath of apps for every 15267 // little component state change. 15268 final int flags = !componentNames.contains(packageName) 15269 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 15270 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 15271 new int[] {UserHandle.getUserId(packageUid)}); 15272 } 15273 15274 @Override 15275 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 15276 if (!sUserManager.exists(userId)) return; 15277 final int uid = Binder.getCallingUid(); 15278 final int permission = mContext.checkCallingOrSelfPermission( 15279 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 15280 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 15281 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 15282 // writer 15283 synchronized (mPackages) { 15284 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 15285 allowedByPermission, uid, userId)) { 15286 scheduleWritePackageRestrictionsLocked(userId); 15287 } 15288 } 15289 } 15290 15291 @Override 15292 public String getInstallerPackageName(String packageName) { 15293 // reader 15294 synchronized (mPackages) { 15295 return mSettings.getInstallerPackageNameLPr(packageName); 15296 } 15297 } 15298 15299 @Override 15300 public int getApplicationEnabledSetting(String packageName, int userId) { 15301 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 15302 int uid = Binder.getCallingUid(); 15303 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 15304 // reader 15305 synchronized (mPackages) { 15306 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 15307 } 15308 } 15309 15310 @Override 15311 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 15312 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 15313 int uid = Binder.getCallingUid(); 15314 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 15315 // reader 15316 synchronized (mPackages) { 15317 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 15318 } 15319 } 15320 15321 @Override 15322 public void enterSafeMode() { 15323 enforceSystemOrRoot("Only the system can request entering safe mode"); 15324 15325 if (!mSystemReady) { 15326 mSafeMode = true; 15327 } 15328 } 15329 15330 @Override 15331 public void systemReady() { 15332 mSystemReady = true; 15333 15334 // Read the compatibilty setting when the system is ready. 15335 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 15336 mContext.getContentResolver(), 15337 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 15338 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 15339 if (DEBUG_SETTINGS) { 15340 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 15341 } 15342 15343 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 15344 15345 synchronized (mPackages) { 15346 // Verify that all of the preferred activity components actually 15347 // exist. It is possible for applications to be updated and at 15348 // that point remove a previously declared activity component that 15349 // had been set as a preferred activity. We try to clean this up 15350 // the next time we encounter that preferred activity, but it is 15351 // possible for the user flow to never be able to return to that 15352 // situation so here we do a sanity check to make sure we haven't 15353 // left any junk around. 15354 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 15355 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 15356 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 15357 removed.clear(); 15358 for (PreferredActivity pa : pir.filterSet()) { 15359 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 15360 removed.add(pa); 15361 } 15362 } 15363 if (removed.size() > 0) { 15364 for (int r=0; r<removed.size(); r++) { 15365 PreferredActivity pa = removed.get(r); 15366 Slog.w(TAG, "Removing dangling preferred activity: " 15367 + pa.mPref.mComponent); 15368 pir.removeFilter(pa); 15369 } 15370 mSettings.writePackageRestrictionsLPr( 15371 mSettings.mPreferredActivities.keyAt(i)); 15372 } 15373 } 15374 15375 for (int userId : UserManagerService.getInstance().getUserIds()) { 15376 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 15377 grantPermissionsUserIds = ArrayUtils.appendInt( 15378 grantPermissionsUserIds, userId); 15379 } 15380 } 15381 } 15382 sUserManager.systemReady(); 15383 15384 // If we upgraded grant all default permissions before kicking off. 15385 for (int userId : grantPermissionsUserIds) { 15386 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 15387 } 15388 15389 // Kick off any messages waiting for system ready 15390 if (mPostSystemReadyMessages != null) { 15391 for (Message msg : mPostSystemReadyMessages) { 15392 msg.sendToTarget(); 15393 } 15394 mPostSystemReadyMessages = null; 15395 } 15396 15397 // Watch for external volumes that come and go over time 15398 final StorageManager storage = mContext.getSystemService(StorageManager.class); 15399 storage.registerListener(mStorageListener); 15400 15401 mInstallerService.systemReady(); 15402 mPackageDexOptimizer.systemReady(); 15403 15404 MountServiceInternal mountServiceInternal = LocalServices.getService( 15405 MountServiceInternal.class); 15406 mountServiceInternal.addExternalStoragePolicy( 15407 new MountServiceInternal.ExternalStorageMountPolicy() { 15408 @Override 15409 public int getMountMode(int uid, String packageName) { 15410 if (Process.isIsolated(uid)) { 15411 return Zygote.MOUNT_EXTERNAL_NONE; 15412 } 15413 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 15414 return Zygote.MOUNT_EXTERNAL_DEFAULT; 15415 } 15416 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 15417 return Zygote.MOUNT_EXTERNAL_DEFAULT; 15418 } 15419 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 15420 return Zygote.MOUNT_EXTERNAL_READ; 15421 } 15422 return Zygote.MOUNT_EXTERNAL_WRITE; 15423 } 15424 15425 @Override 15426 public boolean hasExternalStorage(int uid, String packageName) { 15427 return true; 15428 } 15429 }); 15430 } 15431 15432 @Override 15433 public boolean isSafeMode() { 15434 return mSafeMode; 15435 } 15436 15437 @Override 15438 public boolean hasSystemUidErrors() { 15439 return mHasSystemUidErrors; 15440 } 15441 15442 static String arrayToString(int[] array) { 15443 StringBuffer buf = new StringBuffer(128); 15444 buf.append('['); 15445 if (array != null) { 15446 for (int i=0; i<array.length; i++) { 15447 if (i > 0) buf.append(", "); 15448 buf.append(array[i]); 15449 } 15450 } 15451 buf.append(']'); 15452 return buf.toString(); 15453 } 15454 15455 static class DumpState { 15456 public static final int DUMP_LIBS = 1 << 0; 15457 public static final int DUMP_FEATURES = 1 << 1; 15458 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 15459 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 15460 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 15461 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 15462 public static final int DUMP_PERMISSIONS = 1 << 6; 15463 public static final int DUMP_PACKAGES = 1 << 7; 15464 public static final int DUMP_SHARED_USERS = 1 << 8; 15465 public static final int DUMP_MESSAGES = 1 << 9; 15466 public static final int DUMP_PROVIDERS = 1 << 10; 15467 public static final int DUMP_VERIFIERS = 1 << 11; 15468 public static final int DUMP_PREFERRED = 1 << 12; 15469 public static final int DUMP_PREFERRED_XML = 1 << 13; 15470 public static final int DUMP_KEYSETS = 1 << 14; 15471 public static final int DUMP_VERSION = 1 << 15; 15472 public static final int DUMP_INSTALLS = 1 << 16; 15473 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 15474 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 15475 15476 public static final int OPTION_SHOW_FILTERS = 1 << 0; 15477 15478 private int mTypes; 15479 15480 private int mOptions; 15481 15482 private boolean mTitlePrinted; 15483 15484 private SharedUserSetting mSharedUser; 15485 15486 public boolean isDumping(int type) { 15487 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 15488 return true; 15489 } 15490 15491 return (mTypes & type) != 0; 15492 } 15493 15494 public void setDump(int type) { 15495 mTypes |= type; 15496 } 15497 15498 public boolean isOptionEnabled(int option) { 15499 return (mOptions & option) != 0; 15500 } 15501 15502 public void setOptionEnabled(int option) { 15503 mOptions |= option; 15504 } 15505 15506 public boolean onTitlePrinted() { 15507 final boolean printed = mTitlePrinted; 15508 mTitlePrinted = true; 15509 return printed; 15510 } 15511 15512 public boolean getTitlePrinted() { 15513 return mTitlePrinted; 15514 } 15515 15516 public void setTitlePrinted(boolean enabled) { 15517 mTitlePrinted = enabled; 15518 } 15519 15520 public SharedUserSetting getSharedUser() { 15521 return mSharedUser; 15522 } 15523 15524 public void setSharedUser(SharedUserSetting user) { 15525 mSharedUser = user; 15526 } 15527 } 15528 15529 @Override 15530 public void onShellCommand(FileDescriptor in, FileDescriptor out, 15531 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 15532 (new PackageManagerShellCommand(this)).exec( 15533 this, in, out, err, args, resultReceiver); 15534 } 15535 15536 @Override 15537 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 15538 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 15539 != PackageManager.PERMISSION_GRANTED) { 15540 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 15541 + Binder.getCallingPid() 15542 + ", uid=" + Binder.getCallingUid() 15543 + " without permission " 15544 + android.Manifest.permission.DUMP); 15545 return; 15546 } 15547 15548 DumpState dumpState = new DumpState(); 15549 boolean fullPreferred = false; 15550 boolean checkin = false; 15551 15552 String packageName = null; 15553 ArraySet<String> permissionNames = null; 15554 15555 int opti = 0; 15556 while (opti < args.length) { 15557 String opt = args[opti]; 15558 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 15559 break; 15560 } 15561 opti++; 15562 15563 if ("-a".equals(opt)) { 15564 // Right now we only know how to print all. 15565 } else if ("-h".equals(opt)) { 15566 pw.println("Package manager dump options:"); 15567 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 15568 pw.println(" --checkin: dump for a checkin"); 15569 pw.println(" -f: print details of intent filters"); 15570 pw.println(" -h: print this help"); 15571 pw.println(" cmd may be one of:"); 15572 pw.println(" l[ibraries]: list known shared libraries"); 15573 pw.println(" f[eatures]: list device features"); 15574 pw.println(" k[eysets]: print known keysets"); 15575 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 15576 pw.println(" perm[issions]: dump permissions"); 15577 pw.println(" permission [name ...]: dump declaration and use of given permission"); 15578 pw.println(" pref[erred]: print preferred package settings"); 15579 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 15580 pw.println(" prov[iders]: dump content providers"); 15581 pw.println(" p[ackages]: dump installed packages"); 15582 pw.println(" s[hared-users]: dump shared user IDs"); 15583 pw.println(" m[essages]: print collected runtime messages"); 15584 pw.println(" v[erifiers]: print package verifier info"); 15585 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 15586 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 15587 pw.println(" version: print database version info"); 15588 pw.println(" write: write current settings now"); 15589 pw.println(" installs: details about install sessions"); 15590 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 15591 pw.println(" <package.name>: info about given package"); 15592 return; 15593 } else if ("--checkin".equals(opt)) { 15594 checkin = true; 15595 } else if ("-f".equals(opt)) { 15596 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 15597 } else { 15598 pw.println("Unknown argument: " + opt + "; use -h for help"); 15599 } 15600 } 15601 15602 // Is the caller requesting to dump a particular piece of data? 15603 if (opti < args.length) { 15604 String cmd = args[opti]; 15605 opti++; 15606 // Is this a package name? 15607 if ("android".equals(cmd) || cmd.contains(".")) { 15608 packageName = cmd; 15609 // When dumping a single package, we always dump all of its 15610 // filter information since the amount of data will be reasonable. 15611 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 15612 } else if ("check-permission".equals(cmd)) { 15613 if (opti >= args.length) { 15614 pw.println("Error: check-permission missing permission argument"); 15615 return; 15616 } 15617 String perm = args[opti]; 15618 opti++; 15619 if (opti >= args.length) { 15620 pw.println("Error: check-permission missing package argument"); 15621 return; 15622 } 15623 String pkg = args[opti]; 15624 opti++; 15625 int user = UserHandle.getUserId(Binder.getCallingUid()); 15626 if (opti < args.length) { 15627 try { 15628 user = Integer.parseInt(args[opti]); 15629 } catch (NumberFormatException e) { 15630 pw.println("Error: check-permission user argument is not a number: " 15631 + args[opti]); 15632 return; 15633 } 15634 } 15635 pw.println(checkPermission(perm, pkg, user)); 15636 return; 15637 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 15638 dumpState.setDump(DumpState.DUMP_LIBS); 15639 } else if ("f".equals(cmd) || "features".equals(cmd)) { 15640 dumpState.setDump(DumpState.DUMP_FEATURES); 15641 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 15642 if (opti >= args.length) { 15643 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 15644 | DumpState.DUMP_SERVICE_RESOLVERS 15645 | DumpState.DUMP_RECEIVER_RESOLVERS 15646 | DumpState.DUMP_CONTENT_RESOLVERS); 15647 } else { 15648 while (opti < args.length) { 15649 String name = args[opti]; 15650 if ("a".equals(name) || "activity".equals(name)) { 15651 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 15652 } else if ("s".equals(name) || "service".equals(name)) { 15653 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 15654 } else if ("r".equals(name) || "receiver".equals(name)) { 15655 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 15656 } else if ("c".equals(name) || "content".equals(name)) { 15657 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 15658 } else { 15659 pw.println("Error: unknown resolver table type: " + name); 15660 return; 15661 } 15662 opti++; 15663 } 15664 } 15665 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 15666 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 15667 } else if ("permission".equals(cmd)) { 15668 if (opti >= args.length) { 15669 pw.println("Error: permission requires permission name"); 15670 return; 15671 } 15672 permissionNames = new ArraySet<>(); 15673 while (opti < args.length) { 15674 permissionNames.add(args[opti]); 15675 opti++; 15676 } 15677 dumpState.setDump(DumpState.DUMP_PERMISSIONS 15678 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 15679 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 15680 dumpState.setDump(DumpState.DUMP_PREFERRED); 15681 } else if ("preferred-xml".equals(cmd)) { 15682 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 15683 if (opti < args.length && "--full".equals(args[opti])) { 15684 fullPreferred = true; 15685 opti++; 15686 } 15687 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 15688 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 15689 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 15690 dumpState.setDump(DumpState.DUMP_PACKAGES); 15691 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 15692 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 15693 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 15694 dumpState.setDump(DumpState.DUMP_PROVIDERS); 15695 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 15696 dumpState.setDump(DumpState.DUMP_MESSAGES); 15697 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 15698 dumpState.setDump(DumpState.DUMP_VERIFIERS); 15699 } else if ("i".equals(cmd) || "ifv".equals(cmd) 15700 || "intent-filter-verifiers".equals(cmd)) { 15701 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 15702 } else if ("version".equals(cmd)) { 15703 dumpState.setDump(DumpState.DUMP_VERSION); 15704 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 15705 dumpState.setDump(DumpState.DUMP_KEYSETS); 15706 } else if ("installs".equals(cmd)) { 15707 dumpState.setDump(DumpState.DUMP_INSTALLS); 15708 } else if ("write".equals(cmd)) { 15709 synchronized (mPackages) { 15710 mSettings.writeLPr(); 15711 pw.println("Settings written."); 15712 return; 15713 } 15714 } 15715 } 15716 15717 if (checkin) { 15718 pw.println("vers,1"); 15719 } 15720 15721 // reader 15722 synchronized (mPackages) { 15723 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 15724 if (!checkin) { 15725 if (dumpState.onTitlePrinted()) 15726 pw.println(); 15727 pw.println("Database versions:"); 15728 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 15729 } 15730 } 15731 15732 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 15733 if (!checkin) { 15734 if (dumpState.onTitlePrinted()) 15735 pw.println(); 15736 pw.println("Verifiers:"); 15737 pw.print(" Required: "); 15738 pw.print(mRequiredVerifierPackage); 15739 pw.print(" (uid="); 15740 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 15741 UserHandle.USER_SYSTEM)); 15742 pw.println(")"); 15743 } else if (mRequiredVerifierPackage != null) { 15744 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 15745 pw.print(","); 15746 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 15747 UserHandle.USER_SYSTEM)); 15748 } 15749 } 15750 15751 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 15752 packageName == null) { 15753 if (mIntentFilterVerifierComponent != null) { 15754 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 15755 if (!checkin) { 15756 if (dumpState.onTitlePrinted()) 15757 pw.println(); 15758 pw.println("Intent Filter Verifier:"); 15759 pw.print(" Using: "); 15760 pw.print(verifierPackageName); 15761 pw.print(" (uid="); 15762 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 15763 UserHandle.USER_SYSTEM)); 15764 pw.println(")"); 15765 } else if (verifierPackageName != null) { 15766 pw.print("ifv,"); pw.print(verifierPackageName); 15767 pw.print(","); 15768 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 15769 UserHandle.USER_SYSTEM)); 15770 } 15771 } else { 15772 pw.println(); 15773 pw.println("No Intent Filter Verifier available!"); 15774 } 15775 } 15776 15777 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 15778 boolean printedHeader = false; 15779 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 15780 while (it.hasNext()) { 15781 String name = it.next(); 15782 SharedLibraryEntry ent = mSharedLibraries.get(name); 15783 if (!checkin) { 15784 if (!printedHeader) { 15785 if (dumpState.onTitlePrinted()) 15786 pw.println(); 15787 pw.println("Libraries:"); 15788 printedHeader = true; 15789 } 15790 pw.print(" "); 15791 } else { 15792 pw.print("lib,"); 15793 } 15794 pw.print(name); 15795 if (!checkin) { 15796 pw.print(" -> "); 15797 } 15798 if (ent.path != null) { 15799 if (!checkin) { 15800 pw.print("(jar) "); 15801 pw.print(ent.path); 15802 } else { 15803 pw.print(",jar,"); 15804 pw.print(ent.path); 15805 } 15806 } else { 15807 if (!checkin) { 15808 pw.print("(apk) "); 15809 pw.print(ent.apk); 15810 } else { 15811 pw.print(",apk,"); 15812 pw.print(ent.apk); 15813 } 15814 } 15815 pw.println(); 15816 } 15817 } 15818 15819 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 15820 if (dumpState.onTitlePrinted()) 15821 pw.println(); 15822 if (!checkin) { 15823 pw.println("Features:"); 15824 } 15825 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 15826 while (it.hasNext()) { 15827 String name = it.next(); 15828 if (!checkin) { 15829 pw.print(" "); 15830 } else { 15831 pw.print("feat,"); 15832 } 15833 pw.println(name); 15834 } 15835 } 15836 15837 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 15838 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 15839 : "Activity Resolver Table:", " ", packageName, 15840 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15841 dumpState.setTitlePrinted(true); 15842 } 15843 } 15844 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 15845 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 15846 : "Receiver Resolver Table:", " ", packageName, 15847 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15848 dumpState.setTitlePrinted(true); 15849 } 15850 } 15851 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 15852 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 15853 : "Service Resolver Table:", " ", packageName, 15854 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15855 dumpState.setTitlePrinted(true); 15856 } 15857 } 15858 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 15859 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 15860 : "Provider Resolver Table:", " ", packageName, 15861 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15862 dumpState.setTitlePrinted(true); 15863 } 15864 } 15865 15866 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 15867 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 15868 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 15869 int user = mSettings.mPreferredActivities.keyAt(i); 15870 if (pir.dump(pw, 15871 dumpState.getTitlePrinted() 15872 ? "\nPreferred Activities User " + user + ":" 15873 : "Preferred Activities User " + user + ":", " ", 15874 packageName, true, false)) { 15875 dumpState.setTitlePrinted(true); 15876 } 15877 } 15878 } 15879 15880 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 15881 pw.flush(); 15882 FileOutputStream fout = new FileOutputStream(fd); 15883 BufferedOutputStream str = new BufferedOutputStream(fout); 15884 XmlSerializer serializer = new FastXmlSerializer(); 15885 try { 15886 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 15887 serializer.startDocument(null, true); 15888 serializer.setFeature( 15889 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 15890 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 15891 serializer.endDocument(); 15892 serializer.flush(); 15893 } catch (IllegalArgumentException e) { 15894 pw.println("Failed writing: " + e); 15895 } catch (IllegalStateException e) { 15896 pw.println("Failed writing: " + e); 15897 } catch (IOException e) { 15898 pw.println("Failed writing: " + e); 15899 } 15900 } 15901 15902 if (!checkin 15903 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 15904 && packageName == null) { 15905 pw.println(); 15906 int count = mSettings.mPackages.size(); 15907 if (count == 0) { 15908 pw.println("No applications!"); 15909 pw.println(); 15910 } else { 15911 final String prefix = " "; 15912 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 15913 if (allPackageSettings.size() == 0) { 15914 pw.println("No domain preferred apps!"); 15915 pw.println(); 15916 } else { 15917 pw.println("App verification status:"); 15918 pw.println(); 15919 count = 0; 15920 for (PackageSetting ps : allPackageSettings) { 15921 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 15922 if (ivi == null || ivi.getPackageName() == null) continue; 15923 pw.println(prefix + "Package: " + ivi.getPackageName()); 15924 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 15925 pw.println(prefix + "Status: " + ivi.getStatusString()); 15926 pw.println(); 15927 count++; 15928 } 15929 if (count == 0) { 15930 pw.println(prefix + "No app verification established."); 15931 pw.println(); 15932 } 15933 for (int userId : sUserManager.getUserIds()) { 15934 pw.println("App linkages for user " + userId + ":"); 15935 pw.println(); 15936 count = 0; 15937 for (PackageSetting ps : allPackageSettings) { 15938 final long status = ps.getDomainVerificationStatusForUser(userId); 15939 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 15940 continue; 15941 } 15942 pw.println(prefix + "Package: " + ps.name); 15943 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 15944 String statusStr = IntentFilterVerificationInfo. 15945 getStatusStringFromValue(status); 15946 pw.println(prefix + "Status: " + statusStr); 15947 pw.println(); 15948 count++; 15949 } 15950 if (count == 0) { 15951 pw.println(prefix + "No configured app linkages."); 15952 pw.println(); 15953 } 15954 } 15955 } 15956 } 15957 } 15958 15959 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 15960 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 15961 if (packageName == null && permissionNames == null) { 15962 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 15963 if (iperm == 0) { 15964 if (dumpState.onTitlePrinted()) 15965 pw.println(); 15966 pw.println("AppOp Permissions:"); 15967 } 15968 pw.print(" AppOp Permission "); 15969 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 15970 pw.println(":"); 15971 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 15972 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 15973 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 15974 } 15975 } 15976 } 15977 } 15978 15979 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 15980 boolean printedSomething = false; 15981 for (PackageParser.Provider p : mProviders.mProviders.values()) { 15982 if (packageName != null && !packageName.equals(p.info.packageName)) { 15983 continue; 15984 } 15985 if (!printedSomething) { 15986 if (dumpState.onTitlePrinted()) 15987 pw.println(); 15988 pw.println("Registered ContentProviders:"); 15989 printedSomething = true; 15990 } 15991 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 15992 pw.print(" "); pw.println(p.toString()); 15993 } 15994 printedSomething = false; 15995 for (Map.Entry<String, PackageParser.Provider> entry : 15996 mProvidersByAuthority.entrySet()) { 15997 PackageParser.Provider p = entry.getValue(); 15998 if (packageName != null && !packageName.equals(p.info.packageName)) { 15999 continue; 16000 } 16001 if (!printedSomething) { 16002 if (dumpState.onTitlePrinted()) 16003 pw.println(); 16004 pw.println("ContentProvider Authorities:"); 16005 printedSomething = true; 16006 } 16007 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 16008 pw.print(" "); pw.println(p.toString()); 16009 if (p.info != null && p.info.applicationInfo != null) { 16010 final String appInfo = p.info.applicationInfo.toString(); 16011 pw.print(" applicationInfo="); pw.println(appInfo); 16012 } 16013 } 16014 } 16015 16016 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 16017 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 16018 } 16019 16020 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 16021 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 16022 } 16023 16024 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 16025 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 16026 } 16027 16028 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 16029 // XXX should handle packageName != null by dumping only install data that 16030 // the given package is involved with. 16031 if (dumpState.onTitlePrinted()) pw.println(); 16032 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 16033 } 16034 16035 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 16036 if (dumpState.onTitlePrinted()) pw.println(); 16037 mSettings.dumpReadMessagesLPr(pw, dumpState); 16038 16039 pw.println(); 16040 pw.println("Package warning messages:"); 16041 BufferedReader in = null; 16042 String line = null; 16043 try { 16044 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 16045 while ((line = in.readLine()) != null) { 16046 if (line.contains("ignored: updated version")) continue; 16047 pw.println(line); 16048 } 16049 } catch (IOException ignored) { 16050 } finally { 16051 IoUtils.closeQuietly(in); 16052 } 16053 } 16054 16055 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 16056 BufferedReader in = null; 16057 String line = null; 16058 try { 16059 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 16060 while ((line = in.readLine()) != null) { 16061 if (line.contains("ignored: updated version")) continue; 16062 pw.print("msg,"); 16063 pw.println(line); 16064 } 16065 } catch (IOException ignored) { 16066 } finally { 16067 IoUtils.closeQuietly(in); 16068 } 16069 } 16070 } 16071 } 16072 16073 private String dumpDomainString(String packageName) { 16074 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName); 16075 List<IntentFilter> filters = getAllIntentFilters(packageName); 16076 16077 ArraySet<String> result = new ArraySet<>(); 16078 if (iviList.size() > 0) { 16079 for (IntentFilterVerificationInfo ivi : iviList) { 16080 for (String host : ivi.getDomains()) { 16081 result.add(host); 16082 } 16083 } 16084 } 16085 if (filters != null && filters.size() > 0) { 16086 for (IntentFilter filter : filters) { 16087 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 16088 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 16089 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 16090 result.addAll(filter.getHostsList()); 16091 } 16092 } 16093 } 16094 16095 StringBuilder sb = new StringBuilder(result.size() * 16); 16096 for (String domain : result) { 16097 if (sb.length() > 0) sb.append(" "); 16098 sb.append(domain); 16099 } 16100 return sb.toString(); 16101 } 16102 16103 // ------- apps on sdcard specific code ------- 16104 static final boolean DEBUG_SD_INSTALL = false; 16105 16106 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 16107 16108 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 16109 16110 private boolean mMediaMounted = false; 16111 16112 static String getEncryptKey() { 16113 try { 16114 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 16115 SD_ENCRYPTION_KEYSTORE_NAME); 16116 if (sdEncKey == null) { 16117 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 16118 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 16119 if (sdEncKey == null) { 16120 Slog.e(TAG, "Failed to create encryption keys"); 16121 return null; 16122 } 16123 } 16124 return sdEncKey; 16125 } catch (NoSuchAlgorithmException nsae) { 16126 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 16127 return null; 16128 } catch (IOException ioe) { 16129 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 16130 return null; 16131 } 16132 } 16133 16134 /* 16135 * Update media status on PackageManager. 16136 */ 16137 @Override 16138 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 16139 int callingUid = Binder.getCallingUid(); 16140 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 16141 throw new SecurityException("Media status can only be updated by the system"); 16142 } 16143 // reader; this apparently protects mMediaMounted, but should probably 16144 // be a different lock in that case. 16145 synchronized (mPackages) { 16146 Log.i(TAG, "Updating external media status from " 16147 + (mMediaMounted ? "mounted" : "unmounted") + " to " 16148 + (mediaStatus ? "mounted" : "unmounted")); 16149 if (DEBUG_SD_INSTALL) 16150 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 16151 + ", mMediaMounted=" + mMediaMounted); 16152 if (mediaStatus == mMediaMounted) { 16153 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 16154 : 0, -1); 16155 mHandler.sendMessage(msg); 16156 return; 16157 } 16158 mMediaMounted = mediaStatus; 16159 } 16160 // Queue up an async operation since the package installation may take a 16161 // little while. 16162 mHandler.post(new Runnable() { 16163 public void run() { 16164 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 16165 } 16166 }); 16167 } 16168 16169 /** 16170 * Called by MountService when the initial ASECs to scan are available. 16171 * Should block until all the ASEC containers are finished being scanned. 16172 */ 16173 public void scanAvailableAsecs() { 16174 updateExternalMediaStatusInner(true, false, false); 16175 if (mShouldRestoreconData) { 16176 SELinuxMMAC.setRestoreconDone(); 16177 mShouldRestoreconData = false; 16178 } 16179 } 16180 16181 /* 16182 * Collect information of applications on external media, map them against 16183 * existing containers and update information based on current mount status. 16184 * Please note that we always have to report status if reportStatus has been 16185 * set to true especially when unloading packages. 16186 */ 16187 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 16188 boolean externalStorage) { 16189 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 16190 int[] uidArr = EmptyArray.INT; 16191 16192 final String[] list = PackageHelper.getSecureContainerList(); 16193 if (ArrayUtils.isEmpty(list)) { 16194 Log.i(TAG, "No secure containers found"); 16195 } else { 16196 // Process list of secure containers and categorize them 16197 // as active or stale based on their package internal state. 16198 16199 // reader 16200 synchronized (mPackages) { 16201 for (String cid : list) { 16202 // Leave stages untouched for now; installer service owns them 16203 if (PackageInstallerService.isStageName(cid)) continue; 16204 16205 if (DEBUG_SD_INSTALL) 16206 Log.i(TAG, "Processing container " + cid); 16207 String pkgName = getAsecPackageName(cid); 16208 if (pkgName == null) { 16209 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 16210 continue; 16211 } 16212 if (DEBUG_SD_INSTALL) 16213 Log.i(TAG, "Looking for pkg : " + pkgName); 16214 16215 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16216 if (ps == null) { 16217 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 16218 continue; 16219 } 16220 16221 /* 16222 * Skip packages that are not external if we're unmounting 16223 * external storage. 16224 */ 16225 if (externalStorage && !isMounted && !isExternal(ps)) { 16226 continue; 16227 } 16228 16229 final AsecInstallArgs args = new AsecInstallArgs(cid, 16230 getAppDexInstructionSets(ps), ps.isForwardLocked()); 16231 // The package status is changed only if the code path 16232 // matches between settings and the container id. 16233 if (ps.codePathString != null 16234 && ps.codePathString.startsWith(args.getCodePath())) { 16235 if (DEBUG_SD_INSTALL) { 16236 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 16237 + " at code path: " + ps.codePathString); 16238 } 16239 16240 // We do have a valid package installed on sdcard 16241 processCids.put(args, ps.codePathString); 16242 final int uid = ps.appId; 16243 if (uid != -1) { 16244 uidArr = ArrayUtils.appendInt(uidArr, uid); 16245 } 16246 } else { 16247 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 16248 + ps.codePathString); 16249 } 16250 } 16251 } 16252 16253 Arrays.sort(uidArr); 16254 } 16255 16256 // Process packages with valid entries. 16257 if (isMounted) { 16258 if (DEBUG_SD_INSTALL) 16259 Log.i(TAG, "Loading packages"); 16260 loadMediaPackages(processCids, uidArr, externalStorage); 16261 startCleaningPackages(); 16262 mInstallerService.onSecureContainersAvailable(); 16263 } else { 16264 if (DEBUG_SD_INSTALL) 16265 Log.i(TAG, "Unloading packages"); 16266 unloadMediaPackages(processCids, uidArr, reportStatus); 16267 } 16268 } 16269 16270 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 16271 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 16272 final int size = infos.size(); 16273 final String[] packageNames = new String[size]; 16274 final int[] packageUids = new int[size]; 16275 for (int i = 0; i < size; i++) { 16276 final ApplicationInfo info = infos.get(i); 16277 packageNames[i] = info.packageName; 16278 packageUids[i] = info.uid; 16279 } 16280 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 16281 finishedReceiver); 16282 } 16283 16284 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 16285 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 16286 sendResourcesChangedBroadcast(mediaStatus, replacing, 16287 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 16288 } 16289 16290 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 16291 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 16292 int size = pkgList.length; 16293 if (size > 0) { 16294 // Send broadcasts here 16295 Bundle extras = new Bundle(); 16296 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 16297 if (uidArr != null) { 16298 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 16299 } 16300 if (replacing) { 16301 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 16302 } 16303 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 16304 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 16305 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 16306 } 16307 } 16308 16309 /* 16310 * Look at potentially valid container ids from processCids If package 16311 * information doesn't match the one on record or package scanning fails, 16312 * the cid is added to list of removeCids. We currently don't delete stale 16313 * containers. 16314 */ 16315 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 16316 boolean externalStorage) { 16317 ArrayList<String> pkgList = new ArrayList<String>(); 16318 Set<AsecInstallArgs> keys = processCids.keySet(); 16319 16320 for (AsecInstallArgs args : keys) { 16321 String codePath = processCids.get(args); 16322 if (DEBUG_SD_INSTALL) 16323 Log.i(TAG, "Loading container : " + args.cid); 16324 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 16325 try { 16326 // Make sure there are no container errors first. 16327 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 16328 Slog.e(TAG, "Failed to mount cid : " + args.cid 16329 + " when installing from sdcard"); 16330 continue; 16331 } 16332 // Check code path here. 16333 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 16334 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 16335 + " does not match one in settings " + codePath); 16336 continue; 16337 } 16338 // Parse package 16339 int parseFlags = mDefParseFlags; 16340 if (args.isExternalAsec()) { 16341 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 16342 } 16343 if (args.isFwdLocked()) { 16344 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 16345 } 16346 16347 synchronized (mInstallLock) { 16348 PackageParser.Package pkg = null; 16349 try { 16350 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 0, 0, null); 16351 } catch (PackageManagerException e) { 16352 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 16353 } 16354 // Scan the package 16355 if (pkg != null) { 16356 /* 16357 * TODO why is the lock being held? doPostInstall is 16358 * called in other places without the lock. This needs 16359 * to be straightened out. 16360 */ 16361 // writer 16362 synchronized (mPackages) { 16363 retCode = PackageManager.INSTALL_SUCCEEDED; 16364 pkgList.add(pkg.packageName); 16365 // Post process args 16366 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 16367 pkg.applicationInfo.uid); 16368 } 16369 } else { 16370 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 16371 } 16372 } 16373 16374 } finally { 16375 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 16376 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 16377 } 16378 } 16379 } 16380 // writer 16381 synchronized (mPackages) { 16382 // If the platform SDK has changed since the last time we booted, 16383 // we need to re-grant app permission to catch any new ones that 16384 // appear. This is really a hack, and means that apps can in some 16385 // cases get permissions that the user didn't initially explicitly 16386 // allow... it would be nice to have some better way to handle 16387 // this situation. 16388 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 16389 : mSettings.getInternalVersion(); 16390 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 16391 : StorageManager.UUID_PRIVATE_INTERNAL; 16392 16393 int updateFlags = UPDATE_PERMISSIONS_ALL; 16394 if (ver.sdkVersion != mSdkVersion) { 16395 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 16396 + mSdkVersion + "; regranting permissions for external"); 16397 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 16398 } 16399 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 16400 16401 // Yay, everything is now upgraded 16402 ver.forceCurrent(); 16403 16404 // can downgrade to reader 16405 // Persist settings 16406 mSettings.writeLPr(); 16407 } 16408 // Send a broadcast to let everyone know we are done processing 16409 if (pkgList.size() > 0) { 16410 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 16411 } 16412 } 16413 16414 /* 16415 * Utility method to unload a list of specified containers 16416 */ 16417 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 16418 // Just unmount all valid containers. 16419 for (AsecInstallArgs arg : cidArgs) { 16420 synchronized (mInstallLock) { 16421 arg.doPostDeleteLI(false); 16422 } 16423 } 16424 } 16425 16426 /* 16427 * Unload packages mounted on external media. This involves deleting package 16428 * data from internal structures, sending broadcasts about diabled packages, 16429 * gc'ing to free up references, unmounting all secure containers 16430 * corresponding to packages on external media, and posting a 16431 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 16432 * that we always have to post this message if status has been requested no 16433 * matter what. 16434 */ 16435 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 16436 final boolean reportStatus) { 16437 if (DEBUG_SD_INSTALL) 16438 Log.i(TAG, "unloading media packages"); 16439 ArrayList<String> pkgList = new ArrayList<String>(); 16440 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 16441 final Set<AsecInstallArgs> keys = processCids.keySet(); 16442 for (AsecInstallArgs args : keys) { 16443 String pkgName = args.getPackageName(); 16444 if (DEBUG_SD_INSTALL) 16445 Log.i(TAG, "Trying to unload pkg : " + pkgName); 16446 // Delete package internally 16447 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 16448 synchronized (mInstallLock) { 16449 boolean res = deletePackageLI(pkgName, null, false, null, null, 16450 PackageManager.DELETE_KEEP_DATA, outInfo, false); 16451 if (res) { 16452 pkgList.add(pkgName); 16453 } else { 16454 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 16455 failedList.add(args); 16456 } 16457 } 16458 } 16459 16460 // reader 16461 synchronized (mPackages) { 16462 // We didn't update the settings after removing each package; 16463 // write them now for all packages. 16464 mSettings.writeLPr(); 16465 } 16466 16467 // We have to absolutely send UPDATED_MEDIA_STATUS only 16468 // after confirming that all the receivers processed the ordered 16469 // broadcast when packages get disabled, force a gc to clean things up. 16470 // and unload all the containers. 16471 if (pkgList.size() > 0) { 16472 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 16473 new IIntentReceiver.Stub() { 16474 public void performReceive(Intent intent, int resultCode, String data, 16475 Bundle extras, boolean ordered, boolean sticky, 16476 int sendingUser) throws RemoteException { 16477 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 16478 reportStatus ? 1 : 0, 1, keys); 16479 mHandler.sendMessage(msg); 16480 } 16481 }); 16482 } else { 16483 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 16484 keys); 16485 mHandler.sendMessage(msg); 16486 } 16487 } 16488 16489 private void loadPrivatePackages(final VolumeInfo vol) { 16490 mHandler.post(new Runnable() { 16491 @Override 16492 public void run() { 16493 loadPrivatePackagesInner(vol); 16494 } 16495 }); 16496 } 16497 16498 private void loadPrivatePackagesInner(VolumeInfo vol) { 16499 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 16500 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 16501 16502 final VersionInfo ver; 16503 final List<PackageSetting> packages; 16504 synchronized (mPackages) { 16505 ver = mSettings.findOrCreateVersion(vol.fsUuid); 16506 packages = mSettings.getVolumePackagesLPr(vol.fsUuid); 16507 } 16508 16509 for (PackageSetting ps : packages) { 16510 synchronized (mInstallLock) { 16511 final PackageParser.Package pkg; 16512 try { 16513 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 16514 loaded.add(pkg.applicationInfo); 16515 } catch (PackageManagerException e) { 16516 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 16517 } 16518 16519 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 16520 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 16521 } 16522 } 16523 } 16524 16525 synchronized (mPackages) { 16526 int updateFlags = UPDATE_PERMISSIONS_ALL; 16527 if (ver.sdkVersion != mSdkVersion) { 16528 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 16529 + mSdkVersion + "; regranting permissions for " + vol.fsUuid); 16530 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 16531 } 16532 updatePermissionsLPw(null, null, vol.fsUuid, updateFlags); 16533 16534 // Yay, everything is now upgraded 16535 ver.forceCurrent(); 16536 16537 mSettings.writeLPr(); 16538 } 16539 16540 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 16541 sendResourcesChangedBroadcast(true, false, loaded, null); 16542 } 16543 16544 private void unloadPrivatePackages(final VolumeInfo vol) { 16545 mHandler.post(new Runnable() { 16546 @Override 16547 public void run() { 16548 unloadPrivatePackagesInner(vol); 16549 } 16550 }); 16551 } 16552 16553 private void unloadPrivatePackagesInner(VolumeInfo vol) { 16554 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 16555 synchronized (mInstallLock) { 16556 synchronized (mPackages) { 16557 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(vol.fsUuid); 16558 for (PackageSetting ps : packages) { 16559 if (ps.pkg == null) continue; 16560 16561 final ApplicationInfo info = ps.pkg.applicationInfo; 16562 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 16563 if (deletePackageLI(ps.name, null, false, null, null, 16564 PackageManager.DELETE_KEEP_DATA, outInfo, false)) { 16565 unloaded.add(info); 16566 } else { 16567 Slog.w(TAG, "Failed to unload " + ps.codePath); 16568 } 16569 } 16570 16571 mSettings.writeLPr(); 16572 } 16573 } 16574 16575 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 16576 sendResourcesChangedBroadcast(false, false, unloaded, null); 16577 } 16578 16579 /** 16580 * Examine all users present on given mounted volume, and destroy data 16581 * belonging to users that are no longer valid, or whose user ID has been 16582 * recycled. 16583 */ 16584 private void reconcileUsers(String volumeUuid) { 16585 final File[] files = FileUtils 16586 .listFilesOrEmpty(Environment.getDataUserDirectory(volumeUuid)); 16587 for (File file : files) { 16588 if (!file.isDirectory()) continue; 16589 16590 final int userId; 16591 final UserInfo info; 16592 try { 16593 userId = Integer.parseInt(file.getName()); 16594 info = sUserManager.getUserInfo(userId); 16595 } catch (NumberFormatException e) { 16596 Slog.w(TAG, "Invalid user directory " + file); 16597 continue; 16598 } 16599 16600 boolean destroyUser = false; 16601 if (info == null) { 16602 logCriticalInfo(Log.WARN, "Destroying user directory " + file 16603 + " because no matching user was found"); 16604 destroyUser = true; 16605 } else { 16606 try { 16607 UserManagerService.enforceSerialNumber(file, info.serialNumber); 16608 } catch (IOException e) { 16609 logCriticalInfo(Log.WARN, "Destroying user directory " + file 16610 + " because we failed to enforce serial number: " + e); 16611 destroyUser = true; 16612 } 16613 } 16614 16615 if (destroyUser) { 16616 synchronized (mInstallLock) { 16617 try { 16618 mInstaller.removeUserDataDirs(volumeUuid, userId); 16619 } catch (InstallerException e) { 16620 Slog.w(TAG, "Failed to clean up user dirs", e); 16621 } 16622 } 16623 } 16624 } 16625 16626 final StorageManager sm = mContext.getSystemService(StorageManager.class); 16627 final UserManager um = mContext.getSystemService(UserManager.class); 16628 for (UserInfo user : um.getUsers()) { 16629 final File userDir = Environment.getDataUserDirectory(volumeUuid, user.id); 16630 if (userDir.exists()) continue; 16631 16632 try { 16633 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, user.isEphemeral()); 16634 UserManagerService.enforceSerialNumber(userDir, user.serialNumber); 16635 } catch (IOException e) { 16636 Log.wtf(TAG, "Failed to create user directory on " + volumeUuid, e); 16637 } 16638 } 16639 } 16640 16641 /** 16642 * Examine all apps present on given mounted volume, and destroy apps that 16643 * aren't expected, either due to uninstallation or reinstallation on 16644 * another volume. 16645 */ 16646 private void reconcileApps(String volumeUuid) { 16647 final File[] files = FileUtils 16648 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 16649 for (File file : files) { 16650 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 16651 && !PackageInstallerService.isStageName(file.getName()); 16652 if (!isPackage) { 16653 // Ignore entries which are not packages 16654 continue; 16655 } 16656 16657 boolean destroyApp = false; 16658 String packageName = null; 16659 try { 16660 final PackageLite pkg = PackageParser.parsePackageLite(file, 16661 PackageParser.PARSE_MUST_BE_APK); 16662 packageName = pkg.packageName; 16663 16664 synchronized (mPackages) { 16665 final PackageSetting ps = mSettings.mPackages.get(packageName); 16666 if (ps == null) { 16667 logCriticalInfo(Log.WARN, "Destroying " + packageName + " on + " 16668 + volumeUuid + " because we found no install record"); 16669 destroyApp = true; 16670 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 16671 logCriticalInfo(Log.WARN, "Destroying " + packageName + " on " 16672 + volumeUuid + " because we expected it on " + ps.volumeUuid); 16673 destroyApp = true; 16674 } 16675 } 16676 16677 } catch (PackageParserException e) { 16678 logCriticalInfo(Log.WARN, "Destroying " + file + " due to parse failure: " + e); 16679 destroyApp = true; 16680 } 16681 16682 if (destroyApp) { 16683 synchronized (mInstallLock) { 16684 if (packageName != null) { 16685 removeDataDirsLI(volumeUuid, packageName); 16686 } 16687 removeCodePathLI(file); 16688 } 16689 } 16690 } 16691 } 16692 16693 private void unfreezePackage(String packageName) { 16694 synchronized (mPackages) { 16695 final PackageSetting ps = mSettings.mPackages.get(packageName); 16696 if (ps != null) { 16697 ps.frozen = false; 16698 } 16699 } 16700 } 16701 16702 @Override 16703 public int movePackage(final String packageName, final String volumeUuid) { 16704 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 16705 16706 final int moveId = mNextMoveId.getAndIncrement(); 16707 mHandler.post(new Runnable() { 16708 @Override 16709 public void run() { 16710 try { 16711 movePackageInternal(packageName, volumeUuid, moveId); 16712 } catch (PackageManagerException e) { 16713 Slog.w(TAG, "Failed to move " + packageName, e); 16714 mMoveCallbacks.notifyStatusChanged(moveId, 16715 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 16716 } 16717 } 16718 }); 16719 return moveId; 16720 } 16721 16722 private void movePackageInternal(final String packageName, final String volumeUuid, 16723 final int moveId) throws PackageManagerException { 16724 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 16725 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16726 final PackageManager pm = mContext.getPackageManager(); 16727 16728 final boolean currentAsec; 16729 final String currentVolumeUuid; 16730 final File codeFile; 16731 final String installerPackageName; 16732 final String packageAbiOverride; 16733 final int appId; 16734 final String seinfo; 16735 final String label; 16736 16737 // reader 16738 synchronized (mPackages) { 16739 final PackageParser.Package pkg = mPackages.get(packageName); 16740 final PackageSetting ps = mSettings.mPackages.get(packageName); 16741 if (pkg == null || ps == null) { 16742 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 16743 } 16744 16745 if (pkg.applicationInfo.isSystemApp()) { 16746 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 16747 "Cannot move system application"); 16748 } 16749 16750 if (pkg.applicationInfo.isExternalAsec()) { 16751 currentAsec = true; 16752 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 16753 } else if (pkg.applicationInfo.isForwardLocked()) { 16754 currentAsec = true; 16755 currentVolumeUuid = "forward_locked"; 16756 } else { 16757 currentAsec = false; 16758 currentVolumeUuid = ps.volumeUuid; 16759 16760 final File probe = new File(pkg.codePath); 16761 final File probeOat = new File(probe, "oat"); 16762 if (!probe.isDirectory() || !probeOat.isDirectory()) { 16763 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16764 "Move only supported for modern cluster style installs"); 16765 } 16766 } 16767 16768 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 16769 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16770 "Package already moved to " + volumeUuid); 16771 } 16772 16773 if (ps.frozen) { 16774 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 16775 "Failed to move already frozen package"); 16776 } 16777 ps.frozen = true; 16778 16779 codeFile = new File(pkg.codePath); 16780 installerPackageName = ps.installerPackageName; 16781 packageAbiOverride = ps.cpuAbiOverrideString; 16782 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16783 seinfo = pkg.applicationInfo.seinfo; 16784 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 16785 } 16786 16787 // Now that we're guarded by frozen state, kill app during move 16788 final long token = Binder.clearCallingIdentity(); 16789 try { 16790 killApplication(packageName, appId, "move pkg"); 16791 } finally { 16792 Binder.restoreCallingIdentity(token); 16793 } 16794 16795 final Bundle extras = new Bundle(); 16796 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 16797 extras.putString(Intent.EXTRA_TITLE, label); 16798 mMoveCallbacks.notifyCreated(moveId, extras); 16799 16800 int installFlags; 16801 final boolean moveCompleteApp; 16802 final File measurePath; 16803 16804 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 16805 installFlags = INSTALL_INTERNAL; 16806 moveCompleteApp = !currentAsec; 16807 measurePath = Environment.getDataAppDirectory(volumeUuid); 16808 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 16809 installFlags = INSTALL_EXTERNAL; 16810 moveCompleteApp = false; 16811 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 16812 } else { 16813 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 16814 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 16815 || !volume.isMountedWritable()) { 16816 unfreezePackage(packageName); 16817 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16818 "Move location not mounted private volume"); 16819 } 16820 16821 Preconditions.checkState(!currentAsec); 16822 16823 installFlags = INSTALL_INTERNAL; 16824 moveCompleteApp = true; 16825 measurePath = Environment.getDataAppDirectory(volumeUuid); 16826 } 16827 16828 final PackageStats stats = new PackageStats(null, -1); 16829 synchronized (mInstaller) { 16830 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 16831 unfreezePackage(packageName); 16832 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16833 "Failed to measure package size"); 16834 } 16835 } 16836 16837 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 16838 + stats.dataSize); 16839 16840 final long startFreeBytes = measurePath.getFreeSpace(); 16841 final long sizeBytes; 16842 if (moveCompleteApp) { 16843 sizeBytes = stats.codeSize + stats.dataSize; 16844 } else { 16845 sizeBytes = stats.codeSize; 16846 } 16847 16848 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 16849 unfreezePackage(packageName); 16850 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16851 "Not enough free space to move"); 16852 } 16853 16854 mMoveCallbacks.notifyStatusChanged(moveId, 10); 16855 16856 final CountDownLatch installedLatch = new CountDownLatch(1); 16857 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 16858 @Override 16859 public void onUserActionRequired(Intent intent) throws RemoteException { 16860 throw new IllegalStateException(); 16861 } 16862 16863 @Override 16864 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 16865 Bundle extras) throws RemoteException { 16866 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 16867 + PackageManager.installStatusToString(returnCode, msg)); 16868 16869 installedLatch.countDown(); 16870 16871 // Regardless of success or failure of the move operation, 16872 // always unfreeze the package 16873 unfreezePackage(packageName); 16874 16875 final int status = PackageManager.installStatusToPublicStatus(returnCode); 16876 switch (status) { 16877 case PackageInstaller.STATUS_SUCCESS: 16878 mMoveCallbacks.notifyStatusChanged(moveId, 16879 PackageManager.MOVE_SUCCEEDED); 16880 break; 16881 case PackageInstaller.STATUS_FAILURE_STORAGE: 16882 mMoveCallbacks.notifyStatusChanged(moveId, 16883 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 16884 break; 16885 default: 16886 mMoveCallbacks.notifyStatusChanged(moveId, 16887 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 16888 break; 16889 } 16890 } 16891 }; 16892 16893 final MoveInfo move; 16894 if (moveCompleteApp) { 16895 // Kick off a thread to report progress estimates 16896 new Thread() { 16897 @Override 16898 public void run() { 16899 while (true) { 16900 try { 16901 if (installedLatch.await(1, TimeUnit.SECONDS)) { 16902 break; 16903 } 16904 } catch (InterruptedException ignored) { 16905 } 16906 16907 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 16908 final int progress = 10 + (int) MathUtils.constrain( 16909 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 16910 mMoveCallbacks.notifyStatusChanged(moveId, progress); 16911 } 16912 } 16913 }.start(); 16914 16915 final String dataAppName = codeFile.getName(); 16916 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 16917 dataAppName, appId, seinfo); 16918 } else { 16919 move = null; 16920 } 16921 16922 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 16923 16924 final Message msg = mHandler.obtainMessage(INIT_COPY); 16925 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 16926 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 16927 installerPackageName, volumeUuid, null, user, packageAbiOverride, null); 16928 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 16929 msg.obj = params; 16930 16931 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 16932 System.identityHashCode(msg.obj)); 16933 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 16934 System.identityHashCode(msg.obj)); 16935 16936 mHandler.sendMessage(msg); 16937 } 16938 16939 @Override 16940 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 16941 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 16942 16943 final int realMoveId = mNextMoveId.getAndIncrement(); 16944 final Bundle extras = new Bundle(); 16945 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 16946 mMoveCallbacks.notifyCreated(realMoveId, extras); 16947 16948 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 16949 @Override 16950 public void onCreated(int moveId, Bundle extras) { 16951 // Ignored 16952 } 16953 16954 @Override 16955 public void onStatusChanged(int moveId, int status, long estMillis) { 16956 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 16957 } 16958 }; 16959 16960 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16961 storage.setPrimaryStorageUuid(volumeUuid, callback); 16962 return realMoveId; 16963 } 16964 16965 @Override 16966 public int getMoveStatus(int moveId) { 16967 mContext.enforceCallingOrSelfPermission( 16968 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16969 return mMoveCallbacks.mLastStatus.get(moveId); 16970 } 16971 16972 @Override 16973 public void registerMoveCallback(IPackageMoveObserver callback) { 16974 mContext.enforceCallingOrSelfPermission( 16975 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16976 mMoveCallbacks.register(callback); 16977 } 16978 16979 @Override 16980 public void unregisterMoveCallback(IPackageMoveObserver callback) { 16981 mContext.enforceCallingOrSelfPermission( 16982 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 16983 mMoveCallbacks.unregister(callback); 16984 } 16985 16986 @Override 16987 public boolean setInstallLocation(int loc) { 16988 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 16989 null); 16990 if (getInstallLocation() == loc) { 16991 return true; 16992 } 16993 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 16994 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 16995 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 16996 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 16997 return true; 16998 } 16999 return false; 17000 } 17001 17002 @Override 17003 public int getInstallLocation() { 17004 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 17005 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 17006 PackageHelper.APP_INSTALL_AUTO); 17007 } 17008 17009 /** Called by UserManagerService */ 17010 void cleanUpUser(UserManagerService userManager, int userHandle) { 17011 synchronized (mPackages) { 17012 mDirtyUsers.remove(userHandle); 17013 mUserNeedsBadging.delete(userHandle); 17014 mSettings.removeUserLPw(userHandle); 17015 mPendingBroadcasts.remove(userHandle); 17016 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 17017 } 17018 synchronized (mInstallLock) { 17019 final StorageManager storage = mContext.getSystemService(StorageManager.class); 17020 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 17021 final String volumeUuid = vol.getFsUuid(); 17022 if (DEBUG_INSTALL) Slog.d(TAG, "Removing user data on volume " + volumeUuid); 17023 try { 17024 mInstaller.removeUserDataDirs(volumeUuid, userHandle); 17025 } catch (InstallerException e) { 17026 Slog.w(TAG, "Failed to remove user data", e); 17027 } 17028 } 17029 synchronized (mPackages) { 17030 removeUnusedPackagesLILPw(userManager, userHandle); 17031 } 17032 } 17033 } 17034 17035 /** 17036 * We're removing userHandle and would like to remove any downloaded packages 17037 * that are no longer in use by any other user. 17038 * @param userHandle the user being removed 17039 */ 17040 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 17041 final boolean DEBUG_CLEAN_APKS = false; 17042 int [] users = userManager.getUserIds(); 17043 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 17044 while (psit.hasNext()) { 17045 PackageSetting ps = psit.next(); 17046 if (ps.pkg == null) { 17047 continue; 17048 } 17049 final String packageName = ps.pkg.packageName; 17050 // Skip over if system app 17051 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 17052 continue; 17053 } 17054 if (DEBUG_CLEAN_APKS) { 17055 Slog.i(TAG, "Checking package " + packageName); 17056 } 17057 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 17058 if (keep) { 17059 if (DEBUG_CLEAN_APKS) { 17060 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 17061 } 17062 } else { 17063 for (int i = 0; i < users.length; i++) { 17064 if (users[i] != userHandle && ps.getInstalled(users[i])) { 17065 keep = true; 17066 if (DEBUG_CLEAN_APKS) { 17067 Slog.i(TAG, " Keeping package " + packageName + " for user " 17068 + users[i]); 17069 } 17070 break; 17071 } 17072 } 17073 } 17074 if (!keep) { 17075 if (DEBUG_CLEAN_APKS) { 17076 Slog.i(TAG, " Removing package " + packageName); 17077 } 17078 mHandler.post(new Runnable() { 17079 public void run() { 17080 deletePackageX(packageName, userHandle, 0); 17081 } //end run 17082 }); 17083 } 17084 } 17085 } 17086 17087 /** Called by UserManagerService */ 17088 void createNewUser(int userHandle) { 17089 synchronized (mInstallLock) { 17090 try { 17091 mInstaller.createUserConfig(userHandle); 17092 } catch (InstallerException e) { 17093 Slog.w(TAG, "Failed to create user config", e); 17094 } 17095 mSettings.createNewUserLI(this, mInstaller, userHandle); 17096 } 17097 synchronized (mPackages) { 17098 applyFactoryDefaultBrowserLPw(userHandle); 17099 primeDomainVerificationsLPw(userHandle); 17100 } 17101 } 17102 17103 void newUserCreated(final int userHandle) { 17104 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 17105 // If permission review for legacy apps is required, we represent 17106 // dagerous permissions for such apps as always granted runtime 17107 // permissions to keep per user flag state whether review is needed. 17108 // Hence, if a new user is added we have to propagate dangerous 17109 // permission grants for these legacy apps. 17110 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 17111 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 17112 | UPDATE_PERMISSIONS_REPLACE_ALL); 17113 } 17114 } 17115 17116 @Override 17117 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 17118 mContext.enforceCallingOrSelfPermission( 17119 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 17120 "Only package verification agents can read the verifier device identity"); 17121 17122 synchronized (mPackages) { 17123 return mSettings.getVerifierDeviceIdentityLPw(); 17124 } 17125 } 17126 17127 @Override 17128 public void setPermissionEnforced(String permission, boolean enforced) { 17129 // TODO: Now that we no longer change GID for storage, this should to away. 17130 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 17131 "setPermissionEnforced"); 17132 if (READ_EXTERNAL_STORAGE.equals(permission)) { 17133 synchronized (mPackages) { 17134 if (mSettings.mReadExternalStorageEnforced == null 17135 || mSettings.mReadExternalStorageEnforced != enforced) { 17136 mSettings.mReadExternalStorageEnforced = enforced; 17137 mSettings.writeLPr(); 17138 } 17139 } 17140 // kill any non-foreground processes so we restart them and 17141 // grant/revoke the GID. 17142 final IActivityManager am = ActivityManagerNative.getDefault(); 17143 if (am != null) { 17144 final long token = Binder.clearCallingIdentity(); 17145 try { 17146 am.killProcessesBelowForeground("setPermissionEnforcement"); 17147 } catch (RemoteException e) { 17148 } finally { 17149 Binder.restoreCallingIdentity(token); 17150 } 17151 } 17152 } else { 17153 throw new IllegalArgumentException("No selective enforcement for " + permission); 17154 } 17155 } 17156 17157 @Override 17158 @Deprecated 17159 public boolean isPermissionEnforced(String permission) { 17160 return true; 17161 } 17162 17163 @Override 17164 public boolean isStorageLow() { 17165 final long token = Binder.clearCallingIdentity(); 17166 try { 17167 final DeviceStorageMonitorInternal 17168 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 17169 if (dsm != null) { 17170 return dsm.isMemoryLow(); 17171 } else { 17172 return false; 17173 } 17174 } finally { 17175 Binder.restoreCallingIdentity(token); 17176 } 17177 } 17178 17179 @Override 17180 public IPackageInstaller getPackageInstaller() { 17181 return mInstallerService; 17182 } 17183 17184 private boolean userNeedsBadging(int userId) { 17185 int index = mUserNeedsBadging.indexOfKey(userId); 17186 if (index < 0) { 17187 final UserInfo userInfo; 17188 final long token = Binder.clearCallingIdentity(); 17189 try { 17190 userInfo = sUserManager.getUserInfo(userId); 17191 } finally { 17192 Binder.restoreCallingIdentity(token); 17193 } 17194 final boolean b; 17195 if (userInfo != null && userInfo.isManagedProfile()) { 17196 b = true; 17197 } else { 17198 b = false; 17199 } 17200 mUserNeedsBadging.put(userId, b); 17201 return b; 17202 } 17203 return mUserNeedsBadging.valueAt(index); 17204 } 17205 17206 @Override 17207 public KeySet getKeySetByAlias(String packageName, String alias) { 17208 if (packageName == null || alias == null) { 17209 return null; 17210 } 17211 synchronized(mPackages) { 17212 final PackageParser.Package pkg = mPackages.get(packageName); 17213 if (pkg == null) { 17214 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 17215 throw new IllegalArgumentException("Unknown package: " + packageName); 17216 } 17217 KeySetManagerService ksms = mSettings.mKeySetManagerService; 17218 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 17219 } 17220 } 17221 17222 @Override 17223 public KeySet getSigningKeySet(String packageName) { 17224 if (packageName == null) { 17225 return null; 17226 } 17227 synchronized(mPackages) { 17228 final PackageParser.Package pkg = mPackages.get(packageName); 17229 if (pkg == null) { 17230 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 17231 throw new IllegalArgumentException("Unknown package: " + packageName); 17232 } 17233 if (pkg.applicationInfo.uid != Binder.getCallingUid() 17234 && Process.SYSTEM_UID != Binder.getCallingUid()) { 17235 throw new SecurityException("May not access signing KeySet of other apps."); 17236 } 17237 KeySetManagerService ksms = mSettings.mKeySetManagerService; 17238 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 17239 } 17240 } 17241 17242 @Override 17243 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 17244 if (packageName == null || ks == null) { 17245 return false; 17246 } 17247 synchronized(mPackages) { 17248 final PackageParser.Package pkg = mPackages.get(packageName); 17249 if (pkg == null) { 17250 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 17251 throw new IllegalArgumentException("Unknown package: " + packageName); 17252 } 17253 IBinder ksh = ks.getToken(); 17254 if (ksh instanceof KeySetHandle) { 17255 KeySetManagerService ksms = mSettings.mKeySetManagerService; 17256 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 17257 } 17258 return false; 17259 } 17260 } 17261 17262 @Override 17263 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 17264 if (packageName == null || ks == null) { 17265 return false; 17266 } 17267 synchronized(mPackages) { 17268 final PackageParser.Package pkg = mPackages.get(packageName); 17269 if (pkg == null) { 17270 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 17271 throw new IllegalArgumentException("Unknown package: " + packageName); 17272 } 17273 IBinder ksh = ks.getToken(); 17274 if (ksh instanceof KeySetHandle) { 17275 KeySetManagerService ksms = mSettings.mKeySetManagerService; 17276 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 17277 } 17278 return false; 17279 } 17280 } 17281 17282 private void deletePackageIfUnusedLPr(final String packageName) { 17283 PackageSetting ps = mSettings.mPackages.get(packageName); 17284 if (ps == null) { 17285 return; 17286 } 17287 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 17288 // TODO Implement atomic delete if package is unused 17289 // It is currently possible that the package will be deleted even if it is installed 17290 // after this method returns. 17291 mHandler.post(new Runnable() { 17292 public void run() { 17293 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 17294 } 17295 }); 17296 } 17297 } 17298 17299 /** 17300 * Check and throw if the given before/after packages would be considered a 17301 * downgrade. 17302 */ 17303 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 17304 throws PackageManagerException { 17305 if (after.versionCode < before.mVersionCode) { 17306 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 17307 "Update version code " + after.versionCode + " is older than current " 17308 + before.mVersionCode); 17309 } else if (after.versionCode == before.mVersionCode) { 17310 if (after.baseRevisionCode < before.baseRevisionCode) { 17311 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 17312 "Update base revision code " + after.baseRevisionCode 17313 + " is older than current " + before.baseRevisionCode); 17314 } 17315 17316 if (!ArrayUtils.isEmpty(after.splitNames)) { 17317 for (int i = 0; i < after.splitNames.length; i++) { 17318 final String splitName = after.splitNames[i]; 17319 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 17320 if (j != -1) { 17321 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 17322 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 17323 "Update split " + splitName + " revision code " 17324 + after.splitRevisionCodes[i] + " is older than current " 17325 + before.splitRevisionCodes[j]); 17326 } 17327 } 17328 } 17329 } 17330 } 17331 } 17332 17333 private static class MoveCallbacks extends Handler { 17334 private static final int MSG_CREATED = 1; 17335 private static final int MSG_STATUS_CHANGED = 2; 17336 17337 private final RemoteCallbackList<IPackageMoveObserver> 17338 mCallbacks = new RemoteCallbackList<>(); 17339 17340 private final SparseIntArray mLastStatus = new SparseIntArray(); 17341 17342 public MoveCallbacks(Looper looper) { 17343 super(looper); 17344 } 17345 17346 public void register(IPackageMoveObserver callback) { 17347 mCallbacks.register(callback); 17348 } 17349 17350 public void unregister(IPackageMoveObserver callback) { 17351 mCallbacks.unregister(callback); 17352 } 17353 17354 @Override 17355 public void handleMessage(Message msg) { 17356 final SomeArgs args = (SomeArgs) msg.obj; 17357 final int n = mCallbacks.beginBroadcast(); 17358 for (int i = 0; i < n; i++) { 17359 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 17360 try { 17361 invokeCallback(callback, msg.what, args); 17362 } catch (RemoteException ignored) { 17363 } 17364 } 17365 mCallbacks.finishBroadcast(); 17366 args.recycle(); 17367 } 17368 17369 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 17370 throws RemoteException { 17371 switch (what) { 17372 case MSG_CREATED: { 17373 callback.onCreated(args.argi1, (Bundle) args.arg2); 17374 break; 17375 } 17376 case MSG_STATUS_CHANGED: { 17377 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 17378 break; 17379 } 17380 } 17381 } 17382 17383 private void notifyCreated(int moveId, Bundle extras) { 17384 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 17385 17386 final SomeArgs args = SomeArgs.obtain(); 17387 args.argi1 = moveId; 17388 args.arg2 = extras; 17389 obtainMessage(MSG_CREATED, args).sendToTarget(); 17390 } 17391 17392 private void notifyStatusChanged(int moveId, int status) { 17393 notifyStatusChanged(moveId, status, -1); 17394 } 17395 17396 private void notifyStatusChanged(int moveId, int status, long estMillis) { 17397 Slog.v(TAG, "Move " + moveId + " status " + status); 17398 17399 final SomeArgs args = SomeArgs.obtain(); 17400 args.argi1 = moveId; 17401 args.argi2 = status; 17402 args.arg3 = estMillis; 17403 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 17404 17405 synchronized (mLastStatus) { 17406 mLastStatus.put(moveId, status); 17407 } 17408 } 17409 } 17410 17411 private final static class OnPermissionChangeListeners extends Handler { 17412 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 17413 17414 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 17415 new RemoteCallbackList<>(); 17416 17417 public OnPermissionChangeListeners(Looper looper) { 17418 super(looper); 17419 } 17420 17421 @Override 17422 public void handleMessage(Message msg) { 17423 switch (msg.what) { 17424 case MSG_ON_PERMISSIONS_CHANGED: { 17425 final int uid = msg.arg1; 17426 handleOnPermissionsChanged(uid); 17427 } break; 17428 } 17429 } 17430 17431 public void addListenerLocked(IOnPermissionsChangeListener listener) { 17432 mPermissionListeners.register(listener); 17433 17434 } 17435 17436 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 17437 mPermissionListeners.unregister(listener); 17438 } 17439 17440 public void onPermissionsChanged(int uid) { 17441 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 17442 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 17443 } 17444 } 17445 17446 private void handleOnPermissionsChanged(int uid) { 17447 final int count = mPermissionListeners.beginBroadcast(); 17448 try { 17449 for (int i = 0; i < count; i++) { 17450 IOnPermissionsChangeListener callback = mPermissionListeners 17451 .getBroadcastItem(i); 17452 try { 17453 callback.onPermissionsChanged(uid); 17454 } catch (RemoteException e) { 17455 Log.e(TAG, "Permission listener is dead", e); 17456 } 17457 } 17458 } finally { 17459 mPermissionListeners.finishBroadcast(); 17460 } 17461 } 17462 } 17463 17464 private class PackageManagerInternalImpl extends PackageManagerInternal { 17465 @Override 17466 public void setLocationPackagesProvider(PackagesProvider provider) { 17467 synchronized (mPackages) { 17468 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 17469 } 17470 } 17471 17472 @Override 17473 public void setImePackagesProvider(PackagesProvider provider) { 17474 synchronized (mPackages) { 17475 mDefaultPermissionPolicy.setImePackagesProviderLPr(provider); 17476 } 17477 } 17478 17479 @Override 17480 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 17481 synchronized (mPackages) { 17482 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 17483 } 17484 } 17485 17486 @Override 17487 public void setSmsAppPackagesProvider(PackagesProvider provider) { 17488 synchronized (mPackages) { 17489 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 17490 } 17491 } 17492 17493 @Override 17494 public void setDialerAppPackagesProvider(PackagesProvider provider) { 17495 synchronized (mPackages) { 17496 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 17497 } 17498 } 17499 17500 @Override 17501 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 17502 synchronized (mPackages) { 17503 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 17504 } 17505 } 17506 17507 @Override 17508 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 17509 synchronized (mPackages) { 17510 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 17511 } 17512 } 17513 17514 @Override 17515 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 17516 synchronized (mPackages) { 17517 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 17518 packageName, userId); 17519 } 17520 } 17521 17522 @Override 17523 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 17524 synchronized (mPackages) { 17525 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 17526 packageName, userId); 17527 } 17528 } 17529 17530 @Override 17531 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 17532 synchronized (mPackages) { 17533 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 17534 packageName, userId); 17535 } 17536 } 17537 17538 @Override 17539 public void setKeepUninstalledPackages(final List<String> packageList) { 17540 Preconditions.checkNotNull(packageList); 17541 List<String> removedFromList = null; 17542 synchronized (mPackages) { 17543 if (mKeepUninstalledPackages != null) { 17544 final int packagesCount = mKeepUninstalledPackages.size(); 17545 for (int i = 0; i < packagesCount; i++) { 17546 String oldPackage = mKeepUninstalledPackages.get(i); 17547 if (packageList != null && packageList.contains(oldPackage)) { 17548 continue; 17549 } 17550 if (removedFromList == null) { 17551 removedFromList = new ArrayList<>(); 17552 } 17553 removedFromList.add(oldPackage); 17554 } 17555 } 17556 mKeepUninstalledPackages = new ArrayList<>(packageList); 17557 if (removedFromList != null) { 17558 final int removedCount = removedFromList.size(); 17559 for (int i = 0; i < removedCount; i++) { 17560 deletePackageIfUnusedLPr(removedFromList.get(i)); 17561 } 17562 } 17563 } 17564 } 17565 17566 @Override 17567 public boolean isPermissionsReviewRequired(String packageName, int userId) { 17568 synchronized (mPackages) { 17569 // If we do not support permission review, done. 17570 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 17571 return false; 17572 } 17573 17574 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 17575 if (packageSetting == null) { 17576 return false; 17577 } 17578 17579 // Permission review applies only to apps not supporting the new permission model. 17580 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 17581 return false; 17582 } 17583 17584 // Legacy apps have the permission and get user consent on launch. 17585 PermissionsState permissionsState = packageSetting.getPermissionsState(); 17586 return permissionsState.isPermissionReviewRequired(userId); 17587 } 17588 } 17589 } 17590 17591 @Override 17592 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 17593 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 17594 synchronized (mPackages) { 17595 final long identity = Binder.clearCallingIdentity(); 17596 try { 17597 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 17598 packageNames, userId); 17599 } finally { 17600 Binder.restoreCallingIdentity(identity); 17601 } 17602 } 17603 } 17604 17605 private static void enforceSystemOrPhoneCaller(String tag) { 17606 int callingUid = Binder.getCallingUid(); 17607 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 17608 throw new SecurityException( 17609 "Cannot call " + tag + " from UID " + callingUid); 17610 } 17611 } 17612} 17613