PackageManagerService.java revision 0e62384ccbd00e9f78851929ca88b919679ee32e
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_UPDATE_INCOMPATIBLE; 50import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 51import static android.content.pm.PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 52import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 53import static android.content.pm.PackageManager.INSTALL_INTERNAL; 54import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 55import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 56import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK; 57import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 58import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER; 59import static android.content.pm.PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 60import static android.content.pm.PackageManager.MATCH_ALL; 61import static android.content.pm.PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 62import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS; 63import static android.content.pm.PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE; 64import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; 65import static android.content.pm.PackageManager.MATCH_UNINSTALLED_PACKAGES; 66import static android.content.pm.PackageManager.MOVE_FAILED_DOESNT_EXIST; 67import static android.content.pm.PackageManager.MOVE_FAILED_INTERNAL_ERROR; 68import static android.content.pm.PackageManager.MOVE_FAILED_OPERATION_PENDING; 69import static android.content.pm.PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 70import static android.content.pm.PackageManager.PERMISSION_DENIED; 71import static android.content.pm.PackageManager.PERMISSION_GRANTED; 72import static android.content.pm.PackageParser.isApkFile; 73import static android.os.Process.PACKAGE_INFO_GID; 74import static android.os.Process.SYSTEM_UID; 75import static android.os.Trace.TRACE_TAG_PACKAGE_MANAGER; 76import static android.system.OsConstants.O_CREAT; 77import static android.system.OsConstants.O_RDWR; 78 79import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 80import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_PARENT; 81import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 82import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 83import static com.android.internal.util.ArrayUtils.appendInt; 84import static com.android.server.pm.Installer.DEXOPT_PUBLIC; 85import static com.android.server.pm.InstructionSets.getAppDexInstructionSets; 86import static com.android.server.pm.InstructionSets.getDexCodeInstructionSet; 87import static com.android.server.pm.InstructionSets.getDexCodeInstructionSets; 88import static com.android.server.pm.InstructionSets.getPreferredInstructionSet; 89import static com.android.server.pm.InstructionSets.getPrimaryInstructionSet; 90import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_FAILURE; 91import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS; 92import static com.android.server.pm.PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED; 93 94import android.Manifest; 95import android.annotation.NonNull; 96import android.annotation.Nullable; 97import android.app.ActivityManager; 98import android.app.ActivityManagerNative; 99import android.app.AppGlobals; 100import android.app.IActivityManager; 101import android.app.admin.IDevicePolicyManager; 102import android.app.backup.IBackupManager; 103import android.content.BroadcastReceiver; 104import android.content.ComponentName; 105import android.content.Context; 106import android.content.IIntentReceiver; 107import android.content.Intent; 108import android.content.IntentFilter; 109import android.content.IntentSender; 110import android.content.IntentSender.SendIntentException; 111import android.content.ServiceConnection; 112import android.content.pm.ActivityInfo; 113import android.content.pm.ApplicationInfo; 114import android.content.pm.AppsQueryHelper; 115import android.content.pm.ComponentInfo; 116import android.content.pm.EphemeralApplicationInfo; 117import android.content.pm.EphemeralResolveInfo; 118import android.content.pm.EphemeralResolveInfo.EphemeralResolveIntentInfo; 119import android.content.pm.FeatureInfo; 120import android.content.pm.IOnPermissionsChangeListener; 121import android.content.pm.IPackageDataObserver; 122import android.content.pm.IPackageDeleteObserver; 123import android.content.pm.IPackageDeleteObserver2; 124import android.content.pm.IPackageInstallObserver2; 125import android.content.pm.IPackageInstaller; 126import android.content.pm.IPackageManager; 127import android.content.pm.IPackageMoveObserver; 128import android.content.pm.IPackageStatsObserver; 129import android.content.pm.InstrumentationInfo; 130import android.content.pm.IntentFilterVerificationInfo; 131import android.content.pm.KeySet; 132import android.content.pm.PackageCleanItem; 133import android.content.pm.PackageInfo; 134import android.content.pm.PackageInfoLite; 135import android.content.pm.PackageInstaller; 136import android.content.pm.PackageManager; 137import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 138import android.content.pm.PackageManagerInternal; 139import android.content.pm.PackageParser; 140import android.content.pm.PackageParser.ActivityIntentInfo; 141import android.content.pm.PackageParser.PackageLite; 142import android.content.pm.PackageParser.PackageParserException; 143import android.content.pm.PackageStats; 144import android.content.pm.PackageUserState; 145import android.content.pm.ParceledListSlice; 146import android.content.pm.PermissionGroupInfo; 147import android.content.pm.PermissionInfo; 148import android.content.pm.ProviderInfo; 149import android.content.pm.ResolveInfo; 150import android.content.pm.ServiceInfo; 151import android.content.pm.Signature; 152import android.content.pm.UserInfo; 153import android.content.pm.VerificationParams; 154import android.content.pm.VerifierDeviceIdentity; 155import android.content.pm.VerifierInfo; 156import android.content.res.Resources; 157import android.graphics.Bitmap; 158import android.hardware.display.DisplayManager; 159import android.net.Uri; 160import android.os.Binder; 161import android.os.Build; 162import android.os.Bundle; 163import android.os.Debug; 164import android.os.Environment; 165import android.os.Environment.UserEnvironment; 166import android.os.FileUtils; 167import android.os.Handler; 168import android.os.IBinder; 169import android.os.Looper; 170import android.os.Message; 171import android.os.Parcel; 172import android.os.ParcelFileDescriptor; 173import android.os.Process; 174import android.os.RemoteCallbackList; 175import android.os.RemoteException; 176import android.os.ResultReceiver; 177import android.os.SELinux; 178import android.os.ServiceManager; 179import android.os.SystemClock; 180import android.os.SystemProperties; 181import android.os.Trace; 182import android.os.UserHandle; 183import android.os.UserManager; 184import android.os.storage.IMountService; 185import android.os.storage.MountServiceInternal; 186import android.os.storage.StorageEventListener; 187import android.os.storage.StorageManager; 188import android.os.storage.VolumeInfo; 189import android.os.storage.VolumeRecord; 190import android.security.KeyStore; 191import android.security.SystemKeyStore; 192import android.system.ErrnoException; 193import android.system.Os; 194import android.text.TextUtils; 195import android.text.format.DateUtils; 196import android.util.ArrayMap; 197import android.util.ArraySet; 198import android.util.AtomicFile; 199import android.util.DisplayMetrics; 200import android.util.EventLog; 201import android.util.ExceptionUtils; 202import android.util.Log; 203import android.util.LogPrinter; 204import android.util.MathUtils; 205import android.util.PrintStreamPrinter; 206import android.util.Slog; 207import android.util.SparseArray; 208import android.util.SparseBooleanArray; 209import android.util.SparseIntArray; 210import android.util.Xml; 211import android.view.Display; 212 213import com.android.internal.R; 214import com.android.internal.annotations.GuardedBy; 215import com.android.internal.app.IMediaContainerService; 216import com.android.internal.app.ResolverActivity; 217import com.android.internal.content.NativeLibraryHelper; 218import com.android.internal.content.PackageHelper; 219import com.android.internal.os.IParcelFileDescriptorFactory; 220import com.android.internal.os.InstallerConnection.InstallerException; 221import com.android.internal.os.SomeArgs; 222import com.android.internal.os.Zygote; 223import com.android.internal.util.ArrayUtils; 224import com.android.internal.util.FastPrintWriter; 225import com.android.internal.util.FastXmlSerializer; 226import com.android.internal.util.IndentingPrintWriter; 227import com.android.internal.util.Preconditions; 228import com.android.server.EventLogTags; 229import com.android.server.FgThread; 230import com.android.server.IntentResolver; 231import com.android.server.LocalServices; 232import com.android.server.ServiceThread; 233import com.android.server.SystemConfig; 234import com.android.server.Watchdog; 235import com.android.server.pm.Installer.StorageFlags; 236import com.android.server.pm.PermissionsState.PermissionState; 237import com.android.server.pm.Settings.DatabaseVersion; 238import com.android.server.pm.Settings.VersionInfo; 239import com.android.server.storage.DeviceStorageMonitorInternal; 240 241import dalvik.system.DexFile; 242import dalvik.system.VMRuntime; 243 244import libcore.io.IoUtils; 245import libcore.util.EmptyArray; 246 247import org.xmlpull.v1.XmlPullParser; 248import org.xmlpull.v1.XmlPullParserException; 249import org.xmlpull.v1.XmlSerializer; 250 251import java.io.BufferedInputStream; 252import java.io.BufferedOutputStream; 253import java.io.BufferedReader; 254import java.io.ByteArrayInputStream; 255import java.io.ByteArrayOutputStream; 256import java.io.File; 257import java.io.FileDescriptor; 258import java.io.FileNotFoundException; 259import java.io.FileOutputStream; 260import java.io.FileReader; 261import java.io.FilenameFilter; 262import java.io.IOException; 263import java.io.InputStream; 264import java.io.PrintWriter; 265import java.nio.charset.StandardCharsets; 266import java.security.MessageDigest; 267import java.security.NoSuchAlgorithmException; 268import java.security.PublicKey; 269import java.security.cert.CertificateEncodingException; 270import java.security.cert.CertificateException; 271import java.text.SimpleDateFormat; 272import java.util.ArrayList; 273import java.util.Arrays; 274import java.util.Collection; 275import java.util.Collections; 276import java.util.Comparator; 277import java.util.Date; 278import java.util.Iterator; 279import java.util.List; 280import java.util.Map; 281import java.util.Objects; 282import java.util.Set; 283import java.util.concurrent.CountDownLatch; 284import java.util.concurrent.TimeUnit; 285import java.util.concurrent.atomic.AtomicBoolean; 286import java.util.concurrent.atomic.AtomicInteger; 287import java.util.concurrent.atomic.AtomicLong; 288 289/** 290 * Keep track of all those .apks everywhere. 291 * 292 * This is very central to the platform's security; please run the unit 293 * tests whenever making modifications here: 294 * 295runtest -c android.content.pm.PackageManagerTests frameworks-core 296 * 297 * {@hide} 298 */ 299public class PackageManagerService extends IPackageManager.Stub { 300 static final String TAG = "PackageManager"; 301 static final boolean DEBUG_SETTINGS = false; 302 static final boolean DEBUG_PREFERRED = false; 303 static final boolean DEBUG_UPGRADE = false; 304 static final boolean DEBUG_DOMAIN_VERIFICATION = false; 305 private static final boolean DEBUG_BACKUP = false; 306 private static final boolean DEBUG_INSTALL = false; 307 private static final boolean DEBUG_REMOVE = false; 308 private static final boolean DEBUG_BROADCASTS = false; 309 private static final boolean DEBUG_SHOW_INFO = false; 310 private static final boolean DEBUG_PACKAGE_INFO = false; 311 private static final boolean DEBUG_INTENT_MATCHING = false; 312 private static final boolean DEBUG_PACKAGE_SCANNING = false; 313 private static final boolean DEBUG_VERIFY = false; 314 private static final boolean DEBUG_DEXOPT = false; 315 private static final boolean DEBUG_ABI_SELECTION = false; 316 private static final boolean DEBUG_EPHEMERAL = false; 317 private static final boolean DEBUG_TRIAGED_MISSING = false; 318 private static final boolean DEBUG_APP_DATA = 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 private final EphemeralApplicationRegistry mEphemeralApplicationRegistry; 522 523 public static final class SharedLibraryEntry { 524 public final String path; 525 public final String apk; 526 527 SharedLibraryEntry(String _path, String _apk) { 528 path = _path; 529 apk = _apk; 530 } 531 } 532 533 // Currently known shared libraries. 534 final ArrayMap<String, SharedLibraryEntry> mSharedLibraries = 535 new ArrayMap<String, SharedLibraryEntry>(); 536 537 // All available activities, for your resolving pleasure. 538 final ActivityIntentResolver mActivities = 539 new ActivityIntentResolver(); 540 541 // All available receivers, for your resolving pleasure. 542 final ActivityIntentResolver mReceivers = 543 new ActivityIntentResolver(); 544 545 // All available services, for your resolving pleasure. 546 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 547 548 // All available providers, for your resolving pleasure. 549 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 550 551 // Mapping from provider base names (first directory in content URI codePath) 552 // to the provider information. 553 final ArrayMap<String, PackageParser.Provider> mProvidersByAuthority = 554 new ArrayMap<String, PackageParser.Provider>(); 555 556 // Mapping from instrumentation class names to info about them. 557 final ArrayMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 558 new ArrayMap<ComponentName, PackageParser.Instrumentation>(); 559 560 // Mapping from permission names to info about them. 561 final ArrayMap<String, PackageParser.PermissionGroup> mPermissionGroups = 562 new ArrayMap<String, PackageParser.PermissionGroup>(); 563 564 // Packages whose data we have transfered into another package, thus 565 // should no longer exist. 566 final ArraySet<String> mTransferedPackages = new ArraySet<String>(); 567 568 // Broadcast actions that are only available to the system. 569 final ArraySet<String> mProtectedBroadcasts = new ArraySet<String>(); 570 571 /** List of packages waiting for verification. */ 572 final SparseArray<PackageVerificationState> mPendingVerification 573 = new SparseArray<PackageVerificationState>(); 574 575 /** Set of packages associated with each app op permission. */ 576 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 577 578 final PackageInstallerService mInstallerService; 579 580 private final PackageDexOptimizer mPackageDexOptimizer; 581 582 private AtomicInteger mNextMoveId = new AtomicInteger(); 583 private final MoveCallbacks mMoveCallbacks; 584 585 private final OnPermissionChangeListeners mOnPermissionChangeListeners; 586 587 // Cache of users who need badging. 588 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 589 590 /** Token for keys in mPendingVerification. */ 591 private int mPendingVerificationToken = 0; 592 593 volatile boolean mSystemReady; 594 volatile boolean mSafeMode; 595 volatile boolean mHasSystemUidErrors; 596 597 ApplicationInfo mAndroidApplication; 598 final ActivityInfo mResolveActivity = new ActivityInfo(); 599 final ResolveInfo mResolveInfo = new ResolveInfo(); 600 ComponentName mResolveComponentName; 601 PackageParser.Package mPlatformPackage; 602 ComponentName mCustomResolverComponentName; 603 604 boolean mResolverReplaced = false; 605 606 private final @Nullable ComponentName mIntentFilterVerifierComponent; 607 private final @Nullable IntentFilterVerifier<ActivityIntentInfo> mIntentFilterVerifier; 608 609 private int mIntentFilterVerificationToken = 0; 610 611 /** Component that knows whether or not an ephemeral application exists */ 612 final ComponentName mEphemeralResolverComponent; 613 /** The service connection to the ephemeral resolver */ 614 final EphemeralResolverConnection mEphemeralResolverConnection; 615 616 /** Component used to install ephemeral applications */ 617 final ComponentName mEphemeralInstallerComponent; 618 final ActivityInfo mEphemeralInstallerActivity = new ActivityInfo(); 619 final ResolveInfo mEphemeralInstallerInfo = new ResolveInfo(); 620 621 final SparseArray<IntentFilterVerificationState> mIntentFilterVerificationStates 622 = new SparseArray<IntentFilterVerificationState>(); 623 624 final DefaultPermissionGrantPolicy mDefaultPermissionPolicy = 625 new DefaultPermissionGrantPolicy(this); 626 627 // List of packages names to keep cached, even if they are uninstalled for all users 628 private List<String> mKeepUninstalledPackages; 629 630 private static class IFVerificationParams { 631 PackageParser.Package pkg; 632 boolean replacing; 633 int userId; 634 int verifierUid; 635 636 public IFVerificationParams(PackageParser.Package _pkg, boolean _replacing, 637 int _userId, int _verifierUid) { 638 pkg = _pkg; 639 replacing = _replacing; 640 userId = _userId; 641 replacing = _replacing; 642 verifierUid = _verifierUid; 643 } 644 } 645 646 private interface IntentFilterVerifier<T extends IntentFilter> { 647 boolean addOneIntentFilterVerification(int verifierId, int userId, int verificationId, 648 T filter, String packageName); 649 void startVerifications(int userId); 650 void receiveVerificationResponse(int verificationId); 651 } 652 653 private class IntentVerifierProxy implements IntentFilterVerifier<ActivityIntentInfo> { 654 private Context mContext; 655 private ComponentName mIntentFilterVerifierComponent; 656 private ArrayList<Integer> mCurrentIntentFilterVerifications = new ArrayList<Integer>(); 657 658 public IntentVerifierProxy(Context context, ComponentName verifierComponent) { 659 mContext = context; 660 mIntentFilterVerifierComponent = verifierComponent; 661 } 662 663 private String getDefaultScheme() { 664 return IntentFilter.SCHEME_HTTPS; 665 } 666 667 @Override 668 public void startVerifications(int userId) { 669 // Launch verifications requests 670 int count = mCurrentIntentFilterVerifications.size(); 671 for (int n=0; n<count; n++) { 672 int verificationId = mCurrentIntentFilterVerifications.get(n); 673 final IntentFilterVerificationState ivs = 674 mIntentFilterVerificationStates.get(verificationId); 675 676 String packageName = ivs.getPackageName(); 677 678 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 679 final int filterCount = filters.size(); 680 ArraySet<String> domainsSet = new ArraySet<>(); 681 for (int m=0; m<filterCount; m++) { 682 PackageParser.ActivityIntentInfo filter = filters.get(m); 683 domainsSet.addAll(filter.getHostsList()); 684 } 685 ArrayList<String> domainsList = new ArrayList<>(domainsSet); 686 synchronized (mPackages) { 687 if (mSettings.createIntentFilterVerificationIfNeededLPw( 688 packageName, domainsList) != null) { 689 scheduleWriteSettingsLocked(); 690 } 691 } 692 sendVerificationRequest(userId, verificationId, ivs); 693 } 694 mCurrentIntentFilterVerifications.clear(); 695 } 696 697 private void sendVerificationRequest(int userId, int verificationId, 698 IntentFilterVerificationState ivs) { 699 700 Intent verificationIntent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 701 verificationIntent.putExtra( 702 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_ID, 703 verificationId); 704 verificationIntent.putExtra( 705 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_URI_SCHEME, 706 getDefaultScheme()); 707 verificationIntent.putExtra( 708 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_HOSTS, 709 ivs.getHostsString()); 710 verificationIntent.putExtra( 711 PackageManager.EXTRA_INTENT_FILTER_VERIFICATION_PACKAGE_NAME, 712 ivs.getPackageName()); 713 verificationIntent.setComponent(mIntentFilterVerifierComponent); 714 verificationIntent.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 715 716 UserHandle user = new UserHandle(userId); 717 mContext.sendBroadcastAsUser(verificationIntent, user); 718 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 719 "Sending IntentFilter verification broadcast"); 720 } 721 722 public void receiveVerificationResponse(int verificationId) { 723 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 724 725 final boolean verified = ivs.isVerified(); 726 727 ArrayList<PackageParser.ActivityIntentInfo> filters = ivs.getFilters(); 728 final int count = filters.size(); 729 if (DEBUG_DOMAIN_VERIFICATION) { 730 Slog.i(TAG, "Received verification response " + verificationId 731 + " for " + count + " filters, verified=" + verified); 732 } 733 for (int n=0; n<count; n++) { 734 PackageParser.ActivityIntentInfo filter = filters.get(n); 735 filter.setVerified(verified); 736 737 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "IntentFilter " + filter.toString() 738 + " verified with result:" + verified + " and hosts:" 739 + ivs.getHostsString()); 740 } 741 742 mIntentFilterVerificationStates.remove(verificationId); 743 744 final String packageName = ivs.getPackageName(); 745 IntentFilterVerificationInfo ivi = null; 746 747 synchronized (mPackages) { 748 ivi = mSettings.getIntentFilterVerificationLPr(packageName); 749 } 750 if (ivi == null) { 751 Slog.w(TAG, "IntentFilterVerificationInfo not found for verificationId:" 752 + verificationId + " packageName:" + packageName); 753 return; 754 } 755 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 756 "Updating IntentFilterVerificationInfo for package " + packageName 757 +" verificationId:" + verificationId); 758 759 synchronized (mPackages) { 760 if (verified) { 761 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS); 762 } else { 763 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK); 764 } 765 scheduleWriteSettingsLocked(); 766 767 final int userId = ivs.getUserId(); 768 if (userId != UserHandle.USER_ALL) { 769 final int userStatus = 770 mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 771 772 int updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED; 773 boolean needUpdate = false; 774 775 // We cannot override the STATUS_ALWAYS / STATUS_NEVER states if they have 776 // already been set by the User thru the Disambiguation dialog 777 switch (userStatus) { 778 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 779 if (verified) { 780 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 781 } else { 782 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK; 783 } 784 needUpdate = true; 785 break; 786 787 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 788 if (verified) { 789 updatedStatus = INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS; 790 needUpdate = true; 791 } 792 break; 793 794 default: 795 // Nothing to do 796 } 797 798 if (needUpdate) { 799 mSettings.updateIntentFilterVerificationStatusLPw( 800 packageName, updatedStatus, userId); 801 scheduleWritePackageRestrictionsLocked(userId); 802 } 803 } 804 } 805 } 806 807 @Override 808 public boolean addOneIntentFilterVerification(int verifierUid, int userId, int verificationId, 809 ActivityIntentInfo filter, String packageName) { 810 if (!hasValidDomains(filter)) { 811 return false; 812 } 813 IntentFilterVerificationState ivs = mIntentFilterVerificationStates.get(verificationId); 814 if (ivs == null) { 815 ivs = createDomainVerificationState(verifierUid, userId, verificationId, 816 packageName); 817 } 818 if (DEBUG_DOMAIN_VERIFICATION) { 819 Slog.d(TAG, "Adding verification filter for " + packageName + ": " + filter); 820 } 821 ivs.addFilter(filter); 822 return true; 823 } 824 825 private IntentFilterVerificationState createDomainVerificationState(int verifierUid, 826 int userId, int verificationId, String packageName) { 827 IntentFilterVerificationState ivs = new IntentFilterVerificationState( 828 verifierUid, userId, packageName); 829 ivs.setPendingState(); 830 synchronized (mPackages) { 831 mIntentFilterVerificationStates.append(verificationId, ivs); 832 mCurrentIntentFilterVerifications.add(verificationId); 833 } 834 return ivs; 835 } 836 } 837 838 private static boolean hasValidDomains(ActivityIntentInfo filter) { 839 return filter.hasCategory(Intent.CATEGORY_BROWSABLE) 840 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 841 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS)); 842 } 843 844 // Set of pending broadcasts for aggregating enable/disable of components. 845 static class PendingPackageBroadcasts { 846 // for each user id, a map of <package name -> components within that package> 847 final SparseArray<ArrayMap<String, ArrayList<String>>> mUidMap; 848 849 public PendingPackageBroadcasts() { 850 mUidMap = new SparseArray<ArrayMap<String, ArrayList<String>>>(2); 851 } 852 853 public ArrayList<String> get(int userId, String packageName) { 854 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 855 return packages.get(packageName); 856 } 857 858 public void put(int userId, String packageName, ArrayList<String> components) { 859 ArrayMap<String, ArrayList<String>> packages = getOrAllocate(userId); 860 packages.put(packageName, components); 861 } 862 863 public void remove(int userId, String packageName) { 864 ArrayMap<String, ArrayList<String>> packages = mUidMap.get(userId); 865 if (packages != null) { 866 packages.remove(packageName); 867 } 868 } 869 870 public void remove(int userId) { 871 mUidMap.remove(userId); 872 } 873 874 public int userIdCount() { 875 return mUidMap.size(); 876 } 877 878 public int userIdAt(int n) { 879 return mUidMap.keyAt(n); 880 } 881 882 public ArrayMap<String, ArrayList<String>> packagesForUserId(int userId) { 883 return mUidMap.get(userId); 884 } 885 886 public int size() { 887 // total number of pending broadcast entries across all userIds 888 int num = 0; 889 for (int i = 0; i< mUidMap.size(); i++) { 890 num += mUidMap.valueAt(i).size(); 891 } 892 return num; 893 } 894 895 public void clear() { 896 mUidMap.clear(); 897 } 898 899 private ArrayMap<String, ArrayList<String>> getOrAllocate(int userId) { 900 ArrayMap<String, ArrayList<String>> map = mUidMap.get(userId); 901 if (map == null) { 902 map = new ArrayMap<String, ArrayList<String>>(); 903 mUidMap.put(userId, map); 904 } 905 return map; 906 } 907 } 908 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 909 910 // Service Connection to remote media container service to copy 911 // package uri's from external media onto secure containers 912 // or internal storage. 913 private IMediaContainerService mContainerService = null; 914 915 static final int SEND_PENDING_BROADCAST = 1; 916 static final int MCS_BOUND = 3; 917 static final int END_COPY = 4; 918 static final int INIT_COPY = 5; 919 static final int MCS_UNBIND = 6; 920 static final int START_CLEANING_PACKAGE = 7; 921 static final int FIND_INSTALL_LOC = 8; 922 static final int POST_INSTALL = 9; 923 static final int MCS_RECONNECT = 10; 924 static final int MCS_GIVE_UP = 11; 925 static final int UPDATED_MEDIA_STATUS = 12; 926 static final int WRITE_SETTINGS = 13; 927 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 928 static final int PACKAGE_VERIFIED = 15; 929 static final int CHECK_PENDING_VERIFICATION = 16; 930 static final int START_INTENT_FILTER_VERIFICATIONS = 17; 931 static final int INTENT_FILTER_VERIFIED = 18; 932 933 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 934 935 // Delay time in millisecs 936 static final int BROADCAST_DELAY = 10 * 1000; 937 938 static UserManagerService sUserManager; 939 940 // Stores a list of users whose package restrictions file needs to be updated 941 private ArraySet<Integer> mDirtyUsers = new ArraySet<Integer>(); 942 943 final private DefaultContainerConnection mDefContainerConn = 944 new DefaultContainerConnection(); 945 class DefaultContainerConnection implements ServiceConnection { 946 public void onServiceConnected(ComponentName name, IBinder service) { 947 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 948 IMediaContainerService imcs = 949 IMediaContainerService.Stub.asInterface(service); 950 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 951 } 952 953 public void onServiceDisconnected(ComponentName name) { 954 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 955 } 956 } 957 958 // Recordkeeping of restore-after-install operations that are currently in flight 959 // between the Package Manager and the Backup Manager 960 static class PostInstallData { 961 public InstallArgs args; 962 public PackageInstalledInfo res; 963 964 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 965 args = _a; 966 res = _r; 967 } 968 } 969 970 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 971 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 972 973 // XML tags for backup/restore of various bits of state 974 private static final String TAG_PREFERRED_BACKUP = "pa"; 975 private static final String TAG_DEFAULT_APPS = "da"; 976 private static final String TAG_INTENT_FILTER_VERIFICATION = "iv"; 977 978 final @Nullable String mRequiredVerifierPackage; 979 final @Nullable String mRequiredInstallerPackage; 980 981 private final PackageUsage mPackageUsage = new PackageUsage(); 982 983 private class PackageUsage { 984 private static final int WRITE_INTERVAL 985 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 986 987 private final Object mFileLock = new Object(); 988 private final AtomicLong mLastWritten = new AtomicLong(0); 989 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 990 991 private boolean mIsHistoricalPackageUsageAvailable = true; 992 993 boolean isHistoricalPackageUsageAvailable() { 994 return mIsHistoricalPackageUsageAvailable; 995 } 996 997 void write(boolean force) { 998 if (force) { 999 writeInternal(); 1000 return; 1001 } 1002 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 1003 && !DEBUG_DEXOPT) { 1004 return; 1005 } 1006 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 1007 new Thread("PackageUsage_DiskWriter") { 1008 @Override 1009 public void run() { 1010 try { 1011 writeInternal(); 1012 } finally { 1013 mBackgroundWriteRunning.set(false); 1014 } 1015 } 1016 }.start(); 1017 } 1018 } 1019 1020 private void writeInternal() { 1021 synchronized (mPackages) { 1022 synchronized (mFileLock) { 1023 AtomicFile file = getFile(); 1024 FileOutputStream f = null; 1025 try { 1026 f = file.startWrite(); 1027 BufferedOutputStream out = new BufferedOutputStream(f); 1028 FileUtils.setPermissions(file.getBaseFile().getPath(), 0640, SYSTEM_UID, PACKAGE_INFO_GID); 1029 StringBuilder sb = new StringBuilder(); 1030 for (PackageParser.Package pkg : mPackages.values()) { 1031 if (pkg.mLastPackageUsageTimeInMills == 0) { 1032 continue; 1033 } 1034 sb.setLength(0); 1035 sb.append(pkg.packageName); 1036 sb.append(' '); 1037 sb.append((long)pkg.mLastPackageUsageTimeInMills); 1038 sb.append('\n'); 1039 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 1040 } 1041 out.flush(); 1042 file.finishWrite(f); 1043 } catch (IOException e) { 1044 if (f != null) { 1045 file.failWrite(f); 1046 } 1047 Log.e(TAG, "Failed to write package usage times", e); 1048 } 1049 } 1050 } 1051 mLastWritten.set(SystemClock.elapsedRealtime()); 1052 } 1053 1054 void readLP() { 1055 synchronized (mFileLock) { 1056 AtomicFile file = getFile(); 1057 BufferedInputStream in = null; 1058 try { 1059 in = new BufferedInputStream(file.openRead()); 1060 StringBuffer sb = new StringBuffer(); 1061 while (true) { 1062 String packageName = readToken(in, sb, ' '); 1063 if (packageName == null) { 1064 break; 1065 } 1066 String timeInMillisString = readToken(in, sb, '\n'); 1067 if (timeInMillisString == null) { 1068 throw new IOException("Failed to find last usage time for package " 1069 + packageName); 1070 } 1071 PackageParser.Package pkg = mPackages.get(packageName); 1072 if (pkg == null) { 1073 continue; 1074 } 1075 long timeInMillis; 1076 try { 1077 timeInMillis = Long.parseLong(timeInMillisString); 1078 } catch (NumberFormatException e) { 1079 throw new IOException("Failed to parse " + timeInMillisString 1080 + " as a long.", e); 1081 } 1082 pkg.mLastPackageUsageTimeInMills = timeInMillis; 1083 } 1084 } catch (FileNotFoundException expected) { 1085 mIsHistoricalPackageUsageAvailable = false; 1086 } catch (IOException e) { 1087 Log.w(TAG, "Failed to read package usage times", e); 1088 } finally { 1089 IoUtils.closeQuietly(in); 1090 } 1091 } 1092 mLastWritten.set(SystemClock.elapsedRealtime()); 1093 } 1094 1095 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 1096 throws IOException { 1097 sb.setLength(0); 1098 while (true) { 1099 int ch = in.read(); 1100 if (ch == -1) { 1101 if (sb.length() == 0) { 1102 return null; 1103 } 1104 throw new IOException("Unexpected EOF"); 1105 } 1106 if (ch == endOfToken) { 1107 return sb.toString(); 1108 } 1109 sb.append((char)ch); 1110 } 1111 } 1112 1113 private AtomicFile getFile() { 1114 File dataDir = Environment.getDataDirectory(); 1115 File systemDir = new File(dataDir, "system"); 1116 File fname = new File(systemDir, "package-usage.list"); 1117 return new AtomicFile(fname); 1118 } 1119 } 1120 1121 class PackageHandler extends Handler { 1122 private boolean mBound = false; 1123 final ArrayList<HandlerParams> mPendingInstalls = 1124 new ArrayList<HandlerParams>(); 1125 1126 private boolean connectToService() { 1127 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 1128 " DefaultContainerService"); 1129 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 1130 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1131 if (mContext.bindServiceAsUser(service, mDefContainerConn, 1132 Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 1133 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1134 mBound = true; 1135 return true; 1136 } 1137 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1138 return false; 1139 } 1140 1141 private void disconnectService() { 1142 mContainerService = null; 1143 mBound = false; 1144 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1145 mContext.unbindService(mDefContainerConn); 1146 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1147 } 1148 1149 PackageHandler(Looper looper) { 1150 super(looper); 1151 } 1152 1153 public void handleMessage(Message msg) { 1154 try { 1155 doHandleMessage(msg); 1156 } finally { 1157 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1158 } 1159 } 1160 1161 void doHandleMessage(Message msg) { 1162 switch (msg.what) { 1163 case INIT_COPY: { 1164 HandlerParams params = (HandlerParams) msg.obj; 1165 int idx = mPendingInstalls.size(); 1166 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 1167 // If a bind was already initiated we dont really 1168 // need to do anything. The pending install 1169 // will be processed later on. 1170 if (!mBound) { 1171 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1172 System.identityHashCode(mHandler)); 1173 // If this is the only one pending we might 1174 // have to bind to the service again. 1175 if (!connectToService()) { 1176 Slog.e(TAG, "Failed to bind to media container service"); 1177 params.serviceError(); 1178 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1179 System.identityHashCode(mHandler)); 1180 if (params.traceMethod != null) { 1181 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, params.traceMethod, 1182 params.traceCookie); 1183 } 1184 return; 1185 } else { 1186 // Once we bind to the service, the first 1187 // pending request will be processed. 1188 mPendingInstalls.add(idx, params); 1189 } 1190 } else { 1191 mPendingInstalls.add(idx, params); 1192 // Already bound to the service. Just make 1193 // sure we trigger off processing the first request. 1194 if (idx == 0) { 1195 mHandler.sendEmptyMessage(MCS_BOUND); 1196 } 1197 } 1198 break; 1199 } 1200 case MCS_BOUND: { 1201 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 1202 if (msg.obj != null) { 1203 mContainerService = (IMediaContainerService) msg.obj; 1204 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "bindingMCS", 1205 System.identityHashCode(mHandler)); 1206 } 1207 if (mContainerService == null) { 1208 if (!mBound) { 1209 // Something seriously wrong since we are not bound and we are not 1210 // waiting for connection. Bail out. 1211 Slog.e(TAG, "Cannot bind to media container service"); 1212 for (HandlerParams params : mPendingInstalls) { 1213 // Indicate service bind error 1214 params.serviceError(); 1215 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1216 System.identityHashCode(params)); 1217 if (params.traceMethod != null) { 1218 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, 1219 params.traceMethod, params.traceCookie); 1220 } 1221 return; 1222 } 1223 mPendingInstalls.clear(); 1224 } else { 1225 Slog.w(TAG, "Waiting to connect to media container service"); 1226 } 1227 } else if (mPendingInstalls.size() > 0) { 1228 HandlerParams params = mPendingInstalls.get(0); 1229 if (params != null) { 1230 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1231 System.identityHashCode(params)); 1232 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "startCopy"); 1233 if (params.startCopy()) { 1234 // We are done... look for more work or to 1235 // go idle. 1236 if (DEBUG_SD_INSTALL) Log.i(TAG, 1237 "Checking for more work or unbind..."); 1238 // Delete pending install 1239 if (mPendingInstalls.size() > 0) { 1240 mPendingInstalls.remove(0); 1241 } 1242 if (mPendingInstalls.size() == 0) { 1243 if (mBound) { 1244 if (DEBUG_SD_INSTALL) Log.i(TAG, 1245 "Posting delayed MCS_UNBIND"); 1246 removeMessages(MCS_UNBIND); 1247 Message ubmsg = obtainMessage(MCS_UNBIND); 1248 // Unbind after a little delay, to avoid 1249 // continual thrashing. 1250 sendMessageDelayed(ubmsg, 10000); 1251 } 1252 } else { 1253 // There are more pending requests in queue. 1254 // Just post MCS_BOUND message to trigger processing 1255 // of next pending install. 1256 if (DEBUG_SD_INSTALL) Log.i(TAG, 1257 "Posting MCS_BOUND for next work"); 1258 mHandler.sendEmptyMessage(MCS_BOUND); 1259 } 1260 } 1261 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 1262 } 1263 } else { 1264 // Should never happen ideally. 1265 Slog.w(TAG, "Empty queue"); 1266 } 1267 break; 1268 } 1269 case MCS_RECONNECT: { 1270 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 1271 if (mPendingInstalls.size() > 0) { 1272 if (mBound) { 1273 disconnectService(); 1274 } 1275 if (!connectToService()) { 1276 Slog.e(TAG, "Failed to bind to media container service"); 1277 for (HandlerParams params : mPendingInstalls) { 1278 // Indicate service bind error 1279 params.serviceError(); 1280 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1281 System.identityHashCode(params)); 1282 } 1283 mPendingInstalls.clear(); 1284 } 1285 } 1286 break; 1287 } 1288 case MCS_UNBIND: { 1289 // If there is no actual work left, then time to unbind. 1290 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 1291 1292 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 1293 if (mBound) { 1294 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 1295 1296 disconnectService(); 1297 } 1298 } else if (mPendingInstalls.size() > 0) { 1299 // There are more pending requests in queue. 1300 // Just post MCS_BOUND message to trigger processing 1301 // of next pending install. 1302 mHandler.sendEmptyMessage(MCS_BOUND); 1303 } 1304 1305 break; 1306 } 1307 case MCS_GIVE_UP: { 1308 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 1309 HandlerParams params = mPendingInstalls.remove(0); 1310 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 1311 System.identityHashCode(params)); 1312 break; 1313 } 1314 case SEND_PENDING_BROADCAST: { 1315 String packages[]; 1316 ArrayList<String> components[]; 1317 int size = 0; 1318 int uids[]; 1319 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1320 synchronized (mPackages) { 1321 if (mPendingBroadcasts == null) { 1322 return; 1323 } 1324 size = mPendingBroadcasts.size(); 1325 if (size <= 0) { 1326 // Nothing to be done. Just return 1327 return; 1328 } 1329 packages = new String[size]; 1330 components = new ArrayList[size]; 1331 uids = new int[size]; 1332 int i = 0; // filling out the above arrays 1333 1334 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 1335 int packageUserId = mPendingBroadcasts.userIdAt(n); 1336 Iterator<Map.Entry<String, ArrayList<String>>> it 1337 = mPendingBroadcasts.packagesForUserId(packageUserId) 1338 .entrySet().iterator(); 1339 while (it.hasNext() && i < size) { 1340 Map.Entry<String, ArrayList<String>> ent = it.next(); 1341 packages[i] = ent.getKey(); 1342 components[i] = ent.getValue(); 1343 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 1344 uids[i] = (ps != null) 1345 ? UserHandle.getUid(packageUserId, ps.appId) 1346 : -1; 1347 i++; 1348 } 1349 } 1350 size = i; 1351 mPendingBroadcasts.clear(); 1352 } 1353 // Send broadcasts 1354 for (int i = 0; i < size; i++) { 1355 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 1356 } 1357 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1358 break; 1359 } 1360 case START_CLEANING_PACKAGE: { 1361 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1362 final String packageName = (String)msg.obj; 1363 final int userId = msg.arg1; 1364 final boolean andCode = msg.arg2 != 0; 1365 synchronized (mPackages) { 1366 if (userId == UserHandle.USER_ALL) { 1367 int[] users = sUserManager.getUserIds(); 1368 for (int user : users) { 1369 mSettings.addPackageToCleanLPw( 1370 new PackageCleanItem(user, packageName, andCode)); 1371 } 1372 } else { 1373 mSettings.addPackageToCleanLPw( 1374 new PackageCleanItem(userId, packageName, andCode)); 1375 } 1376 } 1377 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1378 startCleaningPackages(); 1379 } break; 1380 case POST_INSTALL: { 1381 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 1382 1383 PostInstallData data = mRunningInstalls.get(msg.arg1); 1384 mRunningInstalls.delete(msg.arg1); 1385 boolean deleteOld = false; 1386 1387 if (data != null) { 1388 InstallArgs args = data.args; 1389 PackageInstalledInfo res = data.res; 1390 1391 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 1392 final String packageName = res.pkg.applicationInfo.packageName; 1393 res.removedInfo.sendBroadcast(false, true, false); 1394 Bundle extras = new Bundle(1); 1395 extras.putInt(Intent.EXTRA_UID, res.uid); 1396 1397 // Now that we successfully installed the package, grant runtime 1398 // permissions if requested before broadcasting the install. 1399 if ((args.installFlags 1400 & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 1401 && res.pkg.applicationInfo.targetSdkVersion 1402 >= Build.VERSION_CODES.M) { 1403 grantRequestedRuntimePermissions(res.pkg, args.user.getIdentifier(), 1404 args.installGrantPermissions); 1405 } 1406 1407 synchronized (mPackages) { 1408 mEphemeralApplicationRegistry.onPackageInstalledLPw(res.pkg); 1409 } 1410 1411 // Determine the set of users who are adding this 1412 // package for the first time vs. those who are seeing 1413 // an update. 1414 int[] firstUsers; 1415 int[] updateUsers = new int[0]; 1416 if (res.origUsers == null || res.origUsers.length == 0) { 1417 firstUsers = res.newUsers; 1418 } else { 1419 firstUsers = new int[0]; 1420 for (int i=0; i<res.newUsers.length; i++) { 1421 int user = res.newUsers[i]; 1422 boolean isNew = true; 1423 for (int j=0; j<res.origUsers.length; j++) { 1424 if (res.origUsers[j] == user) { 1425 isNew = false; 1426 break; 1427 } 1428 } 1429 if (isNew) { 1430 int[] newFirst = new int[firstUsers.length+1]; 1431 System.arraycopy(firstUsers, 0, newFirst, 0, 1432 firstUsers.length); 1433 newFirst[firstUsers.length] = user; 1434 firstUsers = newFirst; 1435 } else { 1436 int[] newUpdate = new int[updateUsers.length+1]; 1437 System.arraycopy(updateUsers, 0, newUpdate, 0, 1438 updateUsers.length); 1439 newUpdate[updateUsers.length] = user; 1440 updateUsers = newUpdate; 1441 } 1442 } 1443 } 1444 // don't broadcast for ephemeral installs/updates 1445 final boolean isEphemeral = isEphemeral(res.pkg); 1446 if (!isEphemeral) { 1447 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1448 extras, 0 /*flags*/, null /*targetPackage*/, 1449 null /*finishedReceiver*/, firstUsers); 1450 } 1451 final boolean update = res.removedInfo.removedPackage != null; 1452 if (update) { 1453 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1454 } 1455 if (!isEphemeral) { 1456 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 1457 extras, 0 /*flags*/, null /*targetPackage*/, 1458 null /*finishedReceiver*/, updateUsers); 1459 } 1460 if (update) { 1461 if (!isEphemeral) { 1462 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1463 packageName, extras, 0 /*flags*/, 1464 null /*targetPackage*/, null /*finishedReceiver*/, 1465 updateUsers); 1466 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1467 null /*package*/, null /*extras*/, 0 /*flags*/, 1468 packageName /*targetPackage*/, 1469 null /*finishedReceiver*/, updateUsers); 1470 } 1471 1472 // treat asec-hosted packages like removable media on upgrade 1473 if (res.pkg.isForwardLocked() || isExternal(res.pkg)) { 1474 if (DEBUG_INSTALL) { 1475 Slog.i(TAG, "upgrading pkg " + res.pkg 1476 + " is ASEC-hosted -> AVAILABLE"); 1477 } 1478 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1479 ArrayList<String> pkgList = new ArrayList<String>(1); 1480 pkgList.add(packageName); 1481 sendResourcesChangedBroadcast(true, true, 1482 pkgList,uidArray, null); 1483 } 1484 } 1485 if (res.removedInfo.args != null) { 1486 // Remove the replaced package's older resources safely now 1487 deleteOld = true; 1488 } 1489 1490 // If this app is a browser and it's newly-installed for some 1491 // users, clear any default-browser state in those users 1492 if (firstUsers.length > 0) { 1493 // the app's nature doesn't depend on the user, so we can just 1494 // check its browser nature in any user and generalize. 1495 if (packageIsBrowser(packageName, firstUsers[0])) { 1496 synchronized (mPackages) { 1497 for (int userId : firstUsers) { 1498 mSettings.setDefaultBrowserPackageNameLPw(null, userId); 1499 } 1500 } 1501 } 1502 } 1503 // Log current value of "unknown sources" setting 1504 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1505 getUnknownSourcesSettings()); 1506 } 1507 // Force a gc to clear up things 1508 Runtime.getRuntime().gc(); 1509 // We delete after a gc for applications on sdcard. 1510 if (deleteOld) { 1511 synchronized (mInstallLock) { 1512 res.removedInfo.args.doPostDeleteLI(true); 1513 } 1514 } 1515 if (args.observer != null) { 1516 try { 1517 Bundle extras = extrasForInstallResult(res); 1518 args.observer.onPackageInstalled(res.name, res.returnCode, 1519 res.returnMsg, extras); 1520 } catch (RemoteException e) { 1521 Slog.i(TAG, "Observer no longer exists."); 1522 } 1523 } 1524 if (args.traceMethod != null) { 1525 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, args.traceMethod, 1526 args.traceCookie); 1527 } 1528 return; 1529 } else { 1530 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1531 } 1532 1533 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "postInstall", msg.arg1); 1534 } break; 1535 case UPDATED_MEDIA_STATUS: { 1536 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1537 boolean reportStatus = msg.arg1 == 1; 1538 boolean doGc = msg.arg2 == 1; 1539 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1540 if (doGc) { 1541 // Force a gc to clear up stale containers. 1542 Runtime.getRuntime().gc(); 1543 } 1544 if (msg.obj != null) { 1545 @SuppressWarnings("unchecked") 1546 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1547 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1548 // Unload containers 1549 unloadAllContainers(args); 1550 } 1551 if (reportStatus) { 1552 try { 1553 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1554 PackageHelper.getMountService().finishMediaUpdate(); 1555 } catch (RemoteException e) { 1556 Log.e(TAG, "MountService not running?"); 1557 } 1558 } 1559 } break; 1560 case WRITE_SETTINGS: { 1561 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1562 synchronized (mPackages) { 1563 removeMessages(WRITE_SETTINGS); 1564 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1565 mSettings.writeLPr(); 1566 mDirtyUsers.clear(); 1567 } 1568 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1569 } break; 1570 case WRITE_PACKAGE_RESTRICTIONS: { 1571 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1572 synchronized (mPackages) { 1573 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1574 for (int userId : mDirtyUsers) { 1575 mSettings.writePackageRestrictionsLPr(userId); 1576 } 1577 mDirtyUsers.clear(); 1578 } 1579 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1580 } break; 1581 case CHECK_PENDING_VERIFICATION: { 1582 final int verificationId = msg.arg1; 1583 final PackageVerificationState state = mPendingVerification.get(verificationId); 1584 1585 if ((state != null) && !state.timeoutExtended()) { 1586 final InstallArgs args = state.getInstallArgs(); 1587 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1588 1589 Slog.i(TAG, "Verification timed out for " + originUri); 1590 mPendingVerification.remove(verificationId); 1591 1592 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1593 1594 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1595 Slog.i(TAG, "Continuing with installation of " + originUri); 1596 state.setVerifierResponse(Binder.getCallingUid(), 1597 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1598 broadcastPackageVerified(verificationId, originUri, 1599 PackageManager.VERIFICATION_ALLOW, 1600 state.getInstallArgs().getUser()); 1601 try { 1602 ret = args.copyApk(mContainerService, true); 1603 } catch (RemoteException e) { 1604 Slog.e(TAG, "Could not contact the ContainerService"); 1605 } 1606 } else { 1607 broadcastPackageVerified(verificationId, originUri, 1608 PackageManager.VERIFICATION_REJECT, 1609 state.getInstallArgs().getUser()); 1610 } 1611 1612 Trace.asyncTraceEnd( 1613 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1614 1615 processPendingInstall(args, ret); 1616 mHandler.sendEmptyMessage(MCS_UNBIND); 1617 } 1618 break; 1619 } 1620 case PACKAGE_VERIFIED: { 1621 final int verificationId = msg.arg1; 1622 1623 final PackageVerificationState state = mPendingVerification.get(verificationId); 1624 if (state == null) { 1625 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1626 break; 1627 } 1628 1629 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1630 1631 state.setVerifierResponse(response.callerUid, response.code); 1632 1633 if (state.isVerificationComplete()) { 1634 mPendingVerification.remove(verificationId); 1635 1636 final InstallArgs args = state.getInstallArgs(); 1637 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1638 1639 int ret; 1640 if (state.isInstallAllowed()) { 1641 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1642 broadcastPackageVerified(verificationId, originUri, 1643 response.code, state.getInstallArgs().getUser()); 1644 try { 1645 ret = args.copyApk(mContainerService, true); 1646 } catch (RemoteException e) { 1647 Slog.e(TAG, "Could not contact the ContainerService"); 1648 } 1649 } else { 1650 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1651 } 1652 1653 Trace.asyncTraceEnd( 1654 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 1655 1656 processPendingInstall(args, ret); 1657 mHandler.sendEmptyMessage(MCS_UNBIND); 1658 } 1659 1660 break; 1661 } 1662 case START_INTENT_FILTER_VERIFICATIONS: { 1663 IFVerificationParams params = (IFVerificationParams) msg.obj; 1664 verifyIntentFiltersIfNeeded(params.userId, params.verifierUid, 1665 params.replacing, params.pkg); 1666 break; 1667 } 1668 case INTENT_FILTER_VERIFIED: { 1669 final int verificationId = msg.arg1; 1670 1671 final IntentFilterVerificationState state = mIntentFilterVerificationStates.get( 1672 verificationId); 1673 if (state == null) { 1674 Slog.w(TAG, "Invalid IntentFilter verification token " 1675 + verificationId + " received"); 1676 break; 1677 } 1678 1679 final int userId = state.getUserId(); 1680 1681 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1682 "Processing IntentFilter verification with token:" 1683 + verificationId + " and userId:" + userId); 1684 1685 final IntentFilterVerificationResponse response = 1686 (IntentFilterVerificationResponse) msg.obj; 1687 1688 state.setVerifierResponse(response.callerUid, response.code); 1689 1690 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1691 "IntentFilter verification with token:" + verificationId 1692 + " and userId:" + userId 1693 + " is settings verifier response with response code:" 1694 + response.code); 1695 1696 if (response.code == PackageManager.INTENT_FILTER_VERIFICATION_FAILURE) { 1697 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Domains failing verification: " 1698 + response.getFailedDomainsString()); 1699 } 1700 1701 if (state.isVerificationComplete()) { 1702 mIntentFilterVerifier.receiveVerificationResponse(verificationId); 1703 } else { 1704 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 1705 "IntentFilter verification with token:" + verificationId 1706 + " was not said to be complete"); 1707 } 1708 1709 break; 1710 } 1711 } 1712 } 1713 } 1714 1715 private StorageEventListener mStorageListener = new StorageEventListener() { 1716 @Override 1717 public void onVolumeStateChanged(VolumeInfo vol, int oldState, int newState) { 1718 if (vol.type == VolumeInfo.TYPE_PRIVATE) { 1719 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1720 final String volumeUuid = vol.getFsUuid(); 1721 1722 // Clean up any users or apps that were removed or recreated 1723 // while this volume was missing 1724 reconcileUsers(volumeUuid); 1725 reconcileApps(volumeUuid); 1726 1727 // Clean up any install sessions that expired or were 1728 // cancelled while this volume was missing 1729 mInstallerService.onPrivateVolumeMounted(volumeUuid); 1730 1731 loadPrivatePackages(vol); 1732 1733 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1734 unloadPrivatePackages(vol); 1735 } 1736 } 1737 1738 if (vol.type == VolumeInfo.TYPE_PUBLIC && vol.isPrimary()) { 1739 if (vol.state == VolumeInfo.STATE_MOUNTED) { 1740 updateExternalMediaStatus(true, false); 1741 } else if (vol.state == VolumeInfo.STATE_EJECTING) { 1742 updateExternalMediaStatus(false, false); 1743 } 1744 } 1745 } 1746 1747 @Override 1748 public void onVolumeForgotten(String fsUuid) { 1749 if (TextUtils.isEmpty(fsUuid)) { 1750 Slog.e(TAG, "Forgetting internal storage is probably a mistake; ignoring"); 1751 return; 1752 } 1753 1754 // Remove any apps installed on the forgotten volume 1755 synchronized (mPackages) { 1756 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(fsUuid); 1757 for (PackageSetting ps : packages) { 1758 Slog.d(TAG, "Destroying " + ps.name + " because volume was forgotten"); 1759 deletePackage(ps.name, new LegacyPackageDeleteObserver(null).getBinder(), 1760 UserHandle.USER_SYSTEM, PackageManager.DELETE_ALL_USERS); 1761 } 1762 1763 mSettings.onVolumeForgotten(fsUuid); 1764 mSettings.writeLPr(); 1765 } 1766 } 1767 }; 1768 1769 private void grantRequestedRuntimePermissions(PackageParser.Package pkg, int userId, 1770 String[] grantedPermissions) { 1771 if (userId >= UserHandle.USER_SYSTEM) { 1772 grantRequestedRuntimePermissionsForUser(pkg, userId, grantedPermissions); 1773 } else if (userId == UserHandle.USER_ALL) { 1774 final int[] userIds; 1775 synchronized (mPackages) { 1776 userIds = UserManagerService.getInstance().getUserIds(); 1777 } 1778 for (int someUserId : userIds) { 1779 grantRequestedRuntimePermissionsForUser(pkg, someUserId, grantedPermissions); 1780 } 1781 } 1782 1783 // We could have touched GID membership, so flush out packages.list 1784 synchronized (mPackages) { 1785 mSettings.writePackageListLPr(); 1786 } 1787 } 1788 1789 private void grantRequestedRuntimePermissionsForUser(PackageParser.Package pkg, int userId, 1790 String[] grantedPermissions) { 1791 SettingBase sb = (SettingBase) pkg.mExtras; 1792 if (sb == null) { 1793 return; 1794 } 1795 1796 PermissionsState permissionsState = sb.getPermissionsState(); 1797 1798 final int immutableFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 1799 | PackageManager.FLAG_PERMISSION_POLICY_FIXED; 1800 1801 synchronized (mPackages) { 1802 for (String permission : pkg.requestedPermissions) { 1803 BasePermission bp = mSettings.mPermissions.get(permission); 1804 if (bp != null && (bp.isRuntime() || bp.isDevelopment()) 1805 && (grantedPermissions == null 1806 || ArrayUtils.contains(grantedPermissions, permission))) { 1807 final int flags = permissionsState.getPermissionFlags(permission, userId); 1808 // Installer cannot change immutable permissions. 1809 if ((flags & immutableFlags) == 0) { 1810 grantRuntimePermission(pkg.packageName, permission, userId); 1811 } 1812 } 1813 } 1814 } 1815 } 1816 1817 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1818 Bundle extras = null; 1819 switch (res.returnCode) { 1820 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1821 extras = new Bundle(); 1822 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1823 res.origPermission); 1824 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1825 res.origPackage); 1826 break; 1827 } 1828 case PackageManager.INSTALL_SUCCEEDED: { 1829 extras = new Bundle(); 1830 extras.putBoolean(Intent.EXTRA_REPLACING, 1831 res.removedInfo != null && res.removedInfo.removedPackage != null); 1832 break; 1833 } 1834 } 1835 return extras; 1836 } 1837 1838 void scheduleWriteSettingsLocked() { 1839 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1840 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1841 } 1842 } 1843 1844 void scheduleWritePackageRestrictionsLocked(int userId) { 1845 if (!sUserManager.exists(userId)) return; 1846 mDirtyUsers.add(userId); 1847 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1848 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1849 } 1850 } 1851 1852 public static PackageManagerService main(Context context, Installer installer, 1853 boolean factoryTest, boolean onlyCore) { 1854 PackageManagerService m = new PackageManagerService(context, installer, 1855 factoryTest, onlyCore); 1856 m.enableSystemUserPackages(); 1857 ServiceManager.addService("package", m); 1858 return m; 1859 } 1860 1861 private void enableSystemUserPackages() { 1862 if (!UserManager.isSplitSystemUser()) { 1863 return; 1864 } 1865 // For system user, enable apps based on the following conditions: 1866 // - app is whitelisted or belong to one of these groups: 1867 // -- system app which has no launcher icons 1868 // -- system app which has INTERACT_ACROSS_USERS permission 1869 // -- system IME app 1870 // - app is not in the blacklist 1871 AppsQueryHelper queryHelper = new AppsQueryHelper(this); 1872 Set<String> enableApps = new ArraySet<>(); 1873 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_NON_LAUNCHABLE_APPS 1874 | AppsQueryHelper.GET_APPS_WITH_INTERACT_ACROSS_USERS_PERM 1875 | AppsQueryHelper.GET_IMES, /* systemAppsOnly */ true, UserHandle.SYSTEM)); 1876 ArraySet<String> wlApps = SystemConfig.getInstance().getSystemUserWhitelistedApps(); 1877 enableApps.addAll(wlApps); 1878 enableApps.addAll(queryHelper.queryApps(AppsQueryHelper.GET_REQUIRED_FOR_SYSTEM_USER, 1879 /* systemAppsOnly */ false, UserHandle.SYSTEM)); 1880 ArraySet<String> blApps = SystemConfig.getInstance().getSystemUserBlacklistedApps(); 1881 enableApps.removeAll(blApps); 1882 Log.i(TAG, "Applications installed for system user: " + enableApps); 1883 List<String> allAps = queryHelper.queryApps(0, /* systemAppsOnly */ false, 1884 UserHandle.SYSTEM); 1885 final int allAppsSize = allAps.size(); 1886 synchronized (mPackages) { 1887 for (int i = 0; i < allAppsSize; i++) { 1888 String pName = allAps.get(i); 1889 PackageSetting pkgSetting = mSettings.mPackages.get(pName); 1890 // Should not happen, but we shouldn't be failing if it does 1891 if (pkgSetting == null) { 1892 continue; 1893 } 1894 boolean install = enableApps.contains(pName); 1895 if (pkgSetting.getInstalled(UserHandle.USER_SYSTEM) != install) { 1896 Log.i(TAG, (install ? "Installing " : "Uninstalling ") + pName 1897 + " for system user"); 1898 pkgSetting.setInstalled(install, UserHandle.USER_SYSTEM); 1899 } 1900 } 1901 } 1902 } 1903 1904 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1905 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1906 Context.DISPLAY_SERVICE); 1907 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1908 } 1909 1910 public PackageManagerService(Context context, Installer installer, 1911 boolean factoryTest, boolean onlyCore) { 1912 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1913 SystemClock.uptimeMillis()); 1914 1915 if (mSdkVersion <= 0) { 1916 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1917 } 1918 1919 mContext = context; 1920 mFactoryTest = factoryTest; 1921 mOnlyCore = onlyCore; 1922 mMetrics = new DisplayMetrics(); 1923 mSettings = new Settings(mPackages); 1924 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1925 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1926 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1927 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1928 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1929 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1930 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1931 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1932 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1933 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1934 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1935 ApplicationInfo.FLAG_SYSTEM, ApplicationInfo.PRIVATE_FLAG_PRIVILEGED); 1936 1937 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1938 if (separateProcesses != null && separateProcesses.length() > 0) { 1939 if ("*".equals(separateProcesses)) { 1940 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1941 mSeparateProcesses = null; 1942 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1943 } else { 1944 mDefParseFlags = 0; 1945 mSeparateProcesses = separateProcesses.split(","); 1946 Slog.w(TAG, "Running with debug.separate_processes: " 1947 + separateProcesses); 1948 } 1949 } else { 1950 mDefParseFlags = 0; 1951 mSeparateProcesses = null; 1952 } 1953 1954 mInstaller = installer; 1955 mPackageDexOptimizer = new PackageDexOptimizer(this); 1956 mMoveCallbacks = new MoveCallbacks(FgThread.get().getLooper()); 1957 1958 mOnPermissionChangeListeners = new OnPermissionChangeListeners( 1959 FgThread.get().getLooper()); 1960 1961 getDefaultDisplayMetrics(context, mMetrics); 1962 1963 SystemConfig systemConfig = SystemConfig.getInstance(); 1964 mGlobalGids = systemConfig.getGlobalGids(); 1965 mSystemPermissions = systemConfig.getSystemPermissions(); 1966 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1967 1968 synchronized (mInstallLock) { 1969 // writer 1970 synchronized (mPackages) { 1971 mHandlerThread = new ServiceThread(TAG, 1972 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1973 mHandlerThread.start(); 1974 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1975 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1976 1977 File dataDir = Environment.getDataDirectory(); 1978 mAppInstallDir = new File(dataDir, "app"); 1979 mAppLib32InstallDir = new File(dataDir, "app-lib"); 1980 mEphemeralInstallDir = new File(dataDir, "app-ephemeral"); 1981 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1982 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1983 1984 sUserManager = new UserManagerService(context, this, mPackages); 1985 1986 // Propagate permission configuration in to package manager. 1987 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1988 = systemConfig.getPermissions(); 1989 for (int i=0; i<permConfig.size(); i++) { 1990 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1991 BasePermission bp = mSettings.mPermissions.get(perm.name); 1992 if (bp == null) { 1993 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 1994 mSettings.mPermissions.put(perm.name, bp); 1995 } 1996 if (perm.gids != null) { 1997 bp.setGids(perm.gids, perm.perUser); 1998 } 1999 } 2000 2001 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 2002 for (int i=0; i<libConfig.size(); i++) { 2003 mSharedLibraries.put(libConfig.keyAt(i), 2004 new SharedLibraryEntry(libConfig.valueAt(i), null)); 2005 } 2006 2007 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 2008 2009 mRestoredSettings = mSettings.readLPw(sUserManager.getUsers(false)); 2010 2011 String customResolverActivity = Resources.getSystem().getString( 2012 R.string.config_customResolverActivity); 2013 if (TextUtils.isEmpty(customResolverActivity)) { 2014 customResolverActivity = null; 2015 } else { 2016 mCustomResolverComponentName = ComponentName.unflattenFromString( 2017 customResolverActivity); 2018 } 2019 2020 long startTime = SystemClock.uptimeMillis(); 2021 2022 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 2023 startTime); 2024 2025 // Set flag to monitor and not change apk file paths when 2026 // scanning install directories. 2027 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING | SCAN_INITIAL; 2028 2029 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 2030 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 2031 2032 if (bootClassPath == null) { 2033 Slog.w(TAG, "No BOOTCLASSPATH found!"); 2034 } 2035 2036 if (systemServerClassPath == null) { 2037 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 2038 } 2039 2040 final List<String> allInstructionSets = InstructionSets.getAllInstructionSets(); 2041 final String[] dexCodeInstructionSets = 2042 getDexCodeInstructionSets( 2043 allInstructionSets.toArray(new String[allInstructionSets.size()])); 2044 2045 /** 2046 * Ensure all external libraries have had dexopt run on them. 2047 */ 2048 if (mSharedLibraries.size() > 0) { 2049 // NOTE: For now, we're compiling these system "shared libraries" 2050 // (and framework jars) into all available architectures. It's possible 2051 // to compile them only when we come across an app that uses them (there's 2052 // already logic for that in scanPackageLI) but that adds some complexity. 2053 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 2054 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 2055 final String lib = libEntry.path; 2056 if (lib == null) { 2057 continue; 2058 } 2059 2060 try { 2061 int dexoptNeeded = DexFile.getDexOptNeeded(lib, null, dexCodeInstructionSet, false); 2062 if (dexoptNeeded != DexFile.NO_DEXOPT_NEEDED) { 2063 mInstaller.dexopt(lib, Process.SYSTEM_UID, dexCodeInstructionSet, 2064 dexoptNeeded, DEXOPT_PUBLIC /*dexFlags*/); 2065 } 2066 } catch (FileNotFoundException e) { 2067 Slog.w(TAG, "Library not found: " + lib); 2068 } catch (IOException | InstallerException e) { 2069 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 2070 + e.getMessage()); 2071 } 2072 } 2073 } 2074 } 2075 2076 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 2077 2078 final VersionInfo ver = mSettings.getInternalVersion(); 2079 mIsUpgrade = !Build.FINGERPRINT.equals(ver.fingerprint); 2080 // when upgrading from pre-M, promote system app permissions from install to runtime 2081 mPromoteSystemApps = 2082 mIsUpgrade && ver.sdkVersion <= Build.VERSION_CODES.LOLLIPOP_MR1; 2083 2084 // save off the names of pre-existing system packages prior to scanning; we don't 2085 // want to automatically grant runtime permissions for new system apps 2086 if (mPromoteSystemApps) { 2087 Iterator<PackageSetting> pkgSettingIter = mSettings.mPackages.values().iterator(); 2088 while (pkgSettingIter.hasNext()) { 2089 PackageSetting ps = pkgSettingIter.next(); 2090 if (isSystemApp(ps)) { 2091 mExistingSystemPackages.add(ps.name); 2092 } 2093 } 2094 } 2095 2096 // Collect vendor overlay packages. 2097 // (Do this before scanning any apps.) 2098 // For security and version matching reason, only consider 2099 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 2100 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 2101 scanDirTracedLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 2102 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 2103 2104 // Find base frameworks (resource packages without code). 2105 scanDirTracedLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 2106 | PackageParser.PARSE_IS_SYSTEM_DIR 2107 | PackageParser.PARSE_IS_PRIVILEGED, 2108 scanFlags | SCAN_NO_DEX, 0); 2109 2110 // Collected privileged system packages. 2111 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 2112 scanDirTracedLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 2113 | PackageParser.PARSE_IS_SYSTEM_DIR 2114 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 2115 2116 // Collect ordinary system packages. 2117 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 2118 scanDirTracedLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 2119 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2120 2121 // Collect all vendor packages. 2122 File vendorAppDir = new File("/vendor/app"); 2123 try { 2124 vendorAppDir = vendorAppDir.getCanonicalFile(); 2125 } catch (IOException e) { 2126 // failed to look up canonical path, continue with original one 2127 } 2128 scanDirTracedLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 2129 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2130 2131 // Collect all OEM packages. 2132 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 2133 scanDirTracedLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 2134 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 2135 2136 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 2137 try { 2138 mInstaller.moveFiles(); 2139 } catch (InstallerException e) { 2140 logCriticalInfo(Log.WARN, "Update commands failed: " + e); 2141 } 2142 2143 // Prune any system packages that no longer exist. 2144 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 2145 if (!mOnlyCore) { 2146 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 2147 while (psit.hasNext()) { 2148 PackageSetting ps = psit.next(); 2149 2150 /* 2151 * If this is not a system app, it can't be a 2152 * disable system app. 2153 */ 2154 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 2155 continue; 2156 } 2157 2158 /* 2159 * If the package is scanned, it's not erased. 2160 */ 2161 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 2162 if (scannedPkg != null) { 2163 /* 2164 * If the system app is both scanned and in the 2165 * disabled packages list, then it must have been 2166 * added via OTA. Remove it from the currently 2167 * scanned package so the previously user-installed 2168 * application can be scanned. 2169 */ 2170 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 2171 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 2172 + ps.name + "; removing system app. Last known codePath=" 2173 + ps.codePathString + ", installStatus=" + ps.installStatus 2174 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 2175 + scannedPkg.mVersionCode); 2176 removePackageLI(ps, true); 2177 mExpectingBetter.put(ps.name, ps.codePath); 2178 } 2179 2180 continue; 2181 } 2182 2183 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 2184 psit.remove(); 2185 logCriticalInfo(Log.WARN, "System package " + ps.name 2186 + " no longer exists; wiping its data"); 2187 removeDataDirsLI(null, ps.name); 2188 } else { 2189 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 2190 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 2191 possiblyDeletedUpdatedSystemApps.add(ps.name); 2192 } 2193 } 2194 } 2195 } 2196 2197 //look for any incomplete package installations 2198 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 2199 //clean up list 2200 for(int i = 0; i < deletePkgsList.size(); i++) { 2201 //clean up here 2202 cleanupInstallFailedPackage(deletePkgsList.get(i)); 2203 } 2204 //delete tmp files 2205 deleteTempPackageFiles(); 2206 2207 // Remove any shared userIDs that have no associated packages 2208 mSettings.pruneSharedUsersLPw(); 2209 2210 if (!mOnlyCore) { 2211 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 2212 SystemClock.uptimeMillis()); 2213 scanDirTracedLI(mAppInstallDir, 0, scanFlags | SCAN_REQUIRE_KNOWN, 0); 2214 2215 scanDirTracedLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 2216 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2217 2218 scanDirLI(mEphemeralInstallDir, PackageParser.PARSE_IS_EPHEMERAL, 2219 scanFlags | SCAN_REQUIRE_KNOWN, 0); 2220 2221 /** 2222 * Remove disable package settings for any updated system 2223 * apps that were removed via an OTA. If they're not a 2224 * previously-updated app, remove them completely. 2225 * Otherwise, just revoke their system-level permissions. 2226 */ 2227 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 2228 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 2229 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 2230 2231 String msg; 2232 if (deletedPkg == null) { 2233 msg = "Updated system package " + deletedAppName 2234 + " no longer exists; wiping its data"; 2235 removeDataDirsLI(null, deletedAppName); 2236 } else { 2237 msg = "Updated system app + " + deletedAppName 2238 + " no longer present; removing system privileges for " 2239 + deletedAppName; 2240 2241 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 2242 2243 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 2244 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 2245 } 2246 logCriticalInfo(Log.WARN, msg); 2247 } 2248 2249 /** 2250 * Make sure all system apps that we expected to appear on 2251 * the userdata partition actually showed up. If they never 2252 * appeared, crawl back and revive the system version. 2253 */ 2254 for (int i = 0; i < mExpectingBetter.size(); i++) { 2255 final String packageName = mExpectingBetter.keyAt(i); 2256 if (!mPackages.containsKey(packageName)) { 2257 final File scanFile = mExpectingBetter.valueAt(i); 2258 2259 logCriticalInfo(Log.WARN, "Expected better " + packageName 2260 + " but never showed up; reverting to system"); 2261 2262 final int reparseFlags; 2263 if (FileUtils.contains(privilegedAppDir, scanFile)) { 2264 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2265 | PackageParser.PARSE_IS_SYSTEM_DIR 2266 | PackageParser.PARSE_IS_PRIVILEGED; 2267 } else if (FileUtils.contains(systemAppDir, scanFile)) { 2268 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2269 | PackageParser.PARSE_IS_SYSTEM_DIR; 2270 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 2271 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2272 | PackageParser.PARSE_IS_SYSTEM_DIR; 2273 } else if (FileUtils.contains(oemAppDir, scanFile)) { 2274 reparseFlags = PackageParser.PARSE_IS_SYSTEM 2275 | PackageParser.PARSE_IS_SYSTEM_DIR; 2276 } else { 2277 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 2278 continue; 2279 } 2280 2281 mSettings.enableSystemPackageLPw(packageName); 2282 2283 try { 2284 scanPackageTracedLI(scanFile, reparseFlags, scanFlags, 0, null); 2285 } catch (PackageManagerException e) { 2286 Slog.e(TAG, "Failed to parse original system package: " 2287 + e.getMessage()); 2288 } 2289 } 2290 } 2291 } 2292 mExpectingBetter.clear(); 2293 2294 // Now that we know all of the shared libraries, update all clients to have 2295 // the correct library paths. 2296 updateAllSharedLibrariesLPw(); 2297 2298 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 2299 // NOTE: We ignore potential failures here during a system scan (like 2300 // the rest of the commands above) because there's precious little we 2301 // can do about it. A settings error is reported, though. 2302 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 2303 false /* boot complete */); 2304 } 2305 2306 // Now that we know all the packages we are keeping, 2307 // read and update their last usage times. 2308 mPackageUsage.readLP(); 2309 2310 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 2311 SystemClock.uptimeMillis()); 2312 Slog.i(TAG, "Time to scan packages: " 2313 + ((SystemClock.uptimeMillis()-startTime)/1000f) 2314 + " seconds"); 2315 2316 // If the platform SDK has changed since the last time we booted, 2317 // we need to re-grant app permission to catch any new ones that 2318 // appear. This is really a hack, and means that apps can in some 2319 // cases get permissions that the user didn't initially explicitly 2320 // allow... it would be nice to have some better way to handle 2321 // this situation. 2322 int updateFlags = UPDATE_PERMISSIONS_ALL; 2323 if (ver.sdkVersion != mSdkVersion) { 2324 Slog.i(TAG, "Platform changed from " + ver.sdkVersion + " to " 2325 + mSdkVersion + "; regranting permissions for internal storage"); 2326 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 2327 } 2328 updatePermissionsLPw(null, null, StorageManager.UUID_PRIVATE_INTERNAL, updateFlags); 2329 ver.sdkVersion = mSdkVersion; 2330 2331 // If this is the first boot or an update from pre-M, and it is a normal 2332 // boot, then we need to initialize the default preferred apps across 2333 // all defined users. 2334 if (!onlyCore && (mPromoteSystemApps || !mRestoredSettings)) { 2335 for (UserInfo user : sUserManager.getUsers(true)) { 2336 mSettings.applyDefaultPreferredAppsLPw(this, user.id); 2337 applyFactoryDefaultBrowserLPw(user.id); 2338 primeDomainVerificationsLPw(user.id); 2339 } 2340 } 2341 2342 // Prepare storage for system user really early during boot, 2343 // since core system apps like SettingsProvider and SystemUI 2344 // can't wait for user to start 2345 final int flags; 2346 if (StorageManager.isFileBasedEncryptionEnabled()) { 2347 flags = Installer.FLAG_DE_STORAGE; 2348 } else { 2349 flags = Installer.FLAG_DE_STORAGE | Installer.FLAG_CE_STORAGE; 2350 } 2351 reconcileAppsData(StorageManager.UUID_PRIVATE_INTERNAL, UserHandle.USER_SYSTEM, flags); 2352 2353 // If this is first boot after an OTA, and a normal boot, then 2354 // we need to clear code cache directories. 2355 if (mIsUpgrade && !onlyCore) { 2356 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 2357 for (int i = 0; i < mSettings.mPackages.size(); i++) { 2358 final PackageSetting ps = mSettings.mPackages.valueAt(i); 2359 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, ps.volumeUuid)) { 2360 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 2361 } 2362 } 2363 ver.fingerprint = Build.FINGERPRINT; 2364 } 2365 2366 checkDefaultBrowser(); 2367 2368 // clear only after permissions and other defaults have been updated 2369 mExistingSystemPackages.clear(); 2370 mPromoteSystemApps = false; 2371 2372 // All the changes are done during package scanning. 2373 ver.databaseVersion = Settings.CURRENT_DATABASE_VERSION; 2374 2375 // can downgrade to reader 2376 mSettings.writeLPr(); 2377 2378 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 2379 SystemClock.uptimeMillis()); 2380 2381 if (!mOnlyCore) { 2382 mRequiredVerifierPackage = getRequiredButNotReallyRequiredVerifierLPr(); 2383 mRequiredInstallerPackage = getRequiredInstallerLPr(); 2384 mIntentFilterVerifierComponent = getIntentFilterVerifierComponentNameLPr(); 2385 mIntentFilterVerifier = new IntentVerifierProxy(mContext, 2386 mIntentFilterVerifierComponent); 2387 } else { 2388 mRequiredVerifierPackage = null; 2389 mRequiredInstallerPackage = null; 2390 mIntentFilterVerifierComponent = null; 2391 mIntentFilterVerifier = null; 2392 } 2393 2394 mInstallerService = new PackageInstallerService(context, this); 2395 2396 final ComponentName ephemeralResolverComponent = getEphemeralResolverLPr(); 2397 final ComponentName ephemeralInstallerComponent = getEphemeralInstallerLPr(); 2398 // both the installer and resolver must be present to enable ephemeral 2399 if (ephemeralInstallerComponent != null && ephemeralResolverComponent != null) { 2400 if (DEBUG_EPHEMERAL) { 2401 Slog.i(TAG, "Ephemeral activated; resolver: " + ephemeralResolverComponent 2402 + " installer:" + ephemeralInstallerComponent); 2403 } 2404 mEphemeralResolverComponent = ephemeralResolverComponent; 2405 mEphemeralInstallerComponent = ephemeralInstallerComponent; 2406 setUpEphemeralInstallerActivityLP(mEphemeralInstallerComponent); 2407 mEphemeralResolverConnection = 2408 new EphemeralResolverConnection(mContext, mEphemeralResolverComponent); 2409 } else { 2410 if (DEBUG_EPHEMERAL) { 2411 final String missingComponent = 2412 (ephemeralResolverComponent == null) 2413 ? (ephemeralInstallerComponent == null) 2414 ? "resolver and installer" 2415 : "resolver" 2416 : "installer"; 2417 Slog.i(TAG, "Ephemeral deactivated; missing " + missingComponent); 2418 } 2419 mEphemeralResolverComponent = null; 2420 mEphemeralInstallerComponent = null; 2421 mEphemeralResolverConnection = null; 2422 } 2423 2424 mEphemeralApplicationRegistry = new EphemeralApplicationRegistry(this); 2425 } // synchronized (mPackages) 2426 } // synchronized (mInstallLock) 2427 2428 // Now after opening every single application zip, make sure they 2429 // are all flushed. Not really needed, but keeps things nice and 2430 // tidy. 2431 Runtime.getRuntime().gc(); 2432 2433 // The initial scanning above does many calls into installd while 2434 // holding the mPackages lock, but we're mostly interested in yelling 2435 // once we have a booted system. 2436 mInstaller.setWarnIfHeld(mPackages); 2437 2438 // Expose private service for system components to use. 2439 LocalServices.addService(PackageManagerInternal.class, new PackageManagerInternalImpl()); 2440 } 2441 2442 @Override 2443 public boolean isFirstBoot() { 2444 return !mRestoredSettings; 2445 } 2446 2447 @Override 2448 public boolean isOnlyCoreApps() { 2449 return mOnlyCore; 2450 } 2451 2452 @Override 2453 public boolean isUpgrade() { 2454 return mIsUpgrade; 2455 } 2456 2457 private @Nullable String getRequiredButNotReallyRequiredVerifierLPr() { 2458 final Intent intent = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 2459 2460 final List<ResolveInfo> matches = queryIntentReceivers(intent, PACKAGE_MIME_TYPE, 2461 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2462 if (matches.size() == 1) { 2463 return matches.get(0).getComponentInfo().packageName; 2464 } else { 2465 Log.e(TAG, "There should probably be exactly one verifier; found " + matches); 2466 return null; 2467 } 2468 } 2469 2470 private @NonNull String getRequiredInstallerLPr() { 2471 final Intent intent = new Intent(Intent.ACTION_INSTALL_PACKAGE); 2472 intent.addCategory(Intent.CATEGORY_DEFAULT); 2473 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2474 2475 final List<ResolveInfo> matches = queryIntentActivities(intent, PACKAGE_MIME_TYPE, 2476 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2477 if (matches.size() == 1) { 2478 return matches.get(0).getComponentInfo().packageName; 2479 } else { 2480 throw new RuntimeException("There must be exactly one installer; found " + matches); 2481 } 2482 } 2483 2484 private @NonNull ComponentName getIntentFilterVerifierComponentNameLPr() { 2485 final Intent intent = new Intent(Intent.ACTION_INTENT_FILTER_NEEDS_VERIFICATION); 2486 2487 final List<ResolveInfo> matches = queryIntentReceivers(intent, PACKAGE_MIME_TYPE, 2488 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2489 ResolveInfo best = null; 2490 final int N = matches.size(); 2491 for (int i = 0; i < N; i++) { 2492 final ResolveInfo cur = matches.get(i); 2493 final String packageName = cur.getComponentInfo().packageName; 2494 if (checkPermission(android.Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 2495 packageName, UserHandle.USER_SYSTEM) != PackageManager.PERMISSION_GRANTED) { 2496 continue; 2497 } 2498 2499 if (best == null || cur.priority > best.priority) { 2500 best = cur; 2501 } 2502 } 2503 2504 if (best != null) { 2505 return best.getComponentInfo().getComponentName(); 2506 } else { 2507 throw new RuntimeException("There must be at least one intent filter verifier"); 2508 } 2509 } 2510 2511 private @Nullable ComponentName getEphemeralResolverLPr() { 2512 final String[] packageArray = 2513 mContext.getResources().getStringArray(R.array.config_ephemeralResolverPackage); 2514 if (packageArray.length == 0) { 2515 if (DEBUG_EPHEMERAL) { 2516 Slog.d(TAG, "Ephemeral resolver NOT found; empty package list"); 2517 } 2518 return null; 2519 } 2520 2521 final Intent resolverIntent = new Intent(Intent.ACTION_RESOLVE_EPHEMERAL_PACKAGE); 2522 final List<ResolveInfo> resolvers = queryIntentServices(resolverIntent, null, 2523 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2524 2525 final int N = resolvers.size(); 2526 if (N == 0) { 2527 if (DEBUG_EPHEMERAL) { 2528 Slog.d(TAG, "Ephemeral resolver NOT found; no matching intent filters"); 2529 } 2530 return null; 2531 } 2532 2533 final Set<String> possiblePackages = new ArraySet<>(Arrays.asList(packageArray)); 2534 for (int i = 0; i < N; i++) { 2535 final ResolveInfo info = resolvers.get(i); 2536 2537 if (info.serviceInfo == null) { 2538 continue; 2539 } 2540 2541 final String packageName = info.serviceInfo.packageName; 2542 if (!possiblePackages.contains(packageName)) { 2543 if (DEBUG_EPHEMERAL) { 2544 Slog.d(TAG, "Ephemeral resolver not in allowed package list;" 2545 + " pkg: " + packageName + ", info:" + info); 2546 } 2547 continue; 2548 } 2549 2550 if (DEBUG_EPHEMERAL) { 2551 Slog.v(TAG, "Ephemeral resolver found;" 2552 + " pkg: " + packageName + ", info:" + info); 2553 } 2554 return new ComponentName(packageName, info.serviceInfo.name); 2555 } 2556 if (DEBUG_EPHEMERAL) { 2557 Slog.v(TAG, "Ephemeral resolver NOT found"); 2558 } 2559 return null; 2560 } 2561 2562 private @Nullable ComponentName getEphemeralInstallerLPr() { 2563 final Intent intent = new Intent(Intent.ACTION_INSTALL_EPHEMERAL_PACKAGE); 2564 intent.addCategory(Intent.CATEGORY_DEFAULT); 2565 intent.setDataAndType(Uri.fromFile(new File("foo.apk")), PACKAGE_MIME_TYPE); 2566 2567 final List<ResolveInfo> matches = queryIntentActivities(intent, PACKAGE_MIME_TYPE, 2568 MATCH_SYSTEM_ONLY | MATCH_ENCRYPTION_AWARE_AND_UNAWARE, UserHandle.USER_SYSTEM); 2569 if (matches.size() == 0) { 2570 return null; 2571 } else if (matches.size() == 1) { 2572 return matches.get(0).getComponentInfo().getComponentName(); 2573 } else { 2574 throw new RuntimeException( 2575 "There must be at most one ephemeral installer; found " + matches); 2576 } 2577 } 2578 2579 private void primeDomainVerificationsLPw(int userId) { 2580 if (DEBUG_DOMAIN_VERIFICATION) { 2581 Slog.d(TAG, "Priming domain verifications in user " + userId); 2582 } 2583 2584 SystemConfig systemConfig = SystemConfig.getInstance(); 2585 ArraySet<String> packages = systemConfig.getLinkedApps(); 2586 ArraySet<String> domains = new ArraySet<String>(); 2587 2588 for (String packageName : packages) { 2589 PackageParser.Package pkg = mPackages.get(packageName); 2590 if (pkg != null) { 2591 if (!pkg.isSystemApp()) { 2592 Slog.w(TAG, "Non-system app '" + packageName + "' in sysconfig <app-link>"); 2593 continue; 2594 } 2595 2596 domains.clear(); 2597 for (PackageParser.Activity a : pkg.activities) { 2598 for (ActivityIntentInfo filter : a.intents) { 2599 if (hasValidDomains(filter)) { 2600 domains.addAll(filter.getHostsList()); 2601 } 2602 } 2603 } 2604 2605 if (domains.size() > 0) { 2606 if (DEBUG_DOMAIN_VERIFICATION) { 2607 Slog.v(TAG, " + " + packageName); 2608 } 2609 // 'Undefined' in the global IntentFilterVerificationInfo, i.e. the usual 2610 // state w.r.t. the formal app-linkage "no verification attempted" state; 2611 // and then 'always' in the per-user state actually used for intent resolution. 2612 final IntentFilterVerificationInfo ivi; 2613 ivi = mSettings.createIntentFilterVerificationIfNeededLPw(packageName, 2614 new ArrayList<String>(domains)); 2615 ivi.setStatus(INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED); 2616 mSettings.updateIntentFilterVerificationStatusLPw(packageName, 2617 INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, userId); 2618 } else { 2619 Slog.w(TAG, "Sysconfig <app-link> package '" + packageName 2620 + "' does not handle web links"); 2621 } 2622 } else { 2623 Slog.w(TAG, "Unknown package " + packageName + " in sysconfig <app-link>"); 2624 } 2625 } 2626 2627 scheduleWritePackageRestrictionsLocked(userId); 2628 scheduleWriteSettingsLocked(); 2629 } 2630 2631 private void applyFactoryDefaultBrowserLPw(int userId) { 2632 // The default browser app's package name is stored in a string resource, 2633 // with a product-specific overlay used for vendor customization. 2634 String browserPkg = mContext.getResources().getString( 2635 com.android.internal.R.string.default_browser); 2636 if (!TextUtils.isEmpty(browserPkg)) { 2637 // non-empty string => required to be a known package 2638 PackageSetting ps = mSettings.mPackages.get(browserPkg); 2639 if (ps == null) { 2640 Slog.e(TAG, "Product default browser app does not exist: " + browserPkg); 2641 browserPkg = null; 2642 } else { 2643 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2644 } 2645 } 2646 2647 // Nothing valid explicitly set? Make the factory-installed browser the explicit 2648 // default. If there's more than one, just leave everything alone. 2649 if (browserPkg == null) { 2650 calculateDefaultBrowserLPw(userId); 2651 } 2652 } 2653 2654 private void calculateDefaultBrowserLPw(int userId) { 2655 List<String> allBrowsers = resolveAllBrowserApps(userId); 2656 final String browserPkg = (allBrowsers.size() == 1) ? allBrowsers.get(0) : null; 2657 mSettings.setDefaultBrowserPackageNameLPw(browserPkg, userId); 2658 } 2659 2660 private List<String> resolveAllBrowserApps(int userId) { 2661 // Resolve the canonical browser intent and check that the handleAllWebDataURI boolean is set 2662 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2663 PackageManager.MATCH_ALL, userId); 2664 2665 final int count = list.size(); 2666 List<String> result = new ArrayList<String>(count); 2667 for (int i=0; i<count; i++) { 2668 ResolveInfo info = list.get(i); 2669 if (info.activityInfo == null 2670 || !info.handleAllWebDataURI 2671 || (info.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) == 0 2672 || result.contains(info.activityInfo.packageName)) { 2673 continue; 2674 } 2675 result.add(info.activityInfo.packageName); 2676 } 2677 2678 return result; 2679 } 2680 2681 private boolean packageIsBrowser(String packageName, int userId) { 2682 List<ResolveInfo> list = queryIntentActivities(sBrowserIntent, null, 2683 PackageManager.MATCH_ALL, userId); 2684 final int N = list.size(); 2685 for (int i = 0; i < N; i++) { 2686 ResolveInfo info = list.get(i); 2687 if (packageName.equals(info.activityInfo.packageName)) { 2688 return true; 2689 } 2690 } 2691 return false; 2692 } 2693 2694 private void checkDefaultBrowser() { 2695 final int myUserId = UserHandle.myUserId(); 2696 final String packageName = getDefaultBrowserPackageName(myUserId); 2697 if (packageName != null) { 2698 PackageInfo info = getPackageInfo(packageName, 0, myUserId); 2699 if (info == null) { 2700 Slog.w(TAG, "Default browser no longer installed: " + packageName); 2701 synchronized (mPackages) { 2702 applyFactoryDefaultBrowserLPw(myUserId); // leaves ambiguous when > 1 2703 } 2704 } 2705 } 2706 } 2707 2708 @Override 2709 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 2710 throws RemoteException { 2711 try { 2712 return super.onTransact(code, data, reply, flags); 2713 } catch (RuntimeException e) { 2714 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 2715 Slog.wtf(TAG, "Package Manager Crash", e); 2716 } 2717 throw e; 2718 } 2719 } 2720 2721 void cleanupInstallFailedPackage(PackageSetting ps) { 2722 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 2723 2724 removeDataDirsLI(ps.volumeUuid, ps.name); 2725 if (ps.codePath != null) { 2726 removeCodePathLI(ps.codePath); 2727 } 2728 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 2729 if (ps.resourcePath.isDirectory()) { 2730 FileUtils.deleteContents(ps.resourcePath); 2731 } 2732 ps.resourcePath.delete(); 2733 } 2734 mSettings.removePackageLPw(ps.name); 2735 } 2736 2737 static int[] appendInts(int[] cur, int[] add) { 2738 if (add == null) return cur; 2739 if (cur == null) return add; 2740 final int N = add.length; 2741 for (int i=0; i<N; i++) { 2742 cur = appendInt(cur, add[i]); 2743 } 2744 return cur; 2745 } 2746 2747 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 2748 if (!sUserManager.exists(userId)) return null; 2749 final PackageSetting ps = (PackageSetting) p.mExtras; 2750 if (ps == null) { 2751 return null; 2752 } 2753 2754 final PermissionsState permissionsState = ps.getPermissionsState(); 2755 2756 final int[] gids = permissionsState.computeGids(userId); 2757 final Set<String> permissions = permissionsState.getPermissions(userId); 2758 final PackageUserState state = ps.readUserState(userId); 2759 2760 return PackageParser.generatePackageInfo(p, gids, flags, 2761 ps.firstInstallTime, ps.lastUpdateTime, permissions, state, userId); 2762 } 2763 2764 @Override 2765 public void checkPackageStartable(String packageName, int userId) { 2766 final boolean userKeyUnlocked = isUserKeyUnlocked(userId); 2767 2768 synchronized (mPackages) { 2769 final PackageSetting ps = mSettings.mPackages.get(packageName); 2770 if (ps == null) { 2771 throw new SecurityException("Package " + packageName + " was not found!"); 2772 } 2773 2774 if (ps.frozen) { 2775 throw new SecurityException("Package " + packageName + " is currently frozen!"); 2776 } 2777 2778 if (!userKeyUnlocked && !(ps.pkg.applicationInfo.isEncryptionAware() 2779 || ps.pkg.applicationInfo.isPartiallyEncryptionAware())) { 2780 throw new SecurityException("Package " + packageName + " is not encryption aware!"); 2781 } 2782 } 2783 } 2784 2785 @Override 2786 public boolean isPackageAvailable(String packageName, int userId) { 2787 if (!sUserManager.exists(userId)) return false; 2788 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available"); 2789 synchronized (mPackages) { 2790 PackageParser.Package p = mPackages.get(packageName); 2791 if (p != null) { 2792 final PackageSetting ps = (PackageSetting) p.mExtras; 2793 if (ps != null) { 2794 final PackageUserState state = ps.readUserState(userId); 2795 if (state != null) { 2796 return PackageParser.isAvailable(state); 2797 } 2798 } 2799 } 2800 } 2801 return false; 2802 } 2803 2804 @Override 2805 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 2806 if (!sUserManager.exists(userId)) return null; 2807 flags = updateFlagsForPackage(flags, userId, packageName); 2808 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info"); 2809 // reader 2810 synchronized (mPackages) { 2811 PackageParser.Package p = mPackages.get(packageName); 2812 if (DEBUG_PACKAGE_INFO) 2813 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 2814 if (p != null) { 2815 return generatePackageInfo(p, flags, userId); 2816 } 2817 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 2818 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 2819 } 2820 } 2821 return null; 2822 } 2823 2824 @Override 2825 public String[] currentToCanonicalPackageNames(String[] names) { 2826 String[] out = new String[names.length]; 2827 // reader 2828 synchronized (mPackages) { 2829 for (int i=names.length-1; i>=0; i--) { 2830 PackageSetting ps = mSettings.mPackages.get(names[i]); 2831 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 2832 } 2833 } 2834 return out; 2835 } 2836 2837 @Override 2838 public String[] canonicalToCurrentPackageNames(String[] names) { 2839 String[] out = new String[names.length]; 2840 // reader 2841 synchronized (mPackages) { 2842 for (int i=names.length-1; i>=0; i--) { 2843 String cur = mSettings.mRenamedPackages.get(names[i]); 2844 out[i] = cur != null ? cur : names[i]; 2845 } 2846 } 2847 return out; 2848 } 2849 2850 @Override 2851 public int getPackageUid(String packageName, int flags, int userId) { 2852 if (!sUserManager.exists(userId)) return -1; 2853 flags = updateFlagsForPackage(flags, userId, packageName); 2854 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid"); 2855 2856 // reader 2857 synchronized (mPackages) { 2858 final PackageParser.Package p = mPackages.get(packageName); 2859 if (p != null && p.isMatch(flags)) { 2860 return UserHandle.getUid(userId, p.applicationInfo.uid); 2861 } 2862 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 2863 final PackageSetting ps = mSettings.mPackages.get(packageName); 2864 if (ps != null && ps.isMatch(flags)) { 2865 return UserHandle.getUid(userId, ps.appId); 2866 } 2867 } 2868 } 2869 2870 return -1; 2871 } 2872 2873 @Override 2874 public int[] getPackageGids(String packageName, int flags, int userId) { 2875 if (!sUserManager.exists(userId)) return null; 2876 flags = updateFlagsForPackage(flags, userId, packageName); 2877 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, 2878 "getPackageGids"); 2879 2880 // reader 2881 synchronized (mPackages) { 2882 final PackageParser.Package p = mPackages.get(packageName); 2883 if (p != null && p.isMatch(flags)) { 2884 PackageSetting ps = (PackageSetting) p.mExtras; 2885 return ps.getPermissionsState().computeGids(userId); 2886 } 2887 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 2888 final PackageSetting ps = mSettings.mPackages.get(packageName); 2889 if (ps != null && ps.isMatch(flags)) { 2890 return ps.getPermissionsState().computeGids(userId); 2891 } 2892 } 2893 } 2894 2895 return null; 2896 } 2897 2898 static PermissionInfo generatePermissionInfo(BasePermission bp, int flags) { 2899 if (bp.perm != null) { 2900 return PackageParser.generatePermissionInfo(bp.perm, flags); 2901 } 2902 PermissionInfo pi = new PermissionInfo(); 2903 pi.name = bp.name; 2904 pi.packageName = bp.sourcePackage; 2905 pi.nonLocalizedLabel = bp.name; 2906 pi.protectionLevel = bp.protectionLevel; 2907 return pi; 2908 } 2909 2910 @Override 2911 public PermissionInfo getPermissionInfo(String name, int flags) { 2912 // reader 2913 synchronized (mPackages) { 2914 final BasePermission p = mSettings.mPermissions.get(name); 2915 if (p != null) { 2916 return generatePermissionInfo(p, flags); 2917 } 2918 return null; 2919 } 2920 } 2921 2922 @Override 2923 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2924 // reader 2925 synchronized (mPackages) { 2926 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2927 for (BasePermission p : mSettings.mPermissions.values()) { 2928 if (group == null) { 2929 if (p.perm == null || p.perm.info.group == null) { 2930 out.add(generatePermissionInfo(p, flags)); 2931 } 2932 } else { 2933 if (p.perm != null && group.equals(p.perm.info.group)) { 2934 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2935 } 2936 } 2937 } 2938 2939 if (out.size() > 0) { 2940 return out; 2941 } 2942 return mPermissionGroups.containsKey(group) ? out : null; 2943 } 2944 } 2945 2946 @Override 2947 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2948 // reader 2949 synchronized (mPackages) { 2950 return PackageParser.generatePermissionGroupInfo( 2951 mPermissionGroups.get(name), flags); 2952 } 2953 } 2954 2955 @Override 2956 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2957 // reader 2958 synchronized (mPackages) { 2959 final int N = mPermissionGroups.size(); 2960 ArrayList<PermissionGroupInfo> out 2961 = new ArrayList<PermissionGroupInfo>(N); 2962 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2963 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2964 } 2965 return out; 2966 } 2967 } 2968 2969 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2970 int userId) { 2971 if (!sUserManager.exists(userId)) return null; 2972 PackageSetting ps = mSettings.mPackages.get(packageName); 2973 if (ps != null) { 2974 if (ps.pkg == null) { 2975 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2976 flags, userId); 2977 if (pInfo != null) { 2978 return pInfo.applicationInfo; 2979 } 2980 return null; 2981 } 2982 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2983 ps.readUserState(userId), userId); 2984 } 2985 return null; 2986 } 2987 2988 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2989 int userId) { 2990 if (!sUserManager.exists(userId)) return null; 2991 PackageSetting ps = mSettings.mPackages.get(packageName); 2992 if (ps != null) { 2993 PackageParser.Package pkg = ps.pkg; 2994 if (pkg == null) { 2995 if ((flags & MATCH_UNINSTALLED_PACKAGES) == 0) { 2996 return null; 2997 } 2998 // Only data remains, so we aren't worried about code paths 2999 pkg = new PackageParser.Package(packageName); 3000 pkg.applicationInfo.packageName = packageName; 3001 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 3002 pkg.applicationInfo.privateFlags = ps.pkgPrivateFlags; 3003 pkg.applicationInfo.uid = ps.appId; 3004 pkg.applicationInfo.initForUser(userId); 3005 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 3006 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 3007 } 3008 return generatePackageInfo(pkg, flags, userId); 3009 } 3010 return null; 3011 } 3012 3013 @Override 3014 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 3015 if (!sUserManager.exists(userId)) return null; 3016 flags = updateFlagsForApplication(flags, userId, packageName); 3017 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info"); 3018 // writer 3019 synchronized (mPackages) { 3020 PackageParser.Package p = mPackages.get(packageName); 3021 if (DEBUG_PACKAGE_INFO) Log.v( 3022 TAG, "getApplicationInfo " + packageName 3023 + ": " + p); 3024 if (p != null) { 3025 PackageSetting ps = mSettings.mPackages.get(packageName); 3026 if (ps == null) return null; 3027 // Note: isEnabledLP() does not apply here - always return info 3028 return PackageParser.generateApplicationInfo( 3029 p, flags, ps.readUserState(userId), userId); 3030 } 3031 if ("android".equals(packageName)||"system".equals(packageName)) { 3032 return mAndroidApplication; 3033 } 3034 if ((flags & MATCH_UNINSTALLED_PACKAGES) != 0) { 3035 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 3036 } 3037 } 3038 return null; 3039 } 3040 3041 @Override 3042 public void freeStorageAndNotify(final String volumeUuid, final long freeStorageSize, 3043 final IPackageDataObserver observer) { 3044 mContext.enforceCallingOrSelfPermission( 3045 android.Manifest.permission.CLEAR_APP_CACHE, null); 3046 // Queue up an async operation since clearing cache may take a little while. 3047 mHandler.post(new Runnable() { 3048 public void run() { 3049 mHandler.removeCallbacks(this); 3050 boolean success = true; 3051 synchronized (mInstallLock) { 3052 try { 3053 mInstaller.freeCache(volumeUuid, freeStorageSize); 3054 } catch (InstallerException e) { 3055 Slog.w(TAG, "Couldn't clear application caches: " + e); 3056 success = false; 3057 } 3058 } 3059 if (observer != null) { 3060 try { 3061 observer.onRemoveCompleted(null, success); 3062 } catch (RemoteException e) { 3063 Slog.w(TAG, "RemoveException when invoking call back"); 3064 } 3065 } 3066 } 3067 }); 3068 } 3069 3070 @Override 3071 public void freeStorage(final String volumeUuid, final long freeStorageSize, 3072 final IntentSender pi) { 3073 mContext.enforceCallingOrSelfPermission( 3074 android.Manifest.permission.CLEAR_APP_CACHE, null); 3075 // Queue up an async operation since clearing cache may take a little while. 3076 mHandler.post(new Runnable() { 3077 public void run() { 3078 mHandler.removeCallbacks(this); 3079 boolean success = true; 3080 synchronized (mInstallLock) { 3081 try { 3082 mInstaller.freeCache(volumeUuid, freeStorageSize); 3083 } catch (InstallerException e) { 3084 Slog.w(TAG, "Couldn't clear application caches: " + e); 3085 success = false; 3086 } 3087 } 3088 if(pi != null) { 3089 try { 3090 // Callback via pending intent 3091 int code = success ? 1 : 0; 3092 pi.sendIntent(null, code, null, 3093 null, null); 3094 } catch (SendIntentException e1) { 3095 Slog.i(TAG, "Failed to send pending intent"); 3096 } 3097 } 3098 } 3099 }); 3100 } 3101 3102 void freeStorage(String volumeUuid, long freeStorageSize) throws IOException { 3103 synchronized (mInstallLock) { 3104 try { 3105 mInstaller.freeCache(volumeUuid, freeStorageSize); 3106 } catch (InstallerException e) { 3107 throw new IOException("Failed to free enough space", e); 3108 } 3109 } 3110 } 3111 3112 /** 3113 * Return if the user key is currently unlocked. 3114 */ 3115 private boolean isUserKeyUnlocked(int userId) { 3116 if (StorageManager.isFileBasedEncryptionEnabled()) { 3117 final IMountService mount = IMountService.Stub 3118 .asInterface(ServiceManager.getService("mount")); 3119 if (mount == null) { 3120 Slog.w(TAG, "Early during boot, assuming locked"); 3121 return false; 3122 } 3123 final long token = Binder.clearCallingIdentity(); 3124 try { 3125 return mount.isUserKeyUnlocked(userId); 3126 } catch (RemoteException e) { 3127 throw e.rethrowAsRuntimeException(); 3128 } finally { 3129 Binder.restoreCallingIdentity(token); 3130 } 3131 } else { 3132 return true; 3133 } 3134 } 3135 3136 /** 3137 * Update given flags based on encryption status of current user. 3138 */ 3139 private int updateFlags(int flags, int userId) { 3140 if ((flags & (PackageManager.MATCH_ENCRYPTION_UNAWARE 3141 | PackageManager.MATCH_ENCRYPTION_AWARE)) != 0) { 3142 // Caller expressed an explicit opinion about what encryption 3143 // aware/unaware components they want to see, so fall through and 3144 // give them what they want 3145 } else { 3146 // Caller expressed no opinion, so match based on user state 3147 if (isUserKeyUnlocked(userId)) { 3148 flags |= PackageManager.MATCH_ENCRYPTION_AWARE_AND_UNAWARE; 3149 } else { 3150 flags |= PackageManager.MATCH_ENCRYPTION_AWARE; 3151 } 3152 } 3153 3154 // Safe mode means we should ignore any third-party apps 3155 if (mSafeMode) { 3156 flags |= PackageManager.MATCH_SYSTEM_ONLY; 3157 } 3158 3159 return flags; 3160 } 3161 3162 /** 3163 * Update given flags when being used to request {@link PackageInfo}. 3164 */ 3165 private int updateFlagsForPackage(int flags, int userId, Object cookie) { 3166 boolean triaged = true; 3167 if ((flags & (PackageManager.GET_ACTIVITIES | PackageManager.GET_RECEIVERS 3168 | PackageManager.GET_SERVICES | PackageManager.GET_PROVIDERS)) != 0) { 3169 // Caller is asking for component details, so they'd better be 3170 // asking for specific encryption matching behavior, or be triaged 3171 if ((flags & (PackageManager.MATCH_ENCRYPTION_UNAWARE 3172 | PackageManager.MATCH_ENCRYPTION_AWARE 3173 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3174 triaged = false; 3175 } 3176 } 3177 if ((flags & (PackageManager.MATCH_UNINSTALLED_PACKAGES 3178 | PackageManager.MATCH_SYSTEM_ONLY 3179 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3180 triaged = false; 3181 } 3182 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3183 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3184 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3185 } 3186 return updateFlags(flags, userId); 3187 } 3188 3189 /** 3190 * Update given flags when being used to request {@link ApplicationInfo}. 3191 */ 3192 private int updateFlagsForApplication(int flags, int userId, Object cookie) { 3193 return updateFlagsForPackage(flags, userId, cookie); 3194 } 3195 3196 /** 3197 * Update given flags when being used to request {@link ComponentInfo}. 3198 */ 3199 private int updateFlagsForComponent(int flags, int userId, Object cookie) { 3200 if (cookie instanceof Intent) { 3201 if ((((Intent) cookie).getFlags() & Intent.FLAG_DEBUG_TRIAGED_MISSING) != 0) { 3202 flags |= PackageManager.MATCH_DEBUG_TRIAGED_MISSING; 3203 } 3204 } 3205 3206 boolean triaged = true; 3207 // Caller is asking for component details, so they'd better be 3208 // asking for specific encryption matching behavior, or be triaged 3209 if ((flags & (PackageManager.MATCH_ENCRYPTION_UNAWARE 3210 | PackageManager.MATCH_ENCRYPTION_AWARE 3211 | PackageManager.MATCH_DEBUG_TRIAGED_MISSING)) == 0) { 3212 triaged = false; 3213 } 3214 if (DEBUG_TRIAGED_MISSING && (Binder.getCallingUid() == Process.SYSTEM_UID) && !triaged) { 3215 Log.w(TAG, "Caller hasn't been triaged for missing apps; they asked about " + cookie 3216 + " with flags 0x" + Integer.toHexString(flags), new Throwable()); 3217 } 3218 return updateFlags(flags, userId); 3219 } 3220 3221 /** 3222 * Update given flags when being used to request {@link ResolveInfo}. 3223 */ 3224 private int updateFlagsForResolve(int flags, int userId, Object cookie) { 3225 return updateFlagsForComponent(flags, userId, cookie); 3226 } 3227 3228 @Override 3229 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 3230 if (!sUserManager.exists(userId)) return null; 3231 flags = updateFlagsForComponent(flags, userId, component); 3232 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info"); 3233 synchronized (mPackages) { 3234 PackageParser.Activity a = mActivities.mActivities.get(component); 3235 3236 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 3237 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3238 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3239 if (ps == null) return null; 3240 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3241 userId); 3242 } 3243 if (mResolveComponentName.equals(component)) { 3244 return PackageParser.generateActivityInfo(mResolveActivity, flags, 3245 new PackageUserState(), userId); 3246 } 3247 } 3248 return null; 3249 } 3250 3251 @Override 3252 public boolean activitySupportsIntent(ComponentName component, Intent intent, 3253 String resolvedType) { 3254 synchronized (mPackages) { 3255 if (component.equals(mResolveComponentName)) { 3256 // The resolver supports EVERYTHING! 3257 return true; 3258 } 3259 PackageParser.Activity a = mActivities.mActivities.get(component); 3260 if (a == null) { 3261 return false; 3262 } 3263 for (int i=0; i<a.intents.size(); i++) { 3264 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 3265 intent.getData(), intent.getCategories(), TAG) >= 0) { 3266 return true; 3267 } 3268 } 3269 return false; 3270 } 3271 } 3272 3273 @Override 3274 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 3275 if (!sUserManager.exists(userId)) return null; 3276 flags = updateFlagsForComponent(flags, userId, component); 3277 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info"); 3278 synchronized (mPackages) { 3279 PackageParser.Activity a = mReceivers.mActivities.get(component); 3280 if (DEBUG_PACKAGE_INFO) Log.v( 3281 TAG, "getReceiverInfo " + component + ": " + a); 3282 if (a != null && mSettings.isEnabledAndMatchLPr(a.info, flags, userId)) { 3283 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3284 if (ps == null) return null; 3285 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 3286 userId); 3287 } 3288 } 3289 return null; 3290 } 3291 3292 @Override 3293 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 3294 if (!sUserManager.exists(userId)) return null; 3295 flags = updateFlagsForComponent(flags, userId, component); 3296 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info"); 3297 synchronized (mPackages) { 3298 PackageParser.Service s = mServices.mServices.get(component); 3299 if (DEBUG_PACKAGE_INFO) Log.v( 3300 TAG, "getServiceInfo " + component + ": " + s); 3301 if (s != null && mSettings.isEnabledAndMatchLPr(s.info, flags, userId)) { 3302 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3303 if (ps == null) return null; 3304 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 3305 userId); 3306 } 3307 } 3308 return null; 3309 } 3310 3311 @Override 3312 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 3313 if (!sUserManager.exists(userId)) return null; 3314 flags = updateFlagsForComponent(flags, userId, component); 3315 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info"); 3316 synchronized (mPackages) { 3317 PackageParser.Provider p = mProviders.mProviders.get(component); 3318 if (DEBUG_PACKAGE_INFO) Log.v( 3319 TAG, "getProviderInfo " + component + ": " + p); 3320 if (p != null && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 3321 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 3322 if (ps == null) return null; 3323 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 3324 userId); 3325 } 3326 } 3327 return null; 3328 } 3329 3330 @Override 3331 public String[] getSystemSharedLibraryNames() { 3332 Set<String> libSet; 3333 synchronized (mPackages) { 3334 libSet = mSharedLibraries.keySet(); 3335 int size = libSet.size(); 3336 if (size > 0) { 3337 String[] libs = new String[size]; 3338 libSet.toArray(libs); 3339 return libs; 3340 } 3341 } 3342 return null; 3343 } 3344 3345 /** 3346 * @hide 3347 */ 3348 PackageParser.Package findSharedNonSystemLibrary(String libName) { 3349 synchronized (mPackages) { 3350 PackageManagerService.SharedLibraryEntry lib = mSharedLibraries.get(libName); 3351 if (lib != null && lib.apk != null) { 3352 return mPackages.get(lib.apk); 3353 } 3354 } 3355 return null; 3356 } 3357 3358 @Override 3359 public FeatureInfo[] getSystemAvailableFeatures() { 3360 Collection<FeatureInfo> featSet; 3361 synchronized (mPackages) { 3362 featSet = mAvailableFeatures.values(); 3363 int size = featSet.size(); 3364 if (size > 0) { 3365 FeatureInfo[] features = new FeatureInfo[size+1]; 3366 featSet.toArray(features); 3367 FeatureInfo fi = new FeatureInfo(); 3368 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 3369 FeatureInfo.GL_ES_VERSION_UNDEFINED); 3370 features[size] = fi; 3371 return features; 3372 } 3373 } 3374 return null; 3375 } 3376 3377 @Override 3378 public boolean hasSystemFeature(String name) { 3379 synchronized (mPackages) { 3380 return mAvailableFeatures.containsKey(name); 3381 } 3382 } 3383 3384 @Override 3385 public int checkPermission(String permName, String pkgName, int userId) { 3386 if (!sUserManager.exists(userId)) { 3387 return PackageManager.PERMISSION_DENIED; 3388 } 3389 3390 synchronized (mPackages) { 3391 final PackageParser.Package p = mPackages.get(pkgName); 3392 if (p != null && p.mExtras != null) { 3393 final PackageSetting ps = (PackageSetting) p.mExtras; 3394 final PermissionsState permissionsState = ps.getPermissionsState(); 3395 if (permissionsState.hasPermission(permName, userId)) { 3396 return PackageManager.PERMISSION_GRANTED; 3397 } 3398 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3399 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3400 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3401 return PackageManager.PERMISSION_GRANTED; 3402 } 3403 } 3404 } 3405 3406 return PackageManager.PERMISSION_DENIED; 3407 } 3408 3409 @Override 3410 public int checkUidPermission(String permName, int uid) { 3411 final int userId = UserHandle.getUserId(uid); 3412 3413 if (!sUserManager.exists(userId)) { 3414 return PackageManager.PERMISSION_DENIED; 3415 } 3416 3417 synchronized (mPackages) { 3418 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 3419 if (obj != null) { 3420 final SettingBase ps = (SettingBase) obj; 3421 final PermissionsState permissionsState = ps.getPermissionsState(); 3422 if (permissionsState.hasPermission(permName, userId)) { 3423 return PackageManager.PERMISSION_GRANTED; 3424 } 3425 // Special case: ACCESS_FINE_LOCATION permission includes ACCESS_COARSE_LOCATION 3426 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && permissionsState 3427 .hasPermission(Manifest.permission.ACCESS_FINE_LOCATION, userId)) { 3428 return PackageManager.PERMISSION_GRANTED; 3429 } 3430 } else { 3431 ArraySet<String> perms = mSystemPermissions.get(uid); 3432 if (perms != null) { 3433 if (perms.contains(permName)) { 3434 return PackageManager.PERMISSION_GRANTED; 3435 } 3436 if (Manifest.permission.ACCESS_COARSE_LOCATION.equals(permName) && perms 3437 .contains(Manifest.permission.ACCESS_FINE_LOCATION)) { 3438 return PackageManager.PERMISSION_GRANTED; 3439 } 3440 } 3441 } 3442 } 3443 3444 return PackageManager.PERMISSION_DENIED; 3445 } 3446 3447 @Override 3448 public boolean isPermissionRevokedByPolicy(String permission, String packageName, int userId) { 3449 if (UserHandle.getCallingUserId() != userId) { 3450 mContext.enforceCallingPermission( 3451 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3452 "isPermissionRevokedByPolicy for user " + userId); 3453 } 3454 3455 if (checkPermission(permission, packageName, userId) 3456 == PackageManager.PERMISSION_GRANTED) { 3457 return false; 3458 } 3459 3460 final long identity = Binder.clearCallingIdentity(); 3461 try { 3462 final int flags = getPermissionFlags(permission, packageName, userId); 3463 return (flags & PackageManager.FLAG_PERMISSION_POLICY_FIXED) != 0; 3464 } finally { 3465 Binder.restoreCallingIdentity(identity); 3466 } 3467 } 3468 3469 @Override 3470 public String getPermissionControllerPackageName() { 3471 synchronized (mPackages) { 3472 return mRequiredInstallerPackage; 3473 } 3474 } 3475 3476 /** 3477 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 3478 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 3479 * @param checkShell TODO(yamasani): 3480 * @param message the message to log on security exception 3481 */ 3482 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 3483 boolean checkShell, String message) { 3484 if (userId < 0) { 3485 throw new IllegalArgumentException("Invalid userId " + userId); 3486 } 3487 if (checkShell) { 3488 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 3489 } 3490 if (userId == UserHandle.getUserId(callingUid)) return; 3491 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3492 if (requireFullPermission) { 3493 mContext.enforceCallingOrSelfPermission( 3494 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3495 } else { 3496 try { 3497 mContext.enforceCallingOrSelfPermission( 3498 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 3499 } catch (SecurityException se) { 3500 mContext.enforceCallingOrSelfPermission( 3501 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 3502 } 3503 } 3504 } 3505 } 3506 3507 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 3508 if (callingUid == Process.SHELL_UID) { 3509 if (userHandle >= 0 3510 && sUserManager.hasUserRestriction(restriction, userHandle)) { 3511 throw new SecurityException("Shell does not have permission to access user " 3512 + userHandle); 3513 } else if (userHandle < 0) { 3514 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 3515 + Debug.getCallers(3)); 3516 } 3517 } 3518 } 3519 3520 private BasePermission findPermissionTreeLP(String permName) { 3521 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 3522 if (permName.startsWith(bp.name) && 3523 permName.length() > bp.name.length() && 3524 permName.charAt(bp.name.length()) == '.') { 3525 return bp; 3526 } 3527 } 3528 return null; 3529 } 3530 3531 private BasePermission checkPermissionTreeLP(String permName) { 3532 if (permName != null) { 3533 BasePermission bp = findPermissionTreeLP(permName); 3534 if (bp != null) { 3535 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 3536 return bp; 3537 } 3538 throw new SecurityException("Calling uid " 3539 + Binder.getCallingUid() 3540 + " is not allowed to add to permission tree " 3541 + bp.name + " owned by uid " + bp.uid); 3542 } 3543 } 3544 throw new SecurityException("No permission tree found for " + permName); 3545 } 3546 3547 static boolean compareStrings(CharSequence s1, CharSequence s2) { 3548 if (s1 == null) { 3549 return s2 == null; 3550 } 3551 if (s2 == null) { 3552 return false; 3553 } 3554 if (s1.getClass() != s2.getClass()) { 3555 return false; 3556 } 3557 return s1.equals(s2); 3558 } 3559 3560 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 3561 if (pi1.icon != pi2.icon) return false; 3562 if (pi1.logo != pi2.logo) return false; 3563 if (pi1.protectionLevel != pi2.protectionLevel) return false; 3564 if (!compareStrings(pi1.name, pi2.name)) return false; 3565 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 3566 // We'll take care of setting this one. 3567 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 3568 // These are not currently stored in settings. 3569 //if (!compareStrings(pi1.group, pi2.group)) return false; 3570 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 3571 //if (pi1.labelRes != pi2.labelRes) return false; 3572 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 3573 return true; 3574 } 3575 3576 int permissionInfoFootprint(PermissionInfo info) { 3577 int size = info.name.length(); 3578 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 3579 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 3580 return size; 3581 } 3582 3583 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 3584 int size = 0; 3585 for (BasePermission perm : mSettings.mPermissions.values()) { 3586 if (perm.uid == tree.uid) { 3587 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 3588 } 3589 } 3590 return size; 3591 } 3592 3593 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 3594 // We calculate the max size of permissions defined by this uid and throw 3595 // if that plus the size of 'info' would exceed our stated maximum. 3596 if (tree.uid != Process.SYSTEM_UID) { 3597 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 3598 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 3599 throw new SecurityException("Permission tree size cap exceeded"); 3600 } 3601 } 3602 } 3603 3604 boolean addPermissionLocked(PermissionInfo info, boolean async) { 3605 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 3606 throw new SecurityException("Label must be specified in permission"); 3607 } 3608 BasePermission tree = checkPermissionTreeLP(info.name); 3609 BasePermission bp = mSettings.mPermissions.get(info.name); 3610 boolean added = bp == null; 3611 boolean changed = true; 3612 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 3613 if (added) { 3614 enforcePermissionCapLocked(info, tree); 3615 bp = new BasePermission(info.name, tree.sourcePackage, 3616 BasePermission.TYPE_DYNAMIC); 3617 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 3618 throw new SecurityException( 3619 "Not allowed to modify non-dynamic permission " 3620 + info.name); 3621 } else { 3622 if (bp.protectionLevel == fixedLevel 3623 && bp.perm.owner.equals(tree.perm.owner) 3624 && bp.uid == tree.uid 3625 && comparePermissionInfos(bp.perm.info, info)) { 3626 changed = false; 3627 } 3628 } 3629 bp.protectionLevel = fixedLevel; 3630 info = new PermissionInfo(info); 3631 info.protectionLevel = fixedLevel; 3632 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 3633 bp.perm.info.packageName = tree.perm.info.packageName; 3634 bp.uid = tree.uid; 3635 if (added) { 3636 mSettings.mPermissions.put(info.name, bp); 3637 } 3638 if (changed) { 3639 if (!async) { 3640 mSettings.writeLPr(); 3641 } else { 3642 scheduleWriteSettingsLocked(); 3643 } 3644 } 3645 return added; 3646 } 3647 3648 @Override 3649 public boolean addPermission(PermissionInfo info) { 3650 synchronized (mPackages) { 3651 return addPermissionLocked(info, false); 3652 } 3653 } 3654 3655 @Override 3656 public boolean addPermissionAsync(PermissionInfo info) { 3657 synchronized (mPackages) { 3658 return addPermissionLocked(info, true); 3659 } 3660 } 3661 3662 @Override 3663 public void removePermission(String name) { 3664 synchronized (mPackages) { 3665 checkPermissionTreeLP(name); 3666 BasePermission bp = mSettings.mPermissions.get(name); 3667 if (bp != null) { 3668 if (bp.type != BasePermission.TYPE_DYNAMIC) { 3669 throw new SecurityException( 3670 "Not allowed to modify non-dynamic permission " 3671 + name); 3672 } 3673 mSettings.mPermissions.remove(name); 3674 mSettings.writeLPr(); 3675 } 3676 } 3677 } 3678 3679 private static void enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(PackageParser.Package pkg, 3680 BasePermission bp) { 3681 int index = pkg.requestedPermissions.indexOf(bp.name); 3682 if (index == -1) { 3683 throw new SecurityException("Package " + pkg.packageName 3684 + " has not requested permission " + bp.name); 3685 } 3686 if (!bp.isRuntime() && !bp.isDevelopment()) { 3687 throw new SecurityException("Permission " + bp.name 3688 + " is not a changeable permission type"); 3689 } 3690 } 3691 3692 @Override 3693 public void grantRuntimePermission(String packageName, String name, final int userId) { 3694 if (!sUserManager.exists(userId)) { 3695 Log.e(TAG, "No such user:" + userId); 3696 return; 3697 } 3698 3699 mContext.enforceCallingOrSelfPermission( 3700 android.Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 3701 "grantRuntimePermission"); 3702 3703 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3704 "grantRuntimePermission"); 3705 3706 final int uid; 3707 final SettingBase sb; 3708 3709 synchronized (mPackages) { 3710 final PackageParser.Package pkg = mPackages.get(packageName); 3711 if (pkg == null) { 3712 throw new IllegalArgumentException("Unknown package: " + packageName); 3713 } 3714 3715 final BasePermission bp = mSettings.mPermissions.get(name); 3716 if (bp == null) { 3717 throw new IllegalArgumentException("Unknown permission: " + name); 3718 } 3719 3720 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3721 3722 // If a permission review is required for legacy apps we represent 3723 // their permissions as always granted runtime ones since we need 3724 // to keep the review required permission flag per user while an 3725 // install permission's state is shared across all users. 3726 if (Build.PERMISSIONS_REVIEW_REQUIRED 3727 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3728 && bp.isRuntime()) { 3729 return; 3730 } 3731 3732 uid = UserHandle.getUid(userId, pkg.applicationInfo.uid); 3733 sb = (SettingBase) pkg.mExtras; 3734 if (sb == null) { 3735 throw new IllegalArgumentException("Unknown package: " + packageName); 3736 } 3737 3738 final PermissionsState permissionsState = sb.getPermissionsState(); 3739 3740 final int flags = permissionsState.getPermissionFlags(name, userId); 3741 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3742 throw new SecurityException("Cannot grant system fixed permission " 3743 + name + " for package " + packageName); 3744 } 3745 3746 if (bp.isDevelopment()) { 3747 // Development permissions must be handled specially, since they are not 3748 // normal runtime permissions. For now they apply to all users. 3749 if (permissionsState.grantInstallPermission(bp) != 3750 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3751 scheduleWriteSettingsLocked(); 3752 } 3753 return; 3754 } 3755 3756 if (pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 3757 Slog.w(TAG, "Cannot grant runtime permission to a legacy app"); 3758 return; 3759 } 3760 3761 final int result = permissionsState.grantRuntimePermission(bp, userId); 3762 switch (result) { 3763 case PermissionsState.PERMISSION_OPERATION_FAILURE: { 3764 return; 3765 } 3766 3767 case PermissionsState.PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 3768 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3769 mHandler.post(new Runnable() { 3770 @Override 3771 public void run() { 3772 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 3773 } 3774 }); 3775 } 3776 break; 3777 } 3778 3779 mOnPermissionChangeListeners.onPermissionsChanged(uid); 3780 3781 // Not critical if that is lost - app has to request again. 3782 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3783 } 3784 3785 // Only need to do this if user is initialized. Otherwise it's a new user 3786 // and there are no processes running as the user yet and there's no need 3787 // to make an expensive call to remount processes for the changed permissions. 3788 if (READ_EXTERNAL_STORAGE.equals(name) 3789 || WRITE_EXTERNAL_STORAGE.equals(name)) { 3790 final long token = Binder.clearCallingIdentity(); 3791 try { 3792 if (sUserManager.isInitialized(userId)) { 3793 MountServiceInternal mountServiceInternal = LocalServices.getService( 3794 MountServiceInternal.class); 3795 mountServiceInternal.onExternalStoragePolicyChanged(uid, packageName); 3796 } 3797 } finally { 3798 Binder.restoreCallingIdentity(token); 3799 } 3800 } 3801 } 3802 3803 @Override 3804 public void revokeRuntimePermission(String packageName, String name, int userId) { 3805 if (!sUserManager.exists(userId)) { 3806 Log.e(TAG, "No such user:" + userId); 3807 return; 3808 } 3809 3810 mContext.enforceCallingOrSelfPermission( 3811 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3812 "revokeRuntimePermission"); 3813 3814 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3815 "revokeRuntimePermission"); 3816 3817 final int appId; 3818 3819 synchronized (mPackages) { 3820 final PackageParser.Package pkg = mPackages.get(packageName); 3821 if (pkg == null) { 3822 throw new IllegalArgumentException("Unknown package: " + packageName); 3823 } 3824 3825 final BasePermission bp = mSettings.mPermissions.get(name); 3826 if (bp == null) { 3827 throw new IllegalArgumentException("Unknown permission: " + name); 3828 } 3829 3830 enforceDeclaredAsUsedAndRuntimeOrDevelopmentPermission(pkg, bp); 3831 3832 // If a permission review is required for legacy apps we represent 3833 // their permissions as always granted runtime ones since we need 3834 // to keep the review required permission flag per user while an 3835 // install permission's state is shared across all users. 3836 if (Build.PERMISSIONS_REVIEW_REQUIRED 3837 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M 3838 && bp.isRuntime()) { 3839 return; 3840 } 3841 3842 SettingBase sb = (SettingBase) pkg.mExtras; 3843 if (sb == null) { 3844 throw new IllegalArgumentException("Unknown package: " + packageName); 3845 } 3846 3847 final PermissionsState permissionsState = sb.getPermissionsState(); 3848 3849 final int flags = permissionsState.getPermissionFlags(name, userId); 3850 if ((flags & PackageManager.FLAG_PERMISSION_SYSTEM_FIXED) != 0) { 3851 throw new SecurityException("Cannot revoke system fixed permission " 3852 + name + " for package " + packageName); 3853 } 3854 3855 if (bp.isDevelopment()) { 3856 // Development permissions must be handled specially, since they are not 3857 // normal runtime permissions. For now they apply to all users. 3858 if (permissionsState.revokeInstallPermission(bp) != 3859 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3860 scheduleWriteSettingsLocked(); 3861 } 3862 return; 3863 } 3864 3865 if (permissionsState.revokeRuntimePermission(bp, userId) == 3866 PermissionsState.PERMISSION_OPERATION_FAILURE) { 3867 return; 3868 } 3869 3870 mOnPermissionChangeListeners.onPermissionsChanged(pkg.applicationInfo.uid); 3871 3872 // Critical, after this call app should never have the permission. 3873 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 3874 3875 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 3876 } 3877 3878 killUid(appId, userId, KILL_APP_REASON_PERMISSIONS_REVOKED); 3879 } 3880 3881 @Override 3882 public void resetRuntimePermissions() { 3883 mContext.enforceCallingOrSelfPermission( 3884 android.Manifest.permission.REVOKE_RUNTIME_PERMISSIONS, 3885 "revokeRuntimePermission"); 3886 3887 int callingUid = Binder.getCallingUid(); 3888 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 3889 mContext.enforceCallingOrSelfPermission( 3890 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 3891 "resetRuntimePermissions"); 3892 } 3893 3894 synchronized (mPackages) { 3895 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL); 3896 for (int userId : UserManagerService.getInstance().getUserIds()) { 3897 final int packageCount = mPackages.size(); 3898 for (int i = 0; i < packageCount; i++) { 3899 PackageParser.Package pkg = mPackages.valueAt(i); 3900 if (!(pkg.mExtras instanceof PackageSetting)) { 3901 continue; 3902 } 3903 PackageSetting ps = (PackageSetting) pkg.mExtras; 3904 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 3905 } 3906 } 3907 } 3908 } 3909 3910 @Override 3911 public int getPermissionFlags(String name, String packageName, int userId) { 3912 if (!sUserManager.exists(userId)) { 3913 return 0; 3914 } 3915 3916 enforceGrantRevokeRuntimePermissionPermissions("getPermissionFlags"); 3917 3918 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3919 "getPermissionFlags"); 3920 3921 synchronized (mPackages) { 3922 final PackageParser.Package pkg = mPackages.get(packageName); 3923 if (pkg == null) { 3924 throw new IllegalArgumentException("Unknown package: " + packageName); 3925 } 3926 3927 final BasePermission bp = mSettings.mPermissions.get(name); 3928 if (bp == null) { 3929 throw new IllegalArgumentException("Unknown permission: " + name); 3930 } 3931 3932 SettingBase sb = (SettingBase) pkg.mExtras; 3933 if (sb == null) { 3934 throw new IllegalArgumentException("Unknown package: " + packageName); 3935 } 3936 3937 PermissionsState permissionsState = sb.getPermissionsState(); 3938 return permissionsState.getPermissionFlags(name, userId); 3939 } 3940 } 3941 3942 @Override 3943 public void updatePermissionFlags(String name, String packageName, int flagMask, 3944 int flagValues, int userId) { 3945 if (!sUserManager.exists(userId)) { 3946 return; 3947 } 3948 3949 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlags"); 3950 3951 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 3952 "updatePermissionFlags"); 3953 3954 // Only the system can change these flags and nothing else. 3955 if (getCallingUid() != Process.SYSTEM_UID) { 3956 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3957 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 3958 flagMask &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 3959 flagValues &= ~PackageManager.FLAG_PERMISSION_GRANTED_BY_DEFAULT; 3960 flagValues &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 3961 } 3962 3963 synchronized (mPackages) { 3964 final PackageParser.Package pkg = mPackages.get(packageName); 3965 if (pkg == null) { 3966 throw new IllegalArgumentException("Unknown package: " + packageName); 3967 } 3968 3969 final BasePermission bp = mSettings.mPermissions.get(name); 3970 if (bp == null) { 3971 throw new IllegalArgumentException("Unknown permission: " + name); 3972 } 3973 3974 SettingBase sb = (SettingBase) pkg.mExtras; 3975 if (sb == null) { 3976 throw new IllegalArgumentException("Unknown package: " + packageName); 3977 } 3978 3979 PermissionsState permissionsState = sb.getPermissionsState(); 3980 3981 boolean hadState = permissionsState.getRuntimePermissionState(name, userId) != null; 3982 3983 if (permissionsState.updatePermissionFlags(bp, userId, flagMask, flagValues)) { 3984 // Install and runtime permissions are stored in different places, 3985 // so figure out what permission changed and persist the change. 3986 if (permissionsState.getInstallPermissionState(name) != null) { 3987 scheduleWriteSettingsLocked(); 3988 } else if (permissionsState.getRuntimePermissionState(name, userId) != null 3989 || hadState) { 3990 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 3991 } 3992 } 3993 } 3994 } 3995 3996 /** 3997 * Update the permission flags for all packages and runtime permissions of a user in order 3998 * to allow device or profile owner to remove POLICY_FIXED. 3999 */ 4000 @Override 4001 public void updatePermissionFlagsForAllApps(int flagMask, int flagValues, int userId) { 4002 if (!sUserManager.exists(userId)) { 4003 return; 4004 } 4005 4006 enforceGrantRevokeRuntimePermissionPermissions("updatePermissionFlagsForAllApps"); 4007 4008 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 4009 "updatePermissionFlagsForAllApps"); 4010 4011 // Only the system can change system fixed flags. 4012 if (getCallingUid() != Process.SYSTEM_UID) { 4013 flagMask &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4014 flagValues &= ~PackageManager.FLAG_PERMISSION_SYSTEM_FIXED; 4015 } 4016 4017 synchronized (mPackages) { 4018 boolean changed = false; 4019 final int packageCount = mPackages.size(); 4020 for (int pkgIndex = 0; pkgIndex < packageCount; pkgIndex++) { 4021 final PackageParser.Package pkg = mPackages.valueAt(pkgIndex); 4022 SettingBase sb = (SettingBase) pkg.mExtras; 4023 if (sb == null) { 4024 continue; 4025 } 4026 PermissionsState permissionsState = sb.getPermissionsState(); 4027 changed |= permissionsState.updatePermissionFlagsForAllPermissions( 4028 userId, flagMask, flagValues); 4029 } 4030 if (changed) { 4031 mSettings.writeRuntimePermissionsForUserLPr(userId, false); 4032 } 4033 } 4034 } 4035 4036 private void enforceGrantRevokeRuntimePermissionPermissions(String message) { 4037 if (mContext.checkCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS) 4038 != PackageManager.PERMISSION_GRANTED 4039 && mContext.checkCallingOrSelfPermission(Manifest.permission.REVOKE_RUNTIME_PERMISSIONS) 4040 != PackageManager.PERMISSION_GRANTED) { 4041 throw new SecurityException(message + " requires " 4042 + Manifest.permission.GRANT_RUNTIME_PERMISSIONS + " or " 4043 + Manifest.permission.REVOKE_RUNTIME_PERMISSIONS); 4044 } 4045 } 4046 4047 @Override 4048 public boolean shouldShowRequestPermissionRationale(String permissionName, 4049 String packageName, int userId) { 4050 if (UserHandle.getCallingUserId() != userId) { 4051 mContext.enforceCallingPermission( 4052 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 4053 "canShowRequestPermissionRationale for user " + userId); 4054 } 4055 4056 final int uid = getPackageUid(packageName, MATCH_DEBUG_TRIAGED_MISSING, userId); 4057 if (UserHandle.getAppId(getCallingUid()) != UserHandle.getAppId(uid)) { 4058 return false; 4059 } 4060 4061 if (checkPermission(permissionName, packageName, userId) 4062 == PackageManager.PERMISSION_GRANTED) { 4063 return false; 4064 } 4065 4066 final int flags; 4067 4068 final long identity = Binder.clearCallingIdentity(); 4069 try { 4070 flags = getPermissionFlags(permissionName, 4071 packageName, userId); 4072 } finally { 4073 Binder.restoreCallingIdentity(identity); 4074 } 4075 4076 final int fixedFlags = PackageManager.FLAG_PERMISSION_SYSTEM_FIXED 4077 | PackageManager.FLAG_PERMISSION_POLICY_FIXED 4078 | PackageManager.FLAG_PERMISSION_USER_FIXED; 4079 4080 if ((flags & fixedFlags) != 0) { 4081 return false; 4082 } 4083 4084 return (flags & PackageManager.FLAG_PERMISSION_USER_SET) != 0; 4085 } 4086 4087 @Override 4088 public void addOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4089 mContext.enforceCallingOrSelfPermission( 4090 Manifest.permission.OBSERVE_GRANT_REVOKE_PERMISSIONS, 4091 "addOnPermissionsChangeListener"); 4092 4093 synchronized (mPackages) { 4094 mOnPermissionChangeListeners.addListenerLocked(listener); 4095 } 4096 } 4097 4098 @Override 4099 public void removeOnPermissionsChangeListener(IOnPermissionsChangeListener listener) { 4100 synchronized (mPackages) { 4101 mOnPermissionChangeListeners.removeListenerLocked(listener); 4102 } 4103 } 4104 4105 @Override 4106 public boolean isProtectedBroadcast(String actionName) { 4107 synchronized (mPackages) { 4108 if (mProtectedBroadcasts.contains(actionName)) { 4109 return true; 4110 } else if (actionName != null) { 4111 // TODO: remove these terrible hacks 4112 if (actionName.startsWith("android.net.netmon.lingerExpired") 4113 || actionName.startsWith("com.android.server.sip.SipWakeupTimer")) { 4114 return true; 4115 } 4116 } 4117 } 4118 return false; 4119 } 4120 4121 @Override 4122 public int checkSignatures(String pkg1, String pkg2) { 4123 synchronized (mPackages) { 4124 final PackageParser.Package p1 = mPackages.get(pkg1); 4125 final PackageParser.Package p2 = mPackages.get(pkg2); 4126 if (p1 == null || p1.mExtras == null 4127 || p2 == null || p2.mExtras == null) { 4128 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4129 } 4130 return compareSignatures(p1.mSignatures, p2.mSignatures); 4131 } 4132 } 4133 4134 @Override 4135 public int checkUidSignatures(int uid1, int uid2) { 4136 // Map to base uids. 4137 uid1 = UserHandle.getAppId(uid1); 4138 uid2 = UserHandle.getAppId(uid2); 4139 // reader 4140 synchronized (mPackages) { 4141 Signature[] s1; 4142 Signature[] s2; 4143 Object obj = mSettings.getUserIdLPr(uid1); 4144 if (obj != null) { 4145 if (obj instanceof SharedUserSetting) { 4146 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 4147 } else if (obj instanceof PackageSetting) { 4148 s1 = ((PackageSetting)obj).signatures.mSignatures; 4149 } else { 4150 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4151 } 4152 } else { 4153 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4154 } 4155 obj = mSettings.getUserIdLPr(uid2); 4156 if (obj != null) { 4157 if (obj instanceof SharedUserSetting) { 4158 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 4159 } else if (obj instanceof PackageSetting) { 4160 s2 = ((PackageSetting)obj).signatures.mSignatures; 4161 } else { 4162 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4163 } 4164 } else { 4165 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 4166 } 4167 return compareSignatures(s1, s2); 4168 } 4169 } 4170 4171 private void killUid(int appId, int userId, String reason) { 4172 final long identity = Binder.clearCallingIdentity(); 4173 try { 4174 IActivityManager am = ActivityManagerNative.getDefault(); 4175 if (am != null) { 4176 try { 4177 am.killUid(appId, userId, reason); 4178 } catch (RemoteException e) { 4179 /* ignore - same process */ 4180 } 4181 } 4182 } finally { 4183 Binder.restoreCallingIdentity(identity); 4184 } 4185 } 4186 4187 /** 4188 * Compares two sets of signatures. Returns: 4189 * <br /> 4190 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 4191 * <br /> 4192 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 4193 * <br /> 4194 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 4195 * <br /> 4196 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 4197 * <br /> 4198 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 4199 */ 4200 static int compareSignatures(Signature[] s1, Signature[] s2) { 4201 if (s1 == null) { 4202 return s2 == null 4203 ? PackageManager.SIGNATURE_NEITHER_SIGNED 4204 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 4205 } 4206 4207 if (s2 == null) { 4208 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 4209 } 4210 4211 if (s1.length != s2.length) { 4212 return PackageManager.SIGNATURE_NO_MATCH; 4213 } 4214 4215 // Since both signature sets are of size 1, we can compare without HashSets. 4216 if (s1.length == 1) { 4217 return s1[0].equals(s2[0]) ? 4218 PackageManager.SIGNATURE_MATCH : 4219 PackageManager.SIGNATURE_NO_MATCH; 4220 } 4221 4222 ArraySet<Signature> set1 = new ArraySet<Signature>(); 4223 for (Signature sig : s1) { 4224 set1.add(sig); 4225 } 4226 ArraySet<Signature> set2 = new ArraySet<Signature>(); 4227 for (Signature sig : s2) { 4228 set2.add(sig); 4229 } 4230 // Make sure s2 contains all signatures in s1. 4231 if (set1.equals(set2)) { 4232 return PackageManager.SIGNATURE_MATCH; 4233 } 4234 return PackageManager.SIGNATURE_NO_MATCH; 4235 } 4236 4237 /** 4238 * If the database version for this type of package (internal storage or 4239 * external storage) is less than the version where package signatures 4240 * were updated, return true. 4241 */ 4242 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4243 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4244 return ver.databaseVersion < DatabaseVersion.SIGNATURE_END_ENTITY; 4245 } 4246 4247 /** 4248 * Used for backward compatibility to make sure any packages with 4249 * certificate chains get upgraded to the new style. {@code existingSigs} 4250 * will be in the old format (since they were stored on disk from before the 4251 * system upgrade) and {@code scannedSigs} will be in the newer format. 4252 */ 4253 private int compareSignaturesCompat(PackageSignatures existingSigs, 4254 PackageParser.Package scannedPkg) { 4255 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 4256 return PackageManager.SIGNATURE_NO_MATCH; 4257 } 4258 4259 ArraySet<Signature> existingSet = new ArraySet<Signature>(); 4260 for (Signature sig : existingSigs.mSignatures) { 4261 existingSet.add(sig); 4262 } 4263 ArraySet<Signature> scannedCompatSet = new ArraySet<Signature>(); 4264 for (Signature sig : scannedPkg.mSignatures) { 4265 try { 4266 Signature[] chainSignatures = sig.getChainSignatures(); 4267 for (Signature chainSig : chainSignatures) { 4268 scannedCompatSet.add(chainSig); 4269 } 4270 } catch (CertificateEncodingException e) { 4271 scannedCompatSet.add(sig); 4272 } 4273 } 4274 /* 4275 * Make sure the expanded scanned set contains all signatures in the 4276 * existing one. 4277 */ 4278 if (scannedCompatSet.equals(existingSet)) { 4279 // Migrate the old signatures to the new scheme. 4280 existingSigs.assignSignatures(scannedPkg.mSignatures); 4281 // The new KeySets will be re-added later in the scanning process. 4282 synchronized (mPackages) { 4283 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 4284 } 4285 return PackageManager.SIGNATURE_MATCH; 4286 } 4287 return PackageManager.SIGNATURE_NO_MATCH; 4288 } 4289 4290 private boolean isRecoverSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 4291 final VersionInfo ver = getSettingsVersionForPackage(scannedPkg); 4292 return ver.databaseVersion < DatabaseVersion.SIGNATURE_MALFORMED_RECOVER; 4293 } 4294 4295 private int compareSignaturesRecover(PackageSignatures existingSigs, 4296 PackageParser.Package scannedPkg) { 4297 if (!isRecoverSignatureUpdateNeeded(scannedPkg)) { 4298 return PackageManager.SIGNATURE_NO_MATCH; 4299 } 4300 4301 String msg = null; 4302 try { 4303 if (Signature.areEffectiveMatch(existingSigs.mSignatures, scannedPkg.mSignatures)) { 4304 logCriticalInfo(Log.INFO, "Recovered effectively matching certificates for " 4305 + scannedPkg.packageName); 4306 return PackageManager.SIGNATURE_MATCH; 4307 } 4308 } catch (CertificateException e) { 4309 msg = e.getMessage(); 4310 } 4311 4312 logCriticalInfo(Log.INFO, 4313 "Failed to recover certificates for " + scannedPkg.packageName + ": " + msg); 4314 return PackageManager.SIGNATURE_NO_MATCH; 4315 } 4316 4317 @Override 4318 public String[] getPackagesForUid(int uid) { 4319 uid = UserHandle.getAppId(uid); 4320 // reader 4321 synchronized (mPackages) { 4322 Object obj = mSettings.getUserIdLPr(uid); 4323 if (obj instanceof SharedUserSetting) { 4324 final SharedUserSetting sus = (SharedUserSetting) obj; 4325 final int N = sus.packages.size(); 4326 final String[] res = new String[N]; 4327 final Iterator<PackageSetting> it = sus.packages.iterator(); 4328 int i = 0; 4329 while (it.hasNext()) { 4330 res[i++] = it.next().name; 4331 } 4332 return res; 4333 } else if (obj instanceof PackageSetting) { 4334 final PackageSetting ps = (PackageSetting) obj; 4335 return new String[] { ps.name }; 4336 } 4337 } 4338 return null; 4339 } 4340 4341 @Override 4342 public String getNameForUid(int uid) { 4343 // reader 4344 synchronized (mPackages) { 4345 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4346 if (obj instanceof SharedUserSetting) { 4347 final SharedUserSetting sus = (SharedUserSetting) obj; 4348 return sus.name + ":" + sus.userId; 4349 } else if (obj instanceof PackageSetting) { 4350 final PackageSetting ps = (PackageSetting) obj; 4351 return ps.name; 4352 } 4353 } 4354 return null; 4355 } 4356 4357 @Override 4358 public int getUidForSharedUser(String sharedUserName) { 4359 if(sharedUserName == null) { 4360 return -1; 4361 } 4362 // reader 4363 synchronized (mPackages) { 4364 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, 0, false); 4365 if (suid == null) { 4366 return -1; 4367 } 4368 return suid.userId; 4369 } 4370 } 4371 4372 @Override 4373 public int getFlagsForUid(int uid) { 4374 synchronized (mPackages) { 4375 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4376 if (obj instanceof SharedUserSetting) { 4377 final SharedUserSetting sus = (SharedUserSetting) obj; 4378 return sus.pkgFlags; 4379 } else if (obj instanceof PackageSetting) { 4380 final PackageSetting ps = (PackageSetting) obj; 4381 return ps.pkgFlags; 4382 } 4383 } 4384 return 0; 4385 } 4386 4387 @Override 4388 public int getPrivateFlagsForUid(int uid) { 4389 synchronized (mPackages) { 4390 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 4391 if (obj instanceof SharedUserSetting) { 4392 final SharedUserSetting sus = (SharedUserSetting) obj; 4393 return sus.pkgPrivateFlags; 4394 } else if (obj instanceof PackageSetting) { 4395 final PackageSetting ps = (PackageSetting) obj; 4396 return ps.pkgPrivateFlags; 4397 } 4398 } 4399 return 0; 4400 } 4401 4402 @Override 4403 public boolean isUidPrivileged(int uid) { 4404 uid = UserHandle.getAppId(uid); 4405 // reader 4406 synchronized (mPackages) { 4407 Object obj = mSettings.getUserIdLPr(uid); 4408 if (obj instanceof SharedUserSetting) { 4409 final SharedUserSetting sus = (SharedUserSetting) obj; 4410 final Iterator<PackageSetting> it = sus.packages.iterator(); 4411 while (it.hasNext()) { 4412 if (it.next().isPrivileged()) { 4413 return true; 4414 } 4415 } 4416 } else if (obj instanceof PackageSetting) { 4417 final PackageSetting ps = (PackageSetting) obj; 4418 return ps.isPrivileged(); 4419 } 4420 } 4421 return false; 4422 } 4423 4424 @Override 4425 public String[] getAppOpPermissionPackages(String permissionName) { 4426 synchronized (mPackages) { 4427 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 4428 if (pkgs == null) { 4429 return null; 4430 } 4431 return pkgs.toArray(new String[pkgs.size()]); 4432 } 4433 } 4434 4435 @Override 4436 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 4437 int flags, int userId) { 4438 if (!sUserManager.exists(userId)) return null; 4439 flags = updateFlagsForResolve(flags, userId, intent); 4440 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent"); 4441 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4442 final ResolveInfo bestChoice = 4443 chooseBestActivity(intent, resolvedType, flags, query, userId); 4444 4445 if (isEphemeralAllowed(intent, query, userId)) { 4446 final EphemeralResolveInfo ai = 4447 getEphemeralResolveInfo(intent, resolvedType, userId); 4448 if (ai != null) { 4449 if (DEBUG_EPHEMERAL) { 4450 Slog.v(TAG, "Returning an EphemeralResolveInfo"); 4451 } 4452 bestChoice.ephemeralInstaller = mEphemeralInstallerInfo; 4453 bestChoice.ephemeralResolveInfo = ai; 4454 } 4455 } 4456 return bestChoice; 4457 } 4458 4459 @Override 4460 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 4461 IntentFilter filter, int match, ComponentName activity) { 4462 final int userId = UserHandle.getCallingUserId(); 4463 if (DEBUG_PREFERRED) { 4464 Log.v(TAG, "setLastChosenActivity intent=" + intent 4465 + " resolvedType=" + resolvedType 4466 + " flags=" + flags 4467 + " filter=" + filter 4468 + " match=" + match 4469 + " activity=" + activity); 4470 filter.dump(new PrintStreamPrinter(System.out), " "); 4471 } 4472 intent.setComponent(null); 4473 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4474 // Find any earlier preferred or last chosen entries and nuke them 4475 findPreferredActivity(intent, resolvedType, 4476 flags, query, 0, false, true, false, userId); 4477 // Add the new activity as the last chosen for this filter 4478 addPreferredActivityInternal(filter, match, null, activity, false, userId, 4479 "Setting last chosen"); 4480 } 4481 4482 @Override 4483 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 4484 final int userId = UserHandle.getCallingUserId(); 4485 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 4486 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 4487 return findPreferredActivity(intent, resolvedType, flags, query, 0, 4488 false, false, false, userId); 4489 } 4490 4491 4492 private boolean isEphemeralAllowed( 4493 Intent intent, List<ResolveInfo> resolvedActivites, int userId) { 4494 // Short circuit and return early if possible. 4495 if (DISABLE_EPHEMERAL_APPS) { 4496 return false; 4497 } 4498 final int callingUser = UserHandle.getCallingUserId(); 4499 if (callingUser != UserHandle.USER_SYSTEM) { 4500 return false; 4501 } 4502 if (mEphemeralResolverConnection == null) { 4503 return false; 4504 } 4505 if (intent.getComponent() != null) { 4506 return false; 4507 } 4508 if (intent.getPackage() != null) { 4509 return false; 4510 } 4511 final boolean isWebUri = hasWebURI(intent); 4512 if (!isWebUri) { 4513 return false; 4514 } 4515 // Deny ephemeral apps if the user chose _ALWAYS or _ALWAYS_ASK for intent resolution. 4516 synchronized (mPackages) { 4517 final int count = resolvedActivites.size(); 4518 for (int n = 0; n < count; n++) { 4519 ResolveInfo info = resolvedActivites.get(n); 4520 String packageName = info.activityInfo.packageName; 4521 PackageSetting ps = mSettings.mPackages.get(packageName); 4522 if (ps != null) { 4523 // Try to get the status from User settings first 4524 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 4525 int status = (int) (packedStatus >> 32); 4526 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS 4527 || status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 4528 if (DEBUG_EPHEMERAL) { 4529 Slog.v(TAG, "DENY ephemeral apps;" 4530 + " pkg: " + packageName + ", status: " + status); 4531 } 4532 return false; 4533 } 4534 } 4535 } 4536 } 4537 // We've exhausted all ways to deny ephemeral application; let the system look for them. 4538 return true; 4539 } 4540 4541 private EphemeralResolveInfo getEphemeralResolveInfo(Intent intent, String resolvedType, 4542 int userId) { 4543 MessageDigest digest = null; 4544 try { 4545 digest = MessageDigest.getInstance(EphemeralResolveInfo.SHA_ALGORITHM); 4546 } catch (NoSuchAlgorithmException e) { 4547 // If we can't create a digest, ignore ephemeral apps. 4548 return null; 4549 } 4550 4551 final byte[] hostBytes = intent.getData().getHost().getBytes(); 4552 final byte[] digestBytes = digest.digest(hostBytes); 4553 int shaPrefix = 4554 digestBytes[0] << 24 4555 | digestBytes[1] << 16 4556 | digestBytes[2] << 8 4557 | digestBytes[3] << 0; 4558 final List<EphemeralResolveInfo> ephemeralResolveInfoList = 4559 mEphemeralResolverConnection.getEphemeralResolveInfoList(shaPrefix); 4560 if (ephemeralResolveInfoList == null || ephemeralResolveInfoList.size() == 0) { 4561 // No hash prefix match; there are no ephemeral apps for this domain. 4562 return null; 4563 } 4564 for (int i = ephemeralResolveInfoList.size() - 1; i >= 0; --i) { 4565 EphemeralResolveInfo ephemeralApplication = ephemeralResolveInfoList.get(i); 4566 if (!Arrays.equals(digestBytes, ephemeralApplication.getDigestBytes())) { 4567 continue; 4568 } 4569 final List<IntentFilter> filters = ephemeralApplication.getFilters(); 4570 // No filters; this should never happen. 4571 if (filters.isEmpty()) { 4572 continue; 4573 } 4574 // We have a domain match; resolve the filters to see if anything matches. 4575 final EphemeralIntentResolver ephemeralResolver = new EphemeralIntentResolver(); 4576 for (int j = filters.size() - 1; j >= 0; --j) { 4577 final EphemeralResolveIntentInfo intentInfo = 4578 new EphemeralResolveIntentInfo(filters.get(j), ephemeralApplication); 4579 ephemeralResolver.addFilter(intentInfo); 4580 } 4581 List<EphemeralResolveInfo> matchedResolveInfoList = ephemeralResolver.queryIntent( 4582 intent, resolvedType, false /*defaultOnly*/, userId); 4583 if (!matchedResolveInfoList.isEmpty()) { 4584 return matchedResolveInfoList.get(0); 4585 } 4586 } 4587 // Hash or filter mis-match; no ephemeral apps for this domain. 4588 return null; 4589 } 4590 4591 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 4592 int flags, List<ResolveInfo> query, int userId) { 4593 if (query != null) { 4594 final int N = query.size(); 4595 if (N == 1) { 4596 return query.get(0); 4597 } else if (N > 1) { 4598 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 4599 // If there is more than one activity with the same priority, 4600 // then let the user decide between them. 4601 ResolveInfo r0 = query.get(0); 4602 ResolveInfo r1 = query.get(1); 4603 if (DEBUG_INTENT_MATCHING || debug) { 4604 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 4605 + r1.activityInfo.name + "=" + r1.priority); 4606 } 4607 // If the first activity has a higher priority, or a different 4608 // default, then it is always desirable to pick it. 4609 if (r0.priority != r1.priority 4610 || r0.preferredOrder != r1.preferredOrder 4611 || r0.isDefault != r1.isDefault) { 4612 return query.get(0); 4613 } 4614 // If we have saved a preference for a preferred activity for 4615 // this Intent, use that. 4616 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 4617 flags, query, r0.priority, true, false, debug, userId); 4618 if (ri != null) { 4619 return ri; 4620 } 4621 ri = new ResolveInfo(mResolveInfo); 4622 ri.activityInfo = new ActivityInfo(ri.activityInfo); 4623 ri.activityInfo.applicationInfo = new ApplicationInfo( 4624 ri.activityInfo.applicationInfo); 4625 if (userId != 0) { 4626 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 4627 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 4628 } 4629 // Make sure that the resolver is displayable in car mode 4630 if (ri.activityInfo.metaData == null) ri.activityInfo.metaData = new Bundle(); 4631 ri.activityInfo.metaData.putBoolean(Intent.METADATA_DOCK_HOME, true); 4632 return ri; 4633 } 4634 } 4635 return null; 4636 } 4637 4638 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 4639 int flags, List<ResolveInfo> query, boolean debug, int userId) { 4640 final int N = query.size(); 4641 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 4642 .get(userId); 4643 // Get the list of persistent preferred activities that handle the intent 4644 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 4645 List<PersistentPreferredActivity> pprefs = ppir != null 4646 ? ppir.queryIntent(intent, resolvedType, 4647 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4648 : null; 4649 if (pprefs != null && pprefs.size() > 0) { 4650 final int M = pprefs.size(); 4651 for (int i=0; i<M; i++) { 4652 final PersistentPreferredActivity ppa = pprefs.get(i); 4653 if (DEBUG_PREFERRED || debug) { 4654 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 4655 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 4656 + "\n component=" + ppa.mComponent); 4657 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4658 } 4659 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 4660 flags | MATCH_DISABLED_COMPONENTS, userId); 4661 if (DEBUG_PREFERRED || debug) { 4662 Slog.v(TAG, "Found persistent preferred activity:"); 4663 if (ai != null) { 4664 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4665 } else { 4666 Slog.v(TAG, " null"); 4667 } 4668 } 4669 if (ai == null) { 4670 // This previously registered persistent preferred activity 4671 // component is no longer known. Ignore it and do NOT remove it. 4672 continue; 4673 } 4674 for (int j=0; j<N; j++) { 4675 final ResolveInfo ri = query.get(j); 4676 if (!ri.activityInfo.applicationInfo.packageName 4677 .equals(ai.applicationInfo.packageName)) { 4678 continue; 4679 } 4680 if (!ri.activityInfo.name.equals(ai.name)) { 4681 continue; 4682 } 4683 // Found a persistent preference that can handle the intent. 4684 if (DEBUG_PREFERRED || debug) { 4685 Slog.v(TAG, "Returning persistent preferred activity: " + 4686 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4687 } 4688 return ri; 4689 } 4690 } 4691 } 4692 return null; 4693 } 4694 4695 // TODO: handle preferred activities missing while user has amnesia 4696 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 4697 List<ResolveInfo> query, int priority, boolean always, 4698 boolean removeMatches, boolean debug, int userId) { 4699 if (!sUserManager.exists(userId)) return null; 4700 flags = updateFlagsForResolve(flags, userId, intent); 4701 // writer 4702 synchronized (mPackages) { 4703 if (intent.getSelector() != null) { 4704 intent = intent.getSelector(); 4705 } 4706 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 4707 4708 // Try to find a matching persistent preferred activity. 4709 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 4710 debug, userId); 4711 4712 // If a persistent preferred activity matched, use it. 4713 if (pri != null) { 4714 return pri; 4715 } 4716 4717 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 4718 // Get the list of preferred activities that handle the intent 4719 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 4720 List<PreferredActivity> prefs = pir != null 4721 ? pir.queryIntent(intent, resolvedType, 4722 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 4723 : null; 4724 if (prefs != null && prefs.size() > 0) { 4725 boolean changed = false; 4726 try { 4727 // First figure out how good the original match set is. 4728 // We will only allow preferred activities that came 4729 // from the same match quality. 4730 int match = 0; 4731 4732 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 4733 4734 final int N = query.size(); 4735 for (int j=0; j<N; j++) { 4736 final ResolveInfo ri = query.get(j); 4737 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 4738 + ": 0x" + Integer.toHexString(match)); 4739 if (ri.match > match) { 4740 match = ri.match; 4741 } 4742 } 4743 4744 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 4745 + Integer.toHexString(match)); 4746 4747 match &= IntentFilter.MATCH_CATEGORY_MASK; 4748 final int M = prefs.size(); 4749 for (int i=0; i<M; i++) { 4750 final PreferredActivity pa = prefs.get(i); 4751 if (DEBUG_PREFERRED || debug) { 4752 Slog.v(TAG, "Checking PreferredActivity ds=" 4753 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 4754 + "\n component=" + pa.mPref.mComponent); 4755 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4756 } 4757 if (pa.mPref.mMatch != match) { 4758 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 4759 + Integer.toHexString(pa.mPref.mMatch)); 4760 continue; 4761 } 4762 // If it's not an "always" type preferred activity and that's what we're 4763 // looking for, skip it. 4764 if (always && !pa.mPref.mAlways) { 4765 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 4766 continue; 4767 } 4768 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 4769 flags | MATCH_DISABLED_COMPONENTS, userId); 4770 if (DEBUG_PREFERRED || debug) { 4771 Slog.v(TAG, "Found preferred activity:"); 4772 if (ai != null) { 4773 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 4774 } else { 4775 Slog.v(TAG, " null"); 4776 } 4777 } 4778 if (ai == null) { 4779 // This previously registered preferred activity 4780 // component is no longer known. Most likely an update 4781 // to the app was installed and in the new version this 4782 // component no longer exists. Clean it up by removing 4783 // it from the preferred activities list, and skip it. 4784 Slog.w(TAG, "Removing dangling preferred activity: " 4785 + pa.mPref.mComponent); 4786 pir.removeFilter(pa); 4787 changed = true; 4788 continue; 4789 } 4790 for (int j=0; j<N; j++) { 4791 final ResolveInfo ri = query.get(j); 4792 if (!ri.activityInfo.applicationInfo.packageName 4793 .equals(ai.applicationInfo.packageName)) { 4794 continue; 4795 } 4796 if (!ri.activityInfo.name.equals(ai.name)) { 4797 continue; 4798 } 4799 4800 if (removeMatches) { 4801 pir.removeFilter(pa); 4802 changed = true; 4803 if (DEBUG_PREFERRED) { 4804 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 4805 } 4806 break; 4807 } 4808 4809 // Okay we found a previously set preferred or last chosen app. 4810 // If the result set is different from when this 4811 // was created, we need to clear it and re-ask the 4812 // user their preference, if we're looking for an "always" type entry. 4813 if (always && !pa.mPref.sameSet(query)) { 4814 Slog.i(TAG, "Result set changed, dropping preferred activity for " 4815 + intent + " type " + resolvedType); 4816 if (DEBUG_PREFERRED) { 4817 Slog.v(TAG, "Removing preferred activity since set changed " 4818 + pa.mPref.mComponent); 4819 } 4820 pir.removeFilter(pa); 4821 // Re-add the filter as a "last chosen" entry (!always) 4822 PreferredActivity lastChosen = new PreferredActivity( 4823 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 4824 pir.addFilter(lastChosen); 4825 changed = true; 4826 return null; 4827 } 4828 4829 // Yay! Either the set matched or we're looking for the last chosen 4830 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 4831 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 4832 return ri; 4833 } 4834 } 4835 } finally { 4836 if (changed) { 4837 if (DEBUG_PREFERRED) { 4838 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 4839 } 4840 scheduleWritePackageRestrictionsLocked(userId); 4841 } 4842 } 4843 } 4844 } 4845 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 4846 return null; 4847 } 4848 4849 /* 4850 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 4851 */ 4852 @Override 4853 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 4854 int targetUserId) { 4855 mContext.enforceCallingOrSelfPermission( 4856 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 4857 List<CrossProfileIntentFilter> matches = 4858 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 4859 if (matches != null) { 4860 int size = matches.size(); 4861 for (int i = 0; i < size; i++) { 4862 if (matches.get(i).getTargetUserId() == targetUserId) return true; 4863 } 4864 } 4865 if (hasWebURI(intent)) { 4866 // cross-profile app linking works only towards the parent. 4867 final UserInfo parent = getProfileParent(sourceUserId); 4868 synchronized(mPackages) { 4869 CrossProfileDomainInfo xpDomainInfo = getCrossProfileDomainPreferredLpr( 4870 intent, resolvedType, 0, sourceUserId, parent.id); 4871 return xpDomainInfo != null; 4872 } 4873 } 4874 return false; 4875 } 4876 4877 private UserInfo getProfileParent(int userId) { 4878 final long identity = Binder.clearCallingIdentity(); 4879 try { 4880 return sUserManager.getProfileParent(userId); 4881 } finally { 4882 Binder.restoreCallingIdentity(identity); 4883 } 4884 } 4885 4886 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 4887 String resolvedType, int userId) { 4888 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 4889 if (resolver != null) { 4890 return resolver.queryIntent(intent, resolvedType, false, userId); 4891 } 4892 return null; 4893 } 4894 4895 @Override 4896 public List<ResolveInfo> queryIntentActivities(Intent intent, 4897 String resolvedType, int flags, int userId) { 4898 if (!sUserManager.exists(userId)) return Collections.emptyList(); 4899 flags = updateFlagsForResolve(flags, userId, intent); 4900 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities"); 4901 ComponentName comp = intent.getComponent(); 4902 if (comp == null) { 4903 if (intent.getSelector() != null) { 4904 intent = intent.getSelector(); 4905 comp = intent.getComponent(); 4906 } 4907 } 4908 4909 if (comp != null) { 4910 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 4911 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 4912 if (ai != null) { 4913 final ResolveInfo ri = new ResolveInfo(); 4914 ri.activityInfo = ai; 4915 list.add(ri); 4916 } 4917 return list; 4918 } 4919 4920 // reader 4921 synchronized (mPackages) { 4922 final String pkgName = intent.getPackage(); 4923 if (pkgName == null) { 4924 List<CrossProfileIntentFilter> matchingFilters = 4925 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 4926 // Check for results that need to skip the current profile. 4927 ResolveInfo xpResolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 4928 resolvedType, flags, userId); 4929 if (xpResolveInfo != null) { 4930 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 4931 result.add(xpResolveInfo); 4932 return filterIfNotSystemUser(result, userId); 4933 } 4934 4935 // Check for results in the current profile. 4936 List<ResolveInfo> result = mActivities.queryIntent( 4937 intent, resolvedType, flags, userId); 4938 result = filterIfNotSystemUser(result, userId); 4939 4940 // Check for cross profile results. 4941 boolean hasNonNegativePriorityResult = hasNonNegativePriority(result); 4942 xpResolveInfo = queryCrossProfileIntents( 4943 matchingFilters, intent, resolvedType, flags, userId, 4944 hasNonNegativePriorityResult); 4945 if (xpResolveInfo != null && isUserEnabled(xpResolveInfo.targetUserId)) { 4946 boolean isVisibleToUser = filterIfNotSystemUser( 4947 Collections.singletonList(xpResolveInfo), userId).size() > 0; 4948 if (isVisibleToUser) { 4949 result.add(xpResolveInfo); 4950 Collections.sort(result, mResolvePrioritySorter); 4951 } 4952 } 4953 if (hasWebURI(intent)) { 4954 CrossProfileDomainInfo xpDomainInfo = null; 4955 final UserInfo parent = getProfileParent(userId); 4956 if (parent != null) { 4957 xpDomainInfo = getCrossProfileDomainPreferredLpr(intent, resolvedType, 4958 flags, userId, parent.id); 4959 } 4960 if (xpDomainInfo != null) { 4961 if (xpResolveInfo != null) { 4962 // If we didn't remove it, the cross-profile ResolveInfo would be twice 4963 // in the result. 4964 result.remove(xpResolveInfo); 4965 } 4966 if (result.size() == 0) { 4967 result.add(xpDomainInfo.resolveInfo); 4968 return result; 4969 } 4970 } else if (result.size() <= 1) { 4971 return result; 4972 } 4973 result = filterCandidatesWithDomainPreferredActivitiesLPr(intent, flags, result, 4974 xpDomainInfo, userId); 4975 Collections.sort(result, mResolvePrioritySorter); 4976 } 4977 return result; 4978 } 4979 final PackageParser.Package pkg = mPackages.get(pkgName); 4980 if (pkg != null) { 4981 return filterIfNotSystemUser( 4982 mActivities.queryIntentForPackage( 4983 intent, resolvedType, flags, pkg.activities, userId), 4984 userId); 4985 } 4986 return new ArrayList<ResolveInfo>(); 4987 } 4988 } 4989 4990 private static class CrossProfileDomainInfo { 4991 /* ResolveInfo for IntentForwarderActivity to send the intent to the other profile */ 4992 ResolveInfo resolveInfo; 4993 /* Best domain verification status of the activities found in the other profile */ 4994 int bestDomainVerificationStatus; 4995 } 4996 4997 private CrossProfileDomainInfo getCrossProfileDomainPreferredLpr(Intent intent, 4998 String resolvedType, int flags, int sourceUserId, int parentUserId) { 4999 if (!sUserManager.hasUserRestriction(UserManager.ALLOW_PARENT_PROFILE_APP_LINKING, 5000 sourceUserId)) { 5001 return null; 5002 } 5003 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5004 resolvedType, flags, parentUserId); 5005 5006 if (resultTargetUser == null || resultTargetUser.isEmpty()) { 5007 return null; 5008 } 5009 CrossProfileDomainInfo result = null; 5010 int size = resultTargetUser.size(); 5011 for (int i = 0; i < size; i++) { 5012 ResolveInfo riTargetUser = resultTargetUser.get(i); 5013 // Intent filter verification is only for filters that specify a host. So don't return 5014 // those that handle all web uris. 5015 if (riTargetUser.handleAllWebDataURI) { 5016 continue; 5017 } 5018 String packageName = riTargetUser.activityInfo.packageName; 5019 PackageSetting ps = mSettings.mPackages.get(packageName); 5020 if (ps == null) { 5021 continue; 5022 } 5023 long verificationState = getDomainVerificationStatusLPr(ps, parentUserId); 5024 int status = (int)(verificationState >> 32); 5025 if (result == null) { 5026 result = new CrossProfileDomainInfo(); 5027 result.resolveInfo = createForwardingResolveInfoUnchecked(new IntentFilter(), 5028 sourceUserId, parentUserId); 5029 result.bestDomainVerificationStatus = status; 5030 } else { 5031 result.bestDomainVerificationStatus = bestDomainVerificationStatus(status, 5032 result.bestDomainVerificationStatus); 5033 } 5034 } 5035 // Don't consider matches with status NEVER across profiles. 5036 if (result != null && result.bestDomainVerificationStatus 5037 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5038 return null; 5039 } 5040 return result; 5041 } 5042 5043 /** 5044 * Verification statuses are ordered from the worse to the best, except for 5045 * INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER, which is the worse. 5046 */ 5047 private int bestDomainVerificationStatus(int status1, int status2) { 5048 if (status1 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5049 return status2; 5050 } 5051 if (status2 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5052 return status1; 5053 } 5054 return (int) MathUtils.max(status1, status2); 5055 } 5056 5057 private boolean isUserEnabled(int userId) { 5058 long callingId = Binder.clearCallingIdentity(); 5059 try { 5060 UserInfo userInfo = sUserManager.getUserInfo(userId); 5061 return userInfo != null && userInfo.isEnabled(); 5062 } finally { 5063 Binder.restoreCallingIdentity(callingId); 5064 } 5065 } 5066 5067 /** 5068 * Filter out activities with systemUserOnly flag set, when current user is not System. 5069 * 5070 * @return filtered list 5071 */ 5072 private List<ResolveInfo> filterIfNotSystemUser(List<ResolveInfo> resolveInfos, int userId) { 5073 if (userId == UserHandle.USER_SYSTEM) { 5074 return resolveInfos; 5075 } 5076 for (int i = resolveInfos.size() - 1; i >= 0; i--) { 5077 ResolveInfo info = resolveInfos.get(i); 5078 if ((info.activityInfo.flags & ActivityInfo.FLAG_SYSTEM_USER_ONLY) != 0) { 5079 resolveInfos.remove(i); 5080 } 5081 } 5082 return resolveInfos; 5083 } 5084 5085 /** 5086 * @param resolveInfos list of resolve infos in descending priority order 5087 * @return if the list contains a resolve info with non-negative priority 5088 */ 5089 private boolean hasNonNegativePriority(List<ResolveInfo> resolveInfos) { 5090 return resolveInfos.size() > 0 && resolveInfos.get(0).priority >= 0; 5091 } 5092 5093 private static boolean hasWebURI(Intent intent) { 5094 if (intent.getData() == null) { 5095 return false; 5096 } 5097 final String scheme = intent.getScheme(); 5098 if (TextUtils.isEmpty(scheme)) { 5099 return false; 5100 } 5101 return scheme.equals(IntentFilter.SCHEME_HTTP) || scheme.equals(IntentFilter.SCHEME_HTTPS); 5102 } 5103 5104 private List<ResolveInfo> filterCandidatesWithDomainPreferredActivitiesLPr(Intent intent, 5105 int matchFlags, List<ResolveInfo> candidates, CrossProfileDomainInfo xpDomainInfo, 5106 int userId) { 5107 final boolean debug = (intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0; 5108 5109 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5110 Slog.v(TAG, "Filtering results with preferred activities. Candidates count: " + 5111 candidates.size()); 5112 } 5113 5114 ArrayList<ResolveInfo> result = new ArrayList<ResolveInfo>(); 5115 ArrayList<ResolveInfo> alwaysList = new ArrayList<ResolveInfo>(); 5116 ArrayList<ResolveInfo> undefinedList = new ArrayList<ResolveInfo>(); 5117 ArrayList<ResolveInfo> alwaysAskList = new ArrayList<ResolveInfo>(); 5118 ArrayList<ResolveInfo> neverList = new ArrayList<ResolveInfo>(); 5119 ArrayList<ResolveInfo> matchAllList = new ArrayList<ResolveInfo>(); 5120 5121 synchronized (mPackages) { 5122 final int count = candidates.size(); 5123 // First, try to use linked apps. Partition the candidates into four lists: 5124 // one for the final results, one for the "do not use ever", one for "undefined status" 5125 // and finally one for "browser app type". 5126 for (int n=0; n<count; n++) { 5127 ResolveInfo info = candidates.get(n); 5128 String packageName = info.activityInfo.packageName; 5129 PackageSetting ps = mSettings.mPackages.get(packageName); 5130 if (ps != null) { 5131 // Add to the special match all list (Browser use case) 5132 if (info.handleAllWebDataURI) { 5133 matchAllList.add(info); 5134 continue; 5135 } 5136 // Try to get the status from User settings first 5137 long packedStatus = getDomainVerificationStatusLPr(ps, userId); 5138 int status = (int)(packedStatus >> 32); 5139 int linkGeneration = (int)(packedStatus & 0xFFFFFFFF); 5140 if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS) { 5141 if (DEBUG_DOMAIN_VERIFICATION) { 5142 Slog.i(TAG, " + always: " + info.activityInfo.packageName 5143 + " : linkgen=" + linkGeneration); 5144 } 5145 // Use link-enabled generation as preferredOrder, i.e. 5146 // prefer newly-enabled over earlier-enabled. 5147 info.preferredOrder = linkGeneration; 5148 alwaysList.add(info); 5149 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER) { 5150 if (DEBUG_DOMAIN_VERIFICATION) { 5151 Slog.i(TAG, " + never: " + info.activityInfo.packageName); 5152 } 5153 neverList.add(info); 5154 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS_ASK) { 5155 if (DEBUG_DOMAIN_VERIFICATION) { 5156 Slog.i(TAG, " + always-ask: " + info.activityInfo.packageName); 5157 } 5158 alwaysAskList.add(info); 5159 } else if (status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED || 5160 status == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK) { 5161 if (DEBUG_DOMAIN_VERIFICATION) { 5162 Slog.i(TAG, " + ask: " + info.activityInfo.packageName); 5163 } 5164 undefinedList.add(info); 5165 } 5166 } 5167 } 5168 5169 // We'll want to include browser possibilities in a few cases 5170 boolean includeBrowser = false; 5171 5172 // First try to add the "always" resolution(s) for the current user, if any 5173 if (alwaysList.size() > 0) { 5174 result.addAll(alwaysList); 5175 } else { 5176 // Add all undefined apps as we want them to appear in the disambiguation dialog. 5177 result.addAll(undefinedList); 5178 // Maybe add one for the other profile. 5179 if (xpDomainInfo != null && ( 5180 xpDomainInfo.bestDomainVerificationStatus 5181 != INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER)) { 5182 result.add(xpDomainInfo.resolveInfo); 5183 } 5184 includeBrowser = true; 5185 } 5186 5187 // The presence of any 'always ask' alternatives means we'll also offer browsers. 5188 // If there were 'always' entries their preferred order has been set, so we also 5189 // back that off to make the alternatives equivalent 5190 if (alwaysAskList.size() > 0) { 5191 for (ResolveInfo i : result) { 5192 i.preferredOrder = 0; 5193 } 5194 result.addAll(alwaysAskList); 5195 includeBrowser = true; 5196 } 5197 5198 if (includeBrowser) { 5199 // Also add browsers (all of them or only the default one) 5200 if (DEBUG_DOMAIN_VERIFICATION) { 5201 Slog.v(TAG, " ...including browsers in candidate set"); 5202 } 5203 if ((matchFlags & MATCH_ALL) != 0) { 5204 result.addAll(matchAllList); 5205 } else { 5206 // Browser/generic handling case. If there's a default browser, go straight 5207 // to that (but only if there is no other higher-priority match). 5208 final String defaultBrowserPackageName = getDefaultBrowserPackageName(userId); 5209 int maxMatchPrio = 0; 5210 ResolveInfo defaultBrowserMatch = null; 5211 final int numCandidates = matchAllList.size(); 5212 for (int n = 0; n < numCandidates; n++) { 5213 ResolveInfo info = matchAllList.get(n); 5214 // track the highest overall match priority... 5215 if (info.priority > maxMatchPrio) { 5216 maxMatchPrio = info.priority; 5217 } 5218 // ...and the highest-priority default browser match 5219 if (info.activityInfo.packageName.equals(defaultBrowserPackageName)) { 5220 if (defaultBrowserMatch == null 5221 || (defaultBrowserMatch.priority < info.priority)) { 5222 if (debug) { 5223 Slog.v(TAG, "Considering default browser match " + info); 5224 } 5225 defaultBrowserMatch = info; 5226 } 5227 } 5228 } 5229 if (defaultBrowserMatch != null 5230 && defaultBrowserMatch.priority >= maxMatchPrio 5231 && !TextUtils.isEmpty(defaultBrowserPackageName)) 5232 { 5233 if (debug) { 5234 Slog.v(TAG, "Default browser match " + defaultBrowserMatch); 5235 } 5236 result.add(defaultBrowserMatch); 5237 } else { 5238 result.addAll(matchAllList); 5239 } 5240 } 5241 5242 // If there is nothing selected, add all candidates and remove the ones that the user 5243 // has explicitly put into the INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_NEVER state 5244 if (result.size() == 0) { 5245 result.addAll(candidates); 5246 result.removeAll(neverList); 5247 } 5248 } 5249 } 5250 if (DEBUG_PREFERRED || DEBUG_DOMAIN_VERIFICATION) { 5251 Slog.v(TAG, "Filtered results with preferred activities. New candidates count: " + 5252 result.size()); 5253 for (ResolveInfo info : result) { 5254 Slog.v(TAG, " + " + info.activityInfo); 5255 } 5256 } 5257 return result; 5258 } 5259 5260 // Returns a packed value as a long: 5261 // 5262 // high 'int'-sized word: link status: undefined/ask/never/always. 5263 // low 'int'-sized word: relative priority among 'always' results. 5264 private long getDomainVerificationStatusLPr(PackageSetting ps, int userId) { 5265 long result = ps.getDomainVerificationStatusForUser(userId); 5266 // if none available, get the master status 5267 if (result >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 5268 if (ps.getIntentFilterVerificationInfo() != null) { 5269 result = ((long)ps.getIntentFilterVerificationInfo().getStatus()) << 32; 5270 } 5271 } 5272 return result; 5273 } 5274 5275 private ResolveInfo querySkipCurrentProfileIntents( 5276 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5277 int flags, int sourceUserId) { 5278 if (matchingFilters != null) { 5279 int size = matchingFilters.size(); 5280 for (int i = 0; i < size; i ++) { 5281 CrossProfileIntentFilter filter = matchingFilters.get(i); 5282 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 5283 // Checking if there are activities in the target user that can handle the 5284 // intent. 5285 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5286 resolvedType, flags, sourceUserId); 5287 if (resolveInfo != null) { 5288 return resolveInfo; 5289 } 5290 } 5291 } 5292 } 5293 return null; 5294 } 5295 5296 // Return matching ResolveInfo in target user if any. 5297 private ResolveInfo queryCrossProfileIntents( 5298 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 5299 int flags, int sourceUserId, boolean matchInCurrentProfile) { 5300 if (matchingFilters != null) { 5301 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 5302 // match the same intent. For performance reasons, it is better not to 5303 // run queryIntent twice for the same userId 5304 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 5305 int size = matchingFilters.size(); 5306 for (int i = 0; i < size; i++) { 5307 CrossProfileIntentFilter filter = matchingFilters.get(i); 5308 int targetUserId = filter.getTargetUserId(); 5309 boolean skipCurrentProfile = 5310 (filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0; 5311 boolean skipCurrentProfileIfNoMatchFound = 5312 (filter.getFlags() & PackageManager.ONLY_IF_NO_MATCH_FOUND) != 0; 5313 if (!skipCurrentProfile && !alreadyTriedUserIds.get(targetUserId) 5314 && (!skipCurrentProfileIfNoMatchFound || !matchInCurrentProfile)) { 5315 // Checking if there are activities in the target user that can handle the 5316 // intent. 5317 ResolveInfo resolveInfo = createForwardingResolveInfo(filter, intent, 5318 resolvedType, flags, sourceUserId); 5319 if (resolveInfo != null) return resolveInfo; 5320 alreadyTriedUserIds.put(targetUserId, true); 5321 } 5322 } 5323 } 5324 return null; 5325 } 5326 5327 /** 5328 * If the filter's target user can handle the intent and is enabled: returns a ResolveInfo that 5329 * will forward the intent to the filter's target user. 5330 * Otherwise, returns null. 5331 */ 5332 private ResolveInfo createForwardingResolveInfo(CrossProfileIntentFilter filter, Intent intent, 5333 String resolvedType, int flags, int sourceUserId) { 5334 int targetUserId = filter.getTargetUserId(); 5335 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 5336 resolvedType, flags, targetUserId); 5337 if (resultTargetUser != null && !resultTargetUser.isEmpty() 5338 && isUserEnabled(targetUserId)) { 5339 return createForwardingResolveInfoUnchecked(filter, sourceUserId, targetUserId); 5340 } 5341 return null; 5342 } 5343 5344 private ResolveInfo createForwardingResolveInfoUnchecked(IntentFilter filter, 5345 int sourceUserId, int targetUserId) { 5346 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 5347 long ident = Binder.clearCallingIdentity(); 5348 boolean targetIsProfile; 5349 try { 5350 targetIsProfile = sUserManager.getUserInfo(targetUserId).isManagedProfile(); 5351 } finally { 5352 Binder.restoreCallingIdentity(ident); 5353 } 5354 String className; 5355 if (targetIsProfile) { 5356 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 5357 } else { 5358 className = FORWARD_INTENT_TO_PARENT; 5359 } 5360 ComponentName forwardingActivityComponentName = new ComponentName( 5361 mAndroidApplication.packageName, className); 5362 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 5363 sourceUserId); 5364 if (!targetIsProfile) { 5365 forwardingActivityInfo.showUserIcon = targetUserId; 5366 forwardingResolveInfo.noResourceId = true; 5367 } 5368 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 5369 forwardingResolveInfo.priority = 0; 5370 forwardingResolveInfo.preferredOrder = 0; 5371 forwardingResolveInfo.match = 0; 5372 forwardingResolveInfo.isDefault = true; 5373 forwardingResolveInfo.filter = filter; 5374 forwardingResolveInfo.targetUserId = targetUserId; 5375 return forwardingResolveInfo; 5376 } 5377 5378 @Override 5379 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 5380 Intent[] specifics, String[] specificTypes, Intent intent, 5381 String resolvedType, int flags, int userId) { 5382 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5383 flags = updateFlagsForResolve(flags, userId, intent); 5384 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 5385 false, "query intent activity options"); 5386 final String resultsAction = intent.getAction(); 5387 5388 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 5389 | PackageManager.GET_RESOLVED_FILTER, userId); 5390 5391 if (DEBUG_INTENT_MATCHING) { 5392 Log.v(TAG, "Query " + intent + ": " + results); 5393 } 5394 5395 int specificsPos = 0; 5396 int N; 5397 5398 // todo: note that the algorithm used here is O(N^2). This 5399 // isn't a problem in our current environment, but if we start running 5400 // into situations where we have more than 5 or 10 matches then this 5401 // should probably be changed to something smarter... 5402 5403 // First we go through and resolve each of the specific items 5404 // that were supplied, taking care of removing any corresponding 5405 // duplicate items in the generic resolve list. 5406 if (specifics != null) { 5407 for (int i=0; i<specifics.length; i++) { 5408 final Intent sintent = specifics[i]; 5409 if (sintent == null) { 5410 continue; 5411 } 5412 5413 if (DEBUG_INTENT_MATCHING) { 5414 Log.v(TAG, "Specific #" + i + ": " + sintent); 5415 } 5416 5417 String action = sintent.getAction(); 5418 if (resultsAction != null && resultsAction.equals(action)) { 5419 // If this action was explicitly requested, then don't 5420 // remove things that have it. 5421 action = null; 5422 } 5423 5424 ResolveInfo ri = null; 5425 ActivityInfo ai = null; 5426 5427 ComponentName comp = sintent.getComponent(); 5428 if (comp == null) { 5429 ri = resolveIntent( 5430 sintent, 5431 specificTypes != null ? specificTypes[i] : null, 5432 flags, userId); 5433 if (ri == null) { 5434 continue; 5435 } 5436 if (ri == mResolveInfo) { 5437 // ACK! Must do something better with this. 5438 } 5439 ai = ri.activityInfo; 5440 comp = new ComponentName(ai.applicationInfo.packageName, 5441 ai.name); 5442 } else { 5443 ai = getActivityInfo(comp, flags, userId); 5444 if (ai == null) { 5445 continue; 5446 } 5447 } 5448 5449 // Look for any generic query activities that are duplicates 5450 // of this specific one, and remove them from the results. 5451 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 5452 N = results.size(); 5453 int j; 5454 for (j=specificsPos; j<N; j++) { 5455 ResolveInfo sri = results.get(j); 5456 if ((sri.activityInfo.name.equals(comp.getClassName()) 5457 && sri.activityInfo.applicationInfo.packageName.equals( 5458 comp.getPackageName())) 5459 || (action != null && sri.filter.matchAction(action))) { 5460 results.remove(j); 5461 if (DEBUG_INTENT_MATCHING) Log.v( 5462 TAG, "Removing duplicate item from " + j 5463 + " due to specific " + specificsPos); 5464 if (ri == null) { 5465 ri = sri; 5466 } 5467 j--; 5468 N--; 5469 } 5470 } 5471 5472 // Add this specific item to its proper place. 5473 if (ri == null) { 5474 ri = new ResolveInfo(); 5475 ri.activityInfo = ai; 5476 } 5477 results.add(specificsPos, ri); 5478 ri.specificIndex = i; 5479 specificsPos++; 5480 } 5481 } 5482 5483 // Now we go through the remaining generic results and remove any 5484 // duplicate actions that are found here. 5485 N = results.size(); 5486 for (int i=specificsPos; i<N-1; i++) { 5487 final ResolveInfo rii = results.get(i); 5488 if (rii.filter == null) { 5489 continue; 5490 } 5491 5492 // Iterate over all of the actions of this result's intent 5493 // filter... typically this should be just one. 5494 final Iterator<String> it = rii.filter.actionsIterator(); 5495 if (it == null) { 5496 continue; 5497 } 5498 while (it.hasNext()) { 5499 final String action = it.next(); 5500 if (resultsAction != null && resultsAction.equals(action)) { 5501 // If this action was explicitly requested, then don't 5502 // remove things that have it. 5503 continue; 5504 } 5505 for (int j=i+1; j<N; j++) { 5506 final ResolveInfo rij = results.get(j); 5507 if (rij.filter != null && rij.filter.hasAction(action)) { 5508 results.remove(j); 5509 if (DEBUG_INTENT_MATCHING) Log.v( 5510 TAG, "Removing duplicate item from " + j 5511 + " due to action " + action + " at " + i); 5512 j--; 5513 N--; 5514 } 5515 } 5516 } 5517 5518 // If the caller didn't request filter information, drop it now 5519 // so we don't have to marshall/unmarshall it. 5520 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5521 rii.filter = null; 5522 } 5523 } 5524 5525 // Filter out the caller activity if so requested. 5526 if (caller != null) { 5527 N = results.size(); 5528 for (int i=0; i<N; i++) { 5529 ActivityInfo ainfo = results.get(i).activityInfo; 5530 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 5531 && caller.getClassName().equals(ainfo.name)) { 5532 results.remove(i); 5533 break; 5534 } 5535 } 5536 } 5537 5538 // If the caller didn't request filter information, 5539 // drop them now so we don't have to 5540 // marshall/unmarshall it. 5541 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 5542 N = results.size(); 5543 for (int i=0; i<N; i++) { 5544 results.get(i).filter = null; 5545 } 5546 } 5547 5548 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 5549 return results; 5550 } 5551 5552 @Override 5553 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 5554 int userId) { 5555 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5556 flags = updateFlagsForResolve(flags, userId, intent); 5557 ComponentName comp = intent.getComponent(); 5558 if (comp == null) { 5559 if (intent.getSelector() != null) { 5560 intent = intent.getSelector(); 5561 comp = intent.getComponent(); 5562 } 5563 } 5564 if (comp != null) { 5565 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5566 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 5567 if (ai != null) { 5568 ResolveInfo ri = new ResolveInfo(); 5569 ri.activityInfo = ai; 5570 list.add(ri); 5571 } 5572 return list; 5573 } 5574 5575 // reader 5576 synchronized (mPackages) { 5577 String pkgName = intent.getPackage(); 5578 if (pkgName == null) { 5579 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 5580 } 5581 final PackageParser.Package pkg = mPackages.get(pkgName); 5582 if (pkg != null) { 5583 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 5584 userId); 5585 } 5586 return null; 5587 } 5588 } 5589 5590 @Override 5591 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 5592 if (!sUserManager.exists(userId)) return null; 5593 flags = updateFlagsForResolve(flags, userId, intent); 5594 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 5595 if (query != null) { 5596 if (query.size() >= 1) { 5597 // If there is more than one service with the same priority, 5598 // just arbitrarily pick the first one. 5599 return query.get(0); 5600 } 5601 } 5602 return null; 5603 } 5604 5605 @Override 5606 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 5607 int userId) { 5608 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5609 flags = updateFlagsForResolve(flags, userId, intent); 5610 ComponentName comp = intent.getComponent(); 5611 if (comp == null) { 5612 if (intent.getSelector() != null) { 5613 intent = intent.getSelector(); 5614 comp = intent.getComponent(); 5615 } 5616 } 5617 if (comp != null) { 5618 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5619 final ServiceInfo si = getServiceInfo(comp, flags, userId); 5620 if (si != null) { 5621 final ResolveInfo ri = new ResolveInfo(); 5622 ri.serviceInfo = si; 5623 list.add(ri); 5624 } 5625 return list; 5626 } 5627 5628 // reader 5629 synchronized (mPackages) { 5630 String pkgName = intent.getPackage(); 5631 if (pkgName == null) { 5632 return mServices.queryIntent(intent, resolvedType, flags, userId); 5633 } 5634 final PackageParser.Package pkg = mPackages.get(pkgName); 5635 if (pkg != null) { 5636 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 5637 userId); 5638 } 5639 return null; 5640 } 5641 } 5642 5643 @Override 5644 public List<ResolveInfo> queryIntentContentProviders( 5645 Intent intent, String resolvedType, int flags, int userId) { 5646 if (!sUserManager.exists(userId)) return Collections.emptyList(); 5647 flags = updateFlagsForResolve(flags, userId, intent); 5648 ComponentName comp = intent.getComponent(); 5649 if (comp == null) { 5650 if (intent.getSelector() != null) { 5651 intent = intent.getSelector(); 5652 comp = intent.getComponent(); 5653 } 5654 } 5655 if (comp != null) { 5656 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 5657 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 5658 if (pi != null) { 5659 final ResolveInfo ri = new ResolveInfo(); 5660 ri.providerInfo = pi; 5661 list.add(ri); 5662 } 5663 return list; 5664 } 5665 5666 // reader 5667 synchronized (mPackages) { 5668 String pkgName = intent.getPackage(); 5669 if (pkgName == null) { 5670 return mProviders.queryIntent(intent, resolvedType, flags, userId); 5671 } 5672 final PackageParser.Package pkg = mPackages.get(pkgName); 5673 if (pkg != null) { 5674 return mProviders.queryIntentForPackage( 5675 intent, resolvedType, flags, pkg.providers, userId); 5676 } 5677 return null; 5678 } 5679 } 5680 5681 @Override 5682 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 5683 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5684 flags = updateFlagsForPackage(flags, userId, null); 5685 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5686 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages"); 5687 5688 // writer 5689 synchronized (mPackages) { 5690 ArrayList<PackageInfo> list; 5691 if (listUninstalled) { 5692 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 5693 for (PackageSetting ps : mSettings.mPackages.values()) { 5694 PackageInfo pi; 5695 if (ps.pkg != null) { 5696 pi = generatePackageInfo(ps.pkg, flags, userId); 5697 } else { 5698 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5699 } 5700 if (pi != null) { 5701 list.add(pi); 5702 } 5703 } 5704 } else { 5705 list = new ArrayList<PackageInfo>(mPackages.size()); 5706 for (PackageParser.Package p : mPackages.values()) { 5707 PackageInfo pi = generatePackageInfo(p, flags, userId); 5708 if (pi != null) { 5709 list.add(pi); 5710 } 5711 } 5712 } 5713 5714 return new ParceledListSlice<PackageInfo>(list); 5715 } 5716 } 5717 5718 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 5719 String[] permissions, boolean[] tmp, int flags, int userId) { 5720 int numMatch = 0; 5721 final PermissionsState permissionsState = ps.getPermissionsState(); 5722 for (int i=0; i<permissions.length; i++) { 5723 final String permission = permissions[i]; 5724 if (permissionsState.hasPermission(permission, userId)) { 5725 tmp[i] = true; 5726 numMatch++; 5727 } else { 5728 tmp[i] = false; 5729 } 5730 } 5731 if (numMatch == 0) { 5732 return; 5733 } 5734 PackageInfo pi; 5735 if (ps.pkg != null) { 5736 pi = generatePackageInfo(ps.pkg, flags, userId); 5737 } else { 5738 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 5739 } 5740 // The above might return null in cases of uninstalled apps or install-state 5741 // skew across users/profiles. 5742 if (pi != null) { 5743 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 5744 if (numMatch == permissions.length) { 5745 pi.requestedPermissions = permissions; 5746 } else { 5747 pi.requestedPermissions = new String[numMatch]; 5748 numMatch = 0; 5749 for (int i=0; i<permissions.length; i++) { 5750 if (tmp[i]) { 5751 pi.requestedPermissions[numMatch] = permissions[i]; 5752 numMatch++; 5753 } 5754 } 5755 } 5756 } 5757 list.add(pi); 5758 } 5759 } 5760 5761 @Override 5762 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 5763 String[] permissions, int flags, int userId) { 5764 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5765 flags = updateFlagsForPackage(flags, userId, permissions); 5766 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5767 5768 // writer 5769 synchronized (mPackages) { 5770 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 5771 boolean[] tmpBools = new boolean[permissions.length]; 5772 if (listUninstalled) { 5773 for (PackageSetting ps : mSettings.mPackages.values()) { 5774 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 5775 } 5776 } else { 5777 for (PackageParser.Package pkg : mPackages.values()) { 5778 PackageSetting ps = (PackageSetting)pkg.mExtras; 5779 if (ps != null) { 5780 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 5781 userId); 5782 } 5783 } 5784 } 5785 5786 return new ParceledListSlice<PackageInfo>(list); 5787 } 5788 } 5789 5790 @Override 5791 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 5792 if (!sUserManager.exists(userId)) return ParceledListSlice.emptyList(); 5793 flags = updateFlagsForApplication(flags, userId, null); 5794 final boolean listUninstalled = (flags & MATCH_UNINSTALLED_PACKAGES) != 0; 5795 5796 // writer 5797 synchronized (mPackages) { 5798 ArrayList<ApplicationInfo> list; 5799 if (listUninstalled) { 5800 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 5801 for (PackageSetting ps : mSettings.mPackages.values()) { 5802 ApplicationInfo ai; 5803 if (ps.pkg != null) { 5804 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 5805 ps.readUserState(userId), userId); 5806 } else { 5807 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 5808 } 5809 if (ai != null) { 5810 list.add(ai); 5811 } 5812 } 5813 } else { 5814 list = new ArrayList<ApplicationInfo>(mPackages.size()); 5815 for (PackageParser.Package p : mPackages.values()) { 5816 if (p.mExtras != null) { 5817 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5818 ((PackageSetting)p.mExtras).readUserState(userId), userId); 5819 if (ai != null) { 5820 list.add(ai); 5821 } 5822 } 5823 } 5824 } 5825 5826 return new ParceledListSlice<ApplicationInfo>(list); 5827 } 5828 } 5829 5830 @Override 5831 public ParceledListSlice<EphemeralApplicationInfo> getEphemeralApplications(int userId) { 5832 if (DISABLE_EPHEMERAL_APPS) { 5833 return null; 5834 } 5835 5836 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 5837 "getEphemeralApplications"); 5838 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5839 "getEphemeralApplications"); 5840 synchronized (mPackages) { 5841 List<EphemeralApplicationInfo> ephemeralApps = mEphemeralApplicationRegistry 5842 .getEphemeralApplicationsLPw(userId); 5843 if (ephemeralApps != null) { 5844 return new ParceledListSlice<>(ephemeralApps); 5845 } 5846 } 5847 return null; 5848 } 5849 5850 @Override 5851 public boolean isEphemeralApplication(String packageName, int userId) { 5852 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5853 "isEphemeral"); 5854 if (DISABLE_EPHEMERAL_APPS) { 5855 return false; 5856 } 5857 5858 if (!isCallerSameApp(packageName)) { 5859 return false; 5860 } 5861 synchronized (mPackages) { 5862 PackageParser.Package pkg = mPackages.get(packageName); 5863 if (pkg != null) { 5864 return pkg.applicationInfo.isEphemeralApp(); 5865 } 5866 } 5867 return false; 5868 } 5869 5870 @Override 5871 public byte[] getEphemeralApplicationCookie(String packageName, int userId) { 5872 if (DISABLE_EPHEMERAL_APPS) { 5873 return null; 5874 } 5875 5876 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5877 "getCookie"); 5878 if (!isCallerSameApp(packageName)) { 5879 return null; 5880 } 5881 synchronized (mPackages) { 5882 return mEphemeralApplicationRegistry.getEphemeralApplicationCookieLPw( 5883 packageName, userId); 5884 } 5885 } 5886 5887 @Override 5888 public boolean setEphemeralApplicationCookie(String packageName, byte[] cookie, int userId) { 5889 if (DISABLE_EPHEMERAL_APPS) { 5890 return true; 5891 } 5892 5893 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5894 "setCookie"); 5895 if (!isCallerSameApp(packageName)) { 5896 return false; 5897 } 5898 synchronized (mPackages) { 5899 return mEphemeralApplicationRegistry.setEphemeralApplicationCookieLPw( 5900 packageName, cookie, userId); 5901 } 5902 } 5903 5904 @Override 5905 public Bitmap getEphemeralApplicationIcon(String packageName, int userId) { 5906 if (DISABLE_EPHEMERAL_APPS) { 5907 return null; 5908 } 5909 5910 mContext.enforceCallingOrSelfPermission(Manifest.permission.ACCESS_EPHEMERAL_APPS, 5911 "getEphemeralApplicationIcon"); 5912 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, 5913 "getEphemeralApplicationIcon"); 5914 synchronized (mPackages) { 5915 return mEphemeralApplicationRegistry.getEphemeralApplicationIconLPw( 5916 packageName, userId); 5917 } 5918 } 5919 5920 private boolean isCallerSameApp(String packageName) { 5921 PackageParser.Package pkg = mPackages.get(packageName); 5922 return pkg != null 5923 && UserHandle.getAppId(Binder.getCallingUid()) == pkg.applicationInfo.uid; 5924 } 5925 5926 public List<ApplicationInfo> getPersistentApplications(int flags) { 5927 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 5928 5929 // reader 5930 synchronized (mPackages) { 5931 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 5932 final int userId = UserHandle.getCallingUserId(); 5933 while (i.hasNext()) { 5934 final PackageParser.Package p = i.next(); 5935 if (p.applicationInfo != null 5936 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 5937 && (!mSafeMode || isSystemApp(p))) { 5938 PackageSetting ps = mSettings.mPackages.get(p.packageName); 5939 if (ps != null) { 5940 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 5941 ps.readUserState(userId), userId); 5942 if (ai != null) { 5943 finalList.add(ai); 5944 } 5945 } 5946 } 5947 } 5948 } 5949 5950 return finalList; 5951 } 5952 5953 @Override 5954 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 5955 if (!sUserManager.exists(userId)) return null; 5956 flags = updateFlagsForComponent(flags, userId, name); 5957 // reader 5958 synchronized (mPackages) { 5959 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 5960 PackageSetting ps = provider != null 5961 ? mSettings.mPackages.get(provider.owner.packageName) 5962 : null; 5963 return ps != null 5964 && mSettings.isEnabledAndMatchLPr(provider.info, flags, userId) 5965 ? PackageParser.generateProviderInfo(provider, flags, 5966 ps.readUserState(userId), userId) 5967 : null; 5968 } 5969 } 5970 5971 /** 5972 * @deprecated 5973 */ 5974 @Deprecated 5975 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 5976 // reader 5977 synchronized (mPackages) { 5978 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 5979 .entrySet().iterator(); 5980 final int userId = UserHandle.getCallingUserId(); 5981 while (i.hasNext()) { 5982 Map.Entry<String, PackageParser.Provider> entry = i.next(); 5983 PackageParser.Provider p = entry.getValue(); 5984 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 5985 5986 if (ps != null && p.syncable 5987 && (!mSafeMode || (p.info.applicationInfo.flags 5988 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 5989 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 5990 ps.readUserState(userId), userId); 5991 if (info != null) { 5992 outNames.add(entry.getKey()); 5993 outInfo.add(info); 5994 } 5995 } 5996 } 5997 } 5998 } 5999 6000 @Override 6001 public ParceledListSlice<ProviderInfo> queryContentProviders(String processName, 6002 int uid, int flags) { 6003 final int userId = processName != null ? UserHandle.getUserId(uid) 6004 : UserHandle.getCallingUserId(); 6005 if (!sUserManager.exists(userId)) return null; 6006 flags = updateFlagsForComponent(flags, userId, processName); 6007 6008 ArrayList<ProviderInfo> finalList = null; 6009 // reader 6010 synchronized (mPackages) { 6011 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 6012 while (i.hasNext()) { 6013 final PackageParser.Provider p = i.next(); 6014 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 6015 if (ps != null && p.info.authority != null 6016 && (processName == null 6017 || (p.info.processName.equals(processName) 6018 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 6019 && mSettings.isEnabledAndMatchLPr(p.info, flags, userId)) { 6020 if (finalList == null) { 6021 finalList = new ArrayList<ProviderInfo>(3); 6022 } 6023 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 6024 ps.readUserState(userId), userId); 6025 if (info != null) { 6026 finalList.add(info); 6027 } 6028 } 6029 } 6030 } 6031 6032 if (finalList != null) { 6033 Collections.sort(finalList, mProviderInitOrderSorter); 6034 return new ParceledListSlice<ProviderInfo>(finalList); 6035 } 6036 6037 return null; 6038 } 6039 6040 @Override 6041 public InstrumentationInfo getInstrumentationInfo(ComponentName name, int flags) { 6042 // reader 6043 synchronized (mPackages) { 6044 final PackageParser.Instrumentation i = mInstrumentation.get(name); 6045 return PackageParser.generateInstrumentationInfo(i, flags); 6046 } 6047 } 6048 6049 @Override 6050 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 6051 int flags) { 6052 ArrayList<InstrumentationInfo> finalList = 6053 new ArrayList<InstrumentationInfo>(); 6054 6055 // reader 6056 synchronized (mPackages) { 6057 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 6058 while (i.hasNext()) { 6059 final PackageParser.Instrumentation p = i.next(); 6060 if (targetPackage == null 6061 || targetPackage.equals(p.info.targetPackage)) { 6062 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 6063 flags); 6064 if (ii != null) { 6065 finalList.add(ii); 6066 } 6067 } 6068 } 6069 } 6070 6071 return finalList; 6072 } 6073 6074 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 6075 ArrayMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 6076 if (overlays == null) { 6077 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 6078 return; 6079 } 6080 for (PackageParser.Package opkg : overlays.values()) { 6081 // Not much to do if idmap fails: we already logged the error 6082 // and we certainly don't want to abort installation of pkg simply 6083 // because an overlay didn't fit properly. For these reasons, 6084 // ignore the return value of createIdmapForPackagePairLI. 6085 createIdmapForPackagePairLI(pkg, opkg); 6086 } 6087 } 6088 6089 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 6090 PackageParser.Package opkg) { 6091 if (!opkg.mTrustedOverlay) { 6092 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 6093 opkg.baseCodePath + ": overlay not trusted"); 6094 return false; 6095 } 6096 ArrayMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 6097 if (overlaySet == null) { 6098 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 6099 opkg.baseCodePath + " but target package has no known overlays"); 6100 return false; 6101 } 6102 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 6103 // TODO: generate idmap for split APKs 6104 try { 6105 mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid); 6106 } catch (InstallerException e) { 6107 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 6108 + opkg.baseCodePath); 6109 return false; 6110 } 6111 PackageParser.Package[] overlayArray = 6112 overlaySet.values().toArray(new PackageParser.Package[0]); 6113 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 6114 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 6115 return p1.mOverlayPriority - p2.mOverlayPriority; 6116 } 6117 }; 6118 Arrays.sort(overlayArray, cmp); 6119 6120 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 6121 int i = 0; 6122 for (PackageParser.Package p : overlayArray) { 6123 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 6124 } 6125 return true; 6126 } 6127 6128 private void scanDirTracedLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6129 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanDir"); 6130 try { 6131 scanDirLI(dir, parseFlags, scanFlags, currentTime); 6132 } finally { 6133 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6134 } 6135 } 6136 6137 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 6138 final File[] files = dir.listFiles(); 6139 if (ArrayUtils.isEmpty(files)) { 6140 Log.d(TAG, "No files in app dir " + dir); 6141 return; 6142 } 6143 6144 if (DEBUG_PACKAGE_SCANNING) { 6145 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 6146 + " flags=0x" + Integer.toHexString(parseFlags)); 6147 } 6148 6149 for (File file : files) { 6150 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 6151 && !PackageInstallerService.isStageName(file.getName()); 6152 if (!isPackage) { 6153 // Ignore entries which are not packages 6154 continue; 6155 } 6156 try { 6157 scanPackageTracedLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 6158 scanFlags, currentTime, null); 6159 } catch (PackageManagerException e) { 6160 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 6161 6162 // Delete invalid userdata apps 6163 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 6164 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 6165 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 6166 removeCodePathLI(file); 6167 } 6168 } 6169 } 6170 } 6171 6172 private static File getSettingsProblemFile() { 6173 File dataDir = Environment.getDataDirectory(); 6174 File systemDir = new File(dataDir, "system"); 6175 File fname = new File(systemDir, "uiderrors.txt"); 6176 return fname; 6177 } 6178 6179 static void reportSettingsProblem(int priority, String msg) { 6180 logCriticalInfo(priority, msg); 6181 } 6182 6183 static void logCriticalInfo(int priority, String msg) { 6184 Slog.println(priority, TAG, msg); 6185 EventLogTags.writePmCriticalInfo(msg); 6186 try { 6187 File fname = getSettingsProblemFile(); 6188 FileOutputStream out = new FileOutputStream(fname, true); 6189 PrintWriter pw = new FastPrintWriter(out); 6190 SimpleDateFormat formatter = new SimpleDateFormat(); 6191 String dateString = formatter.format(new Date(System.currentTimeMillis())); 6192 pw.println(dateString + ": " + msg); 6193 pw.close(); 6194 FileUtils.setPermissions( 6195 fname.toString(), 6196 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 6197 -1, -1); 6198 } catch (java.io.IOException e) { 6199 } 6200 } 6201 6202 private void collectCertificatesLI(PackageParser pp, PackageSetting ps, 6203 PackageParser.Package pkg, File srcFile, int parseFlags) 6204 throws PackageManagerException { 6205 if (ps != null 6206 && ps.codePath.equals(srcFile) 6207 && ps.timeStamp == srcFile.lastModified() 6208 && !isCompatSignatureUpdateNeeded(pkg) 6209 && !isRecoverSignatureUpdateNeeded(pkg)) { 6210 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 6211 KeySetManagerService ksms = mSettings.mKeySetManagerService; 6212 ArraySet<PublicKey> signingKs; 6213 synchronized (mPackages) { 6214 signingKs = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 6215 } 6216 if (ps.signatures.mSignatures != null 6217 && ps.signatures.mSignatures.length != 0 6218 && signingKs != null) { 6219 // Optimization: reuse the existing cached certificates 6220 // if the package appears to be unchanged. 6221 pkg.mSignatures = ps.signatures.mSignatures; 6222 pkg.mSigningKeys = signingKs; 6223 return; 6224 } 6225 6226 Slog.w(TAG, "PackageSetting for " + ps.name 6227 + " is missing signatures. Collecting certs again to recover them."); 6228 } else { 6229 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 6230 } 6231 6232 try { 6233 pp.collectCertificates(pkg, parseFlags); 6234 } catch (PackageParserException e) { 6235 throw PackageManagerException.from(e); 6236 } 6237 } 6238 6239 /** 6240 * Traces a package scan. 6241 * @see #scanPackageLI(File, int, int, long, UserHandle) 6242 */ 6243 private PackageParser.Package scanPackageTracedLI(File scanFile, int parseFlags, int scanFlags, 6244 long currentTime, UserHandle user) throws PackageManagerException { 6245 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6246 try { 6247 return scanPackageLI(scanFile, parseFlags, scanFlags, currentTime, user); 6248 } finally { 6249 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6250 } 6251 } 6252 6253 /** 6254 * Scans a package and returns the newly parsed package. 6255 * Returns {@code null} in case of errors and the error code is stored in mLastScanError 6256 */ 6257 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 6258 long currentTime, UserHandle user) throws PackageManagerException { 6259 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 6260 parseFlags |= mDefParseFlags; 6261 PackageParser pp = new PackageParser(); 6262 pp.setSeparateProcesses(mSeparateProcesses); 6263 pp.setOnlyCoreApps(mOnlyCore); 6264 pp.setDisplayMetrics(mMetrics); 6265 6266 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 6267 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 6268 } 6269 6270 final PackageParser.Package pkg; 6271 try { 6272 pkg = pp.parsePackage(scanFile, parseFlags); 6273 } catch (PackageParserException e) { 6274 throw PackageManagerException.from(e); 6275 } 6276 6277 PackageSetting ps = null; 6278 PackageSetting updatedPkg; 6279 // reader 6280 synchronized (mPackages) { 6281 // Look to see if we already know about this package. 6282 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 6283 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 6284 // This package has been renamed to its original name. Let's 6285 // use that. 6286 ps = mSettings.peekPackageLPr(oldName); 6287 } 6288 // If there was no original package, see one for the real package name. 6289 if (ps == null) { 6290 ps = mSettings.peekPackageLPr(pkg.packageName); 6291 } 6292 // Check to see if this package could be hiding/updating a system 6293 // package. Must look for it either under the original or real 6294 // package name depending on our state. 6295 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 6296 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 6297 } 6298 boolean updatedPkgBetter = false; 6299 // First check if this is a system package that may involve an update 6300 if (updatedPkg != null && (parseFlags & PackageParser.PARSE_IS_SYSTEM) != 0) { 6301 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 6302 // it needs to drop FLAG_PRIVILEGED. 6303 if (locationIsPrivileged(scanFile)) { 6304 updatedPkg.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6305 } else { 6306 updatedPkg.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6307 } 6308 6309 if (ps != null && !ps.codePath.equals(scanFile)) { 6310 // The path has changed from what was last scanned... check the 6311 // version of the new path against what we have stored to determine 6312 // what to do. 6313 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 6314 if (pkg.mVersionCode <= ps.versionCode) { 6315 // The system package has been updated and the code path does not match 6316 // Ignore entry. Skip it. 6317 if (DEBUG_INSTALL) Slog.i(TAG, "Package " + ps.name + " at " + scanFile 6318 + " ignored: updated version " + ps.versionCode 6319 + " better than this " + pkg.mVersionCode); 6320 if (!updatedPkg.codePath.equals(scanFile)) { 6321 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg " 6322 + ps.name + " changing from " + updatedPkg.codePathString 6323 + " to " + scanFile); 6324 updatedPkg.codePath = scanFile; 6325 updatedPkg.codePathString = scanFile.toString(); 6326 updatedPkg.resourcePath = scanFile; 6327 updatedPkg.resourcePathString = scanFile.toString(); 6328 } 6329 updatedPkg.pkg = pkg; 6330 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6331 "Package " + ps.name + " at " + scanFile 6332 + " ignored: updated version " + ps.versionCode 6333 + " better than this " + pkg.mVersionCode); 6334 } else { 6335 // The current app on the system partition is better than 6336 // what we have updated to on the data partition; switch 6337 // back to the system partition version. 6338 // At this point, its safely assumed that package installation for 6339 // apps in system partition will go through. If not there won't be a working 6340 // version of the app 6341 // writer 6342 synchronized (mPackages) { 6343 // Just remove the loaded entries from package lists. 6344 mPackages.remove(ps.name); 6345 } 6346 6347 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6348 + " reverting from " + ps.codePathString 6349 + ": new version " + pkg.mVersionCode 6350 + " better than installed " + ps.versionCode); 6351 6352 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6353 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6354 synchronized (mInstallLock) { 6355 args.cleanUpResourcesLI(); 6356 } 6357 synchronized (mPackages) { 6358 mSettings.enableSystemPackageLPw(ps.name); 6359 } 6360 updatedPkgBetter = true; 6361 } 6362 } 6363 } 6364 6365 if (updatedPkg != null) { 6366 // An updated system app will not have the PARSE_IS_SYSTEM flag set 6367 // initially 6368 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 6369 6370 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 6371 // flag set initially 6372 if ((updatedPkg.pkgPrivateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0) { 6373 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 6374 } 6375 } 6376 6377 // Verify certificates against what was last scanned 6378 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 6379 6380 /* 6381 * A new system app appeared, but we already had a non-system one of the 6382 * same name installed earlier. 6383 */ 6384 boolean shouldHideSystemApp = false; 6385 if (updatedPkg == null && ps != null 6386 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 6387 /* 6388 * Check to make sure the signatures match first. If they don't, 6389 * wipe the installed application and its data. 6390 */ 6391 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 6392 != PackageManager.SIGNATURE_MATCH) { 6393 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 6394 + " signatures don't match existing userdata copy; removing"); 6395 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 6396 ps = null; 6397 } else { 6398 /* 6399 * If the newly-added system app is an older version than the 6400 * already installed version, hide it. It will be scanned later 6401 * and re-added like an update. 6402 */ 6403 if (pkg.mVersionCode <= ps.versionCode) { 6404 shouldHideSystemApp = true; 6405 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 6406 + " but new version " + pkg.mVersionCode + " better than installed " 6407 + ps.versionCode + "; hiding system"); 6408 } else { 6409 /* 6410 * The newly found system app is a newer version that the 6411 * one previously installed. Simply remove the 6412 * already-installed application and replace it with our own 6413 * while keeping the application data. 6414 */ 6415 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 6416 + " reverting from " + ps.codePathString + ": new version " 6417 + pkg.mVersionCode + " better than installed " + ps.versionCode); 6418 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 6419 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 6420 synchronized (mInstallLock) { 6421 args.cleanUpResourcesLI(); 6422 } 6423 } 6424 } 6425 } 6426 6427 // The apk is forward locked (not public) if its code and resources 6428 // are kept in different files. (except for app in either system or 6429 // vendor path). 6430 // TODO grab this value from PackageSettings 6431 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 6432 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 6433 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 6434 } 6435 } 6436 6437 // TODO: extend to support forward-locked splits 6438 String resourcePath = null; 6439 String baseResourcePath = null; 6440 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 6441 if (ps != null && ps.resourcePathString != null) { 6442 resourcePath = ps.resourcePathString; 6443 baseResourcePath = ps.resourcePathString; 6444 } else { 6445 // Should not happen at all. Just log an error. 6446 Slog.e(TAG, "Resource path not set for package " + pkg.packageName); 6447 } 6448 } else { 6449 resourcePath = pkg.codePath; 6450 baseResourcePath = pkg.baseCodePath; 6451 } 6452 6453 // Set application objects path explicitly. 6454 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 6455 pkg.applicationInfo.setCodePath(pkg.codePath); 6456 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 6457 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 6458 pkg.applicationInfo.setResourcePath(resourcePath); 6459 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 6460 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 6461 6462 // Note that we invoke the following method only if we are about to unpack an application 6463 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 6464 | SCAN_UPDATE_SIGNATURE, currentTime, user); 6465 6466 /* 6467 * If the system app should be overridden by a previously installed 6468 * data, hide the system app now and let the /data/app scan pick it up 6469 * again. 6470 */ 6471 if (shouldHideSystemApp) { 6472 synchronized (mPackages) { 6473 mSettings.disableSystemPackageLPw(pkg.packageName); 6474 } 6475 } 6476 6477 return scannedPkg; 6478 } 6479 6480 private static String fixProcessName(String defProcessName, 6481 String processName, int uid) { 6482 if (processName == null) { 6483 return defProcessName; 6484 } 6485 return processName; 6486 } 6487 6488 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 6489 throws PackageManagerException { 6490 if (pkgSetting.signatures.mSignatures != null) { 6491 // Already existing package. Make sure signatures match 6492 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 6493 == PackageManager.SIGNATURE_MATCH; 6494 if (!match) { 6495 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 6496 == PackageManager.SIGNATURE_MATCH; 6497 } 6498 if (!match) { 6499 match = compareSignaturesRecover(pkgSetting.signatures, pkg) 6500 == PackageManager.SIGNATURE_MATCH; 6501 } 6502 if (!match) { 6503 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 6504 + pkg.packageName + " signatures do not match the " 6505 + "previously installed version; ignoring!"); 6506 } 6507 } 6508 6509 // Check for shared user signatures 6510 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 6511 // Already existing package. Make sure signatures match 6512 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 6513 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 6514 if (!match) { 6515 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 6516 == PackageManager.SIGNATURE_MATCH; 6517 } 6518 if (!match) { 6519 match = compareSignaturesRecover(pkgSetting.sharedUser.signatures, pkg) 6520 == PackageManager.SIGNATURE_MATCH; 6521 } 6522 if (!match) { 6523 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 6524 "Package " + pkg.packageName 6525 + " has no signatures that match those in shared user " 6526 + pkgSetting.sharedUser.name + "; ignoring!"); 6527 } 6528 } 6529 } 6530 6531 /** 6532 * Enforces that only the system UID or root's UID can call a method exposed 6533 * via Binder. 6534 * 6535 * @param message used as message if SecurityException is thrown 6536 * @throws SecurityException if the caller is not system or root 6537 */ 6538 private static final void enforceSystemOrRoot(String message) { 6539 final int uid = Binder.getCallingUid(); 6540 if (uid != Process.SYSTEM_UID && uid != 0) { 6541 throw new SecurityException(message); 6542 } 6543 } 6544 6545 @Override 6546 public void performFstrimIfNeeded() { 6547 enforceSystemOrRoot("Only the system can request fstrim"); 6548 6549 // Before everything else, see whether we need to fstrim. 6550 try { 6551 IMountService ms = PackageHelper.getMountService(); 6552 if (ms != null) { 6553 final boolean isUpgrade = isUpgrade(); 6554 boolean doTrim = isUpgrade; 6555 if (doTrim) { 6556 Slog.w(TAG, "Running disk maintenance immediately due to system update"); 6557 } else { 6558 final long interval = android.provider.Settings.Global.getLong( 6559 mContext.getContentResolver(), 6560 android.provider.Settings.Global.FSTRIM_MANDATORY_INTERVAL, 6561 DEFAULT_MANDATORY_FSTRIM_INTERVAL); 6562 if (interval > 0) { 6563 final long timeSinceLast = System.currentTimeMillis() - ms.lastMaintenance(); 6564 if (timeSinceLast > interval) { 6565 doTrim = true; 6566 Slog.w(TAG, "No disk maintenance in " + timeSinceLast 6567 + "; running immediately"); 6568 } 6569 } 6570 } 6571 if (doTrim) { 6572 if (!isFirstBoot()) { 6573 try { 6574 ActivityManagerNative.getDefault().showBootMessage( 6575 mContext.getResources().getString( 6576 R.string.android_upgrading_fstrim), true); 6577 } catch (RemoteException e) { 6578 } 6579 } 6580 ms.runMaintenance(); 6581 } 6582 } else { 6583 Slog.e(TAG, "Mount service unavailable!"); 6584 } 6585 } catch (RemoteException e) { 6586 // Can't happen; MountService is local 6587 } 6588 } 6589 6590 private ArraySet<String> getPackageNamesForIntent(Intent intent, int userId) { 6591 List<ResolveInfo> ris = null; 6592 try { 6593 ris = AppGlobals.getPackageManager().queryIntentReceivers( 6594 intent, null, 0, userId); 6595 } catch (RemoteException e) { 6596 } 6597 ArraySet<String> pkgNames = new ArraySet<String>(); 6598 if (ris != null) { 6599 for (ResolveInfo ri : ris) { 6600 pkgNames.add(ri.activityInfo.packageName); 6601 } 6602 } 6603 return pkgNames; 6604 } 6605 6606 @Override 6607 public void notifyPackageUse(String packageName) { 6608 synchronized (mPackages) { 6609 PackageParser.Package p = mPackages.get(packageName); 6610 if (p == null) { 6611 return; 6612 } 6613 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 6614 } 6615 } 6616 6617 @Override 6618 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 6619 return performDexOptTraced(packageName, instructionSet); 6620 } 6621 6622 public boolean performDexOpt(String packageName, String instructionSet) { 6623 return performDexOptTraced(packageName, instructionSet); 6624 } 6625 6626 private boolean performDexOptTraced(String packageName, String instructionSet) { 6627 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 6628 try { 6629 return performDexOptInternal(packageName, instructionSet); 6630 } finally { 6631 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6632 } 6633 } 6634 6635 private boolean performDexOptInternal(String packageName, String instructionSet) { 6636 PackageParser.Package p; 6637 final String targetInstructionSet; 6638 synchronized (mPackages) { 6639 p = mPackages.get(packageName); 6640 if (p == null) { 6641 return false; 6642 } 6643 mPackageUsage.write(false); 6644 6645 targetInstructionSet = instructionSet != null ? instructionSet : 6646 getPrimaryInstructionSet(p.applicationInfo); 6647 if (p.mDexOptPerformed.contains(targetInstructionSet)) { 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 */); 6657 return result == PackageDexOptimizer.DEX_OPT_PERFORMED; 6658 } 6659 } finally { 6660 Binder.restoreCallingIdentity(callingId); 6661 } 6662 } 6663 6664 public ArraySet<String> getPackagesThatNeedDexOpt() { 6665 ArraySet<String> pkgs = null; 6666 synchronized (mPackages) { 6667 for (PackageParser.Package p : mPackages.values()) { 6668 if (DEBUG_DEXOPT) { 6669 Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray()); 6670 } 6671 if (!p.mDexOptPerformed.isEmpty()) { 6672 continue; 6673 } 6674 if (pkgs == null) { 6675 pkgs = new ArraySet<String>(); 6676 } 6677 pkgs.add(p.packageName); 6678 } 6679 } 6680 return pkgs; 6681 } 6682 6683 public void shutdown() { 6684 mPackageUsage.write(true); 6685 } 6686 6687 @Override 6688 public void forceDexOpt(String packageName) { 6689 enforceSystemOrRoot("forceDexOpt"); 6690 6691 PackageParser.Package pkg; 6692 synchronized (mPackages) { 6693 pkg = mPackages.get(packageName); 6694 if (pkg == null) { 6695 throw new IllegalArgumentException("Unknown package: " + packageName); 6696 } 6697 } 6698 6699 synchronized (mInstallLock) { 6700 final String[] instructionSets = new String[] { 6701 getPrimaryInstructionSet(pkg.applicationInfo) }; 6702 6703 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt"); 6704 6705 final int res = mPackageDexOptimizer.performDexOpt(pkg, instructionSets, 6706 true /* inclDependencies */); 6707 6708 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6709 if (res != PackageDexOptimizer.DEX_OPT_PERFORMED) { 6710 throw new IllegalStateException("Failed to dexopt: " + res); 6711 } 6712 } 6713 } 6714 6715 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 6716 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 6717 Slog.w(TAG, "Unable to update from " + oldPkg.name 6718 + " to " + newPkg.packageName 6719 + ": old package not in system partition"); 6720 return false; 6721 } else if (mPackages.get(oldPkg.name) != null) { 6722 Slog.w(TAG, "Unable to update from " + oldPkg.name 6723 + " to " + newPkg.packageName 6724 + ": old package still exists"); 6725 return false; 6726 } 6727 return true; 6728 } 6729 6730 private boolean removeDataDirsLI(String volumeUuid, String packageName) { 6731 // TODO: triage flags as part of 26466827 6732 final int flags = Installer.FLAG_CE_STORAGE | Installer.FLAG_DE_STORAGE; 6733 6734 boolean res = true; 6735 final int[] users = sUserManager.getUserIds(); 6736 for (int user : users) { 6737 try { 6738 mInstaller.destroyAppData(volumeUuid, packageName, user, flags); 6739 } catch (InstallerException e) { 6740 Slog.w(TAG, "Failed to delete data directory", e); 6741 res = false; 6742 } 6743 } 6744 return res; 6745 } 6746 6747 void removeCodePathLI(File codePath) { 6748 if (codePath.isDirectory()) { 6749 try { 6750 mInstaller.rmPackageDir(codePath.getAbsolutePath()); 6751 } catch (InstallerException e) { 6752 Slog.w(TAG, "Failed to remove code path", e); 6753 } 6754 } else { 6755 codePath.delete(); 6756 } 6757 } 6758 6759 void destroyAppDataLI(String volumeUuid, String packageName, int userId, int flags) { 6760 try { 6761 mInstaller.destroyAppData(volumeUuid, packageName, userId, flags); 6762 } catch (InstallerException e) { 6763 Slog.w(TAG, "Failed to destroy app data", e); 6764 } 6765 } 6766 6767 void restoreconAppDataLI(String volumeUuid, String packageName, int userId, int flags, 6768 int appId, String seinfo) { 6769 try { 6770 mInstaller.restoreconAppData(volumeUuid, packageName, userId, flags, appId, seinfo); 6771 } catch (InstallerException e) { 6772 Slog.e(TAG, "Failed to restorecon for " + packageName + ": " + e); 6773 } 6774 } 6775 6776 private void deleteCodeCacheDirsLI(String volumeUuid, String packageName) { 6777 // TODO: triage flags as part of 26466827 6778 final int flags = Installer.FLAG_CE_STORAGE | Installer.FLAG_DE_STORAGE; 6779 6780 final int[] users = sUserManager.getUserIds(); 6781 for (int user : users) { 6782 try { 6783 mInstaller.clearAppData(volumeUuid, packageName, user, 6784 flags | Installer.FLAG_CLEAR_CODE_CACHE_ONLY); 6785 } catch (InstallerException e) { 6786 Slog.w(TAG, "Failed to delete code cache directory", e); 6787 } 6788 } 6789 } 6790 6791 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 6792 PackageParser.Package changingLib) { 6793 if (file.path != null) { 6794 usesLibraryFiles.add(file.path); 6795 return; 6796 } 6797 PackageParser.Package p = mPackages.get(file.apk); 6798 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 6799 // If we are doing this while in the middle of updating a library apk, 6800 // then we need to make sure to use that new apk for determining the 6801 // dependencies here. (We haven't yet finished committing the new apk 6802 // to the package manager state.) 6803 if (p == null || p.packageName.equals(changingLib.packageName)) { 6804 p = changingLib; 6805 } 6806 } 6807 if (p != null) { 6808 usesLibraryFiles.addAll(p.getAllCodePaths()); 6809 } 6810 } 6811 6812 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 6813 PackageParser.Package changingLib) throws PackageManagerException { 6814 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 6815 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 6816 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 6817 for (int i=0; i<N; i++) { 6818 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 6819 if (file == null) { 6820 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 6821 "Package " + pkg.packageName + " requires unavailable shared library " 6822 + pkg.usesLibraries.get(i) + "; failing!"); 6823 } 6824 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 6825 } 6826 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 6827 for (int i=0; i<N; i++) { 6828 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 6829 if (file == null) { 6830 Slog.w(TAG, "Package " + pkg.packageName 6831 + " desires unavailable shared library " 6832 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 6833 } else { 6834 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 6835 } 6836 } 6837 N = usesLibraryFiles.size(); 6838 if (N > 0) { 6839 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 6840 } else { 6841 pkg.usesLibraryFiles = null; 6842 } 6843 } 6844 } 6845 6846 private static boolean hasString(List<String> list, List<String> which) { 6847 if (list == null) { 6848 return false; 6849 } 6850 for (int i=list.size()-1; i>=0; i--) { 6851 for (int j=which.size()-1; j>=0; j--) { 6852 if (which.get(j).equals(list.get(i))) { 6853 return true; 6854 } 6855 } 6856 } 6857 return false; 6858 } 6859 6860 private void updateAllSharedLibrariesLPw() { 6861 for (PackageParser.Package pkg : mPackages.values()) { 6862 try { 6863 updateSharedLibrariesLPw(pkg, null); 6864 } catch (PackageManagerException e) { 6865 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 6866 } 6867 } 6868 } 6869 6870 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 6871 PackageParser.Package changingPkg) { 6872 ArrayList<PackageParser.Package> res = null; 6873 for (PackageParser.Package pkg : mPackages.values()) { 6874 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 6875 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 6876 if (res == null) { 6877 res = new ArrayList<PackageParser.Package>(); 6878 } 6879 res.add(pkg); 6880 try { 6881 updateSharedLibrariesLPw(pkg, changingPkg); 6882 } catch (PackageManagerException e) { 6883 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 6884 } 6885 } 6886 } 6887 return res; 6888 } 6889 6890 /** 6891 * Derive the value of the {@code cpuAbiOverride} based on the provided 6892 * value and an optional stored value from the package settings. 6893 */ 6894 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 6895 String cpuAbiOverride = null; 6896 6897 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 6898 cpuAbiOverride = null; 6899 } else if (abiOverride != null) { 6900 cpuAbiOverride = abiOverride; 6901 } else if (settings != null) { 6902 cpuAbiOverride = settings.cpuAbiOverrideString; 6903 } 6904 6905 return cpuAbiOverride; 6906 } 6907 6908 private PackageParser.Package scanPackageTracedLI(PackageParser.Package pkg, int parseFlags, 6909 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6910 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "scanPackage"); 6911 try { 6912 return scanPackageLI(pkg, parseFlags, scanFlags, currentTime, user); 6913 } finally { 6914 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 6915 } 6916 } 6917 6918 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 6919 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6920 boolean success = false; 6921 try { 6922 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 6923 currentTime, user); 6924 success = true; 6925 return res; 6926 } finally { 6927 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 6928 removeDataDirsLI(pkg.volumeUuid, pkg.packageName); 6929 } 6930 } 6931 } 6932 6933 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 6934 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 6935 final File scanFile = new File(pkg.codePath); 6936 if (pkg.applicationInfo.getCodePath() == null || 6937 pkg.applicationInfo.getResourcePath() == null) { 6938 // Bail out. The resource and code paths haven't been set. 6939 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 6940 "Code and resource paths haven't been set correctly"); 6941 } 6942 6943 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 6944 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 6945 } else { 6946 // Only allow system apps to be flagged as core apps. 6947 pkg.coreApp = false; 6948 } 6949 6950 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 6951 pkg.applicationInfo.privateFlags |= ApplicationInfo.PRIVATE_FLAG_PRIVILEGED; 6952 } 6953 6954 if (mCustomResolverComponentName != null && 6955 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 6956 setUpCustomResolverActivity(pkg); 6957 } 6958 6959 if (pkg.packageName.equals("android")) { 6960 synchronized (mPackages) { 6961 if (mAndroidApplication != null) { 6962 Slog.w(TAG, "*************************************************"); 6963 Slog.w(TAG, "Core android package being redefined. Skipping."); 6964 Slog.w(TAG, " file=" + scanFile); 6965 Slog.w(TAG, "*************************************************"); 6966 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 6967 "Core android package being redefined. Skipping."); 6968 } 6969 6970 // Set up information for our fall-back user intent resolution activity. 6971 mPlatformPackage = pkg; 6972 pkg.mVersionCode = mSdkVersion; 6973 mAndroidApplication = pkg.applicationInfo; 6974 6975 if (!mResolverReplaced) { 6976 mResolveActivity.applicationInfo = mAndroidApplication; 6977 mResolveActivity.name = ResolverActivity.class.getName(); 6978 mResolveActivity.packageName = mAndroidApplication.packageName; 6979 mResolveActivity.processName = "system:ui"; 6980 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6981 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 6982 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 6983 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 6984 mResolveActivity.exported = true; 6985 mResolveActivity.enabled = true; 6986 mResolveInfo.activityInfo = mResolveActivity; 6987 mResolveInfo.priority = 0; 6988 mResolveInfo.preferredOrder = 0; 6989 mResolveInfo.match = 0; 6990 mResolveComponentName = new ComponentName( 6991 mAndroidApplication.packageName, mResolveActivity.name); 6992 } 6993 } 6994 } 6995 6996 if (DEBUG_PACKAGE_SCANNING) { 6997 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6998 Log.d(TAG, "Scanning package " + pkg.packageName); 6999 } 7000 7001 if (mPackages.containsKey(pkg.packageName) 7002 || mSharedLibraries.containsKey(pkg.packageName)) { 7003 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 7004 "Application package " + pkg.packageName 7005 + " already installed. Skipping duplicate."); 7006 } 7007 7008 // If we're only installing presumed-existing packages, require that the 7009 // scanned APK is both already known and at the path previously established 7010 // for it. Previously unknown packages we pick up normally, but if we have an 7011 // a priori expectation about this package's install presence, enforce it. 7012 // With a singular exception for new system packages. When an OTA contains 7013 // a new system package, we allow the codepath to change from a system location 7014 // to the user-installed location. If we don't allow this change, any newer, 7015 // user-installed version of the application will be ignored. 7016 if ((scanFlags & SCAN_REQUIRE_KNOWN) != 0) { 7017 if (mExpectingBetter.containsKey(pkg.packageName)) { 7018 logCriticalInfo(Log.WARN, 7019 "Relax SCAN_REQUIRE_KNOWN requirement for package " + pkg.packageName); 7020 } else { 7021 PackageSetting known = mSettings.peekPackageLPr(pkg.packageName); 7022 if (known != null) { 7023 if (DEBUG_PACKAGE_SCANNING) { 7024 Log.d(TAG, "Examining " + pkg.codePath 7025 + " and requiring known paths " + known.codePathString 7026 + " & " + known.resourcePathString); 7027 } 7028 if (!pkg.applicationInfo.getCodePath().equals(known.codePathString) 7029 || !pkg.applicationInfo.getResourcePath().equals(known.resourcePathString)) { 7030 throw new PackageManagerException(INSTALL_FAILED_PACKAGE_CHANGED, 7031 "Application package " + pkg.packageName 7032 + " found at " + pkg.applicationInfo.getCodePath() 7033 + " but expected at " + known.codePathString + "; ignoring."); 7034 } 7035 } 7036 } 7037 } 7038 7039 // Initialize package source and resource directories 7040 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 7041 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 7042 7043 SharedUserSetting suid = null; 7044 PackageSetting pkgSetting = null; 7045 7046 if (!isSystemApp(pkg)) { 7047 // Only system apps can use these features. 7048 pkg.mOriginalPackages = null; 7049 pkg.mRealPackage = null; 7050 pkg.mAdoptPermissions = null; 7051 } 7052 7053 // writer 7054 synchronized (mPackages) { 7055 if (pkg.mSharedUserId != null) { 7056 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, 0, true); 7057 if (suid == null) { 7058 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7059 "Creating application package " + pkg.packageName 7060 + " for shared user failed"); 7061 } 7062 if (DEBUG_PACKAGE_SCANNING) { 7063 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7064 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 7065 + "): packages=" + suid.packages); 7066 } 7067 } 7068 7069 // Check if we are renaming from an original package name. 7070 PackageSetting origPackage = null; 7071 String realName = null; 7072 if (pkg.mOriginalPackages != null) { 7073 // This package may need to be renamed to a previously 7074 // installed name. Let's check on that... 7075 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 7076 if (pkg.mOriginalPackages.contains(renamed)) { 7077 // This package had originally been installed as the 7078 // original name, and we have already taken care of 7079 // transitioning to the new one. Just update the new 7080 // one to continue using the old name. 7081 realName = pkg.mRealPackage; 7082 if (!pkg.packageName.equals(renamed)) { 7083 // Callers into this function may have already taken 7084 // care of renaming the package; only do it here if 7085 // it is not already done. 7086 pkg.setPackageName(renamed); 7087 } 7088 7089 } else { 7090 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 7091 if ((origPackage = mSettings.peekPackageLPr( 7092 pkg.mOriginalPackages.get(i))) != null) { 7093 // We do have the package already installed under its 7094 // original name... should we use it? 7095 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 7096 // New package is not compatible with original. 7097 origPackage = null; 7098 continue; 7099 } else if (origPackage.sharedUser != null) { 7100 // Make sure uid is compatible between packages. 7101 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 7102 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 7103 + " to " + pkg.packageName + ": old uid " 7104 + origPackage.sharedUser.name 7105 + " differs from " + pkg.mSharedUserId); 7106 origPackage = null; 7107 continue; 7108 } 7109 } else { 7110 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 7111 + pkg.packageName + " to old name " + origPackage.name); 7112 } 7113 break; 7114 } 7115 } 7116 } 7117 } 7118 7119 if (mTransferedPackages.contains(pkg.packageName)) { 7120 Slog.w(TAG, "Package " + pkg.packageName 7121 + " was transferred to another, but its .apk remains"); 7122 } 7123 7124 // Just create the setting, don't add it yet. For already existing packages 7125 // the PkgSetting exists already and doesn't have to be created. 7126 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 7127 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 7128 pkg.applicationInfo.primaryCpuAbi, 7129 pkg.applicationInfo.secondaryCpuAbi, 7130 pkg.applicationInfo.flags, pkg.applicationInfo.privateFlags, 7131 user, false); 7132 if (pkgSetting == null) { 7133 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 7134 "Creating application package " + pkg.packageName + " failed"); 7135 } 7136 7137 if (pkgSetting.origPackage != null) { 7138 // If we are first transitioning from an original package, 7139 // fix up the new package's name now. We need to do this after 7140 // looking up the package under its new name, so getPackageLP 7141 // can take care of fiddling things correctly. 7142 pkg.setPackageName(origPackage.name); 7143 7144 // File a report about this. 7145 String msg = "New package " + pkgSetting.realName 7146 + " renamed to replace old package " + pkgSetting.name; 7147 reportSettingsProblem(Log.WARN, msg); 7148 7149 // Make a note of it. 7150 mTransferedPackages.add(origPackage.name); 7151 7152 // No longer need to retain this. 7153 pkgSetting.origPackage = null; 7154 } 7155 7156 if (realName != null) { 7157 // Make a note of it. 7158 mTransferedPackages.add(pkg.packageName); 7159 } 7160 7161 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 7162 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 7163 } 7164 7165 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7166 // Check all shared libraries and map to their actual file path. 7167 // We only do this here for apps not on a system dir, because those 7168 // are the only ones that can fail an install due to this. We 7169 // will take care of the system apps by updating all of their 7170 // library paths after the scan is done. 7171 updateSharedLibrariesLPw(pkg, null); 7172 } 7173 7174 if (mFoundPolicyFile) { 7175 SELinuxMMAC.assignSeinfoValue(pkg); 7176 } 7177 7178 pkg.applicationInfo.uid = pkgSetting.appId; 7179 pkg.mExtras = pkgSetting; 7180 if (shouldCheckUpgradeKeySetLP(pkgSetting, scanFlags)) { 7181 if (checkUpgradeKeySetLP(pkgSetting, pkg)) { 7182 // We just determined the app is signed correctly, so bring 7183 // over the latest parsed certs. 7184 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7185 } else { 7186 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7187 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7188 "Package " + pkg.packageName + " upgrade keys do not match the " 7189 + "previously installed version"); 7190 } else { 7191 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7192 String msg = "System package " + pkg.packageName 7193 + " signature changed; retaining data."; 7194 reportSettingsProblem(Log.WARN, msg); 7195 } 7196 } 7197 } else { 7198 try { 7199 verifySignaturesLP(pkgSetting, pkg); 7200 // We just determined the app is signed correctly, so bring 7201 // over the latest parsed certs. 7202 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7203 } catch (PackageManagerException e) { 7204 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 7205 throw e; 7206 } 7207 // The signature has changed, but this package is in the system 7208 // image... let's recover! 7209 pkgSetting.signatures.mSignatures = pkg.mSignatures; 7210 // However... if this package is part of a shared user, but it 7211 // doesn't match the signature of the shared user, let's fail. 7212 // What this means is that you can't change the signatures 7213 // associated with an overall shared user, which doesn't seem all 7214 // that unreasonable. 7215 if (pkgSetting.sharedUser != null) { 7216 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 7217 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 7218 throw new PackageManagerException( 7219 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 7220 "Signature mismatch for shared user: " 7221 + pkgSetting.sharedUser); 7222 } 7223 } 7224 // File a report about this. 7225 String msg = "System package " + pkg.packageName 7226 + " signature changed; retaining data."; 7227 reportSettingsProblem(Log.WARN, msg); 7228 } 7229 } 7230 // Verify that this new package doesn't have any content providers 7231 // that conflict with existing packages. Only do this if the 7232 // package isn't already installed, since we don't want to break 7233 // things that are installed. 7234 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 7235 final int N = pkg.providers.size(); 7236 int i; 7237 for (i=0; i<N; i++) { 7238 PackageParser.Provider p = pkg.providers.get(i); 7239 if (p.info.authority != null) { 7240 String names[] = p.info.authority.split(";"); 7241 for (int j = 0; j < names.length; j++) { 7242 if (mProvidersByAuthority.containsKey(names[j])) { 7243 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7244 final String otherPackageName = 7245 ((other != null && other.getComponentName() != null) ? 7246 other.getComponentName().getPackageName() : "?"); 7247 throw new PackageManagerException( 7248 INSTALL_FAILED_CONFLICTING_PROVIDER, 7249 "Can't install because provider name " + names[j] 7250 + " (in package " + pkg.applicationInfo.packageName 7251 + ") is already used by " + otherPackageName); 7252 } 7253 } 7254 } 7255 } 7256 } 7257 7258 if (pkg.mAdoptPermissions != null) { 7259 // This package wants to adopt ownership of permissions from 7260 // another package. 7261 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 7262 final String origName = pkg.mAdoptPermissions.get(i); 7263 final PackageSetting orig = mSettings.peekPackageLPr(origName); 7264 if (orig != null) { 7265 if (verifyPackageUpdateLPr(orig, pkg)) { 7266 Slog.i(TAG, "Adopting permissions from " + origName + " to " 7267 + pkg.packageName); 7268 mSettings.transferPermissionsLPw(origName, pkg.packageName); 7269 } 7270 } 7271 } 7272 } 7273 } 7274 7275 final String pkgName = pkg.packageName; 7276 7277 final long scanFileTime = scanFile.lastModified(); 7278 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 7279 pkg.applicationInfo.processName = fixProcessName( 7280 pkg.applicationInfo.packageName, 7281 pkg.applicationInfo.processName, 7282 pkg.applicationInfo.uid); 7283 7284 if (pkg != mPlatformPackage) { 7285 // Get all of our default paths setup 7286 pkg.applicationInfo.initForUser(UserHandle.USER_SYSTEM); 7287 } 7288 7289 final String path = scanFile.getPath(); 7290 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 7291 7292 if ((scanFlags & SCAN_NEW_INSTALL) == 0) { 7293 derivePackageAbi(pkg, scanFile, cpuAbiOverride, true /* extract libs */); 7294 7295 // Some system apps still use directory structure for native libraries 7296 // in which case we might end up not detecting abi solely based on apk 7297 // structure. Try to detect abi based on directory structure. 7298 if (isSystemApp(pkg) && !pkg.isUpdatedSystemApp() && 7299 pkg.applicationInfo.primaryCpuAbi == null) { 7300 setBundledAppAbisAndRoots(pkg, pkgSetting); 7301 setNativeLibraryPaths(pkg); 7302 } 7303 7304 } else { 7305 if ((scanFlags & SCAN_MOVE) != 0) { 7306 // We haven't run dex-opt for this move (since we've moved the compiled output too) 7307 // but we already have this packages package info in the PackageSetting. We just 7308 // use that and derive the native library path based on the new codepath. 7309 pkg.applicationInfo.primaryCpuAbi = pkgSetting.primaryCpuAbiString; 7310 pkg.applicationInfo.secondaryCpuAbi = pkgSetting.secondaryCpuAbiString; 7311 } 7312 7313 // Set native library paths again. For moves, the path will be updated based on the 7314 // ABIs we've determined above. For non-moves, the path will be updated based on the 7315 // ABIs we determined during compilation, but the path will depend on the final 7316 // package path (after the rename away from the stage path). 7317 setNativeLibraryPaths(pkg); 7318 } 7319 7320 // This is a special case for the "system" package, where the ABI is 7321 // dictated by the zygote configuration (and init.rc). We should keep track 7322 // of this ABI so that we can deal with "normal" applications that run under 7323 // the same UID correctly. 7324 if (mPlatformPackage == pkg) { 7325 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 7326 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 7327 } 7328 7329 // If there's a mismatch between the abi-override in the package setting 7330 // and the abiOverride specified for the install. Warn about this because we 7331 // would've already compiled the app without taking the package setting into 7332 // account. 7333 if ((scanFlags & SCAN_NO_DEX) == 0 && (scanFlags & SCAN_NEW_INSTALL) != 0) { 7334 if (cpuAbiOverride == null && pkgSetting.cpuAbiOverrideString != null) { 7335 Slog.w(TAG, "Ignoring persisted ABI override " + cpuAbiOverride + 7336 " for package " + pkg.packageName); 7337 } 7338 } 7339 7340 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 7341 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 7342 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 7343 7344 // Copy the derived override back to the parsed package, so that we can 7345 // update the package settings accordingly. 7346 pkg.cpuAbiOverride = cpuAbiOverride; 7347 7348 if (DEBUG_ABI_SELECTION) { 7349 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 7350 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 7351 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 7352 } 7353 7354 // Push the derived path down into PackageSettings so we know what to 7355 // clean up at uninstall time. 7356 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 7357 7358 if (DEBUG_ABI_SELECTION) { 7359 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 7360 " primary=" + pkg.applicationInfo.primaryCpuAbi + 7361 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 7362 } 7363 7364 if ((scanFlags & SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 7365 // We don't do this here during boot because we can do it all 7366 // at once after scanning all existing packages. 7367 // 7368 // We also do this *before* we perform dexopt on this package, so that 7369 // we can avoid redundant dexopts, and also to make sure we've got the 7370 // code and package path correct. 7371 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 7372 pkg, true /* boot complete */); 7373 } 7374 7375 if (mFactoryTest && pkg.requestedPermissions.contains( 7376 android.Manifest.permission.FACTORY_TEST)) { 7377 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 7378 } 7379 7380 ArrayList<PackageParser.Package> clientLibPkgs = null; 7381 7382 // writer 7383 synchronized (mPackages) { 7384 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 7385 // Only system apps can add new shared libraries. 7386 if (pkg.libraryNames != null) { 7387 for (int i=0; i<pkg.libraryNames.size(); i++) { 7388 String name = pkg.libraryNames.get(i); 7389 boolean allowed = false; 7390 if (pkg.isUpdatedSystemApp()) { 7391 // New library entries can only be added through the 7392 // system image. This is important to get rid of a lot 7393 // of nasty edge cases: for example if we allowed a non- 7394 // system update of the app to add a library, then uninstalling 7395 // the update would make the library go away, and assumptions 7396 // we made such as through app install filtering would now 7397 // have allowed apps on the device which aren't compatible 7398 // with it. Better to just have the restriction here, be 7399 // conservative, and create many fewer cases that can negatively 7400 // impact the user experience. 7401 final PackageSetting sysPs = mSettings 7402 .getDisabledSystemPkgLPr(pkg.packageName); 7403 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 7404 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 7405 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 7406 allowed = true; 7407 break; 7408 } 7409 } 7410 } 7411 } else { 7412 allowed = true; 7413 } 7414 if (allowed) { 7415 if (!mSharedLibraries.containsKey(name)) { 7416 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 7417 } else if (!name.equals(pkg.packageName)) { 7418 Slog.w(TAG, "Package " + pkg.packageName + " library " 7419 + name + " already exists; skipping"); 7420 } 7421 } else { 7422 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 7423 + name + " that is not declared on system image; skipping"); 7424 } 7425 } 7426 if ((scanFlags & SCAN_BOOTING) == 0) { 7427 // If we are not booting, we need to update any applications 7428 // that are clients of our shared library. If we are booting, 7429 // this will all be done once the scan is complete. 7430 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 7431 } 7432 } 7433 } 7434 } 7435 7436 // Request the ActivityManager to kill the process(only for existing packages) 7437 // so that we do not end up in a confused state while the user is still using the older 7438 // version of the application while the new one gets installed. 7439 if ((scanFlags & SCAN_REPLACING) != 0) { 7440 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "killApplication"); 7441 7442 killApplication(pkg.applicationInfo.packageName, 7443 pkg.applicationInfo.uid, "replace pkg"); 7444 7445 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7446 } 7447 7448 // Also need to kill any apps that are dependent on the library. 7449 if (clientLibPkgs != null) { 7450 for (int i=0; i<clientLibPkgs.size(); i++) { 7451 PackageParser.Package clientPkg = clientLibPkgs.get(i); 7452 killApplication(clientPkg.applicationInfo.packageName, 7453 clientPkg.applicationInfo.uid, "update lib"); 7454 } 7455 } 7456 7457 // Make sure we're not adding any bogus keyset info 7458 KeySetManagerService ksms = mSettings.mKeySetManagerService; 7459 ksms.assertScannedPackageValid(pkg); 7460 7461 // writer 7462 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 7463 7464 boolean createIdmapFailed = false; 7465 synchronized (mPackages) { 7466 // We don't expect installation to fail beyond this point 7467 7468 // Add the new setting to mSettings 7469 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 7470 // Add the new setting to mPackages 7471 mPackages.put(pkg.applicationInfo.packageName, pkg); 7472 // Make sure we don't accidentally delete its data. 7473 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 7474 while (iter.hasNext()) { 7475 PackageCleanItem item = iter.next(); 7476 if (pkgName.equals(item.packageName)) { 7477 iter.remove(); 7478 } 7479 } 7480 7481 // Take care of first install / last update times. 7482 if (currentTime != 0) { 7483 if (pkgSetting.firstInstallTime == 0) { 7484 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 7485 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 7486 pkgSetting.lastUpdateTime = currentTime; 7487 } 7488 } else if (pkgSetting.firstInstallTime == 0) { 7489 // We need *something*. Take time time stamp of the file. 7490 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 7491 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 7492 if (scanFileTime != pkgSetting.timeStamp) { 7493 // A package on the system image has changed; consider this 7494 // to be an update. 7495 pkgSetting.lastUpdateTime = scanFileTime; 7496 } 7497 } 7498 7499 // Add the package's KeySets to the global KeySetManagerService 7500 ksms.addScannedPackageLPw(pkg); 7501 7502 int N = pkg.providers.size(); 7503 StringBuilder r = null; 7504 int i; 7505 for (i=0; i<N; i++) { 7506 PackageParser.Provider p = pkg.providers.get(i); 7507 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 7508 p.info.processName, pkg.applicationInfo.uid); 7509 mProviders.addProvider(p); 7510 p.syncable = p.info.isSyncable; 7511 if (p.info.authority != null) { 7512 String names[] = p.info.authority.split(";"); 7513 p.info.authority = null; 7514 for (int j = 0; j < names.length; j++) { 7515 if (j == 1 && p.syncable) { 7516 // We only want the first authority for a provider to possibly be 7517 // syncable, so if we already added this provider using a different 7518 // authority clear the syncable flag. We copy the provider before 7519 // changing it because the mProviders object contains a reference 7520 // to a provider that we don't want to change. 7521 // Only do this for the second authority since the resulting provider 7522 // object can be the same for all future authorities for this provider. 7523 p = new PackageParser.Provider(p); 7524 p.syncable = false; 7525 } 7526 if (!mProvidersByAuthority.containsKey(names[j])) { 7527 mProvidersByAuthority.put(names[j], p); 7528 if (p.info.authority == null) { 7529 p.info.authority = names[j]; 7530 } else { 7531 p.info.authority = p.info.authority + ";" + names[j]; 7532 } 7533 if (DEBUG_PACKAGE_SCANNING) { 7534 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 7535 Log.d(TAG, "Registered content provider: " + names[j] 7536 + ", className = " + p.info.name + ", isSyncable = " 7537 + p.info.isSyncable); 7538 } 7539 } else { 7540 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 7541 Slog.w(TAG, "Skipping provider name " + names[j] + 7542 " (in package " + pkg.applicationInfo.packageName + 7543 "): name already used by " 7544 + ((other != null && other.getComponentName() != null) 7545 ? other.getComponentName().getPackageName() : "?")); 7546 } 7547 } 7548 } 7549 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7550 if (r == null) { 7551 r = new StringBuilder(256); 7552 } else { 7553 r.append(' '); 7554 } 7555 r.append(p.info.name); 7556 } 7557 } 7558 if (r != null) { 7559 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 7560 } 7561 7562 N = pkg.services.size(); 7563 r = null; 7564 for (i=0; i<N; i++) { 7565 PackageParser.Service s = pkg.services.get(i); 7566 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 7567 s.info.processName, pkg.applicationInfo.uid); 7568 mServices.addService(s); 7569 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7570 if (r == null) { 7571 r = new StringBuilder(256); 7572 } else { 7573 r.append(' '); 7574 } 7575 r.append(s.info.name); 7576 } 7577 } 7578 if (r != null) { 7579 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 7580 } 7581 7582 N = pkg.receivers.size(); 7583 r = null; 7584 for (i=0; i<N; i++) { 7585 PackageParser.Activity a = pkg.receivers.get(i); 7586 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7587 a.info.processName, pkg.applicationInfo.uid); 7588 mReceivers.addActivity(a, "receiver"); 7589 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7590 if (r == null) { 7591 r = new StringBuilder(256); 7592 } else { 7593 r.append(' '); 7594 } 7595 r.append(a.info.name); 7596 } 7597 } 7598 if (r != null) { 7599 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 7600 } 7601 7602 N = pkg.activities.size(); 7603 r = null; 7604 for (i=0; i<N; i++) { 7605 PackageParser.Activity a = pkg.activities.get(i); 7606 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 7607 a.info.processName, pkg.applicationInfo.uid); 7608 mActivities.addActivity(a, "activity"); 7609 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7610 if (r == null) { 7611 r = new StringBuilder(256); 7612 } else { 7613 r.append(' '); 7614 } 7615 r.append(a.info.name); 7616 } 7617 } 7618 if (r != null) { 7619 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 7620 } 7621 7622 N = pkg.permissionGroups.size(); 7623 r = null; 7624 for (i=0; i<N; i++) { 7625 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 7626 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 7627 if (cur == null) { 7628 mPermissionGroups.put(pg.info.name, pg); 7629 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7630 if (r == null) { 7631 r = new StringBuilder(256); 7632 } else { 7633 r.append(' '); 7634 } 7635 r.append(pg.info.name); 7636 } 7637 } else { 7638 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 7639 + pg.info.packageName + " ignored: original from " 7640 + cur.info.packageName); 7641 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7642 if (r == null) { 7643 r = new StringBuilder(256); 7644 } else { 7645 r.append(' '); 7646 } 7647 r.append("DUP:"); 7648 r.append(pg.info.name); 7649 } 7650 } 7651 } 7652 if (r != null) { 7653 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 7654 } 7655 7656 N = pkg.permissions.size(); 7657 r = null; 7658 for (i=0; i<N; i++) { 7659 PackageParser.Permission p = pkg.permissions.get(i); 7660 7661 // Assume by default that we did not install this permission into the system. 7662 p.info.flags &= ~PermissionInfo.FLAG_INSTALLED; 7663 7664 // Now that permission groups have a special meaning, we ignore permission 7665 // groups for legacy apps to prevent unexpected behavior. In particular, 7666 // permissions for one app being granted to someone just becuase they happen 7667 // to be in a group defined by another app (before this had no implications). 7668 if (pkg.applicationInfo.targetSdkVersion > Build.VERSION_CODES.LOLLIPOP_MR1) { 7669 p.group = mPermissionGroups.get(p.info.group); 7670 // Warn for a permission in an unknown group. 7671 if (p.info.group != null && p.group == null) { 7672 Slog.w(TAG, "Permission " + p.info.name + " from package " 7673 + p.info.packageName + " in an unknown group " + p.info.group); 7674 } 7675 } 7676 7677 ArrayMap<String, BasePermission> permissionMap = 7678 p.tree ? mSettings.mPermissionTrees 7679 : mSettings.mPermissions; 7680 BasePermission bp = permissionMap.get(p.info.name); 7681 7682 // Allow system apps to redefine non-system permissions 7683 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 7684 final boolean currentOwnerIsSystem = (bp.perm != null 7685 && isSystemApp(bp.perm.owner)); 7686 if (isSystemApp(p.owner)) { 7687 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 7688 // It's a built-in permission and no owner, take ownership now 7689 bp.packageSetting = pkgSetting; 7690 bp.perm = p; 7691 bp.uid = pkg.applicationInfo.uid; 7692 bp.sourcePackage = p.info.packageName; 7693 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 7694 } else if (!currentOwnerIsSystem) { 7695 String msg = "New decl " + p.owner + " of permission " 7696 + p.info.name + " is system; overriding " + bp.sourcePackage; 7697 reportSettingsProblem(Log.WARN, msg); 7698 bp = null; 7699 } 7700 } 7701 } 7702 7703 if (bp == null) { 7704 bp = new BasePermission(p.info.name, p.info.packageName, 7705 BasePermission.TYPE_NORMAL); 7706 permissionMap.put(p.info.name, bp); 7707 } 7708 7709 if (bp.perm == null) { 7710 if (bp.sourcePackage == null 7711 || bp.sourcePackage.equals(p.info.packageName)) { 7712 BasePermission tree = findPermissionTreeLP(p.info.name); 7713 if (tree == null 7714 || tree.sourcePackage.equals(p.info.packageName)) { 7715 bp.packageSetting = pkgSetting; 7716 bp.perm = p; 7717 bp.uid = pkg.applicationInfo.uid; 7718 bp.sourcePackage = p.info.packageName; 7719 p.info.flags |= PermissionInfo.FLAG_INSTALLED; 7720 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7721 if (r == null) { 7722 r = new StringBuilder(256); 7723 } else { 7724 r.append(' '); 7725 } 7726 r.append(p.info.name); 7727 } 7728 } else { 7729 Slog.w(TAG, "Permission " + p.info.name + " from package " 7730 + p.info.packageName + " ignored: base tree " 7731 + tree.name + " is from package " 7732 + tree.sourcePackage); 7733 } 7734 } else { 7735 Slog.w(TAG, "Permission " + p.info.name + " from package " 7736 + p.info.packageName + " ignored: original from " 7737 + bp.sourcePackage); 7738 } 7739 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7740 if (r == null) { 7741 r = new StringBuilder(256); 7742 } else { 7743 r.append(' '); 7744 } 7745 r.append("DUP:"); 7746 r.append(p.info.name); 7747 } 7748 if (bp.perm == p) { 7749 bp.protectionLevel = p.info.protectionLevel; 7750 } 7751 } 7752 7753 if (r != null) { 7754 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 7755 } 7756 7757 N = pkg.instrumentation.size(); 7758 r = null; 7759 for (i=0; i<N; i++) { 7760 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 7761 a.info.packageName = pkg.applicationInfo.packageName; 7762 a.info.sourceDir = pkg.applicationInfo.sourceDir; 7763 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 7764 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 7765 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 7766 a.info.dataDir = pkg.applicationInfo.dataDir; 7767 a.info.deviceEncryptedDataDir = pkg.applicationInfo.deviceEncryptedDataDir; 7768 a.info.credentialEncryptedDataDir = pkg.applicationInfo.credentialEncryptedDataDir; 7769 7770 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 7771 // need other information about the application, like the ABI and what not ? 7772 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 7773 mInstrumentation.put(a.getComponentName(), a); 7774 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 7775 if (r == null) { 7776 r = new StringBuilder(256); 7777 } else { 7778 r.append(' '); 7779 } 7780 r.append(a.info.name); 7781 } 7782 } 7783 if (r != null) { 7784 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 7785 } 7786 7787 if (pkg.protectedBroadcasts != null) { 7788 N = pkg.protectedBroadcasts.size(); 7789 for (i=0; i<N; i++) { 7790 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 7791 } 7792 } 7793 7794 pkgSetting.setTimeStamp(scanFileTime); 7795 7796 // Create idmap files for pairs of (packages, overlay packages). 7797 // Note: "android", ie framework-res.apk, is handled by native layers. 7798 if (pkg.mOverlayTarget != null) { 7799 // This is an overlay package. 7800 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 7801 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 7802 mOverlays.put(pkg.mOverlayTarget, 7803 new ArrayMap<String, PackageParser.Package>()); 7804 } 7805 ArrayMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 7806 map.put(pkg.packageName, pkg); 7807 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 7808 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 7809 createIdmapFailed = true; 7810 } 7811 } 7812 } else if (mOverlays.containsKey(pkg.packageName) && 7813 !pkg.packageName.equals("android")) { 7814 // This is a regular package, with one or more known overlay packages. 7815 createIdmapsForPackageLI(pkg); 7816 } 7817 } 7818 7819 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 7820 7821 if (createIdmapFailed) { 7822 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 7823 "scanPackageLI failed to createIdmap"); 7824 } 7825 return pkg; 7826 } 7827 7828 /** 7829 * Derive the ABI of a non-system package located at {@code scanFile}. This information 7830 * is derived purely on the basis of the contents of {@code scanFile} and 7831 * {@code cpuAbiOverride}. 7832 * 7833 * If {@code extractLibs} is true, native libraries are extracted from the app if required. 7834 */ 7835 public void derivePackageAbi(PackageParser.Package pkg, File scanFile, 7836 String cpuAbiOverride, boolean extractLibs) 7837 throws PackageManagerException { 7838 // TODO: We can probably be smarter about this stuff. For installed apps, 7839 // we can calculate this information at install time once and for all. For 7840 // system apps, we can probably assume that this information doesn't change 7841 // after the first boot scan. As things stand, we do lots of unnecessary work. 7842 7843 // Give ourselves some initial paths; we'll come back for another 7844 // pass once we've determined ABI below. 7845 setNativeLibraryPaths(pkg); 7846 7847 // We would never need to extract libs for forward-locked and external packages, 7848 // since the container service will do it for us. We shouldn't attempt to 7849 // extract libs from system app when it was not updated. 7850 if (pkg.isForwardLocked() || pkg.applicationInfo.isExternalAsec() || 7851 (isSystemApp(pkg) && !pkg.isUpdatedSystemApp())) { 7852 extractLibs = false; 7853 } 7854 7855 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 7856 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 7857 7858 NativeLibraryHelper.Handle handle = null; 7859 try { 7860 handle = NativeLibraryHelper.Handle.create(pkg); 7861 // TODO(multiArch): This can be null for apps that didn't go through the 7862 // usual installation process. We can calculate it again, like we 7863 // do during install time. 7864 // 7865 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 7866 // unnecessary. 7867 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 7868 7869 // Null out the abis so that they can be recalculated. 7870 pkg.applicationInfo.primaryCpuAbi = null; 7871 pkg.applicationInfo.secondaryCpuAbi = null; 7872 if (isMultiArch(pkg.applicationInfo)) { 7873 // Warn if we've set an abiOverride for multi-lib packages.. 7874 // By definition, we need to copy both 32 and 64 bit libraries for 7875 // such packages. 7876 if (pkg.cpuAbiOverride != null 7877 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 7878 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 7879 } 7880 7881 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 7882 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 7883 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 7884 if (extractLibs) { 7885 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7886 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 7887 useIsaSpecificSubdirs); 7888 } else { 7889 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 7890 } 7891 } 7892 7893 maybeThrowExceptionForMultiArchCopy( 7894 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 7895 7896 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 7897 if (extractLibs) { 7898 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7899 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 7900 useIsaSpecificSubdirs); 7901 } else { 7902 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 7903 } 7904 } 7905 7906 maybeThrowExceptionForMultiArchCopy( 7907 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 7908 7909 if (abi64 >= 0) { 7910 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 7911 } 7912 7913 if (abi32 >= 0) { 7914 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 7915 if (abi64 >= 0) { 7916 pkg.applicationInfo.secondaryCpuAbi = abi; 7917 } else { 7918 pkg.applicationInfo.primaryCpuAbi = abi; 7919 } 7920 } 7921 } else { 7922 String[] abiList = (cpuAbiOverride != null) ? 7923 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 7924 7925 // Enable gross and lame hacks for apps that are built with old 7926 // SDK tools. We must scan their APKs for renderscript bitcode and 7927 // not launch them if it's present. Don't bother checking on devices 7928 // that don't have 64 bit support. 7929 boolean needsRenderScriptOverride = false; 7930 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 7931 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 7932 abiList = Build.SUPPORTED_32_BIT_ABIS; 7933 needsRenderScriptOverride = true; 7934 } 7935 7936 final int copyRet; 7937 if (extractLibs) { 7938 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 7939 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 7940 } else { 7941 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 7942 } 7943 7944 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 7945 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 7946 "Error unpackaging native libs for app, errorCode=" + copyRet); 7947 } 7948 7949 if (copyRet >= 0) { 7950 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 7951 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 7952 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 7953 } else if (needsRenderScriptOverride) { 7954 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 7955 } 7956 } 7957 } catch (IOException ioe) { 7958 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 7959 } finally { 7960 IoUtils.closeQuietly(handle); 7961 } 7962 7963 // Now that we've calculated the ABIs and determined if it's an internal app, 7964 // we will go ahead and populate the nativeLibraryPath. 7965 setNativeLibraryPaths(pkg); 7966 } 7967 7968 /** 7969 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 7970 * i.e, so that all packages can be run inside a single process if required. 7971 * 7972 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 7973 * this function will either try and make the ABI for all packages in {@code packagesForUser} 7974 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 7975 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 7976 * updating a package that belongs to a shared user. 7977 * 7978 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 7979 * adds unnecessary complexity. 7980 */ 7981 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 7982 PackageParser.Package scannedPackage, boolean bootComplete) { 7983 String requiredInstructionSet = null; 7984 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 7985 requiredInstructionSet = VMRuntime.getInstructionSet( 7986 scannedPackage.applicationInfo.primaryCpuAbi); 7987 } 7988 7989 PackageSetting requirer = null; 7990 for (PackageSetting ps : packagesForUser) { 7991 // If packagesForUser contains scannedPackage, we skip it. This will happen 7992 // when scannedPackage is an update of an existing package. Without this check, 7993 // we will never be able to change the ABI of any package belonging to a shared 7994 // user, even if it's compatible with other packages. 7995 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 7996 if (ps.primaryCpuAbiString == null) { 7997 continue; 7998 } 7999 8000 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 8001 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 8002 // We have a mismatch between instruction sets (say arm vs arm64) warn about 8003 // this but there's not much we can do. 8004 String errorMessage = "Instruction set mismatch, " 8005 + ((requirer == null) ? "[caller]" : requirer) 8006 + " requires " + requiredInstructionSet + " whereas " + ps 8007 + " requires " + instructionSet; 8008 Slog.w(TAG, errorMessage); 8009 } 8010 8011 if (requiredInstructionSet == null) { 8012 requiredInstructionSet = instructionSet; 8013 requirer = ps; 8014 } 8015 } 8016 } 8017 8018 if (requiredInstructionSet != null) { 8019 String adjustedAbi; 8020 if (requirer != null) { 8021 // requirer != null implies that either scannedPackage was null or that scannedPackage 8022 // did not require an ABI, in which case we have to adjust scannedPackage to match 8023 // the ABI of the set (which is the same as requirer's ABI) 8024 adjustedAbi = requirer.primaryCpuAbiString; 8025 if (scannedPackage != null) { 8026 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 8027 } 8028 } else { 8029 // requirer == null implies that we're updating all ABIs in the set to 8030 // match scannedPackage. 8031 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 8032 } 8033 8034 for (PackageSetting ps : packagesForUser) { 8035 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 8036 if (ps.primaryCpuAbiString != null) { 8037 continue; 8038 } 8039 8040 ps.primaryCpuAbiString = adjustedAbi; 8041 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 8042 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 8043 Slog.i(TAG, "Adjusting ABI for " + ps.name + " to " + adjustedAbi); 8044 try { 8045 mInstaller.rmdex(ps.codePathString, 8046 getDexCodeInstructionSet(getPreferredInstructionSet())); 8047 } catch (InstallerException ignored) { 8048 } 8049 } 8050 } 8051 } 8052 } 8053 } 8054 8055 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 8056 synchronized (mPackages) { 8057 mResolverReplaced = true; 8058 // Set up information for custom user intent resolution activity. 8059 mResolveActivity.applicationInfo = pkg.applicationInfo; 8060 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 8061 mResolveActivity.packageName = pkg.applicationInfo.packageName; 8062 mResolveActivity.processName = pkg.applicationInfo.packageName; 8063 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8064 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8065 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8066 mResolveActivity.theme = 0; 8067 mResolveActivity.exported = true; 8068 mResolveActivity.enabled = true; 8069 mResolveInfo.activityInfo = mResolveActivity; 8070 mResolveInfo.priority = 0; 8071 mResolveInfo.preferredOrder = 0; 8072 mResolveInfo.match = 0; 8073 mResolveComponentName = mCustomResolverComponentName; 8074 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 8075 mResolveComponentName); 8076 } 8077 } 8078 8079 private void setUpEphemeralInstallerActivityLP(ComponentName installerComponent) { 8080 final PackageParser.Package pkg = mPackages.get(installerComponent.getPackageName()); 8081 8082 // Set up information for ephemeral installer activity 8083 mEphemeralInstallerActivity.applicationInfo = pkg.applicationInfo; 8084 mEphemeralInstallerActivity.name = mEphemeralInstallerComponent.getClassName(); 8085 mEphemeralInstallerActivity.packageName = pkg.applicationInfo.packageName; 8086 mEphemeralInstallerActivity.processName = pkg.applicationInfo.packageName; 8087 mEphemeralInstallerActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 8088 mEphemeralInstallerActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 8089 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 8090 mEphemeralInstallerActivity.theme = 0; 8091 mEphemeralInstallerActivity.exported = true; 8092 mEphemeralInstallerActivity.enabled = true; 8093 mEphemeralInstallerInfo.activityInfo = mEphemeralInstallerActivity; 8094 mEphemeralInstallerInfo.priority = 0; 8095 mEphemeralInstallerInfo.preferredOrder = 0; 8096 mEphemeralInstallerInfo.match = 0; 8097 8098 if (DEBUG_EPHEMERAL) { 8099 Slog.d(TAG, "Set ephemeral installer activity: " + mEphemeralInstallerComponent); 8100 } 8101 } 8102 8103 private static String calculateBundledApkRoot(final String codePathString) { 8104 final File codePath = new File(codePathString); 8105 final File codeRoot; 8106 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 8107 codeRoot = Environment.getRootDirectory(); 8108 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 8109 codeRoot = Environment.getOemDirectory(); 8110 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 8111 codeRoot = Environment.getVendorDirectory(); 8112 } else { 8113 // Unrecognized code path; take its top real segment as the apk root: 8114 // e.g. /something/app/blah.apk => /something 8115 try { 8116 File f = codePath.getCanonicalFile(); 8117 File parent = f.getParentFile(); // non-null because codePath is a file 8118 File tmp; 8119 while ((tmp = parent.getParentFile()) != null) { 8120 f = parent; 8121 parent = tmp; 8122 } 8123 codeRoot = f; 8124 Slog.w(TAG, "Unrecognized code path " 8125 + codePath + " - using " + codeRoot); 8126 } catch (IOException e) { 8127 // Can't canonicalize the code path -- shenanigans? 8128 Slog.w(TAG, "Can't canonicalize code path " + codePath); 8129 return Environment.getRootDirectory().getPath(); 8130 } 8131 } 8132 return codeRoot.getPath(); 8133 } 8134 8135 /** 8136 * Derive and set the location of native libraries for the given package, 8137 * which varies depending on where and how the package was installed. 8138 */ 8139 private void setNativeLibraryPaths(PackageParser.Package pkg) { 8140 final ApplicationInfo info = pkg.applicationInfo; 8141 final String codePath = pkg.codePath; 8142 final File codeFile = new File(codePath); 8143 final boolean bundledApp = info.isSystemApp() && !info.isUpdatedSystemApp(); 8144 final boolean asecApp = info.isForwardLocked() || info.isExternalAsec(); 8145 8146 info.nativeLibraryRootDir = null; 8147 info.nativeLibraryRootRequiresIsa = false; 8148 info.nativeLibraryDir = null; 8149 info.secondaryNativeLibraryDir = null; 8150 8151 if (isApkFile(codeFile)) { 8152 // Monolithic install 8153 if (bundledApp) { 8154 // If "/system/lib64/apkname" exists, assume that is the per-package 8155 // native library directory to use; otherwise use "/system/lib/apkname". 8156 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 8157 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 8158 getPrimaryInstructionSet(info)); 8159 8160 // This is a bundled system app so choose the path based on the ABI. 8161 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 8162 // is just the default path. 8163 final String apkName = deriveCodePathName(codePath); 8164 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 8165 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 8166 apkName).getAbsolutePath(); 8167 8168 if (info.secondaryCpuAbi != null) { 8169 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 8170 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 8171 secondaryLibDir, apkName).getAbsolutePath(); 8172 } 8173 } else if (asecApp) { 8174 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 8175 .getAbsolutePath(); 8176 } else { 8177 final String apkName = deriveCodePathName(codePath); 8178 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 8179 .getAbsolutePath(); 8180 } 8181 8182 info.nativeLibraryRootRequiresIsa = false; 8183 info.nativeLibraryDir = info.nativeLibraryRootDir; 8184 } else { 8185 // Cluster install 8186 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 8187 info.nativeLibraryRootRequiresIsa = true; 8188 8189 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 8190 getPrimaryInstructionSet(info)).getAbsolutePath(); 8191 8192 if (info.secondaryCpuAbi != null) { 8193 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 8194 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 8195 } 8196 } 8197 } 8198 8199 /** 8200 * Calculate the abis and roots for a bundled app. These can uniquely 8201 * be determined from the contents of the system partition, i.e whether 8202 * it contains 64 or 32 bit shared libraries etc. We do not validate any 8203 * of this information, and instead assume that the system was built 8204 * sensibly. 8205 */ 8206 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 8207 PackageSetting pkgSetting) { 8208 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 8209 8210 // If "/system/lib64/apkname" exists, assume that is the per-package 8211 // native library directory to use; otherwise use "/system/lib/apkname". 8212 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 8213 setBundledAppAbi(pkg, apkRoot, apkName); 8214 // pkgSetting might be null during rescan following uninstall of updates 8215 // to a bundled app, so accommodate that possibility. The settings in 8216 // that case will be established later from the parsed package. 8217 // 8218 // If the settings aren't null, sync them up with what we've just derived. 8219 // note that apkRoot isn't stored in the package settings. 8220 if (pkgSetting != null) { 8221 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 8222 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 8223 } 8224 } 8225 8226 /** 8227 * Deduces the ABI of a bundled app and sets the relevant fields on the 8228 * parsed pkg object. 8229 * 8230 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 8231 * under which system libraries are installed. 8232 * @param apkName the name of the installed package. 8233 */ 8234 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 8235 final File codeFile = new File(pkg.codePath); 8236 8237 final boolean has64BitLibs; 8238 final boolean has32BitLibs; 8239 if (isApkFile(codeFile)) { 8240 // Monolithic install 8241 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 8242 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 8243 } else { 8244 // Cluster install 8245 final File rootDir = new File(codeFile, LIB_DIR_NAME); 8246 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 8247 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 8248 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 8249 has64BitLibs = (new File(rootDir, isa)).exists(); 8250 } else { 8251 has64BitLibs = false; 8252 } 8253 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 8254 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 8255 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 8256 has32BitLibs = (new File(rootDir, isa)).exists(); 8257 } else { 8258 has32BitLibs = false; 8259 } 8260 } 8261 8262 if (has64BitLibs && !has32BitLibs) { 8263 // The package has 64 bit libs, but not 32 bit libs. Its primary 8264 // ABI should be 64 bit. We can safely assume here that the bundled 8265 // native libraries correspond to the most preferred ABI in the list. 8266 8267 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8268 pkg.applicationInfo.secondaryCpuAbi = null; 8269 } else if (has32BitLibs && !has64BitLibs) { 8270 // The package has 32 bit libs but not 64 bit libs. Its primary 8271 // ABI should be 32 bit. 8272 8273 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8274 pkg.applicationInfo.secondaryCpuAbi = null; 8275 } else if (has32BitLibs && has64BitLibs) { 8276 // The application has both 64 and 32 bit bundled libraries. We check 8277 // here that the app declares multiArch support, and warn if it doesn't. 8278 // 8279 // We will be lenient here and record both ABIs. The primary will be the 8280 // ABI that's higher on the list, i.e, a device that's configured to prefer 8281 // 64 bit apps will see a 64 bit primary ABI, 8282 8283 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 8284 Slog.e(TAG, "Package " + pkg + " has multiple bundled libs, but is not multiarch."); 8285 } 8286 8287 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 8288 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8289 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8290 } else { 8291 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 8292 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 8293 } 8294 } else { 8295 pkg.applicationInfo.primaryCpuAbi = null; 8296 pkg.applicationInfo.secondaryCpuAbi = null; 8297 } 8298 } 8299 8300 private void killApplication(String pkgName, int appId, String reason) { 8301 // Request the ActivityManager to kill the process(only for existing packages) 8302 // so that we do not end up in a confused state while the user is still using the older 8303 // version of the application while the new one gets installed. 8304 IActivityManager am = ActivityManagerNative.getDefault(); 8305 if (am != null) { 8306 try { 8307 am.killApplicationWithAppId(pkgName, appId, reason); 8308 } catch (RemoteException e) { 8309 } 8310 } 8311 } 8312 8313 void removePackageLI(PackageSetting ps, boolean chatty) { 8314 if (DEBUG_INSTALL) { 8315 if (chatty) 8316 Log.d(TAG, "Removing package " + ps.name); 8317 } 8318 8319 // writer 8320 synchronized (mPackages) { 8321 mPackages.remove(ps.name); 8322 final PackageParser.Package pkg = ps.pkg; 8323 if (pkg != null) { 8324 cleanPackageDataStructuresLILPw(pkg, chatty); 8325 } 8326 } 8327 } 8328 8329 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 8330 if (DEBUG_INSTALL) { 8331 if (chatty) 8332 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 8333 } 8334 8335 // writer 8336 synchronized (mPackages) { 8337 mPackages.remove(pkg.applicationInfo.packageName); 8338 cleanPackageDataStructuresLILPw(pkg, chatty); 8339 } 8340 } 8341 8342 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 8343 int N = pkg.providers.size(); 8344 StringBuilder r = null; 8345 int i; 8346 for (i=0; i<N; i++) { 8347 PackageParser.Provider p = pkg.providers.get(i); 8348 mProviders.removeProvider(p); 8349 if (p.info.authority == null) { 8350 8351 /* There was another ContentProvider with this authority when 8352 * this app was installed so this authority is null, 8353 * Ignore it as we don't have to unregister the provider. 8354 */ 8355 continue; 8356 } 8357 String names[] = p.info.authority.split(";"); 8358 for (int j = 0; j < names.length; j++) { 8359 if (mProvidersByAuthority.get(names[j]) == p) { 8360 mProvidersByAuthority.remove(names[j]); 8361 if (DEBUG_REMOVE) { 8362 if (chatty) 8363 Log.d(TAG, "Unregistered content provider: " + names[j] 8364 + ", className = " + p.info.name + ", isSyncable = " 8365 + p.info.isSyncable); 8366 } 8367 } 8368 } 8369 if (DEBUG_REMOVE && chatty) { 8370 if (r == null) { 8371 r = new StringBuilder(256); 8372 } else { 8373 r.append(' '); 8374 } 8375 r.append(p.info.name); 8376 } 8377 } 8378 if (r != null) { 8379 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 8380 } 8381 8382 N = pkg.services.size(); 8383 r = null; 8384 for (i=0; i<N; i++) { 8385 PackageParser.Service s = pkg.services.get(i); 8386 mServices.removeService(s); 8387 if (chatty) { 8388 if (r == null) { 8389 r = new StringBuilder(256); 8390 } else { 8391 r.append(' '); 8392 } 8393 r.append(s.info.name); 8394 } 8395 } 8396 if (r != null) { 8397 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 8398 } 8399 8400 N = pkg.receivers.size(); 8401 r = null; 8402 for (i=0; i<N; i++) { 8403 PackageParser.Activity a = pkg.receivers.get(i); 8404 mReceivers.removeActivity(a, "receiver"); 8405 if (DEBUG_REMOVE && chatty) { 8406 if (r == null) { 8407 r = new StringBuilder(256); 8408 } else { 8409 r.append(' '); 8410 } 8411 r.append(a.info.name); 8412 } 8413 } 8414 if (r != null) { 8415 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 8416 } 8417 8418 N = pkg.activities.size(); 8419 r = null; 8420 for (i=0; i<N; i++) { 8421 PackageParser.Activity a = pkg.activities.get(i); 8422 mActivities.removeActivity(a, "activity"); 8423 if (DEBUG_REMOVE && chatty) { 8424 if (r == null) { 8425 r = new StringBuilder(256); 8426 } else { 8427 r.append(' '); 8428 } 8429 r.append(a.info.name); 8430 } 8431 } 8432 if (r != null) { 8433 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 8434 } 8435 8436 N = pkg.permissions.size(); 8437 r = null; 8438 for (i=0; i<N; i++) { 8439 PackageParser.Permission p = pkg.permissions.get(i); 8440 BasePermission bp = mSettings.mPermissions.get(p.info.name); 8441 if (bp == null) { 8442 bp = mSettings.mPermissionTrees.get(p.info.name); 8443 } 8444 if (bp != null && bp.perm == p) { 8445 bp.perm = null; 8446 if (DEBUG_REMOVE && chatty) { 8447 if (r == null) { 8448 r = new StringBuilder(256); 8449 } else { 8450 r.append(' '); 8451 } 8452 r.append(p.info.name); 8453 } 8454 } 8455 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8456 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(p.info.name); 8457 if (appOpPkgs != null) { 8458 appOpPkgs.remove(pkg.packageName); 8459 } 8460 } 8461 } 8462 if (r != null) { 8463 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8464 } 8465 8466 N = pkg.requestedPermissions.size(); 8467 r = null; 8468 for (i=0; i<N; i++) { 8469 String perm = pkg.requestedPermissions.get(i); 8470 BasePermission bp = mSettings.mPermissions.get(perm); 8471 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8472 ArraySet<String> appOpPkgs = mAppOpPermissionPackages.get(perm); 8473 if (appOpPkgs != null) { 8474 appOpPkgs.remove(pkg.packageName); 8475 if (appOpPkgs.isEmpty()) { 8476 mAppOpPermissionPackages.remove(perm); 8477 } 8478 } 8479 } 8480 } 8481 if (r != null) { 8482 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 8483 } 8484 8485 N = pkg.instrumentation.size(); 8486 r = null; 8487 for (i=0; i<N; i++) { 8488 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 8489 mInstrumentation.remove(a.getComponentName()); 8490 if (DEBUG_REMOVE && chatty) { 8491 if (r == null) { 8492 r = new StringBuilder(256); 8493 } else { 8494 r.append(' '); 8495 } 8496 r.append(a.info.name); 8497 } 8498 } 8499 if (r != null) { 8500 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 8501 } 8502 8503 r = null; 8504 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 8505 // Only system apps can hold shared libraries. 8506 if (pkg.libraryNames != null) { 8507 for (i=0; i<pkg.libraryNames.size(); i++) { 8508 String name = pkg.libraryNames.get(i); 8509 SharedLibraryEntry cur = mSharedLibraries.get(name); 8510 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 8511 mSharedLibraries.remove(name); 8512 if (DEBUG_REMOVE && chatty) { 8513 if (r == null) { 8514 r = new StringBuilder(256); 8515 } else { 8516 r.append(' '); 8517 } 8518 r.append(name); 8519 } 8520 } 8521 } 8522 } 8523 } 8524 if (r != null) { 8525 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 8526 } 8527 } 8528 8529 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 8530 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 8531 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 8532 return true; 8533 } 8534 } 8535 return false; 8536 } 8537 8538 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 8539 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 8540 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 8541 8542 private void updatePermissionsLPw(String changingPkg, PackageParser.Package pkgInfo, 8543 int flags) { 8544 final String volumeUuid = (pkgInfo != null) ? getVolumeUuidForPackage(pkgInfo) : null; 8545 updatePermissionsLPw(changingPkg, pkgInfo, volumeUuid, flags); 8546 } 8547 8548 private void updatePermissionsLPw(String changingPkg, 8549 PackageParser.Package pkgInfo, String replaceVolumeUuid, int flags) { 8550 // Make sure there are no dangling permission trees. 8551 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 8552 while (it.hasNext()) { 8553 final BasePermission bp = it.next(); 8554 if (bp.packageSetting == null) { 8555 // We may not yet have parsed the package, so just see if 8556 // we still know about its settings. 8557 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 8558 } 8559 if (bp.packageSetting == null) { 8560 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 8561 + " from package " + bp.sourcePackage); 8562 it.remove(); 8563 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 8564 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 8565 Slog.i(TAG, "Removing old permission tree: " + bp.name 8566 + " from package " + bp.sourcePackage); 8567 flags |= UPDATE_PERMISSIONS_ALL; 8568 it.remove(); 8569 } 8570 } 8571 } 8572 8573 // Make sure all dynamic permissions have been assigned to a package, 8574 // and make sure there are no dangling permissions. 8575 it = mSettings.mPermissions.values().iterator(); 8576 while (it.hasNext()) { 8577 final BasePermission bp = it.next(); 8578 if (bp.type == BasePermission.TYPE_DYNAMIC) { 8579 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 8580 + bp.name + " pkg=" + bp.sourcePackage 8581 + " info=" + bp.pendingInfo); 8582 if (bp.packageSetting == null && bp.pendingInfo != null) { 8583 final BasePermission tree = findPermissionTreeLP(bp.name); 8584 if (tree != null && tree.perm != null) { 8585 bp.packageSetting = tree.packageSetting; 8586 bp.perm = new PackageParser.Permission(tree.perm.owner, 8587 new PermissionInfo(bp.pendingInfo)); 8588 bp.perm.info.packageName = tree.perm.info.packageName; 8589 bp.perm.info.name = bp.name; 8590 bp.uid = tree.uid; 8591 } 8592 } 8593 } 8594 if (bp.packageSetting == null) { 8595 // We may not yet have parsed the package, so just see if 8596 // we still know about its settings. 8597 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 8598 } 8599 if (bp.packageSetting == null) { 8600 Slog.w(TAG, "Removing dangling permission: " + bp.name 8601 + " from package " + bp.sourcePackage); 8602 it.remove(); 8603 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 8604 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 8605 Slog.i(TAG, "Removing old permission: " + bp.name 8606 + " from package " + bp.sourcePackage); 8607 flags |= UPDATE_PERMISSIONS_ALL; 8608 it.remove(); 8609 } 8610 } 8611 } 8612 8613 // Now update the permissions for all packages, in particular 8614 // replace the granted permissions of the system packages. 8615 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 8616 for (PackageParser.Package pkg : mPackages.values()) { 8617 if (pkg != pkgInfo) { 8618 // Only replace for packages on requested volume 8619 final String volumeUuid = getVolumeUuidForPackage(pkg); 8620 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_ALL) != 0) 8621 && Objects.equals(replaceVolumeUuid, volumeUuid); 8622 grantPermissionsLPw(pkg, replace, changingPkg); 8623 } 8624 } 8625 } 8626 8627 if (pkgInfo != null) { 8628 // Only replace for packages on requested volume 8629 final String volumeUuid = getVolumeUuidForPackage(pkgInfo); 8630 final boolean replace = ((flags & UPDATE_PERMISSIONS_REPLACE_PKG) != 0) 8631 && Objects.equals(replaceVolumeUuid, volumeUuid); 8632 grantPermissionsLPw(pkgInfo, replace, changingPkg); 8633 } 8634 } 8635 8636 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 8637 String packageOfInterest) { 8638 // IMPORTANT: There are two types of permissions: install and runtime. 8639 // Install time permissions are granted when the app is installed to 8640 // all device users and users added in the future. Runtime permissions 8641 // are granted at runtime explicitly to specific users. Normal and signature 8642 // protected permissions are install time permissions. Dangerous permissions 8643 // are install permissions if the app's target SDK is Lollipop MR1 or older, 8644 // otherwise they are runtime permissions. This function does not manage 8645 // runtime permissions except for the case an app targeting Lollipop MR1 8646 // being upgraded to target a newer SDK, in which case dangerous permissions 8647 // are transformed from install time to runtime ones. 8648 8649 final PackageSetting ps = (PackageSetting) pkg.mExtras; 8650 if (ps == null) { 8651 return; 8652 } 8653 8654 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "grantPermissions"); 8655 8656 PermissionsState permissionsState = ps.getPermissionsState(); 8657 PermissionsState origPermissions = permissionsState; 8658 8659 final int[] currentUserIds = UserManagerService.getInstance().getUserIds(); 8660 8661 boolean runtimePermissionsRevoked = false; 8662 int[] changedRuntimePermissionUserIds = EMPTY_INT_ARRAY; 8663 8664 boolean changedInstallPermission = false; 8665 8666 if (replace) { 8667 ps.installPermissionsFixed = false; 8668 if (!ps.isSharedUser()) { 8669 origPermissions = new PermissionsState(permissionsState); 8670 permissionsState.reset(); 8671 } else { 8672 // We need to know only about runtime permission changes since the 8673 // calling code always writes the install permissions state but 8674 // the runtime ones are written only if changed. The only cases of 8675 // changed runtime permissions here are promotion of an install to 8676 // runtime and revocation of a runtime from a shared user. 8677 changedRuntimePermissionUserIds = revokeUnusedSharedUserPermissionsLPw( 8678 ps.sharedUser, UserManagerService.getInstance().getUserIds()); 8679 if (!ArrayUtils.isEmpty(changedRuntimePermissionUserIds)) { 8680 runtimePermissionsRevoked = true; 8681 } 8682 } 8683 } 8684 8685 permissionsState.setGlobalGids(mGlobalGids); 8686 8687 final int N = pkg.requestedPermissions.size(); 8688 for (int i=0; i<N; i++) { 8689 final String name = pkg.requestedPermissions.get(i); 8690 final BasePermission bp = mSettings.mPermissions.get(name); 8691 8692 if (DEBUG_INSTALL) { 8693 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 8694 } 8695 8696 if (bp == null || bp.packageSetting == null) { 8697 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 8698 Slog.w(TAG, "Unknown permission " + name 8699 + " in package " + pkg.packageName); 8700 } 8701 continue; 8702 } 8703 8704 final String perm = bp.name; 8705 boolean allowedSig = false; 8706 int grant = GRANT_DENIED; 8707 8708 // Keep track of app op permissions. 8709 if ((bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 8710 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 8711 if (pkgs == null) { 8712 pkgs = new ArraySet<>(); 8713 mAppOpPermissionPackages.put(bp.name, pkgs); 8714 } 8715 pkgs.add(pkg.packageName); 8716 } 8717 8718 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 8719 final boolean appSupportsRuntimePermissions = pkg.applicationInfo.targetSdkVersion 8720 >= Build.VERSION_CODES.M; 8721 switch (level) { 8722 case PermissionInfo.PROTECTION_NORMAL: { 8723 // For all apps normal permissions are install time ones. 8724 grant = GRANT_INSTALL; 8725 } break; 8726 8727 case PermissionInfo.PROTECTION_DANGEROUS: { 8728 // If a permission review is required for legacy apps we represent 8729 // their permissions as always granted runtime ones since we need 8730 // to keep the review required permission flag per user while an 8731 // install permission's state is shared across all users. 8732 if (!appSupportsRuntimePermissions && !Build.PERMISSIONS_REVIEW_REQUIRED) { 8733 // For legacy apps dangerous permissions are install time ones. 8734 grant = GRANT_INSTALL; 8735 } else if (origPermissions.hasInstallPermission(bp.name)) { 8736 // For legacy apps that became modern, install becomes runtime. 8737 grant = GRANT_UPGRADE; 8738 } else if (mPromoteSystemApps 8739 && isSystemApp(ps) 8740 && mExistingSystemPackages.contains(ps.name)) { 8741 // For legacy system apps, install becomes runtime. 8742 // We cannot check hasInstallPermission() for system apps since those 8743 // permissions were granted implicitly and not persisted pre-M. 8744 grant = GRANT_UPGRADE; 8745 } else { 8746 // For modern apps keep runtime permissions unchanged. 8747 grant = GRANT_RUNTIME; 8748 } 8749 } break; 8750 8751 case PermissionInfo.PROTECTION_SIGNATURE: { 8752 // For all apps signature permissions are install time ones. 8753 allowedSig = grantSignaturePermission(perm, pkg, bp, origPermissions); 8754 if (allowedSig) { 8755 grant = GRANT_INSTALL; 8756 } 8757 } break; 8758 } 8759 8760 if (DEBUG_INSTALL) { 8761 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 8762 } 8763 8764 if (grant != GRANT_DENIED) { 8765 if (!isSystemApp(ps) && ps.installPermissionsFixed) { 8766 // If this is an existing, non-system package, then 8767 // we can't add any new permissions to it. 8768 if (!allowedSig && !origPermissions.hasInstallPermission(perm)) { 8769 // Except... if this is a permission that was added 8770 // to the platform (note: need to only do this when 8771 // updating the platform). 8772 if (!isNewPlatformPermissionForPackage(perm, pkg)) { 8773 grant = GRANT_DENIED; 8774 } 8775 } 8776 } 8777 8778 switch (grant) { 8779 case GRANT_INSTALL: { 8780 // Revoke this as runtime permission to handle the case of 8781 // a runtime permission being downgraded to an install one. Also in permission review mode we keep dangerous permissions for legacy apps 8782 for (int userId : UserManagerService.getInstance().getUserIds()) { 8783 if (origPermissions.getRuntimePermissionState( 8784 bp.name, userId) != null) { 8785 // Revoke the runtime permission and clear the flags. 8786 origPermissions.revokeRuntimePermission(bp, userId); 8787 origPermissions.updatePermissionFlags(bp, userId, 8788 PackageManager.MASK_PERMISSION_FLAGS, 0); 8789 // If we revoked a permission permission, we have to write. 8790 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8791 changedRuntimePermissionUserIds, userId); 8792 } 8793 } 8794 // Grant an install permission. 8795 if (permissionsState.grantInstallPermission(bp) != 8796 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8797 changedInstallPermission = true; 8798 } 8799 } break; 8800 8801 case GRANT_RUNTIME: { 8802 // Grant previously granted runtime permissions. 8803 for (int userId : UserManagerService.getInstance().getUserIds()) { 8804 PermissionState permissionState = origPermissions 8805 .getRuntimePermissionState(bp.name, userId); 8806 int flags = permissionState != null 8807 ? permissionState.getFlags() : 0; 8808 if (origPermissions.hasRuntimePermission(bp.name, userId)) { 8809 if (permissionsState.grantRuntimePermission(bp, userId) == 8810 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8811 // If we cannot put the permission as it was, we have to write. 8812 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8813 changedRuntimePermissionUserIds, userId); 8814 } 8815 // If the app supports runtime permissions no need for a review. 8816 if (Build.PERMISSIONS_REVIEW_REQUIRED 8817 && appSupportsRuntimePermissions 8818 && (flags & PackageManager 8819 .FLAG_PERMISSION_REVIEW_REQUIRED) != 0) { 8820 flags &= ~PackageManager.FLAG_PERMISSION_REVIEW_REQUIRED; 8821 // Since we changed the flags, we have to write. 8822 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8823 changedRuntimePermissionUserIds, userId); 8824 } 8825 } else if (Build.PERMISSIONS_REVIEW_REQUIRED 8826 && !appSupportsRuntimePermissions) { 8827 // For legacy apps that need a permission review, every new 8828 // runtime permission is granted but it is pending a review. 8829 if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 8830 permissionsState.grantRuntimePermission(bp, userId); 8831 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 8832 // We changed the permission and flags, hence have to write. 8833 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8834 changedRuntimePermissionUserIds, userId); 8835 } 8836 } 8837 // Propagate the permission flags. 8838 permissionsState.updatePermissionFlags(bp, userId, flags, flags); 8839 } 8840 } break; 8841 8842 case GRANT_UPGRADE: { 8843 // Grant runtime permissions for a previously held install permission. 8844 PermissionState permissionState = origPermissions 8845 .getInstallPermissionState(bp.name); 8846 final int flags = permissionState != null ? permissionState.getFlags() : 0; 8847 8848 if (origPermissions.revokeInstallPermission(bp) 8849 != PermissionsState.PERMISSION_OPERATION_FAILURE) { 8850 // We will be transferring the permission flags, so clear them. 8851 origPermissions.updatePermissionFlags(bp, UserHandle.USER_ALL, 8852 PackageManager.MASK_PERMISSION_FLAGS, 0); 8853 changedInstallPermission = true; 8854 } 8855 8856 // If the permission is not to be promoted to runtime we ignore it and 8857 // also its other flags as they are not applicable to install permissions. 8858 if ((flags & PackageManager.FLAG_PERMISSION_REVOKE_ON_UPGRADE) == 0) { 8859 for (int userId : currentUserIds) { 8860 if (permissionsState.grantRuntimePermission(bp, userId) != 8861 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8862 // Transfer the permission flags. 8863 permissionsState.updatePermissionFlags(bp, userId, 8864 flags, flags); 8865 // If we granted the permission, we have to write. 8866 changedRuntimePermissionUserIds = ArrayUtils.appendInt( 8867 changedRuntimePermissionUserIds, userId); 8868 } 8869 } 8870 } 8871 } break; 8872 8873 default: { 8874 if (packageOfInterest == null 8875 || packageOfInterest.equals(pkg.packageName)) { 8876 Slog.w(TAG, "Not granting permission " + perm 8877 + " to package " + pkg.packageName 8878 + " because it was previously installed without"); 8879 } 8880 } break; 8881 } 8882 } else { 8883 if (permissionsState.revokeInstallPermission(bp) != 8884 PermissionsState.PERMISSION_OPERATION_FAILURE) { 8885 // Also drop the permission flags. 8886 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 8887 PackageManager.MASK_PERMISSION_FLAGS, 0); 8888 changedInstallPermission = true; 8889 Slog.i(TAG, "Un-granting permission " + perm 8890 + " from package " + pkg.packageName 8891 + " (protectionLevel=" + bp.protectionLevel 8892 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 8893 + ")"); 8894 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 8895 // Don't print warning for app op permissions, since it is fine for them 8896 // not to be granted, there is a UI for the user to decide. 8897 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 8898 Slog.w(TAG, "Not granting permission " + perm 8899 + " to package " + pkg.packageName 8900 + " (protectionLevel=" + bp.protectionLevel 8901 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 8902 + ")"); 8903 } 8904 } 8905 } 8906 } 8907 8908 if ((changedInstallPermission || replace) && !ps.installPermissionsFixed && 8909 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 8910 // This is the first that we have heard about this package, so the 8911 // permissions we have now selected are fixed until explicitly 8912 // changed. 8913 ps.installPermissionsFixed = true; 8914 } 8915 8916 // Persist the runtime permissions state for users with changes. If permissions 8917 // were revoked because no app in the shared user declares them we have to 8918 // write synchronously to avoid losing runtime permissions state. 8919 for (int userId : changedRuntimePermissionUserIds) { 8920 mSettings.writeRuntimePermissionsForUserLPr(userId, runtimePermissionsRevoked); 8921 } 8922 8923 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 8924 } 8925 8926 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 8927 boolean allowed = false; 8928 final int NP = PackageParser.NEW_PERMISSIONS.length; 8929 for (int ip=0; ip<NP; ip++) { 8930 final PackageParser.NewPermissionInfo npi 8931 = PackageParser.NEW_PERMISSIONS[ip]; 8932 if (npi.name.equals(perm) 8933 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 8934 allowed = true; 8935 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 8936 + pkg.packageName); 8937 break; 8938 } 8939 } 8940 return allowed; 8941 } 8942 8943 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 8944 BasePermission bp, PermissionsState origPermissions) { 8945 boolean allowed; 8946 allowed = (compareSignatures( 8947 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 8948 == PackageManager.SIGNATURE_MATCH) 8949 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 8950 == PackageManager.SIGNATURE_MATCH); 8951 if (!allowed && (bp.protectionLevel 8952 & PermissionInfo.PROTECTION_FLAG_PRIVILEGED) != 0) { 8953 if (isSystemApp(pkg)) { 8954 // For updated system applications, a system permission 8955 // is granted only if it had been defined by the original application. 8956 if (pkg.isUpdatedSystemApp()) { 8957 final PackageSetting sysPs = mSettings 8958 .getDisabledSystemPkgLPr(pkg.packageName); 8959 if (sysPs.getPermissionsState().hasInstallPermission(perm)) { 8960 // If the original was granted this permission, we take 8961 // that grant decision as read and propagate it to the 8962 // update. 8963 if (sysPs.isPrivileged()) { 8964 allowed = true; 8965 } 8966 } else { 8967 // The system apk may have been updated with an older 8968 // version of the one on the data partition, but which 8969 // granted a new system permission that it didn't have 8970 // before. In this case we do want to allow the app to 8971 // now get the new permission if the ancestral apk is 8972 // privileged to get it. 8973 if (sysPs.pkg != null && sysPs.isPrivileged()) { 8974 for (int j=0; 8975 j<sysPs.pkg.requestedPermissions.size(); j++) { 8976 if (perm.equals( 8977 sysPs.pkg.requestedPermissions.get(j))) { 8978 allowed = true; 8979 break; 8980 } 8981 } 8982 } 8983 } 8984 } else { 8985 allowed = isPrivilegedApp(pkg); 8986 } 8987 } 8988 } 8989 if (!allowed) { 8990 if (!allowed && (bp.protectionLevel 8991 & PermissionInfo.PROTECTION_FLAG_PRE23) != 0 8992 && pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 8993 // If this was a previously normal/dangerous permission that got moved 8994 // to a system permission as part of the runtime permission redesign, then 8995 // we still want to blindly grant it to old apps. 8996 allowed = true; 8997 } 8998 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_INSTALLER) != 0 8999 && pkg.packageName.equals(mRequiredInstallerPackage)) { 9000 // If this permission is to be granted to the system installer and 9001 // this app is an installer, then it gets the permission. 9002 allowed = true; 9003 } 9004 if (!allowed && (bp.protectionLevel & PermissionInfo.PROTECTION_FLAG_VERIFIER) != 0 9005 && pkg.packageName.equals(mRequiredVerifierPackage)) { 9006 // If this permission is to be granted to the system verifier and 9007 // this app is a verifier, then it gets the permission. 9008 allowed = true; 9009 } 9010 if (!allowed && (bp.protectionLevel 9011 & PermissionInfo.PROTECTION_FLAG_PREINSTALLED) != 0 9012 && isSystemApp(pkg)) { 9013 // Any pre-installed system app is allowed to get this permission. 9014 allowed = true; 9015 } 9016 if (!allowed && (bp.protectionLevel 9017 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 9018 // For development permissions, a development permission 9019 // is granted only if it was already granted. 9020 allowed = origPermissions.hasInstallPermission(perm); 9021 } 9022 } 9023 return allowed; 9024 } 9025 9026 final class ActivityIntentResolver 9027 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 9028 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9029 boolean defaultOnly, int userId) { 9030 if (!sUserManager.exists(userId)) return null; 9031 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9032 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9033 } 9034 9035 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9036 int userId) { 9037 if (!sUserManager.exists(userId)) return null; 9038 mFlags = flags; 9039 return super.queryIntent(intent, resolvedType, 9040 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9041 } 9042 9043 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9044 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 9045 if (!sUserManager.exists(userId)) return null; 9046 if (packageActivities == null) { 9047 return null; 9048 } 9049 mFlags = flags; 9050 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9051 final int N = packageActivities.size(); 9052 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 9053 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 9054 9055 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 9056 for (int i = 0; i < N; ++i) { 9057 intentFilters = packageActivities.get(i).intents; 9058 if (intentFilters != null && intentFilters.size() > 0) { 9059 PackageParser.ActivityIntentInfo[] array = 9060 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 9061 intentFilters.toArray(array); 9062 listCut.add(array); 9063 } 9064 } 9065 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9066 } 9067 9068 public final void addActivity(PackageParser.Activity a, String type) { 9069 final boolean systemApp = a.info.applicationInfo.isSystemApp(); 9070 mActivities.put(a.getComponentName(), a); 9071 if (DEBUG_SHOW_INFO) 9072 Log.v( 9073 TAG, " " + type + " " + 9074 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 9075 if (DEBUG_SHOW_INFO) 9076 Log.v(TAG, " Class=" + a.info.name); 9077 final int NI = a.intents.size(); 9078 for (int j=0; j<NI; j++) { 9079 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9080 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 9081 intent.setPriority(0); 9082 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 9083 + a.className + " with priority > 0, forcing to 0"); 9084 } 9085 if (DEBUG_SHOW_INFO) { 9086 Log.v(TAG, " IntentFilter:"); 9087 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9088 } 9089 if (!intent.debugCheck()) { 9090 Log.w(TAG, "==> For Activity " + a.info.name); 9091 } 9092 addFilter(intent); 9093 } 9094 } 9095 9096 public final void removeActivity(PackageParser.Activity a, String type) { 9097 mActivities.remove(a.getComponentName()); 9098 if (DEBUG_SHOW_INFO) { 9099 Log.v(TAG, " " + type + " " 9100 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 9101 : a.info.name) + ":"); 9102 Log.v(TAG, " Class=" + a.info.name); 9103 } 9104 final int NI = a.intents.size(); 9105 for (int j=0; j<NI; j++) { 9106 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 9107 if (DEBUG_SHOW_INFO) { 9108 Log.v(TAG, " IntentFilter:"); 9109 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9110 } 9111 removeFilter(intent); 9112 } 9113 } 9114 9115 @Override 9116 protected boolean allowFilterResult( 9117 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 9118 ActivityInfo filterAi = filter.activity.info; 9119 for (int i=dest.size()-1; i>=0; i--) { 9120 ActivityInfo destAi = dest.get(i).activityInfo; 9121 if (destAi.name == filterAi.name 9122 && destAi.packageName == filterAi.packageName) { 9123 return false; 9124 } 9125 } 9126 return true; 9127 } 9128 9129 @Override 9130 protected ActivityIntentInfo[] newArray(int size) { 9131 return new ActivityIntentInfo[size]; 9132 } 9133 9134 @Override 9135 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 9136 if (!sUserManager.exists(userId)) return true; 9137 PackageParser.Package p = filter.activity.owner; 9138 if (p != null) { 9139 PackageSetting ps = (PackageSetting)p.mExtras; 9140 if (ps != null) { 9141 // System apps are never considered stopped for purposes of 9142 // filtering, because there may be no way for the user to 9143 // actually re-launch them. 9144 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 9145 && ps.getStopped(userId); 9146 } 9147 } 9148 return false; 9149 } 9150 9151 @Override 9152 protected boolean isPackageForFilter(String packageName, 9153 PackageParser.ActivityIntentInfo info) { 9154 return packageName.equals(info.activity.owner.packageName); 9155 } 9156 9157 @Override 9158 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 9159 int match, int userId) { 9160 if (!sUserManager.exists(userId)) return null; 9161 if (!mSettings.isEnabledAndMatchLPr(info.activity.info, mFlags, userId)) { 9162 return null; 9163 } 9164 final PackageParser.Activity activity = info.activity; 9165 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 9166 if (ps == null) { 9167 return null; 9168 } 9169 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 9170 ps.readUserState(userId), userId); 9171 if (ai == null) { 9172 return null; 9173 } 9174 final ResolveInfo res = new ResolveInfo(); 9175 res.activityInfo = ai; 9176 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9177 res.filter = info; 9178 } 9179 if (info != null) { 9180 res.handleAllWebDataURI = info.handleAllWebDataURI(); 9181 } 9182 res.priority = info.getPriority(); 9183 res.preferredOrder = activity.owner.mPreferredOrder; 9184 //System.out.println("Result: " + res.activityInfo.className + 9185 // " = " + res.priority); 9186 res.match = match; 9187 res.isDefault = info.hasDefault; 9188 res.labelRes = info.labelRes; 9189 res.nonLocalizedLabel = info.nonLocalizedLabel; 9190 if (userNeedsBadging(userId)) { 9191 res.noResourceId = true; 9192 } else { 9193 res.icon = info.icon; 9194 } 9195 res.iconResourceId = info.icon; 9196 res.system = res.activityInfo.applicationInfo.isSystemApp(); 9197 return res; 9198 } 9199 9200 @Override 9201 protected void sortResults(List<ResolveInfo> results) { 9202 Collections.sort(results, mResolvePrioritySorter); 9203 } 9204 9205 @Override 9206 protected void dumpFilter(PrintWriter out, String prefix, 9207 PackageParser.ActivityIntentInfo filter) { 9208 out.print(prefix); out.print( 9209 Integer.toHexString(System.identityHashCode(filter.activity))); 9210 out.print(' '); 9211 filter.activity.printComponentShortName(out); 9212 out.print(" filter "); 9213 out.println(Integer.toHexString(System.identityHashCode(filter))); 9214 } 9215 9216 @Override 9217 protected Object filterToLabel(PackageParser.ActivityIntentInfo filter) { 9218 return filter.activity; 9219 } 9220 9221 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9222 PackageParser.Activity activity = (PackageParser.Activity)label; 9223 out.print(prefix); out.print( 9224 Integer.toHexString(System.identityHashCode(activity))); 9225 out.print(' '); 9226 activity.printComponentShortName(out); 9227 if (count > 1) { 9228 out.print(" ("); out.print(count); out.print(" filters)"); 9229 } 9230 out.println(); 9231 } 9232 9233// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9234// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9235// final List<ResolveInfo> retList = Lists.newArrayList(); 9236// while (i.hasNext()) { 9237// final ResolveInfo resolveInfo = i.next(); 9238// if (isEnabledLP(resolveInfo.activityInfo)) { 9239// retList.add(resolveInfo); 9240// } 9241// } 9242// return retList; 9243// } 9244 9245 // Keys are String (activity class name), values are Activity. 9246 private final ArrayMap<ComponentName, PackageParser.Activity> mActivities 9247 = new ArrayMap<ComponentName, PackageParser.Activity>(); 9248 private int mFlags; 9249 } 9250 9251 private final class ServiceIntentResolver 9252 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 9253 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9254 boolean defaultOnly, int userId) { 9255 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9256 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9257 } 9258 9259 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9260 int userId) { 9261 if (!sUserManager.exists(userId)) return null; 9262 mFlags = flags; 9263 return super.queryIntent(intent, resolvedType, 9264 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9265 } 9266 9267 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9268 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 9269 if (!sUserManager.exists(userId)) return null; 9270 if (packageServices == null) { 9271 return null; 9272 } 9273 mFlags = flags; 9274 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 9275 final int N = packageServices.size(); 9276 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 9277 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 9278 9279 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 9280 for (int i = 0; i < N; ++i) { 9281 intentFilters = packageServices.get(i).intents; 9282 if (intentFilters != null && intentFilters.size() > 0) { 9283 PackageParser.ServiceIntentInfo[] array = 9284 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 9285 intentFilters.toArray(array); 9286 listCut.add(array); 9287 } 9288 } 9289 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9290 } 9291 9292 public final void addService(PackageParser.Service s) { 9293 mServices.put(s.getComponentName(), s); 9294 if (DEBUG_SHOW_INFO) { 9295 Log.v(TAG, " " 9296 + (s.info.nonLocalizedLabel != null 9297 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 9298 Log.v(TAG, " Class=" + s.info.name); 9299 } 9300 final int NI = s.intents.size(); 9301 int j; 9302 for (j=0; j<NI; j++) { 9303 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 9304 if (DEBUG_SHOW_INFO) { 9305 Log.v(TAG, " IntentFilter:"); 9306 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9307 } 9308 if (!intent.debugCheck()) { 9309 Log.w(TAG, "==> For Service " + s.info.name); 9310 } 9311 addFilter(intent); 9312 } 9313 } 9314 9315 public final void removeService(PackageParser.Service s) { 9316 mServices.remove(s.getComponentName()); 9317 if (DEBUG_SHOW_INFO) { 9318 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 9319 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 9320 Log.v(TAG, " Class=" + s.info.name); 9321 } 9322 final int NI = s.intents.size(); 9323 int j; 9324 for (j=0; j<NI; j++) { 9325 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 9326 if (DEBUG_SHOW_INFO) { 9327 Log.v(TAG, " IntentFilter:"); 9328 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9329 } 9330 removeFilter(intent); 9331 } 9332 } 9333 9334 @Override 9335 protected boolean allowFilterResult( 9336 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 9337 ServiceInfo filterSi = filter.service.info; 9338 for (int i=dest.size()-1; i>=0; i--) { 9339 ServiceInfo destAi = dest.get(i).serviceInfo; 9340 if (destAi.name == filterSi.name 9341 && destAi.packageName == filterSi.packageName) { 9342 return false; 9343 } 9344 } 9345 return true; 9346 } 9347 9348 @Override 9349 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 9350 return new PackageParser.ServiceIntentInfo[size]; 9351 } 9352 9353 @Override 9354 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 9355 if (!sUserManager.exists(userId)) return true; 9356 PackageParser.Package p = filter.service.owner; 9357 if (p != null) { 9358 PackageSetting ps = (PackageSetting)p.mExtras; 9359 if (ps != null) { 9360 // System apps are never considered stopped for purposes of 9361 // filtering, because there may be no way for the user to 9362 // actually re-launch them. 9363 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9364 && ps.getStopped(userId); 9365 } 9366 } 9367 return false; 9368 } 9369 9370 @Override 9371 protected boolean isPackageForFilter(String packageName, 9372 PackageParser.ServiceIntentInfo info) { 9373 return packageName.equals(info.service.owner.packageName); 9374 } 9375 9376 @Override 9377 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 9378 int match, int userId) { 9379 if (!sUserManager.exists(userId)) return null; 9380 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 9381 if (!mSettings.isEnabledAndMatchLPr(info.service.info, mFlags, userId)) { 9382 return null; 9383 } 9384 final PackageParser.Service service = info.service; 9385 PackageSetting ps = (PackageSetting) service.owner.mExtras; 9386 if (ps == null) { 9387 return null; 9388 } 9389 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 9390 ps.readUserState(userId), userId); 9391 if (si == null) { 9392 return null; 9393 } 9394 final ResolveInfo res = new ResolveInfo(); 9395 res.serviceInfo = si; 9396 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 9397 res.filter = filter; 9398 } 9399 res.priority = info.getPriority(); 9400 res.preferredOrder = service.owner.mPreferredOrder; 9401 res.match = match; 9402 res.isDefault = info.hasDefault; 9403 res.labelRes = info.labelRes; 9404 res.nonLocalizedLabel = info.nonLocalizedLabel; 9405 res.icon = info.icon; 9406 res.system = res.serviceInfo.applicationInfo.isSystemApp(); 9407 return res; 9408 } 9409 9410 @Override 9411 protected void sortResults(List<ResolveInfo> results) { 9412 Collections.sort(results, mResolvePrioritySorter); 9413 } 9414 9415 @Override 9416 protected void dumpFilter(PrintWriter out, String prefix, 9417 PackageParser.ServiceIntentInfo filter) { 9418 out.print(prefix); out.print( 9419 Integer.toHexString(System.identityHashCode(filter.service))); 9420 out.print(' '); 9421 filter.service.printComponentShortName(out); 9422 out.print(" filter "); 9423 out.println(Integer.toHexString(System.identityHashCode(filter))); 9424 } 9425 9426 @Override 9427 protected Object filterToLabel(PackageParser.ServiceIntentInfo filter) { 9428 return filter.service; 9429 } 9430 9431 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9432 PackageParser.Service service = (PackageParser.Service)label; 9433 out.print(prefix); out.print( 9434 Integer.toHexString(System.identityHashCode(service))); 9435 out.print(' '); 9436 service.printComponentShortName(out); 9437 if (count > 1) { 9438 out.print(" ("); out.print(count); out.print(" filters)"); 9439 } 9440 out.println(); 9441 } 9442 9443// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 9444// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 9445// final List<ResolveInfo> retList = Lists.newArrayList(); 9446// while (i.hasNext()) { 9447// final ResolveInfo resolveInfo = (ResolveInfo) i; 9448// if (isEnabledLP(resolveInfo.serviceInfo)) { 9449// retList.add(resolveInfo); 9450// } 9451// } 9452// return retList; 9453// } 9454 9455 // Keys are String (activity class name), values are Activity. 9456 private final ArrayMap<ComponentName, PackageParser.Service> mServices 9457 = new ArrayMap<ComponentName, PackageParser.Service>(); 9458 private int mFlags; 9459 }; 9460 9461 private final class ProviderIntentResolver 9462 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 9463 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 9464 boolean defaultOnly, int userId) { 9465 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 9466 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 9467 } 9468 9469 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 9470 int userId) { 9471 if (!sUserManager.exists(userId)) 9472 return null; 9473 mFlags = flags; 9474 return super.queryIntent(intent, resolvedType, 9475 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 9476 } 9477 9478 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 9479 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 9480 if (!sUserManager.exists(userId)) 9481 return null; 9482 if (packageProviders == null) { 9483 return null; 9484 } 9485 mFlags = flags; 9486 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 9487 final int N = packageProviders.size(); 9488 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 9489 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 9490 9491 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 9492 for (int i = 0; i < N; ++i) { 9493 intentFilters = packageProviders.get(i).intents; 9494 if (intentFilters != null && intentFilters.size() > 0) { 9495 PackageParser.ProviderIntentInfo[] array = 9496 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 9497 intentFilters.toArray(array); 9498 listCut.add(array); 9499 } 9500 } 9501 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 9502 } 9503 9504 public final void addProvider(PackageParser.Provider p) { 9505 if (mProviders.containsKey(p.getComponentName())) { 9506 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 9507 return; 9508 } 9509 9510 mProviders.put(p.getComponentName(), p); 9511 if (DEBUG_SHOW_INFO) { 9512 Log.v(TAG, " " 9513 + (p.info.nonLocalizedLabel != null 9514 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 9515 Log.v(TAG, " Class=" + p.info.name); 9516 } 9517 final int NI = p.intents.size(); 9518 int j; 9519 for (j = 0; j < NI; j++) { 9520 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 9521 if (DEBUG_SHOW_INFO) { 9522 Log.v(TAG, " IntentFilter:"); 9523 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9524 } 9525 if (!intent.debugCheck()) { 9526 Log.w(TAG, "==> For Provider " + p.info.name); 9527 } 9528 addFilter(intent); 9529 } 9530 } 9531 9532 public final void removeProvider(PackageParser.Provider p) { 9533 mProviders.remove(p.getComponentName()); 9534 if (DEBUG_SHOW_INFO) { 9535 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 9536 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 9537 Log.v(TAG, " Class=" + p.info.name); 9538 } 9539 final int NI = p.intents.size(); 9540 int j; 9541 for (j = 0; j < NI; j++) { 9542 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 9543 if (DEBUG_SHOW_INFO) { 9544 Log.v(TAG, " IntentFilter:"); 9545 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 9546 } 9547 removeFilter(intent); 9548 } 9549 } 9550 9551 @Override 9552 protected boolean allowFilterResult( 9553 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 9554 ProviderInfo filterPi = filter.provider.info; 9555 for (int i = dest.size() - 1; i >= 0; i--) { 9556 ProviderInfo destPi = dest.get(i).providerInfo; 9557 if (destPi.name == filterPi.name 9558 && destPi.packageName == filterPi.packageName) { 9559 return false; 9560 } 9561 } 9562 return true; 9563 } 9564 9565 @Override 9566 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 9567 return new PackageParser.ProviderIntentInfo[size]; 9568 } 9569 9570 @Override 9571 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 9572 if (!sUserManager.exists(userId)) 9573 return true; 9574 PackageParser.Package p = filter.provider.owner; 9575 if (p != null) { 9576 PackageSetting ps = (PackageSetting) p.mExtras; 9577 if (ps != null) { 9578 // System apps are never considered stopped for purposes of 9579 // filtering, because there may be no way for the user to 9580 // actually re-launch them. 9581 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 9582 && ps.getStopped(userId); 9583 } 9584 } 9585 return false; 9586 } 9587 9588 @Override 9589 protected boolean isPackageForFilter(String packageName, 9590 PackageParser.ProviderIntentInfo info) { 9591 return packageName.equals(info.provider.owner.packageName); 9592 } 9593 9594 @Override 9595 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 9596 int match, int userId) { 9597 if (!sUserManager.exists(userId)) 9598 return null; 9599 final PackageParser.ProviderIntentInfo info = filter; 9600 if (!mSettings.isEnabledAndMatchLPr(info.provider.info, mFlags, userId)) { 9601 return null; 9602 } 9603 final PackageParser.Provider provider = info.provider; 9604 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 9605 if (ps == null) { 9606 return null; 9607 } 9608 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 9609 ps.readUserState(userId), userId); 9610 if (pi == null) { 9611 return null; 9612 } 9613 final ResolveInfo res = new ResolveInfo(); 9614 res.providerInfo = pi; 9615 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 9616 res.filter = filter; 9617 } 9618 res.priority = info.getPriority(); 9619 res.preferredOrder = provider.owner.mPreferredOrder; 9620 res.match = match; 9621 res.isDefault = info.hasDefault; 9622 res.labelRes = info.labelRes; 9623 res.nonLocalizedLabel = info.nonLocalizedLabel; 9624 res.icon = info.icon; 9625 res.system = res.providerInfo.applicationInfo.isSystemApp(); 9626 return res; 9627 } 9628 9629 @Override 9630 protected void sortResults(List<ResolveInfo> results) { 9631 Collections.sort(results, mResolvePrioritySorter); 9632 } 9633 9634 @Override 9635 protected void dumpFilter(PrintWriter out, String prefix, 9636 PackageParser.ProviderIntentInfo filter) { 9637 out.print(prefix); 9638 out.print( 9639 Integer.toHexString(System.identityHashCode(filter.provider))); 9640 out.print(' '); 9641 filter.provider.printComponentShortName(out); 9642 out.print(" filter "); 9643 out.println(Integer.toHexString(System.identityHashCode(filter))); 9644 } 9645 9646 @Override 9647 protected Object filterToLabel(PackageParser.ProviderIntentInfo filter) { 9648 return filter.provider; 9649 } 9650 9651 protected void dumpFilterLabel(PrintWriter out, String prefix, Object label, int count) { 9652 PackageParser.Provider provider = (PackageParser.Provider)label; 9653 out.print(prefix); out.print( 9654 Integer.toHexString(System.identityHashCode(provider))); 9655 out.print(' '); 9656 provider.printComponentShortName(out); 9657 if (count > 1) { 9658 out.print(" ("); out.print(count); out.print(" filters)"); 9659 } 9660 out.println(); 9661 } 9662 9663 private final ArrayMap<ComponentName, PackageParser.Provider> mProviders 9664 = new ArrayMap<ComponentName, PackageParser.Provider>(); 9665 private int mFlags; 9666 } 9667 9668 private static final class EphemeralIntentResolver 9669 extends IntentResolver<EphemeralResolveIntentInfo, EphemeralResolveInfo> { 9670 @Override 9671 protected EphemeralResolveIntentInfo[] newArray(int size) { 9672 return new EphemeralResolveIntentInfo[size]; 9673 } 9674 9675 @Override 9676 protected boolean isPackageForFilter(String packageName, EphemeralResolveIntentInfo info) { 9677 return true; 9678 } 9679 9680 @Override 9681 protected EphemeralResolveInfo newResult(EphemeralResolveIntentInfo info, int match, 9682 int userId) { 9683 if (!sUserManager.exists(userId)) { 9684 return null; 9685 } 9686 return info.getEphemeralResolveInfo(); 9687 } 9688 } 9689 9690 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 9691 new Comparator<ResolveInfo>() { 9692 public int compare(ResolveInfo r1, ResolveInfo r2) { 9693 int v1 = r1.priority; 9694 int v2 = r2.priority; 9695 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 9696 if (v1 != v2) { 9697 return (v1 > v2) ? -1 : 1; 9698 } 9699 v1 = r1.preferredOrder; 9700 v2 = r2.preferredOrder; 9701 if (v1 != v2) { 9702 return (v1 > v2) ? -1 : 1; 9703 } 9704 if (r1.isDefault != r2.isDefault) { 9705 return r1.isDefault ? -1 : 1; 9706 } 9707 v1 = r1.match; 9708 v2 = r2.match; 9709 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 9710 if (v1 != v2) { 9711 return (v1 > v2) ? -1 : 1; 9712 } 9713 if (r1.system != r2.system) { 9714 return r1.system ? -1 : 1; 9715 } 9716 if (r1.activityInfo != null) { 9717 return r1.activityInfo.packageName.compareTo(r2.activityInfo.packageName); 9718 } 9719 if (r1.serviceInfo != null) { 9720 return r1.serviceInfo.packageName.compareTo(r2.serviceInfo.packageName); 9721 } 9722 if (r1.providerInfo != null) { 9723 return r1.providerInfo.packageName.compareTo(r2.providerInfo.packageName); 9724 } 9725 return 0; 9726 } 9727 }; 9728 9729 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 9730 new Comparator<ProviderInfo>() { 9731 public int compare(ProviderInfo p1, ProviderInfo p2) { 9732 final int v1 = p1.initOrder; 9733 final int v2 = p2.initOrder; 9734 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 9735 } 9736 }; 9737 9738 final void sendPackageBroadcast(final String action, final String pkg, final Bundle extras, 9739 final int flags, final String targetPkg, final IIntentReceiver finishedReceiver, 9740 final int[] userIds) { 9741 mHandler.post(new Runnable() { 9742 @Override 9743 public void run() { 9744 try { 9745 final IActivityManager am = ActivityManagerNative.getDefault(); 9746 if (am == null) return; 9747 final int[] resolvedUserIds; 9748 if (userIds == null) { 9749 resolvedUserIds = am.getRunningUserIds(); 9750 } else { 9751 resolvedUserIds = userIds; 9752 } 9753 for (int id : resolvedUserIds) { 9754 final Intent intent = new Intent(action, 9755 pkg != null ? Uri.fromParts("package", pkg, null) : null); 9756 if (extras != null) { 9757 intent.putExtras(extras); 9758 } 9759 if (targetPkg != null) { 9760 intent.setPackage(targetPkg); 9761 } 9762 // Modify the UID when posting to other users 9763 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 9764 if (uid > 0 && UserHandle.getUserId(uid) != id) { 9765 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 9766 intent.putExtra(Intent.EXTRA_UID, uid); 9767 } 9768 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 9769 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT | flags); 9770 if (DEBUG_BROADCASTS) { 9771 RuntimeException here = new RuntimeException("here"); 9772 here.fillInStackTrace(); 9773 Slog.d(TAG, "Sending to user " + id + ": " 9774 + intent.toShortString(false, true, false, false) 9775 + " " + intent.getExtras(), here); 9776 } 9777 am.broadcastIntent(null, intent, null, finishedReceiver, 9778 0, null, null, null, android.app.AppOpsManager.OP_NONE, 9779 null, finishedReceiver != null, false, id); 9780 } 9781 } catch (RemoteException ex) { 9782 } 9783 } 9784 }); 9785 } 9786 9787 /** 9788 * Check if the external storage media is available. This is true if there 9789 * is a mounted external storage medium or if the external storage is 9790 * emulated. 9791 */ 9792 private boolean isExternalMediaAvailable() { 9793 return mMediaMounted || Environment.isExternalStorageEmulated(); 9794 } 9795 9796 @Override 9797 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 9798 // writer 9799 synchronized (mPackages) { 9800 if (!isExternalMediaAvailable()) { 9801 // If the external storage is no longer mounted at this point, 9802 // the caller may not have been able to delete all of this 9803 // packages files and can not delete any more. Bail. 9804 return null; 9805 } 9806 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 9807 if (lastPackage != null) { 9808 pkgs.remove(lastPackage); 9809 } 9810 if (pkgs.size() > 0) { 9811 return pkgs.get(0); 9812 } 9813 } 9814 return null; 9815 } 9816 9817 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 9818 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 9819 userId, andCode ? 1 : 0, packageName); 9820 if (mSystemReady) { 9821 msg.sendToTarget(); 9822 } else { 9823 if (mPostSystemReadyMessages == null) { 9824 mPostSystemReadyMessages = new ArrayList<>(); 9825 } 9826 mPostSystemReadyMessages.add(msg); 9827 } 9828 } 9829 9830 void startCleaningPackages() { 9831 // reader 9832 synchronized (mPackages) { 9833 if (!isExternalMediaAvailable()) { 9834 return; 9835 } 9836 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 9837 return; 9838 } 9839 } 9840 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 9841 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 9842 IActivityManager am = ActivityManagerNative.getDefault(); 9843 if (am != null) { 9844 try { 9845 am.startService(null, intent, null, mContext.getOpPackageName(), 9846 UserHandle.USER_SYSTEM); 9847 } catch (RemoteException e) { 9848 } 9849 } 9850 } 9851 9852 @Override 9853 public void installPackage(String originPath, IPackageInstallObserver2 observer, 9854 int installFlags, String installerPackageName, VerificationParams verificationParams, 9855 String packageAbiOverride) { 9856 installPackageAsUser(originPath, observer, installFlags, installerPackageName, 9857 verificationParams, packageAbiOverride, UserHandle.getCallingUserId()); 9858 } 9859 9860 @Override 9861 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 9862 int installFlags, String installerPackageName, VerificationParams verificationParams, 9863 String packageAbiOverride, int userId) { 9864 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 9865 9866 final int callingUid = Binder.getCallingUid(); 9867 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 9868 9869 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 9870 try { 9871 if (observer != null) { 9872 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 9873 } 9874 } catch (RemoteException re) { 9875 } 9876 return; 9877 } 9878 9879 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 9880 installFlags |= PackageManager.INSTALL_FROM_ADB; 9881 9882 } else { 9883 // Caller holds INSTALL_PACKAGES permission, so we're less strict 9884 // about installerPackageName. 9885 9886 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 9887 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 9888 } 9889 9890 UserHandle user; 9891 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 9892 user = UserHandle.ALL; 9893 } else { 9894 user = new UserHandle(userId); 9895 } 9896 9897 // Only system components can circumvent runtime permissions when installing. 9898 if ((installFlags & PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS) != 0 9899 && mContext.checkCallingOrSelfPermission(Manifest.permission 9900 .INSTALL_GRANT_RUNTIME_PERMISSIONS) == PackageManager.PERMISSION_DENIED) { 9901 throw new SecurityException("You need the " 9902 + "android.permission.INSTALL_GRANT_RUNTIME_PERMISSIONS permission " 9903 + "to use the PackageManager.INSTALL_GRANT_RUNTIME_PERMISSIONS flag"); 9904 } 9905 9906 verificationParams.setInstallerUid(callingUid); 9907 9908 final File originFile = new File(originPath); 9909 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 9910 9911 final Message msg = mHandler.obtainMessage(INIT_COPY); 9912 final InstallParams params = new InstallParams(origin, null, observer, installFlags, 9913 installerPackageName, null, verificationParams, user, packageAbiOverride, null); 9914 params.setTraceMethod("installAsUser").setTraceCookie(System.identityHashCode(params)); 9915 msg.obj = params; 9916 9917 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installAsUser", 9918 System.identityHashCode(msg.obj)); 9919 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 9920 System.identityHashCode(msg.obj)); 9921 9922 mHandler.sendMessage(msg); 9923 } 9924 9925 void installStage(String packageName, File stagedDir, String stagedCid, 9926 IPackageInstallObserver2 observer, PackageInstaller.SessionParams sessionParams, 9927 String installerPackageName, int installerUid, UserHandle user) { 9928 if (DEBUG_EPHEMERAL) { 9929 if ((sessionParams.installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 9930 Slog.d(TAG, "Ephemeral install of " + packageName); 9931 } 9932 } 9933 final VerificationParams verifParams = new VerificationParams( 9934 null, sessionParams.originatingUri, sessionParams.referrerUri, 9935 sessionParams.originatingUid); 9936 verifParams.setInstallerUid(installerUid); 9937 9938 final OriginInfo origin; 9939 if (stagedDir != null) { 9940 origin = OriginInfo.fromStagedFile(stagedDir); 9941 } else { 9942 origin = OriginInfo.fromStagedContainer(stagedCid); 9943 } 9944 9945 final Message msg = mHandler.obtainMessage(INIT_COPY); 9946 final InstallParams params = new InstallParams(origin, null, observer, 9947 sessionParams.installFlags, installerPackageName, sessionParams.volumeUuid, 9948 verifParams, user, sessionParams.abiOverride, 9949 sessionParams.grantedRuntimePermissions); 9950 params.setTraceMethod("installStage").setTraceCookie(System.identityHashCode(params)); 9951 msg.obj = params; 9952 9953 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "installStage", 9954 System.identityHashCode(msg.obj)); 9955 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 9956 System.identityHashCode(msg.obj)); 9957 9958 mHandler.sendMessage(msg); 9959 } 9960 9961 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 9962 Bundle extras = new Bundle(1); 9963 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 9964 9965 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 9966 packageName, extras, 0, null, null, new int[] {userId}); 9967 try { 9968 IActivityManager am = ActivityManagerNative.getDefault(); 9969 final boolean isSystem = 9970 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 9971 if (isSystem && am.isUserRunning(userId, 0)) { 9972 // The just-installed/enabled app is bundled on the system, so presumed 9973 // to be able to run automatically without needing an explicit launch. 9974 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 9975 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 9976 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 9977 .setPackage(packageName); 9978 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 9979 android.app.AppOpsManager.OP_NONE, null, false, false, userId); 9980 } 9981 } catch (RemoteException e) { 9982 // shouldn't happen 9983 Slog.w(TAG, "Unable to bootstrap installed package", e); 9984 } 9985 } 9986 9987 @Override 9988 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 9989 int userId) { 9990 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 9991 PackageSetting pkgSetting; 9992 final int uid = Binder.getCallingUid(); 9993 enforceCrossUserPermission(uid, userId, true, true, 9994 "setApplicationHiddenSetting for user " + userId); 9995 9996 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 9997 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 9998 return false; 9999 } 10000 10001 long callingId = Binder.clearCallingIdentity(); 10002 try { 10003 boolean sendAdded = false; 10004 boolean sendRemoved = false; 10005 // writer 10006 synchronized (mPackages) { 10007 pkgSetting = mSettings.mPackages.get(packageName); 10008 if (pkgSetting == null) { 10009 return false; 10010 } 10011 if (pkgSetting.getHidden(userId) != hidden) { 10012 pkgSetting.setHidden(hidden, userId); 10013 mSettings.writePackageRestrictionsLPr(userId); 10014 if (hidden) { 10015 sendRemoved = true; 10016 } else { 10017 sendAdded = true; 10018 } 10019 } 10020 } 10021 if (sendAdded) { 10022 sendPackageAddedForUser(packageName, pkgSetting, userId); 10023 return true; 10024 } 10025 if (sendRemoved) { 10026 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 10027 "hiding pkg"); 10028 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 10029 return true; 10030 } 10031 } finally { 10032 Binder.restoreCallingIdentity(callingId); 10033 } 10034 return false; 10035 } 10036 10037 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 10038 int userId) { 10039 final PackageRemovedInfo info = new PackageRemovedInfo(); 10040 info.removedPackage = packageName; 10041 info.removedUsers = new int[] {userId}; 10042 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 10043 info.sendBroadcast(false, false, false); 10044 } 10045 10046 /** 10047 * Returns true if application is not found or there was an error. Otherwise it returns 10048 * the hidden state of the package for the given user. 10049 */ 10050 @Override 10051 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 10052 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10053 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 10054 false, "getApplicationHidden for user " + userId); 10055 PackageSetting pkgSetting; 10056 long callingId = Binder.clearCallingIdentity(); 10057 try { 10058 // writer 10059 synchronized (mPackages) { 10060 pkgSetting = mSettings.mPackages.get(packageName); 10061 if (pkgSetting == null) { 10062 return true; 10063 } 10064 return pkgSetting.getHidden(userId); 10065 } 10066 } finally { 10067 Binder.restoreCallingIdentity(callingId); 10068 } 10069 } 10070 10071 /** 10072 * @hide 10073 */ 10074 @Override 10075 public int installExistingPackageAsUser(String packageName, int userId) { 10076 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 10077 null); 10078 PackageSetting pkgSetting; 10079 final int uid = Binder.getCallingUid(); 10080 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 10081 + userId); 10082 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 10083 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 10084 } 10085 10086 long callingId = Binder.clearCallingIdentity(); 10087 try { 10088 boolean installed = false; 10089 10090 // writer 10091 synchronized (mPackages) { 10092 pkgSetting = mSettings.mPackages.get(packageName); 10093 if (pkgSetting == null) { 10094 return PackageManager.INSTALL_FAILED_INVALID_URI; 10095 } 10096 if (!pkgSetting.getInstalled(userId)) { 10097 pkgSetting.setInstalled(true, userId); 10098 pkgSetting.setHidden(false, userId); 10099 mSettings.writePackageRestrictionsLPr(userId); 10100 if (pkgSetting.pkg != null) { 10101 prepareAppDataAfterInstall(pkgSetting.pkg); 10102 } 10103 installed = true; 10104 } 10105 } 10106 10107 if (installed) { 10108 sendPackageAddedForUser(packageName, pkgSetting, userId); 10109 } 10110 } finally { 10111 Binder.restoreCallingIdentity(callingId); 10112 } 10113 10114 return PackageManager.INSTALL_SUCCEEDED; 10115 } 10116 10117 boolean isUserRestricted(int userId, String restrictionKey) { 10118 Bundle restrictions = sUserManager.getUserRestrictions(userId); 10119 if (restrictions.getBoolean(restrictionKey, false)) { 10120 Log.w(TAG, "User is restricted: " + restrictionKey); 10121 return true; 10122 } 10123 return false; 10124 } 10125 10126 @Override 10127 public boolean setPackageSuspendedAsUser(String packageName, boolean suspended, int userId) { 10128 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 10129 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, true, 10130 "setPackageSuspended for user " + userId); 10131 10132 long callingId = Binder.clearCallingIdentity(); 10133 try { 10134 synchronized (mPackages) { 10135 final PackageSetting pkgSetting = mSettings.mPackages.get(packageName); 10136 if (pkgSetting != null) { 10137 if (pkgSetting.getSuspended(userId) != suspended) { 10138 pkgSetting.setSuspended(suspended, userId); 10139 mSettings.writePackageRestrictionsLPr(userId); 10140 } 10141 10142 // TODO: 10143 // * broadcast a PACKAGE_(UN)SUSPENDED intent for launchers to pick up 10144 // * remove app from recents (kill app it if it is running) 10145 // * erase existing notifications for this app 10146 return true; 10147 } 10148 10149 return false; 10150 } 10151 } finally { 10152 Binder.restoreCallingIdentity(callingId); 10153 } 10154 } 10155 10156 @Override 10157 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 10158 mContext.enforceCallingOrSelfPermission( 10159 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10160 "Only package verification agents can verify applications"); 10161 10162 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 10163 final PackageVerificationResponse response = new PackageVerificationResponse( 10164 verificationCode, Binder.getCallingUid()); 10165 msg.arg1 = id; 10166 msg.obj = response; 10167 mHandler.sendMessage(msg); 10168 } 10169 10170 @Override 10171 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 10172 long millisecondsToDelay) { 10173 mContext.enforceCallingOrSelfPermission( 10174 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 10175 "Only package verification agents can extend verification timeouts"); 10176 10177 final PackageVerificationState state = mPendingVerification.get(id); 10178 final PackageVerificationResponse response = new PackageVerificationResponse( 10179 verificationCodeAtTimeout, Binder.getCallingUid()); 10180 10181 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 10182 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 10183 } 10184 if (millisecondsToDelay < 0) { 10185 millisecondsToDelay = 0; 10186 } 10187 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 10188 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 10189 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 10190 } 10191 10192 if ((state != null) && !state.timeoutExtended()) { 10193 state.extendTimeout(); 10194 10195 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 10196 msg.arg1 = id; 10197 msg.obj = response; 10198 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 10199 } 10200 } 10201 10202 private void broadcastPackageVerified(int verificationId, Uri packageUri, 10203 int verificationCode, UserHandle user) { 10204 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 10205 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 10206 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 10207 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 10208 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 10209 10210 mContext.sendBroadcastAsUser(intent, user, 10211 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 10212 } 10213 10214 private ComponentName matchComponentForVerifier(String packageName, 10215 List<ResolveInfo> receivers) { 10216 ActivityInfo targetReceiver = null; 10217 10218 final int NR = receivers.size(); 10219 for (int i = 0; i < NR; i++) { 10220 final ResolveInfo info = receivers.get(i); 10221 if (info.activityInfo == null) { 10222 continue; 10223 } 10224 10225 if (packageName.equals(info.activityInfo.packageName)) { 10226 targetReceiver = info.activityInfo; 10227 break; 10228 } 10229 } 10230 10231 if (targetReceiver == null) { 10232 return null; 10233 } 10234 10235 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 10236 } 10237 10238 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 10239 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 10240 if (pkgInfo.verifiers.length == 0) { 10241 return null; 10242 } 10243 10244 final int N = pkgInfo.verifiers.length; 10245 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 10246 for (int i = 0; i < N; i++) { 10247 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 10248 10249 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 10250 receivers); 10251 if (comp == null) { 10252 continue; 10253 } 10254 10255 final int verifierUid = getUidForVerifier(verifierInfo); 10256 if (verifierUid == -1) { 10257 continue; 10258 } 10259 10260 if (DEBUG_VERIFY) { 10261 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 10262 + " with the correct signature"); 10263 } 10264 sufficientVerifiers.add(comp); 10265 verificationState.addSufficientVerifier(verifierUid); 10266 } 10267 10268 return sufficientVerifiers; 10269 } 10270 10271 private int getUidForVerifier(VerifierInfo verifierInfo) { 10272 synchronized (mPackages) { 10273 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 10274 if (pkg == null) { 10275 return -1; 10276 } else if (pkg.mSignatures.length != 1) { 10277 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 10278 + " has more than one signature; ignoring"); 10279 return -1; 10280 } 10281 10282 /* 10283 * If the public key of the package's signature does not match 10284 * our expected public key, then this is a different package and 10285 * we should skip. 10286 */ 10287 10288 final byte[] expectedPublicKey; 10289 try { 10290 final Signature verifierSig = pkg.mSignatures[0]; 10291 final PublicKey publicKey = verifierSig.getPublicKey(); 10292 expectedPublicKey = publicKey.getEncoded(); 10293 } catch (CertificateException e) { 10294 return -1; 10295 } 10296 10297 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 10298 10299 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 10300 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 10301 + " does not have the expected public key; ignoring"); 10302 return -1; 10303 } 10304 10305 return pkg.applicationInfo.uid; 10306 } 10307 } 10308 10309 @Override 10310 public void finishPackageInstall(int token) { 10311 enforceSystemOrRoot("Only the system is allowed to finish installs"); 10312 10313 if (DEBUG_INSTALL) { 10314 Slog.v(TAG, "BM finishing package install for " + token); 10315 } 10316 Trace.asyncTraceEnd(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 10317 10318 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 10319 mHandler.sendMessage(msg); 10320 } 10321 10322 /** 10323 * Get the verification agent timeout. 10324 * 10325 * @return verification timeout in milliseconds 10326 */ 10327 private long getVerificationTimeout() { 10328 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 10329 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 10330 DEFAULT_VERIFICATION_TIMEOUT); 10331 } 10332 10333 /** 10334 * Get the default verification agent response code. 10335 * 10336 * @return default verification response code 10337 */ 10338 private int getDefaultVerificationResponse() { 10339 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10340 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 10341 DEFAULT_VERIFICATION_RESPONSE); 10342 } 10343 10344 /** 10345 * Check whether or not package verification has been enabled. 10346 * 10347 * @return true if verification should be performed 10348 */ 10349 private boolean isVerificationEnabled(int userId, int installFlags) { 10350 if (!DEFAULT_VERIFY_ENABLE) { 10351 return false; 10352 } 10353 // Ephemeral apps don't get the full verification treatment 10354 if ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0) { 10355 if (DEBUG_EPHEMERAL) { 10356 Slog.d(TAG, "INSTALL_EPHEMERAL so skipping verification"); 10357 } 10358 return false; 10359 } 10360 10361 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 10362 10363 // Check if installing from ADB 10364 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 10365 // Do not run verification in a test harness environment 10366 if (ActivityManager.isRunningInTestHarness()) { 10367 return false; 10368 } 10369 if (ensureVerifyAppsEnabled) { 10370 return true; 10371 } 10372 // Check if the developer does not want package verification for ADB installs 10373 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10374 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 10375 return false; 10376 } 10377 } 10378 10379 if (ensureVerifyAppsEnabled) { 10380 return true; 10381 } 10382 10383 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10384 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 10385 } 10386 10387 @Override 10388 public void verifyIntentFilter(int id, int verificationCode, List<String> failedDomains) 10389 throws RemoteException { 10390 mContext.enforceCallingOrSelfPermission( 10391 Manifest.permission.INTENT_FILTER_VERIFICATION_AGENT, 10392 "Only intentfilter verification agents can verify applications"); 10393 10394 final Message msg = mHandler.obtainMessage(INTENT_FILTER_VERIFIED); 10395 final IntentFilterVerificationResponse response = new IntentFilterVerificationResponse( 10396 Binder.getCallingUid(), verificationCode, failedDomains); 10397 msg.arg1 = id; 10398 msg.obj = response; 10399 mHandler.sendMessage(msg); 10400 } 10401 10402 @Override 10403 public int getIntentVerificationStatus(String packageName, int userId) { 10404 synchronized (mPackages) { 10405 return mSettings.getIntentFilterVerificationStatusLPr(packageName, userId); 10406 } 10407 } 10408 10409 @Override 10410 public boolean updateIntentVerificationStatus(String packageName, int status, int userId) { 10411 mContext.enforceCallingOrSelfPermission( 10412 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10413 10414 boolean result = false; 10415 synchronized (mPackages) { 10416 result = mSettings.updateIntentFilterVerificationStatusLPw(packageName, status, userId); 10417 } 10418 if (result) { 10419 scheduleWritePackageRestrictionsLocked(userId); 10420 } 10421 return result; 10422 } 10423 10424 @Override 10425 public List<IntentFilterVerificationInfo> getIntentFilterVerifications(String packageName) { 10426 synchronized (mPackages) { 10427 return mSettings.getIntentFilterVerificationsLPr(packageName); 10428 } 10429 } 10430 10431 @Override 10432 public List<IntentFilter> getAllIntentFilters(String packageName) { 10433 if (TextUtils.isEmpty(packageName)) { 10434 return Collections.<IntentFilter>emptyList(); 10435 } 10436 synchronized (mPackages) { 10437 PackageParser.Package pkg = mPackages.get(packageName); 10438 if (pkg == null || pkg.activities == null) { 10439 return Collections.<IntentFilter>emptyList(); 10440 } 10441 final int count = pkg.activities.size(); 10442 ArrayList<IntentFilter> result = new ArrayList<>(); 10443 for (int n=0; n<count; n++) { 10444 PackageParser.Activity activity = pkg.activities.get(n); 10445 if (activity.intents != null && activity.intents.size() > 0) { 10446 result.addAll(activity.intents); 10447 } 10448 } 10449 return result; 10450 } 10451 } 10452 10453 @Override 10454 public boolean setDefaultBrowserPackageName(String packageName, int userId) { 10455 mContext.enforceCallingOrSelfPermission( 10456 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 10457 10458 synchronized (mPackages) { 10459 boolean result = mSettings.setDefaultBrowserPackageNameLPw(packageName, userId); 10460 if (packageName != null) { 10461 result |= updateIntentVerificationStatus(packageName, 10462 PackageManager.INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ALWAYS, 10463 userId); 10464 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultBrowserLPr( 10465 packageName, userId); 10466 } 10467 return result; 10468 } 10469 } 10470 10471 @Override 10472 public String getDefaultBrowserPackageName(int userId) { 10473 synchronized (mPackages) { 10474 return mSettings.getDefaultBrowserPackageNameLPw(userId); 10475 } 10476 } 10477 10478 /** 10479 * Get the "allow unknown sources" setting. 10480 * 10481 * @return the current "allow unknown sources" setting 10482 */ 10483 private int getUnknownSourcesSettings() { 10484 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 10485 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 10486 -1); 10487 } 10488 10489 @Override 10490 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 10491 final int uid = Binder.getCallingUid(); 10492 // writer 10493 synchronized (mPackages) { 10494 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 10495 if (targetPackageSetting == null) { 10496 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 10497 } 10498 10499 PackageSetting installerPackageSetting; 10500 if (installerPackageName != null) { 10501 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 10502 if (installerPackageSetting == null) { 10503 throw new IllegalArgumentException("Unknown installer package: " 10504 + installerPackageName); 10505 } 10506 } else { 10507 installerPackageSetting = null; 10508 } 10509 10510 Signature[] callerSignature; 10511 Object obj = mSettings.getUserIdLPr(uid); 10512 if (obj != null) { 10513 if (obj instanceof SharedUserSetting) { 10514 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 10515 } else if (obj instanceof PackageSetting) { 10516 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 10517 } else { 10518 throw new SecurityException("Bad object " + obj + " for uid " + uid); 10519 } 10520 } else { 10521 throw new SecurityException("Unknown calling UID: " + uid); 10522 } 10523 10524 // Verify: can't set installerPackageName to a package that is 10525 // not signed with the same cert as the caller. 10526 if (installerPackageSetting != null) { 10527 if (compareSignatures(callerSignature, 10528 installerPackageSetting.signatures.mSignatures) 10529 != PackageManager.SIGNATURE_MATCH) { 10530 throw new SecurityException( 10531 "Caller does not have same cert as new installer package " 10532 + installerPackageName); 10533 } 10534 } 10535 10536 // Verify: if target already has an installer package, it must 10537 // be signed with the same cert as the caller. 10538 if (targetPackageSetting.installerPackageName != null) { 10539 PackageSetting setting = mSettings.mPackages.get( 10540 targetPackageSetting.installerPackageName); 10541 // If the currently set package isn't valid, then it's always 10542 // okay to change it. 10543 if (setting != null) { 10544 if (compareSignatures(callerSignature, 10545 setting.signatures.mSignatures) 10546 != PackageManager.SIGNATURE_MATCH) { 10547 throw new SecurityException( 10548 "Caller does not have same cert as old installer package " 10549 + targetPackageSetting.installerPackageName); 10550 } 10551 } 10552 } 10553 10554 // Okay! 10555 targetPackageSetting.installerPackageName = installerPackageName; 10556 scheduleWriteSettingsLocked(); 10557 } 10558 } 10559 10560 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 10561 // Queue up an async operation since the package installation may take a little while. 10562 mHandler.post(new Runnable() { 10563 public void run() { 10564 mHandler.removeCallbacks(this); 10565 // Result object to be returned 10566 PackageInstalledInfo res = new PackageInstalledInfo(); 10567 res.returnCode = currentStatus; 10568 res.uid = -1; 10569 res.pkg = null; 10570 res.removedInfo = new PackageRemovedInfo(); 10571 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10572 args.doPreInstall(res.returnCode); 10573 synchronized (mInstallLock) { 10574 installPackageTracedLI(args, res); 10575 } 10576 args.doPostInstall(res.returnCode, res.uid); 10577 } 10578 10579 // A restore should be performed at this point if (a) the install 10580 // succeeded, (b) the operation is not an update, and (c) the new 10581 // package has not opted out of backup participation. 10582 final boolean update = res.removedInfo.removedPackage != null; 10583 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 10584 boolean doRestore = !update 10585 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 10586 10587 // Set up the post-install work request bookkeeping. This will be used 10588 // and cleaned up by the post-install event handling regardless of whether 10589 // there's a restore pass performed. Token values are >= 1. 10590 int token; 10591 if (mNextInstallToken < 0) mNextInstallToken = 1; 10592 token = mNextInstallToken++; 10593 10594 PostInstallData data = new PostInstallData(args, res); 10595 mRunningInstalls.put(token, data); 10596 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 10597 10598 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 10599 // Pass responsibility to the Backup Manager. It will perform a 10600 // restore if appropriate, then pass responsibility back to the 10601 // Package Manager to run the post-install observer callbacks 10602 // and broadcasts. 10603 IBackupManager bm = IBackupManager.Stub.asInterface( 10604 ServiceManager.getService(Context.BACKUP_SERVICE)); 10605 if (bm != null) { 10606 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 10607 + " to BM for possible restore"); 10608 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "restore", token); 10609 try { 10610 // TODO: http://b/22388012 10611 if (bm.isBackupServiceActive(UserHandle.USER_SYSTEM)) { 10612 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 10613 } else { 10614 doRestore = false; 10615 } 10616 } catch (RemoteException e) { 10617 // can't happen; the backup manager is local 10618 } catch (Exception e) { 10619 Slog.e(TAG, "Exception trying to enqueue restore", e); 10620 doRestore = false; 10621 } 10622 } else { 10623 Slog.e(TAG, "Backup Manager not found!"); 10624 doRestore = false; 10625 } 10626 } 10627 10628 if (!doRestore) { 10629 // No restore possible, or the Backup Manager was mysteriously not 10630 // available -- just fire the post-install work request directly. 10631 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 10632 10633 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "postInstall", token); 10634 10635 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 10636 mHandler.sendMessage(msg); 10637 } 10638 } 10639 }); 10640 } 10641 10642 private abstract class HandlerParams { 10643 private static final int MAX_RETRIES = 4; 10644 10645 /** 10646 * Number of times startCopy() has been attempted and had a non-fatal 10647 * error. 10648 */ 10649 private int mRetries = 0; 10650 10651 /** User handle for the user requesting the information or installation. */ 10652 private final UserHandle mUser; 10653 String traceMethod; 10654 int traceCookie; 10655 10656 HandlerParams(UserHandle user) { 10657 mUser = user; 10658 } 10659 10660 UserHandle getUser() { 10661 return mUser; 10662 } 10663 10664 HandlerParams setTraceMethod(String traceMethod) { 10665 this.traceMethod = traceMethod; 10666 return this; 10667 } 10668 10669 HandlerParams setTraceCookie(int traceCookie) { 10670 this.traceCookie = traceCookie; 10671 return this; 10672 } 10673 10674 final boolean startCopy() { 10675 boolean res; 10676 try { 10677 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 10678 10679 if (++mRetries > MAX_RETRIES) { 10680 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 10681 mHandler.sendEmptyMessage(MCS_GIVE_UP); 10682 handleServiceError(); 10683 return false; 10684 } else { 10685 handleStartCopy(); 10686 res = true; 10687 } 10688 } catch (RemoteException e) { 10689 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 10690 mHandler.sendEmptyMessage(MCS_RECONNECT); 10691 res = false; 10692 } 10693 handleReturnCode(); 10694 return res; 10695 } 10696 10697 final void serviceError() { 10698 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 10699 handleServiceError(); 10700 handleReturnCode(); 10701 } 10702 10703 abstract void handleStartCopy() throws RemoteException; 10704 abstract void handleServiceError(); 10705 abstract void handleReturnCode(); 10706 } 10707 10708 class MeasureParams extends HandlerParams { 10709 private final PackageStats mStats; 10710 private boolean mSuccess; 10711 10712 private final IPackageStatsObserver mObserver; 10713 10714 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 10715 super(new UserHandle(stats.userHandle)); 10716 mObserver = observer; 10717 mStats = stats; 10718 } 10719 10720 @Override 10721 public String toString() { 10722 return "MeasureParams{" 10723 + Integer.toHexString(System.identityHashCode(this)) 10724 + " " + mStats.packageName + "}"; 10725 } 10726 10727 @Override 10728 void handleStartCopy() throws RemoteException { 10729 synchronized (mInstallLock) { 10730 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 10731 } 10732 10733 if (mSuccess) { 10734 final boolean mounted; 10735 if (Environment.isExternalStorageEmulated()) { 10736 mounted = true; 10737 } else { 10738 final String status = Environment.getExternalStorageState(); 10739 mounted = (Environment.MEDIA_MOUNTED.equals(status) 10740 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 10741 } 10742 10743 if (mounted) { 10744 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 10745 10746 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 10747 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 10748 10749 mStats.externalDataSize = calculateDirectorySize(mContainerService, 10750 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 10751 10752 // Always subtract cache size, since it's a subdirectory 10753 mStats.externalDataSize -= mStats.externalCacheSize; 10754 10755 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 10756 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 10757 10758 mStats.externalObbSize = calculateDirectorySize(mContainerService, 10759 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 10760 } 10761 } 10762 } 10763 10764 @Override 10765 void handleReturnCode() { 10766 if (mObserver != null) { 10767 try { 10768 mObserver.onGetStatsCompleted(mStats, mSuccess); 10769 } catch (RemoteException e) { 10770 Slog.i(TAG, "Observer no longer exists."); 10771 } 10772 } 10773 } 10774 10775 @Override 10776 void handleServiceError() { 10777 Slog.e(TAG, "Could not measure application " + mStats.packageName 10778 + " external storage"); 10779 } 10780 } 10781 10782 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 10783 throws RemoteException { 10784 long result = 0; 10785 for (File path : paths) { 10786 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 10787 } 10788 return result; 10789 } 10790 10791 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 10792 for (File path : paths) { 10793 try { 10794 mcs.clearDirectory(path.getAbsolutePath()); 10795 } catch (RemoteException e) { 10796 } 10797 } 10798 } 10799 10800 static class OriginInfo { 10801 /** 10802 * Location where install is coming from, before it has been 10803 * copied/renamed into place. This could be a single monolithic APK 10804 * file, or a cluster directory. This location may be untrusted. 10805 */ 10806 final File file; 10807 final String cid; 10808 10809 /** 10810 * Flag indicating that {@link #file} or {@link #cid} has already been 10811 * staged, meaning downstream users don't need to defensively copy the 10812 * contents. 10813 */ 10814 final boolean staged; 10815 10816 /** 10817 * Flag indicating that {@link #file} or {@link #cid} is an already 10818 * installed app that is being moved. 10819 */ 10820 final boolean existing; 10821 10822 final String resolvedPath; 10823 final File resolvedFile; 10824 10825 static OriginInfo fromNothing() { 10826 return new OriginInfo(null, null, false, false); 10827 } 10828 10829 static OriginInfo fromUntrustedFile(File file) { 10830 return new OriginInfo(file, null, false, false); 10831 } 10832 10833 static OriginInfo fromExistingFile(File file) { 10834 return new OriginInfo(file, null, false, true); 10835 } 10836 10837 static OriginInfo fromStagedFile(File file) { 10838 return new OriginInfo(file, null, true, false); 10839 } 10840 10841 static OriginInfo fromStagedContainer(String cid) { 10842 return new OriginInfo(null, cid, true, false); 10843 } 10844 10845 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 10846 this.file = file; 10847 this.cid = cid; 10848 this.staged = staged; 10849 this.existing = existing; 10850 10851 if (cid != null) { 10852 resolvedPath = PackageHelper.getSdDir(cid); 10853 resolvedFile = new File(resolvedPath); 10854 } else if (file != null) { 10855 resolvedPath = file.getAbsolutePath(); 10856 resolvedFile = file; 10857 } else { 10858 resolvedPath = null; 10859 resolvedFile = null; 10860 } 10861 } 10862 } 10863 10864 static class MoveInfo { 10865 final int moveId; 10866 final String fromUuid; 10867 final String toUuid; 10868 final String packageName; 10869 final String dataAppName; 10870 final int appId; 10871 final String seinfo; 10872 10873 public MoveInfo(int moveId, String fromUuid, String toUuid, String packageName, 10874 String dataAppName, int appId, String seinfo) { 10875 this.moveId = moveId; 10876 this.fromUuid = fromUuid; 10877 this.toUuid = toUuid; 10878 this.packageName = packageName; 10879 this.dataAppName = dataAppName; 10880 this.appId = appId; 10881 this.seinfo = seinfo; 10882 } 10883 } 10884 10885 class InstallParams extends HandlerParams { 10886 final OriginInfo origin; 10887 final MoveInfo move; 10888 final IPackageInstallObserver2 observer; 10889 int installFlags; 10890 final String installerPackageName; 10891 final String volumeUuid; 10892 final VerificationParams verificationParams; 10893 private InstallArgs mArgs; 10894 private int mRet; 10895 final String packageAbiOverride; 10896 final String[] grantedRuntimePermissions; 10897 10898 InstallParams(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 10899 int installFlags, String installerPackageName, String volumeUuid, 10900 VerificationParams verificationParams, UserHandle user, String packageAbiOverride, 10901 String[] grantedPermissions) { 10902 super(user); 10903 this.origin = origin; 10904 this.move = move; 10905 this.observer = observer; 10906 this.installFlags = installFlags; 10907 this.installerPackageName = installerPackageName; 10908 this.volumeUuid = volumeUuid; 10909 this.verificationParams = verificationParams; 10910 this.packageAbiOverride = packageAbiOverride; 10911 this.grantedRuntimePermissions = grantedPermissions; 10912 } 10913 10914 @Override 10915 public String toString() { 10916 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 10917 + " file=" + origin.file + " cid=" + origin.cid + "}"; 10918 } 10919 10920 private int installLocationPolicy(PackageInfoLite pkgLite) { 10921 String packageName = pkgLite.packageName; 10922 int installLocation = pkgLite.installLocation; 10923 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 10924 // reader 10925 synchronized (mPackages) { 10926 PackageParser.Package pkg = mPackages.get(packageName); 10927 if (pkg != null) { 10928 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10929 // Check for downgrading. 10930 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 10931 try { 10932 checkDowngrade(pkg, pkgLite); 10933 } catch (PackageManagerException e) { 10934 Slog.w(TAG, "Downgrade detected: " + e.getMessage()); 10935 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 10936 } 10937 } 10938 // Check for updated system application. 10939 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 10940 if (onSd) { 10941 Slog.w(TAG, "Cannot install update to system app on sdcard"); 10942 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 10943 } 10944 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10945 } else { 10946 if (onSd) { 10947 // Install flag overrides everything. 10948 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10949 } 10950 // If current upgrade specifies particular preference 10951 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 10952 // Application explicitly specified internal. 10953 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10954 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 10955 // App explictly prefers external. Let policy decide 10956 } else { 10957 // Prefer previous location 10958 if (isExternal(pkg)) { 10959 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10960 } 10961 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 10962 } 10963 } 10964 } else { 10965 // Invalid install. Return error code 10966 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 10967 } 10968 } 10969 } 10970 // All the special cases have been taken care of. 10971 // Return result based on recommended install location. 10972 if (onSd) { 10973 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 10974 } 10975 return pkgLite.recommendedInstallLocation; 10976 } 10977 10978 /* 10979 * Invoke remote method to get package information and install 10980 * location values. Override install location based on default 10981 * policy if needed and then create install arguments based 10982 * on the install location. 10983 */ 10984 public void handleStartCopy() throws RemoteException { 10985 int ret = PackageManager.INSTALL_SUCCEEDED; 10986 10987 // If we're already staged, we've firmly committed to an install location 10988 if (origin.staged) { 10989 if (origin.file != null) { 10990 installFlags |= PackageManager.INSTALL_INTERNAL; 10991 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 10992 } else if (origin.cid != null) { 10993 installFlags |= PackageManager.INSTALL_EXTERNAL; 10994 installFlags &= ~PackageManager.INSTALL_INTERNAL; 10995 } else { 10996 throw new IllegalStateException("Invalid stage location"); 10997 } 10998 } 10999 11000 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11001 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 11002 final boolean ephemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 11003 PackageInfoLite pkgLite = null; 11004 11005 if (onInt && onSd) { 11006 // Check if both bits are set. 11007 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 11008 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11009 } else if (onSd && ephemeral) { 11010 Slog.w(TAG, "Conflicting flags specified for installing ephemeral on external"); 11011 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11012 } else { 11013 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 11014 packageAbiOverride); 11015 11016 if (DEBUG_EPHEMERAL && ephemeral) { 11017 Slog.v(TAG, "pkgLite for install: " + pkgLite); 11018 } 11019 11020 /* 11021 * If we have too little free space, try to free cache 11022 * before giving up. 11023 */ 11024 if (!origin.staged && pkgLite.recommendedInstallLocation 11025 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 11026 // TODO: focus freeing disk space on the target device 11027 final StorageManager storage = StorageManager.from(mContext); 11028 final long lowThreshold = storage.getStorageLowBytes( 11029 Environment.getDataDirectory()); 11030 11031 final long sizeBytes = mContainerService.calculateInstalledSize( 11032 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 11033 11034 try { 11035 mInstaller.freeCache(null, sizeBytes + lowThreshold); 11036 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 11037 installFlags, packageAbiOverride); 11038 } catch (InstallerException e) { 11039 Slog.w(TAG, "Failed to free cache", e); 11040 } 11041 11042 /* 11043 * The cache free must have deleted the file we 11044 * downloaded to install. 11045 * 11046 * TODO: fix the "freeCache" call to not delete 11047 * the file we care about. 11048 */ 11049 if (pkgLite.recommendedInstallLocation 11050 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 11051 pkgLite.recommendedInstallLocation 11052 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 11053 } 11054 } 11055 } 11056 11057 if (ret == PackageManager.INSTALL_SUCCEEDED) { 11058 int loc = pkgLite.recommendedInstallLocation; 11059 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 11060 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 11061 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 11062 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 11063 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 11064 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 11065 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 11066 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 11067 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 11068 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 11069 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 11070 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 11071 } else { 11072 // Override with defaults if needed. 11073 loc = installLocationPolicy(pkgLite); 11074 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 11075 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 11076 } else if (!onSd && !onInt) { 11077 // Override install location with flags 11078 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 11079 // Set the flag to install on external media. 11080 installFlags |= PackageManager.INSTALL_EXTERNAL; 11081 installFlags &= ~PackageManager.INSTALL_INTERNAL; 11082 } else if (loc == PackageHelper.RECOMMEND_INSTALL_EPHEMERAL) { 11083 if (DEBUG_EPHEMERAL) { 11084 Slog.v(TAG, "...setting INSTALL_EPHEMERAL install flag"); 11085 } 11086 installFlags |= PackageManager.INSTALL_EPHEMERAL; 11087 installFlags &= ~(PackageManager.INSTALL_EXTERNAL 11088 |PackageManager.INSTALL_INTERNAL); 11089 } else { 11090 // Make sure the flag for installing on external 11091 // media is unset 11092 installFlags |= PackageManager.INSTALL_INTERNAL; 11093 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 11094 } 11095 } 11096 } 11097 } 11098 11099 final InstallArgs args = createInstallArgs(this); 11100 mArgs = args; 11101 11102 if (ret == PackageManager.INSTALL_SUCCEEDED) { 11103 // TODO: http://b/22976637 11104 // Apps installed for "all" users use the device owner to verify the app 11105 UserHandle verifierUser = getUser(); 11106 if (verifierUser == UserHandle.ALL) { 11107 verifierUser = UserHandle.SYSTEM; 11108 } 11109 11110 /* 11111 * Determine if we have any installed package verifiers. If we 11112 * do, then we'll defer to them to verify the packages. 11113 */ 11114 final int requiredUid = mRequiredVerifierPackage == null ? -1 11115 : getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 11116 verifierUser.getIdentifier()); 11117 if (!origin.existing && requiredUid != -1 11118 && isVerificationEnabled(verifierUser.getIdentifier(), installFlags)) { 11119 final Intent verification = new Intent( 11120 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 11121 verification.addFlags(Intent.FLAG_RECEIVER_FOREGROUND); 11122 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 11123 PACKAGE_MIME_TYPE); 11124 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 11125 11126 // Query all live verifiers based on current user state 11127 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 11128 PACKAGE_MIME_TYPE, 0, verifierUser.getIdentifier()); 11129 11130 if (DEBUG_VERIFY) { 11131 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 11132 + verification.toString() + " with " + pkgLite.verifiers.length 11133 + " optional verifiers"); 11134 } 11135 11136 final int verificationId = mPendingVerificationToken++; 11137 11138 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 11139 11140 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 11141 installerPackageName); 11142 11143 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 11144 installFlags); 11145 11146 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 11147 pkgLite.packageName); 11148 11149 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 11150 pkgLite.versionCode); 11151 11152 if (verificationParams != null) { 11153 if (verificationParams.getVerificationURI() != null) { 11154 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 11155 verificationParams.getVerificationURI()); 11156 } 11157 if (verificationParams.getOriginatingURI() != null) { 11158 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 11159 verificationParams.getOriginatingURI()); 11160 } 11161 if (verificationParams.getReferrer() != null) { 11162 verification.putExtra(Intent.EXTRA_REFERRER, 11163 verificationParams.getReferrer()); 11164 } 11165 if (verificationParams.getOriginatingUid() >= 0) { 11166 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 11167 verificationParams.getOriginatingUid()); 11168 } 11169 if (verificationParams.getInstallerUid() >= 0) { 11170 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 11171 verificationParams.getInstallerUid()); 11172 } 11173 } 11174 11175 final PackageVerificationState verificationState = new PackageVerificationState( 11176 requiredUid, args); 11177 11178 mPendingVerification.append(verificationId, verificationState); 11179 11180 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 11181 receivers, verificationState); 11182 11183 /* 11184 * If any sufficient verifiers were listed in the package 11185 * manifest, attempt to ask them. 11186 */ 11187 if (sufficientVerifiers != null) { 11188 final int N = sufficientVerifiers.size(); 11189 if (N == 0) { 11190 Slog.i(TAG, "Additional verifiers required, but none installed."); 11191 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 11192 } else { 11193 for (int i = 0; i < N; i++) { 11194 final ComponentName verifierComponent = sufficientVerifiers.get(i); 11195 11196 final Intent sufficientIntent = new Intent(verification); 11197 sufficientIntent.setComponent(verifierComponent); 11198 mContext.sendBroadcastAsUser(sufficientIntent, verifierUser); 11199 } 11200 } 11201 } 11202 11203 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 11204 mRequiredVerifierPackage, receivers); 11205 if (ret == PackageManager.INSTALL_SUCCEEDED 11206 && mRequiredVerifierPackage != null) { 11207 Trace.asyncTraceBegin( 11208 TRACE_TAG_PACKAGE_MANAGER, "verification", verificationId); 11209 /* 11210 * Send the intent to the required verification agent, 11211 * but only start the verification timeout after the 11212 * target BroadcastReceivers have run. 11213 */ 11214 verification.setComponent(requiredVerifierComponent); 11215 mContext.sendOrderedBroadcastAsUser(verification, verifierUser, 11216 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 11217 new BroadcastReceiver() { 11218 @Override 11219 public void onReceive(Context context, Intent intent) { 11220 final Message msg = mHandler 11221 .obtainMessage(CHECK_PENDING_VERIFICATION); 11222 msg.arg1 = verificationId; 11223 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 11224 } 11225 }, null, 0, null, null); 11226 11227 /* 11228 * We don't want the copy to proceed until verification 11229 * succeeds, so null out this field. 11230 */ 11231 mArgs = null; 11232 } 11233 } else { 11234 /* 11235 * No package verification is enabled, so immediately start 11236 * the remote call to initiate copy using temporary file. 11237 */ 11238 ret = args.copyApk(mContainerService, true); 11239 } 11240 } 11241 11242 mRet = ret; 11243 } 11244 11245 @Override 11246 void handleReturnCode() { 11247 // If mArgs is null, then MCS couldn't be reached. When it 11248 // reconnects, it will try again to install. At that point, this 11249 // will succeed. 11250 if (mArgs != null) { 11251 processPendingInstall(mArgs, mRet); 11252 } 11253 } 11254 11255 @Override 11256 void handleServiceError() { 11257 mArgs = createInstallArgs(this); 11258 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11259 } 11260 11261 public boolean isForwardLocked() { 11262 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11263 } 11264 } 11265 11266 /** 11267 * Used during creation of InstallArgs 11268 * 11269 * @param installFlags package installation flags 11270 * @return true if should be installed on external storage 11271 */ 11272 private static boolean installOnExternalAsec(int installFlags) { 11273 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 11274 return false; 11275 } 11276 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 11277 return true; 11278 } 11279 return false; 11280 } 11281 11282 /** 11283 * Used during creation of InstallArgs 11284 * 11285 * @param installFlags package installation flags 11286 * @return true if should be installed as forward locked 11287 */ 11288 private static boolean installForwardLocked(int installFlags) { 11289 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11290 } 11291 11292 private InstallArgs createInstallArgs(InstallParams params) { 11293 if (params.move != null) { 11294 return new MoveInstallArgs(params); 11295 } else if (installOnExternalAsec(params.installFlags) || params.isForwardLocked()) { 11296 return new AsecInstallArgs(params); 11297 } else { 11298 return new FileInstallArgs(params); 11299 } 11300 } 11301 11302 /** 11303 * Create args that describe an existing installed package. Typically used 11304 * when cleaning up old installs, or used as a move source. 11305 */ 11306 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 11307 String resourcePath, String[] instructionSets) { 11308 final boolean isInAsec; 11309 if (installOnExternalAsec(installFlags)) { 11310 /* Apps on SD card are always in ASEC containers. */ 11311 isInAsec = true; 11312 } else if (installForwardLocked(installFlags) 11313 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 11314 /* 11315 * Forward-locked apps are only in ASEC containers if they're the 11316 * new style 11317 */ 11318 isInAsec = true; 11319 } else { 11320 isInAsec = false; 11321 } 11322 11323 if (isInAsec) { 11324 return new AsecInstallArgs(codePath, instructionSets, 11325 installOnExternalAsec(installFlags), installForwardLocked(installFlags)); 11326 } else { 11327 return new FileInstallArgs(codePath, resourcePath, instructionSets); 11328 } 11329 } 11330 11331 static abstract class InstallArgs { 11332 /** @see InstallParams#origin */ 11333 final OriginInfo origin; 11334 /** @see InstallParams#move */ 11335 final MoveInfo move; 11336 11337 final IPackageInstallObserver2 observer; 11338 // Always refers to PackageManager flags only 11339 final int installFlags; 11340 final String installerPackageName; 11341 final String volumeUuid; 11342 final UserHandle user; 11343 final String abiOverride; 11344 final String[] installGrantPermissions; 11345 /** If non-null, drop an async trace when the install completes */ 11346 final String traceMethod; 11347 final int traceCookie; 11348 11349 // The list of instruction sets supported by this app. This is currently 11350 // only used during the rmdex() phase to clean up resources. We can get rid of this 11351 // if we move dex files under the common app path. 11352 /* nullable */ String[] instructionSets; 11353 11354 InstallArgs(OriginInfo origin, MoveInfo move, IPackageInstallObserver2 observer, 11355 int installFlags, String installerPackageName, String volumeUuid, 11356 UserHandle user, String[] instructionSets, 11357 String abiOverride, String[] installGrantPermissions, 11358 String traceMethod, int traceCookie) { 11359 this.origin = origin; 11360 this.move = move; 11361 this.installFlags = installFlags; 11362 this.observer = observer; 11363 this.installerPackageName = installerPackageName; 11364 this.volumeUuid = volumeUuid; 11365 this.user = user; 11366 this.instructionSets = instructionSets; 11367 this.abiOverride = abiOverride; 11368 this.installGrantPermissions = installGrantPermissions; 11369 this.traceMethod = traceMethod; 11370 this.traceCookie = traceCookie; 11371 } 11372 11373 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 11374 abstract int doPreInstall(int status); 11375 11376 /** 11377 * Rename package into final resting place. All paths on the given 11378 * scanned package should be updated to reflect the rename. 11379 */ 11380 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 11381 abstract int doPostInstall(int status, int uid); 11382 11383 /** @see PackageSettingBase#codePathString */ 11384 abstract String getCodePath(); 11385 /** @see PackageSettingBase#resourcePathString */ 11386 abstract String getResourcePath(); 11387 11388 // Need installer lock especially for dex file removal. 11389 abstract void cleanUpResourcesLI(); 11390 abstract boolean doPostDeleteLI(boolean delete); 11391 11392 /** 11393 * Called before the source arguments are copied. This is used mostly 11394 * for MoveParams when it needs to read the source file to put it in the 11395 * destination. 11396 */ 11397 int doPreCopy() { 11398 return PackageManager.INSTALL_SUCCEEDED; 11399 } 11400 11401 /** 11402 * Called after the source arguments are copied. This is used mostly for 11403 * MoveParams when it needs to read the source file to put it in the 11404 * destination. 11405 * 11406 * @return 11407 */ 11408 int doPostCopy(int uid) { 11409 return PackageManager.INSTALL_SUCCEEDED; 11410 } 11411 11412 protected boolean isFwdLocked() { 11413 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 11414 } 11415 11416 protected boolean isExternalAsec() { 11417 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 11418 } 11419 11420 protected boolean isEphemeral() { 11421 return (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 11422 } 11423 11424 UserHandle getUser() { 11425 return user; 11426 } 11427 } 11428 11429 private void removeDexFiles(List<String> allCodePaths, String[] instructionSets) { 11430 if (!allCodePaths.isEmpty()) { 11431 if (instructionSets == null) { 11432 throw new IllegalStateException("instructionSet == null"); 11433 } 11434 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 11435 for (String codePath : allCodePaths) { 11436 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 11437 try { 11438 mInstaller.rmdex(codePath, dexCodeInstructionSet); 11439 } catch (InstallerException ignored) { 11440 } 11441 } 11442 } 11443 } 11444 } 11445 11446 /** 11447 * Logic to handle installation of non-ASEC applications, including copying 11448 * and renaming logic. 11449 */ 11450 class FileInstallArgs extends InstallArgs { 11451 private File codeFile; 11452 private File resourceFile; 11453 11454 // Example topology: 11455 // /data/app/com.example/base.apk 11456 // /data/app/com.example/split_foo.apk 11457 // /data/app/com.example/lib/arm/libfoo.so 11458 // /data/app/com.example/lib/arm64/libfoo.so 11459 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 11460 11461 /** New install */ 11462 FileInstallArgs(InstallParams params) { 11463 super(params.origin, params.move, params.observer, params.installFlags, 11464 params.installerPackageName, params.volumeUuid, 11465 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11466 params.grantedRuntimePermissions, 11467 params.traceMethod, params.traceCookie); 11468 if (isFwdLocked()) { 11469 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 11470 } 11471 } 11472 11473 /** Existing install */ 11474 FileInstallArgs(String codePath, String resourcePath, String[] instructionSets) { 11475 super(OriginInfo.fromNothing(), null, null, 0, null, null, null, instructionSets, 11476 null, null, null, 0); 11477 this.codeFile = (codePath != null) ? new File(codePath) : null; 11478 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 11479 } 11480 11481 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11482 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "copyApk"); 11483 try { 11484 return doCopyApk(imcs, temp); 11485 } finally { 11486 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 11487 } 11488 } 11489 11490 private int doCopyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11491 if (origin.staged) { 11492 if (DEBUG_INSTALL) Slog.d(TAG, origin.file + " already staged; skipping copy"); 11493 codeFile = origin.file; 11494 resourceFile = origin.file; 11495 return PackageManager.INSTALL_SUCCEEDED; 11496 } 11497 11498 try { 11499 final boolean isEphemeral = (installFlags & PackageManager.INSTALL_EPHEMERAL) != 0; 11500 final File tempDir = 11501 mInstallerService.allocateStageDirLegacy(volumeUuid, isEphemeral); 11502 codeFile = tempDir; 11503 resourceFile = tempDir; 11504 } catch (IOException e) { 11505 Slog.w(TAG, "Failed to create copy file: " + e); 11506 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 11507 } 11508 11509 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 11510 @Override 11511 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 11512 if (!FileUtils.isValidExtFilename(name)) { 11513 throw new IllegalArgumentException("Invalid filename: " + name); 11514 } 11515 try { 11516 final File file = new File(codeFile, name); 11517 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 11518 O_RDWR | O_CREAT, 0644); 11519 Os.chmod(file.getAbsolutePath(), 0644); 11520 return new ParcelFileDescriptor(fd); 11521 } catch (ErrnoException e) { 11522 throw new RemoteException("Failed to open: " + e.getMessage()); 11523 } 11524 } 11525 }; 11526 11527 int ret = PackageManager.INSTALL_SUCCEEDED; 11528 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 11529 if (ret != PackageManager.INSTALL_SUCCEEDED) { 11530 Slog.e(TAG, "Failed to copy package"); 11531 return ret; 11532 } 11533 11534 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 11535 NativeLibraryHelper.Handle handle = null; 11536 try { 11537 handle = NativeLibraryHelper.Handle.create(codeFile); 11538 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 11539 abiOverride); 11540 } catch (IOException e) { 11541 Slog.e(TAG, "Copying native libraries failed", e); 11542 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 11543 } finally { 11544 IoUtils.closeQuietly(handle); 11545 } 11546 11547 return ret; 11548 } 11549 11550 int doPreInstall(int status) { 11551 if (status != PackageManager.INSTALL_SUCCEEDED) { 11552 cleanUp(); 11553 } 11554 return status; 11555 } 11556 11557 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11558 if (status != PackageManager.INSTALL_SUCCEEDED) { 11559 cleanUp(); 11560 return false; 11561 } 11562 11563 final File targetDir = codeFile.getParentFile(); 11564 final File beforeCodeFile = codeFile; 11565 final File afterCodeFile = getNextCodePath(targetDir, pkg.packageName); 11566 11567 if (DEBUG_INSTALL) Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 11568 try { 11569 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 11570 } catch (ErrnoException e) { 11571 Slog.w(TAG, "Failed to rename", e); 11572 return false; 11573 } 11574 11575 if (!SELinux.restoreconRecursive(afterCodeFile)) { 11576 Slog.w(TAG, "Failed to restorecon"); 11577 return false; 11578 } 11579 11580 // Reflect the rename internally 11581 codeFile = afterCodeFile; 11582 resourceFile = afterCodeFile; 11583 11584 // Reflect the rename in scanned details 11585 pkg.codePath = afterCodeFile.getAbsolutePath(); 11586 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11587 pkg.baseCodePath); 11588 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11589 pkg.splitCodePaths); 11590 11591 // Reflect the rename in app info 11592 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11593 pkg.applicationInfo.setCodePath(pkg.codePath); 11594 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11595 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11596 pkg.applicationInfo.setResourcePath(pkg.codePath); 11597 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11598 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11599 11600 return true; 11601 } 11602 11603 int doPostInstall(int status, int uid) { 11604 if (status != PackageManager.INSTALL_SUCCEEDED) { 11605 cleanUp(); 11606 } 11607 return status; 11608 } 11609 11610 @Override 11611 String getCodePath() { 11612 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 11613 } 11614 11615 @Override 11616 String getResourcePath() { 11617 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 11618 } 11619 11620 private boolean cleanUp() { 11621 if (codeFile == null || !codeFile.exists()) { 11622 return false; 11623 } 11624 11625 removeCodePathLI(codeFile); 11626 11627 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 11628 resourceFile.delete(); 11629 } 11630 11631 return true; 11632 } 11633 11634 void cleanUpResourcesLI() { 11635 // Try enumerating all code paths before deleting 11636 List<String> allCodePaths = Collections.EMPTY_LIST; 11637 if (codeFile != null && codeFile.exists()) { 11638 try { 11639 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 11640 allCodePaths = pkg.getAllCodePaths(); 11641 } catch (PackageParserException e) { 11642 // Ignored; we tried our best 11643 } 11644 } 11645 11646 cleanUp(); 11647 removeDexFiles(allCodePaths, instructionSets); 11648 } 11649 11650 boolean doPostDeleteLI(boolean delete) { 11651 // XXX err, shouldn't we respect the delete flag? 11652 cleanUpResourcesLI(); 11653 return true; 11654 } 11655 } 11656 11657 private boolean isAsecExternal(String cid) { 11658 final String asecPath = PackageHelper.getSdFilesystem(cid); 11659 return !asecPath.startsWith(mAsecInternalPath); 11660 } 11661 11662 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 11663 PackageManagerException { 11664 if (copyRet < 0) { 11665 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 11666 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 11667 throw new PackageManagerException(copyRet, message); 11668 } 11669 } 11670 } 11671 11672 /** 11673 * Extract the MountService "container ID" from the full code path of an 11674 * .apk. 11675 */ 11676 static String cidFromCodePath(String fullCodePath) { 11677 int eidx = fullCodePath.lastIndexOf("/"); 11678 String subStr1 = fullCodePath.substring(0, eidx); 11679 int sidx = subStr1.lastIndexOf("/"); 11680 return subStr1.substring(sidx+1, eidx); 11681 } 11682 11683 /** 11684 * Logic to handle installation of ASEC applications, including copying and 11685 * renaming logic. 11686 */ 11687 class AsecInstallArgs extends InstallArgs { 11688 static final String RES_FILE_NAME = "pkg.apk"; 11689 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 11690 11691 String cid; 11692 String packagePath; 11693 String resourcePath; 11694 11695 /** New install */ 11696 AsecInstallArgs(InstallParams params) { 11697 super(params.origin, params.move, params.observer, params.installFlags, 11698 params.installerPackageName, params.volumeUuid, 11699 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11700 params.grantedRuntimePermissions, 11701 params.traceMethod, params.traceCookie); 11702 } 11703 11704 /** Existing install */ 11705 AsecInstallArgs(String fullCodePath, String[] instructionSets, 11706 boolean isExternal, boolean isForwardLocked) { 11707 super(OriginInfo.fromNothing(), null, null, (isExternal ? INSTALL_EXTERNAL : 0) 11708 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 11709 instructionSets, null, null, null, 0); 11710 // Hackily pretend we're still looking at a full code path 11711 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 11712 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 11713 } 11714 11715 // Extract cid from fullCodePath 11716 int eidx = fullCodePath.lastIndexOf("/"); 11717 String subStr1 = fullCodePath.substring(0, eidx); 11718 int sidx = subStr1.lastIndexOf("/"); 11719 cid = subStr1.substring(sidx+1, eidx); 11720 setMountPath(subStr1); 11721 } 11722 11723 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 11724 super(OriginInfo.fromNothing(), null, null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 11725 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 11726 instructionSets, null, null, null, 0); 11727 this.cid = cid; 11728 setMountPath(PackageHelper.getSdDir(cid)); 11729 } 11730 11731 void createCopyFile() { 11732 cid = mInstallerService.allocateExternalStageCidLegacy(); 11733 } 11734 11735 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 11736 if (origin.staged && origin.cid != null) { 11737 if (DEBUG_INSTALL) Slog.d(TAG, origin.cid + " already staged; skipping copy"); 11738 cid = origin.cid; 11739 setMountPath(PackageHelper.getSdDir(cid)); 11740 return PackageManager.INSTALL_SUCCEEDED; 11741 } 11742 11743 if (temp) { 11744 createCopyFile(); 11745 } else { 11746 /* 11747 * Pre-emptively destroy the container since it's destroyed if 11748 * copying fails due to it existing anyway. 11749 */ 11750 PackageHelper.destroySdDir(cid); 11751 } 11752 11753 final String newMountPath = imcs.copyPackageToContainer( 11754 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternalAsec(), 11755 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 11756 11757 if (newMountPath != null) { 11758 setMountPath(newMountPath); 11759 return PackageManager.INSTALL_SUCCEEDED; 11760 } else { 11761 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11762 } 11763 } 11764 11765 @Override 11766 String getCodePath() { 11767 return packagePath; 11768 } 11769 11770 @Override 11771 String getResourcePath() { 11772 return resourcePath; 11773 } 11774 11775 int doPreInstall(int status) { 11776 if (status != PackageManager.INSTALL_SUCCEEDED) { 11777 // Destroy container 11778 PackageHelper.destroySdDir(cid); 11779 } else { 11780 boolean mounted = PackageHelper.isContainerMounted(cid); 11781 if (!mounted) { 11782 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 11783 Process.SYSTEM_UID); 11784 if (newMountPath != null) { 11785 setMountPath(newMountPath); 11786 } else { 11787 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11788 } 11789 } 11790 } 11791 return status; 11792 } 11793 11794 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 11795 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 11796 String newMountPath = null; 11797 if (PackageHelper.isContainerMounted(cid)) { 11798 // Unmount the container 11799 if (!PackageHelper.unMountSdDir(cid)) { 11800 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 11801 return false; 11802 } 11803 } 11804 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 11805 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 11806 " which might be stale. Will try to clean up."); 11807 // Clean up the stale container and proceed to recreate. 11808 if (!PackageHelper.destroySdDir(newCacheId)) { 11809 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 11810 return false; 11811 } 11812 // Successfully cleaned up stale container. Try to rename again. 11813 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 11814 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 11815 + " inspite of cleaning it up."); 11816 return false; 11817 } 11818 } 11819 if (!PackageHelper.isContainerMounted(newCacheId)) { 11820 Slog.w(TAG, "Mounting container " + newCacheId); 11821 newMountPath = PackageHelper.mountSdDir(newCacheId, 11822 getEncryptKey(), Process.SYSTEM_UID); 11823 } else { 11824 newMountPath = PackageHelper.getSdDir(newCacheId); 11825 } 11826 if (newMountPath == null) { 11827 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 11828 return false; 11829 } 11830 Log.i(TAG, "Succesfully renamed " + cid + 11831 " to " + newCacheId + 11832 " at new path: " + newMountPath); 11833 cid = newCacheId; 11834 11835 final File beforeCodeFile = new File(packagePath); 11836 setMountPath(newMountPath); 11837 final File afterCodeFile = new File(packagePath); 11838 11839 // Reflect the rename in scanned details 11840 pkg.codePath = afterCodeFile.getAbsolutePath(); 11841 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11842 pkg.baseCodePath); 11843 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 11844 pkg.splitCodePaths); 11845 11846 // Reflect the rename in app info 11847 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 11848 pkg.applicationInfo.setCodePath(pkg.codePath); 11849 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 11850 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 11851 pkg.applicationInfo.setResourcePath(pkg.codePath); 11852 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 11853 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 11854 11855 return true; 11856 } 11857 11858 private void setMountPath(String mountPath) { 11859 final File mountFile = new File(mountPath); 11860 11861 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 11862 if (monolithicFile.exists()) { 11863 packagePath = monolithicFile.getAbsolutePath(); 11864 if (isFwdLocked()) { 11865 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 11866 } else { 11867 resourcePath = packagePath; 11868 } 11869 } else { 11870 packagePath = mountFile.getAbsolutePath(); 11871 resourcePath = packagePath; 11872 } 11873 } 11874 11875 int doPostInstall(int status, int uid) { 11876 if (status != PackageManager.INSTALL_SUCCEEDED) { 11877 cleanUp(); 11878 } else { 11879 final int groupOwner; 11880 final String protectedFile; 11881 if (isFwdLocked()) { 11882 groupOwner = UserHandle.getSharedAppGid(uid); 11883 protectedFile = RES_FILE_NAME; 11884 } else { 11885 groupOwner = -1; 11886 protectedFile = null; 11887 } 11888 11889 if (uid < Process.FIRST_APPLICATION_UID 11890 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 11891 Slog.e(TAG, "Failed to finalize " + cid); 11892 PackageHelper.destroySdDir(cid); 11893 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11894 } 11895 11896 boolean mounted = PackageHelper.isContainerMounted(cid); 11897 if (!mounted) { 11898 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 11899 } 11900 } 11901 return status; 11902 } 11903 11904 private void cleanUp() { 11905 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 11906 11907 // Destroy secure container 11908 PackageHelper.destroySdDir(cid); 11909 } 11910 11911 private List<String> getAllCodePaths() { 11912 final File codeFile = new File(getCodePath()); 11913 if (codeFile != null && codeFile.exists()) { 11914 try { 11915 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 11916 return pkg.getAllCodePaths(); 11917 } catch (PackageParserException e) { 11918 // Ignored; we tried our best 11919 } 11920 } 11921 return Collections.EMPTY_LIST; 11922 } 11923 11924 void cleanUpResourcesLI() { 11925 // Enumerate all code paths before deleting 11926 cleanUpResourcesLI(getAllCodePaths()); 11927 } 11928 11929 private void cleanUpResourcesLI(List<String> allCodePaths) { 11930 cleanUp(); 11931 removeDexFiles(allCodePaths, instructionSets); 11932 } 11933 11934 String getPackageName() { 11935 return getAsecPackageName(cid); 11936 } 11937 11938 boolean doPostDeleteLI(boolean delete) { 11939 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 11940 final List<String> allCodePaths = getAllCodePaths(); 11941 boolean mounted = PackageHelper.isContainerMounted(cid); 11942 if (mounted) { 11943 // Unmount first 11944 if (PackageHelper.unMountSdDir(cid)) { 11945 mounted = false; 11946 } 11947 } 11948 if (!mounted && delete) { 11949 cleanUpResourcesLI(allCodePaths); 11950 } 11951 return !mounted; 11952 } 11953 11954 @Override 11955 int doPreCopy() { 11956 if (isFwdLocked()) { 11957 if (!PackageHelper.fixSdPermissions(cid, getPackageUid(DEFAULT_CONTAINER_PACKAGE, 11958 MATCH_SYSTEM_ONLY, UserHandle.USER_SYSTEM), RES_FILE_NAME)) { 11959 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11960 } 11961 } 11962 11963 return PackageManager.INSTALL_SUCCEEDED; 11964 } 11965 11966 @Override 11967 int doPostCopy(int uid) { 11968 if (isFwdLocked()) { 11969 if (uid < Process.FIRST_APPLICATION_UID 11970 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 11971 RES_FILE_NAME)) { 11972 Slog.e(TAG, "Failed to finalize " + cid); 11973 PackageHelper.destroySdDir(cid); 11974 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 11975 } 11976 } 11977 11978 return PackageManager.INSTALL_SUCCEEDED; 11979 } 11980 } 11981 11982 /** 11983 * Logic to handle movement of existing installed applications. 11984 */ 11985 class MoveInstallArgs extends InstallArgs { 11986 private File codeFile; 11987 private File resourceFile; 11988 11989 /** New install */ 11990 MoveInstallArgs(InstallParams params) { 11991 super(params.origin, params.move, params.observer, params.installFlags, 11992 params.installerPackageName, params.volumeUuid, 11993 params.getUser(), null /* instruction sets */, params.packageAbiOverride, 11994 params.grantedRuntimePermissions, 11995 params.traceMethod, params.traceCookie); 11996 } 11997 11998 int copyApk(IMediaContainerService imcs, boolean temp) { 11999 if (DEBUG_INSTALL) Slog.d(TAG, "Moving " + move.packageName + " from " 12000 + move.fromUuid + " to " + move.toUuid); 12001 synchronized (mInstaller) { 12002 try { 12003 mInstaller.moveCompleteApp(move.fromUuid, move.toUuid, move.packageName, 12004 move.dataAppName, move.appId, move.seinfo); 12005 } catch (InstallerException e) { 12006 Slog.w(TAG, "Failed to move app", e); 12007 return PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 12008 } 12009 } 12010 12011 codeFile = new File(Environment.getDataAppDirectory(move.toUuid), move.dataAppName); 12012 resourceFile = codeFile; 12013 if (DEBUG_INSTALL) Slog.d(TAG, "codeFile after move is " + codeFile); 12014 12015 return PackageManager.INSTALL_SUCCEEDED; 12016 } 12017 12018 int doPreInstall(int status) { 12019 if (status != PackageManager.INSTALL_SUCCEEDED) { 12020 cleanUp(move.toUuid); 12021 } 12022 return status; 12023 } 12024 12025 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 12026 if (status != PackageManager.INSTALL_SUCCEEDED) { 12027 cleanUp(move.toUuid); 12028 return false; 12029 } 12030 12031 // Reflect the move in app info 12032 pkg.applicationInfo.volumeUuid = pkg.volumeUuid; 12033 pkg.applicationInfo.setCodePath(pkg.codePath); 12034 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 12035 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 12036 pkg.applicationInfo.setResourcePath(pkg.codePath); 12037 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 12038 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 12039 12040 return true; 12041 } 12042 12043 int doPostInstall(int status, int uid) { 12044 if (status == PackageManager.INSTALL_SUCCEEDED) { 12045 cleanUp(move.fromUuid); 12046 } else { 12047 cleanUp(move.toUuid); 12048 } 12049 return status; 12050 } 12051 12052 @Override 12053 String getCodePath() { 12054 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 12055 } 12056 12057 @Override 12058 String getResourcePath() { 12059 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 12060 } 12061 12062 private boolean cleanUp(String volumeUuid) { 12063 final File codeFile = new File(Environment.getDataAppDirectory(volumeUuid), 12064 move.dataAppName); 12065 Slog.d(TAG, "Cleaning up " + move.packageName + " on " + volumeUuid); 12066 synchronized (mInstallLock) { 12067 // Clean up both app data and code 12068 removeDataDirsLI(volumeUuid, move.packageName); 12069 removeCodePathLI(codeFile); 12070 } 12071 return true; 12072 } 12073 12074 void cleanUpResourcesLI() { 12075 throw new UnsupportedOperationException(); 12076 } 12077 12078 boolean doPostDeleteLI(boolean delete) { 12079 throw new UnsupportedOperationException(); 12080 } 12081 } 12082 12083 static String getAsecPackageName(String packageCid) { 12084 int idx = packageCid.lastIndexOf("-"); 12085 if (idx == -1) { 12086 return packageCid; 12087 } 12088 return packageCid.substring(0, idx); 12089 } 12090 12091 // Utility method used to create code paths based on package name and available index. 12092 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 12093 String idxStr = ""; 12094 int idx = 1; 12095 // Fall back to default value of idx=1 if prefix is not 12096 // part of oldCodePath 12097 if (oldCodePath != null) { 12098 String subStr = oldCodePath; 12099 // Drop the suffix right away 12100 if (suffix != null && subStr.endsWith(suffix)) { 12101 subStr = subStr.substring(0, subStr.length() - suffix.length()); 12102 } 12103 // If oldCodePath already contains prefix find out the 12104 // ending index to either increment or decrement. 12105 int sidx = subStr.lastIndexOf(prefix); 12106 if (sidx != -1) { 12107 subStr = subStr.substring(sidx + prefix.length()); 12108 if (subStr != null) { 12109 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 12110 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 12111 } 12112 try { 12113 idx = Integer.parseInt(subStr); 12114 if (idx <= 1) { 12115 idx++; 12116 } else { 12117 idx--; 12118 } 12119 } catch(NumberFormatException e) { 12120 } 12121 } 12122 } 12123 } 12124 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 12125 return prefix + idxStr; 12126 } 12127 12128 private File getNextCodePath(File targetDir, String packageName) { 12129 int suffix = 1; 12130 File result; 12131 do { 12132 result = new File(targetDir, packageName + "-" + suffix); 12133 suffix++; 12134 } while (result.exists()); 12135 return result; 12136 } 12137 12138 // Utility method that returns the relative package path with respect 12139 // to the installation directory. Like say for /data/data/com.test-1.apk 12140 // string com.test-1 is returned. 12141 static String deriveCodePathName(String codePath) { 12142 if (codePath == null) { 12143 return null; 12144 } 12145 final File codeFile = new File(codePath); 12146 final String name = codeFile.getName(); 12147 if (codeFile.isDirectory()) { 12148 return name; 12149 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 12150 final int lastDot = name.lastIndexOf('.'); 12151 return name.substring(0, lastDot); 12152 } else { 12153 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 12154 return null; 12155 } 12156 } 12157 12158 static class PackageInstalledInfo { 12159 String name; 12160 int uid; 12161 // The set of users that originally had this package installed. 12162 int[] origUsers; 12163 // The set of users that now have this package installed. 12164 int[] newUsers; 12165 PackageParser.Package pkg; 12166 int returnCode; 12167 String returnMsg; 12168 PackageRemovedInfo removedInfo; 12169 12170 public void setError(int code, String msg) { 12171 returnCode = code; 12172 returnMsg = msg; 12173 Slog.w(TAG, msg); 12174 } 12175 12176 public void setError(String msg, PackageParserException e) { 12177 returnCode = e.error; 12178 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 12179 Slog.w(TAG, msg, e); 12180 } 12181 12182 public void setError(String msg, PackageManagerException e) { 12183 returnCode = e.error; 12184 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 12185 Slog.w(TAG, msg, e); 12186 } 12187 12188 // In some error cases we want to convey more info back to the observer 12189 String origPackage; 12190 String origPermission; 12191 } 12192 12193 /* 12194 * Install a non-existing package. 12195 */ 12196 private void installNewPackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 12197 UserHandle user, String installerPackageName, String volumeUuid, 12198 PackageInstalledInfo res) { 12199 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installNewPackage"); 12200 12201 // Remember this for later, in case we need to rollback this install 12202 String pkgName = pkg.packageName; 12203 12204 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 12205 // TODO: b/23350563 12206 final boolean dataDirExists = Environment 12207 .getDataUserPackageDirectory(volumeUuid, UserHandle.USER_SYSTEM, pkgName).exists(); 12208 12209 synchronized(mPackages) { 12210 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 12211 // A package with the same name is already installed, though 12212 // it has been renamed to an older name. The package we 12213 // are trying to install should be installed as an update to 12214 // the existing one, but that has not been requested, so bail. 12215 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 12216 + " without first uninstalling package running as " 12217 + mSettings.mRenamedPackages.get(pkgName)); 12218 return; 12219 } 12220 if (mPackages.containsKey(pkgName)) { 12221 // Don't allow installation over an existing package with the same name. 12222 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 12223 + " without first uninstalling."); 12224 return; 12225 } 12226 } 12227 12228 try { 12229 PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 12230 System.currentTimeMillis(), user); 12231 12232 updateSettingsLI(newPackage, installerPackageName, volumeUuid, null, null, res, user); 12233 prepareAppDataAfterInstall(newPackage); 12234 12235 // delete the partially installed application. the data directory will have to be 12236 // restored if it was already existing 12237 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12238 // remove package from internal structures. Note that we want deletePackageX to 12239 // delete the package data and cache directories that it created in 12240 // scanPackageLocked, unless those directories existed before we even tried to 12241 // install. 12242 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 12243 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 12244 res.removedInfo, true); 12245 } 12246 12247 } catch (PackageManagerException e) { 12248 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12249 } 12250 12251 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12252 } 12253 12254 private boolean shouldCheckUpgradeKeySetLP(PackageSetting oldPs, int scanFlags) { 12255 // Can't rotate keys during boot or if sharedUser. 12256 if (oldPs == null || (scanFlags&SCAN_INITIAL) != 0 || oldPs.sharedUser != null 12257 || !oldPs.keySetData.isUsingUpgradeKeySets()) { 12258 return false; 12259 } 12260 // app is using upgradeKeySets; make sure all are valid 12261 KeySetManagerService ksms = mSettings.mKeySetManagerService; 12262 long[] upgradeKeySets = oldPs.keySetData.getUpgradeKeySets(); 12263 for (int i = 0; i < upgradeKeySets.length; i++) { 12264 if (!ksms.isIdValidKeySetId(upgradeKeySets[i])) { 12265 Slog.wtf(TAG, "Package " 12266 + (oldPs.name != null ? oldPs.name : "<null>") 12267 + " contains upgrade-key-set reference to unknown key-set: " 12268 + upgradeKeySets[i] 12269 + " reverting to signatures check."); 12270 return false; 12271 } 12272 } 12273 return true; 12274 } 12275 12276 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 12277 // Upgrade keysets are being used. Determine if new package has a superset of the 12278 // required keys. 12279 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 12280 KeySetManagerService ksms = mSettings.mKeySetManagerService; 12281 for (int i = 0; i < upgradeKeySets.length; i++) { 12282 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 12283 if (upgradeSet != null && newPkg.mSigningKeys.containsAll(upgradeSet)) { 12284 return true; 12285 } 12286 } 12287 return false; 12288 } 12289 12290 private void replacePackageLI(PackageParser.Package pkg, int parseFlags, int scanFlags, 12291 UserHandle user, String installerPackageName, String volumeUuid, 12292 PackageInstalledInfo res) { 12293 final boolean isEphemeral = (parseFlags & PackageParser.PARSE_IS_EPHEMERAL) != 0; 12294 12295 final PackageParser.Package oldPackage; 12296 final String pkgName = pkg.packageName; 12297 final int[] allUsers; 12298 final boolean[] perUserInstalled; 12299 12300 // First find the old package info and check signatures 12301 synchronized(mPackages) { 12302 oldPackage = mPackages.get(pkgName); 12303 final boolean oldIsEphemeral = oldPackage.applicationInfo.isEphemeralApp(); 12304 if (isEphemeral && !oldIsEphemeral) { 12305 // can't downgrade from full to ephemeral 12306 Slog.w(TAG, "Can't replace app with ephemeral: " + pkgName); 12307 res.returnCode = PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 12308 return; 12309 } 12310 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 12311 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12312 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 12313 if(!checkUpgradeKeySetLP(ps, pkg)) { 12314 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 12315 "New package not signed by keys specified by upgrade-keysets: " 12316 + pkgName); 12317 return; 12318 } 12319 } else { 12320 // default to original signature matching 12321 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 12322 != PackageManager.SIGNATURE_MATCH) { 12323 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 12324 "New package has a different signature: " + pkgName); 12325 return; 12326 } 12327 } 12328 12329 // In case of rollback, remember per-user/profile install state 12330 allUsers = sUserManager.getUserIds(); 12331 perUserInstalled = new boolean[allUsers.length]; 12332 for (int i = 0; i < allUsers.length; i++) { 12333 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 12334 } 12335 } 12336 12337 boolean sysPkg = (isSystemApp(oldPackage)); 12338 if (sysPkg) { 12339 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 12340 user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res); 12341 } else { 12342 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 12343 user, allUsers, perUserInstalled, installerPackageName, volumeUuid, res); 12344 } 12345 } 12346 12347 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 12348 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 12349 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 12350 String volumeUuid, PackageInstalledInfo res) { 12351 String pkgName = deletedPackage.packageName; 12352 boolean deletedPkg = true; 12353 boolean updatedSettings = false; 12354 12355 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 12356 + deletedPackage); 12357 long origUpdateTime; 12358 if (pkg.mExtras != null) { 12359 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 12360 } else { 12361 origUpdateTime = 0; 12362 } 12363 12364 // First delete the existing package while retaining the data directory 12365 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 12366 res.removedInfo, true)) { 12367 // If the existing package wasn't successfully deleted 12368 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 12369 deletedPkg = false; 12370 } else { 12371 // Successfully deleted the old package; proceed with replace. 12372 12373 // If deleted package lived in a container, give users a chance to 12374 // relinquish resources before killing. 12375 if (deletedPackage.isForwardLocked() || isExternal(deletedPackage)) { 12376 if (DEBUG_INSTALL) { 12377 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 12378 } 12379 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 12380 final ArrayList<String> pkgList = new ArrayList<String>(1); 12381 pkgList.add(deletedPackage.applicationInfo.packageName); 12382 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 12383 } 12384 12385 deleteCodeCacheDirsLI(pkg.volumeUuid, pkgName); 12386 try { 12387 final PackageParser.Package newPackage = scanPackageTracedLI(pkg, parseFlags, 12388 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 12389 updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers, 12390 perUserInstalled, res, user); 12391 prepareAppDataAfterInstall(newPackage); 12392 updatedSettings = true; 12393 } catch (PackageManagerException e) { 12394 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12395 } 12396 } 12397 12398 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12399 // remove package from internal structures. Note that we want deletePackageX to 12400 // delete the package data and cache directories that it created in 12401 // scanPackageLocked, unless those directories existed before we even tried to 12402 // install. 12403 if(updatedSettings) { 12404 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 12405 deletePackageLI( 12406 pkgName, null, true, allUsers, perUserInstalled, 12407 PackageManager.DELETE_KEEP_DATA, 12408 res.removedInfo, true); 12409 } 12410 // Since we failed to install the new package we need to restore the old 12411 // package that we deleted. 12412 if (deletedPkg) { 12413 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 12414 File restoreFile = new File(deletedPackage.codePath); 12415 // Parse old package 12416 boolean oldExternal = isExternal(deletedPackage); 12417 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 12418 (deletedPackage.isForwardLocked() ? PackageParser.PARSE_FORWARD_LOCK : 0) | 12419 (oldExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0); 12420 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 12421 try { 12422 scanPackageTracedLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, 12423 null); 12424 } catch (PackageManagerException e) { 12425 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 12426 + e.getMessage()); 12427 return; 12428 } 12429 // Restore of old package succeeded. Update permissions. 12430 // writer 12431 synchronized (mPackages) { 12432 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 12433 UPDATE_PERMISSIONS_ALL); 12434 // can downgrade to reader 12435 mSettings.writeLPr(); 12436 } 12437 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 12438 } 12439 } 12440 } 12441 12442 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 12443 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 12444 int[] allUsers, boolean[] perUserInstalled, String installerPackageName, 12445 String volumeUuid, PackageInstalledInfo res) { 12446 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 12447 + ", old=" + deletedPackage); 12448 boolean disabledSystem = false; 12449 boolean updatedSettings = false; 12450 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 12451 if ((deletedPackage.applicationInfo.privateFlags&ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) 12452 != 0) { 12453 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 12454 } 12455 String packageName = deletedPackage.packageName; 12456 if (packageName == null) { 12457 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 12458 "Attempt to delete null packageName."); 12459 return; 12460 } 12461 PackageParser.Package oldPkg; 12462 PackageSetting oldPkgSetting; 12463 // reader 12464 synchronized (mPackages) { 12465 oldPkg = mPackages.get(packageName); 12466 oldPkgSetting = mSettings.mPackages.get(packageName); 12467 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 12468 (oldPkgSetting == null)) { 12469 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 12470 "Couldn't find package " + packageName + " information"); 12471 return; 12472 } 12473 } 12474 12475 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 12476 12477 res.removedInfo.uid = oldPkg.applicationInfo.uid; 12478 res.removedInfo.removedPackage = packageName; 12479 // Remove existing system package 12480 removePackageLI(oldPkgSetting, true); 12481 // writer 12482 synchronized (mPackages) { 12483 disabledSystem = mSettings.disableSystemPackageLPw(packageName); 12484 if (!disabledSystem && deletedPackage != null) { 12485 // We didn't need to disable the .apk as a current system package, 12486 // which means we are replacing another update that is already 12487 // installed. We need to make sure to delete the older one's .apk. 12488 res.removedInfo.args = createInstallArgsForExisting(0, 12489 deletedPackage.applicationInfo.getCodePath(), 12490 deletedPackage.applicationInfo.getResourcePath(), 12491 getAppDexInstructionSets(deletedPackage.applicationInfo)); 12492 } else { 12493 res.removedInfo.args = null; 12494 } 12495 } 12496 12497 // Successfully disabled the old package. Now proceed with re-installation 12498 deleteCodeCacheDirsLI(pkg.volumeUuid, packageName); 12499 12500 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12501 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 12502 12503 PackageParser.Package newPackage = null; 12504 try { 12505 newPackage = scanPackageTracedLI(pkg, parseFlags, scanFlags, 0, user); 12506 if (newPackage.mExtras != null) { 12507 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 12508 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 12509 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 12510 12511 // is the update attempting to change shared user? that isn't going to work... 12512 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 12513 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 12514 "Forbidding shared user change from " + oldPkgSetting.sharedUser 12515 + " to " + newPkgSetting.sharedUser); 12516 updatedSettings = true; 12517 } 12518 } 12519 12520 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 12521 updateSettingsLI(newPackage, installerPackageName, volumeUuid, allUsers, 12522 perUserInstalled, res, user); 12523 prepareAppDataAfterInstall(newPackage); 12524 updatedSettings = true; 12525 } 12526 12527 } catch (PackageManagerException e) { 12528 res.setError("Package couldn't be installed in " + pkg.codePath, e); 12529 } 12530 12531 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 12532 // Re installation failed. Restore old information 12533 // Remove new pkg information 12534 if (newPackage != null) { 12535 removeInstalledPackageLI(newPackage, true); 12536 } 12537 // Add back the old system package 12538 try { 12539 scanPackageTracedLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 12540 } catch (PackageManagerException e) { 12541 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 12542 } 12543 // Restore the old system information in Settings 12544 synchronized (mPackages) { 12545 if (disabledSystem) { 12546 mSettings.enableSystemPackageLPw(packageName); 12547 } 12548 if (updatedSettings) { 12549 mSettings.setInstallerPackageName(packageName, 12550 oldPkgSetting.installerPackageName); 12551 } 12552 mSettings.writeLPr(); 12553 } 12554 } 12555 } 12556 12557 private int[] revokeUnusedSharedUserPermissionsLPw(SharedUserSetting su, int[] allUserIds) { 12558 // Collect all used permissions in the UID 12559 ArraySet<String> usedPermissions = new ArraySet<>(); 12560 final int packageCount = su.packages.size(); 12561 for (int i = 0; i < packageCount; i++) { 12562 PackageSetting ps = su.packages.valueAt(i); 12563 if (ps.pkg == null) { 12564 continue; 12565 } 12566 final int requestedPermCount = ps.pkg.requestedPermissions.size(); 12567 for (int j = 0; j < requestedPermCount; j++) { 12568 String permission = ps.pkg.requestedPermissions.get(j); 12569 BasePermission bp = mSettings.mPermissions.get(permission); 12570 if (bp != null) { 12571 usedPermissions.add(permission); 12572 } 12573 } 12574 } 12575 12576 PermissionsState permissionsState = su.getPermissionsState(); 12577 // Prune install permissions 12578 List<PermissionState> installPermStates = permissionsState.getInstallPermissionStates(); 12579 final int installPermCount = installPermStates.size(); 12580 for (int i = installPermCount - 1; i >= 0; i--) { 12581 PermissionState permissionState = installPermStates.get(i); 12582 if (!usedPermissions.contains(permissionState.getName())) { 12583 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 12584 if (bp != null) { 12585 permissionsState.revokeInstallPermission(bp); 12586 permissionsState.updatePermissionFlags(bp, UserHandle.USER_ALL, 12587 PackageManager.MASK_PERMISSION_FLAGS, 0); 12588 } 12589 } 12590 } 12591 12592 int[] runtimePermissionChangedUserIds = EmptyArray.INT; 12593 12594 // Prune runtime permissions 12595 for (int userId : allUserIds) { 12596 List<PermissionState> runtimePermStates = permissionsState 12597 .getRuntimePermissionStates(userId); 12598 final int runtimePermCount = runtimePermStates.size(); 12599 for (int i = runtimePermCount - 1; i >= 0; i--) { 12600 PermissionState permissionState = runtimePermStates.get(i); 12601 if (!usedPermissions.contains(permissionState.getName())) { 12602 BasePermission bp = mSettings.mPermissions.get(permissionState.getName()); 12603 if (bp != null) { 12604 permissionsState.revokeRuntimePermission(bp, userId); 12605 permissionsState.updatePermissionFlags(bp, userId, 12606 PackageManager.MASK_PERMISSION_FLAGS, 0); 12607 runtimePermissionChangedUserIds = ArrayUtils.appendInt( 12608 runtimePermissionChangedUserIds, userId); 12609 } 12610 } 12611 } 12612 } 12613 12614 return runtimePermissionChangedUserIds; 12615 } 12616 12617 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 12618 String volumeUuid, int[] allUsers, boolean[] perUserInstalled, PackageInstalledInfo res, 12619 UserHandle user) { 12620 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "updateSettings"); 12621 12622 String pkgName = newPackage.packageName; 12623 synchronized (mPackages) { 12624 //write settings. the installStatus will be incomplete at this stage. 12625 //note that the new package setting would have already been 12626 //added to mPackages. It hasn't been persisted yet. 12627 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 12628 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 12629 mSettings.writeLPr(); 12630 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12631 } 12632 12633 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 12634 synchronized (mPackages) { 12635 updatePermissionsLPw(newPackage.packageName, newPackage, 12636 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 12637 ? UPDATE_PERMISSIONS_ALL : 0)); 12638 // For system-bundled packages, we assume that installing an upgraded version 12639 // of the package implies that the user actually wants to run that new code, 12640 // so we enable the package. 12641 PackageSetting ps = mSettings.mPackages.get(pkgName); 12642 if (ps != null) { 12643 if (isSystemApp(newPackage)) { 12644 // NB: implicit assumption that system package upgrades apply to all users 12645 if (DEBUG_INSTALL) { 12646 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 12647 } 12648 if (res.origUsers != null) { 12649 for (int userHandle : res.origUsers) { 12650 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 12651 userHandle, installerPackageName); 12652 } 12653 } 12654 // Also convey the prior install/uninstall state 12655 if (allUsers != null && perUserInstalled != null) { 12656 for (int i = 0; i < allUsers.length; i++) { 12657 if (DEBUG_INSTALL) { 12658 Slog.d(TAG, " user " + allUsers[i] 12659 + " => " + perUserInstalled[i]); 12660 } 12661 ps.setInstalled(perUserInstalled[i], allUsers[i]); 12662 } 12663 // these install state changes will be persisted in the 12664 // upcoming call to mSettings.writeLPr(). 12665 } 12666 } 12667 // It's implied that when a user requests installation, they want the app to be 12668 // installed and enabled. 12669 int userId = user.getIdentifier(); 12670 if (userId != UserHandle.USER_ALL) { 12671 ps.setInstalled(true, userId); 12672 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, userId, installerPackageName); 12673 } 12674 } 12675 res.name = pkgName; 12676 res.uid = newPackage.applicationInfo.uid; 12677 res.pkg = newPackage; 12678 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 12679 mSettings.setInstallerPackageName(pkgName, installerPackageName); 12680 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12681 //to update install status 12682 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "writeSettings"); 12683 mSettings.writeLPr(); 12684 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12685 } 12686 12687 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12688 } 12689 12690 private void installPackageTracedLI(InstallArgs args, PackageInstalledInfo res) { 12691 try { 12692 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "installPackage"); 12693 installPackageLI(args, res); 12694 } finally { 12695 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12696 } 12697 } 12698 12699 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 12700 final int installFlags = args.installFlags; 12701 final String installerPackageName = args.installerPackageName; 12702 final String volumeUuid = args.volumeUuid; 12703 final File tmpPackageFile = new File(args.getCodePath()); 12704 final boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 12705 final boolean onExternal = (((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) 12706 || (args.volumeUuid != null)); 12707 final boolean ephemeral = ((installFlags & PackageManager.INSTALL_EPHEMERAL) != 0); 12708 boolean replace = false; 12709 int scanFlags = SCAN_NEW_INSTALL | SCAN_UPDATE_SIGNATURE; 12710 if (args.move != null) { 12711 // moving a complete application; perfom an initial scan on the new install location 12712 scanFlags |= SCAN_INITIAL; 12713 } 12714 // Result object to be returned 12715 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 12716 12717 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 12718 12719 // Sanity check 12720 if (ephemeral && (forwardLocked || onExternal)) { 12721 Slog.i(TAG, "Incompatible ephemeral install; fwdLocked=" + forwardLocked 12722 + " external=" + onExternal); 12723 res.returnCode = PackageManager.INSTALL_FAILED_EPHEMERAL_INVALID; 12724 return; 12725 } 12726 12727 // Retrieve PackageSettings and parse package 12728 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 12729 | PackageParser.PARSE_ENFORCE_CODE 12730 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 12731 | (onExternal ? PackageParser.PARSE_EXTERNAL_STORAGE : 0) 12732 | (ephemeral ? PackageParser.PARSE_IS_EPHEMERAL : 0); 12733 PackageParser pp = new PackageParser(); 12734 pp.setSeparateProcesses(mSeparateProcesses); 12735 pp.setDisplayMetrics(mMetrics); 12736 12737 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "parsePackage"); 12738 final PackageParser.Package pkg; 12739 try { 12740 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 12741 } catch (PackageParserException e) { 12742 res.setError("Failed parse during installPackageLI", e); 12743 return; 12744 } finally { 12745 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12746 } 12747 12748 // Mark that we have an install time CPU ABI override. 12749 pkg.cpuAbiOverride = args.abiOverride; 12750 12751 String pkgName = res.name = pkg.packageName; 12752 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 12753 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 12754 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 12755 return; 12756 } 12757 } 12758 12759 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "collectCertificates"); 12760 try { 12761 pp.collectCertificates(pkg, parseFlags); 12762 } catch (PackageParserException e) { 12763 res.setError("Failed collect during installPackageLI", e); 12764 return; 12765 } finally { 12766 Trace.traceEnd(TRACE_TAG_PACKAGE_MANAGER); 12767 } 12768 12769 // Get rid of all references to package scan path via parser. 12770 pp = null; 12771 String oldCodePath = null; 12772 boolean systemApp = false; 12773 synchronized (mPackages) { 12774 // Check if installing already existing package 12775 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 12776 String oldName = mSettings.mRenamedPackages.get(pkgName); 12777 if (pkg.mOriginalPackages != null 12778 && pkg.mOriginalPackages.contains(oldName) 12779 && mPackages.containsKey(oldName)) { 12780 // This package is derived from an original package, 12781 // and this device has been updating from that original 12782 // name. We must continue using the original name, so 12783 // rename the new package here. 12784 pkg.setPackageName(oldName); 12785 pkgName = pkg.packageName; 12786 replace = true; 12787 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 12788 + oldName + " pkgName=" + pkgName); 12789 } else if (mPackages.containsKey(pkgName)) { 12790 // This package, under its official name, already exists 12791 // on the device; we should replace it. 12792 replace = true; 12793 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 12794 } 12795 12796 // Prevent apps opting out from runtime permissions 12797 if (replace) { 12798 PackageParser.Package oldPackage = mPackages.get(pkgName); 12799 final int oldTargetSdk = oldPackage.applicationInfo.targetSdkVersion; 12800 final int newTargetSdk = pkg.applicationInfo.targetSdkVersion; 12801 if (oldTargetSdk > Build.VERSION_CODES.LOLLIPOP_MR1 12802 && newTargetSdk <= Build.VERSION_CODES.LOLLIPOP_MR1) { 12803 res.setError(PackageManager.INSTALL_FAILED_PERMISSION_MODEL_DOWNGRADE, 12804 "Package " + pkg.packageName + " new target SDK " + newTargetSdk 12805 + " doesn't support runtime permissions but the old" 12806 + " target SDK " + oldTargetSdk + " does."); 12807 return; 12808 } 12809 } 12810 } 12811 12812 PackageSetting ps = mSettings.mPackages.get(pkgName); 12813 if (ps != null) { 12814 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 12815 12816 // Quick sanity check that we're signed correctly if updating; 12817 // we'll check this again later when scanning, but we want to 12818 // bail early here before tripping over redefined permissions. 12819 if (shouldCheckUpgradeKeySetLP(ps, scanFlags)) { 12820 if (!checkUpgradeKeySetLP(ps, pkg)) { 12821 res.setError(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 12822 + pkg.packageName + " upgrade keys do not match the " 12823 + "previously installed version"); 12824 return; 12825 } 12826 } else { 12827 try { 12828 verifySignaturesLP(ps, pkg); 12829 } catch (PackageManagerException e) { 12830 res.setError(e.error, e.getMessage()); 12831 return; 12832 } 12833 } 12834 12835 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 12836 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 12837 systemApp = (ps.pkg.applicationInfo.flags & 12838 ApplicationInfo.FLAG_SYSTEM) != 0; 12839 } 12840 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 12841 } 12842 12843 // Check whether the newly-scanned package wants to define an already-defined perm 12844 int N = pkg.permissions.size(); 12845 for (int i = N-1; i >= 0; i--) { 12846 PackageParser.Permission perm = pkg.permissions.get(i); 12847 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 12848 if (bp != null) { 12849 // If the defining package is signed with our cert, it's okay. This 12850 // also includes the "updating the same package" case, of course. 12851 // "updating same package" could also involve key-rotation. 12852 final boolean sigsOk; 12853 if (bp.sourcePackage.equals(pkg.packageName) 12854 && (bp.packageSetting instanceof PackageSetting) 12855 && (shouldCheckUpgradeKeySetLP((PackageSetting) bp.packageSetting, 12856 scanFlags))) { 12857 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 12858 } else { 12859 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 12860 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 12861 } 12862 if (!sigsOk) { 12863 // If the owning package is the system itself, we log but allow 12864 // install to proceed; we fail the install on all other permission 12865 // redefinitions. 12866 if (!bp.sourcePackage.equals("android")) { 12867 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 12868 + pkg.packageName + " attempting to redeclare permission " 12869 + perm.info.name + " already owned by " + bp.sourcePackage); 12870 res.origPermission = perm.info.name; 12871 res.origPackage = bp.sourcePackage; 12872 return; 12873 } else { 12874 Slog.w(TAG, "Package " + pkg.packageName 12875 + " attempting to redeclare system permission " 12876 + perm.info.name + "; ignoring new declaration"); 12877 pkg.permissions.remove(i); 12878 } 12879 } 12880 } 12881 } 12882 12883 } 12884 12885 if (systemApp) { 12886 if (onExternal) { 12887 // Abort update; system app can't be replaced with app on sdcard 12888 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 12889 "Cannot install updates to system apps on sdcard"); 12890 return; 12891 } else if (ephemeral) { 12892 // Abort update; system app can't be replaced with an ephemeral app 12893 res.setError(INSTALL_FAILED_EPHEMERAL_INVALID, 12894 "Cannot update a system app with an ephemeral app"); 12895 return; 12896 } 12897 } 12898 12899 if (args.move != null) { 12900 // We did an in-place move, so dex is ready to roll 12901 scanFlags |= SCAN_NO_DEX; 12902 scanFlags |= SCAN_MOVE; 12903 12904 synchronized (mPackages) { 12905 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12906 if (ps == null) { 12907 res.setError(INSTALL_FAILED_INTERNAL_ERROR, 12908 "Missing settings for moved package " + pkgName); 12909 } 12910 12911 // We moved the entire application as-is, so bring over the 12912 // previously derived ABI information. 12913 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 12914 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 12915 } 12916 12917 } else if (!forwardLocked && !pkg.applicationInfo.isExternalAsec()) { 12918 // Enable SCAN_NO_DEX flag to skip dexopt at a later stage 12919 scanFlags |= SCAN_NO_DEX; 12920 12921 try { 12922 derivePackageAbi(pkg, new File(pkg.codePath), args.abiOverride, 12923 true /* extract libs */); 12924 } catch (PackageManagerException pme) { 12925 Slog.e(TAG, "Error deriving application ABI", pme); 12926 res.setError(INSTALL_FAILED_INTERNAL_ERROR, "Error deriving application ABI"); 12927 return; 12928 } 12929 } 12930 12931 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 12932 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 12933 return; 12934 } 12935 12936 startIntentFilterVerifications(args.user.getIdentifier(), replace, pkg); 12937 12938 if (replace) { 12939 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 12940 installerPackageName, volumeUuid, res); 12941 } else { 12942 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 12943 args.user, installerPackageName, volumeUuid, res); 12944 } 12945 synchronized (mPackages) { 12946 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12947 if (ps != null) { 12948 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 12949 } 12950 } 12951 } 12952 12953 private void startIntentFilterVerifications(int userId, boolean replacing, 12954 PackageParser.Package pkg) { 12955 if (mIntentFilterVerifierComponent == null) { 12956 Slog.w(TAG, "No IntentFilter verification will not be done as " 12957 + "there is no IntentFilterVerifier available!"); 12958 return; 12959 } 12960 12961 final int verifierUid = getPackageUid( 12962 mIntentFilterVerifierComponent.getPackageName(), 12963 MATCH_DEBUG_TRIAGED_MISSING, 12964 (userId == UserHandle.USER_ALL) ? UserHandle.USER_SYSTEM : userId); 12965 12966 mHandler.removeMessages(START_INTENT_FILTER_VERIFICATIONS); 12967 final Message msg = mHandler.obtainMessage(START_INTENT_FILTER_VERIFICATIONS); 12968 msg.obj = new IFVerificationParams(pkg, replacing, userId, verifierUid); 12969 mHandler.sendMessage(msg); 12970 } 12971 12972 private void verifyIntentFiltersIfNeeded(int userId, int verifierUid, boolean replacing, 12973 PackageParser.Package pkg) { 12974 int size = pkg.activities.size(); 12975 if (size == 0) { 12976 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12977 "No activity, so no need to verify any IntentFilter!"); 12978 return; 12979 } 12980 12981 final boolean hasDomainURLs = hasDomainURLs(pkg); 12982 if (!hasDomainURLs) { 12983 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 12984 "No domain URLs, so no need to verify any IntentFilter!"); 12985 return; 12986 } 12987 12988 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Checking for userId:" + userId 12989 + " if any IntentFilter from the " + size 12990 + " Activities needs verification ..."); 12991 12992 int count = 0; 12993 final String packageName = pkg.packageName; 12994 12995 synchronized (mPackages) { 12996 // If this is a new install and we see that we've already run verification for this 12997 // package, we have nothing to do: it means the state was restored from backup. 12998 if (!replacing) { 12999 IntentFilterVerificationInfo ivi = 13000 mSettings.getIntentFilterVerificationLPr(packageName); 13001 if (ivi != null) { 13002 if (DEBUG_DOMAIN_VERIFICATION) { 13003 Slog.i(TAG, "Package " + packageName+ " already verified: status=" 13004 + ivi.getStatusString()); 13005 } 13006 return; 13007 } 13008 } 13009 13010 // If any filters need to be verified, then all need to be. 13011 boolean needToVerify = false; 13012 for (PackageParser.Activity a : pkg.activities) { 13013 for (ActivityIntentInfo filter : a.intents) { 13014 if (filter.needsVerification() && needsNetworkVerificationLPr(filter)) { 13015 if (DEBUG_DOMAIN_VERIFICATION) { 13016 Slog.d(TAG, "Intent filter needs verification, so processing all filters"); 13017 } 13018 needToVerify = true; 13019 break; 13020 } 13021 } 13022 } 13023 13024 if (needToVerify) { 13025 final int verificationId = mIntentFilterVerificationToken++; 13026 for (PackageParser.Activity a : pkg.activities) { 13027 for (ActivityIntentInfo filter : a.intents) { 13028 if (filter.handlesWebUris(true) && needsNetworkVerificationLPr(filter)) { 13029 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, 13030 "Verification needed for IntentFilter:" + filter.toString()); 13031 mIntentFilterVerifier.addOneIntentFilterVerification( 13032 verifierUid, userId, verificationId, filter, packageName); 13033 count++; 13034 } 13035 } 13036 } 13037 } 13038 } 13039 13040 if (count > 0) { 13041 if (DEBUG_DOMAIN_VERIFICATION) Slog.d(TAG, "Starting " + count 13042 + " IntentFilter verification" + (count > 1 ? "s" : "") 13043 + " for userId:" + userId); 13044 mIntentFilterVerifier.startVerifications(userId); 13045 } else { 13046 if (DEBUG_DOMAIN_VERIFICATION) { 13047 Slog.d(TAG, "No filters or not all autoVerify for " + packageName); 13048 } 13049 } 13050 } 13051 13052 private boolean needsNetworkVerificationLPr(ActivityIntentInfo filter) { 13053 final ComponentName cn = filter.activity.getComponentName(); 13054 final String packageName = cn.getPackageName(); 13055 13056 IntentFilterVerificationInfo ivi = mSettings.getIntentFilterVerificationLPr( 13057 packageName); 13058 if (ivi == null) { 13059 return true; 13060 } 13061 int status = ivi.getStatus(); 13062 switch (status) { 13063 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED: 13064 case INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_ASK: 13065 return true; 13066 13067 default: 13068 // Nothing to do 13069 return false; 13070 } 13071 } 13072 13073 private static boolean isMultiArch(ApplicationInfo info) { 13074 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 13075 } 13076 13077 private static boolean isExternal(PackageParser.Package pkg) { 13078 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 13079 } 13080 13081 private static boolean isExternal(PackageSetting ps) { 13082 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 13083 } 13084 13085 private static boolean isEphemeral(PackageParser.Package pkg) { 13086 return pkg.applicationInfo.isEphemeralApp(); 13087 } 13088 13089 private static boolean isEphemeral(PackageSetting ps) { 13090 return ps.pkg != null && isEphemeral(ps.pkg); 13091 } 13092 13093 private static boolean isSystemApp(PackageParser.Package pkg) { 13094 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 13095 } 13096 13097 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 13098 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_PRIVILEGED) != 0; 13099 } 13100 13101 private static boolean hasDomainURLs(PackageParser.Package pkg) { 13102 return (pkg.applicationInfo.privateFlags & ApplicationInfo.PRIVATE_FLAG_HAS_DOMAIN_URLS) != 0; 13103 } 13104 13105 private static boolean isSystemApp(PackageSetting ps) { 13106 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 13107 } 13108 13109 private static boolean isUpdatedSystemApp(PackageSetting ps) { 13110 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 13111 } 13112 13113 private int packageFlagsToInstallFlags(PackageSetting ps) { 13114 int installFlags = 0; 13115 if (isEphemeral(ps)) { 13116 installFlags |= PackageManager.INSTALL_EPHEMERAL; 13117 } 13118 if (isExternal(ps) && TextUtils.isEmpty(ps.volumeUuid)) { 13119 // This existing package was an external ASEC install when we have 13120 // the external flag without a UUID 13121 installFlags |= PackageManager.INSTALL_EXTERNAL; 13122 } 13123 if (ps.isForwardLocked()) { 13124 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13125 } 13126 return installFlags; 13127 } 13128 13129 private String getVolumeUuidForPackage(PackageParser.Package pkg) { 13130 if (isExternal(pkg)) { 13131 if (TextUtils.isEmpty(pkg.volumeUuid)) { 13132 return StorageManager.UUID_PRIMARY_PHYSICAL; 13133 } else { 13134 return pkg.volumeUuid; 13135 } 13136 } else { 13137 return StorageManager.UUID_PRIVATE_INTERNAL; 13138 } 13139 } 13140 13141 private VersionInfo getSettingsVersionForPackage(PackageParser.Package pkg) { 13142 if (isExternal(pkg)) { 13143 if (TextUtils.isEmpty(pkg.volumeUuid)) { 13144 return mSettings.getExternalVersion(); 13145 } else { 13146 return mSettings.findOrCreateVersion(pkg.volumeUuid); 13147 } 13148 } else { 13149 return mSettings.getInternalVersion(); 13150 } 13151 } 13152 13153 private void deleteTempPackageFiles() { 13154 final FilenameFilter filter = new FilenameFilter() { 13155 public boolean accept(File dir, String name) { 13156 return name.startsWith("vmdl") && name.endsWith(".tmp"); 13157 } 13158 }; 13159 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 13160 file.delete(); 13161 } 13162 } 13163 13164 @Override 13165 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 13166 int flags) { 13167 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 13168 flags); 13169 } 13170 13171 @Override 13172 public void deletePackage(final String packageName, 13173 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 13174 mContext.enforceCallingOrSelfPermission( 13175 android.Manifest.permission.DELETE_PACKAGES, null); 13176 Preconditions.checkNotNull(packageName); 13177 Preconditions.checkNotNull(observer); 13178 final int uid = Binder.getCallingUid(); 13179 final boolean deleteAllUsers = (flags & PackageManager.DELETE_ALL_USERS) != 0; 13180 final int[] users = deleteAllUsers ? sUserManager.getUserIds() : new int[]{ userId }; 13181 if (UserHandle.getUserId(uid) != userId || (deleteAllUsers && users.length > 1)) { 13182 mContext.enforceCallingOrSelfPermission( 13183 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 13184 "deletePackage for user " + userId); 13185 } 13186 13187 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 13188 try { 13189 observer.onPackageDeleted(packageName, 13190 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 13191 } catch (RemoteException re) { 13192 } 13193 return; 13194 } 13195 13196 for (int currentUserId : users) { 13197 if (getBlockUninstallForUser(packageName, currentUserId)) { 13198 try { 13199 observer.onPackageDeleted(packageName, 13200 PackageManager.DELETE_FAILED_OWNER_BLOCKED, null); 13201 } catch (RemoteException re) { 13202 } 13203 return; 13204 } 13205 } 13206 13207 if (DEBUG_REMOVE) { 13208 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 13209 } 13210 // Queue up an async operation since the package deletion may take a little while. 13211 mHandler.post(new Runnable() { 13212 public void run() { 13213 mHandler.removeCallbacks(this); 13214 final int returnCode = deletePackageX(packageName, userId, flags); 13215 try { 13216 observer.onPackageDeleted(packageName, returnCode, null); 13217 } catch (RemoteException e) { 13218 Log.i(TAG, "Observer no longer exists."); 13219 } //end catch 13220 } //end run 13221 }); 13222 } 13223 13224 private boolean isPackageDeviceAdmin(String packageName, int userId) { 13225 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 13226 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 13227 try { 13228 if (dpm != null) { 13229 final ComponentName deviceOwnerComponentName = dpm.getDeviceOwnerComponent( 13230 /* callingUserOnly =*/ false); 13231 final String deviceOwnerPackageName = deviceOwnerComponentName == null ? null 13232 : deviceOwnerComponentName.getPackageName(); 13233 // Does the package contains the device owner? 13234 // TODO Do we have to do it even if userId != UserHandle.USER_ALL? Otherwise, 13235 // this check is probably not needed, since DO should be registered as a device 13236 // admin on some user too. (Original bug for this: b/17657954) 13237 if (packageName.equals(deviceOwnerPackageName)) { 13238 return true; 13239 } 13240 // Does it contain a device admin for any user? 13241 int[] users; 13242 if (userId == UserHandle.USER_ALL) { 13243 users = sUserManager.getUserIds(); 13244 } else { 13245 users = new int[]{userId}; 13246 } 13247 for (int i = 0; i < users.length; ++i) { 13248 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 13249 return true; 13250 } 13251 } 13252 } 13253 } catch (RemoteException e) { 13254 } 13255 return false; 13256 } 13257 13258 private boolean shouldKeepUninstalledPackageLPr(String packageName) { 13259 return mKeepUninstalledPackages != null && mKeepUninstalledPackages.contains(packageName); 13260 } 13261 13262 /** 13263 * This method is an internal method that could be get invoked either 13264 * to delete an installed package or to clean up a failed installation. 13265 * After deleting an installed package, a broadcast is sent to notify any 13266 * listeners that the package has been installed. For cleaning up a failed 13267 * installation, the broadcast is not necessary since the package's 13268 * installation wouldn't have sent the initial broadcast either 13269 * The key steps in deleting a package are 13270 * deleting the package information in internal structures like mPackages, 13271 * deleting the packages base directories through installd 13272 * updating mSettings to reflect current status 13273 * persisting settings for later use 13274 * sending a broadcast if necessary 13275 */ 13276 private int deletePackageX(String packageName, int userId, int flags) { 13277 final PackageRemovedInfo info = new PackageRemovedInfo(); 13278 final boolean res; 13279 13280 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 13281 ? UserHandle.ALL : new UserHandle(userId); 13282 13283 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 13284 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 13285 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 13286 } 13287 13288 boolean removedForAllUsers = false; 13289 boolean systemUpdate = false; 13290 13291 PackageParser.Package uninstalledPkg; 13292 13293 // for the uninstall-updates case and restricted profiles, remember the per- 13294 // userhandle installed state 13295 int[] allUsers; 13296 boolean[] perUserInstalled; 13297 synchronized (mPackages) { 13298 uninstalledPkg = mPackages.get(packageName); 13299 PackageSetting ps = mSettings.mPackages.get(packageName); 13300 allUsers = sUserManager.getUserIds(); 13301 perUserInstalled = new boolean[allUsers.length]; 13302 for (int i = 0; i < allUsers.length; i++) { 13303 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 13304 } 13305 } 13306 13307 synchronized (mInstallLock) { 13308 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 13309 res = deletePackageLI(packageName, removeForUser, 13310 true, allUsers, perUserInstalled, 13311 flags | REMOVE_CHATTY, info, true); 13312 systemUpdate = info.isRemovedPackageSystemUpdate; 13313 synchronized (mPackages) { 13314 if (res) { 13315 if (!systemUpdate && mPackages.get(packageName) == null) { 13316 removedForAllUsers = true; 13317 } 13318 mEphemeralApplicationRegistry.onPackageUninstalledLPw(uninstalledPkg); 13319 } 13320 } 13321 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 13322 + " removedForAllUsers=" + removedForAllUsers); 13323 } 13324 13325 if (res) { 13326 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 13327 13328 // If the removed package was a system update, the old system package 13329 // was re-enabled; we need to broadcast this information 13330 if (systemUpdate) { 13331 Bundle extras = new Bundle(1); 13332 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 13333 ? info.removedAppId : info.uid); 13334 extras.putBoolean(Intent.EXTRA_REPLACING, true); 13335 13336 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 13337 extras, 0, null, null, null); 13338 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 13339 extras, 0, null, null, null); 13340 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 13341 null, 0, packageName, null, null); 13342 } 13343 } 13344 // Force a gc here. 13345 Runtime.getRuntime().gc(); 13346 // Delete the resources here after sending the broadcast to let 13347 // other processes clean up before deleting resources. 13348 if (info.args != null) { 13349 synchronized (mInstallLock) { 13350 info.args.doPostDeleteLI(true); 13351 } 13352 } 13353 13354 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 13355 } 13356 13357 class PackageRemovedInfo { 13358 String removedPackage; 13359 int uid = -1; 13360 int removedAppId = -1; 13361 int[] removedUsers = null; 13362 boolean isRemovedPackageSystemUpdate = false; 13363 // Clean up resources deleted packages. 13364 InstallArgs args = null; 13365 13366 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 13367 Bundle extras = new Bundle(1); 13368 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 13369 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 13370 if (replacing) { 13371 extras.putBoolean(Intent.EXTRA_REPLACING, true); 13372 } 13373 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 13374 if (removedPackage != null) { 13375 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 13376 extras, 0, null, null, removedUsers); 13377 if (fullRemove && !replacing) { 13378 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 13379 extras, 0, null, null, removedUsers); 13380 } 13381 } 13382 if (removedAppId >= 0) { 13383 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, 0, null, null, 13384 removedUsers); 13385 } 13386 } 13387 } 13388 13389 /* 13390 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 13391 * flag is not set, the data directory is removed as well. 13392 * make sure this flag is set for partially installed apps. If not its meaningless to 13393 * delete a partially installed application. 13394 */ 13395 private void removePackageDataLI(PackageSetting ps, 13396 int[] allUserHandles, boolean[] perUserInstalled, 13397 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 13398 String packageName = ps.name; 13399 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 13400 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 13401 // Retrieve object to delete permissions for shared user later on 13402 final PackageSetting deletedPs; 13403 // reader 13404 synchronized (mPackages) { 13405 deletedPs = mSettings.mPackages.get(packageName); 13406 if (outInfo != null) { 13407 outInfo.removedPackage = packageName; 13408 outInfo.removedUsers = deletedPs != null 13409 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 13410 : null; 13411 } 13412 } 13413 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 13414 removeDataDirsLI(ps.volumeUuid, packageName); 13415 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 13416 } 13417 // writer 13418 synchronized (mPackages) { 13419 if (deletedPs != null) { 13420 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 13421 clearIntentFilterVerificationsLPw(deletedPs.name, UserHandle.USER_ALL); 13422 clearDefaultBrowserIfNeeded(packageName); 13423 if (outInfo != null) { 13424 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 13425 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 13426 } 13427 updatePermissionsLPw(deletedPs.name, null, 0); 13428 if (deletedPs.sharedUser != null) { 13429 // Remove permissions associated with package. Since runtime 13430 // permissions are per user we have to kill the removed package 13431 // or packages running under the shared user of the removed 13432 // package if revoking the permissions requested only by the removed 13433 // package is successful and this causes a change in gids. 13434 for (int userId : UserManagerService.getInstance().getUserIds()) { 13435 final int userIdToKill = mSettings.updateSharedUserPermsLPw(deletedPs, 13436 userId); 13437 if (userIdToKill == UserHandle.USER_ALL 13438 || userIdToKill >= UserHandle.USER_SYSTEM) { 13439 // If gids changed for this user, kill all affected packages. 13440 mHandler.post(new Runnable() { 13441 @Override 13442 public void run() { 13443 // This has to happen with no lock held. 13444 killApplication(deletedPs.name, deletedPs.appId, 13445 KILL_APP_REASON_GIDS_CHANGED); 13446 } 13447 }); 13448 break; 13449 } 13450 } 13451 } 13452 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 13453 } 13454 // make sure to preserve per-user disabled state if this removal was just 13455 // a downgrade of a system app to the factory package 13456 if (allUserHandles != null && perUserInstalled != null) { 13457 if (DEBUG_REMOVE) { 13458 Slog.d(TAG, "Propagating install state across downgrade"); 13459 } 13460 for (int i = 0; i < allUserHandles.length; i++) { 13461 if (DEBUG_REMOVE) { 13462 Slog.d(TAG, " user " + allUserHandles[i] 13463 + " => " + perUserInstalled[i]); 13464 } 13465 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 13466 } 13467 } 13468 } 13469 // can downgrade to reader 13470 if (writeSettings) { 13471 // Save settings now 13472 mSettings.writeLPr(); 13473 } 13474 } 13475 if (outInfo != null) { 13476 // A user ID was deleted here. Go through all users and remove it 13477 // from KeyStore. 13478 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 13479 } 13480 } 13481 13482 static boolean locationIsPrivileged(File path) { 13483 try { 13484 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 13485 .getCanonicalPath(); 13486 return path.getCanonicalPath().startsWith(privilegedAppDir); 13487 } catch (IOException e) { 13488 Slog.e(TAG, "Unable to access code path " + path); 13489 } 13490 return false; 13491 } 13492 13493 /* 13494 * Tries to delete system package. 13495 */ 13496 private boolean deleteSystemPackageLI(PackageSetting newPs, 13497 int[] allUserHandles, boolean[] perUserInstalled, 13498 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 13499 final boolean applyUserRestrictions 13500 = (allUserHandles != null) && (perUserInstalled != null); 13501 PackageSetting disabledPs = null; 13502 // Confirm if the system package has been updated 13503 // An updated system app can be deleted. This will also have to restore 13504 // the system pkg from system partition 13505 // reader 13506 synchronized (mPackages) { 13507 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 13508 } 13509 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 13510 + " disabledPs=" + disabledPs); 13511 if (disabledPs == null) { 13512 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 13513 return false; 13514 } else if (DEBUG_REMOVE) { 13515 Slog.d(TAG, "Deleting system pkg from data partition"); 13516 } 13517 if (DEBUG_REMOVE) { 13518 if (applyUserRestrictions) { 13519 Slog.d(TAG, "Remembering install states:"); 13520 for (int i = 0; i < allUserHandles.length; i++) { 13521 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 13522 } 13523 } 13524 } 13525 // Delete the updated package 13526 outInfo.isRemovedPackageSystemUpdate = true; 13527 if (disabledPs.versionCode < newPs.versionCode) { 13528 // Delete data for downgrades 13529 flags &= ~PackageManager.DELETE_KEEP_DATA; 13530 } else { 13531 // Preserve data by setting flag 13532 flags |= PackageManager.DELETE_KEEP_DATA; 13533 } 13534 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 13535 allUserHandles, perUserInstalled, outInfo, writeSettings); 13536 if (!ret) { 13537 return false; 13538 } 13539 // writer 13540 synchronized (mPackages) { 13541 // Reinstate the old system package 13542 mSettings.enableSystemPackageLPw(newPs.name); 13543 // Remove any native libraries from the upgraded package. 13544 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 13545 } 13546 // Install the system package 13547 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 13548 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 13549 if (locationIsPrivileged(disabledPs.codePath)) { 13550 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 13551 } 13552 13553 final PackageParser.Package newPkg; 13554 try { 13555 newPkg = scanPackageTracedLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 13556 } catch (PackageManagerException e) { 13557 Slog.w(TAG, "Failed to restore system package " + newPs.name + ": " + e.getMessage()); 13558 return false; 13559 } 13560 13561 prepareAppDataAfterInstall(newPkg); 13562 13563 // writer 13564 synchronized (mPackages) { 13565 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 13566 13567 // Propagate the permissions state as we do not want to drop on the floor 13568 // runtime permissions. The update permissions method below will take 13569 // care of removing obsolete permissions and grant install permissions. 13570 ps.getPermissionsState().copyFrom(newPs.getPermissionsState()); 13571 updatePermissionsLPw(newPkg.packageName, newPkg, 13572 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 13573 13574 if (applyUserRestrictions) { 13575 if (DEBUG_REMOVE) { 13576 Slog.d(TAG, "Propagating install state across reinstall"); 13577 } 13578 for (int i = 0; i < allUserHandles.length; i++) { 13579 if (DEBUG_REMOVE) { 13580 Slog.d(TAG, " user " + allUserHandles[i] 13581 + " => " + perUserInstalled[i]); 13582 } 13583 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 13584 13585 mSettings.writeRuntimePermissionsForUserLPr(allUserHandles[i], false); 13586 } 13587 // Regardless of writeSettings we need to ensure that this restriction 13588 // state propagation is persisted 13589 mSettings.writeAllUsersPackageRestrictionsLPr(); 13590 } 13591 // can downgrade to reader here 13592 if (writeSettings) { 13593 mSettings.writeLPr(); 13594 } 13595 } 13596 return true; 13597 } 13598 13599 private boolean deleteInstalledPackageLI(PackageSetting ps, 13600 boolean deleteCodeAndResources, int flags, 13601 int[] allUserHandles, boolean[] perUserInstalled, 13602 PackageRemovedInfo outInfo, boolean writeSettings) { 13603 if (outInfo != null) { 13604 outInfo.uid = ps.appId; 13605 } 13606 13607 // Delete package data from internal structures and also remove data if flag is set 13608 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 13609 13610 // Delete application code and resources 13611 if (deleteCodeAndResources && (outInfo != null)) { 13612 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 13613 ps.codePathString, ps.resourcePathString, getAppDexInstructionSets(ps)); 13614 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 13615 } 13616 return true; 13617 } 13618 13619 @Override 13620 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 13621 int userId) { 13622 mContext.enforceCallingOrSelfPermission( 13623 android.Manifest.permission.DELETE_PACKAGES, null); 13624 synchronized (mPackages) { 13625 PackageSetting ps = mSettings.mPackages.get(packageName); 13626 if (ps == null) { 13627 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 13628 return false; 13629 } 13630 if (!ps.getInstalled(userId)) { 13631 // Can't block uninstall for an app that is not installed or enabled. 13632 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 13633 return false; 13634 } 13635 ps.setBlockUninstall(blockUninstall, userId); 13636 mSettings.writePackageRestrictionsLPr(userId); 13637 } 13638 return true; 13639 } 13640 13641 @Override 13642 public boolean getBlockUninstallForUser(String packageName, int userId) { 13643 synchronized (mPackages) { 13644 PackageSetting ps = mSettings.mPackages.get(packageName); 13645 if (ps == null) { 13646 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 13647 return false; 13648 } 13649 return ps.getBlockUninstall(userId); 13650 } 13651 } 13652 13653 @Override 13654 public boolean setRequiredForSystemUser(String packageName, boolean systemUserApp) { 13655 int callingUid = Binder.getCallingUid(); 13656 if (callingUid != Process.SYSTEM_UID && callingUid != Process.ROOT_UID) { 13657 throw new SecurityException( 13658 "setRequiredForSystemUser can only be run by the system or root"); 13659 } 13660 synchronized (mPackages) { 13661 PackageSetting ps = mSettings.mPackages.get(packageName); 13662 if (ps == null) { 13663 Log.w(TAG, "Package doesn't exist: " + packageName); 13664 return false; 13665 } 13666 if (systemUserApp) { 13667 ps.pkgPrivateFlags |= ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 13668 } else { 13669 ps.pkgPrivateFlags &= ~ApplicationInfo.PRIVATE_FLAG_REQUIRED_FOR_SYSTEM_USER; 13670 } 13671 mSettings.writeLPr(); 13672 } 13673 return true; 13674 } 13675 13676 /* 13677 * This method handles package deletion in general 13678 */ 13679 private boolean deletePackageLI(String packageName, UserHandle user, 13680 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 13681 int flags, PackageRemovedInfo outInfo, 13682 boolean writeSettings) { 13683 if (packageName == null) { 13684 Slog.w(TAG, "Attempt to delete null packageName."); 13685 return false; 13686 } 13687 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 13688 PackageSetting ps; 13689 boolean dataOnly = false; 13690 int removeUser = -1; 13691 int appId = -1; 13692 synchronized (mPackages) { 13693 ps = mSettings.mPackages.get(packageName); 13694 if (ps == null) { 13695 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 13696 return false; 13697 } 13698 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 13699 && user.getIdentifier() != UserHandle.USER_ALL) { 13700 // The caller is asking that the package only be deleted for a single 13701 // user. To do this, we just mark its uninstalled state and delete 13702 // its data. If this is a system app, we only allow this to happen if 13703 // they have set the special DELETE_SYSTEM_APP which requests different 13704 // semantics than normal for uninstalling system apps. 13705 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 13706 final int userId = user.getIdentifier(); 13707 ps.setUserState(userId, 13708 COMPONENT_ENABLED_STATE_DEFAULT, 13709 false, //installed 13710 true, //stopped 13711 true, //notLaunched 13712 false, //hidden 13713 false, //suspended 13714 null, null, null, 13715 false, // blockUninstall 13716 ps.readUserState(userId).domainVerificationStatus, 0); 13717 if (!isSystemApp(ps)) { 13718 // Do not uninstall the APK if an app should be cached 13719 boolean keepUninstalledPackage = shouldKeepUninstalledPackageLPr(packageName); 13720 if (ps.isAnyInstalled(sUserManager.getUserIds()) || keepUninstalledPackage) { 13721 // Other user still have this package installed, so all 13722 // we need to do is clear this user's data and save that 13723 // it is uninstalled. 13724 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 13725 removeUser = user.getIdentifier(); 13726 appId = ps.appId; 13727 scheduleWritePackageRestrictionsLocked(removeUser); 13728 } else { 13729 // We need to set it back to 'installed' so the uninstall 13730 // broadcasts will be sent correctly. 13731 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 13732 ps.setInstalled(true, user.getIdentifier()); 13733 } 13734 } else { 13735 // This is a system app, so we assume that the 13736 // other users still have this package installed, so all 13737 // we need to do is clear this user's data and save that 13738 // it is uninstalled. 13739 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 13740 removeUser = user.getIdentifier(); 13741 appId = ps.appId; 13742 scheduleWritePackageRestrictionsLocked(removeUser); 13743 } 13744 } 13745 } 13746 13747 if (removeUser >= 0) { 13748 // From above, we determined that we are deleting this only 13749 // for a single user. Continue the work here. 13750 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 13751 if (outInfo != null) { 13752 outInfo.removedPackage = packageName; 13753 outInfo.removedAppId = appId; 13754 outInfo.removedUsers = new int[] {removeUser}; 13755 } 13756 // TODO: triage flags as part of 26466827 13757 final int installerFlags = Installer.FLAG_CE_STORAGE | Installer.FLAG_DE_STORAGE; 13758 try { 13759 mInstaller.destroyAppData(ps.volumeUuid, packageName, removeUser, installerFlags); 13760 } catch (InstallerException e) { 13761 Slog.w(TAG, "Failed to delete app data", e); 13762 } 13763 removeKeystoreDataIfNeeded(removeUser, appId); 13764 schedulePackageCleaning(packageName, removeUser, false); 13765 synchronized (mPackages) { 13766 if (clearPackagePreferredActivitiesLPw(packageName, removeUser)) { 13767 scheduleWritePackageRestrictionsLocked(removeUser); 13768 } 13769 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, removeUser); 13770 } 13771 return true; 13772 } 13773 13774 if (dataOnly) { 13775 // Delete application data first 13776 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 13777 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 13778 return true; 13779 } 13780 13781 boolean ret = false; 13782 if (isSystemApp(ps)) { 13783 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package: " + ps.name); 13784 // When an updated system application is deleted we delete the existing resources as well and 13785 // fall back to existing code in system partition 13786 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 13787 flags, outInfo, writeSettings); 13788 } else { 13789 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package: " + ps.name); 13790 // Kill application pre-emptively especially for apps on sd. 13791 killApplication(packageName, ps.appId, "uninstall pkg"); 13792 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 13793 allUserHandles, perUserInstalled, 13794 outInfo, writeSettings); 13795 } 13796 13797 return ret; 13798 } 13799 13800 private final static class ClearStorageConnection implements ServiceConnection { 13801 IMediaContainerService mContainerService; 13802 13803 @Override 13804 public void onServiceConnected(ComponentName name, IBinder service) { 13805 synchronized (this) { 13806 mContainerService = IMediaContainerService.Stub.asInterface(service); 13807 notifyAll(); 13808 } 13809 } 13810 13811 @Override 13812 public void onServiceDisconnected(ComponentName name) { 13813 } 13814 } 13815 13816 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 13817 final boolean mounted; 13818 if (Environment.isExternalStorageEmulated()) { 13819 mounted = true; 13820 } else { 13821 final String status = Environment.getExternalStorageState(); 13822 13823 mounted = status.equals(Environment.MEDIA_MOUNTED) 13824 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 13825 } 13826 13827 if (!mounted) { 13828 return; 13829 } 13830 13831 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 13832 int[] users; 13833 if (userId == UserHandle.USER_ALL) { 13834 users = sUserManager.getUserIds(); 13835 } else { 13836 users = new int[] { userId }; 13837 } 13838 final ClearStorageConnection conn = new ClearStorageConnection(); 13839 if (mContext.bindServiceAsUser( 13840 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.SYSTEM)) { 13841 try { 13842 for (int curUser : users) { 13843 long timeout = SystemClock.uptimeMillis() + 5000; 13844 synchronized (conn) { 13845 long now = SystemClock.uptimeMillis(); 13846 while (conn.mContainerService == null && now < timeout) { 13847 try { 13848 conn.wait(timeout - now); 13849 } catch (InterruptedException e) { 13850 } 13851 } 13852 } 13853 if (conn.mContainerService == null) { 13854 return; 13855 } 13856 13857 final UserEnvironment userEnv = new UserEnvironment(curUser); 13858 clearDirectory(conn.mContainerService, 13859 userEnv.buildExternalStorageAppCacheDirs(packageName)); 13860 if (allData) { 13861 clearDirectory(conn.mContainerService, 13862 userEnv.buildExternalStorageAppDataDirs(packageName)); 13863 clearDirectory(conn.mContainerService, 13864 userEnv.buildExternalStorageAppMediaDirs(packageName)); 13865 } 13866 } 13867 } finally { 13868 mContext.unbindService(conn); 13869 } 13870 } 13871 } 13872 13873 @Override 13874 public void clearApplicationUserData(final String packageName, 13875 final IPackageDataObserver observer, final int userId) { 13876 mContext.enforceCallingOrSelfPermission( 13877 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 13878 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 13879 // Queue up an async operation since the package deletion may take a little while. 13880 mHandler.post(new Runnable() { 13881 public void run() { 13882 mHandler.removeCallbacks(this); 13883 final boolean succeeded; 13884 synchronized (mInstallLock) { 13885 succeeded = clearApplicationUserDataLI(packageName, userId); 13886 } 13887 clearExternalStorageDataSync(packageName, userId, true); 13888 if (succeeded) { 13889 // invoke DeviceStorageMonitor's update method to clear any notifications 13890 DeviceStorageMonitorInternal 13891 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13892 if (dsm != null) { 13893 dsm.checkMemory(); 13894 } 13895 } 13896 if(observer != null) { 13897 try { 13898 observer.onRemoveCompleted(packageName, succeeded); 13899 } catch (RemoteException e) { 13900 Log.i(TAG, "Observer no longer exists."); 13901 } 13902 } //end if observer 13903 } //end run 13904 }); 13905 } 13906 13907 private boolean clearApplicationUserDataLI(String packageName, int userId) { 13908 if (packageName == null) { 13909 Slog.w(TAG, "Attempt to delete null packageName."); 13910 return false; 13911 } 13912 13913 // Try finding details about the requested package 13914 PackageParser.Package pkg; 13915 synchronized (mPackages) { 13916 pkg = mPackages.get(packageName); 13917 if (pkg == null) { 13918 final PackageSetting ps = mSettings.mPackages.get(packageName); 13919 if (ps != null) { 13920 pkg = ps.pkg; 13921 } 13922 } 13923 13924 if (pkg == null) { 13925 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 13926 return false; 13927 } 13928 13929 PackageSetting ps = (PackageSetting) pkg.mExtras; 13930 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 13931 } 13932 13933 // Always delete data directories for package, even if we found no other 13934 // record of app. This helps users recover from UID mismatches without 13935 // resorting to a full data wipe. 13936 // TODO: triage flags as part of 26466827 13937 final int flags = Installer.FLAG_CE_STORAGE | Installer.FLAG_DE_STORAGE; 13938 try { 13939 mInstaller.clearAppData(pkg.volumeUuid, packageName, userId, flags); 13940 } catch (InstallerException e) { 13941 Slog.w(TAG, "Couldn't remove cache files for package " + packageName, e); 13942 return false; 13943 } 13944 13945 final int appId = UserHandle.getAppId(pkg.applicationInfo.uid); 13946 removeKeystoreDataIfNeeded(userId, appId); 13947 13948 // Create a native library symlink only if we have native libraries 13949 // and if the native libraries are 32 bit libraries. We do not provide 13950 // this symlink for 64 bit libraries. 13951 if (pkg.applicationInfo.primaryCpuAbi != null && 13952 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 13953 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 13954 try { 13955 mInstaller.linkNativeLibraryDirectory(pkg.volumeUuid, pkg.packageName, 13956 nativeLibPath, userId); 13957 } catch (InstallerException e) { 13958 Slog.w(TAG, "Failed linking native library dir", e); 13959 return false; 13960 } 13961 } 13962 13963 return true; 13964 } 13965 13966 /** 13967 * Reverts user permission state changes (permissions and flags) in 13968 * all packages for a given user. 13969 * 13970 * @param userId The device user for which to do a reset. 13971 */ 13972 private void resetUserChangesToRuntimePermissionsAndFlagsLPw(int userId) { 13973 final int packageCount = mPackages.size(); 13974 for (int i = 0; i < packageCount; i++) { 13975 PackageParser.Package pkg = mPackages.valueAt(i); 13976 PackageSetting ps = (PackageSetting) pkg.mExtras; 13977 resetUserChangesToRuntimePermissionsAndFlagsLPw(ps, userId); 13978 } 13979 } 13980 13981 /** 13982 * Reverts user permission state changes (permissions and flags). 13983 * 13984 * @param ps The package for which to reset. 13985 * @param userId The device user for which to do a reset. 13986 */ 13987 private void resetUserChangesToRuntimePermissionsAndFlagsLPw( 13988 final PackageSetting ps, final int userId) { 13989 if (ps.pkg == null) { 13990 return; 13991 } 13992 13993 // These are flags that can change base on user actions. 13994 final int userSettableMask = FLAG_PERMISSION_USER_SET 13995 | FLAG_PERMISSION_USER_FIXED 13996 | FLAG_PERMISSION_REVOKE_ON_UPGRADE 13997 | FLAG_PERMISSION_REVIEW_REQUIRED; 13998 13999 final int policyOrSystemFlags = FLAG_PERMISSION_SYSTEM_FIXED 14000 | FLAG_PERMISSION_POLICY_FIXED; 14001 14002 boolean writeInstallPermissions = false; 14003 boolean writeRuntimePermissions = false; 14004 14005 final int permissionCount = ps.pkg.requestedPermissions.size(); 14006 for (int i = 0; i < permissionCount; i++) { 14007 String permission = ps.pkg.requestedPermissions.get(i); 14008 14009 BasePermission bp = mSettings.mPermissions.get(permission); 14010 if (bp == null) { 14011 continue; 14012 } 14013 14014 // If shared user we just reset the state to which only this app contributed. 14015 if (ps.sharedUser != null) { 14016 boolean used = false; 14017 final int packageCount = ps.sharedUser.packages.size(); 14018 for (int j = 0; j < packageCount; j++) { 14019 PackageSetting pkg = ps.sharedUser.packages.valueAt(j); 14020 if (pkg.pkg != null && !pkg.pkg.packageName.equals(ps.pkg.packageName) 14021 && pkg.pkg.requestedPermissions.contains(permission)) { 14022 used = true; 14023 break; 14024 } 14025 } 14026 if (used) { 14027 continue; 14028 } 14029 } 14030 14031 PermissionsState permissionsState = ps.getPermissionsState(); 14032 14033 final int oldFlags = permissionsState.getPermissionFlags(bp.name, userId); 14034 14035 // Always clear the user settable flags. 14036 final boolean hasInstallState = permissionsState.getInstallPermissionState( 14037 bp.name) != null; 14038 // If permission review is enabled and this is a legacy app, mark the 14039 // permission as requiring a review as this is the initial state. 14040 int flags = 0; 14041 if (Build.PERMISSIONS_REVIEW_REQUIRED 14042 && ps.pkg.applicationInfo.targetSdkVersion < Build.VERSION_CODES.M) { 14043 flags |= FLAG_PERMISSION_REVIEW_REQUIRED; 14044 } 14045 if (permissionsState.updatePermissionFlags(bp, userId, userSettableMask, flags)) { 14046 if (hasInstallState) { 14047 writeInstallPermissions = true; 14048 } else { 14049 writeRuntimePermissions = true; 14050 } 14051 } 14052 14053 // Below is only runtime permission handling. 14054 if (!bp.isRuntime()) { 14055 continue; 14056 } 14057 14058 // Never clobber system or policy. 14059 if ((oldFlags & policyOrSystemFlags) != 0) { 14060 continue; 14061 } 14062 14063 // If this permission was granted by default, make sure it is. 14064 if ((oldFlags & FLAG_PERMISSION_GRANTED_BY_DEFAULT) != 0) { 14065 if (permissionsState.grantRuntimePermission(bp, userId) 14066 != PERMISSION_OPERATION_FAILURE) { 14067 writeRuntimePermissions = true; 14068 } 14069 // If permission review is enabled the permissions for a legacy apps 14070 // are represented as constantly granted runtime ones, so don't revoke. 14071 } else if ((flags & FLAG_PERMISSION_REVIEW_REQUIRED) == 0) { 14072 // Otherwise, reset the permission. 14073 final int revokeResult = permissionsState.revokeRuntimePermission(bp, userId); 14074 switch (revokeResult) { 14075 case PERMISSION_OPERATION_SUCCESS: { 14076 writeRuntimePermissions = true; 14077 } break; 14078 14079 case PERMISSION_OPERATION_SUCCESS_GIDS_CHANGED: { 14080 writeRuntimePermissions = true; 14081 final int appId = ps.appId; 14082 mHandler.post(new Runnable() { 14083 @Override 14084 public void run() { 14085 killUid(appId, userId, KILL_APP_REASON_GIDS_CHANGED); 14086 } 14087 }); 14088 } break; 14089 } 14090 } 14091 } 14092 14093 // Synchronously write as we are taking permissions away. 14094 if (writeRuntimePermissions) { 14095 mSettings.writeRuntimePermissionsForUserLPr(userId, true); 14096 } 14097 14098 // Synchronously write as we are taking permissions away. 14099 if (writeInstallPermissions) { 14100 mSettings.writeLPr(); 14101 } 14102 } 14103 14104 /** 14105 * Remove entries from the keystore daemon. Will only remove it if the 14106 * {@code appId} is valid. 14107 */ 14108 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 14109 if (appId < 0) { 14110 return; 14111 } 14112 14113 final KeyStore keyStore = KeyStore.getInstance(); 14114 if (keyStore != null) { 14115 if (userId == UserHandle.USER_ALL) { 14116 for (final int individual : sUserManager.getUserIds()) { 14117 keyStore.clearUid(UserHandle.getUid(individual, appId)); 14118 } 14119 } else { 14120 keyStore.clearUid(UserHandle.getUid(userId, appId)); 14121 } 14122 } else { 14123 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 14124 } 14125 } 14126 14127 @Override 14128 public void deleteApplicationCacheFiles(final String packageName, 14129 final IPackageDataObserver observer) { 14130 mContext.enforceCallingOrSelfPermission( 14131 android.Manifest.permission.DELETE_CACHE_FILES, null); 14132 // Queue up an async operation since the package deletion may take a little while. 14133 final int userId = UserHandle.getCallingUserId(); 14134 mHandler.post(new Runnable() { 14135 public void run() { 14136 mHandler.removeCallbacks(this); 14137 final boolean succeded; 14138 synchronized (mInstallLock) { 14139 succeded = deleteApplicationCacheFilesLI(packageName, userId); 14140 } 14141 clearExternalStorageDataSync(packageName, userId, false); 14142 if (observer != null) { 14143 try { 14144 observer.onRemoveCompleted(packageName, succeded); 14145 } catch (RemoteException e) { 14146 Log.i(TAG, "Observer no longer exists."); 14147 } 14148 } //end if observer 14149 } //end run 14150 }); 14151 } 14152 14153 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 14154 if (packageName == null) { 14155 Slog.w(TAG, "Attempt to delete null packageName."); 14156 return false; 14157 } 14158 PackageParser.Package p; 14159 synchronized (mPackages) { 14160 p = mPackages.get(packageName); 14161 } 14162 if (p == null) { 14163 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 14164 return false; 14165 } 14166 final ApplicationInfo applicationInfo = p.applicationInfo; 14167 if (applicationInfo == null) { 14168 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 14169 return false; 14170 } 14171 // TODO: triage flags as part of 26466827 14172 final int flags = Installer.FLAG_CE_STORAGE | Installer.FLAG_DE_STORAGE; 14173 try { 14174 mInstaller.clearAppData(p.volumeUuid, packageName, userId, 14175 flags | Installer.FLAG_CLEAR_CACHE_ONLY); 14176 } catch (InstallerException e) { 14177 Slog.w(TAG, "Couldn't remove cache files for package " 14178 + packageName + " u" + userId, e); 14179 return false; 14180 } 14181 return true; 14182 } 14183 14184 @Override 14185 public void getPackageSizeInfo(final String packageName, int userHandle, 14186 final IPackageStatsObserver observer) { 14187 mContext.enforceCallingOrSelfPermission( 14188 android.Manifest.permission.GET_PACKAGE_SIZE, null); 14189 if (packageName == null) { 14190 throw new IllegalArgumentException("Attempt to get size of null packageName"); 14191 } 14192 14193 PackageStats stats = new PackageStats(packageName, userHandle); 14194 14195 /* 14196 * Queue up an async operation since the package measurement may take a 14197 * little while. 14198 */ 14199 Message msg = mHandler.obtainMessage(INIT_COPY); 14200 msg.obj = new MeasureParams(stats, observer); 14201 mHandler.sendMessage(msg); 14202 } 14203 14204 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 14205 PackageStats pStats) { 14206 if (packageName == null) { 14207 Slog.w(TAG, "Attempt to get size of null packageName."); 14208 return false; 14209 } 14210 PackageParser.Package p; 14211 boolean dataOnly = false; 14212 String libDirRoot = null; 14213 String asecPath = null; 14214 PackageSetting ps = null; 14215 synchronized (mPackages) { 14216 p = mPackages.get(packageName); 14217 ps = mSettings.mPackages.get(packageName); 14218 if(p == null) { 14219 dataOnly = true; 14220 if((ps == null) || (ps.pkg == null)) { 14221 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 14222 return false; 14223 } 14224 p = ps.pkg; 14225 } 14226 if (ps != null) { 14227 libDirRoot = ps.legacyNativeLibraryPathString; 14228 } 14229 if (p != null && (p.isForwardLocked() || p.applicationInfo.isExternalAsec())) { 14230 final long token = Binder.clearCallingIdentity(); 14231 try { 14232 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 14233 if (secureContainerId != null) { 14234 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 14235 } 14236 } finally { 14237 Binder.restoreCallingIdentity(token); 14238 } 14239 } 14240 } 14241 String publicSrcDir = null; 14242 if(!dataOnly) { 14243 final ApplicationInfo applicationInfo = p.applicationInfo; 14244 if (applicationInfo == null) { 14245 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 14246 return false; 14247 } 14248 if (p.isForwardLocked()) { 14249 publicSrcDir = applicationInfo.getBaseResourcePath(); 14250 } 14251 } 14252 // TODO: extend to measure size of split APKs 14253 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 14254 // not just the first level. 14255 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 14256 // just the primary. 14257 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 14258 14259 String apkPath; 14260 File packageDir = new File(p.codePath); 14261 14262 if (packageDir.isDirectory() && p.canHaveOatDir()) { 14263 apkPath = packageDir.getAbsolutePath(); 14264 // If libDirRoot is inside a package dir, set it to null to avoid it being counted twice 14265 if (libDirRoot != null && libDirRoot.startsWith(apkPath)) { 14266 libDirRoot = null; 14267 } 14268 } else { 14269 apkPath = p.baseCodePath; 14270 } 14271 14272 // TODO: triage flags as part of 26466827 14273 final int flags = Installer.FLAG_CE_STORAGE | Installer.FLAG_DE_STORAGE; 14274 try { 14275 mInstaller.getAppSize(p.volumeUuid, packageName, userHandle, flags, apkPath, 14276 libDirRoot, publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 14277 } catch (InstallerException e) { 14278 return false; 14279 } 14280 14281 // Fix-up for forward-locked applications in ASEC containers. 14282 if (!isExternal(p)) { 14283 pStats.codeSize += pStats.externalCodeSize; 14284 pStats.externalCodeSize = 0L; 14285 } 14286 14287 return true; 14288 } 14289 14290 14291 @Override 14292 public void addPackageToPreferred(String packageName) { 14293 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 14294 } 14295 14296 @Override 14297 public void removePackageFromPreferred(String packageName) { 14298 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 14299 } 14300 14301 @Override 14302 public List<PackageInfo> getPreferredPackages(int flags) { 14303 return new ArrayList<PackageInfo>(); 14304 } 14305 14306 private int getUidTargetSdkVersionLockedLPr(int uid) { 14307 Object obj = mSettings.getUserIdLPr(uid); 14308 if (obj instanceof SharedUserSetting) { 14309 final SharedUserSetting sus = (SharedUserSetting) obj; 14310 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 14311 final Iterator<PackageSetting> it = sus.packages.iterator(); 14312 while (it.hasNext()) { 14313 final PackageSetting ps = it.next(); 14314 if (ps.pkg != null) { 14315 int v = ps.pkg.applicationInfo.targetSdkVersion; 14316 if (v < vers) vers = v; 14317 } 14318 } 14319 return vers; 14320 } else if (obj instanceof PackageSetting) { 14321 final PackageSetting ps = (PackageSetting) obj; 14322 if (ps.pkg != null) { 14323 return ps.pkg.applicationInfo.targetSdkVersion; 14324 } 14325 } 14326 return Build.VERSION_CODES.CUR_DEVELOPMENT; 14327 } 14328 14329 @Override 14330 public void addPreferredActivity(IntentFilter filter, int match, 14331 ComponentName[] set, ComponentName activity, int userId) { 14332 addPreferredActivityInternal(filter, match, set, activity, true, userId, 14333 "Adding preferred"); 14334 } 14335 14336 private void addPreferredActivityInternal(IntentFilter filter, int match, 14337 ComponentName[] set, ComponentName activity, boolean always, int userId, 14338 String opname) { 14339 // writer 14340 int callingUid = Binder.getCallingUid(); 14341 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 14342 if (filter.countActions() == 0) { 14343 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 14344 return; 14345 } 14346 synchronized (mPackages) { 14347 if (mContext.checkCallingOrSelfPermission( 14348 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 14349 != PackageManager.PERMISSION_GRANTED) { 14350 if (getUidTargetSdkVersionLockedLPr(callingUid) 14351 < Build.VERSION_CODES.FROYO) { 14352 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 14353 + callingUid); 14354 return; 14355 } 14356 mContext.enforceCallingOrSelfPermission( 14357 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14358 } 14359 14360 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 14361 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 14362 + userId + ":"); 14363 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14364 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 14365 scheduleWritePackageRestrictionsLocked(userId); 14366 } 14367 } 14368 14369 @Override 14370 public void replacePreferredActivity(IntentFilter filter, int match, 14371 ComponentName[] set, ComponentName activity, int userId) { 14372 if (filter.countActions() != 1) { 14373 throw new IllegalArgumentException( 14374 "replacePreferredActivity expects filter to have only 1 action."); 14375 } 14376 if (filter.countDataAuthorities() != 0 14377 || filter.countDataPaths() != 0 14378 || filter.countDataSchemes() > 1 14379 || filter.countDataTypes() != 0) { 14380 throw new IllegalArgumentException( 14381 "replacePreferredActivity expects filter to have no data authorities, " + 14382 "paths, or types; and at most one scheme."); 14383 } 14384 14385 final int callingUid = Binder.getCallingUid(); 14386 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 14387 synchronized (mPackages) { 14388 if (mContext.checkCallingOrSelfPermission( 14389 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 14390 != PackageManager.PERMISSION_GRANTED) { 14391 if (getUidTargetSdkVersionLockedLPr(callingUid) 14392 < Build.VERSION_CODES.FROYO) { 14393 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 14394 + Binder.getCallingUid()); 14395 return; 14396 } 14397 mContext.enforceCallingOrSelfPermission( 14398 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14399 } 14400 14401 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 14402 if (pir != null) { 14403 // Get all of the existing entries that exactly match this filter. 14404 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 14405 if (existing != null && existing.size() == 1) { 14406 PreferredActivity cur = existing.get(0); 14407 if (DEBUG_PREFERRED) { 14408 Slog.i(TAG, "Checking replace of preferred:"); 14409 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14410 if (!cur.mPref.mAlways) { 14411 Slog.i(TAG, " -- CUR; not mAlways!"); 14412 } else { 14413 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 14414 Slog.i(TAG, " -- CUR: mSet=" 14415 + Arrays.toString(cur.mPref.mSetComponents)); 14416 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 14417 Slog.i(TAG, " -- NEW: mMatch=" 14418 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 14419 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 14420 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 14421 } 14422 } 14423 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 14424 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 14425 && cur.mPref.sameSet(set)) { 14426 // Setting the preferred activity to what it happens to be already 14427 if (DEBUG_PREFERRED) { 14428 Slog.i(TAG, "Replacing with same preferred activity " 14429 + cur.mPref.mShortComponent + " for user " 14430 + userId + ":"); 14431 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14432 } 14433 return; 14434 } 14435 } 14436 14437 if (existing != null) { 14438 if (DEBUG_PREFERRED) { 14439 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 14440 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14441 } 14442 for (int i = 0; i < existing.size(); i++) { 14443 PreferredActivity pa = existing.get(i); 14444 if (DEBUG_PREFERRED) { 14445 Slog.i(TAG, "Removing existing preferred activity " 14446 + pa.mPref.mComponent + ":"); 14447 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 14448 } 14449 pir.removeFilter(pa); 14450 } 14451 } 14452 } 14453 addPreferredActivityInternal(filter, match, set, activity, true, userId, 14454 "Replacing preferred"); 14455 } 14456 } 14457 14458 @Override 14459 public void clearPackagePreferredActivities(String packageName) { 14460 final int uid = Binder.getCallingUid(); 14461 // writer 14462 synchronized (mPackages) { 14463 PackageParser.Package pkg = mPackages.get(packageName); 14464 if (pkg == null || pkg.applicationInfo.uid != uid) { 14465 if (mContext.checkCallingOrSelfPermission( 14466 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 14467 != PackageManager.PERMISSION_GRANTED) { 14468 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 14469 < Build.VERSION_CODES.FROYO) { 14470 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 14471 + Binder.getCallingUid()); 14472 return; 14473 } 14474 mContext.enforceCallingOrSelfPermission( 14475 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14476 } 14477 } 14478 14479 int user = UserHandle.getCallingUserId(); 14480 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 14481 scheduleWritePackageRestrictionsLocked(user); 14482 } 14483 } 14484 } 14485 14486 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 14487 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 14488 ArrayList<PreferredActivity> removed = null; 14489 boolean changed = false; 14490 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 14491 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 14492 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 14493 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 14494 continue; 14495 } 14496 Iterator<PreferredActivity> it = pir.filterIterator(); 14497 while (it.hasNext()) { 14498 PreferredActivity pa = it.next(); 14499 // Mark entry for removal only if it matches the package name 14500 // and the entry is of type "always". 14501 if (packageName == null || 14502 (pa.mPref.mComponent.getPackageName().equals(packageName) 14503 && pa.mPref.mAlways)) { 14504 if (removed == null) { 14505 removed = new ArrayList<PreferredActivity>(); 14506 } 14507 removed.add(pa); 14508 } 14509 } 14510 if (removed != null) { 14511 for (int j=0; j<removed.size(); j++) { 14512 PreferredActivity pa = removed.get(j); 14513 pir.removeFilter(pa); 14514 } 14515 changed = true; 14516 } 14517 } 14518 return changed; 14519 } 14520 14521 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 14522 private void clearIntentFilterVerificationsLPw(int userId) { 14523 final int packageCount = mPackages.size(); 14524 for (int i = 0; i < packageCount; i++) { 14525 PackageParser.Package pkg = mPackages.valueAt(i); 14526 clearIntentFilterVerificationsLPw(pkg.packageName, userId); 14527 } 14528 } 14529 14530 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 14531 void clearIntentFilterVerificationsLPw(String packageName, int userId) { 14532 if (userId == UserHandle.USER_ALL) { 14533 if (mSettings.removeIntentFilterVerificationLPw(packageName, 14534 sUserManager.getUserIds())) { 14535 for (int oneUserId : sUserManager.getUserIds()) { 14536 scheduleWritePackageRestrictionsLocked(oneUserId); 14537 } 14538 } 14539 } else { 14540 if (mSettings.removeIntentFilterVerificationLPw(packageName, userId)) { 14541 scheduleWritePackageRestrictionsLocked(userId); 14542 } 14543 } 14544 } 14545 14546 void clearDefaultBrowserIfNeeded(String packageName) { 14547 for (int oneUserId : sUserManager.getUserIds()) { 14548 String defaultBrowserPackageName = getDefaultBrowserPackageName(oneUserId); 14549 if (TextUtils.isEmpty(defaultBrowserPackageName)) continue; 14550 if (packageName.equals(defaultBrowserPackageName)) { 14551 setDefaultBrowserPackageName(null, oneUserId); 14552 } 14553 } 14554 } 14555 14556 @Override 14557 public void resetApplicationPreferences(int userId) { 14558 mContext.enforceCallingOrSelfPermission( 14559 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 14560 // writer 14561 synchronized (mPackages) { 14562 final long identity = Binder.clearCallingIdentity(); 14563 try { 14564 clearPackagePreferredActivitiesLPw(null, userId); 14565 mSettings.applyDefaultPreferredAppsLPw(this, userId); 14566 // TODO: We have to reset the default SMS and Phone. This requires 14567 // significant refactoring to keep all default apps in the package 14568 // manager (cleaner but more work) or have the services provide 14569 // callbacks to the package manager to request a default app reset. 14570 applyFactoryDefaultBrowserLPw(userId); 14571 clearIntentFilterVerificationsLPw(userId); 14572 primeDomainVerificationsLPw(userId); 14573 resetUserChangesToRuntimePermissionsAndFlagsLPw(userId); 14574 scheduleWritePackageRestrictionsLocked(userId); 14575 } finally { 14576 Binder.restoreCallingIdentity(identity); 14577 } 14578 } 14579 } 14580 14581 @Override 14582 public int getPreferredActivities(List<IntentFilter> outFilters, 14583 List<ComponentName> outActivities, String packageName) { 14584 14585 int num = 0; 14586 final int userId = UserHandle.getCallingUserId(); 14587 // reader 14588 synchronized (mPackages) { 14589 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 14590 if (pir != null) { 14591 final Iterator<PreferredActivity> it = pir.filterIterator(); 14592 while (it.hasNext()) { 14593 final PreferredActivity pa = it.next(); 14594 if (packageName == null 14595 || (pa.mPref.mComponent.getPackageName().equals(packageName) 14596 && pa.mPref.mAlways)) { 14597 if (outFilters != null) { 14598 outFilters.add(new IntentFilter(pa)); 14599 } 14600 if (outActivities != null) { 14601 outActivities.add(pa.mPref.mComponent); 14602 } 14603 } 14604 } 14605 } 14606 } 14607 14608 return num; 14609 } 14610 14611 @Override 14612 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 14613 int userId) { 14614 int callingUid = Binder.getCallingUid(); 14615 if (callingUid != Process.SYSTEM_UID) { 14616 throw new SecurityException( 14617 "addPersistentPreferredActivity can only be run by the system"); 14618 } 14619 if (filter.countActions() == 0) { 14620 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 14621 return; 14622 } 14623 synchronized (mPackages) { 14624 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 14625 ":"); 14626 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 14627 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 14628 new PersistentPreferredActivity(filter, activity)); 14629 scheduleWritePackageRestrictionsLocked(userId); 14630 } 14631 } 14632 14633 @Override 14634 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 14635 int callingUid = Binder.getCallingUid(); 14636 if (callingUid != Process.SYSTEM_UID) { 14637 throw new SecurityException( 14638 "clearPackagePersistentPreferredActivities can only be run by the system"); 14639 } 14640 ArrayList<PersistentPreferredActivity> removed = null; 14641 boolean changed = false; 14642 synchronized (mPackages) { 14643 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 14644 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 14645 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 14646 .valueAt(i); 14647 if (userId != thisUserId) { 14648 continue; 14649 } 14650 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 14651 while (it.hasNext()) { 14652 PersistentPreferredActivity ppa = it.next(); 14653 // Mark entry for removal only if it matches the package name. 14654 if (ppa.mComponent.getPackageName().equals(packageName)) { 14655 if (removed == null) { 14656 removed = new ArrayList<PersistentPreferredActivity>(); 14657 } 14658 removed.add(ppa); 14659 } 14660 } 14661 if (removed != null) { 14662 for (int j=0; j<removed.size(); j++) { 14663 PersistentPreferredActivity ppa = removed.get(j); 14664 ppir.removeFilter(ppa); 14665 } 14666 changed = true; 14667 } 14668 } 14669 14670 if (changed) { 14671 scheduleWritePackageRestrictionsLocked(userId); 14672 } 14673 } 14674 } 14675 14676 /** 14677 * Common machinery for picking apart a restored XML blob and passing 14678 * it to a caller-supplied functor to be applied to the running system. 14679 */ 14680 private void restoreFromXml(XmlPullParser parser, int userId, 14681 String expectedStartTag, BlobXmlRestorer functor) 14682 throws IOException, XmlPullParserException { 14683 int type; 14684 while ((type = parser.next()) != XmlPullParser.START_TAG 14685 && type != XmlPullParser.END_DOCUMENT) { 14686 } 14687 if (type != XmlPullParser.START_TAG) { 14688 // oops didn't find a start tag?! 14689 if (DEBUG_BACKUP) { 14690 Slog.e(TAG, "Didn't find start tag during restore"); 14691 } 14692 return; 14693 } 14694 14695 // this is supposed to be TAG_PREFERRED_BACKUP 14696 if (!expectedStartTag.equals(parser.getName())) { 14697 if (DEBUG_BACKUP) { 14698 Slog.e(TAG, "Found unexpected tag " + parser.getName()); 14699 } 14700 return; 14701 } 14702 14703 // skip interfering stuff, then we're aligned with the backing implementation 14704 while ((type = parser.next()) == XmlPullParser.TEXT) { } 14705 functor.apply(parser, userId); 14706 } 14707 14708 private interface BlobXmlRestorer { 14709 public void apply(XmlPullParser parser, int userId) throws IOException, XmlPullParserException; 14710 } 14711 14712 /** 14713 * Non-Binder method, support for the backup/restore mechanism: write the 14714 * full set of preferred activities in its canonical XML format. Returns the 14715 * XML output as a byte array, or null if there is none. 14716 */ 14717 @Override 14718 public byte[] getPreferredActivityBackup(int userId) { 14719 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14720 throw new SecurityException("Only the system may call getPreferredActivityBackup()"); 14721 } 14722 14723 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14724 try { 14725 final XmlSerializer serializer = new FastXmlSerializer(); 14726 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14727 serializer.startDocument(null, true); 14728 serializer.startTag(null, TAG_PREFERRED_BACKUP); 14729 14730 synchronized (mPackages) { 14731 mSettings.writePreferredActivitiesLPr(serializer, userId, true); 14732 } 14733 14734 serializer.endTag(null, TAG_PREFERRED_BACKUP); 14735 serializer.endDocument(); 14736 serializer.flush(); 14737 } catch (Exception e) { 14738 if (DEBUG_BACKUP) { 14739 Slog.e(TAG, "Unable to write preferred activities for backup", e); 14740 } 14741 return null; 14742 } 14743 14744 return dataStream.toByteArray(); 14745 } 14746 14747 @Override 14748 public void restorePreferredActivities(byte[] backup, int userId) { 14749 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14750 throw new SecurityException("Only the system may call restorePreferredActivities()"); 14751 } 14752 14753 try { 14754 final XmlPullParser parser = Xml.newPullParser(); 14755 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14756 restoreFromXml(parser, userId, TAG_PREFERRED_BACKUP, 14757 new BlobXmlRestorer() { 14758 @Override 14759 public void apply(XmlPullParser parser, int userId) 14760 throws XmlPullParserException, IOException { 14761 synchronized (mPackages) { 14762 mSettings.readPreferredActivitiesLPw(parser, userId); 14763 } 14764 } 14765 } ); 14766 } catch (Exception e) { 14767 if (DEBUG_BACKUP) { 14768 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 14769 } 14770 } 14771 } 14772 14773 /** 14774 * Non-Binder method, support for the backup/restore mechanism: write the 14775 * default browser (etc) settings in its canonical XML format. Returns the default 14776 * browser XML representation as a byte array, or null if there is none. 14777 */ 14778 @Override 14779 public byte[] getDefaultAppsBackup(int userId) { 14780 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14781 throw new SecurityException("Only the system may call getDefaultAppsBackup()"); 14782 } 14783 14784 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14785 try { 14786 final XmlSerializer serializer = new FastXmlSerializer(); 14787 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14788 serializer.startDocument(null, true); 14789 serializer.startTag(null, TAG_DEFAULT_APPS); 14790 14791 synchronized (mPackages) { 14792 mSettings.writeDefaultAppsLPr(serializer, userId); 14793 } 14794 14795 serializer.endTag(null, TAG_DEFAULT_APPS); 14796 serializer.endDocument(); 14797 serializer.flush(); 14798 } catch (Exception e) { 14799 if (DEBUG_BACKUP) { 14800 Slog.e(TAG, "Unable to write default apps for backup", e); 14801 } 14802 return null; 14803 } 14804 14805 return dataStream.toByteArray(); 14806 } 14807 14808 @Override 14809 public void restoreDefaultApps(byte[] backup, int userId) { 14810 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14811 throw new SecurityException("Only the system may call restoreDefaultApps()"); 14812 } 14813 14814 try { 14815 final XmlPullParser parser = Xml.newPullParser(); 14816 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14817 restoreFromXml(parser, userId, TAG_DEFAULT_APPS, 14818 new BlobXmlRestorer() { 14819 @Override 14820 public void apply(XmlPullParser parser, int userId) 14821 throws XmlPullParserException, IOException { 14822 synchronized (mPackages) { 14823 mSettings.readDefaultAppsLPw(parser, userId); 14824 } 14825 } 14826 } ); 14827 } catch (Exception e) { 14828 if (DEBUG_BACKUP) { 14829 Slog.e(TAG, "Exception restoring default apps: " + e.getMessage()); 14830 } 14831 } 14832 } 14833 14834 @Override 14835 public byte[] getIntentFilterVerificationBackup(int userId) { 14836 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14837 throw new SecurityException("Only the system may call getIntentFilterVerificationBackup()"); 14838 } 14839 14840 ByteArrayOutputStream dataStream = new ByteArrayOutputStream(); 14841 try { 14842 final XmlSerializer serializer = new FastXmlSerializer(); 14843 serializer.setOutput(dataStream, StandardCharsets.UTF_8.name()); 14844 serializer.startDocument(null, true); 14845 serializer.startTag(null, TAG_INTENT_FILTER_VERIFICATION); 14846 14847 synchronized (mPackages) { 14848 mSettings.writeAllDomainVerificationsLPr(serializer, userId); 14849 } 14850 14851 serializer.endTag(null, TAG_INTENT_FILTER_VERIFICATION); 14852 serializer.endDocument(); 14853 serializer.flush(); 14854 } catch (Exception e) { 14855 if (DEBUG_BACKUP) { 14856 Slog.e(TAG, "Unable to write default apps for backup", e); 14857 } 14858 return null; 14859 } 14860 14861 return dataStream.toByteArray(); 14862 } 14863 14864 @Override 14865 public void restoreIntentFilterVerification(byte[] backup, int userId) { 14866 if (Binder.getCallingUid() != Process.SYSTEM_UID) { 14867 throw new SecurityException("Only the system may call restorePreferredActivities()"); 14868 } 14869 14870 try { 14871 final XmlPullParser parser = Xml.newPullParser(); 14872 parser.setInput(new ByteArrayInputStream(backup), StandardCharsets.UTF_8.name()); 14873 restoreFromXml(parser, userId, TAG_INTENT_FILTER_VERIFICATION, 14874 new BlobXmlRestorer() { 14875 @Override 14876 public void apply(XmlPullParser parser, int userId) 14877 throws XmlPullParserException, IOException { 14878 synchronized (mPackages) { 14879 mSettings.readAllDomainVerificationsLPr(parser, userId); 14880 mSettings.writeLPr(); 14881 } 14882 } 14883 } ); 14884 } catch (Exception e) { 14885 if (DEBUG_BACKUP) { 14886 Slog.e(TAG, "Exception restoring preferred activities: " + e.getMessage()); 14887 } 14888 } 14889 } 14890 14891 @Override 14892 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 14893 int sourceUserId, int targetUserId, int flags) { 14894 mContext.enforceCallingOrSelfPermission( 14895 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 14896 int callingUid = Binder.getCallingUid(); 14897 enforceOwnerRights(ownerPackage, callingUid); 14898 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 14899 if (intentFilter.countActions() == 0) { 14900 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 14901 return; 14902 } 14903 synchronized (mPackages) { 14904 CrossProfileIntentFilter newFilter = new CrossProfileIntentFilter(intentFilter, 14905 ownerPackage, targetUserId, flags); 14906 CrossProfileIntentResolver resolver = 14907 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 14908 ArrayList<CrossProfileIntentFilter> existing = resolver.findFilters(intentFilter); 14909 // We have all those whose filter is equal. Now checking if the rest is equal as well. 14910 if (existing != null) { 14911 int size = existing.size(); 14912 for (int i = 0; i < size; i++) { 14913 if (newFilter.equalsIgnoreFilter(existing.get(i))) { 14914 return; 14915 } 14916 } 14917 } 14918 resolver.addFilter(newFilter); 14919 scheduleWritePackageRestrictionsLocked(sourceUserId); 14920 } 14921 } 14922 14923 @Override 14924 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage) { 14925 mContext.enforceCallingOrSelfPermission( 14926 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 14927 int callingUid = Binder.getCallingUid(); 14928 enforceOwnerRights(ownerPackage, callingUid); 14929 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 14930 synchronized (mPackages) { 14931 CrossProfileIntentResolver resolver = 14932 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 14933 ArraySet<CrossProfileIntentFilter> set = 14934 new ArraySet<CrossProfileIntentFilter>(resolver.filterSet()); 14935 for (CrossProfileIntentFilter filter : set) { 14936 if (filter.getOwnerPackage().equals(ownerPackage)) { 14937 resolver.removeFilter(filter); 14938 } 14939 } 14940 scheduleWritePackageRestrictionsLocked(sourceUserId); 14941 } 14942 } 14943 14944 // Enforcing that callingUid is owning pkg on userId 14945 private void enforceOwnerRights(String pkg, int callingUid) { 14946 // The system owns everything. 14947 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 14948 return; 14949 } 14950 int callingUserId = UserHandle.getUserId(callingUid); 14951 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 14952 if (pi == null) { 14953 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 14954 + callingUserId); 14955 } 14956 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 14957 throw new SecurityException("Calling uid " + callingUid 14958 + " does not own package " + pkg); 14959 } 14960 } 14961 14962 @Override 14963 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 14964 Intent intent = new Intent(Intent.ACTION_MAIN); 14965 intent.addCategory(Intent.CATEGORY_HOME); 14966 14967 final int callingUserId = UserHandle.getCallingUserId(); 14968 List<ResolveInfo> list = queryIntentActivities(intent, null, 14969 PackageManager.GET_META_DATA, callingUserId); 14970 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 14971 true, false, false, callingUserId); 14972 14973 allHomeCandidates.clear(); 14974 if (list != null) { 14975 for (ResolveInfo ri : list) { 14976 allHomeCandidates.add(ri); 14977 } 14978 } 14979 return (preferred == null || preferred.activityInfo == null) 14980 ? null 14981 : new ComponentName(preferred.activityInfo.packageName, 14982 preferred.activityInfo.name); 14983 } 14984 14985 @Override 14986 public void setApplicationEnabledSetting(String appPackageName, 14987 int newState, int flags, int userId, String callingPackage) { 14988 if (!sUserManager.exists(userId)) return; 14989 if (callingPackage == null) { 14990 callingPackage = Integer.toString(Binder.getCallingUid()); 14991 } 14992 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 14993 } 14994 14995 @Override 14996 public void setComponentEnabledSetting(ComponentName componentName, 14997 int newState, int flags, int userId) { 14998 if (!sUserManager.exists(userId)) return; 14999 setEnabledSetting(componentName.getPackageName(), 15000 componentName.getClassName(), newState, flags, userId, null); 15001 } 15002 15003 private void setEnabledSetting(final String packageName, String className, int newState, 15004 final int flags, int userId, String callingPackage) { 15005 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 15006 || newState == COMPONENT_ENABLED_STATE_ENABLED 15007 || newState == COMPONENT_ENABLED_STATE_DISABLED 15008 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 15009 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 15010 throw new IllegalArgumentException("Invalid new component state: " 15011 + newState); 15012 } 15013 PackageSetting pkgSetting; 15014 final int uid = Binder.getCallingUid(); 15015 final int permission = mContext.checkCallingOrSelfPermission( 15016 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 15017 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 15018 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 15019 boolean sendNow = false; 15020 boolean isApp = (className == null); 15021 String componentName = isApp ? packageName : className; 15022 int packageUid = -1; 15023 ArrayList<String> components; 15024 15025 // writer 15026 synchronized (mPackages) { 15027 pkgSetting = mSettings.mPackages.get(packageName); 15028 if (pkgSetting == null) { 15029 if (className == null) { 15030 throw new IllegalArgumentException("Unknown package: " + packageName); 15031 } 15032 throw new IllegalArgumentException( 15033 "Unknown component: " + packageName + "/" + className); 15034 } 15035 // Allow root and verify that userId is not being specified by a different user 15036 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 15037 throw new SecurityException( 15038 "Permission Denial: attempt to change component state from pid=" 15039 + Binder.getCallingPid() 15040 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 15041 } 15042 if (className == null) { 15043 // We're dealing with an application/package level state change 15044 if (pkgSetting.getEnabled(userId) == newState) { 15045 // Nothing to do 15046 return; 15047 } 15048 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 15049 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 15050 // Don't care about who enables an app. 15051 callingPackage = null; 15052 } 15053 pkgSetting.setEnabled(newState, userId, callingPackage); 15054 // pkgSetting.pkg.mSetEnabled = newState; 15055 } else { 15056 // We're dealing with a component level state change 15057 // First, verify that this is a valid class name. 15058 PackageParser.Package pkg = pkgSetting.pkg; 15059 if (pkg == null || !pkg.hasComponentClassName(className)) { 15060 if (pkg != null && 15061 pkg.applicationInfo.targetSdkVersion >= 15062 Build.VERSION_CODES.JELLY_BEAN) { 15063 throw new IllegalArgumentException("Component class " + className 15064 + " does not exist in " + packageName); 15065 } else { 15066 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 15067 + className + " does not exist in " + packageName); 15068 } 15069 } 15070 switch (newState) { 15071 case COMPONENT_ENABLED_STATE_ENABLED: 15072 if (!pkgSetting.enableComponentLPw(className, userId)) { 15073 return; 15074 } 15075 break; 15076 case COMPONENT_ENABLED_STATE_DISABLED: 15077 if (!pkgSetting.disableComponentLPw(className, userId)) { 15078 return; 15079 } 15080 break; 15081 case COMPONENT_ENABLED_STATE_DEFAULT: 15082 if (!pkgSetting.restoreComponentLPw(className, userId)) { 15083 return; 15084 } 15085 break; 15086 default: 15087 Slog.e(TAG, "Invalid new component state: " + newState); 15088 return; 15089 } 15090 } 15091 scheduleWritePackageRestrictionsLocked(userId); 15092 components = mPendingBroadcasts.get(userId, packageName); 15093 final boolean newPackage = components == null; 15094 if (newPackage) { 15095 components = new ArrayList<String>(); 15096 } 15097 if (!components.contains(componentName)) { 15098 components.add(componentName); 15099 } 15100 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 15101 sendNow = true; 15102 // Purge entry from pending broadcast list if another one exists already 15103 // since we are sending one right away. 15104 mPendingBroadcasts.remove(userId, packageName); 15105 } else { 15106 if (newPackage) { 15107 mPendingBroadcasts.put(userId, packageName, components); 15108 } 15109 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 15110 // Schedule a message 15111 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 15112 } 15113 } 15114 } 15115 15116 long callingId = Binder.clearCallingIdentity(); 15117 try { 15118 if (sendNow) { 15119 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 15120 sendPackageChangedBroadcast(packageName, 15121 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 15122 } 15123 } finally { 15124 Binder.restoreCallingIdentity(callingId); 15125 } 15126 } 15127 15128 private void sendPackageChangedBroadcast(String packageName, 15129 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 15130 if (DEBUG_INSTALL) 15131 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 15132 + componentNames); 15133 Bundle extras = new Bundle(4); 15134 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 15135 String nameList[] = new String[componentNames.size()]; 15136 componentNames.toArray(nameList); 15137 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 15138 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 15139 extras.putInt(Intent.EXTRA_UID, packageUid); 15140 // If this is not reporting a change of the overall package, then only send it 15141 // to registered receivers. We don't want to launch a swath of apps for every 15142 // little component state change. 15143 final int flags = !componentNames.contains(packageName) 15144 ? Intent.FLAG_RECEIVER_REGISTERED_ONLY : 0; 15145 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, flags, null, null, 15146 new int[] {UserHandle.getUserId(packageUid)}); 15147 } 15148 15149 @Override 15150 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 15151 if (!sUserManager.exists(userId)) return; 15152 final int uid = Binder.getCallingUid(); 15153 final int permission = mContext.checkCallingOrSelfPermission( 15154 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 15155 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 15156 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 15157 // writer 15158 synchronized (mPackages) { 15159 if (mSettings.setPackageStoppedStateLPw(this, packageName, stopped, 15160 allowedByPermission, uid, userId)) { 15161 scheduleWritePackageRestrictionsLocked(userId); 15162 } 15163 } 15164 } 15165 15166 @Override 15167 public String getInstallerPackageName(String packageName) { 15168 // reader 15169 synchronized (mPackages) { 15170 return mSettings.getInstallerPackageNameLPr(packageName); 15171 } 15172 } 15173 15174 @Override 15175 public int getApplicationEnabledSetting(String packageName, int userId) { 15176 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 15177 int uid = Binder.getCallingUid(); 15178 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 15179 // reader 15180 synchronized (mPackages) { 15181 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 15182 } 15183 } 15184 15185 @Override 15186 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 15187 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 15188 int uid = Binder.getCallingUid(); 15189 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 15190 // reader 15191 synchronized (mPackages) { 15192 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 15193 } 15194 } 15195 15196 @Override 15197 public void enterSafeMode() { 15198 enforceSystemOrRoot("Only the system can request entering safe mode"); 15199 15200 if (!mSystemReady) { 15201 mSafeMode = true; 15202 } 15203 } 15204 15205 @Override 15206 public void systemReady() { 15207 mSystemReady = true; 15208 15209 // Read the compatibilty setting when the system is ready. 15210 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 15211 mContext.getContentResolver(), 15212 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 15213 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 15214 if (DEBUG_SETTINGS) { 15215 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 15216 } 15217 15218 int[] grantPermissionsUserIds = EMPTY_INT_ARRAY; 15219 15220 synchronized (mPackages) { 15221 // Verify that all of the preferred activity components actually 15222 // exist. It is possible for applications to be updated and at 15223 // that point remove a previously declared activity component that 15224 // had been set as a preferred activity. We try to clean this up 15225 // the next time we encounter that preferred activity, but it is 15226 // possible for the user flow to never be able to return to that 15227 // situation so here we do a sanity check to make sure we haven't 15228 // left any junk around. 15229 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 15230 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 15231 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 15232 removed.clear(); 15233 for (PreferredActivity pa : pir.filterSet()) { 15234 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 15235 removed.add(pa); 15236 } 15237 } 15238 if (removed.size() > 0) { 15239 for (int r=0; r<removed.size(); r++) { 15240 PreferredActivity pa = removed.get(r); 15241 Slog.w(TAG, "Removing dangling preferred activity: " 15242 + pa.mPref.mComponent); 15243 pir.removeFilter(pa); 15244 } 15245 mSettings.writePackageRestrictionsLPr( 15246 mSettings.mPreferredActivities.keyAt(i)); 15247 } 15248 } 15249 15250 for (int userId : UserManagerService.getInstance().getUserIds()) { 15251 if (!mSettings.areDefaultRuntimePermissionsGrantedLPr(userId)) { 15252 grantPermissionsUserIds = ArrayUtils.appendInt( 15253 grantPermissionsUserIds, userId); 15254 } 15255 } 15256 } 15257 sUserManager.systemReady(); 15258 15259 // If we upgraded grant all default permissions before kicking off. 15260 for (int userId : grantPermissionsUserIds) { 15261 mDefaultPermissionPolicy.grantDefaultPermissions(userId); 15262 } 15263 15264 // Kick off any messages waiting for system ready 15265 if (mPostSystemReadyMessages != null) { 15266 for (Message msg : mPostSystemReadyMessages) { 15267 msg.sendToTarget(); 15268 } 15269 mPostSystemReadyMessages = null; 15270 } 15271 15272 // Watch for external volumes that come and go over time 15273 final StorageManager storage = mContext.getSystemService(StorageManager.class); 15274 storage.registerListener(mStorageListener); 15275 15276 mInstallerService.systemReady(); 15277 mPackageDexOptimizer.systemReady(); 15278 15279 MountServiceInternal mountServiceInternal = LocalServices.getService( 15280 MountServiceInternal.class); 15281 mountServiceInternal.addExternalStoragePolicy( 15282 new MountServiceInternal.ExternalStorageMountPolicy() { 15283 @Override 15284 public int getMountMode(int uid, String packageName) { 15285 if (Process.isIsolated(uid)) { 15286 return Zygote.MOUNT_EXTERNAL_NONE; 15287 } 15288 if (checkUidPermission(WRITE_MEDIA_STORAGE, uid) == PERMISSION_GRANTED) { 15289 return Zygote.MOUNT_EXTERNAL_DEFAULT; 15290 } 15291 if (checkUidPermission(READ_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 15292 return Zygote.MOUNT_EXTERNAL_DEFAULT; 15293 } 15294 if (checkUidPermission(WRITE_EXTERNAL_STORAGE, uid) == PERMISSION_DENIED) { 15295 return Zygote.MOUNT_EXTERNAL_READ; 15296 } 15297 return Zygote.MOUNT_EXTERNAL_WRITE; 15298 } 15299 15300 @Override 15301 public boolean hasExternalStorage(int uid, String packageName) { 15302 return true; 15303 } 15304 }); 15305 } 15306 15307 @Override 15308 public boolean isSafeMode() { 15309 return mSafeMode; 15310 } 15311 15312 @Override 15313 public boolean hasSystemUidErrors() { 15314 return mHasSystemUidErrors; 15315 } 15316 15317 static String arrayToString(int[] array) { 15318 StringBuffer buf = new StringBuffer(128); 15319 buf.append('['); 15320 if (array != null) { 15321 for (int i=0; i<array.length; i++) { 15322 if (i > 0) buf.append(", "); 15323 buf.append(array[i]); 15324 } 15325 } 15326 buf.append(']'); 15327 return buf.toString(); 15328 } 15329 15330 static class DumpState { 15331 public static final int DUMP_LIBS = 1 << 0; 15332 public static final int DUMP_FEATURES = 1 << 1; 15333 public static final int DUMP_ACTIVITY_RESOLVERS = 1 << 2; 15334 public static final int DUMP_SERVICE_RESOLVERS = 1 << 3; 15335 public static final int DUMP_RECEIVER_RESOLVERS = 1 << 4; 15336 public static final int DUMP_CONTENT_RESOLVERS = 1 << 5; 15337 public static final int DUMP_PERMISSIONS = 1 << 6; 15338 public static final int DUMP_PACKAGES = 1 << 7; 15339 public static final int DUMP_SHARED_USERS = 1 << 8; 15340 public static final int DUMP_MESSAGES = 1 << 9; 15341 public static final int DUMP_PROVIDERS = 1 << 10; 15342 public static final int DUMP_VERIFIERS = 1 << 11; 15343 public static final int DUMP_PREFERRED = 1 << 12; 15344 public static final int DUMP_PREFERRED_XML = 1 << 13; 15345 public static final int DUMP_KEYSETS = 1 << 14; 15346 public static final int DUMP_VERSION = 1 << 15; 15347 public static final int DUMP_INSTALLS = 1 << 16; 15348 public static final int DUMP_INTENT_FILTER_VERIFIERS = 1 << 17; 15349 public static final int DUMP_DOMAIN_PREFERRED = 1 << 18; 15350 15351 public static final int OPTION_SHOW_FILTERS = 1 << 0; 15352 15353 private int mTypes; 15354 15355 private int mOptions; 15356 15357 private boolean mTitlePrinted; 15358 15359 private SharedUserSetting mSharedUser; 15360 15361 public boolean isDumping(int type) { 15362 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 15363 return true; 15364 } 15365 15366 return (mTypes & type) != 0; 15367 } 15368 15369 public void setDump(int type) { 15370 mTypes |= type; 15371 } 15372 15373 public boolean isOptionEnabled(int option) { 15374 return (mOptions & option) != 0; 15375 } 15376 15377 public void setOptionEnabled(int option) { 15378 mOptions |= option; 15379 } 15380 15381 public boolean onTitlePrinted() { 15382 final boolean printed = mTitlePrinted; 15383 mTitlePrinted = true; 15384 return printed; 15385 } 15386 15387 public boolean getTitlePrinted() { 15388 return mTitlePrinted; 15389 } 15390 15391 public void setTitlePrinted(boolean enabled) { 15392 mTitlePrinted = enabled; 15393 } 15394 15395 public SharedUserSetting getSharedUser() { 15396 return mSharedUser; 15397 } 15398 15399 public void setSharedUser(SharedUserSetting user) { 15400 mSharedUser = user; 15401 } 15402 } 15403 15404 @Override 15405 public void onShellCommand(FileDescriptor in, FileDescriptor out, 15406 FileDescriptor err, String[] args, ResultReceiver resultReceiver) { 15407 (new PackageManagerShellCommand(this)).exec( 15408 this, in, out, err, args, resultReceiver); 15409 } 15410 15411 @Override 15412 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 15413 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 15414 != PackageManager.PERMISSION_GRANTED) { 15415 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 15416 + Binder.getCallingPid() 15417 + ", uid=" + Binder.getCallingUid() 15418 + " without permission " 15419 + android.Manifest.permission.DUMP); 15420 return; 15421 } 15422 15423 DumpState dumpState = new DumpState(); 15424 boolean fullPreferred = false; 15425 boolean checkin = false; 15426 15427 String packageName = null; 15428 ArraySet<String> permissionNames = null; 15429 15430 int opti = 0; 15431 while (opti < args.length) { 15432 String opt = args[opti]; 15433 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 15434 break; 15435 } 15436 opti++; 15437 15438 if ("-a".equals(opt)) { 15439 // Right now we only know how to print all. 15440 } else if ("-h".equals(opt)) { 15441 pw.println("Package manager dump options:"); 15442 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 15443 pw.println(" --checkin: dump for a checkin"); 15444 pw.println(" -f: print details of intent filters"); 15445 pw.println(" -h: print this help"); 15446 pw.println(" cmd may be one of:"); 15447 pw.println(" l[ibraries]: list known shared libraries"); 15448 pw.println(" f[eatures]: list device features"); 15449 pw.println(" k[eysets]: print known keysets"); 15450 pw.println(" r[esolvers] [activity|service|receiver|content]: dump intent resolvers"); 15451 pw.println(" perm[issions]: dump permissions"); 15452 pw.println(" permission [name ...]: dump declaration and use of given permission"); 15453 pw.println(" pref[erred]: print preferred package settings"); 15454 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 15455 pw.println(" prov[iders]: dump content providers"); 15456 pw.println(" p[ackages]: dump installed packages"); 15457 pw.println(" s[hared-users]: dump shared user IDs"); 15458 pw.println(" m[essages]: print collected runtime messages"); 15459 pw.println(" v[erifiers]: print package verifier info"); 15460 pw.println(" d[omain-preferred-apps]: print domains preferred apps"); 15461 pw.println(" i[ntent-filter-verifiers]|ifv: print intent filter verifier info"); 15462 pw.println(" version: print database version info"); 15463 pw.println(" write: write current settings now"); 15464 pw.println(" installs: details about install sessions"); 15465 pw.println(" check-permission <permission> <package> [<user>]: does pkg hold perm?"); 15466 pw.println(" <package.name>: info about given package"); 15467 return; 15468 } else if ("--checkin".equals(opt)) { 15469 checkin = true; 15470 } else if ("-f".equals(opt)) { 15471 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 15472 } else { 15473 pw.println("Unknown argument: " + opt + "; use -h for help"); 15474 } 15475 } 15476 15477 // Is the caller requesting to dump a particular piece of data? 15478 if (opti < args.length) { 15479 String cmd = args[opti]; 15480 opti++; 15481 // Is this a package name? 15482 if ("android".equals(cmd) || cmd.contains(".")) { 15483 packageName = cmd; 15484 // When dumping a single package, we always dump all of its 15485 // filter information since the amount of data will be reasonable. 15486 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 15487 } else if ("check-permission".equals(cmd)) { 15488 if (opti >= args.length) { 15489 pw.println("Error: check-permission missing permission argument"); 15490 return; 15491 } 15492 String perm = args[opti]; 15493 opti++; 15494 if (opti >= args.length) { 15495 pw.println("Error: check-permission missing package argument"); 15496 return; 15497 } 15498 String pkg = args[opti]; 15499 opti++; 15500 int user = UserHandle.getUserId(Binder.getCallingUid()); 15501 if (opti < args.length) { 15502 try { 15503 user = Integer.parseInt(args[opti]); 15504 } catch (NumberFormatException e) { 15505 pw.println("Error: check-permission user argument is not a number: " 15506 + args[opti]); 15507 return; 15508 } 15509 } 15510 pw.println(checkPermission(perm, pkg, user)); 15511 return; 15512 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 15513 dumpState.setDump(DumpState.DUMP_LIBS); 15514 } else if ("f".equals(cmd) || "features".equals(cmd)) { 15515 dumpState.setDump(DumpState.DUMP_FEATURES); 15516 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 15517 if (opti >= args.length) { 15518 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS 15519 | DumpState.DUMP_SERVICE_RESOLVERS 15520 | DumpState.DUMP_RECEIVER_RESOLVERS 15521 | DumpState.DUMP_CONTENT_RESOLVERS); 15522 } else { 15523 while (opti < args.length) { 15524 String name = args[opti]; 15525 if ("a".equals(name) || "activity".equals(name)) { 15526 dumpState.setDump(DumpState.DUMP_ACTIVITY_RESOLVERS); 15527 } else if ("s".equals(name) || "service".equals(name)) { 15528 dumpState.setDump(DumpState.DUMP_SERVICE_RESOLVERS); 15529 } else if ("r".equals(name) || "receiver".equals(name)) { 15530 dumpState.setDump(DumpState.DUMP_RECEIVER_RESOLVERS); 15531 } else if ("c".equals(name) || "content".equals(name)) { 15532 dumpState.setDump(DumpState.DUMP_CONTENT_RESOLVERS); 15533 } else { 15534 pw.println("Error: unknown resolver table type: " + name); 15535 return; 15536 } 15537 opti++; 15538 } 15539 } 15540 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 15541 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 15542 } else if ("permission".equals(cmd)) { 15543 if (opti >= args.length) { 15544 pw.println("Error: permission requires permission name"); 15545 return; 15546 } 15547 permissionNames = new ArraySet<>(); 15548 while (opti < args.length) { 15549 permissionNames.add(args[opti]); 15550 opti++; 15551 } 15552 dumpState.setDump(DumpState.DUMP_PERMISSIONS 15553 | DumpState.DUMP_PACKAGES | DumpState.DUMP_SHARED_USERS); 15554 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 15555 dumpState.setDump(DumpState.DUMP_PREFERRED); 15556 } else if ("preferred-xml".equals(cmd)) { 15557 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 15558 if (opti < args.length && "--full".equals(args[opti])) { 15559 fullPreferred = true; 15560 opti++; 15561 } 15562 } else if ("d".equals(cmd) || "domain-preferred-apps".equals(cmd)) { 15563 dumpState.setDump(DumpState.DUMP_DOMAIN_PREFERRED); 15564 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 15565 dumpState.setDump(DumpState.DUMP_PACKAGES); 15566 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 15567 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 15568 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 15569 dumpState.setDump(DumpState.DUMP_PROVIDERS); 15570 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 15571 dumpState.setDump(DumpState.DUMP_MESSAGES); 15572 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 15573 dumpState.setDump(DumpState.DUMP_VERIFIERS); 15574 } else if ("i".equals(cmd) || "ifv".equals(cmd) 15575 || "intent-filter-verifiers".equals(cmd)) { 15576 dumpState.setDump(DumpState.DUMP_INTENT_FILTER_VERIFIERS); 15577 } else if ("version".equals(cmd)) { 15578 dumpState.setDump(DumpState.DUMP_VERSION); 15579 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 15580 dumpState.setDump(DumpState.DUMP_KEYSETS); 15581 } else if ("installs".equals(cmd)) { 15582 dumpState.setDump(DumpState.DUMP_INSTALLS); 15583 } else if ("write".equals(cmd)) { 15584 synchronized (mPackages) { 15585 mSettings.writeLPr(); 15586 pw.println("Settings written."); 15587 return; 15588 } 15589 } 15590 } 15591 15592 if (checkin) { 15593 pw.println("vers,1"); 15594 } 15595 15596 // reader 15597 synchronized (mPackages) { 15598 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 15599 if (!checkin) { 15600 if (dumpState.onTitlePrinted()) 15601 pw.println(); 15602 pw.println("Database versions:"); 15603 mSettings.dumpVersionLPr(new IndentingPrintWriter(pw, " ")); 15604 } 15605 } 15606 15607 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 15608 if (!checkin) { 15609 if (dumpState.onTitlePrinted()) 15610 pw.println(); 15611 pw.println("Verifiers:"); 15612 pw.print(" Required: "); 15613 pw.print(mRequiredVerifierPackage); 15614 pw.print(" (uid="); 15615 pw.print(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 15616 UserHandle.USER_SYSTEM)); 15617 pw.println(")"); 15618 } else if (mRequiredVerifierPackage != null) { 15619 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 15620 pw.print(","); 15621 pw.println(getPackageUid(mRequiredVerifierPackage, MATCH_DEBUG_TRIAGED_MISSING, 15622 UserHandle.USER_SYSTEM)); 15623 } 15624 } 15625 15626 if (dumpState.isDumping(DumpState.DUMP_INTENT_FILTER_VERIFIERS) && 15627 packageName == null) { 15628 if (mIntentFilterVerifierComponent != null) { 15629 String verifierPackageName = mIntentFilterVerifierComponent.getPackageName(); 15630 if (!checkin) { 15631 if (dumpState.onTitlePrinted()) 15632 pw.println(); 15633 pw.println("Intent Filter Verifier:"); 15634 pw.print(" Using: "); 15635 pw.print(verifierPackageName); 15636 pw.print(" (uid="); 15637 pw.print(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 15638 UserHandle.USER_SYSTEM)); 15639 pw.println(")"); 15640 } else if (verifierPackageName != null) { 15641 pw.print("ifv,"); pw.print(verifierPackageName); 15642 pw.print(","); 15643 pw.println(getPackageUid(verifierPackageName, MATCH_DEBUG_TRIAGED_MISSING, 15644 UserHandle.USER_SYSTEM)); 15645 } 15646 } else { 15647 pw.println(); 15648 pw.println("No Intent Filter Verifier available!"); 15649 } 15650 } 15651 15652 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 15653 boolean printedHeader = false; 15654 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 15655 while (it.hasNext()) { 15656 String name = it.next(); 15657 SharedLibraryEntry ent = mSharedLibraries.get(name); 15658 if (!checkin) { 15659 if (!printedHeader) { 15660 if (dumpState.onTitlePrinted()) 15661 pw.println(); 15662 pw.println("Libraries:"); 15663 printedHeader = true; 15664 } 15665 pw.print(" "); 15666 } else { 15667 pw.print("lib,"); 15668 } 15669 pw.print(name); 15670 if (!checkin) { 15671 pw.print(" -> "); 15672 } 15673 if (ent.path != null) { 15674 if (!checkin) { 15675 pw.print("(jar) "); 15676 pw.print(ent.path); 15677 } else { 15678 pw.print(",jar,"); 15679 pw.print(ent.path); 15680 } 15681 } else { 15682 if (!checkin) { 15683 pw.print("(apk) "); 15684 pw.print(ent.apk); 15685 } else { 15686 pw.print(",apk,"); 15687 pw.print(ent.apk); 15688 } 15689 } 15690 pw.println(); 15691 } 15692 } 15693 15694 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 15695 if (dumpState.onTitlePrinted()) 15696 pw.println(); 15697 if (!checkin) { 15698 pw.println("Features:"); 15699 } 15700 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 15701 while (it.hasNext()) { 15702 String name = it.next(); 15703 if (!checkin) { 15704 pw.print(" "); 15705 } else { 15706 pw.print("feat,"); 15707 } 15708 pw.println(name); 15709 } 15710 } 15711 15712 if (!checkin && dumpState.isDumping(DumpState.DUMP_ACTIVITY_RESOLVERS)) { 15713 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 15714 : "Activity Resolver Table:", " ", packageName, 15715 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15716 dumpState.setTitlePrinted(true); 15717 } 15718 } 15719 if (!checkin && dumpState.isDumping(DumpState.DUMP_RECEIVER_RESOLVERS)) { 15720 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 15721 : "Receiver Resolver Table:", " ", packageName, 15722 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15723 dumpState.setTitlePrinted(true); 15724 } 15725 } 15726 if (!checkin && dumpState.isDumping(DumpState.DUMP_SERVICE_RESOLVERS)) { 15727 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 15728 : "Service Resolver Table:", " ", packageName, 15729 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15730 dumpState.setTitlePrinted(true); 15731 } 15732 } 15733 if (!checkin && dumpState.isDumping(DumpState.DUMP_CONTENT_RESOLVERS)) { 15734 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 15735 : "Provider Resolver Table:", " ", packageName, 15736 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS), true)) { 15737 dumpState.setTitlePrinted(true); 15738 } 15739 } 15740 15741 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 15742 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 15743 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 15744 int user = mSettings.mPreferredActivities.keyAt(i); 15745 if (pir.dump(pw, 15746 dumpState.getTitlePrinted() 15747 ? "\nPreferred Activities User " + user + ":" 15748 : "Preferred Activities User " + user + ":", " ", 15749 packageName, true, false)) { 15750 dumpState.setTitlePrinted(true); 15751 } 15752 } 15753 } 15754 15755 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 15756 pw.flush(); 15757 FileOutputStream fout = new FileOutputStream(fd); 15758 BufferedOutputStream str = new BufferedOutputStream(fout); 15759 XmlSerializer serializer = new FastXmlSerializer(); 15760 try { 15761 serializer.setOutput(str, StandardCharsets.UTF_8.name()); 15762 serializer.startDocument(null, true); 15763 serializer.setFeature( 15764 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 15765 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 15766 serializer.endDocument(); 15767 serializer.flush(); 15768 } catch (IllegalArgumentException e) { 15769 pw.println("Failed writing: " + e); 15770 } catch (IllegalStateException e) { 15771 pw.println("Failed writing: " + e); 15772 } catch (IOException e) { 15773 pw.println("Failed writing: " + e); 15774 } 15775 } 15776 15777 if (!checkin 15778 && dumpState.isDumping(DumpState.DUMP_DOMAIN_PREFERRED) 15779 && packageName == null) { 15780 pw.println(); 15781 int count = mSettings.mPackages.size(); 15782 if (count == 0) { 15783 pw.println("No applications!"); 15784 pw.println(); 15785 } else { 15786 final String prefix = " "; 15787 Collection<PackageSetting> allPackageSettings = mSettings.mPackages.values(); 15788 if (allPackageSettings.size() == 0) { 15789 pw.println("No domain preferred apps!"); 15790 pw.println(); 15791 } else { 15792 pw.println("App verification status:"); 15793 pw.println(); 15794 count = 0; 15795 for (PackageSetting ps : allPackageSettings) { 15796 IntentFilterVerificationInfo ivi = ps.getIntentFilterVerificationInfo(); 15797 if (ivi == null || ivi.getPackageName() == null) continue; 15798 pw.println(prefix + "Package: " + ivi.getPackageName()); 15799 pw.println(prefix + "Domains: " + ivi.getDomainsString()); 15800 pw.println(prefix + "Status: " + ivi.getStatusString()); 15801 pw.println(); 15802 count++; 15803 } 15804 if (count == 0) { 15805 pw.println(prefix + "No app verification established."); 15806 pw.println(); 15807 } 15808 for (int userId : sUserManager.getUserIds()) { 15809 pw.println("App linkages for user " + userId + ":"); 15810 pw.println(); 15811 count = 0; 15812 for (PackageSetting ps : allPackageSettings) { 15813 final long status = ps.getDomainVerificationStatusForUser(userId); 15814 if (status >> 32 == INTENT_FILTER_DOMAIN_VERIFICATION_STATUS_UNDEFINED) { 15815 continue; 15816 } 15817 pw.println(prefix + "Package: " + ps.name); 15818 pw.println(prefix + "Domains: " + dumpDomainString(ps.name)); 15819 String statusStr = IntentFilterVerificationInfo. 15820 getStatusStringFromValue(status); 15821 pw.println(prefix + "Status: " + statusStr); 15822 pw.println(); 15823 count++; 15824 } 15825 if (count == 0) { 15826 pw.println(prefix + "No configured app linkages."); 15827 pw.println(); 15828 } 15829 } 15830 } 15831 } 15832 } 15833 15834 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 15835 mSettings.dumpPermissionsLPr(pw, packageName, permissionNames, dumpState); 15836 if (packageName == null && permissionNames == null) { 15837 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 15838 if (iperm == 0) { 15839 if (dumpState.onTitlePrinted()) 15840 pw.println(); 15841 pw.println("AppOp Permissions:"); 15842 } 15843 pw.print(" AppOp Permission "); 15844 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 15845 pw.println(":"); 15846 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 15847 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 15848 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 15849 } 15850 } 15851 } 15852 } 15853 15854 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 15855 boolean printedSomething = false; 15856 for (PackageParser.Provider p : mProviders.mProviders.values()) { 15857 if (packageName != null && !packageName.equals(p.info.packageName)) { 15858 continue; 15859 } 15860 if (!printedSomething) { 15861 if (dumpState.onTitlePrinted()) 15862 pw.println(); 15863 pw.println("Registered ContentProviders:"); 15864 printedSomething = true; 15865 } 15866 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 15867 pw.print(" "); pw.println(p.toString()); 15868 } 15869 printedSomething = false; 15870 for (Map.Entry<String, PackageParser.Provider> entry : 15871 mProvidersByAuthority.entrySet()) { 15872 PackageParser.Provider p = entry.getValue(); 15873 if (packageName != null && !packageName.equals(p.info.packageName)) { 15874 continue; 15875 } 15876 if (!printedSomething) { 15877 if (dumpState.onTitlePrinted()) 15878 pw.println(); 15879 pw.println("ContentProvider Authorities:"); 15880 printedSomething = true; 15881 } 15882 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 15883 pw.print(" "); pw.println(p.toString()); 15884 if (p.info != null && p.info.applicationInfo != null) { 15885 final String appInfo = p.info.applicationInfo.toString(); 15886 pw.print(" applicationInfo="); pw.println(appInfo); 15887 } 15888 } 15889 } 15890 15891 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 15892 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 15893 } 15894 15895 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 15896 mSettings.dumpPackagesLPr(pw, packageName, permissionNames, dumpState, checkin); 15897 } 15898 15899 if (dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 15900 mSettings.dumpSharedUsersLPr(pw, packageName, permissionNames, dumpState, checkin); 15901 } 15902 15903 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 15904 // XXX should handle packageName != null by dumping only install data that 15905 // the given package is involved with. 15906 if (dumpState.onTitlePrinted()) pw.println(); 15907 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 15908 } 15909 15910 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 15911 if (dumpState.onTitlePrinted()) pw.println(); 15912 mSettings.dumpReadMessagesLPr(pw, dumpState); 15913 15914 pw.println(); 15915 pw.println("Package warning messages:"); 15916 BufferedReader in = null; 15917 String line = null; 15918 try { 15919 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 15920 while ((line = in.readLine()) != null) { 15921 if (line.contains("ignored: updated version")) continue; 15922 pw.println(line); 15923 } 15924 } catch (IOException ignored) { 15925 } finally { 15926 IoUtils.closeQuietly(in); 15927 } 15928 } 15929 15930 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 15931 BufferedReader in = null; 15932 String line = null; 15933 try { 15934 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 15935 while ((line = in.readLine()) != null) { 15936 if (line.contains("ignored: updated version")) continue; 15937 pw.print("msg,"); 15938 pw.println(line); 15939 } 15940 } catch (IOException ignored) { 15941 } finally { 15942 IoUtils.closeQuietly(in); 15943 } 15944 } 15945 } 15946 } 15947 15948 private String dumpDomainString(String packageName) { 15949 List<IntentFilterVerificationInfo> iviList = getIntentFilterVerifications(packageName); 15950 List<IntentFilter> filters = getAllIntentFilters(packageName); 15951 15952 ArraySet<String> result = new ArraySet<>(); 15953 if (iviList.size() > 0) { 15954 for (IntentFilterVerificationInfo ivi : iviList) { 15955 for (String host : ivi.getDomains()) { 15956 result.add(host); 15957 } 15958 } 15959 } 15960 if (filters != null && filters.size() > 0) { 15961 for (IntentFilter filter : filters) { 15962 if (filter.hasCategory(Intent.CATEGORY_BROWSABLE) 15963 && (filter.hasDataScheme(IntentFilter.SCHEME_HTTP) || 15964 filter.hasDataScheme(IntentFilter.SCHEME_HTTPS))) { 15965 result.addAll(filter.getHostsList()); 15966 } 15967 } 15968 } 15969 15970 StringBuilder sb = new StringBuilder(result.size() * 16); 15971 for (String domain : result) { 15972 if (sb.length() > 0) sb.append(" "); 15973 sb.append(domain); 15974 } 15975 return sb.toString(); 15976 } 15977 15978 // ------- apps on sdcard specific code ------- 15979 static final boolean DEBUG_SD_INSTALL = false; 15980 15981 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 15982 15983 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 15984 15985 private boolean mMediaMounted = false; 15986 15987 static String getEncryptKey() { 15988 try { 15989 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 15990 SD_ENCRYPTION_KEYSTORE_NAME); 15991 if (sdEncKey == null) { 15992 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 15993 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 15994 if (sdEncKey == null) { 15995 Slog.e(TAG, "Failed to create encryption keys"); 15996 return null; 15997 } 15998 } 15999 return sdEncKey; 16000 } catch (NoSuchAlgorithmException nsae) { 16001 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 16002 return null; 16003 } catch (IOException ioe) { 16004 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 16005 return null; 16006 } 16007 } 16008 16009 /* 16010 * Update media status on PackageManager. 16011 */ 16012 @Override 16013 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 16014 int callingUid = Binder.getCallingUid(); 16015 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 16016 throw new SecurityException("Media status can only be updated by the system"); 16017 } 16018 // reader; this apparently protects mMediaMounted, but should probably 16019 // be a different lock in that case. 16020 synchronized (mPackages) { 16021 Log.i(TAG, "Updating external media status from " 16022 + (mMediaMounted ? "mounted" : "unmounted") + " to " 16023 + (mediaStatus ? "mounted" : "unmounted")); 16024 if (DEBUG_SD_INSTALL) 16025 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 16026 + ", mMediaMounted=" + mMediaMounted); 16027 if (mediaStatus == mMediaMounted) { 16028 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 16029 : 0, -1); 16030 mHandler.sendMessage(msg); 16031 return; 16032 } 16033 mMediaMounted = mediaStatus; 16034 } 16035 // Queue up an async operation since the package installation may take a 16036 // little while. 16037 mHandler.post(new Runnable() { 16038 public void run() { 16039 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 16040 } 16041 }); 16042 } 16043 16044 /** 16045 * Called by MountService when the initial ASECs to scan are available. 16046 * Should block until all the ASEC containers are finished being scanned. 16047 */ 16048 public void scanAvailableAsecs() { 16049 updateExternalMediaStatusInner(true, false, false); 16050 } 16051 16052 /* 16053 * Collect information of applications on external media, map them against 16054 * existing containers and update information based on current mount status. 16055 * Please note that we always have to report status if reportStatus has been 16056 * set to true especially when unloading packages. 16057 */ 16058 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 16059 boolean externalStorage) { 16060 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 16061 int[] uidArr = EmptyArray.INT; 16062 16063 final String[] list = PackageHelper.getSecureContainerList(); 16064 if (ArrayUtils.isEmpty(list)) { 16065 Log.i(TAG, "No secure containers found"); 16066 } else { 16067 // Process list of secure containers and categorize them 16068 // as active or stale based on their package internal state. 16069 16070 // reader 16071 synchronized (mPackages) { 16072 for (String cid : list) { 16073 // Leave stages untouched for now; installer service owns them 16074 if (PackageInstallerService.isStageName(cid)) continue; 16075 16076 if (DEBUG_SD_INSTALL) 16077 Log.i(TAG, "Processing container " + cid); 16078 String pkgName = getAsecPackageName(cid); 16079 if (pkgName == null) { 16080 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 16081 continue; 16082 } 16083 if (DEBUG_SD_INSTALL) 16084 Log.i(TAG, "Looking for pkg : " + pkgName); 16085 16086 final PackageSetting ps = mSettings.mPackages.get(pkgName); 16087 if (ps == null) { 16088 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 16089 continue; 16090 } 16091 16092 /* 16093 * Skip packages that are not external if we're unmounting 16094 * external storage. 16095 */ 16096 if (externalStorage && !isMounted && !isExternal(ps)) { 16097 continue; 16098 } 16099 16100 final AsecInstallArgs args = new AsecInstallArgs(cid, 16101 getAppDexInstructionSets(ps), ps.isForwardLocked()); 16102 // The package status is changed only if the code path 16103 // matches between settings and the container id. 16104 if (ps.codePathString != null 16105 && ps.codePathString.startsWith(args.getCodePath())) { 16106 if (DEBUG_SD_INSTALL) { 16107 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 16108 + " at code path: " + ps.codePathString); 16109 } 16110 16111 // We do have a valid package installed on sdcard 16112 processCids.put(args, ps.codePathString); 16113 final int uid = ps.appId; 16114 if (uid != -1) { 16115 uidArr = ArrayUtils.appendInt(uidArr, uid); 16116 } 16117 } else { 16118 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 16119 + ps.codePathString); 16120 } 16121 } 16122 } 16123 16124 Arrays.sort(uidArr); 16125 } 16126 16127 // Process packages with valid entries. 16128 if (isMounted) { 16129 if (DEBUG_SD_INSTALL) 16130 Log.i(TAG, "Loading packages"); 16131 loadMediaPackages(processCids, uidArr, externalStorage); 16132 startCleaningPackages(); 16133 mInstallerService.onSecureContainersAvailable(); 16134 } else { 16135 if (DEBUG_SD_INSTALL) 16136 Log.i(TAG, "Unloading packages"); 16137 unloadMediaPackages(processCids, uidArr, reportStatus); 16138 } 16139 } 16140 16141 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 16142 ArrayList<ApplicationInfo> infos, IIntentReceiver finishedReceiver) { 16143 final int size = infos.size(); 16144 final String[] packageNames = new String[size]; 16145 final int[] packageUids = new int[size]; 16146 for (int i = 0; i < size; i++) { 16147 final ApplicationInfo info = infos.get(i); 16148 packageNames[i] = info.packageName; 16149 packageUids[i] = info.uid; 16150 } 16151 sendResourcesChangedBroadcast(mediaStatus, replacing, packageNames, packageUids, 16152 finishedReceiver); 16153 } 16154 16155 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 16156 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 16157 sendResourcesChangedBroadcast(mediaStatus, replacing, 16158 pkgList.toArray(new String[pkgList.size()]), uidArr, finishedReceiver); 16159 } 16160 16161 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 16162 String[] pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 16163 int size = pkgList.length; 16164 if (size > 0) { 16165 // Send broadcasts here 16166 Bundle extras = new Bundle(); 16167 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList); 16168 if (uidArr != null) { 16169 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 16170 } 16171 if (replacing) { 16172 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 16173 } 16174 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 16175 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 16176 sendPackageBroadcast(action, null, extras, 0, null, finishedReceiver, null); 16177 } 16178 } 16179 16180 /* 16181 * Look at potentially valid container ids from processCids If package 16182 * information doesn't match the one on record or package scanning fails, 16183 * the cid is added to list of removeCids. We currently don't delete stale 16184 * containers. 16185 */ 16186 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr, 16187 boolean externalStorage) { 16188 ArrayList<String> pkgList = new ArrayList<String>(); 16189 Set<AsecInstallArgs> keys = processCids.keySet(); 16190 16191 for (AsecInstallArgs args : keys) { 16192 String codePath = processCids.get(args); 16193 if (DEBUG_SD_INSTALL) 16194 Log.i(TAG, "Loading container : " + args.cid); 16195 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 16196 try { 16197 // Make sure there are no container errors first. 16198 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 16199 Slog.e(TAG, "Failed to mount cid : " + args.cid 16200 + " when installing from sdcard"); 16201 continue; 16202 } 16203 // Check code path here. 16204 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 16205 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 16206 + " does not match one in settings " + codePath); 16207 continue; 16208 } 16209 // Parse package 16210 int parseFlags = mDefParseFlags; 16211 if (args.isExternalAsec()) { 16212 parseFlags |= PackageParser.PARSE_EXTERNAL_STORAGE; 16213 } 16214 if (args.isFwdLocked()) { 16215 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 16216 } 16217 16218 synchronized (mInstallLock) { 16219 PackageParser.Package pkg = null; 16220 try { 16221 pkg = scanPackageTracedLI(new File(codePath), parseFlags, 0, 0, null); 16222 } catch (PackageManagerException e) { 16223 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 16224 } 16225 // Scan the package 16226 if (pkg != null) { 16227 /* 16228 * TODO why is the lock being held? doPostInstall is 16229 * called in other places without the lock. This needs 16230 * to be straightened out. 16231 */ 16232 // writer 16233 synchronized (mPackages) { 16234 retCode = PackageManager.INSTALL_SUCCEEDED; 16235 pkgList.add(pkg.packageName); 16236 // Post process args 16237 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 16238 pkg.applicationInfo.uid); 16239 } 16240 } else { 16241 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 16242 } 16243 } 16244 16245 } finally { 16246 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 16247 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 16248 } 16249 } 16250 } 16251 // writer 16252 synchronized (mPackages) { 16253 // If the platform SDK has changed since the last time we booted, 16254 // we need to re-grant app permission to catch any new ones that 16255 // appear. This is really a hack, and means that apps can in some 16256 // cases get permissions that the user didn't initially explicitly 16257 // allow... it would be nice to have some better way to handle 16258 // this situation. 16259 final VersionInfo ver = externalStorage ? mSettings.getExternalVersion() 16260 : mSettings.getInternalVersion(); 16261 final String volumeUuid = externalStorage ? StorageManager.UUID_PRIMARY_PHYSICAL 16262 : StorageManager.UUID_PRIVATE_INTERNAL; 16263 16264 int updateFlags = UPDATE_PERMISSIONS_ALL; 16265 if (ver.sdkVersion != mSdkVersion) { 16266 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 16267 + mSdkVersion + "; regranting permissions for external"); 16268 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 16269 } 16270 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 16271 16272 // Yay, everything is now upgraded 16273 ver.forceCurrent(); 16274 16275 // can downgrade to reader 16276 // Persist settings 16277 mSettings.writeLPr(); 16278 } 16279 // Send a broadcast to let everyone know we are done processing 16280 if (pkgList.size() > 0) { 16281 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 16282 } 16283 } 16284 16285 /* 16286 * Utility method to unload a list of specified containers 16287 */ 16288 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 16289 // Just unmount all valid containers. 16290 for (AsecInstallArgs arg : cidArgs) { 16291 synchronized (mInstallLock) { 16292 arg.doPostDeleteLI(false); 16293 } 16294 } 16295 } 16296 16297 /* 16298 * Unload packages mounted on external media. This involves deleting package 16299 * data from internal structures, sending broadcasts about diabled packages, 16300 * gc'ing to free up references, unmounting all secure containers 16301 * corresponding to packages on external media, and posting a 16302 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 16303 * that we always have to post this message if status has been requested no 16304 * matter what. 16305 */ 16306 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 16307 final boolean reportStatus) { 16308 if (DEBUG_SD_INSTALL) 16309 Log.i(TAG, "unloading media packages"); 16310 ArrayList<String> pkgList = new ArrayList<String>(); 16311 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 16312 final Set<AsecInstallArgs> keys = processCids.keySet(); 16313 for (AsecInstallArgs args : keys) { 16314 String pkgName = args.getPackageName(); 16315 if (DEBUG_SD_INSTALL) 16316 Log.i(TAG, "Trying to unload pkg : " + pkgName); 16317 // Delete package internally 16318 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 16319 synchronized (mInstallLock) { 16320 boolean res = deletePackageLI(pkgName, null, false, null, null, 16321 PackageManager.DELETE_KEEP_DATA, outInfo, false); 16322 if (res) { 16323 pkgList.add(pkgName); 16324 } else { 16325 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 16326 failedList.add(args); 16327 } 16328 } 16329 } 16330 16331 // reader 16332 synchronized (mPackages) { 16333 // We didn't update the settings after removing each package; 16334 // write them now for all packages. 16335 mSettings.writeLPr(); 16336 } 16337 16338 // We have to absolutely send UPDATED_MEDIA_STATUS only 16339 // after confirming that all the receivers processed the ordered 16340 // broadcast when packages get disabled, force a gc to clean things up. 16341 // and unload all the containers. 16342 if (pkgList.size() > 0) { 16343 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 16344 new IIntentReceiver.Stub() { 16345 public void performReceive(Intent intent, int resultCode, String data, 16346 Bundle extras, boolean ordered, boolean sticky, 16347 int sendingUser) throws RemoteException { 16348 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 16349 reportStatus ? 1 : 0, 1, keys); 16350 mHandler.sendMessage(msg); 16351 } 16352 }); 16353 } else { 16354 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 16355 keys); 16356 mHandler.sendMessage(msg); 16357 } 16358 } 16359 16360 private void loadPrivatePackages(final VolumeInfo vol) { 16361 mHandler.post(new Runnable() { 16362 @Override 16363 public void run() { 16364 loadPrivatePackagesInner(vol); 16365 } 16366 }); 16367 } 16368 16369 private void loadPrivatePackagesInner(VolumeInfo vol) { 16370 final String volumeUuid = vol.fsUuid; 16371 if (TextUtils.isEmpty(volumeUuid)) { 16372 Slog.e(TAG, "Loading internal storage is probably a mistake; ignoring"); 16373 return; 16374 } 16375 16376 final ArrayList<ApplicationInfo> loaded = new ArrayList<>(); 16377 final int parseFlags = mDefParseFlags | PackageParser.PARSE_EXTERNAL_STORAGE; 16378 16379 final VersionInfo ver; 16380 final List<PackageSetting> packages; 16381 synchronized (mPackages) { 16382 ver = mSettings.findOrCreateVersion(volumeUuid); 16383 packages = mSettings.getVolumePackagesLPr(volumeUuid); 16384 } 16385 16386 // TODO: introduce a new concept similar to "frozen" to prevent these 16387 // apps from being launched until after data has been fully reconciled 16388 for (PackageSetting ps : packages) { 16389 synchronized (mInstallLock) { 16390 final PackageParser.Package pkg; 16391 try { 16392 pkg = scanPackageTracedLI(ps.codePath, parseFlags, SCAN_INITIAL, 0, null); 16393 loaded.add(pkg.applicationInfo); 16394 16395 } catch (PackageManagerException e) { 16396 Slog.w(TAG, "Failed to scan " + ps.codePath + ": " + e.getMessage()); 16397 } 16398 16399 if (!Build.FINGERPRINT.equals(ver.fingerprint)) { 16400 deleteCodeCacheDirsLI(ps.volumeUuid, ps.name); 16401 } 16402 } 16403 } 16404 16405 // Reconcile app data for all started/unlocked users 16406 final UserManager um = mContext.getSystemService(UserManager.class); 16407 for (UserInfo user : um.getUsers()) { 16408 if (um.isUserUnlocked(user.id)) { 16409 reconcileAppsData(volumeUuid, user.id, 16410 Installer.FLAG_DE_STORAGE | Installer.FLAG_CE_STORAGE); 16411 } else if (um.isUserRunning(user.id)) { 16412 reconcileAppsData(volumeUuid, user.id, Installer.FLAG_DE_STORAGE); 16413 } else { 16414 continue; 16415 } 16416 } 16417 16418 synchronized (mPackages) { 16419 int updateFlags = UPDATE_PERMISSIONS_ALL; 16420 if (ver.sdkVersion != mSdkVersion) { 16421 logCriticalInfo(Log.INFO, "Platform changed from " + ver.sdkVersion + " to " 16422 + mSdkVersion + "; regranting permissions for " + volumeUuid); 16423 updateFlags |= UPDATE_PERMISSIONS_REPLACE_PKG | UPDATE_PERMISSIONS_REPLACE_ALL; 16424 } 16425 updatePermissionsLPw(null, null, volumeUuid, updateFlags); 16426 16427 // Yay, everything is now upgraded 16428 ver.forceCurrent(); 16429 16430 mSettings.writeLPr(); 16431 } 16432 16433 if (DEBUG_INSTALL) Slog.d(TAG, "Loaded packages " + loaded); 16434 sendResourcesChangedBroadcast(true, false, loaded, null); 16435 } 16436 16437 private void unloadPrivatePackages(final VolumeInfo vol) { 16438 mHandler.post(new Runnable() { 16439 @Override 16440 public void run() { 16441 unloadPrivatePackagesInner(vol); 16442 } 16443 }); 16444 } 16445 16446 private void unloadPrivatePackagesInner(VolumeInfo vol) { 16447 final String volumeUuid = vol.fsUuid; 16448 if (TextUtils.isEmpty(volumeUuid)) { 16449 Slog.e(TAG, "Unloading internal storage is probably a mistake; ignoring"); 16450 return; 16451 } 16452 16453 final ArrayList<ApplicationInfo> unloaded = new ArrayList<>(); 16454 synchronized (mInstallLock) { 16455 synchronized (mPackages) { 16456 final List<PackageSetting> packages = mSettings.getVolumePackagesLPr(volumeUuid); 16457 for (PackageSetting ps : packages) { 16458 if (ps.pkg == null) continue; 16459 16460 final ApplicationInfo info = ps.pkg.applicationInfo; 16461 final PackageRemovedInfo outInfo = new PackageRemovedInfo(); 16462 if (deletePackageLI(ps.name, null, false, null, null, 16463 PackageManager.DELETE_KEEP_DATA, outInfo, false)) { 16464 unloaded.add(info); 16465 } else { 16466 Slog.w(TAG, "Failed to unload " + ps.codePath); 16467 } 16468 } 16469 16470 mSettings.writeLPr(); 16471 } 16472 } 16473 16474 if (DEBUG_INSTALL) Slog.d(TAG, "Unloaded packages " + unloaded); 16475 sendResourcesChangedBroadcast(false, false, unloaded, null); 16476 } 16477 16478 /** 16479 * Examine all users present on given mounted volume, and destroy data 16480 * belonging to users that are no longer valid, or whose user ID has been 16481 * recycled. 16482 */ 16483 private void reconcileUsers(String volumeUuid) { 16484 final File[] files = FileUtils 16485 .listFilesOrEmpty(Environment.getDataUserDirectory(volumeUuid)); 16486 for (File file : files) { 16487 if (!file.isDirectory()) continue; 16488 16489 final int userId; 16490 final UserInfo info; 16491 try { 16492 userId = Integer.parseInt(file.getName()); 16493 info = sUserManager.getUserInfo(userId); 16494 } catch (NumberFormatException e) { 16495 Slog.w(TAG, "Invalid user directory " + file); 16496 continue; 16497 } 16498 16499 boolean destroyUser = false; 16500 if (info == null) { 16501 logCriticalInfo(Log.WARN, "Destroying user directory " + file 16502 + " because no matching user was found"); 16503 destroyUser = true; 16504 } else { 16505 try { 16506 UserManagerService.enforceSerialNumber(file, info.serialNumber); 16507 } catch (IOException e) { 16508 logCriticalInfo(Log.WARN, "Destroying user directory " + file 16509 + " because we failed to enforce serial number: " + e); 16510 destroyUser = true; 16511 } 16512 } 16513 16514 if (destroyUser) { 16515 synchronized (mInstallLock) { 16516 try { 16517 mInstaller.removeUserDataDirs(volumeUuid, userId); 16518 } catch (InstallerException e) { 16519 Slog.w(TAG, "Failed to clean up user dirs", e); 16520 } 16521 } 16522 } 16523 } 16524 16525 final StorageManager sm = mContext.getSystemService(StorageManager.class); 16526 final UserManager um = mContext.getSystemService(UserManager.class); 16527 for (UserInfo user : um.getUsers()) { 16528 final File userDir = Environment.getDataUserDirectory(volumeUuid, user.id); 16529 if (userDir.exists()) continue; 16530 16531 try { 16532 sm.prepareUserStorage(volumeUuid, user.id, user.serialNumber, user.isEphemeral()); 16533 UserManagerService.enforceSerialNumber(userDir, user.serialNumber); 16534 } catch (IOException e) { 16535 Log.wtf(TAG, "Failed to create user directory on " + volumeUuid, e); 16536 } 16537 } 16538 } 16539 16540 private void assertPackageKnown(String volumeUuid, String packageName) 16541 throws PackageManagerException { 16542 synchronized (mPackages) { 16543 final PackageSetting ps = mSettings.mPackages.get(packageName); 16544 if (ps == null) { 16545 throw new PackageManagerException("Package " + packageName + " is unknown"); 16546 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 16547 throw new PackageManagerException( 16548 "Package " + packageName + " found on unknown volume " + volumeUuid 16549 + "; expected volume " + ps.volumeUuid); 16550 } 16551 } 16552 } 16553 16554 private void assertPackageKnownAndInstalled(String volumeUuid, String packageName, int userId) 16555 throws PackageManagerException { 16556 synchronized (mPackages) { 16557 final PackageSetting ps = mSettings.mPackages.get(packageName); 16558 if (ps == null) { 16559 throw new PackageManagerException("Package " + packageName + " is unknown"); 16560 } else if (!TextUtils.equals(volumeUuid, ps.volumeUuid)) { 16561 throw new PackageManagerException( 16562 "Package " + packageName + " found on unknown volume " + volumeUuid 16563 + "; expected volume " + ps.volumeUuid); 16564 } else if (!ps.getInstalled(userId)) { 16565 throw new PackageManagerException( 16566 "Package " + packageName + " not installed for user " + userId); 16567 } 16568 } 16569 } 16570 16571 /** 16572 * Examine all apps present on given mounted volume, and destroy apps that 16573 * aren't expected, either due to uninstallation or reinstallation on 16574 * another volume. 16575 */ 16576 private void reconcileApps(String volumeUuid) { 16577 final File[] files = FileUtils 16578 .listFilesOrEmpty(Environment.getDataAppDirectory(volumeUuid)); 16579 for (File file : files) { 16580 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 16581 && !PackageInstallerService.isStageName(file.getName()); 16582 if (!isPackage) { 16583 // Ignore entries which are not packages 16584 continue; 16585 } 16586 16587 try { 16588 final PackageLite pkg = PackageParser.parsePackageLite(file, 16589 PackageParser.PARSE_MUST_BE_APK); 16590 assertPackageKnown(volumeUuid, pkg.packageName); 16591 16592 } catch (PackageParserException | PackageManagerException e) { 16593 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 16594 synchronized (mInstallLock) { 16595 removeCodePathLI(file); 16596 } 16597 } 16598 } 16599 } 16600 16601 /** 16602 * Reconcile all app data for the given user. 16603 * <p> 16604 * Verifies that directories exist and that ownership and labeling is 16605 * correct for all installed apps on all mounted volumes. 16606 */ 16607 void reconcileAppsData(int userId, @StorageFlags int flags) { 16608 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16609 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 16610 final String volumeUuid = vol.getFsUuid(); 16611 reconcileAppsData(volumeUuid, userId, flags); 16612 } 16613 } 16614 16615 /** 16616 * Reconcile all app data on given mounted volume. 16617 * <p> 16618 * Destroys app data that isn't expected, either due to uninstallation or 16619 * reinstallation on another volume. 16620 * <p> 16621 * Verifies that directories exist and that ownership and labeling is 16622 * correct for all installed apps. 16623 */ 16624 private void reconcileAppsData(String volumeUuid, int userId, @StorageFlags int flags) { 16625 Slog.v(TAG, "reconcileAppsData for " + volumeUuid + " u" + userId + " 0x" 16626 + Integer.toHexString(flags)); 16627 16628 final File ceDir = Environment.getDataUserCredentialEncryptedDirectory(volumeUuid, userId); 16629 final File deDir = Environment.getDataUserDeviceEncryptedDirectory(volumeUuid, userId); 16630 16631 boolean restoreconNeeded = false; 16632 16633 // First look for stale data that doesn't belong, and check if things 16634 // have changed since we did our last restorecon 16635 if ((flags & Installer.FLAG_CE_STORAGE) != 0) { 16636 if (!isUserKeyUnlocked(userId)) { 16637 throw new RuntimeException( 16638 "Yikes, someone asked us to reconcile CE storage while " + userId 16639 + " was still locked; this would have caused massive data loss!"); 16640 } 16641 16642 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(ceDir); 16643 16644 final File[] files = FileUtils.listFilesOrEmpty(ceDir); 16645 for (File file : files) { 16646 final String packageName = file.getName(); 16647 try { 16648 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 16649 } catch (PackageManagerException e) { 16650 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 16651 synchronized (mInstallLock) { 16652 destroyAppDataLI(volumeUuid, packageName, userId, 16653 Installer.FLAG_CE_STORAGE); 16654 } 16655 } 16656 } 16657 } 16658 if ((flags & Installer.FLAG_DE_STORAGE) != 0) { 16659 restoreconNeeded |= SELinuxMMAC.isRestoreconNeeded(deDir); 16660 16661 final File[] files = FileUtils.listFilesOrEmpty(deDir); 16662 for (File file : files) { 16663 final String packageName = file.getName(); 16664 try { 16665 assertPackageKnownAndInstalled(volumeUuid, packageName, userId); 16666 } catch (PackageManagerException e) { 16667 logCriticalInfo(Log.WARN, "Destroying " + file + " due to: " + e); 16668 synchronized (mInstallLock) { 16669 destroyAppDataLI(volumeUuid, packageName, userId, 16670 Installer.FLAG_DE_STORAGE); 16671 } 16672 } 16673 } 16674 } 16675 16676 // Ensure that data directories are ready to roll for all packages 16677 // installed for this volume and user 16678 final List<PackageSetting> packages; 16679 synchronized (mPackages) { 16680 packages = mSettings.getVolumePackagesLPr(volumeUuid); 16681 } 16682 int preparedCount = 0; 16683 for (PackageSetting ps : packages) { 16684 final String packageName = ps.name; 16685 if (ps.pkg == null) { 16686 Slog.w(TAG, "Odd, missing scanned package " + packageName); 16687 // TODO: might be due to legacy ASEC apps; we should circle back 16688 // and reconcile again once they're scanned 16689 continue; 16690 } 16691 16692 if (ps.getInstalled(userId)) { 16693 prepareAppData(volumeUuid, userId, flags, ps.pkg, restoreconNeeded); 16694 preparedCount++; 16695 } 16696 } 16697 16698 if (restoreconNeeded) { 16699 if ((flags & Installer.FLAG_CE_STORAGE) != 0) { 16700 SELinuxMMAC.setRestoreconDone(ceDir); 16701 } 16702 if ((flags & Installer.FLAG_DE_STORAGE) != 0) { 16703 SELinuxMMAC.setRestoreconDone(deDir); 16704 } 16705 } 16706 16707 Slog.v(TAG, "reconcileAppsData finished " + preparedCount 16708 + " packages; restoreconNeeded was " + restoreconNeeded); 16709 } 16710 16711 /** 16712 * Prepare app data for the given app just after it was installed or 16713 * upgraded. This method carefully only touches users that it's installed 16714 * for, and it forces a restorecon to handle any seinfo changes. 16715 * <p> 16716 * Verifies that directories exist and that ownership and labeling is 16717 * correct for all installed apps. If there is an ownership mismatch, it 16718 * will try recovering system apps by wiping data; third-party app data is 16719 * left intact. 16720 */ 16721 private void prepareAppDataAfterInstall(PackageParser.Package pkg) { 16722 final PackageSetting ps; 16723 synchronized (mPackages) { 16724 ps = mSettings.mPackages.get(pkg.packageName); 16725 } 16726 16727 final UserManager um = mContext.getSystemService(UserManager.class); 16728 for (UserInfo user : um.getUsers()) { 16729 final int flags; 16730 if (um.isUserUnlocked(user.id)) { 16731 flags = Installer.FLAG_DE_STORAGE | Installer.FLAG_CE_STORAGE; 16732 } else if (um.isUserRunning(user.id)) { 16733 flags = Installer.FLAG_DE_STORAGE; 16734 } else { 16735 continue; 16736 } 16737 16738 if (ps.getInstalled(user.id)) { 16739 // Whenever an app changes, force a restorecon of its data 16740 // TODO: when user data is locked, mark that we're still dirty 16741 prepareAppData(pkg.volumeUuid, user.id, flags, pkg, true); 16742 } 16743 } 16744 } 16745 16746 /** 16747 * Prepare app data for the given app. 16748 * <p> 16749 * Verifies that directories exist and that ownership and labeling is 16750 * correct for all installed apps. If there is an ownership mismatch, this 16751 * will try recovering system apps by wiping data; third-party app data is 16752 * left intact. 16753 */ 16754 private void prepareAppData(String volumeUuid, int userId, @StorageFlags int flags, 16755 PackageParser.Package pkg, boolean restoreconNeeded) { 16756 if (DEBUG_APP_DATA) { 16757 Slog.v(TAG, "prepareAppData for " + pkg.packageName + " u" + userId + " 0x" 16758 + Integer.toHexString(flags) + (restoreconNeeded ? " restoreconNeeded" : "")); 16759 } 16760 16761 final String packageName = pkg.packageName; 16762 final ApplicationInfo app = pkg.applicationInfo; 16763 final int appId = UserHandle.getAppId(app.uid); 16764 16765 Preconditions.checkNotNull(app.seinfo); 16766 16767 synchronized (mInstallLock) { 16768 try { 16769 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 16770 appId, app.seinfo); 16771 } catch (InstallerException e) { 16772 if (app.isSystemApp()) { 16773 logCriticalInfo(Log.ERROR, "Failed to create app data for " + packageName 16774 + ", but trying to recover: " + e); 16775 destroyAppDataLI(volumeUuid, packageName, userId, flags); 16776 try { 16777 mInstaller.createAppData(volumeUuid, packageName, userId, flags, 16778 appId, app.seinfo); 16779 logCriticalInfo(Log.DEBUG, "Recovery succeeded!"); 16780 } catch (InstallerException e2) { 16781 logCriticalInfo(Log.DEBUG, "Recovery failed!"); 16782 } 16783 } else { 16784 Slog.e(TAG, "Failed to create app data for " + packageName + ": " + e); 16785 } 16786 } 16787 16788 if (restoreconNeeded) { 16789 restoreconAppDataLI(volumeUuid, packageName, userId, flags, appId, app.seinfo); 16790 } 16791 16792 if ((flags & Installer.FLAG_CE_STORAGE) != 0) { 16793 // Create a native library symlink only if we have native libraries 16794 // and if the native libraries are 32 bit libraries. We do not provide 16795 // this symlink for 64 bit libraries. 16796 if (app.primaryCpuAbi != null && !VMRuntime.is64BitAbi(app.primaryCpuAbi)) { 16797 final String nativeLibPath = app.nativeLibraryDir; 16798 try { 16799 mInstaller.linkNativeLibraryDirectory(volumeUuid, packageName, 16800 nativeLibPath, userId); 16801 } catch (InstallerException e) { 16802 Slog.e(TAG, "Failed to link native for " + packageName + ": " + e); 16803 } 16804 } 16805 } 16806 } 16807 } 16808 16809 private void unfreezePackage(String packageName) { 16810 synchronized (mPackages) { 16811 final PackageSetting ps = mSettings.mPackages.get(packageName); 16812 if (ps != null) { 16813 ps.frozen = false; 16814 } 16815 } 16816 } 16817 16818 @Override 16819 public int movePackage(final String packageName, final String volumeUuid) { 16820 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 16821 16822 final int moveId = mNextMoveId.getAndIncrement(); 16823 mHandler.post(new Runnable() { 16824 @Override 16825 public void run() { 16826 try { 16827 movePackageInternal(packageName, volumeUuid, moveId); 16828 } catch (PackageManagerException e) { 16829 Slog.w(TAG, "Failed to move " + packageName, e); 16830 mMoveCallbacks.notifyStatusChanged(moveId, 16831 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 16832 } 16833 } 16834 }); 16835 return moveId; 16836 } 16837 16838 private void movePackageInternal(final String packageName, final String volumeUuid, 16839 final int moveId) throws PackageManagerException { 16840 final UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 16841 final StorageManager storage = mContext.getSystemService(StorageManager.class); 16842 final PackageManager pm = mContext.getPackageManager(); 16843 16844 final boolean currentAsec; 16845 final String currentVolumeUuid; 16846 final File codeFile; 16847 final String installerPackageName; 16848 final String packageAbiOverride; 16849 final int appId; 16850 final String seinfo; 16851 final String label; 16852 16853 // reader 16854 synchronized (mPackages) { 16855 final PackageParser.Package pkg = mPackages.get(packageName); 16856 final PackageSetting ps = mSettings.mPackages.get(packageName); 16857 if (pkg == null || ps == null) { 16858 throw new PackageManagerException(MOVE_FAILED_DOESNT_EXIST, "Missing package"); 16859 } 16860 16861 if (pkg.applicationInfo.isSystemApp()) { 16862 throw new PackageManagerException(MOVE_FAILED_SYSTEM_PACKAGE, 16863 "Cannot move system application"); 16864 } 16865 16866 if (pkg.applicationInfo.isExternalAsec()) { 16867 currentAsec = true; 16868 currentVolumeUuid = StorageManager.UUID_PRIMARY_PHYSICAL; 16869 } else if (pkg.applicationInfo.isForwardLocked()) { 16870 currentAsec = true; 16871 currentVolumeUuid = "forward_locked"; 16872 } else { 16873 currentAsec = false; 16874 currentVolumeUuid = ps.volumeUuid; 16875 16876 final File probe = new File(pkg.codePath); 16877 final File probeOat = new File(probe, "oat"); 16878 if (!probe.isDirectory() || !probeOat.isDirectory()) { 16879 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16880 "Move only supported for modern cluster style installs"); 16881 } 16882 } 16883 16884 if (Objects.equals(currentVolumeUuid, volumeUuid)) { 16885 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16886 "Package already moved to " + volumeUuid); 16887 } 16888 16889 if (ps.frozen) { 16890 throw new PackageManagerException(MOVE_FAILED_OPERATION_PENDING, 16891 "Failed to move already frozen package"); 16892 } 16893 ps.frozen = true; 16894 16895 codeFile = new File(pkg.codePath); 16896 installerPackageName = ps.installerPackageName; 16897 packageAbiOverride = ps.cpuAbiOverrideString; 16898 appId = UserHandle.getAppId(pkg.applicationInfo.uid); 16899 seinfo = pkg.applicationInfo.seinfo; 16900 label = String.valueOf(pm.getApplicationLabel(pkg.applicationInfo)); 16901 } 16902 16903 // Now that we're guarded by frozen state, kill app during move 16904 final long token = Binder.clearCallingIdentity(); 16905 try { 16906 killApplication(packageName, appId, "move pkg"); 16907 } finally { 16908 Binder.restoreCallingIdentity(token); 16909 } 16910 16911 final Bundle extras = new Bundle(); 16912 extras.putString(Intent.EXTRA_PACKAGE_NAME, packageName); 16913 extras.putString(Intent.EXTRA_TITLE, label); 16914 mMoveCallbacks.notifyCreated(moveId, extras); 16915 16916 int installFlags; 16917 final boolean moveCompleteApp; 16918 final File measurePath; 16919 16920 if (Objects.equals(StorageManager.UUID_PRIVATE_INTERNAL, volumeUuid)) { 16921 installFlags = INSTALL_INTERNAL; 16922 moveCompleteApp = !currentAsec; 16923 measurePath = Environment.getDataAppDirectory(volumeUuid); 16924 } else if (Objects.equals(StorageManager.UUID_PRIMARY_PHYSICAL, volumeUuid)) { 16925 installFlags = INSTALL_EXTERNAL; 16926 moveCompleteApp = false; 16927 measurePath = storage.getPrimaryPhysicalVolume().getPath(); 16928 } else { 16929 final VolumeInfo volume = storage.findVolumeByUuid(volumeUuid); 16930 if (volume == null || volume.getType() != VolumeInfo.TYPE_PRIVATE 16931 || !volume.isMountedWritable()) { 16932 unfreezePackage(packageName); 16933 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16934 "Move location not mounted private volume"); 16935 } 16936 16937 Preconditions.checkState(!currentAsec); 16938 16939 installFlags = INSTALL_INTERNAL; 16940 moveCompleteApp = true; 16941 measurePath = Environment.getDataAppDirectory(volumeUuid); 16942 } 16943 16944 final PackageStats stats = new PackageStats(null, -1); 16945 synchronized (mInstaller) { 16946 if (!getPackageSizeInfoLI(packageName, -1, stats)) { 16947 unfreezePackage(packageName); 16948 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16949 "Failed to measure package size"); 16950 } 16951 } 16952 16953 if (DEBUG_INSTALL) Slog.d(TAG, "Measured code size " + stats.codeSize + ", data size " 16954 + stats.dataSize); 16955 16956 final long startFreeBytes = measurePath.getFreeSpace(); 16957 final long sizeBytes; 16958 if (moveCompleteApp) { 16959 sizeBytes = stats.codeSize + stats.dataSize; 16960 } else { 16961 sizeBytes = stats.codeSize; 16962 } 16963 16964 if (sizeBytes > storage.getStorageBytesUntilLow(measurePath)) { 16965 unfreezePackage(packageName); 16966 throw new PackageManagerException(MOVE_FAILED_INTERNAL_ERROR, 16967 "Not enough free space to move"); 16968 } 16969 16970 mMoveCallbacks.notifyStatusChanged(moveId, 10); 16971 16972 final CountDownLatch installedLatch = new CountDownLatch(1); 16973 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 16974 @Override 16975 public void onUserActionRequired(Intent intent) throws RemoteException { 16976 throw new IllegalStateException(); 16977 } 16978 16979 @Override 16980 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 16981 Bundle extras) throws RemoteException { 16982 if (DEBUG_INSTALL) Slog.d(TAG, "Install result for move: " 16983 + PackageManager.installStatusToString(returnCode, msg)); 16984 16985 installedLatch.countDown(); 16986 16987 // Regardless of success or failure of the move operation, 16988 // always unfreeze the package 16989 unfreezePackage(packageName); 16990 16991 final int status = PackageManager.installStatusToPublicStatus(returnCode); 16992 switch (status) { 16993 case PackageInstaller.STATUS_SUCCESS: 16994 mMoveCallbacks.notifyStatusChanged(moveId, 16995 PackageManager.MOVE_SUCCEEDED); 16996 break; 16997 case PackageInstaller.STATUS_FAILURE_STORAGE: 16998 mMoveCallbacks.notifyStatusChanged(moveId, 16999 PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 17000 break; 17001 default: 17002 mMoveCallbacks.notifyStatusChanged(moveId, 17003 PackageManager.MOVE_FAILED_INTERNAL_ERROR); 17004 break; 17005 } 17006 } 17007 }; 17008 17009 final MoveInfo move; 17010 if (moveCompleteApp) { 17011 // Kick off a thread to report progress estimates 17012 new Thread() { 17013 @Override 17014 public void run() { 17015 while (true) { 17016 try { 17017 if (installedLatch.await(1, TimeUnit.SECONDS)) { 17018 break; 17019 } 17020 } catch (InterruptedException ignored) { 17021 } 17022 17023 final long deltaFreeBytes = startFreeBytes - measurePath.getFreeSpace(); 17024 final int progress = 10 + (int) MathUtils.constrain( 17025 ((deltaFreeBytes * 80) / sizeBytes), 0, 80); 17026 mMoveCallbacks.notifyStatusChanged(moveId, progress); 17027 } 17028 } 17029 }.start(); 17030 17031 final String dataAppName = codeFile.getName(); 17032 move = new MoveInfo(moveId, currentVolumeUuid, volumeUuid, packageName, 17033 dataAppName, appId, seinfo); 17034 } else { 17035 move = null; 17036 } 17037 17038 installFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 17039 17040 final Message msg = mHandler.obtainMessage(INIT_COPY); 17041 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 17042 final InstallParams params = new InstallParams(origin, move, installObserver, installFlags, 17043 installerPackageName, volumeUuid, null, user, packageAbiOverride, null); 17044 params.setTraceMethod("movePackage").setTraceCookie(System.identityHashCode(params)); 17045 msg.obj = params; 17046 17047 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "movePackage", 17048 System.identityHashCode(msg.obj)); 17049 Trace.asyncTraceBegin(TRACE_TAG_PACKAGE_MANAGER, "queueInstall", 17050 System.identityHashCode(msg.obj)); 17051 17052 mHandler.sendMessage(msg); 17053 } 17054 17055 @Override 17056 public int movePrimaryStorage(String volumeUuid) throws RemoteException { 17057 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 17058 17059 final int realMoveId = mNextMoveId.getAndIncrement(); 17060 final Bundle extras = new Bundle(); 17061 extras.putString(VolumeRecord.EXTRA_FS_UUID, volumeUuid); 17062 mMoveCallbacks.notifyCreated(realMoveId, extras); 17063 17064 final IPackageMoveObserver callback = new IPackageMoveObserver.Stub() { 17065 @Override 17066 public void onCreated(int moveId, Bundle extras) { 17067 // Ignored 17068 } 17069 17070 @Override 17071 public void onStatusChanged(int moveId, int status, long estMillis) { 17072 mMoveCallbacks.notifyStatusChanged(realMoveId, status, estMillis); 17073 } 17074 }; 17075 17076 final StorageManager storage = mContext.getSystemService(StorageManager.class); 17077 storage.setPrimaryStorageUuid(volumeUuid, callback); 17078 return realMoveId; 17079 } 17080 17081 @Override 17082 public int getMoveStatus(int moveId) { 17083 mContext.enforceCallingOrSelfPermission( 17084 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 17085 return mMoveCallbacks.mLastStatus.get(moveId); 17086 } 17087 17088 @Override 17089 public void registerMoveCallback(IPackageMoveObserver callback) { 17090 mContext.enforceCallingOrSelfPermission( 17091 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 17092 mMoveCallbacks.register(callback); 17093 } 17094 17095 @Override 17096 public void unregisterMoveCallback(IPackageMoveObserver callback) { 17097 mContext.enforceCallingOrSelfPermission( 17098 android.Manifest.permission.MOUNT_UNMOUNT_FILESYSTEMS, null); 17099 mMoveCallbacks.unregister(callback); 17100 } 17101 17102 @Override 17103 public boolean setInstallLocation(int loc) { 17104 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 17105 null); 17106 if (getInstallLocation() == loc) { 17107 return true; 17108 } 17109 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 17110 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 17111 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 17112 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 17113 return true; 17114 } 17115 return false; 17116 } 17117 17118 @Override 17119 public int getInstallLocation() { 17120 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 17121 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 17122 PackageHelper.APP_INSTALL_AUTO); 17123 } 17124 17125 /** Called by UserManagerService */ 17126 void cleanUpUser(UserManagerService userManager, int userHandle) { 17127 synchronized (mPackages) { 17128 mDirtyUsers.remove(userHandle); 17129 mUserNeedsBadging.delete(userHandle); 17130 mSettings.removeUserLPw(userHandle); 17131 mPendingBroadcasts.remove(userHandle); 17132 mEphemeralApplicationRegistry.onUserRemovedLPw(userHandle); 17133 } 17134 synchronized (mInstallLock) { 17135 final StorageManager storage = mContext.getSystemService(StorageManager.class); 17136 for (VolumeInfo vol : storage.getWritablePrivateVolumes()) { 17137 final String volumeUuid = vol.getFsUuid(); 17138 if (DEBUG_INSTALL) Slog.d(TAG, "Removing user data on volume " + volumeUuid); 17139 try { 17140 mInstaller.removeUserDataDirs(volumeUuid, userHandle); 17141 } catch (InstallerException e) { 17142 Slog.w(TAG, "Failed to remove user data", e); 17143 } 17144 } 17145 synchronized (mPackages) { 17146 removeUnusedPackagesLILPw(userManager, userHandle); 17147 } 17148 } 17149 } 17150 17151 /** 17152 * We're removing userHandle and would like to remove any downloaded packages 17153 * that are no longer in use by any other user. 17154 * @param userHandle the user being removed 17155 */ 17156 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 17157 final boolean DEBUG_CLEAN_APKS = false; 17158 int [] users = userManager.getUserIds(); 17159 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 17160 while (psit.hasNext()) { 17161 PackageSetting ps = psit.next(); 17162 if (ps.pkg == null) { 17163 continue; 17164 } 17165 final String packageName = ps.pkg.packageName; 17166 // Skip over if system app 17167 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 17168 continue; 17169 } 17170 if (DEBUG_CLEAN_APKS) { 17171 Slog.i(TAG, "Checking package " + packageName); 17172 } 17173 boolean keep = shouldKeepUninstalledPackageLPr(packageName); 17174 if (keep) { 17175 if (DEBUG_CLEAN_APKS) { 17176 Slog.i(TAG, " Keeping package " + packageName + " - requested by DO"); 17177 } 17178 } else { 17179 for (int i = 0; i < users.length; i++) { 17180 if (users[i] != userHandle && ps.getInstalled(users[i])) { 17181 keep = true; 17182 if (DEBUG_CLEAN_APKS) { 17183 Slog.i(TAG, " Keeping package " + packageName + " for user " 17184 + users[i]); 17185 } 17186 break; 17187 } 17188 } 17189 } 17190 if (!keep) { 17191 if (DEBUG_CLEAN_APKS) { 17192 Slog.i(TAG, " Removing package " + packageName); 17193 } 17194 mHandler.post(new Runnable() { 17195 public void run() { 17196 deletePackageX(packageName, userHandle, 0); 17197 } //end run 17198 }); 17199 } 17200 } 17201 } 17202 17203 /** Called by UserManagerService */ 17204 void createNewUser(int userHandle) { 17205 synchronized (mInstallLock) { 17206 try { 17207 mInstaller.createUserConfig(userHandle); 17208 } catch (InstallerException e) { 17209 Slog.w(TAG, "Failed to create user config", e); 17210 } 17211 mSettings.createNewUserLI(this, mInstaller, userHandle); 17212 } 17213 synchronized (mPackages) { 17214 applyFactoryDefaultBrowserLPw(userHandle); 17215 primeDomainVerificationsLPw(userHandle); 17216 } 17217 } 17218 17219 void newUserCreated(final int userHandle) { 17220 mDefaultPermissionPolicy.grantDefaultPermissions(userHandle); 17221 // If permission review for legacy apps is required, we represent 17222 // dagerous permissions for such apps as always granted runtime 17223 // permissions to keep per user flag state whether review is needed. 17224 // Hence, if a new user is added we have to propagate dangerous 17225 // permission grants for these legacy apps. 17226 if (Build.PERMISSIONS_REVIEW_REQUIRED) { 17227 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 17228 | UPDATE_PERMISSIONS_REPLACE_ALL); 17229 } 17230 } 17231 17232 @Override 17233 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 17234 mContext.enforceCallingOrSelfPermission( 17235 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 17236 "Only package verification agents can read the verifier device identity"); 17237 17238 synchronized (mPackages) { 17239 return mSettings.getVerifierDeviceIdentityLPw(); 17240 } 17241 } 17242 17243 @Override 17244 public void setPermissionEnforced(String permission, boolean enforced) { 17245 // TODO: Now that we no longer change GID for storage, this should to away. 17246 mContext.enforceCallingOrSelfPermission(Manifest.permission.GRANT_RUNTIME_PERMISSIONS, 17247 "setPermissionEnforced"); 17248 if (READ_EXTERNAL_STORAGE.equals(permission)) { 17249 synchronized (mPackages) { 17250 if (mSettings.mReadExternalStorageEnforced == null 17251 || mSettings.mReadExternalStorageEnforced != enforced) { 17252 mSettings.mReadExternalStorageEnforced = enforced; 17253 mSettings.writeLPr(); 17254 } 17255 } 17256 // kill any non-foreground processes so we restart them and 17257 // grant/revoke the GID. 17258 final IActivityManager am = ActivityManagerNative.getDefault(); 17259 if (am != null) { 17260 final long token = Binder.clearCallingIdentity(); 17261 try { 17262 am.killProcessesBelowForeground("setPermissionEnforcement"); 17263 } catch (RemoteException e) { 17264 } finally { 17265 Binder.restoreCallingIdentity(token); 17266 } 17267 } 17268 } else { 17269 throw new IllegalArgumentException("No selective enforcement for " + permission); 17270 } 17271 } 17272 17273 @Override 17274 @Deprecated 17275 public boolean isPermissionEnforced(String permission) { 17276 return true; 17277 } 17278 17279 @Override 17280 public boolean isStorageLow() { 17281 final long token = Binder.clearCallingIdentity(); 17282 try { 17283 final DeviceStorageMonitorInternal 17284 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 17285 if (dsm != null) { 17286 return dsm.isMemoryLow(); 17287 } else { 17288 return false; 17289 } 17290 } finally { 17291 Binder.restoreCallingIdentity(token); 17292 } 17293 } 17294 17295 @Override 17296 public IPackageInstaller getPackageInstaller() { 17297 return mInstallerService; 17298 } 17299 17300 private boolean userNeedsBadging(int userId) { 17301 int index = mUserNeedsBadging.indexOfKey(userId); 17302 if (index < 0) { 17303 final UserInfo userInfo; 17304 final long token = Binder.clearCallingIdentity(); 17305 try { 17306 userInfo = sUserManager.getUserInfo(userId); 17307 } finally { 17308 Binder.restoreCallingIdentity(token); 17309 } 17310 final boolean b; 17311 if (userInfo != null && userInfo.isManagedProfile()) { 17312 b = true; 17313 } else { 17314 b = false; 17315 } 17316 mUserNeedsBadging.put(userId, b); 17317 return b; 17318 } 17319 return mUserNeedsBadging.valueAt(index); 17320 } 17321 17322 @Override 17323 public KeySet getKeySetByAlias(String packageName, String alias) { 17324 if (packageName == null || alias == null) { 17325 return null; 17326 } 17327 synchronized(mPackages) { 17328 final PackageParser.Package pkg = mPackages.get(packageName); 17329 if (pkg == null) { 17330 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 17331 throw new IllegalArgumentException("Unknown package: " + packageName); 17332 } 17333 KeySetManagerService ksms = mSettings.mKeySetManagerService; 17334 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 17335 } 17336 } 17337 17338 @Override 17339 public KeySet getSigningKeySet(String packageName) { 17340 if (packageName == null) { 17341 return null; 17342 } 17343 synchronized(mPackages) { 17344 final PackageParser.Package pkg = mPackages.get(packageName); 17345 if (pkg == null) { 17346 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 17347 throw new IllegalArgumentException("Unknown package: " + packageName); 17348 } 17349 if (pkg.applicationInfo.uid != Binder.getCallingUid() 17350 && Process.SYSTEM_UID != Binder.getCallingUid()) { 17351 throw new SecurityException("May not access signing KeySet of other apps."); 17352 } 17353 KeySetManagerService ksms = mSettings.mKeySetManagerService; 17354 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 17355 } 17356 } 17357 17358 @Override 17359 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 17360 if (packageName == null || ks == null) { 17361 return false; 17362 } 17363 synchronized(mPackages) { 17364 final PackageParser.Package pkg = mPackages.get(packageName); 17365 if (pkg == null) { 17366 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 17367 throw new IllegalArgumentException("Unknown package: " + packageName); 17368 } 17369 IBinder ksh = ks.getToken(); 17370 if (ksh instanceof KeySetHandle) { 17371 KeySetManagerService ksms = mSettings.mKeySetManagerService; 17372 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 17373 } 17374 return false; 17375 } 17376 } 17377 17378 @Override 17379 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 17380 if (packageName == null || ks == null) { 17381 return false; 17382 } 17383 synchronized(mPackages) { 17384 final PackageParser.Package pkg = mPackages.get(packageName); 17385 if (pkg == null) { 17386 Slog.w(TAG, "KeySet requested for unknown package: " + packageName); 17387 throw new IllegalArgumentException("Unknown package: " + packageName); 17388 } 17389 IBinder ksh = ks.getToken(); 17390 if (ksh instanceof KeySetHandle) { 17391 KeySetManagerService ksms = mSettings.mKeySetManagerService; 17392 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 17393 } 17394 return false; 17395 } 17396 } 17397 17398 private void deletePackageIfUnusedLPr(final String packageName) { 17399 PackageSetting ps = mSettings.mPackages.get(packageName); 17400 if (ps == null) { 17401 return; 17402 } 17403 if (!ps.isAnyInstalled(sUserManager.getUserIds())) { 17404 // TODO Implement atomic delete if package is unused 17405 // It is currently possible that the package will be deleted even if it is installed 17406 // after this method returns. 17407 mHandler.post(new Runnable() { 17408 public void run() { 17409 deletePackageX(packageName, 0, PackageManager.DELETE_ALL_USERS); 17410 } 17411 }); 17412 } 17413 } 17414 17415 /** 17416 * Check and throw if the given before/after packages would be considered a 17417 * downgrade. 17418 */ 17419 private static void checkDowngrade(PackageParser.Package before, PackageInfoLite after) 17420 throws PackageManagerException { 17421 if (after.versionCode < before.mVersionCode) { 17422 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 17423 "Update version code " + after.versionCode + " is older than current " 17424 + before.mVersionCode); 17425 } else if (after.versionCode == before.mVersionCode) { 17426 if (after.baseRevisionCode < before.baseRevisionCode) { 17427 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 17428 "Update base revision code " + after.baseRevisionCode 17429 + " is older than current " + before.baseRevisionCode); 17430 } 17431 17432 if (!ArrayUtils.isEmpty(after.splitNames)) { 17433 for (int i = 0; i < after.splitNames.length; i++) { 17434 final String splitName = after.splitNames[i]; 17435 final int j = ArrayUtils.indexOf(before.splitNames, splitName); 17436 if (j != -1) { 17437 if (after.splitRevisionCodes[i] < before.splitRevisionCodes[j]) { 17438 throw new PackageManagerException(INSTALL_FAILED_VERSION_DOWNGRADE, 17439 "Update split " + splitName + " revision code " 17440 + after.splitRevisionCodes[i] + " is older than current " 17441 + before.splitRevisionCodes[j]); 17442 } 17443 } 17444 } 17445 } 17446 } 17447 } 17448 17449 private static class MoveCallbacks extends Handler { 17450 private static final int MSG_CREATED = 1; 17451 private static final int MSG_STATUS_CHANGED = 2; 17452 17453 private final RemoteCallbackList<IPackageMoveObserver> 17454 mCallbacks = new RemoteCallbackList<>(); 17455 17456 private final SparseIntArray mLastStatus = new SparseIntArray(); 17457 17458 public MoveCallbacks(Looper looper) { 17459 super(looper); 17460 } 17461 17462 public void register(IPackageMoveObserver callback) { 17463 mCallbacks.register(callback); 17464 } 17465 17466 public void unregister(IPackageMoveObserver callback) { 17467 mCallbacks.unregister(callback); 17468 } 17469 17470 @Override 17471 public void handleMessage(Message msg) { 17472 final SomeArgs args = (SomeArgs) msg.obj; 17473 final int n = mCallbacks.beginBroadcast(); 17474 for (int i = 0; i < n; i++) { 17475 final IPackageMoveObserver callback = mCallbacks.getBroadcastItem(i); 17476 try { 17477 invokeCallback(callback, msg.what, args); 17478 } catch (RemoteException ignored) { 17479 } 17480 } 17481 mCallbacks.finishBroadcast(); 17482 args.recycle(); 17483 } 17484 17485 private void invokeCallback(IPackageMoveObserver callback, int what, SomeArgs args) 17486 throws RemoteException { 17487 switch (what) { 17488 case MSG_CREATED: { 17489 callback.onCreated(args.argi1, (Bundle) args.arg2); 17490 break; 17491 } 17492 case MSG_STATUS_CHANGED: { 17493 callback.onStatusChanged(args.argi1, args.argi2, (long) args.arg3); 17494 break; 17495 } 17496 } 17497 } 17498 17499 private void notifyCreated(int moveId, Bundle extras) { 17500 Slog.v(TAG, "Move " + moveId + " created " + extras.toString()); 17501 17502 final SomeArgs args = SomeArgs.obtain(); 17503 args.argi1 = moveId; 17504 args.arg2 = extras; 17505 obtainMessage(MSG_CREATED, args).sendToTarget(); 17506 } 17507 17508 private void notifyStatusChanged(int moveId, int status) { 17509 notifyStatusChanged(moveId, status, -1); 17510 } 17511 17512 private void notifyStatusChanged(int moveId, int status, long estMillis) { 17513 Slog.v(TAG, "Move " + moveId + " status " + status); 17514 17515 final SomeArgs args = SomeArgs.obtain(); 17516 args.argi1 = moveId; 17517 args.argi2 = status; 17518 args.arg3 = estMillis; 17519 obtainMessage(MSG_STATUS_CHANGED, args).sendToTarget(); 17520 17521 synchronized (mLastStatus) { 17522 mLastStatus.put(moveId, status); 17523 } 17524 } 17525 } 17526 17527 private final static class OnPermissionChangeListeners extends Handler { 17528 private static final int MSG_ON_PERMISSIONS_CHANGED = 1; 17529 17530 private final RemoteCallbackList<IOnPermissionsChangeListener> mPermissionListeners = 17531 new RemoteCallbackList<>(); 17532 17533 public OnPermissionChangeListeners(Looper looper) { 17534 super(looper); 17535 } 17536 17537 @Override 17538 public void handleMessage(Message msg) { 17539 switch (msg.what) { 17540 case MSG_ON_PERMISSIONS_CHANGED: { 17541 final int uid = msg.arg1; 17542 handleOnPermissionsChanged(uid); 17543 } break; 17544 } 17545 } 17546 17547 public void addListenerLocked(IOnPermissionsChangeListener listener) { 17548 mPermissionListeners.register(listener); 17549 17550 } 17551 17552 public void removeListenerLocked(IOnPermissionsChangeListener listener) { 17553 mPermissionListeners.unregister(listener); 17554 } 17555 17556 public void onPermissionsChanged(int uid) { 17557 if (mPermissionListeners.getRegisteredCallbackCount() > 0) { 17558 obtainMessage(MSG_ON_PERMISSIONS_CHANGED, uid, 0).sendToTarget(); 17559 } 17560 } 17561 17562 private void handleOnPermissionsChanged(int uid) { 17563 final int count = mPermissionListeners.beginBroadcast(); 17564 try { 17565 for (int i = 0; i < count; i++) { 17566 IOnPermissionsChangeListener callback = mPermissionListeners 17567 .getBroadcastItem(i); 17568 try { 17569 callback.onPermissionsChanged(uid); 17570 } catch (RemoteException e) { 17571 Log.e(TAG, "Permission listener is dead", e); 17572 } 17573 } 17574 } finally { 17575 mPermissionListeners.finishBroadcast(); 17576 } 17577 } 17578 } 17579 17580 private class PackageManagerInternalImpl extends PackageManagerInternal { 17581 @Override 17582 public void setLocationPackagesProvider(PackagesProvider provider) { 17583 synchronized (mPackages) { 17584 mDefaultPermissionPolicy.setLocationPackagesProviderLPw(provider); 17585 } 17586 } 17587 17588 @Override 17589 public void setImePackagesProvider(PackagesProvider provider) { 17590 synchronized (mPackages) { 17591 mDefaultPermissionPolicy.setImePackagesProviderLPr(provider); 17592 } 17593 } 17594 17595 @Override 17596 public void setVoiceInteractionPackagesProvider(PackagesProvider provider) { 17597 synchronized (mPackages) { 17598 mDefaultPermissionPolicy.setVoiceInteractionPackagesProviderLPw(provider); 17599 } 17600 } 17601 17602 @Override 17603 public void setSmsAppPackagesProvider(PackagesProvider provider) { 17604 synchronized (mPackages) { 17605 mDefaultPermissionPolicy.setSmsAppPackagesProviderLPw(provider); 17606 } 17607 } 17608 17609 @Override 17610 public void setDialerAppPackagesProvider(PackagesProvider provider) { 17611 synchronized (mPackages) { 17612 mDefaultPermissionPolicy.setDialerAppPackagesProviderLPw(provider); 17613 } 17614 } 17615 17616 @Override 17617 public void setSimCallManagerPackagesProvider(PackagesProvider provider) { 17618 synchronized (mPackages) { 17619 mDefaultPermissionPolicy.setSimCallManagerPackagesProviderLPw(provider); 17620 } 17621 } 17622 17623 @Override 17624 public void setSyncAdapterPackagesprovider(SyncAdapterPackagesProvider provider) { 17625 synchronized (mPackages) { 17626 mDefaultPermissionPolicy.setSyncAdapterPackagesProviderLPw(provider); 17627 } 17628 } 17629 17630 @Override 17631 public void grantDefaultPermissionsToDefaultSmsApp(String packageName, int userId) { 17632 synchronized (mPackages) { 17633 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSmsAppLPr( 17634 packageName, userId); 17635 } 17636 } 17637 17638 @Override 17639 public void grantDefaultPermissionsToDefaultDialerApp(String packageName, int userId) { 17640 synchronized (mPackages) { 17641 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultDialerAppLPr( 17642 packageName, userId); 17643 } 17644 } 17645 17646 @Override 17647 public void grantDefaultPermissionsToDefaultSimCallManager(String packageName, int userId) { 17648 synchronized (mPackages) { 17649 mDefaultPermissionPolicy.grantDefaultPermissionsToDefaultSimCallManagerLPr( 17650 packageName, userId); 17651 } 17652 } 17653 17654 @Override 17655 public void setKeepUninstalledPackages(final List<String> packageList) { 17656 Preconditions.checkNotNull(packageList); 17657 List<String> removedFromList = null; 17658 synchronized (mPackages) { 17659 if (mKeepUninstalledPackages != null) { 17660 final int packagesCount = mKeepUninstalledPackages.size(); 17661 for (int i = 0; i < packagesCount; i++) { 17662 String oldPackage = mKeepUninstalledPackages.get(i); 17663 if (packageList != null && packageList.contains(oldPackage)) { 17664 continue; 17665 } 17666 if (removedFromList == null) { 17667 removedFromList = new ArrayList<>(); 17668 } 17669 removedFromList.add(oldPackage); 17670 } 17671 } 17672 mKeepUninstalledPackages = new ArrayList<>(packageList); 17673 if (removedFromList != null) { 17674 final int removedCount = removedFromList.size(); 17675 for (int i = 0; i < removedCount; i++) { 17676 deletePackageIfUnusedLPr(removedFromList.get(i)); 17677 } 17678 } 17679 } 17680 } 17681 17682 @Override 17683 public boolean isPermissionsReviewRequired(String packageName, int userId) { 17684 synchronized (mPackages) { 17685 // If we do not support permission review, done. 17686 if (!Build.PERMISSIONS_REVIEW_REQUIRED) { 17687 return false; 17688 } 17689 17690 PackageSetting packageSetting = mSettings.mPackages.get(packageName); 17691 if (packageSetting == null) { 17692 return false; 17693 } 17694 17695 // Permission review applies only to apps not supporting the new permission model. 17696 if (packageSetting.pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.M) { 17697 return false; 17698 } 17699 17700 // Legacy apps have the permission and get user consent on launch. 17701 PermissionsState permissionsState = packageSetting.getPermissionsState(); 17702 return permissionsState.isPermissionReviewRequired(userId); 17703 } 17704 } 17705 } 17706 17707 @Override 17708 public void grantDefaultPermissionsToEnabledCarrierApps(String[] packageNames, int userId) { 17709 enforceSystemOrPhoneCaller("grantPermissionsToEnabledCarrierApps"); 17710 synchronized (mPackages) { 17711 final long identity = Binder.clearCallingIdentity(); 17712 try { 17713 mDefaultPermissionPolicy.grantDefaultPermissionsToEnabledCarrierAppsLPr( 17714 packageNames, userId); 17715 } finally { 17716 Binder.restoreCallingIdentity(identity); 17717 } 17718 } 17719 } 17720 17721 private static void enforceSystemOrPhoneCaller(String tag) { 17722 int callingUid = Binder.getCallingUid(); 17723 if (callingUid != Process.PHONE_UID && callingUid != Process.SYSTEM_UID) { 17724 throw new SecurityException( 17725 "Cannot call " + tag + " from UID " + callingUid); 17726 } 17727 } 17728} 17729